/* roulang page: index */
:root{
  --ink:#2B1F1A;
  --ink-2:#5C3A2A;
  --terra:#C0724A;
  --terra-dark:#A85F3C;
  --champagne:#E9C9A8;
  --champagne-soft:#F1D9B8;
  --rose:#B98C86;
  --bg:#FBF6F1;
  --bg-2:#F3E9E0;
  --card:#FFFFFF;
  --line:#E6D9CE;
  --text:#221A16;
  --muted:#6C5E55;
  --inv:#F7EFE7;
  --ok:#5F6B57;
  --err:#B4553F;
  --grad-brand:linear-gradient(120deg,#2B1F1A 0%,#5C3A2A 48%,#C0724A 100%);
  --sh-1:0 2px 8px rgba(43,31,26,.05);
  --sh-2:0 12px 32px rgba(43,31,26,.08);
  --sh-3:0 24px 60px rgba(43,31,26,.12);
  --r-lg:24px;
  --r-md:18px;
  --r-img:20px;
  --r-input:14px;
  --sect:clamp(56px,7vw,104px);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--terra);text-decoration:none;}
a:hover{color:var(--terra-dark);}
h1,h2,h3,h4{margin:0;color:var(--ink);}
h1{font-size:clamp(28px,4.6vw,52px);line-height:1.2;font-weight:700;letter-spacing:.02em;}
h2{font-size:clamp(22px,3.2vw,34px);line-height:1.25;font-weight:700;}
h3{font-size:20px;line-height:1.35;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--terra);outline-offset:2px;}
.container,.container-fluid{--bs-gutter-x:clamp(28px,5vw,64px);}
@media (min-width:1200px){.container{max-width:1200px;}}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--grad-brand);color:var(--inv);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0;}
.topbar-domain{color:var(--champagne);font-weight:600;letter-spacing:.06em;}
.topbar-note{color:rgba(247,239,231,.74);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.topbar-right a{color:var(--inv);border-bottom:1px solid transparent;padding-bottom:1px;transition:color .2s,border-color .2s;}
.topbar-right a:hover{color:var(--champagne);border-bottom-color:var(--champagne);}
@media (max-width:767.98px){
  .topbar-note{display:none;}
  .topbar-right a:nth-child(2),.topbar-right a:nth-child(3){display:none;}
}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,246,241,.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);flex-shrink:0;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad-brand);
  color:var(--champagne-soft);display:grid;place-items:center;
  font-weight:800;font-size:14px;letter-spacing:.08em;
}
.brand-text strong{display:block;font-size:17px;font-weight:700;line-height:1.25;letter-spacing:.02em;}
.brand-text small{display:block;font-size:12px;color:var(--muted);letter-spacing:.06em;line-height:1.4;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 15px;border-radius:999px;color:var(--text);
  font-size:15px;font-weight:500;transition:background .2s,color .2s;
}
.nav-link:hover{background:var(--bg-2);color:var(--ink);}
.nav-link.active{color:var(--terra);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  border-radius:2px;background:var(--terra);
}
.nav-cta{margin-left:8px;}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--ink);display:grid;place-items:center;
}
.nav-toggle:hover{border-color:var(--terra);color:var(--terra);}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  border-radius:999px;font-weight:600;letter-spacing:.02em;border-width:1px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-terra{background:var(--terra);border-color:var(--terra);color:#fff;padding:11px 26px;}
.btn-terra:hover,.btn-terra:focus{background:var(--terra-dark);border-color:var(--terra-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(192,114,74,.28);}
.btn-ghost{background:transparent;border-color:rgba(233,201,168,.55);color:var(--inv);padding:11px 26px;}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(233,201,168,.14);border-color:var(--champagne);color:#fff;}
.btn-ink{background:var(--ink);border-color:var(--ink);color:var(--inv);padding:11px 26px;}
.btn-ink:hover{background:#3B2A22;border-color:#3B2A22;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-lg{padding:14px 32px;font-size:16px;}
.btn-sm{padding:8px 18px;font-size:14px;}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{background:var(--bg);border-left:0;width:min(88vw,360px);}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.drawer-title{font-weight:700;color:var(--ink);letter-spacing:.02em;}
.nav-drawer .btn-close{--bs-btn-close-focus-shadow:none;}
.nav-drawer .offcanvas-body{padding:16px 22px;display:flex;flex-direction:column;gap:6px;}
.drawer-link{
  display:block;padding:14px 16px;border-radius:var(--r-input);color:var(--text);
  font-size:16px;font-weight:500;background:#fff;border:1px solid var(--line);
}
.drawer-link:hover{border-color:var(--terra);color:var(--terra);}
.drawer-link.active{background:var(--grad-brand);color:var(--inv);border-color:transparent;}
.drawer-foot{padding:16px 22px 24px;border-top:1px solid var(--line);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sect) 0;position:relative;}
.section--soft{background:var(--bg-2);}
.section--glow{background:var(--bg);}
.section--glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 420px at 12% 0%,rgba(233,201,168,.20),transparent 68%);
}
.section > .container{position:relative;z-index:1;}
.section-head{max-width:760px;margin-bottom:clamp(28px,3.4vw,48px);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  letter-spacing:.14em;color:var(--terra);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--terra);}
.section-title{margin-bottom:14px;}
.section-sub{color:var(--muted);font-size:16px;max-width:42ch;}
.section-head.center .section-sub{margin-left:auto;margin-right:auto;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--bg-2);border:1px solid var(--line);color:var(--muted);
  font-size:12px;letter-spacing:.06em;line-height:1.7;
}
.tag--terra{background:rgba(192,114,74,.10);border-color:rgba(192,114,74,.30);color:var(--terra);}
.tag--rose{background:rgba(185,140,134,.12);border-color:rgba(185,140,134,.32);color:#8E6A64;}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--terra);}
.arrow-link svg{transition:transform .2s ease;}
.arrow-link:hover svg{transform:translateX(4px);}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(56px,7vw,110px) 0 clamp(52px,6vw,92px);color:var(--inv);}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;z-index:0;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(43,31,26,.93) 0%,rgba(92,58,42,.87) 48%,rgba(192,114,74,.82) 100%);}
.hero > .container{position:relative;z-index:1;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;padding:6px 16px;border-radius:999px;
  border:1px solid rgba(233,201,168,.42);color:var(--champagne);
  font-size:12.5px;letter-spacing:.08em;margin-bottom:22px;
}
.hero h1{color:#fff;max-width:20ch;}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:rgba(247,239,231,.84);max-width:38ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:30px;}
.hero-badges li{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(247,239,231,.88);}
.hero-badges li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--champagne);flex-shrink:0;}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-3);}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;background:#fff;border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--sh-3);max-width:250px;
}
.hero-float strong{display:block;font-size:15px;color:var(--ink);font-weight:700;line-height:1.5;}
.hero-float span{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.04em;margin-top:4px;}
@media (max-width:991.98px){
  .hero-float{left:auto;right:16px;bottom:-18px;}
  .hero h1,.hero-sub{max-width:none;}
}

/* ---------- 指标看板 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric-card{
  position:relative;background:var(--grad-brand);color:var(--inv);
  border-radius:var(--r-lg);padding:26px 24px;overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.metric-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--champagne),var(--terra));}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.metric-num{font-size:clamp(30px,3.4vw,42px);font-weight:700;line-height:1.1;color:var(--champagne-soft);letter-spacing:.01em;}
.metric-num em{font-style:normal;font-size:14px;font-weight:600;color:var(--terra);margin-left:6px;}
.metric-label{margin-top:12px;font-size:13px;line-height:1.65;color:rgba(247,239,231,.78);}
@media (max-width:991.98px){.metric-grid{grid-template-columns:repeat(2,1fr);gap:16px;}}

