/* roulang page: index */
:root {
  --deep-navy: #0B1220;
  --dark-navy: #0F2239;
  --interactive-blue: #1E6BC4;
  --interactive-blue-dark: #155da8;
  --purchase-red: #E23B3B;
  --purchase-red-dark: #c53030;
  --page-bg: #F5F6F8;
  --card-bg: #FFFFFF;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-light: #9CA3AF;
  --border-color: #E4E7EB;
  --radius-btn: 8px;
  --radius-card: 12px;
  --shadow-default: 0 2px 8px rgba(12,29,58,.06);
  --shadow-hover: 0 12px 32px rgba(12,29,58,.12);
  --focus-ring: 0 0 0 3px rgba(30,107,196,.15);
  --font-sans: PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Noto Sans SC, "Helvetica Neue", Arial, sans-serif;
  --font-num: Inter, "Roboto Condensed", "DIN Alternate", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--page-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, button { font-family: inherit; border: none; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section { padding: 88px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head h2 { font-size: 30px; font-weight: 700; letter-spacing: .02em; margin-bottom: 12px; }
.section-head p { font-size: 16px; color: var(--text-secondary); }

h1, h2, h3, h4 { line-height: 1.3; color: var(--text-primary); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  border: 2px solid transparent;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  text-align: center;
  white-space: nowrap;
}
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn:active { transform: translateY(0) scale(.98); box-shadow: none; }
.btn:disabled, .btn.disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }
.btn-primary { background: var(--interactive-blue); color: #fff; }
.btn-primary:hover { background: var(--interactive-blue-dark); transform: translateY(-2px); box-shadow: var(--shadow-default); }
.btn-red { background: var(--purchase-red); color: #fff; }
.btn-red:hover { background: var(--purchase-red-dark); transform: translateY(-2px); box-shadow: var(--shadow-default); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,.8); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-2px); }
.btn-ghost { background: transparent; border-color: var(--interactive-blue); color: var(--interactive-blue); }
.btn-ghost:hover { background: rgba(30,107,196,.08); transform: translateY(-2px); }

.badge {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
}
.badge-red { background: var(--purchase-red); color: #fff; }
.badge-blue { background: var(--interactive-blue); color: #fff; }
.badge-gray { background: #EEF0F3; color: var(--text-secondary); }

/* ============ 头部导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 72px;
  background: #fff;
  border-bottom: 1px solid var(--border-color);
}
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand { display: flex; flex-direction: column; justify-content: center; line-height: 1.2; flex-shrink: 0; }
.brand-main { font-size: 20px; font-weight: 800; color: var(--deep-navy); letter-spacing: .02em; }
.brand-sub { font-size: 12px; color: var(--text-secondary); letter-spacing: .08em; margin-top: 2px; }
.nav-links { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  border-radius: 6px;
  transition: color .2s ease, background .2s ease;
}
.nav-link:hover { color: var(--interactive-blue); background: rgba(30,107,196,.06); }
.nav-link.active { color: var(--interactive-blue); font-weight: 600; }
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--interactive-blue);
  border-radius: 2px;
}
.nav-cta { margin-left: 8px; flex-shrink: 0; }

/* ============ 移动端底部 Tab ============ */
.bottom-tabs {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: #fff;
  border-top: 1px solid var(--border-color);
  z-index: 2000;
}
.bottom-tabs-inner { display: flex; align-items: center; height: 100%; }
.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 3px;
  color: var(--text-secondary);
  transition: color .2s ease;
  position: relative;
}
.tab-item .tab-icon { width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; }
.tab-item .tab-icon svg { width: 22px; height: 22px; }
.tab-item .tab-text { font-size: 12px; line-height: 1; }
.tab-item.active { color: var(--interactive-blue); }
.tab-item.active .tab-text { font-weight: 600; }
.tab-item.active::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--interactive-blue);
}
.tab-item:hover { color: var(--interactive-blue); }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(11,18,32,.78), rgba(15,34,57,.72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.hero-content { position: relative; z-index: 1; padding: 72px 0; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.25);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .04em;
  color: #F3F4F6;
}
.hero-badge svg { width: 14px; height: 14px; margin-right: 6px; }
.hero h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
  letter-spacing: .02em;
  margin-bottom: 16px;
  max-width: 720px;
}
.hero-subtitle {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255,255,255,.88);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.18);
}
.hero-foot span { font-size: 14px; color: rgba(255,255,255,.8); display: inline-flex; align-items: center; gap: 6px; }
.hero-foot svg { width: 16px; height: 16px; color: #7DB4F0; }

/* ============ 痛点区 ============ */
.pain-section { background: #fff; }
.pain-list { max-width: 820px; margin: 0 auto; }
.pain-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-color);
  transition: background .2s ease;
}
.pain-item:first-child { border-top: 1px solid var(--border-color); }
.pain-item:hover { background: rgba(245,246,248,.6); }
.pain-num {
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 700;
  color: var(--interactive-blue);
  width: 52px;
  text-align: center;
  flex-shrink: 0;
}
.pain-body { flex: 1; }
.pain-title { font-size: 17px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.pain-desc { font-size: 14px; color: var(--text-secondary); }
.pain-arrow { color: var(--text-light); flex-shrink: 0; transition: transform .2s ease, color .2s ease; }
.pain-arrow svg { width: 20px; height: 20px; display: block; }
.pain-item:hover .pain-arrow { transform: translateX(4px); color: var(--interactive-blue); }

