/* roulang page: index */
:root{
      --paper:#f5f1e8;
      --paper-deep:#ebe4d6;
      --cream:#fffdf8;
      --ink:#252321;
      --muted:#716d66;
      --line:#d8d0c3;
      --red:#b83731;
      --red-dark:#8f2825;
      --amber:#db941f;
      --yellow:#f2c44b;
      --charcoal:#20201f;
      --charcoal-soft:#30302d;
      --green:#55755e;
      --shadow:0 15px 35px rgba(50,42,30,.10);
      --shadow-lg:0 24px 60px rgba(29,24,20,.18);
      --radius:14px;
      --radius-sm:9px;
      --container:1200px;
      --ease:all .26s cubic-bezier(.2,.7,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      background:var(--paper);
      color:var(--ink);
      font-size:16px;
      line-height:1.75;
      overflow-x:hidden;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    ::selection{background:rgba(184,55,49,.18);color:var(--red-dark)}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(245,241,232,.92);
      border-bottom:1px solid rgba(216,208,195,.85);
      backdrop-filter:blur(12px);
    }
    .topbar{
      min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;
    }
    .brand{display:inline-flex;align-items:center;gap:11px;font-size:21px;font-weight:850;letter-spacing:-.05em}
    .brand-mark{
      position:relative;width:31px;height:31px;background:var(--red);border-radius:7px;overflow:hidden;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.2);
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;top:0;width:6px;height:100%;
      background:repeating-linear-gradient(to bottom,#f6d57e 0 4px,transparent 4px 8px);
      opacity:.9;
    }
    .brand-mark:before{left:4px}.brand-mark:after{right:4px}
    .brand-mark i{
      position:absolute;left:11px;top:9px;width:0;height:0;
      border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid #fff7e8;
    }
    .header-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      width:48px;height:48px;border:1px solid var(--line);border-radius:50%;background:var(--cream);
      display:grid;place-items:center;transition:var(--ease);position:relative;z-index:61;
    }
    .menu-toggle:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
    .menu-toggle:focus-visible,.btn:focus-visible,.faq-question:focus-visible,input:focus-visible,.drawer a:focus-visible{
      outline:3px solid rgba(219,148,31,.42);outline-offset:3px
    }
    .hamburger{width:19px;height:14px;position:relative}
    .hamburger span{position:absolute;left:0;width:100%;height:1.8px;background:currentColor;border-radius:4px;transition:var(--ease)}
    .hamburger span:nth-child(1){top:0}.hamburger span:nth-child(2){top:6px}.hamburger span:nth-child(3){top:12px}
    .menu-toggle.is-active .hamburger span:nth-child(1){top:6px;transform:rotate(45deg)}
    .menu-toggle.is-active .hamburger span:nth-child(2){opacity:0}
    .menu-toggle.is-active .hamburger span:nth-child(3){top:6px;transform:rotate(-45deg)}
    .header-cta{padding:10px 17px;font-size:14px}
    .drawer-overlay{
      position:fixed;inset:0;background:rgba(25,24,22,.58);opacity:0;visibility:hidden;z-index:55;transition:var(--ease)
    }
    .drawer-overlay.visible{opacity:1;visibility:visible}
    .drawer{
      position:fixed;z-index:60;right:0;top:0;width:min(500px,92vw);height:100vh;padding:94px 48px 42px;
      background:var(--charcoal);color:#f9f2e7;transform:translateX(102%);transition:transform .42s cubic-bezier(.2,.7,.2,1);
      overflow-y:auto;
    }
    .drawer.open{transform:translateX(0)}
    .drawer-kicker{color:#eab44c;text-transform:uppercase;letter-spacing:.17em;font-size:12px;font-weight:800}
    .drawer-title{font-size:31px;line-height:1.35;margin:9px 0 29px;letter-spacing:-.04em}
    .drawer-nav{border-top:1px solid rgba(255,255,255,.18);border-bottom:1px solid rgba(255,255,255,.18)}
    .drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:20px 0;font-size:22px;font-weight:750;border-bottom:1px solid rgba(255,255,255,.12);transition:var(--ease)}
    .drawer-nav a:last-child{border-bottom:0}
    .drawer-nav a:hover,.drawer-nav a.active{color:#f1c652;padding-left:8px}
    .drawer-nav em{font-size:14px;font-style:normal;opacity:.7}
    .drawer-focus{margin-top:33px;padding:20px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);background:rgba(255,255,255,.06)}
    .drawer-focus small{display:block;color:#efb449;letter-spacing:.12em;font-weight:800}
    .drawer-focus strong{display:block;font-size:19px;line-height:1.5;margin-top:5px}
