/* roulang page: index */
:root{
      --ink:#20221f;
      --ink-soft:#4f534c;
      --muted:#7f837a;
      --paper:#f5f3ee;
      --paper-deep:#ebe8e0;
      --card:#fffefa;
      --line:#d9d6ce;
      --accent:#c75a36;
      --accent-dark:#9f3e25;
      --yellow:#e2b94f;
      --green:#73826b;
      --danger:#bd4e45;
      --radius-sm:8px;
      --radius-md:16px;
      --radius-lg:24px;
      --shadow:0 18px 46px rgba(38,35,28,.08);
      --container:1240px;
      --ease:all .28s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(199,90,54,.4);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 64px));margin-inline:auto}
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;
      color:var(--accent-dark);font-size:12px;font-weight:800;
      letter-spacing:.14em;text-transform:uppercase;
    }
    .eyebrow::before{content:"";width:26px;height:2px;background:var(--accent)}
    .section{padding:112px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:46px}
    .section-head h2{font-size:clamp(30px,4vw,53px);line-height:1.14;letter-spacing:-.055em;margin:13px 0 0;max-width:670px}
    .section-head p{max-width:420px;color:var(--ink-soft);margin:0;font-size:15px}
    .topbar{
      position:sticky;top:0;z-index:20;
      background:rgba(245,243,238,.9);
      backdrop-filter:blur(14px);
      border-bottom:1px solid transparent;
      transition:var(--ease);
    }
    .topbar.scrolled{border-color:var(--line);box-shadow:0 5px 20px rgba(30,28,24,.05)}
    .nav-wrap{min-height:80px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:900;line-height:1.2;letter-spacing:-.04em;min-width:275px}
    .brand-mark{
      width:36px;height:36px;border-radius:10px;background:var(--ink);
      color:var(--yellow);display:grid;place-items:center;font-size:18px;
    }
    .nav-scroll{display:flex;align-items:center;gap:6px;flex:1}
    .nav-link{
      padding:8px 16px;border:1px solid transparent;border-radius:999px;
      color:var(--ink-soft);font-size:14px;transition:var(--ease);white-space:nowrap
    }
    .nav-link:hover{color:var(--ink);border-color:var(--line);background:var(--card)}
    .nav-link.active{color:var(--card);background:var(--ink);border-color:var(--ink)}
    .nav-action{white-space:nowrap}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      min-height:46px;padding:0 21px;border-radius:999px;border:1px solid transparent;
      font-size:14px;font-weight:800;transition:var(--ease)
    }
    .btn-primary{background:var(--accent);color:#fff}
    .btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 9px 20px rgba(159,62,37,.2)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#3b3d38;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--accent);color:var(--accent-dark);background:#fffaf5}
    .hero{padding:88px 0 76px;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:76px;align-items:center}
    .hero h1{font-size:clamp(44px,6.2vw,86px);line-height:1.04;letter-spacing:-.075em;margin:20px 0 26px;max-width:700px}
    .hero h1 em{font-style:normal;color:var(--accent)}
    .hero-intro{font-size:17px;color:var(--ink-soft);max-width:600px;margin:0 0 31px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .trust-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:42px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
    .trust-row span{display:flex;align-items:center;gap:8px}
    .trust-row i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block}
    .hero-art{position:relative;min-height:445px}
    .art-frame{position:absolute;inset:25px 0 0 50px;background:#292b27;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
    .art-frame::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(113,130,107,.8),rgba(28,29,26,.2) 45%,rgba(199,90,54,.68));mix-blend-mode:screen}
    .art-lines{position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 35px,rgba(255,255,255,.1) 36px 37px)}
    .art-copy{position:absolute;left:34px;right:30px;bottom:34px;color:#fff}
    .art-copy strong{display:block;font-size:41px;line-height:1.12;letter-spacing:-.08em}
    .art-copy small{display:block;margin-top:13px;color:#f0e4c0;letter-spacing:.12em}
