/* roulang page: index */
:root {
  --bg-page:#F6F7FB;
  --bg-deep:#0B0F14;
  --bg-card:#FFFFFF;
  --brand:#0FA378;
  --brand-dark:#0D8B68;
  --brand-mist:rgba(15,163,120,0.12);
  --gold:#C9A96A;
  --gold-dark:#B8924F;
  --gold-mist:rgba(201,169,106,0.16);
  --text:#1A1C24;
  --text-sub:#5C6470;
  --text-weak:#8B93A1;
  --line:#E4E7EE;
  --success:#2EAD6A;
  --error:#E5484D;
  --info:#3EAAE8;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --shadow-sm:0 8px 24px rgba(20,30,50,0.06);
  --shadow-hover:0 14px 40px rgba(15,163,120,0.14);
  --font:'PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,figure { margin:0; }
ul { padding:0; list-style:none; }
a { color:inherit; text-decoration:none; }
img { display:block; max-width:100%; }
button,input,select,textarea { font:inherit; }
section[id] { scroll-margin-top:130px; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline:3px solid rgba(15,163,120,0.35);
  outline-offset:2px;
  border-radius:6px;
}
.container {
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.container-narrow {
  max-width:880px;
  margin:0 auto;
  padding:0 24px;
}
.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-sm);
  font-weight:600;
  font-size:15px;
  line-height:1.4;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s, color .2s, border-color .2s, box-shadow .2s, transform .2s;
  white-space:nowrap;
}
.btn-primary {
  background:linear-gradient(135deg,#0FA378,#0D8B68);
  color:#fff;
  box-shadow:0 6px 18px rgba(15,163,120,0.18);
}
.btn-primary:hover {
  background:linear-gradient(135deg,#12B386,#0E9C74);
  box-shadow:0 10px 24px rgba(15,163,120,0.32);
  color:#fff;
  transform:translateY(-1px);
}
.btn-primary:active { transform:scale(0.98); }
.btn-ghost-light {
  border-color:rgba(255,255,255,0.6);
  color:#fff;
  background:rgba(255,255,255,0.04);
}
.btn-ghost-light:hover {
  background:rgba(255,255,255,0.1);
  border-color:#fff;
  color:#fff;
}
.btn-outline-light {
  border-color:rgba(201,169,106,0.7);
  color:var(--gold);
  background:rgba(201,169,106,0.05);
}
.btn-outline-light:hover {
  background:rgba(201,169,106,0.12);
  color:var(--gold);
}
.btn-lg { height:50px; padding:0 32px; font-size:16px; border-radius:14px; }
.btn-sm { height:38px; padding:0 18px; font-size:14px; }

.site-header {
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg-deep);
  color:#F5F7FA;
  box-shadow:0 6px 24px rgba(0,0,0,0.2);
}
.header-top-inner {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 0;
}
.brand-logo {
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}
.brand-mark {
  width:36px;
  height:36px;
  flex:0 0 auto;
}
.brand-name {
  font-size:20px;
  font-weight:700;
  white-space:nowrap;
  color:#fff;
  letter-spacing:0.01em;
}
.header-tools {
  display:flex;
  align-items:center;
  gap:12px;
}
.header-search {
  display:flex;
  align-items:center;
  background:rgba(255,255,255,0.1);
  border:1px solid rgba(255,255,255,0.16);
  border-radius:999px;
  padding:4px;
  width:230px;
  transition:border-color .2s, background .2s;
}
.header-search:focus-within {
  border-color:rgba(15,163,120,0.8);
  background:rgba(255,255,255,0.14);
}
.header-search input {
  flex:1;
  min-width:0;
  background:transparent;
  border:0;
  outline:none;
  color:#fff;
  padding:6px 12px;
  font-size:13px;
}
.header-search input::placeholder { color:rgba(255,255,255,0.5); }
.header-search button {
  width:32px;
  height:32px;
  border:0;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:background .2s;
}
.header-search button:hover { background:var(--brand-dark); }
.header-nav {
  border-top:1px solid rgba(255,255,255,0.08);
}
.channel-nav {
  display:flex;
  gap:6px;
  overflow-x:auto;
  padding-top:4px;
  padding-bottom:4px;
  scrollbar-width:none;
}
.channel-nav::-webkit-scrollbar { display:none; }
.nav-link {
  display:flex;
  align-items:center;
  padding:12px 18px;
  font-size:15px;
  font-weight:500;
  color:rgba(255,255,255,0.76);
  border-radius:var(--r-sm);
  white-space:nowrap;
  transition:background .2s,color .2s;
}
.nav-link:hover {
  color:#fff;
  background:rgba(255,255,255,0.08);
}
.nav-link.active {
  color:#fff;
  background:var(--brand);
  font-weight:600;
}

.hero {
  position:relative;
  background:var(--bg-deep) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;
  padding:96px 0;
  overflow:hidden;
}
.hero::before {
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, rgba(11,15,20,0.94) 0%, rgba(11,15,20,0.82) 55%, rgba(11,15,20,0.6) 100%);
}
.hero-inner {
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:56px;
  align-items:center;
}
.hero-kicker {
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:0.12em;
  color:var(--gold);
  background:rgba(201,169,106,0.12);
  border:1px solid rgba(201,169,106,0.25);
  padding:6px 14px;
  border-radius:999px;
}
.hero h1 {
  font-size:44px;
  line-height:1.22;
  font-weight:700;
  margin:18px 0 16px;
  letter-spacing:-0.01em;
}
.hero h1 span {
  display:block;
  color:var(--gold);
  font-size:30px;
  font-weight:600;
  margin-top:8px;
}
.hero-sub {
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,0.82);
  max-width:520px;
  margin-bottom:32px;
}
.hero-actions {
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:34px;
}
.hero-trust {
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-trust span {
  font-size:13px;
  color:rgba(255,255,255,0.65);
  background:rgba(255,255,255,0.06);
  padding:6px 12px;
  border-radius:999px;
}
.hero-visual {
  display:flex;
  justify-content:center;
}
.preview-card {
  position:relative;
  width:100%;
  max-width:470px;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:0 24px 70px rgba(0,0,0,0.35);
  transform: perspective(1000px) rotateY(-3deg) rotateX(1deg);
}
.preview-image {
  min-height:380px;
  background:var(--bg-deep);
}
.preview-image img {
  width:100%;
  height:100%;
  min-height:380px;
  object-fit:cover;
}
.preview-body {
  position:absolute;
  left:16px;
  right:16px;
  bottom:16px;
  border-radius:var(--r-md);
  padding:20px 20px 18px;
  background:rgba(11,15,20,0.56);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,0.18);
}
.preview-body h3 {
  font-size:19px;
  color:#fff;
  margin-bottom:6px;
}
.preview-body p {
  font-size:13px;
  color:rgba(255,255,255,0.72);
  margin-bottom:16px;
}
.preview-metrics {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  margin-bottom:16px;
}
.preview-metrics div {
  background:rgba(255,255,255,0.08);
  border-radius:var(--r-sm);
  padding:10px 6px;
  text-align:center;
}
.preview-metrics strong {
  display:block;
  font-size:22px;
  color:#fff;
  font-weight:600;
}
.preview-metrics span {
  font-size:11px;
  color:rgba(255,255,255,0.6);
}
.preview-badge {
  display:inline-block;
  background:var(--gold);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding:5px 12px;
  border-radius:999px;
}

