/* roulang page: index */
:root{
  --brand:#FF5A1F;
  --brand-deep:#E8450C;
  --brand-soft:#FFE7DC;
  --ink:#0F3B33;
  --ink-deep:#08241F;
  --accent:#C9F24D;
  --bg:#FDF8F2;
  --bg-warm:#FFF4EC;
  --card:#FFFFFF;
  --line:#ECE3D8;
  --text:#2A2A28;
  --muted:#6E6A62;
  --grad-brand:linear-gradient(135deg,#FF7A2F 0%,#FF4D1C 55%,#E8450C 100%);
  --grad-ink:linear-gradient(120deg,#0F3B33 0%,#123F35 60%,#0B2E27 100%);
  --r-xl:28px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,59,51,.04),0 8px 24px rgba(15,59,51,.06);
  --sh-2:0 18px 48px rgba(15,59,51,.12);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:var(--brand-soft);color:var(--brand-deep);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--warm{background:var(--bg-warm);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 26px;border-radius:var(--r-md);
  font-weight:600;font-size:16px;line-height:1.2;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn i{font-size:14px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(232,69,12,.24);}
.btn-primary:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(232,69,12,.32);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(232,69,12,.22);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-4px);box-shadow:var(--sh-1);}
.btn-outline:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-4px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(0);box-shadow:none;}
.btn-lime{background:var(--accent);color:var(--ink-deep);border-color:var(--accent);font-weight:700;}
.btn-lime:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(201,242,77,.28);}
.btn-lime:active{transform:translateY(0);box-shadow:none;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;padding:0;background:none;border:0;}
.btn-text i{transition:transform var(--t);font-size:13px;}
.btn-text:hover{color:var(--brand-deep);}
.btn-text:hover i{transform:translateX(3px);}

/* ---------- 头部 & 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:var(--sh-1);backdrop-filter:saturate(160%) blur(8px);}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:76px;}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);
  color:#fff;font-weight:900;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(232,69,12,.28);letter-spacing:-.5px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.2px;}
.logo-text span{font-size:11.5px;color:var(--muted);letter-spacing:.09em;}
.nav-drawer{display:flex;align-items:center;justify-content:space-between;flex:1;gap:24px;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;color:#3C4A45;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand-deep);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2.5px;border-radius:2px;background:var(--grad-brand);
}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:48px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--t),opacity var(--t);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-scrim{display:none;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 88px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(15,59,51,.06) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.7;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:560px;height:560px;right:-160px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.18),transparent 68%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:700;letter-spacing:.04em;
  padding:8px 16px;border-radius:var(--r-pill);margin-bottom:22px;
}
.eyebrow i{font-size:12px;}
.hero h1{
  font-size:48px;line-height:1.18;font-weight:900;letter-spacing:-.9px;color:var(--ink);
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;position:relative;color:var(--brand-deep);white-space:nowrap;}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;border-radius:6px;
  background:linear-gradient(90deg,rgba(201,242,77,.85),rgba(201,242,77,.25));z-index:-1;
}
.hero-sub{font-size:19px;color:var(--muted);max-width:520px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.stat-badges{display:flex;flex-wrap:wrap;gap:12px;}
.stat-badge{
  display:flex;flex-direction:column;justify-content:center;gap:2px;
  padding:12px 18px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);min-width:132px;
}
.stat-badge b{font-size:22px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-badge span{font-size:13px;color:var(--muted);line-height:1.4;}
.stat-badge--lime{background:var(--accent);border-color:var(--accent);}
.stat-badge--lime b{color:var(--ink-deep);}
.stat-badge--lime span{color:#2E4B42;}
.hero-media{position:relative;}
.hero-visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);
  aspect-ratio:5/4;background:var(--ink-deep);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(255,122,47,.34) 0%,rgba(255,122,47,.05) 45%,rgba(15,59,51,.30) 100%);
}
.float-card{
  position:absolute;right:-14px;bottom:-26px;width:214px;
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-2);border:1px solid var(--line);
  padding:12px;animation:floaty 5.5s ease-in-out infinite;
}
.float-card img{border-radius:12px;aspect-ratio:16/10;object-fit:cover;margin-bottom:10px;}
.float-card b{display:block;font-size:14px;color:var(--ink);line-height:1.45;}
.float-card span{font-size:12px;color:var(--muted);}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-9px);}}

/* ---------- 深色主张带 ---------- */
.band{background:var(--grad-ink);color:#EFEAE0;padding:52px 0;}
.band-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;}
.band-title{font-size:27px;font-weight:800;line-height:1.4;color:#fff;max-width:560px;letter-spacing:-.3px;}
.band-title span{color:var(--accent);}
.band-points{display:flex;flex-wrap:wrap;gap:18px;}
.band-point{display:flex;align-items:center;gap:10px;font-size:15px;color:#D9D3C6;}
.band-point i{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(201,242,77,.14);color:var(--accent);font-size:14px;
}

/* ---------- 板块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.section-head .label{
  display:block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);margin-bottom:10px;text-transform:uppercase;
}
.section-title{font-size:32px;font-weight:800;line-height:1.25;color:var(--ink);letter-spacing:-.6px;max-width:720px;}
.section-desc{font-size:16px;color:var(--muted);max-width:620px;margin-top:12px;}

/* ---------- 故事区 ---------- */
.story-row{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;margin-bottom:64px;}
.story-row:last-child{margin-bottom:0;}
.story-row--flip{grid-template-columns:5fr 7fr;}
.story-index{
  font-size:14px;font-weight:800;letter-spacing:.16em;color:var(--brand);
  display:inline-block;padding-bottom:8px;border-bottom:2px solid var(--brand-soft);margin-bottom:16px;
}
.story-row h3{font-size:24px;font-weight:800;color:var(--ink);line-height:1.4;margin-bottom:14px;letter-spacing:-.3px;}
.story-row p{color:var(--muted);margin-bottom:16px;}
.story-figure{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--line);aspect-ratio:4/3;}
.story-figure img{width:100%;height:100%;object-fit:cover;}
.story-figure figcaption{
  position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.92);
  padding:7px 14px;border-radius:var(--r-pill);font-size:13px;color:var(--ink);font-weight:600;
}

/* ---------- Bento 精选 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-main{
  grid-column:span 8;grid-row:span 2;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.bento-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#FFD3C0;}
.bento-main .bento-img{aspect-ratio:16/9;overflow:hidden;}
.bento-main .bento-img img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.bento-main:hover .bento-img img{transform:scale(1.04);}
.bento-body{padding:28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.bento-body h3{font-size:23px;font-weight:800;color:var(--ink);line-height:1.4;letter-spacing:-.3px;}
.bento-body p{color:var(--muted);font-size:15.5px;}
.bento-side{
  grid-column:span 4;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:26px;display:flex;flex-direction:column;gap:12px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.bento-side:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#FFD3C0;}
.bento-side .icon-box{
  width:48px;height:48px;border-radius:14px;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.bento-side h3{font-size:19px;font-weight:800;color:var(--ink);line-height:1.45;}
.bento-side p{font-size:15px;color:var(--muted);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);
}
.tag--ink{background:#E4EFEA;color:var(--ink);}
.tag--lime{background:var(--accent);color:var(--ink-deep);}

/* ---------- 资讯列表 ---------- */
.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-lg);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#FFD3C0;}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1);}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:18px;font-weight:800;color:var(--ink);line-height:1.5;letter-spacing:-.2px;}
.news-title a:hover{color:var(--brand-deep);}
.news-sum{
  font-size:15px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--muted);
}
.news-meta .btn-text{font-size:13.5px;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:64px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state i{font-size:38px;color:rgba(255,90,31,.32);}
.empty-state p{color:var(--muted);font-size:15.5px;}

