/* roulang page: index */
:root{
  --navy:#1a1f3d;
  --navy-2:#232a52;
  --navy-3:#2d3565;
  --gold:#ffb400;
  --gold-2:#ffd25c;
  --gold-deep:#f08c00;
  --text:#20253f;
  --muted:#6c7391;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --line:#e4e7f2;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 4px 14px rgba(20,24,52,.06);
  --shadow:0 10px 30px rgba(20,24,52,.10);
  --shadow-lg:0 22px 54px rgba(20,24,52,.18);
  --container:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:88px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--navy);font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,180,0,.7);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,#161a35 0%,#1a1f3d 100%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 26px rgba(12,15,32,.28);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:74px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#141834;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;
  box-shadow:0 6px 16px rgba(255,180,0,.32);
}
.brand-text{color:#fff;font-size:17px;font-weight:800;letter-spacing:.4px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;
  padding:8px 15px;
  border-radius:999px;
  font-size:15px;
  color:rgba(255,255,255,.72);
  transition:color .2s ease,background .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.active{color:var(--gold);background:rgba(255,180,0,.14);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:11px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  cursor:pointer;
  padding:0;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  padding:12px 26px;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  line-height:1.2;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#1a1a20;
  box-shadow:0 10px 24px rgba(255,180,0,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42);color:#1a1a20}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3)}
.btn-ghost{
  background:rgba(255,255,255,.06);
  color:#fff;
  border:1px solid rgba(255,255,255,.24);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-dark{
  background:var(--navy);
  color:#fff;
  box-shadow:var(--shadow-sm);
}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px);color:#fff}
.btn-outline{
  background:#fff;
  color:var(--navy);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.btn-outline:hover{border-color:rgba(255,180,0,.65);color:var(--navy);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--navy);
  padding:64px 0 76px;
  isolation:isolate;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  opacity:.42;
  z-index:-2;
  transform:scale(1.04);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(1000px 480px at 12% 6%,rgba(255,180,0,.20),transparent 62%),
    linear-gradient(120deg,rgba(18,21,44,.96) 0%,rgba(26,31,61,.90) 52%,rgba(35,42,82,.78) 100%);
  z-index:-1;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:52px;
  align-items:start;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.34);
  color:var(--gold-2);
  font-size:13px;
  font-weight:700;
  letter-spacing:.6px;
}
.hero h1{
  margin-top:22px;
  color:#fff;
  font-size:clamp(28px,3.5vw,44px);
  line-height:1.28;
  letter-spacing:-.3px;
}
.hero h1 em{
  font-style:normal;
  color:var(--gold);
  background:linear-gradient(180deg,transparent 66%,rgba(255,180,0,.24) 66%);
}
.hero-pain{
  margin-top:20px;
  padding-left:16px;
  border-left:3px solid var(--gold);
  color:rgba(255,255,255,.86);
  font-size:16px;
  font-weight:600;
}
.hero-lead{
  margin-top:18px;
  color:rgba(255,255,255,.72);
  font-size:15.5px;
  line-height:1.95;
  max-width:620px;
}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-points li{
  font-size:13.5px;
  color:rgba(255,255,255,.9);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:6px 15px;
}
.lead-form{
  margin-top:28px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;
  padding:18px;
  max-width:620px;
  backdrop-filter:blur(6px);
}
.lead-form-row{display:flex;gap:10px;flex-wrap:wrap}
.lead-form input[type="text"]{
  flex:1 1 240px;
  min-width:0;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.94);
  color:var(--navy);
  padding:12px 20px;
  font-size:15px;
}
.lead-form input[type="text"]::placeholder{color:#8a90ab}
.form-note{margin-top:11px;font-size:13px;color:rgba(255,255,255,.58)}
.form-note.ok{color:var(--gold-2);font-weight:700}
.hero-side{display:flex;flex-direction:column;gap:18px}
.hero-figure{
  margin:0;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--shadow-lg);
  background:rgba(255,255,255,.06);
}
.hero-figure img{width:100%;height:250px;object-fit:cover}
.hero-stat-card{
  background:rgba(255,255,255,.96);
  border-radius:16px;
  padding:20px 22px;
  box-shadow:var(--shadow-lg);
}
.hero-stat-card h2{
  font-size:14px;
  letter-spacing:.5px;
  color:var(--muted);
  font-weight:700;
}
.hero-stat-list{margin-top:14px;display:grid;gap:12px}
.hero-stat-list li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-bottom:12px;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  color:var(--text);
}
.hero-stat-list li:last-child{border-bottom:none;padding-bottom:0}
.hero-stat-list b{color:var(--navy);font-size:17px;font-weight:800}
.hero-stat-list .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--gold);
  display:inline-block;margin-right:9px;
  box-shadow:0 0 0 4px rgba(255,180,0,.18);
}
/* ---------- Sections ---------- */
.section{padding:74px 0}
.section-tight{padding:56px 0}
.section-alt{background:#fff}
.section-dark{
  background:linear-gradient(150deg,#161a35 0%,#1a1f3d 55%,#252d5b 100%);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark .section-desc{color:rgba(255,255,255,.7)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:1.4px;
  color:var(--gold-deep);
  background:rgba(255,180,0,.12);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:14px;
}
.section-dark .section-tag{color:var(--gold-2);background:rgba(255,180,0,.16)}
.section-head h2{font-size:clamp(22px,2.5vw,31px);letter-spacing:-.2px}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9}
/* ---------- Grids & cards ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.42)}
.card h3{font-size:17.5px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px;line-height:1.85}
.card-index{
  width:38px;height:38px;border-radius:10px;
  display:grid;place-items:center;
  background:rgba(255,180,0,.14);
  color:var(--gold-deep);
  font-weight:800;font-size:15px;
  margin-bottom:16px;
}
.tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  color:var(--gold-deep);
  background:rgba(255,180,0,.13);
  border-radius:999px;
  padding:4px 12px;
}
.tag-plain{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  color:var(--muted);
  background:#eef0f8;
  border-radius:999px;
  padding:4px 12px;
}
/* ---------- Collections ---------- */
.collect-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.collect-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.55)}
.collect-card .num{
  font-size:13px;font-weight:800;letter-spacing:2px;color:var(--gold-deep);
}
.collect-card h3{margin-top:12px;font-size:20px}
.collect-card p{margin-top:12px;color:var(--muted);font-size:14.5px;line-height:1.85;flex:1}
.collect-card .go{
  margin-top:20px;
  display:inline-flex;align-items:center;gap:7px;
  font-size:14.5px;font-weight:800;color:var(--navy);
}
.collect-card .go::after{content:"→";transition:transform .2s ease}
.collect-card:hover .go::after{transform:translateX(4px)}
/* ---------- Split blocks ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:46px;
  align-items:center;
}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.split-media img{width:100%;height:400px;object-fit:cover}
.steps{display:grid;gap:16px;margin-top:26px}
.step-item{
  display:flex;
  gap:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px 20px;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,transform .2s ease;
}
.step-item:hover{border-color:rgba(255,180,0,.5);transform:translateX(4px)}
.step-num{
  flex:0 0 34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--navy);color:var(--gold);
  font-weight:800;font-size:14px;
}
.step-item h3{font-size:16px;margin-bottom:6px}
.step-item p{color:var(--muted);font-size:14.5px;line-height:1.8}
/* ---------- Stats ---------- */
.stat-band{
  background:linear-gradient(135deg,#20264a,#2b3364);
  border-radius:var(--radius-lg);
  padding:38px 30px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,.08);
}
.stat-item{text-align:center;color:#fff}
.stat-item b{
  display:block;
  font-size:32px;
  font-weight:800;
  color:var(--gold);
  line-height:1.2;
  letter-spacing:-.5px;
}
.stat-item span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.72)}
/* ---------- Related ---------- */
.media-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
  height:100%;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.media-card img{width:100%;height:190px;object-fit:cover}
.media-body{padding:20px 22px 24px}
.media-body h3{font-size:16.5px;margin-top:10px}
.media-body p{margin-top:9px;color:var(--muted);font-size:14px;line-height:1.8}
/* ---------- News ---------- */
.news-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:8px 26px;
  box-shadow:var(--shadow-sm);
}
.news-item{
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.news-item:last-child{border-bottom:none}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.news-item h3{margin-top:10px;font-size:17px;line-height:1.55}
.news-item h3 a{color:var(--navy);transition:color .2s ease}
.news-item h3 a:hover{color:var(--gold-deep)}
.news-item p{margin-top:8px;color:var(--muted);font-size:14px;line-height:1.8}
