/* roulang page: index */
:root {
    --color-primary: #0E4F4A;
    --color-primary-hover: #12706A;
    --color-primary-deep: #082E2B;
    --color-accent: #C2A878;
    --color-accent-soft: #EAE0C8;
    --color-bg: #F7F5F0;
    --color-surface: #FFFFFF;
    --color-ink: #233330;
    --color-muted: #7B8782;
    --color-border: #E5E1D6;
    --color-footer-bg: #0C1F1D;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 6px;
    --radius-pill: 999px;
    --shadow-card: 0 4px 20px rgba(14, 79, 74, 0.06);
    --shadow-hover: 0 12px 32px rgba(14, 79, 74, 0.12);
    --container-w: 1200px;
    --space-section: 120px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-ink);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
  }

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

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

  ul, ol {
    list-style: none;
  }

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

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

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

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 28px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.4px;
    transition: all 0.25s ease;
    cursor: pointer;
    white-space: nowrap;
    border: 1px solid transparent;
  }

  .btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(14, 79, 74, 0.2);
  }

  .btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 79, 74, 0.28);
  }

  .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(14, 79, 74, 0.2);
  }

  .btn-outline {
    background: transparent;
    border-color: var(--color-accent);
    color: var(--color-accent);
  }

  .btn-outline:hover {
    background: rgba(194, 168, 120, 0.12);
    transform: translateY(-2px);
  }

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

  .btn-gold {
    background: var(--color-accent);
    color: #1a2a27;
    font-weight: 600;
  }

  .btn-gold:hover {
    background: #d0b98e;
    transform: translateY(-2px);
  }

  .btn-sm {
    height: 38px;
    padding: 0 20px;
    font-size: 14px;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    height: 24px;
    padding: 0 10px;
    border-radius: var(--radius-sm);
    background: var(--color-accent-soft);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.8px;
  }

  .section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 14px;
  }

  .section-title {
    font-family: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
    font-size: 34px;
    line-height: 1.25;
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--color-ink);
  }

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

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    color: var(--color-ink);
    font-weight: 500;
    transition: color 0.2s ease, gap 0.2s ease;
  }

  .text-link:hover {
    color: var(--color-accent);
    gap: 10px;
  }

  /* ========== Header ========== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 72px;
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    border-bottom: 1px solid transparent;
  }

  .site-header.scrolled {
    background: rgba(247, 245, 240, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: var(--color-border);
  }

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

  .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    transition: opacity 0.2s ease;
  }

  .logo:hover {
    opacity: 0.85;
  }

  .logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
    position: relative;
    flex-shrink: 0;
  }

  .logo-mark::after {
    content: "";
    position: absolute;
    inset: 8px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.5);
  }

  .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }

  .logo-text strong {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-ink);
  }

  .logo-text small {
    font-size: 10px;
    letter-spacing: 1.2px;
    color: var(--color-muted);
    text-transform: uppercase;
  }

  .main-nav {
    display: flex;
    align-items: center;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .main-nav::-webkit-scrollbar {
    display: none;
  }

  .nav-chips {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
  }

  .chip {
    display: inline-flex;
    align-items: center;
    height: 40px;
    padding: 0 20px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    white-space: nowrap;
    transition: all 0.25s ease;
    background: transparent;
  }

  .chip:hover {
    background: rgba(194, 168, 120, 0.1);
    border-color: var(--color-accent);
  }

  .chip.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(14, 79, 74, 0.25);
  }

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

  /* ========== Hero ========== */
  .hero {
    position: relative;
    min-height: 78vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--color-primary-deep);
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
  }

  .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(8, 46, 43, 0.92) 0%, rgba(8, 46, 43, 0.72) 45%, rgba(8, 46, 43, 0.3) 100%);
    z-index: 1;
  }

  .hero-content {
    position: relative;
    z-index: 2;
    padding-top: 120px;
    padding-bottom: 80px;
    max-width: 680px;
    margin-left: 0;
  }

  .hero-tag {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 14px;
    border: 1px solid rgba(194, 168, 120, 0.5);
    border-radius: var(--radius-pill);
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 28px;
    text-transform: uppercase;
  }

  .hero-title {
    font-family: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
    font-size: 46px;
    line-height: 1.15;
    font-weight: 500;
    letter-spacing: 1px;
    color: #fff;
    margin-bottom: 24px;
  }

  .hero-subtitle {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    max-width: 540px;
    margin-bottom: 40px;
  }

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

  .scroll-hint {
    position: absolute;
    left: 24px;
    bottom: 32px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
    letter-spacing: 1.5px;
  }

