/* roulang page: index */
:root{
      --ink:#0d1714;
      --deep:#10231f;
      --deep-2:#17332d;
      --green:#1f6b5b;
      --green-2:#2c8a78;
      --cyan:#4bd8c5;
      --cyan-soft:#dff8f4;
      --gold:#d8c08a;
      --paper:#f6f8f4;
      --paper-2:#eef4ef;
      --white:#ffffff;
      --text:#22302c;
      --muted:#68766f;
      --line:#dce6df;
      --line-dark:rgba(255,255,255,.16);
      --shadow:0 18px 50px rgba(12,31,27,.12);
      --shadow-soft:0 12px 32px rgba(12,31,27,.08);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --nav-h:76px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 10%, rgba(75,216,197,.12), transparent 28%),
        linear-gradient(180deg,#fbfcf8 0%, var(--paper) 48%, #f8faf6 100%);
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:var(--cyan-soft);color:var(--deep)}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .skip-link{
      position:absolute;left:-999px;top:12px;z-index:1000;background:var(--cyan);color:var(--deep);
      padding:10px 16px;border-radius:999px;font-weight:700
    }
    .skip-link:focus{left:16px;outline:3px solid rgba(75,216,197,.45)}
    .site-header{
      position:sticky;top:0;z-index:100;background:rgba(13,23,20,.9);backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(255,255,255,.09);box-shadow:0 10px 30px rgba(0,0,0,.08)
    }
    .nav-wrap{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand-mark{
      width:42px;height:42px;border-radius:15px;background:
        linear-gradient(135deg,var(--cyan),var(--green));
      display:grid;place-items:center;color:var(--deep);font-weight:900;letter-spacing:-1px;
      box-shadow:0 12px 24px rgba(75,216,197,.18)
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-name{font-weight:800;color:#fff;font-size:17px;white-space:nowrap}
    .brand-sub{font-size:12px;color:rgba(255,255,255,.62);margin-top:2px;white-space:nowrap}
    .nav-menu{display:flex;align-items:center;gap:8px}
    .nav-menu a{
      color:rgba(255,255,255,.78);font-weight:650;font-size:15px;padding:10px 16px;border-radius:999px;
      position:relative;transition:var(--ease)
    }
    .nav-menu a:hover,.nav-menu a:focus-visible{color:#fff;background:rgba(255,255,255,.08);outline:none}
    .nav-menu a.active{color:var(--deep);background:var(--cyan);box-shadow:0 10px 26px rgba(75,216,197,.22)}
    .nav-cta{display:flex;align-items:center;gap:12px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;
      padding:12px 22px;border-radius:999px;font-weight:750;transition:var(--ease);
      border:1px solid transparent;white-space:nowrap
    }
    .btn-primary{background:var(--cyan);color:var(--deep);box-shadow:0 14px 30px rgba(75,216,197,.2)}
    .btn-primary:hover{transform:translateY(-2px);background:#62ead8;box-shadow:0 18px 38px rgba(75,216,197,.28)}
    .btn-secondary{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.18)}
    .btn-secondary:hover{background:rgba(255,255,255,.14);border-color:rgba(75,216,197,.55);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--deep);border-color:var(--line);box-shadow:var(--shadow-soft)}
    .btn-light:hover{transform:translateY(-2px);border-color:rgba(75,216,197,.6)}
    .btn-outline{background:transparent;color:var(--green);border-color:rgba(31,107,91,.35)}
    .btn-outline:hover{background:var(--cyan-soft);border-color:var(--green-2);transform:translateY(-2px)}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:14px;background:rgba(255,255,255,.08);
      color:#fff;border:1px solid rgba(255,255,255,.15)
    }
    .menu-toggle span{display:block;width:20px;height:2px;background:#fff;margin:5px auto;border-radius:3px;transition:var(--ease)}
    .hero{
      position:relative;min-height:710px;display:flex;align-items:center;color:#fff;overflow:hidden;
      background:
        linear-gradient(112deg,rgba(13,23,20,.94) 0%,rgba(16,35,31,.88) 48%,rgba(16,35,31,.58) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero:before{
      content:"";position:absolute;inset:0;background:
        linear-gradient(90deg,rgba(75,216,197,.1),transparent 35%),
        radial-gradient(circle at 78% 24%,rgba(75,216,197,.22),transparent 24%);
      pointer-events:none
    }
    .hero:after{
      content:"";position:absolute;right:-110px;bottom:-160px;width:520px;height:520px;
      border:1px solid rgba(75,216,197,.18);border-radius:50%;box-shadow:inset 0 0 0 70px rgba(255,255,255,.03)
