/* roulang page: index */
:root{
  --c-brand:#0F5C4E;
  --c-brand-deep:#08332C;
  --c-brand-tint:#EDF3F1;
  --c-accent:#E2703A;
  --c-accent-tint:#FBEAE0;
  --c-accent-ink:#B4451F;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E3DFD5;
  --c-ink:#17181A;
  --c-ink-2:#3C4046;
  --c-ink-3:#7A7B75;
  --c-dark:#0B2A25;
  --c-dark-line:rgba(246,244,239,.14);
  --c-ok:#2E7D5B;
  --c-warn:#C9A227;
  --c-err:#C0392B;
  --r-card:10px;
  --r-btn:8px;
  --r-pill:999px;
  --r-lg:16px;
  --sh-1:0 1px 2px rgba(23,24,26,.05);
  --sh-2:0 10px 30px rgba(15,92,78,.08);
  --sh-3:0 18px 40px rgba(15,92,78,.14);
  --t:.25s cubic-bezier(.2,.7,.2,1);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec-pad:112px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none}
a:hover{color:var(--c-brand-deep)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;color:var(--c-ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
.num{font-variant-numeric:tabular-nums}
.container{max-width:1200px;margin:0 auto;padding:0 var(--gutter);width:100%}
.sec{padding:var(--sec-pad) 0}
.sec-tight{padding:72px 0}
.sec-dark{background:var(--c-dark);color:#F6F4EF}
.sec-dark h2,.sec-dark h3{color:#F6F4EF}

/* ---------- 眉题与区块标题 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--c-brand);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--c-accent);border-radius:2px}
.sec-dark .eyebrow{color:#9FD3C6}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3.2vw,38px);line-height:1.25}
.sec-head .sec-sub{margin-top:12px;color:var(--c-ink-2);font-size:16px;max-width:660px}
.sec-dark .sec-head .sec-sub{color:#B9BDB6}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:var(--t);
  white-space:nowrap;line-height:1.2;
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-tint);color:var(--c-brand-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#C85F2C;color:#fff;transform:translateY(-1px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;
  color:var(--c-brand);position:relative;padding-bottom:2px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.link-arrow:hover::after{transform:scaleX(1)}
.link-arrow .arw{transition:transform .25s var(--ease)}
.link-arrow:hover .arw{transform:translateX(4px)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;
}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;line-height:1;
  background:var(--c-brand-tint);color:var(--c-brand);letter-spacing:.01em;
}
.badge-accent{background:var(--c-accent-tint);color:var(--c-accent-ink)}
.badge-dark{background:rgba(246,244,239,.12);color:#DCE8E4}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--c-ok);animation:breathe 1.8s infinite ease-in-out}
.badge-accent .dot{background:var(--c-accent)}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}

/* ---------- 顶部活动条 ---------- */
.promo-bar{
  background:var(--c-accent);color:#fff;
  height:40px;display:flex;align-items:center;font-size:13.5px;
  transition:height .3s var(--ease),opacity .3s var(--ease);
  overflow:hidden;
}
.promo-bar.is-hidden{height:0;opacity:0}
.promo-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.promo-left{display:flex;align-items:center;gap:14px;min-width:0}
.promo-tag{
  display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.18);
  padding:3px 10px;border-radius:var(--r-pill);font-weight:700;white-space:nowrap;
}
.promo-tag .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:breathe 1.8s infinite}
.promo-clock{display:flex;align-items:center;gap:10px;font-weight:700}
.promo-clock .seg{padding-left:10px;border-left:1px solid rgba(255,255,255,.35);font-variant-numeric:tabular-nums}
.promo-clock .seg:first-child{padding-left:0;border-left:0}
.promo-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;opacity:.95}
.promo-close{
  background:transparent;border:0;color:#fff;cursor:pointer;font-size:18px;
  width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  transition:var(--t);flex:0 0 auto;
}
.promo-close:hover{background:rgba(255,255,255,.22)}
.promo-bar.is-live{background:var(--c-brand)}
.promo-bar.is-live .promo-tag{background:rgba(255,255,255,.16)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(246,244,239,.96);
  border-bottom:1px solid transparent;transition:var(--t);
  backdrop-filter:saturate(140%);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 20px rgba(23,24,26,.06);background:#F6F4EF}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;letter-spacing:-.02em}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;
  box-shadow:var(--sh-1);
}
.brand-text{font-size:17px;line-height:1.1;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--c-brand);display:block;font-size:11.5px;letter-spacing:.16em;font-weight:700}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:var(--c-ink-2);border-radius:6px;
  transition:var(--t);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-brand);
  border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-links a:hover{color:var(--c-brand);background:var(--c-brand-tint)}
.nav-links a.active{color:var(--c-brand);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;background:#fff;border:1px solid var(--c-line);border-radius:8px;
  width:42px;height:38px;align-items:center;justify-content:center;cursor:pointer;transition:var(--t);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle:hover{border-color:var(--c-brand)}

.menu-mask{
  position:fixed;inset:0;background:rgba(11,42,37,.6);opacity:0;visibility:hidden;
  transition:var(--t);z-index:60;
}
.menu-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);background:#fff;z-index:70;
  transform:translateX(102%);transition:transform .32s var(--ease);
  display:flex;flex-direction:column;padding:22px;box-shadow:-10px 0 40px rgba(11,42,37,.2);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:8px;width:36px;height:36px;
  font-size:18px;cursor:pointer;color:var(--c-ink-2);transition:var(--t);
}
.drawer-close:hover{border-color:var(--c-brand);color:var(--c-brand)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.drawer-nav a{
  padding:14px 12px;border-radius:8px;font-size:16px;font-weight:600;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);transition:var(--t);
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--c-brand-tint);color:var(--c-brand)}
.drawer-foot{margin-top:20px;display:flex;flex-direction:column;gap:12px}

/* ---------- Hero ---------- */
.hero{padding:72px 0 96px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,92,78,.12),rgba(15,92,78,0) 68%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero-tagline{
  display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:6px 14px 6px 8px;font-size:13px;font-weight:600;color:var(--c-ink-2);
  box-shadow:var(--sh-1);margin-bottom:22px;
}
.hero-tagline .badge{height:22px}
h1.hero-title{font-size:clamp(30px,5vw,56px);line-height:1.15;max-width:14em}
h1.hero-title em{font-style:normal;color:var(--c-brand);position:relative}
.hero-lead{margin-top:22px;font-size:17.5px;color:var(--c-ink-2);max-width:34em;line-height:1.8}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-trust{display:flex;gap:10px;margin-top:28px;flex-wrap:wrap}
.hero-figure{position:relative}
.hero-img{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);position:relative;
  aspect-ratio:4/3;background:var(--c-brand-tint);
}
.hero-img img{width:100%;height:100%;object-fit:cover;transition:transform 6s var(--ease)}
.hero-img:hover img{transform:scale(1.04)}
.hero-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,42,37,.08),rgba(11,42,37,.36));
}
.hero-float{
  position:absolute;left:-26px;bottom:26px;background:#fff;border:1px solid var(--c-line);
  border-radius:12px;padding:16px 18px;box-shadow:var(--sh-3);min-width:190px;z-index:2;
}
.hero-float .k{font-size:12px;color:var(--c-ink-3);font-weight:700;letter-spacing:.06em}
.hero-float .v{font-size:26px;font-weight:800;color:var(--c-brand);letter-spacing:-.02em;line-height:1.3}
.hero-float .s{font-size:12.5px;color:var(--c-ink-3)}

/* ---------- 指标看板 ---------- */
.dark-panel{
  background:var(--c-dark);border-radius:var(--r-lg);padding:52px 44px;color:#F6F4EF;
  border:1px solid var(--c-dark-line);
}
.dark-panel .sec-head{margin-bottom:36px}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.metric{
  padding:6px 28px;border-left:1px solid var(--c-dark-line);
}
.metric:first-child{border-left:0;padding-left:0}
.metric .n{
  font-size:clamp(34px,4vw,52px);font-weight:800;color:#F6F4EF;letter-spacing:-.03em;line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.metric .n small{font-size:18px;font-weight:700;color:#9FD3C6;margin-left:4px}
.metric .l{margin-top:8px;font-size:13px;color:#9DB3AC;font-weight:600}
.metric .d{margin-top:4px;font-size:12.5px;color:#7E9A93}

