/* roulang page: index */
:root{
            --bg:#17121a;
            --bg-deep:#100d13;
            --surface:#241b29;
            --surface-2:#2d2130;
            --surface-light:#f4e9e1;
            --ink:#f8eee9;
            --muted:#b9a8b4;
            --dark-ink:#30232d;
            --accent:#ef8068;
            --accent-2:#e8b36f;
            --wine:#8f3f5f;
            --success:#92c69b;
            --warning:#e8b36f;
            --danger:#e88080;
            --line:rgba(244,220,214,.16);
            --line-dark:rgba(48,35,45,.15);
            --radius:20px;
            --radius-sm:12px;
            --shadow:0 18px 55px rgba(5,3,8,.28);
            --container:1220px;
            --ease:all .28s ease;
            --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.75;overflow-x:hidden}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;max-width:100%;height:auto}
        button,input,select,textarea{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(232,179,111,.75);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .site-header{position:absolute;z-index:20;top:22px;left:0;right:0}
        .nav-shell{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 12px 10px 20px;border:1px solid var(--line);border-radius:60px;background:rgba(20,14,23,.78);box-shadow:0 12px 40px rgba(0,0,0,.2);backdrop-filter:blur(16px)}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
        .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--accent);color:#24151e;display:grid;place-items:center;font-size:14px;font-weight:900}
        .brand-text{font-size:15px}
        .nav-links{display:flex;align-items:center;gap:5px;margin:0}
        .nav-links a{padding:9px 15px;border-radius:30px;color:var(--muted);font-size:14px}
        .nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(239,128,104,.14)}
        .nav-action{padding:10px 18px;border-radius:30px;background:var(--accent);color:#29141c;font-weight:800;font-size:14px}
        .nav-action:hover{background:#ff987e;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:12px;padding:8px 12px}
        .hero{position:relative;min-height:680px;padding:168px 0 90px;overflow:hidden;background:
            radial-gradient(circle at 80% 24%,rgba(143,63,95,.33),transparent 33%),
            radial-gradient(circle at 14% 75%,rgba(239,128,104,.12),transparent 28%),var(--bg-deep)}
        .hero:before{content:"";position:absolute;right:-8%;top:0;width:54%;height:100%;background:linear-gradient(118deg,transparent 22%,rgba(239,128,104,.08) 22.2%,rgba(239,128,104,.08) 22.6%,transparent 23%);opacity:.7}
        .hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--accent-2);font-size:13px;font-weight:800;letter-spacing:.12em}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--accent)}
        h1,h2,h3,p{margin-top:0}
        h1{margin:20px 0 22px;max-width:720px;font-size:clamp(40px,5.6vw,72px);line-height:1.12;letter-spacing:-.07em;font-weight:900}
        .hero-copy{max-width:650px;color:var(--muted);font-size:18px;line-height:1.85}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
        .button-primary,.button-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:14px;font-weight:800;transition:var(--ease)}
        .button-primary{background:var(--accent);color:#28151d;border:1px solid var(--accent)}
        .button-primary:hover{background:#ff9a80;box-shadow:0 10px 28px rgba(239,128,104,.22);transform:translateY(-2px)}
        .button-secondary{border:1px solid var(--line);color:var(--ink);background:rgba(255,255,255,.03)}
        .button-secondary:hover{border-color:var(--accent-2);color:var(--accent-2);transform:translateY(-2px)}
        .hero-note{display:flex;gap:24px;flex-wrap:wrap;margin-top:36px;color:var(--muted);font-size:13px}
        .hero-note strong{display:block;color:var(--ink);font-size:20px;line-height:1.2}
        .hero-panel{position:relative;padding:24px;border:1px solid var(--line);border-radius:24px;background:rgba(42,29,45,.75);box-shadow:var(--shadow)}
        .panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
        .live-dot{display:inline-flex;align-items:center;gap:7px;color:var(--success)}
        .live-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px rgba(146,198,155,.1)}
