/* ==========================================================================
   小马上岸 · Web 门户网站样式（Portal）
   慕课网式产品门户：顶导航 + 内容流 + 页脚；复用 tokens.css 令牌 + icons.js 图标
   版式基线：固定 1200px 容器 + 6 列卡栅格 + 白/灰交替分区
   ========================================================================== */
:root{--portal-max:1200px;--gutter:clamp(14px,4vw,20px);--topbar-h:64px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);color:var(--color-on-surface);background:var(--color-bg);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column;line-height:1.5}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul{list-style:none}
i[data-ico]{display:inline-flex;align-items:center;justify-content:center;flex:none}
a,button,.btn,.quick-item,.course-card{-webkit-tap-highlight-color:transparent}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--color-outline-strong);border-radius:999px;border:2px solid var(--color-bg)}

/* ---------- 顶导航 ---------- */
.topbar{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--color-surface) 86%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--color-outline)}
.topbar-inner{max-width:var(--portal-max);margin:0 auto;height:var(--topbar-h);display:flex;align-items:center;gap:16px;padding:0 var(--gutter)}
.tb-brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:17px;letter-spacing:-.01em;flex:none}
/* 品牌标识：门户顶栏与桌面标题栏同档，配色恒为品牌色（ui/README.md §4.2） */
.tb-logo{--bm:var(--brand-mark-md);width:var(--bm);height:var(--bm);flex:none;border-radius:calc(var(--bm)*.30);background:var(--brand-gradient);color:#fff;display:grid;place-items:center;font-size:calc(var(--bm)*.58);box-shadow:var(--brand-shadow)}
.tb-logo i{color:#fff}
.tb-name span{display:block;font-family:var(--font-num);font-size:10px;font-weight:600;color:var(--color-text-tertiary);margin-top:-2px}
.tb-nav{display:flex;align-items:center;gap:2px}
.tb-nav a{position:relative;display:inline-flex;align-items:center;gap:6px;height:var(--topbar-h);padding:0 15px;font-size:14.5px;font-weight:600;color:var(--color-on-surface-variant);transition:color .16s var(--ease-standard);white-space:nowrap}
.tb-nav a i{font-size:17px}
.tb-nav a:hover{color:var(--color-primary)}
.tb-nav a.active{color:var(--color-primary)}
.tb-nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--gradient-primary)}
.tb-search{flex:1;min-width:180px;max-width:440px;margin:0 4px 0 auto;display:flex;align-items:center;gap:8px;height:42px;padding:0 6px 0 15px;background:var(--color-surface-2);border:1px solid transparent;border-radius:999px;transition:all .18s var(--ease-standard)}
.tb-search:focus-within{background:var(--color-surface);border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-soft)}
.tb-search>i{font-size:17px;color:var(--color-text-tertiary);flex:none}
.tb-search input{flex:1;min-width:0;border:none;outline:none;background:transparent;font-size:13.5px;color:var(--color-on-surface);font-family:inherit}
.tb-search input::placeholder{color:var(--color-text-tertiary)}
.tb-search-btn{height:32px;padding:0 17px;border-radius:999px;background:var(--gradient-primary);color:#fff;font-size:13px;font-weight:600;flex:none;transition:all .16s var(--ease-standard)}
.tb-search-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-primary)}
.tb-actions{display:flex;align-items:center;gap:9px;flex:none}
.tb-link{display:inline-flex;align-items:center;gap:5px;height:38px;padding:0 14px;font-size:13.5px;font-weight:600;color:var(--color-on-surface);border-radius:999px;transition:all .16s var(--ease-standard);white-space:nowrap}
.tb-link:hover{color:var(--color-primary);background:var(--color-primary-soft)}
.tb-link i{font-size:16px}
.tb-teacher{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;font-size:13px;font-weight:600;color:var(--color-on-surface-variant);border:1px solid var(--color-outline-strong);background:var(--color-surface);border-radius:999px;transition:all .16s var(--ease-standard);white-space:nowrap}
.tb-teacher:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-soft)}
.tb-teacher i{font-size:15px}
.tb-user{position:relative;display:flex;align-items:center;gap:8px;height:40px;padding:0 6px;border-radius:999px;cursor:pointer;transition:background .16s}
.tb-user:hover{background:var(--color-surface-2)}
.tb-avatar{width:30px;height:30px;border-radius:50%;flex:none;background:var(--gradient-primary);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;background-size:cover;background-position:center}
.teacher-avatar,.review-avatar,.profile-avatar,.tb-avatar{position:relative;overflow:hidden}
.teacher-avatar img,.review-avatar img,.profile-avatar img,.tb-avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit}
.tb-user .nm{font-size:13px;font-weight:600;max-width:88px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-user .caret{font-size:14px;color:var(--color-text-tertiary)}
.tb-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:180px;background:var(--color-surface);border:1px solid var(--color-outline);border-radius:14px;box-shadow:var(--shadow-lg);padding:6px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .18s var(--ease-standard);z-index:120}
.tb-user.open .tb-dropdown{opacity:1;visibility:visible;transform:none}
.tb-dropdown a{display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:9px;font-size:13.5px;color:var(--color-on-surface-variant);transition:all .14s}
.tb-dropdown a:hover{background:var(--color-primary-soft);color:var(--color-primary)}
.tb-dropdown a i{font-size:16px}
.tb-dropdown .sep{height:1px;background:var(--color-outline);margin:5px 8px}
.tb-dropdown a.danger{color:var(--color-error)}
.tb-dropdown a.danger:hover{background:var(--color-error-container);color:var(--color-error)}

/* ---------- 移动端汉堡 + 抽屉导航 ---------- */
.tb-burger{display:none;width:40px;height:40px;border-radius:11px;flex:none;align-items:center;justify-content:center;font-size:20px;color:var(--color-on-surface);border:1px solid var(--color-outline);background:var(--color-surface);transition:all .16s}
.tb-burger:hover,.tb-burger:active{border-color:var(--color-primary);color:var(--color-primary)}
.nav-mask{position:fixed;inset:0;background:rgba(17,24,39,.48);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:opacity .26s,visibility .26s;z-index:180}
body.nav-open .nav-mask{opacity:1;visibility:visible}
.nav-drawer{position:fixed;top:0;left:0;bottom:0;width:min(84vw,324px);background:var(--color-surface);z-index:190;display:flex;flex-direction:column;transform:translateX(-100%);transition:transform .28s var(--ease-standard);box-shadow:var(--shadow-xl)}
body.nav-open .nav-drawer{transform:none}
.nd-head{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--color-outline);flex:none}
.nd-close{margin-left:auto;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:19px;color:var(--color-text-tertiary);transition:all .14s}
.nd-close:hover{background:var(--color-surface-2);color:var(--color-on-surface)}
.nd-search{display:flex;align-items:center;gap:8px;height:42px;margin:14px 16px 4px;padding:0 5px 0 14px;background:var(--color-surface-2);border:1px solid transparent;border-radius:999px;flex:none;transition:all .18s}
.nd-search:focus-within{background:var(--color-surface);border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-soft)}
.nd-search>i{font-size:17px;color:var(--color-text-tertiary);flex:none}
.nd-search input{flex:1;min-width:0;border:none;outline:none;background:transparent;font-size:14px;color:var(--color-on-surface);font-family:inherit}
.nd-search input::placeholder{color:var(--color-text-tertiary)}
.nd-search .nd-go{height:30px;padding:0 15px;border-radius:999px;background:var(--gradient-primary);color:#fff;font-size:12.5px;font-weight:600;flex:none}
.nd-body{flex:1;overflow-y:auto;padding:6px 12px 20px;-webkit-overflow-scrolling:touch}
.nd-g{padding:14px 8px 6px;font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--color-text-tertiary)}
.nd-body a{display:flex;align-items:center;gap:11px;height:46px;padding:0 12px;border-radius:11px;font-size:14.5px;font-weight:600;color:var(--color-on-surface-variant);transition:all .14s}
.nd-body a>i:first-child{font-size:18px;color:var(--color-text-tertiary);transition:color .14s}
.nd-body a:hover,.nd-body a:active,.nd-body a.on{background:var(--color-primary-soft);color:var(--color-primary)}
.nd-body a.on>i:first-child,.nd-body a:active>i:first-child{color:var(--color-primary)}
.nd-body .nd-n{margin-left:auto;font-family:var(--font-num);font-size:11px;font-weight:700;padding:1px 7px;border-radius:999px;background:var(--color-accent);color:#fff}
.nd-foot{flex:none;padding:14px 16px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--color-outline);display:flex;gap:10px}
.nd-foot .btn{flex:1}

