/* roulang page: index */
:root{
  --c-primary:#0F5C55;
  --c-primary-700:#0B4740;
  --c-primary-900:#08332E;
  --c-accent:#E0912F;
  --c-accent-hover:#C87D1F;
  --c-accent-soft:#FBEBD2;
  --c-ink:#1B2422;
  --c-ink-2:#55615E;
  --c-ink-3:#8B9592;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDE6;
  --c-dark:#10201E;
  --c-line:#E3DFD6;
  --c-ok:#2E9E8F;
  --c-warn:#D97706;
  --c-error:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,36,34,.05);
  --sh-2:0 16px 36px -16px rgba(16,32,30,.28);
  --container:1200px;
  --sp-section:88px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-700);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 通用元素 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;line-height:1.6;
  background:var(--c-accent-soft);color:var(--c-accent-hover);
}
.badge--ink{background:rgba(15,92,85,.08);color:var(--c-primary);}
.badge--soft{background:var(--c-surface-alt);color:var(--c-ink-2);}
.sec{padding:var(--sp-section) 0;}
.sec--alt{background:var(--c-surface-alt);}
.sec--plain{background:var(--c-surface);}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.sec-head h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.35;font-weight:700;letter-spacing:-.01em;
  position:relative;padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.22em;
  width:3px;height:1.05em;border-radius:2px;background:var(--c-primary);
}
.sec-head p{margin-top:10px;color:var(--c-ink-2);font-size:15px;max-width:640px;}
.sec-link{
  font-size:15px;font-weight:600;color:var(--c-primary);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.sec-link:hover{color:var(--c-accent-hover);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(1px);background:#B06E15;}
.btn--ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary);color:#fff;transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(1px);background:var(--c-primary-900);border-color:var(--c-primary-900);}
.btn--link{padding:0;height:auto;color:var(--c-primary);font-weight:600;}
.btn--link:hover{color:var(--c-accent-hover);}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 顶部导航 ---------- */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,backdrop-filter .25s ease;
}
.topbar.is-scrolled{
  box-shadow:0 8px 24px -16px rgba(16,32,30,.2);
  backdrop-filter:blur(8px);
  background:rgba(246,244,239,.86);
}
.topbar__inner{
  display:flex;align-items:center;gap:20px;height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:38px;height:38px;border-radius:10px;flex:0 0 auto;
  background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.logo__mark::before{
  content:"";position:absolute;left:9px;top:9px;right:9px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.logo__mark::after{
  content:"";position:absolute;left:9px;bottom:9px;width:9px;height:14px;
  border-left:2px solid rgba(255,255,255,.9);border-bottom:2px solid rgba(255,255,255,.9);
  border-radius:0 0 0 3px;
}
.logo__text{display:flex;flex-direction:column;line-height:1.15;}
.logo__main{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:.01em;}
.logo__sub{font-size:12px;color:var(--c-ink-2);white-space:nowrap;}

.search{
  flex:1 1 auto;max-width:560px;position:relative;
}
.search__form{
  display:flex;align-items:center;
  height:44px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  padding:0 6px 0 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search__form:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(15,92,85,.12);
}
.search__icon{flex:0 0 auto;color:var(--c-primary);display:flex;}
.search__input{
  flex:1 1 auto;border:0;background:transparent;height:100%;
  padding:0 10px;font-size:15px;outline:none;min-width:0;
}
.search__input::placeholder{color:var(--c-ink-3);}
.search__submit{
  width:32px;height:32px;border-radius:50%;flex:0 0 auto;
  background:var(--c-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:background-color .2s ease,transform .2s ease;
}
.search__submit:hover{background:var(--c-accent-hover);}
.search__submit:active{transform:scale(.94);}
.search__toggle{display:none;}

.nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav__link{
  position:relative;padding:8px 10px;border-radius:8px;
  font-size:14px;color:var(--c-ink-2);font-weight:500;white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav__link:hover{color:var(--c-primary);background:rgba(15,92,85,.06);}
.nav__link.is-active{color:var(--c-primary);font-weight:700;}
.nav__link.is-active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:-2px;
  height:2px;border-radius:2px;background:var(--c-accent);
}
.nav__cta{margin-left:12px;}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
  margin-left:auto;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}

.drawer{
  position:fixed;inset:0;z-index:90;visibility:hidden;
}
.drawer.is-open{visibility:visible;}
.drawer__mask{
  position:absolute;inset:0;background:rgba(16,32,30,.45);
  opacity:0;transition:opacity .25s ease;
}
.drawer.is-open .drawer__mask{opacity:1;}
.drawer__panel{
  position:absolute;top:0;right:0;height:100%;width:360px;max-width:88vw;
  background:var(--c-surface);box-shadow:var(--sh-2);
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;
  overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer__close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-ink-2);
  font-size:18px;line-height:1;
}
.drawer__close:hover{border-color:var(--c-primary);color:var(--c-primary);}
.drawer .search{max-width:none;margin-bottom:18px;}
.drawer__nav{display:flex;flex-direction:column;gap:2px;flex:1 1 auto;}
.drawer__link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--c-ink);border:1px solid transparent;
}
.drawer__link:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.drawer__link.is-active{color:var(--c-primary);font-weight:700;border-color:var(--c-line);background:var(--c-surface-alt);}
.drawer__cta{margin-top:18px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(16,32,30,.07) 1px,transparent 1px);
  background-size:24px 24px;opacity:.55;pointer-events:none;
}
.hero__grid{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;
  gap:48px;align-items:center;padding:72px 0 80px;
}
.hero__eyebrow{margin-bottom:18px;}
.hero h1{
  font-family:var(--font-serif);
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.2;letter-spacing:-.01em;font-weight:700;
}
.hero__lead{
  margin-top:20px;font-size:17px;color:var(--c-ink-2);max-width:520px;
}
.hero__actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.trust{display:flex;gap:28px;margin-top:36px;flex-wrap:wrap;}
.trust__item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-ink-2);}
.trust__ico{
  width:30px;height:30px;border-radius:9px;background:var(--c-accent-soft);
  color:var(--c-accent-hover);display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.hero__visual{position:relative;}
.hero__figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);
  aspect-ratio:4/3;background:var(--c-surface-alt);
}
.hero__figure img{width:100%;height:100%;object-fit:cover;}
.hero__panel{
  position:absolute;left:-22px;bottom:-26px;width:262px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-2);padding:18px 20px;
}
.hero__panel-title{font-size:13px;color:var(--c-ink-3);letter-spacing:.02em;}
.hero__panel-value{font-size:26px;font-weight:700;color:var(--c-primary);margin-top:4px;}
.hero__panel-row{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-ink-2);margin-top:10px;
  padding-top:10px;border-top:1px solid var(--c-line);
}
.hero__panel-row b{color:var(--c-accent-hover);font-variant-numeric:tabular-nums;}

/* ---------- 指标看板 ---------- */
.board{background:var(--c-dark);color:#EDF2F1;padding:56px 0;}
.board__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.board__card{
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);
  padding:22px 22px 20px;background:rgba(255,255,255,.02);
  transition:border-color .25s ease,background-color .25s ease;
}
.board__card:hover{border-color:rgba(224,145,47,.5);background:rgba(255,255,255,.05);}
.board__label{font-size:13px;color:#9FB0AD;}
.board__value{
  font-size:clamp(28px,3vw,38px);font-weight:700;line-height:1.2;margin-top:8px;
  font-variant-numeric:tabular-nums;transition:color .25s ease;
}
.board__card:hover .board__value{color:var(--c-accent);}
.board__foot{font-size:13px;color:#9FB0AD;margin-top:6px;}

/* ---------- Bento 服务矩阵 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento__card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:12px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.bento__card:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px);}
.bento__ico{
  width:44px;height:44px;border-radius:12px;background:var(--c-accent-soft);
  color:var(--c-accent-hover);display:flex;align-items:center;justify-content:center;
}
.bento__card h3{font-size:19px;font-weight:600;}
.bento__card p{font-size:15px;color:var(--c-ink-2);}
.bento__card .btn--link{margin-top:auto;}
.bento__card--main{
  grid-column:span 6;min-height:260px;
  background:linear-gradient(180deg,#FFFFFF 0%,#FBF9F4 100%);
}
.bento__card--third{grid-column:span 3;min-height:200px;}
.bento__card--fourth{grid-column:span 4;min-height:236px;}
.bento__card--tall{min-height:272px;}
.bento__chip{
  display:flex;gap:8px;flex-wrap:wrap;margin-top:6px;
}
.bento__figure{
  margin-top:auto;border-radius:12px;overflow:hidden;
  border:1px solid var(--c-line);aspect-ratio:16/9;background:var(--c-surface-alt);
}
.bento__figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- 资讯列表（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  color:inherit;
}
.news-card:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px);color:inherit;}
.news-card__media{position:relative;aspect-ratio:16/9;background:var(--c-surface-alt);overflow:hidden;}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-card__media img{transform:scale(1.04);}
.news-card__tag{
  position:absolute;left:12px;top:12px;
  background:var(--c-accent-soft);color:var(--c-accent-hover);
  font-size:12px;padding:4px 10px;border-radius:var(--r-pill);
}
.news-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-card__title{
  font-size:17px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__desc{
  font-size:14px;color:var(--c-ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);
}
.news-card__foot span:last-child{color:var(--c-primary);font-weight:600;}
.empty{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
}
.empty svg{color:var(--c-ink-3);margin:0 auto 14px;}
.empty p{color:var(--c-ink-2);font-size:15px;margin-bottom:16px;}

/* ---------- 对比组件 ---------- */
.compare{
  border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);overflow:hidden;
}
.compare__head,.compare__row{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;
  align-items:center;gap:16px;padding:0 24px;
}
.compare__head{
  height:56px;background:var(--c-surface-alt);
  font-size:14px;font-weight:700;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.compare__row{height:56px;font-size:14px;border-bottom:1px solid var(--c-line);}
.compare__row:nth-child(even){background:#F7F5F1;}
.compare__row:last-child{border-bottom:0;}
.compare__row .compare__name{font-weight:600;}
.compare__cell{color:var(--c-ink-2);}
.pill{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:52px;padding:3px 10px;border-radius:var(--r-pill);
  font-size:13px;line-height:1.6;
}
.pill--ok{background:rgba(46,158,143,.12);color:#1F7A6E;}
.pill--mid{background:var(--c-accent-soft);color:var(--c-accent-hover);}
.pill--no{background:var(--c-surface-alt);color:var(--c-ink-3);}

