/* roulang page: index */
:root{
      --primary:#123c35;
      --primary-2:#0f4f45;
      --primary-deep:#071f1b;
      --secondary:#20e0c4;
      --secondary-soft:rgba(32,224,196,.14);
      --accent:#7c4dff;
      --accent-2:#d8ff5a;
      --bg:#f5f7f2;
      --bg-2:#eef4ef;
      --surface:#ffffff;
      --surface-soft:rgba(255,255,255,.76);
      --text:#14201d;
      --muted:#5c6b66;
      --muted-2:#7d8b86;
      --border:rgba(18,60,53,.12);
      --border-strong:rgba(32,224,196,.35);
      --shadow:0 18px 50px rgba(15,79,69,.14);
      --shadow-strong:0 26px 70px rgba(15,79,69,.22);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --sidebar:108px;
      --container:1180px;
      --ease:all .28s cubic-bezier(.2,.7,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 88% 8%, rgba(32,224,196,.16), transparent 30%),
        radial-gradient(circle at 20% 38%, rgba(124,77,255,.08), transparent 28%),
        linear-gradient(135deg,var(--bg),var(--bg-2));
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(32,224,196,.25);color:var(--primary-deep)}
    :focus-visible{
      outline:3px solid rgba(32,224,196,.65);
      outline-offset:3px;
      border-radius:12px;
    }

    .site-shell{min-height:100vh}
    .side-nav{
      position:fixed;
      left:18px;
      top:18px;
      bottom:18px;
      width:var(--sidebar);
      z-index:1040;
      padding:18px 12px;
      border:1px solid rgba(32,224,196,.18);
      border-radius:28px;
      background:
        linear-gradient(180deg,rgba(18,60,53,.98),rgba(7,31,27,.98)),
        radial-gradient(circle at top,rgba(32,224,196,.2),transparent 40%);
      box-shadow:0 24px 70px rgba(7,31,27,.28);
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:space-between;
    }
    .brand-mark{
      width:76px;
      display:flex;
      flex-direction:column;
      align-items:center;
      gap:9px;
      color:#fff;
      text-align:center;
    }
    .brand-icon{
      width:46px;height:46px;border-radius:18px;
      display:grid;place-items:center;
      color:var(--primary-deep);
      font-weight:900;
      letter-spacing:-1px;
      background:linear-gradient(135deg,var(--accent-2),var(--secondary));
      box-shadow:0 0 0 6px rgba(32,224,196,.09),0 14px 30px rgba(32,224,196,.22);
      position:relative;
    }
    .brand-icon:after{
      content:"";
      position:absolute;
      inset:-7px;
      border:1px solid rgba(216,255,90,.2);
      border-radius:22px;
    }
    .brand-name{
      font-size:12px;
      line-height:1.35;
      font-weight:800;
      color:#ecfff9;
    }
    .side-menu{
      width:100%;
      display:flex;
      flex-direction:column;
      gap:10px;
      margin:22px 0;
    }
    .side-link{
      position:relative;
      min-height:66px;
      padding:9px 8px;
      border-radius:20px;
      color:rgba(236,255,249,.72);
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      font-size:12px;
      font-weight:700;
    }
    .side-link .nav-symbol{
      width:26px;height:26px;border-radius:10px;
      display:grid;place-items:center;
      background:rgba(255,255,255,.06);
      color:var(--secondary);
      font-size:14px;
      transition:var(--ease);
    }
    .side-link:hover{
      background:rgba(32,224,196,.12);
      color:#fff;
      transform:translateX(2px);
    }
    .side-link:hover .nav-symbol{
      background:rgba(216,255,90,.15);
      color:var(--accent-2);
      transform:translateY(-1px);
    }
    .side-link.active{
      background:linear-gradient(135deg,rgba(32,224,196,.22),rgba(124,77,255,.16));
      color:#fff;
      box-shadow:inset 0 0 0 1px rgba(32,224,196,.22);
    }
    .side-link.active:before{
      content:"";
      position:absolute;
      left:-12px;
      top:18px;
      bottom:18px;
      width:4px;
      border-radius:999px;
      background:linear-gradient(180deg,var(--accent-2),var(--secondary));
      box-shadow:0 0 16px rgba(32,224,196,.75);
    }
    .side-cta{
      width:100%;
      padding:12px 8px;
      border-radius:20px;
      background:rgba(255,255,255,.07);
      color:rgba(236,255,249,.78);
      text-align:center;
      font-size:11px;
      line-height:1.45;
      border:1px solid rgba(255,255,255,.08);
    }
    .side-cta strong{
      display:block;
      color:var(--accent-2);
      font-size:12px;
      margin-bottom:3px;
    }

    .mobile-nav{
      display:none;
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(245,247,242,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--border);
    }
    .mobile-nav .navbar{
      min-height:68px;
      padding:10px 16px;
    }
    .mobile-logo{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      color:var(--primary);
    }
    .mobile-logo .brand-icon{width:40px;height:40px;border-radius:15px}
    .navbar-toggler{
      border:1px solid var(--border);
      border-radius:16px;
      padding:9px 11px;
      background:#fff;
      box-shadow:0 10px 25px rgba(15,79,69,.08);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(32,224,196,.18)}
    .mobile-panel{
      margin:8px 16px 16px;
      padding:12px;
      border:1px solid var(--border);
      border-radius:22px;
      background:rgba(255,255,255,.94);
      box-shadow:var(--shadow);
    }
    .mobile-panel a{
      display:flex;
      align-items:center;
      gap:10px;
      min-height:46px;
      padding:10px 12px;
      border-radius:15px;
      font-weight:800;
      color:var(--primary);
    }
    .mobile-panel a.active,
    .mobile-panel a:hover{
      background:var(--secondary-soft);
      color:var(--primary-deep);
    }