.empty-tip{
  padding:34px 4px;
  color:var(--muted);
  font-size:15px;
  text-align:center;
  background:#f8f9fe;
  border-radius:var(--radius);
}
.side-panel{
  background:linear-gradient(165deg,#1c2244,#262e5b);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  color:#fff;
  box-shadow:var(--shadow);
  height:100%;
}
.side-panel h3{color:#fff;font-size:16.5px}
.side-list{margin-top:18px;display:grid;gap:15px}
.side-list li{padding-bottom:14px;border-bottom:1px dashed rgba(255,255,255,.16)}
.side-list li:last-child{border-bottom:none;padding-bottom:0}
.side-list a{font-size:14.5px;color:rgba(255,255,255,.9);line-height:1.7;display:block;transition:color .2s ease}
.side-list a:hover{color:var(--gold)}
.side-list time{display:block;margin-top:6px;font-size:12.5px;color:rgba(255,255,255,.5)}
/* ---------- Share ---------- */
.share-box{
  background:linear-gradient(135deg,rgba(255,180,0,.14),rgba(255,180,0,.04));
  border:1px dashed rgba(255,180,0,.6);
  border-radius:var(--radius-lg);
  padding:32px 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  flex-wrap:wrap;
}
.share-box h2{font-size:20px}
.share-box p{margin-top:8px;color:var(--muted);font-size:14.5px;max-width:620px}
.share-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ---------- Topics ---------- */
.topics-wrap{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  padding:52px 40px;
  background-size:cover;
  background-position:center;
  isolation:isolate;
}
.topics-wrap::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(20,24,52,.94),rgba(26,31,61,.82));
  z-index:-1;
}
.topics-wrap h2{color:#fff;font-size:clamp(21px,2.4vw,28px)}
.topics-wrap .section-desc{color:rgba(255,255,255,.7);max-width:720px}
.topic-tags{display:flex;flex-wrap:wrap;gap:11px;margin-top:26px}
.topic-tags a{
  display:inline-block;
  padding:9px 18px;
  border-radius:999px;
  font-size:14px;
  color:rgba(255,255,255,.88);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  transition:all .2s ease;
}
.topic-tags a:hover{background:var(--gold);color:#1a1a20;border-color:var(--gold);transform:translateY(-2px)}
/* ---------- Reviews ---------- */
.review-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow-sm);
  height:100%;
  display:flex;
  flex-direction:column;
}
.review-stars{color:var(--gold);letter-spacing:3px;font-size:15px}
.review-card blockquote{
  margin:14px 0 0;
  font-size:14.8px;
  line-height:1.9;
  color:var(--text);
  flex:1;
}
.review-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.avatar{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--navy-3),var(--navy));
  color:var(--gold);
  display:grid;place-items:center;
  font-weight:800;font-size:15px;
}
.review-user b{display:block;font-size:14px;color:var(--navy)}
.review-user span{display:block;font-size:12.5px;color:var(--muted)}
/* ---------- Compare table ---------- */
.compare-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.compare-table{width:100%;border-collapse:collapse;font-size:14.5px}
.compare-table th,.compare-table td{
  padding:17px 22px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.compare-table thead th{
  background:var(--navy);
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:.3px;
}
.compare-table thead th.hl{background:linear-gradient(135deg,#2a3266,#1f2650);color:var(--gold)}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr:nth-child(even){background:#fafbff}
.compare-table td:first-child{font-weight:700;color:var(--navy)}
.compare-table td.hl{background:rgba(255,180,0,.06);color:var(--navy);font-weight:600}
.compare-table td:not(:first-child){color:var(--muted)}
.compare-table td.hl strong{color:var(--gold-deep)}
/* ---------- Guarantee ---------- */
.guarantee{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.guarantee-item{
  display:flex;
  align-items:flex-start;
  gap:13px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow-sm);
}
.guarantee-item .ico{
  flex:0 0 38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:rgba(255,180,0,.14);
  color:var(--gold-deep);
  font-size:17px;
  font-weight:800;
}
.guarantee-item h3{font-size:15px;margin-bottom:5px}
.guarantee-item p{font-size:13.5px;color:var(--muted);line-height:1.75}
/* ---------- Final CTA ---------- */
.final-cta{
  background:linear-gradient(135deg,#1a1f3d,#2c3468 60%,#3a4483);
  border-radius:var(--radius-lg);
  padding:56px 44px;
  text-align:center;
  color:#fff;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.final-cta::before{
  content:"";position:absolute;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
  top:-140px;right:-80px;
}
.final-cta h2{color:#fff;font-size:clamp(22px,2.6vw,30px);position:relative}
.final-cta p{
  margin:16px auto 0;
  max-width:680px;
  color:rgba(255,255,255,.74);
  font-size:15px;
  line-height:1.9;
  position:relative;
}
.final-cta .btn{margin-top:26px;position:relative}
/* ---------- Footer ---------- */
.site-footer{
  background:#12162e;
  color:rgba(255,255,255,.66);
  padding:56px 0 30px;
  margin-top:0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:40px;
  padding-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px}
.footer-brand strong{color:#fff;font-size:16.5px;font-weight:800}
.footer-about{font-size:14px;line-height:1.9;max-width:420px}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;font-weight:800;letter-spacing:.3px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.44);
}
/* ---------- Sticky bar ---------- */
.sticky-bar{
  position:fixed;
  left:50%;
  bottom:16px;
  transform:translateX(-50%);
  width:min(960px,calc(100% - 32px));
  z-index:90;
  background:rgba(22,26,53,.96);
  border:1px solid rgba(255,180,0,.34);
  border-radius:999px;
  padding:11px 14px 11px 24px;
  display:flex;
  align-items:center;
  gap:18px;
  box-shadow:0 16px 40px rgba(10,13,30,.42);
  backdrop-filter:blur(10px);
}
.sticky-bar p{
  font-size:14px;
  color:rgba(255,255,255,.86);
  flex:1;
  min-width:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.sticky-bar strong{color:var(--gold)}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-figure img{height:230px}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media img{height:320px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guarantee{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-about{grid-column:1 / -1;max-width:none}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;
    top:74px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#171c38;
    padding:14px 20px 20px;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 20px 40px rgba(10,13,30,.4);
    display:none;
    margin-left:0;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 16px;border-radius:10px}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .header-inner{justify-content:space-between}
  .main-nav{margin-left:0}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .hero{padding:44px 0 56px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .brand-text{font-size:15px;white-space:normal;line-height:1.3;max-width:180px}
  .topics-wrap{padding:38px 22px}
  .final-cta{padding:40px 22px}
  .share-box{padding:26px 22px}
  .news-panel{padding:6px 18px}
  .sticky-bar{padding:10px 12px 10px 18px}
  .sticky-bar p{font-size:13px}
  .compare-table th,.compare-table td{padding:13px 14px;font-size:13.5px}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero-lead{font-size:14.5px}
  .lead-form{padding:15px}
  .lead-form-row{flex-direction:column}
  .lead-form .btn{width:100%}
  .grid-4,.stat-band,.guarantee{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .stat-item b{font-size:27px}
  .sticky-bar{flex-direction:column;gap:8px;border-radius:18px;padding:14px 16px;text-align:center}
  .sticky-bar p{white-space:normal}
  .sticky-bar .btn{width:100%}
  body{padding-bottom:132px}
  .share-actions{width:100%}
  .share-actions .btn{width:100%}
}

/* roulang page: article */
:root{
 --navy:#1a1f3d;
 --navy-2:#232a52;
 --navy-3:#2d3565;
 --gold:#ffb400;
 --gold-2:#ffd25c;
 --gold-deep:#f08c00;
 --text:#20253f;
 --muted:#6c7391;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --line:#e4e7f2;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 4px 14px rgba(20,24,52,.06);
 --shadow:0 10px 30px rgba(20,24,52,.10);
 --shadow-lg:0 22px 54px rgba(20,24,52,.18);
 --container:1180px;
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--font);
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 padding-bottom:96px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
.container{
 width:100%;
 max-width:var(--container);
 margin:0 auto;
 padding-left:20px;
 padding-right:20px;
}
a:focus-visible,button:focus-visible,summary:focus-visible{
 outline:3px solid rgba(255,180,0,.65);
 outline-offset:3px;
 border-radius:8px;
}
/* ---------- Header ---------- */
.site-header{
 position:sticky;
 top:0;
 z-index:90;
 background:linear-gradient(180deg,#161a35 0%,#1a1f3d 100%);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 8px 26px rgba(12,15,32,.28);
}
.header-inner{
 position:relative;
 display:flex;
 align-items:center;
 gap:22px;
 height:74px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
 width:38px;height:38px;border-radius:11px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 color:#141834;
 display:grid;place-items:center;
 font-size:18px;font-weight:800;
 box-shadow:0 6px 16px rgba(255,180,0,.32);
}
.brand-text{color:#fff;font-size:17px;font-weight:800;letter-spacing:.4px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 display:inline-block;
 padding:8px 15px;
 border-radius:999px;
 font-size:15px;
 color:rgba(255,255,255,.72);
