/* roulang page: index */
:root {
  --primary: #1D3B34;
  --primary-dark: #16302A;
  --accent: #C19A5B;
  --accent-light: #D4AE7A;
  --accent-dark: #A88448;
  --bg: #F7F4EF;
  --bg-white: #FFFFFF;
  --text: #232824;
  --text-muted: #5A6B63;
  --text-light: #8A9A93;
  --text-white: #F2EFE9;
  --danger: #9D442E;
  --border: rgba(29,59,52,0.10);
  --border-light: rgba(29,59,52,0.06);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow: 0 2px 16px rgba(29,59,52,0.06);
  --shadow-hover: 0 10px 28px rgba(29,59,52,0.12);
  --transition: all 0.3s ease;
  --container: 1200px;
  --font-cn: "PingFang SC","Microsoft YaHei","Source Han Sans CN",sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-cn); background: var(--bg); color: var(--text); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; outline: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-white { background: var(--bg-white); }
.section-light { background: var(--bg); }
.section-dark { background: var(--primary-dark); position: relative; }
.section-tag { display: inline-block; background: rgba(193,154,91,0.15); color: var(--accent-dark); font-size: 13px; font-weight: 600; padding: 4px 16px; border-radius: var(--radius-pill); letter-spacing: 1px; margin-bottom: 16px; }
.section-title { font-size: 34px; font-weight: 700; color: var(--primary); line-height: 1.3; margin-bottom: 12px; letter-spacing: -0.5px; }
.section-desc { font-size: 16px; color: var(--text-muted); max-width: 560px; line-height: 1.7; }

/* ===== Header & Nav ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(22,48,42,0.95); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.06); transition: var(--transition); }
.site-header.scrolled { background: rgba(22,48,42,0.98); box-shadow: 0 4px 24px rgba(0,0,0,0.2); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { background: var(--accent); color: var(--primary-dark); font-family: var(--font-serif); font-weight: 700; font-size: 17px; padding: 6px 10px; border-radius: 8px; letter-spacing: 1px; }
.brand-text { color: var(--text-white); font-size: 19px; font-weight: 600; }
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a { color: rgba(242,239,233,0.75); font-size: 15px; padding: 8px 16px; border-radius: var(--radius-sm); font-weight: 500; transition: var(--transition); }
.main-nav a:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
.main-nav a.active { color: var(--accent); background: rgba(193,154,91,0.12); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.search-box { position: relative; display: flex; align-items: center; }
.search-box input { width: 180px; height: 38px; border-radius: var(--radius-pill); border: 1px solid rgba(255,255,255,0.18); background: rgba(255,255,255,0.08); padding: 0 14px 0 36px; color: var(--text-white); font-size: 14px; transition: var(--transition); }
.search-box input::placeholder { color: rgba(242,239,233,0.5); }
.search-box input:focus { background: rgba(255,255,255,0.14); border-color: var(--accent); box-shadow: 0 0 0 3px rgba(193,154,91,0.2); width: 210px; }
.search-box svg { position: absolute; left: 12px; width: 16px; height: 16px; stroke: rgba(242,239,233,0.6); fill: none; stroke-width: 2; }
.btn-ghost-light { color: var(--text-white); font-size: 14px; padding: 8px 16px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.25); transition: var(--transition); font-weight: 500; }
.btn-ghost-light:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.4); }
.btn-accent { background: var(--accent); color: var(--primary-dark); font-size: 14px; font-weight: 600; padding: 9px 22px; border-radius: var(--radius-sm); transition: var(--transition); box-shadow: 0 2px 10px rgba(193,154,91,0.3); }
.btn-accent:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(193,154,91,0.4); }
.hamburger { display: none; flex-direction: column; gap: 5px; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: var(--radius-sm); }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text-white); border-radius: 2px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0; background: var(--primary-dark); z-index: 999; padding: 32px 24px; flex-direction: column; gap: 8px; overflow-y: auto; }
.mobile-menu.open { display: flex; }
.mobile-menu a { color: var(--text-white); font-size: 18px; padding: 14px 16px; border-radius: var(--radius-sm); border-bottom: 1px solid rgba(255,255,255,0.06); }
.mobile-menu a.active { color: var(--accent); background: rgba(193,154,91,0.1); }
.mobile-menu .mobile-actions { margin-top: auto; display: flex; flex-direction: column; gap: 12px; padding-top: 24px; }
.mobile-menu .mobile-search input { width: 100%; height: 44px; border-radius: var(--radius-pill); border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.08); padding: 0 18px; color: var(--text-white); font-size: 15px; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 620px; display: flex; align-items: center; padding-top: 72px; background-color: var(--primary-dark); overflow: hidden; }
.hero-bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-size: cover; background-position: center; opacity: 0.5; }
.hero-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(130deg, rgba(22,48,42,0.95) 0%, rgba(22,48,42,0.75) 50%, rgba(29,59,52,0.6) 100%); }
.hero-content { position: relative; z-index: 2; padding: 88px 0 140px; max-width: 680px; }
.hero-title { font-size: 50px; line-height: 1.2; font-weight: 700; color: var(--text-white); margin-bottom: 20px; letter-spacing: -1px; }
.hero-title .hl-accent { color: var(--accent); }
.hero-sub { font-size: 17px; color: rgba(242,239,233,0.8); line-height: 1.6; max-width: 460px; margin-bottom: 36px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-accent-lg { background: var(--accent); color: var(--primary-dark); font-size: 16px; font-weight: 600; padding: 14px 34px; border-radius: var(--radius-sm); transition: var(--transition); box-shadow: 0 4px 16px rgba(193,154,91,0.35); display: inline-block; }
.btn-accent-lg:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(193,154,91,0.5); }
.btn-outline-lg { color: var(--text-white); font-size: 16px; font-weight: 500; padding: 13px 32px; border-radius: var(--radius-sm); border: 1.5px solid rgba(255,255,255,0.45); transition: var(--transition); display: inline-block; }
.btn-outline-lg:hover { background: rgba(255,255,255,0.1); border-color: var(--text-white); }
.hero-bottom-card { position: absolute; bottom: -44px; left: 0; right: 0; z-index: 5; }
.hero-bottom-inner { background: var(--bg-white); border-radius: 20px; box-shadow: 0 12px 40px rgba(22,48,42,0.2); padding: 28px 36px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.hero-quick-link { display: flex; align-items: center; gap: 14px; padding: 12px; border-radius: var(--radius); transition: var(--transition); }
.hero-quick-link:hover { background: rgba(29,59,52,0.04); }
.hero-quick-icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(29,59,52,0.08); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.hero-quick-icon svg { width: 20px; height: 20px; stroke: var(--primary); fill: none; stroke-width: 1.8; }
.hero-quick-text { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.3; }
.hero-quick-sub { font-size: 12px; color: var(--text-light); margin-top: 2px; }

