/* roulang page: index */
:root{
    --bg:#0A1216;
    --bg-soft:#0E1A20;
    --panel:#111E24;
    --panel-2:#152730;
    --line:rgba(23,195,178,.14);
    --line-soft:rgba(255,255,255,.07);
    --text:#E7F3F2;
    --text-2:#9CB0B4;
    --text-3:#6C8388;
    --primary:#17C3B2;
    --primary-2:#1FD8C5;
    --primary-dark:#0F9C90;
    --accent:#FF7A45;
    --accent-2:#FF8F62;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-pill:999px;
    --glow:0 10px 30px -12px rgba(23,195,178,.55);
    --glow-accent:0 10px 30px -12px rgba(255,122,69,.6);
    --shadow-card:0 24px 60px -44px rgba(0,0,0,.95);
    --ease:cubic-bezier(.22,.61,.36,1);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body.site{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.75;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  input,textarea,select{font-family:inherit;font-size:15px;}
  .num{font-variant-numeric:tabular-nums;}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-size:15px;font-weight:600;line-height:1;border-radius:var(--radius-btn);
    padding:13px 24px;border:1px solid transparent;cursor:pointer;
    transition:transform .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
  }
  .btn-primary{background:linear-gradient(180deg,var(--primary-2),var(--primary-dark));color:#04191A;box-shadow:var(--glow);}
  .btn-primary:hover{background:linear-gradient(180deg,#2AE6D2,#14B7A7);transform:translateY(-2px);box-shadow:0 18px 38px -14px rgba(23,195,178,.75);}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--glow);}
  .btn-accent{background:linear-gradient(180deg,var(--accent-2),#F2652C);color:#25120A;box-shadow:var(--glow-accent);}
  .btn-accent:hover{transform:translateY(-2px);box-shadow:0 18px 38px -14px rgba(255,122,69,.8);}
  .btn-accent:active{transform:translateY(0);}
  .btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(23,195,178,.32);color:var(--text);}
  .btn-ghost:hover{background:rgba(23,195,178,.14);border-color:rgba(23,195,178,.55);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{padding:9px 16px;font-size:14px;}
  .btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
  .btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

  /* ---------- 标签 / 徽章 ---------- */
  .badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;padding:4px 11px;border-radius:var(--radius-pill);background:rgba(23,195,178,.12);color:#66E2D4;border:1px solid rgba(23,195,178,.26);white-space:nowrap;}
  .badge-accent{background:rgba(255,122,69,.12);color:#FFB08C;border-color:rgba(255,122,69,.3);}
  .badge-mute{background:rgba(255,255,255,.05);color:var(--text-2);border-color:var(--line-soft);}

  /* ---------- 顶部状态条 ---------- */
  .status-bar{background:linear-gradient(90deg,rgba(23,195,178,.14),rgba(255,122,69,.1));border-bottom:1px solid var(--line-soft);font-size:13px;color:var(--text-2);}
  .status-inner{display:flex;align-items:center;gap:10px;min-height:38px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap;}
  .status-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(23,195,178,.18);animation:pulse 2.4s var(--ease) infinite;flex:none;}
  @keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(23,195,178,.18);}50%{box-shadow:0 0 0 7px rgba(23,195,178,.04);}}
  .status-time{margin-left:auto;color:var(--text-3);font-size:12.5px;}

  /* ---------- 导航 ---------- */
  .nav-sticky{position:sticky;top:0;z-index:60;background:rgba(10,18,22,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line);}
  .nav-top-inner{display:flex;align-items:center;gap:20px;min-height:66px;}
  .brand{display:flex;align-items:center;gap:11px;flex:none;}
  .brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(150deg,rgba(23,195,178,.9),rgba(255,122,69,.85));display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 8px 22px -12px rgba(23,195,178,.9);}
  .brand-mark svg{width:22px;height:22px;}
  .brand-text{font-size:19px;font-weight:600;letter-spacing:.01em;color:var(--text);line-height:1.2;}
  .brand-sub{display:block;font-size:11.5px;color:var(--text-3);font-weight:400;letter-spacing:.04em;}
  .search-box{flex:1;max-width:360px;display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.045);border:1px solid var(--line-soft);border-radius:var(--radius-btn);padding:0 14px;height:42px;transition:border-color .24s var(--ease),background .24s var(--ease);}
  .search-box:focus-within{border-color:rgba(23,195,178,.55);background:rgba(23,195,178,.07);}
  .search-box svg{width:17px;height:17px;flex:none;color:var(--text-3);}
  .search-box input{flex:1;background:transparent;border:0;outline:none;color:var(--text);font-size:14px;}
  .search-box input::placeholder{color:var(--text-3);}
  .nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;flex:none;}
  .menu-toggle{display:none;width:42px;height:42px;border-radius:var(--radius-btn);border:1px solid var(--line-soft);background:rgba(255,255,255,.04);color:var(--text);align-items:center;justify-content:center;cursor:pointer;}
  .menu-toggle:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

  .channel-bar{border-top:1px solid var(--line-soft);}
  .channel-inner{display:flex;align-items:center;gap:8px;height:54px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;}
  .channel-inner::-webkit-scrollbar{display:none;}
  .channel-link{position:relative;flex:none;scroll-snap-align:start;padding:8px 16px;border-radius:var(--radius-pill);font-size:14.5px;font-weight:500;color:var(--text-2);border:1px solid transparent;transition:.24s var(--ease);white-space:nowrap;}
  .channel-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
  .channel-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
  .channel-link.is-active{color:#052221;background:linear-gradient(180deg,var(--primary-2),var(--primary-dark));border-color:transparent;font-weight:600;}
  .channel-link.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:-9px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 12px rgba(23,195,178,.9);}
  .channel-hint{margin-left:auto;flex:none;font-size:12.5px;color:var(--text-3);padding-right:4px;}

  /* ---------- 移动抽屉 ---------- */
  .drawer{position:fixed;inset:0;z-index:80;display:none;}
  .drawer.is-open{display:block;}
  .drawer-mask{position:absolute;inset:0;background:rgba(4,10,12,.7);backdrop-filter:blur(2px);}
  .drawer-panel{position:absolute;top:0;right:0;width:min(84vw,340px);height:100%;background:var(--bg-soft);border-left:1px solid var(--line);padding:22px;display:flex;flex-direction:column;gap:8px;box-shadow:-30px 0 60px -30px rgba(0,0,0,.9);}
  .drawer-title{font-size:13px;color:var(--text-3);margin-bottom:6px;}
  .drawer-link{padding:13px 14px;border-radius:var(--radius-btn);background:rgba(255,255,255,.04);border:1px solid var(--line-soft);font-size:15px;color:var(--text);}
  .drawer-link.is-active{background:rgba(23,195,178,.16);border-color:rgba(23,195,178,.4);color:#7FE9DC;}
  .drawer-close{align-self:flex-end;background:transparent;border:0;color:var(--text-2);font-size:14px;cursor:pointer;padding:6px 8px;}

