/* roulang page: index */
:root {
      --primary: #1769ff;
      --primary-dark: #0d49bd;
      --primary-soft: #eaf2ff;
      --secondary: #12b5cb;
      --accent: #ffb84d;
      --ink: #102033;
      --text: #344258;
      --muted: #6c7a92;
      --light: #f6f9ff;
      --surface: #ffffff;
      --surface-2: #eef5ff;
      --border: #dce6f5;
      --line: rgba(23, 105, 255, .16);
      --shadow-sm: 0 8px 24px rgba(16, 32, 51, .08);
      --shadow-md: 0 18px 48px rgba(16, 32, 51, .12);
      --shadow-lg: 0 28px 80px rgba(13, 73, 189, .18);
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 30px;
      --container: 1180px;
      --nav-height: 76px;
      --focus: 0 0 0 4px rgba(23, 105, 255, .18);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(23, 105, 255, .10), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(18, 181, 203, .10), transparent 30%),
        linear-gradient(180deg, #fbfdff 0%, #f6f9ff 52%, #ffffff 100%);
      line-height: 1.72;
      overflow-x: hidden;
      padding-bottom: 78px;
    }

    body.menu-open {
      overflow: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease, box-shadow .22s ease;
    }

    a:hover,
    a:focus {
      color: var(--primary);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

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

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

    input,
    select,
    textarea {
      width: 100%;
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 13px 15px;
      color: var(--ink);
      background: #fff;
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    input:focus,
    select:focus,
    textarea:focus {
      border-color: rgba(23, 105, 255, .65);
      box-shadow: var(--focus);
      background: #fcfdff;
    }

    textarea {
      min-height: 116px;
      resize: vertical;
    }

    .site-wrap {
      min-height: 100vh;
    }

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

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

    .section-tight {
      padding: 54px 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 24px;
      margin-bottom: 30px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--primary-dark);
      background: rgba(255,255,255,.76);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 12px;
      box-shadow: 0 6px 16px rgba(23, 105, 255, .06);
    }

    .section-kicker::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 0 0 5px rgba(23, 105, 255, .10);
    }

    .section-title {
      margin: 0;
      color: var(--ink);
      font-size: clamp(28px, 3.2vw, 44px);
      line-height: 1.18;
      letter-spacing: -.02em;
      font-weight: 900;
    }

    .section-desc {
      margin: 12px 0 0;
      color: var(--muted);
      max-width: 720px;
      font-size: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 800;
      line-height: 1;
      border: 1px solid transparent;
      white-space: nowrap;
      user-select: none;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
    }

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

    .btn:focus {
      outline: none;
      box-shadow: var(--focus);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #0d55d8);
      box-shadow: 0 16px 30px rgba(23, 105, 255, .26);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      box-shadow: 0 20px 38px rgba(23, 105, 255, .34);
    }

    .btn-secondary {
      color: var(--primary-dark);
      background: #fff;
      border-color: rgba(23,105,255,.20);
      box-shadow: 0 12px 24px rgba(16,32,51,.07);
    }

    .btn-secondary:hover {
      background: var(--primary-soft);
      border-color: rgba(23,105,255,.34);
    }

    .btn-ghost {
      color: var(--ink);
      background: rgba(255,255,255,.14);
      border-color: rgba(255,255,255,.34);
      backdrop-filter: blur(12px);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      color: #fff;
      background: rgba(255,255,255,.20);
      border-color: rgba(255,255,255,.58);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 11px;
      border-radius: 999px;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .02em;
    }

    .badge.light {
      color: #eaf5ff;
      background: rgba(255,255,255,.15);
      border: 1px solid rgba(255,255,255,.22);
    }

    .card {
      border-radius: var(--radius);
      background: rgba(255,255,255,.88);
      border: 1px solid rgba(220,230,245,.86);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(23, 105, 255, .22);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      background: rgba(255,255,255,.86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(220,230,245,.72);
      box-shadow: 0 10px 32px rgba(16,32,51,.05);
    }

