/* roulang page: index */
:root {
    --bg-base: #071021;
    --bg-section: #0A1730;
    --bg-hover: #13243F;
    --bg-footer: #050B18;
    --gold: #C5A059;
    --gold-light: #D6B36A;
    --accent: #2DD4BF;
    --text-primary: #F1F5F9;
    --text-secondary: rgba(241, 245, 249, 0.75);
    --text-muted: rgba(241, 245, 249, 0.45);
    --border-glass: rgba(255, 255, 255, 0.10);
    --border-glass-inner: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 10px;
    --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 0 20px rgba(45, 212, 191, 0.45);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  .site-container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .section {
    padding: 100px 0;
    position: relative;
  }

  .section-heading {
    margin-bottom: 48px;
  }

  .section-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--gold-light);
    background: rgba(198, 160, 89, 0.12);
    border: 1px solid rgba(198, 160, 89, 0.25);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
  }

  .section-title {
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin: 0 0 16px;
  }

  .section-desc {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.75;
    margin: 0;
  }

  .section-heading.center {
    text-align: center;
  }

  .section-heading.center .section-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .glass-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: var(--radius-lg);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 12px 32px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  }

  /* Header */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 72px;
    background: rgba(7, 16, 33, 0.72);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .logo-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #C5A059, #2DD4BF);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 18px;
    color: #071021;
  }

  .logo-text {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -0.02em;
    white-space: nowrap;
  }

  .main-nav {
    display: flex;
    gap: 32px;
    flex: 1;
    justify-content: center;
  }

  .nav-link {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    padding: 8px 4px;
    position: relative;
    transition: color 0.2s ease;
    white-space: nowrap;
  }

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

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

  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gold-light);
    border-radius: 2px;
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }

  .search-box {
    position: relative;
  }

  .search-box input {
    width: 180px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    padding: 8px 14px 8px 36px;
    font-size: 13px;
    color: #ffffff;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .search-box input::placeholder {
    color: rgba(255, 255, 255, 0.35);
  }

  .search-box input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2);
  }

  .search-box .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: rgba(255, 255, 255, 0.4);
    pointer-events: none;
  }

  .btn-login {
    padding: 8px 22px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    background: transparent;
    color: rgba(255, 255, 255, 0.85);
    transition: all 0.2s ease;
    cursor: pointer;
    white-space: nowrap;
  }

  .btn-login:hover {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 28px;
    background: var(--accent);
    color: #071021;
    font-weight: 700;
    font-size: 15px;
    border-radius: 999px;
    box-shadow: 0 0 20px rgba(45, 212, 191, 0.45);
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    white-space: nowrap;
  }

  .btn-primary:hover {
    background: #5EEAD4;
    transform: translateY(-2px);
    box-shadow: 0 4px 28px rgba(45, 212, 191, 0.6);
  }

  .btn-primary:active {
    transform: translateY(0) scale(0.98);
  }

  .btn-large {
    padding: 16px 44px;
    font-size: 17px;
  }

  .btn-glass {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 15px;
    border-radius: 999px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.2s ease;
    white-space: nowrap;
  }

  .btn-glass:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.35);
  }

  /* Mobile menu */
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    z-index: 1100;
  }

  .hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  .mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 320px;
    max-width: 85vw;
    background: rgba(7, 16, 33, 0.94);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    padding: 100px 32px 40px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 1050;
  }

  .mobile-menu.open {
    transform: translateX(0);
  }

  .mobile-menu a {
    padding: 14px 12px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 12px;
    color: rgba(255, 255, 255, 0.85);
    transition: background 0.2s ease, color 0.2s ease;
  }

  .mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
  }

  .mobile-menu .btn-primary {
    margin-top: 24px;
  }

  /* Hero */
  .hero {
    min-height: 92vh;
    max-height: 1080px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding: 120px 20px 80px;
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-image: url('/assets/images/backpic/back-1.webp');
  }

  .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7, 16, 33, 0.80) 0%, rgba(10, 23, 48, 0.50) 100%);
  }

