/* roulang page: index */
:root{
      --brand:#1769ff;
      --brand-600:#0f55d8;
      --brand-700:#0a3fa8;
      --accent:#18b7c7;
      --ink:#102033;
      --ink-2:#30445f;
      --muted:#67758a;
      --soft:#eef5ff;
      --soft-2:#f6f9fe;
      --white:#ffffff;
      --dark:#0b1730;
      --dark-2:#111f3d;
      --line:#dce6f3;
      --line-2:#edf2f8;
      --success:#18a957;
      --warning:#ffb020;
      --danger:#df4b4b;
      --radius-sm:10px;
      --radius:18px;
      --radius-lg:28px;
      --shadow-sm:0 8px 24px rgba(20,55,100,.08);
      --shadow:0 18px 50px rgba(28,73,131,.14);
      --shadow-lg:0 26px 70px rgba(12,31,70,.22);
      --container:1180px;
      --trans:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(23,105,255,.10), transparent 28%),
        linear-gradient(180deg,#f8fbff 0%,#ffffff 42%,#f7faff 100%);
      line-height:1.72;
      min-width:320px;
    }
    a{color:inherit;text-decoration:none;transition:var(--trans)}
    a:hover{color:var(--brand)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{
      font:inherit;
      outline:none;
    }
    button{cursor:pointer}
    ::selection{background:rgba(23,105,255,.16);color:var(--brand-700)}

    .site-shell{overflow:hidden}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .section{
      padding:74px 0;
      position:relative;
    }
    .section-tight{padding:46px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:28px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand);
      background:rgba(23,105,255,.08);
      border:1px solid rgba(23,105,255,.14);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:700;
      margin-bottom:12px;
    }
    .section-title{
      margin:0;
      font-size:clamp(26px,3.2vw,42px);
      line-height:1.22;
      letter-spacing:-.02em;
      color:var(--ink);
    }
    .section-desc{
      margin:10px 0 0;
      max-width:680px;
      color:var(--muted);
      font-size:16px;
    }
    .subtle-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand-600);
      font-weight:700;
      white-space:nowrap;
    }
    .subtle-link:hover{gap:12px;color:var(--brand-700)}

    .topbar{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,230,243,.82);
      box-shadow:0 10px 30px rgba(20,50,90,.05);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:-.03em;
      color:var(--ink);
      min-width:max-content;
    }
    .logo-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:linear-gradient(135deg,var(--brand),#65d8ff);
      box-shadow:0 12px 26px rgba(23,105,255,.24);
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      position:relative;
    }
    .logo-mark:after{
      content:"";
      width:12px;
      height:12px;
      border-radius:999px;
      background:#fff;
      opacity:.92;
      position:absolute;
      right:9px;
      top:9px;
    }
    .brand-text{font-size:18px}
    .nav-center{
      display:flex;
      align-items:center;
      gap:16px;
      flex:1;
      justify-content:center;
      min-width:0;
    }
    .nav-menu{
      display:flex;
      align-items:center;
      gap:8px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-menu a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:10px 14px;
      border-radius:999px;
      color:var(--ink-2);
      font-weight:800;
      font-size:14px;
    }
    .nav-menu a:hover,
    .nav-menu a.active{
      background:var(--soft);
      color:var(--brand-700);
    }
    .phase-chips{
      display:flex;
      align-items:center;
      gap:7px;
      padding-left:14px;
      border-left:1px solid var(--line);
      overflow:auto;
      scrollbar-width:none;
    }
    .phase-chips::-webkit-scrollbar{display:none}
    .phase-chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--muted);
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }
    .phase-chip.is-live{
      color:#0b6b38;
      background:rgba(24,169,87,.10);
      border-color:rgba(24,169,87,.22);
    }
    .phase-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:currentColor;
      box-shadow:0 0 0 4px rgba(24,169,87,.10);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .search-mini{
      width:190px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      background:var(--soft-2);
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--muted);
      transition:var(--trans);
    }
    .search-mini:focus-within{
      border-color:rgba(23,105,255,.5);
      box-shadow:0 0 0 4px rgba(23,105,255,.10);
      background:#fff;
    }
    .search-mini input{
      width:100%;
      border:0;
      background:transparent;
      color:var(--ink);
      height:24px;
      box-shadow:none;
      margin:0;
      padding:0;
      font-size:13px;
    }
    .search-mini input::placeholder{color:#8a98aa}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--ink);
      align-items:center;
      justify-content:center;
      box-shadow:var(--shadow-sm);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:900;
      letter-spacing:.01em;
      box-shadow:none;
      transition:var(--trans);
      line-height:1.1;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),#39b7ff);
      box-shadow:0 15px 28px rgba(23,105,255,.24);
    }
    .btn-primary:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 22px 38px rgba(23,105,255,.30);
    }
    .btn-secondary{
      color:var(--brand-700);
      background:#fff;
      border-color:rgba(23,105,255,.22);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{
      color:var(--brand-700);
      border-color:rgba(23,105,255,.45);
      transform:translateY(-2px);
    }
    .btn-dark{
      color:#fff;
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.22);
    }
    .btn-dark:hover{
      color:#fff;
      background:rgba(255,255,255,.20);
      transform:translateY(-2px);
    }
    .btn:focus-visible,
    .nav-menu a:focus-visible,
    .subtle-link:focus-visible,
    .menu-toggle:focus-visible{
      outline:3px solid rgba(23,105,255,.22);
      outline-offset:3px;
    }

