/* roulang page: index */
:root {
  --bg-body:#0B0910;
  --bg-footer:#08060C;
  --bg-card:#16121F;
  --bg-card-hover:#1F1830;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.16);
  --text-main:#F7F4FA;
  --text-secondary:#A89FB8;
  --text-faint:#6F6680;
  --brand-a:#8C52FF;
  --brand-b:#FF3D81;
  --brand-c:#FF9E2C;
  --accent:#3BE8C4;
  --hot:#FFC857;
  --danger:#FF5C7C;
  --grad-main:linear-gradient(135deg,#8C52FF 0%,#FF3D81 100%);
  --grad-warm:linear-gradient(135deg,#FF3D81 0%,#FF9E2C 100%);
  --grad-success:linear-gradient(135deg,#3BE8C4 0%,#8C52FF 100%);
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.45);
  --font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Segoe UI","Noto Sans SC",Arial,sans-serif;
  --font-num:"SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
* { box-sizing: border-box; }
html, body { margin:0; padding:0; overflow-x:hidden; }
body {
  font-family:var(--font-family);
  background: var(--bg-body);
  color: var(--text-main);
  font-size:16px;
  line-height:1.8;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
body.modal-open, body.sticky-entry-open { padding-right:0 !important; }
img { max-width:100%; vertical-align:middle; border:0; }
a { color:#C7B9FF; text-decoration:none; transition:color .25s ease; }
a:hover { color:#fffffff0; }
button,input,textarea { font-family:inherit; }
input:focus, button:focus, a:focus, .form-control:focus, .form-select:focus { outline:2px solid rgba(255,61,129,.55); outline-offset:2px; box-shadow:none !important; }
.section { position:relative; padding:84px 0; }
.container { max-width:1240px; }
.section-header { margin-bottom:42px; }
.section-tag {
  display:inline-flex; align-items:center; gap:8px;
  font-size:14px; font-weight:600; letter-spacing:.5px;
  padding:6px 18px; border-radius:999px;
  color:var(--text-secondary);
  background:rgba(140,82,255,.12);
  border:1px solid rgba(140,82,255,.28);
}
.section-tag i { color:var(--brand-b); }
.section-title { font-size:34px; font-weight:800; margin:14px 0 10px; line-height:1.24; letter-spacing:-.5px; }
.section-sub { max-width:680px; color:var(--text-secondary); margin-bottom:0; }
.text-gradient {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color:transparent;
}
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-weight:700; border-radius:999px; padding:12px 26px; border:1px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  font-size:15px; line-height:1.2; white-space:nowrap;
}
.btn svg, .btn i { font-size:1.1em; transition:transform .3s ease; }
.btn:hover svg, .btn:hover i { transform:translateX(3px); }
.btn-grad {
  background:var(--grad-main);
  color:#fff;
  box-shadow:0 8px 28px rgba(255,61,129,.25);
}
.btn-grad:hover {
  transform:translateY(-3px);
  box-shadow:0 12px 34px rgba(255,61,129,.38);
  color:#fff;
}
.btn-grad:active { transform:translateY(-1px); box-shadow:0 6px 18px rgba(255,61,129,.3); }
.btn-ghost {
  background:transparent;
  color:var(--text-main);
  border:1px solid rgba(255,255,255,.2);
}
.btn-ghost:hover {
  background:rgba(255,255,255,.07);
  color:#fff;
  transform:translateY(-3px);
  box-shadow:0 8px 20px rgba(0,0,0,.18);
}
.btn-sm { padding:8px 18px; font-size:14px; }
.nav-link {
  font-weight:600;
  transition:all .2s ease;
  position:relative;
}

/* Header & Navigation */
.site-header {
  position:sticky; top:0; z-index:1030;
  background:rgba(11,9,16,.82);
  backdrop-filter:saturate(150%) blur(16px);
  -webkit-backdrop-filter:saturate(150%) blur(16px);
  border-bottom:1px solid var(--border);
}
.navbar { padding:14px 0; }
.brand {
  display:inline-flex; align-items:center; gap:10px;
  font-size:20px; font-weight:800; color:var(--text-main);
  letter-spacing:.2px;
}
.brand:hover { color:var(--text-main); }
.brand-mark {
  width:38px; height:38px; flex:0 0 38px;
  border-radius:12px;
  background:var(--grad-main);
  color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:19px;
  box-shadow:0 6px 16px rgba(140,82,255,.35);
}
.brand-badge {
  display:inline-flex;
  background:var(--grad-warm);
  color:#fff;
  font-size:11px;
  font-weight:800;
  letter-spacing:1px;
  padding:3px 10px;
  border-radius:999px;
  line-height:16px;
  transform:translateY(0);
}
.brand-text { line-height:1.1; }
.brand-text small { display:block; font-size:12px; font-weight:500; color:var(--text-secondary); letter-spacing:.4px; }

.navbar-nav { gap:4px; }
.navbar-nav .nav-link {
  color:var(--text-secondary);
  font-size:15.5px;
  padding:8px 16px !important;
  border-radius:999px;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus { color:var(--text-main); background:rgba(255,255,255,.05); }
.navbar-nav .nav-link.active {
  color:#fff;
  background:linear-gradient(135deg,rgba(140,82,255,.26),rgba(255,61,129,.18));
}
.navbar-nav .nav-link.active::after,
.navbar-nav .nav-link:not(.active)::after {
  content:"";
  position:absolute; left:40%; right:40%; bottom:-5px;
  height:3px; border-radius:3px;
  background:var(--grad-main);
  opacity:0; transition:all .3s ease;
}
.navbar-nav .nav-link.active::after { opacity:1; left:18%; right:18%; }
.navbar-nav .nav-link:not(.active):hover::after { opacity:.5; left:28%; right:28%; }

.header-tools { display:flex; align-items:center; gap:12px; }
.header-search {
  display:flex; align-items:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:7px 14px;
  min-width:190px;
  transition:border-color .25s ease, background .25s ease;
}
.header-search:focus-within {
  border-color:rgba(255,61,129,.55);
  background:rgba(255,255,255,.1);
}
.header-search i { color:var(--text-faint); margin-right:7px; font-size:14px; }
.header-search input {
  background:transparent; border:0; outline:none;
  color:var(--text-main);
  font-size:14px;
  width:100%;
}
.header-search input::placeholder { color:var(--text-faint); }
.header-login {
  color:var(--text-secondary);
  font-weight:600;
  font-size:15px;
  padding:6px 10px;
}
.header-login:hover { color:#fff; }
.mobile-actions { display:none; }

.navbar-toggler {
  border:1px solid rgba(255,255,255,.18);
  border-radius:12px;
  color:#fff;
  background:rgba(255,255,255,.05);
  padding:8px 12px;
}
.navbar-toggler:focus { box-shadow:none; }
.navbar-toggler-icon { background-image:none !important; }
.navbar-toggler-icon::before {
  content:""; display:block;
  width:22px; height:2px; border-radius:2px;
  background:#fff;
  box-shadow:0 7px 0 #fff, 0 -7px 0 #fff;
}

/* Hero */
.hero {
  position:relative;
  padding:90px 0 78px;
  overflow:hidden;
  border-bottom:1px solid var(--border);
  background:
    radial-gradient(ellipse at 18% 0%, rgba(140,82,255,.3), transparent 45%),
    radial-gradient(ellipse at 85% 18%, rgba(255,61,129,.2), transparent 42%),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(180deg,#120C1D 0%, #0D0914 72%, var(--bg-body) 100%);
  background-size:auto, auto, 60px 60px, 60px 60px, auto;
}
.hero::before {
  content:"";
  position:absolute; inset:0;
  background:url('/assets/images/backpic/back-1.webp') center top / cover no-repeat;
  opacity:.14;
  pointer-events:none;
}
.hero .container { position:relative; z-index:2; }
.hero-eyebrow {
  display:inline-flex; align-items:center;
  font-size:14px; color:var(--accent);
  background:rgba(59,232,196,.1);
  border:1px solid rgba(59,232,196,.25);
  padding:6px 16px;
  border-radius:999px;
  font-weight:600;
  margin-bottom:20px;
}
.hero-eyebrow i { margin-right:7px; }
.hero h1 {
  font-size:58px;
  line-height:1.18;
  font-weight:900;
  letter-spacing:-1px;
  margin:0 0 20px;
  color:#fff;
}
.hero h1 .text-gradient { font-weight:900; }
.hero-description {
  font-size:18px;
  color:var(--text-secondary);
  max-width:540px;
  margin-bottom:34px;
  line-height:1.9;
}
.hero .btn-grad { padding:15px 34px; font-size:17px; }
.hero .btn-ghost { padding:15px 28px; font-size:16px; }
.hero-trust {
  display:flex; flex-wrap:wrap; gap:14px;
  list-style:none; padding:0; margin:34px 0 0;
}
.hero-trust li { color:var(--text-secondary); font-size:14.5px; display:flex; align-items:center; gap:7px; }
.hero-trust li i { color:var(--accent); }

.hero-visual { position:relative; }
.browser-frame {
  background:rgba(18,13,29,.9);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-lg);
  box-shadow:0 22px 60px rgba(0,0,0,.46);
  padding:12px 12px 0;
  overflow:hidden;
}
.browser-top { display:flex; align-items:center; gap:7px; padding:2px 6px 11px; }
.browser-top span { display:block; width:12px; height:12px; border-radius:50%; background:rgba(255,255,255,.18); }
.browser-top span:nth-child(1){ background:#FF5F56; }
.browser-top span:nth-child(2){ background:#FFBD2E; }
.browser-top span:nth-child(3){ background:#27C93F; }
.browser-frame img {
  width:100%;
  display:block;
  border-radius:0 0 calc(var(--radius-lg) - 12px) calc(var(--radius-lg) - 12px);
  object-fit:cover;
  aspect-ratio:16/10;
}
.hero-chip {
  position:absolute;
  display:flex; align-items:center; gap:10px;
  background:rgba(15,11,22,.92);
  border:1px solid var(--border-strong);
  border-radius:18px;
  padding:11px 18px;
  box-shadow:var(--shadow-1);
}
.hero-chip i { font-size:21px; color:var(--brand-b); }
.hero-chip .chip-txt { line-height:1.2; }
.hero-chip .chip-num {
  font-size:21px; font-weight:800;
  font-variant-numeric:tabular-nums;
  font-family:var(--font-num);
  color:var(--text-main);
}
.hero-chip .chip-label { display:block; font-size:13px; color:var(--text-secondary); }
.chip-1 { left:-20px; top:38px; }
.chip-2 { right:-12px; bottom:40px; }
.chip-2 i { color:var(--accent); }

/* Features */
.features { padding:80px 0; }
.features-grid { display:grid; grid-template-columns:1fr 1fr 1fr; gap:24px; align-items:start; }
.feature-card {
  position:relative;
  background:linear-gradient(180deg,#16121F,#131019);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:36px 30px;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  min-height:320px;
}
.feature-card:hover {
  transform:translateY(-7px);
  background:linear-gradient(180deg,#1F1830,#191426);
  border-color:rgba(255,255,255,.18);
  box-shadow:var(--shadow-2), 0 0 44px rgba(140,82,255,.12);
}
.feature-card .feature-icon {
  width:58px; height:58px;
  border-radius:18px;
  background:var(--grad-main);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:20px;
  box-shadow:0 10px 24px rgba(255,61,129,.28);
}
.feature-card .feature-icon i { font-size:25px; color:#fff; }
.feature-card .feature-num { font-size:14px; font-weight:800; letter-spacing:2px; color:var(--text-faint); margin-bottom:12px; }
.feature-card h3 { font-size:21px; font-weight:800; margin-bottom:13px; }
.feature-card p { color:var(--text-secondary); font-size:15px; line-height:1.8; margin-bottom:12px; }
.feature-more { font-size:14px; font-weight:700; color:#C7B9FF; display:inline-flex; align-items:center; gap:5px; }
.feature-more::after { content:"→"; transition:transform .25s ease; }
.feature-card:hover .feature-more::after { transform:translateX(4px); }
.feature-card.feature-main {
  transform:translateY(-14px);
  background:
    linear-gradient(180deg,#1D1629,#17111F) padding-box,
    var(--grad-warm) border-box;
  border:2px solid transparent;
  box-shadow:0 14px 42px rgba(255,61,129,.12);
}
.feature-card.feature-main:hover {
  transform:translateY(-20px);
  box-shadow:0 18px 54px rgba(255,61,129,.22);
}

/* Scenario */
.scenario { background:linear-gradient(180deg, var(--bg-body) 0%, #0E0A15 100%); }
.scenario-row { display:flex; align-items:center; margin-bottom:64px; gap:56px; }
.scenario-row:last-child { margin-bottom:0; }
.scenario-media { flex:0 0 calc(50% - 28px); }
.scenario-media .browser-frame { background:#151020; }
.scenario-media .browser-frame img { aspect-ratio:16/9; width:100%; }
.scenario-info { flex:1; }
.scenario-step {
  display:inline-flex; align-items:center; gap:8px;
  font-size:14.5px; font-weight:800; color:var(--hot);
  background:rgba(255,200,87,.1);
  border:1px solid rgba(255,200,87,.24);
  padding:6px 17px;
  border-radius:999px;
  margin-bottom:20px;
}
.scenario-info h3 { font-size:27px; font-weight:800; margin-bottom:14px; line-height:1.4; }
.scenario-info p { color:var(--text-secondary); font-size:16.5px; margin-bottom:12px; max-width:520px; }
.scenario-info ul { list-style:none; padding:0; display:flex; flex-direction:column; gap:9px; }
.scenario-info ul li { display:flex; align-items:flex-start; gap:10px; color:var(--text-secondary); font-size:15px; }
.scenario-info ul li i { color:var(--accent); margin-top:5px; }
.scenario-flip .scenario-media { order:2; }
.scenario-flip .scenario-info { order:1; }

/* Latest News */
.latest-news { padding:86px 0; }
.news-section-title { margin-bottom:30px; }
.news-list { display:flex; flex-direction:column; gap:20px; margin-top:30px; }
.news-item {
  display:flex;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.news-item:hover {
  transform:translateY(-4px);
  background:var(--bg-card-hover);
  border-color:rgba(255,255,255,.18);
  box-shadow:var(--shadow-2);
}
.news-thumb {
  width:230px; min-width:230px;
  position:relative;
}
.news-thumb img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .5s ease; }
.news-item:hover .news-thumb img { transform:scale(1.04); }
.news-content { padding:23px 28px; display:flex; flex-direction:column; justify-content:center; width:100%; }
.news-meta { display:flex; align-items:center; gap:10px; margin-bottom:12px; flex-wrap:wrap; }
.news-cat {
  display:inline-flex;
  background:rgba(140,82,255,.18);
  color:#D3C2FF;
  font-size:12px; font-weight:700;
  border:1px solid rgba(140,82,255,.3);
  padding:4px 12px;
  border-radius:999px;
  line-height:18px;
}
.news-date { font-size:13px; color:var(--text-faint); display:inline-flex; align-items:center; gap:5px; }
.news-date i { font-size:13px; }
.news-content h3 { font-size:19px; font-weight:700; margin:0 0 7px; line-height:1.5; }
.news-content h3 a { color:var(--text-main); }
.news-content h3 a:hover { color:var(--brand-b); }
.news-content p { color:var(--text-secondary); font-size:14.6px; margin:0 0 10px; line-height:1.7; }
.read-more { font-size:13.5px; font-weight:700; color:var(--brand-b); display:inline-flex; gap:5px; }
.read-more:hover { color:#fff; }
.empty-state {
  display:flex; align-items:center; justify-content:center;
  border:1px dashed rgba(255,255,255,.18);
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.015);
  padding:44px 24px;
  color:var(--text-secondary);
  gap:10px;
  font-size:15px;
  width:100%;
}
.empty-state i { font-size:24px; color:var(--text-faint); }

