/* roulang page: index */
:root{
  --brand:#18B98A;
  --brand-soft:#E4F7EF;
  --brand-deep:#0E8A66;
  --coral:#FF6A4D;
  --coral-soft:#FFEDE8;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --ink:#16211C;
  --ink-2:#4B5751;
  --ink-3:#7C877F;
  --line:#E6E1D8;
  --grad:linear-gradient(135deg,#3ED0A4 0%,#5FD0AE 42%,#FFA487 100%);
  --grad-soft:linear-gradient(135deg,rgba(62,208,164,.16) 0%,rgba(255,164,135,.16) 100%);
  --radius-xl:30px;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-sm:0 6px 18px rgba(22,33,28,.06);
  --shadow:0 12px 32px rgba(22,33,28,.08);
  --shadow-lg:0 20px 48px rgba(22,33,28,.14);
  --space:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.7;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{
  margin:0 0 .6em;
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.24;
}
h1{font-size:clamp(32px,4.4vw,54px);font-weight:800;}
h2{font-size:clamp(26px,2.8vw,36px);}
h3{font-size:clamp(19px,1.8vw,23px);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--space) 0;}
.section.tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-deep);
  background:var(--brand-soft);
  border-radius:999px;
  padding:7px 16px;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);}
.lead{font-size:17px;color:var(--ink-2);}
.muted{color:var(--ink-3);font-size:14px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#0C1E17;
  box-shadow:0 10px 26px rgba(24,185,138,.28);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 16px 34px rgba(24,185,138,.34);color:#0C1E17;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.7);
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px);background:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:rgba(255,255,255,.85);
  border:1px solid var(--line);
  color:var(--ink-2);
  white-space:nowrap;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:none;}
.badge.up{background:var(--brand-soft);border-color:rgba(24,185,138,.28);color:var(--brand-deep);}
.badge.warn{background:var(--coral-soft);border-color:rgba(255,106,77,.26);color:#C8402A;}
.badge.ink{background:var(--ink);border-color:var(--ink);color:#F3F7F4;}
.badge.ink .dot{background:#5FE0B7;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;
  padding:0 24px;
  pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:100%;max-width:1200px;
  display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 20px;
  border-radius:999px;
  background:rgba(250,248,242,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(22,33,28,.08);
  box-shadow:0 12px 30px rgba(22,33,28,.08);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;letter-spacing:-.01em;
  color:var(--ink);
  flex:none;
}
.brand-mark{
  width:32px;height:32px;border-radius:11px;
  background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#0C1E17;font-size:14px;font-weight:800;
  box-shadow:0 6px 16px rgba(24,185,138,.32);
}
.brand:hover{color:var(--ink);}
.nav-links{
  display:flex;align-items:center;gap:6px;
  margin-left:auto;margin-right:6px;
  flex-wrap:nowrap;
}
.nav-links a{
  display:inline-block;
  padding:9px 13px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-links a:hover{background:rgba(24,185,138,.1);color:var(--brand-deep);}
.nav-links a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.nav-cta{flex:none;}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
  flex:none;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.mobile-drawer{
  position:fixed;inset:0;z-index:80;
  background:rgba(247,245,239,.98);
  backdrop-filter:blur(10px);
  padding:22px 24px 34px;
  display:none;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
}
.mobile-drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
  background:#fff;font-size:20px;line-height:1;cursor:pointer;color:var(--ink);
}
.mobile-drawer a.drawer-link{
  padding:15px 18px;border-radius:16px;background:#fff;border:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--ink);margin-bottom:10px;
}
.mobile-drawer a.drawer-link.active{background:var(--brand-soft);border-color:rgba(24,185,138,.3);color:var(--brand-deep);}
.mobile-drawer .btn{margin-top:8px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:150px 0 72px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-180px;right:-160px;width:720px;height:720px;
  background:radial-gradient(circle at 50% 50%,rgba(62,208,164,.26),rgba(255,164,135,.14) 46%,transparent 70%);
  border-radius:50%;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-220px;left:-180px;width:560px;height:560px;
  background:radial-gradient(circle at 50% 50%,rgba(255,106,77,.14),transparent 68%);
  border-radius:50%;pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero h1{margin-bottom:20px;}
.hero h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17.5px;color:var(--ink-2);max-width:540px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-badges{display:flex;gap:12px;flex-wrap:wrap;}
.hero-visual{position:relative;}
.hero-figure{
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.7);
  aspect-ratio:4/3;
  background:var(--grad-soft);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow);
  padding:14px 18px;
  backdrop-filter:blur(8px);
  animation:floaty 7s ease-in-out infinite;
}
.float-card.one{left:-24px;bottom:36px;}
.float-card.two{right:-14px;top:28px;animation-delay:1.4s;}
.float-card .fc-label{font-size:12.5px;color:var(--ink-3);margin-bottom:4px;}
.float-card .fc-value{font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.float-card .fc-value small{font-size:13px;font-weight:600;color:var(--ink-3);margin-left:3px;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-9px);}}

/* ---------- 指标看板 ---------- */
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.metric-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.metric-value{
  font-size:clamp(34px,3.4vw,44px);
  font-weight:800;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  line-height:1.1;margin-bottom:6px;
}
.metric-value small{font-size:15px;font-weight:600;color:var(--ink-3);margin-left:4px;}
.metric-card .desc{font-size:14px;color:var(--ink-3);margin-bottom:14px;}

/* ---------- 服务矩阵 ---------- */
.matrix{
  display:grid;grid-template-columns:7fr 5fr;gap:24px;
}
.svc-main{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.svc-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.svc-main .cover{aspect-ratio:16/9;overflow:hidden;}
.svc-main .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.svc-main:hover .cover img{transform:scale(1.04);}
.svc-main .body{padding:30px 32px 34px;}
.svc-main .body h3{margin-bottom:12px;}
.svc-main .body p{color:var(--ink-2);font-size:15.5px;margin-bottom:18px;}
.svc-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.svc-small{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.svc-small:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(24,185,138,.35);}
.svc-small h3{font-size:20px;margin:0;}
.svc-small p{font-size:14.5px;color:var(--ink-2);margin:0;}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand-deep);
  margin-top:auto;
}
.arrow-link::after{content:"→";transition:transform .2s ease;}
.arrow-link:hover::after{transform:translateX(4px);}
.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.chip{
  font-size:13px;padding:5px 12px;border-radius:999px;
  background:#F3F1EA;color:var(--ink-2);border:1px solid var(--line);
}

/* ---------- 结果对比 ---------- */
.compare-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-sm);
  padding:34px;
}
.compare-grid{display:grid;grid-template-columns:1fr 64px 1fr;gap:18px;align-items:center;}
.compare-card{
  border-radius:var(--radius-lg);
  padding:26px;
  border:1px solid var(--line);
  background:#FAF9F5;
  height:100%;
}
.compare-card.after{background:linear-gradient(150deg,rgba(62,208,164,.12),rgba(255,164,135,.1));border-color:rgba(24,185,138,.3);}
.compare-card h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.compare-list li{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2);
}
.compare-list li:last-child{border-bottom:0;}
.compare-list b{font-variant-numeric:tabular-nums;color:var(--ink);font-weight:700;}
.compare-arrow{
  width:52px;height:52px;border-radius:50%;
  margin:0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad);
  color:#0C1E17;font-weight:800;font-size:20px;
  box-shadow:0 10px 24px rgba(24,185,138,.3);
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;}
.news-main{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-xl);overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.news-main .cover{aspect-ratio:16/10;overflow:hidden;}
.news-main .cover img{width:100%;height:100%;object-fit:cover;}
.news-main .body{padding:26px 30px 30px;display:flex;flex-direction:column;gap:12px;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);}
.news-main h3{font-size:22px;margin:0;}
.news-main p{font-size:15px;color:var(--ink-2);margin:0;}
.news-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.news-small{
  display:flex;gap:16px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:16px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-small:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.news-small .thumb{
  width:112px;flex:none;border-radius:16px;overflow:hidden;aspect-ratio:1/1;
}
.news-small .thumb img{width:100%;height:100%;object-fit:cover;}
.news-small .txt{display:flex;flex-direction:column;gap:7px;min-width:0;}
.news-small h3{font-size:16.5px;margin:0;line-height:1.4;}
.news-small p{font-size:13.5px;color:var(--ink-3);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-empty{
  grid-column:1 / -1;
  background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--radius-xl);
  padding:56px 28px;text-align:center;
  box-shadow:var(--shadow-sm);
}
.news-empty .em-icon{
  width:56px;height:56px;border-radius:50%;
  margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-deep);font-size:24px;font-weight:800;
}
.news-more{display:flex;justify-content:center;margin-top:32px;}
.cms-list-rest{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px;}
.cms-rest-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:18px 20px;
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.cms-rest-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.cms-rest-card h4{margin:0 0 6px;font-size:16px;line-height:1.45;}
.cms-rest-card .news-meta{font-size:12.5px;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start;}
.faq-left h2{margin-bottom:16px;}
.faq-left .lead{font-size:16px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.faq-item[open]{
  background:linear-gradient(150deg,rgba(62,208,164,.1),rgba(255,164,135,.06));
  border-color:rgba(24,185,138,.32);
  box-shadow:var(--shadow-sm);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 60px 20px 24px;
  font-size:16.5px;font-weight:600;position:relative;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-deep);}
.faq-item summary::after{
  content:"+";
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#F1EFE8;color:var(--ink-2);
  font-size:18px;font-weight:600;line-height:1;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open] summary::after{
  content:"−";
  transform:translateY(-50%) rotate(180deg);
  background:var(--brand);color:#0C1E17;
}
.faq-body{padding:0 24px 22px;font-size:15.5px;color:var(--ink-2);}