  .hero-content {
    position: relative;
    z-index: 1;
  }

  .hero-title {
    font-size: clamp(36px, 5vw, 52px);
    line-height: 1.15;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin: 0 0 24px;
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
  }

  .hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255, 255, 255, 0.80);
    max-width: 720px;
    margin: 0 auto 40px;
  }

  .hero-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.2em;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1;
    animation: bounce 2s infinite;
  }

  @keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 8px); }
  }

  /* Services */
  .services-section {
    background: linear-gradient(180deg, #071021 0%, #0A1730 100%);
  }

  .service-item {
    padding: 32px;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  }

  .service-item:hover {
    transform: translateY(-4px);
    border-color: rgba(45, 212, 191, 0.3);
    background: rgba(255, 255, 255, 0.08);
  }

  .service-item .service-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--gold-light);
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    display: block;
  }

  .service-item h3 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
  }

  .service-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.75;
    margin: 0;
  }

  /* Rewards */
  .rewards-section {
    background: #0A1730;
  }

  .reward-card {
    padding: 32px 24px;
    text-align: center;
    border-radius: var(--radius-lg);
    transition: transform 0.2s ease, border-color 0.2s ease;
  }

  .reward-card:hover {
    transform: translateY(-4px);
    border-color: rgba(198, 160, 89, 0.4);
  }

  .gold-number {
    font-size: clamp(32px, 4vw, 42px);
    font-weight: 900;
    color: var(--gold-light);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
  }

  .reward-card .label {
    font-size: 14px;
    color: var(--text-secondary);
  }

  .reward-visual {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
  }

  /* Timeline */
  .process-section {
    background: linear-gradient(180deg, #0A1730 0%, #071021 100%);
  }

  .timeline {
    position: relative;
    margin-top: 40px;
  }

  @media (min-width: 768px) {
    .timeline::before {
      content: '';
      position: absolute;
      top: 68px;
      left: 8%;
      right: 8%;
      height: 2px;
      background: linear-gradient(90deg, rgba(45, 212, 191, 0.5), rgba(255, 255, 255, 0.08));
    }
  }

  .timeline-step {
    position: relative;
    text-align: center;
    padding: 40px 20px 24px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: transform 0.2s ease, border-color 0.2s ease;
  }

  .timeline-step:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.16);
  }

  .timeline-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin: 0 auto 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.4);
  }

  .timeline-step.done .timeline-icon {
    background: var(--accent);
    color: #071021;
    border-color: var(--accent);
  }

  .timeline-step.current .timeline-icon {
    border: 2px solid var(--accent);
    box-shadow: 0 0 20px rgba(45, 212, 191, 0.5);
    animation: glowPulse 2s infinite;
    color: var(--accent);
  }

  @keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(45, 212, 191, 0.5); }
    50% { box-shadow: 0 0 34px rgba(45, 212, 191, 0.8); }
  }

  .timeline-step h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 8px;
  }

  .timeline-step p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0 0 12px;
  }

  .timeline-step .status {
    display: inline-block;
    font-size: 12px;
    border-radius: 999px;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: rgba(255, 255, 255, 0.6);
  }

  .timeline-step.done .status {
    color: var(--accent);
    border-color: rgba(45, 212, 191, 0.3);
    background: rgba(45, 212, 191, 0.1);
  }

  .timeline-step.current .status {
    color: var(--gold-light);
    border-color: rgba(198, 160, 89, 0.3);
    background: rgba(198, 160, 89, 0.1);
  }

  /* CTA */
  .cta-section {
    padding: 100px 0;
    position: relative;
    background-size: cover;
    background-position: center;
    background-image: url('/assets/images/backpic/back-2.png');
  }

  .cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(7, 16, 33, 0.82);
  }

  .cta-inner {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 24px;
    padding: 64px 40px;
    text-align: center;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
  }

  .cta-inner h2 {
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin: 0 0 12px;
  }

  .cta-inner p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0 0 32px;
  }

  .cta-secondary-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color 0.2s ease;
  }

