/* roulang page: index */
:root{
      --ink:#0b1d31;
      --ink-soft:#27405a;
      --muted:#66788d;
      --line:#dce5ee;
      --line-dark:rgba(255,255,255,.14);
      --paper:#f6f8fb;
      --white:#fff;
      --navy:#071a2f;
      --navy-2:#0c2948;
      --blue:#2776ef;
      --blue-deep:#175bc4;
      --cyan:#21c6d9;
      --mint:#baf5e8;
      --gold:#f7c451;
      --danger:#f28d78;
      --shadow:0 18px 52px rgba(16,47,80,.12);
      --shadow-sm:0 8px 22px rgba(17,48,79,.08);
      --radius:20px;
      --radius-sm:13px;
      --container:1180px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    img{display:block;max-width:100%}
    :focus-visible{outline:3px solid rgba(33,198,217,.65);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(7,26,47,.94);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(255,255,255,.09);
    }
    .header-main{
      min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px;
    }
    .brand{
      flex:0 0 auto;display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;letter-spacing:.02em;
    }
    .brand-mark{
      width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 7px 18px rgba(33,198,217,.25);
    }
    .brand-mark i{
      display:block;margin-left:3px;width:0;height:0;
      border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:10px solid #fff;
    }
    .desktop-nav{display:flex;align-items:center;justify-content:center;gap:5px;flex:1}
    .nav-link{
      position:relative;padding:10px 12px;border-radius:9px;color:#cbd8e5;font-size:14px;font-weight:650;
      transition:var(--ease);white-space:nowrap;
    }
    .nav-link:hover,.nav-link.active{background:rgba(255,255,255,.1);color:#fff}
    .nav-link.active:after{
      content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:5px;background:var(--cyan);
    }
    .phase-group{display:flex;align-items:center;gap:6px;padding-left:8px;margin-left:5px;border-left:1px solid var(--line-dark)}
    .phase{
      color:#aec0d2;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
      padding:4px 8px;border-radius:999px;font-size:11px;font-weight:700;line-height:1;white-space:nowrap;
    }
    .phase.live{color:#dffff6;border-color:rgba(33,198,217,.38);background:rgba(33,198,217,.13)}
    .phase.live:before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--cyan);margin:0 5px 1px 0}
    .header-action{flex:0 0 auto}
    .nav-cta,.button-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:42px;padding:0 16px;color:#fff;background:var(--blue);border-radius:11px;font-size:14px;font-weight:800;
      box-shadow:0 8px 18px rgba(39,118,239,.24);transition:var(--ease);
    }
    .nav-cta:hover,.button-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(39,118,239,.3)}
    .nav-toggle{display:none;width:42px;height:42px;padding:0;border-radius:10px;background:rgba(255,255,255,.09);color:white}
    .nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;margin:4px auto}
    .mobile-nav{display:none;padding:5px 0 18px;border-top:1px solid rgba(255,255,255,.1)}
    .mobile-nav.open{display:block}
    .mobile-nav .nav-link{display:block;margin-top:4px;padding:11px 4px;border-radius:0}
    .mobile-nav .phase-group{margin:12px 0 0;padding:12px 0 0;border-left:0;border-top:1px solid var(--line-dark)}
    .hero{
      position:relative;overflow:hidden;color:#fff;background:var(--navy);
      padding:68px 0 74px;
    }
    .hero:before{
      content:"";position:absolute;width:780px;height:780px;right:-310px;top:-490px;border:1px solid rgba(33,198,217,.18);
      border-radius:50%;box-shadow:0 0 0 48px rgba(33,198,217,.035),0 0 0 120px rgba(39,118,239,.035);
    }
    .hero:after{
      content:"";position:absolute;left:-80px;bottom:-110px;width:48%;height:230px;
      transform:skewY(-8deg);background:linear-gradient(90deg,rgba(39,118,239,.16),transparent);
    }
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:.95fr 1.28fr;align-items:center;gap:56px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid rgba(186,245,232,.3);
      border-radius:999px;color:var(--mint);background:rgba(186,245,232,.08);font-size:12px;font-weight:800;letter-spacing:.05em;
    }
    .eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(33,198,217,.12)}
    h1,h2,h3,p{margin-top:0}
    h1{margin:17px 0 16px;font-size:clamp(34px,4.1vw,60px);line-height:1.13;letter-spacing:-.045em}
    .hero-copy{margin:0;max-width:545px;color:#bfd0df;font-size:16px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
    .button-primary.large,.button-outline.large{min-height:49px;padding:0 20px;font-size:15px}
    .button-outline{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 16px;border:1px solid rgba(255,255,255,.28);