    .nav-shell {
      min-height: var(--nav-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

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

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.22), transparent),
        linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 14px 28px rgba(23,105,255,.25);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      inset: 11px 10px;
      border-radius: 6px;
      border: 2px solid rgba(255,255,255,.88);
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      left: 18px;
      top: 15px;
      border-left: 8px solid #fff;
      border-top: 5px solid transparent;
      border-bottom: 5px solid transparent;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.12;
    }

    .brand-title {
      font-size: 18px;
      color: var(--ink);
      max-width: 260px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .brand-sub {
      margin-top: 3px;
      font-size: 12px;
      color: var(--muted);
      font-weight: 700;
      letter-spacing: .06em;
    }

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

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 9px 15px;
      border-radius: 999px;
      color: var(--text);
      font-weight: 800;
      font-size: 14px;
    }

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

    .nav-link.active {
      color: var(--primary-dark);
      background: #fff;
      box-shadow: inset 0 0 0 1px rgba(23,105,255,.16), 0 8px 18px rgba(23,105,255,.08);
    }

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

    .search-pill {
      width: 210px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 9px 13px;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
      box-shadow: 0 8px 20px rgba(16,32,51,.04);
    }

    .search-pill span:first-child {
      color: var(--primary);
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      align-items: center;
      justify-content: center;
    }

    .mobile-toggle span,
    .mobile-toggle span::before,
    .mobile-toggle span::after {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--ink);
      border-radius: 99px;
      transition: transform .22s ease, opacity .22s ease;
      position: relative;
    }

    .mobile-toggle span::before,
    .mobile-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .mobile-toggle span::before {
      top: -6px;
    }

    .mobile-toggle span::after {
      top: 6px;
    }

    .menu-open .mobile-toggle span {
      background: transparent;
    }

    .menu-open .mobile-toggle span::before {
      top: 0;
      transform: rotate(45deg);
    }

    .menu-open .mobile-toggle span::after {
      top: 0;
      transform: rotate(-45deg);
    }

    .hero {
      padding: 28px 0 76px;
    }

    .hero-stage {
      min-height: 640px;
      border-radius: 36px;
      overflow: hidden;
      position: relative;
      color: #fff;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255,255,255,.22);
      background:
        linear-gradient(180deg, rgba(9,30,66,.18), rgba(9,30,66,.72)),
        radial-gradient(circle at 78% 18%, rgba(18,181,203,.55), transparent 24%),
        radial-gradient(circle at 20% 15%, rgba(255,184,77,.34), transparent 26%),
        linear-gradient(135deg, #0b2d6b 0%, #145dd8 48%, #071a3f 100%);
      isolation: isolate;
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      opacity: .23;
      background-image:
        linear-gradient(90deg, rgba(255,255,255,.18) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.16) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.7), transparent 76%);
      z-index: -1;
    }

    .hero-stage::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: -90px;
      width: 760px;
      height: 260px;
      transform: translateX(-50%);
      background:
        radial-gradient(ellipse at center, rgba(255,255,255,.30), transparent 58%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.12) 0 22px, transparent 22px 44px);
      filter: blur(.2px);
      border-radius: 50% 50% 0 0;
      z-index: -1;
    }

    .hero-content {
      position: relative;
      min-height: 640px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 34px;
    }

    .series-bar {
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      scrollbar-width: none;
      padding: 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.14);
      border: 1px solid rgba(255,255,255,.23);
      backdrop-filter: blur(18px);
      width: max-content;
      max-width: 100%;
    }

    .series-bar::-webkit-scrollbar {
      display: none;
    }

    .series-link {
      flex: 0 0 auto;
      padding: 9px 14px;
      border-radius: 999px;
      color: #eaf4ff;
      font-weight: 800;
      font-size: 13px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.10);
    }

    .series-link:hover,
    .series-link.active {
      color: #0b2d6b;
      background: #fff;
      border-color: #fff;
    }

