/* roulang page: index */
:root{
  --brand-800:#14453D;
  --brand-900:#0E2F2A;
  --brand-100:#E8F0ED;
  --accent-600:#C2603A;
  --accent-700:#A84E2C;
  --gold-400:#D9A54B;
  --bg:#FAF7F1;
  --card:#FFFFFF;
  --line:#E7E0D4;
  --ink:#23241F;
  --muted:#6E6B62;
  --danger:#B23A2E;
  --ok:#2F7A5A;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(14,47,42,.06);
  --sh-2:0 14px 30px -14px rgba(14,47,42,.22);
  --t:180ms ease;

  --bs-primary:#14453D;
  --bs-primary-rgb:20,69,61;
  --bs-body-color:#23241F;
  --bs-body-bg:#FAF7F1;
  --bs-border-color:#E7E0D4;
  --bs-border-radius:16px;
  --bs-border-radius-sm:10px;
  --bs-link-color:#14453D;
  --bs-link-hover-color:#0E2F2A;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--brand-100);}
a{color:var(--brand-800);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--brand-900);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.3;margin:0;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;}
.num,time,.price,.tnum{font-variant-numeric:tabular-nums;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-800);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:2000;}
.skip-link:focus{left:0;color:#fff;}

/* ============ 布局骨架 ============ */
.shell{display:flex;align-items:flex-start;}
.sidebar{
  flex:0 0 260px;width:260px;height:100vh;position:sticky;top:0;
  background:#fff;border-right:1px solid var(--line);
  padding:26px 20px 22px;overflow-y:auto;
  display:flex;flex-direction:column;gap:22px;
}
.main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 40px;}

/* ============ 侧栏品牌 ============ */
.brand{display:flex;align-items:center;gap:12px;padding:4px 6px 18px;border-bottom:1px solid var(--line);}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(145deg,var(--brand-800),#1d5f54);
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-weight:700;font-size:16px;color:var(--ink);}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.04em;}

/* ============ 侧栏导航 ============ */
.nav-block{display:flex;flex-direction:column;gap:4px;}
.nav-label{font-size:11.5px;color:var(--muted);letter-spacing:.12em;padding:0 10px 8px;text-transform:uppercase;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px 0 16px;border-radius:10px;
  font-size:15px;color:#3A3B35;border-left:3px solid transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t);
}
.nav-item:hover{background:var(--brand-100);color:var(--brand-900);}
.nav-item.active{background:var(--brand-100);color:var(--brand-900);font-weight:600;border-left-color:var(--brand-800);}
.nav-item .dot{width:6px;height:6px;border-radius:50%;background:var(--gold-400);flex:0 0 6px;opacity:.75;}
.nav-item.active .dot{opacity:1;}
.nav-ico{width:18px;height:18px;flex:0 0 18px;color:var(--brand-800);opacity:.85;}

.side-card{
  background:var(--bg);border:1px solid var(--line);border-radius:14px;
  padding:14px 16px;font-size:13px;color:var(--muted);line-height:1.75;
}
.side-card strong{display:block;color:var(--ink);font-size:13.5px;margin-bottom:4px;font-weight:600;}
.side-card .tel{color:var(--brand-800);font-weight:600;font-variant-numeric:tabular-nums;}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}

/* ============ 顶部栏（移动端） ============ */
.topbar{
  position:fixed;top:0;left:0;right:0;height:64px;z-index:1040;
  background:var(--bg);border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;
}
.topbar .brand{padding:0;border:0;gap:10px;}
.topbar .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:10px;font-size:14px;}
.topbar .brand-name{font-size:15px;}
.burger{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;gap:0;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--brand-800);border-radius:2px;margin:2px 0;}

.offcanvas.offcanvas-end{width:84vw;max-width:340px;background:var(--bg);color:var(--ink);border-left:1px solid var(--line);}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-body{padding:12px 12px 24px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 8px;font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--brand-800);font-weight:600;}
.drawer-cta{margin-top:20px;}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),border-color var(--t),color var(--t);
}
.btn-x.primary{background:var(--accent-600);color:#fff;box-shadow:var(--sh-1);}
.btn-x.primary:hover{background:var(--accent-700);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-x.primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-x.ghost{background:#fff;border-color:var(--brand-800);color:var(--brand-800);}
.btn-x.ghost:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px);}
.btn-x.ghost:active{transform:translateY(0);}
.btn-x.solid{background:var(--brand-800);color:#fff;}
.btn-x.solid:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-x.block{width:100%;}
.btn-x.sm{height:42px;padding:0 18px;font-size:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-800);
}
.text-link:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;color:var(--brand-900);}

/* ============ 通用板块 ============ */
.sec{padding:88px 0;}
.sec-cream{background:var(--bg);}
.sec-white{background:#fff;}
.sec-dark{background:var(--brand-900);color:#fff;}
.sec-dark h2,.sec-dark h3{color:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-title{font-size:clamp(1.5rem,2vw,2rem);}
.sec-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:64ch;}
.sec-dark .sec-desc{color:rgba(255,255,255,.72);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

.badge-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-800);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-gold{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  border:1px solid var(--gold-400);color:var(--gold-400);font-size:12px;font-weight:600;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ Hero ============ */
.hero{padding:72px 0 72px;background:var(--bg);position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(20,69,61,.05) 1px,transparent 1px);
  background-size:18px 18px;pointer-events:none;opacity:.5;
}
.hero-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;align-items:center;position:relative;z-index:1;}
.hero h1{font-size:clamp(2rem,3.4vw,3.2rem);margin-bottom:18px;}
.hero-sub{font-size:17px;color:var(--muted);max-width:34ch;line-height:1.8;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 24px;}
.hero-points{display:flex;flex-direction:column;gap:10px;}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#3F403A;}
.hero-points .tick{
  width:18px;height:18px;flex:0 0 18px;border-radius:50%;background:var(--brand-100);
  color:var(--brand-800);display:grid;place-items:center;font-size:11px;font-weight:700;margin-top:5px;
}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);}
.hero-media img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-media::before{content:"";position:absolute;inset:0;background:rgba(194,96,58,.08);z-index:1;}
.hero-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;
  background:rgba(14,47,42,.82);border:1px solid var(--gold-400);color:#fff;font-size:12.5px;font-weight:600;
  backdrop-filter:blur(2px);
}

/* ============ 信任条 ============ */
.trust{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.trust-item{display:flex;gap:12px;padding:22px 24px;border-right:1px solid var(--line);}
.trust-item:last-child{border-right:0;}
.trust-ico{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand-800);
}
.trust-item strong{display:block;font-size:14.5px;font-weight:600;}
.trust-item span{display:block;font-size:12px;color:var(--muted);line-height:1.6;}

/* ============ 优惠阶梯 ============ */
.ladder{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;align-items:end;}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px 22px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:16px;position:relative;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(20,69,61,.3);}
.step-card.lv1{margin-top:0;}
.step-card.lv2{margin-top:26px;}
.step-card.lv3{margin-top:52px;}
.step-card.lv4{margin-top:78px;border-color:rgba(194,96,58,.55);box-shadow:0 1px 2px rgba(14,47,42,.06);}
.step-card.lv4::before{content:"";position:absolute;top:-1px;left:16px;right:16px;height:3px;background:var(--accent-600);border-radius:0 0 3px 3px;}
.step-corner{
  position:absolute;right:-1px;top:-1px;background:var(--accent-600);color:#fff;
  font-size:11.5px;font-weight:600;padding:5px 12px;border-radius:0 var(--r-card) 0 12px;
}
.step-no{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--bg);
  display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--brand-800);
  font-variant-numeric:tabular-nums;
}
.step-name{font-size:1.125rem;font-weight:600;}
.step-list{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:#4A4B44;}
.step-list li{display:flex;gap:8px;align-items:flex-start;}
.step-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold-400);flex:0 0 6px;margin-top:8px;}
.step-price{display:flex;align-items:baseline;gap:6px;padding-top:14px;border-top:1px solid var(--line);}
.step-price .price{font-size:1.5rem;font-weight:700;color:var(--brand-800);}
.step-price .unit{font-size:13px;color:var(--muted);}
.step-card .btn-x{margin-top:auto;}

