/* roulang page: index */
:root {
  --primary: #00C853;
  --primary-dark: #00A84D;
  --primary-soft: rgba(0, 200, 83, 0.12);
  --accent: #FFB300;
  --accent-dark: #FF8F00;
  --darkbg: #0C1A14;
  --lightbg: #F5F9F6;
  --card-bg: #FFFFFF;
  --text-body: #17241E;
  --text-muted: #5B6B65;
  --border: rgba(23, 36, 30, 0.08);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-img: 12px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  background: var(--lightbg);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: all .25s ease; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
input, textarea, button { font-family: inherit; font-size: 1rem; }
button { cursor: pointer; border: none; background: none; }

h1 { font-size: 40px; line-height: 1.2; font-weight: 800; letter-spacing: 0.02em; }
h2 { font-size: 30px; line-height: 1.3; font-weight: 700; letter-spacing: 0.01em; }
h3 { font-size: 22px; line-height: 1.4; font-weight: 600; }
h4 { font-size: 18px; line-height: 1.5; font-weight: 600; }

.container {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 768px) {
  .container { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 1024px) {
  .container { padding-left: 2rem; padding-right: 2rem; }
}

.section-padding { padding-top: 5rem; padding-bottom: 5rem; }
@media (min-width: 1024px) {
  .section-padding { padding-top: 7rem; padding-bottom: 7rem; }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn:focus { outline: 3px solid rgba(0,200,83,.25); outline-offset: 2px; }
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 200, 83, .28);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,200,83,.3); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(0,200,83,.2); }
.btn-outline {
  border: 2px solid rgba(255,255,255,.75);
  color: #fff;
  background: transparent;
}
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }
.btn-accent {
  background: var(--accent);
  color: var(--darkbg);
  box-shadow: 0 4px 20px rgba(255, 179, 0, .3);
  font-weight: 700;
}
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-accent:active { transform: translateY(0); }
.btn-ghost {
  border: 1.5px solid var(--border);
  color: var(--text-body);
  background: #fff;
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary-dark); background: var(--primary-soft); }

/* 顶部信息条 */
.topbar {
  background: var(--darkbg);
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  color: rgba(255,255,255,.78);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.topbar-domain { letter-spacing: .04em; font-weight: 500; }
.topbar-actions { display: flex; gap: 1.25rem; }
.topbar-actions a { color: rgba(255,255,255,.72); font-size: 14px; }
.topbar-actions a:hover { color: var(--primary); }
@media (max-width: 520px) {
  .topbar-actions a:first-child { display: none; }
}

/* 主导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1.5rem;
}
.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: .5rem;
  white-space: nowrap;
}
.logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 12px rgba(0,200,83,.6);
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.main-nav a {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: .25rem 0;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--primary-dark); }
.main-nav a.active { color: var(--primary-dark); }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(0,200,83,.4);
}
.nav-cta { padding: .5rem 1.25rem; font-size: 14px; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-body);
  border-radius: 2px;
  transition: all .3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0,0,0,.08);
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-cta { display: none; }
}

/* Hero */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  background: var(--darkbg);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .45;
  transform: scale(1.02);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(12,26,20,.94), rgba(12,26,20,.72));
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 5rem;
  padding-bottom: 5rem;
  width: 100%;
}
.hero h1 {
  color: #fff;
  max-width: 820px;
}
.hero h1 .highlight { color: var(--primary); }
.hero-sub {
  color: rgba(255,255,255,.82);
  font-size: 18px;
  line-height: 1.7;
  max-width: 640px;
  margin-top: 1rem;
}
.countdown-wrap {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.countdown {
  display: flex;
  gap: .75rem;
}
.countdown-item {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
  padding: .75rem 1rem;
  min-width: 84px;
  text-align: center;
  backdrop-filter: blur(4px);
}
.cd-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  text-shadow: 0 0 20px rgba(0,200,83,.55);
  line-height: 1.1;
  display: block;
}
.cd-label {
  font-size: 13px;
  color: rgba(255,255,255,.65);
  letter-spacing: .08em;
  margin-top: .25rem;
  display: block;
}
.countdown-tip {
  color: rgba(255,255,255,.55);
  font-size: 14px;
  line-height: 1.6;
  max-width: 220px;
}
.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
@media (max-width: 640px) {
  .hero { min-height: 540px; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .countdown { width: 100%; }
  .countdown-item { min-width: 68px; padding: .5rem .75rem; }
  .cd-num { font-size: 28px; }
  .countdown-wrap { flex-direction: column; align-items: flex-start; }
}

/* 活动卖点区 */
.features {
  background: #fff;
  position: relative;
}
.features-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}
.features-header h2 { color: var(--text-body); }
.features-header p { color: var(--text-muted); margin-top: .75rem; }
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.timeline-line {
  position: absolute;
  top: 36px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary) 15%, var(--primary) 85%, transparent);
  opacity: .35;
}
.timeline-item {
  position: relative;
  text-align: center;
  padding: 0 1rem;
}
.timeline-node {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary-soft);
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-weight: 800;
  font-size: 18px;
  color: var(--primary-dark);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px rgba(0,200,83,.08);
}
.timeline-item h3 { font-size: 18px; font-weight: 600; margin-bottom: .5rem; color: var(--text-body); }
.timeline-item p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }
@media (max-width: 900px) {
  .timeline {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-left: 1.5rem;
  }
  .timeline-line {
    left: 36px;
    right: auto;
    top: 0;
    bottom: 0;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, transparent, var(--primary) 10%, var(--primary) 90%, transparent);
    opacity: .3;
  }
  .timeline-item { text-align: left; padding: 0 0 0 2rem; }
  .timeline-node { margin: 0 0 1rem; }
}

