/* roulang page: index */
:root{
      --primary:#123C36;
      --primary-2:#16463F;
      --accent:#D9853B;
      --accent-2:#C9772E;
      --bg:#F7F3EA;
      --bg-soft:#F5F7F4;
      --text:#17211F;
      --muted:#68766F;
      --line:#E2DDD2;
      --line-2:#D8E0DA;
      --mint:#EEF4EF;
      --sand:#FFF4E8;
      --dark:#0F2A27;
      --shadow:0 16px 50px rgba(18,60,54,.08);
      --shadow-hover:0 22px 70px rgba(18,60,54,.14);
      --radius:28px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(217,133,59,.14), transparent 28%),
        radial-gradient(circle at 86% 14%, rgba(18,60,54,.12), transparent 30%),
        linear-gradient(180deg,var(--bg) 0%,#FBFAF5 42%,var(--bg-soft) 100%);
      line-height:1.85;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.34;
      background-image:
        linear-gradient(rgba(18,60,54,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(18,60,54,.055) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 72%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .site-container{width:min(1180px, calc(100% - 40px));margin-inline:auto}
    .section{padding:92px 0}
    .section-tight{padding:68px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 14px;border-radius:999px;
      background:rgba(238,244,239,.9);
      border:1px solid rgba(216,224,218,.9);
      color:var(--primary);
      font-weight:700;font-size:14px;line-height:1.4;
    }
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 5px rgba(217,133,59,.13)}
    .section-title{font-size:clamp(28px,4vw,46px);line-height:1.18;font-weight:800;letter-spacing:-.02em;color:var(--text)}
    .section-desc{font-size:17px;color:var(--muted);max-width:760px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      min-height:50px;padding:0 22px;border-radius:999px;
      font-weight:800;border:1px solid transparent;
      transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
      line-height:1;
    }
    .btn-primary{background:var(--primary);color:white;box-shadow:0 12px 28px rgba(18,60,54,.2)}
    .btn-primary:hover{transform:translateY(-2px);background:#0c302b;box-shadow:0 18px 42px rgba(18,60,54,.28)}
    .btn-accent{background:var(--accent);color:white;box-shadow:0 12px 28px rgba(217,133,59,.22)}
    .btn-accent:hover{transform:translateY(-2px);background:var(--accent-2);box-shadow:0 18px 42px rgba(217,133,59,.3)}
    .btn-secondary{background:rgba(255,255,255,.62);color:var(--primary);border-color:var(--line-2)}
    .btn-secondary:hover{transform:translateY(-2px);background:var(--mint);border-color:rgba(18,60,54,.25)}
    .btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible{
      outline:none;box-shadow:0 0 0 4px rgba(217,133,59,.24),0 0 0 1px var(--accent)
    }
    .card{
      border:1px solid rgba(226,221,210,.82);
      background:rgba(255,255,255,.68);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
      overflow:hidden;
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(217,133,59,.36)}
    .nav-wrap{
      position:sticky;top:0;z-index:50;
      background:rgba(247,243,234,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(226,221,210,.82);
    }
    .nav-inner{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px}
    .nav-side{display:flex;align-items:center;gap:10px}
    .nav-side.left{justify-content:flex-start}
    .nav-side.right{justify-content:flex-end}
    .nav-link{
      min-height:40px;display:inline-flex;align-items:center;
      padding:0 15px;border-radius:999px;color:var(--primary);
      font-weight:800;font-size:15px;
    }
    .nav-link:hover{background:var(--mint);color:#0b302b}
    .nav-link.active{background:var(--primary);color:white;box-shadow:0 10px 24px rgba(18,60,54,.16)}
    .brand{
      display:flex;align-items:center;gap:12px;padding:9px 16px;border-radius:999px;
      background:rgba(255,255,255,.72);border:1px solid rgba(226,221,210,.95);
      box-shadow:0 10px 32px rgba(18,60,54,.08);
      white-space:nowrap;
    }
    .brand-mark{
      width:40px;height:40px;border-radius:16px;background:var(--primary);
      color:white;display:grid;place-items:center;font-weight:900;letter-spacing:-.03em;
      position:relative;overflow:hidden;
    }
    .brand-mark:after{content:"";position:absolute;right:-8px;bottom:-8px;width:22px;height:22px;border-radius:50%;background:var(--accent)}
    .brand-text{display:flex;flex-direction:column;line-height:1.08}
    .brand-text strong{font-size:17px;color:var(--primary);font-weight:900}
    .brand-text span{font-size:12px;color:var(--muted);font-weight:700}
    .mobile-top{display:none;height:70px;align-items:center;justify-content:space-between}