/* ---------- 服务矩阵 ---------- */
.svc-feature{
  position:relative;min-height:420px;border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:clamp(24px,3vw,38px);color:var(--inv);background:var(--ink);
}
.svc-feature img.bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;z-index:0;}
.svc-feature::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(43,31,26,.30) 0%,rgba(43,31,26,.92) 78%);z-index:1;}
.svc-feature > *{position:relative;z-index:2;}
.svc-feature h3{color:#fff;font-size:clamp(22px,2.4vw,28px);margin:14px 0 12px;}
.svc-feature p{color:rgba(247,239,231,.84);font-size:15.5px;max-width:34ch;}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(20px,2.4vw,28px);height:100%;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:transparent;}
.svc-num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:12px;background:rgba(192,114,74,.12);color:var(--terra);
  font-size:13px;font-weight:700;letter-spacing:.06em;
}
.svc-card h3{margin:16px 0 10px;}
.svc-card p{color:var(--muted);font-size:15px;}
.svc-list{margin:16px 0 18px;display:grid;gap:8px;}
.svc-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--muted);}
.svc-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--terra);}
.svc-wide{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(20px,2.6vw,30px);display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.svc-wide:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.svc-wide .svc-num{flex-shrink:0;}
.svc-wide .svc-wide-body{flex:1 1 320px;}
.svc-wide h3{margin-bottom:8px;}
.svc-wide p{color:var(--muted);font-size:15px;max-width:60ch;}

/* ---------- 结果对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
}
.compare-media{position:relative;}
.compare-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.compare-media span{
  position:absolute;left:16px;top:16px;padding:5px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.08em;font-weight:600;
}
.compare-media .badge-before{background:rgba(43,31,26,.78);color:var(--inv);}
.compare-media .badge-after{background:var(--terra);color:#fff;}
.compare-body{padding:clamp(20px,2.4vw,28px);flex:1;}
.compare-body h3{margin-bottom:14px;}
.compare-list{display:grid;gap:12px;}
.compare-list li{display:flex;gap:10px;font-size:15px;color:var(--muted);align-items:flex-start;}
.compare-list svg{flex-shrink:0;margin-top:5px;}
.bar-block{margin-top:clamp(28px,3.4vw,44px);display:grid;gap:20px;}
.bar-row{display:grid;grid-template-columns:150px 1fr 64px;align-items:center;gap:16px;}
.bar-row span{font-size:14px;color:var(--muted);}
.bar{height:8px;border-radius:999px;background:var(--bg-2);overflow:hidden;}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--terra),var(--champagne));}
.bar-num{text-align:right;font-weight:700;color:var(--terra);font-size:14px;}
@media (max-width:767.98px){
  .compare-grid{grid-template-columns:1fr;}
  .bar-row{grid-template-columns:110px 1fr 52px;gap:12px;}
}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:transparent;}
.news-thumb{display:block;overflow:hidden;background:var(--bg-2);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-title{margin:12px 0 10px;font-size:18px;line-height:1.5;}
.news-title a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--terra);}
.news-desc{
  color:var(--muted);font-size:14.5px;line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.empty-state{
  grid-column:1/-1;text-align:center;padding:clamp(36px,5vw,64px) 24px;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state svg{margin:0 auto 14px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px;}
.news-more{display:flex;justify-content:center;margin-top:36px;}
@media (max-width:991.98px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){.news-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-accordion{max-width:820px;}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--line);}
.faq-accordion .accordion-button{
  position:relative;background:transparent;color:var(--ink);font-size:17.5px;font-weight:600;
  padding:22px 52px 22px 22px;box-shadow:none;line-height:1.6;
  display:flex;align-items:baseline;gap:14px;
}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:0;border-radius:0 3px 3px 0;
  background:var(--terra);transform:translateY(-50%);transition:height .22s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::before{height:58%;}
.faq-accordion .accordion-button::after{
  content:"";width:9px;height:9px;background-image:none;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .22s ease,border-color .22s ease;
  position:absolute;right:18px;top:50%;margin:0;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--terra);}
.faq-accordion .accordion-button:not(.collapsed){color:var(--terra);background:transparent;}
.faq-accordion .accordion-button:focus{box-shadow:none;}
.faq-num{color:var(--terra);font-size:13px;font-weight:700;letter-spacing:.08em;flex-shrink:0;}
.faq-accordion .accordion-body{padding:0 52px 26px 60px;color:var(--muted);font-size:15.5px;line-height:1.85;max-width:760px;}
@media (max-width:575.98px){
  .faq-accordion .accordion-button{font-size:16px;padding:18px 44px 18px 16px;gap:10px;}
  .faq-accordion .accordion-body{padding:0 16px 22px 42px;}
}

/* ---------- 转化表单 ---------- */
.cta-card{
  background:var(--grad-brand);border-radius:var(--r-lg);color:var(--inv);
  padding:clamp(26px,3.6vw,50px);position:relative;overflow:hidden;
}
.cta-card::before{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(233,201,168,.20),transparent 70%);}
.cta-inner{position:relative;z-index:1;}
.cta-card h2{color:#fff;}
.cta-card .cta-sub{color:rgba(247,239,231,.82);font-size:15.5px;margin-top:14px;max-width:38ch;}
.cta-points{display:grid;gap:12px;margin-top:26px;}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(247,239,231,.88);align-items:flex-start;}
.cta-points svg{flex-shrink:0;margin-top:5px;}
.cta-meta{margin-top:28px;padding-top:20px;border-top:1px solid rgba(233,201,168,.22);font-size:13px;color:rgba(247,239,231,.66);letter-spacing:.03em;}
.form-panel{background:rgba(255,255,255,.06);border:1px solid rgba(233,201,168,.22);border-radius:var(--r-md);padding:clamp(20px,2.6vw,30px);} 
.form-label{font-size:13px;color:var(--champagne);letter-spacing:.06em;margin-bottom:6px;}
.form-control,.form-select{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  padding:12px 16px;font-size:15px;color:var(--text);line-height:1.6;
}
.form-control::placeholder{color:#A79889;}
.form-control:focus,.form-select:focus{border-color:var(--terra);box-shadow:0 0 0 4px rgba(192,114,74,.18);background:#fff;color:var(--text);}
.form-check-input{width:18px;height:18px;border-radius:6px;border-color:var(--line);margin-top:.28em;}
.form-check-input:checked{background-color:var(--terra);border-color:var(--terra);}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(192,114,74,.18);border-color:var(--terra);}
.form-check-label{font-size:13.5px;color:rgba(247,239,231,.78);}
.form-msg{margin-top:16px;font-size:14px;padding:10px 16px;border-radius:var(--r-input);}
.form-msg.ok{background:rgba(95,107,87,.20);color:#D8E2D0;border:1px solid rgba(95,107,87,.45);}
.form-msg.err{background:rgba(180,85,63,.18);color:#F3C7BB;border:1px solid rgba(180,85,63,.45);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(247,239,231,.76);padding:clamp(48px,6vw,80px) 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:34px;}
.footer-brand .brand-mark{background:linear-gradient(120deg,#5C3A2A 0%,#C0724A 100%);}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:rgba(247,239,231,.6);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(247,239,231,.68);max-width:34ch;}
.footer-title{color:#fff;font-size:15px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;}
.footer-link{display:block;color:rgba(247,239,231,.72);font-size:14px;padding:5px 0;transition:color .2s;}
.footer-link:hover{color:var(--champagne);}
.footer-contact li{font-size:14px;line-height:1.8;padding:4px 0;color:rgba(247,239,231,.72);}
.footer-contact strong{color:var(--champagne-soft);font-weight:600;}
.footer-bottom{
  margin-top:clamp(34px,4vw,52px);border-top:1px solid rgba(233,201,168,.18);
  padding:18px 0 22px;font-size:13px;color:rgba(247,239,231,.55);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.footer-bottom a{color:rgba(247,239,231,.7);}
.footer-bottom a:hover{color:var(--champagne);}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;}}

