/* roulang page: index */
:root {
    --primary: #FF4D2E;
    --primary-dark: #D93A17;
    --secondary: #0B1B33;
    --secondary-light: #162D4D;
    --accent: #FFC042;
    --bg: #F4F6FA;
    --white: #FFFFFF;
    --text: #1E293B;
    --text-light: #64748B;
    --border: #E2E8F0;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 10px rgba(11, 27, 51, 0.06);
    --shadow-md: 0 8px 24px rgba(11, 27, 51, 0.08);
    --shadow-lg: 0 16px 40px rgba(11, 27, 51, 0.13);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  .container-custom {
    width: 100%;
    max-width: 1240px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  @media (min-width: 768px) {
    .container-custom {
      padding-left: 2rem;
      padding-right: 2rem;
    }
  }

  /* ===== Dock Navigation ===== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0.9rem 1rem;
    pointer-events: none;
  }

  .site-header .container-custom {
    pointer-events: auto;
  }

  .dock-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 60px;
    padding: 0.6rem 1.4rem 0.6rem 1.1rem;
    box-shadow: var(--shadow-md);
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
    transition: var(--transition);
  }

  .site-header.scrolled .dock-nav {
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.97);
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--secondary);
    white-space: nowrap;
  }

  .logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, #FF6B3D, var(--primary));
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    box-shadow: 0 4px 12px rgba(255, 77, 46, 0.35);
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }

  .nav-links a {
    padding: 0.5rem 1rem;
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--text-light);
    border-radius: 40px;
    white-space: nowrap;
  }

  .nav-links a:hover {
    color: var(--primary);
    background: rgba(255, 77, 46, 0.08);
  }

  .nav-links a.active {
    color: #fff;
    background: var(--primary);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(255, 77, 46, 0.28);
  }

  .nav-cta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: linear-gradient(135deg, #FF6B3D, var(--primary));
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.55rem 1.2rem;
    border-radius: 40px;
    box-shadow: var(--shadow-btn);
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(255, 77, 46, 0.42);
  }

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

  .btn-primary:focus-visible,
  .nav-links a:focus-visible,
  a:focus-visible {
    outline: 3px solid rgba(255, 77, 46, 0.5);
    outline-offset: 2px;
  }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: transparent;
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.55rem 1.2rem;
    border-radius: 40px;
    border: 2px solid rgba(255, 255, 255, 0.55);
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
  }

  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.9);
  }

  .btn-ghost-dark {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: transparent;
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.55rem 1.2rem;
    border-radius: 40px;
    border: 2px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
  }

  .btn-ghost-dark:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(255, 77, 46, 0.06);
  }

  .menu-toggle {
    display: none;
    background: none;
    color: var(--secondary);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0.35rem;
    border-radius: 8px;
  }

  @media (max-width: 768px) {
    .site-header {
      padding: 0.6rem 0.6rem;
    }

    .dock-nav {
      padding: 0.5rem 0.9rem;
      gap: 0.5rem;
    }

    .logo {
      font-size: 1.05rem;
    }

    .logo-icon {
      width: 30px;
      height: 30px;
      font-size: 0.85rem;
    }

    .nav-links {
      position: fixed;
      top: 68px;
      left: 1rem;
      right: 1rem;
      flex-direction: column;
      align-items: stretch;
      background: #fff;
      border-radius: 20px;
      box-shadow: var(--shadow-lg);
      padding: 0.8rem;
      gap: 0.3rem;
      transform: translateY(-20px);
      opacity: 0;
      visibility: hidden;
      transition: var(--transition);
    }

    .nav-links.open {
      transform: translateY(0);
      opacity: 1;
      visibility: visible;
    }

    .nav-links a {
      text-align: center;
      padding: 0.7rem 1rem;
      font-size: 1rem;
    }

    .nav-cta .btn-primary span {
      display: none;
    }

    .menu-toggle {
      display: block;
    }
  }

  /* ===== Hero ===== */
  .hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    color: #fff;
    padding-top: 7rem;
    padding-bottom: 4rem;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(11, 27, 51, 0.93) 10%, rgba(11, 27, 51, 0.72) 55%, rgba(11, 27, 51, 0.35) 100%);
    z-index: 1;
  }

  .hero::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 120px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 120" preserveAspectRatio="none"><path fill="%23F4F6FA" d="M0,64L60,74.7C120,85,240,107,360,106.7C480,107,600,85,720,74.7C840,64,960,64,1080,74.7C1200,85,1320,107,1380,117.3L1440,128L1440,120L0,120Z"></path></svg>');
    background-size: cover;
    background-position: center;
    z-index: 2;
  }

  .hero-content {
    position: relative;
    z-index: 3;
    max-width: 760px;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.4rem 1.1rem;
    border-radius: 40px;
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    margin-bottom: 1.6rem;
    color: rgba(255, 255, 255, 0.94);
  }

  .hero-badge .pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #34D399;
    position: relative;
  }

  .hero-badge .pulse-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: rgba(52, 211, 153, 0.4);
    animation: pulse 1.8s ease-out infinite;
  }

  @keyframes pulse {
    0% {
      transform: scale(0.6);
      opacity: 0.8;
    }
    100% {
      transform: scale(1.8);
      opacity: 0;
    }
  }

  .hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.2rem;
    letter-spacing: 0.01em;
  }

  .hero h1 .highlight {
    background: linear-gradient(120deg, var(--accent), #FF8A5B);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-desc {
    font-size: 1.08rem;
    color: rgba(255, 255, 255, 0.82);
    max-width: 580px;
    margin-bottom: 2rem;
    line-height: 1.8;
  }

  .hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 2.6rem;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
    max-width: 520px;
  }

  .hero-stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 16px;
    padding: 1rem 1rem;
    text-align: center;
    transition: var(--transition);
  }

  .hero-stat-item:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-4px);
  }

  .hero-stat-item .num {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
  }

  .hero-stat-item .label {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 0.25rem;
  }

  @media (max-width: 768px) {
    .hero {
      min-height: auto;
      padding-top: 6.5rem;
      padding-bottom: 3.5rem;
    }

    .hero-stats {
      grid-template-columns: repeat(3, 1fr);
      gap: 0.6rem;
    }

