/* roulang page: index */
:root {
      --bg: #f6f7fb;
      --bg-soft: #eef2ff;
      --surface: #ffffff;
      --surface-2: rgba(255,255,255,.78);
      --text: #172033;
      --muted: #667085;
      --weak: #98a2b3;
      --primary: #6d5dfc;
      --primary-2: #8a4dff;
      --primary-dark: #4232d6;
      --accent: #22c55e;
      --accent-2: #14b8a6;
      --warning: #f59e0b;
      --danger: #ef4444;
      --line: rgba(23,32,51,.10);
      --line-strong: rgba(23,32,51,.16);
      --shadow: 0 18px 50px rgba(32, 41, 78, .12);
      --shadow-soft: 0 10px 30px rgba(32, 41, 78, .08);
      --radius-xs: 10px;
      --radius-sm: 14px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1180px;
      --nav-height: 76px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    }

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

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

    body {
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(109,93,252,.18), transparent 28%),
        radial-gradient(circle at 88% 10%, rgba(20,184,166,.15), transparent 30%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 48%, #ffffff 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }

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

    button, input, textarea, select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: transparent;
    }

    input, textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      padding: 13px 15px;
      background: rgba(255,255,255,.88);
      color: var(--text);
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    input:focus, textarea:focus, button:focus-visible, a:focus-visible {
      outline: 3px solid rgba(109,93,252,.22);
      outline-offset: 3px;
    }

    input:focus, textarea:focus {
      border-color: rgba(109,93,252,.65);
      box-shadow: 0 0 0 4px rgba(109,93,252,.10);
      background: #fff;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(18px);
      background: rgba(255,255,255,.82);
      border-bottom: 1px solid rgba(23,32,51,.08);
    }

    .nav-wrap {
      min-height: var(--nav-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: -.02em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent-2));
      box-shadow: 0 12px 26px rgba(109,93,252,.28);
      flex: 0 0 auto;
    }

    .brand-mark span {
      font-size: 17px;
      font-weight: 900;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
      min-width: 0;
    }

    .brand-text strong {
      font-size: 16px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .brand-text small {
      margin-top: 4px;
      color: var(--muted);
      font-weight: 700;
      font-size: 12px;
    }

    .nav-main {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;
    }

    .nav-item {
      position: relative;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 11px 15px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 800;
      color: #344054;
    }

    .nav-link:hover {
      color: var(--primary-dark);
      background: rgba(109,93,252,.08);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 10px 22px rgba(109,93,252,.22);
    }

    .mega-trigger::after {
      content: "";
      width: 7px;
      height: 7px;
      border-right: 2px solid currentColor;
      border-bottom: 2px solid currentColor;
      transform: rotate(45deg) translateY(-2px);
      opacity: .6;
    }

    .mega-panel {
      position: absolute;
      right: 0;
      top: calc(100% + 16px);
      width: 380px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: 24px;
      background: rgba(255,255,255,.96);
      box-shadow: var(--shadow);
      opacity: 0;
      transform: translateY(10px);
      pointer-events: none;
      transition: opacity .2s ease, transform .2s ease;
    }

    .nav-item:hover .mega-panel,
    .nav-item:focus-within .mega-panel {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    .mega-panel::before {
      content: "";
      position: absolute;
      top: -18px;
      right: 28px;
      width: 100px;
      height: 18px;
    }

    .mega-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 8px 8px 12px;
    }

    .mega-head strong {
      font-size: 15px;
    }

    .mega-head span {
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .mega-grid {
      display: grid;
      gap: 10px;
    }

    .mega-card {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 13px;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(109,93,252,.08), rgba(20,184,166,.06));
      border: 1px solid rgba(109,93,252,.10);
    }

    .mega-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-soft);
      border-color: rgba(109,93,252,.22);
    }

    .mega-icon {
      width: 34px;
      height: 34px;
      flex: 0 0 auto;
      border-radius: 12px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent-2));
      font-size: 16px;
    }

    .mega-card b {
      display: block;
      font-size: 14px;
      margin-bottom: 2px;
    }

