/* roulang page: index */
:root {
  --primary: #16324f;
  --primary-dark: #0e2236;
  --primary-light: #2563eb;
  --accent: #e8a33d;
  --accent-light: #f5c169;
  --bg-light: #f7f7f9;
  --bg-white: #ffffff;
  --bg-deep: #0e2236;
  --text-main: #1e2433;
  --text-weak: #657089;
  --border: #e5e7eb;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 8px 20px rgba(22, 50, 79, .06);
  --shadow-md: 0 20px 40px rgba(22, 50, 79, .10);
  --shadow-lg: 0 30px 60px rgba(22, 50, 79, .14);
  --space-section: 96px;
  --container-max: 1200px;
  --transition: .32s cubic-bezier(.4, 0, .2, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; background: var(--bg-light); color: var(--text-main); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }
ul, ol { list-style: none; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; }
.section-sm { padding: 56px 0; }
.text-center { text-align: center; }
.section-title { font-size: 36px; line-height: 1.3; font-weight: 700; color: var(--primary); letter-spacing: -.5px; }
.section-subtitle { font-size: 17px; color: var(--text-weak); max-width: 640px; margin: 16px auto 0; }
.section-head { text-align: center; margin-bottom: 52px; }
.section-head .leaf { display: inline-flex; align-items: center; gap: 8px; background: rgba(232, 163, 61, .12); color: var(--accent); font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 30px; letter-spacing: 1px; margin-bottom: 16px; }
.section-head .leaf i { font-size: 14px; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(37, 99, 235, .35); outline-offset: 2px; border-radius: 4px; }

/* ===== 导航 ===== */
.site-header { position: relative; z-index: 100; padding: 20px 0 0; }
.nav-wrap { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.nav-pill { display: flex; align-items: center; justify-content: space-between; background: rgba(255, 255, 255, .86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-radius: 50px; padding: 10px 24px 10px 28px; box-shadow: 0 8px 32px rgba(22, 50, 79, .12); border: 1px solid rgba(255, 255, 255, .6); }
.brand { font-size: 22px; font-weight: 800; color: var(--primary); display: flex; align-items: center; gap: 8px; }
.brand i { color: var(--accent); font-size: 20px; }
.brand span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-list { display: flex; align-items: center; gap: 8px; }
.nav-list li a { display: inline-block; padding: 8px 18px; border-radius: 40px; font-size: 15px; font-weight: 500; color: var(--text-main); transition: all var(--transition); }
.nav-list li a:hover { background: rgba(37, 99, 235, .08); color: var(--primary-light); }
.nav-list li a.active { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(22, 50, 79, .3); }
.nav-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--primary); cursor: pointer; padding: 6px 10px; border-radius: 8px; }
.nav-toggle:hover { background: rgba(22, 50, 79, .06); }

/* ===== 按钮 ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 16px; font-weight: 600; border-radius: 50px; padding: 13px 30px; border: none; cursor: pointer; transition: all var(--transition); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 24px rgba(22, 50, 79, .25); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(22, 50, 79, .3); color: #fff; }
.btn-ghost { background: transparent; border: 1.5px solid rgba(255, 255, 255, .7); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .15); color: #fff; }
.btn-accent { background: var(--accent); color: var(--primary-dark); box-shadow: 0 8px 24px rgba(232, 163, 61, .3); }
.btn-accent:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(232, 163, 61, .4); color: var(--primary-dark); }
.btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* ===== Hero ===== */
.hero { position: relative; min-height: 660px; display: flex; align-items: center; background: linear-gradient(135deg, rgba(14, 34, 54, .88), rgba(22, 50, 79, .72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; color: #fff; padding: 120px 0 100px; margin-top: -76px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .2); padding: 6px 18px; border-radius: 40px; font-size: 14px; font-weight: 500; letter-spacing: 1px; margin-bottom: 28px; }
.hero h1 { font-size: 52px; line-height: 1.2; font-weight: 800; max-width: 720px; margin-bottom: 20px; letter-spacing: -1px; }
.hero h1 .highlight { color: var(--accent); }
.hero p.lead { font-size: 18px; max-width: 600px; opacity: .88; margin-bottom: 38px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-stats { margin-top: 60px; padding-top: 40px; border-top: 1px solid rgba(255, 255, 255, .18); display: flex; flex-wrap: wrap; gap: 40px; }
.hero-stat { text-align: left; }
.hero-stat .num { font-size: 32px; font-weight: 800; color: var(--accent); }
.hero-stat .label { font-size: 14px; opacity: .8; }

/* ===== 卡片 ===== */
.card { background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: all var(--transition); overflow: hidden; height: 100%; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.card-img img { width: 100%; height: 220px; object-fit: cover; }
.card-body { padding: 28px; }
.card-body h3, .card-body h4 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.card-body p { font-size: 15px; color: var(--text-weak); line-height: 1.75; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--primary-light); }
.card-link i { transition: transform var(--transition); }
.card-link:hover i { transform: translateX(4px); }

/* ===== 徽章 ===== */
.badge { display: inline-block; background: rgba(37, 99, 235, .1); color: var(--primary-light); padding: 4px 12px; border-radius: 30px; font-size: 12px; font-weight: 600; margin: 0 8px 8px 0; }
.badge-accent { background: rgba(232, 163, 61, .14); color: #a47a1f; }

/* ===== 特性区块 ===== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.feature-card { background: var(--bg-white); border-radius: var(--radius-md); padding: 40px 34px; box-shadow: var(--shadow-sm); transition: all var(--transition); border-top: 4px solid transparent; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-top-color: var(--accent); }
.feature-icon { width: 64px; height: 64px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; font-size: 26px; display: flex; align-items: center; justify-content: center; border-radius: 18px; margin-bottom: 22px; box-shadow: 0 8px 20px rgba(22, 50, 79, .2); }
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.feature-card p { font-size: 15px; color: var(--text-weak); line-height: 1.8; }

