/* roulang page: index */
/* ========== Reset & Base ========== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
:root {
  --c-primary: #6D48FF;
  --c-primary-deep: #4A2AC7;
  --c-accent: #FF7A29;
  --c-bg-light: #F7F6FB;
  --c-bg-white: #FFFFFF;
  --c-bg-dark: #17142A;
  --c-text: #222033;
  --c-text-muted: #6B6887;
  --c-border: #E7E5F1;
  --c-success: #2ABE72;
  --c-error: #E5484D;
  --grad-main: linear-gradient(135deg, #6D48FF, #8B5CF6, #A78BFA);
  --grad-orange: linear-gradient(135deg, #FF7A29, #FF9A5C);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 2px 12px rgba(41,28,85,0.08);
  --shadow-hover: 0 12px 32px rgba(109,72,255,0.16);
  --shadow-btn: 0 4px 14px rgba(255,122,41,0.35);
  --sp-section: 80px;
  --sp-section-sm: 48px;
}
html { scroll-behavior:smooth; }
body {
  font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background: var(--c-bg-light);
  color: var(--c-text);
  line-height: 1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img { max-width:100%; height:auto; display:block; }
a { text-decoration:none; color:inherit; transition:.25s; }
ul,ol { list-style:none; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
input,select,textarea { font-family:inherit; font-size:16px; outline:none; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; position:relative; }
.section { padding: var(--sp-section) 0; }
.section-sm { padding: var(--sp-section-sm) 0; }
.section-title { font-size:30px; font-weight:700; line-height:1.3; margin-bottom:16px; }
.section-sub { color:var(--c-text-muted); font-size:15px; margin-bottom:40px; }
.text-center { text-align:center; }
.num-font { font-family:"DIN Alternate","Barlow","Inter",sans-serif; font-variant-numeric: tabular-nums; }
.two-line { display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.one-line { display:-webkit-box; -webkit-line-clamp:1; -webkit-box-orient:vertical; overflow:hidden; }

/* ========== Buttons ========== */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 28px; border-radius:var(--radius-sm);
  font-size:15px; font-weight:600; line-height:1.4;
  transition:all .25s ease; border:none; cursor:pointer;
}
.btn-primary {
  background:var(--grad-main); color:#fff; box-shadow:var(--shadow-btn);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 20px rgba(255,122,41,0.45); filter:brightness(1.08); }
.btn-primary:active { transform:translateY(0); box-shadow:var(--shadow-btn); }
.btn-primary:focus-visible { outline:2px solid var(--c-primary); outline-offset:2px; box-shadow:0 0 0 4px rgba(109,72,255,0.15); }
.btn-accent {
  background:var(--grad-orange); color:#fff; box-shadow:var(--shadow-btn);
}
.btn-accent:hover { transform:translateY(-2px); box-shadow:0 8px 22px rgba(255,122,41,0.45); filter:brightness(1.08); }
.btn-accent:active { transform:translateY(0); }
.btn-outline {
  background:var(--c-bg-white); border:1px solid var(--c-primary); color:var(--c-primary);
}
.btn-outline:hover { background:rgba(109,72,255,0.08); transform:translateY(-2px); }
.btn-outline:active { transform:translateY(0); }

/* ========== Header & Nav ========== */
.site-header {
  position:fixed; top:0; left:0; width:100%; height:72px; z-index:1000;
  background:rgba(255,255,255,0.95); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .3s;
}
.site-header.scrolled { box-shadow:0 4px 20px rgba(41,28,85,0.08); }
.nav-wrap { display:flex; align-items:center; justify-content:space-between; height:72px; }
.nav-logo { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.logo-icon {
  width:40px; height:40px; border-radius:12px; background:var(--grad-main);
  display:flex; align-items:center; justify-content:center; color:#fff; font-size:18px;
  box-shadow:0 2px 8px rgba(109,72,255,0.3);
}
.logo-text { font-size:20px; font-weight:800; color:var(--c-text); letter-spacing:0.5px; }
.logo-text span { color:var(--c-primary); }
.nav-links { display:flex; align-items:center; gap:8px; margin-left:24px; }
.nav-links a {
  display:block; padding:8px 14px; font-size:15px; font-weight:500; color:var(--c-text-muted);
  border-radius:8px; transition:all .25s; position:relative;
}
.nav-links a:hover { color:var(--c-primary); background:rgba(109,72,255,0.06); }
.nav-links a.active { color:var(--c-primary); font-weight:600; background:rgba(109,72,255,0.08); }
.nav-actions { display:flex; align-items:center; gap:12px; margin-left:auto; }
.nav-cta { padding:10px 22px; font-size:14px; }
.mega-wrap { position:relative; }
.mega-trigger {
  display:inline-flex; align-items:center; gap:6px; padding:10px 16px;
  border-radius:var(--radius-sm); font-size:14px; font-weight:500;
  color:var(--c-text); background:var(--c-bg-light); transition:all .25s;
}
.mega-trigger:hover { background:rgba(109,72,255,0.08); color:var(--c-primary); }
.mega-trigger .fa { font-size:12px; transition:transform .3s; }
.mega-wrap.is-open .mega-trigger .fa { transform:rotate(180deg); }
.mega-panel {
  position:absolute; top:calc(100% + 14px); left:50%; transform:translateX(-50%);
  width:960px; max-width:94vw; background:var(--c-bg-white);
  border-radius:var(--radius-lg); box-shadow:0 24px 60px rgba(23,20,42,0.18);
  padding:28px; z-index:100; display:none; border:1px solid var(--c-border);
}
.mega-wrap:hover .mega-panel, .mega-wrap.is-open .mega-panel { display:block; animation:megaIn .3s ease; }
@keyframes megaIn { from{opacity:0; transform:translateX(-50%) translateY(8px);} to{opacity:1; transform:translateX(-50%) translateY(0);} }
.mega-grid { display:grid; grid-template-columns:2fr 1.4fr 1fr; gap:28px; }
.mega-col-title { font-size:14px; font-weight:700; color:var(--c-text); margin-bottom:16px; display:flex; align-items:center; gap:6px; }
.mega-col-title .fa { color:var(--c-primary); font-size:13px; }
.mega-cats { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.mega-cat-card {
  display:flex; align-items:center; gap:10px; padding:12px; border-radius:var(--radius-sm);
  background:var(--c-bg-light); border:1px solid transparent; transition:all .25s;
}
.mega-cat-card:hover { background:rgba(109,72,255,0.08); border-color:rgba(109,72,255,0.15); transform:translateY(-2px); }
.mega-cat-icon { width:36px; height:36px; border-radius:10px; background:var(--grad-main); display:flex; align-items:center; justify-content:center; color:#fff; font-size:14px; flex-shrink:0; }
.mega-cat-name { font-size:14px; font-weight:600; }
.mega-cat-count { font-size:12px; color:var(--c-text-muted); }
.mega-latest { display:flex; flex-direction:column; gap:14px; }
.mega-latest-item { display:flex; gap:12px; align-items:center; padding:10px; border-radius:var(--radius-sm); transition:all .25s; }
.mega-latest-item:hover { background:var(--c-bg-light); transform:translateX(-5px); }
.mega-latest-thumb { width:64px; height:48px; border-radius:8px; object-fit:cover; flex-shrink:0; }
.mega-latest-title { font-size:14px; font-weight:600; line-height:1.4; }
.mega-latest-date { font-size:12px; color:var(--c-text-muted); margin-top:2px; }
.mega-links { display:flex; flex-direction:column; gap:10px; }
.mega-link { display:flex; align-items:center; gap:8px; font-size:14px; color:var(--c-text-muted); padding:8px 10px; border-radius:8px; transition:all .25s; }
.mega-link::before { content:""; width:6px; height:6px; border-radius:50%; background:var(--c-primary); flex-shrink:0; }
.mega-link:hover { color:var(--c-primary); background:rgba(109,72,255,0.06); }
.mega-link .fa-arrow-right { margin-left:auto; font-size:11px; opacity:0; transition:all .25s; }
.mega-link:hover .fa-arrow-right { opacity:1; }

/* Hamburger */
.hamburger { display:none; flex-direction:column; gap:5px; width:42px; height:42px; align-items:center; justify-content:center; border-radius:8px; background:var(--c-bg-light); }
.hamburger span { display:block; width:20px; height:2px; background:var(--c-text); border-radius:2px; transition:all .3s; }
.hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }
.mobile-drawer {
  display:none; position:fixed; top:72px; left:0; width:100%; background:var(--c-bg-white);
  padding:20px 24px 30px; box-shadow:0 10px 30px rgba(23,20,42,0.12); z-index:999;
  border-bottom:1px solid var(--c-border);
}
.mobile-drawer.active { display:block; animation:drawerIn .3s ease; }
@keyframes drawerIn { from{opacity:0; transform:translateY(-12px);} to{opacity:1; transform:translateY(0);} }
.mobile-links { display:flex; flex-direction:column; gap:4px; }
.mobile-links a { padding:12px 8px; font-size:16px; font-weight:500; color:var(--c-text); border-radius:8px; transition:all .25s; }
.mobile-links a:hover, .mobile-links a.active { background:rgba(109,72,255,0.08); color:var(--c-primary); }
.mobile-mega-title { font-size:14px; font-weight:700; margin:20px 0 10px; padding-left:8px; color:var(--c-text-muted); }
.mobile-mega-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; padding-left:8px; }

/* ========== Hero ========== */
.hero {
  min-height:520px; display:flex; align-items:center; position:relative; overflow:hidden;
  background: linear-gradient(135deg, rgba(74,42,199,0.92), rgba(109,72,255,0.86), rgba(139,92,246,0.9)), url('/assets/images/backpic/back-1.webp') center/cover;
  padding:120px 0 80px;
}
.hero::before {
  content:""; position:absolute; inset:0;
  background-image: radial-gradient(rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
}
.hero::after {
  content:""; position:absolute; bottom:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
}
.hero-content { position:relative; z-index:2; color:#fff; }
.hero h1 { font-size:40px; font-weight:800; line-height:1.25; margin-bottom:18px; }
.hero h1 strong { color:#C4B5FD; }
.hero-sub { font-size:16px; color:rgba(255,255,255,0.85); margin-bottom:32px; display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.hero-sub .dot { width:6px; height:6px; border-radius:50%; background:var(--c-accent); display:inline-block; }
.hero-ctas { display:flex; gap:16px; flex-wrap:wrap; margin-bottom:48px; }
.hero-ctas .btn { font-size:16px; padding:14px 32px; }
.hero-badges { display:flex; gap:20px; flex-wrap:wrap; }
.hero-badge {
  background:rgba(255,255,255,0.15); border:1px solid rgba(255,255,255,0.2);
  border-radius:var(--radius-md); padding:20px 24px; min-width:130px;
  backdrop-filter:blur(8px); transition:all .3s;
}
.hero-badge:hover { background:rgba(255,255,255,0.22); transform:translateY(-4px); }
.hero-badge .num { font-size:32px; font-weight:800; font-family:"DIN Alternate","Barlow",sans-serif; }
.hero-badge .label { font-size:12px; color:rgba(255,255,255,0.75); margin-top:4px; }
.scroll-down {
  position:absolute; bottom:24px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:6px;
  color:rgba(255,255,255,0.8); font-size:12px; letter-spacing:1px;
}
.scroll-down .line { width:1px; height:34px; background:rgba(255,255,255,0.5); position:relative; overflow:hidden; }
.scroll-down .line::after { content:""; position:absolute; top:-50%; left:0; width:100%; height:50%; background:#fff; animation:scrollLine 2s infinite; }
@keyframes scrollLine { 0%{top:-50%;} 100%{top:150%;} }

/* ========== Trust Bar ========== */
.trust-bar { padding:40px 0; background:var(--c-bg-white); border-bottom:1px solid var(--c-border); }
.trust-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.trust-item { display:flex; align-items:center; gap:14px; padding:16px 20px; border-radius:var(--radius-md); background:var(--c-bg-light); box-shadow:0 2px 8px rgba(41,28,85,0.05); transition:all .3s; }
.trust-item:hover { box-shadow:var(--shadow-hover); transform:translateY(-3px); }
.trust-icon { width:46px; height:46px; border-radius:12px; background:var(--grad-main); display:flex; align-items:center; justify-content:center; color:#fff; font-size:18px; flex-shrink:0; }
.trust-num { font-size:22px; font-weight:800; font-family:"DIN Alternate","Barlow",sans-serif; color:var(--c-text); line-height:1.2; }
.trust-label { font-size:13px; color:var(--c-text-muted); }