/* ---------- 服务矩阵 bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px;position:relative;overflow:hidden;transition:var(--t);display:flex;flex-direction:column;
}
.bento-card:hover{border-color:rgba(15,92,78,.3);transform:translateY(-2px);box-shadow:var(--sh-2)}
.bento-card .idx{
  position:absolute;right:18px;top:6px;font-size:76px;font-weight:800;color:var(--c-brand-tint);
  letter-spacing:-.05em;line-height:1;pointer-events:none;
}
.bento-card h3{font-size:19px;line-height:1.4;position:relative;z-index:1}
.bento-card p{margin-top:12px;font-size:14.5px;color:var(--c-ink-2);line-height:1.75;position:relative;z-index:1}
.bento-card .foot{margin-top:auto;padding-top:20px;position:relative;z-index:1}
.bento-thumb{margin-top:20px;border-radius:8px;overflow:hidden;aspect-ratio:16/9;background:var(--c-brand-tint)}
.bento-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.bento-card:hover .bento-thumb img{transform:scale(1.04)}
.c-7{grid-column:span 7}
.c-5{grid-column:span 5}
.c-4{grid-column:span 4}
.c-3{grid-column:span 3}
.c-6{grid-column:span 6}
.c-8{grid-column:span 8}
.bento-card.is-brand{background:var(--c-brand);border-color:var(--c-brand);color:#EAF3F0}
.bento-card.is-brand h3,.bento-card.is-brand .idx{color:#fff}
.bento-card.is-brand .idx{color:rgba(255,255,255,.14)}
.bento-card.is-brand p{color:#C9E0D9}
.bento-card.is-brand .link-arrow{color:#fff}

/* ---------- 对比区 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;position:relative}
.compare-col{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px}
.compare-col.is-platform{border:1.5px solid var(--c-brand);box-shadow:var(--sh-2);background:#fff}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.compare-head h3{font-size:18px}
.compare-list li{
  display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--c-line);
  font-size:15px;color:var(--c-ink-2);
}
.compare-list li:last-child{border-bottom:0}
.compare-list .mark{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;margin-top:2px;
}
.mark-ok{background:var(--c-brand-tint);color:var(--c-ok)}
.mark-off{background:#EFEDE7;color:var(--c-ink-3)}
.compare-badge{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;background:var(--c-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
  box-shadow:0 10px 26px rgba(226,112,58,.35);z-index:2;letter-spacing:.02em;
}
.bar-wrap{margin-top:32px;display:grid;gap:18px;max-width:760px}
.bar-item .bar-top{display:flex;justify-content:space-between;font-size:14px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px}
.bar{height:8px;border-radius:8px;background:#E7E3D9;overflow:hidden}
.bar span{display:block;height:100%;width:0;border-radius:8px;background:linear-gradient(90deg,var(--c-brand),#1C8471);transition:width 1.1s var(--ease)}
.bar.is-accent span{background:linear-gradient(90deg,var(--c-accent),#F0975F)}
.bar.is-on span{width:var(--w)}

/* ---------- 列表卡片 / CMS ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:var(--t);
}
.post-card:hover{border-color:rgba(15,92,78,.3);transform:translateY(-2px);box-shadow:var(--sh-3)}
.post-cover{position:relative;display:block;aspect-ratio:16/9;background:var(--c-brand-tint);overflow:hidden}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.post-card:hover .post-cover img{transform:scale(1.04)}
.post-cover .badge{position:absolute;left:12px;top:12px;background:#fff;color:var(--c-brand)}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:var(--t)}
.post-card:hover .post-body h3{color:var(--c-brand)}
.post-body p{
  margin-top:10px;font-size:14px;color:var(--c-ink-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);border-top:1px solid var(--c-line);
}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state .ico{
  width:52px;height:52px;border-radius:50%;background:var(--c-brand-tint);color:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin-bottom:14px;
}
.empty-state p{color:var(--c-ink-3);font-size:15px;margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1.7fr 1fr;gap:32px;align-items:start}
.faq-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-ink);transition:var(--t);
}
.faq-q:hover{background:#FBFAF7;color:var(--c-brand)}
.faq-q .plus{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;border:1.5px solid var(--c-brand);color:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;line-height:1;
  transition:transform .32s var(--ease),background .25s var(--ease);
}
.faq-item.is-open .faq-q{color:var(--c-brand)}
.faq-item.is-open .plus{transform:rotate(45deg);background:var(--c-brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a .inner{padding:0 24px 22px;font-size:15px;color:var(--c-ink-3);line-height:1.8}
.faq-side{
  background:var(--c-brand);color:#EAF3F0;border-radius:var(--r-card);padding:30px;
}
.faq-side h3{color:#fff;font-size:19px}
.faq-side p{margin-top:12px;font-size:14.5px;color:#C9E0D9;line-height:1.75}
.faq-side ul{margin:18px 0 24px;display:grid;gap:10px}
.faq-side li{font-size:14px;color:#DCE8E4;display:flex;gap:8px}
.faq-side li::before{content:"·";color:var(--c-accent);font-weight:800}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.contact-copy h2{font-size:clamp(24px,3.2vw,38px);line-height:1.25}
.contact-copy .lead{margin-top:18px;color:var(--c-ink-2);font-size:16px}
.contact-points{margin-top:28px;display:grid;gap:16px}
.contact-points li{display:flex;gap:12px;font-size:15px;color:var(--c-ink-2)}
.contact-points .no{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--c-accent-tint);color:var(--c-accent-ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:2px;
}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;padding:32px;box-shadow:var(--sh-1);
}
.trust-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px}
.field label .req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-left:6px;vertical-align:middle}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #DAD5C9;border-radius:var(--r-btn);background:#fff;color:var(--c-ink);
  font-size:15px;padding:0 14px;height:46px;transition:var(--t);
}
.field textarea{height:auto;padding:12px 14px;min-height:110px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#7A7B75 50%),linear-gradient(135deg,#7A7B75 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(15,92,78,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-err)}
.field .err{display:none;font-size:12px;color:var(--c-err);margin-top:6px}
.field.has-error .err{display:block}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 20px}
.check-row input{width:18px;height:18px;accent-color:var(--c-brand);margin-top:3px}
.check-row label{font-size:13.5px;color:var(--c-ink-3);line-height:1.6}
.form-note{margin-top:14px;font-size:12px;color:var(--c-ink-3);line-height:1.7}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-brand);border-radius:var(--r-lg);padding:48px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3}
.cta-band p{margin-top:10px;color:#C9E0D9;font-size:15px;max-width:44em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#B9BDB6;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:#9FD3C6}
.footer-brand p{margin-top:18px;font-size:14px;color:#9DB3AC;line-height:1.8;max-width:30em}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:#B9BDB6;transition:var(--t);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{font-size:14px;color:#B9BDB6;display:flex;gap:8px}
.footer-contact li span{color:#7E9A93}
.footer-bottom{
  border-top:1px solid rgba(246,244,239,.12);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8C9A94;
}
.footer-bottom a{color:#B9BDB6}
.footer-bottom a:hover{color:#fff}
.to-top{
  background:rgba(246,244,239,.1);border:0;color:#DCE8E4;border-radius:var(--r-pill);
  padding:8px 16px;font-size:13px;cursor:pointer;transition:var(--t);
}
.to-top:hover{background:rgba(246,244,239,.2);color:#fff}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 断点 ---------- */
@media (max-width:1439px){
  .container{max-width:1200px}
}
@media (min-width:1440px){
  .container{max-width:1280px}
}
@media (max-width:1023px){
  :root{--sec-pad:80px;--gutter:22px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .badge{display:none}
  .hero{padding:52px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-float{left:16px;bottom:-18px}
  .metric-row{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .metric:nth-child(3){border-left:0;padding-left:0}
  .bento{grid-template-columns:repeat(6,1fr)}
  .c-7,.c-8{grid-column:span 6}
  .c-5,.c-4,.c-3,.c-6{grid-column:span 3}
  .compare{grid-template-columns:1fr;gap:18px}
  .compare-badge{display:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .dark-panel{padding:40px 28px}
}
@media (max-width:639px){
  :root{--sec-pad:56px;--gutter:20px}
  body{font-size:16px}
  .nav-wrap{height:60px}
  .brand-text{font-size:15px}
  .brand-text em{font-size:10.5px}
  .nav-actions .btn-sm{display:none}
  .hero-actions .btn{flex:1 1 45%}
  .metric-row{
    display:grid;grid-auto-flow:column;grid-auto-columns:68%;grid-template-columns:none;
    gap:0;overflow-x:auto;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
  }
  .metric-row::-webkit-scrollbar{display:none}
  .metric{scroll-snap-align:start;padding:6px 20px;border-left:1px solid var(--c-dark-line)}
  .metric:first-child{padding-left:0}
  .bento{grid-template-columns:1fr}
  .c-7,.c-8,.c-5,.c-4,.c-3,.c-6{grid-column:span 1}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:32px 24px}
  .form-card{padding:22px}
  .dark-panel{padding:32px 20px}
  .promo-text{display:none}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .faq-a .inner{padding:0 18px 18px}
  .compare-col{padding:22px}
}