    .hero-main {
      max-width: 870px;
      padding: 62px 0 30px;
    }

    .hero-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 13px;
      margin-bottom: 18px;
      border-radius: 999px;
      background: rgba(255,255,255,.13);
      border: 1px solid rgba(255,255,255,.24);
      backdrop-filter: blur(14px);
      color: #f4f9ff;
      font-weight: 900;
    }

    .hero-brand i {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(255,184,77,.16);
      display: inline-block;
    }

    .hero h1 {
      margin: 0;
      color: #fff;
      font-size: clamp(38px, 6vw, 76px);
      line-height: 1.03;
      letter-spacing: -.055em;
      font-weight: 950;
      text-wrap: balance;
      text-shadow: 0 18px 45px rgba(0,0,0,.25);
    }

    .hero-lead {
      margin: 22px 0 0;
      max-width: 760px;
      color: rgba(244,249,255,.90);
      font-size: clamp(17px, 2vw, 21px);
      line-height: 1.75;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 13px;
      margin-top: 30px;
      align-items: center;
    }

    .hero-proof {
      margin-top: 26px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 760px;
    }

    .proof-tile {
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.20);
      backdrop-filter: blur(14px);
    }

    .proof-value {
      display: block;
      color: #fff;
      font-size: 22px;
      line-height: 1;
      font-weight: 950;
    }

    .proof-label {
      display: block;
      margin-top: 7px;
      color: rgba(244,249,255,.78);
      font-size: 13px;
      font-weight: 700;
    }

    .hero-bottom {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items: end;
    }

    .hero-note {
      padding: 18px;
      border-radius: 22px;
      background: rgba(255,255,255,.13);
      border: 1px solid rgba(255,255,255,.22);
      backdrop-filter: blur(14px);
      color: rgba(255,255,255,.88);
      font-weight: 700;
    }

    .hero-note strong {
      color: #fff;
      display: block;
      margin-bottom: 4px;
      font-size: 16px;
    }

    .mini-rank {
      border-radius: 24px;
      background: rgba(255,255,255,.92);
      color: var(--ink);
      padding: 18px;
      box-shadow: 0 18px 40px rgba(0,0,0,.18);
    }

    .mini-rank-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
      gap: 14px;
    }

    .mini-rank-title {
      font-weight: 950;
      color: var(--ink);
    }

    .rank-row {
      display: grid;
      grid-template-columns: 28px 1fr auto;
      gap: 10px;
      align-items: center;
      padding: 10px 0;
      border-top: 1px solid #edf2fa;
      font-size: 14px;
    }

    .rank-no {
      width: 24px;
      height: 24px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: var(--primary);
      font-size: 12px;
      font-weight: 900;
    }

    .rank-row small {
      color: var(--muted);
      font-weight: 800;
    }

    .commission {
      margin-top: -38px;
      z-index: 2;
    }

    .commission-panel {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 18px;
      align-items: stretch;
    }

    .commission-summary {
      padding: 30px;
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(220,230,245,.88);
      position: relative;
      overflow: hidden;
    }

    .commission-summary::after {
      content: "";
      position: absolute;
      right: -50px;
      top: -50px;
      width: 180px;
      height: 180px;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(23,105,255,.13), transparent 65%);
    }

    .commission-summary h2 {
      margin: 0 0 12px;
      color: var(--ink);
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.18;
      font-weight: 950;
    }

    .commission-summary p {
      margin: 0;
      color: var(--muted);
    }

    .highlight-list {
      margin: 24px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .highlight-list li {
      display: flex;
      gap: 11px;
      align-items: flex-start;
      padding: 13px;
      border-radius: 16px;
      background: var(--light);
      border: 1px solid rgba(220,230,245,.72);
      color: var(--text);
      font-weight: 700;
    }

    .check {
      width: 22px;
      height: 22px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: linear-gradient(135deg, var(--secondary), var(--primary));
      flex: 0 0 auto;
      font-size: 13px;
      font-weight: 900;
    }

