/* roulang page: index */
:root{
            --ink:#17202b;
            --muted:#6f7a86;
            --paper:#f7f8f6;
            --surface:#ffffff;
            --line:#e5e8e4;
            --night:#101b24;
            --night-soft:#182934;
            --mint:#a5e4c3;
            --mint-deep:#3c9c72;
            --coral:#ef836d;
            --gold:#e4b85b;
            --radius:18px;
            --shadow:0 14px 40px rgba(23,32,43,.08);
            --container:1180px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{display:block;width:100%;object-fit:cover}
        button,input{font:inherit}
        button{cursor:pointer;border:0}
        :focus-visible{outline:3px solid rgba(60,156,114,.35);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 40px));margin:auto}
        .topline{height:4px;background:linear-gradient(90deg,var(--mint-deep),var(--coral),var(--gold))}
        header{position:sticky;top:0;z-index:20;background:rgba(247,248,246,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(229,232,228,.9)}
        .nav{height:76px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap;font-size:17px}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--night);color:var(--mint);display:grid;place-items:center;font-weight:900;letter-spacing:-2px}
        .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
        .nav-links a{padding:9px 13px;color:#53606b;border-radius:10px;transition:.2s}
        .nav-links a:hover,.nav-links a.active{background:#eaf3ed;color:var(--mint-deep)}
        .nav-cta{padding:11px 17px;border-radius:10px;background:var(--night);color:white;font-weight:700;transition:.2s}
        .nav-cta:hover{background:var(--mint-deep);transform:translateY(-1px)}
        .menu-btn{display:none;background:transparent;color:var(--ink);font-size:25px}
        .hero{background:var(--night);color:white;position:relative;overflow:hidden}
        .hero:after{content:"";position:absolute;right:-120px;top:-180px;width:520px;height:520px;border:1px solid rgba(165,228,195,.2);border-radius:50%;box-shadow:0 0 0 45px rgba(165,228,195,.03),0 0 0 90px rgba(165,228,195,.025)}
        .hero-inner{min-height:570px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:70px;position:relative;z-index:1;padding:72px 0}
        .eyebrow{color:var(--mint);font-weight:800;letter-spacing:.08em;margin-bottom:19px}
        h1{font-size:clamp(40px,5vw,68px);line-height:1.1;letter-spacing:0;font-weight:850;max-width:650px}
        h1 em{font-style:normal;color:var(--coral)}
        .hero-copy{font-size:16px;color:#c8d2d5;max-width:610px;margin:25px 0 29px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:11px;font-weight:750;transition:.22s;border:1px solid transparent}
        .btn-primary{background:var(--mint);color:#102219}.btn-primary:hover{background:#c5f0d8;transform:translateY(-2px)}
        .btn-ghost{border-color:#52636a;color:white}.btn-ghost:hover{border-color:var(--mint);color:var(--mint)}
        .trust-row{display:flex;gap:20px;flex-wrap:wrap;margin-top:34px;color:#9eafb2;font-size:13px}
        .trust-row strong{color:white;font-size:18px;margin-right:4px}
        .hero-board{background:#1a2b35;border:1px solid #30464d;border-radius:22px;padding:22px;box-shadow:0 22px 55px rgba(0,0,0,.22)}
        .board-top{display:flex;justify-content:space-between;align-items:center;color:#aebdc0;margin-bottom:17px}
        .live-dot{color:var(--mint);font-size:12px}.live-dot:before{content:"";display:inline-block;width:8px;height:8px;background:var(--mint);border-radius:50%;margin-right:7px}
        .hero-poster{height:238px;border-radius:14px;overflow:hidden;position:relative;background:#263f46}
        .hero-poster img{height:100%}
        .poster-caption{position:absolute;inset:auto 0 0;padding:42px 20px 17px;background:linear-gradient(transparent,rgba(0,0,0,.8));color:white}
