/* 词小狐 · 界面样式（从零重写，方案 D：品牌紫 + 小狐橙，扁平、圆角、紧凑的 App 风格）。
   这是网站唯一的主样式表；不依赖任何旧样式。后台、登录页、教程静态页有各自的样式表。 */

/* ===== 1. 令牌 ===== */
:root{
 --br:#4b3bd6;--br-d:#3a2cb8;--br-dd:#2a1f94;--br-l:#6c5ce7;--br-bg:#f3f1ff;--br-ln:#ddd8fb;
 --or:#ff8a1f;--or-d:#f07400;--or-bg:#fff3e6;
 --tx:#16162f;--tx2:#52536e;--tx3:#8b8ca6;--ln:#e8e8f2;--bg:#f6f6fb;--card:#fff;
 --ok:#12b886;--ok-bg:#e6f8f1;--bad:#f04b5b;--bad-bg:#ffe9ec;--warn:#e08a00;--warn-bg:#fff4df;
 --r-s:10px;--r:14px;--r-l:18px;--r-xl:26px;
 --sh-s:0 1px 2px #1b16630d,0 2px 8px #1b16630a;--sh:0 10px 28px -12px #1b166340;--sh-l:0 28px 56px -28px #1b166380;
 --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
 --max:1180px;--gut:20px;
 --zone:var(--br);--zone-light:var(--br-bg);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);font:15px/1.7 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4,p,ul,ol{margin:0}h1,h2,h3,h4{line-height:1.3;letter-spacing:-.005em}
a{color:var(--br);text-decoration:none}
img,svg{max-width:100%}
button{font:inherit;color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--br-ln);outline-offset:2px;border-radius:8px}
::selection{background:var(--br-ln)}
main{max-width:var(--max);margin:0 auto;padding:18px var(--gut) 56px;min-height:60vh}

/* ===== 2. 按钮与表单 ===== */
button{cursor:pointer;border:1px solid var(--ln);background:#fff;border-radius:var(--r-s);padding:8px 16px;font-weight:600;font-size:14px;line-height:1.4;transition:.15s;color:var(--tx2)}
button:hover{border-color:var(--br-ln);color:var(--br)}
button:disabled{opacity:.55;cursor:not-allowed}
button.primary,.btn,.btn-primary{background:var(--br);color:#fff;border-color:var(--br)}
button.primary:hover,.btn:hover,.btn-primary:hover{background:var(--br-d);border-color:var(--br-d);color:#fff}
.btn-or{background:var(--or);border-color:var(--or);color:#fff}.btn-or:hover{background:var(--or-d);border-color:var(--or-d);color:#fff}
input,select,textarea{font:inherit;color:var(--tx);background:#fff;border:1px solid var(--ln);border-radius:var(--r-s);padding:9px 12px;min-height:42px;max-width:100%}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--br);box-shadow:0 0 0 3px var(--br-bg)}
input::placeholder{color:var(--tx3)}
label{display:block;font-size:13.5px;font-weight:600;color:var(--tx2)}
.empty{padding:36px 16px;text-align:center;color:var(--tx3);background:#fff;border:1px dashed var(--ln);border-radius:var(--r-l)}
.muted{color:var(--tx3)}

/* ===== 3. 顶栏 ===== */
body>header{position:sticky;top:0;z-index:40;height:62px;display:flex;align-items:center;gap:14px;padding:0 max(var(--gut),calc((100vw - var(--max))/2 + var(--gut)));background:#ffffffee;backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid var(--ln)}
.brand{display:flex;align-items:center;gap:10px;color:var(--tx);min-width:0}
.brand-logo{width:36px;height:36px;border-radius:11px;background:var(--br-bg);padding:3px;object-fit:contain;flex:none}
.brand-wordmark{font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--tx)}.brand-wordmark span{color:var(--or)}
.brand small{display:none}
#site-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
#site-nav>button{border:0;background:transparent;padding:8px 14px;border-radius:99px;font-size:14.5px;color:var(--tx2)}
#site-nav>button:hover,#site-nav>button[aria-current="page"]{background:var(--br-bg);color:var(--br)}
#site-nav>#nav-register,#site-nav>#redeem{background:var(--br);color:#fff;padding:8px 20px}
#site-nav>#nav-register:hover,#site-nav>#redeem:hover{background:var(--br-d);color:#fff}
#menu-toggle{display:none;width:40px;height:40px;padding:0;border:0;background:transparent;font-size:22px;color:var(--br)}
.avatar-wrap{position:relative}
.avatar-entry{width:38px;height:38px;padding:0;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1.5px var(--br-ln);background:var(--br-bg) center/cover no-repeat;overflow:hidden}
.avatar-entry img{width:100%;height:100%;object-fit:cover;display:block}
.profile-menu{position:absolute;right:0;top:calc(100% + 12px);width:236px;padding:8px;background:#fff;border:1px solid var(--ln);border-radius:var(--r-l);box-shadow:var(--sh-l);z-index:60}
.profile-menu-summary{padding:10px 12px 12px;margin-bottom:4px;border-bottom:1px solid var(--ln);display:grid;gap:2px}
.profile-menu-summary strong{font-size:15px;color:var(--tx);overflow-wrap:anywhere}.profile-menu-summary span{font-size:12.5px;color:var(--tx3)}
.profile-menu>a,.profile-menu>button{display:block;width:100%;padding:10px 12px;text-align:left;border:0;border-radius:var(--r-s);background:transparent;color:var(--tx2);font-size:14.5px;font-weight:500}
.profile-menu>a:hover,.profile-menu>button:hover{background:var(--br-bg);color:var(--br)}
.profile-menu #profile-logout{color:var(--bad)}.profile-menu .profile-mobile-link{display:none}
@media(max-width:899px){
 body>header{height:56px;gap:8px}.brand{flex:1}
 body.signed-in #menu-toggle{display:grid;place-items:center}
 body.signed-in #site-nav{display:none}
 body.signed-in header.menu-open #site-nav{display:flex;flex-direction:column;align-items:stretch;gap:2px;position:absolute;left:12px;right:12px;top:calc(100% + 8px);padding:10px;background:#fff;border:1px solid var(--ln);border-radius:var(--r-l);box-shadow:var(--sh-l)}
 body.signed-in header.menu-open #site-nav>button{text-align:left;border-radius:var(--r-s)}
 body:not(.signed-in) #site-nav{margin-left:0}
 body:not(.signed-in) #nav-tutorials{display:none}
}

/* ===== 4. 页脚 ===== */
.site-legal-footer{max-width:var(--max);margin:0 auto;padding:26px var(--gut) 40px;border-top:1px solid var(--ln);color:var(--tx3);font-size:13px}
.site-legal-footer nav{display:flex;flex-wrap:wrap;gap:6px 20px;margin-bottom:8px}.site-legal-footer a{color:var(--tx2)}.site-legal-footer a:hover{color:var(--br)}
.site-footer-bottom{display:flex;flex-wrap:wrap;gap:6px 16px}.site-footer-bottom a{color:var(--tx3)}

/* ===== 5. 弹窗 / 提示 ===== */
dialog{border:0;border-radius:var(--r-xl);box-shadow:var(--sh-l);color:var(--tx);padding:0;width:min(560px,calc(100vw - 24px));max-height:calc(100vh - 32px);overflow:auto}
dialog::backdrop{background:#16162f80;backdrop-filter:blur(3px)}
dialog>.close{position:absolute;right:14px;top:14px;width:34px;height:34px;padding:0;border-radius:50%;border:0;background:var(--bg);color:var(--tx2);z-index:2}
#modal{padding:28px 26px 24px}
#modal h2{font-size:22px;font-weight:800;margin-bottom:6px}
#toast{display:none;position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--tx);color:#fff;padding:11px 20px;border-radius:12px;font-size:14px;z-index:100;max-width:calc(100vw - 32px);box-shadow:var(--sh)}

/* ===== 6. 品牌色横幅（首页、专区页、列表页共用） ===== */
.banner{position:relative;color:#fff;border-radius:var(--r-xl);overflow:hidden;background:radial-gradient(420px 220px at 88% 25%,#7a6cf0 0,transparent 70%),linear-gradient(150deg,var(--br),var(--br-d) 62%,var(--br-dd));box-shadow:0 22px 40px -28px #3a2cb8cc}
.banner::before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Ccircle cx='40' cy='40' r='1.2' fill='%23fff' fill-opacity='.18'/%3E%3C/svg%3E");pointer-events:none}
.banner>*{position:relative}
.chip,.hm-chip{display:inline-flex;gap:8px;align-items:center;height:28px;padding:0 13px;border-radius:99px;background:#ffffff1f;border:1px solid #ffffff3a;font-size:13px;font-weight:600;color:#fff}
.chip i,.hm-chip i{width:7px;height:7px;border-radius:50%;background:var(--or);box-shadow:0 0 0 4px #ff8a1f44}
@keyframes float{50%{transform:translateY(-8px)}}

/* ===== 7. 首页 ===== */
.hm-top{display:grid;grid-template-columns:1fr 340px;align-items:center;gap:20px;min-height:176px;padding:26px 34px 26px 170px}
.hm-top h1{margin:12px 0 0;color:#fff;font-size:clamp(24px,3.2vw,36px);font-weight:800;text-wrap:balance}
.hm-top h1 span{color:#ffd8a8}
.hm-fox{position:absolute!important;left:22px;bottom:-14px;width:128px;z-index:1;filter:drop-shadow(0 12px 14px #0005);animation:float 6s ease-in-out infinite}
.hm-go{display:grid;grid-template-columns:1fr auto;grid-template-areas:"l a" "t a" "s a";align-items:center;column-gap:12px;text-align:left;background:#fff;color:var(--tx);border:0;border-radius:var(--r-l);padding:14px 16px 14px 20px;box-shadow:0 22px 40px -22px #0007}
.hm-go:hover{transform:translateY(-2px);color:var(--tx)}
.hm-go-l{grid-area:l;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--or-d)}
.hm-go b{grid-area:t;font-size:17px;font-weight:800;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hm-go small{grid-area:s;font-size:12.5px;color:var(--tx3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hm-go-a{grid-area:a;width:40px;height:40px;border-radius:50%;background:var(--or);color:#fff;display:grid;place-items:center;font-style:normal}
.home-attendance,.invitation-entry{display:flex;align-items:center;gap:12px;margin-top:10px;padding:12px 18px;width:100%;text-align:left;background:#fff;border:1px solid var(--ln);border-radius:var(--r);color:var(--tx);font-size:14.5px;font-weight:500}
.home-attendance:hover,.invitation-entry:hover{border-color:var(--br-ln);color:var(--tx)}
.home-attendance-icon{width:26px;height:26px;border-radius:50%;background:var(--ok-bg);color:var(--ok);display:grid;place-items:center;font-size:13px;font-weight:800;flex:none}
.home-attendance small{color:var(--tx3);font-size:12.5px}.home-attendance b{color:var(--br)}
.home-attendance-arrow,.invitation-entry-arrow{margin-left:auto;color:var(--br);font-size:13px;font-weight:600}
.invitation-entry strong{color:var(--tx)}.invitation-entry-description{color:var(--tx3);font-size:13px}
.home-section-heading{height:0;margin:0}
.hm-grp{margin-top:28px}
.hm-grp h3{font-size:17px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:10px}.hm-grp h3::after{content:"";flex:1;height:1px;background:var(--ln)}
.hm-zg{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.hm-z{position:relative;display:flex;flex-direction:column;gap:20px;min-height:148px;padding:20px;border-radius:var(--r-l);background:var(--zb);color:var(--tx);overflow:hidden;transition:.18s;text-align:left}
.hm-z:hover{transform:translateY(-4px);box-shadow:0 18px 30px -18px var(--zc)}
.hm-z::after{content:"";position:absolute;right:-26px;bottom:-26px;width:100px;height:100px;border-radius:50%;background:var(--zc);opacity:.08}
.hm-z-e{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--zc)}
.hm-z h4{margin-top:2px;font-size:22px;font-weight:800}
.hm-z-m{margin-top:auto;display:flex;justify-content:space-between;align-items:flex-end;gap:8px;font-size:13px;color:var(--tx2);position:relative;z-index:1}
.hm-z-m b{font-size:19px;color:var(--tx)}
.hm-z-go{position:absolute;right:16px;top:16px;width:34px;height:34px;border-radius:50%;background:#fff;color:var(--zc);display:grid;place-items:center;transition:.18s}
.hm-z:hover .hm-z-go{background:var(--zc);color:#fff}
@media(max-width:1000px){.hm-zg{grid-template-columns:repeat(3,1fr)}.hm-top{grid-template-columns:1fr 300px;padding-left:150px}}
@media(max-width:720px){
 :root{--gut:16px}main{padding-top:12px}
 .hm-top{grid-template-columns:minmax(0,1fr);gap:14px;padding:20px 18px 18px;min-height:0}
 .hm-fox{left:auto;right:12px;top:6px;bottom:auto;width:84px}.hm-copy{padding-right:84px}.hm-top h1{font-size:23px}
 .hm-zg{grid-template-columns:repeat(2,1fr);gap:10px}
 .hm-z{min-height:128px;padding:15px;gap:14px}.hm-z h4{font-size:19px}.hm-z-go{width:30px;height:30px;right:12px;top:12px}
 .hm-z-m{flex-direction:column;align-items:flex-start;gap:2px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ===== 8. 目录页：面包屑、横幅、课程卡、章节列表 ===== */
.hm-zg{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:2px 0 12px;font-size:13.5px}
.crumbs a{color:var(--tx2)}.crumbs a:hover{color:var(--br)}.crumbs i{font-style:normal;color:var(--tx3)}.crumbs b{color:var(--tx);font-weight:700}
.zone-head,.course-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:26px 32px}
.zone-head-k{display:block;font-size:12px;font-weight:700;letter-spacing:.12em;color:#ffd8a8;margin-bottom:4px}
.zone-head h1,.course-head h1{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:800;text-wrap:balance}
.stat-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:0}
.course-head .stat-chips{margin-top:14px}
.stat-chips span{display:inline-flex;align-items:baseline;gap:6px;padding:7px 16px;border-radius:var(--r);background:#ffffff1f;border:1px solid #ffffff33;color:#ffffffd9;font-size:13px}
.stat-chips b{font-size:20px;font-weight:800;color:#fff}.stat-chips .ok{background:#12b88633;border-color:#12b88666;color:#d3f9ea}
.course-head{align-items:stretch}
.course-head-main{flex:1 1 360px;min-width:0}
.course-prog{flex:0 1 320px;display:grid;gap:12px;align-content:center;background:#ffffff17;border:1px solid #ffffff2e;border-radius:var(--r-l);padding:16px 18px}
.course-prog-l{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;color:#ffffffcc}.course-prog-l b{font-size:24px;color:#fff;font-weight:800}.course-prog-l small{font-size:13px;font-weight:500;color:#ffffffb3}
.bar{height:8px;border-radius:99px;background:#ffffff2e;overflow:hidden}.bar i{display:block;height:100%;border-radius:99px;background:var(--or)}
.go-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;border-radius:12px;font-weight:700;color:#fff;box-shadow:0 10px 24px -8px #ff8a1faa}.go-btn:hover{transform:translateY(-1px);color:#fff}
.sec-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:26px 0 14px}
.sec-head h2{font-size:18px;font-weight:800;display:flex;align-items:center;gap:8px}
.sec-head h2 em{font-style:normal;font-size:13px;background:var(--br-bg);color:var(--br);border-radius:99px;padding:1px 10px}
.sec-tools{display:flex;gap:8px}.sec-tools button{border-radius:99px;height:36px;padding:0 15px;font-size:13.5px}
.cc-deck{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}
.cc{display:flex;flex-direction:column;gap:6px;background:#fff;border:1.5px solid var(--ln);border-radius:var(--r-xl);padding:24px 26px;color:var(--tx);transition:.18s}
.cc:hover{border-color:var(--br-ln);transform:translateY(-3px);box-shadow:var(--sh)}
.cc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.cc-tag{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--br);background:var(--br-bg);padding:4px 12px;border-radius:6px}
.cc-state{font-size:12.5px;color:var(--tx3);font-weight:600}.cc-state.on{color:var(--ok)}
.cc-num{display:flex;align-items:baseline;gap:8px}.cc-num b{font-size:42px;line-height:1.1;font-weight:800;color:var(--br)}.cc-num span{color:var(--tx3);font-size:14px}
.cc h3{font-size:18px;font-weight:800;margin-top:4px}
.cc p{color:var(--tx2);font-size:14px;line-height:1.6}
.cc-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:16px}
.cc-foot small{color:var(--tx3);font-size:13px}.cc-prog{flex:1;height:6px;background:var(--br-bg);border-radius:99px;overflow:hidden}.cc-prog i{display:block;height:100%;background:var(--br);border-radius:99px}
.cc-go{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:#fff;background:var(--br);padding:9px 16px;border-radius:var(--r-s);white-space:nowrap}
.cc:hover .cc-go{background:var(--br-d)}
.lesson-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.lesson-tools input{flex:1 1 220px;border-radius:99px;padding-inline:18px}
.seg{display:inline-flex;background:#fff;border:1px solid var(--ln);border-radius:99px;padding:3px}
.seg button{border:0;border-radius:99px;padding:6px 16px;font-size:13.5px;background:transparent}.seg button.active{background:var(--br);color:#fff}
#lesson-result-count{color:var(--tx3);font-size:13px}
.lesson-list{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
.lesson-row{display:flex;align-items:center;gap:14px;padding:12px 16px;background:#fff;border:1px solid var(--ln);border-radius:var(--r);color:var(--tx);transition:.15s}
.lesson-row:hover{border-color:var(--br-ln);background:var(--br-bg)}
.lr-n{flex:none;width:40px;height:40px;border-radius:12px;background:var(--br-bg);color:var(--br);display:grid;place-items:center;font-weight:800;font-size:14px;font-family:var(--mono)}
.lr-t{flex:1;min-width:0}.lr-t small{display:block;font-size:12px;color:var(--tx3)}.lr-t h3{font-size:15.5px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lr-s{flex:none;font-size:12.5px;font-weight:600;color:var(--tx3);background:var(--bg);padding:3px 11px;border-radius:99px}
.lr-s.done{background:var(--ok-bg);color:var(--ok)}.lr-s.ongoing{background:var(--or-bg);color:var(--or-d)}
@media(max-width:720px){
 .zone-head,.course-head{padding:20px 18px}.cc-deck{grid-template-columns:minmax(0,1fr)}.cc{padding:20px}
 .lr-s{display:none}.lesson-row{padding:10px 12px}
}

.stat-chips span{align-items:center}

/* ===== 9. 阅读页 ===== */
main.learning-main{max-width:1280px}
.reader-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px;color:var(--tx3);font-size:13.5px}
.reader-top .text-button{border:0;background:transparent;padding:6px 0;color:var(--tx2);font-weight:600}.reader-top .text-button:hover{color:var(--br)}
.reader-book-links{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.reader-book-links button{border-radius:99px;height:34px;padding:0 14px;font-size:13px}
.lesson-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.chapter-kicker{display:block;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--br);margin-bottom:4px}
.lesson-heading h1{font-size:clamp(22px,2.6vw,30px);font-weight:800;text-wrap:balance}
.lesson-neighbors{display:flex;gap:8px}.lesson-neighbors button{border-radius:99px;height:36px;font-size:13px}
.lesson-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:5px;background:#fff;border:1px solid var(--ln);border-radius:var(--r-l);margin-bottom:16px}
.lesson-tabs button{display:flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--r);padding:11px 8px;background:transparent;font-size:14.5px}
.lesson-tabs button.active{background:var(--br);color:#fff;box-shadow:0 8px 18px -10px var(--br)}
.feature-tab-icon{font-size:14px;opacity:.85}
.study-shell{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:18px;align-items:start}
.reading-pane,.vocabulary-pane,.reference-pane{background:#fff;border:1px solid var(--ln);border-radius:var(--r-xl);box-shadow:var(--sh-s)}
.reading-pane{padding:22px 26px}
.vocabulary-pane{position:sticky;top:78px;padding:18px;max-height:calc(100vh - 96px);display:flex;flex-direction:column}
.reader-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}
.reader-bottom button{border-radius:99px;height:38px;padding:0 18px}
.page-count{font-size:13px;color:var(--tx3);font-weight:600}
.reading-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:16px 0 10px;padding:10px;background:var(--bg);border-radius:var(--r)}
.mode-tabs{display:inline-flex;background:#fff;border:1px solid var(--ln);border-radius:99px;padding:3px}
.mode-tabs button{border:0;border-radius:99px;padding:6px 14px;font-size:13.5px;background:transparent}.mode-tabs button.active{background:var(--br);color:#fff}
.mobile-vocabulary{display:none}
.type-controls{margin-left:auto;display:flex;align-items:center;gap:6px;color:var(--tx3);font-size:13px}
.type-controls button{width:34px;height:34px;padding:0;border-radius:50%}
.story{font-size:var(--size,18px);line-height:2.15;color:#24253f;padding:6px 2px 14px;overflow-wrap:anywhere}
.story .word{display:inline;padding:2px 8px;margin:0 1px;border:0;border-radius:7px;background:var(--br-bg);color:var(--br);font-weight:700;font-size:inherit;line-height:inherit}
.story .word:hover{background:var(--br-ln)}
.story .word.selected{background:var(--br);color:#fff}
.story .meaning{color:var(--tx2);font-size:.92em}
.paragraph-break{display:block;height:.7em}
.exercise-token{display:inline-flex;align-items:center;gap:6px;vertical-align:baseline;margin:0 2px;flex-wrap:wrap}
.exercise-hint{color:var(--br);background:var(--br-bg);padding:1px 8px;border-radius:7px;font-weight:600;font-size:.92em}
.exercise-field{position:relative;display:inline-flex;align-items:center}
.blank{width:var(--blank-width,140px);min-height:38px;padding:4px 36px 4px 12px;border:1.5px solid var(--ln);border-radius:var(--r-s);font-family:var(--mono);font-size:.95em;background:#fff}
.blank.correct{border-color:var(--ok);background:var(--ok-bg);color:#087f5b}
.blank.wrong,.blank.retry{border-color:var(--bad);background:var(--bad-bg)}
.blank.hinted{border-color:var(--warn);background:var(--warn-bg)}
.answer-shake{animation:shake .32s}@keyframes shake{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.answer-hint{position:absolute;right:4px;top:50%;transform:translateY(-50%);width:28px;height:28px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--tx3);font-size:14px}.answer-hint:hover{color:var(--or-d);background:var(--or-bg)}
.field-result{font-weight:800;font-size:.9em}.field-result[data-status=correct]{color:var(--ok)}.field-result[data-status=hinted]{color:var(--warn)}.field-result[data-status=wrong],.field-result[data-status=retry]{color:var(--bad)}
.answer-feedback{margin:10px 0;padding:12px 16px;background:var(--br-bg);border-radius:var(--r);display:grid;gap:2px;font-size:14px;color:var(--tx2)}.answer-feedback b{color:var(--br)}
.group-bottom{margin-top:8px;padding-top:14px;border-top:1px solid var(--ln)}
.group-completion{display:flex;align-items:center;gap:12px}.group-completion .text-button{border:0;background:var(--ok-bg);color:var(--ok);border-radius:99px;padding:7px 16px}
.study-completion{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:12px;font-size:13px;color:var(--tx3)}
.study-completion>div{display:flex;gap:8px}.study-completion .text-button{border:0;background:transparent}
.vocabulary-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:12px}
.vocabulary-heading h2{font-size:17px;font-weight:800}.vocabulary-heading h2 span{font-size:13px;color:var(--br);background:var(--br-bg);border-radius:99px;padding:1px 10px;margin-left:4px;font-weight:700}
.vocabulary-heading .text-button{border-radius:99px;font-size:13px;padding:6px 14px;background:var(--br-bg);color:var(--br);border:0}
.audio-status{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx2);margin-bottom:8px}.audio-dot{width:8px;height:8px;border-radius:50%;background:var(--or)}
.word-list{display:grid;gap:10px;overflow:auto;align-content:start;min-height:0;padding:2px}
.source-link{margin-top:12px;border:0;background:transparent;font-size:12.5px;color:var(--tx3);text-decoration:underline;padding:4px}
.vocab-card{padding:14px 16px;border:1.5px solid var(--ln);border-radius:var(--r-l);background:#fff;transition:.15s}
.vocab-card.selected{border-color:var(--br);background:var(--br-bg)}
.vocab-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}
.card-word{border:0;background:transparent;padding:0;font-family:var(--mono);font-size:21px;font-weight:800;color:var(--tx)}.card-word:hover{color:var(--br)}
.save-word-button{border-radius:99px;font-size:12.5px;padding:4px 12px}
.vocab-ipa{color:var(--tx3);font-size:13px;font-family:var(--mono)}
.vocab-meaning{display:flex;align-items:center;gap:8px;font-weight:700;margin:4px 0 8px}
.pos-badge{display:inline-block;font-size:11.5px;font-weight:700;padding:1px 9px;border-radius:6px;background:var(--br-bg);color:var(--br);white-space:nowrap}
.pos-badge[data-pos=noun]{background:#e7f0ff;color:#1c62c9}.pos-badge[data-pos=verb]{background:#ffece3;color:#c2491f}.pos-badge[data-pos=adjective]{background:#f1e8ff;color:#7048e8}.pos-badge[data-pos=adverb]{background:#e3f8f0;color:#0e9f75}.pos-badge[data-pos=pronoun]{background:#fff2d1;color:#a86c14}.pos-badge[data-pos=preposition]{background:#e1f5fa;color:#0c8599}.pos-badge[data-pos=phrase]{background:#fbe9f1;color:#c2255c}
.word-card-actions{display:flex;gap:6px;flex-wrap:wrap}
.word-card-actions button,.mini-actions button{border-radius:99px;padding:3px 11px;font-size:12px;background:var(--br-bg);border-color:transparent;color:var(--br)}
.example{margin-top:10px;background:var(--bg);border-radius:var(--r);padding:10px 12px;font-size:13.5px}
.example-label{display:flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;letter-spacing:.06em;color:var(--tx3);margin-bottom:2px}
.icon-button{width:24px;height:24px;padding:0;border-radius:50%;border:0;background:#fff;color:var(--br);font-size:12px}
.example-en{color:var(--tx);line-height:1.6}.example-en mark{background:var(--or-bg);color:var(--or-d);font-weight:700;border-radius:4px;padding:0 3px}
.example-zh{color:var(--tx2);margin-top:2px}
.recall-waiting{display:grid;gap:14px;padding:6px 4px;text-align:left}
.recall-preview{border:1.5px dashed var(--br-ln);border-radius:var(--r-l);padding:14px;display:grid;gap:8px}
.recall-preview-top{display:flex;justify-content:space-between;font-weight:800;color:var(--br)}.recall-preview-top i{font-style:normal;font-size:12px;background:var(--br-bg);padding:1px 10px;border-radius:99px}
.recall-placeholder{height:12px;border-radius:6px;background:var(--br-bg)}.recall-placeholder-word{width:45%;height:20px}.recall-placeholder-meaning{width:70%}
.recall-preview-example{display:grid;gap:6px;margin-top:4px}
.recall-waiting-copy h3{font-size:16px;font-weight:800}.recall-waiting-copy p,.recall-waiting-note{color:var(--tx2);font-size:13.5px}
.recall-waiting-steps{display:grid;gap:8px}.recall-waiting-steps div{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--tx2)}
.recall-waiting-steps b{width:24px;height:24px;border-radius:50%;background:var(--br);color:#fff;display:grid;place-items:center;font-size:12px}
.recall-waiting-note{color:var(--tx3)}
@media(max-width:899px){
 .study-shell{grid-template-columns:minmax(0,1fr)}.vocabulary-pane{display:none}
 .mobile-vocabulary{display:inline-flex}.mobile-vocabulary{border-radius:99px;background:var(--br-bg);color:var(--br);border:0}
 .reading-pane{padding:16px 16px}.lesson-heading{align-items:flex-start}
 .type-controls{margin-left:0}
}