    }
    .hero-inner{
      position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:58px;align-items:center;
      padding:86px 0 78px
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:10px;padding:8px 14px;border:1px solid rgba(75,216,197,.35);
      background:rgba(255,255,255,.08);border-radius:999px;color:rgba(255,255,255,.92);font-size:14px;font-weight:700
    }
    .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px rgba(75,216,197,.14)}
    h1{
      margin:22px 0 20px;font-size:clamp(34px,5vw,56px);line-height:1.16;letter-spacing:-.04em;
      font-weight:850;color:#fff
    }
    .hero-lead{font-size:18px;line-height:1.9;color:rgba(255,255,255,.8);max-width:720px}
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:34px}
    .trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .trust-pill{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);font-size:14px;color:rgba(255,255,255,.78)
    }
    .hero-panel{
      position:relative;background:rgba(246,248,244,.96);color:var(--text);border-radius:var(--radius-xl);
      padding:24px;box-shadow:0 28px 80px rgba(0,0,0,.22);border:1px solid rgba(255,255,255,.62)
    }
    .panel-top{
      display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px;
      padding-bottom:18px;border-bottom:1px solid var(--line)
    }
    .panel-title{font-size:20px;font-weight:820;color:var(--deep)}
    .status{
      display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:750;font-size:13px;
      background:#eaf7f4;border:1px solid #c9eee8;border-radius:999px;padding:7px 10px;white-space:nowrap
    }
    .access-steps{display:grid;gap:14px}
    .access-step{
      display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start;padding:16px;border-radius:18px;
      background:#fff;border:1px solid var(--line);transition:var(--ease)
    }
    .access-step:hover{transform:translateY(-2px);border-color:rgba(75,216,197,.55);box-shadow:var(--shadow-soft)}
    .step-num{
      width:42px;height:42px;border-radius:15px;background:var(--deep);color:var(--cyan);
      display:grid;place-items:center;font-weight:850
    }
    .access-step h3{font-size:17px;color:var(--deep);margin-bottom:3px}
    .access-step p{font-size:14px;color:var(--muted);line-height:1.65}
    .panel-note{
      margin-top:18px;padding:14px 16px;background:#fff8e8;border:1px solid #ead9ab;
      border-radius:18px;color:#6e5d30;font-size:14px
    }
    .section{padding:88px 0}
    .section-tight{padding:70px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-kicker{color:var(--green);font-weight:850;letter-spacing:.08em;font-size:13px;margin-bottom:8px}
    h2{font-size:clamp(26px,3.2vw,38px);line-height:1.25;color:var(--deep);letter-spacing:-.03em}
    .section-desc{max-width:520px;color:var(--muted);font-size:16px}
    .recognition{
      display:grid;grid-template-columns:.86fr 1.14fr;gap:24px;align-items:stretch
    }
    .notice-card{
      border-radius:var(--radius-xl);background:var(--deep);color:#fff;padding:32px;position:relative;overflow:hidden;
      box-shadow:var(--shadow)
    }
    .notice-card:before{
      content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
      background:rgba(75,216,197,.12)
    }
    .notice-card h3{font-size:25px;line-height:1.35;margin-bottom:14px;position:relative}
    .notice-card p{color:rgba(255,255,255,.76);position:relative}
    .notice-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .mini-card{
      background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow-soft);
      transition:var(--ease)
    }
    .mini-card:hover{transform:translateY(-3px);border-color:rgba(75,216,197,.65)}
    .icon{
      width:42px;height:42px;border-radius:15px;background:var(--cyan-soft);color:var(--green);
      display:grid;place-items:center;font-weight:900;margin-bottom:14px
    }
    .mini-card h3{font-size:19px;color:var(--deep);margin-bottom:8px}
    .mini-card p{font-size:15px;color:var(--muted)}
    .service-flow{
      display:grid;grid-template-columns:1fr 1fr;gap:22px;counter-reset:item
    }
    .flow-card{
      position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      padding:26px 26px 26px 86px;box-shadow:var(--shadow-soft);transition:var(--ease)
    }
    .flow-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(31,107,91,.28)}
