/* roulang page: index */
:root{
  --bg:#f5f7f7;
  --surface:#ffffff;
  --ink:#0f2230;
  --ink-soft:#3c515f;
  --muted:#6b7c88;
  --brand:#12655f;
  --brand-deep:#0a4944;
  --brand-tint:#e8f2f1;
  --accent:#e0a336;
  --accent-deep:#c98d1f;
  --accent-tint:#fdf3e0;
  --line:#e2e9ea;
  --line-strong:#cfe4e1;
  --radius:14px;
  --radius-sm:10px;
  --radius-xs:8px;
  --shadow-sm:0 1px 2px rgba(15,34,48,.05),0 6px 16px rgba(15,34,48,.05);
  --shadow-md:0 12px 30px rgba(15,34,48,.12);
  --container:1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:15.5px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 14px;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:.2px;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(18,101,95,.45);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,34,48,.09);}
.nav-wrap{
  position:relative;
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:22px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.4px;white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;display:grid;place-items:center;font-size:17px;
  box-shadow:0 6px 14px rgba(18,101,95,.28);
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--radius-xs);
  font-size:15px;font-weight:500;color:var(--ink-soft);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-links a:hover{background:var(--brand-tint);color:var(--brand);transform:translateY(-1px);}
.nav-links a.active{background:var(--brand-tint);color:var(--brand);font-weight:700;}
.nav-right{display:flex;align-items:center;gap:12px;}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#231a08;
  font-weight:700;font-size:14.5px;
  padding:10px 18px;border-radius:var(--radius-xs);border:1px solid transparent;
  box-shadow:0 8px 18px rgba(224,163,54,.30);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  white-space:nowrap;
}
.btn-cta:hover{background:var(--accent-deep);color:#231a08;transform:translateY(-2px);box-shadow:0 12px 24px rgba(224,163,54,.36);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-xs);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-tint);border-color:var(--line-strong);}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--brand);color:#fff;border:1px solid transparent;
  padding:13px 28px;border-radius:var(--radius-xs);
  font-weight:600;font-size:15px;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(10,73,68,.26);}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:transparent;color:var(--brand);border:1px solid var(--line-strong);
  padding:12px 26px;border-radius:var(--radius-xs);
  font-weight:600;font-size:15px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line:hover{background:var(--brand-tint);border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-line-light{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.42);
  padding:12px 26px;border-radius:var(--radius-xs);
  font-weight:600;font-size:15px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line-light:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;transform:translateY(-2px);}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(150deg,#0c3a36 0%,#0a2b29 55%,#0d2f35 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.20;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,163,54,.26) 0%,rgba(224,163,54,0) 68%);
}
.hero-inner{position:relative;z-index:2;padding:76px 0 82px;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.4px;
  color:#f4d79b;background:rgba(224,163,54,.16);
  border:1px solid rgba(224,163,54,.38);
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4vw,44px);
  line-height:1.26;letter-spacing:.5px;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:#f3c86d;}
.hero-lead{
  font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.86);
  max-width:610px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:rgba(255,255,255,.84);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  padding:6px 13px;border-radius:999px;
}
.hero-feature{
  background:rgba(255,255,255,.97);color:var(--ink);
  border-radius:16px;overflow:hidden;
  box-shadow:0 24px 50px rgba(0,0,0,.28);
}
.hero-feature__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0d3a36;}
.hero-feature__media img{width:100%;height:100%;object-fit:cover;}
.hero-feature__badge{
  position:absolute;left:14px;top:14px;
  background:var(--accent);color:#231a08;font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:999px;
}
.hero-feature__body{padding:22px 24px 24px;}
.hero-feature__body h2{font-size:18px;margin-bottom:10px;}
.hero-feature__body p{font-size:14px;color:var(--ink-soft);line-height:1.75;margin-bottom:14px;}
.feature-points li{
  display:flex;align-items:flex-start;gap:9px;
  font-size:13.5px;color:var(--ink-soft);padding:5px 0;
}
.feature-points i{color:var(--brand);font-size:15px;line-height:1.6;}

/* ---------- sections ---------- */
.section{padding:72px 0;}
.section--white{background:var(--surface);}
.section--tint{background:linear-gradient(180deg,#eef5f4 0%,#f5f7f7 100%);}
.section--dark{position:relative;color:#fff;background:linear-gradient(140deg,#0b3a36 0%,#0a2b2c 100%);overflow:hidden;}
.section--dark::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.16;}
.section--dark > .container{position:relative;z-index:2;}
.section-head{margin-bottom:38px;max-width:760px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--brand);
}
.section-kicker::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
.section--dark .section-kicker{color:#f3c86d;}
.section--dark .section-kicker::before{background:#f3c86d;}
.section-title{font-size:clamp(22px,2.5vw,30px);margin:12px 0 12px;}
.section-desc{color:var(--muted);font-size:15px;line-height:1.8;margin:0;}
.section--dark .section-desc{color:rgba(255,255,255,.82);}

/* ---------- cards ---------- */
.card-soft{
  height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.icon-badge{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--brand-tint);color:var(--brand);
  font-size:20px;margin-bottom:16px;
}
.icon-badge--gold{background:var(--accent-tint);color:var(--accent-deep);}
.card-soft h3{font-size:16.5px;margin-bottom:8px;}
.card-soft p{font-size:14px;color:var(--ink-soft);line-height:1.75;margin:0;}

/* ---------- pain list ---------- */
.pain-card{
  height:100%;background:var(--surface);
  border:1px solid var(--line);border-left:3px solid #d8b26a;
  border-radius:var(--radius-sm);padding:22px 22px 20px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pain-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-left-color:var(--brand);}
.pain-card .pain-no{font-size:13px;font-weight:800;color:var(--accent-deep);letter-spacing:1px;}
.pain-card h3{font-size:16px;margin:8px 0 8px;}
.pain-card p{font-size:13.8px;color:var(--muted);margin:0;line-height:1.75;}

/* ---------- steps ---------- */
.step-item{
  position:relative;height:100%;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;font-weight:800;font-size:16px;margin-bottom:16px;
}
.step-item h3{font-size:16.5px;margin-bottom:8px;}
.step-item p{font-size:14px;color:var(--ink-soft);margin:0;line-height:1.75;}

/* ---------- time slots ---------- */
.slot-card{
  height:100%;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius);padding:22px;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.slot-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.14);border-color:rgba(243,200,109,.55);}
.slot-time{font-size:20px;font-weight:800;color:#f3c86d;letter-spacing:.5px;}
.slot-card h3{font-size:15.5px;margin:10px 0 8px;color:#fff;}
.slot-card p{font-size:13.5px;color:rgba(255,255,255,.76);margin:0;line-height:1.7;}
.slot-meta{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:12.5px;color:#f3c86d;
  border:1px solid rgba(243,200,109,.42);border-radius:999px;padding:3px 11px;
}

/* ---------- team ---------- */
.team-card{
  height:100%;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,border-color .2s ease;
}
.team-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.team-card__media{aspect-ratio:4/3;overflow:hidden;background:#e8f2f1;}
.team-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.team-card:hover .team-card__media img{transform:scale(1.05);}
.team-card__body{padding:18px 20px 20px;}
.team-card__body h3{font-size:16px;margin-bottom:4px;}
.team-card__role{font-size:12.8px;color:var(--accent-deep);font-weight:700;margin-bottom:10px;}
.team-card__body p{font-size:13.6px;color:var(--ink-soft);margin:0;line-height:1.7;}

/* ---------- stats ---------- */
.stat-box{
  text-align:center;padding:26px 18px;height:100%;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);
  transition:background .2s ease,transform .2s ease;
}
.stat-box:hover{background:rgba(255,255,255,.13);transform:translateY(-3px);}
.stat-num{font-size:clamp(26px,3vw,34px);font-weight:800;color:#f3c86d;line-height:1.1;letter-spacing:.5px;}
.stat-label{font-size:13.5px;color:rgba(255,255,255,.80);margin-top:8px;}

