/* roulang page: index */
:root{
      --ink:#211f25;--ink-soft:#37333d;--paper:#f5f1eb;--paper-deep:#ebe4da;
      --surface:#fffdfa;--surface-dark:#2b2830;--surface-dark-2:#37323d;
      --muted:#756f78;--line:#d9d0c6;--amber:#c78a3b;--amber-light:#f0c783;
      --sage:#6f8b80;--rose:#9e6d67;--focus:#a9c8b9;--radius:18px;
      --shadow:0 18px 50px rgba(38,29,24,.09);--ease:all .24s 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,"Noto Sans SC","Microsoft YaHei",sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{max-width:1180px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,241,235,.94);border-bottom:1px solid transparent;transition:var(--ease)}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 8px 24px rgba(38,29,24,.06)}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;min-width:255px;font-weight:800;letter-spacing:-.04em;font-size:17px}
    .brand-mark{width:30px;height:30px;border:2px solid var(--amber);border-radius:9px 3px 9px 3px;position:relative}
    .brand-mark:after{content:"";width:7px;height:7px;background:var(--amber);border-radius:50%;position:absolute;right:4px;top:4px}
    .main-nav{display:flex;align-items:center;gap:5px;margin-right:auto}
    .main-nav a{padding:8px 13px;border-radius:9px;color:var(--muted);font-size:14px}
    .main-nav a:hover,.main-nav a.active{color:var(--ink);background:var(--paper-deep)}
    .main-nav a.active{font-weight:700;box-shadow:inset 0 -2px var(--amber)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .command-search{width:215px;height:40px;display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--muted)}
    .command-search input{width:100%;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
    .command-search:focus-within{border-color:var(--sage);box-shadow:0 0 0 4px rgba(111,139,128,.14)}
    .shortcut{font-size:11px;border:1px solid var(--line);border-radius:5px;padding:0 4px;line-height:20px}
    .btn-main,.btn-quiet{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:10px 17px;font-size:14px;font-weight:700;transition:var(--ease)}
    .btn-main{background:var(--ink);color:#fff;border:1px solid var(--ink)}
    .btn-main:hover{background:var(--amber);border-color:var(--amber);color:#fff;transform:translateY(-2px)}
    .btn-quiet{background:transparent;border:1px solid var(--line);color:var(--ink)}
    .btn-quiet:hover{border-color:var(--sage);background:#e7eee9}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:8px 11px}
    .hero{padding:72px 0 65px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(111,139,128,.09) 1px,transparent 1px),linear-gradient(rgba(111,139,128,.09) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(to right,black,transparent 78%);pointer-events:none}
    .eyebrow,.section-kicker{color:var(--amber);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
    h1,h2,h3{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.045em;line-height:1.18}
    h1{font-size:clamp(38px,5vw,66px);max-width:730px}
    h2{font-size:clamp(28px,3vw,42px)}
    h3{font-size:20px}
    .hero-copy{position:relative;max-width:780px}
    .hero-copy p{max-width:680px;margin:22px 0 26px;color:var(--muted);font-size:17px}
    .hero-actions{display:flex;gap:11px;flex-wrap:wrap}
    .hero-index{margin-top:52px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative}
    .index-cell{padding:18px 18px 17px 0;border-right:1px solid var(--line)}
    .index-cell:not(:first-child){padding-left:18px}
    .index-cell:last-child{border-right:0}
    .index-number{font-size:24px;font-weight:800;color:var(--ink)}
    .index-label{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .mature-note{margin-top:24px;display:flex;align-items:flex-start;gap:10px;color:var(--muted);font-size:12px;max-width:650px}
    .dot{width:8px;height:8px;background:var(--rose);border-radius:50%;margin-top:8px;flex:none}
    .section{padding:76px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head p{max-width:560px;color:var(--muted);margin:10px 0 0;font-size:15px}
    .series-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:16px}
    .series-card{min-height:210px;padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);position:relative;overflow:hidden}
    .series-card.primary{background:var(--surface-dark);color:#fff}
    .series-card.primary h3{color:#fff}
    .series-card:hover,.film-card:hover,.info-row:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .series-card,.film-card,.info-row{transition:var(--ease)}