/* ===== Services ===== */
.services-section { padding-top: 140px; }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.service-card { background: var(--bg-white); border-radius: var(--radius); padding: 32px 28px; box-shadow: var(--shadow); border: 1px solid var(--border-light); transition: var(--transition); position: relative; overflow: hidden; }
.service-card:nth-child(2) { transform: translateY(12px); }
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); border-color: rgba(29,59,52,0.18); }
.service-card:nth-child(2):hover { transform: translateY(6px); }
.service-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--accent), transparent); opacity: 0; transition: var(--transition); }
.service-card:hover::before { opacity: 1; }
.service-icon { width: 56px; height: 56px; border-radius: 16px; background: rgba(29,59,52,0.06); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; transition: var(--transition); }
.service-icon svg { width: 26px; height: 26px; stroke: var(--primary); fill: none; stroke-width: 1.6; }
.service-card:hover .service-icon { background: var(--primary); }
.service-card:hover .service-icon svg { stroke: var(--accent); }
.service-title { font-size: 18px; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.service-desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 18px; }
.service-link { font-size: 14px; color: var(--accent-dark); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; transition: var(--transition); }
.service-link svg { width: 14px; height: 14px; transition: transform 0.3s ease; stroke: currentColor; fill: none; stroke-width: 2; }
.service-link:hover svg { transform: translateX(4px); }

/* ===== Stats ===== */
.stats-section { background: var(--primary-dark); padding: 80px 0; position: relative; }
.stats-section::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(193,154,91,0.5), transparent); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.stat-item { position: relative; padding: 20px 0; }
.stat-item::before, .stat-item::after { content: ""; position: absolute; left: 20%; right: 20%; height: 1px; background: rgba(193,154,91,0.3); }
.stat-item::before { top: 0; }
.stat-item::after { bottom: 0; }
.stat-num { font-family: var(--font-serif); font-size: 46px; color: var(--accent); font-weight: 700; line-height: 1.2; letter-spacing: 1px; }
.stat-unit { font-size: 16px; color: rgba(193,154,91,0.7); font-weight: 400; margin-left: 4px; }
.stat-label { font-size: 14px; color: rgba(242,239,233,0.75); margin-top: 8px; letter-spacing: 2px; }
.stat-note { font-size: 12px; color: rgba(242,239,233,0.45); margin-top: 4px; }

/* ===== Cases ===== */
.cases-section { padding: 120px 0; }
.case-block { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-bottom: 64px; }
.case-block:nth-child(odd) .case-image { order: 1; }
.case-block:nth-child(odd) .case-text { order: 2; }
.case-block:nth-child(even) .case-image { order: 2; }
.case-block:nth-child(even) .case-text { order: 1; }
.case-image { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 16/10; }
.case-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.case-image:hover img { transform: scale(1.04); }
.case-tag { position: absolute; top: 16px; right: 16px; background: rgba(255,255,255,0.92); color: var(--primary); font-size: 12px; font-weight: 600; padding: 5px 14px; border-radius: var(--radius-pill); backdrop-filter: blur(4px); box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.case-text { padding: 20px 0; }
.case-title { font-size: 26px; font-weight: 700; color: var(--primary); line-height: 1.3; margin-bottom: 14px; }
.case-desc { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; }
.case-meta { display: flex; gap: 24px; padding-top: 16px; border-top: 1px solid var(--border-light); font-size: 13px; color: var(--text-light); flex-wrap: wrap; }
.case-meta span { display: flex; align-items: center; gap: 6px; }
.case-meta svg { width: 15px; height: 15px; stroke: var(--accent); fill: none; stroke-width: 1.8; }

/* ===== Process ===== */
.process-section { background: var(--bg-white); padding: 110px 0; }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; position: relative; }
.process-steps::before { content: ""; position: absolute; top: 32px; left: 8%; right: 8%; height: 2px; border-top: 2px dashed rgba(193,154,91,0.4); }
.process-step { text-align: center; position: relative; z-index: 1; padding: 0 10px; }
.step-circle { width: 64px; height: 64px; border-radius: 50%; border: 2px solid var(--accent); background: var(--bg-white); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; position: relative; z-index: 2; transition: var(--transition); }
.step-circle span { font-family: var(--font-serif); font-size: 18px; color: var(--accent-dark); font-weight: 700; }
.process-step:hover .step-circle { background: var(--accent); box-shadow: 0 4px 20px rgba(193,154,91,0.4); }
.process-step:hover .step-circle span { color: var(--primary-dark); }
.process-step h3 { font-size: 18px; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--text-muted); line-height: 1.6; max-width: 180px; margin: 0 auto; }
.process-banner { background: var(--primary-dark); border-radius: var(--radius); padding: 36px 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 72px; position: relative; overflow: hidden; }
.process-banner::before { content: ""; position: absolute; top: -50px; right: -50px; width: 150px; height: 150px; background: rgba(193,154,91,0.08); border-radius: 50%; }
.process-banner-content h3 { font-size: 22px; color: var(--text-white); font-weight: 600; margin-bottom: 6px; }
.process-banner-content p { font-size: 15px; color: rgba(242,239,233,0.7); }
.process-banner .btn-accent-lg { flex-shrink: 0; }