/* Panel Options */
.news-header { align-items:center; }

/* Stats & social */
.social-proof { background:linear-gradient(180deg, var(--bg-body), #0D0913); }
.stat-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.stat-board {
  background:linear-gradient(180deg,#16121F,#120E18);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:36px 20px;
  text-align:center;
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.stat-board:hover {
  transform:translateY(-5px);
  border-color:rgba(255,255,255,.18);
  box-shadow:var(--shadow-2);
}
.stat-board .stat-icon { font-size:26px; color:var(--brand-b); margin-bottom:6px; }
.stat-board .stat-value {
  font-size:36px; font-weight:900;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1.2;
}
.stat-board .stat-label { color:var(--text-secondary); font-size:14px; margin-top:8px; }
.review-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:38px; }
.review-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:30px;
  transition:transform .3s ease, border-color .3s ease, background .3s ease;
}
.review-card:hover { transform:translateY(-5px); background:var(--bg-card-hover); border-color:rgba(255,255,255,.18); }
.review-stars { display:flex; gap:3px; color:var(--hot); font-size:15px; margin-bottom:17px; }
.review-text {
  font-size:15.5px; color:var(--text-secondary);
  border-left:3px solid rgba(255,61,129,.5);
  padding-left:16px;
  margin-bottom:18px;
  line-height:1.85;
  min-height:126px;
}
.review-person { display:flex; align-items:center; gap:12px; }
.review-avatar {
  width:42px; height:42px;
  border-radius:50%;
  background:var(--grad-main);
  display:flex; align-items:center; justify-content:center;
  font-weight:800; color:#fff;
  flex:0 0 42px;
}
.review-person strong { font-size:15px; display:block; line-height:1.4; }
.review-person span { font-size:13px; color:var(--text-faint); line-height:1.3; display:block; }

/* FAQ */
.faq { background:linear-gradient(180deg,#0C0813,var(--bg-body)); }
.faq-accordion { max-width:930px; margin:0 auto; }
.faq-accordion .accordion-item {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:18px !important;
  overflow:hidden;
  margin-bottom:14px;
}
.faq-accordion .accordion-item:last-child { margin-bottom:0; }
.faq-accordion .accordion-button {
  background:transparent;
  color:var(--text-main);
  font-weight:700;
  font-size:17px;
  padding:21px 26px;
  box-shadow:none;
  border-radius:18px !important;
  line-height:1.6;
  position:relative;
}
.faq-accordion .accordion-button:not(.collapsed) {
  background:rgba(140,82,255,.06);
  color:#fff;
  border-bottom:1px solid var(--border);
}
.faq-accordion .accordion-button.collapsed {
  border-bottom:1px solid transparent;
}
.faq-accordion .accordion-button::after {
  content:"";
  background-image:none;
  width:34px; height:34px;
  flex:0 0 34px;
  margin-left:auto;
  display:inline-block;
  border-radius:50%;
  font-size:20px;
  font-weight:600;
  color:var(--text-secondary);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .3s ease;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);
  position:relative;
}
.faq-accordion .accordion-button::before {
  content:"+";
  position:absolute;
  right:13px; top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:500;
  color:var(--brand-b);
  z-index:2;
  line-height:1;
  width:24px; height:24px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-family);
}
.faq-accordion .accordion-button:not(.collapsed)::before { transform:translateY(-50%) rotate(45deg); }
.faq-accordion .accordion-button:focus { box-shadow:none; }
.faq-accordion .accordion-body { padding:22px 28px 28px; color:var(--text-secondary); line-height:1.9; font-size:15.5px; }

/* CTA band */
.cta-panel { padding:24px 0 88px; }
.cta-card {
  position:relative;
  border-radius:32px;
  overflow:hidden;
  padding:76px 30px;
  text-align:center;
  background:
    radial-gradient(circle at 20% 25%, rgba(140,82,255,.5), transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(255,61,129,.45), transparent 46%),
    linear-gradient(135deg,#2A1738,#191020);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 24px 70px rgba(0,0,0,.5);
}
.cta-card::after {
  content:"";
  position:absolute; inset:0;
  background:url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
  opacity:.13;
  pointer-events:none;
}
.cta-inner { position:relative; z-index:2; max-width:680px; margin:0 auto; }
.cta-card h2 { font-size:38px; font-weight:900; color:#fff; margin:0 0 15px; letter-spacing:-.4px; }
.cta-card p { color:rgba(255,255,255,.75); font-size:17px; margin-bottom:34px; }
.cta-card .btn { font-size:17px; padding:15px 38px; }

/* Footer */
.site-footer { background:var(--bg-footer); border-top:1px solid var(--border); padding:64px 0 42px; position:relative; }
.footer-grid { display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px; }
.footer-brand-wrap { display:flex; flex-direction:column; gap:16px; }
.footer-brand-wrap .brand { font-size:22px; }
.footer-brand-wrap p { color:var(--text-secondary); font-size:14px; max-width:330px; line-height:1.8; }
.footer-col h4 { color:var(--text-main); font-size:16px; font-weight:700; margin-bottom:18px; }
.footer-col ul, .footer-col li { list-style:none; margin:0; padding:0; }
.footer-col li { margin-bottom:11px; }
.footer-col a { color:var(--text-secondary); font-size:14.5px; }
.footer-col a:hover { color:#fff; }
.footer-bottom {
  border-top:1px solid var(--border);
  margin-top:52px;
  padding-top:22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  color:var(--text-faint);
  font-size:13.5px;
}

/* Sticky entry bar */
.sticky-entry {
  position:fixed;
  left:0; right:0; bottom:0;
  z-index:1110;
  background:rgba(8,6,12,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-top:1px solid rgba(255,255,255,.12);
  padding:12px 18px;
  transform:translateY(0);
  transition:transform .35s ease, opacity .35s ease, visibility .35s;
  box-shadow:0 -8px 24px rgba(0,0,0,.3);
}
.sticky-entry.hidden { transform:translateY(110%); opacity:0; visibility:hidden; }
.sticky-entry .sticky-brand { display:flex; align-items:center; gap:10px; }
.sticky-brand .logo-mini { width:36px; height:36px; border-radius:11px; background:var(--grad-main); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:800; }
.sticky-brand-text { line-height:1.2; }
.sticky-brand-text strong { display:block; font-size:16px; font-weight:800; color:var(--text-main); }
.sticky-brand-text span { font-size:12.5px; color:var(--text-secondary); }
.sticky-right { display:flex; align-items:center; gap:10px; }
.sticky-close {
  background:transparent;
  color:var(--text-secondary);
  border:1px solid rgba(255,255,255,.14);
  border-radius:50%;
  width:34px; height:34px;
  display:flex; align-items:center; justify-content:center;
  transition:all .2s ease;
  font-size:17px;
  line-height:1;
}
.sticky-close:hover { color:#fff; background:rgba(255,255,255,.08); }
body.sticky-show .site-footer { padding-bottom:90px; }

/* Media Responsive */
@media (min-width: 1400px) {
  .container { max-width:1280px; }
}
@media (min-width: 992px) {
  .header-search { display:flex; }
  .navbar-toggler { display:none; }
  .mobile-search { display:none; }
  .navbar-nav .nav-item { margin:0 4px; }
}
@media (max-width: 1199.98px) {
  .hero h1 { font-size:48px; }
  .header-search { min-width:150px; width:170px; }
  .header-login { display:none; }
  .news-thumb { width:180px; min-width:180px; }
  .nav-link { font-size:14px !important; padding:7px 10px !important; }
}
@media (max-width: 991.98px) {
  .navbar-nav .nav-link.active::after, .navbar-nav .nav-link::after { display:none; }
  .navbar-collapse {
    background:rgba(8,6,12,.99);
    border:1px solid var(--border);
    border-radius:20px;
    margin-top:16px;
    padding:18px;
  }
  .navbar-nav { gap:6px; }
  .navbar-nav .nav-link { display:inline-block; padding:10px 18px !important; }
  .header-search { display:none; }
  .mobile-search { display:flex; margin:6px 0 16px; width:100%; min-width:0; }
  .mobile-actions { display:flex; align-items:center; gap:10px; margin-top:14px; padding-top:15px; border-top:1px solid rgba(255,255,255,.08); }
  .mobile-actions .header-login { display:inline-flex; }
  .mobile-actions .btn-grad { flex:1; }

  .hero { padding:68px 0 60px; }
  .hero h1 { font-size:45px; }
  .hero-visual { margin-top:56px; }
  .chip-1 { left:-10px; top:22px; }
  .chip-2 { right:-8px; bottom:36px; }
  .section { padding:62px 0; }
  .section-title { font-size:30px; }
  .features-grid { grid-template-columns:1fr; max-width:560px; margin:0 auto; }
  .feature-card { min-height:auto; }
  .feature-card.feature-main { transform:none; margin:0; }
  .feature-card.feature-main:hover { transform:translateY(-8px); }
  .scene-row { flex-direction:column; gap:40px; margin-bottom:80px; }
  .scenario-media { flex:0 0 100%; width:100%; }
  .scenario-flip .scenario-media, .scenario-flip .scenario-info { order:initial; }
  .stat-grid { grid-template-columns:repeat(2,1fr); }
  .review-grid { grid-template-columns:1fr; }
  .stat-board { padding:26px 16px; }
  .cta-card { padding:58px 22px; }
  .footer-grid { grid-template-columns:1fr 1fr 1fr; gap:32px; row-gap:40px; }
  .news-thumb { width:190px; min-width:190px; }
}
@media (max-width: 767.98px) {
  .hero h1 { font-size:38px; }
  .hero-description { font-size:16.5px; }
  .hero .btn-grad, .hero .btn-ghost { width:100%; margin-bottom:10px; }
  .news-thumb { width:100%; min-width:100%; height:180px; }
  .news-item { flex-direction:column; }
  .news-content { padding:18px; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .footer-brand-wrap { grid-column:1 / -1; }
  .scene-row { margin-bottom:68px; }
  .stat-grid { grid-template-columns:1fr 1fr; }
  .stat-board .stat-value { font-size:28px; }
  .faq-accordion .accordion-body { padding:18px 20px 24px; }
}
@media (max-width: 575.98px) {
  .section-title { font-size:27px; }
  .hero h1 { font-size:34px; }
  .stat-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; row-gap:28px; }
  .footer-bottom { flex-direction:column; text-align:center; }
  .footer-bottom div { justify-content:center; display:flex; flex-wrap:wrap; gap:8px; }
  .header-tools .btn-grad { display:none; }
  .sticky-entry { padding:9px 14px; }
  .sticky-brand-text span { display:none; }
  .sticky-right .btn { padding:9px 18px; font-size:13px; }
  .cta-card { padding:42px 18px; border-radius:22px; }
  .cta-card .btn { width:100%; }
}

/* roulang page: article */
:root {
  --bg-dark: #0B0910;
  --bg-footer: #08060C;
  --card: #16121F;
  --card-soft: #191426;
  --card-hover: #1F1830;
  --border: rgba(255,255,255,.08);
  --text: #F7F4FA;
  --text-sub: #A89FB8;
  --text-muted: #6F6680;
  --grad-main: linear-gradient(135deg,#8C52FF,#FF3D81);
  --grad-aux: linear-gradient(135deg,#FF3D81,#FF9E2C);
  --accent: #3BE8C4;
  --warn: #FFC857;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --shadow-md: 0 12px 30px rgba(0,0,0,.32);
  --shadow-lg: 0 22px 60px rgba(0,0,0,.46);
  --font-stack: -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Segoe UI","Noto Sans SC",Arial,sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg-dark);
  color: var(--text);
  font-family: var(--font-stack);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
}
a:hover {
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
input,
button {
  font-family: inherit;
}
:focus-visible {
  outline: 3px solid rgba(255,61,129,.45);
  outline-offset: 3px;
}
.btn {
  border-radius: 999px;
}
.btn-grad {
  background: var(--grad-main);
  color: #fff !important;
  border: 0;
  padding: .58rem 1.45rem;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1.5;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  white-space: nowrap;
  transition: transform .25s ease, filter .25s ease, box-shadow .25s ease;
}
.btn-grad:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 14px 32px rgba(255,61,129,.26);
}
.btn-grad:active {
  transform: translateY(0) scale(.98);
}
.btn-grad.btn-sm {
  padding: .42rem 1.1rem;
  font-size: .92rem;
}
.btn-ghost {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.2);
  color: var(--text);
  border-radius: 999px;
  padding: .58rem 1.4rem;
  font-weight: 600;
  transition: all .25s ease;
}
.btn-ghost:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.35);
  color: #fff;
  transform: translateY(-2px);
}
.container {
  max-width: 1180px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(11,9,16,.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .navbar {
  min-height: 74px;
  padding: 12px 0;
}
.site-header .navbar .container {
  position: relative;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: .01em;
  white-space: nowrap;
}
.brand:hover {
  color: #fff;
}
.brand-mark {
  width: 39px;
  height: 39px;
  border-radius: 13px;
  background: var(--grad-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 21px;
  font-weight: 900;
  box-shadow: 0 8px 20px rgba(140,82,255,.38);
}
.brand-text {
  line-height: 1.2;
}
.brand-badge {
  background: var(--grad-aux);
  color: #fff;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  font-weight: 800;
  margin-left: 5px;
  letter-spacing: .06em;
  vertical-align: middle;
  display: inline-block;
}
.site-header .navbar-nav .nav-item {
  margin: 0 2px;
}
.site-header .nav-link {
  color: var(--text-sub);
  padding: 9px 15px !important;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: color .2s ease, background .2s ease;
}
.site-header .nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,.06);
}
.site-header .nav-link.active {
  color: #fff;
  background: rgba(140,82,255,.17);
  position: relative;
}
.site-header .nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 3px;
  width: 18px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg,#FF3D81,#8C52FF);
}
.navbar-toggler {
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 12px;
  padding: 8px 10px;
}
.navbar-toggler-icon {
  width: 22px;
  height: 16px;
  display: block;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28247,244,250,0.9%29' stroke-linecap='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.navbar-toggler:focus {
  box-shadow: none;
  border-color: rgba(255,61,129,.55);
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 14px;
}
.header-search {
  position: relative;
  display: flex;
  align-items: center;
}
.header-search i {
  position: absolute;
  left: 14px;
  z-index: 2;
  color: var(--text-muted);
  font-size: 14px;
}
.header-search input {
  width: 230px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.06);
  color: #fff;
  border-radius: 999px;
  padding: .48rem .85rem .48rem 2.4rem;
  font-size: 14px;
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.header-search input::placeholder {
  color: var(--text-muted);
}
.header-search input:focus {
  outline: 0;
  background: rgba(255,255,255,.09);
  border-color: rgba(255,61,129,.4);
  box-shadow: 0 0 0 3px rgba(255,61,129,.14);
}
.header-login {
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 999px;
  transition: all .2s ease;
}
.header-login:hover {
  color: #fff;
  background: rgba(255,255,255,.07);
}
.mobile-search,
.mobile-actions {
  display: none;
}

