/* roulang page: index */
:root {
    --brand-orange: #FF6B2C;
    --brand-pink: #FF3B7F;
    --brand-gradient: linear-gradient(135deg, #FF6B2C 0%, #FF3B7F 100%);
    --bg-dark: #15151F;
    --bg-dark-card: #1E1D2C;
    --bg-paper: #FAF7F2;
    --bg-white: #FFFFFF;
    --amber: #FFB547;
    --green: #16C79A;
    --text-dark-main: #F5F2EE;
    --text-dark-sub: #A6A3B2;
    --text-light-main: #23212E;
    --text-light-sub: #6E6A7E;
    --radius-lg: 32px;
    --radius-md: 24px;
    --radius-sm: 16px;
    --radius-pill: 999px;
    --shadow-card: 0 12px 40px rgba(21, 20, 31, 0.10);
    --shadow-hover: 0 24px 60px rgba(21, 20, 31, 0.16);
    --shadow-dark: 0 8px 30px rgba(255,255,255,0.04);
    --shadow-btn: 0 8px 30px rgba(255, 107, 44, 0.28);
    --border-dark: 1px solid rgba(255,255,255,0.09);
    --border-light: 1px solid #ECE7DF;
    --font-title: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    --font-num: "DIN Alternate", "Bahnschrift", "Roboto Condensed", monospace;
    --container: 1200px;
    --space-section: 96px;
    --space-section-mob: 64px;
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--text-light-main);
    background: var(--bg-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  body.nav-lock {
    overflow: hidden;
  }

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

  a {
    text-decoration: none;
    color: inherit;
  }

  ul,
  ol {
    margin: 0;
    padding: 0;
    list-style: none;
  }

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

  button {
    cursor: pointer;
  }

  h1,
  h2,
  h3,
  h4,
  p {
    margin: 0;
  }

  .container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
  }

  section {
    padding: var(--space-section) 0;
  }

  @media (max-width: 768px) {
    section {
      padding: var(--space-section-mob) 0;
    }
  }

  :focus-visible {
    outline: 2px solid var(--brand-orange);
    outline-offset: 3px;
  }

  /* ---------- 顶部信息条 ---------- */
  .topbar {
    background: #101018;
    color: var(--text-dark-sub);
    font-size: 0.8125rem;
    border-bottom: var(--border-dark);
  }

  .topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 40px;
  }

  .topbar-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--amber);
    font-weight: 600;
  }

  .topbar-tag::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    animation: breathe 2s infinite;
  }

  .topbar-badges {
    display: flex;
    gap: 12px;
  }

  .mini-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.06);
    border-radius: var(--radius-pill);
    padding: 2px 12px;
    color: var(--text-dark-sub);
  }

  .mini-badge strong {
    color: var(--text-dark-main);
    font-family: var(--font-num);
    font-size: 0.875rem;
  }

  /* ---------- 导航 ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(21, 21, 31, 0.92);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: var(--border-dark);
    transition: background 0.3s, box-shadow 0.3s;
  }

  .header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    min-height: 76px;
    gap: 16px;
    transition: min-height 0.3s;
  }

  .site-header.scrolled .header-inner {
    min-height: 64px;
  }

  .site-header.scrolled .logo {
    transform: scale(0.9);
    transform-origin: center;
  }

  .nav-left,
  .header-right {
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .nav-left {
    justify-self: start;
  }

  .header-right {
    justify-self: end;
  }

  .nav-link {
    color: var(--text-dark-main);
    font-size: 0.9375rem;
    font-weight: 500;
    position: relative;
    padding: 8px 2px;
    transition: color 0.2s;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    border-radius: 3px;
    background: var(--brand-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s;
  }

  .nav-link:hover::after,
  .nav-link.active::after {
    transform: scaleX(1);
  }

  .nav-link:hover {
    color: #fff;
  }

  .nav-link.active {
    color: #fff;
    font-weight: 700;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-self: center;
    transition: transform 0.3s;
  }

