/* roulang page: index */
:root {
      --primary: #6d5dfc;
      --primary-dark: #3d32c9;
      --primary-soft: #efeefe;
      --secondary: #0fce9e;
      --accent: #ffb84d;
      --ink: #151629;
      --text: #313247;
      --muted: #72758c;
      --weak: #a7abba;
      --line: rgba(35, 37, 61, .12);
      --card: rgba(255, 255, 255, .9);
      --white: #ffffff;
      --bg: #f7f5ef;
      --bg-2: #fffaf0;
      --dark: #16172a;
      --shadow-sm: 0 10px 30px rgba(23, 24, 45, .08);
      --shadow-md: 0 18px 50px rgba(35, 37, 61, .14);
      --shadow-lg: 0 30px 80px rgba(34, 32, 80, .22);
      --radius-sm: 14px;
      --radius: 22px;
      --radius-lg: 32px;
      --radius-xl: 42px;
      --container: 1160px;
      --nav-height: 78px;
      --ease: all .25s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 10% 4%, rgba(109, 93, 252, .16), transparent 28%),
        radial-gradient(circle at 88% 12%, rgba(15, 206, 158, .14), transparent 30%),
        linear-gradient(180deg, #fbf8f1 0%, #f6f4ef 55%, #ffffff 100%);
      line-height: 1.7;
      min-width: 320px;
      overflow-x: hidden;
    }

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

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

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

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

    input,
    textarea,
    select {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: rgba(255, 255, 255, .9);
      color: var(--ink);
      padding: 14px 16px;
      outline: none;
      transition: var(--ease);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .65);
    }

    input:focus,
    textarea:focus,
    select:focus {
      border-color: rgba(109, 93, 252, .62);
      box-shadow: 0 0 0 4px rgba(109, 93, 252, .12);
      background: #fff;
    }

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

    ::selection {
      background: rgba(109, 93, 252, .22);
      color: var(--ink);
    }

    .container-custom {
      width: min(100% - 32px, var(--container));
      margin: 0 auto;
    }

    .section {
      padding: 88px 0;
      position: relative;
    }

    .section-tight {
      padding: 68px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary-dark);
      background: rgba(109, 93, 252, .1);
      border: 1px solid rgba(109, 93, 252, .16);
      border-radius: 999px;
      padding: 7px 12px;
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 15px;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.18;
      letter-spacing: -0.04em;
      color: var(--ink);
      margin: 0 0 16px;
      font-weight: 900;
    }

    .section-desc {
      color: var(--muted);
      font-size: 17px;
      margin: 0;
      max-width: 760px;
    }

    .split-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 34px;
    }

    .split-head .section-desc {
      max-width: 520px;
    }

    .site-header {
      position: fixed;
      inset: 14px 0 auto 0;
      z-index: 1030;
      transition: var(--ease);
      pointer-events: none;
    }

    .site-header .navbar {
      pointer-events: auto;
      min-height: var(--nav-height);
      border: 1px solid rgba(255, 255, 255, .58);
      border-radius: 24px;
      background: rgba(255, 255, 255, .42);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      box-shadow: 0 20px 45px rgba(33, 35, 65, .11);
      padding: 10px 14px;
      transition: var(--ease);
    }

    .site-header.scrolled {
      inset-top: 8px;
    }

    .site-header.scrolled .navbar {
      background: rgba(255, 255, 255, .94);
      border-color: rgba(35, 37, 61, .1);
      box-shadow: 0 16px 44px rgba(33, 35, 65, .13);
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--ink) !important;
      font-weight: 900;
      letter-spacing: -0.03em;
      max-width: 360px;
      white-space: normal;
      line-height: 1.15;
    }

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

    .navbar-nav {
      align-items: center;
      gap: 8px;
    }

    .navbar .nav-link {
      color: rgba(21, 22, 41, .72);
      font-weight: 700;
      border-radius: 999px;
      padding: 10px 16px !important;
    }

    .navbar .nav-link:hover,
    .navbar .nav-link:focus {
      color: var(--primary-dark);
      background: rgba(109, 93, 252, .09);
    }

    .navbar .nav-link.active {
      color: #fff !important;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 10px 24px rgba(109, 93, 252, .24);
    }

    .nav-search {
      display: flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .62);
      border: 1px solid rgba(35, 37, 61, .1);
      border-radius: 999px;
      padding: 8px 12px;
      color: var(--muted);
      min-width: 210px;
      margin-left: 8px;
    }

    .nav-search span {
      font-size: 13px;
      white-space: nowrap;
    }

    .navbar-toggler {
      border: 0;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      background: rgba(109, 93, 252, .1);
      color: var(--primary-dark);
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 4px rgba(109, 93, 252, .16);
    }

    .btn-brand {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border: 0;
      border-radius: 999px;
      padding: 13px 20px;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: #fff;
      font-weight: 800;
      box-shadow: 0 16px 34px rgba(109, 93, 252, .28);
      transition: var(--ease);
      cursor: pointer;
    }

    .btn-brand:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 22px 46px rgba(109, 93, 252, .34);
    }

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

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border: 1px solid rgba(35, 37, 61, .12);
      border-radius: 999px;
      padding: 12px 19px;
      background: rgba(255, 255, 255, .74);
      color: var(--ink);
      font-weight: 800;
      box-shadow: var(--shadow-sm);
      transition: var(--ease);
    }

    .btn-ghost:hover {
      color: var(--primary-dark);
      transform: translateY(-2px);
      border-color: rgba(109, 93, 252, .28);
      box-shadow: var(--shadow-md);
    }

    .btn-mini {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 7px;
      border-radius: 999px;
      padding: 9px 13px;
      background: rgba(109, 93, 252, .1);
      color: var(--primary-dark);
      font-size: 14px;
      font-weight: 800;
    }

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

    .hero {
      min-height: 100vh;
      padding: 132px 0 76px;
      display: flex;
      align-items: center;
      position: relative;
      isolation: isolate;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(115deg, rgba(22, 23, 42, .72), rgba(22, 23, 42, .16) 44%, rgba(255, 250, 240, .1)),
        radial-gradient(circle at 75% 32%, rgba(255, 184, 77, .34), transparent 28%),
        radial-gradient(circle at 22% 36%, rgba(109, 93, 252, .34), transparent 34%);
      z-index: -2;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.07) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 92%);
      z-index: -1;
      opacity: .55;
    }

    .hero-board {
      background: rgba(255, 255, 255, .75);
      border: 1px solid rgba(255, 255, 255, .66);
      border-radius: var(--radius-xl);
      padding: clamp(22px, 4vw, 42px);
      box-shadow: var(--shadow-lg);
      backdrop-filter: blur(22px);
      -webkit-backdrop-filter: blur(22px);
      overflow: hidden;
      position: relative;
    }

    .hero-board::before {
      content: "";
      position: absolute;
      width: 320px;
      height: 320px;
      right: -90px;
      top: -110px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(15, 206, 158, .28), transparent 70%);
      pointer-events: none;
    }

    .hero-top {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 28px;
      align-items: stretch;
      position: relative;
      z-index: 1;
    }

    .hero-copy {
      padding: 12px 0 0;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: #fff;
      background: rgba(22, 23, 42, .82);
      border: 1px solid rgba(255, 255, 255, .2);
      box-shadow: 0 14px 34px rgba(22, 23, 42, .18);
      border-radius: 999px;
      padding: 8px 13px;
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 18px;
    }

    h1 {
      color: var(--ink);
      font-size: clamp(36px, 6vw, 70px);
      line-height: .98;
      letter-spacing: -0.065em;
      font-weight: 950;
      margin: 0 0 20px;
    }

    .hero-lead {
      font-size: clamp(17px, 2vw, 20px);
      color: rgba(49, 50, 71, .84);
      max-width: 680px;
      margin: 0 0 24px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 26px 0 22px;
    }

    .hero-metrics {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .metric-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 16px;
      padding: 10px 12px;
      background: rgba(255, 255, 255, .68);
      border: 1px solid rgba(35, 37, 61, .09);
      color: var(--muted);
      font-weight: 700;
    }

    .metric-pill strong {
      color: var(--ink);
      font-weight: 900;
    }

    .plan-stage {
      display: grid;
      grid-template-columns: 1fr;
      gap: 14px;
    }

    .plan-card {
      position: relative;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 14px;
      min-height: 104px;
      padding: 18px;
      border-radius: 26px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(35, 37, 61, .09);
      box-shadow: 0 14px 32px rgba(35, 37, 61, .08);
      transition: var(--ease);
    }

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

    .plan-card.recommended {
      background:
        linear-gradient(135deg, rgba(109, 93, 252, .96), rgba(61, 50, 201, .94)),
        radial-gradient(circle at 80% 18%, rgba(255, 184, 77, .44), transparent 34%);
      color: #fff;
      min-height: 132px;
      box-shadow: 0 30px 60px rgba(61, 50, 201, .28);
      transform: scale(1.02);
      border-color: rgba(255, 255, 255, .35);
      order: -1;
    }

    .plan-icon {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      background: rgba(109, 93, 252, .12);
      color: var(--primary-dark);
      font-size: 20px;
    }

    .recommended .plan-icon {
      background: rgba(255, 255, 255, .18);
      color: #fff;
    }

    .plan-card h2,
    .plan-card h3 {
      margin: 0 0 5px;
      font-size: 18px;
      color: var(--ink);
      font-weight: 900;
    }

    .recommended h2 {
      color: #fff;
      font-size: 22px;
    }

    .plan-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .recommended p {
      color: rgba(255, 255, 255, .84);
    }

    .plan-tag {
      white-space: nowrap;
      font-weight: 900;
      font-size: 13px;
      border-radius: 999px;
      padding: 7px 10px;
      color: var(--primary-dark);
      background: rgba(109, 93, 252, .1);
    }

    .recommended .plan-tag {
      color: #241a68;
      background: #fff;
    }

    .service-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 18px;
    }

    .feature-card,
    .time-card,
    .info-panel,
    .proof-card,
    .faq-item,
    .form-shell,
    .reward-card {
      border: 1px solid rgba(35, 37, 61, .1);
      background: var(--card);
      box-shadow: var(--shadow-sm);
      border-radius: var(--radius);
      transition: var(--ease);
    }

    .feature-card {
      padding: 24px;
      min-height: 220px;
      position: relative;
      overflow: hidden;
    }

    .feature-card:hover,
    .time-card:hover,
    .proof-card:hover,
    .reward-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(109, 93, 252, .22);
    }

    .feature-card.large {
      grid-row: span 2;
      background:
        linear-gradient(135deg, rgba(22, 23, 42, .96), rgba(44, 43, 78, .94)),
        radial-gradient(circle at 85% 18%, rgba(15, 206, 158, .32), transparent 35%);
      color: #fff;
      min-height: 458px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .feature-icon {
      width: 50px;
      height: 50px;
      border-radius: 17px;
      display: grid;
      place-items: center;
      background: rgba(109, 93, 252, .1);
      color: var(--primary-dark);
      font-size: 20px;
      margin-bottom: 18px;
    }

    .large .feature-icon {
      background: rgba(255, 255, 255, .13);
      color: #fff;
    }

    .feature-card h3 {
      color: var(--ink);
      font-size: 22px;
      margin: 0 0 10px;
      font-weight: 900;
      letter-spacing: -0.02em;
    }

    .feature-card.large h3 {
      color: #fff;
      font-size: 32px;
    }

    .feature-card p {
      color: var(--muted);
      margin: 0;
    }

    .feature-card.large p {
      color: rgba(255,255,255,.78);
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 22px 0 0;
      display: grid;
      gap: 12px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: rgba(255,255,255,.86);
    }

    .check-list i {
      color: var(--secondary);
      margin-top: 5px;
    }

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

    .time-card {
      padding: 22px;
      position: relative;
      overflow: hidden;
      min-height: 230px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.76));
    }

    .time-card::after {
      content: "";
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 0;
      height: 5px;
      border-radius: 999px 999px 0 0;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      opacity: .8;
    }

    .time-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary-dark);
      background: rgba(109, 93, 252, .1);
      border-radius: 999px;
      padding: 6px 10px;
      font-weight: 900;
      font-size: 13px;
      margin-bottom: 18px;
    }

    .time-card h3 {
      font-size: 22px;
      color: var(--ink);
      margin: 0 0 10px;
      font-weight: 900;
    }

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

    .time-card .mini-note {
      color: var(--ink);
      font-weight: 800;
      font-size: 14px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.35fr .65fr;
      gap: 22px;
      align-items: start;
    }

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

    .news-item {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 18px;
      border-radius: 20px;
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(35, 37, 61, .09);
      box-shadow: 0 10px 24px rgba(35, 37, 61, .06);
      transition: var(--ease);
    }

    .news-item:hover {
      transform: translateX(4px);
      border-color: rgba(109, 93, 252, .24);
      box-shadow: var(--shadow-sm);
    }

    .news-index {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-weight: 950;
    }

    .news-item h3 {
      margin: 0 0 4px;
      font-size: 18px;
      font-weight: 900;
      color: var(--ink);
    }

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

    .news-arrow {
      color: var(--weak);
      transition: var(--ease);
    }

    .news-item:hover .news-arrow {
      color: var(--primary);
      transform: translateX(2px);
    }

    .recommend-panel {
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255, 184, 77, .2), rgba(109, 93, 252, .12)),
        rgba(255,255,255,.86);
      border: 1px solid rgba(35, 37, 61, .09);
      box-shadow: var(--shadow-sm);
      padding: 24px;
      position: sticky;
      top: 112px;
    }

    .recommend-panel h3 {
      font-size: 25px;
      margin: 0 0 12px;
      color: var(--ink);
      font-weight: 950;
      letter-spacing: -0.03em;
    }

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

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 18px;
    }

    .tag {
      display: inline-flex;
      border-radius: 999px;
      padding: 7px 10px;
      color: var(--text);
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(35,37,61,.08);
      font-size: 13px;
      font-weight: 800;
    }

    .form-section {
      background:
        linear-gradient(135deg, rgba(22, 23, 42, .98), rgba(30, 29, 61, .96)),
        radial-gradient(circle at 10% 20%, rgba(109,93,252,.38), transparent 34%);
      color: #fff;
      overflow: hidden;
    }

    .form-section .section-title,
    .form-section .section-desc {
      color: #fff;
    }

    .form-section .section-desc {
      color: rgba(255,255,255,.72);
    }

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

    .progress-box {
      border-radius: var(--radius-lg);
      padding: 26px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.13);
      box-shadow: 0 24px 60px rgba(0,0,0,.18);
    }

    .progress-box h3 {
      font-weight: 950;
      margin: 0 0 12px;
      font-size: 26px;
    }

    .progress-box p {
      color: rgba(255,255,255,.72);
      margin: 0 0 18px;
    }

    .progress-line {
      height: 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.14);
      overflow: hidden;
      margin: 18px 0 18px;
    }

    .progress-line span {
      display: block;
      height: 100%;
      width: 68%;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--secondary), var(--accent));
      box-shadow: 0 0 26px rgba(15, 206, 158, .36);
    }

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

    .task-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: rgba(255,255,255,.82);
    }

    .task-list i {
      color: var(--secondary);
      margin-top: 5px;
    }

    .form-shell {
      padding: 26px;
      background: rgba(255,255,255,.94);
      color: var(--text);
      border-radius: var(--radius-lg);
      border-color: rgba(255,255,255,.3);
    }

    .form-shell h3 {
      color: var(--ink);
      font-size: 28px;
      font-weight: 950;
      margin: 0 0 8px;
      letter-spacing: -0.03em;
    }

    .form-shell p {
      color: var(--muted);
      margin: 0 0 20px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .privacy-note {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
      margin-top: 14px;
    }

    .privacy-note i {
      color: var(--secondary);
      margin-top: 5px;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .proof-card {
      padding: 22px;
      min-height: 188px;
    }

    .proof-card i {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      background: rgba(15, 206, 158, .12);
      color: #079b78;
      margin-bottom: 16px;
      font-size: 18px;
    }

    .proof-card h3 {
      color: var(--ink);
      font-size: 19px;
      margin: 0 0 8px;
      font-weight: 900;
    }

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

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

    .reward-intro {
      padding: 28px;
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at 18% 18%, rgba(255, 184, 77, .32), transparent 36%),
        linear-gradient(135deg, rgba(109, 93, 252, .95), rgba(61, 50, 201, .95));
      color: #fff;
      box-shadow: var(--shadow-md);
    }

    .reward-intro h2 {
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.12;
      font-weight: 950;
      letter-spacing: -0.04em;
      margin: 0 0 14px;
    }

    .reward-intro p {
      color: rgba(255,255,255,.78);
      margin: 0 0 20px;
    }

    .reward-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .reward-card {
      padding: 22px;
      background: rgba(255,255,255,.9);
      position: relative;
      overflow: hidden;
    }

    .reward-card::before {
      content: "";
      position: absolute;
      width: 86px;
      height: 86px;
      right: -20px;
      top: -22px;
      border-radius: 50%;
      background: rgba(255, 184, 77, .22);
    }

    .reward-card .gift {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      border-radius: 17px;
      color: #9a5b00;
      background: rgba(255, 184, 77, .22);
      font-size: 20px;
      margin-bottom: 16px;
    }