/* 亮点图墙 */
.gallery { background: var(--lightbg); }
.gallery-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}
.gallery-header h2 { color: var(--text-body); }
.gallery-header p { color: var(--text-muted); margin-top: .75rem; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (min-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(4, 1fr); }
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #e8f0ec;
  display: block;
}
.gallery-item-large {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: auto;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12,26,20,.72) 0%, transparent 55%);
  opacity: 0;
  transition: opacity .35s ease;
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}
.gallery-item:hover .gallery-mask { opacity: 1; }
.gallery-tag {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  background: rgba(0,200,83,.28);
  backdrop-filter: blur(4px);
  padding: .3rem .75rem;
  border-radius: 100px;
  transform: translateY(8px);
  transition: transform .35s ease;
}
.gallery-item:hover .gallery-tag { transform: translateY(0); }

/* CTA区 */
.cta-section {
  background: linear-gradient(135deg, #00C853 0%, #0C1A14 72%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: .1;
}
.cta-wrap {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.cta-left { color: #fff; }
.cta-left h2 { color: #fff; }
.cta-left .cta-desc { color: rgba(255,255,255,.75); margin-top: .75rem; line-height: 1.75; }
.cta-points {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}
.cta-points li {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 15px;
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  padding: .65rem .85rem;
  border-radius: 10px;
}
.cta-points li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.cta-form-box {
  background: #fff;
  border-radius: 18px;
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(0,0,0,.18);
}
.cta-form-box h3 { color: var(--text-body); margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1rem; }
.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-body);
  display: block;
  margin-bottom: .35rem;
}
.form-control {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: .75rem 1rem;
  font-size: 15px;
  transition: all .25s ease;
  background: #F9FBF9;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0,200,83,.15);
  background: #fff;
}
textarea.form-control { resize: vertical; min-height: 88px; }
.form-submit { width: 100%; margin-top: .5rem; }
.form-tip {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  margin-top: .85rem;
}
@media (max-width: 900px) {
  .cta-wrap { grid-template-columns: 1fr; }
  .cta-points { grid-template-columns: 1fr; }
}

/* 资讯动态区 */
.news-section { background: #fff; }
.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  gap: 1rem;
}
.news-header h2 { color: var(--text-body); }
.news-header p { color: var(--text-muted); margin-top: .5rem; }
.news-list { display: flex; flex-direction: column; gap: 1.25rem; }
.news-card {
  background: var(--lightbg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  transition: all .3s ease;
  position: relative;
}
.news-card:hover {
  border-color: rgba(0,200,83,.35);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.news-card-inner { display: flex; flex-wrap: wrap; gap: 1rem; align-items: flex-start; }
.news-main { flex: 1; min-width: 260px; }
.news-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-soft);
  padding: .2rem .7rem;
  border-radius: 100px;
  margin-bottom: .5rem;
}
.news-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-body);
  line-height: 1.5;
  transition: color .2s ease;
}
.news-card:hover h3 { color: var(--primary-dark); }
.news-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: .5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-top: .75rem;
  font-size: 13px;
  color: var(--text-muted);
}
.news-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  white-space: nowrap;
}
.news-more::after {
  content: "→";
  transition: transform .2s ease;
}
.news-card:hover .news-more::after { transform: translateX(4px); }
.empty-state {
  border: 2px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 3rem 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
  background: var(--lightbg);
}
@media (max-width: 640px) {
  .news-header { flex-direction: column; align-items: flex-start; }
  .news-card { padding: 1.25rem; }
}

/* FAQ */
.faq-section { background: var(--lightbg); }
.faq-header { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.faq-header h2 { color: var(--text-body); }
.faq-header p { color: var(--text-muted); margin-top: .75rem; }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq-item:hover { border-color: rgba(0,200,83,.35); }
.faq-item.active { border-color: rgba(0,200,83,.45); box-shadow: 0 8px 24px rgba(0,0,0,.05); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-body);
  text-align: left;
  gap: 1rem;
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary-dark);
  flex-shrink: 0;
  transition: transform .3s ease, background .3s ease;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-a {
  padding: 0 1.5rem 1.25rem;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
  display: none;
}
.faq-item.active .faq-a { display: block; }

/* 页脚 */
.site-footer {
  background: var(--darkbg);
  color: rgba(255,255,255,.72);
  padding-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}
.footer-logo {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.footer-desc {
  font-size: 14px;
  margin-top: 1rem;
  line-height: 1.75;
  color: rgba(255,255,255,.6);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1.25rem;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  padding: .3rem 0;
}
.footer-col a:hover { color: var(--primary); }
.footer-contact p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin-bottom: .5rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.footer-contact p::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,.45);
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* roulang page: category1 */
:root {
    --primary: #00C853;
    --primary-dark: #00A84D;
    --primary-soft: rgba(0, 200, 83, 0.12);
    --accent: #FFB300;
    --accent-dark: #FF8F00;
    --dark: #0C1A14;
    --light-bg: #F5F9F6;
    --card-bg: #FFFFFF;
    --content: #17241E;
    --secondary: #5B6B65;
    --border: rgba(23, 36, 30, 0.08);
    --radius-card: 16px;
    --radius-btn: 10px;
    --radius-img: 12px;
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
  }
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--content);
    background: var(--light-bg);
    -webkit-font-smoothing: antialiased;
  }
  img {
    max-width: 100%;
    display: block;
  }
  a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
  }
  button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
  }
  ul,
  ol {
    list-style: none;
  }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  @media (min-width: 768px) {
    .container {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
  }
  @media (min-width: 1024px) {
    .container {
      padding-left: 2rem;
      padding-right: 2rem;
    }
  }

