/* roulang page: index */
:root {
  --primary:#2254E6;
  --primary-dark:#1B47C4;
  --secondary:#00B8A9;
  --gold:#FFB800;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --title:#101B33;
  --text:#3C4A63;
  --muted:#8A93A8;
  --border:#E8EEF6;
  --footer-bg:#0E1B33;
  --radius-btn:12px;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-input:8px;
  --radius-sm:10px;
  --shadow-card:0 2px 8px rgba(16,27,51,.06), 0 4px 20px rgba(16,27,51,.05);
  --shadow-hover:0 8px 30px rgba(16,27,51,.12);
  --shadow-dock:0 4px 24px rgba(16,27,51,.08);
  --section-space:96px;
  --section-space-mobile:64px;
  --font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body {
  font-family:var(--font-family);
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img { max-width:100%; display:block; }
a { color:var(--primary); text-decoration:none; transition:color .2s ease; }
a:hover { color:var(--primary-dark); }
ul, ol { list-style:none; }
button { font-family:inherit; cursor:pointer; border:none; background:none; }
input, textarea { font-family:inherit; font-size:14px; }
:focus-visible { outline:3px solid rgba(34,84,230,.3); outline-offset:2px; }

.grid-container { max-width:1200px; padding-left:24px; padding-right:24px; }
.grid-margin-x { margin-left:-12px; margin-right:-12px; }
.grid-margin-x > .cell { padding-left:12px; padding-right:12px; }

/* 按钮系统 */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-weight:600; border-radius:var(--radius-btn); line-height:1;
  transition:all .25s ease; white-space:nowrap; border:1px solid transparent;
}
.btn:hover { transform:translateY(-2px); box-shadow:var(--shadow-hover); }
.btn:active { transform:translateY(0); box-shadow:none; }
.btn-lg { height:52px; padding:0 32px; font-size:16px; }
.btn-md { height:40px; padding:0 24px; font-size:14px; border-radius:10px; }
.btn-sm { height:32px; padding:0 16px; font-size:13px; border-radius:8px; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); color:#fff; }
.btn-primary:active { background:#143798; }
.btn-outline { background:#fff; border-color:var(--primary); color:var(--primary); }
.btn-outline:hover { background:rgba(34,84,230,.06); color:var(--primary-dark); }
.btn-cyan { background:var(--secondary); color:#fff; }
.btn-cyan:hover { background:#00998c; color:#fff; }
.btn-block { width:100%; }

/* 区块标题 */
.section-title {
  font-size:28px; font-weight:700; color:var(--title); line-height:1.4;
  padding-left:16px; position:relative; margin-bottom:12px;
}
.section-title::before {
  content:""; position:absolute; left:0; top:5px; bottom:5px; width:4px;
  background:var(--primary); border-radius:4px;
}
.section-desc { color:var(--muted); font-size:15px; margin-bottom:40px; }
.section-title-wrap { text-align:left; }

/* 导航 Dock */
.nav-wrapper { position:fixed; top:16px; left:0; right:0; z-index:1000; display:flex; justify-content:center; padding:0 16px; pointer-events:none; }
.site-dock {
  pointer-events:auto;
  width:100%; max-width:1200px;
  background:rgba(255,255,255,.96);
  border-radius:999px;
  box-shadow:var(--shadow-dock);
  transition:box-shadow .3s ease, max-height .3s ease;
  backdrop-filter:blur(10px);
}
.site-dock.scrolled { box-shadow:0 8px 30px rgba(16,27,51,.14); }
.dock-inner { display:flex; align-items:center; justify-content:space-between; height:72px; padding:0 24px; transition:height .3s ease; }
.site-dock.scrolled .dock-inner { height:60px; }
.dock-logo { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.logo-icon {
  width:38px; height:38px; border-radius:12px;
  background:linear-gradient(135deg, var(--primary), var(--secondary));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:16px;
}
.logo-text { font-size:18px; font-weight:800; color:var(--title); letter-spacing:.5px; }
.dock-menu { display:flex; align-items:center; gap:6px; margin:0; }
.dock-menu li { margin:0; }
.dock-menu a {
  display:block; padding:10px 18px; border-radius:999px;
  font-size:14px; font-weight:500; color:var(--text);
  transition:all .2s ease;
}
.dock-menu a:hover { color:var(--primary); background:rgba(34,84,230,.06); }
.dock-menu a.active { color:var(--primary); background:rgba(34,84,230,.08); font-weight:600; }
.dock-actions { display:flex; align-items:center; gap:12px; }
.dock-search {
  width:40px; height:40px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:var(--text); font-size:15px;
  transition:all .2s ease;
}
.dock-search:hover { background:rgba(34,84,230,.06); color:var(--primary); }
.dock-download { display:inline-flex; }
.menu-toggle { display:none; width:42px; height:42px; border-radius:50%; font-size:18px; color:var(--title); }

/* Hero */
.hero {
  padding:140px 0 80px;
  background:
    linear-gradient(rgba(246,248,252,.92), rgba(246,248,252,.94)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  position:relative;
  overflow:hidden;
}
.hero-copy { padding-right:20px; }
.hero-eyebrow {
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(34,84,230,.08); color:var(--primary);
  font-size:13px; font-weight:600; padding:6px 14px; border-radius:999px;
  margin-bottom:20px;
}
.hero h1 {
  font-size:44px; line-height:1.25; font-weight:800; color:var(--title);
  margin-bottom:20px; letter-spacing:.5px;
}
.hero h1 .brand-hl { color:var(--primary); }
.hero-sub {
  font-size:16px; color:var(--text); line-height:1.7; max-width:520px;
  margin-bottom:28px;
}
.hero-downloads { display:flex; flex-wrap:wrap; gap:14px; margin-bottom:24px; }
.hero-downloads .btn { min-width:150px; }
.hero-trust { display:flex; flex-wrap:wrap; gap:18px; color:var(--muted); font-size:13px; }
.hero-trust span { display:inline-flex; align-items:center; gap:6px; }
.hero-trust i { color:var(--secondary); }
.hero-visual-col { position:relative; }
.hero-visual {
  position:relative; border-radius:var(--radius-lg); overflow:hidden;
  box-shadow:var(--shadow-hover), 0 20px 60px rgba(34,84,230,.14);
  transform:rotate(1deg);
}
.hero-visual img { width:100%; height:auto; object-fit:cover; }
.hero-visual::after {
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(255,255,255,0) 60%, rgba(255,255,255,.12));
}
.hero-float-badge {
  position:absolute; bottom:-18px; left:-14px;
  background:#fff; border-radius:14px; padding:14px 18px;
  box-shadow:var(--shadow-hover);
  display:flex; align-items:center; gap:12px;
}
.hero-float-badge .num { font-size:26px; font-weight:800; color:var(--primary); line-height:1; }
.hero-float-badge .label { font-size:12px; color:var(--muted); line-height:1.4; }