/* ---------- 容器 / 页脚 ---------- */
.container{max-width:var(--portal-max);margin:0 auto;padding:0 var(--gutter);width:100%}
.page{flex:1;width:100%}
.footer{margin-top:auto;background:var(--color-surface);border-top:1px solid var(--color-outline)}
.footer-inner{max-width:var(--portal-max);margin:0 auto;padding:44px var(--gutter) 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{font-size:13px;color:var(--color-on-surface-variant);line-height:1.7;max-width:30ch;margin:14px 0 16px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:12px}
.footer-col a{display:block;font-size:13px;color:var(--color-on-surface-variant);padding:5px 0;transition:color .14s}
.footer-col a:hover{color:var(--color-primary)}
.footer-bottom{border-top:1px solid var(--color-outline);margin-top:32px;padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--color-text-tertiary)}
.footer-bottom a:hover{color:var(--color-primary)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:12px;font-size:14.5px;font-weight:600;border:1px solid transparent;transition:all .18s var(--ease-standard);white-space:nowrap}
.btn i{font-size:17px;color:inherit}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-primary)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 28px -10px rgba(242,13,13,.5)}
.btn-accent{background:var(--gradient-accent);color:#fff;box-shadow:var(--shadow-accent)}
.btn-accent:hover{transform:translateY(-1px)}
.btn-ai{background:var(--gradient-ai);color:#fff;box-shadow:0 10px 24px -10px rgba(124,58,237,.55)}
.btn-ai:hover{transform:translateY(-1px)}
.btn-teacher{background:var(--gradient-teacher);color:#fff;box-shadow:var(--shadow-teacher)}
.btn-outline{border-color:var(--color-outline-strong);color:var(--color-on-surface);background:var(--color-surface)}
.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary)}
.btn-ghost{color:var(--color-on-surface-variant)}
.btn-ghost:hover{background:var(--color-surface-2);color:var(--color-on-surface)}
.btn-lg{height:52px;padding:0 30px;font-size:16px;border-radius:14px}
.btn-sm{height:36px;padding:0 15px;font-size:13px;border-radius:10px}
.btn-block{width:100%}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:4px;font-family:var(--font-num);font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;line-height:1.4}
.badge-primary{background:var(--color-primary-soft);color:var(--color-primary)}
.badge-accent{background:var(--color-accent-soft);color:var(--color-accent)}
.badge-ai{background:var(--color-ai-soft);color:var(--color-ai)}
.badge-green{background:var(--color-secondary-soft);color:var(--color-secondary)}
.badge-teacher{background:var(--color-teacher-soft);color:var(--color-teacher)}
.badge-gold{background:linear-gradient(120deg,#F59E0B,#F97316);color:#fff}
.badge-promo{background:var(--gradient-price);color:#fff}
.badge-price{background:var(--color-price-soft);color:var(--color-price)}

/* ---------- 分区 ---------- */
.section{padding:40px 0}
.section-dim{background:var(--color-surface);border-top:1px solid var(--color-outline);border-bottom:1px solid var(--color-outline)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-title{font-family:var(--font-num);font-size:24px;font-weight:800;letter-spacing:-.02em}
.section-title em{font-style:normal;background:linear-gradient(120deg,var(--color-primary),var(--color-secondary));-webkit-background-clip:text;background-clip:text;color:transparent}
.section-sub{font-size:13.5px;color:var(--color-on-surface-variant);margin-top:6px}
.section-more{display:inline-flex;align-items:center;gap:5px;font-size:13.5px;font-weight:600;color:var(--color-primary);transition:gap .16s;white-space:nowrap}
.section-more:hover{gap:8px}
.section-more i{font-size:16px}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:16px}
.g-6{grid-template-columns:repeat(6,1fr)}
.g-5{grid-template-columns:repeat(5,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;overflow:hidden;background:radial-gradient(900px 520px at 82% -10%,var(--color-primary-soft),transparent 62%),radial-gradient(700px 480px at -6% 110%,var(--color-ai-soft),transparent 58%),var(--color-bg-tint);border-bottom:1px solid var(--color-outline)}
.hero-inner{max-width:var(--portal-max);margin:0 auto;padding:64px var(--gutter) 56px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--color-primary);background:var(--color-primary-soft);padding:6px 14px;border-radius:999px;margin-bottom:20px}
.hero h1{font-family:var(--font-num);font-size:clamp(30px,4vw,50px);font-weight:800;letter-spacing:-.035em;line-height:1.1;max-width:20ch}
.hero h1 em{font-style:normal;background:linear-gradient(115deg,var(--color-primary) 8%,var(--color-ai) 92%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:16px;color:var(--color-on-surface-variant);line-height:1.75;margin-top:18px;max-width:62ch}
.hero-cta{display:flex;align-items:center;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-search{display:flex;align-items:center;gap:10px;max-width:560px;margin-top:30px;background:var(--color-surface);border:1px solid var(--color-outline-strong);border-radius:16px;height:56px;padding:0 8px 0 18px;box-shadow:var(--shadow-md)}
.hero-search:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-soft)}
.hero-search i{font-size:20px;color:var(--color-text-tertiary)}
.hero-search input{flex:1;min-width:0;border:none;outline:none;background:transparent;font-size:14.5px;color:var(--color-on-surface);height:100%;font-family:inherit}
.hero-search .btn{height:42px}
.hero-stats{display:flex;gap:32px;margin-top:34px;flex-wrap:wrap}
.hero-stat b{font-family:var(--font-num);font-size:26px;font-weight:800;letter-spacing:-.02em}
.hero-stat b em{font-style:normal;background:linear-gradient(120deg,var(--color-primary),var(--color-ai));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stat span{display:block;font-size:12px;color:var(--color-text-tertiary);margin-top:3px}

/* ---------- 公考赛道 ---------- */
.track-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.track-card{position:relative;display:flex;align-items:center;gap:14px;padding:20px;border-radius:16px;background:var(--color-surface);border:1px solid var(--color-outline);transition:all .2s var(--ease-standard);overflow:hidden}
.track-card:hover{transform:translateY(-3px);border-color:var(--tc);box-shadow:var(--shadow-lg)}
.track-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--tc)}
.track-ico{width:46px;height:46px;border-radius:13px;flex:none;display:grid;place-items:center;background:color-mix(in srgb,var(--tc) 13%,transparent);color:var(--tc);font-size:22px}
.track-card h3{font-size:15.5px;font-weight:700}
.track-card p{font-size:12.5px;color:var(--color-on-surface-variant);margin-top:3px}