.section { padding:96px 0; }
.section-alt { background:#fff; }
.section-dark { background:var(--bg-deep); color:#fff; }
.section-head {
  max-width:760px;
  margin:0 auto 56px;
  text-align:center;
}
.section-head .eyebrow {
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  letter-spacing:0.14em;
}
.section-head h2 {
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  margin:10px 0 14px;
}
.section-head p {
  color:var(--text-sub);
  font-size:16px;
  line-height:1.8;
}
.section-head.light .eyebrow { color:var(--gold); }
.section-head.light p { color:rgba(255,255,255,0.65); }

.table-wrap {
  overflow-x:auto;
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  background:#fff;
  border:1px solid var(--line);
}
.tier-table {
  min-width:820px;
  width:100%;
  border-collapse:separate;
  border-spacing:0;
}
.tier-table th,
.tier-table td {
  padding:18px 16px;
  text-align:center;
  border-bottom:1px solid var(--line);
  font-size:15px;
}
.tier-table thead th {
  background:#F9FAFC;
  font-weight:600;
  position:relative;
}
.tier-table th:first-child,
.tier-table td:first-child {
  text-align:left;
  color:var(--text-sub);
  font-weight:500;
}
.tier-table tr:last-child td { border-bottom:0; }
.tier-recommended {
  background:rgba(15,163,120,0.04);
}
thead th.tier-recommended {
  background:rgba(15,163,120,0.08);
}
.tier-name { font-weight:700; color:var(--text); }
.popular-flag {
  display:inline-block;
  background:var(--gold);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:999px;
  margin-bottom:8px;
}

.stats-band {
  background:var(--bg-deep);
  color:#fff;
  padding:44px 0;
  border-top:1px solid rgba(255,255,255,0.08);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.stats-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  text-align:center;
}
.stats-grid strong {
  display:block;
  font-size:34px;
  font-weight:600;
  color:#fff;
  line-height:1.2;
}
.stats-grid span {
  font-size:14px;
  color:rgba(255,255,255,0.62);
}

.highlights-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.highlight-card {
  display:flex;
  gap:18px;
  padding:28px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  transition:transform .25s, box-shadow .25s, border-color .25s;
}
.highlight-card:hover {
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--brand);
}
.highlight-icon {
  width:54px;
  height:54px;
  flex:0 0 auto;
  border-radius:var(--r-sm);
  background:var(--brand-mist);
  color:var(--brand);
  display:grid;
  place-items:center;
}
.highlight-content h3 {
  font-size:19px;
  margin-bottom:6px;
  font-weight:700;
}
.highlight-content p {
  font-size:14px;
  color:var(--text-sub);
  line-height:1.75;
}
.highlight-tag {
  display:inline-block;
  margin-top:12px;
  font-size:12px;
  font-weight:600;
  color:var(--gold-dark);
  background:var(--gold-mist);
  padding:4px 12px;
  border-radius:999px;
}

.preview-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.preview-card-item {
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform .25s, border-color .25s;
}
.preview-card-item:hover {
  transform:translateY(-5px);
  border-color:rgba(15,163,120,0.6);
}
.preview-media {
  position:relative;
  height:200px;
  overflow:hidden;
}
.preview-media img {
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s;
}
.preview-card-item:hover .preview-media img { transform:scale(1.04); }
.lock-label {
  position:absolute;
  top:12px;
  right:12px;
  background:rgba(11,15,20,0.7);
  color:#fff;
  border:1px solid rgba(201,169,106,0.5);
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
}
.preview-content { padding:22px; }
.preview-content .tag {
  display:inline-block;
  color:var(--brand);
  background:rgba(15,163,120,0.14);
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  margin-bottom:10px;
}
.preview-content h3 {
  font-size:19px;
  color:#fff;
  margin-bottom:8px;
}
.preview-content p {
  font-size:14px;
  color:rgba(255,255,255,0.65);
  line-height:1.75;
  margin-bottom:16px;
}
.progress-row {
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  color:rgba(255,255,255,0.6);
}
.progress {
  flex:1;
  height:6px;
  background:rgba(255,255,255,0.14);
  border-radius:999px;
  overflow:hidden;
}
.progress i {
  display:block;
  height:100%;
  background:linear-gradient(90deg,#0FA378,#12B386);
  border-radius:inherit;
}

.news-list { display:flex; flex-direction:column; gap:16px; }
.news-row {
  display:grid;
  grid-template-columns:200px 1fr 48px;
  gap:20px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:18px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s, border-color .25s, box-shadow .25s;
}
.news-row:hover {
  transform:translateX(4px);
  border-color:var(--brand);
  box-shadow:var(--shadow-hover);
}
.news-thumb {
  height:122px;
  border-radius:var(--r-sm);
  overflow:hidden;
}
.news-thumb img {
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s;
}
.news-row:hover .news-thumb img { transform:scale(1.05); }
.news-meta {
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:6px;
}
.news-cat {
  display:inline-block;
  background:var(--brand-mist);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:600;
  padding:4px 10px;
  border-radius:999px;
}
.news-time {
  font-size:12px;
  color:var(--text-weak);
}
.news-main h3 {
  font-size:18px;
  line-height:1.45;
  margin-bottom:6px;
  transition:color .2s;
}
.news-row:hover .news-main h3 { color:var(--brand-dark); }
.news-main p {
  font-size:14px;
  color:var(--text-sub);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-go {
  width:42px;
  height:42px;
  border-radius:50%;
  background:var(--brand-mist);
  color:var(--brand);
  display:grid;
  place-items:center;
  font-size:20px;
  transition:background .2s,color .2s,transform .2s;
}
.news-row:hover .news-go {
  background:var(--brand);
  color:#fff;
  transform:translateX(4px);
}
.news-empty {
  text-align:center;
  padding:60px 20px;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-md);
  color:var(--text-weak);
}
.news-empty svg {
  margin:0 auto 14px;
  color:var(--text-weak);
  opacity:0.5;
}
.news-empty p { font-size:15px; }