/* ---------- reviews ---------- */
.review-card{
  height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.review-stars{color:var(--accent);font-size:14px;letter-spacing:2px;margin-bottom:12px;}
.review-card p{font-size:14px;color:var(--ink-soft);line-height:1.8;margin-bottom:16px;}
.review-user{display:flex;align-items:center;gap:10px;}
.review-avatar{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;font-size:14px;font-weight:700;
  background:var(--brand-tint);color:var(--brand);
}
.review-name{font-size:13.8px;font-weight:700;}
.review-tag{font-size:12.5px;color:var(--muted);}
.guard-strip{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;
}
.guard-item{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13.8px;color:var(--ink-soft);
  background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:9px 18px;
}
.guard-item i{color:var(--brand);font-size:15px;}

/* ---------- audience ---------- */
.audience-item{
  display:flex;align-items:flex-start;gap:14px;
  height:100%;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,border-color .2s ease;
}
.audience-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.audience-icon{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;background:var(--brand-tint);color:var(--brand);font-size:19px;
}
.audience-item h3{font-size:15.5px;margin-bottom:5px;}
.audience-item p{font-size:13.6px;color:var(--muted);margin:0;line-height:1.7;}

/* ---------- platform ---------- */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.platform-item{
  text-align:center;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 16px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.platform-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.platform-item i{font-size:26px;color:var(--brand);margin-bottom:12px;display:block;}
.platform-item h3{font-size:15.5px;margin-bottom:6px;}
.platform-item span{font-size:13px;color:var(--muted);}

/* ---------- channel wall ---------- */
.channel-card{
  display:block;height:100%;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  color:var(--ink);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);color:var(--ink);}
.channel-card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.channel-card__top i{font-size:22px;color:var(--brand);}
.channel-count{font-size:12.5px;color:var(--accent-deep);background:var(--accent-tint);border-radius:999px;padding:3px 12px;font-weight:700;}
.channel-card h3{font-size:17px;margin-bottom:8px;}
.channel-card p{font-size:13.8px;color:var(--ink-soft);margin:0 0 14px;line-height:1.7;}
.channel-more{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}

/* ---------- CMS list ---------- */
.post-row{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 24px;margin-bottom:16px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.post-row__meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.tag-pill{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:700;color:var(--brand);
  background:var(--brand-tint);border-radius:999px;padding:3px 12px;
}
.post-row__meta time{font-size:12.8px;color:var(--muted);}
.post-row h3{font-size:17px;margin-bottom:8px;}
.post-row h3 a{color:var(--ink);}
.post-row h3 a:hover{color:var(--brand);}
.post-row p{font-size:13.8px;color:var(--muted);margin:0;line-height:1.75;}
.side-panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);
}
.side-panel h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-panel h3 i{color:var(--accent-deep);}
.side-list li{padding:12px 0;border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{font-size:14px;color:var(--ink-soft);display:block;line-height:1.6;}
.side-list a:hover{color:var(--brand);}
.side-list time{font-size:12.5px;color:var(--muted);display:block;margin-top:4px;}
.cms-empty{
  background:var(--surface);border:1px dashed var(--line-strong);
  border-radius:var(--radius);padding:40px 24px;text-align:center;
  color:var(--muted);font-size:14.5px;
}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius)!important;margin-bottom:14px;overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.faq-acc .accordion-button{
  font-size:15.5px;font-weight:700;color:var(--ink);
  background:var(--surface);padding:20px 24px;box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){background:var(--brand-tint);color:var(--brand-deep);}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-acc .accordion-body{
  padding:4px 24px 22px;font-size:14.2px;color:var(--ink-soft);line-height:1.8;
}

/* ---------- final CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(130deg,#0b3a36 0%,#0a2b2c 60%,#123a41 100%);
}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat;opacity:.16;}
.cta-inner{position:relative;z-index:2;padding:64px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-inner p{font-size:14.5px;color:rgba(255,255,255,.82);margin:0;max-width:600px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- footer ---------- */
.site-footer{background:#0c222a;color:rgba(255,255,255,.72);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.10);}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#1a7f76,#0a4944);box-shadow:none;}
.footer-about{font-size:13.6px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.8px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:#f3c86d;}
.footer-bottom{padding:22px 0;font-size:13px;color:rgba(255,255,255,.50);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;}
.footer-bottom a{color:rgba(255,255,255,.62);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-inner{padding:60px 0 66px;}
  .platform-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-about{max-width:none;}
  .section{padding:60px 0;}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:absolute;top:64px;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 14px 28px rgba(15,34,48,.12);
    padding:12px 16px 18px;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;font-size:15px;}
  .btn-cta{padding:9px 14px;font-size:13.8px;}
}
@media (max-width:768px){
  body{font-size:15px;}
  .hero h1{font-size:28px;}
  .hero-lead{font-size:14.5px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:28px;}
  .card-soft,.pain-card,.step-item,.review-card,.side-panel{padding:20px;}
  .cta-inner{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .post-row{padding:18px 18px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand{font-size:17px;}
  .brand-mark{width:30px;height:30px;font-size:15px;}
  .hero-inner{padding:44px 0 50px;}
  .hero h1{font-size:24px;}
  .hero-actions .btn-main,.hero-actions .btn-line-light{width:100%;}
  .platform-grid{grid-template-columns:1fr;}
  .hero-feature__body{padding:18px;}
  .cta-actions{width:100%;}
  .cta-actions a{width:100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: article */
:root{
  --bg:#f5f7f7;
  --surface:#ffffff;
  --ink:#0f2230;
  --ink-soft:#3c515f;
  --muted:#6b7c88;
  --brand:#12655f;
  --brand-deep:#0a4944;
  --brand-tint:#e8f2f1;
  --accent:#e0a336;
  --accent-deep:#c98d1f;
  --accent-tint:#fdf3e0;
  --line:#e2e9ea;
  --line-strong:#cfe4e1;
  --radius:14px;
  --radius-sm:10px;
  --radius-xs:8px;
  --shadow-sm:0 1px 2px rgba(15,34,48,.05),0 6px 16px rgba(15,34,48,.05);
  --shadow-md:0 12px 30px rgba(15,34,48,.12);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:15.5px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:20px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,34,48,.09);}
.nav-wrap{position:relative;height:64px;display:flex;align-items:center;justify-content:space-between;gap:22px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.4px;white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;display:grid;place-items:center;font-size:17px;
  box-shadow:0 6px 14px rgba(18,101,95,.28);
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--radius-xs);
  font-size:15px;font-weight:500;color:var(--ink-soft);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-links a:hover{background:var(--brand-tint);color:var(--brand);transform:translateY(-1px);}
.nav-links a.active{background:var(--brand-tint);color:var(--brand);font-weight:700;}
.nav-right{display:flex;align-items:center;gap:12px;}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#231a08;
  font-weight:700;font-size:14.5px;
  padding:10px 18px;border-radius:var(--radius-xs);border:1px solid transparent;
  box-shadow:0 8px 18px rgba(224,163,54,.30);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  white-space:nowrap;
}
.btn-cta:hover{background:var(--accent-deep);color:#231a08;transform:translateY(-2px);box-shadow:0 12px 24px rgba(224,163,54,.36);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-xs);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-tint);border-color:var(--line-strong);}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--brand);color:#fff;border:1px solid transparent;
  padding:13px 28px;border-radius:var(--radius-xs);
  font-weight:600;font-size:15px;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(10,73,68,.26);}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:transparent;color:var(--brand);border:1px solid var(--line-strong);
  padding:12px 26px;border-radius:var(--radius-xs);
  font-weight:600;font-size:15px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line:hover{background:var(--brand-tint);border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-line-light{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.42);
  padding:12px 26px;border-radius:var(--radius-xs);
  font-weight:600;font-size:15px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line-light:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;transform:translateY(-2px);}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(150deg,#0c3a36 0%,#0a2b29 58%,#0d2f35 100%);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.18;
}
.article-hero::after{
  content:"";position:absolute;right:-140px;top:-180px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,163,54,.24) 0%,rgba(224,163,54,0) 70%);
}
.article-hero__inner{position:relative;z-index:2;padding:44px 0 58px;max-width:900px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:20px;}
.crumbs a{color:rgba(255,255,255,.82);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.5;}
.article-hero h1{
  font-size:clamp(25px,3.4vw,38px);
  line-height:1.34;letter-spacing:.4px;font-weight:800;color:#fff;
  margin-bottom:20px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13.5px;color:rgba(255,255,255,.78);}
.article-meta .meta-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  padding:5px 13px;border-radius:999px;
}
.article-meta .meta-cat{background:rgba(224,163,54,.20);border-color:rgba(224,163,54,.45);color:#f6d791;font-weight:700;}