    .drawer-focus p{font-size:14px;color:#d7d0c7;margin:7px 0 0}
    .btn{
      border:1px solid transparent;border-radius:8px;min-height:46px;padding:11px 18px;
      display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:760;line-height:1.2;
      transition:var(--ease)
    }
    .btn-primary{background:var(--red);color:#fffaf0;box-shadow:0 8px 18px rgba(184,55,49,.20)}
    .btn-primary:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 12px 22px rgba(143,40,37,.25)}
    .btn-dark{background:var(--charcoal);color:#fff9ec}
    .btn-dark:hover{background:#000;transform:translateY(-2px)}
    .btn-light{background:transparent;border-color:var(--line);color:var(--ink)}
    .btn-light:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
    .arrow{font-size:19px;line-height:1;transition:transform .2s}
    .btn:hover .arrow{transform:translateX(4px)}
    main{overflow:hidden}
    .hero{padding:48px 0 40px;position:relative}
    .hero:before{
      content:"";position:absolute;right:-9%;top:10px;width:45%;height:82%;
      background:var(--paper-deep);border-radius:40px 0 0 40px;z-index:-1
    }
    .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:50px;align-items:stretch}
    .hero-copy{padding:26px 0 18px}
    .eyebrow{display:flex;align-items:center;gap:10px;color:var(--red);font-weight:800;font-size:13px;letter-spacing:.08em}
    .eyebrow:before{content:"";display:block;width:30px;height:2px;background:var(--red)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,4.2vw,61px);line-height:1.14;letter-spacing:-.07em;margin:17px 0 20px;max-width:650px}
    .hero-copy p{font-size:17px;max-width:625px;color:#58534d;margin-bottom:25px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:27px 0 30px}
    .hero-note{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}
    .pulse{width:9px;height:9px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px rgba(184,55,49,.13)}
    .compare-stage{display:grid;grid-template-columns:1fr 1fr;gap:13px;min-height:436px}
    .compare-panel{
      position:relative;overflow:hidden;border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;justify-content:flex-end;
      min-height:260px;isolation:isolate;transition:var(--ease)
    }
    .compare-panel:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
    .compare-panel:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(0,0,0,.71),transparent 66%)}
    .before{background:linear-gradient(145deg,#5f5344,#252322 70%)}
    .after{background:linear-gradient(145deg,#ce6738,#7f2030 62%,#282021)}
    .film-grain{position:absolute;inset:0;opacity:.16;pointer-events:none;background-image:radial-gradient(#fff 0.6px,transparent .8px);background-size:4px 4px;mix-blend-mode:overlay}
    .panel-tag{position:absolute;top:15px;left:15px;border:1px solid rgba(255,255,255,.45);padding:3px 9px;border-radius:4px;color:#fff;font-size:11px;font-weight:800;letter-spacing:.08em}
    .panel-date{position:absolute;right:14px;top:13px;color:#f8da80;font-size:12px;font-weight:800}
    .panel-title{color:#fff;font-size:24px;line-height:1.2;font-weight:850;letter-spacing:-.05em;margin:0}
    .panel-meta{color:rgba(255,255,255,.76);font-size:13px;margin:5px 0 0}
    .split-label{
      position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:4;width:54px;height:54px;border-radius:50%;
      display:grid;place-items:center;background:var(--cream);color:var(--red);font-size:11px;font-weight:900;line-height:1.1;text-align:center;
      box-shadow:0 7px 20px rgba(0,0,0,.22)
    }
    .section{padding:78px 0;border-top:1px solid var(--line)}
    .section-dark{background:var(--charcoal);color:#f8f1e5;border-color:var(--charcoal)}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-index{color:var(--red);font-size:12px;letter-spacing:.13em;font-weight:900}
    .section-dark .section-index{color:#f0c650}
    h2{font-size:clamp(27px,3vw,41px);line-height:1.22;letter-spacing:-.055em;margin:5px 0 0}
    .section-intro{max-width:510px;color:var(--muted);font-size:15px;margin:0}
    .section-dark .section-intro{color:#cfc8bd}
    .metrics{padding:30px 0 54px}
    .metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--cream)}
    .metric{padding:22px 25px;border-right:1px solid var(--line);position:relative}
    .metric:last-child{border-right:none}
    .metric:after{content:"";position:absolute;left:25px;right:25px;bottom:0;height:3px;background:var(--amber);transform:scaleX(0);transform-origin:left;transition:var(--ease)}
