/* roulang page: index */
/* ===== 设计变量 ===== */
  :root {
    --navy-900: #0b1b3f;
    --navy-800: #162a49;
    --navy-700: #223a5f;
    --navy-600: #2f4f7d;
    --navy-500: #426697;
    --gold-400: #d4a54a;
    --gold-500: #b59662;
    --bg-light: #f6f7fb;
    --text-main: #152033;
    --text-muted: #64748b;
    --border-light: rgba(30, 41, 59, 0.06);
    --radius-lg: 1.25rem;
    --radius-md: 0.875rem;
    --shadow-md: 0 12px 35px -8px rgba(15, 37, 87, 0.10);
    --shadow-lg: 0 24px 55px -12px rgba(15, 37, 87, 0.18);
    --shadow-hero: 0 20px 80px -20px rgba(0, 0, 0, 0.5);
  }

  /* ===== 基础 Reset ===== */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
    background: var(--bg-light);
    color: var(--text-main);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  img {
    max-width: 100%;
    display: block;
  }
  a {
    text-decoration: none;
    color: inherit;
  }
  button,
  input {
    font: inherit;
    outline: none;
  }
  ul,
  ol {
    list-style: none;
  }

  /* ===== 容器 ===== */
  .container {
    max-width: 1320px;
    margin: 0 auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  /* ===== 导航 ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(30, 41, 59, 0.07);
    box-shadow: 0 4px 20px rgba(15, 37, 87, 0.04);
  }
  .logo {
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--navy-900), var(--navy-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
  }
  .logo-dot {
    width: 8px;
    height: 8px;
    background: var(--gold-400);
    border-radius: 999px;
    display: inline-block;
    -webkit-text-fill-color: var(--gold-400);
  }
  .nav-link {
    position: relative;
    color: #334155;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.15rem;
    transition: color 0.2s;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: var(--gold-400);
    transition: width 0.3s ease;
  }
  .nav-link:hover {
    color: var(--navy-800);
  }
  .nav-link:hover::after {
    width: 100%;
  }
  .nav-link.active {
    color: var(--navy-900);
    font-weight: 600;
  }
  .nav-link.active::after {
    width: 100%;
  }
  .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    background: #f0fdf4;
    color: #16a34a;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(22, 163, 74, 0.18);
  }
  .status-badge i {
    animation: pulse-dot 2s infinite;
  }
  @keyframes pulse-dot {
    0%,
    100% {
      opacity: 1;
      transform: scale(1);
    }
    50% {
      opacity: 0.5;
      transform: scale(0.75);
    }
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.85rem 1.75rem;
    border-radius: 0.8rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
    box-shadow: 0 10px 26px -10px rgba(22, 42, 73, 0.5);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    white-space: nowrap;
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px -12px rgba(22, 42, 73, 0.55);
    background: linear-gradient(135deg, var(--navy-600), var(--navy-500));
  }
  .btn-primary:active {
    transform: translateY(0);
  }
  .btn-primary:focus-visible {
    outline: 3px solid rgba(66, 102, 151, 0.35);
    outline-offset: 2px;
  }
  .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.85rem 1.75rem;
    border-radius: 0.8rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(6px);
    transition: all 0.3s ease;
  }
  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
  }
  .btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.95rem 2.2rem;
    border-radius: 0.85rem;
    font-weight: 700;
    font-size: 1rem;
    color: var(--navy-900);
    background: linear-gradient(135deg, #e6c477, var(--gold-400));
    box-shadow: 0 12px 30px -10px rgba(212, 165, 74, 0.5);
    transition: all 0.3s ease;
  }
  .btn-gold:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 20px 45px -12px rgba(212, 165, 74, 0.6);
  }
  .btn-mobile {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border: 1px solid rgba(30, 41, 59, 0.08);
    color: var(--navy-800);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s;
  }
  .btn-mobile:hover {
    background: #edf0f5;
  }
  .mobile-link {
    display: block;
    padding: 0.8rem 0.5rem;
    font-weight: 500;
    color: #334155;
    border-bottom: 1px solid rgba(30, 41, 59, 0.05);
    transition: color 0.2s;
  }
  .mobile-link:hover {
    color: var(--navy-800);
  }
  .mobile-link.active {
    color: var(--navy-900);
    font-weight: 600;
  }