/* ---------- section base ---------- */
.section{padding:66px 0;}
.section--tint{background:#eef3f3;}
.section--tight{padding:52px 0;}
.section-head{max-width:720px;margin-bottom:38px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--brand);background:var(--brand-tint);
  border:1px solid var(--line-strong);border-radius:999px;padding:5px 13px;margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(21px,2.6vw,28px);line-height:1.4;font-weight:800;color:var(--ink);
  position:relative;padding-left:16px;margin-bottom:12px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:5px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent) 0%,var(--accent-deep) 100%);
}
.section-head p{color:var(--muted);font-size:15px;line-height:1.8;}

/* ---------- article body ---------- */
.article-shell{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  padding:42px 48px;
  max-width:940px;margin:0 auto;
}
.article-body{font-size:16px;line-height:1.88;color:var(--ink-soft);}
.article-body h2{
  font-size:22px;line-height:1.5;color:var(--ink);font-weight:800;
  margin:38px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--accent);
}
.article-body h3{font-size:18px;color:var(--ink);font-weight:700;margin:28px 0 12px;}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0;}
.article-body p{margin:0 0 16px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body li{margin-bottom:8px;}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body img{border-radius:var(--radius-sm);margin:24px 0;box-shadow:var(--shadow-sm);}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--brand-tint);
  border-left:4px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-soft);
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--brand-tint);color:var(--brand-deep);font-weight:700;}
.article-body code{background:var(--accent-tint);color:var(--accent-deep);padding:2px 6px;border-radius:5px;font-size:14px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.empty-state{text-align:center;padding:30px 0;}
.empty-state i{font-size:34px;color:var(--muted);display:block;margin-bottom:14px;}
.empty-state p{color:var(--muted);margin-bottom:20px;font-size:16px;}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card-x{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.card-x__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-tint);}
.card-x__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card-x:hover .card-x__media img{transform:scale(1.04);}
.card-x__body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-x__body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.55;}
.card-x__body p{font-size:14.5px;color:var(--muted);line-height:1.78;margin:0;}
.card-tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12.5px;font-weight:700;color:var(--brand);
  background:var(--brand-tint);border:1px solid var(--line-strong);
  padding:4px 11px;border-radius:999px;
}
.card-list{margin:6px 0 0;padding:0;list-style:none;}
.card-list li{
  display:flex;gap:9px;font-size:14px;color:var(--ink-soft);
  padding:6px 0;border-top:1px dashed var(--line);
}
.card-list li:first-child{border-top:0;}
.card-list li i{color:var(--accent-deep);font-size:14px;margin-top:3px;flex:none;}

/* ---------- version compare ---------- */
.version-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 26px 28px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.version-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.version-card .v-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-tint);color:var(--brand);font-size:20px;margin-bottom:16px;
}
.version-card h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.version-card .v-sub{font-size:13px;color:var(--accent-deep);font-weight:700;letter-spacing:.6px;margin-bottom:12px;}
.version-card p{font-size:14.5px;color:var(--muted);line-height:1.78;margin-bottom:14px;}
.version-card .v-list{list-style:none;padding:0;margin:0;}
.version-card .v-list li{
  display:flex;gap:8px;align-items:flex-start;font-size:14px;color:var(--ink-soft);padding:5px 0;
}
.version-card .v-list li i{color:var(--brand);font-size:14px;margin-top:3px;flex:none;}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  box-shadow:var(--shadow-sm);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--brand);font-weight:400;
  transition:transform .2s ease;flex:none;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item[open] summary{color:var(--brand-deep);}
.faq-body{padding:0 24px 22px;font-size:14.8px;color:var(--ink-soft);line-height:1.85;}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;color:#fff;background:linear-gradient(140deg,#0a4944 0%,#0c3a36 60%,#123f45 100%);}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat;opacity:.16;
}
.cta-band__inner{position:relative;z-index:2;padding:58px 0;display:grid;grid-template-columns:1.4fr .6fr;gap:36px;align-items:center;}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;line-height:1.4;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;line-height:1.85;margin-bottom:0;max-width:640px;}
.cta-band .cta-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch;}
.cta-band .cta-actions .btn-cta{justify-content:center;padding:14px 22px;font-size:15px;}

/* ---------- footer ---------- */
.site-footer{background:#0d2030;color:rgba(255,255,255,.72);padding:58px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;
  color:#fff;margin-bottom:14px;
}
.footer-brand:hover{color:#fff;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:420px;}
.footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.6px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.70);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .article-shell{padding:34px 32px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .cta-band__inner{grid-template-columns:1fr;gap:28px;}
  .cta-band .cta-actions{flex-direction:row;flex-wrap:wrap;}
}
@media (max-width:991px){
  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 16px 30px rgba(15,34,48,.12);
    padding:12px 16px 18px;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:12px 14px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-col:first-child{grid-column:1 / -1;}
}
@media (max-width:768px){
  body{font-size:15px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .article-hero__inner{padding:34px 0 44px;}
  .article-shell{padding:26px 22px;border-radius:var(--radius-sm);}
  .article-body{font-size:15.5px;line-height:1.85;}
  .article-body h2{font-size:20px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .section-head{margin-bottom:28px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand{font-size:16.5px;gap:8px;}
  .brand-mark{width:30px;height:30px;font-size:15px;}
  .nav-right .btn-cta{display:none;}
  .article-meta{gap:8px;font-size:12.5px;}
  .cta-band .cta-actions{flex-direction:column;}
  .cta-band .cta-actions .btn-main,.cta-band .cta-actions .btn-line-light{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .btn-main,.btn-line,.btn-line-light{padding:12px 20px;font-size:14.5px;}
}

/* roulang page: category1 */
:root{
 --bg:#f5f7f7;
 --surface:#ffffff;
 --ink:#0f2230;
 --ink-soft:#3c515f;
 --muted:#6b7c88;
 --brand:#12655f;
 --brand-deep:#0a4944;
 --brand-tint:#e8f2f1;
 --accent:#e0a336;
 --accent-deep:#c98d1f;
 --accent-tint:#fdf3e0;
 --line:#e2e9ea;
 --line-strong:#cfe4e1;
 --radius:14px;
 --radius-sm:10px;
 --radius-xs:8px;
 --shadow-sm:0 1px 2px rgba(15,34,48,.05),0 6px 16px rgba(15,34,48,.05);
 --shadow-md:0 12px 30px rgba(15,34,48,.12);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:15.5px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.35;}
p{margin:0 0 12px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(18,101,95,.38);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.94);
 backdrop-filter:saturate(180%) blur(12px);
 -webkit-backdrop-filter:saturate(180%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,34,48,.09);}
.nav-wrap{position:relative;height:64px;display:flex;align-items:center;justify-content:space-between;gap:22px;}
.brand{
 display:inline-flex;align-items:center;gap:10px;
 font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.4px;white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
 width:34px;height:34px;border-radius:10px;
 background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
 color:#fff;display:grid;place-items:center;font-size:17px;
 box-shadow:0 6px 14px rgba(18,101,95,.28);
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
 display:inline-flex;align-items:center;
 padding:8px 14px;border-radius:var(--radius-xs);
 font-size:15px;font-weight:500;color:var(--ink-soft);
 transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-links a:hover{background:var(--brand-tint);color:var(--brand);transform:translateY(-1px);}
.nav-links a.active{background:var(--brand-tint);color:var(--brand);font-weight:700;}
.nav-right{display:flex;align-items:center;gap:12px;}
.btn-cta{
 display:inline-flex;align-items:center;gap:8px;
 background:var(--accent);color:#231a08;
 font-weight:700;font-size:14.5px;
 padding:10px 18px;border-radius:var(--radius-xs);border:1px solid transparent;
 box-shadow:0 8px 18px rgba(224,163,54,.30);
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
 white-space:nowrap;
}
.btn-cta:hover{background:var(--accent-deep);color:#231a08;transform:translateY(-2px);box-shadow:0 12px 24px rgba(224,163,54,.36);}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:42px;height:42px;border-radius:var(--radius-xs);
 border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;
 transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-tint);border-color:var(--line-strong);}