      color:#fff;border-radius:11px;background:rgba(255,255,255,.04);font-size:14px;font-weight:750;transition:var(--ease);
    }
    .button-outline:hover{border-color:var(--cyan);background:rgba(33,198,217,.12);transform:translateY(-2px)}
    .hero-note{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;color:#9eb2c5;font-size:12px}
    .hero-note span:before{content:"✓";color:var(--mint);font-weight:900;margin-right:6px}
    .selection-board{
      position:relative;display:grid;grid-template-columns:1fr 1.07fr;gap:14px;align-items:stretch;
    }
    .choice-card{
      padding:21px 18px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.055);
      transition:var(--ease);
    }
    .choice-card:hover{transform:translateY(-4px);border-color:rgba(33,198,217,.45)}
    .choice-card.recommended{
      padding:25px 21px;order:-1;background:linear-gradient(150deg,#1975e9 0%,#1154b5 100%);
      border-color:rgba(186,245,232,.65);box-shadow:0 20px 40px rgba(0,0,0,.24);
    }
    .choice-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:16px}
    .choice-card h3{margin:0;font-size:18px;line-height:1.3}
    .choice-card p{margin:9px 0 15px;color:#b8c9d8;font-size:13px;line-height:1.6}
    .recommended p{color:#dcecff}
    .choice-badge{padding:4px 7px;border-radius:6px;color:#fff0bd;background:rgba(247,196,81,.19);font-size:10px;font-weight:800}
    .choice-list{margin:0;padding:0;list-style:none;color:#d5e0ea;font-size:12px;line-height:2}
    .choice-list li:before{content:"•";color:var(--cyan);font-weight:900;margin-right:7px}
    .recommended .choice-list li:before{color:var(--mint)}
    .choice-card .mini-link{display:inline-flex;margin-top:15px;color:var(--cyan);font-size:12px;font-weight:800}
    .recommended .mini-link{color:#fff}
    main{overflow:hidden}
    section{padding:88px 0}
    .section-kicker{margin:0 0 10px;color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.1em;text-transform:uppercase}
    .section-title{margin:0;color:var(--ink);font-size:clamp(27px,3vw,40px);line-height:1.22;letter-spacing:-.035em}
    .section-desc{margin:15px 0 0;max-width:680px;color:var(--muted);font-size:15px;line-height:1.85}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:33px}
    .section-head .section-desc{max-width:620px}
    .compare-section{background:#fff}
    .compare-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .compare-table{width:100%;min-width:780px;border-collapse:collapse;background:#fff;text-align:left}
    .compare-table th,.compare-table td{padding:17px 20px;border-bottom:1px solid var(--line);font-size:14px}
    .compare-table th{color:var(--ink-soft);background:#f9fbfd;font-weight:800}
    .compare-table td{color:var(--muted)}
    .compare-table tr:last-child td{border-bottom:0}
    .compare-table .hot-col{color:var(--blue-deep);background:#f0f7ff;font-weight:750}
    .compare-table th.hot-col{position:relative;color:#fff;background:var(--blue)}
    .compare-table th.hot-col:before{content:"推荐";display:inline-block;margin-right:7px;padding:2px 6px;border-radius:4px;background:rgba(255,255,255,.2);font-size:10px}
    .check{color:#1da98d;font-weight:900}
    .soft-band{position:relative;background:#edf4fb}
    .soft-band:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,var(--cyan),var(--blue),#7a5cff)}
    .recommend-layout{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:stretch}
    .featured-plan{
      position:relative;overflow:hidden;padding:35px;border-radius:var(--radius);color:#fff;background:var(--navy);
      box-shadow:var(--shadow);
    }
    .featured-plan:after{
      content:"";position:absolute;right:-65px;bottom:-105px;width:260px;height:260px;border-radius:50%;
      border:35px solid rgba(33,198,217,.15);
    }
    .featured-plan > *{position:relative;z-index:1}
    .plan-tag{display:inline-flex;padding:5px 9px;border-radius:7px;background:rgba(33,198,217,.16);color:var(--mint);font-size:11px;font-weight:850}
    .featured-plan h3{margin:14px 0 10px;font-size:29px;line-height:1.25}
    .featured-plan p{margin:0;color:#b8cbe0;font-size:14px;line-height:1.8}
    .plan-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:25px 0}
    .plan-point{padding:12px;border-radius:11px;background:rgba(255,255,255,.07);color:#d7e4f0;font-size:12px}
    .plan-point strong{display:block;margin-bottom:2px;color:#fff;font-size:15px}
    .access-grid{display:grid;gap:15px}
    .access-card{
      display:grid;grid-template-columns:46px 1fr;gap:15px;padding:20px;border:1px solid var(--line);
      border-radius:16px;background:#fff;transition:var(--ease);
    }
    .access-card:hover{border-color:#9cc4f8;transform:translateX(5px);box-shadow:var(--shadow-sm)}