/* ---------- 课程卡 ---------- */
.course-card{display:flex;flex-direction:column;background:var(--color-surface);border:1px solid var(--color-outline);border-radius:16px;overflow:hidden;transition:all .2s var(--ease-standard)}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-outline-strong)}
.course-cover{position:relative;aspect-ratio:16/9;overflow:hidden;display:flex;align-items:center;justify-content:center;background-size:cover;background-position:center;background-repeat:no-repeat}
.course-cover .cc-tag{position:absolute;top:10px;left:10px}
.course-cover .cc-play{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--color-primary);display:grid;place-items:center;font-size:24px;box-shadow:0 8px 24px -6px rgba(0,0,0,.4);transition:transform .2s var(--ease-standard)}
.course-card:hover .cc-play{transform:scale(1.08)}
.course-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.course-title{font-size:14.5px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.course-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--color-text-tertiary)}
.course-meta i{font-size:14px}
.course-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:10px;border-top:1px solid var(--color-outline);margin-top:auto}
.course-price{font-family:var(--font-num);font-weight:800;font-size:18px;color:var(--color-price)}
.course-price em{font-style:normal;font-size:12px;font-weight:600;color:var(--color-text-tertiary);text-decoration:line-through;margin-left:5px}
.course-free{font-family:var(--font-num);font-weight:800;font-size:15px;color:var(--color-secondary)}

/* ---------- 功能入口卡 ---------- */
.feature-card{display:flex;flex-direction:column;gap:12px;padding:22px;border-radius:16px;background:var(--color-surface);border:1px solid var(--color-outline);transition:all .2s var(--ease-standard)}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--fc)}
.feature-ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:color-mix(in srgb,var(--fc) 13%,transparent);color:var(--fc)}
.feature-card h3{font-size:15.5px;font-weight:700}
.feature-card p{font-size:13px;color:var(--color-on-surface-variant);line-height:1.6}
.feature-card .go{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--fc);margin-top:auto}

/* ---------- 申论电台 / 会员横幅 ---------- */
.radio-banner,.vip-banner{position:relative;overflow:hidden;border-radius:20px;padding:34px 36px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px}
.radio-banner{background:linear-gradient(120deg,#5C0A0A 0%,#C20A0A 58%,#F53D3D 100%)}
.vip-banner{background:linear-gradient(120deg,#2A1410 0%,#7A1010 58%,#C20A0A 100%)}
.radio-banner h3,.vip-banner h3{font-size:22px;font-weight:800;letter-spacing:-.01em}
.radio-banner p,.vip-banner p{font-size:13.5px;opacity:.88;margin-top:8px;max-width:52ch}
.radio-banner .btn,.vip-banner .btn{flex:none;background:#fff}
.radio-banner .btn{color:var(--color-primary)}
.vip-banner .btn{color:var(--color-accent)}
.radio-disc{flex:none;width:86px;height:86px;border-radius:50%;position:relative;background:conic-gradient(from 0deg,#fff,#FFD9D9,#FFA3A3,#fff);box-shadow:0 12px 30px -8px rgba(0,0,0,.5)}
.radio-disc::after{content:"";position:absolute;inset:26px;border-radius:50%;background:#C20A0A;border:3px solid rgba(255,255,255,.4)}
.radio-disc::before{content:"";position:absolute;inset:38px;border-radius:50%;background:#fff;z-index:1}

/* ---------- 名师卡 ---------- */
.teacher-card{display:flex;align-items:center;gap:14px;padding:18px;border-radius:16px;background:var(--color-surface);border:1px solid var(--color-outline);transition:all .2s}
.teacher-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md)}
.teacher-avatar{width:52px;height:52px;border-radius:50%;flex:none;display:grid;place-items:center;color:#fff;font-size:20px;font-weight:700;background:var(--gradient-ai);background-size:cover;background-position:center;box-shadow:var(--shadow-sm);border:2px solid var(--color-surface)}
.teacher-card h4{font-size:14.5px;font-weight:700}
.teacher-card p{font-size:12px;color:var(--color-on-surface-variant);margin-top:2px}
.teacher-card .tagline{font-size:12px;color:var(--color-accent);margin-top:5px;font-weight:600}

/* ---------- 栏目页头 ---------- */
.page-head{padding:40px 0 24px;border-bottom:1px solid var(--color-outline);background:var(--color-bg-tint)}
.page-head-inner{max-width:var(--portal-max);margin:0 auto;padding:0 var(--gutter)}
.crumbs{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--color-text-tertiary);margin-bottom:14px}
.crumbs a:hover{color:var(--color-primary)}
.crumbs i{font-size:14px}
.page-head h1{font-family:var(--font-num);font-size:30px;font-weight:800;letter-spacing:-.02em}
.page-head .lead{font-size:14px;color:var(--color-on-surface-variant);margin-top:8px;max-width:70ch}
.page-head .actions{display:flex;align-items:center;gap:10px;margin-top:18px;flex-wrap:wrap}

/* ---------- 二级 tab / 筛选 ---------- */
.subnav{position:sticky;top:var(--topbar-h);z-index:50;padding:12px 0;border-bottom:1px solid var(--color-outline);background:color-mix(in srgb,var(--color-bg) 90%,transparent);backdrop-filter:blur(12px)}
.subnav-inner{max-width:var(--portal-max);margin:0 auto;padding:0 var(--gutter);display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.subnav a{display:inline-flex;align-items:center;gap:5px;height:36px;padding:0 16px;border-radius:999px;font-size:13.5px;font-weight:600;color:var(--color-on-surface-variant);transition:all .16s}
.subnav a:hover{color:var(--color-primary)}
.subnav a.active{background:var(--color-primary);color:#fff}
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0}
.filter-chip{display:inline-flex;align-items:center;gap:5px;height:34px;padding:0 15px;border-radius:999px;font-size:13px;font-weight:500;color:var(--color-on-surface-variant);border:1px solid var(--color-outline);background:var(--color-surface);transition:all .16s}
.filter-chip:hover{border-color:var(--color-primary);color:var(--color-primary)}
.filter-chip.active{background:var(--color-primary-soft);border-color:var(--color-primary);color:var(--color-primary);font-weight:600}

/* ---------- 卡片 / 面板 / 行 ---------- */
.card{background:var(--color-surface);border:1px solid var(--color-outline);border-radius:16px}
.card-pad{padding:22px}
.panel{background:var(--color-surface);border:1px solid var(--color-outline);border-radius:16px;overflow:hidden}
.panel-h{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--color-outline);font-size:15px;font-weight:700}
.panel-h i{font-size:18px;color:var(--color-primary)}
.panel-b{padding:20px}
.row-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border-bottom:1px solid var(--color-outline);transition:background .14s}
.row-item:last-child{border-bottom:none}
.row-item:hover{background:var(--color-surface-2)}
.ri-ico{width:40px;height:40px;border-radius:11px;flex:none;display:grid;place-items:center;font-size:19px;background:var(--color-primary-soft);color:var(--color-primary)}
.row-item .ri-body{flex:1;min-width:0}
.ri-title{font-size:14px;font-weight:600}
.ri-sub{font-size:12px;color:var(--color-text-tertiary);margin-top:2px}
.ri-arrow{color:var(--color-text-tertiary);font-size:18px}

/* ---------- 统计卡 ---------- */
.stat-card{background:var(--color-surface);border:1px solid var(--color-outline);border-radius:16px;padding:20px}
.sc-ico{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;font-size:20px;margin-bottom:12px}
.stat-card b{font-family:var(--font-num);font-size:24px;font-weight:800;display:block}
.stat-card span{font-size:12px;color:var(--color-text-tertiary)}

/* ---------- Toast ---------- */
.toast-stack{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.toast{display:flex;align-items:center;gap:9px;background:#111827;color:#fff;font-size:14px;font-weight:600;padding:12px 20px;border-radius:12px;box-shadow:0 16px 40px -12px rgba(0,0,0,.4);animation:toast-in .3s var(--ease-spring)}
.toast i{font-size:18px;color:#34D399}
.toast.toast-error i{color:#F87171}
.toast.toast-warning i{color:#FBBF24}
.toast.toast-info i{color:#60A5FA}
.toast.leaving{opacity:0;transform:translateY(-8px);transition:all .2s}
@keyframes toast-in{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}

