/* roulang page: index */
:root{--ink:#18161b;--paper:#f7f5f2;--soft:#efebe7;--card:#fff;--line:#ddd6d1;--muted:#756e6a;--berry:#a72c58;--berry-dark:#772041;--lime:#c9e35a;--orange:#f08b50;--shadow:0 14px 35px rgba(39,25,31,.09);--radius:12px;--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit;border:0;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid var(--lime);outline-offset:3px}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.site-header{height:76px;background:rgba(247,245,242,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap}.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--berry);color:white;display:grid;place-items:center;font-size:20px;box-shadow:4px 4px 0 var(--lime)}.brand-text{font-size:15px;letter-spacing:0}.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}.nav-links a{font-size:14px;color:#554d4b;position:relative;padding:25px 0}.nav-links a:after{content:"";position:absolute;left:0;right:100%;bottom:17px;height:2px;background:var(--berry);transition:.2s}.nav-links a:hover,.nav-links a.active{color:var(--berry-dark)}.nav-links a:hover:after,.nav-links a.active:after{right:0}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;padding:11px 18px;font-weight:700;transition:.2s;border:1px solid transparent}.nav-cta,.btn-primary{background:var(--berry);color:white}.nav-cta:hover,.btn-primary:hover{background:var(--berry-dark);transform:translateY(-2px)}.menu-toggle{display:none;background:transparent;color:var(--berry);font-size:25px;margin-left:auto}.hero{min-height:640px;color:white;display:flex;align-items:center;position:relative;background-image:url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=1800&q=88");background-size:cover;background-position:center}.hero:before{content:"";position:absolute;inset:0;background:rgba(20,13,18,.62)}.hero-inner{position:relative;z-index:1;padding:78px 0 62px}.eyebrow{color:var(--lime);font-weight:800;font-size:13px;letter-spacing:1px;margin-bottom:16px}.hero h1{font-size:clamp(34px,5vw,68px);line-height:1.12;max-width:760px;margin:0 0 20px;font-weight:850}.hero h1 span{color:var(--lime)}.hero-lead{font-size:19px;max-width:650px;margin:0 0 18px;color:#f5e9ed}.hero-copy{font-size:15px;max-width:670px;color:#e2d6d8;margin-bottom:28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn-light{background:white;color:var(--berry-dark)}.btn-light:hover{background:var(--lime);transform:translateY(-2px)}.hero-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:42px}.hero-meta span{border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.1);padding:7px 12px;border-radius:6px;font-size:13px}.section{padding:78px 0}.section-alt{background:var(--soft)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-head h2{font-size:31px;line-height:1.25;margin:0;max-width:660px}.section-head p{color:var(--muted);max-width:600px;margin:8px 0 0}.text-link{color:var(--berry);font-weight:700;white-space:nowrap}.benefits{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.benefit{padding:28px 25px;border-right:1px solid var(--line)}.benefit:last-child{border:0}.benefit-icon{color:var(--berry);font-size:25px;margin-bottom:7px}.benefit h3{font-size:18px;margin:0 0 5px}.benefit p{color:var(--muted);font-size:14px;margin:0}.poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.poster{min-width:0}.poster-image{aspect-ratio:3/4;overflow:hidden;border-radius:var(--radius);background:#d8d0cb;position:relative}.poster-image img{width:100%;height:100%;object-fit:cover;transition:.35s}.poster:hover img{transform:scale(1.04)}.poster-status{position:absolute;top:10px;left:10px;background:var(--lime);color:#273014;border-radius:5px;padding:3px 7px;font-size:11px;font-weight:800}.poster-info{padding:10px 2px}.poster-info h3{font-size:16px;margin:0 0 