/* roulang page: index */
:root{--ink:#f5f7fa;--muted:#9ba7b6;--dim:#6f7a88;--bg:#101419;--panel:#171d24;--panel2:#1d252e;--line:#2b3540;--red:#e65b68;--red2:#ff8b83;--cyan:#7bd5d0;--gold:#e7c27a;--radius:16px;--shadow:0 18px 50px rgba(0,0,0,.25);--max:1220px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.header{position:sticky;top:0;z-index:10;background:rgba(16,20,25,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08)}.nav{height:76px;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;white-space:nowrap}.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--red);display:grid;place-items:center;color:#fff;font-size:18px;box-shadow:0 8px 20px rgba(230,91,104,.25)}.brand small{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:1px}.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}.nav-links a{font-size:14px;color:var(--muted);transition:.25s}.nav-links a:hover,.nav-links a.active{color:#fff}.nav-search{width:155px;border:1px solid var(--line);background:#141a20;border-radius:9px;padding:9px 12px;color:#fff;outline:none}.nav-search:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(123,213,208,.12)}
.hero{min-height:570px;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(16,20,25,.98) 20%,rgba(16,20,25,.78) 56%,rgba(16,20,25,.24)),url("https://images.unsplash.com/photo-1515886657613-9f3515b0c78f?auto=format&fit=crop&w=1900&q=85") center/cover}.hero:after{content:"";position:absolute;inset:auto 0 0;height:100px;background:linear-gradient(transparent,var(--bg))}.hero-inner{position:relative;z-index:1;max-width:760px;padding:70px 0}.eyebrow{color:var(--cyan);font-size:13px;letter-spacing:2px;margin-bottom:18px}.hero h1{font-size:clamp(36px,5vw,68px);line-height:1.13;letter-spacing:0;font-weight:800;margin-bottom:20px}.hero h1 em{font-style:normal;color:var(--red2)}.hero p{max-width:690px;color:#d4dbe2;font-size:17px;line-height:1.9;margin-bottom:30px}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:12px 20px;font-weight:700;transition:.25s}.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:#f1737d;transform:translateY(-2px);box-shadow:0 12px 25px rgba(230,91,104,.24)}.btn-outline{border-color:#66717d;color:#e9edf1;background:rgba(16,20,25,.5)}.btn-outline:hover{border-color:var(--cyan);color:var(--cyan)}.hero-stats{display:flex;gap:26px;margin-top:46px;color:var(--muted);font-size:13px}.hero-stats strong{display:block;color:#fff;font-size:23px;line-height:1.2}
.section{padding:88px 0;border-bottom:1px solid rgba(255,255,255,.06)}.section.alt{background:#131920}.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:30px}.section-head h2{font-size:30px;line-height:1.3}.section-head p{max-width:600px;color:var(--muted);font-size:14px}.text-link{color:var(--cyan);font-size:14px;white-space:nowrap}.text-link:hover{color:#fff}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.content-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}.content-card:hover{transform:translateY(-5px);border-color:#52616c;box-shadow:var(--shadow)}.cover{aspect-ratio:4/5;position:relative;overflow:hidden}.cover img{height:100%;transition:transform .45s}.content-card:hover .cover img{transform:scale(1.05)}.cover:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.72))}.badge{position:absolute;z-index:1;left:12px;top:12px;padding:3px 8px;border-radius:5px;background:rgba(13,17,21,.84);color:var(--cyan);font-size:11px}.rating{position:absolute;z-index:1;right:12px;bottom:10px;color:var(--gold);font-size:14px;font-weight:700}.card-info{padding:14px 15px 16px}.card-info h3{font-size:16px;margin-bottom:3px}.card-info p{font-size:12px;color:var(--muted)}.popular-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.popular-card{display:grid;grid-template-columns:145px 1fr;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.popular-card img{height:180px}.popular-copy{padding:22px 18px}.popular-copy h3{font-size:19px;margin:18px 0 4px}.popular-copy p{color:var(--muted);font-size:13px}.score{color:var(--gold);font-size:22px;font-weight:800}
