/* 留痕 · 投资学习门户 — 公共样式 */
:root{
  --navy:#16395c; --deep:#0f2942; --red:#a83a32; --gold:#bd8a2e; --green:#2f7d52;
  --cream:#f6f2ea; --tint:#eef2f7; --ink:#1c2632; --muted:#5f6b78; --line:#d9dee5;
  --serif:'Songti SC','STSong','Noto Serif SC',serif; --sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  --maxw:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--sans);color:var(--ink);background:#fff;line-height:1.7;font-size:17px;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

/* ===== 顶栏 ===== */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;}
.brand{display:flex;align-items:baseline;gap:10px;}
.brand .logo{font-family:var(--serif);font-weight:900;font-size:28px;color:var(--navy);letter-spacing:2px;}
.brand .sub{font-size:13px;color:var(--muted);letter-spacing:3px;}
.menu{display:flex;gap:6px;align-items:center;}
.menu a{padding:8px 16px;border-radius:8px;font-size:16px;color:#33414f;font-weight:500;transition:.15s;}
.menu a:hover{background:var(--tint);color:var(--navy);}
.menu a.active{color:var(--navy);font-weight:700;}
.menu a.active::after{content:"";display:block;height:3px;width:60%;margin:3px auto 0;background:var(--gold);border-radius:2px;}
.navtoggle{display:none;font-size:26px;background:none;border:0;color:var(--navy);cursor:pointer;}
@media(max-width:1160px){.menu a{padding:8px 10px;font-size:15px}.brand .sub{display:none;}}

/* ===== 通用区块 ===== */
section.block{padding:72px 0;}
section.block.tint{background:var(--cream);}
.eyebrow{display:flex;align-items:baseline;gap:14px;margin-bottom:8px;}
.eyebrow .tag{font-family:var(--serif);font-weight:700;font-size:20px;color:var(--gold);}
.eyebrow .en{font-size:15px;color:var(--muted);letter-spacing:2px;}
h1,h2,h3{font-family:var(--serif);color:var(--navy);margin:0;}
.h-sec{font-weight:700;font-size:36px;}
.rule{height:5px;width:84px;background:var(--gold);margin:18px 0 30px;border-radius:2px;}
.lead{font-size:19px;color:#39444f;max-width:760px;}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:10px;font-weight:700;font-size:16px;cursor:pointer;border:2px solid transparent;transition:.15s;}
.btn.primary{background:var(--navy);color:#fff;}
.btn.primary:hover{background:var(--deep);}
.btn.gold{background:var(--gold);color:#3a2c0c;}
.btn.gold:hover{filter:brightness(1.06);}
.btn.ghost{border-color:var(--line);color:var(--navy);background:#fff;}
.btn.ghost:hover{border-color:var(--navy);background:var(--tint);}

/* ===== Hero ===== */
.hero{background:linear-gradient(140deg,#0f2942 0%,#16395c 72%);color:#fff;padding:96px 0 88px;}
.hero .kicker{font-size:16px;letter-spacing:5px;color:#9db4cc;margin-bottom:20px;}
.hero h1{color:#fff;font-weight:900;font-size:62px;line-height:1.1;letter-spacing:2px;}
.hero .gold{color:var(--gold);}
.hero .barline{height:6px;width:160px;background:var(--gold);margin:30px 0 26px;border-radius:3px;}
.hero p.sub{font-size:22px;color:#cdd9e6;font-weight:300;max-width:680px;}
.hero .cta{margin-top:38px;display:flex;gap:16px;flex-wrap:wrap;}
.hero .cta .btn{min-width:124px;justify-content:center;}
.hero .cta .btn.gold{color:#211807;background:#c9932e;border-color:#c9932e;}
.hero .cta .btn.gold:hover{background:#d7a13b;border-color:#d7a13b;filter:none;}
.hero .cta .btn.ghost{color:#102b45;background:#fff;border-color:#fff;}
.hero .cta .btn.ghost:hover{color:#0b2238;background:#eaf0f6;border-color:#eaf0f6;}
.hero .cta .btn:focus-visible{outline:3px solid #f2cf7b;outline-offset:4px;}
.hero-stats{display:flex;gap:40px;margin-top:54px;flex-wrap:wrap;}
.hero-stats .s b{font-family:var(--serif);font-weight:900;font-size:40px;color:var(--gold);}
.hero-stats .s span{display:block;font-size:15px;color:#9db4cc;margin-top:2px;}

/* ===== 首页学习足迹 ===== */
.learning-footprint{background:#f4f0e7;border-bottom:1px solid #e2dacb;padding:34px 0;}
.learning-footprint-inner{display:grid;grid-template-columns:minmax(230px,.72fr) minmax(640px,1.55fr);gap:38px 52px;align-items:center;}
.learning-footprint-kicker{display:block;color:#967029;font-size:11px;font-weight:800;letter-spacing:2.4px;margin-bottom:4px;}
.learning-footprint-copy h2{font-size:30px;line-height:1.25;}
.learning-footprint-copy p{color:#5f6973;font-size:13.5px;line-height:1.65;margin:7px 0 0;max-width:370px;}
.learning-metrics{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid #ded7ca;border-radius:14px;overflow:hidden;box-shadow:0 10px 24px rgba(46,39,27,.06);}
.learning-metric{min-width:0;padding:20px 16px;text-align:center;border-right:1px solid #ebe5da;}
.learning-metric:last-child{border-right:0;}
.learning-metric strong{display:block;color:var(--navy);font:900 25px/1.25 var(--serif);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.learning-metric.personal strong{color:#9c701e;}
.learning-metric span{display:block;color:#71808d;font-size:12px;margin-top:5px;}
.learning-privacy{grid-column:1/-1;color:#7b817f;font-size:11.5px;line-height:1.6;margin:-22px 0 0;}
.home-continue{background:#fff;border-bottom:1px solid var(--line);padding:24px 0;}
.home-continue-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:18px;align-items:center;border:1px solid #ded7ca;border-radius:14px;background:#fffaf1;padding:19px 22px;box-shadow:0 8px 22px rgba(31,42,53,.05);}
.home-continue-mark{width:50px;height:50px;border-radius:12px;display:grid;place-items:center;background:var(--navy);color:#f1c66e;font:900 13px var(--serif);letter-spacing:.6px;}
.home-continue-copy span{display:block;color:#9a722b;font-size:11px;font-weight:800;letter-spacing:1.5px;}
.home-continue-copy h2{font-size:21px;line-height:1.4;margin:2px 0;}
.home-continue-copy p{margin:0;color:#6b7680;font-size:13px;}
@media(max-width:980px){
  .learning-footprint-inner{grid-template-columns:1fr;gap:22px;}
  .learning-footprint-copy p{max-width:680px;}
  .learning-privacy{margin:-8px 0 0;}
}
@media(max-width:680px){
  .learning-footprint{padding:28px 0;}
  .learning-metrics{grid-template-columns:repeat(2,1fr);}
  .learning-metric:nth-child(2){border-right:0;}
  .learning-metric:nth-child(-n+2){border-bottom:1px solid #ebe5da;}
  .learning-metric strong{font-size:23px;}
  .home-continue-card{grid-template-columns:auto 1fr;padding:17px;}
  .home-continue-card .btn{grid-column:1/-1;justify-content:center;}
}

