/* roulang page: index */
:root{
  --brand-600:#C0332B;
  --brand-700:#9E211C;
  --brand-500:#D9523F;
  --ink-900:#1E1A19;
  --ink-700:#3A3331;
  --ink-500:#7A6F6A;
  --ink-300:#B8ADA6;
  --bg-100:#F8F4EF;
  --bg-200:#F1EAE2;
  --card:#FFFDFB;
  --gold-500:#C9973F;
  --line:rgba(30,26,25,.08);
  --line-strong:#E3DAD2;
  --grad-brand:linear-gradient(135deg,#D9523F 0%,#9E211C 100%);
  --grad-soft:linear-gradient(180deg,#F8F4EF 0%,#F1EAE2 100%);
  --shadow-sm:0 2px 8px rgba(30,26,25,.06);
  --shadow-md:0 10px 28px rgba(30,26,25,.10);
  --shadow-brand:0 12px 24px rgba(192,51,43,.22);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg-100);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.25;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
section[id],div[id]{scroll-margin-top:96px}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(248,244,239,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:76px;
  gap:16px;
}
.nav-side{display:flex;align-items:center;gap:28px}
.nav-left{justify-self:end}
.nav-right{justify-self:start}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
  padding:6px 0;
  transition:color .25s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-3px;height:2px;width:0;
  background:var(--brand-600);border-radius:2px;
  transform:translateX(-50%);
  transition:width .25s ease;
}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after{width:60%}
.nav-link.active{color:var(--brand-600);font-weight:600}
.nav-link.active::after{width:60%}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;border-radius:999px;
  background:var(--grad-brand);color:#fff;
  font-size:14px;font-weight:600;
  box-shadow:0 6px 14px rgba(192,51,43,.22);
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow-brand);filter:brightness(1.05)}
.nav-cta:active{transform:translateY(0)}
.brand{
  justify-self:center;
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;letter-spacing:.5px;color:var(--ink-900);
}
.brand-mark{
  position:relative;width:28px;height:28px;border-radius:8px;
  background:var(--grad-brand);
  box-shadow:0 5px 12px rgba(192,51,43,.28);
  flex:0 0 28px;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:3px;background:rgba(255,255,255,.88);
}
.brand-text i{font-style:normal;color:var(--brand-600);margin:0 4px}
.nav-toggle{
  display:none;
  position:relative;
  width:40px;height:40px;border-radius:10px;
  background:rgba(192,51,43,.08);
  flex:0 0 40px;
}
.nav-toggle span{
  position:absolute;left:11px;width:18px;height:2px;border-radius:2px;
  background:var(--brand-700);transition:transform .28s ease,opacity .2s ease,top .28s ease;
}
.nav-toggle span:nth-child(1){top:13px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:25px}
.nav-toggle.is-open span:nth-child(1){top:19px;transform:rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){top:19px;transform:rotate(-45deg)}
.nav-drawer{
  position:fixed;left:0;right:0;top:0;z-index:55;
  background:var(--bg-100);
  padding:84px 20px 20px;
  box-shadow:var(--shadow-md);
  transform:translateY(-105%);
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
}
.nav-drawer.is-open{transform:translateY(0)}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;
  height:52px;padding:0 4px;
  font-size:15px;font-weight:500;color:var(--ink-900);
  border-bottom:1px solid var(--line-strong);
}
.nav-drawer a.drawer-link.active{color:var(--brand-600);font-weight:600}
.nav-drawer .btn{margin-top:18px;width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s ease,background .25s ease,color .25s ease,filter .25s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 6px 16px rgba(192,51,43,.18)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-brand);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(192,51,43,.2)}
.btn-ghost{border:1.5px solid var(--brand-600);color:var(--brand-600);background:transparent}
.btn-ghost:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-ghost:active{transform:translateY(0)}
.btn-white{background:#fff;color:var(--brand-700);box-shadow:0 8px 20px rgba(0,0,0,.16)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,0,0,.22)}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-600);
  border-bottom:1px dashed rgba(192,51,43,.45);
  padding-bottom:2px;
  transition:border-color .25s ease,color .25s ease;
}
.link-more:hover{border-bottom-style:solid;color:var(--brand-700)}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 104px;
  background:var(--grad-soft);
}
.hero-bg{
  position:absolute;right:-160px;top:-180px;width:620px;height:620px;
  border-radius:50%;
  border:1px solid rgba(192,51,43,.07);
  box-shadow:0 0 0 70px rgba(192,51,43,.025),0 0 0 160px rgba(192,51,43,.015);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(192,51,43,.08);
  border:1px solid rgba(192,51,43,.16);
  font-size:13px;font-weight:600;color:var(--brand-700);
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.hero h1{
  font-size:44px;font-weight:800;line-height:1.2;letter-spacing:-.5px;
  color:var(--ink-900);
}
.hero h1 em{font-style:normal;color:var(--brand-600)}
.hero-sub{
  margin-top:18px;font-size:17px;line-height:1.75;color:var(--ink-500);max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:26px}
.hero-points li{
  position:relative;padding-left:16px;
  font-size:14px;color:var(--ink-700);
}
.hero-points li::before{
  content:"";position:absolute;left:0;top:9px;
  width:7px;height:7px;border-radius:50%;background:var(--brand-600);
}
.hero-visual{position:relative}
.hero-visual .hero-main{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:28px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-md);
  background:var(--bg-200);
}
.hero-cover{
  position:absolute;right:-14px;bottom:-34px;
  width:44%;aspect-ratio:4/3;object-fit:cover;
  border-radius:16px;padding:8px;background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-md);
}

/* ---------- stats ---------- */
.stats{position:relative;z-index:2;margin-top:-44px;padding-bottom:8px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{
  display:flex;align-items:center;gap:12px;
  padding:16px 20px;border-radius:999px;
  background:rgba(192,51,43,.07);
  border:1px solid rgba(192,51,43,.16);
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.stat-num{
  font-size:24px;font-weight:800;line-height:1;color:var(--brand-700);
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.stat-label{font-size:12px;color:var(--ink-500);line-height:1.4}

/* ---------- section base ---------- */
.section{padding:88px 0}
.section--alt{background:var(--bg-200)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:44px;flex-wrap:wrap;
}
.section-title{font-size:32px;font-weight:700;letter-spacing:-.3px}
.section-title::after{
  content:"";display:block;width:44px;height:4px;border-radius:2px;
  background:var(--grad-brand);margin-top:14px;
}
.section-desc{margin-top:14px;font-size:15px;color:var(--ink-500);max-width:600px}
.section-head .section-desc{margin-top:8px}