section[id]{scroll-margin-top:96px;}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --ink:#2B1F1A;
  --ink-2:#5C3A2A;
  --terra:#C0724A;
  --terra-deep:#A95F39;
  --champagne:#E9C9A8;
  --champagne-soft:#F1D9B8;
  --rose:#B98C86;
  --bg:#FBF6F1;
  --bg-2:#F3E9E0;
  --card:#FFFFFF;
  --line:#E6D9CE;
  --text:#221A16;
  --text-2:#6C5E55;
  --inv:#F7EFE7;
  --ok:#5F6B57;
  --err:#B4553F;
  --grad-brand:linear-gradient(120deg,#2B1F1A 0%,#5C3A2A 48%,#C0724A 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 2px 8px rgba(43,31,26,.05);
  --sh-2:0 12px 32px rgba(43,31,26,.08);
  --sh-3:0 24px 60px rgba(43,31,26,.12);
}
*{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(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--text)}
p{margin:0}
::selection{background:rgba(192,114,74,.22)}
:focus-visible{outline:2px solid var(--terra);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;width:100%;margin-inline:auto;padding-inline:clamp(16px,4vw,32px)}
.num{font-variant-numeric:tabular-nums}

/* 顶部信息条 */
.topbar{background:var(--grad-brand);color:var(--inv);font-size:12.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-block:6px}
.topbar-left{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.topbar-left .dot{width:5px;height:5px;border-radius:50%;background:var(--champagne);display:inline-block;margin-right:7px;vertical-align:middle}
.topbar-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topbar a{color:var(--champagne-soft)}
.topbar a:hover{color:#fff;text-decoration:underline}
@media(max-width:767.98px){
  .topbar-left{display:none}
  .topbar-right{gap:14px;width:100%;justify-content:space-between}
  .topbar-hide-sm{display:none}
}

/* 主导航 */
.nav-shell{position:sticky;top:0;z-index:1030;background:rgba(251,246,241,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.nav-shell.is-stuck{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:44px;height:44px;border-radius:14px;background:var(--grad-brand);color:var(--champagne-soft);display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:.06em;flex:0 0 auto}
.brand-text strong{display:block;font-size:17px;line-height:1.25;font-weight:700;letter-spacing:.01em}
.brand-text small{display:block;font-size:12px;line-height:1.4;color:var(--text-2);letter-spacing:.06em}
.nav-main{gap:4px;align-items:center}
.nav-link{padding:8px 14px;border-radius:999px;font-size:15px;color:var(--text);position:relative}
.nav-link:hover{color:var(--terra);background:rgba(233,201,168,.3)}
.nav-link.active{color:var(--terra);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--terra)}
.nav-toggle{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink);display:grid;place-items:center;transition:.2s}
.nav-toggle:hover{border-color:var(--terra);color:var(--terra)}
.mobile-nav{display:flex;flex-direction:column;gap:6px;padding:14px 0 22px}
.mobile-nav .m-link{padding:12px 16px;border-radius:14px;background:#fff;border:1px solid var(--line);font-size:15px;color:var(--text)}
.mobile-nav .m-link:hover,.mobile-nav .m-link.active{border-color:var(--terra);color:var(--terra)}

/* 按钮 */
.btn{border:none;border-radius:999px;font-weight:600;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out}
.btn-terra{background:var(--terra);color:#fff;padding:12px 26px;box-shadow:var(--sh-1)}
.btn-terra:hover,.btn-terra:focus{background:var(--terra-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink);padding:11px 24px}
.btn-ghost:hover{border-color:var(--terra);color:var(--terra);background:rgba(233,201,168,.18)}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-champagne{background:var(--champagne);color:var(--ink);padding:12px 26px}
.btn-champagne:hover{background:var(--champagne-soft);color:var(--ink);transform:translateY(-2px)}

/* 面包屑 */
.crumbs{font-size:13.5px;color:var(--text-2);display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:22px}
.crumbs a:hover{color:var(--terra)}
.crumbs .sep{color:var(--rose)}
.crumbs .cur{color:var(--text);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头部 */
.article-hero{padding:clamp(26px,4vw,46px) 0 clamp(22px,3vw,34px);position:relative}
.article-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(680px 320px at 12% 0%,rgba(233,201,168,.28),transparent 70%);pointer-events:none}
.article-hero .container{position:relative}
.badge-cat{display:inline-flex;align-items:center;gap:7px;background:rgba(192,114,74,.12);color:var(--terra);border:1px solid rgba(192,114,74,.28);border-radius:999px;padding:5px 15px;font-size:12.5px;letter-spacing:.06em}
.article-head{max-width:860px}
h1.article-title{font-size:clamp(28px,4.4vw,46px);line-height:1.22;font-weight:700;letter-spacing:.02em;margin:18px 0 18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13.5px;color:var(--text-2);border-top:1px solid var(--line);padding-top:16px}
.article-meta span i{color:var(--terra);margin-right:6px}
.meta-tools{margin-left:auto;display:flex;align-items:center;gap:8px}
.share-btn{width:34px;height:34px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text-2);display:grid;place-items:center;font-size:13px;transition:.2s}
.share-btn:hover{border-color:var(--terra);color:var(--terra);transform:translateY(-2px)}

/* 封面 */
.cover-figure{margin:0 0 clamp(26px,4vw,44px);border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/9;background:var(--bg-2);position:relative}
.cover-figure img{width:100%;height:100%;object-fit:cover}
.cover-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 22px;font-size:13px;color:var(--inv);background:linear-gradient(0deg,rgba(43,31,26,.78),rgba(43,31,26,0));letter-spacing:.02em}

/* 正文 */
.reading{max-width:820px;margin:0 auto}
.article-body{font-size:17px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body p{margin:0 0 1.1em}
.article-body h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3;margin:2em 0 .75em;padding-left:16px;border-left:3px solid var(--terra);letter-spacing:.01em}
.article-body h3{font-size:21px;font-weight:600;line-height:1.35;margin:1.6em 0 .6em}
.article-body h4{font-size:18px;font-weight:600;margin:1.4em 0 .5em}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--bg-2);border-left:4px solid var(--terra);border-radius:0 14px 14px 0;color:var(--text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em}
.article-body li{margin:.42em 0}
.article-body ul{list-style:square}
.article-body ul ::marker,.article-body ol ::marker{color:var(--terra)}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body a{color:var(--terra);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--terra-deep)}
.article-body img{border-radius:20px;margin:1.4em 0;box-shadow:var(--sh-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-2);margin-top:10px}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;font-size:15.5px;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.article-body thead th{background:var(--bg-2);text-align:left;padding:12px 16px;font-weight:600;color:var(--ink)}
.article-body td{padding:12px 16px;border-top:1px solid var(--line);color:var(--text-2)}
.article-body tbody tr:nth-child(even) td{background:#FDFAF7}
.article-body pre{background:var(--ink);color:var(--champagne-soft);padding:18px 20px;border-radius:14px;overflow:auto;font-size:14px;line-height:1.7;margin:1.6em 0}
.article-body code{background:var(--bg-2);padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--ink-2)}
.article-body pre code{background:transparent;color:inherit;padding:0}