/* ===== 入口卡 ===== */
.grid{display:grid;gap:24px;}
.g4{grid-template-columns:repeat(4,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g2{grid-template-columns:repeat(2,1fr);}
.entry{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px 28px;transition:.18s;display:flex;flex-direction:column;height:100%;}
.entry:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(15,41,66,.12);border-color:transparent;}
.entry .ico{font-size:32px;width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--tint);margin-bottom:18px;}
.entry h3{font-size:24px;margin-bottom:10px;}
.entry p{font-size:15.5px;color:var(--muted);margin:0 0 16px;flex:1;}
.entry .more{font-weight:700;color:var(--navy);font-size:15px;}
.entry.dim{opacity:.72;}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:20px;background:var(--tint);color:var(--muted);margin-left:8px;vertical-align:middle;}
.badge.soon{background:#f3ece0;color:#9a7b32;}
.badge.live{background:#e6f1ea;color:var(--green);}

/* ===== 章节卡网格 ===== */
.chgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.chcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.18s;}
.chcard:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(15,41,66,.12);border-color:transparent;}
.chcard .top{background:linear-gradient(135deg,var(--navy),var(--deep));color:#fff;padding:22px 24px;display:flex;align-items:baseline;justify-content:space-between;}
.chcard .top .no{font-family:var(--serif);font-weight:900;font-size:40px;color:var(--gold);line-height:1;}
.chcard .top .part{font-size:13px;color:#9db4cc;letter-spacing:2px;}
.chcard .body{padding:20px 24px 24px;flex:1;display:flex;flex-direction:column;}
.chcard .body h3{font-size:22px;margin-bottom:8px;}
.chcard .body p{font-size:14.5px;color:var(--muted);margin:0 0 16px;flex:1;}
.chcard .body .go{font-size:14px;font-weight:700;color:var(--navy);}

/* ===== 面包屑 ===== */
.crumb{font-size:14px;color:var(--muted);padding:18px 0;}
.crumb a:hover{color:var(--navy);}

/* ===== 章节聚合页 ===== */
.ch-hero{background:linear-gradient(135deg,#0f2942,#16395c);color:#fff;padding:48px 0 42px;}
.ch-hero .no{font-family:var(--serif);font-weight:900;font-size:30px;color:var(--gold);}
.ch-hero h1{color:#fff;font-size:46px;margin:6px 0 0;}
.unit{display:grid;grid-template-columns:1fr;gap:28px;padding:48px 0;}
.panel{border:1px solid var(--line);border-radius:14px;overflow:hidden;}
.panel .phead{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--tint);border-bottom:1px solid var(--line);}
.panel .phead h3{font-size:20px;}
.panel .pbody{padding:22px 24px;}
.deckframe{position:relative;width:100%;aspect-ratio:16/9;background:#0f2942;}
.deckframe iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:46px 24px;color:var(--muted);background:repeating-linear-gradient(45deg,#fafbfc,#fafbfc 12px,#f4f6f8 12px,#f4f6f8 24px);}
.placeholder .pi{font-size:34px;margin-bottom:10px;}

/* ===== 计算器 ===== */
.calc{display:grid;grid-template-columns:340px 1fr;gap:32px;align-items:start;}
.calc .controls{background:var(--cream);border-radius:14px;padding:26px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:#3a4654;margin-bottom:6px;}
.field input[type=range]{width:100%;accent-color:var(--navy);}
.field .val{font-family:var(--serif);font-weight:700;color:var(--navy);font-size:18px;}
.field input[type=number]{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:15px;}
.result{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:22px;}
.result .r{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 24px;}
.result .r b{display:block;font-family:var(--serif);font-weight:900;font-size:34px;color:var(--navy);}
.result .r.gold b{color:var(--gold);}
.result .r span{font-size:13px;color:var(--muted);}
canvas{max-width:100%;}

/* ===== Footer ===== */
footer.site{background:var(--deep);color:#bccadb;padding:54px 0 30px;margin-top:40px;}
footer.site .cols{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,1.25fr) minmax(120px,.7fr);gap:42px;}
footer.site .logo{font-family:var(--serif);font-weight:900;font-size:26px;color:#fff;letter-spacing:2px;}
footer.site a{color:#bccadb;}footer.site a:hover{color:#fff;}
footer.site h4{color:#fff;font-size:15px;margin:0 0 12px;font-family:var(--sans);font-weight:700;}
footer.site ul{list-style:none;padding:0;margin:0;font-size:14.5px;line-height:2;}
footer.site .footer-sections ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:30px;}
footer.site .footer-sections li{min-width:0;}
footer.site .fine{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:13px;color:#8295aa;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}
.disc{background:#f7ecea;border-left:5px solid var(--red);border-radius:8px;padding:14px 20px;font-size:14px;color:#7a3a32;margin-top:22px;}

/* ===== 连续学习与相关阅读 ===== */
.reading-progress{position:fixed;top:68px;left:0;right:0;height:3px;z-index:51;pointer-events:none;background:rgba(255,255,255,.15);}
.reading-progress i{display:block;height:100%;width:0;background:var(--gold);transition:width .12s linear;}
.reading-status{position:fixed;left:18px;bottom:18px;z-index:46;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.94);box-shadow:0 8px 24px rgba(15,41,66,.12);padding:7px 12px;color:#667482;font-size:11.5px;backdrop-filter:blur(8px);}
.learning-related{padding:44px 0;background:#eef2f7;border-top:1px solid var(--line);}
.learning-related-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:20px;}
.learning-related-head span{color:var(--gold);font-size:11px;font-weight:900;letter-spacing:1.6px;}
.learning-related-head h2{font-size:28px;margin-top:3px;}
.learning-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;}
.learning-related-grid a{display:block;border:1px solid var(--line);border-radius:12px;background:#fff;padding:18px 20px;}
.learning-related-grid a:hover{border-color:var(--gold);box-shadow:0 8px 20px rgba(15,41,66,.08);}
.learning-related-grid b{display:block;color:var(--navy);font:700 17px var(--serif);}
.learning-related-grid span{display:block;color:var(--muted);font-size:12.5px;margin-top:5px;}