/* ---------- tier ladder ---------- */
.tier-row{display:flex;align-items:flex-end;gap:24px}
.tier{
  position:relative;flex:1;
  display:flex;flex-direction:column;
  padding:32px 28px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease,border-color .28s ease;
}
.tier:nth-child(1){min-height:360px}
.tier:nth-child(2){min-height:420px}
.tier:nth-child(3){min-height:480px}
.tier:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(192,51,43,.2)}
.tier--featured{
  background:#fff;
  border-color:rgba(192,51,43,.26);
  box-shadow:var(--shadow-md);
}
.tier--featured::before{
  content:"";position:absolute;top:0;left:26px;right:26px;height:6px;
  border-radius:0 0 6px 6px;background:var(--grad-brand);
}
.tier-flag{
  position:absolute;top:18px;right:20px;
  padding:4px 12px;border-radius:999px;
  background:rgba(192,51,43,.1);
  color:var(--brand-700);font-size:12px;font-weight:700;
  border:1px solid rgba(192,51,43,.18);
}
.tier-level{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:rgba(192,51,43,.08);
  border:1px solid rgba(192,51,43,.14);
  color:var(--brand-700);font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.tier h3{font-size:21px;font-weight:700}
.tier-note{margin-top:8px;font-size:14px;color:var(--ink-500);line-height:1.7}
.tier-list{flex:1;display:flex;flex-direction:column;gap:12px;margin:22px 0 26px}
.tier-list li{display:flex;gap:10px;font-size:14px;line-height:1.65;color:var(--ink-700)}
.tick{
  position:relative;flex:0 0 18px;width:18px;height:18px;margin-top:3px;
  border-radius:50%;background:rgba(192,51,43,.1);
}
.tick::after{
  content:"";position:absolute;left:6px;top:4px;
  width:5px;height:8px;
  border-right:2px solid var(--brand-600);
  border-bottom:2px solid var(--brand-600);
  transform:rotate(45deg);
}
.tier-foot{margin-top:auto}

/* ---------- compare ---------- */
.compare-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.compare-table{width:100%;border-collapse:collapse;font-size:14px}
.compare-table th,
.compare-table td{
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  text-align:center;
  font-variant-numeric:tabular-nums;
}
.compare-table tr:last-child td{border-bottom:0}
.compare-table thead th{
  background:var(--bg-200);
  color:var(--ink-900);font-weight:700;font-size:14px;
}
.compare-table thead th small{display:block;font-size:12px;font-weight:400;color:var(--ink-500);margin-top:2px}
.compare-table th:first-child,
.compare-table td:first-child{text-align:left;font-weight:600;color:var(--ink-900)}
.compare-table tbody tr{transition:background .2s ease}
.compare-table tbody tr:hover{background:rgba(192,51,43,.035)}
.mark-yes{color:var(--brand-600);font-weight:800}
.mark-no{color:var(--ink-300);font-weight:700}
.compare-mobile{display:none;grid-template-columns:1fr;gap:16px}
.compare-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-sm);
}
.compare-card h4{font-size:17px;margin-bottom:4px}
.compare-card .price{font-size:13px;color:var(--ink-500);margin-bottom:16px;font-variant-numeric:tabular-nums}
.compare-card ul{display:flex;flex-direction:column;gap:10px;font-size:14px}
.compare-card ul li{display:flex;justify-content:space-between;gap:12px;padding-bottom:10px;border-bottom:1px dashed var(--line-strong)}
.compare-card ul li:last-child{border-bottom:0;padding-bottom:0}

/* ---------- limited ---------- */
.limited-band{
  display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap;
  padding:34px 40px;border-radius:var(--r-lg);
  background:var(--grad-brand);
  color:#fff;
  box-shadow:var(--shadow-brand);
}
.limited-copy h3{color:#fff;font-size:22px}
.limited-copy p{font-size:13px;color:rgba(255,255,255,.82);margin-top:8px}
.limited-right{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.countdown{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}
.countdown span{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:56px;padding:8px 6px;border-radius:10px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.22);
  font-size:20px;font-weight:700;line-height:1.2;
}
.countdown small{font-size:11px;font-weight:400;opacity:.78;margin-top:2px}
.limited-note{width:100%;font-size:12px;color:rgba(255,255,255,.75);margin-top:-16px}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.news-card--lead{grid-column:1 / -1;flex-direction:row}
.news-thumb{display:block;background:var(--bg-200);overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-card--lead .news-thumb{width:42%;flex:0 0 42%}
.news-card--lead .news-thumb img{height:100%;aspect-ratio:auto;min-height:240px}
.news-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.news-tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:rgba(192,51,43,.08);
  border:1px solid rgba(192,51,43,.14);
  font-size:12px;font-weight:600;color:var(--brand-700);
}
.news-date{font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums}
.news-title{
  font-size:18px;font-weight:700;line-height:1.5;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .25s ease;
}
.news-card:hover .news-title{color:var(--brand-600)}
.news-card--lead .news-title{font-size:22px}
.news-excerpt{
  font-size:14px;line-height:1.75;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-link{margin-top:auto;font-size:13px;font-weight:600;color:var(--brand-600)}
.empty-state{
  padding:52px 24px;border-radius:var(--r-md);
  background:var(--bg-200);border:1px dashed var(--line-strong);
  text-align:center;color:var(--ink-500);font-size:15px;
}
.empty-state .link-more{margin-top:14px}

/* ---------- faq ---------- */
.faq-list{
  max-width:900px;margin:0 auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background .25s ease,color .25s ease;
}
.faq-q:hover{color:var(--brand-600);background:rgba(192,51,43,.03)}
.faq-item.is-open .faq-q{background:var(--bg-200);color:var(--brand-700)}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before,
.faq-icon::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
  transition:transform .28s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--ink-500)}
.faq-item.is-open .faq-a{max-height:360px}