/* ---------- 表单 ---------- */
.contact-wrap{
  display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start;
}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:36px;
  box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink);}
.field label .req{color:var(--coral);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#FCFBF7;
  padding:0 16px;
  height:48px;
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:120px;padding:13px 16px;resize:vertical;line-height:1.6;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 4px rgba(24,185,138,.16);
}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);margin:4px 0 20px;}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand);flex:none;}
.form-note{font-size:13px;color:var(--ink-3);margin-top:14px;text-align:center;}
.form-alert{
  display:none;border-radius:var(--radius-sm);
  padding:12px 16px;font-size:14px;font-weight:600;margin-bottom:18px;
}
.form-alert.show{display:block;}
.form-alert.ok{background:var(--brand-soft);color:var(--brand-deep);border:1px solid rgba(24,185,138,.3);}
.form-alert.err{background:var(--coral-soft);color:#C8402A;border:1px solid rgba(255,106,77,.3);}
.trust-card{
  background:var(--ink);
  color:#EDF3EF;
  border-radius:var(--radius-xl);
  padding:34px 30px;
  box-shadow:var(--shadow-lg);
}
.trust-card h3{color:#fff;font-size:20px;margin-bottom:10px;}
.trust-card p{color:rgba(237,243,239,.72);font-size:14.5px;}
.trust-list{margin:22px 0 26px;display:grid;gap:14px;}
.trust-list li{display:flex;gap:12px;font-size:14.5px;color:rgba(237,243,239,.86);}
.trust-list li::before{
  content:"";width:8px;height:8px;border-radius:50%;flex:none;margin-top:8px;
  background:linear-gradient(135deg,#5FE0B7,#FFA487);
}
.trust-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:8px;}
.trust-stat{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:14px 16px;
}
.trust-stat b{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:#fff;letter-spacing:-.02em;}
.trust-stat span{font-size:12.5px;color:rgba(237,243,239,.66);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(237,243,239,.78);
  padding:72px 0 30px;
  margin-top:var(--space);
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(62,208,164,.18),transparent 68%);
  pointer-events:none;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  position:relative;z-index:1;
}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand p{font-size:14.5px;color:rgba(237,243,239,.66);max-width:330px;}
.footer-col h4{
  font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;letter-spacing:.01em;
}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14.5px;color:rgba(237,243,239,.7);transition:color .2s ease;}
.footer-col a:hover{color:#5FE0B7;}
.footer-contact li{font-size:14.5px;color:rgba(237,243,239,.7);margin-bottom:11px;}
.footer-bottom{
  margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(237,243,239,.5);
  position:relative;z-index:1;
}
.footer-bottom a{color:rgba(237,243,239,.6);}
.footer-bottom a:hover{color:#5FE0B7;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--space:80px;}
  .nav-links{gap:2px;}
  .nav-links a{padding:9px 10px;font-size:14px;}
  .hero-grid{gap:40px;}
  .float-card.one{left:-10px;}
  .float-card.two{right:-4px;}
}
@media (max-width:991px){
  :root{--space:68px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .hero{padding:132px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:2;}
  .hero-sub{max-width:100%;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .matrix{grid-template-columns:1fr;}
  .svc-side{grid-template-rows:auto auto;}
  .news-grid{grid-template-columns:1fr;}
  .news-side{grid-template-rows:auto auto;}
  .compare-grid{grid-template-columns:1fr;gap:14px;}
  .compare-arrow{transform:rotate(90deg);}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .contact-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cms-list-rest{grid-template-columns:1fr 1fr;}
  .float-card{padding:12px 15px;}
  .float-card .fc-value{font-size:20px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  :root{--space:56px;--radius-xl:24px;--radius-lg:20px;}
  .container{padding:0 18px;}
  .site-header{padding:0 14px;top:12px;}
  .nav-shell{padding:8px 10px 8px 14px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-badges{gap:8px;}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .metric-card{padding:20px 18px;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;}
  .compare-wrap{padding:20px;}
  .news-small{flex-direction:row;}
  .news-small .thumb{width:92px;}
  .svc-main .body{padding:24px 22px 28px;}
  .svc-small{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cms-list-rest{grid-template-columns:1fr;}
  .float-card.one{left:0;bottom:-14px;}
  .float-card.two{right:0;top:-14px;}
  .news-main .body{padding:22px 20px 26px;}
  .trust-card{padding:26px 22px;}
}
@media (max-width:479px){
  h1{font-size:31px;}
  .hero{padding:120px 0 44px;}
  .hero-sub{font-size:16px;}
  .metrics-grid{grid-template-columns:1fr;}
  .faq-item summary{font-size:15.5px;padding:17px 54px 17px 18px;}
  .faq-body{padding:0 18px 18px;font-size:14.5px;}
  .section-head{margin-bottom:30px;}
  .news-small{gap:12px;}
  .news-small .thumb{width:78px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --brand:#18B98A;
  --brand-deep:#0F7A5B;
  --brand-soft:#E4F7EF;
  --coral:#FF6A4D;
  --coral-soft:#FFEDE9;
  --bg:#F7F5EF;
  --ink:#16211C;
  --ink-2:#33423A;
  --muted:#5F6E66;
  --line:#E6E1D8;
  --white:#FFFFFF;
  --grad:linear-gradient(135deg,#18B98A 0%,#5FD6A6 46%,#FF6A4D 100%);
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-sm:0 8px 24px rgba(22,33,28,.06);
  --shadow:0 12px 32px rgba(22,33,28,.08);
  --shadow-lg:0 20px 48px rgba(22,33,28,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{list-style:none;padding:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:100;padding:0 16px;}
.nav-shell{
  max-width:var(--container);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(22,33,28,.08);
  border-radius:999px;
  box-shadow:0 10px 28px rgba(22,33,28,.08);
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;border-radius:12px;
  background:var(--grad);
  color:#fff;font-size:17px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(24,185,138,.32);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links > a{
  padding:9px 14px;border-radius:999px;font-size:14.5px;color:var(--muted);
  transition:background .2s ease,color .2s ease,transform .2s ease;white-space:nowrap;
}
.nav-links > a:hover{color:var(--brand-deep);background:var(--brand-soft);}
.nav-links > a.active{color:var(--brand-deep);background:rgba(24,185,138,.14);font-weight:600;}
.nav-drawer-cta{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);
  padding:13px 26px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:999px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(24,185,138,.28);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(24,185,138,.34);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(24,185,138,.28);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px);}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
.nav-cta{flex:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:999px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;padding:0;flex:none;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:background .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .25s ease,top .25s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.nav-open .nav-toggle{position:fixed;top:26px;right:24px;z-index:140;box-shadow:var(--shadow);}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg);}
body.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg);}

/* ---------- 文章头部 ---------- */
.article-hero{position:relative;overflow:hidden;padding:52px 0 10px;}
.article-hero::before{
  content:"";position:absolute;left:-8%;right:-8%;top:-30%;height:560px;
  background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  opacity:.13;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.95),transparent 78%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.95),transparent 78%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:26px;}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb span.sep{color:#B9C2BB;}
.breadcrumb .current{color:var(--ink);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom;max-width:min(560px,80vw);}
.article-head{max-width:900px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  background:var(--brand-soft);color:var(--brand-deep);
}
.tag-coral{background:var(--coral-soft);color:#C1391F;}
.article-head h1{
  margin-top:18px;
  font-size:clamp(30px,4vw,46px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:22px;
}
.meta-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.meta-item .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:none;}

/* ---------- 文章主体 ---------- */
.article-main{padding:26px 0 0;}
.article-cover{
  max-width:1000px;margin:0 auto 44px;
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid rgba(22,33,28,.06);
  background:#fff;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-body{
  max-width:800px;margin:0 auto;
  font-size:17px;line-height:1.85;color:var(--ink-2);
  letter-spacing:.01em;
}
.article-body > * + *{margin-top:20px;}
.article-body h2{
  position:relative;
  margin-top:46px;
  padding-left:18px;
  font-size:clamp(21px,2.4vw,26px);
  line-height:1.4;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:6px;height:.95em;border-radius:999px;background:var(--grad);
}
.article-body h3{
  margin-top:32px;font-size:20px;line-height:1.5;font-weight:700;color:var(--ink);letter-spacing:-.01em;
}
.article-body h4{margin-top:26px;font-size:17px;font-weight:700;color:var(--ink);}
.article-body p{color:var(--ink-2);}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color .2s ease;}
.article-body a:hover{color:var(--coral);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body ul,.article-body ol{display:grid;gap:10px;}
.article-body ul > li{position:relative;padding-left:26px;}
.article-body ul > li::before{
  content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 4px rgba(24,185,138,.14);
}
.article-body ol{counter-reset:item;}
.article-body ol > li{position:relative;padding-left:34px;counter-increment:item;}
.article-body ol > li::before{
  content:counter(item);
  position:absolute;left:0;top:.15em;
  width:22px;height:22px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:30px 0;padding:20px 24px;
  border-left:4px solid var(--brand);
  border-radius:0 18px 18px 0;
  background:linear-gradient(135deg,rgba(24,185,138,.09),rgba(255,106,77,.06));
  color:var(--ink);
  font-size:16.5px;
}
.article-body blockquote p{color:var(--ink);}
.article-body figure{margin:30px 0;}
.article-body figure img{border-radius:20px;box-shadow:var(--shadow-sm);}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center;}
.article-body img{border-radius:20px;}
.article-body hr{border:none;height:1px;background:var(--line);margin:34px 0;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:#fff;font-size:15px;
}
.article-body th{background:var(--brand-soft);color:var(--ink);font-weight:700;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
.article-body tr:last-child td{border-bottom:none;}
.article-body pre{
  background:var(--ink);color:#E7F3EC;border-radius:18px;
  padding:20px 22px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{
  background:rgba(24,185,138,.12);color:var(--brand-deep);
  padding:2px 7px;border-radius:8px;font-size:.92em;
}
.article-body pre code{background:none;color:inherit;padding:0;}

/* 空态 */
.empty-state{
  max-width:800px;margin:0 auto;
  background:#fff;border:1px dashed var(--line);
  border-radius:var(--radius-lg);
  padding:56px 28px;text-align:center;
  box-shadow:var(--shadow-sm);
}
.empty-icon{
  width:64px;height:64px;border-radius:22px;margin:0 auto 18px;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--ink);}
.empty-state p{margin-top:10px;color:var(--muted);font-size:15px;}
.empty-state .btn{margin-top:22px;}

/* 文章标签与返回 */
.article-foot{max-width:800px;margin:44px auto 0;}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;}
.article-tags .tag{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:500;}
.article-tags .tag:hover{border-color:var(--brand);color:var(--brand-deep);}
.article-back{
  margin-top:22px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;
}