/* ---------- 信任背书 ---------- */
.trust-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:48px;}
.trust-stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);
}
.trust-stat b{display:block;font-size:34px;font-weight:900;color:var(--brand-deep);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-1px;}
.trust-stat span{display:block;margin-top:8px;font-size:14px;color:var(--muted);}
.trust-stat--ink{background:var(--ink);border-color:var(--ink);}
.trust-stat--ink b{color:var(--accent);}
.trust-stat--ink span{color:#C9C4B8;}
.logo-row{
  display:flex;flex-wrap:wrap;gap:14px;padding:22px 0 40px;border-bottom:1px solid var(--line);margin-bottom:48px;
}
.logo-chip{
  flex:1 1 180px;text-align:center;padding:16px 18px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);color:#8A857B;font-size:14.5px;font-weight:700;letter-spacing:.06em;
  transition:color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.logo-chip:hover{color:var(--ink);border-color:#CFC5B6;transform:translateY(-3px);box-shadow:var(--sh-1);}
.trust-cols{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.trust-cols h3{font-size:22px;font-weight:800;color:var(--ink);line-height:1.45;letter-spacing:-.3px;}
.trust-cols p{color:var(--muted);margin-bottom:16px;}
.trust-cols p:last-child{margin-bottom:0;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-intro p{color:var(--muted);margin:14px 0 24px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:#FFD3C0;box-shadow:var(--sh-1);}
.faq-item.is-open{border-color:#FFD3C0;box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;
}
.faq-item.is-open .faq-q{color:var(--brand-deep);}
.faq-q i{font-size:14px;color:var(--brand);transition:transform var(--t);flex:0 0 auto;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.2,.7,.3,1);background:var(--bg-warm);}
.faq-a-inner{padding:4px 24px 22px;border-left:3px solid var(--brand);}
.faq-a-inner p{font-size:15.5px;color:#575149;line-height:1.85;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-xl);padding:48px;
  display:grid;grid-template-columns:1fr auto;gap:44px;align-items:center;
  box-shadow:0 24px 60px rgba(232,69,12,.28);color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 65%);
}
.cta-band h2{font-size:30px;font-weight:900;color:#fff;line-height:1.3;margin-bottom:12px;letter-spacing:-.5px;position:relative;}
.cta-band p.lead{color:rgba(255,255,255,.9);font-size:16px;max-width:520px;margin-bottom:26px;position:relative;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;position:relative;max-width:560px;}
.cta-form input{
  flex:1 1 240px;min-height:48px;border-radius:var(--r-md);border:1.5px solid transparent;
  background:#fff;padding:12px 18px;color:var(--text);font-size:15.5px;
}
.cta-form input::placeholder{color:#A8A29A;}
.cta-form input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(15,59,51,.16);}
.cta-note{font-size:12px;color:rgba(255,255,255,.82);margin-top:14px;position:relative;}
.qr-card{
  position:relative;background:#fff;border-radius:var(--r-lg);padding:22px;text-align:center;
  box-shadow:var(--sh-2);min-width:212px;
}
.qr-code{
  position:relative;width:136px;height:136px;margin:0 auto 14px;border-radius:12px;
  background-color:#fff;border:1px solid var(--line);
  background-image:
    radial-gradient(circle,var(--ink) 42%,transparent 44%),
    radial-gradient(circle,var(--ink) 42%,transparent 44%);
  background-size:18px 18px;
  background-position:0 0,9px 9px;
  opacity:.86;
}
.qr-code::before,.qr-code::after{
  content:"";position:absolute;width:32px;height:32px;border:6px solid var(--ink);border-radius:7px;background:#fff;
}
.qr-code::before{left:6px;top:6px;}
.qr-code::after{right:6px;bottom:6px;}
.qr-card b{display:block;font-size:15px;font-weight:800;color:var(--ink);}
.qr-card span{font-size:12.5px;color:var(--muted);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-ink);color:#C9C4B8;padding:72px 0 28px;margin-top:96px;}
.footer-cols{display:grid;grid-template-columns:4fr 3fr 3fr 3fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo-mark{margin-bottom:16px;}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;margin-bottom:10px;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:#A9A398;max-width:300px;margin-bottom:18px;}
.footer-qr{
  display:inline-flex;align-items:center;gap:12px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);padding:10px 14px;
}
.footer-qr .mini-qr{
  width:46px;height:46px;border-radius:9px;background:#fff;
  background-image:radial-gradient(circle,var(--ink) 42%,transparent 44%),radial-gradient(circle,var(--ink) 42%,transparent 44%);
  background-size:11px 11px;background-position:0 0,5.5px 5.5px;
}
.footer-qr span{font-size:13px;color:#D3CDC2;}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:#C9C4B8;display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14.5px;color:#C9C4B8;display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:13.5px;color:#8E887E;
}
.footer-bottom a{color:#8E887E;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:42px;}
  .section-title{font-size:29px;}
}
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .nav-drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
    background:#fff;box-shadow:-18px 0 48px rgba(15,59,51,.16);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:88px 24px 28px;gap:20px;transform:translateX(102%);
    transition:transform 240ms cubic-bezier(.2,.7,.3,1);z-index:90;overflow-y:auto;
  }
  .nav-drawer.is-open{transform:translateX(0);}
  .nav-links{flex-direction:column;align-items:stretch;gap:6px;}
  .nav-link{padding:13px 16px;font-size:16px;border-radius:var(--r-md);}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:var(--brand-soft);color:var(--brand-deep);}
  .nav-cta{flex-direction:column;align-items:stretch;margin-top:auto;padding-top:20px;border-top:1px solid var(--line);}
  .nav-cta .btn{width:100%;}
  .nav-scrim{
    display:block;position:fixed;inset:0;background:rgba(8,36,31,.42);
    opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:85;
  }
  .nav-scrim.is-open{opacity:1;visibility:visible;}
  .hero{padding:48px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero h1{font-size:36px;}
  .hero-sub{font-size:17.5px;}
  .hero-media{max-width:640px;}
  .float-card{right:12px;bottom:-22px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .story-row,.story-row--flip{grid-template-columns:1fr;gap:28px;}
  .story-row--flip .story-figure{order:-1;}
  .bento-main{grid-column:span 12;grid-row:auto;}
  .bento-side{grid-column:span 6;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .trust-stats{grid-template-columns:repeat(2,1fr);}
  .trust-cols,.faq-layout{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .qr-card{justify-self:start;min-width:auto;}
  .footer-cols{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .nav-inner{min-height:68px;gap:14px;}
  .logo-mark{width:36px;height:36px;font-size:17px;border-radius:10px;}
  .logo-text strong{font-size:15.5px;}
  .logo-text span{font-size:10.5px;}
  .hero{padding:36px 0 60px;}
  .hero h1{font-size:28px;letter-spacing:-.4px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .stat-badge{flex:1 1 44%;min-width:0;padding:10px 14px;}
  .stat-badge b{font-size:19px;}
  .float-card{position:static;width:100%;margin-top:16px;animation:none;}
  .band-title{font-size:21px;}
  .section-title{font-size:22px;}
  .section{padding:56px 0;}
  .bento-side{grid-column:span 12;}
  .news-grid{grid-template-columns:1fr;}
  .trust-stats{grid-template-columns:1fr;gap:14px;}
  .trust-stat b{font-size:28px;}
  .logo-row{gap:10px;}
  .logo-chip{flex:1 1 100%;}
  .cta-band{padding:28px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-form .btn{width:100%;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a-inner{padding:2px 18px 18px;}
  .footer-cols{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .story-row h3{font-size:20px;}
  .bento-body h3{font-size:19px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .btn:hover,.bento-main:hover,.bento-side:hover,.news-card:hover{transform:none;}
}