/* ---------- consult ---------- */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.consult-copy h2{font-size:32px;letter-spacing:-.3px}
.consult-copy .lead{margin-top:16px;font-size:15px;line-height:1.85;color:var(--ink-500);max-width:420px}
.promise-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.promise-list li{display:flex;gap:12px;font-size:14px;color:var(--ink-700)}
.promise-dot{
  position:relative;flex:0 0 22px;width:22px;height:22px;margin-top:2px;
  border-radius:50%;background:rgba(192,51,43,.1);
}
.promise-dot::after{
  content:"";position:absolute;left:8px;top:5px;
  width:5px;height:9px;
  border-right:2px solid var(--brand-600);
  border-bottom:2px solid var(--brand-600);
  transform:rotate(45deg);
}
.contact-note{
  margin-top:28px;padding:18px 20px;
  background:var(--bg-200);border-radius:var(--r-sm);
  font-size:13px;line-height:1.9;color:var(--ink-500);
}
.contact-note strong{color:var(--ink-900);font-weight:600}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--shadow-md);
}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--ink-900)}
.field input,
.field select,
.field textarea{
  width:100%;height:48px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-sm);
  padding:0 16px;
  font-family:inherit;font-size:15px;color:var(--ink-700);
  background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 16px;line-height:1.7;resize:vertical}
.field input::placeholder,
.field textarea::placeholder{color:var(--ink-300)}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;border-color:var(--brand-600);
  box-shadow:0 0 0 4px rgba(192,51,43,.12);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.7;color:var(--ink-500);margin-bottom:22px}
.checkbox input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--brand-600)}
.checkbox a{color:var(--brand-600);text-decoration:underline}
.form-tip{margin-top:14px;font-size:13px;color:var(--brand-700);min-height:20px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.68);padding-top:64px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;padding-bottom:48px;
}
.footer-brand .brand{justify-self:start;color:#F8F4EF;font-size:18px}
.footer-brand p{margin-top:18px;font-size:13px;line-height:1.9;color:rgba(255,255,255,.6);max-width:280px}
.footer-title{font-size:14px;font-weight:600;color:#F8F4EF;margin-bottom:18px}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:13px;color:rgba(255,255,255,.66);transition:color .25s ease}
.footer-list a:hover{color:var(--brand-500)}
.footer-contact li{font-size:13px;line-height:1.9;color:rgba(255,255,255,.66);margin-bottom:8px}
.footer-contact strong{color:#F8F4EF;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;
  gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--brand-500)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero h1{font-size:40px}
  .tier-row{gap:18px}
  .tier{padding:28px 22px}
}
@media (max-width:991px){
  .nav-wrap{grid-template-columns:1fr auto 1fr;height:64px}
  .nav-left{display:none}
  .nav-right{justify-self:end;gap:0}
  .nav-right .nav-link,
  .nav-right .nav-cta{display:none}
  .nav-toggle{display:inline-block}
  .brand{font-size:16px}
  .hero{padding:48px 0 84px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero h1{font-size:34px}
  .hero-sub{max-width:none}
  .hero-cover{width:46%;right:0;bottom:-26px}
  .stats{margin-top:-32px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:56px 0}
  .section-title{font-size:26px}
  .tier-row{flex-direction:column;align-items:stretch}
  .tier{min-height:0}
  .tier:nth-child(1),
  .tier:nth-child(2),
  .tier:nth-child(3){min-height:0}
  .compare-table{display:none}
  .compare-mobile{display:grid}
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{flex-direction:column}
  .news-card--lead .news-thumb{width:100%;flex:0 0 auto}
  .news-card--lead .news-thumb img{min-height:0;aspect-ratio:16/10;height:auto}
  .news-card--lead .news-title{font-size:19px}
  .consult-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .limited-band{padding:28px;gap:24px}
  .limited-copy h3{font-size:19px}
  .limited-note{margin-top:0}
}
@media (min-width:992px){
  .nav-drawer{display:none}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .hero h1{font-size:30px;letter-spacing:0}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-cover{display:none}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .section-title{font-size:24px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat{padding:14px 16px;border-radius:16px}
  .stat-num{font-size:20px}
  .form-card{padding:24px 20px}
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .limited-band{padding:24px 20px}
  .limited-right{width:100%}
  .limited-right .btn{width:100%}
  .faq-q{font-size:15px;padding:18px 20px}
  .faq-a p{padding:0 20px 20px}
}
@media (max-width:480px){
  .stats-grid{grid-template-columns:1fr}
  .countdown span{min-width:46px;font-size:17px}
  .brand{font-size:15px}
  .brand-mark{width:24px;height:24px;flex:0 0 24px}
  .brand-mark::after{inset:7px}
}

/* roulang page: article */
:root{
  --brand-600:#C0332B;
  --brand-700:#9E211C;
  --brand-500:#D9523F;
  --brand-soft:rgba(192,51,43,.08);
  --brand-line:rgba(192,51,43,.16);
  --ink-900:#1E1A19;
  --ink-700:#3A3331;
  --ink-500:#7A6F6A;
  --bg-100:#F8F4EF;
  --bg-200:#F1EAE2;
  --card:#FFFDFB;
  --line:rgba(30,26,25,.08);
  --line-strong:#E3DAD2;
  --gold-500:#C9973F;
  --grad-brand:linear-gradient(135deg,#D9523F 0%,#9E211C 100%);
  --grad-soft:linear-gradient(180deg,#F8F4EF 0%,#F1EAE2 100%);
  --shadow-sm:0 2px 8px rgba(30,26,25,.06);
  --shadow-md:0 10px 28px rgba(30,26,25,.10);
  --shadow-brand:0 12px 24px rgba(192,51,43,.22);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --ease: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:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg-100);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.num{font-variant-numeric:tabular-nums;}

/* ============ header / nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(248,244,239,.92);
  backdrop-filter:saturate(160%) blur(10px);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:76px;
}
.nav-side{display:flex;align-items:center;gap:32px;}
.nav-left{justify-content:flex-end;}
.nav-right{justify-content:flex-start;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
  padding:6px 2px;
  white-space:nowrap;
  transition:color .25s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-2px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--brand-600);
  transform:translateX(-50%);
  transition:width .25s var(--ease);
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{width:60%;}
.nav-link.active{color:var(--brand-600);font-weight:600;}
.nav-link.active::after{width:60%;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-self:center;
  color:var(--ink-900);
  font-weight:800;
  font-size:17px;
  letter-spacing:.4px;
  white-space:nowrap;
}
.brand-mark{
  width:26px;
  height:26px;
  border-radius:8px;
  background:var(--grad-brand);
  box-shadow:0 4px 10px rgba(192,51,43,.28);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:8px;
  border-radius:3px;
  background:rgba(255,255,255,.9);
}
.brand-text i{font-style:normal;color:var(--brand-600);padding:0 2px;}
.brand:hover .brand-text{color:var(--brand-700);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line-strong);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink-900);
  transition:transform .28s var(--ease),opacity .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-600);}
.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-menu{
  display:none;
  border-top:1px solid var(--line);
  background:var(--bg-100);
  padding:8px 24px 22px;
}
.mobile-menu.is-open{display:block;}
.mobile-menu a.m-link{
  display:flex;
  align-items:center;
  height:52px;
  font-size:16px;
  font-weight:500;
  color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.mobile-menu a.m-link.active{color:var(--brand-600);font-weight:600;}
.mobile-menu .m-cta{margin-top:18px;display:block;}
.mobile-menu .m-cta .btn{width:100%;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border:none;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 6px 16px rgba(192,51,43,.18);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-brand);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(192,51,43,.2);}
.btn-ghost{
  background:transparent;
  color:var(--brand-600);
  border:1.5px solid var(--brand-600);
}
.btn-ghost:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{
  background:#fff;
  color:var(--brand-700);
  box-shadow:var(--shadow-sm);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);color:var(--brand-700);}
.link-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-600);
  border-bottom:1px dashed rgba(192,51,43,.5);
  padding-bottom:2px;
  transition:border-color .25s var(--ease),color .25s var(--ease);
}
.link-text:hover{border-bottom-style:solid;color:var(--brand-700);}

