/* roulang page: index */
:root{
  --space:#0B0E21;
  --space2:#111634;
  --light:#F6F7FC;
  --white:#ffffff;
  --ink:#1E293B;
  --muted:#64748B;
  --line:#E6E9F2;
  --grad:linear-gradient(135deg,#7C3AED,#EC4899);
  --pulse:#22D3EE;
  --gold:#F5B93F;
  --radius-lg:24px;
  --radius-md:16px;
  --shadow:0 2px 8px rgba(15,23,42,.04),0 12px 32px rgba(15,23,42,.06);
  --shadow-h:0 8px 24px rgba(124,58,237,.12);
}
html{scroll-behavior:smooth}
body{
  background:var(--white);
  color:var(--ink);
  font-family:'PingFang SC','Microsoft YaHei','system-ui','sans-serif';
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
*{box-sizing:border-box}
.container{max-width:1280px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
a{color:inherit;text-decoration:none;transition:all .2s ease}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit}
section{width:100%}
.section{background:var(--light)}
.section-white{background:var(--white)}
.text-gold{color:var(--gold)}
.bg-ink{background:var(--space)}
.bg-soft{background:var(--light)}
.text-gradient{
  background:linear-gradient(120deg,#fff,#C4B5FD 50%,#F0ABFC);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.text-brand{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:42px;flex-wrap:wrap;
}
.section-kicker{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;
  font-weight:600;color:#7C3AED;letter-spacing:.08em;
  text-transform:uppercase;background:#F3F0FF;padding:6px 14px;
  border-radius:999px;margin-bottom:14px;
}
.section-title{
  font-size:clamp(28px,2.6vw,38px);font-weight:800;line-height:1.25;
  color:#111827;
}
.section-desc{max-width:640px;color:var(--muted);font-size:15px}
.glabel{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:999px;background:#F3F0FF;color:#7C3AED;
}
.glabel.gold{background:rgba(245,185,63,.14);color:#b7861d}
.glabel.gray{background:#F1F5F9;color:#64748B}
/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:999px;padding:13px 28px;font-size:15px;font-weight:700;
  cursor:pointer;transition:all .25s ease;border:1px solid transparent;
  line-height:1.2;white-space:nowrap;
}
.btn-primary{
  background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(124,58,237,.28);
}
.btn-primary:hover{
  filter:brightness(1.08);box-shadow:0 12px 28px rgba(124,58,237,.35);
  transform:translateY(-2px);color:#fff;
}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{
  background:rgba(255,255,255,.08);color:#fff;
  border-color:rgba(255,255,255,.28);backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  border-color:#fff;background:rgba(255,255,255,.16);color:#fff;transform:translateY(-1px);
}
.btn-ghost-white{
  background:#fff;color:var(--ink);border-color:#fff;
}
.btn-ghost-white:hover{background:#F3F0FF;color:#5B21B6;border-color:#fff}
.btn-dark{
  background:var(--space);color:#fff;
}
.btn-dark:hover{background:#221B45;color:#fff}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #EDEFF5;
  box-shadow:0 4px 20px rgba(15,23,42,.02);
}
.nav-wrap{display:flex;align-items:center;height:72px;gap:28px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-star{
  width:42px;height:42px;flex-shrink:0;position:relative;
  background:var(--grad);border-radius:12px;display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(124,58,237,.24);
}
.brand-star svg{width:24px;height:24px}
.brand-name{
  font-size:18px;font-weight:800;letter-spacing:.01em;color:#111827;line-height:1.2;
}
.brand-tag{
  display:inline-flex;align-items:center;font-size:11px;font-weight:700;
  padding:3px 10px;border-radius:999px;background:linear-gradient(135deg,#7C3AED,#EC4899);
  color:#fff;gap:4px;line-height:1.6;margin-left:2px;vertical-align:middle;
}
.site-nav{display:flex;gap:4px}
.site-nav a{
  position:relative;font-size:15px;font-weight:600;color:#475569;
  padding:10px 16px;border-radius:999px;
}
.site-nav a:hover{
  color:#7C3AED;background:#F8F5FF;
}
.site-nav a.active{
  background:#F3F0FF;color:#6D28D9;font-weight:700;
}
.site-nav a.active i{
  display:inline-block;width:5px;height:5px;border-radius:50%;
  background:#7C3AED;margin-right:6px;vertical-align:middle;margin-left:-6px;
}
.nav-actions{display:flex;align-items:center;gap:14px}
.search-box{
  width:230px;display:flex;align-items:center;gap:8px;
  background:#F8FAFC;border:1px solid #E2E8F0;border-radius:999px;
  padding:8px 16px;transition:all .2s ease;
}
.search-box:focus-within{
  border-color:#8B5CF6;background:#fff;box-shadow:0 0 0 3px rgba(139,92,246,.12);
}
.search-box input{flex:1;background:transparent;outline:none;border:none;font-size:14px;color:var(--ink)}
.search-box i{color:#94A3B8;font-size:14px;flex-shrink:0}
.mobile-hamburger{display:none;width:44px;height:44px;justify-content:center;align-items:center;background:#F8FAFC;border-radius:12px;font-size:20px;color:#334155;cursor:pointer;border:1px solid #E2E8F0}
.mobile-panel{
  display:none;background:#fff;border-top:1px solid #E2E8F0;
  padding:20px 0 26px;
}
.mobile-panel.open{display:block}
.mobile-panel .panel-inner{display:flex;flex-direction:column;gap:8px}
.mobile-panel a{
  display:block;padding:14px 16px;border-radius:14px;font-weight:600;
  background:#F8FAFC;color:#1E293B;border:1px solid #E8ECF4;
}
.mobile-panel a.active{background:#F3F0FF;color:#6D28D9;border-color:#DDD6FE}
.mobile-panel .btn{justify-content:center;margin-top:12px}
.mobile-search{width:100%;margin-top:4px}

/* hero */
.hero{
  position:relative;background:var(--space);background-size:cover;
  color:#fff;padding:90px 0;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
  radial-gradient(900px 420px at 75% 10%,rgba(124,58,237,.32),transparent 60%),
  radial-gradient(700px 320px at 15% 90%,rgba(236,72,153,.22),transparent 60%),
  url('/assets/images/backpic/back-1.png') center/cover no-repeat,
  linear-gradient(135deg,#0B0E21,#1B1240 55%,#0B0E21);
}
.hero-bg::after{
  content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,14,33,.98) 20%,rgba(17,22,52,.62) 75%,rgba(11,14,33,.35));
}
.hero-stars{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:1070px;width:100%}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);padding:7px 16px;border-radius:999px;
  font-size:13px;color:#E9E4FF;backdrop-filter:blur(8px);
}
.hero-badge i{color:var(--gold);font-size:12px}
.hero-title{
  margin-top:22px;font-size:clamp(42px,5vw,66px);font-weight:900;
  line-height:1.18;letter-spacing:0;
}
.hero-sub{
  max-width:760px;color:#C4C9E0;font-size:17px;margin-top:24px;line-height:1.9;
}
.hero-cta{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.trust-line{
  margin-top:42px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  color:#A2A8C7;font-size:13px;font-weight:500;
}
.trust-line span{display:inline-flex;align-items:center;gap:7px}
.trust-line i{color:#7dffb2;font-size:12px}
.glass-note{
  display:flex;align-items:center;gap:12px;margin-top:38px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:18px;padding:12px 22px;max-width:520px;backdrop-filter:blur(10px);
}
.glass-note i{color:var(--gold);font-size:24px}
.glass-note strong{display:block;font-size:14px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:2px}
.glass-note small{font-size:12px;color:#A9B0D1}

/* stats panel */
.stats-panel{
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  transform:translateY(-52px);
}
.stat-card{
  background:#fff;border-radius:var(--radius-lg);padding:28px 24px;
  box-shadow:var(--shadow);border:1px solid #EEF0F6;
  transition:all .3s ease;position:relative;overflow:hidden;
}
.stat-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:#E4DFF7;
}
.stat-card:first-child{
  background:linear-gradient(135deg,#0B0E21,#1E1647);
  border-color:rgba(255,255,255,.2);
}
.stat-card:first-child .stat-label{color:#A8AED0}
.stat-icon{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:rgba(124,58,237,.12);color:#7C3AED;font-size:17px;margin-bottom:14px;
}
.stat-card:first-child .stat-icon{background:rgba(245,185,63,.16);color:var(--gold)}
.stat-value{font-size:clamp(26px,2.2vw,34px);font-weight:900;color:#111827;line-height:1.2;letter-spacing:-.02em}
.stat-card:first-child .stat-value,.stat-card:first-child .stat-label,.stat-card:first-child .stat-delta{color:#fff}
.stat-label{color:var(--muted);font-size:14px;margin-top:6px;line-height:1.4}
.stat-delta{
  position:absolute;top:26px;right:22px;font-size:12px;font-weight:800;
  color:var(--gold);display:inline-flex;align-items:center;gap:4px;
}