    .access-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:13px;background:#eaf4ff;color:var(--blue);font-size:21px;font-weight:900}
    .access-card h3{margin:1px 0 4px;font-size:16px;line-height:1.4}
    .access-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .guide-section{background:#fff}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:36px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .step{position:relative;min-height:190px;padding:26px 24px;border-right:1px solid var(--line);background:#fff}
    .step:last-child{border-right:0}
    .step-no{display:block;margin-bottom:30px;color:#a3b4c4;font-size:12px;font-weight:900;letter-spacing:.1em}
    .step h3{margin:0 0 8px;font-size:18px;line-height:1.3}
    .step p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}
    .step:after{content:"→";position:absolute;right:-9px;top:25px;z-index:1;color:var(--blue);font-size:19px;font-weight:900}
    .step:last-child:after{display:none}
    .news-section{background:var(--paper)}
    .news-layout{display:grid;grid-template-columns:1.34fr .78fr;gap:28px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{
      display:grid;grid-template-columns:86px 1fr auto;align-items:center;gap:17px;padding:20px 0;border-bottom:1px solid var(--line);
      transition:var(--ease);
    }
    .news-item:hover{padding-left:9px}
    .news-date{color:#7d91a5;font-size:12px;font-weight:750;line-height:1.5}
    .news-date b{display:block;color:var(--blue);font-size:18px}
    .news-item h3{margin:0 0 4px;font-size:16px;line-height:1.4}
    .news-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
    .arrow-link{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:50%;color:var(--blue);font-weight:900;transition:var(--ease)}
    .news-item:hover .arrow-link{color:#fff;background:var(--blue);border-color:var(--blue)}
    .aside-feature{padding:27px;border-radius:var(--radius);background:linear-gradient(155deg,#163858,#0b1d31);color:#fff}
    .aside-feature .section-kicker{color:var(--mint)}
    .aside-feature h3{margin:0 0 12px;font-size:24px;line-height:1.3}
    .aside-feature p{margin:0;color:#b7c9d9;font-size:14px;line-height:1.8}
    .feature-links{margin:18px 0 0;padding:0;list-style:none}
    .feature-links li{border-top:1px solid rgba(255,255,255,.12)}
    .feature-links a{display:flex;justify-content:space-between;gap:10px;padding:12px 0;color:#e8f2fb;font-size:13px;font-weight:700}
    .feature-links a:hover{color:var(--cyan)}
    .upgrade-section{position:relative;color:#fff;background:var(--blue);overflow:hidden}
    .upgrade-section:before,.upgrade-section:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.22)}
    .upgrade-section:before{width:530px;height:530px;left:-270px;top:-250px}
    .upgrade-section:after{width:360px;height:360px;right:-145px;bottom:-210px}
    .upgrade-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .8fr;align-items:center;gap:45px}
    .upgrade-section .section-kicker{color:#d7faff}
    .upgrade-section .section-title{color:#fff}
    .upgrade-section .section-desc{color:#dceaff}
    .upgrade-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .button-white{
      display:inline-flex;align-items:center;justify-content:center;min-height:49px;padding:0 20px;border-radius:11px;
      color:var(--blue-deep);background:#fff;font-size:15px;font-weight:850;box-shadow:0 10px 23px rgba(7,26,47,.18);transition:var(--ease);
    }
    .button-white:hover{transform:translateY(-2px);background:#eaffff}
    .upgrade-panel{padding:22px;border:1px solid rgba(255,255,255,.22);border-radius:18px;background:rgba(7,26,47,.18)}
    .upgrade-panel h3{margin:0 0 15px;font-size:17px}
    .status-row{display:flex;justify-content:space-between;gap:15px;padding:11px 0;border-top:1px solid rgba(255,255,255,.16);color:#d9e9ff;font-size:13px}
    .status-row:first-of-type{border-top:0}
    .status-row b{color:#fff;font-size:12px}
    .status-live{color:#c8fff6!important}
    .faq-section{background:#fff}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:66px;align-items:start}
    .faq-intro{position:sticky;top:105px}
    .faq-intro .section-desc{max-width:370px}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line)}
    summary{
      list-style:none;position:relative;padding:21px 42px 21px 0;color:var(--ink);font-size:16px;font-weight:800;cursor:pointer;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:3px;top:17px;color:var(--blue);font-size:26px;font-weight:400;transition:var(--ease)}
    details[open] summary:after{transform:rotate(45deg)}
    .faq-answer{padding:0 40px 22px 0;color:var(--muted);font-size:14px;line-height:1.85}
    .footer{color:#bfcede;background:var(--navy);padding:58px 0 25px}
    .footer-top{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:40px;padding-bottom:42px}