    .menu-btn{width:46px;height:46px;border-radius:16px;border:1px solid var(--line-2);background:rgba(255,255,255,.72);color:var(--primary);font-weight:900}
    .mobile-menu{display:none;padding:0 0 18px}
    .mobile-menu.open{display:grid;gap:10px}
    .mobile-menu .nav-link{justify-content:center;background:rgba(255,255,255,.7)}
    .hero{padding:76px 0 42px;position:relative}
    .hero-grid{display:grid;grid-template-columns:6.5fr 5.5fr;gap:46px;align-items:center}
    .hero h1{font-size:clamp(34px,5.3vw,64px);line-height:1.1;font-weight:900;letter-spacing:-.045em;color:var(--text)}
    .hero h1 em{font-style:normal;color:var(--primary);position:relative}
    .hero h1 em:after{
      content:"";position:absolute;left:0;right:0;bottom:5px;height:12px;background:rgba(217,133,59,.22);z-index:-1;border-radius:999px
    }
    .hero-copy{font-size:18px;color:var(--muted);max-width:680px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
    .tag{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:rgba(255,255,255,.68);border:1px solid rgba(226,221,210,.85);
      color:var(--muted);font-size:14px;font-weight:700;
    }
    .visual-panel{position:relative;border-radius:34px;padding:16px;background:linear-gradient(135deg,rgba(255,255,255,.72),rgba(238,244,239,.58));border:1px solid rgba(226,221,210,.9);box-shadow:var(--shadow)}
    .visual-image{height:430px;border-radius:28px;overflow:hidden;position:relative;background:var(--mint)}
    .visual-image img{width:100%;height:100%;object-fit:cover}
    .visual-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,42,39,.05),rgba(15,42,39,.58))}
    .float-card{
      position:absolute;left:34px;right:34px;bottom:34px;
      border-radius:24px;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);
      border:1px solid rgba(255,255,255,.62);padding:20px;box-shadow:0 18px 55px rgba(15,42,39,.18)
    }
    .mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
    .mini-box{border-radius:18px;background:var(--mint);padding:12px;text-align:center}
    .mini-box strong{display:block;color:var(--primary);font-size:20px;line-height:1.1}
    .mini-box span{font-size:12px;color:var(--muted);font-weight:700}
    .trustbar{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .trust-item{padding:18px 20px;border-radius:24px;background:rgba(255,255,255,.56);border:1px solid var(--line);display:flex;gap:12px;align-items:flex-start}
    .dot-icon{width:32px;height:32px;border-radius:13px;background:var(--sand);color:var(--accent);display:grid;place-items:center;font-weight:900;flex:0 0 auto}
    .bento{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:18px;margin-top:38px}
    .bento .feature-main{grid-row:span 2;background:linear-gradient(145deg,var(--primary),#0F2A27);color:white;padding:34px}
    .feature-card{padding:28px}
    .feature-main .section-desc,.feature-main p{color:rgba(255,255,255,.78)}
    .feature-icon{width:46px;height:46px;border-radius:18px;background:var(--sand);color:var(--accent);display:grid;place-items:center;font-weight:900;margin-bottom:18px}
    .feature-main .feature-icon{background:rgba(217,133,59,.16);color:#FFD1A5;border:1px solid rgba(255,255,255,.14)}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:900;margin-top:16px}
    .text-link:hover{color:var(--accent);transform:translateX(3px)}
    .feature-main .text-link{color:#FFD1A5}
    .data-band{background:linear-gradient(135deg,var(--dark),#143A35);border-radius:36px;padding:42px;color:white;position:relative;overflow:hidden}
    .data-band:before{content:"";position:absolute;right:-80px;top:-90px;width:260px;height:260px;border-radius:50%;background:rgba(217,133,59,.16)}
    .data-grid{display:grid;grid-template-columns:1.25fr repeat(4,1fr);gap:18px;align-items:stretch;position:relative}
    .data-intro{padding-right:20px}
    .data-item{border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:24px;background:rgba(255,255,255,.06)}
    .data-item strong{display:block;color:#FFD1A5;font-size:34px;line-height:1;font-weight:900;margin-bottom:12px}
    .data-item span{color:rgba(255,255,255,.78);font-size:14px}
    .scene-grid{display:grid;grid-template-columns:5fr 7fr;gap:30px;align-items:center;margin-top:38px}
    .scene-image{border-radius:34px;overflow:hidden;height:520px;position:relative;border:1px solid var(--line);box-shadow:var(--shadow)}
    .scene-image img{width:100%;height:100%;object-fit:cover}
    .scene-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(15,42,39,.45))}
    .timeline{display:grid;gap:16px}
    .scene-card{padding:24px 26px;border-radius:28px;background:rgba(255,255,255,.72);border:1px solid var(--line);box-shadow:0 12px 36px rgba(18,60,54,.06);display:grid;grid-template-columns:auto 1fr;gap:16px}
