/* roulang page: index */
:root{
      --color-primary:#0f9f8f;
      --color-primary-dark:#087a70;
      --color-primary-soft:#e8f7f4;
      --color-secondary:#f6a35d;
      --color-secondary-soft:#fff0df;
      --color-bg:#fffaf2;
      --color-bg-alt:#f3fbf8;
      --color-surface:#ffffff;
      --color-text:#223331;
      --color-muted:#667875;
      --color-border:#dce9e5;
      --color-dark:#173b37;
      --color-footer:#173630;
      --shadow-sm:0 10px 24px rgba(27,74,68,.08);
      --shadow-md:0 18px 42px rgba(21,79,72,.13);
      --shadow-lg:0 28px 70px rgba(19,70,64,.18);
      --radius-sm:14px;
      --radius-md:22px;
      --radius-lg:30px;
      --radius-pill:999px;
      --container:1200px;
      --section:88px;
      --transition:.25s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
      color:var(--color-text);
      background:linear-gradient(180deg,#fffaf2 0%,#f8fffc 45%,#fffaf2 100%);
      line-height:1.78;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(15,159,143,.22)}
    .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
    .section{padding:var(--section) 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:var(--radius-pill);
      background:var(--color-primary-soft);color:var(--color-primary-dark);
      font-size:14px;font-weight:700;
      border:1px solid rgba(15,159,143,.12);
    }
    .eyebrow:before{
      content:"";width:7px;height:7px;border-radius:50%;
      background:var(--color-secondary);box-shadow:0 0 0 5px rgba(246,163,93,.16);
    }
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-title{max-width:760px}
    h1,h2,h3{letter-spacing:-.02em;color:var(--color-dark)}
    h1{font-size:clamp(32px,5vw,54px);line-height:1.16;font-weight:800}
    h2{font-size:clamp(26px,3.5vw,38px);line-height:1.28;font-weight:800;margin-top:14px}
    h3{font-size:21px;line-height:1.36;font-weight:750}
    p{color:var(--color-muted)}
    .section-desc{max-width:720px;font-size:16px;margin-top:12px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 22px;border-radius:var(--radius-pill);
      font-weight:750;line-height:1;transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--color-primary),#0db7a6);
      box-shadow:0 14px 28px rgba(15,159,143,.24);
    }
    .btn-primary:hover{background:linear-gradient(135deg,var(--color-primary-dark),#0b9a8e);transform:translateY(-2px);box-shadow:0 18px 34px rgba(15,159,143,.3)}
    .btn-secondary{color:var(--color-primary-dark);background:#fff;border:1px solid rgba(15,159,143,.22);box-shadow:var(--shadow-sm)}
    .btn-secondary:hover{background:var(--color-primary-soft);transform:translateY(-2px);border-color:rgba(15,159,143,.35)}
    .btn-soft{background:var(--color-secondary-soft);color:#a95a16}
    .btn-soft:hover{background:#ffe3c6;transform:translateY(-2px)}
    .text-link{display:inline-flex;align-items:center;gap:6px;color:var(--color-primary-dark);font-weight:750}
    .text-link:after{content:"→";transition:transform var(--transition)}
    .text-link:hover:after{transform:translateX(4px)}
    .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(15,159,143,.28);outline-offset:3px;
    }

    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,250,242,.84);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(220,233,229,.72);
      transition:box-shadow var(--transition),background var(--transition);
    }
    .site-header.is-scrolled{background:rgba(255,250,242,.96);box-shadow:0 12px 32px rgba(27,74,68,.08)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:850;color:var(--color-dark);min-width:max-content}
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      background:linear-gradient(135deg,var(--color-primary),#12c6b1);
      position:relative;box-shadow:0 12px 24px rgba(15,159,143,.2);
    }
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border-radius:9px;background:#fff7e8}
    .brand-mark:before{width:22px;height:7px;left:10px;top:12px}
    .brand-mark:after{width:14px;height:7px;left:10px;top:23px}
    .brand-mark span{position:absolute;width:8px;height:8px;border-radius:50%;right:9px;bottom:10px;background:var(--color-secondary)}
    .brand-text{font-size:18px;letter-spacing:-.01em}
    .nav-menu{display:flex;align-items:center;gap:8px}
    .nav-link{
      position:relative;padding:10px 15px;border-radius:var(--radius-pill);
      color:#40514e;font-weight:700;font-size:15px;
      transition:background var(--transition),color var(--transition);
    }
    .nav-link:hover{background:rgba(15,159,143,.08);color:var(--color-primary-dark)}
    .nav-link.active{background:var(--color-primary-soft);color:var(--color-primary-dark)}
    .nav-cta{margin-left:8px}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--color-border);
      background:#fff;align-items:center;justify-content:center;
    }
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      content:"";display:block;width:20px;height:2px;background:var(--color-dark);border-radius:2px;transition:var(--transition);
    }
    .menu-toggle span:before{transform:translateY(-7px)}
    .menu-toggle span:after{transform:translateY(5px)}
    .menu-toggle.is-open span{background:transparent}
    .menu-toggle.is-open span:before{transform:translateY(0) rotate(45deg)}
    .menu-toggle.is-open span:after{transform:translateY(-2px) rotate(-45deg)}