/* roulang page: article */
:root{
  --c-brand:#0F5C4E;
  --c-brand-deep:#08332C;
  --c-brand-tint:#EDF3F1;
  --c-accent:#E2703A;
  --c-accent-tint:#FBEAE0;
  --c-accent-ink:#B4451F;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E3DFD5;
  --c-ink:#17181A;
  --c-ink-2:#3C4046;
  --c-ink-3:#7A7B75;
  --c-dark:#0B2A25;
  --c-ok:#2E7D5B;
  --c-warn:#C9A227;
  --c-err:#C0392B;
  --r-card:10px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,24,26,.05);
  --sh-2:0 10px 30px rgba(15,92,78,.08);
  --sh-3:0 18px 40px rgba(15,92,78,.14);
  --t:.25s cubic-bezier(.2,.7,.2,1);
  --sec-pad:112px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink-2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.02em;line-height:1.25;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部活动条 ---------- */
.topbar{
  background:var(--c-accent);
  color:#fff;
  font-size:13px;
  height:40px;
  display:flex;
  align-items:center;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0;overflow:hidden;}
.topbar-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:22px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.2);
  font-size:12px;font-weight:600;letter-spacing:.04em;white-space:nowrap;
}
.topbar-text{
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  font-weight:500;letter-spacing:.01em;
}
.topbar-cd{
  display:flex;align-items:center;gap:8px;
  padding-left:14px;
  border-left:1px solid rgba(255,255,255,.35);
  font-weight:700;
  letter-spacing:.06em;
}
.topbar-close{
  background:transparent;border:0;color:#fff;
  width:26px;height:26px;border-radius:var(--r-pill);
  cursor:pointer;font-size:16px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--t);
}
.topbar-close:hover{background:rgba(255,255,255,.22);}
.topbar.is-closed{display:none;}

/* ---------- 品牌活动导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t);
}
.site-header.is-stuck{
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 20px rgba(11,42,37,.07);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand-mark{
  width:36px;height:36px;border-radius:9px;
  background:linear-gradient(140deg,var(--c-brand) 0%,var(--c-brand-deep) 100%);
  color:#fff;font-weight:800;font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-text{
  font-size:17px;font-weight:800;color:var(--c-ink);
  letter-spacing:-.02em;white-space:nowrap;
}
.brand-text em{font-style:normal;color:var(--c-brand);}
.nav-links{
  display:flex;align-items:center;gap:26px;
  flex:1 1 auto;justify-content:center;
}
.nav-links a{
  position:relative;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:6px 0;white-space:nowrap;
  transition:color var(--t);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;
  height:2px;border-radius:2px;background:var(--c-brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-links a:hover{color:var(--c-brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-brand);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--c-accent-tint);color:var(--c-accent-ink);
  font-size:12px;font-weight:600;white-space:nowrap;
}
.badge.badge-brand{background:var(--c-brand-tint);color:var(--c-brand);}
.dot{
  width:6px;height:6px;border-radius:50%;background:var(--c-ok);
  box-shadow:0 0 0 0 rgba(46,125,91,.5);
  animation:pulse 1.8s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(46,125,91,.5);}
  70%{box-shadow:0 0 0 7px rgba(46,125,91,0);}
  100%{box-shadow:0 0 0 0 rgba(46,125,91,0);}
}
.nav-toggle{
  display:none;
  width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;cursor:pointer;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--c-ink);transform:translateX(-50%);
  transition:transform var(--t),opacity var(--t);
}
.nav-toggle span{top:19px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.nav-open .nav-toggle span{transform:translateX(-50%) rotate(45deg);}
body.nav-open .nav-toggle span::before{opacity:0;transform:translateX(-50%) rotate(0);}
body.nav-open .nav-toggle span::after{transform:translateX(-50%) rotate(-90deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:#fff;color:var(--c-brand);border-color:var(--c-brand);}
.btn-ghost:hover{background:var(--c-brand-tint);color:var(--c-brand-deep);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-brand);
  position:relative;
}
.link-arrow .arw{transition:transform var(--t);}
.link-arrow:hover .arw{transform:translateX(4px);}

/* ---------- 文章页首 ---------- */
.article-hero{
  padding:26px 0 34px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{color:#C6C1B6;}
.breadcrumb .cur{color:var(--c-ink-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{max-width:880px;}
.article-head h1{
  font-size:clamp(28px,4.4vw,44px);
  line-height:1.22;font-weight:800;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:20px;font-size:13px;color:var(--c-ink-3);
}
.article-meta .sep{width:1px;height:12px;background:var(--c-line);display:inline-block;}
.article-cover{
  margin:36px 0 0;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-2);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;
  align-items:start;
  padding-top:56px;
  padding-bottom:88px;
}
.article-body{
  max-width:760px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:44px 48px;
  box-shadow:var(--sh-1);
  font-size:17px;
  line-height:1.9;
  color:var(--c-ink-2);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;}
.article-body h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:16px;
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;
  line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;
  width:4px;border-radius:2px;background:var(--c-brand);
}
.article-body h3{margin:28px 0 12px;font-size:19px;font-weight:700;color:var(--c-ink);}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:700;color:var(--c-ink);}
.article-body a{
  color:var(--c-brand);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
}
.article-body a:hover{text-decoration-thickness:2px;color:var(--c-brand-deep);}
.article-body blockquote{
  margin:22px 0;padding:16px 22px;
  background:var(--c-brand-tint);
  border-left:4px solid var(--c-brand);
  border-radius:0 var(--r-btn) var(--r-btn) 0;
  color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,
.article-body ol{margin:0 0 18px;}
.article-body li{position:relative;padding-left:24px;margin-bottom:10px;}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--c-brand);
}
.article-body ol{counter-reset:olc;}
.article-body ol > li{counter-increment:olc;}
.article-body ol > li::before{
  content:counter(olc) ".";
  position:absolute;left:0;top:0;
  color:var(--c-brand);font-weight:800;font-size:15px;
}
.article-body img{border-radius:var(--r-card);margin:24px 0 8px;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);margin-top:8px;text-align:center;}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  display:block;overflow-x:auto;
}
.article-body th,
.article-body td{padding:10px 14px;border-bottom:1px solid var(--c-line);text-align:left;}
.article-body th{background:var(--c-brand-tint);font-weight:700;color:var(--c-ink);}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),border-color var(--t);
}
.side-card:hover{box-shadow:var(--sh-2);}
.side-title{
  font-size:14px;font-weight:700;color:var(--c-ink);
  letter-spacing:.02em;margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.side-title::before{
  content:"";width:24px;height:2px;border-radius:2px;background:var(--c-brand);
}
.side-link{
  display:flex;align-items:center;gap:12px;
  padding:12px 0;border-bottom:1px solid var(--c-line);
  font-size:14px;color:var(--c-ink-2);
  transition:color var(--t),transform var(--t);
}
.side-link:last-child{border-bottom:0;padding-bottom:0;}
.side-link:hover{color:var(--c-brand);transform:translateX(2px);}
.side-link span.idx{
  flex:0 0 22px;height:22px;border-radius:6px;
  background:var(--c-brand-tint);color:var(--c-brand);
  font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.side-cta{
  background:linear-gradient(150deg,var(--c-brand) 0%,var(--c-brand-deep) 100%);
  border:0;color:#fff;
}
.side-cta .side-title{color:#fff;}
.side-cta .side-title::before{background:var(--c-accent);}
.side-cta p{color:rgba(255,255,255,.78);font-size:14px;line-height:1.75;margin-bottom:18px;}
.side-cta .btn{background:#fff;color:var(--c-brand-deep);}
.side-cta .btn:hover{background:var(--c-brand-tint);color:var(--c-brand-deep);}