  .logo-mark {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--brand-gradient);
    color: #fff;
    font-size: 1.25rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-btn);
  }

  .logo-text {
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--text-dark-main);
    letter-spacing: 0.02em;
    white-space: nowrap;
  }

  .logo-tagline {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-dark-sub);
    letter-spacing: 0.08em;
  }

  .header-cta {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-pill);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    padding: 14px 24px;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s, opacity 0.2s;
  }

  .btn-grad {
    background: var(--brand-gradient);
    color: #fff;
    box-shadow: var(--shadow-btn);
  }

  .btn-grad:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(255, 107, 44, 0.38);
  }

  .btn-grad:active {
    transform: translateY(0);
    box-shadow: 0 6px 20px rgba(255, 107, 44, 0.2);
  }

  .btn-ghost {
    background: transparent;
    color: var(--text-dark-main);
    border: 1px solid rgba(255,255,255,0.35);
  }

  .btn-ghost:hover {
    background: rgba(255,255,255,0.10);
    border-color: rgba(255,255,255,0.6);
  }

  .btn-ghost:active {
    transform: translateY(1px);
  }

  .btn-sm {
    padding: 10px 18px;
    font-size: 0.875rem;
  }

  .btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
  }

  .header-mobile {
    display: none;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
  }

  .hamburger-btn,
  .search-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark-main);
    font-size: 1.375rem;
    border-radius: 12px;
    transition: background 0.2s;
  }

  .hamburger-btn:hover,
  .search-btn:hover {
    background: rgba(255,255,255,0.08);
  }

  .mobile-logo {
    font-size: 1.0625rem;
    font-weight: 800;
    color: var(--text-dark-main);
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .mobile-logo .logo-mark {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }

  /* 移动端抽屉 */
  .mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: 200;
    padding: 24px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  }

  .mobile-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
  }

  .mobile-menu-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
  }

  .mobile-menu-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark-main);
    font-size: 1.5rem;
    border-radius: 12px;
  }

  .mobile-menu-close:hover {
    background: rgba(255,255,255,0.08);
  }

  .mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
  }

  .mobile-nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 16px;
    border-radius: 16px;
    background: var(--bg-dark-card);
    color: var(--text-dark-main);
    font-size: 1.125rem;
    font-weight: 600;
    min-height: 56px;
    transition: background 0.2s;
  }

  .mobile-nav-item:hover {
    background: rgba(255,255,255,0.06);
  }

  .mobile-nav-item .m-badge {
    font-family: var(--font-num);
    font-size: 0.875rem;
    color: var(--amber);
    background: rgba(255,181,71,0.15);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
  }

  .mobile-menu-cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 24px;
  }

  @media (max-width: 1024px) {
    .nav-left,
    .header-right,
    .desktop-cta-wrap {
      display: none;
    }

    .header-inner {
      display: none;
    }

    .header-mobile {
      display: flex;
    }

    .site-header {
      position: sticky;
    }
  }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    overflow: hidden;
    background: var(--bg-dark);
    color: var(--text-dark-main);
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
  }

  .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(21,21,31,0.97) 0%, rgba(21,21,31,0.82) 45%, rgba(21,21,31,0.55) 100%);
    z-index: 1;
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    min-height: 560px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    padding: 72px 0;
  }

  .hero-main {
    max-width: 620px;
  }

  .hero-live {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.08);
    border: var(--border-dark);
    border-radius: var(--radius-pill);
    padding: 8px 16px;
    font-size: 0.875rem;
    color: var(--text-dark-main);
    margin-bottom: 28px;
  }

  .hero-live .live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    animation: breathe 1.8s infinite;
    box-shadow: 0 0 0 4px rgba(22,199,154,0.2);
  }

  .hero h1 {
    font-size: clamp(2.1rem, 5vw, 3.6rem);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: 0.01em;
    margin-bottom: 20px;
    color: var(--text-dark-main);
  }

  .hero h1 .highlight {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero-sub {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-dark-sub);
    margin-bottom: 32px;
    max-width: 520px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
  }