  .scroll-hint span {
    display: block;
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(194, 168, 120, 0.8), transparent);
  }

  /* ========== Story ========== */
  .story {
    background: var(--color-bg);
  }

  .story-grid {
    display: grid;
    grid-template-columns: 40% 1px 1fr;
    gap: 48px;
    align-items: start;
  }

  .story-head {
    padding-top: 8px;
  }

  .story-intro {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 18px;
    color: var(--color-muted);
    margin-top: 18px;
    line-height: 1.6;
  }

  .story-divider {
    width: 1px;
    height: 100%;
    min-height: 180px;
    background: linear-gradient(to bottom, var(--color-accent) 0%, transparent 90%);
  }

  .story-body {
    padding-top: 8px;
  }

  .story-body p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-ink);
    margin-bottom: 20px;
  }

  .story-body p:last-child {
    margin-bottom: 0;
  }

  /* ========== Featured ========== */
  .featured {
    background: var(--color-surface);
  }

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

  .featured-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    background: var(--color-bg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 420px;
  }

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

  .featured-cover {
    position: relative;
    height: 220px;
    overflow: hidden;
  }

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

  .featured-card:hover .featured-cover img {
    transform: scale(1.03);
  }

  .featured-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.92);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.2px;
    z-index: 2;
  }

  .featured-body {
    padding: 28px 24px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .featured-body h3 {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 20px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 12px;
  }

  .featured-body p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-muted);
    flex: 1;
  }

  .featured-link {
    padding: 20px 24px 22px;
    font-size: 14px;
    color: var(--color-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s ease;
  }

  .featured-card:hover .featured-link {
    gap: 12px;
    color: var(--color-accent);
  }

  .featured-card-dark {
    background: var(--color-primary);
    box-shadow: 0 8px 30px rgba(14, 79, 74, 0.22);
  }

  .featured-card-dark .featured-body {
    padding-top: 80px;
  }

  .featured-card-dark .featured-body h3 {
    color: #fff;
  }

  .featured-card-dark .featured-body p {
    color: rgba(255, 255, 255, 0.78);
  }

  .featured-card-dark .featured-badge {
    background: rgba(255, 255, 255, 0.16);
    color: var(--color-accent);
  }

  .featured-card-dark .featured-link {
    color: var(--color-accent);
  }

  /* ========== News / CMS ========== */
  .news {
    background: var(--color-bg);
  }

  .news-list {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 0 32px;
  }

  .news-item {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 24px 4px;
    border-bottom: 1px solid var(--color-border);
    transition: background 0.2s ease, transform 0.2s ease;
    border-radius: 8px;
  }

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

  .news-item:hover {
    background: rgba(194, 168, 120, 0.05);
    transform: translateX(4px);
  }

  .news-date {
    flex-shrink: 0;
    width: 72px;
    text-align: center;
    border-right: 1px solid var(--color-border);
    padding-right: 24px;
    align-self: stretch;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .news-day {
    font-family: "Noto Serif SC", serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.4;
  }

  .news-body {
    flex: 1;
    min-width: 0;
  }

  .news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
  }

  .news-time {
    font-size: 13px;
    color: var(--color-muted);
  }

  .news-title {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
  }

  .news-excerpt {
    font-size: 14px;
    color: var(--color-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
  }

  .news-arrow {
    flex-shrink: 0;
    font-size: 20px;
    color: var(--color-accent);
    transition: transform 0.2s ease;
  }

  .news-item:hover .news-arrow {
    transform: translateX(6px);
  }

  .news-empty {
    padding: 48px 24px;
    text-align: center;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    background: rgba(234, 224, 200, 0.12);
  }

  .news-empty-icon {
    font-size: 28px;
    display: block;
    margin-bottom: 12px;
  }

  .news-empty p {
    font-size: 15px;
    color: var(--color-muted);
  }

  /* ========== Trust ========== */
  .trust {
    background: var(--color-primary-deep);
    color: #fff;
  }

  .trust-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 72px;
  }

  .stat {
    text-align: center;
    padding: 20px 0;
  }

  .stat-number {
    display: block;
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 46px;
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1.1;
    margin-bottom: 8px;
  }

  .stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.5px;
  }

  .trust-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 48px;
  }

  .trust-logos span {
    font-size: 14px;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.45);
    text-transform: uppercase;
    transition: color 0.3s ease;
    cursor: default;
  }

