/* roulang page: index */
:root {
      --bg: #0b1020;
      --bg-soft: #11182d;
      --panel: #151d34;
      --panel-2: #18223d;
      --card: #ffffff;
      --card-soft: #f7f9fc;
      --text: #172033;
      --text-strong: #08111f;
      --muted: #647089;
      --muted-2: #9aa5b8;
      --white: #ffffff;
      --primary: #8b5cf6;
      --primary-dark: #6d3ee6;
      --primary-soft: rgba(139, 92, 246, .14);
      --secondary: #21d4a4;
      --secondary-soft: rgba(33, 212, 164, .14);
      --accent: #ffb84d;
      --danger: #ff647c;
      --line: rgba(126, 142, 173, .22);
      --line-dark: rgba(255, 255, 255, .12);
      --shadow: 0 22px 60px rgba(13, 20, 42, .14);
      --shadow-soft: 0 14px 36px rgba(13, 20, 42, .10);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1160px;
      --header-h: 74px;
      --ease: all .24s ease;
    }

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

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      line-height: 1.78;
      background:
        radial-gradient(circle at top left, rgba(139, 92, 246, .18), transparent 30%),
        radial-gradient(circle at 80% 8%, rgba(33, 212, 164, .12), transparent 26%),
        linear-gradient(180deg, #f7f8fd 0%, #ffffff 42%, #f6f8fc 100%);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--ease);
    }

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

    button, input, textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    input, textarea {
      width: 100%;
      border: 1px solid var(--line);
      outline: none;
      border-radius: 14px;
      color: var(--text);
      background: var(--white);
      transition: var(--ease);
    }

    input:focus, textarea:focus {
      border-color: rgba(139, 92, 246, .7);
      box-shadow: 0 0 0 4px rgba(139, 92, 246, .13);
    }

    ::selection {
      color: var(--white);
      background: var(--primary);
    }

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

    .skip-link {
      position: fixed;
      left: 18px;
      top: -60px;
      z-index: 1000;
      padding: 10px 14px;
      border-radius: 12px;
      color: var(--white);
      background: var(--primary);
      box-shadow: var(--shadow-soft);
    }

    .skip-link:focus {
      top: 18px;
    }

    .countdown-strip {
      position: relative;
      z-index: 80;
      color: rgba(255, 255, 255, .92);
      background: linear-gradient(90deg, #11182d, #32215f 48%, #122d2a);
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .countdown-inner {
      width: min(100% - 40px, var(--container));
      min-height: 42px;
      margin-inline: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      font-size: 14px;
    }

    .countdown-left {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }

    .spark {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--secondary);
      box-shadow: 0 0 0 6px rgba(33, 212, 164, .14), 0 0 20px rgba(33, 212, 164, .6);
      flex: 0 0 auto;
    }

    .countdown-timer {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      white-space: nowrap;
      color: #dffcf4;
      font-weight: 700;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 70;
      backdrop-filter: blur(18px);
      background: rgba(255, 255, 255, .78);
      border-bottom: 1px solid rgba(126, 142, 173, .18);
    }

    .nav {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -.02em;
      color: var(--text-strong);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      color: var(--white);
      background:
        linear-gradient(135deg, rgba(255,255,255,.16), transparent),
        linear-gradient(135deg, var(--primary), #3b82f6 55%, var(--secondary));
      box-shadow: 0 14px 30px rgba(139, 92, 246, .28);
      font-size: 18px;
      line-height: 1;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand-text strong {
      font-size: 18px;
    }

    .brand-text span {
      margin-top: 3px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      list-style: none;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-weight: 800;
      font-size: 14px;
    }

    .nav-links a:hover {
      color: var(--primary-dark);
      background: var(--primary-soft);
    }

    .nav-links a.active {
      color: var(--white);
      background: var(--text-strong);
      box-shadow: 0 12px 24px rgba(8, 17, 31, .16);
    }

    .nav-search {
      width: 236px;
      position: relative;
    }

    .nav-search input {
      height: 42px;
      padding: 0 42px 0 15px;
      border-radius: 999px;
      background: rgba(247, 249, 252, .9);
      font-size: 14px;
    }

    .nav-search span {
      position: absolute;
      right: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--muted);
      font-size: 15px;
      pointer-events: none;
    }