    .footer .brand{font-size:20px}
    .footer-copy{max-width:400px;margin:15px 0 0;color:#91a7ba;font-size:13px;line-height:1.85}
    .footer h3{margin:4px 0 14px;color:#fff;font-size:14px}
    .footer-links{margin:0;padding:0;list-style:none}
    .footer-links li{margin-bottom:9px}
    .footer-links a{color:#a9bbca;font-size:13px;transition:var(--ease)}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#7f98ad;font-size:12px}
    .floating-cta{
      position:fixed;right:20px;bottom:20px;z-index:30;display:flex;align-items:center;gap:9px;
      padding:11px 14px;border-radius:999px;color:#fff;background:var(--navy);box-shadow:0 14px 34px rgba(7,26,47,.25);
      font-size:13px;font-weight:800;transition:var(--ease);
    }
    .floating-cta:hover{background:var(--blue);transform:translateY(-3px)}
    .floating-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(33,198,217,.16)}
    @media(max-width:1024px){
      .desktop-nav{gap:0}.nav-link{padding:10px 8px;font-size:13px}.phase-group{display:none}
      .hero-grid{gap:30px}.selection-board{gap:10px}
      .news-layout,.faq-layout{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 34px,var(--container))}
      .header-main{min-height:67px}.desktop-nav,.header-action{display:none}.nav-toggle{display:block}
      .hero{padding:52px 0 58px}.hero-grid{grid-template-columns:1fr;gap:32px}
      .selection-board{max-width:600px}.choice-card.recommended{order:0}
      section{padding:64px 0}.section-head{display:block;margin-bottom:26px}
      .recommend-layout,.news-layout,.upgrade-grid,.faq-layout{grid-template-columns:1fr}
      .faq-intro{position:static}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .step:after{display:none}.footer-top{grid-template-columns:1fr 1fr}.footer-top>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      .container{width:min(100% - 28px,var(--container))}
      h1{font-size:35px}.hero-copy{font-size:15px}.hero-actions,.upgrade-actions{display:grid;grid-template-columns:1fr}
      .button-primary.large,.button-outline.large,.button-white{width:100%}
      .selection-board{grid-template-columns:1fr}.choice-card.recommended{order:-1}
      .section-title{font-size:28px}.plan-points{grid-template-columns:1fr}.featured-plan{padding:27px 22px}
      .steps{grid-template-columns:1fr}.step{min-height:auto;border-right:0!important;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}
      .news-item{grid-template-columns:54px 1fr}.news-item .arrow-link{display:none}.news-date b{font-size:15px}
      .footer-top{grid-template-columns:1fr;gap:24px}.footer-top>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom p{margin:0 0 6px}
      .floating-cta{right:13px;bottom:13px;padding:10px 12px}.floating-cta span:last-child{display:none}
    }

/* roulang page: category2 */
:root{
      --ink:#eaf1ff;
      --muted:#99a8c4;
      --dim:#71809b;
      --bg:#08101f;
      --panel:#101b30;
      --panel-2:#14233d;
      --line:rgba(163,184,224,.16);
      --cyan:#68e3dc;
      --blue:#6d8dff;
      --orange:#ffb86b;
      --radius:22px;
      --shadow:0 22px 70px rgba(0,0,0,.28);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:15px;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    button{font:inherit;color:inherit;border:0;cursor:pointer}
    ul{list-style:none}
    .container{width:min(1160px,calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(8,16,31,.84);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .header-main{height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-size:17px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{width:29px;height:29px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 0 24px rgba(104,227,220,.3);position:relative}
    .brand-mark:before,.brand-mark:after,.brand-mark i{content:"";display:block;position:absolute;background:#08101f;border-radius:10px}
    .brand-mark:before{width:4px;height:13px;left:8px;top:8px}
    .brand-mark:after{width:4px;height:18px;left:14px;top:5px}
    .brand-mark i{width:4px;height:9px;left:20px;top:14px}
    .desktop-nav{display:flex;align-items:center;gap:7px;flex:1}
    .nav-link{padding:9px 13px;border-radius:10px;color:var(--muted);transition:var(--ease);font-size:14px}
    .nav-link:hover,.nav-link.active{color:var(--ink);background:rgba(109,141,255,.13)}
    .nav-link.active{box-shadow:inset 0 -2px var(--cyan)}
    .phase-group{display:flex;align-items:center;gap:5px;margin-left:auto;padding-left:14px;border-left:1px solid var(--line)}
    .phase{font-size:11px;color:var(--dim);padding:3px 8px;border:1px solid var(--line);border-radius:99px}
    .phase.live{color:#101b30;background:var(--cyan);border-color:var(--cyan);font-weight:700}