3px}.rating{color:var(--berry);font-weight:800;font-size:13px}.scene-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.scene{min-height:230px;padding:20px;color:white;border-radius:var(--radius);display:flex;flex-direction:column;justify-content:end;background-size:cover;background-position:center;position:relative;overflow:hidden}.scene:before{content:"";position:absolute;inset:0;background:rgba(31,18,26,.45)}.scene>*{position:relative}.scene small{color:var(--lime);font-weight:800}.scene h3{margin:6px 0;font-size:19px}.scene p{margin:0;font-size:13px;color:#eee}.scene:nth-child(1){background-image:url("https://images.unsplash.com/photo-1493976040374-85c8e12f0c0e?auto=format&fit=crop&w=600&q=80")}.scene:nth-child(2){background-image:url("https://images.unsplash.com/photo-1538485399081-7c897e31c66d?auto=format&fit=crop&w=600&q=80")}.scene:nth-child(3){background-image:url("https://images.unsplash.com/photo-1517604931442-7e0c8ed2963c?auto=format&fit=crop&w=600&q=80")}.scene:nth-child(4){background-image:url("https://images.unsplash.com/photo-1524985069026-dd778a71c7b4?auto=format&fit=crop&w=600&q=80")}.scene:nth-child(5){background-image:url("https://images.unsplash.com/photo-1440404653325-ab127d49abc1?auto=format&fit=crop&w=600&q=80")}.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.channel{background:white;border:1px solid var(--line);padding:20px;border-radius:10px;display:flex;justify-content:space-between;gap:18px;align-items:start}.channel b{font-size:18px}.channel p{color:var(--muted);font-size:13px;margin:5px 0 0}.channel strong{color:var(--berry);font-size:22px}.popular-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.feature-pop{min-height:330px;border-radius:var(--radius);padding:28px;color:#fff;background:url("https://images.unsplash.com/photo-1536440136628-849c177e76a1?auto=format&fit=crop&w=1000&q=80") center/cover;position:relative;display:flex;flex-direction:column;justify-content:end;overflow:hidden}.feature-pop:before{content:"";position:absolute;inset:0;background:rgba(30,12,22,.42)}.feature-pop>*{position:relative}.feature-pop h3{font-size:29px;margin:7px 0}.pop-list{display:grid;gap:9px}.pop-item{display:flex;align-items:center;gap:13px;background:white;border:1px solid var(--line);padding:12px 15px;border-radius:9px}.pop-item .num{font-weight:850;color:var(--berry);font-size:20px}.pop-item h3{font-size:15px;margin:0}.pop-item small{color:var(--muted)}.proof{background:var(--ink);color:#fff}.proof-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:50px;align-items:center}.proof h2{font-size:34px;line-height:1.25;margin:0 0 14px}.proof p{color:#cfc4c6}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stat{border-left:2px solid var(--lime);padding:13px 15px;background:#262127}.stat strong{font-size:28px;display:block;color:var(--lime)}.stat span{font-size:13px;color:#d5c9cc}.quote-list{display:grid;gap:12px;margin-top:20px}.quote{border-top:1px solid #41363b;padding-top:13px;color:#eadfe2;font-size:14px}.quote b{color:var(--lime);margin-right:9px}.compare{overflow:auto}.compare table{border-collapse:collapse;width:100%;min-width:650px;background:white;border:1px solid var(--line)}th,td{text-align:left;padding:16px;border-bottom:1px solid var(--line)}th{background:var(--berry);color:#fff}td:first-child{font-weight:700}.yes{color:var(--berry);font-weight:800}.ranking{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.rank-row{display:grid;grid-template-columns:42px 1fr 90px 48px;align-items:center;gap:10px;padding:13px 15px;background:white;border:1px solid var(--line);border-radius:8px}.rank-row:first-child,.rank-row:nth-child(2),.rank-row:nth-child(3){border-left:4px solid var(--orange)}.rank-no{font-size:21px;color:var(--berry);font-weight:850}.rank-title{font-weight:700}.rank-tag{font-size:11px;color:var(--muted)}.rank-score{font-weight:850;color:var(--berry)}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.topic{padding:25px 