  .section {
    padding: 5rem 0;
  }
  @media (min-width: 768px) {
    .section {
      padding: 6rem 0;
    }
  }
  @media (min-width: 1024px) {
    .section {
      padding: 7rem 0;
    }
  }
  .section-head {
    max-width: 720px;
    margin-bottom: 3rem;
  }
  .section-head.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }
  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-dark);
    background: var(--primary-soft);
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
  }
  .section-head h2 {
    font-size: 30px;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: var(--content);
    margin-bottom: 12px;
  }
  .section-head p {
    color: var(--secondary);
    font-size: 16px;
    line-height: 1.7;
  }

  /* 顶部信息条 */
  .top-bar {
    background: var(--dark);
    height: 40px;
    display: flex;
    align-items: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
  }
  .top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .top-bar a {
    color: rgba(255, 255, 255, 0.85);
    margin-left: 20px;
    font-size: 14px;
  }
  .top-bar a:hover {
    color: var(--accent);
  }
  @media (max-width: 520px) {
    .top-bar-r a:last-child {
      display: none;
    }
  }

  /* 主导航 */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: 72px;
  }
  .nav-inner {
    display: flex;
    align-items: center;
    height: 72px;
    gap: 2rem;
  }
  .logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: var(--content);
    letter-spacing: 0.02em;
    white-space: nowrap;
  }
  .logo-dot {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 12px rgba(0, 200, 83, 0.6);
  }
  .main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-left: auto;
  }
  .main-nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--content);
    padding: 8px 2px;
    position: relative;
    letter-spacing: 0.01em;
  }
  .main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: right 0.3s ease;
  }
  .main-nav a:hover::after,
  .main-nav a.active::after {
    right: 0;
  }
  .main-nav a:hover {
    color: var(--primary-dark);
  }
  .main-nav a.active {
    color: var(--primary-dark);
    font-weight: 600;
  }
  .nav-cta {
    margin-left: 0.5rem;
    white-space: nowrap;
  }
  .nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
  }
  .nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--content);
    border-radius: 2px;
    transition: all 0.3s ease;
  }
  .nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  @media (max-width: 900px) {
    .nav-cta {
      display: none;
    }
    .main-nav {
      position: absolute;
      top: 72px;
      left: 0;
      right: 0;
      background: #fff;
      flex-direction: column;
      align-items: flex-start;
      gap: 0;
      padding: 0 1.5rem;
      border-bottom: 1px solid var(--border);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
    }
    .main-nav.open {
      max-height: 360px;
      padding-top: 8px;
      padding-bottom: 16px;
    }
    .main-nav a {
      display: block;
      width: 100%;
      padding: 14px 0;
      border-bottom: 1px solid var(--border);
      font-size: 16px;
    }
    .main-nav a:last-child {
      border-bottom: none;
    }
    .main-nav a::after {
      display: none;
    }
    .main-nav a.active {
      color: var(--primary-dark);
      font-weight: 600;
    }
    .nav-toggle {
      display: flex;
      margin-left: auto;
    }
  }

  /* 按钮 */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    transition: all 0.3s ease;
    outline: none;
    line-height: 1.5;
    border: 2px solid transparent;
  }
  .btn:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
  }
  .btn-primary {
    background: var(--primary);
    color: #fff;
  }
  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
  }
  .btn-primary:active {
    transform: translateY(0);
    background: var(--primary-dark);
    filter: brightness(0.92);
  }
  .btn-outline {
    background: transparent;
    color: var(--primary-dark);
    border-color: var(--primary);
  }
  .btn-outline:hover {
    background: var(--primary-soft);
    transform: translateY(-2px);
  }
  .btn-outline:active {
    transform: translateY(0);
    background: var(--primary-soft);
  }
  .btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
  }
  .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    transform: translateY(-2px);
  }
  .btn-accent {
    background: var(--accent);
    color: var(--dark);
  }
  .btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
  }
  .btn-accent:active {
    transform: translateY(0);
    filter: brightness(0.94);
  }