/* ---------- buttons ---------- */
.btn-main{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 background:var(--brand);color:#fff;border:1px solid transparent;
 padding:13px 28px;border-radius:var(--radius-xs);
 font-weight:600;font-size:15px;
 transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(10,73,68,.26);}
.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 background:transparent;color:var(--brand);border:1px solid var(--line-strong);
 padding:12px 26px;border-radius:var(--radius-xs);
 font-weight:600;font-size:15px;
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line:hover{background:var(--brand-tint);border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-line-light{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.42);
 padding:12px 26px;border-radius:var(--radius-xs);
 font-weight:600;font-size:15px;
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line-light:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;transform:translateY(-2px);}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(150deg,#0c3a36 0%,#0a2b29 58%,#0d2f35 100%);}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.22;}
.hero::after{
 content:"";position:absolute;right:-170px;top:-150px;width:520px;height:520px;border-radius:50%;
 background:radial-gradient(circle,rgba(224,163,54,.26) 0%,rgba(224,163,54,0) 68%);
}
.hero-inner{position:relative;z-index:2;padding:34px 0 68px;}
.hero-series{
 display:flex;align-items:center;gap:8px;flex-wrap:wrap;
 background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.20);
 border-radius:999px;padding:8px 12px;margin-bottom:38px;
 backdrop-filter:blur(6px);
}
.hero-series__label{
 display:inline-flex;align-items:center;gap:7px;
 font-size:13px;font-weight:700;color:#f4d79b;padding:0 10px 0 4px;
 border-right:1px solid rgba(255,255,255,.22);margin-right:4px;
}
.hero-series a{
 display:inline-flex;align-items:center;
 font-size:13.5px;color:rgba(255,255,255,.88);
 padding:5px 13px;border-radius:999px;
 transition:background .2s ease,color .2s ease;
}
.hero-series a:hover{background:rgba(255,255,255,.20);color:#fff;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.hero-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:1.2px;
 color:#f4d79b;background:rgba(224,163,54,.16);
 border:1px solid rgba(224,163,54,.38);
 padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{font-size:clamp(28px,3.6vw,42px);line-height:1.28;letter-spacing:.4px;margin-bottom:18px;color:#fff;}
.hero h1 em{font-style:normal;color:#f3c86d;}
.hero-lead{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.86);max-width:600px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
 display:inline-flex;align-items:center;gap:6px;
 font-size:13px;color:rgba(255,255,255,.84);
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
 padding:6px 13px;border-radius:999px;
}
.hero-panel{
 background:rgba(255,255,255,.97);color:var(--ink);
 border-radius:16px;overflow:hidden;box-shadow:0 24px 50px rgba(0,0,0,.28);
}
.hero-panel__media{aspect-ratio:16/10;overflow:hidden;}
.hero-panel__media img{width:100%;height:100%;object-fit:cover;}
.hero-panel__body{padding:20px 22px 22px;}
.hero-panel__body h3{font-size:16px;margin-bottom:14px;}
.hero-panel__row{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.hero-panel__row:last-child{border-bottom:0;padding-bottom:0;}
.hero-panel__row span{color:var(--muted);}
.hero-panel__row strong{color:var(--brand);font-weight:700;}

/* ---------- section ---------- */
.section{padding:76px 0;}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:var(--brand);
 background:var(--brand-tint);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:14px;height:2px;background:var(--accent);border-radius:2px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.section-head p{color:var(--ink-soft);font-size:15px;margin:0;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head--center .eyebrow{justify-content:center;}

/* ---------- cards ---------- */
.card-grid{display:grid;gap:22px;grid-template-columns:repeat(4,1fr);}
.card-grid--3{grid-template-columns:repeat(3,1fr);}
.info-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 height:100%;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.icon-badge{
 width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-tint);color:var(--brand);font-size:21px;margin-bottom:16px;
}
.icon-badge--accent{background:var(--accent-tint);color:var(--accent-deep);}
.info-card h3{font-size:16.5px;margin-bottom:10px;}
.info-card p{color:var(--ink-soft);font-size:14.5px;line-height:1.78;margin-bottom:14px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
 display:inline-flex;align-items:center;
 font-size:12.5px;color:var(--brand);background:var(--brand-tint);
 border-radius:999px;padding:4px 11px;
}
.tag--accent{color:var(--accent-deep);background:var(--accent-tint);}

/* ---------- device ---------- */
.device-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 display:flex;flex-direction:column;
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.device-card__media{aspect-ratio:16/9;overflow:hidden;}
.device-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.device-card:hover .device-card__media img{transform:scale(1.04);}
.device-card__body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column;}
.device-card__body h3{font-size:17px;margin-bottom:10px;}
.device-card__body p{color:var(--ink-soft);font-size:14.5px;margin-bottom:14px;}
.device-card__list{margin-bottom:16px;}
.device-card__list li{
 position:relative;padding-left:20px;font-size:14px;color:var(--ink-soft);line-height:1.75;
}
.device-card__list li::before{
 content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;
 background:var(--accent);
}
.device-card__foot{margin-top:auto;}

/* ---------- steps ---------- */
.steps{display:grid;gap:18px;counter-reset:step;}
.step-item{
 display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.step-num{
 width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
 color:#fff;font-size:18px;font-weight:800;letter-spacing:.5px;
 box-shadow:0 8px 18px rgba(18,101,95,.24);
}
.step-item h3{font-size:16.5px;margin-bottom:8px;}
.step-item p{color:var(--ink-soft);font-size:14.5px;margin:0;}

/* ---------- stats ---------- */
.stats-band{
 background:linear-gradient(140deg,#0c3a36 0%,#0a2b29 60%,#0d2f35 100%);
 border-radius:18px;padding:44px 36px;color:#fff;position:relative;overflow:hidden;
}
.stats-band::after{
 content:"";position:absolute;left:-120px;bottom:-160px;width:360px;height:360px;border-radius:50%;
 background:radial-gradient(circle,rgba(224,163,54,.22) 0%,rgba(224,163,54,0) 70%);
}
.stats-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.stat-item{text-align:left;}
.stat-item strong{display:block;font-size:32px;line-height:1.2;color:#f3c86d;font-weight:800;margin-bottom:6px;}
.stat-item span{font-size:14px;color:rgba(255,255,255,.82);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md);}
.faq-item summary{
 cursor:pointer;list-style:none;padding:18px 52px 18px 22px;position:relative;
 font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"\F4FE";font-family:"bootstrap-icons";position:absolute;right:20px;top:50%;
 transform:translateY(-50%);font-size:17px;color:var(--brand);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-item summary:hover{color:var(--brand);}
.faq-answer{padding:0 22px 20px;color:var(--ink-soft);font-size:14.5px;line-height:1.8;}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.post-card__link{display:block;padding:24px 24px 20px;color:inherit;}
.post-card__link:hover{color:inherit;}
.post-card__meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px;}
.post-card h3{font-size:16.5px;line-height:1.5;margin-bottom:10px;color:var(--ink);}
.post-card:hover h3{color:var(--brand);}
.post-card p{color:var(--ink-soft);font-size:14px;line-height:1.75;margin-bottom:16px;}
.post-card__more{
 display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand);
}
.empty-note{
 background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--radius-sm);
 padding:26px;color:var(--muted);font-size:14.5px;text-align:center;
}