    .flow-card:before{
      counter-increment:item;content:"0" counter(item);position:absolute;left:24px;top:26px;width:44px;height:44px;
      border-radius:16px;background:var(--deep);color:var(--cyan);display:grid;place-items:center;font-weight:900
    }
    .flow-card h3{font-size:21px;color:var(--deep);margin-bottom:8px}
    .flow-card p{color:var(--muted);font-size:15px}
    .split{
      display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center
    }
    .image-stack{position:relative}
    .image-main{
      border-radius:30px;overflow:hidden;box-shadow:var(--shadow);border:8px solid #fff;aspect-ratio:4/3
    }
    .image-main img{width:100%;height:100%;object-fit:cover}
    .float-card{
      position:absolute;right:-18px;bottom:28px;width:min(310px,80%);background:rgba(255,255,255,.96);
      border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)
    }
    .float-card strong{display:block;color:var(--deep);margin-bottom:6px}
    .float-card span{font-size:14px;color:var(--muted)}
    .check-list{display:grid;gap:14px;margin:24px 0 28px}
    .check-list li{
      list-style:none;display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start;
      color:var(--text)
    }
    .check-list li:before{
      content:"✓";width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
      background:var(--cyan-soft);color:var(--green);font-weight:900;margin-top:2px
    }
    .topic-card{
      display:grid;grid-template-columns:.92fr 1.08fr;gap:28px;align-items:center;
      background:linear-gradient(135deg,#fff 0%,#f1faf7 100%);border:1px solid var(--line);
      border-radius:32px;padding:24px;box-shadow:var(--shadow-soft);overflow:hidden
    }
    .topic-img{border-radius:24px;overflow:hidden;aspect-ratio:16/10}
    .topic-img img{width:100%;height:100%;object-fit:cover;transition:var(--ease)}
    .topic-card:hover .topic-img img{transform:scale(1.035)}
    .topic-content{padding:12px 8px}
    .tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 18px}
    .tag{
      display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#fff;
      border:1px solid var(--line);color:var(--green);font-size:13px;font-weight:750
    }
    .process{
      display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative
    }
    .process-item{
      background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px 18px;min-height:170px;
      box-shadow:var(--shadow-soft);transition:var(--ease)
    }
    .process-item:hover{transform:translateY(-3px);border-color:rgba(75,216,197,.58)}
    .process-index{font-size:28px;line-height:1;color:var(--green);font-weight:900;margin-bottom:18px}
    .process-item h3{font-size:18px;color:var(--deep);margin-bottom:8px}
    .process-item p{font-size:14px;color:var(--muted);line-height:1.65}
    .evidence{
      background:var(--deep);color:#fff;position:relative;overflow:hidden
    }
    .evidence:before{
      content:"";position:absolute;inset:0;background:
        linear-gradient(135deg,rgba(75,216,197,.14),transparent 38%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.22
    }
    .evidence .container{position:relative;z-index:1}
    .evidence h2{color:#fff}
    .evidence .section-desc{color:rgba(255,255,255,.72)}
    .evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}
    .evidence-card{
      border:1px solid var(--line-dark);background:rgba(255,255,255,.08);border-radius:24px;padding:24px;
      backdrop-filter:blur(8px)
    }
    .evidence-card b{display:block;font-size:30px;color:var(--cyan);margin-bottom:8px}
    .evidence-card p{color:rgba(255,255,255,.72);font-size:15px}
    .faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:34px;align-items:start}
    .faq-intro{
      position:sticky;top:100px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
      padding:30px;box-shadow:var(--shadow-soft)
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{
      background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 8px 22px rgba(12,31,27,.05)
    }
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:20px 22px;background:#fff;color:var(--deep);font-weight:800;text-align:left
    }
    .faq-question:focus-visible{outline:3px solid rgba(75,216,197,.35);outline-offset:-3px}