    .mega-card p {
      color: var(--muted);
      font-size: 12px;
      line-height: 1.55;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search-mini {
      position: relative;
      width: 210px;
    }

    .search-mini input {
      height: 42px;
      padding: 10px 40px 10px 14px;
      border-radius: 999px;
      font-size: 13px;
      background: rgba(246,247,251,.92);
    }

    .search-mini span {
      position: absolute;
      right: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--weak);
      font-size: 14px;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--text);
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      background: currentColor;
      border-radius: 10px;
      transition: transform .2s ease, opacity .2s ease;
    }

    .menu-toggle.is-open span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

    .menu-toggle.is-open span:nth-child(2) {
      opacity: 0;
    }

    .menu-toggle.is-open span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 44px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 900;
      font-size: 14px;
      border: 1px solid transparent;
      white-space: nowrap;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
    }

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

    .btn:active {
      transform: translateY(0) scale(.98);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 16px 30px rgba(109,93,252,.28);
    }

    .btn-primary:hover {
      box-shadow: 0 20px 36px rgba(109,93,252,.34);
    }

    .btn-ghost {
      color: var(--primary-dark);
      background: rgba(109,93,252,.08);
      border-color: rgba(109,93,252,.14);
    }

    .btn-ghost:hover {
      background: rgba(109,93,252,.12);
      border-color: rgba(109,93,252,.22);
    }

    .btn-dark {
      color: #fff;
      background: #151928;
      box-shadow: 0 15px 28px rgba(21,25,40,.18);
    }

    .btn-light {
      color: var(--text);
      background: #fff;
      border-color: rgba(255,255,255,.38);
      box-shadow: 0 12px 24px rgba(18,24,38,.10);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 11px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 900;
      color: var(--primary-dark);
      background: rgba(109,93,252,.10);
      border: 1px solid rgba(109,93,252,.16);
    }

    .badge.green {
      color: #067647;
      background: rgba(34,197,94,.12);
      border-color: rgba(34,197,94,.20);
    }

    .badge.orange {
      color: #b54708;
      background: rgba(245,158,11,.13);
      border-color: rgba(245,158,11,.22);
    }

    main {
      overflow: hidden;
    }

    section {
      padding: 72px 0;
    }

    .hero {
      padding: 34px 0 84px;
    }

    .creator-board {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(109,93,252,.94), rgba(138,77,255,.84) 45%, rgba(20,184,166,.88)),
        radial-gradient(circle at 78% 18%, rgba(255,255,255,.34), transparent 26%);
      box-shadow: var(--shadow);
      color: #fff;
      min-height: 500px;
    }

    .creator-board::before,
    .creator-board::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      background: rgba(255,255,255,.14);
      filter: blur(.2px);
    }

    .creator-board::before {
      width: 260px;
      height: 260px;
      right: -70px;
      top: -80px;
    }

    .creator-board::after {
      width: 180px;
      height: 180px;
      left: 42%;
      bottom: -90px;
    }

    .hero-cover {
      height: 156px;
      background:
        linear-gradient(90deg, rgba(255,255,255,.18), rgba(255,255,255,.04)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.12) 0 1px, transparent 1px 18px);
      border-bottom: 1px solid rgba(255,255,255,.18);
      position: relative;
      z-index: 1;
    }

    .creator-content {
      position: relative;
      z-index: 2;
      padding: 0 42px 42px;
      display: grid;
      grid-template-columns: 1.35fr .75fr;
      gap: 34px;
      align-items: end;
      margin-top: -54px;
    }

    .profile-row {
      display: flex;
      align-items: flex-end;
      gap: 18px;
      margin-bottom: 24px;
    }

    .avatar {
      width: 108px;
      height: 108px;
      border-radius: 32px;
      border: 5px solid rgba(255,255,255,.82);
      background: linear-gradient(135deg, #fff, rgba(255,255,255,.72));
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      font-weight: 1000;
      font-size: 26px;
      box-shadow: 0 18px 36px rgba(20,24,44,.22);
      flex: 0 0 auto;
    }