    .metric:hover:after{transform:scaleX(1)}
    .metric small{color:var(--muted);font-weight:700;font-size:13px}
    .metric strong{display:block;font-size:36px;line-height:1.1;letter-spacing:-.05em;margin:7px 0 3px}
    .metric:nth-child(1) strong,.metric:nth-child(3) strong{color:var(--red)}
    .metric span{font-size:12px;color:var(--muted)}
    .matrix{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}
    .feature-card{position:relative;min-height:410px;padding:34px;overflow:hidden;color:#fff;border-radius:var(--radius);background:#4c2824}
    .feature-card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 16%,rgba(242,196,75,.68),transparent 10%),linear-gradient(135deg,#bd4636,#582227 74%)}
    .feature-card > *{position:relative}
    .serial{font-size:12px;font-weight:900;letter-spacing:.14em;color:#f8d46a}
    .feature-card h3{font-size:36px;line-height:1.15;letter-spacing:-.06em;max-width:380px;margin:56px 0 13px}
    .feature-card p{max-width:400px;color:rgba(255,255,255,.82)}
    .feature-card .btn{position:absolute;bottom:30px;left:34px;background:#fff8ec;color:var(--red)}
    .ticket{
      position:absolute;right:25px;bottom:25px;width:190px;height:254px;padding:16px;background:#f8e5bb;color:#312b26;transform:rotate(7deg);
      box-shadow:12px 14px 0 rgba(24,18,18,.15);clip-path:polygon(0 0,100% 0,100% 7%,96% 9%,100% 11%,100% 100%,0 100%,0 11%,4% 9%,0 7%);
    }
    .ticket b{display:block;font-size:13px;letter-spacing:.14em;color:var(--red)}
    .ticket strong{display:block;font-size:27px;line-height:1.1;margin-top:45px}
    .ticket span{display:block;margin-top:9px;font-size:12px}
    .small-matrix{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .topic-card{padding:23px;min-height:196px;border:1px solid var(--line);border-radius:var(--radius);background:var(--cream);transition:var(--ease)}
    .topic-card:hover{border-color:var(--red);transform:translateY(-4px);box-shadow:var(--shadow)}
    .topic-card .number{color:var(--amber);font-size:12px;font-weight:900;letter-spacing:.12em}
    .topic-card h3{font-size:20px;line-height:1.25;margin:21px 0 8px;letter-spacing:-.04em}
    .topic-card p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
    .comparison{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}
    .compare-info{padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--cream)}
    .compare-info.highlight{background:#f7e9cb;border-color:#dba146}
    .compare-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:25px}
    .compare-top h3{font-size:23px;margin:0}
    .badge{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:5px;font-size:11px;font-weight:850;line-height:1.3}
    .badge-muted{background:#e6e0d7;color:#625e58}.badge-hot{background:var(--red);color:#fff}.badge-amber{background:#f5cf70;color:#5e3e08}.badge-dark{background:#3c3a36;color:#fff}
    .rank-row{display:grid;grid-template-columns:35px 1fr auto;align-items:center;gap:10px;padding:12px 0;border-bottom:1px dashed #d5cabb;font-size:14px}
    .rank-row:last-child{border-bottom:0}
    .rank-num{font-weight:900;color:var(--amber)}
    .bar{height:7px;border-radius:99px;background:#ded5c8;overflow:hidden;margin-top:5px}
    .bar i{display:block;height:100%;background:var(--red);border-radius:inherit}
    .rank-row strong{font-size:14px}
    .timeline-wrap{position:relative;padding-top:22px}
    .timeline-line{position:absolute;left:6%;right:6%;top:49px;height:2px;background:repeating-linear-gradient(to right,#665f57 0 7px,transparent 7px 13px);opacity:.65}
    .timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:17px;position:relative}
    .time-node{position:relative;padding-top:48px}
    .time-dot{position:absolute;top:19px;left:0;width:21px;height:21px;border:5px solid var(--charcoal);border-radius:50%;background:#aaa296}
    .time-node.active .time-dot{background:var(--red);box-shadow:0 0 0 5px rgba(184,55,49,.22)}
    .time-node small{display:block;color:#f0c650;font-size:12px;font-weight:850;letter-spacing:.06em}
    .time-node h3{font-size:18px;margin:8px 0 5px}
    .time-node p{margin:0;font-size:13px;color:#cbc4b9;line-height:1.6}
    .hot-list{display:grid;grid-template-columns:1.15fr .85fr;gap:25px}
    .hot-feature{position:relative;min-height:425px;padding:32px;border-radius:var(--radius);overflow:hidden;background:#56312f;color:#fff}
    .hot-feature:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(19,16,15,.88),rgba(19,16,15,.12)),linear-gradient(135deg,#75312c,#d26b3f)}
