/* roulang page: index */
:root{
      --ink:#171A1F;
      --ink-2:#23272F;
      --green:#00A889;
      --green-dark:#008E74;
      --green-soft:#E8F8F4;
      --amber:#F2A93B;
      --amber-soft:#FFF2D9;
      --bg:#F6F3EE;
      --card:#FFFFFF;
      --card-soft:#FAF8F3;
      --border:#E4DED3;
      --text:#343941;
      --muted:#697077;
      --white:#FFFFFF;
      --shadow:0 14px 40px rgba(23,26,31,.08);
      --shadow-hover:0 20px 52px rgba(23,26,31,.13);
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1200px;
      --ease:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:var(--bg);
      line-height:1.82;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:0}
    input,select,textarea{
      width:100%;
      border:1px solid var(--border);
      background:#fff;
      border-radius:14px;
      padding:13px 14px;
      color:var(--ink);
      outline:none;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    input:focus,select:focus,textarea:focus{
      border-color:var(--green);
      box-shadow:0 0 0 4px rgba(0,168,137,.12);
    }
    textarea{min-height:118px;resize:vertical}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:86px 0}
    .section.tight{padding:68px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(0,168,137,.2);
      border-radius:999px;
      background:var(--green-soft);
      color:#067A66;
      font-size:14px;
      font-weight:700;
      line-height:1.2;
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 4px rgba(0,168,137,.12);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin-bottom:22px;
      color:var(--ink);
      font-size:clamp(32px,5vw,48px);
      line-height:1.2;
      letter-spacing:-.8px;
      font-weight:800;
    }
    h2{
      color:var(--ink);
      font-size:clamp(26px,3.2vw,34px);
      line-height:1.28;
      font-weight:780;
      margin-bottom:16px;
      letter-spacing:-.35px;
    }
    h3{
      color:var(--ink);
      font-size:21px;
      line-height:1.35;
      font-weight:730;
      margin-bottom:10px;
    }
    p{margin-bottom:14px}
    .muted{color:var(--muted)}
    .topbar{
      background:var(--amber-soft);
      color:#5E4418;
      border-bottom:1px solid rgba(242,169,59,.26);
      font-size:14px;
    }
    .topbar .container{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:38px;
      text-align:center;
    }
    .topbar .dot{
      width:18px;height:18px;border-radius:50%;
      display:inline-flex;align-items:center;justify-content:center;
      background:rgba(242,169,59,.2);
      color:#8A5C08;
      flex:0 0 auto;
      font-size:12px;
      font-weight:800;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(246,243,238,.92);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(228,222,211,.88);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      color:var(--ink);
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--ink),#2D333C);
      color:#fff;
      letter-spacing:.5px;
      box-shadow:0 10px 24px rgba(23,26,31,.18);
      position:relative;
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:22px;height:22px;border:3px solid rgba(0,168,137,.75);
      border-radius:8px;
      right:-7px;bottom:-7px;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18}
    .brand-title{font-size:18px;white-space:nowrap}
    .brand-sub{font-size:12px;color:var(--muted);font-weight:650;margin-top:3px}
    .main-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .main-nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:42px;
      padding:0 15px;
      border-radius:999px;
      color:#3F454D;
      font-weight:700;
      font-size:15px;
    }
    .main-nav a:hover{background:#fff;color:var(--green-dark)}
    .main-nav a.active{
      background:var(--green);
      color:#fff;
      box-shadow:0 10px 22px rgba(0,168,137,.2);
    }
    .header-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:44px;
      padding:0 18px;
      border-radius:13px;
      background:var(--ink);
      color:#fff;
      font-weight:760;
      white-space:nowrap;
    }
    .header-cta:hover{background:#0F1115;transform:translateY(-1px)}
    .menu-btn{
      display:none;
      width:46px;height:44px;
      border-radius:12px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--ink);
      align-items:center;
      justify-content:center;
      font-weight:800;
    }
    .hero{
      position:relative;
      padding:78px 0 74px;
      overflow:hidden;
      background:
        linear-gradient(100deg,rgba(246,243,238,.96),rgba(246,243,238,.82)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:24px auto auto 50%;
      width:560px;height:560px;
      background:radial-gradient(circle,rgba(0,168,137,.16),transparent 66%);
      pointer-events:none;
      transform:translateX(-5%);
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:48px;
      align-items:center;
    }