/* ---------- cta ---------- */
.cta-band{
 background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
 border-radius:18px;padding:52px 44px;color:#fff;position:relative;overflow:hidden;
 display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
}
.cta-band::after{
 content:"";position:absolute;right:-90px;top:-110px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(224,163,54,.30) 0%,rgba(224,163,54,0) 70%);
}
.cta-band__copy{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.5vw,28px);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin:0;max-width:620px;}
.cta-band__actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-band .btn-main{background:var(--accent);color:#231a08;box-shadow:0 10px 24px rgba(224,163,54,.30);}
.cta-band .btn-main:hover{background:var(--accent-deep);color:#231a08;}

/* ---------- footer ---------- */
.site-footer{background:#0b2523;color:rgba(255,255,255,.78);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:38px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-brand:hover{color:#fff;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0;max-width:420px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col ul a:hover{color:#f3c86d;}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.12);
 padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
 font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:#f3c86d;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .nav-links a{padding:8px 10px;font-size:14px;}
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .hero-panel{max-width:560px;}
 .card-grid{grid-template-columns:repeat(2,1fr);}
 .card-grid--3{grid-template-columns:repeat(2,1fr);}
 .post-grid{grid-template-columns:repeat(2,1fr);}
 .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
 .cta-band{grid-template-columns:1fr;padding:44px 32px;}
 .cta-band__actions{justify-content:flex-start;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
 .nav-links{
  position:absolute;left:0;right:0;top:64px;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-md);padding:12px;display:none;
 }
 .nav-links.is-open{display:flex;}
 .nav-links a{padding:11px 14px;font-size:15px;}
 .nav-toggle{display:inline-flex;}
 .nav-right .btn-cta{display:none;}
 .hero-inner{padding:26px 0 56px;}
 .hero-series{border-radius:14px;padding:10px;margin-bottom:28px;}
 .section{padding:56px 0;}
 .step-item{grid-template-columns:52px 1fr;gap:16px;padding:20px;}
 .step-num{width:44px;height:44px;font-size:16px;}
}
@media (max-width:640px){
 .card-grid,.card-grid--3,.post-grid{grid-template-columns:1fr;}
 .stats-grid{grid-template-columns:1fr 1fr;}
 .hero-actions .btn-main,.hero-actions .btn-line-light{width:100%;}
 .hero-series__label{border-right:0;width:100%;padding-bottom:6px;}
 .stats-band{padding:32px 22px;}
 .stat-item strong{font-size:26px;}
 .footer-grid{grid-template-columns:1fr;}
 .footer-bottom{flex-direction:column;}
 .btn-main,.btn-line,.btn-line-light{min-height:44px;}
 .brand{font-size:17px;}
}