  .free-tag {
    font-size: 0.75rem;
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-pill);
    padding: 2px 8px;
    font-weight: 600;
    vertical-align: 2px;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    flex-shrink: 0;
  }

  .stat-card {
    background: rgba(30, 29, 44, 0.85);
    border: var(--border-dark);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    text-align: center;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: transform 0.25s, box-shadow 0.25s;
  }

  .stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-dark);
  }

  .stat-num {
    display: block;
    font-family: var(--font-num);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--amber);
    line-height: 1.1;
  }

  .stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-dark-sub);
    margin-top: 8px;
  }

  @keyframes breathe {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.55; transform: scale(0.85); }
  }

  /* ---------- 板块巡览 ---------- */
  .forums-section {
    background: var(--bg-paper);
  }

  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 48px;
  }

  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--brand-orange);
    text-transform: uppercase;
    background: rgba(255,107,44,0.08);
    border-radius: var(--radius-pill);
    padding: 6px 14px;
    margin-bottom: 12px;
  }

  .section-title {
    font-size: clamp(1.7rem, 3.5vw, 2.5rem);
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-light-main);
  }

  .section-title span {
    color: var(--brand-pink);
  }

  .section-desc {
    font-size: 1rem;
    color: var(--text-light-sub);
    margin-top: 12px;
    max-width: 560px;
  }

  .section-link {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-light-sub);
    white-space: nowrap;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .section-link:hover {
    color: var(--brand-orange);
  }

  .section-link::after {
    content: "→";
    font-size: 1.125rem;
    transition: transform 0.2s;
  }

  .section-link:hover::after {
    transform: translateX(3px);
  }

  .forums-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }

  .forum-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: var(--border-light);
    transition: transform 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
  }

  .forum-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
  }

  .forum-card-media {
    position: relative;
    aspect-ratio: 8 / 5;
    overflow: hidden;
    background: var(--bg-dark-card);
  }

  .forum-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .forum-card:hover .forum-card-media img {
    transform: scale(1.03);
  }

  .forum-card-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(21,21,31,0.8);
    border-radius: 10px;
    padding: 6px 12px;
    font-family: var(--font-num);
    font-size: 0.8125rem;
    color: var(--amber);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.14);
  }

  .forum-card-badge strong {
    color: #fff;
    font-size: 1rem;
  }

  .forum-card-body {
    padding: 22px 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .forum-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-light-main);
    margin-bottom: 6px;
  }

  .forum-card-desc {
    font-size: 0.875rem;
    color: var(--text-light-sub);
    line-height: 1.6;
    margin-bottom: 18px;
    flex: 1;
  }

  .forum-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8125rem;
    color: var(--text-light-sub);
    margin-bottom: 14px;
  }

  .forum-stars {
    color: var(--amber);
    font-size: 0.875rem;
    letter-spacing: 1px;
  }

  .forum-card .btn {
    width: 100%;
  }

  /* ---------- 使用场景：日程 + 三步 ---------- */
  .scene-section {
    background: var(--bg-dark);
    color: var(--text-dark-main);
  }

  .scene-section .section-title {
    color: var(--text-dark-main);
  }

  .scene-section .section-desc {
    color: var(--text-dark-sub);
  }

  .schedule-today {
    background: var(--bg-dark-card);
    border: var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 12px 24px;
    margin-bottom: 56px;
  }

  .schedule-item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 20px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: background 0.2s;
    flex-wrap: wrap;
  }

  .schedule-item:last-child {
    border-bottom: none;
  }

  .schedule-item:hover {
    background: rgba(255,255,255,0.03);
  }

  .schedule-time {
    font-family: var(--font-num);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--amber);
    min-width: 88px;
  }

  .schedule-info {
    flex: 1;
    min-width: 200px;
  }

  .schedule-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-dark-main);
  }

  .schedule-people {
    font-size: 0.8125rem;
    color: var(--text-dark-sub);
    margin-top: 2px;
  }

  .schedule-status {
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
  }

  .status-full {
    color: var(--brand-pink);
    background: rgba(255,59,127,0.15);
  }