    .nav-cta {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 17px;
      border-radius: 999px;
      color: var(--text-strong);
      background: var(--secondary);
      font-weight: 900;
      box-shadow: 0 14px 30px rgba(33, 212, 164, .25);
      white-space: nowrap;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      filter: brightness(1.02);
      box-shadow: 0 18px 38px rgba(33, 212, 164, .32);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: var(--text-strong);
      color: var(--white);
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-soft);
    }

    .section {
      padding: 82px 0;
      position: relative;
    }

    .section-tight {
      padding: 64px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-head.center {
      margin-inline: auto;
      text-align: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: .02em;
    }

    .eyebrow.dark {
      color: #dffcf4;
      background: rgba(33, 212, 164, .12);
      border: 1px solid rgba(33, 212, 164, .22);
    }

    h1, h2, h3 {
      color: var(--text-strong);
      line-height: 1.18;
      letter-spacing: -.035em;
    }

    h1 {
      margin-top: 20px;
      font-size: clamp(40px, 6.3vw, 76px);
      color: var(--white);
    }

    h2 {
      margin-top: 14px;
      font-size: clamp(28px, 3.6vw, 46px);
    }

    h3 {
      font-size: 21px;
    }

    p {
      color: var(--muted);
    }

    .lead {
      margin-top: 20px;
      max-width: 670px;
      color: rgba(255, 255, 255, .76);
      font-size: 18px;
      line-height: 1.9;
    }

    .section-desc {
      margin-top: 15px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.9;
    }

    .btn-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      margin-top: 30px;
    }

    .btn {
      min-height: 50px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 900;
      transition: var(--ease);
      user-select: none;
    }

    .btn:focus-visible, .nav-cta:focus-visible, .nav-links a:focus-visible, .faq-question:focus-visible {
      outline: 4px solid rgba(139, 92, 246, .25);
      outline-offset: 3px;
    }

    .btn-primary {
      color: var(--text-strong);
      background: var(--secondary);
      box-shadow: 0 18px 42px rgba(33, 212, 164, .28);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 24px 50px rgba(33, 212, 164, .36);
    }

    .btn-secondary {
      color: var(--white);
      background: rgba(255, 255, 255, .10);
      border: 1px solid rgba(255, 255, 255, .16);
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, .16);
      transform: translateY(-3px);
    }

    .btn-light {
      color: var(--text-strong);
      background: var(--white);
      border: 1px solid rgba(126, 142, 173, .2);
      box-shadow: var(--shadow-soft);
    }

    .btn-light:hover {
      color: var(--primary-dark);
      transform: translateY(-3px);
      box-shadow: var(--shadow);
    }

    .hero {
      padding: 42px 0 76px;
    }

    .hero-shell {
      overflow: hidden;
      position: relative;
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(139, 92, 246, .18), transparent 35%),
        radial-gradient(circle at 80% 22%, rgba(33, 212, 164, .20), transparent 26%),
        linear-gradient(135deg, #0b1020 0%, #131b33 56%, #071816 100%);
      box-shadow: 0 34px 80px rgba(8, 17, 31, .26);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .hero-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: linear-gradient(90deg, rgba(0,0,0,.75), transparent 88%);
      pointer-events: none;
    }

    .hero-layout {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(340px, .72fr);
      gap: 34px;
      align-items: stretch;
      padding: clamp(28px, 5vw, 58px);
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }

    .data-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      border-radius: 999px;
      color: rgba(255, 255, 255, .82);
      background: rgba(255, 255, 255, .09);
      border: 1px solid rgba(255, 255, 255, .12);
      font-size: 13px;
      font-weight: 800;
    }

    .hero-panel {
      align-self: center;
      padding: 20px;
      border-radius: 28px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .14);
      backdrop-filter: blur(18px);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
    }

    .rank-card {
      padding: 22px;
      border-radius: 24px;
      background: rgba(8, 17, 31, .58);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .rank-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 18px;
    }

    .rank-top h2 {
      margin: 0;
      color: var(--white);
      font-size: 24px;
      letter-spacing: -.02em;
    }

    .live-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 10px;
      border-radius: 999px;
      color: #dffcf4;
      background: rgba(33, 212, 164, .12);
      border: 1px solid rgba(33, 212, 164, .22);
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .rank-list {
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .rank-item {
      display: grid;
      grid-template-columns: 34px 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 13px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .075);
      border: 1px solid rgba(255, 255, 255, .10);
      transition: var(--ease);
    }

