/* roulang page: index */
:root{
      --bg:#0b0f12;
      --bg-2:#111820;
      --panel:#151d26;
      --panel-soft:#1b2631;
      --light:#f5f7fa;
      --light-2:#eef2f5;
      --text:#edf4f8;
      --text-dark:#111820;
      --muted:#9facb8;
      --muted-dark:#62707d;
      --cyan:#2ee7f2;
      --cyan-2:#76f6ff;
      --amber:#ffb65c;
      --orange:#ff8a3d;
      --line:rgba(255,255,255,.12);
      --line-dark:rgba(17,24,32,.11);
      --shadow:0 20px 60px rgba(0,0,0,.28);
      --shadow-soft:0 14px 36px rgba(17,24,32,.08);
      --radius-lg:28px;
      --radius:20px;
      --radius-sm:14px;
      --container:1220px;
      --ease:all .24s ease;
    }
    *{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(--text);
      line-height:1.78;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(46,231,242,.45);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(8,12,16,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{
      height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:230px;
    }
    .brand-mark{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      color:#061014;
      font-weight:900;
      letter-spacing:-1px;
      background:
        linear-gradient(135deg,var(--cyan),#92fff7 48%,var(--amber));
      box-shadow:0 0 24px rgba(46,231,242,.22);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:7px;
      border:1px solid rgba(6,16,20,.25);
      border-radius:11px;
    }
    .brand-text strong{display:block;font-size:17px;line-height:1.1;letter-spacing:.2px}
    .brand-text span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
    .nav-menu{display:flex;align-items:center;gap:8px}
    .nav-menu a{
      color:#c9d5dc;
      padding:10px 16px;
      border-radius:999px;
      font-size:15px;
      transition:var(--ease);
      position:relative;
    }
    .nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
    .nav-menu a.active{
      color:var(--cyan-2);
      background:rgba(46,231,242,.12);
      box-shadow:inset 0 0 0 1px rgba(46,231,242,.18);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      color:#fff;background:rgba(255,255,255,.06);
      border:1px solid var(--line);
    }
    .menu-toggle span,.menu-toggle:before,.menu-toggle:after{
      content:"";display:block;width:20px;height:2px;background:#fff;margin:5px auto;border-radius:99px;transition:var(--ease)
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:15px;
      font-weight:700;
      font-size:15px;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--cyan),#86f7ff);
      color:#071115;
      box-shadow:0 12px 30px rgba(46,231,242,.18);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 38px rgba(46,231,242,.25)}
    .btn-secondary{
      color:#eef9fb;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.18);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(255,255,255,.09);border-color:rgba(46,231,242,.44)}
    .btn-dark{
      color:#fff;background:#111820;border:1px solid rgba(255,255,255,.08)
    }
    .btn-dark:hover{background:#192331;transform:translateY(-2px)}
    .badge,.tag{
      display:inline-flex;align-items:center;gap:6px;
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      line-height:1;
      font-weight:700;
    }
    .badge{color:var(--cyan-2);background:rgba(46,231,242,.1);border:1px solid rgba(46,231,242,.23)}
    .tag{color:#485767;background:#f0f5f7;border:1px solid rgba(17,24,32,.08)}
    .tag.dark{color:#d6e1e8;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.12)}
    .hero{
      position:relative;
      min-height:720px;
      display:flex;
      align-items:center;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(7,10,14,.96),rgba(7,10,14,.74) 50%,rgba(7,10,14,.92)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      background:
        radial-gradient(circle at 12% 24%,rgba(46,231,242,.18),transparent 28%),
        radial-gradient(circle at 78% 42%,rgba(255,182,92,.12),transparent 24%),
        linear-gradient(180deg,transparent 0%,#0b0f12 100%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.02fr .98fr;
      align-items:center;
      gap:52px;
      padding:92px 0 70px;
    }
    .hero-copy{max-width:690px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:#d9faff;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.13);
      margin-bottom:22px;
      font-size:14px;
    }
    .pulse{
      width:9px;height:9px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 7px rgba(46,231,242,.12);
    }
    h1{
      font-size:clamp(34px,5vw,58px);
      line-height:1.13;
      letter-spacing:-1.5px;
      font-weight:850;
      margin-bottom:22px;