.faq-list {
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item {
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .25s;
}
.faq-item[open] { border-color:var(--brand); }
.faq-item summary {
  cursor:pointer;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  list-style:none;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary::after {
  content:"+";
  color:var(--brand);
  font-size:24px;
  font-weight:400;
  line-height:1;
  transition:transform .2s;
}
.faq-item[open] summary {
  color:var(--brand);
}
.faq-item[open] summary::after {
  content:"−";
}
.faq-content {
  padding:0 22px 20px;
  color:var(--text-sub);
  font-size:15px;
  line-height:1.85;
}

.cta-section {
  position:relative;
  background:var(--bg-deep) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:#fff;
  padding:96px 0;
}
.cta-section::before {
  content:"";
  position:absolute;
  inset:0;
  background:rgba(11,15,20,0.56);
}
.cta-inner {
  position:relative;
  text-align:center;
  max-width:760px;
  margin:0 auto;
}
.cta-kicker {
  color:var(--gold);
  font-size:13px;
  font-weight:600;
  letter-spacing:0.14em;
}
.cta-inner h2 {
  font-size:32px;
  margin:12px 0 14px;
}
.cta-inner p {
  font-size:16px;
  color:rgba(255,255,255,0.75);
  margin-bottom:30px;
}
.cta-buttons {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:16px;
}
.cta-buttons .btn { min-width:240px; }
.cta-note {
  display:block;
  margin-top:18px;
  font-size:13px;
  color:rgba(255,255,255,0.5);
}

.site-footer {
  background:var(--bg-deep);
  color:rgba(255,255,255,0.62);
  padding:64px 0 0;
}
.footer-grid {
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-brand { max-width:320px; }
.footer-brand-logo {
  display:flex;
  align-items:center;
  gap:10px;
}
.footer-brand h3 {
  color:#fff;
  font-size:18px;
  margin:16px 0 10px;
}
.footer-brand p {
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,0.55);
}
.footer-col h3 {
  color:#fff;
  font-size:16px;
  margin-bottom:14px;
  font-weight:600;
}
.footer-col a,
.footer-col span {
  display:block;
  margin-bottom:10px;
  font-size:14px;
  color:rgba(255,255,255,0.58);
  transition:color .2s;
}
.footer-col a:hover { color:var(--brand); }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,0.08);
  padding:20px 0;
}
.copyright {
  font-size:13px;
  color:rgba(255,255,255,0.36);
}

@media (max-width:1023px) {
  .hero-inner {
    grid-template-columns:1fr;
    gap:40px;
  }
  .hero-visual {
    justify-content:flex-start;
  }
  .preview-card {
    max-width:520px;
  }
  .preview-grid {
    grid-template-columns:repeat(2,1fr);
  }
  .footer-grid {
    grid-template-columns:1fr 1fr;
  }
  .header-search { width:190px; }
  .brand-name { font-size:18px; }
}

@media (max-width:767px) {
  .section { padding:64px 0; }
  .hero { padding:64px 0; }
  .hero h1 { font-size:32px; }
  .hero h1 span { font-size:23px; }
  .hero-sub { font-size:15px; }
  .hero-actions {
    flex-direction:column;
    align-items:stretch;
  }
  .hero-actions .btn { width:100%; }
  .header-top-inner { flex-wrap:wrap; gap:12px; }
  .header-search { display:none; }
  .channel-nav {
    justify-content:flex-start;
    width:100%;
  }
  .brand-name { font-size:17px; }
  .preview-grid { grid-template-columns:1fr; }
  .highlights-grid { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:repeat(2,1fr); gap:18px; }
  .news-row {
    grid-template-columns:1fr;
    gap:14px;
  }
  .news-thumb { height:170px; }
  .news-go { display:none; }
  .footer-grid { grid-template-columns:1fr; }
  .cta-buttons {
    flex-direction:column;
    align-items:stretch;
  }
  .cta-buttons .btn { width:100%; min-width:0; }
  .section-head h2 { font-size:26px; }
  .section-head p { font-size:15px; }
  .cta-inner h2 { font-size:27px; }
  .preview-card { transform:none; }
  .preview-image { min-height:300px; }
  .preview-image img { min-height:300px; }
}

@media (max-width:520px) {
  .container { padding:0 18px; }
  .brand-name { font-size:15px; }
  .brand-mark { width:30px; height:30px; }
  .header-tools .btn-primary { padding:0 14px; font-size:13px; }
  .nav-link { padding:11px 13px; font-size:14px; }
  .stats-grid strong { font-size:28px; }
  .highlight-card { flex-direction:column; }
}

/* roulang page: category1 */
:root {
  --primary: #0FA378;
  --primary-dark: #0D8B68;
  --primary-mist: rgba(15, 163, 120, 0.12);
  --accent: #C9A96A;
  --accent-dark: #B8924F;
  --accent-mist: rgba(201, 169, 106, 0.16);
  --dark: #0B0F14;
  --bg: #F6F7FB;
  --card: #FFFFFF;
  --text: #1A1C24;
  --muted: #5C6470;
  --weak: #8B93A1;
  --border: #E4E7EE;
  --success: #2EAD6A;
  --error: #E5484D;
  --info: #3EAAE8;
  --radius-card: 16px;
  --radius-panel: 20px;
  --radius-btn: 12px;
  --shadow-card: 0 8px 24px rgba(20, 30, 50, 0.06);
  --shadow-hover: 0 14px 40px rgba(15, 163, 120, 0.14);
  --font: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input, select, textarea { font: inherit; border: none; outline: none; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-btn); font-weight: 600; cursor: pointer; transition: all .25s ease; text-align: center; }
.btn-primary { background: linear-gradient(135deg, #0FA378, #0D8B68); color: #fff; padding: 12px 28px; }
.btn-primary:hover { filter: brightness(1.05); box-shadow: 0 10px 24px rgba(15, 163, 120, 0.32); }
.btn-primary:active { transform: scale(0.98); }
.btn-secondary { background: transparent; border: 1px solid rgba(255,255,255,0.4); color: #fff; padding: 12px 28px; }
.btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.65); }
.btn-sm { padding: 8px 16px; font-size: 14px; }
:focus-visible { outline: 3px solid rgba(15, 163, 120, 0.35); outline-offset: 2px; border-radius: 4px; }