/* ===== 全站搜索 ===== */
.search-page{min-height:70vh;background:#f6f7f8;}
.search-hero{background:linear-gradient(138deg,#0b2238,#16395c 72%,#1c4a72);color:#fff;padding:68px 0 56px;}
.search-kicker{color:#ddb65f;font-size:11px;font-weight:900;letter-spacing:2.4px;}
.search-hero h1{color:#fff;font-size:50px;margin:7px 0 9px;}
.search-hero>div>p{color:#cbd7e1;max-width:760px;margin:0;font-size:17px;}
.search-box{display:grid;grid-template-columns:minmax(0,1fr) auto;max-width:820px;margin-top:30px;border:4px solid rgba(255,255,255,.15);border-radius:14px;background:#fff;overflow:hidden;}
.search-box input{min-width:0;border:0;padding:16px 18px;color:#1f2c38;font:16px var(--sans);outline:0;}
.search-box button{border:0;background:var(--gold);color:#2f230e;padding:0 28px;font:800 15px var(--sans);cursor:pointer;}
.search-box button:hover{filter:brightness(1.06);}
.search-suggestions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:17px;color:#9fb3c5;font-size:12px;}
.search-suggestions button{border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.06);color:#e1e9ef;padding:5px 10px;cursor:pointer;}
.search-main{padding:42px 0 70px;}
.search-status{color:#5f6c78;font-size:14px;margin-bottom:18px;}
.search-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:26px;align-items:start;}
.search-filters{position:sticky;top:90px;display:grid;gap:5px;}
.search-filters button{display:flex;align-items:center;justify-content:space-between;gap:10px;border:0;border-radius:8px;background:transparent;padding:10px 12px;color:#526170;text-align:left;cursor:pointer;}
.search-filters button:hover,.search-filters button.active{background:#fff;color:var(--navy);box-shadow:0 5px 14px rgba(15,41,66,.07);}
.search-filters b{font-size:11px;color:#8996a1;}
.search-results{display:grid;gap:12px;}
.search-result{display:block;border:1px solid var(--line);border-radius:13px;background:#fff;padding:20px 23px;transition:.15s;}
.search-result:hover{transform:translateY(-2px);border-color:#c7a65f;box-shadow:0 10px 22px rgba(15,41,66,.09);}
.search-area{display:inline-block;border-radius:999px;background:#edf2f6;color:#35536d;padding:3px 9px;font-size:11px;font-weight:800;}
.search-result h2{font-size:21px;margin:7px 0 5px;}
.search-result p{color:#65727e;font-size:13.5px;line-height:1.75;margin:0;}
.search-result em{display:block;color:#9a7025;font-style:normal;font-size:12.5px;font-weight:800;margin-top:10px;}
.search-empty{border:1px dashed #cbd2d9;border-radius:13px;background:#fff;padding:44px;text-align:center;color:#667582;}
.search-empty strong{display:block;color:var(--navy);font:700 21px var(--serif);}
.search-empty p{max-width:570px;margin:9px auto 0;font-size:14px;}

/* ===== 隐私、版权与内容治理 ===== */
.policy-page{padding:58px 0 76px;background:#f7f8f9;}
.policy-layout{display:grid;grid-template-columns:210px minmax(0,780px);gap:48px;justify-content:center;align-items:start;}
.policy-nav{position:sticky;top:92px;display:grid;border-left:2px solid var(--line);}
.policy-nav a{padding:9px 15px;color:#62707c;font-size:13.5px;}
.policy-nav a:hover{color:var(--navy);border-left:3px solid var(--gold);margin-left:-2px;}
.policy-content{display:grid;gap:20px;}
.policy-content section{scroll-margin-top:92px;border:1px solid var(--line);border-radius:14px;background:#fff;padding:30px 34px;}
.policy-content h2{font-size:27px;margin-bottom:13px;}
.policy-content h3{font-size:19px;}
.policy-content p,.policy-content li{color:#465562;font-size:15px;line-height:1.9;}
.policy-content ul,.policy-content ol{padding-left:22px;}
.policy-label{color:#a47624;font-size:10px;font-weight:900;letter-spacing:1.8px;}
.policy-source{border-top:1px solid var(--line);padding-top:14px;color:#75818b!important;font-size:12.5px!important;}
.policy-source a{color:var(--navy);text-decoration:underline;}
.privacy-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:18px;}
.privacy-actions article{border:1px solid var(--line);border-radius:12px;background:#f7f9fa;padding:20px;}
.privacy-actions p{font-size:13px;line-height:1.75;}
.policy-status{display:none;border-radius:8px;padding:11px 14px;font-size:13px!important;}
.policy-status.success{display:block;background:#eaf5ef;color:#276346;}
.policy-status.error{display:block;background:#f9ecea;color:#913d35;}
.policy-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;}

/* ===== 每日简报 ===== */
.news-hero{background:linear-gradient(138deg,#0b2238 0%,#16395c 72%,#1b4a74 100%);color:#fff;padding:76px 0 62px;}
.news-kicker,.news-label{font-size:12px;font-weight:800;letter-spacing:2.4px;color:var(--gold);}
.news-hero h1{color:#fff;font-size:56px;margin:8px 0 14px;}
.news-hero>div>p{max-width:780px;margin:0;color:#cbd8e4;font-size:19px;font-weight:300;}
.news-hero-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.news-hero-meta span{border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);border-radius:999px;padding:7px 13px;font-size:12.5px;color:#dce6ee;}
.news-main{padding:58px 0 72px;background:#f6f7f8;}
.news-intro{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:26px;}
.news-intro h2,.news-method h2{font-size:32px;margin-top:5px;}
.news-intro>p{max-width:620px;margin:0;color:var(--muted);font-size:14px;text-align:right;}
.news-filters{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:24px;}
.news-filters button{border:1px solid var(--line);background:#fff;color:#4d5b69;border-radius:999px;padding:8px 16px;font:700 13px var(--sans);cursor:pointer;}
.news-filters button:hover,.news-filters button.active{background:var(--navy);border-color:var(--navy);color:#fff;}
.news-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.news-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 27px;display:flex;flex-direction:column;}
.news-card-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;}
.news-category{background:#e9f0f6;color:var(--navy);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800;}
.news-date{color:#8a96a2;font-size:12px;}
.news-card h2{display:grid;grid-template-columns:36px 1fr;gap:10px;font-size:22px;line-height:1.45;}
.news-card h2>span{color:var(--gold);font-size:14px;padding-top:7px;}
.news-summary{color:#43515e;font-size:15px;margin:14px 0 18px;}
.news-impact{background:#f5f7f9;border-left:3px solid var(--gold);padding:14px 16px;margin-bottom:18px;}
.news-impact strong{color:var(--navy);font-size:13px;}
.news-impact p{margin:4px 0 0;color:#5c6976;font-size:13.5px;}
.news-source{margin-top:auto;color:var(--navy);font-size:13px;font-weight:700;}
.news-source:hover{text-decoration:underline;}
.news-empty{grid-column:1/-1;background:#fff;border:1px solid var(--line);border-radius:14px;padding:56px;text-align:center;color:var(--muted);}
.news-empty strong{display:block;color:var(--navy);font-size:22px;}
.news-method{margin-top:50px;background:var(--deep);color:#d4dfe9;border-radius:16px;padding:34px;}
.news-method h2{color:#fff;}
.news-method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:24px;}
.news-method-grid strong{color:#e6bd6b;font-size:15px;}
.news-method-grid p{margin:6px 0 0;color:#b8c7d5;font-size:13.5px;}
.news-fallback-note{margin:18px 0 0;color:#71808d;font-size:12.5px;line-height:1.75;}