    .series-card p{color:var(--muted);font-size:14px;max-width:330px}
    .series-card.primary p{color:#c8c1c8}
    .card-code{position:absolute;right:22px;top:20px;color:var(--amber);font:700 12px monospace}
    .tag{display:inline-flex;align-items:center;padding:4px 9px;border-radius:99px;background:#eee6dc;color:var(--ink-soft);font-size:11px;margin:3px 3px 0 0}
    .tag.dark{background:#4a434e;color:#f0e9df}
    .film-layout{display:grid;grid-template-columns:1.55fr .85fr;gap:18px}
    .film-feature{padding:28px;border-radius:var(--radius);background:var(--surface-dark);color:#fff;min-height:300px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
    .film-feature:before{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(240,199,131,.35);border-radius:50%;right:-45px;top:-70px;box-shadow:0 0 0 25px rgba(240,199,131,.05),0 0 0 50px rgba(240,199,131,.04)}
    .film-feature h3{color:#fff;position:relative}
    .film-feature p{color:#c8c1c8;max-width:470px;font-size:14px;position:relative}
    .film-feature .tag{position:relative}
    .film-list{display:flex;flex-direction:column;gap:10px}
    .film-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:17px 19px;display:flex;justify-content:space-between;gap:12px;align-items:center}
    .film-card p{margin:3px 0 0;color:var(--muted);font-size:12px}
    .film-card h3{font-size:17px}
    .film-meta{text-align:right;white-space:nowrap;color:var(--muted);font-size:12px}
    .film-meta strong{display:block;color:var(--sage);font-size:12px}
    .dark-band{background:var(--surface-dark);color:#fff;padding:68px 0}
    .dark-band h2{color:#fff}.dark-band .section-head p{color:#c8c1c8}
    .metric-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:#514a54;border:1px solid #514a54;border-radius:var(--radius);overflow:hidden}
    .metric{background:var(--surface-dark);padding:26px 25px;min-height:150px}
    .metric strong{font-size:38px;color:var(--amber-light);display:block;line-height:1.1}
    .metric span{display:block;color:#c8c1c8;font-size:13px;margin-top:10px}
    .track{height:5px;background:#4a434e;border-radius:9px;margin-top:18px;overflow:hidden}
    .track i{display:block;height:100%;background:var(--sage);border-radius:9px}
    .info-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .info-list{border-top:1px solid var(--line)}
    .info-row{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid var(--line)}
    .info-row h3{font-size:16px}.info-row p{margin:3px 0 0;color:var(--muted);font-size:13px}
    .info-date{font:12px monospace;color:var(--amber);white-space:nowrap;padding-top:4px}
    .topic-panel{padding:27px;border-radius:var(--radius);background:#e5ede8;border:1px solid #cadbd2}
    .topic-panel p{color:#5f6c66;font-size:14px}
    .topic-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .topic-cloud a{padding:8px 11px;background:rgba(255,255,255,.65);border:1px solid #c8d8cf;border-radius:9px;font-size:13px}
    .topic-cloud a:hover{background:#fff;border-color:var(--sage)}
    .path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .path-card{padding:23px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
    .path-no{color:var(--amber);font:700 13px monospace}.path-card h3{margin-top:14px;font-size:18px}.path-card p{color:var(--muted);font-size:13px;margin:8px 0 19px}
    .faq-wrap{max-width:850px;margin:auto}
    .accordion-item{background:var(--surface);border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden}
    .accordion-button{background:var(--surface);color:var(--ink);font-weight:700;box-shadow:none!important;padding:19px 21px}
    .accordion-button:not(.collapsed){background:#eee7dd;color:var(--ink)}
    .accordion-button:after{filter:sepia(1);}.accordion-body{color:var(--muted);font-size:14px;padding:0 21px 20px}
    .contact-box{background:var(--ink);border-radius:var(--radius);padding:38px;color:#fff;display:grid;grid-template-columns:.85fr 1.15fr;gap:40px}
    .contact-box h2{color:#fff}.contact-box p{color:#c8c1c8;font-size:14px}
    .feedback-form{display:grid;grid-template-columns:1fr 1fr;gap:13px}.feedback-form .full{grid-column:1/-1}
    .field{width:100%;background:#37323d;border:1px solid #524b55;border-radius:9px;color:#fff;padding:11px 13px;outline:0;font-size:13px}
    .field:focus{border-color:var(--focus);box-shadow:0 0 0 4px rgba(169,200,185,.14)}
    textarea.field{min-height:105px;resize:vertical}