/* ============ breadcrumb ============ */
.crumb-bar{
  background:var(--grad-soft);
  border-bottom:1px solid var(--line);
  padding:18px 0;
}
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--ink-500);
}
.crumbs a{color:var(--ink-500);}
.crumbs a:hover{color:var(--brand-600);}
.crumbs .sep{color:#C6B9B1;}
.crumbs .current{
  color:var(--ink-700);
  max-width:60%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ============ article ============ */
.article-section{
  padding:56px 0 88px;
}
.article-wrap{
  max-width:820px;
  margin:0 auto;
}
.article-head{
  text-align:center;
  padding-bottom:28px;
  border-bottom:1px solid var(--line);
}
.article-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  border:1px solid var(--brand-line);
  color:var(--brand-700);
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
  margin-bottom:18px;
}
.article-title{
  font-size:clamp(26px,3.6vw,38px);
  line-height:1.35;
  font-weight:800;
  color:var(--ink-900);
  max-width:760px;
  margin:0 auto;
}
.article-meta{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:12px;
  margin-top:22px;
  font-size:13px;
  color:var(--ink-500);
}
.article-meta .chip{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  border:1px solid var(--brand-line);
  color:var(--brand-700);
  font-size:12px;
  font-weight:600;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CBBDB5;}
.article-meta .num{font-variant-numeric:tabular-nums;}

.article-body{
  max-width:760px;
  margin:0 auto;
  padding-top:40px;
  font-size:17px;
  line-height:1.95;
  color:var(--ink-700);
  word-break:break-word;
}
.article-body p{margin:0 0 1.3em;}
.article-body h2{
  position:relative;
  font-size:26px;
  font-weight:700;
  line-height:1.45;
  color:var(--ink-900);
  margin:48px 0 18px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:4px;
  height:20px;
  border-radius:2px;
  background:var(--grad-brand);
}
.article-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.55;
  color:var(--ink-900);
  margin:32px 0 12px;
}
.article-body h4{
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  margin:24px 0 10px;
}
.article-body ul,
.article-body ol{
  margin:0 0 1.3em;
  padding:0;
}
.article-body ul li{
  position:relative;
  padding-left:22px;
  margin-bottom:.6em;
  line-height:1.9;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.78em;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--brand-600);
  opacity:.85;
}
.article-body ol{list-style:decimal inside;}
.article-body ol li{margin-bottom:.6em;line-height:1.9;padding-left:4px;}
.article-body blockquote{
  margin:28px 0;
  padding:18px 22px;
  background:var(--bg-200);
  border-left:3px solid var(--brand-600);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink-700);
  font-size:16px;
  line-height:1.9;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:var(--r-md);
  border:1px solid var(--line);
  margin:24px auto;
  background:var(--bg-200);
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--ink-500);
  margin-top:12px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-sm);
  overflow:hidden;
}
.article-body th{
  background:var(--bg-200);
  color:var(--ink-900);
  font-weight:600;
  text-align:left;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line-strong);
  border-right:1px solid var(--line-strong);
}
.article-body tr:last-child td{border-bottom:none;}
.article-body th:last-child,
.article-body td:last-child{border-right:none;}
.article-body a{
  color:var(--brand-600);
  border-bottom:1px solid rgba(192,51,43,.35);
}
.article-body a:hover{border-bottom-color:var(--brand-700);}
.article-body code{
  background:var(--bg-200);
  border:1px solid var(--line-strong);
  border-radius:6px;
  padding:1px 6px;
  font-size:14px;
  color:var(--brand-700);
}
.article-body pre{
  background:var(--bg-200);
  border:1px solid var(--line-strong);
  border-radius:var(--r-sm);
  padding:18px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  margin:24px 0;
}
.article-body pre code{background:none;border:none;padding:0;color:var(--ink-700);}
.article-body hr{border:none;border-top:1px solid var(--line-strong);margin:36px 0;}

/* empty state */
.empty-state{
  background:var(--bg-200);
  border:1px dashed var(--line-strong);
  border-radius:var(--r-md);
  padding:48px 24px;
  text-align:center;
}
.empty-state p{
  font-size:16px;
  color:var(--ink-500);
  margin-bottom:20px;
}

/* footer actions */
.article-actions{
  max-width:760px;
  margin:48px auto 0;
  padding-top:28px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}

/* ============ read more ============ */
.section{padding:88px 0;}
.section-alt{background:var(--grad-soft);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,30px);
  line-height:1.35;
  font-weight:700;
}
.section-head p{
  font-size:14px;
  color:var(--ink-500);
  margin-top:10px;
  max-width:560px;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.info-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.info-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(192,51,43,.22);
}
.info-card .thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bg-200);
  border-bottom:1px solid var(--line);
}
.info-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.info-card:hover .thumb img{transform:scale(1.04);}
.info-card .body{
  padding:24px 24px 26px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 11px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  border:1px solid var(--brand-line);
  color:var(--brand-700);
  font-size:12px;
  font-weight:600;
  width:max-content;
}
.info-card h3{
  font-size:18px;
  line-height:1.55;
  font-weight:600;
}
.info-card p{
  font-size:14px;
  line-height:1.85;
  color:var(--ink-500);
  flex:1;
}
.info-card .link-text{align-self:flex-start;}

/* ============ CTA ============ */
.cta-band{
  padding:0 0 88px;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  background:var(--grad-brand);
  border-radius:var(--r-lg);
  padding:44px 48px;
  box-shadow:var(--shadow-md);
  position:relative;
  overflow:hidden;
}
.cta-inner::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-70px;
  width:260px;
  height:260px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  pointer-events:none;
}
.cta-text h2{
  color:#fff;
  font-size:clamp(20px,2.2vw,26px);
  line-height:1.4;
  font-weight:700;
}
.cta-text p{
  color:rgba(255,255,255,.82);
  font-size:14px;
  margin-top:10px;
  max-width:520px;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}

/* ============ back to top ============ */
.to-top{
  position:fixed;
  right:28px;
  bottom:28px;
  width:48px;
  height:48px;
  border-radius:50%;
  border:none;
  background:var(--grad-brand);
  color:#fff;
  font-size:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow:var(--shadow-brand);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease);
  z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{transform:translateY(-3px);}