    .scene-num{width:42px;height:42px;border-radius:16px;background:var(--primary);color:white;display:grid;place-items:center;font-weight:900}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:38px;position:relative}
    .step{padding:26px;border-radius:28px;background:rgba(255,255,255,.72);border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
    .step-number{width:44px;height:44px;border-radius:999px;background:var(--accent);color:white;display:grid;place-items:center;font-weight:900;margin-bottom:18px}
    .faq-list{margin-top:34px;display:grid;gap:14px}
    .faq-item{border-radius:24px;border:1px solid var(--line);background:rgba(255,255,255,.7);overflow:hidden}
    .faq-q{width:100%;min-height:62px;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px;background:transparent;border:0;text-align:left;color:var(--text);font-weight:900}
    .faq-q span:last-child{width:30px;height:30px;border-radius:50%;background:var(--mint);color:var(--primary);display:grid;place-items:center;flex:0 0 auto}
    .faq-a{display:none;padding:0 22px 22px;color:var(--muted)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{background:var(--accent);color:white}
    .contact-shell{display:grid;grid-template-columns:5fr 7fr;gap:24px;background:linear-gradient(135deg,var(--dark),#143A35);border-radius:36px;padding:34px;color:white;overflow:hidden;position:relative}
    .contact-shell:before{content:"";position:absolute;left:-120px;bottom:-140px;width:320px;height:320px;border-radius:50%;background:rgba(217,133,59,.14)}
    .contact-info,.contact-form{position:relative}
    .contact-info p{color:rgba(255,255,255,.76)}
    .info-pill{display:flex;gap:12px;align-items:flex-start;padding:16px;border-radius:22px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);margin-top:14px}
    .contact-form{border-radius:30px;background:rgba(255,255,255,.94);padding:26px;color:var(--text)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field label{display:block;font-size:14px;font-weight:900;color:var(--primary);margin-bottom:8px}
    .field input,.field textarea,.field select{
      width:100%;border:1px solid var(--line-2);background:#FAFBF8;border-radius:18px;
      padding:13px 15px;color:var(--text);min-height:50px;transition:.2s ease
    }
    .field textarea{min-height:118px;resize:vertical}
    .field input:focus,.field textarea:focus,.field select:focus{border-color:var(--primary);background:white;box-shadow:0 0 0 4px rgba(18,60,54,.1);outline:none}
    .footer{background:var(--dark);color:rgba(255,255,255,.76);padding:58px 0 26px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:28px}
    .footer h3{color:white;font-size:16px;font-weight:900;margin-bottom:16px}
    .footer a{display:block;margin:9px 0;color:rgba(255,255,255,.72)}
    .footer a:hover{color:#FFD1A5;transform:translateX(3px)}
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
    .copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;font-size:14px;color:rgba(255,255,255,.58);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
    @media (max-width:1024px){
      .site-container{width:min(100% - 32px, 920px)}
      .desktop-nav{display:none}
      .mobile-top{display:flex}
      .nav-inner{height:auto;display:block}
      .hero-grid,.scene-grid,.contact-shell{grid-template-columns:1fr}
      .hero{padding-top:48px}
      .visual-image{height:380px}
      .bento{grid-template-columns:1fr 1fr}
      .bento .feature-main{grid-column:span 2;grid-row:auto}
      .data-grid{grid-template-columns:1fr 1fr}
      .data-intro{grid-column:span 2}
      .process{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .section{padding:64px 0}
      .section-tight{padding:52px 0}
      .hero-actions .btn{width:100%}
      .trustbar{grid-template-columns:1fr}
      .bento{grid-template-columns:1fr}
      .bento .feature-main{grid-column:auto}
      .data-grid{grid-template-columns:1fr}
      .data-intro{grid-column:auto}
      .scene-image{height:360px}
      .process{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .mini-grid{grid-template-columns:1fr}
      .float-card{left:22px;right:22px;bottom:22px}
      .footer-grid{grid-template-columns:1fr}
      .contact-shell{padding:24px;border-radius:28px}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 24px, 100%)}
      .brand{padding:7px 10px}
      .brand-text span{display:none}
      .hero h1{font-size:34px}
      .visual-image{height:340px}
      .card,.data-band{border-radius:24px}
      .section-title{font-size:28px}
    }

/* roulang page: category1 */
:root{
