/* roulang page: index */
:root{
  --c-400:#FF7A2F;
  --c-500:#FF5A1F;
  --c-600:#E8460D;
  --cyan:#12D6C0;
  --yellow:#FFD84D;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --dark:#16181D;
  --text:#1E2227;
  --muted:#6B7280;
  --line:#E8E4DE;
  --zebra:#FAF8F5;
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FF7A2F 52%,#12D6C0 100%);
  --sh-1:0 6px 18px rgba(22,24,29,.06);
  --sh-2:0 12px 28px rgba(22,24,29,.10);
  --sh-3:0 18px 40px rgba(22,24,29,.14);
  --r-xl:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.2px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .16s ease-out}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-500);outline-offset:2px}
.container{width:100%;max-width:1232px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:#fff}

/* ============ HEADER / CARD NAV ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  padding:14px 0;
  background:rgba(247,245,242,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nav-panel{
  position:relative;
  display:flex;align-items:center;gap:16px;
  background:var(--dark);
  border-radius:20px;
  padding:12px 14px;
  box-shadow:var(--sh-2);
}
.nav-panel::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:2px;
  background:var(--grad);border-radius:0 0 4px 4px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:14px;
  letter-spacing:-.5px;flex:0 0 auto;
}
.brand-text{color:#fff;font-weight:700;font-size:16px;letter-spacing:-.3px;white-space:nowrap}
.brand-text small{display:block;font-size:11px;font-weight:500;color:rgba(255,255,255,.5);letter-spacing:.4px}
.nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0}
.nav-card{
  display:flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:14px;
  background:rgba(255,255,255,.06);
  border-left:3px solid transparent;
  color:rgba(255,255,255,.82);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.nav-card i{color:var(--cyan);font-size:14px}
.nav-card:hover{background:rgba(255,255,255,.12);border-left-color:var(--c-500);color:#fff;transform:translateY(-1px)}
.nav-card.active{background:rgba(255,90,31,.20);border-left-color:var(--c-500);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.08);color:#fff;
  align-items:center;justify-content:center;font-size:17px;
  transition:background .18s ease-out;
}
.nav-toggle:hover{background:rgba(255,255,255,.16)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:600;font-size:15px;
  padding:13px 26px;
  white-space:nowrap;
  transition:transform .16s ease-out,box-shadow .16s ease-out,filter .16s ease-out,background .16s ease-out,border-color .16s ease-out;
  position:relative;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(255,90,31,.28)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,90,31,.34);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,90,31,.24)}
.btn-ghost{background:#fff;border:1.5px solid var(--line);color:var(--dark)}
.btn-ghost:hover{background:#FFF3EA;border-color:#FFD3BC;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:rgba(255,255,255,.14);border:1.5px solid rgba(255,255,255,.34);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}
.btn[disabled],.btn.is-loading{opacity:.55;pointer-events:none;filter:grayscale(.3)}

/* ============ HERO ============ */
.hero{
  position:relative;
  overflow:hidden;
  color:#fff;
  background-color:var(--dark);
  background-image:
    linear-gradient(118deg,rgba(22,24,29,.93) 0%,rgba(22,24,29,.76) 46%,rgba(232,70,13,.58) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  padding:100px 0 124px;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 88% 14%,rgba(18,214,192,.20),transparent 46%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-copy{max-width:620px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  font-size:13px;font-weight:600;letter-spacing:.4px;
  color:rgba(255,255,255,.92);
  margin-bottom:22px;
}
.hero-eyebrow i{color:var(--yellow);font-size:12px}
.hero h1{
  font-size:44px;line-height:1.2;font-weight:800;
  letter-spacing:-1px;margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(110deg,#FFD84D 0%,#FF7A2F 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.84);margin-bottom:34px;max-width:560px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-badges{display:flex;flex-direction:column;gap:14px;align-items:flex-end}
.hero-badge{
  min-width:206px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  border-radius:var(--r-md);
  padding:15px 20px;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:transform .18s ease-out,background .18s ease-out;
}
.hero-badge:hover{transform:translateX(-4px);background:rgba(255,255,255,.16)}
.hero-badge b{display:block;font-size:28px;line-height:1.2;font-weight:800;color:var(--yellow);letter-spacing:-.5px}
.hero-badge b i{font-size:14px;font-style:normal;color:rgba(255,255,255,.7);margin-left:4px;font-weight:500}
.hero-badge span{font-size:13px;color:rgba(255,255,255,.78)}

/* ============ STAT STRIP ============ */
.badge-strip{margin-top:-58px;position:relative;z-index:6}
.badge-strip-inner{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border-radius:var(--r-xl);
  padding:28px 30px;
  box-shadow:var(--sh-2);
  border:1px solid var(--line);
}
.stat{text-align:left;padding-right:12px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{
  display:block;font-size:30px;line-height:1.2;font-weight:800;
  color:var(--c-600);letter-spacing:-1px;
}
.stat b i{font-size:14px;font-style:normal;color:var(--muted);font-weight:600;margin-left:3px}
.stat span{font-size:14px;color:var(--muted);display:block;margin-top:4px}

/* ============ SECTION HEAD ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:38px;flex-wrap:wrap}
.sec-head h2{font-size:30px;line-height:1.32;font-weight:700;letter-spacing:-.6px}
.sec-head .sec-desc{font-size:15px;color:var(--muted);margin-top:10px;max-width:660px;line-height:1.7}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-600);font-weight:600;font-size:15px;
  border-bottom:3px solid transparent;padding-bottom:2px;
  transition:border-color .16s ease-out,color .16s ease-out;
}
.link-more:hover{border-bottom-color:var(--c-500);color:var(--c-500)}

/* ============ COMPARE TABLE ============ */
.cmp-table{
  background:#fff;border-radius:var(--r-xl);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.cmp-table table{width:100%;border-collapse:collapse}
.cmp-table thead th{
  background:var(--dark);color:#fff;
  font-size:15px;font-weight:600;
  padding:22px 16px;text-align:center;
}
.cmp-table thead th:first-child{text-align:left;padding-left:30px;width:32%}
.cmp-table tbody td{
  height:58px;padding:0 16px;text-align:center;
  font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
.cmp-table tbody td:first-child{text-align:left;padding-left:30px;font-weight:600}
.cmp-table tbody tr:nth-child(odd){background:#fff}
.cmp-table tbody tr:nth-child(even){background:var(--zebra)}
.cmp-table tbody tr:last-child td{border-bottom:0}
.yes-dot{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;
  background:var(--c-500);color:#fff;font-size:12px;font-weight:700;
}
.no-bar{display:inline-block;width:20px;height:2px;border-radius:2px;background:#D8D3CC;vertical-align:middle}
.tag-mini{font-size:13px;color:var(--muted);letter-spacing:0}
.cmp-note{margin-top:20px;font-size:13px;color:var(--muted);line-height:1.8}
.cmp-foot{margin-top:26px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cmp-cards{display:none}

/* ============ TIER CARDS ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.tier-card{
  position:relative;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:34px 30px 30px;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.tier-card.is-featured{
  border:2px solid transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    var(--grad) border-box;
  transform:translateY(-6px);
  box-shadow:var(--sh-2);
  z-index:2;
}
.tier-card.is-featured:hover{transform:translateY(-10px);box-shadow:var(--sh-3)}
.tier-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  padding:5px 16px;border-radius:var(--r-pill);
  background:var(--yellow);color:#4A3200;
  font-size:12px;font-weight:700;letter-spacing:.4px;
  box-shadow:0 4px 10px rgba(255,216,77,.5);
}
.tier-name{font-size:21px;font-weight:700;letter-spacing:-.4px}
.tier-desc{font-size:13px;color:var(--muted);margin-top:6px}
.tier-price{
  margin:20px 0 4px;font-size:15px;color:var(--muted);
  display:flex;align-items:baseline;gap:6px;
}
.tier-price b{font-size:30px;font-weight:800;color:var(--c-600);letter-spacing:-1px}
.tier-line{height:1px;background:var(--line);margin:22px 0}
.tier-list{flex:1}
.tier-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;line-height:1.7;color:#3A4048;
  margin-bottom:12px;
}
.tier-list li:last-child{margin-bottom:0}
.tier-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;
  background:var(--c-400);margin-top:9px;
}
.tier-card.is-featured .tier-list li::before{background:var(--cyan)}
.tier-cta{margin-top:26px;width:100%}