    .hot-feature>*{position:relative}
    .hot-feature h3{font-size:35px;line-height:1.15;margin:150px 0 8px;letter-spacing:-.055em}
    .hot-feature p{color:#e4d9ce;max-width:520px;margin-bottom:18px}
    .hot-items{border-top:1px solid var(--line)}
    .hot-item{display:grid;grid-template-columns:48px 1fr auto;gap:14px;padding:17px 0;border-bottom:1px solid var(--line);align-items:center}
    .hot-item .num{font-size:24px;font-weight:900;color:var(--red);letter-spacing:-.05em}
    .hot-item h3{font-size:18px;margin:0 0 3px;line-height:1.3}
    .hot-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.6}
    .hot-item a{font-size:14px;color:var(--red);font-weight:800;white-space:nowrap}
    .news-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:30px}
    .lead-news{border-bottom:1px solid var(--line);padding-bottom:22px}
    .news-art{height:245px;border-radius:var(--radius);background:linear-gradient(135deg,#312d2b,#9e3e32 60%,#e0a044);position:relative;overflow:hidden}
    .news-art:after{content:"";position:absolute;right:13%;top:-20%;width:45%;height:140%;border:17px solid rgba(255,255,255,.2);border-radius:50%;transform:rotate(25deg)}
    .lead-news h3{font-size:28px;line-height:1.3;letter-spacing:-.045em;margin:20px 0 9px}
    .lead-news p{color:var(--muted);font-size:14px;margin-bottom:13px}
    .news-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12px}
    .news-list{display:flex;flex-direction:column}
    .news-row{display:grid;grid-template-columns:95px 1fr;gap:17px;padding:0 0 18px;margin-bottom:18px;border-bottom:1px solid var(--line)}
    .news-row:last-child{margin-bottom:0}
    .news-thumb{height:76px;border-radius:8px;background:#444;position:relative;overflow:hidden}
    .news-thumb.one{background:linear-gradient(135deg,#df8f32,#642f25)}.news-thumb.two{background:linear-gradient(135deg,#2f4e54,#bd5550)}.news-thumb.three{background:linear-gradient(135deg,#7e4e43,#e3c35c)}
    .news-row h3{font-size:17px;line-height:1.38;margin:5px 0 3px;letter-spacing:-.03em}
    .news-row p{font-size:12px;color:var(--muted);line-height:1.55;margin:0}
    .assurance{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.22);border-bottom:1px solid rgba(255,255,255,.22)}
    .assure{padding:25px 24px;border-right:1px solid rgba(255,255,255,.17)}
    .assure:last-child{border-right:0}
    .assure-icon{width:35px;height:35px;border:1px solid #e3b846;color:#e9c252;display:grid;place-items:center;margin-bottom:16px;font-size:18px}
    .assure h3{font-size:17px;margin:0 0 7px}.assure p{margin:0;color:#c7c0b6;font-size:13px;line-height:1.65}
    .quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .quick-item{padding:23px 25px;border-left:3px solid var(--amber);background:var(--cream);box-shadow:0 5px 14px rgba(50,42,30,.04)}
    .quick-item h3{font-size:18px;line-height:1.35;margin:0 0 8px}.quick-item p{font-size:14px;color:var(--muted);line-height:1.72;margin:0}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:transparent;padding:20px 4px;display:flex;align-items:center;justify-content:space-between;text-align:left;color:var(--ink);font-weight:800;font-size:17px;gap:20px}
    .faq-question span:last-child{font-size:25px;font-weight:400;color:var(--red);transition:transform .25s}
    .faq-item.active .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s ease}
    .faq-answer>div{overflow:hidden}
    .faq-answer p{padding:0 45px 0 4px;color:var(--muted);font-size:14px;margin:0}
    .faq-item.active .faq-answer{grid-template-rows:1fr}
    .faq-item.active .faq-answer p{padding-bottom:21px}
    .subscribe{padding:70px 0;background:#b53a31;color:#fff8ed;position:relative;overflow:hidden}
    .subscribe:after{content:"";position:absolute;width:390px;height:390px;right:-105px;top:-170px;border:35px solid rgba(250,205,98,.25);border-radius:50%}
    .subscribe-wrap{position:relative;z-index:1;display:grid;grid-template-columns:1fr .9fr;gap:45px;align-items:center}
    .subscribe h2{font-size:40px;max-width:560px}.subscribe p{color:#f6dbcf;max-width:570px;margin-bottom:0}
    .form-box{padding:10px 0}
    .form-row{display:flex;gap:10px}
    .form-row input{width:100%;min-width:0;border:1px solid rgba(255,255,255,.28);background:#fff9ed;color:var(--ink);border-radius:8px;padding:13px 15px;outline:none;transition:var(--ease)}
    .form-row input:focus{border-color:var(--yellow);box-shadow:0 0 0 3px rgba(242,196,75,.28)}