/* ============ footer ============ */
.site-footer{
  background:#1E1A19;
  color:rgba(255,255,255,.68);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{
  font-size:13px;
  line-height:1.9;
  color:rgba(255,255,255,.62);
  max-width:340px;
}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:#F8F4EF;
  margin-bottom:18px;
  letter-spacing:.3px;
}
.footer-list li{margin-bottom:12px;}
.footer-list a{
  font-size:13px;
  color:rgba(255,255,255,.68);
  transition:color .25s var(--ease);
}
.footer-list a:hover{color:var(--brand-500);}
.footer-contact li{
  font-size:13px;
  line-height:1.9;
  margin-bottom:10px;
  color:rgba(255,255,255,.68);
}
.footer-contact strong{
  color:#F8F4EF;
  font-weight:600;
  margin-right:4px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ responsive ============ */
@media (max-width:1199px){
  .container{max-width:1140px;}
  .nav-side{gap:24px;}
}
@media (max-width:991px){
  .header-inner{display:flex;justify-content:space-between;height:68px;}
  .nav-left,.nav-right{display:none;}
  .brand{order:1;justify-self:flex-start;font-size:16px;}
  .nav-toggle{order:3;display:flex;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .article-section{padding:44px 0 64px;}
  .cta-inner{padding:36px 28px;flex-direction:column;align-items:flex-start;}
  .cta-band{padding-bottom:64px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .article-body{font-size:16px;line-height:1.9;padding-top:32px;}
  .article-body h2{font-size:22px;margin-top:38px;}
  .article-body h3{font-size:18px;}
  .crumbs .current{max-width:100%;width:100%;white-space:normal;}
  .card-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .btn{width:100%;}
  .article-actions{flex-direction:column;align-items:stretch;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
  .article-meta{gap:8px;}
}
@media (max-width:480px){
  .container{padding:0 18px;}
  .article-kicker{font-size:11px;}
  .section{padding:52px 0;}
  .cta-inner{padding:28px 20px;border-radius:18px;}
}

/* roulang page: category1 */
:root{
  --brand-600:#C0332B;
  --brand-700:#9E211C;
  --brand-500:#D9523F;
  --ink-900:#1E1A19;
  --ink-700:#3A3331;
  --ink-500:#7A6F6A;
  --bg-100:#F8F4EF;
  --bg-200:#F1EAE2;
  --white:#FFFDFB;
  --gold-500:#C9973F;
  --line:rgba(30,26,25,.08);
  --line-strong:#E3DAD2;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-sm:0 2px 8px rgba(30,26,25,.06);
  --shadow-md:0 10px 28px rgba(30,26,25,.10);
  --shadow-brand:0 12px 24px rgba(192,51,43,.22);
  --grad:linear-gradient(135deg,#D9523F 0%,#9E211C 100%);
  --grad-soft:linear-gradient(180deg,#F8F4EF 0%,#F1EAE2 100%);
  --t:.28s 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:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg-100);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.28}
h1{font-size:44px;font-weight:800;line-height:1.2;letter-spacing:-.5px}
h2{font-size:30px;font-weight:700}
h3{font-size:21px;font-weight:600}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;background:var(--bg-200)}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(248,244,239,.95);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  backdrop-filter:saturate(140%) blur(6px);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  height:76px;
}
.nav-side{display:flex;align-items:center;gap:30px;min-width:0}
.nav-left{justify-content:flex-end}
.nav-right{justify-content:flex-start}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap}
.brand-mark{width:26px;height:26px;border-radius:8px;background:var(--grad);box-shadow:var(--shadow-sm);flex:none}
.brand-text{font-size:18px;font-weight:800;color:var(--ink-900);letter-spacing:.2px}
.brand-text i{font-style:normal;color:var(--brand-600);margin:0 2px}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-700);
  padding:6px 2px;white-space:nowrap;
  transition:color var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-4px;
  transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--brand-600);
  transition:width var(--t);
}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after{width:60%}
.nav-link.active{color:var(--brand-600);font-weight:600}
.nav-link.active::after{width:60%}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line-strong);background:var(--white);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:background var(--t),border-color var(--t);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform var(--t),opacity var(--t)}
.nav-toggle:hover{border-color:var(--brand-600)}
.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-menu{
  display:none;
  position:absolute;left:0;right:0;top:76px;
  background:var(--bg-100);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-md);
  padding:8px 0 20px;
}
.mobile-menu.open{display:block}
.mobile-menu a.mm-link{
  display:block;padding:0 24px;height:52px;line-height:52px;
  font-size:15px;border-bottom:1px solid var(--line);
  transition:color var(--t),background var(--t);
}
.mobile-menu a.mm-link:hover,.mobile-menu a.mm-link.active{color:var(--brand-600);background:rgba(192,51,43,.05)}
.mobile-menu .btn{display:block;margin:18px 24px 0;text-align:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(192,51,43,.18)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-brand);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(192,51,43,.2)}
.btn-ghost{background:transparent;color:var(--brand-600);border:1.5px solid var(--brand-600)}
.btn-ghost:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-700);box-shadow:0 8px 20px rgba(30,26,25,.14)}
.btn-light:hover{transform:translateY(-2px);background:#FFF4F1}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-600);
  border-bottom:1px dashed rgba(192,51,43,.5);padding-bottom:2px;
  transition:border-color var(--t),color var(--t);
}
.btn-text:hover{border-bottom-style:solid;color:var(--brand-700)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--grad-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap}
.section-head .lead{max-width:640px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-600);
  background:rgba(192,51,43,.08);
  border:1px solid rgba(192,51,43,.16);
  border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.section-desc{margin-top:12px;font-size:15px;color:var(--ink-500);line-height:1.85}

/* ---------- 页头 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--grad-soft);
  border-bottom:1px solid var(--line);
}
.cat-hero .container{position:relative;z-index:2;padding-top:62px;padding-bottom:66px}
.cat-hero-inner{max-width:660px}
.cat-hero h1{margin:14px 0 16px}
.cat-hero h1 em{font-style:normal;color:var(--brand-600)}
.cat-hero .hero-sub{font-size:17px;color:var(--ink-700);line-height:1.8;max-width:560px}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cat-hero-visual{
  position:absolute;right:0;top:0;bottom:0;width:46%;z-index:1;
  overflow:hidden;
}
.cat-hero-visual img{
  width:100%;height:100%;object-fit:cover;opacity:.55;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 48%);
  mask-image:linear-gradient(90deg,transparent 0%,#000 48%);
}
.breadcrumb{
  font-size:13px;color:var(--ink-500);
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
}
.breadcrumb a{color:var(--ink-500);transition:color var(--t)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:rgba(30,26,25,.28)}
.breadcrumb .current{color:var(--ink-700);font-weight:600}

