/* roulang page: index */
:root{
      --blue:#397a9b;
      --blue-deep:#285d79;
      --blue-soft:#e8f2f6;
      --ink:#203542;
      --muted:#71828b;
      --paper:#fcfcfa;
      --mist:#f2f7f8;
      --line:#dce8ec;
      --orange:#d99563;
      --orange-soft:#fff0e5;
      --white:#fff;
      --radius:18px;
      --shadow:0 14px 38px rgba(37,75,91,.09);
      --shadow-hover:0 19px 42px rgba(37,75,91,.16);
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:all .2s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{max-width:1180px;margin:0 auto;padding:0 24px}
    .site-header{padding:20px 0 0;position:relative;z-index:10}
    .dock{min-height:72px;display:flex;align-items:center;gap:22px;padding:12px 16px 12px 22px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:28px;box-shadow:0 10px 30px rgba(40,82,99,.1)}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px;font-weight:800;color:var(--blue-deep);line-height:1.25}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:18px}
    .brand-name{font-size:15px;letter-spacing:.02em}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:9px 13px;border-radius:10px;color:#5c717c;font-size:14px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:var(--blue-deep);background:var(--blue-soft)}
    .nav-links a.active:after{content:"";display:block;height:2px;width:16px;background:var(--orange);margin:3px auto -5px;border-radius:2px}
    .nav-search{height:42px;display:flex;align-items:center;border:1px solid var(--line);border-radius:12px;padding:0 11px;background:#fff;min-width:180px}
    .nav-search span{color:var(--blue);font-size:17px;margin-right:7px}
    .nav-search input{width:100%;border:0;outline:0;color:var(--ink);font-size:13px}
    .nav-cta,.button-primary{border:0;border-radius:11px;padding:11px 17px;background:var(--blue);color:#fff;font-weight:700;white-space:nowrap}
    .nav-cta:hover,.button-primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}
    .button-secondary{display:inline-block;padding:10px 16px;border:1px solid #b9d0d9;border-radius:11px;color:var(--blue-deep);background:#fff;font-weight:700}
    .button-secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
    .menu-toggle{display:none;background:var(--blue-soft);border:0;border-radius:10px;padding:9px 12px;color:var(--blue-deep)}
    .hero{padding:78px 0 76px}
    .hero-grid{display:grid;grid-template-columns:5.2fr 6.8fr;gap:62px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:25px;height:2px;background:var(--orange);display:inline-block}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,54px);line-height:1.2;letter-spacing:-.04em;margin:17px 0 20px;color:var(--ink)}
    h2{font-size:32px;line-height:1.3;letter-spacing:-.025em;margin:10px 0 14px}
    h3{font-size:19px;line-height:1.4;margin:0 0 9px}
    .hero-copy{font-size:17px;color:var(--muted);max-width:590px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:27px 0 25px}
    .hero-notes{display:flex;gap:19px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .hero-notes strong{display:block;color:var(--blue-deep);font-size:18px;line-height:1.25}
    .index-panel{background:var(--mist);border:1px solid var(--line);border-radius:24px;padding:26px;position:relative;overflow:hidden}
    .index-panel:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:var(--orange-soft);right:-70px;top:-80px}
    .panel-top,.panel-row{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center}
    .panel-top{padding-bottom:20px;border-bottom:1px solid var(--line)}
    .panel-label{color:var(--muted);font-size:13px}
    .panel-number{font-size:55px;font-weight:800;color:var(--blue);line-height:1}
    .status-dot{display:inline-flex;align-items:center;gap:7px;color:var(--blue-deep);font-size:13px}
    .status-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:#6eb18c}
    .tag{display:inline-block;padding:4px 9px;border-radius:7px;background:var(--blue-soft);color:var(--blue-deep);font-size:12px;line-height:1.4;margin:0 4px 5px 0}
    .tag.warm{background:var(--orange-soft);color:#9d6034}
    .panel-row{padding:17px 0;border-bottom:1px dashed #cbdde3;gap:18px}
    .panel-row:last-child{border:0;padding-bottom:2px}
    .row-title{flex:1;font-weight:700}