  .trust-logos span:hover {
    color: rgba(255, 255, 255, 0.9);
  }

  /* ========== FAQ ========== */
  .faq {
    background: var(--color-bg);
  }

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

  .section-head-center .section-title {
    margin-bottom: 8px;
  }

  .faq-list {
    max-width: 760px;
    margin: 0 auto;
  }

  .faq-item {
    border-bottom: 1px solid var(--color-border);
    position: relative;
  }

  .faq-item:first-child {
    border-top: 1px solid var(--color-border);
  }

  .faq-item.active {
    border-bottom-color: transparent;
  }

  .faq-item.active::before {
    content: "";
    position: absolute;
    left: -20px;
    top: 14px;
    bottom: 14px;
    width: 2px;
    background: var(--color-accent);
    border-radius: 2px;
  }

  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-ink);
    cursor: pointer;
    transition: color 0.2s ease;
  }

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

  .faq-q i {
    font-style: normal;
    font-size: 22px;
    color: var(--color-accent);
    transition: transform 0.3s ease;
    line-height: 1;
  }

  .faq-item.active .faq-q i {
    transform: rotate(45deg);
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

  .faq-item.active .faq-a {
    max-height: 300px;
  }

  .faq-a p {
    font-size: 15px;
    color: var(--color-muted);
    line-height: 1.8;
    padding-bottom: 20px;
    padding-right: 30px;
  }

  /* ========== CTA ========== */
  .cta-section {
    background: var(--color-surface);
  }

  .cta-box {
    background: var(--color-primary-deep);
    border-radius: 24px;
    padding: 72px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-box::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -60px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 1px solid rgba(194, 168, 120, 0.3);
  }

  .cta-box::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: -40px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    border: 1px solid rgba(194, 168, 120, 0.15);
  }

  .cta-box h2 {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 32px;
    font-weight: 500;
    color: #fff;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
  }

  .cta-box > p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
    position: relative;
    z-index: 1;
  }

  .cta-form {
    display: flex;
    gap: 12px;
    max-width: 440px;
    margin: 0 auto 16px;
    position: relative;
    z-index: 1;
  }

  .cta-form input {
    flex: 1;
    height: 46px;
    border-radius: var(--radius-pill);
    padding: 0 22px;
    background: #fff;
    color: var(--color-ink);
    font-size: 15px;
    border: 1px solid transparent;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .cta-form input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(194, 168, 120, 0.25);
  }

  .cta-form input::placeholder {
    color: var(--color-muted);
  }

  .cta-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    position: relative;
    z-index: 1;
  }

  /* ========== Footer ========== */
  .site-footer {
    background: var(--color-footer-bg);
    padding: 72px 0 32px;
    color: rgba(255, 255, 255, 0.72);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .footer-logo {
    display: block;
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 22px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 2px;
    margin-bottom: 4px;
  }

  .footer-logo-sub {
    display: block;
    font-size: 11px;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 16px;
    text-transform: uppercase;
  }

  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.55);
    max-width: 260px;
  }

  .footer-col h4 {
    font-size: 14px;
    color: var(--color-accent);
    margin-bottom: 18px;
    font-weight: 500;
    letter-spacing: 1px;
  }

  .footer-col ul li {
    margin-bottom: 12px;
  }

  .footer-col ul li a,
  .footer-col ul li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s ease;
  }

  .footer-col ul li a:hover {
    color: #fff;
  }

  .footer-form {
    display: flex;
    gap: 8px;
  }

  .footer-form input {
    flex: 1;
    height: 40px;
    border-radius: var(--radius-pill);
    padding: 0 16px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 14px;
    border: 1px solid transparent;
    transition: border-color 0.2s ease, background 0.2s ease;
  }

  .footer-form input:focus {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.14);
  }

  .footer-form input::placeholder {
    color: rgba(255, 255, 255, 0.4);
  }

  .footer-form button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-accent);
    color: var(--color-primary-deep);
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .footer-form button:hover {
    background: #d0b98e;
    transform: scale(1.06);
  }

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 28px;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
  }

  /* ========== Focus visible ========== */
  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }

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

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

  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }
    *, *::before, *::after {
      animation: none !important;
      transition: none !important;
    }
    .reveal {
      opacity: 1;
      transform: none;
    }
  }

  /* ========== Responsive ========== */
  @media (max-width: 1199px) {
    :root {
      --space-section: 80px;
    }
    .container {
      padding-left: 32px;
      padding-right: 32px;
    }
    .story-grid {
      grid-template-columns: 36% 1px 1fr;
      gap: 32px;
    }
    .trust-logos {
      gap: 32px;
    }
  }