  .cta-secondary-link:hover {
    color: var(--gold-light);
  }

  /* News */
  .news-section {
    background: #071021;
  }

  .view-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    padding: 8px 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    transition: all 0.2s ease;
  }

  .view-more:hover {
    color: var(--gold-light);
    border-color: rgba(198, 160, 89, 0.4);
    background: rgba(198, 160, 89, 0.06);
  }

  .news-card {
    display: block;
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .news-card:hover {
    transform: translateY(-4px);
    border-color: rgba(45, 212, 191, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(45, 212, 191, 0.1);
  }

  .news-thumb {
    height: 180px;
    background-size: cover;
    background-position: center;
    background-color: #13243F;
    position: relative;
  }

  .news-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(7, 16, 33, 0.4) 100%);
  }

  .news-title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
    margin: 0 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-summary {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-time {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
  }

  .category-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--gold-light);
    background: rgba(198, 160, 89, 0.12);
    border: 1px solid rgba(198, 160, 89, 0.20);
    border-radius: 999px;
    padding: 4px 12px;
  }

  .read-more {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
  }

  .empty-state {
    text-align: center;
    padding: 80px 24px;
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
  }

  .empty-state p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
  }

  .empty-illustration {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.6;
  }

  /* FAQ */
  .faq-section {
    background: #0A1730;
  }

  .faq-list {
    margin-top: 40px;
  }

  .faq-item {
    margin-bottom: 12px;
    border-radius: 14px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: border-color 0.2s ease;
  }

  .faq-item.open {
    border-color: rgba(198, 160, 89, 0.3);
  }

  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.92);
    transition: background 0.2s ease;
  }

  .faq-question:hover {
    background: rgba(255, 255, 255, 0.04);
  }

  .faq-icon {
    font-size: 20px;
    font-weight: 400;
    color: var(--gold-light);
    transition: transform 0.3s ease;
    line-height: 1;
    flex-shrink: 0;
  }

  .faq-item.open .faq-icon {
    transform: rotate(45deg);
  }

  .faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s ease;
  }

  .faq-answer > div {
    overflow: hidden;
  }

  .faq-item.open .faq-answer {
    grid-template-rows: 1fr;
  }

  .faq-answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.75;
    margin: 0;
  }

  /* Contact */
  .contact-section {
    background: #071021;
  }

  .contact-info-list {
    list-style: none;
    padding: 0;
    margin: 32px 0 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .contact-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
  }

  .contact-info-list .info-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.10);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--gold-light);
  }

  .contact-form {
    padding: 32px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
  }

  .form-group {
    margin-bottom: 16px;
  }

  .form-group label {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 6px;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 14px;
    color: #ffffff;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .form-group input::placeholder,
  .form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
  }

  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
  }

  .form-group select {
    appearance: auto;
    cursor: pointer;
  }

  .form-group option {
    color: #071021;
    background: #ffffff;
  }

  /* Footer */
  .site-footer {
    background: #050B18;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 80px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .footer-brand .logo-brand {
    margin-bottom: 16px;
  }

  .footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    margin: 0;
    max-width: 320px;
  }

  .footer-title {
    font-size: 14px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 20px;
    letter-spacing: 0.02em;
  }

  .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    transition: color 0.2s ease;
  }

  .footer-links a:hover {
    color: var(--gold-light);
  }

  .footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
  }

  /* Reveal animation */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  @media (max-width: 1024px) {
    .main-nav {
      gap: 20px;
    }

    .search-box input {
      width: 140px;
    }

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

  @media (max-width: 768px) {
    .section {
      padding: 60px 0;
    }

    .site-header {
      height: 64px;
    }

    .header-inner {
      height: 64px;
    }

    .main-nav,
    .search-box {
      display: none;
    }

    .header-actions {
      gap: 8px;
    }

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

    .hamburger {
      display: flex;
    }

    .hero {
      padding: 96px 20px 64px;
    }

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

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

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

    .cta-inner {
      padding: 48px 24px;
    }
  }

  @media (max-width: 480px) {
    .site-container {
      padding-left: 16px;
      padding-right: 16px;
    }