/* ---------- 反馈 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.quote:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);}
.quote__text{font-size:15px;color:var(--c-ink-2);line-height:1.9;}
.quote__meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);}
.quote__avatar{
  width:38px;height:38px;border-radius:50%;background:rgba(15,92,85,.1);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;flex:0 0 auto;
}
.quote__name{font-size:14px;font-weight:600;}
.quote__role{font-size:13px;color:var(--c-ink-3);}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:10px;max-width:960px;margin:0 auto;}
.faq__item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq__item:hover{border-color:var(--c-primary);}
.faq__item.is-open{border-color:var(--c-primary);box-shadow:var(--sh-1);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq__q:hover{color:var(--c-primary);}
.faq__mark{
  flex:0 0 auto;width:24px;height:24px;position:relative;color:var(--c-primary);
  transition:transform .25s ease;
}
.faq__mark::before,.faq__mark::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
}
.faq__mark::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq__mark::after{width:2px;height:14px;transform:translate(-50%,-50%);transition:opacity .25s ease;}
.faq__item.is-open .faq__mark::after{opacity:0;}
.faq__a{
  display:none;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2);
}
.faq__item.is-open .faq__a{display:block;}

/* ---------- 转化表单 ---------- */
.contact{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start;}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-1);
}
.status{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(15,92,85,.1);color:var(--c-primary);
  border:1px solid rgba(15,92,85,.25);border-radius:10px;
  padding:10px 14px;font-size:14px;margin-bottom:20px;
}
.status.is-hidden{display:none;}
.status__close{color:inherit;font-size:16px;line-height:1;padding:2px 4px;border-radius:6px;}
.status__close:hover{background:rgba(15,92,85,.12);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;border:1px solid #DCD8CF;background:var(--c-surface);
  border-radius:var(--r-btn);padding:0 14px;height:44px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;font-size:15px;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field select{appearance:none;-webkit-appearance:none;background-image:none;cursor:pointer;}
.select-wrap{position:relative;}
.select-wrap::after{
  content:"";position:absolute;right:16px;top:50%;width:8px;height:8px;
  border-right:2px solid var(--c-ink-2);border-bottom:2px solid var(--c-ink-2);
  transform:translateY(-70%) rotate(45deg);pointer-events:none;
}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(15,92,85,.18);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--c-error);box-shadow:0 0 0 2px rgba(192,57,43,.14);
}
.field__err{display:none;font-size:14px;color:var(--c-error);margin-top:6px;}
.field.has-error .field__err{display:block;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-ink-2);margin:6px 0 20px;}
.check input{width:16px;height:16px;margin-top:5px;accent-color:var(--c-primary);flex:0 0 auto;}
.side-card{
  background:var(--c-dark);color:#EDF2F1;border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-2);
}
.side-card h3{font-size:18px;color:#fff;margin-bottom:16px;}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-list li{display:flex;gap:10px;font-size:14px;color:#9FB0AD;line-height:1.8;}
.side-list li b{color:#EDF2F1;display:block;font-weight:600;}
.side-dot{
  width:8px;height:8px;border-radius:2px;background:var(--c-accent);flex:0 0 auto;margin-top:9px;
}
.side-card__foot{
  margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#9FB0AD;
}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-dark);color:#9FB0AD;padding:64px 0 0;}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer h4{font-size:14px;font-weight:700;color:#EDF2F1;margin-bottom:16px;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer__brand .logo__mark{background:var(--c-primary-700);}
.footer__brand .logo__main{color:#EDF2F1;}
.footer__brand .logo__sub{color:#9FB0AD;}
.footer__desc{font-size:14px;line-height:1.9;max-width:320px;}
.footer__list{display:flex;flex-direction:column;gap:10px;}
.footer__list a{font-size:14px;color:#9FB0AD;}
.footer__list a:hover{color:var(--c-accent);}
.footer__contact{font-size:14px;line-height:1.9;}
.footer__contact b{color:#EDF2F1;font-weight:600;}
.footer__bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8C9A97;
}
.footer__bottom a{color:#8C9A97;}
.footer__bottom a:hover{color:var(--c-accent);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sp-section:64px;}
  .nav__link{padding:8px 8px;font-size:13px;}
  .hero__grid{grid-template-columns:1fr;gap:40px;padding:56px 0 64px;}
  .hero__panel{left:auto;right:16px;bottom:-20px;}
  .bento__card--main{grid-column:span 12;}
  .bento__card--third{grid-column:span 6;}
  .bento__card--fourth{grid-column:span 6;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .board__grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:repeat(2,1fr);}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer__col--contact{grid-column:span 3;}
}
@media (max-width:991px){
  .search{max-width:320px;}
  .nav{display:none;}
  .nav__cta{display:none;}
  .hamburger{display:flex;}
  .contact{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .topbar__inner{height:60px;gap:12px;}
  .search{display:none;max-width:none;}
  .drawer .search{display:block;}
  .logo__main{font-size:16px;}
  .logo__sub{font-size:11px;}
  .compare__head{display:none;}
  .compare{background:transparent;border:0;}
  .compare__row{
    display:grid;grid-template-columns:1fr;height:auto;gap:0;
    background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--r-card);padding:16px 18px;margin-bottom:12px;
  }
  .compare__row:nth-child(even){background:var(--c-surface);}
  .compare__row .compare__name{
    border-bottom:1px solid var(--c-line);padding-bottom:10px;margin-bottom:10px;font-size:15px;
  }
  .compare__cell{display:flex;align-items:center;justify-content:space-between;padding:5px 0;font-size:14px;}
  .compare__cell::before{
    content:attr(data-label);color:var(--c-ink-3);font-size:13px;
  }
  .news-grid{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .bento{grid-template-columns:1fr;gap:16px;}
  .bento__card--main,.bento__card--third,.bento__card--fourth{grid-column:span 1;min-height:0;}
  .bento__card--tall{min-height:0;}
  .footer__grid{grid-template-columns:1fr;}
  .footer__col--contact{grid-column:span 1;}
  .board__grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .sec-head{margin-bottom:28px;}
  .trust{gap:18px;}
  .hero__actions .btn{width:100%;}
}
@media (max-width:575px){
  body{font-size:15px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero__lead{font-size:16px;}
  .hero__panel{position:static;width:100%;margin-top:16px;left:auto;bottom:auto;}
  .board__grid{grid-template-columns:1fr;}
  .form-card,.side-card{padding:22px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F5C55;
  --c-primary-700:#0B4740;
  --c-primary-900:#08332E;
  --c-accent:#E0912F;
  --c-accent-hover:#C87D1F;
  --c-accent-soft:#FBEBD2;
  --c-ink:#1B2422;
  --c-ink-2:#55615E;
  --c-ink-3:#8B9592;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDE6;
  --c-dark:#10201E;
  --c-line:#E3DFD6;
  --c-ok:#2E9E8F;
  --c-warn:#D97706;
  --c-error:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(28,36,34,.05);
  --sh-2:0 16px 36px -16px rgba(16,32,30,.28);
  --tr:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-700)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--tr),backdrop-filter var(--tr);
}
.topbar.is-scrolled{
  box-shadow:0 8px 24px -16px rgba(16,32,30,.2);
  backdrop-filter:blur(8px);
}
.topbar__inner{
  display:flex;align-items:center;gap:20px;
  height:72px;
}
.logo{display:flex;align-items:center;gap:10px;flex:none;color:var(--c-ink)}
.logo__mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);
  position:relative;flex:none;
}
.logo__mark::before{
  content:"";position:absolute;left:8px;top:10px;width:12px;height:2px;
  background:var(--c-accent);
  box-shadow:0 5px 0 var(--c-accent),0 10px 0 rgba(224,145,47,.5);
}
.logo__mark::after{
  content:"";position:absolute;right:7px;top:9px;width:0;height:0;
  border-left:7px solid #fff;border-top:5px solid transparent;border-bottom:5px solid transparent;
}
.logo__text{display:flex;flex-direction:column;line-height:1.2}
.logo__main{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--c-primary-900)}
.logo__sub{font-size:12px;color:var(--c-ink-2);white-space:nowrap}
.search{flex:1 1 auto;max-width:560px;min-width:0}
.search__form{
  position:relative;display:flex;align-items:center;
  height:44px;background:#fff;border:1px solid var(--c-line);
  border-radius:999px;padding:0 6px 0 14px;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.search__form:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(15,92,85,.12);
}
.search__icon{display:flex;color:var(--c-primary);flex:none}
.search__input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  font-size:14px;color:var(--c-ink);outline:none;padding:0 10px;
}
.search__input::placeholder{color:var(--c-ink-3)}
.search__submit{
  width:32px;height:32px;border-radius:50%;border:0;flex:none;
  background:var(--c-accent);color:#fff;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background var(--tr),transform var(--tr);
}
.search__submit:hover{background:var(--c-accent-hover)}
.search__submit:active{transform:translateY(1px)}
.nav{display:flex;align-items:center;gap:18px;margin-left:auto}
.nav__link{
  position:relative;font-size:14px;color:var(--c-ink-2);white-space:nowrap;
  padding:6px 2px;transition:color var(--tr);
}
.nav__link:hover{color:var(--c-primary)}
.nav__link.is-active{color:var(--c-primary);font-weight:700}
.nav__link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.nav__cta{white-space:nowrap}
.hamburger{
  display:none;width:40px;height:40px;flex:none;border:1px solid var(--c-line);
  background:#fff;border-radius:10px;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.hamburger span{width:18px;height:2px;background:var(--c-primary);border-radius:2px;transition:var(--tr)}
.hamburger:hover{border-color:var(--c-primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn--primary{background:var(--c-accent);color:#fff}
.btn--primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(1px);filter:saturate(.85)}
.btn--ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn--ghost:hover{background:rgba(15,92,85,.07);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px)}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.link-more{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{gap:10px;color:var(--c-primary-700)}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden}
.drawer.is-open{visibility:visible}
.drawer__mask{position:absolute;inset:0;background:rgba(16,32,30,.45);opacity:0;transition:opacity .25s ease}
.drawer.is-open .drawer__mask{opacity:1}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;width:360px;max-width:88vw;
  background:#fff;transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;overflow-y:auto;padding:18px;
}
.drawer.is-open .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer__title{font-size:15px;font-weight:700;color:var(--c-primary-900)}
.drawer__close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);font-size:18px;cursor:pointer;line-height:1}
.drawer__close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer__links{display:flex;flex-direction:column;margin:14px 0 auto}
.drawer__links a{
  display:flex;align-items:center;min-height:48px;padding:0 4px;
  font-size:15px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.drawer__links a.is-active{color:var(--c-primary);font-weight:700}
.drawer__links a:hover{color:var(--c-primary)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding-top:22px;font-size:13px;color:var(--c-ink-3)}
.breadcrumb a{color:var(--c-ink-3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{margin:0 6px}