        .poster-caption h3{font-size:22px}.poster-caption p{font-size:13px;color:#ced8d7}
        .board-bottom{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:13px}
        .board-stat{background:#223740;border-radius:10px;padding:12px}.board-stat small{color:#9eb0b1;display:block;font-size:11px}.board-stat b{color:white;font-size:17px}
        section{padding:84px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
        .section-kicker{font-size:12px;letter-spacing:.12em;color:var(--mint-deep);font-weight:850;margin-bottom:7px}
        h2{font-size:32px;line-height:1.2;letter-spacing:0}
        .section-intro{max-width:590px;color:var(--muted);font-size:15px}
        .text-link{color:var(--mint-deep);font-weight:750;white-space:nowrap}
        .text-link:hover{text-decoration:underline}
        .feature-strip{background:#edf5ef;padding:34px 0}
        .feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
        .feature{padding:20px 20px 18px;border-left:3px solid var(--mint-deep)}
        .feature strong{display:block;font-size:18px;margin-bottom:5px}.feature p{color:var(--muted);font-size:13px}
        .content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
        .video-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;box-shadow:0 4px 12px rgba(23,32,43,.025)}
        .video-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c8ddd0}
        .thumb{height:174px;position:relative;overflow:hidden;background:#dbe4df}
        .thumb img{height:100%;transition:.35s}.video-card:hover .thumb img{transform:scale(1.045)}
        .badge{position:absolute;left:12px;top:12px;padding:4px 8px;border-radius:6px;background:rgba(16,27,36,.83);color:white;font-size:11px;font-weight:800}
        .rating{color:var(--gold);font-weight:800;font-size:13px}
        .card-body{padding:15px 16px 17px}.card-body h3{font-size:17px;margin:4px 0 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .meta{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
        .dark-section{background:var(--night);color:white}.dark-section .section-intro{color:#aebcc0}.dark-section .section-kicker{color:var(--mint)}
        .hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
        .hot-card{min-height:245px;border-radius:var(--radius);overflow:hidden;position:relative;border:1px solid #30464d}
        .hot-card img{height:100%;position:absolute;inset:0}.hot-card:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(8,15,20,.92))}
        .hot-content{position:absolute;z-index:1;bottom:18px;left:19px;right:19px}.hot-content h3{font-size:20px}.hot-content p{color:#c5d0d1;font-size:13px}
        .category-area{background:#fff}
        .category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
        .category{border:1px solid var(--line);border-radius:15px;padding:21px 18px;min-height:160px;transition:.2s}
        .category:hover{border-color:var(--mint-deep);background:#f5fbf7}.category-icon{font-size:25px;margin-bottom:12px}.category h3{font-size:17px;margin-bottom:7px}.category p{color:var(--muted);font-size:13px}
        .rank-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:26px}
        .ranking{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:10px 22px}
        .rank-item{display:grid;grid-template-columns:40px 1fr 95px 55px;align-items:center;gap:10px;padding:14px 0;border-bottom:1px solid #edf0ed}.rank-item:last-child{border:0}
        .rank-no{font-size:21px;font-weight:850;color:#bcc5c1}.rank-item:nth-child(-n+3) .rank-no{color:var(--coral)}.rank-title{font-weight:700}.rank-type{display:inline-block;background:#eef5ef;color:var(--mint-deep);padding:3px 7px;border-radius:5px;font-size:11px;margin-left:8px}.heat{color:var(--muted);font-size:13px}