/* ---------- 下载卡 2+1 ---------- */
.dl-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(192,51,43,.18)}
.dl-card{display:flex;gap:20px;padding:28px}
.dl-card.wide{grid-column:1 / -1}
.dl-icon{
  flex:none;width:52px;height:52px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(192,51,43,.08);
  border:1px solid rgba(192,51,43,.16);
  color:var(--brand-700);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.dl-body{min-width:0;flex:1}
.dl-body h3{margin-bottom:8px;font-size:20px}
.dl-body .dl-note{font-size:14px;color:var(--ink-500);line-height:1.8}
.tick-list{margin:16px 0 18px;display:grid;gap:6px}
.tick-list li{position:relative;padding-left:22px;font-size:14px;line-height:1.85;color:var(--ink-700)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.66em;
  width:8px;height:8px;border-radius:2px;background:var(--brand-500);
}
.dl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;color:var(--brand-700);
  background:rgba(192,51,43,.08);
  border:1px solid rgba(192,51,43,.16);
  border-radius:999px;padding:4px 12px;
}
.tag.muted{color:var(--ink-500);background:rgba(30,26,25,.04);border-color:var(--line-strong)}

/* ---------- 系统要求表 ---------- */
.spec-table{
  width:100%;border-collapse:separate;border-spacing:0;
  background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;font-size:14px;
}
.spec-table th{
  background:var(--bg-200);color:var(--ink-900);
  font-size:14px;font-weight:600;text-align:left;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.spec-table td{
  padding:16px 20px;border-top:1px solid var(--line);
  color:var(--ink-700);line-height:1.75;vertical-align:top;
}
.spec-table tbody tr:first-child td{border-top:0}
.spec-table tbody tr:hover{background:rgba(192,51,43,.035)}
.spec-table td strong{color:var(--ink-900);font-weight:600}
.table-hint{margin-top:16px;font-size:13px;color:var(--ink-500)}

/* ---------- 提示条 ---------- */
.notice-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);padding:32px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.notice-item{position:relative;padding-left:0}
.notice-item + .notice-item{padding-left:28px;border-left:1px solid var(--line)}
.notice-item h3{font-size:17px;margin-bottom:8px}
.notice-item p{font-size:14px;color:var(--ink-500);line-height:1.85}
.notice-item .idx{
  display:inline-block;font-size:12px;font-weight:700;color:var(--gold-500);
  letter-spacing:.1em;margin-bottom:8px;font-variant-numeric:tabular-nums;
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:32px;max-width:860px}
.timeline::before{
  content:"";position:absolute;left:5px;top:10px;bottom:22px;width:2px;
  background:linear-gradient(180deg,var(--brand-500),rgba(192,51,43,.10));
}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:8px;
  width:12px;height:12px;border-radius:50%;
  background:var(--white);border:3px solid var(--brand-600);
  box-shadow:0 0 0 4px rgba(192,51,43,.10);
}
.tl-date{font-size:13px;font-weight:600;color:var(--brand-600);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tl-item h3{font-size:18px;margin:6px 0 6px}
.tl-item p{font-size:14px;color:var(--ink-500);line-height:1.85;max-width:720px}

/* ---------- 推荐卡 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.rec-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-200);border-bottom:1px solid var(--line)}
.rec-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.rec-card:hover .rec-media img{transform:scale(1.04)}
.rec-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:18px}
.rec-body p{font-size:14px;color:var(--ink-500);line-height:1.85;flex:1}

/* ---------- FAQ ---------- */
.faq{
  max-width:900px;margin:0 auto;
  background:var(--white);
  border:1px solid var(--line-strong);
  border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background var(--t),color var(--t);
}
.faq-q:hover{background:rgba(192,51,43,.045);color:var(--brand-700)}
.faq-icon{
  flex:none;color:var(--brand-600);font-size:20px;line-height:1;
  font-weight:600;transition:transform var(--t);
}
.faq-a{
  display:none;
  padding:0 24px 20px;
  font-size:15px;line-height:1.9;color:var(--ink-500);
}
.faq-item.open{background:var(--bg-200)}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-icon{transform:rotate(45deg)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--grad);
  border-radius:var(--r-lg);
  padding:42px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  color:#fff;box-shadow:var(--shadow-md);
  flex-wrap:wrap;
}
.cta-band h3{color:#fff;font-size:24px;margin-bottom:8px}
.cta-band p{font-size:14px;color:rgba(255,255,255,.86);line-height:1.8;max-width:620px}
.cta-side{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-note{width:100%;font-size:12px;color:rgba(255,255,255,.72);margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{background:#1E1A19;color:rgba(255,255,255,.68);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;
  padding:64px 0 48px;
}
.footer-brand p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.6);margin-top:16px;max-width:320px}
.footer-title{font-size:14px;font-weight:600;color:#F8F4EF;margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:13px;color:rgba(255,255,255,.68);transition:color var(--t)}
.footer-list a:hover{color:var(--brand-500)}
.footer-contact li{font-size:13px;margin-bottom:10px;color:rgba(255,255,255,.68)}
.footer-contact strong{color:rgba(255,255,255,.9);font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 40px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  h1{font-size:40px}
}
@media (max-width:992px){
  .nav-wrap{display:flex;justify-content:space-between;gap:16px}
  .nav-side{display:none}
  .nav-toggle{display:flex}
  .brand-text{font-size:16px}
  .cat-hero-visual{width:52%;opacity:.7}
  .dl-grid{grid-template-columns:1fr}
  .dl-card.wide{grid-column:auto}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .notice-card{grid-template-columns:1fr;gap:22px}
  .notice-item + .notice-item{padding-left:0;border-left:0;padding-top:22px;border-top:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:68px 0}
}
@media (max-width:767px){
  h1{font-size:30px}
  h2{font-size:24px}
  .cat-hero .container{padding-top:40px;padding-bottom:44px}
  .cat-hero-visual{display:none}
  .cat-hero .hero-sub{font-size:15px}
  .cat-hero-actions .btn{width:100%}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .dl-card{padding:22px;flex-direction:column;gap:16px}
  .rec-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 24px;flex-direction:column;align-items:flex-start;gap:22px}
  .cta-side .btn{width:100%}
  .spec-table thead{display:none}
  .spec-table,.spec-table tbody,.spec-table tr,.spec-table td{display:block;width:100%}
  .spec-table tr{
    border-top:1px solid var(--line);padding:6px 0;
  }
  .spec-table tr:first-child{border-top:0}
  .spec-table td{
    border-top:0;padding:8px 20px;
    display:flex;gap:16px;align-items:flex-start;
  }
  .spec-table td::before{
    content:attr(data-label);
    flex:none;width:88px;font-size:13px;font-weight:600;color:var(--ink-500);
  }
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a{padding:0 18px 18px;font-size:14px}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px;padding-bottom:32px}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .dl-icon{width:46px;height:46px;font-size:12px}
  .tag{font-size:11px;padding:3px 10px}
}