    .hero-stat-item {
      padding: 0.75rem 0.5rem;
    }

    .hero-stat-item .num {
      font-size: 1.25rem;
    }
  }

  /* ===== Live Status Bar ===== */
  .live-bar-section {
    padding: 3.5rem 0 2.5rem;
  }

  .live-status-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(226, 232, 240, 0.8);
    padding: 1.4rem 1.8rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    transition: var(--transition);
  }

  .live-status-card:hover {
    box-shadow: var(--shadow-md);
  }

  .live-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--secondary);
    font-size: 0.95rem;
    background: linear-gradient(135deg, rgba(255, 192, 66, 0.16), rgba(255, 77, 46, 0.1));
    padding: 0.45rem 1rem;
    border-radius: 40px;
  }

  .live-icon i {
    color: var(--primary);
  }

  .live-tags {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    flex: 1;
  }

  .live-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    background: #F8FAFC;
    border: 1px solid var(--border);
    padding: 0.35rem 0.85rem;
    border-radius: 40px;
    color: var(--text);
    transition: var(--transition);
  }

  .live-tag:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(255, 77, 46, 0.04);
  }

  .live-tag .status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #EF4444;
    animation: blink 1.2s infinite;
  }

  .live-tag .status-dot.green {
    background: #10B981;
  }

  .live-tag .status-dot.blue {
    background: #3B82F6;
  }

  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
  }

  @media (max-width: 768px) {
    .live-status-card {
      padding: 1rem 1.2rem;
      flex-direction: column;
      align-items: flex-start;
    }
  }

  /* ===== Section Global ===== */
  .section {
    padding: 5rem 0;
  }

  .section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3rem;
  }

  .section-head .eyebrow {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 0.6rem;
  }

  .section-head h2 {
    font-size: clamp(1.7rem, 3.4vw, 2.5rem);
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.25;
    margin-bottom: 0.8rem;
  }

  .section-head p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.7;
  }

  .section-light {
    background: var(--white);
  }

  .section-dark {
    background: var(--secondary);
    color: #fff;
  }

  @media (max-width: 768px) {
    .section {
      padding: 3.5rem 0;
    }

    .section-head {
      margin-bottom: 2rem;
    }
  }

  /* ===== Feature Cards ===== */
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(226, 232, 240, 0.7);
    box-shadow: var(--shadow-card);
    padding: 2rem 1.6rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }

  .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
  }

  .feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
  }

  .feature-card:hover::before {
    transform: scaleX(1);
  }

  .feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, rgba(255, 77, 46, 0.12), rgba(255, 192, 66, 0.12));
    color: var(--primary);
  }

  .feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.6rem;
  }

  .feature-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
  }

  @media (max-width: 1024px) {
    .feature-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 520px) {
    .feature-grid {
      grid-template-columns: 1fr;
    }
  }

  /* ===== Category Cards ===== */
  .category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.8rem;
  }

  .category-card {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    min-height: 360px;
    display: flex;
    align-items: flex-end;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
  }

  .category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
  }

  .category-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
  }

  .category-card:hover img {
    transform: scale(1.05);
  }

  .category-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(11, 27, 51, 0.92) 0%, rgba(11, 27, 51, 0.3) 60%, rgba(11, 27, 51, 0.05) 100%);
    z-index: 1;
  }

  .category-body {
    position: relative;
    z-index: 2;
    padding: 2rem 1.8rem;
    color: #fff;
    width: 100%;
  }

  .category-body .cat-label {
    display: inline-block;
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.75rem;
    padding: 0.28rem 0.85rem;
    border-radius: 40px;
    margin-bottom: 0.8rem;
    color: rgba(255, 255, 255, 0.95);
  }

  .category-body h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
  }

  .category-body p {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.1rem;
    line-height: 1.65;
  }

  .category-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #fff;
    color: var(--secondary);
    font-weight: 700;
    font-size: 0.88rem;
    padding: 0.55rem 1.3rem;
    border-radius: 40px;
    transition: var(--transition);
  }

  .category-link:hover {
    background: var(--accent);
    gap: 0.85rem;
  }

  @media (max-width: 768px) {
    .category-grid {
      grid-template-columns: 1fr;
    }

    .category-card {
      min-height: 300px;
    }
  }

  /* ===== News Cards ===== */
  .news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.7);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
  }

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

  .news-thumb {
    position: relative;
    height: 175px;
    overflow: hidden;
  }

  .news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .news-card:hover .news-thumb img {
    transform: scale(1.06);
  }

  .news-thumb .thumb-tag {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: var(--primary);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.25rem 0.8rem;
    border-radius: 30px;
    box-shadow: 0 4px 12px rgba(255, 77, 46, 0.35);
  }

  .news-body {
    padding: 1.3rem 1.4rem 1.4rem;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .news-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    font-size: 0.78rem;
    color: var(--text-light);
  }

  .news-meta .badge {
    background: rgba(255, 77, 46, 0.1);
    color: var(--primary);
    font-weight: 600;
    padding: 0.2rem 0.7rem;
    border-radius: 30px;
    font-size: 0.72rem;
  }

  .news-title {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--secondary);
    line-height: 1.5;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-card:hover .news-title {
    color: var(--primary);
  }

  .news-summary {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
    flex: 1;
  }

  .news-more {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--secondary);
  }

  .news-more i {
    transition: transform 0.3s ease;
  }

  .news-card:hover .news-more {
    color: var(--primary);
  }

  .news-card:hover .news-more i {
    transform: translateX(4px);
  }

  @media (max-width: 1024px) {
    .news-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 600px) {
    .news-grid {
      grid-template-columns: 1fr;
    }

    .news-thumb {
      height: 190px;
    }
  }

  /* ===== Stats ===== */
  .stats-section {
    background: linear-gradient(135deg, #0B1B33 0%, #162D4D 100%);
    position: relative;
    overflow: hidden;
  }

  .stats-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 77, 46, 0.12);
    filter: blur(60px);
  }

  .stats-section::after {
    content: '';
    position: absolute;
    bottom: -120px;
    left: -80px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 192, 66, 0.1);
    filter: blur(70px);
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
  }

  .stat-block {
    text-align: center;
    padding: 1.5rem 0.8rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
  }