      --primary:#123C36;
      --primary-2:#16463F;
      --primary-dark:#0F2A27;
      --accent:#D9853B;
      --accent-2:#C9772E;
      --paper:#F7F3EA;
      --mist:#F5F7F4;
      --soft-green:#EEF4EF;
      --soft-orange:#FFF4E8;
      --text:#17211F;
      --muted:#68766F;
      --border:#E2DDD2;
      --border-green:#D8E0DA;
      --white:#FFFFFF;
      --radius-xl:24px;
      --radius-2xl:32px;
      --shadow-card:0 16px 50px rgba(18,60,54,.08);
      --shadow-hover:0 22px 70px rgba(18,60,54,.13);
      --shadow-nav:0 10px 30px rgba(18,60,54,.08);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      line-height:1.78;
      background:
        radial-gradient(circle at 8% 8%, rgba(217,133,59,.13), transparent 28%),
        radial-gradient(circle at 92% 4%, rgba(18,60,54,.12), transparent 30%),
        linear-gradient(180deg,var(--paper),#FBFAF5 38%,var(--mist));
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.34;
      background-image:
        linear-gradient(rgba(18,60,54,.045) 1px,transparent 1px),
        linear-gradient(90deg,rgba(18,60,54,.045) 1px,transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(to bottom,black,transparent 75%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    ::selection{background:rgba(217,133,59,.26);color:var(--primary-dark)}
    :focus-visible{outline:3px solid rgba(217,133,59,.45);outline-offset:3px;border-radius:14px}
    .site-container{
      width:min(var(--container),calc(100% - 40px));
      margin-inline:auto;
    }
    .nav-wrap{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(247,243,234,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(226,221,210,.82);
      box-shadow:var(--shadow-nav);
    }
    .nav-inner{
      min-height:78px;
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:22px;
    }
    .nav-side{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .nav-side.left{justify-content:flex-start}
    .nav-side.right{justify-content:flex-end}
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-height:54px;
      border-radius:999px;
      transition:transform .25s ease, background .25s ease;
    }
    .brand:hover{transform:translateY(-1px)}
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      color:#fff;
      font-weight:900;
      letter-spacing:.02em;
      background:
        radial-gradient(circle at 76% 22%, var(--accent) 0 10px, transparent 11px),
        linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 12px 28px rgba(18,60,54,.2);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.18;
      white-space:nowrap;
    }
    .brand-text strong{font-size:17px;color:var(--primary-dark);font-weight:850}
    .brand-text span{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-link{
      min-height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 17px;
      border-radius:999px;
      color:var(--primary);
      font-weight:750;
      font-size:15px;
      transition:background .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease;
    }
    .nav-link:hover{
      background:var(--soft-green);
      transform:translateY(-1px);
      box-shadow:0 8px 22px rgba(18,60,54,.08);
    }
    .nav-link.active{
      background:var(--primary);
      color:#fff;
      box-shadow:0 10px 24px rgba(18,60,54,.18);
    }
    .mobile-top{
      min-height:70px;
      display:none;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .menu-btn{
      width:46px;
      height:46px;
      border-radius:16px;
      background:var(--soft-green);
      color:var(--primary);
      font-size:22px;
      box-shadow:inset 0 0 0 1px var(--border-green);
      transition:background .25s ease,transform .25s ease;
    }
    .menu-btn:hover{background:#fff;transform:translateY(-1px)}
    .mobile-menu{
      display:none;
      padding:0 0 16px;
      gap:10px;
      flex-direction:column;
    }
    .mobile-menu.open{display:flex}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:32px;
      padding:6px 12px;
      border-radius:999px;
      background:rgba(238,244,239,.9);
      border:1px solid rgba(216,224,218,.9);
      color:var(--primary);
      font-size:13px;
      font-weight:800;
      letter-spacing:.02em;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(217,133,59,.14);
    }
    .page-hero{
      padding:54px 0 72px;
      position:relative;
      overflow:hidden;
    }
    .page-hero:after{
      content:"";
      position:absolute;
      right:-160px;
      top:20px;
      width:420px;
      height:420px;
      border-radius:999px;
      background:rgba(217,133,59,.12);
      filter:blur(4px);
      z-index:-1;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:22px;