/* roulang page: category2 */
:root{
  --brand-600:#C0332B;
  --brand-700:#9E211C;
  --brand-500:#D9523F;
  --ink-900:#1E1A19;
  --ink-700:#3A3331;
  --ink-500:#7A6F6A;
  --bg-100:#F8F4EF;
  --bg-200:#F1EAE2;
  --card:#FFFDFB;
  --gold-500:#C9973F;
  --line:rgba(30,26,25,.08);
  --line-strong:#E3DAD2;
  --radius-xl:24px;
  --radius-lg:16px;
  --radius-md:12px;
  --shadow-sm:0 2px 8px rgba(30,26,25,.06);
  --shadow-md:0 10px 28px rgba(30,26,25,.10);
  --shadow-brand:0 12px 24px rgba(192,51,43,.22);
  --grad-brand:linear-gradient(135deg,#D9523F 0%,#9E211C 100%);
  --grad-soft:linear-gradient(180deg,#F8F4EF 0%,#F1EAE2 100%);
  --container:1200px;
}
@media (min-width:1200px) and (max-width:1439px){
  :root{--container:1140px;}
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg-100);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.25;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-md);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),background .25s ease,box-shadow .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-brand);
  color:#FFF7F5;
  box-shadow:0 6px 16px rgba(192,51,43,.18);
}
.btn-primary:hover{
  color:#FFF;
  transform:translateY(-2px);
  box-shadow:var(--shadow-brand);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(192,51,43,.2);}
.btn-ghost{
  background:transparent;
  border-color:var(--brand-600);
  color:var(--brand-600);
}
.btn-ghost:hover{
  background:var(--brand-600);
  border-color:var(--brand-600);
  color:#FFF7F5;
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-white{
  background:#FFFDFB;
  color:var(--brand-700);
  box-shadow:0 8px 20px rgba(30,26,25,.18);
}
.btn-white:hover{color:var(--brand-700);transform:translateY(-2px);box-shadow:0 14px 28px rgba(30,26,25,.24);}
.btn-block{width:100%;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-600);
  border-bottom:1px dashed rgba(192,51,43,.5);
  padding-bottom:2px;
}
.link-arrow:hover{border-bottom-style:solid;color:var(--brand-700);}
.link-arrow::after{content:"›";font-size:16px;line-height:1;}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(248,244,239,.94);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  backdrop-filter:saturate(1.15) blur(6px);
}
.header-inner{
  position:relative;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:76px;
}
.nav-side{
  display:flex;
  align-items:center;
  gap:6px;
  min-width:0;
}
.nav-left{justify-content:flex-end;padding-right:30px;}
.nav-right{justify-content:flex-start;padding-left:30px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
  border-radius:8px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--brand-600);
  transform:translateX(-50%);
  transition:width .25s ease;
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{width:60%;}
.nav-link.active{color:var(--brand-600);font-weight:600;}
.nav-link.active::after{width:60%;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-self:center;
  color:var(--ink-900);
}
.brand:hover{color:var(--ink-900);}
.brand-mark{
  width:28px;
  height:28px;
  border-radius:8px;
  background:var(--grad-brand);
  box-shadow:0 4px 10px rgba(192,51,43,.28);
  flex:0 0 auto;
  position:relative;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:8px;
  border:1.5px solid rgba(255,255,255,.86);
  border-radius:3px;
}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:.4px;
  white-space:nowrap;
}
.brand-text i{font-style:normal;color:var(--brand-600);padding:0 1px;}

.nav-toggle{
  display:none;
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#FFFDFB;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--ink-900);
  transition:transform .28s ease,opacity .2s 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{
  display:none;
  background:var(--bg-100);
  border-top:1px solid var(--line);
  padding:8px 20px 20px;
}
.mobile-drawer.is-open{display:block;animation:drawerIn .28s ease both;}
@keyframes drawerIn{
  from{opacity:0;transform:translateY(-10px);}
  to{opacity:1;transform:translateY(0);}
}
.drawer-link{
  display:flex;
  align-items:center;
  height:52px;
  font-size:16px;
  color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--brand-600);font-weight:600;}
.drawer-cta{margin-top:16px;}

/* ===== 页头 ===== */
.page-head{
  position:relative;
  overflow:hidden;
  background:var(--grad-soft);
  border-bottom:1px solid var(--line);
}
.page-head::after{
  content:"";
  position:absolute;
  right:-140px;
  top:-140px;
  width:380px;
  height:380px;
  border-radius:50%;
  border:1px solid rgba(192,51,43,.10);
  box-shadow:0 0 0 40px rgba(192,51,43,.045),0 0 0 84px rgba(192,51,43,.03);
  pointer-events:none;
}
.page-head-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:48px;
  align-items:center;
  padding-top:46px;
  padding-bottom:46px;
  min-height:268px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--brand-600);
  background:rgba(192,51,43,.08);
  border:1px solid rgba(192,51,43,.16);
  border-radius:999px;
  padding:5px 14px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-600);
}
.page-head h1{
  margin-top:18px;
  font-size:42px;
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.2px;
}
.page-head .head-sub{
  margin-top:16px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
}
.page-head .head-desc{
  margin-top:10px;
  max-width:560px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-500);
}
.page-head-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid rgba(30,26,25,.10);
  box-shadow:var(--shadow-md);
  aspect-ratio:3/2;
  background:var(--bg-200);
}
.page-head-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.page-head-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(30,26,25,0) 45%,rgba(30,26,25,.22) 100%);
}

/* ===== 指标条 ===== */
.metric-strip{
  position:relative;
  z-index:3;
  margin-top:-34px;
}
.metric-card{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-md);
  padding:24px 28px;
}
.metric{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:6px 10px;
  border-radius:var(--radius-md);
  transition:transform .25s ease,background .25s ease;
}
.metric:hover{transform:translateY(-2px);background:rgba(192,51,43,.04);}
.metric .num{
  font-size:26px;
  font-weight:800;
  color:var(--brand-600);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.metric .num small{font-size:14px;font-weight:600;margin-left:2px;}
.metric .lab{font-size:13px;color:var(--ink-500);}

/* ===== 通用板块 ===== */
.section{padding:88px 0;}
.section-alt{background:var(--grad-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:30px;
  font-weight:700;
  letter-spacing:-.2px;
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-500);
  max-width:620px;
}
.section-tag{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--brand-600);
  letter-spacing:1px;
  margin-bottom:10px;
}