/* ===== Header ===== */
.site-header { background: var(--dark); position: sticky; top: 0; z-index: 100; box-shadow: 0 6px 24px rgba(0,0,0,0.22); }
.header-top { border-bottom: 1px solid rgba(255,255,255,0.08); padding: 14px 0; }
.header-top-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.brand-logo { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 40px; height: 40px; flex-shrink: 0; }
.brand-name { color: #fff; font-size: 20px; font-weight: 700; letter-spacing: 0.5px; white-space: nowrap; }
.header-tools { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.header-search { display: flex; align-items: center; background: rgba(255,255,255,0.1); border-radius: var(--radius-btn); padding: 4px 4px 4px 6px; transition: border-color .25s; border: 1px solid transparent; }
.header-search:focus-within { border-color: var(--primary); background: rgba(255,255,255,0.14); }
.header-search input { background: transparent; border: none; color: #fff; font-size: 14px; padding: 8px 10px; width: 190px; }
.header-search input::placeholder { color: rgba(255,255,255,0.45); }
.header-search button { background: transparent; border: none; color: rgba(255,255,255,0.7); cursor: pointer; padding: 6px 10px; display: flex; align-items: center; justify-content: center; transition: color .25s; }
.header-search button:hover { color: var(--primary); }
.header-nav { background: rgba(0,0,0,0.22); }
.channel-nav { display: flex; align-items: center; gap: 6px; padding: 10px 24px; overflow-x: auto; scrollbar-width: none; }
.channel-nav::-webkit-scrollbar { display: none; }
.nav-link { color: rgba(255,255,255,0.72); padding: 8px 18px; border-radius: 999px; font-size: 15px; font-weight: 500; white-space: nowrap; transition: all .25s ease; }
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-link.active { background: var(--primary); color: #fff; }

/* ===== Hero ===== */
.hero { position: relative; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; padding: 96px 0; color: #fff; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(11,15,20,0.92) 0%, rgba(11,15,20,0.72) 60%, rgba(11,15,20,0.55) 100%); }
.hero-content { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.hero-copy { max-width: 680px; }
.hero-tag { display: inline-block; background: var(--accent-mist); color: #E6C88A; border-radius: 999px; padding: 6px 16px; font-size: 13px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 20px; }
.hero h1 { font-size: 46px; line-height: 1.25; font-weight: 700; margin-bottom: 18px; letter-spacing: 0.5px; }
.hero-sub { font-size: 17px; color: rgba(255,255,255,0.8); line-height: 1.85; max-width: 620px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-preview { width: 320px; flex-shrink: 0; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16); border-radius: var(--radius-panel); padding: 24px; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.hero-preview h3 { font-size: 16px; color: #fff; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.hero-preview h3 span { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); display: inline-block; }
.preview-list { display: flex; flex-direction: column; gap: 12px; }
.preview-item { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; background: rgba(0,0,0,0.22); border-radius: 12px; border: 1px solid rgba(255,255,255,0.06); font-size: 14px; color: rgba(255,255,255,0.82); }
.preview-item b { color: var(--accent); font-weight: 600; font-size: 15px; }
@media (max-width: 1023px) {
  .hero-content { flex-direction: column; align-items: flex-start; }
  .hero-preview { width: 100%; max-width: 440px; }
}

/* ===== Section ===== */
.section { padding: 88px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .section-label { display: inline-block; background: var(--primary-mist); color: var(--primary); border-radius: 999px; padding: 5px 14px; font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.section-head h2 { font-size: 30px; line-height: 1.3; color: var(--text); margin-bottom: 14px; font-weight: 700; }
.section-head p { color: var(--muted); font-size: 15px; line-height: 1.8; }

/* ===== Tag row ===== */
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }
.tag-pill { background: var(--card); border: 1px solid var(--border); border-radius: 999px; padding: 8px 18px; font-size: 14px; color: var(--muted); font-weight: 500; cursor: default; transition: all .25s ease; }
.tag-pill.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.tag-pill:hover { border-color: var(--primary); color: var(--primary); }
.tag-pill.active:hover { color: #fff; }

/* ===== Content grid ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card { background: var(--card); border-radius: var(--radius-card); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-card); transition: all .3s ease; }
.article-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.card-media { aspect-ratio: 16 / 10; overflow: hidden; background: #E9ECF2; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.article-card:hover .card-media img { transform: scale(1.03); }
.card-body { padding: 22px; }
.card-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.card-tag { background: var(--primary-mist); color: var(--primary); border-radius: 999px; padding: 4px 12px; font-size: 12px; font-weight: 600; }
.card-date { font-size: 12px; color: var(--weak); }
.card-title { font-size: 18px; font-weight: 700; line-height: 1.45; color: var(--text); margin-bottom: 8px; }
.card-desc { font-size: 14px; color: var(--muted); line-height: 1.75; margin-bottom: 16px; }
.card-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary); transition: gap .25s ease; }
.card-link:hover { gap: 10px; }

/* ===== Stats dark ===== */
.stats-section { background: var(--dark); padding: 80px 0; color: #fff; }
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-item { text-align: center; padding: 36px 20px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-panel); transition: all .3s ease; }
.stat-item:hover { background: rgba(255,255,255,0.07); border-color: rgba(15,163,120,0.5); }
.stat-icon { font-size: 28px; margin-bottom: 10px; }
.stat-num { font-size: 34px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.stat-item:nth-child(2) .stat-num, .stat-item:nth-child(4) .stat-num { color: var(--accent); }
.stat-label { margin-top: 10px; font-size: 14px; color: rgba(255,255,255,0.7); }
@media (max-width: 767px) {
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Features ===== */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.feature-card { display: flex; gap: 16px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-card); padding: 26px; transition: all .3s ease; box-shadow: var(--shadow-card); }
.feature-card:hover { border-color: var(--accent); box-shadow: 0 14px 36px rgba(201,169,106,0.16); transform: translateY(-2px); }
.feature-icon { width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; background: var(--primary-mist); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 20px; }
.feature-card:nth-child(2n) .feature-icon { background: var(--accent-mist); color: var(--accent-dark); }
.feature-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.feature-body p { font-size: 14px; color: var(--muted); line-height: 1.75; }
@media (max-width: 767px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ===== Steps ===== */
.steps-wrap { background: var(--card); border-radius: var(--radius-panel); border: 1px solid var(--border); padding: 40px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-item { position: relative; text-align: center; padding: 28px 12px 12px; }
.step-num { width: 36px; height: 36px; margin: 0 auto 16px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; font-size: 16px; display: flex; align-items: center; justify-content: center; }
.step-item:nth-child(2) .step-num { background: var(--accent); color: var(--dark); }
.step-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.step-item p { font-size: 14px; color: var(--muted); line-height: 1.75; }
@media (max-width: 767px) {
  .steps { grid-template-columns: 1fr; gap: 8px; }
  .steps-wrap { padding: 24px; }
}