/* ===== 分类入口 ===== */
.category-entries { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px; }
.category-entry { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 340px; display: flex; align-items: flex-end; box-shadow: var(--shadow-md); transition: all var(--transition); }
.category-entry:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.category-entry img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.category-entry::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(14, 34, 54, .88) 0%, rgba(14, 34, 54, .2) 50%, rgba(14, 34, 54, .05) 100%); z-index: 1; }
.category-entry-info { position: relative; z-index: 2; padding: 44px; color: #fff; }
.category-entry-info h3 { font-size: 26px; font-weight: 800; margin-bottom: 10px; }
.category-entry-info p { opacity: .9; font-size: 15px; margin-bottom: 18px; max-width: 360px; }
.category-entry-info .btn { background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .35); color: #fff; padding: 10px 24px; font-size: 14px; }
.category-entry-info .btn:hover { background: var(--accent); border-color: var(--accent); color: var(--primary-dark); }
.entry-tag { display: inline-block; background: rgba(232, 163, 61, .9); color: var(--primary-dark); font-size: 12px; font-weight: 700; padding: 4px 14px; border-radius: 20px; margin-bottom: 14px; }

/* ===== 数据带 ===== */
.stats-band { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; padding: 70px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.stat-item .icon { font-size: 32px; color: var(--accent); margin-bottom: 10px; }
.stat-item .num { font-size: 40px; font-weight: 800; }
.stat-item .desc { font-size: 14px; opacity: .8; margin-top: 4px; }

/* ===== 资讯列表 ===== */
.news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.news-card { display: flex; background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); overflow: hidden; transition: all var(--transition); }
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.news-card-img { flex: 0 0 180px; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; }
.news-card-body { padding: 22px 24px; display: flex; flex-direction: column; justify-content: center; }
.news-card-body .meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-weak); margin-bottom: 8px; }
.news-card-body .meta .cat { color: var(--accent); font-weight: 600; }
.news-card-body h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 8px; line-height: 1.5; }
.news-card-body p { font-size: 14px; color: var(--text-weak); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.empty-tip { grid-column: 1 / -1; text-align: center; padding: 50px 20px; background: var(--bg-white); border-radius: var(--radius-md); color: var(--text-weak); font-size: 16px; }
.btn-more-wrap { text-align: center; margin-top: 40px; }

/* ===== 图文板块 ===== */
.media-row { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.media-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); position: relative; }
.media-img img { width: 100%; height: 420px; object-fit: cover; }
.media-img .img-note { position: absolute; bottom: 18px; left: 18px; background: rgba(14, 34, 54, .8); color: #fff; padding: 8px 16px; border-radius: 30px; font-size: 13px; backdrop-filter: blur(6px); }
.media-text h2 { font-size: 32px; color: var(--primary); margin-bottom: 20px; line-height: 1.3; }
.media-text p { color: var(--text-weak); font-size: 16px; line-height: 1.9; margin-bottom: 16px; }
.media-text .check-list { margin-top: 20px; }
.media-text .check-list li { padding: 8px 0; font-size: 15px; color: var(--text-main); display: flex; align-items: center; gap: 10px; }
.media-text .check-list li i { color: var(--accent); }
.media-text .btn { margin-top: 24px; }

/* ===== 推荐内容三卡片 ===== */
.trio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.trio-card .card-body { padding: 24px; }
.trio-card .card-body h4 { font-size: 17px; }
.rank-number { position: absolute; top: 14px; left: 14px; background: var(--accent); color: var(--primary-dark); width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 16px; box-shadow: 0 4px 12px rgba(0, 0, 0, .2); z-index: 2; }

/* ===== 流程 ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: step; }
.step-item { position: relative; text-align: center; padding: 36px 20px; background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: all var(--transition); }
.step-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step-item::before { counter-increment: step; content: "0" counter(step); position: absolute; top: 20px; right: 22px; font-size: 38px; font-weight: 800; color: rgba(22, 50, 79, .08); }
.step-icon { width: 56px; height: 56px; margin: 0 auto 18px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: 16px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 22px; box-shadow: 0 8px 16px rgba(22, 50, 79, .18); }
.step-item h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin-bottom: 16px; overflow: hidden; transition: box-shadow var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-question { padding: 22px 28px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 700; color: var(--primary); font-size: 17px; gap: 16px; }
.faq-question i { color: var(--accent); font-size: 16px; transition: transform var(--transition); flex-shrink: 0; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-answer p { padding: 0 28px 24px; color: var(--text-weak); font-size: 15px; line-height: 1.85; }
.faq-item.open .faq-answer { max-height: 500px; }
.faq-item.open .faq-question i { transform: rotate(180deg); }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; color: #fff; text-align: center; padding: 90px 0; border-radius: 32px; margin: 0 24px; position: relative; overflow: hidden; }
.cta-section::before { content: ""; position: absolute; inset: 0; background: rgba(14, 34, 54, .5); }
.cta-inner { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.cta-inner h2 { font-size: 38px; font-weight: 800; margin-bottom: 18px; }
.cta-inner p { font-size: 17px; opacity: .9; margin-bottom: 34px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-deep); color: rgba(255, 255, 255, .75); padding: 80px 0 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer-brand h3 { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.footer-brand h3 i { color: var(--accent); font-size: 22px; }
.footer-brand p { font-size: 14px; line-height: 1.9; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255, 255, 255, .7); }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom { padding: 24px 0; text-align: center; font-size: 13px; color: rgba(255, 255, 255, .5); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .trio-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .media-row { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 42px; }
  .section-title { font-size: 30px; }
}
@media (max-width: 768px) {
  .site-header { padding: 12px 0 0; }
  .nav-pill { padding: 8px 14px; flex-wrap: wrap; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-list { display: none; flex-direction: column; width: 100%; gap: 4px; padding: 12px 0 4px; border-top: 1px solid rgba(22, 50, 79, .08); margin-top: 10px; }
  .nav-list.open { display: flex; }
  .nav-list li { width: 100%; }
  .nav-list li a { display: block; width: 100%; padding: 10px 16px; }
  .hero { min-height: 560px; padding: 130px 0 80px; }
  .hero h1 { font-size: 34px; }
  .hero p.lead { font-size: 16px; }
  .hero-stats { gap: 24px; }
  .hero-stat .num { font-size: 26px; }
  .features-grid { grid-template-columns: 1fr; }
  .category-entries { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .news-list { grid-template-columns: 1fr; }
  .news-card { flex-direction: column; }
  .news-card-img { flex: none; height: 180px; }
  .steps { grid-template-columns: 1fr; }
  .trio-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 26px; }
  .section { padding: 64px 0; }
  .cta-section { margin: 0 16px; padding: 60px 24px; }
  .cta-inner h2 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .media-img img { height: 300px; }
}
@media (max-width: 520px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr; }
  .stats-band { padding: 50px 0; }
}