    .row-meta{font-size:12px;color:var(--muted);white-space:nowrap}
    .section{padding:78px 0}
    .section.alt{background:var(--mist)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-head p{max-width:560px;color:var(--muted);margin-bottom:0}
    .feature-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .stack{display:grid;gap:20px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow);transition:all .22s ease}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#a9c8d3}
    .feature-card{min-height:300px;display:flex;flex-direction:column;justify-content:space-between;border-top:4px solid var(--blue)}
    .icon-box{width:44px;height:44px;border-radius:13px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:21px;margin-bottom:28px}
    .card p{color:var(--muted);font-size:14px;margin-bottom:20px}
    .text-link{color:var(--blue-deep);font-size:14px;font-weight:800}
    .text-link:hover{color:var(--orange)}
    .metric-band{display:grid;grid-template-columns:1.2fr 2fr;gap:45px;align-items:center}
    .metric-band p{color:var(--muted);margin-bottom:0}
    .metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .metric{padding-left:21px;border-left:2px solid #bdd6df}
    .metric strong{display:block;font-size:35px;color:var(--blue);line-height:1.15}
    .metric span{font-size:13px;color:var(--muted)}
    .sample-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:20px;align-items:stretch}
    .sample{padding:0;overflow:hidden}
    .sample-main{grid-row:span 2}
    .thumb{height:164px;background:linear-gradient(135deg,#d9eaf0,#f6e7da);position:relative;display:flex;align-items:end;padding:16px}
    .sample-main .thumb{height:250px}
    .thumb:before{content:"字幕导航";padding:6px 10px;background:rgba(255,255,255,.84);color:var(--blue-deep);font-size:12px;border-radius:6px}
    .sample-body{padding:20px 22px 23px}
    .sample-body p{font-size:13px;margin:8px 0 16px}
    .path{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:0;position:relative}
    .path:before{content:"";position:absolute;top:31px;left:12%;right:12%;border-top:1px dashed #a9c8d3}
    .step{position:relative;z-index:1;text-align:center;padding:0 20px}
    .step-num{margin:0 auto 18px;width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid #aacbd6;color:var(--blue);font-size:20px;font-weight:800}
    .step p{font-size:14px;color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:1.45fr .85fr;gap:24px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .news-item{display:flex;align-items:center;gap:18px;padding:19px 24px;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-date{font-size:12px;color:var(--orange);font-weight:800;min-width:70px}
    .news-title{flex:1;font-weight:700}
    .news-title small{display:block;color:var(--muted);font-size:12px;font-weight:400}
    .side-note{background:var(--blue-deep);color:#fff;border-radius:var(--radius);padding:28px}
    .side-note p{color:#d9e9ee;font-size:14px}
    .side-note .tag{background:rgba(255,255,255,.13);color:#fff}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px}
    .faq-intro p{color:var(--muted)}
    .accordion{margin:0;border:0;background:transparent}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden;background:#fff}
    .accordion-title{border:0!important;color:var(--ink);font-weight:700;font-size:15px;padding:18px 48px 18px 20px}
    .accordion-title:hover{background:var(--blue-soft);color:var(--blue-deep)}
    .accordion-content{border:0!important;background:#fbfdfd;color:var(--muted);font-size:14px;padding:0 20px 18px}
    .cta-panel{background:var(--blue-soft);border:1px solid #cfe1e7;border-radius:24px;padding:39px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
    .cta-panel p{color:var(--muted);font-size:14px}
    .feedback-form{display:grid;gap:12px}
    .feedback-form label{font-size:13px;color:var(--blue-deep);font-weight:700}
    .feedback-form input,.feedback-form select,.feedback-form textarea{border:1px solid #c7dbe2;border-radius:10px;background:#fff;padding:10px 12px;outline:0;color:var(--ink);margin-top:4px}
    .feedback-form textarea{min-height:75px;resize:vertical}