@media(max-width:980px){
  .news-list{grid-template-columns:1fr;}
  .news-method-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:680px){
  .news-hero{padding:54px 0 46px;}
  .news-hero h1{font-size:42px;}
  .news-intro{display:block;}
  .news-intro>p{text-align:left;margin-top:12px;}
  .news-method{padding:25px 21px;}
  .news-method-grid{grid-template-columns:1fr;}
}

/* ===== 响应式 ===== */
@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr);}
  .g3,.chgrid{grid-template-columns:repeat(2,1fr);}
  .calc{grid-template-columns:1fr;}
  footer.site .cols{grid-template-columns:1fr 1fr;}
  .learning-related-grid{grid-template-columns:1fr;}
  .policy-layout{grid-template-columns:1fr;}
  .policy-nav{position:static;grid-template-columns:repeat(3,1fr);border:0;}
  .policy-nav a{border-bottom:1px solid var(--line);padding:9px 4px;}
}
@media(max-width:680px){
  .menu{position:fixed;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 16px 16px;display:none;box-shadow:0 12px 24px rgba(0,0,0,.08);}
  .menu.open{display:flex;}
  .menu a{padding:12px 10px;}
  .menu a.active::after{display:none;}
  .navtoggle{display:block;}
  .hero h1{font-size:42px;}
  .h-sec{font-size:28px;}
  .g4,.g3,.g2,.chgrid{grid-template-columns:1fr;}
  .hero-stats{gap:24px;}
  body{font-size:16px;}
  .reading-status{left:10px;bottom:10px;}
  .learning-related-head{display:block;}
  .search-hero{padding:48px 0 42px;}
  .search-hero h1{font-size:40px;}
  .search-box{grid-template-columns:1fr;}
  .search-box button{padding:12px;}
  .search-layout{grid-template-columns:1fr;}
  .search-filters{position:static;display:flex;overflow:auto;}
  .search-filters button{flex:none;}
  .search-result{padding:18px;}
  .policy-page{padding:36px 0 54px;}
  .policy-nav{grid-template-columns:repeat(2,1fr);}
  .policy-content section{padding:23px 20px;}
  .privacy-actions{grid-template-columns:1fr;}
}

/* ===== 章节：要点 / 学习目标 / 自测 ===== */
.keypts{margin:6px 0 0;padding-left:22px;}
.keypts li{margin:8px 0;font-size:16.5px;color:#39444f;line-height:1.7;}
.objlist{list-style:none;padding:0;margin:6px 0 0;display:grid;gap:10px;}
.objlist li{display:flex;gap:12px;align-items:flex-start;font-size:16.5px;color:#39444f;}
.objlist li::before{content:"✓";color:var(--green);font-weight:900;}
.qa{margin:2px 0;}
.qa .q{font-size:17px;font-weight:600;margin:16px 0 8px;color:#26323f;}
.qa .opt{font-size:16px;color:#39444f;margin:3px 0 3px 6px;}
details{background:var(--tint);border:1px solid var(--line);border-radius:8px;padding:11px 16px;margin:8px 0 2px;}
details[open]{background:#fff;}
summary{cursor:pointer;font-weight:700;color:var(--navy);font-size:15px;list-style:none;}
summary::-webkit-details-marker{display:none;}
summary::before{content:"▸ ";color:var(--gold);}
details[open] summary::before{content:"▾ ";}
.ans{margin-top:10px;font-size:15.5px;color:#2b3743;line-height:1.8;}
.ans b{color:var(--green);}

/* ===== 资料页表格 / 习题 ===== */
table.dtab{border-collapse:collapse;margin:6px 0 14px;font-size:15px;width:auto;max-width:100%;}
table.dtab th,table.dtab td{border:1px solid var(--line);padding:7px 14px;text-align:center;}
table.dtab th{background:var(--tint);color:var(--navy);font-weight:700;}
.exlist{counter-reset:none;}
.exsub{font-family:var(--serif);font-weight:700;font-size:22px;color:var(--navy);margin:34px 0 10px;padding-bottom:8px;border-bottom:2px solid var(--gold);}
ol.qlist{padding-left:26px;margin:10px 0 22px;}
ol.qlist>li{margin:0 0 18px;line-height:1.85;color:#2b3743;}
ol.qlist ol{margin:8px 0;}
.opts{color:#39444f;margin-top:6px;}