    .rank-item:hover {
      transform: translateX(-3px);
      background: rgba(255, 255, 255, .11);
    }

    .rank-num {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: var(--text-strong);
      background: linear-gradient(135deg, var(--accent), #ffe0a3);
      font-weight: 950;
    }

    .rank-info strong {
      display: block;
      color: var(--white);
      font-size: 15px;
      line-height: 1.35;
    }

    .rank-info span {
      display: block;
      margin-top: 2px;
      color: rgba(255, 255, 255, .58);
      font-size: 12px;
      line-height: 1.45;
    }

    .rank-score {
      color: #dffcf4;
      font-weight: 950;
      font-size: 15px;
    }

    .mini-board {
      margin-top: 14px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .mini-board div {
      padding: 12px 10px;
      border-radius: 16px;
      text-align: center;
      background: rgba(255, 255, 255, .07);
      border: 1px solid rgba(255, 255, 255, .1);
    }

    .mini-board strong {
      display: block;
      color: var(--white);
      font-size: 18px;
      line-height: 1.2;
    }

    .mini-board span {
      display: block;
      margin-top: 5px;
      color: rgba(255,255,255,.55);
      font-size: 12px;
    }

    .kpi-grid {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 24px;
      align-items: stretch;
    }

    .about-card {
      padding: 30px;
      border-radius: var(--radius-xl);
      background: var(--card);
      border: 1px solid rgba(126, 142, 173, .18);
      box-shadow: var(--shadow-soft);
    }

    .about-card.dark {
      color: var(--white);
      background:
        radial-gradient(circle at top right, rgba(139, 92, 246, .32), transparent 34%),
        linear-gradient(135deg, var(--bg), #161f39);
      border-color: rgba(255,255,255,.1);
    }

    .about-card.dark h2,
    .about-card.dark h3 {
      color: var(--white);
    }

    .about-card.dark p {
      color: rgba(255,255,255,.72);
    }

    .kpi-cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .kpi-card {
      padding: 24px;
      border-radius: 24px;
      background: var(--card);
      border: 1px solid rgba(126, 142, 173, .18);
      box-shadow: var(--shadow-soft);
      transition: var(--ease);
    }

    .kpi-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
    }

    .kpi-card strong {
      display: block;
      color: var(--text-strong);
      font-size: 34px;
      line-height: 1.1;
      letter-spacing: -.04em;
    }

    .kpi-card span {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-size: 14px;
    }

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 11px;
      border-radius: 999px;
      background: var(--card-soft);
      border: 1px solid rgba(126, 142, 173, .18);
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .steps-wrap {
      display: grid;
      grid-template-columns: 1.03fr .97fr;
      gap: 24px;
      align-items: stretch;
    }

    .steps-list {
      display: grid;
      gap: 14px;
      counter-reset: step;
    }

    .step-item {
      position: relative;
      display: grid;
      grid-template-columns: 54px 1fr;
      gap: 16px;
      padding: 20px;
      border-radius: 22px;
      background: var(--card);
      border: 1px solid rgba(126, 142, 173, .18);
      box-shadow: var(--shadow-soft);
      transition: var(--ease);
    }

    .step-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
    }

    .step-index {
      width: 54px;
      height: 54px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      color: var(--white);
      background: linear-gradient(135deg, var(--primary), #3b82f6);
      font-weight: 950;
      font-size: 18px;
    }

    .step-item p {
      margin-top: 6px;
      font-size: 14px;
      line-height: 1.75;
    }

    .scenario-card {
      min-height: 100%;
      padding: 30px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(33, 212, 164, .13), transparent 40%),
        linear-gradient(180deg, #ffffff, #f4f8ff);
      border: 1px solid rgba(126, 142, 173, .18);
      box-shadow: var(--shadow-soft);
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 24px;
    }

    .scenario-chip {
      padding: 15px;
      border-radius: 18px;
      background: rgba(255,255,255,.75);
      border: 1px solid rgba(126, 142, 173, .18);
    }

    .scenario-chip strong {
      color: var(--text-strong);
      font-size: 15px;
    }