/* ---------- Hero ---------- */
.hero{padding:40px 0 72px}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;background:var(--c-accent-soft);color:var(--c-accent-hover);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.hero h1{
  font-family:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  font-weight:700;font-size:clamp(30px,4.6vw,52px);line-height:1.2;letter-spacing:-.01em;
  color:var(--c-primary-900);margin:18px 0 0;
}
.hero__lead{margin-top:16px;font-size:17px;color:var(--c-ink-2);max-width:40em}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero__points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px}
.hero__points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2)}
.hero__points li::before{
  content:"";width:8px;height:1px;background:var(--c-accent);flex:none;
}
.hero__media{position:relative}
.hero__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
}
.hero__media::before{
  content:"";position:absolute;left:-14px;top:26px;width:3px;height:64px;
  background:var(--c-primary);border-radius:2px;
}
.hero__tag{
  position:absolute;left:18px;bottom:18px;
  background:rgba(255,255,255,.94);border:1px solid var(--c-line);
  border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600;color:var(--c-primary-900);
}

/* ---------- 速览条 ---------- */
.quickbar{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.quickbar__inner{display:grid;grid-template-columns:repeat(3,1fr)}
.quickbar__item{padding:26px 24px;border-right:1px solid var(--c-line);display:flex;gap:14px;align-items:flex-start}
.quickbar__item:last-child{border-right:0}
.quickbar__num{font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.1;font-variant-numeric:tabular-nums}
.quickbar__label{font-size:14px;color:var(--c-ink-2);margin-top:4px}
.quickbar__title{font-size:15px;font-weight:700;color:var(--c-ink)}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section--alt{background:var(--c-surface-alt)}
.section__head{max-width:660px;margin-bottom:40px}
.section__head h2{
  font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--c-primary-900);
  padding-left:14px;position:relative;
}
.section__head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  background:var(--c-primary);border-radius:2px;
}
.section__head p{margin-top:14px;color:var(--c-ink-2);font-size:16px}

/* ---------- 条目卡 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.entry-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color var(--tr),box-shadow var(--tr),transform var(--tr);
}
.entry-card:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px)}
.entry-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-alt)}
.entry-card__media img{width:100%;height:100%;object-fit:cover}
.entry-card__badge{
  position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);
  border-radius:999px;padding:5px 12px;font-size:12px;font-weight:700;color:var(--c-primary);
}
.entry-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-card__body h3{font-size:18px;font-weight:600;color:var(--c-primary-900)}
.entry-card__body p{font-size:15px;color:var(--c-ink-2);line-height:1.8}
.entry-card__foot{margin-top:auto;padding-top:6px}

/* ---------- FAQ ---------- */
.faq__list{max-width:900px}
.faq__item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  transition:border-color var(--tr);
}
.faq__item + .faq__item{margin-top:10px}
.faq__item[open]{border-color:var(--c-primary)}
.faq__item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item[open] summary{color:var(--c-primary)}
.faq__icon{position:relative;width:20px;height:20px;flex:none}
.faq__icon::before{
  content:"";position:absolute;left:0;top:9px;width:20px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.faq__icon::after{
  content:"";position:absolute;left:9px;top:0;width:2px;height:20px;
  background:var(--c-primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease;
}
.faq__item[open] .faq__icon::after{transform:rotate(90deg);opacity:0}
.faq__body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- CTA / 表单 ---------- */
.cta-block{
  background:var(--c-dark);border-radius:18px;padding:48px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start;
  color:#EDF2F1;
}
.cta-block h2{font-size:clamp(22px,2.6vw,30px);color:#fff}
.cta-block p{margin-top:14px;color:#9FB0AD;font-size:15px}
.cta-list{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;gap:10px;font-size:15px;color:#EDF2F1}
.cta-list li::before{content:"";width:14px;height:1px;background:var(--c-accent);margin-top:14px;flex:none}
.form-card{background:#fff;border-radius:var(--r-card);padding:24px}
.form-card h3{font-size:17px;color:var(--c-primary-900);margin-bottom:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #DCD8CF;background:#fff;border-radius:var(--r-btn);
  font-size:15px;color:var(--c-ink);padding:0 14px;height:44px;outline:none;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-primary) 50%),linear-gradient(135deg,var(--c-primary) 50%,transparent 50%);background-position:calc(100% - 18px) 19px,calc(100% - 13px) 19px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(15,92,85,.16)}
.field.has-error input,.field.has-error textarea{border-color:var(--c-error)}
.field__error{display:none;margin-top:6px;font-size:14px;color:var(--c-error)}
.field.has-error .field__error{display:block}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-ink-2)}
.check input{width:16px;height:16px;margin-top:4px;accent-color:var(--c-primary)}
.form-status{
  display:none;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(46,158,143,.12);border:1px solid rgba(46,158,143,.4);
  color:var(--c-primary-700);border-radius:10px;padding:10px 14px;font-size:14px;margin-bottom:16px;
}
.form-status.is-show{display:flex}
.form-status button{border:0;background:transparent;color:var(--c-primary-700);font-size:16px;cursor:pointer;line-height:1}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-dark);color:#9FB0AD;margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:64px 0 40px}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer__brand .logo__main{color:#EDF2F1}
.footer__brand .logo__sub{color:#9FB0AD}
.footer__desc{font-size:14px;line-height:1.85;color:#9FB0AD;max-width:34em}
.footer h4{font-size:14px;color:#EDF2F1;font-weight:700;margin-bottom:16px}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__list a{font-size:14px;color:#9FB0AD;transition:color var(--tr)}
.footer__list a:hover{color:var(--c-accent)}
.footer__contact p{font-size:14px;margin-bottom:8px}
.footer__contact b{color:#EDF2F1;font-weight:600}
.footer__contact a{color:var(--c-accent)}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;font-size:13px;color:#7C8B88;
}
.footer__bottom a{color:#9FB0AD}
.footer__bottom a:hover{color:var(--c-accent)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav{gap:14px}
  .nav__link{font-size:13px}
  .hero__grid{gap:34px}
}
@media (max-width:991px){
  .nav{display:none}
  .hamburger{display:flex;margin-left:auto}
  .search{max-width:none}
  .section{padding:64px 0}
  .hero{padding:32px 0 56px}
  .hero__grid{grid-template-columns:1fr;gap:32px}
  .quickbar__inner{grid-template-columns:1fr 1fr}
  .quickbar__item{border-bottom:1px solid var(--c-line)}
  .quickbar__item:nth-child(2n){border-right:0}
  .quickbar__item:last-child{border-bottom:0}
  .cta-block{grid-template-columns:1fr;padding:32px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar__inner{height:auto;flex-wrap:wrap;padding:10px 0;gap:12px}
  .search{order:3;flex-basis:100%;max-width:none}
  .section{padding:48px 0}
  .grid-2{grid-template-columns:1fr}
  .quickbar__inner{grid-template-columns:1fr}
  .quickbar__item{border-right:0}
  .hero__points{gap:8px 16px}
}
@media (max-width:575px){
  body{font-size:15px}
  .hero h1{font-size:30px}
  .hero__lead{font-size:16px}
  .hero__actions .btn{width:100%}
  .entry-card__body{padding:20px}
  .cta-block{padding:24px 18px;border-radius:14px}
  .footer__grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --c-primary:#0F5C55;--c-primary-700:#0B4740;--c-primary-900:#08332E;
  --c-accent:#E0912F;--c-accent-hover:#C87D1F;--c-accent-soft:#FBEBD2;
  --c-ink:#1B2422;--c-ink-2:#55615E;--c-ink-3:#8B9592;
  --c-bg:#F6F4EF;--c-surface:#FFFFFF;--c-surface-alt:#F0EDE6;--c-dark:#10201E;
  --c-line:#E3DFD6;--c-ok:#2E9E8F;--c-warn:#D97706;--c-error:#C0392B;
  --r-card:14px;--r-btn:10px;
  --sh-1:0 1px 2px rgba(28,36,34,.05);
  --sh-2:0 16px 36px -16px rgba(16,32,30,.28);
  --t:200ms ease;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--c-bg);color:var(--c-ink);font-family:var(--font-sans);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶栏 / 搜索主导导航 ============ */
.topbar{position:sticky;top:0;z-index:60;background:rgba(246,244,239,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t),background var(--t)}
.topbar.is-scrolled{box-shadow:0 8px 24px -16px rgba(16,32,30,.2);background:rgba(246,244,239,.98)}
.topbar__inner{display:flex;align-items:center;gap:22px;min-height:72px;padding-top:10px;padding-bottom:10px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--c-primary);display:inline-block;flex:0 0 auto;box-shadow:var(--sh-1)}
.logo__mark::before{content:"";position:absolute;left:8px;top:9px;width:6px;height:16px;background:#EDF2F1;border-radius:2px}
.logo__mark::after{content:"";position:absolute;left:16px;top:9px;width:10px;height:6px;background:var(--c-accent);border-radius:2px}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:17px;font-weight:700;color:var(--c-primary-900);letter-spacing:.01em}
.logo__sub{font-size:12px;color:var(--c-ink-2);white-space:nowrap}
.search{flex:1 1 320px;max-width:560px;min-width:0}
.search__form{position:relative;display:flex;align-items:center;height:44px;background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:0 6px 0 42px;transition:border-color var(--t),box-shadow var(--t)}
.search__form:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,92,85,.12)}
.search__icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-primary)}
.search__input{flex:1;min-width:0;border:0;background:transparent;height:100%;outline:none;font-size:15px}
.search__input::placeholder{color:var(--c-ink-3)}
.search__submit{width:32px;height:32px;flex:0 0 auto;border:0;border-radius:50%;background:var(--c-accent);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background var(--t),transform var(--t)}
.search__submit:hover{background:var(--c-accent-hover)}
.search__submit:active{transform:scale(.94)}
.nav{display:flex;align-items:center;gap:18px;margin-left:auto}
.nav__link{position:relative;font-size:15px;color:var(--c-ink);padding:6px 2px;transition:color var(--t);white-space:nowrap}
.nav__link:hover{color:var(--c-primary)}
.nav__link.is-active{color:var(--c-primary);font-weight:700}
.nav__link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--c-accent)}
.nav__cta{margin-left:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);white-space:nowrap}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(1px);background:var(--c-accent-hover)}
.btn--secondary{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn--secondary:hover{background:rgba(15,92,85,.06);color:var(--c-primary-700);border-color:var(--c-primary-700);transform:translateY(-1px)}
.btn--secondary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;border-color:rgba(237,242,241,.35);color:#EDF2F1}
.btn--ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.hamburger{display:none;width:40px;height:40px;flex:0 0 auto;padding:0;border:1px solid var(--c-line);border-radius:10px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:border-color var(--t),box-shadow var(--t)}
.hamburger:hover{border-color:var(--c-primary)}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink)}
.drawer-backdrop{position:fixed;inset:0;z-index:70;background:rgba(16,32,30,.45);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t)}
.drawer-backdrop.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;z-index:80;width:360px;max-width:86vw;height:100%;padding:20px;background:var(--c-surface);box-shadow:-16px 0 40px -24px rgba(16,32,30,.4);transform:translateX(102%);transition:transform .3s ease;display:flex;flex-direction:column;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer__title{font-size:15px;font-weight:700;color:var(--c-primary-900)}
.drawer__close{width:36px;height:36px;border:1px solid var(--c-line);border-radius:10px;background:#fff;color:var(--c-ink-2);font-size:16px;line-height:1;cursor:pointer;transition:border-color var(--t),color var(--t)}
.drawer__close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer .search{width:100%;max-width:none;margin-bottom:16px}
.drawer__nav a{display:flex;align-items:center;height:48px;font-size:15px;color:var(--c-ink);border-bottom:1px solid var(--c-line);transition:color var(--t),padding-left var(--t)}
.drawer__nav a:hover{color:var(--c-primary);padding-left:6px}
.drawer__foot{margin-top:auto;padding-top:20px}