/* ---------- 文末区 ---------- */
.article-foot{
  max-width:760px;
  margin-top:32px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:32px 48px;
  box-shadow:var(--sh-1);
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-brand-tint);
  color:var(--c-brand);font-size:12px;font-weight:600;
  transition:background var(--t),color var(--t);
}
.tag:hover{background:var(--c-brand);color:#fff;}
.article-foot .divider{height:1px;background:var(--c-line);margin:26px 0;}
.foot-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.foot-nav .meta{font-size:13px;color:var(--c-ink-3);}

/* ---------- 相关推荐 ---------- */
.rel-section{padding:0 0 96px;}
.sec-head{margin-bottom:40px;}
.sec-eyebrow{
  display:flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--c-brand);text-transform:uppercase;margin-bottom:14px;
}
.sec-eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--c-brand);}
.sec-head h2{font-size:clamp(24px,3.2vw,34px);}
.sec-head p{margin:14px 0 0;color:var(--c-ink-3);font-size:15px;max-width:680px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:block;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.rel-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-3);
  border-color:rgba(15,92,78,.3);
}
.rel-card .cover{overflow:hidden;background:var(--c-brand-tint);}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1);}
.rel-card:hover img{transform:scale(1.04);}
.rel-card .rel-body{padding:22px 24px 24px;}
.rel-card h3{
  font-size:17px;line-height:1.4;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--t);
}
.rel-card:hover h3{color:var(--c-brand);}
.rel-card p{
  font-size:14px;color:var(--c-ink-3);line-height:1.7;margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card .rel-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);
}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 112px;}
.cta-inner{
  background:linear-gradient(150deg,#0F5C4E 0%,#0B2A25 100%);
  border-radius:16px;
  padding:56px;
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:40px;
  align-items:center;
  color:#fff;
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.8vw,32px);margin-bottom:14px;}
.cta-inner p{color:rgba(255,255,255,.76);font-size:15px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}
.cta-actions .btn-primary{background:var(--c-accent);color:#fff;}
.cta-actions .btn-primary:hover{background:#C85F2C;}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;
  padding:56px 24px;
}
.empty-state .ico{
  width:56px;height:56px;border-radius:14px;margin:0 auto 20px;
  background:var(--c-brand-tint);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;
}
.empty-state h3{font-size:19px;margin-bottom:10px;}
.empty-state p{color:var(--c-ink-3);font-size:15px;margin-bottom:22px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);
  color:#B9BDB6;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text em{color:#7FC7B4;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:#9BA29A;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{
  font-size:14px;color:#B9BDB6;display:inline-block;
  transition:color var(--t),transform var(--t);
}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14px;color:#B9BDB6;margin-bottom:12px;}
.footer-contact li span{color:#7E867E;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding:24px 0 32px;
  font-size:13px;color:#868D86;
}
.to-top{
  background:transparent;border:1px solid rgba(255,255,255,.25);
  color:#D6DAD4;height:32px;padding:0 14px;border-radius:var(--r-btn);
  font-size:13px;cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t);
}
.to-top:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.45);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media screen and (min-width:1440px){
  .container{max-width:1280px;}
}
@media screen and (max-width:1199px){
  :root{--sec-pad:80px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;padding-top:44px;padding-bottom:72px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side > *{flex:1 1 280px;}
  .article-body{max-width:none;}
  .article-foot{max-width:none;}
}
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-block;}
  .nav-links{
    position:fixed;left:0;right:0;top:112px;bottom:0;
    background:#fff;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;padding:16px 24px 40px;
    transform:translateY(-8px);
    opacity:0;visibility:hidden;
    transition:opacity var(--t),transform var(--t),visibility var(--t);
    overflow-y:auto;
  }
  body.nav-open .nav-links{
    display:flex;
    opacity:1;visibility:visible;transform:none;
  }
  .nav-links a{
    font-size:16px;font-weight:600;padding:16px 4px;
    border-bottom:1px solid var(--c-line);
  }
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--c-brand);}
  .nav-actions .badge{display:none;}
  .cta-inner{grid-template-columns:1fr;padding:40px 32px;}
  .cta-actions{justify-content:flex-start;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  :root{--sec-pad:56px;}
  .container{padding:0 20px;}
  .nav-wrap{height:60px;}
  .nav-links{top:100px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:32px;height:32px;font-size:16px;}
  .topbar-text{display:none;}
  .topbar-cd{padding-left:12px;}
  .article-hero{padding:20px 0 26px;}
  .article-body{padding:28px 22px;font-size:16px;line-height:1.85;}
  .article-foot{padding:24px 22px;}
  .article-side{flex-direction:column;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding-bottom:72px;}
  .cta-inner{padding:32px 24px;border-radius:12px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .breadcrumb .cur{max-width:200px;}
}
@media screen and (max-width:519px){
  .article-head h1{font-size:26px;}
  .article-meta{gap:8px;font-size:12px;}
  .btn{height:42px;padding:0 18px;font-size:14px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --c-brand:#0F5C4E;
  --c-brand-deep:#08332C;
  --c-brand-tint:#EDF3F1;
  --c-accent:#E2703A;
  --c-accent-tint:#FBEAE0;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E3DFD5;
  --c-ink:#17181A;
  --c-ink-2:#3C4046;
  --c-ink-3:#7A7B75;
  --c-dark:#0B2A25;
  --c-success:#2E7D5B;
  --c-warn:#C9A227;
  --c-error:#C0392B;
  --r-card:10px;
  --r-btn:8px;
  --r-pill:999px;
  --r-block:16px;
  --sh-1:0 1px 2px rgba(23,24,26,.05);
  --sh-2:0 10px 30px rgba(15,92,78,.08);
  --sh-3:0 18px 40px rgba(15,92,78,.14);
  --t:.25s cubic-bezier(.2,.7,.2,1);
  --sec-y:112px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t);}
a:hover{color:var(--c-brand-deep);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;color:var(--c-ink);}
p{margin:0;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec-y) 0;}
.section.tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3.2vw,38px);line-height:1.25;}
.section-desc{margin-top:14px;color:var(--c-ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--c-brand);margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--c-accent);display:block;}
.eyebrow.light{color:#CFE3DD;}
.eyebrow.light::before{background:var(--c-accent);}

/* ============ 顶部活动条 ============ */
.top-strip{
  background:var(--c-accent);
  color:#fff;
  font-size:14px;
  transition:height var(--t),opacity var(--t);
}
.top-strip.is-hidden{display:none;}
.strip-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:40px;padding:6px 0;
}
.strip-left{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.strip-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.18);
  border-radius:var(--r-pill);
  padding:2px 12px;font-size:12px;font-weight:700;letter-spacing:.04em;
}
.strip-text{font-weight:600;}
.countdown{display:inline-flex;align-items:center;gap:8px;font-weight:700;}
.countdown .num{
  background:rgba(255,255,255,.18);
  border-radius:6px;padding:1px 8px;min-width:34px;text-align:center;
}
.countdown .sep{opacity:.55;}
.strip-close{
  background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff;
  width:26px;height:26px;border-radius:50%;line-height:1;font-size:13px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--t),border-color var(--t);
}
.strip-close:hover{background:rgba(255,255,255,.2);border-color:#fff;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.96);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t),background var(--t);
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 18px rgba(23,24,26,.06);
  background:rgba(246,244,239,.98);
}
.nav-wrap{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 auto;
  background:var(--c-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;letter-spacing:0;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--c-brand);margin-left:4px;font-size:14px;font-weight:700;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.nav-links a{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;font-weight:500;color:var(--c-ink-2);
  border-radius:var(--r-btn);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--c-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-links a:hover{color:var(--c-brand);background:var(--c-brand-tint);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-brand);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-accent-tint);color:#B4451F;
  font-size:12px;font-weight:700;white-space:nowrap;
}
.badge.tint{background:var(--c-brand-tint);color:var(--c-brand);}
.badge.dark{background:rgba(255,255,255,.14);color:#EAF3F0;}
.dot{
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
  display:inline-block;animation:breathe 1.8s ease-in-out infinite;
}
.badge.tint .dot{background:var(--c-success);}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.82);}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;background:transparent;color:var(--c-ink);
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:#fff;border-color:var(--c-brand);color:var(--c-brand);}
.btn-ghost:hover{background:var(--c-brand-tint);color:var(--c-brand-deep);}
.btn-light{background:#fff;color:var(--c-brand-deep);}
.btn-light:hover{background:var(--c-brand-tint);color:var(--c-brand-deep);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:15px;color:var(--c-brand);
  position:relative;padding-bottom:2px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow .arrow{transition:transform var(--t);}
.link-arrow:hover .arrow{transform:translateX(4px);}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,37,.6);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:var(--c-surface);z-index:80;
  transform:translateX(100%);transition:transform .32s cubic-bezier(.2,.7,.2,1);
  display:flex;flex-direction:column;
  box-shadow:-12px 0 40px rgba(11,42,37,.22);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--c-line);
}
.drawer-head .brand-text{font-size:16px;}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink-2);font-size:16px;
}
.drawer-close:hover{background:var(--c-brand-tint);border-color:var(--c-brand);color:var(--c-brand);}
.drawer-nav{padding:12px 12px 20px;overflow-y:auto;flex:1;}
.drawer-nav a{
  display:block;padding:14px 12px;border-radius:var(--r-btn);
  color:var(--c-ink-2);font-size:16px;font-weight:600;
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a:last-child{border-bottom:0;}
.drawer-nav a:hover{background:var(--c-brand-tint);color:var(--c-brand);}
.drawer-nav a.active{color:var(--c-brand);background:var(--c-brand-tint);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--c-line);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--c-ink);transform:translateX(-50%);transition:transform var(--t),opacity var(--t);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle:hover{border-color:var(--c-brand);}

