/* roulang page: index */
:root {
      --bg: #050b1f;
      --bg-2: #081333;
      --panel: rgba(13, 28, 64, 0.72);
      --panel-strong: rgba(19, 43, 91, 0.86);
      --glass: rgba(255, 255, 255, 0.08);
      --glass-2: rgba(255, 255, 255, 0.13);
      --text: #eef6ff;
      --muted: #9fb2cf;
      --soft: #c9d8ee;
      --primary: #52e1ff;
      --primary-2: #7c5cff;
      --accent: #ff5fd2;
      --green: #63f6b3;
      --warning: #ffd166;
      --danger: #ff768a;
      --border: rgba(151, 192, 255, 0.2);
      --border-strong: rgba(82, 225, 255, 0.42);
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
      --shadow-glow: 0 0 24px rgba(82, 225, 255, 0.32), 0 14px 45px rgba(124, 92, 255, 0.18);
      --radius-xs: 10px;
      --radius-sm: 14px;
      --radius-md: 22px;
      --radius-lg: 32px;
      --radius-xl: 42px;
      --container: 1180px;
      --nav-h: 74px;
      --ease: 180ms ease;
      --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      background: var(--bg);
    }

    body {
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.7;
      background:
        radial-gradient(circle at 12% 8%, rgba(82, 225, 255, 0.16), transparent 30%),
        radial-gradient(circle at 82% 18%, rgba(255, 95, 210, 0.12), transparent 26%),
        radial-gradient(circle at 50% 80%, rgba(124, 92, 255, 0.16), transparent 34%),
        linear-gradient(180deg, #050b1f 0%, #07122d 46%, #040816 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -2;
      background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.2));
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img, svg {
      max-width: 100%;
      display: block;
    }

    button, input, textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    input, textarea {
      border: 0;
      outline: none;
      color: var(--text);
    }

    ::selection {
      background: rgba(82, 225, 255, 0.28);
      color: #fff;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .skip-link {
      position: absolute;
      left: 16px;
      top: -80px;
      background: var(--primary);
      color: #00101b;
      padding: 10px 14px;
      border-radius: 12px;
      z-index: 999;
      transition: var(--ease);
    }

    .skip-link:focus {
      top: 14px;
      outline: 3px solid rgba(255,255,255,.75);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      min-height: var(--nav-h);
      background: rgba(5, 11, 31, 0.72);
      backdrop-filter: blur(22px);
      border-bottom: 1px solid rgba(151, 192, 255, 0.14);
      box-shadow: 0 12px 38px rgba(0, 0, 0, 0.18);
    }

    .nav-shell {
      min-height: var(--nav-h);
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 18px;
    }

    .nav-left,
    .nav-right,
    .nav-menu {
      display: flex;
      align-items: center;
    }

    .nav-left {
      gap: 22px;
      min-width: 0;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: -0.02em;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 auto;
      border-radius: 14px;
      background:
        radial-gradient(circle at 30% 22%, #fff 0 6%, transparent 7%),
        linear-gradient(135deg, var(--primary), var(--primary-2) 58%, var(--accent));
      box-shadow: var(--shadow-glow);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 8px;
      border: 1px solid rgba(255,255,255,.58);
      border-radius: 10px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.05;
      min-width: 0;
    }

    .brand-title {
      font-size: 16px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 360px;
    }

    .brand-sub {
      margin-top: 4px;
      font-size: 11px;
      color: var(--muted);
      font-weight: 700;
      letter-spacing: 0.14em;
    }

    .nav-menu {
      gap: 8px;
      padding: 6px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: rgba(255,255,255,0.045);
    }

    .nav-link {
      padding: 9px 16px;
      border-radius: 999px;
      color: var(--soft);
      font-size: 14px;
      font-weight: 800;
      transition: color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .nav-link:hover,
    .nav-link:focus {
      color: #fff;
      background: rgba(82, 225, 255, 0.12);
      outline: none;
    }

    .nav-link.active {
      color: #071122;
      background: linear-gradient(135deg, var(--primary), #b7f5ff);
      box-shadow: 0 0 24px rgba(82, 225, 255, .26);
    }

    .nav-right {
      gap: 12px;
      justify-content: flex-end;
    }

    .nav-search {
      width: 246px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 13px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: rgba(255,255,255,0.06);
      transition: border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .nav-search:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(82, 225, 255, 0.12);
      background: rgba(255,255,255,0.09);
    }