/* roulang page: category2 */
:root{
 --bg:#f5f7f7;
 --surface:#ffffff;
 --ink:#0f2230;
 --ink-soft:#3c515f;
 --muted:#6b7c88;
 --brand:#12655f;
 --brand-deep:#0a4944;
 --brand-tint:#e8f2f1;
 --accent:#e0a336;
 --accent-deep:#c98d1f;
 --accent-tint:#fdf3e0;
 --line:#e2e9ea;
 --line-strong:#cfe4e1;
 --radius:14px;
 --radius-sm:10px;
 --radius-xs:8px;
 --shadow-sm:0 1px 2px rgba(15,34,48,.05),0 6px 16px rgba(15,34,48,.05);
 --shadow-md:0 12px 30px rgba(15,34,48,.12);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:15.5px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.94);
 backdrop-filter:saturate(180%) blur(12px);
 -webkit-backdrop-filter:saturate(180%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,34,48,.09);}
.nav-wrap{position:relative;height:64px;display:flex;align-items:center;justify-content:space-between;gap:22px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.4px;white-space:nowrap;}
.brand:hover{color:var(--ink);}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 6px 14px rgba(18,101,95,.28);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{display:inline-flex;align-items:center;padding:8px 14px;border-radius:var(--radius-xs);font-size:15px;font-weight:500;color:var(--ink-soft);transition:background .2s ease,color .2s ease,transform .2s ease;}
.nav-links a:hover{background:var(--brand-tint);color:var(--brand);transform:translateY(-1px);}
.nav-links a.active{background:var(--brand-tint);color:var(--brand);font-weight:700;}
.nav-right{display:flex;align-items:center;gap:12px;}
.btn-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#231a08;font-weight:700;font-size:14.5px;padding:10px 18px;border-radius:var(--radius-xs);border:1px solid transparent;box-shadow:0 8px 18px rgba(224,163,54,.30);transition:transform .2s ease,box-shadow .2s ease,background .2s ease;white-space:nowrap;}
.btn-cta:hover{background:var(--accent-deep);color:#231a08;transform:translateY(-2px);box-shadow:0 12px 24px rgba(224,163,54,.36);}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--radius-xs);border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;transition:background .2s ease,border-color .2s ease;}
.nav-toggle:hover{background:var(--brand-tint);border-color:var(--line-strong);}
/* ---------- buttons ---------- */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--brand);color:#fff;border:1px solid transparent;padding:13px 28px;border-radius:var(--radius-xs);font-weight:600;font-size:15px;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;}
.btn-main:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(10,73,68,.26);}
.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:transparent;color:var(--brand);border:1px solid var(--line-strong);padding:12px 26px;border-radius:var(--radius-xs);font-weight:600;font-size:15px;transition:background .2s ease,border-color .2s ease,transform .2s ease;}
.btn-line:hover{background:var(--brand-tint);border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-line-light{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.42);padding:12px 26px;border-radius:var(--radius-xs);font-weight:600;font-size:15px;transition:background .2s ease,border-color .2s ease,transform .2s ease;}
.btn-line-light:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;transform:translateY(-2px);}
/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(150deg,#0c3a36 0%,#0a2b29 55%,#0d2f35 100%);}
.cat-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.20;}
.cat-hero::after{content:"";position:absolute;right:-160px;top:-140px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(224,163,54,.26) 0%,rgba(224,163,54,0) 68%);}
.cat-hero__inner{position:relative;z-index:2;padding:64px 0 72px;}
.cat-hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.70);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#f3c86d;}
.crumb i{font-size:11px;}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.2px;color:#f4d79b;background:rgba(224,163,54,.16);border:1px solid rgba(224,163,54,.38);padding:6px 14px;border-radius:999px;margin-bottom:20px;}
.cat-hero h1{font-size:clamp(28px,3.6vw,40px);line-height:1.28;letter-spacing:.4px;margin-bottom:16px;}
.cat-hero h1 em{font-style:normal;color:#f3c86d;}
.hero-lead{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.86);max-width:610px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,.86);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);padding:6px 13px;border-radius:999px;}
.hero-panel{background:rgba(255,255,255,.97);color:var(--ink);border-radius:16px;overflow:hidden;box-shadow:0 24px 50px rgba(0,0,0,.28);}
.hero-panel__media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.hero-panel__media img{width:100%;height:100%;object-fit:cover;}
.hero-panel__media span{position:absolute;left:14px;bottom:14px;background:rgba(10,73,68,.90);color:#fff;font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;letter-spacing:.5px;}
.hero-panel__body{padding:18px 20px 20px;}
.hero-panel__row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.hero-panel__row:last-child{border-bottom:0;}
.hp-key{color:var(--muted);}
.hp-val{font-weight:700;color:var(--brand-deep);}
/* ---------- sections ---------- */
.sec{padding:72px 0;position:relative;}
.sec-alt{background:#eef4f3;}
.sec-white{background:var(--surface);}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--brand);margin-bottom:12px;}
.sec-kicker::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--accent);}
.sec-head.center .sec-kicker::before{display:none;}
.sec-title{font-size:clamp(22px,2.6vw,29px);line-height:1.34;font-weight:800;letter-spacing:.3px;}
.sec-desc{margin-top:12px;color:var(--ink-soft);font-size:15px;line-height:1.82;}
/* ---------- generic card ---------- */
.card-lite{height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px 22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.card-lite:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.card-ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:20px;background:var(--brand-tint);color:var(--brand);margin-bottom:14px;}
.card-ico.gold{background:var(--accent-tint);color:var(--accent-deep);}
.card-lite h3{font-size:17px;font-weight:700;margin-bottom:8px;letter-spacing:.2px;}
.card-lite p{font-size:14.5px;color:var(--ink-soft);line-height:1.8;}
.card-tag{display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;color:var(--brand);background:var(--brand-tint);border-radius:999px;padding:4px 11px;margin-top:14px;}
/* ---------- type table-ish list ---------- */
.type-card{height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);padding:20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.type-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.type-card__top{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.type-card__no{width:30px;height:30px;flex:0 0 30px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:800;background:var(--brand);color:#fff;}
.type-card h3{font-size:16px;font-weight:700;}
.type-card p{font-size:14px;color:var(--ink-soft);line-height:1.78;}
.cards-sample{margin-top:10px;font-size:13px;color:var(--brand-deep);background:var(--brand-tint);border-radius:var(--radius-xs);padding:6px 10px;display:inline-block;letter-spacing:1px;font-weight:600;}
/* ---------- steps ---------- */
.step-card{position:relative;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.step-no{font-size:34px;font-weight:800;line-height:1;color:var(--brand-tint);letter-spacing:-1px;margin-bottom:12px;}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.8;}
.step-card ul{margin-top:12px;display:grid;gap:7px;}
.step-card li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-soft);}
.step-card li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--accent);}
/* ---------- stats band ---------- */
.sec-stats{position:relative;overflow:hidden;background:linear-gradient(140deg,#0b3b37 0%,#0a2b29 60%,#0d333a 100%);color:#fff;padding:70px 0;}
.sec-stats::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-4.webp') center/cover no-repeat;opacity:.16;}
.sec-stats .container{position:relative;z-index:2;}
.sec-stats .sec-title{color:#fff;}
.sec-stats .sec-desc{color:rgba(255,255,255,.82);}
.sec-stats .sec-kicker{color:#f4d79b;}
.stat-card{height:100%;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:22px 20px;transition:background .2s ease,transform .2s ease;}
.stat-card:hover{background:rgba(255,255,255,.13);transform:translateY(-3px);}
.stat-num{font-size:32px;font-weight:800;color:#f3c86d;line-height:1.1;letter-spacing:-.5px;}
.stat-label{font-size:14px;color:rgba(255,255,255,.90);margin-top:6px;font-weight:600;}
.stat-note{font-size:13px;color:rgba(255,255,255,.70);margin-top:6px;line-height:1.7;}
.memo-list{display:grid;gap:12px;margin-top:8px;}
.memo-list li{display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-sm);padding:14px 16px;font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.75;}
.memo-list i{color:#f3c86d;font-size:17px;margin-top:3px;}
/* ---------- myth ---------- */
.myth-card{height:100%;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;}
.myth-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.myth-wrong{display:flex;gap:9px;font-size:14.5px;font-weight:700;color:#a8492f;margin-bottom:10px;}
.myth-right{display:flex;gap:9px;font-size:14.5px;color:var(--ink-soft);line-height:1.8;}
.myth-wrong i{color:#c2603f;margin-top:3px;}
.myth-right i{color:var(--brand);margin-top:3px;}
/* ---------- scene ---------- */
.scene-card{height:100%;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,border-color .2s ease;}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.scene-card__media{aspect-ratio:16/9;overflow:hidden;}
.scene-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.scene-card:hover .scene-card__media img{transform:scale(1.04);}
.scene-card__body{padding:18px 20px 20px;}
.scene-card__body h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.scene-card__body p{font-size:14px;color:var(--ink-soft);line-height:1.78;}
/* ---------- posts ---------- */
.post-card{display:block;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:var(--ink);}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);color:var(--ink);}
.post-tag{display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;color:var(--brand);background:var(--brand-tint);border-radius:999px;padding:4px 11px;margin-bottom:12px;}
.post-card h3{font-size:16.5px;font-weight:700;line-height:1.55;margin-bottom:9px;}
.post-card p{font-size:14px;color:var(--ink-soft);line-height:1.78;margin-bottom:14px;}
.post-date{font-size:12.5px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;}