/* ============ Hero 横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--c-brand-deep);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,51,44,.88) 0%,rgba(8,51,44,.66) 52%,rgba(8,51,44,.42) 100%);
}
.hero-inner{position:relative;z-index:2;padding:96px 24px 84px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.5;}
.page-hero h1{
  color:#fff;font-size:clamp(30px,5vw,54px);line-height:1.15;
  max-width:16em;
}
.hero-sub{
  margin-top:20px;max-width:640px;
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);
}
.hero-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 图文交替 ============ */
.alt-list{display:flex;flex-direction:column;gap:72px;margin-top:8px;}
.alt-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;align-items:center;
}
.alt-row:nth-child(even) .alt-media{order:2;}
.alt-row:nth-child(even) .alt-body{order:1;}
.alt-media{
  border-radius:var(--r-block);overflow:hidden;
  box-shadow:var(--sh-2);background:var(--c-brand-tint);
  aspect-ratio:16/10;
}
.alt-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s cubic-bezier(.2,.7,.2,1);
}
.alt-row:hover .alt-media img{transform:scale(1.04);}
.alt-body h3{font-size:22px;margin:14px 0 12px;line-height:1.35;}
.alt-body p{color:var(--c-ink-2);font-size:15.5px;line-height:1.85;}
.alt-body p + p{margin-top:12px;}
.check-list{margin:18px 0 20px;display:flex;flex-direction:column;gap:10px;}
.check-list li{
  position:relative;padding-left:26px;font-size:15px;color:var(--c-ink-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:14px;height:8px;border-left:2px solid var(--c-brand);
  border-bottom:2px solid var(--c-brand);transform:rotate(-45deg);
}

/* ============ 指标小条 ============ */
.stat-strip{
  background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  padding:56px 0;
}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
}
.stat-card{
  background:var(--c-bg);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,92,78,.28);}
.stat-num{
  font-size:clamp(32px,3.4vw,42px);font-weight:800;color:var(--c-brand);
  line-height:1.1;letter-spacing:-.02em;
}
.stat-num small{font-size:16px;font-weight:700;margin-left:2px;color:var(--c-ink-2);}
.stat-label{margin-top:8px;font-size:13px;color:var(--c-ink-3);letter-spacing:.02em;}

/* ============ FAQ ============ */
.faq-section{background:#fff;border-top:1px solid var(--c-line);}
.faq-wrap{max-width:860px;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.6;
  transition:color var(--t);
}
.faq-q:hover{color:var(--c-brand);}
.faq-q .plus{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--c-line);position:relative;
  transition:transform .32s cubic-bezier(.2,.7,.2,1),border-color var(--t),background var(--t);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-brand);
  transform:translate(-50%,-50%);
}
.faq-q .plus::before{width:10px;height:1.5px;}
.faq-q .plus::after{width:1.5px;height:10px;transition:opacity var(--t);}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);border-color:var(--c-brand);background:var(--c-brand-tint);}
.faq-item.is-open .faq-q{color:var(--c-brand);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s cubic-bezier(.2,.7,.2,1);
}
.faq-a-inner{
  padding:0 44px 24px 4px;font-size:15px;line-height:1.85;color:var(--c-ink-3);
}

/* ============ 表单 ============ */
.contact-section{background:var(--c-bg);}
.contact-grid{
  display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;
}
.contact-intro h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25;margin-bottom:16px;}
.contact-intro p{color:var(--c-ink-2);font-size:15.5px;line-height:1.85;}
.point-list{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.point-list li{
  display:flex;gap:14px;align-items:flex-start;
  font-size:15px;color:var(--c-ink-2);line-height:1.75;
}
.point-list .idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--c-brand-tint);color:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;
}
.trust-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px;}
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  padding:32px;box-shadow:var(--sh-1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{
  display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px;
}
.field label .req{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);margin-left:6px;vertical-align:middle;
}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid #DAD5C9;border-radius:var(--r-btn);
  background:#fff;color:var(--c-ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237A7B75' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:38px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(15,92,78,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-error);}
.field .hint{display:none;margin-top:6px;font-size:12px;color:var(--c-error);}
.field.has-error .hint{display:block;}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--c-ink-3);line-height:1.7;}
.check-line input{width:18px;height:18px;margin-top:2px;accent-color:var(--c-brand);flex:0 0 auto;}
.form-privacy{margin-top:12px;font-size:12px;color:var(--c-ink-3);line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#B9BDB6;padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(227,223,213,.14);
}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand-text em{color:#8FC7B7;}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FA69F;max-width:300px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;color:#B9BDB6;display:inline-block;
  transition:color var(--t),transform var(--t);
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14px;color:#B9BDB6;line-height:1.8;}
.footer-contact span{color:#8B948C;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:24px 0 28px;font-size:13px;color:#8B948C;
}
.to-top{
  background:transparent;border:1px solid rgba(227,223,213,.28);color:#DDE3DE;
  height:34px;padding:0 16px;border-radius:var(--r-btn);font-size:13px;
  transition:background var(--t),border-color var(--t),color var(--t);
}
.to-top:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .dot{animation:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  :root{--container:1100px;}
}
@media screen and (max-width:1023px){
  :root{--sec-y:80px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-wrap{min-height:64px;gap:14px;}
  .nav-actions .btn-primary{display:none;}
  .alt-row{gap:32px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero-inner{padding:76px 24px 68px;}
}
@media screen and (max-width:767px){
  :root{--sec-y:56px;}
  .container{padding:0 20px;}
  .alt-row{grid-template-columns:1fr;gap:22px;}
  .alt-row:nth-child(even) .alt-media{order:0;}
  .alt-row:nth-child(even) .alt-body{order:0;}
  .alt-list{gap:56px;}
  .hero-inner{padding:60px 20px 56px;}
  .page-hero h1{font-size:clamp(28px,7vw,38px);}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .form-card{padding:24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .faq-q{font-size:16px;padding:18px 2px;}
  .faq-a-inner{padding-right:12px;}
  .strip-inner{flex-direction:column;align-items:flex-start;gap:6px;padding:8px 0;}
  .strip-close{position:absolute;right:20px;top:8px;}
}
@media screen and (max-width:519px){
  .brand-text{font-size:16px;}
  .brand-text em{font-size:12px;}
  .stat-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:28px;}
}