    .profile-meta {
      padding-bottom: 7px;
      min-width: 0;
    }

    .profile-meta .nickname {
      display: flex;
      align-items: center;
      gap: 9px;
      flex-wrap: wrap;
      font-weight: 1000;
      font-size: 24px;
      letter-spacing: -.03em;
    }

    .verified {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 23px;
      height: 23px;
      border-radius: 50%;
      background: #fff;
      color: var(--accent-2);
      font-size: 13px;
      font-weight: 1000;
    }

    .profile-meta p {
      color: rgba(255,255,255,.78);
      font-weight: 750;
      font-size: 14px;
      margin-top: 5px;
    }

    h1 {
      font-size: clamp(34px, 5.1vw, 64px);
      line-height: 1.08;
      letter-spacing: -.055em;
      max-width: 850px;
      margin-bottom: 18px;
    }

    .hero-intro {
      max-width: 780px;
      color: rgba(255,255,255,.86);
      font-size: 17px;
      line-height: 1.88;
      margin-bottom: 24px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    .data-stack {
      display: grid;
      gap: 14px;
    }

    .data-card {
      position: relative;
      padding: 18px;
      border-radius: 24px;
      background: rgba(255,255,255,.15);
      border: 1px solid rgba(255,255,255,.22);
      backdrop-filter: blur(12px);
    }

    .data-card:hover {
      transform: translateY(-3px);
      background: rgba(255,255,255,.19);
    }

    .data-card b {
      display: block;
      font-size: 28px;
      line-height: 1;
      letter-spacing: -.03em;
      margin-bottom: 8px;
    }

    .data-card span {
      color: rgba(255,255,255,.78);
      font-size: 13px;
      font-weight: 760;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 26px;
      margin-bottom: 30px;
    }

    .section-kicker {
      display: inline-flex;
      margin-bottom: 12px;
      color: var(--primary-dark);
      font-weight: 1000;
      font-size: 13px;
      letter-spacing: .06em;
    }

    .section-title {
      font-size: clamp(26px, 3vw, 42px);
      line-height: 1.18;
      letter-spacing: -.04em;
      margin-bottom: 10px;
    }

    .section-desc {
      color: var(--muted);
      max-width: 720px;
      font-size: 16px;
    }

    .ladder-section {
      background: linear-gradient(180deg, transparent 0%, rgba(238,242,255,.60) 100%);
    }

    .ladder-wrap {
      display: grid;
      grid-template-columns: .95fr 1.25fr;
      gap: 24px;
      align-items: stretch;
    }

    .pain-card {
      border-radius: var(--radius-lg);
      background: #151928;
      color: #fff;
      padding: 30px;
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .pain-card::after {
      content: "";
      position: absolute;
      width: 220px;
      height: 220px;
      right: -90px;
      bottom: -80px;
      border-radius: 50%;
      background: rgba(109,93,252,.28);
    }

    .pain-card h2 {
      font-size: 28px;
      line-height: 1.2;
      letter-spacing: -.03em;
      margin: 14px 0;
    }

    .pain-card p {
      color: rgba(255,255,255,.72);
      position: relative;
      z-index: 1;
    }

    .check-list {
      display: grid;
      gap: 12px;
      margin-top: 24px;
      position: relative;
      z-index: 1;
    }

    .check-list li {
      list-style: none;
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: rgba(255,255,255,.84);
      font-weight: 750;
      font-size: 14px;
    }

    .check-list li::before {
      content: "✓";
      width: 22px;
      height: 22px;
      flex: 0 0 auto;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(34,197,94,.18);
      color: #86efac;
      font-size: 12px;
      font-weight: 1000;
      margin-top: 1px;
    }

    .ladder-cards {
      display: grid;
      gap: 14px;
    }

    .ladder-item {
      display: grid;
      grid-template-columns: 86px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px;
      border-radius: 26px;
      background: var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .ladder-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow);
      border-color: rgba(109,93,252,.22);
    }

    .ladder-no {
      width: 72px;
      height: 72px;
      border-radius: 22px;
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 23px;
      font-weight: 1000;
      background: linear-gradient(135deg, var(--primary), var(--accent-2));
    }