/* service */
.service-matrix{padding:96px 0}
.sm-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.sm-main{
  grid-column:span 5;background:linear-gradient(150deg,#0B0E21,#1F1750 55%,#37125E);
  border-radius:var(--radius-lg);padding:34px;color:#fff;position:relative;overflow:hidden;
}
.sm-main::after{
  content:'星';position:absolute;right:-30px;bottom:-44px;font-size:200px;
  color:rgba(255,255,255,.03);font-weight:900;line-height:1;transform:rotate(12deg);
}
.sm-main .sm-ico{width:50px;height:50px;border-radius:16px;background:rgba(236,72,153,.22);color:#F0ABFC;display:grid;place-items:center;font-size:22px;margin-bottom:20px}
.sm-main h3{font-size:27px;font-weight:800;line-height:1.35}
.sm-main p{color:#C7CBDF;font-size:15px;margin-top:14px}
.sm-main .btn{margin-top:22px}
.sm-meta{display:flex;gap:10px;margin-top:28px;flex-wrap:wrap}
.sm-meta span{font-size:13px;background:rgba(255,255,255,.1);padding:5px 12px;border-radius:999px;color:#D6D6EE}
.sm-side{grid-column:span 7;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.service-tile{
  background:#fff;border-radius:20px;padding:24px;border:1px solid #ECEEF5;
  box-shadow:0 2px 10px rgba(15,23,42,.04);transition:all .3s ease;position:relative;overflow:hidden;
}
.service-tile:hover{border-color:#E2DAFA;box-shadow:var(--shadow-h);transform:translateY(-3px)}
.service-tile .tile-ico{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  font-size:18px;margin-bottom:14px;
}
.tile-ico.purple{background:#F3F0FF;color:#7C3AED}
.tile-ico.pink{background:#FDF1F8;color:#EC4899}
.tile-ico.cyan{background:#EDFDFF;color:#0891B2}
.tile-ico.warm{background:#FFF6E8;color:#D97706}
.tile-no{
  position:absolute;right:8px;bottom:4px;font-size:64px;font-weight:900;
  color:rgba(15,23,42,.04);line-height:1;
}
.service-tile h4{font-size:17px;font-weight:700;color:#111827}
.service-tile p{color:var(--muted);font-size:14px;line-height:1.6;margin-top:8px}
.service-tile .tile-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;
  color:#7C3AED;margin-top:16px;opacity:0;transform:translateX(-6px);transition:all .25s ease;
}
.service-tile:hover .tile-link{opacity:1;transform:translateX(0)}

/* compare */
.compare-area{padding:0 0 96px}
.compare-card{
  border-radius:var(--radius-lg);padding:36px;background:#F8FAFC;border:1px solid #E2E8F0;
  height:100%;position:relative;
}
.compare-card.right{
  background:linear-gradient(135deg,#161A35,#241D55 55%,#4C1560);
  border-color:rgba(139,92,246,.35);color:#fff;
}
.compare-card h3{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;margin-bottom:24px}
.compare-card h3 i{font-size:22px}
.comp-item{
  display:flex;gap:12px;padding:15px 0;border-bottom:1px dashed #DCE3EE;
}
.compare-card.right .comp-item{border-bottom-color:rgba(255,255,255,.12)}
.comp-icon{
  width:18px;height:18px;flex-shrink:0;display:grid;place-items:center;
  color:#fff;background:#7C3AED;border-radius:50%;margin-top:5px;font-size:10px;
}
.compare-card.right .comp-icon{background:rgba(245,185,63,.85);color:#0B0E21}
.comp-icon.minus{background:#CBD5E1}
.comp-item p{color:#4B5563;font-size:14px;line-height:1.7}
.compare-card.right .comp-item p{color:#D4D5EC}
.vs-badge{
  display:grid;place-items:center;width:64px;height:64px;border-radius:50%;
  background:#FFF;box-shadow:0 0 0 6px rgba(255,255,255,.4);
  font-weight:900;font-size:20px;color:#7C3AED;
}
.vs-center{display:flex;justify-content:center;align-items:center;position:relative}
.compare-grid{display:grid;grid-template-columns:1fr 64px 1fr;align-items:center;gap:12px}
@media(max-width:900px){
  .compare-grid{grid-template-columns:1fr}
  .vs-center{margin:0}
  .vs-badge{margin:4px auto}
}

/* channel showcase */
.channel-show{padding:90px 0;background:var(--light)}
.show-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.show-card{
  background:#fff;border-radius:24px;overflow:hidden;border:1px solid #EDEFF5;
  box-shadow:var(--shadow);transition:all .3s ease;
}
.show-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-h)}
.show-visual{position:relative;height:220px;overflow:hidden}
.show-visual img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.show-card:hover .show-visual img{transform:scale(1.04)}
.show-veil{position:absolute;inset:0;background:linear-gradient(0deg,#0B0E21 2%,rgba(11,14,33,.95) 22%,rgba(11,14,33,.35) 100%)}
.show-body{position:absolute;left:22px;right:22px;bottom:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.show-body h3{font-size:20px;font-weight:800;color:#fff;letter-spacing:.02em}
.show-body h3 small{display:block;font-size:12px;color:#B8BFDA;font-weight:500;margin-top:2px}
.show-body a{font-size:12px;color:#fff;background:rgba(255,255,255,.2);padding:6px 12px;border-radius:999px}
.show-info{padding:24px}
.show-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.show-tags span{font-size:13px;background:#F3F0FF;color:#6D28D9;border-radius:999px;padding:5px 12px;font-weight:600}
.show-info p{color:var(--muted);font-size:14px;line-height:1.7}
.show-info .btn{margin-top:16px;padding:10px 20px;font-size:14px}

/* dynamic news */
.dynamic{padding:100px 0}
.news-stage{
  display:grid;grid-template-columns:1.05fr 1fr;gap:20px;align-items:stretch;
}
.news-feature{
  background:#fff;border-radius:24px;overflow:hidden;border:1px solid #EDEFF5;
  box-shadow:var(--shadow);display:flex;flex-direction:column;height:100%;transition:all .3s ease;position:relative;
}
.news-feature:hover{box-shadow:var(--shadow-h);transform:translateY(-3px)}
.news-feature .thumb{height:280px;overflow:hidden;position:relative;flex-shrink:0}
.news-feature .thumb img{width:100%;height:100%;object-fit:cover}
.news-top{
  position:absolute;top:18px;left:18px;z-index:2;display:flex;gap:8px;
}
.news-top .pin{
  background:var(--gold);color:#3B2E0F;font-size:12px;font-weight:800;
  padding:6px 12px;border-radius:999px;display:inline-flex;align-items:center;gap:4px;
}
.news-feature .meta-body{padding:26px 26px 28px}
.news-feature .meta-body h3{font-size:21px;line-height:1.5;font-weight:800;color:#111827}
.news-feature .meta-body h3 a:hover{color:#7C3AED}
.news-feature .summary{color:var(--muted);font-size:15px;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-small-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;height:100%}
.news-mini{
  background:#fff;border-radius:20px;overflow:hidden;border:1px solid #EDEFF5;
  box-shadow:0 3px 10px rgba(15,23,42,.04);display:flex;flex-direction:column;height:100%;
  transition:all .3s ease;
}
.news-mini:hover{box-shadow:0 12px 26px rgba(124,58,237,.1);transform:translateY(-3px)}
.news-mini .thumb{height:102px;overflow:hidden;flex-shrink:0;position:relative}
.news-mini .thumb img{width:100%;height:100%;object-fit:cover}
.news-mini .mini-body{padding:14px 16px;flex:1;display:flex;flex-direction:column}
.news-mini h4{
  font-size:15px;line-height:1.45;font-weight:700;color:#111827;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-mini h4 a:hover{color:#7C3AED}
.mini-meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:10px}
.mini-meta time{font-size:12px;color:#94A3B8}
.mini-meta .arrow{width:26px;height:26px;border-radius:50%;background:#F3F0FF;color:#7C3AED;display:grid;place-items:center;font-size:11px}
.empty-card{
  grid-column:1/-1;min-height:260px;background:#fff;border-radius:24px;
  border:1px dashed #D6DEE8;display:flex;flex-direction:column;align-items:center;
  justify-content:center;color:var(--muted);gap:12px;
}
.empty-card i{color:var(--gold);font-size:34px}

/* FAQ */
.faq-area{padding:96px 0}
.faq-wrap{max-width:960px;margin:0 auto}
.faq-item{
  background:#fff;border-radius:20px;padding:24px 28px;margin-bottom:14px;
  border:1px solid #E9EDF3;cursor:pointer;transition:all .25s ease;
  box-shadow:0 2px 8px rgba(15,23,42,.02);
}
.faq-item:hover{border-color:#D8CFF2}
.faq-item.open{border-color:#C7B8F0;box-shadow:var(--shadow-h)}
.faq-q{display:flex;justify-content:space-between;gap:18px;align-items:center}
.faq-q h3{font-size:16px;font-weight:700;color:#111827;line-height:1.5}
.faq-icon{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#7C3AED,#EC4899);color:#fff;font-size:13px;
  flex-shrink:0;transition:transform .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .34s ease;
}
.faq-a p{
  color:var(--muted);font-size:15px;line-height:1.9;border-top:1px solid #F0F0F6;margin-top:16px;padding-top:14px;
}
.faq-item.open .faq-a{max-height:360px}

/* CTA + form */
.cta-area{padding:0 0 100px}
.cta-panel{
  background:radial-gradient(700px 300px at 15% 10%,rgba(236,72,153,.18),transparent 50%),
             radial-gradient(800px 400px at 95% 90%,rgba(124,58,237,.3),transparent 50%),
             var(--grad);
  border-radius:32px;padding:44px;display:grid;grid-template-columns:1.05fr 1fr;
  gap:48px;align-items:center;position:relative;overflow:hidden;
}
.cta-panel::after{
  content:'';position:absolute;right:30px;top:-90px;width:140px;height:140px;
  border-radius:50%;background:rgba(255,255,255,.1);filter:blur(2px);
}
.cta-copy h2{color:#fff;font-size:clamp(26px,2.4vw,36px);font-weight:900;line-height:1.35}
.cta-copy p{color:rgba(255,255,255,.9);font-size:16px;margin-top:16px;line-height:1.8;max-width:560px}
.cta-copy .btn{margin-top:26px}
.cta-form{
  background:#fff;border-radius:22px;padding:28px;box-shadow:0 18px 40px rgba(0,0,0,.2);
}
.cta-form h3{font-size:19px;font-weight:800;color:#111827;margin-bottom:6px}
.cta-form p{font-size:13px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:13px}
.field label{display:block;font-size:13px;font-weight:700;color:#334155;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;height:48px;background:#F8FAFC;border:1px solid #DDE2EC;
  border-radius:12px;padding:0 16px;font-size:14px;color:#111827;outline:none;
  transition:all .2s ease;
}
.field textarea{height:80px;padding:12px 16px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#8B5CF6;box-shadow:0 0 0 3px rgba(139,92,246,.14);background:#fff;
}
.submit-btn{width:100%;height:50px;border-radius:12px;border:none;cursor:pointer;background:var(--grad);color:#fff;font-size:15px;font-weight:800;transition:all .25s}
.submit-btn:hover{filter:brightness(1.08);box-shadow:0 8px 24px rgba(124,58,237,.28)}
.submit-btn:disabled{opacity:.5}
.form-note{font-size:12px;color:#94A3B8;text-align:center;margin-top:14px}
.success-tip{
  display:none;align-items:center;gap:8px;justify-content:center;
  background:#ECFDF5;border:1px solid #A7F3D0;border-radius:12px;
  color:#047857;font-size:14px;font-weight:600;padding:12px;margin-top:12px;
}