/* ===== 在线精讲（电子讲义）===== */
.read{max-width:880px;margin:0 auto;font-size:18px;line-height:1.95;color:#26323f;}
.read h2.rsec{font-family:var(--serif);font-weight:700;font-size:30px;color:var(--navy);margin:48px 0 8px;padding-top:14px;border-top:2px solid var(--gold);}
.read h3.rsub{font-family:var(--serif);font-weight:700;font-size:23px;color:var(--navy);margin:34px 0 8px;}
.read h4{font-family:var(--serif);font-weight:700;font-size:19px;color:#26323f;margin:24px 0 6px;}
.read p{margin:0 0 16px;}
.read ul,.read ol{margin:8px 0 18px;padding-left:26px;}
.read li{margin:7px 0;}
.read figure.figblk{margin:26px 0;text-align:center;}
.read figure.figblk img{max-width:100%;height:auto;border:1px solid var(--line);border-radius:8px;}
.read figure.figblk .figimages{display:flex;gap:14px;justify-content:center;align-items:flex-start;flex-wrap:wrap;}
.read figure.figblk.figgrid img{width:min(100%,420px);}
.figsource{margin-top:8px;color:var(--muted);font-size:13px;line-height:1.6;text-align:left;}
.read figure.tabblk{margin:24px 0;text-align:center;overflow-x:auto;-webkit-overflow-scrolling:touch;}
.read figcaption{font-size:14.5px;color:var(--muted);margin-top:10px;}
.read .mjx-container,.caseblk .mjx-container,.exblk .mjx-container,.nbblk .mjx-container,ol.qlist .mjx-container,
.read mjx-container,.caseblk mjx-container,.exblk mjx-container,.nbblk mjx-container,ol.qlist mjx-container{display:block;overflow-x:auto!important;overflow-y:hidden!important;max-width:100%;min-width:0;-webkit-overflow-scrolling:touch;}
figure.tabblk,table.dtab{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;}
.read,.caseblk,.exblk,.nbblk,ol.qlist{min-width:0;max-width:100%;}
.read p,.read li,.caseblk p,.caseblk li,.exblk p,.exblk li,.nbblk p,.nbblk li,ol.qlist li{min-width:0;max-width:100%;overflow-wrap:anywhere;word-break:break-word;}
.read .rbox{border:1px solid var(--line);border-radius:12px;margin:24px 0;overflow:hidden;}
.read .rbox .rh{padding:12px 22px;font-weight:700;font-size:16px;color:#fff;}
.read .rbox .rc{padding:16px 24px;font-size:16.5px;line-height:1.85;background:#fff;min-width:0;overflow-x:auto;-webkit-overflow-scrolling:touch;}
.read .rbox.case .rh{background:linear-gradient(135deg,#16395c,#0f2942);}
.read .rbox.ex .rh{background:var(--green);}
.read .rbox.law .rh{background:#7a6a3a;}
.read .rbox.note{border-left:5px solid var(--navy);background:#f7f9fb;}
.read .rbox.note .rh{background:transparent;color:var(--navy);padding-bottom:0;}
.read .rbox.note .rc{background:transparent;}
.read .rtoc{background:var(--cream);border-radius:12px;padding:20px 26px;margin:0 0 30px;}
.read .rtoc a{color:var(--navy);font-weight:600;}
.read .rtoc li{margin:5px 0;}
.readbar{position:sticky;top:68px;z-index:5;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);padding:10px 0;font-size:14px;}

/* ===== 在线精讲：浮动目录 + 回到顶部 ===== */
.rtocfloat{position:fixed;right:24px;top:120px;width:210px;max-height:70vh;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:0 8px 24px rgba(15,41,66,.08);z-index:20;}
.rtocfloat .tt{font-weight:700;color:var(--navy);font-size:14px;margin-bottom:8px;}
.rtocfloat ul{list-style:none;margin:0;padding:0;}
.rtocfloat li{margin:4px 0;}
.rtocfloat a{font-size:13.5px;color:#5f6b78;display:block;padding:3px 6px;border-radius:6px;line-height:1.4;}
.rtocfloat a:hover{background:var(--tint);color:var(--navy);}
.totop{position:fixed;right:28px;bottom:28px;width:46px;height:46px;border-radius:50%;border:0;background:var(--navy);color:#fff;font-size:20px;cursor:pointer;display:none;z-index:21;box-shadow:0 6px 18px rgba(15,41,66,.25);}
@media(max-width:1180px){.rtocfloat{display:none;}}

/* ===== 术语速查 ===== */
.glsearch{width:100%;max-width:520px;padding:12px 16px;border:1px solid var(--line);border-radius:10px;font-size:16px;margin-bottom:8px;}
.glitem{border:1px solid var(--line);border-radius:10px;padding:16px 20px;margin:0 0 12px;}
.glitem h4{margin:0 0 6px;color:var(--navy);font-size:18px;font-family:var(--serif);}
.glitem .ch{font-size:12px;color:var(--muted);background:var(--tint);padding:2px 8px;border-radius:10px;margin-left:8px;font-weight:600;}
.glitem p{margin:0;font-size:15.5px;color:#39444f;line-height:1.7;}

/* ===== 打印样式（习题/精讲可干净打印）===== */
@media print{
  header.site,footer.site,.rtocfloat,.totop,.navtoggle,.crumb{display:none !important;}
  .ch-hero,.hero{background:#fff !important;color:#000 !important;padding:0 0 12px !important;}
  .ch-hero h1,.hero h1,.ch-hero .no,.hero .kicker{color:#000 !important;}
  body{font-size:12pt;background:#fff;}
  .read{max-width:none;}
  section.block{padding:8px 0 !important;}
  a{color:#000 !important;text-decoration:none;}
  details{border:0;background:#fff;} details summary{display:none;} details .ans{display:block;}
}