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

    .timeline::before {
      display: none;
    }

    .hero-buttons {
      flex-direction: column;
      align-items: center;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-glass {
      width: 100%;
      max-width: 280px;
    }
  }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
    :root {
      --bg-primary: #071021;
      --bg-section: #0A1730;
      --bg-card: rgba(255,255,255,0.05);
      --bg-card-hover: #13243F;
      --border-glass: rgba(255,255,255,0.10);
      --border-inner: rgba(255,255,255,0.08);
      --gold: #C5A059;
      --gold-light: #D6B36A;
      --action: #2DD4BF;
      --text-primary: #F1F5F9;
      --text-secondary: rgba(241,245,249,0.75);
      --text-muted: rgba(241,245,249,0.55);
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 10px;
      --shadow-card: 0 12px 32px rgba(0,0,0,0.45);
      --shadow-glow: 0 0 20px rgba(45,212,191,0.45);
      --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

    /* ===== 基础 Reset ===== */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }

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

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

    /* ===== 导航 ===== */
    .header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: 72px;
      background: rgba(7,16,33,0.72);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      gap: 32px;
    }

    .logo-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .logo-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
      color: #071021;
      font-size: 18px;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(197,160,89,0.35);
    }

    .logo-text {
      font-size: 20px;
      font-weight: 900;
      letter-spacing: -0.02em;
      color: var(--text-primary);
      white-space: nowrap;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1;
      justify-content: center;
    }

    .main-nav .nav-link {
      position: relative;
      padding: 10px 16px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      border-radius: 8px;
      transition: all 0.2s ease;
    }

    .main-nav .nav-link:hover {
      color: var(--text-primary);
      background: rgba(255,255,255,0.06);
    }

    .main-nav .nav-link.active {
      color: var(--gold-light);
    }

    .main-nav .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 2px;
      left: 50%;
      transform: translateX(-50%);
      width: 20px;
      height: 2px;
      border-radius: 2px;
      background: var(--gold);
      box-shadow: 0 0 8px rgba(197,160,89,0.5);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .header-search {
      display: flex;
      align-items: center;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 20px;
      padding: 6px 6px 6px 14px;
      height: 36px;
      width: 180px;
      transition: all 0.2s ease;
    }

    .header-search:focus-within {
      border-color: var(--gold);
      box-shadow: 0 0 12px rgba(197,160,89,0.2);
      width: 210px;
    }

    .header-search i {
      font-size: 13px;
      color: var(--text-muted);
      margin-right: 8px;
    }

    .header-search input {
      flex: 1;
      min-width: 0;
      font-size: 13px;
      background: transparent;
      color: var(--text-primary);
    }

    .header-search input::placeholder {
      color: var(--text-muted);
    }

    .btn-outline {
      height: 36px;
      padding: 0 16px;
      border-radius: 18px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-primary);
      border: 1px solid rgba(255,255,255,0.2);
      background: transparent;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      cursor: pointer;
      transition: all 0.2s ease;
      white-space: nowrap;
    }

    .btn-outline:hover {
      border-color: var(--gold);
      color: var(--gold-light);
    }

    .btn-primary {
      height: 40px;
      padding: 0 20px;
      border-radius: 20px;
      font-size: 14px;
      font-weight: 600;
      color: #071021;
      background: var(--action);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
      transition: all 0.2s ease;
      box-shadow: var(--shadow-glow);
      white-space: nowrap;
    }

    .btn-primary:hover {
      background: #6EE7DE;
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(45,212,191,0.6);
    }

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

    /* 移动端菜单按钮 */
    .menu-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: 8px;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
    }

    .menu-toggle i {
      font-size: 18px;
      color: var(--text-primary);
    }

    /* 移动端抽屉面板 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(7,16,33,0.92);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      z-index: 99;
      padding: 24px;
      flex-direction: column;
      gap: 8px;
    }