/* roulang page: category1 */
:root {
  --primary: #A8232E;
  --primary-dark: #8C1B24;
  --primary-soft: #FBE9EA;
  --secondary: #1F3A5F;
  --secondary-dark: #16293F;
  --gold: #D8A657;
  --bg-body: #F7F4EF;
  --bg-white: #FFFFFF;
  --bg-dark: #1A2533;
  --text: #22262E;
  --text-soft: #5C6370;
  --text-light: #9AA1AC;
  --border: #E7E0D6;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 12px rgba(28,32,40,.06);
  --shadow-md: 0 12px 30px rgba(28,32,40,.09);
  --shadow-lg: 0 24px 60px rgba(28,32,40,.16);
  --font-body: "PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body); color: var(--text); background: var(--bg-body); line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(168,35,46,.35); outline-offset: 3px; }
ul { list-style: none; margin: 0; padding: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.section-alt { background: var(--bg-white); }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-head { max-width: 720px; margin: 0 auto 54px; text-align: center; }
.section-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--primary); background: var(--primary-soft); padding: 7px 16px; border-radius: 40px; margin-bottom: 14px; }
.section-title { font-size: 34px; line-height: 1.3; font-weight: 800; margin: 0 0 14px; color: var(--text); letter-spacing: -0.5px; }
.section-title span { color: var(--primary); }
.section-desc { font-size: 16px; color: var(--text-soft); margin: 0; }
.section-dark .section-title { color: #fff; }
.section-dark .section-desc { color: rgba(255,255,255,.72); }

.site-header { position: sticky; top: 16px; z-index: 100; }
.nav-wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.nav-pill { display: flex; align-items: center; justify-content: space-between; background: rgba(255,255,255,.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid rgba(255,255,255,.7); box-shadow: var(--shadow-md); border-radius: 60px; padding: 10px 12px 10px 24px; position: relative; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--primary); letter-spacing: .5px; }
.brand i { font-size: 17px; }
.brand:hover { color: var(--primary-dark); }
.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-list a { display: inline-block; padding: 10px 20px; border-radius: 40px; font-size: 15px; font-weight: 600; color: var(--text-soft); line-height: 1.4; }
.nav-list a:hover { color: var(--primary); background: var(--primary-soft); }
.nav-list a.active { color: #fff; background: var(--primary); box-shadow: 0 8px 20px rgba(168,35,46,.32); }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); font-size: 18px; cursor: pointer; align-items: center; justify-content: center; }

.page-head { position: relative; margin-top: 26px; border-radius: 28px; overflow: hidden; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; min-height: 440px; display: flex; align-items: center; color: #fff; }
.page-head::before { content: ""; position: absolute; inset: 0; background: linear-gradient(105deg, rgba(22,30,42,.92) 10%, rgba(38,28,33,.72) 52%, rgba(168,35,46,.42) 100%); }
.page-head .container { position: relative; z-index: 2; }
.page-crumb { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,.78); margin-bottom: 20px; }
.page-crumb a:hover { color: #fff; }
.page-crumb i { font-size: 12px; opacity: .7; }
.page-h1 { font-size: 48px; line-height: 1.25; font-weight: 800; margin: 0 0 18px; letter-spacing: -1px; }
.page-h1 span { color: #F2C879; }
.page-lead { max-width: 640px; font-size: 17px; line-height: 1.85; color: rgba(255,255,255,.86); margin: 0 0 32px; }
.head-stats { display: flex; flex-wrap: wrap; gap: 18px; }
.stat-pill { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); border-radius: 16px; padding: 14px 20px; min-width: 128px; backdrop-filter: blur(6px); }
.stat-pill strong { display: block; font-size: 22px; font-weight: 800; line-height: 1.2; }
.stat-pill span { font-size: 13px; color: rgba(255,255,255,.75); }

.feature-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 26px; height: 100%; box-shadow: var(--shadow-sm); transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(168,35,46,.28); }
.feature-icon { width: 56px; height: 56px; border-radius: 18px; display: flex; align-items: center; justify-content: center; font-size: 22px; color: #fff; background: linear-gradient(135deg, var(--primary), #D14A52); margin-bottom: 20px; box-shadow: 0 10px 24px rgba(168,35,46,.25); }
.feature-card h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.feature-card p { font-size: 14.5px; color: var(--text-soft); margin: 0; }

.map-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; height: 100%; transition: transform .3s ease, box-shadow .3s ease; position: relative; }
.map-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.map-media { position: relative; height: 150px; overflow: hidden; }
.map-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.map-card:hover .map-media img { transform: scale(1.06); }
.map-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,0,0,.35)); }
.map-icon { position: absolute; left: 18px; bottom: -22px; z-index: 2; width: 44px; height: 44px; border-radius: 14px; background: var(--secondary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; box-shadow: 0 8px 18px rgba(31,58,95,.28); border: 3px solid #fff; }
.map-body { padding: 30px 22px 22px; }
.map-body h3 { font-size: 18px; font-weight: 700; margin: 0 0 8px; }
.map-body p { font-size: 14px; color: var(--text-soft); margin: 0 0 14px; }
.map-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-light); }
.map-meta a { color: var(--primary); font-weight: 700; font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.map-meta a:hover { gap: 10px; color: var(--primary-dark); }