  /* ---------- Hero ---------- */
  .hero{position:relative;padding:76px 0 68px;overflow:hidden;}
  .hero::before{content:"";position:absolute;inset:0;background:
      radial-gradient(720px 380px at 12% -6%,rgba(23,195,178,.16),transparent 70%),
      radial-gradient(560px 320px at 96% 8%,rgba(255,122,69,.13),transparent 70%);
    pointer-events:none;}
  .hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);pointer-events:none;}
  .hero-inner{position:relative;z-index:2;}
  .hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center;}
  .eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.06em;}
  .eyebrow::before{content:"";width:24px;height:1px;background:var(--primary);}
  .hero-title{font-size:clamp(30px,4.6vw,52px);font-weight:600;line-height:1.18;letter-spacing:-.01em;margin:18px 0 16px;color:var(--text);}
  .hero-title em{font-style:normal;color:#6FE7DA;}
  .hero-sub{font-size:17px;color:var(--text-2);line-height:1.8;max-width:560px;margin:0 0 26px;}
  .hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px;}
  .hero-chips{display:flex;flex-wrap:wrap;gap:10px;}
  .chip{display:flex;flex-direction:column;gap:2px;padding:10px 16px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line-soft);min-width:126px;}
  .chip b{font-size:17px;font-weight:600;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3;}
  .chip span{font-size:12.5px;color:var(--text-3);}
  .hero-media{position:relative;border-radius:var(--radius-card);overflow:hidden;aspect-ratio:16/9;background:var(--panel-2);border:1px solid var(--line);box-shadow:var(--shadow-card);}
  .hero-media img{width:100%;height:100%;object-fit:cover;}
  .hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,18,22,.15),rgba(10,18,22,.88));}
  .hero-float{position:absolute;z-index:3;background:rgba(14,26,32,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(23,195,178,.26);border-radius:14px;padding:13px 16px;min-width:170px;}
  .hero-float.f1{left:18px;bottom:18px;}
  .hero-float.f2{right:18px;top:18px;}
  .hero-float b{display:block;font-size:20px;font-weight:600;color:var(--primary);font-variant-numeric:tabular-nums;}
  .hero-float span{font-size:12.5px;color:var(--text-2);}

  /* ---------- 通用板块 ---------- */
  .section{padding:84px 0;position:relative;}
  .section-soft{background:var(--bg-soft);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
  .section-head{max-width:780px;margin-bottom:42px;}
  .section-title{font-size:clamp(24px,3vw,36px);font-weight:600;line-height:1.3;margin:14px 0 12px;color:var(--text);}
  .section-desc{font-size:16px;color:var(--text-2);line-height:1.8;margin:0;}

  /* ---------- 卡片 ---------- */
  .card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);}
  .card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);}
  .card:hover{border-color:rgba(23,195,178,.4);transform:translateY(-2px);box-shadow:0 26px 52px -34px rgba(23,195,178,.6);}
  .card-pad{padding:26px 26px 24px;}
  .card-title{font-size:20px;font-weight:600;color:var(--text);line-height:1.4;margin:0 0 10px;}
  .card-text{font-size:14.8px;color:var(--text-2);line-height:1.8;margin:0;}
  .card-media{aspect-ratio:16/9;background:var(--panel-2);overflow:hidden;}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
  .card:hover .card-media img{transform:scale(1.04);}
  .card-list{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:8px;}
  .card-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
  .card-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:1.5px;background:var(--primary);border-radius:2px;}

  /* ---------- 服务区 ---------- */
  .service-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px;}
  .service-side{display:grid;gap:24px;}
  .service-main .card-media{aspect-ratio:21/9;}
  .service-main .card-pad{padding:30px;}
  .icon-box{width:42px;height:42px;border-radius:12px;background:rgba(23,195,178,.12);border:1px solid rgba(23,195,178,.28);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
  .icon-box svg{width:20px;height:20px;color:var(--primary);}
  .mini-card{display:flex;gap:16px;padding:22px;align-items:flex-start;}
  .mini-card .icon-box{margin-bottom:0;flex:none;}

  /* ---------- 数据带 ---------- */
  .data-band{background:rgba(14,26,32,.66);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(23,195,178,.22);border-radius:var(--radius-card);padding:34px 28px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
  .data-item{padding-right:20px;border-right:1px solid var(--line-soft);}
  .data-item:last-child{border-right:0;padding-right:0;}
  .data-num{font-size:clamp(28px,3.4vw,42px);font-weight:600;color:var(--primary);line-height:1.1;font-variant-numeric:tabular-nums;}
  .data-num small{font-size:16px;font-weight:500;margin-left:4px;color:#7FE9DC;}
  .data-label{display:block;margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
  .data-line{margin-top:14px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),rgba(23,195,178,.05));}

  /* ---------- 案例 ---------- */
  .case-row{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:44px;align-items:center;padding:26px 0;}
  .case-row + .case-row{border-top:1px solid var(--line-soft);}
  .case-row.is-flip .case-media{order:2;}
  .case-media{border-radius:var(--radius-card);overflow:hidden;aspect-ratio:4/3;background:var(--panel-2);border:1px solid var(--line);}
  .case-media img{width:100%;height:100%;object-fit:cover;}
  .case-body h3{font-size:clamp(20px,2.2vw,26px);font-weight:600;margin:14px 0 12px;line-height:1.35;color:var(--text);}
  .case-body p{font-size:15.2px;color:var(--text-2);line-height:1.8;margin:0 0 16px;}
  .case-facts{display:flex;flex-wrap:wrap;gap:12px;}
  .case-fact{padding:10px 14px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line-soft);font-size:13px;color:var(--text-2);}
  .case-fact b{display:block;color:var(--primary);font-size:17px;font-weight:600;font-variant-numeric:tabular-nums;}

  /* ---------- 方案阶梯 ---------- */
  .plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:end;}
  .plan-card{padding:28px;display:flex;flex-direction:column;gap:14px;}
  .plan-card:nth-child(1){min-height:306px;}
  .plan-card:nth-child(2){min-height:352px;border-color:rgba(23,195,178,.3);}
  .plan-card:nth-child(3){min-height:398px;}
  .plan-step{font-size:12.5px;color:var(--text-3);letter-spacing:.16em;font-variant-numeric:tabular-nums;}
  .plan-card h3{font-size:20px;font-weight:600;margin:0;color:var(--text);}
  .plan-card p{font-size:14.6px;color:var(--text-2);line-height:1.8;margin:0;}
  .plan-card .btn{margin-top:auto;}
  .compare-bar{margin-top:28px;border-radius:var(--radius-card);border:1px solid var(--line);background:var(--panel);overflow:hidden;}
  .compare-row{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:0;border-bottom:1px solid var(--line-soft);}
  .compare-row:last-child{border-bottom:0;}
  .compare-row > div{padding:15px 20px;font-size:14px;color:var(--text-2);border-right:1px solid var(--line-soft);}
  .compare-row > div:last-child{border-right:0;}
  .compare-row.head > div{font-weight:600;color:var(--text);background:rgba(23,195,178,.06);}
  .compare-scroll{overflow-x:auto;}
  .compare-scroll .compare-row{min-width:680px;}