/* Article Hero */
.article-hero {
  position: relative;
  overflow: hidden;
  padding: 74px 0 128px;
  background:
    linear-gradient(180deg, rgba(11,9,16,.68) 0%, rgba(11,9,16,.75) 45%, rgba(11,9,16,.96) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(circle at 50% 28%, #000, transparent 80%);
  mask-image: radial-gradient(circle at 50% 28%, #000, transparent 80%);
  pointer-events: none;
}
.article-hero .container {
  position: relative;
  z-index: 2;
}
.article-breadcrumb {
  margin-bottom: 20px;
}
.article-breadcrumb .breadcrumb {
  margin: 0;
}
.article-breadcrumb .breadcrumb-item {
  color: rgba(255,255,255,.62);
  font-size: 14px;
}
.article-breadcrumb .breadcrumb-item a {
  color: rgba(255,255,255,.78);
  border-radius: 6px;
  transition: color .2s ease;
  display: inline-flex;
  align-items: center;
  gap: .2rem;
}
.article-breadcrumb .breadcrumb-item a:hover {
  color: var(--warn);
}
.article-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  color: rgba(255,255,255,.45);
  padding: 0 .4rem;
}
.article-breadcrumb .breadcrumb-item.active {
  color: rgba(255,255,255,.4);
  display: inline-block;
  max-width: 500px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hero-category-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.09);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 22px;
}
.hero-category-badge i {
  color: var(--accent);
  font-size: 14px;
}
.article-title {
  color: #fff;
  font-size: clamp(30px, 4.6vw, 48px);
  font-weight: 900;
  line-height: 1.3;
  margin: 0 0 24px;
  letter-spacing: .01em;
  max-width: 980px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  background: rgba(255,255,255,.07);
  border: 1px solid var(--border);
  color: rgba(255,255,255,.78);
  padding: 6px 15px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.meta-item i {
  color: var(--text-muted);
  font-size: 14px;
}

/* Article Main */
.article-main {
  position: relative;
  z-index: 5;
  margin-top: -76px;
  padding-bottom: 96px;
}
.article-shell {
  background: #F7F3FA;
  color: #2E2937;
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4.5vw, 48px);
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
  border: 1px solid rgba(255,255,255,.22);
}
.article-shell .article-cover {
  margin-bottom: 28px;
}
.article-shell .article-cover img {
  width: 100%;
  border-radius: 22px;
  max-height: 520px;
  object-fit: cover;
}
.cover-caption {
  margin-top: 10px;
  text-align: center;
  font-size: 13px;
  color: #8b8397;
}
.reading-body {
  font-size: 17px;
  line-height: 2;
  color: #3D3847;
}
.reading-body > * {
  margin-bottom: 1.35rem;
}
.reading-body p {
  margin-bottom: 1.6rem;
}
.reading-body h2,
.reading-body h3,
.reading-body h4,
.reading-body h5,
.reading-body h6 {
  color: #201A2A;
  font-weight: 800;
  line-height: 1.4;
  margin-top: 2.4rem;
  margin-bottom: 1rem;
}
.reading-body h2 {
  font-size: clamp(24px, 3.2vw, 32px);
  border-bottom: 1px solid #E7DFEF;
  padding-bottom: 12px;
}
.reading-body h3 {
  font-size: 22px;
}
.reading-body a {
  color: #D72B7B;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color .2s ease;
}
.reading-body a:hover {
  color: #8C52FF;
}
.reading-body ul,
.reading-body ol {
  padding-left: 1.5rem;
}
.reading-body ul {
  list-style: disc;
}
.reading-body ol {
  list-style: decimal;
}
.reading-body li {
  margin-bottom: .55rem;
}
.reading-body img {
  border-radius: 20px;
  width: 100%;
  margin: 1.4rem 0;
}
.reading-body blockquote {
  background: #F0EAF4;
  border-left: 4px solid #8C52FF;
  border-radius: 0 16px 16px 0;
  padding: 18px 24px;
  margin: 1.8rem 0;
  color: #4b4358;
  font-size: 16px;
}
.reading-body blockquote p {
  margin: 0;
}
.reading-body figcaption {
  text-align: center;
  font-size: 13px;
  color: #8b8397;
  margin-top: -4px;
}

/* tags */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  border-top: 1px solid #E7DFEF;
  margin-top: 42px;
  padding-top: 28px;
}
.tag-title {
  font-size: 14px;
  font-weight: 700;
  color: #5B5365;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-right: 4px;
}
.article-tag {
  display: inline-flex;
  align-items: center;
  background: #EDE7F1;
  color: #3D344A;
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 600;
  transition: all .2s ease;
}
.article-tag:hover {
  background: #8C52FF;
  color: #fff;
  transform: translateY(-2px);
}
.article-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 32px;
}
.pager-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: #EFEAF3;
  border: 1px solid #352E44;
  border-radius: 18px;
  padding: 14px 20px;
  color: #2E2937;
  font-size: 15px;
  font-weight: 700;
  transition: all .25s ease;
}
.pager-btn:hover {
  background: var(--grad-main);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
}
.pager-btn i {
  transition: transform .2s ease;
}
.pager-btn:hover i {
  transform: translateX(-3px);
}
.pager-btn.next:hover i {
  transform: translateX(3px);
}

/* Empty State */
.article-empty {
  margin-top: -40px;
}
.empty-content {
  background: var(--card);
  border: 1px dashed rgba(255,255,255,.22);
  border-radius: 30px;
  padding: 66px 24px;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.empty-icon {
  width: 78px;
  height: 78px;
  border-radius: 26px;
  background: rgba(140,82,255,.16);
  border: 1px solid rgba(140,82,255,.28);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.empty-icon i {
  font-size: 32px;
  color: #FF3D81;
}
.empty-content h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}
.empty-content p {
  color: var(--text-sub);
  max-width: 480px;
  margin: 0 auto 24px;
}

/* Related */
.related-section {
  background: var(--bg-dark);
  padding: 0 0 110px;
}
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
}
.section-heading h2 {
  color: #fff;
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 800;
  margin: 0;
}
.section-heading .sub-title {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 6px;
}
.section-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 700;
  transition: color .2s ease;
}
.section-link:hover {
  color: var(--accent);
}
.related-card {
  display: block;
  height: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 10px;
  color: var(--text);
  transition: transform .28s ease, background .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.related-card:hover {
  background: var(--card-hover);
  border-color: rgba(255,255,255,.14);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  color: var(--text);
}
.related-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 17px;
}
.related-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s ease;
}
.related-card:hover .related-image img {
  transform: scale(1.06);
}
.image-tag {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 2;
  background: rgba(11,9,16,.72);
  border: 1px solid rgba(255,255,255,.12);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 5px 12px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.related-body {
  padding: 18px 12px 12px;
}
.related-body h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.55;
  margin-bottom: 12px;
  min-height: 56px;
}
.related-card .more {
  display: flex;
  align-items: center;
  gap: .3rem;
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 700;
  transition: color .2s ease, gap .2s ease;
}
.related-card:hover .more {
  color: #FF3D81;
  gap: .6rem;
}

/* CTA */
.cta-area {
  position: relative;
  overflow: hidden;
  margin: 0 0 96px;
  border-radius: 32px;
  padding: 62px 34px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    linear-gradient(120deg, rgba(140,82,255,.92), rgba(255,61,129,.86)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta-area .cta-inner {
  position: relative;
  z-index: 2;
  max-width: 650px;
  margin: 0 auto;
}
.cta-badge {
  display: inline-block;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 15px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.cta-area h2 {
  color: #fff;
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 16px;
}
.cta-area p {
  color: rgba(255,255,255,.9);
  font-size: 16px;
  line-height: 1.9;
  margin: 0 auto 28px;
  max-width: 540px;
}
.cta-area .btn-grad {
  background: #fff;
  color: #1A1226 !important;
  box-shadow: 0 14px 34px rgba(0,0,0,.22);
}
.cta-area .btn-grad:hover {
  transform: translateY(-2px);
  filter: brightness(.97);
}
.cta-area .btn-ghost {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.35);
  color: #fff;
}

/* Footer */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 64px 0 0;
  color: var(--text-sub);
  font-size: 15px;
}
.site-footer .brand {
  font-size: 20px;
  margin-bottom: 6px;
}
.site-footer .brand-mark {
  width: 36px;
  height: 36px;
  font-size: 18px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr 1fr 1fr;
  gap: 34px;
  padding-bottom: 38px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer-brand-wrap p {
  margin: 14px 0;
  line-height: 1.9;
  font-size: 14px;
  max-width: 340px;
  color: var(--text-muted);
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  margin-bottom: 18px;
}
.footer-col ul li {
  margin-bottom: 9px;
}
.footer-col ul li a {
  color: var(--text-muted);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-col ul li a:hover {
  color: #fff;
  padding-left: 6px;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0;
  font-size: 13px;
  color: #5E5769;
}
.footer-bottom a {
  color: #8b8298;
}
.footer-bottom a:hover {
  color: #fff;
}
.badge.bg-gradient {
  border-radius: 999px;
  padding: 7px 15px;
  font-weight: 700;
  font-size: 13px;
}

/* Responsive */
@media (max-width: 991.98px) {
  .site-header .navbar-collapse {
    position: absolute;
    top: calc(100% + 8px);
    left: 12px;
    right: 12px;
    background: #121018;
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 18px 16px 14px;
    box-shadow: 0 20px 50px rgba(0,0,0,.55);
  }
  .site-header .navbar-nav {
    margin: 0 0 14px !important;
  }
  .site-header .nav-link {
    display: block;
    padding: 10px 16px !important;
    border-radius: 12px;
  }
  .site-header .nav-link.active {
    background: rgba(140,82,255,.16);
  }
  .site-header .nav-link.active::after {
    display: none;
  }
  .header-tools {
    display: none !important;
  }
  .mobile-search,
  .mobile-actions {
    display: flex;
  }
  .mobile-search {
    margin-bottom: 12px;
  }
  .mobile-search .header-search {
    width: 100%;
  }
  .mobile-search .header-search input {
    width: 100%;
    padding-left: 2.4rem;
  }
  .mobile-actions {
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }
  .mobile-actions .header-login {
    padding: .5rem 1rem;
  }
  .mobile-actions .btn-grad {
    flex: 1;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .article-title {
    font-size: 34px;
  }
}
@media (max-width: 767.98px) {
  .article-hero {
    padding: 54px 0 118px;
  }
  .article-hero .article-breadcrumb .breadcrumb-item {
    font-size: 13px;
  }
  .article-meta {
    gap: 8px;
  }
  .meta-item {
    font-size: 13px;
    padding: 5px 12px;
  }
  .article-main {
    margin-top: -64px;
  }
  .article-pager {
    grid-template-columns: 1fr;
  }
  .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-area {
    padding: 46px 20px;
  }
  .cta-area .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
  }
  .reading-body {
    font-size: 16px;
  }
  .reading-body h2 {
    font-size: 24px;
  }
}
@media (max-width: 575.98px) {
  .site-header .brand {
    font-size: 18px;
    gap: 8px;
  }
  .site-header .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 17px;
  }
  .article-title {
    font-size: 26px;
  }
  .meta-item span {
    max-width: 130px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .article-shell {
    padding: 20px 16px;
    border-radius: 22px;
  }
  .article-shell .article-cover img {
    border-radius: 16px;
  }
  .cover-caption {
    font-size: 12px;
  }
  .reading-body {
    line-height: 1.95;
  }
  .related-body h3 {
    font-size: 16px;
    min-height: 0;
  }
  .cta-area {
    border-radius: 24px;
    margin: 0 0 70px;
    padding: 38px 16px;
  }
  .footer-bottom {
    font-size: 12px;
  }
}

/* roulang page: category1 */
:root{
  --bg-root:#0B0910;
  --bg-footer:#08060C;
  --bg-card:#16121F;
  --bg-card-hover:#1F1830;
  --bg-soft:#0D0B13;
  --stroke:rgba(255,255,255,.08);
  --stroke-strong:rgba(255,255,255,.16);
  --text-main:#F7F4FA;
  --text-muted:#A89FB8;
  --text-faint:#6F6680;
  --brand-pri:#8C52FF;
  --brand-sec:#FF3D81;
  --brand-acc:#FF9E2C;
  --brand-cyan:#3BE8C4;
  --grad-main:linear-gradient(135deg,#8C52FF 0%,#FF3D81 100%);
  --grad-aux:linear-gradient(135deg,#FF3D81 0%,#FF9E2C 100%);
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 18px 48px rgba(0,0,0,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Segoe UI","Noto Sans SC",Arial,sans-serif;
  background:var(--bg-root);
  color:var(--text-main);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit}
h1,h2,h3,h4,h5,h6{font-weight:700;color:var(--text-main);line-height:1.3}
p{margin:0 0 14px}
ul{list-style:none;margin:0;padding:0}
a:focus-visible,button:focus-visible,.accordion-button:focus-visible{
  outline:3px solid rgba(255,61,129,.55);
  outline-offset:3px;
  box-shadow:none;
  border-radius:12px;
}
.container{max-width:1280px}
.section-pad{padding:92px 0}
.text-muted{color:var(--text-muted)!important}
.text-faint{color:var(--text-faint)}
.bg-soft{background:var(--bg-soft)}