    .main-content{
      margin-left:calc(var(--sidebar) + 46px);
      padding:32px 34px 0;
    }
    .page-container{
      width:min(100%,var(--container));
      margin:0 auto;
    }
    .section-pad{padding:86px 0}
    .section-pad-sm{padding:64px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:26px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(32,224,196,.12);
      color:var(--primary-2);
      border:1px solid rgba(32,224,196,.22);
      font-size:13px;
      font-weight:800;
      letter-spacing:.2px;
    }
    .section-kicker:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--secondary);
      box-shadow:0 0 0 5px rgba(32,224,196,.16);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(2.05rem,4.4vw,3.55rem);
      line-height:1.12;
      letter-spacing:-1.4px;
      font-weight:900;
      color:var(--text);
      margin-bottom:22px;
    }
    h2{
      font-size:clamp(1.55rem,2.7vw,2.35rem);
      line-height:1.22;
      letter-spacing:-.8px;
      font-weight:900;
      color:var(--text);
      margin-bottom:14px;
    }
    h3{
      font-size:1.22rem;
      line-height:1.35;
      font-weight:900;
      margin-bottom:10px;
      color:var(--text);
    }
    .lead-text{
      color:var(--muted);
      font-size:1.08rem;
      line-height:1.85;
    }
    .muted{color:var(--muted)}
    .text-limit{max-width:700px}

    .hero-wrap{
      position:relative;
      overflow:hidden;
      min-height:680px;
      border-radius:var(--radius-xl);
      padding:42px;
      background:
        linear-gradient(115deg,rgba(245,247,242,.95) 0%,rgba(238,244,239,.86) 46%,rgba(18,60,53,.92) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border:1px solid rgba(18,60,53,.1);
      box-shadow:var(--shadow);
      isolation:isolate;
    }
    .hero-wrap:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(255,255,255,.48),transparent 44%),
        radial-gradient(circle at 78% 22%,rgba(32,224,196,.38),transparent 30%),
        radial-gradient(circle at 92% 82%,rgba(216,255,90,.18),transparent 22%);
      z-index:-1;
    }
    .hero-wrap:after{
      content:"";
      position:absolute;
      right:-80px;
      top:-90px;
      width:360px;
      height:360px;
      border-radius:50%;
      border:1px solid rgba(32,224,196,.22);
      box-shadow:inset 0 0 60px rgba(32,224,196,.12);
      z-index:-1;
    }
    .hero-content{
      position:relative;
      z-index:1;
      min-height:594px;
      display:flex;
      align-items:center;
    }
    .hero-copy{max-width:610px}
    .hero-copy .brand-line{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:9px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(32,224,196,.28);
      box-shadow:0 10px 30px rgba(15,79,69,.08);
      color:var(--primary-2);
      font-size:13px;
      font-weight:900;
      margin-bottom:22px;
    }
    .hero-copy .brand-line span{
      width:9px;height:9px;border-radius:50%;
      background:var(--accent-2);
      box-shadow:0 0 0 6px rgba(216,255,90,.18);
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:14px;
      margin:30px 0 26px;
      flex-wrap:wrap;
    }
    .btn-vibe{
      --btn-bg:linear-gradient(135deg,var(--primary-2),var(--secondary));
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:50px;
      padding:13px 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:900;
      letter-spacing:.1px;
      transition:var(--ease);
      position:relative;
      overflow:hidden;
      white-space:nowrap;
    }
    .btn-vibe:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,transparent,rgba(255,255,255,.22),transparent);
      transform:translateX(-110%);
      transition:transform .55s ease;
    }
    .btn-vibe:hover:before{transform:translateX(110%)}
    .btn-vibe.primary{
      color:#fff;
      background:var(--btn-bg);
      box-shadow:0 16px 35px rgba(15,79,69,.22);
    }
    .btn-vibe.primary:hover{
      transform:translateY(-3px);
      box-shadow:0 24px 45px rgba(15,79,69,.28);
    }
    .btn-vibe.secondary{
      color:var(--primary);
      background:rgba(255,255,255,.74);
      border-color:rgba(18,60,53,.16);
      box-shadow:0 12px 28px rgba(15,79,69,.08);
    }
    .btn-vibe.secondary:hover{
      transform:translateY(-3px);
      background:rgba(32,224,196,.14);
      border-color:rgba(32,224,196,.38);
    }
    .mini-note{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      font-size:.94rem;
      max-width:560px;
    }
    .mini-note i{
      flex:0 0 22px;
      width:22px;height:22px;border-radius:50%;
      background:var(--accent-2);
      color:var(--primary);
      display:grid;place-items:center;
      font-style:normal;
      font-size:12px;
      font-weight:900;
      margin-top:3px;
    }
    .hero-panel{
      position:absolute;
      right:38px;
      bottom:38px;
      width:min(430px,42%);
      border-radius:30px;
      padding:18px;
      background:rgba(7,31,27,.78);
      border:1px solid rgba(32,224,196,.22);
      box-shadow:0 24px 70px rgba(7,31,27,.32);
      backdrop-filter:blur(16px);
      color:#effffb;
    }
    .hero-device{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      aspect-ratio:16/10;
      background:#0b2d27;
    }
    .hero-device img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.78;
      transform:scale(1.02);
    }
    .hero-device:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent,rgba(7,31,27,.72));
    }
    .panel-caption{
      position:absolute;
      left:18px;
      right:18px;
      bottom:16px;
      z-index:1;
    }
    .panel-caption strong{display:block;font-size:1.05rem;margin-bottom:4px}
    .panel-caption span{display:block;color:rgba(239,255,251,.72);font-size:.9rem;line-height:1.55}
    .metric-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:14px;
    }
    .metric-pill{
      padding:12px 10px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
      text-align:center;
    }
    .metric-pill b{
      display:block;
      font-size:1.35rem;
      line-height:1.1;
      color:var(--accent-2);
    }
    .metric-pill span{
      display:block;
      margin-top:5px;
      font-size:12px;
      color:rgba(239,255,251,.74);
      line-height:1.35;
    }