  /* ---------- 最新信息 ---------- */
  .news-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px;}
  .news-lead{display:block;padding:0;overflow:hidden;}
  .news-lead .card-media{aspect-ratio:16/9;}
  .news-lead-body{padding:24px 26px 26px;}
  .news-lead h3{font-size:21px;font-weight:600;line-height:1.45;margin:12px 0 10px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .news-lead p{font-size:14.8px;color:var(--text-2);line-height:1.8;margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
  .news-mini-list{display:flex;flex-direction:column;gap:16px;}
  .news-mini{display:block;padding:20px 22px;}
  .news-mini h3{font-size:16.5px;font-weight:600;line-height:1.5;margin:0 0 8px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .news-mini p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .empty-state{min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:36px 24px;border-radius:var(--radius-card);border:1px dashed rgba(23,195,178,.28);background:var(--panel);}
  .empty-state svg{width:44px;height:44px;color:rgba(23,195,178,.4);}
  .empty-state p{margin:0;font-size:14.5px;color:var(--text-2);}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
  .faq-item{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--panel);overflow:hidden;transition:border-color .24s var(--ease);}
  .faq-item.is-open{border-color:rgba(23,195,178,.4);}
  .faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:20px 24px;background:transparent;border:0;color:var(--text);font-size:16.5px;font-weight:600;text-align:left;cursor:pointer;}
  .faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-3px;}
  .faq-idx{flex:none;width:26px;height:26px;border-radius:8px;background:rgba(23,195,178,.12);color:var(--primary);font-size:13px;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;}
  .faq-icon{margin-left:auto;flex:none;width:20px;height:20px;position:relative;transition:transform .24s var(--ease);}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;transform:translate(-50%,-50%);}
  .faq-icon::before{width:14px;height:2px;}
  .faq-icon::after{width:2px;height:14px;transition:opacity .24s var(--ease);}
  .faq-item.is-open .faq-icon{transform:rotate(90deg);}
  .faq-item.is-open .faq-icon::after{opacity:0;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
  .faq-a-inner{padding:0 24px 22px 64px;font-size:14.8px;color:var(--text-2);line-height:1.85;}

  /* ---------- 联系 ---------- */
  .contact-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:36px;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .field{display:flex;flex-direction:column;gap:8px;}
  .field.full{grid-column:1 / -1;}
  .field label{font-size:13.5px;color:var(--text-2);font-weight:500;}
  .field input,.field select,.field textarea{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line-soft);border-radius:var(--radius-btn);padding:12px 14px;color:var(--text);outline:none;transition:border-color .24s var(--ease),background .24s var(--ease);}
  .field textarea{min-height:112px;resize:vertical;line-height:1.7;}
  .field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
  .field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(23,195,178,.6);background:rgba(23,195,178,.07);}
  .field.has-error input,.field.has-error select,.field.has-error textarea{border-color:rgba(255,122,69,.7);}
  .field-error{font-size:12.5px;color:var(--accent);min-height:16px;}
  .form-note{font-size:13px;color:var(--text-3);margin:14px 0 0;}
  .form-alert{margin-top:14px;padding:12px 16px;border-radius:var(--radius-btn);background:rgba(23,195,178,.12);border:1px solid rgba(23,195,178,.35);color:#7FE9DC;font-size:14px;display:none;}
  .form-alert.show{display:block;}
  .contact-info{display:flex;flex-direction:column;gap:18px;}
  .contact-item{padding:18px 20px;border-radius:12px;background:rgba(255,255,255,.035);border:1px solid var(--line-soft);}
  .contact-item b{display:block;font-size:13px;color:var(--text-3);font-weight:500;margin-bottom:6px;}
  .contact-item span{font-size:15.5px;color:var(--text);font-weight:500;}
  .contact-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
  .contact-steps li{display:flex;gap:10px;font-size:14.2px;color:var(--text-2);line-height:1.7;}
  .contact-steps li b{color:var(--primary);font-variant-numeric:tabular-nums;flex:none;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#071013;border-top:1px solid var(--line);padding-top:60px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
  .footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
  .footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;margin:0 0 16px;max-width:320px;}
  .footer-col h4{font-size:13.5px;font-weight:600;color:var(--text);margin:0 0 16px;letter-spacing:.04em;}
  .footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:14px;color:var(--text-2);transition:color .24s var(--ease);}
  .footer-col a:hover{color:var(--primary);}
  .footer-col a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
  .footer-col p{font-size:14px;color:var(--text-2);margin:0;line-height:1.8;}
  .footer-bottom{border-top:1px solid var(--line-soft);padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1180px){
    .hero-grid{gap:40px;}
    .case-row{gap:32px;}
  }
  @media (max-width:1024px){
    .search-box{display:none;}
    .hero-grid{grid-template-columns:1fr;gap:36px;}
    .hero{padding:56px 0 52px;}
    .service-grid{grid-template-columns:1fr;}
    .news-grid{grid-template-columns:1fr;}
    .contact-wrap{grid-template-columns:1fr;gap:28px;padding:28px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .channel-hint{display:none;}
  }
  @media (max-width:900px){
    .menu-toggle{display:inline-flex;}
    .nav-actions .btn-sm{display:none;}
    .data-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
    .data-item:nth-child(2){border-right:0;padding-right:0;}
    .data-item:nth-child(1),.data-item:nth-child(2){padding-bottom:20px;border-bottom:1px solid var(--line-soft);}
    .plan-grid{grid-template-columns:1fr;align-items:stretch;}
    .plan-card:nth-child(1),.plan-card:nth-child(2),.plan-card:nth-child(3){min-height:0;}
    .case-row,.case-row.is-flip{grid-template-columns:1fr;gap:22px;padding:22px 0;}
    .case-row.is-flip .case-media{order:0;}
  }
  @media (max-width:768px){
    .container{padding:0 18px;}
    .section{padding:56px 0;}
    .hero-chips{gap:8px;}
    .chip{flex:1 1 calc(50% - 8px);min-width:0;}
    .status-time{display:none;}
    .brand-sub{display:none;}
    .faq-a-inner{padding-left:24px;}
    .form-grid{grid-template-columns:1fr;}
    .compare-row > div{padding:13px 16px;font-size:13.4px;}
    .contact-wrap{padding:22px;}
  }
  @media (max-width:520px){
    .nav-top-inner{min-height:58px;gap:12px;}
    .brand-mark{width:34px;height:34px;}
    .brand-text{font-size:17px;}
    .hero{padding:44px 0 44px;}
    .hero-cta .btn{width:100%;}
    .hero-float{position:static;margin-top:12px;min-width:0;}
    .hero-float.f1,.hero-float.f2{left:auto;right:auto;top:auto;bottom:auto;}
    .hero-media::after{background:linear-gradient(180deg,rgba(10,18,22,.15),rgba(10,18,22,.9));}
    .data-band{grid-template-columns:1fr;}
    .data-item{border-right:0;padding-right:0;padding-bottom:18px;border-bottom:1px solid var(--line-soft);}
    .data-item:last-child{border-bottom:0;padding-bottom:0;}
    .footer-grid{grid-template-columns:1fr;}
    .mini-card{flex-direction:column;gap:12px;}
    .section-title{font-size:24px;}
    .hero-title{font-size:30px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition-duration:.01ms !important;}
    .card:hover,.btn:hover{transform:none !important;}
  }