/* ===== 投资者交流 ===== */
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.community-hero{background:
  radial-gradient(circle at 79% 34%,rgba(189,138,46,.18),transparent 24%),
  linear-gradient(135deg,#0b2238 0%,#16395c 72%,#1a456d 100%);
  color:#fff;padding:74px 0 68px;overflow:hidden;}
.community-hero-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,.7fr);gap:70px;align-items:end;}
.community-kicker{display:block;color:#a9bfd3;letter-spacing:3px;font-size:13px;font-weight:700;margin-bottom:18px;}
.community-hero h1{font-size:54px;line-height:1.16;color:#fff;letter-spacing:1px;}
.community-hero h1 span{color:#e1b760;}
.community-hero p{max-width:680px;color:#c8d7e4;font-size:18px;line-height:1.8;margin:22px 0 0;}
.community-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px;}
.community-ghost{color:#fff;border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.04);}
.community-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5);}
.community-meter{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);border-radius:16px;overflow:hidden;box-shadow:0 24px 50px rgba(0,0,0,.17);}
.community-meter div{background:rgba(7,27,45,.42);padding:24px 16px;text-align:center;}
.community-meter strong{display:block;font-family:var(--serif);color:#e1b760;font-size:34px;line-height:1.1;}
.community-meter span{display:block;color:#afc1d1;font-size:12px;margin-top:7px;}
.community-meter p{grid-column:1/-1;margin:0;padding:13px 18px;background:rgba(7,27,45,.68);font-size:12px;color:#afc1d1;max-width:none;}
.community-meter p .pulse{display:inline-block;width:8px;height:8px;border-radius:50%;background:#6fc18e;margin:0 7px 0 0;box-shadow:0 0 0 5px rgba(111,193,142,.12);}
.community-main{background:#f3f5f7;padding:34px 0 72px;min-height:720px;}
.community-toolbar{display:flex;justify-content:space-between;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:13px;padding:11px 12px;margin-bottom:20px;}
.community-tabs{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.community-tabs button{border:0;background:transparent;color:#536171;font:600 14px var(--sans);padding:9px 14px;border-radius:8px;cursor:pointer;}
.community-tabs button:hover{background:var(--tint);color:var(--navy);}
.community-tabs button.active{background:var(--navy);color:#fff;}
.community-tabs .admin-tab b{display:inline-grid;place-items:center;min-width:18px;height:18px;margin-left:4px;border-radius:10px;background:var(--red);color:#fff;font-size:11px;}
.community-tools{display:flex;align-items:center;gap:8px;}
.community-tools input,.community-tools select{height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#33414f;font:14px var(--sans);padding:0 11px;outline:none;}
.community-tools input:focus,.community-tools select:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(22,57,92,.1);}
.community-tools input{width:200px;}
.community-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start;}
.community-feed{display:grid;gap:13px;}
.topic-card{display:grid;grid-template-columns:76px minmax(0,1fr);background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.16s;}
.topic-card:hover{border-color:#c7ced7;box-shadow:0 10px 28px rgba(15,41,66,.07);}
.topic-card.pending{border-style:dashed;border-color:#d6a94f;background:#fffcf5;}
.topic-vote{display:flex;flex-direction:column;align-items:center;padding:22px 10px;background:#f8fafb;border-right:1px solid #e7ebef;color:var(--muted);}
.topic-vote button{width:32px;height:32px;border:1px solid #d9e0e6;border-radius:9px;background:#fff;color:var(--navy);font-size:18px;cursor:pointer;line-height:1;}
.topic-vote button:hover,.topic-vote button.liked{border-color:var(--gold);background:#fff9eb;color:#9b6a15;}
.topic-vote strong{font:800 18px var(--serif);color:var(--navy);margin-top:5px;}
.topic-vote span{font-size:11px;color:#82909d;}
.topic-main{padding:20px 23px 18px;min-width:0;}
.topic-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12px;color:#708090;margin-bottom:7px;}
.topic-meta a:hover{color:var(--navy);}
.topic-type{padding:3px 9px;border-radius:12px;font-weight:700;}
.type-问答{background:#e8f1fa;color:#2b638f;}
.type-讨论{background:#f3ecdf;color:#8a661d;}
.type-笔记{background:#e7f2eb;color:#28704a;}
.topic-status{display:inline-flex;padding:2px 8px;border-radius:10px;background:#fff1d1;color:#926516;font-size:11px;font-weight:700;}
.topic-title{display:block;border:0;background:none;text-align:left;padding:0;color:var(--navy);font:700 22px/1.45 var(--serif);cursor:pointer;width:100%;}
.topic-title:hover{color:#245a88;}
.topic-excerpt{color:#5b6875;font-size:14.5px;line-height:1.75;margin:7px 0 13px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;}
.topic-foot{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:12px;border-top:1px solid #edf0f2;font-size:12px;color:#7b8895;}
.topic-foot>div{display:flex;align-items:center;gap:7px;}
.topic-foot b{color:#4a5866;font-size:12px;}
.topic-foot time{padding-left:5px;border-left:1px solid #dfe4e8;}
.topic-foot button{border:0;background:none;color:#647383;cursor:pointer;font:13px var(--sans);padding:5px;}
.topic-foot button:hover{color:var(--navy);}
.avatar{display:inline-grid;place-items:center;width:43px;height:43px;border-radius:13px;background:linear-gradient(145deg,#1b4a74,#102b46);color:#fff;font:700 13px var(--serif);letter-spacing:1px;flex:none;}
.avatar.small{width:27px;height:27px;border-radius:8px;font-size:10px;}
.topic-detail{margin-top:18px;border-top:1px solid #e5e9ed;padding-top:18px;}
.topic-detail[hidden]{display:none;}
.topic-content{font-size:15px;color:#33414f;line-height:1.86;white-space:pre-wrap;background:#f8fafb;border-radius:10px;padding:16px 18px;}
.reply-list{display:grid;gap:0;margin-top:14px;}
.reply-item{display:flex;gap:11px;padding:14px 2px;border-bottom:1px solid #edf0f2;}
.reply-body{min-width:0;flex:1;}
.reply-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:#87929d;}
.reply-meta b{font-size:13px;color:#40505f;}
.reply-body p{margin:4px 0 0;color:#485765;font-size:14px;line-height:1.75;}
.empty-replies{font-size:13px;color:#87929d;text-align:center;padding:10px;}
.reply-form{display:flex;gap:8px;margin-top:15px;}