    .scenario-chip span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .news-area {
      background: linear-gradient(180deg, rgba(17, 24, 45, .03), rgba(139, 92, 246, .05));
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 356px;
      gap: 24px;
      align-items: start;
    }

    .news-list {
      padding: 10px;
      border-radius: var(--radius-xl);
      background: var(--white);
      border: 1px solid rgba(126, 142, 173, .18);
      box-shadow: var(--shadow-soft);
      list-style: none;
    }

    .news-item a {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 15px;
      padding: 18px;
      border-radius: 20px;
    }

    .news-item a:hover {
      background: var(--card-soft);
      transform: translateX(3px);
    }

    .news-date {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 74px;
      height: 34px;
      border-radius: 999px;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-size: 13px;
      font-weight: 900;
    }

    .news-title {
      min-width: 0;
    }

    .news-title strong {
      display: block;
      color: var(--text-strong);
      line-height: 1.45;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .news-title span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .news-arrow {
      color: var(--muted-2);
      font-weight: 950;
    }

    .recommend-panel {
      position: sticky;
      top: calc(var(--header-h) + 24px);
      padding: 24px;
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at top right, rgba(255, 184, 77, .22), transparent 34%),
        linear-gradient(135deg, #121a31, #0b1020);
      color: var(--white);
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: var(--shadow);
    }

    .recommend-panel h3 {
      color: var(--white);
      font-size: 24px;
    }

    .recommend-panel p {
      margin-top: 10px;
      color: rgba(255,255,255,.7);
    }

    .recommend-list {
      margin-top: 20px;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .recommend-list li {
      display: flex;
      gap: 10px;
      padding: 13px;
      border-radius: 16px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.1);
      color: rgba(255,255,255,.82);
      font-size: 14px;
    }

    .service-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: stretch;
    }

    .service-main {
      padding: 30px;
      border-radius: var(--radius-xl);
      background: var(--white);
      border: 1px solid rgba(126, 142, 173, .18);
      box-shadow: var(--shadow-soft);
    }

    .service-cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .service-card {
      padding: 21px;
      border-radius: 22px;
      background: var(--card-soft);
      border: 1px solid rgba(126, 142, 173, .16);
      transition: var(--ease);
    }

    .service-card:hover {
      transform: translateY(-4px);
      background: #fff;
      box-shadow: var(--shadow-soft);
    }

    .icon-box {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      border-radius: 15px;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-weight: 950;
    }

    .service-card p {
      margin-top: 7px;
      font-size: 14px;
      line-height: 1.72;
    }

    .compare-card {
      padding: 30px;
      border-radius: var(--radius-xl);
      background: linear-gradient(180deg, #ffffff, #f7f9fc);
      border: 1px solid rgba(126, 142, 173, .18);
      box-shadow: var(--shadow-soft);
    }

    .compare-table {
      margin-top: 20px;
      display: grid;
      gap: 10px;
    }

    .compare-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    .compare-cell {
      padding: 14px;
      border-radius: 16px;
      background: var(--white);
      border: 1px solid rgba(126, 142, 173, .18);
      color: var(--muted);
      font-size: 14px;
    }

    .compare-cell.good {
      color: #0e6b58;
      background: rgba(33, 212, 164, .10);
      border-color: rgba(33, 212, 164, .25);
      font-weight: 800;
    }

    .compare-cell.weak {
      color: #7b5860;
      background: rgba(255, 100, 124, .07);
    }

    .guard-band {
      padding: 30px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(139, 92, 246, .10), transparent 45%),
        var(--white);
      border: 1px solid rgba(126, 142, 173, .18);
      box-shadow: var(--shadow-soft);
    }

    .guard-list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 22px;
    }

    .guard-item {
      min-height: 142px;
      padding: 20px;
      border-radius: 22px;
      background: var(--card-soft);
      border: 1px solid rgba(126, 142, 173, .16);
      transition: var(--ease);
    }

    .guard-item:hover {
      transform: translateY(-4px);
      background: #fff;
      box-shadow: var(--shadow-soft);
    }

    .guard-item strong {
      color: var(--text-strong);
      display: block;
      margin-bottom: 7px;
    }

    .guard-item span {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.68;
    }