    .site-footer{background:#1c1a1f;color:#b8b1b7;padding:44px 0 23px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:30px;padding-bottom:32px;border-bottom:1px solid #3b363e}
    .site-footer .brand{color:#fff;min-width:0}.site-footer h3{font-size:13px;color:#fff;margin-bottom:13px}.site-footer a{display:block;color:#aaa2aa;font-size:13px;margin:7px 0}.site-footer a:hover{color:var(--amber-light)}
    .footer-copy{font-size:12px;padding-top:20px;display:flex;justify-content:space-between;gap:20px}
    @media(max-width:991px){.brand{min-width:auto}.main-nav{gap:0}.main-nav a{padding:8px 8px}.command-search{width:170px}.hero-index{grid-template-columns:repeat(2,1fr)}.index-cell:nth-child(2){border-right:0}.film-layout,.info-layout{grid-template-columns:1fr}.contact-box{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:767px){.nav-wrap{min-height:68px;flex-wrap:wrap;gap:10px}.brand{font-size:15px;flex:1}.main-nav{display:none;order:4;width:100%;padding:8px 0 12px;border-top:1px solid var(--line);flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.main-nav a{padding:10px 12px}.nav-actions{order:3}.command-search{width:calc(100vw - 125px);max-width:240px}.nav-actions .btn-main{display:none}.menu-toggle{display:block}.hero{padding:52px 0 45px}h1{font-size:39px}.hero-copy p{font-size:15px}.section{padding:55px 0}.section-head{display:block;margin-bottom:23px}.section-head .btn-quiet{margin-top:16px}.series-grid,.path-grid{grid-template-columns:1fr}.series-card{min-height:180px}.metric-grid{grid-template-columns:1fr}.metric{min-height:125px}.contact-box{padding:27px 20px}.feedback-form{grid-template-columns:1fr}.feedback-form .full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr}.footer-copy{display:block}.footer-copy span{display:block;margin-top:8px}}
    @media(max-width:520px){.hero-index{grid-template-columns:1fr 1fr}.index-cell{padding:14px 8px 14px 0}.index-cell:not(:first-child){padding-left:8px}.film-card{align-items:flex-start}.film-meta{white-space:normal}.footer-grid{grid-template-columns:1fr}.command-search{width:calc(100vw - 110px)}}

/* roulang page: category2 */
:root{
 --ink:#211f25;--ink-soft:#37333d;--paper:#f5f1eb;--paper-deep:#ebe4da;
 --surface:#fffdfa;--surface-dark:#2b2830;--surface-dark-2:#37323d;
 --muted:#756f78;--line:#d9d0c6;--amber:#c78a3b;--amber-light:#f0c783;
 --sage:#6f8b80;--rose:#9e6d67;--focus:#a9c8b9;--radius:18px;
 --shadow:0 18px 50px rgba(38,29,24,.09);--ease:all .24s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans SC","Microsoft YaHei",sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:inherit}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p{margin-top:0}
h1,h2,h3,h4{line-height:1.25;letter-spacing:-.035em}
.container{max-width:1180px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,241,235,.94);border-bottom:1px solid transparent;transition:var(--ease)}
.site-header.scrolled{border-color:var(--line);box-shadow:0 8px 24px rgba(38,29,24,.06)}
.nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;min-width:255px;font-weight:800;letter-spacing:-.04em;font-size:17px}
.brand-mark{width:30px;height:30px;border:2px solid var(--amber);border-radius:9px 3px 9px 3px;position:relative;flex:0 0 auto}
.brand-mark:after{content:"";width:7px;height:7px;background:var(--amber);border-radius:50%;position:absolute;right:4px;top:4px}
.main-nav{display:flex;align-items:center;gap:5px;margin-right:auto}
.main-nav a{padding:8px 13px;border-radius:9px;color:var(--muted);font-size:14px}
.main-nav a:hover,.main-nav a.active{color:var(--ink);background:var(--paper-deep)}
.main-nav a.active{font-weight:700;box-shadow:inset 0 -2px var(--amber)}
.nav-actions{display:flex;align-items:center;gap:10px}
.command-search{width:215px;height:40px;display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--muted)}
.command-search input{width:100%;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
.command-search input::placeholder{color:#9c9590}
.command-search:focus-within{border-color:var(--sage);box-shadow:0 0 0 4px rgba(111,139,128,.14)}
.search-icon{font-size:17px;line-height:1}
.btn-main,.btn-quiet{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:10px 17px;font-size:14px;font-weight:700;transition:var(--ease)}
.btn-main{background:var(--ink);color:#fff;border:1px solid var(--ink)}
.btn-main:hover{background:var(--amber);border-color:var(--amber);color:#fff;transform:translateY(-2px)}
.btn-quiet{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-quiet:hover{border-color:var(--sage);background:#e7eee9}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:8px 11px}