  .status-open {
    color: var(--green);
    background: rgba(22,199,154,0.15);
  }

  .status-soon {
    color: var(--amber);
    background: rgba(255,181,71,0.15);
  }

  .schedule-cta {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--brand-orange);
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }

  .schedule-cta:hover {
    color: var(--brand-pink);
  }

  .schedule-cta::after {
    content: "→";
    transition: transform 0.2s;
  }

  .schedule-cta:hover::after {
    transform: translateX(3px);
  }

  .steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .step-card {
    background: var(--bg-dark-card);
    border: var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    transition: transform 0.25s, box-shadow 0.25s;
  }

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

  .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: var(--brand-gradient);
    font-family: var(--font-num);
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    box-shadow: var(--shadow-btn);
  }

  .step-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-dark-main);
    margin-bottom: 10px;
  }

  .step-desc {
    font-size: 0.9375rem;
    color: var(--text-dark-sub);
    line-height: 1.65;
    margin-bottom: 16px;
  }

  .step-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--amber);
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }

  .step-link:hover {
    color: var(--brand-orange);
  }

  .step-link::after {
    content: "→";
    transition: transform 0.2s;
  }

  .step-link:hover::after {
    transform: translateX(3px);
  }

  /* ---------- 高光热帖 + TOP3 ---------- */
  .hot-section {
    background: var(--bg-paper);
  }

  .hot-layout {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 32px;
    margin-bottom: 48px;
  }

  .hot-feature {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 420px;
    background: var(--bg-dark-card);
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.25s;
  }

  .hot-feature:hover {
    box-shadow: var(--shadow-hover);
  }

  .hot-feature img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
  }

  .hot-feature-content {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 32px;
    background: linear-gradient(to top, rgba(21,21,31,0.92) 0%, rgba(21,21,31,0.4) 70%, transparent 100%);
    color: var(--text-dark-main);
  }

  .hot-feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
  }

  .hot-feature-excerpt {
    font-size: 0.9375rem;
    color: var(--text-dark-sub);
    margin-bottom: 16px;
    max-width: 480px;
  }

  .hot-feature-stats {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }

  .hot-stat {
    background: rgba(255,255,255,0.12);
    border-radius: 10px;
    padding: 6px 14px;
    font-family: var(--font-num);
    font-size: 0.875rem;
    color: var(--amber);
  }

  .hot-stat strong {
    color: #fff;
    font-size: 1rem;
    margin-right: 4px;
  }

  .hot-side {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 24px;
  }

  .hot-side-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: var(--border-light);
    padding: 20px;
    display: flex;
    gap: 16px;
    align-items: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.25s, box-shadow 0.25s;
  }

  .hot-side-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }

  .hot-side-thumb {
    width: 104px;
    height: 88px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
    background: var(--bg-dark-card);
  }

  .hot-side-body {
    min-width: 0;
  }

  .hot-side-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-light-main);
    line-height: 1.5;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .hot-side-meta {
    font-size: 0.8125rem;
    color: var(--text-light-sub);
    display: flex;
    gap: 12px;
  }

  .hot-side-meta span {
    font-family: var(--font-num);
  }

  .top3-bar {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: var(--border-light);
    box-shadow: var(--shadow-card);
    padding: 28px;
  }

  .top3-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .top3-item {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
  }

  .top3-rank {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-num);
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
  }

  .rank-1 { background: linear-gradient(135deg, #FFD700, #F5A623); box-shadow: 0 6px 20px rgba(255, 215, 0, 0.35); }
  .rank-2 { background: linear-gradient(135deg, #A8A8B0, #6E6E78); box-shadow: 0 6px 20px rgba(168, 168, 176, 0.35); }
  .rank-3 { background: linear-gradient(135deg, #E8A87C, #B4654A); box-shadow: 0 6px 20px rgba(232, 168, 124, 0.35); }

  .top3-item-body {
    min-width: 0;
  }

  .top3-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-light-main);
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
  }