    .hero-copy .lead{
      color:#4D555D;
      font-size:18px;
      line-height:1.85;
      max-width:680px;
      margin-bottom:26px;
    }
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin:28px 0 22px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:0 20px;
      border-radius:14px;
      font-weight:780;
      border:1px solid transparent;
      line-height:1.2;
    }
    .btn-primary{
      background:var(--green);
      color:#fff;
      box-shadow:0 12px 24px rgba(0,168,137,.2);
    }
    .btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 18px 34px rgba(0,168,137,.24)}
    .btn-secondary{
      background:#fff;
      color:var(--ink);
      border-color:var(--border);
    }
    .btn-secondary:hover{border-color:var(--green);background:#F4FFFC;color:var(--green-dark);transform:translateY(-1px)}
    .notice-line{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:14px 16px;
      border:1px solid rgba(242,169,59,.36);
      background:rgba(255,242,217,.72);
      border-radius:16px;
      color:#5C4822;
      max-width:670px;
      font-size:14px;
    }
    .notice-line strong{color:#4A3510}
    .panel{
      border-radius:28px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(228,222,211,.92);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .entry-panel{position:relative}
    .panel-cover{
      height:152px;
      background:
        linear-gradient(120deg,rgba(23,26,31,.78),rgba(23,26,31,.28)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      padding:24px;
      color:#fff;
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
    }
    .panel-cover .status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.24);
      backdrop-filter:blur(8px);
      font-size:13px;
      font-weight:760;
    }
    .pulse{
      width:9px;height:9px;border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 5px rgba(0,168,137,.22);
    }
    .panel-body{padding:24px}
    .check-row{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:16px 0;
      border-bottom:1px solid var(--border);
    }
    .check-row:last-child{border-bottom:0}
    .check-icon{
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      background:var(--green-soft);
      color:var(--green-dark);
      font-weight:900;
      flex:0 0 auto;
    }
    .check-row p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:#515861;
      font-size:13px;
      font-weight:700;
    }
    .tag.green{background:var(--green-soft);border-color:rgba(0,168,137,.22);color:#087B68}
    .split-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:30px;
    }
    .split-head p{max-width:680px;margin-bottom:0;color:var(--muted)}
    .identify-layout{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      align-items:start;
    }
    .side-note{
      padding:30px;
      border-radius:var(--radius-lg);
      background:var(--ink);
      color:#fff;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .side-note:after{
      content:"";
      position:absolute;
      right:-70px;bottom:-80px;
      width:210px;height:210px;border-radius:50%;
      border:34px solid rgba(0,168,137,.18);
    }
    .side-note h2,.side-note h3{color:#fff}
    .side-note p{color:rgba(255,255,255,.76)}
    .mini-stats{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:24px;
      position:relative;
    }
    .mini-stat{
      padding:15px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .mini-stat strong{display:block;color:var(--amber);font-size:24px;line-height:1.1}
    .mini-stat span{font-size:13px;color:rgba(255,255,255,.72)}
    .verify-list{
      display:grid;
      gap:16px;
    }
    .verify-item{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      padding:22px;
      border:1px solid var(--border);
      border-radius:20px;
      background:#fff;
      box-shadow:0 8px 22px rgba(23,26,31,.04);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .verify-item:hover{transform:translateY(-3px);border-color:rgba(0,168,137,.32);box-shadow:var(--shadow)}
    .num{
      width:46px;height:46px;border-radius:15px;
      background:var(--amber-soft);
      color:#9A670A;
      display:grid;place-items:center;
      font-weight:900;
    }
    .columns-section{
      background:linear-gradient(180deg,rgba(255,255,255,.36),rgba(255,255,255,0));
    }
    .tabs{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:26px 0 22px;
    }
    .tab{
      border-radius:999px;
      padding:9px 14px;
      border:1px solid var(--border);
      background:#fff;
      color:#525963;
      font-weight:760;
      font-size:14px;
    }
    .tab.active{background:var(--green);border-color:var(--green);color:#fff}
    .column-showcase{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .feature-card{
      padding:24px;
      border-radius:22px;
      background:var(--card);
      border:1px solid var(--border);