/* ========== Timeline ========== */
.timeline-section { background:var(--c-bg-light); }
.timeline-head { display:flex; align-items:flex-end; justify-content:space-between; flex-wrap:wrap; gap:16px; margin-bottom:40px; }
.timeline-head .section-sub { margin-bottom:0; }
.timeline { position:relative; max-width:840px; margin:0 auto; padding:20px 0; }
.timeline::before { content:""; position:absolute; left:50%; top:0; bottom:0; width:2px; background:var(--c-border); transform:translateX(-50%); }
.timeline-item { position:relative; margin-bottom:40px; width:50%; padding-right:48px; text-align:right; }
.timeline-item:nth-child(even) { margin-left:50%; padding-right:0; padding-left:48px; text-align:left; }
.timeline-dot {
  position:absolute; top:8px; right:-9px; width:18px; height:18px; border-radius:50%;
  background:var(--grad-main); box-shadow:0 0 0 4px rgba(109,72,255,0.2); z-index:1;
}
.timeline-item:nth-child(even) .timeline-dot { right:auto; left:-9px; }
.timeline-card { background:var(--c-bg-white); border-radius:var(--radius-md); padding:20px 24px; box-shadow:var(--shadow-card); border:1px solid var(--c-border); transition:all .3s; }
.timeline-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-3px); }
.timeline-time { font-size:14px; font-weight:700; font-family:"DIN Alternate","Barlow",sans-serif; color:var(--c-accent); margin-bottom:6px; }
.timeline-title { font-size:18px; font-weight:600; margin-bottom:8px; color:var(--c-text); }
.timeline-desc { font-size:14px; color:var(--c-text-muted); line-height:1.7; }
.timeline-num { font-size:40px; font-weight:800; color:rgba(109,72,255,0.12); position:absolute; top:0; right:10px; font-family:"DIN Alternate",sans-serif; }
.timeline-item:nth-child(even) .timeline-num { right:auto; left:10px; }

/* ========== Highlights ========== */
.highlight-section { background:var(--c-bg-white); }
.highlight-grid { display:grid; grid-template-columns:1.2fr 1fr; grid-template-rows:auto auto; gap:24px; }
.hl-card { position:relative; overflow:hidden; border-radius:var(--radius-lg); box-shadow:var(--shadow-card); border:1px solid var(--c-border); background:#fff; transition:all .3s; }
.hl-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-4px); }
.hl-card .img-wrap { overflow:hidden; position:relative; }
.hl-card .img-wrap img { transition:transform .5s; }
.hl-card:hover .img-wrap img { transform:scale(1.03); }
.hl-main { grid-row:span 2; display:flex; flex-direction:column; }
.hl-main .img-wrap { flex:1; min-height:320px; }
.hl-main .img-wrap img { width:100%; height:100%; object-fit:cover; }
.hl-main .card-body { padding:24px 28px; }
.hl-main .card-tag { display:inline-block; padding:4px 12px; border-radius:20px; background:var(--grad-main); color:#fff; font-size:12px; font-weight:600; margin-bottom:12px; }
.hl-main h3 { font-size:20px; font-weight:700; margin-bottom:8px; }
.hl-main p { color:var(--c-text-muted); font-size:14px; line-height:1.7; }
.hl-main .hl-arrow { position:absolute; bottom:28px; right:28px; width:36px; height:36px; border-radius:50%; background:var(--c-bg-light); display:flex; align-items:center; justify-content:center; color:var(--c-primary); font-size:16px; transition:all .25s; }
.hl-main:hover .hl-arrow { background:var(--c-primary); color:#fff; }
.hl-small { display:flex; flex-direction:column; }
.hl-small .card-body { padding:18px 22px; display:flex; flex-direction:column; justify-content:center; flex:1; }
.hl-small .card-tag { display:inline-block; padding:3px 10px; border-radius:20px; background:rgba(109,72,255,0.1); color:var(--c-primary); font-size:12px; font-weight:600; margin-bottom:8px; width:fit-content; }
.hl-small h3 { font-size:17px; font-weight:600; margin-bottom:6px; }
.hl-small p { color:var(--c-text-muted); font-size:13px; line-height:1.6; }
.hl-small .img-wrap { height:130px; }
.hl-small .img-wrap img { width:100%; height:100%; object-fit:cover; }

/* ========== Compare ========== */
.compare-section { background:var(--c-bg-light); }
.compare-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; align-items:stretch; }
.compare-card { background:var(--c-bg-white); border-radius:var(--radius-lg); padding:32px 28px; box-shadow:var(--shadow-card); border:1px solid var(--c-border); position:relative; transition:all .3s; display:flex; flex-direction:column; }
.compare-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-4px); }
.compare-card.recommend { transform:scale(1.04); border:2px solid var(--c-primary); box-shadow:0 8px 30px rgba(109,72,255,0.2); }
.compare-card.recommend:hover { transform:scale(1.04) translateY(-4px); }
.compare-badge {
  position:absolute; top:-14px; left:50%; transform:translateX(-50%);
  background:var(--grad-main); color:#fff; font-size:12px; font-weight:700;
  padding:4px 18px; border-radius:20px; white-space:nowrap;
}
.compare-name { font-size:18px; font-weight:700; margin-bottom:12px; color:var(--c-text); }
.compare-price { font-size:36px; font-weight:800; color:var(--c-accent); font-family:"DIN Alternate","Barlow",sans-serif; margin-bottom:20px; }
.compare-price .unit { font-size:14px; font-weight:400; color:var(--c-text-muted); }
.compare-feats { display:flex; flex-direction:column; gap:10px; margin-bottom:28px; flex:1; }
.compare-feats li { display:flex; align-items:flex-start; gap:10px; font-size:14px; color:var(--c-text); line-height:1.6; }
.compare-feats li .fa-check { color:var(--c-primary); margin-top:4px; flex-shrink:0; font-size:13px; }
.compare-feats li.disabled { color:var(--c-text-muted); }
.compare-feats li.disabled .fa-check { color:rgba(107,104,135,0.4); }
.compare-btn { width:100%; padding:12px; text-align:center; font-size:15px; font-weight:600; border-radius:var(--radius-sm); transition:all .25s; border:1px solid var(--c-border); background:var(--c-bg-white); color:var(--c-text); }
.compare-btn:hover { border-color:var(--c-primary); color:var(--c-primary); background:rgba(109,72,255,0.05); }
.compare-card.recommend .compare-btn { background:var(--grad-main); color:#fff; border-color:transparent; box-shadow:var(--shadow-btn); }
.compare-card.recommend .compare-btn:hover { filter:brightness(1.1); transform:translateY(-2px); }

/* ========== CTA / Login Section ========== */
.cta-section { background:var(--c-bg-dark); position:relative; overflow:hidden; color:#fff; }
.cta-section::before {
  content:""; position:absolute; width:400px; height:400px; border-radius:50%;
  background:rgba(109,72,255,0.25); filter:blur(100px); top:-120px; right:-80px;
}
.cta-section::after {
  content:""; position:absolute; width:300px; height:300px; border-radius:50%;
  background:rgba(255,122,41,0.15); filter:blur(80px); bottom:-100px; left:20%;
}
.cta-wrap { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; position:relative; z-index:1; }
.cta-left h2 { font-size:32px; font-weight:700; margin-bottom:16px; line-height:1.3; }
.cta-left h2 span { color:#C4B5FD; }
.cta-left p { color:rgba(255,255,255,0.7); margin-bottom:28px; max-width:420px; font-size:15px; line-height:1.8; }
.cta-count { display:flex; align-items:center; gap:20px; background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.12); border-radius:var(--radius-md); padding:16px 24px; width:fit-content; backdrop-filter:blur(6px); }
.cta-count .num { font-size:28px; font-weight:800; font-family:"DIN Alternate","Barlow",sans-serif; color:var(--c-accent); }
.cta-count .label { font-size:13px; color:rgba(255,255,255,0.8); }
.cta-form {
  background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.2);
  border-radius:var(--radius-lg); padding:36px; backdrop-filter:blur(10px);
  box-shadow:0 20px 50px rgba(0,0,0,0.2);
}
.cta-form h3 { font-size:22px; font-weight:700; margin-bottom:8px; color:#fff; }
.cta-form .form-sub { font-size:13px; color:rgba(255,255,255,0.6); margin-bottom:24px; }
.form-group { margin-bottom:18px; }
.form-group label { display:block; font-size:14px; font-weight:500; margin-bottom:8px; color:rgba(255,255,255,0.85); }
.form-group input, .form-group select {
  width:100%; padding:14px 16px; border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,0.25); background:rgba(255,255,255,0.1);
  color:#fff; transition:all .25s; font-size:15px;
}
.form-group input::placeholder { color:rgba(255,255,255,0.4); }
.form-group input:focus, .form-group select:focus {
  border-color:var(--c-primary); background:rgba(255,255,255,0.15);
  box-shadow:0 0 0 3px rgba(109,72,255,0.3);
}
.form-group select option { color:var(--c-text); background:var(--c-bg-white); }
.form-btn { width:100%; padding:14px; font-size:16px; margin-top:6px; }
.form-tip { font-size:12px; color:rgba(255,255,255,0.5); text-align:center; margin-top:14px; }

/* ========== News Section ========== */
.news-section { background:var(--c-bg-white); }
.news-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:36px; flex-wrap:wrap; gap:16px; }
.news-head .view-all { display:inline-flex; align-items:center; gap:6px; color:var(--c-primary); font-size:14px; font-weight:600; padding:8px 16px; border-radius:8px; background:rgba(109,72,255,0.06); transition:all .25s; }
.news-head .view-all:hover { background:rgba(109,72,255,0.14); gap:10px; }
.news-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; align-items:start; }
.news-featured {
  border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-card);
  border:1px solid var(--c-border); background:#fff; transition:all .3s; display:block;
}
.news-featured:hover { box-shadow:var(--shadow-hover); transform:translateY(-4px); }
.news-featured .img-wrap { height:260px; overflow:hidden; position:relative; }
.news-featured .img-wrap img { width:100%; height:100%; object-fit:cover; }
.news-tag { display:inline-block; padding:4px 14px; border-radius:20px; background:var(--grad-main); color:#fff; font-size:12px; font-weight:600; position:absolute; left:16px; top:16px; }
.news-featured .card-body { padding:24px 28px; }
.news-featured h3 { font-size:20px; font-weight:700; margin-bottom:8px; line-height:1.45; }
.news-featured p { color:var(--c-text-muted); font-size:14px; margin-bottom:16px; line-height:1.7; }
.news-featured .meta { display:flex; align-items:center; gap:16px; font-size:13px; color:var(--c-text-muted); }
.news-featured .meta .fa { color:var(--c-primary); margin-right:3px; }
.news-featured .arrow { margin-left:auto; width:32px; height:32px; border-radius:50%; background:var(--c-bg-light); display:flex; align-items:center; justify-content:center; color:var(--c-primary); transition:all .25s; }
.news-featured:hover .arrow { background:var(--c-primary); color:#fff; }
.news-list-wrap { display:flex; flex-direction:column; gap:16px; }
.news-list-item {
  display:flex; align-items:center; gap:16px; padding:18px 20px;
  border-radius:var(--radius-md); background:var(--c-bg-light);
  border:1px solid var(--c-border); transition:all .3s;
}
.news-list-item:hover { box-shadow:var(--shadow-hover); transform:translateX(6px); background:#fff; }
.news-list-thumb { width:96px; height:72px; border-radius:var(--radius-sm); overflow:hidden; flex-shrink:0; }
.news-list-thumb img { width:100%; height:100%; object-fit:cover; }
.news-list-info { flex:1; min-width:0; }
.news-list-info h4 { font-size:15px; font-weight:600; margin-bottom:4px; line-height:1.4; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.news-list-info p { font-size:13px; color:var(--c-text-muted); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.news-list-meta { display:flex; gap:14px; font-size:12px; color:var(--c-text-muted); margin-top:6px; }
.news-list-arrow { color:var(--c-primary); font-size:20px; transition:transform .25s; flex-shrink:0; }
.news-list-item:hover .news-list-arrow { transform:translateX(5px); }
.news-empty { grid-column:1/-1; text-align:center; padding:60px 20px; color:var(--c-text-muted); font-size:15px; background:var(--c-bg-light); border-radius:var(--radius-lg); border:1px dashed var(--c-border); }
.news-empty .fa { font-size:36px; color:rgba(109,72,255,0.4); margin-bottom:12px; }

/* ========== FAQ ========== */
.faq-section { background:var(--c-bg-light); }
.faq-wrap { max-width:780px; margin:0 auto; }
.faq-item { background:var(--c-bg-white); border-radius:12px; box-shadow:var(--shadow-card); border:1px solid var(--c-border); margin-bottom:16px; overflow:hidden; transition:all .3s; }
.faq-item:hover { box-shadow:var(--shadow-hover); }
.faq-q { padding:20px 24px; cursor:pointer; display:flex; align-items:center; justify-content:space-between; gap:16px; font-size:16px; font-weight:600; color:var(--c-text); transition:color .25s; }
.faq-q:hover { color:var(--c-primary); }
.faq-icon { width:28px; height:28px; border-radius:50%; background:rgba(109,72,255,0.1); display:flex; align-items:center; justify-content:center; color:var(--c-primary); font-size:14px; transition:all .35s; flex-shrink:0; }
.faq-item.open .faq-icon { transform:rotate(45deg); background:var(--c-primary); color:#fff; }
.faq-a { max-height:0; opacity:0; overflow:hidden; transition:max-height .4s ease, opacity .35s ease, padding .35s ease; }
.faq-item.open .faq-a { max-height:400px; opacity:1; }
.faq-a-inner { padding:0 24px 22px 28px; border-left:4px solid var(--c-primary); background:var(--c-bg-light); border-radius:0 0 12px 12px; font-size:14px; color:var(--c-text-muted); line-height:1.8; margin-top:0; }