/* 共享头部 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,9,16,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--stroke);
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.site-header .navbar{min-height:72px;padding-top:0;padding-bottom:0}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;white-space:nowrap}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--grad-main);
  color:#fff;font-weight:800;font-size:21px;
  display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(255,61,129,.28);
}
.brand-text{font-size:20px;font-weight:800;letter-spacing:.01em;color:var(--text-main)}
.brand-badge{
  display:inline-block;margin-left:7px;padding:2px 8px;vertical-align:middle;
  border-radius:999px;font-size:12px;font-weight:700;color:#fff;
  background:var(--grad-aux);letter-spacing:0;
}
.navbar-nav{margin-left:auto;margin-right:auto}
.navbar-nav .nav-link{
  color:var(--text-muted) !important;
  font-weight:600;
  font-size:16px;
  padding:24px 14px !important;
  position:relative;
  transition:color .2s ease;
}
.navbar-nav .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:15px;
  height:3px;border-radius:99px;background:var(--grad-main);
  opacity:0;transform:scaleX(.15);transform-origin:center;
  transition:opacity .25s ease,transform .25s ease;
}
.navbar-nav .nav-link:hover{color:var(--text-main) !important}
.navbar-nav .nav-link.active{color:var(--text-main) !important}
.navbar-nav .nav-link.active::after{opacity:1;transform:scaleX(1)}
.navbar-toggler{
  border:1px solid rgba(255,255,255,.16);
  padding:.3rem .55rem;
  background:rgba(255,255,255,.03);
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(255,61,129,.28)}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(247,244,250,0.95)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}
.header-tools{display:flex;align-items:center;gap:12px}
.mobile-search,.mobile-actions{display:none !important}
.header-search{
  position:relative;display:flex;align-items:center;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.11);
  border-radius:999px;
  width:218px;padding:0 14px;height:40px;
}
.header-search i{color:var(--text-faint);font-size:14px;margin-right:8px}
.header-search input{
  border:0;background:transparent;color:var(--text-main);
  width:100%;font-size:14px;outline:none;
}
.header-search input::placeholder{color:var(--text-faint)}
.header-login{color:var(--text-muted);font-weight:600;font-size:15px;white-space:nowrap;transition:color .2s}
.header-login:hover{color:#fff}
.btn{
  border-radius:999px;
}
.btn-grad{
  --bs-btn-border-width:0;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--grad-main);
  color:#fff !important;
  font-weight:700;
  border-radius:999px;
  padding:10px 22px;
  box-shadow:0 8px 20px rgba(255,61,129,.25);
  border:0;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.btn-grad:hover{
  transform:translateY(-2px);
  filter:brightness(1.06);
  color:#fff !important;
  box-shadow:0 12px 26px rgba(255,61,129,.35);
}
.btn-grad:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:transparent;color:var(--text-main);border:1px solid rgba(255,255,255,.2);
  border-radius:999px;padding:10px 22px;font-weight:600;
  transition:background .2s,transform .2s,border-color .2s;
}
.btn-ghost:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateY(-2px);border-color:rgba(255,255,255,.32)}
.btn-ghost:active{transform:translateY(0)}
.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:#E82678;border:0;border-radius:999px;
  padding:13px 30px;font-weight:800;font-size:16px;
  box-shadow:0 12px 30px rgba(0,0,0,.22);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-white:hover{transform:translateY(-3px);color:#E82678;box-shadow:0 18px 36px rgba(0,0,0,.28)}
.btn-white:active{transform:translateY(0);color:#E82678}

/* 共享页脚 */
.site-footer{
  background:var(--bg-footer);
  border-top:1px solid var(--stroke);
  color:var(--text-muted);
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:44px;
  padding:64px 0 30px;
}
.footer-brand-wrap .brand{margin-bottom:14px}
.footer-brand-wrap p{font-size:14px;line-height:1.9;color:var(--text-muted);max-width:330px}
.footer-col h4{
  font-size:16px;color:var(--text-main);
  margin-bottom:16px;font-weight:700;
}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{color:var(--text-muted);transition:color .2s;font-size:14px}
.footer-col ul li a:hover{color:var(--text-main)}
.footer-bottom{
  border-top:1px solid var(--stroke);
  padding:22px 0 34px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--text-faint);
}

/* 面包屑 */
.breadcrumb-custom{margin-bottom:18px}
.breadcrumb-custom .breadcrumb{margin-bottom:0}
.breadcrumb-custom .breadcrumb-item{font-size:14px;color:var(--text-faint)}
.breadcrumb-custom .breadcrumb-item a{color:var(--text-muted);transition:color .2s}
.breadcrumb-custom .breadcrumb-item a:hover{color:#fff}
.breadcrumb-custom .breadcrumb-item+.breadcrumb-item::before{content:"›";color:var(--text-faint)}
.breadcrumb-custom .breadcrumb-item.active{color:var(--text-faint)}

/* Hero */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 78px;
  background:url("/assets/images/backpic/back-3.webp") no-repeat 78% center/cover,var(--bg-root);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(11,9,16,.94) 30%,rgba(11,9,16,.72) 72%,rgba(11,9,16,.6) 100%),
    radial-gradient(circle at 88% 16%,rgba(140,82,255,.32),transparent 44%),
    radial-gradient(circle at 18% 88%,rgba(255,61,129,.18),transparent 46%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.036) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.036) 1px,transparent 1px);
  background-size:52px 52px;
  opacity:.45;
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 80%);
  mask-image:linear-gradient(90deg,#000,transparent 80%);
}
.page-hero .container{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(140,82,255,.14);
  border:1px solid rgba(140,82,255,.3);
  color:#D9C6FF;font-size:14px;font-weight:700;
  border-radius:999px;padding:7px 15px;margin-bottom:22px;
}
.eyebrow .dot-live{width:7px;height:7px;border-radius:50%;background:var(--brand-cyan);box-shadow:0 0 0 4px rgba(59,232,196,.15)}
.page-hero h1{
  font-size:clamp(32px,4.4vw,54px);
  font-weight:900;
  line-height:1.22;
  margin-bottom:20px;
  letter-spacing:-.01em;
}
.grad-text{
  background:linear-gradient(92deg,#FF9E2C 0%,#FF3D81 62%,#B36CFF 115%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:transparent;
}
.hero-lead{color:var(--text-muted);font-size:17px;max-width:540px;line-height:1.9;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:24px}
.hero-points{display:flex;flex-wrap:wrap;gap:14px}
.hero-points li{color:var(--text-muted);font-size:14px;display:inline-flex;align-items:center;gap:7px}
.hero-points li i{color:var(--brand-cyan);font-size:16px}
.hero-visual{position:relative}
.browser-frame{
  max-width:540px;margin-left:auto;
  background:rgba(18,15,26,.92);
  border:1px solid var(--stroke-strong);
  border-radius:26px;
  padding:14px 14px 0;
  box-shadow:0 34px 90px rgba(0,0,0,.5),0 0 70px rgba(140,82,255,.12);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.browser-bar{display:flex;align-items:center;gap:8px;padding:2px 4px 12px}
.browser-bar span{width:11px;height:11px;border-radius:50%;display:block}
.browser-bar span:nth-child(1){background:#FF5F57}
.browser-bar span:nth-child(2){background:#FEBC2E}
.browser-bar span:nth-child(3){background:#28C840}
.browser-bar .browser-url{
  font-size:12px;color:var(--text-faint);
  margin-left:12px;background:rgba(255,255,255,.05);
  border-radius:8px;padding:2px 14px;width:100%;
}
.frame-photo{overflow:hidden;border-radius:18px 18px 16px 16px;aspect-ratio:4/3;position:relative}
.frame-photo img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.browser-frame:hover .frame-photo img{transform:scale(1.03)}
.hero-float{
  position:absolute;right:-6px;bottom:-18px;z-index:3;
  background:#171224;border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:12px 18px;
  box-shadow:var(--shadow-hover);
  color:var(--text-main);
  font-size:13px;
  display:flex;align-items:center;gap:10px;
}
.hero-float strong{color:#fff;font-size:15px;font-weight:800}
.hero-float small{color:var(--text-faint)}
.hero-float i{color:var(--brand-cyan);font-size:22px}

/* Section header */
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand-cyan);font-weight:800;font-size:14px;
  letter-spacing:.12em;margin-bottom:10px;
}
.sec-kicker i{font-size:16px}
.section-title{font-size:clamp(26px,3vw,36px);font-weight:900;margin-bottom:14px}
.section-sub{color:var(--text-muted);font-size:16px;max-width:620px}

/* 编号列表 + 标签墙 */
.split-section{background:var(--bg-soft);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.number-list{margin-top:26px;counter-reset:num}
.number-list li{
  display:flex;gap:18px;
  background:var(--bg-card);
  border:1px solid var(--stroke);
  border-radius:20px;
  padding:22px 24px;
  margin-bottom:14px;
  transition:transform .25s ease,border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.number-list li:hover{
  transform:translateY(-4px);
  border-color:rgba(140,82,255,.4);
  background:var(--bg-card-hover);
  box-shadow:var(--shadow-hover);
}
.number-list .num{
  flex:0 0 50px;width:50px;height:50px;
  background:var(--grad-main);
  border-radius:16px;
  display:grid;place-items:center;
  color:#fff;font-weight:900;font-size:17px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 8px 20px rgba(255,61,129,.22);
}
.number-list .step-text h3{font-size:18px;font-weight:700;color:var(--text-main);margin-bottom:5px}
.number-list .step-text p{color:var(--text-muted);font-size:14px;margin:0;line-height:1.8}
.tag-panel{
  background:linear-gradient(150deg,#181126,#120E1B);
  border:1px solid var(--stroke-strong);
  border-radius:30px;
  padding:34px;
  position:sticky;top:100px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-card);
}
.tag-panel p{color:var(--text-muted);font-size:15px}
.tag-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tag-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text-main);
  font-size:14px;font-weight:600;
  padding:8px 15px;border-radius:999px;
  transition:background .2s,border-color .2s,transform .2s;
}
.tag-chip:hover{background:rgba(140,82,255,.18);border-color:rgba(140,82,255,.42);transform:translateY(-2px)}
.tag-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-cyan);flex:0 0 auto}
.tag-chip:nth-child(3n) .dot{background:var(--brand-acc)}
.tag-chip:nth-child(4n) .dot{background:var(--brand-pri)}

/* 使用建议 */
.feature-card{
  height:100%;
  background:var(--bg-card);
  border:1px solid var(--stroke);
  border-radius:24px;
  padding:32px 28px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.feature-card:hover{
  transform:translateY(-5px);
  background:var(--bg-card-hover);
  border-color:rgba(255,61,129,.35);
  box-shadow:var(--shadow-hover);
}
.feature-icon{
  width:56px;height:56px;border-radius:18px;
  background:var(--grad-main);
  display:grid;place-items:center;color:#fff;font-size:24px;
  margin-bottom:20px;
  box-shadow:0 10px 22px rgba(255,61,129,.24);
}
.feature-card h3{font-size:20px;font-weight:800;margin-bottom:9px}
.feature-card p{color:var(--text-muted);font-size:15px;line-height:1.85;margin-bottom:0}

/* 入口推荐卡片 */
.entry-section{position:relative;overflow:hidden}
.entry-section::before{
  content:"";position:absolute;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(140,82,255,.16),transparent 70%);
  top:-100px;right:-120px;pointer-events:none;
}
.entry-section::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,129,.13),transparent 70%);
  bottom:-100px;left:-120px;pointer-events:none;
}
.entry-card{
  height:100%;
  background:var(--bg-card);
  border:1px solid var(--stroke);
  border-radius:24px;
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.entry-card:hover{
  transform:translateY(-6px);
  border-color:rgba(140,82,255,.4);
  box-shadow:0 24px 54px rgba(0,0,0,.55),0 0 44px rgba(140,82,255,.08);
}
.entry-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.05)}
.entry-thumb .state-badge{
  position:absolute;top:14px;left:14px;
  background:rgba(12,10,18,.78);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;padding:5px 13px;
  font-size:12.5px;font-weight:700;
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-cyan);
}
.entry-thumb .state-badge i{font-size:9px;color:var(--brand-cyan)}
.entry-body{padding:24px;display:flex;flex-direction:column;flex:1}
.entry-type{
  display:block;font-size:13px;font-weight:800;
  color:var(--brand-sec);letter-spacing:.06em;
  text-transform:uppercase;margin-bottom:6px;
  text-decoration:none;
}
.entry-body h3{font-size:20px;font-weight:800;margin-bottom:10px;line-height:1.45}
.entry-body p{color:var(--text-muted);font-size:14px;flex:1;line-height:1.85;margin-bottom:18px}
.text-link{
  display:inline-flex;align-items:center;gap:7px;
  color:#fff;font-weight:700;font-size:15px;
  transition:gap .2s ease,color .2s ease;
}
.text-link:hover{color:var(--brand-cyan)}
.text-link:hover i{transform:translateX(3px)}
.text-link i{transition:transform .2s ease}

/* FAQ */
.faq-section{background:var(--bg-soft);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.faq-accordion .accordion-item{
  background:var(--bg-card);
  border:1px solid var(--stroke);
  border-radius:20px !important;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s,background .2s;
}
.faq-accordion .accordion-item:hover{border-color:rgba(255,255,255,.18)}
.faq-accordion .accordion-button{
  background:transparent;
  color:var(--text-main);
  font-size:17px;font-weight:700;
  padding:20px 24px;
  min-height:56px;
  box-shadow:none;
  border:0;
  border-radius:20px !important;
  transition:background .2s;
}
.faq-accordion .accordion-button:not(.collapsed){
  background:rgba(140,82,255,.1);
  color:#fff;
}
.faq-accordion .accordion-button::after{
  content:"";
  width:20px;height:20px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23F7F4FA' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M8 3v10M3 8h10'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:20px;
  flex:0 0 auto;
  transition:transform .28s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23F7F4FA' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M3 8h10'/%3E%3C/svg%3E");
  transform:rotate(0deg);
}
.faq-accordion .accordion-button:focus{box-shadow:none}
.faq-accordion .accordion-button:not(.collapsed):focus-visible{outline:3px solid rgba(255,61,129,.5)}
.faq-accordion .accordion-body{color:var(--text-muted);font-size:15px;line-height:2;padding:6px 24px 24px;border-top:1px solid var(--stroke)}

/* CTA */
.cta-section{padding:90px 0 100px}
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#8C52FF 0%,#D44BE2 45%,#FF3D81 100%);
  border-radius:32px;
  padding:70px 30px;
  text-align:center;
  box-shadow:0 30px 80px rgba(255,61,129,.24);
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:38px 38px;
  pointer-events:none;
}
.cta-card h2{
  font-size:clamp(26px,3.4vw,38px);font-weight:900;
  color:#fff;margin-bottom:16px;
}
.cta-card p{color:rgba(255,255,255,.85);max-width:620px;margin:0 auto 28px;font-size:16px}
.cta-card .btn-white{position:relative;z-index:2}