/* ===== FAQ ===== */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-card); overflow: hidden; transition: border-color .3s ease, box-shadow .3s ease; }
.faq-item.open { border-color: var(--primary); box-shadow: var(--shadow-card); }
.faq-q { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--text); cursor: pointer; transition: color .25s ease; }
.faq-q:hover { color: var(--primary); }
.faq-item.open .faq-q { color: var(--primary); }
.faq-icon { width: 20px; height: 20px; flex-shrink: 0; position: relative; transition: transform .3s ease; }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; background: currentColor; border-radius: 2px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.faq-icon::before { width: 12px; height: 2px; }
.faq-icon::after { width: 2px; height: 12px; transition: transform .3s ease; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; color: var(--muted); font-size: 14px; line-height: 1.85; padding: 0 24px; }
.faq-item.open .faq-a { max-height: 320px; padding-bottom: 22px; }

/* ===== CTA ===== */
.cta-section { background: var(--dark); padding: 88px 0; text-align: center; color: #fff; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -120px; right: -80px; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(15,163,120,0.18) 0%, transparent 65%); }
.cta-section::after { content: ''; position: absolute; bottom: -160px; left: -60px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(201,169,106,0.12) 0%, transparent 62%); }
.cta-inner { position: relative; z-index: 1; }
.cta-title { font-size: 32px; font-weight: 700; line-height: 1.35; margin-bottom: 14px; }
.cta-text { font-size: 15px; color: rgba(255,255,255,0.7); max-width: 620px; margin: 0 auto 32px; line-height: 1.8; }
.cta-btn { min-width: 240px; }
.cta-note { margin-top: 16px; font-size: 13px; color: rgba(255,255,255,0.45); }

/* ===== Footer ===== */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
.footer-brand-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-brand-logo h3 { color: #fff; font-size: 18px; font-weight: 700; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 360px; color: rgba(255,255,255,0.6); }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h3 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.footer-col a, .footer-col span { font-size: 14px; color: rgba(255,255,255,0.65); transition: color .25s ease; cursor: default; }
.footer-col a { cursor: pointer; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 18px 0; text-align: center; }
.copyright { font-size: 13px; color: rgba(255,255,255,0.42); }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .hero { padding: 64px 0; }
  .hero h1 { font-size: 36px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 64px 0; }
}
@media (max-width: 767px) {
  .header-top-inner { gap: 12px; }
  .brand-name { font-size: 17px; }
  .header-search { display: none; }
  .channel-nav { padding: 8px 16px; }
  .nav-link { padding: 7px 14px; font-size: 14px; }
  .hero { padding: 48px 0; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; padding: 14px 20px; }
  .grid-3 { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 25px; }
  .faq-q { font-size: 15px; padding: 16px 18px; }
  .faq-a { padding: 0 18px; }
  .faq-item.open .faq-a { padding-bottom: 16px; }
  .cta-section { padding: 60px 0; }
  .cta-title { font-size: 26px; }
  .cta-btn { width: 100%; min-width: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
  .steps-wrap { padding: 20px; }
}

/* roulang page: article */
:root {
  --bg-light: #F6F7FB;
  --bg-dark: #0B0F14;
  --card-bg: #FFFFFF;
  --brand-green: #0FA378;
  --brand-green-hover: #0D8B68;
  --brand-green-soft: rgba(15,163,120,0.12);
  --gold: #C9A96A;
  --gold-hover: #B8924F;
  --gold-soft: rgba(201,169,106,0.16);
  --text-main: #1A1C24;
  --text-secondary: #5C6470;
  --text-muted: #8B93A1;
  --border: #E4E7EE;
  --success: #2EAD6A;
  --error: #E5484D;
  --info: #3EAAE8;
  --radius-sm: 12px;
  --radius-card: 16px;
  --radius-large: 20px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(20,30,50,0.06);
  --shadow-hover: 0 14px 40px rgba(15,163,120,0.14);
  --shadow-btn: 0 10px 24px rgba(15,163,120,0.32);
  --font-family: 'PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg-light);
  color: var(--text-main);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #0FA378, #0D8B68);
  color: #fff;
  box-shadow: 0 4px 14px rgba(15,163,120,.28);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #1BB587, #0E9A73);
  box-shadow: var(--shadow-btn);
  transform: translateY(-2px);
}
.btn-primary:active { transform: scale(.98); }
.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--gold);
  color: var(--gold);
}
.btn-secondary:hover {
  background: var(--gold-soft);
  border-color: var(--gold-hover);
  color: var(--gold-hover);
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 0 28px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: all .25s ease;
}
.btn-outline:hover {
  border-color: var(--brand-green);
  color: var(--brand-green);
  background: var(--brand-green-soft);
}
.btn-sm { height: 38px; padding: 0 18px; font-size: 13px; }
.btn-lg { height: 52px; padding: 0 42px; font-size: 16px; }
.btn:focus-visible {
  outline: 3px solid var(--brand-green-soft);
  outline-offset: 2px;
}

.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: var(--brand-green-soft);
  color: var(--brand-green);
  font-size: 12px;
  font-weight: 600;
}
.tag-gold {
  background: var(--gold-soft);
  color: var(--gold-hover);
}

/* Header */
.site-header {
  background: var(--bg-dark);
  color: #fff;
  position: relative;
  z-index: 50;
}
.header-top { border-bottom: 1px solid rgba(255,255,255,.06); }
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-logo .brand-mark { width: 42px; height: 42px; flex-shrink: 0; }
.brand-name {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-sm);
  padding: 0 10px;
  height: 40px;
  transition: border-color .25s ease;
}
.header-search:focus-within { border-color: var(--brand-green); }
.header-search input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 14px;
  width: 180px;
  padding: 0 8px;
}
.header-search input::placeholder { color: rgba(255,255,255,.5); }
.header-search button {
  background: transparent;
  border: none;
  color: rgba(255,255,255,.7);
  padding: 6px;
  display: flex;
  align-items: center;
  transition: color .2s ease;
}
.header-search button:hover { color: var(--brand-green); }

.header-nav {
  background: var(--bg-dark);
  position: sticky;
  top: 0;
  z-index: 100;
  border-top: 1px solid rgba(255,255,255,.05);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.channel-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-nav::-webkit-scrollbar { display: none; }
.nav-link {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  color: rgba(255,255,255,.72);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: all .25s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav-link.active {
  background: var(--brand-green);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(15,163,120,.35);
}