/* roulang page: article */
:root{
  --brand:#FF5A1F;
  --brand-deep:#E8450C;
  --brand-soft:#FFE7DC;
  --ink:#0F3B33;
  --ink-deep:#08241F;
  --accent:#C9F24D;
  --bg:#FDF8F2;
  --card:#FFFFFF;
  --line:#ECE3D8;
  --text:#2A2A28;
  --muted:#6E6A62;
  --grad:linear-gradient(135deg,#FF7A2F 0%,#FF4D1C 55%,#E8450C 100%);
  --grad-dark:linear-gradient(120deg,#0F3B33 0%,#123F35 60%,#0B2E27 100%);
  --r-xl:28px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,59,51,.04),0 8px 24px rgba(15,59,51,.06);
  --sh-2:0 18px 48px rgba(15,59,51,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  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 180ms var(--ease)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(253,248,242,.86);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:background 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.header-inner{display:flex;align-items:center;gap:28px;min-height:76px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:44px;height:44px;border-radius:13px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:900;
  box-shadow:0 8px 18px rgba(232,69,12,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:#3C3A35;white-space:nowrap;
  transition:background 180ms var(--ease),color 180ms var(--ease);
}
.nav-link:hover{background:#FFF1E9;color:var(--brand-deep)}
.nav-link.is-active{color:var(--brand-deep);background:#FFF1E9}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);
}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(232,69,12,.26)}
.btn-primary:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(232,69,12,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand-deep)}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-4px);box-shadow:var(--sh-1)}
.btn-outline:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#FFF4EC;color:var(--ink);border-color:#F3E4D8}
.btn-ghost:hover{background:#FFE7DC;color:var(--brand-deep);transform:translateY(-4px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(0);box-shadow:none}
.btn-pill{border-radius:var(--r-pill)}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:var(--r-md);
  background:#FFF4EC;border:1px solid #F3E4D8;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform 180ms var(--ease),opacity 180ms var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  box-shadow:var(--sh-1);
}
.nav-drawer.is-open{display:block}
.nav-drawer ul{padding:14px 24px 6px;display:flex;flex-direction:column;gap:2px}
.nav-drawer a{display:block;padding:12px 4px;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px solid #F5EEE6}
.nav-drawer a:hover{color:var(--brand-deep)}
.nav-drawer .drawer-cta{display:flex;gap:10px;padding:16px 24px 22px}
.nav-drawer .drawer-cta .btn{flex:1}

/* ---------- breadcrumb ---------- */
.page-top{padding:32px 0 0}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);line-height:1.7;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-deep)}
.breadcrumb .sep{color:#C7BFB4}
.breadcrumb .current{
  color:var(--ink);font-weight:600;max-width:420px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- article hero ---------- */
.article-hero{padding:22px 0 40px}
.article-hero .badge{margin-bottom:16px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.badge-soft{background:var(--brand-soft);color:var(--brand-deep)}
.badge-lime{background:var(--accent);color:var(--ink)}
.badge-line{background:#fff;color:var(--brand-deep);border:1px solid #F3D9CB}
.article-hero h1{
  font-size:40px;line-height:1.25;font-weight:900;color:var(--ink);
  max-width:900px;margin-bottom:18px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px 18px;
  font-size:14px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand);font-size:13px}
.article-hero .hero-rule{
  margin-top:26px;height:4px;width:96px;border-radius:4px;background:var(--grad);
}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;align-items:start;padding-bottom:40px;
}
.article-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);padding:44px 46px 38px;
}
.article-body{max-width:800px;font-size:17px;line-height:1.9;color:#33312E}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  font-size:26px;line-height:1.35;font-weight:800;color:var(--ink);
  margin:2.2em 0 .9em;padding-left:16px;position:relative;scroll-margin-top:100px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--grad);
}
.article-body h3{
  font-size:20px;line-height:1.4;font-weight:700;color:var(--ink);
  margin:1.8em 0 .7em;scroll-margin-top:100px;
}
.article-body h4{font-size:17px;font-weight:700;margin:1.5em 0 .6em;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.5em}
.article-body ul li{position:relative;margin-bottom:.55em;padding-left:0}
.article-body ul li::before{
  content:"";position:absolute;left:-1.15em;top:.75em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:.55em}
.article-body ol li::marker{color:var(--brand-deep);font-weight:700}
.article-body blockquote{
  margin:1.8em 0;padding:18px 24px;background:#FFF7F1;border-left:4px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--muted);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:1.6em auto;height:auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body th{background:#FFF4EC;color:var(--ink);font-weight:700}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 15px;text-align:left;vertical-align:top}
.article-body tbody tr:nth-child(even){background:#FDFAF6}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body code{background:#F5EFE7;border-radius:6px;padding:2px 6px;font-size:15px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

/* empty state */
.empty-state{text-align:center;padding:64px 20px}
.empty-state i{font-size:44px;color:rgba(255,90,31,.32);display:block;margin-bottom:18px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:16px;margin-bottom:24px}

/* tag row + share */
.article-foot{
  max-width:800px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
  background:#FFF4EC;border:1px solid #F3E4D8;color:var(--ink);font-size:13.5px;font-weight:600;
  transition:background 180ms var(--ease),color 180ms var(--ease),transform 180ms var(--ease);
}
.tag:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px)}
.action-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:#FDFAF6;border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 20px;
}
.action-bar .back-link{
  display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;color:var(--brand-deep);
}
.action-bar .back-link i{transition:transform 180ms var(--ease)}
.action-bar .back-link:hover i{transform:translateX(-3px)}
.share-group{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted)}
.share-group a{
  width:38px;height:38px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--muted);
  transition:transform 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.share-group a:hover{color:var(--brand-deep);border-color:#F3C9B4;transform:translateY(-4px);box-shadow:var(--sh-1)}

/* prev next */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:800px;margin-top:26px}
.pager a{
  display:flex;flex-direction:column;gap:8px;padding:22px 24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#F6CDB8}
.pager .dir{font-size:13px;font-weight:700;color:var(--brand-deep);letter-spacing:.04em;display:flex;align-items:center;gap:8px}
.pager .ttl{font-size:16px;font-weight:700;color:var(--ink);line-height:1.55}
.pager .next{align-items:flex-end;text-align:right}
.pager .next .dir{flex-direction:row-reverse}

/* ---------- sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:100px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:22px 22px 20px;
}
.side-card h3{
  font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.03em;
  display:flex;align-items:center;gap:9px;margin-bottom:14px;
}
.side-card h3 i{color:var(--brand);font-size:14px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--muted);
  padding:8px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease);
}
.toc-list a:hover{color:var(--brand-deep);background:#FFF7F1}
.toc-list a.is-current{color:var(--brand-deep);font-weight:700;border-left-color:var(--brand);background:#FFF7F1}
.hot-list{display:flex;flex-direction:column}
.hot-list a{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed #F0E7DC;
  font-size:14.5px;line-height:1.6;color:#3C3A35;font-weight:600;
  transition:color 180ms var(--ease),transform 180ms var(--ease);
}
.hot-list a:last-child{border-bottom:0;padding-bottom:0}
.hot-list a:hover{color:var(--brand-deep);transform:translateX(3px)}
.hot-list .idx{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;background:#FFF1E9;color:var(--brand-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:3px;
}
.side-cta{
  background:var(--grad);border:0;border-radius:var(--r-lg);padding:26px 24px;color:#fff;
  box-shadow:0 18px 40px rgba(232,69,12,.28);
}
.side-cta h3{color:#fff;margin-bottom:10px;font-size:19px;font-weight:800}
.side-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.9);margin-bottom:18px}
.side-cta .btn{
  width:100%;background:#fff;color:var(--brand-deep);border-color:#fff;font-weight:800;
}
.side-cta .btn:hover{background:#FFF4EC;transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.side-cta .btn:active{transform:translateY(0);box-shadow:none}
.side-cta .tip{font-size:12px;color:rgba(255,255,255,.78);margin:12px 0 0}