/* 核心价值 */
.section { padding:var(--section-space) 0; }
.bg-white { background:#fff; }
.value-card {
  background:var(--card); border-radius:var(--radius-card);
  padding:28px; box-shadow:var(--shadow-card);
  border:1px solid var(--border);
  transition:all .25s ease; height:100%;
}
.value-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-hover); border-color:rgba(34,84,230,.25); }
.value-icon {
  width:48px; height:48px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:18px; margin-bottom:18px;
}
.value-icon.blue { background:rgba(34,84,230,.1); color:var(--primary); }
.value-icon.cyan { background:rgba(0,184,169,.12); color:var(--secondary); }
.value-icon.gold { background:rgba(255,184,0,.15); color:#d99a00; }
.value-icon.indigo { background:rgba(99,102,241,.1); color:#6366f1; }
.value-card h3 { font-size:18px; font-weight:600; color:var(--title); margin-bottom:10px; }
.value-card p { font-size:14px; color:var(--text); line-height:1.7; margin-bottom:0; }

/* 轮播 */
.orbit-mock { position:relative; max-width:820px; margin:0 auto; }
.orbit-window { position:relative; height:380px; overflow:hidden; }
.orbit-slide {
  position:absolute; top:50%; left:50%;
  width:260px;
  transform:translate(-50%,-50%) scale(.85);
  opacity:0; pointer-events:none;
  transition:all .5s ease;
  border-radius:16px; overflow:hidden;
  box-shadow:var(--shadow-hover);
}
.orbit-slide img { width:100%; height:380px; object-fit:cover; }
.orbit-slide.is-prev { opacity:.6; transform:translate(calc(-50% - 240px),-50%) scale(.85); }
.orbit-slide.is-active { opacity:1; transform:translate(-50%,-50%) scale(1); pointer-events:auto; z-index:2; }
.orbit-slide.is-next { opacity:.6; transform:translate(calc(-50% + 240px),-50%) scale(.85); }
.orbit-arrow {
  position:absolute; top:50%; transform:translateY(-50%);
  width:44px; height:44px; border-radius:50%;
  background:#fff; box-shadow:var(--shadow-hover);
  display:flex; align-items:center; justify-content:center;
  font-size:16px; color:var(--title); z-index:5;
  transition:all .25s ease;
}
.orbit-arrow:hover { background:var(--primary); color:#fff; }
.orbit-arrow.left { left:0; }
.orbit-arrow.right { right:0; }
.orbit-dots { display:flex; justify-content:center; gap:8px; margin-top:24px; }
.orbit-dot {
  width:8px; height:8px; border-radius:999px; background:#CBD5E1;
  transition:all .3s ease; padding:0;
}
.orbit-dot.is-active { width:22px; background:var(--primary); }

/* 系统要求 */
.spec-card {
  background:#fff; border-radius:var(--radius-card);
  padding:28px; box-shadow:var(--shadow-card);
  border:1px solid var(--border); height:100%;
}
.spec-head { display:flex; align-items:center; gap:12px; margin-bottom:20px; }
.spec-head .platform-icon {
  width:44px; height:44px; border-radius:12px;
  background:rgba(34,84,230,.08); color:var(--primary);
  display:flex; align-items:center; justify-content:center; font-size:20px;
}
.spec-head h3 { font-size:18px; font-weight:700; color:var(--title); margin:0; }
.spec-row {
  display:flex; justify-content:space-between; align-items:center;
  padding:13px 0; border-bottom:1px dashed var(--border); gap:16px;
}
.spec-row:last-child { border-bottom:none; }
.spec-label { font-size:13px; color:var(--muted); flex-shrink:0; }
.spec-value { font-size:14px; color:var(--title); font-weight:600; text-align:right; }
.spec-value.highlight { color:var(--primary); }

/* 评价墙 */
.reviews-summary {
  display:flex; align-items:center; gap:32px; flex-wrap:wrap;
  background:#fff; border-radius:var(--radius-card);
  padding:28px 32px; box-shadow:var(--shadow-card);
  border:1px solid var(--border); margin-bottom:32px;
}
.review-score-block { display:flex; align-items:center; gap:20px; }
.score-num { font-size:52px; font-weight:800; color:var(--title); line-height:1; }
.score-stars { color:var(--gold); font-size:16px; letter-spacing:2px; }
.score-count { color:var(--muted); font-size:13px; margin-top:6px; }
.reviews-summary-text {
  flex:1; color:var(--text); font-size:14px; line-height:1.8;
  border-left:1px solid var(--border); padding-left:32px;
}
.review-card {
  background:#FBFCFE; border:1px solid var(--border);
  border-radius:var(--radius-card); padding:24px;
  box-shadow:var(--shadow-card);
  transition:all .25s ease; height:100%;
  display:flex; flex-direction:column;
}
.review-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-hover); }
.review-user { display:flex; align-items:center; gap:12px; margin-bottom:14px; }
.review-avatar {
  width:40px; height:40px; border-radius:50%;
  background:rgba(34,84,230,.1); color:var(--primary);
  display:flex; align-items:center; justify-content:center;
  font-size:16px; font-weight:700; flex-shrink:0;
}
.review-name { font-size:14px; font-weight:600; color:var(--title); }
.review-role { font-size:12px; color:var(--muted); }
.review-stars { color:var(--gold); font-size:13px; margin-bottom:12px; letter-spacing:2px; }
.review-text { font-size:14px; color:var(--text); line-height:1.75; margin-bottom:0; }