    .ladder-item h3 {
      font-size: 19px;
      margin-bottom: 4px;
      letter-spacing: -.02em;
    }

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

    .ladder-price {
      text-align: right;
      white-space: nowrap;
    }

    .ladder-price strong {
      display: block;
      font-size: 24px;
      color: var(--primary-dark);
      line-height: 1.1;
    }

    .ladder-price span {
      color: var(--weak);
      font-size: 12px;
      font-weight: 800;
    }

    .plans {
      background: #fff;
    }

    .plan-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      align-items: stretch;
    }

    .plan-card {
      position: relative;
      border-radius: var(--radius-lg);
      padding: 26px;
      background: linear-gradient(180deg, #fff, #fbfcff);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .plan-card.featured {
      background:
        linear-gradient(#fff, #fff) padding-box,
        linear-gradient(135deg, var(--primary), var(--accent-2)) border-box;
      border: 1px solid transparent;
      transform: translateY(-10px);
      box-shadow: 0 24px 56px rgba(109,93,252,.18);
    }

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

    .plan-card.featured:hover {
      transform: translateY(-13px);
    }

    .plan-tag {
      position: absolute;
      top: 18px;
      right: 18px;
    }

    .plan-card h3 {
      font-size: 23px;
      letter-spacing: -.03em;
      margin: 14px 0 10px;
    }

    .plan-card .price {
      display: flex;
      align-items: flex-end;
      gap: 5px;
      margin: 16px 0;
    }

    .plan-card .price strong {
      font-size: 40px;
      line-height: 1;
      letter-spacing: -.05em;
      color: var(--text);
    }

    .plan-card .price span {
      color: var(--muted);
      font-weight: 800;
      padding-bottom: 5px;
      font-size: 13px;
    }

    .plan-card p {
      color: var(--muted);
      font-size: 14px;
      min-height: 48px;
    }

    .feature-list {
      display: grid;
      gap: 11px;
      margin: 20px 0 24px;
    }

    .feature-list li {
      list-style: none;
      display: flex;
      gap: 9px;
      color: #344054;
      font-size: 14px;
      font-weight: 750;
    }

    .feature-list li::before {
      content: "";
      width: 18px;
      height: 18px;
      flex: 0 0 auto;
      margin-top: 3px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: inset 0 0 0 5px rgba(255,255,255,.35);
    }

    .guarantee {
      padding: 48px 0;
      background: linear-gradient(135deg, rgba(109,93,252,.10), rgba(20,184,166,.10));
    }

    .guarantee-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(255,255,255,.72);
      box-shadow: var(--shadow-soft);
      padding: 14px;
      backdrop-filter: blur(14px);
    }

    .guarantee-item {
      display: flex;
      gap: 13px;
      align-items: flex-start;
      padding: 16px;
      border-radius: 22px;
    }

    .guarantee-item:hover {
      background: #fff;
      box-shadow: var(--shadow-soft);
      transform: translateY(-2px);
    }

    .guarantee-icon {
      width: 42px;
      height: 42px;
      flex: 0 0 auto;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
    }

    .guarantee-item b {
      display: block;
      font-size: 15px;
      margin-bottom: 3px;
    }

    .guarantee-item span {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .security-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
      align-items: stretch;
    }

    .security-panel {
      border-radius: var(--radius-lg);
      padding: 30px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .security-panel.dark {
      background:
        radial-gradient(circle at 86% 16%, rgba(34,197,94,.20), transparent 24%),
        linear-gradient(135deg, #161b2b, #252b45);
      color: #fff;
      border-color: transparent;
      overflow: hidden;
      position: relative;
    }

    .security-panel.dark p {
      color: rgba(255,255,255,.72);
    }

    .security-panel h2 {
      font-size: 30px;
      line-height: 1.22;
      letter-spacing: -.035em;
      margin: 12px 0;
    }

    .security-panel p {
      color: var(--muted);
    }

    .risk-list {
      display: grid;
      gap: 13px;
      margin-top: 24px;
    }

    .risk-item {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .risk-item:last-child {
      border-bottom: 0;
    }

