/* roulang page: index */
:root {
  --brand: #FF5A1F;
  --brand-dark: #E1440C;
  --brand-light: #FFE7DA;
  --field: #0FB98C;
  --accent: #FFC24B;
  --ink: #14161C;
  --text: #2B2F3A;
  --muted: #5A6070;
  --placeholder: #8A90A0;
  --line: #ECEDF1;
  --soft: #F6F7F9;
  --bg: #FFF9F5;
  --white: #FFFFFF;
  --dark: #17181E;
  --dark-2: #1F2129;
  --grad: linear-gradient(135deg, #FF7A18, #FF4D2D 55%, #FFB020);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-soft: 0 2px 6px rgba(20, 22, 28, .04), 0 14px 34px rgba(255, 90, 31, .10);
  --shadow-hover: 0 6px 16px rgba(20, 22, 28, .07), 0 22px 46px rgba(255, 90, 31, .16);
  --nav-h: 72px;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  padding-bottom: calc(64px + env(safe-area-inset-bottom));
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .18s ease, background-color .18s ease, border-color .18s ease; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, p, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
strong { font-weight: 700; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 6px;
}

::selection { background: var(--brand-light); color: var(--brand-dark); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--soft); }
::-webkit-scrollbar-thumb { background: #D9DCE3; border-radius: 999px; border: 2px solid var(--soft); }
::-webkit-scrollbar-thumb:hover { background: #C2C7D1; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section { padding: 60px 0; position: relative; }
.section-alt { background: var(--soft); }
.section-white { background: var(--white); }

.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-title {
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.4px;
}
.section-sub {
  margin-top: 14px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .2px;
}
.eyebrow i { font-size: 12px; }
.eyebrow-field { background: rgba(15, 185, 140, .12); color: #0A8C69; }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.6;
}
.tag-field { background: rgba(15, 185, 140, .12); color: #0A8C69; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--brand-dark);
}
.link-arrow i { transition: transform .18s ease; font-size: 13px; }
.link-arrow:hover { color: var(--brand); }
.link-arrow:hover i { transform: translateX(4px); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1;
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 24px rgba(255, 90, 31, .30);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 32px rgba(255, 90, 31, .38); color: #fff; }
.btn-primary:active { transform: translateY(1px); box-shadow: 0 8px 18px rgba(255, 90, 31, .30); }
.btn-outline {
  background: #fff;
  border-color: var(--brand);
  color: var(--brand-dark);
}
.btn-outline:hover { background: var(--brand-light); border-color: var(--brand-dark); }
.btn-outline:active { transform: translateY(1px); }
.btn-ghost {
  background: transparent;
  color: var(--brand-dark);
  padding: 14px 6px;
}
.btn-ghost i { font-size: 13px; transition: transform .18s ease; }
.btn-ghost:hover i { transform: translateX(4px); }
.btn-sm { padding: 11px 22px; font-size: 14.5px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .97);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 22px rgba(20, 22, 28, .07);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: var(--nav-h);
}
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--grad);
  color: #fff;
  font-size: 19px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 18px rgba(255, 90, 31, .28);
}
.logo-text {
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: .4px;
}
.logo-sub {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--placeholder);
  letter-spacing: 1.4px;
  line-height: 1;
  margin-top: 3px;
  text-transform: uppercase;
}
.nav-links { display: none; align-items: center; gap: 32px; }
.nav-link {
  position: relative;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--text);
  padding: 6px 2px;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}
.nav-link:hover { color: var(--brand-dark); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.is-active {
  color: var(--brand-dark);
  background: var(--brand-light);
  padding: 8px 16px;
  border-radius: 999px;
}
.nav-link.is-active::after { display: none; }
.nav-cta { display: none; }

/* ---------- Mobile Tabbar ---------- */
.mobile-tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 70;
  display: flex;
  background: rgba(255, 255, 255, .98);
  border-top: 1px solid var(--line);
  box-shadow: 0 -6px 20px rgba(20, 22, 28, .07);
  padding-bottom: env(safe-area-inset-bottom);
}
.tab-item {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 64px;
  font-size: 11.5px;
  color: var(--placeholder);
}
.tab-item i { font-size: 19px; }
.tab-item.is-active { color: var(--brand); }
.tab-item.is-active::before {
  content: "";
  position: absolute;
  top: 5px;
  width: 18px;
  height: 3px;
  border-radius: 999px;
  background: var(--grad);
}

/* ---------- Sticky CTA (mobile) ---------- */
.sticky-cta {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(74px + env(safe-area-inset-bottom));
  z-index: 65;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 9px 9px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(20, 22, 28, .14);
  transform: translateY(150%);
  opacity: 0;
  transition: transform .3s ease, opacity .3s ease;
}
.sticky-cta.is-visible { transform: translateY(0); opacity: 1; }
.sticky-cta-info { display: flex; align-items: center; gap: 10px; min-width: 0; }
.sticky-cta-info i {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: var(--brand-light);
  color: var(--brand-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex: none;
}
.sticky-cta-info b { display: block; font-size: 14px; color: var(--ink); line-height: 1.3; }
.sticky-cta-info span { display: block; font-size: 11.5px; color: var(--placeholder); line-height: 1.3; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 122px 0 56px;
  background:
    radial-gradient(900px 420px at 88% -6%, rgba(255, 194, 75, .30), transparent 65%),
    radial-gradient(720px 400px at 4% 6%, rgba(255, 90, 31, .16), transparent 70%),
    linear-gradient(180deg, #FFF9F5 0%, #FFF9F5 62%, #FFFFFF 100%);
}
.hero::after {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -46px;
  height: 110px;
  background: linear-gradient(180deg, rgba(255, 231, 218, .55), rgba(255, 231, 218, 0));
  transform: skewY(-2.2deg);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: center;
}
.hero-copy h1 {
  margin-top: 20px;
  font-size: clamp(30px, 4.5vw, 50px);
  line-height: 1.15;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -1px;
}
.hero-copy h1 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  margin-top: 18px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 520px;
}
.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}
.stat-row {
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.stat-item strong {
  display: block;
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.2;
  font-weight: 800;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.stat-item strong .unit { font-size: 14px; font-weight: 600; color: var(--muted); margin-left: 3px; }
.stat-item span { display: block; margin-top: 4px; font-size: 13px; color: var(--placeholder); }
.stat-item:nth-child(odd) strong { color: var(--brand-dark); }
.stat-item:nth-child(even) strong { color: #0A8C69; }

.hero-media { position: relative; }
.hero-media > img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 52px rgba(20, 22, 28, .16);
}
.float-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}
.float-badge i {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex: none;
}
.float-badge b { display: block; font-size: 15px; color: var(--ink); line-height: 1.35; font-variant-numeric: tabular-nums; }
.float-badge span { display: block; font-size: 12px; color: var(--placeholder); line-height: 1.4; }
.fb-1 { left: 10px; bottom: 14px; }
.fb-1 i { background: rgba(15, 185, 140, .12); color: #0A8C69; }
.fb-2 { right: 10px; top: 16px; }
.fb-2 i { background: var(--brand-light); color: var(--brand-dark); }

/* ---------- Category cards ---------- */
.cat-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.cat-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--brand-light); }
.cat-thumb { aspect-ratio: 16 / 10; overflow: hidden; background: var(--soft); }
.cat-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.cat-card:hover .cat-thumb img { transform: scale(1.04); }
.cat-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.cat-body h3 { font-size: 20px; font-weight: 700; color: var(--ink); line-height: 1.4; }
.cat-body p { font-size: 15px; color: var(--muted); line-height: 1.8; }
.cat-body .link-arrow { margin-top: auto; padding-top: 6px; }