/* ============ 解决方案区 ============ */
.solution-section { background: var(--page-bg); }
.solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.solution-img-wrap { position: relative; }
.solution-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  object-fit: cover;
  box-shadow: var(--shadow-hover);
}
.solution-items { display: flex; flex-direction: column; gap: 28px; }
.solution-item { display: flex; gap: 16px; align-items: flex-start; }
.solution-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(30,107,196,.1);
  color: var(--interactive-blue);
  transition: background .2s ease, color .2s ease;
}
.solution-icon svg { width: 22px; height: 22px; }
.solution-item:hover .solution-icon { background: var(--interactive-blue); color: #fff; }
.solution-text h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.solution-text p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.trust-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.trust-tag {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border-color);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  transition: border-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.trust-tag:hover { border-color: var(--interactive-blue); color: var(--interactive-blue); box-shadow: var(--shadow-default); }

/* ============ 成果区 ============ */
.stats-section { background: linear-gradient(rgba(11,18,32,.92), rgba(15,34,57,.9)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat; color: #fff; }
.stats-section .section-head h2 { color: #fff; }
.stats-section .section-head p { color: rgba(255,255,255,.7); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item { padding: 20px 8px; }
.stat-num {
  font-family: var(--font-num);
  font-size: 44px;
  font-weight: 800;
  letter-spacing: .01em;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-label { font-size: 14px; color: rgba(255,255,255,.7); letter-spacing: .04em; }

/* ============ 客户证言区 ============ */
.testimonial-section { background: #fff; }
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  position: relative;
  background: var(--page-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 32px 24px 24px;
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}
.testimonial-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: var(--interactive-blue); }
.quote-mark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 56px;
  line-height: 1;
  color: var(--interactive-blue);
  opacity: .5;
  margin-bottom: 12px;
  display: block;
}
.testimonial-text { font-size: 15px; line-height: 1.7; color: var(--text-primary); margin-bottom: 20px; min-height: 64px; }
.testimonial-user { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.avatar-a { background: var(--interactive-blue); }
.avatar-b { background: var(--purchase-red); }
.avatar-c { background: var(--dark-navy); }
.user-info .nickname { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.user-info .member-tag { font-size: 12px; color: var(--interactive-blue); margin-top: 2px; display: inline-block; }

/* ============ 资讯区 ============ */
.news-section { background: var(--page-bg); }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-card {
  display: flex;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: var(--interactive-blue); }
.news-thumb { flex: 0 0 190px; max-width: 190px; overflow: hidden; background: var(--border-color); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s ease; }
.news-card:hover .news-thumb img { transform: scale(1.03); }
.news-content { padding: 20px 20px 16px; display: flex; flex-direction: column; min-width: 0; }
.news-content .badge { align-self: flex-start; margin-bottom: 10px; }
.news-content h3 { font-size: 17px; font-weight: 600; line-height: 1.4; margin-bottom: 8px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-content h3 a { color: inherit; transition: color .2s ease; }
.news-content h3 a:hover { color: var(--interactive-blue); }
.news-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.news-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}
.news-meta time { font-size: 13px; color: var(--text-light); }
.read-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--interactive-blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color .2s ease, gap .2s ease;
}
.read-more:hover { gap: 8px; color: var(--interactive-blue-dark); }

/* 空状态 */
.empty-state {
  grid-column: 1 / -1;
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: #fff;
  color: var(--text-secondary);
  font-size: 15px;
}
.empty-icon { width: 48px; height: 48px; color: var(--border-color); display: flex; align-items: center; justify-content: center; }
.empty-icon svg { width: 48px; height: 48px; }

/* ============ FAQ ============ */
.faq-section { background: #fff; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border-color);
}
.faq-item:first-child { border-top: 1px solid var(--border-color); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 8px;
  background: transparent;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  min-height: 48px;
  transition: color .2s ease;
}
.faq-question:hover { color: var(--interactive-blue); }
.faq-question:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: 6px; }
.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--text-light);
  transition: transform .25s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--interactive-blue); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  background: var(--page-bg);
}
.faq-answer-inner { padding: 16px 16px 18px; font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ============ CTA区 ============ */
.cta-section { background: linear-gradient(rgba(15,34,57,.94), rgba(11,18,32,.96)), url('/assets/images/backpic/back-3.webp') center/cover no-repeat; color: #fff; }
.cta-inner { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { color: #fff; font-size: 30px; font-weight: 700; margin-bottom: 14px; letter-spacing: .02em; }
.cta-inner p { color: rgba(255,255,255,.78); font-size: 16px; margin-bottom: 32px; }
.cta-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto 20px; }
.cta-input {
  flex: 1;
  height: 46px;
  padding: 0 16px;
  border-radius: var(--radius-btn);
  border: 1.5px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: 15px;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.cta-input::placeholder { color: rgba(255,255,255,.55); }
.cta-input:focus { border-color: var(--interactive-blue); box-shadow: 0 0 0 3px rgba(30,107,196,.3); background: rgba(255,255,255,.18); }
.cta-contact { display: flex; justify-content: center; gap: 24px; margin-top: 20px; flex-wrap: wrap; }
.cta-contact a {
  font-size: 14px;
  color: rgba(255,255,255,.75);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s ease;
}
.cta-contact a:hover { color: #fff; }
.cta-contact svg { width: 16px; height: 16px; }