  /* 页面 Hero */
  .page-hero {
    position: relative;
    padding: 6rem 0;
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    background-color: var(--dark);
    color: #fff;
  }
  .page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(12, 26, 20, 0.9) 20%, rgba(12, 26, 20, 0.55) 70%, rgba(0, 200, 83, 0.2) 100%);
  }
  .page-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 760px;
  }
  .page-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 200, 83, 0.18);
    border: 1px solid rgba(0, 200, 83, 0.35);
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 20px;
  }
  .page-hero h1 {
    font-size: 40px;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: 0.02em;
    margin-bottom: 20px;
  }
  .page-hero h1 span {
    color: var(--primary);
  }
  .page-hero-desc {
    font-size: 17px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 30px;
  }
  .page-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }
  @media (max-width: 768px) {
    .page-hero {
      padding: 4rem 0;
    }
    .page-hero h1 {
      font-size: 32px;
    }
    .page-hero-desc {
      font-size: 16px;
    }
    .page-hero-actions {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  /* 图文交错列表 */
  .content-list-section {
    background: var(--light-bg);
  }
  .content-list {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .content-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 3rem 0;
    border-bottom: 1px solid var(--border);
  }
  .content-row:first-child {
    padding-top: 0;
  }
  .content-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  .content-row:nth-child(even) .content-media {
    order: 2;
  }
  .content-row:nth-child(even) .content-body {
    order: 1;
  }
  .content-media {
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.4s ease;
  }
  .content-row:hover .content-media {
    box-shadow: var(--shadow-hover);
  }
  .content-media img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    transition: transform 0.6s ease;
  }
  .content-row:hover .content-media img {
    transform: scale(1.03);
  }
  .content-body .list-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-dark);
    background: var(--primary-soft);
    padding: 4px 14px;
    border-radius: 30px;
    margin-bottom: 14px;
  }
  .content-body h3 {
    font-size: 22px;
    line-height: 1.4;
    font-weight: 600;
    color: var(--content);
    margin-bottom: 12px;
  }
  .content-body p {
    color: var(--secondary);
    font-size: 16px;
    line-height: 1.75;
    margin-bottom: 20px;
  }
  .content-body .btn {
    padding: 10px 24px;
    font-size: 14px;
  }
  .content-more {
    text-align: center;
    margin-top: 3rem;
  }
  @media (max-width: 768px) {
    .content-row {
      grid-template-columns: 1fr;
      gap: 24px;
      padding: 2rem 0;
    }
    .content-row:nth-child(even) .content-media,
    .content-row:nth-child(even) .content-body {
      order: unset;
    }
    .content-media img {
      height: 220px;
    }
  }

  /* 适用场景 / 收益卡片 */
  .benefits-section {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .benefit-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 1.75rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    height: 100%;
  }
  .benefit-card:hover {
    border-color: rgba(0, 200, 83, 0.25);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
  }
  .benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
  }
  .benefit-card h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--content);
  }
  .benefit-card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--secondary);
  }

  /* 流程步骤 */
  .process-section {
    background: var(--light-bg);
  }
  .process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
  }
  .process-step {
    position: relative;
    padding: 2rem 1.5rem;
    background: #fff;
    border-radius: var(--radius-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    text-align: center;
  }
  .process-step:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
  }
  .process-step-num {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 0 20px rgba(0, 200, 83, 0.35);
  }
  .process-step h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--content);
  }
  .process-step p {
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.7;
  }
  @media (max-width: 900px) {
    .process-steps {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  @media (max-width: 520px) {
    .process-steps {
      grid-template-columns: 1fr;
    }
  }

  /* FAQ */
  .faq-section {
    background: #fff;
  }
  .faq-list {
    max-width: 820px;
    margin: 0 auto;
  }
  .faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
  }
  .faq-item:hover {
    border-color: rgba(0, 200, 83, 0.4);
  }
  .faq-item.open {
    border-color: rgba(0, 200, 83, 0.3);
    box-shadow: var(--shadow-card);
  }
  .faq-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--content);
    background: none;
    cursor: pointer;
  }
  .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: 20px;
    font-weight: 700;
    transition: transform 0.3s ease;
    flex-shrink: 0;
  }
  .faq-item.open .faq-icon {
    transform: rotate(45deg);
  }
  .faq-body {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
  }
  .faq-item.open .faq-body {
    padding: 0 24px 20px;
    max-height: 300px;
  }
  .faq-body p {
    color: var(--secondary);
    font-size: 15px;
    line-height: 1.75;
    padding-top: 4px;
  }

  /* CTA */
  .cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 75%);
    padding: 5rem 0;
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .cta-section::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
  }
  .cta-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 2;
  }
  .cta-left h2 {
    font-size: 32px;
    line-height: 1.25;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: 0.01em;
  }
  .cta-left p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 16px;
    line-height: 1.75;
    margin-bottom: 24px;
  }
  .cta-points {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
  }
  .cta-point {
    font-size: 14px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 16px;
    border-radius: 30px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .cta-point::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
  }
  .cta-form {
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-card);
    padding: 2rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  }
  .cta-form h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--content);
    margin-bottom: 8px;
  }
  .cta-form .form-sub {
    font-size: 14px;
    color: var(--secondary);
    margin-bottom: 20px;
  }
  .form-group {
    margin-bottom: 16px;
  }
  .form-group input,
  .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-btn);
    font-size: 15px;
    color: var(--content);
    background: var(--light-bg);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    font-family: inherit;
  }
  .form-group input:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.2);
    background: #fff;
  }
  .form-group textarea {
    resize: none;
    height: 90px;
  }
  @media (max-width: 900px) {
    .cta-grid {
      grid-template-columns: 1fr;
    }
    .cta-section {
      padding: 4rem 0;
    }
  }