/* ===== 10. 词卡浮层 / 底部抽屉 ===== */
#word-popover{position:fixed;z-index:70;width:420px;max-width:calc(100vw - 24px);max-height:min(640px,calc(100vh - 40px));background:#fff;border:1px solid var(--ln);border-radius:var(--r-xl);box-shadow:var(--sh-l);display:flex;flex-direction:column;overflow:hidden}
#word-popover[hidden]{display:none}
.sheet-handle{display:none;width:40px;height:4px;border-radius:2px;background:var(--ln);margin:10px auto 0}
.word-popover-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 0}
.close-word{width:32px;height:32px;padding:0;border-radius:50%;border:0;background:var(--bg);font-size:18px}
.word-popover-scroll{padding:6px 20px 20px;overflow:auto}
#word-popover h2{font-size:30px;font-weight:800;font-family:var(--mono)}
.word-primary-meaning{display:flex;align-items:center;gap:10px;margin:10px 0 14px;font-size:17px}
.word-play-controls{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.word-play-controls button{border-radius:99px;font-size:13px;padding:6px 14px}
.word-play-controls #pronounce{background:var(--br);color:#fff;border-color:var(--br)}
.word-audio-status{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx2);margin-bottom:8px}
.usage-note{color:var(--tx2);font-size:13.5px;margin-bottom:8px}
.more-senses{margin-top:12px;border-top:1px solid var(--ln);padding-top:10px;font-size:14px}.more-senses summary{cursor:pointer;font-weight:700;color:var(--tx2)}.more-senses p{margin-top:6px}
.english-explanation{color:var(--tx3);font-size:13px}
@media(max-width:899px){
 #word-popover{left:0!important;right:0;top:auto!important;bottom:0;width:100%;max-width:none;border-radius:var(--r-xl) var(--r-xl) 0 0;max-height:78vh;padding-bottom:env(safe-area-inset-bottom)}
 .sheet-handle{display:block}
}

/* ===== 11. 词汇表 / 助记表 ===== */
.reference-pane{padding:20px}
.reference-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.reference-tools input{flex:1 1 240px;border-radius:99px;padding-inline:18px}.reference-tools span{color:var(--tx3);font-size:13px}
.reference-tools button{border-radius:99px}
.table-wrap{overflow-x:auto;border:1px solid var(--ln);border-radius:var(--r)}
.vocabulary-table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
.vocabulary-table th{background:var(--bg);text-align:left;font-size:12.5px;color:var(--tx3);padding:10px 14px;font-weight:700;letter-spacing:.04em}
.vocabulary-table td{padding:10px 14px;border-top:1px solid var(--ln);vertical-align:middle}
.vocabulary-table tr:hover td{background:#fbfaff}
.table-word{border:0;background:transparent;padding:0;font-family:var(--mono);font-weight:800;font-size:15.5px;color:var(--tx)}.table-word:hover{color:var(--br)}
.mini-actions{display:flex;gap:6px;flex-wrap:wrap}
.memory-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:14px}
.memory-card{border:1.5px solid var(--ln);border-radius:var(--r-l);overflow:hidden;background:#fff}
.memory-card .vocab-card{border:0;border-radius:0;border-bottom:1px solid var(--ln)}
.memory-content{padding:14px 16px;display:grid;gap:8px;font-size:14px;color:var(--tx2)}.memory-content b{color:var(--tx)}
.memory-content textarea{display:block;width:100%;margin-top:4px;min-height:72px;resize:vertical}
.note-status{color:var(--ok);font-size:13px}

/* ===== 12. 单词本 / 错题本 ===== */
.notebook-masthead{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px 30px;margin-bottom:16px;color:#fff;border-radius:var(--r-xl);background:radial-gradient(380px 200px at 90% 20%,#7a6cf0 0,transparent 70%),linear-gradient(150deg,var(--br),var(--br-d) 62%,var(--br-dd))}
.notebook-review .notebook-masthead{background:radial-gradient(380px 200px at 90% 20%,#ff9d5c 0,transparent 70%),linear-gradient(150deg,#e8590c,#c2410c 70%,#9a3412)}
.notebook-label{display:block;font-size:12px;font-weight:700;letter-spacing:.12em;color:#ffd8a8}
.notebook-masthead h1{color:#fff;font-size:clamp(22px,2.8vw,30px);font-weight:800}
.notebook-total{text-align:right;color:#ffffffcc;font-size:13px}.notebook-total strong{display:block;font-size:36px;line-height:1;color:#fff}
.notebook-tools{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}.notebook-tools input{flex:1 1 220px;border-radius:99px;padding-inline:18px}.notebook-tools select{border-radius:99px}
.notebook-tools button{border-radius:99px}
#book-clear{color:var(--bad)}#book-clear:hover{background:var(--bad-bg);border-color:#ffc9cf}
#book-count{font-size:13px;margin-bottom:10px}
.notebook-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}
.book-card{display:grid;gap:8px;padding:16px 18px;background:#fff;border:1.5px solid var(--ln);border-radius:var(--r-l)}
.book-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}.book-word-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.book-remove{width:28px;height:28px;padding:0;border-radius:50%;border:0;background:var(--bg);color:var(--tx3)}.book-remove:hover{background:var(--bad-bg);color:var(--bad)}
.book-definition{display:flex;align-items:baseline;gap:10px}.book-definition strong{font-size:15.5px}
.book-error{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--bad-bg);border-radius:var(--r-s);padding:8px 12px;font-size:13px}.book-error div{display:flex;gap:8px;align-items:center}.book-error span{color:var(--tx3)}.book-error del{color:var(--bad)}
.book-correction{font-weight:700;color:var(--bad)}.book-correction.corrected{color:var(--ok)}
.book-note{background:var(--warn-bg);border-radius:var(--r-s);padding:8px 12px;font-size:13px}.book-note span{font-weight:700;color:var(--warn)}
.book-card-actions button{border-radius:99px;padding:3px 12px;font-size:12px;background:var(--br-bg);border-color:transparent;color:var(--br);margin-right:6px}
.book-source{display:flex;justify-content:space-between;gap:8px;font-size:12.5px;color:var(--tx3);border-top:1px dashed var(--ln);padding-top:8px;flex-wrap:wrap}.book-source-label{color:var(--br);font-weight:700}
.quiz-correct{color:var(--ok);font-weight:700}.quiz-wrong{color:var(--bad)}
#quiz-form{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}#quiz-form input{flex:1 1 200px}
#quiz-feedback{min-height:28px;margin-bottom:8px}
.sheet-heading h2{margin-bottom:4px}.mobile-word-list{display:grid;gap:10px;margin-top:12px}
.reset-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:16px}
.speech-state{color:var(--tx2);margin:8px 0}
@media(max-width:720px){.notebook-masthead{padding:18px}.notebook-grid,.memory-grid{grid-template-columns:minmax(0,1fr)}}
@media print{body>header,.reader-top,.lesson-neighbors,.lesson-tabs,.reference-tools,.notebook-tools,.mini-actions,.source-link,#toast,#word-popover,dialog,.site-legal-footer,.memory-content button{display:none!important}body,main{background:#fff;padding:0}.table-wrap{overflow:visible;border:0}}

.story .word{line-height:1.5;padding:0 8px}

/* ===== 13. 个人中心 ===== */
.account-page,.wallet-page,.withdraw-page,.invite-center{max-width:880px;margin:0 auto;display:grid;gap:16px}
.account-back,.withdraw-back{font-size:13.5px;color:var(--tx2);font-weight:600}.account-back:hover,.withdraw-back:hover{color:var(--br)}
.account-title span{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--br)}
.account-title h1{font-size:28px;font-weight:800}
.account-profile{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 26px;border-radius:var(--r-xl);color:#fff;background:radial-gradient(360px 200px at 90% 10%,#7a6cf0 0,transparent 70%),linear-gradient(150deg,var(--br),var(--br-d) 62%,var(--br-dd));box-shadow:0 22px 40px -28px #3a2cb8cc}
.account-person{display:flex;align-items:center;gap:16px;min-width:0}
.account-avatar{width:68px;height:68px;border-radius:50%;object-fit:cover;background:#fff;border:3px solid #ffffff66;flex:none}
.account-person h2{font-size:21px;font-weight:800;color:#fff}.account-person p{color:#ffffffcc;font-size:13.5px}
.account-profile-actions{display:flex;gap:8px;flex-wrap:wrap}
.account-profile-actions button{background:#ffffff1f;border:1px solid #ffffff44;color:#fff;border-radius:99px;padding:7px 16px;font-size:13.5px}
.account-profile-actions button:hover{background:#ffffff33;color:#fff}
.account-section{background:#fff;border:1px solid var(--ln);border-radius:var(--r-xl);padding:20px 24px;box-shadow:var(--sh-s)}
.account-section-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.account-section-heading h2{font-size:17px;font-weight:800}.account-section-heading>span{font-size:13px;color:var(--tx3)}
.account-primary{background:var(--br);border-color:var(--br);color:#fff;border-radius:99px;padding:8px 20px}.account-primary:hover{background:var(--br-d);border-color:var(--br-d);color:#fff}
.account-balance-body{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.account-balance-body span{font-size:13px;color:var(--tx3)}
.account-balance-body strong{display:block;font-size:36px;line-height:1.1;font-weight:800;color:var(--br)}
.account-balance-actions{display:flex;gap:8px;flex-wrap:wrap}.account-balance-actions button{border-radius:99px}
.attendance-today{color:var(--ok)!important;font-weight:700;background:var(--ok-bg);padding:2px 12px;border-radius:99px}
.attendance-summary{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;margin-bottom:12px;font-size:14px;color:var(--tx2)}.attendance-summary b{font-size:24px;color:var(--br);margin-right:2px}.attendance-summary small{color:var(--tx3)}
.attendance-mobile{display:none}
.attendance-scroll{overflow-x:auto;padding-bottom:6px}
.attendance-months{display:flex;color:var(--tx3);font-size:11px;min-height:16px}
.attendance-cells{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,12px);gap:3px}
.attendance-cell{width:12px;height:12px;border-radius:3px;background:var(--bg)}.attendance-cell.checked{background:var(--br)}.attendance-cell.today{outline:2px solid var(--or);outline-offset:1px}
.attendance-legend{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12px;color:var(--tx3)}.attendance-legend div{display:flex;gap:4px;margin-left:auto}.attendance-legend i{width:12px;height:12px;border-radius:3px;background:var(--bg)}.attendance-legend i.checked{background:var(--br)}
.attendance-mobile-label{display:none}
.account-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:12px}
.account-metrics>*{display:flex;flex-direction:column;align-items:flex-start;padding:14px 16px;border-radius:var(--r);background:var(--bg);color:var(--tx2);font-size:13px}
.account-metrics a:hover{background:var(--br-bg)}
.account-metrics strong{font-size:26px;line-height:1.2;font-weight:800;color:var(--br)}
.account-challenge-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.account-challenge-actions button{border-radius:99px;font-size:13px}
.account-courses{display:grid;gap:8px}.account-empty{color:var(--tx3);font-size:14px;padding:10px 0}
.account-progress{display:grid;gap:8px}
.account-progress-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border:1px solid var(--ln);border-radius:var(--r);color:var(--tx)}.account-progress-item:hover{border-color:var(--br-ln);background:var(--br-bg)}.account-progress-item b{color:var(--br);font-size:13.5px;flex:none}
.course-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--br);margin-right:6px}
.form-error{color:var(--bad);font-size:13.5px;min-height:20px}
.refund-debt-notice{background:var(--warn-bg);color:#8a5a00;border-radius:var(--r);padding:10px 14px;font-size:13.5px}
.account-announcements{display:grid;gap:8px}
.account-contact-summary{font-size:13px}
@media(max-width:720px){
 .account-profile{padding:18px}.account-section{padding:16px 16px}.account-metrics{grid-template-columns:repeat(2,1fr)}
 .attendance-desktop,.attendance-desktop-label{display:none}.attendance-mobile{display:block}.attendance-mobile-label{display:inline}
 .attendance-month-heading{display:flex;justify-content:space-between;font-size:14px;margin-bottom:8px}.attendance-month-heading span{color:var(--tx3)}
 .attendance-month-weekdays,.attendance-month-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;text-align:center}
 .attendance-month-weekdays{font-size:12px;color:var(--tx3);margin-bottom:4px}
 .attendance-month-day{aspect-ratio:1;display:grid;place-items:center;border-radius:8px;font-size:12.5px;background:var(--bg);color:var(--tx3)}.attendance-month-day.checked{background:var(--br);color:#fff;font-weight:700}.attendance-month-day.today{outline:2px solid var(--or)}.attendance-month-day.future{opacity:.45}
}

/* ===== 14. 卡密激活 / 钱包 / 购买 ===== */
.wallet-heading span{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--br)}.wallet-heading h1{font-size:28px;font-weight:800}
.wallet-balance{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 26px;border-radius:var(--r-xl);color:#fff;background:radial-gradient(360px 200px at 90% 10%,#7a6cf0 0,transparent 70%),linear-gradient(150deg,var(--br),var(--br-d) 62%,var(--br-dd))}
.wallet-balance span{font-size:13px;color:#ffffffcc}.wallet-balance strong{display:block;font-size:38px;line-height:1.1;font-weight:800;color:#fff}
.wallet-balance button{background:var(--or);border-color:var(--or);color:#fff;border-radius:99px;padding:9px 22px}.wallet-balance button:hover{background:var(--or-d);border-color:var(--or-d);color:#fff}
#challenge-redeem-form,.recharge-submit-row{display:flex;gap:10px;flex-wrap:wrap}
#challenge-redeem-form input{flex:1 1 240px;font-family:var(--mono);letter-spacing:.08em}
.activation-code-help{display:inline-block;margin-top:10px;font-size:13.5px}
.invite-voucher-list,.activation-history{display:grid;gap:8px}
.purchase-entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.purchase-entry-grid>article{position:relative;display:flex;flex-direction:column;gap:8px;padding:24px 26px;border:1.5px solid var(--ln);border-radius:var(--r-xl);background:#fff}
.purchase-entry-grid>article:first-child{background:linear-gradient(165deg,var(--br),var(--br-d));color:#fff;border:0;box-shadow:0 30px 50px -26px #3a2cb8cc}
.purchase-entry-grid h3{font-size:19px;font-weight:800}.purchase-entry-grid p{font-size:14px;color:var(--tx2)}.purchase-entry-grid>article:first-child p{color:#ffffffcc}
.wallet-scope{align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--br);background:var(--br-bg);padding:3px 12px;border-radius:6px}
.purchase-entry-grid>article:first-child .wallet-scope{background:var(--or);color:#fff}
.entry-price{font-size:34px;font-weight:800;line-height:1.2;color:var(--br)}.entry-price small{font-size:13px;font-weight:500;color:var(--tx3);margin-left:6px}
.purchase-entry-grid>article:first-child .entry-price{color:#fff}.purchase-entry-grid>article:first-child .entry-price small{color:#ffffffb3}
.purchase-entry-grid>article>button{margin-top:auto;height:46px;border-radius:12px;font-weight:700;font-size:15px;background:var(--br-bg);border-color:transparent;color:var(--br)}
.purchase-entry-grid>article:first-child>button{background:var(--or);color:#fff}
.purchase-entry-grid select{width:100%}
.wallet-table{overflow-x:auto;border:1px solid var(--ln);border-radius:var(--r)}
.wallet-table table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.wallet-table th{text-align:left;background:var(--bg);color:var(--tx3);font-size:12.5px;padding:10px 14px;font-weight:700}
.wallet-table td{padding:10px 14px;border-top:1px solid var(--ln)}
/* 购买弹窗 */
.purchase-layout{display:grid;gap:16px}
.purchase-intro h2{font-size:23px;font-weight:800}.purchase-eyebrow{display:block;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--br);margin-bottom:4px}
.purchase-benefits{display:grid;gap:8px;padding:0;list-style:none;font-size:14px;color:var(--tx2)}.purchase-benefits li::before{content:"✓";display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--ok-bg);color:var(--ok);font-size:11px;margin-right:8px}
.purchase-options,.purchase-scope-options,.purchase-methods,.recharge-presets{display:grid;gap:10px}
.purchase-scope-options,.recharge-presets{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}
.purchase-options label,.purchase-methods label,.purchase-scope-options label,.recharge-presets label{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1.5px solid var(--ln);border-radius:var(--r);cursor:pointer;color:var(--tx);font-weight:600}
.purchase-options label:has(:checked),.purchase-methods label:has(:checked),.purchase-scope-options label:has(:checked),.recharge-presets label:has(:checked){border-color:var(--br);background:var(--br-bg)}
.purchase-balance{background:var(--bg);border-radius:var(--r);padding:10px 14px;font-size:13.5px;color:var(--tx2)}
.purchase-payment-panel,.purchase-choice-panel{display:grid;gap:12px}
.payment-amount-heading{display:flex;align-items:baseline;justify-content:space-between}.payment-amount-heading strong{font-size:30px;color:var(--br)}
.payment-main-qr{display:grid;place-items:center;padding:16px;background:#fff;border:1px solid var(--ln);border-radius:var(--r-l)}.payment-main-qr img,.payment-main-qr canvas{width:200px;height:200px}
.payment-info{font-size:13.5px;color:var(--tx2);text-align:center}
.alipay-checkout{display:grid;gap:10px;justify-items:center}
.alipay-open-button,.payment-query-button,.recharge-submit,.lp-btn-primary,#modal .primary,.primary{height:46px;border-radius:12px;font-weight:700}
.alipay-open-button{background:#1677ff;border-color:#1677ff;color:#fff;width:100%}.alipay-open-button:hover{background:#0958d9;border-color:#0958d9;color:#fff}
.payment-query-button{width:100%}
.alipay-provider-mark{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:#1677ff}
.wechat-hint{background:var(--warn-bg);color:#8a5a00;border-radius:var(--r);padding:10px 14px;font-size:13.5px}
.recharge-card,.recharge-heading,.recharge-footnote{display:grid;gap:10px}.recharge-footnote{font-size:12.5px;color:var(--tx3)}
.recharge-amount{display:flex;align-items:center;gap:8px}.recharge-amount input{flex:1}
.chapter-unlock,.unlock-guest{display:grid;gap:12px}.unlock-actions,.trial-actions{display:flex;gap:10px;flex-wrap:wrap}.unlock-note{font-size:13px;color:var(--tx3)}
.chapter-unlock-code{font-family:var(--mono);letter-spacing:.1em;background:var(--bg);padding:10px 14px;border-radius:var(--r)}
.lp-btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 24px;border-radius:12px;font-weight:700;border:1px solid var(--ln);background:#fff;color:var(--tx2)}
.lp-btn-primary{background:var(--or);border-color:var(--or);color:#fff}.lp-btn-primary:hover{background:var(--or-d);color:#fff}
.lp-btn-ghost{background:transparent}
.agent-entry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.agent-statistics{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.agent-statistics>*{background:var(--bg);border-radius:var(--r);padding:12px 14px}
.agent-extract,.agent-created,.agent-created-list{display:grid;gap:10px}
.agent-quantity-control{display:inline-flex;align-items:center;gap:8px}
.agent-tier-label,.agent-extract-eyebrow{font-size:12px;font-weight:700;color:var(--br);letter-spacing:.06em}
@media(max-width:720px){.purchase-entry-grid{grid-template-columns:minmax(0,1fr)}.wallet-balance{padding:18px}}
.purchase-methods{grid-template-columns:1fr 1fr}
.purchase-methods button{display:flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 16px;border-radius:12px;font-size:15px;font-weight:700;border:1.5px solid var(--ln);background:#fff}
.purchase-methods button img{height:24px;width:auto;max-width:140px;display:block}
#purchase-alipay{border-color:#1677ff;background:#1677ff}#purchase-alipay:hover{background:#0958d9;border-color:#0958d9}
#purchase-wallet{background:var(--br);border-color:var(--br);color:#fff}#purchase-wallet:disabled{background:var(--bg);border-color:var(--ln);color:var(--tx3)}
.purchase-scope-options label{flex-wrap:wrap}.scope-copy{display:grid;gap:2px;flex:1;min-width:0;font-size:14px;color:var(--tx2);font-weight:500}.purchase-scope-options strong{color:var(--br);font-size:16px}
.purchase-intro{color:var(--tx2);margin:4px 0 14px;font-size:14.5px}
.purchase-benefits ul{padding:0;list-style:none;display:grid;gap:6px;margin-top:8px}
@media(max-width:520px){.purchase-methods{grid-template-columns:minmax(0,1fr)}}