/* 空态 */
.article-empty{text-align:center;padding:clamp(36px,6vw,72px) 24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.article-empty .ico{width:64px;height:64px;border-radius:20px;background:var(--bg-2);color:var(--terra);display:grid;place-items:center;font-size:24px;margin:0 auto 20px}
.article-empty h2{font-size:24px;margin-bottom:12px}
.article-empty p{color:var(--text-2);max-width:520px;margin:0 auto 24px}

/* 上下篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:clamp(38px,5vw,64px) 0 0}
.pn-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px;display:flex;flex-direction:column;gap:6px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.pn-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--champagne)}
.pn-label{font-size:12.5px;letter-spacing:.08em;color:var(--terra);display:flex;align-items:center;gap:6px}
.pn-item strong{font-size:16px;font-weight:600;line-height:1.5;color:var(--ink)}
.pn-next{text-align:right}
.pn-next .pn-label{justify-content:flex-end}
@media(max-width:575.98px){.post-nav{grid-template-columns:1fr}}

/* 通用板块头 */
.section{padding:clamp(48px,6vw,88px) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:clamp(24px,3vw,38px)}
.eyebrow{font-size:12.5px;letter-spacing:.14em;color:var(--terra);text-transform:uppercase;margin-bottom:10px;display:block}
.section-title{font-size:clamp(22px,3.2vw,34px);font-weight:700;line-height:1.25;letter-spacing:.01em}
.section-sub{color:var(--text-2);font-size:15px;margin-top:12px;max-width:62ch}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.rel-thumb{aspect-ratio:16/9;background:var(--bg-2);overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-tag{align-self:flex-start;font-size:12px;letter-spacing:.06em;color:var(--terra);background:rgba(192,114,74,.1);border:1px solid rgba(192,114,74,.24);border-radius:999px;padding:3px 12px}
.rel-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-desc{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-2);border-top:1px solid var(--line);padding-top:12px}
.rel-foot i{color:var(--terra)}
@media(max-width:991.98px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:575.98px){.rel-grid{grid-template-columns:1fr}}

/* CTA 条 */
.cta-band{background:var(--grad-brand);border-radius:var(--r-lg);padding:clamp(28px,4vw,48px);color:var(--inv);box-shadow:var(--sh-2);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;width:320px;height:320px;right:-90px;top:-110px;border-radius:50%;background:radial-gradient(circle,rgba(233,201,168,.26),transparent 68%)}
.cta-band .inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(20px,2.6vw,28px);line-height:1.3;font-weight:700;margin-bottom:10px}
.cta-band p{color:var(--champagne-soft);font-size:15px;max-width:56ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

.back-row{display:flex;justify-content:center;margin-top:clamp(30px,4vw,48px)}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--inv);padding:clamp(44px,5vw,72px) 0 0;margin-top:clamp(48px,6vw,84px)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-desc{color:#C9B6A8;font-size:14px;line-height:1.85;margin-top:18px;max-width:38ch}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-link{display:block;color:#C9B6A8;font-size:14px;padding:5px 0}
.footer-link:hover{color:var(--champagne)}
.footer-contact{list-style:none;padding:0;margin:0;color:#C9B6A8;font-size:14px}
.footer-contact li{padding:5px 0}
.footer-contact strong{color:var(--champagne)}
.footer-bottom{margin-top:38px;border-top:1px solid rgba(247,239,231,.14);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#9F8C7E}
@media(max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:28px}}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
/* ================= 设计系统 ================= */
:root{
  --ink:#2B1F1A;
  --ink-2:#5C3A2A;
  --terra:#C0724A;
  --terra-dark:#9C5734;
  --champagne:#E9C9A8;
  --champagne-soft:#F1D9B8;
  --rose:#B98C86;
  --bg:#FBF6F1;
  --bg-2:#F3E9E0;
  --card:#FFFFFF;
  --line:#E6D9CE;
  --text:#221A16;
  --text-2:#6C5E55;
  --on-ink:#F7EFE7;
  --ok:#5F6B57;
  --err:#B4553F;
  --grad-brand:linear-gradient(120deg,#2B1F1A 0%,#5C3A2A 48%,#C0724A 100%);
  --sh-1:0 2px 8px rgba(43,31,26,.05);
  --sh-2:0 12px 32px rgba(43,31,26,.08);
  --sh-3:0 24px 60px rgba(43,31,26,.12);
  --r-lg:24px;
  --r-md:18px;
  --r-img:20px;
  --r-input:14px;
  --r-pill:999px;

  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-color:#221A16;
  --bs-body-bg:#FBF6F1;
  --bs-link-color:#C0724A;
  --bs-link-hover-color:#9C5734;
  --bs-border-color:#E6D9CE;
  --bs-primary:#C0724A;
  --bs-border-radius:18px;
}

*,*::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",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--terra);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--terra-dark);}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 1.05em;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--terra);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:clamp(16px,4vw,32px);
  padding-right:clamp(16px,4vw,32px);
}
@media (min-width:1400px){ .container{max-width:1280px;} }

.section{padding:clamp(56px,7vw,104px) 0;}
.section-tight{padding:clamp(40px,5vw,72px) 0;}
.bg-soft{background:var(--bg-2);}
.bg-plain{background:var(--bg);}

.sec-head{max-width:760px;margin-bottom:clamp(28px,3.4vw,48px);}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;font-weight:600;
  color:var(--terra);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--terra);border-radius:2px;}
h1{font-size:clamp(28px,4.6vw,52px);line-height:1.2;font-weight:700;letter-spacing:.02em;}
h2{font-size:clamp(22px,3.2vw,34px);line-height:1.25;font-weight:700;}
h3{font-size:20px;line-height:1.35;font-weight:600;}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:16.5px;max-width:42em;}
.lead{font-size:17px;color:var(--text-2);}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  padding:13px 26px;
  font-size:15.5px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  text-align:center;
}
.btn-terra{background:var(--terra);color:#fff;box-shadow:var(--sh-1);}
.btn-terra:hover{background:var(--terra-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-terra:active{transform:translateY(0);}
.btn-ink{background:var(--ink);color:var(--on-ink);}
.btn-ink:hover{background:#3a2a23;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--terra);color:var(--terra);background:#fff;transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:var(--on-ink);border-color:rgba(233,201,168,.55);}
.btn-ghost-light:hover{background:rgba(233,201,168,.14);color:#fff;border-color:var(--champagne);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:15px;color:var(--terra);
}
.link-arrow svg{transition:transform .2s ease-out;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ================= 顶部信息条 ================= */
.topbar{
  background:var(--grad-brand);
  color:var(--on-ink);
  font-size:12.5px;
  letter-spacing:.03em;
  min-height:40px;
}
.topbar .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:40px;padding-top:6px;padding-bottom:6px;
}
.topbar-left{display:flex;align-items:center;gap:10px;color:rgba(247,239,231,.86);}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--champagne);display:inline-block;}
.topbar-right{display:flex;align-items:center;gap:18px;}
.topbar-right a{color:rgba(247,239,231,.9);}
.topbar-right a:hover{color:var(--champagne);text-decoration:underline;}
.topbar-right .tb-sep{width:1px;height:12px;background:rgba(233,201,168,.35);}
@media (max-width:767px){
  .topbar-left{display:none;}
  .topbar-right .tb-hide{display:none;}
}