/* 下载区块 */
.download-block { background:#F0F4FC; }
.download-inner { text-align:center; }
.download-btns { display:flex; flex-wrap:wrap; gap:16px; justify-content:center; margin-bottom:28px; }
.download-btns .btn { min-width:160px; }
.qr-code-wrap {
  display:flex; align-items:center; gap:16px; justify-content:center;
  background:#fff; border-radius:16px; padding:16px 24px;
  box-shadow:var(--shadow-card); max-width:340px; margin:0 auto;
}
.qr-box {
  width:72px; height:72px; border-radius:12px;
  background:linear-gradient(135deg, #E8EEF6, #DCE3F0);
  display:flex; align-items:center; justify-content:center;
  color:var(--primary); font-size:26px;
}
.qr-text { font-size:13px; color:var(--muted); text-align:left; line-height:1.6; }

/* 最新动态 */
.news-spotlight {
  display:flex; background:#fff; border-radius:var(--radius-card);
  overflow:hidden; box-shadow:var(--shadow-card);
  border:1px solid var(--border); height:100%;
  transition:box-shadow .25s ease;
}
.news-spotlight:hover { box-shadow:var(--shadow-hover); }
.spotlight-cover { width:55%; overflow:hidden; }
.spotlight-cover img { width:100%; height:100%; min-height:240px; object-fit:cover; transition:transform .4s ease; }
.news-spotlight:hover .spotlight-cover img { transform:scale(1.03); }
.spotlight-content { flex:1; padding:24px; display:flex; flex-direction:column; }
.spotlight-content .tag { align-self:flex-start; }
.spotlight-content h3 { font-size:20px; font-weight:700; color:var(--title); margin:12px 0 10px; line-height:1.4; }
.spotlight-content p { font-size:14px; color:var(--text); line-height:1.7; margin-bottom:16px; flex:1; }
.spotlight-meta { display:flex; align-items:center; gap:14px; font-size:13px; color:var(--muted); }
.spotlight-meta a { font-weight:600; }
.tag {
  display:inline-flex; align-items:center;
  background:rgba(0,184,169,.1); color:var(--secondary);
  font-size:12px; font-weight:600; padding:4px 10px; border-radius:6px;
}
.news-list-item {
  display:flex; gap:16px; background:#fff; border-radius:var(--radius-card);
  padding:16px; box-shadow:var(--shadow-card); border:1px solid var(--border);
  transition:all .25s ease; align-items:center;
}
.news-list-item:hover { transform:translateY(-3px); box-shadow:var(--shadow-hover); }
.news-list-thumb { width:120px; height:80px; object-fit:cover; border-radius:10px; flex-shrink:0; }
.news-list-content { flex:1; min-width:0; }
.news-list-content h3 { font-size:16px; font-weight:600; color:var(--title); margin-bottom:6px; line-height:1.4; overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.news-list-time { font-size:12px; color:var(--muted); display:flex; align-items:center; gap:6px; }
.news-list-time i { color:var(--secondary); }
.news-mini-card {
  background:#fff; border-radius:var(--radius-card); overflow:hidden;
  box-shadow:var(--shadow-card); border:1px solid var(--border);
  transition:all .25s ease; height:100%;
  display:flex; flex-direction:column;
}
.news-mini-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-hover); }
.mini-card-img { width:100%; height:140px; object-fit:cover; }
.mini-card-body { padding:20px; display:flex; flex-direction:column; flex:1; }
.mini-card-body .tag { align-self:flex-start; margin-bottom:10px; }
.mini-card-body h3 { font-size:16px; font-weight:600; color:var(--title); line-height:1.45; margin-bottom:8px; overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.mini-card-body p { font-size:13px; color:var(--muted); line-height:1.6; flex:1; margin-bottom:12px; overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.mini-card-meta { display:flex; justify-content:space-between; align-items:center; font-size:12px; color:var(--muted); }
.mini-card-meta a { font-weight:600; }
.news-empty {
  text-align:center; padding:56px 24px; background:#fff;
  border-radius:var(--radius-card); box-shadow:var(--shadow-card);
  border:1px solid var(--border);
}
.news-empty i { font-size:36px; color:var(--muted); margin-bottom:12px; display:block; }
.news-empty p { color:var(--muted); font-size:15px; margin:0; }

/* FAQ */
.accordion { background:#fff; border-radius:var(--radius-card); box-shadow:var(--shadow-card); border:1px solid var(--border); overflow:hidden; }
.accordion-item { border-bottom:1px solid var(--border); }
.accordion-item:last-child { border-bottom:none; }
.accordion-title {
  background:#fff !important; border:none !important;
  padding:22px 56px 22px 24px; font-size:16px; font-weight:600;
  color:var(--title) !important; position:relative; line-height:1.5;
}
.accordion-title:hover { background:#FBFCFE !important; }
.accordion-title::before {
  content:"+"; position:absolute; right:24px; top:50%; transform:translateY(-50%);
  width:28px; height:28px; border-radius:50%;
  background:rgba(34,84,230,.08); color:var(--primary);
  display:flex; align-items:center; justify-content:center;
  font-size:18px; font-weight:700; transition:transform .3s ease;
}
.accordion-item.is-active > .accordion-title::before { transform:translateY(-50%) rotate(45deg); background:var(--primary); color:#fff; }
.accordion-content {
  background:#fff !important; color:var(--text) !important;
  padding:0 24px 20px; font-size:14px; line-height:1.8;
}
.accordion-content p:last-child { margin-bottom:0; }