    .nav-search span {
      color: var(--primary);
      font-size: 15px;
    }

    .nav-search input {
      width: 100%;
      background: transparent;
      font-size: 13px;
    }

    .nav-search input::placeholder {
      color: #8398bb;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: rgba(255,255,255,0.08);
      color: var(--text);
      border: 1px solid var(--border);
      transition: var(--ease);
    }

    .menu-toggle:hover,
    .menu-toggle:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(82, 225, 255, 0.12);
      outline: none;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 0 20px;
      border-radius: 999px;
      color: #fff;
      font-weight: 900;
      letter-spacing: -0.01em;
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
      user-select: none;
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn:focus {
      outline: 3px solid rgba(82, 225, 255, .34);
      outline-offset: 2px;
    }

    .btn-primary {
      color: #041020;
      background: linear-gradient(135deg, var(--primary), #a5f7ff 46%, var(--green));
      box-shadow: var(--shadow-glow);
    }

    .btn-primary:hover {
      box-shadow: 0 0 34px rgba(82, 225, 255, 0.48), 0 18px 54px rgba(0,0,0,.32);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,0.08);
      border-color: var(--border);
    }

    .btn-secondary:hover {
      border-color: rgba(255,255,255,0.35);
      background: rgba(255,255,255,0.13);
      box-shadow: 0 18px 44px rgba(0,0,0,.24);
    }

    .btn-accent {
      color: #fff;
      background: linear-gradient(135deg, var(--primary-2), var(--accent));
      box-shadow: 0 0 28px rgba(255, 95, 210, 0.28);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 7px 12px;
      border-radius: 999px;
      color: #dff8ff;
      font-size: 13px;
      font-weight: 900;
      border: 1px solid rgba(82, 225, 255, 0.34);
      background: rgba(82, 225, 255, 0.1);
    }

    .badge-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 12px var(--green);
    }

    .section {
      position: relative;
      padding: 78px 0;
    }

    .section.compact {
      padding: 58px 0;
    }

    .section-kicker {
      color: var(--primary);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.16;
      letter-spacing: -0.04em;
      margin-bottom: 16px;
    }

    .section-desc {
      max-width: 760px;
      color: var(--muted);
      font-size: 16px;
    }

    .glass-card {
      background: linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0.055));
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
    }

    .hero {
      padding: 54px 0 72px;
      min-height: calc(100vh - var(--nav-h));
      display: flex;
      align-items: center;
    }

    .hero-stage {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(82, 225, 255, 0.24);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(115deg, rgba(82, 225, 255, 0.13), transparent 38%),
        linear-gradient(245deg, rgba(255, 95, 210, 0.13), transparent 34%),
        rgba(255,255,255,0.055);
      box-shadow: 0 30px 110px rgba(0,0,0,.42);
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      width: 520px;
      height: 520px;
      right: -170px;
      top: -210px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(82,225,255,.22), transparent 64%);
      filter: blur(3px);
    }

    .hero-stage::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size: 72px 72px;
      mask-image: linear-gradient(120deg, rgba(0,0,0,.45), transparent 70%);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
      gap: 30px;
      align-items: stretch;
      padding: clamp(24px, 4vw, 52px);
    }

    .hero-copy {
      padding: 8px 0;
    }

    .hero h1 {
      max-width: 800px;
      font-size: clamp(36px, 6vw, 70px);
      line-height: 1.05;
      letter-spacing: -0.06em;
      margin: 18px 0 20px;
    }

    .gradient-text {
      background: linear-gradient(135deg, #fff, #b8f7ff 42%, #f9b8ff 82%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-intro {
      max-width: 720px;
      color: var(--soft);
      font-size: clamp(16px, 1.8vw, 19px);
      margin-bottom: 24px;
    }

    .hero-points {
      display: grid;
      gap: 12px;
      margin: 24px 0;
      max-width: 680px;
    }

    .hero-point {
      display: flex;
      gap: 11px;
      align-items: flex-start;
      padding: 12px 14px;
      border-radius: 16px;
      color: #d9e8ff;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(255,255,255,0.09);
    }