    input:focus,select:focus,textarea:focus,.button-primary:focus,.button-secondary:focus{outline:3px solid rgba(57,122,155,.22);outline-offset:2px}
    .site-footer{margin-top:78px;padding:45px 0 25px;background:#edf4f6;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}
    .footer-brand{font-weight:800;color:var(--blue-deep);font-size:17px}
    .footer-copy{font-size:13px;color:var(--muted);max-width:340px}
    .footer-title{font-weight:800;margin-bottom:10px;color:var(--ink)}
    .footer-links{display:grid;gap:6px;color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--blue-deep)}
    .copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;color:#84949a;font-size:12px;display:flex;justify-content:space-between;gap:20px}
    .toast{display:none;padding:10px 14px;border-radius:9px;background:#e4f3e9;color:#34704e;font-size:13px}
    @media(max-width:1024px){
      .dock{gap:12px}.brand{min-width:215px}.nav-search{min-width:145px}
      .hero-grid{gap:35px}.sample-grid{grid-template-columns:1fr 1fr}.sample-main{grid-row:auto;grid-column:span 2}
    }
    @media(max-width:768px){
      .site-header{padding-top:14px}.dock{position:relative;flex-wrap:wrap;border-radius:19px;padding:11px 13px}
      .brand{min-width:0;flex:1}.brand-name{font-size:13px}.menu-toggle{display:block}
      .nav-links{display:none;order:5;flex-basis:100%;flex-direction:column;align-items:stretch;padding-top:8px;border-top:1px solid var(--line)}
      .nav-links.open{display:flex}.nav-links a{padding:11px 12px}
      .nav-search{order:4;flex:1;min-width:0}.nav-cta{order:3;padding:10px 12px;font-size:13px}
      .hero{padding:55px 0}.hero-grid,.feature-layout,.metric-band,.news-layout,.faq-layout,.cta-panel{grid-template-columns:1fr}
      .section{padding:57px 0}.section-head{display:block}.section-head p{margin-top:12px}
      .metrics{margin-top:18px}.path{grid-template-columns:1fr;gap:26px}.path:before{top:30px;bottom:30px;left:50%;right:auto;border-top:0;border-left:1px dashed #a9c8d3}
      .step{display:grid;grid-template-columns:62px 1fr;text-align:left;gap:18px;align-items:center;padding:0}.step-num{margin:0}.step p{margin:0}
      .footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:5px}
    }
    @media(max-width:520px){
      .container{padding:0 20px}h1{font-size:35px}h2{font-size:27px}.hero-actions .button-primary,.hero-actions .button-secondary{width:100%;text-align:center}
      .index-panel,.card,.cta-panel{padding:21px}.sample-grid{grid-template-columns:1fr}.sample-main{grid-column:auto}.sample-main .thumb,.thumb{height:175px}
      .metrics{grid-template-columns:1fr;gap:17px}.metric strong{font-size:29px}.news-item{padding:16px;gap:10px;align-items:flex-start}.news-date{min-width:57px}
      .footer-grid{grid-template-columns:1fr}.footer-links{gap:8px}
    }

/* roulang page: category2 */
:root{
      --blue:#397a9b;
      --blue-deep:#255d78;
      --blue-soft:#e8f2f6;
      --paper:#fcfcfa;
      --wash:#f3f7f8;
      --ink:#183442;
      --muted:#69808b;
      --line:#dbe7eb;
      --orange:#d58c62;
      --orange-soft:#f8eee7;
      --radius:18px;
      --shadow:0 14px 38px rgba(32,72,88,.09);
      --shadow-hover:0 18px 42px rgba(32,72,88,.15);
      --max:1180px;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{padding:22px 0 0;position:relative;z-index:20}
    .dock{min-height:74px;padding:12px 16px 12px 20px;display:flex;align-items:center;gap:22px;background:rgba(255,255,253,.97);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}
    .brand{display:flex;align-items:center;gap:10px;min-width:198px}
    .brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--blue);color:white;font-size:20px;font-weight:700}
    .brand-name{font-size:14px;line-height:1.25;font-weight:800;letter-spacing:.02em}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:10px 12px;border-radius:10px;font-size:14px;color:#506b76;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--blue-soft);color:var(--blue-deep)}
    .nav-links a.active:after{content:"";display:inline-block;width:5px;height:5px;margin:0 0 3px 7px;border-radius:50%;background:var(--orange)}
    .nav-search{width:194px;display:flex;align-items:center;gap:7px;padding:8px 11px;border:1px solid var(--line);border-radius:12px;background:#fff}