/* ============ 页脚 ============ */
.site-footer {
  background: var(--deep-navy);
  color: rgba(255,255,255,.75);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-main { color: #fff; }
.footer-brand .brand-sub { color: rgba(255,255,255,.5); }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-top: 16px; color: rgba(255,255,255,.55); max-width: 280px; }
.footer-h3 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .04em;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .2s ease, padding-left .2s ease; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-size: 14px; color: rgba(255,255,255,.6); }
.footer-contact svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--interactive-blue); }
.footer-copyright {
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}
.footer-copyright a { color: rgba(255,255,255,.5); transition: color .2s ease; }
.footer-copyright a:hover { color: #fff; }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .solution-grid { gap: 40px; }
  .stats-grid { gap: 16px; }
  .stat-num { font-size: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .container { padding: 0 20px; }
  .site-header { height: 56px; }
  .header-inner { height: 56px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .brand-main { font-size: 17px; }
  .brand-sub { display: none; }
  .bottom-tabs { display: block; }
  body { padding-bottom: 64px; }
  .hero { min-height: 480px; }
  .hero-content { padding: 56px 0; }
  .hero h1 { font-size: 30px; }
  .hero-subtitle { font-size: 16px; }
  .hero-actions { gap: 10px; }
  .solution-grid { grid-template-columns: 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card { flex-direction: column; }
  .news-thumb { max-width: 100%; flex: auto; height: 180px; }
  .news-thumb img { width: 100%; height: 100%; }
  .cta-form { flex-direction: column; }
  .cta-form .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-copyright { flex-direction: column; text-align: center; }
}

@media (max-width: 640px) {
  .section-head { margin-bottom: 36px; }
  .section-head h2 { font-size: 24px; }
  .hero h1 { font-size: 26px; }
  .hero-badge { height: 24px; font-size: 12px; padding: 0 10px; }
  .pain-item { gap: 14px; padding: 20px 0; }
  .pain-num { font-size: 20px; width: 40px; }
  .pain-title { font-size: 15px; }
  .pain-desc { font-size: 13px; }
  .solution-icon { width: 38px; height: 38px; }
  .stats-grid { gap: 12px; }
  .stat-num { font-size: 30px; }
  .stat-label { font-size: 12px; }
  .testimonial-card { padding: 24px 18px 18px; }
  .cta-inner h2 { font-size: 24px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 24px; }
  .btn { padding: 0 18px; font-size: 14px; }
  .news-content h3 { font-size: 15px; }
  .trust-tags { gap: 6px; }
  .trust-tag { height: 28px; font-size: 12px; padding: 0 10px; }
}

/* roulang page: article */
:root{
  --color-bg:#F5F6F8;
  --color-card:#FFFFFF;
  --color-text:#1F2937;
  --color-muted:#6B7280;
  --color-border:#E4E7EB;
  --color-navy:#0B1220;
  --color-navy-2:#0F2239;
  --color-blue:#1E6BC4;
  --color-blue-hover:#1558A8;
  --color-red:#E23B3B;
  --color-red-hover:#C22F2F;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-card:0 2px 8px rgba(12,29,58,.06);
  --shadow-hover:0 12px 32px rgba(12,29,58,.12);
  --container:1200px;
  --font-main:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Noto Sans SC",sans-serif;
  --font-num:Inter,"Roboto Condensed","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--color-bg);
  color:var(--color-text);
  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}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
@media(max-width:768px){.container{padding:0 20px}}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;border-bottom:1px solid var(--color-border);
  height:72px;
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;flex-direction:column;line-height:1.2;flex-shrink:0}
.brand-main{font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--color-navy)}
.brand-sub{font-size:12px;color:var(--color-muted);margin-top:2px;letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{
  font-size:15px;font-weight:500;color:var(--color-text);
  position:relative;padding:8px 2px;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--color-blue);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--color-blue)}
.nav-link.active{color:var(--color-blue);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{margin-left:8px;flex-shrink:0}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:all .2s ease;text-decoration:none;
}
.btn:focus-visible{outline:3px solid rgba(30,107,196,.15);outline-offset:2px}
.btn-primary{background:var(--color-blue);color:#fff}
.btn-primary:hover{background:var(--color-blue-hover);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-red{background:var(--color-red);color:#fff}
.btn-red:hover{background:var(--color-red-hover);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-red:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;color:var(--color-blue);border:1.5px solid var(--color-blue)}
.btn-outline:hover{background:rgba(30,107,196,.06);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn.disabled,.btn[disabled]{opacity:.5;pointer-events:none}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;line-height:1;
}
.badge-blue{background:rgba(30,107,196,.12);color:var(--color-blue)}
.badge-red{background:var(--color-red);color:#fff}
.badge-gray{background:#EFF1F4;color:#6B7280}

/* ===== 面包屑 ===== */
.breadcrumb{
  background:#fff;border-bottom:1px solid var(--color-border);
  padding:14px 0;font-size:14px;color:var(--color-muted);
}
.breadcrumb .container{display:flex;align-items:center;flex-wrap:wrap;gap:4px}
.breadcrumb a{color:var(--color-muted);transition:color .2s}
.breadcrumb a:hover{color:var(--color-blue)}
.breadcrumb .sep{color:#C0C6D0;margin:0 4px}
.breadcrumb .current{color:var(--color-text);font-weight:500;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章主体 ===== */
.post-main{padding:56px 0 48px}
.post-card{
  background:var(--color-card);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);max-width:860px;margin:0 auto;
  padding:52px 56px;border:1px solid rgba(228,231,235,.6);
}
.post-header{text-align:center;max-width:760px;margin:0 auto 36px}
.post-header .badge{margin-bottom:16px}
.post-header h1{
  font-size:36px;line-height:1.32;font-weight:700;letter-spacing:.02em;
  color:var(--color-navy);margin-bottom:18px;
}
.post-meta{
  display:flex;justify-content:center;align-items:center;
  gap:8px 24px;flex-wrap:wrap;font-size:14px;color:var(--color-muted);
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item svg{width:16px;height:16px;opacity:.7}
.post-content{
  max-width:760px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--color-text);
}
.post-content p{margin-bottom:24px}
.post-content h2{
  font-size:26px;font-weight:700;color:var(--color-navy);
  border-left:4px solid var(--color-red);padding-left:16px;
  margin:40px 0 18px;line-height:1.4;letter-spacing:.02em;
}
.post-content h3{font-size:20px;font-weight:600;color:var(--color-navy);margin:32px 0 14px}
.post-content img{border-radius:12px;margin:28px auto;max-width:100%;height:auto;object-fit:cover}
.post-content blockquote{
  background:#F8F9FA;border-left:3px solid var(--color-navy);
  padding:16px 20px;border-radius:0 8px 8px 0;margin:24px 0;
  color:#4B5563;font-size:15px;line-height:1.7;
}
.post-content ul,.post-content ol{padding-left:24px;margin-bottom:24px}
.post-content li{margin-bottom:8px}
.post-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.post-content th,.post-content td{border:1px solid var(--color-border);padding:10px 14px;text-align:left}
.post-content th{background:#F8F9FA;font-weight:600;color:var(--color-navy)}
.post-content pre{
  background:var(--color-navy);color:#F8F9FA;padding:18px 20px;
  border-radius:8px;overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.6;
}
.post-content code{font-family:Consolas,Menlo,monospace}
.post-content a{color:var(--color-blue);text-decoration:underline;text-underline-offset:3px}
.post-content a:hover{color:var(--color-blue-hover)}