/* ========== Footer ========== */
.site-footer { background:var(--c-bg-dark); color:rgba(255,255,255,0.7); padding:60px 0 0; }
.footer-grid { display:grid; grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:40px; padding-bottom:40px; }
.footer-brand .footer-logo { display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.footer-brand .logo-icon { width:36px; height:36px; border-radius:10px; }
.footer-brand .logo-text { color:#fff; font-size:18px; }
.footer-brand .logo-text span { color:#A78BFA; }
.footer-brand p { font-size:14px; color:rgba(255,255,255,0.55); line-height:1.8; margin-bottom:20px; }
.footer-social { display:flex; gap:12px; }
.footer-social a { width:38px; height:38px; border-radius:10px; background:rgba(255,255,255,0.08); display:flex; align-items:center; justify-content:center; color:rgba(255,255,255,0.7); font-size:15px; transition:all .3s; }
.footer-social a:hover { background:var(--c-primary); color:#fff; transform:translateY(-3px); }
.footer-col h4 { font-size:15px; font-weight:700; color:#fff; margin-bottom:20px; }
.footer-col ul { display:flex; flex-direction:column; gap:12px; }
.footer-col ul a { font-size:14px; color:rgba(255,255,255,0.6); transition:all .25s; display:inline-flex; align-items:center; gap:6px; }
.footer-col ul a::before { content:"›"; color:var(--c-accent); font-size:13px; }
.footer-col ul a:hover { color:#fff; padding-left:4px; }
.footer-contact li { display:flex; align-items:flex-start; gap:12px; font-size:14px; color:rgba(255,255,255,0.6); margin-bottom:12px; }
.footer-contact li .fa { color:var(--c-accent); margin-top:4px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.1); padding:20px 0; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px; }
.footer-bottom p { font-size:13px; color:rgba(255,255,255,0.4); }
.footer-bottom a { color:rgba(255,255,255,0.5); }
.footer-bottom a:hover { color:#fff; }

/* ========== Responsive ========== */
@media (max-width:1024px) {
  .mega-panel { width:820px; }
  .mega-grid { grid-template-columns:1fr 1fr; gap:20px; }
  .mega-grid .mega-col:last-child { grid-column:span 2; }
}
@media (max-width:768px) {
  .nav-links { display:none; }
  .mega-wrap { display:none; }
  .hamburger { display:flex; }
  .nav-cta { display:none; }
  .hero { min-height:380px; padding:100px 0 60px; }
  .hero h1 { font-size:28px; }
  .hero-sub { font-size:14px; gap:6px; }
  .hero-badges { gap:10px; }
  .hero-badge { padding:14px 16px; min-width:100px; }
  .hero-badge .num { font-size:24px; }
  .section { padding:48px 0; }
  .section-title { font-size:24px; }
  .timeline::before { left:8px; }
  .timeline-item, .timeline-item:nth-child(even) { width:100%; margin-left:0; padding-left:32px; padding-right:0; text-align:left; }
  .timeline-dot, .timeline-item:nth-child(even) .timeline-dot { left:0; right:auto; }
  .timeline-num, .timeline-item:nth-child(even) .timeline-num { right:10px; left:auto; }
  .highlight-grid { grid-template-columns:1fr; }
  .hl-main .img-wrap { min-height:200px; }
  .hl-small .img-wrap { height:150px; }
  .compare-grid { grid-template-columns:1fr; }
  .compare-card.recommend { transform:scale(1); }
  .compare-card.recommend:hover { transform:translateY(-4px); }
  .cta-wrap { grid-template-columns:1fr; gap:40px; }
  .cta-left h2 { font-size:26px; }
  .news-grid { grid-template-columns:1fr; }
  .trust-grid { grid-template-columns:repeat(2,1fr); gap:16px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:24px; }
}
@media (max-width:520px) {
  .container { padding:0 16px; }
  .trust-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:20px; }
  .hero-ctas .btn { width:100%; }
  .cta-form { padding:24px 20px; }
  .news-list-item { flex-wrap:wrap; }
  .news-list-thumb { width:100%; height:120px; }
  .mega-latest-thumb { width:48px; height:36px; }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --c-primary: #6D48FF;
  --c-primary-deep: #4A2AC7;
  --c-primary-light: #8B5CF6;
  --c-accent: #FF7A29;
  --c-bg-light: #F7F6FB;
  --c-bg-white: #FFFFFF;
  --c-bg-dark: #17142A;
  --c-text: #222033;
  --c-text-muted: #6B6887;
  --c-border: #E7E5F1;
  --c-success: #2ABE72;
  --c-error: #E5484D;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 2px 12px rgba(41, 28, 85, 0.08);
  --shadow-hover: 0 12px 32px rgba(109, 72, 255, 0.16);
  --shadow-btn: 0 4px 14px rgba(255, 122, 41, 0.35);
  --container-max: 1200px;
  --space-section: 72px;
  --space-section-mobile: 44px;
  --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --font-num: 'DIN Alternate', 'Barlow', 'Inter', 'Segoe UI', sans-serif;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-bg-light);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--c-primary-deep); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: var(--font-cn); font-size: 1rem; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all .3s ease;
  text-align: center;
}
.btn i { font-size: 14px; }
.btn-primary {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  color: #fff !important;
  box-shadow: 0 4px 18px rgba(109, 72, 255, 0.32);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(109, 72, 255, 0.42);
  filter: brightness(1.08);
  color: #fff !important;
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 10px rgba(109, 72, 255, 0.3); }
.btn-primary:focus-visible { outline: 2px solid rgba(109, 72, 255, 0.35); outline-offset: 2px; }
.btn-secondary {
  background: var(--c-bg-white);
  color: var(--c-primary);
  border: 1px solid var(--c-primary);
}
.btn-secondary:hover {
  background: rgba(109, 72, 255, 0.06);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(109, 72, 255, 0.12);
  color: var(--c-primary-deep);
}
.btn-text {
  background: transparent;
  color: var(--c-primary);
  padding: 8px 4px;
}
.btn-text:hover { color: var(--c-primary-deep); text-decoration: underline; }

/* ===== Header / 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 1px 8px rgba(23, 20, 42, 0.04);
  height: 72px;
}
.site-header .container { height: 100%; }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 14px rgba(109, 72, 255, 0.3);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: 0.5px;
}
.logo-text span { color: var(--c-primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text);
  border-radius: 8px;
  transition: all .25s ease;
  position: relative;
}
.nav-links a:hover { color: var(--c-primary); background: rgba(109, 72, 255, 0.06); }
.nav-links a.active { color: var(--c-primary); font-weight: 600; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-light));
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.mega-wrap { position: relative; }
.mega-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text);
  background: var(--c-bg-light);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  cursor: pointer;
  transition: all .25s ease;
}
.mega-trigger:hover { border-color: var(--c-primary); color: var(--c-primary); background: rgba(109, 72, 255, 0.04); }
.mega-trigger i { font-size: 12px; transition: transform .3s; }
.mega-trigger.open i { transform: rotate(180deg); }
.mega-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  width: 760px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 24px 60px rgba(23, 20, 42, 0.18);
  border: 1px solid var(--c-border);
  padding: 28px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all .3s ease;
  z-index: 200;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-trigger.open + .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 28px;
}
.mega-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
}
.mega-quick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.mega-quick-grid a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--c-text);
  background: var(--c-bg-light);
  transition: all .25s;
}
.mega-quick-grid a:hover {
  background: rgba(109, 72, 255, 0.08);
  color: var(--c-primary);
  transform: translateX(3px);
}
.mega-quick-grid a i { color: var(--c-primary); font-size: 14px; width: 18px; text-align: center; }
.mega-latest { display: flex; flex-direction: column; gap: 10px; }
.mega-latest-item {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 8px;
  border-radius: 10px;
  transition: all .25s;
}
.mega-latest-item:hover { background: var(--c-bg-light); transform: translateX(3px); }
.ml-thumb {
  width: 56px;
  height: 42px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.ml-thumb img { width: 100%; height: 100%; object-fit: cover; }
.ml-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ml-title { font-size: 13px; font-weight: 600; color: var(--c-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ml-date { font-size: 12px; color: var(--c-text-muted); }
.mega-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--c-text);
  transition: all .25s;
}
.mega-links a::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-primary);
  flex-shrink: 0;
}
.mega-links a:hover { color: var(--c-primary); transform: translateX(4px); }
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  background: #fff;
  font-size: 20px;
  color: var(--c-text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all .25s;
}
.hamburger:hover { border-color: var(--c-primary); color: var(--c-primary); }

/* ===== 文章头部区 ===== */
.article-head {
  background: linear-gradient(180deg, rgba(109, 72, 255, 0.06) 0%, rgba(167, 139, 250, 0.04) 50%, rgba(247, 246, 251, 0) 100%);
  padding: 52px 0 40px;
  border-bottom: 1px solid var(--c-border);
  position: relative;
}
.article-head::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(109, 72, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.article-head .container { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--c-text-muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--c-text-muted); }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb .divider { color: var(--c-border); }
.breadcrumb .current { color: var(--c-text); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 320px; }
.article-head h1 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--c-text);
  margin-bottom: 18px;
  letter-spacing: 0.3px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: var(--c-text-muted);
  margin-bottom: 24px;
}
.article-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .meta-item i { color: var(--c-primary); font-size: 13px; }
.article-meta .divider { color: var(--c-border); }
.article-summary {
  background: #fff;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--c-primary);
  padding: 18px 22px;
  font-size: 15px;
  color: var(--c-text-muted);
  line-height: 1.7;
  box-shadow: var(--shadow-card);
  max-width: 900px;
}

/* ===== 正文阅读区 ===== */
.article-content-wrap {
  padding: 56px 0 40px;
  background: var(--c-bg-white);
}
.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}
.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-text);
}
.article-content > * + * { margin-top: 1.4em; }
.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.4;
  margin-top: 2em;
  padding-top: 22px;
  border-top: 1px solid var(--c-border);
}
.article-content h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 20px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-primary-light));
  margin-right: 12px;
  vertical-align: -2px;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.4;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}
.article-content p { margin-bottom: 1.5em; color: #3A3752; }
.article-content strong { color: var(--c-text); font-weight: 700; }
.article-content a { color: var(--c-primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--c-primary-deep); }
.article-content ul { margin: 1.5em 0; padding-left: 0; }
.article-content ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 0.8em;
  color: #3A3752;
}
.article-content ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
}
.article-content ol { margin: 1.5em 0; padding-left: 20px; }
.article-content ol li { list-style: decimal; margin-bottom: 0.8em; color: #3A3752; }
.article-content blockquote {
  border-left: 3px solid var(--c-primary);
  background: rgba(109, 72, 255, 0.04);
  padding: 16px 22px;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--c-text-muted);
  margin: 1.8em 0;
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin: 2em auto;
}
.article-content figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--c-text-muted);
  margin-top: -1.5em;
  margin-bottom: 2em;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8em 0;
  font-size: 15px;
  border-radius: 8px;
  overflow: hidden;
}
.article-content table th {
  background: var(--c-bg-light);
  color: var(--c-text);
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
  border: 1px solid var(--c-border);
}
.article-content table td {
  padding: 10px 16px;
  border: 1px solid var(--c-border);
  color: #3A3752;
}

/* ===== 未找到 ===== */
.article-notfound {
  text-align: center;
  padding: 80px 20px;
}
.article-notfound i {
  font-size: 48px;
  color: var(--c-border);
  margin-bottom: 20px;
}
.article-notfound p {
  font-size: 18px;
  color: var(--c-text-muted);
  margin-bottom: 24px;
}

/* ===== 相关推荐区 ===== */
.related-section {
  padding: 64px 0 var(--space-section);
  background: var(--c-bg-light);
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.3;
  position: relative;
  padding-bottom: 12px;
}
.section-head h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 44px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-light));
}
.related-grid { row-gap: 24px; }
.related-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all .3s ease;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(109, 72, 255, 0.2);
}
.related-thumb {
  width: 100%;
  height: 160px;
  overflow: hidden;
  position: relative;
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.03); }
.related-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(23, 20, 42, 0.06));
}
.related-info {
  padding: 18px 20px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.related-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .25s;
}
.related-card:hover .related-info h3 { color: var(--c-primary); }
.related-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  font-size: 13px;
  color: var(--c-text-muted);
}
.related-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--c-primary);
  transition: all .3s;
}
.related-card:hover .related-arrow {
  background: var(--c-primary);
  color: #fff;
  transform: translateX(3px);
}