/* footer */
.footer{background:var(--space);color:#9AA1BF}
.footer-top{
  padding:70px 0 40px;border-bottom:1px solid rgba(255,255,255,.09);
  display:grid;grid-template-columns:1fr 2fr;gap:60px;
}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-name .brand-tag{background:var(--grad)}
.footer-brand p{font-size:15px;margin-top:20px;max-width:400px;line-height:1.9;color:#8A93B8}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer-links h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#98A0BE;display:inline-flex;align-items:center;gap:7px}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-links i{font-size:15px;color:#8B5CF6}
.footer-bottom{
  padding:22px 0;display:flex;justify-content:space-between;align-items:center;
  color:#6C7196;font-size:13px;gap:14px;flex-wrap:wrap;
}
.footer-bottom a{color:#8B5CF6}
.footer-bottom a:hover{color:#EC4899}

/* responsive */
@media(max-width:1024px){
  .search-box{display:none}
  .site-nav{display:none}
  .nav-btn-hide{display:none}
  .mobile-hamburger{display:inline-flex}
}
@media(max-width:980px){
  .hero{padding:72px 0}
  .service-matrix{padding:80px 0}
  .sm-grid{grid-template-columns:1fr}
  .sm-main,.sm-side{grid-column:span 1}
  .dynamic{padding:80px 0}
  .news-stage{grid-template-columns:1fr}
  .news-feature .thumb{height:250px}
  .cta-panel{grid-template-columns:1fr;gap:40px;padding:32px}
  .footer-top{grid-template-columns:1fr;gap:40px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stats-panel{margin-top:-10px}
  .service-tile p{font-size:14px}
  .show-grid{grid-template-columns:1fr}
  .sm-main{padding:28px}
}
@media(max-width:640px){
  .hero-title{font-size:38px}
  .hero-sub{font-size:15px}
  .hero-cta .btn{width:100%}
  .stats-grid{grid-template-columns:1fr 1fr;gap:13px;transform:translateY(-28px)}
  .stat-card{padding:18px;border-radius:18px}
  .stat-value{font-size:26px}
  .stat-delta{position:static;display:inline-flex;margin-top:6px}
  .stat-card:first-child{grid-column:span 2}
  .sm-side{grid-template-columns:1fr}
  .news-small-grid{grid-template-columns:1fr}
  .news-mini .thumb{height:140px}
  .section-head{flex-direction:column;align-items:flex-start}
  .compare-card{padding:26px}
  .cta-panel{padding:22px;border-radius:24px}
  .faq-wrap{width:100%;padding:0 16px}
  .footer-links{grid-template-columns:1fr 1fr}
  .footer-bottom{justify-content:center}
}