    .sub-card{position:absolute;left:0;top:0;width:190px;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow)}
    .sub-card b{font-size:32px;display:block;line-height:1;color:var(--accent)}
    .sub-card span{display:block;color:var(--muted);font-size:12px;margin-top:8px}
    .caption-bar{position:absolute;right:18px;bottom:18px;background:var(--yellow);padding:8px 14px;font-weight:900;font-size:13px;border-radius:5px}
    .service-section{background:var(--paper-deep)}
    .browse-layout{display:grid;grid-template-columns:250px 1fr;gap:56px}
    .side-nav{border-left:2px solid var(--line)}
    .side-nav a{display:block;padding:18px 20px;border-bottom:1px solid var(--line);font-weight:800;transition:var(--ease)}
    .side-nav a:hover,.side-nav a.active{color:var(--accent-dark);padding-left:27px;border-left:3px solid var(--accent);margin-left:-2px}
    .media-list{border-top:1px solid var(--ink)}
    .media-row{display:grid;grid-template-columns:145px 1fr auto;gap:24px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
    .media-row:hover{padding-left:10px;background:rgba(255,254,250,.5)}
    .thumb{height:88px;border-radius:10px;background:linear-gradient(135deg,#343831,#8c604a);position:relative;overflow:hidden}
    .thumb::after{content:"中文字幕";position:absolute;bottom:8px;left:9px;color:#f9e6a4;font-weight:900;font-size:12px}
    .media-row h3{font-size:18px;margin:0 0 5px;letter-spacing:-.03em}
    .media-row p{margin:0;color:var(--muted);font-size:13px}
    .row-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:9px}
    .badge{display:inline-flex;align-items:center;min-height:24px;padding:2px 9px;border-radius:4px;background:#ede9de;color:var(--ink-soft);font-size:11px;font-weight:800}
    .badge.yellow{background:#f4e4a7;color:#65511b}
    .row-arrow{font-size:24px;color:var(--accent);transition:var(--ease)}
    .media-row:hover .row-arrow{transform:translateX(5px)}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
    .metric{padding:34px 24px;border-right:1px solid var(--line)}
    .metric:last-child{border:0}.metric strong{font-size:46px;line-height:1;letter-spacing:-.07em}.metric span{display:block;color:var(--muted);font-size:13px;margin-top:10px}
    .feature-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .feature-main,.feature-side{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}
    .feature-main{display:grid;grid-template-columns:1fr 1fr}
    .feature-visual{min-height:340px;background:linear-gradient(145deg,#1e2520,#aa6048 62%,#e1b84f);position:relative}
    .feature-visual::before{content:"精选 / 01";position:absolute;top:22px;left:24px;color:#fff;font-size:12px;letter-spacing:.15em}
    .feature-visual::after{content:"▶";position:absolute;right:24px;bottom:22px;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--yellow);color:var(--ink)}
    .feature-text{padding:35px 31px;display:flex;flex-direction:column;justify-content:end}
    .feature-text h3{font-size:28px;line-height:1.2;margin:10px 0}
    .feature-text p{color:var(--ink-soft);font-size:14px;margin:0 0 20px}
    .feature-side{padding:8px 24px}
    .mini-item{display:grid;grid-template-columns:42px 1fr;gap:16px;padding:23px 0;border-bottom:1px solid var(--line)}
    .mini-item:last-child{border:0}.mini-no{font-size:23px;color:var(--accent);font-weight:900}.mini-item h3{font-size:16px;margin:0 0 5px}.mini-item p{font-size:12px;color:var(--muted);margin:0}
    .path-section{background:var(--ink);color:#fff}
    .path-section .eyebrow{color:var(--yellow)}.path-section .section-head p{color:#b9bcb3}
    .path-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #50534c;border-bottom:1px solid #50534c}
    .path-item{padding:30px 25px 31px;border-right:1px solid #50534c}.path-item:last-child{border:0}.path-no{font-size:13px;color:var(--yellow);font-weight:900}.path-item h3{font-size:20px;margin:30px 0 9px}.path-item p{color:#b9bcb3;font-size:13px;margin:0 0 20px}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:80px}.faq-intro h2{font-size:42px;line-height:1.15;letter-spacing:-.06em;margin:17px 0}.faq-intro p{color:var(--ink-soft)}