    .nav-search span{font-size:21px;line-height:1;color:var(--blue)}
    .nav-search input{width:100%;border:0;box-shadow:none;background:transparent;outline:0;font-size:13px;color:var(--ink)}
    .nav-search input::placeholder{color:#94a7ae}
    .nav-cta,.button-primary{display:inline-flex;align-items:center;justify-content:center;padding:11px 17px;border-radius:11px;background:var(--blue);color:#fff;border:1px solid var(--blue);font-size:14px;font-weight:700}
    .nav-cta:hover,.button-primary:hover{background:var(--blue-deep);border-color:var(--blue-deep);color:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue-deep);padding:9px 12px;border-radius:10px}
    :focus-visible{outline:3px solid rgba(213,140,98,.45);outline-offset:3px}
    .page-hero{padding:82px 0 74px;background:linear-gradient(90deg,var(--paper) 0%,var(--paper) 58%,#eef5f7 58%,#eef5f7 100%)}
    .hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:72px;align-items:center}
    .eyebrow,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:2px;background:var(--orange)}
    h1,h2,h3{margin:0;color:var(--ink);line-height:1.25}
    h1{max-width:650px;margin:18px 0 20px;font-size:clamp(34px,4.5vw,53px);letter-spacing:-.045em}
    h2{font-size:clamp(27px,3vw,35px);letter-spacing:-.03em}
    h3{font-size:19px}
    .hero-copy{max-width:630px;color:var(--muted);font-size:17px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .button-secondary{display:inline-flex;align-items:center;justify-content:center;padding:11px 17px;border-radius:11px;background:#fff;color:var(--blue-deep);border:1px solid #a9c5d0;font-size:14px;font-weight:700}
    .button-secondary:hover{background:var(--blue-soft);border-color:var(--blue);transform:translateY(-2px)}
    .hero-note{margin-top:24px;color:#80939a;font-size:13px}
    .index-panel{padding:28px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);position:relative}
    .index-panel:before{content:"";position:absolute;left:0;top:28px;bottom:28px;width:4px;background:var(--orange);border-radius:0 4px 4px 0}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;color:var(--muted);font-size:13px}
    .panel-number{font-size:58px;line-height:1;color:var(--blue-soft);font-weight:800}
    .tag{display:inline-flex;align-items:center;padding:4px 9px;border-radius:7px;background:var(--blue-soft);color:var(--blue-deep);font-size:12px;font-weight:700}
    .tag.warm{background:var(--orange-soft);color:#a66342}
    .index-list{list-style:none;margin:0;padding:0}
    .index-list li{display:flex;align-items:center;gap:12px;padding:15px 0;border-top:1px solid var(--line)}
    .index-list li:first-child{border-top:0}
    .index-dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex:none}
    .index-list strong{display:block;font-size:15px}
    .index-list small{color:var(--muted);font-size:12px}
    .section{padding:92px 0}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-heading p{max-width:460px;margin:0;color:var(--muted);font-size:15px}
    .browse-layout{display:grid;grid-template-columns:260px 1fr;gap:30px;align-items:start}
    .filter-box{padding:24px;background:var(--wash);border:1px solid var(--line);border-radius:var(--radius);position:sticky;top:24px}
    .filter-box h3{font-size:17px;margin-bottom:18px}
    .filter-group{padding:18px 0;border-top:1px solid var(--line)}
    .filter-group:first-of-type{border-top:0;padding-top:0}
    .filter-label{display:block;margin-bottom:9px;color:var(--muted);font-size:13px;font-weight:700}
    .filter-options{display:flex;flex-wrap:wrap;gap:7px}
    .filter-chip{padding:6px 9px;border:1px solid #cbdde3;border-radius:8px;background:#fff;color:#56727d;font-size:12px}
    .filter-chip:hover,.filter-chip.is-selected{background:var(--blue);border-color:var(--blue);color:#fff}
    .content-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}
    .result-note{color:var(--muted);font-size:13px}
    .sort-select{min-width:140px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-size:13px}
    .content-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .content-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(32,72,88,.055);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