    .commission-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 18px;
    }

    .commission-card {
      padding: 24px;
    }

    .commission-card .num {
      width: 44px;
      height: 44px;
      border-radius: 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-weight: 950;
      margin-bottom: 16px;
    }

    .commission-card h3 {
      margin: 0 0 8px;
      color: var(--ink);
      font-size: 20px;
      font-weight: 950;
    }

    .commission-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .material-wrap {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 22px;
      align-items: stretch;
    }

    .material-board {
      padding: 22px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.80)),
        linear-gradient(135deg, rgba(23,105,255,.08), rgba(18,181,203,.08));
      border: 1px solid rgba(220,230,245,.86);
      box-shadow: var(--shadow-md);
    }

    .material-row {
      display: grid;
      grid-template-columns: 110px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 16px;
      border-radius: 18px;
      background: #fff;
      border: 1px solid rgba(220,230,245,.82);
      margin-bottom: 14px;
      transition: transform .22s ease, box-shadow .22s ease;
    }

    .material-row:hover {
      transform: translateX(4px);
      box-shadow: var(--shadow-sm);
    }

    .material-row:last-child {
      margin-bottom: 0;
    }

    .material-type {
      font-weight: 950;
      color: var(--primary-dark);
      padding: 8px 10px;
      border-radius: 12px;
      text-align: center;
      background: var(--primary-soft);
    }

    .material-row h3 {
      margin: 0 0 4px;
      font-size: 18px;
      color: var(--ink);
      font-weight: 950;
    }

    .material-row p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .material-side {
      padding: 28px;
      border-radius: var(--radius-lg);
      color: #fff;
      background:
        radial-gradient(circle at 80% 20%, rgba(255,184,77,.30), transparent 34%),
        linear-gradient(145deg, #102f68, #1769ff);
      box-shadow: var(--shadow-md);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 360px;
      overflow: hidden;
      position: relative;
    }

    .material-side::after {
      content: "";
      position: absolute;
      right: -70px;
      bottom: -70px;
      width: 220px;
      height: 220px;
      border-radius: 999px;
      background: rgba(255,255,255,.12);
    }

    .material-side h3 {
      position: relative;
      margin: 18px 0 10px;
      color: #fff;
      font-size: 30px;
      line-height: 1.2;
      font-weight: 950;
    }

    .material-side p {
      position: relative;
      color: rgba(255,255,255,.82);
      margin: 0;
    }

    .material-metrics {
      position: relative;
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
      margin-top: 26px;
    }

    .metric {
      padding: 14px;
      border-radius: 16px;
      background: rgba(255,255,255,.14);
      border: 1px solid rgba(255,255,255,.18);
    }

    .metric strong {
      display: block;
      color: #fff;
      font-size: 24px;
      line-height: 1;
      font-weight: 950;
    }

    .metric span {
      display: block;
      margin-top: 6px;
      color: rgba(255,255,255,.74);
      font-size: 13px;
      font-weight: 700;
    }

    .info-section {
      background:
        linear-gradient(180deg, rgba(234,242,255,.72), rgba(255,255,255,.92));
      border-top: 1px solid rgba(220,230,245,.72);
      border-bottom: 1px solid rgba(220,230,245,.72);
    }

    .info-layout {
      display: grid;
      grid-template-columns: 1fr 360px;
      gap: 22px;
      align-items: start;
    }

    .news-list {
      padding: 8px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(220,230,245,.86);
      box-shadow: var(--shadow-sm);
    }

    .news-item {
      display: grid;
      grid-template-columns: 104px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border-radius: 20px;
      border-bottom: 1px solid #edf2fa;
      transition: background .22s ease, transform .22s ease;
    }

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

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

    .news-date {
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 950;
      background: var(--primary-soft);
      border-radius: 14px;
      padding: 9px 10px;
      text-align: center;
    }

    .news-item h3 {
      margin: 0;
      color: var(--ink);
      font-size: 18px;
      font-weight: 950;
    }