/* ============ 套餐对比 ============ */
.compare{display:grid;grid-template-columns:1.05fr 1fr 1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;}
.cmp-labels{background:#fff;}
.cmp-head{
  height:56px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-800);color:#fff;font-size:14.5px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.cmp-labels .cmp-head{background:#F3EFE6;color:var(--brand-900);justify-content:flex-start;padding-left:22px;}
.cmp-l,.cmp-row{
  min-height:56px;display:flex;align-items:center;padding:12px 22px;
  border-bottom:1px solid var(--line);font-size:14px;
}
.cmp-l{color:var(--muted);}
.cmp-row{justify-content:center;text-align:center;color:var(--ink);}
.cmp-row:last-child,.cmp-l:last-child{border-bottom:0;}
.cmp-k{display:none;color:var(--muted);font-size:13px;}
.cmp-v{font-weight:600;color:var(--brand-900);}
.cmp-col{position:relative;background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column;}
.cmp-col.recommend{background:#FFFDF8;border-left:1px solid var(--line);box-shadow:inset 0 0 0 1px rgba(194,96,58,.35);}
.cmp-col.recommend .cmp-head{background:var(--brand-900);}
.cmp-col.recommend::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent-600);z-index:2;}
.cmp-flag{
  position:absolute;top:8px;right:10px;z-index:3;background:var(--accent-600);color:#fff;
  font-size:11px;font-weight:600;padding:3px 9px;border-radius:999px;
}
.cmp-foot{padding:16px 20px 20px;}
.cmp-note{font-size:12px;color:var(--muted);text-align:center;margin-top:12px;}

/* ============ 限时入口 ============ */
.timed{
  background:var(--brand-900);color:#fff;border-radius:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 10px,transparent 10px 20px);
}
.timed-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;padding:44px 0;}
.timed h2{font-size:clamp(1.4rem,1.8vw,1.85rem);}
.timed p{color:rgba(255,255,255,.75);font-size:14.5px;margin-top:8px;}
.countdown{display:flex;align-items:center;gap:10px;margin-top:20px;}
.cd-block{
  width:56px;height:64px;border-radius:10px;border:1px solid var(--gold-400);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);
}
.cd-num{font-size:22px;font-weight:700;color:var(--gold-400);font-variant-numeric:tabular-nums;line-height:1.1;}
.cd-txt{font-size:11px;color:rgba(255,255,255,.68);margin-top:2px;}
.cd-sep{color:rgba(255,255,255,.5);font-weight:700;font-size:18px;}

/* ============ 资讯卡 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;height:100%;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(20,69,61,.3);}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--brand-100);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-title{font-size:1.0625rem;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:var(--ink);}
.news-title a:hover{color:var(--brand-800);}
.news-excerpt{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);}
.news-meta .text-link{font-size:13px;}

/* ============ 空态 / 骨架 ============ */
.empty-state{
  background:var(--bg);border:1px dashed rgba(20,69,61,.28);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;
}
.empty-state svg{color:var(--brand-800);opacity:.75;}
.empty-state p{font-size:14px;color:var(--muted);}
.skeleton{background:var(--brand-100);border:1px solid rgba(20,69,61,.12);border-radius:12px;}

/* ============ 表单 ============ */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);max-width:880px;margin:0 auto;padding:36px;
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;font-weight:600;color:var(--ink);}
.field label .req{color:var(--accent-600);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;padding:0 14px;font-size:14.5px;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:40px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-800);box-shadow:0 0 0 4px rgba(20,69,61,.12);}
.field .hint{font-size:12px;color:var(--muted);}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;}
.check-row input{width:18px;height:18px;height:18px;flex:0 0 18px;margin-top:2px;accent-color:var(--brand-800);}
.form-foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:26px;}

/* ============ FAQ ============ */
.accordion-x{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 24px;align-items:start;}
.faq-col{display:flex;flex-direction:column;gap:16px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color var(--t),background-color var(--t);}
.faq-item:hover{border-color:rgba(20,69,61,.3);}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  padding:18px 52px 18px 20px;font-size:15px;font-weight:600;color:var(--ink);position:relative;
  border-left:3px solid transparent;transition:background-color var(--t),border-color var(--t);
}
.faq-q::after{
  content:"";position:absolute;right:22px;top:50%;margin-top:-4px;
  width:0;height:0;border-left:8px solid var(--brand-800);border-top:5px solid transparent;border-bottom:5px solid transparent;
  transition:transform var(--t);
}
.faq-q.collapsed{color:var(--ink);}
.faq-item:has(.faq-q:not(.collapsed)){background:#FBF8F2;border-color:rgba(20,69,61,.3);}
.faq-q:not(.collapsed){border-left-color:var(--brand-800);}
.faq-q:not(.collapsed)::after{transform:rotate(90deg);}
.faq-a{font-size:14px;color:var(--muted);line-height:1.85;padding:0 22px 20px 23px;border-left:3px solid transparent;}
.faq-item:has(.faq-q:not(.collapsed)) .faq-a{border-left-color:var(--brand-800);}

/* ============ CTA 条 ============ */
.cta-band{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:36px 0;}

/* ============ 页脚 ============ */
.site-foot{background:var(--brand-900);color:rgba(255,255,255,.78);margin-top:auto;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding:64px 0 40px;}
.site-foot h3{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-brand .brand-mark{background:#fff;color:var(--brand-900);}
.foot-brand .brand-name{color:#fff;font-size:16px;font-weight:700;}
.foot-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:38ch;}
.foot-list{display:flex;flex-direction:column;gap:10px;font-size:13.5px;}
.foot-list a{color:rgba(255,255,255,.72);}
.foot-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.foot-list .num{font-variant-numeric:tabular-nums;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0 32px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.6);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .sidebar{flex:0 0 220px;width:220px;padding:22px 16px 18px;}
  .wrap{padding:0 28px;}
  .sec{padding:64px 0;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .trust-item:nth-child(2){border-right:0;}
  .trust-item:nth-child(1),.trust-item:nth-child(2){border-bottom:1px solid var(--line);}
  .compare{grid-template-columns:1fr 1fr 1fr 1fr;}
}
@media (max-width:991px){
  .shell{display:block;}
  .sidebar{display:none;}
  .main{padding-top:64px;}
  .wrap{padding:0 22px;}
  .hero{padding:48px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/10;}
  .timed-inner{flex-direction:column;align-items:flex-start;gap:24px;padding:38px 0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px;}
}
@media (max-width:767px){
  .sec{padding:48px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px;}
  .wrap{padding:0 18px;}
  .ladder{grid-template-columns:1fr;}
  .step-card.lv2,.step-card.lv3,.step-card.lv4{margin-top:0;}
  .trust-grid{grid-template-columns:1fr;}
  .trust-item{border-right:0;border-bottom:1px solid var(--line);}
  .trust-item:last-child{border-bottom:0;}
  .news-grid{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;border:0;background:transparent;gap:20px;}
  .cmp-labels{display:none;}
  .cmp-col{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
  .cmp-col.recommend{box-shadow:var(--sh-1);}
  .cmp-col .cmp-head{justify-content:flex-start;padding:0 20px;}
  .cmp-row{justify-content:space-between;text-align:left;padding:12px 20px;gap:16px;}
  .cmp-k{display:block;}
  .cmp-head .cmp-flag{position:static;margin-left:auto;}
  .cmp-col .cmp-head{position:relative;padding-right:20px;}
  .form-card{padding:24px 18px;}
  .form-grid{grid-template-columns:1fr;}
  .accordion-x{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:18px;padding:28px 0;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:575px){
  body{font-size:15px;}
  .hero h1{font-size:1.85rem;}
  .hero-sub{font-size:15.5px;max-width:none;}
  .hero-cta .btn-x{width:100%;}
  .btn-x{width:100%;}
  .btn-x.sm{width:auto;}
  .form-foot .btn-x{width:100%;}
  .cd-block{width:48px;height:58px;}
  .cd-num{font-size:19px;}
}