    .pain-zone{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:stretch;
    }
    .pain-list{
      display:grid;
      gap:16px;
    }
    .pain-item{
      display:grid;
      grid-template-columns:46px 1fr;
      gap:15px;
      padding:20px;
      border-radius:24px;
      background:rgba(255,255,255,.72);
      border:1px solid var(--border);
      box-shadow:0 10px 26px rgba(15,79,69,.07);
      transition:var(--ease);
    }
    .pain-item:hover{
      transform:translateY(-4px);
      border-color:rgba(32,224,196,.3);
      box-shadow:var(--shadow);
    }
    .pain-index{
      width:46px;height:46px;border-radius:17px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(32,224,196,.22),rgba(216,255,90,.24));
      color:var(--primary);
      font-weight:900;
    }
    .pain-item p{margin:0;color:var(--muted);font-size:.98rem}
    .notice-panel{
      position:relative;
      overflow:hidden;
      min-height:100%;
      border-radius:30px;
      padding:30px;
      color:#ecfff9;
      background:
        linear-gradient(145deg,rgba(18,60,53,.95),rgba(7,31,27,.96)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border:1px solid rgba(32,224,196,.18);
      box-shadow:var(--shadow);
    }
    .notice-panel:after{
      content:"";
      position:absolute;
      width:220px;height:220px;
      right:-70px;bottom:-70px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(32,224,196,.28),transparent 66%);
    }
    .notice-panel h3{color:#fff;font-size:1.6rem;max-width:360px}
    .notice-panel p{color:rgba(236,255,249,.75);position:relative;z-index:1}
    .pulse-list{position:relative;z-index:1;margin:24px 0 0;padding:0;list-style:none;display:grid;gap:12px}
    .pulse-list li{
      display:flex;align-items:center;gap:10px;
      padding:11px 13px;
      border-radius:16px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.08);
      color:rgba(236,255,249,.86);
      font-weight:700;
      font-size:.94rem;
    }
    .pulse-list li:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--secondary);
      box-shadow:0 0 14px rgba(32,224,196,.75);
    }

    .solution-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
    }
    .solution-stack{display:grid;gap:18px}
    .solution-card{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      padding:26px;
      background:linear-gradient(145deg,rgba(255,255,255,.82),rgba(238,244,239,.82));
      border:1px solid var(--border);
      box-shadow:0 12px 34px rgba(15,79,69,.08);
      transition:var(--ease);
      min-height:210px;
    }
    .solution-card:hover{
      transform:translateY(-4px);
      border-color:rgba(32,224,196,.36);
      box-shadow:var(--shadow);
    }
    .solution-card.featured{
      min-height:438px;
      padding:30px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        linear-gradient(145deg,rgba(255,255,255,.84),rgba(238,244,239,.76)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
    }
    .solution-card.featured:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(255,255,255,.92),rgba(255,255,255,.58),rgba(18,60,53,.2));
      z-index:0;
    }
    .solution-card > *{position:relative;z-index:1}
    .card-tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      width:max-content;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(32,224,196,.13);
      color:var(--primary-2);
      font-size:12px;
      font-weight:900;
      border:1px solid rgba(32,224,196,.22);
      margin-bottom:16px;
    }
    .card-tag.purple{background:rgba(124,77,255,.1);border-color:rgba(124,77,255,.18);color:#4d31ad}
    .card-tag.yellow{background:rgba(216,255,90,.25);border-color:rgba(216,255,90,.34);color:#4e6310}
    .solution-card p{color:var(--muted);margin-bottom:18px}
    .link-cta{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-2);
      font-weight:900;
      font-size:.94rem;
    }
    .link-cta:hover{color:var(--accent);gap:12px}

    .category-entry{
      border-radius:30px;
      padding:30px;
      background:
        linear-gradient(135deg,rgba(18,60,53,.94),rgba(15,79,69,.88)),
        url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
      color:#fff;
      overflow:hidden;
      border:1px solid rgba(32,224,196,.2);
      box-shadow:var(--shadow);
    }
    .category-entry p{color:rgba(236,255,249,.78);max-width:760px}
    .category-entry .btn-vibe.secondary{
      background:rgba(255,255,255,.12);
      color:#fff;
      border-color:rgba(255,255,255,.22);
    }