    .news-item p {
      margin: 5px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .arrow {
      width: 34px;
      height: 34px;
      border-radius: 999px;
      background: #fff;
      color: var(--primary);
      border: 1px solid rgba(23,105,255,.15);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 950;
    }

    .recommend-card {
      position: sticky;
      top: 98px;
      padding: 24px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid rgba(220,230,245,.86);
      box-shadow: var(--shadow-md);
    }

    .recommend-card h3 {
      margin: 0 0 12px;
      color: var(--ink);
      font-size: 24px;
      font-weight: 950;
    }

    .recommend-card p {
      margin: 0 0 18px;
      color: var(--muted);
    }

    .recommend-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .recommend-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 13px;
      border-radius: 14px;
      background: var(--light);
      color: var(--text);
      font-weight: 800;
      border: 1px solid transparent;
    }

    .recommend-list a:hover {
      color: var(--primary-dark);
      border-color: rgba(23,105,255,.20);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .steps-timeline {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 18px;
      counter-reset: step;
    }

    .step-card {
      padding: 26px;
      position: relative;
    }

    .step-card::before {
      counter-increment: step;
      content: "0" counter(step);
      display: inline-flex;
      width: 48px;
      height: 48px;
      align-items: center;
      justify-content: center;
      border-radius: 16px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      font-weight: 950;
      box-shadow: 0 14px 26px rgba(23,105,255,.20);
      margin-bottom: 22px;
    }

    .step-card h3 {
      margin: 0 0 8px;
      color: var(--ink);
      font-size: 21px;
      font-weight: 950;
    }

    .step-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .hot-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .hot-card {
      padding: 22px;
      display: grid;
      grid-template-columns: 52px 1fr auto;
      gap: 16px;
      align-items: center;
    }

    .hot-no {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--ink);
      color: #fff;
      font-size: 20px;
      font-weight: 950;
      box-shadow: 0 12px 24px rgba(16,32,51,.14);
    }

    .hot-card:nth-child(1) .hot-no,
    .hot-card:nth-child(2) .hot-no {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
    }

    .hot-card h3 {
      margin: 0 0 4px;
      color: var(--ink);
      font-size: 19px;
      font-weight: 950;
    }

    .hot-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .mini-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 36px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-size: 13px;
      font-weight: 900;
      border: 1px solid rgba(23,105,255,.12);
      white-space: nowrap;
    }

    .mini-btn:hover {
      color: #fff;
      background: var(--primary);
      border-color: var(--primary);
    }

    .topic-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      padding: 26px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid rgba(220,230,245,.86);
      box-shadow: var(--shadow-sm);
    }

    .topic-tag {
      padding: 11px 15px;
      border-radius: 999px;
      background: var(--light);
      border: 1px solid rgba(220,230,245,.88);
      color: var(--text);
      font-weight: 800;
      transition: transform .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
    }

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

    .case-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 18px;
    }

    .case-card {
      padding: 24px;
    }

    .case-card h3 {
      margin: 18px 0 8px;
      color: var(--ink);
      font-size: 21px;
      font-weight: 950;
    }

    .case-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .case-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .case-icon {
      width: 48px;
      height: 48px;
      border-radius: 16px;
      background: linear-gradient(135deg, var(--primary-soft), #fff);
      border: 1px solid rgba(23,105,255,.12);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 950;
      font-size: 20px;
    }

    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 18px;
      align-items: stretch;
    }

    .price-card {
      padding: 26px;
      position: relative;
    }

    .price-card.featured {
      border-color: rgba(23,105,255,.30);
      box-shadow: var(--shadow-lg);
      transform: translateY(-8px);
    }

    .price-card.featured:hover {
      transform: translateY(-12px);
    }

    .price-card h3 {
      margin: 0 0 8px;
      color: var(--ink);
      font-size: 22px;
      font-weight: 950;
    }