        .metric-panel{background:#eaf3ed;border-radius:var(--radius);padding:28px}.metric-panel h3{font-size:22px;margin-bottom:22px}.metric{padding:17px 0;border-bottom:1px solid #d5e4d9}.metric:last-child{border:0}.metric b{font-size:29px;color:var(--mint-deep);display:block}.metric span{font-size:13px;color:var(--muted)}
        .compare{background:#f1eee7}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare-box{padding:28px;border-radius:var(--radius);background:white;border:1px solid var(--line)}.compare-box.emphasis{background:var(--night);color:white;border-color:var(--night)}.compare-box h3{font-size:21px;margin-bottom:17px}.compare-box li{list-style:none;padding:9px 0;border-bottom:1px solid var(--line);color:var(--muted)}.compare-box.emphasis li{border-color:#30464d;color:#ccd8d9}.compare-box li:before{content:"✓";color:var(--mint-deep);font-weight:900;margin-right:9px}.compare-box.emphasis li:before{color:var(--mint)}
        .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid #cfe2d5;margin-top:34px}.step{position:relative;padding:27px 22px 0 0}.step:before{content:"";position:absolute;top:-8px;left:0;width:14px;height:14px;border-radius:50%;background:var(--mint-deep);border:3px solid var(--paper)}.step span{font-size:12px;color:var(--mint-deep);font-weight:800}.step h3{font-size:18px;margin:9px 0 5px}.step p{font-size:13px;color:var(--muted)}
        .news-section{background:#fff}.news-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:20px}.news-card{border-bottom:1px solid var(--line);padding-bottom:18px}.news-card:first-child{grid-row:span 2}.news-card img{height:185px;border-radius:14px;margin-bottom:13px}.news-card:first-child img{height:270px}.news-card h3{font-size:18px;line-height:1.4}.news-card p{color:var(--muted);font-size:13px;margin-top:6px}.news-date{font-size:12px;color:#9ca6a4;margin-top:8px}
        .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.faq{background:white;border:1px solid var(--line);border-radius:13px;padding:18px 20px}.faq summary{cursor:pointer;font-weight:750;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"＋";color:var(--mint-deep);font-size:20px}.faq[open] summary:after{content:"－"}.faq p{color:var(--muted);font-size:14px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
        .final-cta{background:var(--coral);color:#251c1b}.final-cta .container{display:flex;justify-content:space-between;align-items:center;gap:30px}.final-cta h2{max-width:650px}.final-cta p{margin-top:8px;color:#5b3833}.final-cta .btn{background:var(--night);color:white}.final-cta .btn:hover{background:#253a42}
        footer{background:#111b22;color:#b6c2c3;padding:57px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px;border-bottom:1px solid #2c3b40}.footer-brand{color:white;font-size:18px;font-weight:800;margin-bottom:12px}.footer-desc{font-size:13px;max-width:280px;color:#839395}.footer-col h3{font-size:14px;color:white;margin-bottom:15px}.footer-col a{display:block;font-size:13px;margin:8px 0;color:#9eacad}.footer-col a:hover{color:var(--mint)}.copyright{font-size:12px;color:#718082;padding-top:20px;display:flex;justify-content:space-between;gap:15px}
        @media(max-width:1024px){.hero-inner{gap:35px}.content-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(3,1fr)}.feature-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav{height:68px}.menu-btn{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:10px 15px 17px;border-bottom:1px solid var(--line);box-shadow:0 10px 20px rgba(0,0,0,.05);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{text-align:center}.nav-cta{display:none}.hero-inner{grid-template-columns:1fr;padding:57px 0 64px;min-height:auto}.hero-board{max-width:570px}.hero-copy{font-size:15px}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:13px}.content-grid{grid-template-columns:repeat(2,1fr)}.hot-grid{grid-template-columns:repeat(2,1fr)}.rank-layout{grid-template-columns:1fr}.timeline{grid-template-columns:repeat(2,1fr);row-gap:27px}.news-grid{grid-template-columns:1fr 1fr}.news-card:first-child{grid-column:span 2}.news-card:first-child img,.news-card img{height:190px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-col:last-child{display:none}}