    .hero{
      position:relative;overflow:hidden;
      padding:76px 0 52px;
      background:
        radial-gradient(circle at 78% 18%,rgba(246,163,93,.22),transparent 26%),
        radial-gradient(circle at 18% 20%,rgba(15,159,143,.16),transparent 32%),
        linear-gradient(135deg,#fffaf2 0%,#effbf7 100%);
    }
    .hero:before{
      content:"";position:absolute;inset:0;opacity:.36;pointer-events:none;
      background-image:linear-gradient(rgba(15,159,143,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(15,159,143,.08) 1px,transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
    }
    .hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}
    .hero-copy p{font-size:18px;max-width:720px;margin-top:20px;color:#526763}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
    .trust-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .trust-tags span{
      display:inline-flex;align-items:center;gap:7px;
      padding:9px 12px;border-radius:var(--radius-pill);
      background:rgba(255,255,255,.76);border:1px solid rgba(220,233,229,.82);
      color:#49605c;font-size:14px;font-weight:700;
    }
    .trust-tags span:before{content:"✓";color:var(--color-primary);font-weight:900}
    .hero-showcase{
      position:relative;min-height:500px;border-radius:36px;
      background:linear-gradient(155deg,#fff 0%,#f5fffc 55%,#fff0df 100%);
      border:1px solid rgba(220,233,229,.9);
      box-shadow:var(--shadow-lg);
      padding:24px;overflow:hidden;
    }
    .hero-showcase:before{
      content:"";position:absolute;width:260px;height:260px;border-radius:50%;
      background:rgba(15,159,143,.1);right:-80px;top:-70px;
    }
    .status-bar{
      position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:14px 16px;border-radius:20px;background:#173630;color:#eefaf7;
      box-shadow:0 16px 36px rgba(23,54,48,.18);
    }
    .status-left{display:flex;align-items:center;gap:10px;font-weight:750}
    .live-dot{width:10px;height:10px;border-radius:50%;background:#46e6b6;box-shadow:0 0 0 7px rgba(70,230,182,.16)}
    .status-time{font-size:13px;color:#b8ddd6}
    .feature-board{position:relative;margin-top:22px;display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .feature-card{
      position:relative;border-radius:26px;background:#fff;border:1px solid var(--color-border);
      padding:22px;box-shadow:var(--shadow-sm);overflow:hidden;
      transition:transform var(--transition),box-shadow var(--transition);
    }
    .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .feature-card.main{min-height:286px;background:linear-gradient(155deg,#ffffff,#edf9f6)}
    .mock-image{
      height:132px;border-radius:22px;margin-bottom:18px;
      background:
        radial-gradient(circle at 70% 30%,rgba(246,163,93,.8) 0 18px,transparent 19px),
        linear-gradient(135deg,rgba(15,159,143,.95),rgba(18,198,177,.55));
      position:relative;overflow:hidden;
    }
    .mock-image:before,.mock-image:after{content:"";position:absolute;border-radius:var(--radius-pill);background:rgba(255,255,255,.8)}
    .mock-image:before{width:55%;height:13px;left:18px;bottom:42px}
    .mock-image:after{width:38%;height:13px;left:18px;bottom:20px}
    .tag{
      display:inline-flex;align-items:center;padding:6px 10px;border-radius:var(--radius-pill);
      background:var(--color-primary-soft);color:var(--color-primary-dark);
      font-size:13px;font-weight:800;
    }
    .tag.orange{background:var(--color-secondary-soft);color:#a95a16}
    .tag.dark{background:#173630;color:#dcfff7}
    .feature-card h3{margin:12px 0 8px}
    .feature-card p{font-size:14px}
    .mini-stack{display:grid;gap:18px}
    .metric{font-size:32px;font-weight:850;color:var(--color-primary-dark);line-height:1.1;margin:12px 0 4px}
    .float-card{
      position:absolute;right:22px;bottom:24px;width:220px;
      padding:16px;border-radius:24px;background:rgba(255,255,255,.92);
      border:1px solid rgba(220,233,229,.9);box-shadow:var(--shadow-md);
    }
    .float-card strong{display:block;color:var(--color-dark);margin-bottom:6px}
    .rating{color:#f2a24b;letter-spacing:2px;font-size:14px}

    .promo-strip{padding:18px 0;background:#173630;color:#e9fff9}
    .strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .strip-item{display:flex;align-items:center;gap:10px;font-weight:750;font-size:14px}
    .strip-icon{width:34px;height:34px;border-radius:12px;background:rgba(255,255,255,.12);display:grid;place-items:center;color:#8ff0df}

    .showcase-grid{
      display:grid;grid-template-columns:1.18fr .82fr .82fr;grid-auto-rows:220px;gap:24px;
    }
    .product-card{
      position:relative;display:flex;flex-direction:column;justify-content:space-between;
      padding:24px;border-radius:var(--radius-lg);background:#fff;
      border:1px solid var(--color-border);box-shadow:var(--shadow-sm);overflow:hidden;
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(15,159,143,.28)}
    .product-card.large{grid-row:span 2;padding:30px;background:linear-gradient(145deg,#fff,#effbf8)}
    .product-card.wide{grid-column:span 2;background:linear-gradient(145deg,#fffaf2,#f0fbf8)}
    .card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;z-index:1}
    .badge{
      display:inline-flex;align-items:center;border-radius:var(--radius-pill);padding:6px 10px;
      font-size:12px;font-weight:800;color:#fff;background:var(--color-primary);
    }
    .badge.hot{background:var(--color-secondary);color:#673007}
    .badge.light{background:var(--color-primary-soft);color:var(--color-primary-dark)}
    .visual-chip{
      position:absolute;right:-20px;bottom:-25px;width:148px;height:148px;border-radius:42px;
      background:linear-gradient(135deg,rgba(15,159,143,.15),rgba(246,163,93,.22));
      transform:rotate(15deg);
    }
    .product-card h3{margin:18px 0 8px;position:relative;z-index:1}
    .product-card p{font-size:14px;position:relative;z-index:1}
    .product-card .text-link{margin-top:16px;position:relative;z-index:1}

    .category-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
    .category-card{
      position:relative;padding:30px;border-radius:32px;overflow:hidden;
      background:#fff;border:1px solid var(--color-border);box-shadow:var(--shadow-sm);
      transition:transform var(--transition),box-shadow var(--transition);
    }
    .category-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
    .category-card:after{
      content:"";position:absolute;right:-45px;top:-45px;width:180px;height:180px;border-radius:50%;
      background:rgba(15,159,143,.1);
    }
    .category-icon{
      width:56px;height:56px;border-radius:20px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--color-primary),#12c6b1);color:#fff;font-size:26px;margin-bottom:18px;
      box-shadow:0 14px 26px rgba(15,159,143,.2);
    }
    .category-card:nth-child(2) .category-icon{background:linear-gradient(135deg,#f6a35d,#ffbd79);color:#623006;box-shadow:0 14px 26px rgba(246,163,93,.22)}
    .category-card p{margin:10px 0 20px;max-width:560px}
    .category-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}

    .proof{
      background:
        radial-gradient(circle at 88% 30%,rgba(246,163,93,.18),transparent 28%),
        linear-gradient(180deg,#f3fbf8,#fffaf2);
    }
    .proof-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;align-items:start}
    .score-card{
      padding:32px;border-radius:34px;background:#173630;color:#fff;box-shadow:var(--shadow-lg);
      position:sticky;top:104px;
    }
    .score-card p{color:#c9e6e0}
    .score-number{font-size:56px;line-height:1;font-weight:900;color:#94f0df;margin:18px 0 10px}
    .score-list{margin-top:24px;display:grid;gap:12px}
    .score-list li{list-style:none;display:flex;align-items:center;gap:10px;color:#e9fff9}
    .score-list li:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--color-secondary)}
    .reviews{
      display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;
      scrollbar-color:rgba(15,159,143,.45) transparent;
    }
    .review-card{
      min-width:310px;scroll-snap-align:start;background:#fff;border:1px solid var(--color-border);
      border-radius:28px;padding:24px;box-shadow:var(--shadow-sm);
    }
    .review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .avatar{width:44px;height:44px;border-radius:16px;background:linear-gradient(135deg,var(--color-primary-soft),var(--color-secondary-soft));display:grid;place-items:center;color:var(--color-primary-dark);font-weight:850}
    .review-card p{font-size:15px;color:#536865}