    .faq-icon{width:28px;height:28px;border-radius:50%;background:var(--cyan-soft);display:grid;place-items:center;transition:var(--ease);flex:0 0 auto}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
    .faq-answer p{padding:0 22px 20px;color:var(--muted);font-size:15px}
    .faq-item.open .faq-answer{max-height:180px}
    .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--cyan);color:var(--deep)}
    .cta{
      padding:72px 0
    }
    .cta-box{
      position:relative;overflow:hidden;border-radius:34px;background:
        linear-gradient(120deg,rgba(16,35,31,.96),rgba(31,107,91,.92)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      padding:46px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;
      box-shadow:var(--shadow)
    }
    .cta-box:after{
      content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;
      border:1px solid rgba(255,255,255,.15);box-shadow:inset 0 0 0 52px rgba(255,255,255,.04)
    }
    .cta-box h2{color:#fff;margin-bottom:10px}
    .cta-box p{color:rgba(255,255,255,.74);max-width:650px}
    .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
    .site-footer{
      background:#0b1512;color:rgba(255,255,255,.72);padding:58px 0 26px;border-top:1px solid rgba(255,255,255,.08)
    }
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:34px;margin-bottom:34px}
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:#fff}
    .footer-brand .brand-mark{width:40px;height:40px}
    .footer-title{color:#fff;font-weight:850;font-size:18px;margin-bottom:14px}
    .footer-text{max-width:520px;font-size:14px;color:rgba(255,255,255,.64)}
    .footer-links{display:grid;gap:9px}
    .footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:var(--ease)}
    .footer-links a:hover{color:var(--cyan);padding-left:4px}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.1);padding-top:22px;
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.52)
    }
    .footer-bottom a{color:rgba(255,255,255,.72)}
    .footer-bottom a:hover{color:var(--cyan)}
    @media (max-width:1024px){
      .hero-inner,.recognition,.split,.faq-wrap{grid-template-columns:1fr}
      .hero{min-height:auto}
      .hero-panel{max-width:720px}
      .process{grid-template-columns:repeat(3,1fr)}
      .evidence-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .faq-intro{position:static}
    }
    @media (max-width:768px){
      :root{--nav-h:68px}
      .container{width:min(100% - 28px, var(--container))}
      .menu-toggle{display:block}
      .nav-menu{
        position:absolute;left:14px;right:14px;top:calc(var(--nav-h) + 10px);
        display:none;flex-direction:column;align-items:stretch;background:rgba(13,23,20,.98);
        border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:12px;box-shadow:0 22px 60px rgba(0,0,0,.28)
      }
      .site-header.menu-open .nav-menu{display:flex}
      .nav-menu a{padding:14px 16px}
      .nav-cta .btn{display:none}
      .brand-sub{display:none}
      .hero-inner{padding:58px 0 48px;gap:30px}
      h1{letter-spacing:-.02em}
      .hero-lead{font-size:16px}
      .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
      .btn{width:100%}
      .notice-list,.service-flow,.topic-card{grid-template-columns:1fr}
      .topic-card{padding:18px}
      .section{padding:62px 0}
      .section-tight{padding:52px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .process{grid-template-columns:1fr}
      .cta-box{display:block;padding:32px 24px}
      .cta-actions{margin-top:24px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .brand-name{font-size:15px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .hero-panel,.notice-card,.faq-intro{padding:22px}
      .panel-top{align-items:flex-start;flex-direction:column}
      .access-step{grid-template-columns:1fr}
      .step-num{width:38px;height:38px}
      .float-card{position:static;width:100%;margin-top:14px}
      .image-main{border-width:5px;border-radius:24px}
      .mini-card,.flow-card{padding:20px}
      .flow-card{padding-left:20px;padding-top:78px}
      .flow-card:before{left:20px;top:20px}
    }

/* roulang page: category1 */
:root{
      --bg:#f4f7f4;
      --surface:#ffffff;
      --surface-2:#edf4f1;
      --ink:#14231f;
      --muted:#62716d;
      --soft:#879692;
      --line:#dbe6e2;
      --primary:#0d3b34;
      --primary-2:#0f5148;
      --accent:#21c6b8;
      --accent-soft:#dff8f5;
      --gold:#d8bd7d;
      --footer:#081c19;