/* roulang page: category1 */
:root {
            --night: #0B0E21;
            --night-soft: #111634;
            --surface: #F6F7FC;
            --card: #FFFFFF;
            --text-main: #1E293B;
            --text-sub: #64748B;
            --text-muted: #94A3B8;
            --line: #E6E9F2;
            --brand-purple: #7C3AED;
            --brand-pink: #EC4899;
            --stargold: #F5B93F;
            --gradient-main: linear-gradient(135deg, #7C3AED, #EC4899);
            --gradient-cool: linear-gradient(135deg, #22D3EE, #3B82F6);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 2px 8px rgba(15, 23, 42, .04), 0 12px 32px rgba(15, 23, 42, .06);
            --shadow-hover: 0 8px 24px rgba(124, 58, 237, .12);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 92px;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            color: var(--text-main);
            background: var(--surface);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .2s ease;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(124, 58, 237, .35);
            outline-offset: 2px;
            border-radius: 8px;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
        }
        .contain {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .section-space {
            padding-top: 96px;
            padding-bottom: 96px;
        }
        .glyph-deco {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: var(--gradient-main);
            color: #fff;
        }
        .screen-label {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            font-weight: 600;
            color: #7C3AED;
            letter-spacing: .12em;
        }
        .screen-label .line {
            width: 4px;
            height: 20px;
            border-radius: 999px;
            background: var(--gradient-main);
            display: inline-block;
        }
        .gradient-text {
            background: var(--gradient-main);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            background: var(--gradient-main);
            color: #fff;
            font-weight: 600;
            border: none;
            border-radius: 999px;
            padding: 13px 28px;
            position: relative;
            overflow: hidden;
            cursor: pointer;
            transition: all .22s ease;
            box-shadow: 0 8px 24px rgba(124, 58, 237, .24);
            white-space: nowrap;
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 12px 30px rgba(124, 58, 237, .34);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(.95);
            box-shadow: 0 4px 14px rgba(124, 58, 237, .2);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .2);
            color: #fff;
            font-weight: 600;
            padding: 13px 24px;
            border-radius: 999px;
            cursor: pointer;
            transition: all .22s ease;
            backdrop-filter: blur(4px);
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .12);
            transform: translateY(-2px);
        }
        .btn-outline-light:active {
            transform: translateY(0);
        }
        .btn-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #0B0E21;
            color: #fff;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all .22s ease;
        }
        .btn-dark:hover {
            background: #171d3a;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(11, 14, 33, .2);
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(124, 58, 237, .1);
            color: #7C3AED;
            font-size: 13px;
            padding: 6px 13px;
            border-radius: 999px;
            font-weight: 600;
        }
        .tag-pill-gold {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 185, 63, .13);
            color: #b7791f;
            font-size: 13px;
            padding: 5px 12px;
            border-radius: 999px;
            font-weight: 700;
        }
        .white-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
        }
        .white-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(230, 233, 242, .92);
            box-shadow: 0 4px 20px rgba(15, 23, 42, .04);
            height: 72px;
        }
        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            gap: 34px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-right: auto;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 14px;
            background: var(--gradient-main);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(124, 58, 237, .24);
        }
        .brand-icon svg {
            width: 23px;
            height: 23px;
        }
        .brand-name {
            font-weight: 800;
            font-size: 20px;
            color: #0B0E21;
            letter-spacing: -.01em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-tag {
            font-size: 11px;
            font-weight: 700;
            background: var(--gradient-main);
            color: #fff;
            padding: 2px 8px;
            border-radius: 999px;
            letter-spacing: .04em;
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .site-nav a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: #334155;
            position: relative;
        }
        .site-nav a i {
            font-size: 13px;
            color: #94A3B8;
            transition: color .2s;
        }
        .site-nav a:hover {
            color: #7C3AED;
            background: #F8FAFC;
        }
        .site-nav a.active {
            background: #F3F0FF;
            color: #7C3AED;
            font-weight: 700;
        }
        .site-nav a.active::after {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #7C3AED;
            margin-left: 2px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: #F8FAFC;
            border: 1px solid #E2E8F0;
            border-radius: 999px;
            padding: 0 8px 0 0;
            height: 40px;
            min-width: 220px;
        }
        .header-search input {
            border: none;
            background: transparent;
            height: 100%;
            width: 100%;
            padding: 0 12px 0 14px;
            font-size: 13px;
            color: #1E293B;
            outline: none;
            border-radius: 999px;
        }
        .header-search input::placeholder {
            color: #94A3B8;
        }
        .header-search button {
            background: transparent;
            border: none;
            width: 34px;
            color: #64748B;
            cursor: pointer;
            border-radius: 50%;
            font-size: 14px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-cta {
            padding: 10px 22px;
            font-size: 14px;
        }
        .menu-toggle {
            display: none;
            border: none;
            background: transparent;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            cursor: pointer;
        }
        .menu-toggle span {
            width: 21px;
            height: 2px;
            background: #0B0E21;
            display: block;
            margin: 4px 0;
            border-radius: 999px;
        }
        .mobile-nav {
            background: #fff;
            border-top: 1px solid #EEF0F6;
            box-shadow: 0 20px 30px rgba(15, 23, 42, .06);
            padding: 18px 24px 30px;
            display: none;
        }
        .mobile-nav--open {
            display: block;
        }
        .mobile-nav a {
            display: flex;
            align-items: center;
            padding: 13px 8px;
            border-radius: 14px;
            font-weight: 600;
            color: #1E293B;
            gap: 8px;
        }
        .mobile-nav a.active {
            background: #F3F0FF;
            color: #7C3AED;
        }
        .mobile-nav .mobile-search {
            margin-top: 8px;
        }
        .hero-cat {
            position: relative;
            background: #0B0E21;
            color: #fff;
            padding: 100px 0 110px;
            overflow: hidden;
        }
        .hero-cat .hero-image {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .37;
        }
        .hero-cat::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 14, 33, .94) 0%, rgba(11, 14, 33, .62) 55%, rgba(17, 22, 52, .36) 100%);
            z-index: 1;
        }
        .hero-cat::after {
            content: "";
            position: absolute;
            width: 480px;
            height: 480px;
            right: -140px;
            bottom: -160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(124, 58, 237, .42), transparent 66%);
            z-index: 1;
        }
        .hero-cat-content {
            position: relative;
            z-index: 3;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, .68);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb i {
            font-size: 12px;
        }
        .hero-cat h1 {
            font-size: clamp(38px, 4.8vw, 62px);
            line-height: 1.12;
            font-weight: 800;
            margin-top: 18px;
            letter-spacing: -0.02em;
        }
        .hero-cat h1 .text-glow {
            background: linear-gradient(135deg, #F5B93F, #FF8A65);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-cat p.lead-desc {
            margin-top: 24px;
            max-width: 640px;
            font-size: 17px;
            color: rgba(255, 255, 255, .84);
            line-height: 1.9;
        }
        .hero-chip-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }
        .hero-chip-list span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, .18);
            background: rgba(255, 255, 255, .06);
            backdrop-filter: blur(5px);
            color: #F1F5F9;
            border-radius: 999px;
            padding: 6px 15px;
            font-size: 13px;
            font-weight: 500;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 34px;
        }
        .metric-panel {
            margin-top: -58px;
            margin-bottom: 0;
            position: relative;
            z-index: 12;
            padding-bottom: 0;
        }
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .metric-card {
            background: #fff;
            border-radius: 20px;
            padding: 26px 25px;
            box-shadow: var(--shadow-card);
            border: 1px solid #F1F4F9;
            transition: all .25s;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .metric-card-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .metric-card-head .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
        }
        .metric-card .metric-number {
            font-size: clamp(28px, 2.6vw, 38px);
            font-weight: 800;
            color: #0B0E21;
            line-height: 1.1;
            margin-top: 16px;
        }
        .metric-card .metric-number small {
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-purple);
            margin-left: 3px;
        }
        .metric-card .metric-title {
            margin-top: 8px;
            color: #475569;
            font-weight: 600;
            font-size: 15px;
        }
        .metric-card .metric-title i {
            color: #8B5CF6;
            margin-right: 4px;
        }
        .metric-card .trend {
            display: inline-block;
            font-size: 12px;
            color: #b7791f;
            background: rgba(245, 185, 63, .13);
            border-radius: 999px;
            padding: 3px 9px;
            font-weight: 600;
            margin-top: 12px;
        }
        .metric-card:first-child {
            border: 1px solid rgba(124, 58, 237, .18);
            position: relative;
        }
        .metric-card:first-child::before {
            content: "";
            position: absolute;
            right: 22px;
            top: -6px;
            transform: rotate(45deg);
            width: 12px;
            height: 12px;
            border-radius: 3px;
            background: linear-gradient(135deg, #7C3AED, #EC4899);
        }
        .metrics-panel-dark {
            background: #fff;
        }
        .data-large {
            font-size: var(--metric-value, 34px);
            font-weight: 800;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 22px;
            margin-bottom: 38px;
        }
        .section-head .kicker {
            font-size: 13px;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(26px, 2.8vw, 38px);
            font-weight: 800;
            color: #0B0E21;
            line-height: 1.25;
        }
        .section-sub {
            max-width: 560px;
            color: #64748B;
            font-size: 15px;
            line-height: 1.8;
        }
        .graph-card {
            background: #fff;
            border-radius: 24px;
            box-shadow: var(--shadow-card);
            padding: 28px;
            border: 1px solid #EDF0F7;
        }
        .graph-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .graph-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 22px;
        }
        .graph-legend {
            display: flex;
            align-items: center;
            gap: 18px;
            font-size: 13px;
            color: #64748B;
            flex-wrap: wrap;
        }
        .legend-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .legend-line {
            width: 20px;
            height: 3px;
            border-radius: 999px;
        }
        .compare-note {
            border-radius: 16px;
            background: #F8FAFC;
            border: 1px solid #EAEEF5;
            padding: 20px 22px;
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }
        .compare-note i {
            color: #7C3AED;
            font-size: 19px;
            margin-top: 2px;
        }
        .compare-note p {
            color: #475569;
            font-size: 14px;
            line-height: 1.85;
        }
        .score-chip {
            display: inline-flex;
            background: #F3F0FF;
            border-radius: 999px;
            padding: 5px 13px;
            color: #6D28D9;
            font-size: 13px;
            font-weight: 700;
        }
        .card2x2 {
            background: #fff;
            border-radius: 20px;
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid #EEF1F6;
            transition: all .25s;
        }
        .card2x2:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card2x2 .iconbox {
            width: 46px;
            height: 46px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
        }
        .card2x2 h3 {
            font-size: 18px;
            font-weight: 700;
            margin-top: 18px;
            color: #1E293B;
        }
        .card2x2 p {
            margin-top: 8px;
            color: #64748B;
            font-size: 14.5px;
            line-height: 1.85;
        }
        .schedule-card {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid #EFF2F7;
            transition: all .25s;
        }
        .schedule-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .schedule-card .photo {
            aspect-ratio: 16 / 9;
            width: 100%;
            object-fit: cover;
            display: block;
            background: #EEF0F6;
        }
        .schedule-body {
            padding: 22px;
        }
        .schedule-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .schedule-tags span {
            border-radius: 999px;
            font-size: 12px;
        }
        .schedule-title {
            font-size: 18px;
            font-weight: 700;
            margin-top: 6px;
            line-height: 1.45;
        }
        .schedule-title a:hover {
            color: #7C3AED;
        }
        .schedule-meta {
            display: flex;
            justify-content: space-between;
            gap: 12px;
            margin-top: 16px;
            color: #94A3B8;
            font-size: 13px;
            border-top: 1px dashed #E2E8F0;
            padding-top: 15px;
        }
        .workflow-step {
            background: #fff;
            border-radius: 20px;
            padding: 28px 24px;
            position: relative;
            border: 1px solid #EEF1F6;
            box-shadow: var(--shadow-card);
            transition: all .2s;
        }
        .workflow-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .workflow-step .step-num {
            font-size: 42px;
            font-weight: 800;
            color: rgba(124, 58, 237, .13);
            position: absolute;
            right: 22px;
            top: 16px;
            line-height: 1;
        }
        .workflow-step h3 {
            margin-top: 14px;
            font-size: 17px;
            font-weight: 700;
        }
        .workflow-step p {
            font-size: 14px;
            color: #64748B;
            margin-top: 8px;
            line-height: 1.8;
        }
        .faq-item {
            background: #fff;
            border-radius: 18px;
            padding: 0;
            margin-bottom: 16px;
            border: 1px solid #E9EDF4;
            box-shadow: 0 4px 16px rgba(15, 23, 42, .03);
            overflow: hidden;
            transition: all .2s ease;
        }
        .faq-item:hover {
            border-color: rgba(124, 58, 237, .22);
        }
        .faq-q {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            background: none;
            border: none;
            font-weight: 600;
            color: #1E293B;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            cursor: pointer;
        }
        .faq-q .badge-num {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: linear-gradient(135deg, #7C3AED, #EC4899);
            color: #fff;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            flex: none;
        }
        .faq-q .q-text {
            display: flex;
            align-items: center;
            flex: 1;
        }
        .faq-q .icon-plus {
            font-size: 18px;
            color: #94A3B8;
            transition: transform .28s;
            flex: none;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            padding: 0 24px;
            color: #64748B;
            font-size: 14.5px;
        }
        .faq-answer .answer-inner {
            padding-bottom: 20px;
            margin-top: 0;
            border-top: 1px dashed #E2E8F0;
            padding-top: 18px;
            line-height: 1.9;
        }
        .faq-item.active .icon-plus {
            transform: rotate(45deg);
            color: #7C3AED;
        }
        .cta-panel-large {
            border-radius: 28px;
            background: linear-gradient(120deg, #111634 0%, #3b1d59 55%, #6d1f5b 100%);
            color: #fff;
            padding: 56px;
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 42px;
            align-items: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 24px 80px rgba(15, 23, 42, .22);
        }
        .cta-panel-large::after {
            content: "";
            position: absolute;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            right: 42%;
            top: -160px;
            background: rgba(245, 185, 63, .12);
            filter: blur(10px);
        }
        .cta-panel-large .cta-title {
            font-size: clamp(26px, 2.8vw, 40px);
            font-weight: 800;
            line-height: 1.2;
        }
        .contact-form {
            background: #fff;
            color: #1E293B;
            border-radius: 22px;
            padding: 26px 24px;
            box-shadow: 0 18px 40px rgba(0, 0, 0, .12);
        }
        .contact-form .form-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .field {
            margin-top: 12px;
        }
        .field label {
            font-size: 13px;
            color: #475569;
            margin-bottom: 4px;
            display: block;
            font-weight: 600;
        }
        .field input,
        .field select,
        .field textarea {
            width: 100%;
            background: #F8FAFC;
            border: 1px solid #DDE2EC;
            border-radius: 12px;
            padding: 11px 13px;
            font-size: 14px;
            color: #1E293B;
            height: 48px;
            outline: none;
            appearance: none;
            transition: all .2s;
        }
        .field input:focus,
        .field select:focus,
        .field textarea:focus {
            border-color: #8B5CF6;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, .12);
        }
        .field textarea {
            min-height: 82px;
            resize: vertical;
        }
        .submit-success {
            background: #F0FDF4;
            border: 1px solid #BBF7D0;
            border-radius: 12px;
            color: #166534;
            padding: 10px 12px;
            margin-top: 14px;
            font-size: 14px;
            text-align: center;
        }
        .footer {
            background: #0B0E21;
            color: rgba(255, 255, 255, .75);
            margin-top: 0;
        }
        .footer a:hover {
            color: #fff;
        }
        .footer-top {
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: flex-start;
        }
        .footer .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
        }
        .footer .brand-name {
            font-size: 21px;
            font-weight: 800;
            color: #fff;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 24px;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 10px;
        }
        .footer-links li {
            margin-bottom: 7px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
            transition: all .2s;
        }
        .footer-links a i {
            width: 17px;
            color: rgba(255, 255, 255, .5);
            font-size: 11px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 22px 0 30px;
        }
        .placeholder-img {
            background: #EEF0F6;
            position: relative;
        }
        .img-glow {
            border-radius: 20px;
            overflow: hidden;
        }
        .gd {
            background-size: cover;
            background-position: center;
        }
        @media (max-width: 1024px) {
            .contain {
                padding-left: 22px;
                padding-right: 22px;
            }
            .header-inner {
                gap: 12px;
                padding-left: 22px;
                padding-right: 22px;
            }
            .site-nav {
                display: none;
            }
            .menu-toggle {
                display: inline-flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
            }
            .mobile-nav .header-actions {
                display: block;
                margin-top: 14px;
            }
            .mobile-nav .header-actions .btn {
                width: 100%;
            }
            .header-search {
                min-width: 160px;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cta-panel-large {
                grid-template-columns: 1fr;
                padding: 36px 30px;
            }
            .footer-top .inner {
                display: grid !important;
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .section-space {
                padding-top: 64px;
                padding-bottom: 64px;
            }
            .header {
                height: 66px;
            }
            .header-inner {
                height: 66px;
            }
            .header-cta {
                display: none;
            }
            .header-search {
                min-width: 45px;
                width: 45px;
                justify-content: center;
                border-radius: 50%;
            }
            .header-search input {
                display: none;
            }
            .brand-name {
                font-size: 17px;
            }
            .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 13px;
                margin-top: -70px;
            }
            .metric-card {
                padding: 20px 16px;
                border-radius: 18px;
            }
            .metric-card .metric-title {
                font-size: 13px;
            }
            .hero-cat h1 {
                font-size: 40px;
            }
            .hero-cat {
                padding: 80px 0 96px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                margin-bottom: 30px;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 18px;
            }
            .footer-bottom {
                display: block;
                text-align: center;
            }
            .footer-bottom span {
                display: block;
                margin-bottom: 6px;
            }
        }
        @media (max-width: 520px) {
            .contain {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-inner {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
            }
            .brand-tag {
                display: none;
            }
            .header-actions {
                gap: 6px;
            }
            .hero-chip-list span {
                font-size: 12px;
                padding: 4px 10px;
            }
            .metric-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metric-icon {
                width: 38px;
                height: 38px;
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions a,
            .hero-actions button {
                width: 100%;
            }
            .graph-card {
                padding: 20px 14px;
                overflow: hidden;
            }
            .legend-line {
                width: 14px;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #070a1c;
            --bg-deep-2: #111734;
            --surface: #f6f7fc;
            --card: #ffffff;
            --ink: #16233c;
            --muted: #6b7a92;
            --light: #94a3b8;
            --line: #e6e9f2;
            --purple: #7c3aed;
            --pink: #ec4899;
            --cyan: #22d3ee;
            --gold: #f5b93f;
            --grad-main: linear-gradient(135deg, #ec4899 0%, #7c3aed 58%, #6d28d9 100%);
            --grad-soft: linear-gradient(135deg, rgba(236, 72, 153, .12) 0%, rgba(124, 58, 237, .12) 100%);
            --shadow-card: 0 2px 8px rgba(15, 23, 42, .04), 0 12px 32px rgba(15, 23, 42, .08);
            --shadow-hover: 0 8px 24px rgba(124, 58, 237, .14);
            --radius-lg: 24px;
            --radius-md: 16px;
            --container: 1280px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--ink);
            background: #fff;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }

        button,
        input,
        select,
        textarea {
            font: inherit;
        }

        p,
        h1,
        h2,
        h3,
        h4,
        ul,
        ol,
        figure {
            margin: 0;
            padding: 0;
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(255, 255, 255, .96);
            border-bottom: 1px solid rgba(230, 233, 242, .92);
            box-shadow: 0 8px 24px rgba(15, 23, 42, .04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
            gap: 20px;
        }

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

        .brand-star {
            width: 40px;
            height: 40px;
            border-radius: 13px;
            background: linear-gradient(150deg, rgba(236, 72, 153, .14), rgba(124, 58, 237, .18));
            border: 1px solid rgba(124, 58, 237, .18);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 22px rgba(124, 58, 237, .18);
        }

        .brand-star svg {
            width: 24px;
            height: 24px;
            stroke: url(#starGrad);
            filter: drop-shadow(0 0 6px rgba(236, 72, 153, .5));
        }

        .brand-name {
            font-size: 21px;
            font-weight: 800;
            letter-spacing: .02em;
            background: linear-gradient(135deg, #1a1333 10%, #6d28d9 88%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .site-nav a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 15px;
            margin: 0 2px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: #334155;
            transition: all .2s ease;
        }

        .site-nav a i {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: transparent;
            display: inline-block;
        }

        .site-nav a:hover {
            color: var(--purple);
            background: #f5f3ff;
        }

        .site-nav a.active {
            background: #f3f0ff;
            color: #6d28d9;
            box-shadow: inset 0 0 0 1px rgba(124, 58, 237, .08);
        }

        .site-nav a.active i {
            background: var(--grad-main);
            box-shadow: 0 0 8px rgba(236, 72, 153, .6);
        }

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

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 230px;
            height: 42px;
            background: #f8fafc;
            border: 1px solid #dde2ec;
            border-radius: 999px;
            padding: 0 15px;
            transition: border .2s, box-shadow .2s;
        }

        .search-box:focus-within {
            border-color: #8b5cf6;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, .12);
            background: #fff;
        }

        .search-box input {
            flex: 1;
            min-width: 0;
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--ink);
        }

        .search-box input::placeholder {
            color: var(--light);
        }

        .search-box button {
            border: none;
            background: none;
            color: #94a3b8;
            cursor: pointer;
            font-size: 14px;
            padding: 2px;
        }

        .header-cta,
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            border-radius: 999px;
            padding: 0 22px;
            height: 42px;
            background: var(--grad-main);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            box-shadow: 0 6px 18px rgba(124, 58, 237, .3);
            transition: transform .2s, box-shadow .2s, filter .2s;
            cursor: pointer;
            white-space: nowrap;
        }

        .header-cta:hover,
        .btn-main:hover {
            filter: brightness(1.07);
            box-shadow: 0 8px 24px rgba(124, 58, 237, .4);
            transform: translateY(-1px);
            color: #fff;
        }

        .header-cta:active,
        .btn-main:active {
            transform: translateY(0);
        }

        .nav-burger {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            cursor: pointer;
            color: var(--ink);
            font-size: 20px;
        }

        @media (max-width: 1024px) {
            .search-box {
                display: none;
            }

            .site-nav {
                position: fixed;
                top: 74px;
                left: 0;
                right: 0;
                z-index: 59;
                display: none;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-bottom: 1px solid var(--line);
                box-shadow: 0 20px 40px rgba(15, 23, 42, .1);
                padding: 14px 20px 22px;
            }

            .site-nav.open {
                display: flex;
            }

            .site-nav a {
                margin: 4px 0;
                padding: 13px 16px;
                border-radius: 14px;
                justify-content: flex-start;
                font-size: 16px;
            }

            .site-nav a.active {
                border-radius: 14px;
            }

            .header-cta {
                display: none;
            }

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

        .article-hero {
            position: relative;
            isolation: isolate;
            background: #0b0e21;
            color: #fff;
            overflow: hidden;
            padding: 86px 0 120px;
        }

        .article-hero-bg {
            position: absolute;
            inset: 0;
            z-index: -2;
            background: url("/assets/images/coverpic/cover-7.png") no-repeat center / cover;
            opacity: .34;
            transform: scale(1.03);
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background:
                radial-gradient(ellipse at 16% 22%, rgba(124, 58, 237, .6), transparent 36%),
                radial-gradient(ellipse at 84% 12%, rgba(236, 72, 153, .3), transparent 38%),
                linear-gradient(180deg, rgba(7, 10, 28, .86) 0%, rgba(7, 10, 28, .68) 50%, #0b0e21 100%);
        }

        .article-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            background-image:
                radial-gradient(circle, rgba(255, 255, 255, .85) 1px, transparent 1.6px),
                radial-gradient(circle, rgba(245, 185, 63, .8) 1px, transparent 1.4px);
            background-size: 150px 150px, 220px 220px;
            background-position: 30px 60px, 180px 40px;
            opacity: .32;
        }

        .article-hero-inner {
            position: relative;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 28px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .65);
            transition: color .2s;
        }

        .breadcrumb a:hover {
            color: #f0abfc;
        }

        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, .42);
        }

        .breadcrumb .current {
            color: #f5d0fe;
            font-weight: 600;
        }

        .hero-page-tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 14px;
            margin-bottom: 24px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .04em;
            backdrop-filter: blur(6px);
        }

        .hero-page-tag i {
            color: var(--gold);
            filter: drop-shadow(0 0 6px rgba(245, 185, 63, .6));
        }

        .article-title {
            font-size: clamp(32px, 4.4vw, 56px);
            line-height: 1.2;
            font-weight: 800;
            max-width: 1040px;
            margin-bottom: 24px;
            letter-spacing: .01em;
            color: #fff;
            text-wrap: pretty;
            overflow-wrap: break-word;
            text-shadow: 0 4px 14px rgba(0, 0, 0, .3);
        }

        .post-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 22px;
            color: rgba(255, 255, 255, .8);
            font-size: 14px;
        }

        .post-meta .separator {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .36);
        }

        .post-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .post-meta i {
            color: rgba(240, 171, 252, .85);
        }

        .post-meta .official {
            color: #fde68a;
        }

        .article-sheet {
            background: var(--surface);
            padding: 0 0 70px;
        }

        .article-card-wrap {
            max-width: 1020px;
            margin: -30px auto 0;
            position: relative;
            z-index: 5;
            padding: 0 24px;
        }

        .article-card {
            background: var(--card);
            border-radius: 28px;
            box-shadow: var(--shadow-card);
            padding: clamp(28px, 5vw, 64px);
            border: 1px solid rgba(230, 233, 242, .6);
        }

        .article-body {
            font-size: 16.5px;
            line-height: 1.95;
            color: #2c3a52;
        }

        .article-body p,
        .article-body ul,
        .article-body ol {
            margin-bottom: 22px;
        }

        .article-body strong {
            color: var(--ink);
            font-weight: 700;
        }

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--ink);
            line-height: 1.4;
            margin-top: 42px;
            margin-bottom: 16px;
            font-weight: 800;
        }

        .article-body h2 {
            font-size: 26px;
        }

        .article-body h3 {
            font-size: 21px;
        }

        .article-body img {
            display: block;
            width: 100%;
            max-width: 100%;
            border-radius: 18px;
            margin: 28px 0;
            object-fit: cover;
        }

        .article-body blockquote {
            margin: 30px 0;
            padding: 18px 22px;
            background: var(--grad-soft);
            border-left: 4px solid var(--purple);
            border-radius: 0 14px 14px 0;
            color: #3b3a68;
        }

        .article-body blockquote p {
            margin: 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin: 24px 0 28px;
            font-size: 15px;
            border: 1px solid var(--line);
            border-radius: 14px;
            overflow: hidden;
        }

        .article-body table th,
        .article-body table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--line);
            text-align: left;
        }

        .article-body table th {
            background: #f8f9ff;
            font-weight: 700;
            color: var(--ink);
        }

        .article-body table tr:last-child td {
            border-bottom: none;
        }