/* ===== 15. 邀请中心 / 提现 / 体验券 ===== */
.invite-page-top{display:flex;justify-content:space-between;align-items:center;font-size:13.5px}.invite-page-top a{color:var(--tx2);font-weight:600}.invite-page-top span{color:var(--tx3)}
.invite-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:center;padding:28px 30px;border-radius:var(--r-xl);color:#fff;background:radial-gradient(400px 220px at 90% 10%,#7a6cf0 0,transparent 70%),linear-gradient(150deg,var(--br),var(--br-d) 62%,var(--br-dd))}
.invite-kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;color:#ffd8a8;margin-bottom:6px}
.invite-hero h1{color:#fff;font-size:clamp(22px,2.8vw,30px);font-weight:800;margin-bottom:8px}.invite-hero p{color:#ffffffd0;font-size:14.5px}
.invite-reward-message{margin-top:10px;font-weight:700;color:#fff}.invite-paused{margin-top:10px;background:#ffffff1f;border-radius:var(--r);padding:8px 12px;font-size:13px}
.invite-share-card{background:#fff;color:var(--tx);border-radius:var(--r-l);padding:18px 20px;display:grid;gap:10px;box-shadow:0 24px 40px -24px #0006}
.invite-share-card p{color:var(--tx3);font-size:13px}
.invite-personal-code{font-family:var(--mono);font-size:30px;font-weight:800;letter-spacing:.16em;color:var(--br);text-align:center;background:var(--br-bg);border-radius:var(--r);padding:10px 0}
.invite-primary,.invite-secondary{height:44px;border-radius:12px;font-weight:700}
.invite-primary{background:var(--or);border-color:var(--or);color:#fff}.invite-primary:hover{background:var(--or-d);border-color:var(--or-d);color:#fff}
.invite-secondary{background:var(--br-bg);border-color:transparent;color:var(--br)}
.invite-share-divider{height:1px;background:var(--ln)}.invite-link-fallback{width:100%;font-size:12.5px}
.invite-card-heading{font-weight:800}.invite-card-note{font-size:12.5px}
.invite-journey{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.invite-journey article{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--ln);border-radius:var(--r-l);padding:16px 18px;font-size:14px;color:var(--tx2)}
.invite-journey article>span{flex:none;width:34px;height:34px;border-radius:10px;background:var(--br-bg);color:var(--br);display:grid;place-items:center;font-weight:800;font-family:var(--mono)}
.invite-overview{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:12px}
.invite-overview>div{background:#fff;border:1px solid var(--ln);border-radius:var(--r-l);padding:16px 20px;display:flex;flex-direction:column;gap:2px}
.invite-overview span{font-size:13px;color:var(--tx3)}.invite-overview strong{font-size:28px;font-weight:800;color:var(--br)}.invite-overview-note{background:var(--bg)!important;border:0!important;font-size:13.5px;color:var(--tx2)}
.invite-section{background:#fff;border:1px solid var(--ln);border-radius:var(--r-xl);padding:20px 24px}
.invite-section-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}.invite-section-heading h2,.invite-section-heading h3{font-size:17px;font-weight:800}.invite-section-heading span{color:var(--tx3);font-size:13px}
.invite-empty{text-align:center;color:var(--tx2);padding:20px 10px}.invite-empty h3{font-size:16px;margin-bottom:4px;color:var(--tx)}
.invite-friend-pagination{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:10px;font-size:13px;color:var(--tx3)}
.invite-rules{background:#fff;border:1px solid var(--ln);border-radius:var(--r-l);padding:4px 20px}.invite-rules summary{cursor:pointer;padding:14px 0;font-weight:700}.invite-rules ul{padding:0 0 14px 18px;color:var(--tx2);font-size:14px;display:grid;gap:6px}
.invite-voucher{display:flex;gap:14px;align-items:center;background:var(--or-bg);border:1px dashed #ffc58a;border-radius:var(--r);padding:12px 16px}
.invite-voucher-stamp{font-weight:800;color:var(--or-d)}.invite-voucher-copy{flex:1;font-size:14px}.invite-voucher-status{font-size:12.5px;font-weight:700;color:var(--or-d)}
.withdraw-heading h1{font-size:26px;font-weight:800}.withdraw-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.withdraw-metrics>*{background:#fff;border:1px solid var(--ln);border-radius:var(--r);padding:14px 16px}
.withdraw-form{display:grid;gap:12px;background:#fff;border:1px solid var(--ln);border-radius:var(--r-xl);padding:20px 24px}
.withdraw-field-row{display:grid;gap:6px}.withdraw-note{font-size:13px;color:var(--tx3)}
.withdraw-preview,.withdraw-qr{max-width:240px;border:1px solid var(--ln);border-radius:var(--r)}
.withdraw-records{display:grid;gap:8px}.withdraw-record-actions{display:flex;gap:8px;flex-wrap:wrap}
.withdraw-status{display:inline-block;font-size:12.5px;font-weight:700;padding:2px 10px;border-radius:99px;background:var(--br-bg);color:var(--br)}
.trial-offer,.trial-gift{display:grid;gap:12px;text-align:center;justify-items:center}
.offer-eyebrow{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--or-d)}
.offer-ticket,.offer-ticket-value{background:linear-gradient(150deg,var(--or),var(--or-d));color:#fff;border-radius:var(--r-l);padding:16px 22px}
.offer-clock,.offer-ticket-clock{font-family:var(--mono);font-weight:800;font-size:22px;color:var(--or-d)}
.offer-code{font-family:var(--mono);letter-spacing:.1em;background:var(--bg);padding:8px 14px;border-radius:var(--r-s)}
.offer-message,.offer-footnote{color:var(--tx2);font-size:13.5px}
.trial-gift-art,.trial-gift-icon{font-size:42px}
@media(max-width:720px){.invite-hero{grid-template-columns:minmax(0,1fr);padding:20px}.invite-journey,.invite-overview{grid-template-columns:minmax(0,1fr)}}

/* ===== 16. 协议页 / 联系我们 / 弹窗表单 ===== */
.legal-page,.contact-page{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--ln);border-radius:var(--r-xl);padding:30px 34px}
.legal-page h1,.contact-page h1{font-size:26px;font-weight:800;margin-bottom:6px}
.legal-meta,.contact-kicker{font-size:13px;color:var(--tx3);margin-bottom:14px;display:block}
.legal-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.legal-nav a{padding:6px 14px;border-radius:99px;background:var(--bg);color:var(--tx2);font-size:13.5px;font-weight:600}.legal-nav a[aria-current],.legal-nav a.active{background:var(--br);color:#fff}
.legal-contents{background:var(--bg);border-radius:var(--r);padding:12px 18px;margin-bottom:16px;font-size:14px}
.legal-notice,.legal-operator{background:var(--warn-bg);border-radius:var(--r);padding:12px 16px;font-size:13.5px;color:#8a5a00;margin:12px 0}
.legal-page h2{font-size:18px;margin:22px 0 8px}.legal-page p,.legal-page li{color:var(--tx2);font-size:14.5px}.legal-page ul,.legal-page ol{padding-left:22px;display:grid;gap:6px}
.contact-body{display:grid;gap:14px}.contact-channels{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.contact-image{max-width:220px;border-radius:var(--r);border:1px solid var(--ln)}
#modal form{display:grid;gap:10px;margin-top:12px}#modal form input,#modal form select,#modal form textarea{width:100%}
#modal form button.primary,#modal>button.primary,#modal .account-primary{width:100%}
#modal label{margin-top:4px}
.contact-code-row{display:flex;gap:8px}.contact-code-row input{flex:1}
.profile-contacts{display:grid;gap:8px}.profile-agent-link,.profile-invite-link{color:var(--br);font-weight:600}
@media(max-width:720px){.legal-page,.contact-page{padding:20px 18px}}

.hm-z-m span{white-space:nowrap}.hm-z-m{font-size:12.5px}
@media(min-width:721px){.hm-zg{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}}

/* ===== 17. 首页（方案 D 版式）：访客落地页 + 登录后学习面板 ===== */
main.lp-main{max-width:none;padding:0;background:#fff;min-height:0}
.lp{--wrap:1200px;color:var(--tx)}
.lp .wrap{max-width:var(--wrap);margin:0 auto;padding-inline:max(22px,env(safe-area-inset-left))}
.lp .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:12px;font-weight:700;font-size:16px;border:0;transition:.15s;cursor:pointer;color:#fff;background:var(--br)}
.lp .btn-or{background:var(--or);color:#fff;box-shadow:0 10px 24px -8px #ff8a1faa}.lp .btn-or:hover{background:var(--or-d);transform:translateY(-1px);color:#fff}
.lp .btn-ghost{background:#ffffff1f;color:#fff;border:1px solid #ffffff55}.lp .btn-ghost:hover{background:#ffffff33;color:#fff}
.lp .top{position:relative;background:radial-gradient(900px 520px at 78% 38%,#7a6cf0 0,transparent 62%),linear-gradient(160deg,var(--br) 0,var(--br-d) 60%,var(--br-dd) 100%);color:#fff;overflow:hidden;padding-bottom:110px}
.lp .top::before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Ccircle cx='60' cy='60' r='1.2' fill='%23fff' fill-opacity='.16'/%3E%3C/svg%3E");opacity:.8}
.lp .top::after{content:"";position:absolute;left:-5%;right:-5%;bottom:-1px;height:90px;background:#fff;border-radius:50% 50% 0 0/100% 100% 0 0}
.lp .hero{position:relative;z-index:3;display:grid;grid-template-columns:1.02fr .98fr;gap:30px;align-items:center;padding-top:46px}
.lp .hchip{display:inline-flex;gap:8px;align-items:center;height:32px;padding:0 14px;border-radius:99px;background:#ffffff1f;border:1px solid #ffffff3a;font-size:13px;font-weight:600}
.lp .hchip i{width:8px;height:8px;border-radius:50%;background:var(--or);box-shadow:0 0 0 4px #ff8a1f44}
.lp h1{color:#fff;font-size:clamp(36px,5.2vw,62px);line-height:1.15;margin:22px 0 18px;font-weight:800;letter-spacing:-.01em;text-wrap:balance}
.lp h1 span{color:#ffd8a8}
.lp .lead{font-size:18px;color:#ffffffd6;max-width:27em;margin:0 0 32px}
.lp .cta{display:flex;gap:12px;flex-wrap:wrap}
.lp .pts{display:flex;gap:10px 26px;flex-wrap:wrap;margin-top:28px;font-size:14px;color:#ffffffc4}.lp .pts span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--or);margin-right:9px;vertical-align:2px}
.lp .stage{position:relative;height:560px}
.lp .phone{position:absolute;left:50%;top:0;width:290px;height:560px;margin-left:-125px;background:#0f0f24;border-radius:42px;padding:9px;box-shadow:0 50px 80px -30px #0008,0 0 0 1.5px #ffffff30 inset;animation:float 7s ease-in-out infinite}
.lp .screen{position:relative;height:100%;background:#fff;border-radius:34px;overflow:hidden;color:var(--tx)}
.lp .sb{display:flex;justify-content:space-between;padding:12px 22px 4px;font-size:11px;font-weight:700}
.lp .nt{position:absolute;left:50%;top:7px;width:84px;height:22px;margin-left:-42px;background:#0f0f24;border-radius:12px;z-index:2}
.lp .ph-h{display:flex;align-items:center;gap:8px;padding:14px 16px 8px;font-size:12px;color:var(--tx3)}.lp .ph-h b{color:var(--tx);font-size:14px}
.lp .ph-t{padding:2px 18px;font-size:17px;font-weight:800}
.lp .ph-p{padding:6px 18px;font-size:14px;line-height:2.05;color:#2a2b45}
.lp .hl{background:var(--br-bg);color:var(--br);font-weight:700;border-radius:5px;padding:1px 6px}.lp .hl.on{background:var(--br);color:#fff}
.lp .mk-sheet{position:absolute;left:0;right:0;bottom:0;background:#fff;border-radius:24px 24px 0 0;box-shadow:0 -14px 36px -10px #1b16632e;padding:12px 18px 18px}
.lp .grip{width:36px;height:4px;border-radius:2px;background:var(--ln);margin:0 auto 12px}
.lp .mk-sheet .w{display:flex;align-items:baseline;gap:8px}.lp .mk-sheet .w b{font-size:24px}.lp .mk-sheet .w small{color:var(--tx3)}
.lp .mk-sheet p{margin:2px 0 10px;color:var(--tx2);font-size:13px}
.lp .play{display:flex;gap:8px}.lp .play i{font-style:normal;font-size:12px;padding:5px 12px;border-radius:99px;background:var(--br-bg);color:var(--br);font-weight:700}
.lp .mk-sheet .ex{margin-top:10px;background:var(--bg);border-radius:12px;padding:10px 12px;font-size:12px;color:var(--tx2)}
.lp .card{position:absolute;background:#fff;color:var(--tx);border-radius:18px;box-shadow:0 26px 50px -20px #0007;padding:16px 18px}
.lp .c-quiz{left:-78px;top:178px;width:236px;animation:float 6s ease-in-out infinite -2s}
.lp .c-quiz small{color:var(--tx3);font-size:11px;letter-spacing:.05em}.lp .c-quiz .q{font-weight:800;font-size:16px;margin:4px 0 10px}
.lp .c-quiz .in{display:flex;align-items:center;gap:8px}.lp .c-quiz .in span{flex:1;border-bottom:2px solid var(--br);font-family:var(--mono);font-size:18px;padding-bottom:2px}.lp .c-quiz .in b{background:#e6f8f1;color:var(--ok);font-size:12px;padding:3px 8px;border-radius:6px}
.lp .c-streak{right:-6px;top:20px;display:flex;gap:12px;align-items:center;animation:float 6.5s ease-in-out infinite -1s}
.lp .ring{width:48px;height:48px}.lp .c-streak b,.lp .d-streak b{display:block;font-size:20px;line-height:1.1}.lp .c-streak small,.lp .d-streak small{color:var(--tx3);font-size:12px}
.lp .c-wrong{right:-14px;bottom:70px;width:200px;animation:float 7.5s ease-in-out infinite -3s}
.lp .c-wrong .r{display:flex;justify-content:space-between;font-size:13px;padding:5px 0;border-bottom:1px dashed var(--ln)}.lp .c-wrong .r:last-child{border:0}.lp .c-wrong .r b{color:var(--bad)}
.lp .c-wrong h4{margin:0 0 6px;font-size:13px;color:var(--tx3);font-weight:600}
.lp .fox{position:absolute;left:-30px;bottom:-12px;width:150px;z-index:4;filter:drop-shadow(0 12px 14px #0005)}
.lp section{padding-block:80px 0}
.lp .sh{text-align:center;margin-bottom:44px}.lp .sh h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25;margin:0 0 10px;font-weight:800}.lp .sh p{color:var(--tx2);font-size:16px}.lp .sh em{font-style:normal;color:var(--br)}
.lp .nums{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-20px;position:relative;z-index:6}
.lp .nm{display:block;background:#fff;border:1px solid var(--ln);border-radius:18px;padding:22px 24px;box-shadow:0 14px 30px -20px #3a2cb855;color:var(--tx2);font-size:14px}
.lp .nm b{display:block;font-size:34px;line-height:1.2;font-weight:800;color:var(--br)}
.lp a.nm:hover{border-color:var(--br-ln);transform:translateY(-2px)}
.lp .row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding-block:34px}.lp .row.rev .txt{order:2}
.lp .tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--br);background:var(--br-bg);padding:4px 12px;border-radius:6px;margin-bottom:14px}
.lp .txt h3{font-size:30px;line-height:1.3;margin:0 0 12px;font-weight:800}.lp .txt p{color:var(--tx2);font-size:16px;margin:0 0 18px;max-width:28em}
.lp .txt ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;color:var(--tx2)}.lp .txt li{display:flex;gap:10px;align-items:flex-start}
.lp .ck{width:20px;height:20px;color:var(--ok);flex:none;margin-top:3px}
.lp .art{position:relative;border-radius:28px;min-height:380px;display:grid;place-items:center;padding:30px;overflow:hidden}
.lp .art.a1{background:linear-gradient(140deg,#f3f1ff,#e4e0ff)}.lp .art.a2{background:linear-gradient(140deg,#fff3e6,#ffe3c7)}.lp .art.a3{background:linear-gradient(140deg,#e9f9f3,#d2f1e5)}
.lp .panel{background:#fff;border-radius:18px;box-shadow:0 24px 50px -24px #1b166366;padding:20px 22px;width:100%;max-width:400px}
.lp .panel h4{margin:0 0 10px;font-size:15px}.lp .panel .l{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid var(--ln);font-size:14px}.lp .panel .l:last-child{border:0}
.lp .panel em{font-style:normal;font-size:12px;padding:2px 9px;border-radius:5px}.lp .ok{background:#e6f8f1;color:var(--ok)}.lp .no{background:#ffe9ec;color:var(--bad)}.lp .pd{background:var(--br-bg);color:var(--br)}
.lp .mono{font-family:var(--mono)}
.lp .bars{display:flex;align-items:flex-end;gap:10px;height:120px;margin-top:6px}.lp .bars i{flex:1;border-radius:6px 6px 2px 2px;background:linear-gradient(var(--br-l),var(--br))}.lp .bars i:nth-child(odd){opacity:.55}.lp .bars i.off{background:var(--br-bg);opacity:1}
.lp .grp{margin-bottom:34px}.lp .grp h3{font-size:17px;margin:0 0 14px;display:flex;align-items:center;gap:10px}.lp .grp h3::after{content:"";flex:1;height:1px;background:var(--ln)}
.lp .zg{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.lp .z{position:relative;border-radius:18px;padding:20px;background:var(--zb);display:flex;flex-direction:column;gap:22px;min-height:150px;transition:.18s;overflow:hidden;color:var(--tx)}
.lp .z:hover{transform:translateY(-4px);box-shadow:0 18px 30px -18px var(--zc)}
.lp .z .e{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--zc);opacity:.85}.lp .z h4{margin:2px 0 0;font-size:22px;font-weight:800}
.lp .z .m{margin-top:auto;display:flex;justify-content:space-between;align-items:end;gap:8px;font-size:13px;color:var(--tx2)}.lp .z .m span{white-space:nowrap}.lp .z .m b{font-size:20px;color:var(--tx)}
.lp .z .go{width:34px;height:34px;border-radius:50%;background:#fff;color:var(--zc);display:grid;place-items:center;position:absolute;right:16px;top:16px;transition:.18s}.lp .z:hover .go{background:var(--zc);color:#fff}
.lp .z::after{content:"";position:absolute;right:-26px;bottom:-26px;width:100px;height:100px;border-radius:50%;background:var(--zc);opacity:.08}
.lp .pr{display:grid;grid-template-columns:repeat(2,minmax(0,420px));gap:22px;justify-content:center}
.lp .pl{position:relative;background:#fff;border:1.5px solid var(--ln);border-radius:24px;padding:34px 32px;display:flex;flex-direction:column}
.lp .pl.hot{background:linear-gradient(165deg,var(--br),var(--br-d));color:#fff;border:0;box-shadow:0 30px 50px -26px #3a2cb8cc}
.lp .pl h3{margin:0;font-size:20px}.lp .pl .d{margin:4px 0 22px;color:var(--tx3);font-size:14px}.lp .pl.hot .d{color:#ffffffb3}
.lp .pl .p{font-size:52px;font-weight:800;line-height:1}.lp .pl .p small{font-size:14px;font-weight:500;color:var(--tx3);margin-left:8px}.lp .pl.hot .p small{color:#ffffffb3}
.lp .pl ul{list-style:none;padding:0;margin:24px 0 28px;display:grid;gap:11px;font-size:15px}.lp .pl li{display:flex;gap:10px}.lp .pl.hot .ck{color:#ffd8a8}
.lp .pl .btn{margin-top:auto;width:100%}.lp .pl:not(.hot) .btn{background:var(--br-bg);color:var(--br)}.lp .pl.hot .btn{background:var(--or);color:#fff}
.lp .bd{position:absolute;top:-13px;left:32px;background:var(--or);color:#fff;font-size:12px;font-weight:800;padding:4px 14px;border-radius:99px;letter-spacing:.04em}
.lp .fq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.lp details{background:var(--bg);border-radius:16px;padding:0 24px}.lp summary{cursor:pointer;padding:20px 0;font-weight:700;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}.lp summary::after{content:"+";width:28px;height:28px;border-radius:50%;background:#fff;display:grid;place-items:center;color:var(--br);font-size:18px}.lp details[open] summary::after{content:"–"}.lp details p{margin:0 0 20px;color:var(--tx2)}
.lp .end{margin-top:90px;background:linear-gradient(160deg,var(--br),var(--br-dd));color:#fff}.lp .end .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:60px;flex-wrap:wrap}
.lp .end h2{font-size:clamp(26px,3.4vw,36px);margin:0 0 8px;color:#fff}.lp .end p{color:#ffffffcc}
/* 登录后：学习面板 */
.dash .top{padding-bottom:100px}
.dash-hero{position:relative;z-index:3;display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;padding-top:36px}
.dash-copy h1{font-size:clamp(32px,4.4vw,52px);margin:20px 0 26px}
.dash-cards{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:6px 0 6px 40px}
.dash-cards .card{position:relative;animation:none}
.dash-cards .d-resume{grid-column:1/-1;display:grid;gap:2px}.d-resume small{color:var(--or-d);font-size:12px;font-weight:700;letter-spacing:.06em}.d-resume b{font-size:18px;line-height:1.4}.d-resume span{color:var(--tx3);font-size:13px}
.dash-cards .d-streak{display:flex;gap:12px;align-items:center}
.dash-cards .d-week h4{margin:0 0 6px;font-size:13px;color:var(--tx3);font-weight:600}.dash-cards .d-week .bars{height:56px;gap:6px;margin:0}
.dash .fox{position:absolute;left:-14px;bottom:-26px;width:110px}
.dash section{padding-top:56px}
.dash .invitation-entry{margin-top:22px}
@media(max-width:1000px){.lp .row,.lp .row.rev{grid-template-columns:minmax(0,1fr);gap:26px}.lp .row.rev .txt{order:0}}
@media(max-width:860px){
 .lp .hero,.dash-hero{grid-template-columns:minmax(0,1fr);padding-top:24px}
 .lp .stage{height:520px;max-width:420px;margin:0 auto;width:100%}.lp .phone{margin-left:-110px;transform:scale(.94)}.lp .c-quiz{left:0}.lp .c-wrong{display:none}
 .lp .nums{grid-template-columns:1fr 1fr}.lp .pr{grid-template-columns:minmax(0,1fr)}.lp .fox{width:110px}
 .dash-cards{padding-left:0}.dash .fox{display:none}
}
@media(max-width:480px){.lp .cta .btn{flex:1}.lp .zg{grid-template-columns:repeat(2,1fr);gap:10px}.lp .z{padding:16px;min-height:130px}.lp .z h4{font-size:19px}.lp .z .m{flex-direction:column;align-items:flex-start;gap:2px}.lp .c-streak{right:0}.lp section{padding-block:56px 0}}

.dash .fox{left:auto;right:-8px;top:-46px;bottom:auto;width:96px;z-index:5}
@media(max-width:860px){.dash .fox{display:none}}