    .nav-cta,.btn-primary{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:11px 18px;border-radius:11px;background:var(--cyan);color:#08101f;font-weight:800;transition:var(--ease)}
    .nav-cta:hover,.btn-primary:hover{background:#a3fff6;transform:translateY(-2px);box-shadow:0 12px 28px rgba(104,227,220,.2)}
    .nav-toggle{display:none;background:none;width:38px;height:38px}
    .nav-toggle span{display:block;width:21px;height:2px;background:var(--ink);margin:5px auto;border-radius:3px}
    .mobile-nav{display:none}
    .hero{position:relative;padding:86px 0 76px;min-height:570px;overflow:hidden}
    .hero:before{content:"";position:absolute;width:620px;height:620px;right:-180px;top:-240px;border-radius:50%;background:radial-gradient(circle,rgba(67,111,255,.27),transparent 67%);pointer-events:none}
    .hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:68px;align-items:center;position:relative}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:1px;background:var(--cyan)}
    h1{font-size:clamp(40px,5.2vw,67px);line-height:1.12;letter-spacing:-.045em;margin:21px 0 23px;max-width:660px}
    .hero-copy{color:var(--muted);font-size:17px;max-width:590px}
    .hero-actions{display:flex;align-items:center;gap:15px;margin-top:32px;flex-wrap:wrap}
    .btn-secondary{display:inline-flex;align-items:center;justify-content:center;padding:10px 17px;border:1px solid var(--line);border-radius:11px;color:var(--ink);transition:var(--ease)}
    .btn-secondary:hover{border-color:var(--cyan);background:rgba(104,227,220,.08)}
    .poster{min-height:390px;border-radius:28px;padding:22px;position:relative;overflow:hidden;background:linear-gradient(145deg,#172b4d 0%,#111a32 48%,#392841 100%);box-shadow:var(--shadow);border:1px solid rgba(182,206,255,.2)}
    .poster:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,transparent 20%,rgba(104,227,220,.13),transparent 55%),radial-gradient(circle at 70% 20%,#8277e8 0,transparent 24%),radial-gradient(circle at 20% 78%,#256a83 0,transparent 28%);opacity:.9}
    .poster-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,black,transparent)}
    .poster-content{position:relative;height:346px;display:flex;flex-direction:column;justify-content:space-between}
    .hot-badge{align-self:flex-start;background:var(--orange);color:#281a0d;font-size:12px;font-weight:800;padding:6px 11px;border-radius:99px}
    .poster-title{font-size:31px;line-height:1.25;font-weight:800;max-width:310px}
    .poster-meta{display:flex;gap:10px;flex-wrap:wrap;color:#d5def1;font-size:12px}
    .poster-meta span{padding:5px 9px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:rgba(5,12,28,.28)}
    .poster-wave{height:42px;display:flex;align-items:center;gap:4px;margin-top:17px}
    .poster-wave i{display:block;width:3px;border-radius:4px;background:var(--cyan);opacity:.82}
    .poster-wave i:nth-child(1){height:12px}.poster-wave i:nth-child(2){height:24px}.poster-wave i:nth-child(3){height:35px}.poster-wave i:nth-child(4){height:18px}.poster-wave i:nth-child(5){height:29px}.poster-wave i:nth-child(6){height:40px}.poster-wave i:nth-child(7){height:21px}.poster-wave i:nth-child(8){height:31px}.poster-wave i:nth-child(9){height:14px}.poster-wave i:nth-child(10){height:26px}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    h2{font-size:clamp(28px,3.5vw,43px);line-height:1.2;letter-spacing:-.03em;margin-top:10px}
    .section-intro{max-width:460px;color:var(--muted)}
    .split{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px;align-items:start}
    .dark-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:32px}
    .dark-panel h3{font-size:23px;line-height:1.35;margin-bottom:12px}
    .dark-panel p{color:var(--muted)}
    .signal-list{display:grid;gap:14px}
    .signal-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
    .signal-item:last-child{border-bottom:0}
    .signal-icon{flex:0 0 38px;height:38px;border-radius:12px;display:grid;place-items:center;color:var(--cyan);background:rgba(104,227,220,.1);font-weight:800}
    .signal-item h3{font-size:16px;margin-bottom:3px}
    .signal-item p{font-size:13px;color:var(--muted)}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .step{padding:24px;background:linear-gradient(150deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:18px;transition:var(--ease)}
    .step:hover{transform:translateY(-5px);border-color:rgba(104,227,220,.45);box-shadow:var(--shadow)}
    .step-no{font-size:12px;color:var(--cyan);font-weight:800;letter-spacing:.1em}
    .step h3{font-size:19px;margin:22px 0 9px}
    .step p{color:var(--muted);font-size:14px}
    .quote-band{padding:62px 0;background:#0d1830;border-block:1px solid var(--line)}