      box-shadow:0 10px 28px rgba(23,26,31,.05);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(0,168,137,.32)}
    .feature-card.wide{
      grid-column:span 2;
      display:grid;
      grid-template-columns:.72fr 1fr;
      gap:22px;
      align-items:center;
      background:var(--card-soft);
    }
    .feature-card img{
      border-radius:18px;
      height:210px;
      width:100%;
      object-fit:cover;
      border:1px solid var(--border);
    }
    .iconbox{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:var(--green-soft);
      color:var(--green-dark);
      margin-bottom:14px;
      font-weight:900;
    }
    .timeline{
      position:relative;
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
      margin-top:34px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:8%;right:8%;top:27px;
      height:3px;
      background:linear-gradient(90deg,var(--green),rgba(0,168,137,.18));
      z-index:0;
    }
    .step{
      position:relative;
      z-index:1;
      padding:0 10px 20px;
      text-align:center;
    }
    .step-dot{
      width:56px;height:56px;border-radius:50%;
      margin:0 auto 15px;
      display:grid;place-items:center;
      background:#fff;
      border:3px solid var(--green);
      color:#8A5C08;
      font-weight:900;
      box-shadow:0 10px 24px rgba(0,168,137,.13);
    }
    .step-dot span{
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:var(--amber);
      color:#fff;
      font-size:13px;
    }
    .step p{font-size:14px;color:var(--muted);line-height:1.65;margin:0}
    .dark-section{
      background:var(--ink);
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .dark-section:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 12% 15%,rgba(0,168,137,.18),transparent 28%),
        radial-gradient(circle at 92% 70%,rgba(242,169,59,.12),transparent 30%);
      pointer-events:none;
    }
    .dark-section .container{position:relative}
    .dark-section h2,.dark-section h3{color:#fff}
    .dark-section .muted,.dark-section p{color:rgba(255,255,255,.72)}
    .safety-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
      margin-top:30px;
    }
    .safety-card{
      padding:24px;
      border-radius:22px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
    }
    .safety-card .iconbox{background:rgba(0,168,137,.18);color:#42E1C7}
    .guide-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      align-items:stretch;
    }
    .recommend{
      border-radius:26px;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      transition:transform var(--ease),box-shadow var(--ease);
    }
    .recommend:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .recommend img{height:270px;width:100%;object-fit:cover}
    .recommend-content{padding:26px}
    .article-list{display:grid;gap:15px}
    .article-mini{
      display:grid;
      grid-template-columns:116px 1fr;
      gap:16px;
      padding:15px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--border);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .article-mini:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:rgba(0,168,137,.32)}
    .article-mini img{
      width:116px;height:98px;object-fit:cover;
      border-radius:15px;
      border:1px solid var(--border);
    }
    .article-mini h3{font-size:18px;margin-bottom:5px}
    .article-mini p{font-size:14px;color:var(--muted);line-height:1.62;margin:0}
    .proof-band{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:28px;
    }
    .proof-card{
      padding:22px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--border);
      text-align:center;
      box-shadow:0 10px 28px rgba(23,26,31,.04);
    }
    .proof-card strong{display:block;color:var(--green-dark);font-size:28px;line-height:1.15}
    .proof-card span{display:block;color:var(--muted);font-size:14px;margin-top:6px}
    .faq-list{
      display:grid;
      gap:14px;
      margin-top:28px;
    }
    .faq-item{
      border:1px solid var(--border);
      border-radius:18px;
      background:#fff;
      overflow:hidden;
      box-shadow:0 8px 22px rgba(23,26,31,.04);
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      background:#fff;
      color:var(--ink);
      text-align:left;
      font-weight:800;
    }
    .faq-question:after{
      content:"+";
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:var(--green-soft);
      color:var(--green-dark);
      flex:0 0 auto;
      font-size:18px;
    }
    .faq-item.open .faq-question:after{content:"−"}
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
      line-height:1.78;
    }
    .faq-item.open .faq-answer{display:block}
    .contact-section{
      background:
        linear-gradient(100deg,rgba(246,243,238,.98),rgba(246,243,238,.88)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .contact-grid{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:30px;