        .panel-title{margin:25px 0 22px;font-size:25px;line-height:1.3}
        .route-list{display:grid;gap:12px}
        .route-item{display:flex;align-items:center;gap:14px;padding:15px;border-radius:14px;background:rgba(255,255,255,.045);border:1px solid transparent}
        .route-item:hover{border-color:var(--accent);background:rgba(239,128,104,.08)}
        .route-number{color:var(--accent-2);font-weight:900;font-size:13px}
        .route-item span:last-child{margin-left:auto;color:var(--muted);font-size:13px}
        .hero-ribbon{position:absolute;bottom:0;left:0;right:0;padding:13px 0;background:var(--accent);color:#2b151d;font-weight:800;font-size:14px}
        .ribbon-inner{display:flex;justify-content:space-between;gap:20px}
        .section{padding:104px 0}
        .section-light{background:var(--surface-light);color:var(--dark-ink)}
        .section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
        .section-heading h2{margin:12px 0 0;font-size:clamp(30px,4vw,48px);line-height:1.18;letter-spacing:-.055em}
        .section-heading p{max-width:500px;margin:0;color:var(--muted)}
        .section-light .section-heading p{color:#766773}
        .metrics{display:grid;grid-template-columns:1.35fr .85fr .85fr .95fr;gap:14px}
        .metric{min-height:170px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);position:relative;overflow:hidden}
        .metric:first-child{background:linear-gradient(145deg,#382533,#241b29)}
        .metric:after{content:"";position:absolute;right:-24px;bottom:-34px;width:110px;height:110px;border:1px solid rgba(239,128,104,.22);border-radius:50%}
        .metric-label{color:var(--muted);font-size:13px}
        .metric-value{display:block;margin:18px 0 8px;color:var(--accent-2);font-size:42px;line-height:1;font-weight:900;letter-spacing:-.06em}
        .metric small{color:var(--muted);font-size:13px}
        .status-line{display:flex;align-items:center;gap:8px;margin-top:18px;color:var(--success);font-size:13px}
        .status-line i{width:7px;height:7px;background:var(--success);border-radius:50%}
        .matrix{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
        .matrix-main,.matrix-side{display:grid;gap:18px}
        .entry-card{padding:28px;border:1px solid var(--line-dark);border-radius:var(--radius);background:#fff8f3;color:var(--dark-ink);transition:var(--ease)}
        .entry-card:hover{transform:translateY(-5px);box-shadow:0 16px 35px rgba(80,44,55,.12);border-color:var(--accent)}
        .entry-card.large{min-height:280px;background:#ead7d4}
        .entry-card.dark{background:#382533;color:var(--ink);border-color:rgba(255,255,255,.12)}
        .entry-meta{display:flex;justify-content:space-between;gap:15px;margin-bottom:30px;font-size:13px;color:#806d78}
        .dark .entry-meta{color:var(--muted)}
        .badge{display:inline-flex;padding:4px 10px;border-radius:30px;background:rgba(239,128,104,.14);color:var(--accent);font-size:12px;font-weight:800}
        .entry-card h3{margin:0 0 10px;font-size:26px;letter-spacing:-.04em}
        .entry-card p{margin-bottom:20px;color:#806d78;font-size:14px}
        .dark p{color:var(--muted)}
        .entry-link{color:var(--wine);font-weight:800;font-size:14px}
        .dark .entry-link{color:var(--accent-2)}
        .index-row{display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px solid var(--line-dark);font-size:14px}
        .index-row:last-child{border-bottom:0}.index-row span{color:#897581}
        .compare-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}
        .compare-tabs{display:flex;gap:8px;margin:25px 0}
        .compare-tab{border:1px solid var(--line);border-radius:30px;padding:9px 16px;background:transparent;color:var(--muted);cursor:pointer}
        .compare-tab:hover,.compare-tab.active{background:var(--accent);border-color:var(--accent);color:#29151c}
        .compare-box{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
        .compare-line{display:grid;grid-template-columns:120px 1fr 90px;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}
        .compare-line:last-child{border-bottom:0}.compare-line label{color:var(--muted);font-size:14px}
        .bar{height:8px;border-radius:8px;background:#443342;overflow:hidden}.bar i{display:block;height:100%;border-radius:8px;background:var(--accent)}