/* ---------- 相关推荐 ---------- */
.section{padding:78px 0;}
.section-head{max-width:640px;margin-bottom:36px;}
.section-head h2{font-size:clamp(23px,2.8vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.3;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:#fff;border:1px solid rgba(22,33,28,.07);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(24,185,138,.35);}
.post-card .thumb{overflow:hidden;}
.post-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-card .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.post-card h3{font-size:18px;line-height:1.5;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
.post-card p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.post-card .more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;}
.post-card:hover .more{gap:10px;}
.post-card .more span{transition:transform .25s ease;}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 90px;}
.cta-card{
  border-radius:36px;
  background:linear-gradient(135deg,#16211C 0%,#1D332A 55%,#254436 100%);
  color:#E7F3EC;
  padding:56px 48px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.cta-card::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(24,185,138,.45),transparent 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(23px,2.8vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.32;color:#fff;}
.cta-copy p{margin-top:14px;color:#A7BBAF;font-size:15.5px;line-height:1.8;max-width:420px;}
.cta-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.stat-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:#D6E7DC;font-variant-numeric:tabular-nums;
}
.stat-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);}
.form-card{
  position:relative;z-index:2;
  background:rgba(255,255,255,.96);
  border-radius:26px;padding:28px;
  box-shadow:0 18px 48px rgba(0,0,0,.24);
  color:var(--ink);
}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px;}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2);}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14.5px;color:var(--ink);
  background:#FDFCF9;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;height:48px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:88px;padding:12px 14px;resize:vertical;line-height:1.6;}
.field input::placeholder,.field textarea::placeholder{color:#9BA8A0;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(24,185,138,.16);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.check-line{display:flex;align-items:flex-start;gap:9px;font-size:12.8px;color:var(--muted);line-height:1.6;margin:4px 0 16px;}
.check-line input{width:16px;height:16px;margin-top:2px;accent-color:var(--brand);flex:none;}
.form-card .btn{width:100%;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--muted);text-align:center;}
.form-alert{
  display:none;margin-bottom:14px;padding:11px 14px;border-radius:var(--radius-sm);
  font-size:13.5px;line-height:1.6;
}
.form-alert.success{display:block;background:var(--brand-soft);color:var(--brand-deep);border:1px solid rgba(24,185,138,.35);}
.form-alert.error{display:block;background:var(--coral-soft);color:#B23A22;border:1px solid rgba(255,106,77,.35);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:#A7BBAF;
  border-radius:40px 40px 0 0;
  padding:66px 0 26px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:#8FA398;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;font-size:14.5px;}
.footer-col a{color:#8FA398;transition:color .2s ease;}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{color:#8FA398;}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13.5px;color:#7C8F85;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links{gap:0;}
  .nav-links > a{padding:9px 11px;font-size:14px;}
  .cta-card{padding:44px 34px;gap:32px;}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-shell{padding:10px 10px 10px 18px;}
  .nav-links{
    position:fixed;inset:0;
    background:rgba(247,245,239,.98);
    backdrop-filter:blur(6px);
    flex-direction:column;justify-content:center;align-items:center;
    gap:6px;padding:100px 24px 60px;
    transform:translateX(100%);
    transition:transform .32s cubic-bezier(.4,0,.2,1);
    z-index:130;
    margin-left:0;
  }
  .nav-links > a{
    width:100%;max-width:340px;text-align:center;
    font-size:17px;padding:14px 20px;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-drawer-cta{
    display:inline-flex !important;
    margin-top:18px;
    background:var(--grad) !important;
    color:#fff !important;
    font-weight:600;
    box-shadow:0 12px 26px rgba(24,185,138,.3);
  }
  .nav-drawer-cta:hover{background:var(--grad) !important;color:#fff !important;}
  body.nav-open{overflow:hidden;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr;padding:40px 28px;}
  .cta-copy p{max-width:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:60px 0;}
}
@media (max-width:767px){
  .article-hero{padding:36px 0 6px;}
  .article-head h1{font-size:29px;}
  .article-main{padding-top:18px;}
  .article-cover{margin-bottom:32px;border-radius:22px;}
  .article-body{font-size:16px;line-height:1.82;}
  .article-body h2{margin-top:36px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-section{padding-bottom:64px;}
  .field-row{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .site-footer{border-radius:28px 28px 0 0;padding:48px 0 22px;}
  .breadcrumb .current{max-width:72vw;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .site-header{top:10px;padding:0 12px;}
  .nav-shell{padding:8px 8px 8px 14px;}
  .brand{font-size:15.5px;}
  .brand-mark{width:30px;height:30px;border-radius:10px;font-size:15px;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:15.5px;}
  .meta-item{font-size:12.5px;padding:6px 12px;}
  .cta-card{padding:32px 20px;border-radius:26px;}
  .form-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .article-back .btn{width:100%;}
}

/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box}
:root{
  --green:#18B98A;
  --green-deep:#0F8E69;
  --green-soft:rgba(24,185,138,.12);
  --coral:#FF6A4D;
  --bg:#F7F5EF;
  --bg-alt:#FBFAF5;
  --ink:#16211C;
  --ink-soft:#4A554F;
  --muted:#7A857F;
  --line:#E6E1D8;
  --card:#FFFFFF;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-sm:0 8px 20px rgba(22,33,28,.06);
  --shadow:0 12px 32px rgba(22,33,28,.08);
  --shadow-lg:0 20px 48px rgba(22,33,28,.14);
  --grad:linear-gradient(135deg,#18B98A 0%,#FF6A4D 100%);
  --grad-soft:linear-gradient(135deg,rgba(24,185,138,.16),rgba(255,106,77,.12));
  --max:1200px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.7;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--grad);color:#0C231B;box-shadow:0 10px 24px rgba(24,185,138,.26)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 16px 32px rgba(24,185,138,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(24,185,138,.24)}
.btn-ghost{background:transparent;border-color:rgba(22,33,28,.16);color:var(--ink)}
.btn-ghost:hover{background:rgba(24,185,138,.09);border-color:rgba(24,185,138,.45);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:12px}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:13.5px;font-weight:700;
  color:var(--green-deep);background:var(--grad-soft);border:1px solid rgba(24,185,138,.24);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(22,33,28,.05);color:var(--ink-soft);
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--green);flex:0 0 auto}
.badge.up{color:#0B6B4E;background:rgba(24,185,138,.14)}
.badge.warn{color:#B23B22;background:rgba(255,106,77,.14)}
.badge.warn .dot{background:var(--coral)}
.tag{
  display:inline-block;font-size:12.5px;color:var(--ink-soft);
  background:#F3F1E9;border:1px solid var(--line);border-radius:999px;padding:4px 10px;
}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 24px}
.nav-shell{
  max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:16px;
  padding:10px 14px;border-radius:999px;
  background:rgba(247,245,239,.84);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(22,33,28,.08);
  box-shadow:0 12px 32px rgba(22,33,28,.08);
}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:800;letter-spacing:-.02em;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad);color:#0B2119;font-size:16px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 14px rgba(24,185,138,.3);
}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-links a{
  padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--ink-soft);
  transition:background .18s ease,color .18s ease;
}
.nav-links a:hover{background:rgba(24,185,138,.1);color:var(--ink)}
.nav-links a.active{background:rgba(24,185,138,.18);color:var(--green-deep);font-weight:700}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-toggle span{display:block;position:relative;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:152px 0 84px}
.hero-blob{
  position:absolute;top:-180px;right:-140px;width:660px;height:660px;border-radius:50%;
  background:radial-gradient(circle at 32% 32%,rgba(24,185,138,.24),rgba(255,106,77,.15) 55%,transparent 72%);
  filter:blur(10px);pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-bottom:22px}
.crumbs a{transition:color .18s ease}
.crumbs a:hover{color:var(--green-deep);text-decoration:underline}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(32px,4.4vw,50px);font-weight:800;margin-top:18px}
.hero-sub{margin-top:20px;max-width:560px;font-size:17px;color:var(--ink-soft)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-figure{margin:0}
.hero-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-xl);border:1px solid rgba(22,33,28,.08);box-shadow:var(--shadow-lg);
}
.hero-figure figcaption{margin-top:12px;font-size:13px;color:var(--muted)}

/* ---------- 指标 ---------- */
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:54px}
.metric-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(24,185,138,.35)}
.metric-label{display:block;font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.metric-num{display:block;margin:8px 0 10px;font-size:38px;font-weight:800;line-height:1.1;letter-spacing:-.03em}
.metric-num span{font-size:14px;font-weight:600;color:var(--muted);margin-left:5px;letter-spacing:0}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;flex-wrap:wrap;margin-bottom:44px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--green-deep);margin-bottom:12px}
.section-head h2{font-size:clamp(26px,3vw,34px);font-weight:800}
.section-note{max-width:430px;font-size:15px;color:var(--ink-soft)}

/* ---------- 条目目录 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.entry{
  display:grid;grid-template-columns:auto 1fr 92px;gap:16px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(24,185,138,.35)}
.entry-no{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:var(--green-deep);
  background:var(--grad-soft);border:1px solid rgba(24,185,138,.26);
}
.entry-body h3{font-size:19px;font-weight:700;margin-bottom:8px}
.entry-body p{font-size:14.5px;color:var(--ink-soft);line-height:1.72}
.entry-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.entry-thumb{
  width:92px;height:76px;object-fit:cover;border-radius:16px;
  border:1px solid var(--line);background:#EFEDE4;
}

/* ---------- 组合参考 ---------- */
.bundle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bundle-card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:28px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.bundle-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.bundle-card.featured{background:linear-gradient(165deg,#FFFFFF 30%,#F1FBF7 100%);border-color:rgba(24,185,138,.42);box-shadow:var(--shadow)}
.bundle-card h3{font-size:21px;font-weight:700}
.bundle-card > p{font-size:14.5px;color:var(--ink-soft);line-height:1.72}
.bundle-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-soft);
}
.bundle-list li:last-child{border-bottom:none}
.bundle-list b{font-weight:700;color:var(--ink);white-space:nowrap}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.faq-intro h2{font-size:clamp(26px,3vw,34px);font-weight:800;margin-bottom:16px}
.faq-intro p{font-size:15px;color:var(--ink-soft);max-width:360px}
.faq-item{
  border:1px solid var(--line);border-radius:18px;background:var(--card);
  padding:18px 22px;margin-bottom:12px;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(24,185,138,.4)}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;font-weight:400;color:var(--green-deep);
  transition:transform .22s ease;flex:0 0 auto;
}
.faq-item[open]{background:linear-gradient(165deg,rgba(24,185,138,.1),#FFFFFF 70%);border-color:rgba(24,185,138,.38);box-shadow:var(--shadow-sm)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin-top:12px;font-size:14.8px;color:var(--ink-soft);line-height:1.78}

/* ---------- 表单 / CTA ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:32px;box-shadow:var(--shadow);
}
.form-card h2{font-size:26px;font-weight:800;margin-bottom:10px}
.form-card .form-lead{font-size:14.8px;color:var(--ink-soft);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-soft);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#FCFBF7;color:var(--ink);font-size:15px;font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field input,.field select{height:48px;padding:0 16px}
.field textarea{min-height:118px;padding:14px 16px;resize:vertical;line-height:1.65}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);background:#fff;box-shadow:0 0 0 4px rgba(24,185,138,.16);
}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.6}
.checkbox input{width:18px;height:18px;margin-top:2px;flex:0 0 auto;accent-color:var(--green)}
.alert{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:600}
.alert.is-error{display:block;background:rgba(255,106,77,.12);border:1px solid rgba(255,106,77,.34);color:#B23B22}
.alert.is-success{display:block;background:rgba(24,185,138,.13);border:1px solid rgba(24,185,138,.34);color:#0B6B4E}
.form-submit{margin-top:6px;width:100%}

