/* roulang page: index */
:root {
      --bg-dark: #0E1318;
      --bg-darker: #080B0E;
      --bg-card: #151C24;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --brand-green: #00E676;
      --brand-green-hover: #00C853;
      --brand-teal: #10B981;
      --brand-orange: #FF6B00;
      --brand-orange-hover: #E05E00;
      --text-main: #FFFFFF;
      --text-muted: #94A3B8;
      --text-dark: #0F172A;
      --text-dark-muted: #475569;
      --border-dark: rgba(255, 255, 255, 0.1);
      --border-light: #E2E8F0;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-green: 0 10px 25px -5px rgba(0, 230, 118, 0.2);
      --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.25);
      --container-max: 1280px;
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: var(--font-family);
      background-color: var(--bg-dark);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      padding-bottom: 70px;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

    button, input, select, textarea {
      font-family: inherit;
      border: none;
      outline: none;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 28px;
      font-size: 1rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.25s ease;
      white-space: nowrap;
      text-align: center;
    }

    .btn-green {
      background-color: var(--brand-green);
      color: #080B0E;
      box-shadow: var(--shadow-green);
    }
    .btn-green:hover {
      background-color: var(--brand-green-hover);
      transform: translateY(-2px);
      box-shadow: 0 14px 28px -5px rgba(0, 230, 118, 0.35);
    }

    .btn-orange {
      background-color: var(--brand-orange);
      color: #FFFFFF;
    }
    .btn-orange:hover {
      background-color: var(--brand-orange-hover);
      transform: translateY(-2px);
    }

    .btn-outline {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.25);
      color: #FFFFFF;
    }
    .btn-outline:hover {
      border-color: var(--brand-green);
      color: var(--brand-green);
      background: rgba(0, 230, 118, 0.05);
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 9999px;
      background: rgba(0, 230, 118, 0.12);
      color: var(--brand-green);
      border: 1px solid rgba(0, 230, 118, 0.3);
    }

    .section-title-wrap {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1.1rem;
      color: var(--text-muted);
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.7;
    }

    /* TOP BAR & NAV */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(14, 19, 24, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-dark);
    }

    .info-bar {
      background: #080B0E;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 0.82rem;
      color: #94A3B8;
      padding: 8px 0;
    }
    .info-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .info-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .info-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--brand-green);
      box-shadow: 0 0 8px var(--brand-green);
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }

    .logo-box {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.4rem;
      font-weight: 900;
      color: #FFFFFF;
      letter-spacing: -0.5px;
    }
    .logo-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--brand-green), #00A854);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #080B0E;
      font-weight: 900;
      font-size: 1.25rem;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-link {
      font-size: 0.96rem;
      color: #CBD5E1;
      font-weight: 600;
      padding: 8px 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--brand-green);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--brand-green);
      transition: width 0.25s ease;
    }
    .nav-link:hover::after {
      width: 100%;
    }

    .nav-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .mobile-menu-btn {
      display: none;
      background: transparent;
      color: #FFFFFF;
      font-size: 1.5rem;
      cursor: pointer;
      width: 48px;
      height: 48px;
      align-items: center;
      justify-content: center;
    }

    /* SECTION 1: HERO COUPON WALL */
    .hero-section {
      position: relative;
      padding: 80px 0 100px;
      background: radial-gradient(circle at 80% 20%, rgba(0, 230, 118, 0.08) 0%, transparent 60%),
                  radial-gradient(circle at 10% 80%, rgba(255, 107, 0, 0.05) 0%, transparent 50%),
                  var(--bg-dark);
      border-bottom: 1px solid var(--border-dark);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-title {
      font-size: 3.2rem;
      font-weight: 900;
      line-height: 1.2;
      margin: 20px 0;
      letter-spacing: -1px;
    }
    .hero-title span {
      color: var(--brand-green);
      background: linear-gradient(90deg, var(--brand-green), #80FFC4);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 36px;
    }
    .hero-btns {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 32px;
    }