/* 反馈表单 */
.feedback-card {
  background:#fff; border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card); border:1px solid var(--border);
  padding:40px; max-width:720px; margin:0 auto;
}
.form-label {
  display:block; font-size:13px; color:var(--muted); margin-bottom:6px;
  font-weight:500;
}
.form-input {
  width:100%; height:48px; border-radius:var(--radius-input);
  border:1px solid transparent; background:#F1F4FA;
  padding:0 16px; font-size:14px; color:var(--title);
  transition:all .2s ease; margin-bottom:18px;
}
.form-input:focus {
  outline:none; background:#fff; border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(34,84,230,.12);
}
textarea.form-input { height:auto; min-height:120px; padding:14px 16px; resize:vertical; }
.form-btn-row { display:flex; justify-content:flex-end; margin-top:8px; }
.form-hint { font-size:12px; color:var(--muted); margin-top:6px; }
.form-success {
  background:rgba(0,184,169,.08); color:#00998c;
  font-size:14px; padding:12px 16px; border-radius:8px;
  margin-top:14px; display:none; text-align:center;
}
.form-success.show { display:block; }

/* 页脚 CTA */
.footer-cta {
  background:var(--footer-bg); padding:56px 0 0;
}
.cta-card {
  background:#fff; border-radius:var(--radius-lg);
  padding:36px 40px; display:flex; align-items:center;
  justify-content:space-between; gap:24px; flex-wrap:wrap;
  box-shadow:var(--shadow-hover);
}
.cta-text h3 { font-size:22px; font-weight:700; color:var(--title); margin-bottom:6px; }
.cta-text p { font-size:14px; color:var(--muted); margin:0; }

/* 页脚 */
.site-footer { background:var(--footer-bg); color:#9BA6BF; padding:56px 0 0; }
.footer-grid { padding-bottom:40px; }
.footer-brand .logo-text { color:#fff; }
.footer-brand p { font-size:14px; line-height:1.8; color:#7C8AA8; margin-top:16px; max-width:280px; }
.footer-title { font-size:16px; font-weight:700; color:#fff; margin-bottom:18px; }
.footer-links li { margin-bottom:10px; }
.footer-links a { font-size:14px; color:#9BA6BF; transition:color .2s ease; }
.footer-links a:hover { color:#fff; }
.footer-contact li { display:flex; gap:10px; font-size:14px; margin-bottom:12px; color:#9BA6BF; }
.footer-contact li i { color:var(--secondary); width:18px; text-align:center; margin-top:5px; font-size:13px; }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0; text-align:center;
  font-size:12px; color:#5C698C;
}
.footer-bottom span { margin:0 6px; }

/* 滚动条 */
::-webkit-scrollbar { width:10px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:#C7D0E0; border-radius:5px; }
::-webkit-scrollbar-thumb:hover { background:#A8B4C8; }

/* 响应式 */
@media (max-width: 1024px) {
  .dock-menu a { padding:8px 14px; font-size:13px; }
  .hero h1 { font-size:38px; }
  .hero-visual { transform:none; }
  .orbit-slide.is-prev { transform:translate(calc(-50% - 170px),-50%) scale(.85); }
  .orbit-slide.is-next { transform:translate(calc(-50% + 170px),-50%) scale(.85); }
  .section { padding:80px 0; }
}
@media (max-width: 768px) {
  :root { --section-space:64px; }
  .nav-wrapper { top:0; padding:0; }
  .site-dock { border-radius:0; max-width:100%; }
  .dock-inner { height:64px; padding:0 16px; }
  .dock-menu {
    display:none; position:absolute; top:64px; left:0; right:0;
    background:#fff; flex-direction:column; padding:12px;
    box-shadow:var(--shadow-dock); border-radius:0 0 16px 16px;
  }
  .dock-menu.open { display:flex; }
  .dock-menu a { padding:14px 16px; border-radius:10px; width:100%; text-align:center; }
  .dock-search { display:none; }
  .dock-download { display:none; }
  .menu-toggle { display:flex; align-items:center; justify-content:center; }
  .hero { padding:110px 0 56px; }
  .hero h1 { font-size:30px; }
  .hero-sub { font-size:15px; }
  .hero-downloads .btn { width:100%; }
  .hero-trust { justify-content:center; gap:12px; }
  .hero-float-badge { left:8px; bottom:-14px; }
  .section-title { font-size:22px; }
  .reviews-summary { flex-direction:column; align-items:flex-start; }
  .reviews-summary-text { border-left:none; padding-left:0; padding-top:16px; border-top:1px solid var(--border); }
  .news-spotlight { flex-direction:column; }
  .spotlight-cover { width:100%; }
  .spotlight-cover img { min-height:200px; }
  .news-list-thumb { width:100px; height:72px; }
  .cta-card { padding:28px; }
  .feedback-card { padding:24px; }
  .orbit-window { height:320px; }
  .orbit-slide { width:200px; }
  .orbit-slide img { height:320px; width:100%; }
  .orbit-slide.is-prev { transform:translate(calc(-50% - 130px),-50%) scale(.85); }
  .orbit-slide.is-next { transform:translate(calc(-50% + 130px),-50%) scale(.85); }
  .orbit-arrow.left { left:4px; }
  .orbit-arrow.right { right:4px; }
  .grid-container { padding-left:16px; padding-right:16px; }
}
@media (max-width: 520px) {
  .btn-lg { padding:0 20px; font-size:15px; }
  .download-btns .btn { width:100%; }
  .hero-downloads .btn { min-width:0; }
  .section-title { font-size:20px; }
  .value-card { padding:22px; }
  .spec-card { padding:20px; }
  .review-card { padding:20px; }
  .news-list-thumb { width:90px; height:66px; }
  .accordion-title { padding:18px 48px 18px 16px; font-size:15px; }
  .accordion-title::before { right:16px; }
  .accordion-content { padding-left:16px; }
  .hero-float-badge { display:none; }
  .orbit-arrow { width:36px; height:36px; }
}