/* Breadcrumb */
.breadcrumb-area {
  padding: 28px 0 8px;
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--brand-green); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--text-main); font-weight: 500; }

/* Article Main */
.article-main {
  background: var(--card-bg);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  padding: 48px;
  margin: 24px auto 56px;
  max-width: 960px;
}
.article-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.article-header h1 {
  font-size: 36px;
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-main);
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item svg { width: 15px; height: 15px; }

/* Article Body */
.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding-top: 36px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-main);
  word-wrap: break-word;
}
.article-body p { margin-bottom: 1.5em; }
.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  margin: 2.2em 0 1em;
  padding-left: 14px;
  border-left: 4px solid var(--brand-green);
}
.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 2em 0 .8em;
  line-height: 1.4;
}
.article-body h4 {
  font-size: 16px;
  font-weight: 700;
  margin: 1.6em 0 .6em;
}
.article-body img {
  border-radius: 16px;
  margin: 28px auto;
  height: auto;
}
.article-body blockquote {
  background: #F4F5F8;
  border-left: 4px solid var(--brand-green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  margin: 24px 0;
  color: var(--text-secondary);
  font-style: italic;
}
.article-body a {
  color: var(--brand-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover { color: var(--brand-green-hover); }
.article-body ul,
.article-body ol {
  margin: 1.2em 0 1.6em;
  padding-left: 1.6em;
}
.article-body li { margin-bottom: .6em; }
.article-body li::marker { color: var(--brand-green); }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14px;
  background: var(--bg-dark);
  color: #E8EAEF;
  border-radius: 16px;
  overflow: hidden;
}
.article-body th,
.article-body td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.article-body th {
  background: rgba(15,163,120,.16);
  color: #fff;
  font-weight: 600;
}
.article-body tr:last-child td { border-bottom: none; }
.article-body code {
  background: rgba(15,163,120,.08);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 14px;
  color: var(--brand-green);
}
.article-body pre {
  background: var(--bg-dark);
  border-radius: 16px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
}
.article-body pre code {
  background: transparent;
  padding: 0;
  color: #E8EAEF;
}

/* Article Empty */
.article-empty {
  max-width: 760px;
  margin: 60px auto;
  text-align: center;
  padding: 60px 20px;
}
.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--brand-green-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.empty-icon svg { width: 32px; height: 32px; color: var(--brand-green); }
.article-empty h2 { font-size: 24px; margin-bottom: 12px; }
.article-empty p { color: var(--text-secondary); margin-bottom: 28px; }

/* Related */
.related-section {
  padding: 72px 0 80px;
  background: var(--bg-light);
}
.section-head {
  text-align: center;
  margin-bottom: 44px;
}
.section-head .section-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
}
.section-head .section-sub {
  color: var(--text-secondary);
  font-size: 15px;
  margin-top: 8px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all .3s ease;
  box-shadow: var(--shadow-card);
  display: block;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--brand-green);
  transform: translateY(-4px);
}
.related-card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--bg-dark);
}
.related-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .related-card-media img { transform: scale(1.03); }
.related-card-cat {
  position: absolute;
  top: 12px;
  left: 12px;
}
.related-card-body { padding: 20px 22px 24px; }
.related-card-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 10px;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 50px;
}
.related-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}
.related-card-link {
  color: var(--brand-green);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.related-card-arrow { transition: transform .25s ease; display: inline-block; }
.related-card:hover .related-card-arrow { transform: translateX(4px); }

/* CTA */
.article-cta {
  background: var(--bg-dark);
  color: #fff;
  padding: 88px 0;
  text-align: center;
}
.cta-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  background: var(--gold-soft);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.cta-inner h2 {
  font-size: 32px;
  line-height: 1.3;
  margin-bottom: 16px;
}
.cta-inner p {
  color: rgba(255,255,255,.72);
  font-size: 15px;
  margin-bottom: 36px;
}
.cta-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-note {
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}

/* Back Link */
.back-link {
  padding: 40px 0 64px;
  text-align: center;
}

/* Footer */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.72);
  padding: 72px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-brand-logo .brand-mark { width: 38px; height: 38px; flex-shrink: 0; }
.footer-brand-logo h3 {
  color: #fff;
  font-size: 19px;
  font-weight: 700;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.55);
  max-width: 280px;
}
.footer-col h3 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col a,
.footer-col span {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin-bottom: 10px;
  transition: color .25s ease;
}
.footer-col a:hover { color: var(--brand-green); }
.footer-bottom {
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}

/* Responsive */
@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .article-header h1 { font-size: 32px; }
  .article-main { padding: 40px 32px; }
}

@media (max-width: 767px) {
  .header-top-inner { height: 60px; }
  .brand-name { font-size: 17px; }
  .brand-logo .brand-mark { width: 36px; height: 36px; }
  .header-search { display: none; }
  .header-tools .btn-sm { padding: 0 14px; height: 34px; font-size: 12px; }
  .channel-nav { padding: 10px 16px; }
  .nav-link { padding: 7px 14px; font-size: 13px; }
  .breadcrumb-area { padding: 20px 0 4px; }
  .article-main {
    padding: 28px 20px;
    margin: 16px auto 40px;
    border-radius: var(--radius-card);
  }
  .article-header h1 { font-size: 26px; line-height: 1.3; }
  .article-meta { gap: 14px; font-size: 12px; }
  .article-body { font-size: 15px; line-height: 1.8; padding-top: 24px; }
  .article-body h2 { font-size: 21px; }
  .article-body h3 { font-size: 18px; }
  .related-grid { grid-template-columns: 1fr; gap: 16px; }
  .related-section { padding: 48px 0 56px; }
  .section-head .section-title { font-size: 24px; }
  .article-cta { padding: 64px 0; }
  .cta-inner h2 { font-size: 24px; }
  .cta-btns .btn { width: 100%; }
  .back-link { padding: 28px 0 48px; }
  .back-link .btn-outline { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }
}

/* roulang page: category2 */
:root {
    --brand-green: #0FA378;
    --brand-green-hover: #0D8B68;
    --brand-green-shadow: rgba(15, 163, 120, 0.32);
    --brand-green-soft: rgba(15, 163, 120, 0.12);
    --gold: #C9A96A;
    --gold-hover: #B8924F;
    --gold-soft: rgba(201, 169, 106, 0.16);
    --ink: #1A1C24;
    --ink-sub: #5C6470;
    --ink-weak: #8B93A1;
    --line: #E4E7EE;
    --bg-page: #F6F7FB;
    --bg-dark: #0B0F14;
    --bg-card: #FFFFFF;
    --radius-card: 16px;
    --radius-lg: 20px;
    --radius-btn: 12px;
    --radius-tag: 999px;
    --shadow-card: 0 8px 24px rgba(20, 30, 50, 0.06);
    --shadow-hover: 0 14px 40px rgba(15, 163, 120, 0.14);
    --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --container: 1200px;
    --space-section: 96px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-sans);
    background: var(--bg-page);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease, opacity 0.25s ease;
  }