    .form-row input[aria-invalid="true"]{border-color:#7d1716;background:#fff0eb}
    .form-row button{white-space:nowrap;background:var(--charcoal);color:#fff}
    .form-row button:hover{background:#111}
    .form-message{min-height:25px;margin:9px 0 0;font-size:13px;color:#ffe7d8}
    .form-message.success{color:#fff2a7}.form-message.error{color:#ffe1d8}
    .privacy-note{font-size:12px;color:#f5d5c9;margin:7px 0 0}
    footer{background:#1e1e1d;color:#d4cdc2;padding:38px 0 28px}
    .footer-main{display:flex;align-items:flex-start;justify-content:space-between;gap:26px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.14)}
    footer .brand{color:#fff8eb}.footer-copy{font-size:13px;max-width:440px;margin:9px 0 0;color:#bcb4a9}
    .footer-links{display:flex;gap:20px;font-size:14px;font-weight:700}
    .footer-links a:hover{color:#f2c54e}
    .footer-bottom{padding-top:18px;display:flex;justify-content:space-between;gap:16px;font-size:12px;color:#948e86}
    @media(max-width:1024px){
      .hero-grid,.hot-list,.news-layout,.subscribe-wrap{grid-template-columns:1fr;gap:30px}
      .hero:before{width:60%;height:70%}.compare-stage{max-width:680px}.matrix{grid-template-columns:1fr}.feature-card{min-height:370px}
      .section{padding:62px 0}.ticket{right:40px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .topbar{min-height:67px}.header-cta{display:none}.drawer{width:100%;padding:85px 28px 34px}
      .hero{padding-top:28px}.hero-copy{padding-top:6px}.hero-copy p{font-size:15px}.compare-stage{min-height:360px}.compare-panel{min-height:215px}.panel-title{font-size:20px}
      .metrics{padding:20px 0 42px}.metrics-grid{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .metric{padding:18px}.metric strong{font-size:30px}.section-heading{display:block;margin-bottom:24px}.section-intro{margin-top:13px}
      .small-matrix,.comparison{grid-template-columns:1fr}.feature-card h3{font-size:31px;margin-top:40px}.timeline{grid-template-columns:1fr;gap:0}.timeline-line{left:10px;top:36px;bottom:30px;right:auto;width:2px;height:auto;background:repeating-linear-gradient(to bottom,#665f57 0 7px,transparent 7px 13px)}
      .time-node{padding:0 0 27px 43px}.time-dot{left:0;top:5px}.time-node:last-child{padding-bottom:0}
      .assurance{grid-template-columns:1fr 1fr}.assure:nth-child(2){border-right:0}.assure:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.17)}
    }
    @media(max-width:576px){
      body{font-size:15px}.brand{font-size:19px}.hero-grid{gap:23px}h1{font-size:37px}.hero-actions{margin:22px 0}.hero-actions .btn{width:100%}
      .compare-stage{gap:8px;min-height:300px}.compare-panel{min-height:210px;padding:12px}.panel-tag{left:10px;top:10px;font-size:10px}.panel-date{display:none}.panel-title{font-size:17px}.panel-meta{font-size:11px}.split-label{width:44px;height:44px;font-size:9px}
      .metric{padding:16px}.metric strong{font-size:27px}.matrix{gap:13px}.feature-card{min-height:360px;padding:25px}.feature-card h3{font-size:28px;max-width:270px}.feature-card .btn{left:25px;bottom:23px}.ticket{width:135px;height:175px;right:17px;bottom:27px;padding:12px}.ticket strong{font-size:19px;margin-top:26px}.ticket span{font-size:10px}
      .small-matrix{gap:12px}.topic-card{padding:17px;min-height:165px}.topic-card h3{font-size:17px;margin-top:15px}.topic-card p{font-size:12px}
      .compare-info{padding:23px}.hot-feature{min-height:355px;padding:25px}.hot-feature h3{font-size:28px;margin-top:122px}.hot-item{grid-template-columns:34px 1fr}.hot-item a{display:none}
      .news-row{grid-template-columns:78px 1fr;gap:13px}.news-thumb{height:67px}.lead-news h3{font-size:23px}.news-art{height:190px}.assurance{grid-template-columns:1fr}.assure,.assure:nth-child(2){border-right:0;border-bottom:1px solid rgba(255,255,255,.17)}.assure:last-child{border-bottom:0}
      .quick-grid{grid-template-columns:1fr}.quick-item{padding:20px}.faq-question{font-size:16px;padding:18px 2px}.faq-answer p{padding-right:5px}
      .subscribe{padding:53px 0}.subscribe h2{font-size:31px}.form-row{flex-direction:column}.form-row .btn{width:100%}.footer-main,.footer-bottom{display:block}.footer-links{margin-top:22px}.footer-bottom p{margin:6px 0}
    }
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* roulang page: category1 */
:root{
 --paper:#f5f1e8;
 --paper-deep:#ebe4d6;
 --cream:#fffdf8;
 --ink:#252321;
 --muted:#716d66;
 --line:#d8d0c3;
 --red:#b83731;
 --red-dark:#8f2825;
 --amber:#db941f;
 --yellow:#f2c44b;
