/* roulang page: index */
:root{
  --hth-primary:#2F8F83;
  --hth-primary-deep:#25756B;
  --hth-accent:#D99A4E;
  --hth-brown:#6B4A36;
  --hth-ink:#1F1B16;
  --hth-muted:#5B5148;
  --hth-bg:#F7F3EC;
  --hth-surface:#FFFDF8;
  --hth-border:#E6DED2;
  --hth-footer:#1F1712;
  --hth-shadow:0 8px 30px rgba(43,29,22,.08);
  --hth-shadow-hover:0 16px 48px rgba(43,29,22,.14);
  --hth-r-sm:12px;
  --hth-r-md:18px;
  --hth-r-lg:28px;

  --bs-primary:#2F8F83;
  --bs-primary-rgb:47,143,131;
  --bs-link-color:#2F8F83;
  --bs-link-hover-color:#25756B;
  --bs-border-color:#E6DED2;
  --bs-body-bg:#F7F3EC;
  --bs-body-color:#1F1B16;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--hth-bg);
  color:var(--hth-ink);
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--hth-primary);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--hth-primary-deep);}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;color:var(--hth-ink);}
p{margin:0 0 1rem;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--hth-accent);outline-offset:3px;border-radius:6px;}

.hth-container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
.sec{padding:104px 0;}
.sec-tight{padding:80px 0;}
.sec-alt{background:var(--hth-surface);}
.sec-dark{background:var(--hth-footer);color:#EFE7DC;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--hth-primary);
  background:rgba(47,143,131,.09);
  border:1px solid rgba(47,143,131,.18);
  padding:6px 14px;border-radius:999px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--hth-accent);
}
.sec-title{
  font-size:clamp(1.6rem,3.2vw,2.5rem);
  line-height:1.22;
  margin:0 0 14px;
}
.sec-sub{
  color:var(--hth-muted);
  font-size:16.5px;
  max-width:660px;
  margin:0;
}
.sec-head{margin-bottom:52px;}
.sec-head-center{text-align:center;}
.sec-head-center .sec-sub{margin:0 auto;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-sub,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-size:15px;font-weight:700;
  padding:13px 26px;
  border-radius:var(--hth-r-sm);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-main{
  background:var(--hth-primary);color:#fff;
  box-shadow:0 6px 18px rgba(47,143,131,.24);
}
.btn-main:hover{background:var(--hth-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(47,143,131,.3);}
.btn-sub{
  background:var(--hth-surface);color:var(--hth-brown);
  border-color:var(--hth-border);
}
.btn-sub:hover{background:#EDF6F4;color:var(--hth-primary-deep);border-color:rgba(47,143,131,.4);transform:translateY(-2px);}
.btn-ghost{
  background:transparent;color:var(--hth-primary);
  border-color:rgba(47,143,131,.35);
}
.btn-ghost:hover{background:rgba(47,143,131,.08);color:var(--hth-primary-deep);}
.btn-main:disabled,.btn-sub:disabled{opacity:.55;filter:saturate(.6);transform:none;box-shadow:none;cursor:not-allowed;}
.btn-lg{padding:16px 32px;font-size:16px;}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(47,143,131,.1);
  color:var(--hth-primary-deep);
  font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:999px;
  line-height:1.4;
}
.pill-amber{background:rgba(217,154,78,.16);color:#9A6520;}
.pill-brown{background:rgba(107,74,54,.12);color:var(--hth-brown);}

/* ---------- 头部导航 ---------- */
.hth-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(247,243,236,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--hth-border);
}
.hth-nav{
  display:flex;align-items:center;gap:22px;
  height:72px;
}
.brand{
  display:flex;align-items:center;gap:11px;
  flex-shrink:0;
}
.brand-mark{
  position:relative;
  width:40px;height:40px;border-radius:13px;
  background:linear-gradient(140deg,var(--hth-primary),#1E635A);
  color:#fff;font-size:12.5px;font-weight:800;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(47,143,131,.28);
}
.brand-mark::after{
  content:"";position:absolute;inset:-5px;
  border:1.5px solid rgba(217,154,78,.55);
  border-radius:17px;transform:rotate(-14deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:16.5px;font-weight:800;color:var(--hth-ink);letter-spacing:-.01em;}
.brand-text span{font-size:11.5px;color:var(--hth-muted);letter-spacing:.06em;}

.nav-links{
  display:flex;align-items:center;gap:4px;
  flex:1 1 auto;min-width:0;overflow:hidden;
}
.nav-links a{
  position:relative;
  font-size:14.5px;font-weight:600;
  color:var(--hth-muted);
  padding:8px 11px;border-radius:9px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;
  background:var(--hth-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-links a:hover{color:var(--hth-primary-deep);background:rgba(47,143,131,.07);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--hth-primary-deep);}
.nav-links a.active::after{transform:scaleX(1);}

.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.cmd-search{
  position:relative;display:flex;align-items:center;
  width:300px;height:40px;
  background:#F1ECE2;
  border:1px solid var(--hth-border);
  border-radius:12px;
  padding:0 12px 0 36px;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.cmd-search i{
  position:absolute;left:13px;font-size:13px;color:var(--hth-muted);
}
.cmd-search input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--hth-ink);min-width:0;
}
.cmd-search input::placeholder{color:#9B9086;}
.cmd-search kbd{
  font-size:11px;font-family:inherit;font-weight:700;
  color:var(--hth-muted);
  background:#FFFDF8;border:1px solid var(--hth-border);
  border-radius:6px;padding:2px 6px;
}
.cmd-search:focus-within{
  background:#FFFDF8;
  border-color:var(--hth-primary);
  box-shadow:0 0 0 4px rgba(217,154,78,.22);
}
.icon-btn{
  width:40px;height:40px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--hth-border);
  background:var(--hth-surface);
  color:var(--hth-muted);
  transition:all .22s ease;
}
.icon-btn:hover{color:var(--hth-primary-deep);border-color:rgba(47,143,131,.4);background:#EDF6F4;}
.nav-cta{padding:11px 20px;font-size:14.5px;}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--hth-border);background:var(--hth-surface);
  color:var(--hth-ink);align-items:center;justify-content:center;font-size:17px;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:76px 0 96px;
  min-height:720px;
  display:flex;align-items:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 480px at 88% -10%,rgba(47,143,131,.14),transparent 62%),
    radial-gradient(620px 380px at 4% 100%,rgba(217,154,78,.13),transparent 66%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
  width:100%;
}
.hero-title{
  font-size:clamp(2.2rem,4.8vw,4rem);
  line-height:1.15;
  margin:0 0 20px;
  font-weight:800;
}
.hero-title em{
  font-style:normal;
  color:var(--hth-primary);
  position:relative;
  white-space:nowrap;
}
.hero-title em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.22em;
  background:rgba(217,154,78,.28);border-radius:4px;z-index:-1;
}
.hero-lead{
  font-size:18px;color:var(--hth-muted);
  max-width:560px;margin:0 0 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px;}
.trust-item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:var(--hth-brown);
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:999px;
  padding:8px 15px;
  box-shadow:0 4px 14px rgba(43,29,22,.05);
}
.trust-item i{color:var(--hth-primary);font-size:13px;}

.hero-visual{position:relative;}
.hero-panel{
  position:relative;
  border-radius:var(--hth-r-lg);
  overflow:hidden;
  min-height:430px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border:1px solid rgba(255,255,255,.5);
  box-shadow:var(--hth-shadow-hover);
}
.hero-panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(31,23,18,.06) 0%,rgba(31,23,18,.5) 100%);
}
.hero-panel-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:42px 42px;
  opacity:.5;
}
.hero-ring{
  position:absolute;right:-26px;top:-26px;
  width:150px;height:150px;border-radius:50%;
  border:2px dashed rgba(217,154,78,.75);
  animation:spin 26s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.hero-panel-status{
  position:absolute;left:22px;bottom:22px;right:22px;
  z-index:2;color:#fff;
}
.hero-panel-status .status-line{
  display:flex;align-items:center;gap:9px;
  font-size:13.5px;font-weight:600;
  background:rgba(31,23,18,.5);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
  border-radius:999px;
  padding:8px 15px;
  width:fit-content;
}
.dot-live{width:8px;height:8px;border-radius:50%;background:#7FD8C6;box-shadow:0 0 0 4px rgba(127,216,198,.25);}
.hero-float-card{
  position:absolute;left:-32px;bottom:-30px;
  width:236px;
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-md);
  padding:14px;
  box-shadow:var(--hth-shadow-hover);
  z-index:3;
}
.hero-float-card img{border-radius:12px;margin-bottom:11px;aspect-ratio:16/10;object-fit:cover;}
.hero-float-card b{display:block;font-size:14px;margin-bottom:3px;}
.hero-float-card span{font-size:12.5px;color:var(--hth-muted);}

/* ---------- 卖点错位网格 ---------- */
.value-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  grid-template-rows:auto auto;
  gap:26px;
}
.value-card{
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-md);
  padding:32px 30px;
  box-shadow:var(--hth-shadow);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  display:flex;flex-direction:column;
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-hover);border-color:rgba(47,143,131,.32);}
.value-card.wide{grid-column:1;grid-row:1 / span 2;}
.value-card.wide .value-ico{margin-bottom:22px;}
.value-ico{
  width:50px;height:50px;border-radius:15px;
  background:rgba(47,143,131,.1);
  color:var(--hth-primary-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;margin-bottom:18px;
}
.value-card h3{font-size:1.3rem;margin:0 0 10px;}
.value-card p{color:var(--hth-muted);font-size:15.5px;margin:0 0 16px;}
.mini-link{
  font-size:14px;font-weight:700;color:var(--hth-primary);
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;
}
.mini-link i{transition:transform .22s ease;}
.mini-link:hover i{transform:translateX(4px);}