/* roulang page: article */
:root{
    --brand-800:#14453D;
    --brand-900:#0E2F2A;
    --brand-100:#E8F0ED;
    --accent-600:#C2603A;
    --accent-700:#A84E2C;
    --gold-400:#D9A54B;
    --bg:#FAF7F1;
    --card:#FFFFFF;
    --line:#E7E0D4;
    --ink:#23241F;
    --muted:#6E6B62;
    --danger:#B23A2E;
    --ok:#2F7A5A;
    --r-card:16px;
    --r-btn:10px;
    --r-input:10px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(14,47,42,.06);
    --sh-2:0 14px 30px -14px rgba(14,47,42,.22);
    --gap-section:88px;
    --bs-primary:#14453D;
    --bs-body-color:#23241F;
    --bs-border-color:#E7E0D4;
    --bs-border-radius:12px;
    --bs-link-color:#14453D;
    --bs-link-hover-color:#0E2F2A;
    --bs-body-bg:#FAF7F1;
    --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;height:auto;display:block;}
  a{color:var(--brand-800);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease;}
  a:hover{color:var(--brand-900);}
  h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;color:var(--ink);margin:0 0 14px;line-height:1.3;}
  p{margin:0 0 1.1em;}
  ul,ol{margin:0 0 1.1em;padding-left:1.35em;}
  .num,.price,.count{font-variant-numeric:tabular-nums;}
  :focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;}
  .wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 40px;}

  /* ===== 布局骨架 ===== */
  .page-shell{width:100%;}
  .sidebar{
    background:#FFFFFF;
    border-right:1px solid var(--line);
  }
  .rail-inner{
    display:flex;
    flex-direction:column;
    min-height:100%;
    padding:26px 20px 24px;
    gap:18px;
  }
  .rail-brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;flex:0 0 38px;
    border-radius:12px;
    background:var(--brand-800);
    color:#F6F3EC;
    font-weight:700;font-size:13px;letter-spacing:.02em;
    text-transform:lowercase;
  }
  .brand-name{font-size:16px;font-weight:700;color:var(--brand-900);letter-spacing:-.01em;}
  .brand-sub{display:block;font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0;}

  .nav-block{display:flex;flex-direction:column;gap:4px;margin-top:22px;}
  .nav-label{font-size:12px;letter-spacing:.1em;color:var(--muted);margin-bottom:6px;}
  .nav-item{
    display:flex;align-items:center;gap:10px;
    min-height:44px;padding:0 12px;
    border-radius:10px;
    border-left:3px solid transparent;
    color:var(--ink);font-size:15px;line-height:1.4;
  }
  .nav-item:hover{background:var(--brand-100);color:var(--brand-900);}
  .nav-item.active{background:var(--brand-100);border-left-color:var(--brand-800);font-weight:600;color:var(--brand-900);}
  .nav-ico{width:18px;height:18px;flex:0 0 18px;color:var(--brand-800);}
  .nav-item .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-600);display:none;flex:0 0 6px;}
  .nav-item.active .dot{display:inline-block;}

  .rail-card{
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:14px;
    padding:14px 15px;
    font-size:13px;
    color:var(--muted);
    line-height:1.75;
  }
  .rail-card strong{display:block;color:var(--ink);font-size:13px;margin-bottom:6px;letter-spacing:.02em;}
  .rail-card .tel{color:var(--brand-900);font-weight:600;font-variant-numeric:tabular-nums;}
  .rail-cta{margin-top:auto;padding-top:14px;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);
    font-size:15px;font-weight:600;line-height:1;
    padding:14px 22px;
    border:1px solid transparent;
    cursor:pointer;
    transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn-brand{background:var(--brand-800);color:#FBF8F2;}
  .btn-brand:hover{background:#0F3830;color:#FFFFFF;transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1);}
  .btn-accent{background:var(--accent-600);color:#FFFFFF;}
  .btn-accent:hover{background:var(--accent-700);color:#FFFFFF;transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-accent:active{transform:translateY(0);}
  .btn-outline-brand{background:transparent;color:var(--brand-800);border-color:var(--brand-800);}
  .btn-outline-brand:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px);}
  .btn-wide{width:100%;}

  /* ===== 移动端顶栏 ===== */
  .mobile-bar{
    display:none;
    align-items:center;justify-content:space-between;
    height:64px;padding:0 18px;
    background:var(--bg);
    border-bottom:1px solid var(--line);
    position:fixed;top:0;left:0;right:0;z-index:1040;
  }
  .hamburger{
    width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
    display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;
  }
  .hamburger span{display:block;width:18px;height:2px;background:var(--brand-800);border-radius:2px;}
  .mobile-drawer{--bs-offcanvas-width:84vw;background:var(--bg);color:var(--ink);}
  .mobile-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px;}
  .mobile-drawer .offcanvas-body{padding:18px 20px 30px;}
  .drawer-nav a{
    display:flex;align-items:center;justify-content:space-between;
    min-height:52px;font-size:16px;color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .drawer-nav a.active{color:var(--brand-900);font-weight:600;}

  /* ===== 主内容区 ===== */
  .main-wrap{background:var(--bg);}
  .section{padding:var(--gap-section) 0;}
  .section-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-title{font-size:clamp(1.5rem,2vw,2rem);margin-bottom:10px;}
  .section-lead{font-size:15px;color:var(--muted);max-width:720px;margin-bottom:34px;}

  /* ===== 面包屑 ===== */
  .crumb{
    list-style:none;display:flex;flex-wrap:wrap;align-items:center;
    gap:0;padding:0;margin:30px 0 18px;font-size:13px;color:var(--muted);
  }
  .crumb li{display:flex;align-items:center;}
  .crumb li+li::before{content:"/";margin:0 9px;color:#C6BFB1;}
  .crumb a{color:var(--muted);}
  .crumb a:hover{color:var(--brand-800);text-decoration:underline;text-underline-offset:3px;}
  .crumb [aria-current]{color:var(--ink);font-weight:600;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  /* ===== 文章头 ===== */
  .article-head{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-1);
    padding:34px 36px 26px;
  }
  .badge-cat{
    display:inline-flex;align-items:center;
    background:var(--brand-100);color:var(--brand-800);
    font-size:12px;font-weight:600;letter-spacing:.02em;
    padding:5px 12px;border-radius:var(--r-pill);
    margin-bottom:14px;
  }
  .article-head h1{
    font-size:clamp(1.75rem,2.7vw,2.5rem);
    margin-bottom:16px;
  }
  .meta-row{
    display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;
    font-size:13px;color:var(--muted);
    padding-top:18px;border-top:1px solid var(--line);
  }
  .meta-row .sep{width:1px;height:12px;background:var(--line);}