  /* 页脚 */
  .site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 4rem 0 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .footer-logo {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .footer-logo::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 12px rgba(0, 200, 83, 0.6);
  }
  .footer-desc {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.65);
    max-width: 320px;
  }
  .footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
  }
  .footer-col a {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 10px;
    transition: color 0.3s ease, padding-left 0.3s ease;
  }
  .footer-col a:hover {
    color: var(--primary);
    padding-left: 4px;
  }
  .footer-contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 10px;
    word-break: break-all;
  }
  .footer-bottom {
    padding: 1.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
  }
  @media (max-width: 900px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 2.5rem;
    }
  }
  @media (max-width: 520px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 2rem;
    }
  }

  /* 通用动画 */
  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(24px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  .content-row {
    animation: fadeUp 0.5s ease both;
  }
  .content-row:nth-child(2) {
    animation-delay: 0.1s;
  }
  .content-row:nth-child(3) {
    animation-delay: 0.2s;
  }
  .content-row:nth-child(4) {
    animation-delay: 0.3s;
  }

/* roulang page: article */
:root {
            --primary: #00C853;
            --primary-dark: #00A84D;
            --primary-glow: rgba(0, 200, 83, 0.12);
            --secondary: #FFB300;
            --secondary-dark: #FF8F00;
            --dark: #0C1A14;
            --light: #F5F9F6;
            --card-bg: #FFFFFF;
            --text: #17241E;
            --text-light: #5B6B65;
            --border: rgba(23, 36, 30, 0.08);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-img: 12px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
            --container-max: 1280px;
            --header-h: 72px;
            --topbar-h: 40px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: var(--text);
            background: #FFFFFF;
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
            width: 100%;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .top-bar {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            height: var(--topbar-h);
            display: flex;
            align-items: center;
        }

        .top-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .top-bar-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .top-bar-info i {
            color: var(--primary);
            margin-right: 4px;
        }

        .top-bar-links {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar-links a {
            color: rgba(255, 255, 255, 0.86);
            transition: color 0.3s;
        }

        .top-bar-links a:hover {
            color: var(--primary);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 16px rgba(12, 26, 20, 0.06);
            border-bottom: 1px solid var(--border);
        }

        .nav-inner {
            height: var(--header-h);
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .logo-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 12px var(--primary);
            flex-shrink: 0;
        }

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

        .main-nav a {
            position: relative;
            font-size: 15px;
            font-weight: 600;
            color: #3D4A45;
            padding: 8px 2px;
            transition: color 0.3s;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.3s ease;
        }

        .main-nav a:hover {
            color: var(--primary-dark);
        }

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

        .main-nav a.active {
            color: var(--primary-dark);
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 8px;
            cursor: pointer;
            background: #fff;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.3s;
        }

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

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            line-height: 1.2;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(0, 200, 83, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 200, 83, 0.3);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(0, 200, 83, 0.4);
            outline-offset: 2px;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(0, 200, 83, 0.2);
        }

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

        .btn-outline:hover {
            background: var(--primary-glow);
            transform: translateY(-2px);
        }

        .btn-outline:focus-visible {
            outline: 3px solid rgba(0, 200, 83, 0.3);
            outline-offset: 2px;
        }

        .btn-accent {
            background: var(--secondary);
            color: #17241E;
            box-shadow: 0 6px 18px rgba(255, 179, 0, 0.28);
        }

        .btn-accent:hover {
            background: var(--secondary-dark);
            transform: translateY(-2px);
        }

        .btn-accent:focus-visible {
            outline: 3px solid rgba(255, 179, 0, 0.45);
            outline-offset: 2px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            line-height: 1.4;
        }

        .badge-green {
            background: rgba(0, 200, 83, 0.12);
            color: var(--primary-dark);
        }

        .badge-yellow {
            background: rgba(255, 179, 0, 0.16);
            color: #8A5B00;
        }

        .breadcrumb-wrap {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
        }

        .breadcrumb a {
            color: var(--text-light);
            transition: color 0.3s;
        }

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

        .breadcrumb-sep {
            color: #B9C4BF;
        }

        .breadcrumb-current {
            color: var(--text);
            font-weight: 600;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 320px;
        }

        .article-hero {
            position: relative;
            padding: 84px 0 96px;
            background:
                linear-gradient(120deg, rgba(12, 26, 20, 0.94), rgba(0, 76, 38, 0.88)),
                url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .article-hero::after {
            content: "";
            position: absolute;
            right: -140px;
            top: -120px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 200, 83, 0.24), transparent 70%);
            pointer-events: none;
        }

        .article-hero::before {
            content: "";
            position: absolute;
            left: -100px;
            bottom: -160px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 179, 0, 0.14), transparent 70%);
            pointer-events: none;
        }

        .article-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }

        .article-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin: 18px auto 20px;
            max-width: 820px;
        }

        @media (max-width: 768px) {
            .article-hero h1 {
                font-size: 28px;
            }
        }

        .article-hero .badge {
            background: rgba(0, 200, 83, 0.18);
            color: #C8FFD9;
            border: 1px solid rgba(0, 200, 83, 0.35);
        }

        .article-meta-light {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 12px;
        }

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

        .article-meta-light i {
            color: var(--primary);
        }

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

        .article-body-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            padding: 52px 56px;
            margin-top: -40px;
            position: relative;
            z-index: 3;
            border: 1px solid var(--border);
        }

        @media (max-width: 768px) {
            .article-body-card {
                padding: 28px 22px;
                margin-top: -24px;
                border-radius: 16px;
            }
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
        }

        .article-body>*+* {
            margin-top: 1em;
        }

        .article-body h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.8em;
            padding-left: 16px;
            border-left: 4px solid var(--primary);
            color: var(--dark);
        }