/* ---------- Feature 1+2 ---------- */
.feature-grid { display: grid; grid-template-columns: 1fr; gap: 22px; }
.feature-main {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}
.feature-main::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 194, 75, .30), transparent 68%);
}
.num {
  display: inline-block;
  font-size: 38px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1px;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
  opacity: .9;
}
.feature-main h3 { margin-top: 16px; font-size: 22px; font-weight: 700; color: var(--ink); line-height: 1.4; }
.feature-main p { margin-top: 12px; font-size: 15.5px; color: var(--muted); line-height: 1.85; }
.feature-main .link-arrow { margin-top: 20px; }
.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--brand-light);
  color: var(--brand-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.feature-small {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
}
.feature-small:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.feature-small h3 { margin-top: 14px; font-size: 18.5px; font-weight: 700; color: var(--ink); line-height: 1.45; }
.feature-small p { margin-top: 8px; font-size: 14.5px; color: var(--muted); line-height: 1.8; }
.feature-small .num { font-size: 26px; color: var(--placeholder); }
.feature-small:nth-child(3) .feature-icon { background: rgba(15, 185, 140, .12); color: #0A8C69; }

/* ---------- Zigzag ---------- */
.zig { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center; }
.zig + .zig { margin-top: 60px; }
.zig-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 40px rgba(20, 22, 28, .13);
}
.zig-body h2 {
  margin-top: 16px;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.35;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.3px;
}
.check-list { margin-top: 20px; display: grid; gap: 12px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15.5px;
  color: var(--text);
  line-height: 1.75;
}
.check-list i {
  margin-top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(15, 185, 140, .14);
  color: #0A8C69;
  font-size: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.zig-body .link-arrow { margin-top: 22px; }

/* ---------- Social proof ---------- */
.logo-wall { display: flex; flex-wrap: wrap; gap: 12px; }
.logo-chip {
  padding: 13px 20px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14.5px;
  color: var(--placeholder);
  transition: transform .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.logo-chip:hover {
  transform: translateY(-2px);
  color: var(--brand-dark);
  border-color: var(--brand-light);
  box-shadow: 0 10px 22px rgba(255, 90, 31, .12);
}
.quote-grid { display: grid; grid-template-columns: 1fr; gap: 22px; align-items: start; }
.quote-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-soft);
}
.quote-card p { font-size: 15.5px; color: var(--text); line-height: 1.85; }
.quote-person { display: flex; align-items: center; gap: 12px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.quote-avatar {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex: none;
}
.quote-person b { display: block; font-size: 15px; color: var(--ink); line-height: 1.4; }
.quote-person span { display: block; font-size: 12.5px; color: var(--placeholder); line-height: 1.5; }
.summary-band {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  padding: 26px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.summary-item strong {
  display: block;
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  color: var(--brand-dark);
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}
.summary-item:nth-child(2) strong { color: #0A8C69; }
.summary-item:nth-child(3) strong { color: var(--ink); }
.summary-item span { display: block; margin-top: 6px; font-size: 13.5px; color: var(--placeholder); }

/* ---------- CMS posts ---------- */
.post-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.post-note { font-size: 13.5px; color: var(--placeholder); }
.post-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.post-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform .22s ease, box-shadow .22s ease;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.post-thumb { aspect-ratio: 16 / 10; overflow: hidden; background: var(--soft); }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.post-card:hover .post-thumb img { transform: scale(1.04); }
.post-body { padding: 20px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card:hover .post-title { color: var(--brand-dark); }
.post-excerpt {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.78;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-meta {
  margin-top: auto;
  padding-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--placeholder);
}
.post-meta time { font-variant-numeric: tabular-nums; }
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 56px 24px;
  border: 1px dashed #DDE0E7;
  border-radius: var(--radius-lg);
  background: #fff;
}
.empty-state i { font-size: 42px; color: rgba(255, 90, 31, .32); }
.empty-state p { margin-top: 14px; font-size: 14.5px; color: var(--muted); }
.empty-state .btn { margin-top: 20px; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 880px; margin: 0 auto; }
.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  background: none;
  border: 0;
  text-align: left;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: color .18s ease;
}
.faq-q:hover { color: var(--brand-dark); }
.faq-q i {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .22s ease, background-color .22s ease, color .22s ease;
}
.faq-item.is-open .faq-q { color: var(--brand-dark); }
.faq-item.is-open .faq-q i { transform: rotate(180deg); background: var(--grad); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .26s ease; }
.faq-item.is-open .faq-a { max-height: 360px; }
.faq-a p { padding: 0 44px 20px 0; font-size: 15.5px; color: var(--muted); line-height: 1.85; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--dark);
  color: #fff;
  padding: 64px 0;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  opacity: .24;
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(680px 320px at 10% 0%, rgba(255, 90, 31, .55), transparent 68%),
    radial-gradient(520px 300px at 92% 100%, rgba(15, 185, 140, .28), transparent 70%);
}
.cta-inner { position: relative; z-index: 2; display: grid; gap: 28px; }
.cta-inner h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.3;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.4px;
}
.cta-inner p { margin-top: 14px; font-size: 16px; line-height: 1.85; color: rgba(255, 255, 255, .74); max-width: 560px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.cta-actions .btn-outline { background: transparent; border-color: rgba(255, 255, 255, .62); color: #fff; }
.cta-actions .btn-outline:hover { background: rgba(255, 255, 255, .12); border-color: #fff; color: #fff; }
.cta-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 22px; font-size: 13.5px; color: rgba(255, 255, 255, .62); }
.cta-meta span { display: inline-flex; align-items: center; gap: 8px; }
.cta-meta i { color: var(--accent); font-size: 12px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, .72); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 34px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-sub { color: rgba(255, 255, 255, .42); }
.footer-desc { margin-top: 16px; font-size: 14.5px; line-height: 1.85; color: rgba(255, 255, 255, .62); max-width: 320px; }
.footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-list { display: grid; gap: 12px; }
.footer-list a { font-size: 14.5px; color: rgba(255, 255, 255, .68); }
.footer-list a:hover { color: var(--brand); transform: translateX(-3px); display: inline-block; }
.footer-contact { display: grid; gap: 12px; font-size: 14.5px; color: rgba(255, 255, 255, .68); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; }
.footer-contact i { color: var(--brand); font-size: 13px; margin-top: 6px; }
.footer-bottom {
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, .48);
}

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
  .container { padding: 0 24px; }
  .section { padding: 72px 0; }
  .hero { padding: 132px 0 72px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-grid { grid-template-columns: repeat(2, 1fr); }
  .post-grid { grid-template-columns: repeat(2, 1fr); }
  .summary-band { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stat-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .section { padding: 88px 0; }
  .section-head { margin-bottom: 48px; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-main { grid-column: span 2; grid-row: span 2; padding: 36px; display: flex; flex-direction: column; justify-content: center; }
  .zig { grid-template-columns: 1fr 1fr; gap: 56px; }
  .zig + .zig { margin-top: 84px; }
  .zig-reverse .zig-media { order: 2; }
  .quote-grid { grid-template-columns: repeat(3, 1fr); }
  .quote-card:nth-child(2) { margin-top: 26px; }
  .quote-card:nth-child(3) { margin-top: 52px; }
  .post-grid { grid-template-columns: repeat(3, 1fr); }
  .cta-inner { grid-template-columns: 1.15fr .85fr; align-items: center; gap: 44px; }
  .cta-actions { justify-content: flex-end; }
}