    .risk-item b {
      font-size: 15px;
    }

    .progress {
      width: 132px;
      height: 9px;
      border-radius: 99px;
      background: rgba(255,255,255,.14);
      overflow: hidden;
      flex: 0 0 auto;
    }

    .progress span {
      height: 100%;
      display: block;
      border-radius: inherit;
      background: linear-gradient(90deg, #86efac, #22c55e);
    }

    .security-cards {
      display: grid;
      gap: 14px;
    }

    .mini-card {
      padding: 20px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .mini-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow);
    }

    .mini-card h3 {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 17px;
      margin-bottom: 8px;
    }

    .mini-card h3 span {
      width: 32px;
      height: 32px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent-2));
      font-size: 14px;
    }

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

    .proof {
      background: linear-gradient(180deg, #fff, rgba(238,242,255,.55));
    }

    .proof-layout {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 22px;
    }

    .rating-card {
      border-radius: var(--radius-lg);
      padding: 30px;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      color: #fff;
      box-shadow: var(--shadow);
    }

    .stars {
      display: flex;
      gap: 4px;
      margin: 18px 0;
      color: #fde68a;
      font-size: 22px;
      letter-spacing: 2px;
    }

    .rating-card strong {
      display: block;
      font-size: 48px;
      letter-spacing: -.06em;
      line-height: 1;
    }

    .rating-card p {
      color: rgba(255,255,255,.80);
      margin-top: 12px;
    }

    .proof-cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .case-card {
      padding: 22px;
      border-radius: 26px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .case-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow);
    }

    .case-card .quote {
      color: var(--muted);
      font-size: 14px;
      margin: 10px 0 16px;
    }

    .case-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid var(--line);
    }

    .case-name {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
    }

    .case-avatar {
      width: 36px;
      height: 36px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--accent-2), var(--primary));
      font-size: 13px;
    }

    .news {
      background: #fff;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) .75fr;
      gap: 22px;
      align-items: start;
    }

    .news-list {
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .news-item {
      display: grid;
      grid-template-columns: 92px minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 22px;
      border-bottom: 1px solid var(--line);
    }

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

    .news-item:hover {
      background: rgba(109,93,252,.045);
    }

    .news-date {
      border-radius: 18px;
      padding: 12px 10px;
      text-align: center;
      background: rgba(109,93,252,.08);
      color: var(--primary-dark);
      font-weight: 1000;
      line-height: 1.1;
    }

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

    .news-item h3 {
      font-size: 18px;
      line-height: 1.35;
      margin-bottom: 6px;
      letter-spacing: -.02em;
    }

    .news-item h3 a:hover {
      color: var(--primary-dark);
    }

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

    .arrow {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(109,93,252,.08);
      color: var(--primary-dark);
      font-weight: 1000;
    }

    .news-item:hover .arrow {
      background: var(--primary);
      color: #fff;
      transform: translateX(4px);
    }

    .recommend {
      display: grid;
      gap: 14px;
      position: sticky;
      top: 98px;
    }

    .recommend-card {
      border-radius: 26px;
      padding: 22px;
      border: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(109,93,252,.09), rgba(20,184,166,.07)),
        #fff;
      box-shadow: var(--shadow-soft);
    }

    .recommend-card h3 {
      font-size: 20px;
      margin-bottom: 10px;
    }

    .topic-list {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 16px;
    }

    .topic-list a {
      padding: 9px 12px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid rgba(109,93,252,.14);
      color: #344054;
      font-size: 13px;
      font-weight: 850;
    }

    .topic-list a:hover {
      color: #fff;
      background: var(--primary);
      transform: translateY(-2px);
    }

    .hot-list {
      counter-reset: hot;
      display: grid;
      gap: 10px;
      margin-top: 16px;
    }

    .hot-list li {
      counter-increment: hot;
      list-style: none;
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.74);
      border: 1px solid rgba(23,32,51,.06);
    }