/* ---------- 进度环 ---------- */
.ring{position:relative;display:grid;place-items:center}
.ring svg{transform:rotate(-90deg)}
.ring .val{position:absolute;font-family:var(--font-num);font-weight:800}

/* ---------- 答题 ---------- */
.quiz-option{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:12px;border:1.5px solid var(--color-outline-strong);background:var(--color-surface);font-size:14.5px;cursor:pointer;transition:all .16s;margin-bottom:10px}
.quiz-option:hover{border-color:var(--color-primary)}
.quiz-option .key{width:26px;height:26px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:700;font-size:13px;background:var(--color-surface-2);color:var(--color-on-surface-variant)}
.quiz-option.sel{border-color:var(--color-primary);background:var(--color-primary-soft)}
.quiz-option.sel .key{background:var(--color-primary);color:#fff}
.quiz-option.correct{border-color:var(--color-secondary);background:var(--color-secondary-soft)}
.quiz-option.correct .key{background:var(--color-secondary);color:#fff}
.quiz-option.wrong{border-color:var(--color-error);background:var(--color-error-container)}
.quiz-option.wrong .key{background:var(--color-error);color:#fff}

/* ---------- 会员套餐 ---------- */
.plan-card{position:relative;display:flex;flex-direction:column;padding:26px;border-radius:18px;background:var(--color-surface);border:2px solid var(--color-outline);transition:all .2s}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.plan-card.hot{border-color:var(--color-accent);box-shadow:var(--shadow-accent)}
.plan-card .hot-tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%)}
.plan-name{font-size:15px;font-weight:700}
.plan-price{font-family:var(--font-num);font-size:34px;font-weight:800;margin:14px 0 4px}
.plan-price em{font-style:normal;font-size:14px;font-weight:600;color:var(--color-text-tertiary)}
.plan-origin{font-size:12px;color:var(--color-text-tertiary)}
.plan-perks{flex:1;display:flex;flex-direction:column;gap:9px;margin:16px 0 20px}
.plan-perks li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-on-surface-variant)}
.plan-perks li i{font-size:16px;color:var(--color-secondary)}

/* ---------- 通用表单件（工作台 / 门户多页复用） ---------- */
.field{margin-bottom:16px;text-align:left}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}
.field label .req{color:var(--color-error)}
.input{width:100%;height:48px;padding:0 14px;border:1.5px solid var(--color-outline-strong);border-radius:12px;font-size:14.5px;background:var(--color-surface);color:var(--color-on-surface);outline:none;font-family:inherit;transition:border-color .15s,box-shadow .15s}
.input:focus{border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-soft)}
.input-wrap{position:relative}
.input-wrap .input{padding-right:42px}
.input-wrap .eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:34px;height:34px;display:grid;place-items:center;color:var(--color-text-tertiary);border-radius:8px;font-size:18px}
.input-wrap .eye:hover{color:var(--color-primary)}

/* ---------- 个人中心 ---------- */
.profile-head{background:var(--color-bg-tint);border-bottom:1px solid var(--color-outline);padding:36px 0}
.profile-head-inner{max-width:var(--portal-max);margin:0 auto;padding:0 var(--gutter);display:flex;align-items:center;gap:20px}
.profile-avatar{width:72px;height:72px;border-radius:22px;display:grid;place-items:center;color:#fff;font-size:28px;font-weight:700;background:var(--gradient-primary);background-size:cover;background-position:center;flex:none;box-shadow:var(--shadow-primary)}
.profile-head h1{font-size:22px;font-weight:800;display:flex;align-items:center;gap:10px}
.profile-head .meta{font-size:13px;color:var(--color-on-surface-variant);margin-top:6px}
.profile-head .right{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap}

/* ==========================================================================
   慕课网式门户组件：分类宫格 / Banner / 课程卡难度 / Tab / 信任 / 榜单 / 评价 / 路线
   ========================================================================== */

/* ---------- 课程难度角标 ---------- */
.course-level{position:absolute;right:10px;bottom:10px;font-size:11px;font-weight:600;color:#fff;background:rgba(15,23,42,.62);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);padding:3px 9px;border-radius:6px}
.cc-deco{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-8deg);font-size:68px;color:rgba(255,255,255,.18);pointer-events:none}

/* ---------- 分类导航宫格 ---------- */
.cat-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.cat-item{display:flex;flex-direction:column;align-items:center;gap:9px;padding:18px 12px 16px;border-radius:14px;background:var(--color-surface);border:1px solid var(--color-outline);transition:all .18s var(--ease-standard)}
.cat-item:hover{transform:translateY(-3px);border-color:var(--color-primary);box-shadow:var(--shadow-md)}
.cat-ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:22px;background:var(--cc);color:var(--cci)}
.cat-item h4{font-size:13.5px;font-weight:700}
.cat-item span{font-size:11.5px;color:var(--color-text-tertiary)}

/* ---------- Banner 轮播 ---------- */
.banner{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg)}
.banner-slides{position:relative;aspect-ratio:21/7;min-height:250px}
.banner-slide{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;gap:12px;padding:40px 48px;color:#fff;opacity:0;visibility:hidden;transition:opacity .55s var(--ease-standard),visibility .55s;background-size:cover;background-position:center;background-repeat:no-repeat}
.banner-slide.active{opacity:1;visibility:visible}
.banner-slide .b-tag{display:inline-flex;align-items:center;gap:6px;width:fit-content;font-size:12px;font-weight:700;background:rgba(255,255,255,.18);backdrop-filter:blur(6px);padding:5px 13px;border-radius:999px}
.banner-slide h2{font-family:var(--font-num);font-size:clamp(20px,2.6vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.2;max-width:20ch}
.banner-slide p{font-size:14px;opacity:.9;max-width:52ch;line-height:1.6}
.banner-slide .btn{width:fit-content;background:#fff;color:#111;margin-top:4px}
.banner-slide .btn:hover{transform:translateY(-1px)}
.banner-dots{position:absolute;right:24px;bottom:20px;display:flex;gap:8px;z-index:2}
.banner-dots span{width:8px;height:8px;border-radius:99px;background:rgba(255,255,255,.42);cursor:pointer;transition:all .22s}
.banner-dots span.active{width:22px;background:#fff}

/* ---------- Tab 切换 ---------- */
.tabs{display:flex;align-items:center;gap:2px;border-bottom:1px solid var(--color-outline);margin-bottom:20px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{position:relative;display:inline-flex;align-items:center;gap:5px;height:46px;padding:0 18px;font-size:14.5px;font-weight:600;color:var(--color-on-surface-variant);cursor:pointer;transition:color .16s;white-space:nowrap}
.tab:hover{color:var(--color-primary)}
.tab.active{color:var(--color-primary)}
.tab.active::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:3px;border-radius:3px 3px 0 0;background:var(--gradient-primary)}

/* ---------- 平台信任指标 ---------- */
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust-item{display:flex;align-items:center;gap:16px;padding:22px;border-radius:16px;background:var(--color-surface);border:1px solid var(--color-outline)}
.trust-num{font-family:var(--font-num);font-size:28px;font-weight:800;line-height:1;background:linear-gradient(120deg,var(--color-primary),var(--color-secondary));-webkit-background-clip:text;background-clip:text;color:transparent;flex:none}
.trust-item span{font-size:13px;color:var(--color-on-surface-variant);line-height:1.4}