      align-items:start;
    }
    .contact-card,.form-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:30px;
    }
    .contact-list{
      list-style:none;
      padding:0;
      margin:22px 0 0;
      display:grid;
      gap:12px;
    }
    .contact-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#4C545D;
    }
    .contact-list li:before{
      content:"✓";
      width:22px;height:22px;border-radius:50%;
      display:grid;place-items:center;
      background:var(--green-soft);
      color:var(--green-dark);
      font-size:13px;
      font-weight:900;
      flex:0 0 auto;
      margin-top:5px;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .form-field.full{grid-column:span 2}
    label{
      display:block;
      font-size:14px;
      font-weight:760;
      color:var(--ink);
      margin-bottom:7px;
    }
    .form-hint{
      margin:14px 0 18px;
      padding:12px 14px;
      border-radius:14px;
      background:var(--amber-soft);
      color:#654817;
      font-size:14px;
      border:1px solid rgba(242,169,59,.28);
    }
    .site-footer{
      background:var(--ink);
      color:rgba(255,255,255,.72);
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .9fr 1.1fr;
      gap:28px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:850;margin-bottom:14px}
    .footer-brand .brand-mark{width:40px;height:40px;box-shadow:none}
    .footer-col h3{color:#fff;font-size:17px;margin-bottom:12px}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .footer-links a:hover{color:#44E1C9}
    .footer-note{
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
      font-size:14px;
      line-height:1.7;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      font-size:13px;
      color:rgba(255,255,255,.56);
    }
    .backtop{
      position:fixed;
      right:18px;
      bottom:18px;
      width:46px;height:46px;
      border-radius:15px;
      background:var(--green);
      color:#fff;
      display:grid;
      place-items:center;
      box-shadow:0 12px 26px rgba(0,168,137,.25);
      z-index:45;
    }
    .backtop:hover{background:var(--green-dark);transform:translateY(-2px)}
    @media (max-width:1024px){
      .hero-grid,.identify-layout,.guide-layout,.contact-grid{grid-template-columns:1fr}
      .hero{padding:58px 0}
      .side-note{order:0}
      .timeline{grid-template-columns:1fr;gap:16px}
      .timeline:before{left:27px;right:auto;top:8px;bottom:8px;width:3px;height:auto;background:linear-gradient(180deg,var(--green),rgba(0,168,137,.18))}
      .step{display:grid;grid-template-columns:58px 1fr;text-align:left;gap:14px;padding:0}
      .step-dot{margin:0}
      .safety-grid,.proof-band{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .header-cta{display:none}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:58px 0}
      .section.tight{padding:48px 0}
      .nav-wrap{min-height:68px}
      .brand-title{font-size:16px}
      .brand-sub{display:none}
      .menu-btn{display:flex}
      .main-nav{
        position:absolute;
        top:100%;
        left:14px;
        right:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        background:#fff;
        border:1px solid var(--border);
        border-radius:18px;
        box-shadow:var(--shadow);
      }
      .main-nav.open{display:flex}
      .main-nav a{justify-content:flex-start;height:46px}
      .hero-actions .btn{width:100%}
      .panel-cover{height:132px;padding:18px}
      .split-head{display:block}
      .column-showcase{grid-template-columns:1fr}
      .feature-card.wide{grid-column:auto;grid-template-columns:1fr}
      .feature-card img{height:190px}
      .tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
      .tab{white-space:nowrap}
      .article-mini{grid-template-columns:92px 1fr}
      .article-mini img{width:92px;height:88px}
      .form-grid{grid-template-columns:1fr}
      .form-field.full{grid-column:auto}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
    }
    @media (max-width:520px){
      body{font-size:15px}
      h1{font-size:30px}
      h2{font-size:25px}
      .topbar .container{justify-content:flex-start;text-align:left;padding:8px 0}
      .brand-mark{width:38px;height:38px;border-radius:12px}
      .panel-body,.contact-card,.form-card,.side-note{padding:22px}
      .verify-item{grid-template-columns:1fr;gap:12px}
      .mini-stats,.safety-grid,.proof-band{grid-template-columns:1fr}
      .recommend img{height:210px}
      .article-mini{grid-template-columns:1fr}
      .article-mini img{width:100%;height:150px}
      .faq-question{padding:18px}
      .faq-answer{padding:0 18px 18px}
    }

/* roulang page: category1 */
:root{
      --ink:#171A1F;
      --ink-2:#2B3037;
      --green:#00A889;
      --green-dark:#008C73;
      --green-soft:#E6F7F3;
      --amber:#F2A93B;
      --amber-soft:#FFF3D8;
      --bg:#F6F3EE;
      --card:#FFFFFF;