/* ===== CTA 区 ===== */
.cta-section {
  background: var(--c-bg-dark);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before,
.cta-section::after {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(109, 72, 255, 0.18) 0%, transparent 70%);
  pointer-events: none;
}
.cta-section::before { top: -120px; left: -60px; }
.cta-section::after { bottom: -120px; right: -60px; }
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 16px;
}
.cta-inner p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 28px;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-btns .btn-cta-primary {
  background: linear-gradient(135deg, var(--c-accent), #FF9B5E);
  color: #fff;
  padding: 14px 36px;
  border-radius: 10px;
  font-weight: 600;
  box-shadow: var(--shadow-btn);
  transition: all .3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.cta-btns .btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 122, 41, 0.45);
  color: #fff;
  filter: brightness(1.06);
}
.cta-btns .btn-cta-ghost {
  background: transparent;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 14px 30px;
  border-radius: 10px;
  font-weight: 500;
  transition: all .3s;
}
.cta-btns .btn-cta-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  transform: translateY(-2px);
}
.cta-stats {
  display: flex;
  gap: 28px;
  justify-content: center;
  margin-top: 28px;
  flex-wrap: wrap;
}
.cta-stat {
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}
.cta-stat strong {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  font-family: var(--font-num);
}

/* ===== 返回入口 ===== */
.article-actions {
  padding: 32px 0 56px;
  background: var(--c-bg-light);
  text-align: center;
}
.article-actions .inner {
  display: inline-flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--c-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-brand { max-width: 320px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo .logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.footer-logo .logo-text {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}
.footer-logo .logo-text span { color: var(--c-primary-light); }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255, 255, 255, 0.55); margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all .3s;
}
.footer-social a:hover {
  background: var(--c-primary);
  color: #fff;
  transform: translateY(-2px);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-primary);
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: all .25s;
}
.footer-col ul li a:hover { color: var(--c-primary-light); padding-left: 4px; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
}
.footer-contact li i { color: var(--c-primary-light); margin-top: 5px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.4); }
.footer-bottom a:hover { color: var(--c-primary-light); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root { --space-section: 56px; }
  .mega-panel { width: 620px; }
  .mega-grid { grid-template-columns: 1fr 1fr; }
  .mega-col:last-child { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .site-header { height: 64px; }
  .header-inner { height: 64px; }
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    gap: 4px;
    border-bottom: 1px solid var(--c-border);
    box-shadow: 0 12px 30px rgba(23, 20, 42, 0.1);
    transform: translateY(-120%);
    opacity: 0;
    transition: all .3s ease;
    z-index: 99;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-links a {
    padding: 12px 12px;
    font-size: 16px;
    border-radius: 8px;
  }
  .nav-links a.active { background: rgba(109, 72, 255, 0.06); }
  .nav-links a.active::after { display: none; }
  .mega-trigger { display: none; }
  .header-actions .btn { display: none; }
  .mega-panel {
    position: static;
    width: 100%;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-radius: 0;
    border: none;
    padding: 0;
    margin-top: 8px;
    background: transparent;
  }
  .mega-grid { grid-template-columns: 1fr; gap: 16px; }
  .mega-col:last-child { grid-column: span 1; }
  /* 文章头部 */
  .article-head { padding: 36px 0 28px; }
  .article-head h1 { font-size: 24px; }
  .article-meta { gap: 12px; font-size: 13px; }
  .article-summary { font-size: 14px; padding: 14px 16px; }
  /* 正文 */
  .article-content-wrap { padding: 40px 0 28px; }
  .article-content { font-size: 15px; line-height: 1.85; }
  .article-content h2 { font-size: 21px; }
  .article-content h3 { font-size: 18px; }
  /* 相关推荐 */
  .related-section { padding: 40px 0 var(--space-section-mobile); }
  .section-head h2 { font-size: 22px; }
  /* CTA */
  .cta-section { padding: 48px 0; }
  .cta-inner h2 { font-size: 22px; }
  .cta-btns .btn-cta-primary,
  .cta-btns .btn-cta-ghost { padding: 12px 24px; }
  /* 页脚 */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand { grid-column: span 2; max-width: none; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
  .footer-col h4 { margin-bottom: 12px; }
  .related-grid .cell { padding: 0 8px; }
  .article-actions .btn { width: 100%; }
}

/* roulang page: category1 */
:root {
  --c-primary: #6D48FF;
  --c-primary-deep: #4A2AC7;
  --c-accent: #FF7A29;
  --c-accent-soft: #FFF1E8;
  --c-bg-light: #F7F6FB;
  --c-bg-white: #FFFFFF;
  --c-bg-dark: #17142A;
  --c-text: #222033;
  --c-text-muted: #6B6887;
  --c-border: #E7E5F1;
  --c-success: #2ABE72;
  --c-error: #E5484D;
  --c-blue-green: #3DA5A0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 2px 12px rgba(41,28,85,0.08);
  --shadow-hover: 0 12px 32px rgba(109,72,255,0.16);
  --shadow-btn: 0 4px 14px rgba(255,122,41,0.35);
  --gradient-primary: linear-gradient(135deg, #6D48FF 0%, #8B5CF6 50%, #A78BFA 100%);
  --gradient-accent: linear-gradient(135deg, #FF7A29 0%, #FF9A5A 100%);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --font-num: "DIN Alternate", "Barlow", "Inter", var(--font-sans);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-bg-light);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color .25s ease;
}

a:hover {
  color: var(--c-primary-deep);
}

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

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

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid var(--c-border);
  backdrop-filter: blur(8px);
  transition: box-shadow .3s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(23,20,42,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(109,72,255,0.28);
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: 1px;
  white-space: nowrap;
}

.logo-text span {
  color: var(--c-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
}

.nav-links a {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text-muted);
  transition: all .25s ease;
}

.nav-links a:hover {
  color: var(--c-primary);
  background: rgba(109,72,255,0.06);
}

.nav-links a.active {
  color: var(--c-primary);
  font-weight: 600;
  background: rgba(109,72,255,0.1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mega Menu */
.mega-trigger-wrap {
  position: relative;
}

.mega-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: var(--c-bg-white);
  color: var(--c-text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all .25s ease;
}

.mega-trigger:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.mega-trigger .fa-chevron-down {
  font-size: 12px;
  transition: transform .3s ease;
}

.mega-trigger.active .fa-chevron-down {
  transform: rotate(180deg);
}

.mega-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  width: 760px;
  background: var(--c-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(23,20,42,0.18);
  border: 1px solid var(--c-border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all .3s ease;
  z-index: 50;
}

.mega-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 8px;
  padding: 24px;
}

.mega-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
}

.mega-cat {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text);
  margin-bottom: 4px;
  transition: all .2s ease;
}

.mega-cat i {
  width: 22px;
  color: var(--c-primary);
  font-size: 14px;
}

.mega-cat:hover {
  background: rgba(109,72,255,0.08);
  color: var(--c-primary);
  transform: translateX(4px);
}

.mega-article {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  margin-bottom: 4px;
  transition: all .2s ease;
}

.mega-article:hover {
  background: rgba(109,72,255,0.06);
  transform: translateX(4px);
}

.mega-thumb {
  width: 52px;
  height: 40px;
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}

.mega-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.mega-info strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mega-info em {
  font-size: 12px;
  font-style: normal;
  color: var(--c-text-muted);
}

.mega-link {
  display: block;
  padding: 7px 12px;
  font-size: 14px;
  color: var(--c-text-muted);
  border-radius: 8px;
  transition: all .2s ease;
}

.mega-link::before {
  content: "·";
  color: var(--c-primary);
  font-weight: 700;
  margin-right: 6px;
}

.mega-link:hover {
  color: var(--c-primary);
  background: rgba(109,72,255,0.05);
  padding-left: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all .3s ease;
  line-height: 1.4;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(109,72,255,0.32);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(109,72,255,0.4);
  filter: brightness(1.08);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(109,72,255,0.3);
}

.btn-primary:focus,
.btn-outline:focus,
.btn-accent:focus,
.btn-ghost:focus {
  outline: 2px solid rgba(109,72,255,0.3);
  outline-offset: 2px;
}

.btn-accent {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.btn-accent:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,122,41,0.4);
  filter: brightness(1.08);
}

.btn-outline {
  background: var(--c-bg-white);
  border: 1px solid var(--c-primary);
  color: var(--c-primary);
}

.btn-outline:hover {
  background: rgba(109,72,255,0.08);
  color: var(--c-primary-deep);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.2);
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}

.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}

.btn-sm {
  padding: 9px 20px;
  font-size: 14px;
}

.header-cta {
  flex-shrink: 0;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: var(--c-bg-white);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.menu-toggle .bar {
  width: 20px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all .3s ease;
}

.menu-toggle.active .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  background: var(--c-bg-white);
  border-top: 1px solid var(--c-border);
  padding: 16px 24px 24px;
  box-shadow: 0 12px 32px rgba(23,20,42,0.1);
}

.mobile-menu.open {
  display: block;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-link {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text);
  transition: all .2s ease;
}

.mobile-link:hover {
  background: rgba(109,72,255,0.06);
  color: var(--c-primary);
}

.mobile-link.active {
  background: rgba(109,72,255,0.1);
  color: var(--c-primary);
  font-weight: 600;
}

/* ========== Main Sections ========== */
main {
  overflow: hidden;
}

.section-pad {
  padding: 80px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 10px;
  line-height: 1.3;
}

.section-head p {
  font-size: 16px;
  color: var(--c-text-muted);
}

/* ========== Category Hero ========== */
.cat-hero {
  padding: 64px 0 64px;
  background: linear-gradient(135deg, #EDE9FE 0%, #F7F6FB 55%, #FDF1F0 100%);
  position: relative;
}

.cat-hero-inner {
  background: rgba(255,255,255,0.85);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(109,72,255,0.15);
  box-shadow: 0 8px 36px rgba(41,28,85,0.08);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}

.cat-hero-inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent), var(--c-blue-green));
}

.cat-hero-inner::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(109,72,255,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 18px;
}

.hero-badge i {
  font-size: 14px;
}

.cat-hero h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--c-text);
}

.cat-hero h1 .brand-part {
  color: var(--c-primary);
}

.hero-sub {
  font-size: 17px;
  font-weight: 500;
  color: var(--c-primary-deep);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.hero-desc {
  font-size: 16px;
  color: var(--c-text-muted);
  max-width: 520px;
  margin-bottom: 28px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-badges {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 20px 0;
}

.badge-card {
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  color: #fff;
  text-align: center;
  box-shadow: 0 8px 24px rgba(109,72,255,0.3);
  position: relative;
  overflow: hidden;
}

.badge-card::after {
  content: "";
  position: absolute;
  width: 90px;
  height: 90px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  top: -20px;
  right: -20px;
}

.badge-card.badge-2 {
  transform: translateY(18px);
  background: linear-gradient(135deg, #FF7A29, #FFB347);
  box-shadow: 0 8px 24px rgba(255,122,41,0.3);
}

.badge-card.badge-3 {
  background: linear-gradient(135deg, #3DA5A0, #6AC5C0);
  box-shadow: 0 8px 24px rgba(61,165,160,0.3);
}

.badge-card.badge-4 {
  transform: translateY(18px);
  background: linear-gradient(135deg, #4A2AC7, #6D48FF);
  box-shadow: 0 8px 24px rgba(74,42,199,0.3);
}

.badge-num {
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  display: block;
  font-variant-numeric: tabular-nums;
}

.badge-txt {
  font-size: 12px;
  opacity: 0.8;
  display: block;
  margin-top: 4px;
  letter-spacing: 0.5px;
}

/* ========== Trust Bar ========== */
.trust-bar {
  background: var(--c-bg-white);
  border-bottom: 1px solid var(--c-border);
  padding: 28px 0;
}

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

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  background: var(--c-bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  transition: all .3s ease;
}

.trust-item:hover {
  border-color: rgba(109,72,255,0.3);
  box-shadow: var(--shadow-card);
}

.trust-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(109,72,255,0.1);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.trust-item:nth-child(2) .trust-icon {
  background: rgba(255,122,41,0.12);
  color: var(--c-accent);
}

.trust-item:nth-child(3) .trust-icon {
  background: rgba(61,165,160,0.12);
  color: var(--c-blue-green);
}

.trust-item:nth-child(4) .trust-icon {
  background: rgba(109,72,255,0.1);
  color: var(--c-primary-deep);
}

.trust-num {
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.trust-label {
  font-size: 13px;
  color: var(--c-text-muted);
  line-height: 1.4;
}

/* ========== Category Description ========== */
.cat-desc {
  padding: 64px 0 0;
}

.desc-card {
  background: var(--c-bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  padding: 36px 40px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.desc-card .desc-line {
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--gradient-primary);
}

.desc-card p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  margin-bottom: 20px;
}

.desc-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.mini-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(109,72,255,0.1), rgba(139,92,246,0.08));
  color: var(--c-primary-deep);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  border: 1px solid rgba(109,72,255,0.15);
}

/* ========== Value Section ========== */
.value-section {
  padding: 80px 0;
}

.value-card {
  background: var(--c-bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-card);
  padding: 28px;
  height: 100%;
  transition: all .3s ease;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(109,72,255,0.2);
}

.value-card-feature {
  position: relative;
  overflow: hidden;
}

.value-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  z-index: 0;
}

.value-card-feature .value-content {
  position: relative;
  z-index: 1;
}

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

.tag {
  display: inline-block;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.value-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 10px;
}

.value-card p {
  font-size: 14px;
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.value-list {
  list-style: none;
  padding: 0;
}