    .hero-point strong {
      color: #fff;
      margin-right: 4px;
    }

    .check {
      width: 22px;
      height: 22px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #021024;
      background: var(--green);
      font-size: 13px;
      font-weight: 900;
      box-shadow: 0 0 18px rgba(99,246,179,.38);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 24px;
    }

    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }

    .trust-item {
      padding: 9px 12px;
      border-radius: 999px;
      color: #bcd0ea;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.1);
      font-size: 13px;
      font-weight: 800;
    }

    .live-cover {
      position: relative;
      min-height: 520px;
      overflow: hidden;
      border-radius: 34px;
      background:
        radial-gradient(circle at 22% 18%, rgba(255,255,255,.26), transparent 14%),
        radial-gradient(circle at 76% 28%, rgba(82,225,255,.36), transparent 20%),
        radial-gradient(circle at 48% 84%, rgba(255,95,210,.22), transparent 22%),
        linear-gradient(135deg, rgba(9,22,56,.92), rgba(16,34,86,.7));
      border: 1px solid rgba(255,255,255,0.14);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.15), var(--shadow);
    }

    .live-cover::before {
      content: "";
      position: absolute;
      inset: 20px;
      border-radius: 26px;
      border: 1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(120deg, rgba(255,255,255,.12), transparent 42%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 22px);
      pointer-events: none;
    }

    .cover-orbit {
      position: absolute;
      width: 290px;
      height: 290px;
      right: -70px;
      top: 44px;
      border-radius: 50%;
      border: 1px solid rgba(82,225,255,.25);
      box-shadow: 0 0 80px rgba(82,225,255,.18);
    }

    .cover-orbit::after {
      content: "";
      position: absolute;
      width: 76px;
      height: 76px;
      left: 30px;
      bottom: 14px;
      border-radius: 24px;
      background: linear-gradient(135deg, var(--accent), var(--primary-2));
      box-shadow: 0 0 34px rgba(255,95,210,.42);
      transform: rotate(18deg);
    }

    .live-content {
      position: relative;
      z-index: 2;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 28px;
    }

    .live-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 16px;
    }

    .live-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      color: #fff;
      background: rgba(255,95,210,.18);
      border: 1px solid rgba(255,95,210,.34);
      font-weight: 900;
      font-size: 13px;
    }

    .pulse {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--danger);
      box-shadow: 0 0 0 0 rgba(255,118,138,.7);
      animation: pulse 1.6s infinite;
    }

    @keyframes pulse {
      70% { box-shadow: 0 0 0 12px rgba(255,118,138,0); }
      100% { box-shadow: 0 0 0 0 rgba(255,118,138,0); }
    }

    .age-chip {
      padding: 8px 11px;
      border-radius: 999px;
      background: rgba(255,209,102,.14);
      border: 1px solid rgba(255,209,102,.32);
      color: #ffe1a1;
      font-weight: 900;
      font-size: 13px;
    }

    .countdown {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin: 34px 0 24px;
    }

    .count-box {
      padding: 14px 8px;
      text-align: center;
      border-radius: 18px;
      background: rgba(5,11,31,.42);
      border: 1px solid rgba(255,255,255,.14);
      backdrop-filter: blur(12px);
    }

    .count-num {
      display: block;
      font-size: 28px;
      line-height: 1;
      font-weight: 950;
      color: #fff;
    }

    .count-unit {
      display: block;
      margin-top: 5px;
      font-size: 12px;
      color: var(--muted);
      font-weight: 800;
    }

    .live-title {
      font-size: 28px;
      line-height: 1.2;
      letter-spacing: -0.03em;
      margin-bottom: 12px;
    }

    .watch-list {
      display: grid;
      gap: 10px;
      margin-top: 18px;
    }

    .watch-list li {
      list-style: none;
      display: flex;
      gap: 9px;
      align-items: center;
      color: #dbe9ff;
      font-size: 14px;
    }

    .watch-list li::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 12px rgba(82,225,255,.75);
    }

    .live-bottom {
      margin-top: 28px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .mini-note {
      color: var(--muted);
      font-size: 13px;
    }

    .pain-layout {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 26px;
      align-items: stretch;
      margin-top: 34px;
    }

    .problem-panel {
      padding: 28px;
      min-height: 100%;
      position: relative;
      overflow: hidden;
    }

    .problem-panel::after {
      content: "";
      position: absolute;
      right: -120px;
      bottom: -120px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255,95,210,.18), transparent 64%);
      pointer-events: none;
    }