/* ---------- 排行榜三栏 ---------- */
.rank-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rank-col{background:var(--color-surface);border:1px solid var(--color-outline);border-radius:16px;overflow:hidden}
.rank-col-h{display:flex;align-items:center;gap:9px;padding:16px 18px;border-bottom:1px solid var(--color-outline)}
.rank-col-h i{font-size:18px;color:var(--color-accent)}
.rank-col-h h3{font-size:15px;font-weight:800}
.rank-item{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--color-outline)}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{background:var(--color-surface-2)}
.rank-no{font-family:var(--font-num);font-size:15px;font-weight:800;width:22px;text-align:center;color:var(--color-text-tertiary);flex:none}
.rank-item.top1 .rank-no{color:#F59E0B}
.rank-item.top2 .rank-no{color:#94A3B8}
.rank-item.top3 .rank-no{color:#B45309}
.rank-body{flex:1;min-width:0}
.rank-body h4{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-body span{font-size:11.5px;color:var(--color-text-tertiary);display:block;margin-top:2px}
.rank-price{font-family:var(--font-num);font-size:13.5px;font-weight:700;color:var(--color-price);flex:none}

/* ---------- 学员评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.review-card{display:flex;flex-direction:column;gap:14px;padding:22px;border-radius:16px;background:var(--color-surface);border:1px solid var(--color-outline)}
.review-card>p{font-size:13.5px;line-height:1.7;color:var(--color-on-surface-variant);flex:1}
.review-stars{display:flex;gap:2px;color:#F59E0B;font-size:14px}
.review-user{display:flex;align-items:center;gap:10px}
.review-avatar{width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;color:#fff;font-size:15px;font-weight:700;background:var(--gradient-ai);background-size:cover;background-position:center;border:2px solid var(--color-surface)}
.review-user b{font-size:13px;display:block}
.review-user span{font-size:11.5px;color:var(--color-text-tertiary);display:block;margin-top:1px}

/* ---------- 学习路线 ---------- */
.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.route-card{display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:16px;background:var(--color-surface);border:1px solid var(--color-outline);transition:all .18s var(--ease-standard)}
.route-card:hover{transform:translateY(-3px);border-color:var(--color-primary);box-shadow:var(--shadow-md)}
.route-card h4{font-size:14.5px;font-weight:700;line-height:1.5}
.route-card p{font-size:12.5px;color:var(--color-on-surface-variant);line-height:1.6;flex:1}
.route-meta{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--color-text-tertiary)}
.route-meta i{font-size:14px}

/* ---------- 方向分区（题型 / 赛道） ---------- */
.cate-block{margin-bottom:34px}
.cate-head{display:flex;align-items:baseline;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.cate-head h3{font-size:18px;font-weight:800}
.cate-head .en{font-family:var(--font-num);font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--color-text-tertiary);text-transform:uppercase}
.cate-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.cate-tags a{font-size:12.5px;color:var(--color-on-surface-variant);padding:4px 12px;border-radius:99px;background:var(--color-surface-2);transition:all .14s}
.cate-tags a:hover{color:var(--color-primary);background:var(--color-primary-soft)}

/* ---------- 热门搜索词 ---------- */
.hot-words{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:16px}
.hot-words .hw-label{font-size:12.5px;color:var(--color-text-tertiary)}
.hot-words a{font-size:12.5px;color:var(--color-on-surface-variant);padding:4px 12px;border-radius:99px;background:var(--color-surface);border:1px solid var(--color-outline);transition:all .14s}
.hot-words a:hover{color:var(--color-primary);border-color:var(--color-primary)}

/* ---------- 标题左侧品牌竖条 ---------- */
.section-title.bar{position:relative;padding-left:13px}
.section-title.bar::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:.82em;border-radius:2px;background:var(--gradient-primary)}

/* ---------- 首屏：左分类菜单 + 右轮播（慕课网式） ---------- */
.hero-split{display:grid;grid-template-columns:196px 1fr;gap:16px;align-items:stretch}
.cat-menu{position:relative;list-style:none;background:var(--color-surface);border:1px solid var(--color-outline);border-radius:14px;padding:6px;display:flex;flex-direction:column}
.cat-menu>li{position:static}
/* 悬浮热区：桥接导航与弹出层之间的间隙，避免鼠标穿越时弹层收起 */
.cat-menu>li::after{content:"";position:absolute;left:100%;top:0;bottom:0;width:10px;display:none;z-index:69}
.cat-menu>li:hover::after{display:block}
.cat-menu>li>a{display:flex;align-items:center;gap:9px;height:42px;padding:0 11px;border-radius:9px;font-size:14px;font-weight:600;color:var(--color-on-surface);transition:all .14s}
.cat-menu>li>a>i:first-child{font-size:16px;color:var(--color-primary)}
.cat-menu>li>a .cm-arrow{margin-left:auto;font-size:13px;color:var(--color-text-tertiary)}
.cat-menu>li:hover>a{background:var(--color-primary-soft);color:var(--color-primary)}
/* 弹出层：相对 .cat-menu 定位，上下各 -1px 抵消边框 → 高度与左侧导航区域完全等高 */
.cat-menu-panel{position:absolute;left:calc(100% + 10px);top:-1px;bottom:-1px;width:660px;display:none;background:var(--color-surface);border:1px solid var(--color-outline);border-radius:14px;box-shadow:var(--shadow-xl);padding:0;z-index:70;overflow:hidden}
.cat-menu>li:hover .cat-menu-panel{display:grid;grid-template-columns:repeat(3,1fr);align-content:stretch;align-items:stretch}
.cm-group{display:flex;flex-direction:column;padding:20px 22px;min-width:0}
.cm-group+.cm-group{border-left:1px solid var(--color-outline)}
.cm-group h5{font-size:13px;font-weight:800;margin-bottom:10px;padding-bottom:7px;border-bottom:1px solid var(--color-outline);color:var(--color-on-surface)}
.cm-group a{display:block;font-size:13px;color:var(--color-on-surface-variant);padding:6px 0;transition:color .14s}
.cm-group a:hover{color:var(--color-primary)}
.hero-split .banner{height:100%}
.hero-split .banner-slides{aspect-ratio:auto;height:100%;min-height:308px}

/* ---------- 备考方向横条 ---------- */
.dir-strip{display:grid;grid-template-columns:repeat(7,1fr);background:var(--color-surface);border:1px solid var(--color-outline);border-radius:14px;overflow:hidden}
.dir-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;padding:18px 8px;border-right:1px solid var(--color-outline);transition:background .16s}
.dir-item:last-child{border-right:none}
.dir-item:hover{background:var(--color-primary-soft)}
.dir-item i{font-size:22px;color:var(--color-primary)}
.dir-item b{font-size:13px;font-weight:700}
.dir-item span{font-size:11.5px;color:var(--color-text-tertiary)}

/* ---------- 时政资讯列表 ---------- */
.news-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.news-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--color-outline);cursor:pointer}
.news-item b{font-size:13.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .14s}
.news-item:hover b{color:var(--color-primary)}
.news-item time{font-family:var(--font-num);font-size:12.5px;color:var(--color-text-tertiary);flex:none}

/* ---------- 学习服务三卡 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.service-card{display:flex;gap:14px;padding:20px;border-radius:16px;background:var(--color-surface);border:1px solid var(--color-outline);transition:all .18s var(--ease-standard)}
.service-card:hover{transform:translateY(-3px);border-color:var(--color-primary);box-shadow:var(--shadow-md)}
.service-ico{width:46px;height:46px;border-radius:13px;flex:none;display:grid;place-items:center;font-size:22px;background:var(--color-primary-container);color:var(--color-on-primary-container)}
.service-card h4{font-size:14.5px;font-weight:700}
.service-card p{font-size:12.5px;color:var(--color-on-surface-variant);line-height:1.6;margin-top:5px}