    .hero{
      padding:36px 0 70px;
    }
    .hero-panel{
      position:relative;
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(10,24,50,.98),rgba(13,41,86,.96) 52%,rgba(11,71,112,.96)),
        radial-gradient(circle at 76% 18%,rgba(101,216,255,.34),transparent 25%);
      color:#fff;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      min-height:520px;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px),
        linear-gradient(180deg,rgba(255,255,255,.05) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(90deg,rgba(0,0,0,.7),transparent 78%);
      pointer-events:none;
    }
    .hero-content{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.75fr);
      gap:30px;
      align-items:stretch;
      padding:48px;
    }
    .hero-entry{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:30px;
      min-height:424px;
    }
    .hero-label-row{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
    }
    .hero-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.10);
      color:#eaf5ff;
      padding:8px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      backdrop-filter:blur(12px);
    }
    .hero-label.strong{background:rgba(24,169,87,.18);border-color:rgba(24,169,87,.34)}
    h1{
      margin:22px 0 0;
      max-width:820px;
      font-size:clamp(34px,5vw,62px);
      line-height:1.08;
      letter-spacing:-.055em;
      color:#fff;
    }
    .hero-summary{
      margin:20px 0 0;
      max-width:760px;
      color:#c8d7ee;
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-data{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:780px;
    }
    .hero-data-item{
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      border-radius:18px;
      padding:16px;
      backdrop-filter:blur(14px);
    }
    .hero-data-item strong{
      display:block;
      color:#fff;
      font-size:24px;
      line-height:1;
      letter-spacing:-.02em;
    }
    .hero-data-item span{
      display:block;
      margin-top:8px;
      color:#bfd0e8;
      font-size:13px;
    }
    .rank-board{
      background:rgba(255,255,255,.94);
      color:var(--ink);
      border-radius:28px;
      padding:18px;
      align-self:stretch;
      box-shadow:0 24px 60px rgba(0,0,0,.22);
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .rank-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:6px 6px 10px;
      border-bottom:1px solid var(--line-2);
    }
    .rank-title{
      font-size:18px;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .rank-refresh{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--brand-700);
      font-size:12px;
      font-weight:900;
      background:var(--soft);
      border-radius:999px;
      padding:7px 10px;
    }
    .rank-list{
      list-style:none;
      margin:0;
      padding:0;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .rank-item{
      display:grid;
      grid-template-columns:34px 1fr auto;
      gap:10px;
      align-items:center;
      padding:13px 12px;
      border-radius:18px;
      border:1px solid var(--line-2);
      background:linear-gradient(180deg,#fff,#f9fbff);
      transition:var(--trans);
    }
    .rank-item:hover{
      transform:translateY(-2px);
      border-color:rgba(23,105,255,.24);
      box-shadow:var(--shadow-sm);
    }
    .rank-no{
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      border-radius:10px;
      background:var(--soft);
      color:var(--brand-700);
      font-weight:900;
      font-size:13px;
    }
    .rank-copy strong{
      display:block;
      font-size:14px;
      line-height:1.32;
      color:var(--ink);
    }
    .rank-copy span{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:12px;
      line-height:1.4;
    }
    .rank-score{
      color:var(--success);
      font-size:13px;
      font-weight:900;
      white-space:nowrap;
    }
    .rank-foot{
      margin-top:auto;
      background:#f3f7ff;
      border:1px solid var(--line-2);
      border-radius:18px;
      padding:14px;
      color:var(--ink-2);
      font-size:13px;
      line-height:1.65;
    }