/* ===== News ===== */
.news-section { padding: 110px 0; }
.news-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; }
.btn-text { font-size: 14px; color: var(--primary); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; padding: 8px 0; border-bottom: 2px solid var(--accent); transition: var(--transition); }
.btn-text:hover { color: var(--accent-dark); }
.news-list { background: var(--bg-white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 0 28px; }
.news-item { display: flex; align-items: center; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--border-light); transition: var(--transition); }
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: rgba(29,59,52,0.025); padding-left: 12px; padding-right: 12px; }
.news-thumb { width: 96px; height: 64px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { flex: 1; min-width: 0; }
.news-tag { display: inline-block; font-size: 12px; color: var(--accent-dark); border: 1px solid rgba(193,154,91,0.4); padding: 2px 10px; border-radius: var(--radius-pill); margin-bottom: 6px; background: rgba(193,154,91,0.06); }
.news-title { font-size: 18px; font-weight: 600; color: var(--text); line-height: 1.4; margin-bottom: 4px; }
.news-title a { transition: var(--transition); }
.news-title a:hover { color: var(--primary); }
.news-summary { font-size: 14px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-meta { display: flex; gap: 16px; font-size: 12px; color: var(--text-light); margin-top: 6px; }
.news-empty { text-align: center; padding: 60px 20px; color: var(--text-light); font-size: 16px; }

/* ===== FAQ ===== */
.faq-section { padding: 110px 0; background: var(--bg-white); }
.faq-content { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border-light); transition: var(--transition); }
.faq-item:first-child { border-top: 1px solid var(--border-light); }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 22px 8px; cursor: pointer; font-size: 18px; font-weight: 600; color: var(--text); transition: var(--transition); }
.faq-question:hover { color: var(--primary); }
.faq-question svg { width: 18px; height: 18px; stroke: var(--accent); fill: none; stroke-width: 2; transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.active .faq-question svg { transform: rotate(45deg); }
.faq-answer { display: none; padding: 0 8px 22px; font-size: 15px; color: var(--text-muted); line-height: 1.7; }
.faq-item.active .faq-answer { display: block; }
.faq-item.active { background: rgba(193,154,91,0.06); border-radius: var(--radius); }

/* ===== CTA ===== */
.cta-section { background: var(--primary-dark); padding: 90px 0; position: relative; overflow: hidden; }
.cta-section::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(193,154,91,0.5), transparent); }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cta-left h2 { font-size: 34px; color: var(--text-white); font-weight: 700; line-height: 1.3; margin-bottom: 16px; }
.cta-left p { font-size: 16px; color: rgba(242,239,233,0.7); line-height: 1.7; margin-bottom: 32px; }
.cta-contact-list { display: flex; flex-direction: column; gap: 16px; }
.cta-contact-item { display: flex; align-items: center; gap: 14px; color: rgba(242,239,233,0.85); font-size: 15px; }
.cta-contact-item svg { width: 20px; height: 20px; stroke: var(--accent); fill: none; stroke-width: 1.6; flex-shrink: 0; }
.cta-contact-item small { color: rgba(242,239,233,0.5); font-size: 12px; margin-left: 4px; }
.cta-form { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 20px; padding: 36px; backdrop-filter: blur(8px); }
.cta-form h3 { font-size: 20px; color: var(--text-white); font-weight: 600; margin-bottom: 20px; }
.cta-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.cta-form input, .cta-form textarea, .cta-form select { width: 100%; height: 42px; border-radius: var(--radius-sm); border: 1px solid #D8DED9; background: #fff; padding: 0 14px; font-size: 14px; color: var(--text); transition: var(--transition); }
.cta-form textarea { height: 90px; padding: 12px 14px; resize: vertical; }
.cta-form input:focus, .cta-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(29,59,52,0.1); }
.cta-form .form-submit { width: 100%; height: 44px; background: var(--accent); color: var(--primary-dark); font-size: 15px; font-weight: 600; border-radius: var(--radius-sm); transition: var(--transition); }
.cta-form .form-submit:hover { background: var(--accent-light); }
.cta-form .privacy-note { font-size: 12px; color: rgba(242,239,233,0.4); text-align: center; margin-top: 12px; }

/* ===== Footer ===== */
.site-footer { background: var(--primary-dark); padding-top: 72px; position: relative; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 56px; }
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: rgba(242,239,233,0.6); line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-size: 14px; color: var(--text-white); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; font-weight: 600; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { font-size: 14px; color: rgba(242,239,233,0.6); line-height: 2.2; transition: var(--transition); }
.footer-col ul a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: rgba(242,239,233,0.35); flex-wrap: wrap; gap: 12px; }
.footer-bottom a { color: rgba(242,239,233,0.5); }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.footer-social a:hover { background: rgba(255,255,255,0.1); border-color: var(--accent); }
.footer-social svg { width: 16px; height: 16px; stroke: rgba(242,239,233,0.6); fill: none; stroke-width: 1.5; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .service-card:nth-child(2) { transform: none; }
  .service-card:nth-child(2):hover { transform: translateY(-6px); }
  .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
  .case-block { grid-template-columns: 1fr; gap: 32px; }
  .case-block:nth-child(odd) .case-image, .case-block:nth-child(even) .case-image { order: 0; }
  .case-block:nth-child(odd) .case-text, .case-block:nth-child(even) .case-text { order: 0; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-steps::before { display: none; }
  .cta-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-bottom-inner { grid-template-columns: repeat(2, 1fr); }
  .main-nav { display: none; }
  .header-actions .search-box, .header-actions .btn-ghost-light, .header-actions .btn-accent { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: flex; }
}
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { min-height: 520px; }
  .hero-title { font-size: 34px; }
  .hero-sub { font-size: 16px; }
  .hero-bottom-inner { grid-template-columns: 1fr 1fr; gap: 12px; padding: 20px; }
  .hero-quick-link { padding: 8px; }
  .hero-quick-text { font-size: 13px; }
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-num { font-size: 34px; }
  .section-title { font-size: 26px; }
  .process-steps { grid-template-columns: 1fr; }
  .process-banner { flex-direction: column; text-align: center; padding: 28px 20px; }
  .news-list { padding: 0 16px; }
  .news-item { flex-direction: column; align-items: flex-start; gap: 14px; padding: 20px 0; }
  .news-thumb { width: 100%; height: auto; aspect-ratio: 16/7; }
  .faq-question { font-size: 16px; }
  .cta-form .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-cta { flex-direction: column; }
  .btn-accent-lg, .btn-outline-lg { text-align: center; }
}