/* ---------- related ---------- */
.section{padding:72px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;
}
.section-head h2{font-size:30px;line-height:1.3;font-weight:900}
.section-head .sub{font-size:15px;color:var(--muted);margin-top:8px;max-width:640px}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--brand-deep);
}
.text-link i{transition:transform 180ms var(--ease)}
.text-link:hover i{transform:translateX(3px)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#F6CDB8}
.card:hover .thumb img{transform:scale(1.04)}
.thumb{position:relative;overflow:hidden;background:var(--brand-soft);aspect-ratio:16/10}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.thumb .thumb-badge{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);
  color:var(--brand-deep);font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#9A948A;padding-top:6px}
.card-meta .more{color:var(--brand-deep);font-weight:700}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{
  background:var(--grad);border-radius:var(--r-xl);padding:48px 52px;color:#fff;
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
  box-shadow:0 26px 60px rgba(232,69,12,.26);position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 68%);
}
.cta-inner h2{color:#fff;font-size:30px;line-height:1.3;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.92);font-size:16px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.cta-actions .btn-light{background:#fff;color:var(--brand-deep);border-color:#fff;font-weight:800}
.cta-actions .btn-light:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(0,0,0,.2)}
.cta-actions .btn-light:active{transform:translateY(0);box-shadow:none}
.cta-actions .btn-line{background:transparent;border:1.5px solid rgba(255,255,255,.8);color:#fff}
.cta-actions .btn-line:hover{background:rgba(255,255,255,.16);transform:translateY(-4px)}
.cta-actions .btn-line:active{transform:translateY(0)}

/* ---------- footer ---------- */
.site-footer{background:var(--grad-dark);color:#C9C4B8;padding:64px 0 28px;margin-top:20px}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-mark{margin-bottom:14px}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;margin-bottom:10px}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9A79C;max-width:320px}
.footer-qr{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:#A9A79C}
.mini-qr{
  width:52px;height:52px;border-radius:12px;background:#fff;position:relative;flex:0 0 auto;
  background-image:linear-gradient(90deg,#0F3B33 2px,transparent 2px),linear-gradient(#0F3B33 2px,transparent 2px);
  background-size:12px 12px;background-position:4px 4px;
}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:#C9C4B8;display:inline-block;transition:color 180ms var(--ease),transform 180ms var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7;color:#C9C4B8}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#96948A;
}
.footer-bottom a{color:#C9C4B8}
.footer-bottom a:hover{color:#fff}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:36px}
  .article-main{padding:40px 36px 34px}
}
@media (max-width:1023px){
  body{font-size:16px}
  .nav-links,.header-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar > *{flex:1 1 300px}
  .article-hero h1{font-size:32px}
  .section-head h2{font-size:26px}
  .section{padding:72px 0}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-cols{grid-template-columns:1fr 1fr;gap:34px}
  .cta-inner{grid-template-columns:1fr;padding:38px 32px}
  .cta-band{padding:0 0 72px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{min-height:66px;gap:14px}
  .logo-text em{display:none}
  .logo-text strong{font-size:15.5px}
  .logo-mark{width:40px;height:40px;border-radius:12px;font-size:18px}
  .article-hero h1{font-size:28px}
  .article-main{padding:28px 22px 24px;border-radius:var(--r-lg)}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .pager{grid-template-columns:1fr}
  .pager .next{align-items:flex-start;text-align:left}
  .pager .next .dir{flex-direction:row}
  .section{padding:56px 0}
  .section-head h2{font-size:22px;line-height:1.35}
  .card-grid{grid-template-columns:1fr}
  .sidebar{flex-direction:column}
  .sidebar > *{flex:1 1 auto}
  .footer-cols{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-inner{padding:32px 24px;border-radius:var(--r-lg)}
  .cta-inner h2{font-size:23px}
  .cta-actions .btn{width:100%}
  .action-bar{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A1F;
  --brand-deep:#E8450C;
  --brand-soft:#FFE7DC;
  --ink:#0F3B33;
  --ink-deep:#08241F;
  --accent:#C9F24D;
  --bg:#FDF8F2;
  --card:#FFFFFF;
  --line:#ECE3D8;
  --text:#2A2A28;
  --muted:#6E6A62;
  --grad:linear-gradient(135deg,#FF7A2F 0%,#FF4D1C 55%,#E8450C 100%);
  --grad-dark:linear-gradient(120deg,#0F3B33 0%,#123F35 60%,#0B2E27 100%);
  --r-xl:28px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,59,51,.04), 0 8px 24px rgba(15,59,51,.06);
  --sh-2:0 18px 48px rgba(15,59,51,.12);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible,input:focus-visible,.toc a:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
::selection{background:var(--brand-soft);color:var(--brand-deep);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(253,248,242,.86);
  backdrop-filter:blur(10px);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:var(--header-h);
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:42px;height:42px;border-radius:12px;
  background:var(--grad);
  color:#fff;font-weight:900;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(232,69,12,.28);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{color:var(--ink);font-size:17px;font-weight:800;letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.4px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  color:var(--ink);
  font-size:15.5px;
  font-weight:600;
  padding:9px 14px;
  border-radius:var(--r-pill);
  transition:background var(--ease),color var(--ease);
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-link.is-active{color:var(--brand-deep);background:var(--brand-soft);}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:3px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:12px 26px;
  border-radius:var(--r-md);
  font-size:15.5px;font-weight:700;
  border:1.5px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-3px);}
.btn:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(232,69,12,.26);}
.btn-primary:hover{color:#fff;box-shadow:0 16px 34px rgba(232,69,12,.34);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand-deep);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-line{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-line:hover{border-color:var(--brand);color:var(--brand-deep);box-shadow:var(--sh-1);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14.5px;border-radius:12px;}
.btn-block{width:100%;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-deep);font-weight:700;font-size:15.5px;
}
.btn-link i{transition:transform var(--ease);}
.btn-link:hover i{transform:translateX(3px);}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:0 auto;border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;left:0;right:0;top:var(--header-h);bottom:0;
  background:#fff;padding:24px 24px 32px;
  display:flex;flex-direction:column;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:transform var(--ease),opacity var(--ease),visibility var(--ease);
  overflow-y:auto;z-index:55;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.mobile-drawer .drawer-nav{display:flex;flex-direction:column;gap:6px;}
.mobile-drawer .drawer-nav a{
  color:var(--ink);font-weight:700;font-size:16.5px;
  padding:14px 12px;border-radius:var(--r-md);border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-nav a.is-active{color:var(--brand-deep);background:var(--brand-soft);}
.drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 60px;
  background:var(--grad-dark);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(8,36,31,.94) 0%,rgba(15,59,51,.84) 52%,rgba(15,59,51,.42) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero-inner{position:relative;z-index:2;max-width:760px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:rgba(255,255,255,.38);}
.breadcrumb .current{color:var(--accent);font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(201,242,77,.16);
  color:var(--accent);
  border:1px solid rgba(201,242,77,.34);
  border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.6px;
  padding:6px 16px;margin-bottom:18px;
}
.page-hero h1{
  color:#fff;
  font-size:48px;
  line-height:1.18;
  font-weight:900;
  letter-spacing:.4px;
}
.hero-lead{
  margin-top:18px;
  color:rgba(255,255,255,.82);
  font-size:18px;
  line-height:1.75;
  max-width:620px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;
}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-pill);
  color:#fff;font-size:13.5px;font-weight:600;
  padding:7px 16px;
}
.hero-chip i{color:var(--accent);}

/* ---------- layout ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0 96px;}
.layout-grid{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:40px;
  align-items:start;
}
.main-col{min-width:0;}
.side-col{position:relative;}

/* ---------- blocks ---------- */
.block + .block{margin-top:64px;}
.block-title{
  font-size:32px;line-height:1.25;font-weight:900;
  position:relative;padding-left:18px;
}
.block-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:6px;width:6px;border-radius:4px;background:var(--grad);
}
.block-intro{margin-top:16px;color:var(--muted);font-size:16.5px;max-width:760px;}