  /* ===== Hero ===== */
  .hero-section {
    position: relative;
    background-image: linear-gradient(135deg, rgba(11, 27, 63, 0.86), rgba(22, 42, 73, 0.78)), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 640px;
    display: flex;
    align-items: center;
    color: #fff;
    overflow: hidden;
  }
  .hero-section::before {
    content: '';
    position: absolute;
    top: -60%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 165, 74, 0.2), transparent 65%);
    pointer-events: none;
  }
  .hero-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(66, 102, 151, 0.35), transparent 60%);
    pointer-events: none;
  }
  .hero-inner {
    position: relative;
    z-index: 2;
    padding: 4rem 0;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 1.2rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: #f1f5f9;
  }
  .hero-badge i {
    color: var(--gold-400);
  }
  .hero-title {
    font-size: clamp(2.6rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
  }
  .hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    color: rgba(255, 255, 255, 0.85);
    max-width: 620px;
    line-height: 1.7;
    margin-bottom: 2rem;
  }
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
  }
  .hero-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
  }
  .hero-metrics div {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
  }
  .hero-metrics i {
    color: var(--gold-400);
  }

  /* ===== 数据横条 ===== */
  .stats-strip {
    position: relative;
    z-index: 3;
    margin-top: -2.5rem;
    padding-bottom: 1.5rem;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }
  .stat-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 1.6rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
  }
  .stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }
  .stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy-800), var(--navy-500));
    color: #fff;
    font-size: 1.3rem;
    flex-shrink: 0;
  }
  .stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--navy-900);
    line-height: 1.2;
  }
  .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
  }

  /* ===== 通用板块 ===== */
  .content-section {
    padding: 5.5rem 0;
  }
  .section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3.5rem;
  }
  .section-tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    border-radius: 999px;
    background: #eef2f7;
    color: var(--navy-500);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
  }
  .section-tag.light {
    background: rgba(255, 255, 255, 0.12);
    color: var(--gold-400);
  }
  .section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800;
    color: var(--navy-900);
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
  }
  .section-title.light {
    color: #fff;
  }
  .section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
  }
  .section-desc.light {
    color: rgba(255, 255, 255, 0.75);
  }

  /* ===== 图文介绍 ===== */
  .image-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid #fff;
    position: relative;
  }
  .image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .image-frame:hover img {
    transform: scale(1.03);
  }
  .feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }
  .feature-item {
    display: flex;
    gap: 1rem;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 1.3rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
  }
  .feature-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg);
  }
  .feature-item i {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gold-400), #e6c477);
    color: var(--navy-900);
    font-size: 1.1rem;
  }
  .feature-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 0.25rem;
  }
  .feature-item p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
  }

  /* ===== 分类卡片 ===== */
  .category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .category-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
  }
  .category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(212, 165, 74, 0.3);
  }
  .category-card-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
  }
  .category-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .category-card:hover .category-card-img-wrap img {
    transform: scale(1.06);
  }
  .category-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .category-card-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    align-self: flex-start;
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    background: #eef2f7;
    color: var(--navy-500);
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
  }
  .category-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 0.4rem;
  }
  .category-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
  }
  .category-card-link {
    margin-top: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--navy-600);
    font-weight: 600;
    font-size: 0.9rem;
    transition: gap 0.3s ease;
  }
  .category-card:hover .category-card-link {
    gap: 0.85rem;
    color: var(--navy-800);
  }

  /* ===== 资讯列表 ===== */
  .news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .article-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    transition: all 0.35s ease;
  }
  .article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(66, 102, 151, 0.18);
  }
  .article-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
  }
  .badge {
    display: inline-block;
    padding: 0.28rem 0.8rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #eef2f7, #e2e8f0);
    color: var(--navy-700);
    font-size: 0.75rem;
    font-weight: 600;
  }
  .article-date {
    font-size: 0.8rem;
    color: #94a3b8;
  }
  .article-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy-900);
    line-height: 1.45;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .article-excerpt {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.55;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
  }
  .article-more {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--navy-500);
    font-size: 0.88rem;
    font-weight: 600;
    transition: gap 0.3s ease;
  }
  .article-card:hover .article-more {
    gap: 0.8rem;
    color: var(--navy-800);
  }

  /* ===== 流程步骤 ===== */
  .steps-section {
    background: linear-gradient(135deg, var(--navy-900), #0f224a);
    position: relative;
    overflow: hidden;
  }
  .steps-section::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -15%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 165, 74, 0.15), transparent 65%);
  }
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 2;
  }
  .step-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    position: relative;
  }
  .step-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
  }
  .step-num {
    font-size: 2.6rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.12);
    line-height: 1;
    margin-bottom: 1.2rem;
    letter-spacing: -0.04em;
  }
  .step-card h3 {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
  }
  .step-card p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.88rem;
    line-height: 1.6;
  }
  .step-card i {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    color: rgba(212, 165, 74, 0.6);
    font-size: 1.2rem;
  }