/* 响应式 */
@media (max-width:1199.98px){
  .header-search{width:180px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .section-pad{padding:70px 0}
  .navbar .container{position:relative}
  .header-tools{display:none !important}
  .mobile-search,.mobile-actions{display:flex !important}
  .navbar-collapse{
    background:#100C18;
    border:1px solid var(--stroke);
    border-radius:22px;
    padding:18px;
    margin-top:12px;
    box-shadow:var(--shadow-hover);
  }
  .navbar-collapse .navbar-nav{margin-bottom:14px !important}
  .navbar-collapse .nav-link{padding:12px 14px !important;border-radius:14px}
  .navbar-collapse .nav-link::after{display:none}
  .navbar-collapse .nav-link.active{background:rgba(140,82,255,.14);color:#fff !important}
  .navbar-collapse .nav-link:hover{background:rgba(255,255,255,.05)}
  .mobile-search{width:100%;margin-bottom:12px}
  .mobile-actions{gap:12px;width:100%}
  .mobile-actions .btn-grad{flex:1;justify-content:center}
  .mobile-actions .header-login{align-items:center;display:inline-flex}
  .browser-frame{max-width:520px;margin:40px auto 0}
  .hero-float{right:10px}
  .tag-panel{position:relative;top:auto;margin-top:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:54px 0 28px}
}
@media (max-width:767.98px){
  .page-hero{padding:46px 0 64px}
  .section-pad{padding:56px 0}
  .section-title{font-size:28px}
  .number-list li{padding:18px 18px}
  .number-list .num{flex-basis:42px;width:42px;height:42px;font-size:15px;border-radius:13px}
  .feature-card{padding:26px 22px}
  .tag-panel{padding:24px}
  .footer-grid{gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575.98px){
  .brand-text{font-size:17px}
  .brand-badge{font-size:11px;padding:1px 7px}
  .hero-actions .btn,.hero-actions .btn-ghost{width:100%}
  .hero-points{gap:8px 16px}
  .cta-card{padding:54px 20px;border-radius:24px}
  .cta-card h2{line-height:1.4}
  .entry-body h3{font-size:18px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root {
            --bg-primary: #0B0910;
            --bg-elevated: #100D18;
            --bg-card: #16121F;
            --bg-card-hover: #1F1830;
            --bg-footer: #08060C;
            --border-line: rgba(255, 255, 255, 0.08);
            --border-line-strong: rgba(255, 255, 255, 0.14);
            --text-main: #F7F4FA;
            --text-secondary: #A89FB8;
            --text-muted: #6F6680;
            --brand-purple: #8C52FF;
            --brand-pink: #FF3D81;
            --brand-orange: #FF9E2C;
            --accent-teal: #3BE8C4;
            --accent-yellow: #FFC857;
            --grad-main: linear-gradient(135deg, #8C52FF 0%, #FF3D81 100%);
            --grad-warm: linear-gradient(135deg, #FF3D81 0%, #FF9E2C 100%);
            --grad-teal: linear-gradient(135deg, #3BE8C4 0%, #8C52FF 100%);
            --radius-card: 24px;
            --radius-box: 18px;
            --radius-pill: 999px;
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.55);
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", "Noto Sans SC", Arial, sans-serif;
            --font-number: "DIN Alternate", "Bahnschrift", "Segoe UI", var(--font-main);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body.menu-open {
            overflow: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
        }

        a {
            color: var(--brand-purple);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--brand-pink);
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ---------- 导航 ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(11, 9, 16, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-line);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header .navbar {
            padding-top: 14px;
            padding-bottom: 14px;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            flex-wrap: nowrap;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--grad-main);
            border-radius: 12px;
            font-size: 21px;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-number);
            box-shadow: 0 4px 18px rgba(140, 82, 255, 0.35);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.02em;
            line-height: 1.3;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            white-space: nowrap;
        }

        .brand-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 800;
            padding: 2px 7px;
            border-radius: var(--radius-pill);
            background: var(--grad-main);
            color: #fff;
            letter-spacing: 0.03em;
            vertical-align: top;
            line-height: 1.5;
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 15px;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            position: relative;
            transition: color 0.25s ease, background 0.3s ease;
            white-space: nowrap;
        }

        .nav-link:hover,
        .nav-link:focus {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.active {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 1px;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            border-radius: 3px;
            background: var(--grad-main);
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            margin-left: 8px;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 7px;
            background: #1A1524;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        .header-search:focus-within {
            border-color: rgba(255, 61, 129, 0.5);
            background: #1F1830;
        }

        .header-search i {
            color: var(--text-muted);
            font-size: 14px;
        }

        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            padding: 2px 0;
            width: 140px;
            transition: width 0.2s;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-login {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 6px 8px;
            border-radius: var(--radius-pill);
            transition: color 0.2s ease, background 0.2s ease;
            white-space: nowrap;
        }

        .header-login:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-grad {
            background: var(--grad-main);
            border: none;
            border-radius: var(--radius-pill);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            padding: 9px 22px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
            box-shadow: 0 4px 16px rgba(140, 82, 255, 0.28);
            white-space: nowrap;
        }

        .btn-grad:hover,
        .btn-grad:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(140, 82, 255, 0.4);
            filter: brightness(1.1);
        }

        .btn-grad:active {
            transform: translateY(0px);
            box-shadow: 0 2px 8px rgba(140, 82, 255, 0.4);
        }

        .navbar-toggler {
            border: 1px solid var(--border-line);
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 8px;
            display: none;
            margin-left: auto;
        }

        .navbar-toggler-icon {
            width: 24px;
            height: 24px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: none;
            position: relative;
        }

        .navbar-toggler-icon::before {
            content: '\F479';
            font-family: 'bootstrap-icons';
            font-size: 22px;
            line-height: 1;
        }

        .navbar-toggler.collapsed .navbar-toggler-icon::before {
            content: '\F479';
        }

        .mobile-search {
            display: none;
        }

        .mobile-actions {
            display: none;
        }

        @media (max-width: 991.98px) {
            .navbar-toggler {
                display: block;
            }
            .header-tools {
                display: none;
            }
            .navbar-collapse {
                position: fixed;
                top: 0;
                right: -320px;
                width: 300px;
                height: 100vh;
                background: var(--bg-elevated);
                border-left: 1px solid var(--border-line);
                padding: 28px 24px;
                transition: right 0.3s ease;
                display: flex;
                flex-direction: column;
                gap: 18px;
                z-index: 1090;
                overflow-y: auto;
                box-shadow: -24px 0 60px rgba(0, 0, 0, 0.55);
            }
            .navbar-collapse.show {
                right: 0;
            }
            .mobile-search {
                display: flex;
                width: 100%;
                margin-top: 18px;
            }
            .mobile-search input {
                flex: 1;
                width: 100%;
            }
            .mobile-actions {
                display: flex;
                flex-direction: column;
                gap: 12px;
                margin-top: 10px;
                align-items: stretch;
            }
            .mobile-actions .header-login {
                text-align: center;
                padding: 10px;
                border: 1px solid var(--border-line);
            }
            .mobile-actions .btn-grad {
                justify-content: center;
            }
            .navbar-nav {
                flex-direction: column;
                gap: 10px;
                margin: 0 !important;
            }
            .nav-link {
                display: block;
            }
            .nav-link.active::after {
                bottom: auto;
                top: 50%;
                left: 0;
                transform: translateY(-50%) rotate(45deg);
                width: 6px;
                height: 6px;
                border-radius: 2px;
            }
            .brand-text {
                font-size: 18px;
            }
        }

        @media (max-width: 380px) {
            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 18px;
                border-radius: 9px;
            }
            .brand-text {
                font-size: 16px;
            }
            .brand-badge {
                font-size: 9px;
                padding: 2px 5px;
            }
        }

        /* ---------- 遮罩层 ---------- */
        .navbar-collapse.show~.nav-backdrop {
            display: block;
        }

        .nav-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1085;
            backdrop-filter: blur(2px);
        }

        /* ---------- 通用板块 ---------- */
        .section {
            padding: 64px 0;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 800;
            letter-spacing: 0.08em;
            color: var(--brand-pink);
            text-transform: uppercase;
            margin-bottom: 8px;
            background: rgba(255, 61, 129, 0.1);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 61, 129, 0.18);
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-desc {
                font-size: 15px;
            }
        }

        /* ---------- 面包屑 ---------- */
        .breadcrumb-wrap {
            padding: 18px 0 12px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .breadcrumb-wrap a {
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .breadcrumb-wrap a:hover {
            color: var(--text-main);
        }

        .breadcrumb-sep {
            margin: 0 8px;
            color: var(--text-muted);
        }

        .breadcrumb-cur {
            color: var(--text-secondary);
        }

        /* ---------- 分类页 Hero ---------- */
        .category-hero {
            position: relative;
            padding: 50px 0 70px;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background:
                linear-gradient(rgba(11, 9, 16, 0.88), rgba(11, 9, 16, 0.96)),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(255, 61, 129, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-line-strong);
            border-radius: var(--radius-pill);
            color: var(--accent-yellow);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            margin-bottom: 18px;
        }

        .category-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin-bottom: 16px;
        }

        .category-hero h1 .grad {
            background: linear-gradient(135deg, #FF8FB6 0%, #C4A1FF 60%, #8C52FF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .category-hero .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 640px;
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .stat-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .stat-pill .num {
            font-size: 18px;
            font-weight: 800;
            font-family: var(--font-number);
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 34px 0 48px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-sub {
                font-size: 15px;
            }
        }

        /* ---------- 排行榜 ---------- */
        .rank-section {
            padding: 56px 0 20px;
        }

        .rank-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
            margin-top: 10px;
        }

        .rank-tab {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-line);
            border-radius: 999px;
            padding: 8px 18px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .rank-tab:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .rank-tab.active {
            background: var(--grad-main);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 18px rgba(255, 61, 129, 0.25);
        }

        .rank-card {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            margin-bottom: 14px;
            transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .rank-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            border-radius: 0 4px 4px 0;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .rank-card:nth-child(1)::before,
        .rank-card.top-1::before {
            background: var(--grad-warm);
            opacity: 1;
        }

        .rank-card:nth-child(2)::before,
        .rank-card.top-2::before {
            background: linear-gradient(180deg, #C0C0C0, #8E8E9A);
            opacity: 0.6;
        }

        .rank-card:nth-child(3)::before,
        .rank-card.top-3::before {
            background: linear-gradient(180deg, #CD7F32, #A05A2C);
            opacity: 0.6;
        }

        .rank-card:hover {
            background: var(--bg-card-hover);
            transform: translateX(8px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 255, 255, 0.14);
        }

        .rank-num {
            flex-shrink: 0;
            width: 60px;
            text-align: center;
            font-family: var(--font-number);
            font-size: 34px;
            font-weight: 800;
            color: var(--text-secondary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .rank-card.top-1 .rank-num {
            font-size: 40px;
            background: linear-gradient(135deg, #FFD700, #FF9E2C);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .rank-card.top-2 .rank-num {
            color: #D8D8E0;
        }

        .rank-card.top-3 .rank-num {
            color: #FFB07C;
        }

        .rank-thumb {
            flex-shrink: 0;
            width: 92px;
            height: 92px;
            border-radius: 16px;
            overflow: hidden;
            background: #0E0B16;
            position: relative;
        }

        .rank-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .rank-thumb .type-tag {
            position: absolute;
            bottom: 4px;
            left: 4px;
            background: rgba(0, 0, 0, 0.75);
            color: var(--text-main);
            font-size: 11px;
            font-weight: 600;
            padding: 1px 8px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-info h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .rank-info .meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .rank-info .meta-row i {
            margin-right: 3px;
            color: var(--text-muted);
        }

        .rank-desc {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .rank-info .popular-tag {
            color: var(--accent-yellow);
            background: rgba(255, 200, 87, 0.1);
            border: 1px solid rgba(255, 200, 87, 0.4);
            padding: 0 8px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }

        .rank-entry {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            margin-left: 8px;
        }

        .rank-entry .heat-num {
            font-size: 16px;
            font-weight: 700;
            font-family: var(--font-number);
            color: var(--accent-teal);
            font-variant-numeric: tabular-nums;
            margin-bottom: 8px;
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.28);
            color: var(--text-main);
            border-radius: var(--radius-pill);
            font-size: 14px;
            padding: 7px 18px;
            transition: all 0.25s ease;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            transform: translateY(-1px);
        }

        @media (max-width: 768px) {
            .rank-card {
                gap: 12px;
                padding: 14px;
                margin-left: -4px;
                margin-right: -4px;
                border-radius: 18px;
            }
            .rank-num {
                width: 38px;
                font-size: 24px;
            }
            .rank-thumb {
                width: 64px;
                height: 64px;
                border-radius: 12px;
            }
            .rank-info h3 {
                font-size: 15px;
                gap: 5px;
            }
            .rank-desc {
                font-size: 12px;
                -webkit-line-clamp: 1;
                line-clamp: 1;
            }
            .rank-info .meta-row {
                font-size: 11px;
                gap: 6px;
            }
            .rank-entry {
                margin-left: 4px;
            }
            .rank-entry .heat-num {
                font-size: 12px;
                margin-bottom: 4px;
            }
            .rank-entry .btn-outline-light {
                font-size: 11px;
                padding: 5px 10px;
            }
            .rank-card:hover {
                transform: none;
            }
        }

        /* ---------- 游戏类型 ---------- */
        .genre-section {
            padding: 56px 0;
        }

        .genre-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .genre-item {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-box);
            padding: 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .genre-item:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .genre-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 12px;
        }

        .genre-icon.purple {
            background: rgba(140, 82, 255, 0.16);
            color: var(--brand-purple);
        }

        .genre-icon.pink {
            background: rgba(255, 61, 129, 0.16);
            color: var(--brand-pink);
        }

        .genre-icon.teal {
            background: rgba(59, 232, 196, 0.14);
            color: var(--accent-teal);
        }

        .genre-icon.amber {
            background: rgba(255, 156, 43, 0.18);
            color: var(--brand-orange);
        }

        .genre-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .genre-item p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .genre-item .count {
            font-size: 13px;
            color: var(--accent-teal);
            font-weight: 600;
        }

        @media (max-width: 991px) {
            .genre-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .genre-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ---------- 双栏精选 ---------- */
        .feature-section {
            padding: 42px 0 64px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 22px;
            transition: all 0.35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 255, 255, 0.14);
        }

        .feature-media {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .feature-media .rank-badge-mini {
            position: absolute;
            top: 12px;
            left: 12px;
            width: 30px;
            height: 30px;
            border-radius: 10px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(4px);
            font-family: var(--font-number);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-yellow);
            font-weight: 800;
            font-size: 16px;
        }

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

        .feature-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .feature-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            flex: 1;
            margin-bottom: 14px;
        }

        .feature-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 992px) {
            .feature-media {
                height: 150px;
            }
        }

        /* ---------- 榜单排名卡（总数榜） ---------- */
        .top-list-scroll {
            margin-top: 20px;
        }

        .total-rank-card {
            display: flex;
            align-items: center;
            gap: 20px;
            width: 100%;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: 20px;
            padding: 24px 30px;
            margin-bottom: 14px;
            transition: background 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
        }

        .total-rank-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(255, 255, 255, 0.18);
            transform: translateX(6px);
        }

        .total-rank-card .idx {
            font-size: 28px;
            font-weight: 800;
            font-family: var(--font-number);
            color: var(--text-muted);
            width: 44px;
            text-align: center;
            font-variant-numeric: tabular-nums;
            flex-shrink: 0;
        }

        .total-rank-card .icon-box {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            overflow: hidden;
            flex-shrink: 0;
            background: #131020;
        }

        .total-rank-card .icon-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .total-rank-card .info {
            flex: 1;
        }

        .total-rank-card .info h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .total-rank-card .info p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 0;
        }

        .total-rank-card .hot {
            font-size: 16px;
            font-weight: 700;
            font-family: var(--font-number);
            color: var(--accent-teal);
            font-variant-numeric: tabular-nums;
            white-space: nowrap;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .total-rank-card {
                padding: 16px;
                gap: 12px;
                border-radius: 16px;
            }
            .total-rank-card .idx {
                font-size: 20px;
                width: 28px;
            }
            .total-rank-card .icon-box {
                width: 44px;
                height: 44px;
                border-radius: 10px;
            }
            .total-rank-card .info h3 {
                font-size: 15px;
            }
            .total-rank-card .info p {
                font-size: 12px;
            }
            .total-rank-card .hot {
                font-size: 12px;
            }
        }

        /* ---------- 数据徽章 ---------- */
        .data-row {
            margin: 30px 0 8px;
        }

        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-card);
            padding: 28px;
            text-align: center;
            transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }

        .data-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .data-card .num {
            font-size: 36px;
            font-weight: 800;
            font-family: var(--font-number);
            font-variant-numeric: tabular-nums;
            background: var(--grad-main);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .data-card .label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        @media (max-width: 768px) {
            .data-row {
                margin-top: 16px;
            }
            .data-card {
                padding: 20px;
                border-radius: 14px;
            }
            .data-card .num {
                font-size: 28px;
            }
        }

        /* ---------- 榜单新增说明区 ---------- */
        .tips-box {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: linear-gradient(90deg, rgba(140, 82, 255, 0.14), rgba(255, 61, 129, 0.14));
            border: 1px solid rgba(255, 61, 129, 0.3);
            border-radius: 16px;
            padding: 16px 20px;
            margin: 24px 0;
        }

        .tips-box .text {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .tips-box .center-link {
            font-size: 14px;
            color: var(--text-main);
            font-weight: 700;
        }

        .tips-box .center-link i {
            margin-right: 6px;
            color: var(--accent-teal);
        }

        @media (max-width: 768px) {
            .tips-box {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            padding: 60px 0;
            background: var(--bg-elevated);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: 16px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-accordion-item:has(.show) {
            border-color: rgba(139, 92, 246, 0.4);
        }

        .faq-q-btn {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 40px 18px 18px;
            color: var(--text-main);
            font-weight: 600;
            text-align: left;
            font-size: 15px;
            position: relative;
            cursor: pointer;
            transition: color 0.2s;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .faq-q-btn:hover {
            color: var(--text-main);
        }

        .faq-q-btn .icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(255, 61, 129, 0.14);
            color: var(--brand-pink);
            font-size: 16px;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
            font-weight: 500;
        }

        .faq-q-btn[aria-expanded="true"] .icon {
            transform: rotate(45deg);
            background: var(--grad-main);
            color: #fff;
        }

        .faq-accordion-body {
            padding: 4px 20px 20px 54px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
        }

        @media (max-width: 768px) {
            .faq-q-btn {
                padding: 15px 34px 15px 14px;
                font-size: 14px;
            }
            .faq-accordion-body {
                padding: 0 16px 16px 48px;
                font-size: 14px;
            }
        }

        /* ---------- CTA ---------- */
        .cta-section {
            padding: 70px 0;
        }

        .cta-gradient {
            background:
                linear-gradient(120deg, rgba(140, 82, 255, 0.23) 0%, rgba(255, 61, 129, 0.18) 50%, rgba(255, 156, 43, 0.16) 100%),
                url('/assets/images/backpic/back-3.webp') center/cover;
            border-radius: 30px;
            padding: 54px 48px;
            position: relative;
            overflow: hidden;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .cta-gradient h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cta-gradient p {
            color: #D9D3E3;
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 24px;
        }

        .cta-gradient .btn-grad {
            font-size: 17px;
            padding: 14px 42px;
        }

        @media (max-width: 768px) {
            .cta-gradient {
                padding: 36px 20px;
                border-radius: 20px;
            }
            .cta-gradient h2 {
                font-size: 24px;
            }
            .cta-gradient p {
                font-size: 14px;
            }
        }

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: var(--bg-footer);
            padding: 52px 0 32px;
            border-top: 1px solid var(--border-line);
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-line);
        }

        .footer-brand-wrap .brand {
            margin-bottom: 14px;
        }

        .footer-brand-wrap p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
            max-width: 320px;
        }

        .badge-grad {
            display: inline-flex;
            align-items: center;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--text-main);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .footer-col ul a:hover {
            color: var(--brand-pink);
            padding-left: 4px;
        }

        .footer-bottom {
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding-top: 36px;
            }
        }

        /* ---------- 底部固定转化条 ---------- */
        .bottom-action-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(17, 14, 24, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-line-strong);
            padding: 10px 20px;
            z-index: 1070;
            transform: translateY(0);
            transition: transform 0.4s ease;
            box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.4);
        }

        .bottom-action-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .bottom-action-bar .bar-text {
            color: var(--text-main);
            font-size: 15px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .bottom-action-bar .bar-text .brand-mark {
            width: 28px;
            height: 28px;
            font-size: 16px;
            border-radius: 8px;
        }

        .bottom-action-bar .bar-buttons {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .bottom-action-bar .btn-grad {
            padding: 7px 16px;
            font-size: 13px;
        }

        .bottom-action-bar.closed {
            transform: translateY(110%);
        }

        .close-bar {
            background: transparent;
            border: none;
            color: var(--text-muted);
            font-size: 20px;
            cursor: pointer;
            padding: 4px;
            line-height: 1;
            transition: color 0.2s;
            margin-left: 4px;
        }

        .close-bar:hover {
            color: var(--text-main);
        }

        body {
            padding-bottom: 56px;
        }

        @media (max-width: 576px) {
            .bottom-action-bar .bar-text {
                font-size: 13px;
            }
            .bottom-action-bar .bar-text .brand-mark {
                width: 24px;
                height: 24px;
                font-size: 14px;
            }
            .bottom-action-bar .bar-buttons .btn-grad {
                padding: 6px 14px;
                font-size: 13px;
            }
            .bottom-action-bar .btn-outline-light {
                display: none;
            }
        }

        /* ---------- 焦点态 ---------- */
        :focus-visible {
            outline: 2px solid rgba(255, 61, 129, 0.65);
            outline-offset: 3px;
        }

        ::selection {
            background: rgba(140, 82, 255, 0.4);
            color: #fff;
        }

        /* ---------- 动画 ---------- */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-up {
            animation: fadeUp 0.7s ease forwards;
            opacity: 0;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }

        .delay-2 {
            animation-delay: 0.2s;
        }

/* roulang page: category3 */
/* ===== CSS Variables ===== */
        :root {
            --bg-deep: #08060C;
            --bg-base: #0B0910;
            --bg-card: #16121F;
            --bg-card-hover: #1F1830;
            --bg-soft: #1B1626;
            --border-line: rgba(255, 255, 255, 0.08);
            --text-main: #F7F4FA;
            --text-sub: #A89FB8;
            --text-weak: #6F6680;
            --grad-main: linear-gradient(90deg, #8C52FF 0%, #FF3D81 100%);
            --grad-accent: linear-gradient(90deg, #FF3D81 0%, #FF9E2C 100%);
            --grad-brand: linear-gradient(135deg, #8C52FF 0%, #FF3D81 100%);
            --color-mint: #3BE8C4;
            --color-warm: #FFC857;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-main: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 18px 48px rgba(0, 0, 0, 0.55), 0 0 40px rgba(140, 82, 255, 0.15);
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", "Noto Sans SC", Arial, sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            background-color: var(--bg-base);
            color: var(--text-main);
            font-size: 15px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--text-main);
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1220px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
            width: 100%;
        }

        .text-gradient {
            background: linear-gradient(120deg, #A78BFA 0%, #FF6B9D 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-fill-color: transparent;
        }

        /* ===== Site Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 9, 16, 0.82);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-line);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.is-scrolled {
            background: rgba(8, 6, 12, 0.96);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
        }

        .site-header .navbar {
            padding-top: 12px;
            padding-bottom: 12px;
            min-height: 72px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            background: var(--grad-main);
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 21px;
            font-weight: 800;
            line-height: 1;
            box-shadow: 0 4px 14px rgba(140, 82, 255, 0.4);
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            align-items: center;
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0;
            white-space: nowrap;
        }

        .brand-text .brand-badge {
            display: inline-flex;
            align-items: center;
            background: linear-gradient(135deg, #FF3D81, #FF9E2C);
            font-size: 11px;
            font-weight: 800;
            color: #fff;
            padding: 2px 8px;
            border-radius: 999px;
            margin-left: 7px;
            letter-spacing: 1px;
            line-height: 1.6;
        }

        .navbar-nav {
            gap: 2px;
        }

        .nav-link {
            padding: 8px 16px !important;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-sub);
            position: relative;
            transition: color 0.25s ease, background 0.25s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.active {
            color: #fff;
            background: linear-gradient(90deg, rgba(140, 82, 255, 0.15), rgba(255, 61, 129, 0.15));
            position: relative;
        }

        .nav-link.active::after {
            content: "";
            display: block;
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, #8C52FF, #FF3D81);
        }

        .nav-link:focus-visible,
        .header-login:focus-visible,
        .btn-grad:focus-visible,
        .toc-link:focus-visible,
        .footer-bottom a:focus-visible {
            outline: 2px solid rgba(255, 61, 129, 0.65);
            outline-offset: 3px;
        }

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

        .header-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--border-line);
            border-radius: 999px;
            padding: 7px 14px;
            transition: border-color 0.25s ease, background 0.25s ease;
            min-width: 198px;
        }

        .header-search:focus-within {
            border-color: rgba(140, 82, 255, 0.6);
            background: rgba(255, 255, 255, 0.09);
        }

        .header-search i {
            font-size: 13px;
            color: var(--text-weak);
        }

        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 13px;
            width: 100%;
        }

        .header-search input::placeholder {
            color: var(--text-weak);
        }

        .header-login {
            font-size: 14px;
            color: var(--text-sub);
            font-weight: 600;
            text-decoration: none;
            white-space: nowrap;
            padding: 6px 6px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .header-login:hover {
            color: #fff;
        }

        .btn-grad {
            background: linear-gradient(135deg, #8C52FF 0%, #FF3D81 100%);
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 10px 28px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            white-space: nowrap;
            transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
            box-shadow: 0 6px 18px rgba(255, 61, 129, 0.22);
            text-decoration: none;
            cursor: pointer;
        }

        .btn-grad i {
            transition: transform 0.25s ease;
        }

        .btn-grad:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 61, 129, 0.35);
            filter: brightness(1.08);
        }

        .btn-grad:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(255, 61, 129, 0.25);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-sub);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            padding: 10px 20px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.25s ease, background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            text-decoration: none;
        }

        .btn-ghost:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        .mobile-search,
        .mobile-actions {
            display: none;
        }

        .navbar-toggler {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-line);
            border-radius: 10px;
            padding: 6px 10px;
            outline: none;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 61, 129, 0.4);
        }

        .navbar-toggler-icon {
            background-image: none;
            display: inline-block;
            width: 22px;
            height: 22px;
            position: relative;
        }

        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after {
            content: "";
            position: absolute;
            left: 3px;
            right: 3px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.2s ease;
        }

        .navbar-toggler-icon::before {
            top: 6px;
            box-shadow: 0 6px 0 #fff;
        }

        .navbar-toggler-icon::after {
            top: 18px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--bg-deep);
            border-top: 1px solid var(--border-line);
            padding-top: 72px;
            padding-bottom: 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.9fr 0.9fr 0.9fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .site-footer .brand {
            margin-bottom: 16px;
        }

        .brand-wrap p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
            max-width: 330px;
        }

        .footer-col h4 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col li a {
            color: var(--text-sub);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-col li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-line);
            padding-top: 26px;
            margin-top: 8px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            color: var(--text-weak);
            font-size: 13px;
            align-items: center;
        }

        .footer-bottom .d-flex {
            color: var(--text-weak);
            font-size: 13px;
        }

        .footer-bottom a {
            color: var(--text-weak);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-area {
            padding-top: 28px;
            padding-bottom: 8px;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb-nav a {
            color: var(--text-sub);
            text-decoration: none;
        }

        .breadcrumb-nav a:hover {
            color: #fff;
        }

        .breadcrumb-nav .sep {
            color: var(--text-weak);
            opacity: 0.6;
        }

        .breadcrumb-nav .current {
            color: var(--text-weak);
            opacity: 0.8;
            text-overflow: ellipsis;
            overflow: hidden;
            white-space: nowrap;
            max-width: 240px;
        }

        /* ===== Page Hero ===== */
        .cat-hero {
            padding-top: 46px;
            padding-bottom: 30px;
            position: relative;
            overflow: hidden;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(140, 82, 255, 0.13), transparent 65%);
            pointer-events: none;
            border-radius: 50%;
        }

        .cat-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-line);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 20px;
        }

        .cat-hero .hero-badge i {
            color: var(--color-mint);
            font-size: 14px;
        }

        .cat-hero h1 {
            font-size: 46px;
            line-height: 1.25;
            font-weight: 800;
            margin: 0 0 4px 0;
            color: #fff;
        }

        .cat-hero .h1-subtext {
            font-size: 34px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .cat-hero .hero-content {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(0, 260px);
            gap: 46px;
        }

        .cat-hero .hero-copy {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: center;
        }

        .cat-hero .hero-lead {
            color: var(--text-sub);
            font-size: 16px;
            line-height: 1.9;
            margin: 16px 0 22px 0;
            max-width: 580px;
        }

        .hero-tags {
            display: flex;
            align-items: flex-start;
            justify-content: center;
            background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.005));
            border: 1px solid var(--border-line);
            border-radius: 24px;
            padding: 28px 26px;
            backdrop-filter: blur(4px);
        }

        .hero-tags .tag-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            align-content: flex-start;
        }

        .hero-tag-chip {
            display: inline-block;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.8;
            padding: 5px 14px;
            transition: all 0.2s ease;
            cursor: default;
        }

        .hero-tag-chip:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .hero-tag-chip.chip-hot {
            color: var(--color-warm);
            border-color: rgba(255, 200, 87, 0.18);
        }

        .hero-tag-chip.chip-mint {
            color: var(--color-mint);
            border-color: rgba(59, 232, 196, 0.18);
        }

        /* key visual */
        .hero-visual {
            margin-top: 30px;
            padding: 10px 10px 0 0;
            position: relative;
        }

        .hero-visual img {
            border-radius: 18px;
            border: 1px solid var(--border-line);
            max-height: 380px;
            object-fit: cover;
            width: 100%;
        }

        .hero-visual::before {
            content: "";
            position: absolute;
            bottom: 12px;
            left: -6px;
            width: 130px;
            height: 130px;
            background: radial-gradient(circle, rgba(255, 61, 129, 0.25), transparent 70%);
            z-index: 0;
            border-radius: 50%;
            pointer-events: none;
        }

        /* Category specific */
        .category-hero {
            padding-top: 44px;
            padding-bottom: 36px;
        }

        .guide-hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 52px;
            align-items: center;
        }

        .guide-hero-copy h1 {
            margin-bottom: 8px;
        }

        .guide-hero-copy h1 .keyword_pink {
            color: #FF6B9D;
        }

        .guide-hero-subtext {
            font-size: 17px;
            color: var(--text-sub);
            margin: 12px 0 26px 0;
            line-height: 1.9;
            max-width: 570px;
        }

        .guide-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 22px;
        }

        .guide-wall-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
        }

        .guide-wall-tags .tag-light {
            display: inline-block;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-line);
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-sub);
            padding: 4px 13px;
            transition: all 0.2s;
        }

        .guide-wall-tags .tag-light:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.2);
        }

        .guide-hero-visual {
            position: relative;
        }

        .guide-hero-visual .photo-card {
            border-radius: 28px;
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            box-shadow: var(--shadow-main);
            position: relative;
            z-index: 1;
        }

        .guide-hero-visual .photo-card img {
            width: 100%;
            max-height: 430px;
            object-fit: cover;
            display: block;
        }