    .channel-strip{
      margin-top:-28px;
      position:relative;
      z-index:4;
    }
    .channel-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:26px;
      box-shadow:var(--shadow);
      padding:18px;
    }
    .channel-grid{
      display:grid;
      grid-template-columns:1.1fr repeat(3,1fr);
      gap:14px;
      align-items:stretch;
    }
    .channel-intro{
      border-radius:22px;
      padding:22px;
      background:linear-gradient(135deg,var(--soft),#fff);
      border:1px solid var(--line-2);
    }
    .channel-intro h2{
      margin:0;
      font-size:25px;
      line-height:1.28;
      letter-spacing:-.02em;
    }
    .channel-intro p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:15px;
    }
    .channel-item{
      padding:22px;
      border-radius:22px;
      border:1px solid var(--line-2);
      background:#fff;
      min-height:158px;
      transition:var(--trans);
    }
    .channel-item:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-sm);
      border-color:rgba(23,105,255,.20);
    }
    .channel-icon{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:var(--brand-700);
      background:rgba(23,105,255,.10);
      margin-bottom:14px;
    }
    .channel-item h3{
      margin:0;
      font-size:17px;
      line-height:1.35;
    }
    .channel-item p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }

    .metric-band{
      background:#fff;
      border-top:1px solid var(--line-2);
      border-bottom:1px solid var(--line-2);
    }
    .metric-layout{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:30px;
      align-items:center;
    }
    .metric-copy{
      padding:12px 0;
    }
    .metric-copy h2{
      margin:0;
      font-size:34px;
      line-height:1.25;
      letter-spacing:-.03em;
    }
    .metric-copy p{
      margin:12px 0 0;
      color:var(--muted);
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .metric-box{
      background:linear-gradient(180deg,#fff,#f8fbff);
      border:1px solid var(--line);
      border-radius:22px;
      padding:22px 16px;
      box-shadow:var(--shadow-sm);
      min-height:150px;
    }
    .metric-box strong{
      display:block;
      color:var(--brand-700);
      font-size:30px;
      letter-spacing:-.04em;
      line-height:1;
    }
    .metric-box span{
      display:block;
      margin-top:10px;
      color:var(--ink-2);
      font-weight:800;
      font-size:14px;
    }
    .metric-box p{
      margin:7px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }

    .lead-section{
      background:
        linear-gradient(135deg,rgba(23,105,255,.07),rgba(24,183,199,.06)),
        #f8fbff;
    }
    .lead-layout{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:30px;
      align-items:start;
    }
    .lead-panel{
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      padding:28px;
    }
    .lead-benefits{
      display:flex;
      flex-direction:column;
      gap:14px;
      margin-top:22px;
    }
    .benefit-row{
      display:flex;
      gap:14px;
      padding:16px;
      border-radius:20px;
      background:var(--soft-2);
      border:1px solid var(--line-2);
    }
    .benefit-row i{
      width:34px;
      height:34px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      border-radius:12px;
      color:#fff;
      background:var(--brand);
    }
    .benefit-row strong{
      display:block;
      color:var(--ink);
      line-height:1.35;
    }
    .benefit-row span{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:14px;
      line-height:1.55;
    }
    .lead-form{
      display:grid;
      gap:16px;
    }
    .form-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .field label{
      display:block;
      color:var(--ink-2);
      font-size:13px;
      font-weight:900;
      margin-bottom:7px;
    }
    .field input,
    .field select,
    .field textarea{
      width:100%;
      margin:0;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      color:var(--ink);
      padding:13px 14px;
      min-height:48px;
      box-shadow:none;
      transition:var(--trans);
    }
    .field textarea{
      min-height:112px;
      resize:vertical;
    }
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      border-color:rgba(23,105,255,.55);
      box-shadow:0 0 0 4px rgba(23,105,255,.10);
    }
    .form-note{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .form-message{
      display:none;
      border-radius:16px;
      background:rgba(24,169,87,.10);
      border:1px solid rgba(24,169,87,.22);
      color:#0b6b38;
      padding:12px 14px;
      font-weight:800;
      font-size:14px;
    }
    .form-message.show{display:block}

    .scenario-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:30px;
      align-items:center;
    }
    .scenario-steps{
      background:var(--dark);
      color:#fff;
      border-radius:30px;
      padding:28px;
      box-shadow:var(--shadow-lg);
      position:relative;
      overflow:hidden;
    }
    .scenario-steps:after{
      content:"";
      position:absolute;
      width:220px;
      height:220px;
      right:-70px;
      bottom:-90px;
      border-radius:50%;
      background:rgba(57,183,255,.20);
      filter:blur(4px);
    }
    .step-line{
      position:relative;
      z-index:2;
      display:flex;
      gap:16px;
      padding:18px 0;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .step-line:last-child{border-bottom:0}
    .step-index{
      width:36px;
      height:36px;
      border-radius:13px;
      background:rgba(255,255,255,.12);
      color:#8fe4ff;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      font-weight:900;
    }
    .step-line strong{display:block;line-height:1.35}
    .step-line span{
      display:block;
      margin-top:5px;
      color:#c7d5ea;
      font-size:14px;
      line-height:1.6;
    }
    .scenario-card-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .mini-card{
      border:1px solid var(--line);
      border-radius:22px;
      background:#fff;
      padding:22px;
      box-shadow:var(--shadow-sm);
      transition:var(--trans);
    }
    .mini-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
    }
    .mini-card .tag{
      display:inline-flex;
      border-radius:999px;
      padding:6px 10px;
      background:var(--soft);
      color:var(--brand-700);
      font-size:12px;
      font-weight:900;
      margin-bottom:12px;
    }
    .mini-card h3{
      margin:0;
      font-size:18px;
      line-height:1.35;
    }
    .mini-card p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }

    .compare-section{
      background:#fff;
    }
    .compare-table-wrap{
      overflow:hidden;
      border-radius:28px;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      background:#fff;
    }
    .compare-grid{
      display:grid;
      grid-template-columns:1.05fr 1fr 1fr;
    }
    .compare-cell{
      padding:20px;
      border-right:1px solid var(--line-2);
      border-bottom:1px solid var(--line-2);
      min-height:92px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .compare-cell:nth-child(3n){border-right:0}
    .compare-cell.head{
      background:linear-gradient(180deg,#f4f8ff,#fff);
      font-weight:900;
      color:var(--ink);
    }
    .compare-cell.feature{
      color:var(--ink-2);
      font-weight:900;
      background:#fbfdff;
    }
    .compare-cell.good{
      background:rgba(23,105,255,.035);
    }
    .compare-cell small{
      display:block;
      margin-top:6px;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }
    .status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-weight:900;
      color:var(--brand-700);
    }
    .status i{color:var(--success)}
    .status.warn{color:#946400}
    .status.warn i{color:var(--warning)}