/* ============ 面包屑与标题区 ============ */
.article-hero{position:relative;padding-bottom:28px;border-bottom:1px solid var(--c-line);background-image:radial-gradient(rgba(15,92,85,.07) 1px,transparent 1px);background-size:24px 24px;background-position:0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:22px 0 0;font-size:13px;color:var(--c-ink-3)}
.breadcrumb a{color:var(--c-ink-3);transition:color var(--t)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb__sep{color:var(--c-line)}
.breadcrumb__current{color:var(--c-ink-2)}
.article-title{font-family:var(--font-serif);font-weight:700;font-size:clamp(26px,3.6vw,38px);line-height:1.28;letter-spacing:-.01em;color:var(--c-ink);margin:18px 0 16px;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--c-ink-3)}
.article-meta__dot{width:4px;height:4px;border-radius:50%;background:var(--c-line)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;background:var(--c-accent-soft);color:#96590E;white-space:nowrap}
.badge--ok{background:rgba(46,158,143,.14);color:#1F7A6E}
.badge--muted{background:var(--c-surface-alt);color:var(--c-ink-2)}

/* ============ 正文阅读区 ============ */
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:52px 0 0;align-items:start}
.article-doc{min-width:0}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.95;color:var(--c-ink);overflow-wrap:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:clamp(21px,2.4vw,27px);line-height:1.42;font-weight:700;margin:2em 0 .8em;padding-left:14px}
.article-body h2::before{content:"";position:absolute;left:0;top:.14em;bottom:.14em;width:3px;border-radius:2px;background:var(--c-primary)}
.article-body h3{font-size:19px;font-weight:600;line-height:1.5;margin:1.7em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.2em}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin:.42em 0;line-height:1.85}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--c-surface-alt);border-left:4px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--c-ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.6em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;transition:color var(--t)}
.article-body a:hover{color:var(--c-accent-hover)}
.article-body strong{font-weight:700;color:var(--c-primary-900)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2.2em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;display:block;overflow-x:auto;white-space:nowrap}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left}
.article-body th{background:var(--c-surface-alt);font-weight:600;color:var(--c-primary-900)}
.article-body code{background:var(--c-surface-alt);border-radius:6px;padding:2px 6px;font-size:15px}
.article-tags{max-width:760px;margin:40px auto 0;padding-top:24px;border-top:1px solid var(--c-line);display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.article-tags__label{font-size:13px;color:var(--c-ink-3);margin-right:4px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);font-size:13px;color:var(--c-ink-2);transition:border-color var(--t),color var(--t)}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary)}
.article-actions{max-width:760px;margin:26px auto 0;display:flex;flex-wrap:wrap;gap:12px}

/* ============ 侧栏 ============ */
.article-aside{position:relative}
.aside-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px}
.aside-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:border-color var(--t),box-shadow var(--t)}
.aside-card:hover{border-color:var(--c-primary);box-shadow:var(--sh-2)}
.aside-card h3{font-size:16px;font-weight:700;color:var(--c-primary-900);margin-bottom:14px;padding-left:12px;position:relative}
.aside-card h3::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;background:var(--c-accent)}
.aside-list li{position:relative;padding-left:18px;margin-bottom:10px;font-size:14px;line-height:1.78;color:var(--c-ink-2)}
.aside-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--c-accent)}
.aside-list li:last-child{margin-bottom:0}
.aside-card--accent{background:var(--c-dark);border-color:rgba(255,255,255,.1);color:#EDF2F1}
.aside-card--accent h3{color:#fff}
.aside-card--accent p{font-size:14px;line-height:1.8;color:#9FB0AD;margin-bottom:16px}
.aside-mini{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line)}
.aside-mini:last-child{border-bottom:0;padding-bottom:0}
.aside-mini img{width:76px;height:52px;object-fit:cover;border-radius:10px;flex:0 0 auto;background:var(--c-surface-alt)}
.aside-mini__t{font-size:14px;font-weight:600;line-height:1.5;color:var(--c-ink)}
.aside-mini__d{font-size:12px;color:var(--c-ink-3);margin-top:4px}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section--alt{background:var(--c-surface-alt)}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section__title{position:relative;padding-left:14px;font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:var(--c-ink)}
.section__title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:2px;background:var(--c-primary)}
.section__sub{font-size:15px;color:var(--c-ink-2);margin-top:10px;max-width:640px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);transition:color var(--t),gap var(--t)}
.link-more:hover{color:var(--c-accent-hover);gap:10px}

/* ============ 相关推荐卡片 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:border-color var(--t),box-shadow var(--t),transform var(--t)}
.news-card:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px)}
.news-card__media{position:relative;display:block;aspect-ratio:16/9;background:var(--c-surface-alt);overflow:hidden}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-card__media img{transform:scale(1.04)}
.news-card__badge{position:absolute;left:12px;top:12px}
.news-card__body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.news-card__title{font-size:17px;line-height:1.5;font-weight:600}
.news-card__title a{transition:color var(--t)}
.news-card__title a:hover{color:var(--c-primary)}
.news-card__desc{font-size:14px;line-height:1.8;color:var(--c-ink-2)}
.news-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-3)}

/* ============ 转化条 ============ */
.cta-band{background:var(--c-dark);color:#EDF2F1}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:#fff;margin-bottom:10px}
.cta-band p{font-size:15px;line-height:1.85;color:#9FB0AD;max-width:600px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 空态 / 骨架 / 错误态 ============ */
.empty-state{max-width:760px;margin:0 auto;padding:64px 24px;text-align:center;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card)}
.empty-state svg{width:48px;height:48px;margin:0 auto;color:var(--c-ink-3)}
.empty-state__title{font-size:18px;font-weight:700;color:var(--c-ink);margin:18px 0 8px}
.empty-state__desc{font-size:14px;color:var(--c-ink-2);margin-bottom:22px}
.error-state{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border:1px solid var(--c-error);border-radius:var(--r-btn);background:rgba(192,57,43,.06);color:var(--c-error);font-size:14px;line-height:1.7}
.skeleton-line{height:12px;border-radius:6px;background:linear-gradient(90deg,#EFECE5 25%,#F7F5F1 37%,#EFECE5 63%);background-size:400% 100%;animation:sk 1.4s ease infinite}
.skeleton-line+.skeleton-line{margin-top:12px}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ============ 页脚 ============ */
.footer{background:var(--c-dark);color:#9FB0AD;padding-top:64px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer__col h4{font-size:14px;font-weight:700;color:#EDF2F1;margin-bottom:16px;letter-spacing:.02em}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer__brand .logo__main{color:#EDF2F1}
.footer__brand .logo__sub{color:#9FB0AD}
.footer__desc{font-size:14px;line-height:1.85;max-width:320px}
.footer__list a{display:block;padding:6px 0;font-size:14px;color:#9FB0AD;transition:color var(--t),padding-left var(--t)}
.footer__list a:hover{color:var(--c-accent);padding-left:4px}
.footer__contact p{font-size:14px;line-height:1.8;margin-bottom:8px}
.footer__contact b{color:#EDF2F1;font-weight:600}
.footer__contact a{color:var(--c-accent)}
.footer__contact a:hover{color:#fff}
.footer__bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);font-size:13px}
.footer__bottom a{color:#9FB0AD;transition:color var(--t)}
.footer__bottom a:hover{color:var(--c-accent)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-shell{grid-template-columns:minmax(0,1fr);gap:0;padding-top:44px}
  .article-aside{display:none}
}
@media (max-width:1080px){
  .nav{display:none}
  .hamburger{display:flex}
  .topbar__inner{min-height:64px}
}
@media (max-width:991px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .topbar__inner{flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:12px}
  .search{order:3;flex:1 1 100%;max-width:none}
  .nav{display:none}
  .hamburger{order:2}
  .logo{order:1}
  .article-title{margin-top:14px}
  .section{padding:48px 0}
  .section__head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .article-body{font-size:16.5px;line-height:1.9}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band__actions .btn{width:100%}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo__main{font-size:16px}
  .logo__sub{font-size:11px}
  .article-title{font-size:25px}
  .article-meta{font-size:12.5px}
  .breadcrumb{font-size:12px}
  .article-body{font-size:16px}
  .article-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F5C55;
  --c-primary-700:#0B4740;
  --c-primary-900:#08332E;
  --c-accent:#E0912F;
  --c-accent-hover:#C87D1F;
  --c-accent-soft:#FBEBD2;
  --c-ink:#1B2422;
  --c-ink-2:#55615E;
  --c-ink-3:#8B9592;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDE6;
  --c-dark:#10201E;
  --c-line:#E3DFD6;
  --c-ok:#2E9E8F;
  --c-warn:#D97706;
  --c-error:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,36,34,.05);
  --sh-2:0 16px 36px -16px rgba(16,32,30,.28);
  --sp-section:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-700);}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{line-height:1.3;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section--alt{background:var(--c-surface-alt);}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section__title{font-size:clamp(22px,2.4vw,30px);font-weight:700;position:relative;padding-left:16px;}
.section__title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;background:var(--c-primary);border-radius:2px;}
.section__sub{margin-top:10px;color:var(--c-ink-2);font-size:15px;padding-left:16px;}
.section__more{font-size:14px;color:var(--c-primary);white-space:nowrap;font-weight:600;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{background:var(--c-accent-hover);transform:translateY(1px);}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover{background:rgba(15,92,85,.07);color:var(--c-primary-700);border-color:var(--c-primary-700);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(1px);}
.btn--light{background:#fff;color:var(--c-primary-900);border-color:transparent;}
.btn--light:hover{background:#EDF2F1;color:var(--c-primary-900);transform:translateY(-1px);}
.btn--outline-light{background:transparent;color:#EDF2F1;border-color:rgba(255,255,255,.35);}
.btn--outline-light:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6);transform:translateY(-1px);}
.btn--lg{height:50px;padding:0 28px;font-size:16px;}
.btn--block{width:100%;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

.tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
  background:var(--c-accent-soft);color:var(--c-accent-hover);
}
.tag--green{background:rgba(15,92,85,.1);color:var(--c-primary);}

/* ---------- 顶部栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(246,244,239,.94);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,backdrop-filter .25s ease;
}
.topbar.is-scrolled{box-shadow:0 8px 24px -16px rgba(16,32,30,.2);backdrop-filter:blur(8px);}
.topbar__inner{display:flex;align-items:center;gap:18px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  position:relative;width:30px;height:30px;border-radius:9px;
  border:2px solid var(--c-primary);background:#fff;flex:0 0 auto;
}
.logo__mark::before{content:"";position:absolute;left:5px;right:5px;top:8px;height:2px;background:var(--c-primary);border-radius:2px;}
.logo__mark::after{content:"";position:absolute;left:5px;bottom:6px;width:8px;height:8px;border-radius:2px;background:var(--c-accent);}
.logo__text{display:flex;flex-direction:column;line-height:1.15;}
.logo__main{font-size:18px;font-weight:800;color:var(--c-primary-900);letter-spacing:-.01em;}
.logo__sub{font-size:12px;color:var(--c-ink-2);}
.search{flex:1 1 240px;max-width:420px;margin:0 auto;}
.search__form{
  position:relative;display:flex;align-items:center;height:44px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:0 6px 0 14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search__form:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,92,85,.12);}
.search__icon{display:flex;color:var(--c-primary);flex:0 0 auto;}
.search__input{flex:1;min-width:0;border:none;background:transparent;outline:none;padding:0 10px;font-size:14px;height:100%;}
.search__input::placeholder{color:var(--c-ink-3);}
.search__submit{
  width:32px;height:32px;flex:0 0 auto;border-radius:50%;
  background:var(--c-accent);color:#fff;display:flex;align-items:center;justify-content:center;
  transition:background-color .2s ease,transform .2s ease;
}
.search__submit:hover{background:var(--c-accent-hover);transform:scale(1.04);}
.search__submit:active{transform:scale(.96);}
.nav{display:flex;align-items:center;gap:2px;flex:0 0 auto;}
.nav__link{
  position:relative;font-size:14px;color:var(--c-ink-2);font-weight:500;
  padding:8px 9px;border-radius:8px;white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav__link:hover{color:var(--c-primary);background:rgba(15,92,85,.06);}
.nav__link.is-active{color:var(--c-primary);font-weight:700;}
.nav__link.is-active::after{content:"";position:absolute;left:9px;right:9px;bottom:0;height:2px;background:var(--c-accent);border-radius:2px;}
.nav__cta{height:40px;padding:0 16px;font-size:14px;margin-left:8px;}
.hamburger{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;flex:0 0 auto;
}
.hamburger span{display:block;width:16px;height:2px;background:var(--c-primary-900);border-radius:2px;transition:transform .2s ease;}
.hamburger:hover{border-color:var(--c-primary);}
.hamburger:hover span{background:var(--c-primary);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,32,30,.45);z-index:60;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:360px;max-width:88vw;z-index:70;
  background:#fff;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .28s ease;
  box-shadow:-16px 0 40px -24px rgba(16,32,30,.4);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-line);}
.drawer__title{font-size:15px;font-weight:700;}
.drawer__close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);font-size:20px;line-height:1;color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;}
.drawer__close:hover{color:var(--c-primary);border-color:var(--c-primary);}
.drawer__search{padding:16px 20px 8px;}
.drawer__nav{flex:1;overflow-y:auto;padding:8px 12px 16px;}
.drawer__link{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--c-ink-2);font-weight:500;
}
.drawer__link:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.drawer__link.is-active{color:var(--c-primary);font-weight:700;background:rgba(15,92,85,.07);}
.drawer__foot{padding:16px 20px;border-top:1px solid var(--c-line);}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--c-ink-3);}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{margin:0 6px;}
.crumb .current{color:var(--c-ink-2);}

/* ---------- Hero ---------- */
.cat-hero{
  padding:40px 0 72px;
  background:
    radial-gradient(circle at 1px 1px, rgba(15,92,85,.08) 1px, transparent 0) 0 0/24px 24px,
    var(--c-bg);
}
.cat-hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.cat-hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.cat-hero h1{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  font-size:clamp(30px,4.6vw,46px);font-weight:700;line-height:1.22;letter-spacing:-.01em;color:var(--c-primary-900);
}
.cat-hero__lead{margin-top:18px;font-size:17px;line-height:1.9;color:var(--c-ink-2);max-width:34em;}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cat-hero__trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:22px;border-top:1px solid var(--c-line);}
.trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--c-ink-2);}
.trust-item i{width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;}
.cat-hero__media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-2);background:var(--c-surface);aspect-ratio:4/3;
}
.cat-hero__media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 指标概览条 ---------- */
.metrics{background:var(--c-dark);padding:48px 0;}
.metrics__head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.metrics__head h2{color:#EDF2F1;font-size:22px;font-weight:700;}
.metrics__head p{color:#9FB0AD;font-size:14px;}
.metrics__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.metric-card{
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);
  padding:24px;background:rgba(255,255,255,.02);
  transition:border-color .2s ease;
}
.metric-card:hover{border-color:rgba(255,255,255,.22);}
.metric-card:hover .metric-card__num{color:var(--c-accent);}
.metric-card__num{
  font-size:clamp(32px,3.6vw,40px);font-weight:700;line-height:1.1;color:#EDF2F1;
  font-variant-numeric:tabular-nums;transition:color .2s ease;
}
.metric-card__num small{font-size:15px;font-weight:600;margin-left:4px;color:#9FB0AD;}
.metric-card__label{margin-top:10px;font-size:13px;color:#9FB0AD;line-height:1.7;}

/* ---------- 时间线 ---------- */
.timeline{margin-top:8px;}
.step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:24px;padding-bottom:34px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:27px;top:56px;bottom:0;width:1px;background:var(--c-line);
}
.step:last-child::before{display:none;}
.step__dot{
  width:56px;height:56px;border-radius:50%;background:#fff;
  border:2px solid var(--c-primary);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;font-variant-numeric:tabular-nums;
  position:relative;z-index:1;transition:background-color .2s ease,color .2s ease;
}
.step:hover .step__dot{background:var(--c-primary);color:#fff;}
.step__body{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.step__body:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px);}
.step__title{font-size:19px;font-weight:700;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.step__time{font-size:12.5px;font-weight:600;color:var(--c-accent-hover);background:var(--c-accent-soft);border-radius:var(--r-pill);padding:2px 10px;}
.step__desc{margin-top:10px;color:var(--c-ink-2);font-size:15px;line-height:1.85;}
.step__list{margin-top:14px;display:grid;gap:8px;}
.step__list li{position:relative;padding-left:18px;font-size:14px;color:var(--c-ink-2);}
.step__list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--c-accent);}

/* ---------- 图文板块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split__media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);aspect-ratio:16/11;background:var(--c-surface);}
.split__media img{width:100%;height:100%;object-fit:cover;}
.split__body h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;position:relative;padding-left:16px;}
.split__body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;background:var(--c-primary);border-radius:2px;}
.split__body p{margin-top:16px;color:var(--c-ink-2);font-size:15.5px;}
.browser-list{margin-top:22px;display:grid;gap:12px;}
.browser-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:14px 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.browser-list li:hover{border-color:var(--c-primary);box-shadow:var(--sh-1);}
.browser-list b{font-size:14.5px;color:var(--c-primary-900);min-width:130px;}
.browser-list span{font-size:14px;color:var(--c-ink-2);}