.steps-wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-item { position: relative; background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 34px 24px 28px; text-align: center; box-shadow: var(--shadow-sm); transition: transform .3s ease, box-shadow .3s ease; }
.step-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-num { width: 46px; height: 46px; line-height: 46px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 17px; font-weight: 800; margin: 0 auto 18px; box-shadow: 0 10px 22px rgba(168,35,46,.28); }
.step-item h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; }
.step-item p { font-size: 14px; color: var(--text-soft); margin: 0; }
.step-arrow { position: absolute; top: 50%; right: -18px; transform: translateY(-50%); color: var(--gold); font-size: 18px; z-index: 2; }

.rank-list { max-width: 860px; margin: 0 auto; }
.rank-item { display: flex; align-items: center; gap: 18px; background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px 22px; margin-bottom: 14px; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.rank-item:hover { transform: translateX(8px); box-shadow: var(--shadow-md); border-color: rgba(168,35,46,.3); }
.rank-num { width: 42px; height: 42px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); font-weight: 800; font-size: 16px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.rank-item:nth-child(1) .rank-num { background: var(--primary); color: #fff; box-shadow: 0 8px 18px rgba(168,35,46,.28); }
.rank-item:nth-child(2) .rank-num, .rank-item:nth-child(3) .rank-num { background: var(--secondary); color: #fff; }
.rank-info h3 { font-size: 16px; font-weight: 700; margin: 0 0 3px; }
.rank-info p { font-size: 13.5px; color: var(--text-soft); margin: 0; }
.rank-badge { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; background: #F0F4EA; color: #4A7B2F; font-size: 12.5px; font-weight: 700; padding: 6px 12px; border-radius: 30px; flex-shrink: 0; }

.article-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; height: 100%; transition: transform .3s ease, box-shadow .3s ease; display: flex; flex-direction: column; }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.article-media { height: 180px; overflow: hidden; position: relative; }
.article-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.article-card:hover .article-media img { transform: scale(1.06); }
.article-tag { position: absolute; left: 16px; top: 16px; background: rgba(255,255,255,.92); color: var(--primary); font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 30px; box-shadow: var(--shadow-sm); }
.article-body { padding: 24px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.article-body h3 { font-size: 17px; font-weight: 700; margin: 0 0 10px; line-height: 1.5; }
.article-body p { font-size: 14px; color: var(--text-soft); margin: 0 0 16px; flex: 1; }
.article-body .map-meta { border-top: 1px dashed var(--border); padding-top: 14px; }

.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 14px; box-shadow: var(--shadow-sm); transition: box-shadow .25s ease; }
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-question { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 24px; cursor: pointer; font-size: 16px; font-weight: 700; }
.faq-question i { color: var(--primary); transition: transform .3s ease; flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-answer p { padding: 0 24px 22px; margin: 0; font-size: 14.5px; color: var(--text-soft); }

.cta-box { position: relative; border-radius: 28px; overflow: hidden; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; padding: 80px 0; color: #fff; text-align: center; }
.cta-box::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(26,37,51,.94), rgba(168,35,46,.72)); }
.cta-box .container { position: relative; z-index: 2; }
.cta-box h2 { font-size: 34px; font-weight: 800; margin: 0 0 14px; }
.cta-box p { max-width: 580px; margin: 0 auto 30px; color: rgba(255,255,255,.82); font-size: 16px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.button { border-radius: 60px; font-weight: 700; font-size: 15px; padding: 14px 30px; background: var(--primary); border: 0; box-shadow: 0 10px 26px rgba(168,35,46,.3); transition: transform .25s ease, box-shadow .25s ease, background .25s ease; display: inline-flex; align-items: center; gap: 10px; }
.button:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 14px 32px rgba(168,35,46,.36); color: #fff; }
.button.outline { background: transparent; border: 2px solid #fff; box-shadow: none; }
.button.outline:hover { background: rgba(255,255,255,.14); color: #fff; }
.button.secondary-btn { background: var(--secondary); box-shadow: 0 10px 26px rgba(31,58,95,.28); }
.button.secondary-btn:hover { background: var(--secondary-dark); box-shadow: 0 14px 32px rgba(31,58,95,.36); }

.site-footer { background: var(--bg-dark); color: rgba(255,255,255,.72); padding: 70px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; padding-bottom: 46px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand h3 { color: #fff; font-size: 22px; font-weight: 800; margin: 0 0 14px; display: flex; align-items: center; gap: 10px; }
.footer-brand p { font-size: 14px; line-height: 1.9; margin: 0; max-width: 380px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin: 0 0 16px; letter-spacing: 1px; }
.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom { padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.46); }

@media (max-width: 1024px) {
  .section { padding: 72px 0; }
  .page-h1 { font-size: 40px; }
  .steps-wrap { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .step-arrow { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-title { font-size: 28px; }
  .nav-toggle { display: flex; }
  .nav-list { display: none; position: absolute; top: calc(100% + 12px); left: 0; right: 0; background: #fff; border-radius: 22px; box-shadow: var(--shadow-lg); padding: 14px; border: 1px solid var(--border); flex-direction: column; }
  .nav-list.open { display: flex; }
  .nav-list a { text-align: center; width: 100%; }
  .page-head { min-height: 380px; border-radius: 22px; }
  .page-h1 { font-size: 32px; }
  .page-lead { font-size: 15px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .page-head { min-height: 340px; }
  .page-h1 { font-size: 27px; }
  .steps-wrap { grid-template-columns: 1fr; }
  .head-stats { gap: 12px; }
  .stat-pill { min-width: 108px; padding: 12px 14px; }
  .footer-grid { grid-template-columns: 1fr; }
  .rank-item { flex-wrap: wrap; }
  .rank-badge { margin-left: 0; }
  .cta-box h2 { font-size: 27px; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #0e6f5c;
  --primary-dark: #0a5345;
  --primary-light: #e6f4f0;
  --accent: #d49a3e;
  --accent-light: #fdf3e0;
  --ink: #1c2b28;
  --ink-soft: #4a5f5a;
  --text-muted: #7a8f8a;
  --bg: #f6f9f8;
  --bg-alt: #ffffff;
  --border: #e2ebe8;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 12px rgba(14, 111, 92, 0.06);
  --shadow-md: 0 6px 28px rgba(14, 111, 92, 0.10);
  --shadow-lg: 0 14px 44px rgba(14, 111, 92, 0.14);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", system-ui, sans-serif;
  --transition: all 0.3s ease;
}