    .mobile-drawer.open {
      display: flex;
    }

    .mobile-drawer .nav-link {
      display: flex;
      align-items: center;
      min-height: 44px;
      padding: 12px 16px;
      font-size: 16px;
      font-weight: 500;
      color: var(--text-secondary);
      border-radius: 10px;
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .mobile-drawer .nav-link.active {
      color: var(--gold-light);
      background: rgba(197,160,89,0.12);
    }

    .mobile-drawer .drawer-actions {
      display: flex;
      gap: 12px;
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid rgba(255,255,255,0.1);
    }

    /* ===== 分类页页头横幅 ===== */
    .page-banner {
      position: relative;
      min-height: 240px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 64px 24px;
      background: linear-gradient(rgba(7,16,33,0.85), rgba(7,16,33,0.70)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      overflow: hidden;
    }

    .page-banner::before {
      content: '';
      position: absolute;
      top: -80px;
      right: 10%;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(45,212,191,0.18) 0%, transparent 70%);
      pointer-events: none;
    }

    .page-banner h1 {
      font-size: 42px;
      font-weight: 900;
      letter-spacing: -0.02em;
      line-height: 1.25;
      color: var(--text-primary);
      margin-bottom: 16px;
    }

    .page-banner h1 .highlight {
      color: var(--gold-light);
    }

    .page-banner p {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 640px;
      margin: 0 auto;
      line-height: 1.75;
    }

    /* ===== 通用板块 ===== */
    .section {
      padding: 100px 0;
    }

    .section-alt {
      background: var(--bg-section);
    }

    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-header .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(197,160,89,0.12);
      color: var(--gold-light);
      border: 1px solid rgba(197,160,89,0.25);
      border-radius: 20px;
      font-size: 13px;
      font-weight: 500;
      margin-bottom: 16px;
    }

    .section-header h2 {
      font-size: 32px;
      font-weight: 900;
      letter-spacing: -0.02em;
      line-height: 1.3;
      color: var(--text-primary);
    }

    .section-header p {
      font-size: 15px;
      color: var(--text-secondary);
      max-width: 560px;
      margin: 12px auto 0;
    }

    /* ===== 功能卡片 ===== */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-lg);
      padding: 32px;
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      box-shadow: var(--shadow-card), inset 0 1px 0 var(--border-inner);
      transition: all 0.3s ease;
    }

    .feature-card:hover {
      background: var(--bg-card-hover);
      transform: translateY(-4px);
      border-color: rgba(197,160,89,0.3);
    }

    .feature-card .feature-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(45,212,191,0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }

    .feature-card .feature-icon i {
      font-size: 20px;
      color: var(--action);
    }

    .feature-card h3 {
      font-size: 20px;
      font-weight: 700;
      letter-spacing: -0.01em;
      color: var(--text-primary);
      margin-bottom: 12px;
    }

    .feature-card p {
      font-size: 14px;
      line-height: 1.75;
      color: var(--text-secondary);
    }

    /* ===== 内容卡片 ===== */
    .content-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .content-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-lg);
      overflow: hidden;
      backdrop-filter: blur(16px);
      transition: all 0.3s ease;
      box-shadow: var(--shadow-card), inset 0 1px 0 var(--border-inner);
    }

    .content-card:hover {
      transform: translateY(-6px);
      border-color: rgba(197,160,89,0.4);
      box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 24px rgba(197,160,89,0.15);
    }

    .content-card .card-image {
      position: relative;
      height: 200px;
      overflow: hidden;
    }

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

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

    .content-card .card-body {
      padding: 24px;
    }

    .content-card .card-tag {
      display: inline-flex;
      padding: 4px 12px;
      background: rgba(197,160,89,0.15);
      border: 1px solid rgba(197,160,89,0.3);
      color: var(--gold-light);
      border-radius: 16px;
      font-size: 12px;
      font-weight: 500;
      margin-bottom: 12px;
    }

    .content-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.4;
      color: var(--text-primary);
    }

    .content-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 500;
      color: var(--action);
    }

    .card-link i {
      transition: transform 0.2s ease;
    }

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

    /* ===== 流程步骤 ===== */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .process-step {
      text-align: center;
      padding: 32px 16px;
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-lg);
      backdrop-filter: blur(16px);
      box-shadow: var(--shadow-card), inset 0 1px 0 var(--border-inner);
      transition: all 0.3s ease;
    }