    .assurance-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .assurance-item{
      padding:24px;border-radius:26px;background:rgba(232,247,244,.8);
      border:1px solid rgba(15,159,143,.14);
      transition:transform var(--transition),background var(--transition);
    }
    .assurance-item:hover{transform:translateY(-4px);background:#fff}
    .assurance-icon{width:42px;height:42px;border-radius:16px;background:#fff;color:var(--color-primary-dark);display:grid;place-items:center;font-weight:900;margin-bottom:14px;box-shadow:var(--shadow-sm)}
    .assurance-item p{font-size:14px;margin-top:6px}

    .info-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .info-card{
      padding:26px;border-radius:28px;background:#fff;border:1px solid var(--color-border);box-shadow:var(--shadow-sm);
    }
    .info-card .num{width:38px;height:38px;border-radius:14px;background:var(--color-secondary-soft);color:#a95a16;display:grid;place-items:center;font-weight:900;margin-bottom:14px}
    .info-card p{font-size:14px;margin-top:8px}

    .faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:36px;align-items:start}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      background:#fff;border:1px solid var(--color-border);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm);
    }
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:20px 22px;text-align:left;color:var(--color-dark);font-weight:800;
    }
    .faq-question .plus{width:28px;height:28px;border-radius:50%;background:var(--color-primary-soft);color:var(--color-primary-dark);display:grid;place-items:center;flex:0 0 auto;transition:transform var(--transition)}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
    .faq-answer p{padding:0 22px 20px;font-size:15px}
    .faq-item.is-open .faq-answer{max-height:180px}
    .faq-item.is-open .plus{transform:rotate(45deg)}

    .cta-panel{
      display:grid;grid-template-columns:1fr .85fr;gap:28px;align-items:center;
      padding:42px;border-radius:36px;
      background:
        radial-gradient(circle at 12% 15%,rgba(255,255,255,.34),transparent 24%),
        linear-gradient(135deg,var(--color-primary-dark),#0f9f8f);
      color:#fff;box-shadow:var(--shadow-lg);overflow:hidden;position:relative;
    }
    .cta-panel h2{color:#fff;margin:0 0 12px}
    .cta-panel p{color:#dff8f3}
    .contact-card{
      background:rgba(255,255,255,.96);border-radius:28px;padding:24px;border:1px solid rgba(255,255,255,.45);
      box-shadow:0 18px 38px rgba(8,75,68,.18);
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-size:13px;font-weight:800;color:#46615d}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid var(--color-border);border-radius:16px;background:#fff;
      padding:12px 13px;color:var(--color-text);transition:border-color var(--transition),box-shadow var(--transition);
    }
    .field textarea{min-height:88px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 4px rgba(15,159,143,.12);outline:0}
    .form-note{font-size:12px;color:#72827f;margin-top:12px}

    .site-footer{
      background:var(--color-footer);color:#eafff9;padding:56px 0 28px;
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .7fr .7fr .9fr;gap:30px;margin-bottom:34px}
    .footer-brand .brand{color:#fff;margin-bottom:14px}
    .footer-brand .brand-mark{box-shadow:none}
    .footer-brand p,.footer-col p{color:#b9d8d2;font-size:14px}
    .footer-col h3{color:#fff;font-size:16px;margin-bottom:14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#cde5df;font-size:14px;transition:color var(--transition),transform var(--transition)}
    .footer-links a:hover{color:#ffd6a8;transform:translateX(3px)}
    .copyright{
      padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
      display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
      color:#a9c9c2;font-size:13px;
    }

    @media (max-width:1024px){
      :root{--section:72px}
      .hero-grid,.proof-grid,.faq-wrap,.cta-panel{grid-template-columns:1fr}
      .hero-showcase{min-height:auto}
      .score-card{position:relative;top:auto}
      .showcase-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:220px}
      .product-card.large{grid-row:span 1;grid-column:span 2}
      .strip-grid,.assurance-grid{grid-template-columns:repeat(2,1fr)}
      .info-list{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:820px){
      .menu-toggle{display:flex}
      .nav-menu{
        position:absolute;left:20px;right:20px;top:76px;
        display:grid;gap:8px;padding:14px;
        background:rgba(255,250,242,.98);border:1px solid var(--color-border);border-radius:24px;
        box-shadow:var(--shadow-md);transform:translateY(-12px);opacity:0;visibility:hidden;
        transition:opacity var(--transition),transform var(--transition),visibility var(--transition);
      }
      .nav-menu.is-open{transform:translateY(0);opacity:1;visibility:visible}
      .nav-link{padding:13px 15px}
      .nav-cta{margin-left:0;width:100%}
      .nav-cta .btn{width:100%}
      .hero{padding:52px 0 42px}
      .feature-board{grid-template-columns:1fr}
      .float-card{position:relative;right:auto;bottom:auto;width:auto;margin-top:18px}
      .section-head{display:block}
      .category-cards{grid-template-columns:1fr}
    }