/* roulang page: category2 */
:root{
  --c-brand:#0F5C4E;
  --c-brand-deep:#08332C;
  --c-brand-tint:#EDF3F1;
  --c-accent:#E2703A;
  --c-accent-tint:#FBEAE0;
  --c-accent-ink:#B4451F;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E3DFD5;
  --c-ink:#17181A;
  --c-ink-2:#3C4046;
  --c-ink-3:#7A7B75;
  --c-dark:#0B2A25;
  --c-ok:#2E7D5B;
  --c-warn:#C9A227;
  --c-err:#C0392B;
  --r-card:10px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,24,26,.05);
  --sh-2:0 10px 30px rgba(15,92,78,.08);
  --sh-3:0 18px 40px rgba(15,92,78,.14);
  --t:.25s cubic-bezier(.2,.7,.2,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-brand-deep)}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
h1,h2,h3,h4,h5,h6{font-weight:700;letter-spacing:-.02em;color:var(--c-ink);margin:0;line-height:1.25}
h1{font-size:clamp(30px,5vw,56px);line-height:1.15}
h2{font-size:clamp(24px,3.2vw,38px)}
h3{font-size:19px}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-accent-tint);color:var(--c-accent-ink)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ===== 顶部活动条 ===== */
.promo-bar{background:var(--c-accent);color:#fff;min-height:40px;display:flex;align-items:center;position:relative;z-index:70}
.promo-bar.is-closed{display:none}
.promo-inner{display:flex;align-items:center;gap:14px;flex-wrap:nowrap;min-height:40px}
.promo-tag{flex:none;display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);background:rgba(255,255,255,.2);font-size:12px;font-weight:600;letter-spacing:.04em}
.promo-text{font-size:13px;color:rgba(255,255,255,.95);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.promo-clock{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-variant-numeric:tabular-nums;margin-left:auto}
.promo-clock .ck{display:inline-flex;align-items:baseline;gap:2px}
.promo-clock .ck b{font-weight:700;font-size:14px}
.promo-clock .ck i{font-style:normal;font-size:11px;opacity:.85}
.promo-clock .sep{width:1px;height:14px;background:rgba(255,255,255,.45)}
.promo-clock.is-live b{font-size:13px}
.promo-close{flex:none;width:26px;height:26px;border:0;border-radius:50%;background:rgba(255,255,255,.16);color:#fff;font-size:16px;line-height:1;display:inline-flex;align-items:center;justify-content:center;transition:background var(--t)}
.promo-close:hover{background:rgba(255,255,255,.32)}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-bg);border-bottom:1px solid transparent;transition:box-shadow var(--t),border-color var(--t)}
.site-header.is-stuck{border-bottom-color:var(--c-line);box-shadow:0 4px 20px rgba(23,24,26,.06)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:var(--nav-h)}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--c-brand);color:#fff;font-weight:800;font-size:18px;display:inline-flex;align-items:center;justify-content:center;letter-spacing:0}
.brand-text{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;line-height:1}
.brand-text em{font-style:normal;color:var(--c-brand);margin-left:2px;font-weight:700}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:6px}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:4px 2px}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--c-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.nav-links a:hover{color:var(--c-brand)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-brand);font-weight:600}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--c-accent-tint);color:var(--c-accent-ink);white-space:nowrap}
.badge.badge-ok{background:rgba(46,125,91,.12);color:#20664A}
.badge.badge-soft{background:var(--c-brand-tint);color:var(--c-brand)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;animation:breath 1.8s ease-in-out infinite}
@keyframes breath{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--c-ink)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);white-space:nowrap}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:var(--c-surface);border-color:var(--c-brand);color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-tint);color:var(--c-brand-deep)}
.btn-onDark{background:#fff;color:var(--c-brand-deep)}
.btn-onDark:hover{background:var(--c-accent-tint);color:var(--c-accent-ink);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);position:relative;padding-bottom:2px;background:none;border:0}
.btn-text::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--c-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.btn-text:hover::after{transform:scaleX(1)}
.btn-text .arw{transition:transform var(--t)}
.btn-text:hover .arw{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 移动抽屉 ===== */
.drawer-mask{position:fixed;inset:0;background:rgba(11,42,37,.6);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:90}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,88vw);background:var(--c-bg);z-index:95;transform:translateX(102%);transition:transform .3s cubic-bezier(.2,.7,.2,1);display:flex;flex-direction:column;padding:20px;box-shadow:-20px 0 50px rgba(11,42,37,.25)}
.mobile-drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:36px;height:36px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);font-size:18px;line-height:1;color:var(--c-ink-2)}
.drawer-nav{display:flex;flex-direction:column;padding:16px 0;gap:2px}
.drawer-nav a{padding:14px 4px;font-size:16px;font-weight:500;color:var(--c-ink-2);border-bottom:1px solid var(--c-line)}
.drawer-nav a.active{color:var(--c-brand);font-weight:700}
.drawer-cta{margin-top:auto;width:100%}

/* ===== 通用板块 ===== */
.section{padding:112px 0}
.section-tight{padding:76px 0}
.section-alt{background:#F1EEE7}
.sec-head{margin-bottom:40px;max-width:820px}
.sec-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--c-brand);margin:0 0 14px;text-transform:uppercase}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--c-brand);display:inline-block}
.sec-head h2{margin-bottom:12px}
.sec-lead{font-size:16px;color:var(--c-ink-2);margin:0;max-width:760px}

/* ===== 分类页 Hero ===== */
.cat-hero{background:var(--c-dark);color:#F3F1EA;position:relative;overflow:hidden}
.cat-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(15,92,78,.55);filter:blur(10px);pointer-events:none}
.cat-hero .container{position:relative;z-index:2;min-height:240px;display:flex;flex-direction:column;justify-content:center;padding-top:34px;padding-bottom:34px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(243,241,234,.62);margin-bottom:16px}
.crumb a{color:rgba(243,241,234,.78)}
.crumb a:hover{color:#fff}
.crumb .slash{opacity:.5}
.crumb .now{color:#fff}
.cat-hero h1{color:#fff;margin-bottom:14px;max-width:14em}
.cat-hero .hero-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.cat-hero p.hero-sub{color:rgba(243,241,234,.8);font-size:16px;max-width:660px;margin:0 0 24px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 锚点目录 ===== */
.toc-wrap{position:sticky;top:var(--nav-h);z-index:50;background:var(--c-bg);border-bottom:1px solid var(--c-line);padding:12px 0}
.toc{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.toc::-webkit-scrollbar{display:none}
.toc a{flex:none;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);font-size:14px;font-weight:500;color:var(--c-ink-2);transition:all var(--t)}
.toc a:hover{border-color:var(--c-brand);color:var(--c-brand)}
.toc a.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#fff}

/* ===== Bento 矩阵 ===== */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento .card{grid-column:span 4}
.bento .card.c7{grid-column:span 7}
.bento .card.c5{grid-column:span 5}
.bento .card.c4{grid-column:span 4}
.bento .card.c8{grid-column:span 8}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);transition:border-color var(--t),transform var(--t),box-shadow var(--t);position:relative;scroll-margin-top:150px}
.card:hover{border-color:rgba(15,92,78,.3);transform:translateY(-2px);box-shadow:var(--sh-2)}
.card .idx{display:block;font-size:44px;font-weight:800;line-height:1;color:var(--c-brand-tint);letter-spacing:-.04em;margin-bottom:12px}
.card h3{margin-bottom:10px}
.card h3 a{color:inherit}
.card h3 a:hover{color:var(--c-brand)}
.card .desc{font-size:15px;color:var(--c-ink-2);margin:0 0 16px}
.point-list{display:flex;flex-direction:column;gap:9px;margin-bottom:20px}
.point-list li{position:relative;padding-left:20px;font-size:14px;color:var(--c-ink-2);line-height:1.7}
.point-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--c-brand-tint);border:1px solid var(--c-brand);transform:rotate(45deg)}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--c-line);padding-top:16px}
.card-foot .meta{font-size:13px;color:var(--c-ink-3)}
.card-media{border-radius:8px;overflow:hidden;margin-bottom:20px;aspect-ratio:16/9;background:var(--c-brand-tint)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-media img{transform:scale(1.04)}
.card.is-feature{background:linear-gradient(180deg,#FFFFFF 0%,#FBFDFC 100%)}

/* ===== 对比区 ===== */
.compare{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:stretch}
.compare-col{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px;position:relative}
.compare-col.is-plain{background:#F1EEE7;border-color:#E6E2D8}
.compare-col.is-brand{border-color:var(--c-brand);box-shadow:var(--sh-2);background:var(--c-surface)}
.corner-tag{position:absolute;top:-12px;left:24px;display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:var(--c-brand);color:#fff;font-size:12px;font-weight:600}
.col-head{font-size:18px;font-weight:700;margin-bottom:6px}
.col-note{font-size:13px;color:var(--c-ink-3);margin-bottom:20px}
.cmp-list{display:flex;flex-direction:column;gap:14px}
.cmp-list li{display:flex;gap:10px;font-size:15px;color:var(--c-ink-2);line-height:1.7}
.cmp-list .mk{flex:none;width:20px;height:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:3px}
.mk-yes{background:rgba(46,125,91,.14);color:var(--c-ok)}
.mk-no{background:rgba(122,123,117,.16);color:var(--c-ink-3)}
.compare-badge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;background:var(--c-bg);border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--c-brand);letter-spacing:.06em;box-shadow:var(--sh-1)}
.bar-group{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px}
.bar-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px}
.bar-item h4{font-size:15px;margin-bottom:6px}
.bar-item .bar-note{font-size:13px;color:var(--c-ink-3);margin-bottom:14px}
.bar-track{height:8px;border-radius:8px;background:#EDEAE2;overflow:hidden}
.bar-fill{height:100%;width:0;border-radius:8px;background:var(--c-brand);transition:width 1.1s cubic-bezier(.2,.7,.2,1)}
.bar-fill.accent{background:var(--c-accent)}
.bar-item .val{font-size:13px;color:var(--c-ink-2);margin-top:10px;font-weight:600}