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

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

    .faq-wrap {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 28px;
      align-items: start;
    }

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

    .faq-item {
      padding: 22px;
    }

    .faq-item h3 {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--ink);
      font-size: 19px;
      font-weight: 950;
      margin: 0 0 9px;
    }

    .faq-item h3 i {
      color: var(--primary);
      margin-top: 5px;
    }

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

    .site-footer {
      padding: 56px 0 28px;
      background: #10111f;
      color: rgba(255,255,255,.72);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: start;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: #fff;
      font-weight: 950;
      font-size: 20px;
      margin-bottom: 14px;
    }

    .footer-brand .brand-mark {
      box-shadow: none;
    }

    .footer-text {
      max-width: 640px;
      margin: 0;
      color: rgba(255,255,255,.68);
    }

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

    .footer-links a {
      border-radius: 999px;
      padding: 9px 13px;
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.04);
      color: rgba(255,255,255,.78);
      font-weight: 700;
    }

    .footer-links a:hover {
      color: #fff;
      background: rgba(109, 93, 252, .28);
      border-color: rgba(109, 93, 252, .46);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 24px;
      font-size: 14px;
      color: rgba(255,255,255,.54);
    }

    .floating-cta {
      position: fixed;
      right: 22px;
      bottom: 22px;
      z-index: 1020;
      display: inline-flex;
      align-items: center;
      gap: 9px;
      border-radius: 999px;
      padding: 13px 18px;
      background: linear-gradient(135deg, var(--secondary), #0aa780);
      color: #fff;
      font-weight: 900;
      box-shadow: 0 18px 44px rgba(15, 206, 158, .32);
      transition: var(--ease);
    }

    .floating-cta:hover {
      color: #fff;
      transform: translateY(-3px);
      box-shadow: 0 24px 54px rgba(15, 206, 158, .38);
    }

    @media (max-width: 1024px) {
      :root {
        --nav-height: 70px;
      }

      .section {
        padding: 74px 0;
      }

      .hero-top,
      .form-grid,
      .reward-zone,
      .faq-wrap,
      .news-layout {
        grid-template-columns: 1fr;
      }

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

      .feature-card.large {
        grid-column: 1 / -1;
        min-height: 340px;
      }

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

      .recommend-panel {
        position: static;
      }

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

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

    @media (max-width: 991px) {
      .site-header {
        inset: 10px 0 auto 0;
      }

      .site-header .navbar {
        border-radius: 22px;
      }

      .navbar-collapse {
        margin-top: 12px;
        padding: 12px;
        border-radius: 20px;
        background: rgba(255,255,255,.72);
        border: 1px solid rgba(35,37,61,.08);
      }

      .navbar-nav {
        align-items: stretch;
      }

      .nav-search {
        width: 100%;
        margin: 10px 0 0;
      }

      .nav-cta {
        width: 100%;
        margin-top: 10px;
      }

      .nav-cta .btn-brand {
        width: 100%;
      }

      .hero {
        padding-top: 116px;
      }
    }

    @media (max-width: 768px) {
      .container-custom {
        width: min(100% - 24px, var(--container));
      }

      .split-head {
        display: block;
      }

      .split-head .section-desc {
        margin-top: 10px;
      }

      .service-grid,
      .time-strip,
      .proof-grid,
      .reward-grid {
        grid-template-columns: 1fr;
      }

      .plan-card,
      .news-item {
        grid-template-columns: auto 1fr;
      }

      .plan-tag,
      .news-arrow {
        grid-column: 2;
        justify-self: start;
      }

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

      .hero-board {
        border-radius: 30px;
      }

      .floating-cta {
        right: 12px;
        bottom: 12px;
        padding: 11px 14px;
        font-size: 14px;
      }
    }

    @media (max-width: 520px) {
      .navbar-brand {
        max-width: 245px;
        font-size: 15px;
      }

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

      .section {
        padding: 60px 0;
      }

      .hero {
        min-height: auto;
        padding: 108px 0 52px;
      }

      h1 {
        font-size: 38px;
      }

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

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

      .metric-pill {
        width: 100%;
      }

      .feature-card,
      .time-card,
      .form-shell,
      .progress-box,
      .reward-intro,
      .reward-card,
      .proof-card,
      .faq-item {
        padding: 20px;
      }

      .copyright {
        display: block;
      }

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

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}