/* ---------- 首屏快捷功能条（替代原重复搜索框） ---------- */
.quick-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:16px}
.quick-item{position:relative;display:flex;align-items:center;gap:11px;padding:13px 15px;border-radius:14px;background:var(--color-surface);border:1px solid var(--color-outline);transition:all .18s var(--ease-standard);overflow:hidden;min-width:0}
.quick-item::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--qc,var(--color-primary));opacity:0;transition:opacity .18s}
.quick-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--qc,var(--color-primary)) 45%,transparent)}
.quick-item:hover::after{opacity:1}
.quick-ico{width:38px;height:38px;border-radius:11px;flex:none;display:grid;place-items:center;font-size:19px;background:color-mix(in srgb,var(--qc,var(--color-primary)) 14%,transparent);color:var(--qc,var(--color-primary))}
.quick-main{min-width:0;flex:1}
.quick-item b{display:block;font-size:13.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.quick-item .qs-sub{display:block;font-style:normal;font-family:var(--font-num);font-size:11.5px;color:var(--color-text-tertiary);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 个人中心 / 会员账号（UC 两栏布局） ---------- */
.uc-container{display:grid;grid-template-columns:238px minmax(0,1fr);gap:24px;align-items:start}
.uc-side{position:sticky;top:calc(var(--topbar-h) + 18px);display:flex;flex-direction:column;gap:14px;min-width:0}
.uc-card{background:var(--color-surface);border:1px solid var(--color-outline);border-radius:16px;overflow:hidden}
.uc-user{padding:22px 18px 18px;background:var(--gradient-primary);color:#fff;text-align:center}
.uc-avatar{width:64px;height:64px;border-radius:50%;margin:0 auto 11px;display:grid;place-items:center;font-size:24px;font-weight:800;color:var(--color-primary);background:#fff;border:2px solid rgba(255,255,255,.55);overflow:hidden;position:relative}
.uc-name{font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:7px}
.uc-vip{font-size:10px;font-weight:700;padding:2px 8px;border-radius:999px;background:rgba(255,255,255,.24);border:1px solid rgba(255,255,255,.5);white-space:nowrap}
.uc-sub{font-size:12px;opacity:.9;margin-top:7px}
.uc-stats{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--color-outline)}
.uc-stats>div{text-align:center;padding:14px 4px}
.uc-stats b{display:block;font-size:16px;font-weight:800;color:var(--color-on-surface);font-variant-numeric:tabular-nums}
.uc-stats span{display:block;font-size:11px;color:var(--color-text-tertiary);margin-top:3px}
.uc-menu{padding:8px}
.uc-menu .uc-g{padding:11px 11px 5px;font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--color-text-tertiary)}
.uc-menu a{display:flex;align-items:center;gap:10px;height:40px;padding:0 11px;border-radius:10px;font-size:13.5px;font-weight:600;color:var(--color-on-surface-variant);transition:all .15s}
.uc-menu a>i:first-child{font-size:16px;color:var(--color-text-tertiary);transition:color .15s}
.uc-menu a:hover{background:var(--color-primary-soft);color:var(--color-primary)}
.uc-menu a:hover>i:first-child{color:var(--color-primary)}
.uc-menu a.on{background:var(--color-primary);color:#fff}
.uc-menu a.on>i:first-child{color:#fff}
.uc-menu a .uc-n{margin-left:auto;font-size:11px;font-weight:700;padding:1px 7px;border-radius:999px;background:var(--color-accent);color:#fff}
.uc-menu a.on .uc-n{background:#fff;color:var(--color-primary)}
.uc-promo{padding:16px;background:linear-gradient(150deg,#2A1410 0%,#7A1010 58%,#C20A0A 100%);color:#fff}
.uc-promo h4{font-size:14.5px;font-weight:800}
.uc-promo p{font-size:12px;opacity:.86;margin:6px 0 12px;line-height:1.6}
.uc-promo .btn{background:#fff;color:var(--color-accent);height:34px;font-size:13px;border-radius:999px;padding:0 16px}
.uc-main{display:flex;flex-direction:column;gap:20px;min-width:0}
.uc-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap}
.uc-head h2{font-size:20px;font-weight:800;letter-spacing:-.02em}
.uc-head p{font-size:13px;color:var(--color-text-tertiary);margin-top:6px}
.uc-panel{background:var(--color-surface);border:1px solid var(--color-outline);border-radius:16px;padding:20px 22px}
.uc-panel-t{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:800;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--color-outline)}
.uc-panel-t>i{color:var(--color-primary);font-size:17px}
.uc-panel-t .uc-panel-x{margin-left:auto;font-size:12.5px;font-weight:600;color:var(--color-primary)}

/* ==========================================================================
   AI 选岗（招考公告 / 职位 / 岗位匹配 / 报考日历）
   ========================================================================== */
.job-layout{display:grid;grid-template-columns:250px minmax(0,1fr) 336px;gap:20px;align-items:start}
.job-layout--2{grid-template-columns:minmax(0,1fr) 348px}
.job-layout--wide{grid-template-columns:296px minmax(0,1fr)}
.job-aside{display:flex;flex-direction:column;gap:16px;position:sticky;top:88px}
.job-side-t{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:800;color:var(--color-on-surface);margin-bottom:12px}
.job-side-t>i{color:var(--color-primary);font-size:15px}
.job-fgroup{margin-bottom:16px}
.job-fgroup>b{display:block;font-size:12px;font-weight:700;color:var(--color-text-tertiary);margin-bottom:8px}
.job-chips{display:flex;flex-wrap:wrap;gap:6px}
.job-chip{height:28px;padding:0 11px;border-radius:var(--radius-full);border:1px solid var(--color-outline);background:var(--color-surface);color:var(--color-on-surface-variant);font-size:12px}
.job-chip:hover{border-color:var(--color-primary);color:var(--color-primary)}
.job-chip.is-on{background:var(--color-primary-soft);border-color:var(--color-primary);color:var(--color-primary);font-weight:700}

.job-list{display:flex;flex-direction:column;gap:12px}
.job-row{display:flex;flex-direction:column;gap:10px;padding:16px;border-radius:var(--radius-lg);background:var(--color-surface);border:1px solid var(--color-outline);transition:border-color .18s,box-shadow .18s}
.job-row:hover{border-color:var(--color-outline-strong);box-shadow:var(--shadow-md)}
.job-row-h{display:flex;align-items:flex-start;gap:10px}
.job-row-t{flex:1;min-width:0;font-size:14.5px;font-weight:750;line-height:1.4;color:var(--color-on-surface)}
.job-row-org{font-size:12px;color:var(--color-text-tertiary);margin-top:3px}
.job-days{flex:none;display:inline-flex;align-items:center;gap:4px;height:24px;padding:0 10px;border-radius:var(--radius-full);font-size:11.5px;font-weight:700;font-family:var(--font-num);background:var(--color-accent-soft);color:var(--color-accent)}
.job-days.is-soon{background:var(--color-error-container);color:var(--color-on-error-container)}
.job-days.is-over{background:var(--color-surface-2);color:var(--color-text-tertiary)}
.job-metas{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.job-meta{display:inline-flex;align-items:center;gap:4px;font-size:11.5px;color:var(--color-on-surface-variant)}
.job-meta i[data-ico]{font-size:13px;color:var(--color-text-tertiary)}
.job-badge{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:var(--radius-xs);font-size:11px;font-weight:700}
.job-badge--gov{background:var(--color-primary-soft);color:var(--color-primary)}
.job-badge--inst{background:var(--color-secondary-soft);color:var(--color-secondary)}
.job-badge--soe{background:var(--color-ai-soft);color:var(--color-ai)}
.job-badge--central{background:var(--color-accent-soft);color:var(--color-accent)}
.job-badge--off{background:var(--color-surface-2);color:var(--color-text-tertiary)}
.job-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11.5px;color:var(--color-text-tertiary)}
.job-foot a{font-size:12px;font-weight:700;color:var(--color-primary);display:inline-flex;align-items:center;gap:2px}