    }
    .hero-copy p{
      color:#c7d3db;
      font-size:18px;
      line-height:1.9;
      max-width:650px;
      margin-bottom:28px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
    .trust-tags{display:flex;gap:10px;flex-wrap:wrap}
    .hero-board{
      position:relative;
      min-height:500px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.035)),
        rgba(13,20,27,.86);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.13);
      overflow:hidden;
      padding:22px;
    }
    .hero-board:before{
      content:"";
      position:absolute;inset:0;
      background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity:.18;
      transform:scale(1.05);
    }
    .board-inner{position:relative;display:grid;gap:16px}
    .board-head{
      display:flex;justify-content:space-between;align-items:center;
      padding:16px;
      border-radius:18px;
      background:rgba(0,0,0,.28);
      border:1px solid rgba(255,255,255,.12);
    }
    .board-title strong{display:block;font-size:18px}
    .board-title span{color:var(--muted);font-size:13px}
    .status-dot{
      display:inline-flex;align-items:center;gap:8px;
      color:#bfffff;font-size:13px;
    }
    .status-dot:before{
      content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)
    }
    .notice-card{
      padding:20px;
      border-radius:22px;
      background:rgba(10,15,20,.68);
      border:1px solid rgba(255,255,255,.13);
    }
    .notice-card h3{font-size:22px;margin:10px 0 8px}
    .notice-card p{color:#bdc9d1;font-size:15px}
    .panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .mini-panel{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
      min-height:126px;
    }
    .mini-panel b{font-size:26px;color:var(--cyan-2);display:block;line-height:1}
    .mini-panel span{display:block;color:#d8e3e9;margin-top:8px;font-weight:700}
    .mini-panel small{display:block;color:var(--muted);margin-top:5px;line-height:1.55}
    .status-strip{
      position:relative;
      margin-top:-38px;
      z-index:5;
    }
    .strip-wrap{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:1px;
      overflow:hidden;
      border-radius:22px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:var(--shadow);
    }
    .strip-item{
      background:#121a22;
      padding:18px 20px;
      display:flex;gap:12px;align-items:flex-start;
    }
    .strip-icon{
      width:34px;height:34px;flex:0 0 auto;
      border-radius:12px;
      display:grid;place-items:center;
      color:#061014;background:var(--cyan);
      font-weight:900;
    }
    .strip-item strong{display:block;font-size:15px}
    .strip-item span{display:block;color:var(--muted);font-size:13px;margin-top:2px;line-height:1.5}
    main{background:var(--light);color:var(--text-dark)}
    .section{padding:88px 0}
    .section.dark{background:#0d1217;color:var(--text)}
    .section.alt{background:#eef3f6}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:30px;
      margin-bottom:34px;
    }
    .section-title{max-width:760px}
    .section-title h2{
      font-size:clamp(26px,3.2vw,38px);
      line-height:1.22;
      letter-spacing:-.6px;
      margin-bottom:12px;
      font-weight:820;
    }
    .section-title p{color:var(--muted-dark);font-size:17px;max-width:760px}
    .dark .section-title p{color:#aab8c3}
    .entry-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:26px;
      align-items:stretch;
    }
    .entry-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:34px;
      min-height:430px;
      background:#fff;
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-soft);
    }
    .entry-card:before{
      content:"";
      position:absolute;right:-110px;top:-110px;width:280px;height:280px;border-radius:50%;
      background:radial-gradient(circle,rgba(46,231,242,.22),transparent 70%);
    }
    .entry-card img{
      width:100%;
      margin-top:26px;
      border-radius:22px;
      aspect-ratio:16/8.6;
      object-fit:cover;
      border:1px solid rgba(17,24,32,.1);
    }
    .entry-card h3{font-size:28px;line-height:1.25;margin:14px 0 12px}
    .entry-card p{color:var(--muted-dark);font-size:17px}
    .step-list{
      position:relative;
      display:grid;
      gap:15px;
    }
    .step-item{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      padding:22px;
      background:#fff;
      border:1px solid var(--line-dark);
      border-radius:22px;
      box-shadow:0 10px 28px rgba(17,24,32,.05);
      transition:var(--ease);
    }
    .step-item:hover{transform:translateY(-3px);border-color:rgba(46,231,242,.55);box-shadow:var(--shadow-soft)}
    .step-num{