/* ============ CONTENT PREVIEW ============ */
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.preview-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.preview-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.preview-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDEAE5}
.preview-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.preview-card:hover .preview-media img{transform:scale(1.04)}
.preview-tag{
  position:absolute;top:12px;left:12px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(22,24,29,.78);color:#fff;
  font-size:12px;font-weight:600;backdrop-filter:blur(4px);
}
.preview-meta{
  position:absolute;right:12px;bottom:12px;
  padding:4px 11px;border-radius:10px;
  background:rgba(255,255,255,.92);color:var(--dark);
  font-size:12px;font-weight:700;
}
.preview-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.preview-body h3{
  font-size:17px;line-height:1.5;font-weight:600;
  margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.preview-body p{
  font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ============ NEWS LIST (CMS) ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#FFE7D8,#D9FBF6)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:#FFF0E7;color:var(--c-600);
  font-size:12px;font-weight:600;
}
.news-time{font-size:12px;color:var(--muted);display:inline-flex;align-items:center;gap:5px}
.news-body h3{
  font-size:17px;line-height:1.55;font-weight:600;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a:hover{color:var(--c-600)}
.news-body p{
  font-size:14px;line-height:1.72;color:var(--muted);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--c-600);display:inline-flex;align-items:center;gap:6px}
.news-more:hover{gap:10px;color:var(--c-500)}
.empty-state{
  min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--zebra);border:1px dashed var(--line);
  border-radius:var(--r-md);text-align:center;padding:32px;
}
.empty-state i{font-size:30px;color:#D6CFC6}
.empty-state b{font-size:15px;font-weight:600;color:#4B5058}
.empty-state span{font-size:14px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item.is-open{border-color:#FFD9C4;box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q:hover{color:var(--c-600)}
.faq-icon{
  position:relative;flex:0 0 auto;width:20px;height:20px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-500);
  border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s ease-out;
}
.faq-item.is-open .faq-a{max-height:520px}
.faq-a-inner{
  padding:0 26px 24px;
  background:var(--zebra);
  font-size:15px;line-height:1.85;color:#4A5058;
  border-top:1px solid var(--line);
  padding-top:20px;
}
.faq-a-inner p{margin:0}

/* ============ CTA ============ */
.cta-band{padding:0 0 96px}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:28px;
  padding:64px 56px;
  color:#fff;
  background-color:var(--dark);
  background-image:
    linear-gradient(120deg,rgba(22,24,29,.90) 0%,rgba(232,70,13,.68) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-3);
}
.cta-card h2{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.6px;max-width:620px}
.cta-card p{font-size:15px;color:rgba(255,255,255,.82);margin-top:14px;max-width:560px;line-height:1.8}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:30px}
.cta-safe{font-size:13px;color:rgba(255,255,255,.66);display:inline-flex;align-items:center;gap:7px}
.cta-safe i{color:var(--cyan)}

/* ============ FOOTER ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.70);padding:72px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.footer-desc{font-size:14px;line-height:1.85;max-width:330px;color:rgba(255,255,255,.62)}
.footer-contact{margin-top:18px;font-size:14px;line-height:2;color:rgba(255,255,255,.62)}
.footer-contact i{color:var(--cyan);width:18px;margin-right:6px}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px;letter-spacing:0}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--c-400)}
.footer-bottom{
  margin-top:56px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .cta-band{padding:0 0 72px}
  .hero{padding:76px 0 110px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-badges{flex-direction:row;flex-wrap:wrap;align-items:stretch}
  .hero-badge{flex:1 1 180px;min-width:0}
  .hero h1{font-size:36px}
  .badge-strip-inner{grid-template-columns:repeat(2,1fr);gap:22px 20px;padding:26px 24px}
  .stat:nth-child(2){border-right:0}
  .tier-grid{grid-template-columns:1fr;gap:20px}
  .tier-card.is-featured{transform:none}
  .tier-card.is-featured:hover{transform:translateY(-4px)}
  .preview-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{padding:50px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}

  .nav-links{
    display:none;
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:10px;
    background:#fff;border-radius:18px;padding:16px;
    box-shadow:var(--sh-3);
    border:1px solid var(--line);
    z-index:130;
  }
  .nav-links.is-open{display:flex}
  .nav-links .nav-card{
    background:#F7F5F2;color:var(--dark);
    border-left:3px solid transparent;
    padding:14px 16px;font-size:15px;
    border-radius:14px;
  }
  .nav-links .nav-card i{color:var(--c-500)}
  .nav-links .nav-card:hover{background:#FFF3EA;color:var(--c-600);border-left-color:var(--c-500)}
  .nav-links .nav-card.active{background:#FFF0E7;color:var(--c-600);border-left-color:var(--c-500)}
  .nav-toggle{display:inline-flex}
}
@media (max-width:767px){
  .cmp-table{display:none}
  .cmp-cards{display:grid;grid-template-columns:1fr;gap:18px}
  .cmp-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:24px 22px;box-shadow:var(--sh-1);
  }
  .cmp-card-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:16px}
  .cmp-card-head b{font-size:18px;font-weight:700}
  .cmp-card-head span{font-size:13px;color:var(--muted)}
  .cmp-card ul li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7;color:#3A4048;margin-bottom:12px}
  .cmp-card ul li:last-child{margin-bottom:0}
  .cmp-card ul li .yes-dot{width:22px;height:22px;font-size:11px;margin-top:2px}
  .cmp-card ul li .no-bar{margin-top:12px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .site-header{padding:10px 0}
  .nav-panel{padding:10px 12px;gap:10px}
  .brand-text{font-size:14px}
  .brand-mark{width:36px;height:36px;font-size:13px}
  .hero{padding:60px 0 96px}
  .hero h1{font-size:29px;letter-spacing:-.6px}
  .hero-sub{font-size:15px}
  .hero-cta{gap:12px}
  .hero-cta .btn{flex:1 1 100%}
  .hero-badges{flex-direction:column}
  .hero-badge{width:100%}
  .badge-strip{margin-top:-44px}
  .badge-strip-inner{grid-template-columns:repeat(2,1fr);padding:22px 18px}
  .stat{border-right:0;padding-right:0}
  .stat b{font-size:24px}
  .stat span{font-size:13px}
  .sec-head h2{font-size:23px}
  .preview-grid,.news-grid{grid-template-columns:1fr}
  .cta-card{padding:40px 24px;border-radius:22px}
  .cta-card h2{font-size:23px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .faq-q{padding:18px 20px;font-size:16px}
  .faq-a-inner{padding:18px 20px 22px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: article */
:root{
  --brand-400:#FF7A2F;
  --brand-500:#FF5A1F;
  --brand-600:#E8460D;
  --cyan-500:#12D6C0;
  --signal:#FFD84D;
  --bg:#F7F5F2;
  --bg-alt:#FAF8F5;
  --surface:#FFFFFF;
  --panel:#16181D;
  --ink:#1E2227;
  --muted:#6B7280;
  --line:#E8E4DE;
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FF7A2F 50%,#12D6C0 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,90,31,.12),rgba(18,214,192,.12));
  --r-xl:24px;
  --r-lg:20px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(22,24,29,.06);
  --sh-2:0 12px 28px rgba(22,24,29,.10);
  --sh-3:0 18px 40px rgba(22,24,29,.14);
  --t:160ms ease-out;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t)}
h1,h2,h3,h4{margin:0;letter-spacing:-.5px;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0}
li{list-style:none}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit}
.num,.badge-num,.meta-num{font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec) 0}
.section-tight{padding:56px 0}