  /* ===== 文章布局 ===== */
  .article-grid{
    display:grid;
    grid-template-columns:minmax(0,1fr) 300px;
    gap:44px;
    margin-top:36px;
  }
  .article-main{max-width:760px;min-width:0;}
  .article-body{
    font-size:17px;
    line-height:1.9;
    color:var(--ink);
    word-wrap:break-word;
    overflow-wrap:break-word;
  }
  .article-body > *:first-child{margin-top:0;}
  .article-body p{margin:0 0 1.4em;}
  .article-body h2{
    font-size:clamp(1.25rem,1.7vw,1.5rem);
    margin:32px 0 16px;
    padding-left:14px;
    position:relative;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:2px;background:var(--brand-800);
  }
  .article-body h3{font-size:1.25rem;margin:26px 0 12px;}
  .article-body h4{font-size:1.0625rem;margin:22px 0 10px;}
  .article-body a{color:var(--brand-800);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
  .article-body a:hover{color:var(--accent-600);}
  .article-body strong{font-weight:700;color:var(--brand-900);}
  .article-body ul{list-style:none;padding-left:0;margin:0 0 1.4em;}
  .article-body ul > li{position:relative;padding-left:22px;margin-bottom:.5em;}
  .article-body ul > li::before{
    content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--brand-800);
  }
  .article-body ol{padding-left:0;list-style:none;counter-reset:art;margin:0 0 1.4em;}
  .article-body ol > li{position:relative;padding-left:32px;margin-bottom:.55em;counter-increment:art;}
  .article-body ol > li::before{
    content:counter(art,decimal-leading-zero);
    position:absolute;left:0;top:.3em;
    font-size:12px;font-weight:700;color:var(--brand-800);
    background:var(--brand-100);border-radius:6px;
    padding:1px 6px;font-variant-numeric:tabular-nums;
  }
  .article-body blockquote{
    margin:22px 0;padding:16px 20px;
    background:#F6F1E7;
    border-left:3px solid var(--accent-600);
    border-radius:0 12px 12px 0;
    color:#3C3C34;
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{
    border-radius:12px;
    margin:22px auto 8px;
    box-shadow:var(--sh-1);
  }
  .article-body figure{margin:22px 0;}
  .article-body figcaption{
    text-align:center;font-size:13px;color:var(--muted);margin-top:8px;
  }
  .article-body table{
    width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
    border-radius:12px;overflow:hidden;box-shadow:var(--sh-1);
  }
  .article-body thead th{
    background:var(--brand-800);color:#F7F4EC;
    text-align:left;font-weight:600;
    padding:12px 14px;
  }
  .article-body td{padding:12px 14px;border-bottom:1px solid var(--line);background:#FFFFFF;}
  .article-body tbody tr:nth-child(even) td{background:#F7F3EA;}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0;}

  /* ===== 文章侧栏 ===== */
  .article-aside{display:flex;flex-direction:column;gap:20px;align-self:start;position:sticky;top:28px;}
  .toc-card{
    background:var(--card);border:1px solid var(--line);border-radius:14px;
    box-shadow:var(--sh-1);overflow:hidden;
  }
  .toc-card h3{
    font-size:14px;margin:0;padding:14px 18px;
    border-bottom:1px solid var(--line);
    background:var(--brand-100);color:var(--brand-900);
    letter-spacing:.02em;
  }
  .toc-list{list-style:none;margin:0;padding:10px 8px;}
  .toc-list li{margin:0;}
  .toc-list a{
    display:block;padding:9px 12px;border-radius:10px;
    font-size:14px;color:var(--ink);
  }
  .toc-list a:hover{background:var(--brand-100);color:var(--brand-900);}

  /* ===== 空态 ===== */
  .empty-state{
    background:var(--bg);
    border:1px dashed rgba(20,69,61,.28);
    border-radius:var(--r-card);
    padding:52px 28px;
    text-align:center;
  }
  .empty-state .ico{
    width:54px;height:54px;margin:0 auto 16px;
    border-radius:50%;border:1px solid rgba(20,69,61,.22);
    display:flex;align-items:center;justify-content:center;color:var(--brand-800);
  }
  .empty-state p{font-size:14px;color:var(--muted);margin-bottom:18px;}

  .article-actions{display:flex;justify-content:center;margin:44px 0 0;}

  /* ===== 推荐卡 ===== */
  .card-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px 24px;
  }
  .post-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--sh-1);
    display:flex;flex-direction:column;
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(20,69,61,.3);}
  .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#F2EDE3;}
  .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .post-card:hover .thumb img{transform:scale(1.04);}
  .post-card .body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;}
  .post-card h3{font-size:1.0625rem;font-weight:600;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .post-card .desc{font-size:14px;color:var(--muted);flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;}
  .post-card .foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;}
  .post-card .foot a{font-weight:600;color:var(--brand-800);}
  .post-card .foot a:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}

  /* ===== FAQ ===== */
  .faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px;align-items:start;}
  .accordion-item{
    border:1px solid var(--line);border-radius:14px !important;
    background:var(--card);overflow:hidden;margin-bottom:0;box-shadow:var(--sh-1);
  }
  .accordion-button{
    background:transparent;color:var(--ink);
    font-size:15px;font-weight:600;
    padding:16px 18px;box-shadow:none;
    display:flex;align-items:center;justify-content:space-between;gap:12px;
  }
  .accordion-button::after{display:none;}
  .accordion-button:not(.collapsed){
    background:var(--brand-100);color:var(--brand-900);
    box-shadow:none;border-left:3px solid var(--brand-800);
  }
  .accordion-button:focus{box-shadow:none;border-color:var(--line);}
  .tri{
    width:0;height:0;flex:0 0 auto;
    border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:8px solid var(--brand-800);
    transition:transform .18s ease;
  }
  .accordion-button:not(.collapsed) .tri{transform:rotate(90deg);}
  .accordion-body{
    font-size:14px;color:var(--muted);line-height:1.85;
    padding:4px 18px 18px;background:var(--card);
  }

  /* ===== CTA 条 ===== */
  .cta-strip{
    background:var(--brand-900);
    color:#EFEDE6;
    padding:56px 0;
    background-image:linear-gradient(180deg,rgba(217,165,75,.06),rgba(217,165,75,0));
  }
  .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
  .cta-strip h2{color:#FFFFFF;font-size:clamp(1.4rem,2vw,1.9rem);margin-bottom:8px;}
  .cta-strip p{color:rgba(255,255,255,.72);font-size:15px;margin:0;max-width:640px;}

  /* ===== 页脚 ===== */
  .site-foot{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0;}
  .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
  .foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .site-foot .brand-mark{background:#F6F3EC;color:var(--brand-900);}
  .site-foot .brand-name{color:#FFFFFF;}
  .foot-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px;}
  .site-foot h3{color:#FFFFFF;font-size:14px;letter-spacing:.02em;margin-bottom:14px;}
  .foot-list{display:flex;flex-direction:column;gap:10px;font-size:13.5px;list-style:none;padding:0;margin:0;}
  .foot-list a{color:rgba(255,255,255,.72);}
  .foot-list a:hover{color:#FFFFFF;text-decoration:underline;text-underline-offset:3px;}
  .foot-bottom{
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    margin-top:44px;padding-top:20px;
    border-top:1px solid rgba(255,255,255,.14);
    font-size:12.5px;color:rgba(255,255,255,.6);
  }