  .stat-block:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
  }

  .stat-block .num {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
  }

  .stat-block .num span {
    font-size: 1.4rem;
    font-weight: 700;
    margin-left: 2px;
  }

  .stat-block .label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.4rem;
  }

  @media (max-width: 768px) {
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }

    .stat-block .num {
      font-size: 1.8rem;
    }
  }

  /* ===== Process ===== */
  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    counter-reset: step;
  }

  .process-step {
    text-align: center;
    padding: 2rem 1.2rem;
    position: relative;
  }

  .process-num {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #FF6B3D, var(--primary));
    color: #fff;
    font-size: 1.4rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 22px rgba(255, 77, 46, 0.35);
    position: relative;
    z-index: 1;
  }

  .process-step h3 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.55rem;
  }

  .process-step p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.65;
  }

  .process-arrow {
    position: absolute;
    top: 50%;
    right: -18px;
    transform: translateY(-50%);
    color: var(--border);
    font-size: 1.1rem;
    z-index: 0;
  }

  @media (max-width: 1024px) {
    .process-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .process-arrow {
      display: none;
    }
  }

  @media (max-width: 520px) {
    .process-grid {
      grid-template-columns: 1fr;
    }
  }

  /* ===== FAQ ===== */
  .faq-wrapper {
    max-width: 760px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
  }

  .faq-item:hover {
    border-color: rgba(255, 77, 46, 0.35);
    box-shadow: var(--shadow-sm);
  }

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--secondary);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
  }

  .faq-question:hover {
    color: var(--primary);
  }

  .faq-question .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 77, 46, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: var(--transition);
  }

  .faq-item.open .faq-icon {
    background: var(--primary);
    color: #fff;
    transform: rotate(180deg);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .faq-answer-inner {
    padding: 0 1.5rem 1.3rem;
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.75;
    border-top: 1px dashed var(--border);
    padding-top: 1rem;
  }

  /* ===== CTA ===== */
  .cta-section {
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
  }

  .cta-overlay {
    background: linear-gradient(120deg, rgba(11, 27, 51, 0.95) 20%, rgba(11, 27, 51, 0.8) 60%, rgba(255, 77, 46, 0.4) 100%);
    padding: 5.5rem 0;
  }

  .cta-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    color: #fff;
  }

  .cta-content h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    margin-bottom: 1rem;
  }

  .cta-content p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2rem;
    line-height: 1.7;
  }

  .cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .cta-buttons .btn-primary {
    font-size: 1rem;
    padding: 0.8rem 2rem;
  }

  .cta-buttons .btn-ghost {
    font-size: 1rem;
    padding: 0.8rem 2rem;
  }

  @media (max-width: 768px) {
    .cta-overlay {
      padding: 4rem 0;
      background-attachment: scroll;
    }
  }

  /* ===== Footer ===== */
  .site-footer {
    background: #081424;
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 2rem;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .footer-brand .logo {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.3rem;
  }

  .footer-brand .logo-icon {
    background: linear-gradient(135deg, #FF6B3D, var(--primary));
  }

  .footer-brand p {
    font-size: 0.9rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;
  }

  .footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
  }

  .footer-col ul {
    list-style: none;
  }

  .footer-col ul li {
    margin-bottom: 0.6rem;
  }

  .footer-col ul a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition);
  }

  .footer-col ul a:hover {
    color: var(--primary);
    transform: translateX(4px);
  }

  .footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
  }

  .footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
  }

  .footer-contact-item i {
    color: var(--accent);
    width: 18px;
    text-align: center;
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 1.8rem;
    font-size: 0.83rem;
    color: rgba(255, 255, 255, 0.4);
  }

  .footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
  }

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

  @media (max-width: 900px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 520px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 2rem;
    }

    .footer-bottom {
      flex-direction: column;
      text-align: center;
      justify-content: center;
    }
  }

  /* ===== Animation / Utility ===== */
  .fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    max-width: 1200px;
    margin: 0 auto;
  }

/* roulang page: article */
:root {
    --primary: #f59e0b;
    --primary-dark: #d97706;
    --primary-light: #fef3c7;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --light: #f8fafc;
    --text: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;
    --radius-lg: 20px;
    --radius-md: 14px;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-hover: 0 16px 40px rgba(15, 23, 42, 0.14);
    --transition: all .3s ease;
  }
  html { scroll-behavior: smooth; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
    background: #f8fafc;
    color: var(--text);
    line-height: 1.6;
    margin: 0;
    -webkit-font-smoothing: antialiased;
  }
  *, *::before, *::after { box-sizing: border-box; }
  img { max-width: 100%; height: auto; display: block; }
  a { text-decoration: none; color: inherit; transition: var(--transition); }
  button { cursor: pointer; font-family: inherit; }
  .container-custom { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

  /* ===== Header Dock Nav ===== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 20px 0;
    pointer-events: none;
  }
  .dock-nav {
    max-width: 1120px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    padding: 10px 18px 10px 22px;
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.1);
    pointer-events: auto;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    color: var(--dark);
  }
  .logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, #f59e0b, #f97316);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1rem;
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.4);
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0 12px;
  }
  .nav-links a {
    padding: 10px 16px;
    border-radius: 14px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--muted);
    white-space: nowrap;
  }
  .nav-links a:hover { color: var(--dark); background: var(--primary-light); }
  .nav-links a.active { color: var(--primary-dark); background: var(--primary-light); }
  .nav-cta { display: flex; align-items: center; gap: 12px; }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #f59e0b, #f97316);
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 10px 20px;
    border-radius: 14px;
    border: none;
    box-shadow: 0 6px 18px rgba(245, 158, 11, 0.4);
    transition: var(--transition);
    white-space: nowrap;
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(245, 158, 11, 0.5);
  }
  .menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--dark);
    font-size: 1rem;
    align-items: center;
    justify-content: center;
  }