    .metric-strip{
      border-radius:30px;
      padding:25px;
      background:rgba(255,255,255,.72);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .metric-card{
      padding:20px 16px;
      border-radius:22px;
      background:linear-gradient(145deg,#fff,rgba(238,244,239,.8));
      border:1px solid rgba(18,60,53,.09);
      transition:var(--ease);
    }
    .metric-card:hover{
      transform:translateY(-3px);
      border-color:rgba(32,224,196,.32);
    }
    .metric-card b{
      display:inline-flex;
      min-width:58px;
      height:58px;
      align-items:center;
      justify-content:center;
      padding:0 10px;
      margin-bottom:14px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--accent-2),var(--secondary));
      color:var(--primary-deep);
      font-size:1.1rem;
      font-weight:900;
      box-shadow:0 14px 28px rgba(32,224,196,.18);
    }
    .metric-card h3{font-size:1.05rem}
    .metric-card p{margin:0;color:var(--muted);font-size:.94rem}

    .process-band{
      border-radius:32px;
      padding:34px;
      background:
        linear-gradient(135deg,rgba(238,244,239,.88),rgba(255,255,255,.82)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .process-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      margin-top:26px;
    }
    .process-card{
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(18,60,53,.1);
      box-shadow:0 12px 26px rgba(15,79,69,.07);
    }
    .process-num{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      margin-bottom:15px;
      background:var(--primary);
      color:var(--accent-2);
      font-weight:900;
    }
    .process-card p{margin:0;color:var(--muted)}

    .quote-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .quote-card{
      position:relative;
      padding:26px;
      border-radius:28px;
      background:rgba(255,255,255,.76);
      border:1px solid var(--border);
      box-shadow:0 14px 34px rgba(15,79,69,.08);
      transition:var(--ease);
    }
    .quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(32,224,196,.32)}
    .quote-mark{
      font-size:46px;
      line-height:1;
      color:rgba(32,224,196,.62);
      font-weight:900;
      margin-bottom:4px;
    }
    .quote-card p{color:var(--muted);margin-bottom:18px}
    .quote-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-size:.9rem;
      color:var(--primary);
      font-weight:900;
    }

    .faq-wrap{
      border-radius:32px;
      padding:30px;
      background:rgba(255,255,255,.68);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .accordion{display:grid;gap:14px}
    .accordion-item{
      border:1px solid rgba(18,60,53,.1)!important;
      border-radius:22px!important;
      overflow:hidden;
      background:rgba(255,255,255,.86);
      box-shadow:0 10px 24px rgba(15,79,69,.06);
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:900;
      color:var(--text);
      background:rgba(255,255,255,.88);
      box-shadow:none!important;
      border-radius:22px!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary);
      background:linear-gradient(135deg,rgba(32,224,196,.14),rgba(216,255,90,.16));
    }
    .accordion-button:focus{box-shadow:0 0 0 4px rgba(32,224,196,.18)!important}
    .accordion-button::after{
      width:22px;height:22px;
      border-radius:50%;
      background-color:rgba(32,224,196,.16);
      background-size:14px;
      background-position:center;
      padding:4px;
    }
    .accordion-body{
      padding:0 22px 22px;
      color:var(--muted);
      line-height:1.85;
      background:linear-gradient(135deg,rgba(32,224,196,.05),rgba(255,255,255,.84));
    }

    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:38px;
      color:#fff;
      background:
        radial-gradient(circle at 84% 18%,rgba(216,255,90,.24),transparent 25%),
        linear-gradient(135deg,var(--primary),#08221e 58%,#18265a);
      border:1px solid rgba(32,224,196,.22);
      box-shadow:var(--shadow-strong);
    }
    .cta-panel:before{
      content:"";
      position:absolute;
      left:-80px;
      bottom:-90px;
      width:300px;height:300px;border-radius:50%;
      background:radial-gradient(circle,rgba(32,224,196,.24),transparent 70%);
    }
    .cta-panel h2{color:#fff}
    .cta-panel p{color:rgba(236,255,249,.78);max-width:680px}
    .cta-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:20px;
    }
    .cta-tags span{
      padding:8px 12px;
      border-radius:999px;
      color:rgba(236,255,249,.88);
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12);
      font-size:13px;
      font-weight:800;
    }
    .cta-panel .btn-vibe.secondary{
      color:#fff;
      background:rgba(255,255,255,.1);
      border-color:rgba(255,255,255,.22);
    }

    .site-footer{
      margin-top:86px;
      padding:42px 0 26px;
      background:linear-gradient(180deg,rgba(7,31,27,.97),rgba(5,20,17,.99));
      color:rgba(236,255,249,.78);
      border-top-left-radius:34px;
      border-top-right-radius:34px;
      border-top:1px solid rgba(32,224,196,.18);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:900;
      margin-bottom:12px;
    }
    .footer-brand .brand-icon{width:42px;height:42px;border-radius:16px}
    .site-footer p{color:rgba(236,255,249,.66);margin-bottom:0}
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px 18px;
      justify-content:flex-end;
    }
    .footer-links a{
      color:rgba(236,255,249,.76);
      font-weight:800;
      font-size:.94rem;
    }
    .footer-links a:hover{color:var(--secondary)}
    .footer-bottom{
      margin-top:28px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.09);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:.9rem;
      color:rgba(236,255,249,.54);
    }