  /* ===== 排行面板 ===== */
  .rank-panel {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
  }
  .rank-panel h2 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--navy-900);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .rank-panel h2 i {
    color: var(--gold-400);
  }
  .rank-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }
  .rank-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.1rem;
    border-radius: 0.75rem;
    background: var(--bg-light);
    border: 1px solid transparent;
    transition: all 0.25s ease;
  }
  .rank-item:hover {
    background: #fff;
    border-color: rgba(212, 165, 74, 0.25);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
  }
  .rank-num {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--gold-500);
    min-width: 2.2rem;
  }
  .rank-name {
    flex: 1;
    font-weight: 600;
    color: var(--navy-900);
    font-size: 0.95rem;
  }
  .rank-tag {
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    background: #eef2f7;
    color: var(--navy-500);
  }
  .rank-tag.hot {
    background: #fef3c7;
    color: #b45309;
  }
  .info-panel {
    background: linear-gradient(145deg, var(--navy-800), var(--navy-600));
    border-radius: var(--radius-lg);
    padding: 2.2rem;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
    position: relative;
    overflow: hidden;
  }
  .info-panel::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -20%;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(212, 165, 74, 0.15);
  }
  .info-panel h3 {
    font-size: 1.45rem;
    font-weight: 700;
  }
  .info-panel p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 0.95rem;
  }
  .info-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 0.5rem;
  }
  .info-list li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.9);
  }
  .info-list li i {
    color: var(--gold-400);
  }

  /* ===== FAQ ===== */
  .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .faq-item {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 1.5rem 1.6rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
  }
  .faq-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(66, 102, 151, 0.12);
  }
  .faq-item h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 0.5rem;
    display: flex;
    gap: 0.5rem;
  }
  .faq-item h3 i {
    color: var(--gold-400);
    font-size: 1.1rem;
    line-height: 1.4;
  }
  .faq-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
    padding-left: 1.6rem;
  }

  /* ===== CTA ===== */
  .cta-section {
    position: relative;
    background-image: linear-gradient(rgba(11, 27, 63, 0.85), rgba(22, 42, 73, 0.9)), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    padding: 6rem 0;
    text-align: center;
    color: #fff;
  }
  .cta-section h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
  }
  .cta-section p {
    max-width: 560px;
    margin: 0 auto 2rem;
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.05rem;
    line-height: 1.7;
  }
  .cta-tips {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
  }
  .cta-tip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
  }
  .cta-tip i {
    color: var(--gold-400);
  }

  /* ===== 页脚 ===== */
  .site-footer {
    background: var(--navy-900);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .footer-brand h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
  }
  .footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
    color: rgba(255, 255, 255, 0.6);
  }
  .footer-col h4 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1rem;
  }
  .footer-col a {
    display: block;
    padding: 0.3rem 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s, padding-left 0.2s;
  }
  .footer-col a:hover {
    color: var(--gold-400);
    padding-left: 4px;
  }
  .footer-col p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
  }
  .footer-bottom {
    padding: 1.5rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .category-grid,
    .news-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
  @media (max-width: 768px) {
    .content-section {
      padding: 3.5rem 0;
    }
    .hero-section {
      min-height: auto;
      background-attachment: scroll;
    }
    .hero-inner {
      padding: 3rem 0;
    }
    .faq-grid {
      grid-template-columns: 1fr;
    }
    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }
    .hero-actions .btn-primary,
    .hero-actions .btn-ghost {
      width: 100%;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 2rem;
    }
    .stats-strip {
      margin-top: -1.5rem;
    }
    .stat-card {
      padding: 1.2rem;
    }
  }
  @media (max-width: 520px) {
    .container {
      padding-left: 1rem;
      padding-right: 1rem;
    }
    .category-grid,
    .news-grid,
    .steps-grid,
    .stats-grid {
      grid-template-columns: 1fr;
    }
    .hero-metrics {
      flex-direction: column;
      gap: 0.75rem;
    }
    .section-title {
      font-size: 1.5rem;
    }
    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }
  }