/* roulang page: article */
:root{
  --bg:#0A1216;
  --bg-soft:#0E1A20;
  --panel:#12222A;
  --panel-2:#16282F;
  --primary:#17C3B2;
  --primary-soft:rgba(23,195,178,.12);
  --accent:#FF7A45;
  --text:#E8F3F2;
  --text-soft:#D3E1E0;
  --muted:#93AAAC;
  --faint:#6E8385;
  --border:rgba(23,195,178,.14);
  --border-strong:rgba(23,195,178,.38);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-card:0 0 0 1px rgba(23,195,178,.10), 0 22px 46px -30px rgba(0,0,0,.95);
  --glow-primary:0 0 0 1px rgba(23,195,178,.35), 0 16px 32px -16px rgba(23,195,178,.95);
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 560px at 12% -8%, rgba(23,195,178,.10), transparent 62%),
    radial-gradient(880px 480px at 102% 2%, rgba(255,122,69,.07), transparent 58%),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease)}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,18,22,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-top{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#0E8C86);
  box-shadow:0 0 20px rgba(23,195,178,.38);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:18px;font-weight:600;letter-spacing:.01em}
.header-search{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:10px;
  height:40px;padding:0 14px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--border);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.header-search i{color:var(--faint);font-size:14px}
.header-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:14px}
.header-search input::placeholder{color:var(--faint)}
.header-search:focus-within{border-color:rgba(23,195,178,.55);box-shadow:0 0 0 3px rgba(23,195,178,.12)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-btn);
  display:none;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--border);cursor:pointer;
  transition:background-color .24s var(--ease),border-color .24s var(--ease);
}
.icon-btn:hover{background:rgba(23,195,178,.14);border-color:var(--border-strong)}
.mobile-menu{
  display:none;flex-direction:column;gap:6px;
  padding:12px 24px 18px;border-top:1px solid var(--border);
  background:rgba(9,16,20,.96);
}
.mobile-menu a{font-size:15px;color:var(--muted);padding:10px 12px;border-radius:10px}
.mobile-menu a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.mobile-menu.is-open{display:flex}

/* ============ 频道 Tabs ============ */
.channel-bar{
  position:sticky;top:68px;z-index:50;
  background:rgba(10,18,22,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.channel-inner{
  display:flex;align-items:center;gap:8px;height:54px;
  overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex:0 0 auto;scroll-snap-align:start;white-space:nowrap;
  padding:8px 16px 10px;border-radius:var(--radius-pill);font-size:14.5px;
  color:var(--muted);border:1px solid transparent;
  transition:color .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease);
}
.channel-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.channel-link.is-active{
  color:var(--primary);font-weight:600;
  background:rgba(23,195,178,.12);border-color:var(--border-strong);
  box-shadow:0 0 20px -8px rgba(23,195,178,.9);
}
.channel-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(23,195,178,.95);
}
.channel-hint{margin-left:auto;flex:0 0 auto;font-size:13px;color:var(--faint);padding-left:16px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);padding:11px 22px;font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),color .24s var(--ease);
}
.btn-primary{background:var(--primary);color:#04191A;box-shadow:var(--glow-primary)}
.btn-primary:hover{background:#22D8C6;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(23,195,178,.5),0 20px 38px -16px rgba(23,195,178,1)}
.btn-primary:active{transform:none;background:#12A597}
.btn-ghost{background:rgba(255,255,255,.05);border-color:rgba(23,195,178,.3);color:var(--text)}
.btn-ghost:hover{background:rgba(23,195,178,.15);border-color:var(--border-strong);transform:translateY(-2px)}
.btn-ghost:active{transform:none}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{padding:8px 16px;font-size:14px}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;font-size:13.5px;color:var(--faint);
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{opacity:.45}
.crumbs .current{color:var(--muted);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章区 ============ */
.article-wrap{
  display:grid;grid-template-columns:minmax(0,820px) 268px;
  justify-content:space-between;gap:48px;align-items:start;
  padding:26px 0 72px;
}
.article-panel{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:34px 38px 42px;box-shadow:var(--shadow-card);
}
.article-head .badge{margin-bottom:14px}
.article-head h1{
  font-size:clamp(25px,3.2vw,38px);line-height:1.36;font-weight:600;color:var(--text);
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;padding-bottom:22px;
  border-bottom:1px solid var(--border);font-size:13.5px;color:var(--muted);
}
.meta-row i{color:var(--primary);margin-right:6px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);font-size:12.5px;
  color:var(--primary);background:var(--primary-soft);border:1px solid rgba(23,195,178,.3);
}
.badge-accent{color:var(--accent);background:rgba(255,122,69,.1);border-color:rgba(255,122,69,.32)}

.article-body{margin-top:28px;font-size:16.5px;line-height:1.85;color:var(--text-soft)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.25em}
.article-body h2{
  position:relative;font-size:23px;line-height:1.5;color:var(--text);
  margin:2em 0 .8em;padding-left:15px;scroll-margin-top:150px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;border-radius:4px;
  background:var(--primary);box-shadow:0 0 12px rgba(23,195,178,.65);
}
.article-body h3{font-size:19px;color:var(--text);margin:1.7em 0 .6em;scroll-margin-top:150px}
.article-body h4{font-size:17px;color:var(--text);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.45em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.42em 0}
.article-body li::marker{color:var(--primary)}
.article-body blockquote{
  margin:1.5em 0;padding:14px 20px;border-left:3px solid var(--primary);
  background:rgba(23,195,178,.06);border-radius:0 12px 12px 0;color:#B9CFCE;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.5em auto;width:100%;height:auto}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13.5px;color:var(--faint);text-align:center;margin-top:10px}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(23,195,178,.4)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body strong{color:var(--text);font-weight:600}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;margin:1.5em 0;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:rgba(23,195,178,.08);color:var(--text);font-weight:600}
.article-body code{background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;font-size:14px;color:#B7E9E3}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2.2em 0}

.article-foot{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--border);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:var(--radius-pill);
  font-size:13px;color:#A9C6C5;background:rgba(255,255,255,.04);border:1px solid var(--border);
  transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);
}
.tag:hover{color:var(--primary);border-color:var(--border-strong);background:rgba(23,195,178,.1)}
.share-row{display:flex;gap:10px;align-items:center}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:var(--radius-btn);
  font-size:13.5px;color:var(--muted);background:rgba(255,255,255,.04);
  border:1px solid var(--border);cursor:pointer;
  transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);
}
.share-btn:hover{color:var(--primary);border-color:var(--border-strong);background:rgba(23,195,178,.1)}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:64px 20px 68px;color:var(--muted);
}
.empty-state i{font-size:40px;color:rgba(23,195,178,.42);display:block;margin-bottom:18px}
.empty-state .empty-title{font-size:19px;color:var(--text);font-weight:600;margin-bottom:8px}
.empty-state .empty-sub{font-size:14px;color:var(--faint);margin-bottom:22px}

/* ============ 侧栏 ============ */
.side{position:sticky;top:150px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:20px 20px 22px;box-shadow:var(--shadow-card);
}
.side-card h3{font-size:13.5px;color:var(--muted);margin-bottom:14px;letter-spacing:.03em}
.side-text{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.side-card .btn{width:100%}
.side-card .btn + .btn{margin-top:10px}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;max-height:330px;overflow:auto}
.toc-list a{
  display:block;font-size:13.8px;color:var(--muted);padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;line-height:1.55;
}
.toc-list a:hover{color:var(--text);background:rgba(255,255,255,.045)}
.toc-list a.is-current{color:var(--primary);border-left-color:var(--primary);background:rgba(23,195,178,.09)}