      --card-soft:#FAF8F3;
      --border:#E4DED3;
      --muted:#697077;
      --muted-2:#8A9097;
      --white:#FFFFFF;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow:0 14px 40px rgba(23,26,31,.08);
      --shadow-hover:0 18px 48px rgba(23,26,31,.13);
      --max:1200px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      background:var(--bg);
      color:var(--ink);
      line-height:1.82;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:0;background:none}
    input,select,textarea{
      width:100%;
      border:1px solid var(--border);
      border-radius:14px;
      background:#fff;
      color:var(--ink);
      padding:13px 14px;
      outline:none;
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    textarea{min-height:118px;resize:vertical}
    input:focus,select:focus,textarea:focus{
      border-color:var(--green);
      box-shadow:0 0 0 4px rgba(0,168,137,.13);
      background:#fff;
    }
    .container{width:min(100% - 40px,var(--max));margin:0 auto}
    .top-notice{
      background:var(--amber-soft);
      color:#594018;
      border-bottom:1px solid rgba(242,169,59,.28);
      font-size:14px;
    }
    .top-notice .container{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:9px 0;
      text-align:center;
    }
    .notice-dot{
      width:9px;height:9px;border-radius:999px;background:var(--amber);box-shadow:0 0 0 4px rgba(242,169,59,.18);flex:0 0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(246,243,238,.94);
      backdrop-filter:saturate(160%) blur(14px);
      border-bottom:1px solid rgba(228,222,211,.72);
      transition:box-shadow .25s ease,background .25s ease;
    }
    .site-header.is-scrolled{box-shadow:0 8px 28px rgba(23,26,31,.08);background:rgba(255,255,255,.94)}
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:260px;
    }
    .brand-mark{
      width:48px;height:48px;border-radius:15px;
      display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--ink),#2D343C);
      color:#fff;
      font-weight:800;
      letter-spacing:.5px;
      box-shadow:0 10px 24px rgba(23,26,31,.16);
      flex:0 0 auto;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.28}
    .brand-title{font-weight:800;font-size:18px;color:var(--ink)}
    .brand-sub{font-size:12px;color:var(--muted)}
    .main-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .main-nav a{
      position:relative;
      padding:10px 16px;
      border-radius:999px;
      color:var(--ink-2);
      font-weight:650;
      font-size:15px;
    }
    .main-nav a:hover{
      color:var(--green-dark);
      background:rgba(0,168,137,.08);
    }
    .main-nav a.active{
      color:var(--green-dark);
      background:var(--green-soft);
    }
    .main-nav a.active::after{
      content:"";
      position:absolute;
      left:18px;right:18px;bottom:5px;
      height:2px;border-radius:9px;background:var(--green);
    }
    .header-cta,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 18px;
      border-radius:13px;
      font-weight:750;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
      white-space:nowrap;
    }
    .header-cta,.btn-primary{
      background:var(--green);
      color:#fff;
      box-shadow:0 10px 22px rgba(0,168,137,.20);
    }
    .header-cta:hover,.btn-primary:hover{
      background:var(--green-dark);
      transform:translateY(-2px);
      box-shadow:0 14px 28px rgba(0,168,137,.24);
    }
    .btn-secondary{
      background:#fff;
      color:var(--ink);
      border:1px solid var(--border);
    }
    .btn-secondary:hover{
      border-color:var(--green);
      color:var(--green-dark);
      background:#F1FBF8;
      transform:translateY(-2px);
    }
    .btn-amber{
      background:var(--amber-soft);
      color:#5B421B;
      border:1px solid rgba(242,169,59,.35);
    }
    .btn-amber:hover{
      transform:translateY(-2px);
      border-color:var(--amber);
      background:#FFEAC0;
    }
    .menu-btn{
      display:none;
      width:44px;height:44px;border-radius:12px;
      background:#fff;border:1px solid var(--border);
      color:var(--ink);font-size:22px;
    }
    .breadcrumb{
      padding:22px 0 0;
      font-size:14px;
      color:var(--muted);
    }
    .breadcrumb a:hover{color:var(--green-dark)}
    .breadcrumb span{margin:0 7px;color:var(--muted-2)}
    .page-hero{
      position:relative;
      padding:54px 0 70px;
      overflow:hidden;
    }
    .page-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(246,243,238,.98),rgba(246,243,238,.88)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      z-index:-2;
    }
    .page-hero::after{
      content:"";
      position:absolute;
      width:480px;height:480px;border-radius:999px;
      right:-160px;top:-190px;
      background:radial-gradient(circle,rgba(0,168,137,.18),rgba(0,168,137,0) 66%);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      align-items:center;