  .top3-reply {
    font-size: 0.8125rem;
    color: var(--text-light-sub);
  }

  .top3-reply strong {
    color: var(--brand-pink);
    font-family: var(--font-num);
  }

  /* ---------- 会员套票 ---------- */
  .price-section {
    background: var(--bg-dark);
    color: var(--text-dark-main);
  }

  .price-section .section-title {
    color: var(--text-dark-main);
  }

  .price-section .section-desc {
    color: var(--text-dark-sub);
  }

  .price-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
  }

  .price-card {
    background: var(--bg-dark-card);
    border-radius: var(--radius-lg);
    border: var(--border-dark);
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.25s, box-shadow 0.25s;
  }

  .price-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-dark);
  }

  .price-card.popular {
    border: 2px solid transparent;
    background: linear-gradient(var(--bg-dark-card), var(--bg-dark-card)) padding-box, var(--brand-gradient) border-box;
    padding: 40px 32px;
    transform: scale(1.02);
  }

  .price-card.popular:hover {
    transform: scale(1.02) translateY(-6px);
  }

  .popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--brand-gradient);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-btn);
    white-space: nowrap;
  }

  .price-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark-main);
    margin-bottom: 12px;
  }

  .price-amount {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
  }

  .price-amount .currency {
    font-size: 1rem;
    color: var(--amber);
    font-weight: 600;
  }

  .price-amount .number {
    font-family: var(--font-num);
    font-size: 3.25rem;
    font-weight: 800;
    color: var(--amber);
    line-height: 1;
  }

  .price-amount .period {
    font-size: 0.875rem;
    color: var(--text-dark-sub);
  }

  .price-original {
    font-size: 0.875rem;
    color: var(--text-dark-sub);
    text-decoration: line-through;
    margin-bottom: 24px;
  }

  .price-features {
    flex: 1;
    margin-bottom: 28px;
  }

  .price-feature {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9375rem;
    color: var(--text-dark-main);
    padding: 8px 0;
  }

  .price-feature::before {
    content: "✓";
    font-weight: 700;
    color: var(--green);
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(22,199,154,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    margin-top: 3px;
  }

  .price-note {
    font-size: 0.75rem;
    color: var(--text-dark-sub);
    text-align: center;
    margin-top: 18px;
  }

  /* ---------- FAQ ---------- */
  .faq-section {
    background: var(--bg-paper);
  }

  .faq-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 56px;
    align-items: start;
  }

  .faq-left {
    position: sticky;
    top: 120px;
  }

  .faq-contact {
    margin-top: 24px;
  }

  .faq-item {
    background: var(--bg-white);
    border: var(--border-light);
    border-radius: var(--radius-md);
    padding: 0;
    margin-bottom: 16px;
    overflow: hidden;
    transition: box-shadow 0.2s;
  }

  .faq-item:hover {
    box-shadow: var(--shadow-card);
  }

  .faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 22px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-light-main);
    min-height: 44px;
    user-select: none;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,107,44,0.1);
    color: var(--brand-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 400;
    flex-shrink: 0;
    transition: transform 0.3s, background 0.3s;
  }

  .faq-item[open] .faq-icon {
    transform: rotate(45deg);
    background: var(--brand-orange);
    color: #fff;
  }

  .faq-answer {
    padding: 0 24px 24px;
    font-size: 0.9375rem;
    color: var(--text-light-sub);
    line-height: 1.7;
  }

  /* ---------- 底部 CTA ---------- */
  .cta-section {
    background: var(--bg-paper);
    padding-top: 0;
  }

  .cta-banner {
    background: var(--brand-gradient);
    border-radius: var(--radius-lg);
    padding: 72px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-banner::before {
    content: "";
    position: absolute;
    top: -80px;
    right: -80px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
  }

  .cta-banner::after {
    content: "";
    position: absolute;
    bottom: -60px;
    left: 60px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
  }

  .cta-banner h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
  }

  .cta-banner p {
    font-size: 1rem;
    color: rgba(255,255,255,0.9);
    max-width: 500px;
    margin: 0 auto 32px;
    position: relative;
    z-index: 1;
  }