/* ---------- 要点卡 ---------- */
.points{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.card:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px);}
.point-main{display:flex;flex-direction:column;justify-content:space-between;gap:22px;}
.point-main h3{font-size:21px;font-weight:700;margin-top:14px;}
.point-main p{margin-top:12px;color:var(--c-ink-2);font-size:15px;}
.check-list{margin-top:18px;display:grid;gap:10px;}
.check-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--c-ink-2);}
.check-list li::before{
  content:"";position:absolute;left:0;top:.45em;width:14px;height:14px;border-radius:4px;
  border:1.5px solid var(--c-primary);
}
.check-list li::after{
  content:"";position:absolute;left:4px;top:.72em;width:6px;height:3px;
  border-left:1.5px solid var(--c-accent);border-bottom:1.5px solid var(--c-accent);transform:rotate(-45deg);
}
.points__side{display:grid;gap:24px;align-content:start;}
.points__side h3{font-size:17px;font-weight:700;margin-top:12px;}
.points__side p{margin-top:10px;font-size:14.5px;color:var(--c-ink-2);}
.icon-box{
  width:38px;height:38px;border-radius:10px;background:var(--c-accent-soft);
  display:flex;align-items:center;justify-content:center;color:var(--c-accent-hover);
}
.icon-box--green{background:rgba(15,92,85,.1);color:var(--c-primary);}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:10px;max-width:880px;}
.faq__item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq__item[open]{border-color:var(--c-primary);box-shadow:var(--sh-1);}
.faq__item summary{
  list-style:none;cursor:pointer;padding:20px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item summary:hover{color:var(--c-primary);}
.faq__sign{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq__sign::before,.faq__sign::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .25s ease;
}
.faq__sign::before{left:0;top:8px;width:18px;height:2px;}
.faq__sign::after{left:8px;top:0;width:2px;height:18px;}
.faq__item[open] .faq__sign::after{transform:rotate(90deg);opacity:0;}
.faq__answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-dark);border-radius:18px;padding:48px;
  display:grid;grid-template-columns:1.3fr 1fr;gap:36px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 1px 1px, rgba(255,255,255,.07) 1px, transparent 0) 0 0/22px 22px;
  pointer-events:none;
}
.cta-band__body{position:relative;z-index:1;}
.cta-band h2{color:#EDF2F1;font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.cta-band p{margin-top:14px;color:#9FB0AD;font-size:15.5px;max-width:34em;}
.cta-band__actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;align-items:stretch;}
.cta-band__note{font-size:13px;color:#9FB0AD;text-align:center;}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-dark);color:#9FB0AD;padding:64px 0 0;margin-top:0;}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer__brand .logo__main{color:#EDF2F1;}
.footer__brand .logo__sub{color:#9FB0AD;}
.footer__brand .logo__mark{border-color:#4C7C76;background:transparent;}
.footer__brand .logo__mark::before{background:#4C7C76;}
.footer__desc{font-size:14px;line-height:1.85;color:#9FB0AD;}
.footer h4{font-size:14px;font-weight:700;color:#EDF2F1;margin-bottom:16px;}
.footer__list{display:grid;gap:10px;}
.footer__list a{font-size:14px;color:#9FB0AD;}
.footer__list a:hover{color:var(--c-accent);}
.footer__contact p{font-size:14px;line-height:1.9;}
.footer__contact b{color:#D6E0DE;font-weight:600;}
.footer__contact a{color:var(--c-accent);}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8B9592;
}
.footer__bottom a{color:#9FB0AD;}
.footer__bottom a:hover{color:var(--c-accent);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .search{max-width:260px;}
  .nav__link{font-size:13.5px;padding:8px 7px;}
  .nav__cta{padding:0 14px;}
}
@media (max-width:1199px){
  :root{--sp-section:72px;}
  .nav__link{font-size:13px;padding:8px 6px;}
  .search{max-width:210px;}
  .cat-hero__grid{grid-template-columns:1fr;gap:36px;}
  .cat-hero__media{aspect-ratio:16/9;}
  .points{grid-template-columns:1fr 1fr;}
}
@media (max-width:1099px){
  .search,.nav{display:none;}
  .hamburger{display:flex;margin-left:auto;}
  .topbar__inner{height:64px;}
}
@media (max-width:991px){
  :root{--sp-section:64px;}
  .container{padding:0 20px;}
  .metrics__grid{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:32px;}
  .points{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px;gap:26px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .section__head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .metrics__grid{grid-template-columns:1fr;gap:14px;}
  .step{grid-template-columns:44px 1fr;gap:16px;}
  .step::before{left:21px;}
  .step__dot{width:44px;height:44px;font-size:16px;}
  .step__body{padding:20px;}
  .browser-list li{flex-direction:column;gap:6px;}
  .browser-list b{min-width:0;}
  .cat-hero{padding:28px 0 52px;}
  .cat-hero__actions .btn{width:100%;}
  .cta-band{padding:28px;}
  .cta-band__actions{align-items:stretch;}
  .footer__grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .logo__main{font-size:16px;}
  .logo__sub{font-size:11px;}
  .cat-hero h1{font-size:clamp(26px,7.4vw,32px);}
  .faq__item summary{font-size:15px;padding:16px;}
  .faq__answer{padding:0 16px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
/* ================= 设计变量 ================= */
:root{
  --c-primary:#0F5C55;
  --c-primary-700:#0B4740;
  --c-primary-900:#08332E;
  --c-accent:#E0912F;
  --c-accent-hover:#C87D1F;
  --c-accent-soft:#FBEBD2;
  --c-ink:#1B2422;
  --c-ink-2:#55615E;
  --c-ink-3:#8B9592;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDE6;
  --c-dark:#10201E;
  --c-line:#E3DFD6;
  --c-ok:#2E9E8F;
  --c-warn:#D97706;
  --c-error:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(28,36,34,.05);
  --sh-2:0 16px 36px -16px rgba(16,32,30,.28);
  --container:1200px;
  --ease:200ms ease;
}

/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border-radius:var(--r-card)}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-primary-700)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-accent-soft);color:var(--c-primary-900)}

/* ================= 容器与板块 ================= */
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--alt{background:var(--c-surface-alt)}
.section--tight{padding:56px 0}
.section__head{margin-bottom:40px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.section__title{font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;position:relative;padding-left:16px}
.section__title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;background:var(--c-primary);border-radius:2px}
.section__desc{color:var(--c-ink-2);font-size:15px;max-width:640px;margin-top:12px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2);letter-spacing:.04em}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-line)}

/* ================= 徽章 / 标签 ================= */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1;white-space:nowrap}
.badge--accent{background:var(--c-accent-soft);color:var(--c-accent-hover)}
.badge--primary{background:rgba(15,92,85,.1);color:var(--c-primary)}
.badge--ok{background:rgba(46,158,143,.12);color:#1D7A6E}
.badge--warn{background:rgba(217,119,6,.12);color:var(--c-warn)}
.badge--mute{background:rgba(139,149,146,.15);color:var(--c-ink-2)}
.tagbar{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);font-size:13px;color:var(--c-ink-2)}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px)}
.btn--primary:active{background:#B06C15;transform:translateY(1px)}
.btn--ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn--ghost:hover{background:rgba(15,92,85,.06);border-color:var(--c-primary-700);color:var(--c-primary-700);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px);background:rgba(15,92,85,.12)}
.btn--light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#EDF2F1}
.btn--light:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-1px)}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn .arrow{transition:transform var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-more:hover{color:var(--c-accent-hover)}
.link-more .arrow{transition:transform var(--ease)}
.link-more:hover .arrow{transform:translateX(3px)}

/* ================= 顶栏与导航 ================= */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease),background var(--ease);
}
.topbar.is-scrolled{box-shadow:0 8px 24px -16px rgba(16,32,30,.2);backdrop-filter:blur(8px)}
.topbar__inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink)}
.logo:hover{color:var(--c-ink)}
.logo__mark{position:relative;width:34px;height:34px;border-radius:9px;background:var(--c-primary);flex:0 0 auto}
.logo__mark::before{content:"";position:absolute;left:8px;top:9px;width:17px;height:2px;border-radius:2px;background:#fff;box-shadow:0 6px 0 #fff}
.logo__mark::after{content:"";position:absolute;right:6px;bottom:6px;width:9px;height:9px;border-right:2px solid var(--c-accent);border-bottom:2px solid var(--c-accent);border-radius:1px}
.logo__text{display:flex;flex-direction:column;line-height:1.2}
.logo__main{font-size:15px;font-weight:700;letter-spacing:.02em}
.logo__sub{font-size:12px;color:var(--c-ink-2);letter-spacing:.02em}

.search{flex:1 1 auto;max-width:560px;margin:0 auto}
.search__form{position:relative;display:flex;align-items:center;height:44px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;transition:border-color var(--ease),box-shadow var(--ease)}
.search__form:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,92,85,.12)}
.search__icon{display:flex;align-items:center;padding-left:16px;color:var(--c-primary)}
.search__input{flex:1 1 auto;height:100%;border:0;background:transparent;padding:0 12px;font-size:14px;outline:none}
.search__input::placeholder{color:var(--c-ink-3)}
.search__submit{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;margin-right:6px;border-radius:50%;border:0;
  background:var(--c-accent);color:#fff;cursor:pointer;flex:0 0 auto;
  transition:background var(--ease),transform var(--ease);
}
.search__submit:hover{background:var(--c-accent-hover);transform:translateY(-1px)}
.search__submit:active{background:#B06C15;transform:translateY(1px)}

.nav{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.nav__link{position:relative;padding:8px 10px;font-size:14px;color:var(--c-ink-2);border-radius:8px;white-space:nowrap;transition:color var(--ease),background var(--ease)}
.nav__link:hover{color:var(--c-primary);background:rgba(15,92,85,.06)}
.nav__link.is-active{color:var(--c-primary);font-weight:700}
.nav__link.is-active::after{content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;background:var(--c-accent);border-radius:2px}
.nav__cta{margin-left:10px;height:40px;padding:0 18px;font-size:14px}

.hamburger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;flex:0 0 auto;padding:0;align-items:center;justify-content:center}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;margin:3px auto;transition:transform var(--ease),opacity var(--ease)}
.hamburger:hover{border-color:var(--c-primary)}

/* ================= 抽屉 ================= */
.drawer{position:fixed;inset:0;z-index:80;pointer-events:none;visibility:hidden}
.drawer.is-open{pointer-events:auto;visibility:visible}
.drawer__mask{position:absolute;inset:0;background:rgba(16,32,30,.45);opacity:0;transition:opacity var(--ease)}
.drawer.is-open .drawer__mask{opacity:1}
.drawer__panel{
  position:absolute;top:0;right:0;width:360px;max-width:88vw;height:100%;
  background:var(--c-surface);display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform 240ms ease;box-shadow:-12px 0 40px -20px rgba(16,32,30,.4);
}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-line)}
.drawer__close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;font-size:18px;line-height:1;color:var(--c-ink-2)}
.drawer__close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer__search{padding:16px 20px 8px}
.drawer__search .search__form{height:44px}
.drawer__nav{flex:1 1 auto;overflow-y:auto;padding:8px 12px}
.drawer__link{display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;font-size:15px;color:var(--c-ink-2)}
.drawer__link:hover{background:var(--c-surface-alt);color:var(--c-primary)}
.drawer__link.is-active{background:rgba(15,92,85,.08);color:var(--c-primary);font-weight:700}
.drawer__foot{padding:16px 20px 24px;border-top:1px solid var(--c-line)}

/* ================= 面包屑 ================= */
.crumb{font-size:13px;color:var(--c-ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{color:var(--c-line)}
.crumb .current{color:var(--c-ink-2)}