 transition:color .2s ease,background .2s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.active{color:var(--gold);background:rgba(255,180,0,.14);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
 display:none;
 width:42px;height:42px;
 border-radius:11px;
 border:1px solid rgba(255,255,255,.18);
 background:rgba(255,255,255,.06);
 cursor:pointer;
 padding:0;
 align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;
 align-items:center;
 justify-content:center;
 gap:8px;
 border:none;
 border-radius:999px;
 font-size:15px;
 font-weight:700;
 padding:12px 26px;
 cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 line-height:1.2;
}
.btn-gold{
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
 color:#1a1a20;
 box-shadow:0 10px 24px rgba(255,180,0,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42);color:#1a1a20}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3)}
.btn-outline{
 background:#fff;
 color:var(--navy);
 border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
}
.btn-outline:hover{border-color:rgba(255,180,0,.65);color:var(--navy);transform:translateY(-2px)}
.btn-ghost{
 background:rgba(255,255,255,.06);
 color:#fff;
 border:1px solid rgba(255,255,255,.24);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}
/* ---------- Article Hero（矮横幅） ---------- */
.article-hero{
 position:relative;
 isolation:isolate;
 overflow:hidden;
 background:var(--navy);
 padding:30px 0 42px;
 border-bottom:1px solid rgba(255,255,255,.06);
}
.article-hero .hero-bg{
 position:absolute;inset:0;z-index:-2;
 background-image:url(/assets/images/820be71ca88e27a8.webp);
 background-size:cover;
 background-position:center;
 opacity:.34;
}
.article-hero::after{
 content:"";
 position:absolute;inset:0;z-index:-1;
 background:
 radial-gradient(760px 320px at 8% 0%,rgba(255,180,0,.18),transparent 64%),
 linear-gradient(100deg,rgba(18,21,44,.96) 0%,rgba(26,31,61,.93) 56%,rgba(35,42,82,.82) 100%);
}
.crumbs{
 display:flex;flex-wrap:wrap;align-items:center;gap:8px;
 font-size:13px;color:rgba(255,255,255,.58);
}
.crumbs a:hover{color:var(--gold-2)}
.crumbs .sep{opacity:.45}
.crumbs .current{color:rgba(255,255,255,.86);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;
 font-size:12.5px;font-weight:700;
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.32);
 color:var(--gold-2);
}
.tag.is-plain{
 background:rgba(255,255,255,.07);
 border-color:rgba(255,255,255,.16);
 color:rgba(255,255,255,.82);
 font-weight:600;
}
.article-hero h1{
 margin-top:16px;
 max-width:920px;
 color:#fff;
 font-size:clamp(24px,3vw,36px);
 line-height:1.36;
 letter-spacing:-.2px;
}
.hero-summary{
 margin-top:14px;
 max-width:760px;
 color:rgba(255,255,255,.72);
 font-size:15px;
 line-height:1.9;
}
.hero-meta{
 display:flex;flex-wrap:wrap;gap:8px 24px;
 margin-top:18px;
 font-size:13px;
 color:rgba(255,255,255,.55);
}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta b{color:rgba(255,255,255,.82);font-weight:600}
/* ---------- Layout ---------- */
.article-section{padding:40px 0 56px}
.article-layout{
 display:grid;
 grid-template-columns:minmax(0,720px) 330px;
 gap:40px;
 align-items:start;
 justify-content:space-between;
}
.article-main{min-width:0}
/* ---------- Article Body ---------- */
.article-content{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);
 padding:34px 38px;
 font-size:16.5px;
 line-height:1.95;
 color:#2b3050;
 overflow-wrap:break-word;
}
.article-content > *:first-child{margin-top:0}
.article-content h2{
 margin:34px 0 14px;
 padding-left:15px;
 position:relative;
 font-size:22px;
 line-height:1.5;
 color:var(--navy);
}
.article-content h2::before{
 content:"";
 position:absolute;left:0;top:.42em;
 width:4px;height:.95em;border-radius:2px;
 background:linear-gradient(180deg,var(--gold-2),var(--gold-deep));
}
.article-content h3{margin:26px 0 10px;font-size:18px;color:var(--navy-2)}
.article-content h4{margin:20px 0 8px;font-size:16px;color:var(--navy-2)}
.article-content p{margin:0 0 16px}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:22px;list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:8px}
.article-content img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow-sm)}
.article-content a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--navy)}
.article-content blockquote{
 margin:22px 0;
 padding:16px 20px;
 border-left:4px solid var(--gold);
 background:#fffaf0;
 border-radius:0 var(--radius) var(--radius) 0;
 color:#5a4c34;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-content th{background:#f0f2fb;color:var(--navy);font-weight:700}
.article-content code{background:#f0f2fb;padding:2px 6px;border-radius:6px;font-size:14px}
.empty-state{padding:26px 0 10px;text-align:center}
.empty-state h2{
 font-size:20px;color:var(--navy);padding:0;margin:0 0 10px;
}
.empty-state h2::before{display:none}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px}
/* ---------- Blocks ---------- */
.block{margin-top:34px}
.block-title{
 display:flex;align-items:center;gap:10px;
 font-size:21px;line-height:1.5;color:var(--navy);
}
.block-title::before{
 content:"";flex:0 0 auto;
 width:6px;height:22px;border-radius:3px;
 background:linear-gradient(180deg,var(--gold-2),var(--gold-deep));
}
.block-desc{margin-top:8px;font-size:14.5px;line-height:1.85;color:var(--muted)}
.takeaway-card{
 margin-top:16px;
 padding:24px 26px;
 border-radius:var(--radius-lg);
 background:linear-gradient(135deg,#20264a,#2d3565);
 color:rgba(255,255,255,.82);
 box-shadow:var(--shadow);
}
.takeaway-list{display:grid;gap:14px}
.takeaway-list li{
 position:relative;
 padding-left:26px;
 font-size:14.5px;
 line-height:1.85;
}
.takeaway-list li::before{
 content:"";
 position:absolute;left:0;top:.62em;
 width:10px;height:10px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
}
.takeaway-list strong{display:block;color:#fff;font-size:15px;margin-bottom:2px}
/* Steps */
.steps{display:grid;gap:14px;margin-top:16px}
.step{
 display:flex;gap:14px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:16px 18px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.step-num{
 flex:0 0 auto;
 width:34px;height:34px;
 border-radius:10px;
 display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 color:#1a1a20;font-weight:800;font-size:15px;
}
.step h3{font-size:15.5px;color:var(--navy);line-height:1.6}
.step p{margin-top:4px;font-size:14px;line-height:1.85;color:var(--muted)}
/* Compare */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.compare-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:18px 20px;
 box-shadow:var(--shadow-sm);
}
.compare-card.is-bad{border-left:4px solid #dd7a7a}
.compare-card.is-good{border-left:4px solid #46a97b}
.compare-tag{
 display:inline-block;
 font-size:12px;font-weight:700;
 padding:3px 10px;border-radius:999px;
 background:#f2f4fc;color:#5b628a;
 margin-bottom:10px;
}
.compare-card.is-bad .compare-tag{background:#fdefef;color:#b85656}
.compare-card.is-good .compare-tag{background:#eefaf3;color:#2f8a61}
.compare-card h3{font-size:15.5px;color:var(--navy);line-height:1.6}
.compare-card p{margin-top:6px;font-size:14px;line-height:1.85;color:var(--muted)}
/* FAQ */
.faq-list{display:grid;gap:12px;margin-top:16px}
.faq-item{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:16px 20px;
 box-shadow:var(--shadow-sm);
}
.faq-item summary{
 cursor:pointer;
 list-style:none;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 font-size:15.5px;font-weight:700;color:var(--navy);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";
 flex:0 0 auto;
 color:var(--gold-deep);
 font-size:19px;font-weight:800;line-height:1;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin-top:12px;font-size:14.5px;line-height:1.9;color:#4a5070}
/* Related */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:16px}
.post-card{
 display:block;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 overflow:hidden;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:#e9ecf7}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:15px 17px 18px}
.post-body h3{font-size:15.5px;line-height:1.55;color:var(--navy)}
.post-body p{margin-top:7px;font-size:13.5px;line-height:1.8;color:var(--muted)}
/* CTA band */
.cta-band{
 margin-top:34px;
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
 padding:32px 34px;
 border-radius:var(--radius-lg);
 background:
  radial-gradient(520px 240px at 88% -10%,rgba(255,180,0,.22),transparent 62%),
  linear-gradient(120deg,#1a1f3d,#2d3565);
 color:#fff;
 box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:22px;line-height:1.5}
.cta-band p{margin-top:8px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- Sidebar ---------- */
.article-side{min-width:0}
.side-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:20px 22px;
 box-shadow:var(--shadow-sm);
 margin-bottom:20px;
}
.side-card h3{
 display:flex;align-items:center;gap:9px;
 font-size:16px;color:var(--navy);margin-bottom:14px;
}
.side-card h3::before{
 content:"";flex:0 0 auto;
 width:6px;height:18px;border-radius:3px;
 background:linear-gradient(180deg,var(--gold-2),var(--gold-deep));
}
.stat-list{display:grid}
.stat-list li{
 display:flex;align-items:baseline;justify-content:space-between;gap:12px;
 padding:9px 0;
 border-bottom:1px dashed var(--line);
 font-size:14px;
}
.stat-list li:last-child{border-bottom:0;padding-bottom:0}
.stat-list span{color:var(--muted);flex:0 0 auto}
.stat-list strong{color:var(--navy);font-weight:700;text-align:right;word-break:break-word}
.side-list{display:grid;gap:2px}
.side-list a{
 display:block;
 padding:9px 10px;
 border-radius:9px;