@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .mobile-tabbar { display: none; }
  .sticky-cta { display: none; }
  body { padding-bottom: 0; }
  .hero { padding: 156px 0 88px; }
  .hero-grid { grid-template-columns: 55% 45%; gap: 56px; }
  .hero-media { padding-left: 8px; }
  .fb-1 { left: -22px; bottom: 28px; }
  .fb-2 { right: -18px; top: 32px; }
  .cta-band { padding: 76px 0; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
}

@media (min-width: 1280px) {
  .container { padding: 0 32px; }
}

/* roulang page: article */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E1440C;
  --brand-light:#FFE7DA;
  --court:#0FB98C;
  --sunny:#FFC24B;
  --ink:#14161C;
  --text:#2B2F3A;
  --muted:#5A6070;
  --placeholder:#8A90A0;
  --line:#ECEDF1;
  --bg:#FFF9F5;
  --panel:#F6F7F9;
  --white:#FFFFFF;
  --dark:#17181E;
  --dark-2:#1F2129;
  --grad:linear-gradient(135deg,#FF7A18,#FF4D2D 55%,#FFB020);
  --radius-xl:24px;
  --radius-lg:22px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 2px 6px rgba(20,22,28,.04), 0 14px 34px rgba(255,90,31,.10);
  --shadow-sm:0 2px 6px rgba(20,22,28,.05);
  --shadow-dark:0 18px 40px rgba(0,0,0,.35);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  --tab-h:64px;
}
.page-body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
.page-body h1,.page-body h2,.page-body h3,.page-body h4,.page-body p,.page-body ul,.page-body ol,.page-body figure{margin:0}
.page-body ul,.page-body ol{list-style:none;padding:0}
.page-body img{max-width:100%;display:block}
.page-body a{color:inherit;text-decoration:none}
.page-body button{font-family:inherit}
.page-body .num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{padding:0 32px}}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px rgba(20,22,28,.06);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{
  width:40px;height:40px;border-radius:14px;
  background-image:var(--grad);
  color:#fff;font-size:19px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(255,90,31,.28);
  flex:0 0 auto;
}
.logo-text{display:block;font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.4px;line-height:1.2}
.logo-sub{display:block;font-size:10px;letter-spacing:2px;color:var(--placeholder);line-height:1.4}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:6px 2px;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background-image:var(--grad);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600;background:var(--brand-light);padding:8px 14px;border-radius:999px}
.nav-link.is-active::after{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:15px 28px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(255,90,31,.36);color:#fff}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,90,31,.3)}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark)}
.btn-outline:active{transform:translateY(1px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--brand-light);color:var(--brand-dark)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(4px)}
@media (max-width:960px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-inner{height:64px}
}

/* ---------- breadcrumb + article hero ---------- */
.article-hero{
  position:relative;
  background:linear-gradient(180deg,#FFF1E6 0%,#FFF9F5 100%);
  padding:26px 0 40px;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,90,31,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,90,31,.05) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 75%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 75%);
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--placeholder)}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:280px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;
}
.article-title{
  margin:16px 0 0;
  font-size:clamp(26px,4vw,38px);
  line-height:1.28;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.3px;
  max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:20px;font-size:13.5px;color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{color:var(--brand);font-size:13px}
.meta-dot{width:5px;height:5px;border-radius:50%;background:#D9DBE3}

/* ---------- layout ---------- */
.article-section{padding:44px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:46px;align-items:start}
}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--shadow-sm);padding:26px 22px;
}
@media (min-width:768px){.article-card{padding:40px 44px}}
.rich{font-size:17px;line-height:1.9;color:var(--text);word-break:break-word}
.rich p{margin:0 0 1.2em}
.rich h2{
  position:relative;font-size:24px;line-height:1.4;font-weight:700;color:var(--ink);
  margin:46px 0 16px;padding-left:16px;scroll-margin-top:96px;
}
.rich h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;
  background-image:var(--grad);
}
.rich h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--ink);margin:30px 0 12px;scroll-margin-top:96px}
.rich h4{font-size:17px;font-weight:600;color:var(--ink);margin:22px 0 10px}
.rich ul,.rich ol{margin:0 0 1.2em;padding-left:1.4em}
.rich ul{list-style:disc}
.rich ol{list-style:decimal}
.rich li{margin:0 0 8px}
.rich ul li::marker{color:var(--brand)}
.rich ol li::marker{color:var(--brand);font-weight:600}
.rich blockquote{
  background:var(--brand-light);border-left:4px solid var(--brand);
  border-radius:0 16px 16px 0;padding:16px 22px;margin:24px 0;color:#7A3A21;
}
.rich blockquote p:last-child{margin-bottom:0}
.rich img{border-radius:16px;margin:24px auto;height:auto}
.rich figure{margin:24px 0}
.rich figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.rich a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.rich a:hover{color:var(--brand-dark)}
.rich strong{color:var(--ink);font-weight:700}
.rich table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;margin:24px 0;border-radius:14px;
}
.rich th,.rich td{border:1px solid var(--line);padding:10px 14px;font-size:15px;text-align:left;white-space:nowrap}
.rich th{background:var(--panel);font-weight:600;color:var(--ink)}
.rich code{background:var(--panel);border-radius:6px;padding:2px 6px;font-size:15px}
.rich hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.tag-chip{
  font-size:13px;color:var(--muted);background:var(--panel);
  padding:6px 14px;border-radius:999px;border:1px solid var(--line);
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.tag-chip:hover{color:var(--brand-dark);background:var(--brand-light);border-color:var(--brand-light)}
.article-foot{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  margin-top:28px;
}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  text-align:center;padding:64px 20px;
}
.empty-state i{font-size:48px;color:rgba(255,90,31,.3)}
.empty-state p{font-size:15px;color:var(--muted)}

/* ---------- sidebar ---------- */
.side-col{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){
  .side-col{position:sticky;top:96px}
}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:22px;
}
.side-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title i{color:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line);padding-left:0}
.toc-list a{
  display:block;font-size:14px;color:var(--muted);padding:7px 0 7px 14px;
  border-left:2px solid transparent;margin-left:-2px;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.toc-list a:hover,.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);background:linear-gradient(90deg,var(--brand-light),transparent)}
.side-cta{
  background:linear-gradient(160deg,#FFF3EA,#FFFFFF 60%);
  border-color:#FFE1D1;
}
.side-cta h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px}
.side-cta p{font-size:14px;color:var(--muted);margin-bottom:16px;line-height:1.75}
.side-note{display:block;text-align:center;font-size:12.5px;color:var(--placeholder);margin-top:10px}
.side-links{display:flex;flex-direction:column;gap:12px}
.side-link{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:var(--text);line-height:1.6;
  transition:color .18s ease;
}
.side-link:hover{color:var(--brand)}
.side-link .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;background:var(--brand-light);
  color:var(--brand-dark);font-size:11px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
}

/* ---------- prev/next ---------- */
.pager{display:grid;gap:16px;margin-top:26px}
@media (min-width:768px){.pager{grid-template-columns:repeat(2,minmax(0,1fr))}}
.pager-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pager-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#FFE1D1}
.pager-label{font-size:12.5px;color:var(--placeholder);margin-bottom:6px;display:flex;align-items:center;gap:6px}
.pager-label i{color:var(--brand)}
.pager-text{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.55}
.pager-item.is-empty{background:var(--panel);border-style:dashed;justify-content:center}
.pager-item.is-empty .pager-text{color:var(--placeholder);font-weight:500}
.pager-item.is-next{text-align:right}
.pager-item.is-next .pager-label{justify-content:flex-end}