      gap:44px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--green-dark);
      font-size:14px;
      font-weight:750;
      margin-bottom:18px;
      box-shadow:0 8px 22px rgba(23,26,31,.05);
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:999px;background:var(--green);
    }
    h1{
      font-size:44px;
      line-height:1.22;
      letter-spacing:-.6px;
      font-weight:800;
      color:var(--ink);
      margin-bottom:18px;
    }
    .hero-lead{
      font-size:17px;
      color:#4E555D;
      max-width:720px;
      margin-bottom:24px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
    .hero-alert{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:16px 18px;
      border-radius:18px;
      background:rgba(255,255,255,.74);
      border:1px solid var(--border);
      color:#4C4A44;
      max-width:780px;
    }
    .hero-alert strong{color:#5D4215}
    .hero-alert .icon{
      width:28px;height:28px;border-radius:999px;
      display:inline-flex;align-items:center;justify-content:center;
      background:var(--amber-soft);color:#8A5D0D;font-weight:900;flex:0 0 auto;
    }
    .index-panel{
      background:var(--ink);
      border-radius:var(--radius-lg);
      padding:22px;
      color:#fff;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .index-panel::after{
      content:"";
      position:absolute;
      inset:auto -70px -110px auto;
      width:260px;height:260px;border-radius:999px;
      background:rgba(0,168,137,.22);
      filter:blur(4px);
    }
    .panel-image{
      position:relative;
      border-radius:20px;
      overflow:hidden;
      height:180px;
      margin-bottom:18px;
      border:1px solid rgba(255,255,255,.13);
    }
    .panel-image img{width:100%;height:100%;object-fit:cover;filter:saturate(.92)}
    .panel-image::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(23,26,31,.08),rgba(23,26,31,.62));
    }
    .panel-image span{
      position:absolute;left:18px;bottom:16px;z-index:2;
      font-weight:800;font-size:20px;
    }
    .panel-list{position:relative;z-index:2;display:grid;gap:12px}
    .panel-item{
      display:flex;align-items:flex-start;gap:12px;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .panel-item b{
      color:#fff;
      display:block;
      margin-bottom:2px;
    }
    .panel-item p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.65}
    .check{
      width:24px;height:24px;border-radius:999px;background:var(--green);
      display:inline-flex;align-items:center;justify-content:center;
      font-size:13px;font-weight:900;flex:0 0 auto;
      color:#fff;
    }
    .section{padding:82px 0}
    .section-tight{padding:64px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .section-kicker{
      display:inline-flex;
      color:var(--green-dark);
      font-weight:800;
      font-size:14px;
      margin-bottom:7px;
    }
    h2{
      font-size:32px;
      line-height:1.28;
      font-weight:800;
      letter-spacing:-.2px;
      color:var(--ink);
    }
    .section-head p{
      color:var(--muted);
      max-width:520px;
      font-size:15px;
    }
    .filter-strip{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding:3px 0 12px;
      margin-bottom:24px;
      scrollbar-width:thin;
    }
    .filter-strip a{
      flex:0 0 auto;
      padding:9px 15px;
      border-radius:999px;
      border:1px solid var(--border);
      background:#fff;
      color:var(--ink-2);
      font-weight:700;
      font-size:14px;
    }
    .filter-strip a:hover,.filter-strip a.current{
      background:var(--green);
      color:#fff;
      border-color:var(--green);
    }
    .split-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:28px;
      align-items:start;
    }
    .guide-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:0 10px 30px rgba(23,26,31,.05);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
      margin-bottom:18px;
    }
    .guide-card:hover{
      transform:translateY(-3px);
      border-color:rgba(0,168,137,.42);
      box-shadow:var(--shadow-hover);
    }
    .guide-media{
      display:grid;
      grid-template-columns:210px minmax(0,1fr);
      gap:22px;
      align-items:center;
    }
    .guide-media figure{
      height:155px;
      border-radius:18px;
      overflow:hidden;
      background:var(--card-soft);
      border:1px solid var(--border);
    }
    .guide-media img{width:100%;height:100%;object-fit:cover}
    .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
    .tag{
      display:inline-flex;
      align-items:center;
      padding:4px 9px;
      border-radius:999px;
      background:var(--green-soft);
      color:var(--green-dark);
      font-size:12px;
      font-weight:800;
    }
    .tag.amber{background:var(--amber-soft);color:#76510E}
    .guide-card h3{
      font-size:22px;
      line-height:1.35;