  /* ===== 响应式 ===== */
  @media (min-width:992px){
    .page-shell{display:flex;align-items:flex-start;}
    .sidebar{width:260px;flex:0 0 260px;height:100vh;position:sticky;top:0;overflow-y:auto;}
    .main-wrap{flex:1;min-width:0;height:100vh;overflow-y:auto;}
    .mobile-bar{display:none;}
  }
  @media (max-width:1199.98px){
    .article-grid{grid-template-columns:minmax(0,1fr);gap:0;}
    .article-aside{display:none;}
    .article-main{max-width:100%;}
  }
  @media (max-width:991.98px){
    :root{--gap-section:64px;}
    .sidebar{display:none;}
    .mobile-bar{display:flex;}
    .main-wrap{padding-top:64px;}
    .wrap{padding:0 24px;}
    .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:767.98px){
    :root{--gap-section:48px;}
    .card-grid{grid-template-columns:1fr;}
    .faq-grid{grid-template-columns:1fr;}
    .article-head{padding:26px 22px 20px;}
    .article-body{font-size:16.5px;}
    .cta-inner{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:575.98px){
    .wrap{padding:0 18px;}
    .btn{width:100%;}
    .article-actions .btn{width:100%;}
    .crumb [aria-current]{max-width:26ch;}
    .foot-grid{grid-template-columns:1fr;}
    .foot-bottom{flex-direction:column;}
  }

/* roulang page: category1 */
:root{
  --brand-800:#14453D;
  --brand-900:#0E2F2A;
  --brand-100:#E8F0ED;
  --accent-600:#C2603A;
  --gold-400:#D9A54B;
  --page:#FAF7F1;
  --card:#FFFFFF;
  --line:#E7E0D4;
  --ink:#23241F;
  --muted:#6E6B62;
  --danger:#B23A2E;
  --ok:#2F7A5A;

  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:999px;

  --sh-1:0 1px 2px rgba(14,47,42,.06);
  --sh-2:0 14px 30px -14px rgba(14,47,42,.22);

  --sec-d:88px;
  --sec-t:64px;
  --sec-m:48px;

  --bs-primary:#14453D;
  --bs-primary-rgb:20,69,61;
  --bs-body-color:#23241F;
  --bs-body-bg:#FAF7F1;
  --bs-border-color:#E7E0D4;
  --bs-border-radius:10px;
  --bs-link-color:#14453D;
  --bs-link-hover-color:#0E2F2A;
  --bs-font-sans-serif:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --bs-body-font-family:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-active-bg:#FAF7F1;
  --bs-accordion-active-color:#14453D;
  --bs-accordion-border-color:#E7E0D4;
  --bs-accordion-border-radius:12px;
  --bs-accordion-btn-color:#23241F;
  --bs-accordion-btn-icon:none;
  --bs-accordion-btn-active-icon:none;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--page);
  color:var(--ink);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-800);text-decoration:none;transition:color 180ms ease,background-color 180ms ease,border-color 180ms ease;}
a:hover{color:var(--brand-900);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;}
.num,.tnum{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;border-radius:6px;}

/* ---------- 布局骨架 ---------- */
.shell{display:flex;align-items:flex-start;min-height:100vh;}
.sidebar{
  flex:0 0 260px;
  width:260px;
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
  background:#FFFFFF;
  border-right:1px solid var(--line);
  padding:26px 18px 22px;
  display:flex;
  flex-direction:column;
  gap:0;
}
.main{flex:1 1 auto;min-width:0;}
.wrap{max-width:1180px;margin:0 auto;padding:0 40px;}

/* ---------- 侧栏品牌 ---------- */
.brand{
  display:flex;align-items:center;gap:10px;
  padding:0 8px 18px;
  border-bottom:1px solid var(--line);
}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:12px;
  background:linear-gradient(150deg,var(--brand-800),var(--brand-900));
  color:#fff;font-weight:700;font-size:.95rem;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:1rem;font-weight:700;color:var(--ink);}
.brand-sub{font-size:.75rem;color:var(--muted);}

/* ---------- 侧栏导航 ---------- */
.nav-label{
  display:block;font-size:.75rem;letter-spacing:.14em;color:var(--muted);
  padding:0 8px 10px;text-transform:uppercase;
}
.nav-block{display:flex;flex-direction:column;gap:6px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px 0 14px;
  border-radius:10px;
  font-size:.9375rem;color:#3B3C36;
  border-left:3px solid transparent;
  transition:background-color 180ms ease,color 180ms ease,border-color 180ms ease;
}
.nav-item .nav-ico{width:18px;height:18px;flex:0 0 18px;color:#9A9689;transition:color 180ms ease;}
.nav-item .dot{display:none;}
.nav-item:hover{background:#F5F2EA;color:var(--brand-800);}
.nav-item:hover .nav-ico{color:var(--brand-800);}
.nav-item.active{
  background:var(--brand-100);
  border-left-color:var(--brand-800);
  color:var(--brand-800);
  font-weight:600;
}
.nav-item.active .nav-ico{color:var(--brand-800);}

.side-card{
  margin-top:22px;
  padding:14px 14px 16px;
  background:#FAF7F1;
  border:1px solid var(--line);
  border-radius:14px;
  font-size:.8125rem;
  color:var(--muted);
  line-height:1.7;
}
.side-card h3{font-size:.8125rem;color:var(--ink);margin-bottom:6px;letter-spacing:0;}
.side-card .num{color:var(--brand-800);font-weight:600;}
.side-cta{margin-top:auto;padding-top:22px;}
.side-cta .btn{width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--r-btn);
  font-size:.9375rem;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform 180ms ease,box-shadow 180ms ease,background-color 180ms ease,color 180ms ease,border-color 180ms ease;
}
.btn-primary{
  --bs-btn-bg:#14453D;--bs-btn-border-color:#14453D;
  --bs-btn-hover-bg:#0E2F2A;--bs-btn-hover-border-color:#0E2F2A;
  --bs-btn-active-bg:#0E2F2A;--bs-btn-active-border-color:#0E2F2A;
  --bs-btn-color:#FFFFFF;--bs-btn-hover-color:#FFFFFF;--bs-btn-active-color:#FFFFFF;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline-brand{
  background:transparent;color:var(--brand-800);border-color:var(--brand-800);
}
.btn-outline-brand:hover{background:var(--brand-100);color:var(--brand-800);transform:translateY(-2px);}
.btn-outline-brand:active{transform:translateY(0);}
.btn-accent{
  background:var(--accent-600);color:#fff;border-color:var(--accent-600);
  box-shadow:0 1px 2px rgba(194,96,58,.22);
}
.btn-accent:hover{background:#AC5332;border-color:#AC5332;color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(194,96,58,.42);}
.btn-accent:active{transform:translateY(0);}
.btn-block{width:100%;}

/* ---------- 顶栏与抽屉 ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;z-index:1035;
  align-items:center;justify-content:space-between;
  padding:0 18px;
  background:#FAF7F1;
  border-bottom:1px solid var(--line);
}
.topbar .brand{padding:0;border:0;}
.topbar .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:.8125rem;border-radius:10px;}
.topbar .brand-name{font-size:.9375rem;}
.burger{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;display:flex;align-items:center;justify-content:center;color:var(--brand-800);
}
.burger:hover{background:var(--brand-100);}
.offcanvas{
  background:#FAF7F1;color:var(--ink);
  width:84vw;max-width:380px;
  transition:transform 240ms ease;
  border-left:1px solid var(--line);
}
.offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--line);}
.offcanvas-body{padding:14px 20px 26px;display:flex;flex-direction:column;}
.m-nav-item{
  display:flex;align-items:center;gap:12px;
  height:52px;font-size:1rem;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.m-nav-item.active{color:var(--brand-800);font-weight:600;}
.m-nav-item .nav-ico{width:18px;height:18px;color:#9A9689;}
.m-nav-item.active .nav-ico{color:var(--brand-800);}
.m-side-cta{margin-top:22px;}