/* ========== 基础 reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
::selection { background: var(--primary); color: #fff; }
:focus-visible { outline: 3px solid rgba(14, 111, 92, 0.4); outline-offset: 2px; }

/* ========== 容器 ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 88px 0; }
.section-head { text-align: center; max-width: 820px; margin: 0 auto 56px; }
.section-eyebrow {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 999px;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.section-sub {
  color: var(--ink-soft);
  font-size: 16px;
  margin-top: 14px;
  line-height: 1.8;
}

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 24px 0;
  pointer-events: none;
}
.nav-wrap { max-width: 1280px; margin: 0 auto; pointer-events: auto; }
.nav-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 4px 32px rgba(14, 111, 92, 0.10);
  padding: 8px 14px 8px 20px;
  transition: box-shadow 0.3s ease;
}
.nav-pill:hover { box-shadow: 0 8px 40px rgba(14, 111, 92, 0.16); }
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink);
  white-space: nowrap;
}
.brand i {
  color: var(--primary);
  font-size: 1.3rem;
  background: var(--primary-light);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease;
}
.brand:hover i { transform: rotate(-15deg) scale(1.08); }
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-list a {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: var(--transition);
}
.nav-list a:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.nav-list a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 3px 12px rgba(14, 111, 92, 0.28);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--primary);
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
}
.nav-toggle:hover { background: var(--primary-light); }

/* ========== 内页 Hero ========== */
.page-hero {
  position: relative;
  background-image: linear-gradient(135deg, rgba(14, 111, 92, 0.92), rgba(10, 83, 69, 0.84)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 168px 0 80px;
  text-align: center;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.page-hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-badge i { color: var(--accent); }
.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.page-hero h1 span {
  color: var(--accent);
}
.page-hero p {
  max-width: 680px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.88);
}
.hero-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 36px;
}
.hero-stat {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 16px 28px;
  text-align: center;
  min-width: 130px;
  transition: transform 0.3s ease, background 0.3s ease;
}
.hero-stat:hover { transform: translateY(-4px); background: rgba(255,255,255,0.18); }
.hero-stat strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.hero-stat strong i { color: var(--accent); font-style: normal; }
.hero-stat span {
  font-size: 13px;
  color: rgba(255,255,255,0.78);
  margin-top: 4px;
  display: block;
}

/* ========== 分类筛选 / 收录介绍 ========== */
.intro-section { background: var(--bg); }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.intro-img {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.intro-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 83, 69, 0.3) 100%);
  z-index: 1;
  pointer-events: none;
}
.intro-img img { width: 100%; height: 420px; object-fit: cover; }
.intro-img-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  z-index: 2;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.intro-img-badge i { margin-right: 6px; }
.intro-content .section-eyebrow { background: var(--primary-light); color: var(--primary); }
.intro-content h2 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 16px;
}
.intro-content p {
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.85;
  margin-bottom: 14px;
}
.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.feature-tags span {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  transition: var(--transition);
}
.feature-tags span:hover {
  background: var(--primary);
  color: #fff;
}

/* ========== 资源卡片区 ========== */
.resource-section { background: var(--bg-alt); }
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.resource-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}
.resource-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.resource-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(14, 111, 92, 0.2);
}
.resource-card:hover::before { opacity: 1; }
.resource-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
  transition: var(--transition);
}
.resource-card:hover .resource-card-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}
.resource-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}
.resource-card h3 i { color: var(--accent); font-size: 0.85rem; margin-left: 4px; }
.resource-card p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 12px;
}
.resource-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}
.resource-tags span {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
}
/* 类别内页卡片升级 */
.category-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  background: #fff;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.category-card-cover {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.category-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10, 83, 69, 0.35) 100%);
}
.category-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover .category-card-cover img { transform: scale(1.06); }
.category-card-body {
  padding: 24px;
  position: relative;
}
.category-card-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
}
.category-card-body p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 14px;
}
.category-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.category-card-meta .count {
  font-weight: 600;
  color: var(--primary);
}
.category-card-meta .arrow {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: var(--transition);
}
.category-card:hover .arrow {
  background: var(--primary);
  color: #fff;
}

/* ========== 数据 / 流程区 ========== */
.stats-dark {
  position: relative;
  background-image: linear-gradient(120deg, rgba(10, 83, 69, 0.95), rgba(14, 111, 92, 0.88)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: #fff;
  padding: 88px 0;
}
.stats-dark .section-title { color: #fff; }
.stats-dark .section-sub { color: rgba(255,255,255,0.78); }
.stats-dark .section-eyebrow { background: rgba(255,255,255,0.12); color: var(--accent); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 20px;
}
.stat-item {
  text-align: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 30px 16px;
  backdrop-filter: blur(6px);
  transition: transform 0.3s ease, background 0.3s ease;
}
.stat-item:hover {
  transform: translateY(-5px);
  background: rgba(255,255,255,0.14);
}
.stat-item i {
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}
.stat-item strong {
  font-size: 2rem;
  font-weight: 800;
  display: block;
  line-height: 1.2;
}
.stat-item span {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
}