/* roulang page: category1 */
:root {
  --primary: #1D3B34;
  --gold: #C19A5B;
  --bg: #F7F4EF;
  --dark: #16302A;
  --text: #232824;
  --muted: #5A6B63;
  --white: #ffffff;
  --border: rgba(29, 59, 52, 0.1);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 16px rgba(29, 59, 52, 0.06);
  --shadow-hover: 0 10px 28px rgba(29, 59, 52, 0.12);
  --transition: all 0.3s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(22, 48, 42, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header.scrolled { background: rgba(22,48,42,0.98); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}
.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  background: rgba(193,154,91,0.12);
  border: 1px solid rgba(193,154,91,0.45);
  border-radius: 8px;
  padding: 6px 10px;
  line-height: 1;
  letter-spacing: 0.02em;
}
.brand-text { font-size: 20px; font-weight: 700; color: #f2efe9; letter-spacing: 0.06em; }
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
  display: inline-block;
  padding: 9px 18px;
  font-size: 15px;
  color: rgba(242,239,233,0.78);
  border-radius: 999px;
  transition: var(--transition);
  font-weight: 500;
}
.main-nav a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.main-nav a.active { color: #fff; background: rgba(193,154,91,0.22); }
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.search-form { display: flex; align-items: center; background: rgba(255,255,255,0.1); border-radius: 999px; padding: 2px 2px 2px 16px; overflow: hidden; border: 1px solid rgba(255,255,255,0.14); }
.search-form input {
  background: transparent; border: none; outline: none; color: #f2efe9;
  font-size: 14px; width: 160px; height: 36px;
}
.search-form input::placeholder { color: rgba(242,239,233,0.55); }
.search-form button { display: flex; align-items: center; justify-content: center; width: 38px; height: 36px; background: var(--gold); color: #fff; border-radius: 999px; transition: var(--transition); }
.search-form button:hover { background: #d1ab6f; }
.btn { display: inline-flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 600; border-radius: var(--radius-sm); transition: var(--transition); border: 1px solid transparent; }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #d1ab6f; box-shadow: 0 6px 18px rgba(193,154,91,0.28); transform: translateY(-2px); }
.btn-outline { border-color: rgba(242,239,233,0.5); color: #f2efe9; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #17322b; box-shadow: 0 6px 18px rgba(29,59,52,0.2); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: #f2efe9; box-shadow: 0 6px 18px rgba(0,0,0,0.12); transform: translateY(-2px); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: #f2efe9; border-radius: 2px; transition: var(--transition); }

/* Hero */
.page-hero {
  position: relative;
  background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  padding: 86px 0 110px;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(22,48,42,0.92) 0%, rgba(22,48,42,0.74) 45%, rgba(29,59,52,0.55) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb { font-size: 13px; color: rgba(242,239,233,0.65); margin-bottom: 18px; display: flex; gap: 8px; align-items: center; }
.breadcrumb a { color: rgba(242,239,233,0.8); transition: var(--transition); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { color: rgba(242,239,233,0.4); }
.breadcrumb .current { color: var(--gold); }
.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
  max-width: 700px;
}
.page-hero .hero-desc {
  font-size: 17px;
  color: rgba(242,239,233,0.82);
  max-width: 600px;
  line-height: 1.7;
}

/* 分类概览 */
.section { padding: 72px 0; }
.section-head { margin-bottom: 44px; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-head h2 { font-size: 32px; font-weight: 700; color: var(--primary); line-height: 1.3; margin-bottom: 12px; }
.section-head p { font-size: 16px; color: var(--muted); max-width: 640px; line-height: 1.7; }
.overview-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.overview-media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.overview-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 10; }
.overview-content h3 { font-size: 26px; font-weight: 700; color: var(--primary); line-height: 1.4; margin-bottom: 18px; }
.overview-content p { font-size: 16px; color: var(--muted); line-height: 1.8; margin-bottom: 16px; }
.overview-list { list-style: none; margin: 20px 0 0; display: grid; gap: 14px; }
.overview-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: var(--text); }
.overview-list li svg { flex-shrink: 0; width: 20px; height: 20px; margin-top: 3px; color: var(--gold); }
.overview-list li span { line-height: 1.6; }

/* 宫格索引 */
.index-grid-wrap { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.grid-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 32px 28px 28px;
  background: var(--primary);
  color: #f2efe9;
  transition: var(--transition);
  min-height: 210px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}
.grid-card:nth-child(2) { background: #24473f; }
.grid-card:nth-child(3) { background: #232824; }
.grid-card:nth-child(4) { background: #85533d; }
.grid-card:nth-child(5) { background: #3a5f55; }
.grid-card:nth-child(6) { background: #282e2a; }
.grid-card:nth-child(7) { background: #1f3b30; }
.grid-card:nth-child(8) { background: #7c5831; }
.grid-card::after {
  content: '';
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 90px;
  height: 90px;
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  transition: var(--transition);
}
.grid-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.grid-card:hover::after { border-color: var(--gold); transform: scale(1.1); }
.grid-card .grid-num { font-family: Georgia, serif; font-size: 15px; color: var(--gold); letter-spacing: 0.06em; font-weight: 700; }
.grid-card h3 { font-size: 21px; font-weight: 700; margin: 16px 0 10px; letter-spacing: 0.02em; }
.grid-card p { font-size: 14px; line-height: 1.65; color: rgba(242,239,233,0.75); }
.grid-card .grid-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--gold); margin-top: 16px; transition: var(--transition); }
.grid-card .grid-link:hover { gap: 10px; }