        .compare-line strong{text-align:right;color:var(--accent-2)}
        .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
        .faq-list{margin:0}.accordion-item{margin-bottom:10px;border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden}
        .accordion-title{display:block;padding:19px 22px;color:var(--ink);font-weight:800;border:0!important;background:transparent!important}
        .accordion-title:hover{color:var(--accent-2)}
        .accordion-content{padding:0 22px 20px;color:var(--muted);background:transparent;border:0}
        .cta-panel{padding:52px;border:1px solid rgba(239,128,104,.35);border-radius:26px;background:linear-gradient(110deg,#3a2533,#241b29);box-shadow:var(--shadow)}
        .cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
        .cta-panel h2{margin:12px 0 15px;font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-.05em}
        .cta-panel p{color:var(--muted)}
        .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        .field{display:grid;gap:7px}.field.full{grid-column:1/-1}
        .field label{font-size:13px;color:var(--muted)}
        .field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:#1b141e;color:var(--ink);transition:var(--ease)}
        .field textarea{min-height:90px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(239,128,104,.12);outline:0}
        .form-foot{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:15px}.privacy-note,.form-message{color:var(--muted);font-size:12px}.form-message{display:none;color:var(--success)}
        .site-footer{padding:42px 0 25px;background:var(--bg-deep);color:var(--muted)}
        .footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px;border-bottom:1px solid var(--line)}
        .footer-brand{color:var(--ink);font-weight:800}.footer-desc{max-width:360px;margin:10px 0 0;font-size:13px}
        .footer-nav{display:flex;gap:22px;align-items:flex-start}.footer-nav a{font-size:13px}.footer-nav a:hover{color:var(--accent-2)}
        .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;font-size:12px}
        @media(max-width:900px){
            .nav-links{display:none;position:absolute;top:65px;left:0;right:0;padding:12px;border:1px solid var(--line);border-radius:18px;background:#201721;flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}.nav-links a{padding:13px 16px}.menu-toggle{display:block}.nav-action{display:none}
            .hero-grid,.compare-wrap,.faq-layout,.cta-grid{grid-template-columns:1fr;gap:35px}.hero{min-height:auto;padding-bottom:120px}
            .metrics{grid-template-columns:1fr 1fr}.metric:first-child{grid-column:span 2}.matrix{grid-template-columns:1fr}
            .section{padding:78px 0}.section-heading{display:block}.section-heading p{margin-top:15px}
        }
        @media(max-width:560px){
            .container{width:min(100% - 28px,var(--container))}.site-header{top:12px}.nav-shell{padding-left:14px}.brand-text{font-size:13px}
            h1{font-size:42px}.hero-copy{font-size:16px}.hero-actions{display:grid}.button-primary,.button-secondary{width:100%}
            .hero-note{gap:15px}.metrics{grid-template-columns:1fr;gap:10px}.metric:first-child{grid-column:auto}.metric{min-height:140px}
            .entry-card.large{min-height:235px}.compare-line{grid-template-columns:92px 1fr 55px;gap:9px}.cta-panel{padding:28px 20px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
            .form-foot,.footer-top,.copyright{display:block}.form-foot .button-primary{margin-bottom:12px}.footer-nav{margin-top:22px;flex-wrap:wrap}.copyright span{display:block;margin-top:8px}
        }

/* roulang page: category1 */
:root{
 --bg:#17121a;--bg-deep:#100d13;--surface:#241b29;--surface-2:#2d2130;
 --surface-light:#f4e9e1;--ink:#f8eee9;--muted:#b9a8b4;--dark-ink:#30232d;
 --accent:#ef8068;--accent-2:#e8b36f;--wine:#8f3f5f;--success:#92c69b;
 --warning:#e8b36f;--danger:#e88080;--line:rgba(244,220,214,.16);
 --line-dark:rgba(48,35,45,.15);--radius:20px;--radius-sm:12px;
 --shadow:0 18px 55px rgba(5,3,8,.28);--container:1220px;
 --ease:all .28s ease;--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input,select{font:inherit}