.side-card{
  background:linear-gradient(170deg,#FFFFFF 20%,#F1FBF7 100%);
  border:1px solid rgba(24,185,138,.28);border-radius:var(--radius-xl);
  padding:32px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:20px;font-weight:800;margin-bottom:18px}
.side-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;color:var(--ink-soft);padding:9px 0;
}
.side-list li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--green);
  margin-top:9px;flex:0 0 auto;
}
.side-metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px;padding-top:22px;border-top:1px dashed rgba(22,33,28,.14)}
.side-metrics strong{display:block;font-size:22px;font-weight:800;letter-spacing:-.02em}
.side-metrics span{display:block;font-size:13px;color:var(--muted);margin-top:2px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;overflow:hidden;background:#16211C;color:#D9E2DC;padding:72px 0 28px}
.site-footer::before{
  content:"";position:absolute;top:-140px;right:-90px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(24,185,138,.26),transparent 70%);pointer-events:none;
}
.site-footer .container{position:relative;z-index:1}
.site-footer .brand{color:#fff}
.site-footer .brand-mark{background:var(--grad);color:#0B2119;box-shadow:none}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin-top:16px;max-width:330px;font-size:14.5px;color:#A8B4AD;line-height:1.75}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:#A8B4AD;transition:color .18s ease}
.footer-col a:hover{color:var(--green)}
.footer-contact li{font-size:14.5px;color:#A8B4AD}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8C9992;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links{gap:2px}
  .nav-links a{padding:9px 12px;font-size:14px}
  .hero-grid{gap:36px}
}
@media (max-width:991px){
  .site-header{padding:0 18px}
  .nav-shell{gap:12px;padding:10px 12px}
  .nav-links{
    position:fixed;top:88px;left:18px;right:18px;margin:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#FBF9F4;border:1px solid var(--line);border-radius:24px;
    padding:12px;box-shadow:var(--shadow-lg);display:none;max-height:calc(100vh - 120px);overflow:auto;
  }
  .nav-shell.open .nav-links{display:flex}
  .nav-links a{padding:14px 16px;border-radius:16px;font-size:15px}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .page-hero{padding:136px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-figure img{aspect-ratio:16/9}
  .metric-row{grid-template-columns:repeat(2,1fr);margin-top:40px}
  .entry-grid{grid-template-columns:1fr}
  .bundle-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .section-head{gap:20px}
}
@media (max-width:560px){
  body{font-size:16px}
  .container{padding:0 18px}
  .site-header{top:12px;padding:0 12px}
  .nav-links{top:80px;left:12px;right:12px}
  .page-hero{padding:120px 0 52px}
  .hero-actions .btn{width:100%}
  .hero-figure img{border-radius:22px}
  .metric-row{grid-template-columns:repeat(2,1fr);gap:12px}
  .metric-card{padding:16px;border-radius:20px}
  .metric-num{font-size:28px}
  .entry{grid-template-columns:auto 1fr;padding:18px}
  .entry-thumb{grid-column:1 / -1;width:100%;height:150px;margin-top:6px}
  .form-card,.side-card{padding:22px}
  .form-row{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section{padding:56px 0}
  .side-metrics{grid-template-columns:1fr 1fr}
}

/* roulang page: category2 */
:root{
  --brand:#18B98A;
  --brand-deep:#0F7C5E;
  --coral:#FF6A4D;
  --coral-deep:#C63C22;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --ink:#16211C;
  --ink-soft:#3C4A43;
  --ink-mute:#6E7B73;
  --line:#E6E1D8;
  --line-soft:rgba(22,33,28,.08);
  --grad:linear-gradient(135deg,#18B98A 0%,#4FC98B 42%,#FF6A4D 100%);
  --grad-soft:linear-gradient(135deg,rgba(24,185,138,.14),rgba(255,106,77,.14));
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-btn:14px;
  --shadow:0 12px 32px rgba(22,33,28,.08);
  --shadow-hover:0 20px 48px rgba(22,33,28,.14);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.7;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
dl,dd,dt{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.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:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad);}
h2.section-title{font-size:clamp(26px,3.2vw,34px);margin-bottom:16px;}
.section-sub{color:var(--ink-mute);font-size:16.5px;max-width:680px;}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:100;display:flex;justify-content:center;padding:0 24px;}
.nav-shell{
  width:100%;max-width:var(--container);
  display:flex;align-items:center;gap:14px;
  padding:10px 12px 10px 18px;
  border-radius:999px;
  background:rgba(247,245,239,.86);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid var(--line-soft);
  box-shadow:0 12px 32px rgba(22,33,28,.08);
}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink);flex:0 0 auto;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:32px;height:32px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:16px;font-weight:800;
  box-shadow:0 6px 16px rgba(24,185,138,.30);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  display:inline-block;padding:9px 13px;border-radius:999px;
  font-size:14.5px;color:var(--ink-soft);
  transition:background .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.nav-links a:hover{background:rgba(24,185,138,.12);color:var(--brand-deep);}
.nav-links a.active{background:rgba(24,185,138,.16);color:var(--brand-deep);font-weight:600;}
.nav-cta{flex:0 0 auto;margin-left:8px;}
.nav-toggle{
  display:none;position:relative;z-index:3;
  width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line-soft);background:rgba(255,255,255,.7);
  align-items:center;justify-content:center;cursor:pointer;margin-left:auto;
  transition:background .2s var(--ease);
}
.nav-toggle:hover{background:#fff;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;transition:background .22s var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .22s var(--ease),top .22s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg);}
body.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg);}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),background .2s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(24,185,138,.26);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 16px 34px rgba(255,106,77,.24);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(22,33,28,.16);color:var(--ink);}
.btn-ghost:hover{background:rgba(22,33,28,.05);transform:translateY(-1px);color:var(--ink);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;pointer-events:none;}

.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:rgba(24,185,138,.12);color:var(--brand-deep);
  border:1px solid rgba(24,185,138,.22);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto;}
.badge-coral{background:rgba(255,106,77,.12);color:var(--coral-deep);border-color:rgba(255,106,77,.24);}
.badge-ink{background:var(--ink);color:#F2F7F4;border-color:transparent;}
.badge-neutral{background:rgba(22,33,28,.06);color:var(--ink-soft);border-color:rgba(22,33,28,.1);}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-mute);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:var(--ink-mute);}
.breadcrumb a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- 分类页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:148px 0 76px;}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.18;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(760px 420px at 8% 0%,rgba(24,185,138,.20),transparent 70%),
    radial-gradient(620px 380px at 92% 12%,rgba(255,106,77,.18),transparent 72%),
    linear-gradient(180deg,rgba(247,245,239,.42),rgba(247,245,239,.96) 78%);
}
.page-hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:56px;align-items:center;}
.hero-copy h1{font-size:clamp(32px,4.2vw,50px);margin-bottom:20px;}
.hero-copy h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:17px;color:var(--ink-soft);max-width:600px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}

.hero-figure{position:relative;}
.hero-figure .frame{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--line-soft);box-shadow:var(--shadow);
  background:#fff;
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-figure .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(22,33,28,0) 45%,rgba(22,33,28,.55) 100%);
}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;border-radius:18px;
  background:#fff;border:1px solid var(--line-soft);
  box-shadow:var(--shadow);max-width:250px;
}
.hero-float .num{font-size:28px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;color:var(--brand-deep);line-height:1;}
.hero-float .lbl{font-size:13px;color:var(--ink-mute);line-height:1.45;}

/* ---------- 指标条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:52px;}
.metric-card{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-md);
  padding:22px 22px 20px;box-shadow:0 6px 18px rgba(22,33,28,.05);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.metric-card .num{font-size:36px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.1;}
.metric-card .num span{font-size:15px;font-weight:600;color:var(--ink-mute);margin-left:4px;}
.metric-card .cap{font-size:13.5px;color:var(--ink-mute);margin-top:8px;}

/* ---------- 对比矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start;}
.plan-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--radius-xl);padding:30px 26px 26px;
  box-shadow:0 8px 24px rgba(22,33,28,.06);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.plan-card.featured{
  border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 20px 46px rgba(24,185,138,.16);
  transform:translateY(-10px);
}
.plan-card.featured:hover{transform:translateY(-14px);}
.plan-flag{
  position:absolute;top:-14px;left:26px;
  padding:5px 14px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(24,185,138,.28);
}
.plan-card h3{font-size:21px;margin:14px 0 10px;}
.plan-desc{font-size:14.5px;color:var(--ink-mute);min-height:66px;}
.plan-specs{margin:22px 0 20px;display:grid;gap:0;}
.plan-specs > div{
  display:flex;justify-content:space-between;align-items:baseline;gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--line);
}
.plan-specs > div:first-child{border-top:1px dashed var(--line);}
.plan-specs dt{font-size:13.5px;color:var(--ink-mute);flex:0 0 auto;}
.plan-specs dd{font-size:14.5px;font-weight:600;text-align:right;color:var(--ink);font-variant-numeric:tabular-nums;}
.plan-specs dd.hl{color:var(--brand-deep);}
.plan-fit{margin-bottom:24px;}
.plan-fit h4{font-size:13.5px;letter-spacing:.06em;color:var(--ink-mute);font-weight:600;margin-bottom:10px;}
.plan-fit li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-soft);margin-bottom:8px;
}
.plan-fit li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:rgba(24,185,138,.35);
}
.plan-card.featured .plan-fit li::before{background:var(--grad);}
.plan-card .btn{margin-top:auto;}

.matrix-note{
  margin-top:32px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  padding:22px 26px;border-radius:var(--radius-lg);
  background:var(--grad-soft);border:1px solid rgba(24,185,138,.18);
}
.matrix-note p{font-size:14.5px;color:var(--ink-soft);max-width:720px;}
.matrix-note strong{color:var(--ink);}

/* ---------- 场景选择 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.scene-card{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:0 8px 22px rgba(22,33,28,.06);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.scene-media{position:relative;overflow:hidden;}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease);}
.scene-card:hover .scene-media img{transform:scale(1.04);}
.scene-media .tag{
  position:absolute;top:14px;left:14px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.92);color:var(--brand-deep);border:1px solid rgba(24,185,138,.24);
}
.scene-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:19px;}
.scene-body p{font-size:14.5px;color:var(--ink-mute);}
.scene-body .meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:14px;}