  .cta-btn-wrap {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
  }

  .cta-banner .btn-ghost {
    border-color: rgba(255,255,255,0.6);
    color: #fff;
  }

  .cta-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 36px;
    position: relative;
    z-index: 1;
  }

  .cta-tag {
    background: rgba(255,255,255,0.18);
    color: #fff;
    font-size: 0.8125rem;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
  }

  /* ---------- 页脚 ---------- */
  .site-footer {
    background: #101018;
    color: var(--text-dark-sub);
    padding: 64px 0 32px;
    border-top: var(--border-dark);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
  }

  .footer-logo .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 1.0625rem;
  }

  .footer-logo-text {
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--text-dark-main);
  }

  .footer-about p {
    font-size: 0.875rem;
    line-height: 1.7;
    max-width: 260px;
  }

  .footer-col-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-dark-main);
    margin-bottom: 16px;
  }

  .footer-col ul li {
    margin-bottom: 10px;
  }

  .footer-col a {
    font-size: 0.875rem;
    color: var(--text-dark-sub);
    transition: color 0.2s;
  }

  .footer-col a:hover {
    color: var(--brand-orange);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding-top: 24px;
    text-align: center;
    font-size: 0.8125rem;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width: 1280px) {
    .forums-grid {
      grid-template-columns: repeat(3, 1fr);
    }

    .hero-inner {
      gap: 32px;
      padding: 64px 0;
    }

    .hero-stats {
      grid-template-columns: 1fr;
    }

    .price-grid {
      gap: 16px;
    }
  }

  @media (max-width: 1024px) {
    .hero-inner {
      flex-direction: column;
      align-items: flex-start;
      padding: 56px 0;
      min-height: auto;
    }

    .hero-stats {
      grid-template-columns: repeat(3, 1fr);
      width: 100%;
    }

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

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

    .hot-side {
      grid-template-columns: 1fr 1fr;
      grid-template-rows: auto;
    }

    .top3-list {
      grid-template-columns: 1fr;
      gap: 20px;
    }

    .price-grid {
      grid-template-columns: 1fr;
      max-width: 560px;
      margin: 0 auto;
    }

    .price-card.popular {
      transform: scale(1);
    }

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

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

    .faq-layout {
      grid-template-columns: 1fr;
      gap: 40px;
    }

    .faq-left {
      position: static;
    }

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

  @media (max-width: 768px) {
    .container {
      padding: 0 16px;
    }

    .hero h1 {
      font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

    .hero-sub {
      font-size: 1rem;
    }

    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }

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

    .hero-stats {
      grid-template-columns: 1fr;
    }

    .stat-card {
      padding: 16px;
    }

    .section-head {
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 32px;
    }

    .forums-grid {
      grid-template-columns: 1fr;
      gap: 16px;
    }

    .schedule-today {
      padding: 4px 12px;
    }

    .schedule-item {
      flex-wrap: wrap;
      gap: 12px;
      padding: 16px 8px;
    }

    .schedule-time {
      font-size: 1.25rem;
      min-width: 64px;
    }

    .schedule-status {
      font-size: 0.75rem;
      padding: 4px 10px;
    }

    .hot-feature {
      min-height: 300px;
    }

    .hot-feature-content {
      padding: 20px;
    }

    .hot-feature-title {
      font-size: 1.125rem;
    }

    .hot-side {
      grid-template-columns: 1fr;
    }

    .top3-bar {
      padding: 20px;
    }

    .cta-banner {
      padding: 48px 20px;
    }

    .cta-btn-wrap {
      flex-direction: column;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }

    .mobile-menu-cta {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 480px) {
    .topbar-badges {
      display: none;
    }

    .topbar-inner {
      justify-content: center;
    }

    .hero-inner {
      padding: 40px 0;
    }

    .hero-live {
      font-size: 0.8125rem;
      padding: 6px 12px;
    }

    .btn-lg {
      padding: 14px 20px;
    }
  }