  /* ===== Article Banner ===== */
  .article-banner {
    position: relative;
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 70%, #334155 100%);
    overflow: hidden;
    color: #fff;
  }
  .article-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    opacity: 0.28;
  }
  .article-banner::after {
    content: '';
    position: absolute;
    top: -60%;
    right: -20%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, transparent 70%);
  }
  .article-banner .banner-inner {
    position: relative;
    z-index: 2;
    max-width: 900px;
  }
  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    flex-wrap: wrap;
  }
  .breadcrumb a:hover { color: #fbbf24; }
  .breadcrumb i { font-size: 0.65rem; }
  .article-banner h1 {
    font-size: clamp(1.6rem, 3.6vw, 2.5rem);
    font-weight: 800;
    line-height: 1.35;
    margin: 0 0 18px;
    letter-spacing: -0.02em;
  }
  .banner-meta {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.75);
  }
  .banner-meta span { display: inline-flex; align-items: center; gap: 7px; }
  .banner-meta i { color: #fbbf24; }
  .banner-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.4);
    color: #fbbf24;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
  }

  /* ===== Article Body ===== */
  .article-section {
    padding: 48px 0 80px;
  }
  .article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 32px;
    align-items: start;
  }
  .article-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
  }
  .article-card-body {
    padding: 36px 40px;
  }
  .post-content {
    font-size: 1.03rem;
    line-height: 1.95;
    color: #334155;
  }
  .post-content h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark);
    margin: 2.2rem 0 0.8rem;
    padding-bottom: .4rem;
    border-bottom: 2px solid var(--primary-light);
  }
  .post-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin: 1.8rem 0 0.6rem;
  }
  .post-content p { margin-bottom: 1.1rem; }
  .post-content ul {
    margin: 0 0 1.2rem;
    padding-left: 1.4rem;
  }
  .post-content ul li { margin-bottom: .45rem; position: relative; }
  .post-content img {
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
    width: auto;
  }
  .post-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
    padding: 14px 20px;
    border-radius: 8px;
    margin: 1.4rem 0;
    color: var(--dark-2);
    font-style: normal;
  }
  .article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
  }
  .tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--light);
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    transition: var(--transition);
  }
  .tag-chip:hover {
    border-color: var(--primary);
    color: var(--primary-dark);
    background: var(--primary-light);
  }

  /* Not Found */
  .not-found-box {
    text-align: center;
    padding: 60px 30px;
  }
  .not-found-box .nf-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
  }
  .not-found-box h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
  }
  .not-found-box p { color: var(--muted); margin-bottom: 24px; }
  .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 2px solid var(--primary);
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 10px 24px;
    border-radius: 14px;
    transition: var(--transition);
    background: transparent;
  }
  .btn-outline:hover {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 18px rgba(245, 158, 11, 0.4);
  }

  /* Sidebar */
  .sidebar { display: flex; flex-direction: column; gap: 24px; }
  .sidebar-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 26px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .sidebar-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-light);
  }
  .sidebar-card h3 i { color: var(--primary); }
  .sidebar-info { display: flex; flex-direction: column; gap: 14px; }
  .sidebar-info-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 0.9rem;
    color: var(--muted);
  }
  .sidebar-info-item i {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: var(--light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
  }
  .sidebar-cat {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .cat-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--light);
    transition: var(--transition);
  }
  .cat-link:hover {
    border-color: var(--primary);
    background: #fff;
    transform: translateX(4px);
    box-shadow: var(--shadow);
  }
  .cat-link img {
    width: 64px;
    height: 48px;
    object-fit: cover;
    border-radius: 10px;
    flex-shrink: 0;
  }
  .cat-link .cat-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--dark);
  }
  .cat-link .cat-desc {
    font-size: 0.76rem;
    color: var(--muted);
    line-height: 1.4;
  }
  .sidebar-cta {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .sidebar-cta::after {
    content: '';
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.3);
  }
  .sidebar-cta h3 { color: #fff; border-color: rgba(255,255,255,0.15); }
  .sidebar-cta h3 i { color: #fbbf24; }
  .sidebar-cta p { font-size: 0.85rem; color: rgba(255,255,255,0.75); margin-bottom: 18px; }
  .sidebar-cta .btn-primary { width: 100%; justify-content: center; }

  /* Stats */
  .stats-section {
    padding: 72px 0;
    background: #fff;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .stat-card {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--light);
    transition: var(--transition);
  }
  .stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
  }
  .stat-card .num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
  }
  .stat-card .label {
    font-size: 0.85rem;
    color: var(--muted);
    margin-top: 8px;
  }
  .stat-card i {
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 14px;
  }

  /* FAQ */
  .faq-section {
    padding: 80px 0;
    background: var(--light);
  }
  .section-title {
    text-align: center;
    margin-bottom: 48px;
  }
  .section-title .sub {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
  }
  .section-title h2 {
    font-size: clamp(1.6rem, 2.8vw, 2.1rem);
    font-weight: 800;
    color: var(--dark);
    margin: 0 0 10px;
    letter-spacing: -0.02em;
  }
  .section-title p { color: var(--muted); max-width: 600px; margin: 0 auto; }
  .faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .faq-item {
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
  }
  .faq-item:hover { box-shadow: var(--shadow); border-color: var(--primary); }
  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--dark);
    cursor: pointer;
  }
  .faq-q i { color: var(--primary); font-size: 0.85rem; transition: var(--transition); }
  .faq-item.open .faq-q i { transform: rotate(45deg); }
  .faq-a {
    padding: 0 24px 18px;
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.8;
    display: none;
  }
  .faq-item.open .faq-a { display: block; }

  /* CTA */
  .cta-section {
    padding: 80px 0;
    background: #fff;
  }
  .cta-box {
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    border-radius: 28px;
    padding: 56px 48px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .cta-box::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
  }
  .cta-box::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -40px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
  }
  .cta-box h2 {
    font-size: clamp(1.5rem, 2.6vw, 2rem);
    font-weight: 800;
    margin: 0 0 12px;
    position: relative;
    z-index: 1;
  }
  .cta-box p {
    font-size: 1rem;
    opacity: 0.95;
    max-width: 560px;
    margin: 0 auto 28px;
    position: relative;
    z-index: 1;
  }
  .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: var(--primary-dark);
    font-weight: 800;
    font-size: 1rem;
    padding: 14px 36px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    position: relative;
    z-index: 1;
  }
  .cta-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.2);
  }