/* ========== 收录流程 ========== */
.steps-section { background: var(--bg); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.step-item {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--primary);
  transition: var(--transition);
}
.step-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 16px;
}
.step-item:nth-child(2) .step-num { background: var(--accent); }
.step-item:nth-child(3) .step-num { background: var(--primary-dark); }
.step-item:nth-child(4) .step-num { background: #b07c2c; }
.step-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-item p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ========== 热门资源列表 ========== */
.toplist-section { background: var(--bg-alt); }
.toplist-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 10px;
}
.toplist-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: var(--transition);
}
.toplist-item:hover {
  background: var(--primary-light);
  border-color: rgba(14, 111, 92, 0.3);
  transform: translateX(4px);
}
.toplist-rank {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent);
  width: 32px;
  text-align: center;
}
.toplist-rank.top3 { color: var(--primary); }
.toplist-info { flex: 1; min-width: 0; }
.toplist-info h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.toplist-info p {
  font-size: 13px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.toplist-link {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: var(--transition);
  flex-shrink: 0;
}
.toplist-item:hover .toplist-link {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ========== FAQ ========== */
.faq-section { background: var(--bg); }
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--primary);
  transition: transform 0.35s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item[open] { box-shadow: var(--shadow-sm); }
.faq-answer {
  padding: 0 24px 20px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  margin-top: 0;
}
.faq-answer p { margin-top: 14px; }

/* ========== CTA 区 ========== */
.cta-section {
  background-image: linear-gradient(135deg, rgba(14,111,92,0.94), rgba(10,83,69,0.88)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  padding: 88px 0;
  color: #fff;
  text-align: center;
}
.cta-content {
  max-width: 640px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-content p {
  font-size: 16px;
  color: rgba(255,255,255,0.84);
  margin-bottom: 28px;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 18px rgba(0,0,0,0.12);
}
.btn-white:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.65);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

/* ========== 页脚 ========== */
.site-footer {
  background: #0c1f1b;
  color: rgba(255,255,255,0.72);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand h3 i {
  color: var(--accent);
  font-size: 1.4rem;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.68);
  transition: var(--transition);
}
.footer-col a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-col li {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}
.footer-bottom {
  text-align: center;
  padding: 22px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.42);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .section { padding: 72px 0; }
  .intro-grid { gap: 40px; }
  .resource-grid { grid-template-columns: repeat(2, 1fr); }
  .category-cards { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .toplist-container { grid-template-columns: 1fr; }
  .footer-grid { gap: 32px; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .container { padding: 0 20px; }
  .nav-pill {
    flex-wrap: wrap;
    border-radius: 18px;
    padding: 12px 16px;
  }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-list {
    width: 100%;
    display: none;
    flex-direction: column;
    margin-top: 12px;
    gap: 2px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
  }
  .nav-list.open { display: flex; }
  .nav-list a {
    padding: 10px 16px;
    border-radius: 10px;
    text-align: center;
    width: 100%;
  }
  .page-hero { padding: 140px 0 56px; }
  .hero-stats { gap: 12px; }
  .hero-stat { min-width: 44%; padding: 14px 12px; }
  .hero-stat strong { font-size: 1.4rem; }
  .intro-grid { grid-template-columns: 1fr; }
  .intro-img img { height: 300px; }
  .resource-grid { grid-template-columns: 1fr; }
  .category-cards { grid-template-columns: 1fr; }
  .stats-dark { background-attachment: scroll; padding: 64px 0; }
  .stats-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .section-head { margin-bottom: 40px; }
  .section-title { font-size: 1.6rem; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .site-header { padding: 10px 12px 0; }
  .nav-pill { padding: 10px 12px; }
  .brand { font-size: 1rem; }
  .brand i { width: 32px; height: 32px; font-size: 1.1rem; }
  .page-hero h1 { font-size: 1.6rem; }
  .page-hero { padding: 120px 0 42px; }
  .intro-grid { gap: 28px; }
  .feature-tags span { font-size: 12px; padding: 5px 10px; }
  .stat-item strong { font-size: 1.6rem; }
  .toplist-item { padding: 14px; flex-wrap: wrap; }
  .toplist-rank { font-size: 1rem; width: 24px; }
  .toplist-link { width: 30px; height: 30px; font-size: 12px; }
  .faq-item summary { font-size: 15px; padding: 16px 18px; }
  .faq-answer { padding: 0 18px 16px; font-size: 14px; }
  .cta-buttons .btn { padding: 11px 22px; font-size: 14px; width: 100%; justify-content: center; }
  .footer-bottom { flex-direction: column; align-items: center; gap: 4px; }
}

/* roulang page: article */
:root {
    --primary: #C8102E;
    --primary-dark: #A00D24;
    --accent: #D4AF37;
    --dark: #1F2937;
    --darker: #111827;
    --text: #2D3748;
    --muted: #6B7280;
    --bg: #F8F7F4;
    --white: #FFFFFF;
    --border: #E5E7EB;
    --radius: 18px;
    --radius-sm: 10px;
    --shadow: 0 8px 30px rgba(17, 24, 39, .08);
    --shadow-hover: 0 14px 40px rgba(17, 24, 39, .15);
    --container: 1200px;
    --transition: .25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; }
.container {
    width: 100%;
    max-width: var(--container);
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}
.grid-x { margin-left: -10px; margin-right: -10px; }
.cell { padding-left: 10px; padding-right: 10px; }

/* header / nav */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    background: linear-gradient(180deg, rgba(17, 24, 39, .45), transparent);
    transition: background .3s;
}
.nav-wrap { width: 100%; max-width: 1260px; margin: 0 auto; padding: 0 20px; }
.nav-pill {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    border-radius: 60px;
    padding: 10px 18px;
    box-shadow: 0 8px 30px rgba(17, 24, 39, .14);
    max-width: var(--container);
    margin: 0 auto;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 20px;
    color: var(--dark);
}
.brand i { color: var(--primary); font-size: 22px; }
.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 22px;
    color: var(--dark);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 10px;
}
.nav-toggle:focus { outline: 2px solid var(--primary); outline-offset: 2px; }
.nav-list {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-list li { margin: 0; }
.nav-list a {
    display: block;
    padding: 10px 20px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    transition: all var(--transition);
}
.nav-list a:hover { background: rgba(200, 16, 46, .08); color: var(--primary); }
.nav-list a.active { background: var(--primary); color: #fff; box-shadow: 0 6px 16px rgba(200, 16, 46, .32); }