button{cursor:pointer}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{letter-spacing:-.05em}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.site-header{position:absolute;z-index:20;top:22px;left:0;right:0}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 12px 10px 20px;border:1px solid var(--line);border-radius:60px;background:rgba(20,14,23,.82);box-shadow:0 12px 40px rgba(0,0,0,.2);backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--accent);color:#24151e;display:grid;place-items:center;font-size:14px;font-weight:900}
.brand-text{font-size:15px}
.nav-links{display:flex;align-items:center;gap:5px;margin:0}
.nav-links a{padding:9px 15px;border-radius:30px;color:var(--muted);font-size:14px}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(239,128,104,.14)}
.nav-action,.button-primary{background:var(--accent);color:#29141c;border:1px solid var(--accent);font-weight:800}
.nav-action{padding:10px 18px;border-radius:30px;font-size:14px}
.nav-action:hover,.button-primary:hover{background:#ff987e;transform:translateY(-2px);box-shadow:0 10px 28px rgba(239,128,104,.22)}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:12px;padding:8px 12px}
.page-hero{position:relative;padding:166px 0 78px;overflow:hidden;background:radial-gradient(circle at 84% 22%,rgba(143,63,95,.38),transparent 34%),radial-gradient(circle at 12% 80%,rgba(239,128,104,.12),transparent 30%),var(--bg-deep)}
.page-hero:after{content:"01 / DOMESTIC";position:absolute;right:7%;bottom:24px;color:rgba(239,128,104,.13);font-size:clamp(44px,9vw,130px);font-weight:900;letter-spacing:-.08em;pointer-events:none}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--accent-2);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--accent)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 360px;gap:70px;align-items:end}
.page-hero h1{max-width:720px;margin:18px 0 18px;font-size:clamp(40px,6vw,68px);line-height:1.12}
.hero-copy{max-width:680px;color:var(--muted);font-size:18px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.button-primary,.button-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:14px}
.button-secondary{border:1px solid var(--line);color:var(--ink);background:rgba(255,255,255,.03)}
.button-secondary:hover{border-color:var(--accent-2);color:var(--accent-2);transform:translateY(-2px)}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;border:1px solid var(--line);background:var(--line);border-radius:20px;overflow:hidden}
.hero-stat{padding:22px 18px;background:rgba(42,29,45,.82)}
.hero-stat strong{display:block;color:var(--accent);font-size:30px;line-height:1.2}
.hero-stat span{display:block;margin-top:5px;color:var(--muted);font-size:13px}
.section{padding:92px 0}
.section-light{background:var(--surface-light);color:var(--dark-ink)}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
.section-heading h2{margin:12px 0 0;font-size:clamp(30px,4vw,48px);line-height:1.18}
.section-heading p{max-width:500px;margin:0;color:var(--muted)}
.section-light .section-heading p{color:#766773}
.filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:16px;border:1px solid var(--line-dark);border-radius:18px;background:#fff8f3;margin-bottom:28px}
.filter-label{color:#766773;font-size:13px;font-weight:800}
.filter-chip{padding:8px 15px;border:1px solid #d9c6c4;border-radius:30px;background:transparent;color:#64525e;font-size:14px}
.filter-chip:hover,.filter-chip.active{border-color:var(--accent);background:rgba(239,128,104,.12);color:#a9434f}
.search-box{margin-left:auto;display:flex;align-items:center;gap:8px;border:1px solid #d9c6c4;border-radius:30px;padding:0 14px;background:#fff}
.search-box input{width:150px;height:38px;border:0;outline:0;background:transparent;color:var(--dark-ink);font-size:14px}
.search-box input:focus{box-shadow:none}
.content-layout{display:grid;grid-template-columns:250px 1fr;gap:24px}
.side-panel{padding:24px;border-radius:20px;background:#ead7d4;border:1px solid var(--line-dark);height:max-content}
.side-panel h3{margin:0 0 18px;font-size:21px}
.side-list{display:grid;gap:4px}
.side-list a{padding:11px 12px;border-radius:10px;color:#725e69;font-size:14px}
.side-list a:hover,.side-list a.active{background:rgba(239,128,104,.15);color:#a9434f;font-weight:800}
.index-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;color:#766773;font-size:14px}
.content-list{display:grid;gap:14px}