.step-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:18px;margin-top:52px;
}
.step-item{
  position:relative;
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-md);
  padding:26px 22px;
  box-shadow:var(--hth-shadow);
}
.step-item b{display:block;font-size:13px;color:var(--hth-accent);letter-spacing:.1em;margin-bottom:10px;}
.step-item h4{font-size:16.5px;margin:0 0 8px;}
.step-item p{font-size:14.5px;color:var(--hth-muted);margin:0;}

/* ---------- 演示区 ---------- */
.demo-wrap{
  display:grid;grid-template-columns:1fr 1.25fr;gap:52px;align-items:start;
}
.demo-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px;}
.demo-tab{
  border:1px solid var(--hth-border);
  background:var(--hth-surface);
  color:var(--hth-muted);
  font-size:14px;font-weight:700;
  padding:9px 18px;border-radius:999px;
  transition:all .22s ease;
}
.demo-tab:hover{color:var(--hth-primary-deep);border-color:rgba(47,143,131,.4);}
.demo-tab.active{
  background:var(--hth-primary);border-color:var(--hth-primary);color:#fff;
  box-shadow:0 8px 20px rgba(47,143,131,.24);
}
.demo-list li{
  display:flex;gap:13px;
  padding:14px 0;
  border-bottom:1px dashed var(--hth-border);
  font-size:15.5px;color:var(--hth-muted);
}
.demo-list li:last-child{border-bottom:0;}
.demo-list i{color:var(--hth-primary);margin-top:6px;font-size:14px;}
.demo-list b{color:var(--hth-ink);font-weight:700;}
.demo-shot{
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-lg);
  overflow:hidden;
  background:var(--hth-surface);
  box-shadow:var(--hth-shadow);
}
.demo-bar{
  display:flex;align-items:center;gap:8px;
  padding:13px 18px;
  background:#F1ECE2;
  border-bottom:1px solid var(--hth-border);
}
.demo-bar span.w{width:11px;height:11px;border-radius:50%;background:#D9CFC0;}
.demo-bar span.w1{background:#E4A08A;}
.demo-bar span.w2{background:#E8C98B;}
.demo-bar span.w3{background:#8CC7BB;}
.demo-bar em{
  margin-left:10px;font-style:normal;font-size:12.5px;color:var(--hth-muted);
  background:var(--hth-surface);border:1px solid var(--hth-border);
  border-radius:8px;padding:3px 12px;
}
.demo-shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.demo-caption{
  display:flex;justify-content:space-between;gap:14px;
  padding:15px 20px;font-size:13.5px;color:var(--hth-muted);
  border-top:1px solid var(--hth-border);
}

/* ---------- 证据区 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:22px;margin-bottom:56px;
}
.stat-card{
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-md);
  padding:26px 24px;
  box-shadow:var(--hth-shadow);
}
.stat-card b{
  display:block;
  font-size:clamp(1.9rem,3.4vw,2.6rem);
  font-weight:700;line-height:1.1;
  color:var(--hth-primary-deep);
  letter-spacing:-.02em;
}
.stat-card span{display:block;font-size:13.5px;color:var(--hth-muted);margin-top:8px;}
.stat-card::after{
  content:"";display:block;width:38px;height:3px;border-radius:3px;
  background:var(--hth-accent);margin-top:16px;
}

.case-row{
  display:grid;grid-template-columns:1fr 1fr;gap:30px;
  margin-bottom:44px;
}
.case-card{
  display:flex;gap:20px;
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-md);
  padding:20px;
  box-shadow:var(--hth-shadow);
  transition:transform .26s ease,box-shadow .26s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-hover);}
.case-card:nth-child(even){flex-direction:row-reverse;}
.case-card img{
  width:150px;flex:0 0 150px;
  aspect-ratio:1/1;object-fit:cover;border-radius:14px;
}
.case-card h4{font-size:16.5px;margin:0 0 8px;}
.case-card p{font-size:14.5px;color:var(--hth-muted);margin:0 0 12px;}

.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{
  background:var(--hth-bg);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-md);
  padding:26px 24px;
}
.quote-card p{font-size:15px;color:var(--hth-muted);margin:0 0 18px;}
.quote-who{display:flex;align-items:center;gap:12px;}
.quote-avatar{
  width:38px;height:38px;border-radius:50%;
  background:rgba(47,143,131,.14);color:var(--hth-primary-deep);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13.5px;
}
.quote-who b{display:block;font-size:14px;}
.quote-who span{font-size:12.5px;color:var(--hth-muted);}
.stars{color:var(--hth-accent);font-size:12.5px;margin-bottom:12px;letter-spacing:2px;}

/* ---------- 价格 ---------- */
.price-switch{
  display:inline-flex;align-items:center;gap:4px;
  background:#F1ECE2;border:1px solid var(--hth-border);
  border-radius:999px;padding:4px;margin-bottom:14px;
}
.price-switch button{
  border:0;background:transparent;color:var(--hth-muted);
  font-size:14px;font-weight:700;padding:8px 20px;border-radius:999px;
  transition:all .22s ease;
}
.price-switch button.on{background:var(--hth-surface);color:var(--hth-primary-deep);box-shadow:0 3px 10px rgba(43,29,22,.1);}
.price-note{font-size:13px;color:var(--hth-muted);margin-bottom:44px;}

.price-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:26px;align-items:start;
}
.price-card{
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-md);
  padding:34px 30px;
  box-shadow:var(--hth-shadow);
  transition:transform .26s ease,box-shadow .26s ease;
}
.price-card h3{font-size:1.2rem;margin:0 0 8px;}
.price-card .p-desc{font-size:14.5px;color:var(--hth-muted);margin-bottom:22px;}
.p-amount{
  display:flex;align-items:baseline;gap:6px;margin-bottom:6px;
}
.p-amount b{font-size:clamp(2rem,3.6vw,2.8rem);font-weight:700;color:var(--hth-ink);letter-spacing:-.02em;}
.p-amount span{font-size:14px;color:var(--hth-muted);}
.p-list{margin:24px 0 28px;}
.p-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--hth-muted);padding:7px 0;
}
.p-list i{color:var(--hth-primary);font-size:13px;margin-top:5px;}
.price-card.feat{
  transform:translateY(-22px);
  border-color:rgba(47,143,131,.45);
  box-shadow:0 22px 60px rgba(43,29,22,.14);
  background:linear-gradient(180deg,#FFFDF8 0%,#F3FAF8 100%);
}
.price-card.feat .btn-main{width:100%;}
.price-card.feat:hover{transform:translateY(-26px);}
.price-card.alt{margin-top:34px;}

/* ---------- 资讯列表 ---------- */
.news-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.news-card{
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-md);
  overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--hth-shadow);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--hth-shadow-hover);border-color:rgba(47,143,131,.3);}
.news-cover{display:block;overflow:hidden;}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;line-height:1.5;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a{color:var(--hth-ink);}
.news-body h3 a:hover{color:var(--hth-primary-deep);}
.news-body p{
  font-size:14.5px;color:var(--hth-muted);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;font-size:12.5px;color:var(--hth-muted);
  border-top:1px dashed var(--hth-border);padding-top:14px;margin-top:auto;
}
.news-meta .go{color:var(--hth-primary);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.news-meta .go i{transition:transform .22s ease;}
.news-card:hover .news-meta .go i{transform:translateX(4px);}
.news-empty{
  grid-column:1 / -1;
  text-align:center;
  padding:64px 24px;
  border:1px dashed var(--hth-border);
  border-radius:var(--hth-r-md);
  background:var(--hth-surface);
  color:var(--hth-muted);
}
.news-empty i{font-size:30px;color:var(--hth-primary);margin-bottom:14px;display:block;}

.cat-strip{
  display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:34px;
}
.cat-card{
  position:relative;overflow:hidden;
  border-radius:var(--hth-r-md);
  border:1px solid var(--hth-border);
  background:var(--hth-surface);
  display:flex;gap:0;
  box-shadow:var(--hth-shadow);
  transition:transform .26s ease,box-shadow .26s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-hover);}
.cat-card img{width:170px;flex:0 0 170px;object-fit:cover;}
.cat-card-body{padding:24px 24px 24px 22px;}
.cat-card-body h3{font-size:17.5px;margin:10px 0 8px;}
.cat-card-body p{font-size:14.5px;color:var(--hth-muted);margin:0 0 14px;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:0.85fr 1.5fr;gap:56px;align-items:start;}
.faq-side{position:sticky;top:100px;}
.faq-side .sec-sub{margin-bottom:26px;}
.faq-item{
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-md);
  background:var(--hth-surface);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.open{border-color:rgba(47,143,131,.45);box-shadow:0 10px 30px rgba(43,29,22,.08);}
.faq-q{
  width:100%;text-align:left;
  background:transparent;border:0;
  padding:20px 22px;
  font-size:16px;font-weight:700;color:var(--hth-ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  cursor:pointer;line-height:1.55;
}
.faq-q .ic{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  background:rgba(47,143,131,.1);color:var(--hth-primary-deep);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .24s ease,background .24s ease;
}
.faq-item.open .faq-q .ic{background:var(--hth-primary);color:#fff;transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 22px 22px 25px;
  border-left:3px solid var(--hth-primary);
  margin-left:0;
  color:var(--hth-muted);font-size:15.5px;line-height:1.85;
}
.faq-item.open .faq-a{display:block;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,#F3FAF8 0%,#FAF3E6 100%);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-lg);
  padding:60px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--hth-shadow);
}
.cta-band h2{font-size:clamp(1.5rem,2.8vw,2.1rem);margin:0 0 12px;line-height:1.25;}
.cta-band p{color:var(--hth-muted);margin:0;max-width:520px;font-size:15.5px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}