    @media (max-width:1199.98px){
      :root{--sidebar:96px}
      .side-nav{left:12px;top:12px;bottom:12px;width:96px}
      .main-content{margin-left:124px;padding:24px 22px 0}
      .hero-panel{width:44%;right:24px;bottom:24px}
      .metric-strip{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991.98px){
      .side-nav{display:none}
      .mobile-nav{display:block}
      .main-content{margin-left:0;padding:22px 16px 0}
      .hero-wrap{padding:30px;min-height:auto}
      .hero-content{min-height:auto;display:block}
      .hero-copy{max-width:100%}
      .hero-panel{position:relative;right:auto;bottom:auto;width:100%;margin-top:28px}
      .pain-zone,.solution-grid{grid-template-columns:1fr}
      .solution-card.featured{min-height:360px}
      .process-grid,.quote-grid{grid-template-columns:1fr}
      .section-pad{padding:66px 0}
      .section-head{display:block}
      .section-head .lead-text{margin-top:10px}
      .footer-links{justify-content:flex-start;margin-top:22px}
    }
    @media (max-width:767.98px){
      .hero-wrap{border-radius:26px;padding:24px}
      .hero-actions{align-items:stretch}
      .btn-vibe{width:100%}
      .metric-row{grid-template-columns:1fr}
      .pain-item{grid-template-columns:40px 1fr;padding:18px}
      .pain-index{width:40px;height:40px;border-radius:15px}
      .notice-panel,.category-entry,.faq-wrap,.cta-panel,.process-band{padding:24px;border-radius:26px}
      .metric-strip{grid-template-columns:1fr;padding:18px}
      .solution-card,.quote-card{border-radius:24px;padding:22px}
      .solution-card.featured{min-height:330px}
      .section-pad{padding:54px 0}
      .section-pad-sm{padding:46px 0}
      .site-footer{margin-top:60px;border-top-left-radius:26px;border-top-right-radius:26px}
    }
    @media (max-width:575.98px){
      .main-content{padding:16px 12px 0}
      .hero-wrap{padding:20px}
      h1{letter-spacing:-.8px}
      .lead-text{font-size:1rem}
      .hero-copy .brand-line{font-size:12px}
      .metric-pill b{font-size:1.15rem}
      .process-band,.faq-wrap,.cta-panel{padding:20px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root{
      --primary:#123C35;
      --primary-2:#0F4F45;
      --secondary:#20E0C4;
      --accent:#7C4DFF;
      --warm:#D8FF5A;
      --bg:#F5F7F2;
      --bg-soft:#EEF4EF;
      --text:#14201D;
      --muted:#5C6B66;
      --line:rgba(18,60,53,.12);
      --line-strong:rgba(32,224,196,.34);
      --white:#fff;
      --shadow:0 18px 50px rgba(15,79,69,.14);
      --shadow-hover:0 24px 70px rgba(15,79,69,.22);
      --radius-lg:32px;
      --radius-md:24px;
      --radius-sm:18px;
      --sidebar:108px;
      --container:1180px;
      --ease:all .28s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 78% 8%, rgba(32,224,196,.16), transparent 32%),
        radial-gradient(circle at 8% 28%, rgba(124,77,255,.10), transparent 28%),
        linear-gradient(180deg,var(--bg),#FFFFFF 42%,var(--bg-soft));
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary-2)}
    img{max-width:100%;display:block}
    button,a,input{font-family:inherit}
    :focus-visible{
      outline:3px solid rgba(32,224,196,.58);
      outline-offset:3px;
      border-radius:14px;
    }

    .page-shell{
      min-height:100vh;
    }
    .page-container{
      width:min(var(--container), calc(100% - 56px));
      margin:0 auto;
    }
    .main-content{
      margin-left:var(--sidebar);
      min-height:100vh;
    }
    .content-pad{
      padding:34px 34px 0;
    }