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

  .container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
  }

  .site-header {
    background: var(--bg-dark);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
  }

  .header-top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 20px;
  }

  .brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
  }

  .brand-name {
    font-size: 22px;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: 0.5px;
    white-space: nowrap;
  }

  .header-tools {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .header-search {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-btn);
    padding: 0 6px 0 14px;
    height: 42px;
    width: 240px;
    transition: border-color 0.25s ease, background 0.25s ease;
  }

  .header-search:focus-within {
    border-color: var(--brand-green);
    background: rgba(255, 255, 255, 0.13);
  }

  .header-search input {
    flex: 1;
    background: transparent;
    border: none;
    color: #FFFFFF;
    font-size: 14px;
    min-width: 0;
  }

  .header-search input::placeholder {
    color: rgba(255, 255, 255, 0.45);
  }

  .header-search button {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.65);
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.25s ease, color 0.25s ease;
  }

  .header-search button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: var(--radius-btn);
    transition: all 0.25s ease;
    cursor: pointer;
    text-align: center;
    line-height: 1.4;
    white-space: nowrap;
  }

  .btn:active {
    transform: scale(0.98);
  }

  .btn:focus-visible {
    outline: 3px solid rgba(15, 163, 120, 0.35);
    outline-offset: 2px;
  }

  .btn-primary {
    background: linear-gradient(135deg, #0FA378, #0D8B68);
    color: #FFFFFF;
    box-shadow: 0 6px 18px rgba(15, 163, 120, 0.28);
  }

  .btn-primary:hover {
    background: linear-gradient(135deg, #11B184, #0D9372);
    box-shadow: 0 10px 24px var(--brand-green-shadow);
    color: #FFFFFF;
  }

  .btn-sm {
    height: 36px;
    padding: 0 18px;
    font-size: 14px;
  }

  .header-nav {
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    background: rgba(255, 255, 255, 0.02);
  }

  .channel-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    min-height: 52px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .channel-nav::-webkit-scrollbar {
    display: none;
  }

  .nav-link {
    padding: 8px 18px;
    border-radius: var(--radius-tag);
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    white-space: nowrap;
    transition: all 0.25s ease;
  }

  .nav-link:hover {
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.07);
  }

  .nav-link.active {
    background: var(--brand-green);
    color: #FFFFFF;
    font-weight: 600;
    box-shadow: 0 6px 16px rgba(15, 163, 120, 0.32);
  }

  /* ===== Hero ===== */
  .category-hero {
    background: var(--bg-dark);
    padding: 80px 0 72px;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
    opacity: 0.32;
  }

  .category-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 15, 20, 0.82) 40%, var(--bg-dark) 100%);
  }

  .category-hero .hero-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
  }

  .hero-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-tag);
    background: var(--gold-soft);
    color: var(--gold);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
    border: 1px solid rgba(201, 169, 106, 0.3);
  }

  .category-hero h1 {
    font-size: 42px;
    line-height: 1.2;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }

  .category-hero .hero-tagline {
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    max-width: 680px;
    margin: 0 auto 28px;
  }

  .hero-stats {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
  }

  .hero-stat {
    padding: 10px 22px;
    border-radius: var(--radius-btn);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .hero-stat strong {
    color: var(--gold);
    font-size: 16px;
    font-weight: 700;
  }

  /* ===== 分类标签区 ===== */
  .section {
    padding: var(--space-section) 0;
  }

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

  .section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
  }

  .section-header .section-eyebrow {
    font-size: 13px;
    font-weight: 600;
    color: var(--brand-green);
    letter-spacing: 2px;
    margin-bottom: 10px;
    text-transform: uppercase;
  }

  .section-header h2 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--ink);
  }

  .section-header p {
    font-size: 16px;
    color: var(--ink-sub);
    line-height: 1.75;
  }

  .category-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
  }

  .category-tabs a {
    padding: 8px 20px;
    border-radius: var(--radius-tag);
    background: var(--bg-card);
    border: 1px solid var(--line);
    color: var(--ink-sub);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.25s ease;
  }

  .category-tabs a:hover {
    border-color: var(--brand-green);
    color: var(--brand-green);
  }

  .category-tabs a.active {
    background: var(--brand-green);
    border-color: var(--brand-green);
    color: #FFFFFF;
    box-shadow: 0 6px 16px rgba(15, 163, 120, 0.24);
  }

  /* ===== 攻略类型卡 ===== */
  .guide-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .guide-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    border: 1px solid var(--line);
    padding: 28px 24px;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    text-align: left;
  }

  .guide-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(15, 163, 120, 0.55);
  }

  .guide-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
  }

  .guide-icon svg {
    width: 24px;
    height: 24px;
  }

  .guide-icon.green {
    background: var(--brand-green-soft);
  }

  .guide-icon.gold {
    background: var(--gold-soft);
  }

  .guide-icon.deep {
    background: rgba(26, 28, 36, 0.08);
  }

  .guide-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--ink);
  }

  .guide-card p {
    font-size: 14px;
    color: var(--ink-sub);
    line-height: 1.7;
    margin-bottom: 14px;
  }

  .guide-card .guide-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--brand-green);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.25s ease;
  }

  .guide-card .guide-link:hover {
    gap: 10px;
    color: var(--brand-green-hover);
  }

  /* ===== 精选攻略 ===== */
  .featured-guide {
    background: var(--bg-card);
    border-top: 1px solid var(--line);
  }

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

  .article-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
  }

  .article-card:hover {
    border-color: var(--brand-green);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
  }

  .article-cover {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
  }

  .article-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
  }

  .article-card:hover .article-cover img {
    transform: scale(1.03);
  }

  .article-cover .cover-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 5px 12px;
    border-radius: var(--radius-tag);
    font-size: 12px;
    font-weight: 600;
    background: rgba(11, 15, 20, 0.72);
    color: #FFFFFF;
    backdrop-filter: blur(6px);
  }

  .article-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .article-body h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 10px;
    color: var(--ink);
    transition: color 0.25s ease;
  }

  .article-card:hover .article-body h3 {
    color: var(--brand-green);
  }

  .article-body .article-desc {
    font-size: 14px;
    color: var(--ink-sub);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
  }