.value-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--c-text);
  padding: 5px 0;
}

.value-list li i {
  color: var(--c-primary);
}

.value-icon {
  font-size: 28px;
  color: var(--c-primary);
  margin-bottom: 14px;
  display: block;
}

.value-card:nth-child(2) .value-icon,
.value-card:nth-child(3) .value-icon,
.value-card:nth-child(4) .value-icon,
.value-card:nth-child(5) .value-icon {
  color: var(--c-accent);
}

/* ========== Scope Section ========== */
.scope-section {
  background: var(--c-bg-white);
  padding: 80px 0;
  position: relative;
}

.scope-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-border), transparent);
}

.scope-card {
  background: var(--c-bg-light);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  text-align: center;
  height: 100%;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}

.scope-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--gradient-primary);
  transition: width .3s ease;
  border-radius: 3px;
}

.scope-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(109,72,255,0.2);
}

.scope-card:hover::after {
  width: 60%;
}

.scope-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 6px 16px rgba(109,72,255,0.25);
}

.scope-card:nth-child(2) .scope-icon {
  background: linear-gradient(135deg, #FF7A29, #FFB347);
  box-shadow: 0 6px 16px rgba(255,122,41,0.25);
}

.scope-card:nth-child(3) .scope-icon {
  background: linear-gradient(135deg, #3DA5A0, #6AC5C0);
  box-shadow: 0 6px 16px rgba(61,165,160,0.25);
}

.scope-card:nth-child(4) .scope-icon {
  background: linear-gradient(135deg, #4A2AC7, #6D48FF);
  box-shadow: 0 6px 16px rgba(74,42,199,0.25);
}

.scope-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.scope-card p {
  font-size: 14px;
  color: var(--c-text-muted);
  line-height: 1.6;
}

/* ========== Flow Section ========== */
.flow-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--c-bg-light), #F0EDFF);
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.flow-steps::before {
  content: "";
  position: absolute;
  top: 34px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent), var(--c-blue-green));
  border-radius: 2px;
  opacity: 0.3;
}

.flow-step {
  background: var(--c-bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: all .3s ease;
  z-index: 1;
}

.flow-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.step-num {
  display: block;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-num);
  line-height: 56px;
  margin: 0 auto 16px;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 4px 12px rgba(109,72,255,0.3);
}

.flow-step:nth-child(2) .step-num {
  background: linear-gradient(135deg, #FF7A29, #FFB347);
  box-shadow: 0 4px 12px rgba(255,122,41,0.3);
}

.flow-step:nth-child(3) .step-num {
  background: linear-gradient(135deg, #3DA5A0, #6AC5C0);
  box-shadow: 0 4px 12px rgba(61,165,160,0.3);
}

.flow-step:nth-child(4) .step-num {
  background: linear-gradient(135deg, #4A2AC7, #6D48FF);
  box-shadow: 0 4px 12px rgba(74,42,199,0.3);
}

.flow-step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.flow-step p {
  font-size: 13px;
  color: var(--c-text-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ========== FAQ Section ========== */
.faq-section {
  padding: 80px 0;
}

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

.faq-item {
  background: var(--c-bg-white);
  border: 1px solid var(--c-border);
  border-radius: 14px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease;
}

.faq-item.open {
  border-color: rgba(109,72,255,0.3);
  box-shadow: var(--shadow-card);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 22px;
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  cursor: pointer;
  text-align: left;
  transition: color .3s ease;
}

.faq-q:hover {
  color: var(--c-primary);
}

.faq-q .faq-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(109,72,255,0.1);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all .3s ease;
}

.faq-item.open .faq-q .faq-icon {
  transform: rotate(45deg);
  background: var(--c-primary);
  color: #fff;
}

.faq-a {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .35s ease, opacity .35s ease, padding .35s ease;
}

.faq-item.open .faq-a {
  max-height: 600px;
  opacity: 1;
}

.faq-a-inner {
  background: rgba(109,72,255,0.04);
  border-left: 4px solid var(--c-primary);
  margin: 0 22px 20px;
  padding: 14px 18px;
  border-radius: 0 10px 10px 0;
}

.faq-a p {
  font-size: 14px;
  color: var(--c-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ========== Related Categories ========== */
.related-section {
  padding: 0 0 80px;
}

.related-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: var(--c-bg-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all .3s ease;
  margin-top: 10px;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(109,72,255,0.25);
}

.related-card i:first-child {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(109,72,255,0.1);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.related-card:nth-child(2) i:first-child {
  background: rgba(255,122,41,0.12);
  color: var(--c-accent);
}

.related-card:nth-child(3) i:first-child {
  background: rgba(61,165,160,0.12);
  color: var(--c-blue-green);
}

.related-card:nth-child(4) i:first-child {
  background: rgba(74,42,199,0.12);
  color: var(--c-primary-deep);
}

.related-card span:nth-child(2) {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.related-card .fa-arrow-right {
  font-size: 14px;
  color: var(--c-text-muted);
  transition: all .3s ease;
}

.related-card:hover .fa-arrow-right {
  transform: translateX(4px);
  color: var(--c-primary);
}

/* ========== CTA Section ========== */
.cta-section {
  padding: 80px 0;
  background: var(--c-bg-dark);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -120px;
  left: -80px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(109,72,255,0.25), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section::after {
  content: "";
  position: absolute;
  bottom: -120px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255,122,41,0.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 2;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(109,72,255,0.1));
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 48px;
  backdrop-filter: blur(4px);
}

.cta-inner h2 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 0;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--c-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-brand .footer-logo .logo-icon {
  width: 36px;
  height: 36px;
  font-size: 16px;
}

.footer-brand .footer-logo .logo-text {
  color: #fff;
  font-size: 18px;
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 18px;
  max-width: 340px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all .3s ease;
}

.footer-social a:hover {
  background: var(--c-primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
}

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

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: rgba(255,255,255,0.6);
  transition: all .2s ease;
}

.footer-col a:hover {
  color: var(--c-primary);
  padding-left: 4px;
}

.footer-col .footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.6);
}

.footer-col .footer-contact i {
  width: 16px;
  text-align: center;
  color: var(--c-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom p {
  margin: 0;
  color: rgba(255,255,255,0.5);
  font-size: 13px;
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
}

.footer-bottom a:hover {
  color: var(--c-primary);
}

/* ========== Responsive ========== */
@media screen and (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

  .mega-panel {
    width: 640px;
  }

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

  .mega-col:nth-child(3) {
    grid-column: 1 / -1;
    border-top: 1px solid var(--c-border);
    padding-top: 12px;
    margin-top: 8px;
  }

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

  .flow-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .flow-steps::before {
    display: none;
  }

  .cat-hero h1 {
    font-size: 32px;
  }

  .cta-actions {
    justify-content: flex-start;
    margin-top: 20px;
  }

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

@media screen and (max-width: 768px) {
  .header-inner {
    height: 64px;
    gap: 12px;
  }

  .nav-links {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mega-trigger-wrap {
    display: none;
  }

  .mobile-menu {
    display: none;
  }

  .mobile-menu.open {
    display: block;
  }

  .cat-hero {
    padding: 40px 0;
  }

  .cat-hero-inner {
    padding: 36px 24px;
  }

  .cat-hero h1 {
    font-size: 28px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-badges {
    margin-top: 20px;
  }

  .section-pad,
  .value-section,
  .scope-section,
  .flow-section,
  .faq-section,
  .related-section,
  .cta-section {
    padding: 48px 0;
  }

  .section-head {
    margin-bottom: 32px;
  }

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

  .desc-card {
    padding: 28px 24px;
  }

  .badge-num {
    font-size: 26px;
  }

  .cta-inner {
    padding: 32px 24px;
  }

  .cta-inner h2 {
    font-size: 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media screen and (max-width: 640px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .flow-steps {
    grid-template-columns: 1fr;
  }

  .value-card {
    margin-bottom: 0;
  }

  .cat-hero-inner {
    padding: 28px 20px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .desc-badges {
    flex-direction: column;
    align-items: stretch;
  }

  .mini-badge {
    justify-content: center;
  }

  .related-card {
    padding: 14px 16px;
  }
}

/* roulang page: category2 */
:root {
      --c-primary: #6D48FF;
      --c-primary-deep: #4A2AC7;
      --c-accent: #FF7A29;
      --c-bg-light: #F7F6FB;
      --c-bg-white: #FFFFFF;
      --c-bg-dark: #17142A;
      --c-text: #222033;
      --c-text-muted: #6B6887;
      --c-border: #E7E5F1;
      --c-success: #2ABE72;
      --c-error: #E5484D;
      --grad-main: linear-gradient(135deg, #6D48FF, #8B5CF6, #A78BFA);
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --shadow-card: 0 2px 12px rgba(41,28,85,0.08);
      --shadow-hover: 0 12px 32px rgba(109,72,255,0.16);
      --shadow-btn: 0 4px 14px rgba(255,122,41,0.35);
      --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
      --font-num: "DIN Alternate", "Barlow", "Inter", "Arial", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-cn);
      font-size: 16px;
      line-height: 1.8;
      color: var(--c-text);
      background: var(--c-bg-light);
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: color .25s ease;
    }

    ul, ol {
      margin: 0;
      padding: 0;
      list-style: none;
    }

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

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

    .grid-x {
      margin-left: -12px;
      margin-right: -12px;
    }

    .grid-x > .cell {
      padding-left: 12px;
      padding-right: 12px;
    }

    .section {
      padding: 80px 0;
    }

    .section-header {
      margin-bottom: 40px;
      text-align: center;
    }

    .section-header h2 {
      font-size: 30px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--c-text);
      margin: 0 0 12px;
    }

    .section-header p {
      font-size: 16px;
      color: var(--c-text-muted);
      margin: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 15px;
      line-height: 1.4;
      transition: all .3s ease;
      cursor: pointer;
      border: none;
      text-align: center;
    }

    .btn-primary {
      background: var(--grad-main);
      color: #fff;
      box-shadow: 0 4px 14px rgba(109,72,255,0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(109,72,255,0.42);
      filter: brightness(1.08);
      color: #fff;
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 2px 8px rgba(109,72,255,0.3);
    }

    .btn-primary:focus-visible,
    .btn-secondary:focus-visible {
      outline: 2px solid rgba(109,72,255,0.3);
      outline-offset: 2px;
    }

    .btn-secondary {
      background: #fff;
      color: var(--c-primary);
      border: 1px solid var(--c-primary);
    }

    .btn-secondary:hover {
      background: rgba(109,72,255,0.08);
      color: var(--c-primary-deep);
    }

    .btn-accent {
      background: linear-gradient(135deg, #FF7A29, #FF9A5C);
      color: #fff;
      box-shadow: 0 4px 14px rgba(255,122,41,0.35);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(255,122,41,0.4);
      filter: brightness(1.08);
      color: #fff;
    }

    .btn-block {
      width: 100%;
    }

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

    .badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 500;
      line-height: 1.5;
      background: rgba(109,72,255,0.1);
      color: var(--c-primary);
    }

    .badge-accent {
      background: rgba(255,122,41,0.12);
      color: #e05a10;
    }

    .badge-dark {
      background: rgba(255,255,255,0.15);
      color: #fff;
    }

    .data-badge {
      background: var(--grad-main);
      color: #fff;
      border-radius: 16px;
      padding: 18px 22px;
      box-shadow: 0 8px 24px rgba(109,72,255,0.2);
      text-align: center;
      min-width: 120px;
    }

    .data-badge .data-num {
      font-family: var(--font-num);
      font-size: 32px;
      font-weight: 700;
      line-height: 1.1;
      display: block;
      margin-bottom: 4px;
      font-variant-numeric: tabular-nums;
    }

    .data-badge .data-label {
      font-size: 12px;
      opacity: 0.6;
      letter-spacing: 1px;
    }

    .card {
      background: var(--c-bg-white);
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      transition: transform .3s ease, box-shadow .3s ease;
    }

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

    .text-muted {
      color: var(--c-text-muted);
    }

    /* ===== Header & Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255,255,255,0.95);
      box-shadow: 0 1px 0 var(--c-border);
      height: 72px;
      display: flex;
      align-items: center;
      backdrop-filter: blur(12px);
    }

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

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

    .logo-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: var(--grad-main);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      box-shadow: 0 4px 12px rgba(109,72,255,0.3);
    }

    .logo-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--c-text);
      letter-spacing: 1px;
    }

    .logo-text span {
      color: var(--c-primary);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .nav-links a {
      padding: 10px 18px;
      font-size: 15px;
      font-weight: 500;
      border-radius: 8px;
      color: var(--c-text-muted);
      position: relative;
    }

    .nav-links a:hover {
      color: var(--c-primary);
      background: rgba(109,72,255,0.06);
    }

    .nav-links a.active {
      color: var(--c-primary);
      font-weight: 600;
      background: rgba(109,72,255,0.08);
    }

    .nav-links a.active::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 4px;
      height: 2px;
      border-radius: 2px;
      background: var(--grad-main);
    }