/* ---------- 导航 ---------- */
.site-header{padding:20px 0 0}
.nav-panel{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--panel);
  border-radius:var(--r-lg);
  padding:14px 18px;
  box-shadow:0 12px 28px rgba(22,24,29,.18);
}
.nav-panel::before{
  content:"";position:absolute;left:20px;right:20px;top:0;height:1px;
  background:var(--grad);border-radius:2px;opacity:.9;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:var(--r-sm);
  display:grid;place-items:center;
  font-size:15px;font-weight:800;color:#fff;
  background:var(--grad);letter-spacing:0;
  box-shadow:0 6px 16px rgba(232,70,13,.35);
}
.brand-text{display:flex;flex-direction:column;color:#fff;font-size:17px;font-weight:700;line-height:1.2;letter-spacing:-.5px}
.brand-text small{font-size:11px;font-weight:400;color:rgba(255,255,255,.55);letter-spacing:.4px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:10px;margin-left:10px}
.nav-card{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.82);
  font-size:14px;font-weight:500;white-space:nowrap;
  border-left:3px solid transparent;
  transition:background var(--t),color var(--t),transform var(--t),border-color var(--t);
}
.nav-card i{color:var(--brand-400);font-size:15px}
.nav-card:hover{background:rgba(255,255,255,.12);border-left-color:var(--brand-500);color:#fff;transform:translateY(-1px)}
.nav-card.active{background:rgba(255,255,255,.14);border-left-color:var(--brand-500);color:#fff}
.nav-card:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;font-size:16px;
  transition:background var(--t);
}
.nav-toggle:hover{background:rgba(255,255,255,.14)}
.nav-toggle:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:var(--r-pill);
  font-weight:700;font-size:15px;line-height:1;
  padding:14px 26px;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),filter var(--t);
}
.btn-primary{
  color:#fff;background:var(--grad);
  box-shadow:0 6px 18px rgba(232,70,13,.28);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 28px rgba(232,70,13,.32)}
.btn-primary:active{transform:none;box-shadow:0 6px 18px rgba(232,70,13,.22)}
.btn-ghost{background:#fff;border:1.5px solid var(--line);color:var(--ink)}
.btn-ghost:hover{background:#FFF3EA;border-color:#FFD3B8;transform:translateY(-2px)}
.btn-ghost:active{transform:none}
.btn-sm{padding:10px 18px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn[disabled],.btn.is-loading{opacity:.58;cursor:not-allowed;transform:none;box-shadow:none;filter:none}
.btn.is-loading::after{
  content:"";width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.5);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 页面主体 ---------- */
.page-main{padding:28px 0 96px}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;line-height:1.6;color:var(--muted);margin-bottom:16px;
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-600)}
.crumbs .sep{color:#C9C2B8}
.crumbs .current{color:var(--ink);font-weight:600}

.article-head{max-width:820px}
.article-head h1{
  font-size:44px;line-height:1.28;font-weight:800;letter-spacing:-.5px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:14px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC8BE;display:inline-block}
.article-meta .pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:#FFF3EA;color:var(--brand-600);
  font-size:13px;font-weight:600;
}
.article-rule{height:1px;background:var(--line);margin:26px 0 40px;max-width:820px}

/* ---------- 正文排版 ---------- */
.article-body{max-width:800px;font-size:16px;line-height:1.9;color:#242A31}
.article-body > * + *{margin-top:20px}
.article-body p{margin:0 0 20px;line-height:1.9}
.article-body h2{
  position:relative;
  font-size:24px;line-height:1.45;font-weight:700;
  margin:46px 0 18px;padding-left:16px;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;margin:34px 0 14px;color:var(--ink)}
.article-body h4{font-size:17px;line-height:1.55;font-weight:600;margin:26px 0 12px;color:var(--ink)}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-500)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body ul li{list-style:none;position:relative;padding-left:16px;margin-bottom:10px;line-height:1.85}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:12px;
  width:7px;height:7px;border-radius:50%;
  background:var(--brand-400);box-shadow:0 0 0 3px rgba(255,122,47,.14);
}
.article-body ol{counter-reset:li}
.article-body ol li{list-style:none;position:relative;padding-left:20px;margin-bottom:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:5px;
  font-size:13px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;
  background:var(--bg-alt);
  border-left:4px solid var(--brand-500);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#3B4249;font-size:15.5px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:26px 0 8px;width:100%;object-fit:cover}
.article-body figure{margin:26px 0}
.article-body figcaption,
.article-body .caption{
  display:block;text-align:center;font-size:13px;color:var(--muted);margin-top:8px;line-height:1.6;
}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:26px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body thead th{
  background:var(--panel);color:#fff;font-weight:600;font-size:15px;
  padding:14px 16px;text-align:center;
}
.article-body thead th:first-child{text-align:left}
.article-body tbody td{padding:14px 16px;text-align:center;border-top:1px solid var(--line)}
.article-body tbody td:first-child{text-align:left;font-weight:600;color:var(--ink)}
.article-body tbody tr:nth-child(odd) td{background:var(--surface)}
.article-body tbody tr:nth-child(even) td{background:var(--bg-alt)}
.article-body code{
  background:#F1EDE8;border-radius:6px;padding:2px 6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.article-body hr{border:none;height:1px;background:var(--line);margin:34px 0}

/* ---------- 空态 ---------- */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:12px;background:var(--bg-alt);
  border:1px dashed var(--line);border-radius:var(--r-md);padding:40px 24px;
}
.empty-state i{font-size:30px;color:var(--brand-400)}
.empty-state h3{font-size:19px;font-weight:700}
.empty-state p{font-size:14.5px;color:var(--muted);max-width:420px}

/* ---------- 标签行 ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  max-width:800px;margin-top:48px;padding-top:26px;border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.tag.is-brand{background:#FFF3EA;border-color:#FFDCC6;color:var(--brand-600);font-weight:600}
.tag i{font-size:12px}
.tag:hover{border-color:#FFD3B8;color:var(--brand-600)}
.back-actions{display:flex;flex-wrap:wrap;gap:12px;max-width:800px;margin-top:22px}