.content-card{display:grid;grid-template-columns:180px 1fr auto;gap:22px;align-items:center;padding:16px;border:1px solid var(--line-dark);border-radius:18px;background:#fff8f3;transition:var(--ease)}
.content-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 14px 30px rgba(80,44,55,.1)}
.cover{position:relative;min-height:116px;border-radius:13px;overflow:hidden;background:linear-gradient(135deg,#8f3f5f,#342331)}
.cover:before{content:"精选";position:absolute;left:13px;bottom:12px;padding:4px 9px;border-radius:8px;background:rgba(20,12,20,.65);color:#ffe2c7;font-size:12px}
.cover:after{content:"";position:absolute;inset:18px 24px;border:1px solid rgba(255,230,214,.35);transform:skew(-16deg)}
.card-meta{display:flex;gap:8px;align-items:center;margin-bottom:8px;color:#927c87;font-size:12px}
.badge{display:inline-flex;padding:4px 10px;border-radius:30px;background:rgba(239,128,104,.14);color:#b34c53;font-size:12px;font-weight:800}
.content-card h3{margin:0 0 7px;font-size:22px;line-height:1.35}
.content-card p{margin:0;color:#806d78;font-size:14px;line-height:1.65}
.card-link{padding:10px 14px;border:1px solid #d9c6c4;border-radius:11px;color:#a9434f;font-size:13px;white-space:nowrap}
.card-link:hover{background:var(--accent);color:#28151d;border-color:var(--accent)}
.info-band{padding:24px;border-radius:20px;background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.info-band h3{margin:0 0 8px;font-size:24px}
.info-band p{margin:0;color:var(--muted);font-size:14px}
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px;align-items:start}
.accordion{margin:0;background:transparent}
.accordion-item{border:0;border-bottom:1px solid var(--line)}
.accordion-title{padding:20px 38px 20px 0;border:0;color:var(--ink);font-size:17px;font-weight:700;background:transparent}
.accordion-title:hover,.accordion-title:focus{color:var(--accent);background:transparent}
.accordion-content{padding:0 38px 20px 0;background:transparent;color:var(--muted);font-size:14px}
.cta-section{padding:82px 0;background:var(--surface-2)}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:38px 42px;border:1px solid rgba(239,128,104,.35);border-radius:24px;background:linear-gradient(110deg,rgba(143,63,95,.42),rgba(36,27,41,.7))}
.cta-box h2{margin:10px 0;font-size:clamp(28px,4vw,46px)}
.cta-box p{margin:0;color:var(--muted);max-width:570px}
.site-footer{padding:48px 0 26px;background:var(--bg-deep);color:var(--ink)}
.footer-top{display:flex;justify-content:space-between;gap:30px;align-items:start;padding-bottom:35px;border-bottom:1px solid var(--line)}
.footer-brand{font-size:18px;font-weight:900}
.footer-desc{margin:12px 0 0;color:var(--muted);font-size:14px}
.footer-nav{display:flex;gap:22px;flex-wrap:wrap}
.footer-nav a{color:var(--muted);font-size:14px}
.footer-nav a:hover{color:var(--accent)}
.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#806f80;font-size:12px}
:focus-visible{outline:3px solid rgba(232,179,111,.75);outline-offset:3px}
@media(max-width:900px){
 .hero-grid,.content-layout,.faq-grid{grid-template-columns:1fr}
 .hero-grid{gap:35px}.hero-stats{max-width:500px}.content-layout{gap:30px}
 .side-panel{display:flex;align-items:center;gap:18px;overflow:auto}.side-panel h3{white-space:nowrap;margin:0}.side-list{display:flex;white-space:nowrap}
 .cta-box{align-items:flex-start;flex-direction:column}
}
@media(max-width:640px){
 .container{width:min(var(--container),calc(100% - 28px))}
 .site-header{top:12px}.nav-shell{padding:9px 10px 9px 14px}.brand-text{font-size:13px}
 .nav-action{display:none}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:62px;left:0;right:0;padding:10px;flex-direction:column;align-items:stretch;border:1px solid var(--line);border-radius:20px;background:#1b141f}
 .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
 .page-hero{padding:132px 0 62px}.page-hero h1{font-size:42px}.hero-copy{font-size:16px}
 .section{padding:64px 0}.section-heading{display:block}.section-heading p{margin-top:16px}
 .filter-bar{align-items:flex-start;flex-wrap:nowrap;overflow:auto}.filter-label{padding-top:9px;white-space:nowrap}
 .search-box{margin:0;min-width:190px}.content-card{grid-template-columns:92px 1fr;gap:14px}.cover{min-height:82px}.content-card h3{font-size:18px}.content-card p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-link{grid-column:2;width:max-content}