    .sidebar{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--sidebar);
      z-index:1040;
      background:
        linear-gradient(180deg,rgba(18,60,53,.98),rgba(8,20,18,.98)),
        radial-gradient(circle at top,rgba(32,224,196,.25),transparent 42%);
      border-right:1px solid rgba(32,224,196,.22);
      box-shadow:14px 0 38px rgba(10,29,26,.18);
      display:flex;
      flex-direction:column;
      align-items:center;
      padding:18px 12px;
    }
    .brand-mark{
      width:76px;
      min-height:88px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:8px;
      color:#fff;
      text-align:center;
      border:1px solid rgba(32,224,196,.26);
      border-radius:24px;
      background:linear-gradient(160deg,rgba(32,224,196,.12),rgba(124,77,255,.10));
      box-shadow:inset 0 0 22px rgba(32,224,196,.08);
      margin-bottom:22px;
    }
    .brand-icon{
      width:38px;
      height:38px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      letter-spacing:-.5px;
      color:#10201D;
      background:linear-gradient(135deg,var(--warm),var(--secondary));
      box-shadow:0 10px 26px rgba(32,224,196,.24);
    }
    .brand-mark strong{
      font-size:12px;
      line-height:1.25;
      font-weight:800;
    }
    .side-menu{
      width:100%;
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top:4px;
    }
    .side-link{
      position:relative;
      min-height:72px;
      color:rgba(255,255,255,.72);
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:10px 8px;
      border-radius:20px;
      font-size:12px;
      font-weight:700;
      line-height:1.25;
      text-align:center;
    }
    .side-link::before{
      content:"";
      position:absolute;
      left:-12px;
      top:18px;
      bottom:18px;
      width:4px;
      border-radius:999px;
      background:transparent;
      transition:var(--ease);
    }
    .side-link:hover{
      color:#fff;
      background:rgba(32,224,196,.12);
      transform:translateX(2px);
    }
    .side-link.active{
      color:#0B1B18;
      background:linear-gradient(135deg,var(--secondary),var(--warm));
      box-shadow:0 12px 30px rgba(32,224,196,.24);
    }
    .side-link.active::before{
      background:linear-gradient(180deg,var(--secondary),var(--accent));
    }
    .nav-symbol{
      font-size:19px;
      line-height:1;
    }
    .sidebar-foot{
      margin-top:auto;
      width:100%;
      padding-top:16px;
      color:rgba(255,255,255,.58);
      font-size:11px;
      text-align:center;
      word-break:break-word;
    }
    .mini-cta{
      display:block;
      margin-bottom:12px;
      padding:10px 8px;
      border-radius:18px;
      color:#D8FF5A;
      border:1px solid rgba(216,255,90,.22);
      background:rgba(216,255,90,.08);
      font-weight:800;
    }
    .mini-cta:hover{color:#fff;background:rgba(32,224,196,.13)}

    .mobile-nav{
      display:none;
      position:sticky;
      top:0;
      z-index:1050;
      background:rgba(245,247,242,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      box-shadow:0 8px 30px rgba(15,79,69,.08);
    }
    .mobile-nav .navbar{
      min-height:70px;
      padding:10px 0;
    }
    .mobile-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      color:var(--primary);
    }
    .mobile-brand .brand-icon{width:40px;height:40px}
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:16px;
      padding:10px 12px;
      background:#fff;
      box-shadow:0 10px 24px rgba(15,79,69,.10);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(32,224,196,.20)}
    .mobile-panel{
      margin:10px 0 16px;
      padding:12px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .mobile-panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:48px;
      padding:12px 14px;
      border-radius:16px;
      font-weight:800;
      color:var(--primary);
    }
    .mobile-panel a.active,
    .mobile-panel a:hover{
      background:linear-gradient(135deg,rgba(32,224,196,.18),rgba(216,255,90,.16));
    }

    .section{
      padding:76px 0;
    }
    .section.compact{padding:48px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid rgba(32,224,196,.34);
      border-radius:999px;
      background:rgba(32,224,196,.10);
      color:var(--primary-2);
      font-size:13px;
      font-weight:800;
      line-height:1.2;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--secondary);
      box-shadow:0 0 0 6px rgba(32,224,196,.12);
    }
    h1,h2,h3{
      color:var(--text);
      letter-spacing:-.03em;
      margin:0;
    }
    h1{
      font-size:clamp(32px,4.4vw,54px);
      line-height:1.14;
      font-weight:900;
      margin-top:18px;
    }
    h2{
      font-size:clamp(26px,3.2vw,38px);
      line-height:1.22;
      font-weight:850;
      margin-bottom:16px;
    }
    h3{
      font-size:clamp(20px,2vw,24px);
      line-height:1.35;
      font-weight:850;
    }
    .lead-text{
      font-size:18px;
      color:var(--muted);
      max-width:760px;
      margin:18px 0 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .section-head p{
      max-width:560px;
      margin:0;
      color:var(--muted);
    }

    .btn-vibe{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 22px;
      border-radius:999px;
      font-weight:850;
      border:1px solid transparent;
      transition:var(--ease);
      line-height:1.2;
      white-space:nowrap;
    }
    .btn-main{
      color:#0E1F1B;
      background:linear-gradient(135deg,var(--secondary),var(--warm));
      box-shadow:0 16px 36px rgba(32,224,196,.24);
    }
    .btn-main:hover{
      color:#0E1F1B;
      transform:translateY(-3px);
      box-shadow:0 22px 46px rgba(32,224,196,.34);
      filter:saturate(1.08);
    }
    .btn-ghost{
      color:var(--primary);
      background:rgba(255,255,255,.64);
      border-color:rgba(18,60,53,.16);
      box-shadow:0 12px 28px rgba(15,79,69,.08);
    }
    .btn-ghost:hover{
      color:var(--primary);
      background:rgba(32,224,196,.13);
      border-color:rgba(32,224,196,.38);
      transform:translateY(-3px);
    }
    .link-cta{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-2);
      font-weight:850;
      margin-top:14px;
    }
    .link-cta:hover{gap:12px;color:#0B6A5C}