    @media (max-width:620px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .nav-wrap{height:68px}
      .nav-menu{top:68px;left:14px;right:14px}
      .brand-text{font-size:16px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .hero-actions,.cta-panel .hero-actions{display:grid}
      .btn{width:100%;min-height:48px}
      .strip-grid,.assurance-grid,.info-list,.showcase-grid,.footer-grid,.form-grid{grid-template-columns:1fr}
      .product-card.large,.product-card.wide{grid-column:span 1}
      .showcase-grid{grid-auto-rows:auto}
      .product-card{min-height:210px}
      .section{padding:58px 0}
      .section-tight{padding:46px 0}
      .cta-panel{padding:26px;border-radius:28px}
      .review-card{min-width:270px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root{
      --color-primary:#0f9f8f;
      --color-primary-dark:#087c72;
      --color-primary-soft:#e3f7f3;
      --color-secondary:#ff9f68;
      --color-secondary-soft:#fff0e7;
      --color-bg:#fbf7ef;
      --color-bg-soft:#f2faf7;
      --color-surface:#ffffff;
      --color-text:#243331;
      --color-muted:#667774;
      --color-light:#eef5f2;
      --color-border:#dce8e4;
      --color-footer:#153c39;
      --shadow-sm:0 10px 28px rgba(15, 87, 78, .08);
      --shadow-md:0 18px 48px rgba(15, 87, 78, .13);
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --radius-pill:999px;
      --container:1200px;
      --nav-height:76px;
      --transition:.22s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
      background:var(--color-bg);
      color:var(--color-text);
      line-height:1.78;
      font-size:16px;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;background:none;cursor:pointer}
    :focus-visible{
      outline:3px solid rgba(15,159,143,.28);
      outline-offset:3px;
      border-radius:12px;
    }
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-soft{background:var(--color-bg-soft)}
    .section-title{
      max-width:760px;
      margin-bottom:34px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:var(--radius-pill);
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      font-weight:700;
      font-size:14px;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;
      border-radius:50%;
      background:var(--color-secondary);
      box-shadow:0 0 0 4px rgba(255,159,104,.18);
    }
    h1,h2,h3{line-height:1.25;color:#203230;letter-spacing:-.02em}
    h1{
      font-size:clamp(32px,5vw,52px);
      font-weight:800;
      max-width:860px;
      margin:0 0 18px;
    }
    h2{font-size:clamp(26px,3.4vw,38px);font-weight:760;margin-bottom:12px}
    h3{font-size:21px;font-weight:720}
    p{color:var(--color-muted)}
    .lead{
      font-size:18px;
      max-width:790px;
      color:#526764;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(251,247,239,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,232,228,.82);
      transition:box-shadow var(--transition), background var(--transition);
    }
    .site-header.is-scrolled{
      background:rgba(255,255,255,.96);
      box-shadow:0 10px 30px rgba(15,63,58,.08);
    }
    .header-inner{
      min-height:var(--nav-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      color:#173936;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;height:42px;
      border-radius:15px;
      background:linear-gradient(135deg,var(--color-primary),#4bc6b7);
      display:grid;
      place-items:center;
      box-shadow:0 12px 26px rgba(15,159,143,.26);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::before,.brand-mark::after{
      content:"";
      position:absolute;
      border-radius:50%;
      background:rgba(255,255,255,.34);
    }
    .brand-mark::before{width:22px;height:22px;right:-4px;top:4px}
    .brand-mark::after{width:14px;height:14px;left:8px;bottom:7px}
    .brand-mark span{
      width:17px;height:17px;
      border-radius:6px;
      border:3px solid #fff;
      transform:rotate(45deg);
      z-index:1;
    }
    .brand-text{font-size:19px;letter-spacing:-.01em}
    .nav-menu{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:0 15px;
      border-radius:var(--radius-pill);
      color:#415854;
      font-weight:680;
      transition:background var(--transition),color var(--transition),transform var(--transition);
      position:relative;
    }
    .nav-link:hover{
      color:var(--color-primary-dark);
      background:rgba(15,159,143,.08);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:var(--color-primary-dark);
      background:var(--color-primary-soft);
    }
    .nav-cta{margin-left:8px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border-radius:var(--radius-pill);
      font-weight:750;
      line-height:1;
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--color-primary);
      color:#fff;
      box-shadow:0 12px 24px rgba(15,159,143,.22);
    }
    .btn-primary:hover{
      background:var(--color-primary-dark);
      transform:translateY(-2px);
      box-shadow:0 16px 30px rgba(8,124,114,.25);
    }
    .btn-secondary{
      background:#fff;
      color:var(--color-primary-dark);
      border-color:rgba(15,159,143,.22);
    }
    .btn-secondary:hover{
      background:var(--color-primary-soft);
      transform:translateY(-2px);
    }
    .btn-ghost{
      min-height:auto;
      padding:0;
      color:var(--color-primary-dark);
      font-weight:760;
    }
    .btn-ghost::after{
      content:"→";
      margin-left:7px;
      transition:transform var(--transition);
    }
    .btn-ghost:hover::after{transform:translateX(4px)}
    .menu-toggle{
      display:none;
      width:44px;height:44px;
      border-radius:14px;
      border:1px solid var(--color-border);
      background:#fff;
      color:#173936;
      align-items:center;
      justify-content:center;
    }
    .menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
      content:"";
      width:20px;height:2px;
      border-radius:4px;
      background:currentColor;
      display:block;
      position:relative;
      transition:var(--transition);
    }
    .menu-toggle span::before{position:absolute;top:-7px}
    .menu-toggle span::after{position:absolute;top:7px}
    .menu-toggle.is-open span{background:transparent}
    .menu-toggle.is-open span::before{top:0;transform:rotate(45deg);background:#173936}
    .menu-toggle.is-open span::after{top:0;transform:rotate(-45deg);background:#173936}

    .category-hero{
      padding:74px 0 54px;
      background:
        radial-gradient(circle at 12% 22%, rgba(255,159,104,.24), transparent 28%),
        radial-gradient(circle at 88% 10%, rgba(15,159,143,.22), transparent 30%),
        linear-gradient(180deg,#fbf7ef 0%,#f2faf7 100%);
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:46px;
      align-items:center;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:28px;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:var(--radius-pill);
      padding:8px 12px;
      background:#fff;
      border:1px solid rgba(15,159,143,.14);
      color:#45615d;
      font-size:14px;
      font-weight:650;
      box-shadow:0 8px 22px rgba(20,72,66,.05);
    }
    .hero-panel{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(220,232,228,.9);
      border-radius:32px;
      padding:22px;
      box-shadow:var(--shadow-md);
      position:relative;
    }
    .hero-panel::before{
      content:"精选";
      position:absolute;
      right:24px;top:-17px;
      background:var(--color-secondary);
      color:#fff;
      border-radius:var(--radius-pill);
      padding:8px 16px;
      font-weight:800;
      box-shadow:0 14px 26px rgba(255,159,104,.28);
    }
    .live-strip{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      background:#173936;
      color:#eafffb;
      border-radius:22px;
      padding:17px 18px;
      margin-bottom:16px;
    }
    .live-strip strong{font-size:18px;color:#fff}
    .pulse{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#bdf8ef;
      font-size:14px;
      font-weight:700;
    }
    .pulse::before{
      content:"";
      width:9px;height:9px;border-radius:50%;
      background:#69eadb;
      box-shadow:0 0 0 6px rgba(105,234,219,.16);
    }
    .mini-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .mini-card{
      min-height:132px;
      border-radius:22px;
      padding:18px;
      background:linear-gradient(135deg,#fff,#effbf8);
      border:1px solid var(--color-border);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .mini-card:nth-child(2){
      background:linear-gradient(135deg,#fff8f0,#fff);
    }
    .mini-card:nth-child(3){
      grid-column:span 2;
      min-height:118px;
      background:linear-gradient(135deg,#e8fbf7,#fff7ed);
    }
    .mini-card b{font-size:24px;color:#173936}
    .mini-card span{color:var(--color-muted);font-weight:650;font-size:14px}

    .filter-box{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:26px;
      padding:22px;
      box-shadow:var(--shadow-sm);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      margin-bottom:28px;
    }
    .filter-title{
      font-weight:800;
      color:#203230;
      min-width:max-content;
    }
    .filter-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .filter-btn{
      padding:9px 14px;
      border-radius:var(--radius-pill);
      border:1px solid var(--color-border);
      background:#fdfefa;
      color:#526764;
      font-weight:700;
      transition:var(--transition);
    }
    .filter-btn:hover,.filter-btn.active{
      background:var(--color-primary);
      border-color:var(--color-primary);
      color:#fff;
      transform:translateY(-1px);
    }