/* ===== 空态 ===== */
.empty-state{
  border:2px dashed var(--color-border);border-radius:16px;
  padding:70px 32px;text-align:center;background:#FAFBFC;
}
.empty-state svg{width:52px;height:52px;color:#C0C6D0;margin:0 auto 16px}
.empty-state h2{font-size:22px;color:var(--color-navy);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--color-muted);margin-bottom:24px}

/* ===== 相关推荐 ===== */
.related-section{padding:16px 0 72px}
.related-header{
  max-width:860px;margin:0 auto 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.related-header h2{font-size:28px;font-weight:700;color:var(--color-navy)}
.related-grid{
  max-width:860px;margin:0 auto;display:grid;
  grid-template-columns:1fr 1fr;gap:20px;
}
.related-card{
  background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-card);
  display:flex;align-items:center;gap:16px;padding:14px;
  transition:all .2s ease;overflow:hidden;
}
.related-card:hover{border-color:var(--color-blue);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.related-thumb{width:132px;height:92px;border-radius:8px;overflow:hidden;flex-shrink:0}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-info{display:flex;flex-direction:column;min-width:0}
.related-info .badge{margin-bottom:6px;align-self:flex-start}
.related-info h3{
  font-size:15px;font-weight:600;color:var(--color-text);
  line-height:1.45;overflow:hidden;text-overflow:ellipsis;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  transition:color .2s;
}
.related-card:hover .related-info h3{color:var(--color-blue)}
.related-footer{max-width:860px;margin:32px auto 0;text-align:center}
.related-footer .btn{min-width:180px}

/* ===== CTA 区 ===== */
.cta-section{
  background:var(--color-navy);padding:72px 0;position:relative;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.png") no-repeat center/cover;
  opacity:.15;pointer-events:none;
}
.cta-inner{position:relative;max-width:720px;margin:0 auto;text-align:center;color:#fff}
.cta-inner h2{font-size:30px;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.72);margin-bottom:30px;line-height:1.7}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--color-navy);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .brand-main{color:#fff;font-size:20px;font-weight:700}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);font-size:12px;display:block;margin-top:4px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.5);margin-top:14px;max-width:260px}
.footer-h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.55);transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-contact{list-style:none}
.footer-contact li{
  display:flex;align-items:center;gap:8px;font-size:14px;
  color:rgba(255,255,255,.55);margin-bottom:12px;
}
.footer-contact svg{width:18px;height:18px;flex-shrink:0;opacity:.7}
.footer-copyright{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;
  padding:20px 0;font-size:13px;color:rgba(255,255,255,.38);
}
.footer-copyright a{color:rgba(255,255,255,.55)}
.footer-copyright a:hover{color:#fff}

/* ===== 移动端底部 Tab ===== */
.mobile-tabbar{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:200;
  height:64px;background:#fff;border-top:1px solid var(--color-border);
  align-items:stretch;justify-content:space-around;
}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;font-size:12px;color:var(--color-muted);position:relative;
  transition:color .2s;
}
.tab-item svg{width:22px;height:22px;transition:color .2s}
.tab-item.active{color:var(--color-blue);font-weight:600}
.tab-item.active::after{
  content:"";position:absolute;top:6px;right:50%;transform:translateX(140%);
  width:6px;height:6px;border-radius:50%;background:var(--color-blue);
}
.tab-item:active{color:var(--color-blue-hover)}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .nav-links{gap:22px}
  .nav-cta{padding:0 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .site-header{height:64px}
  .header-inner{height:64px}
  .nav-links,.nav-cta{display:none}
  .mobile-tabbar{display:flex}
  body{padding-bottom:64px}
  .brand-main{font-size:18px}
  .breadcrumb{padding:12px 0;font-size:13px}
  .post-main{padding:32px 0 24px}
  .post-card{padding:28px 20px;border-radius:0;box-shadow:none;border-left:none;border-right:none}
  .post-header h1{font-size:28px}
  .post-meta{font-size:13px;gap:4px 16px}
  .post-content{font-size:15px;line-height:1.8}
  .post-content h2{font-size:22px;margin-top:32px}
  .post-content h3{font-size:18px}
  .related-section{padding:8px 0 48px}
  .related-header{flex-direction:column;align-items:flex-start;gap:8px}
  .related-grid{grid-template-columns:1fr}
  .related-card{padding:12px}
  .related-thumb{width:116px;height:82px}
  .cta-section{padding:56px 0}
  .cta-inner h2{font-size:25px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-brand p{max-width:100%}
  .footer-copyright{flex-direction:column;text-align:center}
}
@media(max-width:520px){
  .post-card{padding:24px 16px}
  .post-header h1{font-size:25px}
  .post-meta{flex-direction:column;gap:6px}
  .related-thumb{width:96px;height:78px}
  .cta-btns .btn{width:100%;justify-content:center}
  .footer-contact li{font-size:13px}
}