    .problem-list {
      display: grid;
      gap: 14px;
      margin-top: 24px;
      position: relative;
      z-index: 2;
    }

    .problem-item {
      display: grid;
      grid-template-columns: 40px 1fr;
      gap: 14px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.1);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .problem-item:hover {
      transform: translateX(4px);
      border-color: rgba(255,118,138,.34);
      background: rgba(255,255,255,.085);
    }

    .problem-icon {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      background: rgba(255,118,138,.14);
      color: #ffd7de;
      font-weight: 950;
    }

    .problem-item h3,
    .metric-card h3,
    .service-card h3,
    .step-card h3,
    .faq-item h3,
    .update-item h3,
    .track-card h3,
    .compare-card h3 {
      font-size: 17px;
      line-height: 1.35;
      margin-bottom: 6px;
    }

    .problem-item p,
    .metric-card p,
    .service-card p,
    .step-card p,
    .update-item p,
    .track-card p,
    .compare-card p {
      color: var(--muted);
      font-size: 14px;
    }

    .demo-board {
      padding: 22px;
    }

    .demo-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      margin-bottom: 18px;
    }

    .demo-tabs {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .demo-tab {
      padding: 7px 10px;
      border-radius: 999px;
      color: var(--muted);
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.045);
      font-size: 12px;
      font-weight: 900;
    }

    .demo-tab.active {
      color: #061124;
      background: var(--primary);
      border-color: transparent;
    }

    .signal-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
    }

    .signal-chart {
      min-height: 244px;
      padding: 18px;
      border-radius: 22px;
      background: rgba(5,11,31,.38);
      border: 1px solid rgba(255,255,255,.1);
      position: relative;
      overflow: hidden;
    }

    .bars {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      height: 150px;
      display: flex;
      align-items: end;
      gap: 10px;
    }

    .bar {
      flex: 1;
      min-width: 10px;
      border-radius: 999px 999px 8px 8px;
      background: linear-gradient(180deg, var(--primary), rgba(124,92,255,.54));
      box-shadow: 0 0 18px rgba(82,225,255,.2);
    }

    .chart-title {
      position: relative;
      z-index: 2;
      font-weight: 950;
      margin-bottom: 4px;
    }

    .chart-desc {
      position: relative;
      z-index: 2;
      color: var(--muted);
      font-size: 13px;
      max-width: 340px;
    }

    .signal-side {
      display: grid;
      gap: 14px;
    }

    .signal-mini {
      padding: 18px;
      border-radius: 20px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.1);
    }

    .signal-mini strong {
      display: block;
      font-size: 28px;
      line-height: 1;
      color: #fff;
      margin-bottom: 8px;
    }

    .signal-mini span {
      color: var(--muted);
      font-size: 13px;
    }

    .steps-line {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-top: 34px;
      position: relative;
    }

    .steps-line::before {
      content: "";
      position: absolute;
      left: 12%;
      right: 12%;
      top: 42px;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(82,225,255,.5), transparent);
      pointer-events: none;
    }

    .step-card {
      position: relative;
      z-index: 2;
      padding: 24px;
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .step-card:hover {
      transform: translateY(-5px);
      border-color: var(--border-strong);
      box-shadow: var(--shadow-glow);
    }

    .step-num {
      width: 54px;
      height: 54px;
      display: grid;
      place-items: center;
      border-radius: 20px;
      margin-bottom: 18px;
      color: #03101f;
      font-size: 20px;
      font-weight: 950;
      background: linear-gradient(135deg, var(--primary), #fff, var(--green));
      box-shadow: 0 0 28px rgba(82,225,255,.3);
    }

    .metric-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 34px;
    }

    .metric-card {
      padding: 22px;
      min-height: 168px;
      position: relative;
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      border-color: rgba(82,225,255,.38);
    }

    .metric-value {
      display: flex;
      align-items: baseline;
      gap: 6px;
      margin-bottom: 12px;
    }

    .metric-value strong {
      font-size: 34px;
      line-height: 1;
      color: #fff;
      letter-spacing: -0.04em;
    }

    .metric-value span {
      color: var(--green);
      font-weight: 900;
      font-size: 13px;
    }

    .service-matrix {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
      margin-top: 34px;
    }