        .guide-hero-visual .photo-card::after {
            content: "";
            position: absolute;
            inset: auto 0 0 0;
            height: 40%;
            background: linear-gradient(to bottom, transparent, rgba(8, 6, 12, 0.6));
            pointer-events: none;
        }

        .floating-info {
            position: absolute;
            left: 20px;
            bottom: 18px;
            right: 20px;
            background: rgba(22, 18, 31, 0.7);
            backdrop-filter: blur(8px);
            border-radius: 18px;
            padding: 16px 22px;
            z-index: 3;
        }

        .floating-info .info-date {
            font-size: 13px;
            color: var(--text-sub);
        }

        .floating-info h3 {
            font-size: 16px;
            color: #fff;
            margin: 2px 0 4px 0;
            line-height: 1.4;
        }

        .floating-info .click-tag {
            background: linear-gradient(135deg, #FF3D81, #FF9E2C);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            border-radius: 999px;
            padding: 2px 14px;
            display: inline-block;
            letter-spacing: 0.3px;
        }

        .floating-point-mint {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(11, 9, 16, 0.85);
            border: 1px solid var(--border-line);
            border-radius: 16px;
            padding: 14px 17px;
            z-index: 3;
            backdrop-filter: blur(5px);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .floating-point-mint i,
        .floating-point-mint small {
            color: var(--color-mint);
        }

        .floating-point-mint small {
            font-weight: 700;
            font-size: 13px;
            letter-spacing: 0.4px;
        }

        /* ===== Guide index section ===== */
        .section-guide-index {
            padding: 72px 0 60px;
            position: relative;
        }

        .section-title {
            margin-bottom: 44px;
        }

        .section-title .overline {
            display: inline-block;
            color: #FF8AB5;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .section-title h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .section-title .desc {
            color: var(--text-sub);
            font-size: 16px;
            max-width: 640px;
        }

        .guide-main-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 310px;
            gap: 64px;
        }

        /* Index list */
        .top-stories .guide-list-group {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .guide-list-item {
            display: flex;
            gap: 14px;
            padding: 18px 18px;
            background: var(--bg-card);
            border: 1px solid transparent;
            border-radius: 20px;
            transition: border-color 0.3s, background 0.3s, transform 0.3s;
        }

        .guide-list-item:hover {
            border-color: rgba(255, 255, 255, 0.12);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
        }

        .guide-list-item .guide-index {
            font-size: 50px;
            line-height: 1;
            font-weight: 800;
            color: transparent;
            background: linear-gradient(180deg, #fff, #666);
            background-clip: text;
        }

        .guide-list-item .guide-count {
            font-size: 44px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.07);
            text-align: right;
            flex: 0 0 auto;
        }

        .guide-list-item:nth-child(1) .guide-count {
            color: rgba(255, 154, 0, 0.25);
        }

        .guide-list-item:nth-child(2) .guide-count {
            color: rgba(178, 118, 255, 0.25);
        }

        .guide-list-item:nth-child(3) .guide-count {
            color: rgba(255, 209, 105, 0.2);
        }

        .guide-list-item .guide-item-body {
            flex: 1;
            min-width: 0;
        }

        .guide-item-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-warm);
            border: 1px solid rgba(255, 200, 87, 0.2);
            background: rgba(255, 200, 87, 0.06);
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 7px;
        }

        .guide-item-body h3 {
            font-size: 21px;
            font-weight: 700;
            margin: 0 0 5px 0;
            color: #fff;
            line-height: 1.45;
        }

        .guide-item-body p {
            color: var(--text-sub);
            font-size: 14px;
            margin: 0 0 12px 0;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-item-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 13px;
            color: var(--text-weak);
        }

        .guide-item-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .guide-item-meta i {
            font-size: 12px;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--color-mint);
            font-size: 14px;
            font-weight: 600;
            margin-top: 10px;
            text-decoration: none;
        }

        .btn-read-more i {
            transition: transform 0.2s ease;
        }

        .btn-read-more:hover {
            color: #4df3d6;
        }

        .btn-read-more:hover i {
            transform: translateX(4px);
        }

        .view-all-link {
            display: inline-flex;
            gap: 8px;
            align-items: center;
            border: 1px solid var(--border-line);
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 14px;
            color: var(--text-sub);
            transition: all 0.2s ease;
        }

        .view-all-link:hover {
            color: #fff;
            border-color: rgba(255, 61, 129, 0.3);
            background: rgba(255, 61, 129, 0.05);
        }

        .load-more-wrap {
            margin-top: 26px;
            display: flex;
            justify-content: center;
        }

        /* Sidebar */
        .guide-sidebar {
            position: sticky;
            top: 100px;
            height: fit-content;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: border-color 0.3s ease;
        }

        .sidebar-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 20px 0;
            display: flex;
            align-items: center;
            gap: 9px;
        }

        .sidebar-card .card-title i {
            color: var(--color-mint);
            font-size: 20px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            border-radius: 999px;
            border: 1px solid var(--border-line);
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-sub);
            font-size: 13px;
            text-decoration: none;
            transition: border-color 0.25s, background 0.25s, color 0.25s;
        }

        .tag-cloud a:hover {
            color: #fff;
            background: rgba(255, 61, 129, 0.08);
            border-color: rgba(255, 61, 129, 0.3);
        }

        .tag-cloud a .count {
            font-size: 11px;
            color: var(--text-weak);
        }

        .popular-side-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .popular-side-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }

        .popular-side-list li a {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--text-sub);
            font-size: 15px;
            text-decoration: none;
            transition: color 0.2s ease;
            line-height: 1.5;
        }

        .popular-side-list li a:hover {
            color: #fff;
        }

        .popular-side-list li .rank-badge {
            display: inline-flex;
            width: 22px;
            height: 22px;
            border-radius: 8px;
            background: rgba(140, 82, 255, 0.15);
            color: #A78BFA;
            font-size: 13px;
            font-weight: 700;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .popular-side-list li:first-child .rank-badge {
            background: rgba(255, 210, 98, 0.18);
            color: #FFC857;
        }

        .popular-side-list li:nth-child(2) .rank-badge {
            background: rgba(221, 184, 255, 0.15);
            color: #E9C9FF;
        }

        .popular-side-list li:nth-child(3) .rank-badge {
            background: rgba(255, 61, 129, 0.15);
            color: #FF8AB5;
        }

        /* ===== Section quick steps ===== */
        .section-quick-steps {
            padding: 72px 0 30px;
        }

        .section-quick-steps .guide-line {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 12px;
            margin-top: 12px;
        }

        .guide-line .guide-step {
            position: relative;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-line);
            border-radius: 19px;
            padding: 18px 24px 18px 85px;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        .guide-step .step-kicker {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 30px;
            font-weight: 800;
            color: var(--color-mint);
            line-height: 1;
            font-style: normal;
            opacity: 0.25;
            width: 28px;
        }

        .guide-step h4 {
            margin: 0 0 5px;
            font-size: 18px;
            color: #fff;
            font-weight: 700;
            transition: color 0.15s ease;
        }

        .guide-step:hover {
            border-color: rgba(255, 255, 255, 0.15);
            background: #1a1429;
        }

        .guide-step p {
            margin: 0;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.6;
        }

        .quad-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 28px;
        }

        .quad-step {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            text-align: left;
            padding: 28px 24px 24px;
            transition: box-shadow 0.3s, transform 0.3s;
        }

        .quad-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 61, 129, 0.2);
        }

        .quad-step .icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 15px;
            background: linear-gradient(135deg, rgba(140, 82, 255, 0.2), rgba(255, 61, 129, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 22px;
            color: #fff;
        }

        .quad-step h4 {
            font-size: 17px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .quad-step .desc-gray {
            margin: 0;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== CTA band ===== */
        .cta-panel {
            padding: 80px 0 40px;
        }

        .cta-wrapper {
            border-radius: 32px;
            background: linear-gradient(130deg, #150F24, #1D1134 60%, #211226);
            border: 1px solid rgba(255, 61, 129, 0.12);
            padding: 70px 40px;
            overflow: hidden;
            position: relative;
        }

        .cta-wrapper::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -50px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(140, 82, 255, 0.24), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-wrapper::after {
            content: "";
            position: absolute;
            left: -50px;
            bottom: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 61, 129, 0.12), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-content h2 {
            font-size: 38px;
            color: #fff;
            font-weight: 800;
            margin: 0 0 16px 0;
            line-height: 1.25;
        }

        .cta-content h2 .text-gradient-2 {
            background: linear-gradient(135deg, #FF9C3C, #FF3D81);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .cta-content p {
            color: var(--text-sub);
            font-size: 17px;
            max-width: 560px;
            margin: 0 auto 30px;
        }

        .cta-actions {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            justify-content: center;
        }

        /* ===== Empty info notice ===== */
        .info-note {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px dashed rgba(255, 255, 255, 0.15);
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-weak);
        }

        .info-note i {
            color: var(--color-mint);
        }

        /* ===== Media Queries ===== */
        @media (max-width: 1200px) {
            .guide-main-layout {
                grid-template-columns: 1fr 260px;
                gap: 40px;
            }
            .quad-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991.98px) {
            .brand-text {
                font-size: 17px;
            }
            .header-tools {
                display: none;
            }
            .navbar-collapse {
                background: rgba(11, 9, 16, 0.98);
                border-radius: 18px;
                padding: 20px 22px;
                margin-top: 12px;
                border: 1px solid var(--border-line);
            }
            .navbar-nav {
                gap: 2px;
                width: 100%;
                margin-bottom: 18px !important;
                display: flex;
                flex-direction: column;
                gap: 4px;
            }
            .nav-link {
                display: block;
                text-align: left;
                padding-left: 14px;
                border-radius: 12px;
            }
            .nav-link.active {
                background: linear-gradient(90deg, rgba(140, 82, 255, 0.25), rgba(255, 61, 129, 0.1));
            }
            .nav-link.active::after {
                display: none;
            }
            .active.nav-link::before {
                content: "";
                width: 4px;
                border-radius: 4px;
                background: linear-gradient(var(--grad-main));
                position: absolute;
                left: 0;
                top: 25%;
                bottom: 25%;
            }
            .mobile-search {
                display: flex;
                margin-bottom: 16px;
                width: 100%;
                background: rgba(0, 0, 0, 0.25);
            }
            .mobile-actions {
                display: flex;
                gap: 12px;
                align-items: center;
                justify-content: flex-start;
                flex-wrap: wrap;
            }
            .mobile-actions .header-login {
                justify-content: flex-start;
            }
            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 18px;
                border-radius: 10px;
            }
            .guide-hero-grid {
                grid-template-columns: 1fr;
                gap: 34px;
            }
            .guide-hero-visual {
                width: 80%;
                margin: 0 auto;
            }
            .guide-main-layout {
                grid-template-columns: 1fr;
                gap: 50px;
            }
            .guide-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar-card:last-child {
                grid-column: span 2;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-mark {
                display: none;
            }
            .brand-text {
                font-size: 15px;
            }
            .brand-text .brand-badge {
                font-size: 10px;
                margin-left: 4px;
            }
            .cat-hero {
                padding-top: 34px;
                padding-bottom: 20px;
            }
            .cat-hero h1 {
                font-size: 30px;
            }
            .cat-hero .h1-subtext {
                font-size: 28px;
            }
            .cat-hero .hero-content {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .hero-tags {
                padding: 20px;
                border-radius: 18px;
            }
            .section-title h2 {
                font-size: 24px;
            }
            .section-title .desc {
                font-size: 14px;
            }
            .section-guide-index,
            .section-quick-steps {
                padding: 40px 0 10px;
            }
            .guide-list-item {
                padding: 16px 12px;
            }
            .guide-list-item .guide-count {
                display: none;
            }
            .guide-item-body h3 {
                font-size: 18px;
            }
            .guide-item-body p {
                font-size: 13px;
            }
            .quad-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .guide-hero-visual {
                width: 100%;
            }
            .guide-sidebar {
                grid-template-columns: 1fr;
            }
            .sidebar-card:last-child {
                grid-column: auto;
            }
            .guide-wall-tags {
                gap: 6px;
            }
            .guide-wall-tags .tag-light {
                font-size: 12px;
                padding: 3px 9px;
            }
            .cta-wrapper {
                padding: 44px 20px;
                border-radius: 20px;
            }
            .cta-content h2 {
                font-size: 25px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                gap: 10px;
            }
            .cta-actions .btn-grad,
            .cta-actions .btn-ghost {
                justify-content: center;
            }
            .site-footer {
                padding-top: 46px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .guide-step {
                padding: 16px 16px 16px 60px;
            }
            .guide-step .step-kicker {
                left: 16px;
                font-size: 22px;
                width: 22px;
            }
            .footer-bottom .d-flex {
                font-size: 12px;
            }
            .floating-point-mint {
                padding: 8px 12px;
                top: 8px;
                right: 8px;
            }
            .floating-point-mint small {
                font-size: 11px;
            }
            .floating-point-mint i {
                font-size: 16px;
            }
            .guide-hero-subtext {
                font-size: 15px;
            }
        }

.bottom-fixed-bar {
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(6, 4, 9, 0.92);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 1030;
            padding: 9px 14px;
            transform: translateY(0);
            transition: transform 0.35s ease;
        }

        .bottom-fixed-bar.is-hidden {
            transform: translateY(110%);
        }

        .fixed-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            max-width: 980px;
            margin: 0 auto;
        }

        .fixed-bar-copy {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
            color: var(--text-main);
            flex: 1;
            min-width: 0;
        }

        .fixed-text {
            font-weight: 700;
            font-size: 16px;
            white-space: nowrap;
        }

        .fixed-subtext {
            color: var(--text-sub);
            font-size: 13px;
        }

        .fixed-btn {
            padding: 9px 18px;
            font-size: 14px;
        }

        .btn-close-fixed {
            background: transparent;
            border: none;
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1;
            padding: 6px 4px;
            transition: color 0.2s ease;
            cursor: pointer;
        }

        .btn-close-fixed:hover {
            color: #fff;
        }

        .bottom-fixed-bar + main,
        .bottom-fixed-bar + .site-footer {
            margin-bottom: 0;
        }

        body {
            padding-bottom: 52px;
        }

        @media (max-width: 576px) {
            .bottom-fixed-bar {
                padding: 7px 12px;
            }
            .fixed-text {
                font-size: 14px;
            }
            .fixed-subtext {
                display: none;
            }
            .fixed-btn {
                font-size: 13px;
                padding: 7px 14px;
            }
        }

/* roulang page: category4 */
:root {
  --bg-page: #0B0910;
  --bg-nav: #100D16;
  --bg-footer: #08060C;
  --bg-card: #16121F;
  --bg-card-hover: #1F1830;
  --bg-soft: #1B1428;
  --border: rgba(255,255,255,.08);
  --border-strong: rgba(255,255,255,.14);
  --text: #F7F4FA;
  --text-sub: #A89FB8;
  --text-weak: #6F6680;
  --brand-1: #8C52FF;
  --brand-2: #FF3D81;
  --brand-3: #FF9E2C;
  --accent: #3BE8C4;
  --warn: #FFC857;
  --grad-main: linear-gradient(135deg,#8C52FF 0%,#FF3D81 100%);
  --grad-warm: linear-gradient(135deg,#FF3D81 0%,#FF9E2C 100%);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-md: 0 10px 30px rgba(0,0,0,.34);
  --shadow-lg: 0 22px 56px rgba(0,0,0,.6);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", "Noto Sans SC", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-page);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--text-sub); text-decoration: none; transition: color .25s, background .25s, border-color .25s, transform .25s, box-shadow .25s; }
a:hover { color: var(--text); }
button { font-family: inherit; }
.container { max-width: 1240px; padding-left: 24px; padding-right: 24px; }
section { padding: 80px 0; }
:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255,61,129,.32) !important;
  border-radius: 8px;
}