    .category-hero{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:54px;
      background:
        linear-gradient(115deg,rgba(18,60,53,.96),rgba(15,79,69,.80) 46%,rgba(124,77,255,.62)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      color:#fff;
      box-shadow:var(--shadow);
      isolation:isolate;
    }
    .category-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(6,18,15,.72),rgba(6,18,15,.16)),
        radial-gradient(circle at 86% 18%,rgba(216,255,90,.22),transparent 28%),
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:auto,auto,34px 34px,34px 34px;
      z-index:-1;
    }
    .category-hero h1,
    .category-hero .lead-text{
      color:#fff;
    }
    .category-hero .lead-text{
      color:rgba(255,255,255,.78);
    }
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:28px;
    }
    .hero-cover{
      position:relative;
      border-radius:28px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.18);
      box-shadow:0 22px 60px rgba(0,0,0,.24);
      min-height:390px;
      background:#10231f;
    }
    .hero-cover img{
      width:100%;
      height:100%;
      min-height:390px;
      object-fit:cover;
      transform:scale(1.02);
      opacity:.9;
    }
    .hero-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 30%,rgba(7,19,17,.86));
    }
    .floating-panel{
      position:absolute;
      left:20px;
      right:20px;
      bottom:20px;
      z-index:2;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.22);
      backdrop-filter:blur(14px);
      color:#fff;
    }
    .panel-row{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      font-size:13px;
      color:rgba(255,255,255,.78);
    }
    .panel-row strong{font-size:24px;color:var(--warm)}
    .tag-list{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      color:var(--primary);
      background:rgba(255,255,255,.78);
      border:1px solid rgba(255,255,255,.36);
    }
    .tag.dark{
      color:#fff;
      background:rgba(32,224,196,.14);
      border-color:rgba(32,224,196,.28);
    }

    .topic-tabs-wrap{
      overflow:hidden;
    }
    .topic-tabs{
      display:flex;
      gap:12px;
      padding:12px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 14px 40px rgba(15,79,69,.08);
      overflow-x:auto;
      scrollbar-width:none;
    }
    .topic-tabs::-webkit-scrollbar{display:none}
    .topic-tab{
      flex:0 0 auto;
      padding:11px 18px;
      border-radius:999px;
      font-weight:850;
      color:var(--muted);
      border:1px solid transparent;
      background:rgba(238,244,239,.72);
    }
    .topic-tab.active{
      color:#0E1F1B;
      background:linear-gradient(135deg,var(--secondary),var(--warm));
      box-shadow:0 10px 24px rgba(32,224,196,.18);
    }
    .topic-tab:hover{
      color:var(--primary);
      border-color:rgba(32,224,196,.32);
      background:rgba(32,224,196,.10);
    }

    .feature-board{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:24px;
    }
    .featured-card,
    .compact-list,
    .article-card,
    .seo-note,
    .scenario-card{
      background:rgba(255,255,255,.82);
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .featured-card:hover,
    .article-card:hover,
    .scenario-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(32,224,196,.38);
    }
    .featured-card{
      overflow:hidden;
    }
    .featured-media{
      position:relative;
      aspect-ratio:16/9;
      overflow:hidden;
      background:var(--primary);
    }
    .featured-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .42s ease;
    }
    .featured-card:hover .featured-media img{transform:scale(1.06)}
    .featured-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(10,24,21,.08),rgba(10,24,21,.58));
    }
    .media-badge{
      position:absolute;
      top:18px;
      left:18px;
      z-index:2;
      padding:8px 12px;
      border-radius:999px;
      color:#10201D;
      background:linear-gradient(135deg,var(--warm),var(--secondary));
      font-size:13px;
      font-weight:900;
    }
    .featured-body{
      padding:26px;
    }
    .featured-body p,
    .article-card p,
    .compact-item p,
    .scenario-card p{
      color:var(--muted);
      margin:10px 0 0;
    }
    .compact-list{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .compact-item{
      display:grid;
      grid-template-columns:52px 1fr;
      gap:14px;
      padding:16px;
      border-radius:20px;
      background:linear-gradient(135deg,rgba(238,244,239,.88),rgba(255,255,255,.78));
      border:1px solid rgba(18,60,53,.08);
      transition:var(--ease);
    }
    .compact-item:hover{
      background:linear-gradient(135deg,rgba(32,224,196,.13),rgba(216,255,90,.12));
      border-color:rgba(32,224,196,.30);
      transform:translateX(4px);
    }
    .num{
      width:52px;
      height:52px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      color:#10201D;
      background:linear-gradient(135deg,var(--secondary),rgba(216,255,90,.88));
    }
    .mini-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
    }
    .mini-tag{
      display:inline-flex;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(32,224,196,.10);
      color:var(--primary-2);
      font-size:12px;
      font-weight:850;
    }

    .article-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:22px;
      margin-top:24px;
    }
    .article-card{
      overflow:hidden;
      display:grid;
      grid-template-columns:180px 1fr;
      min-height:210px;
    }
    .article-thumb{
      position:relative;
      overflow:hidden;
      background:var(--primary);
    }
    .article-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .42s ease;
    }
    .article-card:hover .article-thumb img{transform:scale(1.07)}
    .article-content{
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }

    .seo-note{
      position:relative;
      overflow:hidden;
      padding:34px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.88),rgba(238,244,239,.86)),
        radial-gradient(circle at 90% 20%,rgba(32,224,196,.14),transparent 32%);
    }
    .seo-note::before{
      content:"";
      position:absolute;
      left:0;
      top:32px;
      bottom:32px;
      width:6px;
      border-radius:0 999px 999px 0;
      background:linear-gradient(180deg,var(--secondary),var(--accent));
    }
    .seo-note p{
      color:var(--muted);
      font-size:17px;
      margin:14px 0 0;
    }
    .note-list{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:24px;
    }
    .note-pill{
      padding:15px 16px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--primary);
      font-weight:850;
      box-shadow:0 10px 24px rgba(15,79,69,.06);
    }