    .recommend-rail{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .recommend-card{
      padding:22px;
      min-height:220px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:var(--trans);
      position:relative;
      overflow:hidden;
    }
    .recommend-card:before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:4px;
      background:linear-gradient(90deg,var(--brand),var(--accent));
      opacity:.82;
    }
    .recommend-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow);
      border-color:rgba(23,105,255,.26);
    }
    .recommend-card h3{
      margin:16px 0 0;
      font-size:18px;
      line-height:1.35;
    }
    .recommend-card p{
      margin:10px 0 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .recommend-card a{
      color:var(--brand-700);
      font-weight:900;
      display:inline-flex;
      gap:8px;
      align-items:center;
    }

    .news-section{
      background:linear-gradient(180deg,#f8fbff,#ffffff);
    }
    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:24px;
      align-items:start;
    }
    .news-list,
    .side-panel{
      background:#fff;
      border:1px solid var(--line);
      border-radius:28px;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .news-list-header,
    .side-panel-header{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:20px 22px;
      border-bottom:1px solid var(--line-2);
      background:#fbfdff;
    }
    .news-list-header h3,
    .side-panel-header h3{
      margin:0;
      font-size:18px;
      line-height:1.3;
    }
    .news-items{
      list-style:none;
      margin:0;
      padding:0;
    }
    .news-item a{
      display:grid;
      grid-template-columns:110px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px 22px;
      border-bottom:1px solid var(--line-2);
      transition:var(--trans);
    }
    .news-item:last-child a{border-bottom:0}
    .news-item a:hover{
      background:#f8fbff;
      color:inherit;
    }
    .news-date{
      color:var(--brand-700);
      font-weight:900;
      font-size:13px;
    }
    .news-title{
      min-width:0;
    }
    .news-title strong{
      display:block;
      color:var(--ink);
      font-size:16px;
      line-height:1.36;
    }
    .news-title span{
      display:block;
      margin-top:6px;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }
    .news-arrow{
      color:#9aacbf;
    }
    .side-list{
      list-style:none;
      margin:0;
      padding:8px;
    }
    .side-list li a{
      display:flex;
      gap:12px;
      padding:14px;
      border-radius:18px;
      transition:var(--trans);
    }
    .side-list li a:hover{
      background:var(--soft-2);
      color:inherit;
    }
    .side-no{
      width:28px;
      height:28px;
      border-radius:10px;
      background:var(--soft);
      color:var(--brand-700);
      display:grid;
      place-items:center;
      flex:0 0 auto;
      font-size:12px;
      font-weight:900;
    }
    .side-list strong{
      display:block;
      color:var(--ink);
      font-size:14px;
      line-height:1.4;
    }
    .side-list span{
      display:block;
      color:var(--muted);
      margin-top:4px;
      font-size:12px;
      line-height:1.45;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:30px;
      align-items:start;
    }
    .faq-aside{
      position:sticky;
      top:98px;
      border-radius:28px;
      padding:28px;
      color:#fff;
      background:linear-gradient(135deg,var(--brand-700),#0b1730);
      box-shadow:var(--shadow-lg);
    }
    .faq-aside h2{
      margin:0;
      color:#fff;
      font-size:30px;
      line-height:1.25;
    }
    .faq-aside p{
      color:#d9e7fb;
      margin:12px 0 0;
    }
    .faq-list{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:22px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      border:0;
      background:#fff;
      color:var(--ink);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      padding:20px 22px;
      font-weight:900;
    }
    .faq-question i{color:var(--brand);transition:var(--trans)}
    .faq-answer{
      padding:0 22px 20px;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
      display:block;
    }
    .faq-item:hover{border-color:rgba(23,105,255,.24)}
    .faq-item.is-collapsed .faq-answer{display:none}
    .faq-item.is-collapsed .faq-question i{transform:rotate(-90deg)}