    .price-note {
      min-height: 52px;
      color: var(--muted);
      margin: 0 0 18px;
      font-size: 15px;
    }

    .price-main {
      display: flex;
      align-items: end;
      gap: 8px;
      margin-bottom: 18px;
      color: var(--ink);
    }

    .price-main strong {
      font-size: 30px;
      line-height: 1;
      font-weight: 950;
      color: var(--primary-dark);
    }

    .price-main span {
      color: var(--muted);
      font-weight: 800;
      font-size: 13px;
    }

    .price-list {
      margin: 0 0 22px;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .price-list li {
      display: flex;
      gap: 9px;
      align-items: flex-start;
      color: var(--text);
      font-weight: 700;
      font-size: 14px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 24px;
      align-items: start;
    }

    .faq-aside {
      padding: 28px;
      border-radius: var(--radius-lg);
      background: linear-gradient(145deg, #fff, var(--primary-soft));
      border: 1px solid rgba(220,230,245,.86);
      box-shadow: var(--shadow-sm);
    }

    .faq-aside h2 {
      margin: 0 0 10px;
      color: var(--ink);
      font-size: 32px;
      line-height: 1.2;
      font-weight: 950;
    }

    .faq-aside p {
      margin: 0;
      color: var(--muted);
    }

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

    .faq-item {
      border-radius: 18px;
      background: #fff;
      border: 1px solid rgba(220,230,245,.86);
      box-shadow: 0 10px 24px rgba(16,32,51,.05);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: center;
      padding: 18px 20px;
      color: var(--ink);
      font-weight: 950;
      text-align: left;
    }

    .faq-question:focus {
      outline: none;
      box-shadow: inset var(--focus);
    }

    .faq-question span:last-child {
      width: 28px;
      height: 28px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary-soft);
      color: var(--primary);
      flex: 0 0 auto;
      transition: transform .22s ease;
    }

    .faq-item.active .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px;
      color: var(--muted);
    }

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

    .join {
      padding-bottom: 96px;
    }

    .join-panel {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 24px;
      align-items: stretch;
      padding: 28px;
      border-radius: 34px;
      background:
        radial-gradient(circle at 10% 20%, rgba(255,184,77,.16), transparent 24%),
        radial-gradient(circle at 88% 12%, rgba(18,181,203,.17), transparent 30%),
        linear-gradient(135deg, #0e3478, #1769ff 55%, #092352);
      box-shadow: var(--shadow-lg);
      color: #fff;
      overflow: hidden;
      position: relative;
    }

    .join-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
      background-size: 52px 52px;
      opacity: .26;
    }

    .join-copy,
    .join-form {
      position: relative;
      z-index: 1;
    }

    .join-copy {
      padding: 24px 12px 24px 8px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .join-copy h2 {
      margin: 16px 0 14px;
      color: #fff;
      font-size: clamp(30px, 4vw, 52px);
      line-height: 1.1;
      letter-spacing: -.035em;
      font-weight: 950;
    }

    .join-copy p {
      margin: 0;
      color: rgba(255,255,255,.84);
      font-size: 17px;
    }

    .join-points {
      margin: 26px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
    }

    .join-points li {
      padding: 13px;
      border-radius: 16px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.16);
      color: rgba(255,255,255,.90);
      font-weight: 800;
    }

    .join-form {
      padding: 24px;
      border-radius: 26px;
      background: rgba(255,255,255,.96);
      color: var(--text);
      box-shadow: 0 24px 60px rgba(0,0,0,.20);
    }

    .join-form h3 {
      margin: 0 0 6px;
      color: var(--ink);
      font-size: 24px;
      font-weight: 950;
    }

    .join-form p {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 14px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 13px;
    }

    .form-grid .full {
      grid-column: 1 / -1;
    }

    .form-tip {
      margin-top: 12px;
      color: var(--muted);
      font-size: 13px;
    }

    .site-footer {
      background: #071a3f;
      color: rgba(255,255,255,.76);
      padding: 54px 0 34px;
    }