    .quote-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:60px;align-items:center}
    .quote-grid blockquote{font-size:25px;line-height:1.55;letter-spacing:-.02em}
    .quote-grid blockquote:before{content:"“";display:block;color:var(--cyan);font-size:55px;height:35px;line-height:1}
    .quote-note{color:var(--muted);font-size:14px;margin-top:17px}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{border:1px solid var(--line);border-radius:16px;background:rgba(16,27,48,.7);padding:21px 23px}
    .faq-item h3{font-size:16px;margin-bottom:8px}
    .faq-item p{font-size:14px;color:var(--muted)}
    .cta{padding:76px 0}
    .cta-box{position:relative;overflow:hidden;border-radius:25px;padding:48px 52px;background:linear-gradient(110deg,#183d4b,#1d315f);border:1px solid rgba(104,227,220,.27)}
    .cta-box:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:5%;top:-130px;background:rgba(104,227,220,.13)}
    .cta-box h2,.cta-box p,.cta-box a{position:relative;z-index:1}
    .cta-box p{color:#c3d1e7;max-width:640px;margin:14px 0 25px}
    .footer{padding:56px 0 24px;border-top:1px solid var(--line);background:#070e1b}
    .footer-top{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:50px;padding-bottom:45px}
    .footer-copy{color:var(--dim);font-size:13px;max-width:380px;margin-top:17px}
    .footer h3{font-size:14px;margin-bottom:14px}
    .footer-links{display:grid;gap:9px;color:var(--dim);font-size:13px}
    .footer-links a{transition:var(--ease)}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;color:#596983;font-size:12px;gap:20px}
    :focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
    @media(max-width:900px){
      .desktop-nav,.header-action{display:none}.nav-toggle{display:block;margin-left:auto}.mobile-nav{padding:0 0 18px;gap:5px;flex-wrap:wrap}.mobile-nav.open{display:flex}.mobile-nav .phase-group{width:100%;margin:10px 0 0;padding:12px 0 0;border-left:0;border-top:1px solid var(--line)}
      .hero-grid{grid-template-columns:1fr;gap:42px}.hero{padding-top:62px}.poster{min-height:330px}.poster-content{height:286px}
      .split,.quote-grid{grid-template-columns:1fr;gap:28px}.footer-top{grid-template-columns:1.3fr 1fr 1fr}
    }
    @media(max-width:640px){
      .container{width:min(100% - 32px,1160px)}.header-main{height:68px}.brand{font-size:15px}.hero{padding:48px 0 55px}h1{font-size:41px}.hero-copy{font-size:15px}.section{padding:62px 0}.section-head{display:block;margin-bottom:24px}.section-intro{margin-top:16px}.steps,.faq-list{grid-template-columns:1fr}.dark-panel{padding:24px}.quote-grid blockquote{font-size:21px}.cta-box{padding:32px 25px}.footer-top{grid-template-columns:1fr 1fr;gap:32px}.footer-top>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom p+p{margin-top:7px}
    }

/* roulang page: category1 */
:root{
      --ink:#15243b;
      --muted:#687993;
      --soft:#f4f7fb;
      --paper:#ffffff;
      --line:#e3eaf3;
      --primary:#3d67f1;
      --primary-dark:#294ac2;
      --cyan:#19b8c7;
      --navy:#101c35;
      --success:#20b486;
      --warning:#f3a943;
      --shadow:0 18px 46px rgba(31,53,95,.10);
      --shadow-sm:0 8px 24px rgba(31,53,95,.08);
      --radius:22px;
      --radius-sm:13px;
      --container:1180px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    button,input{font:inherit}
    button{cursor:pointer}
    ul{padding:0;margin:0;list-style:none}
    h1,h2,h3,p{margin-top:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(255,255,255,.91);
      border-bottom:1px solid rgba(227,234,243,.8);
      backdrop-filter:blur(18px);
    }
    .header-main{height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-size:18px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{
      width:31px;height:31px;border-radius:10px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 7px 16px rgba(61,103,241,.25);
    }
    .brand-mark i{display:block;width:12px;height:12px;border-radius:50%;background:#fff;position:relative}
    .brand-mark i::after{content:"";position:absolute;right:-5px;top:3px;border-left:6px solid #fff;border-top:3px solid transparent;border-bottom:3px solid transparent}
    .desktop-nav{display:flex;align-items:center;gap:7px;flex:1}
    .nav-link{padding:9px 13px;border-radius:10px;color:var(--muted);font-size:14px;font-weight:650}
    .nav-link:hover,.nav-link.active{color:var(--primary);background:#eef3ff}
    .phase-group{display:flex;gap:6px;margin-left:8px;padding-left:16px;border-left:1px solid var(--line)}
    .phase{font-size:12px;color:#8390a3;background:#f2f5f9;border-radius:99px;padding:3px 9px}
    .phase.live{color:#087d64;background:#dff8ef}
    .nav-cta,.button-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      color:#fff;background:var(--primary);border:1px solid var(--primary);