    .app-section {
      padding: 82px 0;
    }

    .app-shell {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 30px;
      align-items: center;
      padding: clamp(28px, 4.5vw, 50px);
      border-radius: 34px;
      color: var(--white);
      background:
        radial-gradient(circle at 20% 20%, rgba(33, 212, 164, .26), transparent 27%),
        radial-gradient(circle at 82% 70%, rgba(139, 92, 246, .30), transparent 30%),
        linear-gradient(135deg, #0b1020, #171f38 58%, #0d2825);
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: 0 34px 80px rgba(8, 17, 31, .22);
      overflow: hidden;
      position: relative;
    }

    .app-shell h2 {
      color: var(--white);
    }

    .app-shell p {
      color: rgba(255,255,255,.72);
    }

    .app-actions {
      margin-top: 24px;
      padding: 18px;
      border-radius: 24px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
    }

    .lead-form {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
    }

    .lead-form input {
      height: 50px;
      color: var(--white);
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.16);
    }

    .lead-form input::placeholder {
      color: rgba(255,255,255,.45);
    }

    .form-note {
      margin-top: 10px;
      color: rgba(255,255,255,.55);
      font-size: 13px;
    }

    .app-stage {
      display: grid;
      gap: 14px;
    }

    .stage-card {
      display: grid;
      grid-template-columns: 52px 1fr auto;
      align-items: center;
      gap: 14px;
      padding: 16px;
      border-radius: 22px;
      background: rgba(255,255,255,.10);
      border: 1px solid rgba(255,255,255,.13);
      backdrop-filter: blur(12px);
      transition: var(--ease);
    }

    .stage-card:hover {
      transform: translateX(-4px);
      background: rgba(255,255,255,.14);
    }

    .stage-icon {
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      color: var(--text-strong);
      background: var(--secondary);
      font-weight: 950;
    }

    .stage-card strong {
      display: block;
      color: var(--white);
      line-height: 1.35;
    }

    .stage-card span {
      display: block;
      color: rgba(255,255,255,.56);
      font-size: 13px;
      margin-top: 3px;
    }

    .stage-tag {
      padding: 7px 10px;
      border-radius: 999px;
      color: #ffe5b5;
      background: rgba(255,184,77,.12);
      border: 1px solid rgba(255,184,77,.22);
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: 360px 1fr;
      gap: 30px;
      align-items: start;
    }

    .faq-aside {
      position: sticky;
      top: calc(var(--header-h) + 24px);
      padding: 28px;
      border-radius: var(--radius-xl);
      background: var(--white);
      border: 1px solid rgba(126, 142, 173, .18);
      box-shadow: var(--shadow-soft);
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      border-radius: 22px;
      background: var(--white);
      border: 1px solid rgba(126, 142, 173, .18);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 22px;
      background: transparent;
      color: var(--text-strong);
      text-align: left;
      font-weight: 900;
    }

    .faq-question span:last-child {
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 999px;
      color: var(--primary-dark);
      background: var(--primary-soft);
      transition: var(--ease);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 22px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.9;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    .faq-item.active .faq-question span:last-child {
      transform: rotate(45deg);
      color: var(--white);
      background: var(--primary);
    }

    .site-footer {
      padding: 64px 0 96px;
      color: rgba(255,255,255,.72);
      background:
        radial-gradient(circle at 20% 0%, rgba(139, 92, 246, .22), transparent 32%),
        linear-gradient(135deg, #0b1020, #11182d);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--white);
      font-weight: 950;
      font-size: 20px;
    }

    .footer-brand .brand-mark {
      width: 44px;
      height: 44px;
    }

    .footer-text {
      max-width: 680px;
      margin-top: 16px;
      color: rgba(255,255,255,.64);
    }

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

    .footer-links a {
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.10);
      color: rgba(255,255,255,.72);
      font-size: 14px;
      font-weight: 800;
    }

    .footer-links a:hover {
      color: var(--white);
      background: rgba(255,255,255,.12);
      transform: translateY(-2px);
    }

    .copyright {
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.1);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 14px;
      color: rgba(255,255,255,.48);
      font-size: 13px;
    }

    .fixed-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      z-index: 90;
      transform: translateX(-50%);
      width: min(100% - 32px, 920px);
      display: grid;
      grid-template-columns: 1fr auto auto;
      align-items: center;
      gap: 14px;
      padding: 12px 14px 12px 18px;
      border-radius: 999px;
      color: var(--white);
      background: rgba(11, 16, 32, .88);
      border: 1px solid rgba(255,255,255,.14);
      box-shadow: 0 20px 60px rgba(8, 17, 31, .30);
      backdrop-filter: blur(18px);
    }