/* ===== 18. 用户中心（D 版式：横幅 + 浮动卡片 + 面板网格） ===== */
.account-page{max-width:1100px;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.account-page>*{grid-column:1/-1}
.account-back{grid-column:1/-1}
.account-title{display:none}
.account-profile{display:grid;grid-template-columns:1fr auto;align-items:center;gap:24px;padding:30px 34px;border-radius:var(--r-xl);color:#fff;overflow:visible;background:radial-gradient(520px 260px at 90% 10%,#7a6cf0 0,transparent 70%),linear-gradient(150deg,var(--br),var(--br-d) 62%,var(--br-dd))}
.account-profile{position:relative;overflow:hidden}
.account-profile .account-person{align-items:center;gap:20px}
.account-profile .account-avatar{width:84px;height:84px;border:4px solid #ffffff66;box-shadow:0 14px 30px -10px #0006}
.account-profile .account-person h2{font-size:26px;font-weight:800;margin-bottom:2px}
.account-profile .account-contact-summary{margin-top:6px;line-height:1.7;color:#ffffffb8}
.account-profile .account-profile-actions{grid-column:1;display:flex;gap:8px;flex-wrap:wrap}
.ac-cards{grid-column:2;grid-row:1/3;display:grid;grid-template-columns:minmax(0,1fr);gap:12px;min-width:260px}
.ac-card{background:#fff;color:var(--tx);border-radius:18px;padding:14px 18px;box-shadow:0 26px 50px -22px #0007}
.ac-streak{display:flex;align-items:center;gap:12px}.ac-streak .ring{width:48px;height:48px}.ac-streak b{display:block;font-size:22px;line-height:1.1}.ac-streak small{color:var(--tx3);font-size:12px}
.ac-week h4{font-size:13px;color:var(--tx3);font-weight:600;margin-bottom:6px}
.ac-week .bars{display:flex;align-items:flex-end;gap:6px;height:44px}.ac-week .bars i{flex:1;border-radius:5px 5px 2px 2px;background:linear-gradient(var(--br-l),var(--br))}.ac-week .bars i.off{background:var(--br-bg)}
.account-balance-section{grid-column:1!important}
.account-balance-section+.invitation-entry,.account-page>.invitation-entry{grid-column:2;margin:0;height:100%;flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;border-radius:var(--r-xl);padding:20px 24px;background:var(--or-bg);border:0}
.account-page>.invitation-entry strong{font-size:17px}
.account-page>.invitation-entry .invitation-entry-arrow{margin-left:0}
.account-section{border-radius:var(--r-xl);border:1px solid var(--ln);box-shadow:none}
.account-section-heading h2{display:flex;align-items:center;gap:8px}
.account-section-heading h2::before{content:"";width:5px;height:18px;border-radius:3px;background:var(--br)}
.account-balance-body strong{font-size:40px}
.account-metrics>*{background:var(--br-bg)}.account-metrics>*:nth-child(2){background:#e6f8f1}.account-metrics>*:nth-child(2) strong{color:var(--ok)}.account-metrics>*:nth-child(3){background:var(--or-bg)}.account-metrics>*:nth-child(3) strong{color:var(--or-d)}.account-metrics>*:nth-child(4){background:var(--bad-bg)}.account-metrics>*:nth-child(4) strong{color:var(--bad)}
.account-courses a{display:flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--ln);border-radius:var(--r);color:var(--tx)}.account-courses a:hover{border-color:var(--br-ln);background:var(--br-bg)}.account-courses a span:last-child{margin-left:auto;color:var(--br);font-size:13px}
@media(max-width:860px){
 .account-page{grid-template-columns:minmax(0,1fr)}.account-balance-section,.account-page>.invitation-entry{grid-column:1!important}
 .account-profile{grid-template-columns:minmax(0,1fr);padding:22px 18px}.ac-cards{grid-column:1;grid-row:auto;grid-template-columns:1fr 1fr;min-width:0}
}

/* ===== 19. 专区配色：专区内所有页面（专区、课程、阅读、词卡、弹窗）使用该专区的主色 ===== */
body[data-zone="kaoyan"] main,body[data-zone="kaoyan"] dialog,body[data-zone="kaoyan"] #word-popover{--br:#4b3bd6;--br-d:#3e30af;--br-dd:#2e2585;--br-l:#7366df;--br-bg:#f1effc;--br-ln:#d7d4f6}
body[data-zone="cet4"] main,body[data-zone="cet4"] dialog,body[data-zone="cet4"] #word-popover{--br:#0e9f75;--br-d:#0b8260;--br-dd:#096349;--br-l:#43b493;--br-bg:#ecf7f4;--br-ln:#caeae1}
body[data-zone="cet6"] main,body[data-zone="cet6"] dialog,body[data-zone="cet6"] #word-popover{--br:#d98200;--br-d:#b26b00;--br-dd:#875100;--br-l:#e19e38;--br-bg:#fcf5eb;--br-ln:#f7e4c7}
body[data-zone="tem4"] main,body[data-zone="tem4"] dialog,body[data-zone="tem4"] #word-popover{--br:#d6336c;--br-d:#af2a59;--br-dd:#852043;--br-l:#df608c;--br-bg:#fceff3;--br-ln:#f6d2df}
body[data-zone="tem8"] main,body[data-zone="tem8"] dialog,body[data-zone="tem8"] #word-popover{--br:#7048e8;--br-d:#5c3bbe;--br-dd:#452d90;--br-l:#8f70ed;--br-bg:#f4f0fd;--br-ln:#e0d7fa}
body[data-zone="ielts"] main,body[data-zone="ielts"] dialog,body[data-zone="ielts"] #word-popover{--br:#1c7ed6;--br-d:#1767af;--br-dd:#114e85;--br-l:#4e9adf;--br-bg:#edf5fc;--br-ln:#cde3f6}
body[data-zone="toefl"] main,body[data-zone="toefl"] dialog,body[data-zone="toefl"] #word-popover{--br:#0c8599;--br-d:#0a6d7d;--br-dd:#07525f;--br-l:#41a0af;--br-bg:#ecf5f7;--br-ln:#cae4e9}
body[data-zone="gre"] main,body[data-zone="gre"] dialog,body[data-zone="gre"] #word-popover{--br:#3b5bdb;--br-d:#304bb4;--br-dd:#253888;--br-l:#667fe3;--br-bg:#eff2fc;--br-ln:#d4dbf7}
body[data-zone="primary"] main,body[data-zone="primary"] dialog,body[data-zone="primary"] #word-popover{--br:#e8590c;--br-d:#be490a;--br-dd:#903707;--br-l:#ed7e41;--br-bg:#fdf2ec;--br-ln:#fadaca}
body[data-zone="junior"] main,body[data-zone="junior"] dialog,body[data-zone="junior"] #word-popover{--br:#5c940d;--br-d:#4b790b;--br-dd:#395c08;--br-l:#80ac42;--br-bg:#f2f6ec;--br-ln:#dbe7ca}
body[data-zone="senior"] main,body[data-zone="senior"] dialog,body[data-zone="senior"] #word-popover{--br:#1864ab;--br-d:#14528c;--br-dd:#0f3e6a;--br-l:#4b86bd;--br-bg:#edf3f8;--br-ln:#ccdded}
body[data-zone="university"] main,body[data-zone="university"] dialog,body[data-zone="university"] #word-popover{--br:#a61e4d;--br-d:#88193f;--br-dd:#671330;--br-l:#ba5074;--br-bg:#f8edf1;--br-ln:#ebced8}
/* 词性配色：名词蓝、动词红、形容词紫、副词绿、代词琥珀、介词青、短语粉（不随专区变化） */
[data-pos=noun]{--pos-ink:#275eaa;--pos-bg:#e2edff;--pos-bd:#a8c7f0}
[data-pos=verb]{--pos-ink:#b94b32;--pos-bg:#ffebe2;--pos-bd:#edb09a}
[data-pos=adjective]{--pos-ink:#7a47af;--pos-bg:#f0e5fc;--pos-bd:#cdb1e6}
[data-pos=adverb]{--pos-ink:#15816a;--pos-bg:#def5ed;--pos-bd:#99d4c2}
[data-pos=pronoun]{--pos-ink:#a86c14;--pos-bg:#fff0cb;--pos-bd:#e8c177}
[data-pos=preposition]{--pos-ink:#167e99;--pos-bg:#def3fa;--pos-bd:#99cdda}
[data-pos=phrase]{--pos-ink:#8b596d;--pos-bg:#f7e8ef;--pos-bd:#d9b0c3}
.story .word[data-pos]{background:var(--pos-bg);color:var(--pos-ink);box-shadow:inset 0 -2px 0 var(--pos-bd)}
.story .word[data-pos]:hover{background:var(--pos-bd)}
.story .word[data-pos].selected{background:var(--pos-ink);color:#fff;box-shadow:none}
.exercise-hint[data-pos]{background:var(--pos-bg);color:var(--pos-ink)}
.pos-badge[data-pos]{background:var(--pos-bg);color:var(--pos-ink)}
.banner{background:radial-gradient(420px 220px at 88% 25%,var(--br-l) 0,transparent 70%),linear-gradient(150deg,var(--br),var(--br-d) 62%,var(--br-dd))}
.notebook-masthead,.account-profile,.wallet-balance,.invite-hero{background:radial-gradient(420px 220px at 88% 25%,var(--br-l) 0,transparent 70%),linear-gradient(150deg,var(--br),var(--br-d) 62%,var(--br-dd))}
.notebook-review .notebook-masthead{background:radial-gradient(380px 200px at 90% 20%,#ff9d5c 0,transparent 70%),linear-gradient(150deg,#e8590c,#c2410c 70%,#9a3412)}
.vocab-card.selected{background:var(--br-bg);border-color:var(--br)}

.wallet-page,.withdraw-page,.invite-center{grid-template-columns:minmax(0,1fr)}

.reader-bottom button,.lesson-neighbors button,.reader-book-links button,.mode-tabs button,.save-word-button,.word-card-actions button,.sec-tools button{white-space:nowrap}
.reader-bottom{gap:6px}.page-count{text-align:center;line-height:1.3}
@media(max-width:520px){.reader-bottom button{padding:0 12px;font-size:13px}.page-count{font-size:12px}}
@media(max-width:720px){
 .table-wrap{border:0;overflow:visible}
 .vocabulary-table{min-width:0;display:block}.vocabulary-table thead{display:none}.vocabulary-table tbody{display:grid;gap:10px}
 .vocabulary-table tr{display:grid;grid-template-columns:auto 1fr auto;grid-template-areas:"w i p" "m m m" "a a a";gap:4px 10px;align-items:center;padding:12px 14px;border:1.5px solid var(--ln);border-radius:var(--r-l);background:#fff}
 .vocabulary-table td{display:block;padding:0;border:0}
 .vocabulary-table td:nth-child(1){display:none}
 .vocabulary-table td:nth-child(2){grid-area:w}.vocabulary-table td:nth-child(3){grid-area:i}.vocabulary-table td:nth-child(4){grid-area:p}
 .vocabulary-table td:nth-child(5){grid-area:m;font-weight:700}.vocabulary-table td:nth-child(6){grid-area:a;margin-top:4px}
 .vocabulary-table tr:hover td{background:transparent}
 .reference-tools span{flex:1 0 100%;order:3}
}
@media(max-width:720px){.vocabulary-table tbody{grid-template-columns:minmax(0,1fr)}.vocabulary-table tr{min-width:0}.mini-actions{flex-wrap:wrap}}

/* ===== 20. 弹窗内的表单行 ===== */
.profile-contacts{display:grid;gap:8px;margin:6px 0}
.profile-contacts>div{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg);border-radius:var(--r)}
.profile-contacts span{color:var(--tx3);font-size:13px;min-width:48px}.profile-contacts strong{flex:1;font-size:14.5px;overflow-wrap:anywhere}
.profile-contacts button{border-radius:99px;padding:4px 14px;font-size:13px;background:var(--br-bg);border-color:transparent;color:var(--br)}
#profile-save,#modal .account-primary,#modal form>button[type=submit]:not(.lp-btn){width:100%;height:46px;border-radius:12px;margin-top:6px}
.recharge-pay-method{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--bg);border-radius:var(--r)}
.recharge-pay-method>span{font-size:13.5px;color:var(--tx2);font-weight:600}
.recharge-provider{position:relative;display:flex;align-items:center;justify-content:center;width:auto;height:44px;padding:0 18px;border-radius:12px;border:2px solid var(--br);background:#fff}
.recharge-provider img{height:24px;width:auto;display:block}
.recharge-provider i{position:absolute;right:-8px;top:-8px;width:20px;height:20px;border-radius:50%;background:var(--br);color:#fff;font-size:12px;font-style:normal;display:grid;place-items:center}
.recharge-amount{display:flex;align-items:center;gap:8px}
.recharge-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.recharge-presets button{border-radius:12px;height:42px}
.recharge-heading{display:grid;gap:2px}.recharge-heading h2{font-size:22px}
@media(max-width:520px){.recharge-presets{grid-template-columns:repeat(2,1fr)}}
.invite-share-divider{height:auto!important;background:none!important;display:flex;align-items:center;gap:10px;color:var(--tx3);font-size:12.5px}
.invite-share-divider::before,.invite-share-divider::after{content:"";flex:1;height:1px;background:var(--ln)}
.invite-kicker{color:var(--br)}.invite-hero .invite-kicker{color:#ffd8a8}
.withdraw-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap}
.withdraw-heading p{color:var(--tx3);font-size:14px}
.withdraw-page .invite-primary{height:44px;padding:0 22px;border-radius:99px}
.withdraw-metrics>*{display:flex;flex-direction:column;gap:2px;font-size:13px;color:var(--tx3)}.withdraw-metrics strong,.withdraw-metrics b{font-size:22px;color:var(--br)}

/* ===== 21. 新导航：手机底部标签栏 / 电脑左侧栏 ===== */
#library,#saved,#wrongbook{display:none!important}
#tabbar{position:fixed;z-index:35;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);background:#ffffffee;backdrop-filter:saturate(1.6) blur(14px);border-top:1px solid var(--ln);padding:6px 6px calc(6px + env(safe-area-inset-bottom,0px))}
#tabbar a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 0;border-radius:14px;color:var(--tx3);font-size:11.5px;font-weight:600}
#tabbar a[aria-current=page]{color:var(--br)}
#tabbar a[aria-current=page] svg{stroke-width:2.2}
body.reading #tabbar{display:none}
body{padding-bottom:calc(70px + env(safe-area-inset-bottom,0px))}
body.reading{padding-bottom:0}
@media(max-width:899px){
 body.signed-in #site-nav,body.signed-in #menu-toggle{display:none!important}
}
#topnav{display:none}
@media(min-width:900px){
 #tabbar{display:none}
 body{padding-bottom:0}
 #topnav{display:flex;gap:4px;margin-left:28px}
 #topnav a{padding:8px 16px;border-radius:99px;font-size:15px;font-weight:600;color:var(--tx2)}
 #topnav a:hover{background:var(--bg);color:var(--tx)}
 #topnav a[aria-current=page]{background:var(--br-bg);color:var(--br)}
}

/* ===== 22. 学习路径 ===== */
.path-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 32px;flex-wrap:wrap}
.path-title{min-width:0;flex:1 1 320px}
.path-back{background:#ffffff1f;border:1px solid #ffffff33;color:#fff;border-radius:99px;padding:4px 14px;font-size:13px;margin-bottom:10px}
.path-back:hover{background:#ffffff33;color:#fff}
.path-title h1{color:#fff;font-size:clamp(26px,3vw,36px);font-weight:800}
.path-title p{color:#ffffffcc;margin-top:4px;font-size:14.5px}
.path-ring{position:relative;width:96px;height:96px;display:grid;place-items:center;text-align:center;flex:none}
.path-ring svg{position:absolute;inset:0;width:100%;height:100%}
.path-ring b{font-size:22px;line-height:1;display:block}.path-ring small{display:block;font-size:11px;color:#ffffffcc}
.path-ring b,.path-ring small{position:relative}
.course-tabs{display:flex;gap:10px;margin-top:16px;overflow-x:auto;padding-bottom:2px}
.course-tabs button{flex:1 0 220px;text-align:left;padding:14px 18px;border-radius:var(--r-l);background:#fff;border:1.5px solid var(--ln);display:grid;gap:2px}
.course-tabs button b{font-size:16px;color:var(--tx)}.course-tabs button small{color:var(--tx3);font-size:12.5px;font-weight:500}
.course-tabs button.active{border-color:var(--br);background:var(--br-bg)}.course-tabs button.active b{color:var(--br)}
.path-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:18px 0 14px}
.path-bar .go-btn{height:46px;padding:0 24px;border-radius:99px;display:inline-flex;align-items:center;gap:10px;border:0;color:#fff;font-weight:700}
.path-bar .go-btn span{font-weight:500;opacity:.9;font-size:13px}
.path-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.path-tools input{border-radius:99px;padding-inline:18px;min-width:180px}
.path{list-style:none;margin:0;padding:0;position:relative;display:grid;gap:0}
.pt a{position:relative;display:flex;align-items:center;gap:14px;padding:12px 14px 12px 0;color:var(--tx)}
.pt-node{position:relative;z-index:1;flex:none;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid var(--ln);color:var(--tx3);font-weight:800;font-size:14px}
.pt::before{content:"";position:absolute;left:19px;top:0;bottom:0;width:2px;background:var(--ln)}
.pt{position:relative}.pt:first-child::before{top:50%}.pt:last-child::before{bottom:50%}
.pt-body{flex:1;min-width:0;padding:10px 16px;background:#fff;border:1px solid var(--ln);border-radius:var(--r);transition:.15s}
.pt a:hover .pt-body{border-color:var(--br-ln);background:var(--br-bg)}
.pt-body small{display:block;font-size:12px;color:var(--tx3)}.pt-body b{display:block;font-size:15.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pt-tag{flex:none;font-size:12px;font-weight:700;color:var(--tx3);background:var(--bg);padding:3px 11px;border-radius:99px}
.pt.done .pt-node{background:var(--br);border-color:var(--br);color:#fff}
.pt.done .pt-tag{background:var(--ok-bg);color:var(--ok)}
.pt.ongoing .pt-node,.pt.current .pt-node{border-color:var(--br);color:var(--br);box-shadow:0 0 0 5px var(--br-bg)}
.pt.ongoing .pt-tag{background:var(--or-bg);color:var(--or-d)}
.pt.free .pt-tag,.pt.trial .pt-tag{background:var(--br-bg);color:var(--br)}
.pt.locked .pt-node{background:var(--bg)}.pt.locked .pt-body b{color:var(--tx2)}
.pt.current .pt-body{border-color:var(--br);box-shadow:0 10px 24px -14px var(--br)}
@media(max-width:720px){.path-head{padding:20px 18px}.path-ring{width:80px;height:80px}.course-tabs button{flex-basis:200px}}

/* ===== 23. 学习流程：读 → 练 → 结 ===== */
main.reader-main{max-width:860px;padding-top:0}
.rd-top{position:sticky;top:0;z-index:25;display:flex;align-items:center;gap:10px;margin:0 calc(var(--gut)*-1);padding:10px var(--gut);background:#ffffffee;backdrop-filter:blur(10px)}
.rd-icon{width:38px;height:38px;padding:0;border-radius:50%;font-size:22px;line-height:1;border:0;background:var(--bg);color:var(--tx2)}
.rd-title{flex:1;min-width:0;text-align:center}.rd-title small{display:block;font-size:12px;color:var(--tx3)}.rd-title b{display:block;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rd-progress{height:4px;margin:0 calc(var(--gut)*-1);background:var(--br-bg)}.rd-progress i{display:block;height:100%;background:var(--br);border-radius:0 3px 3px 0;transition:width .3s}
.rd-steps{display:flex;align-items:center;gap:6px;margin:16px 0 14px;flex-wrap:wrap}
.rd-group{margin-right:auto;font-size:13px;font-weight:700;color:var(--tx3)}
.rd-steps button{display:flex;align-items:center;gap:7px;border-radius:99px;padding:6px 14px 6px 8px;font-size:13.5px;background:#fff}
.rd-steps button i{width:22px;height:22px;border-radius:50%;background:var(--bg);color:var(--tx3);display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800}
.rd-steps button.active{background:var(--br);border-color:var(--br);color:#fff}.rd-steps button.active i{background:#ffffff33;color:#fff}
.rd-stage{background:#fff;border:1px solid var(--ln);border-radius:var(--r-xl);padding:20px 24px 22px;box-shadow:var(--sh-s)}
.rd-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:14px;margin-bottom:6px;border-bottom:1px solid var(--ln)}
.rd-tools .type-controls{margin-left:auto}
.chip-btn{border-radius:99px;background:var(--br-bg);border-color:transparent;color:var(--br);font-size:13px;padding:6px 14px}
.switch{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;cursor:pointer;user-select:none}
.switch input{position:absolute;opacity:0;width:0;height:0}.switch span{width:38px;height:22px;border-radius:99px;background:var(--ln);position:relative;transition:.15s}
.switch span::after{content:"";position:absolute;left:3px;top:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.15s;box-shadow:var(--sh-s)}
.switch input:checked+span{background:var(--br)}.switch input:checked+span::after{left:19px}
.rd-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--ln)}
.rd-foot button{border-radius:99px;height:44px;padding:0 22px}
.rd-foot .big,.big{height:48px;padding:0 28px;font-size:15.5px;font-weight:700;border-radius:99px;border:0;color:#fff}
.btn-or.big{background:var(--or);box-shadow:0 10px 24px -10px #ff8a1faa}.btn-or.big:hover{background:var(--or-d);color:#fff}
#to-summary:not(.ready){background:var(--br-bg);color:var(--br);box-shadow:none}
.meter{height:8px;border-radius:99px;background:var(--br-bg);overflow:hidden;margin:10px 0 4px}.meter i{display:block;height:100%;background:var(--br);border-radius:99px;transition:width .3s}
.story.practice .word{pointer-events:auto}
.sm-hero{display:flex;align-items:center;gap:18px;margin-bottom:14px}
.sm-hero h2{font-size:22px;font-weight:800}.sm-hero p{color:var(--tx2);font-size:14px;margin-top:2px}
.sm-ring{flex:none;width:84px;height:84px;border-radius:50%;background:conic-gradient(var(--br) 0 100%);display:grid;place-items:center;text-align:center;position:relative}
.sm-ring::before{content:"";position:absolute;inset:8px;background:#fff;border-radius:50%}
.sm-ring b,.sm-ring small{position:relative;display:block;line-height:1.1}.sm-ring b{font-size:26px;color:var(--br)}.sm-ring small{font-size:11px;color:var(--tx3)}
.sm-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.sm-row{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg);border-radius:var(--r);flex-wrap:wrap}
.sm-row .card-word{font-size:17px;min-width:96px;text-align:left}.sm-m{flex:1;min-width:0;display:flex;align-items:center;gap:8px;font-size:14px}
.sm-row em{font-style:normal;font-size:12px;font-weight:700;padding:2px 10px;border-radius:99px;background:#fff;color:var(--tx3)}
.sm-row.correct em{background:var(--ok-bg);color:var(--ok)}.sm-row.hinted em{background:var(--warn-bg);color:var(--warn)}.sm-row.wrong em,.sm-row.retry em{background:var(--bad-bg);color:var(--bad)}
.menu-list{display:grid;gap:8px;margin-top:10px}.menu-list button{text-align:left;height:48px;border-radius:var(--r)}
.done-screen{display:grid;justify-items:center;text-align:center;gap:10px;padding:48px 16px}
.done-badge{width:92px;height:92px;border-radius:50%;background:var(--br);color:#fff;display:grid;place-items:center;font-size:44px;box-shadow:0 0 0 12px var(--br-bg)}
.done-screen h1{font-size:30px;font-weight:800;margin-top:10px}.done-screen p{color:var(--tx2)}
.done-actions{display:grid;gap:10px;width:min(420px,100%);margin-top:16px}.done-actions button{height:48px;border-radius:99px}
@media(max-width:720px){.rd-stage{padding:16px 16px 18px}.rd-steps button{padding:5px 10px 5px 6px;font-size:12.5px}.rd-foot button{padding:0 16px}.rd-foot .big{padding:0 20px}.sm-row .card-word{min-width:0}}