      padding:11px 19px;border-radius:11px;font-weight:700;font-size:14px;
      box-shadow:0 8px 18px rgba(61,103,241,.2)
    }
    .nav-cta:hover,.button-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(61,103,241,.28)}
    .button-secondary{
      display:inline-flex;align-items:center;justify-content:center;padding:11px 19px;
      border:1px solid var(--line);border-radius:11px;color:var(--ink);font-weight:700;background:#fff
    }
    .button-secondary:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
    .nav-toggle{display:none;border:0;background:transparent;padding:8px}
    .nav-toggle span{display:block;width:23px;height:2px;background:var(--ink);margin:5px;border-radius:2px}
    .mobile-nav{display:none}
    .hero{
      position:relative;overflow:hidden;padding:86px 0 76px;
      background:linear-gradient(135deg,#f6f9ff 0%,#eef8fb 58%,#fff 100%);
    }
    .hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .hero::before{width:420px;height:420px;right:-120px;top:-150px;background:rgba(61,103,241,.09)}
    .hero::after{width:260px;height:260px;left:-100px;bottom:-150px;background:rgba(25,184,199,.10)}
    .hero-content{position:relative;z-index:1;max-width:820px;margin:0 auto;text-align:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);background:#e9efff;border:1px solid #d8e3ff;border-radius:99px;padding:5px 12px;font-size:13px;font-weight:750}
    .eyebrow::before{content:"";width:7px;height:7px;background:var(--success);border-radius:50%;box-shadow:0 0 0 4px rgba(32,180,134,.13)}
    h1{font-size:clamp(36px,5vw,64px);line-height:1.13;letter-spacing:-.045em;margin:20px 0 18px;color:var(--navy)}
    .hero-lead{max-width:680px;margin:0 auto 30px;color:var(--muted);font-size:18px}
    .search-box{display:flex;max-width:690px;margin:0 auto 20px;background:#fff;padding:7px;border:1px solid #dce5f2;border-radius:16px;box-shadow:var(--shadow)}
    .search-box input{flex:1;min-width:0;border:0;outline:0;padding:12px 15px;color:var(--ink);background:transparent}
    .search-box input::placeholder{color:#9aa8ba}
    .search-box button{border:0;border-radius:11px;padding:0 22px;color:#fff;background:var(--navy);font-weight:700}
    .search-box button:hover{background:var(--primary)}
    .quick-links{display:flex;justify-content:center;flex-wrap:wrap;gap:9px}
    .quick-links a{font-size:13px;color:var(--muted);padding:5px 10px;border-radius:8px;background:rgba(255,255,255,.7)}
    .quick-links a:hover{color:var(--primary);background:#fff}
    .section{padding:88px 0}
    .section-soft{background:var(--soft)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}
    .section-kicker{color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:9px}
    h2{font-size:clamp(28px,3.5vw,42px);line-height:1.25;letter-spacing:-.035em;margin:0;color:var(--navy)}
    .section-intro{max-width:520px;color:var(--muted);margin:10px 0 0}
    .split{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .story h2{margin-bottom:18px}
    .story p{color:var(--muted);margin-bottom:18px}
    .check-list{display:grid;gap:13px;margin-top:25px}
    .check-list li{display:flex;gap:12px;align-items:flex-start;color:#40516b}
    .check-list li::before{content:"✓";flex:none;width:23px;height:23px;display:grid;place-items:center;border-radius:50%;color:#078d70;background:#def7ed;font-size:13px;font-weight:800;margin-top:3px}
    .signal-panel{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:21px;border-bottom:1px solid var(--line)}
    .panel-title{font-weight:800;color:var(--navy)}
    .status{font-size:12px;padding:4px 9px;border-radius:99px;color:#087d64;background:#e1f8ef}
    .signal-row{display:grid;grid-template-columns:42px 1fr auto;gap:13px;align-items:center;padding:18px 0;border-bottom:1px solid #eef2f7}
    .signal-row:last-child{border:0;padding-bottom:0}
    .signal-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#edf2ff;color:var(--primary);font-weight:800}
    .signal-row strong{display:block;font-size:14px}
    .signal-row small{display:block;color:var(--muted);font-size:12px}
    .signal-score{font-size:13px;color:var(--success);font-weight:800}
    .feature-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:24px}
    .feature-intro{padding:32px;border-radius:var(--radius);background:var(--navy);color:#fff;min-height:300px;display:flex;flex-direction:column;justify-content:space-between}
    .feature-intro h2{color:#fff;font-size:31px}
    .feature-intro p{color:#b5c3db;margin:0}
    .feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .feature-card{padding:25px;border:1px solid var(--line);border-radius:17px;background:#fff;transition:.25s ease}