.page-hero{padding:62px 0 42px;border-bottom:1px solid var(--line)}
.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:27px}
.breadcrumb a:hover{color:var(--amber)}
.eyebrow,.section-kicker{color:var(--amber);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.page-hero h1{font-size:clamp(36px,5vw,66px);max-width:760px;margin:13px 0 18px}
.page-hero .lead{color:var(--muted);font-size:17px;max-width:690px;margin-bottom:26px}
.hero-tags{display:flex;gap:7px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;padding:4px 9px;border-radius:99px;background:#eee6dc;color:var(--ink-soft);font-size:11px;margin:3px 3px 0 0}
.tag.sage{background:#e1ebe5;color:#486559}
.tag.rose{background:#eee0dc;color:#805a55}
.tag.dark{background:#4a434e;color:#f0e9df}
.section{padding:72px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
.section-head h2{font-size:31px;margin:8px 0 0}
.section-head p{max-width:560px;color:var(--muted);margin:10px 0 0;font-size:15px}
.feature-panel{background:var(--surface-dark);color:#fff;border-radius:var(--radius);padding:34px;min-height:340px;position:relative;overflow:hidden}
.feature-panel:before,.feature-panel:after{content:"";position:absolute;border:1px solid rgba(240,199,131,.3);border-radius:50%;pointer-events:none}
.feature-panel:before{width:330px;height:330px;right:-70px;top:-105px;box-shadow:0 0 0 26px rgba(240,199,131,.05),0 0 0 52px rgba(240,199,131,.035)}
.feature-panel:after{width:170px;height:170px;right:110px;bottom:-100px}
.feature-panel h2{color:#fff;font-size:34px;max-width:520px;margin:18px 0 15px;position:relative}
.feature-panel p{color:#c8c1c8;max-width:530px;position:relative}
.feature-panel .btn-main{background:var(--amber);border-color:var(--amber);position:relative}
.feature-panel .btn-main:hover{background:var(--amber-light);border-color:var(--amber-light)}
.index-stamp{position:absolute;right:32px;bottom:30px;color:var(--amber-light);font:700 12px monospace;letter-spacing:.08em}
.filter-bar{margin-top:20px;padding:18px;border:1px solid var(--line);background:rgba(255,253,250,.65);border-radius:14px;display:flex;align-items:end;gap:12px;flex-wrap:wrap}
.filter-field{display:flex;flex-direction:column;gap:5px;flex:1;min-width:145px}
.filter-field label{font-size:11px;color:var(--muted);font-weight:700}
.filter-field select,.filter-field input{height:40px;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:0 11px;color:var(--ink);outline:0;font-size:13px}
.filter-field select:focus,.filter-field input:focus{border-color:var(--sage);box-shadow:0 0 0 4px rgba(111,139,128,.14)}
.film-track{display:flex;gap:15px;overflow-x:auto;padding:3px 3px 18px;scrollbar-color:var(--amber) var(--paper-deep)}
.track-card{flex:0 0 245px;background:var(--surface);border:1px solid var(--line);border-radius:15px;overflow:hidden;transition:var(--ease)}
.track-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#baa98e}
.poster{height:265px;background:linear-gradient(145deg,#45404b,#8a6b58 58%,#c79a63);position:relative;overflow:hidden}
.poster:before{content:"胶片索引";position:absolute;left:19px;bottom:20px;color:rgba(255,255,255,.72);font-size:12px;letter-spacing:.16em;writing-mode:vertical-rl}
.poster:after{content:"";position:absolute;width:130px;height:130px;border:1px solid rgba(255,255,255,.36);border-radius:50%;right:-25px;top:32px;box-shadow:0 0 0 18px rgba(255,255,255,.06),0 0 0 36px rgba(255,255,255,.05)}
.poster.two{background:linear-gradient(145deg,#303b3b,#637d73 56%,#b49a73)}
.poster.three{background:linear-gradient(145deg,#3e3038,#765660 53%,#d1a274)}
.poster.four{background:linear-gradient(145deg,#34333c,#70677b 52%,#b78b6d)}
.poster-label{position:absolute;top:14px;left:14px;background:rgba(33,31,37,.76);color:#fff;padding:4px 8px;border-radius:6px;font-size:11px}
.track-body{padding:17px}
.track-body h3{font-size:17px;margin:0 0 7px}
.track-body p{font-size:12px;color:var(--muted);margin:0 0 13px}
.track-footer{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}
.track-footer a{color:var(--sage);font-weight:700}
.collection-layout{display:grid;grid-template-columns:1fr 340px;gap:27px;align-items:start}
.collection-list{display:flex;flex-direction:column;gap:11px}
.collection-item{display:grid;grid-template-columns:78px 1fr auto;gap:17px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:13px;transition:var(--ease)}
.collection-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#baa98e}