    .process-step:hover {
      transform: translateY(-4px);
      border-color: rgba(45,212,191,0.3);
    }

    .process-step .step-num {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: rgba(45,212,191,0.15);
      border: 2px solid var(--action);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 700;
      color: var(--action);
      margin: 0 auto 16px;
      box-shadow: 0 0 16px rgba(45,212,191,0.3);
    }

    .process-step h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-primary);
    }

    .process-step p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ===== 数据卡 ===== */
    .stats-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .stat-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      text-align: center;
      backdrop-filter: blur(16px);
      box-shadow: var(--shadow-card), inset 0 1px 0 var(--border-inner);
      transition: all 0.3s ease;
    }

    .stat-card:hover {
      border-color: rgba(197,160,89,0.35);
      transform: translateY(-3px);
    }

    .stat-card .stat-num {
      font-size: 36px;
      font-weight: 900;
      background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1.2;
      margin-bottom: 8px;
    }

    .stat-card .stat-label {
      font-size: 14px;
      color: var(--text-secondary);
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      overflow: hidden;
      backdrop-filter: blur(16px);
      transition: all 0.3s ease;
      box-shadow: inset 0 1px 0 var(--border-inner);
    }

    .faq-item:hover {
      border-color: rgba(197,160,89,0.3);
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      cursor: pointer;
      text-align: left;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-primary);
    }

    .faq-question .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(197,160,89,0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 14px;
      color: var(--gold-light);
      transition: transform 0.3s ease;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.75;
      opacity: 0.75;
    }

    /* ===== CTA ===== */
    .cta-section {
      position: relative;
      text-align: center;
      padding: 80px 32px;
      background: linear-gradient(rgba(7,16,33,0.88), rgba(7,16,33,0.78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      border-radius: 24px;
      overflow: hidden;
    }

    .cta-section::after {
      content: '';
      position: absolute;
      bottom: -60px;
      left: -60px;
      width: 240px;
      height: 240px;
      background: radial-gradient(circle, rgba(197,160,89,0.15) 0%, transparent 70%);
      pointer-events: none;
    }

    .cta-section h2 {
      font-size: 32px;
      font-weight: 900;
      margin-bottom: 16px;
      color: var(--text-primary);
      letter-spacing: -0.02em;
    }

    .cta-section p {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 520px;
      margin: 0 auto 32px;
    }

    .cta-section .btn-primary {
      height: 48px;
      padding: 0 36px;
      font-size: 16px;
      border-radius: 24px;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: #050B18;
      padding: 64px 0 32px;
      border-top: 1px solid rgba(255,255,255,0.06);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 40px;
    }

    .footer-brand .logo-brand {
      margin-bottom: 16px;
    }

    .footer-brand p {
      font-size: 14px;
      color: rgba(255,255,255,0.55);
      line-height: 1.8;
      max-width: 320px;
    }

    .footer-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links li {
      font-size: 14px;
      color: rgba(255,255,255,0.55);
      line-height: 1.9;
    }

    .footer-links a {
      color: #fff;
      transition: all 0.2s ease;
    }

    .footer-links a:hover {
      color: var(--gold-light);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: rgba(255,255,255,0.4);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .feature-grid,
      .content-cards {
        grid-template-columns: repeat(2, 1fr);
      }

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

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

      .header-search {
        display: none;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 72px 0;
      }

      .header {
        height: 64px;
      }

      .header-inner {
        gap: 16px;
      }

      .main-nav {
        display: none;
      }

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

      .menu-toggle {
        display: flex;
      }

      .page-banner {
        min-height: 200px;
        padding: 48px 20px;
      }

      .page-banner h1 {
        font-size: 30px;
      }

      .feature-grid,
      .content-cards,
      .process-steps,
      .stats-row {
        grid-template-columns: 1fr;
      }