    .faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:20px 0;border:0;background:none;color:var(--ink);font-weight:800}.faq-question span{font-size:22px;color:var(--accent);transition:var(--ease)}.faq-item.open .faq-question span{transform:rotate(45deg)}.faq-answer{display:none;padding:0 40px 22px 0;color:var(--ink-soft);font-size:14px}.faq-item.open .faq-answer{display:block}
    .contact-section{padding-top:80px}.contact-box{background:#e9dfcf;border:1px solid #d7c9b5;border-radius:var(--radius-lg);padding:55px;display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.contact-box h2{font-size:40px;line-height:1.15;letter-spacing:-.06em;margin:15px 0}.contact-box p{color:var(--ink-soft);font-size:14px}.feedback-form{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:900}.field input,.field textarea{width:100%;border:1px solid #cfc4b1;background:rgba(255,254,250,.7);border-radius:8px;padding:12px 14px;color:var(--ink);transition:var(--ease)}.field textarea{min-height:112px;resize:vertical}.field input::placeholder,.field textarea::placeholder{color:#999487}.field input:focus,.field textarea:focus{border-color:var(--accent);background:#fffefa;outline:none;box-shadow:0 0 0 3px rgba(199,90,54,.12)}.form-note{font-size:12px;color:var(--muted);grid-column:1/-1;margin:0}.form-state{display:none;grid-column:1/-1;padding:10px;background:#e1eddf;color:#496044;border-radius:7px;font-size:13px}
    footer{background:#20221f;color:#d8d8d1;padding:58px 0 24px;margin-top:90px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:50px;padding-bottom:48px;border-bottom:1px solid #484a45}.footer-brand{font-size:20px;font-weight:900;max-width:270px;line-height:1.3}.footer-brand small{display:block;color:#979a91;font-size:12px;font-weight:400;margin-top:15px}.footer-col h3{font-size:13px;color:#fff;margin:0 0 17px}.footer-col a{display:block;color:#aeb1a8;font-size:13px;margin:9px 0;transition:var(--ease)}.footer-col a:hover{color:var(--yellow);padding-left:4px}.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#898d84;font-size:12px}.to-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:var(--card);color:var(--ink);box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:var(--ease)}.to-top.show{opacity:1;pointer-events:auto}.to-top:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
    @media(max-width:1050px){.hero-grid{gap:35px}.browse-layout{gap:30px}.contact-box{gap:35px}}
    @media(max-width:800px){.container{width:min(100% - 38px,var(--container))}.nav-wrap{min-height:72px;gap:14px}.brand{min-width:0;flex:1}.brand span{max-width:180px}.nav-scroll{order:3;flex-basis:100%;overflow:auto;scrollbar-width:none}.nav-wrap{flex-wrap:wrap;padding:12px 0}.nav-action{display:none}.hero{padding:55px 0 62px}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:clamp(42px,11vw,66px)}.hero-art{min-height:340px}.art-frame{inset:15px 0 0 35px}.section{padding:76px 0}.section-head{display:block;margin-bottom:32px}.section-head p{margin-top:16px}.browse-layout,.faq-layout,.contact-box{grid-template-columns:1fr}.side-nav{display:flex;overflow:auto;border-left:0;border-bottom:1px solid var(--line);margin-bottom:25px}.side-nav a{min-width:max-content;border-bottom:0;padding:12px 16px}.side-nav a:hover,.side-nav a.active{padding-left:16px;border-left:0;border-bottom:3px solid var(--accent);margin:0}.metrics{grid-template-columns:1fr 1fr}.metric{border-bottom:1px solid var(--line)}.metric:nth-child(2){border-right:0}.feature-grid{grid-template-columns:1fr}.path-list{grid-template-columns:1fr 1fr}.path-item:nth-child(2){border-right:0}.path-item:nth-child(-n+2){border-bottom:1px solid #50534c}.contact-box{padding:35px 25px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
    @media(max-width:520px){.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}.trust-row{gap:12px 18px}.media-row{grid-template-columns:90px 1fr;gap:14px}.media-row .row-arrow{display:none}.thumb{height:70px}.media-row h3{font-size:15px}.media-row p{font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.feature-main{display:block}.feature-visual{min-height:230px}.feature-text{padding:25px}.metrics .metric{padding:25px 15px}.metric strong{font-size:34px}.path-list{grid-template-columns:1fr}.path-item,.path-item:nth-child(2){border-right:0;border-bottom:1px solid #50534c}.path-item:last-child{border-bottom:0}.feedback-form{grid-template-columns:1fr}.field.full,.form-note,.form-state{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-top:8px}.footer-grid{grid-template-columns:1fr;gap:30px}}