/* roulang page: category1 */
:root {
  --primary: #2254E6;
  --primary-hover: #1B47C4;
  --primary-active: #163AA8;
  --accent: #00B8A9;
  --accent-hover: #009E91;
  --gold: #FFB800;
  --bg: #F6F8FC;
  --surface: #FFFFFF;
  --text: #101B33;
  --text-body: #3C4A63;
  --text-muted: #8A93A8;
  --border: #E8EEF6;
  --radius-btn: 12px;
  --radius-card: 16px;
  --radius-large: 20px;
  --shadow-card: 0 2px 8px rgba(16,27,51,.06), 0 4px 20px rgba(16,27,51,.05);
  --shadow-hover: 0 8px 30px rgba(16,27,51,.12);
  --shadow-dock: 0 4px 24px rgba(16,27,51,.08);
  --space-section: 96px;
  --space-section-mobile: 64px;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color .25s ease;
}
a:hover, a:focus {
  color: var(--primary-hover);
}
ul {
  list-style: none;
}
button, input, textarea {
  font-family: inherit;
  font-size: inherit;
}
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 32px;
}
.section {
  padding: var(--space-section) 0;
}
.section-tight {
  padding: 64px 0;
}
.section-head {
  margin-bottom: 48px;
}
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0,184,169,.09);
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: .04em;
  margin-bottom: 14px;
}
.section-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  position: relative;
  padding-left: 16px;
  margin-bottom: 12px;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 8px;
  border-radius: 4px;
  background: var(--primary);
}
.section-sub {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 620px;
}
.text-bold {
  font-weight: 700;
  color: var(--text);
}

/* ===== 顶部浮动 Dock 导航 ===== */
.dock-nav-wrap {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 92%;
  max-width: 1200px;
  z-index: 1000;
  padding: 0 24px;
}
.dock-nav {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 999px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px 0 24px;
  box-shadow: var(--shadow-dock);
  border: 1px solid rgba(232,238,246,.8);
  transition: height .3s ease, box-shadow .3s ease, border-radius .3s ease;
}
.dock-nav-wrap.scrolled .dock-nav {
  height: 60px;
  box-shadow: 0 8px 32px rgba(16,27,51,.12);
}
.dock-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  font-size: 18px;
  white-space: nowrap;
}
.dock-logo:hover {
  color: var(--text);
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(34,84,230,.28);
}
.logo-text {
  letter-spacing: -.01em;
}
.dock-nav-center {
  display: flex;
  align-items: center;
  gap: 6px;
}
.dock-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  padding: 8px 16px;
  border-radius: 999px;
  transition: color .2s, background .2s;
}
.dock-link:hover {
  color: var(--primary);
  background: rgba(34,84,230,.06);
}
.dock-link.active {
  color: var(--primary);
  background: rgba(34,84,230,.1);
  font-weight: 600;
}
.dock-nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.dock-search {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-body);
  font-size: 14px;
  cursor: pointer;
  transition: all .2s;
}
.dock-search:hover {
  background: rgba(34,84,230,.08);
  color: var(--primary);
  border-color: rgba(34,84,230,.3);
}
.btn-dock {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 22px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background .2s, transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn-dock:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(34,84,230,.28);
}
.btn-dock:active {
  background: var(--primary-active);
  transform: translateY(0);
}
.dock-burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 50%;
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}
.dock-burger:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* ===== 移动导航面板 ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 84px;
  left: 4%;
  right: 4%;
  background: var(--surface);
  border-radius: 16px;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
  padding: 12px;
  z-index: 999;
}
.mobile-menu.open {
  display: block;
}
.mobile-menu a {
  display: block;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  border-radius: 10px;
  transition: all .2s;
}
.mobile-menu a:hover {
  background: var(--bg);
  color: var(--primary);
}
.mobile-menu a.active {
  color: var(--primary);
  background: rgba(34,84,230,.08);
  font-weight: 600;
}

/* ===== 分类 Hero ===== */
.cat-hero {
  position: relative;
  padding: 180px 0 80px;
  background: linear-gradient(to right, rgba(16,27,51,.06), rgba(16,27,51,.02)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.cat-hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(246,248,252,.88);
}
.cat-hero .container {
  position: relative;
  z-index: 1;
}
.cat-hero-inner {
  max-width: 720px;
}
.cat-hero .cat-hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,184,169,.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.cat-hero .cat-hero-label i {
  font-size: 12px;
}
.cat-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 16px;
}
.cat-hero h1 .highlight {
  color: var(--primary);
}
.cat-hero-desc {
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 28px;
}
.cat-hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 32px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  border: none;
  cursor: pointer;
  transition: background .25s, transform .25s, box-shadow .25s;
}
.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(34,84,230,.3);
}
.btn-primary:active {
  background: var(--primary-active);
  transform: translateY(0);
  box-shadow: none;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 32px;
  background: var(--surface);
  color: var(--primary);
  font-size: 16px;
  font-weight: 600;
  border: 1px solid rgba(34,84,230,.4);
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all .25s;
}
.btn-secondary:hover {
  background: rgba(34,84,230,.06);
  color: var(--primary-hover);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* ===== 价值卖点 ===== */
.leading-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.leading-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
}
.leading-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(34,84,230,.3);
}
.leading-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(34,84,230,.09);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 20px;
}
.leading-card:nth-child(2) .leading-icon {
  background: rgba(0,184,169,.1);
  color: var(--accent);
}
.leading-card:nth-child(3) .leading-icon {
  background: rgba(255,184,0,.12);
  color: var(--gold);
}
.leading-card:nth-child(4) .leading-icon {
  background: rgba(34,84,230,.06);
  color: var(--primary);
}
.leading-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.leading-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== 资讯网格 ===== */
.news-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.news-section .inner {
  padding: var(--space-section) 0;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .25s, box-shadow .25s, border-color .25s;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(34,84,230,.25);
}
.news-card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.news-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.news-card:hover .news-card-cover img {
  transform: scale(1.04);
}
.news-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255,255,255,.94);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(16,27,51,.12);
}
.news-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
  margin-bottom: 12px;
  transition: color .2s;
}
.news-card:hover .news-card-body h3 {
  color: var(--primary);
}
.news-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}
.news-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.news-card-meta a {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-card-meta a:hover {
  color: var(--accent);
}