  /* ===== 无障碍 ===== */
  a:focus-visible,
  button:focus-visible {
    outline: 3px solid rgba(66, 102, 151, 0.3);
    outline-offset: 2px;
  }
  .btn-primary:focus-visible,
  .btn-ghost:focus-visible,
  .btn-gold:focus-visible {
    outline-color: rgba(212, 165, 74, 0.45);
  }

/* roulang page: article */
:root {
  --brand: #1a2b4c;
  --brand-light: #27406e;
  --brand-deep: #0e1626;
  --gold: #f0b246;
  --gold-light: #f8d489;
  --bg-light: #f7f8fc;
  --bg-dark: #0e1626;
  --text-main: #1a2233;
  --text-muted: #6b7280;
  --border-light: #e6e8ef;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 12px 36px rgba(16, 24, 48, .09);
  --shadow-hover: 0 20px 48px rgba(16, 24, 48, .14);
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: #fff;
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 768px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(14, 22, 38, .92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
  color: #fff;
  letter-spacing: .5px;
  white-space: nowrap;
  transition: transform .25s ease;
}

.brand-logo:hover {
  transform: scale(1.03);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #f0b246, #e8872a);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: var(--brand-deep);
  box-shadow: 0 6px 18px rgba(240, 178, 70, .4);
}

.nav-link {
  position: relative;
  font-size: 15.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, .75);
  padding: 8px 4px;
  transition: color .2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}

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

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

.nav-link.active {
  color: #fff;
  font-weight: 600;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--brand-deep);
  background: linear-gradient(135deg, var(--gold), #e8872a);
  border-radius: 999px;
  padding: 9px 20px;
  box-shadow: 0 6px 18px rgba(240, 178, 70, .35);
  transition: transform .25s ease, box-shadow .25s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(240, 178, 70, .5);
}

.nav-cta:active {
  transform: scale(.96);
}

.mobile-nav-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  gap: 5px;
  transition: background .2s ease;
}

.mobile-nav-btn:hover {
  background: rgba(255, 255, 255, .08);
}

.mobile-nav-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

.mobile-nav-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-btn.open span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  background: rgba(14, 22, 38, .97);
  border-top: 1px solid rgba(255, 255, 255, .06);
  padding: 14px 0;
}

.mobile-nav.show {
  display: block;
}

.mobile-nav .mobile-nav-item {
  display: block;
  padding: 13px 24px;
  font-size: 16px;
  color: rgba(255, 255, 255, .85);
  border-radius: 12px;
  margin: 4px 14px;
  transition: background .2s ease, color .2s ease;
}

.mobile-nav .mobile-nav-item:hover,
.mobile-nav .mobile-nav-item.active {
  background: rgba(240, 178, 70, .12);
  color: var(--gold);
}

@media (max-width: 900px) {
  .header-inner .desktop-nav,
  .header-inner .nav-cta {
    display: none;
  }
  .mobile-nav-btn {
    display: flex;
  }
}

@media (min-width: 901px) {
  .mobile-nav,
  .mobile-nav-btn {
    display: none !important;
  }
}

.article-hero {
  position: relative;
  padding: 100px 0 100px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  background-color: var(--brand-deep);
  color: #fff;
}

.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 22, 38, .8) 0%, rgba(14, 22, 38, .55) 50%, rgba(14, 22, 38, .88) 100%);
}

.article-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
  margin-bottom: 24px;
}

.breadcrumb a:hover {
  color: var(--gold);
}

.breadcrumb .sep {
  opacity: .5;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(240, 178, 70, .18);
  border: 1px solid rgba(240, 178, 70, .45);
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 6px 16px;
  backdrop-filter: blur(6px);
  margin-bottom: 18px;
}

.article-hero h1 {
  font-size: 40px;
  line-height: 1.3;
  font-weight: 900;
  max-width: 900px;
  letter-spacing: 1px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, .35);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 26px;
  font-size: 14px;
  color: rgba(255, 255, 255, .82);
}

.article-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta .meta-sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .4);
}

@media (max-width: 640px) {
  .article-hero {
    padding: 72px 0 72px;
  }
  .article-hero h1 {
    font-size: 27px;
  }
  .breadcrumb {
    font-size: 12.5px;
  }
}

.article-main {
  padding: 60px 0 80px;
  background: var(--bg-light);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 44px;
}

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
}

.article-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.article-card-inner {
  padding: 42px;
}

@media (max-width: 640px) {
  .article-card-inner {
    padding: 26px 20px;
  }
}

.article-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 8;
  overflow: hidden;
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 22, 38, 0) 60%, rgba(14, 22, 38, .25) 100%);
}