.mini-poster{height:104px;border-radius:9px;background:linear-gradient(145deg,#564957,#ad836a);position:relative}
.mini-poster.green{background:linear-gradient(145deg,#3d504b,#9aaf92)}
.mini-poster.gold{background:linear-gradient(145deg,#5e4c3e,#c79b59)}
.mini-poster span{position:absolute;left:7px;bottom:8px;color:#fff;font-size:10px;writing-mode:vertical-rl}
.collection-item h3{font-size:17px;margin-bottom:4px}
.collection-item p{font-size:12px;color:var(--muted);margin:0 0 7px}
.item-meta{text-align:right;white-space:nowrap;font-size:11px;color:var(--muted)}
.item-meta strong{display:block;color:var(--sage);margin-bottom:9px}
.side-panel{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:22px}
.side-panel h3{font-size:18px;margin-bottom:17px}
.side-links{display:flex;flex-direction:column}
.side-links a{padding:12px 0;border-bottom:1px solid var(--line);font-size:13px;display:flex;justify-content:space-between;color:var(--ink-soft)}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:var(--amber);padding-left:5px}
.side-links span{color:var(--muted);font-size:11px}
.note-band{background:#e7eee9;border:1px solid #c8d8cf;border-radius:var(--radius);padding:25px 29px;display:flex;justify-content:space-between;align-items:center;gap:22px}
.note-band h3{font-size:20px;margin:0 0 6px}
.note-band p{margin:0;color:#5d7169;font-size:13px}
.faq-list{max-width:850px;margin:auto}
.accordion-item{background:var(--surface);border:1px solid var(--line)!important;margin-bottom:9px;border-radius:12px!important;overflow:hidden}
.accordion-button{background:var(--surface);color:var(--ink);font-weight:700;padding:18px 20px;box-shadow:none!important}
.accordion-button:not(.collapsed){background:#eee8df;color:var(--ink)}
.accordion-button:after{filter:grayscale(1);transition:var(--ease)}
.accordion-button:not(.collapsed):after{transform:rotate(180deg)}
.accordion-body{color:var(--muted);font-size:14px;padding:0 20px 19px}
.cta{padding:62px 0;background:var(--surface-dark);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta h2{color:#fff;font-size:32px;margin:8px 0}
.cta p{color:#c8c1c8;margin:0;max-width:630px;font-size:14px}
.site-footer{background:#211f25;color:#fff;padding:55px 0 23px}
.site-footer .brand{min-width:0;color:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:42px}
.site-footer h3{font-size:13px;color:var(--amber-light);margin:3px 0 15px}
.site-footer p{color:#aaa2aa}
.site-footer a:not(.brand){display:block;color:#bdb6bd;font-size:13px;margin:8px 0}
.site-footer a:not(.brand):hover{color:var(--amber-light);padding-left:4px}
.footer-copy{border-top:1px solid #403a44;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#948d95;font-size:12px}
@media(max-width:1100px){
 .nav-wrap{gap:15px}.brand{min-width:225px;font-size:15px}.command-search{width:180px}
}
@media(max-width:991px){
 .main-nav{gap:0}.main-nav a{padding:8px 9px}.collection-layout{grid-template-columns:1fr 280px}
}
@media(max-width:767px){
 .nav-wrap{min-height:68px;position:relative}.brand{font-size:15px;min-width:0;margin-right:auto}
 .menu-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .main-nav.show{display:flex}.main-nav a{padding:12px 14px}.nav-actions{display:none}
 .page-hero{padding:43px 0 32px}.page-hero h1{font-size:40px}.page-hero .lead{font-size:15px}
 .section{padding:52px 0}.section-head{display:block}.section-head h2{font-size:27px}
 .collection-layout{display:block}.side-panel{margin-top:22px}.item-meta{font-size:10px}
 .cta-inner,.note-band{display:block}.cta .btn-main,.note-band .btn-quiet{margin-top:18px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-copy{display:block}.footer-copy span{display:block;margin-top:7px}
}
@media(max-width:520px){
 .container{padding-left:18px;padding-right:18px}.page-hero h1{font-size:34px}
 .filter-bar{display:block}.filter-field{margin-bottom:10px}.filter-field:last-of-type{margin-bottom:0}.filter-bar .btn-quiet{width:100%;margin-top:5px}
 .track-card{flex-basis:220px}.poster{height:240px}
 .collection-item{grid-template-columns:58px 1fr}.mini-poster{height:86px}.item-meta{grid-column:2;text-align:left;margin-top:-7px}
 .footer-grid{grid-template-columns:1fr}.site-footer{padding-top:42px}
}

/* roulang page: category1 */
:root{
            --ink:#211f25;
            --ink-soft:#37333d;
            --paper:#f5f1eb;
            --paper-deep:#ebe4da;
            --surface:#fffdfa;
            --surface-dark:#2b2830;