 .footer-top,.copyright{display:block}.footer-nav{margin-top:24px}.copyright span{display:block;margin-top:7px}
 .cta-box{padding:28px 22px}
}

/* roulang page: category2 */
:root{
      --bg:#17121a;
      --bg-deep:#100d13;
      --surface:#241b29;
      --surface-2:#2d2130;
      --surface-light:#f4e9e1;
      --ink:#f8eee9;
      --muted:#b9a8b4;
      --dark-ink:#30232d;
      --accent:#ef8068;
      --accent-2:#e8b36f;
      --wine:#8f3f5f;
      --success:#92c69b;
      --warning:#e8b36f;
      --danger:#e88080;
      --line:rgba(244,220,214,.16);
      --line-dark:rgba(48,35,45,.15);
      --radius:20px;
      --radius-sm:12px;
      --shadow:0 18px 55px rgba(5,3,8,.28);
      --container:1220px;
      --ease:all .28s ease;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.75;overflow-x:hidden}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{font-weight:800;letter-spacing:-.045em}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid var(--accent-2);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:absolute;z-index:20;top:22px;left:0;right:0}
    .nav-shell{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 12px 10px 20px;border:1px solid var(--line);border-radius:60px;background:rgba(20,14,23,.8);box-shadow:0 12px 40px rgba(0,0,0,.2);backdrop-filter:blur(16px)}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--accent);color:#24151e;display:grid;place-items:center;font-size:14px;font-weight:900}
    .brand-text{font-size:15px}
    .nav-links{display:flex;align-items:center;gap:5px;margin:0}
    .nav-links a{padding:9px 15px;border-radius:30px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(239,128,104,.14)}
    .nav-action{padding:10px 18px;border-radius:30px;background:var(--accent);color:#29141c;font-weight:800;font-size:14px}
    .nav-action:hover{background:#ff987e;transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:12px;padding:8px 12px}
    .page-hero{position:relative;padding:162px 0 82px;overflow:hidden;background:radial-gradient(circle at 82% 18%,rgba(143,63,95,.38),transparent 34%),radial-gradient(circle at 12% 80%,rgba(239,128,104,.12),transparent 27%),var(--bg-deep)}
    .page-hero:after{content:"02 / INDEX";position:absolute;right:5%;bottom:32px;color:rgba(239,128,104,.16);font-size:clamp(50px,10vw,150px);font-weight:900;letter-spacing:-.08em;line-height:1}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:end}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--accent-2);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--accent)}
    .page-hero h1{max-width:700px;margin:18px 0 20px;font-size:clamp(42px,6vw,72px);line-height:1.12}
    .hero-copy{max-width:620px;margin:0;color:var(--muted);font-size:18px;line-height:1.85}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .button-primary,.button-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:14px;font-weight:800;transition:var(--ease)}
    .button-primary{background:var(--accent);color:#28151d;border:1px solid var(--accent)}
    .button-primary:hover{background:#ff9a80;box-shadow:0 10px 28px rgba(239,128,104,.22);transform:translateY(-2px)}
    .button-secondary{border:1px solid var(--line);color:var(--ink);background:rgba(255,255,255,.03)}
    .button-secondary:hover{border-color:var(--accent-2);color:var(--accent-2);transform:translateY(-2px)}
    .hero-panel{padding:25px;border:1px solid var(--line);border-radius:24px;background:rgba(42,29,45,.8);box-shadow:var(--shadow)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px}
    .live-dot{display:inline-flex;align-items:center;gap:7px;color:var(--success);font-size:12px;font-weight:700}
    .live-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px rgba(146,198,155,.12)}
    .panel-title{margin:24px 0 20px;font-size:26px;line-height:1.3}
    .rank-list{display:grid;gap:10px}
    .rank-item{display:grid;grid-template-columns:32px 1fr auto;align-items:center;gap:12px;padding:14px 12px;border-radius:14px;border:1px solid transparent;background:rgba(255,255,255,.045)}
    .rank-item:hover{border-color:var(--accent);background:rgba(239,128,104,.08)}
    .rank-no{color:var(--accent-2);font-size:18px;font-weight:900}