/* ---------- timeline ---------- */
.timeline{margin-top:36px;}
.timeline-item{
  position:relative;
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:22px;
  padding-bottom:38px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item:not(:last-child)::before{
  content:"";position:absolute;left:31px;top:66px;bottom:6px;
  border-left:2px dashed #E4D6C6;
}
.tl-index{
  width:64px;height:64px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:900;
  font-variant-numeric:tabular-nums;
  background:#fff;color:var(--brand-deep);
  border:2px solid var(--brand);
  box-shadow:0 8px 20px rgba(232,69,12,.14);
  position:relative;z-index:2;
}
.timeline-item:nth-child(2n) .tl-index{background:var(--grad);color:#fff;border-color:transparent;}
.tl-body{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:26px 28px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#F6C9B2;}
.tl-body h3{font-size:22px;font-weight:800;margin-bottom:10px;}
.tl-body p{color:var(--muted);font-size:16.5px;}
.tl-points{margin-top:16px;display:grid;gap:8px;}
.tl-points li{
  position:relative;padding-left:22px;font-size:15.5px;color:var(--text);
}
.tl-points li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--brand-soft);border:2px solid var(--brand);
}
.tl-note{
  margin-top:16px;font-size:13.5px;color:var(--muted);
  background:#FFF9F4;border-left:3px solid var(--brand);
  border-radius:0 10px 10px 0;padding:10px 14px;
}
.tl-figure{margin-top:20px;border-radius:16px;overflow:hidden;border:1px solid var(--line);}
.tl-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- checklist ---------- */
.check-wrap{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:32px;align-items:start;margin-top:32px;
}
.kv-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.kv-row{
  display:grid;grid-template-columns:150px minmax(0,1fr);
  gap:18px;padding:18px 26px;border-bottom:1px solid var(--line);
}
.kv-row:last-child{border-bottom:0;}
.kv-key{font-size:14px;color:var(--muted);font-weight:600;}
.kv-val{font-size:15.5px;font-weight:600;color:var(--ink);}
.kv-val span{display:block;font-weight:400;color:var(--muted);font-size:14px;margin-top:2px;}
.check-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);
  position:sticky;top:calc(var(--header-h) + 24px);
}
.check-figure img{width:100%;aspect-ratio:4/5;object-fit:cover;}
.check-figure figcaption{
  background:#fff;padding:14px 18px;font-size:13.5px;color:var(--muted);
}

/* ---------- tip cards ---------- */
.tip-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;margin-top:32px;
}
.tip-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:26px 28px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#F6C9B2;}
.tip-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-deep);font-size:18px;margin-bottom:16px;
}
.tip-card h3{font-size:18.5px;font-weight:800;margin-bottom:10px;}
.tip-card p{color:var(--muted);font-size:15.5px;}

/* ---------- sidebar ---------- */
.toc-card{
  position:sticky;top:calc(var(--header-h) + 24px);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:24px;
}
.toc-title{
  font-size:13px;font-weight:800;letter-spacing:1.4px;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;
}
.toc{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:flex;align-items:center;gap:10px;
  color:var(--ink);font-size:15px;font-weight:600;
  padding:9px 12px;border-radius:12px;border-left:3px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.toc a:hover{background:#FFF6F0;color:var(--brand-deep);}
.toc a.is-active{
  background:var(--brand-soft);color:var(--brand-deep);border-left-color:var(--brand);
}
.toc a .idx{
  font-size:12.5px;font-weight:800;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.toc a.is-active .idx{color:var(--brand-deep);}
.side-cta{
  margin-top:24px;
  background:var(--grad);
  border-radius:var(--r-lg);
  padding:26px 24px;
  color:#fff;
  box-shadow:0 18px 38px rgba(232,69,12,.28);
}
.side-cta h3{color:#fff;font-size:19px;font-weight:800;margin-bottom:8px;}
.side-cta p{font-size:14px;color:rgba(255,255,255,.86);line-height:1.7;}
.side-cta .btn{
  margin-top:18px;background:#fff;color:var(--brand-deep);width:100%;
  box-shadow:0 10px 22px rgba(8,36,31,.18);
}
.side-cta .btn:hover{color:var(--brand-deep);}
.side-meta{
  margin-top:20px;background:#FFF9F4;border:1px dashed #F0C8AE;border-radius:var(--r-lg);
  padding:20px 22px;font-size:14px;color:var(--muted);
}
.side-meta strong{display:block;color:var(--ink);font-size:15px;margin-bottom:6px;}

/* ---------- cta band ---------- */
.cta-band{
  background:#FFF3EA;
  border:1px solid #F6C9B2;
  border-radius:var(--r-xl);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:26px;font-weight:900;line-height:1.3;}
.cta-band p{margin-top:10px;color:var(--muted);font-size:16px;max-width:640px;}
.cta-band .band-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}
.pill-links{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:10px 20px;font-size:14.5px;font-weight:600;color:var(--ink);
  transition:transform var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.pill i{color:var(--brand);font-size:12px;}
.pill:hover{transform:translateY(-3px);border-color:var(--brand);color:var(--brand-deep);box-shadow:var(--sh-1);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--grad-dark);
  color:#C9C4B8;
  padding:72px 0 0;
  margin-top:0;
}
.footer-cols{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .logo-mark{margin-bottom:16px;}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;margin-bottom:12px;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:#AFC0B8;max-width:300px;}
.footer-qr{display:flex;align-items:center;gap:12px;margin-top:20px;font-size:13.5px;color:#AFC0B8;}
.mini-qr{
  width:52px;height:52px;border-radius:12px;background:#fff;
  background-image:
    linear-gradient(45deg,#0F3B33 25%,transparent 25%,transparent 75%,#0F3B33 75%),
    linear-gradient(45deg,#0F3B33 25%,transparent 25%,transparent 75%,#0F3B33 75%);
  background-size:14px 14px;background-position:0 0,7px 7px;
  flex:0 0 auto;
}
.footer-col h4{color:#fff;font-size:15.5px;font-weight:800;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:#C9C4B8;font-size:14.5px;transition:color var(--ease),transform var(--ease);display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#C9C4B8;}
.footer-contact i{color:var(--accent);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:#8FA59D;
}
.footer-bottom a{color:#C9C4B8;}
.footer-bottom a:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:40px;}
  .block-title{font-size:28px;}
}
@media (max-width:1023px){
  .nav-links,.header-actions{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .section{padding:72px 0;}
  .layout-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side-col{order:2;}
  .toc-card{position:static;}
  .check-wrap{grid-template-columns:minmax(0,1fr);}
  .check-figure{position:static;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .page-hero{padding:40px 0 44px;}
  .page-hero h1{font-size:30px;}
  .hero-lead{font-size:16.5px;}
  .section,.section-tight{padding:56px 0;}
  .block-title{font-size:24px;padding-left:14px;}
  .timeline-item{grid-template-columns:48px minmax(0,1fr);gap:16px;}
  .tl-index{width:48px;height:48px;font-size:16px;}
  .timeline-item:not(:last-child)::before{left:23px;top:52px;}
  .tl-body{padding:20px;}
  .tl-body h3{font-size:19px;}
  .tip-grid{grid-template-columns:minmax(0,1fr);}
  .kv-row{grid-template-columns:minmax(0,1fr);gap:6px;padding:16px 20px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .cta-band h2{font-size:22px;}
  .footer-cols{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .page-hero h1{font-size:26px;}
  .brand-text em{display:none;}
  .btn{width:100%;}
  .cta-band .band-actions{width:100%;}
  .header-actions .btn{width:auto;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .btn:hover,.tip-card:hover,.tl-body:hover,.pill:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A1F;
  --brand-deep:#E8450C;
  --brand-soft:#FFE7DC;
  --ink:#0F3B33;
  --ink-deep:#08241F;
  --accent:#C9F24D;
  --bg:#FDF8F2;
  --card:#FFFFFF;
  --line:#ECE3D8;
  --text:#2A2A28;
  --muted:#6E6A62;
  --grad-brand:linear-gradient(135deg,#FF7A2F 0%,#FF4D1C 55%,#E8450C 100%);
  --grad-ink:linear-gradient(120deg,#0F3B33 0%,#123F35 60%,#0B2E27 100%);
  --r-xl:28px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,59,51,.04), 0 8px 24px rgba(15,59,51,.06);
  --sh-2:0 18px 48px rgba(15,59,51,.12);
  --t:180ms cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;}
h1{font-size:48px;line-height:1.18;}
h2{font-size:32px;line-height:1.25;}
h3{font-size:22px;line-height:1.35;}
h4{font-size:16px;line-height:1.4;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
dl,dd,dt{margin:0;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--soft{background:#FFF4EC;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--r-md);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn i{font-size:13px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(232,69,12,.26);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border:1.5px solid var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-3px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--ink);border:1px solid rgba(255,255,255,.6);}
.btn-light:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(8,36,31,.24);}
.btn-light:active{transform:translateY(0);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}