/* ---------- 相关推荐 ---------- */
.related{max-width:820px;margin-top:72px}
.related h3{font-size:20px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.related h3::before{content:"";width:4px;height:18px;border-radius:4px;background:var(--grad)}
.related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad-soft)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-body{padding:14px 16px 18px}
.related-body .rc-meta{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px;margin-bottom:8px}
.related-body h4{font-size:16px;font-weight:600;line-height:1.55;margin-bottom:6px}
.related-body p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- CTA 大卡 ---------- */
.cta-wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:60px 40px;text-align:center;color:#fff;
  background:var(--grad);box-shadow:var(--sh-3);
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.3;mix-blend-mode:luminosity;
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.45),rgba(0,0,0,.22));
}
.cta-inner{position:relative;z-index:2;max-width:640px;margin:0 auto}
.cta-card h2{font-size:30px;line-height:1.35;font-weight:800;margin-bottom:14px}
.cta-card p{font-size:15.5px;color:rgba(255,255,255,.9);line-height:1.8;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:16px}
.cta-card .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff}
.cta-card .btn-ghost:hover{background:rgba(255,255,255,.24);border-color:#fff}
.cta-note{font-size:13px;color:rgba(255,255,255,.75)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--panel);color:rgba(255,255,255,.7);margin-top:96px;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:17px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6)}
.footer-contact i{color:var(--brand-400);margin-right:8px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:0}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--brand-400)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:72px}
  .container,.cta-wrap{padding:0 24px}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;z-index:40;
    display:none;flex-direction:column;align-items:stretch;gap:8px;
    background:#fff;border-radius:var(--r-lg);padding:14px;
    box-shadow:var(--sh-3);margin-left:0;
  }
  .nav-links.is-open{display:flex}
  .nav-card{
    background:var(--bg-alt);color:var(--ink);font-size:15px;
    padding:14px 16px;border-radius:var(--r-md);width:100%;
  }
  .nav-card:hover{background:#FFF3EA;color:var(--ink)}
  .nav-card.active{background:#FFF3EA;color:var(--brand-600)}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .article-head h1{font-size:36px}
  .related-list{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--sec:56px}
  .container,.cta-wrap{padding:0 18px}
  .nav-panel{padding:12px 14px;gap:10px}
  .brand-text{font-size:15px}
  .brand-text small{display:none}
  .brand-mark{width:38px;height:38px;font-size:14px}
  .page-main{padding:20px 0 72px}
  .article-head h1{font-size:29px;line-height:1.34}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px;margin-top:36px}
  .article-body h3{font-size:18px}
  .article-body table{font-size:14px}
  .article-body thead th,.article-body tbody td{padding:12px 10px}
  .cta-card{padding:44px 22px}
  .cta-card h2{font-size:24px}
  .related-list{grid-template-columns:1fr}
  .site-footer{margin-top:72px;padding:56px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-desc{max-width:none}
  .footer-bottom{flex-direction:column;gap:6px;margin-top:36px}
}
@media (max-width:520px){
  .article-meta{font-size:13px;gap:8px}
  .btn{padding:13px 20px;font-size:14.5px}
  .btn-sm{padding:9px 14px;font-size:13.5px}
  .article-head h1{font-size:25px}
  .back-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --brand-400:#FF7A2F;
  --brand-500:#FF5A1F;
  --brand-600:#E8460D;
  --cyan:#12D6C0;
  --yellow:#FFD84D;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --panel:#16181D;
  --text:#1E2227;
  --muted:#6B7280;
  --line:#E8E4DE;
  --tint:#FBFAF7;
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FF7A2F 50%,#12D6C0 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 6px 18px rgba(22,24,29,.06);
  --sh-2:0 12px 28px rgba(22,24,29,.10);
  --sh-3:0 18px 40px rgba(22,24,29,.14);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease}
button{font:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.5px;font-weight:700}
p{margin:0}
strong,b{font-weight:700}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:0;
  line-height:1.2;
  border:0;
  cursor:pointer;
  transition:transform .16s ease-out,box-shadow .16s ease-out,background-color .16s ease-out,color .16s ease-out,filter .16s ease-out;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 8px 20px rgba(232,70,13,.24);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,70,13,.30);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(232,70,13,.22)}
.btn-ghost{
  background:#fff;
  color:var(--text);
  border:1.5px solid var(--line);
  box-shadow:none;
}
.btn-ghost:hover{background:#FFF3EA;border-color:#FFD3BC;color:var(--brand-600);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{
  background:#fff;
  color:var(--brand-600);
  box-shadow:0 10px 26px rgba(0,0,0,.18);
}
.btn-light:hover{transform:translateY(-2px);filter:brightness(1.02);color:var(--brand-600);box-shadow:0 16px 34px rgba(0,0,0,.22)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:16px 32px;font-size:16px}
.btn:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
  border-radius:999px;
}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;filter:none}
.btn.is-loading{opacity:.72;pointer-events:none}
.btn.is-loading::after{
  content:"";
  width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.5);
  border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-600);
}
.link-arrow:hover{color:var(--brand-500);text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:4px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:16px 0 8px;
  background:linear-gradient(180deg,rgba(247,245,242,.96) 60%,rgba(247,245,242,.55));
  backdrop-filter:blur(8px);
}
.nav-panel{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:14px 20px;
  border-radius:var(--r-lg);
  background:var(--panel);
  box-shadow:var(--sh-2);
}
.nav-panel::before{
  content:"";
  position:absolute;
  left:20px;right:20px;top:0;
  height:1px;
  background:var(--grad);
  border-radius:999px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:var(--grad);
  color:#fff;font-weight:800;font-size:16px;
  letter-spacing:0;
  box-shadow:0 8px 18px rgba(232,70,13,.35);
}
.brand-text{
  display:flex;flex-direction:column;
  color:#fff;font-size:16px;font-weight:700;line-height:1.2;letter-spacing:-.3px;
  white-space:nowrap;
}
.brand-text small{
  display:block;
  margin-top:3px;
  font-size:11px;
  font-weight:400;
  letter-spacing:.4px;
  color:rgba(255,255,255,.55);
}
.nav-links{display:flex;align-items:center;gap:10px}
.nav-card{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  border-left:2px solid transparent;
  color:rgba(255,255,255,.82);
  font-size:13.5px;
  font-weight:500;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.nav-card i{color:var(--brand-400);font-size:15px}
.nav-card:hover{background:rgba(255,255,255,.12);border-left-color:var(--brand-500);color:#fff;transform:translateY(-1px)}
.nav-card.active{background:rgba(255,122,47,.16);border-left-color:var(--brand-500);color:#fff}
.nav-card.active i{color:var(--yellow)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:14px;
  background:rgba(255,255,255,.08);
  color:#fff;font-size:17px;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(255,255,255,.16)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  margin-top:12px;
  overflow:hidden;
  border-radius:0 0 var(--r-xl) var(--r-xl);
}
.page-hero__bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  transform:scale(1.02);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(232,70,13,.94) 0%,rgba(255,90,31,.78) 45%,rgba(18,214,192,.62) 100%),
             linear-gradient(180deg,rgba(0,0,0,.28),rgba(0,0,0,.08));
}
.page-hero__inner{
  position:relative;
  z-index:2;
  padding:76px 0 64px;
  max-width:900px;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;line-height:1.6;
  color:rgba(255,255,255,.82);
  margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.9)}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.crumb span.sep{opacity:.6}
.page-hero h1{
  font-size:44px;
  line-height:1.25;
  font-weight:800;
  color:#fff;
  letter-spacing:-1px;
  text-shadow:0 4px 20px rgba(0,0,0,.22);
}
.page-hero__lead{
  margin-top:18px;
  max-width:640px;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.94);
}
.hero-badges{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:30px;
}
.stat-badge{
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.34);
  backdrop-filter:blur(4px);
}
.stat-badge b{
  font-size:22px;
  font-weight:800;
  color:var(--yellow);
  letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;
}
.stat-badge b i{font-size:13px;font-style:normal;margin-left:2px;color:rgba(255,255,255,.8)}
.stat-badge span{font-size:13px;color:rgba(255,255,255,.92);white-space:nowrap}

/* ---------- 导览条 ---------- */
.toc-bar{
  margin-top:-26px;
  position:relative;
  z-index:5;
}
.toc-bar__inner{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  padding:16px 20px;
  border-radius:var(--r-lg);
  background:#fff;
  box-shadow:var(--sh-2);
  border:1px solid var(--line);
}
.toc-bar__label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--text);
  padding-right:14px;
  border-right:1px solid var(--line);
  margin-right:4px;
}
.toc-bar__label i{color:var(--brand-500)}
.toc-chip{
  padding:9px 16px;
  border-radius:999px;
  background:#F7F5F2;
  border:1px solid var(--line);
  font-size:13.5px;
  font-weight:500;
  color:var(--text);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.toc-chip:hover{background:#FFF3EA;border-color:#FFD3BC;color:var(--brand-600);transform:translateY(-2px)}
.toc-bar__cta{margin-left:auto}

/* ---------- 主体布局 ---------- */
.layout{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:32px;
  padding-top:56px;
  padding-bottom:var(--sec);
  align-items:start;
}
.side{position:sticky;top:110px}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 20px;
  box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:15px;
  font-weight:700;
  letter-spacing:0;
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.side-nav li+li{margin-top:4px}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;
  border-radius:12px;
  font-size:14px;
  color:var(--muted);
  transition:background-color .18s ease,color .18s ease,padding-left .18s ease;
}
.side-nav a i{font-size:6px;color:var(--brand-400)}
.side-nav a:hover{background:#F7F5F2;color:var(--text);padding-left:16px}
.side-nav a.is-active{background:#FFF3EA;color:var(--brand-600);font-weight:600}
.side-cta{
  margin-top:20px;
  padding:18px;
  border-radius:var(--r-md);
  background:var(--panel);
  color:#fff;
}
.side-cta p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.72)}
.side-cta .btn{margin-top:14px;width:100%}
.side-note{
  margin-top:16px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--muted);
}
.side-note i{color:var(--cyan);margin-right:6px}

.content{min-width:0}
.block{
  padding:36px 34px;
  border-radius:var(--r-xl);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.block+.block{margin-top:28px}
.block--tint{background:var(--tint)}
.block-head{margin-bottom:28px;border-bottom:1px solid var(--line);padding-bottom:22px}
.block-head h2{
  font-size:28px;
  font-weight:700;
  line-height:1.3;
  position:relative;
  padding-left:16px;
}
.block-head h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;
  width:4px;border-radius:999px;
  background:var(--grad);
}
.block-head p{
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  padding-left:16px;
}