    @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
 --ink:#20221f;--ink-soft:#4f534c;--muted:#7f837a;--paper:#f5f3ee;
 --paper-deep:#ebe8e0;--card:#fffefa;--line:#d9d6ce;--accent:#c75a36;
 --accent-dark:#9f3e25;--yellow:#e2b94f;--green:#73826b;--danger:#bd4e45;
 --radius-sm:8px;--radius-md:16px;--radius-lg:24px;
 --shadow:0 18px 46px rgba(38,35,28,.08);--container:1240px;--ease:all .28s ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 64px));margin-inline:auto}
.topbar{position:sticky;top:0;z-index:20;background:rgba(245,243,238,.92);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:var(--ease)}
.topbar.scrolled{border-color:var(--line);box-shadow:0 5px 20px rgba(30,28,24,.05)}
.nav-wrap{min-height:80px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:900;line-height:1.2;letter-spacing:-.04em;min-width:275px}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--yellow);display:grid;place-items:center;font-size:18px}
.nav-scroll{display:flex;align-items:center;gap:6px;flex:1}
.nav-link{padding:8px 16px;border:1px solid transparent;border-radius:999px;color:var(--ink-soft);font-size:14px;transition:var(--ease);white-space:nowrap}
.nav-link:hover{color:var(--ink);border-color:var(--line);background:var(--card)}
.nav-link.active{color:var(--card);background:var(--ink);border-color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:0 21px;border-radius:999px;border:1px solid transparent;font-size:14px;font-weight:800;transition:var(--ease)}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:#3b3d38;transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 9px 20px rgba(159,62,37,.2)}
.btn-outline{border-color:var(--line);color:var(--ink);background:transparent}.btn-outline:hover{border-color:var(--accent);color:var(--accent-dark);background:#fffaf5}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(199,90,54,.35);outline-offset:3px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--accent-dark);font-size:12px;font-weight:800;letter-spacing:.14em}
.eyebrow:before{content:"";width:26px;height:2px;background:var(--accent)}
.page-hero{padding:70px 0 65px;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:28px}
.breadcrumb a:hover{color:var(--accent-dark)}
.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end}
.page-hero h1{font-size:clamp(40px,6vw,76px);line-height:1.06;letter-spacing:-.075em;margin:16px 0 22px;max-width:760px}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.page-hero p{max-width:650px;color:var(--ink-soft);font-size:17px;margin:0}
.hero-note{border-left:2px solid var(--accent);padding:22px 0 22px 26px;background:rgba(255,254,250,.5)}
.hero-note strong{display:block;font-size:27px;line-height:1.25;margin-bottom:8px}
.hero-note span{color:var(--muted);font-size:13px}
.section{padding:92px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:40px}
.section-head h2{font-size:clamp(30px,4vw,50px);line-height:1.14;letter-spacing:-.055em;margin:13px 0 0;max-width:670px}
.section-head p{max-width:430px;color:var(--ink-soft);margin:0;font-size:15px}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;padding:16px;border:1px solid var(--line);background:var(--card);border-radius:var(--radius-md);margin-bottom:28px}
.filter-chip{border:1px solid var(--line);background:transparent;color:var(--ink-soft);border-radius:999px;padding:8px 15px;font-size:13px;transition:var(--ease)}
.filter-chip:hover,.filter-chip.active{background:var(--ink);border-color:var(--ink);color:#fff}
.content-feature{display:grid;grid-template-columns:1.08fr .92fr;border:1px solid var(--line);background:var(--card);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow)}
.cover-art{min-height:390px;background:linear-gradient(135deg,#222b26 0%,#536052 43%,#c75a36 100%);position:relative;display:flex;align-items:end;padding:25px;color:#fff}