        .article-body a {
            color: var(--purple);
            font-weight: 600;
            border-bottom: 1px solid rgba(124, 58, 237, .3);
        }

        .article-body a:hover {
            color: #6d28d9;
        }

        .article-footer-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px 20px;
            margin-top: 44px;
            padding-top: 26px;
            border-top: 1px solid var(--line);
        }

        .content-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 9px;
        }

        .content-tags span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 13px;
            border-radius: 999px;
            background: #f8f7ff;
            border: 1px solid #e9e4fa;
            color: #6149b6;
            font-size: 13px;
            font-weight: 600;
        }

        .share-mini {
            display: flex;
            gap: 10px;
        }

        .share-mini a {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #f8fafc;
            border: 1px solid var(--line);
            color: #64748b;
            font-size: 15px;
            transition: all .2s;
        }

        .share-mini a:hover {
            border-color: rgba(124, 58, 237, .4);
            color: #6d28d9;
            background: #f5f3ff;
        }

        .article-empty {
            background: #ffffff;
            text-align: center;
            padding: 64px 24px 72px;
        }

        .empty-icon {
            width: 70px;
            height: 70px;
            margin: 0 auto 22px;
            border-radius: 50%;
            background: #f5f3ff;
            border: 1px solid #e9e3fd;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: #8b5cf6;
            box-shadow: 0 0 0 10px #faf8ff;
        }

        .article-empty h4 {
            font-size: 22px;
            margin-bottom: 8px;
            color: var(--ink);
        }

        .article-empty p {
            color: var(--muted);
            margin-bottom: 18px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid #d3c7ea;
            color: #6d28d9;
            font-size: 15px;
            font-weight: 600;
            transition: .2s;
        }

        .btn-outline:hover {
            background: #f5f3ff;
            border-color: #8b5cf6;
            transform: translateY(-1px);
        }

        .article-tail-panel {
            max-width: 1020px;
            margin: 0 auto;
            padding: 26px 24px 0;
        }

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

        .tail-navcard {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 17px 20px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            box-shadow: 0 2px 10px rgba(15, 23, 42, .03);
            transition: .22s;
        }

        .tail-navcard:hover {
            border-color: rgba(124, 58, 237, .35);
            box-shadow: 0 6px 18px rgba(124, 58, 237, .1);
            transform: translateY(-2px);
        }

        .tail-navcard .tail-label {
            font-size: 13px;
            color: var(--light);
            display: block;
        }

        .tail-navcard a {
            font-weight: 700;
            color: var(--ink);
            font-size: 15px;
        }

        .tail-navcard a:hover {
            color: #7c3aed;
        }

        .related-section {
            background: #f6f7fc;
            padding: 70px 0 90px;
        }

        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 20px;
            margin-bottom: 34px;
        }

        .section-kicker {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 700;
            color: #8b5cf6;
            text-transform: uppercase;
            letter-spacing: .12em;
        }

        .section-title {
            font-size: clamp(26px, 3vw, 38px);
            font-weight: 800;
            color: var(--ink);
            line-height: 1.25;
            margin-top: 6px;
            letter-spacing: .02em;
        }

        .section-title i {
            color: var(--purple);
            font-style: normal;
        }

        .section-title small {
            display: block;
            font-size: 15px;
            font-weight: 400;
            color: var(--muted);
            margin-top: 10px;
            letter-spacing: normal;
        }

        .section-link {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            color: #6d28d9;
            background: #fff;
            border: 1px solid #e6ddf9;
            border-radius: 999px;
            padding: 10px 20px;
            transition: .2s;
        }

        .section-link:hover {
            background: #f3f0ff;
            border-color: #8b5cf6;
            transform: translateY(-1px);
        }

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

        .content-card {
            background: #fff;
            border: 1px solid rgba(230, 233, 242, .8);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(15, 23, 42, .04);
            transition: transform .25s, box-shadow .25s;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(124, 58, 237, .12);
        }

        .content-card-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #eef0f6;
            position: relative;
        }

        .content-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .content-card:hover .content-card-thumb img {
            transform: scale(1.04);
        }

        .content-card-thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 10, 28, 0) 40%, rgba(7, 10, 28, .28) 100%);
        }

        .card-category {
            position: absolute;
            left: 16px;
            top: 14px;
            z-index: 2;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            border-radius: 999px;
            background: var(--grad-main);
            box-shadow: 0 4px 12px rgba(124, 58, 237, .32);
        }

        .content-card-body {
            padding: 22px 24px 24px;
        }

        .content-card-title {
            font-size: 18px;
            font-weight: 800;
            line-height: 1.45;
            color: var(--ink);
            margin-bottom: 10px;
            transition: color .2s;
        }

        .content-card-title a:hover {
            color: #7c3aed;
        }

        .content-card-text {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 13px;
            border-top: 1px solid var(--line);
        }

        .card-meta time {
            font-size: 13px;
            color: var(--light);
        }

        .card-meta a {
            color: #7c3aed;
            font-size: 13px;
            font-weight: 700;
        }

        .contact-section {
            background: #fff;
            padding: 70px 0 90px;
        }

        .cta-panel {
            border-radius: 28px;
            background: linear-gradient(135deg, #151033 0%, #0b0e21 45%, #22093f 100%);
            position: relative;
            overflow: hidden;
            padding: clamp(28px, 5vw, 56px);
            color: #fff;
            box-shadow: 0 24px 48px rgba(7, 10, 28, .18);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background:
                radial-gradient(circle at 78% 16%, rgba(236, 72, 153, .28), transparent 34%),
                radial-gradient(circle at 4% 92%, rgba(124, 58, 237, .42), transparent 32%),
                radial-gradient(circle, rgba(255, 255, 255, .7) 1px, transparent 1.5px);
            background-size: auto, auto, 140px 140px;
            background-position: auto, auto, 24px 80px;
            opacity: .42;
        }

        .cta-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 42px;
            align-items: center;
        }

        .cta-copy h2 {
            font-size: clamp(28px, 3vw, 40px);
            line-height: 1.3;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-copy h2 i {
            background: linear-gradient(120deg, #fbc7ff, #c4b5fd);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-style: normal;
        }

        .cta-copy p {
            color: rgba(255, 255, 255, .7);
            line-height: 1.85;
            margin-bottom: 26px;
        }

        .cta-mini-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 24px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .25);
            color: #fff;
            font-weight: 700;
            transition: .2s;
        }

        .cta-mini-btn:hover {
            background: rgba(255, 255, 255, .2);
            transform: translateY(-2px);
        }

        .cta-form-card {
            background: #fff;
            border-radius: 20px;
            color: var(--ink);
            padding: clamp(24px, 3.4vw, 38px);
            box-shadow: 0 16px 32px rgba(0, 0, 0, .22);
        }

        .form-title {
            font-size: 21px;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .form-sub {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 22px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-bottom: 14px;
        }

        .form-field label {
            font-size: 13px;
            font-weight: 700;
            color: #334155;
            display: block;
            margin-bottom: 6px;
        }

        .form-field input,
        .form-field select,
        .form-field textarea {
            width: 100%;
            border: 1px solid #dde2ec;
            background: #f8fafc;
            border-radius: 11px;
            height: 48px;
            padding: 0 15px;
            font-size: 15px;
            outline: none;
            transition: border .2s, box-shadow .2s, background .2s;
        }

        .form-field textarea {
            height: 90px;
            padding-top: 13px;
            resize: vertical;
        }

        .form-field input:focus,
        .form-field select:focus,
        .form-field textarea:focus {
            border-color: #8b5cf6;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, .12);
        }

        .form-submit {
            margin-top: 18px;
        }

        .form-submit .btn-main {
            width: 100%;
            height: 48px;
        }

        .form-success {
            display: none;
            margin-top: 16px;
            text-align: center;
            padding: 10px;
            background: #f0fdf4;
            border: 1px solid #bbf7d0;
            border-radius: 12px;
            color: #15803d;
            font-size: 14px;
            font-weight: 600;
        }

        .cta-form-card.submitted .form-success {
            display: block;
        }

        .cta-form-card.submitted .form-submit {
            display: none;
        }

        .footer {
            background: #070a1c;
            color: #c5cbdd;
            padding: 78px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.35fr 2fr;
            gap: 60px;
            padding-bottom: 54px;
        }

        .footer-brand .brand {
            margin-bottom: 22px;
        }

        .footer-brand .brand-name {
            background: linear-gradient(135deg, #fff 10%, #d8ccff 90%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: #fff;
        }

        .footer-brand p {
            max-width: 440px;
            font-size: 14px;
            line-height: 1.9;
            color: #9aa2b9;
            margin-bottom: 0;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

        .footer-links ul li {
            margin-bottom: 9px;
            font-size: 14px;
            list-style: none;
        }

        .footer-links ul li a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #99a1ba;
            transition: .2s;
            line-height: 1.6;
        }

        .footer-links ul li a i {
            font-size: 10px;
            color: #8b7ec0;
            transition: transform .2s;
        }

        .footer-links ul li a:hover {
            color: #f3f0ff;
        }

        .footer-links ul li a:hover i {
            color: #f0abfc;
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 24px 0 28px;
            font-size: 13px;
            color: #78809b;
        }

        @media (max-width: 1024px) {
            .header-inner {
                min-height: 68px;
            }

            .site-nav.open {
                top: 68px;
            }

            .article-hero {
                padding: 58px 0 104px;
            }

            .article-title {
                font-size: clamp(30px, 3vw, 44px);
            }

            .article-card-wrap,
            .article-tail-panel {
                padding-left: 18px;
                padding-right: 18px;
            }

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

            .footer-top {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 850px) {
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }

            .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .article-title {
                font-size: clamp(28px, 8vw, 40px);
                line-height: 1.24;
            }

            .article-hero {
                padding: 46px 0 98px;
            }

            .article-card {
                padding: 25px 20px 30px;
                border-radius: 20px;
            }

            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
                margin-bottom: 0;
            }

            .form-field {
                margin-bottom: 14px;
            }

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

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

            .footer-links {
                grid-template-columns: 1fr 1fr;
                gap: 26px;
            }

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

            .cta-panel {
                border-radius: 22px;
                padding: 30px 18px 26px;
            }