      width:46px;height:46px;border-radius:15px;
      display:grid;place-items:center;
      background:#0d1217;
      color:var(--cyan);
      font-weight:900;
      box-shadow:inset 0 0 0 1px rgba(46,231,242,.18);
    }
    .step-item h3{font-size:19px;margin-bottom:4px}
    .step-item p{color:var(--muted-dark);font-size:15px}
    .feature-layout{
      display:grid;
      grid-template-columns:1.22fr .78fr;
      grid-template-rows:auto auto;
      gap:22px;
    }
    .feature-card{
      position:relative;
      background:#fff;
      border:1px solid var(--line-dark);
      border-radius:var(--radius);
      padding:26px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:var(--ease);
    }
    .feature-card:hover{transform:translateY(-4px);border-color:rgba(46,231,242,.55)}
    .feature-card.large{grid-row:span 2;min-height:520px;padding:0}
    .feature-card.large .feature-img{height:285px;overflow:hidden}
    .feature-card.large img{width:100%;height:100%;object-fit:cover;transition:var(--ease)}
    .feature-card.large:hover img{transform:scale(1.035)}
    .feature-body{padding:28px}
    .feature-card h3{font-size:24px;line-height:1.25;margin:13px 0 10px}
    .feature-card p{color:var(--muted-dark)}
    .corner{
      position:absolute;right:20px;top:20px;
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      background:#0d1217;color:var(--cyan);
      font-weight:900;
    }
    .feature-tip{
      grid-column:1/-1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      padding:22px 26px;
      border-radius:22px;
      background:#101820;
      color:#fff;
      border:1px solid rgba(46,231,242,.18);
    }
    .feature-tip p{color:#b9c8d2}
    .guide-line{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      position:relative;
    }
    .guide-step{
      position:relative;
      padding:26px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-soft);
    }
    .guide-step:before{
      content:"";
      position:absolute;
      top:46px;right:-18px;width:18px;height:2px;background:rgba(46,231,242,.55);
    }
    .guide-step:last-child:before{display:none}
    .guide-index{
      width:42px;height:42px;border-radius:50%;
      background:rgba(46,231,242,.16);
      color:#058692;
      display:grid;place-items:center;
      font-weight:900;
      margin-bottom:18px;
    }
    .guide-step h3{font-size:20px;margin-bottom:8px}
    .guide-step p{color:var(--muted-dark);font-size:15px}
    .safe-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:26px;
      align-items:stretch;
    }
    .safe-card{
      border-radius:var(--radius-lg);
      padding:34px;
      background:
        linear-gradient(145deg,rgba(255,182,92,.12),transparent 42%),
        #121920;
      border:1px solid rgba(255,255,255,.13);
      box-shadow:var(--shadow);
    }
    .safe-card h2{font-size:34px;line-height:1.25;margin:16px 0 12px}
    .safe-card p{color:#b8c7d2}
    .safe-list{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .safe-item{
      padding:22px;
      border-radius:20px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
    }
    .safe-item strong{display:block;color:#fff;font-size:18px;margin-bottom:7px}
    .safe-item span{color:#b8c7d2;font-size:15px}
    .warn-dot{
      display:inline-flex;width:12px;height:12px;border-radius:50%;background:var(--amber);
      box-shadow:0 0 18px rgba(255,182,92,.45);
      margin-right:8px;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
    }
    .lead-news{
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .lead-news:hover{transform:translateY(-4px);border-color:rgba(46,231,242,.55)}
    .lead-news img{width:100%;height:310px;object-fit:cover}
    .lead-news .content{padding:28px}
    .lead-news h3{font-size:26px;line-height:1.3;margin:12px 0 10px}
    .lead-news p{color:var(--muted-dark)}
    .news-list{display:grid;gap:14px}
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:15px;
      padding:20px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--line-dark);
      transition:var(--ease);
    }
    .news-item:hover{border-color:rgba(46,231,242,.55);box-shadow:var(--shadow-soft);transform:translateX(3px)}
    .date-box{
      width:68px;height:68px;border-radius:17px;
      background:#101820;color:#fff;
      display:grid;place-items:center;
      text-align:center;
      line-height:1.15;
      flex:0 0 auto;
    }
    .date-box b{color:var(--cyan);font-size:20px}
    .date-box small{font-size:12px;color:#a9b5bd}
    .news-item h3{font-size:18px;margin:6px 0 4px}
    .news-item p{color:var(--muted-dark);font-size:14px;line-height:1.65}