.cover-art:before{content:"剧情内容 / 中文字幕";position:absolute;top:24px;left:25px;font-size:12px;letter-spacing:.12em;color:#f6e6b1}
.cover-art:after{content:"▶";display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:var(--yellow);color:var(--ink);font-size:18px;position:absolute;right:25px;bottom:25px}
.cover-title{font-size:34px;font-weight:900;line-height:1.16;max-width:310px;letter-spacing:-.05em}
.feature-info{padding:42px 42px 35px;display:flex;flex-direction:column;justify-content:space-between}
.feature-info h3{font-size:30px;line-height:1.25;margin:14px 0}
.feature-info p{color:var(--ink-soft);font-size:15px;margin:0 0 22px}
.meta-line{display:flex;gap:9px;flex-wrap:wrap;margin:17px 0 25px}
.badge{display:inline-flex;align-items:center;min-height:24px;padding:2px 9px;border-radius:4px;background:#ede9de;color:var(--ink-soft);font-size:11px;font-weight:800}
.badge.yellow{background:#f4e4a7;color:#65511b}.badge.red{background:#f3d9d0;color:var(--accent-dark)}
.media-list{border-top:1px solid var(--ink)}
.media-row{display:grid;grid-template-columns:150px 1fr auto;gap:24px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.media-row:hover{padding-left:10px;background:rgba(255,254,250,.55)}
.thumb{height:92px;border-radius:var(--radius-sm);background:linear-gradient(140deg,#2b332d,#a85c43);position:relative;overflow:hidden}
.thumb:after{content:"字幕";position:absolute;bottom:8px;left:9px;color:#fff;background:rgba(32,34,31,.75);font-size:11px;padding:1px 6px;border-radius:3px}
.media-row h3{font-size:18px;margin:0 0 5px;letter-spacing:-.03em}.media-row p{margin:0;color:var(--muted);font-size:13px}
.row-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.row-arrow{font-size:24px;color:var(--accent);transition:var(--ease)}.media-row:hover .row-arrow{transform:translateX(5px)}
.path-section{background:var(--ink);color:#fff;padding:90px 0}
.path-section .eyebrow{color:var(--yellow)}.path-section .eyebrow:before{background:var(--yellow)}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.22);margin-top:45px}
.path-item{padding:25px 22px 12px 0;border-right:1px solid rgba(255,255,255,.18);margin-right:22px}
.path-item:last-child{border-right:0}.path-num{color:var(--yellow);font-size:14px;font-weight:900;letter-spacing:.1em}.path-item h3{font-size:20px;margin:22px 0 8px}.path-item p{color:#bfc2b8;font-size:13px;margin:0 0 22px}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.faq-layout h2{font-size:44px;line-height:1.15;letter-spacing:-.06em;margin:14px 0}
.faq-list{border-top:1px solid var(--ink)}
details{border-bottom:1px solid var(--line);padding:20px 0}summary{list-style:none;cursor:pointer;font-weight:800;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:"＋";color:var(--accent);font-size:22px;line-height:1}details[open] summary:after{content:"－"}details p{color:var(--ink-soft);font-size:14px;margin:14px 30px 2px 0}
.cta{background:var(--paper-deep);padding:72px 0}.cta-box{display:flex;justify-content:space-between;gap:30px;align-items:center;border-left:4px solid var(--accent);padding:10px 0 10px 30px}.cta h2{font-size:clamp(28px,4vw,48px);line-height:1.15;letter-spacing:-.06em;margin:0 0 10px}.cta p{margin:0;color:var(--ink-soft)}
footer{padding:58px 0 24px;background:#dedbd2}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:45px}.footer-brand{font-size:20px;font-weight:900}.footer-brand small{display:block;color:var(--muted);font-size:13px;font-weight:400;max-width:280px;margin-top:12px}.footer-col h3{font-size:14px;margin:0 0 14px}.footer-col a{display:block;color:var(--ink-soft);font-size:13px;margin:8px 0}.footer-col a:hover,.copyright a:hover{color:var(--accent-dark)}.copyright{border-top:1px solid #c9c6bd;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}
@media(max-width:992px){.container{width:min(var(--container),calc(100% - 40px))}.nav-wrap{gap:15px}.brand{min-width:230px}.page-hero-grid,.content-feature,.faq-layout{grid-template-columns:1fr;gap:30px}.cover-art{min-height:280px}.path-grid{grid-template-columns:repeat(2,1fr);row-gap:25px}.path-item:nth-child(2){border-right:0}}