      --white:#ffffff;
      --shadow:0 18px 46px rgba(18,48,43,.11);
      --shadow-strong:0 24px 70px rgba(9,33,29,.20);
      --radius:22px;
      --radius-sm:14px;
      --container:1200px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      background:
        radial-gradient(circle at 8% 8%, rgba(33,198,184,.10), transparent 28%),
        linear-gradient(180deg,#f7faf8 0%,var(--bg) 52%,#eef4f1 100%);
      color:var(--ink);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:var(--accent);color:#06231f}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .skip-link{
      position:absolute;left:-999px;top:16px;background:var(--primary);color:#fff;
      padding:10px 16px;border-radius:999px;z-index:99
    }
    .skip-link:focus{left:16px;outline:3px solid var(--accent)}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(8,28,25,.92);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .header-inner{
      height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:max-content;color:#fff;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:inline-flex;align-items:center;justify-content:center;
      color:#06231f;font-weight:800;letter-spacing:.5px;
      background:linear-gradient(135deg,var(--accent),var(--gold));
      box-shadow:0 10px 30px rgba(33,198,184,.20);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-text strong{font-size:18px;letter-spacing:.2px}
    .brand-text span{font-size:12px;color:rgba(255,255,255,.66);margin-top:3px}
    .nav-menu{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-menu a{
      position:relative;
      padding:10px 15px;border-radius:999px;
      color:rgba(255,255,255,.78);
      font-size:15px;
      transition:var(--ease);
    }
    .nav-menu a:hover,.nav-menu a:focus{
      color:#fff;background:rgba(255,255,255,.09);outline:none
    }
    .nav-menu a.active{
      color:#06231f;background:var(--accent);font-weight:700;
    }
    .header-cta{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:42px;padding:0 18px;border-radius:999px;
      border:1px solid rgba(216,189,125,.65);
      color:#fff;background:rgba(216,189,125,.12);
      transition:var(--ease);white-space:nowrap;
    }
    .header-cta:hover{transform:translateY(-2px);background:rgba(216,189,125,.22)}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:14px;
      background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.14)
    }
    .menu-toggle span{display:block;width:19px;height:2px;background:#fff;margin:5px auto;border-radius:5px;transition:var(--ease)}
    .menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .menu-toggle.open span:nth-child(2){opacity:0}
    .menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:50px;padding:0 22px;border-radius:999px;
      font-weight:700;transition:var(--ease);border:1px solid transparent;
      box-shadow:none;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;box-shadow:0 14px 34px rgba(13,59,52,.20);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(13,59,52,.28)}
    .btn-secondary{
      background:#fff;color:var(--primary);border-color:rgba(13,59,52,.18);
    }
    .btn-secondary:hover{background:var(--accent-soft);border-color:var(--accent);transform:translateY(-2px)}
    .btn-light{
      background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.26)
    }
    .btn-light:hover{background:#fff;color:var(--primary);transform:translateY(-2px)}
    .badge{
      display:inline-flex;align-items:center;gap:8px;
      border:1px solid rgba(33,198,184,.34);
      background:rgba(33,198,184,.10);
      color:var(--primary);
      border-radius:999px;padding:7px 12px;font-size:13px;font-weight:700;
    }
    .badge::before{
      content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);
      box-shadow:0 0 0 5px rgba(33,198,184,.13)
    }
    .section{padding:84px 0}
    .section-tight{padding:58px 0}
    .section-head{display:flex;justify-content:space-between;gap:28px;align-items:flex-end;margin-bottom:34px}
    .section-kicker{
      color:var(--primary-2);font-weight:800;font-size:14px;letter-spacing:.04em;margin-bottom:10px;
    }
    .section-title{
      font-size:clamp(26px,3vw,38px);line-height:1.25;font-weight:800;letter-spacing:-.5px;
    }
    .section-desc{max-width:650px;color:var(--muted);font-size:17px}
    .page-hero{