    /* 优惠券墙样式 */
    .coupon-wall {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-card);
      position: relative;
    }
    .coupon-wall-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid var(--border-dark);
    }
    .coupon-wall-header h3 {
      font-size: 1.2rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .coupon-wall-header span {
      font-size: 0.85rem;
      color: var(--brand-orange);
      font-weight: 700;
    }
    .big-coupon {
      background: linear-gradient(135deg, #1E2732 0%, #151E28 100%);
      border: 2px dashed rgba(0, 230, 118, 0.4);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      margin-bottom: 16px;
      overflow: hidden;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .big-coupon::before, .big-coupon::after {
      content: '';
      position: absolute;
      width: 22px;
      height: 22px;
      background-color: var(--bg-card);
      border-radius: 50%;
      top: 50%;
      transform: translateY(-50%);
    }
    .big-coupon::before { left: -11px; }
    .big-coupon::after { right: -11px; }
    .coupon-amount {
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .coupon-amount .currency {
      font-size: 1.5rem;
      color: var(--brand-green);
      font-weight: 800;
    }
    .coupon-amount .val {
      font-size: 3.2rem;
      font-weight: 900;
      color: var(--brand-green);
      line-height: 1;
    }
    .coupon-info h4 {
      font-size: 1.1rem;
      margin-bottom: 4px;
    }
    .coupon-info p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .coupon-sub-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .sub-coupon-item {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 14px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .sub-coupon-left .sub-val {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--brand-orange);
    }
    .sub-coupon-left .sub-name {
      font-size: 0.78rem;
      color: #94A3B8;
    }
    .sub-claim-btn {
      padding: 6px 14px;
      font-size: 0.8rem;
      font-weight: 700;
      background: rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
      border-radius: 4px;
      cursor: pointer;
    }
    .sub-claim-btn:hover {
      background: var(--brand-green);
      color: #080B0E;
    }

    /* SECTION 2: 真实案例墙 (客户案例) */
    .section-stories {
      padding: 96px 0;
      background: var(--bg-darker);
    }
    .stories-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .story-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s ease, border-color 0.3s ease;
    }
    .story-card:hover {
      transform: translateY(-6px);
      border-color: rgba(0, 230, 118, 0.4);
    }
    .story-img-wrap {
      height: 220px;
      position: relative;
      overflow: hidden;
    }
    .story-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .story-card:hover .story-img-wrap img {
      transform: scale(1.05);
    }
    .story-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(14, 19, 24, 0.85);
      backdrop-filter: blur(6px);
      color: var(--brand-green);
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid rgba(0, 230, 118, 0.3);
    }
    .story-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .story-author {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .story-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--brand-teal);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #FFFFFF;
    }
    .author-info h4 {
      font-size: 1.05rem;
      font-weight: 700;
    }
    .author-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .story-quote {
      font-size: 0.95rem;
      color: #E2E8F0;
      line-height: 1.65;
      margin-bottom: 16px;
      flex: 1;
    }
    .story-meta {
      padding-top: 14px;
      border-top: 1px solid var(--border-dark);
      display: flex;
      justify-content: space-between;
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* SECTION 3: 结果数据看板 */
    .section-stats {
      padding: 64px 0;
      background: linear-gradient(90deg, #10161D 0%, #151E28 100%);
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .stat-item {
      padding: 16px;
      position: relative;
    }
    .stat-item:not(:last-child)::after {
      content: '';
      position: absolute;
      right: 0;
      top: 20%;
      height: 60%;
      width: 1px;
      background: rgba(255, 255, 255, 0.08);
    }
    .stat-num {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--brand-green);
      line-height: 1.1;
      margin-bottom: 8px;
      font-variant-numeric: tabular-nums;
    }
    .stat-label {
      font-size: 0.95rem;
      color: #CBD5E1;
      font-weight: 600;
    }
    .stat-sub {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* SECTION 4: 前后对比 */
    .section-comparison {
      padding: 96px 0;
      background: var(--bg-dark);
    }
    .compare-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      max-width: 1040px;
      margin: 0 auto;
    }
    .compare-box {
      border-radius: var(--radius-md);
      padding: 36px;
      position: relative;
    }
    .compare-box.old-way {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .compare-box.new-way {
      background: linear-gradient(145deg, #151F2A 0%, #101820 100%);
      border: 2px solid var(--brand-green);
      box-shadow: var(--shadow-green);
    }
    .compare-box-header {
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .compare-tag {
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 10px;
    }
    .old-way .compare-tag {
      background: rgba(239, 68, 68, 0.15);
      color: #F87171;
    }
    .new-way .compare-tag {
      background: rgba(0, 230, 118, 0.2);
      color: var(--brand-green);
    }
    .compare-box-header h3 {
      font-size: 1.4rem;
      font-weight: 800;
    }
    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .compare-list-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.95rem;
      line-height: 1.5;
    }
    .compare-icon {
      font-size: 1.1rem;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .old-way .compare-icon { color: #EF4444; }
    .new-way .compare-icon { color: var(--brand-green); }