.guide-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.guide-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-xl);
  background:#fff;
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.block--tint .guide-card{background:#fff}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.guide-card__media{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:linear-gradient(135deg,#FFE4D4,#D8F7F2);
}
.guide-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.guide-card:hover .guide-card__media img{transform:scale(1.04)}
.tag{
  position:absolute;left:14px;top:14px;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(22,24,29,.72);
  color:#fff;
  font-size:12px;
  letter-spacing:.3px;
  backdrop-filter:blur(4px);
}
.tag--soft{
  position:static;
  background:#FFF1E7;
  color:var(--brand-600);
  font-weight:600;
  backdrop-filter:none;
}
.guide-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.guide-card__body h3{font-size:19px;font-weight:600;line-height:1.45}
.guide-card__body p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.tick-list{margin-top:auto;display:flex;flex-direction:column;gap:9px;padding-top:4px}
.tick-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13.5px;line-height:1.7;
  color:var(--text);
}
.tick-list li i{
  flex:0 0 18px;width:18px;height:18px;
  margin-top:4px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--brand-500);
  color:#fff;
  font-size:9px;
}
.tick-list--cyan li i{background:var(--cyan)}

/* ---------- 速查清单 ---------- */
.check-panel{
  margin-top:28px;
  padding:32px 34px;
  border-radius:var(--r-xl);
  background:var(--panel);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.check-panel::before{
  content:"";
  position:absolute;left:34px;right:34px;top:0;height:1px;
  background:var(--grad);
}
.check-panel h2{font-size:24px;font-weight:700;color:#fff}
.check-panel > p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.7);max-width:640px}
.check-list{
  margin-top:24px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px 28px;
}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.06);
  border-left:2px solid rgba(255,122,47,.6);
  transition:background-color .18s ease,border-color .18s ease;
}
.check-list li:hover{background:rgba(255,255,255,.12);border-left-color:var(--cyan)}
.check-list b{
  flex:0 0 28px;
  font-size:15px;
  font-weight:800;
  color:var(--yellow);
  font-variant-numeric:tabular-nums;
}
.check-list span{font-size:14px;line-height:1.7;color:rgba(255,255,255,.86)}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;
  margin-top:36px;
  border-radius:var(--r-xl);
  overflow:hidden;
  padding:56px 44px;
  text-align:center;
  color:#fff;
}
.cta-card__bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
}
.cta-card::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(232,70,13,.92),rgba(255,122,47,.82) 48%,rgba(18,214,192,.7));
}
.cta-card__inner{position:relative;z-index:2;max-width:700px;margin:0 auto}
.cta-card h2{
  font-size:30px;
  font-weight:800;
  color:#fff;
  line-height:1.35;
}
.cta-card p{
  margin-top:16px;
  font-size:15.5px;
  line-height:1.85;
  color:rgba(255,255,255,.94);
}
.cta-actions{
  margin-top:28px;
  display:flex;justify-content:center;flex-wrap:wrap;gap:14px;
}
.cta-note{
  display:block;
  margin-top:18px;
  font-size:13px;
  color:rgba(255,255,255,.85);
}
.cta-note i{margin-right:6px;color:var(--yellow)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  background:var(--panel);
  color:rgba(255,255,255,.7);
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:16px}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:rgba(255,255,255,.62)}
.footer-contact i{margin-right:8px;color:var(--brand-400)}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:0;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--brand-400)}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:12.5px;
  color:rgba(255,255,255,.48);
  font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  :root{--sec:72px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    padding:14px;
    border-radius:var(--r-lg);
    background:#fff;
    box-shadow:var(--sh-3);
    border:1px solid var(--line);
    z-index:70;
  }
  .nav-links.open{display:flex}
  .nav-card{
    background:#F7F5F2;
    border-left:3px solid transparent;
    color:var(--text);
    font-size:15px;
    padding:14px 16px;
    border-radius:14px;
  }
  .nav-card i{color:var(--brand-500)}
  .nav-card:hover{background:#FFF3EA;border-left-color:var(--brand-500);color:var(--brand-600)}
  .nav-card.active{background:#FFF3EA;border-left-color:var(--brand-500);color:var(--brand-600)}
  .nav-card.active i{color:var(--brand-600)}
  .page-hero h1{font-size:34px}
  .layout{grid-template-columns:minmax(0,1fr);gap:24px;padding-top:40px}
  .side{position:static}
  .side-card{display:flex;flex-direction:column}
  .side-nav{display:flex;flex-wrap:wrap;gap:8px}
  .side-nav li+li{margin-top:0}
  .side-nav a{background:#F7F5F2;padding:9px 14px;border-radius:999px}
  .side-nav a i{display:none}
  .side-nav a:hover{padding-left:14px}
  .side-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
  .side-cta p{margin:0}
  .side-cta .btn{margin-top:0;width:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  :root{--sec:56px}
  .brand-text{font-size:14.5px}
  .brand-text small{display:none}
  .page-hero{border-radius:0 0 18px 18px}
  .page-hero__inner{padding:52px 0 48px}
  .page-hero h1{font-size:27px;letter-spacing:-.6px}
  .page-hero__lead{font-size:15px}
  .hero-badges{gap:10px;margin-top:24px}
  .stat-badge{padding:10px 14px}
  .stat-badge b{font-size:19px}
  .toc-bar{margin-top:-18px}
  .toc-bar__inner{padding:14px}
  .toc-bar__label{border-right:0;padding-right:0;width:100%;margin:0}
  .toc-bar__cta{margin-left:0;width:100%}
  .toc-bar__cta .btn{width:100%}
  .block{padding:24px 18px;border-radius:var(--r-md)}
  .block-head h2{font-size:22px}
  .block-head p{padding-left:14px;font-size:14px}
  .guide-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .guide-card__body{padding:18px}
  .check-panel{padding:24px 18px}
  .check-panel h2{font-size:20px}
  .check-list{grid-template-columns:minmax(0,1fr)}
  .cta-card{padding:38px 20px;margin-top:28px}
  .cta-card h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:519px){
  .page-hero h1{font-size:23px}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:14px}
  .brand-text{font-size:13.5px}
  .block-head h2{font-size:20px}
  .guide-card__body h3{font-size:17px}
  .stat-badge{width:100%;justify-content:flex-start}
  .cta-card h2{font-size:20px}
}