/* ============ 延伸阅读 ============ */
.section-related{padding:8px 0 72px}
.section-head{margin-bottom:32px;max-width:640px}
.eyebrow{
  display:inline-block;font-size:13px;color:var(--primary);letter-spacing:.05em;
  margin-bottom:10px;padding-left:12px;position:relative;
}
.eyebrow::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:14px;border-radius:3px;background:var(--primary);box-shadow:0 0 10px rgba(23,195,178,.7);
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.4;margin-bottom:10px}
.section-head p{font-size:15px;color:var(--muted)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rcard{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.rcard:hover{transform:translateY(-2px);border-color:rgba(23,195,178,.42);box-shadow:0 0 0 1px rgba(23,195,178,.26),0 26px 50px -30px rgba(23,195,178,.75)}
.rcard-media{aspect-ratio:16/9;overflow:hidden;background:var(--panel-2)}
.rcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.rcard:hover .rcard-media img{transform:scale(1.05)}
.rcard-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.rcard h3{font-size:17px;line-height:1.55;margin-bottom:8px}
.rcard p{
  font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--faint);
}
.rcard-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--faint)}

/* ============ 底部 CTA ============ */
.cta-band{
  display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
  padding:38px 40px;border-radius:18px;margin-bottom:84px;
  border:1px solid rgba(23,195,178,.28);
  background:linear-gradient(120deg, rgba(23,195,178,.14), rgba(255,122,69,.08));
  backdrop-filter:blur(10px);
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);line-height:1.45;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:#A9C6C5;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:#071013;border-top:1px solid var(--border);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:14px;max-width:360px}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:14px;color:var(--muted);margin-bottom:8px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.06);
  font-size:13px;color:var(--faint);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .related-grid{gap:20px}
}
@media (max-width:1023px){
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:0}
  .side{display:none}
  .header-search{display:none}
  .icon-btn{display:inline-flex}
  .channel-hint{display:none}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .header-top{height:60px;gap:12px}
  .channel-bar{top:60px}
  .channel-inner{height:50px;padding:0 18px;margin:0 -18px}
  .brand-text{font-size:17px}
  .article-wrap{padding:20px 0 56px}
  .article-panel{padding:24px 18px 30px}
  .article-body{font-size:16px;margin-top:22px}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:18px}
  .meta-row{gap:12px;font-size:13px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .section-related{padding-bottom:52px}
  .cta-band{padding:26px 20px;margin-bottom:60px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .crumbs .current{max-width:220px}
}
@media (max-width:520px){
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .article-head h1{font-size:23px}
  .share-row{flex-wrap:wrap}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  .rcard:hover,.btn:hover{transform:none !important}
}

/* roulang page: category1 */
:root{
  --bg:#0A1216;
  --bg-2:#0E1A20;
  --panel:#101E24;
  --panel-2:#13262D;
  --line:rgba(23,195,178,.12);
  --line-mid:rgba(23,195,178,.22);
  --line-strong:rgba(23,195,178,.38);
  --primary:#17C3B2;
  --primary-soft:rgba(23,195,178,.14);
  --accent:#FF7A45;
  --accent-soft:rgba(255,122,69,.14);
  --text:#E8F3F2;
  --text-2:#C3D6D6;
  --muted:#8FA6A9;
  --muted-2:#6E8488;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.03) inset, 0 20px 44px -30px rgba(0,0,0,.9);
  --shadow-glow:0 0 0 1px rgba(23,195,178,.22), 0 18px 40px -22px rgba(23,195,178,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--primary)}
button{font-family:inherit}
h1,h2,h3,h4{font-weight:600;line-height:1.32;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{background:var(--primary);color:#04191A;box-shadow:0 0 0 1px rgba(23,195,178,.35),0 14px 30px -16px rgba(23,195,178,.75)}
.btn-primary:hover{background:#22D9C6;color:#04191A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(23,195,178,.5),0 20px 38px -16px rgba(23,195,178,.85)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(23,195,178,.45),0 8px 18px -14px rgba(23,195,178,.7)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text);border-color:var(--line-mid);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(23,195,178,.12);border-color:var(--line-strong);color:var(--text);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);background:rgba(23,195,178,.16)}
.btn-accent{background:var(--accent);color:#20100A;box-shadow:0 14px 30px -18px rgba(255,122,69,.9)}
.btn-accent:hover{background:#FF8E5F;color:#20100A;transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;border-radius:var(--r-btn);
}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:40;background:rgba(10,18,22,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar{min-height:64px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;gap:18px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);display:grid;place-items:center;box-shadow:0 10px 24px -12px rgba(23,195,178,.9)}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:18px;font-weight:600;letter-spacing:.02em;color:var(--text)}
.brand:hover .brand-text{color:var(--primary)}
.search-box{flex:1;max-width:420px;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 8px 7px 16px}
.search-box i{color:var(--muted);font-size:13px}
.search-box input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--text);font-size:14px}
.search-box input::placeholder{color:var(--muted-2)}
.search-box button{border:0;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);cursor:pointer;transition:background .24s var(--ease)}
.search-box button:hover{background:rgba(23,195,178,.24)}
.topbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line-mid);background:rgba(255,255,255,.04);color:var(--text);cursor:pointer;align-items:center;justify-content:center;font-size:16px}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--primary)}
.channel-bar{border-top:1px solid var(--line);background:rgba(14,26,32,.72)}
.channel-inner{display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex-shrink:0;scroll-snap-align:start;
  padding:8px 16px;border-radius:var(--r-pill);font-size:14px;color:var(--text-2);
  border:1px solid transparent;transition:all .24s var(--ease);
}
.channel-link:hover{color:var(--primary);background:var(--primary-soft);border-color:var(--line-mid)}
.channel-link.is-active{background:var(--primary-soft);color:var(--primary);border-color:var(--line-strong);box-shadow:0 0 0 1px rgba(23,195,178,.14) inset}
.channel-link.is-active::after{content:"";position:absolute;left:18px;right:18px;bottom:-9px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 12px rgba(23,195,178,.9)}
.channel-hint{margin-left:auto;flex-shrink:0;font-size:13px;color:var(--muted-2);white-space:nowrap;padding-left:16px}
.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(84vw,340px);z-index:60;
  background:var(--bg-2);border-left:1px solid var(--line-mid);padding:24px 20px;
  transform:translateX(102%);transition:transform .3s var(--ease);overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line-mid);background:transparent;color:var(--text);cursor:pointer}
.drawer-close:hover{color:var(--accent);border-color:var(--accent)}
.drawer-link{display:block;padding:13px 14px;border-radius:var(--r-btn);color:var(--text-2);font-size:15px;border:1px solid transparent}
.drawer-link:hover{background:var(--primary-soft);color:var(--primary)}
.drawer-link.is-active{background:var(--primary-soft);color:var(--primary);border-color:var(--line-mid)}
.drawer-note{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.9}
.drawer-mask{position:fixed;inset:0;background:rgba(4,10,12,.6);z-index:55;opacity:0;pointer-events:none;transition:opacity .3s var(--ease)}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ============ 通用 ============ */
.section{padding:76px 0}
.section-sm{padding:56px 0}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);letter-spacing:.06em;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--primary)}
.section-head{max-width:680px;margin-bottom:38px}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:15px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--primary-soft);color:var(--primary);border:1px solid var(--line-mid)}
.badge-accent{background:var(--accent-soft);color:var(--accent);border-color:rgba(255,122,69,.28)}
.badge-mute{background:rgba(255,255,255,.05);color:var(--muted);border-color:var(--line)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease)}
.card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.glass{background:rgba(19,38,45,.55);backdrop-filter:blur(12px);border:1px solid var(--line-mid);border-radius:var(--r-card)}
.hairline{height:1px;background:linear-gradient(90deg,transparent,var(--line-mid),transparent)}