.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:15px;}
.text-link i{transition:transform var(--t);font-size:12px;}
.text-link:hover i{transform:translateX(3px);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:26px;min-height:78px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad-brand);color:#fff;font-weight:900;font-size:19px;
  display:grid;place-items:center;box-shadow:0 8px 20px rgba(232,69,12,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink);}
.brand-text small{font-size:12px;color:var(--muted);font-weight:400;}

.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--text);padding:6px 0;transition:color var(--t);}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{transform:scaleX(1);}

.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--t),opacity var(--t);}
.nav-toggle:hover{border-color:var(--brand-soft);box-shadow:var(--sh-1);}
.site-header.is-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.site-header.is-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.is-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer{display:none;}
.drawer-links{display:grid;}
.drawer-links a{padding:15px 0;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px dashed var(--line);}
.drawer-links a.is-active{color:var(--brand);}
.drawer-cta{display:flex;gap:12px;flex-wrap:wrap;padding:20px 0 24px;}

/* ============ 页面头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:60px 0 56px;
  background:
    linear-gradient(100deg,rgba(253,248,242,.98) 0%,rgba(253,248,242,.92) 44%,rgba(255,231,220,.58) 100%),
    url(/assets/images/backpic/back-2.webp) center right / cover no-repeat;
  border-bottom:1px solid var(--line);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.crumb a{transition:color var(--t);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.45;}
.crumb .current{color:var(--ink);font-weight:600;}
.page-hero h1{max-width:22ch;}
.page-lead{margin-top:16px;font-size:18px;line-height:1.8;color:var(--muted);max-width:58ch;}

.seg-tabs{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.seg-tab{
  min-height:46px;padding:11px 26px;border-radius:var(--r-pill);
  border:1.5px solid var(--line);background:#fff;color:var(--text);
  font-size:15px;font-weight:700;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.seg-tab:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px);}
.seg-tab.is-active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 12px 26px rgba(232,69,12,.24);}
.seg-tab.is-active:hover{transform:none;color:#fff;}

/* ============ 通用网格与卡片 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}

.tile{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:28px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.tile h3{margin-bottom:10px;}
.tile p{font-size:16px;color:var(--muted);}

.media-thumb{
  position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:#F7F1E9;aspect-ratio:16 / 10;margin-bottom:20px;
}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1);}
.tile:hover .media-thumb img{transform:scale(1.04);}
.thumb-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--brand-deep);
  font-size:13px;font-weight:700;backdrop-filter:blur(6px);
}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:700;
}
.tag--lime{background:var(--accent);color:var(--ink);}
.tag--line{background:#fff;border:1px solid var(--line);color:var(--muted);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:700;letter-spacing:.02em;margin-bottom:16px;
}

/* ============ 分栏头 ============ */
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:end;margin-bottom:44px;}
.sec-desc{font-size:16px;color:var(--muted);max-width:52ch;}

/* ============ 平台面板 ============ */
.panel{display:none;}
.panel.is-active{display:block;animation:fadeUp 320ms cubic-bezier(.2,.7,.3,1);}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}

.panel-block{margin-top:48px;}
.panel-block > h3{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.panel-block > h3::before{content:"";width:4px;height:20px;border-radius:3px;background:var(--brand);}

.kv{border-top:1px solid var(--line);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:6px 24px;}
.kv-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:15px 0;border-bottom:1px solid var(--line);}
.kv-row:last-child{border-bottom:0;}
.kv-row dt{font-size:14px;color:var(--muted);}
.kv-row dd{font-weight:700;color:var(--ink);text-align:right;font-variant-numeric:tabular-nums;}

/* ============ 数据徽章 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat-pill{
  border-radius:var(--r-lg);padding:24px;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.stat-pill:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.stat-pill b{display:block;font-size:30px;font-weight:900;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.1;}
.stat-pill span{display:block;margin-top:8px;font-size:14px;color:var(--muted);}
.stat-pill--lime{background:var(--accent);border-color:transparent;}
.stat-pill--lime b{color:var(--ink);}
.stat-pill--lime span{color:#3D4A25;}
.stat-pill--soft{background:var(--brand-soft);border-color:transparent;}
.stat-pill--outline{background:#fff;border:1.5px solid var(--brand-soft);}

.split-4-8{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:40px;align-items:start;margin-top:52px;}
.split-4-8 p + p{margin-top:16px;}
.split-4-8 p{color:var(--muted);font-size:16px;}

/* ============ 二维码与入口卡 ============ */
.qr-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:28px;text-align:center;
  transition:transform var(--t),box-shadow var(--t);
}
.qr-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.mini-qr{
  width:132px;height:132px;margin:0 auto 16px;border-radius:16px;border:1px solid var(--line);
  background-color:#fff;
  background-image:
    linear-gradient(45deg,var(--ink) 25%,transparent 25%,transparent 75%,var(--ink) 75%),
    linear-gradient(45deg,var(--ink) 25%,#fff 25%,#fff 75%,var(--ink) 75%);
  background-size:16px 16px;
  background-position:0 0,8px 8px;
}
.qr-card h3{font-size:18px;margin-bottom:6px;}
.qr-card p{font-size:14px;color:var(--muted);}

.entry-card{
  display:block;padding:26px;border-radius:var(--r-lg);border:1px solid var(--line);
  background:#fff;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.entry-card h3{font-size:19px;margin:12px 0 8px;}
.entry-card p{font-size:15px;color:var(--muted);}
.entry-card .text-link{margin-top:16px;}
.entry-card--soft{background:var(--brand-soft);border-color:transparent;border-radius:24px;}
.entry-card--soft h3{color:var(--brand-deep);}
.entry-card--soft p{color:#7A4A32;}
.entry-card--ink{background:var(--grad-ink);border-color:transparent;border-radius:16px;}
.entry-card--ink h3{color:#fff;}
.entry-card--ink p{color:#C9C4B8;}
.entry-card--ink .text-link{color:var(--accent);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:var(--brand-soft);box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--muted);transition:transform var(--t),color var(--t);
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--brand);}
.faq-body{
  margin:0 20px 20px;padding:16px 18px;border-left:3px solid var(--brand);
  background:#FFF9F5;border-radius:0 12px 12px 0;
  font-size:16px;color:#4A4741;
}
.faq-body ul{margin-top:10px;display:grid;gap:8px;}
.faq-body li{position:relative;padding-left:18px;font-size:15px;color:var(--muted);}
.faq-body li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:2px;background:var(--brand);}