/* ---------- related ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{margin-bottom:32px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-light);padding:6px 14px;border-radius:999px;
}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--ink);margin-top:14px;line-height:1.35}
.section-sub{font-size:15px;color:var(--muted);margin-top:10px;max-width:640px}
.card-grid{display:grid;gap:24px;grid-template-columns:minmax(0,1fr)}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#FFE1D1}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--panel)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-tag{align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--brand-dark);background:var(--brand-light);padding:4px 12px;border-radius:999px}
.post-title{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease}
.post-card:hover .post-title{color:var(--brand)}
.post-desc{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--placeholder)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);border-radius:var(--radius-xl);
  padding:44px 26px;
}
.cta-band::before{
  content:"";position:absolute;inset:auto auto -60% -10%;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.45),transparent 68%);
}
.cta-band::after{
  content:"";position:absolute;top:-40%;right:-10%;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,185,140,.32),transparent 70%);
}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:26px}
@media (min-width:960px){
  .cta-band{padding:56px 56px}
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px}
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;line-height:1.35}
.cta-band p{font-size:15px;color:rgba(255,255,255,.72);margin-top:10px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media (max-width:640px){.cta-actions .btn{width:100%}}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:72px;padding:56px 0 24px}
.footer-grid{display:grid;gap:34px;grid-template-columns:minmax(0,1fr)}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.site-footer .logo-text{color:#fff}
.site-footer .logo-sub{color:rgba(255,255,255,.45)}
.footer-desc{font-size:14px;line-height:1.85;margin-top:16px;max-width:320px;color:rgba(255,255,255,.62)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-list,.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-list a,.footer-contact li{
  font-size:14px;color:rgba(255,255,255,.68);transition:color .18s ease,transform .18s ease;
  display:inline-flex;align-items:center;gap:9px;
}
.footer-list a:hover{color:var(--brand);transform:translateX(-3px)}
.footer-contact i{color:var(--brand);font-size:13px}
.footer-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- mobile tab + sticky cta ---------- */
.tabbar{display:none}
.mobile-cta{display:none}
@media (max-width:960px){
  .page-body{padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom) + 18px)}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:calc(var(--tab-h) + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(255,255,255,.98);border-top:1px solid var(--line);
    box-shadow:0 -6px 20px rgba(20,22,28,.07);
  }
  .tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    font-size:11.5px;color:var(--placeholder);position:relative;
    transition:color .18s ease;
  }
  .tab-item i{font-size:20px;line-height:1}
  .tab-item::before{
    content:"";position:absolute;top:6px;width:18px;height:3px;border-radius:3px;
    background-image:var(--grad);opacity:0;transition:opacity .2s ease;
  }
  .tab-item.is-active{color:var(--brand);font-weight:600}
  .tab-item.is-active::before{opacity:1}
  .mobile-cta{
    position:fixed;left:12px;right:12px;z-index:65;
    bottom:calc(var(--tab-h) + env(safe-area-inset-bottom) + 12px);
    display:flex;align-items:center;gap:12px;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    box-shadow:0 14px 30px rgba(20,22,28,.16);
    padding:8px 8px 8px 18px;
    opacity:0;transform:translateY(16px);pointer-events:none;
    transition:opacity .28s ease,transform .28s ease;
  }
  .mobile-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
  .mobile-cta .call{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);flex:1}
  .mobile-cta .call i{color:var(--brand)}
  .mobile-cta .btn{flex:0 0 auto}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* roulang page: category1 */
:root{
  --primary:#FF5A1F;
  --primary-dark:#E1440C;
  --primary-light:#FFE7DA;
  --green:#0FB98C;
  --green-soft:rgba(15,185,140,.12);
  --yellow:#FFC24B;
  --ink:#14161C;
  --text:#2B2F3A;
  --muted:#5A6070;
  --placeholder:#8A90A0;
  --line:#ECEDF1;
  --soft:#F6F7F9;
  --bg:#FFF9F5;
  --dark:#17181E;
  --dark-2:#1F2129;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 2px 6px rgba(20,22,28,.04),0 14px 34px rgba(255,90,31,.10);
  --shadow-hover:0 8px 16px rgba(20,22,28,.05),0 22px 46px rgba(255,90,31,.18);
  --grad:linear-gradient(135deg,#FF7A18,#FF4D2D 55%,#FFB020);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;font-weight:700}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--primary-light);color:var(--primary-dark)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-solid{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(20,22,28,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:70px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{
  width:38px;height:38px;border-radius:13px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:800;
  box-shadow:0 8px 18px rgba(255,90,31,.28);flex:none;
}
.logo-text{display:block;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.4px;line-height:1.2}
.logo-sub{display:block;font-size:10px;font-weight:600;letter-spacing:.18em;color:var(--placeholder);line-height:1.3}
.nav-links{display:none;align-items:center;gap:4px}
.nav-link{position:relative;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text);transition:color .2s ease,background .2s ease}
.nav-link:hover{color:var(--primary);background:rgba(255,90,31,.07)}
.nav-link.is-active{color:var(--primary);background:var(--primary-light);font-weight:600}
.nav-cta{display:none}
@media(min-width:768px){.nav-cta{display:inline-flex}}
@media(min-width:1024px){.nav-links{display:flex}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(255,90,31,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,31,.3)}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn-ghost{color:var(--primary);padding:8px 4px;font-weight:600}
.btn-ghost i{transition:transform .2s ease}
.btn-ghost:hover i{transform:translateX(4px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn-on-dark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);color:#fff}
.btn-on-dark:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}

/* ============ 通用排版 ============ */
.section{padding:56px 0}
.section-soft{background:var(--soft)}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{max-width:720px;margin-bottom:32px}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--primary)}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:999px;background:var(--grad)}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:700;margin-top:12px;letter-spacing:-.01em}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px}
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid rgba(255,90,31,.3);color:var(--primary-dark);
  font-size:13px;font-weight:600;line-height:1.5;
}
.badge-green{background:var(--green-soft);border-color:rgba(15,185,140,.35);color:#0B8A69}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative;overflow:hidden;padding:106px 0 56px;background:linear-gradient(160deg,#FFE7DA 0%,#FFF3EB 40%,#FFF9F5 100%)}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(255,90,31,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(255,90,31,.10) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
}
.cat-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,178,32,.35),transparent 68%);pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2}
.cat-hero-grid{display:grid;gap:32px;align-items:center}
@media(min-width:1024px){.cat-hero{padding:132px 0 76px}.cat-hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
.cat-hero h1{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.18;letter-spacing:-.015em;margin-top:18px}
.cat-hero-sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:520px}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text);font-weight:500}
.hero-points i{color:var(--green);font-size:13px}
.cat-hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:6px solid #fff;box-shadow:0 20px 50px rgba(20,22,28,.14);aspect-ratio:4/3}
.cat-hero-media img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;left:16px;bottom:16px;background:#fff;border-radius:var(--radius-md);
  padding:12px 16px;box-shadow:var(--shadow-card);display:flex;align-items:center;gap:12px;
}
.hero-float .num{font-size:24px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1}
.hero-float .num span{font-size:13px;color:var(--muted);font-weight:600;margin-left:2px}
.hero-float .txt{font-size:12.5px;color:var(--muted);line-height:1.5}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13.5px;color:var(--muted)}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C9CCD4}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ============ 勾选列表 ============ */
.check-list{display:grid;gap:12px;margin:22px 0 24px}
.check-list li{position:relative;padding-left:30px;font-size:15.5px;color:var(--text)}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;
  position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:999px;
  background:var(--green-soft);color:var(--green);display:grid;place-items:center;
}