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .proof-card{
      padding:24px;
      border-radius:22px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
    }
    .proof-card b{display:block;font-size:34px;color:var(--cyan);line-height:1}
    .proof-card strong{display:block;font-size:18px;margin:12px 0 6px}
    .proof-card p{color:#aab8c3;font-size:15px}
    .faq-wrap{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:34px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    details{
      background:#fff;
      border:1px solid var(--line-dark);
      border-radius:18px;
      padding:0 20px;
      box-shadow:0 8px 22px rgba(17,24,32,.04);
      transition:var(--ease);
    }
    details:hover{border-color:rgba(46,231,242,.5)}
    details[open]{box-shadow:var(--shadow-soft)}
    summary{
      min-height:62px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      list-style:none;
      cursor:pointer;
      font-weight:800;
      color:#121a22;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{
      content:"+";
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:#edf5f6;color:#0d8b94;
      font-weight:900;
      flex:0 0 auto;
    }
    details[open] summary:after{content:"−";background:rgba(46,231,242,.18)}
    details p{color:var(--muted-dark);padding:0 0 20px;font-size:15px}
    .faq-note{
      background:#101820;color:#fff;
      border-radius:var(--radius-lg);
      padding:32px;
      position:sticky;
      top:100px;
      border:1px solid rgba(255,255,255,.12);
    }
    .faq-note h2{font-size:32px;line-height:1.25;margin:12px 0}
    .faq-note p{color:#b7c5cf;margin-bottom:22px}
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(120deg,rgba(46,231,242,.18),transparent 36%),
        linear-gradient(300deg,rgba(255,182,92,.14),transparent 42%),
        #0d1217;
      border:1px solid rgba(255,255,255,.13);
      padding:42px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
      box-shadow:var(--shadow);
    }
    .cta-band h2{font-size:34px;line-height:1.22;margin-bottom:10px}
    .cta-band p{color:#b8c7d2;max-width:720px}
    .site-footer{
      background:#070b0e;
      color:#d9e3e8;
      border-top:1px solid rgba(255,255,255,.1);
      padding:56px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .7fr .9fr;
      gap:34px;
      margin-bottom:34px;
    }
    .footer-brand .brand{margin-bottom:16px}
    .footer-brand p{color:#9facb8;max-width:520px;font-size:15px}
    .footer-col h3{font-size:17px;margin-bottom:14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a,.footer-links span{color:#9facb8;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--cyan);text-decoration:underline}
    .footer-alert{
      padding:16px;
      border-radius:18px;
      background:rgba(255,182,92,.08);
      border:1px solid rgba(255,182,92,.2);
      color:#d7c5a9;
      font-size:14px;
    }
    .copyright{
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      color:#84929c;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .container{width:min(var(--container),calc(100% - 40px))}
      .nav-actions .btn{display:none}
      .hero-grid,.entry-grid,.safe-grid,.news-layout,.faq-wrap{grid-template-columns:1fr}
      .hero{min-height:auto}
      .hero-board{min-height:420px}
      .strip-wrap{grid-template-columns:repeat(2,1fr)}
      .feature-layout{grid-template-columns:1fr}
      .feature-card.large{grid-row:auto}
      .guide-line{grid-template-columns:repeat(2,1fr)}
      .guide-step:before{display:none}
      .faq-note{position:relative;top:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .nav-wrap{height:68px}
      .brand{min-width:auto}
      .brand-text strong{font-size:15px}
      .brand-text span{display:none}
      .menu-toggle{display:block}
      .nav-menu{
        position:absolute;left:20px;right:20px;top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:14px;
        border-radius:20px;
        background:rgba(11,15,18,.98);
        border:1px solid var(--line);
        box-shadow:var(--shadow);
      }
      .nav-menu.open{display:flex}
      .nav-menu a{padding:13px 15px}
      .hero-grid{padding:64px 0 58px;gap:28px}
      .hero-copy p{font-size:16px}
      .hero-actions .btn{width:100%}
      .hero-board{min-height:360px;padding:16px}
      .panel-grid,.safe-list,.proof-grid{grid-template-columns:1fr}
      .strip-wrap{grid-template-columns:1fr}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-head .btn{margin-top:18px}
      .entry-card{padding:24px;min-height:auto}
      .feature-tip,.cta-band{flex-direction:column;align-items:flex-start}
      .guide-line{grid-template-columns:1fr}