 --charcoal:#20201f;
 --charcoal-soft:#30302d;
 --green:#55755e;
 --shadow:0 15px 35px rgba(50,42,30,.10);
 --shadow-lg:0 24px 60px rgba(29,24,20,.18);
 --radius:14px;
 --radius-sm:9px;
 --container:1200px;
 --ease:all .26s cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--paper);color:var(--ink);
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
 font-size:16px;line-height:1.75;overflow-x:hidden
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(245,241,232,.94);border-bottom:1px solid rgba(216,208,195,.85);backdrop-filter:blur(12px)}
.topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:21px;font-weight:850;letter-spacing:-.05em}
.brand-mark{position:relative;width:31px;height:31px;background:var(--red);border-radius:7px;overflow:hidden;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;top:0;width:6px;height:100%;background:repeating-linear-gradient(to bottom,#f6d57e 0 4px,transparent 4px 8px);opacity:.9}
.brand-mark:before{left:4px}.brand-mark:after{right:4px}
.brand-mark i{position:absolute;left:11px;top:9px;width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid #fff7e8}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{width:48px;height:48px;border:1px solid var(--line);border-radius:50%;background:var(--cream);display:grid;place-items:center;transition:var(--ease);position:relative;z-index:61}
.menu-toggle:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
.menu-toggle:focus-visible,.btn:focus-visible,.faq-question:focus-visible,input:focus-visible,.drawer a:focus-visible{outline:3px solid rgba(219,148,31,.42);outline-offset:3px}
.hamburger{width:19px;height:14px;position:relative}
.hamburger span{position:absolute;left:0;width:100%;height:1.8px;background:currentColor;border-radius:4px;transition:var(--ease)}
.hamburger span:nth-child(1){top:0}.hamburger span:nth-child(2){top:6px}.hamburger span:nth-child(3){top:12px}
.menu-toggle.is-active .hamburger span:nth-child(1){top:6px;transform:rotate(45deg)}
.menu-toggle.is-active .hamburger span:nth-child(2){opacity:0}
.menu-toggle.is-active .hamburger span:nth-child(3){top:6px;transform:rotate(-45deg)}
.header-cta{padding:10px 17px;font-size:14px}
.drawer-overlay{position:fixed;inset:0;background:rgba(25,24,22,.58);opacity:0;visibility:hidden;z-index:55;transition:var(--ease)}
.drawer-overlay.visible{opacity:1;visibility:visible}
.drawer{position:fixed;z-index:60;right:0;top:0;width:min(500px,92vw);height:100vh;padding:94px 48px 42px;background:var(--charcoal);color:#f9f2e7;transform:translateX(102%);transition:transform .42s cubic-bezier(.2,.7,.2,1);overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-kicker{color:#eab44c;letter-spacing:.17em;font-size:12px;font-weight:800}
.drawer-title{font-size:31px;line-height:1.35;margin:9px 0 29px;letter-spacing:-.04em}
.drawer-nav{border-top:1px solid rgba(255,255,255,.18);border-bottom:1px solid rgba(255,255,255,.18)}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:20px 0;font-size:22px;font-weight:750;border-bottom:1px solid rgba(255,255,255,.12);transition:var(--ease)}
.drawer-nav a:last-child{border-bottom:0}
.drawer-nav a:hover,.drawer-nav a.active{color:#f1c652;padding-left:8px}
.drawer-nav em{font-size:14px;font-style:normal;opacity:.7}
.drawer-focus{margin-top:33px;padding:20px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);background:rgba(255,255,255,.06)}
.drawer-focus small{display:block;color:#efb449;letter-spacing:.12em;font-weight:800}
.drawer-focus strong{display:block;font-size:19px;line-height:1.5;margin-top:5px}
.drawer-focus p{font-size:14px;color:#d7d0c7;margin:7px 0 0}
.btn{border:1px solid transparent;border-radius:8px;min-height:46px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:760;line-height:1.2;transition:var(--ease)}
.btn-primary{background:var(--red);color:#fffaf0;box-shadow:0 8px 18px rgba(184,55,49,.2)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn-dark{background:var(--charcoal);color:#fff9ec}.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-light{background:transparent;border-color:var(--line);color:var(--ink)}.btn-light:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
.arrow{font-size:19px;line-height:1;transition:transform .2s}.btn:hover .arrow{transform:translateX(4px)}
main{overflow:hidden}
.hero{padding:70px 0 54px;background:var(--charcoal);color:#fff9ed;position:relative}
.hero:after{content:"";position:absolute;right:-100px;bottom:-130px;width:460px;height:460px;border:1px solid rgba(242,196,75,.25);border-radius:50%}