 font-size:14.5px;
 color:#454b6b;
 transition:background .2s ease,color .2s ease;
}
.side-list a:hover{background:#f3f5fd;color:var(--navy)}
.mini-post{
 display:flex;gap:12px;
 padding:10px 8px;
 border-radius:10px;
 transition:background .2s ease;
}
.mini-post:hover{background:#f5f7fd}
.mini-thumb{
 flex:0 0 auto;
 width:70px;height:52px;
 border-radius:8px;
 overflow:hidden;
 background:#e9ecf7;
}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-post h4{font-size:14px;line-height:1.6;color:var(--navy)}
.mini-post p{margin-top:3px;font-size:12.5px;color:var(--muted);line-height:1.6}
.side-note{
 font-size:13px;line-height:1.85;color:var(--muted);
}
.side-note strong{color:var(--navy)}
/* ---------- Footer ---------- */
.site-footer{
 background:#141834;
 color:rgba(255,255,255,.66);
 padding:52px 0 26px;
 margin-top:20px;
}
.footer-top{
 display:grid;
 grid-template-columns:1.6fr 1fr 1fr;
 gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;margin-bottom:14px}
.footer-brand strong{font-size:16px;letter-spacing:.3px}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.56);max-width:430px}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:14px;font-weight:700}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
 margin-top:34px;padding-top:18px;
 border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 font-size:13px;color:rgba(255,255,255,.42);
}
/* ---------- Sticky bar ---------- */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:80;
 background:rgba(20,24,52,.96);
 backdrop-filter:blur(10px);
 border-top:1px solid rgba(255,255,255,.1);
 box-shadow:0 -10px 30px rgba(10,13,28,.35);
 padding:12px 0;
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-text{font-size:14px;color:rgba(255,255,255,.78);line-height:1.6}
.sticky-text strong{color:var(--gold);font-weight:700}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .article-layout{grid-template-columns:minmax(0,1fr);gap:28px}
 .article-content{padding:28px 26px}
 .related-grid{grid-template-columns:repeat(2,1fr)}
 .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:880px){
 .main-nav{
  position:absolute;top:100%;left:0;right:0;
  display:none;flex-direction:column;align-items:stretch;gap:4px;
  padding:14px 18px 18px;
  background:#1a1f3d;
  border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:0 18px 30px rgba(10,13,28,.4);
  margin-left:0;
 }
 .main-nav.open{display:flex}
 .nav-link{padding:12px 14px;border-radius:10px;font-size:15px}
 .nav-toggle{display:flex}
 .header-inner{gap:12px;height:66px}
 .brand-text{font-size:15.5px}
}
@media (max-width:768px){
 .article-hero{padding:24px 0 34px}
 .hero-summary{font-size:14.5px}
 .article-section{padding:28px 0 40px}
 .article-content{padding:22px 20px;font-size:16px;border-radius:16px}
 .article-content h2{font-size:20px}
 .compare-grid{grid-template-columns:1fr}
 .related-grid{grid-template-columns:1fr}
 .cta-band{padding:26px 22px}
 .cta-band h2{font-size:19px}
 .cta-actions{width:100%}
 .cta-actions .btn{flex:1 1 100%}
 .footer-top{grid-template-columns:1fr;gap:26px}
 .sticky-text{font-size:13px}
}
@media (max-width:560px){
 .brand-text{font-size:14px;max-width:132px;overflow:hidden;text-overflow:ellipsis}
 .header-actions .btn-sm{padding:8px 14px;font-size:13px}
 .hero-meta{font-size:12.5px;gap:6px 16px}
 .takeaway-card{padding:20px 18px}
 .block-title{font-size:19px}
 .sticky-inner{flex-direction:column;align-items:stretch;gap:8px;text-align:center}
 .sticky-inner .btn{width:100%}
 body{padding-bottom:132px}
 .footer-bottom{font-size:12px}
}

/* roulang page: category1 */
:root{
  --navy:#1a1f3d;
  --navy-2:#232a52;
  --navy-3:#2d3565;
  --gold:#ffb400;
  --gold-2:#ffd25c;
  --gold-deep:#f08c00;
  --text:#20253f;
  --muted:#6c7391;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --line:#e4e7f2;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 4px 14px rgba(20,24,52,.06);
  --shadow:0 10px 30px rgba(20,24,52,.10);
  --shadow-lg:0 22px 54px rgba(20,24,52,.18);
  --container:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:86px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:-.2px}
p{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
::selection{background:rgba(255,180,0,.32);color:var(--navy)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,#161a35 0%,#1a1f3d 100%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 26px rgba(12,15,32,.28);
}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:22px;
  height:74px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#141834;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;
  box-shadow:0 6px 16px rgba(255,180,0,.32);
}
.brand-text{color:#fff;font-size:17px;font-weight:800;letter-spacing:.4px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;
  padding:8px 15px;
  border-radius:999px;
  font-size:15px;
  color:rgba(255,255,255,.72);
  transition:color .2s ease,background .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.nav-link.active{color:var(--gold);background:rgba(255,180,0,.14);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:11px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  cursor:pointer;
  padding:0;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  padding:12px 26px;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  line-height:1.2;
  text-align:center;
}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#1a1a20;
  box-shadow:0 10px 24px rgba(255,180,0,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42);color:#1a1a20}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3)}
.btn-ghost{
  background:rgba(255,255,255,.06);
  color:#fff;
  border:1px solid rgba(255,255,255,.24);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);color:#fff}
.btn-dark{
  background:var(--navy);
  color:#fff;
  box-shadow:var(--shadow-sm);
}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px);color:#fff}
.btn-outline{
  background:#fff;
  color:var(--navy);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.btn-outline:hover{border-color:rgba(255,180,0,.65);color:var(--navy);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--navy);
  padding:52px 0 62px;
  isolation:isolate;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  opacity:.40;
  z-index:-2;
  transform:scale(1.04);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(900px 440px at 14% 4%,rgba(255,180,0,.20),transparent 62%),
    linear-gradient(118deg,rgba(18,21,44,.97) 0%,rgba(26,31,61,.93) 54%,rgba(35,42,82,.80) 100%);
  z-index:-1;
}
.bento{
  display:grid;
  grid-template-columns:1.42fr .58fr;
  gap:22px;
  align-items:stretch;
}
.bento-main{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius-lg);
  padding:34px 34px 30px;
  backdrop-filter:blur(6px);
  box-shadow:0 26px 60px rgba(8,10,24,.35);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.34);
  color:var(--gold-2);
  font-size:13px;
  font-weight:700;
  letter-spacing:.6px;
}
.hero h1{
  margin-top:20px;
  color:#fff;
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.3;
  letter-spacing:-.4px;
}
.hero h1 em{
  font-style:normal;
  color:var(--gold);
  background:linear-gradient(180deg,transparent 66%,rgba(255,180,0,.24) 66%);
}
.hero-lead{
  margin-top:18px;
  color:rgba(255,255,255,.76);
  font-size:15.5px;
  line-height:1.95;
  max-width:660px;
}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-points li{
  font-size:13.5px;
  color:rgba(255,255,255,.9);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:6px 15px;
}
.cta-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:28px;
  padding-top:22px;
  border-top:1px dashed rgba(255,255,255,.18);
}
.cta-bar .cta-note{
  font-size:13px;
  color:rgba(255,255,255,.55);
  flex:1 1 180px;
  min-width:0;
}
.bento-side{display:grid;grid-template-rows:1fr 1fr;gap:22px}
.mini-card{
  background:linear-gradient(155deg,rgba(255,180,0,.16),rgba(255,255,255,.05));
  border:1px solid rgba(255,180,0,.28);
  border-radius:var(--radius-lg);
  padding:22px 22px 20px;
  box-shadow:0 18px 40px rgba(8,10,24,.28);
}
.mini-card h3{
  font-size:14px;
  letter-spacing:1px;
  color:var(--gold-2);
  margin-bottom:14px;
}
.stat-row{display:flex;align-items:baseline;gap:10px;margin-bottom:10px}
.stat-num{
  font-size:26px;
  font-weight:800;
  color:#fff;
  line-height:1;
}
.stat-label{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.6}
.mini-list li{
  position:relative;
  padding-left:16px;
  font-size:13.5px;
  color:rgba(255,255,255,.82);
  margin-bottom:9px;
  line-height:1.7;
}
.mini-list li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
}

/* ---------- Sections ---------- */
.page-section{padding:64px 0}
.page-section.is-surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.page-section.is-dark{
  position:relative;
  overflow:hidden;
  background:linear-gradient(158deg,var(--navy) 0%,var(--navy-2) 62%,#2b3364 100%);
  color:#fff;
  isolation:isolate;
}
.section-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  opacity:.24;
  z-index:-1;
}
.section-head{max-width:780px;margin-bottom:34px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.32);
  color:var(--gold-deep);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.6px;
}
.is-dark .section-kicker{color:var(--gold-2)}
.section-head h2{
  font-size:clamp(22px,2.4vw,30px);
  margin:14px 0 12px;
  color:var(--text);
}
.is-dark .section-head h2{color:#fff}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.9}
.is-dark .section-head p{color:rgba(255,255,255,.74)}

/* ---------- Grids & Cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.info-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.card-idx{