            --surface-dark-2:#37323d;
            --muted:#756f78;
            --line:#d9d0c6;
            --amber:#c78a3b;
            --amber-light:#f0c783;
            --sage:#6f8b80;
            --rose:#9e6d67;
            --focus:#a9c8b9;
            --success:#668b70;
            --warning:#a8793f;
            --radius:18px;
            --shadow:0 18px 50px rgba(38,29,24,.09);
            --ease:all .24s 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,"Noto Sans SC","Microsoft YaHei",sans-serif;line-height:1.75}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{max-width:100%;display:block}
        button,input,select,textarea{font:inherit}
        button{cursor:pointer}
        h1,h2,h3,h4,p{margin-top:0}
        h1,h2,h3,h4{line-height:1.25;letter-spacing:-.035em}
        .container{max-width:1180px}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(245,241,235,.95);border-bottom:1px solid transparent;transition:var(--ease)}
        .site-header.scrolled{border-color:var(--line);box-shadow:0 8px 24px rgba(38,29,24,.06)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:10px;min-width:255px;font-weight:800;letter-spacing:-.04em;font-size:17px}
        .brand-mark{width:30px;height:30px;border:2px solid var(--amber);border-radius:9px 3px 9px 3px;position:relative;flex:0 0 auto}
        .brand-mark:after{content:"";width:7px;height:7px;background:var(--amber);border-radius:50%;position:absolute;right:4px;top:4px}
        .main-nav{display:flex;align-items:center;gap:5px;margin-right:auto}
        .main-nav a{padding:8px 13px;border-radius:9px;color:var(--muted);font-size:14px}
        .main-nav a:hover,.main-nav a.active{color:var(--ink);background:var(--paper-deep)}
        .main-nav a.active{font-weight:700;box-shadow:inset 0 -2px var(--amber)}
        .nav-actions{display:flex;align-items:center;gap:10px}
        .command-search{width:215px;height:40px;display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--muted)}
        .command-search input{width:100%;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
        .command-search:focus-within{border-color:var(--sage);box-shadow:0 0 0 4px rgba(111,139,128,.14)}
        .command-search kbd{font-size:10px;color:var(--muted);background:var(--paper-deep);padding:2px 5px;border-radius:4px}
        .btn-main,.btn-quiet{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:10px 17px;font-size:14px;font-weight:700;transition:var(--ease)}
        .btn-main{background:var(--ink);color:#fff;border:1px solid var(--ink)}
        .btn-main:hover{background:var(--amber);border-color:var(--amber);color:#fff;transform:translateY(-2px)}
        .btn-quiet{background:transparent;border:1px solid var(--line);color:var(--ink)}
        .btn-quiet:hover{border-color:var(--sage);background:#e7eee9}
        .menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:8px 11px;color:var(--ink)}
        .section{padding:78px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-head p{max-width:570px;color:var(--muted);margin:10px 0 0;font-size:15px}
        .eyebrow,.section-kicker{color:var(--amber);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
        .hero{padding:52px 0 65px;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(111,139,128,.09) 1px,transparent 1px),linear-gradient(rgba(111,139,128,.09) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(to right,black,transparent 80%);pointer-events:none}
        .breadcrumb-line{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:38px;position:relative}
        .breadcrumb-line span{color:var(--amber)}
        .hero-copy{position:relative}
        .hero-copy h1{font-size:clamp(38px,5vw,66px);max-width:720px;margin:14px 0 20px}
        .hero-copy p{max-width:650px;margin:0 0 27px;color:var(--muted);font-size:17px}
        .hero-actions{display:flex;gap:11px;flex-wrap:wrap}
        .hero-panel{position:relative;background:var(--surface-dark);border-radius:var(--radius);padding:25px;color:#fff;min-height:315px;overflow:hidden;box-shadow:var(--shadow)}
        .hero-panel:before,.hero-panel:after{content:"";position:absolute;border:1px solid rgba(240,199,131,.3);border-radius:50%;pointer-events:none}
        .hero-panel:before{width:330px;height:330px;right:-130px;top:-105px}
        .hero-panel:after{width:245px;height:245px;right:-85px;top:-62px}
        .panel-top{display:flex;justify-content:space-between;position:relative;border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:15px}