      position:relative;overflow:hidden;background:var(--footer);color:#fff;
      min-height:430px;display:flex;align-items:center;
    }
    .page-hero::before{
      content:"";position:absolute;inset:0;
      background:
        linear-gradient(90deg,rgba(8,28,25,.94) 0%,rgba(8,28,25,.78) 46%,rgba(8,28,25,.42) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      transform:scale(1.02);
    }
    .page-hero::after{
      content:"";position:absolute;right:-120px;bottom:-180px;width:520px;height:520px;
      border-radius:50%;border:1px solid rgba(33,198,184,.28);
      box-shadow:inset 0 0 80px rgba(33,198,184,.10);
    }
    .hero-inner{position:relative;z-index:1;padding:72px 0 76px;max-width:860px}
    .breadcrumb{
      display:flex;align-items:center;gap:9px;flex-wrap:wrap;
      color:rgba(255,255,255,.74);font-size:14px;margin-bottom:18px;
    }
    .breadcrumb a:hover{color:var(--accent)}
    .breadcrumb span:last-child{color:#fff}
    h1{
      font-size:clamp(32px,5vw,52px);
      line-height:1.18;font-weight:850;letter-spacing:-.8px;
      max-width:780px;
    }
    .hero-lead{
      margin-top:20px;max-width:760px;
      color:rgba(255,255,255,.80);font-size:18px;line-height:1.9;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
    .hero-note{
      display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;color:rgba(255,255,255,.82);
      font-size:14px
    }
    .hero-note span{
      padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12)
    }
    .overview-wrap{
      display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:stretch;
    }
    .overview-card{
      background:var(--surface);border:1px solid var(--line);
      border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);
      position:relative;overflow:hidden;
    }
    .overview-card::after{
      content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;
      background:radial-gradient(circle,rgba(33,198,184,.20),transparent 70%);
    }
    .overview-card h2{font-size:30px;line-height:1.3;margin:12px 0 14px}
    .overview-card p{color:var(--muted);font-size:17px}
    .quick-tags{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
    }
    .quick-tag{
      min-height:132px;border-radius:20px;padding:20px;background:linear-gradient(180deg,#fff,#f7fbfa);
      border:1px solid var(--line);box-shadow:0 10px 28px rgba(18,48,43,.07);
      transition:var(--ease);
    }
    .quick-tag:hover{transform:translateY(-3px);border-color:rgba(33,198,184,.55);box-shadow:var(--shadow)}
    .quick-tag .icon{
      width:38px;height:38px;border-radius:13px;background:var(--accent-soft);
      color:var(--primary);display:flex;align-items:center;justify-content:center;
      font-weight:850;margin-bottom:12px
    }
    .quick-tag strong{display:block;font-size:18px;margin-bottom:5px}
    .quick-tag span{display:block;color:var(--muted);font-size:14px;line-height:1.65}
    .guide-layout{
      display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:26px;align-items:start;
    }
    .feature-card{
      display:grid;grid-template-columns:330px 1fr;gap:0;
      background:var(--surface);border:1px solid var(--line);
      border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
      margin-bottom:22px;transition:var(--ease);
    }
    .feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-strong);border-color:rgba(33,198,184,.42)}
    .feature-media{position:relative;min-height:260px;overflow:hidden;background:#dfe8e5}
    .feature-media img{width:100%;height:100%;object-fit:cover}
    .feature-media::after{
      content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(8,28,25,.22))
    }
    .feature-body{padding:30px}
    .meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
    .pill{
      display:inline-flex;align-items:center;border-radius:999px;
      padding:6px 10px;background:var(--surface-2);
      color:var(--primary-2);font-size:13px;font-weight:700;
      border:1px solid rgba(13,59,52,.08);
    }
    .feature-body h2{font-size:28px;line-height:1.32;margin-bottom:12px}
    .feature-body p{color:var(--muted);margin-bottom:20px}
    .guide-list{display:grid;gap:16px}
    .guide-item{
      display:grid;grid-template-columns:62px 1fr auto;gap:18px;align-items:center;
      padding:22px;background:rgba(255,255,255,.84);border:1px solid var(--line);