      .lead-news img{height:230px}
      .news-item{grid-template-columns:1fr}
      .date-box{width:58px;height:58px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 32px)}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      h1{letter-spacing:-.8px}
      .hero-board{min-height:auto}
      .board-head{align-items:flex-start;gap:14px;flex-direction:column}
      .notice-card,.mini-panel,.entry-card,.feature-body,.safe-card,.faq-note,.cta-band{padding:22px}
      .feature-card.large .feature-img{height:190px}
      .cta-band h2,.safe-card h2,.faq-note h2{font-size:27px}
      .btn{width:100%;min-height:48px}
    }

/* roulang page: category1 */
:root{
      --bg:#080b0f;
      --bg-2:#10161d;
      --panel:#141b23;
      --panel-2:#1b242e;
      --paper:#f5f7fa;
      --paper-2:#ffffff;
      --text:#eef5f8;
      --text-dark:#101820;
      --muted:#93a3ad;
      --muted-dark:#5f6d76;
      --line:rgba(255,255,255,.12);
      --line-dark:rgba(16,24,32,.10);
      --cyan:#20e7e0;
      --cyan-2:#7af7f2;
      --amber:#ffb84d;
      --orange:#ff7a45;
      --green:#6ee7a8;
      --shadow:0 22px 70px rgba(0,0,0,.25);
      --shadow-soft:0 14px 42px rgba(18,29,39,.10);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1220px;
      --ease:all .24s 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-dark);
      background:var(--paper);
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(32,231,224,.48);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(8,11,15,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .header-inner{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:15px;
      display:grid;
      place-items:center;
      font-weight:900;
      letter-spacing:-1px;
      color:#061011;
      background:
        linear-gradient(135deg,var(--cyan),var(--cyan-2) 52%,#eaffff);
      box-shadow:0 0 0 1px rgba(255,255,255,.35) inset,0 0 28px rgba(32,231,224,.26);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.2;color:var(--text)}
    .brand-text strong{font-size:16px;letter-spacing:.2px}
    .brand-text span{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-menu{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:7px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      border-radius:999px;
    }
    .nav-menu a{
      color:#c6d2d9;
      padding:9px 16px;
      border-radius:999px;
      font-size:14px;
      line-height:1.2;
      position:relative;
    }
    .nav-menu a:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
    }
    .nav-menu a.active{
      color:#041013;
      background:var(--cyan);
      box-shadow:0 0 22px rgba(32,231,224,.25);
    }
    .header-actions{display:flex;align-items:center;gap:12px}
    .header-link{
      color:#d9e6eb;
      border:1px solid var(--line);
      padding:10px 15px;
      border-radius:999px;
      font-size:14px;
      background:rgba(255,255,255,.04);
    }
    .header-link:hover{border-color:rgba(32,231,224,.55);color:#fff;background:rgba(32,231,224,.08)}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
      color:#fff;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
    }
    .menu-toggle span{
      width:19px;
      height:2px;
      border-radius:2px;
      background:#dbe7eb;
      transition:var(--ease);
    }
    .hero{
      position:relative;
      min-height:560px;
      color:var(--text);
      background:
        linear-gradient(110deg,rgba(8,11,15,.94),rgba(8,11,15,.76) 48%,rgba(8,11,15,.92)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:auto -160px -180px auto;
      width:520px;
      height:520px;
      background:radial-gradient(circle,rgba(32,231,224,.18),transparent 64%);
      pointer-events:none;
    }
    .hero:after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 78%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:2;
      padding:82px 0 42px;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:#b8c8cf;
      font-size:14px;
      margin-bottom:24px;
    }
    .breadcrumb a:hover{color:var(--cyan)}
    .crumb-dot{width:4px;height:4px;border-radius:50%;background:var(--cyan)}
    .hero-layout{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
      gap:44px;
      align-items:end;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(32,231,224,.28);
      background:rgba(32,231,224,.08);
      color:var(--cyan-2);
      font-size:13px;
      margin-bottom:18px;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 14px var(--cyan);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(32px,5vw,54px);
      line-height:1.14;
      margin-bottom:18px;
      letter-spacing:-.8px;
      font-weight:850;