.article-body {
  font-size: 16.5px;
  line-height: 1.9;
  color: #2a3345;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 800;
  margin: 36px 0 16px;
  color: var(--brand);
  padding-left: 16px;
  border-left: 4px solid var(--gold);
  line-height: 1.4;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--brand-light);
}

.article-body p {
  margin-bottom: 18px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 20px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body blockquote {
  border-left: 4px solid var(--gold);
  background: rgba(240, 178, 70, .08);
  padding: 18px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: #4a5568;
  font-style: italic;
}

.article-body img {
  border-radius: var(--radius-md);
  margin: 24px 0;
  box-shadow: var(--shadow-card);
}

.article-body a {
  color: var(--brand-light);
  font-weight: 600;
  border-bottom: 1px solid rgba(39, 64, 110, .3);
}

.article-body a:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  padding: 6px 15px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all .2s ease;
}

.tag:hover {
  background: rgba(240, 178, 70, .12);
  border-color: var(--gold);
  color: var(--brand);
}

.side-section {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.side-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 28px;
  border: 1px solid rgba(230, 232, 239, .6);
}

.side-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 16px;
}

.side-card-header .icon {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: rgba(240, 178, 70, .15);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.side-entry {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
}

.side-entry img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}

.side-entry .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 22, 38, .2), rgba(14, 22, 38, .85));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
  color: #fff;
}

.side-entry .overlay h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.side-entry .overlay p {
  font-size: 12.5px;
  color: rgba(255, 255, 255, .7);
}

.side-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.side-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: #3a4355;
  line-height: 1.5;
}

.side-list li i {
  color: var(--gold);
  margin-top: 3px;
  font-size: 13px;
}

.side-note {
  font-size: 14px;
  color: var(--text-muted);
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  line-height: 1.7;
}

.empty-state {
  text-align: center;
  padding: 80px 30px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.empty-state .icon-large {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(240, 178, 70, .12);
  color: var(--gold);
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.empty-state h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--brand);
  margin-bottom: 12px;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border: none;
  cursor: pointer;
  transition: all .25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), #e8872a);
  color: var(--brand-deep);
  box-shadow: 0 8px 24px rgba(240, 178, 70, .3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 34px rgba(240, 178, 70, .45);
}

.btn-primary:active {
  transform: scale(.96);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .5);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .1);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-outline-light:active {
  transform: scale(.96);
}

.faq-section {
  padding: 80px 0;
  background: #fff;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-header .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  background: rgba(240, 178, 70, .1);
  border-radius: 999px;
  padding: 6px 18px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.section-header h2 {
  font-size: 34px;
  font-weight: 900;
  color: var(--brand);
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-header p {
  font-size: 16px;
  color: var(--text-muted);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1080px;
  margin: 0 auto;
}

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

.faq-item {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 26px 28px;
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
  border-color: rgba(240, 178, 70, .5);
}

.faq-item h3 {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 10px;
  line-height: 1.5;
}

.faq-item h3 .q-icon {
  width: 26px;
  height: 26px;
  min-width: 26px;
  border-radius: 8px;
  background: rgba(240, 178, 70, .18);
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-item p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.8;
  padding-left: 38px;
}

.cta-section {
  position: relative;
  padding: 100px 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  background-color: var(--brand-deep);
  color: #fff;
  text-align: center;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(14, 22, 38, .92), rgba(39, 64, 110, .78));
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 34px;
  font-weight: 900;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, .8);
  max-width: 640px;
  margin: 0 auto 30px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

@media (max-width: 560px) {
  .cta-section h2 {
    font-size: 26px;
  }
  .cta-buttons .btn {
    width: 100%;
  }
}

.site-footer {
  background: var(--brand-deep);
  color: rgba(255, 255, 255, .75);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

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

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

.footer-brand h3 {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: .5px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .6);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  padding: 4px 0;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-col a:hover {
  color: var(--gold);
  padding-left: 4px;
}

.footer-col p {
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .55);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 22px 0;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .45);
}

@media (max-width: 560px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

.back-top {
  position: fixed;
  right: 24px;
  bottom: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #e8872a);
  color: var(--brand-deep);
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(240, 178, 70, .4);
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all .3s ease;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  transform: translateY(-4px);
}

:focus-visible {
  outline: 3px solid rgba(240, 178, 70, .6);
  outline-offset: 2px;
  border-radius: 4px;
}