      border-radius:20px;transition:var(--ease);
    }
    .guide-item:hover{transform:translateY(-2px);background:#fff;border-color:rgba(33,198,184,.46);box-shadow:0 14px 36px rgba(18,48,43,.09)}
    .guide-num{
      width:52px;height:52px;border-radius:17px;background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#fff;display:flex;align-items:center;justify-content:center;font-weight:850;
    }
    .guide-item h3{font-size:20px;margin-bottom:4px}
    .guide-item p{color:var(--muted);font-size:15px;line-height:1.7}
    .read-link{
      display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
      border-radius:50%;background:var(--accent-soft);color:var(--primary);font-weight:800;
      transition:var(--ease)
    }
    .guide-item:hover .read-link{background:var(--primary);color:#fff;transform:translateX(3px)}
    .side-panel{
      position:sticky;top:96px;display:grid;gap:16px;
    }
    .side-card{
      background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;
      box-shadow:0 12px 34px rgba(18,48,43,.07)
    }
    .side-card.dark{
      background:linear-gradient(150deg,var(--primary),#092520);
      color:#fff;border-color:rgba(255,255,255,.12);
      overflow:hidden;position:relative;
    }
    .side-card.dark::after{
      content:"";position:absolute;right:-70px;top:-80px;width:180px;height:180px;border-radius:50%;
      background:rgba(33,198,184,.18)
    }
    .side-title{font-size:19px;font-weight:800;margin-bottom:14px}
    .side-links{display:grid;gap:9px}
    .side-links a{
      display:flex;justify-content:space-between;align-items:center;
      padding:11px 12px;border-radius:14px;background:var(--surface-2);
      color:var(--primary);font-weight:700;transition:var(--ease)
    }
    .side-links a:hover{background:var(--accent-soft);transform:translateX(3px)}
    .tip-list{display:grid;gap:12px;color:var(--muted);font-size:14px}
    .tip-list li{list-style:none;display:flex;gap:9px}
    .tip-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:9px;flex:0 0 auto}
    .side-card.dark p{position:relative;z-index:1;color:rgba(255,255,255,.76);font-size:14px;margin-bottom:16px}
    .process{
      background:linear-gradient(180deg,#fff,#f3f8f6);
      border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    }
    .steps{
      display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;
    }
    .step{
      background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;
      min-height:190px;transition:var(--ease);position:relative;overflow:hidden;
    }
    .step:hover{transform:translateY(-3px);border-color:rgba(33,198,184,.48);box-shadow:var(--shadow)}
    .step-no{
      width:42px;height:42px;border-radius:14px;background:var(--primary);color:#fff;
      display:flex;align-items:center;justify-content:center;font-weight:850;margin-bottom:18px;
    }
    .step h3{font-size:20px;margin-bottom:8px}
    .step p{color:var(--muted);font-size:15px}
    .notice-grid{
      display:grid;grid-template-columns:1fr 1fr;gap:22px;
    }
    .notice-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);
      padding:28px;display:flex;gap:18px;align-items:flex-start;transition:var(--ease)
    }
    .notice-card:hover{border-color:rgba(33,198,184,.50);box-shadow:var(--shadow);transform:translateY(-3px)}
    .notice-icon{
      width:50px;height:50px;border-radius:18px;background:var(--accent-soft);
      color:var(--primary);display:flex;align-items:center;justify-content:center;
      font-size:22px;flex:0 0 auto;
    }
    .notice-card h3{font-size:21px;margin-bottom:8px}
    .notice-card p{color:var(--muted)}
    .faq-wrap{
      display:grid;grid-template-columns:.78fr 1.22fr;gap:30px;align-items:start;
    }
    .faq-intro{
      background:linear-gradient(150deg,var(--primary),#08231f);
      color:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-strong);
    }
    .faq-intro p{color:rgba(255,255,255,.76);margin-top:12px}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
      transition:var(--ease)
    }
    .faq-item:hover{border-color:rgba(33,198,184,.42)}
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
      background:transparent;padding:20px 22px;text-align:left;color:var(--ink);font-weight:800;
    }
    .faq-question:focus{outline:3px solid rgba(33,198,184,.35);outline-offset:-3px}
    .faq-toggle{