/* ===== 24. 词本 ===== */
.book-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px 30px}
.book-head h1{color:#fff;font-size:clamp(24px,3vw,32px);font-weight:800}
.book-head.wrong{background:radial-gradient(380px 200px at 90% 20%,#ff9d5c 0,transparent 70%),linear-gradient(150deg,#e8590c,#c2410c 70%,#9a3412)}
.book-total{text-align:right;color:#ffffffcc;font-size:13px}.book-total b{display:block;font-size:36px;line-height:1;color:#fff}
.book-switch{display:inline-flex;background:#fff;border:1px solid var(--ln);border-radius:99px;padding:3px;margin:16px 0 12px}
.book-switch a{padding:7px 22px;border-radius:99px;font-weight:700;font-size:14px;color:var(--tx2)}.book-switch a.active{background:var(--br);color:#fff}
.book-tools{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}.book-tools input{flex:1 1 240px;border-radius:99px;padding-inline:18px}.book-tools select{border-radius:99px}
.book-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}.book-actions button{border-radius:99px}.book-actions .muted{margin-left:auto;font-size:13px}
.book-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:12px}
.bk{display:flex;gap:10px;padding:14px 16px;background:#fff;border:1.5px solid var(--ln);border-radius:var(--r-l)}
.bk-main{flex:1;min-width:0;display:grid;gap:4px}.bk-w{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.bk-m{font-weight:700}
.bk-err{font-size:13px;color:var(--tx2);background:var(--bad-bg);border-radius:var(--r-s);padding:6px 10px}.bk-err del{color:var(--bad)}.bk-err b{color:var(--bad)}.bk-err b.ok{color:var(--ok)}
.bk-src{font-size:12.5px;color:var(--br);font-weight:600}
.bk-side{display:flex;flex-direction:column;gap:6px}
@media(max-width:720px){.book-list{grid-template-columns:minmax(0,1fr)}.book-head{padding:18px}}

body.reading>header{display:none}
.sm-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;align-items:center;gap:4px 8px}
.sm-row .card-word{min-width:0;grid-column:1;text-align:left;overflow-wrap:anywhere}
.sm-row .sm-m{grid-column:1/-1;grid-row:2;flex-wrap:wrap}
.sm-row em{grid-column:2}
body.reading>header{display:none!important}
.path,.pt,.pt a{min-width:0}.pt-body{min-width:0}

/* 路径页的圈、专区选择页、小结圈 */
.path-stat{display:grid;justify-items:center;gap:6px;flex:none;color:#ffffffcc;font-size:12.5px}
.ring-box{position:relative;width:88px;height:88px;display:grid;place-items:center}
.ring-box svg{position:absolute;inset:0;width:100%;height:100%}
.ring-box b{position:relative;font-size:22px;line-height:1;color:#fff}
.pick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px;margin-top:20px}
.pick{display:flex;flex-direction:column;gap:8px;padding:26px 28px;background:#fff;border:1.5px solid var(--ln);border-radius:var(--r-xl);color:var(--tx);transition:.18s}
.pick:hover{border-color:var(--br);transform:translateY(-3px);box-shadow:var(--sh)}
.pick-top{display:flex;justify-content:space-between;align-items:center}
.pick-state{font-size:12.5px;color:var(--tx3);font-weight:600}.pick-state.on{color:var(--ok)}
.pick-num{display:flex;align-items:baseline;gap:8px;margin-top:6px}.pick-num b{font-size:46px;line-height:1.1;font-weight:800;color:var(--br)}.pick-num span{color:var(--tx3);font-size:14px}
.pick h3{font-size:17px;font-weight:800;line-height:1.5}
.pick-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px}.pick-foot small{color:var(--tx3);font-size:13px}
.sm-ring{background:conic-gradient(var(--br) calc(var(--p,0)*1%),var(--br-bg) 0)!important}
.sm-ring::before{inset:9px!important}
.sm-ring>div{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
.sm-ring b{font-size:28px;color:var(--br)}.sm-ring small{margin-top:3px;font-size:11.5px;color:var(--tx3)}
.path-back{display:inline-block;margin-bottom:10px}

/* ===== 25. 容器重设计：无描边的柔和表面、色彩渐染背景代替大色块 ===== */
:root{--card-sh:0 1px 2px #1b16630a,0 16px 36px -24px #1b166366;--r-card:22px}
#nav-agent{display:none!important}
main{position:relative;z-index:0}
main:not(.lp-main):not(.reader-main)::before{content:"";position:absolute;left:50%;top:-18px;width:100vw;margin-left:-50vw;height:300px;background:linear-gradient(180deg,var(--br-bg) 0,#f6f6fb00 100%);z-index:-1;pointer-events:none}
main:has(.book-head.wrong)::before{background:linear-gradient(180deg,#fff0e5 0,#f6f6fb00 100%)!important}
/* 白色表面：不描边，用阴影托起 */
.account-section,.rd-stage,.cc,.pick,.bk,.invite-section,.invite-rules,.withdraw-form,.legal-layout,.tutorial-article,.wallet-table,.invite-journey article,.invite-overview>div,.account-progress-item,.profile-menu,.course-tabs button{border:0!important;box-shadow:var(--card-sh)!important;border-radius:var(--r-card)}
.wallet-table{box-shadow:none!important}
.pick:hover,.cc:hover{box-shadow:0 22px 44px -22px #1b166380!important}
/* 横幅：不再是一大块饱和色，而是页面顶部的柔和色彩 */
.banner{background:none!important;box-shadow:none!important;color:var(--tx)!important;border-radius:0;overflow:visible;padding:8px 0 4px!important}
.banner::before{display:none!important}
.banner h1,.path-title h1,.zone-head h1,.course-head h1,.book-head h1{color:var(--tx)!important}
.zone-head-k{color:var(--br)!important}
.path-title p,.book-total{color:var(--tx2)!important}.book-total b{color:var(--br)!important}
.path-back{background:#fff!important;border:0!important;color:var(--tx2)!important;box-shadow:var(--card-sh)}.path-back:hover{color:var(--br)!important}
.path-stat{color:var(--tx3)!important}.ring-box b{color:var(--br)}
.ring-box circle:first-child{stroke:var(--br-ln)}.ring-box circle:last-child{stroke:var(--br)}
.book-head.wrong h1{color:var(--tx)!important}
/* 路径：节点 + 文字，不再每行一个方框 */
.pt-body{background:transparent!important;border:0!important;box-shadow:none!important;border-radius:16px}
.pt a:hover .pt-body{background:#fff!important;box-shadow:var(--card-sh)!important}
.pt.current .pt-body{background:var(--br-bg)!important;box-shadow:none!important}
.pt-node{box-shadow:0 0 0 4px var(--bg)}
/* 小结 / 词本：同一块表面里的分隔线 */
.sm-list{gap:0}.sm-row{background:transparent!important;border-radius:0!important;border-bottom:1px solid #f0eff7;padding:12px 2px!important}.sm-row:last-child{border-bottom:0}
.bk-err{background:var(--bad-bg)}
/* 输入框：浅底填充，聚焦时变白并描边 */
input,select,textarea{background:#f3f3f9;border:1.5px solid transparent;border-radius:14px}
input:focus,select:focus,textarea:focus{background:#fff;border-color:var(--br)}
.lp .nm,.lp .pl:not(.hot){border-color:transparent!important;box-shadow:var(--card-sh)}

/* ===== 26. 回想练习：提示词 + 输入框合成一个胶囊 ===== */
.exercise-token{display:inline-flex!important;align-items:center;gap:0!important;margin:4px 3px!important;padding:3px;border:1.5px solid var(--ln);border-radius:15px;background:#fff;vertical-align:middle;flex-wrap:nowrap!important;transition:.15s}
.exercise-token:focus-within{border-color:var(--br);box-shadow:0 0 0 3px var(--br-bg)}
.exercise-token:has(.blank.correct){border-color:var(--ok);background:var(--ok-bg)}
.exercise-token:has(.blank.wrong),.exercise-token:has(.blank.retry){border-color:var(--bad);background:var(--bad-bg)}
.exercise-token:has(.blank.hinted){border-color:var(--warn);background:var(--warn-bg)}
.exercise-token .exercise-hint,.exercise-token>.word{border-radius:12px!important;padding:4px 11px!important;white-space:nowrap;font-size:.86em;margin:0!important;box-shadow:none!important}
.exercise-field{display:inline-flex}
.exercise-token .blank{border:0!important;background:transparent!important;min-height:34px!important;width:var(--blank-width,150px);padding:0 34px 0 12px!important;font-size:.9em;font-family:var(--mono);box-shadow:none!important}
.exercise-token .blank::placeholder{color:#a9aac2;font-family:var(--font);font-size:.92em}
.exercise-token .blank.correct{color:#087f5b}
.field-result{padding:0 8px 0 2px;min-width:18px;text-align:center}
.answer-hint{right:2px!important}

/* ===== 27. 阅读页：电脑右侧常驻本组词汇；手机用按钮升起 ===== */
.rd-layout{display:block}
.rd-words{display:none}
.rd-words-btn{position:fixed;right:16px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:30;height:48px;padding:0 20px;border-radius:99px;border:0;background:var(--br);color:#fff;font-weight:700;box-shadow:0 16px 30px -10px var(--br)}
.rd-words-btn b{display:inline-grid;place-items:center;min-width:22px;height:22px;margin-left:6px;border-radius:99px;background:#ffffff33;font-size:12px}
.wp-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.wp-head h2{font-size:17px;font-weight:800}.wp-head h2 span{font-size:13px;color:var(--br);background:var(--br-bg);border-radius:99px;padding:1px 10px;margin-left:4px}
.wp-list{display:grid;gap:12px;align-content:start}
.wc{padding:14px 16px;background:var(--bg);border-radius:18px;transition:.15s}
.wc.selected{background:var(--br-bg)}
.wc-h{display:flex;align-items:center;justify-content:space-between}
.wc .card-word{font-size:21px}
.wc-m{display:flex;align-items:center;gap:8px;font-weight:700;margin:4px 0 8px}
.wc-act{display:flex;gap:6px;flex-wrap:wrap}.wc-act button{border-radius:99px;padding:3px 12px;font-size:12.5px;background:#fff;border-color:transparent;color:var(--br)}
.wc .example{background:#fff;margin-top:10px}
.wc-wait{text-align:center;padding:18px 8px;color:var(--tx3)}
.wc-wait h3{font-size:15px;color:var(--tx);margin:12px 0 4px}.wc-wait p{font-size:13px}
.wc-wait-art{display:grid;gap:6px;width:150px;margin:0 auto}.wc-wait-art i{display:block;height:10px;border-radius:6px;background:var(--br-ln)}.wc-wait-art i:nth-child(1){width:55%}.wc-wait-art i:nth-child(3){width:80%}
.wp-sheet .wp-head{margin-top:4px}
@media(min-width:1000px){
 main.reader-main{max-width:1240px}
 .rd-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:20px;align-items:start}
 .rd-words{display:block;position:sticky;top:76px;max-height:calc(100vh - 96px);overflow:auto;padding:18px;background:#fff;border-radius:var(--r-card);box-shadow:var(--card-sh)}
 .rd-words-btn{display:none}
 .rd-steps{max-width:none}
}
.rd-top{background:#fffffff2}

/* ===== 28. 用户中心：横幅改成一整块白色卡片，信息铺满，不再留空 ===== */
.account-page{max-width:1120px;grid-template-columns:repeat(6,minmax(0,1fr))}
.account-page>*{grid-column:1/-1}
.account-profile{display:grid!important;grid-template-columns:minmax(0,1fr) 280px;grid-template-areas:"p c" "s c" "a c";gap:18px 32px;align-items:center;background:#fff!important;color:var(--tx)!important;border-radius:28px!important;padding:28px 32px!important;box-shadow:var(--card-sh)!important}
.account-profile .account-person{grid-area:p}
.account-profile .account-person h2{color:var(--tx)}.account-profile .account-person p,.account-profile .account-contact-summary{color:var(--tx3)!important}
.account-profile .account-avatar{border:4px solid var(--br-bg);box-shadow:none}
.account-profile .account-profile-actions{grid-area:a;display:flex;gap:8px;flex-wrap:wrap}
.account-profile .account-profile-actions button{background:var(--bg)!important;border:0!important;color:var(--tx2)!important}.account-profile .account-profile-actions button:hover{background:var(--br-bg)!important;color:var(--br)!important}
.ac-stats{grid-area:s;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.ac-stats a{display:flex;flex-direction:column;padding:14px 16px;border-radius:18px;background:var(--bg);color:var(--tx2);font-size:13px}
.ac-stats a:hover{background:var(--br-bg)}
.ac-stats b{font-size:28px;line-height:1.15;font-weight:800;color:var(--br)}
.ac-stats a:nth-child(2) b{color:var(--ok)}.ac-stats a:nth-child(3) b{color:var(--or-d)}.ac-stats a:nth-child(4) b{color:var(--bad)}
.ac-cards{grid-area:c;grid-column:auto!important;grid-row:auto!important;min-width:0;align-self:stretch;align-content:center}
.ac-card{background:var(--br-bg)!important;box-shadow:none!important}
.ac-week .bars i.off{background:#fff}
.account-metrics{display:none}
.account-balance-section{grid-column:span 3!important}
.account-page>.invitation-entry{grid-column:span 3!important}
.account-page:has(.account-agent-section) .account-balance-section,.account-page:has(.account-agent-section) .account-agent-section,.account-page:has(.account-agent-section)>.invitation-entry{grid-column:span 2!important}
.account-challenges,.account-progress-section{grid-column:span 3!important}
.account-balance-section,.account-agent-section{align-self:stretch}
.account-page>.invitation-entry{align-self:stretch;margin:0;height:auto}
@media(max-width:900px){
 .account-profile{grid-template-columns:minmax(0,1fr)!important;grid-template-areas:"p" "s" "c" "a"}
 .ac-stats{grid-template-columns:repeat(2,1fr)}.ac-cards{grid-template-columns:1fr 1fr!important}
 .account-balance-section,.account-page>.invitation-entry,.account-challenges,.account-progress-section,.account-agent-section{grid-column:1/-1!important}
}

/* ===== 29. 铺满屏幕、轻量输入框、路径页右栏、用户中心整理 ===== */
:root{--max:100%;--gut:clamp(16px,3vw,48px)}
main{max-width:none;padding-inline:var(--gut)}
body>header{padding:0 var(--gut)}
.site-legal-footer{max-width:none;padding-inline:var(--gut)}
main.reader-main{max-width:none}
.account-page,.wallet-page,.withdraw-page,.invite-center{max-width:1400px}
/* 阅读：正文可读宽度 + 右侧词汇栏吃满剩余空间 */
@media(min-width:1000px){
 .rd-layout{grid-template-columns:minmax(0,1fr) clamp(360px,30vw,460px)}
 .rd-stage .story{max-width:68em}
}
/* 回想练习：行内下划线空格，几乎没有「框」的感觉 */
.exercise-token,.exercise-token:focus-within,.exercise-token:has(.blank.correct),.exercise-token:has(.blank.wrong),.exercise-token:has(.blank.retry),.exercise-token:has(.blank.hinted){display:inline-flex!important;align-items:baseline;gap:4px!important;margin:0 2px!important;padding:0!important;border:0!important;background:transparent!important;border-radius:0!important;box-shadow:none!important}
.exercise-token .exercise-hint,.exercise-token>.word{background:transparent!important;color:var(--pos-ink,var(--br))!important;padding:0!important;font-weight:700;font-size:.92em;box-shadow:none!important}
.exercise-token>.word{border-radius:0!important}
.exercise-field{position:relative;display:inline-flex;align-items:baseline}
.exercise-token .blank{width:var(--blank-width,7em);height:1.55em;min-height:0!important;line-height:1.55;padding:0 22px 0 2px!important;border:0!important;border-bottom:2px solid var(--br-ln)!important;border-radius:0!important;background:transparent!important;font-size:.92em;box-shadow:none!important}
.exercise-token .blank:focus{border-bottom-color:var(--br)!important}
.exercise-token .blank::placeholder{color:#b4b5cb;font-family:var(--font)}
.exercise-token .blank.correct{border-bottom-color:var(--ok)!important;color:#087f5b}
.exercise-token .blank.wrong,.exercise-token .blank.retry{border-bottom-color:var(--bad)!important;color:var(--bad)}
.exercise-token .blank.hinted{border-bottom-color:var(--warn)!important;color:#a86c14}
.answer-hint{width:22px!important;height:22px!important;right:0!important;top:55%!important;font-size:12px!important}
.field-result{padding:0 2px;min-width:0}
/* 章节路径：电脑端左侧章节、右侧课程信息 */
.path-layout{display:block}
.path-side{display:none}
@media(min-width:1100px){
 .path-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:36px;align-items:start}
 .path-side{display:grid;gap:16px;position:sticky;top:84px;padding:24px;background:#fff;border-radius:var(--r-card);box-shadow:var(--card-sh)}
 .path-head .path-stat,.path-bar .path-bar-l{display:none}
 .path-bar{justify-content:flex-end}
}
.ps-ring{display:flex;align-items:center;gap:18px}
.ps-ring .ring-box{flex:none}.ps-ring b{display:block;font-size:18px}.ps-ring small{color:var(--tx3);font-size:13px}
.ps-ring .ring-box b{font-size:22px}
.ps-note{color:var(--tx2);font-size:14px;line-height:1.6}
.path-side .go-btn{width:100%;height:50px;border:0;color:#fff;border-radius:99px;font-weight:700}
/* 用户中心首屏 */
.account-profile{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr) 250px!important;grid-template-areas:"p s c" "a s c"!important;align-items:center}
.account-profile .account-person{align-self:end}
.account-profile .account-profile-actions{align-self:start}
.ac-stats{grid-template-columns:repeat(2,1fr)!important;align-self:stretch}
.ac-stats a{justify-content:center}
.ac-stats b{font-size:26px;white-space:nowrap}
.ac-cards{align-self:stretch}
.account-page{align-items:stretch}
.account-agent-section .agent-statistics{grid-template-columns:repeat(3,1fr)}
.account-agent-section .agent-statistics>*{padding:10px 12px;font-size:12.5px}
.account-agent-section .agent-statistics strong{font-size:20px}
.account-page>.invitation-entry{justify-content:center}
@media(max-width:1180px){
 .account-profile{grid-template-columns:minmax(0,1fr) 250px!important;grid-template-areas:"p c" "a c" "s s"!important}
}
@media(max-width:900px){.account-profile{grid-template-columns:minmax(0,1fr)!important;grid-template-areas:"p" "a" "s" "c"!important}}

/* 手机首页：收紧间距，数据卡片更紧凑 */
@media(max-width:720px){
 .lp .top{padding-bottom:60px}.lp .top::after{height:44px}
 .dash-hero{padding-top:16px;gap:16px}.dash-copy h1{font-size:30px;margin:12px 0 16px}
 .dash-cards{gap:10px;padding:0}
 .lp .nums{margin-top:-14px;gap:10px;grid-template-columns:repeat(2,1fr)}
 .lp .nm{padding:12px 16px;border-radius:16px}.lp .nm b{font-size:24px;line-height:1.1}
 .lp section,.dash section{padding-block:30px 0}.lp .sh{margin-bottom:18px}.lp .sh h2{font-size:23px}.lp .sh p{font-size:14px}
 .lp .grp{margin-bottom:22px}.lp .zg{gap:10px}
 .invitation-entry{margin-top:14px}
}
.ac-streak small{white-space:nowrap}.ac-streak{gap:10px}@media(max-width:520px){.ac-streak .ring{width:40px;height:40px}.ac-streak b{font-size:19px}}

/* ===== 30. 账户类页面（卡密激活 / 钱包 / 代理中心 / 邀请中心）：标题 + 左工作区 + 右操作栏 ===== */
.hub{display:grid;gap:20px;max-width:1280px;margin:0 auto}
.hub-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.hub-back{display:inline-block;margin-bottom:8px;padding:4px 14px;border-radius:99px;background:#fff;color:var(--tx2);font-size:13px;font-weight:600;box-shadow:var(--card-sh)}
.hub-back:hover{color:var(--br)}
.hub-head h1{font-size:clamp(26px,3vw,34px);font-weight:800}.hub-head p{color:var(--tx2);margin-top:2px;font-size:14.5px}
.hub-head .go-btn{display:inline-flex;align-items:center;height:44px;padding:0 24px;border-radius:99px;color:#fff;font-weight:700}
.hub-note{padding:10px 16px;border-radius:14px;background:var(--warn-bg);color:#8a5a00;font-size:14px}
.hub-cols{display:grid;gap:20px;align-items:start}
@media(min-width:1000px){.hub-cols{grid-template-columns:minmax(0,1fr) 380px}.hub-side{position:sticky;top:84px}}
.hub-main,.hub-side{display:grid;gap:20px;min-width:0}
.hub-card{padding:22px 24px;background:#fff;border-radius:var(--r-card);box-shadow:var(--card-sh);min-width:0}
.hub-card h2{font-size:17px;font-weight:800;margin-bottom:2px}.hub-card h2 small{font-size:12.5px;font-weight:500;color:var(--tx3);margin-left:8px}
.hub-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.hub-card.pending{background:var(--warn-bg)}
.hub-search{width:100%;margin:10px 0 12px;border-radius:99px;padding-inline:18px}
.hub-tabs{display:flex;gap:4px;padding:4px;margin-bottom:16px;background:var(--bg);border-radius:99px;width:fit-content;max-width:100%;overflow-x:auto}
.hub-tabs button{border:0;border-radius:99px;padding:7px 18px;font-size:14px;background:transparent;white-space:nowrap}
.hub-tabs button.active{background:#fff;color:var(--br);box-shadow:var(--sh-s)}
.hub-tabs i{font-style:normal;font-size:12px;margin-left:6px;padding:0 7px;border-radius:99px;background:var(--br-bg);color:var(--br)}
.hub-empty{padding:34px 12px;text-align:center;color:var(--tx3)}.hub-empty b{display:block;color:var(--tx);font-size:15px;margin-bottom:4px}.hub-empty p{font-size:13.5px}
/* 兑换码输入 */
.code-box{padding:26px 28px;background:#fff;border-radius:var(--r-card);box-shadow:var(--card-sh);display:grid;gap:10px}
.code-box label{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--br)}
.code-row{display:flex;gap:12px;flex-wrap:wrap}
.code-input{flex:1 1 280px;height:58px;font-family:var(--mono);font-size:20px;letter-spacing:.12em;padding-inline:20px;border-radius:16px}
.code-row .big{height:58px;padding:0 32px;border-radius:16px;font-size:16px;color:#fff;border:0}
.activation-code-help{font-size:13.5px}
/* 余额卡、统计 */
.bal-card{padding:22px 24px;background:var(--br-bg);border-radius:var(--r-card);display:grid;gap:4px}
.bal-card>span{font-size:13px;color:var(--tx3);font-weight:600}.bal-card strong{font-size:38px;line-height:1.15;font-weight:800;color:var(--br)}
.bal-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:10px}.bal-actions .primary{border-radius:99px;height:42px;padding:0 24px}
.bal-link{font-size:14px;font-weight:600}.bal-link.light{color:#fff}
.wallet-hero{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:28px 32px;border-radius:var(--r-card);background:linear-gradient(150deg,var(--br),var(--br-d));color:#fff}
.wallet-hero span{font-size:13.5px;color:#ffffffcc}.wallet-hero strong{display:block;font-size:clamp(34px,5vw,48px);line-height:1.15;font-weight:800}.wallet-hero p{color:#ffffffcc;font-size:13px}
.wallet-hero .btn-or{height:48px;padding:0 30px;border-radius:99px;border:0;color:#fff}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.stat-row>div{display:flex;flex-direction:column;padding:18px 22px;background:#fff;border-radius:var(--r-card);box-shadow:var(--card-sh)}
.stat-row b{font-size:32px;line-height:1.15;font-weight:800;color:var(--br)}.stat-row>div:nth-child(2) b{color:var(--ok)}.stat-row>div:nth-child(3) b{color:var(--or-d)}.stat-row span{font-size:13px;color:var(--tx3)}
.stat-col{display:grid;gap:12px}.stat-col>div{display:flex;flex-direction:column;padding:16px 22px;background:#fff;border-radius:var(--r-card);box-shadow:var(--card-sh)}
.stat-col span{font-size:13px;color:var(--tx3)}.stat-col b{font-size:30px;line-height:1.2;font-weight:800;color:var(--br)}.stat-col small{font-size:14px;font-weight:500}
/* 列表行 */
.rows{display:grid}
.row-l,.act-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 2px;border-bottom:1px solid #f0eff7}
.row-l:last-child,.act-row:last-child{border-bottom:0}
.row-l>div:first-child{min-width:0;display:grid}.row-l b{font-size:14.5px}.row-l small,.act-row span{font-size:12.5px;color:var(--tx3)}
.row-l code,.act-row code{font-family:var(--mono);font-size:13px;color:var(--tx2);word-break:break-all}
.amt{display:flex;flex-direction:column;align-items:flex-end;gap:2px;font-weight:800;font-size:16px;flex:none}
.amt.in{color:var(--ok)}.amt.out{color:var(--tx)}.amt small{font-weight:500}
.act-row>div:first-child{display:grid;min-width:0}.act-row em{font-style:normal;font-size:12.5px;font-weight:700;color:var(--ok)}
.st{font-style:normal;font-size:12px;font-weight:700;padding:2px 10px;border-radius:99px;background:var(--ok-bg);color:var(--ok)}.st.used{background:var(--bg);color:var(--tx3)}
.amt button{border-radius:99px;padding:3px 12px;font-size:12.5px}
/* 购买侧栏：竖排两张 */
.buy-box .purchase-entry-grid{grid-template-columns:1fr;gap:12px;margin-top:12px}
.buy-box .purchase-entry-grid>article{padding:18px 20px;border-radius:18px;gap:6px}
.buy-box .purchase-entry-grid h3{font-size:16px}.buy-box .purchase-entry-grid p{font-size:13px}.buy-box .entry-price{font-size:28px}
.hub-card .agent-entry-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin-top:14px}
/* 邀请 */
.share-card{padding:26px 28px;background:linear-gradient(150deg,var(--br),var(--br-d) 70%,var(--br-dd));border-radius:var(--r-card);color:#fff;display:grid;gap:12px}
.share-k{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:#ffd8a8}
.share-code{font-family:var(--mono);font-size:clamp(30px,5vw,46px);font-weight:800;letter-spacing:.2em;background:#ffffff1f;border-radius:18px;padding:14px 20px;text-align:center;color:#fff}
.share-actions{display:flex;gap:10px;flex-wrap:wrap}.share-actions button{flex:1 1 200px;height:46px;border-radius:99px;font-weight:700}
.share-actions button:first-child{background:#ffffff26;border-color:transparent;color:#fff}
.share-actions .btn-or{border:0;color:#fff;background:var(--or)}
.share-card .hub-search{background:#ffffff1f;color:#fff;margin:0}.share-card .muted{color:#ffffffbb;font-size:13px}
.how{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:12px;counter-reset:s}
.how li{display:grid;gap:2px;padding-left:44px;position:relative;counter-increment:s}
.how li::before{content:counter(s);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:10px;background:var(--br-bg);color:var(--br);display:grid;place-items:center;font-weight:800}
.how b{font-size:15px}.how span{font-size:13.5px;color:var(--tx2)}
.rules{padding-left:18px;display:grid;gap:6px;color:var(--tx2);font-size:13.5px}
.pager{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:12px;font-size:13px;color:var(--tx3)}.pager button{border-radius:99px}
.hub .invite-voucher{background:var(--or-bg);border:0;border-radius:18px}
.hub .wallet-table{box-shadow:none!important}
@media(max-width:720px){.hub-card,.code-box{padding:18px}.stat-row{gap:8px}.stat-row>div{padding:14px}.stat-row b{font-size:24px}.wallet-hero{padding:22px}.code-input{font-size:17px}}

form.code-box#challenge-redeem-form{display:grid!important;gap:10px}
.code-box .code-row{width:100%}
.hub-card .entry-price{font-size:24px;line-height:1.3}.hub-card .entry-price small{font-size:12.5px}