/* roulang page: category1 */
:root {
      --primary: #e63e2e;
      --primary-dark: #c73429;
      --secondary: #f6a821;
      --bg: #f4f6fb;
      --surface: #ffffff;
      --night: #0d1220;
      --night-soft: #161e30;
      --text: #1b2233;
      --muted: #64708a;
      --border: #e5e9f2;
      --radius: 18px;
      --radius-lg: 28px;
      --shadow-sm: 0 6px 16px rgba(0, 0, 0, .06);
      --shadow: 0 18px 46px rgba(0, 0, 0, .09);
      --shadow-lg: 0 30px 70px rgba(0, 0, 0, .14);
      --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    button {
      border: none;
      background: none;
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(230, 62, 46, .35);
      outline-offset: 3px;
      border-radius: 8px;
    }

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

    .section {
      padding: 88px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 48px;
    }

    .section-head.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

    .section-head h2 {
      margin: 0 0 14px;
      color: var(--night);
    }

    .section-head p {
      color: var(--muted);
      font-size: 16px;
      margin: 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--primary);
      background: rgba(230, 62, 46, .1);
      padding: 7px 14px;
      border-radius: 999px;
      margin-bottom: 14px;
    }

    h1,
    h2,
    h3,
    h4 {
      line-height: 1.25;
    }

    h2 {
      font-size: clamp(26px, 3vw, 38px);
      margin: 0 0 14px;
      color: var(--night);
    }

    p {
      margin: 0 0 16px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, .85);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 6px 24px rgba(15, 23, 42, .04);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 78px;
      gap: 24px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      min-width: 0;
    }

    .logo-mark {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary), #ff8a4c);
      color: #fff;
      font-weight: 900;
      font-size: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 18px rgba(230, 62, 46, .32);
      letter-spacing: -0.5px;
    }

    .logo-text {
      font-size: 20px;
      font-weight: 900;
      color: var(--night);
      white-space: nowrap;
      letter-spacing: -0.3px;
    }

    .nav-link {
      position: relative;
      font-size: 15px;
      font-weight: 700;
      color: #3a4356;
      padding: 10px 2px;
      transition: color .2s, opacity .2s;
    }

    .nav-link:hover {
      color: var(--primary);
      opacity: .85;
    }

    .nav-link.active {
      color: var(--primary);
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 100%;
      height: 3px;
      border-radius: 99px;
      background: var(--primary);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #eef7f2;
      color: #16855a;
      border: 1px solid #bce3cf;
      font-size: 13px;
      font-weight: 700;
      padding: 8px 14px;
      border-radius: 999px;
    }

    .status-dot {
      font-size: 8px;
      color: #19bf73;
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0%,
      100% {
        opacity: 1;
      }
      50% {
        opacity: .4;
      }
    }

    .mobile-menu-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--night);
      font-size: 18px;
    }

    .mobile-menu {
      display: none;
      padding: 14px 24px 24px;
      border-top: 1px solid var(--border);
      background: #fff;
    }

    .mobile-menu.open {
      display: block;
    }

    .mobile-nav-link {
      display: block;
      padding: 12px 0;
      font-weight: 700;
      color: var(--text);
      border-bottom: 1px solid var(--border);
    }

    .mobile-nav-link.active {
      color: var(--primary);
    }

    .btn-block {
      display: flex;
      width: 100%;
      margin-top: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      border-radius: 14px;
      font-weight: 700;
      font-size: 15px;
      padding: 14px 24px;
      transition: all .25s;
      border: 0;
      cursor: pointer;
      line-height: 1.2;
    }

    .btn-sm {
      padding: 10px 18px;
      font-size: 14px;
      border-radius: 12px;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 10px 24px rgba(230, 62, 46, .32);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(230, 62, 46, .38);
    }

    .btn-ghost {
      background: transparent;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .5);
    }

    .btn-ghost:hover {
      background: rgba(255, 255, 255, .12);
      border-color: #fff;
    }

    .btn-light {
      background: #fff;
      color: var(--night);
      box-shadow: 0 10px 26px rgba(0, 0, 0, .12);
    }

    .btn-light:hover {
      background: #f3f4f6;
      transform: translateY(-2px);
    }

    .hero {
      padding: 96px 0;
      color: #fff;
      background: linear-gradient(100deg, rgba(8, 12, 24, .95) 0%, rgba(18, 28, 48, .86) 45%, rgba(10, 24, 38, .82) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 60px;
      align-items: center;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .2);
      color: #fff;
      border-radius: 999px;
      padding: 8px 16px;
      font-size: 13px;
      font-weight: 700;
      backdrop-filter: blur(6px);
    }