      color:var(--muted);
      font-size:14px;
      font-weight:650;
    }
    .breadcrumb a{
      color:var(--primary);
      text-decoration:underline;
      text-decoration-color:rgba(18,60,54,.24);
      text-underline-offset:4px;
    }
    h1,h2,h3{margin:0;color:var(--text);letter-spacing:-.03em}
    h1{
      font-size:clamp(34px,5vw,58px);
      line-height:1.12;
      font-weight:900;
      max-width:760px;
    }
    h2{
      font-size:clamp(27px,3.7vw,42px);
      line-height:1.2;
      font-weight:880;
    }
    h3{
      font-size:22px;
      line-height:1.35;
      font-weight:820;
    }
    p{margin:0}
    .lead{
      margin-top:22px;
      max-width:720px;
      font-size:17px;
      line-height:1.9;
      color:var(--muted);
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(320px,.72fr);
      gap:38px;
      align-items:center;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:30px;
    }
    .btn{
      min-height:50px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:0 22px;
      border-radius:999px;
      font-weight:820;
      transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 15px 36px rgba(18,60,54,.18);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 44px rgba(18,60,54,.25);
      background:linear-gradient(135deg,var(--primary-2),var(--primary-dark));
    }
    .btn-accent{
      color:#fff;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));
      box-shadow:0 15px 34px rgba(217,133,59,.22);
    }
    .btn-accent:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(217,133,59,.3)}
    .btn-ghost{
      background:rgba(255,255,255,.66);
      color:var(--primary);
      border:1px solid var(--border-green);
    }
    .btn-ghost:hover{background:var(--soft-green);transform:translateY(-2px)}
    .visual-card{
      position:relative;
      min-height:390px;
      border-radius:var(--radius-2xl);
      overflow:hidden;
      box-shadow:var(--shadow-card);
      border:1px solid rgba(255,255,255,.72);
      background:var(--soft-green);
    }
    .visual-card img{
      width:100%;
      height:100%;
      min-height:390px;
      object-fit:cover;
      filter:saturate(.92) contrast(.98);
    }
    .visual-card:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(15,42,39,.05),rgba(15,42,39,.62));
    }
    .hero-panel{
      position:absolute;
      left:22px;
      right:22px;
      bottom:22px;
      z-index:2;
      padding:22px;
      border-radius:24px;
      color:#fff;
      background:rgba(15,42,39,.82);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(12px);
    }
    .panel-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
      margin-top:16px;
    }
    .panel-chip{
      padding:12px;
      border-radius:18px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.12);
      font-size:13px;
      line-height:1.45;
      color:rgba(255,255,255,.78);
    }
    .panel-chip strong{display:block;color:#fff;font-size:17px;margin-bottom:2px}
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:30px;
      align-items:flex-end;
      margin-bottom:34px;
    }
    .section-head p{
      max-width:560px;
      color:var(--muted);
      font-size:16px;
      line-height:1.85;
    }
    .content-layout{
      display:grid;
      grid-template-columns:300px minmax(0,1fr);
      gap:30px;
      align-items:start;
    }
    .side-stack{
      position:sticky;
      top:104px;
      display:grid;
      gap:16px;
    }
    .side-card,.intro-card,.content-card,.step-box,.faq-item,.recommend-card{
      border:1px solid rgba(226,221,210,.92);
      background:rgba(255,255,255,.72);
      box-shadow:var(--shadow-card);
      border-radius:var(--radius-xl);
    }
    .side-card{
      padding:22px;
    }
    .side-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      color:var(--primary-dark);
      font-weight:880;
      margin-bottom:14px;
    }
    .index-list{
      display:grid;
      gap:8px;
    }
    .index-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      min-height:44px;
      padding:9px 13px;
      border-radius:16px;
      color:var(--muted);
      font-weight:720;
      transition:background .25s ease,color .25s ease,transform .25s ease;
    }
    .index-list a:hover,.index-list a.current{
      background:var(--soft-green);
      color:var(--primary);
      transform:translateX(2px);
    }
    .brand-note{
      background:
        linear-gradient(135deg,rgba(18,60,54,.96),rgba(15,42,39,.96)),
        url('/assets/images/backpic/back-2.webp') center/cover;
      color:#fff;
      overflow:hidden;
    }
    .brand-note p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.75;margin-top:10px}