  /* Footer */
  .site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 64px 0 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .footer-brand .logo { color: #fff; margin-bottom: 16px; }
  .footer-brand p { font-size: 0.85rem; line-height: 1.8; max-width: 260px; }
  .footer-col h4 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 16px;
  }
  .footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
  .footer-col ul a { font-size: 0.85rem; color: rgba(255, 255, 255, 0.6); }
  .footer-col ul a:hover { color: #fbbf24; }
  .footer-contact { display: flex; flex-direction: column; gap: 12px; }
  .footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
  }
  .footer-contact-item i { color: #fbbf24; width: 18px; text-align: center; }
  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    flex-wrap: wrap;
    gap: 8px;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; }
    .sidebar { flex-direction: row; flex-wrap: wrap; }
    .sidebar-card { flex: 1 1 300px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 768px) {
    .site-header { padding: 12px 12px 0; }
    .dock-nav { padding: 8px 12px; border-radius: 18px; }
    .logo span:last-child { font-size: 0.9rem; }
    .nav-links {
      display: none;
      position: absolute;
      top: calc(100% + 8px);
      left: 0;
      right: 0;
      background: #fff;
      border-radius: 18px;
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
      padding: 12px;
      flex-direction: column;
      align-items: stretch;
      margin: 0;
      border: 1px solid var(--border);
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 12px 16px; border-radius: 12px; }
    .menu-toggle { display: flex; }
    .nav-cta .btn-primary span { display: none; }
    .nav-cta .btn-primary { padding: 10px 14px; }
    .article-banner { padding: 120px 0 55px; }
    .article-card-body { padding: 24px 20px; }
    .article-banner h1 { font-size: 1.5rem; }
    .cta-box { padding: 40px 24px; }
    .cta-btn { width: 100%; justify-content: center; }
    .footer-bottom { justify-content: center; text-align: center; }
  }
  @media (max-width: 520px) {
    .container-custom { padding: 0 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .banner-meta { gap: 10px; }
    .article-section { padding: 32px 0 56px; }
    .faq-q { padding: 15px 18px; }
  }

/* roulang page: category1 */
:root {
  --primary: #e11d48;
  --primary-dark: #be123c;
  --primary-light: #f43f5e;
  --accent: #f59e0b;
  --deep: #0f172a;
  --deep-2: #1e293b;
  --bg: #f8fafc;
  --white: #ffffff;
  --text: #1e293b;
  --text-soft: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.14);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
ul { list-style: none; }
input, select, textarea { font-family: inherit; }

.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Dock Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 16px 0;
  transition: padding 0.4s ease, background 0.4s ease;
}
.site-header.scrolled {
  padding: 8px 0;
}
.dock-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 20px;
  padding: 12px 20px;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  transition: box-shadow 0.4s ease, border-color 0.4s ease;
}
.site-header.scrolled .dock-nav {
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.12);
  border-color: rgba(255, 255, 255, 0.9);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--deep);
  white-space: nowrap;
  letter-spacing: -0.3px;
}
.logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  color: #fff;
  font-size: 16px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: 12px;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-soft);
  transition: background 0.3s ease, color 0.3s ease;
  position: relative;
}
.nav-links a:hover {
  color: var(--primary);
  background: rgba(225, 29, 72, 0.06);
}
.nav-links a.active {
  color: var(--primary);
  background: rgba(225, 29, 72, 0.1);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 10px 20px;
  border-radius: 12px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(225, 29, 72, 0.28);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(225, 29, 72, 0.35);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.25);
}
.menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--deep);
  font-size: 18px;
  transition: background 0.3s ease;
}
.menu-toggle:hover {
  background: rgba(225, 29, 72, 0.1);
  color: var(--primary);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 24px;
    right: 24px;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    display: block;
    text-align: center;
    padding: 12px 16px;
  }
  .nav-links a.active::after {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .btn-primary span {
    display: none;
  }
  .btn-primary {
    padding: 10px 14px;
  }
  .logo span:last-child {
    font-size: 0.95rem;
  }
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  padding: 180px 0 80px;
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}
.banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.72) 50%, rgba(225, 29, 72, 0.35) 100%);
  z-index: 1;
}
.page-banner .container-custom {
  position: relative;
  z-index: 2;
}
.banner-content {
  max-width: 720px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
}
.breadcrumb a:hover {
  color: #fff;
}
.breadcrumb-sep {
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
}
.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(225, 29, 72, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.banner-title {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.banner-subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 28px;
}
.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}
.banner-actions .btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 10px 20px;
  border-radius: 12px;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.banner-actions .btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.7);
}
.banner-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.banner-stat strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
}
.banner-stat span {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== Section ===== */
.section {
  padding: 80px 0;
}
.section-alt {
  background: var(--white);
}
.section-header {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(225, 29, 72, 0.08);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--deep);
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.section-desc {
  color: var(--text-soft);
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ===== Guide Cards ===== */
.guide-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226, 232, 240, 0.7);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.guide-card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.guide-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.guide-card:hover .guide-card-image img {
  transform: scale(1.05);
}
.guide-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.3px;
}
.guide-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.guide-card-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 8px;
  line-height: 1.4;
  transition: color 0.3s ease;
}
.guide-card:hover .guide-card-title {
  color: var(--primary);
}
.guide-card-desc {
  font-size: 0.875rem;
  color: var(--text-soft);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}
.guide-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  transition: gap 0.3s ease;
}
.guide-card-link:hover {
  gap: 10px;
}

/* ===== Process ===== */
.process-section {
  background: var(--deep);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(225,29,72,0.3), transparent 70%);
}
.process-section .section-title { color: #fff; }
.process-section .section-desc { color: rgba(255,255,255,0.7); }
.process-section .section-tag { background: rgba(255,255,255,0.1); color: #fff; }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
  position: relative;
  z-index: 1;
}
.process-step {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: background 0.4s ease, transform 0.4s ease;
}
.process-step:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 1.125rem;
  font-weight: 800;
  margin-bottom: 18px;
  box-shadow: 0 8px 24px rgba(225, 29, 72, 0.3);
}
.step-title {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}
.step-desc {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
}
@media (max-width: 1024px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .process-steps { grid-template-columns: 1fr; }
}