.empty-note{background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--radius);padding:28px;text-align:center;color:var(--muted);font-size:14.5px;}
/* ---------- faq ---------- */
.faq-wrap{display:grid;gap:12px;max-width:900px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md);}
.faq-item summary{list-style:none;cursor:pointer;padding:17px 20px;font-size:15.5px;font-weight:700;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:14px;transition:background .2s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--brand-tint);}
.faq-item summary i{color:var(--brand);font-size:16px;transition:transform .25s ease;flex:0 0 auto;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--ink-soft);line-height:1.85;}
/* ---------- cta ---------- */
.cta-band{background:linear-gradient(135deg,#0a4944 0%,#12655f 100%);color:#fff;padding:56px 0;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(224,163,54,.22) 0%,rgba(224,163,54,0) 70%);}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(21px,2.4vw,27px);font-weight:800;margin-bottom:10px;letter-spacing:.3px;}
.cta-inner p{font-size:14.5px;color:rgba(255,255,255,.84);max-width:620px;line-height:1.82;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
/* ---------- footer ---------- */
.site-footer{background:#0c1f2b;color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-brand:hover{color:#fff;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:420px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.70);}
.footer-col a:hover{color:#f3c86d;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:22px 0 26px;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#f3c86d;}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .cat-hero__grid{grid-template-columns:1fr;gap:34px;}
 .hero-panel{max-width:560px;}
 .sec{padding:58px 0;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .footer-grid .footer-col:first-child{grid-column:1 / -1;}
}
@media (max-width:992px){
 .nav-toggle{display:inline-flex;}
 .nav-links{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);padding:10px 16px 16px;display:none;}
 .nav-links.open{display:flex;}
 .nav-links a{padding:12px 14px;font-size:15px;}
 .nav-links a:hover{transform:none;}
 .btn-cta{padding:9px 14px;font-size:13.5px;}
}
@media (max-width:768px){
 .cat-hero__inner{padding:48px 0 56px;}
 .hero-actions .btn-main,.hero-actions .btn-line-light{padding:12px 20px;font-size:14.5px;}
 .sec{padding:52px 0;}
 .sec-head{margin-bottom:28px;}
 .cta-inner{flex-direction:column;align-items:flex-start;}
 .stat-num{font-size:28px;}
 .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
 body{font-size:15px;}
 .brand{font-size:16.5px;gap:8px;}
 .brand-mark{width:30px;height:30px;font-size:15px;}
 .nav-wrap{gap:10px;}
 .btn-cta span{display:none;}
 .cat-hero h1{font-size:26px;}
 .hero-lead{font-size:14.5px;}
 .hero-tags span{font-size:12px;padding:5px 11px;}
 .card-lite,.step-card,.type-card{padding:18px;}
 .step-no{font-size:28px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category3 */
:root{
 --bg:#f5f7f7;
 --surface:#ffffff;
 --ink:#0f2230;
 --ink-soft:#3c515f;
 --muted:#6b7c88;
 --brand:#12655f;
 --brand-deep:#0a4944;
 --brand-tint:#e8f2f1;
 --accent:#e0a336;
 --accent-deep:#c98d1f;
 --accent-tint:#fdf3e0;
 --line:#e2e9ea;
 --line-strong:#cfe4e1;
 --radius:14px;
 --radius-sm:10px;
 --radius-xs:8px;
 --shadow-sm:0 1px 2px rgba(15,34,48,.05),0 6px 16px rgba(15,34,48,.05);
 --shadow-md:0 12px 30px rgba(15,34,48,.12);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:15.5px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
:focus-visible{outline:3px solid rgba(224,163,54,.65);outline-offset:2px;border-radius:6px;}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.94);
 backdrop-filter:saturate(180%) blur(12px);
 -webkit-backdrop-filter:saturate(180%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,34,48,.09);}
.nav-wrap{
 position:relative;
 height:64px;display:flex;align-items:center;justify-content:space-between;gap:22px;
}
.brand{
 display:inline-flex;align-items:center;gap:10px;
 font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.4px;white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
 width:34px;height:34px;border-radius:10px;
 background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
 color:#fff;display:grid;place-items:center;font-size:17px;
 box-shadow:0 6px 14px rgba(18,101,95,.28);
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
 display:inline-flex;align-items:center;
 padding:8px 14px;border-radius:var(--radius-xs);
 font-size:15px;font-weight:500;color:var(--ink-soft);
 transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-links a:hover{background:var(--brand-tint);color:var(--brand);transform:translateY(-1px);}
.nav-links a.active{background:var(--brand-tint);color:var(--brand);font-weight:700;}
.nav-right{display:flex;align-items:center;gap:12px;}
.btn-cta{
 display:inline-flex;align-items:center;gap:8px;
 background:var(--accent);color:#231a08;
 font-weight:700;font-size:14.5px;
 padding:10px 18px;border-radius:var(--radius-xs);border:1px solid transparent;
 box-shadow:0 8px 18px rgba(224,163,54,.30);
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
 white-space:nowrap;
}
.btn-cta:hover{background:var(--accent-deep);color:#231a08;transform:translateY(-2px);box-shadow:0 12px 24px rgba(224,163,54,.36);}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:42px;height:42px;border-radius:var(--radius-xs);
 border:1px solid var(--line);background:#fff;color:var(--ink);font-size:20px;
 transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-tint);border-color:var(--line-strong);}
/* ---------- buttons ---------- */
.btn-main{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 background:var(--brand);color:#fff;border:1px solid transparent;
 padding:13px 28px;border-radius:var(--radius-xs);
 font-weight:600;font-size:15px;
 transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(10,73,68,.26);}
.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 background:transparent;color:var(--brand);border:1px solid var(--line-strong);
 padding:12px 26px;border-radius:var(--radius-xs);
 font-weight:600;font-size:15px;
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line:hover{background:var(--brand-tint);border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-line-light{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.42);
 padding:12px 26px;border-radius:var(--radius-xs);
 font-weight:600;font-size:15px;
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line-light:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-accent{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 background:var(--accent);color:#231a08;border:1px solid transparent;
 padding:13px 28px;border-radius:var(--radius-xs);font-weight:700;font-size:15px;
 transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{background:var(--accent-deep);color:#231a08;transform:translateY(-2px);box-shadow:0 12px 24px rgba(201,141,31,.32);}
/* ---------- hero ---------- */
.page-hero{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(150deg,#0c3a36 0%,#0a2b29 58%,#0d2f35 100%);
}
.page-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 opacity:.18;
}
.page-hero::after{
 content:"";position:absolute;left:-180px;bottom:-220px;width:520px;height:520px;border-radius:50%;
 background:radial-gradient(circle,rgba(224,163,54,.22) 0%,rgba(224,163,54,0) 70%);
}
.page-hero__inner{position:relative;z-index:2;padding:58px 0 66px;}
.crumb{
 display:flex;flex-wrap:wrap;align-items:center;gap:8px;
 font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:#fff;}
.crumb i{font-size:11px;opacity:.7;}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;}
.hero-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:1.2px;
 color:#f4d79b;background:rgba(224,163,54,.16);
 border:1px solid rgba(224,163,54,.38);
 padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.page-hero h1{
 font-size:clamp(27px,3.4vw,40px);
 line-height:1.3;letter-spacing:.4px;margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:#f3c86d;}
.hero-lead{
 font-size:15.5px;line-height:1.86;color:rgba(255,255,255,.86);
 max-width:600px;margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
 display:inline-flex;align-items:center;gap:6px;
 font-size:13px;color:rgba(255,255,255,.86);
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
 padding:6px 13px;border-radius:999px;
}
/* hero countdown panel */
.update-panel{
 background:rgba(255,255,255,.97);color:var(--ink);
 border-radius:16px;overflow:hidden;
 box-shadow:0 24px 50px rgba(0,0,0,.30);
}
.update-panel__media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.update-panel__media img{width:100%;height:100%;object-fit:cover;}
.update-panel__media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(9,38,36,0) 40%,rgba(9,38,36,.72) 100%);
}
.update-panel__badge{
 position:absolute;left:14px;top:14px;z-index:2;
 display:inline-flex;align-items:center;gap:6px;
 font-size:12px;font-weight:700;letter-spacing:.6px;
 color:#231a08;background:var(--accent);
 padding:5px 12px;border-radius:999px;
}
.update-panel__caption{
 position:absolute;left:16px;right:16px;bottom:12px;z-index:2;
 color:#fff;font-size:13.5px;font-weight:600;
 text-shadow:0 2px 8px rgba(0,0,0,.5);
}
.update-panel__body{padding:18px 20px 20px;}
.update-panel__title{font-size:16px;font-weight:800;margin-bottom:4px;}
.update-panel__sub{font-size:13px;color:var(--muted);margin-bottom:14px;}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px;}
.countdown__cell{
 background:var(--brand-tint);border:1px solid var(--line-strong);
 border-radius:var(--radius-xs);padding:8px 4px;text-align:center;
}
.countdown__num{font-size:20px;font-weight:800;color:var(--brand-deep);line-height:1.2;font-variant-numeric:tabular-nums;}
.countdown__label{font-size:11.5px;color:var(--muted);letter-spacing:.5px;}
.subscribe-row{display:flex;gap:10px;align-items:center;}
.subscribe-row .btn-accent{flex:1;justify-content:center;padding:11px 14px;font-size:14px;}
.subscribe-tip{
 display:none;margin-top:10px;font-size:12.5px;color:var(--brand-deep);
 background:var(--brand-tint);border:1px solid var(--line-strong);
 border-radius:var(--radius-xs);padding:8px 12px;
}
.subscribe-tip.show{display:block;}
/* ---------- section base ---------- */
.section{padding:64px 0;}
.section--tint{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--accent{background:linear-gradient(180deg,#f2f7f6 0%,#f5f7f7 100%);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head .eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:1.4px;
 color:var(--brand);background:var(--brand-tint);
 border:1px solid var(--line-strong);
 padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{
 font-size:clamp(22px,2.6vw,29px);line-height:1.36;letter-spacing:.3px;margin-bottom:10px;
}
.section-head p{color:var(--ink-soft);font-size:15px;line-height:1.82;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
/* ---------- cards ---------- */
.card-grid{display:grid;gap:20px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.info-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);padding:24px 22px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 height:100%;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.info-card__icon{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-tint);color:var(--brand);font-size:20px;margin-bottom:14px;
}
.info-card__icon.is-accent{background:var(--accent-tint);color:var(--accent-deep);}
.info-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.info-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.8;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
 display:inline-flex;align-items:center;
 font-size:12.5px;color:var(--brand-deep);
 background:var(--brand-tint);border:1px solid var(--line-strong);
 padding:3px 10px;border-radius:999px;
}
.tag--accent{color:#7c5504;background:var(--accent-tint);border-color:#f0dcb4;}
/* ---------- platform cards ---------- */
.plat-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.plat-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#dfe8e7;}
.plat-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.plat-card:hover .plat-card__media img{transform:scale(1.04);}
.plat-card__flag{
 position:absolute;left:12px;top:12px;
 font-size:12px;font-weight:700;color:#fff;
 background:rgba(10,73,68,.88);padding:4px 11px;border-radius:999px;
 backdrop-filter:blur(4px);
}
.plat-card__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.plat-card__body h3{font-size:18px;font-weight:800;}
.plat-card__body p{font-size:14.5px;color:var(--ink-soft);line-height:1.78;}
.spec-list{display:grid;gap:7px;margin-top:2px;}
.spec-list li{
 display:flex;justify-content:space-between;gap:12px;
 font-size:13.5px;color:var(--ink-soft);
 padding-bottom:7px;border-bottom:1px dashed var(--line);
}
.spec-list li:last-child{border-bottom:0;padding-bottom:0;}
.spec-list b{color:var(--ink);font-weight:700;}
/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step;}
.step{
 position:relative;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 20px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.step__num{
 width:38px;height:38px;border-radius:12px;
 background:var(--brand);color:#fff;font-weight:800;font-size:16px;
 display:grid;place-items:center;margin-bottom:14px;
 box-shadow:0 8px 18px rgba(18,101,95,.26);
}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-soft);line-height:1.78;}
.step::after{
 content:"";position:absolute;right:-13px;top:42px;width:8px;height:8px;
 border-top:2px solid var(--line-strong);border-right:2px solid var(--line-strong);
 transform:rotate(45deg);
}
.step:last-child::after{display:none;}
/* ---------- stats ---------- */
.stats-strip{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
 background:linear-gradient(135deg,#0f3d39 0%,#0a2b29 100%);
 border-radius:16px;padding:30px 26px;color:#fff;
 box-shadow:0 18px 40px rgba(10,73,68,.22);
}
.stat{text-align:center;padding:6px 4px;}
.stat__num{font-size:clamp(24px,3vw,32px);font-weight:800;color:#f3c86d;line-height:1.2;font-variant-numeric:tabular-nums;}
.stat__label{font-size:13.5px;color:rgba(255,255,255,.78);margin-top:4px;}
/* ---------- compare table ---------- */
.table-shell{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
}
.table-shell .table{margin:0;font-size:14.5px;color:var(--ink-soft);}
.table-shell thead th{
 background:var(--brand-tint);color:var(--brand-deep);
 font-weight:700;font-size:14px;white-space:nowrap;
 border-bottom:1px solid var(--line-strong);padding:14px 16px;
}
.table-shell tbody td{padding:14px 16px;border-color:var(--line);vertical-align:middle;}
.table-shell tbody tr:hover td{background:#f7fafa;}
.table-shell tbody td:first-child{font-weight:700;color:var(--ink);}
/* ---------- reviews ---------- */
.quote-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.quote-card__mark{font-size:22px;color:var(--accent);line-height:1;margin-bottom:10px;}
.quote-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.82;margin-bottom:16px;}
.quote-card__who{display:flex;align-items:center;gap:10px;}
.avatar{
 width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
 background:var(--brand-tint);color:var(--brand);font-weight:800;font-size:14px;
}
.quote-card__who b{display:block;font-size:14px;color:var(--ink);}
.quote-card__who span{font-size:12.5px;color:var(--muted);}
/* ---------- audience ---------- */
.aud-card{
 display:flex;gap:14px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.aud-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.aud-card i{font-size:22px;color:var(--brand);margin-top:2px;}
.aud-card h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.aud-card p{font-size:14px;color:var(--ink-soft);line-height:1.78;}
/* ---------- news list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
 display:flex;flex-direction:column;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);height:100%;color:inherit;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);color:inherit;}
.news-card__body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.news-card__meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12.5px;color:var(--muted);}
.news-card__meta span{
 background:var(--brand-tint);color:var(--brand-deep);
 border-radius:999px;padding:2px 9px;border:1px solid var(--line-strong);
}
.news-card h3{font-size:16px;font-weight:700;line-height:1.55;color:var(--ink);}
.news-card p{font-size:14px;color:var(--ink-soft);line-height:1.78;}
.news-empty{
 background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--radius);
 padding:34px 24px;text-align:center;color:var(--muted);font-size:14.5px;
}
/* ---------- channel pills ---------- */
.channel-bar{
 display:flex;flex-wrap:wrap;gap:12px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow-sm);
}
.channel-bar__label{font-size:14px;font-weight:700;color:var(--ink);margin-right:4px;}
.channel-pill{
 display:inline-flex;align-items:center;gap:8px;
 font-size:14px;font-weight:600;color:var(--brand-deep);
 background:var(--brand-tint);border:1px solid var(--line-strong);
 padding:9px 16px;border-radius:999px;
 transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.channel-pill:hover{background:#dcebe9;border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
 background:var(--surface);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:var(--line-strong);box-shadow:var(--shadow-md);}
.faq-item summary{
 cursor:pointer;list-style:none;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 padding:18px 20px;font-size:15.5px;font-weight:700;color:var(--ink);
 transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#f7fafa;color:var(--brand-deep);}
.faq-item summary i{color:var(--brand);font-size:16px;transition:transform .2s ease;flex:0 0 auto;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-item__body{padding:0 20px 20px;font-size:14.5px;color:var(--ink-soft);line-height:1.85;}
/* ---------- cta ---------- */
.cta-block{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(135deg,#0f3d39 0%,#0a2b29 62%,#123a40 100%);
 border-radius:18px;padding:46px 40px;
 box-shadow:0 20px 44px rgba(10,73,68,.24);
}
.cta-block::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/backpic/back-6.webp') center/cover no-repeat;opacity:.14;
}
.cta-block__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center;}
.cta-block h2{font-size:clamp(21px,2.6vw,28px);line-height:1.36;margin-bottom:10px;}
.cta-block p{color:rgba(255,255,255,.84);font-size:15px;line-height:1.84;max-width:640px;}
.cta-block__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;}
.cta-side{
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);
 border-radius:14px;padding:20px;
}
.cta-side h3{font-size:15px;font-weight:700;margin-bottom:10px;}
.cta-side ul{display:grid;gap:8px;font-size:13.5px;color:rgba(255,255,255,.86);}
.cta-side li{display:flex;align-items:flex-start;gap:8px;}
.cta-side i{color:#f3c86d;font-size:14px;margin-top:3px;}
/* ---------- footer ---------- */
.site-footer{background:#0c2422;color:rgba(255,255,255,.72);padding:54px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#17817a 0%,#0a4944 100%);box-shadow:none;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:420px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col ul a:hover{color:#f3c86d;}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 padding-top:20px;font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.68);}
.footer-bottom a:hover{color:#f3c86d;}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .steps{grid-template-columns:repeat(2,1fr);}
 .step::after{display:none;}
 .stats-strip{grid-template-columns:repeat(2,1fr);}
 .news-grid{grid-template-columns:repeat(2,1fr);}
 .cta-block__inner{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .section{padding:52px 0;}
}
@media (max-width:991px){
 .nav-toggle{display:inline-flex;}
 .nav-links{
  position:absolute;left:0;right:0;top:64px;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border-bottom:1px solid var(--line);
  padding:12px 16px 16px;box-shadow:0 16px 30px rgba(15,34,48,.12);
  display:none;
 }
 .nav-links.open{display:flex;}
 .nav-links a{padding:12px 14px;font-size:15.5px;border-radius:var(--radius-xs);}
 .page-hero__inner{padding:44px 0 52px;}
 .grid-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
 .grid-3,.grid-4,.grid-2,.news-grid{grid-template-columns:1fr;}
 .steps{grid-template-columns:1fr;}
 .stats-strip{grid-template-columns:repeat(2,1fr);padding:24px 18px;}
 .cta-block{padding:34px 24px;border-radius:14px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .section{padding:44px 0;}
 .section-head{margin-bottom:26px;}
 .nav-wrap{gap:12px;}
 .btn-cta{padding:9px 14px;font-size:13.5px;}
 .table-shell{overflow-x:auto;}
 .table-shell .table{min-width:640px;}
}
@media (max-width:520px){
 .brand{font-size:17px;}
 .brand-mark{width:30px;height:30px;border-radius:9px;font-size:15px;}
 .page-hero h1{font-size:24px;}
 .hero-actions .btn-main,.hero-actions .btn-line-light{width:100%;}
 .countdown{grid-template-columns:repeat(4,1fr);gap:6px;}
 .countdown__num{font-size:17px;}
 .stats-strip{grid-template-columns:1fr 1fr;gap:12px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
 .channel-bar{padding:16px;}
}

/* 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}