@media(max-width:768px){.section{padding:68px 0}.nav-wrap{min-height:70px;flex-wrap:wrap;padding:10px 0}.brand{min-width:auto;flex:1}.nav-action{display:none}.nav-scroll{order:3;overflow-x:auto;flex-basis:100%;padding-bottom:7px}.page-hero{padding:48px 0}.page-hero h1{font-size:47px}.section-head{display:block}.section-head p{margin-top:16px}.feature-info{padding:28px}.media-row{grid-template-columns:92px 1fr;gap:15px}.thumb{height:70px}.row-arrow{grid-column:2;justify-self:end;margin-top:-20px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:6px}}
@media(max-width:520px){.container{width:calc(100% - 32px)}.brand{font-size:14px}.brand-mark{width:32px;height:32px}.page-hero h1{font-size:39px}.hero-note strong{font-size:23px}.filter-bar{padding:12px}.content-feature{border-radius:12px}.cover-art{min-height:220px}.cover-title{font-size:27px}.feature-info h3{font-size:25px}.path-grid{grid-template-columns:1fr}.path-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:22px;margin-right:0}.path-item:last-child{border-bottom:0}.faq-layout h2{font-size:36px}.cta-box{display:block;padding-left:20px}.cta-box .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{
 --ink:#20221f;--ink-soft:#4f534c;--muted:#7f837a;--paper:#f5f3ee;
 --paper-deep:#ebe8e0;--card:#fffefa;--line:#d9d6ce;--accent:#c75a36;
 --accent-dark:#9f3e25;--yellow:#e2b94f;--green:#73826b;--danger:#bd4e45;
 --radius-sm:8px;--radius-md:16px;--radius-lg:24px;--shadow:0 18px 46px rgba(38,35,28,.08);
 --container:1240px;--ease:all .28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 64px));margin-inline:auto}
.topbar{position:sticky;top:0;z-index:20;background:rgba(245,243,238,.92);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:var(--ease)}
.topbar.scrolled{border-color:var(--line);box-shadow:0 5px 20px rgba(30,28,24,.05)}
.nav-wrap{min-height:80px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:900;line-height:1.2;letter-spacing:-.04em;min-width:275px}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--yellow);display:grid;place-items:center;font-size:18px}
.nav-scroll{display:flex;align-items:center;gap:6px;flex:1}
.nav-link{padding:8px 16px;border:1px solid transparent;border-radius:999px;color:var(--ink-soft);font-size:14px;transition:var(--ease);white-space:nowrap}
.nav-link:hover{color:var(--ink);border-color:var(--line);background:var(--card)}
.nav-link.active{color:var(--card);background:var(--ink);border-color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:0 21px;border-radius:999px;border:1px solid transparent;font-size:14px;font-weight:800;transition:var(--ease)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#3b3d38;transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 9px 20px rgba(159,62,37,.2)}
.btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--accent);color:var(--accent-dark);background:#fffaf5}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(199,90,54,.35);outline-offset:3px}
.page-hero{padding:72px 0 74px;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:27px}
.breadcrumb a:hover{color:var(--accent-dark)}
.breadcrumb span:last-child{color:var(--ink-soft)}
.hero-split{display:grid;grid-template-columns:1fr 390px;gap:72px;align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--accent-dark);font-size:12px;font-weight:800;letter-spacing:.14em}
.eyebrow:before{content:"";width:26px;height:2px;background:var(--accent)}
.page-hero h1{font-size:clamp(42px,6vw,76px);line-height:1.05;letter-spacing:-.075em;margin:18px 0 23px;max-width:820px}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.hero-copy{font-size:17px;color:var(--ink-soft);max-width:720px;margin:0}
.hero-note{padding:25px;background:var(--ink);color:#fff;border-radius:var(--radius-md);position:relative;overflow:hidden}
.hero-note:after{content:"字幕 / INDEX";position:absolute;right:20px;top:18px;color:rgba(255,255,255,.35);font-size:11px;letter-spacing:.12em}
.hero-note h2{font-size:19px;margin:0 0 13px;color:var(--yellow)}
.hero-note p{font-size:13px;color:#d7d8d1;margin:0 0 20px}
.hero-note .note-line{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.18);padding-top:12px;font-size:12px;color:#bfc2b8}