/* ================= 主导航 ================= */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(251,246,241,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.site-header.is-scrolled{
  box-shadow:var(--sh-1);
  border-bottom-color:var(--line);
  background:rgba(251,246,241,.98);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:74px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad-brand);color:var(--champagne-soft);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.06em;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.02em;}
.brand-text small{font-size:11.5px;color:var(--text-2);letter-spacing:.08em;}
.nav-main{display:none;align-items:center;gap:6px;}
@media (min-width:992px){ .nav-main{display:flex;} }
.nav-main .nav-link{
  position:relative;
  padding:10px 14px;border-radius:var(--r-pill);
  color:var(--text);font-size:15.5px;font-weight:500;
  transition:color .2s ease-out,background-color .2s ease-out;
}
.nav-main .nav-link:hover{color:var(--terra);background:rgba(233,201,168,.22);}
.nav-main .nav-link.active{color:var(--terra);font-weight:700;background:rgba(233,201,168,.28);}
.nav-cta{margin-left:10px;}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--terra);color:var(--terra);}
@media (min-width:992px){ .nav-toggle{display:none;} }

/* 移动端抽屉 */
.offcanvas.mobile-drawer{
  width:min(88vw,360px);
  background:var(--bg);
  color:var(--text);
  border-left:1px solid var(--line);
}
.mobile-drawer .drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-body{padding:12px 20px 24px;display:flex;flex-direction:column;gap:6px;}
.mobile-drawer .drawer-link{
  padding:14px 12px;border-radius:var(--r-md);
  color:var(--text);font-size:16.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;
  border:1px solid transparent;
}
.mobile-drawer .drawer-link:hover{background:#fff;border-color:var(--line);color:var(--terra);}
.mobile-drawer .drawer-link.active{background:#fff;border-color:var(--champagne);color:var(--terra);}
.mobile-drawer .drawer-foot{margin-top:auto;padding:18px 20px 28px;border-top:1px solid var(--line);}

/* ================= 面包屑 ================= */
.crumb-bar{padding:18px 0 6px;font-size:14px;color:var(--text-2);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--terra);}
.crumb .sep{color:var(--rose);}
.crumb .now{color:var(--ink);font-weight:600;}

/* ================= 分类 Hero ================= */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:clamp(36px,5vw,64px) 0 clamp(44px,6vw,84px);
  background:
    radial-gradient(circle at 88% 12%, rgba(233,201,168,.30) 0%, rgba(233,201,168,0) 46%),
    radial-gradient(circle at 4% 88%, rgba(192,114,74,.10) 0%, rgba(192,114,74,0) 42%),
    var(--bg);
}
.cat-hero-grid{
  display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,52px);align-items:center;
}
@media (min-width:992px){
  .cat-hero-grid{grid-template-columns:7fr 5fr;}
}
.cat-hero h1{max-width:20em;}
.cat-hero .lead{margin-top:18px;max-width:38em;font-size:17px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);box-shadow:var(--sh-1);
}
.trust-chip svg{color:var(--terra);flex:0 0 auto;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-2);
  background:var(--bg-2);
}
.float-badge{
  position:absolute;left:-8px;bottom:-18px;
  background:var(--ink);color:var(--champagne-soft);
  border-radius:var(--r-md);padding:14px 18px;
  box-shadow:var(--sh-3);min-width:172px;
}
.float-badge .fb-num{font-size:28px;font-weight:700;line-height:1.1;}
.float-badge .fb-num span{font-size:13px;color:var(--champagne);margin-left:2px;}
.float-badge .fb-label{font-size:12.5px;color:rgba(247,239,231,.78);letter-spacing:.05em;margin-top:2px;}
@media (max-width:575px){
  .float-badge{left:8px;bottom:-14px;padding:12px 14px;}
  .float-badge .fb-num{font-size:24px;}
}

/* ================= KPI 数据徽章条 ================= */
.kpi-strip{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
  margin-top:clamp(34px,4vw,52px);
}
@media (min-width:768px){ .kpi-strip{grid-template-columns:repeat(4,1fr);gap:18px;} }
.kpi{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 18px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.kpi::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-brand);
}
.kpi:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.kpi .k-num{font-size:30px;font-weight:700;color:var(--ink);line-height:1.15;}
.kpi .k-num em{font-style:normal;font-size:14px;color:var(--terra);margin-left:2px;font-weight:600;}
.kpi .k-label{margin-top:6px;font-size:13px;color:var(--text-2);}

/* ================= 筛选 + 卡片网格 ================= */
.filter-layout{display:grid;grid-template-columns:1fr;gap:clamp(22px,3vw,36px);}
@media (min-width:992px){ .filter-layout{grid-template-columns:236px 1fr;} }
.filter-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
  align-self:start;
}
@media (min-width:992px){ .filter-panel{position:sticky;top:104px;} }
.filter-panel h3{font-size:15px;letter-spacing:.06em;color:var(--text-2);font-weight:600;margin-bottom:14px;}
.filter-list{display:flex;flex-wrap:wrap;gap:10px;}
@media (min-width:992px){ .filter-list{flex-direction:column;flex-wrap:nowrap;} }
.filter-chip{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg);
  color:var(--text);font-size:14.5px;font-weight:500;
  transition:all .2s ease-out;cursor:pointer;
}
.filter-chip:hover{border-color:var(--terra);color:var(--terra);background:#fff;}
.filter-chip.active{background:var(--ink);border-color:var(--ink);color:var(--champagne-soft);font-weight:600;}
.filter-chip .cnt{font-size:12px;opacity:.7;}
.filter-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-2);line-height:1.7;
}

.card-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:768px){ .card-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1200px){ .card-grid{grid-template-columns:repeat(3,1fr);} }

.spec-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  height:100%;
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--champagne);}
.spec-card .thumb{position:relative;background:var(--bg-2);}
.spec-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.spec-card .tag{
  position:absolute;left:14px;top:14px;
  background:rgba(43,31,26,.86);color:var(--champagne-soft);
  font-size:12px;letter-spacing:.05em;font-weight:600;
  padding:6px 12px;border-radius:var(--r-pill);
  backdrop-filter:blur(4px);
}
.spec-card .body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.spec-card h3{font-size:19px;}
.spec-card .points{display:flex;flex-direction:column;gap:7px;font-size:14.5px;color:var(--text-2);}
.spec-card .points li{display:flex;gap:9px;line-height:1.6;}
.spec-card .points li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;margin-top:9px;
  background:var(--terra);border-radius:2px;
}
.spec-card .foot{margin-top:auto;padding-top:6px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.spec-card .price{font-size:13.5px;color:var(--text-2);}
.spec-card .price strong{color:var(--terra);font-size:16px;}

/* ================= 长文说明区 ================= */
.rich-wrap{display:grid;grid-template-columns:1fr;gap:clamp(24px,3vw,44px);}
@media (min-width:992px){ .rich-wrap{grid-template-columns:minmax(0,1fr) 320px;} }
.rich-text{max-width:42em;}
.rich-text h2{margin-bottom:18px;}
.rich-text h3{margin:28px 0 12px;font-size:19px;display:flex;gap:10px;align-items:center;}
.rich-text h3::before{content:"";width:3px;height:18px;background:var(--terra);border-radius:2px;}
.rich-text p{color:#332822;font-size:16.5px;line-height:1.9;}
.rich-text .quote{
  margin:22px 0;padding:18px 22px;border-left:4px solid var(--terra);
  background:var(--bg-2);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);font-size:15.5px;
}
.rich-text .inline-link{font-weight:600;border-bottom:1px solid var(--champagne);}
.rich-text .inline-link:hover{border-bottom-color:var(--terra);}
.side-panel{
  display:flex;flex-direction:column;gap:18px;align-self:start;
}
@media (min-width:992px){ .side-panel{position:sticky;top:104px;} }
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card.dark{background:var(--grad-brand);border-color:transparent;color:var(--on-ink);}
.side-card.dark h3{color:#fff;}
.side-card.dark p{color:rgba(247,239,231,.84);font-size:14.5px;}
.side-list{display:flex;flex-direction:column;gap:12px;margin-top:14px;}
.side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);}
.side-card.dark .side-list li{color:rgba(247,239,231,.85);}
.side-list li .idx{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--bg-2);color:var(--terra);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;margin-top:3px;
}
.side-card.dark .side-list li .idx{background:rgba(233,201,168,.18);color:var(--champagne-soft);}