.hero-grid{display:grid;grid-template-columns:1fr .86fr;gap:70px;align-items:center}
.eyebrow{display:flex;align-items:center;gap:10px;color:#efb449;font-size:13px;font-weight:800;letter-spacing:.1em}
.eyebrow:before{content:"";width:30px;height:2px;background:var(--red)}
h1{font-size:clamp(40px,5vw,68px);line-height:1.12;letter-spacing:-.06em;margin:18px 0 20px}
.hero-copy p{max-width:620px;color:#d8d1c7;font-size:17px;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero .btn-light{border-color:rgba(255,255,255,.3);color:#fff9ed}
.hero .btn-light:hover{border-color:var(--yellow);color:var(--yellow)}
.poster-wall{display:grid;grid-template-columns:1.05fr .85fr;gap:14px;align-items:end;position:relative}
.poster{position:relative;min-height:300px;border-radius:10px;overflow:hidden;padding:20px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;background:#73402d;box-shadow:var(--shadow-lg)}
.poster:before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,transparent 25%,rgba(16,12,10,.8))}
.poster>*{position:relative;z-index:1}
.poster-large{height:420px;background:linear-gradient(145deg,#a64b35,#241d25 68%,#d58d30)}
.poster-small{height:265px;background:linear-gradient(145deg,#d2a33c,#5c2f2d 64%,#262426)}
.poster-tag{align-self:flex-start;font-size:12px;border:1px solid rgba(255,255,255,.55);padding:3px 8px;border-radius:4px;margin-bottom:auto}
.poster h2{font-size:25px;line-height:1.2;margin:0 0 5px}.poster p{font-size:13px;margin:0;color:#f3e9d6}
.poster-index{position:absolute;right:16px;top:16px;font-size:12px;letter-spacing:.15em;color:#f6d57e}
.section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
.section-kicker{color:var(--red);font-size:12px;font-weight:850;letter-spacing:.15em}
h2{font-size:clamp(28px,3.2vw,43px);line-height:1.2;letter-spacing:-.05em;margin:8px 0 0}
.section-intro{max-width:530px;color:var(--muted);margin:0}
.feature-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.feature-card,.mini-card,.info-card,.faq-list{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.feature-card{padding:34px;min-height:315px;position:relative;overflow:hidden}
.feature-card:after{content:"01";position:absolute;right:28px;top:19px;color:var(--paper-deep);font-size:70px;font-weight:900}
.feature-card h3{font-size:30px;max-width:470px;margin:20px 0 10px;position:relative}
.feature-card p{color:var(--muted);max-width:540px}.mini-stack{display:grid;gap:18px}.mini-card{padding:24px;transition:var(--ease)}.mini-card:hover{transform:translateX(5px);border-color:var(--red)}
.mini-card strong{font-size:20px}.mini-card p{color:var(--muted);font-size:14px;margin:5px 0 0}
.badge{display:inline-flex;align-items:center;padding:4px 9px;border:1px solid var(--line);border-radius:5px;color:var(--red);font-size:12px;font-weight:800}
.comparison{background:var(--paper-deep);padding:35px;border-radius:var(--radius);display:grid;grid-template-columns:1fr 1fr;gap:40px}
.compare-column{padding:10px 0}.compare-column+ .compare-column{border-left:1px solid var(--line);padding-left:40px}
.compare-title{display:flex;justify-content:space-between;font-weight:800;margin-bottom:14px}.compare-title span{color:var(--red)}
.bar{height:9px;background:#d5cbbb;border-radius:10px;overflow:hidden;margin:10px 0 21px}.bar i{display:block;height:100%;background:var(--red);border-radius:inherit}.bar.amber i{background:var(--amber)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);padding-top:28px}
.step{position:relative;padding:0 23px 0 0}.step:not(:last-child):after{content:"";position:absolute;top:8px;right:17px;width:calc(100% - 35px);border-top:1px dashed #b7ad9e}
.step-dot{width:16px;height:16px;border-radius:50%;background:var(--paper);border:4px solid var(--amber);position:relative;z-index:1;margin-bottom:18px}.step.current .step-dot{border-color:var(--red);background:var(--red)}
.step small{color:var(--muted);font-weight:800}.step h3{font-size:18px;margin:5px 0}.step p{font-size:14px;color:var(--muted);margin:0}
.news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.news-feature{min-height:330px;padding:32px;border-radius:var(--radius);background:var(--red);color:#fff8eb;display:flex;flex-direction:column;justify-content:end}.news-feature h3{font-size:31px;line-height:1.3;margin:15px 0 7px}.news-feature p{color:#f5d9c9;margin:0}.news-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.news-item{background:var(--cream);padding:20px 23px;display:grid;grid-template-columns:80px 1fr;gap:15px;transition:var(--ease)}.news-item:hover{background:#fff8e9;padding-left:28px}.news-date{color:var(--red);font-size:13px;font-weight:800}.news-item h3{font-size:17px;margin:0 0 4px}.news-item p{font-size:13px;color:var(--muted);margin:0}