    .service-card {
      grid-column: span 2;
      padding: 22px;
      min-height: 180px;
      position: relative;
      overflow: hidden;
      transition: transform var(--ease), background var(--ease), border-color var(--ease);
    }

    .service-card.wide {
      grid-column: span 3;
    }

    .service-card:hover {
      transform: translateY(-4px);
      background: rgba(255,255,255,.1);
      border-color: rgba(124,92,255,.46);
    }

    .service-icon {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      margin-bottom: 18px;
      color: #fff;
      background: linear-gradient(135deg, rgba(82,225,255,.24), rgba(255,95,210,.22));
      border: 1px solid rgba(255,255,255,.12);
      font-size: 20px;
    }

    .compare-wrap {
      margin-top: 34px;
      display: grid;
      grid-template-columns: 1fr .8fr;
      gap: 22px;
      align-items: stretch;
    }

    .compare-card {
      padding: 24px;
    }

    .compare-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      padding: 13px 0;
      border-bottom: 1px solid rgba(255,255,255,.09);
    }

    .compare-row:last-child {
      border-bottom: 0;
    }

    .compare-row span {
      color: var(--muted);
      font-size: 14px;
    }

    .compare-row strong {
      color: #fff;
      font-size: 14px;
    }

    .rank-list {
      padding: 10px;
      display: grid;
      gap: 10px;
    }

    .rank-item {
      display: grid;
      grid-template-columns: 42px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 13px;
      border-radius: 16px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.085);
      transition: transform var(--ease), background var(--ease);
    }

    .rank-item:hover {
      transform: translateX(3px);
      background: rgba(255,255,255,.085);
    }

    .rank-num {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #051125;
      font-weight: 950;
      background: linear-gradient(135deg, var(--primary), #e3fbff);
    }

    .rank-title {
      font-weight: 900;
      line-height: 1.35;
    }

    .rank-meta {
      color: var(--muted);
      font-size: 12px;
    }

    .rank-hot {
      padding: 6px 9px;
      border-radius: 999px;
      color: #ffe2f7;
      font-weight: 900;
      font-size: 12px;
      background: rgba(255,95,210,.14);
      border: 1px solid rgba(255,95,210,.28);
    }

    .track-shell {
      margin-top: 34px;
      overflow-x: auto;
      padding-bottom: 10px;
      scrollbar-color: rgba(82,225,255,.55) rgba(255,255,255,.08);
    }

    .track-row {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(220px, 260px);
      gap: 16px;
      min-width: max-content;
    }

    .track-card {
      height: 320px;
      padding: 18px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      position: relative;
      overflow: hidden;
      border-radius: 28px;
      background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.18), transparent 22%),
        linear-gradient(155deg, rgba(82,225,255,.17), rgba(124,92,255,.12) 46%, rgba(255,95,210,.13)),
        rgba(255,255,255,.065);
      border: 1px solid rgba(255,255,255,.13);
      transition: transform var(--ease), box-shadow var(--ease);
    }

    .track-card::before {
      content: "";
      position: absolute;
      inset: 14px;
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.11);
      background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,.44));
    }

    .track-card:hover {
      transform: translateY(-6px) scale(1.01);
      box-shadow: var(--shadow-glow);
    }

    .track-card > * {
      position: relative;
      z-index: 2;
    }

    .track-tag {
      width: fit-content;
      padding: 6px 9px;
      border-radius: 999px;
      background: rgba(5,11,31,.42);
      border: 1px solid rgba(255,255,255,.14);
      color: #dff8ff;
      font-size: 12px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .updates {
      margin-top: 34px;
      display: grid;
      gap: 16px;
    }

    .update-item {
      display: grid;
      grid-template-columns: 150px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px;
      transition: transform var(--ease), border-color var(--ease);
    }

    .update-item:hover {
      transform: translateY(-3px);
      border-color: rgba(82,225,255,.34);
    }

    .update-date {
      color: var(--primary);
      font-weight: 950;
    }

    .update-pill {
      padding: 7px 10px;
      border-radius: 999px;
      color: #061124;
      background: var(--green);
      font-weight: 950;
      font-size: 12px;
      white-space: nowrap;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1fr 360px;
      gap: 24px;
      margin-top: 34px;
      align-items: start;
    }