        .panel-label{font-size:12px;color:var(--amber-light);letter-spacing:.08em}
        .panel-code{font-family:monospace;color:#b8cabe;font-size:12px}
        .region-map{position:relative;height:175px;margin:15px 0 0}
        .route{position:absolute;height:1px;background:rgba(240,199,131,.55);transform-origin:left center}
        .route.one{width:195px;left:16%;top:48%;transform:rotate(-22deg)}
        .route.two{width:150px;left:47%;top:31%;transform:rotate(39deg)}
        .route.three{width:145px;left:49%;top:65%;transform:rotate(-12deg)}
        .node{position:absolute;width:13px;height:13px;border-radius:50%;background:var(--amber-light);border:3px solid var(--surface-dark);box-shadow:0 0 0 1px var(--amber-light)}
        .node:after{content:attr(data-name);position:absolute;left:17px;top:-9px;white-space:nowrap;color:#ddd2c4;font-size:11px}
        .node.a{left:14%;top:45%}.node.b{left:45%;top:27%}.node.c{left:74%;top:58%}.node.d{left:46%;top:62%}
        .panel-bottom{position:relative;display:flex;gap:8px;flex-wrap:wrap}
        .tag{display:inline-flex;align-items:center;padding:4px 9px;border-radius:99px;background:#eee6dc;color:var(--ink-soft);font-size:11px;margin:3px 3px 0 0}
        .tag.dark{background:#4a434e;color:#f0e9df}
        .tag.sage{background:#e3ece7;color:#456457}
        .index-strip{margin-top:48px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);position:relative}
        .index-cell{padding:17px 15px;border-right:1px solid var(--line)}
        .index-cell:last-child{border-right:0}
        .index-cell strong{display:block;font-size:20px;color:var(--ink)}
        .index-cell small{color:var(--muted);font-size:12px}
        .filter-shell{background:var(--surface-dark);border-radius:var(--radius);padding:24px;color:#fff;box-shadow:var(--shadow)}
        .filter-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
        .filter-title h2{font-size:20px;margin:0;color:#fff}
        .filter-title span{font:12px monospace;color:var(--amber-light)}
        .filter-label{display:block;color:#c8c1c8;font-size:12px;margin-bottom:7px}
        .filter-control{width:100%;height:43px;border:1px solid #5a525c;border-radius:9px;background:#37323d;color:#fff;padding:0 12px;outline:none}
        .filter-control:focus{border-color:var(--amber-light);box-shadow:0 0 0 4px rgba(240,199,131,.12)}
        .filter-submit{width:100%;height:43px;margin-top:25px;border:1px solid var(--amber);border-radius:9px;background:var(--amber);color:#fff;font-weight:700}
        .filter-submit:hover{background:#d49a4c}
        .result-head{display:flex;justify-content:space-between;align-items:center;margin:32px 0 18px}
        .result-head h2{font-size:25px;margin:0}
        .result-count{color:var(--muted);font-size:13px}
        .film-list{display:flex;flex-direction:column;gap:11px}
        .film-row{display:grid;grid-template-columns:76px 1fr auto;gap:18px;align-items:center;padding:17px;border:1px solid var(--line);border-radius:14px;background:var(--surface);transition:var(--ease)}
        .film-row:hover{transform:translateX(4px);border-color:#b9aa98;box-shadow:var(--shadow)}
        .film-thumb{height:92px;border-radius:10px;background:linear-gradient(145deg,#665861,#302c35 65%,#b3834e);position:relative;overflow:hidden}
        .film-thumb:after{content:"胶片索引";position:absolute;left:9px;bottom:8px;color:#fff;font-size:10px;opacity:.8}
        .film-row h3{font-size:18px;margin:4px 0 3px}
        .film-row p{margin:0;color:var(--muted);font-size:13px}
        .film-meta{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:7px}
        .film-meta span{font-size:11px;color:var(--muted);padding-right:8px;border-right:1px solid var(--line)}
        .film-meta span:last-child{border-right:0}
        .row-action{white-space:nowrap}
        .row-action a{font-size:13px;color:var(--sage);font-weight:700}
        .row-action a:hover{color:var(--amber)}
        .side-card{padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px}
        .side-card h3{font-size:17px;margin-bottom:16px}
        .side-links{display:flex;flex-direction:column;gap:4px}
        .side-links a{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
        .side-links a:hover{color:var(--ink);padding-left:4px}
        .side-links b{font-weight:500;color:var(--amber)}
        .notice{padding:17px 19px;border-left:3px solid var(--amber);background:#f0e8de;color:var(--muted);font-size:13px;border-radius:0 10px 10px 0}