    .rank-item strong{display:block;font-size:15px}
    .rank-item small{color:var(--muted);font-size:12px}
    .rank-value{color:var(--accent);font-size:13px;font-weight:800}
    .crumbs{margin-top:35px;color:var(--muted);font-size:13px}
    .crumbs a:hover{color:var(--accent-2)}
    .section{padding:96px 0}
    .section-light{background:var(--surface-light);color:var(--dark-ink)}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-heading h2{margin:12px 0 0;font-size:clamp(30px,4vw,48px);line-height:1.18}
    .section-heading p{max-width:510px;margin:0;color:var(--muted)}
    .section-light .section-heading p{color:#766773}
    .filter-shell{padding:20px;border:1px solid var(--line-dark);border-radius:var(--radius);background:#fff8f3;box-shadow:0 10px 30px rgba(80,44,55,.07)}
    .filter-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .filter-label{color:#766773;font-size:13px;font-weight:800;margin-right:4px}
    .filter-chip{min-height:38px;padding:6px 15px;border:1px solid rgba(48,35,45,.14);border-radius:30px;background:transparent;color:#655361;font-size:13px}
    .filter-chip:hover,.filter-chip.active{background:var(--dark-ink);border-color:var(--dark-ink);color:#fff8f3}
    .search-box{margin-left:auto;display:flex;align-items:center;gap:8px}
    .search-box input{width:190px;height:40px;border:1px solid rgba(48,35,45,.16);border-radius:12px;background:#fff;color:var(--dark-ink);padding:0 12px}
    .search-box button{height:40px;padding:0 14px;border:0;border-radius:12px;background:var(--accent);color:#29141c;font-weight:800}
    .index-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:22px;margin-top:25px}
    .feature-index{min-height:365px;padding:30px;border-radius:var(--radius);background:linear-gradient(145deg,#452b3d,#291d2d);border:1px solid rgba(239,128,104,.34);position:relative;overflow:hidden}
    .feature-index:after{content:"精选";position:absolute;right:-20px;top:24px;padding:5px 32px;background:var(--accent-2);color:#35202a;font-size:12px;font-weight:900;transform:rotate(35deg)}
    .feature-index h3{margin:85px 0 12px;font-size:30px}
    .feature-index p{color:var(--muted);font-size:14px}
    .feature-index .button-secondary{margin-top:15px}
    .index-list{display:grid;gap:12px}
    .index-card{display:grid;grid-template-columns:118px 1fr auto;gap:18px;align-items:center;padding:14px;border:1px solid var(--line-dark);border-radius:16px;background:#fff;color:var(--dark-ink);transition:var(--ease)}
    .index-card:hover{border-color:var(--accent);transform:translateX(4px);box-shadow:0 12px 26px rgba(80,44,55,.1)}
    .thumb{height:78px;border-radius:11px;background:linear-gradient(135deg,#8f3f5f,#e4a27d 58%,#f2d3b6);position:relative;overflow:hidden}
    .thumb:before{content:"";position:absolute;inset:12px;border:1px solid rgba(255,255,255,.5);border-radius:8px}
    .index-card h3{font-size:18px;margin:0 0 4px}
    .index-card p{margin:0;color:#806d78;font-size:13px;line-height:1.55}
    .card-meta{display:flex;gap:8px;align-items:center;margin-bottom:5px}
    .badge{display:inline-flex;padding:3px 9px;border-radius:30px;background:rgba(239,128,104,.14);color:#bd594d;font-size:11px;font-weight:800}
    .status{color:#63886b;font-size:12px;white-space:nowrap}
    .arrow{color:var(--accent);font-size:22px}
    .compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{padding:28px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);transition:var(--ease)}
    .compare-card.selected{border-color:var(--accent);box-shadow:0 0 0 1px rgba(239,128,104,.2)}
    .compare-card:hover{transform:translateY(-4px)}
    .compare-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
    .compare-top h3{margin:0;font-size:24px}
    .compare-note{font-size:12px;color:var(--accent-2)}
    .metric{margin-top:19px}
    .metric-head{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin-bottom:7px}
    .metric-head strong{color:var(--ink)}
    .meter{height:7px;border-radius:20px;background:rgba(255,255,255,.1);overflow:hidden}
    .meter span{display:block;height:100%;border-radius:20px;background:var(--accent)}
    .compare-card:nth-child(2) .meter span{background:var(--accent-2)}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:start}
    .faq-layout h2{font-size:clamp(30px,4vw,46px);line-height:1.18;margin:12px 0 16px}