    .content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#a8c6d1}
    .content-card.featured{grid-column:span 2;display:grid;grid-template-columns:.86fr 1.14fr}
    .thumb{min-height:170px;background:#dcecf1;position:relative;display:flex;align-items:end;padding:18px;overflow:hidden}
    .thumb:after{content:"字幕 · 观看信息 · 索引";position:absolute;right:-10px;top:35px;transform:rotate(-16deg);font-size:25px;font-weight:800;color:rgba(57,122,155,.13);white-space:nowrap}
    .thumb.tone-two{background:#f3e6dc}
    .thumb.tone-three{background:#e5e9f0}
    .thumb.tone-four{background:#e6efe8}
    .thumb-label{position:relative;z-index:1;padding:6px 10px;border-radius:8px;background:rgba(255,255,255,.8);color:var(--blue-deep);font-size:12px;font-weight:700}
    .card-body{padding:22px}
    .card-meta{display:flex;align-items:center;gap:9px;margin-bottom:12px;color:var(--muted);font-size:12px}
    .content-card h3{margin-bottom:9px}
    .content-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .card-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px;padding-top:15px;border-top:1px solid var(--line)}
    .meta-text{color:#82959c;font-size:12px}
    .text-link{color:var(--blue-deep);font-size:13px;font-weight:800}
    .text-link:hover{color:var(--orange)}
    .more-row{text-align:center;margin-top:28px}
    .note-band{padding:68px 0;background:var(--blue-soft)}
    .path-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:18px}
    .path-card{padding:25px;background:rgba(255,255,255,.72);border:1px solid rgba(57,122,155,.18);border-radius:16px}
    .path-no{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.1em}
    .path-card h3{margin:12px 0 7px}
    .path-card p{margin:0;color:var(--muted);font-size:14px}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:72px}
    .faq-intro p{margin-top:16px;color:var(--muted);font-size:15px}
    .accordion{margin:0;border:0;background:transparent}
    .accordion-item{margin-bottom:10px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
    .accordion-title{padding:17px 20px;color:var(--ink);font-size:15px;font-weight:700;border:0;background:#fff}
    .accordion-title:hover{background:var(--blue-soft);color:var(--blue-deep)}
    .accordion-content{padding:0 20px 18px;border:0;background:#fff;color:var(--muted);font-size:14px}
    .feedback{padding:62px 0;background:#eaf3f6}
    .feedback-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .feedback-copy p{margin:16px 0 0;color:var(--muted);font-size:15px}
    .feedback-form{padding:26px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .form-field.full{grid-column:1/-1}
    label{display:block;margin-bottom:6px;color:var(--ink);font-size:13px;font-weight:700}
    input,select,textarea{width:100%;border:1px solid var(--line)!important;border-radius:10px!important;box-shadow:none!important;background:#fff!important;color:var(--ink)!important;padding:11px 12px!important;font-size:14px!important}
    textarea{min-height:98px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--blue)!important;box-shadow:0 0 0 3px rgba(57,122,155,.12)!important}
    .form-submit{margin-top:16px}
    .site-footer{padding:58px 0 25px;background:#f0f5f6;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
    .footer-brand{font-size:18px;font-weight:800}
    .footer-copy{max-width:360px;margin:12px 0 0;color:var(--muted);font-size:14px}
    .footer-title{margin-bottom:12px;font-size:13px;font-weight:800;color:var(--blue-deep)}
    .footer-links{display:flex;flex-direction:column;gap:7px}
    .footer-links a{width:max-content;color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--blue)}
    .copyright{display:flex;justify-content:space-between;gap:15px;margin-top:45px;padding-top:18px;border-top:1px solid var(--line);color:#8da0a6;font-size:12px}
    @media(max-width:1024px){
      .dock{gap:12px}.brand{min-width:180px}.nav-search{width:160px}
      .hero-grid{gap:38px}.section{padding:72px 0}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 40px))}
      .site-header{padding-top:14px}.dock{position:relative;flex-wrap:wrap;border-radius:20px}
      .brand{flex:1}.nav-search,.nav-cta{display:none}.menu-toggle{display:block}