.text-grad {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-grad-warm {
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--grad-main);
  border-radius: 99px;
}

h1,h2,h3,h4,h5 {
  color: var(--text);
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 14px;
}
p { margin: 0 0 14px; color: var(--text-sub); }
.section-head { margin-bottom: 44px; }
.section-head h2 { font-size: clamp(26px,3.4vw,36px); letter-spacing: -.4px; }
.section-head p { max-width: 700px; margin: 0 auto; }

.btn {
  border-radius: 999px;
  padding: 12px 26px;
  font-weight: 600;
  transition: transform .25s, box-shadow .25s;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-grad {
  background: var(--grad-main);
  border: 0;
  color: #fff !important;
  padding: 12px 28px;
  box-shadow: 0 8px 24px rgba(255,61,129,.22);
}
.btn-grad:hover {
  color: #fff !important;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(140,82,255,.34);
}
.btn-line {
  background: transparent;
  border: 1px solid rgba(255,255,255,.22);
  color: var(--text);
}
.btn-line:hover {
  border-color: rgba(255,255,255,.48);
  color: var(--text);
  background: rgba(255,255,255,.06);
  transform: translateY(-2px);
}
.btn-line i,
.btn-grad i { margin-left: 6px; transition: transform .2s; }
.btn-line:hover i,
.btn-grad:hover i { transform: translateX(3px); }

/* 共享导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(16,13,22,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .navbar { padding: 12px 0; }
.site-header .container { align-items: center; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -.3px;
  min-width: 0;
  white-space: nowrap;
}
.brand:hover { color: var(--text); }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--grad-main);
  color: #fff;
  font-size: 19px;
  font-weight: 800;
  flex: 0 0 auto;
  box-shadow: 0 6px 18px rgba(140,82,255,.28);
}
.brand-text {
  display: inline-flex;
  align-items: baseline;
  font-size: 19px;
}
.brand-badge {
  margin-left: 7px;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--grad-main);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .4px;
  transform: translateY(-1px);
}
.site-header .navbar-nav { gap: 6px; }
.site-header .nav-link {
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 600;
  padding: 8px 14px !important;
  border-radius: 999px;
  position: relative;
  transition: color .2s, background .2s;
}
.site-header .nav-link:hover {
  color: var(--text);
  background: rgba(255,255,255,.055);
}
.site-header .nav-link.active {
  color: #fff;
  background: rgba(255,61,129,.12);
}
.site-header .nav-link.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 3px;
  border-radius: 3px;
  background: var(--grad-main);
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 12px;
}
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 6px 4px 14px;
  transition: border-color .2s, background .2s;
}
.header-search:focus-within {
  border-color: rgba(255,61,129,.55);
  background: rgba(255,255,255,.09);
}
.header-search i { color: var(--text-weak); font-size: 14px; margin-right: 6px; }
.header-search input {
  border: 0;
  background: transparent;
  color: var(--text);
  width: 118px;
  font-size: 13px;
  padding: 5px 0;
}
.header-search input::placeholder { color: var(--text-weak); }
.header-search input:focus { outline: none; box-shadow: none; }
.header-login {
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 8px;
  white-space: nowrap;
}
.header-login:hover { color: #fff; }
.site-header .btn-sm { padding: 8px 20px; font-size: 14px; white-space: nowrap; }
.mobile-search,
.mobile-actions { display: none; }
.navbar-toggler {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 11px;
  background: rgba(255,255,255,.05);
}
.navbar-toggler:active { transform: scale(.96); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.88)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (min-width: 992px) {
  .navbar-expand-lg .navbar-collapse { display: flex; flex: 1 0 0%; align-items: center; }
  .navbar-expand-lg .navbar-nav { margin-left: auto; margin-right: auto; flex-direction: row; gap: 4px; }
  .header-tools .mobile-search { display: none; }
}
@media (max-width: 991.98px) {
  .site-header .navbar > .container { position: relative; }
  .mobile-search,
  .mobile-actions { display: flex; }
  .navbar-collapse {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 100%;
    background: #131020;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow-lg);
  }
  .navbar-collapse .navbar-nav { margin: 8px 0 14px; }
  .navbar-collapse .nav-link {
    border-radius: 12px;
    padding: 12px 14px !important;
  }
  .mobile-search { width: 100%; margin-bottom: 12px; }
  .header-tools { display: none; }
  .mobile-actions {
    gap: 10px;
    width: 100%;
  }
  .mobile-actions .header-login {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 18px;
    background: rgba(255,255,255,.04);
  }
  .mobile-actions .btn-grad { flex: 1; justify-content: center; text-align: center; }
}

/* 帮助中心顶部 */
.help-hero {
  position: relative;
  padding: 70px 0 78px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(11,9,16,.72) 0%, rgba(11,9,16,.95) 100%),
    url("/assets/images/backpic/back-1.webp") center center / cover no-repeat;
  border-bottom: 1px solid var(--border);
}
.help-hero::before,
.help-hero::after {
  content: "";
  position: absolute;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}
.help-hero::before {
  left: -160px;
  top: -120px;
  background: radial-gradient(circle, rgba(140,82,255,.24), transparent 65%);
}
.help-hero::after {
  right: -160px;
  bottom: -160px;
  background: radial-gradient(circle, rgba(255,61,129,.15), transparent 65%);
}
.help-hero .container { position: relative; z-index: 2; }
.breadcrumb-nav { margin-bottom: 22px; }
.breadcrumb-nav .breadcrumb {
  justify-content: center;
  background: transparent;
  margin: 0;
  padding: 0;
}
.breadcrumb-nav .breadcrumb-item,
.breadcrumb-nav .breadcrumb-item a {
  font-size: 13px;
  color: var(--text-sub);
  text-decoration: none;
}
.breadcrumb-nav .breadcrumb-item a:hover { color: #fff; }
.breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  color: var(--text-weak);
  padding: 0 7px;
}
.breadcrumb-nav .breadcrumb-item.active { color: var(--text-weak); }
.help-hero h1 {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.22;
  letter-spacing: -1px;
  text-align: center;
  margin-bottom: 16px;
}
.help-hero .hero-lead {
  max-width: 720px;
  margin: 0 auto 34px;
  text-align: center;
  color: var(--text-sub);
  font-size: 17px;
}
.hero-search-panel {
  max-width: 780px;
  margin: 0 auto;
  background: rgba(255,255,255,.055);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 6px;
  display: flex;
  align-items: center;
  backdrop-filter: blur(8px);
  box-shadow: 0 16px 44px rgba(0,0,0,.38);
}
.hero-search-panel > i {
  color: var(--text-sub);
  font-size: 18px;
  padding-left: 16px;
  padding-right: 6px;
}
.hero-search-panel input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 15px;
  padding: 12px 8px;
}
.hero-search-panel input::placeholder { color: var(--text-weak); }
.hero-search-panel input:focus { outline: none; box-shadow: none; }
.hero-search-panel .btn { flex: 0 0 auto; border-radius: 999px; }
.hero-search-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.hero-search-tags .tip { color: var(--text-weak); font-size: 13px; line-height: 30px; }
.hero-search-tags a {
  font-size: 13px;
  color: var(--text-sub);
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  padding: 3px 14px;
  border-radius: 999px;
}
.hero-search-tags a:hover {
  color: #fff;
  border-color: rgba(255,61,129,.45);
  background: rgba(255,61,129,.1);
}

/* 帮助主题卡片 */
.help-topics { padding-top: 78px; }
.help-card {
  display: block;
  height: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  position: relative;
  transition: transform .3s, border-color .3s, background .3s, box-shadow .3s;
}
.help-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: rgba(255,61,129,.35);
  box-shadow: 0 20px 48px rgba(0,0,0,.55), 0 0 0 1px rgba(255,61,129,.12);
}
.help-card .help-ico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 17px;
  background: var(--grad-main);
  color: #fff;
  font-size: 26px;
  margin-bottom: 18px;
  box-shadow: 0 8px 22px rgba(140,82,255,.24);
}
.help-card h3 {
  font-size: 19px;
  margin-bottom: 9px;
  transition: color .2s;
}
.help-card p { font-size: 14px; line-height: 1.75; margin-bottom: 18px; color: var(--text-sub); }
.help-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.help-card .card-link i { font-size: 13px; -webkit-text-fill-color: #FF9E2C; color: #FF9E2C; transition: transform .2s; }
.help-card:hover .card-link i { transform: translateX(4px); }
.help-card:nth-child(3n+2) .help-ico { background: var(--grad-warm); }
.help-card:nth-child(3n+3) .help-ico { background: linear-gradient(135deg, #3BE8C4, #8C52FF); }

/* 排查步骤 */
.trouble-section {
  background: linear-gradient(180deg, var(--bg-page) 0%, #120D1B 50%, var(--bg-page) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.step-wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 22px 20px;
  height: 100%;
  transition: transform .25s, border-color .25s, background .25s;
}
.step-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--grad-main);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 12px;
}
.step-card:nth-child(2) .step-num { background: var(--grad-warm); }
.step-card:nth-child(3) .step-num { background: linear-gradient(135deg,#3BE8C4,#8C52FF); }
.step-card:nth-child(4) .step-num { background: linear-gradient(135deg,#FFC857,#FF3D81); }
.step-card h3 { font-size: 16px; margin-bottom: 6px; }
.step-card p { font-size: 13px; margin: 0; line-height: 1.7; }
.tip-panel {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  background:
    linear-gradient(180deg, rgba(11,9,16,.2) 0%, rgba(11,9,16,.88) 100%),
    url("/assets/images/coverpic/cover-9.webp") center center / cover no-repeat;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}
.tip-panel .tip-content {
  padding: 28px;
  width: 100%;
}
.tip-panel .tip-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #0B0910;
  background: var(--accent);
  border-radius: 999px;
  font-weight: 700;
  padding: 3px 12px;
  margin-bottom: 10px;
}
.tip-panel h3 { font-size: 22px; color: #fff; margin-bottom: 8px; }
.tip-panel p { color: rgba(255,255,255,.8); font-size: 14px; margin: 0; }

/* FAQ */
.faq-block { max-width: 860px; margin: 0 auto; }
.accordion {
  --bs-accordion-border-radius: 18px;
  --bs-accordion-inner-border-radius: 18px;
  background: transparent;
  color: var(--text);
}
.accordion-item {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 18px !important;
  overflow: hidden;
  margin-bottom: 14px;
  box-shadow: 0 8px 20px rgba(0,0,0,.16);
}
.accordion-item:has(.accordion-button:not(.collapsed)) {
  border-color: rgba(255,61,129,.35);
}
.accordion-header {
  background: transparent;
}
.accordion-button {
  background: var(--bg-card);
  border: 0;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 18px 22px;
  min-height: 58px;
  box-shadow: none !important;
  border-radius: 18px !important;
}
.accordion-button:not(.collapsed) {
  background: linear-gradient(135deg, rgba(140,82,255,.22), rgba(255,61,129,.12)), var(--bg-card);
  color: #fff;
}
.accordion-button:hover {
  background: var(--bg-card-hover);
}
.accordion-button:not(.collapsed):hover { background: #211836; }
.accordion-button::after {
  content: "+";
  background: none;
  width: auto;
  height: auto;
  font-size: 22px;
  font-weight: 300;
  color: var(--text-sub);
  transition: transform .3s;
}
.accordion-button:not(.collapsed)::after {
  content: "+";
  color: #fff;
  transform: rotate(45deg);
}
.accordion-button:focus { box-shadow: none; }
.accordion-body {
  background: var(--bg-card);
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.95;
  padding: 6px 22px 24px;
  border-top: 1px solid rgba(255,255,255,.05);
}

/* 大 CTA */
.help-cta-section { padding-top: 20px; }
.help-cta-card {
  position: relative;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(1200px 480px at 15% -20%, rgba(140,82,255,.28), transparent 55%),
    radial-gradient(920px 420px at 90% 130%, rgba(255,61,129,.21), transparent 55%),
    var(--grad-main);
  overflow: hidden;
  padding: 46px 42px;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 24px 70px rgba(140,82,255,.28);
}
.help-cta-card h2 { color: #fff; font-size: clamp(25px,3.4vw,36px); }
.help-cta-card p { color: rgba(255,255,255,.86); margin-bottom: 24px; }
.help-cta-card .btn-white {
  background: #fff;
  border: 0;
  color: #21102E;
  font-weight: 700;
  border-radius: 999px;
  padding: 14px 28px;
}
.help-cta-card .btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,0,0,.3); }
.help-cta-card .btn-ghost {
  border: 1px solid rgba(255,255,255,.42);
  color: #fff;
  border-radius: 999px;
  padding: 13px 26px;
}
.help-cta-card .btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }

/* 页脚 */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border);
  padding: 70px 0 38px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer-brand-wrap .brand { margin-bottom: 16px; }
.footer-brand-wrap p {
  font-size: 14px;
  color: var(--text-sub);
  max-width: 340px;
  margin-bottom: 16px;
}
.footer-brand-wrap .bg-gradient {
  background: rgba(140,82,255,.18);
  font-size: 12px;
  font-weight: 600;
  color: #E7DEFD;
  padding: 6px 12px;
  border-radius: 999px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #F7F4FA;
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { color: #877F97; font-size: 14px; }
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 26px;
  color: var(--text-weak);
  font-size: 13px;
}
.footer-bottom a { color: var(--text-sub); }
.footer-bottom a:hover { color: #fff; }

/* 响应式 */
@media (max-width: 991.98px) {
  section { padding: 62px 0; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .step-wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
  .container { padding-left: 18px; padding-right: 18px; }
  section { padding: 54px 0; }
  .help-hero { padding: 56px 0 60px; }
  .help-hero h1 { font-size: 31px; }
  .hero-search-panel {
    flex-wrap: wrap;
    border-radius: 22px;
    padding: 8px;
  }
  .hero-search-panel input {
    flex: 1 1 100%;
    border-bottom: 1px solid rgba(255,255,255,.09);
    border-radius: 0;
    padding: 10px 8px;
  }
  .hero-search-panel .btn { flex: 1 0 100%; justify-content: center; margin-top: 4px; }
  .step-wrap { grid-template-columns: 1fr; }
  .tip-panel { min-height: 300px; }
  .help-cta-card { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .header-tools { display: none; }
}
@media (max-width: 575.98px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .help-hero .hero-lead { font-size: 15px; }
  .search-panel { border-radius: 18px; }
  .section-head h2 { font-size: 23px; }
  .help-card { padding: 22px 20px; }
  .help-card h3 { font-size: 17px; }
  .accordion-button { font-size: 15px; padding: 16px 16px; }
}