.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.category{padding:25px 20px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,#1b242c,#151b21);min-height:180px}.category span{color:var(--red2);font-size:25px;font-weight:800}.category h3{margin:15px 0 8px;font-size:17px}.category p{color:var(--muted);font-size:13px;line-height:1.75}
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}.feature-panel{padding:34px;border:1px solid var(--line);background:var(--panel);border-radius:var(--radius)}.feature-panel h3{font-size:23px;margin-bottom:12px}.feature-panel p{color:var(--muted);font-size:14px}.feature-list{margin-top:22px;display:grid;gap:12px}.feature-list li{list-style:none;padding:13px 15px;background:#202932;border-left:3px solid var(--red);color:#d5dce2;border-radius:7px;font-size:14px}.quote{background:#263a3b;border-color:#3d6765}.quote strong{display:block;color:var(--cyan);font-size:30px;margin-bottom:12px}.quote cite{display:block;color:#dce6e6;font-style:normal;margin-top:20px;font-size:13px}
.rank-list{display:grid;grid-template-columns:1fr 1fr;gap:0 34px}.rank-item{display:grid;grid-template-columns:38px 1fr auto auto;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid var(--line)}.rank-no{font-size:20px;color:var(--red2);font-weight:800}.rank-item h3{font-size:15px}.rank-item small{color:var(--muted)}.rank-score{color:var(--gold);font-weight:700}.rank-tag{font-size:11px;border:1px solid #42505b;color:var(--cyan);padding:2px 7px;border-radius:4px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.news-card{display:flex;gap:15px;padding:15px;border:1px solid var(--line);background:var(--panel);border-radius:12px}.news-card img{width:92px;height:82px;border-radius:8px;flex:none}.news-card h3{font-size:14px;line-height:1.5;margin-bottom:5px}.news-card p,.news-card time{font-size:12px;color:var(--muted)}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq{padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.faq h3{font-size:16px;margin-bottom:8px}.faq p{font-size:13px;color:var(--muted);line-height:1.8}.cta{padding:70px 0;background:#1b242b;text-align:center}.cta h2{font-size:32px;margin-bottom:12px}.cta p{color:var(--muted);max-width:680px;margin:0 auto 25px}.footer{padding:50px 0 24px;background:#0c1014}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding-bottom:38px}.footer h3{font-size:15px;margin-bottom:14px}.footer p,.footer a{color:var(--muted);font-size:13px}.footer a{display:block;margin:7px 0}.footer a:hover{color:#fff}.footer-brand{font-size:18px;font-weight:800;color:#fff!important;margin-bottom:12px}.copyright{border-top:1px solid var(--line);padding-top:20px;color:var(--dim);font-size:12px;display:flex;justify-content:space-between;gap:20px}
@media(max-width:1024px){.nav{gap:18px}.nav-links{gap:14px}.nav-search{display:none}.card-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(3,1fr)}.popular-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.nav{height:68px}.brand{font-size:13px}.brand-mark{width:34px;height:34px}.nav-links{overflow:auto;white-space:nowrap;margin-left:auto}.nav-links a{font-size:12px}.hero{min-height:590px}.hero-inner{padding:80px 0 110px}.hero p{font-size:15px}.hero-stats{margin-top:35px}.section{padding:64px 0}.section-head{display:block}.section-head p{margin-top:10px}.section-head .text-link{display:inline-block;margin-top:12px}.split,.faq-grid{grid-template-columns:1fr}.news-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.card-grid{grid-template-columns:repeat(2,1fr);gap:11px}.card-info{padding:11px}.card-info h3{font-size:14px}.cover{aspect-ratio:3/4}.popular-grid,.category-grid,.news-grid{grid-template-columns:1fr}.popular-card{grid-template-columns:125px 1fr}.popular-card img{height:160px}.rank-list{grid-template-columns:1fr}.rank-item{grid-template-columns:32px 1fr auto}.rank-tag{display:none}.hero h1{font-size:39px}.hero-stats{gap:16px}.hero-stats strong{font-size:19px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}