/* ============ 面包屑 ============ */
.crumb{padding:18px 0 0;font-size:13px;color:var(--muted-2)}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb li::after{content:"/";margin-left:8px;color:var(--muted-2)}
.crumb li:last-child::after{display:none}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb strong{color:var(--text-2);font-weight:500}

/* ============ 分类 Hero ============ */
.cat-hero{padding:34px 0 0}
.cat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;margin-bottom:32px}
.cat-hero h1{font-size:clamp(28px,4vw,42px);margin-bottom:16px}
.cat-hero h1 em{font-style:normal;color:var(--primary)}
.cat-hero-sub{color:var(--text-2);font-size:16px;max-width:560px;margin-bottom:22px}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.cat-hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-mid);aspect-ratio:16/10;background:var(--panel-2)}
.cat-hero-figure img{width:100%;height:100%;object-fit:cover}
.cat-hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,18,22,0) 45%,rgba(10,18,22,.72) 100%)}
.cat-hero-figure figcaption{position:absolute;left:16px;bottom:14px;z-index:2;font-size:13px;color:var(--text-2)}
.banner-strip{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-mid);aspect-ratio:3/1;margin-bottom:8px}
.banner-strip img{width:100%;height:100%;object-fit:cover}
.banner-strip::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,18,22,.86) 0%,rgba(10,18,22,.35) 60%,rgba(10,18,22,.1) 100%)}
.banner-strip .banner-text{position:absolute;left:24px;top:50%;transform:translateY(-50%);z-index:2;max-width:520px}
.banner-strip .banner-text strong{display:block;font-size:18px;font-weight:600;margin-bottom:6px}
.banner-strip .banner-text span{font-size:13px;color:var(--text-2)}

/* ============ 拆解要点 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.point-list{display:flex;flex-direction:column;gap:16px}
.point{display:flex;gap:16px;padding:20px;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line);transition:border-color .24s var(--ease),transform .24s var(--ease)}
.point:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.point-idx{flex-shrink:0;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:14px;font-weight:600;color:var(--primary);background:var(--primary-soft);border:1px solid var(--line-mid);font-variant-numeric:tabular-nums}
.point h3{font-size:17px;margin-bottom:6px}
.point p{font-size:14px;color:var(--muted)}
.figure-card{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-mid);background:var(--panel-2);aspect-ratio:4/3}
.figure-card img{width:100%;height:100%;object-fit:cover}
.stat-chips{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.chip{padding:14px 16px;border-radius:var(--r-card);background:var(--panel-2);border:1px solid var(--line);text-align:center}
.chip b{display:block;font-size:20px;color:var(--primary);font-variant-numeric:tabular-nums}
.chip span{font-size:12px;color:var(--muted)}

/* ============ 参数表 ============ */
.table-wrap{border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel);overflow:hidden}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.spec{min-width:760px;font-size:14px}
table.spec th,table.spec td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.spec thead th{background:var(--panel-2);color:var(--text);font-size:13px;font-weight:600;letter-spacing:.02em;border-bottom:1px solid var(--line-mid)}
table.spec tbody tr:hover{background:rgba(23,195,178,.05)}
table.spec tbody tr:last-child td{border-bottom:0}
table.spec td:first-child{font-weight:600;color:var(--text)}
table.spec td{color:var(--text-2)}
.table-note{padding:14px 18px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);background:rgba(255,255,255,.02)}

/* ============ 流程时间线 ============ */
.timeline{position:relative;margin-top:10px;padding-left:28px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--primary),rgba(23,195,178,.08))}
.tl-item{position:relative;padding:0 0 26px 24px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-28px;top:6px;width:18px;height:18px;border-radius:50%;background:var(--bg-2);border:2px solid var(--primary);box-shadow:0 0 14px rgba(23,195,178,.45)}
.tl-item h3{font-size:17px;margin-bottom:6px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tl-item p{font-size:14px;color:var(--muted)}

/* ============ 场景交错 ============ */
.scene-row{display:grid;grid-template-columns:5fr 7fr;gap:30px;align-items:center;padding:24px;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line);transition:border-color .24s var(--ease),transform .24s var(--ease)}
.scene-row + .scene-row{margin-top:22px}
.scene-row:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.scene-row.reverse{grid-template-columns:7fr 5fr}
.scene-row.reverse .scene-figure{order:2}
.scene-figure{border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:var(--panel-2)}
.scene-figure img{width:100%;height:100%;object-fit:cover}
.scene-body h3{font-size:20px;margin:12px 0 10px}
.scene-body p{font-size:14px;color:var(--muted);margin-bottom:12px}
.scene-body ul{display:flex;flex-direction:column;gap:7px}
.scene-body li{font-size:14px;color:var(--text-2);padding-left:18px;position:relative}
.scene-body li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;border-radius:2px;background:var(--primary)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel);overflow:hidden}
.faq-item:hover{border-color:var(--line-mid)}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;background:transparent;border:0;color:var(--text);font-size:16px;font-weight:600;text-align:left;cursor:pointer}
.faq-q .q-idx{flex-shrink:0;font-size:13px;color:var(--primary);font-variant-numeric:tabular-nums;width:22px}
.faq-q .q-icon{margin-left:auto;flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-mid);display:grid;place-items:center;color:var(--primary);transition:transform .24s var(--ease),background .24s var(--ease)}
.faq-item.is-open .q-icon{transform:rotate(45deg);background:var(--primary-soft)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 20px 20px 56px;font-size:14px;color:var(--muted)}
.faq-item.is-open{border-color:var(--line-strong)}

/* ============ 链接列表 ============ */
.link-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--panel)}
.link-row{display:flex;align-items:center;gap:16px;padding:18px 20px;border-bottom:1px solid var(--line);transition:background .24s var(--ease),padding .24s var(--ease)}
.link-row:last-child{border-bottom:0}
.link-row:hover{background:rgba(23,195,178,.06);padding-left:26px}
.link-row .lr-ico{width:36px;height:36px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);font-size:14px}
.link-row .lr-body{flex:1;min-width:0}
.link-row .lr-body strong{display:block;font-size:15px;font-weight:600}
.link-row .lr-body span{font-size:13px;color:var(--muted)}
.link-row .lr-arrow{color:var(--muted-2);flex-shrink:0}
.link-row:hover .lr-arrow{color:var(--primary)}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line-mid);background:rgba(19,38,45,.6);backdrop-filter:blur(12px);padding:28px}
.cta-band::before{content:"";position:absolute;width:280px;height:280px;right:-90px;top:-120px;border-radius:50%;background:radial-gradient(circle,rgba(23,195,178,.26),transparent 68%)}
.cta-band-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between}
.cta-band h3{font-size:22px;margin-bottom:6px}
.cta-band p{font-size:14px;color:var(--muted)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 表单 ============ */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--text-2);font-weight:600}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.03);border:1px solid var(--line-mid);border-radius:var(--r-btn);
  padding:12px 14px;color:var(--text);font-size:14px;outline:none;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)
}
.field textarea{min-height:104px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,195,178,.14)}
.field .hint{font-size:12px;color:var(--muted-2)}
.field .error{font-size:12px;color:var(--accent);display:none}
.field.has-error input,.field.has-error select{border-color:var(--accent)}
.field.has-error .error{display:block}
.form-side{padding:24px;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line)}
.form-side dl{display:flex;flex-direction:column;gap:14px}
.form-side dt{font-size:13px;color:var(--muted-2)}
.form-side dd{margin:2px 0 0;font-size:15px;color:var(--text)}