    .selection-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:24px;
    }
    .selection-card{
      position:relative;
      background:var(--color-surface);
      border:1px solid var(--color-border);
      border-radius:26px;
      padding:24px;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
      min-height:292px;
      display:flex;
      flex-direction:column;
    }
    .selection-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
      border-color:rgba(15,159,143,.34);
    }
    .selection-card.featured{
      grid-column:span 2;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
      background:
        radial-gradient(circle at 78% 16%, rgba(255,159,104,.2), transparent 28%),
        linear-gradient(135deg,#ffffff,#effbf8);
    }
    .card-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      border-radius:var(--radius-pill);
      padding:6px 10px;
      font-size:13px;
      font-weight:760;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
    }
    .badge.hot{
      background:var(--color-secondary-soft);
      color:#c75f23;
    }
    .status{
      color:#6d827e;
      background:#f5faf7;
      border:1px solid var(--color-border);
      border-radius:var(--radius-pill);
      padding:6px 10px;
      font-size:13px;
      font-weight:700;
    }
    .selection-card h3{margin-bottom:10px}
    .selection-card p{font-size:15px;line-height:1.7;margin-bottom:22px}
    .card-foot{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding-top:18px;
      border-top:1px solid rgba(220,232,228,.72);
    }
    .heat{
      display:flex;
      align-items:center;
      gap:6px;
      color:#cc6a2b;
      font-size:14px;
      font-weight:750;
    }
    .visual-stack{
      min-height:230px;
      border-radius:24px;
      background:
        linear-gradient(135deg,rgba(15,159,143,.14),rgba(255,159,104,.18)),
        repeating-linear-gradient(45deg,rgba(255,255,255,.55) 0 10px, rgba(255,255,255,.16) 10px 20px);
      display:grid;
      place-items:center;
      padding:18px;
    }
    .visual-card{
      width:86%;
      background:#fff;
      border:1px solid rgba(220,232,228,.88);
      border-radius:22px;
      padding:18px;
      box-shadow:0 18px 36px rgba(15,87,78,.12);
    }
    .bar{
      height:10px;
      border-radius:999px;
      background:#e9f3f0;
      overflow:hidden;
      margin:10px 0;
    }
    .bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--color-primary),#73d6c8)}
    .bar:nth-child(2) span{width:78%}
    .bar:nth-child(3) span{width:64%;background:linear-gradient(90deg,var(--color-secondary),#ffd2b3)}
    .bar:nth-child(4) span{width:88%}

    .advice-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:34px;
      align-items:start;
    }
    .advice-note{
      background:#173936;
      color:#f3fffc;
      border-radius:30px;
      padding:34px;
      position:sticky;
      top:104px;
      box-shadow:var(--shadow-md);
    }
    .advice-note p{color:#c9e2df}
    .advice-note .btn{margin-top:22px}
    .steps{
      display:grid;
      gap:18px;
    }
    .step-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:24px;
      padding:24px;
      display:grid;
      grid-template-columns:58px 1fr;
      gap:18px;
      box-shadow:var(--shadow-sm);
      transition:var(--transition);
    }
    .step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
    .step-num{
      width:54px;height:54px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      font-weight:850;
      font-size:20px;
    }

    .proof-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .proof-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:24px;
      padding:24px;
      box-shadow:var(--shadow-sm);
    }
    .proof-card strong{
      display:block;
      font-size:30px;
      color:#173936;
      margin-bottom:4px;
    }
    .proof-card span{color:var(--color-muted);font-size:14px;font-weight:650}

    .faq-list{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      align-items:start;
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:22px;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      color:#203230;
      font-weight:800;
      text-align:left;
    }
    .faq-question::after{
      content:"+";
      width:28px;height:28px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      flex:0 0 auto;
      transition:transform var(--transition),background var(--transition);
    }
    .faq-question[aria-expanded="true"]::after{
      content:"−";
      background:var(--color-primary);
      color:#fff;
      transform:rotate(180deg);
    }
    .faq-answer{
      display:none;
      padding:0 22px 22px;
    }
    .faq-answer p{font-size:15px;line-height:1.75}
    .faq-item.is-open .faq-answer{display:block}

    .contact-cta{
      background:
        radial-gradient(circle at 15% 25%,rgba(255,159,104,.22),transparent 28%),
        linear-gradient(135deg,#e5f8f4,#fff7ef);
      border-radius:34px;
      padding:38px;
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:30px;
      align-items:center;
      border:1px solid rgba(15,159,143,.16);
      box-shadow:var(--shadow-md);
    }
    .contact-points{
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .contact-points li{
      list-style:none;
      display:flex;
      align-items:center;
      gap:10px;
      color:#46625e;
      font-weight:650;
    }
    .contact-points li::before{
      content:"✓";
      width:24px;height:24px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:#fff;
      color:var(--color-primary-dark);
      font-weight:900;
    }
    .contact-form{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:28px;
      padding:24px;
      box-shadow:var(--shadow-sm);
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .form-field{display:flex;flex-direction:column;gap:7px}
    .form-field.full{grid-column:1/-1}
    .form-field label{
      color:#324945;
      font-weight:750;
      font-size:14px;
    }
    .form-field input,.form-field select,.form-field textarea{
      width:100%;
      border:1px solid var(--color-border);
      background:#fbfefa;
      border-radius:16px;
      padding:12px 14px;
      color:#243331;
      transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);
    }
    .form-field textarea{min-height:100px;resize:vertical}
    .form-field input:focus,.form-field select:focus,.form-field textarea:focus{
      outline:none;
      border-color:var(--color-primary);
      background:#fff;
      box-shadow:0 0 0 4px rgba(15,159,143,.12);
    }
    .form-tip{
      margin-top:12px;
      font-size:13px;
      color:#7a8d89;
    }
    .contact-form .btn{width:100%;margin-top:16px}

    .site-footer{
      background:var(--color-footer);
      color:#e8f5f2;
      padding:58px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .8fr .8fr 1fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.14);
    }
    .footer-brand .brand{color:#fff;margin-bottom:14px}
    .footer-brand .brand-mark{box-shadow:none}
    .footer-brand p,.footer-col p{
      color:#bdd1ce;
      font-size:14px;
      line-height:1.75;
    }
    .footer-col h3{
      color:#fff;
      font-size:17px;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:#c8dbd8;
      font-size:14px;
      transition:color var(--transition),transform var(--transition);
    }
    .footer-links a:hover{
      color:#ffd2b3;
      transform:translateX(3px);
    }
    .copyright{
      padding-top:22px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:#a9c3bf;
      font-size:14px;
      flex-wrap:wrap;
    }