      width:30px;height:30px;border-radius:50%;background:var(--surface-2);
      display:flex;align-items:center;justify-content:center;color:var(--primary);
      transition:var(--ease);flex:0 0 auto;
    }
    .faq-answer{
      max-height:0;overflow:hidden;transition:max-height .28s ease;
    }
    .faq-answer p{padding:0 22px 20px;color:var(--muted)}
    .faq-item.open .faq-toggle{transform:rotate(45deg);background:var(--accent);color:#06231f}
    .cta-band{
      position:relative;overflow:hidden;border-radius:30px;padding:42px;
      background:
        linear-gradient(110deg,rgba(8,28,25,.96),rgba(13,59,52,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;
      box-shadow:var(--shadow-strong);
    }
    .cta-band::after{
      content:"";position:absolute;right:5%;top:-55px;width:180px;height:180px;border-radius:50%;
      border:1px solid rgba(33,198,184,.30)
    }
    .cta-band h2{font-size:clamp(25px,3vw,36px);line-height:1.3;margin-bottom:10px;position:relative;z-index:1}
    .cta-band p{color:rgba(255,255,255,.76);position:relative;z-index:1;max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
    .site-footer{
      background:var(--footer);color:#fff;padding:56px 0 24px;margin-top:80px;
    }
    .footer-grid{
      display:grid;grid-template-columns:1.35fr .7fr .8fr;gap:36px;padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12)
    }
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .footer-text{color:rgba(255,255,255,.68);max-width:520px;font-size:14px}
    .footer-title{font-weight:800;margin-bottom:14px;color:#fff}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:rgba(255,255,255,.68);font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--accent);transform:translateX(2px)}
    .footer-bottom{
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      padding-top:22px;color:rgba(255,255,255,.58);font-size:13px;
    }
    .footer-bottom a{color:rgba(255,255,255,.78)}
    .footer-bottom a:hover{color:var(--accent)}
    .floating-tools{
      position:fixed;right:18px;bottom:18px;z-index:40;display:grid;gap:10px
    }
    .to-top{
      width:44px;height:44px;border-radius:15px;background:var(--primary);color:#fff;
      box-shadow:0 10px 26px rgba(13,59,52,.28);display:none;align-items:center;justify-content:center;
      transition:var(--ease)
    }
    .to-top.show{display:flex}
    .to-top:hover{background:var(--accent);color:#06231f;transform:translateY(-3px)}
    @media (max-width:1024px){
      .header-cta{display:none}
      .overview-wrap,.guide-layout,.faq-wrap{grid-template-columns:1fr}
      .side-panel{position:static;grid-template-columns:repeat(2,1fr)}
      .feature-card{grid-template-columns:280px 1fr}
      .steps{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .header-inner{height:68px}
      .brand-text span{display:none}
      .brand-text strong{font-size:16px}
      .menu-toggle{display:block}
      .nav-menu{
        position:absolute;left:14px;right:14px;top:74px;
        background:rgba(8,28,25,.98);border:1px solid rgba(255,255,255,.12);
        border-radius:22px;padding:12px;display:none;flex-direction:column;align-items:stretch;
        box-shadow:var(--shadow-strong)
      }
      .nav-menu.open{display:flex}
      .nav-menu a{padding:13px 15px}
      .page-hero{min-height:auto}
      .hero-inner{padding:54px 0 58px}
      .hero-actions .btn{width:100%}
      .section{padding:58px 0}
      .section-tight{padding:44px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px;font-size:16px}
      .overview-card{padding:24px}
      .quick-tags,.notice-grid,.side-panel{grid-template-columns:1fr}
      .feature-card{grid-template-columns:1fr}
      .feature-media{min-height:220px}
      .guide-item{grid-template-columns:52px 1fr;align-items:start}
      .read-link{grid-column:2;width:auto;height:40px;border-radius:999px}
      .steps{grid-template-columns:1fr}
      .faq-intro{padding:26px}
      .cta-band{grid-template-columns:1fr;padding:30px;border-radius:24px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .badge{font-size:12px}
      .hero-lead{font-size:16px}
      .overview-card h2{font-size:25px}
      .feature-body{padding:22px}
      .feature-body h2{font-size:24px}
      .guide-item{padding:18px;gap:14px}
      .notice-card{padding:22px;display:block}
      .notice-icon{margin-bottom:14px}
    }