    .hero-content .badge {
      margin-bottom: 20px;
    }

    .hero h1 {
      font-size: clamp(36px, 5vw, 60px);
      margin: 18px 0 18px;
      font-weight: 900;
      letter-spacing: -1px;
      line-height: 1.22;
    }

    .hero-highlight {
      background: linear-gradient(90deg, #ffb347, #ff5e3a);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-content p {
      font-size: 18px;
      line-height: 1.8;
      color: rgba(255, 255, 255, .82);
      max-width: 620px;
    }

    .hero-btns {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 28px;
    }

    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      margin-top: 42px;
    }

    .hero-stat {
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: 16px;
      padding: 14px 22px;
      min-width: 130px;
      backdrop-filter: blur(8px);
    }

    .hero-stat strong {
      font-size: 22px;
      font-weight: 900;
      display: block;
      line-height: 1.3;
      color: #fff;
    }

    .hero-stat span {
      font-size: 13px;
      color: rgba(255, 255, 255, .72);
    }

    .hero-card {
      background: rgba(255, 255, 255, .1);
      border: 1px solid rgba(255, 255, 255, .18);
      backdrop-filter: blur(12px);
      border-radius: 28px;
      padding: 30px;
      box-shadow: 0 30px 60px rgba(0, 0, 0, .28);
    }

    .hero-card-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 20px;
      font-weight: 700;
      color: #fff;
    }

    .live-tag {
      background: rgba(46, 213, 115, .22);
      border: 1px solid rgba(46, 213, 115, .45);
      color: #66f0a8;
      font-size: 13px;
      padding: 4px 12px;
      border-radius: 99px;
    }

    .status-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .status-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: rgba(0, 0, 0, .2);
      border: 1px solid rgba(255, 255, 255, .08);
      border-radius: 14px;
      padding: 12px 16px;
      color: #fff;
      font-weight: 600;
    }

    .status-list i {
      color: #19bf73;
      margin-right: 8px;
    }

    .status-ok {
      color: #66f0a8;
      font-size: 14px;
      font-weight: 700;
    }

    .hero-card-foot {
      margin: 18px 0 0;
      font-size: 13px;
      color: rgba(255, 255, 255, .6);
    }

    .card-grid {
      display: grid;
      gap: 24px;
    }

    .feature-grid {
      grid-template-columns: repeat(4, 1fr);
    }

    .feature-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: transform .3s, box-shadow .3s, border-color .3s;
      position: relative;
      overflow: hidden;
    }

    .feature-card::before {
      content: "";
      position: absolute;
      inset: 0 auto auto 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      opacity: 0;
      transition: opacity .3s;
    }

    .feature-card:hover::before {
      opacity: 1;
    }

    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow);
      border-color: rgba(230, 62, 46, .25);
    }

    .feature-icon {
      width: 54px;
      height: 54px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      background: linear-gradient(135deg, rgba(230, 62, 46, .12), rgba(246, 168, 33, .14));
      color: var(--primary);
      margin-bottom: 18px;
    }

    .feature-card h3 {
      font-size: 18px;
      margin-bottom: 8px;
      color: var(--night);
    }

    .feature-card p {
      font-size: 14px;
      color: var(--muted);
      margin: 0;
      line-height: 1.7;
    }

    .entrance-section {
      background: #edf0f7;
    }

    .entrance-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .entrance-card {
      display: flex;
      flex-direction: column;
      background: #fff;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform .3s, box-shadow .3s;
    }

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

    .entrance-cover {
      position: relative;
      height: 186px;
      overflow: hidden;
      background: #eef1f6;
    }

    .entrance-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .5s ease;
    }

    .entrance-card:hover .entrance-cover img {
      transform: scale(1.04);
    }

    .card-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(13, 18, 32, .82);
      backdrop-filter: blur(4px);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .3px;
      padding: 6px 12px;
      border-radius: 99px;
    }

    .entrance-body {
      padding: 24px 26px 26px;
      display: flex;
      flex-direction: column;
      flex: 1;
      align-items: flex-start;
    }

    .entrance-body h3 {
      font-size: 20px;
      margin-bottom: 8px;
      color: var(--night);
    }

    .entrance-body p {
      font-size: 14px;
      color: var(--muted);
      margin-bottom: 18px;
      line-height: 1.75;
    }

    .entry-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 800;
      font-size: 15px;
      color: var(--primary);
      margin-top: auto;
      transition: gap .2s, color .2s;
    }