/* ============ 页脚 ============ */
.site-footer{margin-top:80px;background:#08110F;border-top:1px solid var(--line);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px}
.footer-brand .brand-mark svg{width:18px;height:18px}
.brand-text{font-size:17px;font-weight:600}
.footer-desc{font-size:13px;color:var(--muted);line-height:1.85;margin-bottom:14px}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col p{font-size:13px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--muted-2)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:24px}
  .split{grid-template-columns:1fr}
  .scene-row,.scene-row.reverse{grid-template-columns:1fr}
  .scene-row.reverse .scene-figure{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .section-sm{padding:42px 0}
  .channel-hint{display:none}
  .banner-strip{aspect-ratio:16/9}
  .banner-strip .banner-text{max-width:82%}
  .stat-chips{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .topbar-actions .btn{display:none}
  .cat-hero h1{font-size:26px}
  .stat-chips{grid-template-columns:1fr}
  .faq-a p{padding-left:20px}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .card:hover,.point:hover,.link-row:hover,.btn-primary:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --bg:#0A1216;
  --bg-soft:#0E1A20;
  --panel:#102028;
  --panel-2:#132730;
  --line:rgba(23,195,178,.14);
  --line-soft:rgba(255,255,255,.06);
  --line-strong:rgba(23,195,178,.38);
  --primary:#17C3B2;
  --primary-deep:#14AD9E;
  --primary-soft:rgba(23,195,178,.12);
  --accent:#FF7A45;
  --accent-soft:rgba(255,122,69,.12);
  --text:#E7F1F2;
  --text-2:#A6BABE;
  --text-3:#7B9095;
  --radius:16px;
  --radius-sm:10px;
  --pill:999px;
  --shadow:0 20px 46px -28px rgba(0,0,0,.9);
  --glow:0 0 0 1px rgba(23,195,178,.22), 0 16px 38px -20px rgba(23,195,178,.75);
  --ease:cubic-bezier(.22,.61,.36,1);
  --fs-h1:clamp(30px,4.6vw,52px);
  --fs-h2:clamp(24px,3vw,36px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  background:
    radial-gradient(1100px 560px at 10% -8%, rgba(23,195,178,.12), transparent 62%),
    radial-gradient(900px 520px at 92% -4%, rgba(255,122,69,.08), transparent 58%),
    var(--bg);
  background-attachment:fixed;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.32;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 22px}
.section{padding:86px 0}
.section--tight{padding:64px 0}
.section-head{max-width:740px;margin-bottom:40px}
.section-head h2{font-size:var(--fs-h2)}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--primary);letter-spacing:.06em;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.muted{color:var(--text-3);font-size:13.5px}
.num{font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,18,22,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-top{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,#22D6C4,#0F9A90);
  box-shadow:0 0 0 1px rgba(23,195,178,.4),0 12px 26px -14px rgba(23,195,178,.95);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:19px;font-weight:600;letter-spacing:.01em;color:var(--text)}
.brand:hover .brand-text{color:var(--primary)}
.header-search{
  margin-left:auto;display:flex;align-items:center;gap:9px;
  flex:1 1 260px;max-width:340px;min-width:230px;
  padding:9px 14px;border-radius:var(--radius-sm);
  background:var(--panel);border:1px solid var(--line);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.header-search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(23,195,178,.12)}
.header-search svg{width:16px;height:16px;flex:0 0 auto;color:var(--text-3)}
.header-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px}
.header-search input::placeholder{color:var(--text-3)}
.header-cta{flex:0 0 auto}
.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:0;border-radius:var(--radius-sm);
  background:var(--panel);border:1px solid var(--line);cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;margin:0 auto;border-radius:2px;background:var(--text-2);transition:transform .24s var(--ease),opacity .24s var(--ease)}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Channel bar ---------- */
.channel-bar{background:rgba(14,26,32,.74);border-top:1px solid var(--line-soft)}
.channel-inner{
  display:flex;align-items:center;gap:10px;height:54px;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex:0 0 auto;scroll-snap-align:start;
  padding:8px 17px;border-radius:var(--pill);
  font-size:14px;color:var(--text-2);
  border:1px solid transparent;
  transition:color .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.channel-link:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line-soft)}
.channel-link.is-active{
  color:#04191A;font-weight:600;background:var(--primary);
  box-shadow:0 0 0 1px rgba(23,195,178,.45),0 12px 26px -14px rgba(23,195,178,.95);
}
.channel-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-4px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(23,195,178,.95);
}
.channel-hint{
  flex:0 0 auto;margin-left:auto;padding-left:18px;
  font-size:13px;color:var(--text-3);white-space:nowrap;
}
.mobile-drawer{display:none;padding:12px 22px 22px;border-top:1px solid var(--line);background:rgba(10,18,22,.98)}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{display:block;padding:12px 0;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line-soft)}
.mobile-drawer a.is-active{color:var(--primary)}
.mobile-drawer a:last-child{border-bottom:0}

/* ---------- Buttons / badge ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-primary{
  color:#04191A;background:var(--primary);
  box-shadow:0 0 0 1px rgba(23,195,178,.42),0 14px 30px -14px rgba(23,195,178,.95);
}
.btn-primary:hover{background:#1FD8C5;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(23,195,178,.55),0 20px 38px -16px rgba(23,195,178,1)}
.btn-primary:active{transform:none;background:var(--primary-deep)}
.btn-ghost{
  color:var(--text);background:rgba(255,255,255,.035);
  border-color:var(--line);backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:rgba(23,195,178,.12);border-color:var(--line-strong);transform:translateY(-2px)}
.btn-ghost:active{transform:none;background:rgba(23,195,178,.18)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--pill);font-size:13px;
  color:var(--primary);background:var(--primary-soft);border:1px solid rgba(23,195,178,.28);
}
.badge-accent{color:var(--accent);background:var(--accent-soft);border-color:rgba(255,122,69,.32)}