.section{padding:96px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:38px}
.section-head h2{font-size:clamp(30px,4vw,50px);line-height:1.14;letter-spacing:-.055em;margin:13px 0 0;max-width:670px}
.section-head p{max-width:420px;color:var(--ink-soft);margin:0;font-size:15px}
.index-layout{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:58px;align-items:start}
.filter-bar{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:14px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--line);margin-bottom:18px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);border-radius:999px;background:var(--card);padding:7px 14px;color:var(--ink-soft);font-size:13px;transition:var(--ease)}
.chip:hover,.chip.active{background:var(--ink);border-color:var(--ink);color:#fff}
.select-box{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:9px 15px;color:var(--ink-soft);font-size:13px}
.index-list{border-top:1px solid var(--ink)}
.index-item{display:grid;grid-template-columns:62px 140px 1fr auto;gap:20px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.index-item:hover{background:rgba(255,254,250,.65);padding-left:10px}
.index-no{font-size:24px;font-weight:900;color:var(--accent);letter-spacing:-.06em}
.thumb{height:86px;border-radius:var(--radius-sm);background:linear-gradient(135deg,#30382e,#8e6047 58%,#dbb449);position:relative;overflow:hidden}
.thumb:before{content:"中文";position:absolute;left:10px;bottom:9px;color:#fff;font-weight:900;font-size:18px;border-bottom:2px solid var(--yellow)}
.thumb:after{content:"▶";position:absolute;right:9px;top:9px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--yellow);font-size:11px}
.index-item h3{font-size:18px;line-height:1.3;margin:0 0 5px;letter-spacing:-.03em}
.index-item p{color:var(--muted);font-size:13px;margin:0;max-width:530px}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px}
.badge{display:inline-flex;align-items:center;min-height:24px;padding:2px 9px;border-radius:4px;background:#ede9de;color:var(--ink-soft);font-size:11px;font-weight:800}
.badge.yellow{background:#f4e4a7;color:#65511b}
.badge.green{background:#dfe7dc;color:#4b6048}
.item-action{color:var(--accent-dark);font-size:13px;font-weight:800;white-space:nowrap}
.item-action:hover{color:var(--ink)}
.side-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:25px;position:sticky;top:108px}
.side-panel h3{font-size:20px;margin:0 0 18px}
.side-group{padding:17px 0;border-top:1px solid var(--line)}
.side-group:first-of-type{border-top:0;padding-top:0}
.side-group h4{margin:0 0 9px;font-size:13px;color:var(--muted);font-weight:800}
.side-links{display:flex;flex-wrap:wrap;gap:7px}
.side-links a{font-size:13px;padding:5px 10px;background:var(--paper);border-radius:4px;color:var(--ink-soft);transition:var(--ease)}
.side-links a:hover{background:var(--accent);color:#fff}
.update-list{list-style:none;padding:0;margin:0}
.update-list li{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:8px 0;border-bottom:1px dashed var(--line)}
.update-list time{color:var(--muted);white-space:nowrap}
.path-section{background:var(--paper-deep)}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.path-step{padding:27px 22px 30px;border-right:1px solid var(--line);min-height:190px}
.path-step:last-child{border-right:0}
.path-step strong{display:block;color:var(--accent);font-size:13px;letter-spacing:.1em}
.path-step h3{font-size:20px;margin:21px 0 8px}
.path-step p{font-size:13px;color:var(--ink-soft);margin:0}
.tips{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.tip{padding:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md)}
.tip h3{font-size:18px;margin:0 0 8px}
.tip p{margin:0;color:var(--muted);font-size:13px}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}
.faq-layout h2{font-size:clamp(30px,4vw,48px);line-height:1.12;letter-spacing:-.06em;margin:15px 0}
.faq-layout>div>p{color:var(--ink-soft);max-width:360px}
.faq-list{border-top:1px solid var(--ink)}
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{cursor:pointer;list-style:none;font-size:16px;font-weight:800;display:flex;justify-content:space-between;gap:18px}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--accent);font-size:22px;font-weight:400;line-height:1}