/* roulang page: category1 */
:root {
            --deep-navy: #0B1220;
            --deep-navy-2: #0F2239;
            --interactive-blue: #1E6BC4;
            --blue-hover: #1858A3;
            --buy-red: #E23B3B;
            --red-hover: #C22F2F;
            --bg-page: #F5F6F8;
            --bg-card: #FFFFFF;
            --text-primary: #1F2937;
            --text-secondary: #6B7280;
            --border-color: #E4E7EB;
            --radius-btn: 8px;
            --radius-card: 12px;
            --radius-badge: 999px;
            --shadow-card: 0 2px 8px rgba(12, 29, 58, .06);
            --shadow-hover: 0 12px 32px rgba(12, 29, 58, .12);
            --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Noto Sans SC", sans-serif;
            --font-en: "Inter", "Roboto Condensed", var(--font-cn);
            --space-section: 88px;
            --space-mobile: 48px;
            --container-w: 1200px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            color: var(--text-primary);
            background: var(--bg-page);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input {
            font: inherit;
            border: none;
            outline: none;
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 32px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            cursor: pointer;
            transition: all .2s ease;
            border: 1.5px solid transparent;
        }
        .btn-primary {
            background: var(--interactive-blue);
            color: #fff;
            border-color: var(--interactive-blue);
        }
        .btn-primary:hover {
            background: var(--blue-hover);
            border-color: var(--blue-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(30, 107, 196, .25);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-buy {
            background: var(--buy-red);
            color: #fff;
            border-color: var(--buy-red);
        }
        .btn-buy:hover {
            background: var(--red-hover);
            border-color: var(--red-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(226, 59, 59, .3);
        }
        .btn-buy:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-ghost-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .7);
        }
        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }
        .btn-ghost-light:active {
            background: rgba(255, 255, 255, .2);
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(30, 107, 196, .35);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }
        .brand {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
            flex-shrink: 0;
        }
        .brand-main {
            font-weight: 800;
            font-size: 20px;
            color: var(--deep-navy);
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .brand-sub {
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: .04em;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: auto;
        }
        .nav-link {
            position: relative;
            padding: 10px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            transition: color .2s;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--interactive-blue);
            border-radius: 2px;
            transition: width .25s ease;
        }
        .nav-link:hover {
            color: var(--interactive-blue);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--interactive-blue);
            font-weight: 600;
        }
        .nav-link.active::after {
            width: 100%;
        }
        .nav-cta {
            padding: 10px 24px;
            flex-shrink: 0;
        }

        /* Hero */
        .page-hero {
            background: linear-gradient(135deg, rgba(11, 18, 32, .94) 0%, rgba(11, 18, 32, .82) 55%, rgba(15, 34, 57, .7) 100%), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            padding: 96px 0 88px;
            color: #fff;
            position: relative;
        }
        .hero-inner {
            max-width: 760px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 18px;
            border-radius: var(--radius-badge);
            letter-spacing: .04em;
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }
        .page-hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: .02em;
            margin-bottom: 18px;
            color: #fff;
        }
        .hero-sub {
            font-size: 22px;
            font-weight: 600;
            line-height: 1.5;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: .01em;
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.75;
            color: rgba(255, 255, 255, .82);
            max-width: 620px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hero-badges span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: var(--radius-badge);
            padding: 7px 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, .92);
        }
        .hero-badges svg {
            width: 14px;
            height: 14px;
            flex-shrink: 0;
        }

        /* Section base */
        .section {
            padding: var(--space-section) 0;
        }
        .section-white {
            background: #fff;
        }
        .section-gray {
            background: var(--bg-page);
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--deep-navy);
            letter-spacing: .02em;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Jersey grid */
        .jersey-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .jersey-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color .2s, box-shadow .25s, transform .25s;
            display: flex;
            flex-direction: column;
        }
        .jersey-card:hover {
            border-color: var(--interactive-blue);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .jersey-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
        }
        .jersey-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            transition: transform .35s ease;
        }
        .jersey-card:hover .card-img-wrap img {
            transform: scale(1.03);
        }
        .jersey-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--buy-red);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: .03em;
        }
        .jersey-tag.blue {
            background: var(--interactive-blue);
        }
        .card-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--deep-navy);
            margin-bottom: 10px;
            letter-spacing: .02em;
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 22px;
            flex: 1;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--interactive-blue);
            transition: gap .2s;
        }
        .card-link:hover {
            gap: 10px;
            color: var(--blue-hover);
        }
        .card-link svg {
            width: 16px;
            height: 16px;
        }