/* ============ 图表卡 ============ */
.chart-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-card)}
.chart-title{font-size:17px;font-weight:700;margin-top:24px;margin-bottom:6px}
.chart-note{font-size:13px;color:var(--placeholder);margin-bottom:14px}
.meter{margin-top:16px}
.meter-row{display:flex;align-items:baseline;justify-content:space-between;font-size:13.5px;color:var(--muted);margin-bottom:7px}
.meter-row b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;font-size:14px}
.meter-track{height:10px;border-radius:999px;background:#F1F2F5;overflow:hidden}
.meter-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#0FB98C,#4BDCB2);width:0;transition:width 1s ease}
.meter-fill.is-orange{background:linear-gradient(90deg,#FF7A18,#FFB020)}
.stat-badge{border-radius:var(--radius-md);padding:14px 16px;border:1px solid var(--line);background:#fff}
.stat-badge.is-orange{background:var(--primary-light);border-color:rgba(255,90,31,.22)}
.stat-badge.is-green{background:var(--green-soft);border-color:rgba(15,185,140,.28)}
.stat-num{font-size:clamp(26px,3vw,32px);font-weight:800;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.stat-num .unit{font-size:14px;font-weight:600;color:var(--muted);margin-left:2px}
.stat-label{font-size:13px;color:var(--muted);margin-top:8px}

/* ============ 要点小卡 ============ */
.point-grid{display:grid;gap:20px;margin-top:32px}
@media(min-width:640px){.point-grid{grid-template-columns:repeat(2,1fr)}}
.point-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;transition:transform .22s ease,box-shadow .22s ease}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.point-icon{width:46px;height:46px;border-radius:14px;background:var(--primary-light);color:var(--primary);display:grid;place-items:center;font-size:19px}
.point-card h3{font-size:18px;font-weight:700;margin-top:16px}
.point-card p{margin-top:8px;font-size:14.5px;color:var(--muted)}

/* ============ 班型列表 ============ */
.class-list{display:grid;gap:14px;margin-top:32px}
.class-row{
  display:grid;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:20px 22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.class-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);border-color:rgba(255,90,31,.28)}
@media(min-width:768px){.class-row{grid-template-columns:200px 1fr auto;gap:24px;padding:22px 26px}}
.class-name{font-size:18px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px}
.class-name .dot{width:10px;height:10px;border-radius:999px;background:var(--grad);flex:none}
.class-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;background:var(--soft);color:var(--muted);font-size:12.5px;font-weight:600}
.tag.is-green{background:var(--green-soft);color:#0B8A69}
.class-desc{font-size:14.5px;color:var(--muted)}

/* ============ 评价 ============ */
.review-grid{display:grid;gap:20px;margin-top:36px}
@media(min-width:768px){.review-grid{grid-template-columns:repeat(3,1fr);align-items:start}}
.review-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 2px 6px rgba(20,22,28,.03)}
.review-card.is-offset{margin-top:28px}
.review-quote{font-size:15px;color:var(--text);line-height:1.85}
.review-quote::before{content:"\201C";font-size:28px;color:var(--primary-light);line-height:0;vertical-align:-8px;margin-right:2px}
.review-who{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.review-avatar{width:38px;height:38px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);display:grid;place-items:center;font-weight:700;font-size:15px;flex:none}
.review-name{font-size:14px;font-weight:700;color:var(--ink)}
.review-role{font-size:12.5px;color:var(--placeholder)}
.evidence-strip{display:grid;gap:16px;margin-top:32px;padding:24px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line)}
@media(min-width:640px){.evidence-strip{grid-template-columns:repeat(2,1fr)}}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:32px auto 0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 2px;min-height:64px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);transition:color .2s ease}
.faq-q:hover{color:var(--primary)}
.faq-q i{color:var(--primary);font-size:14px;transition:transform .22s ease;flex:none}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 2px 22px;font-size:15.5px;color:var(--muted);line-height:1.85}

/* ============ 站内互链 ============ */
.link-grid{display:grid;gap:18px;margin-top:32px}
@media(min-width:768px){.link-grid{grid-template-columns:repeat(2,1fr)}}
.link-card{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;transition:transform .2s ease,box-shadow .2s ease}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.link-card img{width:104px;height:78px;border-radius:14px;object-fit:cover;flex:none}
.link-card h3{font-size:17px;font-weight:700}
.link-card p{font-size:13.5px;color:var(--muted);margin-top:6px}
.link-card .go{margin-left:auto;color:var(--primary);font-size:14px;flex:none}

/* ============ 深色 CTA ============ */
.cta-band{position:relative;background:var(--dark);overflow:hidden;padding:64px 0}
.cta-band::before{
  content:"";position:absolute;left:-10%;top:-60%;width:70%;height:220%;
  background:radial-gradient(circle at 30% 40%,rgba(255,122,24,.28),transparent 62%);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;right:-8%;bottom:-70%;width:56%;height:200%;
  background:radial-gradient(circle at 70% 60%,rgba(15,185,140,.22),transparent 62%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;gap:26px;align-items:center;text-align:center}
@media(min-width:1024px){.cta-band{padding:80px 0}.cta-inner{grid-template-columns:1.4fr auto;text-align:left;gap:40px}}
.cta-inner h2{color:#fff;font-size:clamp(23px,2.8vw,34px);font-weight:700}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15.5px;margin-top:14px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
@media(min-width:1024px){.cta-actions{justify-content:flex-end}}
@media(max-width:767px){.cta-actions .btn{width:100%}}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#A9AEBB;padding:56px 0 0;font-size:14.5px}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px}}
.site-footer .logo-text{color:#fff}
.site-footer .logo-sub{color:rgba(255,255,255,.45)}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:330px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-list li{margin-bottom:12px}
.footer-list a{color:rgba(255,255,255,.62);font-size:14px;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-list a:hover{color:var(--primary);transform:translateX(3px)}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.7}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px;flex:none}
.footer-bottom{
  margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.42);
}

/* ============ 移动端底部 Tab ============ */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;background:#fff;
  border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(20,22,28,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:64px;font-size:11.5px;color:var(--placeholder);transition:color .2s ease}
.tab-item i{font-size:20px;position:relative}
.tab-item.is-active{color:var(--primary);font-weight:700}
.tab-item.is-active i::before{position:relative}
.tab-item.is-active::before{content:"";position:absolute;top:5px;width:16px;height:3px;border-radius:999px;background:var(--primary)}
.tab-item{position:relative}
@media(min-width:1024px){.mobile-tab{display:none}}

/* ============ 移动端固定转化条 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;z-index:55;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(20,22,28,.07);
  bottom:calc(64px + env(safe-area-inset-bottom));
  transform:translateY(140%);opacity:0;pointer-events:none;
  transition:transform .3s ease,opacity .3s ease;
}
.mobile-bar.is-show{transform:translateY(0);opacity:1;pointer-events:auto}
.mobile-bar .info{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted);font-weight:600}
.mobile-bar .info i{color:var(--primary);font-size:16px}
@media(min-width:1024px){.mobile-bar{display:none}}
@media(max-width:1023px){body{padding-bottom:calc(142px + env(safe-area-inset-bottom))}}