  @media (max-width: 991px) {
    .featured-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .featured-card:last-child {
      grid-column: 1 / -1;
      min-height: 320px;
    }
    .footer-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .header-actions .btn {
      padding: 0 18px;
    }
    .story-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .story-divider {
      width: 100%;
      height: 1px;
      min-height: 0;
      background: linear-gradient(to right, var(--color-accent) 0%, transparent 90%);
    }
  }

  @media (max-width: 767px) {
    :root {
      --space-section: 56px;
    }
    .container {
      padding-left: 20px;
      padding-right: 20px;
    }
    .site-header {
      height: 64px;
    }
    .header-inner {
      height: 64px;
    }
    .logo-text strong {
      font-size: 17px;
    }
    .logo-text small {
      font-size: 9px;
    }
    .logo-mark {
      width: 30px;
      height: 30px;
    }
    .main-nav {
      margin-left: 12px;
      flex: 1;
    }
    .nav-chips {
      gap: 6px;
    }
    .chip {
      height: 34px;
      padding: 0 14px;
      font-size: 13px;
    }
    .header-actions .btn {
      width: 36px;
      height: 36px;
      padding: 0;
      border-radius: 50%;
      font-size: 12px;
    }
    .hero {
      min-height: 88vh;
    }
    .hero-title {
      font-size: 32px;
      line-height: 1.25;
    }
    .hero-subtitle {
      font-size: 15px;
    }
    .hero-actions .btn {
      width: 100%;
    }
    .section-title {
      font-size: 28px;
    }
    .section-head-row {
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
    }
    .featured-grid {
      grid-template-columns: 1fr;
    }
    .featured-card:last-child {
      grid-column: auto;
    }
    .featured-card {
      min-height: 0;
    }
    .featured-cover {
      height: 190px;
    }
    .featured-card-dark .featured-body {
      padding-top: 60px;
    }
    .news-list {
      padding: 0 20px;
    }
    .news-item {
      flex-direction: row;
      gap: 14px;
      padding: 20px 0;
      flex-wrap: wrap;
    }
    .news-date {
      width: 60px;
      padding-right: 14px;
    }
    .news-day {
      font-size: 12px;
    }
    .news-body {
      min-width: 0;
    }
    .news-title {
      font-size: 16px;
    }
    .news-excerpt {
      font-size: 13px;
    }
    .news-arrow {
      font-size: 16px;
    }
    .trust-stats {
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-bottom: 48px;
    }
    .stat-number {
      font-size: 36px;
    }
    .trust-logos {
      gap: 20px;
      padding-top: 32px;
      flex-direction: column;
    }
    .trust-logos span {
      font-size: 12px;
    }
    .faq-q {
      font-size: 15px;
    }
    .cta-box {
      padding: 48px 20px;
      border-radius: 16px;
    }
    .cta-box h2 {
      font-size: 26px;
    }
    .cta-form {
      flex-direction: column;
    }
    .cta-form button {
      width: 100%;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 36px;
      padding-bottom: 40px;
    }
    .footer-bottom {
      flex-direction: column;
      justify-content: center;
      text-align: center;
    }
    .scroll-hint {
      display: none;
    }
    .news-meta {
      flex-wrap: wrap;
    }
  }

  @media (max-width: 480px) {
    :root {
      --space-section: 40px;
    }
    .chip {
      padding: 0 12px;
      font-size: 12px;
    }
    .header-actions .btn {
      width: 34px;
      height: 34px;
      font-size: 11px;
    }
    .hero-title {
      font-size: 28px;
    }
    .hero-subtitle {
      font-size: 14px;
    }
    .section-title {
      font-size: 24px;
    }
    .featured-body h3 {
      font-size: 18px;
    }
    .cta-box h2 {
      font-size: 22px;
    }
    .footer-logo {
      font-size: 18px;
    }
  }

/* roulang page: category1 */
:root {
  --color-primary: #0E4F4A;
  --color-primary-hover: #12706A;
  --color-primary-deep: #082E2B;
  --color-accent: #C2A878;
  --color-accent-soft: #EAE0C8;
  --color-bg: #F7F5F0;
  --color-surface: #FFFFFF;
  --color-ink: #233330;
  --color-muted: #7B8782;
  --color-border: #E5E1D6;
  --color-footer-bg: #0C1F1D;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 6px;
  --shadow-card: 0 4px 20px rgba(14, 79, 74, 0.06);
  --shadow-hover: 0 12px 32px rgba(14, 79, 74, 0.12);
  --transition: 0.3s ease;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul, ol {
  list-style: none;
}