/* ---------- 横幅 ---------- */
.page-banner{
  position:relative;
  height:240px;
  background-image:linear-gradient(90deg,rgba(14,47,42,.78),rgba(14,47,42,.42)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center 38%;
  display:flex;
  align-items:flex-end;
}
.page-banner .banner-inner{
  max-width:1180px;margin:0 auto;padding:0 40px 30px;width:100%;
}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-badge);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(217,165,75,.55);
  color:#FBEFD9;font-size:.8125rem;
  margin-bottom:12px;
}
.page-banner h1{
  color:#FFFFFF;
  font-size:clamp(1.75rem,2.6vw,2.5rem);
  letter-spacing:-0.01em;
  text-shadow:0 2px 12px rgba(0,0,0,.28);
}
.page-banner p{
  color:rgba(255,255,255,.86);
  font-size:.9375rem;
  margin-top:8px;
  max-width:640px;
}

/* ---------- 面包屑 ---------- */
.crumbs{padding:20px 0 6px;}
.crumbs ol{
  list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:0;font-size:13px;color:var(--muted);
}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:#C6C0B2;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand-800);text-decoration:underline;text-underline-offset:3px;}
.crumbs [aria-current="page"]{color:var(--ink);font-weight:600;}

/* ---------- 区块通用 ---------- */
.sec{padding:var(--sec-d) 0;}
.sec-tight{padding:56px 0;}
.sec-cream{background:#FAF7F1;}
.sec-white{background:#FFFFFF;}
.sec-dark{background:var(--brand-900);color:#fff;}
.sec-head{margin-bottom:32px;}
.sec-head h2{font-size:clamp(1.5rem,2vw,2rem);}
.sec-head p{margin-top:10px;color:var(--muted);font-size:.9375rem;max-width:720px;}
.eyebrow{
  display:inline-block;font-size:.75rem;letter-spacing:.14em;
  color:var(--accent-600);font-weight:600;margin-bottom:10px;
}
.sec-dark .sec-head p{color:rgba(255,255,255,.72);}

/* ---------- 卡片网格（索引 + 双列大卡） ---------- */
.layout-index{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:34px;
  align-items:start;
}
.index-rail{
  position:sticky;top:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px 16px;
  box-shadow:var(--sh-1);
}
.index-rail h2{
  font-size:.8125rem;letter-spacing:.1em;color:var(--muted);
  margin-bottom:12px;text-transform:uppercase;
}
.index-rail a{
  display:block;position:relative;
  padding:9px 10px 9px 14px;font-size:.875rem;color:#4A4B44;
  border-radius:8px;border-left:3px solid transparent;
}
.index-rail a:hover{background:#F5F2EA;color:var(--brand-800);border-left-color:var(--accent-600);}
.index-rail a.on{background:var(--brand-100);color:var(--brand-800);border-left-color:var(--brand-800);font-weight:600;}

.card-grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.scene-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.scene-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(20,69,61,.3);
}
.scene-card .thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:#F1EDE2;
}
.scene-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 300ms ease;
}
.scene-card:hover .thumb img{transform:scale(1.04);}
.scene-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.scene-card h3{font-size:1.125rem;}
.scene-card p{font-size:.875rem;color:var(--muted);line-height:1.75;}
.scene-card .text-link{margin-top:auto;font-size:.875rem;font-weight:600;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-800);font-weight:600;
}
.text-link:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
.badge-soft{
  display:inline-block;
  padding:3px 11px;border-radius:var(--r-badge);
  background:var(--brand-100);color:var(--brand-800);
  font-size:.75rem;font-weight:600;letter-spacing:.02em;
}
.badge-gold{
  padding:3px 11px;border-radius:var(--r-badge);
  background:rgba(217,165,75,.14);color:#8A6420;
  border:1px solid rgba(217,165,75,.55);
  font-size:.75rem;font-weight:600;
}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  counter-reset:step;
}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px 22px 26px;
  box-shadow:var(--sh-1);
  position:relative;
}
.step::after{
  content:"";
  position:absolute;top:44px;right:-13px;width:26px;height:1px;background:var(--line);
}
.steps .step:last-child::after{display:none;}
.step .idx{
  width:36px;height:36px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-800);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.875rem;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step h3{font-size:1.0625rem;margin-bottom:8px;}
.step p{font-size:.875rem;color:var(--muted);line-height:1.75;}
.step .tip{
  margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);
  font-size:.8125rem;color:var(--brand-800);
}

/* ---------- 材料清单 / 参数表 ---------- */
.spec-wrap{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  overflow:hidden;box-shadow:var(--sh-1);
}
table.spec{
  width:100%;border-collapse:collapse;font-size:.9375rem;
}
table.spec caption{
  text-align:left;padding:16px 20px 4px;font-size:.8125rem;color:var(--muted);
}
table.spec thead th{
  background:var(--brand-800);color:#F6F3EC;
  text-align:left;font-weight:600;font-size:.875rem;
  padding:14px 20px;letter-spacing:.02em;
}
table.spec tbody td{
  padding:15px 20px;border-top:1px solid var(--line);vertical-align:top;
  color:#3B3C36;
}
table.spec tbody tr:nth-child(even){background:#FAF7F1;}
table.spec tbody td:first-child{font-weight:600;color:var(--ink);}
.key-note{
  margin-top:18px;padding:16px 20px;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent-600);
  border-radius:12px;font-size:.875rem;color:var(--muted);
}
.key-note strong{color:var(--ink);}

/* ---------- FAQ ---------- */
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  position:relative;
  font-size:1rem;font-weight:600;color:var(--ink);
  background:#fff;padding:18px 54px 18px 20px;
  border:0;border-radius:12px;
}
.accordion-button::after{
  content:"";
  position:absolute;right:22px;top:50%;
  width:0;height:0;
  border-top:5px solid transparent;
  border-bottom:5px solid transparent;
  border-left:8px solid var(--brand-800);
  transform:translateY(-50%) rotate(0deg);
  transition:transform 200ms ease;
}
.accordion-button:not(.collapsed){
  background:#FAF7F1;color:var(--brand-800);
  box-shadow:inset 3px 0 0 var(--brand-800);
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);}
.accordion-button:focus{box-shadow:none;}
.accordion-body{
  padding:4px 22px 20px;font-size:.9375rem;color:#4A4B44;line-height:1.85;
  background:#FAF7F1;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:
    repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 10px,rgba(255,255,255,0) 10px 20px),
    var(--brand-900);
  color:#fff;
  padding:52px 0;
}
.cta-band .inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(1.375rem,1.8vw,1.75rem);color:#fff;}
.cta-band p{margin-top:8px;color:rgba(255,255,255,.74);font-size:.9375rem;max-width:620px;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-outline-light2{
  background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff;
}
.cta-band .btn-outline-light2:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--brand-900);color:rgba(255,255,255,.72);padding:66px 0 26px;}
.site-foot .wrap{max-width:1180px;}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .brand-mark{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);}
.foot-brand .brand-name{color:#fff;font-weight:700;font-size:1rem;}
.foot-desc{font-size:.875rem;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.site-foot h3{font-size:.9375rem;color:#fff;margin-bottom:14px;letter-spacing:0;}
.foot-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;font-size:.875rem;}
.foot-list a{color:rgba(255,255,255,.72);}
.foot-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.foot-list .num{color:#fff;font-variant-numeric:tabular-nums;}
.foot-bottom{
  margin-top:44px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:.8125rem;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .sidebar{flex:0 0 220px;width:220px;}
  .wrap{padding:0 28px;}
  .page-banner .banner-inner{padding:0 28px 26px;}
  .step::after{display:none;}
}
@media (max-width:991.98px){
  .sidebar{display:none;}
  .topbar{display:flex;}
  body{padding-top:64px;}
  .sec{padding:var(--sec-t) 0;}
  .layout-index{grid-template-columns:1fr;}
  .index-rail{position:static;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
  .index-rail h2{width:100%;margin-bottom:4px;}
  .index-rail a{padding:7px 12px;border-left:0;border:1px solid var(--line);border-radius:999px;}
  .index-rail a.on{border-color:var(--brand-800);}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  .sec{padding:var(--sec-m) 0;}
  .wrap{padding:0 20px;}
  .page-banner{height:220px;}
  .page-banner .banner-inner{padding:0 20px 22px;}
  .card-grid-2{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .spec-wrap{overflow-x:auto;}
  table.spec{min-width:520px;}
  .cta-band{padding:44px 0;}
  .cta-band .inner{flex-direction:column;align-items:flex-start;}
  .foot-grid{grid-template-columns:1fr;}
  .site-foot{padding-top:50px;}
}
@media (max-width:575.98px){
  body{font-size:15px;}
  .btn{width:100%;}
  .cta-band .cta-actions{width:100%;}
  .crumbs ol{font-size:12px;}
}