/* ===== 支持主区 ===== */
.support-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:32px;
  align-items:start;
}
.guide-list{display:grid;gap:18px;}
.guide-card{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:20px;
  padding:28px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease,border-color .28s ease;
}
.guide-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(192,51,43,.18);
}
.guide-icon{
  width:56px;
  height:56px;
  border-radius:14px;
  background:rgba(192,51,43,.08);
  border:1px solid rgba(192,51,43,.16);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-600);
}
.guide-icon svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.guide-card h3{
  font-size:20px;
  font-weight:600;
  margin-bottom:8px;
}
.guide-card p{
  font-size:15px;
  color:var(--ink-500);
  line-height:1.85;
}
.guide-card .card-foot{margin-top:16px;}

.side-stack{display:grid;gap:24px;}
.contact-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-sm);
  padding:28px;
}
.contact-card h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.contact-card .tip{font-size:14px;color:var(--ink-500);line-height:1.8;margin-bottom:18px;}
.contact-rows{display:grid;gap:0;}
.contact-row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:14px;
  padding:13px 0;
  border-bottom:1px dashed var(--line-strong);
  font-size:14px;
}
.contact-row:last-child{border-bottom:0;}
.contact-row .k{color:var(--ink-500);flex:0 0 auto;}
.contact-row .v{color:var(--ink-900);font-weight:600;text-align:right;word-break:break-all;}
.contact-row .v.num{font-variant-numeric:tabular-nums;}
.contact-card .btn{margin-top:20px;}

/* ===== FAQ ===== */
.faq-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-sm);
  padding:28px;
}
.faq-panel h3{font-size:20px;font-weight:700;margin-bottom:16px;}
.faq-list{
  border:1px solid var(--line-strong);
  border-radius:var(--radius-md);
  overflow:hidden;
  background:#FFFDFB;
}
.faq-item + .faq-item{border-top:1px solid var(--line-strong);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:60px;
  padding:14px 20px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:15px;
  font-weight:600;
  color:var(--ink-900);
  transition:background .22s ease,color .22s ease;
}
.faq-q:hover{background:rgba(192,51,43,.04);color:var(--brand-600);}
.faq-q .icon{
  flex:0 0 auto;
  width:22px;
  height:22px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:600;
  color:var(--brand-600);
  background:rgba(192,51,43,.09);
  transition:transform .28s ease;
}
.faq-item.is-open .faq-q{background:var(--bg-200);color:var(--brand-700);}
.faq-item.is-open .faq-q .icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a p{
  padding:0 20px 20px;
  font-size:14.5px;
  line-height:1.9;
  color:var(--ink-500);
}

/* ===== 处理流程时间线 ===== */
.timeline{
  position:relative;
  margin-top:8px;
  padding-left:28px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:7px;
  top:8px;
  bottom:8px;
  width:2px;
  background:linear-gradient(180deg,rgba(192,51,43,.55),rgba(192,51,43,.08));
  border-radius:2px;
}
.timeline-item{
  position:relative;
  padding:0 0 30px 4px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:-28px;
  top:7px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:#FFFDFB;
  border:3px solid var(--brand-600);
  box-shadow:0 0 0 4px rgba(192,51,43,.10);
}
.timeline-item h3{
  font-size:19px;
  font-weight:600;
  margin-bottom:6px;
}
.timeline-item p{
  font-size:15px;
  color:var(--ink-500);
  line-height:1.85;
  max-width:760px;
}
.timeline-meta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-600);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}

/* ===== 同类推荐 ===== */
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.rec-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease,border-color .28s ease;
}
.rec-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(192,51,43,.18);
}
.rec-thumb{
  aspect-ratio:16/10;
  background:var(--bg-200);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.rec-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:18px;font-weight:600;line-height:1.45;}
.rec-body p{font-size:14px;color:var(--ink-500);line-height:1.8;}
.rec-body .card-foot{margin-top:auto;padding-top:6px;}

/* ===== CTA 条 ===== */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  background:var(--grad-brand);
  color:#FFF6F4;
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:0 18px 40px rgba(158,33,28,.22);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;
  bottom:-120px;
  width:300px;
  height:300px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 0 0 36px rgba(255,255,255,.07),0 0 0 72px rgba(255,255,255,.05);
  pointer-events:none;
}
.cta-band h3{
  color:#FFFDFB;
  font-size:26px;
  font-weight:700;
  letter-spacing:-.2px;
}
.cta-band p{
  margin-top:8px;
  font-size:14.5px;
  color:rgba(255,246,244,.85);
  max-width:640px;
}
.cta-band .cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  flex:0 0 auto;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.68);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:13px;
  line-height:1.9;
  color:rgba(255,255,255,.62);
  max-width:340px;
}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:#F8F4EF;
  margin-bottom:16px;
}
.footer-list li{margin-bottom:10px;}
.footer-list a{
  font-size:13px;
  color:rgba(255,255,255,.68);
}
.footer-list a:hover{color:var(--brand-500);}
.footer-contact li{
  font-size:13px;
  line-height:1.9;
  margin-bottom:10px;
  color:rgba(255,255,255,.68);
}
.footer-contact strong{
  color:#F8F4EF;
  font-weight:600;
  margin-right:4px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(255,255,255,.5);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .page-head h1{font-size:36px;}
  .page-head-inner{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
  .support-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
}

@media (max-width:991px){
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{grid-template-columns:1fr;justify-items:center;height:68px;}
  .brand{justify-self:center;}
  .brand-text{font-size:17px;}

  .page-head-inner{
    grid-template-columns:1fr;
    gap:28px;
    padding-top:40px;
    padding-bottom:40px;
    min-height:0;
  }
  .page-head h1{font-size:32px;}
  .page-head-media{max-width:460px;}

  .metric-card{grid-template-columns:repeat(2,1fr);gap:8px;padding:20px;}
  .section{padding:64px 0;}
  .support-grid{grid-template-columns:1fr;}
  .rec-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-head h1{font-size:29px;}
  .page-head .head-sub{font-size:16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .metric-strip{margin-top:-24px;}
  .metric-card{grid-template-columns:repeat(2,1fr);padding:18px 16px;}
  .metric .num{font-size:22px;}
  .guide-card{grid-template-columns:44px 1fr;gap:16px;padding:22px;}
  .guide-icon{width:44px;height:44px;border-radius:12px;}
  .guide-icon svg{width:22px;height:22px;}
  .guide-card h3{font-size:18px;}
  .contact-card,.faq-panel{padding:22px;}
  .rec-grid{grid-template-columns:1fr;}
  .cta-band h3{font-size:22px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .timeline{padding-left:24px;}
  .timeline-item::before{left:-24px;width:14px;height:14px;}
}

@media (max-width:479px){
  .page-head h1{font-size:26px;}
  .metric-card{grid-template-columns:1fr;}
  .btn{padding:0 20px;font-size:14px;}
  .brand-text{font-size:16px;}
}