/* roulang page: category2 */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E1440C;
  --brand-light:#FFE7DA;
  --brand-grad:linear-gradient(135deg,#FF7A18 0%,#FF4D2D 55%,#FFB020 100%);
  --mint:#0FB98C;
  --mint-soft:rgba(15,185,140,.12);
  --sun:#FFC24B;
  --ink:#14161C;
  --text:#2B2F3A;
  --muted:#5A6070;
  --hint:#8A90A0;
  --line:#ECEDF1;
  --bg:#FFF9F5;
  --white:#FFFFFF;
  --soft:#F6F7F9;
  --dark:#17181E;
  --dark-2:#1F2129;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(20,22,28,.04), 0 6px 16px rgba(20,22,28,.05);
  --shadow-warm:0 2px 6px rgba(20,22,28,.04), 0 14px 34px rgba(255,90,31,.10);
  --shadow-warm-lg:0 6px 12px rgba(20,22,28,.05), 0 22px 46px rgba(255,90,31,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-soft{background:var(--soft)}
.section-title{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700}
.section-lead{color:var(--muted);font-size:16px;margin-top:14px;max-width:760px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand-dark);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow i{font-size:11px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(255,90,31,.36)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,90,31,.28)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-light);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.5)}
.btn-light:hover{background:var(--brand-light);color:var(--brand-dark)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:15px}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow:hover{color:var(--brand-dark)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:transparent;
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(20,22,28,.06);backdrop-filter:blur(10px)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;
  box-shadow:0 8px 18px rgba(255,90,31,.28);
  flex-shrink:0;
}
.logo-text{display:block;font-size:17px;font-weight:800;color:var(--ink);line-height:1.15}
.logo-sub{display:block;font-size:10px;letter-spacing:.2em;color:var(--hint);font-weight:600}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 2px;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand-dark)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-dark);font-weight:600;padding:8px 16px;border-radius:var(--r-pill);background:var(--brand-light)}
.nav-link.is-active::after{display:none}
.site-footer .logo-text{color:#fff}
.site-footer .logo-sub{color:rgba(255,255,255,.45)}

/* ---------- Hero ---------- */
.hero-inner{
  position:relative;
  padding:132px 0 84px;
  background:linear-gradient(180deg,#FFE7DA 0%,#FFF3EA 42%,var(--bg) 100%);
  overflow:hidden;
}
.hero-inner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,90,31,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,90,31,.07) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
}
.hero-inner::after{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.32),rgba(255,122,24,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-title{font-size:clamp(28px,4vw,44px);line-height:1.15;font-weight:800;margin-top:22px}
.hero-title em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:44px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 16px;box-shadow:var(--shadow-sm);
}
.stat-num{font-size:26px;font-weight:800;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-num.mint{color:var(--mint)}
.stat-num.orange{color:var(--brand)}
.stat-unit{font-size:13px;color:var(--hint);margin-left:2px;font-weight:600}
.stat-desc{font-size:13px;color:var(--muted);margin-top:4px}
.hero-media{position:relative}
.hero-media .media{border-radius:var(--r-xl);aspect-ratio:4/3;box-shadow:var(--shadow-warm-lg)}
.float-card{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--shadow-warm);display:flex;align-items:center;gap:12px;
}
.float-card i{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;font-size:15px;flex-shrink:0}
.float-card-a{left:-18px;bottom:34px}
.float-card-a i{background:var(--mint-soft);color:var(--mint)}
.float-card-b{right:-14px;top:28px}
.float-card-b i{background:var(--brand-light);color:var(--brand)}
.float-title{font-size:15px;font-weight:700;color:var(--ink);line-height:1.3}
.float-sub{font-size:12.5px;color:var(--hint);line-height:1.4}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13.5px;color:var(--hint)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C9CCD4}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--muted);font-weight:600}

/* ---------- 通用媒体 / 卡片 ---------- */
.media{border-radius:var(--r-lg);overflow:hidden;background:#EFEFF2;position:relative;display:block}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.media:hover img{transform:scale(1.03)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand-dark);
  font-size:13px;font-weight:600;
}
.tag-mint{background:var(--mint-soft);color:#0A8E6B}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--shadow-warm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-warm-lg)}

/* ---------- zigzag ---------- */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.zigzag+.zigzag{margin-top:84px}
.zigzag.rev .zig-media{order:2}
.zig-media .media{aspect-ratio:16/11}
.zig-title{font-size:clamp(21px,2.3vw,27px);line-height:1.3;margin-top:16px}
.zig-text{color:var(--muted);margin-top:14px;max-width:520px}
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;color:var(--text)}
.check-list li i{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;margin-top:3px;
  background:var(--mint-soft);color:var(--mint);
  display:grid;place-items:center;font-size:11px;
}
.zig-zag .link-arrow{margin-top:24px}
.zigzag .link-arrow{margin-top:24px}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:8px;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow-sm);position:relative}
.step-num{
  display:inline-grid;place-items:center;width:46px;height:46px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand-dark);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.step-title{font-size:17px;font-weight:700;color:var(--ink);margin-top:18px}
.step-text{font-size:14.5px;color:var(--muted);margin-top:10px;line-height:1.75}
.step-line{display:none}

/* ---------- 时段规则卡 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rule-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.rule-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-warm)}
.rule-time{font-size:24px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;margin-top:16px}
.rule-title{font-size:18px;font-weight:700;margin-top:6px}
.rule-text{font-size:14.5px;color:var(--muted);margin-top:12px}
.rule-list{margin-top:16px;display:grid;gap:8px;font-size:14px;color:var(--muted)}
.rule-list li{display:flex;gap:8px}
.rule-list li::before{content:"·";color:var(--mint);font-weight:800}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-dark)}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .2s var(--ease);flex-shrink:0}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{padding:0 4px 24px;font-size:15.5px;color:var(--muted);line-height:1.85}

/* ---------- 互链分类 ---------- */
.link-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.link-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--shadow-warm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-warm-lg)}
.link-card h3{font-size:19px;font-weight:700;margin-top:14px}
.link-card p{font-size:14.5px;color:var(--muted);margin-top:10px}
.link-card .link-arrow{margin-top:18px}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;
  background:var(--dark);
  padding:64px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;width:520px;height:520px;right:-160px;bottom:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,24,.42),rgba(255,122,24,0) 70%);
}
.cta-band::after{
  content:"";position:absolute;width:360px;height:360px;left:-120px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,185,140,.26),rgba(15,185,140,0) 70%);
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{color:#fff;font-size:clamp(23px,2.8vw,33px);line-height:1.3;font-weight:800}
.cta-copy p{color:rgba(255,255,255,.72);margin-top:14px;font-size:16px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:96px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .logo{margin-bottom:18px}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.footer-title{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px}
.footer-list{display:grid;gap:12px}
.footer-list a{font-size:14.5px;color:rgba(255,255,255,.68);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-list a:hover{color:var(--brand);transform:translateX(-3px)}
.footer-contact{display:grid;gap:14px;font-size:14.5px;color:rgba(255,255,255,.68)}
.footer-contact i{color:var(--brand);width:18px;margin-right:8px}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.45);
}