/* ===== 31. 第二轮整理：卡密激活 / 代理中心 重排，路径页手机，用户中心首屏 ===== */
.hub .hub-cols{display:grid}
.bal-chip{display:inline-flex;align-items:center;gap:10px;padding:8px 10px 8px 18px;background:#fff;border-radius:99px;box-shadow:var(--card-sh);font-size:13px;color:var(--tx3);flex-wrap:wrap}
.bal-chip strong{font-size:20px;color:var(--br);font-weight:800}
.bal-chip .primary{height:34px;padding:0 18px;border-radius:99px}
.bal-chip .bal-link{margin-right:8px}
.hub-section{display:grid;gap:14px}
.hub-section-h{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.hub-section-h h2{font-size:19px;font-weight:800}.hub-section-h span{color:var(--tx3);font-size:13.5px}
.hub-section .purchase-entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.hub-section .purchase-entry-grid>article{padding:24px 28px}
.hub-card.compact{padding:16px 22px}
.hub-card.compact .hub-tabs{margin-bottom:8px}
.hub-empty{padding:16px 10px}
/* 卡密激活：醒目的兑换区 */
.redeem-hero{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:8px 40px;align-items:center;padding:34px 40px;border-radius:28px;background:radial-gradient(520px 260px at 92% 0,#ffffff30 0,transparent 70%),linear-gradient(150deg,var(--br),var(--br-d) 65%,var(--br-dd));color:#fff;box-shadow:0 26px 48px -28px var(--br)}
.rh-k{display:block;font-size:12.5px;font-weight:700;letter-spacing:.1em;color:#ffd8a8;margin-bottom:6px}
.rh-copy h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3}
.rh-field{display:flex;gap:6px;padding:6px;background:#fff;border-radius:99px;box-shadow:0 14px 30px -14px #0006}
.rh-field .code-input{flex:1 1 auto;min-width:0;height:54px;border:0!important;background:transparent!important;box-shadow:none!important;font-size:19px;padding-inline:20px;border-radius:99px;color:var(--tx)}
.rh-field .code-input::placeholder{font-family:var(--font);letter-spacing:0;font-size:16px;color:#a9aac2}
.rh-field .big{flex:none;height:54px;padding:0 30px;border-radius:99px;font-size:16px;border:0;color:#fff}
.redeem-hero .form-error{grid-column:2;color:#ffd5d9;min-height:0;margin:0}.redeem-hero .form-error:empty{display:none}
.redeem-hero .activation-code-help{grid-column:2;color:#ffffffcc;font-size:13.5px;margin-top:4px}
@media(max-width:820px){
 .redeem-hero{grid-template-columns:minmax(0,1fr);padding:24px 20px;gap:14px;border-radius:24px}
 .redeem-hero .form-error,.redeem-hero .activation-code-help{grid-column:1}
 .rh-field{flex-direction:column;border-radius:22px;padding:8px;gap:8px}.rh-field .code-input{height:50px;text-align:center}.rh-field .big{width:100%;height:50px}
 .hub-section .purchase-entry-grid{grid-template-columns:minmax(0,1fr)}
}
/* 章节路径：手机与平板用细进度条，不再放大圆环 */
.path-stat{display:grid!important;gap:6px;width:min(340px,100%);justify-items:stretch!important;color:var(--tx2)!important;font-size:13px}
.pbar{height:8px;border-radius:99px;background:var(--br-ln);overflow:hidden}.pbar i{display:block;height:100%;border-radius:99px;background:var(--br)}
.path-head{gap:12px!important}
@media(max-width:1099px){
 .path-bar{flex-direction:column;align-items:stretch;gap:12px;margin-top:12px}
 .path-bar .path-bar-l{display:block!important}.path-bar .go-btn{width:100%;justify-content:center;height:50px}
 .path-tools{width:100%}.path-tools input{flex:1;min-width:0}
}
@media(min-width:1100px){.path-head .path-stat{display:none!important}}
/* 用户中心首屏：左侧资料 + 一行四个数字，右侧连续天数 */
.account-profile{grid-template-columns:minmax(0,1fr) auto 270px!important;grid-template-areas:"p a c" "s s c"!important;gap:18px 24px!important;padding:26px 30px!important}
.account-profile .account-person{align-self:center}
.account-profile .account-profile-actions{align-self:center;justify-self:end}
.ac-stats{grid-template-columns:repeat(4,1fr)!important}
.ac-stats a{padding:12px 16px;justify-content:center}.ac-stats b{font-size:24px}
.ac-cards{align-self:stretch}
@media(max-width:1180px){.account-profile{grid-template-columns:minmax(0,1fr) 250px!important;grid-template-areas:"p c" "a c" "s s"!important}.account-profile .account-profile-actions{justify-self:start;align-self:start}}
@media(max-width:900px){.account-profile{grid-template-columns:minmax(0,1fr)!important;grid-template-areas:"p" "a" "s" "c"!important}.ac-stats{grid-template-columns:repeat(2,1fr)!important}}
form.redeem-hero#challenge-redeem-form{display:grid!important;flex-wrap:nowrap}
@media(max-width:820px){.rh-field .code-input{flex:none!important}form.redeem-hero#challenge-redeem-form{grid-template-columns:minmax(0,1fr)}}
@media(max-width:720px){.pt-body b{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}}

/* ===== 32. 邀请中心：关键信息在最上，列表在最下；用户中心首屏重排 ===== */
.invite-top{display:grid;gap:20px;align-items:stretch}
@media(min-width:1000px){.invite-top{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}}
.how-card{display:grid;gap:12px;align-content:start}
.stat-row small{font-size:15px;font-weight:600}
@media(min-width:1181px){
 .account-profile{grid-template-columns:minmax(0,1.6fr) minmax(0,1.4fr)!important;grid-template-areas:"p a" "s c"!important;align-items:stretch!important;gap:16px 24px!important}
 .account-profile .account-profile-actions{justify-self:end;align-self:center}
 .account-profile .account-person{align-self:center}
 .ac-stats{grid-template-columns:repeat(4,1fr)!important}
 .ac-cards{grid-template-columns:1fr 1.2fr!important;min-width:0!important;align-self:stretch}
 .ac-card{padding:12px 16px!important;display:flex;flex-direction:column;justify-content:center}
 .ac-streak{flex-direction:row!important;align-items:center}
 .ac-week .bars{height:32px!important}
}

/* ===== 33. 弹窗统一重做：付款面板、解锁提示、手机底部抽屉 ===== */
dialog{border-radius:28px;box-shadow:0 40px 90px -30px #1b166399}
dialog:has(.purchase-options){width:min(920px,calc(100vw - 24px))}
dialog:has(.sheet-one){width:min(560px,calc(100vw - 24px))}
#modal:has(>.sheet),#modal:has(>.sheet-one){padding:0}
.sh-k{display:block;font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--br);margin-bottom:6px}
.sh-sub{color:var(--tx2);font-size:14.5px;line-height:1.6}
.sheet{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);min-height:430px}
.sh-left{padding:34px 32px 30px;display:grid;gap:12px;align-content:start}
.sh-left h2{font-size:26px;font-weight:800;margin:0}
.sh-right{padding:34px 32px 30px;background:var(--bg);border-radius:0 28px 28px 0;display:grid;gap:14px;align-content:start}
.plan-list{display:grid;gap:12px;margin-top:8px}
.plan{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:16px 18px;border:1.5px solid var(--ln);border-radius:18px;background:#fff;cursor:pointer;transition:.15s;font-weight:400}
.plan:hover{border-color:var(--br-ln)}
.plan input{position:absolute;opacity:0;pointer-events:none}
.plan-check{width:22px;height:22px;border-radius:50%;border:2px solid var(--ln);display:grid;place-items:center;transition:.15s}
.plan:has(input:checked){border-color:var(--br);background:var(--br-bg)}
.plan:has(input:checked) .plan-check{border-color:var(--br);background:var(--br)}
.plan:has(input:checked) .plan-check::after{content:"";width:8px;height:8px;border-radius:50%;background:#fff}
.plan-copy{display:grid;gap:2px;min-width:0}.plan-copy b{font-size:16px;color:var(--tx)}.plan-copy small{font-size:12.5px;color:var(--tx3)}
.plan-price{display:grid;text-align:right}.plan-price strong{font-size:22px;color:var(--br);line-height:1.15}.plan-price small{font-size:12px;color:var(--tx3)}
.plan-tag{position:absolute;top:-10px;right:16px;font-style:normal;font-size:11.5px;font-weight:800;color:#fff;background:var(--or);padding:2px 12px;border-radius:99px}
.sum{display:grid;gap:2px}.sum small{font-size:12.5px;color:var(--tx3);font-weight:600}
.sum strong{font-size:44px;line-height:1.1;font-weight:800;color:var(--br)}.sum span{font-size:15px;font-weight:700}
.ticks{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:8px;font-size:14px;color:var(--tx2)}
.ticks li{display:flex;gap:10px;align-items:center}.ticks li::before{content:"";flex:none;width:18px;height:18px;border-radius:50%;background:var(--ok-bg) center/10px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='m2.5 6.2 2.4 2.4 4.6-5' fill='none' stroke='%2312b886' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.sh-right .purchase-benefits p{color:var(--tx2);font-size:13.5px;line-height:1.7}
.sh-right .purchase-balance{background:#fff;border-radius:14px;padding:12px 16px;display:flex;justify-content:space-between;align-items:center}
.sh-right .purchase-balance strong{color:var(--tx)}
.sh-right .purchase-methods{grid-template-columns:1fr 1fr}
/* 解锁提示（居中单列） */
.sheet-one{padding:38px 34px 32px;display:grid;justify-items:center;text-align:center;gap:12px}
.sheet-one h2{font-size:24px;font-weight:800;margin:0}
.lock-badge{width:64px;height:64px;border-radius:50%;background:var(--br-bg);color:var(--br);display:grid;place-items:center;box-shadow:0 0 0 8px #fff,0 0 0 9px var(--br-ln)}
.way-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%;margin-top:8px}
.way{display:grid;justify-items:start;gap:3px;text-align:left;padding:18px 18px 16px;border:1.5px solid var(--ln);border-radius:20px;background:#fff;color:var(--tx);font-weight:400;transition:.15s}
.way:hover{border-color:var(--br);transform:translateY(-2px);color:var(--tx)}
.way b{font-size:16px}.way small{font-size:12.5px;color:var(--tx3);line-height:1.5}.way i{font-style:normal;margin-top:8px;font-size:13.5px;font-weight:700;color:var(--br)}
.way-ico{width:38px;height:38px;border-radius:12px;background:var(--br-bg);color:var(--br);display:grid;place-items:center;font-weight:800;margin-bottom:6px}
.way-main{background:var(--br-bg);border-color:var(--br-ln)}.way-main .way-ico{background:var(--br);color:#fff}
.unlock-guest .unlock-actions{display:grid;gap:10px;width:100%;margin-top:6px}.unlock-guest .lp-btn{height:50px;width:100%}
.unlock-guest .unlock-note{font-size:13px;color:var(--tx3)}
/* 手机：从底部升起的抽屉 */
@media(max-width:720px){
 dialog{margin:auto 0 0!important;width:100%!important;max-width:100%!important;max-height:92vh;border-radius:26px 26px 0 0!important}
 dialog:has(.purchase-options),dialog:has(.sheet-one){width:100%!important}
 .sheet{grid-template-columns:minmax(0,1fr);min-height:0}
 .sh-left{padding:26px 22px 8px}.sh-left h2{font-size:23px}
 .sh-right{border-radius:0;padding:20px 22px calc(24px + env(safe-area-inset-bottom,0px))}
 .sum strong{font-size:36px}
 .way-grid{grid-template-columns:1fr}
 .sheet-one{padding:30px 22px calc(26px + env(safe-area-inset-bottom,0px))}
 #modal{padding:24px 20px calc(22px + env(safe-area-inset-bottom,0px))}
}
.plan-list.purchase-scope-options{grid-template-columns:minmax(0,1fr)!important}
.plan{grid-template-columns:auto minmax(0,1fr) auto}

/* ===== 34. 充值、代理提卡、扫码付款、体验券等弹窗 ===== */
.topup{display:grid;gap:14px}
.tp-head h2{font-size:24px;font-weight:800;margin:0}.tp-bal{margin-top:4px;color:var(--tx2);font-size:14px}.tp-bal b{color:var(--br);font-size:18px}
#wallet-topup-form{display:grid;gap:12px}
#wallet-topup-form>label{font-size:13px;font-weight:700;color:var(--tx2)}
.recharge-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.recharge-presets button{height:46px;border-radius:14px;font-size:16px;font-weight:700;background:var(--bg);border:1.5px solid transparent;color:var(--tx)}
.recharge-presets button.active{background:var(--br-bg);border-color:var(--br);color:var(--br)}
.tp-amount{display:flex;align-items:center;gap:8px;padding:0 18px;height:62px;background:var(--bg);border-radius:18px;border:1.5px solid transparent}
.tp-amount:focus-within{background:#fff;border-color:var(--br)}
.tp-amount span{font-size:26px;font-weight:800;color:var(--tx3)}
.tp-amount input{flex:1;height:100%;border:0!important;background:transparent!important;font-size:28px;font-weight:800;padding:0;box-shadow:none!important}
.tp-pay{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--br-bg);border:1.5px solid var(--br);border-radius:16px}
.tp-pay img{height:30px;width:auto}.tp-pay div{flex:1;display:grid}.tp-pay b{font-size:15px}.tp-pay small{font-size:12px;color:var(--tx3)}
.tp-pay i{width:22px;height:22px;border-radius:50%;background:var(--br);color:#fff;display:grid;place-items:center;font-style:normal;font-size:12px}
.recharge-submit{height:52px;border-radius:16px;font-size:16px;font-weight:700;background:var(--br);border-color:var(--br);color:#fff}
.recharge-submit:disabled{background:var(--bg);border-color:var(--bg);color:var(--tx3)}
.recharge-footnote{text-align:center;font-size:12.5px;color:var(--tx3)}
/* 代理提卡 */
.agent-extract{display:grid;gap:14px}
.agent-extract h2{font-size:24px;font-weight:800;margin:0}
.agent-extract-eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--br)}
.agent-extract-product{display:grid;gap:2px;padding:14px 18px;background:var(--br-bg);border-radius:16px}.agent-extract-product span{font-size:12.5px;color:var(--tx3)}.agent-extract-product strong{font-size:18px}.agent-extract-product small{color:var(--br);font-weight:600}
#wallet-buy-form{display:grid;gap:10px}#wallet-buy-form label small{font-weight:400;color:var(--tx3)}
.agent-quantity-control{display:inline-flex;align-items:center;gap:0;background:var(--bg);border-radius:99px;padding:4px;width:fit-content}
.agent-quantity-control button{width:40px;height:40px;border-radius:50%;padding:0;border:0;background:#fff;font-size:20px;box-shadow:var(--sh-s)}
.agent-quantity-control input{width:70px;height:40px;text-align:center;border:0!important;background:transparent!important;font-size:18px;font-weight:800;padding:0;box-shadow:none!important}
.agent-extract-summary{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:14px 16px;background:var(--bg);border-radius:16px}
.agent-extract-summary div{display:grid}.agent-extract-summary span{font-size:12.5px;color:var(--tx3)}.agent-extract-summary b,.agent-extract-summary strong{font-size:20px}.agent-extract-summary strong{color:var(--br)}
.agent-extract-summary p{grid-column:1/-1;font-size:13px;color:var(--tx2)}
.agent-extract-submit{height:50px;border-radius:16px}.agent-extract-footnote{font-size:12.5px;color:var(--tx3);text-align:center}
.agent-created{display:grid;gap:12px}.agent-created h2{font-size:24px;font-weight:800;margin:0}
.agent-created-list{display:grid;gap:6px;max-height:260px;overflow:auto}.agent-created-list>div{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;background:var(--bg);border-radius:12px}.agent-created-list code{font-family:var(--mono);font-size:14px;word-break:break-all}
.agent-created-actions{display:flex;gap:10px}.agent-created-actions button{flex:1;height:46px;border-radius:99px}
/* 扫码付款 */
.alipay-checkout{display:grid;gap:12px;justify-items:center;text-align:center}
.payment-amount-heading{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center}.payment-amount-heading strong{font-size:34px;color:var(--br);width:100%}
.alipay-provider-mark{height:24px}
.payment-main-qr{padding:14px;background:#fff;border-radius:22px;box-shadow:var(--card-sh);width:min(240px,70vw);height:auto}
.alipay-open-button{display:grid;place-items:center;width:100%;height:50px;border-radius:16px;font-weight:700}
.payment-info{text-align:center;font-size:13.5px;color:var(--tx2);min-height:20px}
.payment-query-button{width:100%;height:48px;border-radius:16px}
.wechat-hint{padding:12px 14px;background:var(--warn-bg);border-radius:14px;font-size:13px;color:#8a5a00;text-align:left}.wechat-hint b{display:block}
/* 体验券 / 限时优惠 */
.trial-select,.trial-offer{display:grid;gap:12px;justify-items:center;text-align:center}
.trial-select h2,.trial-offer h2{font-size:24px;font-weight:800;margin:0}
.trial-actions{display:grid;gap:10px;width:100%}.trial-actions button{height:50px;border-radius:99px}
.offer-ticket{width:100%;border-radius:20px;padding:18px 22px;text-align:center}
.reset-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:12px}.reset-actions button{border-radius:99px;height:44px;padding:0 24px}
@media(max-width:520px){.recharge-presets{grid-template-columns:repeat(2,1fr)}.agent-extract-summary{grid-template-columns:1fr}}
.purchase-options label.plan{display:grid!important;grid-template-columns:auto minmax(0,1fr) auto;gap:14px;padding:16px 18px;border:1.5px solid var(--ln);border-radius:18px;background:#fff;flex-wrap:nowrap}
.purchase-options label.plan:has(input:checked){border-color:var(--br);background:var(--br-bg)}
@media(max-width:380px){.plan-price strong{font-size:19px}.plan{padding:14px!important}}

/* 付款区固定：电脑在右列底部，手机固定在抽屉底部，一打开就能看到支付按钮 */
.purchase-options.sheet{grid-template-areas:"l r" "l p";grid-template-rows:auto 1fr}
.purchase-options .sh-left{grid-area:l}
.purchase-options .sh-right{grid-area:r;border-radius:0 28px 0 0;padding-bottom:6px}
.pay-bar{grid-area:p;background:var(--bg);border-radius:0 0 28px 0;padding:6px 32px 30px;display:grid;gap:10px;align-content:end}
.pay-total{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.pay-total span{font-size:13px;color:var(--tx3);font-weight:600}.pay-total b{font-size:26px;color:var(--br);line-height:1.1}.pay-total small{font-size:12.5px;flex:1 1 100%}
.pay-bar .purchase-methods{margin:0}
.pay-bar .form-error{margin:0}.pay-bar .form-error:empty{display:none}
@media(max-width:720px){
 .purchase-options.sheet{grid-template-areas:none;grid-template-rows:none;min-height:0}
 .purchase-options .sh-left,.purchase-options .sh-right,.pay-bar{grid-area:auto}
 .purchase-options .sh-right{border-radius:0}
 .pay-bar{position:sticky;bottom:0;z-index:5;border-radius:20px 20px 0 0;background:#fff;box-shadow:0 -14px 30px -18px #1b166355;padding:14px 20px calc(16px + env(safe-area-inset-bottom,0px))}
 .pay-total b{font-size:22px}
 .recharge-submit,.agent-extract-submit{position:sticky;bottom:0}
}
@media(max-width:720px){
 .pay-bar .purchase-methods{grid-template-columns:1fr 1fr!important;gap:10px}
 .pay-bar .purchase-methods button{height:46px;font-size:14.5px}
 .pay-bar .purchase-methods img{height:20px}
 .sh-right .sum small,.sh-right .sum strong{display:none}
 .sh-right{padding-top:14px!important;gap:10px!important}
 .sh-right .sum span{font-size:16px}
}
.purchase-options.sheet{gap:0!important;row-gap:0!important}
@media(min-width:721px){.pay-total span,.pay-total b{display:none}.pay-total small{font-size:13px}.pay-bar{padding-top:0}}