            .brand-name {
                font-size: 18px;
            }

            .header-inner {
                gap: 10px;
            }

            .brand-star {
                width: 36px;
                height: 36px;
                border-radius: 11px;
            }
        }

        @media (max-width: 520px) {
            .brand-name {
                font-size: 16px;
            }

            .hero-page-tag {
                font-size: 12px;
            }

            .article-title {
                font-size: 26px;
            }

            .content-card-title {
                font-size: 17px;
            }

            .section-head {
                align-items: flex-start;
                flex-direction: column;
            }

            .section-link {
                padding: 9px 16px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
  --bg-dark: #0B0E21;
  --bg-dark-2: #111634;
  --bg-light: #F6F7FC;
  --card-white: #FFFFFF;
  --ink: #1E293B;
  --body: #64748B;
  --muted: #94A3B8;
  --line: #E6E9F2;
  --purple: #8B5CF6;
  --purple-soft: #F3F0FF;
  --gold: #F5B93F;
  --grad-main: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
  --grad-cyan: linear-gradient(135deg, #22D3EE 0%, #3B82F6 100%);
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow-card: 0 2px 8px rgba(15,23,42,.04), 0 12px 32px rgba(15,23,42,.06);
  --shadow-hover: 0 8px 24px rgba(124,58,237,.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: "PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
label { display: block; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section-block { padding: 96px 0; }
.bg-mist { background: var(--bg-light); }
.bg-dark-section { background: var(--bg-dark); color: #fff; }

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--purple-soft); color: #6D28D9;
  font-size: 13px; padding: 7px 16px; border-radius: 999px; font-weight: 600;
}
.section-eyebrow.dark { background: rgba(124,58,237,.22); color: #D6C6FF; }
.section-title {
  font-size: clamp(28px, 2.4vw, 38px);
  line-height: 1.28;
  font-weight: 800;
  margin: 18px 0 16px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.dark-section .section-title { color: #fff; }
.section-sub { color: var(--body); font-size: 16px; line-height: 1.9; margin: 0; }
.dark-section .section-sub { color: #C9CEE6; }
.head-left { border-left: 4px solid transparent; border-image: linear-gradient(#7C3AED,#EC4899) 1; padding-left: 18px; }
.divider-light { width: 100%; height: 1px; background: rgba(255,255,255,.12); border: 0; }

/* 按钮系统 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 26px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; font-size: 15px; line-height: 1.2; cursor: pointer;
  transition: all .2s ease; white-space: nowrap;
}
.btn:focus-visible { outline: 3px solid rgba(124,58,237,.45); outline-offset: 3px; }
.btn-primary {
  background: var(--grad-main); color: #fff; box-shadow: 0 8px 22px rgba(124,58,237,.36);
}
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(124,58,237,.44); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost-light {
  background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.28);
  backdrop-filter: blur(8px);
}
.btn-ghost-light:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.68); color: #fff; transform: translateY(-2px); }
.btn-ghost {
  background: #fff; color: #334155; border-color: #CBD5E1;
}
.btn-ghost:hover { border-color: var(--purple); color: var(--purple); }
.btn-dark {
  background: var(--bg-dark); color: #fff; border-color: var(--bg-dark);
}
.btn-dark:hover { background: #232955; border-color: #232955; }

.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; font-weight: 700; font-size: 13px; padding: 5px 15px; }
.badge-gold { background: rgba(245,185,63,.14); color: #B7791F; border: 1px solid rgba(245,185,63,.4); }
.badge-purple { background: var(--purple-soft); color: #7C3AED; }
.chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: #475569; font-size: 13px; padding: 8px 17px; transition: .2s; }
a.chip:hover { border-color: #8B5CF6; color: #8B5CF6; background: #FAF7FF; }

/* 卡片系统 */
.card { background: var(--card-white); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }
.card-hover { transition: .25s ease; }
.card-hover:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.dark-card { background: var(--bg-dark-2); border-radius: 24px; border: 1px solid rgba(255,255,255,.08); }

/* 导航 */
.site-header {
  position: sticky; top: 0; z-index: 80;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid #EFF1F8;
  box-shadow: 0 5px 16px rgba(15,23,42,.035);
}
.header-shell { display: flex; align-items: center; gap: 38px; height: 72px; position: relative; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-symbol {
  width: 42px; height: 42px; border-radius: 13px;
  background: var(--grad-main); display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(124,58,237,.32);
}
.brand-symbol svg { width: 25px; height: 25px; stroke: #fff; }
.brand-name { font-size: 20px; font-weight: 900; letter-spacing: .02em; color: #1E293B; }
.brand-name small { font-size: 13px; font-weight: 800; color: #7C3AED; background: var(--purple-soft); padding: 3px 9px; border-radius: 999px; margin-left: 3px; vertical-align: 4px; }

.site-nav { display: flex; align-items: center; gap: 30px; margin: 0 auto; }
.site-nav a {
  display: inline-flex; align-items: center; gap: 9px; font-weight: 700;
  font-size: 16px; color: #475569; border-radius: 999px;
  padding: 10px 18px; transition: .2s; line-height: 1;
}
.site-nav a i {
  width: 6px; height: 6px; border-radius: 50%;
  background: transparent; transition: background .2s;
}
.site-nav a:hover { color: #7C3AED; }
.site-nav a.active { background: #F3F0FF; color: #6D28D9; }
.site-nav a.active i { background: #8B5CF6; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.search-box { position: relative; width: 220px; }
.search-box input {
  width: 100%; height: 40px; border-radius: 999px; border: 1px solid #E2E8F0;
  background: #F8FAFC; padding: 0 18px 0 42px; font-size: 14px; color: #1E293B; outline: none;
  transition: .2s;
}
.search-box input:focus { border-color: #8B5CF6; background: #fff; box-shadow: 0 0 0 3px rgba(139,92,246,.14); }
.search-box svg { position: absolute; left: 16px; top: 50%; transform: translateY(-14px); width: 16px; height: 16px; color: #94A3B8; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; }
.btn-header {
  display: inline-flex; align-items: center; gap: 8px; background: var(--grad-main); color: #fff;
  font-size: 14px; font-weight: 700; border-radius: 999px; padding: 10px 20px; box-shadow: 0 6px 16px rgba(124,58,237,.28);
  transition: .2s;
}
.btn-header:hover { transform: translateY(-1px); box-shadow: 0 9px 24px rgba(124,58,237,.34); }
.btn-header:active { transform: translateY(0); }
.nav-toggle { display: none; border: 0; background: #f1f3f8; width: 44px; height: 44px; border-radius: 12px; cursor: pointer; align-items: center; justify-content: center; color: #1E293B; font-size: 20px; margin-left: auto; }

.site-header.mobile-open .mobile-nav { max-height: 440px; opacity: 1; }
.mobile-nav { display: none; max-height: 0; overflow: hidden; opacity: 0; transition: max-height .35s ease, opacity .28s ease; background: #fff; border-top: 1px solid #F1F5F9; }
.mobile-nav .container { padding: 16px 24px 22px; }
.mobile-nav a { display: block; padding: 13px 4px; font-weight: 700; color: var(--ink); border-bottom: 1px dashed #E2E8F0; }
.mobile-nav a.active { color: #7C3AED; }
.mobile-search { display: block !important; width: 100%; margin-bottom: 10px; }
.mobile-search .search-box { width: 100%; }
.mobile-nav .btn-header { width: 100%; margin-top: 8px; justify-content: center; }

/* 分类英雄区 */
.cat-hero {
  background-image: linear-gradient(112deg, rgba(11,14,33,.96) 8%, rgba(17,22,52,.86) 45%, rgba(15,18,44,.68) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center; padding: 110px 0 90px; position: relative; overflow: hidden;
}
.star-glow { position: absolute; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(236,72,153,.22), transparent 66%); top: -100px; right: 5%; filter: blur(18px); pointer-events: none; }
.hero-breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; color: #B8BFD4; font-size: 14px; }
.hero-breadcrumb a { color: #B8BFD4; }
.hero-breadcrumb .sep { color: #5E6480; }
.cat-live-tag { display: inline-flex; align-items: center; gap: 8px; color: #fff; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); padding: 6px 16px; border-radius: 999px; font-size: 13px; margin-bottom: 20px; width: max-content; }
.cat-live-tag i { width: 8px; height: 8px; background: #34D399; border-radius: 50%; box-shadow: 0 0 0 4px rgba(52,211,153,.18); }
.cat-hero h1 {
  font-size: clamp(38px, 5vw, 62px); font-weight: 900; line-height: 1.18; color: #fff; margin: 0 0 22px; max-width: 900px; letter-spacing: .005em;
}
.cat-hero h1 .brand-grad-text {
  background: linear-gradient(135deg, #F4BCF0 0%, #FFD7EC 38%, #A78BFA 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.cat-hero p.hero-lead { font-size: 17px; line-height: 1.9; color: #BFC6DC; max-width: 720px; margin: 0 0 32px; }
.cat-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 28px; }
.hero-trustline { display: flex; flex-wrap: wrap; gap: 16px 26px; color: #98A0C1; font-size: 13px; margin-top: 24px; }
.hero-trustline span i { color: #F5B93F; margin-right: 5px; }
.hero-float-stat {
  position: absolute; right: 4%; bottom: 52px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(10px); border-radius: 22px; padding: 18px 22px; color: #fff; max-width: 300px;
}
.hero-float-stat .h-number { font-size: 26px; font-weight: 900; color: #F5B93F; }

/* 频道快捷入口 */
.channel-strip { background: #fff; box-shadow: var(--shadow-card); border-radius: 24px; padding: 20px 22px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 12px; justify-content: space-between; margin-top: -35px; position: relative; z-index: 30; }
.channel-strip-label { color: var(--muted); font-size: 14px; }
.channel-strip a { color: #475569; background: #F8FAFC; border: 1px solid #EDF0F7; padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: 14px; }
.channel-strip a:hover { color: #7C3AED; border-color: #C4B5FD; background: #FAF7FF; }
.channel-strip a.on { background: var(--grad-main); color: #fff; border-color: transparent; }