    .faq-layout>div>p{color:var(--muted)}
    .faq-list{display:grid;gap:10px}
    .faq-item{border-bottom:1px solid var(--line);padding:0 0 5px}
    .faq-item button{width:100%;display:flex;justify-content:space-between;align-items:center;padding:17px 0;border:0;background:transparent;color:var(--ink);text-align:left;font-weight:800}
    .faq-item button span:last-child{color:var(--accent);font-size:24px;font-weight:400}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 36px 16px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open button{color:var(--accent-2)}
    .cta-section{padding:80px 0}
    .cta-box{display:grid;grid-template-columns:1fr .9fr;gap:45px;align-items:center;padding:44px;border:1px solid rgba(239,128,104,.38);border-radius:26px;background:linear-gradient(115deg,#3b2435,#211722);box-shadow:var(--shadow)}
    .cta-box h2{margin:12px 0 13px;font-size:clamp(30px,4vw,45px);line-height:1.2}
    .cta-box p{margin:0;color:var(--muted)}
    .quick-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
    .quick-links a{padding:9px 13px;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:13px}
    .quick-links a:hover{color:var(--accent-2);border-color:var(--accent-2)}
    .request-form{display:grid;gap:12px}
    .request-form label{font-size:13px;color:var(--muted)}
    .request-form input,.request-form select{width:100%;height:46px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.06);color:var(--ink);padding:0 13px}
    .request-form select option{background:var(--surface)}
    .request-form input::placeholder{color:#877583}
    .request-form button{height:48px;border:0;border-radius:13px;background:var(--accent);color:#28151d;font-weight:900}
    .request-form button:hover{background:#ff9a80;transform:translateY(-2px)}
    .form-note{color:#8d7d88;font-size:12px;margin:0}
    .site-footer{padding:43px 0 25px;background:var(--bg-deep);border-top:1px solid var(--line)}
    .footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:35px}
    .footer-brand{font-weight:900;font-size:18px;letter-spacing:-.04em}
    .footer-desc{max-width:390px;margin:10px 0 0;color:var(--muted);font-size:13px}
    .footer-nav{display:flex;flex-wrap:wrap;gap:8px}
    .footer-nav a{padding:7px 12px;border-radius:9px;color:var(--muted);font-size:13px}
    .footer-nav a:hover{color:var(--accent-2);background:rgba(239,128,104,.1)}
    .copyright{display:flex;justify-content:space-between;gap:20px;margin-top:36px;padding-top:18px;border-top:1px solid var(--line);color:#806f7c;font-size:12px}
    @media(max-width:900px){
      .hero-grid,.cta-box,.faq-layout,.index-layout{grid-template-columns:1fr}
      .hero-grid{gap:35px}
      .faq-layout{gap:30px}
      .feature-index{min-height:280px}
      .feature-index h3{margin-top:50px}
    }
    @media(max-width:720px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .site-header{top:12px}
      .nav-shell{padding:9px 10px 9px 14px}
      .brand-text{font-size:13px}
      .brand-mark{width:29px;height:29px}
      .nav-links{display:none;position:absolute;top:59px;left:0;right:0;padding:10px;border:1px solid var(--line);border-radius:20px;background:rgba(20,14,23,.97);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 15px}
      .nav-action{display:none}
      .menu-toggle{display:block}
      .page-hero{padding:130px 0 65px}
      .page-hero h1{font-size:42px}
      .hero-copy{font-size:16px}
      .section{padding:70px 0}
      .section-heading{display:block;margin-bottom:28px}
      .section-heading p{margin-top:14px}
      .filter-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:5px}
      .filter-label{flex:0 0 auto}
      .filter-chip{flex:0 0 auto}
      .search-box{width:100%;margin:10px 0 0}
      .search-box input{flex:1;width:auto}
      .index-card{grid-template-columns:84px 1fr}
      .index-card .arrow{display:none}
      .thumb{height:68px}
      .compare-wrap{grid-template-columns:1fr}
      .cta-box{padding:28px 22px}
      .footer-top,.copyright{display:block}
      .footer-nav{margin-top:22px}
      .copyright span{display:block;margin-top:8px}
    }
    @media(max-width:430px){
      .page-hero h1{font-size:36px}
      .hero-actions a{width:100%}
      .rank-item{grid-template-columns:27px 1fr auto}
    }