    .hot-list li::before {
      content: counter(hot);
      width: 25px;
      height: 25px;
      flex: 0 0 auto;
      border-radius: 9px;
      display: grid;
      place-items: center;
      background: #151928;
      color: #fff;
      font-size: 12px;
      font-weight: 1000;
    }

    .hot-list b {
      display: block;
      font-size: 14px;
      margin-bottom: 2px;
    }

    .hot-list span {
      color: var(--muted);
      font-size: 12px;
      line-height: 1.5;
    }

    .faq {
      background: linear-gradient(180deg, rgba(238,242,255,.55), #fff);
    }

    .faq-layout {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 24px;
      align-items: start;
    }

    .faq-side {
      border-radius: var(--radius-lg);
      padding: 28px;
      background: #151928;
      color: #fff;
      box-shadow: var(--shadow);
      position: sticky;
      top: 98px;
    }

    .faq-side p {
      color: rgba(255,255,255,.72);
      margin: 12px 0 22px;
    }

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

    .faq-item {
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 22px;
      color: var(--text);
      font-weight: 950;
      text-align: left;
    }

    .faq-question:hover {
      background: rgba(109,93,252,.045);
    }

    .faq-question span {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      background: rgba(109,93,252,.09);
      transition: transform .2s ease, background .2s ease, color .2s ease;
    }

    .faq-item.is-open .faq-question span {
      transform: rotate(45deg);
      color: #fff;
      background: var(--primary);
    }

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

    .faq-item.is-open .faq-answer {
      display: block;
    }

    .limited {
      padding-bottom: 88px;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at 14% 18%, rgba(255,255,255,.26), transparent 25%),
        linear-gradient(135deg, #151928 0%, #2c2761 45%, #0f766e 100%);
      color: #fff;
      padding: 42px;
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: 1fr .9fr;
      gap: 32px;
      align-items: center;
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      right: -70px;
      top: -70px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(255,255,255,.12);
    }

    .cta-content {
      position: relative;
      z-index: 1;
    }

    .cta-content h2 {
      font-size: clamp(28px, 3.4vw, 46px);
      line-height: 1.16;
      letter-spacing: -.045em;
      margin: 12px 0;
    }

    .cta-content p {
      color: rgba(255,255,255,.76);
      max-width: 680px;
    }

    .countdown {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin: 24px 0;
    }

    .time-box {
      min-width: 76px;
      padding: 12px 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.13);
      border: 1px solid rgba(255,255,255,.20);
      text-align: center;
      backdrop-filter: blur(12px);
    }

    .time-box b {
      display: block;
      font-size: 24px;
      line-height: 1;
    }

    .time-box span {
      color: rgba(255,255,255,.68);
      font-size: 12px;
      font-weight: 850;
    }

    .lead-form {
      position: relative;
      z-index: 1;
      padding: 24px;
      border-radius: 28px;
      background: rgba(255,255,255,.13);
      border: 1px solid rgba(255,255,255,.20);
      backdrop-filter: blur(16px);
    }

    .lead-form h3 {
      font-size: 22px;
      margin-bottom: 6px;
    }

    .lead-form p {
      color: rgba(255,255,255,.72);
      font-size: 14px;
      margin-bottom: 16px;
    }

    .lead-form input,
    .lead-form textarea {
      background: rgba(255,255,255,.92);
      border-color: rgba(255,255,255,.28);
      margin-bottom: 10px;
    }

    .lead-form textarea {
      resize: vertical;
      min-height: 94px;
    }

    .form-note {
      color: rgba(255,255,255,.62);
      font-size: 12px;
      margin-top: 10px;
    }

    .site-footer {
      background: #0f1322;
      color: rgba(255,255,255,.76);
      padding: 52px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 32px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.10);
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 1000;
      margin-bottom: 14px;
    }

    .footer-brand .brand-mark {
      width: 40px;
      height: 40px;
      box-shadow: none;
    }

    .footer-desc {
      max-width: 520px;
      color: rgba(255,255,255,.62);
      font-size: 14px;
    }

    .footer-col h3 {
      color: #fff;
      font-size: 15px;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a,
    .footer-links span {
      color: rgba(255,255,255,.62);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 22px;
      color: rgba(255,255,255,.50);
      font-size: 13px;
    }