        .article-body h3 {
            font-size: 22px;
            font-weight: 600;
            line-height: 1.4;
            margin-top: 1.6em;
            color: var(--dark);
        }

        .article-body h4 {
            font-size: 18px;
            font-weight: 600;
            margin-top: 1.4em;
            color: var(--dark);
        }

        .article-body p {
            margin: 1.5em 0;
            line-height: 1.75;
        }

        .article-body ul,
        .article-body ol {
            margin: 1.2em 0;
            padding-left: 1.5em;
        }

        .article-body li {
            margin: 0.5em 0;
        }

        .article-body a {
            color: var(--primary-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.3s;
        }

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

        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--light);
            padding: 16px 20px;
            border-radius: 8px;
            margin: 1.6em 0;
            color: var(--text-light);
        }

        .article-body img {
            border-radius: var(--radius-img);
            max-width: 100%;
            height: auto;
            margin: 1.5em 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
        }

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

        .article-body th {
            background: var(--light);
            font-weight: 600;
        }

        .not-found {
            text-align: center;
            padding: 80px 24px;
            max-width: 560px;
            margin: 0 auto;
            border: 2px dashed var(--border);
            border-radius: 20px;
            background: #fff;
        }

        .not-found h1 {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .not-found p {
            color: var(--text-light);
            margin-bottom: 24px;
        }

        .related-section {
            background: var(--light);
            padding: 80px 0;
        }

        .related-section .section-title {
            text-align: center;
            margin-bottom: 12px;
        }

        .related-section .section-subtitle {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 44px;
            font-size: 15px;
        }

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

        @media (max-width: 1024px) {
            .related-grid {
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .related-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s, transform 0.3s;
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--border);
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .related-card-img {
            width: 100%;
            height: 190px;
            overflow: hidden;
        }

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

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

        .related-card-body {
            padding: 24px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .related-card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 600;
            transition: gap 0.3s, color 0.3s;
        }

        .related-link:hover {
            gap: 10px;
            color: var(--primary);
        }

        .back-section {
            padding: 36px 0 72px;
            background: var(--light);
        }

        .back-section .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo::before {
            content: "";
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 10px var(--primary);
        }

        .footer-desc {
            line-height: 1.7;
            max-width: 280px;
            color: rgba(255, 255, 255, 0.6);
        }

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

        .footer-col a,
        .footer-col p {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 10px;
            transition: color 0.3s;
        }

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

        .footer-contact p {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact p i {
            color: var(--primary);
            width: 16px;
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        @media (max-width: 991px) {
            .main-nav {
                position: fixed;
                top: var(--header-h);
                left: 16px;
                right: 16px;
                background: #fff;
                border-radius: 16px;
                box-shadow: var(--shadow-hover);
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 4px;
                display: none;
                border: 1px solid var(--border);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 15px;
            }

            .main-nav a::after {
                display: none;
            }

            .main-nav a.active {
                background: var(--primary-glow);
                color: var(--primary-dark);
            }

            .main-nav a:hover {
                background: var(--light);
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .top-bar-links {
                display: none;
            }

            .top-bar-info span:last-child {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 16px;
            }

            .logo-dot {
                width: 9px;
                height: 9px;
            }

            .nav-inner {
                gap: 12px;
            }

            .article-hero {
                padding: 56px 0 70px;
            }

            .related-section {
                padding: 56px 0;
            }

            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #00C853;
      --primary-dark: #00A84D;
      --primary-soft: rgba(0,200,83,0.12);
      --accent: #FFB300;
      --accent-dark: #FF8F00;
      --dark: #0C1A14;
      --light: #F5F9F6;
      --card: #FFFFFF;
      --content: #17241E;
      --muted: #5B6B65;
      --border: rgba(23,36,30,0.08);
      --radius-card: 16px;
      --radius-btn: 10px;
      --radius-img: 12px;
      --shadow-card: 0 4px 20px rgba(0,0,0,0.04);
      --shadow-hover: 0 12px 32px rgba(0,0,0,0.08);
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--content);
      background: var(--light);
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; }
    button { font-family: inherit; border: none; background: none; cursor: pointer; }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 1rem;
    }
    @media (min-width: 768px) {
      .container { padding: 0 1.5rem; }
    }
    @media (min-width: 1024px) {
      .container { padding: 0 2rem; }
    }