/* page hero */
.page-hero {
    position: relative;
    min-height: 430px;
    display: flex;
    align-items: center;
    padding: 130px 0 90px;
    background-size: cover;
    background-position: center;
    color: #fff;
}
.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(17, 24, 39, .92) 0%, rgba(200, 16, 46, .64) 68%, rgba(212, 175, 55, .18) 100%);
}
.page-hero-content { position: relative; z-index: 2; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .3);
    backdrop-filter: blur(6px);
    color: #fff;
    padding: 7px 18px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 18px;
}
.page-hero h1 {
    font-size: 46px;
    line-height: 1.2;
    font-weight: 800;
    max-width: 840px;
    margin-bottom: 18px;
    text-shadow: 0 3px 22px rgba(0, 0, 0, .18);
}
.hero-desc {
    font-size: 17px;
    line-height: 1.8;
    max-width: 760px;
    margin-bottom: 26px;
    opacity: .94;
}
.hero-meta { display: flex; flex-wrap: wrap; gap: 22px; font-size: 14px; color: rgba(255, 255, 255, .9); }
.hero-meta i { color: #F3CE5A; margin-right: 6px; }

/* breadcrumb */
.breadcrumb { padding: 26px 0 6px; font-size: 14px; color: var(--muted); }
.breadcrumb a { color: var(--muted); transition: color .2s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: 11px; margin: 0 10px; color: #c0c5cc; }
.breadcrumb .current { color: var(--text); font-weight: 600; }

/* article layout */
.article-section { padding: 20px 0 50px; }
.article-main {
    background: var(--white);
    border: 1px solid rgba(229, 231, 235, .6);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 38px;
}
.article-eyebrow {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
    flex-wrap: wrap;
    gap: 12px;
}
.eyebrow-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(200, 16, 46, .08);
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    padding: 7px 16px;
    border-radius: 30px;
}
.article-body {
    font-size: 16.5px;
    line-height: 2;
    color: var(--text);
    word-break: break-word;
}
.article-body h2, .article-body h3, .article-body h4 {
    color: var(--dark);
    margin: 36px 0 18px;
    scroll-margin-top: 110px;
}
.article-body h2 { font-size: 25px; padding-left: 14px; border-left: 4px solid var(--primary); }
.article-body h3 { font-size: 21px; }
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol { margin-bottom: 22px; padding-left: 24px; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body img { max-width: 100%; border-radius: 14px; margin: 16px 0; }
.article-body blockquote {
    background: var(--bg);
    border-left: 4px solid var(--accent);
    padding: 16px 24px;
    border-radius: 0 14px 14px 0;
    color: var(--dark);
    font-weight: 600;
    margin: 26px 0;
}
.article-body table { width: 100%; border-collapse: collapse; margin: 22px 0; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 12px 14px; }
.article-body th { background: var(--bg); color: var(--dark); text-align: left; }
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.article-tags .tag {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
    padding: 7px 15px;
    border-radius: 30px;
}
.article-tags .tag i { color: var(--primary); margin-right: 4px; }
.share-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}
.share-row .label { font-weight: 700; color: var(--dark); }
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    transition: all var(--transition);
}
.share-btn:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(200, 16, 46, .12); }
.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 34px;
    padding-top: 26px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}
.article-nav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: 12px;
    background: var(--bg);
    color: var(--text);
    font-weight: 600;
    font-size: 14px;
    transition: all var(--transition);
}
.article-nav a:hover { color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); }
.not-found {
    text-align: center;
    padding: 46px 18px;
}
.not-found i { font-size: 52px; color: var(--primary); margin-bottom: 18px; }
.not-found h2 { font-size: 27px; color: var(--dark); margin-bottom: 12px; }
.not-found p { color: var(--muted); margin-bottom: 26px; }

/* sidebar */
.sidebar-inner { position: sticky; top: 100px; }
.sidebar-widget {
    background: var(--white);
    border: 1px solid rgba(229, 231, 235, .6);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 24px;
}
.sidebar-widget-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 16px;
}
.sidebar-widget-title::before {
    content: "";
    width: 4px;
    height: 18px;
    background: var(--primary);
    border-radius: 3px;
    display: inline-block;
}
.about-text { font-size: 14px; line-height: 1.8; color: var(--muted); }
.about-points { list-style: none; margin: 14px 0 0; padding: 0; }
.about-points li { display: flex; gap: 9px; font-size: 14px; color: var(--text); margin-bottom: 9px; }
.about-points i { color: var(--accent); margin-top: 4px; font-size: 13px; }
.category-mini-list { display: grid; gap: 12px; }
.category-mini-item {
    display: flex;
    align-items: center;
    gap: 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    background: #fff;
    transition: all var(--transition);
}
.category-mini-item:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.category-mini-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), #e63950);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.category-mini-info span { display: block; font-weight: 700; color: var(--dark); font-size: 14px; }
.category-mini-info small { font-size: 12px; color: var(--muted); }
.tips-list { list-style: none; margin: 0; padding: 0; }
.tips-list li { display: flex; gap: 10px; padding: 11px 0; border-bottom: 1px dashed var(--border); font-size: 14px; color: var(--text); }
.tips-list li:last-child { border-bottom: none; }
.tips-list i { color: var(--primary); margin-top: 4px; font-size: 13px; }

/* buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    padding: 13px 28px;
    border-radius: 40px;
    transition: all var(--transition);
    box-shadow: 0 8px 22px rgba(200, 16, 46, .28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(200, 16, 46, .4); }
.btn-outline-dark {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1.5px solid var(--dark);
    color: var(--dark);
    font-weight: 700;
    font-size: 15px;
    padding: 11px 24px;
    border-radius: 40px;
    transition: all var(--transition);
}
.btn-outline-dark:hover { background: var(--dark); color: #fff; transform: translateY(-2px); }