/* 资料工具 */
.tools-block { background: var(--dark); border-radius: var(--radius-lg); padding: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; position: relative; overflow: hidden; }
.tools-block::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid rgba(193,154,91,0.2);
}
.tools-block::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: 40%;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.06);
}
.tool-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 32px 32px 30px;
  transition: var(--transition);
  position: relative;
  z-index: 2;
}
.tool-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); box-shadow: 0 12px 28px rgba(0,0,0,0.2); }
.tool-item .tool-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(193,154,91,0.2); display: flex; align-items: center; justify-content: center; color: var(--gold); margin-bottom: 18px; }
.tool-item h3 { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.tool-item p { font-size: 14px; color: rgba(242,239,233,0.66); line-height: 1.7; margin-bottom: 22px; }
.tool-item .btn { min-width: 130px; }

/* FAQ */
.faq-section { background: #fff; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
  text-align: left;
  width: 100%;
}
.faq-q:hover { color: var(--primary); }
.faq-q .faq-icon { flex-shrink: 0; width: 24px; height: 24px; position: relative; margin-left: 12px; }
.faq-q .faq-icon::before,
.faq-q .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--gold);
  border-radius: 2px;
  transition: var(--transition);
}
.faq-q .faq-icon::before { width: 14px; height: 2px; top: 11px; left: 5px; }
.faq-q .faq-icon::after { width: 2px; height: 14px; top: 5px; left: 11px; transform: rotate(90deg); }
.faq-item.open .faq-q .faq-icon::after { transform: rotate(0deg); }
.faq-item.open .faq-q { color: var(--primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-a-inner { padding: 0 18px 22px; font-size: 15px; color: var(--muted); line-height: 1.75; max-width: 740px; }
.faq-item.open .faq-a { max-height: 360px; }

/* CTA */
.cta-section { position: relative; background: url('/assets/images/backpic/back-3.webp') center / cover no-repeat; padding: 88px 0; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(110deg, rgba(22,48,42,0.96) 0%, rgba(22,48,42,0.85) 50%, rgba(29,59,52,0.7) 100%); }
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 560px; margin: 0 auto; }
.cta-inner h2 { font-size: 34px; font-weight: 700; color: #fff; margin-bottom: 14px; line-height: 1.3; }
.cta-inner p { font-size: 16px; color: rgba(242,239,233,0.8); margin-bottom: 32px; line-height: 1.7; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--dark); color: rgba(242,239,233,0.72); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 300px; }
.footer-col h4 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.1em; color: #f2efe9; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li a { font-size: 14px; line-height: 2.2; color: rgba(242,239,233,0.6); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 13px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.18); display: flex; align-items: center; justify-content: center; color: rgba(242,239,233,0.7); transition: var(--transition); }
.footer-social a:hover { border-color: var(--gold); color: var(--gold); }
.footer-social svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; }

/* 通用按钮内联 svg 尺寸 */
.btn svg { width: 16px; height: 16px; margin-left: 6px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* 响应式 */
@media (max-width: 1024px) {
  .header-inner { height: 68px; }
  .search-form input { width: 110px; }
  .main-nav a { padding: 8px 14px; font-size: 14px; }
  .grid-cards { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .overview-block { gap: 36px; }
  .tools-block { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    transition: right 0.35s ease;
    z-index: 200;
    box-shadow: 0 0 40px rgba(0,0,0,0.4);
  }
  .main-nav.open { right: 0; }
  .main-nav a { font-size: 18px; padding: 12px 28px; }
  .header-actions .search-form { display: none; }
  .header-actions .btn-sm { padding: 8px 14px; }
  .page-hero { padding: 60px 0 72px; }
  .page-hero h1 { font-size: 32px; }
  .overview-block { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .section-head h2 { font-size: 26px; }
  .grid-cards { grid-template-columns: 1fr; }
  .tools-block { padding: 32px 24px; }
  .cta-inner h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .header-actions .btn-outline { display: none; }
  .header-inner { gap: 8px; }
  .brand-text { font-size: 18px; }
  .btn-sm { padding: 8px 14px; font-size: 13px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero .hero-desc { font-size: 15px; }
  .grid-card { padding: 24px 20px; min-height: 180px; }
  .tool-item { padding: 24px 20px; }
  .faq-q { font-size: 16px; padding: 18px 10px; }
}