    @media (max-width:1024px){
      .container{width:min(100% - 32px, var(--container))}
      .hero-grid,.advice-wrap,.contact-cta{grid-template-columns:1fr}
      .selection-grid{grid-template-columns:repeat(2,1fr)}
      .selection-card.featured{grid-column:span 2}
      .proof-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .advice-note{position:relative;top:auto}
    }
    @media (max-width:820px){
      .menu-toggle{display:inline-flex}
      .nav-menu{
        position:absolute;
        top:calc(100% + 1px);
        left:16px;
        right:16px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:16px;
        border-radius:22px;
        background:#fff;
        border:1px solid var(--color-border);
        box-shadow:var(--shadow-md);
      }
      .nav-menu.is-open{display:flex}
      .nav-link{justify-content:center;min-height:46px}
      .nav-cta{margin-left:0}
      .nav-cta .btn{width:100%}
      .header-inner{min-height:68px}
      .brand-text{font-size:17px}
      .filter-box{align-items:flex-start;flex-direction:column}
      .filter-tags{justify-content:flex-start}
      .faq-list{grid-template-columns:1fr}
    }
    @media (max-width:640px){
      .section{padding:58px 0}
      .category-hero{padding:52px 0 42px}
      .container{width:min(100% - 28px, var(--container))}
      .hero-actions{flex-direction:column}
      .hero-actions .btn{width:100%}
      .mini-grid{grid-template-columns:1fr}
      .mini-card:nth-child(3){grid-column:auto}
      .selection-grid{grid-template-columns:1fr}
      .selection-card.featured{
        grid-column:auto;
        display:flex;
      }
      .visual-stack{min-height:190px}
      .proof-grid{grid-template-columns:1fr}
      .step-card{grid-template-columns:1fr}
      .contact-cta{padding:24px;border-radius:26px}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:420px){
      body{font-size:15px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .selection-card,.contact-form,.advice-note{padding:20px}
      .filter-box{padding:18px}
      .btn{width:100%}
      .card-foot{align-items:flex-start;flex-direction:column}
    }