    }
    .hero-lead{
      max-width:760px;
      font-size:18px;
      color:#c5d3da;
      margin-bottom:28px;
    }
    .hero-tools{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:30px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:14px;
      font-weight:750;
      line-height:1.2;
      transition:var(--ease);
      border:1px solid transparent;
      user-select:none;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--cyan),var(--cyan-2));
      color:#041013;
      box-shadow:0 14px 32px rgba(32,231,224,.18);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 18px 42px rgba(32,231,224,.25)}
    .btn-ghost{
      color:#e8f2f5;
      border-color:rgba(255,255,255,.2);
      background:rgba(255,255,255,.05);
    }
    .btn-ghost:hover{border-color:rgba(32,231,224,.62);background:rgba(32,231,224,.08);transform:translateY(-2px)}
    .btn-dark{
      color:#f3fbfd;
      background:#101820;
      border-color:rgba(16,24,32,.16);
    }
    .btn-dark:hover{background:#050a0e;transform:translateY(-2px)}
    .filter-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding:16px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      border-radius:22px;
      max-width:800px;
    }
    .filter-tag{
      color:#c9d7de;
      border:1px solid rgba(255,255,255,.14);
      border-radius:999px;
      padding:8px 13px;
      font-size:14px;
      background:rgba(255,255,255,.04);
    }
    .filter-tag.active,.filter-tag:hover{
      color:#051014;
      background:var(--cyan);
      border-color:var(--cyan);
    }
    .signal-board{
      border:1px solid rgba(255,255,255,.14);
      background:rgba(16,22,29,.82);
      border-radius:var(--radius-xl);
      padding:18px;
      box-shadow:var(--shadow);
    }
    .signal-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding-bottom:16px;
      border-bottom:1px solid var(--line);
      margin-bottom:16px;
    }
    .signal-title{font-weight:800}
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#061013;
      background:var(--green);
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:800;
    }
    .signal-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .signal-item{
      min-height:104px;
      border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
      border-radius:18px;
      padding:15px;
    }
    .signal-item b{display:block;font-size:24px;color:var(--cyan);line-height:1.15;margin-bottom:7px}
    .signal-item span{font-size:13px;color:#b5c3ca}
    .signal-note{
      margin-top:12px;
      border-radius:18px;
      background:rgba(255,184,77,.10);
      border:1px solid rgba(255,184,77,.28);
      padding:14px;
      color:#ffd596;
      font-size:14px;
    }
    main{background:var(--paper)}
    .section{padding:82px 0}
    .section-dark{
      background:
        radial-gradient(circle at 10% 10%,rgba(32,231,224,.12),transparent 34%),
        linear-gradient(180deg,#0b0f14,#111922);
      color:var(--text);
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:32px;
    }
    .section-kicker{
      color:var(--cyan);
      font-weight:850;
      letter-spacing:.04em;
      font-size:14px;
      margin-bottom:8px;
    }
    .section-head h2{
      font-size:clamp(26px,3.2vw,38px);
      line-height:1.22;
      margin-bottom:0;
      letter-spacing:-.4px;
    }
    .section-head p{
      max-width:580px;
      color:var(--muted-dark);
      margin:0;
    }
    .section-dark .section-head p{color:#b4c2c9}
    .featured-card{
      display:grid;
      grid-template-columns:minmax(0,.98fr) minmax(0,1.02fr);
      gap:0;
      border-radius:var(--radius-xl);
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-soft);
    }
    .featured-media{
      position:relative;
      min-height:386px;
      overflow:hidden;
      background:#111922;
    }
    .featured-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .42s ease;
    }
    .featured-card:hover .featured-media img{transform:scale(1.045)}
    .image-badge{
      position:absolute;
      left:18px;
      top:18px;
      border-radius:999px;
      padding:8px 12px;
      background:rgba(8,11,15,.74);
      color:#fff;
      border:1px solid rgba(255,255,255,.20);
      backdrop-filter:blur(8px);
      font-size:13px;
      font-weight:800;
    }
    .featured-body{
      padding:36px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:16px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 10px;
      font-size:13px;
      font-weight:800;
      line-height:1.1;
      border:1px solid rgba(32,231,224,.32);
      color:#03706d;
      background:rgba(32,231,224,.10);
    }
    .badge.amber{