  display:inline-grid;place-items:center;
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#1a1a20;
  font-size:14px;font-weight:800;
  margin-bottom:14px;
}
.info-card h3{font-size:17.5px;margin-bottom:9px;color:var(--text)}
.info-card p{font-size:14.5px;color:var(--muted);line-height:1.9}
.tag{
  display:inline-block;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(26,31,61,.06);
  color:var(--navy-2);
  font-size:12px;
  font-weight:700;
  letter-spacing:.3px;
}
.tag-gold{background:rgba(255,180,0,.16);color:#9a6a00}

/* ---------- Game cards ---------- */
.game-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;
  flex-direction:column;
  height:100%;
}
.game-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.game-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--navy-3)}
.game-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.game-card:hover .game-thumb img{transform:scale(1.05)}
.game-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.game-body h3{font-size:16.5px;color:var(--text)}
.game-body p{font-size:14px;color:var(--muted);line-height:1.85;flex:1}
.game-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}

/* ---------- Steps ---------- */
.flow{display:grid;gap:14px}
.flow-step{
  display:grid;
  grid-template-columns:52px 1fr;
  gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.flow-step:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.step-idx{
  width:44px;height:44px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#1a1a20;
  display:grid;place-items:center;
  font-size:16px;font-weight:800;
}
.flow-step h3{font-size:17px;margin-bottom:6px;color:var(--text)}
.flow-step p{font-size:14.5px;color:var(--muted);line-height:1.9}
.is-dark .flow-step{
  background:rgba(255,255,255,.07);
  border-color:rgba(255,255,255,.14);
  box-shadow:none;
}
.is-dark .flow-step h3{color:#fff}
.is-dark .flow-step p{color:rgba(255,255,255,.74)}

/* ---------- Compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  box-shadow:var(--shadow-sm);
}
.compare-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.compare-card.bad{border-left:5px solid #e07a63}
.compare-card.good{border-left:5px solid var(--gold)}
.compare-list li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.85;
  margin-bottom:12px;
}
.compare-list li:last-child{margin-bottom:0}
.compare-card.bad .compare-list li::before{
  content:"×";
  position:absolute;left:0;top:0;
  color:#d4604a;font-weight:800;
}
.compare-card.good .compare-list li::before{
  content:"✓";
  position:absolute;left:0;top:0;
  color:var(--gold-deep);font-weight:800;
}
.compare-card.good .compare-list li{color:var(--text)}

/* ---------- Review list ---------- */
.review-list{display:grid;gap:16px}
.review-item{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:20px;
  align-items:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 22px;
  box-shadow:var(--shadow-sm);
}
.review-item .review-label{
  font-size:13px;
  font-weight:800;
  color:var(--navy);
  background:rgba(255,180,0,.18);
  border-radius:8px;
  padding:6px 10px;
  text-align:center;
}
.review-item h3{font-size:16.5px;margin-bottom:7px}
.review-item p{font-size:14.5px;color:var(--muted);line-height:1.9}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:2px 22px;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow)}
.faq-item summary{
  cursor:pointer;
  font-weight:700;
  font-size:16px;
  padding:17px 0;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background:rgba(255,180,0,.18);
  color:var(--gold-deep);
  display:grid;place-items:center;
  font-size:15px;
  font-weight:800;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 18px;color:var(--muted);font-size:14.8px;line-height:1.92}

/* ---------- Lead ---------- */
.lead-wrap{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
}
.lead-copy h2{color:#fff;font-size:clamp(22px,2.5vw,30px);margin-bottom:14px}
.lead-copy p{color:rgba(255,255,255,.76);font-size:15.5px;line-height:1.95}
.lead-ticks{display:grid;gap:10px;margin-top:20px}
.lead-ticks li{
  position:relative;
  padding-left:26px;
  color:rgba(255,255,255,.86);
  font-size:14.5px;
}
.lead-ticks li::before{
  content:"✓";
  position:absolute;left:0;top:0;
  color:var(--gold);
  font-weight:800;
}
.lead-form{
  background:rgba(255,255,255,.97);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-lg);
}
.lead-form h3{font-size:18px;color:var(--navy);margin-bottom:6px}
.lead-form .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--navy);margin-bottom:6px}
.field input{
  width:100%;
  border:1px solid var(--line);
  border-radius:10px;
  padding:12px 14px;
  font-size:14.5px;
  color:var(--text);
  background:#fbfcff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#a2a8bf}
.field input:focus{
  outline:none;
  border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(255,180,0,.22);
  background:#fff;
}
.lead-form .btn{width:100%;margin-top:6px}
.form-note{margin-top:12px;font-size:13px;color:var(--muted);text-align:center;min-height:20px}
.form-note.ok{color:#1a7a4c;font-weight:700}

/* ---------- Sticky CTA ---------- */
.sticky-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:75;
  background:rgba(18,22,48,.96);
  border-top:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(10px);
  padding:12px 0;
  box-shadow:0 -10px 30px rgba(10,12,28,.35);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.sticky-text strong{color:#fff;font-size:15px;font-weight:800}
.sticky-text span{color:rgba(255,255,255,.6);font-size:12.5px}

/* ---------- Footer ---------- */
.site-footer{background:#141833;color:rgba(255,255,255,.7);padding:54px 0 26px}
.footer-top{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin-bottom:14px}
.footer-about{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.6);max-width:520px}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.4px}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  margin-top:38px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.45);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .bento{grid-template-columns:1fr}
  .bento-side{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .lead-wrap{grid-template-columns:1fr;gap:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .footer-top > div:first-child{grid-column:1 / -1}
}
@media (max-width:860px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;
    top:74px;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin-left:0;
    padding:14px 20px 18px;
    background:linear-gradient(180deg,#161a35,#1c2143);
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 18px 36px rgba(10,12,28,.45);
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 14px;border-radius:10px;font-size:15.5px}
  .header-actions{margin-left:auto}
  .brand-text{font-size:15.5px}
}
@media (max-width:768px){
  body{padding-bottom:80px}
  .page-section{padding:48px 0}
  .hero{padding:38px 0 46px}
  .bento-main{padding:24px 20px}
  .bento-side{grid-template-columns:1fr}
  .grid-3,.grid-2,.grid-4,.compare-grid{grid-template-columns:1fr}
  .flow-step{grid-template-columns:44px 1fr;gap:14px;padding:18px}
  .step-idx{width:38px;height:38px;font-size:15px}
  .review-item{grid-template-columns:1fr;gap:10px}
  .review-item .review-label{justify-self:start;text-align:left}
  .sticky-inner{flex-direction:row;align-items:center}
  .sticky-text strong{font-size:14px}
  .sticky-text span{display:none}
  .footer-top{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .header-inner{height:66px;gap:12px}
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px}
  .main-nav{top:66px}
  .header-actions .btn-sm{padding:8px 14px;font-size:13px}
  .hero h1{font-size:24px}
  .hero-lead{font-size:14.5px}
  .cta-bar .btn{width:100%}
  .cta-bar .cta-note{text-align:center;flex-basis:100%}
  .lead-form{padding:20px}
  .sticky-text strong{font-size:13px}
  .sticky-cta .btn{padding:10px 18px;font-size:14px}
}

/* roulang page: category2 */
:root{
 --navy:#1a1f3d;
 --navy-2:#232a52;
 --navy-3:#2d3565;
 --gold:#ffb400;
 --gold-2:#ffd25c;
 --gold-deep:#f08c00;
 --text:#20253f;
 --muted:#6c7391;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --line:#e4e7f2;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 4px 14px rgba(20,24,52,.06);
 --shadow:0 10px 30px rgba(20,24,52,.10);
 --shadow-lg:0 22px 54px rgba(20,24,52,.18);
 --container:1180px;
 --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--font);
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 padding-bottom:88px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
p{margin:0 0 12px}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;letter-spacing:-.2px}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,180,0,.75);outline-offset:2px}
.container{
 width:100%;
 max-width:var(--container);
 margin:0 auto;
 padding-left:20px;
 padding-right:20px;
}
/* ---------- Header ---------- */
.site-header{
 position:sticky;
 top:0;
 z-index:80;
 background:linear-gradient(180deg,#161a35 0%,#1a1f3d 100%);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 8px 26px rgba(12,15,32,.28);
}
.header-inner{
 display:flex;
 align-items:center;
 gap:22px;
 height:74px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
 width:38px;height:38px;border-radius:11px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 color:#141834;
 display:grid;place-items:center;
 font-size:18px;font-weight:800;
 box-shadow:0 6px 16px rgba(255,180,0,.32);
}
.brand-text{color:#fff;font-size:17px;font-weight:800;letter-spacing:.4px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 display:inline-block;