    .news-list,
    .recommend-box {
      padding: 20px;
    }

    .news-link {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      padding: 16px 0;
      border-bottom: 1px solid rgba(255,255,255,.09);
      transition: color var(--ease);
    }

    .news-link:last-child {
      border-bottom: 0;
    }

    .news-link:hover .news-title {
      color: var(--primary);
    }

    .news-title {
      font-size: 16px;
      font-weight: 900;
      line-height: 1.45;
      transition: color var(--ease);
    }

    .news-summary {
      color: var(--muted);
      font-size: 13px;
      margin-top: 4px;
    }

    .news-date {
      color: #7f93b5;
      font-size: 13px;
      white-space: nowrap;
    }

    .recommend-title {
      font-size: 20px;
      margin-bottom: 14px;
    }

    .recommend-list {
      display: grid;
      gap: 12px;
    }

    .recommend-item {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.085);
    }

    .recommend-item strong {
      font-size: 14px;
    }

    .recommend-item span {
      color: var(--green);
      font-size: 12px;
      font-weight: 950;
      white-space: nowrap;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 34px;
    }

    .faq-item {
      padding: 22px;
      transition: transform var(--ease), border-color var(--ease);
    }

    .faq-item:hover {
      transform: translateY(-3px);
      border-color: rgba(82,225,255,.32);
    }

    .faq-item p {
      color: var(--muted);
      font-size: 14px;
    }

    .start-panel {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 26px;
      align-items: stretch;
      padding: clamp(24px, 4vw, 38px);
      border-radius: var(--radius-xl);
      overflow: hidden;
      position: relative;
      background:
        radial-gradient(circle at 8% 14%, rgba(82,225,255,.19), transparent 26%),
        radial-gradient(circle at 90% 20%, rgba(255,95,210,.14), transparent 28%),
        rgba(255,255,255,.07);
      border: 1px solid rgba(82,225,255,.24);
      box-shadow: var(--shadow);
    }

    .start-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(115deg, rgba(255,255,255,.09), transparent 34%);
      pointer-events: none;
    }

    .start-copy,
    .lead-form {
      position: relative;
      z-index: 2;
    }

    .start-list {
      margin-top: 22px;
      display: grid;
      gap: 12px;
    }

    .start-list li {
      list-style: none;
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--soft);
    }

    .start-list li::before {
      content: "✓";
      width: 22px;
      height: 22px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #03101f;
      background: var(--green);
      font-size: 13px;
      font-weight: 950;
      margin-top: 2px;
    }

    .lead-form {
      padding: 24px;
      border-radius: 28px;
      background: rgba(5,11,31,.46);
      border: 1px solid rgba(255,255,255,.12);
    }

    .form-grid {
      display: grid;
      gap: 14px;
      margin-top: 18px;
    }

    .field label {
      display: block;
      color: var(--soft);
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .field input,
    .field textarea {
      width: 100%;
      border-radius: 16px;
      padding: 13px 14px;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.12);
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .field textarea {
      min-height: 104px;
      resize: vertical;
    }

    .field input:focus,
    .field textarea:focus {
      border-color: var(--primary);
      background: rgba(255,255,255,.095);
      box-shadow: 0 0 0 4px rgba(82,225,255,.11);
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: #7f92b1;
    }

    .checkbox {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-size: 13px;
    }

    .checkbox input {
      width: 18px;
      height: 18px;
      accent-color: var(--primary);
      margin-top: 3px;
      flex: 0 0 auto;
    }

    .form-message {
      min-height: 22px;
      color: var(--green);
      font-size: 13px;
      font-weight: 900;
    }

    .site-footer {
      padding: 54px 0 106px;
      border-top: 1px solid rgba(151,192,255,.14);
      background: rgba(2, 6, 18, 0.42);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      gap: 13px;
      align-items: center;
      margin-bottom: 14px;
      font-weight: 950;
    }

    .footer-brand .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 13px;
    }

    .footer-note {
      max-width: 700px;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .footer-links a {
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.08);
      font-size: 13px;
      transition: var(--ease);
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: #fff;
      border-color: var(--primary);
      outline: none;
    }

    .copyright {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.08);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      color: #7385a5;
      font-size: 13px;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 98;
      width: min(900px, calc(100% - 32px));
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 14px 12px 18px;
      border-radius: 999px;
      background: rgba(5, 11, 31, 0.82);
      border: 1px solid rgba(82,225,255,.28);
      box-shadow: 0 18px 70px rgba(0,0,0,.38), 0 0 32px rgba(82,225,255,.12);
      backdrop-filter: blur(22px);
    }