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

h1, h2, h3, h4 {
  font-family: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  line-height: 1.3;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 79, 74, 0.25);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(14, 79, 74, 0.2);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
}

.btn-secondary:hover {
  background: rgba(194, 168, 120, 0.1);
}

.btn-light {
  background: #fff;
  color: var(--color-primary-deep);
}

.btn-light:hover {
  background: var(--color-accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-ink);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-sm {
  height: 38px;
  padding: 0 22px;
  font-size: 14px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(247, 245, 240, 0.94);
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 20px rgba(14, 79, 74, 0.06);
}

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

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

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.logo-mark::after {
  content: "J";
  color: var(--color-accent);
  font-size: 18px;
  font-weight: 700;
  font-family: Georgia, serif;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text strong {
  font-size: 19px;
  color: var(--color-primary-deep);
  font-family: "Noto Serif CJK SC", serif;
  font-weight: 700;
  letter-spacing: 1px;
}

.logo-text small {
  font-size: 10px;
  color: var(--color-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-chips {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  background: transparent;
  border: 1px solid var(--color-border);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.chip:hover {
  background: rgba(194, 168, 120, 0.08);
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.chip.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(14, 79, 74, 0.2);
}

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

.header-actions .btn {
  height: 38px;
  padding: 0 20px;
  font-size: 14px;
}

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, rgba(8, 46, 43, 0.85), rgba(14, 79, 74, 0.65)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 140px 24px 80px;
  overflow: hidden;
}

.category-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 70% 20%, rgba(194, 168, 120, 0.15), transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(194, 168, 120, 0.2);
  border: 1px solid rgba(194, 168, 120, 0.4);
  color: var(--color-accent);
  font-size: 13px;
  padding: 4px 18px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.category-hero h1 {
  font-size: 46px;
  line-height: 1.15;
  color: #fff;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 1px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.category-hero p {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
}

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

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-tag {
  display: inline-block;
  background: var(--color-accent-soft);
  color: var(--color-primary);
  font-size: 12px;
  letter-spacing: 2px;
  padding: 4px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  font-weight: 500;
}

.section-header h2 {
  font-size: 34px;
  color: var(--color-primary-deep);
  font-weight: 600;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--color-muted);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto;
}

/* ===== 服务概览（两栏索引） ===== */
.service-overview {
  background: var(--color-surface);
  padding: 100px 0;
  position: relative;
}

.service-overview::before {
  content: "01";
  position: absolute;
  right: 30px;
  top: 30px;
  font-family: Georgia, serif;
  font-size: 72px;
  color: var(--color-accent-soft);
  font-weight: 700;
  opacity: 0.6;
  pointer-events: none;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.overview-left {
  border-right: 1px solid var(--color-accent);
  padding-right: 60px;
}

.overview-left .section-tag {
  display: inline-block;
  background: var(--color-accent-soft);
  color: var(--color-primary);
  font-size: 12px;
  letter-spacing: 2px;
  padding: 4px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.overview-left h2 {
  font-size: 32px;
  color: var(--color-primary-deep);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 16px;
}

.overview-left p {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
}

.overview-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.overview-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border-left: 2px solid var(--color-accent);
  transition: all 0.3s ease;
}

.overview-card:hover {
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  transform: translateX(4px);
}

.overview-card .num {
  font-family: Georgia, serif;
  font-size: 24px;
  color: var(--color-accent);
  font-weight: 700;
  line-height: 1.2;
  min-width: 36px;
}

.overview-card h4 {
  font-size: 17px;
  color: var(--color-ink);
  font-weight: 600;
  margin-bottom: 4px;
}

.overview-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ===== 核心服务 ===== */
.core-services {
  background: var(--color-bg);
  padding: 100px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}

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

.service-card-image {
  position: relative;
  height: 190px;
  overflow: hidden;
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-image img {
  transform: scale(1.04);
}

.service-card-image .badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(14, 79, 74, 0.85);
  color: #fff;
  font-size: 12px;
  padding: 3px 12px;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
}

.service-card-body {
  padding: 24px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card-body h3 {
  font-size: 20px;
  color: var(--color-primary-deep);
  font-weight: 600;
  margin-bottom: 8px;
}

.service-card-body p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
  transition: all 0.2s ease;
}

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

.card-link:hover {
  color: var(--color-accent);
}

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

/* ===== 服务流程 ===== */
.service-process {
  background: var(--color-primary-deep);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.service-process::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 1px solid rgba(194, 168, 120, 0.2);
}