.guarantees{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guarantee{padding:25px 22px 25px 0}.guarantee+ .guarantee{border-left:1px solid var(--line);padding-left:22px}.guarantee b{display:block;font-size:18px;margin:8px 0 2px}.guarantee p{font-size:14px;color:var(--muted);margin:0}.mark{color:var(--red);font-size:22px;font-weight:900}
.quick-answers{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.answer{padding:22px;background:var(--cream);border:1px solid var(--line);border-radius:var(--radius-sm)}.answer span{color:var(--amber);font-weight:900}.answer h3{font-size:17px;margin:8px 0 4px}.answer p{font-size:14px;color:var(--muted);margin:0}
.faq-list{overflow:hidden}.faq-item+.faq-item{border-top:1px solid var(--line)}.faq-question{width:100%;border:0;background:transparent;text-align:left;padding:21px 25px;display:flex;justify-content:space-between;align-items:center;font-weight:800;color:var(--ink);min-height:60px}.faq-question span:last-child{font-size:24px;color:var(--red);transition:var(--ease)}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}.faq-answer{max-height:0;overflow:hidden;padding:0 25px;color:var(--muted);transition:max-height .3s ease}.faq-item.open .faq-answer{max-height:130px;padding-bottom:20px}
.subscribe{background:var(--charcoal);color:#fff9ed;border-radius:var(--radius);padding:42px;display:flex;justify-content:space-between;align-items:center;gap:30px}.subscribe h2{margin:0;font-size:32px}.subscribe p{color:#d4ccc1;margin:8px 0 0}.subscribe-form{display:flex;gap:9px;min-width:420px}.subscribe-form input{min-height:48px;border:1px solid #5b5852;background:#30302d;color:#fff;padding:0 15px;border-radius:8px;min-width:0;flex:1}.subscribe-form input::placeholder{color:#aaa39a}.subscribe-form input:focus{border-color:var(--yellow);outline:0}.form-note{font-size:12px;color:#a9a198;margin-top:9px}
footer{margin-top:92px;background:var(--charcoal);color:#f9f2e7;padding:45px 0 22px}.footer-main{display:flex;justify-content:space-between;gap:30px}.footer-copy{color:#bdb5ab;font-size:14px;margin:13px 0 0}.footer-links{display:flex;gap:22px;align-items:center}.footer-links a{color:#d5cdc3;font-size:14px;transition:var(--ease)}.footer-links a:hover,.footer-links a.active{color:var(--yellow)}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;color:#918a82;font-size:12px}
@media(max-width:992px){.hero-grid,.feature-grid,.news-layout{grid-template-columns:1fr}.hero-grid{gap:35px}.poster-wall{max-width:620px}.guarantees{grid-template-columns:repeat(2,1fr)}.guarantee:nth-child(3){border-left:0;padding-left:0;border-top:1px solid var(--line)}.guarantee:nth-child(4){border-top:1px solid var(--line)}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.header-cta{display:none}.hero{padding:54px 0 45px}.section{padding:65px 0}.section-head{display:block}.section-intro{margin-top:12px}.timeline{grid-template-columns:1fr;gap:25px;border-top:0;border-left:1px solid var(--line);padding:0 0 0 25px}.step{padding:0}.step:not(:last-child):after{top:24px;right:auto;left:-33px;height:calc(100% + 25px);width:1px;border-top:0;border-left:1px dashed #b7ad9e}.step-dot{position:absolute;left:-34px;top:0}.comparison{grid-template-columns:1fr;gap:20px}.compare-column+.compare-column{border-left:0;border-top:1px solid var(--line);padding:25px 0 0}.quick-answers{grid-template-columns:1fr}.subscribe{display:block;padding:30px 24px}.subscribe-form{min-width:0;margin-top:22px}.drawer{padding-left:30px;padding-right:30px}.footer-main,.footer-bottom{display:block}.footer-links{margin-top:25px;flex-wrap:wrap}.footer-bottom p{margin:8px 0}}
@media(max-width:520px){h1{font-size:39px}.hero-copy p{font-size:15px}.poster-wall{grid-template-columns:1fr  .78fr;gap:8px}.poster-large{height:330px}.poster-small{height:225px}.poster{padding:13px}.poster h2{font-size:19px}.poster p{font-size:11px}.feature-card{padding:25px}.feature-card h3{font-size:25px}.news-item{grid-template-columns:64px 1fr;padding:17px 15px}.subscribe-form{display:block}.subscribe-form input,.subscribe-form .btn{width:100%}.subscribe-form .btn{margin-top:9px}.footer-bottom{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}