/* roulang page: category2 */
:root{
  --brand-400:#FF7A2F;
  --brand-500:#FF5A1F;
  --brand-600:#E8460D;
  --cyan-500:#12D6C0;
  --yellow-400:#FFD84D;
  --ink:#1E2227;
  --ink-deep:#16181D;
  --muted:#6B7280;
  --bg:#F7F5F2;
  --surface:#FFFFFF;
  --surface-2:#FAF8F5;
  --line:#E8E4DE;
  --grad-brand:linear-gradient(135deg,#FF5A1F 0%,#FF7A2F 52%,#12D6C0 100%);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-1:0 6px 18px rgba(22,24,29,.06);
  --shadow-2:0 12px 28px rgba(22,24,29,.10);
  --shadow-3:0 18px 40px rgba(22,24,29,.14);
  --container:1200px;
  --ease:cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);}
a:hover,a:focus{color:var(--brand-500);}
h1,h2,h3,h4,h5,h6{margin:0;font-family:inherit;font-weight:700;line-height:1.32;letter-spacing:-.5px;color:inherit;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;margin:0;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section--alt{background:var(--surface-2);border-top:1px solid rgba(232,228,222,.7);border-bottom:1px solid rgba(232,228,222,.7);}
.narrow{max-width:900px;margin:0 auto;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  padding:14px 0;
  background:rgba(247,245,242,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nav-panel{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  padding:14px 18px;
  border-radius:20px;
  background:var(--ink-deep);
  box-shadow:var(--shadow-2);
}
.nav-panel::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  border-radius:20px 20px 0 0;
  background:linear-gradient(90deg,rgba(255,90,31,0) 0%,#FF5A1F 22%,#FF7A2F 52%,#12D6C0 88%,rgba(18,214,192,0) 100%);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;
  border-radius:13px;
  display:grid;place-items:center;
  background-image:var(--grad-brand);
  color:#fff;
  font-weight:800;
  font-size:15px;
  letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(255,90,31,.30);
}
.brand-text{
  display:flex;
  flex-direction:column;
  color:#fff;
  font-size:16px;
  font-weight:700;
  line-height:1.24;
  letter-spacing:-.3px;
}
.brand-text small{
  font-size:11px;
  font-weight:400;
  letter-spacing:.4px;
  color:rgba(255,255,255,.55);
}
.nav-links{display:flex;align-items:center;gap:8px;flex:1;justify-content:center;}
.nav-card{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border-radius:14px;
  border-left:2px solid transparent;
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.86);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.nav-card i{color:var(--brand-400);font-size:14px;}
.nav-card:hover,.nav-card:focus{background:rgba(255,255,255,.12);border-left-color:var(--brand-500);color:#fff;}
.nav-card.active{background:rgba(255,90,31,.18);border-left-color:var(--brand-500);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  color:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background .18s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  text-align:center;
  transition:transform .16s ease-out,box-shadow .16s ease-out,background-color .16s ease-out,filter .16s ease-out,border-color .16s ease-out;
}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-lg{padding:17px 38px;font-size:16.5px;}
.btn-primary{
  background-image:var(--grad-brand);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,90,31,.28);
}
.btn-primary:hover,.btn-primary:focus{
  color:#fff;
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,90,31,.24);}
.btn-ghost{
  background:#fff;
  border-color:var(--line);
  color:var(--ink);
  box-shadow:var(--shadow-1);
}
.btn-ghost:hover,.btn-ghost:focus{background:#FFF3EA;border-color:var(--brand-400);color:var(--brand-600);}
.btn-outline-light{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-outline-light:hover,.btn-outline-light:focus{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;filter:none;box-shadow:none;}
.btn.is-loading{color:transparent;position:relative;}
.btn.is-loading::after{
  content:"";
  position:absolute;
  width:16px;height:16px;
  border-radius:50%;
  border:2px solid rgba(255,255,255,.4);
  border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ============ 分类首屏 ============ */
.hero-wrap{padding:10px 0 0;}
.cat-hero{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  padding:76px 56px;
  color:#fff;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-2);
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(22,24,29,.88) 0%,rgba(232,70,13,.68) 56%,rgba(18,214,192,.42) 100%);
}
.cat-hero__inner{position:relative;z-index:1;max-width:760px;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  line-height:1.6;
  color:rgba(255,255,255,.72);
  margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.72);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb i{font-size:10px;opacity:.75;}
.cat-hero h1{
  font-size:44px;
  line-height:1.24;
  font-weight:800;
  letter-spacing:-1px;
  margin-bottom:18px;
}
.cat-hero .hero-sub{
  font-size:17.5px;
  line-height:1.8;
  color:rgba(255,255,255,.88);
  max-width:620px;
  margin-bottom:30px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:14px 26px;
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.18);
  font-size:14px;
  color:rgba(255,255,255,.78);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--yellow-400);}

/* ============ 锚点导览 ============ */
.anchor-bar{padding:34px 0 0;}
.anchor-list{display:flex;flex-wrap:wrap;gap:12px;}
.anchor-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink);
  font-size:14px;
  font-weight:500;
  box-shadow:var(--shadow-1);
  transition:transform .16s ease-out,border-color .16s var(--ease),background-color .16s var(--ease);
}
.anchor-chip i{color:var(--brand-500);font-size:13px;}
.anchor-chip:hover{color:var(--brand-600);border-color:var(--brand-400);background:#FFF3EA;transform:translateY(-2px);}

/* ============ 板块标题 ============ */
.section-head{max-width:760px;margin:0 auto 44px;}
.section-head--center{text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,90,31,.10);
  color:var(--brand-600);
  font-size:13px;
  font-weight:600;
  margin-bottom:16px;
}
.section-title{font-size:28px;line-height:1.36;font-weight:700;}
.section-sub{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.82;}
.section-sub__last{margin-bottom:0;}

/* ============ 时间轴 ============ */
.timeline{padding-top:6px;}
.tl-item{position:relative;padding-left:96px;padding-bottom:30px;}
.tl-item::before{
  content:"";
  position:absolute;
  left:27px;
  top:70px;
  bottom:6px;
  width:2px;
  background:linear-gradient(180deg,rgba(255,90,31,.55),rgba(18,214,192,.34));
  border-radius:2px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item:last-child::before{display:none;}
.tl-num{
  position:absolute;
  left:0;top:0;
  width:56px;height:56px;
  border-radius:18px;
  display:grid;place-items:center;
  background-image:var(--grad-brand);
  color:#fff;
  font-size:20px;
  font-weight:800;
  box-shadow:0 10px 22px rgba(255,90,31,.26);
}
.tl-card{
  background:#fff;
  border:1px solid rgba(232,228,222,.8);
  border-radius:var(--radius-md);
  padding:24px 28px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.tl-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.tl-card h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.tl-card p{color:var(--muted);font-size:15.5px;line-height:1.86;margin:0;}
.tl-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(18,214,192,.14);
  color:#0B7C70;
  font-size:12.5px;
  font-weight:600;
}

/* ============ 呼吸图带 ============ */
.breather{padding:16px 0;}
.breather-media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  min-height:340px;
  display:grid;
  place-items:center;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-2);
}
.breather-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(22,24,29,.84) 0%,rgba(232,70,13,.48) 62%,rgba(18,214,192,.34) 100%);
}
.breather-inner{position:relative;z-index:1;max-width:700px;padding:60px 32px;text-align:center;color:#fff;}
.breather-inner h2{font-size:26px;line-height:1.4;font-weight:700;margin-bottom:14px;}
.breather-inner p{margin:0;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.85);}

/* ============ 等级速览 ============ */
.tier-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:32px;align-items:start;}
.tier-aside{
  position:sticky;
  top:110px;
  background:#fff;
  border:1px solid rgba(232,228,222,.85);
  border-radius:var(--radius-lg);
  padding:18px;
  box-shadow:var(--shadow-1);
}
.tier-aside img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-sm);}
.tier-aside h3{font-size:18px;font-weight:600;margin:18px 0 10px;}
.tier-aside p{font-size:14.5px;line-height:1.82;color:var(--muted);margin:0;}
.tier-list{display:flex;flex-direction:column;gap:20px;}
.tier-item{
  background:#fff;
  border:1px solid rgba(232,228,222,.85);
  border-radius:var(--radius-lg);
  padding:26px 28px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.tier-item:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);}
.tier-item__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-bottom:16px;
  margin-bottom:18px;
  border-bottom:1px dashed var(--line);
}
.tier-item__top h3{font-size:20px;font-weight:700;margin-bottom:4px;}
.tier-price{font-size:13px;color:var(--muted);margin:0;}
.tier-count{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,90,31,.10);
  color:var(--brand-600);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.tier-benefits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px;}
.tier-benefits li{position:relative;padding-left:24px;font-size:15px;line-height:1.72;color:var(--ink);}
.tier-benefits li::before{
  content:"✓";
  position:absolute;
  left:0;top:1px;
  color:var(--brand-500);
  font-size:14px;
  font-weight:700;
}

/* ============ 数据徽章 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat-card{
  background:#fff;
  border:1px solid rgba(232,228,222,.85);
  border-radius:var(--radius-md);
  padding:26px 22px;
  text-align:center;
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.stat-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);}
.stat-num{font-size:34px;font-weight:800;line-height:1.1;color:var(--brand-600);letter-spacing:-1px;}
.stat-num span{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0;}
.stat-label{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.65;}

/* ============ CTA 大卡 ============ */
.cta-block{padding:0 0 88px;}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  padding:72px 40px;
  text-align:center;
  color:#fff;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-3);
}
.cta-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(22,24,29,.86) 0%,rgba(232,70,13,.72) 58%,rgba(18,214,192,.42) 100%);
}
.cta-card__inner{position:relative;z-index:1;max-width:680px;margin:0 auto;}
.cta-title{font-size:28px;line-height:1.36;font-weight:800;margin-bottom:14px;}
.cta-sub{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.86);margin-bottom:30px;}
.cta-note{margin:18px 0 0;font-size:13.5px;color:rgba(255,255,255,.78);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.7);padding:72px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-desc{font-size:14.5px;line-height:1.84;color:rgba(255,255,255,.62);max-width:360px;margin:0;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:rgba(255,255,255,.62);}
.footer-contact i{color:var(--brand-400);margin-right:8px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover,.footer-col a:focus{color:var(--brand-400);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-links{
    display:none;
    position:absolute;
    left:0;right:0;
    top:calc(100% + 10px);
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    padding:14px;
    border-radius:var(--radius-md);
    background:#fff;
    box-shadow:var(--shadow-3);
    z-index:70;
  }
  .nav-links.is-open{display:flex;}
  .nav-card{
    background:var(--bg);
    color:var(--ink);
    padding:14px 16px;
    border-radius:14px;
    font-size:15px;
  }
  .nav-card:hover,.nav-card:focus{background:#FFF3EA;color:var(--brand-600);border-left-color:var(--brand-500);}
  .nav-card.active{background:#FFF3EA;color:var(--brand-600);border-left-color:var(--brand-500);}
  .nav-card i{color:var(--brand-500);}
  .nav-toggle{display:inline-flex;}
  .cat-hero{padding:60px 40px;}
  .cat-hero h1{font-size:36px;}
  .section{padding:72px 0;}
  .tier-layout{grid-template-columns:1fr;}
  .tier-aside{position:static;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}