.match-bar{display:flex;align-items:center;gap:10px}
.match-bar-track{flex:1;height:6px;border-radius:var(--radius-full);background:var(--color-surface-2);overflow:hidden}
.match-bar-fill{height:100%;border-radius:var(--radius-full);background:var(--gradient-ai)}
.match-bar-val{font-family:var(--font-num);font-size:12.5px;font-weight:800;color:var(--color-secondary)}
.match-bar-val.is-low{color:var(--color-text-tertiary)}

.job-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.job-stat{padding:14px 10px;border-radius:var(--radius-md);background:var(--color-surface);border:1px solid var(--color-outline);text-align:center}
.job-stat b{display:block;font-family:var(--font-num);font-size:22px;font-weight:800;color:var(--color-primary);line-height:1.15}
.job-stat span{font-size:11.5px;color:var(--color-text-tertiary)}

.job-tl{position:relative;padding-left:24px}
.job-tl::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:var(--color-outline)}
.job-tl li{position:relative;padding-bottom:18px}
.job-tl li:last-child{padding-bottom:0}
.job-tl li::before{content:"";position:absolute;left:-24px;top:3px;width:12px;height:12px;border-radius:50%;background:var(--color-surface);border:2px solid var(--color-outline-strong)}
.job-tl li.is-done::before{background:var(--color-secondary);border-color:var(--color-secondary)}
.job-tl li.is-on::before{background:var(--color-primary);border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-soft)}
.job-tl li b{display:block;font-size:13.5px;color:var(--color-on-surface)}
.job-tl li span{font-size:12px;color:var(--color-text-tertiary)}

.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-head{font-size:11.5px;color:var(--color-text-tertiary);text-align:center;padding-bottom:4px}
.cal-cell{position:relative;min-height:62px;padding:7px;border-radius:var(--radius-md);background:var(--color-surface-2);display:flex;flex-direction:column;gap:4px;border:1px solid transparent;text-align:left}
.cal-cell.is-muted{background:transparent;opacity:.4}
.cal-cell:hover{border-color:var(--color-outline-strong)}
.cal-cell.is-today{outline:1.5px solid var(--color-primary)}
.cal-cell.is-on{background:var(--gradient-primary)}
.cal-cell>em{font-style:normal;font-family:var(--font-num);font-size:12.5px;font-weight:700;color:var(--color-on-surface)}
.cal-cell.is-on>em{color:#fff}
.cal-pill{font-size:10.5px;padding:1px 5px;border-radius:var(--radius-xs);background:var(--color-accent-soft);color:var(--color-accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cal-pill.is-exam{background:var(--color-error-container);color:var(--color-on-error-container)}
.cal-cell.is-on .cal-pill{background:rgba(255,255,255,.3);color:#fff}

.job-ai{border-radius:var(--radius-xl);padding:18px;background:var(--gradient-ai);color:#fff;box-shadow:var(--shadow-lg)}
.job-ai .ja-t{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:800;color:#fff}
.job-ai .ja-t>i[data-ico]{font-size:16px;color:#fff}
.job-ai p{margin-top:10px;font-size:12.5px;line-height:1.65;color:rgba(255,255,255,.94)}
.job-ai .ja-kv{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.job-ai .ja-kv span{padding:3px 9px;border-radius:var(--radius-full);background:rgba(255,255,255,.2);font-size:11.5px;color:#fff}
.job-ai .ja-btn{margin-top:14px;width:100%;justify-content:center;background:#fff;color:var(--color-ai);font-weight:800;border:none}
.job-ai .ja-btn:hover{background:rgba(255,255,255,.9)}

.job-kv{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 18px}
.job-kv div{display:flex;flex-direction:column;gap:2px}
.job-kv b{font-size:12px;font-weight:700;color:var(--color-text-tertiary)}
.job-kv span{font-size:13px;color:var(--color-on-surface)}
.job-kv span.is-none{color:var(--color-text-tertiary)}

/* 职位头卡 */
.job-head{display:flex;align-items:flex-start;gap:18px;flex-wrap:wrap}
.job-head-t{flex:1;min-width:240px}
.job-head-t h2{font-size:19px;font-weight:800;letter-spacing:-.01em;line-height:1.35}
.job-head-t p{font-size:13px;color:var(--color-text-tertiary);margin-top:6px}
.job-head-t .job-metas{margin-top:10px}

/* 命中条件 / 待确认项 */
.job-hits{display:flex;flex-direction:column;gap:7px}
.job-hits-t{font-size:11.5px;font-weight:700;color:var(--color-text-tertiary);margin:12px 0 6px}
.job-hits-t:first-child{margin-top:0}
.job-hit{display:flex;align-items:flex-start;gap:7px;font-size:12.5px;line-height:1.5;color:var(--color-on-surface-variant)}
.job-hit>i[data-ico]{font-size:14px;flex:none;margin-top:1px;color:var(--color-secondary)}
.job-hit.is-risk{color:var(--color-text-tertiary)}
.job-hit.is-risk>i[data-ico]{color:var(--color-accent)}

/* 报考日历图例 */
.job-legend{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--color-text-tertiary);margin-top:14px}
.job-legend span{display:inline-flex;align-items:center;gap:5px}
.job-legend i{width:9px;height:9px;border-radius:var(--radius-xs);background:var(--color-accent-soft);border:1px solid var(--color-accent)}
.job-legend i.is-exam{background:var(--color-error-container);border-color:var(--color-error)}
.job-legend i.is-on{background:var(--gradient-primary);border-color:transparent}

/* AI 逐字输出光标 */
.job-caret{display:inline-block;width:2px;height:13px;margin-left:2px;vertical-align:-2px;background:#fff;animation:job-caret 1s steps(1) infinite}
@keyframes job-caret{50%{opacity:0}}

/* ==========================================================================
   响应式：桌面 → 平板横屏 → 平板竖屏 → 手机
   ========================================================================== */

/* 平板横屏 / 小笔记本 */
@media(max-width:1080px){
  .g-4,.g-5,.g-6{grid-template-columns:repeat(3,1fr)}
  .dir-strip{grid-template-columns:repeat(4,1fr)}
  .dir-item:nth-child(4n){border-right:none}
  .cat-menu-panel{width:520px}
  .track-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:26px}
  .cat-strip{grid-template-columns:repeat(3,1fr)}
  .trust-strip{grid-template-columns:repeat(2,1fr)}
  .quick-strip{grid-template-columns:repeat(3,1fr)}
  .tb-search{max-width:280px}
  .tb-nav a{padding:0 11px}
  .tb-nav a span{display:none}
  .tb-name span{display:none}
  .uc-container{grid-template-columns:210px minmax(0,1fr)}
}