/* ================= Hero ================= */
.hero{position:relative;overflow:hidden;padding:36px 0 88px;border-bottom:1px solid var(--c-line)}
.hero__bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;opacity:.1}
.hero__bg::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(15,92,85,.35) 1px,transparent 1px);background-size:24px 24px;opacity:.5}
.hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:32px}
.hero__title{font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-size:clamp(30px,4.2vw,48px);font-weight:700;line-height:1.2;letter-spacing:-.01em;margin:18px 0 16px}
.hero__sub{font-size:17px;color:var(--c-ink-2);max-width:560px}
.hero__lead{margin-top:18px;font-size:16px;color:var(--c-ink-2);max-width:600px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero__trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:32px;padding-top:24px;border-top:1px solid var(--c-line)}
.hero__trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2)}
.hero__trust .dot{width:18px;height:18px;border-radius:50%;background:rgba(15,92,85,.1);display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);flex:0 0 auto}
.hero__media{position:relative}
.hero__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--c-line);box-shadow:var(--sh-2)}
.hero__float{
  position:absolute;left:-18px;bottom:-22px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:16px 18px;box-shadow:var(--sh-2);max-width:250px;
}
.hero__float b{display:block;font-size:26px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2}
.hero__float span{font-size:13px;color:var(--c-ink-2)}
.hero__tag{position:absolute;top:16px;left:16px}

/* ================= 对比组件 ================= */
.compare{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.compare__head,.compare__row{display:grid;grid-template-columns:1.05fr 1.5fr 1.3fr .8fr;gap:18px;align-items:center;padding:0 24px}
.compare__head{height:56px;background:var(--c-surface-alt);border-bottom:1px solid var(--c-line);font-size:13px;font-weight:700;color:var(--c-ink-2);letter-spacing:.03em}
.compare__row{min-height:56px;padding-top:16px;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.compare__row:last-child{border-bottom:0}
.compare__row:nth-child(odd){background:#F7F5F1}
.compare__name{font-weight:700;color:var(--c-ink);font-size:15px}
.compare__cell{font-size:14px;color:var(--c-ink-2)}
.compare__badge{justify-self:start}
.compare__foot{padding:18px 24px;background:var(--c-surface-alt);font-size:13px;color:var(--c-ink-3);border-top:1px solid var(--c-line)}

/* ================= 要点卡 ================= */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.feature{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease)}
.feature:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px)}
.feature--lg{grid-column:span 6;grid-row:span 2;display:flex;flex-direction:column;gap:18px}
.feature--sm{grid-column:span 6}
.feature__icon{width:44px;height:44px;border-radius:12px;background:var(--c-accent-soft);color:var(--c-accent-hover);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.feature h3{font-size:19px;font-weight:600;margin-bottom:10px}
.feature p{font-size:15px;color:var(--c-ink-2)}
.feature--lg img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--c-line)}
.feature__list{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.feature__list li{display:flex;gap:10px;font-size:14px;color:var(--c-ink-2)}
.feature__list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;margin-top:9px}
.feature--sm .feature__top{display:flex;align-items:center;gap:14px;margin-bottom:12px}

/* ================= 排行列表 ================= */
.rank{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.rank__item{display:grid;grid-template-columns:52px 1fr 150px 84px;gap:18px;align-items:center;padding:18px 24px;border-bottom:1px solid var(--c-line)}
.rank__item:last-child{border-bottom:0}
.rank__no{width:36px;height:36px;border:1px solid var(--c-line);border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-variant-numeric:tabular-nums;color:var(--c-primary);background:var(--c-surface-alt)}
.rank__name{font-weight:600;font-size:15px}
.rank__note{font-size:13px;color:var(--c-ink-3)}
.rank__bar{height:6px;border-radius:999px;background:var(--c-line);overflow:hidden}
.rank__fill{display:block;height:100%;border-radius:999px;background:var(--c-primary)}
.rank__fill--accent{background:var(--c-accent)}

/* ================= FAQ ================= */
.faq{display:flex;flex-direction:column;gap:10px;max-width:900px}
.faq__item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;transition:border-color var(--ease),box-shadow var(--ease)}
.faq__item:hover{border-color:var(--c-primary);box-shadow:var(--sh-1)}
.faq__item[open]{border-color:var(--c-primary);box-shadow:var(--sh-1)}
.faq__q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;font-size:16px;font-weight:600;color:var(--c-ink);list-style:none;
}
.faq__q::-webkit-details-marker{display:none}
.faq__icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform var(--ease)}
.faq__icon::before{left:0;top:8px;width:18px;height:2px}
.faq__icon::after{left:8px;top:0;width:2px;height:18px}
.faq__item[open] .faq__icon::after{transform:scaleY(0)}
.faq__a{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.faq__a p+p{margin-top:10px}

/* ================= CTA 与表单 ================= */
.cta{background:var(--c-dark);color:#EDF2F1;border-radius:0}
.cta__inner{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.cta h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff}
.cta__text{margin-top:14px;color:#9FB0AD;font-size:15px;max-width:560px}
.cta__points{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.cta__points li{display:flex;gap:10px;font-size:14px;color:#C7D3D1}
.cta__points li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;margin-top:8px}
.cta__form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:24px}
.cta__form h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:14px;font-weight:600;color:#C7D3D1}
.field input,.field select,.field textarea{
  height:44px;padding:0 14px;border-radius:var(--r-btn);border:1px solid #DCD8CF;background:#fff;color:var(--c-ink);
  font-size:15px;outline:none;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(15,92,85,.18)}
.field.has-error input,.field.has-error textarea{border-color:var(--c-error)}
.field__error{font-size:14px;color:var(--c-error);display:none}
.field.has-error .field__error{display:block}
.cta__note{margin-top:12px;font-size:13px;color:#8FA09D}
.form-status{
  display:none;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;
  background:rgba(46,158,143,.16);border:1px solid rgba(46,158,143,.4);color:#CFEAE5;
  border-radius:var(--r-btn);padding:12px 14px;font-size:14px;
}
.form-status.is-visible{display:flex}
.form-status button{background:transparent;border:0;color:#CFEAE5;cursor:pointer;font-size:16px;line-height:1}

/* ================= 页脚 ================= */
.footer{background:var(--c-dark);color:#9FB0AD;padding:64px 0 0;margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer__brand .logo__main{color:#fff}
.footer__brand .logo__sub{color:#9FB0AD}
.footer__desc{font-size:14px;line-height:1.9;color:#8FA09D;max-width:320px}
.footer h4{font-size:14px;font-weight:700;color:#DFE7E5;margin-bottom:16px}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__list a{font-size:14px;color:#9FB0AD}
.footer__list a:hover{color:var(--c-accent)}
.footer__contact p{font-size:14px;color:#9FB0AD;line-height:1.9}
.footer__contact b{color:#DFE7E5;font-weight:600}
.footer__contact a{color:var(--c-accent)}
.footer__bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA09D;
}
.footer__bottom a{color:#9FB0AD}
.footer__bottom a:hover{color:var(--c-accent)}

/* ================= 动效 ================= */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 400ms ease-out,transform 400ms ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ================= 响应式 ================= */
@media (max-width:1199px){
  .nav__link{padding:8px 8px;font-size:13.5px}
  .hero__inner{gap:40px}
  .rank__item{grid-template-columns:48px 1fr 120px 76px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .topbar__inner{height:64px;gap:12px}
  .search{display:none}
  .nav{display:none}
  .hamburger{display:inline-flex;margin-left:auto}
  .hero{padding-bottom:64px}
  .hero__inner{grid-template-columns:1fr;gap:36px}
  .hero__media{order:-1}
  .hero__float{position:static;margin-top:16px;max-width:none}
  .feature--lg,.feature--sm{grid-column:span 6}
  .cta__inner{grid-template-columns:1fr;gap:32px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .compare__head,.compare__row{grid-template-columns:1fr 1.2fr 1.1fr .7fr;gap:14px;padding-left:18px;padding-right:18px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section__head{margin-bottom:28px}
  .hero{padding:24px 0 48px}
  .hero__title{font-size:clamp(26px,7vw,34px)}
  .hero__actions .btn{width:100%}
  .feature--lg,.feature--sm{grid-column:span 12}
  .feature--lg{grid-row:auto}
  .compare{background:transparent;border:0;box-shadow:none;overflow:visible}
  .compare__head{display:none}
  .compare__row{
    display:block;background:var(--c-surface)!important;border:1px solid var(--c-line);
    border-radius:var(--r-card);padding:18px;margin-bottom:12px;box-shadow:var(--sh-1);
  }
  .compare__name{display:block;font-size:16px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--c-line)}
  .compare__cell{display:flex;justify-content:space-between;gap:16px;padding:6px 0}
  .compare__cell::before{content:attr(data-label);color:var(--c-ink-3);font-size:13px;flex:0 0 auto}
  .compare__cell--text{text-align:right}
  .compare__badge{justify-self:auto;display:inline-flex}
  .compare__foot{border:0;background:transparent;padding:0;margin-top:6px}
  .rank__item{grid-template-columns:44px 1fr;gap:12px;padding:16px}
  .rank__bar{grid-column:2;}
  .rank__badge{grid-column:2;justify-self:start}
  .faq__q{font-size:15px;padding:16px 18px}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  body{font-size:15px}
  .hero__sub,.hero__lead{font-size:15px}
  .section__title{font-size:21px}
  .btn{width:100%}
  .hero__trust{gap:12px}
  .cta__form{padding:18px}
}

/* roulang page: category4 */
:root{
  --c-primary:#0F5C55;
  --c-primary-700:#0B4740;
  --c-primary-900:#08332E;
  --c-accent:#E0912F;
  --c-accent-hover:#C87D1F;
  --c-accent-soft:#FBEBD2;
  --c-ink:#1B2422;
  --c-ink-2:#55615E;
  --c-ink-3:#8B9592;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDE6;
  --c-dark:#10201E;
  --c-line:#E3DFD6;
  --c-ok:#2E9E8F;
  --c-warn:#D97706;
  --c-error:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,36,34,.05);
  --sh-2:0 16px 36px -16px rgba(16,32,30,.28);
  --t:200ms ease;
  --sp-section:88px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:72px;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary-700)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:var(--sp-section) 0}
.section--alt{background:var(--c-surface-alt)}
.section--tight{padding:56px 0}