    .floating-cta p {
      color: var(--soft);
      font-size: 14px;
      font-weight: 800;
    }

    .floating-cta strong {
      color: #fff;
    }

    .age-modal {
      position: fixed;
      inset: 0;
      z-index: 300;
      display: grid;
      place-items: center;
      padding: 22px;
      background: rgba(2,6,18,.82);
      backdrop-filter: blur(18px);
    }

    .age-modal.hidden {
      display: none;
    }

    .age-box {
      width: min(560px, 100%);
      padding: 30px;
      border-radius: 32px;
      background:
        radial-gradient(circle at 20% 0%, rgba(82,225,255,.2), transparent 34%),
        rgba(9, 20, 50, 0.92);
      border: 1px solid rgba(82,225,255,.28);
      box-shadow: var(--shadow);
      text-align: left;
    }

    .age-box h2 {
      font-size: 28px;
      line-height: 1.2;
      margin: 14px 0 12px;
    }

    .age-box p {
      color: var(--muted);
      margin-bottom: 20px;
    }

    .age-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    @media (max-width: 1080px) {
      .nav-search {
        width: 190px;
      }

      .brand-title {
        max-width: 260px;
      }

      .hero-inner,
      .pain-layout,
      .compare-wrap,
      .start-panel,
      .news-layout {
        grid-template-columns: 1fr;
      }

      .live-cover {
        min-height: 460px;
      }

      .metric-strip {
        grid-template-columns: repeat(2, 1fr);
      }

      .service-card,
      .service-card.wide {
        grid-column: span 3;
      }
    }

    @media (max-width: 820px) {
      :root {
        --nav-h: 66px;
      }

      .container {
        width: min(100% - 28px, var(--container));
      }

      .nav-shell {
        grid-template-columns: 1fr auto;
      }

      .nav-menu {
        position: fixed;
        top: calc(var(--nav-h) + 10px);
        left: 14px;
        right: 14px;
        display: none;
        border-radius: 22px;
        padding: 12px;
        background: rgba(5, 11, 31, 0.94);
        box-shadow: var(--shadow);
      }

      .nav-menu.open {
        display: flex;
      }

      .nav-link {
        width: 100%;
        text-align: center;
      }

      .nav-search {
        display: none;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .brand-sub {
        display: none;
      }

      .brand-title {
        max-width: 52vw;
      }

      .hero {
        min-height: auto;
        padding-top: 32px;
      }

      .hero-inner {
        padding: 22px;
      }

      .hero-actions,
      .live-bottom {
        align-items: stretch;
      }

      .hero-actions .btn,
      .live-bottom .btn {
        flex: 1 1 220px;
      }

      .signal-grid,
      .steps-line,
      .faq-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .steps-line::before {
        display: none;
      }

      .service-matrix {
        grid-template-columns: 1fr;
      }

      .service-card,
      .service-card.wide {
        grid-column: auto;
      }

      .update-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .footer-links {
        justify-content: flex-start;
      }

      .copyright {
        display: grid;
      }

      .floating-cta {
        border-radius: 24px;
        align-items: stretch;
        flex-direction: column;
        bottom: 12px;
      }

      .floating-cta .btn {
        width: 100%;
      }
    }

    @media (max-width: 560px) {
      .section {
        padding: 58px 0;
      }

      .section.compact {
        padding: 46px 0;
      }

      .hero-stage {
        border-radius: 28px;
      }

      .hero h1 {
        font-size: 34px;
      }

      .countdown {
        grid-template-columns: repeat(2, 1fr);
      }

      .live-cover {
        min-height: 520px;
        border-radius: 26px;
      }

      .live-content {
        padding: 20px;
      }

      .metric-strip {
        grid-template-columns: 1fr;
      }

      .rank-item {
        grid-template-columns: 34px 1fr;
      }

      .rank-hot {
        grid-column: 2;
        width: fit-content;
      }

      .news-link {
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .start-panel,
      .age-box {
        border-radius: 26px;
      }

      .lead-form {
        padding: 18px;
      }

      .btn {
        width: 100%;
      }
    }