@media (max-width:767px){
  .cat-hero{padding:48px 26px;}
  .cat-hero::after{background:linear-gradient(150deg,rgba(22,24,29,.9) 0%,rgba(232,70,13,.72) 68%,rgba(18,214,192,.38) 100%);}
  .cat-hero h1{font-size:30px;letter-spacing:-.6px;}
  .cat-hero .hero-sub{font-size:16px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{width:100%;}
  .section{padding:60px 0;}
  .section-title{font-size:24px;}
  .tl-item{padding-left:78px;}
  .tl-num{width:52px;height:52px;border-radius:16px;font-size:18px;}
  .tl-item::before{left:25px;top:64px;}
  .tl-card{padding:20px 22px;}
  .tier-benefits{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-card{padding:56px 26px;}
  .cta-title{font-size:24px;}
  .breather-inner{padding:48px 22px;}
  .breather-inner h2{font-size:22px;}
}

@media (max-width:519px){
  .container{padding:0 16px;}
  .nav-panel{padding:12px 14px;gap:12px;}
  .brand-text{font-size:14.5px;}
  .brand-text small{font-size:10px;}
  .brand-mark{width:38px;height:38px;font-size:13px;}
  .cat-hero{padding:38px 20px;border-radius:22px;}
  .cat-hero h1{font-size:25px;line-height:1.3;}
  .hero-meta{gap:10px 18px;font-size:13px;}
  .anchor-bar{padding-top:24px;}
  .anchor-chip{font-size:13px;padding:9px 15px;}
  .section{padding:52px 0;}
  .section-title{font-size:22px;}
  .tl-item{padding-left:66px;padding-bottom:24px;}
  .tl-num{width:44px;height:44px;font-size:16px;border-radius:14px;}
  .tl-item::before{left:21px;top:54px;}
  .tl-card{padding:18px 18px;}
  .tl-card h3{font-size:18px;}
  .tier-item{padding:20px 18px;}
  .tier-item__top h3{font-size:18px;}
  .stat-num{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .cta-card{padding:44px 20px;}
  .cta-title{font-size:21px;}
}

/* roulang page: category3 */
:root{
  --brand-400:#FF7A2F;
  --brand-500:#FF5A1F;
  --brand-600:#E8460D;
  --cyan-500:#12D6C0;
  --yellow:#FFD84D;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --dark:#16181D;
  --text:#1E2227;
  --muted:#6B7280;
  --line:#E8E4DE;
  --soft:#FAF8F5;
  --tint:#FFF3EA;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(22,24,29,.06);
  --sh-2:0 12px 28px rgba(22,24,29,.10);
  --sh-3:0 18px 40px rgba(22,24,29,.14);
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FF7A2F 52%,#12D6C0 100%);
  --sect:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:-.2px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.5px;line-height:1.3;}
h1{font-size:36px;font-weight:800;}
h2{font-size:28px;font-weight:700;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
h4{font-size:17px;font-weight:600;line-height:1.45;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.sect{padding:var(--sect) 0;}
.sect-tight{padding:56px 0 0;}
.sect-head{max-width:760px;margin-bottom:32px;}
.sect-head h2{margin-bottom:14px;}
.sect-head p{color:var(--muted);font-size:16px;line-height:1.8;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:1px;
  color:var(--brand-600);background:var(--tint);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:14px;text-transform:uppercase;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .16s ease-out,box-shadow .16s ease-out,background-color .16s ease-out,filter .16s ease-out;white-space:nowrap;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(232,70,13,.28);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 28px rgba(232,70,13,.34);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(232,70,13,.24);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text);box-shadow:var(--sh-1);}
.btn-ghost:hover{background:var(--tint);border-color:#FFD9C2;color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline-light{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.45);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);color:#fff;}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-lg{padding:17px 34px;font-size:16px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,.accordion-title:focus-visible{
  outline:2px solid var(--brand-400);outline-offset:2px;}
.btn[disabled],.btn.is-loading{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-600);
  text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:3px;text-decoration-color:rgba(255,122,47,.35);}
.link-more:hover{text-decoration-color:var(--brand-500);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0 12px;
  background:rgba(247,245,242,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);}
.nav-panel{position:relative;display:flex;align-items:center;gap:16px;
  background:var(--dark);border-radius:20px;padding:12px 14px;box-shadow:var(--sh-2);}
.nav-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;border-radius:20px 20px 0 0;background:var(--grad);}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{width:42px;height:42px;border-radius:14px;background:var(--grad);color:#fff;
  font-weight:800;font-size:16px;display:grid;place-items:center;letter-spacing:-.5px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;color:#fff;font-size:16px;font-weight:700;line-height:1.25;}
.brand-text small{font-size:11px;font-weight:400;color:rgba(255,255,255,.55);letter-spacing:.6px;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-card{display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;
  background:rgba(255,255,255,.06);color:rgba(255,255,255,.82);font-size:14px;font-weight:500;
  box-shadow:inset 2px 0 0 rgba(255,122,47,0);
  transition:background-color .16s ease-out,color .16s ease-out,box-shadow .16s ease-out;}
.nav-card i{font-size:15px;color:var(--brand-400);}
.nav-card:hover{background:rgba(255,255,255,.12);color:#fff;box-shadow:inset 2px 0 0 var(--brand-500);}
.nav-card.active{background:rgba(255,90,31,.18);color:#fff;box-shadow:inset 2px 0 0 var(--brand-500);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:14px;border:0;background:rgba(255,255,255,.1);
  color:#fff;cursor:pointer;font-size:16px;place-items:center;}
.nav-toggle:hover{background:rgba(255,255,255,.18);}

/* ---------- Hero ---------- */
.cat-hero{padding-top:22px;}
.hero-inner{position:relative;border-radius:28px;overflow:hidden;padding:64px 48px 60px;color:#fff;
  background-image:linear-gradient(135deg,rgba(22,24,29,.90) 0%,rgba(232,70,13,.78) 55%,rgba(18,214,192,.58) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;box-shadow:var(--sh-3);}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:rgba(255,255,255,.68);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);font-size:12.5px;font-weight:600;margin-bottom:18px;}
.hero-tag i{color:var(--yellow);}
.hero-inner h1{color:#fff;font-size:36px;line-height:1.35;max-width:700px;margin-bottom:18px;}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.88);max-width:620px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;}

/* ---------- 锚点条 ---------- */
.anchor-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:22px 0 0;}
.anchor-label{font-size:12.5px;font-weight:700;letter-spacing:1px;color:var(--muted);margin-right:4px;}
.anchor-chip{padding:9px 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  color:var(--text);font-size:14px;font-weight:500;box-shadow:var(--sh-1);
  transition:background-color .16s ease-out,transform .16s ease-out,border-color .16s ease-out,color .16s ease-out;}
.anchor-chip:hover{background:var(--tint);border-color:#FFD9C2;color:var(--brand-600);transform:translateY(-2px);}

/* ---------- 数据徽章带 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-badge{display:flex;align-items:center;gap:14px;padding:14px 22px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);transition:box-shadow .16s ease-out,transform .16s ease-out;}
.stat-badge:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.stat-num{font-size:30px;font-weight:800;color:var(--brand-600);line-height:1;}
.stat-num span{font-size:14px;font-weight:700;margin-left:2px;}
.stat-desc{font-size:13.5px;color:var(--muted);line-height:1.5;}