/* 平板竖屏：顶栏收起为「汉堡 + 抽屉」，分类菜单转为横向胶囊条 */
@media(max-width:900px){
  :root{--topbar-h:58px}
  .tb-burger{display:inline-flex}
  .tb-nav,.tb-search,.tb-teacher{display:none}
  .tb-actions{margin-left:auto;gap:7px}
  .topbar-inner{gap:10px}
  .section{padding:32px 0}
  .section-head{margin-bottom:18px}
  .section-title{font-size:21px}
  .page-head{padding:30px 0 20px}
  .page-head h1{font-size:25px}
  .page-head .lead{font-size:13.5px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-inner{padding:36px var(--gutter) 24px}
  .quick-strip{grid-template-columns:repeat(3,1fr);margin-top:14px}
  .hero-split{grid-template-columns:1fr;gap:12px}
  .cat-menu{flex-direction:row;align-items:center;overflow-x:auto;padding:8px;gap:8px;border-radius:999px;scrollbar-width:none;-ms-overflow-style:none}
  .cat-menu::-webkit-scrollbar{display:none}
  .cat-menu>li{flex:none}
  .cat-menu>li::after{display:none!important}
  .cat-menu>li>a{height:38px;padding:0 15px;border-radius:999px;background:var(--color-surface-2);font-size:13.5px;gap:7px;white-space:nowrap}
  .cat-menu>li>a>i:first-child{font-size:15px}
  .cat-menu>li>a .cm-arrow{display:none}
  .cat-menu>li:hover>a{background:var(--color-primary-soft)}
  .cat-menu-panel{display:none!important}
  .hero-split .banner-slides{min-height:260px}
  .banner-slide{padding:32px 28px}
  .banner-slide h2{font-size:23px}
  .news-list{grid-template-columns:1fr;gap:0}
  .service-grid{grid-template-columns:1fr}
  .dir-strip{grid-template-columns:repeat(4,1fr)}
  .dir-item:nth-child(n){border-right:1px solid var(--color-outline)}
  .dir-item:nth-child(4n){border-right:none}
  .radio-banner,.vip-banner{flex-direction:column;align-items:flex-start;padding:28px 24px;gap:18px}
  .radio-banner h3,.vip-banner h3{font-size:19px}
  .radio-banner .btn,.vip-banner .btn{width:100%}
  .radio-disc{order:-1;width:64px;height:64px}
  .radio-disc::after{inset:19px;border-width:2px}
  .radio-disc::before{inset:28px}
  .rank-grid,.review-grid,.route-grid{grid-template-columns:1fr}
  .profile-head-inner{flex-wrap:wrap}
  .profile-head .right{margin-left:0;width:100%}
  .uc-container{grid-template-columns:1fr;gap:16px}
  .uc-side{position:static;top:auto}
  .uc-menu{display:grid;grid-template-columns:repeat(2,1fr)}
  .uc-menu .uc-g{grid-column:1/-1}
  .tb-user .nm{max-width:64px}
}

/* 手机 */
@media(max-width:600px){
  .section{padding:26px 0}
  .section-head{margin-bottom:14px;gap:10px}
  .section-title{font-size:19px}
  .section-sub{font-size:12.5px;margin-top:4px}
  .section-more{font-size:12.5px}
  .grid{gap:12px}
  .g-4,.g-5,.g-6{grid-template-columns:repeat(2,1fr)}
  .g-3,.g-2{grid-template-columns:1fr}
  .quick-strip{grid-template-columns:repeat(2,1fr);gap:10px}
  .quick-item{padding:11px 12px;gap:9px}
  .quick-ico{width:34px;height:34px;font-size:17px;border-radius:10px}
  .quick-item b{font-size:13px}
  .quick-item .qs-sub{font-size:11px}
  .course-body{padding:11px 12px 13px;gap:6px}
  .course-title{font-size:13px}
  .course-meta{font-size:11.5px}
  .course-price{font-size:15.5px}
  .course-cover .cc-play{width:40px;height:40px;font-size:19px}
  .track-strip{grid-template-columns:1fr;gap:12px}
  .track-card{padding:16px}
  .dir-strip{grid-template-columns:repeat(2,1fr)}
  .dir-item{padding:14px 6px;gap:5px}
  .dir-item i{font-size:19px}
  .dir-item b{font-size:12.5px}
  .dir-item span{font-size:11px}
  .footer-grid{grid-template-columns:1fr;gap:18px}
  .footer-inner{padding:30px var(--gutter) 18px}
  .footer-bottom{justify-content:center;text-align:center;margin-top:22px;padding-top:16px}
  .hero-inner{padding:38px var(--gutter) 32px}
  .hero .lead{font-size:14.5px;margin-top:14px}
  .hero-stats{gap:18px;margin-top:26px}
  .hero-stat b{font-size:22px}
  .hero-search{height:50px;margin-top:24px;padding-left:15px}
  .cat-strip{grid-template-columns:repeat(2,1fr);gap:8px}
  .trust-strip{grid-template-columns:1fr}
  .banner-slides{min-height:236px}
  .banner-slide{padding:24px 18px;gap:10px}
  .banner-slide h2{font-size:19px}
  .banner-slide p{font-size:12.5px;line-height:1.6}
  .banner-slide .btn{height:38px;padding:0 18px;font-size:13px;border-radius:10px}
  .banner-dots{right:14px;bottom:12px}
  .page-head h1{font-size:21px}
  .card-pad{padding:16px}
  .panel-b{padding:16px}
  .panel-h{padding:14px 16px;font-size:14px}
  .row-item{padding:12px 14px;gap:11px}
  .stat-card{padding:16px}
  .stat-card b{font-size:21px}
  .uc-panel{padding:15px}
  .uc-panel-t{font-size:14px;margin-bottom:12px;padding-bottom:10px}
  .uc-stats b{font-size:15px}
  .uc-head h2{font-size:18px}
  .radio-banner,.vip-banner{padding:22px 18px;border-radius:16px}
  .radio-banner h3,.vip-banner h3{font-size:17px}
  .radio-banner p,.vip-banner p{font-size:12.5px}
  .plan-card{padding:20px}
  .plan-price{font-size:28px}
  .subnav{padding:10px 0}
  .subnav-inner{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;gap:4px}
  .subnav-inner::-webkit-scrollbar{display:none}
  .subnav a{height:34px;padding:0 13px;font-size:13px;flex:none}
  .tabs{margin-bottom:16px}
  .tab{height:42px;padding:0 13px;font-size:13.5px}
  .filter-bar{gap:8px;margin:14px 0}
  .filter-chip{height:32px;padding:0 13px;font-size:12.5px}
  /* 输入框字号 ≥16px，避免 iOS 聚焦时页面被放大 */
  .input,.hero-search input,.tb-search input,.nd-search input{font-size:16px}
  .toast-stack{left:12px;right:12px;transform:none;align-items:stretch}
  .toast{width:100%;justify-content:center}
  .tb-name{font-size:15.5px}
}

/* 触摸设备：取消悬停位移，避免「粘住」的悬停态 */
@media(hover:none){
  .course-card:hover,.feature-card:hover,.track-card:hover,.service-card:hover,.plan-card:hover,.quick-item:hover,.teacher-card:hover{transform:none}
  .course-card:hover .cc-play{transform:none}
  .btn-primary:hover,.btn-accent:hover,.btn-ai:hover,.tb-search-btn:hover{transform:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* AI 选岗：窄屏单列堆叠 */
@media(max-width:1180px){
  .job-layout{grid-template-columns:minmax(0,1fr) 320px}
  .job-layout--wide,.job-layout--2{grid-template-columns:minmax(0,1fr)}
  .job-layout>.job-aside:first-child{grid-column:1/-1}
  .job-layout>.job-aside:first-child .job-chips{display:flex;flex-wrap:wrap}
}
@media(max-width:900px){
  .job-layout,.job-layout--wide,.job-layout--2{grid-template-columns:minmax(0,1fr)}
  .job-aside{position:static;top:auto}
  .job-stats{grid-template-columns:repeat(3,1fr)}
  .job-kv{grid-template-columns:1fr}
}
@media(max-width:600px){
  .job-cell,.cal-cell{min-height:50px;padding:5px}
  .cal-grid{gap:4px}
  .cal-pill{display:none}
  .job-stats{grid-template-columns:repeat(2,1fr)}
}