        @media(max-width:520px){body{font-size:14px}section{padding:62px 0}.brand{font-size:14px}.brand-mark{width:34px;height:34px}.hero h1{font-size:42px}.hero-actions .btn{width:100%}.trust-row{gap:12px}.hero-board{padding:14px}.hero-poster{height:205px}.feature-grid,.content-grid,.hot-grid,.category-grid,.compare-grid,.faq-grid,.news-grid{grid-template-columns:1fr}.feature{padding:16px}.news-card:first-child{grid-column:auto}.news-card:first-child img,.news-card img{height:205px}.rank-item{grid-template-columns:30px 1fr 55px}.rank-item .heat{display:none}.rank-type{display:block;width:max-content;margin:5px 0 0}.timeline{grid-template-columns:1fr}.final-cta .container{display:block}.final-cta .btn{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid .footer-brand{grid-column:span 2}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: category1 */
:root{
  --ink:#17202b;
  --muted:#6f7a86;
  --paper:#f7f8f6;
  --surface:#ffffff;
  --line:#e5e8e4;
  --night:#101b24;
  --night-soft:#182934;
  --mint:#a5e4c3;
  --mint-deep:#3c9c72;
  --coral:#ef836d;
  --gold:#e4b85b;
  --radius:18px;
  --card-radius:8px;
  --shadow:0 14px 40px rgba(23,32,43,.08);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer;border:0}
button:focus-visible,a:focus-visible,summary:focus-visible{
  outline:3px solid var(--coral);
  outline-offset:3px;
}
::selection{background:var(--mint);color:var(--night)}
.container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
.skip-link{
  position:absolute;left:12px;top:-50px;z-index:50;
  padding:9px 14px;background:#fff;color:var(--ink);border-radius:6px;
}
.skip-link:focus{top:12px}
header{
  position:sticky;top:0;z-index:20;
  background:rgba(247,248,246,.94);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(229,232,228,.9);
}
.nav{height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap;font-size:17px}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--night);
  color:var(--mint);display:grid;place-items:center;font-weight:900;
}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-links a{
  padding:9px 13px;color:#53606b;border-radius:10px;
  transition:background .2s,color .2s;
}
.nav-links a:hover,.nav-links a.active{background:#eaf3ed;color:var(--mint-deep)}
.nav-cta{
  padding:11px 17px;border-radius:10px;background:var(--night);
  color:white;font-weight:700;transition:background .2s,transform .2s;
}
.nav-cta:hover{background:var(--mint-deep);transform:translateY(-1px)}
.menu-btn{display:none;background:transparent;color:var(--ink);font-size:25px}
main{overflow:hidden}
.hero{
  min-height:530px;position:relative;isolation:isolate;overflow:hidden;
  display:flex;align-items:center;background:var(--night);color:#fff;
}
.hero-image{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:rgba(8,15,20,.62)}
.hero-inner{width:100%;padding:74px 0 78px}
.hero-copy{max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--mint);font-weight:800;margin:0 0 17px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--mint)}
.hero h1{font-size:50px;line-height:1.16;margin:0;max-width:760px;font-weight:850}
.hero h1 span{color:var(--mint)}
.hero-subtitle{font-size:20px;color:#e5eeeb;margin:17px 0 0;font-weight:650}
.hero-description{max-width:650px;color:#c8d2d5;font-size:16px;margin:16px 0 24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 19px;border-radius:9px;font-weight:750;
  transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;
}
.btn-primary{background:var(--mint);color:#102219}
.btn-primary:hover{background:#c5f0d8;transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.18)}