/* ---------- 页脚 ---------- */
.hth-footer{
  background:var(--hth-footer);
  color:#D9CFC2;
  padding:76px 0 0;
  margin-top:0;
}
.hth-footer .top-line{
  height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--hth-primary),var(--hth-accent),transparent);
  margin-bottom:56px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:44px;
  padding-bottom:52px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-brand .brand-text b{color:#FFF8EE;}
.footer-brand .brand-text span{color:#A79A8B;}
.hth-footer p{color:#A79A8B;font-size:14.5px;line-height:1.8;max-width:360px;}
.hth-footer h5{
  color:#FFF8EE;font-size:14.5px;font-weight:800;
  margin:0 0 18px;letter-spacing:.04em;
}
.hth-footer li{margin-bottom:11px;}
.hth-footer a{color:#A79A8B;font-size:14.5px;}
.hth-footer a:hover{color:#8FD6C9;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0 30px;
  display:flex;flex-wrap:wrap;gap:14px;
  justify-content:space-between;align-items:center;
  font-size:13px;color:#8C8073;
}
.footer-bottom a{color:#8C8073;font-size:13px;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:calc(28px + env(safe-area-inset-bottom,0px));
  z-index:1035;
  display:flex;flex-direction:column;gap:12px;
}
.float-btn{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--hth-primary);color:#fff;
  font-size:14.5px;font-weight:700;
  padding:13px 22px;border-radius:999px;
  box-shadow:0 12px 32px rgba(47,143,131,.34);
  border:1px solid rgba(255,255,255,.18);
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
}
.float-btn:hover{background:var(--hth-primary-deep);color:#fff;transform:translateY(-3px);box-shadow:0 18px 40px rgba(47,143,131,.4);}
.float-round{
  width:48px;height:48px;justify-content:center;padding:0;
  background:var(--hth-surface);color:var(--hth-brown);
  box-shadow:var(--hth-shadow-hover);border-color:var(--hth-border);
  align-self:flex-end;
}
.float-round:hover{background:#EDF6F4;color:var(--hth-primary-deep);}

/* ---------- 移动端抽屉 ---------- */
.offcanvas.hth-drawer{background:var(--hth-bg);color:var(--hth-ink);width:320px;border-right:1px solid var(--hth-border);}
.hth-drawer .drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 22px;border-bottom:1px solid var(--hth-border);
}
.hth-drawer .drawer-body{padding:18px 22px 0;display:flex;flex-direction:column;gap:4px;}
.hth-drawer .drawer-body a{
  font-size:16px;font-weight:600;color:var(--hth-ink);
  padding:14px 8px;border-bottom:1px solid var(--hth-border);
  display:flex;align-items:center;justify-content:space-between;
}
.hth-drawer .drawer-body a.active{color:var(--hth-primary-deep);}
.hth-drawer .drawer-foot{
  position:sticky;bottom:0;margin-top:auto;
  padding:18px 22px calc(18px + env(safe-area-inset-bottom,0px));
  background:var(--hth-bg);border-top:1px solid var(--hth-border);
}
.hth-drawer .drawer-foot .btn-main{width:100%;}
.drawer-search{
  display:flex;align-items:center;gap:9px;
  background:#F1ECE2;border:1px solid var(--hth-border);
  border-radius:12px;padding:11px 14px;margin:18px 22px 0;
}
.drawer-search input{border:0;background:transparent;outline:none;flex:1;font-size:14.5px;}
.drawer-search i{color:var(--hth-muted);font-size:13px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cmd-search{width:230px;}
  .nav-links a{font-size:13.5px;padding:8px 9px;}
  .hero-grid{gap:40px;}
}
@media (max-width:991.98px){
  .nav-links,.cmd-search{display:none;}
  .burger{display:inline-flex;}
  .nav-cta{display:none;}
  .sec{padding:76px 0;}
  .sec-tight{padding:64px 0;}
  .hero{min-height:560px;padding:56px 0 76px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-float-card{left:auto;right:18px;bottom:-24px;width:210px;}
  .value-grid{grid-template-columns:1fr;grid-template-rows:auto;}
  .value-card.wide{grid-column:1;grid-row:auto;}
  .step-strip{grid-template-columns:1fr 1fr;}
  .demo-wrap{grid-template-columns:1fr;gap:36px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .case-row{grid-template-columns:1fr;}
  .case-card:nth-child(even){flex-direction:row;}
  .quote-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;gap:22px;}
  .price-card.feat{transform:none;}
  .price-card.feat:hover{transform:translateY(-4px);}
  .price-card.alt{margin-top:0;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .cat-strip{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .hth-container{padding:0 18px;}
  .sec{padding:62px 0;}
  .hero-title{font-size:clamp(1.85rem,7.4vw,2.6rem);}
  .hero-title em{white-space:normal;}
  .hero-lead{font-size:16.5px;}
  .hero-actions .btn-main,.hero-actions .btn-sub{flex:1 1 100%;}
  .news-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .step-strip{grid-template-columns:1fr;}
  .case-card{flex-direction:column;}
  .case-card img{width:100%;flex:0 0 auto;aspect-ratio:16/10;}
  .cat-card{flex-direction:column;}
  .cat-card img{width:100%;flex:0 0 auto;aspect-ratio:16/10;}
  .cta-band{padding:36px 22px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions a{flex:1 1 100%;}
  .float-cta{
    left:0;right:0;bottom:0;
    flex-direction:row;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));
    background:rgba(247,243,236,.96);
    border-top:1px solid var(--hth-border);
    backdrop-filter:blur(10px);
    gap:10px;
  }
  .float-cta .float-btn{flex:1;justify-content:center;padding:12px 16px;font-size:14px;}
  .float-round{display:none;}
  .hth-footer{padding-top:56px;padding-bottom:calc(66px + env(safe-area-inset-bottom,0px));}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .footer-bottom{padding-bottom:calc(80px + env(safe-area-inset-bottom,0px));}
}
@media (max-width:519.98px){
  .hero-float-card{position:static;width:100%;margin-top:16px;}
  .demo-caption{flex-direction:column;gap:6px;}
  .brand-text span{display:none;}
}

/* roulang page: article */
:root{
  --hth-primary:#2F8F83;
  --hth-primary-deep:#25756B;
  --hth-accent:#D99A4E;
  --hth-brown:#6B4A36;
  --hth-ink:#1F1B16;
  --hth-muted:#5B5148;
  --hth-bg:#F7F3EC;
  --hth-surface:#FFFDF8;
  --hth-border:#E6DED2;
  --hth-footer:#1F1712;
  --hth-shadow:0 8px 30px rgba(43,29,22,.08);
  --hth-shadow-hover:0 16px 48px rgba(43,29,22,.14);
  --hth-radius-sm:12px;
  --hth-radius:18px;
  --hth-radius-lg:28px;

  --bs-primary:#2F8F83;
  --bs-link-color:#25756B;
  --bs-link-hover-color:#2F8F83;
  --bs-border-color:#E6DED2;
  --bs-body-bg:#F7F3EC;
  --bs-body-color:#1F1B16;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--hth-ink);
  background:var(--hth-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--hth-primary-deep);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease;}
a:hover{color:var(--hth-primary);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--hth-accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(47,143,131,.22);}

.hth-container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ---------- header / nav ---------- */
.hth-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,243,236,.9);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid var(--hth-border);
}
.hth-nav{display:flex;align-items:center;gap:18px;min-height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;text-decoration:none;}
.brand:hover{color:inherit;}
.brand-mark{
  position:relative;width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--hth-primary) 0%,var(--hth-primary-deep) 100%);
  color:#fff;font-weight:800;font-size:13px;letter-spacing:.6px;
  box-shadow:0 8px 20px rgba(47,143,131,.26);
}
.brand-mark::after{
  content:"";position:absolute;inset:-5px;border-radius:17px;
  border:1px dashed rgba(217,154,78,.55);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-text b{font-size:15px;font-weight:800;color:var(--hth-ink);letter-spacing:.2px;white-space:nowrap;}
.brand-text span{font-size:11.5px;color:var(--hth-muted);white-space:nowrap;}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;flex:1 1 auto;min-width:0;}
.nav-links a{
  position:relative;padding:8px 10px;font-size:13.5px;font-weight:500;
  color:var(--hth-muted);white-space:nowrap;border-radius:8px;
}
.nav-links a::after{
  content:"";position:absolute;left:10px;right:10px;bottom:1px;height:2px;border-radius:2px;
  background:var(--hth-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--hth-primary-deep);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--hth-primary-deep);font-weight:600;}

.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:300px;height:40px;padding:0 12px;
  background:var(--hth-surface);border:1px solid var(--hth-border);border-radius:var(--hth-radius-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cmd-search i{color:var(--hth-muted);font-size:13px;}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:13.5px;}
.cmd-search input::placeholder{color:#A79C90;}
.cmd-search kbd{
  font-family:inherit;font-size:11px;color:var(--hth-muted);background:#F1EAE0;
  border-radius:6px;padding:2px 6px;border:1px solid var(--hth-border);
}
.cmd-search:focus-within{border-color:var(--hth-primary);box-shadow:0 0 0 4px rgba(217,154,78,.20);}