/* ================= FAQ ================= */
.faq-acc{max-width:860px;}
.faq-acc .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.faq-acc .accordion-item:first-child{border-top:1px solid var(--line);}
.faq-acc .accordion-header{margin:0;}
.faq-acc .accordion-button{
  position:relative;
  display:flex;align-items:flex-start;gap:14px;
  width:100%;padding:22px 44px 22px 20px;
  background:transparent;box-shadow:none;border:0;
  font-size:17.5px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .accordion-button::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:26px;background:var(--terra);border-radius:2px;
  transition:transform .2s ease-out;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--terra);}
.faq-acc .accordion-button:not(.collapsed)::before{transform:translateY(-50%) scaleY(1);}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--terra);outline-offset:-2px;}
.faq-acc .faq-num{
  flex:0 0 auto;font-size:14px;font-weight:700;color:var(--terra);
  letter-spacing:.04em;margin-top:3px;
}
.faq-acc .faq-chev{
  position:absolute;right:14px;top:24px;width:18px;height:18px;color:var(--text-2);
  transition:transform .2s ease-out,color .2s ease-out;
}
.faq-acc .accordion-button:not(.collapsed) .faq-chev{transform:rotate(180deg);color:var(--terra);}
.faq-acc .accordion-body{
  padding:0 20px 24px 52px;max-width:760px;
  font-size:15.5px;line-height:1.85;color:var(--text-2);
}
@media (max-width:575px){
  .faq-acc .accordion-button{font-size:16px;padding:18px 38px 18px 14px;}
  .faq-acc .accordion-body{padding:0 14px 20px 14px;}
  .faq-acc .faq-chev{right:8px;top:20px;}
}

/* ================= 转化表单 ================= */
.convert-card{
  background:var(--grad-brand);
  border-radius:var(--r-lg);
  color:var(--on-ink);
  padding:clamp(26px,3.4vw,48px);
  box-shadow:var(--sh-3);
  display:grid;grid-template-columns:1fr;gap:clamp(24px,3vw,44px);
}
@media (min-width:992px){ .convert-card{grid-template-columns:1fr 1fr;} }
.convert-card h2{color:#fff;}
.convert-card .cc-desc{color:rgba(247,239,231,.86);margin-top:14px;font-size:15.5px;max-width:34em;}
.cc-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cc-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(233,201,168,.42);
  background:rgba(233,201,168,.10);
  color:var(--champagne-soft);font-size:13px;
}
.cc-time{margin-top:22px;font-size:13.5px;color:rgba(247,239,231,.72);}

.convert-form{
  background:#fff;border-radius:var(--r-md);
  padding:clamp(20px,2.4vw,30px);
  display:grid;grid-template-columns:1fr;gap:14px;
}
@media (min-width:768px){ .convert-form{grid-template-columns:1fr 1fr;} }
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:var(--text-2);letter-spacing:.02em;}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 15px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:#fff;
  color:var(--text);
  font-size:15px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
  appearance:none;
}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236C5E55' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:40px;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--terra);
  box-shadow:0 0 0 3px rgba(192,114,74,.18);
}
.field input::placeholder,.field textarea::placeholder{color:#A1928A;}
.check-row{
  grid-column:1 / -1;
  display:flex;align-items:flex-start;gap:10px;
  font-size:13.5px;color:var(--text-2);line-height:1.6;
}
.check-row input[type="checkbox"]{
  width:18px;height:18px;flex:0 0 18px;margin-top:3px;
  accent-color:var(--terra);border-radius:4px;
}
.form-submit{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.form-hint{font-size:13px;color:var(--text-2);}
.form-ok{
  grid-column:1 / -1;display:none;align-items:center;gap:10px;
  padding:12px 15px;border-radius:var(--r-input);
  background:rgba(95,107,87,.12);color:var(--ok);
  font-size:14px;font-weight:600;
}
.form-ok svg{flex:0 0 auto;}

/* ================= 页脚 ================= */
.site-footer{
  background:var(--ink);
  color:var(--on-ink);
  padding:clamp(44px,5vw,72px) 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(233,201,168,.16);
}
@media (min-width:576px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:992px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;} }
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:rgba(247,239,231,.62);}
.footer-desc{
  margin-top:16px;font-size:14.5px;line-height:1.85;
  color:rgba(247,239,231,.72);max-width:30em;
}
.footer-title{
  font-size:14px;letter-spacing:.1em;font-weight:600;
  color:var(--champagne);margin-bottom:16px;text-transform:uppercase;
}
.footer-link{
  display:block;padding:7px 0;font-size:14.5px;
  color:rgba(247,239,231,.78);
}
.footer-link:hover{color:var(--champagne);}
.footer-contact li{
  font-size:14.5px;color:rgba(247,239,231,.78);
  padding:6px 0;line-height:1.7;
}
.footer-contact strong{color:var(--champagne-soft);font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 28px;font-size:13px;color:rgba(247,239,231,.58);
}
@media (max-width:767px){ .footer-bottom{flex-direction:column;} }

/* ================= 其它 ================= */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink:#2B1F1A;
  --ink-2:#5C3A2A;
  --terra:#C0724A;
  --terra-dark:#A85D36;
  --champagne:#E9C9A8;
  --champagne-soft:#F1D9B8;
  --rose:#B98C86;
  --bg:#FBF6F1;
  --bg-2:#F3E9E0;
  --card:#FFFFFF;
  --line:#E6D9CE;
  --text:#221A16;
  --muted:#6C5E55;
  --inv:#F7EFE7;
  --grad-brand:linear-gradient(120deg,#2B1F1A 0%,#5C3A2A 48%,#C0724A 100%);
  --sh-1:0 2px 8px rgba(43,31,26,.05);
  --sh-2:0 12px 32px rgba(43,31,26,.08);
  --sh-3:0 24px 60px rgba(43,31,26,.12);
  --r-lg:24px;
  --r-md:18px;
  --r-img:20px;
  --r-in:14px;
  --r-pill:999px;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-body-font-family:var(--sans);
  --bs-primary:#C0724A;
  --bs-link-color:#C0724A;
  --bs-link-hover-color:#A85D36;
  --bs-body-color:#221A16;
  --bs-border-color:#E6D9CE;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--terra);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--terra-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--terra);outline-offset:2px}

.container{max-width:1200px;padding-inline:clamp(16px,4vw,32px);width:100%;margin-inline:auto}
@media (min-width:1400px){.container{max-width:1280px}}