.btn-ghost{border:1px solid rgba(255,255,255,.48);color:white;background:rgba(16,27,36,.2)}
.btn-ghost:hover{border-color:var(--mint);color:var(--mint);background:rgba(16,27,36,.55)}
.trust-checks{display:flex;gap:11px 22px;flex-wrap:wrap;margin-top:27px;color:#e1e9e7;font-size:13px}
.trust-checks span{display:inline-flex;align-items:center;gap:8px}
.check-icon{
  width:18px;height:18px;display:grid;place-items:center;
  border-radius:50%;background:rgba(165,228,195,.18);color:var(--mint);font-size:12px;font-weight:900;
}
section{padding:76px 0}
.section-head{
  display:flex;justify-content:space-between;align-items:end;gap:25px;
  margin:0 0 27px;
}
.section-kicker{font-size:12px;color:var(--mint-deep);font-weight:850;margin:0 0 6px}
.section-head h2{font-size:30px;line-height:1.25;margin:0;font-weight:820}
.section-intro{max-width:570px;color:var(--muted);font-size:14px;margin:8px 0 0}
.text-link{color:var(--mint-deep);font-weight:750;white-space:nowrap}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.feature-strip{background:#edf5ef;padding:27px 0}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{
  min-height:94px;padding:12px 16px 12px 19px;
  border-left:3px solid var(--mint-deep);
}
.feature strong{display:block;font-size:17px;margin-bottom:4px}
.feature p{color:var(--muted);font-size:13px;margin:0;line-height:1.55}
.category-area{background:#fff}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.topic-card{
  min-height:145px;display:flex;flex-direction:column;justify-content:space-between;
  padding:19px 20px;background:#f8faf8;border:1px solid var(--line);
  border-radius:var(--card-radius);transition:border-color .2s,background .2s,transform .2s;
}
.topic-card:hover{border-color:#9ac9ad;background:#f1f8f3;transform:translateY(-2px)}
.topic-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.topic-icon{
  width:38px;height:38px;border-radius:8px;background:#e7f2eb;color:var(--mint-deep);
  display:grid;place-items:center;font-size:17px;font-weight:850;
}
.topic-arrow{color:var(--mint-deep);font-size:20px}
.topic-card h3{font-size:17px;margin:13px 0 4px}
.topic-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.latest-section{background:var(--paper)}
.content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.video-card{
  min-width:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--card-radius);overflow:hidden;
  transition:transform .23s,box-shadow .23s,border-color .23s;
}
.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8ddd0}
.thumb{aspect-ratio:1.42;position:relative;overflow:hidden;background:#dce5df}
.thumb img{height:100%;transition:transform .35s}
.video-card:hover .thumb img{transform:scale(1.045)}
.badge{
  position:absolute;left:11px;top:11px;padding:4px 8px;border-radius:5px;
  background:rgba(16,27,36,.84);color:#fff;font-size:11px;font-weight:800;
}
.card-body{padding:14px 15px 15px}
.card-body h3{font-size:16px;line-height:1.45;margin:2px 0 7px}
.card-body p{font-size:12px;color:var(--muted);line-height:1.55;margin:0 0 11px}
.meta{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--muted);font-size:11px}
.meta span:last-child{color:var(--mint-deep);font-weight:700}
.popular-section{background:var(--night);color:#fff}
.popular-section .section-intro{color:#aebcc0}
.popular-section .section-kicker{color:var(--mint)}
.hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.hot-card{
  min-height:245px;position:relative;overflow:hidden;border-radius:var(--card-radius);
  border:1px solid #30464d;background:#253842;
}
.hot-card img{position:absolute;inset:0;height:100%;transition:transform .4s}
.hot-card:hover img{transform:scale(1.04)}
.hot-card::after{
  content:"";position:absolute;inset:28% 0 0;
  background:linear-gradient(transparent,rgba(8,15,20,.94));
}
.hot-card-content{position:absolute;z-index:1;left:18px;right:18px;bottom:17px}