 padding:8px 15px;
 border-radius:999px;
 font-size:15px;
 color:rgba(255,255,255,.72);
 transition:color .2s ease,background .2s ease,transform .2s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.active{color:var(--gold);background:rgba(255,180,0,.14);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
 display:none;
 width:42px;height:42px;
 border-radius:11px;
 border:1px solid rgba(255,255,255,.18);
 background:rgba(255,255,255,.06);
 cursor:pointer;
 padding:0;
 align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;
 align-items:center;
 justify-content:center;
 gap:8px;
 border:none;
 border-radius:999px;
 font-size:15px;
 font-weight:700;
 padding:12px 26px;
 cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 line-height:1.2;
}
.btn-gold{
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
 color:#1a1a20;
 box-shadow:0 10px 24px rgba(255,180,0,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42);color:#1a1a20}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3)}
.btn-ghost{
 background:rgba(255,255,255,.06);
 color:#fff;
 border:1px solid rgba(255,255,255,.24);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);color:#fff}
.btn-dark{
 background:var(--navy);
 color:#fff;
 box-shadow:var(--shadow-sm);
}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px);color:#fff}
.btn-outline{
 background:#fff;
 color:var(--navy);
 border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
}
.btn-outline:hover{border-color:rgba(255,180,0,.65);color:var(--navy);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
/* ---------- Page hero ---------- */
.page-hero{
 position:relative;
 overflow:hidden;
 background:var(--navy);
 padding:56px 0 64px;
 isolation:isolate;
}
.page-hero-bg{
 position:absolute;inset:0;
 background-size:cover;
 background-position:center;
 opacity:.36;
 z-index:-2;
 transform:scale(1.04);
}
.page-hero::after{
 content:"";
 position:absolute;inset:0;
 background:
 radial-gradient(900px 420px at 8% 0%,rgba(255,180,0,.20),transparent 62%),
 linear-gradient(118deg,rgba(18,21,44,.96) 0%,rgba(26,31,61,.92) 54%,rgba(35,42,82,.80) 100%);
 z-index:-1;
}
.page-hero-grid{
 display:grid;
 grid-template-columns:1.1fr .9fr;
 gap:44px;
 align-items:center;
}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;
 border-radius:999px;
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.34);
 color:var(--gold-2);
 font-size:13px;
 font-weight:700;
 letter-spacing:.6px;
}
.page-hero h1{
 margin-top:20px;
 color:#fff;
 font-size:clamp(26px,3.3vw,40px);
 line-height:1.3;
}
.page-hero h1 em{
 font-style:normal;
 color:var(--gold);
 background:linear-gradient(180deg,transparent 66%,rgba(255,180,0,.24) 66%);
}
.hero-pain{
 margin-top:18px;
 padding-left:16px;
 border-left:3px solid var(--gold);
 color:rgba(255,255,255,.88);
 font-size:16px;
 font-weight:600;
}
.hero-lead{
 margin-top:16px;
 color:rgba(255,255,255,.72);
 font-size:15.5px;
 line-height:1.95;
 max-width:600px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{
 display:flex;flex-wrap:wrap;gap:26px;
 margin-top:28px;
 padding-top:22px;
 border-top:1px solid rgba(255,255,255,.12);
}
.hero-stats strong{display:block;color:var(--gold);font-size:24px;line-height:1.2}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.6)}
/* hero side panel */
.side-panel{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
 border-radius:18px;
 padding:22px;
 backdrop-filter:blur(8px);
 box-shadow:0 20px 48px rgba(10,13,30,.4);
}
.side-panel h2{
 font-size:16px;color:#fff;margin-bottom:4px;
}
.side-panel p.sub{font-size:13px;color:rgba(255,255,255,.56);margin:0 0 16px}
.tier-row{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:12px 14px;
 border-radius:12px;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.09);
 margin-bottom:10px;
 transition:background .2s ease,transform .2s ease;
}
.tier-row:hover{background:rgba(255,255,255,.12);transform:translateX(3px)}
.tier-row:last-child{margin-bottom:0}
.tier-name{color:#fff;font-size:14px;font-weight:700}
.tier-desc{display:block;font-size:12px;color:rgba(255,255,255,.55);font-weight:400}
.tier-tag{
 font-size:12px;font-weight:700;color:var(--gold);
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.3);
 padding:4px 11px;border-radius:999px;white-space:nowrap;
}
.side-cover{
 margin-top:16px;
 border-radius:12px;
 overflow:hidden;
 border:1px solid rgba(255,255,255,.12);
}
.side-cover img{width:100%;height:118px;object-fit:cover;opacity:.9}
/* ---------- Sections ---------- */
.section{padding:74px 0}
.section-alt{background:#eef0f8;padding:74px 0}
.section-dark{
 padding:74px 0;
 background:linear-gradient(140deg,#1a1f3d 0%,#232a52 100%);
 color:#fff;
}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
 display:inline-block;
 font-size:13px;
 font-weight:700;
 letter-spacing:1.4px;
 color:var(--gold-deep);
 text-transform:uppercase;
 margin-bottom:10px;
}
.section-dark .kicker{color:var(--gold)}
.section-title{font-size:clamp(22px,2.4vw,30px);color:var(--navy)}
.section-dark .section-title{color:#fff}
.section-desc{margin-top:12px;color:var(--muted);font-size:15.5px}
.section-dark .section-desc{color:rgba(255,255,255,.7)}
/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:26px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
 height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.card-num{
 width:40px;height:40px;
 border-radius:12px;
 display:grid;place-items:center;
 background:linear-gradient(135deg,rgba(255,210,92,.32),rgba(240,140,0,.22));
 color:var(--gold-deep);
 font-weight:800;font-size:16px;
 margin-bottom:16px;
}
.card h3{font-size:18px;color:var(--navy);margin-bottom:10px}
.card p{color:var(--muted);font-size:14.6px;margin:0}
.card-list{margin-top:14px}
.card-list li{
 position:relative;
 padding-left:18px;
 font-size:14px;
 color:var(--text);
 margin-bottom:7px;
}
.card-list li::before{
 content:"";
 position:absolute;left:0;top:9px;
 width:7px;height:7px;border-radius:50%;
 background:var(--gold);
}
/* route cards */
.route-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 overflow:hidden;
 box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease;
 height:100%;
 display:flex;flex-direction:column;
}
.route-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.route-thumb{position:relative;height:170px;overflow:hidden}
.route-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.route-card:hover .route-thumb img{transform:scale(1.06)}
.route-thumb::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(20,24,52,0) 40%,rgba(20,24,52,.72) 100%);
}
.route-badge{
 position:absolute;left:16px;bottom:14px;
 z-index:2;
 font-size:12px;font-weight:700;
 color:#141834;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
 padding:5px 13px;border-radius:999px;
}
.route-body{padding:22px;flex:1;display:flex;flex-direction:column}
.route-body h3{font-size:18px;color:var(--navy);margin-bottom:9px}
.route-body p{color:var(--muted);font-size:14.5px;margin-bottom:14px}
.route-meta{
 margin-top:auto;
 display:flex;flex-wrap:wrap;gap:8px;
}
.chip{
 font-size:12.5px;
 padding:5px 12px;
 border-radius:999px;
 background:#f2f4fc;
 color:var(--navy-3);
 border:1px solid var(--line);
}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
 position:relative;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.12);
 border-radius:var(--radius);
 padding:24px 20px;
 transition:background .22s ease,transform .22s ease;
}
.step:hover{background:rgba(255,255,255,.11);transform:translateY(-4px)}
.step-index{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 color:#141834;font-weight:800;font-size:15px;
 margin-bottom:14px;
}
.step h3{color:#fff;font-size:17px;margin-bottom:8px}
.step p{color:rgba(255,255,255,.66);font-size:14px;margin:0}
/* data blocks */
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.data-block{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:24px 22px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease;
}
.data-block:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.data-block strong{
 display:block;
 font-size:26px;
 color:var(--navy);
 letter-spacing:-.5px;
 line-height:1.25;
}
.data-block strong span{font-size:14px;color:var(--muted);font-weight:600;margin-left:4px}
.data-block p{margin:8px 0 0;font-size:13.6px;color:var(--muted)}
/* compare */
.compare{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 overflow:hidden;
 box-shadow:var(--shadow-sm);
}
.compare-head{
 display:grid;grid-template-columns:1.4fr 1fr 1fr;
 background:var(--navy);
 color:#fff;
 font-size:14px;
 font-weight:700;
}
.compare-head div{padding:15px 20px}
.compare-row{
 display:grid;grid-template-columns:1.4fr 1fr 1fr;
 border-top:1px solid var(--line);
 font-size:14.4px;
 align-items:center;
 transition:background .2s ease;
}
.compare-row:hover{background:#f8f9fe}
.compare-row > div{padding:16px 20px}
.compare-row .scene{color:var(--navy);font-weight:700}
.compare-row .bad{color:#b4453f}
.compare-row .good{color:#1f7a56;font-weight:600}
/* posts */
.post-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.post-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:22px 24px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
 display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.post-card h3{font-size:17px;color:var(--navy);margin-bottom:8px}
.post-card h3 a{transition:color .2s ease}
.post-card h3 a:hover{color:var(--gold-deep)}
.post-card p{font-size:14.2px;color:var(--muted);margin-bottom:14px}
.post-meta{
 margin-top:auto;
 display:flex;align-items:center;gap:10px;flex-wrap:wrap;
 font-size:12.5px;color:var(--muted);