/* ============ 胶囊链接组 ============ */
.pill-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:14px;font-weight:600;
  transition:transform var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
}
.pill-link:hover{transform:translateY(-3px);border-color:var(--brand);color:var(--brand);box-shadow:var(--sh-1);}
.pill-link:active{transform:translateY(0);}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-brand);color:#fff;
  border-radius:var(--r-xl);padding:46px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 26px 60px rgba(232,69,12,.28);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
}
.cta-band h2{color:#fff;max-width:20ch;}
.cta-band p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.9);max-width:46ch;}
.cta-band .btn{position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{background:var(--grad-ink);color:#C9C4B8;padding:76px 0 28px;}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .logo-mark{margin-bottom:16px;}
.footer-brand strong{display:block;color:#fff;font-size:17px;margin-bottom:10px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#B9B4A8;max-width:34ch;}
.footer-qr{display:flex;align-items:center;gap:12px;margin-top:20px;font-size:13px;color:#B9B4A8;}
.mini-qr--sm{
  width:56px;height:56px;border-radius:12px;flex:0 0 56px;border:1px solid rgba(255,255,255,.18);
  background-color:#fff;
  background-image:
    linear-gradient(45deg,var(--ink) 25%,transparent 25%,transparent 75%,var(--ink) 75%),
    linear-gradient(45deg,var(--ink) 25%,#fff 25%,#fff 75%,var(--ink) 75%);
  background-size:8px 8px;background-position:0 0,4px 4px;
}
.footer-col h4{color:#fff;margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:#C9C4B8;display:inline-block;transition:color var(--t),transform var(--t);}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;}
.footer-contact i{color:var(--accent);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:13px;color:#9F9A8F;
}
.footer-bottom a{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  h1{font-size:40px;}
  h2{font-size:28px;}
}
@media (max-width:1023px){
  .nav-links,.header-actions{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .drawer{display:block;max-height:0;overflow:hidden;background:#fff;transition:max-height 320ms cubic-bezier(.2,.7,.3,1);}
  .site-header.is-open .drawer{max-height:560px;}
  .drawer .container{padding-top:6px;padding-bottom:6px;}
  .section{padding:72px 0;}
  .section--tight{padding:60px 0;}
  h1{font-size:36px;}
  h2{font-size:26px;}
  .sec-head{grid-template-columns:1fr;gap:16px;margin-bottom:34px;}
  .grid-2,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split-4-8{grid-template-columns:1fr;gap:22px;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 34px;}
  .page-hero{padding:48px 0 44px;}
}
@media (max-width:639px){
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 20px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:19px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .grid-2,.grid-3{grid-template-columns:1fr;gap:18px;}
  .tile{padding:20px;}
  .stat-row{grid-template-columns:1fr;gap:14px;}
  .kv{padding:4px 18px;}
  .kv-row{flex-direction:column;align-items:flex-start;gap:4px;}
  .kv-row dd{text-align:left;}
  .cta-band{padding:32px 24px;border-radius:24px;}
  .cta-band .btn{width:100%;}
  .footer-cols{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;margin-top:36px;}
  .page-lead{font-size:16px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-body{margin:0 14px 16px;padding:14px 14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .tile:hover,.btn:hover,.stat-pill:hover,.entry-card:hover,.qr-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A1F;
  --brand-deep:#E8450C;
  --brand-soft:#FFE7DC;
  --ink:#0F3B33;
  --ink-deep:#08241F;
  --accent:#C9F24D;
  --bg:#FDF8F2;
  --card:#FFFFFF;
  --line:#ECE3D8;
  --text:#2A2A28;
  --muted:#6E6A62;
  --grad-brand:linear-gradient(135deg,#FF7A2F 0%,#FF4D1C 55%,#E8450C 100%);
  --grad-ink:linear-gradient(120deg,#0F3B33 0%,#123F35 60%,#0B2E27 100%);
  --r-xl:28px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,59,51,.04),0 8px 24px rgba(15,59,51,.06);
  --sh-2:0 18px 48px rgba(15,59,51,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);line-height:1.25;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
section{scroll-margin-top:104px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{
  width:42px;height:42px;border-radius:13px;
  background:var(--grad-brand);
  color:#fff;font-weight:900;font-size:20px;
  display:grid;place-items:center;
  box-shadow:0 10px 22px rgba(232,69,12,.26);
}
.brand-text{display:flex;flex-direction:column;font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.2;letter-spacing:.2px;}
.brand-text small{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:1.4px;margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 15px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:#413d36;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.nav-link:active{transform:translateY(0);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-deep);}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:6px;flex-shrink:0;}
.nav-cta-mobile{display:none;}
.nav-toggle{
  display:none;margin-left:auto;
  width:46px;height:46px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:18px;cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 26px;
  border-radius:var(--r-md);
  font-size:15px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(232,69,12,.24);}
.btn-primary:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(232,69,12,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(232,69,12,.22);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand-deep);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-4px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:var(--ink-deep);box-shadow:0 12px 28px rgba(201,242,77,.24);}
.btn-accent:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(201,242,77,.3);}
.btn-accent:active{transform:translateY(0);}
.btn-line{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.btn-line:hover{background:rgba(255,255,255,.12);transform:translateY(-4px);}
.btn-line:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--brand-deep);font-weight:700;font-size:15px;
  transition:color .18s var(--ease);
}
.link-arrow i{transition:transform .18s var(--ease);}
.link-arrow:hover{color:var(--brand);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 46px;
  background:linear-gradient(180deg,#FFF3EA 0%,#FDF8F2 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-90px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,122,47,.22),rgba(255,122,47,0) 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--muted);transition:color .18s var(--ease);}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb .sep{color:#c9c1b4;}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:700;letter-spacing:.4px;
  padding:7px 16px;border-radius:var(--r-pill);margin-bottom:18px;
}
.hero-badge i{font-size:12px;}
.page-hero h1{
  font-size:48px;font-weight:900;line-height:1.18;max-width:900px;
  letter-spacing:-.02em;
}
.page-hero .hero-sub{
  margin-top:16px;max-width:660px;
  font-size:17px;color:var(--muted);line-height:1.8;
}
.search-box{position:relative;max-width:620px;margin-top:28px;}
.search-box input{
  width:100%;height:54px;
  padding:0 20px 0 50px;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;color:var(--text);
  box-shadow:var(--sh-1);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box input::placeholder{color:#a49c90;}
.search-box input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(255,90,31,.15);
}
.search-box .search-icon{
  position:absolute;left:19px;top:50%;transform:translateY(-50%);
  color:var(--muted);font-size:16px;pointer-events:none;
}
.search-hint{margin-top:10px;font-size:13px;color:var(--muted);}

/* ---------- Anchor pills ---------- */
.anchor-row{
  margin-top:34px;
  display:flex;gap:10px;flex-wrap:nowrap;
  overflow-x:auto;padding-bottom:6px;
  scrollbar-width:thin;
}
.anchor-pill{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  border:1.5px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:#4b463e;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.anchor-pill:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft);transform:translateY(-2px);}
.anchor-pill:active{transform:translateY(0);}
.anchor-pill.is-current{background:var(--grad-brand);border-color:transparent;color:#fff;box-shadow:0 10px 22px rgba(232,69,12,.22);}
.anchor-pill.is-current:hover{color:#fff;}
.anchor-pill i{font-size:12px;}

/* ---------- Section basics ---------- */
.section{padding:92px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:32px;font-weight:900;line-height:1.25;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- Quick help cards ---------- */
.quick-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.quick-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#f7d6c6;}
.quick-icon{
  width:48px;height:48px;border-radius:var(--r-md);
  display:grid;place-items:center;font-size:19px;
  background:var(--brand-soft);color:var(--brand-deep);margin-bottom:18px;
}
.quick-card:nth-child(2n) .quick-icon{background:rgba(201,242,77,.45);color:var(--ink-deep);}
.quick-card:nth-child(3n) .quick-icon{background:#fff;border:1.5px solid var(--brand-soft);color:var(--brand);}
.quick-card h3{font-size:19px;font-weight:800;margin-bottom:10px;}
.quick-card p{font-size:15px;color:var(--muted);line-height:1.75;margin-bottom:18px;}
.quick-card .link-arrow{margin-top:auto;font-size:14px;}

/* ---------- Troubleshoot timeline ---------- */
.trouble-wrap{
  display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:start;
}
.steps{position:relative;padding-left:8px;}
.step{
  position:relative;padding-left:72px;padding-bottom:38px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:24px;top:52px;bottom:6px;
  width:2px;border-left:2px dashed #e6d7c7;
}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;left:0;top:0;
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  font-weight:900;font-size:16px;
  font-variant-numeric:tabular-nums;
  background:#fff;border:2px solid var(--brand);color:var(--brand-deep);
  box-shadow:0 8px 20px rgba(232,69,12,.14);
}
.step:nth-child(2n) .step-num{background:var(--grad-brand);border-color:transparent;color:#fff;}
.step h3{font-size:20px;font-weight:800;margin-bottom:8px;padding-top:8px;}
.step p{font-size:15.5px;color:var(--muted);line-height:1.8;margin:0;}
.trouble-media{position:relative;}
.trouble-media img{
  width:100%;border-radius:var(--r-xl);box-shadow:var(--sh-2);
  aspect-ratio:4/5;object-fit:cover;
}
.trouble-note{
  margin-top:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
}
.trouble-note h4{font-size:16px;font-weight:800;margin-bottom:8px;}
.trouble-note p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0;}