.hot-label{
  display:inline-flex;padding:4px 8px;border-radius:5px;background:rgba(165,228,195,.18);
  color:var(--mint);font-size:11px;font-weight:800;margin-bottom:8px;
}
.hot-card h3{font-size:18px;line-height:1.4;margin:0 0 5px}
.hot-card p{font-size:12px;color:#d0dcda;margin:0}
.ranking-section{background:#f0f3ef}
.ranking-wrap{display:grid;grid-template-columns:.78fr 1.22fr;gap:54px;align-items:start}
.ranking-aside{position:sticky;top:110px}
.ranking-aside h2{font-size:31px;line-height:1.25;margin:0 0 12px}
.ranking-aside p{color:var(--muted);font-size:14px;margin:0 0 20px}
.rank-note{
  padding:15px 16px;border-left:3px solid var(--coral);
  background:#fff;border-radius:0 7px 7px 0;color:#53606b;font-size:12px;
}
.rank-list{display:grid;grid-template-columns:1fr 1fr;column-gap:28px}
.rank-item{
  min-width:0;display:grid;grid-template-columns:36px minmax(0,1fr) auto;
  align-items:center;gap:10px;padding:13px 0;border-bottom:1px solid #dce2dc;
}
.rank-no{
  width:28px;height:28px;display:grid;place-items:center;border-radius:7px;
  background:#fff;color:#64716b;font-size:12px;font-weight:850;
}
.rank-item:nth-child(-n+3) .rank-no{background:#fbe8e2;color:#c76049}
.rank-title{font-weight:750;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-tag{font-size:11px;color:var(--muted);white-space:nowrap}
.format-section{background:#fff}
.format-grid{display:grid;grid-template-columns:1fr 1fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.format-item{padding:25px 26px 26px;border-right:1px solid var(--line)}
.format-item:last-child{border-right:0}
.format-time{font-size:13px;color:var(--mint-deep);font-weight:800}
.format-item h3{font-size:20px;margin:8px 0}
.format-item p{font-size:13px;color:var(--muted);margin:0;max-width:300px}
.format-item:nth-child(2) h3{color:#b36d42}
.format-item:nth-child(3) h3{color:#425f71}
.news-section{background:#f7f8f6}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{min-width:0;padding-bottom:15px;border-bottom:1px solid var(--line)}
.news-card img{aspect-ratio:1.78;border-radius:7px;margin-bottom:12px}
.news-type{font-size:11px;color:var(--mint-deep);font-weight:800}
.news-card h3{font-size:16px;line-height:1.45;margin:5px 0}
.news-card p{color:var(--muted);font-size:12px;line-height:1.6;margin:0}
.source-section{background:#edf5ef}
.source-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:55px;align-items:center}
.source-copy h2{font-size:30px;line-height:1.3;margin:0 0 13px}
.source-copy p{max-width:640px;color:#58665f;margin:0 0 15px}
.source-points{display:grid;gap:12px}
.source-point{
  display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start;
  padding:15px;background:#fff;border:1px solid #e1eae3;border-radius:7px;
}
.source-point strong{display:block;font-size:14px;margin:0 0 3px}
.source-point p{font-size:12px;color:var(--muted);margin:0;line-height:1.6}
.source-symbol{
  width:32px;height:32px;border-radius:7px;background:#e8f4eb;
  color:var(--mint-deep);display:grid;place-items:center;font-size:15px;font-weight:900;
}
.faq-section{background:#fff}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.faq{
  background:#f8faf8;border:1px solid var(--line);border-radius:7px;padding:17px 18px;
}
.faq summary{
  cursor:pointer;font-weight:750;list-style:none;display:flex;justify-content:space-between;
  align-items:center;gap:12px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";color:var(--mint-deep);font-size:19px;line-height:1}
.faq[open] summary::after{content:"－"}
.faq p{color:var(--muted);font-size:13px;line-height:1.7;margin:12px 0 0}
.faq-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  margin-top:26px;padding:19px 21px;background:var(--night);border-radius:8px;color:#fff;
}
.faq-bottom p{margin:0;color:#d2dcda}
.faq-bottom .btn{flex:none}