/* ---------- 移动底部 Tab / 转化条 ---------- */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;
  background:rgba(255,255,255,.98);border-top:1px solid var(--line);
  box-shadow:0 -6px 22px rgba(20,22,28,.08);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar .tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:64px;font-size:11.5px;color:var(--hint);position:relative;
}
.mobile-tabbar .tab-item i{font-size:20px}
.mobile-tabbar .tab-item.is-active{color:var(--brand)}
.mobile-tabbar .tab-item.is-active::before{
  content:"";position:absolute;top:6px;width:18px;height:3px;border-radius:2px;background:var(--brand);
}
.mobile-convert{
  position:fixed;left:12px;right:12px;z-index:55;display:none;
  bottom:calc(76px + env(safe-area-inset-bottom));
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:8px 8px 8px 18px;box-shadow:var(--shadow-warm-lg);
  align-items:center;justify-content:space-between;gap:12px;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.mobile-convert.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.convert-call{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink)}
.convert-call i{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero-inner{padding:118px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav-links{display:none}
  .nav-cta{display:none}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .link-cards{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .mobile-tabbar{display:flex}
  .mobile-convert{display:flex}
  body{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
}
@media (max-width:820px){
  .rule-grid{grid-template-columns:1fr}
  .zigzag{grid-template-columns:1fr;gap:28px}
  .zigzag.rev .zig-media{order:0}
  .zigzag+.zigzag{margin-top:64px}
  .cta-band{padding:44px 26px}
  .link-cards{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero-inner{padding:104px 0 56px}
  .hero-stats{gap:12px}
  .stat{padding:12px 14px}
  .stat-num{font-size:23px}
  .steps{grid-template-columns:1fr}
  .btn{padding:13px 22px;font-size:15px}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:56px;margin-top:64px}
  .float-card{padding:12px 14px}
  .float-card-a{left:0;bottom:14px}
  .float-card-b{right:0;top:14px}
  .float-title{font-size:13.5px}
  .float-sub{font-size:11.5px}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E1440C;
  --brand-light:#FFE7DA;
  --field:#0FB98C;
  --sun:#FFC24B;
  --ink:#14161C;
  --text:#2B2F3A;
  --muted:#5A6070;
  --placeholder:#8A90A0;
  --line:#ECEDF1;
  --panel:#F6F7F9;
  --bg:#FFF9F5;
  --dark:#17181E;
  --dark-2:#1F2129;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-soft:0 2px 6px rgba(20,22,28,.04), 0 14px 34px rgba(255,90,31,.10);
  --shadow-hover:0 6px 12px rgba(20,22,28,.06), 0 22px 46px rgba(255,90,31,.18);
  --gradient-brand:linear-gradient(135deg,#FF7A18,#FF4D2D 55%,#FFB020);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.8;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
button,input,textarea,select{font:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand-light);color:var(--brand-dark);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1280px){.container{padding:0 32px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(255,249,245,.62);
  backdrop-filter:saturate(180%) blur(6px);
  transition:background .25s ease, box-shadow .25s ease, border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:#ffffff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 6px rgba(20,22,28,.04), 0 12px 28px rgba(20,22,28,.06);
  backdrop-filter:none;
}
.site-header .nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.site-header .logo{display:inline-flex;align-items:center;gap:10px;}
.site-header .logo-mark{
  width:40px;height:40px;border-radius:14px;flex:none;
  background:var(--gradient-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;letter-spacing:1px;
  box-shadow:0 8px 18px rgba(255,90,31,.28);
}
.site-header .logo-text{display:block;font-size:18px;font-weight:800;color:var(--ink);line-height:1.15;letter-spacing:.5px;}
.site-header .logo-sub{display:block;font-size:10px;letter-spacing:2px;color:var(--placeholder);font-weight:600;}
.site-header .nav-links{display:flex;align-items:center;gap:30px;}
.site-header .nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--muted);
  padding:6px 2px;transition:color .18s ease;
}
.site-header .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.site-header .nav-link:hover{color:var(--ink);}
.site-header .nav-link:hover::after{transform:scaleX(1);}
.site-header .nav-link.is-active{
  color:var(--brand-dark);background:var(--brand-light);
  padding:6px 14px;border-radius:999px;
}
.site-header .nav-link.is-active::after{display:none;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease-out, box-shadow .18s ease-out, background-color .18s ease-out, color .18s ease-out, border-color .18s ease-out;
}
.btn-primary{background-image:var(--gradient-brand);color:#fff;box-shadow:0 10px 22px rgba(255,90,31,.28);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(255,90,31,.36);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,90,31,.24);}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand-dark);}
.btn-outline:hover{background:var(--brand-light);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(1px);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:128px 0 64px;
  background:linear-gradient(180deg,#FFE7DA 0%,#FFF3EA 46%,#FFF9F5 100%);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,90,31,.08) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,90,31,.08) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
}
.cat-hero::after{
  content:"";position:absolute;top:-140px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.35),rgba(255,90,31,0) 68%);
  pointer-events:none;
}
.cat-hero .hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid rgba(255,90,31,.22);
  color:var(--brand-dark);font-size:13px;font-weight:600;
  padding:7px 16px;border-radius:999px;
  box-shadow:0 6px 16px rgba(255,90,31,.10);
}
.eyebrow i{font-size:12px;}
.hero-title{
  margin:20px 0 0;
  font-size:clamp(30px,4.6vw,50px);
  line-height:1.15;font-weight:800;color:var(--ink);letter-spacing:-.5px;
}
.hero-title .hl{
  background:linear-gradient(135deg,#FF7A18,#FF4D2D 55%,#FFB020);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin:18px 0 0;font-size:17px;line-height:1.75;color:var(--muted);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.stat-row{list-style:none;display:flex;flex-wrap:wrap;gap:16px;margin:34px 0 0;padding:0;}
.stat-row .stat{
  flex:1 1 150px;min-width:132px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--shadow-soft);
}
.stat-row .stat strong{
  display:block;font-size:30px;line-height:1.1;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.stat-row .stat:nth-child(2) strong{color:var(--field);}
.stat-row .stat:nth-child(3) strong{color:var(--ink);}
.stat-row .stat strong span{font-size:14px;font-weight:700;margin-left:3px;}
.stat-row .stat em{display:block;font-style:normal;font-size:13px;color:var(--muted);margin-top:4px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;height:340px;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:var(--shadow-soft);border:1px solid rgba(255,255,255,.7);
}
.float-card{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--shadow-soft);font-size:13px;color:var(--text);
  display:flex;align-items:center;gap:8px;
}
.float-card .dot{width:8px;height:8px;border-radius:50%;background:var(--field);box-shadow:0 0 0 4px rgba(15,185,140,.16);}
.float-a{left:-14px;bottom:26px;}
.float-b{right:-10px;top:24px;flex-direction:column;align-items:flex-start;gap:0;}
.float-b strong{font-size:24px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.1;}
.float-b span{font-size:12px;color:var(--muted);}

/* ============ 面包屑 ============ */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb{
  list-style:none;display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin:0;padding:14px 0;font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb i{font-size:10px;color:var(--placeholder);}
.breadcrumb li[aria-current]{color:var(--ink);font-weight:600;}

/* ============ 板块 ============ */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:var(--panel);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-label{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.5px;
  color:var(--brand-dark);background:var(--brand-light);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-title{
  margin:0;font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;color:var(--ink);letter-spacing:-.3px;
}
.section-sub{margin:14px 0 0;font-size:16px;line-height:1.8;color:var(--muted);}

/* ============ 卡片矩阵 ============ */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.matrix .span-2{grid-column:span 2;}
.matrix .span-3{grid-column:span 3;}
.act-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-soft);
  transition:transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
}
.act-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F7DDD0;}
.card-media{
  border-radius:var(--r-md);overflow:hidden;margin-bottom:20px;background:#F1F2F5;
  aspect-ratio:16/10;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.act-card:hover .card-media img{transform:scale(1.03);}
.tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.5px;
  color:var(--brand-dark);background:var(--brand-light);
  padding:5px 12px;border-radius:999px;
}
.tag.tag-field{color:#0A7C5E;background:rgba(15,185,140,.14);}
.card-title{margin:14px 0 0;font-size:21px;line-height:1.35;font-weight:700;color:var(--ink);}
.card-text{margin:12px 0 0;font-size:15.5px;line-height:1.8;color:var(--muted);}
.check-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px;}
.check-list li{
  position:relative;padding-left:26px;font-size:15px;line-height:1.7;color:var(--text);
}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;font-size:12px;color:var(--field);
}
.act-card .card-foot{
  margin-top:22px;display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-dark);
}
.act-card .card-foot i{transition:transform .2s ease-out;}
.act-card:hover .card-foot i{transform:translateX(4px);}
.span-3 .wide-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:22px;
}
.wide-item{
  background:var(--panel);border-radius:var(--r-md);padding:18px;
  border:1px solid var(--line);
}
.wide-item strong{display:block;font-size:16px;font-weight:700;color:var(--ink);}
.wide-item span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.7;}
.wide-item i{color:var(--brand);font-size:16px;margin-bottom:10px;display:block;}