    /* 顶部信息条 */
    .top-bar {
      background: var(--dark);
      color: rgba(255,255,255,0.7);
      font-size: 14px;
      height: 40px;
      display: flex;
      align-items: center;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .top-bar-links {
      display: flex;
      align-items: center;
    }
    .top-bar-links a {
      color: rgba(255,255,255,0.7);
      margin-left: 20px;
      transition: color 0.2s;
    }
    .top-bar-links a:hover { color: var(--primary); }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255,255,255,0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .logo {
      display: flex;
      align-items: center;
      font-size: 20px;
      font-weight: 800;
      color: var(--content);
      letter-spacing: 0.02em;
      white-space: nowrap;
    }
    .logo-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--primary);
      margin-right: 10px;
      box-shadow: 0 0 8px rgba(0,200,83,0.5);
      flex-shrink: 0;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 32px;
    }
    .main-nav a {
      font-size: 15px;
      font-weight: 500;
      color: var(--muted);
      padding: 8px 2px;
      border-bottom: 2px solid transparent;
      transition: color 0.2s, border-color 0.2s;
    }
    .main-nav a:hover { color: var(--content); }
    .main-nav a.active {
      color: var(--primary-dark);
      border-bottom-color: var(--primary);
      font-weight: 600;
    }
    .nav-cta { margin-left: 8px; flex-shrink: 0; }
    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      padding: 6px;
    }
    .nav-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--content);
      transition: all 0.3s;
    }
    .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* 按钮 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 24px;
      border-radius: var(--radius-btn);
      font-size: 15px;
      font-weight: 600;
      transition: all 0.2s ease;
      border: 2px solid transparent;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0,168,77,0.25);
    }
    .btn-primary:active { transform: translateY(0); }
    .btn-accent {
      background: var(--accent);
      color: var(--dark);
    }
    .btn-accent:hover {
      background: var(--accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255,179,0,0.3);
    }
    .btn-accent:active { transform: translateY(0); }
    .btn-outline {
      background: transparent;
      border-color: rgba(255,255,255,0.5);
      color: #fff;
    }
    .btn-outline:hover {
      background: rgba(255,255,255,0.1);
      border-color: #fff;
    }
    .btn:focus-visible {
      outline: 3px solid rgba(0,200,83,0.3);
      outline-offset: 2px;
    }
    .nav-cta {
      padding: 10px 20px;
      font-size: 14px;
    }

    /* 页面 Hero */
    .page-hero {
      position: relative;
      background: var(--dark) no-repeat center center / cover;
      color: #fff;
      padding: 72px 0 64px;
    }
    .page-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(105deg, rgba(12,26,20,0.92) 30%, rgba(12,26,20,0.55) 100%);
    }
    .page-hero .container { position: relative; z-index: 1; }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: rgba(255,255,255,0.6);
      margin-bottom: 20px;
      flex-wrap: wrap;
    }
    .breadcrumb a { transition: color 0.2s; }
    .breadcrumb a:hover { color: var(--primary); }

    .page-hero h1 {
      font-size: 40px;
      line-height: 1.2;
      font-weight: 800;
      letter-spacing: 0.02em;
      margin-bottom: 16px;
    }
    .hero-sub {
      font-size: 17px;
      color: rgba(255,255,255,0.8);
      max-width: 640px;
      margin-bottom: 32px;
    }
    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
    }
    .stat-item {
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 12px;
      padding: 16px 28px;
      text-align: center;
      min-width: 140px;
    }
    .stat-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.3;
    }
    .stat-label {
      font-size: 14px;
      color: rgba(255,255,255,0.7);
      margin-top: 4px;
    }

    /* 主体双栏 */
    .page-body {
      padding: 72px 0;
      background: var(--light);
    }
    .page-layout {
      display: grid;
      grid-template-columns: 260px 1fr;
      gap: 48px;
      align-items: start;
    }
    .page-toc {
      position: sticky;
      top: 96px;
      background: var(--card);
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border);
    }
    .toc-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
    }
    .page-toc a {
      display: block;
      padding: 10px 12px;
      border-radius: 8px;
      font-size: 15px;
      color: var(--muted);
      transition: all 0.2s;
      margin-bottom: 4px;
    }
    .page-toc a:hover {
      background: var(--primary-soft);
      color: var(--primary-dark);
    }
    .page-toc a.active-link {
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-weight: 600;
    }

    .page-content {
      display: flex;
      flex-direction: column;
      gap: 56px;
      min-width: 0;
    }
    .content-block {
      scroll-margin-top: 100px;
    }
    .content-block h2 {
      font-size: 30px;
      line-height: 1.3;
      font-weight: 700;
      margin-bottom: 12px;
      padding-bottom: 16px;
      border-bottom: 2px solid var(--primary-soft);
      position: relative;
    }
    .content-block h2::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 48px;
      height: 2px;
      background: var(--primary);
    }
    .content-block > p {
      color: var(--muted);
      margin-bottom: 28px;
    }
    .content-block h3 {
      font-size: 22px;
      line-height: 1.4;
      font-weight: 600;
      margin-bottom: 12px;
    }

    /* 注册流程 */
    .register-steps {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .step-item {
      display: flex;
      gap: 20px;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 24px;
      transition: box-shadow 0.2s, transform 0.2s;
    }
    .step-item:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .step-num {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary);
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      flex-shrink: 0;
      box-shadow: 0 4px 12px rgba(0,200,83,0.3);
    }
    .step-item h3 {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 6px;
    }
    .step-item p {
      font-size: 15px;
      color: var(--muted);
    }

    /* 会员等级 */
    .level-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .level-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 28px 24px;
      transition: all 0.3s;
      position: relative;
    }
    .level-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .level-card.featured {
      border-color: var(--primary);
      box-shadow: 0 8px 30px rgba(0,200,83,0.12);
    }
    .level-tag {
      display: inline-block;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 12px;
    }
    .level-card h3 {
      font-size: 22px;
      margin-bottom: 16px;
      font-weight: 700;
    }
    .level-card ul {
      list-style: none;
    }
    .level-card li {
      padding: 6px 0 6px 24px;
      position: relative;
      font-size: 15px;
      color: var(--muted);
    }
    .level-card li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 15px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
    }