    .fixed-cta strong {
      display: block;
      line-height: 1.3;
    }

    .fixed-cta span {
      display: block;
      color: rgba(255,255,255,.58);
      font-size: 12px;
      margin-top: 2px;
    }

    .fixed-cta .btn {
      min-height: 42px;
      padding: 0 16px;
      font-size: 14px;
    }

    .toast {
      position: fixed;
      right: 20px;
      bottom: 92px;
      z-index: 100;
      max-width: 340px;
      padding: 14px 16px;
      border-radius: 16px;
      color: var(--white);
      background: rgba(8, 17, 31, .92);
      box-shadow: var(--shadow);
      opacity: 0;
      transform: translateY(10px);
      pointer-events: none;
      transition: var(--ease);
      font-size: 14px;
    }

    .toast.show {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 1024px) {
      .nav-search {
        display: none;
      }

      .hero-layout,
      .kpi-grid,
      .steps-wrap,
      .service-grid,
      .app-shell,
      .faq-layout,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .hero-panel {
        align-self: stretch;
      }

      .news-layout {
        grid-template-columns: 1fr;
      }

      .recommend-panel,
      .faq-aside {
        position: static;
      }

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

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

    @media (max-width: 768px) {
      :root {
        --header-h: 68px;
      }

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

      .countdown-inner {
        min-height: auto;
        padding: 9px 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
      }

      .nav {
        min-height: var(--header-h);
      }

      .brand-text span {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .nav-right {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(100% + 8px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 14px;
        border-radius: 22px;
        background: rgba(255,255,255,.96);
        border: 1px solid rgba(126, 142, 173, .20);
        box-shadow: var(--shadow);
      }

      .site-header.open .nav-right {
        display: flex;
      }

      .nav-links {
        width: 100%;
      }

      .nav-links li,
      .nav-links a {
        width: 100%;
      }

      .nav-links a {
        justify-content: center;
      }

      .nav-cta {
        width: 100%;
      }

      .hero {
        padding-top: 24px;
      }

      .hero-shell {
        border-radius: 26px;
      }

      .hero-layout {
        padding: 24px;
        gap: 22px;
      }

      h1 {
        font-size: clamp(34px, 10vw, 48px);
      }

      h2 {
        font-size: clamp(25px, 8vw, 36px);
      }

      .section {
        padding: 62px 0;
      }

      .section-tight {
        padding: 50px 0;
      }

      .kpi-cards,
      .service-cards,
      .scenario-grid {
        grid-template-columns: 1fr;
      }

      .news-item a {
        grid-template-columns: 1fr auto;
        gap: 10px;
      }

      .news-date {
        grid-column: 1 / -1;
        justify-content: flex-start;
        width: fit-content;
        padding: 0 12px;
      }

      .lead-form {
        grid-template-columns: 1fr;
      }

      .stage-card {
        grid-template-columns: 46px 1fr;
      }

      .stage-tag {
        grid-column: 2;
        width: fit-content;
      }

      .fixed-cta {
        grid-template-columns: 1fr;
        border-radius: 24px;
        align-items: stretch;
      }

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

    @media (max-width: 520px) {
      body {
        line-height: 1.72;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
      }

      .brand-text strong {
        font-size: 16px;
      }

      .btn-row {
        align-items: stretch;
      }

      .btn-row .btn {
        width: 100%;
      }

      .hero-meta {
        gap: 8px;
      }

      .data-pill {
        width: 100%;
        justify-content: center;
      }

      .rank-card,
      .about-card,
      .scenario-card,
      .service-main,
      .compare-card,
      .guard-band,
      .faq-aside {
        padding: 22px;
      }

      .rank-item {
        grid-template-columns: 32px 1fr;
      }

      .rank-score {
        grid-column: 2;
      }

      .mini-board,
      .guard-list {
        grid-template-columns: 1fr;
      }

      .compare-row {
        grid-template-columns: 1fr;
      }

      .copyright {
        flex-direction: column;
      }

      .toast {
        left: 16px;
        right: 16px;
        bottom: 150px;
      }
    }