/* ===== 分页 ===== */
.pagination-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 52px;
}
.page-link {
  min-width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  transition: all .2s;
}
.page-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(34,84,230,.04);
}
.page-link.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
}

/* ===== 适用场景 ===== */
.scene-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.scene-visual {
  position: relative;
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.scene-visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.scene-visual::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, rgba(16,27,51,.25), transparent);
}
.scene-content .section-label {
  margin-bottom: 16px;
}
.scene-content h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 20px;
}
.scene-content p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-body);
  margin-bottom: 16px;
}
.scene-list {
  margin-top: 24px;
  display: grid;
  gap: 14px;
}
.scene-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.65;
  transition: border-color .2s, box-shadow .2s;
}
.scene-list li:hover {
  border-color: rgba(0,184,169,.4);
  box-shadow: 0 4px 14px rgba(16,27,51,.06);
}
.scene-list li i {
  color: var(--accent);
  font-size: 15px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* ===== 服务流程 ===== */
.steps-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.step-item {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  transition: transform .25s, box-shadow .25s;
}
.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.step-num {
  font-size: 40px;
  font-weight: 800;
  color: rgba(34,84,230,.14);
  line-height: 1;
  margin-bottom: 20px;
}
.step-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.step-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.step-item .step-icon {
  position: absolute;
  top: 32px;
  right: 28px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.step-item:nth-child(2) .step-icon {
  background: var(--accent);
}
.step-item:nth-child(3) .step-icon {
  background: var(--gold);
  color: var(--text);
}
.step-item:nth-child(4) .step-icon {
  background: var(--primary-hover);
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--space-section) 0;
}
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 24px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: background .2s;
}
.faq-question:hover {
  background: rgba(34,84,230,.03);
}
.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform .3s, background .3s, color .3s;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner {
  padding: 0 28px 24px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-body);
}

/* ===== CTA 横幅 ===== */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, #1B47C4 100%);
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: rgba(255,255,255,.06);
  border-radius: 50%;
}
.cta-banner::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: 10%;
  width: 160px;
  height: 160px;
  background: rgba(0,184,169,.18);
  border-radius: 50%;
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 32px;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,.85);
  margin-bottom: 32px;
  max-width: 560px;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 32px;
  background: #fff;
  color: var(--primary);
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all .25s;
}
.btn-white:hover {
  background: rgba(255,255,255,.9);
  color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(16,27,51,.2);
}
.btn-outline-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 32px;
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.7);
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s;
}
.btn-outline-white:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}

/* ===== 页脚 ===== */
.site-footer {
  background: #0E1B33;
  color: #9BA6BF;
  margin-top: 80px;
  padding-top: 64px;
}
.footer-grid {
  padding-bottom: 40px;
}
.footer-brand {
  margin-bottom: 16px;
}
.footer-brand .dock-logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: #9BA6BF;
  margin-top: 14px;
}
.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
}
.footer-links li,
.footer-contact li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #9BA6BF;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s, transform .2s;
}
.footer-links a:hover {
  color: #fff;
  transform: translateX(3px);
}
.footer-contact li {
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  color: var(--accent);
  width: 16px;
  font-size: 13px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 24px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 12px;
  color: #5C698C;
}
.footer-bottom span {
  display: inline-flex;
  align-items: center;
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .dock-nav-center {
    gap: 2px;
  }
  .dock-link {
    padding: 8px 12px;
    font-size: 13px;
  }
  .leading-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-wrap {
    grid-template-columns: repeat(2, 1fr);
  }
  .scene-grid {
    gap: 40px;
  }
}
@media screen and (max-width: 768px) {
  .section {
    padding: var(--space-section-mobile) 0;
  }
  .news-section .inner {
    padding: var(--space-section-mobile) 0;
  }
  .cat-hero {
    padding: 150px 0 60px;
  }
  .cat-hero h1 {
    font-size: 30px;
  }
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .dock-nav-wrap {
    padding: 0 12px;
  }
  .dock-nav {
    border-radius: 16px;
    height: 64px;
    padding: 0 12px 0 16px;
  }
  .dock-nav-wrap.scrolled .dock-nav {
    height: 58px;
  }
  .dock-nav-center {
    display: none;
  }
  .dock-burger {
    display: flex;
  }
  .dock-nav-right {
    gap: 8px;
  }
  .btn-dock {
    padding: 0 16px;
    font-size: 13px;
    height: 38px;
  }
  .dock-search {
    display: none;
  }
  .leading-grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .scene-grid {
    grid-template-columns: 1fr;
  }
  .scene-visual img {
    height: 260px;
  }
  .steps-wrap {
    grid-template-columns: 1fr;
  }
  .cta-banner {
    border-radius: 16px;
    padding: 56px 0;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .cta-buttons .btn-white,
  .cta-buttons .btn-outline-white {
    width: 100%;
    max-width: 320px;
  }
  .faq-question {
    padding: 20px 18px;
    font-size: 15px;
  }
  .faq-answer-inner {
    padding: 0 18px 20px;
  }
  .site-footer {
    margin-top: 60px;
  }
}
@media screen and (max-width: 520px) {
  .dock-logo .logo-text {
    font-size: 16px;
  }
  .cat-hero-actions {
    flex-direction: column;
  }
  .cat-hero-actions .btn-primary,
  .cat-hero-actions .btn-secondary {
    width: 100%;
  }
  .pagination-wrap {
    gap: 4px;
  }
  .page-link {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    font-size: 13px;
  }
  .news-card-body {
    padding: 20px;
  }
}