.reply-form input{flex:1;min-width:0;border:1px solid var(--line);border-radius:9px;padding:10px 12px;font:14px var(--sans);outline:none;}
.reply-form input:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(22,57,92,.08);}
.reply-form button,.reply-signin{border:0;border-radius:9px;background:var(--navy);color:#fff;font:700 13px var(--sans);padding:9px 16px;cursor:pointer;}
.reply-signin{margin-top:14px;}
.moderation-actions{display:flex;gap:7px;margin-top:11px;}
.moderation-actions button{border:0;border-radius:7px;padding:6px 12px;background:var(--green);color:#fff;font:700 12px var(--sans);cursor:pointer;}
.moderation-actions button.reject{background:var(--red);}
.community-sidebar{display:grid;gap:16px;position:sticky;top:88px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 21px;}
.side-label{display:block;font-size:11px;font-weight:800;color:var(--gold);letter-spacing:2px;margin-bottom:11px;}
.side-card h2{font-size:20px;color:var(--navy);}
.side-card p{font-size:13.5px;color:#687583;line-height:1.7;margin:7px 0 0;}
.side-link{display:inline-block;margin-top:13px;color:var(--navy);font-size:13px;font-weight:700;}
.viewer-row{display:flex;gap:11px;align-items:center;}
.viewer-row h2{font-size:17px;}
.viewer-row p{margin-top:2px;}
.moderator-badge{display:inline-block;margin-top:12px;padding:4px 9px;border-radius:12px;background:#e9f2ed;color:#2f704d;font-size:11px;font-weight:700;}
.community-modes,.rule-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.community-modes li{display:grid;grid-template-columns:46px 1fr;gap:10px;align-items:baseline;}
.community-modes b{color:var(--navy);font-size:14px;}
.community-modes span,.rule-list li{color:#667482;font-size:13px;}
.rule-list li{position:relative;padding-left:17px;line-height:1.55;}
.rule-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--gold);}
.side-note{border-top:1px solid #e7eaed;padding-top:12px;margin-top:15px!important;color:#8a5b53!important;}
.community-loading,.community-empty{background:#fff;border:1px solid var(--line);border-radius:14px;text-align:center;padding:68px 24px;color:#768492;}
.community-loading span{display:inline-block;width:8px;height:8px;margin:0 3px;border-radius:50%;background:var(--gold);animation:community-bounce .9s infinite alternate;}
.community-loading span:nth-child(2){animation-delay:.2s}.community-loading span:nth-child(3){animation-delay:.4s}
.community-loading p{font-size:13px;}
.community-empty strong{display:block;color:var(--navy);font:700 22px var(--serif);}
.community-empty p{margin:7px 0 18px;}
.community-empty.error strong{color:var(--red);}
@keyframes community-bounce{to{transform:translateY(-7px);opacity:.55}}
.composer{width:min(720px,calc(100% - 30px));max-height:90vh;border:0;border-radius:18px;padding:0;box-shadow:0 30px 100px rgba(4,20,34,.36);color:var(--ink);}
.composer::backdrop{background:rgba(7,24,40,.68);backdrop-filter:blur(3px);}
.composer-shell{padding:0;margin:0;}
.composer-head{display:flex;align-items:flex-start;justify-content:space-between;padding:24px 28px 20px;background:var(--deep);color:#fff;}
.composer-head span{font-size:10px;letter-spacing:2px;color:#9fb3c6;}
.composer-head h2{color:#fff;font-size:27px;margin-top:3px;}
.dialog-close{border:0;background:rgba(255,255,255,.1);color:#fff;width:34px;height:34px;border-radius:50%;font-size:23px;cursor:pointer;}
.composer-shell>label,.composer-grid{margin:18px 28px 0;}
.composer-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.composer label{display:grid;gap:6px;color:#394858;font-size:13px;font-weight:700;}
.composer label small{font-weight:400;color:#89939d;}
.composer input[type=text],.composer input:not([type]),.composer input[name=title],.composer select,.composer textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:11px 12px;background:#fff;color:var(--ink);font:14px/1.6 var(--sans);outline:none;}
.composer textarea{resize:vertical;min-height:150px;}
.composer input:focus,.composer select:focus,.composer textarea:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(22,57,92,.09);}
.composer .rule-check{display:flex;grid-template-columns:auto 1fr;align-items:start;gap:9px;background:#fff9ed;border:1px solid #ead8b3;border-radius:9px;padding:11px 13px;font-weight:500;font-size:12.5px;}
.rule-check input{margin-top:3px;accent-color:var(--navy);}
.composer-foot{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:20px;padding:17px 28px 22px;border-top:1px solid #e4e8eb;}
.composer-foot p{margin:0;color:#7a8793;font-size:12px;}
.community-toast{position:fixed;left:50%;bottom:30px;z-index:100;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#183b5e;color:#fff;border-radius:10px;padding:12px 18px;box-shadow:0 12px 30px rgba(10,30,48,.25);font-size:14px;transition:.2s;}
.community-toast.show{transform:translate(-50%,0);opacity:1;}
.community-toast.error{background:#8d3932;}
@media(max-width:980px){
  .community-hero-grid{grid-template-columns:1fr;gap:38px;}
  .community-meter{max-width:560px;}
  .community-layout{grid-template-columns:1fr;}
  .community-sidebar{position:static;grid-template-columns:repeat(3,1fr);}
  .community-toolbar{align-items:stretch;flex-direction:column;}
  .community-tools{flex-wrap:wrap;}
  .community-tools input{flex:1;min-width:190px;}
}
@media(max-width:720px){
  .community-hero{padding:50px 0 46px;}
  .community-hero h1{font-size:38px;}
  .community-hero p{font-size:16px;}
  .community-meter strong{font-size:27px;}
  .community-main{padding-top:20px;}
  .community-toolbar{border-radius:11px;}
  .community-tools{display:grid;grid-template-columns:1fr 1fr;}
  .community-search{grid-column:1/-1;}
  .community-tools input,.community-tools select{width:100%;}
  .topic-card{grid-template-columns:1fr;}
  .topic-vote{display:none;}
  .topic-main{padding:18px 17px 16px;}
  .topic-title{font-size:19px;}
  .topic-foot{align-items:flex-start;}
  .topic-foot>div{flex-wrap:wrap;}
  .community-sidebar{grid-template-columns:1fr;}
  .composer-grid{grid-template-columns:1fr;}
  .composer-shell>label,.composer-grid{margin-left:18px;margin-right:18px;}
  .composer-head{padding:20px 18px;}
  .composer-foot{padding:16px 18px;align-items:flex-end;}
  .reply-form{flex-direction:column;}
}