      margin-bottom:8px;
      color:var(--ink);
    }
    .guide-card p{color:#5D646B;font-size:15px}
    .meta{
      margin-top:12px;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      color:var(--muted);
      font-size:13px;
    }
    .sidebar{
      position:sticky;
      top:100px;
      display:grid;
      gap:16px;
    }
    .side-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      padding:20px;
      box-shadow:0 10px 30px rgba(23,26,31,.05);
    }
    .side-card.dark{
      background:var(--ink);
      color:#fff;
      border-color:rgba(255,255,255,.08);
      overflow:hidden;
      position:relative;
    }
    .side-card.dark::after{
      content:"";
      position:absolute;
      width:170px;height:170px;border-radius:999px;
      background:rgba(0,168,137,.22);
      right:-70px;bottom:-80px;
    }
    .side-card h3{
      font-size:19px;
      line-height:1.35;
      margin-bottom:12px;
      position:relative;
      z-index:1;
    }
    .side-card p,.side-card li{
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .side-card.dark p,.side-card.dark li{color:rgba(255,255,255,.76);position:relative;z-index:1}
    .side-list{list-style:none;display:grid;gap:10px}
    .side-list li{
      padding-left:16px;
      position:relative;
    }
    .side-list li::before{
      content:"";
      position:absolute;left:0;top:.75em;
      width:6px;height:6px;border-radius:999px;background:var(--green);
    }
    .mini-cta{
      display:flex;
      flex-direction:column;
      gap:12px;
      margin-top:14px;
      position:relative;
      z-index:1;
    }
    .matrix{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .matrix-card{
      background:var(--card);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      padding:26px;
      box-shadow:0 10px 30px rgba(23,26,31,.05);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .matrix-card:hover{
      transform:translateY(-3px);
      border-color:rgba(0,168,137,.42);
      box-shadow:var(--shadow-hover);
    }
    .num{
      width:36px;height:36px;border-radius:12px;
      display:inline-flex;align-items:center;justify-content:center;
      background:var(--amber-soft);
      color:#81540A;
      font-weight:900;
      margin-bottom:14px;
    }
    .matrix-card h3{font-size:21px;margin-bottom:8px}
    .matrix-card p{color:#5E656C;font-size:15px}
    .process-wrap{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      padding:30px;
      box-shadow:var(--shadow);
    }
    .steps{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:0;
      list-style:none;
      counter-reset:step;
    }
    .steps li{
      position:relative;
      padding:0 18px 0 0;
      min-height:150px;
      counter-increment:step;
    }
    .steps li:not(:last-child)::after{
      content:"";
      position:absolute;
      top:24px;
      left:52px;
      right:18px;
      height:2px;
      background:linear-gradient(90deg,var(--green),rgba(0,168,137,.12));
    }
    .step-dot{
      width:48px;height:48px;border-radius:999px;
      background:var(--green-soft);
      border:2px solid var(--green);
      color:var(--green-dark);
      display:flex;align-items:center;justify-content:center;
      font-weight:900;
      margin-bottom:14px;
      position:relative;z-index:2;
    }
    .steps h3{font-size:18px;margin-bottom:6px}
    .steps p{font-size:14px;color:var(--muted);line-height:1.72}
    .safety-band{
      background:var(--ink);
      color:#fff;
      border-radius:32px;
      padding:42px;
      overflow:hidden;
      position:relative;
    }
    .safety-band::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(23,26,31,.96),rgba(23,26,31,.86)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      z-index:0;
    }
    .safety-band > *{position:relative;z-index:1}
    .safety-band h2{color:#fff}
    .safety-band .section-head p{color:rgba(255,255,255,.72)}
    .safety-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
    }
    .safety-card{
      padding:22px;
      border-radius:20px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
    }
    .safety-card h3{font-size:19px;margin-bottom:8px;color:#fff}
    .safety-card p{font-size:14px;color:rgba(255,255,255,.74)}
    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--border);
      border-radius:18px;
      overflow:hidden;
      box-shadow:0 8px 24px rgba(23,26,31,.04);
    }
    .faq-q{
      width:100%;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:var(--ink);
      font-weight:800;
      text-align:left;
    }
    .faq-q span:last-child{
      width:28px;height:28px;border-radius:999px;
      display:inline-flex;align-items:center;justify-content:center;
      background:var(--green-soft);
      color:var(--green-dark);
      flex:0 0 auto;
      transition:transform .22s ease;
    }
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .faq-a{