/* roulang page: article */
:root {
            --primary: #2254E6;
            --primary-dark: #1B47C4;
            --primary-light: rgba(34, 84, 230, .08);
            --secondary: #00B8A9;
            --secondary-light: rgba(0, 184, 169, .1);
            --accent: #FFB800;
            --bg: #F6F8FC;
            --card: #FFFFFF;
            --text-title: #101B33;
            --text-body: #3C4A63;
            --text-muted: #8A93A8;
            --border: #E8EEF6;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-round: 999px;
            --shadow-sm: 0 2px 8px rgba(16, 27, 51, .06);
            --shadow-md: 0 4px 20px rgba(16, 27, 51, .05);
            --shadow-lg: 0 8px 30px rgba(16, 27, 51, .12);
            --font-sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --transition: .25s ease;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color .2s; }
        a:hover { color: var(--primary-dark); }
        button { font-family: var(--font-sans); cursor: pointer; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

        /* ===== 按钮系统 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-sans);
            font-size: 14px;
            font-weight: 600;
            border-radius: 12px;
            height: 48px;
            padding: 0 28px;
            border: none;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(34, 84, 230, .3); }
        .btn-outline { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
        .btn-outline:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
        .btn-dark { background: var(--text-title); color: #fff; }
        .btn-dark:hover { background: #1B2A4A; color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(16, 27, 51, .3); }

        /* ===== 浮动 Dock 导航 ===== */
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: 92%;
            max-width: 1200px;
        }
        .dock-inner {
            height: 72px;
            background: #fff;
            border-radius: var(--radius-round);
            box-shadow: 0 4px 24px rgba(16, 27, 51, .08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px 0 28px;
            transition: height .3s ease, box-shadow .3s ease, border-radius .3s ease;
            border: 1px solid rgba(232, 238, 246, .6);
        }
        .dock-nav.scrolled .dock-inner {
            height: 60px;
            box-shadow: 0 8px 32px rgba(16, 27, 51, .12);
        }
        .dock-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .logo-icon {
            width: 36px; height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            display: flex; align-items: center; justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .logo-text {
            font-weight: 800;
            font-size: 18px;
            color: var(--text-title);
            white-space: nowrap;
            letter-spacing: -.3px;
        }
        .dock-links { display: flex; align-items: center; gap: 2px; }
        .dock-link {
            padding: 8px 18px;
            border-radius: var(--radius-round);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: all .2s;
            white-space: nowrap;
        }
        .dock-link:hover { color: var(--primary); background: var(--primary-light); }
        .dock-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
        .dock-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .dock-btn {
            height: 40px;
            padding: 0 24px;
            border-radius: var(--radius-round);
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .2s;
            text-decoration: none;
            border: none;
        }
        .dock-btn:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(34, 84, 230, .3); }
        .dock-toggle {
            display: none;
            width: 44px; height: 44px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-title);
            font-size: 16px;
            align-items: center;
            justify-content: center;
        }

        /* ===== 面包屑 ===== */
        .article-main { padding-top: 132px; }
        .breadcrumb-wrap { padding: 0 32px; max-width: 1200px; margin: 0 auto; width: 100%; }
        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            padding: 12px 0 20px;
        }
        .breadcrumb a { color: var(--text-muted); transition: color .2s; }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .sep { color: #c6cfde; }
        .breadcrumb .current { color: var(--text-body); max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

        /* ===== 文章卡片 ===== */
        .article-container { padding: 0 32px 48px; max-width: 1200px; margin: 0 auto; }
        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm), var(--shadow-md);
            padding: 52px 56px 44px;
        }
        .article-header { text-align: center; margin-bottom: 36px; }
        .article-header h1 {
            font-size: 36px;
            line-height: 1.3;
            color: var(--text-title);
            font-weight: 800;
            margin: 0 0 20px;
            letter-spacing: -.5px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            color: var(--text-muted);
            font-size: 13px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .article-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }
        .article-cover { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
        .article-cover img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }

        /* ===== 正文阅读区 ===== */
        .article-body { max-width: 720px; margin: 0 auto; font-size: 15px; line-height: 1.9; color: var(--text-body); }
        .article-body p { margin: 0 0 1.5em; }
        .article-body h2 {
            font-size: 24px;
            color: var(--text-title);
            font-weight: 700;
            margin: 40px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }
        .article-body h3 { font-size: 19px; color: var(--text-title); font-weight: 600; margin: 32px 0 12px; line-height: 1.4; }
        .article-body a { color: var(--primary); text-decoration: underline; }
        .article-body a:hover { color: var(--primary-dark); }
        .article-body ul, .article-body ol { margin: 0 0 1.5em; padding-left: 1.5em; }
        .article-body li { margin-bottom: .5em; }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: #F0F4FD;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 28px 0;
            color: var(--text-body);
        }
        .article-body blockquote p:last-child { margin-bottom: 0; }
        .article-body img { border-radius: 12px; margin: 24px auto; }
        .article-body figure { margin: 28px 0; text-align: center; }
        .article-body figcaption { font-size: 12px; color: var(--text-muted); margin-top: 8px; }
        .article-body table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 14px; }
        .article-body th { background: #F1F4FA; font-weight: 600; color: var(--text-title); padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
        .article-body td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
        .article-body tr:last-child td { border-bottom: none; }

        /* 空状态 */
        .article-empty { text-align: center; padding: 60px 20px; }
        .empty-icon { font-size: 48px; color: var(--text-muted); margin-bottom: 16px; }
        .article-empty h2 { font-size: 24px; color: var(--text-title); margin-bottom: 12px; }
        .article-empty p { color: var(--text-muted); margin-bottom: 28px; max-width: 360px; margin-left: auto; margin-right: auto; font-size: 14px; }

        /* ===== 标签 ===== */
        .article-tags {
            max-width: 720px;
            margin: 36px auto 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: var(--radius-round);
        }
        .tag i { font-size: 11px; }

        /* ===== 上一篇 / 下一篇 ===== */
        .article-prev-next {
            max-width: 720px;
            margin: 36px auto 0;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            border-top: 1px solid var(--border);
            padding-top: 28px;
        }
        .article-prev-next a {
            font-size: 14px;
            color: var(--text-body);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color .2s, background .2s;
            border-radius: 10px;
            padding: 10px 16px;
            background: #f9fafc;
            max-width: 48%;
        }
        .article-prev-next a:hover { color: var(--primary); background: var(--primary-light); }
        .article-prev-next .next-link { justify-content: flex-end; text-align: right; margin-left: auto; }