/* ===== Hot List ===== */
.hot-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}
.hot-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226, 232, 240, 0.7);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.hot-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow);
  border-color: rgba(225, 29, 72, 0.25);
}
.hot-rank {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--border);
  min-width: 48px;
  text-align: center;
  line-height: 1;
}
.hot-item:nth-child(1) .hot-rank { color: var(--accent); }
.hot-item:nth-child(2) .hot-rank { color: var(--text-light); }
.hot-item:nth-child(3) .hot-rank { color: #cd853f; }
.hot-info {
  flex: 1;
  min-width: 0;
}
.hot-info h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--deep);
  margin-bottom: 4px;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hot-info p {
  font-size: 0.8125rem;
  color: var(--text-soft);
}
.hot-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.hot-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(225, 29, 72, 0.08);
  color: var(--primary);
  white-space: nowrap;
}
.hot-live {
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  white-space: nowrap;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
@media (max-width: 768px) {
  .hot-item { flex-wrap: wrap; gap: 10px; }
  .hot-info h3 { white-space: normal; }
  .hot-meta { width: 100%; justify-content: flex-start; }
  .hot-rank { min-width: 36px; font-size: 1.25rem; }
}

/* ===== Expert ===== */
.expert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.expert-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.expert-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.expert-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(15,23,42,0.5));
  pointer-events: none;
}
.expert-content {
  padding: 20px 0;
}
.expert-content .section-tag {
  margin-bottom: 12px;
}
.expert-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}
.expert-point {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.expert-point-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(225, 29, 72, 0.08);
  color: var(--primary);
  font-size: 16px;
}
.expert-point h4 {
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 4px;
}
.expert-point p {
  font-size: 0.8125rem;
  color: var(--text-soft);
  line-height: 1.6;
}
@media (max-width: 768px) {
  .expert-grid { grid-template-columns: 1fr; gap: 24px; }
  .expert-image img { height: 260px; }
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226, 232, 240, 0.7);
  overflow: hidden;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.faq-item.open {
  box-shadow: var(--shadow);
  border-color: rgba(225, 29, 72, 0.25);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--deep);
  cursor: pointer;
  transition: color 0.3s ease;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(225, 29, 72, 0.08);
  color: var(--primary);
  font-size: 12px;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  transition: max-height 0.4s ease, padding 0.4s ease;
  color: var(--text-soft);
  font-size: 0.875rem;
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 20px 18px;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(225,29,72,0.92), rgba(15,23,42,0.86));
  z-index: 1;
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
}
.cta-content p {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 28px;
}
.cta-content .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  font-size: 1rem;
  padding: 14px 32px;
}
.cta-content .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}
.cta-note {
  margin-top: 16px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--deep);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  margin-top: 12px;
}
.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.3s ease;
}
.footer-col ul li a:hover {
  color: var(--primary-light);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
}
.footer-contact-item i {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  font-size: 13px;
  color: var(--primary-light);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
}
.footer-bottom a {
  color: rgba(255,255,255,0.7);
}
.footer-bottom a:hover {
  color: #fff;
}
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== Focus Accessibility ===== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(225, 29, 72, 0.4);
  outline-offset: 2px;
  border-radius: 8px;
}

/* roulang page: category2 */
:root {
    --primary: #F59E0B;
    --primary-dark: #D97706;
    --primary-light: #FCD34D;
    --dark: #0B1120;
    --dark-light: #111A2E;
    --dark-card: #151F36;
    --accent: #10B981;
    --text-main: #E5E7EB;
    --text-weak: #94A3B8;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
    --shadow-hover: 0 12px 40px rgba(245, 158, 11, 0.15);
    --transition-base: all 0.3s ease;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--dark);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; transition: var(--transition-base); }
  button { font-family: inherit; cursor: pointer; background: none; border: none; color: inherit; }
  input { font-family: inherit; outline: none; }
  ::selection { background: rgba(245, 158, 11, 0.3); color: #fff; }

  .container-custom { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
  .container-narrow { max-width: 1000px; margin: 0 auto; padding: 0 32px; }

  /* ===== Dock 导航 ===== */
  .site-header {
    position: fixed; top: 16px; left: 0; right: 0; z-index: 1000;
    pointer-events: none;
  }
  .site-header .container-custom { pointer-events: auto; }
  .dock-nav {
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(17, 26, 46, 0.86);
    border: 1px solid var(--border-subtle);
    border-radius: 60px;
    padding: 10px 18px 10px 24px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.45);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition-base);
  }
  .dock-nav:hover { border-color: rgba(245,158,11,0.25); }
  .logo { display: flex; align-items: center; gap: 10px; }
  .logo-icon {
    width: 38px; height: 38px; border-radius: 50%;
    background: linear-gradient(135deg, #F59E0B, #F97316);
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; color: #fff;
    box-shadow: 0 4px 16px rgba(245,158,11,0.35);
    flex-shrink: 0;
  }
  .logo span:last-child {
    font-size: 19px; font-weight: 800; letter-spacing: 0.5px;
    background: linear-gradient(90deg, #FCD34D, #F59E0B, #F97316);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
  }
  .nav-links { display: flex; align-items: center; gap: 4px; }
  .nav-links a {
    padding: 8px 18px; border-radius: 30px;
    font-size: 14px; font-weight: 500; color: var(--text-weak);
    transition: var(--transition-base);
    position: relative;
  }
  .nav-links a:hover { color: #fff; background: rgba(255,255,255,0.06); }
  .nav-links a.active {
    color: #fff;
    background: rgba(245,158,11,0.14);
  }
  .nav-links a.active::after {
    content: '';
    position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
    width: 16px; height: 2px; border-radius: 2px;
    background: linear-gradient(90deg, #F59E0B, #F97316);
  }
  .nav-cta { display: flex; align-items: center; gap: 10px; }
  .btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: linear-gradient(135deg, #F59E0B, #F97316);
    color: #fff; font-weight: 700; font-size: 14px;
    padding: 10px 20px; border-radius: 30px;
    transition: var(--transition-base);
    border: none; cursor: pointer;
    box-shadow: 0 4px 18px rgba(245,158,11,0.3);
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(245,158,11,0.4);
  }
  .btn-primary:active { transform: translateY(0); }
  .btn-primary:focus-visible { outline: 2px solid #FCD34D; outline-offset: 2px; }
  .btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.08);
    color: var(--text-main); font-weight: 600; font-size: 14px;
    padding: 10px 20px; border-radius: 30px;
    border: 1px solid var(--border-subtle);
    transition: var(--transition-base);
  }
  .btn-secondary:hover { background: rgba(255,255,255,0.14); border-color: rgba(245,158,11,0.3); }
  .menu-toggle { display: none; font-size: 20px; color: var(--text-main); padding: 8px; border-radius: 50%; }
  .menu-toggle:hover { background: rgba(255,255,255,0.08); }
  .menu-toggle:focus-visible { outline: 2px solid #FCD34D; outline-offset: 2px; }