.section{padding-block:clamp(56px,7vw,104px)}
.section-tight{padding-block:clamp(44px,5vw,72px)}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--grad-brand);
  color:var(--inv);
  font-size:12.5px;
  letter-spacing:.02em;
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;min-height:40px;padding-block:6px;
}
.topbar-left{display:flex;align-items:center;gap:.7rem;min-width:0}
.topbar-left .dot{width:7px;height:7px;border-radius:50%;background:var(--champagne);flex:0 0 auto;box-shadow:0 0 0 3px rgba(233,201,168,.22)}
.topbar-tip{color:rgba(247,239,231,.82);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:1.2rem;flex:0 0 auto}
.topbar-right a{color:var(--inv);border-bottom:1px solid transparent;transition:border-color .2s ease-out,color .2s ease-out}
.topbar-right a:hover{color:var(--champagne);border-bottom-color:var(--champagne)}
@media (max-width:767px){
  .topbar-tip{display:none}
  .topbar-right a.topbar-hide{display:none}
}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,246,241,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-header.is-stuck{box-shadow:var(--sh-1);border-bottom-color:var(--line)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding-block:12px;
}
.brand{display:inline-flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--text)}
.brand-mark{
  width:42px;height:42px;flex:0 0 auto;border-radius:14px;
  background:var(--grad-brand);color:var(--champagne-soft);
  display:grid;place-items:center;font-size:15px;font-weight:700;letter-spacing:.06em;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.04em}
.brand-text small{font-size:12px;color:var(--muted);letter-spacing:.04em}
.nav-main{align-items:center;gap:1.5rem}
.nav-main .nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:.35rem 0;text-decoration:none;
}
.nav-main .nav-link:hover{color:var(--terra)}
.nav-main .nav-link.active{color:var(--terra);font-weight:600}
.nav-main .nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;
  border-radius:2px;background:var(--terra);
}
.nav-main .nav-cta{margin-left:.4rem}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);border-radius:14px;
  background:#fff;display:grid;place-items:center;box-shadow:var(--sh-1);
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--text)}
.nav-drawer{background:var(--bg);max-width:330px;border-left:1px solid var(--line)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.nav-drawer .offcanvas-body{padding:8px 20px 20px}
.drawer-link{
  display:block;padding:.95rem 0;border-bottom:1px solid var(--line);
  color:var(--text);font-size:16px;font-weight:500;
}
.drawer-link:hover{color:var(--terra)}
.drawer-link.active{color:var(--terra);font-weight:600}
.drawer-foot{padding:0 20px 24px}
.btn-close:focus{box-shadow:0 0 0 3px rgba(192,114,74,.2)}

/* ============ 按钮 ============ */
.btn{border-radius:var(--r-pill);font-weight:600;letter-spacing:.02em;transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out}
.btn:focus-visible{outline:2px solid var(--terra);outline-offset:2px;box-shadow:none}
.btn-terra{
  background:var(--terra);border:1px solid var(--terra);color:#fff;
  padding:.72rem 1.5rem;font-size:15.5px;box-shadow:0 10px 24px rgba(192,114,74,.26);
}
.btn-terra:hover,.btn-terra:focus{background:var(--terra-dark);border-color:var(--terra-dark);color:#fff;transform:translateY(-2px)}
.btn-terra:active{transform:translateY(0)}
.btn-terra.btn-sm{padding:.5rem 1.15rem;font-size:14px;box-shadow:0 6px 16px rgba(192,114,74,.22)}
.btn-ghost{
  background:transparent;border:1px solid rgba(247,239,231,.5);color:var(--inv);
  padding:.72rem 1.5rem;font-size:15.5px;
}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(247,239,231,.12);color:#fff;border-color:var(--champagne)}
.btn-outline-terra{
  background:#fff;border:1px solid var(--line);color:var(--text);
  padding:.72rem 1.5rem;font-size:15.5px;
}
.btn-outline-terra:hover{border-color:var(--terra);color:var(--terra);transform:translateY(-2px)}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--bg-2);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;padding-block:12px;font-size:14px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--terra)}
.crumb .sep{color:var(--rose)}
.crumb .here{color:var(--text);font-weight:600}

/* ============ Hero ============ */
.hero-cat2{padding-top:clamp(24px,3vw,40px)}
.hero-panel{
  position:relative;overflow:hidden;border-radius:28px;
  background:var(--grad-brand);
  padding:clamp(28px,4.4vw,60px);
  box-shadow:var(--sh-3);
}
.hero-panel::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.2;
}
.hero-panel::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,201,168,.28) 0%,rgba(233,201,168,0) 68%);
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.15fr .95fr;gap:clamp(24px,3vw,48px);align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.35rem .95rem;border-radius:var(--r-pill);
  border:1px solid rgba(233,201,168,.5);
  background:rgba(233,201,168,.12);
  color:var(--champagne);
  font-size:12.5px;letter-spacing:.1em;
}
.hero-cat2 h1{
  margin-top:1.1rem;
  font-size:clamp(28px,4.6vw,52px);
  line-height:1.2;
  color:#fff;
  letter-spacing:.02em;
}
.hero-sub{
  margin-top:1rem;max-width:38em;
  font-size:17px;line-height:1.8;color:rgba(247,239,231,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:1.8rem}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;margin-top:1.8rem;padding-top:1.4rem;
  border-top:1px solid rgba(233,201,168,.22);
}
.hero-trust li{
  display:flex;align-items:center;gap:.5rem;
  font-size:13.5px;color:rgba(247,239,231,.82);letter-spacing:.02em;
}
.hero-trust li::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--champagne);flex:0 0 auto;
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid rgba(247,239,231,.22);
  background:var(--bg-2);
}
.float-badge{
  position:absolute;left:-8px;bottom:22px;
  display:flex;flex-direction:column;gap:.15rem;
  padding:.85rem 1.15rem;border-radius:var(--r-md);
  background:var(--champagne-soft);color:var(--ink);
  box-shadow:var(--sh-3);
}
.float-badge .fb-num{font-size:20px;font-weight:700;line-height:1.2}
.float-badge .fb-label{font-size:12.5px;color:var(--ink-2);letter-spacing:.02em}
.hero-badges{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  margin-top:clamp(24px,3vw,38px);
}
.hbadge{
  padding:1rem 1.2rem;border-radius:var(--r-md);
  background:rgba(43,31,26,.35);
  border:1px solid rgba(233,201,168,.28);
  display:flex;flex-direction:column;gap:.2rem;
}
.hbadge strong{font-size:16px;color:var(--champagne);font-weight:600}
.hbadge span{font-size:13px;color:rgba(247,239,231,.78)}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .float-badge{left:12px;bottom:12px}
}
@media (max-width:575px){
  .hero-badges{grid-template-columns:1fr}
  .hero-actions .btn{width:100%;text-align:center}
}

/* ============ 指标看板 ============ */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.kpi{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--inv);
  border-radius:var(--r-lg);padding:clamp(20px,2.4vw,30px);
  box-shadow:var(--sh-2);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.kpi::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,#C0724A 0%,#E9C9A8 100%);
}
.kpi:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.kpi-num{font-size:clamp(28px,3.2vw,42px);font-weight:700;line-height:1.1;color:var(--champagne-soft)}
.kpi-num small{font-size:15px;font-weight:600;margin-left:.2rem;color:var(--terra)}
.kpi-label{margin-top:.5rem;font-size:13.5px;color:rgba(247,239,231,.72);letter-spacing:.02em}
@media (max-width:991px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:400px){.kpi-grid{grid-template-columns:1fr}}

/* ============ 板块标题 ============ */
.section-head{max-width:760px;margin-bottom:clamp(28px,3.4vw,48px)}
.section-head h2{margin-top:.9rem;font-size:clamp(22px,3.2vw,34px);line-height:1.25}
.section-sub{margin-top:.9rem;font-size:16.5px;color:var(--muted);max-width:40em}
.section-head.light h2{color:#fff}
.section-head.light .section-sub{color:rgba(247,239,231,.8)}
.section-head.light .eyebrow{border-color:rgba(233,201,168,.55);background:rgba(233,201,168,.14);color:var(--champagne)}