.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--hth-radius-sm);
  border:1px solid var(--hth-border);background:var(--hth-surface);color:var(--hth-muted);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--hth-primary-deep);border-color:#C9E4DF;background:#EFF8F6;}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--hth-radius-sm);
  background:var(--hth-primary);color:#fff;font-size:13.5px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.btn-main:hover{background:var(--hth-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(47,143,131,.28);}
.btn-main:active{transform:translateY(0);}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--hth-radius-sm);
  border:1px solid #CFE0DC;background:transparent;color:var(--hth-primary-deep);
  font-size:14px;font-weight:600;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:#EFF8F6;color:var(--hth-primary-deep);border-color:var(--hth-primary);transform:translateY(-2px);}

.burger{
  display:none;width:42px;height:42px;place-items:center;border-radius:var(--hth-radius-sm);
  border:1px solid var(--hth-border);background:var(--hth-surface);color:var(--hth-ink);
}

.hth-drawer{background:var(--hth-bg);width:min(340px,86vw) !important;border-left:1px solid var(--hth-border);}
.hth-drawer .offcanvas-header{border-bottom:1px solid var(--hth-border);padding:18px 20px;}
.hth-drawer .offcanvas-body{padding:16px 20px;display:flex;flex-direction:column;}
.drawer-link{
  display:block;padding:14px 4px;border-bottom:1px solid var(--hth-border);
  font-size:15px;color:var(--hth-ink);font-weight:500;
}
.drawer-link:hover{color:var(--hth-primary-deep);}
.drawer-foot{padding:16px 20px calc(20px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--hth-border);}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:54px 0 52px;
  background:linear-gradient(180deg,#FBF8F2 0%,var(--hth-bg) 100%);
  border-bottom:1px solid var(--hth-border);
}
.article-hero::before{
  content:"";position:absolute;top:-180px;right:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,143,131,.14),transparent 70%);
}
.article-hero::after{
  content:"";position:absolute;bottom:-150px;left:-110px;width:340px;height:340px;border-radius:50%;
  border:1px dashed rgba(217,154,78,.35);
}
.article-hero .hth-container{position:relative;z-index:1;}

.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--hth-muted);margin-bottom:20px;}
.crumb a{color:var(--hth-muted);}
.crumb a:hover{color:var(--hth-primary-deep);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--hth-ink);}

.cat-pill{
  display:inline-flex;align-items:center;gap:6px;height:27px;padding:0 13px;border-radius:999px;
  background:#E8F4F1;color:var(--hth-primary-deep);font-size:12.5px;font-weight:600;
}
.article-title{
  font-size:clamp(1.85rem,3.6vw,2.9rem);line-height:1.24;font-weight:800;
  letter-spacing:-.01em;color:var(--hth-ink);margin:16px 0 20px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:13.5px;color:var(--hth-muted);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--hth-primary);font-size:12px;}
.article-meta a{color:var(--hth-primary-deep);font-weight:600;}

/* ---------- article body ---------- */
.article-main{padding:56px 0 72px;}
.article-layout{
  display:grid;grid-template-columns:236px minmax(0,820px);
  gap:64px;align-items:start;justify-content:center;
}

.toc-card{
  position:sticky;top:96px;
  border:1px solid var(--hth-border);background:var(--hth-surface);
  border-radius:var(--hth-radius);padding:18px;box-shadow:var(--hth-shadow);
}
.toc-title{
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--hth-muted);
  text-transform:uppercase;margin:0 0 12px;padding-left:10px;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:7px 10px;font-size:13px;line-height:1.5;color:var(--hth-muted);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
}
.toc-list a:hover{color:var(--hth-primary-deep);background:#F2F8F7;}
.toc-list a.lvl-3{padding-left:24px;font-size:12.5px;}
.toc-list a.is-current{
  color:var(--hth-primary-deep);border-left-color:var(--hth-primary);
  background:#EFF8F6;font-weight:600;
}
.toc-toggle{
  display:none;width:100%;align-items:center;justify-content:space-between;
  padding:16px 18px;background:transparent;border:0;
  font-size:14px;font-weight:600;color:var(--hth-ink);
}
.toc-toggle i{color:var(--hth-primary);}
.toc-chev{transition:transform .25s ease;font-size:12px;}
.toc-toggle[aria-expanded="true"] .toc-chev{transform:rotate(180deg);}

.article-content{max-width:820px;font-size:17px;line-height:1.9;color:#2A241E;}
.article-content > *:first-child{margin-top:0;}
.article-content h2{
  font-size:clamp(1.4rem,2.4vw,1.85rem);line-height:1.32;font-weight:800;
  margin:2.3em 0 .8em;color:var(--hth-ink);scroll-margin-top:96px;
}
.article-content h2::before{
  content:"";display:block;width:44px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--hth-primary),var(--hth-accent));
  margin-bottom:16px;
}
.article-content h3{
  font-size:1.25rem;line-height:1.45;font-weight:700;
  margin:1.8em 0 .6em;color:var(--hth-ink);scroll-margin-top:96px;
}
.article-content h4{font-size:1.08rem;font-weight:700;margin:1.5em 0 .5em;}
.article-content p{margin:0 0 1.35em;}
.article-content a{font-weight:500;text-decoration:underline;text-underline-offset:3px;}
.article-content strong{font-weight:700;color:var(--hth-ink);}
.article-content ul,.article-content ol{padding-left:1.4em;margin:0 0 1.45em;}
.article-content li{margin-bottom:.6em;}
.article-content li::marker{color:var(--hth-primary);}
.article-content blockquote{
  margin:1.7em 0;padding:18px 22px;border-left:3px solid var(--hth-primary);
  background:var(--hth-surface);border-radius:0 var(--hth-radius-sm) var(--hth-radius-sm) 0;
  color:var(--hth-muted);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content figure{margin:1.8em 0;}
.article-content figure img{border-radius:var(--hth-radius);border:1px solid var(--hth-border);margin:0 auto;}
.article-content figcaption{
  font-size:13px;color:var(--hth-muted);text-align:center;margin-top:12px;
}
.article-content img{border-radius:var(--hth-radius);margin:1.7em auto;}
.article-content table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.7em 0;
  font-size:.95rem;border:1px solid var(--hth-border);border-radius:var(--hth-radius-sm);
  overflow:hidden;background:var(--hth-surface);
}
.article-content th,.article-content td{padding:12px 16px;border-bottom:1px solid var(--hth-border);text-align:left;}
.article-content th{background:#EFF8F6;color:var(--hth-primary-deep);font-weight:700;font-size:14px;}
.article-content tr:last-child td{border-bottom:0;}
.article-content pre{
  background:#FFF9EF;border:1px solid var(--hth-border);border-radius:var(--hth-radius-sm);
  padding:16px 18px;overflow:auto;font-size:14px;line-height:1.7;margin:1.7em 0;
}
.article-content code{background:#FFF9EF;border-radius:6px;padding:2px 6px;font-size:.92em;}
.article-content pre code{background:transparent;padding:0;}
.article-content hr{border:0;height:1px;background:var(--hth-border);margin:2.5em 0;}

.empty-state{
  text-align:center;padding:64px 28px;border:1px dashed var(--hth-border);
  border-radius:var(--hth-radius-lg);background:var(--hth-surface);
}
.empty-state i{font-size:36px;color:var(--hth-primary);}
.empty-state h2{font-size:1.4rem;font-weight:800;margin:18px 0 10px;}
.empty-state p{color:var(--hth-muted);margin:0 0 24px;font-size:15px;}

/* ---------- related ---------- */
.section-head{max-width:660px;margin-bottom:8px;}
.section-head .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--hth-primary);margin-bottom:14px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;margin:0 0 12px;line-height:1.28;letter-spacing:-.01em;}
.section-head p{color:var(--hth-muted);margin:0;font-size:15px;}

.related{padding:0 0 88px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:36px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--hth-surface);
  border:1px solid var(--hth-border);border-radius:var(--hth-radius);overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--hth-shadow-hover);border-color:#CFE5E1;color:inherit;}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:#EDE5D9;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-cat{align-self:flex-start;font-size:12px;font-weight:600;color:var(--hth-primary-deep);background:#E8F4F1;border-radius:999px;padding:3px 11px;}
.rel-title{
  font-size:16px;font-weight:700;line-height:1.5;color:var(--hth-ink);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover .rel-title{color:var(--hth-primary-deep);}
.rel-meta{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--hth-muted);}
.back-row{display:flex;justify-content:center;margin-top:46px;}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 96px;}
.cta-inner{
  display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;
  background:linear-gradient(135deg,#EAF6F3 0%,#FFF8EC 100%);
  border:1px solid #DCEAE6;border-radius:var(--hth-radius-lg);padding:44px 48px;
}
.cta-inner h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:800;margin:0 0 10px;line-height:1.3;}
.cta-inner p{margin:0;color:var(--hth-muted);font-size:15px;max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1020;
  display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 22px;
  border-radius:999px;background:var(--hth-primary);color:#fff;
  font-size:14px;font-weight:600;
  box-shadow:0 16px 34px rgba(47,143,131,.34);
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
}
.float-cta:hover{background:var(--hth-primary-deep);color:#fff;transform:translateY(-3px);box-shadow:0 20px 40px rgba(47,143,131,.4);}

/* ---------- footer ---------- */
.hth-footer{background:var(--hth-footer);color:#EFE6DA;padding:64px 0 28px;font-size:14px;}
.hth-footer .top-line{height:3px;width:72px;border-radius:3px;background:linear-gradient(90deg,var(--hth-primary),var(--hth-accent));margin-bottom:44px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-brand .brand-text b{color:#FFFDF8;}
.footer-brand .brand-text span{color:rgba(239,230,218,.6);}
.hth-footer p{color:rgba(239,230,218,.72);line-height:1.85;margin:0;max-width:360px;}
.hth-footer h5{font-size:14px;font-weight:700;color:#FFFDF8;margin:0 0 18px;}
.hth-footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.hth-footer a{color:rgba(239,230,218,.72);font-size:13.5px;}
.hth-footer a:hover{color:#7FD3C7;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,253,248,.12);
  font-size:12.5px;color:rgba(239,230,218,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1340px){
  .cmd-search{width:210px;}
  .nav-links a{padding:8px;font-size:13px;}
}
@media (max-width:1199px){
  .cmd-search,.icon-btn{display:none;}
}
@media (max-width:1099px){
  .nav-links{display:none;}
  .burger{display:grid;}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:26px;}
  .toc-card{position:static;padding:0;overflow:hidden;}
  .toc-toggle{display:flex;}
  .toc-body{display:none;padding:0 18px 16px;}
  .toc-body.open{display:block;}
  .toc-title{display:none;}
}
@media (min-width:1024px){
  .toc-body{display:block;}
}
@media (max-width:991px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-inner{padding:34px 28px;}
}
@media (max-width:767px){
  .hth-container{padding:0 18px;}
  .article-hero{padding:38px 0 34px;}
  .article-main{padding:40px 0 56px;}
  .article-content{font-size:16px;line-height:1.85;}
  .related{padding-bottom:64px;}
  .cta-band{padding-bottom:72px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575px){
  .related-grid{
    display:flex;overflow-x:auto;gap:16px;padding-bottom:10px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .rel-card{flex:0 0 82%;scroll-snap-align:start;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 auto;}
  .float-cta{
    left:14px;right:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));
    justify-content:center;height:52px;border-radius:14px;
  }
  body{padding-bottom:78px;}
  .article-title{font-size:1.6rem;}
}

/* roulang page: category1 */
:root{
  --hth-primary:#2F8F83;
  --hth-primary-deep:#25756B;
  --hth-primary-light:#86D6C8;
  --hth-accent:#D99A4E;
  --hth-brown:#6B4A36;
  --hth-ink:#1F1B16;
  --hth-muted:#5B5148;
  --hth-bg:#F7F3EC;
  --hth-surface:#FFFDF8;
  --hth-border:#E6DED2;
  --hth-footer:#1F1712;
  --hth-shadow:0 8px 30px rgba(43,29,22,.08);
  --hth-shadow-hover:0 16px 48px rgba(43,29,22,.14);
  --hth-r-btn:12px;
  --hth-r-card:18px;
  --hth-r-lg:28px;

  --bs-primary:#2F8F83;
  --bs-link-color:#25756B;
  --bs-link-hover-color:#2F8F83;
  --bs-border-color:#E6DED2;
  --bs-body-bg:#F7F3EC;
  --bs-body-color:#1F1B16;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  background:var(--hth-bg);
  color:var(--hth-ink);
  font-size:16.5px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--hth-primary-deep);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
a:hover{color:var(--hth-primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.25;letter-spacing:.01em}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--hth-accent);outline-offset:2px}

.hth-container{width:100%;max-width:1260px;margin:0 auto;padding:0 24px}

/* ============ HEADER ============ */
.hth-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(247,243,236,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--hth-border);
}
.hth-nav{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg,var(--hth-primary),var(--hth-primary-deep));
  color:#fff;font-weight:800;font-size:.82rem;letter-spacing:.06em;
  box-shadow:0 6px 18px rgba(47,143,131,.32);
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;right:-5px;bottom:-5px;
  width:16px;height:16px;border-radius:50%;
  border:3px solid var(--hth-accent);
  background:transparent;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:1rem;font-weight:800;color:var(--hth-ink);white-space:nowrap}
.brand-text span{font-size:11.5px;color:var(--hth-muted);white-space:nowrap}

.nav-links{
  display:flex;align-items:center;gap:2px;
  flex:1 1 auto;min-width:0;
  overflow-x:auto;scrollbar-width:none;
}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{
  position:relative;
  padding:9px 9px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--hth-muted);white-space:nowrap;
}
.nav-links a:hover{color:var(--hth-primary-deep);background:rgba(47,143,131,.08)}
.nav-links a.active{color:var(--hth-primary-deep);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:1px;height:2px;border-radius:2px;
  background:var(--hth-primary);
}

.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.cmd-search{
  display:flex;align-items:center;gap:9px;
  width:300px;height:40px;padding:0 12px;
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-r-btn);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cmd-search:focus-within{border-color:var(--hth-primary);box-shadow:0 0 0 3px rgba(217,154,78,.28)}
.cmd-search i{color:var(--hth-muted);font-size:13px}
.cmd-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:13.5px;color:var(--hth-ink);
}
.cmd-search input::placeholder{color:#9A9086}
.cmd-search kbd{
  font-family:inherit;font-size:11px;padding:2px 6px;border-radius:6px;
  background:#F2EDE4;border:1px solid var(--hth-border);color:var(--hth-muted);
}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--hth-r-btn);
  border:1px solid var(--hth-border);background:var(--hth-surface);
  color:var(--hth-muted);font-size:14px;
}
.icon-btn:hover{color:var(--hth-primary-deep);border-color:var(--hth-primary);background:#F3FAF8}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border:1px solid transparent;
  background:var(--hth-primary);color:#fff;
  font-size:14.5px;font-weight:700;border-radius:var(--hth-r-btn);
  box-shadow:0 6px 18px rgba(47,143,131,.24);
  cursor:pointer;
}
.btn-main:hover{background:var(--hth-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(47,143,131,.3)}
.btn-main:active{transform:translateY(0)}
.nav-cta{padding:10px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border:1px solid var(--hth-brown);
  background:transparent;color:var(--hth-brown);
  font-size:14.5px;font-weight:700;border-radius:var(--hth-r-btn);cursor:pointer;
}
.btn-ghost:hover{background:rgba(47,143,131,.09);color:var(--hth-primary-deep);border-color:var(--hth-primary);transform:translateY(-2px)}
.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border:1px solid var(--hth-border);
  background:var(--hth-surface);color:var(--hth-brown);
  font-size:14.5px;font-weight:700;border-radius:var(--hth-r-btn);cursor:pointer;
}
.btn-soft:hover{border-color:var(--hth-primary);color:var(--hth-primary-deep);background:#F3FAF8}
.burger{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--hth-r-btn);
  border:1px solid var(--hth-border);background:var(--hth-surface);
  color:var(--hth-ink);font-size:16px;cursor:pointer;
}

/* ============ DRAWER ============ */
.hth-drawer{background:var(--hth-bg);width:320px}
.hth-drawer .offcanvas-header{border-bottom:1px solid var(--hth-border);padding:20px 22px}
.hth-drawer .offcanvas-body{padding:18px 22px;display:flex;flex-direction:column}
.drawer-links{display:flex;flex-direction:column;gap:2px;flex:1 1 auto}
.drawer-links a{
  padding:13px 12px;border-radius:12px;font-size:15.5px;font-weight:600;color:var(--hth-ink);
}
.drawer-links a:hover{background:rgba(47,143,131,.09);color:var(--hth-primary-deep)}
.drawer-links a.active{background:rgba(47,143,131,.12);color:var(--hth-primary-deep)}
.drawer-cta{padding-top:16px;border-top:1px solid var(--hth-border)}

/* ============ HERO ============ */
.page-hero{position:relative;padding:52px 0 80px;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;top:-160px;right:-160px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,143,131,.16),transparent 62%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;bottom:-80px;left:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,154,78,.14),transparent 65%);
  pointer-events:none;
}
.crumbs{
  position:relative;z-index:2;
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:13.5px;color:var(--hth-muted);margin-bottom:26px;
}
.crumbs a{color:var(--hth-muted)}
.crumbs a:hover{color:var(--hth-primary-deep)}
.crumbs .sep{color:#BDB3A5}
.crumbs .cur{color:var(--hth-primary-deep);font-weight:600}

.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;
}
.pill-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;
  background:rgba(47,143,131,.12);color:var(--hth-primary-deep);
  font-size:13px;font-weight:700;letter-spacing:.02em;margin-bottom:20px;
}
.pill-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--hth-primary)}
.page-hero h1{
  font-size:clamp(2.1rem,4.4vw,3.5rem);
  line-height:1.15;font-weight:800;letter-spacing:-.01em;
}
.page-hero h1 em{font-style:normal;color:var(--hth-primary-deep)}
.hero-sub{
  margin-top:22px;max-width:640px;
  font-size:17px;line-height:1.9;color:var(--hth-muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-badges li{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;
  background:var(--hth-surface);border:1px solid var(--hth-border);
  font-size:13.5px;color:var(--hth-brown);font-weight:600;
}
.hero-badges i{color:var(--hth-primary);font-size:12px}

.hero-media{position:relative;padding-bottom:36px}
.hero-media>img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--hth-r-lg);border:1px solid var(--hth-border);
  box-shadow:var(--hth-shadow);
}
.media-card{
  position:absolute;left:-22px;bottom:0;
  display:flex;align-items:center;gap:14px;
  padding:14px 18px;max-width:330px;
  background:var(--hth-surface);border:1px solid var(--hth-border);
  border-radius:var(--hth-r-card);box-shadow:var(--hth-shadow-hover);
}
.media-card img{width:76px;height:58px;object-fit:cover;border-radius:12px}
.media-card b{display:block;font-size:14px;color:var(--hth-ink)}
.media-card span{display:block;font-size:12.5px;color:var(--hth-muted);line-height:1.6;margin-top:3px}

/* ============ SECTIONS ============ */
.section{padding:96px 0}
.section.tight{padding:76px 0}
.section-head{max-width:760px;margin-bottom:52px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--hth-accent);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--hth-accent)}
.sec-title{font-size:clamp(1.6rem,3.1vw,2.4rem);line-height:1.22}
.sec-sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:var(--hth-muted)}

/* 范围说明 */
.scope-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:44px;align-items:start}
.scope-panel{
  background:var(--hth-surface);border:1px solid var(--hth-border);
  border-radius:var(--hth-r-lg);padding:38px 40px;box-shadow:var(--hth-shadow);
}
.scope-panel p+p{margin-top:16px}
.scope-panel p{color:var(--hth-muted);font-size:16px;line-height:1.9}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag-cloud span{
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(47,143,131,.1);color:var(--hth-primary-deep);
}
.side-list{background:var(--hth-surface);border:1px solid var(--hth-border);border-radius:var(--hth-r-card);padding:30px 30px 26px;box-shadow:var(--hth-shadow)}
.side-list h3{font-size:17px;margin-bottom:18px}
.side-list li{display:flex;gap:12px;padding:11px 0;border-top:1px dashed var(--hth-border);font-size:15px;color:var(--hth-muted)}
.side-list li:first-child{border-top:0;padding-top:0}
.side-list li i{color:var(--hth-primary);margin-top:6px;font-size:12px;flex:0 0 auto}

/* 准备清单 */
.prep-grid{display:grid;grid-template-columns:.9fr 1.35fr;gap:48px;align-items:start}
.check-card{
  background:var(--hth-surface);border:1px solid var(--hth-border);
  border-radius:var(--hth-r-lg);padding:12px 34px;box-shadow:var(--hth-shadow);
}
.check-card li{
  display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--hth-border);
}
.check-card li:last-child{border-bottom:0}
.check-card .ck{
  flex:0 0 auto;width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(47,143,131,.12);color:var(--hth-primary-deep);font-size:13px;
}
.check-card h4{font-size:16.5px;margin-bottom:6px}
.check-card p{font-size:14.8px;color:var(--hth-muted);line-height:1.8}

/* 步骤时间线 */
.step-list{position:relative;padding-left:8px;max-width:920px}
.step-list::before{
  content:"";position:absolute;left:31px;top:14px;bottom:22px;width:2px;
  background:linear-gradient(180deg,var(--hth-primary),rgba(47,143,131,.12));
}
.step-list li{position:relative;display:flex;gap:26px;padding-bottom:38px}
.step-list li:last-child{padding-bottom:0}
.step-num{
  position:relative;z-index:2;flex:0 0 auto;
  width:64px;height:64px;border-radius:20px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--hth-surface);border:1px solid var(--hth-border);
  color:var(--hth-primary-deep);font-size:19px;font-weight:800;
  box-shadow:var(--hth-shadow);
}
.step-body{padding-top:6px}
.step-body h3{font-size:19px;margin-bottom:10px}
.step-body p{color:var(--hth-muted);font-size:15.6px;line-height:1.85;max-width:680px}
.dot-list{margin-top:12px;display:grid;gap:8px}
.dot-list li{display:flex;gap:10px;font-size:14.8px;color:var(--hth-muted);padding:0}
.dot-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--hth-accent);margin-top:11px;flex:0 0 auto}

/* 对照表 */
.table-wrap{
  overflow-x:auto;border:1px solid var(--hth-border);
  border-radius:var(--hth-r-card);background:var(--hth-surface);box-shadow:var(--hth-shadow);
}
table.compare{width:100%;min-width:760px;border-collapse:collapse}
table.compare caption{
  text-align:left;padding:22px 26px 6px;font-size:13.5px;color:var(--hth-muted);
}
table.compare th{
  text-align:left;padding:16px 26px;font-size:14px;font-weight:700;
  color:var(--hth-brown);background:#F3EEE5;white-space:nowrap;
}
table.compare td{
  padding:18px 26px;border-top:1px solid var(--hth-border);
  font-size:15px;color:var(--hth-muted);line-height:1.8;vertical-align:top;
}
table.compare td:first-child{color:var(--hth-ink);font-weight:700}
table.compare tbody tr:hover td{background:rgba(47,143,131,.05)}
.tip-line{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:22px;padding:18px 22px;
  background:rgba(217,154,78,.1);border:1px solid rgba(217,154,78,.35);border-radius:var(--hth-r-card);
  font-size:14.6px;color:var(--hth-brown);line-height:1.8;
}
.tip-line i{color:var(--hth-accent);margin-top:5px}

/* 适用场景 错位网格 */
.scene-band{
  background-image:linear-gradient(rgba(247,243,236,.93),rgba(247,243,236,.97)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-top:1px solid var(--hth-border);border-bottom:1px solid var(--hth-border);
}
.scene-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:26px}
.scene-card{
  background:var(--hth-surface);border:1px solid var(--hth-border);
  border-radius:var(--hth-r-card);padding:30px 30px 28px;
  box-shadow:var(--hth-shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-hover);border-color:rgba(47,143,131,.4)}
.scene-card .ic{
  width:46px;height:46px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(47,143,131,.12);color:var(--hth-primary-deep);font-size:17px;margin-bottom:18px;
}
.scene-card h3{font-size:17.5px;margin-bottom:10px}
.scene-card p{font-size:14.8px;color:var(--hth-muted);line-height:1.85}
.scene-card.span-3{grid-column:span 3}
.scene-card.span-2{grid-column:span 2}
.scene-card.span-4{grid-column:span 4}
.scene-card.with-img{padding:0;overflow:hidden;display:flex;flex-direction:column}
.scene-card.with-img img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--hth-border)}
.scene-card.with-img .body{padding:26px 30px 28px}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.85fr 1.35fr;gap:48px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--hth-surface);border:1px solid var(--hth-border);
  border-radius:var(--hth-r-card);overflow:hidden;transition:box-shadow .25s ease;
}
.faq-item:hover{box-shadow:var(--hth-shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;
  text-align:left;font-size:16px;font-weight:700;color:var(--hth-ink);cursor:pointer;
  box-shadow:inset 0 0 0 0 var(--hth-primary);transition:box-shadow .2s ease,color .2s ease;
}
.faq-q:hover{color:var(--hth-primary-deep)}
.faq-q:not(.collapsed){box-shadow:inset 3px 0 0 0 var(--hth-primary);color:var(--hth-primary-deep)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--hth-muted);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease,background .25s ease;
}
.faq-icon::before{width:13px;height:2px}
.faq-icon::after{width:2px;height:13px}
.faq-q:not(.collapsed) .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-q:not(.collapsed) .faq-icon::before{background:var(--hth-primary)}
.faq-a{padding:0 24px 22px;font-size:15.2px;color:var(--hth-muted);line-height:1.9}

/* 相关阅读 */
.related-list{
  display:grid;gap:14px;
}
.related-item{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;background:var(--hth-surface);
  border:1px solid var(--hth-border);border-radius:var(--hth-r-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.related-item:hover{transform:translateY(-3px);box-shadow:var(--hth-shadow-hover);border-color:rgba(47,143,131,.4)}
.related-item .txt b{display:block;font-size:16px;color:var(--hth-ink);margin-bottom:6px}
.related-item .txt span{font-size:14px;color:var(--hth-muted)}
.related-item i{color:var(--hth-primary);transition:transform .25s ease}
.related-item:hover i{transform:translateX(5px)}

/* CTA */
.cta-band{
  margin:0 auto;max-width:1260px;
  padding:0 24px;
}
.cta-inner{
  display:grid;grid-template-columns:1.3fr .9fr;gap:40px;align-items:center;
  padding:56px 60px;
  background:linear-gradient(120deg,rgba(47,143,131,.14),rgba(217,154,78,.12));
  border:1px solid var(--hth-border);border-radius:var(--hth-r-lg);
}
.cta-inner h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.28}
.cta-inner p{margin-top:16px;color:var(--hth-muted);font-size:16px;line-height:1.85;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:22px;bottom:26px;z-index:1035;
  display:flex;align-items:center;gap:10px;
  padding:10px;border-radius:999px;
  background:rgba(255,253,248,.94);
  border:1px solid var(--hth-border);
  box-shadow:var(--hth-shadow-hover);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.float-cta .btn-main{padding:10px 18px;font-size:14px}
.float-cta .btn-ghost{padding:10px 18px;font-size:14px}

/* ============ FOOTER ============ */
.hth-footer{background:var(--hth-footer);color:#F2EBE1;margin-top:96px;padding:72px 0 32px}
.top-line{height:4px;width:96px;border-radius:4px;background:linear-gradient(90deg,var(--hth-primary),var(--hth-accent));margin-bottom:46px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text span{color:rgba(242,235,225,.6)}
.hth-footer p{margin-top:18px;font-size:14.6px;line-height:1.9;color:rgba(242,235,225,.72);max-width:420px}
.hth-footer h5{font-size:15px;font-weight:700;color:#fff;margin-bottom:20px}
.hth-footer ul li+li{margin-top:11px}
.hth-footer ul a{color:rgba(242,235,225,.76);font-size:14.6px}
.hth-footer ul a:hover{color:var(--hth-primary-light)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:rgba(242,235,225,.6);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1399.98px){
  .cmd-search{width:250px}
  .nav-links a{padding:9px 7px;font-size:13.5px}
}
@media (max-width:1199.98px){
  .nav-links{display:none}
  .cmd-search{display:none}
  .burger{display:inline-flex}
  .hth-nav{justify-content:space-between}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-media{padding-bottom:0}
  .media-card{position:static;margin-top:18px;max-width:none}
  .scope-grid,.prep-grid,.faq-grid{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;padding:44px 40px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .section.tight{padding:60px 0}
  .scene-grid{grid-template-columns:repeat(4,1fr)}
  .scene-card.span-3,.scene-card.span-4{grid-column:span 4}
  .scene-card.span-2{grid-column:span 2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .scope-panel{padding:30px 26px}
  .check-card{padding:8px 24px}
}
@media (max-width:767.98px){
  .hth-container{padding:0 18px}
  .page-hero{padding:36px 0 60px}
  .hero-sub{font-size:15.8px}
  .section{padding:60px 0}
  .section-head{margin-bottom:36px}
  .scene-grid{grid-template-columns:1fr;gap:20px}
  .scene-card.span-2,.scene-card.span-3,.scene-card.span-4{grid-column:span 1}
  .step-list::before{left:26px}
  .step-num{width:54px;height:54px;border-radius:16px;font-size:16px}
  .step-list li{gap:18px}
  .cta-inner{padding:36px 26px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    justify-content:center;gap:10px;
  }
  .float-cta .btn-main,.float-cta .btn-ghost{flex:1 1 auto;padding:11px 14px;font-size:14px}
  .hth-footer{padding-bottom:96px}
  .related-item{flex-direction:column;align-items:flex-start;gap:10px}
  .related-item i{align-self:flex-end}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .brand-text span{display:none}
  .footer-grid{grid-template-columns:1fr}
  .hero-badges li{font-size:12.8px;padding:7px 12px}
  .hero-actions{gap:10px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .check-card{padding:4px 18px}
  table.compare th,table.compare td{padding:14px 18px}
  .hth-footer{margin-top:64px}
}

/* roulang page: category2 */
:root{
  --hth-primary:#2F8F83;
  --hth-primary-deep:#25756B;
  --hth-accent:#D99A4E;
  --hth-brown:#6B4A36;
  --hth-ink:#1F1B16;
  --hth-muted:#5B5148;
  --hth-bg:#F7F3EC;
  --hth-surface:#FFFDF8;
  --hth-border:#E6DED2;
  --hth-footer:#1F1712;
  --hth-shadow:0 8px 30px rgba(43,29,22,.08);
  --hth-shadow-hover:0 16px 48px rgba(43,29,22,.14);
  --hth-radius-sm:12px;
  --hth-radius:18px;
  --hth-radius-lg:28px;
  --bs-primary:#2F8F83;
  --bs-primary-rgb:47,143,131;
  --bs-link-color:#25756B;
  --bs-link-hover-color:#2F8F83;
  --bs-border-color:#E6DED2;
  --bs-body-bg:#F7F3EC;
  --bs-body-color:#1F1B16;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  background:var(--hth-bg);
  color:var(--hth-ink);
  font-size:17px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--hth-primary-deep);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--hth-primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:750;letter-spacing:.2px}
p{margin:0 0 16px}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--hth-accent);outline-offset:3px;border-radius:6px}

.hth-container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- 头部导航 ---------- */
.hth-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(247,243,236,.9);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--hth-border);
}
.hth-nav{
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--hth-ink);
}
.brand:hover{color:var(--hth-ink)}
.brand-mark{
  width:40px;height:40px;
  border-radius:13px;
  background:linear-gradient(140deg,var(--hth-primary),var(--hth-primary-deep));
  color:#fff;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.6px;
  display:grid;
  place-items:center;
  box-shadow:0 6px 16px rgba(47,143,131,.28);
  position:relative;
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:-4px;bottom:-4px;
  width:13px;height:13px;
  border-radius:50%;
  border:2.5px solid var(--hth-accent);
  background:var(--hth-bg);
}
.brand-text b{display:block;font-size:15px;font-weight:750;line-height:1.25;white-space:nowrap}
.brand-text span{display:block;font-size:11px;color:var(--hth-muted);line-height:1.45;white-space:nowrap}

.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0 auto;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 11px;
  border-radius:10px;
  font-size:14px;
  color:var(--hth-muted);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--hth-primary-deep);background:rgba(47,143,131,.08)}
.nav-links a.active{color:var(--hth-primary-deep);font-weight:650}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:11px;right:11px;bottom:1px;
  height:2px;
  border-radius:2px;
  background:var(--hth-primary);
}

.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.cmd-search{
  position:relative;
  display:flex;
  align-items:center;
  width:250px;
  height:40px;
  padding:0 12px;
  border:1px solid var(--hth-border);
  border-radius:12px;
  background:#FFFDF8;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cmd-search i{font-size:13px;color:var(--hth-muted)}
.cmd-search input{
  flex:1;
  min-width:0;
  border:0;
  outline:0;
  background:transparent;
  font-size:13.5px;
  color:var(--hth-ink);
  padding:0 8px;
}
.cmd-search input::placeholder{color:#9C9188}
.cmd-search kbd{
  font-size:11px;
  color:var(--hth-muted);
  background:var(--hth-bg);
  border:1px solid var(--hth-border);
  border-radius:6px;
  padding:2px 6px;
  font-family:inherit;
}
.cmd-search:focus-within{
  border-color:var(--hth-primary);
  box-shadow:0 0 0 4px rgba(217,154,78,.22);
}
.icon-btn{
  width:40px;height:40px;
  display:grid;
  place-items:center;
  border:1px solid var(--hth-border);
  border-radius:12px;
  background:var(--hth-surface);
  color:var(--hth-muted);
  transition:.2s ease;
}
.icon-btn:hover{color:var(--hth-primary-deep);border-color:var(--hth-primary);transform:translateY(-1px)}

.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border:1px solid transparent;
  border-radius:12px;
  background:var(--hth-primary);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  line-height:1.4;
  cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
  box-shadow:0 6px 18px rgba(47,143,131,.24);
}
.btn-main:hover{background:var(--hth-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(47,143,131,.3)}
.btn-main:active{transform:translateY(0)}
.btn-sub{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border:1px solid var(--hth-brown);
  border-radius:12px;
  background:var(--hth-surface);
  color:var(--hth-brown);
  font-size:14.5px;
  font-weight:600;
  cursor:pointer;
  transition:.2s ease;
}
.btn-sub:hover{background:rgba(47,143,131,.1);border-color:var(--hth-primary);color:var(--hth-primary-deep);transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:11px 18px;
  border:1px solid transparent;
  border-radius:12px;
  background:transparent;
  color:var(--hth-primary-deep);
  font-size:14.5px;
  font-weight:600;
  cursor:pointer;
  transition:.2s ease;
}
.btn-ghost:hover{background:rgba(47,143,131,.1);color:var(--hth-primary-deep)}
.nav-cta{padding:10px 18px;font-size:14px}
.burger{
  display:none;
  width:40px;height:40px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--hth-border);
  border-radius:12px;
  background:var(--hth-surface);
  color:var(--hth-ink);
  font-size:16px;
  cursor:pointer;
}

/* ---------- 抽屉 ---------- */
.offcanvas.hth-drawer{
  background:var(--hth-bg);
  width:320px;
  border-left:1px solid var(--hth-border);
}
.hth-drawer .offcanvas-header{border-bottom:1px solid var(--hth-border);padding:18px 22px}
.hth-drawer .offcanvas-body{padding:18px 22px;display:flex;flex-direction:column;gap:8px}
.hth-drawer a.drawer-link{
  display:block;
  padding:13px 14px;
  border-radius:12px;
  color:var(--hth-ink);
  font-size:15px;
  border:1px solid transparent;
}
.hth-drawer a.drawer-link:hover{background:rgba(47,143,131,.09);border-color:var(--hth-border)}
.hth-drawer a.drawer-link.active{background:rgba(47,143,131,.12);color:var(--hth-primary-deep);font-weight:650;border-color:var(--hth-border)}
.hth-drawer .drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--hth-border)}

/* ---------- 通用区块 ---------- */
.section{padding:100px 0}
.section-sm{padding:72px 0}
.sec-head{max-width:820px;margin-bottom:46px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:650;
  letter-spacing:1px;
  color:var(--hth-primary-deep);
  background:rgba(47,143,131,.1);
  border-radius:999px;
  padding:6px 14px;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--hth-accent);
}
.sec-head h2{
  font-size:clamp(1.6rem,3.2vw,2.5rem);
  line-height:1.2;
  margin:16px 0 14px;
}
.sec-head p{color:var(--hth-muted);margin:0;font-size:16.5px}
.section-alt{background:var(--hth-surface);border-top:1px solid var(--hth-border);border-bottom:1px solid var(--hth-border)}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--hth-muted);margin-bottom:20px;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--hth-muted)}
.crumb a:hover{color:var(--hth-primary-deep)}
.crumb .sep{color:#B7AB9D}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  padding:72px 0 84px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  top:-160px;right:-140px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(47,143,131,.16),rgba(47,143,131,0) 68%);
  pointer-events:none;
}
.cat-hero h1{
  font-size:clamp(2.1rem,4.4vw,3.4rem);
  line-height:1.18;
  font-weight:800;
  margin:18px 0 20px;
}
.cat-hero h1 em{
  font-style:normal;
  color:var(--hth-primary-deep);
  background:linear-gradient(180deg,transparent 62%,rgba(217,154,78,.32) 62%);
}
.cat-hero .lead{
  font-size:17px;
  color:var(--hth-muted);
  max-width:600px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border:1px solid var(--hth-border);
  border-radius:999px;
  background:var(--hth-surface);
  font-size:13px;
  color:var(--hth-muted);
}
.hero-points i{color:var(--hth-primary);font-size:12px}

.hero-visual{
  position:relative;
  border-radius:var(--hth-radius-lg);
  overflow:hidden;
  border:1px solid var(--hth-border);
  box-shadow:var(--hth-shadow);
  aspect-ratio:16/11;
  background:#EDE6DA;
  margin:0;
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual .veil{
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,rgba(31,23,18,.06),rgba(31,23,18,.52));
}
.hero-visual .stat-chip{
  position:absolute;
  left:18px;bottom:18px;
  right:18px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.hero-visual .stat-chip span{
  background:rgba(255,253,248,.94);
  border:1px solid rgba(230,222,210,.9);
  border-radius:999px;
  padding:7px 14px;
  font-size:12.5px;
  color:var(--hth-ink);
  font-weight:600;
}
.hero-float-card{
  position:absolute;
  top:18px;left:18px;
  width:164px;
  border-radius:16px;
  overflow:hidden;
  border:2px solid rgba(255,253,248,.92);
  box-shadow:var(--hth-shadow);
}
.hero-float-card img{width:100%;height:104px;object-fit:cover}
.hero-float-card figcaption{
  background:rgba(255,253,248,.96);
  font-size:11.5px;
  color:var(--hth-muted);
  padding:6px 9px;
  line-height:1.45;
}

/* ---------- 问题类型卡片（错位网格） ---------- */
.prob-card{
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-radius);
  padding:30px 28px;
  height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.prob-card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-hover);border-color:#D7CCBC}
.prob-card .ico{
  width:46px;height:46px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:rgba(47,143,131,.12);
  color:var(--hth-primary-deep);
  font-size:18px;
  margin-bottom:18px;
}
.prob-card h3{font-size:19px;margin-bottom:10px}
.prob-card p{color:var(--hth-muted);font-size:15px;margin-bottom:14px}
.prob-card .micro{
  font-size:13.5px;
  font-weight:650;
  color:var(--hth-primary-deep);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.prob-card .micro:hover{gap:10px}
.prob-card.tall{padding:38px 32px}
.prob-card.tall h3{font-size:22px}
.prob-card.accent{background:linear-gradient(155deg,#FFFDF8,#F2EDE2)}

/* ---------- 双栏图文 ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.duo.reverse .duo-media{order:2}
.duo-media{
  border-radius:var(--hth-radius-lg);
  overflow:hidden;
  border:1px solid var(--hth-border);
  box-shadow:var(--hth-shadow);
  aspect-ratio:16/11;
  background:#EDE6DA;
  margin:0;
}
.duo-media img{width:100%;height:100%;object-fit:cover}
.duo-body h3{font-size:clamp(1.3rem,2.4vw,1.7rem);margin-bottom:14px;line-height:1.35}
.duo-body p{color:var(--hth-muted);font-size:16px}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--hth-ink)}
.check-list i{
  flex:0 0 auto;
  margin-top:5px;
  width:20px;height:20px;
  border-radius:6px;
  display:grid;
  place-items:center;
  font-size:10px;
  background:rgba(47,143,131,.14);
  color:var(--hth-primary-deep);
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:10px}
.timeline::before{
  content:"";
  position:absolute;
  left:23px;top:12px;bottom:12px;
  width:2px;
  background:linear-gradient(180deg,var(--hth-primary),rgba(47,143,131,.12));
}
.tl-item{position:relative;padding:0 0 30px 70px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;
  left:0;top:0;
  width:48px;height:48px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  color:var(--hth-primary-deep);
  font-weight:750;
  font-size:15px;
  box-shadow:var(--hth-shadow);
}
.tl-item h4{font-size:18px;margin-bottom:8px}
.tl-item p{color:var(--hth-muted);font-size:15.5px;margin:0}
.tl-tag{
  display:inline-block;
  margin-bottom:8px;
  font-size:12px;
  color:var(--hth-brown);
  background:rgba(217,154,78,.16);
  border-radius:999px;
  padding:3px 11px;
}

/* ---------- 对照表 ---------- */
.cmp-wrap{
  border:1px solid var(--hth-border);
  border-radius:var(--hth-radius);
  overflow:hidden;
  background:var(--hth-surface);
}
.cmp-table{width:100%;border-collapse:collapse}
.cmp-table th,.cmp-table td{
  padding:18px 22px;
  text-align:left;
  font-size:15px;
  border-bottom:1px solid var(--hth-border);
  vertical-align:top;
}
.cmp-table thead th{
  background:#F2EDE2;
  font-size:14px;
  color:var(--hth-brown);
  font-weight:700;
  letter-spacing:.4px;
}
.cmp-table tbody tr:last-child th,
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr:hover{background:rgba(47,143,131,.05)}
.cmp-table td.ok{color:var(--hth-primary-deep);font-weight:600}
.cmp-table td.warn{color:#A8762F;font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-radius);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D7CCBC;box-shadow:var(--hth-shadow)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  background:transparent;
  border:0;
  border-left:3px solid transparent;
  text-align:left;
  font-size:16.5px;
  font-weight:650;
  color:var(--hth-ink);
  cursor:pointer;
  transition:.2s ease;
}
.faq-q:hover{color:var(--hth-primary-deep)}
.faq-q[aria-expanded="true"]{
  border-left-color:var(--hth-primary);
  color:var(--hth-primary-deep);
}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  display:grid;
  place-items:center;
  font-size:12px;
  background:rgba(47,143,131,.12);
  color:var(--hth-primary-deep);
  transition:transform .25s ease;
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg)}
.faq-a{
  padding:0 24px 22px 27px;
  color:var(--hth-muted);
  font-size:15.5px;
  line-height:1.85;
}

/* ---------- 相关入口卡片 ---------- */
.link-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--hth-surface);
  border:1px solid var(--hth-border);
  border-radius:var(--hth-radius);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-hover)}
.link-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#EDE6DA}
.link-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.link-card:hover .thumb img{transform:scale(1.04)}
.link-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.link-card .tag{
  align-self:flex-start;
  font-size:12px;
  color:var(--hth-primary-deep);
  background:rgba(47,143,131,.12);
  border-radius:999px;
  padding:4px 12px;
  font-weight:650;
}
.link-card h3{font-size:17.5px;line-height:1.45}
.link-card p{color:var(--hth-muted);font-size:14.5px;margin:0}
.link-card .go{
  margin-top:auto;
  font-size:13.5px;
  font-weight:650;
  color:var(--hth-primary-deep);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap .2s ease;
}
.link-card:hover .go{gap:11px}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:linear-gradient(140deg,#F1F6F4,#FBF5EA 70%);
  border-top:1px solid var(--hth-border);
  border-bottom:1px solid var(--hth-border);
}
.cta-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:72px 0;
}
.cta-inner h2{font-size:clamp(1.5rem,2.8vw,2.1rem);line-height:1.25;margin-bottom:12px;max-width:560px}
.cta-inner p{color:var(--hth-muted);margin:0;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:28px;
  z-index:1025;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:12px;
  border-radius:20px;
  background:rgba(255,253,248,.94);
  border:1px solid var(--hth-border);
  box-shadow:var(--hth-shadow-hover);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.float-cta .btn-main{padding:10px 16px;font-size:14px}
.float-cta .mini{
  font-size:12px;
  color:var(--hth-muted);
  text-align:center;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
}
.float-cta .mini:hover{color:var(--hth-primary-deep)}

/* ---------- 页脚 ---------- */
.hth-footer{
  background:var(--hth-footer);
  color:#EDE6DA;
  padding:0 0 34px;
}
.hth-footer .top-line{
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--hth-primary),var(--hth-accent) 55%,rgba(217,154,78,0));
  margin-bottom:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.hth-footer .brand-mark{background:linear-gradient(140deg,var(--hth-primary),#1E5F57);box-shadow:none}
.hth-footer .brand-mark::after{border-color:var(--hth-accent);background:var(--hth-footer)}
.hth-footer .brand-text b{color:#FFFDF8}
.hth-footer .brand-text span{color:#9E938A}
.hth-footer p{color:#B4A99F;font-size:14.5px;max-width:400px}
.hth-footer h5{font-size:14px;color:#FFFDF8;margin-bottom:18px;letter-spacing:.5px}
.hth-footer ul{display:flex;flex-direction:column;gap:11px}
.hth-footer ul a{color:#B4A99F;font-size:14.5px}
.hth-footer ul a:hover{color:var(--hth-primary)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:26px;
  border-top:1px solid rgba(237,230,218,.14);
  font-size:13px;
  color:#8C8177;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cmd-search{width:200px}
  .nav-links a{padding:8px 8px;font-size:13.5px}
  .nav-links a.active::after{left:8px;right:8px}
}
@media (max-width:1199px){
  .cmd-search{display:none}
  .icon-btn{display:none}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .burger{display:inline-flex}
  .hth-nav{justify-content:space-between;gap:12px}
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .duo{grid-template-columns:1fr;gap:28px}
  .duo.reverse .duo-media{order:0}
  .cta-inner{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cat-hero{padding:52px 0 64px}
}
@media (max-width:767px){
  body{font-size:16px}
  .hth-container{padding-left:18px;padding-right:18px}
  .hth-nav{height:64px}
  .brand-text span{display:none}
  .hero-visual{aspect-ratio:16/12}
  .hero-float-card{width:132px}
  .hero-float-card img{height:84px}
  .cmp-table th,.cmp-table td{padding:14px 14px;font-size:14px}
  .tl-item{padding-left:60px}
  .tl-dot{width:42px;height:42px;font-size:14px}
  .timeline::before{left:20px}
  .float-cta{
    left:14px;right:14px;bottom:12px;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    border-radius:16px;
    padding:10px 12px;
    padding-bottom:calc(10px + env(safe-area-inset-bottom));
  }
  .float-cta .mini{display:none}
  .float-cta .btn-main{flex:1;justify-content:center}
  body{padding-bottom:76px}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr}
  .hero-points li{font-size:12.5px}
  .sec-head{margin-bottom:32px}
  .prob-card.tall{padding:30px 24px}
}