  /* ===== Hero ===== */
  .page-hero {
    position: relative;
    padding: 180px 0 100px;
    background: linear-gradient(135deg, rgba(11,17,32,0.92), rgba(17,26,46,0.78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    overflow: hidden;
  }
  .page-hero::before {
    content: '';
    position: absolute; top: -40px; right: -40px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(245,158,11,0.15), transparent 70%);
    border-radius: 50%;
  }
  .page-hero::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245,158,11,0.4), transparent);
  }
  .page-hero-grid { position: relative; z-index: 2; }
  .hero-breadcrumb {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; color: var(--text-weak); margin-bottom: 24px;
    padding: 6px 16px; background: rgba(255,255,255,0.05);
    border-radius: 30px; border: 1px solid var(--border-subtle);
  }
  .hero-breadcrumb a { color: var(--primary-light); }
  .hero-breadcrumb a:hover { color: #fff; }

  /* ===== 通用板块 ===== */
  .section-block { padding: 88px 0; position: relative; }
  .section-block.alt-bg { background: var(--dark-light); }
  .section-block.subtle-bg { background: rgba(17, 26, 46, 0.5); }
  .section-label {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--primary); font-size: 13px; font-weight: 800;
    letter-spacing: 2px; text-transform: uppercase;
    margin-bottom: 16px;
  }
  .section-label i { font-size: 16px; }
  .section-title {
    font-size: 38px; font-weight: 800; line-height: 1.25;
    color: #fff; letter-spacing: -0.5px;
    margin-bottom: 14px;
  }
  .section-subtitle {
    font-size: 16px; color: var(--text-weak);
    max-width: 640px; line-height: 1.8;
  }
  .section-head-center { text-align: center; }
  .section-head-center .section-subtitle { margin-left: auto; margin-right: auto; }
  .section-title-warp {
    display: inline-block; position: relative;
    padding-bottom: 6px;
  }
  .section-title-warp::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 100%; height: 3px; border-radius: 3px;
    background: linear-gradient(90deg, #F59E0B, transparent);
  }

  /* ===== 功能卡片 ===== */
  .feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .feature-card {
    background: var(--dark-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px 26px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
  }
  .feature-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, #F59E0B, #F97316);
    opacity: 0; transition: var(--transition-base);
  }
  .feature-card:hover { transform: translateY(-6px); border-color: rgba(245,158,11,0.3); box-shadow: var(--shadow-hover); }
  .feature-card:hover::before { opacity: 1; }
  .feature-card-icon {
    width: 54px; height: 54px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: var(--primary);
    background: rgba(245,158,11,0.12);
    border: 1px solid rgba(245,158,11,0.15);
    margin-bottom: 20px;
  }
  .feature-card h3 { font-size: 19px; font-weight: 700; color: #fff; margin-bottom: 12px; }
  .feature-card p { font-size: 14px; color: var(--text-weak); line-height: 1.8; }
  .feature-card .feature-tag {
    display: inline-block; margin-top: 16px;
    font-size: 12px; color: var(--primary-light);
    background: rgba(245,158,11,0.08);
    padding: 4px 12px; border-radius: 20px;
    border: 1px solid rgba(245,158,11,0.12);
  }

  /* ===== 图文区块 ===== */
  .feature-detail-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
    align-items: center;
  }
  .feature-detail-media {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  }
  .feature-detail-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
  .feature-detail-media:hover img { transform: scale(1.04); }
  .feature-detail-media::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(11,17,32,0.4), transparent);
  }
  .feature-detail-content { padding: 10px 0; }
  .feature-detail-content .detail-number {
    font-size: 48px; font-weight: 900;
    background: linear-gradient(135deg, rgba(245,158,11,0.25), rgba(245,158,11,0.05));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    display: block; margin-bottom: 18px;
  }
  .feature-detail-content h3 { font-size: 28px; font-weight: 800; color: #fff; margin-bottom: 16px; }
  .feature-detail-content p { color: var(--text-weak); font-size: 15px; line-height: 1.9; margin-bottom: 16px; }
  .feature-detail-list { list-style: none; margin-top: 24px; }
  .feature-detail-list li {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 12px 0; border-bottom: 1px solid var(--border-subtle);
    font-size: 14px; color: var(--text-main);
  }
  .feature-detail-list li:last-child { border-bottom: none; }
  .feature-detail-list li i {
    color: var(--accent); font-size: 16px;
    margin-top: 3px; flex-shrink: 0;
  }

  /* ===== 数据模块 ===== */
  .stats-panel {
    background: linear-gradient(135deg, rgba(17,26,46,0.6), rgba(11,17,32,0.8)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 48px;
    position: relative;
    overflow: hidden;
  }
  .stats-panel::before {
    content: '';
    position: absolute; top: -60px; right: -60px;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(245,158,11,0.12), transparent 70%);
    border-radius: 50%;
  }
  .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .stats-item { text-align: center; padding: 24px 12px; }
  .stats-item .stats-num {
    font-size: 42px; font-weight: 900; color: #fff;
    line-height: 1.2; margin-bottom: 8px;
    background: linear-gradient(135deg, #FCD34D, #F59E0B);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  .stats-item .stats-label { font-size: 14px; color: var(--text-weak); }
  .stats-divider { width: 1px; background: var(--border-subtle); }