        /* ===== 相关阅读 ===== */
        .related-section { padding: 72px 0; background: var(--bg); }
        .section-header { display: flex; align-items: center; gap: 12px; margin-bottom: 36px; }
        .section-header::before { content: ''; width: 8px; height: 26px; background: var(--primary); border-radius: 4px; flex-shrink: 0; }
        .section-header h2 { font-size: 28px; font-weight: 700; color: var(--text-title); margin: 0; }
        .content-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
            border: 1px solid rgba(232, 238, 246, .6);
        }
        .content-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .content-card .card-cover { aspect-ratio: 16 / 9; overflow: hidden; }
        .content-card .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
        .content-card:hover .card-cover img { transform: scale(1.03); }
        .card-body { padding: 20px 24px 24px; }
        .card-category {
            display: inline-block;
            background: var(--secondary-light);
            color: #009487;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-round);
            margin-bottom: 12px;
        }
        .card-body h3 { font-size: 17px; font-weight: 600; color: var(--text-title); line-height: 1.45; margin: 0 0 8px; }
        .card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.65; margin: 0 0 16px; }
        .card-date { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }

        /* ===== 返回入口 ===== */
        .back-section { padding: 40px 0 0; text-align: center; }
        .back-section .btn { height: 44px; padding: 0 28px; border-radius: var(--radius-round); }

        /* ===== FAQ ===== */
        .faq-section { padding: 72px 0 80px; }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 0 32px;
            border: 1px solid rgba(232, 238, 246, .6);
        }
        .faq-item { border-bottom: 1px solid var(--border); }
        .faq-item:last-child { border-bottom: none; }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 24px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            font-family: var(--font-sans);
            transition: color .2s;
            gap: 16px;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform .3s;
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon { transform: rotate(45deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .3s ease;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.75;
        }
        .faq-item.active .faq-answer { max-height: 400px; padding-bottom: 22px; }

        /* ===== CTA 下载 ===== */
        .cta-section { padding: 0 0 80px; }
        .cta-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 60px 32px;
            box-shadow: var(--shadow-sm), var(--shadow-md);
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
            border: 1px solid rgba(232, 238, 246, .6);
            background-image: linear-gradient(135deg, rgba(34,84,230,.04) 0%, rgba(0,184,169,.04) 100%);
        }
        .cta-card h2 { font-size: 28px; font-weight: 700; color: var(--text-title); margin-bottom: 12px; }
        .cta-card p { color: var(--text-muted); margin-bottom: 32px; font-size: 15px; }
        .cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== 页脚 ===== */
        .site-footer { background: #0E1B33; color: #9BA6BF; padding: 64px 0 0; }
        .footer-grid { padding-bottom: 48px; }
        .footer-brand .dock-logo { color: #fff; margin-bottom: 16px; display: inline-flex; }
        .footer-brand .logo-text { color: #fff; }
        .footer-brand p { font-size: 14px; line-height: 1.7; color: #9BA6BF; max-width: 320px; margin: 0; }
        .footer-title { font-size: 16px; color: #fff; font-weight: 600; margin: 12px 0 20px; }
        .footer-links, .footer-contact { list-style: none; margin: 0; padding: 0; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a { color: #9BA6BF; font-size: 14px; transition: color .2s; background: none; padding: 0; }
        .footer-links a:hover { color: #fff; background: none; }
        .footer-contact li { font-size: 14px; color: #9BA6BF; display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
        .footer-contact i { color: #5C698C; width: 16px; text-align: center; }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: #5C698C;
            flex-wrap: wrap;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-card { padding: 40px; }
            .article-header h1 { font-size: 32px; }
            .container, .article-container, .breadcrumb-wrap { padding-left: 24px; padding-right: 24px; }
        }

        @media (max-width: 768px) {
            .dock-nav { top: 12px; width: 94%; }
            .dock-inner { padding: 0 12px 0 16px; border-radius: 16px; }
            .dock-links {
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                border-radius: 16px;
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                box-shadow: var(--shadow-lg);
                display: none;
                border: 1px solid var(--border);
            }
            .dock-links.open { display: flex; }
            .dock-link { padding: 12px 16px; border-radius: 10px; }
            .dock-toggle { display: inline-flex; align-items: center; justify-content: center; }
            .dock-actions .dock-btn { padding: 0 16px; font-size: 13px; }

            .article-main { padding-top: 96px; }
            .article-card { padding: 28px 20px; }
            .article-header h1 { font-size: 26px; }
            .article-meta { font-size: 12px; gap: 6px; }
            .article-cover img { aspect-ratio: 16 / 9; }
            .article-prev-next { flex-direction: column; }
            .article-prev-next a { max-width: 100%; }
            .related-section { padding: 56px 0; }
            .section-header h2 { font-size: 22px; }
            .faq-section { padding: 56px 0 64px; }
            .faq-list { padding: 0 20px; }
            .faq-question { font-size: 15px; }
            .cta-section { padding-bottom: 64px; }
            .cta-card { padding: 44px 20px; }
            .cta-card h2 { font-size: 22px; }
            .footer-grid { padding-bottom: 32px; }
            .footer-title { margin-top: 24px; }
        }

        @media (max-width: 520px) {
            .container, .article-container, .breadcrumb-wrap { padding-left: 16px; padding-right: 16px; }
            .article-card { padding: 20px 14px; border-radius: var(--radius-md); }
            .article-header h1 { font-size: 23px; }
            .article-body { font-size: 14px; }
            .article-body h2 { font-size: 21px; }
            .cta-buttons .btn { width: 100%; justify-content: center; }
            .breadcrumb { font-size: 12px; flex-wrap: wrap; }
            .breadcrumb .current { max-width: 100%; white-space: normal; }
            .card-body h3 { font-size: 16px; }
            .faq-item:first-child .faq-answer { max-height: 400px; }
        }