footer{background:var(--night);color:#fff;padding:54px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
.footer-brand{font-size:18px;font-weight:850;margin-bottom:10px}
.footer-desc{max-width:330px;color:#aebcc0;font-size:13px;margin:0}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-col h3{font-size:13px;margin:0 0 5px;color:var(--mint)}
.footer-col a{font-size:13px;color:#b7c2c4;transition:color .2s}
.footer-col a:hover{color:var(--mint)}
.copyright{
  min-height:58px;border-top:1px solid #2c3b43;
  display:flex;justify-content:space-between;align-items:center;gap:15px;
  color:#8e9da1;font-size:11px;
}
@media(max-width:1024px){
  .nav{gap:16px}
  .nav-links a{padding:9px 9px;font-size:13px}
  .content-grid{grid-template-columns:repeat(3,1fr)}
  .ranking-wrap{gap:32px}
}
@media(max-width:768px){
  .container{width:min(var(--container),calc(100% - 32px))}
  .nav{height:68px;gap:13px}
  .brand{font-size:15px}
  .brand-mark{width:35px;height:35px}
  .menu-btn{display:block;margin-left:auto;line-height:1}
  .nav-links{
    display:none;position:absolute;left:16px;right:16px;top:62px;
    margin:0;padding:10px;background:#fff;border:1px solid var(--line);
    border-radius:10px;box-shadow:var(--shadow);align-items:stretch;
  }
  .nav-links.open{display:flex;flex-direction:column}
  .nav-links a{padding:11px 12px}
  .nav-cta{padding:10px 12px;font-size:13px;white-space:nowrap}
  .hero{min-height:500px}
  .hero-inner{padding:66px 0}
  .hero h1{font-size:42px}
  section{padding:62px 0}
  .feature-grid{grid-template-columns:repeat(2,1fr);gap:10px 15px}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .content-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .hot-grid{grid-template-columns:repeat(2,1fr)}
  .hot-card{min-height:220px}
  .ranking-wrap{grid-template-columns:1fr;gap:20px}
  .ranking-aside{position:static}
  .rank-list{column-gap:20px}
  .format-grid{grid-template-columns:1fr}
  .format-item{border-right:0;border-bottom:1px solid var(--line);padding:20px 4px}
  .format-item:last-child{border-bottom:0}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:17px}
  .source-grid{grid-template-columns:1fr;gap:25px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:26px}
}
@media(max-width:520px){
  .container{width:calc(100% - 28px)}
  .nav{gap:8px}
  .brand{font-size:13px;gap:8px}
  .brand-mark{width:32px;height:32px;border-radius:9px}
  .nav-cta{font-size:12px;padding:9px 10px}
  .hero{min-height:510px}
  .hero-inner{padding:58px 0}
  .hero h1{font-size:35px}
  .hero-subtitle{font-size:17px}
  .hero-description{font-size:14px}
  .trust-checks{gap:9px 14px}
  section{padding:52px 0}
  .section-head{display:block;margin-bottom:21px}
  .section-head h2,.source-copy h2{font-size:25px}
  .section-head .text-link{display:inline-block;margin-top:12px}
  .feature-grid{grid-template-columns:1fr 1fr;gap:8px}
  .feature{padding:10px 8px 10px 12px;min-height:92px}
  .feature strong{font-size:14px}
  .feature p{font-size:11px}
  .category-grid{grid-template-columns:1fr}
  .topic-card{min-height:125px}
  .content-grid{gap:10px}
  .thumb{aspect-ratio:1.18}
  .card-body{padding:11px}
  .card-body h3{font-size:14px}
  .card-body p{font-size:11px}
  .meta{font-size:10px}
  .badge{left:8px;top:8px;font-size:10px}
  .hot-grid{grid-template-columns:1fr}
  .hot-card{min-height:215px}
  .rank-list{grid-template-columns:1fr}
  .rank-item{padding:11px 0}
  .news-grid{grid-template-columns:1fr 1fr;gap:13px}
  .news-card h3{font-size:14px}
  .news-card p{font-size:11px}
  .faq-grid{grid-template-columns:1fr}
  .faq-bottom{align-items:flex-start;flex-direction:column}
  .faq-bottom .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px 14px}
  .footer-grid>div:first-child{grid-column:1/-1}
  .copyright{align-items:flex-start;flex-direction:column;justify-content:center;padding:13px 0}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
}