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

    .mega-trigger-wrap {
      position: relative;
    }

    .mega-trigger {
      background: rgba(109,72,255,0.08);
      color: var(--c-primary);
      padding: 10px 18px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: background .3s ease;
    }

    .mega-trigger:hover {
      background: rgba(109,72,255,0.14);
    }

    .mega-panel {
      position: absolute;
      top: calc(100% + 12px);
      right: 0;
      width: 960px;
      max-width: calc(100vw - 48px);
      background: #fff;
      border-radius: var(--radius-md);
      box-shadow: 0 24px 60px rgba(23,20,42,0.18);
      border: 1px solid var(--c-border);
      padding: 28px;
      display: none;
      z-index: 999;
    }

    .mega-trigger-wrap:hover .mega-panel,
    .mega-trigger-wrap:focus-within .mega-panel {
      display: block;
    }

    .mega-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 24px;
    }

    .mega-col h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--c-text);
      margin: 0 0 16px;
      padding-bottom: 8px;
      border-bottom: 1px solid var(--c-border);
    }

    .mega-cats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .mega-cat {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px;
      border-radius: 10px;
      background: var(--c-bg-light);
      font-size: 14px;
      font-weight: 500;
      color: var(--c-text);
      transition: background .3s ease;
    }

    .mega-cat i {
      color: var(--c-primary);
      font-size: 16px;
    }

    .mega-cat:hover {
      background: rgba(109,72,255,0.08);
      color: var(--c-primary);
    }

    .mega-news {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .mega-news-item {
      display: flex;
      gap: 12px;
      padding: 8px;
      border-radius: 10px;
      transition: transform .3s ease, background .3s ease;
      align-items: center;
    }

    .mega-news-item:hover {
      transform: translateX(-5px);
      background: var(--c-bg-light);
    }

    .mega-news-item img {
      width: 72px;
      height: 56px;
      border-radius: 8px;
      object-fit: cover;
      flex-shrink: 0;
    }

    .mega-news-item h5 {
      margin: 0 0 2px;
      font-size: 14px;
      font-weight: 600;
      color: var(--c-text);
      line-height: 1.4;
    }

    .mega-news-item span {
      font-size: 12px;
      color: var(--c-text-muted);
    }

    .mega-links {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .mega-links a {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--c-text-muted);
      font-weight: 500;
      padding: 8px 10px;
      border-radius: 8px;
      transition: color .3s ease, background .3s ease;
    }

    .mega-links a::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--c-primary);
      flex-shrink: 0;
      opacity: .6;
    }

    .mega-links a:hover {
      color: var(--c-primary);
      background: rgba(109,72,255,0.06);
    }

    .nav-toggle {
      display: none;
      background: none;
      font-size: 22px;
      color: var(--c-text);
      cursor: pointer;
      padding: 8px;
    }

    .mobile-drawer {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      z-index: 999;
      background: #fff;
      padding: 16px 24px 24px;
      box-shadow: 0 16px 32px rgba(23,20,42,0.12);
      border-bottom: 1px solid var(--c-border);
      flex-direction: column;
      gap: 4px;
    }

    .mobile-drawer.open {
      display: flex;
    }

    .mobile-drawer a {
      padding: 12px 14px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 500;
      color: var(--c-text);
    }

    .mobile-drawer a:hover,
    .mobile-drawer a.active {
      background: rgba(109,72,255,0.08);
      color: var(--c-primary);
    }

    /* ===== Page Hero / Category Header ===== */
    .page-hero {
      position: relative;
      padding: 72px 0 80px;
      background: linear-gradient(135deg, #F1EEFC, #FAF7FF 50%, #F3F0FB);
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.18;
      pointer-events: none;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      top: -80px;
      right: -80px;
      width: 280px;
      height: 280px;
      background: radial-gradient(circle, rgba(109,72,255,0.14), transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .page-hero-grid {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }

    .page-hero-text {
      flex: 1.2;
    }

    .page-hero-text h1 {
      font-size: 40px;
      font-weight: 800;
      line-height: 1.2;
      margin: 0 0 16px;
      color: var(--c-text);
    }

    .page-hero-text h1 .highlight {
      color: var(--c-primary);
    }

    .page-hero-sub {
      font-size: 16px;
      color: var(--c-text-muted);
      margin: 0 0 24px;
      letter-spacing: 0.5px;
    }

    .page-hero-cta {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .page-hero-stats {
      display: flex;
      gap: 16px;
      flex-shrink: 0;
      flex-wrap: wrap;
      justify-content: center;
    }

    .page-hero-stats .data-badge:nth-child(2) {
      transform: translateY(14px);
    }

    .page-hero-stats .data-badge:nth-child(3) {
      transform: translateY(28px);
    }

    /* ===== Description ===== */
    .desc-section {
      padding: 60px 0;
    }

    .desc-card {
      position: relative;
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-card);
      display: flex;
      gap: 32px;
      align-items: flex-start;
    }

    .desc-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 32px;
      bottom: 32px;
      width: 4px;
      border-radius: 0 4px 4px 0;
      background: var(--grad-main);
    }

    .desc-body {
      flex: 1;
    }

    .desc-body h2 {
      font-size: 24px;
      font-weight: 700;
      margin: 0 0 16px;
      color: var(--c-text);
    }

    .desc-body p {
      font-size: 15px;
      color: var(--c-text-muted);
      line-height: 1.9;
      margin: 0 0 16px;
    }

    .desc-body p:last-child {
      margin-bottom: 0;
    }

    .desc-badges {
      display: flex;
      flex-direction: column;
      gap: 12px;
      flex-shrink: 0;
      min-width: 200px;
    }

    .desc-badge-item {
      display: flex;
      align-items: center;
      gap: 12px;
      background: var(--c-bg-light);
      border-radius: 12px;
      padding: 14px 18px;
      border: 1px solid var(--c-border);
    }

    .desc-badge-item i {
      font-size: 20px;
      color: var(--c-primary);
    }

    .desc-badge-item span {
      font-size: 12px;
      color: var(--c-text-muted);
      line-height: 1.3;
    }

    .desc-badge-item strong {
      font-family: var(--font-num);
      font-size: 18px;
      font-weight: 700;
      color: var(--c-text);
      display: block;
    }

    /* ===== Login Method Cards ===== */
    .login-methods {
      padding: 80px 0;
      background: #fff;
    }

    .method-card {
      background: var(--c-bg-light);
      border: 1px solid var(--c-border);
      border-radius: var(--radius-lg);
      padding: 28px;
      height: 100%;
      transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
      display: flex;
      flex-direction: column;
    }

    .method-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(109,72,255,0.3);
    }

    .method-card .method-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: var(--grad-main);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 18px;
      box-shadow: 0 6px 16px rgba(109,72,255,0.25);
    }

    .method-card h3 {
      font-size: 20px;
      font-weight: 700;
      margin: 0 0 10px;
    }

    .method-card p {
      font-size: 14px;
      color: var(--c-text-muted);
      line-height: 1.7;
      margin: 0 0 16px;
      flex: 1;
    }

    .method-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    /* ===== Scenarios ===== */
    .scenarios-section {
      padding: 80px 0;
      background: var(--c-bg-light);
    }

    .scenario-card {
      text-align: center;
      padding: 32px 24px;
      border-radius: var(--radius-md);
      background: #fff;
      border: 1px solid var(--c-border);
      box-shadow: var(--shadow-card);
      height: 100%;
      transition: transform .3s ease, box-shadow .3s ease;
    }

    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .scenario-card i {
      font-size: 32px;
      color: var(--c-primary);
      margin-bottom: 16px;
      display: inline-block;
    }

    .scenario-card h3 {
      font-size: 18px;
      font-weight: 600;
      margin: 0 0 8px;
    }

    .scenario-card p {
      font-size: 14px;
      color: var(--c-text-muted);
      margin: 0;
      line-height: 1.6;
    }

    /* ===== Timeline ===== */
    .timeline-section {
      padding: 80px 0;
      background: #fff;
    }

    .timeline {
      position: relative;
      max-width: 860px;
      margin: 0 auto;
      padding: 20px 0;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 50%;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, var(--c-primary), rgba(109,72,255,0.15));
      transform: translateX(-50%);
    }

    .timeline-item {
      position: relative;
      width: 50%;
      padding: 0 40px 40px;
    }

    .timeline-item:nth-child(odd) {
      left: 0;
      text-align: right;
    }

    .timeline-item:nth-child(even) {
      left: 50%;
      text-align: left;
    }

    .timeline-dot {
      position: absolute;
      top: 4px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--grad-main);
      box-shadow: 0 0 0 4px rgba(109,72,255,0.15);
      z-index: 1;
    }

    .timeline-item:nth-child(odd) .timeline-dot {
      right: -8px;
    }

    .timeline-item:nth-child(even) .timeline-dot {
      left: -8px;
    }

    .timeline-item h4 {
      font-size: 18px;
      font-weight: 700;
      margin: 0 0 4px;
      color: var(--c-primary);
    }

    .timeline-item h3 {
      font-size: 18px;
      font-weight: 600;
      margin: 0 0 6px;
      color: var(--c-text);
    }

    .timeline-item p {
      font-size: 14px;
      color: var(--c-text-muted);
      line-height: 1.7;
      margin: 0;
    }

    /* ===== FAQ ===== */
    .faq-section {
      padding: 80px 0;
      background: var(--c-bg-light);
    }

    .faq-list {
      max-width: 840px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: box-shadow .3s ease;
    }

    .faq-item.open {
      box-shadow: var(--shadow-hover);
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--c-text);
      background: none;
      width: 100%;
      text-align: left;
    }

    .faq-question .faq-icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: rgba(109,72,255,0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      color: var(--c-primary);
      transition: transform .3s ease, background .3s ease;
      flex-shrink: 0;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: var(--c-primary);
      color: #fff;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .4s ease, opacity .4s ease;
      opacity: 0;
    }

    .faq-item.open .faq-answer {
      max-height: 400px;
      opacity: 1;
    }

    .faq-answer-inner {
      padding: 0 20px 20px 24px;
      margin-left: 20px;
      border-left: 4px solid var(--c-primary);
      background: var(--c-bg-light);
      border-radius: 0 10px 10px 0;
      font-size: 14px;
      color: var(--c-text-muted);
      line-height: 1.8;
      padding-top: 14px;
    }

    /* ===== Related Categories ===== */
    .relate-section {
      padding: 80px 0;
      background: #fff;
    }

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

    .relate-card {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--c-border);
      background: var(--c-bg-light);
      transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    }

    .relate-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(109,72,255,0.3);
    }

    .relate-card i {
      font-size: 22px;
      color: var(--c-primary);
      flex-shrink: 0;
    }

    .relate-card h4 {
      font-size: 15px;
      font-weight: 600;
      margin: 0 0 2px;
      color: var(--c-text);
    }

    .relate-card span {
      font-size: 12px;
      color: var(--c-text-muted);
    }

    .relate-card .arrow {
      margin-left: auto;
      color: var(--c-primary);
      font-size: 16px;
    }

    /* ===== CTA ===== */
    .cta-section {
      position: relative;
      padding: 80px 0;
      background: var(--c-bg-dark);
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      top: -60px;
      left: 10%;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(109,72,255,0.35), transparent 70%);
      border-radius: 50%;
    }

    .cta-section::after {
      content: "";
      position: absolute;
      bottom: -80px;
      right: 0;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(255,122,41,0.2), transparent 70%);
      border-radius: 50%;
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 720px;
      margin: 0 auto;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      padding: 60px;
      border-radius: var(--radius-lg);
      box-shadow: 0 20px 48px rgba(0,0,0,0.3);
    }

    .cta-inner h2 {
      font-size: 30px;
      font-weight: 800;
      color: #fff;
      margin: 0 0 16px;
      line-height: 1.3;
    }

    .cta-inner p {
      font-size: 16px;
      color: rgba(255,255,255,0.85);
      margin: 0 0 28px;
    }

    .cta-actions {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .cta-note {
      margin-top: 20px;
      font-size: 12px;
      color: rgba(255,255,255,0.6);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--c-bg-dark);
      padding: 64px 0 0;
      color: rgba(255,255,255,0.8);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 48px;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .footer-logo .logo-icon {
      background: var(--grad-main);
      color: #fff;
    }

    .footer-logo .logo-text {
      color: #fff;
      font-size: 20px;
      font-weight: 800;
    }

    .footer-logo .logo-text span {
      color: #A78BFA;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255,255,255,0.65);
      margin: 0 0 20px;
    }

    .footer-social {
      display: flex;
      gap: 10px;
    }

    .footer-social a {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: rgba(255,255,255,0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(255,255,255,0.7);
      font-size: 15px;
      transition: background .3s ease, color .3s ease, transform .3s ease;
    }

    .footer-social a:hover {
      background: var(--c-primary);
      color: #fff;
      transform: translateY(-2px);
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin: 0 0 18px;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul a {
      font-size: 14px;
      color: rgba(255,255,255,0.65);
      transition: color .3s ease;
    }

    .footer-col ul a:hover {
      color: #A78BFA;
    }

    .footer-contact li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: rgba(255,255,255,0.65);
      margin-bottom: 10px;
    }