        /* Craft section */
        .craft-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .craft-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .craft-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 5 / 4;
        }
        .craft-img::after {
            content: '';
            position: absolute;
            inset: 0;
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-card);
            pointer-events: none;
        }
        .craft-content h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--deep-navy);
            letter-spacing: .02em;
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .craft-content .craft-intro {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .craft-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .craft-list li {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
            transition: background .2s;
        }
        .craft-list li:last-child {
            border-bottom: none;
        }
        .craft-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            border-radius: 10px;
            background: rgba(30, 107, 196, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--interactive-blue);
        }
        .craft-icon svg {
            width: 22px;
            height: 22px;
        }
        .craft-list h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            letter-spacing: .01em;
        }
        .craft-list p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .step-item {
            position: relative;
            background: var(--bg-page);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            border: 1px solid var(--border-color);
            transition: box-shadow .25s, transform .25s;
        }
        .step-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .step-num {
            font-family: var(--font-en);
            font-size: 40px;
            font-weight: 800;
            line-height: 1;
            color: rgba(30, 107, 196, .22);
            margin-bottom: 18px;
            font-variant-numeric: tabular-nums;
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--deep-navy);
            margin-bottom: 8px;
            letter-spacing: .01em;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .2s, box-shadow .2s;
        }
        .faq-item.active {
            border-color: var(--interactive-blue);
            box-shadow: var(--shadow-card);
        }
        .faq-item-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 56px;
            padding: 16px 24px;
            cursor: pointer;
            transition: color .2s;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .faq-item-header:hover {
            color: var(--interactive-blue);
        }
        .faq-item-header .icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            position: relative;
            border-radius: 50%;
            background: var(--bg-page);
            transition: background .2s, transform .3s;
        }
        .faq-item-header .icon::before,
        .faq-item-header .icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 10px;
            height: 2px;
            background: var(--text-secondary);
            transform: translate(-50%, -50%);
            border-radius: 1px;
            transition: background .2s;
        }
        .faq-item-header .icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
        }
        .faq-item.active .faq-item-header .icon {
            background: var(--interactive-blue);
            transform: rotate(180deg);
        }
        .faq-item.active .faq-item-header .icon::before,
        .faq-item.active .faq-item-header .icon::after {
            background: #fff;
        }
        .faq-item.active .faq-item-header .icon::after {
            transform: translate(-50%, -50%) rotate(0deg);
        }
        .faq-item-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-item-body-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            background: var(--bg-page);
            border-radius: 0 0 var(--radius-card) var(--radius-card);
        }

        /* CTA */
        .section-cta {
            background: linear-gradient(135deg, rgba(11, 18, 32, .96) 0%, rgba(15, 34, 57, .9) 100%), url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
            padding: 88px 0;
            text-align: center;
            color: #fff;
        }
        .section-cta h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: .02em;
        }
        .section-cta .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, .78);
            max-width: 520px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }
        .subscribe-form {
            display: flex;
            justify-content: center;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 240px;
            height: 48px;
            border-radius: var(--radius-btn);
            border: 1.5px solid rgba(255, 255, 255, .25);
            background: rgba(255, 255, 255, .08);
            color: #fff;
            padding: 0 18px;
            font-size: 14px;
            transition: border-color .2s, background .2s;
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, .55);
        }
        .subscribe-form input:focus {
            border-color: var(--interactive-blue);
            background: rgba(255, 255, 255, .14);
            box-shadow: 0 0 0 3px rgba(30, 107, 196, .2);
        }
        .subscribe-form .btn {
            height: 48px;
            flex-shrink: 0;
        }
        .cta-note {
            margin-top: 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        /* Footer */
        .site-footer {
            background: var(--deep-navy);
            color: rgba(255, 255, 255, .7);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .brand-main {
            color: #fff;
            font-size: 19px;
        }
        .footer-brand .brand-sub {
            color: rgba(255, 255, 255, .5);
            font-size: 13px;
            margin-top: 4px;
            display: block;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .55);
            margin-top: 16px;
            max-width: 280px;
        }
        .footer-h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: color .2s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 12px;
        }
        .footer-contact svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            opacity: .7;
        }
        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }
        .footer-copyright a {
            color: rgba(255, 255, 255, .5);
            transition: color .2s;
        }
        .footer-copyright a:hover {
            color: #fff;
        }