/* section common */
.section-name {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 8px;
}
.section-title { font-size: 32px; font-weight: 800; color: var(--dark); margin-bottom: 8px; line-height: 1.3; }
.section-desc { color: var(--muted); font-size: 16px; max-width: 640px; margin-bottom: 36px; }
.section-head-center { text-align: center; }
.section-head-center .section-desc { margin-left: auto; margin-right: auto; }

/* recommend */
.recommend-section { background: var(--bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 70px 0; }
.recommend-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.recommend-card {
    background: var(--white);
    border: 1px solid rgba(229, 231, 235, .6);
    border-radius: 18px;
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
}
.recommend-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.recommend-cover { position: relative; height: 170px; overflow: hidden; }
.recommend-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.recommend-card:hover .recommend-cover img { transform: scale(1.04); }
.rec-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(17, 24, 39, .8);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 30px;
    backdrop-filter: blur(4px);
}
.recommend-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.recommend-body h3 { font-size: 18px; font-weight: 800; color: var(--dark); margin-bottom: 8px; line-height: 1.45; }
.recommend-body p { font-size: 14px; color: var(--muted); line-height: 1.75; flex: 1; margin-bottom: 16px; }
.learn-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    transition: gap .25s;
}
.learn-link:hover { gap: 10px; }

/* stats */
.stats-section {
    position: relative;
    padding: 70px 0;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
}
.stats-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(17, 24, 39, .9);
}
.stats-content { position: relative; z-index: 2; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item {
    text-align: center;
    padding: 30px 16px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 18px;
    backdrop-filter: blur(8px);
    transition: all var(--transition);
}
.stat-item:hover { background: rgba(255, 255, 255, .12); transform: translateY(-4px); }
.stat-num { font-size: 38px; font-weight: 800; color: #fff; font-family: Georgia, serif; }
.stat-label { font-size: 14px; color: rgba(255, 255, 255, .78); margin-top: 8px; }

/* faq */
.faq-section { padding: 70px 0; }
.faq-grid { max-width: 820px; margin: 0 auto; display: grid; gap: 16px; }
.faq-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 22px 24px;
    box-shadow: 0 2px 10px rgba(17, 24, 39, .04);
    transition: box-shadow .3s;
}
.faq-card[open] { box-shadow: var(--shadow); }
.faq-card summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
}
.faq-card summary::-webkit-details-marker { display: none; }
.faq-card summary i { color: var(--primary); font-size: 14px; transition: transform .3s; flex-shrink: 0; }
.faq-card[open] summary i { transform: rotate(180deg); }
.faq-answer { margin-top: 14px; color: var(--muted); line-height: 1.85; font-size: 15px; }

/* cta */
.cta-section { padding: 60px 0 80px; }
.cta-box {
    position: relative;
    border-radius: 24px;
    padding: 56px 44px;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}
.cta-box::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(200, 16, 46, .96), rgba(17, 24, 39, .78));
}
.cta-inner { position: relative; z-index: 2; text-align: center; }
.cta-inner h2 { color: #fff; font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.cta-inner p { color: rgba(255, 255, 255, .92); font-size: 16px; max-width: 640px; margin: 0 auto 30px; line-height: 1.85; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }
.btn-light {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: var(--primary);
    font-weight: 800;
    font-size: 15px;
    padding: 14px 30px;
    border-radius: 40px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
    transition: all var(--transition);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0, 0, 0, .28); }
.btn-outline-light {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, .85);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    padding: 13px 28px;
    border-radius: 40px;
    transition: all var(--transition);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, .14); transform: translateY(-2px); }

/* footer */
.site-footer { background: var(--darker); color: #9CA3AF; padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 44px; padding-bottom: 40px; }
.footer-brand h3 { color: #fff; font-size: 22px; margin: 0 0 14px; display: flex; align-items: center; gap: 10px; }
.footer-brand h3 i { color: var(--primary); }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 380px; margin: 0; }
.footer-col h4 { color: #fff; font-size: 16px; margin: 0 0 16px; padding-bottom: 10px; position: relative; }
.footer-col h4::after { content: ""; width: 24px; height: 3px; background: var(--primary); border-radius: 3px; position: absolute; bottom: 0; left: 0; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; font-size: 14px; }
.footer-col a { color: #9CA3AF; transition: color .2s; font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0; font-size: 13px; color: #6B7280; text-align: center; }

/* toast */
.toast-tip {
    position: fixed;
    left: 50%;
    bottom: 40px;
    transform: translateX(-50%);
    background: var(--dark);
    color: #fff;
    padding: 10px 22px;
    border-radius: 40px;
    font-size: 14px;
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
    z-index: 999;
}
.toast-tip.show { opacity: 1; }

/* responsive */
@media (max-width: 1024px) {
    .recommend-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .page-hero h1 { font-size: 38px; }
}
@media (max-width: 768px) {
    .site-header { padding: 12px 0; }
    .nav-toggle { display: inline-flex; }
    .nav-pill { padding: 8px 14px; }
    .nav-list {
        position: absolute;
        top: calc(100% + 12px);
        left: 16px;
        right: 16px;
        background: #fff;
        border-radius: 18px;
        box-shadow: var(--shadow-hover);
        flex-direction: column;
        padding: 14px;
        gap: 6px;
        display: none;
    }
    .nav-list.open { display: flex; }
    .nav-list a { padding: 12px 16px; border-radius: 12px; }
    .page-hero { min-height: auto; padding: 110px 0 56px; }
    .page-hero h1 { font-size: 32px; }
    .hero-desc { font-size: 16px; }
    .article-main { padding: 28px 22px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .cta-box { padding: 40px 24px; }
    .cta-inner h2 { font-size: 25px; }
}
@media (max-width: 520px) {
    .recommend-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .article-nav { flex-direction: column; }
    .hero-meta { gap: 12px; }
    .share-row { gap: 8px; }
    .nav-pill .brand span { font-size: 18px; }
}