/* ============ 横向对比条 ============ */
.compare{display:grid;gap:18px;}
.compare-row{
  display:grid;grid-template-columns:320px 1fr;gap:32px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 28px;box-shadow:var(--shadow-soft);
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.compare-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.compare-row.is-featured{
  border-color:rgba(255,90,31,.35);
  background:linear-gradient(135deg,#FFF3EA,#FFFFFF 62%);
  box-shadow:0 2px 6px rgba(20,22,28,.04), 0 18px 40px rgba(255,90,31,.16);
}
.compare-head h3{margin:12px 0 0;font-size:20px;font-weight:700;color:var(--ink);line-height:1.35;}
.compare-head p{margin:8px 0 0;font-size:14px;color:var(--muted);line-height:1.7;}
.compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.compare-cell{
  border-left:2px solid var(--brand-light);padding-left:14px;
}
.compare-cell em{display:block;font-style:normal;font-size:12.5px;color:var(--placeholder);letter-spacing:.4px;}
.compare-cell strong{
  display:block;font-size:17px;font-weight:700;color:var(--ink);margin-top:4px;
  font-variant-numeric:tabular-nums;
}
.compare-row.is-featured .compare-cell{border-left-color:var(--field);}
.compare-note{margin:22px 0 0;font-size:14px;color:var(--muted);text-align:center;}

/* ============ 合作方 ============ */
.logo-wall{display:grid;grid-template-columns:repeat(8,1fr);gap:14px;margin-top:8px;}
.logo-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:20px 10px;text-align:center;
  font-size:13.5px;font-weight:600;color:var(--placeholder);
  filter:grayscale(1);transition:filter .25s ease, color .25s ease, border-color .25s ease, transform .25s ease;
}
.logo-item:hover{filter:none;color:var(--brand-dark);border-color:rgba(255,90,31,.3);transform:translateY(-3px);}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:68px;padding:18px 0;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-dark);}
.faq-item summary i{color:var(--brand);font-size:14px;flex:none;transition:transform .2s ease-out;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-item .faq-answer{margin:0;padding:0 0 22px;font-size:15.5px;line-height:1.85;color:var(--muted);}

/* ============ 互链卡片 ============ */
.link-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.link-card{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-soft);
  transition:transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F7DDD0;}
.link-card h3{margin:10px 0 0;font-size:19px;font-weight:700;color:var(--ink);}
.link-card p{margin:8px 0 0;font-size:14.5px;color:var(--muted);line-height:1.75;}
.link-card .go{
  flex:none;width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand-dark);font-size:15px;
  transition:transform .2s ease-out, background-color .2s ease-out;
}
.link-card:hover .go{transform:translateX(4px);background:var(--brand);color:#fff;}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;
  background:var(--dark);color:#fff;padding:56px 40px;
  display:grid;grid-template-columns:1.3fr auto;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;top:-160px;left:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.42),rgba(23,24,30,0) 70%);
}
.cta-band::after{
  content:"";position:absolute;bottom:-180px;right:-60px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.28),rgba(23,24,30,0) 70%);
}
.cta-band .cta-copy{position:relative;z-index:1;}
.cta-band h2{margin:0;font-size:clamp(23px,2.6vw,32px);line-height:1.3;font-weight:700;color:#fff;}
.cta-band p{margin:14px 0 0;font-size:15.5px;line-height:1.8;color:#B9BDC9;max-width:560px;}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .btn-outline{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C4C8D2;padding:72px 0 0;margin-top:80px;}
.site-footer .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px;}
.site-footer .logo{display:inline-flex;align-items:center;gap:10px;}
.site-footer .logo-mark{
  width:40px;height:40px;border-radius:14px;flex:none;
  background:var(--gradient-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;
}
.site-footer .logo-text{display:block;font-size:18px;font-weight:800;color:#fff;line-height:1.15;}
.site-footer .logo-sub{display:block;font-size:10px;letter-spacing:2px;color:#7C8290;font-weight:600;}
.footer-desc{margin:18px 0 0;font-size:14px;line-height:1.85;color:#9298A6;max-width:330px;}
.footer-title{margin:0 0 18px;font-size:15px;font-weight:700;color:#fff;letter-spacing:.4px;}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:13px;}
.footer-list a{font-size:14px;color:#A9AEBB;transition:color .18s ease, transform .18s ease;display:inline-block;}
.footer-list a:hover{color:var(--brand);transform:translateX(-3px);}
.footer-contact{list-style:none;margin:0;padding:0;display:grid;gap:13px;}
.footer-contact li{font-size:14px;color:#A9AEBB;line-height:1.7;display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--brand);font-size:13px;margin-top:6px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7C8290;
}
@media (max-width:1024px){.site-footer{padding-bottom:104px;}}

/* ============ 移动端 Tab 与转化条 ============ */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:45;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(20,22,28,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar .tab-item{
  flex:1;height:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-size:11.5px;font-weight:600;color:var(--placeholder);position:relative;
}
.mobile-tabbar .tab-item i{font-size:19px;}
.mobile-tabbar .tab-item.is-active{color:var(--brand-dark);}
.mobile-tabbar .tab-item.is-active::before{
  content:"";position:absolute;top:6px;width:18px;height:3px;border-radius:3px;background:var(--brand);
}
.mobile-cta{
  display:none;position:fixed;left:12px;right:12px;z-index:44;
  bottom:calc(76px + env(safe-area-inset-bottom));
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 8px 8px 18px;align-items:center;justify-content:space-between;gap:12px;
  box-shadow:0 10px 28px rgba(20,22,28,.14);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .25s ease-out, transform .25s ease-out;
}
.mobile-cta.is-visible{opacity:1;transform:none;pointer-events:auto;}
.mobile-cta .call{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--ink);}
.mobile-cta .call i{color:var(--brand);font-size:15px;}

@media (max-width:1024px){
  .site-header .nav-links,.site-header .nav-cta{display:none;}
  .mobile-tabbar{display:flex;}
  .mobile-cta{display:flex;}
  .cat-hero{padding:108px 0 56px;}
  .cat-hero .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media img{height:260px;}
  .float-a{left:10px;bottom:-16px;}
  .float-b{right:10px;top:-16px;}
  .matrix{grid-template-columns:repeat(2,1fr);}
  .matrix .span-3{grid-column:span 2;}
  .span-3 .wide-grid{grid-template-columns:repeat(2,1fr);}
  .logo-wall{grid-template-columns:repeat(4,1fr);}
  .compare-row{grid-template-columns:1fr;gap:20px;}
  .compare-grid{grid-template-columns:repeat(2,1fr);}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:44px 28px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero-title{font-size:30px;}
  .hero-actions .btn{width:100%;}
  .stat-row .stat{flex:1 1 100%;}
  .matrix{grid-template-columns:1fr;}
  .matrix .span-2,.matrix .span-3{grid-column:span 1;}
  .span-3 .wide-grid{grid-template-columns:1fr;}
  .compare-grid{grid-template-columns:1fr;}
  .link-cards{grid-template-columns:1fr;}
  .logo-wall{
    display:flex;overflow-x:auto;gap:12px;padding-bottom:8px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .logo-wall .logo-item{flex:0 0 148px;scroll-snap-align:start;}
  .site-footer .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:56px;}
  .cta-band{border-radius:22px;padding:36px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cat-hero{padding:100px 0 48px;}
}