      color:#935a00;
      background:rgba(255,184,77,.17);
      border-color:rgba(255,184,77,.38);
    }
    .date{font-size:13px;color:var(--muted-dark)}
    .featured-body h2{
      font-size:clamp(25px,3vw,36px);
      line-height:1.25;
      margin-bottom:14px;
    }
    .featured-body p{color:var(--muted-dark);font-size:17px;margin-bottom:22px}
    .guide-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 350px;
      gap:28px;
      align-items:start;
    }
    .feed-list{display:grid;gap:18px}
    .feed-item{
      display:grid;
      grid-template-columns:220px minmax(0,1fr);
      gap:20px;
      padding:16px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line-dark);
      box-shadow:0 10px 28px rgba(18,29,39,.06);
      transition:var(--ease);
    }
    .feed-item:hover{
      border-color:rgba(32,231,224,.55);
      box-shadow:0 16px 42px rgba(18,29,39,.10);
      transform:translateY(-2px);
    }
    .feed-thumb{
      height:150px;
      border-radius:18px;
      overflow:hidden;
      background:#111922;
    }
    .feed-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
    .feed-item:hover .feed-thumb img{transform:scale(1.05)}
    .feed-body h3{
      font-size:22px;
      line-height:1.35;
      margin:0 0 10px;
      transition:var(--ease);
    }
    .feed-item:hover .feed-body h3{color:#008c87}
    .feed-body p{
      color:var(--muted-dark);
      margin-bottom:14px;
    }
    .mini-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#007b77;
      font-weight:800;
      font-size:14px;
    }
    .mini-link:hover{text-decoration:underline;color:#005f5b}
    .sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:98px;
    }
    .side-card{
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line-dark);
      padding:22px;
      box-shadow:0 10px 28px rgba(18,29,39,.06);
    }
    .side-card.dark{
      background:linear-gradient(160deg,#101820,#172431);
      color:var(--text);
      border-color:rgba(255,255,255,.12);
      box-shadow:var(--shadow);
    }
    .side-card h3{
      font-size:20px;
      margin-bottom:14px;
    }
    .side-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .side-list a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid var(--line-dark);
      color:#1c2a33;
      font-weight:750;
    }
    .side-list li:last-child a{border-bottom:0}
    .side-list a:hover{color:#008c87;padding-left:4px}
    .side-card.dark .side-list a{color:#d7e3e8;border-bottom-color:rgba(255,255,255,.10)}
    .side-card.dark .side-list a:hover{color:var(--cyan)}
    .safe-points{display:grid;gap:10px;margin-top:12px}
    .safe-point{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#c2d1d8;
      font-size:14px;
    }
    .safe-point i{
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--amber);
      margin-top:9px;
      flex:0 0 auto;
      box-shadow:0 0 12px rgba(255,184,77,.4);
    }
    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .process-card{
      position:relative;
      border-radius:22px;
      padding:24px;
      background:#fff;
      border:1px solid var(--line-dark);
      box-shadow:0 10px 28px rgba(18,29,39,.06);
      overflow:hidden;
      transition:var(--ease);
    }
    .process-card:hover{transform:translateY(-3px);border-color:rgba(32,231,224,.45)}
    .process-card:before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-grid;
      place-items:center;
      width:42px;
      height:42px;
      border-radius:14px;
      background:#071014;
      color:var(--cyan);
      font-weight:900;
      margin-bottom:18px;
      box-shadow:0 0 0 1px rgba(32,231,224,.2) inset;
    }
    .process-card h3{font-size:20px;margin-bottom:8px}
    .process-card p{color:var(--muted-dark);margin:0}
    .notice-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .notice-card{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      border-radius:24px;
      padding:26px;
      transition:var(--ease);
    }
    .notice-card:hover{border-color:rgba(32,231,224,.45);transform:translateY(-2px)}
    .notice-card h3{font-size:22px;margin-bottom:12px}
    .notice-card p{color:#b9c8cf;margin-bottom:0}
    .notice-card.warning{
      border-color:rgba(255,184,77,.28);
      background:linear-gradient(135deg,rgba(255,184,77,.12),rgba(255,255,255,.04));
    }
    .pagination{
      margin-top:26px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      justify-content:center;
    }
    .page-btn{
      min-width:44px;
      height:44px;
      padding:0 14px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border:1px solid var(--line-dark);
      background:#fff;