    .entry-link:hover {
      gap: 13px;
      color: var(--primary-dark);
    }

    .steps-section {
      background: #fff;
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .step-item {
      background: #f7f9fd;
      border-radius: 20px;
      padding: 30px 26px;
      border: 1px solid var(--border);
      transition: transform .3s, box-shadow .3s;
      position: relative;
    }

    .step-item:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
    }

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary), #ff8a4c);
      color: #fff;
      font-weight: 900;
      font-size: 16px;
      margin-bottom: 18px;
      box-shadow: 0 10px 20px rgba(230, 62, 46, .22);
    }

    .step-item h3 {
      font-size: 16px;
      margin-bottom: 8px;
      color: var(--night);
    }

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

    .notice-panel {
      background: var(--night);
      border-radius: 32px;
      padding: 56px;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: center;
      color: #fff;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }

    .notice-panel::before {
      content: "";
      position: absolute;
      top: -120px;
      right: -80px;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(230, 62, 46, .35), transparent 60%);
    }

    .notice-copy h2 {
      color: #fff;
      margin-bottom: 14px;
    }

    .notice-copy p {
      color: rgba(255, 255, 255, .68);
      margin: 0;
    }

    .notice-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .notice-list li {
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: 16px;
      padding: 14px 16px;
      font-size: 14px;
      line-height: 1.65;
      color: rgba(255, 255, 255, .88);
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }

    .notice-list i {
      color: #ffb347;
      margin-top: 4px;
    }

    .faq-section {
      background: #f1f3f9;
    }

    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: #fff;
      border-radius: 18px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: box-shadow .3s;
    }

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

    .faq-item summary {
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      list-style: none;
      padding: 22px 26px;
      font-size: 17px;
      font-weight: 700;
      color: var(--night);
    }

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

    .faq-item summary i {
      color: var(--primary);
      transition: transform .3s;
    }

    .faq-item[open] summary i {
      transform: rotate(45deg);
    }

    .faq-item p {
      margin: 0;
      padding: 0 26px 24px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
    }

    .cta-section {
      padding: 40px 0 100px;
    }

    .cta-panel {
      background: linear-gradient(120deg, rgba(230, 62, 46, .92), rgba(246, 168, 33, .86)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
      border-radius: 32px;
      padding: 70px 50px;
      text-align: center;
      color: #fff;
      box-shadow: 0 30px 70px rgba(230, 62, 46, .35);
    }

    .cta-panel h2 {
      color: #fff;
      font-size: clamp(26px, 4vw, 38px);
      margin: 18px 0 14px;
    }

    .cta-panel p {
      color: rgba(255, 255, 255, .86);
      font-size: 16px;
    }

    .cta-btns {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      justify-content: center;
      margin-top: 26px;
    }

    .site-footer {
      background: #0c111d;
      color: #aab3c5;
      padding: 60px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
      gap: 40px;
      padding-bottom: 40px;
    }

    .footer-brand h3 {
      color: #fff;
      font-size: 22px;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: #9ca7bd;
      margin: 0;
    }

    .footer-col h4 {
      color: #fff;
      margin-bottom: 16px;
      font-size: 16px;
    }

    .footer-col a {
      display: block;
      color: #9ca7bd;
      padding: 5px 0;
      font-size: 14px;
      transition: color .2s;
    }

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

    .footer-col p {
      font-size: 14px;
      color: #9ca7bd;
      line-height: 1.8;
      margin: 0;
    }

    .footer-bottom {
      border-top: 1px solid #222b3e;
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      font-size: 14px;
      color: #7e8aa2;
    }

    @media (max-width: 1024px) {
      .hero {
        padding: 72px 0;
      }

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

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

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

      .notice-panel {
        grid-template-columns: 1fr;
        padding: 44px 32px;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 64px 0;
      }

      .header-inner {
        height: 68px;
      }

      .logo-text {
        font-size: 17px;
      }

      .status-pill {
        display: none;
      }

      .header-actions .btn-primary {
        display: none;
      }

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

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

      .hero-stats {
        gap: 12px;
      }

      .hero-stat {
        min-width: 105px;
        padding: 12px 16px;
      }

      .cta-panel {
        padding: 46px 26px;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 18px;
      }

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

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

      .hero-content p {
        font-size: 16px;
      }

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

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

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

      .footer-bottom {
        flex-direction: column;
        gap: 6px;
        text-align: center;
      }

      .btn-light {
        width: 100%;
      }
    }