      .nav-links{display:none;order:5;width:100%;flex-direction:column;align-items:stretch;padding-top:10px;border-top:1px solid var(--line)}
      .nav-links.is-open{display:flex}.nav-links a{padding:12px}
      .page-hero{padding:58px 0;background:var(--paper)}.hero-grid,.faq-layout,.feedback-box{grid-template-columns:1fr}
      .hero-grid{gap:35px}.section-heading{display:block}.section-heading p{margin-top:14px}
      .browse-layout{grid-template-columns:1fr}.filter-box{position:static}.content-list{grid-template-columns:1fr}
      .content-card.featured{grid-column:auto;display:block}.path-grid{grid-template-columns:1fr}
      .faq-layout{gap:30px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:5px}
    }
    @media(max-width:520px){
      h1{font-size:34px}.container{width:calc(100% - 32px)}.hero-actions a{width:100%}
      .index-panel{padding:22px}.content-toolbar{align-items:flex-start;flex-direction:column}
      .sort-select{width:100%}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}
      .footer-grid{grid-template-columns:1fr}.section{padding:58px 0}.thumb{min-height:145px}
    }

/* roulang page: category1 */
:root{
      --blue:#397a9b;
      --blue-deep:#245d79;
      --blue-soft:#e9f3f7;
      --blue-pale:#f4f8fa;
      --ink:#203746;
      --muted:#6c7f89;
      --line:#dce8ed;
      --warm:#f4e7d4;
      --coral:#d98268;
      --white:#fff;
      --paper:#fcfcfa;
      --shadow:0 14px 36px rgba(42,82,99,.09);
      --shadow-hover:0 18px 42px rgba(42,82,99,.15);
      --radius:18px;
      --ease:all .22s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(217,130,104,.42);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .site-header{position:relative;z-index:10;padding:24px 0 12px}
    .dock{
      min-height:76px;display:flex;align-items:center;gap:22px;padding:12px 18px;
      background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:27px;
      box-shadow:0 10px 28px rgba(39,76,91,.1)
    }
    .brand{display:flex;align-items:center;gap:10px;min-width:218px}
    .brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:var(--blue);color:#fff;font-weight:800;font-size:19px}
    .brand-name{font-weight:800;line-height:1.25;letter-spacing:.02em;font-size:15px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:10px 13px;border-radius:10px;color:#58717d;font-size:14px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--blue-soft);color:var(--blue-deep)}
    .nav-links a.active{font-weight:700}
    .nav-search{display:flex;align-items:center;width:176px;height:42px;padding:0 11px;border:1px solid var(--line);border-radius:11px;background:#fbfdfd}
    .nav-search span{color:var(--blue);font-size:21px;line-height:1;margin-right:6px}
    .nav-search input{min-width:0;width:100%;border:0;background:transparent;box-shadow:none;color:var(--ink);font-size:13px}
    .nav-search input:focus{outline:0;box-shadow:none}
    .nav-cta,.button-primary{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:var(--blue);color:#fff;font-weight:700;padding:11px 17px;font-size:14px;transition:var(--ease)}
    .nav-cta:hover,.button-primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;color:var(--blue-deep)}
    .page-hero{padding:66px 0 58px;background:linear-gradient(180deg,#f4f9fb 0%,#fcfcfa 100%);border-bottom:1px solid #edf2f3}
    .crumbs{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:23px}
    .crumbs a:hover{color:var(--blue)}
    .crumbs .slash{color:#adc0c8}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--blue-deep);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow::before,.section-kicker::before{content:"";width:25px;height:2px;background:var(--coral)}
    h1,h2,h3{margin:0;color:var(--ink);line-height:1.25;letter-spacing:-.025em}
    h1{font-size:clamp(34px,4.4vw,52px);margin:17px 0 18px;max-width:650px}
    h2{font-size:clamp(27px,3vw,36px)}
    h3{font-size:20px}
    .hero-copy{max-width:650px;color:var(--muted);font-size:17px}
    .hero-actions{display:flex;gap:12px;margin-top:29px;flex-wrap:wrap}
    .button-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid #b9d1dc;color:var(--blue-deep);background:#fff;border-radius:10px;padding:10px 17px;font-weight:700;font-size:14px}