/* roulang page: category2 */
:root{
      --bg:#fffaf1;
      --bg-soft:#f2fbf8;
      --bg-mint:#eaf7f3;
      --surface:#ffffff;
      --surface-2:#fbf5ea;
      --text:#20302f;
      --muted:#667977;
      --weak:#8a9a98;
      --primary:#159a8c;
      --primary-dark:#0f796f;
      --primary-soft:#dff5f0;
      --accent:#f29b52;
      --accent-soft:#fff0df;
      --coral:#ee7767;
      --border:#dce9e5;
      --border-warm:#eadfce;
      --shadow:0 18px 48px rgba(34,75,69,.10);
      --shadow-hover:0 22px 60px rgba(21,154,140,.18);
      --radius-sm:14px;
      --radius:22px;
      --radius-lg:30px;
      --container:1200px;
      --header-h:78px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 0%, rgba(21,154,140,.12), transparent 30%),
        radial-gradient(circle at 95% 12%, rgba(242,155,82,.14), transparent 32%),
        var(--bg);
      line-height:1.78;
      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{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(21,154,140,.18)}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .skip-link{
      position:absolute;left:16px;top:-80px;z-index:2000;
      background:var(--primary);color:#fff;padding:10px 14px;border-radius:999px;
      transition:var(--ease)
    }
    .skip-link:focus{top:16px}
    .site-header{
      position:sticky;top:0;z-index:1000;
      background:rgba(255,250,241,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,233,229,.75);
      transition:var(--ease)
    }
    .site-header.is-scrolled{box-shadow:0 10px 35px rgba(32,48,47,.08);background:rgba(255,250,241,.96)}
    .nav-wrap{
      min-height:var(--header-h);
      display:flex;align-items:center;justify-content:space-between;gap:24px
    }
    .brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.02em}
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;position:relative;overflow:hidden;
      background:linear-gradient(135deg,var(--primary),#56c7b4 62%,var(--accent));
      box-shadow:0 12px 28px rgba(21,154,140,.24)
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;border-radius:999px;background:rgba(255,255,255,.72)
    }
    .brand-mark:before{width:20px;height:8px;left:9px;top:13px}
    .brand-mark:after{width:8px;height:20px;right:10px;bottom:9px}
    .brand-mark span{
      width:13px;height:13px;border-radius:5px;background:#fff;
      transform:rotate(45deg);box-shadow:0 0 0 5px rgba(255,255,255,.20)
    }
    .brand-text{font-size:20px;color:var(--text);white-space:nowrap}
    .nav-menu{display:flex;align-items:center;gap:8px}
    .nav-link{
      position:relative;
      padding:10px 15px;border-radius:999px;
      color:#415553;font-weight:650;font-size:15px;
      transition:var(--ease)
    }
    .nav-link:hover{color:var(--primary-dark);background:rgba(21,154,140,.08)}
    .nav-link.active{
      color:var(--primary-dark);
      background:var(--primary-soft)
    }
    .nav-link.active:after{
      content:"";position:absolute;left:50%;bottom:5px;width:18px;height:3px;
      border-radius:999px;background:var(--primary);transform:translateX(-50%)
    }
    .nav-cta{margin-left:8px}
    .menu-toggle{
      display:none;align-items:center;justify-content:center;
      width:46px;height:46px;border-radius:15px;
      border:1px solid var(--border);background:#fff;color:var(--text);
      transition:var(--ease)
    }
    .menu-toggle:hover{border-color:var(--primary);box-shadow:0 8px 22px rgba(21,154,140,.12)}
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      content:"";display:block;width:20px;height:2px;border-radius:999px;background:var(--text);transition:var(--ease)
    }
    .menu-toggle span:before{transform:translateY(-7px)}
    .menu-toggle span:after{transform:translateY(5px)}
    .menu-toggle.is-open span{background:transparent}
    .menu-toggle.is-open span:before{transform:rotate(45deg)}
    .menu-toggle.is-open span:after{transform:rotate(-45deg) translate(1px,-1px)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 20px;border-radius:999px;
      font-weight:750;line-height:1;border:1px solid transparent;
      transition:var(--ease);white-space:nowrap
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--primary),#24b6a5);
      box-shadow:0 12px 28px rgba(21,154,140,.24)
    }
    .btn-primary:hover{background:linear-gradient(135deg,var(--primary-dark),var(--primary));transform:translateY(-2px);box-shadow:0 16px 34px rgba(21,154,140,.30)}
    .btn-secondary{
      background:#fff;color:var(--primary-dark);border-color:rgba(21,154,140,.25)
    }
    .btn-secondary:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-2px)}
    .btn-accent{
      background:linear-gradient(135deg,var(--accent),#f5b16f);color:#fff;box-shadow:0 12px 28px rgba(242,155,82,.25)
    }
    .btn-accent:hover{transform:translateY(-2px);filter:saturate(1.05) brightness(.98)}
    .text-link{
      display:inline-flex;align-items:center;gap:6px;
      color:var(--primary-dark);font-weight:750;transition:var(--ease)
    }
    .text-link:after{content:"→";transition:var(--ease)}
    .text-link:hover:after{transform:translateX(4px)}
    .btn:focus-visible,.nav-link:focus-visible,.brand:focus-visible,.menu-toggle:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,.text-link:focus-visible{
      outline:3px solid rgba(21,154,140,.24);outline-offset:3px
    }
    main{overflow:hidden}
    .section{padding:88px 0}
    .section.alt{background:linear-gradient(180deg,rgba(242,251,248,.80),rgba(255,250,241,.90))}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:var(--primary-soft);color:var(--primary-dark);
      font-weight:760;font-size:14px;margin-bottom:14px
    }
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(32px,4.2vw,54px);
      line-height:1.16;margin-bottom:20px;letter-spacing:-.035em;font-weight:820
    }
    h2{
      font-size:clamp(25px,3vw,36px);
      line-height:1.28;margin-bottom:12px;letter-spacing:-.025em;font-weight:780
    }
    h3{font-size:21px;line-height:1.35;margin-bottom:10px;font-weight:760}
    p{color:var(--muted);margin-bottom:0}
    .lead{font-size:18px;line-height:1.85;color:#506461;max-width:760px}
    .hero{
      position:relative;padding:72px 0 76px;
      background:
        linear-gradient(135deg,rgba(234,247,243,.88),rgba(255,245,230,.65)),
        radial-gradient(circle at 80% 15%, rgba(242,155,82,.22), transparent 30%);
      border-bottom:1px solid rgba(220,233,229,.75)
    }
    .hero:before{
      content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
      background-image:
        linear-gradient(rgba(21,154,140,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(21,154,140,.08) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(90deg,#000,transparent 75%)
    }
    .hero-grid{
      position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center
    }
    .hero-copy .lead{max-width:720px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
    .tag,.badge{
      display:inline-flex;align-items:center;gap:6px;
      padding:7px 11px;border-radius:999px;font-size:13px;font-weight:720
    }
    .tag{background:#fff;border:1px solid var(--border);color:#526865}
    .tag strong{color:var(--primary-dark)}
    .badge{background:var(--accent-soft);color:#a65f20}
    .assurance-panel{
      position:relative;border-radius:var(--radius-lg);
      background:rgba(255,255,255,.86);
      border:1px solid rgba(220,233,229,.95);
      box-shadow:var(--shadow);
      padding:24px;
      overflow:hidden
    }
    .assurance-panel:before{
      content:"";position:absolute;right:-70px;top:-80px;width:190px;height:190px;
      border-radius:50%;background:rgba(21,154,140,.12)
    }
    .status-strip{
      position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;
      padding:14px 16px;border-radius:18px;background:#20302f;color:#fff;margin-bottom:18px
    }
    .status-strip span{display:inline-flex;align-items:center;gap:8px;font-weight:760}
    .status-strip span:before{
      content:"";width:9px;height:9px;border-radius:50%;background:#74e0be;box-shadow:0 0 0 6px rgba(116,224,190,.16)
    }
    .status-strip small{color:#cde5df}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .metric-card{
      position:relative;padding:20px;border-radius:22px;background:#fff;
      border:1px solid var(--border);transition:var(--ease)
    }
    .metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .metric-card b{display:block;font-size:30px;line-height:1;color:var(--primary-dark);margin-bottom:8px}
    .metric-card span{display:block;color:var(--muted);font-size:14px;line-height:1.6}
    .panel-note{
      margin-top:14px;padding:16px;border-radius:20px;background:var(--accent-soft);
      border:1px solid #f5ddc2;color:#75502d;font-size:14px;line-height:1.7
    }
    .service-list{display:grid;gap:18px}
    .service-row{
      display:grid;grid-template-columns:72px 1fr auto;gap:20px;align-items:center;
      padding:22px;border-radius:26px;background:#fff;border:1px solid var(--border);
      box-shadow:0 10px 30px rgba(34,75,69,.06);transition:var(--ease)
    }
    .service-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(21,154,140,.35)}
    .row-icon{
      width:58px;height:58px;border-radius:19px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary-soft),#fff);color:var(--primary-dark);font-size:25px
    }
    .service-row h3{margin-bottom:4px}