/* ---------- 分栏对照 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start;}
.split-note h2{margin-bottom:16px;}
.split-note p{color:#4A5058;font-size:15.5px;line-height:1.85;margin-bottom:16px;}
.note-list{margin:22px 0 26px;display:grid;gap:12px;}
.note-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#3F4650;line-height:1.7;}
.note-list li i{color:var(--brand-500);font-size:14px;margin-top:5px;}
.note-figure{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);margin-top:6px;}
.note-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.note-figure figcaption{font-size:12.5px;color:var(--muted);padding:10px 4px 0;text-align:center;}

.vs-group{display:grid;gap:20px;}
.vs-card{position:relative;background:#fff;border:1.5px solid var(--line);border-radius:var(--r-lg);
  padding:26px 26px 22px;box-shadow:var(--sh-1);transition:box-shadow .2s ease-out,transform .2s ease-out;}
.vs-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.vs-card.featured{border:2px solid transparent;margin-top:-6px;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;box-shadow:var(--sh-2);}
.vs-flag{position:absolute;top:-12px;right:24px;padding:5px 14px;border-radius:var(--r-pill);
  background:var(--yellow);color:#3A2A00;font-size:12px;font-weight:800;letter-spacing:.5px;box-shadow:0 6px 14px rgba(255,216,77,.45);}
.vs-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-bottom:14px;border-bottom:1px solid var(--line);}
.vs-top h3{font-size:19px;}
.vs-price{font-size:13px;font-weight:700;color:var(--brand-600);background:var(--tint);border-radius:var(--r-pill);padding:5px 12px;}
.check-list{display:grid;gap:11px;margin-top:16px;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;line-height:1.6;color:#333A42;}
.check-icon{flex:0 0 20px;width:20px;height:20px;border-radius:var(--r-pill);display:grid;place-items:center;
  font-size:10px;color:#fff;background:var(--brand-500);margin-top:3px;}
.check-row.no{color:var(--muted);}
.check-row.no .check-icon{background:#EFEBE5;color:#9AA0A6;}
.vs-foot{margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);}
.vs-foot .btn{width:100%;}

/* ---------- 通栏呼吸段 ---------- */
.breather{border-radius:28px;overflow:hidden;color:#fff;padding:56px 48px;
  background-image:linear-gradient(135deg,rgba(22,24,29,.88) 0%,rgba(232,70,13,.72) 60%,rgba(18,214,192,.52) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;box-shadow:var(--sh-3);}
.breather h2{color:#fff;font-size:26px;margin-bottom:12px;}
.breather p{color:rgba(255,255,255,.85);font-size:15.5px;max-width:640px;line-height:1.85;}
.breather-points{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px;}
.bp-item{padding:18px 20px;border-radius:var(--r-md);background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.2);}
.bp-item strong{display:block;font-size:20px;font-weight:800;color:var(--yellow);font-variant-numeric:tabular-nums;line-height:1.3;}
.bp-item span{font-size:13.5px;color:rgba(255,255,255,.8);}

/* ---------- 口径表格 ---------- */
.spec-table{background:#fff;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--line);}
.spec-table th{background:var(--dark);color:#fff;font-size:15px;font-weight:600;text-align:left;padding:18px 24px;}
.spec-table td{padding:18px 24px;font-size:14.5px;color:#3F4650;border-top:1px solid var(--line);}
.spec-table tbody tr:nth-child(odd){background:var(--soft);}
.spec-table tbody tr:nth-child(even){background:#fff;}
.spec-table td:first-child{font-weight:600;color:var(--text);}
.spec-table .tag-cell{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:var(--brand-600);
  background:var(--tint);border-radius:var(--r-pill);padding:4px 12px;}

/* ---------- FAQ ---------- */
.accordion{margin:0;padding:0;list-style:none;background:transparent;border:0;}
.accordion .accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s ease-out;}
.accordion .accordion-item:hover{box-shadow:var(--sh-2);}
.accordion .accordion-title{position:relative;display:block;padding:22px 64px 22px 24px;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.5;background:transparent;border:0;}
.accordion .accordion-title::before{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:var(--r-pill);background:var(--tint);color:var(--brand-600);
  font-weight:800;font-size:15px;display:grid;place-items:center;line-height:1;transition:transform .2s ease-out,background-color .2s ease-out;}
.accordion .accordion-item.is-active .accordion-title::before{content:"−";background:var(--brand-500);color:#fff;}
.accordion .accordion-content{display:none;padding:0 24px 24px;background:var(--soft);
  border-top:1px solid #F0ECE6;font-size:14.8px;line-height:1.9;color:#414850;}
.accordion .accordion-item.is-active>.accordion-content{display:block;}

/* ---------- CTA 大卡 ---------- */
.cta-card{position:relative;border-radius:28px;overflow:hidden;padding:60px 48px;text-align:center;color:#fff;
  background-image:linear-gradient(135deg,rgba(22,24,29,.90) 0%,rgba(232,70,13,.78) 58%,rgba(18,214,192,.56) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;box-shadow:var(--sh-3);}
.cta-card h2{color:#fff;font-size:28px;margin-bottom:14px;}
.cta-card p{color:rgba(255,255,255,.86);font-size:15.5px;max-width:620px;margin:0 auto 30px;line-height:1.8;}
.cta-assure{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.75);}
.cta-assure i{color:var(--cyan-500);margin-right:6px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);margin-top:96px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;font-size:16.5px;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:330px;}
.footer-contact{margin-top:18px;display:grid;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6);}
.footer-contact i{color:var(--brand-400);margin-right:8px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .16s ease-out;}
.footer-col a:hover{color:var(--brand-400);}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sect:72px;}
  .container{padding:0 24px;}
  h1{font-size:30px;}
  .hero-inner h1{font-size:30px;}
  h2{font-size:24px;}
  .nav-links{position:fixed;left:0;right:0;top:0;bottom:0;z-index:90;display:none;
    flex-direction:column;align-items:stretch;gap:12px;padding:96px 20px 28px;
    background:var(--bg);overflow-y:auto;margin-left:0;}
  .nav-links.open{display:flex;}
  .nav-links .nav-card{background:#fff;color:var(--text);padding:18px 20px;border-radius:var(--r-md);
    font-size:16px;font-weight:600;box-shadow:var(--sh-1);box-shadow:var(--sh-1);}
  .nav-links .nav-card i{font-size:18px;}
  .nav-links .nav-card:hover,.nav-links .nav-card.active{background:var(--tint);color:var(--brand-600);box-shadow:inset 3px 0 0 var(--brand-500);}
  .nav-toggle{display:grid;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:34px;}
  .breather-points{grid-template-columns:1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-inner{padding:48px 32px;}
  .breather,.cta-card{padding:44px 32px;}
}
@media (max-width:768px){
  .spec-table thead{display:none;}
  .spec-table,.spec-table tbody,.spec-table tr,.spec-table td{display:block;width:100%;}
  .spec-table{border:0;box-shadow:none;background:transparent;overflow:visible;}
  .spec-table tr{background:#fff !important;border:1px solid var(--line);border-radius:var(--r-md);
    box-shadow:var(--sh-1);margin-bottom:14px;padding:8px 18px;}
  .spec-table td{border-top:0;padding:10px 0;display:flex;justify-content:space-between;gap:16px;text-align:right;}
  .spec-table td::before{content:attr(data-label);color:var(--muted);font-weight:600;font-size:13.5px;text-align:left;}
  .spec-table td:first-child{font-size:15.5px;border-bottom:1px solid var(--line);padding-top:14px;padding-bottom:12px;}
  .spec-table td:first-child::before{content:attr(data-label);}
}
@media (max-width:640px){
  :root{--sect:56px;}
  .container{padding:0 16px;}
  h1{font-size:25px;}
  .hero-inner h1{font-size:25px;line-height:1.4;}
  .hero-sub{font-size:15.5px;}
  h2{font-size:21px;}
  h3{font-size:18px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .stat-badge{padding:12px 16px;gap:10px;}
  .stat-num{font-size:22px;}
  .stat-num span{font-size:12px;}
  .stat-desc{font-size:12px;}
  .vs-card{padding:22px 18px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .breather,.cta-card,.hero-inner{padding:34px 20px;border-radius:22px;}
  .site-footer{margin-top:56px;padding:44px 0 24px;}
  .accordion .accordion-title{padding:18px 56px 18px 18px;font-size:16px;}
  .accordion .accordion-content{padding:0 18px 20px;}
}