/* roulang page: category2 */
:root{
  --brand-800:#14453D;
  --brand-900:#0E2F2A;
  --brand-100:#E8F0ED;
  --accent-600:#C2603A;
  --accent-700:#A8502D;
  --gold-400:#D9A54B;
  --bg:#FAF7F1;
  --bg-soft:#FDFBF7;
  --card:#FFFFFF;
  --line:#E7E0D4;
  --text:#23241F;
  --muted:#6E6B62;
  --danger:#B23A2E;
  --success:#2F7A5A;
  --r-card:16px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(14,47,42,.06);
  --sh-2:0 14px 30px -14px rgba(14,47,42,.22);
  --sp:88px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --bs-primary:#14453D;
  --bs-primary-rgb:20,69,61;
  --bs-body-color:#23241F;
  --bs-body-bg:#FAF7F1;
  --bs-border-color:#E7E0D4;
  --bs-border-radius:10px;
  --bs-link-color:#14453D;
  --bs-link-hover-color:#0E2F2A;
  --bs-font-sans-serif:var(--font-sans);
  --bs-body-font-family:var(--font-sans);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.32;color:var(--text);margin:0;}
h1{font-size:clamp(2rem,3.4vw,3.2rem);}
h2{font-size:clamp(1.5rem,2vw,2rem);}
h3{font-size:1.25rem;}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:var(--brand-800);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-900);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;}
.num,.stat-num,time,th,td,.price{font-variant-numeric:tabular-nums;}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ===== 布局骨架：左侧竖向导航 ===== */
.layout{display:flex;align-items:flex-start;min-height:100vh;}
.side{
  flex:0 0 260px;
  width:260px;
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
  background:#fff;
  border-right:1px solid var(--line);
  padding:26px 20px 22px;
  display:flex;
  flex-direction:column;
}
.main{flex:1 1 auto;min-width:0;background:var(--bg);}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding-left:40px;padding-right:40px;}

/* ===== 侧栏品牌 ===== */
.side-brand{display:flex;align-items:center;gap:10px;margin-bottom:4px;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--gold-400);color:#0E2F2A;
  font-weight:700;font-size:.8125rem;letter-spacing:.02em;
  flex:0 0 auto;
}
.brand-name{font-size:1.0625rem;font-weight:700;color:var(--text);letter-spacing:-.01em;}
.side-tag{margin-top:6px;font-size:.75rem;color:var(--muted);letter-spacing:.02em;}

/* ===== 导航 ===== */
.nav-block{display:flex;flex-direction:column;gap:4px;}
.nav-label{
  font-size:.6875rem;letter-spacing:.18em;color:var(--muted);
  text-transform:uppercase;margin:0 0 6px 12px;
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;
  border-radius:10px;
  border-left:3px solid transparent;
  color:var(--text);font-size:.9375rem;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.nav-item .nav-ico{width:18px;height:18px;flex:0 0 auto;color:var(--muted);transition:color .18s ease;}
.nav-item .dot{display:none;width:5px;height:5px;border-radius:50%;background:var(--gold-400);flex:0 0 auto;}
.nav-item:hover{background:var(--bg);color:var(--brand-800);}
.nav-item:hover .nav-ico{color:var(--brand-800);}
.nav-item.active{background:var(--brand-100);border-left-color:var(--brand-800);font-weight:600;color:var(--brand-800);}
.nav-item.active .nav-ico{color:var(--brand-800);}
.nav-item.active .dot{display:inline-block;}

.side-card{
  margin-top:24px;padding:16px;
  background:var(--bg);border:1px solid var(--line);border-radius:14px;
  font-size:.8125rem;line-height:1.8;color:var(--muted);
}
.side-card strong{display:block;font-size:.875rem;color:var(--text);margin-bottom:6px;font-weight:600;}
.side-cta{margin-top:auto;padding-top:22px;}
.side-cta .btn-brand{width:100%;height:46px;font-size:.875rem;}

/* ===== 移动端顶栏 ===== */
.topbar{
  display:none;position:sticky;top:0;z-index:1035;
  height:64px;background:var(--bg);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 18px;
}
.topbar .brand-name{font-size:1rem;}
.hamburger{
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--brand-800);
  display:flex;align-items:center;justify-content:center;font-size:1.0625rem;
  transition:background-color .18s ease,border-color .18s ease;
}
.hamburger:hover{background:var(--brand-100);border-color:rgba(20,69,61,.3);}

.offcanvas{background:var(--bg);color:var(--text);}
.offcanvas .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas .offcanvas-body{padding:20px 20px 28px;display:flex;flex-direction:column;}
.offcanvas .nav-item{height:52px;font-size:1rem;border-radius:10px;border-bottom:1px solid transparent;}
.offcanvas .nav-block{gap:2px;}
.offcanvas .btn-close{--bs-btn-close-focus-shadow:none;}
.offcanvas .btn-brand{width:100%;margin-top:8px;}

/* ===== 按钮 ===== */
.btn-brand,.btn-outline-brand,.btn-accent-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-btn);
  font-size:.9375rem;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-brand{background:var(--brand-800);border-color:var(--brand-800);color:#fff;}
.btn-brand:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline-brand{background:transparent;border-color:var(--brand-800);color:var(--brand-800);}
.btn-outline-brand:hover{background:var(--brand-100);color:var(--brand-800);transform:translateY(-2px);}
.btn-accent-brand{background:var(--accent-600);border-color:var(--accent-600);color:#fff;}
.btn-accent-brand:hover{background:var(--accent-700);border-color:var(--accent-700);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}

.btn-primary{
  --bs-btn-bg:#14453D;--bs-btn-border-color:#14453D;--bs-btn-color:#fff;
  --bs-btn-hover-bg:#0E2F2A;--bs-btn-hover-border-color:#0E2F2A;--bs-btn-hover-color:#fff;
  --bs-btn-active-bg:#0E2F2A;--bs-btn-active-border-color:#0E2F2A;--bs-btn-active-color:#fff;
  --bs-btn-focus-shadow-rgb:20,69,61;
  --bs-btn-disabled-bg:#14453D;--bs-btn-disabled-border-color:#14453D;
}

/* ===== 通用件 ===== */
.crumb-wrap{padding-top:26px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;font-size:.8125rem;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-800);text-decoration:underline;text-underline-offset:3px;}
.crumb [aria-current="page"]{color:var(--text);font-weight:600;}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-800);
  font-size:.75rem;font-weight:600;letter-spacing:.02em;
}
.badge-soft{
  display:inline-block;padding:3px 10px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-800);font-size:.75rem;font-weight:600;
}
.badge-gold{
  display:inline-block;padding:3px 10px;border-radius:999px;
  border:1px solid var(--gold-400);color:#7A5A17;font-size:.75rem;font-weight:600;background:rgba(217,165,75,.1);
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