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

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-size: 20px;
      font-weight: 950;
      margin-bottom: 14px;
    }

    .footer-text {
      max-width: 520px;
      margin: 0;
      color: rgba(255,255,255,.68);
    }

    .footer-col h3 {
      margin: 0 0 14px;
      color: #fff;
      font-size: 16px;
      font-weight: 950;
    }

    .footer-links {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: rgba(255,255,255,.70);
      font-weight: 700;
    }

    .footer-links a:hover {
      color: #fff;
    }

    .footer-bottom {
      margin-top: 36px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.12);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      flex-wrap: wrap;
      color: rgba(255,255,255,.58);
      font-size: 14px;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 16px;
      transform: translateX(-50%);
      z-index: 90;
      width: min(calc(100% - 28px), 960px);
      padding: 10px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.92);
      border: 1px solid rgba(220,230,245,.92);
      box-shadow: 0 18px 50px rgba(16,32,51,.18);
      backdrop-filter: blur(18px);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 14px;
    }

    .floating-cta strong {
      color: var(--ink);
      font-weight: 950;
      margin-right: 8px;
    }

    .floating-cta span {
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .floating-cta .btn {
      min-height: 40px;
      padding: 10px 16px;
    }

    @media (max-width: 1024px) {
      :root {
        --nav-height: 68px;
      }

      .search-pill {
        display: none;
      }

      .hero-stage,
      .hero-content {
        min-height: 600px;
      }

      .hero-bottom,
      .commission-panel,
      .material-wrap,
      .info-layout,
      .faq-grid,
      .join-panel {
        grid-template-columns: 1fr;
      }

      .recommend-card {
        position: static;
      }

      .price-grid,
      .case-grid {
        grid-template-columns: 1fr 1fr;
      }

      .price-card.featured {
        transform: none;
      }

      .price-card.featured:hover {
        transform: translateY(-4px);
      }
    }

    @media (max-width: 768px) {
      body {
        padding-bottom: 90px;
      }

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

      .section {
        padding: 58px 0;
      }

      .section-head {
        display: block;
      }

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

      .main-nav {
        position: fixed;
        left: 14px;
        right: 14px;
        top: 78px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 22px;
        background: rgba(255,255,255,.96);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
      }

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

      .nav-link {
        justify-content: center;
        min-height: 48px;
      }

      .nav-actions .btn-secondary {
        display: none;
      }

      .brand-title {
        max-width: 190px;
      }

      .brand-sub {
        display: none;
      }

      .hero {
        padding-top: 18px;
      }

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

      .hero-content {
        padding: 20px;
      }

      .hero-main {
        padding-top: 42px;
      }

      .hero-proof,
      .steps-timeline,
      .commission-grid,
      .hot-list,
      .price-grid,
      .case-grid {
        grid-template-columns: 1fr;
      }

      .material-row,
      .news-item,
      .hot-card {
        grid-template-columns: 1fr;
        align-items: start;
      }

      .material-row .mini-btn,
      .news-item .arrow,
      .hot-card .mini-btn {
        width: max-content;
      }

      .join-points,
      .form-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .floating-cta {
        border-radius: 22px;
        align-items: stretch;
        flex-direction: column;
        text-align: center;
      }

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

    @media (max-width: 520px) {
      .nav-shell {
        gap: 10px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .brand-title {
        max-width: 150px;
        font-size: 15px;
      }

      .nav-actions .btn-primary {
        padding: 10px 12px;
        font-size: 13px;
      }

      .hero-stage,
      .hero-content {
        min-height: 660px;
      }

      .hero h1 {
        font-size: 36px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .series-bar {
        border-radius: 20px;
      }

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

      .commission-summary,
      .material-side,
      .join-panel,
      .join-form {
        padding: 20px;
      }

      .section-title {
        font-size: 27px;
      }

      .footer-bottom {
        display: block;
      }

      .footer-bottom span {
        display: block;
        margin-top: 8px;
      }
    }