.service-process::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(194, 168, 120, 0.15);
}

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

.process-container .section-header h2 {
  color: #fff;
}

.process-container .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.process-step {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.process-step:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(194, 168, 120, 0.4);
  transform: translateY(-4px);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-primary-deep);
  font-family: Georgia, serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 18px;
}

.process-step h3 {
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.process-step p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== 适用场景 ===== */
.use-cases {
  background: var(--color-surface);
  padding: 100px 0;
}

.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.scenario-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border-top: 2px solid var(--color-accent);
  transition: all 0.3s ease;
  text-align: center;
}

.scenario-card:hover {
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.scenario-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-primary);
  font-size: 24px;
  margin-bottom: 18px;
}

.scenario-card h3 {
  font-size: 18px;
  color: var(--color-primary-deep);
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* ===== FAQ ===== */
.faq-section {
  background: var(--color-bg);
  padding: 100px 0;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 28px;
  height: 64px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  transition: all 0.25s ease;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  position: relative;
}

.faq-question:hover {
  background: rgba(194, 168, 120, 0.06);
}

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

.faq-item.active .faq-question {
  border-left: 2px solid var(--color-accent);
  color: var(--color-primary);
}

.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-muted);
  transition: all 0.3s ease;
  border-radius: 2px;
}

.faq-icon::before {
  width: 16px;
  height: 2px;
  top: 9px;
  left: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 16px;
  top: 2px;
  left: 9px;
}

.faq-item.active .faq-icon::before {
  background: var(--color-accent);
}

.faq-item.active .faq-icon::after {
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  background: var(--color-bg);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 16px 28px 24px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, rgba(8, 46, 43, 0.92), rgba(14, 79, 74, 0.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 90px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(194, 168, 120, 0.12), transparent 50%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 620px;
  margin: 0 auto;
  padding: 0 24px;
}

.cta-inner h2 {
  font-size: 34px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 14px;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.cta-note {
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== 返回链接 ===== */
.back-section {
  text-align: center;
  padding: 50px 0;
  background: var(--color-bg);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-footer-bg);
  padding: 70px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.3fr;
  gap: 48px;
  padding-bottom: 56px;
}

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

.footer-logo {
  font-family: "Noto Serif CJK SC", serif;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 2px;
}

.footer-logo-sub {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 1.5px;
  margin-top: 2px;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 260px;
}

.footer-col h4 {
  font-size: 14px;
  color: var(--color-accent);
  margin-bottom: 18px;
  font-weight: 500;
  letter-spacing: 1px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li {
  font-size: 14px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-form {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.footer-form input {
  flex: 1;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  padding: 0 16px;
  color: #fff;
  font-size: 14px;
  transition: all 0.3s ease;
}

.footer-form input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.footer-form input:focus {
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(194, 168, 120, 0.2);
}

.footer-form button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent);
  color: var(--color-primary-deep);
  font-size: 18px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-form button:hover {
  background: #d4bc8e;
  transform: scale(1.05);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 动效 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .scenarios-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 991px) {
  .overview-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .overview-left {
    border-right: none;
    border-bottom: 1px solid var(--color-accent);
    padding-right: 0;
    padding-bottom: 32px;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .header-inner {
    gap: 8px;
  }

  .logo-text small {
    display: none;
  }

  .logo-mark {
    width: 32px;
    height: 32px;
  }

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

  .nav-chips {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .nav-chips::-webkit-scrollbar {
    display: none;
  }

  .chip {
    flex-shrink: 0;
    padding: 0 14px;
    font-size: 13px;
    height: 36px;
  }

  .header-actions .btn {
    padding: 0 14px;
    font-size: 13px;
    height: 36px;
  }

  .category-hero {
    min-height: 380px;
    padding: 120px 16px 60px;
  }

  .category-hero h1 {
    font-size: 32px;
  }

  .category-hero p {
    font-size: 15px;
  }

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

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

  .section {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .section-header h2 {
    font-size: 28px;
  }

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

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .overview-card {
    padding: 20px;
  }

  .cta-section {
    padding: 60px 0;
  }

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

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-actions .btn {
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 48px 0;
  }