  /* ===== 流程模块 ===== */
  .step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
  .step-card {
    background: var(--dark-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    position: relative;
    transition: var(--transition-base);
  }
  .step-card:hover { transform: translateY(-4px); border-color: rgba(245,158,11,0.25); }
  .step-num {
    font-size: 64px; font-weight: 900; line-height: 1;
    color: rgba(245,158,11,0.12);
    position: absolute; top: 16px; right: 20px;
  }
  .step-icon {
    width: 44px; height: 44px; border-radius: 12px;
    background: rgba(245,158,11,0.1);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 18px;
    margin-bottom: 20px; border: 1px solid rgba(245,158,11,0.1);
  }
  .step-card h3 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 10px; }
  .step-card p { font-size: 14px; color: var(--text-weak); line-height: 1.8; }

  /* ===== FAQ ===== */
  .faq-wrap { max-width: 820px; margin: 0 auto; }
  .faq-list { display: flex; flex-direction: column; gap: 16px; }
  .faq-item {
    background: var(--dark-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-base);
  }
  .faq-item:hover { border-color: rgba(245,158,11,0.2); }
  .faq-item summary {
    display: flex; align-items: center; justify-content: space-between;
    cursor: pointer; padding: 22px 28px;
    font-size: 16px; font-weight: 600; color: var(--text-main);
    list-style: none; transition: var(--transition-base);
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary:hover { color: var(--primary-light); }
  .faq-item summary i { font-size: 14px; color: var(--primary); transition: transform 0.3s ease; }
  .faq-item[open] summary i { transform: rotate(180deg); }
  .faq-item[open] { border-color: rgba(245,158,11,0.25); }
  .faq-answer { padding: 0 28px 24px; font-size: 14px; color: var(--text-weak); line-height: 1.9; }

  /* ===== CTA===== */
  .cta-panel {
    position: relative;
    border-radius: 24px;
    padding: 64px 56px;
    background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(243,115,22,0.05)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    border: 1px solid rgba(245,158,11,0.25);
    overflow: hidden;
    text-align: center;
  }
  .cta-panel::before {
    content: '';
    position: absolute; inset: 0;
    background: rgba(11,17,32,0.7);
  }
  .cta-panel .cta-inner { position: relative; z-index: 2; }
  .cta-panel h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 16px; }
  .cta-panel p { font-size: 15px; color: rgba(255,255,255,0.65); max-width: 520px; margin: 0 auto 32px; line-height: 1.8; }
  .cta-panel .btn-primary { font-size: 16px; padding: 14px 36px; }
  .cta-tags { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
  .cta-tag {
    font-size: 12px; padding: 4px 14px;
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 30px; color: rgba(255,255,255,0.6);
  }

  /* ===== 页脚 ===== */
  .site-footer {
    background: #080D1A;
    border-top: 1px solid var(--border-subtle);
    padding: 64px 0 0;
  }
  .footer-grid {
    display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px; padding-bottom: 48px;
  }
  .footer-brand .logo { margin-bottom: 18px; }
  .footer-brand p { font-size: 14px; color: var(--text-weak); line-height: 1.9; max-width: 320px; }
  .footer-col h4 {
    font-size: 16px; font-weight: 700; color: #fff;
    margin-bottom: 20px; position: relative;
    padding-bottom: 10px;
  }
  .footer-col h4::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 26px; height: 2px; border-radius: 2px;
    background: var(--primary);
  }
  .footer-col ul { list-style: none; }
  .footer-col ul li { margin-bottom: 12px; }
  .footer-col ul a { font-size: 14px; color: var(--text-weak); transition: var(--transition-base); }
  .footer-col ul a:hover { color: var(--primary-light); padding-left: 5px; }
  .footer-contact { display: flex; flex-direction: column; gap: 14px; }
  .footer-contact-item { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text-weak); }
  .footer-contact-item i { color: var(--primary); font-size: 15px; width: 18px; text-align: center; }
  .footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding: 24px 0;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 12px;
  }
  .footer-bottom p { font-size: 13px; color: rgba(148,163,184,0.7); }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .container-custom { padding: 0 24px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .feature-detail-grid { gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  }

  @media (max-width: 768px) {
    .site-header { top: 12px; }
    .dock-nav { padding: 10px 14px 10px 18px; border-radius: 40px; }
    .nav-links {
      display: none;
      position: absolute; top: calc(100% + 12px); left: 0; right: 0;
      background: rgba(17,26,46,0.98);
      border: 1px solid var(--border-subtle);
      border-radius: 20px; padding: 16px; flex-direction: column;
      gap: 8px; box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    }
    .nav-links.open { display: flex; }
    .nav-links a { width: 100%; text-align: center; padding: 12px; font-size: 15px; }
    .nav-links a.active::after { display: none; }
    .nav-links a.active { background: rgba(245,158,11,0.15); }
    .menu-toggle { display: block; }
    .nav-cta .btn-primary span { display: none; }
    .nav-cta .btn-primary { width: 40px; height: 40px; padding: 0; justify-content: center; border-radius: 50%; }
    .nav-cta .btn-primary i { font-size: 16px; }

    .page-hero { padding: 150px 0 70px; }
    .section-title { font-size: 30px; }
    .section-block { padding: 64px 0; }
    .feature-detail-grid { grid-template-columns: 1fr; gap: 32px; }
    .feature-detail-media { order: -1; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-divider { display: none; }
    .stats-panel { padding: 32px 24px; }
    .step-grid { grid-template-columns: 1fr; gap: 20px; }
    .cta-panel { padding: 48px 24px; }
    .cta-panel h2 { font-size: 26px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }
  }

  @media (max-width: 520px) {
    .container-custom { padding: 0 16px; }
    .logo span:last-child { font-size: 16px; }
    .page-hero { padding: 140px 0 60px; }
    .page-hero .section-title { font-size: 28px; }
    .feature-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 2fr; gap: 16px; }
    .stats-item { padding: 16px 8px; }
    .feature-detail-content .detail-number { font-size: 36px; }
    .feature-detail-content h3 { font-size: 22px; }
    .faq-item summary { padding: 18px 20px; font-size: 15px; }
    .faq-answer { padding: 0 20px 18px; }
    .cta-panel { padding: 40px 20px; }
    .cta-panel h2 { font-size: 24px; }
    .footer-grid { gap: 28px; }
  }

  .animate-fade-up {
    opacity: 0; transform: translateY(30px);
    animation: fadeUp 0.6s ease forwards;
    animation-delay: var(--delay, 0s);
  }
  @keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
  }

  .glass-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(10px);
  }