    .service-row p{font-size:15px;max-width:680px}
    .row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
    .pill{
      display:inline-flex;align-items:center;justify-content:center;
      padding:6px 10px;border-radius:999px;background:#f6fbfa;
      color:var(--primary-dark);border:1px solid var(--border);font-size:13px;font-weight:720
    }
    .plans{
      display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch
    }
    .plan-card{
      position:relative;background:#fff;border:1px solid var(--border);
      border-radius:28px;padding:26px;box-shadow:0 14px 38px rgba(34,75,69,.07);
      transition:var(--ease);overflow:hidden
    }
    .plan-card:nth-child(2){transform:translateY(-12px);border-color:rgba(21,154,140,.42);box-shadow:0 20px 52px rgba(21,154,140,.14)}
    .plan-card:nth-child(2):before{
      content:"推荐了解";position:absolute;right:18px;top:18px;
      padding:6px 10px;border-radius:999px;background:var(--primary);color:#fff;font-size:12px;font-weight:780
    }
    .plan-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
    .plan-card:nth-child(2):hover{transform:translateY(-18px)}
    .plan-top{padding-bottom:18px;border-bottom:1px dashed var(--border);margin-bottom:18px}
    .plan-kicker{color:var(--accent);font-weight:800;font-size:14px;margin-bottom:8px}
    .plan-card ul{list-style:none;padding:0;margin:18px 0 22px;display:grid;gap:12px}
    .plan-card li{
      position:relative;padding-left:26px;color:#526865;font-size:15px
    }
    .plan-card li:before{
      content:"✓";position:absolute;left:0;top:0;color:var(--primary);font-weight:900
    }
    .compare-box{
      margin-top:34px;background:#fff;border:1px solid var(--border);border-radius:28px;overflow:hidden;box-shadow:var(--shadow)
    }
    .compare-row{
      display:grid;grid-template-columns:1.1fr repeat(3,1fr);
      border-bottom:1px solid var(--border)
    }
    .compare-row:last-child{border-bottom:0}
    .compare-cell{padding:17px 18px;color:#5a6f6c;font-size:15px}
    .compare-cell:first-child{font-weight:760;color:var(--text);background:#f7fcfa}
    .compare-head .compare-cell{
      background:#20302f;color:#fff;font-weight:780
    }
    .timeline{
      position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px
    }
    .timeline:before{
      content:"";position:absolute;left:8%;right:8%;top:41px;height:2px;
      background:linear-gradient(90deg,var(--primary),rgba(242,155,82,.75));z-index:0
    }
    .time-card{
      position:relative;z-index:1;padding:22px;border-radius:24px;
      background:#fff;border:1px solid var(--border);box-shadow:0 12px 32px rgba(34,75,69,.07)
    }
    .time-no{
      width:42px;height:42px;border-radius:15px;display:grid;place-items:center;
      background:var(--primary);color:#fff;font-weight:850;margin-bottom:18px;
      box-shadow:0 10px 24px rgba(21,154,140,.24)
    }
    .time-card p{font-size:15px;line-height:1.7}
    .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .case-card{
      display:grid;grid-template-columns:110px 1fr;gap:20px;align-items:center;
      background:#fff;border:1px solid var(--border);border-radius:28px;padding:24px;
      box-shadow:0 12px 34px rgba(34,75,69,.07);transition:var(--ease)
    }
    .case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .case-avatar{
      width:92px;height:92px;border-radius:28px;
      background:
        radial-gradient(circle at 35% 28%, rgba(255,255,255,.9), transparent 22%),
        linear-gradient(135deg,var(--primary),#82d9c8 58%,var(--accent));
      display:grid;place-items:center;color:#fff;font-size:30px;font-weight:850
    }
    .stars{color:#f2a13b;letter-spacing:2px;font-size:14px;margin-bottom:8px}
    .case-card blockquote{margin:0;color:#4d625f;font-size:15px;line-height:1.75}
    .case-card cite{display:block;margin-top:10px;color:var(--weak);font-style:normal;font-size:14px}
    .faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:36px;align-items:start}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      background:#fff;border:1px solid var(--border);border-radius:22px;overflow:hidden;
      box-shadow:0 10px 26px rgba(34,75,69,.05)
    }
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:20px 22px;text-align:left;color:var(--text);font-weight:760
    }
    .faq-icon{
      flex:0 0 auto;width:28px;height:28px;border-radius:50%;
      background:var(--primary-soft);color:var(--primary-dark);display:grid;place-items:center;
      transition:var(--ease);font-weight:900
    }
    .faq-answer{
      max-height:0;overflow:hidden;transition:max-height .28s ease;
      border-top:1px solid transparent
    }
    .faq-answer p{padding:0 22px 20px;font-size:15px;line-height:1.75}
    .faq-item.is-open .faq-answer{max-height:220px;border-top-color:var(--border)}
    .faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
    .contact-card{
      border-radius:30px;background:
        radial-gradient(circle at 85% 10%, rgba(242,155,82,.22), transparent 28%),
        linear-gradient(135deg,#173f3a,#1c5a51);
      padding:36px;color:#fff;position:relative;overflow:hidden
    }
    .contact-card:before{
      content:"";position:absolute;right:-70px;bottom:-90px;width:240px;height:240px;border-radius:50%;
      background:rgba(255,255,255,.08)
    }
    .contact-grid{position:relative;display:grid;grid-template-columns:.88fr 1.12fr;gap:34px;align-items:start}
    .contact-card h2,.contact-card p{color:#fff}
    .contact-card p{color:#d7ece7}
    .contact-points{display:grid;gap:12px;margin-top:24px}
    .contact-point{
      display:flex;gap:10px;align-items:flex-start;color:#e8f7f3;font-size:15px
    }
    .contact-point:before{content:"●";color:#f5b16f}
    .form{
      background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.55);
      border-radius:26px;padding:22px;color:var(--text);box-shadow:0 18px 45px rgba(0,0,0,.12)
    }
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px;margin-bottom:14px}
    .field label{font-size:14px;font-weight:760;color:#405653}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid var(--border);background:#fff;border-radius:15px;
      padding:12px 13px;color:var(--text);outline:none;transition:var(--ease)
    }
    .field textarea{min-height:104px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:var(--primary);box-shadow:0 0 0 4px rgba(21,154,140,.12)
    }
    .form small{display:block;color:var(--muted);line-height:1.6;margin-top:10px}
    .site-footer{
      background:#163b37;color:#dce9e5;padding:58px 0 24px
    }
    .footer-grid{
      display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:34px;margin-bottom:34px
    }
    .footer-brand .brand-text{color:#fff}
    .footer-brand p,.footer-col p{color:#b9cbc7;font-size:14px;line-height:1.75;margin-top:14px}
    .footer-col h3{color:#fff;font-size:16px;margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#c5d8d4;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:#f5b16f;transform:translateX(3px)}
    .copyright{
      border-top:1px solid rgba(220,233,229,.16);
      padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:18px;
      color:#abc0bc;font-size:14px
    }
    @media (max-width:1024px){
      .container{width:min(100% - 32px, var(--container))}
      .hero-grid,.contact-grid,.faq-wrap{grid-template-columns:1fr}
      .plans{grid-template-columns:1fr;gap:18px}
      .plan-card:nth-child(2),.plan-card:nth-child(2):hover{transform:none}
      .timeline{grid-template-columns:repeat(2,1fr)}
      .timeline:before{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
      .compare-row{grid-template-columns:1.1fr repeat(3,.9fr)}
    }
    @media (max-width:820px){
      .menu-toggle{display:flex}
      .nav-menu{
        position:absolute;left:16px;right:16px;top:calc(100% + 10px);
        display:none;flex-direction:column;align-items:stretch;gap:8px;
        padding:14px;background:rgba(255,250,241,.98);border:1px solid var(--border);
        border-radius:24px;box-shadow:var(--shadow)
      }
      .nav-menu.is-open{display:flex}
      .nav-link{padding:14px 16px}
      .nav-link.active:after{display:none}
      .nav-cta{margin-left:0}
      .nav-cta .btn{width:100%}
      .section{padding:62px 0}
      .hero{padding:48px 0 56px}
      .section-head{display:block}
      .service-row{grid-template-columns:58px 1fr}
      .row-meta{grid-column:1/-1;align-items:flex-start;flex-direction:row;flex-wrap:wrap}
      .metric-grid,.case-grid{grid-template-columns:1fr}
      .case-card{grid-template-columns:82px 1fr}
      .case-avatar{width:72px;height:72px;border-radius:22px}
      .compare-box{overflow-x:auto}
      .compare-row{min-width:720px}
    }
    @media (max-width:560px){
      .container{width:min(100% - 24px, var(--container))}
      .brand-text{font-size:18px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .hero-actions,.form-row{display:grid;grid-template-columns:1fr}
      .btn{width:100%;min-height:48px}
      .hero-tags{gap:8px}
      .service-row{grid-template-columns:1fr;padding:20px}
      .row-icon{width:54px;height:54px}
      .timeline{grid-template-columns:1fr}
      .case-card{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column;align-items:flex-start}
      .contact-card{padding:24px}
      .assurance-panel{padding:18px}
      .status-strip{align-items:flex-start;flex-direction:column}
      h1{letter-spacing:-.02em}
    }