    .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:#cbd8fa}
    .feature-card .number{color:var(--primary);font-size:13px;font-weight:850}
    .feature-card h3{font-size:18px;margin:12px 0 7px}
    .feature-card p{font-size:14px;color:var(--muted);margin:0}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .flow-step{position:relative;padding:30px 24px 30px 0;margin-right:24px}
    .flow-step:not(:last-child)::after{content:"→";position:absolute;right:-1px;top:41px;color:#a6b4c9;font-size:24px}
    .flow-step span{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#eaf0ff;color:var(--primary);font-size:13px;font-weight:800;margin-bottom:16px}
    .flow-step h3{font-size:17px;margin:0 0 7px}
    .flow-step p{font-size:13px;color:var(--muted);margin:0}
    .scenario-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .scenario-main,.scenario-side{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:30px}
    .scenario-main{background:linear-gradient(145deg,#f3f6ff,#fff)}
    .scenario-main h3,.scenario-side h3{margin:0 0 12px;font-size:22px}
    .scenario-main p,.scenario-side p{color:var(--muted);margin-bottom:22px}
    .tag-list{display:flex;flex-wrap:wrap;gap:9px}
    .tag{padding:7px 12px;border-radius:9px;background:#fff;border:1px solid #dfe7f5;color:#53647d;font-size:13px}
    .scenario-side{display:flex;flex-direction:column;justify-content:center}
    .quote{padding:34px 38px;border-radius:var(--radius);background:#f0fbfa;border:1px solid #d9f1ed;position:relative}
    .quote::before{content:"“";position:absolute;top:12px;left:25px;color:#83d8ca;font-size:52px;line-height:1}
    .quote p{font-size:20px;line-height:1.65;color:#234b55;margin:13px 0 20px;padding-left:18px}
    .quote cite{font-style:normal;color:#64828a;font-size:13px}
    .faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;padding:22px 0;border:0;background:none;color:var(--ink);font-weight:750}
    .faq-question::after{content:"+";font-size:24px;color:var(--primary);font-weight:400;transition:.2s}
    .faq-item.open .faq-question::after{content:"−"}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 40px 20px 0}
    .faq-item.open .faq-answer{display:block}
    .cta{padding:64px 0;background:var(--navy);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{color:#fff;font-size:34px}
    .cta p{color:#b8c6dc;margin:10px 0 0;max-width:600px}
    .cta .button-primary{background:#fff;color:var(--primary);border-color:#fff;box-shadow:none}
    .cta .button-primary:hover{background:#eaf0ff}
    .footer{padding:55px 0 23px;background:#0b152a;color:#c8d2e1}
    .footer-top{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:50px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer .brand{color:#fff}
    .footer-copy{color:#8999b1;font-size:13px;max-width:365px;margin:18px 0 0}
    .footer h3{font-size:14px;color:#fff;margin:4px 0 14px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#8999b1}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:21px;color:#70819a;font-size:12px}
    .footer-bottom p{margin:0}
    :focus-visible{outline:3px solid rgba(25,184,199,.5);outline-offset:3px}
    @media(max-width:1024px){
      .desktop-nav{gap:2px}.nav-link{padding-left:9px;padding-right:9px}
      .split{gap:35px}.feature-layout{grid-template-columns:1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .header-main{height:68px}.desktop-nav,.header-action{display:none}.nav-toggle{display:block;margin-left:auto}
      .mobile-nav{padding:8px 0 18px;display:none;border-top:1px solid var(--line)}
      .mobile-nav.open{display:grid;gap:4px}.mobile-nav .nav-link{display:block}.mobile-nav .phase-group{margin:8px 0 0;padding:10px 0 0;border-left:0;border-top:1px solid var(--line)}
      .hero{padding:62px 0 58px}.hero-lead{font-size:16px}
      .section{padding:64px 0}.section-head{display:block;margin-bottom:25px}
      .split,.scenario-grid{grid-template-columns:1fr}.flow{grid-template-columns:1fr 1fr;border-bottom:0}
      .flow-step{border-bottom:1px solid var(--line);margin-right:15px}.flow-step:nth-child(2n)::after{display:none}
      .footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-top>div:first-child{grid-column:1/-1}
      .cta-inner{display:block}.cta .button-primary{margin-top:22px}
    }
    @media(max-width:520px){
      h1{font-size:38px}.search-box{display:block;padding:8px}.search-box input{width:100%;height:48px}.search-box button{width:100%;height:45px}
      .feature-grid{grid-template-columns:1fr}.flow{grid-template-columns:1fr}.flow-step{margin-right:0}.flow-step::after{display:none!important}
      .quote{padding:27px 22px}.quote p{font-size:17px;padding-left:10px}
      .footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom p+p{margin-top:8px}
    }