}
.post-meta .tag{
 background:rgba(255,180,0,.14);
 color:var(--gold-deep);
 border:1px solid rgba(255,180,0,.32);
 border-radius:999px;
 padding:3px 11px;
 font-weight:700;
}
.empty-note{
 background:var(--surface);
 border:1px dashed var(--line);
 border-radius:var(--radius);
 padding:26px;
 text-align:center;
 color:var(--muted);
 font-size:14.5px;
}
/* faq */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:6px 22px;
 box-shadow:var(--shadow-sm);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
 cursor:pointer;
 list-style:none;
 padding:16px 0;
 font-size:16px;
 font-weight:700;
 color:var(--navy);
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";
 font-size:20px;
 color:var(--gold-deep);
 font-weight:700;
 line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-item p{color:var(--muted);font-size:14.6px;padding-bottom:18px;margin:0}
/* guarantees */
.guarantee{
 display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
 margin-top:34px;
}
.guarantee div{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);
 padding:20px;
 color:rgba(255,255,255,.78);
 font-size:14.2px;
}
.guarantee strong{display:block;color:#fff;font-size:16px;margin-bottom:6px}
/* lead */
.lead-wrap{
 display:grid;grid-template-columns:1.05fr .95fr;
 gap:36px;
 align-items:center;
}
.lead-copy h2{font-size:clamp(22px,2.4vw,30px);color:#fff}
.lead-copy p{color:rgba(255,255,255,.72);margin-top:14px;font-size:15.4px}
.lead-copy ul{margin-top:18px}
.lead-copy li{
 position:relative;
 padding-left:22px;
 color:rgba(255,255,255,.82);
 font-size:14.6px;
 margin-bottom:9px;
}
.lead-copy li::before{
 content:"";
 position:absolute;left:0;top:9px;
 width:8px;height:8px;border-radius:2px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
}
.lead-form{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 border-radius:18px;
 padding:26px;
 backdrop-filter:blur(6px);
}
.lead-form h3{color:#fff;font-size:18px;margin-bottom:6px}
.lead-form p.tip{color:rgba(255,255,255,.6);font-size:13.4px;margin-bottom:16px}
.lead-form label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:6px}
.lead-form input[type="text"],.lead-form select{
 width:100%;
 border-radius:10px;
 border:1px solid rgba(255,255,255,.2);
 background:rgba(255,255,255,.95);
 color:var(--navy);
 padding:12px 16px;
 font-size:15px;
 margin-bottom:14px;
 transition:box-shadow .2s ease,border-color .2s ease;
}
.lead-form input[type="text"]:focus,.lead-form select:focus{
 border-color:var(--gold);
 box-shadow:0 0 0 4px rgba(255,180,0,.22);
 outline:none;
}
.lead-form .btn{width:100%}
.form-note{margin-top:12px;font-size:13px;color:rgba(255,255,255,.58);min-height:20px}
.form-note.ok{color:var(--gold-2);font-weight:700}
/* sticky cta */
.sticky-cta{
 position:fixed;
 left:0;right:0;bottom:0;
 z-index:90;
 background:rgba(20,24,52,.94);
 border-top:1px solid rgba(255,255,255,.12);
 backdrop-filter:blur(10px);
 box-shadow:0 -8px 26px rgba(12,15,32,.3);
}
.sticky-inner{
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:16px;
 padding-top:14px;
 padding-bottom:14px;
}
.sticky-inner span{color:rgba(255,255,255,.82);font-size:14.4px}
/* ---------- Footer ---------- */
.site-footer{
 background:linear-gradient(180deg,#161a35 0%,#11152c 100%);
 color:rgba(255,255,255,.7);
 padding:58px 0 26px;
}
.footer-top{
 display:grid;
 grid-template-columns:1.6fr 1fr 1fr;
 gap:40px;
 padding-bottom:36px;
 border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:17px;letter-spacing:.3px}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin:0}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col li{margin-bottom:9px}
.footer-col a{
 font-size:14px;
 color:rgba(255,255,255,.62);
 transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--gold);padding-left:4px}
.footer-bottom{
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:14px;
 flex-wrap:wrap;
 padding-top:22px;
 font-size:13px;
 color:rgba(255,255,255,.45);
}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .page-hero-grid{grid-template-columns:1fr;gap:32px}
 .hero-lead{max-width:none}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .data-grid{grid-template-columns:repeat(2,1fr)}
 .post-list{grid-template-columns:1fr}
 .lead-wrap{grid-template-columns:1fr}
 .footer-top{grid-template-columns:1fr 1fr;gap:30px}
 .main-nav{gap:0}
 .nav-link{padding:8px 12px;font-size:14.4px}
}
@media (max-width:820px){
 .nav-toggle{display:flex}
 .main-nav{
  position:absolute;
  top:74px;left:0;right:0;
  flex-direction:column;
  align-items:stretch;
  gap:6px;
  padding:14px 20px 20px;
  background:#161a35;
  border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:0 18px 34px rgba(10,13,30,.4);
  display:none;
 }
 .main-nav.open{display:flex}
 .nav-link{border-radius:10px;padding:11px 14px;font-size:15px}
 .header-actions .btn-sm{display:none}
 .compare-head,.compare-row{grid-template-columns:1.2fr 1fr 1fr;font-size:13.2px}
 .compare-head div,.compare-row > div{padding:12px 12px}
 .guarantee{grid-template-columns:1fr}
}
@media (max-width:520px){
 .section,.section-alt,.section-dark{padding:52px 0}
 .page-hero{padding:42px 0 50px}
 .grid-3,.grid-2,.steps,.data-grid{grid-template-columns:1fr}
 .hero-stats{gap:18px}
 .hero-stats strong{font-size:20px}
 .btn{width:100%}
 .hero-btns .btn{width:100%}
 .sticky-inner span{font-size:13px}
 .sticky-inner .btn{width:auto;padding:9px 16px}
 .footer-top{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .compare-head{display:none}
 .compare-row{grid-template-columns:1fr;gap:2px;padding:6px 0}
 .compare-row .scene{padding-bottom:2px}
 .brand-text{font-size:15px}
}

/* roulang page: category3 */
:root{
  --navy:#1a1f3d;
  --navy-2:#232a52;
  --navy-3:#2d3565;
  --gold:#ffb400;
  --gold-2:#ffd25c;
  --gold-deep:#f08c00;
  --text:#20253f;
  --muted:#6c7391;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --line:#e4e7f2;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 4px 14px rgba(20,24,52,.06);
  --shadow:0 10px 30px rgba(20,24,52,.10);
  --shadow-lg:0 22px 54px rgba(20,24,52,.18);
  --container:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  padding-bottom:88px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,#161a35 0%,#1a1f3d 100%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 26px rgba(12,15,32,.28);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:74px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#141834;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;
  box-shadow:0 6px 16px rgba(255,180,0,.32);
}
.brand-text{color:#fff;font-size:17px;font-weight:800;letter-spacing:.4px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;
  padding:8px 15px;
  border-radius:999px;
  font-size:15px;
  color:rgba(255,255,255,.72);
  transition:color .2s ease,background .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.active{color:var(--gold);background:rgba(255,180,0,.14);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:11px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  cursor:pointer;
  padding:0;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  padding:12px 26px;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  line-height:1.2;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#1a1a20;
  box-shadow:0 10px 24px rgba(255,180,0,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42);color:#1a1a20}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3)}
.btn-ghost{
  background:rgba(255,255,255,.06);
  color:#fff;
  border:1px solid rgba(255,255,255,.24);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);color:#fff}
.btn-dark{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm)}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px);color:#fff}
.btn-outline{
  background:#fff;
  color:var(--navy);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.btn-outline:hover{border-color:rgba(255,180,0,.65);color:var(--navy);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
/* ---------- Page Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--navy);
  padding:58px 0 68px;
  isolation:isolate;
  color:#fff;
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  opacity:.40;
  z-index:-2;
  transform:scale(1.04);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(900px 460px at 14% 4%,rgba(255,180,0,.20),transparent 62%),
    linear-gradient(120deg,rgba(18,21,44,.97) 0%,rgba(26,31,61,.91) 52%,rgba(35,42,82,.80) 100%);
  z-index:-1;
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:46px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.34);
  color:var(--gold-2);
  font-size:13px;
  font-weight:700;
  letter-spacing:.6px;
}
.hero-title{
  margin-top:20px;
  color:#fff;
  font-size:clamp(27px,3.4vw,42px);
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.2px;
}
.hero-title em{font-style:normal;color:var(--gold)}
.hero-pain{
  margin-top:18px;
  padding-left:16px;
  border-left:3px solid var(--gold);
  color:rgba(255,255,255,.88);
  font-size:16px;
  font-weight:600;
}
.hero-lead{
  margin-top:16px;
  color:rgba(255,255,255,.72);
  font-size:15.5px;
  line-height:1.95;
  max-width:600px;
}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-points li{
  font-size:13.5px;
  color:rgba(255,255,255,.9);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:6px 15px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
/* ---------- Hero Tier Panel ---------- */
.tier-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);
  padding:22px;
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow-lg);
}
.tier-panel-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-bottom:16px;