/* roulang page: category2 */
:root{
  --primary:#1D3B34;
  --primary-light:#2A5046;
  --gold:#C19A5B;
  --gold-light:#D4AF7A;
  --bg:#F7F4EF;
  --dark:#16302A;
  --text:#232824;
  --text-light:#5A6B63;
  --white:#FFFFFF;
  --line:rgba(29,59,52,0.10);
  --red:#9D442E;
  --radius:16px;
  --radius-sm:8px;
  --shadow:0 2px 16px rgba(29,59,52,0.06);
  --shadow-hover:0 10px 28px rgba(29,59,52,0.12);
  --transition:0.3s ease;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans CN",sans-serif;
  --serif:Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(193,154,91,0.5);outline-offset:2px;border-radius:4px}
/* 首页共享导航 */
.site-header{background:var(--dark);position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,0.12)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand-logo{display:flex;align-items:center;gap:10px}
.brand-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;background:var(--gold);color:#1D3B34;font-weight:800;font-size:18px;border-radius:10px;letter-spacing:1px;font-family:var(--serif)}
.brand-text{color:var(--bg);font-size:22px;font-weight:800;letter-spacing:2px}
.brand-text span{color:var(--gold)}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{color:rgba(242,239,233,0.85);font-size:16px;font-weight:500;position:relative;padding:6px 2px;transition:color 0.3s}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--gold);transition:width 0.3s}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.main-nav a:hover,.main-nav a.active{color:var(--gold)}
.header-actions{display:flex;align-items:center;gap:12px}
.header-search{position:relative;display:flex;align-items:center}
.header-search input{height:38px;border-radius:20px;border:1px solid rgba(255,255,255,0.15);background:rgba(255,255,255,0.08);color:var(--bg);font-size:14px;padding:0 16px;width:190px;outline:none;transition:all 0.3s}
.header-search input::placeholder{color:rgba(242,239,233,0.5)}
.header-search input:focus{border-color:var(--gold);background:rgba(255,255,255,0.12);width:220px}
.header-search button{position:absolute;right:12px;background:none;border:none;color:rgba(242,239,233,0.7);font-size:14px;cursor:pointer;transition:color 0.3s}
.header-search button:hover{color:var(--gold)}
.header-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:8px;font-size:14px;font-weight:600;background:var(--gold);color:#1D3B34;border:none;cursor:pointer;transition:all 0.3s}
.header-btn:hover{background:var(--gold-light);color:#1D3B34;transform:translateY(-2px);box-shadow:0 6px 16px rgba(193,154,91,0.3)}
.header-mobile-btn{display:none;background:none;border:none;color:var(--bg);font-size:24px;cursor:pointer}
.mobile-menu{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:var(--dark);z-index:200;flex-direction:column;padding:24px;gap:16px;overflow-y:auto}
.mobile-menu.open{display:flex}
.mobile-menu-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.mobile-menu-close{background:none;border:none;color:var(--bg);font-size:28px;cursor:pointer}
.mobile-menu .main-nav{flex-direction:column;align-items:flex-start;gap:12px}
.mobile-menu .main-nav a{font-size:22px}
.mobile-menu .header-actions{flex-direction:column;align-items:stretch;margin-top:24px}
.mobile-menu .header-search input{width:100%}
/* Hero 横幅 */
.page-hero{background:linear-gradient(135deg,rgba(22,48,42,0.92),rgba(29,59,52,0.82)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;padding:72px 0 64px;color:var(--bg)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(242,239,233,0.6);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:rgba(242,239,233,0.75)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .current{color:var(--gold)}
.page-hero h1{font-size:44px;font-weight:800;color:var(--bg);line-height:1.25;margin-bottom:16px;letter-spacing:2px}
.page-hero h1 em{color:var(--gold);font-style:normal}
.page-hero p{font-size:16px;color:rgba(242,239,233,0.8);max-width:640px;line-height:1.8}
.page-hero .hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(193,154,91,0.15);border:1px solid rgba(193,154,91,0.3);padding:6px 16px;border-radius:999px;font-size:13px;color:var(--gold);margin-bottom:24px}
/* 宫格索引区块 */
.index-section{padding:80px 0}
.index-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.index-card{background:var(--white);border-radius:var(--radius);padding:36px 28px;position:relative;border:1px solid var(--line);box-shadow:var(--shadow);transition:all var(--transition);overflow:hidden;min-height:220px;display:flex;flex-direction:column}
.index-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform 0.35s ease}
.index-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:rgba(193,154,91,0.3)}
.index-card:hover::before{transform:scaleX(1)}
.index-card .card-num{font-family:var(--serif);font-size:48px;color:rgba(29,59,52,0.12);font-weight:700;line-height:1;margin-bottom:20px;transition:color 0.3s}
.index-card:hover .card-num{color:var(--gold)}
.index-card h3{font-size:19px;color:var(--primary);margin-bottom:12px;font-weight:700}
.index-card p{font-size:14px;color:var(--text-light);line-height:1.75;flex:1}
.index-card .card-link{display:inline-flex;align-items:center;gap:4px;margin-top:18px;font-size:14px;font-weight:600;color:var(--gold);opacity:0;transform:translateY(4px);transition:all 0.3s}
.index-card:hover .card-link{opacity:1;transform:translateY(0)}
.index-card .card-link:hover{gap:8px}
/* 概览横幅 */
.overview-banner{background:var(--primary);border-radius:20px;padding:48px;color:var(--bg);margin-bottom:24px;position:relative;overflow:hidden}
.overview-banner::after{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;background:rgba(193,154,91,0.1)}
.overview-banner::before{content:"";position:absolute;right:40px;bottom:-80px;width:160px;height:160px;border-radius:50%;background:rgba(193,154,91,0.06)}
.overview-banner h2{font-size:28px;font-weight:700;margin-bottom:16px;color:#F2EFE9;position:relative;z-index:1}
.overview-banner h2 span{color:var(--gold)}
.overview-banner p{font-size:15px;color:rgba(242,239,233,0.85);max-width:820px;line-height:1.9;position:relative;z-index:1}
.overview-feature{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px;position:relative;z-index:1}
.overview-feature span{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.12);padding:8px 20px;border-radius:999px;font-size:14px;color:#F2EFE9}
.overview-feature i{color:var(--gold)}
/* 工具导航区 */
.tools-section{padding:64px 0;background:var(--white);border-top:1px solid var(--line)}
.tools-section h2{font-size:32px;font-weight:800;color:var(--primary);text-align:center;margin-bottom:8px}
.tools-section .section-desc{text-align:center;color:var(--text-light);font-size:15px;max-width:620px;margin:0 auto 48px;line-height:1.8}
.tools-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:1000px;margin:0 auto}
.tool-item{display:flex;align-items:center;gap:20px;background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:28px 32px;transition:all var(--transition);cursor:pointer}
.tool-item:hover{background:var(--primary);border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.tool-item .tool-icon{width:56px;height:56px;border-radius:14px;background:rgba(29,59,52,0.08);display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary);flex-shrink:0;transition:all 0.3s}
.tool-item:hover .tool-icon{background:rgba(193,154,91,0.25);color:var(--gold)}
.tool-item h4{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:5px;transition:color 0.3s}
.tool-item:hover h4{color:#F2EFE9}
.tool-item p{font-size:14px;color:var(--text-light);transition:color 0.3s}
.tool-item:hover p{color:rgba(242,239,233,0.8)}
/* FAQ 区块 */
.faq-section{padding:80px 0;background:var(--bg)}
.faq-section h2{font-size:32px;font-weight:800;color:var(--primary);text-align:center;margin-bottom:48px}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;transition:all 0.3s}
.faq-item:hover{border-color:rgba(193,154,91,0.3)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 32px;font-size:17px;font-weight:600;color:var(--primary);cursor:pointer;list-style:none;transition:background 0.3s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--gold);font-size:18px;transition:transform 0.3s;flex-shrink:0}
.faq-item[open] summary{background:rgba(193,154,91,0.06)}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-item .faq-content{padding:0 32px 24px;font-size:15px;color:var(--text-light);line-height:1.9}
/* CTA 横幅 */
.cta-section{background:var(--dark);padding:72px 0;position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(193,154,91,0.5),transparent)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;z-index:1}
.cta-left h2{font-size:32px;font-weight:800;color:var(--bg);margin-bottom:12px}
.cta-left h2 span{color:var(--gold)}
.cta-left p{color:rgba(242,239,233,0.8);font-size:16px;max-width:520px}
.cta-btn{display:inline-flex;align-items:center;gap:10px;background:var(--gold);color:var(--dark);padding:14px 32px;border-radius:8px;font-size:16px;font-weight:700;border:none;cursor:pointer;transition:all 0.3s;white-space:nowrap}
.cta-btn:hover{background:var(--gold-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(193,154,91,0.3);color:var(--dark)}
/* 页脚 */
.site-footer{background:var(--dark);color:rgba(242,239,233,0.8);padding:64px 0 0;border-top:3px solid rgba(193,154,91,0.15)}
.site-footer .footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1.2fr 1.2fr;gap:40px;margin-bottom:48px}
.footer-brand .brand-logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(242,239,233,0.65);max-width:300px}
.footer-col h4{font-size:15px;font-weight:700;color:var(--gold);margin-bottom:18px;letter-spacing:1px;text-transform:uppercase}
.footer-col ul li{margin-bottom:8px}
.footer-col ul a{color:rgba(242,239,233,0.7);font-size:14px;transition:all 0.3s}
.footer-col ul a:hover{color:var(--gold);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:24px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;align-items:center;font-size:13px;color:rgba(242,239,233,0.5)}
.footer-social{display:flex;gap:12px}
.footer-social a{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,0.15);border-radius:50%;color:rgba(242,239,233,0.7);transition:all 0.3s}
.footer-social a:hover{background:var(--gold);border-color:var(--gold);color:var(--dark)}
/* 响应式 */
@media screen and (max-width:1024px){
  .header-search input{width:150px}
  .index-grid{grid-template-columns:repeat(3,1fr)}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:768px){
  .header-search,.header-btn{display:none}
  .header-mobile-btn{display:block}
  .page-hero h1{font-size:34px}
  .index-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .index-card{padding:24px;min-height:200px}
  .tools-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;text-align:center}
  .site-footer .footer-grid{grid-template-columns:1fr}
  .overview-banner{padding:32px 24px}
  .faq-item summary{padding:18px 20px}
  .faq-item .faq-content{padding:0 20px 20px}
}
@media screen and (max-width:520px){
  .container{padding:0 16px}
  .header-inner{height:62px}
  .brand-icon{width:36px;height:36px;font-size:15px}
  .brand-text{font-size:18px}
  .page-hero{padding:48px 0 40px}
  .page-hero h1{font-size:28px}
  .index-grid{grid-template-columns:1fr;gap:14px}
  .index-card{min-height:auto;padding:22px}
  .overview-feature span{font-size:13px;padding:6px 14px}
  .tools-section{padding:48px 0}
  .tools-section h2{font-size:26px}
  .faq-section h2{font-size:26px}
}