    .button-secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
    .index-panel{position:relative;padding:28px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}
    .index-panel::after{content:"";position:absolute;right:-38px;top:-42px;width:145px;height:145px;border-radius:50%;background:var(--warm);opacity:.6}
    .panel-top{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}
    .panel-label{font-size:13px;color:var(--muted)}
    .panel-number{font-size:54px;font-weight:800;color:var(--blue);line-height:1}
    .panel-line{height:5px;background:#edf4f6;border-radius:99px;margin-bottom:22px;overflow:hidden}
    .panel-line span{display:block;width:64%;height:100%;background:var(--coral);border-radius:inherit}
    .index-row{display:flex;gap:15px;align-items:flex-start;padding:15px 0;border-bottom:1px solid #edf2f3}
    .index-row:last-child{border-bottom:0;padding-bottom:0}
    .row-no{color:var(--coral);font-size:12px;font-weight:800;padding-top:3px}
    .row-title{font-weight:700;font-size:15px}
    .row-meta{display:block;margin-top:3px;color:var(--muted);font-size:12px}
    .section{padding:92px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
    .section-head p{max-width:480px;margin:0;color:var(--muted);font-size:15px}
    .browse-layout{display:grid;grid-template-columns:270px 1fr;gap:28px;align-items:start}
    .filter-panel{position:sticky;top:22px;padding:24px;background:var(--blue-pale);border:1px solid var(--line);border-radius:var(--radius)}
    .filter-panel h3{font-size:18px;margin-bottom:16px}
    .filter-caption{font-size:12px;color:var(--muted);margin:0 0 18px}
    .filter-group{padding:17px 0;border-top:1px solid var(--line)}
    .filter-group strong{display:block;font-size:13px;margin-bottom:10px}
    .filter-option{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin:7px 0}
    .filter-option input{accent-color:var(--blue)}
    .filter-reset{display:block;width:100%;border:1px solid #bdd3dd;background:#fff;color:var(--blue-deep);border-radius:9px;padding:8px;margin-top:18px;font-size:13px}
    .filter-reset:hover{border-color:var(--blue);background:#edf6f8}
    .content-column{min-width:0}
    .search-strip{display:flex;gap:10px;margin-bottom:20px}
    .search-strip input,.feedback-form input,.feedback-form select,.feedback-form textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:none;color:var(--ink);padding:11px 13px}
    .search-strip input:focus,.feedback-form input:focus,.feedback-form select:focus,.feedback-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(57,122,155,.12)}
    .search-strip button{border:0;white-space:nowrap}
    .result-note{font-size:13px;color:var(--muted);margin:0 0 15px}
    .content-list{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 8px 24px rgba(42,82,99,.055);transition:var(--ease)}
    .content-card:hover{transform:translateY(-4px);border-color:#a9c9d6;box-shadow:var(--shadow-hover)}
    .content-card.featured{grid-row:span 2;display:flex;flex-direction:column}
    .thumb{height:142px;border-radius:13px;background:linear-gradient(135deg,#dcecf1,#f4e7d4);position:relative;overflow:hidden;margin-bottom:17px}
    .featured .thumb{height:225px}
    .thumb::before{content:"字幕";position:absolute;left:17px;bottom:16px;padding:4px 9px;background:rgba(255,255,255,.83);border-radius:6px;color:var(--blue-deep);font-size:12px;font-weight:800}
    .thumb::after{content:"";position:absolute;width:90px;height:90px;right:18%;top:18%;border:1px solid rgba(57,122,155,.25);border-radius:50%}
    .card-tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:10px}
    .tag{display:inline-flex;padding:3px 9px;border-radius:999px;background:var(--blue-soft);color:var(--blue-deep);font-size:11px;font-weight:700}
    .tag.warm{background:#f8eee2;color:#a45e49}
    .content-card h3{font-size:19px;margin-bottom:8px}
    .content-card p{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 15px}
    .card-meta{display:flex;justify-content:space-between;gap:8px;color:#80919a;font-size:12px;border-top:1px solid #edf2f3;padding-top:13px;margin-top:auto}
    .card-link{display:inline-block;color:var(--blue-deep);font-weight:700;font-size:13px;margin-top:12px}
    .card-link:hover{color:var(--coral)}