/* ===== 推荐卡片 ===== */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);display:flex;flex-direction:column}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,92,78,.3)}
.rec-media{position:relative;aspect-ratio:16/9;background:var(--c-brand-tint);overflow:hidden}
.rec-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.rec-card:hover .rec-media img{transform:scale(1.04)}
.rec-media .badge{position:absolute;top:12px;left:12px}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.rec-body h3{font-size:17px;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-body h3 a{color:inherit}
.rec-card:hover .rec-body h3 a{color:var(--c-brand)}
.rec-body p{font-size:14px;color:var(--c-ink-3);margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--c-line);padding-top:14px;font-size:13px;color:var(--c-ink-3)}
.rec-foot .go{color:var(--c-brand);font-weight:600;display:inline-flex;align-items:center;gap:4px}
.rec-foot .go .arw{transition:transform var(--t)}
.rec-card:hover .rec-foot .go .arw{transform:translateX(4px)}

/* ===== CTA 条 ===== */
.cta-band{background:var(--c-brand);color:#fff;border-radius:16px;padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:var(--sh-2)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.82);margin:0;font-size:15px;max-width:640px}
.cta-band .cta-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.cta-band .badge{background:rgba(255,255,255,.14);color:#fff}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:#B9BDB6;padding:72px 0 28px;margin-top:112px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(237,243,241,.14)}
.footer-brand .brand-mark{background:var(--c-brand);color:#fff}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:#8FCDBC}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#B9BDB6;max-width:320px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#B9BDB6}
.footer-col a:hover{color:#fff}
.footer-contact li{font-size:14px;color:#B9BDB6}
.footer-contact span{color:#8A8F89}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:#8A8F89}
.to-top{border:1px solid rgba(237,243,241,.25);background:transparent;color:#E7E5DE;font-size:13px;padding:8px 14px;border-radius:var(--r-btn);transition:all var(--t)}
.to-top:hover{background:rgba(237,243,241,.1);border-color:rgba(237,243,241,.5);color:#fff}

/* ===== 入场动效 ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .bento .card.c7,.bento .card.c5,.bento .card.c4,.bento .card.c8,.bento .card{grid-column:span 6}
  .section{padding:88px 0}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-wrap{gap:16px;height:64px}
  .nav-actions .badge{display:none}
  .toc-wrap{top:64px}
  .compare{grid-template-columns:1fr;gap:28px}
  .compare-badge{display:none}
  .bar-group{grid-template-columns:1fr;gap:16px}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .cta-band{padding:34px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .bento .card,.bento .card.c7,.bento .card.c5,.bento .card.c4,.bento .card.c8{grid-column:span 12}
  .bento{gap:16px}
  .rec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .sec-head{margin-bottom:28px}
  .sec-head.split{flex-direction:column;align-items:flex-start;gap:16px}
  .promo-text{display:none}
  .promo-clock{margin-left:auto}
  .cat-hero .container{min-height:220px}
  .hero-actions .btn{width:100%}
  .cta-band{padding:28px;flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .to-top{width:100%}
  .card{padding:22px}
  .card .idx{font-size:36px}
  .site-footer{padding:56px 0 24px;margin-top:72px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --c-brand:#0F5C4E;
  --c-brand-deep:#08332C;
  --c-brand-tint:#EDF3F1;
  --c-accent:#E2703A;
  --c-accent-tint:#FBEAE0;
  --c-accent-ink:#B4451F;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E3DFD5;
  --c-line-soft:#DAD5C9;
  --c-ink:#17181A;
  --c-ink-2:#3C4046;
  --c-ink-3:#7A7B75;
  --c-dark:#0B2A25;
  --c-ok:#2E7D5B;
  --c-warn:#C9A227;
  --c-err:#C0392B;
  --sh-1:0 1px 2px rgba(23,24,26,.05);
  --sh-2:0 10px 30px rgba(15,92,78,.08);
  --sh-3:0 18px 40px rgba(15,92,78,.14);
  --r-card:10px;
  --r-btn:8px;
  --r-img:10px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:.25s var(--ease);
  --sp-section:112px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--c-brand);}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em;color:var(--c-ink);}
h1{font-size:clamp(30px,5vw,56px);line-height:1.15;}
h2{font-size:clamp(24px,3.2vw,38px);line-height:1.25;}
h3{font-size:19px;line-height:1.45;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sp-section) 0;}
.section.tight{padding-top:64px;}
.section.alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.08em;color:var(--c-brand);
  font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--c-brand);border-radius:2px;display:block;}
.section-head.center .eyebrow::before{display:none;}
.lead{font-size:16.5px;color:var(--c-ink-2);line-height:1.85;}
.muted{color:var(--c-ink-3);}

/* 顶部活动条 */
.activity-bar{background:var(--c-accent);color:#fff;}
.activity-inner{
  min-height:40px;display:flex;align-items:center;gap:16px;
  padding:6px 0;font-size:13.5px;flex-wrap:wrap;
}
.activity-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);border-radius:999px;
  padding:3px 12px;font-size:12.5px;font-weight:600;
}
.activity-tag .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:breath 1.8s infinite ease-in-out;}
.countdown{display:flex;align-items:center;gap:12px;}
.cd-item{display:inline-flex;align-items:baseline;gap:4px;position:relative;padding-right:12px;}
.cd-item::after{content:"";position:absolute;right:0;top:3px;bottom:3px;width:1px;background:rgba(255,255,255,.4);}
.cd-item:last-child::after{display:none;padding-right:0;}
.cd-num{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;}
.cd-label{font-size:12px;opacity:.85;}
.bar-close{
  margin-left:auto;background:transparent;border:1px solid rgba(255,255,255,.5);
  color:#fff;border-radius:999px;font-size:12px;padding:2px 12px;cursor:pointer;
  transition:background-color var(--t),border-color var(--t);
}
.bar-close:hover{background:rgba(255,255,255,.18);border-color:#fff;}
@keyframes breath{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.78);}}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,239,.96);
  backdrop-filter:saturate(140%) blur(4px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t),background-color var(--t);
}
.site-header.is-stuck{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);background:#fff;}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(160deg,var(--c-brand) 0%,var(--c-brand-deep) 100%);
  color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  letter-spacing:0;box-shadow:var(--sh-1);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--c-ink);line-height:1;white-space:nowrap;}
.brand-text em{font-style:normal;font-weight:600;font-size:13px;color:var(--c-brand);margin-left:4px;letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-links a:hover{color:var(--c-brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-brand);font-weight:700;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.badge{
  display:inline-flex;align-items:center;gap:7px;height:24px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;
  background:var(--c-accent-tint);color:var(--c-accent-ink);white-space:nowrap;
}
.badge.brand{background:var(--c-brand-tint);color:var(--c-brand);}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--c-ok);animation:breath 1.8s infinite ease-in-out;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:8px;border:1px solid var(--c-line);
  background:#fff;cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:11px;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
  transition:transform var(--t),opacity var(--t);
}
.nav-toggle span{top:20px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  text-align:center;line-height:1;
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:#fff;color:var(--c-brand);border-color:var(--c-brand);}
.btn-ghost:hover{background:var(--c-brand-tint);color:var(--c-brand-deep);}
.btn-light{background:#fff;color:var(--c-brand);}
.btn-light:hover{background:var(--c-brand-tint);color:var(--c-brand-deep);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:600;font-size:14.5px;
  position:relative;padding-bottom:2px;
}
.btn-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--c-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.btn-link:hover::after{transform:scaleX(1);}
.btn-link i{font-style:normal;transition:transform var(--t);}
.btn-link:hover i{transform:translateX(4px);}