}
.tier-panel-head h2{font-size:15px;font-weight:800;color:#fff;letter-spacing:.4px}
.tier-panel-head span{font-size:12.5px;color:rgba(255,255,255,.55)}
.tier{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 16px;
  border-radius:12px;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.10);
  margin-bottom:10px;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.tier:last-of-type{margin-bottom:0}
.tier:hover{transform:translateX(3px);border-color:rgba(255,180,0,.4)}
.tier.featured{
  background:linear-gradient(135deg,rgba(255,210,92,.20),rgba(255,180,0,.08));
  border-color:rgba(255,180,0,.58);
  box-shadow:0 14px 30px rgba(255,180,0,.16);
}
.tier-name{font-size:15px;font-weight:800;color:#fff;display:flex;align-items:center;gap:8px}
.tier-desc{font-size:12.5px;color:rgba(255,255,255,.60);margin-top:3px}
.tier-value{font-size:15px;font-weight:800;color:var(--gold-2);white-space:nowrap}
.tag-recommend{
  font-size:11px;font-weight:800;color:#1a1a20;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  border-radius:999px;padding:2px 9px;letter-spacing:.4px;
}
.tier-panel .btn{width:100%;margin-top:16px}
/* ---------- Sections ---------- */
.section{padding:70px 0}
.section-tight{padding:52px 0}
.section-alt{background:#fff}
.section-dark{
  background:linear-gradient(150deg,#1a1f3d 0%,#262e5c 100%);
  color:#fff;
}
.section-head{max-width:800px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-block;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:1.4px;
  color:var(--gold-deep);
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-title{
  font-size:clamp(23px,2.6vw,32px);
  line-height:1.35;
  font-weight:800;
  letter-spacing:-.2px;
}
.section-sub{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:760px}
.section-dark .section-title{color:#fff}
.section-dark .section-sub{color:rgba(255,255,255,.68)}
.section-dark .kicker{color:var(--gold-2)}
/* ---------- Cards ---------- */
.card-soft{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:24px;
  height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-soft:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.card-media{
  border-radius:10px;
  overflow:hidden;
  margin-bottom:16px;
  aspect-ratio:16/10;
  background:#eceefa;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card-soft:hover .card-media img{transform:scale(1.06)}
.card-soft h3{font-size:18px;font-weight:800;margin-bottom:8px;line-height:1.5}
.card-soft p{color:var(--muted);font-size:14.5px}
.badge-soft{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(255,180,0,.14);
  color:var(--gold-deep);
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.4px;
  margin-bottom:10px;
}
.mini-list{margin-top:14px;display:grid;gap:7px}
.mini-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text)}
.mini-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--gold);
}
/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:#eceefa}
.split-media img{width:100%;height:100%;object-fit:cover}
.feature-list{display:grid;gap:16px;margin-top:24px}
.feature-list li{
  display:grid;grid-template-columns:34px 1fr;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.feature-no{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,180,0,.14);color:var(--gold-deep);font-weight:800;font-size:14px;
}
.feature-list strong{display:block;font-size:15.5px;margin-bottom:3px}
.feature-list span{color:var(--muted);font-size:14px}
/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.step-no{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;color:#1a1a20;font-size:15px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  margin-bottom:14px;
}
.step h3{font-size:16.5px;font-weight:800;margin-bottom:7px}
.step p{color:var(--muted);font-size:14px}
/* ---------- Compare Table ---------- */
.compare-wrap{
  overflow-x:auto;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow-sm);
}
table.compare{width:100%;border-collapse:collapse;min-width:760px}
.compare th,.compare td{padding:16px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:top}
.compare thead th{background:var(--navy);color:#fff;font-weight:700;font-size:14px;letter-spacing:.3px}
.compare thead th.hl{background:linear-gradient(135deg,#2c3568,#1a1f3d);color:var(--gold-2)}
.compare tbody tr:last-child td{border-bottom:0}
.compare td:first-child{font-weight:800;color:var(--navy);white-space:nowrap}
.compare tbody tr:hover{background:#fafbff}
.compare td.hl{background:rgba(255,180,0,.06)}
/* ---------- Stats & Quotes ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:26px}
.stat{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:22px;text-align:center;
}
.stat strong{display:block;font-size:30px;color:var(--gold);font-weight:800;line-height:1.25}
.stat span{font-size:13.5px;color:rgba(255,255,255,.70)}
.quote{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-left:3px solid var(--gold);
  border-radius:12px;
  padding:20px 22px;
  color:rgba(255,255,255,.88);
  font-size:14.5px;
  height:100%;
}
.quote cite{display:block;margin-top:12px;font-style:normal;font-size:13px;color:rgba(255,255,255,.55)}
/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.news-tag{font-size:12px;font-weight:800;color:var(--gold-deep);letter-spacing:.7px}
.news-card h3{font-size:16.5px;margin:10px 0 8px;font-weight:800;line-height:1.55}
.news-card p{
  font-size:14px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card time{display:block;margin-top:14px;font-size:12.5px;color:#9aa0b8}
.cms-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:34px;text-align:center;color:var(--muted);font-size:14.5px;
}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 22px;
  font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color .2s ease;
}
.faq-item summary:hover{color:var(--navy-3)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:800;color:var(--gold-deep);line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.8px;line-height:1.9}
/* ---------- Lead Band ---------- */
.lead-band{
  background:linear-gradient(135deg,#1a1f3d 0%,#2b3466 100%);
  border-radius:var(--radius-lg);
  padding:42px;
  color:#fff;
  box-shadow:var(--shadow-lg);
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:36px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.lead-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.28),transparent 70%);
}
.lead-band h2{font-size:clamp(22px,2.5vw,30px);font-weight:800;line-height:1.4;position:relative}
.lead-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;position:relative}
.assure{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;position:relative}
.assure li{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.88);
}
.lead-form{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px;
  padding:20px;
  position:relative;
}
.lead-form input{
  width:100%;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.2);
  background:#fff;
  padding:12px 20px;
  font-size:15px;
  color:var(--navy);
}
.lead-form input::placeholder{color:#8a90ab}
.lead-form .btn{width:100%;margin-top:12px}
.form-note{margin-top:10px;font-size:12.8px;color:rgba(255,255,255,.6)}
.form-note.ok{color:var(--gold-2)}
/* ---------- Sticky CTA ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(20,24,45,.96);
  backdrop-filter:blur(10px);
  border-top:1px solid rgba(255,255,255,.12);
  padding:12px 0;
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-inner p{margin:0;color:rgba(255,255,255,.80);font-size:14px}
.sticky-inner strong{color:var(--gold-2);font-weight:800}
/* ---------- Footer ---------- */
.site-footer{background:#141834;color:rgba(255,255,255,.72);padding:56px 0 26px;margin-top:0}
.footer-top{
  display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:40px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:16.5px;letter-spacing:.3px}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:440px}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:14px;font-weight:800;letter-spacing:.3px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding-top:20px;font-size:13px;color:rgba(255,255,255,.45);
}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .split{grid-template-columns:1fr;gap:30px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .lead-band{grid-template-columns:1fr;padding:32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:58px 0}
}
@media (max-width:880px){
  .nav-toggle{display:flex}
  .header-actions .btn-gold{display:none}
  .main-nav{
    display:none;
    position:absolute;
    top:100%;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    margin-left:0;
    padding:14px 20px 20px;
    background:#161a35;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 18px 30px rgba(10,13,28,.45);
  }
  .main-nav.open{display:flex}
  .nav-link{padding:11px 14px;border-radius:10px;font-size:15px}
  .header-inner{height:66px}
  .brand-text{font-size:15.5px}
}
@media (max-width:768px){
  .stats{grid-template-columns:1fr}
  .hero-title{font-size:26px}
  .section{padding:48px 0}
  .lead-band{padding:26px;border-radius:16px}
  .footer-top{grid-template-columns:1fr;gap:26px}
}
@media (max-width:560px){
  body{padding-bottom:96px}
  .container{padding-left:16px;padding-right:16px}
  .steps{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .tier{flex-direction:column;align-items:flex-start;gap:6px}
  .tier-value{font-size:14px}
  .sticky-inner{flex-direction:column;align-items:stretch;gap:10px;text-align:center}
  .sticky-inner .btn{width:100%}
  .faq-item summary{font-size:15px;padding:16px 18px}
  .faq-body{padding:0 18px 18px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}