        /* Bottom Tab */
        .bottom-tab {
            display: none;
        }

        /* Focus states */
        a:focus-visible,
        button:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(30, 107, 196, .35);
            border-radius: 4px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .jersey-grid {
                gap: 20px;
            }
            .craft-inner {
                gap: 40px;
            }
            .steps-grid {
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 900px) {
            .nav-links {
                gap: 20px;
            }
            .nav-cta {
                padding: 10px 16px;
                font-size: 14px;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .header-inner {
                justify-content: center;
            }
            .page-hero {
                padding: 64px 0 72px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 18px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .section {
                padding: var(--space-mobile) 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .jersey-grid {
                grid-template-columns: 1fr;
            }
            .craft-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .craft-content h2 {
                font-size: 24px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .step-item {
                padding: 24px 20px;
            }
            .step-num {
                font-size: 30px;
            }
            .section-cta {
                padding: 56px 0;
            }
            .section-cta h2 {
                font-size: 24px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
                margin-bottom: 36px;
            }
            .cta-actions .btn {
                width: 100%;
                max-width: 320px;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: center;
            }
            .subscribe-form input {
                width: 100%;
                min-width: 0;
            }
            .subscribe-form .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-copyright {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            /* Bottom tab visible */
            .bottom-tab {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                z-index: 120;
                height: 64px;
                background: #fff;
                border-top: 1px solid var(--border-color);
                box-shadow: 0 -2px 12px rgba(12, 29, 58, .04);
                align-items: stretch;
                justify-content: space-around;
            }
            .tab-item {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 3px;
                font-size: 12px;
                color: var(--text-secondary);
                transition: color .2s;
                min-height: 0;
            }
            .tab-item svg {
                width: 22px;
                height: 22px;
                transition: color .2s;
            }
            .tab-item.active {
                color: var(--interactive-blue);
                font-weight: 600;
            }
            .tab-item.active svg {
                color: var(--interactive-blue);
            }
            .tab-item .dot {
                width: 4px;
                height: 4px;
                border-radius: 50%;
                background: var(--interactive-blue);
                opacity: 0;
                transition: opacity .2s;
            }
            .tab-item.active .dot {
                opacity: 1;
            }
            body {
                padding-bottom: 64px;
            }
            .site-footer {
                padding-bottom: 88px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 20px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .hero-badge {
                font-size: 12px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .faq-item-header {
                font-size: 15px;
                padding: 14px 18px;
            }
            .faq-item-body-inner {
                padding: 0 18px 18px;
                font-size: 14px;
            }
        }
        @media (min-width: 1281px) {
            .page-hero {
                padding-top: 110px;
                padding-bottom: 100px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #1E6BC4;
  --primary-dark: #1758A3;
  --red: #E23B3B;
  --red-dark: #C22F2F;
  --dark: #0B1220;
  --dark-alt: #0F2239;
  --bg: #F5F6F8;
  --card: #FFFFFF;
  --text: #1F2937;
  --text-secondary: #6B7280;
  --border: #E4E7EB;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(12, 29, 58, .06);
  --shadow-lg: 0 12px 32px rgba(12, 29, 58, .12);
  --container: 1200px;
  --space-section: 88px;
  --space-section-mobile: 48px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Noto Sans SC", sans-serif;
  --font-num: "Inter", "Roboto Condensed", "PingFang SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; object-fit: cover; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input { font-family: inherit; font-size: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.section { padding: var(--space-section) 0; }
.section-gray { background: #EDEFF2; }
.section-white { background: var(--card); }
.section-dark { background: var(--dark); color: #fff; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; height: 48px; padding: 0 26px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; line-height: 1; white-space: nowrap;
  border: 1.5px solid transparent; cursor: pointer; transition: all .2s ease;
}
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(30, 107, 196, .15); }
.btn:active { transform: translateY(0) !important; box-shadow: none !important; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-red { background: var(--red); color: #fff; border-color: var(--red); }
.btn-red:hover { background: var(--red-dark); border-color: var(--red-dark); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .8); }
.btn-outline:hover { background: rgba(255, 255, 255, .1); border-color: #fff; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-ghost:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* 顶部导航 */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: 72px; background: #fff; border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-main { font-weight: 800; font-size: 18px; letter-spacing: .02em; color: var(--dark); }
.brand-sub { font-size: 12px; color: var(--text-secondary); letter-spacing: .08em; }
.nav-links { display: flex; align-items: center; gap: 34px; margin-left: auto; }
.nav-link {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  height: 72px; font-size: 15px; font-weight: 500; color: var(--text); transition: color .2s ease; white-space: nowrap;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--primary); border-radius: 2px 2px 0 0;
  transform: scaleX(0); transition: transform .2s ease;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after { transform: scaleX(1); }
.nav-cta { height: 44px; padding: 0 20px; font-size: 14px; }

/* 移动端底部 Tab */
.mobile-tabbar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
  height: 64px; background: #fff; border-top: 1px solid var(--border);
}
.mobile-tabbar-inner { display: flex; height: 64px; }
.mobile-tab {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; font-size: 11px; color: var(--text-secondary); position: relative; min-height: 44px;
}
.mobile-tab svg { width: 22px; height: 22px; }
.mobile-tab:hover { color: var(--primary); }
.mobile-tab.active { color: var(--primary); font-weight: 600; }
.mobile-tab.active::after {
  content: ""; position: absolute; top: 6px; right: calc(50% - 18px);
  width: 6px; height: 6px; border-radius: 50%; background: var(--primary);
}

/* 子页 Hero */
.sub-hero {
  position: relative; background-color: var(--dark); color: #fff;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center;
}
.sub-hero::before {
  content: ""; position: absolute; inset: 0; background: rgba(11, 18, 32, .72);
}
.sub-hero-inner { position: relative; z-index: 2; padding: 84px 0 76px; }
.crumb {
  display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, .7);
  margin-bottom: 20px;
}
.crumb a { color: rgba(255, 255, 255, .7); transition: color .2s ease; }
.crumb a:hover { color: #fff; }
.crumb .sep { opacity: .5; }
.crumb .current { color: #fff; font-weight: 600; }
.sub-hero h1 { font-size: 40px; font-weight: 800; letter-spacing: .02em; margin-bottom: 14px; line-height: 1.25; }
.sub-hero-lead { font-size: 18px; color: rgba(255, 255, 255, .85); max-width: 660px; margin-bottom: 32px; line-height: 1.75; }
.sub-hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.sub-hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 34px; }
.badge-pill {
  display: inline-flex; align-items: center; gap: 6px; height: 26px; padding: 0 14px;
  border-radius: 999px; font-size: 13px; font-weight: 500; background: rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .9); border: 1px solid rgba(255, 255, 255, .2);
}

/* 会员权益区 */
.section-title { font-size: 30px; font-weight: 700; letter-spacing: .02em; color: var(--dark); margin-bottom: 12px; line-height: 1.3; }
.section-subtitle { font-size: 16px; color: var(--text-secondary); max-width: 640px; margin-bottom: 44px; line-height: 1.7; }
.benefit-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.benefit-item {
  display: flex; gap: 18px; padding: 28px 30px; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  transition: all .2s ease; align-items: flex-start;
}
.benefit-item:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.benefit-icon {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 12px;
  background: rgba(30, 107, 196, .08); display: flex; align-items: center; justify-content: center;
  color: var(--primary);
}
.benefit-icon svg { width: 26px; height: 26px; }
.benefit-info h3 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.benefit-info p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* 入会流程 */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process-step {
  position: relative; background: var(--card); border-radius: var(--radius);
  padding: 32px 24px; text-align: center; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border); transition: all .2s ease;
}
.process-step:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.process-num {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: #fff;
  font-size: 14px; font-weight: 700; font-family: var(--font-num);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 4px #EDEFF2;
}
.process-stepicon { width: 48px; height: 48px; margin: 6px auto 16px; color: var(--primary); }
.process-stepicon svg { width: 44px; height: 44px; }
.process-step h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; color: var(--dark); }
.process-step p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