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

      .section-header h2 {
        font-size: 26px;
      }

      .cta-section h2 {
        font-size: 26px;
      }

      .cta-section {
        padding: 56px 20px;
      }
    }

    @media (max-width: 520px) {
      .site-container {
        padding: 0 16px;
      }

      .header-inner {
        padding: 0 16px;
      }

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

      .page-banner h1 {
        font-size: 26px;
      }

      .page-banner p {
        font-size: 14px;
      }

      .cta-section {
        padding: 40px 16px;
      }

      .cta-section h2 {
        font-size: 22px;
      }

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

/* roulang page: article */
:root {
            --bg-base: #071021;
            --bg-panel: #0A1730;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-hover: #13243F;
            --gold: #C5A059;
            --gold-light: #D6B36A;
            --teal: #2DD4BF;
            --text-main: #F1F5F9;
            --text-body: rgba(255, 255, 255, 0.82);
            --text-muted: rgba(255, 255, 255, 0.45);
            --border-weak: rgba(255, 255, 255, 0.08);
            --border-line: rgba(255, 255, 255, 0.11);
            --radius-xl: 16px;
            --radius-lg: 14px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.45);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg-base);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

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

        .site-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--teal);
            color: #071021;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 999px;
            box-shadow: 0 0 20px rgba(45, 212, 191, 0.45);
            transition: all 0.2s ease;
            text-align: center;
            line-height: 1.2;
            border: none;
        }

        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(45, 212, 191, 0.7);
            transform: translateY(-2px);
            color: #071021;
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: 999px;
            border: 1px solid var(--border-line);
            transition: all 0.2s ease;
            line-height: 1.2;
        }

        .btn-outline:hover {
            border-color: var(--gold-light);
            color: var(--gold-light);
            background: rgba(197, 160, 89, 0.08);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 16, 33, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-weak);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #C5A059, #2DD4BF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #071021;
            font-weight: 900;
            font-size: 18px;
            box-shadow: 0 0 12px rgba(197, 160, 89, 0.4);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-main);
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.65);
            transition: all 0.2s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: var(--gold-light);
            background: rgba(197, 160, 89, 0.12);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--gold-light);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-weak);
            border-radius: 999px;
            padding: 0 16px;
            height: 40px;
            width: 190px;
            transition: all 0.2s ease;
        }

        .search-box:focus-within {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
        }

        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 13px;
            width: 100%;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-icon {
            color: var(--text-muted);
            margin-right: 8px;
            display: flex;
            flex-shrink: 0;
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            border: 1px solid var(--border-line);
            transition: all 0.2s ease;
        }

        .hamburger:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(7, 16, 33, 0.92);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-bottom: 1px solid var(--border-line);
            padding: 16px 24px 32px;
            transform: translateY(-16px);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

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

        .mobile-drawer .drawer-link {
            display: block;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 8px;
            min-height: 44px;
        }

        .mobile-drawer .drawer-link:hover,
        .mobile-drawer .drawer-link.active {
            background: rgba(255, 255, 255, 0.08);
            color: var(--gold-light);
        }

        .mobile-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-weak);
            border-radius: 999px;
            padding: 0 16px;
            height: 44px;
            margin-bottom: 16px;
        }

        .mobile-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 100%;
        }

        .mobile-search input::placeholder {
            color: var(--text-muted);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            padding: 96px 0 20px;
            border-bottom: 1px solid var(--border-weak);
        }

        .breadcrumb-bar a {
            color: var(--text-muted);
            font-size: 13px;
            transition: color 0.2s ease;
        }

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

        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 10px;
            font-size: 13px;
        }

        .breadcrumb-current {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: inline-block;
            vertical-align: bottom;
        }

        /* ===== Article Layout ===== */
        .article-main {
            padding: 36px 0 100px;
        }

        .article-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 350px;
            gap: 48px;
            align-items: start;
        }

        .article-main-col {
            min-width: 0;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-xl);
            padding: 40px 44px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .article-header {
            margin-bottom: 32px;
            border-bottom: 1px solid var(--border-weak);
            padding-bottom: 32px;
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(197, 160, 89, 0.15);
            color: var(--gold-light);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
            border: 1px solid rgba(197, 160, 89, 0.2);
        }