    .note-band{padding:29px 32px;background:var(--blue-soft);border:1px solid #d5e7ed;border-radius:var(--radius);display:grid;grid-template-columns:1fr 1.4fr;gap:34px;align-items:center}
    .note-band h2{font-size:27px}
    .note-band p{margin:0;color:var(--muted);font-size:15px}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .step{position:relative;padding:28px 28px 28px 0;margin-right:28px}
    .step:not(:last-child)::after{content:"";position:absolute;right:0;top:35px;width:1px;height:55px;background:var(--line)}
    .step-no{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.08em}
    .step h3{margin:10px 0 7px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
    .faq-intro p{color:var(--muted);font-size:15px;margin-top:18px}
    .accordion{margin:0;border:0;background:transparent}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden;background:#fff}
    .accordion-title{border:0!important;color:var(--ink);font-weight:700;font-size:15px;padding:17px 20px}
    .accordion-title:hover{background:var(--blue-pale);color:var(--blue-deep)}
    .accordion-content{border:0!important;color:var(--muted);font-size:14px;line-height:1.75;padding:0 20px 18px}
    .feedback{padding:45px;background:#eaf4f7;border:1px solid #d4e7ed;border-radius:22px}
    .feedback-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:start}
    .feedback-copy p{color:var(--muted);font-size:15px;margin:17px 0 0}
    .feedback-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .feedback-form label{display:block;color:var(--blue-deep);font-size:13px;font-weight:700}
    .feedback-form label.full{grid-column:1/-1}
    .feedback-form input,.feedback-form select,.feedback-form textarea{display:block;margin-top:6px}
    .feedback-form textarea{min-height:100px;resize:vertical}
    .form-action{grid-column:1/-1;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .form-hint{color:var(--muted);font-size:12px}
    .site-footer{margin-top:35px;padding:55px 0 25px;background:#eef4f6;border-top:1px solid #e0ebee}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}
    .footer-brand{font-size:21px;font-weight:800;color:var(--blue-deep)}
    .footer-copy{max-width:330px;color:var(--muted);font-size:14px;margin:13px 0 0}
    .footer-title{font-weight:800;font-size:14px;margin-bottom:13px}
    .footer-links{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--blue-deep);padding-left:3px}
    .copyright{display:flex;justify-content:space-between;gap:15px;border-top:1px solid #d9e5e9;margin-top:40px;padding-top:19px;color:#80929b;font-size:12px}
    @media(max-width:1024px){
      .dock{gap:12px}.brand{min-width:190px}.nav-links a{padding:9px 8px;font-size:13px}.nav-search{width:150px}
      .hero-grid{gap:35px}.section{padding:72px 0}
    }
    @media(max-width:768px){
      .container{width:min(100% - 40px,620px)}
      .site-header{padding-top:14px}.dock{position:relative;flex-wrap:wrap;border-radius:19px;padding:12px}
      .brand{flex:1;min-width:0}.nav-search{width:calc(100% - 54px);order:3}.menu-toggle{display:block}
      .nav-links{display:none;order:4;width:100%;flex-direction:column;align-items:stretch;padding-top:8px;border-top:1px solid var(--line)}
      .nav-links.open{display:flex}.nav-links a{padding:11px 12px}.nav-cta{display:none}
      .hero-grid,.faq-layout,.feedback-layout,.note-band{grid-template-columns:1fr}.page-hero{padding:45px 0 48px}
      .browse-layout{grid-template-columns:1fr}.filter-panel{position:static}.content-list{grid-template-columns:1fr}
      .content-card.featured{grid-row:auto}.steps{grid-template-columns:1fr}.step{margin:0;padding:23px 0;border-bottom:1px solid var(--line)}.step:last-child{border:0}.step:not(:last-child)::after{display:none}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}h1{font-size:34px}.hero-copy{font-size:15px}.section{padding:54px 0}
      .index-panel{padding:22px}.section-head{display:block}.section-head p{margin-top:13px}.search-strip{flex-direction:column}
      .feedback{padding:27px 20px}.feedback-form{grid-template-columns:1fr}.feedback-form label.full,.form-action{grid-column:auto}
      .footer-grid{grid-template-columns:1fr}.copyright{display:block;line-height:2}
    }