    .float-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 40;
      display: none;
      width: min(calc(100% - 28px), 560px);
      padding: 10px;
      border-radius: 999px;
      background: rgba(21,25,40,.86);
      border: 1px solid rgba(255,255,255,.14);
      backdrop-filter: blur(14px);
      box-shadow: 0 18px 46px rgba(21,25,40,.22);
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      color: #fff;
    }

    .float-cta span {
      padding-left: 12px;
      font-size: 13px;
      font-weight: 850;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .float-cta .btn {
      min-height: 38px;
      padding: 9px 14px;
      font-size: 13px;
    }

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

      .creator-content,
      .ladder-wrap,
      .security-grid,
      .proof-layout,
      .news-layout,
      .faq-layout,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .data-stack {
        grid-template-columns: repeat(3, 1fr);
      }

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

      .recommend,
      .faq-side {
        position: static;
      }

      .plan-grid {
        gap: 14px;
      }
    }

    @media (max-width: 768px) {
      :root {
        --nav-height: 66px;
      }

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

      section {
        padding: 54px 0;
      }

      .site-header {
        background: rgba(255,255,255,.94);
      }

      .menu-toggle {
        display: block;
      }

      .nav-main {
        position: fixed;
        left: 14px;
        right: 14px;
        top: calc(var(--nav-height) + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 14px;
        border-radius: 24px;
        background: rgba(255,255,255,.96);
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
      }

      .nav-main.is-open {
        display: flex;
      }

      .nav-link {
        width: 100%;
        justify-content: center;
      }

      .mega-panel {
        position: static;
        opacity: 1;
        transform: none;
        pointer-events: auto;
        width: 100%;
        box-shadow: none;
        margin-top: 8px;
        display: none;
      }

      .nav-item:hover .mega-panel,
      .nav-item:focus-within .mega-panel {
        display: block;
      }

      .nav-actions {
        margin-left: auto;
      }

      .brand-text strong {
        max-width: 190px;
      }

      .hero {
        padding-top: 22px;
      }

      .creator-board {
        border-radius: 28px;
      }

      .hero-cover {
        height: 120px;
      }

      .creator-content {
        padding: 0 22px 28px;
        margin-top: -42px;
      }

      .profile-row {
        align-items: center;
      }

      .avatar {
        width: 86px;
        height: 86px;
        border-radius: 26px;
        font-size: 21px;
      }

      .profile-meta .nickname {
        font-size: 19px;
      }

      .hero-intro {
        font-size: 15px;
      }

      .data-stack,
      .plan-grid,
      .proof-cards {
        grid-template-columns: 1fr;
      }

      .plan-card.featured,
      .plan-card.featured:hover {
        transform: none;
      }

      .ladder-item {
        grid-template-columns: 64px 1fr;
      }

      .ladder-price {
        grid-column: 2;
        text-align: left;
      }

      .ladder-no {
        width: 58px;
        height: 58px;
        border-radius: 18px;
        font-size: 19px;
      }

      .section-head {
        display: block;
      }

      .guarantee-bar {
        grid-template-columns: 1fr;
      }

      .news-item {
        grid-template-columns: 72px 1fr;
      }

      .news-item .arrow {
        grid-column: 2;
        justify-self: start;
      }

      .cta-panel {
        padding: 26px;
        border-radius: 28px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .float-cta {
        display: flex;
      }
    }

    @media (max-width: 520px) {
      .brand-text small {
        display: none;
      }

      .brand-text strong {
        max-width: 156px;
        font-size: 14px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

      .hero-actions {
        align-items: stretch;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .profile-row {
        flex-direction: column;
        align-items: flex-start;
      }

      .data-stack {
        grid-template-columns: 1fr;
      }

      .ladder-item {
        grid-template-columns: 1fr;
      }

      .ladder-price {
        grid-column: auto;
      }

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

      .news-date {
        width: fit-content;
      }

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

      .time-box {
        min-width: 0;
      }

      .footer-bottom {
        padding-bottom: 72px;
      }
    }