/* ---------- Category hero ---------- */
.cat-hero{position:relative;padding:42px 0 0;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(23,195,178,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(23,195,178,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(720px 320px at 22% 18%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(720px 320px at 22% 18%,#000,transparent 72%);
}
.cat-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:24px}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{color:var(--text-3)}
.cat-hero-head{max-width:830px}
.cat-hero h1{font-size:var(--fs-h1);margin:16px 0 18px}
.cat-hero-desc{max-width:780px;font-size:17px;line-height:1.82;color:var(--text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-facts li{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 15px;border-radius:var(--pill);
  font-size:13.5px;color:var(--text-2);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.hero-facts li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.cat-hero-media{
  position:relative;margin:40px 0 0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--panel-2);
  aspect-ratio:3 / 1;box-shadow:var(--shadow);
}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;opacity:.92}
.cat-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,18,22,.78),rgba(10,18,22,0) 62%)}
.cat-hero-media figcaption{position:absolute;left:24px;right:24px;bottom:18px;z-index:2;font-size:13px;color:var(--text-2)}

/* ---------- Capability block ---------- */
.grid-5-7{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:start}
.lead-list{display:grid;gap:14px;margin-top:26px}
.lead-list li{position:relative;padding-left:24px;color:var(--text-2);font-size:15px}
.lead-list li::before{
  content:"";position:absolute;left:0;top:11px;width:12px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 8px rgba(23,195,178,.8);
}
.cap-item{
  display:grid;grid-template-columns:54px 1fr;gap:18px;
  padding:22px;margin-bottom:14px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.035);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.cap-item:last-child{margin-bottom:0}
.cap-item:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--glow)}
.cap-num{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;
  color:var(--primary);background:var(--primary-soft);border:1px solid rgba(23,195,178,.28);
}
.cap-item h3{font-size:19px}
.cap-item p{margin-top:8px;font-size:14.5px;color:var(--text-2)}
.cap-meta{margin-top:10px;font-size:13px;color:var(--text-3)}

/* ---------- Metric strip ---------- */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(120deg,rgba(23,195,178,.10),rgba(255,122,69,.05)),var(--bg-soft);
  backdrop-filter:blur(10px);
}
.metric-cell{padding:26px 24px;background:rgba(10,18,22,.35)}
.metric-cell h3{font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.02em}
.metric-value{margin-top:10px;font-size:38px;font-weight:600;line-height:1.1;color:var(--primary);font-variant-numeric:tabular-nums}
.metric-value small{font-size:15px;font-weight:500;margin-left:4px;color:var(--text-2)}
.metric-cell p{margin-top:8px;font-size:13.5px;color:var(--text-3)}

/* ---------- Table ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);box-shadow:inset 0 1px 0 rgba(255,255,255,.035);
}
.table-wrap table{width:100%;min-width:760px;border-collapse:collapse;font-variant-numeric:tabular-nums}
.table-wrap thead th{
  padding:16px 20px;text-align:left;font-size:13px;font-weight:600;color:var(--text-3);
  background:rgba(23,195,178,.06);border-bottom:1px solid var(--line);white-space:nowrap;
}
.table-wrap tbody td{padding:16px 20px;font-size:14.5px;color:var(--text-2);border-bottom:1px solid var(--line-soft);vertical-align:top}
.table-wrap tbody tr:last-child td{border-bottom:0}
.table-wrap tbody tr:hover{background:rgba(23,195,178,.035)}
.table-wrap tbody td:first-child{color:var(--text);font-weight:600;white-space:nowrap}
.cell-cycle{color:var(--accent);font-weight:600}
.table-note{margin-top:14px;font-size:13px;color:var(--text-3)}

/* ---------- Timeline ---------- */
.grid-4-8{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:10px;width:1px;background:linear-gradient(180deg,var(--primary),rgba(23,195,178,.05))}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 14px rgba(23,195,178,.75);
}
.tl-item h3{font-size:19px}
.tl-item h3 em{font-style:normal;color:var(--accent);font-size:13px;margin-left:10px;font-weight:600;font-variant-numeric:tabular-nums}
.tl-item p{margin-top:8px;color:var(--text-2);font-size:14.5px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--panel);overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.035);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--glow)}
.faq-item summary{
  display:flex;align-items:flex-start;gap:14px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-idx{
  flex:0 0 auto;width:27px;height:27px;border-radius:var(--pill);
  display:grid;place-items:center;font-size:12.5px;font-variant-numeric:tabular-nums;
  color:var(--primary);background:var(--primary-soft);border:1px solid rgba(23,195,178,.26);
}
.faq-icon{position:relative;flex:0 0 auto;width:18px;height:18px;margin-left:auto;margin-top:5px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease),background .24s var(--ease)}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon::before{background:var(--primary)}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 22px 22px 63px;color:var(--text-2);font-size:14.5px}
.faq-item[open] .faq-body{animation:faqIn .24s var(--ease)}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- Link cards ---------- */
.link-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.link-card{
  display:grid;grid-template-columns:104px 1fr;gap:16px;align-items:center;
  padding:16px;border-radius:14px;background:var(--panel);border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.035);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.link-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--glow)}
.link-card img{width:104px;height:76px;object-fit:cover;border-radius:10px;background:var(--panel-2)}
.link-card h3{font-size:16px}
.link-card p{margin-top:6px;font-size:13.5px;color:var(--text-3);line-height:1.6}
.link-card .link-more{margin-top:8px;font-size:13px;color:var(--primary)}

/* ---------- CTA band ---------- */
.cta-band{
  display:grid;grid-template-columns:1.35fr .95fr;gap:40px;align-items:center;
  padding:46px;border-radius:22px;border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(23,195,178,.16),rgba(255,122,69,.09) 62%,transparent),var(--panel);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(23px,2.6vw,32px)}
.cta-band p{margin-top:14px;color:var(--text-2);font-size:15px}
.cta-actions{display:grid;gap:14px}
.cta-actions .btn-accent{
  color:#26120A;background:var(--accent);
  box-shadow:0 0 0 1px rgba(255,122,69,.45),0 16px 34px -14px rgba(255,122,69,.95);
}
.cta-actions .btn-accent:hover{background:#FF8D5F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,122,69,.6),0 20px 40px -14px rgba(255,122,69,1)}
.cta-actions .btn-accent:active{transform:none;background:#EC6A34}
.cta-note{font-size:13px;color:var(--text-3);text-align:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:66px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:40px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--primary)}
.footer-col p{font-size:14px;color:var(--text-2);margin-bottom:8px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.78;margin-bottom:16px;max-width:340px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .header-search{flex:0 0 auto;min-width:0;max-width:none;padding:10px 12px;cursor:pointer}
  .header-search input{display:none}
  .grid-5-7,.grid-4-8{grid-template-columns:1fr;gap:34px}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .header-top{height:62px;gap:12px}
  .header-cta{display:none}
  .menu-toggle{display:inline-flex}
  .channel-hint{display:none}
  .cat-hero{padding-top:30px}
  .cat-hero-media{aspect-ratio:16 / 9;margin-top:30px}
  .cat-hero-media figcaption{left:16px;right:16px;bottom:14px;font-size:12px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .link-grid{grid-template-columns:1fr}
  .faq-body{padding-left:22px}
}
@media (max-width:520px){
  .header-search{display:none}
  .brand-text{font-size:17px}
  .hero-actions .btn{width:100%}
  .hero-facts li{font-size:13px;padding:7px 12px}
  .metric-strip{grid-template-columns:1fr}
  .cap-item{grid-template-columns:1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr}
  .link-card{grid-template-columns:1fr}
  .link-card img{width:100%;height:140px}
  .cta-band{padding:26px 20px;border-radius:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .btn:hover,.cap-item:hover,.link-card:hover{transform:none !important}
}