details[open] summary:after{content:"−"}
details p{color:var(--ink-soft);font-size:14px;margin:13px 36px 0 0}
.cta{padding:68px 0;background:var(--ink);color:#fff}
.cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:35px}
.cta h2{font-size:clamp(30px,4vw,52px);line-height:1.12;letter-spacing:-.06em;margin:0 0 12px}
.cta p{color:#c9ccc3;margin:0;max-width:620px}
.cta .btn-primary{margin-top:22px}
.feedback{padding:82px 0}
.feedback-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
.feedback h2{font-size:42px;line-height:1.15;letter-spacing:-.055em;margin:14px 0}
.feedback p{color:var(--ink-soft)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:800}
.field input,.field textarea{width:100%;border:1px solid var(--line);background:var(--card);border-radius:var(--radius-sm);padding:12px 14px;color:var(--ink);transition:var(--ease)}
.field textarea{min-height:130px;resize:vertical}
.field input:hover,.field textarea:hover{border-color:#aaa79e}
.field input:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(199,90,54,.12);outline:0}
.form-message{display:none;margin-top:12px;color:var(--green);font-size:13px}
footer{padding:51px 0 25px;border-top:1px solid var(--line);background:var(--paper-deep)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:42px}
.footer-brand{font-size:20px;font-weight:900;letter-spacing:-.04em}
.footer-brand small{display:block;max-width:330px;color:var(--muted);font-size:13px;font-weight:400;margin-top:10px}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h3{font-size:13px;margin:0 0 7px}
.footer-col a{color:var(--ink-soft);font-size:13px}
.footer-col a:hover{color:var(--accent-dark)}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:18px;color:var(--muted);font-size:12px}
.copyright a{color:var(--ink-soft)}
.empty-state{display:none;padding:40px;text-align:center;border:1px dashed var(--line);color:var(--muted);background:rgba(255,254,250,.45)}
.back-top{position:fixed;right:24px;bottom:24px;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:var(--card);color:var(--ink);opacity:0;pointer-events:none;transition:var(--ease);z-index:10}
.back-top.show{opacity:1;pointer-events:auto}
@media(max-width:1024px){
 .container{width:min(var(--container),calc(100% - 44px))}
 .nav-wrap{gap:18px}.brand{min-width:230px}
 .hero-split{gap:38px}.index-layout{gap:28px}.path-grid{grid-template-columns:repeat(2,1fr)}
 .path-step:nth-child(2){border-right:0}.path-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .nav-wrap{min-height:72px;flex-wrap:wrap;padding:12px 0}.brand{min-width:auto;flex:1}
 .nav-action{display:none}.nav-scroll{order:3;flex-basis:100%;overflow-x:auto;padding-bottom:3px}
 .page-hero{padding:46px 0 53px}.hero-split,.index-layout,.faq-layout,.feedback-grid{grid-template-columns:1fr;gap:32px}
 .hero-note{max-width:none}.section{padding:70px 0}.section-head{display:block;margin-bottom:27px}
 .section-head p{margin-top:14px}.filter-bar{display:block}.select-box{display:inline-block;margin-top:12px}
 .side-panel{position:static}.index-item{grid-template-columns:43px 105px 1fr;gap:12px}.item-action{grid-column:3}
 .thumb{height:72px}.index-item h3{font-size:16px}.index-item p{font-size:12px}
 .path-grid{grid-template-columns:1fr}.path-step{border-right:0!important;border-bottom:1px solid var(--line)}
 .path-step:last-child{border-bottom:0}.tips{grid-template-columns:1fr}
 .cta-wrap{display:block}.feedback h2{font-size:36px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
 .copyright{display:block}.copyright span{display:block;margin-bottom:7px}
}
@media(max-width:520px){
 .page-hero h1{font-size:42px}.hero-copy{font-size:15px}.breadcrumb{font-size:12px}
 .index-item{grid-template-columns:34px 92px 1fr;gap:9px;padding:17px 0}.index-item p{display:none}
 .thumb{height:64px}.index-no{font-size:20px}.meta{margin-top:6px}.badge{font-size:10px;padding-inline:7px}
 .index-item .item-action{font-size:12px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
 .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
 .cta{padding:52px 0}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}