/* KPI 数据带 */
.kpi-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.kpi-card { padding: 30px 28px; border-radius: 24px; background: #fff; box-shadow: var(--shadow-card); position: relative; overflow: hidden; transition: .3s ease; }
.kpi-card:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(124,58,237,.13); }
.kpi-card.focus { background: #0F142E; }
.kpi-card.focus .value, .kpi-card.focus .label { color: #fff; }
.kpi-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.kpi-icon { width: 52px; height: 52px; border-radius: 17px; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.kpi-icon.purple { background: rgba(124,58,237,.13); color: #7C3AED; }
.kpi-icon.pink { background: rgba(236,72,153,.12); color: #DB2777; }
.kpi-icon.gold { background: rgba(245,185,63,.14); color: #B7791F; }
.kpi-icon.cyan { background: rgba(34,211,238,.12); color: #0891B2; }
.kpi-card.focus .kpi-icon { background: rgba(255,255,255,.16); color: #fff; }
.kpi-star { font-size: 15px; color: #F5B93F; }
.kpi-value { font-size: 36px; font-weight: 900; letter-spacing: -.02em; line-height: 1.1; margin: 6px 0 8px; }
.kpi-unit { font-size: 15px; color: var(--muted); margin-left: 3px; font-weight: 600; }
.kpi-card.focus .kpi-unit { color: #C9CEE6; }
.kpi-label { font-size: 14px; color: var(--body); font-weight: 600; }
.kpi-card.focus .kpi-label { color: #AEB6D2; }
.kpi-trend { margin-top: 12px; display: inline-flex; align-items: center; gap: 4px; background: var(--purple-soft); padding: 5px 10px; border-radius: 999px; font-size: 12px; color: #6D28D9; width: max-content; }
.focus .kpi-trend { background: rgba(245,185,63,.14); color: #F5B93F; }

/* 暗色趋势图 */
.trend-panel {
  background: #0B0E21; border: 1px solid rgba(255,255,255,.06); border-radius: 28px; padding: clamp(30px, 4vw, 48px);
  overflow: hidden; position: relative;
}
.trend-panel::before {
  content: ''; width: 340px; height: 340px; background: radial-gradient(circle, rgba(124,58,237,.18), transparent 65%);
  position: absolute; right: -90px; top: -80px; border-radius: 50%; pointer-events: none;
}
.chart-legend { display: flex; flex-wrap: wrap; gap: 28px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: #B8BED3; }
.chart-legend .line1 { width: 24px; height: 3px; border-radius: 99px; background: linear-gradient(90deg,#F0ABFC,#EC4899); }
.chart-legend .line2 { width: 24px; height: 3px; border-radius: 99px; background: linear-gradient(90deg,#22D3EE,#3B82F6); }
.trend-note { margin-top: 24px; border-top: 1px solid rgba(255,255,255,.09); padding-top: 18px; color: #8A91AD; font-size: 13px; display: flex; gap: 8px; }
.trend-note i { color: #F5B93F; }

/* 4×指标说明 */
.metric-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.metric-card {
  background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 28px;
  transition: .25s; position: relative; overflow: hidden;
}
.metric-card::before { content: attr(data-index); position: absolute; right: 16px; bottom: 12px; font-size: 72px; font-weight: 900; color: #F1F4F9; line-height: 1; }
.metric-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.metric-icon { width: 48px; height: 48px; border-radius: 15px; background: rgba(124,58,237,.12); color: #7C3AED; display: inline-flex; align-items: center; justify-content: center; font-size: 21px; margin-bottom: 18px; }
.metric-card h3 { font-size: 19px; font-weight: 700; margin: 0 0 8px; color: var(--ink); }
.metric-card p { color: var(--body); font-size: 15px; margin: 0; line-height: 1.85; }

/* 使用场景 */
.usage-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.usage-media { position: relative; border-radius: 28px; overflow: hidden; box-shadow: 0 18px 60px rgba(15,23,42,.12); }
.usage-media img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; }
.usage-media-tag { position: absolute; left: 16px; bottom: 16px; background: rgba(11,14,33,.82); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: #fff; padding: 8px 18px; font-size: 13px; }
.usage-media-tag i { color: #F5B93F; margin-right: 5px; }
.steps { display: flex; flex-direction: column; gap: 16px; }
.step-item {
  display: flex; gap: 18px; background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 22px 24px;
  transition: .25s ease;
}
.step-item:hover { border-color: #D8C6FF; box-shadow: 0 10px 26px rgba(124,58,237,.1); }
.step-number { flex: 0 0 auto; width: 46px; height: 46px; border-radius: 14px; background: #F3F0FF; color: #6D28D9; font-weight: 900; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.step-item:nth-child(2) .step-number { background: rgba(236,72,153,.1); color: #DB2777; }
.step-item:nth-child(3) .step-number { background: rgba(245,185,63,.15); color: #B7791F; }
.step-content h3 { margin: 0 0 6px; font-size: 18px; font-weight: 800; color: var(--ink); }
.step-content p { margin: 0; color: var(--body); font-size: 15px; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 14px; max-width: 860px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid #E8EAF3; border-radius: 20px; overflow: hidden; transition: box-shadow .2s; }
.faq-item.open { border-color: #DDD0FC; box-shadow: 0 8px 22px rgba(124,58,237,.07); }
.faq-q { display: flex; align-items: center; gap: 15px; padding: 20px 24px; cursor: pointer; font-weight: 700; font-size: 17px; color: var(--ink); background: transparent; border: 0; width: 100%; text-align: left; justify-content: space-between; }
.faq-q-left { display: flex; align-items: center; gap: 14px; }
.faq-q-num { width: 30px; height: 30px; border-radius: 50%; background: var(--purple-soft); color: #6D28D9; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; font-weight: 700; }
.faq-arrow { width: 26px; height: 26px; stroke: #94A3B8; transition: .3s; flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); stroke: #7C3AED; }
.faq-panel { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a { padding: 0 24px 22px 68px; font-size: 15px; color: var(--body); line-height: 1.9; border-top: 1px dashed #EDEEF4; margin-top: -4px; padding-top: 14px; }

/* CTA 转化区 */
.cta-gradient {
  background: linear-gradient(135deg, #3A1D78 0%, #7C3AED 34%, #EC4899 100%);
  border-radius: 32px;
  position: relative;
  overflow: hidden;
  padding: 56px;
  color: #fff;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 40px;
  box-shadow: 0 18px 44px rgba(124,58,237,.3);
}
.cta-gradient::before { content: ''; position: absolute; width: 420px; height: 420px; background: radial-gradient(rgba(255,255,255,.18), transparent 60%); border-radius: 50%; left: -120px; top: -130px; pointer-events: none; }
.cta-title { font-size: clamp(28px,3vw,40px); font-weight: 900; line-height: 1.25; margin-top: 20px; letter-spacing: .01em; }
.cta-copy { font-size: 16px; color: rgba(255,255,255,.82); margin: 20px 0 28px; max-width: 430px; }
.form-card { background: #fff; border-radius: 22px; box-shadow: 0 16px 32px rgba(15,23,42,.16); padding: 30px 32px; }
.form-card label { font-size: 14px; font-weight: 700; color: #1E293B; margin: 16px 0 6px; }
.form-card .fd-input, .form-card select, .form-card textarea {
  width: 100%; height: 48px; background: #F8FAFC; border: 1px solid #DDE2EC; border-radius: 12px;
  padding: 0 16px; color: #1E293B; font-size: 15px; outline: 0; transition: .2s;
}
.form-card .fd-input:focus, .form-card select:focus, .form-card textarea:focus { background: #fff; border-color: #8B5CF6; box-shadow: 0 0 0 3px rgba(139,92,246,.15); }
.form-card textarea { height: 100px; padding: 14px 16px; resize: vertical; }
.form-card select { appearance: none; background: #F8FAFC url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 16px center; }
.form-status { margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: #E8FFF2; color: #0B7A46; font-size: 14px; display: none; }
.form-status.show { display: flex; gap: 8px; align-items: center; }

/* 页脚 */
.footer {
  background: var(--bg-dark);
  color: #9AA1BC;
  font-size: 14px;
  padding: 70px 0 0;
  margin-top: 0;
}
.footer .footer-brand p { margin: 18px 0 0; color: #98A0BC; line-height: 1.9; font-size: 14px; max-width: 400px; }
.footer-top { display: grid; grid-template-columns: 1.3fr 2fr; gap: 60px; padding-bottom: 52px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.footer-links h4 { color: #E8EBFA; font-size: 16px; margin: 0 0 18px; font-weight: 700; }
.footer-links a { display: flex; align-items: center; gap: 8px; color: #9AA1BC; padding: 5px 0; transition: .2s; cursor: pointer; }
.footer-links a i { font-size: 10px; color: #645F7A; }
.footer-links a:hover { color: #fff; }
.footer-links a:hover i { color: #D6C6FF; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; display: flex; justify-content: space-between; gap: 20px; align-items: center; flex-wrap: wrap; font-size: 13px; color: #737A9C; }

/* 响应式 */
@media (max-width: 1100px) {
  .header-shell { flex-wrap: wrap; gap: 12px; }
  .site-nav { margin: 0; order: 3; }
  .search-box { display: none; }
  .btn-header { display: none; }
  .header-actions { margin-left: auto; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav { display: block; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .kpi-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 820px) {
  .section-block { padding: 64px 0; }
  .metric-grid, .usage-grid { grid-template-columns: 1fr; }
  .cta-gradient { grid-template-columns: 1fr; padding: 30px; gap: 30px; }
  .footer-links { grid-template-columns: repeat(2,1fr); }
  .hero-float-stat { display: none; }
}
@media (max-width: 560px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .kpi-card { padding: 20px; }
  .kpi-icon { width: 42px; height: 42px; font-size: 18px; }
  .kpi-value { font-size: 27px; }
  .section-title { font-size: 27px; }
  .cat-hero h1 { font-size: 36px; }
  .footer-links { grid-template-columns: 1fr; }
  .cat-hero { padding: 80px 0 70px; }
  .form-card { padding: 20px; }
}
@media (max-width: 420px) {
  .kpi-grid { grid-template-columns: 1fr; }
}