/* ===== 我的学习 ===== */
.study-hero{background:linear-gradient(135deg,#102b45 0%,#183f63 72%,#28506d 100%);color:#fff;padding:72px 0 68px;}
.study-hero-inner{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(320px,.7fr);gap:70px;align-items:end;}
.study-hero span{display:block;color:#d7ad57;font-size:13px;font-weight:800;letter-spacing:3px;margin-bottom:16px;}
.study-hero h1{color:#fff;font-size:52px;line-height:1.15;margin:0;}
.study-hero p{color:#cbd8e4;font-size:18px;line-height:1.85;max-width:760px;margin:22px 0 0;}
.study-hero-route{display:flex;align-items:center;justify-content:center;gap:12px;padding:24px 20px;border:1px solid rgba(255,255,255,.18);border-radius:16px;background:rgba(255,255,255,.06);}
.study-hero-route b{color:#fff;font-size:16px;white-space:nowrap;}
.study-hero-route i{color:#d7ad57;font-style:normal;}
.study-main{background:#f5f3ed;padding:42px 0 64px;min-height:560px;}
.study-loading{text-align:center;padding:90px 20px;color:#697681;}
.study-loading span{display:block;width:34px;height:34px;margin:0 auto 22px;border:3px solid #d8dfe5;border-top-color:#b8872f;border-radius:50%;animation:study-spin .8s linear infinite;}
.study-loading h2{font-size:28px;margin-bottom:8px;}
@keyframes study-spin{to{transform:rotate(360deg)}}
.study-account{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#fff;border:1px solid #e0ddd5;border-radius:16px;padding:22px 24px;margin-bottom:24px;box-shadow:0 8px 24px rgba(31,48,60,.05);}
.study-account-copy{display:flex;align-items:center;gap:15px;min-width:0;}
.study-avatar{width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:#173a5b;color:#fff;font:800 18px var(--serif);flex:0 0 auto;}
.study-account h2{font-size:22px;margin:0 0 3px;}
.study-account p{color:#687681;font-size:13px;margin:0;}
.study-account-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end;}
.study-sync{font-size:12px;color:#78848c;}
.study-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px;}
.study-summary article{background:#fff;border:1px solid #e0ddd5;border-radius:14px;padding:22px 20px;}
.study-summary span{display:block;color:#7a8790;font-size:12px;font-weight:700;margin-bottom:8px;}
.study-summary strong{display:block;color:#12324e;font:900 30px/1.15 var(--serif);}
.study-summary em{display:block;color:#8a9298;font-size:11.5px;font-style:normal;margin-top:6px;}
.study-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(290px,.65fr);gap:24px;align-items:start;}
.study-panel{background:#fff;border:1px solid #e0ddd5;border-radius:16px;padding:26px;box-shadow:0 8px 24px rgba(31,48,60,.04);margin-bottom:24px;}
.study-panel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:20px;}
.study-panel-head span{display:block;color:#a07528;font-size:11px;font-weight:800;letter-spacing:1.7px;margin-bottom:5px;}
.study-panel-head h2{font-size:25px;margin:0;}
.study-panel-head a{color:#173a5b;font-weight:700;font-size:13px;}
.continue-card{display:grid;grid-template-columns:78px minmax(0,1fr) auto;gap:18px;align-items:center;border-radius:14px;padding:20px;background:linear-gradient(135deg,#eef3f7,#f8f5ed);border:1px solid #dce3e8;}
.continue-mark{width:62px;height:62px;display:grid;place-items:center;border-radius:14px;background:#173a5b;color:#d9ad55;font:900 22px var(--serif);}
.continue-card span{display:block;color:#91702f;font-size:11px;font-weight:800;margin-bottom:4px;}
.continue-card h3{font-size:21px;margin:0 0 4px;}
.continue-card p{color:#71808a;font-size:13px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.course-progress-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.course-progress-card{border:1px solid #e1e5e8;border-radius:13px;padding:18px;color:inherit;transition:.15s;}
.course-progress-card:hover{border-color:#b9c6d0;box-shadow:0 8px 18px rgba(23,58,91,.07);}
.course-progress-card header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;}
.course-progress-card h3{font-size:18px;margin:0;}
.course-progress-card b{font-size:13px;color:#9a7229;white-space:nowrap;}
.course-progress-track{height:7px;border-radius:99px;background:#e8ecef;overflow:hidden;}
.course-progress-track i{display:block;height:100%;background:linear-gradient(90deg,#173a5b,#c38d2c);border-radius:inherit;}
.course-progress-card p{color:#7b8790;font-size:12px;margin:8px 0 0;}
.study-list{display:grid;gap:10px;}
.study-list a,.study-list .study-empty{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid #e3e6e8;border-radius:11px;padding:14px 15px;color:inherit;}
.study-list a:hover{background:#f7f9fa;border-color:#cbd5dc;}
.study-list b{font-size:14px;}
.study-list span{color:#7a8790;font-size:11.5px;}
.study-list em{font-style:normal;color:#a27125;font-weight:800;font-size:12px;white-space:nowrap;}
.study-empty{color:#7a8790;font-size:13px;line-height:1.7;}
.study-side .study-panel{padding:22px;}
.study-side .study-panel-head h2{font-size:22px;}
.study-time-bars{display:grid;grid-template-columns:repeat(7,1fr);gap:7px;align-items:end;height:112px;margin-top:10px;}
.study-time-bars div{height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px;}
.study-time-bars i{display:block;width:100%;min-height:3px;background:linear-gradient(180deg,#c18b2c,#173a5b);border-radius:5px 5px 2px 2px;}
.study-time-bars span{font-size:10px;color:#849099;}
.simulation-summary{display:grid;gap:11px;}
.simulation-summary>div{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid #ece9e2;padding-bottom:10px;}
.simulation-summary span{color:#7b8790;font-size:12px;}
.simulation-summary strong{color:#153650;font-size:16px;}
.simulation-summary .positive{color:#a33a31;}.simulation-summary .negative{color:#2b7558;}
.study-login-box{text-align:center;padding:12px 4px 2px;}
.study-login-box p{color:#71808a;font-size:13px;line-height:1.7;margin:0 0 14px;}
.study-privacy{background:#132f49;color:#c6d3de;padding:26px 0;}
.study-privacy .wrap{display:flex;align-items:flex-start;gap:22px;}
.study-privacy b{color:#fff;white-space:nowrap;}
.study-privacy p{font-size:12.5px;line-height:1.8;margin:0;}
.learning-quick-actions{position:fixed;right:22px;bottom:22px;z-index:85;display:flex;gap:9px;padding:9px;background:rgba(255,255,255,.94);border:1px solid #dce1e4;border-radius:13px;box-shadow:0 12px 30px rgba(20,42,59,.16);backdrop-filter:blur(9px);}
.learning-quick-actions button,.learning-quick-actions a{border:0;border-radius:9px;background:#eef2f5;color:#173a5b;padding:10px 14px;font:700 13px var(--sans);cursor:pointer;}
.learning-quick-actions button.on{background:#b9862d;color:#fff;}
.learning-quick-actions a{background:#173a5b;color:#fff;}
@media(max-width:980px){
  .study-hero-inner{grid-template-columns:1fr;gap:34px;}.study-hero-route{max-width:520px;}
  .study-summary{grid-template-columns:repeat(2,1fr);}.study-layout{grid-template-columns:1fr;}
}
@media(max-width:680px){
  .study-hero{padding:52px 0 48px;}.study-hero h1{font-size:38px;}.study-hero p{font-size:16px;}
  .study-hero-route{gap:7px;padding:18px 12px;}.study-hero-route b{font-size:13px;}
  .study-main{padding-top:24px;}.study-account{align-items:flex-start;flex-direction:column;}
  .study-account-actions{justify-content:flex-start;}.study-summary{gap:10px;}.study-summary article{padding:18px 14px;}
  .study-summary strong{font-size:25px;}.study-panel{padding:20px 16px;}.course-progress-grid{grid-template-columns:1fr;}
  .continue-card{grid-template-columns:58px minmax(0,1fr);}.continue-mark{width:52px;height:52px;}.continue-card .btn{grid-column:1/-1;justify-content:center;}
  .study-privacy .wrap{display:block;}.study-privacy b{display:block;margin-bottom:8px;}.learning-quick-actions{right:12px;bottom:12px;}
  .learning-quick-actions button,.learning-quick-actions a{padding:9px 11px;font-size:12px;}
}