/* ============ 流程步骤 ============ */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;
}
.steps li{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:clamp(20px,2.4vw,30px);
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.steps li:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--champagne)}
.step-no{
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--grad-brand);color:var(--champagne-soft);
  font-size:15px;font-weight:700;letter-spacing:.04em;
  box-shadow:var(--sh-1);
}
.steps li h3{margin-top:1rem;font-size:20px}
.steps li p{margin-top:.6rem;font-size:15.5px;color:var(--muted)}
.steps li::after{
  content:"";position:absolute;right:-14px;top:44px;
  width:14px;height:1px;background:var(--champagne);
}
.steps li:last-child::after{display:none}
@media (max-width:991px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps li:nth-child(2n)::after{display:none}
}
@media (max-width:575px){
  .steps{grid-template-columns:1fr}
  .steps li::after{display:none}
}

/* ============ 对比矩阵（深色区块） ============ */
.compare-panel{
  position:relative;overflow:hidden;
  border-radius:28px;background:var(--grad-brand);
  padding:clamp(28px,4.4vw,60px);
  box-shadow:var(--sh-3);
}
.compare-panel::before{
  content:"";position:absolute;left:-140px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,201,168,.2) 0%,rgba(233,201,168,0) 70%);
}
.compare-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.compare-card{
  background:rgba(255,255,255,.97);
  border-radius:var(--r-lg);padding:clamp(20px,2.4vw,30px);
  box-shadow:var(--sh-2);
  display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.compare-tag{
  align-self:flex-start;padding:.3rem .85rem;border-radius:var(--r-pill);
  background:var(--bg-2);color:var(--ink-2);
  font-size:12.5px;letter-spacing:.06em;border:1px solid var(--line);
}
.compare-card h3{margin-top:.85rem;font-size:21px}
.compare-card .lead-line{margin-top:.5rem;font-size:15px;color:var(--muted)}
.compare-list{margin-top:1.1rem;display:flex;flex-direction:column;gap:.6rem}
.compare-list li{display:flex;gap:.6rem;font-size:15px;color:var(--text)}
.compare-list li svg{width:18px;height:18px;flex:0 0 auto;margin-top:.32rem;stroke:var(--terra)}
.compare-meta{
  margin-top:1.2rem;padding-top:1rem;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:.5rem .9rem;font-size:13px;color:var(--muted);
}
.compare-meta b{color:var(--terra);font-weight:700}
@media (max-width:991px){.compare-grid{grid-template-columns:1fr}}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.case-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg-2)}
.case-body{padding:clamp(20px,2.4vw,30px)}
.case-body h3{font-size:21px;margin-top:.7rem}
.case-body p{margin-top:.6rem;font-size:15.5px;color:var(--muted)}
.case-facts{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.1rem}
.fact{
  padding:.35rem .85rem;border-radius:var(--r-pill);
  background:var(--bg-2);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}
@media (max-width:767px){.case-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.accordion-item:first-of-type{border-top:1px solid var(--line)}
.accordion-button{
  background:transparent;box-shadow:none;border-radius:0;
  padding:1.25rem 3rem 1.25rem 2.9rem;
  font-size:17.5px;font-weight:600;color:var(--text);
  position:relative;line-height:1.55;
}
.accordion-button:not(.collapsed){color:var(--terra);background:transparent;box-shadow:inset 3px 0 0 var(--terra)}
.accordion-button::before{
  content:attr(data-no);
  position:absolute;left:0;top:1.35rem;
  font-size:14px;font-weight:700;color:var(--terra);letter-spacing:.06em;
}
.accordion-button::after{
  content:"";position:absolute;right:6px;top:calc(50% - 5px);
  width:11px;height:11px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .22s ease-out,border-color .22s ease-out;
  background-image:none;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--terra)}
.accordion-button:focus{box-shadow:inset 3px 0 0 var(--terra);outline:none}
.accordion-button:focus-visible{outline:2px solid var(--terra);outline-offset:-2px}
.accordion-body{
  padding:0 3rem 1.6rem 2.9rem;
  font-size:15.8px;line-height:1.85;color:var(--muted);max-width:760px;
}
@media (max-width:575px){
  .accordion-button{padding:.95rem 2.4rem .95rem 2.4rem;font-size:16px}
  .accordion-body{padding:0 2.4rem 1.3rem 2.4rem}
}

/* ============ 转化表单 ============ */
.booking-panel{
  position:relative;overflow:hidden;border-radius:28px;
  background:var(--grad-brand);color:var(--inv);
  padding:clamp(28px,4.4vw,60px);
  box-shadow:var(--sh-3);
}
.booking-panel::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.16;
}
.booking-grid{position:relative;z-index:1;display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(24px,3.4vw,52px);align-items:start}
.booking-panel h2{color:#fff;font-size:clamp(22px,3.2vw,34px);line-height:1.25}
.booking-panel .booking-sub{margin-top:.9rem;color:rgba(247,239,231,.82);max-width:34em}
.booking-points{margin-top:1.6rem;display:flex;flex-direction:column;gap:.75rem}
.booking-points li{display:flex;gap:.65rem;font-size:15px;color:rgba(247,239,231,.88)}
.booking-points li svg{width:18px;height:18px;flex:0 0 auto;margin-top:.3rem;stroke:var(--champagne)}
.booking-note{
  margin-top:1.8rem;padding:1rem 1.15rem;border-radius:var(--r-md);
  background:rgba(43,31,26,.34);border:1px solid rgba(233,201,168,.26);
  font-size:13.5px;color:rgba(247,239,231,.84);
}
.form-card{
  background:#fff;border-radius:var(--r-lg);padding:clamp(20px,2.6vw,34px);
  box-shadow:var(--sh-3);
}
.form-card h3{font-size:19px;margin-bottom:1.1rem}
.form-label{font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:.4rem}
.form-control,.form-select{
  border:1px solid var(--line);border-radius:var(--r-in);
  padding:.72rem 1rem;font-size:15px;color:var(--text);background:#fff;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.form-control::placeholder{color:#9d8f85}
.form-control:focus,.form-select:focus{
  border-color:var(--terra);box-shadow:0 0 0 3px rgba(192,114,74,.18);outline:none;
}
.form-check-input{border-color:var(--line);border-radius:5px}
.form-check-input:checked{background-color:var(--terra);border-color:var(--terra)}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(192,114,74,.18);border-color:var(--terra)}
.form-check-label{font-size:13.5px;color:var(--muted)}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:.6rem}
.form-status{margin-top:.9rem;font-size:14px;font-weight:600;display:none}
.form-status.ok{display:block;color:#5F6B57}
.form-status.err{display:block;color:#B4553F}
@media (max-width:991px){.booking-grid{grid-template-columns:1fr}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--inv);padding-block:clamp(48px,6vw,80px) 0;margin-top:clamp(48px,6vw,88px)}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:clamp(24px,3vw,48px)}
.footer-brand .brand-mark{background:var(--grad-brand)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:rgba(247,239,231,.66)}
.footer-desc{margin-top:1.1rem;font-size:14.5px;line-height:1.85;color:rgba(247,239,231,.72);max-width:34em}
.footer-title{font-size:15px;font-weight:600;color:var(--champagne);letter-spacing:.06em;margin-bottom:1rem}
.footer-link{display:block;padding:.32rem 0;font-size:14.5px;color:rgba(247,239,231,.78)}
.footer-link:hover{color:var(--champagne)}
.footer-contact li{font-size:14.5px;color:rgba(247,239,231,.78);padding:.28rem 0;line-height:1.7}
.footer-contact strong{color:var(--champagne-soft)}
.footer-bottom{
  margin-top:clamp(32px,4vw,56px);padding-block:20px;
  border-top:1px solid rgba(247,239,231,.14);
  display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;justify-content:space-between;
  font-size:13px;color:rgba(247,239,231,.6);
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr}}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}
html{scroll-behavior:smooth}