    .footer-contact i {
      color: #A78BFA;
      width: 16px;
      text-align: center;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding: 20px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .footer-bottom p {
      margin: 0;
      font-size: 13px;
      color: rgba(255,255,255,0.5);
    }

    .footer-bottom a {
      color: rgba(255,255,255,0.5);
    }

    .footer-bottom a:hover {
      color: #A78BFA;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .mega-panel {
        width: 720px;
      }

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

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

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }

      .mega-trigger-wrap {
        display: none;
      }

      .nav-toggle {
        display: block;
      }

      .header-actions .btn-sm {
        display: none;
      }

      .section {
        padding: 48px 0;
      }

      .page-hero {
        padding: 48px 0 56px;
      }

      .page-hero-text h1 {
        font-size: 28px;
      }

      .page-hero-grid {
        flex-direction: column;
        gap: 24px;
      }

      .page-hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
      }

      .page-hero-stats .data-badge:nth-child(2),
      .page-hero-stats .data-badge:nth-child(3) {
        transform: none;
      }

      .desc-card {
        flex-direction: column;
        padding: 28px;
      }

      .desc-badges {
        flex-direction: row;
        flex-wrap: wrap;
        min-width: 0;
      }

      .timeline::before {
        left: 8px;
      }

      .timeline-item,
      .timeline-item:nth-child(odd),
      .timeline-item:nth-child(even) {
        width: 100%;
        left: 0;
        text-align: left;
        padding: 0 0 32px 36px;
      }

      .timeline-item:nth-child(odd) .timeline-dot,
      .timeline-item:nth-child(even) .timeline-dot {
        left: 0;
        right: auto;
      }

      .timeline-item:nth-child(odd) h4,
      .timeline-item:nth-child(even) h4 {
        text-align: left;
      }

      .cta-inner {
        padding: 40px 24px;
      }

      .cta-inner h2 {
        font-size: 24px;
      }

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

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

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

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

      .page-hero-text h1 {
        font-size: 24px;
      }

      .page-hero-sub {
        font-size: 14px;
      }

      .page-hero-cta {
        flex-direction: column;
      }

      .page-hero-cta .btn {
        width: 100%;
      }

      .desc-card {
        padding: 24px;
      }

      .desc-badges {
        flex-direction: column;
      }

      .section-header p {
        font-size: 14px;
      }

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

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

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }

      .cta-actions {
        flex-direction: column;
      }

      .cta-actions .btn {
        width: 100%;
      }
    }

/* roulang page: category3 */
:root {
      --c-primary: #6D48FF;
      --c-primary-deep: #4A2AC7;
      --c-accent: #FF7A29;
      --c-bg-light: #F7F6FB;
      --c-bg-white: #FFFFFF;
      --c-bg-dark: #17142A;
      --c-text: #222033;
      --c-text-muted: #6B6887;
      --c-border: #E7E5F1;
      --c-success: #2ABE72;
      --c-error: #E5484D;
      --r-lg: 20px;
      --r-md: 14px;
      --r-sm: 10px;
      --shadow-card: 0 2px 12px rgba(41, 28, 85, 0.08);
      --shadow-hover: 0 12px 32px rgba(109, 72, 255, 0.16);
      --shadow-btn: 0 4px 14px rgba(255, 122, 41, 0.35);
      --gradient-main: linear-gradient(135deg, #6D48FF, #8B5CF6, #A78BFA);
      --gradient-btn: linear-gradient(135deg, #FF7A29, #FF9A5C);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
      font-size: 16px;
      line-height: 1.8;
      color: var(--c-text);
      background: var(--c-bg-light);
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: var(--c-primary);
      text-decoration: none;
      transition: color 0.3s, background 0.3s, transform 0.3s, box-shadow 0.3s;
    }

    a:hover,
    a:focus {
      color: var(--c-primary-deep);
    }

    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--r-sm);
      font-weight: 600;
      font-size: 15px;
      line-height: 1.4;
      cursor: pointer;
      border: 1px solid transparent;
      transition: transform 0.25s, box-shadow 0.25s, background 0.25s, color 0.25s, brightness 0.25s, border-color 0.25s;
      outline: none;
      text-align: center;
    }

    .btn:focus-visible {
      outline: 2px solid rgba(109, 72, 255, 0.3);
      outline-offset: 2px;
    }

    .btn-primary {
      background: var(--gradient-main);
      color: #fff;
      box-shadow: 0 4px 14px rgba(109, 72, 255, 0.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(109, 72, 255, 0.36);
      filter: brightness(1.08);
      color: #fff;
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 2px 8px rgba(109, 72, 255, 0.22);
    }

    .btn-accent {
      background: var(--gradient-btn);
      color: #fff;
      box-shadow: var(--shadow-btn);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(255, 122, 41, 0.42);
      filter: brightness(1.08);
      color: #fff;
    }

    .btn-outline {
      background: #fff;
      border: 1px solid var(--c-primary);
      color: var(--c-primary);
    }

    .btn-outline:hover {
      background: rgba(109, 72, 255, 0.08);
      border-color: var(--c-primary-deep);
      color: var(--c-primary-deep);
      transform: translateY(-2px);
    }

    .btn-lg {
      padding: 14px 36px;
      font-size: 16px;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      height: 72px;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--c-border);
      transition: box-shadow 0.3s;
    }

    .site-header.scrolled {
      box-shadow: 0 8px 30px rgba(41, 28, 85, 0.08);
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 16px;
    }

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

    .logo-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: var(--gradient-main);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      box-shadow: 0 4px 14px rgba(109, 72, 255, 0.3);
    }

    .logo-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--c-text);
      letter-spacing: 0.5px;
    }

    .logo-text span {
      color: var(--c-primary);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      padding: 10px 18px;
      border-radius: 8px;
      color: var(--c-text-muted);
      font-size: 15px;
      font-weight: 500;
      transition: background 0.3s, color 0.3s;
    }

    .nav-links a:hover {
      color: var(--c-primary);
      background: rgba(109, 72, 255, 0.06);
    }

    .nav-links a.active {
      color: var(--c-primary);
      background: rgba(109, 72, 255, 0.1);
      font-weight: 600;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .mega-trigger {
      position: relative;
    }

    .btn-quick {
      background: #fff;
      border: 1px solid var(--c-border);
      color: var(--c-text);
      padding: 10px 18px;
      font-size: 14px;
      border-radius: var(--r-sm);
      cursor: pointer;
      transition: all 0.3s;
    }

    .btn-quick:hover {
      border-color: var(--c-primary);
      color: var(--c-primary);
      background: rgba(109, 72, 255, 0.04);
    }

    .mega-panel {
      position: absolute;
      top: calc(100% + 18px);
      left: 50%;
      transform: translateX(-50%) translateY(12px);
      width: 920px;
      max-width: calc(100vw - 48px);
      background: #fff;
      border-radius: var(--r-lg);
      box-shadow: 0 24px 60px rgba(23, 20, 42, 0.18);
      padding: 30px;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
      border: 1px solid var(--c-border);
    }

    .mega-trigger:hover .mega-panel,
    .mega-trigger:focus-within .mega-panel {
      opacity: 1;
      visibility: visible;
      transform: translateX(-50%) translateY(0);
    }

    .mega-panel::before {
      content: "";
      position: absolute;
      top: -8px;
      left: 50%;
      transform: translateX(-50%) rotate(45deg);
      width: 16px;
      height: 16px;
      background: #fff;
      border-left: 1px solid var(--c-border);
      border-top: 1px solid var(--c-border);
      border-radius: 3px;
    }

    .mega-panel h5 {
      font-size: 14px;
      font-weight: 600;
      color: var(--c-text-muted);
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--c-border);
    }

    .mega-cats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    .mega-cats a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 14px;
      border-radius: var(--r-sm);
      background: var(--c-bg-light);
      color: var(--c-text);
      font-size: 14px;
      font-weight: 500;
      transition: background 0.3s, color 0.3s;
    }

    .mega-cats a i {
      color: var(--c-primary);
      width: 18px;
      text-align: center;
    }

    .mega-cats a:hover {
      background: rgba(109, 72, 255, 0.08);
      color: var(--c-primary);
    }

    .mega-posts {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .mega-posts a {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 8px;
      border-radius: var(--r-sm);
      transition: background 0.3s, transform 0.3s;
    }

    .mega-posts a:hover {
      background: var(--c-bg-light);
      transform: translateX(-5px);
    }

    .mega-posts img {
      width: 64px;
      height: 48px;
      object-fit: cover;
      border-radius: 8px;
      flex-shrink: 0;
    }

    .mega-posts span {
      font-size: 14px;
      font-weight: 500;
      color: var(--c-text);
      display: block;
      line-height: 1.4;
    }

    .mega-posts small {
      font-size: 12px;
      color: var(--c-text-muted);
      display: block;
    }

    .mega-links {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .mega-links a {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--c-text);
      padding: 6px 0;
    }

    .mega-links a::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--c-primary);
      flex-shrink: 0;
    }

    .mega-links a:hover {
      color: var(--c-primary);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 22px;
      color: var(--c-text);
      cursor: pointer;
      padding: 8px;
      border-radius: 8px;
    }

    .nav-toggle:hover {
      background: var(--c-bg-light);
    }

    /* ===== Category Hero ===== */
    .cat-hero {
      position: relative;
      padding: 140px 0 80px;
      background: var(--gradient-main);
      overflow: hidden;
      color: #fff;
    }

    .cat-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px);
      background-size: 26px 26px;
      pointer-events: none;
    }

    .cat-hero::after {
      content: "";
      position: absolute;
      right: -120px;
      top: -120px;
      width: 380px;
      height: 380px;
      background: radial-gradient(circle, rgba(255, 122, 41, 0.3), transparent 65%);
      border-radius: 50%;
      pointer-events: none;
    }

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

    .cat-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.16);
      border: 1px solid rgba(255, 255, 255, 0.28);
      backdrop-filter: blur(6px);
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 1px;
      color: #fff;
      margin-bottom: 20px;
    }

    .cat-hero h1 {
      font-size: 42px;
      line-height: 1.25;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
      letter-spacing: 1px;
    }

    .cat-hero h1 .highlight {
      color: #FFD9A8;
    }

    .hero-sub {
      font-size: 17px;
      line-height: 1.6;
      color: rgba(255, 255, 255, 0.92);
      margin-bottom: 12px;
      letter-spacing: 2px;
    }

    .hero-desc {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.7);
      max-width: 520px;
      margin-bottom: 32px;
    }

    .hero-cta {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .hero-cta .btn-outline {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.6);
      color: #fff;
    }

    .hero-cta .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #fff;
      color: #fff;
    }

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      justify-content: center;
      position: relative;
    }

    .hero-badge-card {
      width: 170px;
      padding: 26px 20px;
      border-radius: var(--r-lg);
      background: rgba(255, 255, 255, 0.14);
      border: 1px solid rgba(255, 255, 255, 0.22);
      backdrop-filter: blur(8px);
      text-align: center;
      transition: transform 0.3s, background 0.3s;
    }

    .hero-badge-card:nth-child(2) {
      transform: translateY(24px);
    }

    .hero-badge-card:nth-child(3) {
      transform: translateY(8px);
    }

    .hero-badge-card:hover {
      transform: translateY(-4px);
      background: rgba(255, 255, 255, 0.2);
    }

    .hero-badge-card .num {
      font-family: "DIN Alternate", "Barlow", "Inter", sans-serif;
      font-size: 36px;
      font-weight: 800;
      line-height: 1.2;
      color: #fff;
      font-variant-numeric: tabular-nums;
    }

    .hero-badge-card .label {
      font-size: 12px;
      color: rgba(255, 255, 255, 0.75);
      margin-top: 8px;
      letter-spacing: 1px;
    }

    .scroll-indicator {
      text-align: center;
      margin-top: 60px;
      color: rgba(255, 255, 255, 0.7);
      font-size: 12px;
    }

    .scroll-indicator .line {
      display: block;
      width: 1px;
      height: 36px;
      background: rgba(255, 255, 255, 0.5);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    /* ===== Description ===== */
    .cat-desc {
      padding: 72px 0 8px;
    }

    .desc-card {
      background: var(--c-bg-white);
      border-radius: var(--r-lg);
      padding: 36px 40px;
      border: 1px solid var(--c-border);
      box-shadow: var(--shadow-card);
      display: flex;
      gap: 32px;
      align-items: center;
      flex-wrap: wrap;
      position: relative;
    }

    .desc-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 4px;
      border-radius: 4px 0 0 4px;
      background: var(--gradient-main);
    }

    .desc-text {
      flex: 1;
      min-width: 260px;
    }

    .desc-text p {
      color: var(--c-text-muted);
      font-size: 15px;
      line-height: 1.9;
    }

    .desc-badges {
      display: flex;
      gap: 14px;
      flex-shrink: 0;
    }

    .mini-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 10px 18px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
      background: rgba(109, 72, 255, 0.08);
      color: var(--c-primary);
      white-space: nowrap;
      border: 1px solid rgba(109, 72, 255, 0.12);
    }