    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .scenario-card{
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .scenario-card::after{
      content:"";
      position:absolute;
      right:-26px;
      top:-26px;
      width:86px;
      height:86px;
      border-radius:50%;
      background:rgba(32,224,196,.12);
    }
    .scenario-icon{
      width:48px;
      height:48px;
      border-radius:17px;
      display:flex;
      align-items:center;
      justify-content:center;
      margin-bottom:16px;
      color:#10201D;
      font-weight:900;
      background:linear-gradient(135deg,var(--warm),var(--secondary));
    }

    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--line);
      border-radius:22px!important;
      overflow:hidden;
      background:rgba(255,255,255,.84);
      box-shadow:0 12px 32px rgba(15,79,69,.07);
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:900;
      color:var(--text);
      background:rgba(255,255,255,.78);
      box-shadow:none!important;
      border:0;
      border-radius:22px!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary);
      background:linear-gradient(135deg,rgba(32,224,196,.15),rgba(216,255,90,.16));
    }
    .accordion-button::after{
      width:28px;
      height:28px;
      border-radius:50%;
      background-color:rgba(32,224,196,.16);
      background-position:center;
      padding:8px;
      filter:none;
    }
    .accordion-button:focus{
      border-color:rgba(32,224,196,.42);
      box-shadow:0 0 0 4px rgba(32,224,196,.14)!important;
    }
    .accordion-body{
      color:var(--muted);
      padding:0 22px 22px;
      line-height:1.8;
    }

    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:38px;
      color:#fff;
      background:
        linear-gradient(120deg,rgba(18,60,53,.98),rgba(15,79,69,.92) 46%,rgba(124,77,255,.78)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      box-shadow:var(--shadow-hover);
    }
    .cta-band::before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 82% 20%,rgba(216,255,90,.22),transparent 26%);
      pointer-events:none;
    }
    .cta-band h2,
    .cta-band p{
      color:#fff;
      position:relative;
      z-index:1;
    }
    .cta-band p{color:rgba(255,255,255,.76);margin:12px 0 0}
    .cta-actions{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:flex-end;
      gap:14px;
      flex-wrap:wrap;
    }

    .site-footer{
      margin-top:78px;
      padding:48px 0 30px;
      color:rgba(255,255,255,.78);
      background:
        linear-gradient(180deg,rgba(18,60,53,.98),rgba(7,18,16,.99)),
        radial-gradient(circle at 16% 0,rgba(32,224,196,.18),transparent 34%);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:20px;
      font-weight:900;
      margin-bottom:14px;
    }
    .site-footer p{
      max-width:620px;
      margin:0;
      color:rgba(255,255,255,.68);
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:12px;
    }
    .footer-links a{
      padding:10px 13px;
      border-radius:999px;
      color:rgba(255,255,255,.76);
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      font-weight:750;
    }
    .footer-links a:hover{
      color:#10201D;
      background:linear-gradient(135deg,var(--secondary),var(--warm));
      border-color:transparent;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.58);
      font-size:14px;
    }

    @media (max-width:1199.98px){
      :root{--sidebar:96px}
      .content-pad{padding:26px 24px 0}
      .category-hero{padding:38px}
      .article-card{grid-template-columns:150px 1fr}
    }
    @media (max-width:991.98px){
      .sidebar{display:none}
      .mobile-nav{display:block}
      .main-content{margin-left:0}
      .content-pad{padding:22px 0 0}
      .page-container{width:min(100% - 34px, var(--container))}
      .category-hero{padding:30px}
      .hero-cover{min-height:320px;margin-top:26px}
      .hero-cover img{min-height:320px}
      .feature-board{grid-template-columns:1fr}
      .article-grid{grid-template-columns:1fr}
      .note-list{grid-template-columns:1fr}
      .scenario-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .cta-actions{justify-content:flex-start;margin-top:24px}
      .footer-links{justify-content:flex-start}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:767.98px){
      .section{padding:54px 0}
      .section.compact{padding:36px 0}
      .category-hero{border-radius:26px;padding:24px}
      .hero-actions .btn-vibe{width:100%}
      .tag-list{gap:8px}
      .feature-board{gap:18px}
      .featured-body{padding:22px}
      .compact-item{grid-template-columns:44px 1fr;padding:14px}
      .num{width:44px;height:44px;border-radius:15px}
      .article-card{grid-template-columns:1fr}
      .article-thumb{aspect-ratio:16/9}
      .seo-note{padding:26px 22px 26px 26px}
      .cta-band{padding:28px 22px}
      .cta-actions .btn-vibe{width:100%}
    }
    @media (max-width:575.98px){
      .page-container{width:min(100% - 24px, var(--container))}
      h1{font-size:31px}
      .lead-text{font-size:16px}
      .category-hero{padding:20px}
      .hero-cover,
      .hero-cover img{min-height:260px}
      .floating-panel{left:12px;right:12px;bottom:12px;padding:14px}
      .panel-row strong{font-size:20px}
      .topic-tabs{padding:9px}
      .topic-tab{padding:10px 14px}
      .site-footer{margin-top:54px}
    }