  .service-card-image {
    height: 170px;
  }

  .process-step {
    padding: 24px 18px;
  }

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

  .faq-question {
    font-size: 15px;
    padding: 0 20px;
    height: 60px;
  }

  .faq-item.active .faq-answer {
    padding: 14px 20px 20px;
  }

  .footer-grid {
    gap: 28px;
  }

  .overview-left h2 {
    font-size: 28px;
  }
}

/* roulang page: article */
:root {
  --color-primary: #0E4F4A;
  --color-primary-hover: #12706A;
  --color-primary-deep: #082E2B;
  --color-accent: #C2A878;
  --color-accent-soft: #EAE0C8;
  --color-bg: #F7F5F0;
  --color-surface: #FFFFFF;
  --color-ink: #233330;
  --color-muted: #7B8782;
  --color-border: #E5E1D6;
  --color-footer-bg: #0C1F1D;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 20px rgba(14, 79, 74, 0.06);
  --shadow-hover: 0 12px 32px rgba(14, 79, 74, 0.12);
  --transition: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; font-size: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  z-index: 1000;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(14, 79, 74, 0.06); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-primary);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}
.logo:hover .logo-mark { transform: rotate(8deg) scale(1.03); }
.logo-mark::before {
  content: '';
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  opacity: 0.55;
}
.logo-mark::after {
  content: '九';
  color: #fff;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  position: relative;
  z-index: 1;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; gap: 2px; }
.logo-text strong {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--color-ink);
  letter-spacing: 1px;
}
.logo-text small {
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--color-muted);
  text-transform: uppercase;
  font-weight: 400;
}
.main-nav { flex: 1; display: flex; justify-content: center; min-width: 0; }
.nav-chips {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-pill);
}
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 400;
  color: var(--color-ink);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}
.chip:hover { background: rgba(194, 168, 120, 0.12); color: var(--color-primary); border-color: rgba(194, 168, 120, 0.35); }
.chip.active { background: var(--color-primary); color: #fff; box-shadow: 0 4px 14px rgba(14, 79, 74, 0.22); }
.chip.active:hover { background: var(--color-primary-hover); color: #fff; }
.header-actions { flex-shrink: 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(14, 79, 74, 0.25); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(14, 79, 74, 0.18); }
.btn-sm { height: 40px; padding: 0 22px; font-size: 14px; }
.btn-ghost { background: transparent; border: 1px solid var(--color-accent); color: var(--color-accent); }
.btn-ghost:hover { background: rgba(194, 168, 120, 0.08); transform: translateY(-2px); }
.breadcrumb-bar { padding: 96px 0 16px; background: var(--color-bg); }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--color-muted); flex-wrap: wrap; }
.breadcrumb a { color: var(--color-muted); transition: color 0.2s ease; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-border); }
.breadcrumb .current { color: var(--color-ink); font-weight: 500; max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-page { padding: 32px 0 80px; background: var(--color-bg); }
.article-container { max-width: 860px; margin: 0 auto; }
.article-header { margin-bottom: 40px; }
.badge {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 14px;
  border-radius: 6px;
  background: var(--color-accent-soft);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}
.article-header h1 {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 24px; font-size: 14px; color: var(--color-muted); }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .meta-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--color-accent); margin: 0 4px; }
.article-cover { margin-bottom: 48px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 8px 32px rgba(14, 79, 74, 0.1); }
.article-cover img { width: 100%; height: auto; }
.article-body { font-size: 17px; line-height: 1.75; color: var(--color-ink); }
.article-body p { margin-bottom: 1.6em; }
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  margin: 2em 0 1em;
  padding-left: 16px;
  border-left: 2px solid var(--color-accent);
}
.article-body h3 { font-family: var(--font-serif); font-size: 22px; font-weight: 600; margin: 1.8em 0 0.8em; }
.article-body h4 { font-size: 17px; font-weight: 600; margin: 1.6em 0 0.6em; }
.article-body blockquote {
  border-left: 3px solid var(--color-accent);
  background: rgba(234, 224, 200, 0.25);
  padding: 20px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.8em 0;
  color: var(--color-muted);
}
.article-body blockquote p { margin-bottom: 0.5em; }
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body img { max-width: 100%; border-radius: var(--radius-md); margin: 1.5em auto; }
.article-body ul, .article-body ol { margin: 1.5em 0; padding-left: 1.5em; }
.article-body li { margin-bottom: 0.6em; }
.article-body a { color: var(--color-primary); border-bottom: 1px solid var(--color-accent); transition: color 0.2s ease; }