        .path-line{display:flex;align-items:center;gap:0;margin:28px 0 0}
        .path-step{flex:1;position:relative;padding:16px 14px 16px 0;border-top:1px solid var(--line)}
        .path-step:not(:last-child):after{content:"→";position:absolute;right:15px;top:11px;color:var(--amber);font-size:20px}
        .path-step strong{display:block;font-size:14px}
        .path-step small{color:var(--muted);font-size:12px}
        .faq-wrap{max-width:850px}
        .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
        .accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;padding:20px 5px;font-weight:700}
        .accordion-button:after{background-image:none;content:"+";font-size:22px;font-weight:400;color:var(--amber);transform:none}
        .accordion-button:not(.collapsed):after{content:"−"}
        .accordion-body{padding:0 35px 20px 5px;color:var(--muted);font-size:14px}
        .cta-band{padding:35px 40px;background:var(--surface-dark);color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}
        .cta-band:after{content:"INDEX / 01";position:absolute;right:35px;top:31px;color:rgba(240,199,131,.4);font:12px monospace}
        .cta-band h2{color:#fff;margin-bottom:10px}
        .cta-band p{color:#c8c1c8;max-width:670px;margin-bottom:0}
        .contact-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:27px}
        .form-label{font-size:13px;font-weight:700;color:var(--ink-soft)}
        .form-control,.form-select{border:1px solid var(--line);border-radius:9px;background:#fffdfa;padding:11px 13px;color:var(--ink)}
        .form-control:focus,.form-select:focus{border-color:var(--sage);box-shadow:0 0 0 4px rgba(111,139,128,.13)}
        .site-footer{background:var(--surface-dark);color:#fff;padding:55px 0 23px}
        .site-footer .brand{color:#fff}
        .site-footer p{color:#c8c1c8}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px}
        .footer-grid h3{font-size:14px;color:var(--amber-light);margin-bottom:14px}
        .footer-grid>div>a:not(.brand){display:block;color:#c8c1c8;font-size:13px;margin:7px 0}
        .footer-grid>div>a:not(.brand):hover{color:#fff;padding-left:3px}
        .footer-copy{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#aaa1a9;font-size:12px}
        .empty-state{display:none;padding:35px;text-align:center;border:1px dashed var(--line);border-radius:14px;color:var(--muted)}
        @media(max-width:1100px){
            .brand{min-width:220px}.nav-wrap{gap:16px}.command-search{width:175px}
        }
        @media(max-width:991px){
            .main-nav{display:none}.menu-toggle{display:block}.nav-actions{margin-left:auto}
            .hero{padding-top:38px}.hero-panel{margin-top:28px}.filter-shell{margin-bottom:28px}
            .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
        }
        @media(max-width:767px){
            .container{padding-left:20px;padding-right:20px}
            .brand{min-width:0;font-size:15px}.brand-mark{width:27px;height:27px}
            .nav-wrap{min-height:68px}.command-search{display:none}.nav-actions .btn-main{padding:9px 12px;font-size:12px}
            .hero-copy h1{font-size:40px}.hero-copy p{font-size:15px}
            .index-strip{grid-template-columns:repeat(2,1fr);margin-top:35px}
            .index-cell:nth-child(2){border-right:0}.index-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
            .section{padding:56px 0}.section-head{display:block;margin-bottom:22px}
            .film-row{grid-template-columns:62px 1fr}.film-thumb{height:78px}.row-action{grid-column:2}
            .row-action a{display:inline-block;padding:7px 12px;border:1px solid var(--line);border-radius:8px}
            .path-line{display:block}.path-step{padding:14px 0}.path-step:not(:last-child):after{content:"↓";right:10px;top:8px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:27px}.footer-grid>div:first-child{grid-column:1/-1}
            .footer-copy{display:block}.footer-copy span{display:block;margin-top:5px}
            .cta-band{padding:28px 23px}.cta-band:after{display:none}
        }
        @media(max-width:520px){
            .hero-copy h1{font-size:34px}.hero-actions a{width:100%}
            .filter-shell{padding:19px}.film-row{gap:11px;padding:12px}.film-row h3{font-size:16px}
            .film-meta span{font-size:10px}.side-card{padding:18px}
            .footer-grid{grid-template-columns:1fr}
            .footer-grid>div:first-child{grid-column:auto}
        }