.empty-state{
  background:var(--bg);border:1px dashed rgba(20,69,61,.3);
  border-radius:var(--r-card);padding:34px 24px;text-align:center;color:var(--muted);font-size:.875rem;
}
.empty-state i{font-size:1.5rem;color:var(--brand-800);opacity:.6;display:block;margin-bottom:10px;}
.skeleton{background:var(--bg);border:1px solid rgba(20,69,61,.12);border-radius:var(--r-card);height:120px;}

/* ===== 页头 ===== */
.page-head{background:var(--bg);padding:44px 0 60px;}
.page-head h1{margin:16px 0 18px;}
.page-sub{max-width:800px;font-size:1.0625rem;color:var(--muted);line-height:1.85;}
.stat-row{
  margin-top:36px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;box-shadow:var(--sh-1);
}
.stat-num{display:block;font-size:1.5rem;font-weight:700;color:var(--brand-800);line-height:1.2;}
.stat-cap{display:block;margin-top:6px;font-size:.8125rem;color:var(--muted);}

/* ===== 区块 ===== */
.section{padding:var(--sp) 0;}
.section-white{background:#fff;}
.section-tint{background:var(--bg);}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-head h2{margin-bottom:12px;}
.sec-head p{color:var(--muted);font-size:.9375rem;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px;}

/* ===== 筛选标签 ===== */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.chip{
  padding:8px 18px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--muted);font-size:.875rem;
  cursor:pointer;transition:all .18s ease;
}
.chip:hover{border-color:rgba(20,69,61,.35);color:var(--brand-800);}
.chip.active{background:var(--brand-100);border-color:rgba(20,69,61,.35);color:var(--brand-800);font-weight:600;}

/* ===== 图文卡片三列 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 24px;}
.pcard{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(20,69,61,.3);}
.pcard-media{
  position:relative;display:block;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(160deg,#FAF7F1,#F0E9DC);
}
.pcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.pcard:hover .pcard-media img{transform:scale(1.04);}
.pcard-media .badge-soft{position:absolute;left:12px;top:12px;background:rgba(232,240,237,.95);}
.pcard-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.pcard-body h3{font-size:1.0625rem;font-weight:600;}
.pcard-body p{font-size:.875rem;color:var(--muted);line-height:1.75;}
.text-link{
  margin-top:auto;padding-top:6px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:.875rem;font-weight:600;color:var(--brand-800);
}
.text-link::after{content:"\2192";transition:transform .18s ease;}
.text-link:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
.text-link:hover::after{transform:translateX(3px);}

/* ===== 对比表 ===== */
.table-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow-x:auto;box-shadow:var(--sh-1);
}
.cmp-table{width:100%;min-width:720px;border-collapse:collapse;margin:0;}
.cmp-table caption{text-align:left;}
.cmp-table thead th{
  background:var(--brand-800);color:#F4F0E8;font-weight:600;font-size:.9375rem;
  padding:17px 20px;text-align:left;border:0;white-space:nowrap;
}
.cmp-table tbody th{
  font-weight:600;color:var(--text);background:var(--bg);font-size:.9375rem;
  padding:16px 20px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;
}
.cmp-table tbody td{
  padding:16px 20px;border-bottom:1px solid var(--line);font-size:.9375rem;color:var(--muted);
}
.cmp-table tbody tr:nth-child(even) td{background:var(--bg-soft);}
.cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:0;}
.table-note{margin-top:16px;font-size:.8125rem;color:var(--muted);}

/* ===== 步骤条 ===== */
.steps{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 20px;box-shadow:var(--sh-1);
  transition:transform .18s ease,border-color .18s ease;
}
.step:hover{transform:translateY(-3px);border-color:rgba(20,69,61,.3);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-800);
  font-weight:700;font-size:.8125rem;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:1rem;margin-bottom:8px;}
.step p{font-size:.8125rem;color:var(--muted);line-height:1.75;}

/* ===== 手风琴 ===== */
.accordion{
  --bs-accordion-border-color:var(--line);
  --bs-accordion-border-radius:14px;
  --bs-accordion-inner-border-radius:14px;
  --bs-accordion-bg:#fff;
  --bs-accordion-btn-bg:#fff;
  --bs-accordion-btn-color:var(--text);
  --bs-accordion-btn-padding-x:22px;
  --bs-accordion-btn-padding-y:20px;
  --bs-accordion-body-padding-x:22px;
  --bs-accordion-body-padding-y:18px;
  --bs-accordion-active-bg:var(--bg);
  --bs-accordion-active-color:var(--brand-800);
  --bs-accordion-btn-focus-box-shadow:none;
  display:flex;flex-direction:column;gap:12px;max-width:980px;
}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--line);
  border-left:3px solid transparent;border-radius:14px !important;
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.accordion-item:first-of-type,.accordion-item:last-of-type{border-radius:14px !important;}
.accordion .accordion-item:hover{box-shadow:var(--sh-1);}
.accordion .accordion-item:has(.accordion-button:not(.collapsed)){border-left-color:var(--brand-800);}
.accordion-button{
  font-size:1rem;font-weight:600;line-height:1.6;color:var(--text);
  background:#fff;border-radius:0 !important;
}
.accordion-button:not(.collapsed){background:var(--bg);color:var(--brand-800);box-shadow:none;}
.accordion-button::after{
  content:"";display:block;width:0;height:0;
  margin-left:auto;flex:0 0 auto;
  background-image:none;
  border-left:7px solid var(--brand-800);
  border-top:5px solid transparent;
  border-bottom:5px solid transparent;
  transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(90deg);}
.accordion-body{font-size:.9375rem;color:var(--muted);line-height:1.9;background:#fff;}

/* ===== 深色 CTA 带 ===== */
.cta-band{background:var(--brand-900);color:#fff;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.cta-band .wrap{
  position:relative;padding-top:58px;padding-bottom:58px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:.9375rem;max-width:640px;}
.cta-band .btn-accent-brand{flex:0 0 auto;}

/* ===== 页脚 ===== */
.site-foot{background:var(--brand-900);color:#fff;padding-top:64px;}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;}
.foot-brand .brand-name{color:#fff;font-size:1.125rem;}
.foot-desc{margin-top:14px;font-size:.875rem;line-height:1.85;color:rgba(255,255,255,.72);max-width:420px;}
.site-foot h3{font-size:1rem;color:#fff;margin-bottom:16px;}
.foot-list{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:.875rem;color:rgba(255,255,255,.72);}
.foot-list a{color:rgba(255,255,255,.72);}
.foot-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.foot-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:.8125rem;color:rgba(255,255,255,.6);
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  :root{--sp:64px;}
  .side{flex:0 0 220px;width:220px;}
  .foot-grid{grid-template-columns:1.6fr 1fr 1fr;gap:30px;}
  .foot-grid>div:last-child{grid-column:1 / -1;}
  .steps{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991.98px){
  .side{display:none;}
  .topbar{display:flex;}
  .layout{display:block;}
  .wrap{padding-left:24px;padding-right:24px;}
  .offcanvas.offcanvas-end{--bs-offcanvas-width:86vw;}
  .page-head{padding:32px 0 44px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .stat-row{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767.98px){
  :root{--sp:48px;}
  .wrap{padding-left:18px;padding-right:18px;}
  .grid-3{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:1fr;gap:12px;}
  .cta-band .wrap{padding-top:44px;padding-bottom:44px;}
  .cta-band .btn-accent-brand{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .side-card{margin-top:18px;}
}
@media (max-width:575.98px){
  body{font-size:.9375rem;}
  .btn-brand,.btn-outline-brand,.btn-accent-brand{width:100%;}
  .foot-bottom{flex-direction:column;gap:6px;}
}