/* ---------- 清单双卡 ---------- */
.check-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:24px;}
.panel{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius-xl);
  padding:32px 30px;box-shadow:0 8px 22px rgba(22,33,28,.06);
}
.panel h3{font-size:20px;margin-bottom:8px;}
.panel > p{font-size:14.5px;color:var(--ink-mute);margin-bottom:20px;}
.check-list{display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:16px;background:rgba(22,33,28,.03);
  font-size:14.5px;color:var(--ink-soft);
}
.check-list .ico{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  display:grid;place-items:center;font-size:12px;font-weight:800;color:#fff;
  background:var(--grad);
}
.check-list strong{color:var(--ink);font-weight:600;}
.rhythm{display:grid;gap:14px;}
.rhythm li{
  display:flex;gap:14px;align-items:flex-start;
  padding-bottom:14px;border-bottom:1px dashed var(--line);
}
.rhythm li:last-child{border-bottom:0;padding-bottom:0;}
.rhythm .step{
  flex:0 0 auto;width:34px;height:34px;border-radius:12px;
  display:grid;place-items:center;font-size:14px;font-weight:800;
  color:var(--brand-deep);background:rgba(24,185,138,.14);font-variant-numeric:tabular-nums;
}
.rhythm h4{font-size:15px;margin-bottom:4px;}
.rhythm p{font-size:14px;color:var(--ink-mute);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:48px;align-items:start;}
.faq-aside{position:sticky;top:120px;}
.faq-aside h2{font-size:clamp(26px,3vw,32px);margin-bottom:14px;}
.faq-aside p{color:var(--ink-mute);font-size:15.5px;margin-bottom:22px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:18px;
  overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq-item.open{box-shadow:0 14px 34px rgba(22,33,28,.1);border-color:rgba(24,185,138,.28);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);letter-spacing:-.01em;
}
.faq-q:hover{color:var(--brand-deep);}
.faq-ic{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;font-size:16px;font-weight:700;
  background:rgba(24,185,138,.12);color:var(--brand-deep);
  transition:transform .28s var(--ease),background .28s var(--ease);
}
.faq-item.open .faq-ic{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a-inner{padding:0 22px 22px;font-size:15px;color:var(--ink-soft);}
.faq-item.open .faq-a{background:linear-gradient(180deg,rgba(24,185,138,.06),rgba(24,185,138,0));}

/* ---------- CTA / 表单 ---------- */
.cta-section{padding:88px 0;}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:36px;border:1px solid var(--line-soft);
  background:var(--surface);box-shadow:0 18px 50px rgba(22,33,28,.1);
  padding:52px 48px;
}
.cta-card::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(24,185,138,.24),rgba(24,185,138,0) 68%);
}
.cta-card::after{
  content:"";position:absolute;left:-100px;bottom:-160px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,77,.20),rgba(255,106,77,0) 70%);
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:48px;}
.form-panel h2{font-size:clamp(24px,2.8vw,30px);margin-bottom:12px;}
.form-panel .lead{font-size:15px;color:var(--ink-mute);margin-bottom:26px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-soft);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;min-height:48px;
  border-radius:var(--radius-btn);border:1px solid rgba(22,33,28,.14);
  background:#fff;color:var(--ink);font-size:15px;font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.6;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(24,185,138,.16);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-mute);margin:6px 0 22px;}
.check-line input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand);flex:0 0 auto;}
.form-note{font-size:13px;color:var(--ink-mute);margin-top:14px;}
.alert{display:none;padding:12px 16px;border-radius:12px;font-size:14px;margin-bottom:16px;}
.alert-success{display:block;background:rgba(24,185,138,.12);color:var(--brand-deep);border:1px solid rgba(24,185,138,.28);}
.alert-error{display:block;background:rgba(255,106,77,.12);color:var(--coral-deep);border:1px solid rgba(255,106,77,.3);}

.trust-panel{display:flex;flex-direction:column;gap:16px;}
.trust-card{
  padding:22px;border-radius:var(--radius-md);
  background:linear-gradient(160deg,rgba(24,185,138,.08),rgba(255,106,77,.07));
  border:1px solid rgba(22,33,28,.07);
}
.trust-card .num{font-size:34px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.1;}
.trust-card .num span{font-size:14px;font-weight:600;color:var(--ink-mute);margin-left:4px;}
.trust-card p{font-size:13.5px;color:var(--ink-mute);margin-top:6px;}
.trust-list{display:grid;gap:10px;font-size:14px;color:var(--ink-soft);}
.trust-list li{display:flex;gap:9px;align-items:flex-start;}
.trust-list li::before{content:"✓";color:var(--brand-deep);font-weight:800;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#D7E2DB;padding:72px 0 30px;margin-top:20px;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;right:-160px;top:-180px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(24,185,138,.28),rgba(24,185,138,0) 68%);
}
.site-footer .container{position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand p{font-size:14px;color:rgba(215,226,219,.76);max-width:340px;line-height:1.75;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;letter-spacing:.01em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:rgba(215,226,219,.78);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{font-size:14px;color:rgba(215,226,219,.78);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:24px;font-size:13px;color:rgba(215,226,219,.6);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links a{padding:9px 11px;font-size:14px;}
  .hero-grid{gap:36px;}
  .footer-grid{gap:28px;}
}
@media (max-width:1080px){
  .nav-links{gap:0;}
  .nav-links a{font-size:13.5px;padding:8px 9px;}
  .nav-cta{padding:9px 14px;font-size:13.5px;}
}
@media (max-width:960px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-shell{padding:8px 10px 8px 16px;}
  body.nav-open{overflow:hidden;}
  body.nav-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    position:fixed;inset:0;z-index:1;
    padding:104px 24px 40px;
    background:rgba(247,245,239,.98);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    overflow-y:auto;
  }
  body.nav-open .nav-links a{
    font-size:17px;padding:15px 18px;border-radius:16px;background:rgba(255,255,255,.7);
    border:1px solid var(--line-soft);
  }
  body.nav-open .nav-links a.active{background:rgba(24,185,138,.16);border-color:rgba(24,185,138,.3);}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-figure{order:2;}
  .hero-float{left:auto;right:14px;bottom:-18px;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .matrix{grid-template-columns:1fr;gap:20px;}
  .plan-card.featured{transform:none;}
  .plan-card.featured:hover{transform:translateY(-4px);}
  .scene-grid{grid-template-columns:1fr 1fr;}
  .check-grid{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
  .faq-aside{position:static;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:58px 0;}
  .container{padding:0 18px;}
  .page-hero{padding:122px 0 54px;}
  .hero-copy h1{font-size:clamp(30px,7.6vw,36px);}
  .hero-actions .btn{width:100%;}
  .metrics{grid-template-columns:1fr 1fr;gap:14px;margin-top:36px;}
  .metric-card{padding:18px 16px;}
  .metric-card .num{font-size:30px;}
  .scene-grid{grid-template-columns:1fr;}
  .plan-card{padding:26px 20px 22px;}
  .panel{padding:26px 20px;}
  .cta-card{padding:32px 22px;border-radius:28px;}
  .field-row{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .btn{width:100%;}
  .matrix-note{padding:20px;flex-direction:column;align-items:flex-start;}
  .matrix-note .btn{width:auto;}
}
@media (max-width:479px){
  .brand{font-size:16px;}
  .brand-mark{width:29px;height:29px;font-size:15px;border-radius:10px;}
  .metrics{grid-template-columns:1fr;}
  .hero-badges .badge{font-size:12.5px;}
  .faq-q{font-size:15px;padding:17px 18px;}
  .faq-a-inner{padding:0 18px 18px;font-size:14.5px;}
  .plan-card h3{font-size:19px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
  --brand:#18B98A;
  --brand-deep:#0F7A5C;
  --brand-soft:#E3F7F0;
  --coral:#FF6A4D;
  --coral-soft:#FFEDE9;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --ink:#16211C;
  --ink-2:#3E4A44;
  --muted:#6B7873;
  --line:#E6E1D8;
  --grad:linear-gradient(135deg,#18B98A 0%,#5BC9A2 52%,#FF8A6F 100%);
  --grad-soft:linear-gradient(135deg,rgba(24,185,138,.14) 0%,rgba(255,106,77,.12) 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-sm:0 12px 32px rgba(22,33,28,.08);
  --shadow-lg:0 20px 48px rgba(22,33,28,.14);
  --space:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.7;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
  padding-top:96px;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 24px;pointer-events:none}
.nav-shell{
  pointer-events:auto;
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  background:rgba(255,253,248,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(22,33,28,.08);
  border-radius:999px;
  box-shadow:0 12px 32px rgba(22,33,28,.08);
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--grad);color:#0B2B22;
  font-size:16px;font-weight:800;
  box-shadow:0 6px 16px rgba(24,185,138,.32);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  display:inline-block;
  padding:8px 13px;border-radius:999px;
  font-size:14.5px;color:var(--ink-2);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-links a:hover{background:rgba(24,185,138,.1);color:var(--brand-deep);transform:translateY(-1px)}
.nav-links a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.nav-cta{margin-left:6px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;position:relative;align-items:center;justify-content:center;flex:0 0 auto}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s ease}
.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;
  padding:14px 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;letter-spacing:0;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
  border:1px solid transparent;
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:12px}
.btn-primary{background:var(--grad);color:#0B2B22;box-shadow:0 10px 24px rgba(24,185,138,.28)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 16px 34px rgba(24,185,138,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(22,33,28,.16);color:var(--ink)}
.btn-ghost:hover{background:rgba(255,255,255,.9);border-color:rgba(24,185,138,.5);color:var(--brand-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}

/* ---------- 通用标题 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
.section{padding:var(--space) 0}
.section-head{max-width:660px;margin-bottom:40px}
.section-head h2{font-size:32px;margin:16px 0 12px}
.section-head p{color:var(--muted);font-size:16px}
.section-alt{background:#FFFDF8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- Hero ---------- */
.page-hero{position:relative;isolation:isolate;overflow:hidden;padding:44px 0 20px}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-3;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  opacity:.55;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-2;
  background:linear-gradient(112deg,rgba(247,245,239,.97) 0%,rgba(247,245,239,.93) 46%,rgba(247,245,239,.62) 100%);
}
.hero-glow{
  position:absolute;z-index:-1;width:420px;height:420px;right:-80px;top:-120px;
  background:radial-gradient(circle at 50% 50%,rgba(24,185,138,.28),rgba(255,106,77,.14) 58%,transparent 72%);
  filter:blur(6px);pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted);transition:color .2s ease}
.crumbs a:hover{color:var(--brand-deep);text-decoration:underline;text-decoration-color:var(--brand);text-underline-offset:4px}
.crumbs span.sep{color:#B9B3A6}
.page-hero h1{font-size:48px;font-weight:800;max-width:860px;margin-bottom:20px}
.page-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:700px;font-size:17px;color:var(--ink-2);margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.metric-row{display:flex;flex-wrap:wrap;gap:12px;padding-bottom:56px}
.metric-chip{
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.9);
  border:1px solid rgba(22,33,28,.08);
  box-shadow:0 8px 20px rgba(22,33,28,.06);
  font-size:13.5px;color:var(--ink-2);
}
.metric-chip b{font-size:15px;color:var(--ink);font-variant-numeric:tabular-nums}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:0 0 auto}
.dot-coral{background:var(--coral)}
.dot-gray{background:#B9B3A6}