        .article-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.02em;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            color: var(--text-muted);
            font-size: 13px;
        }

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

        /* ===== Article Body ===== */
        .article-body {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
        }

        .article-body > *:last-child {
            margin-bottom: 0;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 32px 0 16px;
            letter-spacing: -0.01em;
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: #FFFFFF;
            margin: 24px 0 12px;
            line-height: 1.4;
        }

        .article-body p {
            margin-bottom: 1.4em;
        }

        .article-body img {
            border-radius: var(--radius-lg);
            margin: 24px 0;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        }

        .article-body blockquote {
            border-left: 3px solid var(--gold);
            padding: 4px 20px;
            margin: 24px 0;
            color: rgba(255, 255, 255, 0.65);
            font-style: italic;
            background: rgba(197, 160, 89, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }

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

        .article-body ul li::marker {
            color: var(--gold-light);
        }

        .article-body a {
            color: var(--teal);
            border-bottom: 1px solid rgba(45, 212, 191, 0.3);
        }

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

        /* ===== Not Found ===== */
        .article-not-found {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-xl);
        }

        .article-not-found h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            color: #FFF;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 32px;
        }

        /* ===== Related Section ===== */
        .related-section {
            margin-top: 48px;
        }

        .related-section h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #FFF;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .related-section h3::before {
            content: "";
            width: 4px;
            height: 18px;
            border-radius: 2px;
            background: var(--gold);
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin-bottom: 28px;
        }

        .related-card {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-weak);
            border-radius: var(--radius-lg);
            padding: 14px;
            transition: all 0.2s ease;
            align-items: center;
        }

        .related-card:hover {
            background: var(--bg-hover);
            border-color: var(--gold);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
        }

        .related-card img {
            width: 96px;
            height: 72px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .related-info {
            min-width: 0;
            flex: 1;
        }

        .related-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .related-card:hover .related-title {
            color: var(--gold-light);
        }

        .related-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .back-btn-wrap {
            text-align: center;
            margin-top: 12px;
        }

        /* ===== Sidebar ===== */
        .article-side-col {
            position: sticky;
            top: 96px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-weak);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .sidebar-title {
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--gold-light);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-weak);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .recent-list {
            display: flex;
            flex-direction: column;
        }

        .recent-item {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-weak);
            transition: all 0.2s ease;
        }

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

        .recent-item:hover .recent-title {
            color: var(--gold-light);
        }

        .recent-title {
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 4px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s ease;
        }

        .recent-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-item {
            display: inline-block;
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-weak);
            border-radius: 999px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            transition: all 0.2s ease;
        }

        .tag-item:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            background: rgba(197, 160, 89, 0.08);
        }

        .sidebar-cat-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-cat-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .sidebar-cat-item:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--gold-light);
        }

        .sidebar-cat-count {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            padding: 2px 10px;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #050B18;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 32px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand .logo-text {
            color: #FFF;
            font-size: 18px;
        }

        .footer-brand p {
            margin-top: 16px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 1.9;
        }

        .footer-title {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--gold-light);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .site-container {
                padding: 0 20px;
            }

            .header-inner {
                height: 64px;
            }

            .main-nav {
                display: none;
            }

            .search-box {
                display: none;
            }

            .btn-outline {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-drawer {
                top: 64px;
            }

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

            .article-side-col {
                position: static;
                display: none;
            }

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

        @media (max-width: 640px) {
            .site-container {
                padding: 0 16px;
            }

            .logo-text {
                font-size: 16px;
            }

            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: 14px;
            }

            .breadcrumb-bar {
                padding-top: 80px;
            }

            .article-card {
                padding: 24px 20px;
            }

            .article-title {
                font-size: 24px;
            }

            .article-meta {
                gap: 10px;
                font-size: 12px;
            }

            .article-body {
                font-size: 15px;
            }

            .related-card img {
                width: 72px;
                height: 56px;
            }

            .related-title {
                font-size: 13px;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }