/* roulang page: index */
:root{
      --ink:#17202a;
      --muted:#6d7782;
      --soft:#f5f7f9;
      --paper:#ffffff;
      --line:#e4e8ec;
      --accent:#ef5b45;
      --accent-dark:#c94130;
      --lime:#c8f04a;
      --navy:#17232d;
      --gold:#f5b942;
      --radius:18px;
      --shadow:0 14px 38px rgba(20,31,42,.09);
      --shadow-lg:0 22px 60px rgba(20,31,42,.15);
      --max:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
    img{display:block;width:100%;height:auto}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(239,91,69,.35);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:3px;background:var(--accent);border-radius:2px}
    .section{padding:92px 0}
    .section-alt{background:var(--soft)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head h2{font-size:clamp(26px,3vw,40px);line-height:1.22;letter-spacing:-.02em;margin-top:12px}
    .section-head p{max-width:540px;color:var(--muted);font-size:15px}
    .more-link{color:var(--accent);font-weight:700;white-space:nowrap}
    .more-link:after{content:" →";transition:transform .2s}
    .more-link:hover:after{display:inline-block;transform:translateX(4px)}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(228,232,236,.85)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:max-content;font-weight:900;font-size:17px}
    .brand-mark{width:34px;height:34px;background:var(--accent);color:#fff;display:grid;place-items:center;border-radius:10px;font-size:18px;box-shadow:5px 5px 0 var(--lime)}
    .nav-list{display:flex;align-items:center;gap:5px;list-style:none}
    .nav-list a{display:block;padding:10px 15px;color:#59636d;font-size:14px;border-radius:10px;transition:.2s}
    .nav-list a:hover,.nav-list a.active{color:var(--ink);background:#f1f3f5}
    .nav-action{background:var(--ink)!important;color:#fff!important;padding:11px 18px!important}
    .nav-action:hover{background:var(--accent)!important}
    .menu-toggle{display:none;background:transparent;font-size:25px;color:var(--ink)}
    .hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;min-height:620px;display:flex;align-items:center}
    .hero:after{content:"";position:absolute;right:-12%;top:-28%;width:70%;height:145%;background:var(--accent);transform:skewX(-16deg);opacity:.96}
    .hero:before{content:"";position:absolute;right:8%;bottom:0;width:35%;height:75%;background:url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=1000&q=85") center/cover;mix-blend-mode:multiply;opacity:.72;z-index:1}
    .hero-content{position:relative;z-index:2;width:min(650px,100%);padding:92px 0}
    .hero .eyebrow{color:var(--lime)}
    .hero .eyebrow:before{background:var(--lime)}
    .hero h1{font-size:clamp(38px,6vw,76px);line-height:1.05;letter-spacing:-.045em;margin:23px 0 22px;max-width:620px}
    .hero h1 span{color:var(--lime)}
    .hero-lead{font-size:18px;line-height:1.85;color:rgba(255,255,255,.88);max-width:610px;margin-bottom:31px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 21px;border-radius:11px;font-weight:800;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(0,0,0,.14)}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#d8fb70}
    .btn-light{background:#fff;color:var(--ink)}
    .btn-outline{border:1px solid rgba(255,255,255,.35);color:#fff;background:transparent}
    .btn-outline:hover{background:rgba(255,255,255,.1)}
    .hero-note{display:flex;gap:20px;margin-top:40px;color:rgba(255,255,255,.65);font-size:13px}
    .hero-note strong{display:block;color:#fff;font-size:21px;line-height:1.2}
    .kpi-band{background:#fff;border-bottom:1px solid var(--line)}
    .kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .kpi{padding:32px 28px;border-right:1px solid var(--line)}
    .kpi:first-child{padding-left:0}
    .kpi:last-child{border:0}
    .kpi strong{font-size:32px;line-height:1;color:var(--accent);display:block;margin-bottom:8px}
    .kpi span{color:var(--muted);font-size:13px}
    .matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .matrix-item{padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
    .matrix-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f3b4aa}
    .matrix-icon{width:42px;height:42px;border-radius:12px;background:#fff1ed;color:var(--accent);display:grid;place-items:center;font-size:20px;margin-bottom:20px}
    .matrix-item h3{font-size:18px;margin-bottom:8px}
    .matrix-item p{font-size:13px;color:var(--muted);line-height:1.8}
    .result-band{background:var(--navy);color:#fff;position:relative;overflow:hidden}
    .result-band:before{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(200,240,74,.4);border-radius:50%;right:8%;top:-110px}
    .result-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
    .result-band .section-head{display:block;margin-bottom:0}
    .result-band .section-head p{color:#aeb8c0;margin-top:20px}
    .compare{display:grid;gap:14px}
    .compare-row{display:grid;grid-template-columns:1fr 110px 110px;align-items:center;gap:16px;padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.12)}
    .compare-row:first-child{border-bottom:2px solid rgba(255,255,255,.25);color:var(--lime);font-size:13px;font-weight:700}
    .compare-row strong{font-size:15px}
    .compare-row span{color:#b7c0c8;text-align:right;font-size:13px ;}.compare-row span:last-child{color:var(--lime);font-weight:800}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}.timeline:before{content:"";position:absolute;left:8%;right:8%;top:20px;border-top:1px dashed #cbd2d8}.milestone{position:relative}.milestone-dot{width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:900;position:relative;margin-bottom:20px;border:5px solid #fff;box-shadow:0 0 0 1px var(--line)}.milestone h3{font-size:17px;margin-bottom:8px}.milestone p{font-size:13px;color:var(--muted); line-height:1.8}
    .release-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
    .content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:#dfe4e8}
    .cover img{height:100%;object-fit:cover;transition:transform .4s}
    .content-card:hover .cover img{transform:scale(1.05)}
    .badge{position:absolute;left:12px;top:12px;padding:4px 8px;border-radius:6px;background:var(--lime);color:var(--ink);font-size:11px;font-weight:900}
    .badge.blue{background:#d9ebff;color:#22619b}
    .badge.orange{background:#ffe1b3;color:#9c5d00}
    .card-body{padding:17px 17px 18px}
    .card-body h3{font-size:16px;line-height:1.4;margin-bottom:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .meta{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
    .rating{color:#d68c00;font-weight:800}
    .rating:before{content:"★";margin-right:4px}
    .popular-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .popular-card{position:relative;min-height:310px;border-radius:var(--radius);overflow:hidden;background:#1d2831;color:#fff}
    .popular-card img{height:100%;object-fit:cover;opacity:.78;transition:.35s}
    .popular-card:hover img{transform:scale(1.06);opacity:.9}
    .popular-card:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(8,14,20,.92))}
    .popular-copy{position:absolute;z-index:1;left:22px;right:22px;bottom:20px}
    .popular-copy h3{font-size:20px;margin-bottom:5px}
    .popular-copy p{font-size:13px;color:#dbe1e5;line-height:1.6}
    .category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
    .category{padding:24px 20px;border-top:3px solid var(--accent);background:#fff;border-radius:0 0 14px 14px;box-shadow:0 8px 25px rgba(20,31,42,.05)}
    .category:nth-child(2){border-color:#57a7d9}.category:nth-child(3){border-color:#a275d4}.category:nth-child(4){border-color:#55b38a}.category:nth-child(5){border-color:#e0ae42}
    .category h3{font-size:17px;margin-bottom:7px}.category p{font-size:13px;color:var(--muted);line-height:1.75}
    .rank-layout{display:grid;grid-template-columns:1fr .72fr;gap:55px;align-items:start}
    .rank-list{list-style:none;border-top:1px solid var(--line)}
    .rank-list li{display:grid;grid-template-columns:42px 1fr 90px 48px;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
    .rank-no{font-size:20px;font-weight:900;color:#b9c0c6}.rank-list li:nth-child(-n+3) .rank-no{color:var(--accent)}
    .rank-name{font-weight:700}.rank-tag{font-size:11px;color:var(--accent);background:#fff0ed;padding:3px 7px;border-radius:5px;width:max-content;margin-top:3px}
    .hotness{font-size:12px;color:var(--muted);text-align:right}.rank-score{text-align:right;font-weight:900;color:#d58b00}
    .quote-panel{background:var(--lime);padding:34px;border-radius:var(--radius);min-height:270px;display:flex;flex-direction:column;justify-content:space-between}
    .quote-panel blockquote{font-size:23px;line-height:1.5;font-weight:800}.quote-panel small{font-size:13px;color:#4f5b2b}
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .news-item{display:grid;grid-template-columns:112px 1fr;gap:16px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.2s}
    .news-item:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
    .news-thumb{height:90px;border-radius:9px;overflow:hidden}.news-thumb img{height:100%;object-fit:cover}
    .news-item h3{font-size:15px;line-height:1.5;margin:4px 0 8px}.news-date{font-size:12px;color:var(--muted)}
    .assurance{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .assure{display:flex;gap:16px;align-items:flex-start;padding:24px 0;border-bottom:1px solid var(--line)}
    .assure-icon{flex:0 0 42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:var(--lime);font-weight:900}
    .assure h3{font-size:17px;margin-bottom:6px}.assure p{font-size:13px;color:var(--muted);line-height:1.75}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
    .faq-item summary{padding:18px 20px;font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:15px}
    .faq-item summary:after{content:"+";color:var(--accent);font-size:21px;line-height:1}.faq-item[open] summary:after{content:"−"}
    .faq-item p{padding:0 20px 19px;color:var(--muted);font-size:14px;line-height:1.85}
    .final-cta{background:var(--accent);color:#fff;position:relative;overflow:hidden}
    .final-cta:after{content:"3344";position:absolute;right:5%;bottom:-60px;font-size:190px;font-weight:900;color:rgba(255,255,255,.09);line-height:1}
    .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-inner h2{font-size:clamp(27px,4vw,46px);line-height:1.2;margin:12px 0}.cta-inner p{color:rgba(255,255,255,.84);max-width:650px}
    .site-footer{background:#131d25;color:#aeb8c0;padding:62px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:45px;padding-bottom:45px}
    .footer-brand{color:#fff;font-size:18px;font-weight:900;margin-bottom:15px}.footer-brand span{color:var(--accent)}
    .footer-col h3{color:#fff;font-size:14px;margin-bottom:17px}.footer-col a{display:block;font-size:13px;margin:9px 0;color:#aeb8c0;transition:.2s}.footer-col a:hover{color:var(--lime)}
    .footer-desc{font-size:13px;line-height:1.9;max-width:290px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px}
    @media(max-width:1024px){.hero:after{right:-25%;width:80%}.release-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(3,1fr)}.matrix{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 34px))}.nav-wrap{height:68px}.menu-toggle{display:block}.nav-list{display:none;position:absolute;left:17px;right:17px;top:76px;flex-direction:column;align-items:stretch;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.nav-list.open{display:flex}.nav-list a{padding:13px 15px}.nav-action{text-align:center}.hero{min-height:590px}.hero:after{right:-62%;width:125%;opacity:.82}.hero:before{right:-18%;width:75%;opacity:.3}.hero-content{padding:75px 0 90px}.hero h1{font-size:clamp(40px,11vw,62px)}.hero-lead{font-size:16px}.kpi-grid{grid-template-columns:repeat(2,1fr)}.kpi{padding:24px 18px;border-bottom:1px solid var(--line)}.kpi:first-child{padding-left:18px}.result-grid,.rank-layout{grid-template-columns:1fr;gap:36px}.result-grid{padding-top:0}.timeline{grid-template-columns:repeat(2,1fr);gap:28px}.timeline:before{display:none}.release-grid{grid-template-columns:repeat(2,1fr)}.popular-grid{grid-template-columns:repeat(2,1fr)}.news-grid{grid-template-columns:1fr 1fr}.assurance{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:30px}.footer-grid .footer-col:last-child{grid-column:2}.cta-inner{align-items:flex-start;flex-direction:column}}
    @media(max-width:520px){.section{padding:64px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:14px}.more-link{display:inline-block;margin-top:14px}.hero-actions .btn{width:100%}.hero-note{gap:15px;flex-wrap:wrap}.matrix,.release-grid,.popular-grid,.category-grid,.news-grid,.faq-grid{grid-template-columns:1fr}.popular-card{min-height:290px}.rank-list li{grid-template-columns:30px 1fr 42px;gap:10px}.hotness{display:none}.rank-score{font-size:13px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid .footer-col:last-child{grid-column:auto}.footer-bottom{display:block;line-height:1.8}.footer-bottom span{display:block;margin-top:7px}}