    /* 服务保障 */
    .service-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .service-item {
      display: flex;
      gap: 24px;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 20px;
      align-items: center;
      transition: box-shadow 0.2s, transform 0.2s;
    }
    .service-item:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .service-item img {
      width: 200px;
      height: 140px;
      object-fit: cover;
      border-radius: var(--radius-img);
      flex-shrink: 0;
    }
    .service-item h3 {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .service-item p {
      font-size: 15px;
      color: var(--muted);
      margin-bottom: 0;
    }

    /* FAQ 手风琴 */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      transition: border-color 0.2s;
    }
    .faq-item:hover { border-color: var(--primary); }
    .faq-item.active { border-color: var(--primary); }
    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--content);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      transition: background 0.2s;
    }
    .faq-question:hover { background: rgba(0,200,83,0.03); }
    .faq-question::after {
      content: '+';
      font-size: 22px;
      color: var(--primary);
      transition: transform 0.3s;
      flex-shrink: 0;
      line-height: 1;
    }
    .faq-item.active .faq-question::after {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.3s ease;
      padding: 0 24px;
      color: var(--muted);
      font-size: 15px;
    }
    .faq-item.active .faq-answer {
      max-height: 240px;
      padding-bottom: 20px;
    }

    /* 数据网格 */
    .info-grid-section {
      padding: 72px 0;
      background: var(--card);
    }
    .info-grid-section h2 {
      text-align: center;
      font-size: 30px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .info-grid-section .section-desc {
      text-align: center;
      color: var(--muted);
      font-size: 15px;
      margin-bottom: 40px;
    }
    .info-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .info-card {
      background: var(--light);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 28px 20px;
      text-align: center;
      transition: all 0.2s;
    }
    .info-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
      border-color: var(--primary);
    }
    .info-card .num {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 8px;
      line-height: 1.2;
    }
    .info-card .label {
      font-size: 15px;
      color: var(--muted);
    }

    /* CTA */
    .cta-section {
      padding: 64px 0;
      background: linear-gradient(135deg, #00C853 0%, #0C1A14 75%);
    }
    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }
    .cta-left h2 {
      color: #fff;
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.3;
    }
    .cta-left p {
      color: rgba(255,255,255,0.8);
      font-size: 16px;
    }
    .cta-right {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* 页脚 */
    .site-footer {
      background: var(--dark);
      color: rgba(255,255,255,0.7);
      padding: 64px 0 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .footer-logo {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
      letter-spacing: 0.02em;
    }
    .footer-desc {
      font-size: 14px;
      color: rgba(255,255,255,0.6);
      max-width: 280px;
      line-height: 1.7;
    }
    .footer-col h4 {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-col a {
      display: block;
      font-size: 14px;
      color: rgba(255,255,255,0.6);
      padding: 6px 0;
      transition: color 0.2s;
    }
    .footer-col a:hover { color: var(--primary); }
    .footer-col p {
      font-size: 14px;
      color: rgba(255,255,255,0.6);
      padding: 4px 0;
    }
    .footer-bottom {
      padding: 20px 0;
      text-align: center;
      font-size: 14px;
      color: rgba(255,255,255,0.4);
    }

    /* 响应式 */
    @media (max-width: 768px) {
      .nav-inner { height: 64px; }
      .logo { font-size: 17px; }
      .nav-toggle {
        display: flex;
        background: rgba(255,255,255,0.8);
        border-radius: 8px;
        padding: 8px 10px;
      }
      .main-nav {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--card);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 0 1.5rem;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
        border-bottom: 1px solid transparent;
        box-shadow: 0 20px 30px rgba(0,0,0,0.06);
      }
      .main-nav.open {
        max-height: 420px;
        padding-bottom: 16px;
        border-bottom-color: var(--border);
      }
      .main-nav a {
        width: 100%;
        padding: 14px 0;
        border-bottom: 1px solid var(--border);
        font-size: 16px;
      }
      .main-nav a:last-child { border-bottom: none; }
      .main-nav a.active {
        border-bottom: 1px solid var(--primary);
        color: var(--primary-dark);
      }
      .nav-cta { display: none; }
      .top-bar-links a:first-child { display: none; }
    }

    @media (max-width: 1024px) {
      .page-layout {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .page-toc {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding: 16px;
      }
      .page-toc .toc-title { width: 100%; margin-bottom: 8px; border-bottom: none; padding-bottom: 0; }
      .page-toc a { margin-bottom: 0; }
      .level-grid { grid-template-columns: repeat(2, 1fr); }
      .info-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    }

    @media (max-width: 768px) {
      .page-hero { padding: 48px 0; }
      .page-hero h1 { font-size: 30px; }
      .hero-sub { font-size: 15px; }
      .hero-stats { flex-direction: column; }
      .stat-item { width: 100%; min-width: 0; }
      .page-body { padding: 48px 0; }
      .level-grid { grid-template-columns: 1fr; }
      .service-item { flex-direction: column; align-items: flex-start; }
      .service-item img { width: 100%; height: 180px; }
      .info-grid { grid-template-columns: 1fr; }
      .info-grid-section { padding: 48px 0; }
      .info-grid-section h2 { font-size: 24px; }
      .cta-inner { flex-direction: column; align-items: flex-start; }
      .cta-left h2 { font-size: 24px; }
      .footer-grid { grid-template-columns: 1fr; gap: 24px; }
      .content-block h2 { font-size: 24px; }
      .register-steps { gap: 12px; }
      .step-item { padding: 18px; }
    }