/* ---------- FAQ accordion ---------- */
.faq-shell{max-width:920px;margin:0 auto;}
.faq-group{margin-bottom:40px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-head{
  display:flex;align-items:center;gap:12px;margin-bottom:18px;
}
.faq-group-head .dot{
  width:10px;height:10px;border-radius:3px;background:var(--grad-brand);flex-shrink:0;
}
.faq-group-head h2{font-size:22px;font-weight:900;}
.faq-group-head span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.acc-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.acc-item:hover{border-color:#f7d6c6;box-shadow:var(--sh-2);transform:translateY(-2px);}
.acc-item.is-open{border-color:var(--brand);}
.acc-head{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 26px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.6;
  transition:color .18s var(--ease);
}
.acc-head:hover{color:var(--brand-deep);}
.acc-item.is-open .acc-head{color:var(--brand-deep);}
.acc-head .chev{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;
  background:var(--brand-soft);color:var(--brand-deep);
  transition:transform .18s var(--ease),background .18s var(--ease);
}
.acc-item.is-open .chev{transform:rotate(180deg);background:var(--brand);color:#fff;}
.acc-body{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.acc-item.is-open .acc-body{max-height:1400px;}
.acc-body-inner{
  margin:0 26px 24px;
  padding:18px 0 4px 20px;
  border-left:3px solid var(--brand);
  background:linear-gradient(180deg,#FFFAF6,#FFFDFB);
  border-radius:0 var(--r-md) var(--r-md) 0;
}
.acc-body-inner p{font-size:15.5px;color:#4a463f;line-height:1.85;margin-bottom:14px;}
.acc-body-inner p:last-child{margin-bottom:0;}
.acc-body-inner ul{margin:14px 0 0;}
.acc-body-inner li{
  position:relative;padding-left:20px;margin-bottom:8px;
  font-size:15px;color:var(--muted);line-height:1.8;
}
.acc-body-inner li::before{
  content:"";position:absolute;left:0;top:12px;
  width:7px;height:7px;border-radius:2px;background:var(--brand);
}

/* ---------- Error table ---------- */
.table-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);padding:8px;overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.err-table{width:100%;border-collapse:collapse;min-width:640px;}
.err-table thead th{
  background:#FFF3EA;color:var(--ink);font-size:14px;font-weight:800;
  text-align:left;padding:16px 22px;white-space:nowrap;
}
.err-table thead th:first-child{border-radius:var(--r-md) 0 0 var(--r-md);}
.err-table thead th:last-child{border-radius:0 var(--r-md) var(--r-md) 0;}
.err-table tbody td{
  padding:16px 22px;font-size:15px;color:#4a463f;line-height:1.7;
  border-bottom:1px solid var(--line);
}
.err-table tbody tr:nth-child(even) td{background:#FEFBF7;}
.err-table tbody tr:last-child td{border-bottom:0;}
.err-table tbody td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
.err-table tbody tr{transition:background .18s var(--ease);}
.err-table tbody tr:hover td{background:#FFF6EF;}

/* ---------- Support CTA ---------- */
.support-card{
  position:relative;overflow:hidden;
  background:var(--grad-ink);
  border-radius:var(--r-xl);
  padding:56px 52px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:center;
  box-shadow:var(--sh-2);
}
.support-card::after{
  content:"";position:absolute;right:-80px;bottom:-110px;
  width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(201,242,77,.22),rgba(201,242,77,0) 70%);
}
.support-card > *{position:relative;z-index:1;}
.support-card h2{color:#fff;font-size:30px;font-weight:900;line-height:1.3;}
.support-card p{color:#CDC7BA;font-size:16px;line-height:1.85;margin-top:14px;max-width:560px;}
.support-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch;}
.support-actions .btn{width:100%;}
.support-foot{
  grid-column:1/-1;margin-top:8px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:#B9B3A6;display:flex;flex-wrap:wrap;gap:16px;
}
.support-foot i{color:var(--accent);margin-right:6px;}

/* ---------- Related links ---------- */
.related-list{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.related-item{
  display:flex;align-items:flex-start;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.related-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#f7d6c6;}
.related-item .r-ico{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;font-size:15px;
  background:var(--brand-soft);color:var(--brand-deep);
}
.related-item h3{font-size:16.5px;font-weight:800;margin-bottom:6px;}
.related-item p{font-size:14px;color:var(--muted);line-height:1.7;margin:0;}
.related-item .r-arrow{margin-left:auto;color:var(--brand);transition:transform .18s var(--ease);}
.related-item:hover .r-arrow{transform:translateX(4px);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#C9C4B8;margin-top:20px;padding:68px 0 0;}
.footer-cols{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;
  padding-bottom:48px;
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:14px;}
.footer-brand .logo-mark{width:44px;height:44px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:#A8A395;margin:0;}
.footer-qr{display:flex;align-items:center;gap:12px;font-size:13px;color:#A8A395;}
.mini-qr{
  width:56px;height:56px;border-radius:12px;
  background:
    repeating-linear-gradient(90deg,#fff 0 6px,#e8e3d8 6px 8px),
    repeating-linear-gradient(0deg,#fff 0 6px,#e8e3d8 6px 8px);
  background-blend-mode:multiply;
  border:3px solid #fff;
}
.footer-col h4{color:#fff;font-size:15.5px;font-weight:800;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{
  font-size:14.5px;color:#C9C4B8;
  transition:color .18s var(--ease),transform .18s var(--ease);
  display:inline-block;
}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#C9C4B8;margin-bottom:12px;}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:#9A958A;
}
.footer-bottom a{color:#C9C4B8;transition:color .18s var(--ease);}
.footer-bottom a:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:40px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .nav-links{
    position:fixed;top:76px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;padding:18px 20px 26px;
    box-shadow:var(--sh-2);
    border-bottom:1px solid var(--line);
    max-height:calc(100vh - 76px);overflow-y:auto;
    opacity:0;pointer-events:none;transform:translateY(-14px);
    transition:opacity .18s var(--ease),transform .18s var(--ease);
  }
  .nav-links.is-open{opacity:1;pointer-events:auto;transform:translateY(0);}
  .nav-link{padding:13px 16px;border-radius:var(--r-md);font-size:15.5px;}
  .nav-cta-mobile{
    display:flex;flex-direction:column;gap:12px;
    margin-top:12px;padding-top:18px;border-top:1px solid var(--line);
  }
  .nav-cta-mobile .btn{width:100%;}
  .section{padding:72px 0;}
  .section-tight{padding:60px 0;}
  .trouble-wrap{grid-template-columns:1fr;gap:36px;}
  .trouble-media img{aspect-ratio:16/10;}
  .support-card{grid-template-columns:1fr;padding:44px 34px;gap:32px;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-brand{grid-column:1/-1;}
  .related-list{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .page-hero{padding:42px 0 36px;}
  .page-hero h1{font-size:28px;line-height:1.3;}
  .page-hero .hero-sub{font-size:15.5px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .section-head h2{font-size:22px;}
  .quick-grid{grid-template-columns:1fr;}
  .quick-card{padding:22px;}
  .step{padding-left:64px;padding-bottom:30px;}
  .step::before{left:22px;top:48px;}
  .step-num{width:44px;height:44px;font-size:15px;}
  .acc-head{padding:18px 20px;font-size:15.5px;}
  .acc-body-inner{margin:0 20px 20px;padding:16px 0 2px 16px;}
  .support-card{padding:34px 24px;border-radius:var(--r-lg);}
  .support-card h2{font-size:22px;}
  .support-card p{font-size:15px;}
  .footer-cols{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .err-table thead th,.err-table tbody td{padding:13px 16px;}
  .related-item{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;scroll-behavior:auto !important;}
  .btn:hover,.quick-card:hover,.related-item:hover,.acc-item:hover{transform:none !important;}
}