/* ===== 35. 第三轮：支付宝按钮、手机付款免滚动、卡密兑换入口、首页狐狸、用户中心手机 ===== */
/* 支付宝按钮：蓝底白字，清楚可见 */
#purchase-alipay,.pay-bar #purchase-alipay{background:#1677ff!important;border-color:#1677ff!important;color:#fff!important;font-weight:700;font-size:15.5px}
#purchase-alipay:hover:not(:disabled){background:#0958d9!important;border-color:#0958d9!important}
#purchase-alipay:disabled{background:#8db8ff!important;border-color:#8db8ff!important;color:#fff!important;opacity:1}
#purchase-alipay img{height:22px!important;filter:brightness(0) invert(1)}
#purchase-wallet{font-weight:700;font-size:15.5px}
.pay-total em{font-style:normal;font-weight:700;color:var(--tx)}
.pay-total .bar-balance{flex:none;margin-left:auto;font-size:12.5px;color:var(--tx3)}
@media(min-width:721px){.pay-total em,.pay-total .bar-balance{display:none}}
@media(max-width:720px){
 /* 手机：只保留「选方案 + 付款条」，不需要上下滑 */
 .sheet .sh-sub,.sheet .sh-right{display:none!important}
 .sh-left{padding:22px 20px 14px!important;gap:8px!important}.sh-left h2{font-size:21px!important}
 .sh-k{margin-bottom:2px}
 .plan-list{margin-top:4px;gap:10px}
 .plan{padding:12px 14px!important}.plan-copy b{font-size:15px}.plan-copy small{font-size:12px}.plan-price strong{font-size:20px}
 .pay-bar{position:sticky;bottom:0;margin-top:6px}
 .pay-total{align-items:center}.pay-total b{font-size:24px}
}
/* 卡密兑换条：全站最显眼的入口之一 */
.redeem-bar{display:flex;align-items:center;gap:10px;margin-top:16px;padding:12px 18px;background:var(--or);color:#fff;border-radius:16px;box-shadow:0 14px 28px -14px #ff8a1fcc;font-size:15.5px;width:fit-content;max-width:100%}
.redeem-bar b{font-weight:800}.redeem-bar i{font-style:normal;font-size:20px;margin-left:auto}
.rb-ico{width:28px;height:28px;border-radius:9px;background:#ffffff33;display:grid;place-items:center;font-size:15px}
.redeem-bar:hover{background:var(--or-d);color:#fff}
@media(max-width:720px){.redeem-bar{width:100%;margin-top:12px}}
/* 手机顶栏：始终能看到「使用教程」「卡密激活」 */
@media(max-width:899px){
 body>header{gap:6px}.brand{flex:0 1 auto}.brand-wordmark{font-size:18px}
 body.signed-in #site-nav,body:not(.signed-in) #site-nav{display:flex!important;margin-left:auto;gap:4px}
 #site-nav>button{display:none!important}
 #site-nav>#nav-tutorials,#site-nav>#redeem,body:not(.signed-in) #site-nav>#nav-login{display:inline-flex!important;align-items:center}
 #site-nav>#nav-tutorials,body:not(.signed-in) #site-nav>#nav-login{padding:7px 8px;font-size:13.5px;background:transparent;color:var(--tx2)}
 #site-nav>#redeem{background:var(--or)!important;color:#fff!important;padding:7px 14px;font-size:13.5px;font-weight:700;box-shadow:0 8px 16px -8px #ff8a1fcc}
 body:not(.signed-in) #nav-tutorials{display:inline-flex!important}
 #menu-toggle{display:none!important}
}
.profile-menu .profile-redeem-link{background:var(--or-bg);color:var(--or-d);font-weight:700}
/* 首页：紫色区域更大，狐狸完整露出 */
.dash .top{padding-bottom:150px}
.dash-hero{padding-top:84px!important;gap:44px!important}
.dash-copy h1{font-size:clamp(36px,5vw,60px)}
.dash .fox{right:6px!important;top:-64px!important;width:108px!important;display:block!important;z-index:6}
@media(max-width:860px){
 .dash .top{padding-bottom:70px}
 .dash-hero{padding-top:20px!important;gap:16px!important}
 .dash-cards{position:static!important}
 .dash .fox{position:absolute!important;top:16px!important;right:14px!important;left:auto!important;bottom:auto!important;width:84px!important}
 .dash-copy h1{font-size:30px;max-width:calc(100% - 96px)}
}
/* 用户中心手机：一行一个模块；学习进度条目分行 */
@media(max-width:900px){
 .account-page:has(.account-agent-section) .account-balance-section,.account-page:has(.account-agent-section) .account-agent-section,.account-page:has(.account-agent-section)>.invitation-entry,.account-page .account-balance-section,.account-page>.invitation-entry,.account-challenges,.account-progress-section{grid-column:1/-1!important}
}
.account-progress-item>div{display:grid;gap:3px;min-width:0}
.account-progress-item small{color:var(--tx3);font-size:12.5px}
.account-progress-item strong{font-size:15px;color:var(--tx);font-weight:700}
.account-progress-item>div>span{color:var(--tx2);font-size:13px}
.account-progress-item{align-items:center}
.account-courses a{flex-wrap:wrap}

/* ===== 36. 体验券 / 到期提醒 / 限时折扣：恢复完整视觉 ===== */
.trial-offer,.trial-select{display:grid;gap:12px;justify-items:center;text-align:center}
.offer-eyebrow,.trial-select .invite-kicker{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--or-d)}
.trial-offer h2,.trial-select h2{font-size:26px;font-weight:800;margin:0;line-height:1.3}
.offer-ticket{width:100%;display:grid;gap:4px;justify-items:center;padding:20px 22px;border-radius:22px;background:linear-gradient(145deg,#ff9a3c,#f07400);color:#fff;box-shadow:0 22px 40px -22px #f07400cc}
.offer-ticket>span,.offer-ticket small,.offer-ticket-clock span,.offer-ticket-value span{color:#ffffffe6;font-size:13.5px}
.offer-ticket-value{display:grid;justify-items:center;background:none!important;padding:0!important;color:#fff!important}
.offer-ticket-value strong{font-size:54px;line-height:1;font-weight:800;color:#fff}.offer-ticket-value strong small{font-size:22px;margin-left:2px;color:#fff}
.offer-ticket-clock{display:grid;justify-items:center;gap:2px;margin-top:8px;padding-top:12px;border-top:1px dashed #ffffff80;width:100%}
.offer-clock{font-family:var(--mono);font-size:30px;line-height:1.2;font-weight:800;color:#fff!important;letter-spacing:.04em}
.expiry-ticket .offer-clock{font-size:26px}
.offer-message{color:var(--tx2);font-size:14.5px;line-height:1.7}
.offer-unlock{width:100%;height:54px;border:0;border-radius:99px;background:var(--br);color:#fff;font-size:16.5px;font-weight:800;box-shadow:0 16px 30px -14px var(--br);margin-top:4px}
.offer-unlock:hover{background:var(--br-d);color:#fff}
.offer-code{width:100%;height:46px;border-radius:99px;background:transparent;border:1.5px solid var(--ln);color:var(--tx2);font-weight:600}
.offer-footnote{font-size:12.5px;color:var(--tx3)}
.trial-gift .trial-gift-art{width:92px;height:92px;border-radius:50%;background:var(--or-bg);display:grid;place-items:center}
.trial-gift-icon{width:64px;height:64px}
.trial-actions{display:grid;gap:10px;width:100%;margin-top:6px}
.trial-actions .primary{height:52px;border-radius:99px;font-size:16px;font-weight:800;background:var(--br);color:#fff}
.trial-actions button:not(.primary){height:46px;border-radius:99px}
.trial-select label{align-self:start;font-size:13px;font-weight:700;color:var(--tx2)}
.trial-select select{width:100%;height:50px;border-radius:14px}
#trial-confirm{width:100%;height:52px;border-radius:99px;font-weight:800;font-size:16px}

/* 37 首页「卡密兑换」按钮：与主按钮并排，不再单独占一条 */
.lp .btn-redeem{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--br);border:0;font-weight:800}
.lp .btn-redeem .rb-ico{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:7px;background:var(--or);color:#fff;font-size:13px}
.lp .btn-redeem:hover{background:#fff3e6;color:var(--or-d)}
@media(max-width:720px){.lp.dash .nums{margin-top:14px}}
@media(max-width:420px){.lp.dash .dash-copy h1{font-size:clamp(24px,7vw,30px);white-space:nowrap}}

/* 38 直接开通：全站（主推）+ 单专区（选项标签） */
.buy-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:16px}
.buy-grid article{position:relative;display:flex;flex-direction:column;gap:12px;padding:24px;border-radius:var(--r-card);background:#fff;box-shadow:var(--card-sh)}
.buy-grid h3{margin:0;font-size:22px;line-height:1.25}
.buy-k{font-size:13px;font-weight:800;letter-spacing:.04em;color:var(--br)}
.buy-price{font-size:38px;font-weight:900;line-height:1;color:var(--tx);display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.buy-price small{font-size:14px;font-weight:600;color:var(--tx3,#8a8aa3)}
.buy-grid button#buy-site,.buy-grid button#buy-zone{margin-top:auto;height:50px;border:0;border-radius:14px;font-size:16px;font-weight:800;cursor:pointer}
.buy-all{background:linear-gradient(135deg,#4b3bd6,#6a58f0)!important;color:#fff}
.buy-all .buy-k{color:#ffd9b0}.buy-all h3,.buy-all .buy-price{color:#fff}.buy-all .buy-price small{color:#ffffffb8}
.buy-tag{position:absolute;top:18px;right:18px;font-style:normal;font-size:12px;font-weight:800;padding:5px 11px;border-radius:99px;background:var(--or);color:#fff}
.buy-ticks{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:15px}
.buy-ticks li{padding-left:24px;position:relative}.buy-ticks li::before{content:"✓";position:absolute;left:0;color:#ffd9b0;font-weight:900}
.buy-all button#buy-site{background:#fff;color:var(--br)}.buy-all button#buy-site:disabled{opacity:.7}
.zone-chips{display:flex;flex-wrap:wrap;gap:8px}
.zone-chip{height:38px;padding:0 16px;border-radius:99px;border:1.5px solid var(--ln);background:#fff;color:var(--tx);font-size:15px;font-weight:700;cursor:pointer}
.zone-chip i{font-style:normal;color:#16a34a;margin-left:4px}
.zone-chip.on{border-color:var(--br);background:#efecff;color:var(--br)}
.buy-note{margin:0;font-size:14px;color:var(--tx3,#8a8aa3)}
.buy-zone button#buy-zone{background:var(--or);color:#fff}.buy-zone button#buy-zone:disabled{background:#e4e4ee;color:#9a9ab0}
@media(max-width:720px){.buy-grid{grid-template-columns:1fr}.buy-grid article{padding:20px}.buy-price{font-size:32px}}

/* 39 兑换框：白色卡片 + 虚线券码输入 */
form.redeem-hero#challenge-redeem-form{background:#fff;color:var(--tx);box-shadow:var(--card-sh);padding:28px 32px;gap:10px 32px;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr)}
.redeem-hero .rh-copy{display:flex;align-items:center;gap:16px}
.redeem-hero .rh-ico{flex:none;display:grid;place-items:center;width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,#ffa63d,var(--or));color:#fff;font-size:26px;box-shadow:0 12px 22px -12px #ff8a1fcc}
.redeem-hero .rh-k{color:var(--or-d);margin:0 0 4px}
.redeem-hero .rh-copy h2{color:var(--tx);font-size:clamp(20px,2.2vw,26px)}
.redeem-hero .rh-field{padding:0;background:transparent;box-shadow:none;border-radius:0;gap:12px}
.redeem-hero .rh-field .code-input{height:56px;border:2px dashed #c9c4f5!important;background:#f7f6ff!important;border-radius:16px;text-align:center;font-size:19px;letter-spacing:.14em;color:var(--br)}
.redeem-hero .rh-field .code-input:focus{border-color:var(--br)!important;background:#fff!important;outline:0}
.redeem-hero .rh-field .code-input::placeholder{letter-spacing:0;color:#a9aac2}
.redeem-hero .rh-field .big{height:56px;border-radius:16px;background:var(--br);color:#fff;font-weight:800;box-shadow:0 12px 22px -12px #4b3bd6cc}
.redeem-hero .rh-field .big:hover{background:var(--br-d)}
.redeem-hero .form-error{color:#d92d3a}
.redeem-hero .activation-code-help{color:var(--br);font-weight:600}
@media(max-width:820px){form.redeem-hero#challenge-redeem-form{padding:20px 18px;grid-template-columns:minmax(0,1fr)}.redeem-hero .rh-ico{width:46px;height:46px;font-size:22px;border-radius:14px}.redeem-hero .rh-field{flex-direction:column;border-radius:0;padding:0}.redeem-hero .rh-field .code-input{height:54px}.redeem-hero .rh-field .big{width:100%;height:52px}}

/* 40 首页底部：留白 + 收尾卡片 */
main.lp-main{padding-bottom:72px}
.lp-end{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:56px;padding:26px 36px;border-radius:28px;color:#fff;background:radial-gradient(480px 240px at 90% 0,#ffffff2a 0,transparent 70%),linear-gradient(150deg,var(--br),var(--br-d) 70%,var(--br-dd))}
.lp-end .le-main{display:flex;align-items:center;gap:20px;min-width:0;flex:1}
.lp-end .le-fox{flex:none;width:84px;height:84px;object-fit:contain}
.lp-end .le-copy{min-width:0}
.lp-end h2{margin:0 0 6px;color:#fff;font-size:clamp(20px,2.2vw,26px)}
.lp-end p{margin:0;color:#ffffffcc;font-size:15px}
.lp-end .le-actions{display:flex;gap:10px;flex:none}
.lp-end .btn{white-space:nowrap}
.lp-end .btn-ghost{background:#ffffff1f;color:#fff;border:1px solid #ffffff55}
@media(max-width:900px){.lp-end{flex-direction:column;align-items:stretch;padding:22px 18px;margin-top:36px;gap:18px}.lp-end .le-fox{width:64px;height:64px}.lp-end .le-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr))}main.lp-main{padding-bottom:40px}}

/* 41 未登录：不显示导航标签、卡密激活；手机顶栏显示 登录 / 注册 */
body:not(.signed-in) #topnav,body:not(.signed-in) #tabbar,body:not(.signed-in) #redeem{display:none!important}
@media(max-width:899px){
 body:not(.signed-in){padding-bottom:0!important}
 body:not(.signed-in) #site-nav>#nav-register{display:inline-flex!important;align-items:center;background:var(--br)!important;color:#fff!important;padding:7px 14px;font-size:13.5px;font-weight:700;border-radius:99px}
 .lp .cta .btn{white-space:nowrap;flex:1 1 auto;justify-content:center;padding-inline:14px}
}
body:not(.signed-in) #site-nav>#redeem{display:none!important}
@media(max-width:899px){body>header #site-nav>*,body>header .brand-wordmark{white-space:nowrap}body:not(.signed-in) #site-nav>#nav-register{padding:7px 16px}}
@media(max-width:900px){.lp-end .le-actions{grid-template-columns:1fr 1fr}.lp-end .le-actions .btn{width:100%;justify-content:center}.lp-end .le-actions .btn:first-child{grid-column:1/-1}}
.lp section.lp-end{padding:26px 36px}
@media(max-width:900px){.lp section.lp-end{padding:22px 18px}}

/* 42 挑战版本说明 */
.pick-hint{margin:2px 0 0;font-size:13.5px;color:var(--tx3)}

/* 43 阅读页「本章」菜单 */
.mn-head{padding:2px 44px 4px 2px}.mn-head span{font-size:12.5px;font-weight:800;letter-spacing:.06em;color:var(--br)}
.mn-head h2{margin:2px 0 0;font-size:19px;line-height:1.35}
.menu-list{display:grid;gap:10px;margin-top:14px}
.menu-list button.mn-row{display:flex;align-items:center;gap:14px;height:auto;min-height:68px;padding:12px 14px;border:0;border-radius:18px;background:#f6f6fb;text-align:left;box-shadow:none;cursor:pointer}
.menu-list button.mn-row:hover{background:#efecff}
.mn-ico{flex:none;display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#fff;color:var(--br);box-shadow:0 6px 14px -8px #4b3bd655}
.mn-txt{flex:1;min-width:0;display:grid;gap:2px}.mn-txt b{font-size:16px;color:var(--tx)}.mn-txt small{font-size:13px;color:var(--tx3);line-height:1.4}
.mn-go{font-style:normal;font-size:22px;color:#b3b1d6}
.menu-list button.mn-row.danger .mn-ico{color:#d92d3a;box-shadow:0 6px 14px -8px #d92d3a55}.menu-list button.mn-row.danger .mn-txt b{color:#d92d3a}

/* 44 挑战卡片：浅色海报（上半是封面和标题，下半是醒目的词数和章数） */
.cv-switch{display:flex;align-items:center;gap:6px;margin:18px 0 0;flex-wrap:wrap}
.cv-switch span{font-size:12.5px;color:var(--tx3);margin-right:4px}
.cv-switch button{height:30px;padding:0 14px;border-radius:99px;border:1.5px solid var(--ln);background:#fff;color:var(--tx2);font-size:13px;font-weight:700;cursor:pointer}
.cv-switch button.on{background:var(--br);border-color:var(--br);color:#fff}
.cv-grid{display:grid;gap:20px;margin-top:16px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.pl{display:flex;flex-direction:column;background:#fff;border-radius:24px;overflow:hidden;color:var(--tx);box-shadow:var(--card-sh);transition:.2s}
.pl:hover{transform:translateY(-4px);box-shadow:0 28px 48px -26px #1b166388}
.pl-art{position:relative;display:flex;flex-direction:column;justify-content:space-between;aspect-ratio:1/.78;padding:14px;overflow:hidden;background:linear-gradient(155deg,var(--b),var(--c))}
.pl-glyph{position:absolute;right:-6%;bottom:-14%;font-style:normal;font-size:clamp(150px,17vw,220px);font-weight:900;line-height:1;color:var(--a);opacity:.15;user-select:none;pointer-events:none}
.pl-dot{position:absolute;left:-34px;top:-34px;width:130px;height:130px;border-radius:50%;background:#ffffff99}
.pl-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.pl-top,.pl-mid{position:relative;z-index:2}
.pl-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.pl-ver{font-size:15px;font-weight:900;letter-spacing:.02em;padding:7px 14px;border-radius:12px;background:var(--a);color:#fff;box-shadow:0 10px 18px -10px var(--a)}
.pl-state{font-size:12px;font-weight:800;padding:5px 10px;border-radius:99px;background:#ffffffd9;color:var(--tx3)}.pl-state.on{color:#12804a}
.pl-tags{display:flex;gap:6px;margin-bottom:8px}.pl-tags span{font-size:11.5px;font-weight:800;padding:3px 9px;border-radius:99px;background:#ffffffcc;color:var(--a)}
.pl-title{margin:0;display:grid;gap:3px;font-size:clamp(19px,1.7vw,23px);line-height:1.28;font-weight:900;color:#1c1c33;text-wrap:balance}
.pl-img~.pl-top .pl-state,.pl-img~.pl-mid{}
.pl-title em{font-style:normal;color:var(--a)}
.pl-stats{display:flex;align-items:flex-end;gap:18px;padding:14px 18px 4px}
.pl-words b{display:block;font-size:34px;line-height:1.05;font-weight:900;color:var(--a);letter-spacing:-.01em}
.pl-chap b{display:block;font-size:24px;line-height:1.1;font-weight:900;color:var(--tx)}
.pl-stats span{font-size:13px;color:var(--tx2);font-weight:700}
.pl-foot{display:grid;gap:10px;padding:10px 18px 18px;margin-top:auto}
.pl-bar{height:6px;border-radius:99px;background:#ececf5;overflow:hidden}.pl-bar i{display:block;height:100%;background:var(--a)}
.pl-btn{text-align:center;font-size:15px;font-weight:800;color:#fff;background:var(--a);padding:11px 0;border-radius:99px;box-shadow:0 12px 22px -12px var(--a)}
@media(max-width:720px){
 .cv-grid{grid-template-columns:repeat(2,1fr);gap:12px}
 .pl-art{padding:11px}.pl-ver{font-size:13px;padding:6px 10px}.pl-state{font-size:11px;padding:4px 8px}.pl-title{font-size:16px}
 .pl-stats{padding:12px 13px 2px;gap:12px}.pl-words b{font-size:26px}.pl-chap b{font-size:19px}.pl-foot{padding:8px 13px 14px}.pl-btn{font-size:14px;padding:9px 0}
}
@media(max-width:720px){.pl-art{aspect-ratio:1/1.02}}

/* 浅色海报：去掉大字和圆点装饰，词数和章数放在同一行 */
.pl-glyph,.pl-dot{display:none}
.pl-art{background:linear-gradient(180deg,var(--b),var(--c))}
.pl-stats{align-items:baseline;gap:6px 16px;flex-wrap:nowrap;white-space:nowrap}
.pl-stats>div{display:flex;align-items:baseline;gap:5px}
.pl-words b,.pl-chap b{display:inline}
.pl-words b{font-size:32px}.pl-chap b{font-size:24px}
.pl-stats span{font-size:14px}
.pl-chap{padding-left:16px;border-left:2px solid #ececf5}
@media(max-width:720px){.pl-stats{gap:4px 10px;padding:12px 13px 2px}.pl-words b{font-size:24px}.pl-chap b{font-size:19px}.pl-chap{padding-left:10px}.pl-stats span{font-size:12.5px}}
@media(max-width:720px){.pl-stats{padding:12px 11px 2px;gap:4px 8px}.pl-words b{font-size:21px}.pl-chap b{font-size:17px}.pl-chap{padding-left:8px}.pl-stats span{font-size:12px}.pl-stats>div{gap:3px}}
/* 浅色海报：宽松一点的间距 */
.pl-art{padding:18px}.pl-top{margin-bottom:6px}.pl-tags{margin-bottom:12px;gap:8px}.pl-title{gap:5px;line-height:1.38}
.pl-stats{padding:20px 22px 6px;gap:6px 20px}.pl-chap{padding-left:20px}
.pl-foot{padding:16px 22px 24px;gap:14px}.pl-btn{padding:13px 0}
@media(max-width:720px){
 .pl-art{padding:14px}.pl-tags{margin-bottom:10px}.pl-title{gap:4px;font-size:17px}
 .pl-stats{padding:16px 14px 4px;gap:4px 12px}.pl-chap{padding-left:12px}.pl-words b{font-size:21px}.pl-chap b{font-size:17px}
 .pl-foot{padding:12px 14px 18px;gap:12px}.pl-btn{padding:11px 0}
}

/* 45 阅读页：完整词汇表 / 助记表（整页） */
.reference-main{max-width:1280px;margin:0 auto;padding-bottom:60px}
.rf-tabs{display:flex;gap:8px;margin:14px 0 4px;flex-wrap:wrap}
.rf-tabs button{height:44px;padding:0 22px;border-radius:14px;border:0;background:#fff;color:var(--tx2);font-size:15px;font-weight:800;box-shadow:var(--card-sh);cursor:pointer}
.rf-tabs button.active{background:var(--br);color:#fff;box-shadow:0 12px 22px -12px var(--br)}
.rf-pane{margin-top:12px;background:#fff;border-radius:22px;box-shadow:var(--card-sh);padding:20px 22px 24px}
.rf-tools{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding-bottom:16px;border-bottom:1px solid var(--ln)}
.rf-tools .search{flex:1 1 280px;max-width:520px;height:46px;border-radius:14px}
#rf-count{color:var(--tx3);font-weight:600;font-size:14px}
.rf-tool-btns{margin-left:auto;display:flex;gap:8px}.rf-tool-btns button{height:40px;padding:0 16px;border-radius:12px;border:0;background:#f1f1f7;font-weight:700;color:var(--tx2);cursor:pointer}
.rf-table{display:grid;margin-top:6px}
.rf-row{display:grid;grid-template-columns:56px minmax(130px,1.1fr) minmax(120px,1fr) minmax(110px,.9fr) minmax(120px,1.2fr) minmax(300px,2fr);gap:12px;align-items:center;padding:14px 8px;border-bottom:1px solid var(--ln)}
.rf-head{background:var(--br-bg);border-radius:12px;border-bottom:0;font-weight:800;color:var(--br);font-size:14px;padding:12px 8px;margin-top:10px}
.rf-w .table-word{font-size:20px;font-weight:800;color:var(--br);border:0;background:none;padding:0;cursor:pointer;text-align:left}
.rf-ipa{color:var(--tx2)}.rf-no{color:var(--tx3)}
.rf-act{display:flex;gap:8px;flex-wrap:wrap}.rf-act button,.memory-card .wc-act button{height:36px;padding:0 12px;border-radius:10px;border:0;background:var(--br-bg);color:var(--br);font-weight:700;font-size:13.5px;cursor:pointer}
.rf-act button:nth-child(2){background:#e5f6ef;color:#12804a}.rf-act button:last-child{background:#fff3cf;color:#8a6200}
.memory-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(420px,1fr));gap:16px;margin-top:16px}
.memory-card{display:flex;flex-direction:column;gap:10px;padding:20px;border:1.5px solid var(--ln);border-radius:20px;background:#fff}
.mc-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.mc-head .card-word{font-size:24px;font-weight:900;color:var(--br);border:0;background:none;padding:0;cursor:pointer}
.memory-card .wc-act{display:flex;gap:8px;flex-wrap:wrap}
.memory-content{display:grid;gap:8px;margin-top:4px;font-size:14.5px;color:var(--tx2);line-height:1.6}.memory-content p{margin:0}.memory-content b{color:var(--br);margin-right:6px}
.memory-content label{display:grid;gap:6px;font-weight:700;color:var(--tx)}
.memory-content textarea{min-height:78px;border-radius:12px;border:1.5px solid var(--ln);padding:10px 12px;font:inherit;resize:vertical}
.mc-save{display:flex;align-items:center;gap:10px}.mc-save button{height:36px;padding:0 16px;border-radius:10px;border:0;background:var(--br);color:#fff;font-weight:700;cursor:pointer}.note-status{font-size:13px;color:#12804a}
.wp-links{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 2px}.wp-links button{flex:1;height:38px;border-radius:12px;border:0;background:var(--br-bg);color:var(--br);font-weight:800;font-size:13.5px;cursor:pointer}
@media(max-width:820px){
 .rf-pane{padding:14px 14px 18px;border-radius:18px}.rf-tabs button{flex:1;padding:0 8px;height:42px;font-size:14.5px}
 .rf-head{display:none}
 .rf-row{grid-template-columns:1fr auto;grid-template-areas:"w pos" "ipa ipa" "m m" "act act";gap:6px 10px;padding:14px 4px}
 .rf-no{display:none}.rf-w{grid-area:w}.rf-pos{grid-area:pos;justify-self:end}.rf-ipa{grid-area:ipa}.rf-m{grid-area:m;font-size:15px}.rf-act{grid-area:act;margin-top:4px}
 .memory-grid{grid-template-columns:1fr}.rf-tool-btns{margin-left:0}
}
@media print{.rd-top,.rf-tabs,.rf-tools,.rf-act,#tabbar,#topnav,body>header{display:none!important}.rf-pane{box-shadow:none}}