      display:none;
      padding:0 22px 20px;
      color:#596168;
      font-size:15px;
    }
    .faq-item.open .faq-a{display:block}
    .feedback-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:28px;
      align-items:start;
    }
    .contact-note{
      background:var(--card-soft);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      padding:28px;
    }
    .contact-note h2{margin-bottom:12px}
    .contact-note p{color:#5D646B}
    .note-list{
      list-style:none;
      display:grid;
      gap:10px;
      margin-top:18px;
    }
    .note-list li{
      display:flex;
      gap:10px;
      color:#4C535A;
      font-size:15px;
    }
    .note-list li::before{
      content:"✓";
      width:22px;height:22px;border-radius:999px;
      display:inline-flex;align-items:center;justify-content:center;
      background:var(--green-soft);
      color:var(--green-dark);
      font-weight:900;
      flex:0 0 auto;
      margin-top:4px;
    }
    .form-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:var(--shadow);
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-weight:750;color:var(--ink-2);font-size:14px}
    .form-tip{
      margin:16px 0;
      padding:13px 14px;
      border-radius:14px;
      background:var(--amber-soft);
      color:#684813;
      border:1px solid rgba(242,169,59,.32);
      font-size:14px;
    }
    .pagination{
      display:flex;
      justify-content:center;
      align-items:center;
      gap:8px;
      margin-top:28px;
    }
    .pagination a,.pagination span{
      min-width:42px;height:42px;padding:0 12px;
      display:inline-flex;align-items:center;justify-content:center;
      border-radius:12px;
      border:1px solid var(--border);
      background:#fff;
      color:var(--ink);
      font-weight:750;
    }
    .pagination a:hover{
      border-color:var(--green);
      background:var(--green-soft);
      color:var(--green-dark);
    }
    .pagination .current{
      background:var(--green);
      border-color:var(--green);
      color:#fff;
    }
    .site-footer{
      background:var(--ink);
      color:#fff;
      padding:58px 0 24px;
      margin-top:40px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .8fr .8fr 1.05fr;
      gap:30px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      font-size:18px;
      margin-bottom:12px;
    }
    .footer-col p{
      color:rgba(255,255,255,.68);
      font-size:14px;
      line-height:1.8;
    }
    .footer-col h3{
      font-size:16px;
      margin-bottom:14px;
      color:#fff;
    }
    .footer-links{
      list-style:none;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(255,255,255,.68);
      font-size:14px;
    }
    .footer-links a:hover{color:#fff;padding-left:3px}
    .footer-note{
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.70);
      font-size:13px;
      line-height:1.75;
    }
    .copyright{
      padding-top:20px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:rgba(255,255,255,.55);
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .header-cta{display:none}
      .hero-grid,.split-layout,.feedback-wrap{grid-template-columns:1fr}
      .sidebar{position:static}
      h1{font-size:38px}
      .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
      .steps li:not(:last-child)::after{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--max))}
      .top-notice .container{justify-content:flex-start;text-align:left}
      .nav-wrap{height:68px}
      .brand{min-width:auto}
      .brand-mark{width:42px;height:42px;border-radius:13px}
      .brand-title{font-size:16px}
      .brand-sub{display:none}
      .menu-btn{display:inline-flex;align-items:center;justify-content:center}
      .main-nav{
        position:absolute;
        top:68px;
        left:14px;
        right:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        border:1px solid var(--border);
        border-radius:18px;
        padding:10px;
        box-shadow:var(--shadow);
      }
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 14px}
      .main-nav a.active::after{display:none}
      .page-hero{padding:38px 0 50px}
      h1{font-size:32px}
      h2{font-size:26px}
      .section{padding:56px 0}
      .section-tight{padding:46px 0}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .guide-media{grid-template-columns:1fr}
      .guide-media figure{height:190px}
      .matrix,.safety-grid,.form-grid{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
      .steps li{min-height:auto;padding:0}
      .safety-band{padding:28px;border-radius:24px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .hero-actions .btn{width:100%}
      .hero-alert{padding:14px}
      .index-panel{padding:16px}
      .panel-image{height:150px}
      .guide-card,.matrix-card,.process-wrap,.form-card,.contact-note{padding:20px}
      .pagination{flex-wrap:wrap}
    }