/* roulang page: article */
:root {
  --green: #1D3B34;
  --green-deep: #16302A;
  --gold: #C19A5B;
  --gold-light: #D4AF7E;
  --bg: #F7F4EF;
  --text: #232824;
  --text-light: #5A6B63;
  --text-white: #F2EFE9;
  --red: #9D442E;
  --border: rgba(29, 59, 52, 0.10);
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 2px 16px rgba(29, 59, 52, 0.06);
  --shadow-hover: 0 10px 28px rgba(29, 59, 52, 0.12);
  --transition: all 0.3s ease;
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

::selection {
  background: rgba(193, 154, 91, 0.25);
}

/* ===== Header / Nav ===== */
.site-header {
  background: var(--green-deep);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.brand-icon {
  background: var(--gold);
  color: var(--green-deep);
  font-family: Georgia, serif;
  font-weight: 700;
  font-size: 18px;
  padding: 6px 10px;
  border-radius: 8px;
  letter-spacing: 1px;
}

.brand-text {
  color: var(--text-white);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  color: rgba(242, 239, 233, 0.82);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 8px 2px;
  white-space: nowrap;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: var(--transition);
}

.main-nav a:hover {
  color: #fff;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

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

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

.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 0 14px;
  height: 38px;
  width: 200px;
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.12);
}

.search-box .icon {
  width: 15px;
  height: 15px;
  color: rgba(255, 255, 255, 0.5);
  margin-right: 8px;
  flex-shrink: 0;
}

.search-box input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-white);
  font-size: 13px;
  min-width: 0;
}

.search-box input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.btn-outline-light {
  height: 38px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

.btn-gold {
  height: 38px;
  padding: 0 20px;
  background: var(--gold);
  color: var(--green-deep);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-gold:hover {
  background: var(--gold-light);
  color: var(--green-deep);
  box-shadow: 0 4px 16px rgba(193, 154, 91, 0.35);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}

.mobile-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text-white);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-nav-actions {
  display: none;
}

/* ===== Breadcrumb ===== */
.article-main {
  padding: 56px 0 40px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #8A9990;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: #8A9990;
}

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

.breadcrumb .sep {
  color: #C5CEC9;
}

.breadcrumb .current {
  color: var(--green);
  font-weight: 500;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Article Column ===== */
.article-column {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border-radius: 20px;
  border: 1px solid var(--border);
  padding: 48px 56px 40px;
  box-shadow: var(--shadow);
}

.article-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--green);
  line-height: 1.35;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #8A9990;
  font-size: 13px;
  flex-wrap: wrap;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

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

.meta-icon {
  width: 15px;
  height: 15px;
  color: var(--gold);
  flex-shrink: 0;
}

.meta-cat {
  background: rgba(193, 154, 91, 0.12);
  color: var(--green);
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.article-body {
  font-size: 16.5px;
  line-height: 1.8;
  color: #2A2F2B;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body h2 {
  font-size: 26px;
  color: var(--green);
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
}

.article-body h3 {
  font-size: 20px;
  color: var(--green);
  margin: 32px 0 12px;
  font-weight: 600;
}

.article-body img {
  border-radius: 12px;
  border: 1px solid var(--border);
  margin: 24px 0;
  box-shadow: var(--shadow);
}