/* 邀请链接卡：链接框和主按钮要一眼看清 */
.share-card .hub-search{background:#fff;color:var(--tx);font-size:14.5px;height:50px;border:0;border-radius:14px;padding:0 16px;box-shadow:inset 0 0 0 1.5px #ffffff55;text-overflow:ellipsis}
.share-actions{margin-top:2px}
.share-actions button,.share-actions button:first-child{flex:1 1 100%;height:56px;border-radius:16px;border:0;background:var(--or)!important;color:#fff!important;font-size:16.5px;font-weight:900;letter-spacing:.02em;box-shadow:0 16px 28px -14px #ff8a1fee;cursor:pointer}
.share-actions button:hover{background:var(--or-d)!important}
.share-actions button:active{transform:translateY(1px)}
/* 挑战卡片：词数和章数在窄卡片里自动缩小，放不下就换行，不再溢出 */
.pl{container-type:inline-size}
.pl-stats{flex-wrap:wrap;min-width:0}
@container (max-width:240px){.pl-words b{font-size:24px}.pl-chap b{font-size:19px}.pl-stats{padding-left:16px;padding-right:12px;gap:4px 12px}.pl-chap{padding-left:12px}.pl-stats span{font-size:13px}}
@container (max-width:205px){.pl-words b{font-size:20px}.pl-chap b{font-size:16px}.pl-stats{padding-left:12px;padding-right:8px;gap:2px 8px}.pl-chap{padding-left:8px}.pl-stats span{font-size:12px}.pl-stats>div{gap:2px}}
@container (max-width:175px){.pl-words b{font-size:18px}.pl-chap b{font-size:15px}.pl-chap{border-left:0;padding-left:0}}
/* 窄卡片：封面区随内容增高，标签不换行、标题不被裁切 */
.pl-art{aspect-ratio:auto!important;min-height:240px;flex:1 1 auto;gap:14px}
.pl-ver,.pl-state{white-space:nowrap}.pl-top{flex-wrap:wrap;gap:6px 8px}
.pl-mid{margin-top:auto}
@media(max-width:720px){.pl-art{min-height:200px}}
@container (max-width:240px){.pl-ver{font-size:13.5px;padding:6px 11px}.pl-state{font-size:11.5px;padding:4px 9px}.pl-art{padding:12px}.pl-title{font-size:17px}}
@container (max-width:205px){.pl-ver{font-size:12.5px;padding:5px 9px}.pl-state{font-size:11px;padding:3px 8px}.pl-art{padding:11px}.pl-title{font-size:16px}.pl-tags span{font-size:11px;padding:2px 8px}}

.share-actions button{display:grid;place-content:center;gap:2px;height:auto;min-height:62px;padding:10px 16px;line-height:1.25}.share-actions button small{font-size:12.5px;font-weight:700;opacity:.92;letter-spacing:0}

/* 46 生词本 / 错题本：完整词卡（释义、例句、收录原因、原文位置） */
.book-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(420px,1fr));gap:18px}
.bk{display:flex;flex-direction:column;gap:12px;padding:22px 24px;background:#fff;border:0;border-radius:22px;box-shadow:var(--card-sh)}
.bk-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.bk-w{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.bk-w .card-word{font-size:30px;font-weight:900;color:var(--br);border:0;background:none;padding:0;cursor:pointer}
.bk.wrong .bk-w .card-word{color:#b83a5e}
.bk-x{flex:none;width:36px;height:36px;border-radius:12px;border:0;background:#f1f1f7;color:var(--tx3);font-size:20px;line-height:1;cursor:pointer}.bk-x:hover{background:#ffe3e8;color:#c0334f}
.bk-def{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.bk-def .vocab-ipa{color:var(--tx3)}.bk-def strong{font-size:19px;color:var(--tx)}
.bk-err{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:11px 14px;border-radius:12px;background:#fdeef0;border:1px solid #f6d3d9;font-size:13.5px;color:#a24457}
.bk-err span{margin-right:8px;color:#b27885}.bk-err b{font-weight:700}.bk-err em{font-style:normal;white-space:nowrap}.bk-err em.ok{color:#12804a}.bk-err del{opacity:.8}
.bk-ex{border-radius:14px;overflow:hidden}.bk-ex .example,.bk-ex>*{margin:0}
.bk-note{padding:12px 14px;border-radius:12px;background:#fff8e6}.bk-note span{font-size:12.5px;font-weight:800;color:#8a6200}.bk-note p{margin:4px 0 0;font-size:14px;color:var(--tx2)}
.bk-act{display:flex;gap:8px;flex-wrap:wrap}.bk-act button{height:38px;padding:0 14px;border-radius:11px;border:0;background:var(--br-bg);color:var(--br);font-weight:700;font-size:13.5px;cursor:pointer}.bk-act button:nth-child(2){background:#e5f6ef;color:#12804a}
.bk-src{display:grid;gap:3px;margin-top:auto;padding-top:14px;border-top:1px solid var(--ln);color:var(--tx3);font-size:12.5px}.bk-src b{color:var(--br);font-size:14px}.bk.wrong .bk-src b{color:#b83a5e}
@media(max-width:720px){.book-list{grid-template-columns:1fr}.bk{padding:18px 16px}.bk-w .card-word{font-size:26px}}
/* 卡片数据行：用容器宽度自动缩放，始终一行 */
.pl-stats{flex-wrap:nowrap!important;gap:0 clamp(8px,5cqi,18px)!important;padding:clamp(12px,7cqi,20px) clamp(12px,8cqi,22px) 4px!important}
.pl-words b{font-size:clamp(18px,11.5cqi,34px)!important}.pl-chap b{font-size:clamp(15px,8.5cqi,24px)!important}
.pl-stats span{font-size:clamp(11px,4.6cqi,14px)!important}.pl-chap{padding-left:clamp(8px,5cqi,18px)!important}.pl-stats>div{gap:clamp(2px,1.6cqi,5px)!important}
.pl-foot{padding-left:clamp(12px,8cqi,22px)!important;padding-right:clamp(12px,8cqi,22px)!important}
.bk-w .card-word,.mc-head .card-word{font-family:var(--font);letter-spacing:0}
@container (max-width:185px){.pl-words b{font-size:16px!important}.pl-chap b{font-size:13.5px!important}.pl-stats span{font-size:10.5px!important}.pl-stats{gap:0 6px!important;padding-left:10px!important;padding-right:6px!important}.pl-chap{padding-left:6px!important;border-left-width:1px}.pl-stats>div{gap:1px!important}}

/* 47 兑换成功大弹窗：一眼看懂，一个大按钮直达对应专区 */
.redeem-done{padding:34px 26px 26px!important;text-align:center;display:grid;justify-items:center;gap:12px}
.rd-badge{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#2fd07b,#12a85d);box-shadow:0 18px 34px -14px #12a85dcc,0 0 0 10px #12a85d1f;animation:rd-pop .55s cubic-bezier(.2,1.4,.4,1) both}
@keyframes rd-pop{from{transform:scale(.3);opacity:0}to{transform:scale(1);opacity:1}}
.redeem-done h2{font-size:28px!important;font-weight:900;margin:6px 0 0!important;padding:0!important;color:#12804a}
.rd-lead{margin:0;font-size:16px;color:var(--tx2)}
.rd-what{width:100%;padding:16px 18px;border-radius:18px;background:linear-gradient(135deg,#efecff,#e5f6ef);display:grid;gap:4px}.rd-what small{font-size:13px;font-weight:800;color:var(--br)}.rd-what b{font-size:21px;line-height:1.35;color:var(--tx)}
.rd-extra{margin:0;font-size:14.5px;color:var(--tx2);line-height:1.7}
.rd-go{width:100%;height:62px;margin-top:6px;border:0;border-radius:18px;background:linear-gradient(135deg,#ff9a3d,var(--or));color:#fff;font-size:20px;font-weight:900;letter-spacing:.02em;box-shadow:0 18px 30px -14px #ff8a1fee;cursor:pointer}
.rd-go:active{transform:translateY(1px)}
.rd-stay{border:0;background:none;color:var(--tx3);font-size:14px;padding:6px 10px;cursor:pointer}

/* 48 新手引导（遮罩 + 高亮 + 分步提示框） */
#tour-root{position:fixed;inset:0;z-index:300}
.tour-mask{position:absolute;inset:0;background:transparent}
.tour-hole{position:absolute;border-radius:16px;box-shadow:0 0 0 100vmax rgba(18,14,48,.72);outline:3px solid var(--or);outline-offset:0;transition:all .28s ease;pointer-events:none;animation:tour-pulse 1.6s ease-in-out infinite}
@keyframes tour-pulse{0%,100%{outline-color:var(--or)}50%{outline-color:#ffd19a}}
.tour-card{position:absolute;width:min(380px,calc(100vw - 24px));padding:20px 22px 18px;background:#fff;border-radius:22px;box-shadow:0 30px 60px -20px #0009;opacity:0;transform:translateY(8px);transition:opacity .25s,transform .25s}
.tour-card.on{opacity:1;transform:none}
.tour-step{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}.tour-step b{display:inline-block;padding:4px 12px;border-radius:99px;background:var(--or);color:#fff;font-size:14px;font-weight:900}.tour-step span{font-size:13px;color:var(--tx3);font-weight:700}
.tour-card h3{margin:4px 0 6px;font-size:22px;font-weight:900;color:var(--tx)}
.tour-card p{margin:0 0 16px;font-size:16px;line-height:1.75;color:var(--tx2)}.tour-card p b{color:var(--br)}
.tour-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}
.tour-skip{border:0;background:none;color:var(--tx3);font-size:14px;padding:8px 6px;cursor:pointer}
.tour-next{flex:1;max-width:230px;height:50px;border:0;border-radius:15px;background:linear-gradient(135deg,#ff9a3d,var(--or));color:#fff;font-size:16.5px;font-weight:900;box-shadow:0 14px 24px -12px #ff8a1fee;cursor:pointer}
@media(max-width:520px){.tour-card{padding:18px 16px 16px}.tour-card h3{font-size:20px}.tour-card p{font-size:15.5px}}
/* 页面切换时的占位，避免旧页面在新样式下闪一下 */
.route-loading{min-height:60vh;display:grid;place-content:center;justify-items:center;gap:12px;color:var(--tx3)}
.rl-spin{width:34px;height:34px;border-radius:50%;border:4px solid #e3e1fb;border-top-color:var(--br);animation:rl-spin .8s linear infinite}@keyframes rl-spin{to{transform:rotate(360deg)}}
/* 背景渐变不再用 100vw，避免出现横向溢出和侧边白条 */
main:not(.lp-main):not(.reader-main)::before{left:0!important;right:0;width:auto!important;margin-left:0!important}
html,body{overflow-x:clip}

/* 49 三步学习流程：大号、带说明、当前步骤醒目 —— 让每个人一眼看到「现在在第几步、下一步做什么」 */
.rd-flow{margin:14px 0 12px;display:grid;gap:10px}
.rd-flow .rd-group{font-size:13.5px;font-weight:800;color:var(--tx3)}
.rd-flow .rd-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0}
.rd-steps button{position:relative;display:flex;align-items:center;gap:12px;height:68px;padding:0 18px;border-radius:18px;border:2px solid var(--ln);background:#fff;color:var(--tx2);text-align:left;box-shadow:none;cursor:pointer}
.rd-steps button i{flex:none;width:38px;height:38px;border-radius:50%;background:var(--br-bg);color:var(--br);display:grid;place-items:center;font-style:normal;font-size:19px;font-weight:900}
.rd-steps button span{display:grid;gap:1px;min-width:0}.rd-steps button b{font-size:17.5px;font-weight:900;color:var(--tx)}.rd-steps button small{font-size:12.5px;color:var(--tx3);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rd-steps button:not(:last-child)::after{content:"›";position:absolute;right:-13px;top:50%;transform:translateY(-52%);z-index:2;width:14px;text-align:center;font-size:24px;line-height:1;color:#b9b6dc;pointer-events:none}
.rd-steps button.active{background:var(--br);border-color:var(--br);color:#fff;box-shadow:0 16px 28px -14px var(--br)}.rd-steps button.active i{background:#fff;color:var(--br)}.rd-steps button.active b,.rd-steps button.active small{color:#fff}
.rd-steps button.done{border-color:#a8e6cf;background:#f3fcf8}.rd-steps button.done i{background:#12a85d;color:#fff}
.rd-hint{margin:0;padding:13px 18px;border-radius:16px;background:#fff6e6;border:1.5px solid #ffd9a3;color:#7a4300;font-size:16px;line-height:1.65}.rd-hint b{color:#d9620a;font-weight:900}
@media(max-width:720px){
 .rd-flow .rd-steps{gap:8px}
 .rd-steps button{flex-direction:column;justify-content:center;height:auto;padding:10px 4px;gap:4px;text-align:center;border-radius:16px}
 .rd-steps button i{width:32px;height:32px;font-size:16px}.rd-steps button span{justify-items:center}.rd-steps button b{font-size:15.5px}.rd-steps button small{display:none}
 .rd-steps button:not(:last-child)::after{right:-11px;font-size:20px}
 .rd-hint{font-size:14.5px;padding:11px 14px}
}

/* 50 性能：去掉会让滚动变卡的实时模糊、长列表按需渲染、尊重“减少动态效果” */
body>header,#tabbar,.rd-top{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
body>header{background:#fffffffa!important}#tabbar{background:#fffffffa!important}.rd-top{background:#f7f7fcfa!important}
dialog::backdrop{backdrop-filter:none!important;background:#16162fa6!important}
.rf-row,.memory-card,.bk{content-visibility:auto;contain-intrinsic-size:auto 240px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

/* ===== 51. 阅读页词卡（只在“读故事”步骤；默认是小按钮，点开才是卡片） ===== */
#wc-dock{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:40;max-width:calc(100vw - 24px)}
#wc-dock .wc-pill{height:48px;padding:0 20px;border-radius:99px;border:0;background:var(--or,#ff8a1f);color:#fff;font-weight:800;font-size:15px;box-shadow:0 16px 30px -10px var(--or,#ff8a1f);cursor:pointer;display:inline-flex;align-items:center;gap:6px}
#wc-dock .wc-pill b{display:inline-grid;place-items:center;min-width:22px;height:22px;border-radius:99px;background:#ffffff40;font-size:12px}
#wc-dock .wc-dock{width:372px;max-width:100%;background:#25214f;color:#fff;border-radius:20px;padding:12px 14px;box-shadow:0 24px 48px -16px #1b1663cc;border:1px solid #ffffff1f}
#wc-dock .wc-top{display:flex;align-items:center;gap:6px}#wc-dock .wc-top b{font-size:13px;color:#ffffffcc;white-space:nowrap}.wc-sp{flex:1}
#wc-dock .wc-pos{font-size:12px;font-weight:700;padding:3px 10px;border-radius:99px;background:#ffffff26;white-space:nowrap}
#wc-dock button{font-family:inherit}
#wc-dock .wc-nav{height:30px;padding:0 12px;border-radius:99px;border:1px solid #ffffff55;background:transparent;color:#fff;font-size:12.5px;font-weight:600;cursor:pointer;white-space:nowrap}
#wc-dock .wc-nav:disabled{color:#ffffff59;border-color:#ffffff26;cursor:default}
#wc-dock .wc-x{width:30px;height:30px;padding:0;border-radius:50%;border:0;background:#ffffff1f;color:#fff;display:grid;place-items:center;cursor:pointer}
#wc-dock .wc-x svg{display:block}#wc-dock .wc-x:hover,#wc-dock .wc-nav:not(:disabled):hover{background:#ffffff33}
#wc-dock .wc-body{padding:12px 2px 4px}
#wc-dock .wc-wordline{display:flex;align-items:center;gap:8px;flex-wrap:wrap}#wc-dock .wc-wordline h3{font-size:26px;font-weight:800;color:#fff;margin:0}
#wc-dock .pos-badge{background:#ffffff26;color:#fff}
#wc-dock .wc-state{font-style:normal;font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:99px}#wc-dock .wc-state.known{background:#2fbf8a;color:#fff}#wc-dock .wc-state.unknown{background:#ff8a1f;color:#fff}
#wc-dock .wc-ipa{font-family:var(--mono,monospace);font-size:13px;color:#ffffff99;margin-top:2px}
#wc-dock .wc-mean{font-size:16px;font-weight:600;margin:8px 0 2px;color:#fff;line-height:1.5}
#wc-dock .wc-act{display:flex;gap:8px;margin-top:10px}
#wc-dock .wc-aud{flex:none;min-width:42px;height:42px;border-radius:50%;border:1px solid #ffffff55;background:transparent;color:#fff;font-weight:700;font-size:13px;cursor:pointer;padding:0 8px}
#wc-dock .wc-known,#wc-dock .wc-unknown{flex:1;height:42px;border-radius:99px;font-weight:800;font-size:15px;cursor:pointer;border:2px solid transparent;padding:0}
#wc-dock .wc-known{background:#fff;color:#25214f}#wc-dock .wc-known.on{background:#2fbf8a;color:#fff}
#wc-dock .wc-unknown{background:transparent;border-color:#ffffff80;color:#fff}#wc-dock .wc-unknown.on{background:#ff8a1f;border-color:#ff8a1f}
#wc-dock .wc-sum{margin-top:8px;font-size:12px;color:#ffffff88;text-align:center}
#wc-dock .wc-empty{font-size:13.5px;color:#ffffffbb;padding:14px 2px 6px;line-height:1.7}
@media(max-width:999px){main.wc-open .rd-stage{padding-bottom:240px}}
@media(max-width:560px){#wc-dock:has(.wc-dock){left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));max-width:none}#wc-dock .wc-dock{width:100%}#wc-dock .wc-nav{padding:0 10px}}
/* 全屏词卡 */
body.wc-lock{overflow:hidden}
#wc-full-layer{position:fixed;inset:0;z-index:80;background:var(--bg);overflow:auto;padding:20px max(16px,env(safe-area-inset-right,0px)) 40px max(16px,env(safe-area-inset-left,0px))}
#wc-full-layer>*{max-width:1100px;margin-left:auto;margin-right:auto}
#wc-full-layer header{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
#wc-full-layer h2{font-size:24px;font-weight:800}#wc-full-layer header small{color:var(--tx3);font-size:13.5px}
.wcf-tools{display:flex;gap:8px}.wcf-listen,.wcf-close{height:40px;padding:0 18px;border-radius:99px;font-weight:700;cursor:pointer;border:1px solid var(--ln);background:#fff;color:var(--br)}.wcf-close{background:var(--br);color:#fff;border-color:var(--br)}
.wcf-tabs{display:flex;gap:8px;margin:16px auto;flex-wrap:wrap}.wcf-tabs button{height:36px;padding:0 16px;border-radius:99px;border:1px solid var(--ln);background:#fff;font-weight:700;color:var(--tx2);cursor:pointer}.wcf-tabs button.on{background:var(--br);border-color:var(--br);color:#fff}.wcf-tabs b{opacity:.75;margin-left:4px}
.wcf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;align-items:start}
.wcf-card{background:#fff;border:1px solid var(--ln);border-radius:18px;padding:16px;display:grid;gap:6px;align-content:start}
.wcf-card.known{border-color:#2fbf8a}.wcf-card.unknown{border-color:#ff8a1f;background:#fffaf4}
.wcf-h{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.wcf-h h3{font-size:20px;font-weight:800;margin:0}.wcf-play{margin-left:auto;width:32px;height:32px;border-radius:50%;border:1px solid var(--ln);background:#fff;color:var(--br);cursor:pointer;display:grid;place-items:center;padding:0}
.wcf-card .wc-ipa{color:var(--tx3);font-family:var(--mono,monospace);font-size:13px}.wcf-card>p{font-weight:600;line-height:1.5}
.wcf-card .example{margin-top:4px;font-size:13.5px}
.wcf-act{display:flex;gap:8px;margin-top:6px}.wcf-act button{flex:1;height:36px;border-radius:99px;border:1px solid var(--ln);background:#fff;font-weight:700;cursor:pointer;color:var(--tx2)}
.wcf-act button.known.on{background:#2fbf8a;border-color:#2fbf8a;color:#fff}.wcf-act button.unknown.on{background:#ff8a1f;border-color:#ff8a1f;color:#fff}
.wcf-empty{color:var(--tx3);padding:40px 0;text-align:center;grid-column:1/-1}

/* 读故事这一步只保留词卡：不要旧的词汇侧栏和词汇按钮 */
main.wc-only .rd-words,main.wc-only .rd-words-btn{display:none!important}
@media(min-width:1000px){main.wc-only.reader-main{max-width:980px}main.wc-only .rd-layout{display:block}}

/* 单词默写 */
.dict-list{list-style:none;margin:6px 0 0;padding:0;display:grid}
.dict-row{display:grid;grid-template-columns:34px minmax(0,1fr) auto minmax(0,1.1fr);align-items:center;gap:6px 12px;padding:14px 2px;border-bottom:1px solid var(--ln)}
.dict-no{color:var(--tx3);font-size:15px;font-weight:600;text-align:center}
.dict-field{display:flex;align-items:center;gap:6px;min-width:0}
.dict-field input.blank{width:100%;min-width:0;font-size:20px;font-weight:600}
.dict-mean{font-weight:700;font-size:16px;color:var(--tx);display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-width:0}
@media(max-width:640px){.dict-row{grid-template-columns:28px minmax(0,1fr) auto;grid-template-areas:"n f r" ". m m"}.dict-no{grid-area:n}.dict-field{grid-area:f}.dict-row>.field-result{grid-area:r}.dict-mean{grid-area:m;font-size:15px}}
.dict-field input.blank,.dict-field input.blank.correct,.dict-field input.blank.wrong,.dict-field input.blank.retry,.dict-field input.blank.hinted{background:transparent;border:0;border-bottom:2px solid #2b2a45;border-radius:0;box-shadow:none;padding:6px 4px;height:auto}
.dict-field input.blank:focus{border-bottom-color:var(--br)}
.dict-field input.blank.correct{border-bottom-color:#2fbf8a;color:#1f9a6c}.dict-field input.blank.wrong,.dict-field input.blank.retry{border-bottom-color:#f04b5b}.dict-field input.blank.hinted{border-bottom-color:#e08a00}
.dict-row{padding:18px 2px}
@media(max-width:560px){.rd-tools .seg{width:100%;display:grid;grid-template-columns:repeat(3,auto)}.rd-tools .seg button{white-space:nowrap;padding-inline:8px;font-size:13.5px}}