    .brand-note .mini{
      display:inline-flex;
      padding:5px 10px;
      border-radius:999px;
      color:#fff;
      background:rgba(217,133,59,.86);
      font-size:12px;
      font-weight:800;
      margin-bottom:12px;
    }
    .intro-card{
      padding:30px;
      display:grid;
      grid-template-columns:minmax(0,1fr) 220px;
      gap:24px;
      align-items:center;
      background:
        linear-gradient(135deg,rgba(255,255,255,.84),rgba(238,244,239,.72));
    }
    .intro-card p{color:var(--muted);margin-top:12px}
    .intro-tags{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      background:var(--soft-orange);
      color:#7b431b;
      font-size:13px;
      font-weight:780;
      border:1px solid rgba(217,133,59,.18);
    }
    .intro-media{
      position:relative;
      min-height:170px;
      border-radius:24px;
      overflow:hidden;
      background:var(--soft-green);
      border:1px solid rgba(216,224,218,.9);
    }
    .intro-media img{width:100%;height:100%;min-height:170px;object-fit:cover}
    .intro-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(18,60,54,.3))}
    .content-group{
      margin-top:24px;
    }
    .group-title{
      display:flex;
      align-items:center;
      gap:10px;
      margin:34px 0 16px;
      color:var(--primary-dark);
    }
    .group-title span{
      width:12px;
      height:12px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(217,133,59,.13);
    }
    .card-list{
      display:grid;
      gap:16px;
    }
    .content-card{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:22px;
      padding:24px;
      transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background .25s ease;
    }
    .content-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(217,133,59,.35);
      background:#fff;
    }
    .content-card.featured{
      padding:28px;
      background:
        linear-gradient(135deg,rgba(18,60,54,.96),rgba(20,58,53,.92)),
        url('/assets/images/coverpic/cover-3.webp') center/cover;
      color:#fff;
      border-color:rgba(255,255,255,.15);
    }
    .content-card.featured h3,.content-card.featured p{color:#fff}
    .content-card.featured p{color:rgba(255,255,255,.76)}
    .content-card h3{margin-top:8px}
    .content-card p{
      margin-top:8px;
      color:var(--muted);
      font-size:15.5px;
      line-height:1.8;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .label{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:4px 10px;
      border-radius:999px;
      background:var(--soft-green);
      color:var(--primary);
      font-size:12px;
      font-weight:820;
      border:1px solid rgba(216,224,218,.86);
    }
    .featured .label{
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.16);
      color:#fff;
    }
    .view-link{
      align-self:center;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      white-space:nowrap;
      min-height:42px;
      padding:0 16px;
      border-radius:999px;
      color:var(--primary);
      background:var(--soft-green);
      font-weight:820;
      transition:background .25s ease,color .25s ease,transform .25s ease;
    }
    .view-link:hover{background:var(--primary);color:#fff;transform:translateX(2px)}
    .featured .view-link{background:var(--accent);color:#fff}
    .featured .view-link:hover{background:#fff;color:var(--primary)}
    .steps-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      position:relative;
    }
    .step-box{
      padding:24px;
      position:relative;
      overflow:hidden;
      transition:transform .25s ease,box-shadow .25s ease;
    }
    .step-box:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .step-num{
      width:42px;
      height:42px;
      border-radius:15px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--primary);
      color:#fff;
      font-weight:900;
      margin-bottom:18px;
      box-shadow:0 10px 22px rgba(18,60,54,.18);
    }
    .step-box:nth-child(2) .step-num,.step-box:nth-child(4) .step-num{background:var(--accent)}
    .step-box p{color:var(--muted);font-size:15px;margin-top:8px}
    .recommend-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .recommend-card{
      overflow:hidden;
      display:grid;
      grid-template-columns:180px minmax(0,1fr);
      min-height:210px;
      transition:transform .25s ease,box-shadow .25s ease;
    }
    .recommend-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .recommend-card img{width:100%;height:100%;object-fit:cover}
    .recommend-body{padding:24px}
    .recommend-body p{color:var(--muted);font-size:15px;margin-top:10px}