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

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

.article-body blockquote {
  border-left: 4px solid var(--gold);
  background: rgba(193, 154, 91, 0.06);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 12px 12px 0;
  color: var(--text-light);
  font-style: italic;
}

.article-body a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}

.article-body table th,
.article-body table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}

.article-body table th {
  background: rgba(29, 59, 52, 0.05);
  color: var(--green);
  font-weight: 600;
}

/* ===== Tags ===== */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 40px 0 24px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border: 1px solid rgba(193, 154, 91, 0.5);
  border-radius: 999px;
  font-size: 13px;
  color: var(--green);
  background: #fff;
  transition: var(--transition);
}

.tag:hover {
  background: rgba(193, 154, 91, 0.1);
  border-color: var(--gold);
  color: var(--green);
}

/* ===== Pager ===== */
.article-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.pager-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  background: #fff;
  transition: var(--transition);
}

.pager-btn:hover {
  border-color: var(--gold);
  color: var(--green);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.pager-btn .arrow {
  color: var(--gold);
  font-size: 16px;
}

/* ===== Not Found ===== */
.article-notfound {
  text-align: center;
  padding: 90px 20px;
}

.notfound-icon {
  font-size: 72px;
  font-family: Georgia, serif;
  color: rgba(193, 154, 91, 0.4);
  margin-bottom: 20px;
  line-height: 1;
}

.article-notfound p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 28px;
}

.btn-solid-green {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  background: var(--green);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-solid-green:hover {
  background: var(--green-deep);
  color: #fff;
  box-shadow: 0 6px 20px rgba(29, 59, 52, 0.3);
  transform: translateY(-2px);
}

/* ===== Related ===== */
.related-posts {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 0 24px;
}

.related-posts h2 {
  font-size: 28px;
  color: var(--green);
  font-weight: 700;
  margin-bottom: 32px;
  text-align: center;
  position: relative;
}

.related-posts h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--gold);
  margin: 12px auto 0;
  border-radius: 3px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.related-card {
  display: block;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(193, 154, 91, 0.4);
}

.related-card .card-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--green);
}

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

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

.related-card .card-body {
  padding: 20px 22px 22px;
}

.related-card .card-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 10px;
  transition: var(--transition);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.related-card:hover .card-body h3 {
  color: var(--green);
}

.related-card .card-body .date {
  font-size: 12px;
  color: #8A9990;
}

.back-link {
  text-align: center;
  padding-bottom: 12px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  border: 1.5px solid var(--green);
  border-radius: var(--radius-sm);
  color: var(--green);
  font-size: 14px;
  font-weight: 500;
  background: transparent;
  transition: var(--transition);
  cursor: pointer;
}

.btn-outline:hover {
  background: var(--green);
  color: #fff;
  box-shadow: 0 4px 16px rgba(29, 59, 52, 0.25);
  transform: translateY(-2px);
}

/* ===== CTA Banner ===== */
.cta-banner {
  max-width: 1200px;
  margin: 32px auto 20px;
  background: var(--green-deep);
  border-radius: var(--radius);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 200px;
  height: 200px;
  border: 2px solid rgba(193, 154, 91, 0.2);
  border-radius: 50%;
}

.cta-banner::after {
  content: '';
  position: absolute;
  right: 40px;
  bottom: -80px;
  width: 140px;
  height: 140px;
  border: 1px solid rgba(193, 154, 91, 0.15);
  border-radius: 50%;
}

.cta-banner .cta-content {
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 260px;
}

.cta-banner h2 {
  color: var(--text-white);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-banner p {
  color: rgba(242, 239, 233, 0.7);
  font-size: 14px;
  line-height: 1.6;
}

.btn-gold-lg {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 32px;
  background: var(--gold);
  color: var(--green-deep);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-gold-lg:hover {
  background: var(--gold-light);
  color: var(--green-deep);
  box-shadow: 0 6px 24px rgba(193, 154, 91, 0.4);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--green-deep);
  color: rgba(242, 239, 233, 0.7);
  padding: 60px 0 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 239, 233, 0.6);
  max-width: 320px;
}

.footer-col h4 {
  color: var(--text-white);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.footer-col li {
  margin-bottom: 6px;
}

.footer-col a {
  color: rgba(242, 239, 233, 0.7);
  font-size: 14px;
  line-height: 2.2;
  display: inline-block;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(242, 239, 233, 0.5);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-social {
  display: flex;
  gap: 14px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(242, 239, 233, 0.7);
  transition: var(--transition);
}

.footer-social a:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .header-inner {
    height: 64px;
    gap: 16px;
  }
  .search-box {
    width: 150px;
  }
  .main-nav {
    gap: 20px;
  }
  .article-column {
    padding: 40px 36px 32px;
  }
  .footer-grid {
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--green-deep);
    flex-direction: column;
    padding: 28px 24px;
    gap: 18px;
    transform: translateY(-130%);
    transition: transform 0.35s ease;
    z-index: 99;
    align-items: flex-start;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .mobile-toggle {
    display: flex;
  }
  .header-actions > .search-box,
  .header-actions > .btn-outline-light,
  .header-actions > .btn-gold {
    display: none;
  }
  .mobile-nav-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
    width: 100%;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  .mobile-nav-actions .btn-outline-light,
  .mobile-nav-actions .btn-gold {
    display: inline-flex;
    width: 100%;
    height: 42px;
  }
  .mobile-nav-actions .search-box {
    width: 100%;
    height: 42px;
  }
  .article-main {
    padding: 32px 0 20px;
  }
  .article-column {
    padding: 32px 24px 28px;
    border-radius: 14px;
  }
  .article-title {
    font-size: 26px;
  }
  .article-body {
    font-size: 15.5px;
  }
  .article-meta {
    gap: 12px 16px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .cta-banner {
    padding: 28px 24px;
    text-align: center;
    justify-content: center;
  }
  .cta-banner .cta-content {
    min-width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .article-column {
    padding: 24px 18px 20px;
  }
  .article-title {
    font-size: 22px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .breadcrumb .current {
    max-width: 140px;
  }
  .article-pager {
    flex-direction: column;
  }
  .pager-btn {
    justify-content: center;
  }
}