/* Hero 分类页3 */
.hero-cat3{background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);border-bottom:1px solid var(--c-line);padding:56px 0 72px;}
.hero-cat3 .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:20px;flex-wrap:wrap;}
.crumbs a{color:var(--c-ink-3);}
.crumbs a:hover{color:var(--c-brand);}
.crumbs .sep{color:#BDB9AE;}
.crumbs .now{color:var(--c-ink-2);}
.hero-cat3 h1{margin-bottom:18px;}
.hero-cat3 h1 .hl{color:var(--c-brand);}
.hero-cat3 p{font-size:16.5px;color:var(--c-ink-2);line-height:1.85;max-width:560px;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:16px;box-shadow:var(--sh-2);
}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;background:#fff;border:1px solid var(--c-line);
  border-radius:12px;padding:14px 18px;box-shadow:var(--sh-2);min-width:190px;
}
.hero-float b{display:block;font-size:26px;font-variant-numeric:tabular-nums;color:var(--c-brand);line-height:1.2;}
.hero-float span{font-size:12.5px;color:var(--c-ink-3);}

/* 时间线 */
.timeline{position:relative;padding-left:44px;max-width:920px;}
.timeline::before{
  content:"";position:absolute;left:21px;top:12px;bottom:12px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-brand) 0%,rgba(15,92,78,.15) 100%);
}
.tl-item{position:relative;padding:0 0 40px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:-44px;top:0;width:44px;height:44px;border-radius:50%;
  background:#fff;border:2px solid var(--c-brand);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  font-size:14.5px;font-weight:800;font-variant-numeric:tabular-nums;box-shadow:var(--sh-1);
}
.tl-body{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 28px;transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.tl-body:hover{border-color:rgba(15,92,78,.32);transform:translateY(-2px);box-shadow:var(--sh-2);}
.tl-body h3{margin-bottom:8px;}
.tl-body p{font-size:15.5px;color:var(--c-ink-2);}
.tl-meta{display:flex;gap:18px;align-items:center;margin-top:14px;font-size:13px;color:var(--c-ink-3);flex-wrap:wrap;}
.tl-meta b{color:var(--c-brand);font-variant-numeric:tabular-nums;}

/* 图文卡 */
.split-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.media-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.media-card:hover{border-color:rgba(15,92,78,.32);transform:translateY(-2px);box-shadow:var(--sh-2);}
.media-card .thumb{overflow:hidden;aspect-ratio:16/9;background:var(--c-brand-tint);}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.media-card:hover .thumb img{transform:scale(1.04);}
.media-card .body{padding:26px 28px 28px;}
.media-card .badge{margin-bottom:14px;}
.media-card h3{margin-bottom:10px;}
.media-card p{font-size:15px;color:var(--c-ink-2);}
.tick-list{margin-top:16px;display:grid;gap:10px;}
.tick-list li{position:relative;padding-left:22px;font-size:15px;color:var(--c-ink-2);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--c-brand-tint);box-shadow:inset 0 0 0 2px var(--c-brand);
}

/* 帮助条目 */
.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;border-top:1px solid var(--c-line);}
.help-item{
  display:flex;align-items:flex-start;gap:14px;padding:22px 0;border-bottom:1px solid var(--c-line);
}
.help-item .idx{
  font-size:12.5px;font-weight:700;color:var(--c-brand);background:var(--c-brand-tint);
  border-radius:6px;padding:2px 8px;font-variant-numeric:tabular-nums;flex-shrink:0;margin-top:3px;
}
.help-item h3{font-size:16.5px;margin-bottom:4px;}
.help-item p{font-size:14.5px;color:var(--c-ink-3);}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:48px;align-items:start;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5;
  transition:color var(--t);
}
.faq-q:hover{color:var(--c-brand);}
.faq-q .ic{
  flex-shrink:0;width:20px;height:20px;position:relative;border-radius:50%;
  border:1px solid var(--c-line-soft);transition:transform .32s var(--ease),border-color var(--t);
}
.faq-q .ic::before,.faq-q .ic::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .ic::before{width:10px;height:1.5px;}
.faq-q .ic::after{width:1.5px;height:10px;}
.faq-item.open .faq-q .ic{transform:rotate(45deg);border-color:var(--c-brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a p{font-size:15px;color:var(--c-ink-2);line-height:1.8;padding:0 40px 22px 0;}
.faq-item.open .faq-a{max-height:340px;}
.faq-aside{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.faq-aside h3{font-size:18px;margin-bottom:10px;}
.faq-aside p{font-size:14.5px;color:var(--c-ink-3);margin-bottom:18px;}
.faq-aside .row-line{
  display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:12px 0;border-top:1px solid var(--c-line);
}
.faq-aside .row-line span:first-child{color:var(--c-ink-3);}
.faq-aside .row-line span:last-child{color:var(--c-ink);font-weight:600;font-variant-numeric:tabular-nums;}

/* 表单 */
.form-layout{display:grid;grid-template-columns:1fr 1.25fr;gap:56px;align-items:start;}
.form-intro h2{margin-bottom:18px;}
.point-list{display:grid;gap:16px;margin-top:26px;}
.point-list li{display:flex;gap:12px;font-size:15.5px;color:var(--c-ink-2);}
.point-list li b{
  color:var(--c-brand);font-variant-numeric:tabular-nums;font-weight:700;
}
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:32px;
  box-shadow:var(--sh-1);
}
.trust-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px;}
.field label .req{color:var(--c-accent);margin-left:4px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;min-height:46px;padding:11px 14px;font-size:15px;color:var(--c-ink);
  background:#fff;border:1px solid var(--c-line-soft);border-radius:var(--r-btn);
  transition:border-color var(--t),box-shadow var(--t);appearance:none;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%237A7B75' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;cursor:pointer;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(15,92,78,.12);outline:none;
}
.field input::placeholder,.field textarea::placeholder{color:#A9A79F;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-ink-2);line-height:1.6;}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--c-brand);flex-shrink:0;}
.form-note{font-size:12px;color:var(--c-ink-3);margin-top:12px;line-height:1.6;}
.form-card .btn{margin-top:22px;}

/* CTA 条 */
.cta-strip{background:var(--c-brand);color:#fff;border-radius:16px;padding:44px 48px;display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:space-between;}
.cta-strip h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:8px;}
.cta-strip p{color:rgba(255,255,255,.82);font-size:15px;max-width:620px;}

/* 页脚 */
.site-footer{background:var(--c-dark);color:#B9BDB6;margin-top:0;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text em{color:#7FBFB0;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);box-shadow:none;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#B9BDB6;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#B9BDB6;display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14px;color:#B9BDB6;}
.footer-contact li span{color:#7E857F;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:#8F968F;
}
.footer-bottom .to-top{
  margin-left:auto;background:transparent;border:1px solid rgba(255,255,255,.28);
  color:#DDE2DC;border-radius:999px;padding:7px 18px;font-size:13px;cursor:pointer;
  transition:background-color var(--t),border-color var(--t),color var(--t);
}
.footer-bottom .to-top:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

@media screen and (max-width:1023px){
  :root{--sp-section:80px;}
  .nav-links{
    position:fixed;inset:0 0 0 auto;width:min(86vw,340px);background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:92px 24px 32px;
    box-shadow:-16px 0 40px rgba(11,42,37,.18);transform:translateX(100%);
    transition:transform .3s var(--ease);margin:0;z-index:90;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{padding:16px 0;border-bottom:1px solid var(--c-line);font-size:16px;}
  .nav-links a::after{display:none;}
  .nav-toggle{display:block;z-index:100;}
  .nav-mask{position:fixed;inset:0;background:rgba(11,42,37,.6);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;z-index:85;}
  .nav-mask.show{opacity:1;visibility:visible;}
  .hero-cat3 .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-float{left:14px;bottom:-18px;}
  .split-cards{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .form-layout{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-strip{padding:32px 28px;}
}
@media screen and (max-width:639px){
  :root{--sp-section:56px;}
  .container{padding:0 20px;}
  body{font-size:16px;}
  .nav-wrap{min-height:60px;gap:12px;}
  .nav-actions .badge{display:none;}
  .hero-cat3{padding:36px 0 56px;}
  .hero-actions .btn{width:100%;}
  .grid-2{grid-template-columns:1fr;}
  .help-grid{grid-template-columns:1fr;gap:0;}
  .form-card{padding:22px;}
  .timeline{padding-left:32px;}
  .timeline::before{left:15px;}
  .tl-node{left:-32px;width:32px;height:32px;font-size:13px;border-width:2px;}
  .tl-body{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom .to-top{margin-left:0;}
}
@media screen and (min-width:1200px){
  .container{max-width:1200px;}
}
@media screen and (min-width:1440px){
  .container{max-width:1280px;padding:0 32px;}
}