    .mini-badge i {
      font-size: 14px;
    }

    /* ===== Event Cards ===== */
    .event-section {
      padding: 72px 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      margin-bottom: 40px;
      gap: 16px;
      flex-wrap: wrap;
    }

    .section-head h2 {
      font-size: 30px;
      font-weight: 700;
      color: var(--c-text);
      line-height: 1.3;
      position: relative;
    }

    .section-head h2::after {
      content: "";
      display: block;
      width: 48px;
      height: 4px;
      border-radius: 4px;
      background: var(--gradient-main);
      margin-top: 10px;
    }

    .section-head p {
      color: var(--c-text-muted);
      font-size: 14px;
      max-width: 420px;
    }

    .event-card {
      background: var(--c-bg-white);
      border-radius: var(--r-lg);
      border: 1px solid var(--c-border);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      height: 100%;
      transition: transform 0.3s, box-shadow 0.3s;
      display: flex;
      flex-direction: column;
    }

    .event-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .event-thumb {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 9;
    }

    .event-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s;
    }

    .event-card:hover .event-thumb img {
      transform: scale(1.02);
    }

    .event-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(23, 20, 42, 0.72);
      backdrop-filter: blur(6px);
      color: #fff;
      padding: 5px 14px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 500;
      border: 1px solid rgba(255, 255, 255, 0.18);
    }

    .event-tag.hot {
      background: linear-gradient(135deg, #FF7A29, #FF9A5C);
      border: none;
    }

    .event-body {
      padding: 24px 22px 26px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .event-body h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--c-text);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .event-body p {
      font-size: 14px;
      color: var(--c-text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .event-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      font-size: 13px;
      color: var(--c-text-muted);
      margin-bottom: 16px;
    }

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

    .event-meta i {
      color: var(--c-primary);
    }

    .link-more {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--c-primary);
      margin-top: auto;
    }

    .link-more i {
      transition: transform 0.3s;
    }

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

    /* ===== Features ===== */
    .feature-section {
      padding: 72px 0;
      background: var(--c-bg-white);
      border-top: 1px solid var(--c-border);
      border-bottom: 1px solid var(--c-border);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 28px;
    }

    .feature-main-card {
      background: var(--c-bg-light);
      border: 1px solid var(--c-border);
      border-radius: var(--r-lg);
      padding: 40px;
      position: relative;
      overflow: hidden;
    }

    .feature-main-card::before {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 200px;
      height: 200px;
      background: radial-gradient(circle, rgba(109, 72, 255, 0.12), transparent 70%);
      border-radius: 50%;
    }

    .feature-main-card .icon-wrap {
      width: 54px;
      height: 54px;
      border-radius: 14px;
      background: var(--gradient-main);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
      box-shadow: 0 6px 18px rgba(109, 72, 255, 0.25);
    }

    .feature-main-card h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 20px;
      color: var(--c-text);
    }

    .feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 15px;
      color: var(--c-text);
      line-height: 1.6;
    }

    .feature-list li i {
      color: var(--c-success);
      margin-top: 4px;
      font-size: 15px;
      flex-shrink: 0;
    }

    .feature-side {
      display: flex;
      flex-direction: column;
      gap: 28px;
    }

    .feature-side-card {
      background: var(--c-bg-white);
      border: 1px solid var(--c-border);
      border-radius: var(--r-lg);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .feature-side-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .feature-side-card h4 {
      font-size: 17px;
      font-weight: 600;
      margin-bottom: 16px;
      color: var(--c-text);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .feature-side-card h4 i {
      color: var(--c-primary);
    }

    .cal-list,
    .rank-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .cal-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--c-text-muted);
      padding: 8px 10px;
      border-radius: 8px;
      background: var(--c-bg-light);
    }

    .cal-list li .day {
      font-weight: 600;
      color: var(--c-primary);
      width: 60px;
      flex-shrink: 0;
    }

    .rank-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--c-text);
      padding: 8px 10px;
      border-radius: 8px;
      background: var(--c-bg-light);
    }

    .rank-list li .rank {
      width: 24px;
      height: 24px;
      border-radius: 6px;
      background: var(--gradient-main);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .rank-list li .count {
      margin-left: auto;
      font-size: 13px;
      color: var(--c-accent);
      font-weight: 600;
      font-variant-numeric: tabular-nums;
    }

    /* ===== Process ===== */
    .process-section {
      padding: 72px 0;
    }

    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
      margin-top: 44px;
    }

    .step-item {
      text-align: center;
      padding: 32px 20px;
      background: var(--c-bg-white);
      border: 1px solid var(--c-border);
      border-radius: var(--r-lg);
      box-shadow: var(--shadow-card);
      position: relative;
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .step-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .step-item .step-num {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--gradient-main);
      color: #fff;
      font-weight: 700;
      font-size: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 18px;
      position: absolute;
      top: -18px;
      left: 50%;
      transform: translateX(-50%);
      box-shadow: 0 4px 12px rgba(109, 72, 255, 0.3);
    }

    .step-item i {
      font-size: 28px;
      color: var(--c-primary);
      margin: 12px 0 16px;
    }

    .step-item h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--c-text);
    }

    .step-item p {
      font-size: 13px;
      color: var(--c-text-muted);
      line-height: 1.6;
    }

    /* ===== Related Categories ===== */
    .related-section {
      padding: 72px 0;
      background: var(--c-bg-white);
      border-top: 1px solid var(--c-border);
    }

    .related-cats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 36px;
    }

    .related-card {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 22px 24px;
      background: var(--c-bg-light);
      border: 1px solid var(--c-border);
      border-radius: var(--r-md);
      transition: all 0.3s;
    }

    .related-card:hover {
      background: rgba(109, 72, 255, 0.06);
      border-color: var(--c-primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }

    .related-card .related-icon {
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: #fff;
      border: 1px solid var(--c-border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      color: var(--c-primary);
      flex-shrink: 0;
      transition: background 0.3s;
    }

    .related-card:hover .related-icon {
      background: var(--gradient-main);
      color: #fff;
      border-color: transparent;
    }

    .related-card .related-name {
      font-size: 15px;
      font-weight: 600;
      color: var(--c-text);
      flex: 1;
    }

    .related-card .related-arrow {
      color: var(--c-text-muted);
      font-size: 14px;
      transition: transform 0.3s, color 0.3s;
    }

    .related-card:hover .related-arrow {
      transform: translateX(4px);
      color: var(--c-primary);
    }

    /* ===== FAQ ===== */
    .faq-section {
      padding: 72px 0;
    }

    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: var(--c-bg-white);
      border: 1px solid var(--c-border);
      border-radius: 12px;
      overflow: hidden;
      transition: box-shadow 0.3s, border-color 0.3s;
    }

    .faq-item.active {
      border-color: rgba(109, 72, 255, 0.4);
      box-shadow: 0 6px 24px rgba(109, 72, 255, 0.1);
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 24px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--c-text);
      user-select: none;
    }

    .faq-question .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(109, 72, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      color: var(--c-primary);
      transition: transform 0.35s;
      flex-shrink: 0;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, opacity 0.35s;
      opacity: 0;
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      opacity: 1;
      border-top: 1px solid rgba(109, 72, 255, 0.1);
    }

    .faq-answer-inner {
      padding: 16px 24px 22px;
      margin-left: 4px;
      border-left: 4px solid var(--c-primary);
      background: var(--c-bg-light);
      font-size: 14px;
      color: var(--c-text-muted);
      line-height: 1.8;
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: 72px 0;
      background: var(--c-bg-dark);
      position: relative;
      overflow: hidden;
    }

    .cta-section::before,
    .cta-section::after {
      content: "";
      position: absolute;
      border-radius: 50%;
      pointer-events: none;
    }

    .cta-section::before {
      width: 280px;
      height: 280px;
      background: radial-gradient(circle, rgba(109, 72, 255, 0.15), transparent 65%);
      left: -80px;
      top: -80px;
    }

    .cta-section::after {
      width: 380px;
      height: 380px;
      background: radial-gradient(circle, rgba(255, 122, 41, 0.08), transparent 60%);
      right: -100px;
      bottom: -100px;
    }

    .cta-inner {
      position: relative;
      z-index: 2;
      text-align: center;
      color: #fff;
    }

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

    .cta-inner p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.7);
      max-width: 620px;
      margin: 0 auto 36px;
    }

    .cta-buttons {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .cta-stat {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.6);
      margin-bottom: 20px;
      padding: 8px 18px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .cta-stat i {
      color: var(--c-accent);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--c-bg-dark);
      color: rgba(255, 255, 255, 0.7);
      padding: 64px 0 0;
      font-size: 14px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
      gap: 40px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .footer-logo .logo-icon {
      background: var(--gradient-main);
      width: 36px;
      height: 36px;
      font-size: 16px;
      border-radius: 9px;
    }

    .footer-logo .logo-text {
      color: #fff;
      font-size: 19px;
    }

    .footer-logo .logo-text span {
      color: var(--c-accent);
    }

    .footer-brand p {
      color: rgba(255, 255, 255, 0.55);
      line-height: 1.8;
      font-size: 14px;
      margin-bottom: 20px;
    }

    .footer-social {
      display: flex;
      gap: 10px;
    }

    .footer-social a {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(255, 255, 255, 0.7);
      font-size: 15px;
      transition: all 0.3s;
    }

    .footer-social a:hover {
      background: var(--c-primary);
      border-color: transparent;
      color: #fff;
      transform: translateY(-2px);
    }

    .footer-col h4 {
      color: #fff;
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-col ul li a {
      color: rgba(255, 255, 255, 0.55);
      transition: color 0.3s, padding-left 0.3s;
    }

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

    .footer-contact li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(255, 255, 255, 0.55);
    }

    .footer-contact li i {
      color: var(--c-accent);
      width: 18px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 24px 0;
      flex-wrap: wrap;
      gap: 10px;
      color: rgba(255, 255, 255, 0.4);
      font-size: 13px;
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, 0.4);
    }

    .footer-bottom a:hover {
      color: #fff;
    }

    /* ===== Mobile Drawer ===== */
    .mobile-drawer {
      position: fixed;
      top: 0;
      right: -320px;
      width: 300px;
      height: 100%;
      background: #fff;
      z-index: 1100;
      padding: 24px;
      box-shadow: -10px 0 40px rgba(23, 20, 42, 0.2);
      transition: right 0.35s ease;
      display: flex;
      flex-direction: column;
      gap: 8px;
      overflow-y: auto;
    }

    .mobile-drawer.open {
      right: 0;
    }

    .drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }

    .drawer-header .site-logo .logo-text {
      font-size: 18px;
    }

    .drawer-close {
      background: none;
      border: none;
      font-size: 20px;
      color: var(--c-text);
      cursor: pointer;
      padding: 6px;
    }

    .drawer-links {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .drawer-links a {
      display: block;
      padding: 12px 14px;
      border-radius: 8px;
      color: var(--c-text);
      font-size: 15px;
      font-weight: 500;
      border-bottom: 1px solid var(--c-border);
    }

    .drawer-links a.active {
      background: rgba(109, 72, 255, 0.08);
      color: var(--c-primary);
    }

    .drawer-cta {
      margin-top: auto;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(23, 20, 42, 0.5);
      z-index: 1050;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s, visibility 0.3s;
    }

    .drawer-overlay.show {
      opacity: 1;
      visibility: visible;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .feature-grid {
        grid-template-columns: 1fr;
      }

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

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

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

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }

      .nav-actions .mega-trigger,
      .nav-actions .btn-primary {
        display: none;
      }

      .nav-toggle {
        display: inline-flex;
      }

      .site-header {
        height: 64px;
      }

      .nav-wrap {
        height: 64px;
      }

      .cat-hero {
        padding: 110px 0 56px;
      }

      .cat-hero h1 {
        font-size: 30px;
      }

      .hero-sub {
        font-size: 15px;
      }

      .hero-badges {
        margin-top: 28px;
      }

      .hero-badge-card:nth-child(2) {
        transform: translateY(12px);
      }

      .hero-badge-card:nth-child(3) {
        transform: translateY(0);
      }

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

      .desc-card {
        padding: 28px 24px;
      }

      .desc-badges {
        flex-wrap: wrap;
      }
    }

    @media (max-width: 640px) {
      .container {
        padding: 0 16px;
      }

      .cat-hero {
        padding: 100px 0 44px;
      }

      .cat-hero h1 {
        font-size: 26px;
      }

      .hero-cta .btn {
        padding: 12px 22px;
        font-size: 14px;
      }

      .hero-badge-card {
        width: 46%;
        padding: 20px 14px;
      }

      .event-section {
        padding: 48px 0;
      }

      .feature-section {
        padding: 48px 0;
      }

      .feature-main-card {
        padding: 28px 20px;
      }

      .process-section {
        padding: 48px 0;
      }

      .process-steps {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .step-item {
        padding: 26px 18px;
      }

      .related-section {
        padding: 48px 0;
      }

      .related-cats {
        grid-template-columns: 1fr;
      }

      .faq-section {
        padding: 48px 0;
      }

      .cta-section {
        padding: 48px 0;
      }

      .cta-inner h2 {
        font-size: 24px;
      }

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

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }

      .mega-panel {
        display: none;
      }
    }