  .article-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }

  .article-meta .meta-date {
    font-size: 13px;
    color: var(--ink-weak);
  }

  .article-meta .meta-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--brand-green);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.25s ease;
  }

  .article-meta .meta-link:hover {
    gap: 8px;
    color: var(--brand-green-hover);
  }

  /* ===== 攻略流程 ===== */
  .process-section {
    background: var(--bg-dark);
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
  }

  .process-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
    opacity: 0.2;
  }

  .process-inner {
    position: relative;
    z-index: 2;
  }

  .process-section .section-header h2 {
    color: #FFFFFF;
  }

  .process-section .section-header p {
    color: rgba(255, 255, 255, 0.65);
  }

  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 20px;
  }

  .process-item {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius-card);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
  }

  .process-item:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--gold);
  }

  .process-num {
    font-size: 34px;
    font-weight: 800;
    color: var(--brand-green);
    line-height: 1;
    margin-bottom: 14px;
    font-style: italic;
    letter-spacing: -1px;
  }

  .process-item h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #FFFFFF;
  }

  .process-item p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
  }

  /* ===== 攻略亮点 ===== */
  .highlight-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .highlight-item {
    display: flex;
    gap: 18px;
    padding: 28px;
    background: var(--bg-card);
    border-radius: var(--radius-card);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
  }

  .highlight-item:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(15, 163, 120, 0.45);
  }

  .highlight-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--brand-green-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .highlight-icon.gold {
    background: var(--gold-soft);
  }

  .highlight-icon svg {
    width: 26px;
    height: 26px;
  }

  .highlight-item h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--ink);
  }

  .highlight-item p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--ink-sub);
  }

  /* ===== FAQ ===== */
  .faq-list {
    max-width: 800px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    padding: 20px 24px;
    margin-bottom: 14px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
  }

  .faq-item:hover {
    border-color: rgba(15, 163, 120, 0.4);
  }

  .faq-item details {
    cursor: pointer;
  }

  .faq-item summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.5;
    padding: 4px 0;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary::after {
    content: '+';
    font-size: 24px;
    font-weight: 400;
    color: var(--ink-weak);
    flex-shrink: 0;
    margin-left: 16px;
    transition: transform 0.3s ease, color 0.3s ease;
  }

  .faq-item details[open] summary {
    color: var(--brand-green);
  }

  .faq-item details[open] summary::after {
    transform: rotate(45deg);
    color: var(--brand-green);
  }

  .faq-answer {
    font-size: 15px;
    color: var(--ink-sub);
    line-height: 1.75;
    padding-top: 14px;
    margin-top: 6px;
    border-top: 1px dashed var(--line);
  }

  /* ===== CTA ===== */
  .cta-section {
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 88px 0;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
    opacity: 0.25;
  }

  .cta-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11, 15, 20, 0.9) 30%, rgba(15, 163, 120, 0.35) 100%);
  }

  .cta-inner {
    position: relative;
    z-index: 2;
    max-width: 720px;
    margin: 0 auto;
  }

  .cta-inner h2 {
    font-size: 34px;
    color: #FFFFFF;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
  }

  .cta-inner p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.75;
    margin-bottom: 32px;
  }

  .cta-btn {
    min-width: 240px;
    height: 48px;
    padding: 0 36px;
    font-size: 16px;
  }

  .cta-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 16px;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--bg-dark);
    padding: 64px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 36px;
    padding-bottom: 48px;
  }

  .footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
  }

  .footer-brand-logo .brand-mark {
    width: 36px;
    height: 36px;
  }

  .footer-brand-logo h3 {
    color: #FFFFFF;
    font-size: 19px;
    font-weight: 700;
  }

  .footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
  }

  .footer-col h3 {
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 18px;
  }

  .footer-col a,
  .footer-col span {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 10px;
    transition: color 0.25s ease;
  }

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

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 22px 0;
    text-align: center;
  }

  .footer-bottom .copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1023px) {
    :root {
      --space-section: 72px;
    }

    .guide-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .featured-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .process-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .header-search {
      width: 180px;
    }
  }

  @media (max-width: 767px) {
    :root {
      --space-section: 48px;
    }

    .container {
      padding: 0 16px;
    }

    .header-top-inner {
      min-height: 64px;
      gap: 12px;
    }

    .brand-name {
      font-size: 17px;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
    }

    .header-search {
      display: none;
    }

    .header-tools .btn-sm {
      height: 34px;
      padding: 0 14px;
      font-size: 13px;
    }

    .channel-nav {
      gap: 2px;
    }

    .nav-link {
      padding: 7px 14px;
      font-size: 14px;
    }

    .category-hero {
      padding: 48px 0 44px;
    }

    .category-hero h1 {
      font-size: 30px;
      line-height: 1.25;
    }

    .category-hero .hero-tagline {
      font-size: 15px;
      line-height: 1.65;
    }

    .hero-stat {
      padding: 8px 14px;
      font-size: 13px;
    }

    .section-header h2 {
      font-size: 24px;
    }

    .section-header p {
      font-size: 15px;
    }

    .guide-grid {
      grid-template-columns: 1fr;
      gap: 16px;
    }

    .featured-grid {
      grid-template-columns: 1fr;
      gap: 16px;
    }

    .highlight-grid {
      grid-template-columns: 1fr;
    }

    .process-grid {
      grid-template-columns: 1fr;
      gap: 16px;
    }

    .process-item {
      padding: 24px 16px;
    }

    .process-num {
      font-size: 28px;
    }

    .highlight-item {
      flex-direction: column;
      gap: 12px;
      padding: 22px;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 28px;
      padding-bottom: 32px;
    }

    .footer-brand {
      margin-bottom: 8px;
    }

    .cta-section {
      padding: 64px 0;
    }

    .cta-inner h2 {
      font-size: 26px;
    }

    .cta-btn {
      width: 100%;
      min-width: 0;
    }

    .faq-item {
      padding: 16px 18px;
    }

    .faq-item summary {
      font-size: 15px;
    }
  }

  @media (max-width: 520px) {
    .hero-stats {
      flex-direction: column;
      align-items: center;
    }

    .hero-stat {
      width: 100%;
      justify-content: center;
    }

    .category-tabs {
      flex-wrap: nowrap;
      justify-content: flex-start;
      overflow-x: auto;
      padding-bottom: 8px;
      scrollbar-width: none;
    }

    .category-tabs::-webkit-scrollbar {
      display: none;
    }

    .category-tabs a {
      white-space: nowrap;
      flex-shrink: 0;
    }
  }