/* 会员活动 */
.event-grid { display: flex; flex-direction: column; gap: 40px; }
.event-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: all .2s ease;
}
.event-card:hover { box-shadow: var(--shadow-lg); border-color: var(--primary); }
.event-media { min-height: 300px; overflow: hidden; }
.event-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.event-card:hover .event-media img { transform: scale(1.03); }
.event-body { padding: 40px 44px; display: flex; flex-direction: column; justify-content: center; }
.event-body .badge-line { margin-bottom: 14px; }
.badge-cat {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: rgba(30, 107, 196, .1); color: var(--primary); font-size: 12px; font-weight: 600;
}
.event-body h3 { font-size: 24px; font-weight: 700; color: var(--dark); margin-bottom: 12px; line-height: 1.35; }
.event-body p { font-size: 15px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 24px; }

/* FAQ */
.faq-wrap { display: flex; flex-direction: column; gap: 14px; max-width: 820px; }
.faq-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); overflow: hidden; transition: border-color .2s ease;
}
.faq-item:hover { border-color: var(--primary); }
.faq-item[open] { box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 16px 22px; min-height: 56px; font-size: 16px; font-weight: 600;
  color: var(--text); transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--primary); }
.faq-icon { position: relative; flex-shrink: 0; width: 20px; height: 20px; }
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; background: var(--primary); border-radius: 2px;
  transition: all .2s ease; top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.faq-icon::before { width: 14px; height: 2px; }
.faq-icon::after { width: 2px; height: 14px; }
.faq-item[open] .faq-icon::after { opacity: 0; transform: translate(-50%, -50%) scale(.5); }
.faq-answer { padding: 4px 22px 22px; color: var(--text-secondary); font-size: 15px; line-height: 1.75; }

/* CTA */
.cta-band { background: var(--dark); color: #fff; position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover; background-position: center; opacity: .18;
}
.cta-inner { position: relative; z-index: 2; text-align: center; padding: 72px 0 64px; }
.cta-inner h2 { font-size: 30px; font-weight: 800; letter-spacing: .02em; margin-bottom: 14px; }
.cta-inner p { font-size: 16px; color: rgba(255, 255, 255, .75); max-width: 620px; margin: 0 auto 36px; line-height: 1.75; }
.cta-form {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  max-width: 520px; margin: 0 auto 16px; flex-wrap: wrap;
}
.cta-form input {
  flex: 1; min-width: 240px; height: 48px; padding: 0 18px; border-radius: var(--radius-sm);
  border: 1.5px solid rgba(255, 255, 255, .3); background: rgba(255, 255, 255, .08);
  color: #fff; font-size: 15px; transition: all .2s ease;
}
.cta-form input::placeholder { color: rgba(255, 255, 255, .5); }
.cta-form input:focus { outline: none; border-color: var(--primary); background: rgba(255, 255, 255, .12); box-shadow: 0 0 0 3px rgba(30, 107, 196, .15); }
.cta-note { font-size: 13px; color: rgba(255, 255, 255, .45); margin-top: 10px; }

/* 页脚 */
.site-footer { background: var(--dark); color: #fff; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .brand-main { color: #fff; font-size: 20px; }
.footer-brand .brand-sub { color: rgba(255, 255, 255, .5); display: block; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: rgba(255, 255, 255, .55); line-height: 1.75; margin-top: 12px; }
.footer-h3 { font-size: 16px; font-weight: 700; margin-bottom: 18px; color: #fff; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14px; color: rgba(255, 255, 255, .6); transition: color .2s ease, padding-left .2s ease; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact li {
  display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, .6);
  margin-bottom: 12px;
}
.footer-contact svg { width: 16px; height: 16px; flex-shrink: 0; opacity: .7; }
.footer-copyright {
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 20px 0 28px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 13px; color: rgba(255, 255, 255, .4);
}
.footer-copyright a { color: rgba(255, 255, 255, .5); transition: color .2s ease; }
.footer-copyright a:hover { color: #fff; }

/* 响应式 */
@media (max-width: 1024px) {
  .nav-links { gap: 20px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .event-media { min-height: 240px; }
  .event-body { padding: 28px 30px; }
}
@media (max-width: 768px) {
  .site-header { display: none; }
  .mobile-tabbar { display: block; }
  body { padding-bottom: 64px; }
  .container { padding: 0 20px; }
  .section { padding: var(--space-section-mobile) 0; }
  .sub-hero-inner { padding: 56px 0 52px; }
  .sub-hero h1 { font-size: 30px; }
  .sub-hero-lead { font-size: 16px; margin-bottom: 24px; }
  .sub-hero-actions { flex-direction: column; align-items: stretch; }
  .sub-hero-actions .btn { width: 100%; }
  .section-title { font-size: 24px; }
  .section-subtitle { font-size: 15px; margin-bottom: 32px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-item { padding: 22px 20px; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 16px; }
  .process-step { padding: 26px 16px; }
  .event-card { grid-template-columns: 1fr; }
  .event-media { min-height: 200px; }
  .event-body { padding: 24px 20px; }
  .event-body h3 { font-size: 20px; }
  .event-body p { font-size: 14px; }
  .faq-item summary { font-size: 15px; padding: 14px 16px; min-height: 52px; }
  .faq-answer { padding: 4px 16px 18px; font-size: 14px; }
  .cta-inner { padding: 56px 0 48px; }
  .cta-inner h2 { font-size: 24px; }
  .cta-form { flex-direction: column; align-items: stretch; }
  .cta-form input { width: 100%; min-width: 0; }
  .cta-form .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; padding-bottom: 32px; }
  .footer-copyright { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .process-steps { grid-template-columns: 1fr; }
  .crumb { font-size: 13px; }
  .sub-hero h1 { font-size: 26px; }
  .badge-pill { height: 24px; padding: 0 10px; font-size: 12px; }
}