/* ---------- 动效类型卡 ---------- */
.type-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.type-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;overflow:hidden;
}
.type-card::after{
  content:"";position:absolute;width:120px;height:120px;right:-46px;top:-46px;border-radius:50%;
  background:var(--grad-soft);opacity:0;transition:opacity .3s ease;
}
.type-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(24,185,138,.32)}
.type-card:hover::after{opacity:1}
.type-card h3{font-size:19px;margin-bottom:10px}
.type-card p{font-size:14.5px;color:var(--muted);line-height:1.75}
.type-tag{
  display:inline-block;margin-top:16px;padding:4px 11px;border-radius:999px;
  background:rgba(24,185,138,.1);color:var(--brand-deep);font-size:12.5px;font-weight:600;
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:22px;margin-top:8px}
.tl-item{position:relative;display:grid;grid-template-columns:80px 1fr;gap:26px;align-items:start}
.tl-item::before{
  content:"";position:absolute;left:31px;top:72px;bottom:-22px;width:2px;
  background:linear-gradient(180deg,rgba(24,185,138,.45),rgba(255,106,77,.14));
}
.tl-item:last-child::before{display:none}
.tl-num{
  width:64px;height:64px;border-radius:22px;
  display:grid;place-items:center;
  background:var(--grad);color:#0B2B22;
  font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:0 12px 26px rgba(24,185,138,.26);
  position:relative;z-index:1;
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 28px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;margin-bottom:12px}
.tl-top h3{font-size:21px}
.tl-card p{font-size:15px;color:var(--ink-2);line-height:1.8}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-deep);
  font-variant-numeric:tabular-nums;
}
.badge.coral{background:var(--coral-soft);color:#C43A22}
.badge.neutral{background:#F1EEE6;color:var(--muted)}
.badge.dark{background:var(--ink);color:#F3FBF7}
.tl-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.scene-media{aspect-ratio:16/10;overflow:hidden;background:#EFEBE1}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.scene-card:hover .scene-media img{transform:scale(1.04)}
.scene-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-body h3{font-size:19px}
.scene-body p{font-size:14.5px;color:var(--muted);line-height:1.75}
.scene-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px}
.scene-link{font-size:14px;font-weight:600;color:var(--brand-deep)}
.scene-link:hover{color:var(--coral)}

/* ---------- 交付数据 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stat-num{font-size:40px;font-weight:800;line-height:1.1;letter-spacing:-.03em;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-num small{font-size:16px;font-weight:700;margin-left:2px}
.stat-card h3{font-size:16px;margin:12px 0 8px}
.stat-card p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- 转化条 ---------- */
.cta-strip{
  margin-top:36px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 30px;border-radius:var(--r-xl);
  background:var(--grad);color:#0B2B22;
  box-shadow:0 20px 44px rgba(24,185,138,.24);
}
.cta-strip strong{display:block;font-size:20px;font-weight:800;letter-spacing:-.02em}
.cta-strip span{font-size:14.5px;opacity:.85}
.cta-strip .btn-primary{background:#12211B;color:#F3FBF7;box-shadow:0 12px 26px rgba(18,33,27,.28)}
.cta-strip .btn-primary:hover{filter:brightness(1.12)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 7fr;gap:48px;align-items:start}
.faq-intro h2{font-size:32px;margin:16px 0 14px}
.faq-intro p{color:var(--muted);font-size:15px}
.faq-intro .badge{margin-top:20px}
.faq-list{display:grid;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item:hover{border-color:rgba(24,185,138,.32);box-shadow:var(--shadow-sm)}
.faq-item.open{background:linear-gradient(180deg,rgba(227,247,240,.7),#FFFFFF 70%);border-color:rgba(24,185,138,.36);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid rgba(22,33,28,.14);position:relative;transition:transform .28s ease,background .28s ease,border-color .28s ease;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:11px;height:1.8px}
.faq-icon::after{width:1.8px;height:11px;transition:opacity .25s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand-soft);border-color:rgba(24,185,138,.4)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{padding:0 22px 22px;font-size:14.8px;color:var(--ink-2);line-height:1.85}

/* ---------- 联系表单 ---------- */
.contact-wrap{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:34px 32px;box-shadow:var(--shadow-sm);
}
.form-card h2{font-size:27px;margin-bottom:10px}
.form-card > p{font-size:14.5px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink-2)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;min-height:48px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#FFFDF8;color:var(--ink);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(24,185,138,.18);
}
.field input::placeholder,.field textarea::placeholder{color:#A9A395}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin:6px 0 20px}
.check-row input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand);flex:0 0 auto}
.check-row a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;text-align:center}
.form-alert{display:none;margin-bottom:16px;padding:12px 16px;border-radius:12px;font-size:14px;line-height:1.6}
.form-alert.ok{display:block;background:var(--brand-soft);color:var(--brand-deep);border:1px solid rgba(24,185,138,.36)}
.form-alert.err{display:block;background:var(--coral-soft);color:#C43A22;border:1px solid rgba(255,106,77,.36)}
.trust-card{
  background:#FFFDF8;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px 28px;box-shadow:var(--shadow-sm);
}
.trust-card h3{font-size:20px;margin-bottom:16px}
.trust-list{display:grid;gap:16px}
.trust-list li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.trust-list li b{color:var(--ink);font-weight:700}
.tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);
  display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:2px;
}
.trust-divider{height:1px;background:var(--line);margin:22px 0}
.trust-mini{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mini-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px}
.mini-box strong{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.mini-box span{font-size:12.5px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:#12211B;color:#D7E4DD;padding:70px 0 28px;margin-top:var(--space)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.site-footer .brand{color:#F3FBF7}
.site-footer .brand-mark{box-shadow:none}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:#9FB3A9;max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;color:#F3FBF7;margin-bottom:16px;letter-spacing:0}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14.5px;color:#9FB3A9;transition:color .2s ease}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.footer-contact li{font-size:14.5px;color:#9FB3A9;line-height:1.7}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:24px;font-size:13px;color:#7E948A}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--space:78px}
  .page-hero h1{font-size:44px}
  .nav-links{gap:2px}
  .nav-links a{padding:8px 10px;font-size:14px}
  .type-grid,.stat-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{gap:36px}
}
@media (max-width:991px){
  :root{--space:64px}
  body{padding-top:88px}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px;border-radius:24px;
    background:#FFFDF8;border:1px solid var(--line);
    box-shadow:var(--shadow-lg);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:12px;font-size:15px}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-shell{position:relative}
  .page-hero{padding-top:36px}
  .page-hero h1{font-size:38px}
  .metric-row{padding-bottom:44px}
  .scene-grid{grid-template-columns:1fr 1fr}
  .scene-card:last-child{grid-column:1 / -1}
  .faq-layout{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--space:52px}
  body{font-size:16px}
  .container{padding:0 18px}
  .site-header{padding:0 14px;top:12px}
  .nav-shell{padding:8px 10px 8px 14px;gap:10px}
  .brand{font-size:16px}
  .brand-mark{width:30px;height:30px;font-size:14px}
  .page-hero h1{font-size:32px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .section-head h2,.faq-intro h2{font-size:26px}
  .type-grid,.stat-grid,.scene-grid{grid-template-columns:1fr}
  .scene-card:last-child{grid-column:auto}
  .tl-item{grid-template-columns:56px 1fr;gap:14px}
  .tl-num{width:48px;height:48px;border-radius:16px;font-size:18px}
  .tl-item::before{left:23px;top:56px}
  .tl-card{padding:22px 20px}
  .tl-top h3{font-size:18px}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:24px 22px}
  .cta-strip .btn{width:100%}
  .form-card{padding:26px 20px}
  .grid-2{grid-template-columns:1fr}
  .faq-q{font-size:15px;padding:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:52px}
}
@media (max-width:479px){
  .page-hero h1{font-size:29px}
  .stat-num{font-size:34px}
  .metric-chip{font-size:12.5px;padding:8px 13px}
  .trust-mini{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --lime:#18B98A;
  --lime-deep:#0E7A5C;
  --lime-soft:rgba(24,185,138,.12);
  --coral:#FF6A4D;
  --coral-soft:rgba(255,106,77,.14);
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --ink:#16211C;
  --muted:#5D6B63;
  --line:#E6E1D8;
  --line-soft:rgba(22,33,28,.08);
  --grad:linear-gradient(135deg,#18B98A 0%,#3EC49C 46%,#FF8A70 100%);
  --grad-soft:linear-gradient(135deg,rgba(24,185,138,.16) 0%,rgba(255,138,112,.16) 100%);
  --r-xl:32px;
  --r-lg:26px;
  --r-md:20px;
  --r-sm:14px;
  --shadow:0 12px 32px rgba(22,33,28,.08);
  --shadow-hover:0 20px 48px rgba(22,33,28,.14);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.7;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:700;line-height:1.28}
p{margin:0}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
a:hover{color:var(--lime-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(26px,3vw,34px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--lime-deep);
  background:var(--lime-soft);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 48px);max-width:var(--max);
  z-index:100;
}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  background:rgba(247,245,239,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap;
}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:11px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 6px 14px rgba(24,185,138,.28);
}
.nav-links{
  display:flex;align-items:center;gap:6px;
  margin-left:auto;margin-right:auto;
}
.nav-links a{
  font-size:14.5px;color:var(--muted);
  padding:8px 13px;border-radius:999px;
  white-space:nowrap;
}
.nav-links a:hover{background:rgba(24,185,138,.09);color:var(--lime-deep)}
.nav-links a.active{
  background:var(--lime-soft);
  color:var(--lime-deep);
  font-weight:600;
}
.nav-cta{flex:none}
.nav-toggle{
  display:none;position:relative;z-index:130;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;cursor:pointer;
  transition:box-shadow .2s ease,transform .2s ease;
}
.nav-toggle:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:background .2s ease}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .25s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
body.nav-open .nav-toggle span{background:transparent}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;
  padding:13px 24px;border-radius:var(--r-sm);
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .2s ease,border-color .2s ease,filter .2s ease,opacity .2s ease;
}
.btn-primary{
  background:var(--grad);color:#0F1B16;
  box-shadow:0 10px 24px rgba(24,185,138,.24);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 16px 34px rgba(24,185,138,.3);color:#0F1B16}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:var(--surface);color:var(--ink);border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime-deep);transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:999px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--lime-deep);
}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--muted);
  padding-top:118px;margin-bottom:22px;
}
.crumbs a:hover{color:var(--lime-deep)}
.crumbs span[aria-current]{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{padding-bottom:8px}
.hero-card{
  display:grid;grid-template-columns:1.12fr .88fr;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero-copy{padding:48px 44px 44px}
.hero-copy h1{font-size:clamp(32px,4.2vw,48px);letter-spacing:-.025em}
.hero-sub{margin-top:18px;color:var(--muted);font-size:16.5px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.stat-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:#FBF9F4;border:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}
.stat-badge b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime);flex:none}
.dot.coral{background:var(--coral)}
.dot.grey{background:#B9C2BC}
.hero-visual{position:relative;min-height:420px}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(24,185,138,.16),rgba(255,106,77,.1) 70%,rgba(247,245,239,.1));
  pointer-events:none;
}
.float-card{
  position:absolute;left:22px;bottom:22px;z-index:2;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow);
  padding:14px 18px;min-width:180px;
}
.float-card .fc-label{font-size:12.5px;color:var(--muted)}
.float-card .fc-value{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2}
.float-card .fc-trend{font-size:12.5px;color:var(--lime-deep);font-weight:600}