.article-body a:hover { color: var(--color-accent); }
.article-body hr { border: none; border-top: 1px solid var(--color-border); margin: 2em 0; }
.article-body .aligncenter { display: block; margin-left: auto; margin-right: auto; }
.article-body figcaption { text-align: center; font-size: 12px; color: var(--color-muted); margin-top: 8px; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--color-border); }
.tag-chip {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-muted);
  transition: var(--transition);
}
.tag-chip:hover { border-color: var(--color-accent); color: var(--color-primary); }
.not-found { text-align: center; padding: 100px 20px; }
.not-found .badge { margin-bottom: 24px; }
.not-found h1 { font-family: var(--font-serif); font-size: 32px; color: var(--color-ink); margin-bottom: 16px; }
.not-found p { color: var(--color-muted); font-size: 16px; margin-bottom: 32px; }
.related-section { padding: 80px 0; background: var(--color-surface); border-top: 1px solid var(--color-border); }
.related-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; gap: 16px; }
.related-header h2 { font-family: var(--font-serif); font-size: 28px; font-weight: 600; color: var(--color-ink); }
.related-header .related-sub { font-size: 14px; color: var(--color-muted); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 12px;
  border: 1px solid transparent;
  transition: var(--transition);
}
.related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: var(--color-border); }
.related-card img { width: 104px; height: 72px; object-fit: cover; border-radius: var(--radius-sm); flex-shrink: 0; }
.related-info { min-width: 0; }
.related-info .related-date { display: block; font-size: 12px; color: var(--color-muted); margin-bottom: 4px; }
.related-info h4 { font-size: 15px; font-weight: 600; line-height: 1.4; color: var(--color-ink); margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-link { font-size: 13px; color: var(--color-accent); display: inline-flex; align-items: center; gap: 4px; }
.related-link::after { content: '→'; transition: transform 0.2s ease; }
.related-card:hover .related-link::after { transform: translateX(4px); }
.related-footer { margin-top: 40px; text-align: center; }
.site-footer { background: var(--color-footer-bg); color: rgba(255, 255, 255, 0.7); padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 56px; }
.footer-brand .footer-logo { font-family: var(--font-serif); font-size: 24px; color: #fff; display: block; margin-bottom: 4px; }
.footer-brand .footer-logo-sub { display: block; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: rgba(255, 255, 255, 0.4); margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255, 255, 255, 0.55); max-width: 260px; }
.footer-col h4 { font-size: 14px; color: var(--color-accent); margin-bottom: 20px; font-weight: 500; letter-spacing: 1px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; font-size: 14px; color: rgba(255, 255, 255, 0.6); }
.footer-col a { color: rgba(255, 255, 255, 0.6); transition: color 0.2s ease; }
.footer-col a:hover { color: #fff; }
.footer-form { display: flex; gap: 8px; margin-top: 4px; }
.footer-form input {
  flex: 1;
  height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
.footer-form input:focus { background: rgba(255, 255, 255, 0.16); box-shadow: 0 0 0 2px rgba(194, 168, 120, 0.4); }
.footer-form input::placeholder { color: rgba(255, 255, 255, 0.4); }
.footer-form button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent);
  color: #082E2B;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.footer-form button:hover { background: var(--color-accent-soft); transform: scale(1.05); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: rgba(255, 255, 255, 0.35); }
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-chips { gap: 6px; }
  .chip { padding: 0 14px; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .header-inner { gap: 12px; }
  .logo-text strong { font-size: 18px; }
  .logo-text small { font-size: 9px; }
  .logo-mark { width: 36px; height: 36px; }
  .logo-mark::before { inset: 6px; }
  .main-nav { justify-content: flex-end; overflow: hidden; }
  .nav-chips { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; max-width: calc(100vw - 190px); padding: 4px; }
  .nav-chips::-webkit-scrollbar { display: none; }
  .chip { flex-shrink: 0; padding: 0 16px; }
  .btn-sm { padding: 0 14px; font-size: 13px; height: 36px; }
  .breadcrumb-bar { padding-top: 88px; }
  .article-header h1 { font-size: 28px; }
  .article-body { font-size: 16px; }
  .article-meta { gap: 8px 16px; }
  .article-tags { gap: 8px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .logo-text strong { font-size: 17px; }
  .logo-text small { display: none; }
  .nav-chips { max-width: calc(100vw - 140px); }
  .chip { height: 34px; padding: 0 12px; font-size: 13px; }
  .header-actions .btn-sm { padding: 0 12px; font-size: 12px; }
  .article-page { padding: 24px 0 60px; }
  .article-header h1 { font-size: 24px; }
  .article-body h2 { font-size: 22px; }
  .article-body h3 { font-size: 19px; }
  .not-found h1 { font-size: 26px; }
  .related-section { padding: 60px 0; }
  .related-card img { width: 90px; height: 64px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}