    /* SECTION 5: 方法说明 (核心特色体系) */
    .section-methods {
      padding: 96px 0;
      background: var(--bg-light);
      color: var(--text-dark);
    }
    .section-methods .section-title {
      color: var(--text-dark);
    }
    .section-methods .section-desc {
      color: var(--text-dark-muted);
    }
    .methods-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-top: 40px;
    }
    .method-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
      position: relative;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .method-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
    }
    .method-step {
      font-size: 2rem;
      font-weight: 900;
      color: #E2E8F0;
      line-height: 1;
      margin-bottom: 16px;
    }
    .method-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-dark);
    }
    .method-card p {
      font-size: 0.92rem;
      color: var(--text-dark-muted);
      line-height: 1.7;
    }

    /* SECTION 6: 互动功能 6 宫格卡片 */
    .section-features {
      padding: 96px 0;
      background: var(--bg-dark);
    }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: all 0.3s ease;
      position: relative;
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-5px);
      border-color: rgba(0, 230, 118, 0.4);
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
    }
    .feature-icon-bar {
      width: 52px;
      height: 52px;
      border-radius: 10px;
      background: rgba(0, 230, 118, 0.1);
      border: 1px solid rgba(0, 230, 118, 0.25);
      color: var(--brand-green);
      font-size: 1.5rem;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }
    .feature-card h3 {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: #FFFFFF;
    }
    .feature-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex: 1;
    }
    .feature-action {
      margin-top: 18px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--brand-green);
    }
    .feature-action:hover {
      text-decoration: underline;
    }

    /* SECTION 7: 热门运动圈子大卡片专区 */
    .section-circles {
      padding: 96px 0;
      background: var(--bg-darker);
    }
    .circles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .circle-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .circle-card-img {
      height: 200px;
      position: relative;
    }
    .circle-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .circle-badge {
      position: absolute;
      bottom: 12px;
      left: 12px;
      background: rgba(14, 19, 24, 0.9);
      padding: 4px 12px;
      border-radius: 9999px;
      font-size: 0.8rem;
      color: #00E676;
      font-weight: 700;
      border: 1px solid rgba(0, 230, 118, 0.3);
    }
    .circle-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .circle-card-body h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 10px;
    }
    .circle-card-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      flex: 1;
      line-height: 1.6;
    }

    /* SECTION 8: 竞技精神与文明守则 */
    .section-spirit {
      padding: 96px 0;
      background: linear-gradient(180deg, #0E1318 0%, #06090C 100%);
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }
    .spirit-box {
      background: #121820;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .spirit-content h3 {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 18px;
    }
    .spirit-content p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .spirit-rules {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .spirit-rules li {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: #E2E8F0;
    }
    .spirit-rules li span {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: rgba(0, 230, 118, 0.2);
      color: var(--brand-green);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      font-weight: 800;
    }
    .spirit-visual {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .spirit-visual img {
      width: 100%;
      height: 340px;
      object-fit: cover;
    }