/* ---------- 指标看板 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.metric-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px 22px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(24,185,138,.4)}
.metric-label{font-size:13.5px;color:var(--muted)}
.metric-num{
  font-size:clamp(32px,3.4vw,42px);font-weight:700;line-height:1.15;
  margin:8px 0 10px;font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.metric-num small{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px}
.trend{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;
  padding:4px 10px;border-radius:999px;
  background:var(--lime-soft);color:var(--lime-deep);
}
.trend.warn{background:var(--coral-soft);color:#C7412A}
.trend.neutral{background:rgba(22,33,28,.06);color:var(--muted)}

/* ---------- 案例墙 ---------- */
.case-wall{
  column-count:3;column-gap:24px;
}
.case-card{
  display:inline-block;width:100%;
  break-inside:avoid;-webkit-column-break-inside:avoid;
  margin-bottom:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(24,185,138,.38)}
.case-media{position:relative;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-media.tall{aspect-ratio:3/4}
.case-media.mid{aspect-ratio:4/3}
.case-media.wide{aspect-ratio:16/10}
.case-tag{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(255,255,255,.6);
  font-size:12.5px;font-weight:600;color:var(--lime-deep);
  backdrop-filter:blur(6px);
}
.case-body{padding:20px 20px 22px}
.case-title{font-size:19px;font-weight:700;line-height:1.4}
.case-meta{font-size:12.5px;color:var(--muted);margin-top:6px}
.case-desc{font-size:14.5px;color:var(--muted);margin-top:12px}
.case-kpis{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;
  padding-top:16px;border-top:1px dashed var(--line);
}
.kpi{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:6px 11px;border-radius:999px;
  background:#FBF9F4;border:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
}
.kpi b{font-size:14.5px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.case-link{margin-top:16px;display:inline-flex}

/* ---------- 交付清单 ---------- */
.deliver{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.deliver-item{
  display:flex;gap:16px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.deliver-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.deliver-num{
  flex:none;width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-soft);
  color:var(--lime-deep);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.deliver-item h3{font-size:17px;margin-bottom:6px}
.deliver-item p{font-size:14px;color:var(--muted)}

/* ---------- 客户评价 ---------- */
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px 28px;
  box-shadow:var(--shadow);
  position:relative;
}
.quote-card::before{
  content:"“";position:absolute;right:26px;top:8px;
  font-size:64px;line-height:1;color:rgba(24,185,138,.18);font-weight:700;
}
.quote-card p{font-size:15.5px;color:var(--ink)}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:20px}
.avatar{
  width:42px;height:42px;border-radius:50%;
  background:var(--grad);color:#0F1B16;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.quote-who .who-name{font-size:14.5px;font-weight:600}
.quote-who .who-role{font-size:12.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.4fr;gap:48px;align-items:start}
.faq-side{position:sticky;top:112px}
.faq-side h2{font-size:clamp(26px,3vw,34px)}
.faq-side p{margin-top:14px;color:var(--muted);font-size:15px}
.faq-side .btn{margin-top:22px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:18px;overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(24,185,138,.4)}
.faq-item.open{
  background:linear-gradient(180deg,rgba(24,185,138,.08),rgba(255,255,255,1) 62%);
  border-color:rgba(24,185,138,.45);
  box-shadow:var(--shadow);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;cursor:pointer;text-align:left;
  padding:19px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-ico{
  flex:none;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--lime-deep);transition:transform .25s ease,background .25s ease;
  line-height:1;
}
.faq-item.open .faq-ico{transform:rotate(45deg);background:var(--lime-soft);border-color:transparent}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0 22px}
.faq-item.open .faq-a{max-height:400px;padding:0 22px 20px}
.faq-a p{font-size:14.5px;color:var(--muted)}

/* ---------- CTA 表单 ---------- */
.cta-wrap{
  background:linear-gradient(140deg,#FFFFFF 0%,#FDFBF6 52%,rgba(24,185,138,.1) 100%);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow);
  padding:44px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:44px;
}
.form-card h2{font-size:clamp(24px,2.8vw,30px)}
.form-card .form-intro{margin-top:12px;color:var(--muted);font-size:14.5px;margin-bottom:26px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;font-size:15px;color:var(--ink);
  background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 15px;height:48px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:106px;padding:13px 15px;resize:vertical;line-height:1.6}
.field input::placeholder,.field textarea::placeholder{color:#9AA79F}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(24,185,138,.16);
}
.field input:user-invalid,.field textarea:user-invalid{border-color:var(--coral)}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);margin:6px 0 20px}
.check input{width:18px;height:18px;flex:none;margin-top:2px;accent-color:var(--lime)}
.form-state{display:none;border-radius:var(--r-sm);padding:12px 15px;font-size:14px;margin-top:14px}
.form-state.success{display:block;background:var(--lime-soft);color:var(--lime-deep);border:1px solid rgba(24,185,138,.4)}
.form-state.error{display:block;background:var(--coral-soft);color:#C7412A;border:1px solid rgba(255,106,77,.4)}
.trust-col h3{font-size:20px}
.trust-col > p{margin-top:10px;color:var(--muted);font-size:14.5px}
.trust-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.trust-item{
  display:flex;gap:12px;align-items:flex-start;
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px;
}
.trust-item .t-ico{
  flex:none;width:26px;height:26px;border-radius:8px;
  background:var(--lime-soft);color:var(--lime-deep);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.trust-item strong{display:block;font-size:14px}
.trust-item span{font-size:13px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:#16211C;color:#E8EDE9;
  padding:64px 0 28px;
  position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;right:-120px;top:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(24,185,138,.28),rgba(255,106,77,.1) 60%,transparent 72%);
  pointer-events:none;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  position:relative;z-index:1;
}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;color:#A9B6AE;max-width:340px}
.footer-col h4{font-size:14.5px;margin-bottom:14px;color:#fff;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-contact li{font-size:13.5px;color:#A9B6AE}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:#87968D;position:relative;z-index:1;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links{gap:2px}
  .nav-links a{font-size:14px;padding:8px 10px}
  .section{padding:64px 0}
}
@media (max-width:991px){
  .nav-toggle{display:flex;margin-left:auto}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;inset:0;z-index:120;
    flex-direction:column;justify-content:center;gap:6px;
    background:rgba(247,245,239,.98);
    backdrop-filter:blur(16px);
    padding:88px 28px;
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
    margin:0;
  }
  body.nav-open .nav-links{opacity:1;transform:none;pointer-events:auto}
  .nav-links a{font-size:18px;padding:14px 20px;width:100%;text-align:center;color:var(--ink)}
  .nav-links a.active{background:var(--lime-soft)}
  .hero-card{grid-template-columns:1fr}
  .hero-copy{padding:38px 28px 32px}
  .hero-visual{min-height:300px;order:2}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .case-wall{column-count:2}
  .deliver{grid-template-columns:repeat(2,1fr)}
  .quotes{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .cta-wrap{grid-template-columns:1fr;padding:32px 26px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .site-header{width:calc(100% - 24px);top:12px}
  .crumbs{padding-top:104px;font-size:13px}
  .section{padding:52px 0}
  .hero-copy h1{font-size:clamp(28px,7vw,34px)}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-visual{min-height:240px}
  .float-card{left:14px;bottom:14px;padding:12px 14px;min-width:150px}
  .case-wall{column-count:1}
  .metrics{grid-template-columns:1fr}
  .deliver{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr;gap:0}
  .cta-wrap{padding:26px 20px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a{padding:0 18px}
  .faq-item.open .faq-a{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:56px;padding:48px 0 24px}
}
@media (max-width:519px){
  .brand{font-size:15.5px}
  .brand-mark{width:28px;height:28px;border-radius:9px;font-size:13px}
  .hero-stats{gap:8px}
  .stat-badge{font-size:12.5px;padding:7px 11px}
  .metric-num{font-size:32px}
  .quote-card{padding:24px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category5 */
:root{
  --green:#18B98A;
  --green-deep:#0E7A5C;
  --green-soft:#E4F7F0;
  --coral:#FF6A4D;
  --coral-soft:#FFEDE8;
  --bg:#F7F5EF;
  --ink:#16211C;
  --ink-soft:#41504A;
  --muted:#6C7A73;
  --line:#E6E1D8;
  --card:#FFFFFF;
  --grad:linear-gradient(135deg,#18B98A 0%,#43C6A2 52%,#FF6A4D 100%);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 12px 32px rgba(22,33,28,.08);
  --shadow-hover:0 20px 48px rgba(22,33,28,.14);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:120px;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.7;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:90;display:flex;justify-content:center;padding:0 24px;}
.nav-shell{
  width:100%;max-width:var(--max);display:flex;align-items:center;gap:20px;
  padding:9px 10px 9px 18px;border-radius:999px;
  background:rgba(247,245,239,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(22,33,28,.08);
  box-shadow:0 12px 32px rgba(22,33,28,.08);
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;
  box-shadow:0 6px 16px rgba(24,185,138,.28);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-inline:auto;}
.nav-links a{
  font-size:14.5px;color:var(--ink-soft);padding:8px 13px;border-radius:999px;
  transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--ink);background:rgba(24,185,138,.1);}
.nav-links a.active{color:var(--green-deep);background:rgba(24,185,138,.14);font-weight:600;}
.nav-cta{flex:0 0 auto;}
.nav-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);border:1px solid transparent;
  padding:14px 26px;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s,box-shadow .2s,filter .2s,background .2s,color .2s;
  text-align:center;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(24,185,138,.24);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 16px 34px rgba(24,185,138,.3);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(22,33,28,.16);color:var(--ink);}
.btn-ghost:hover{transform:translateY(-1px);background:#fff;box-shadow:var(--shadow);}
.btn-light{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.4);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:999px;}
.btn:focus-visible{outline:2px solid var(--green);outline-offset:3px;}
.btn[disabled]{opacity:.5;pointer-events:none;}

/* ---------- 小页头 ---------- */
.subhero{padding:132px 0 56px;position:relative;overflow:hidden;}
.subhero::before{
  content:"";position:absolute;top:40px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(24,185,138,.18),rgba(255,106,77,.10) 55%,transparent 72%);
  pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px;position:relative;}
.crumbs a{color:var(--muted);transition:color .2s;}
.crumbs a:hover{color:var(--green-deep);text-decoration:underline;text-decoration-color:var(--green);}
.crumbs .sep{color:#C3CBC7;}
.subhero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;position:relative;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--green-deep);background:rgba(24,185,138,.12);
  border:1px solid rgba(24,185,138,.22);padding:6px 14px;border-radius:999px;
}
.subhero h1{font-size:clamp(30px,3.9vw,46px);margin:18px 0 18px;line-height:1.22;}
.subhero .lead{font-size:17px;color:var(--ink-soft);max-width:635px;}
.subhero-media{
  border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow);
  border:1px solid var(--line);aspect-ratio:16/11;background:#EDEAE2;
}
.subhero-media img{width:100%;height:100%;object-fit:cover;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.badge{
  display:inline-flex;align-items:center;gap:9px;padding:9px 16px;border-radius:999px;
  font-size:13.5px;font-weight:600;background:#fff;border:1px solid var(--line);
  box-shadow:0 6px 16px rgba(22,33,28,.05);color:var(--ink);
}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--green);flex:0 0 auto;}
.badge.coral .dot{background:var(--coral);}
.badge.neutral .dot{background:#9AA7A0;}
.badge b{font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- 左侧目录 + 右侧内容 ---------- */
.qa-section{padding:8px 0 88px;}
.qa-layout{display:grid;grid-template-columns:296px minmax(0,1fr);gap:40px;align-items:start;}
.qa-toc{
  position:sticky;top:112px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);
}
.qa-toc h2{font-size:16px;margin-bottom:14px;letter-spacing:-.01em;}
.toc-list{display:grid;gap:4px;}
.toc-link{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;
  font-size:14.5px;color:var(--ink-soft);transition:background .2s,color .2s,transform .2s;
}
.toc-link::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#C3CBC7;flex:0 0 auto;transition:background .2s,transform .2s;
}
.toc-link:hover{background:var(--green-soft);color:var(--green-deep);transform:translateX(2px);}
.toc-link.active{background:var(--green-soft);color:var(--green-deep);font-weight:600;}
.toc-link.active::before{background:var(--green);transform:scale(1.3);}
.toc-cta{margin-top:20px;padding-top:20px;border-top:1px solid var(--line);}
.toc-cta p{font-size:13.5px;color:var(--muted);margin-bottom:12px;}
.toc-cta .btn{width:100%;}

.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px;box-shadow:var(--shadow);margin-bottom:26px;
}
.panel h2{font-size:clamp(22px,2.4vw,27px);margin-bottom:10px;}
.panel .panel-sub{font-size:15px;color:var(--muted);margin-bottom:4px;}
.panel-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--green-soft);color:var(--green-deep);
}
.tag.coral{background:var(--coral-soft);color:#C43A1F;}
.tag.gray{background:#F0EEE7;color:var(--muted);}

.tick-list{display:grid;gap:16px;margin-top:22px;}
.tick-list li{display:flex;gap:12px;font-size:15.5px;color:var(--ink-soft);line-height:1.75;}
.tick-list .tick{
  width:22px;height:22px;border-radius:50%;background:var(--green-soft);color:var(--green-deep);
  display:grid;place-items:center;font-size:12px;font-weight:700;flex:0 0 auto;margin-top:4px;
}
.tick-list b{color:var(--ink);font-weight:600;}

.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px;}
.metric{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px 22px;transition:transform .25s,box-shadow .25s,background .25s;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow);background:#fff;}
.metric .num{font-size:34px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.metric .num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:5px;letter-spacing:0;}
.metric .cap{font-size:13.5px;color:var(--muted);margin-top:8px;line-height:1.65;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;margin-top:24px;}
.faq-item{
  border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;
  transition:border-color .22s,box-shadow .22s,background .22s;
}
.faq-item:hover{border-color:rgba(24,185,138,.36);}
.faq-item[open]{
  border-color:rgba(24,185,138,.42);
  background:linear-gradient(180deg,rgba(24,185,138,.09),rgba(255,255,255,.9));
  box-shadow:var(--shadow);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";width:10px;height:10px;border-right:2px solid var(--green-deep);
  border-bottom:2px solid var(--green-deep);transform:rotate(45deg);
  transition:transform .25s;flex:0 0 auto;margin-right:4px;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px;}
.faq-item summary:focus-visible{outline:2px solid var(--green);outline-offset:-4px;border-radius:18px;}
.faq-body{padding:0 22px 20px;font-size:15.5px;color:var(--ink-soft);line-height:1.8;}

/* ---------- 资源卡 ---------- */
.res-grid{display:grid;gap:18px;margin-top:24px;}
.res-card{
  display:grid;grid-template-columns:172px minmax(0,1fr);gap:22px;align-items:center;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:16px;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;
}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);background:#fff;border-color:rgba(24,185,138,.32);}
.res-card .thumb{border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:#EDEAE2;}
.res-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.res-card:hover .thumb img{transform:scale(1.04);}
.res-card h3{font-size:18px;margin:8px 0 8px;}
.res-card p{font-size:14.5px;color:var(--muted);line-height:1.7;}

/* ---------- 联系区 ---------- */
.contact-section{padding:16px 0 96px;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{font-size:clamp(24px,2.9vw,34px);margin:14px 0 12px;}
.section-head p{color:var(--ink-soft);font-size:16px;}
.contact-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:32px;align-items:start;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:34px;box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;border:1px solid rgba(22,33,28,.14);border-radius:var(--radius-sm);
  padding:0 16px;height:48px;font-size:15px;background:#fff;color:var(--ink);
  font-family:inherit;transition:border-color .2s,box-shadow .2s;
}
.field textarea{height:auto;min-height:112px;padding:14px 16px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(24,185,138,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#A6B0AB;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.65;}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--green);flex:0 0 auto;}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px;}
.form-tip{font-size:13.5px;color:var(--muted);}
.form-msg{
  margin-top:16px;padding:13px 16px;border-radius:var(--radius-sm);font-size:14.5px;font-weight:600;
}
.form-msg.success{background:var(--green-soft);color:var(--green-deep);border:1px solid rgba(24,185,138,.35);}
.form-msg.error{background:var(--coral-soft);color:#C43A1F;border:1px solid rgba(255,106,77,.38);}
.contact-side{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:32px;box-shadow:var(--shadow);
}
.contact-side h3{font-size:20px;margin-bottom:6px;}
.trust-list{display:grid;gap:13px;margin:18px 0 24px;}
.trust-list li{position:relative;padding-left:22px;font-size:15px;color:var(--ink-soft);line-height:1.7;}
.trust-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--grad);
}
.contact-side .badge-row{margin-top:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:#16211C;color:rgba(255,255,255,.72);padding:72px 0 0;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;top:-180px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(24,185,138,.32),transparent 68%);pointer-events:none;
}
.site-footer::after{
  content:"";position:absolute;bottom:-200px;left:-100px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,77,.22),transparent 68%);pointer-events:none;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;position:relative;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:0;}
.site-footer li{margin-bottom:10px;font-size:14.5px;line-height:1.65;}
.site-footer a{transition:color .2s;}
.site-footer a:hover{color:var(--green);}
.footer-contact li{color:rgba(255,255,255,.62);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding:22px 0 26px;
  font-size:13.5px;color:rgba(255,255,255,.55);position:relative;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 22px;}
  .qa-layout{grid-template-columns:268px minmax(0,1fr);gap:30px;}
}
@media (max-width:991px){
  .site-header{padding:0 18px;}
  .nav-links{
    position:fixed;top:88px;left:16px;right:16px;margin:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:24px;
    padding:16px;box-shadow:var(--shadow-hover);display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;border-radius:14px;font-size:15px;}
  .nav-cta{display:none;}
  .nav-toggle{
    display:grid;place-items:center;margin-left:auto;width:40px;height:40px;
    border-radius:50%;border:1px solid rgba(22,33,28,.14);background:#fff;cursor:pointer;
    transition:background .2s,transform .2s;
  }
  .nav-toggle:hover{background:var(--green-soft);}
  .nav-toggle span{display:block;position:relative;width:16px;height:2px;background:var(--ink);border-radius:2px;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px;
  }
  .nav-toggle span::before{top:-5px;}
  .nav-toggle span::after{top:5px;}

  .subhero{padding:120px 0 46px;}
  .subhero-grid{grid-template-columns:1fr;gap:34px;}
  .subhero-media{order:2;aspect-ratio:16/9;}
  .qa-layout{grid-template-columns:1fr;gap:24px;}
  .qa-toc{position:static;top:auto;}
  .toc-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .contact-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .panel{padding:24px;border-radius:var(--radius-md);}
  .metric-grid{grid-template-columns:1fr;}
  .res-card{grid-template-columns:1fr;}
  .res-card .thumb{aspect-ratio:16/9;}
  .form-row{grid-template-columns:1fr;}
  .form-card,.contact-side{padding:24px;}
  .form-actions .btn{width:100%;}
  .badge{font-size:12.5px;padding:8px 14px;}
  .subhero h1{font-size:clamp(27px,7vw,34px);}
  .subhero .lead{font-size:15.5px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .toc-list{grid-template-columns:1fr;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;font-size:15px;}
  .contact-section{padding:8px 0 64px;}
}
@media (max-width:480px){
  .subhero{padding:112px 0 38px;}
  .eyebrow{font-size:12px;}
  .metric .num{font-size:30px;}
  .res-card h3{font-size:16.5px;}
}