      color:#1d2a33;
      font-weight:800;
    }
    .page-btn:hover{border-color:rgba(32,231,224,.5);color:#007b77;transform:translateY(-1px)}
    .page-btn.active{background:var(--cyan);border-color:var(--cyan);color:#051014}
    .faq-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:28px;
      align-items:start;
    }
    .faq-intro{
      border-radius:var(--radius-xl);
      padding:30px;
      background:
        linear-gradient(180deg,rgba(32,231,224,.12),rgba(255,255,255,.04)),
        #101820;
      color:var(--text);
      border:1px solid rgba(255,255,255,.12);
      position:sticky;
      top:98px;
    }
    .faq-intro h2{font-size:32px;line-height:1.25;margin-bottom:12px}
    .faq-intro p{color:#bdcbd2;margin-bottom:18px}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line-dark);
      overflow:hidden;
      box-shadow:0 8px 24px rgba(18,29,39,.05);
    }
    .faq-question{
      width:100%;
      min-height:58px;
      padding:18px 20px;
      background:transparent;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:#111b22;
      font-weight:850;
      text-align:left;
    }
    .faq-question:hover{color:#008c87;background:rgba(32,231,224,.045)}
    .faq-question span:last-child{
      width:28px;
      height:28px;
      border-radius:9px;
      background:#eef5f6;
      display:grid;
      place-items:center;
      color:#008c87;
      flex:0 0 auto;
      transition:var(--ease);
    }
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:var(--cyan);color:#041013}
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted-dark);
    }
    .faq-item.open .faq-answer{display:block}
    .cta-band{
      border-radius:30px;
      background:
        linear-gradient(120deg,rgba(32,231,224,.18),transparent 44%),
        linear-gradient(135deg,#0b1016,#152230);
      color:var(--text);
      padding:34px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
    }
    .cta-band h2{font-size:30px;line-height:1.25;margin-bottom:8px}
    .cta-band p{color:#becbd2;margin:0;max-width:720px}
    .site-footer{
      background:#070a0e;
      color:var(--text);
      padding:58px 0 26px;
      border-top:1px solid rgba(255,255,255,.10);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .7fr .9fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand p{
      color:#aebdc5;
      margin:18px 0 0;
      max-width:520px;
      font-size:14px;
    }
    .footer-col h3{
      font-size:16px;
      margin-bottom:14px;
      color:#fff;
    }
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:#aebdc5;
      font-size:14px;
    }
    .footer-links a:hover{color:var(--cyan);padding-left:3px}
    .footer-alert{
      border:1px solid rgba(255,184,77,.26);
      background:rgba(255,184,77,.08);
      color:#ffd79a;
      border-radius:18px;
      padding:15px;
      font-size:14px;
    }
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#8797a0;
      font-size:13px;
    }
    @media (max-width:1024px){
      .container{width:min(var(--container),calc(100% - 40px))}
      .hero-layout,.featured-card,.guide-layout,.faq-wrap{grid-template-columns:1fr}
      .signal-board,.sidebar,.faq-intro{position:static}
      .process{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:768px){
      .header-inner{min-height:68px}
      .menu-toggle{display:flex}
      .header-actions{display:none}
      .nav-menu{
        position:absolute;
        left:20px;
        right:20px;
        top:76px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:22px;
        padding:12px;
        background:rgba(8,11,15,.96);
        box-shadow:var(--shadow);
      }
      .nav-menu.open{display:flex}
      .nav-menu a{padding:14px 16px;text-align:left}
      .brand-text strong{font-size:15px}
      .hero-inner{padding:56px 0 34px}
      .filter-row{border-radius:18px}
      .signal-grid,.notice-grid{grid-template-columns:1fr}
      .feed-item{grid-template-columns:1fr}
      .feed-thumb{height:210px}
      .section{padding:60px 0}
      .featured-media{min-height:260px}
      .featured-body{padding:26px}
      .cta-band{align-items:flex-start;flex-direction:column;padding:26px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 32px)}
      h1{font-size:31px}
      .hero-lead{font-size:16px}
      .hero-tools .btn{width:100%}
      .filter-tag{font-size:13px;padding:7px 10px}
      .signal-item{min-height:auto}
      .process{grid-template-columns:1fr}
      .section-head h2,.faq-intro h2{font-size:26px}
      .feed-thumb{height:180px}
      .pagination{justify-content:flex-start}
      .page-btn{height:42px}
      .brand-mark{width:42px;height:42px}
    }