    .privacy-section{
      padding-bottom:86px;
    }
    .privacy-box{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      border-radius:32px;
      border:1px solid var(--line);
      background:
        linear-gradient(135deg,rgba(23,105,255,.08),rgba(255,255,255,.92)),
        #fff;
      box-shadow:var(--shadow);
      padding:30px;
      align-items:center;
    }
    .privacy-box h2{
      margin:0;
      font-size:32px;
      line-height:1.25;
      letter-spacing:-.03em;
    }
    .privacy-box p{
      margin:12px 0 0;
      color:var(--muted);
    }
    .privacy-list{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .privacy-list li{
      background:#fff;
      border:1px solid var(--line-2);
      border-radius:18px;
      padding:16px;
      color:var(--ink-2);
      font-size:14px;
      box-shadow:0 8px 20px rgba(20,55,100,.05);
    }
    .privacy-list i{
      color:var(--success);
      margin-right:8px;
    }

    .site-footer{
      background:#071326;
      color:#d5e2f4;
      padding:46px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:28px;
      padding-bottom:28px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:18px;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .footer-text{
      margin:14px 0 0;
      max-width:520px;
      color:#aebdd1;
      font-size:14px;
      line-height:1.75;
    }
    .footer-col h3{
      margin:0 0 12px;
      color:#fff;
      font-size:15px;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:#aebdd1;
      font-size:14px;
    }
    .footer-links a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding-top:22px;
      color:#8898ad;
      font-size:13px;
    }
    .footer-badges{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .footer-badge{
      border:1px solid rgba(255,255,255,.12);
      border-radius:999px;
      padding:6px 10px;
      color:#b8c8dc;
      background:rgba(255,255,255,.04);
    }

    @media (max-width: 1024px){
      .nav-center{
        position:absolute;
        left:20px;
        right:20px;
        top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        justify-content:flex-start;
        background:#fff;
        border:1px solid var(--line);
        border-radius:22px;
        padding:14px;
        box-shadow:var(--shadow);
      }
      .topbar.menu-open .nav-center{display:flex}
      .nav-menu{width:100%;flex-direction:column;align-items:stretch}
      .nav-menu a{justify-content:flex-start}
      .phase-chips{border-left:0;padding-left:0;padding-top:10px;width:100%}
      .search-mini{display:none}
      .menu-toggle{display:flex}
      .hero-content{grid-template-columns:1fr;padding:34px}
      .hero-entry{min-height:auto}
      .rank-board{max-width:none}
      .channel-grid{grid-template-columns:1fr 1fr}
      .metric-layout,
      .lead-layout,
      .scenario-wrap,
      .faq-grid,
      .privacy-box{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .recommend-rail{grid-template-columns:repeat(2,1fr)}
      .news-layout{grid-template-columns:1fr}
      .faq-aside{position:static}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width: 768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:56px 0}
      .section-head{display:block}
      .section-desc{font-size:15px}
      .nav-wrap{min-height:68px}
      .brand-text{font-size:16px}
      .logo-mark{width:38px;height:38px}
      .nav-actions .btn-secondary{display:none}
      .hero{padding:24px 0 54px}
      .hero-panel{border-radius:26px;min-height:0}
      .hero-content{padding:24px}
      .hero-summary{font-size:16px}
      .hero-actions .btn{width:100%}
      .hero-data{grid-template-columns:1fr}
      .rank-item{grid-template-columns:30px 1fr}
      .rank-score{grid-column:2}
      .channel-grid,
      .scenario-card-grid,
      .privacy-list{grid-template-columns:1fr}
      .form-row{grid-template-columns:1fr}
      .compare-table-wrap{overflow:auto}
      .compare-grid{min-width:720px}
      .news-item a{
        grid-template-columns:1fr auto;
        gap:10px;
      }
      .news-date{grid-column:1 / -1}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }

    @media (max-width: 520px){
      .hero-content{padding:20px}
      h1{font-size:32px}
      .section-title{font-size:25px}
      .channel-card{padding:12px;border-radius:22px}
      .channel-intro,.channel-item,.lead-panel,.scenario-steps,.privacy-box{padding:20px}
      .metric-grid,.recommend-rail{grid-template-columns:1fr}
      .metric-box{min-height:auto}
      .news-list-header,.side-panel-header{padding:18px}
      .news-item a{padding:18px}
      .faq-question{padding:18px}
      .faq-answer{padding:0 18px 18px}
    }