    /* SECTION 9: 口碑气泡 (社友评价) */
    .section-reviews {
      padding: 96px 0;
      background: var(--bg-dark);
    }
    .bubble-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .bubble-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .bubble-stars {
      color: #FBBF24;
      font-size: 0.9rem;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }
    .bubble-text {
      font-size: 0.92rem;
      color: #E2E8F0;
      line-height: 1.7;
      margin-bottom: 20px;
      flex: 1;
    }
    .bubble-user {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .bubble-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #202B37;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--brand-green);
    }
    .bubble-user-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
    }
    .bubble-user-info span {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* SECTION 10: 体育热点与深度资讯 */
    .section-news {
      padding: 96px 0;
      background: var(--bg-darker);
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .news-cover {
      height: 190px;
      position: relative;
    }
    .news-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .news-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 10px;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 800;
      line-height: 1.45;
      margin-bottom: 12px;
      color: #FFFFFF;
    }
    .news-excerpt {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex: 1;
    }
    .news-action {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--brand-green);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* SECTION 11: 异议拆解 FAQ */
    .section-faq {
      padding: 96px 0;
      background: var(--bg-dark);
    }
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: border-color 0.25s ease;
    }
    .faq-item.active {
      border-color: var(--brand-green);
    }
    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 1.05rem;
      font-weight: 700;
      user-select: none;
    }
    .faq-icon {
      font-size: 1.3rem;
      color: var(--brand-green);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.75;
      display: none;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* SECTION 12: 社区公约与权益保障 */
    .section-guarantee {
      padding: 60px 0;
      background: #0A0E13;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .guarantee-icon {
      width: 48px;
      height: 48px;
      border-radius: 8px;
      background: rgba(0, 230, 118, 0.1);
      border: 1px solid rgba(0, 230, 118, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-green);
      font-size: 1.3rem;
      font-weight: 800;
      flex-shrink: 0;
    }
    .guarantee-info h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .guarantee-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* SECTION 13: 咨询与快速加入入口 (Final CTA) */
    .section-final-cta {
      padding: 96px 0;
      background: radial-gradient(circle at center, #1B2B20 0%, #0E1318 80%);
      text-align: center;
      position: relative;
    }
    .final-cta-box {
      max-width: 760px;
      margin: 0 auto;
      background: rgba(21, 28, 36, 0.8);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(0, 230, 118, 0.3);
      border-radius: var(--radius-lg);
      padding: 56px 40px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    }
    .final-cta-box h2 {
      font-size: 2.4rem;
      font-weight: 900;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .final-cta-box p {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
    }
    .cta-form {
      display: flex;
      gap: 12px;
      max-width: 520px;
      margin: 0 auto 20px;
    }
    .cta-input {
      flex: 1;
      height: 52px;
      background: #0E1318;
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-sm);
      padding: 0 18px;
      color: #FFFFFF;
      font-size: 0.95rem;
    }
    .cta-input:focus {
      border-color: var(--brand-green);
    }
    .form-tip {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FOOTER */
    .site-footer {
      background: #080B0E;
      border-top: 1px solid var(--border-dark);
      padding: 72px 0 36px;
      color: var(--text-muted);
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 56px;
    }
    .footer-brand h4 {
      font-size: 1.35rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand p {
      line-height: 1.75;
      margin-bottom: 20px;
      max-width: 320px;
    }
    .footer-col h5 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links a:hover {
      color: var(--brand-green);
    }
    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-bottom {
      padding-top: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.82rem;
    }
    .footer-bottom a {
      color: var(--text-muted);
    }
    .footer-bottom a:hover {
      color: var(--brand-green);
    }

    /* SECTION 13: 吸底浮动快捷转化条 */
    .sticky-bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(14, 19, 24, 0.96);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(0, 230, 118, 0.3);
      padding: 12px 24px;
      z-index: 999;
      display: flex;
      justify-content: space-between;
      align-items: center;
      box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.5);
      transition: transform 0.3s ease;
    }
    .sticky-content {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .sticky-badge {
      background: var(--brand-orange);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .sticky-text {
      font-size: 0.95rem;
      font-weight: 700;
      color: #FFFFFF;
    }
    .sticky-text span {
      color: var(--brand-green);
    }
    .sticky-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    /* 移动端菜单抽屉 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(8, 11, 14, 0.98);
      z-index: 2000;
      flex-direction: column;
      padding: 32px 24px;
    }
    .drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 36px;
    }
    .drawer-close {
      background: transparent;
      color: #FFFFFF;
      font-size: 1.8rem;
      cursor: pointer;
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .drawer-menu {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .drawer-menu a {
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .stories-grid, .methods-grid, .features-grid, .circles-grid, .bubble-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
      .stat-item:not(:last-child)::after { display: none; }
      .spirit-box { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .nav-menu, .nav-action .btn { display: none; }
      .mobile-menu-btn { display: flex; }
      .compare-container { grid-template-columns: 1fr; }
      .stories-grid, .methods-grid, .features-grid, .circles-grid, .bubble-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .hero-title { font-size: 2.2rem; }
      .section-title { font-size: 1.8rem; }
      .cta-form { flex-direction: column; }
      .sticky-text { display: none; }
      .footer-grid { grid-template-columns: 1fr; }
      .guarantee-grid { grid-template-columns: 1fr; }
      .info-bar { display: none; }
    }