20px;background:var(--berry-dark);color:#fff;border-radius:10px;min-height:155px;display:flex;flex-direction:column;justify-content:space-between}.topic:nth-child(even){background:#393139}.topic small{color:var(--lime);font-weight:700}.topic h3{margin:8px 0 0;font-size:20px}.news-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}.news{display:flex;gap:15px;padding:17px 0;border-top:1px solid var(--line)}.news img{width:112px;height:76px;object-fit:cover;border-radius:7px}.news h3{font-size:16px;line-height:1.4;margin:2px 0 6px}.news small{color:var(--muted)}.faq-list{max-width:850px}.faq-item{border-top:1px solid var(--line)}.faq-q{width:100%;background:transparent;text-align:left;padding:19px 0;font-weight:750;font-size:17px;display:flex;justify-content:space-between}.faq-q span{color:var(--berry);font-size:22px}.faq-a{display:none;color:var(--muted);padding:0 35px 20px 0;font-size:14px}.faq-item.open .faq-a{display:block}.assurance{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.assure{border:1px solid var(--line);padding:20px;background:white;border-radius:9px}.assure b{display:block;color:var(--berry);margin-bottom:7px}.assure p{font-size:13px;color:var(--muted);margin:0}.final-cta{background:var(--lime);padding:58px 0}.final-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.final-inner h2{font-size:32px;margin:0 0 6px}.final-inner p{margin:0;color:#4f572c}.footer{background:#201a1e;color:#d9ced1;padding:42px 0 105px}.footer-top{display:flex;justify-content:space-between;gap:30px}.footer .brand{color:#fff}.footer-links{display:flex;gap:22px;flex-wrap:wrap;font-size:14px}.footer a:hover{color:var(--lime)}.copyright{border-top:1px solid #40363b;margin-top:30px;padding-top:20px;color:#998b90;font-size:12px}.fixed-cta{position:fixed;z-index:30;bottom:0;left:0;right:0;background:rgba(32,26,30,.96);color:white;padding:10px 0;box-shadow:0 -5px 20px rgba(0,0,0,.15)}.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:15px}.fixed-inner small{color:#d6c9cd}.close-fixed{background:transparent;color:#cdbfc4;font-size:22px}.hidden{display:none}
@media(max-width:1100px){.nav-links{gap:14px}.nav-links a{font-size:13px}.poster-grid{grid-template-columns:repeat(3,1fr)}.scene-strip{grid-template-columns:repeat(3,1fr)}.scene{min-height:190px}.topic-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:800px){.container{width:min(var(--max),calc(100% - 28px))}.site-header,.nav-wrap{height:68px}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:8px 20px 20px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}.nav-links.open{display:flex}.nav-links a{padding:12px 0;border-bottom:1px solid var(--line)}.nav-links a:after{display:none}.nav-cta{display:none}.menu-toggle{display:block}.hero{min-height:610px}.hero-inner{padding:65px 0 45px}.hero-lead{font-size:17px}.section{padding:58px 0}.section-head{display:block}.section-head h2{font-size:27px}.section-head p{font-size:14px}.benefits{grid-template-columns:1fr}.benefit{border-right:0;border-bottom:1px solid var(--line)}.poster-grid{grid-template-columns:repeat(2,1fr);gap:14px}.popular-layout,.proof-grid{grid-template-columns:1fr}.proof-grid{gap:25px}.channel-grid{grid-template-columns:1fr 1fr}.ranking{grid-template-columns:1fr}.news-list{grid-template-columns:1fr}.assurance{grid-template-columns:1fr 1fr}.final-inner{display:block}.final-inner .btn{margin-top:20px}}
@media(max-width:520px){.brand-text{font-size:13px}.hero h1{font-size:38px}.hero-actions .btn{width:100%}.hero-meta{margin-top:30px}.scene-strip{display:flex;overflow:auto;margin-right:-14px;padding-right:14px}.scene{min-width:230px}.channel-grid,.topic-grid,.assurance{grid-template-columns:1fr}.rank-row{grid-template-columns:34px 1fr 42px}.rank-tag{display:none}.news img{width:90px;height:68px}.footer-top{display:block}.footer-links{margin-top:20px}.fixed-inner small{font-size:11px}.fixed-inner .btn{padding:9px 12px;font-size:13px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}