    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      padding:22px 24px;
      overflow:hidden;
    }
    .faq-question{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:var(--primary-dark);
      font-size:18px;
      font-weight:850;
      cursor:pointer;
    }
    .faq-toggle{
      width:30px;
      height:30px;
      border-radius:999px;
      background:var(--soft-green);
      color:var(--primary);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      font-weight:900;
    }
    .faq-answer{
      color:var(--muted);
      margin-top:12px;
      line-height:1.85;
      display:block;
    }
    .faq-item.collapsed .faq-answer{display:none}
    .faq-item.collapsed .faq-toggle{background:var(--soft-orange);color:var(--accent-2)}
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-2xl);
      padding:44px;
      background:
        linear-gradient(135deg,rgba(15,42,39,.96),rgba(20,58,53,.94)),
        url('/assets/images/backpic/back-3.webp') center/cover;
      color:#fff;
      box-shadow:0 24px 80px rgba(15,42,39,.22);
      border:1px solid rgba(255,255,255,.1);
    }
    .cta-panel:after{
      content:"";
      position:absolute;
      width:280px;
      height:280px;
      border-radius:999px;
      right:-90px;
      top:-90px;
      background:rgba(217,133,59,.25);
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1fr) 390px;
      gap:34px;
      align-items:center;
    }
    .cta-panel h2{color:#fff}
    .cta-panel p{color:rgba(255,255,255,.75);margin-top:14px}
    .contact-box{
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(10px);
    }
    .mini-form{
      display:grid;
      gap:12px;
    }
    .form-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    label{
      display:grid;
      gap:6px;
      color:rgba(255,255,255,.78);
      font-size:13px;
      font-weight:760;
    }
    input,textarea{
      width:100%;
      min-height:46px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.92);
      border-radius:16px;
      padding:10px 14px;
      color:var(--text);
      outline:0;
      transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
    }
    textarea{min-height:92px;resize:vertical}
    input:focus,textarea:focus{
      border-color:var(--accent);
      box-shadow:0 0 0 4px rgba(217,133,59,.18);
      background:#fff;
    }
    .footer{
      padding:64px 0 28px;
      background:var(--primary-dark);
      color:rgba(255,255,255,.68);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .8fr .8fr 1fr;
      gap:34px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .footer p{
      font-size:14px;
      line-height:1.85;
      color:rgba(255,255,255,.62);
    }
    .footer h3{
      color:#fff;
      font-size:16px;
      margin-bottom:15px;
      letter-spacing:0;
    }
    .footer a{
      display:block;
      color:rgba(255,255,255,.66);
      font-size:14px;
      margin:9px 0;
      transition:color .25s ease,transform .25s ease;
    }
    .footer a:hover{color:var(--accent);transform:translateX(2px)}
    .copyright{
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.48);
      font-size:13px;
    }
    @media (max-width:1024px){
      .site-container{width:min(100% - 32px,var(--container))}
      .desktop-nav{display:none}
      .mobile-top{display:flex}
      .hero-grid,.content-layout,.cta-grid{grid-template-columns:1fr}
      .side-stack{position:relative;top:auto;grid-template-columns:1fr 1fr}
      .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .recommend-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .intro-card{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .section{padding:62px 0}
      .section-tight{padding:50px 0}
      .page-hero{padding:38px 0 52px}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .hero-actions,.panel-row,.form-row{grid-template-columns:1fr}
      .hero-actions .btn,.btn{width:100%}
      .visual-card,.visual-card img{min-height:320px}
      .side-stack{grid-template-columns:1fr}
      .content-card{grid-template-columns:1fr}
      .view-link{justify-self:start}
      .recommend-card{grid-template-columns:1fr}
      .recommend-card img{height:190px}
      .cta-panel{padding:30px 22px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 24px,var(--container))}
      .brand-text strong{font-size:15px}
      .brand-text span{font-size:11px}
      .brand-mark{width:42px;height:42px;border-radius:14px}
      h1{font-size:34px}
      h2{font-size:27px}
      .intro-card,.content-card,.side-card,.faq-item{padding:20px}
      .steps-grid{grid-template-columns:1fr}
      .hero-panel{left:14px;right:14px;bottom:14px;padding:18px}
      .panel-row{grid-template-columns:1fr}
    }