.sec-head{margin-bottom:36px;max-width:760px}
.sec-head__line{display:flex;align-items:flex-start;gap:14px}
.sec-head h2{
  font-size:clamp(22px,2.2vw,32px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.01em;
  position:relative;
  padding-left:14px;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.32em;
  width:3px;height:.95em;
  background:var(--c-primary);
  border-radius:2px;
}
.sec-head p{margin-top:12px;color:var(--c-ink-2);font-size:15px;line-height:1.9}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap}
.link-more{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more:hover{color:var(--c-accent-hover)}

/* ---------- Topbar ---------- */
.topbar{
  position:fixed;
  top:0;left:0;right:0;
  z-index:50;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t),background var(--t);
}
.topbar.is-scrolled{
  box-shadow:0 8px 24px -16px rgba(16,32,30,.2);
  background:rgba(255,255,255,.98);
}
.topbar__inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
  position:relative;
}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--c-primary);
  position:relative;flex:0 0 auto;display:inline-block;
}
.logo__mark::before{
  content:"";position:absolute;left:9px;top:8px;width:16px;height:16px;
  border-radius:5px;background:var(--c-accent);
}
.logo__mark::after{
  content:"";position:absolute;left:9px;top:16px;width:16px;height:2px;
  background:var(--c-primary-900);opacity:.4;
}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:16px;font-weight:700;color:var(--c-ink);letter-spacing:.01em}
.logo__sub{font-size:12px;color:var(--c-ink-2)}

.search{flex:1 1 auto;max-width:560px;margin:0 auto;min-width:0}
.search__form{
  position:relative;display:flex;align-items:center;
  height:44px;padding:0 6px 0 14px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  transition:border-color var(--t),box-shadow var(--t);
}
.search__form:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(15,92,85,.12);
}
.search__icon{display:flex;color:var(--c-primary);flex:0 0 auto}
.search__input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;
  padding:0 10px;font-size:14px;outline:none;
}
.search__input::placeholder{color:var(--c-ink-3)}
.search__submit{
  width:32px;height:32px;flex:0 0 auto;border:0;border-radius:50%;
  background:var(--c-accent);color:#fff;display:grid;place-items:center;
  transition:background var(--t),transform var(--t);
}
.search__submit:hover{background:var(--c-accent-hover);transform:translateY(-1px)}
.search__submit:active{transform:translateY(1px)}

.search-toggle{
  display:none;
  width:40px;height:40px;flex:0 0 auto;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;color:var(--c-primary);
  place-items:center;
}
.search-toggle:hover{border-color:var(--c-primary)}

.nav{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav__link{
  position:relative;font-size:14px;font-weight:500;color:var(--c-ink-2);
  padding:6px 0;white-space:nowrap;
}
.nav__link:hover{color:var(--c-primary)}
.nav__link.is-active{color:var(--c-primary);font-weight:700}
.nav__link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.nav__cta{margin-left:4px}

.hamburger{
  display:none;width:40px;height:40px;flex:0 0 auto;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;padding:0 10px;
  flex-direction:column;justify-content:center;gap:4px;
}
.hamburger span{display:block;height:2px;background:var(--c-ink);border-radius:2px;transition:background var(--t)}
.hamburger:hover span{background:var(--c-primary)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  white-space:nowrap;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn--primary{background:var(--c-accent);color:#fff}
.btn--primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(200,125,31,.9)}
.btn--primary:active{transform:translateY(1px);filter:saturate(.85)}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn--ghost:hover{background:rgba(15,92,85,.07);color:var(--c-primary-700);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- Badge ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:var(--c-accent-soft);color:var(--c-accent-hover);
  line-height:1.6;
}
.badge--green{background:rgba(15,92,85,.1);color:var(--c-primary)}
.badge--gray{background:#EFEDE8;color:var(--c-ink-2)}

/* ---------- Breadcrumb ---------- */
.crumbs{font-size:13px;color:var(--c-ink-3);padding:22px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--c-ink-3)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:var(--c-line)}
.crumbs .current{color:var(--c-ink-2);font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:0 0 72px;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.hero__bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.10;
}
.hero__dots{
  position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(15,92,85,.16) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.55;
}
.hero > .container{position:relative;z-index:1}
.hero__grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:48px;
  align-items:center;
  padding-top:36px;
}
.hero__text h1{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:clamp(30px,4.2vw,48px);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.01em;
  margin-top:18px;
}
.hero__sub{
  margin-top:16px;
  font-size:18px;
  font-weight:600;
  color:var(--c-primary);
}
.hero__desc{
  margin-top:14px;
  font-size:16px;
  color:var(--c-ink-2);
  max-width:560px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero__points{
  display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:28px;
  padding-top:24px;border-top:1px solid var(--c-line);
}
.hero__points li{
  display:flex;align-items:center;gap:9px;
  font-size:14px;color:var(--c-ink-2);
}
.hero__points li::before{
  content:"";width:16px;height:16px;flex:0 0 auto;border-radius:5px;
  background:var(--c-accent-soft);
  border:1px solid rgba(224,145,47,.45);
}

.hero__panel{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow var(--t),transform var(--t);
}
.hero__panel:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.hero__panel figure{margin:0;position:relative}
.hero__panel img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero__panel figcaption{
  position:absolute;left:14px;top:14px;
}
.hero__panel-body{padding:22px 24px 24px}
.hero__panel-body h2{
  font-size:18px;font-weight:700;margin-bottom:14px;
}
.checklist li{
  position:relative;
  padding:9px 0 9px 26px;
  font-size:14px;
  color:var(--c-ink-2);
  border-bottom:1px dashed var(--c-line);
}
.checklist li:last-child{border-bottom:0}
.checklist li::before{
  content:"";position:absolute;left:0;top:17px;
  width:8px;height:8px;border-radius:2px;
  background:var(--c-accent);
}
.checklist b{color:var(--c-ink)}

/* ---------- Stat strip ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.stat-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.stat-card:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px)}
.stat-card__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border:1px solid var(--c-line);border-radius:9px;
  font-size:15px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  background:var(--c-surface-alt);
}
.stat-card h3{margin-top:16px;font-size:18px;font-weight:600}
.stat-card p{margin-top:8px;font-size:14px;color:var(--c-ink-2)}
.stat-card__meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}

/* ---------- Bento ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:24px;
}
.bento__card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
  display:flex;flex-direction:column;
}
.bento__card:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px)}
.bento__card--main{grid-column:span 6;padding:0;overflow:hidden}
.bento__card--main .bento__media{position:relative}
.bento__card--main img{width:100%;aspect-ratio:16/10;object-fit:cover}
.bento__card--main .bento__inner{padding:24px 26px 26px}
.bento__card--a{grid-column:span 3}
.bento__card--b{grid-column:span 3}
.bento__icon{
  width:38px;height:38px;border-radius:10px;
  background:var(--c-accent-soft);color:var(--c-accent-hover);
  display:grid;place-items:center;flex:0 0 auto;
}
.bento__card h3{margin-top:16px;font-size:19px;font-weight:600}
.bento__card p{margin-top:10px;font-size:14px;color:var(--c-ink-2);flex:1 1 auto}
.bento__card .link-more{margin-top:16px}

/* ---------- FAQ zone ---------- */
.faq-zone{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:36px;
  align-items:start;
}
.faq{display:flex;flex-direction:column;gap:10px}
.faq__item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:12px;
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq__item:hover{border-color:rgba(15,92,85,.5)}
.faq__item.is-open{border-color:var(--c-primary);box-shadow:var(--sh-1)}
.faq__q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;
  background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--c-ink);
}
.faq__q:focus-visible{outline:2px solid var(--c-accent);outline-offset:-4px}
.faq__icon{
  position:relative;width:18px;height:18px;flex:0 0 auto;
  transition:transform var(--t);
}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq__icon::before{width:14px;height:2px}
.faq__icon::after{width:2px;height:14px}
.faq__item.is-open .faq__icon{transform:rotate(45deg)}
.faq__a{
  display:none;
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}
.faq__item.is-open .faq__a{display:block}
.faq__a p + p{margin-top:12px}

.side-card{
  position:sticky;
  top:96px;
  background:var(--c-dark);
  color:#EDF2F1;
  border-radius:var(--r-card);
  padding:26px 24px;
  border:1px solid rgba(255,255,255,.08);
}
.side-card h3{font-size:18px;font-weight:700;color:#fff}
.side-card > p{margin-top:10px;font-size:14px;color:#9FB0AD;line-height:1.8}
.side-card ul{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.side-card li{
  position:relative;padding-left:20px;
  font-size:14px;color:#EDF2F1;
}
.side-card li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:2px;background:var(--c-accent);
}
.side-card .btn{margin-top:22px}
.side-card__note{
  margin-top:14px;font-size:13px;color:#9FB0AD;
}

/* ---------- Related cards ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.news-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.news-card:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px)}
.news-card__media{position:relative}
.news-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card__media .badge{position:absolute;left:14px;top:14px}
.news-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.news-card__body h3{
  font-size:19px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__body p{
  margin-top:10px;font-size:14px;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  flex:1 1 auto;
}
.news-card__foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-ink-3);
}
.news-card__foot .link-more{font-size:14px}

/* ---------- Form ---------- */
.form-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:28px;
  align-items:start;
}
.form-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
}
.form-card__title{font-size:20px;font-weight:700}
.form-card__tip{margin-top:8px;font-size:14px;color:var(--c-ink-2)}
.form-status{
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
  margin-top:18px;padding:12px 14px;
  background:rgba(46,158,143,.12);
  border:1px solid rgba(46,158,143,.4);
  border-radius:var(--r-btn);
  font-size:14px;color:var(--c-primary-700);
}
.form-status[hidden]{display:none}
.form-status button{
  border:0;background:transparent;color:var(--c-primary);
  font-size:16px;line-height:1;padding:2px 4px;border-radius:6px;
}
.field{margin-top:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field .req{color:var(--c-error);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;
  border:1px solid #DCD8CF;
  border-radius:var(--r-btn);
  background:#fff;
  padding:0 14px;
  height:44px;
  font-size:15px;
  outline:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(15,92,85,.12);
}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--c-primary) 50%),linear-gradient(135deg,var(--c-primary) 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
  padding-right:40px;
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-error)}
.field__err{display:none;margin-top:8px;font-size:13px;color:var(--c-error)}
.field.has-error .field__err{display:block}
.field--check{display:flex;align-items:flex-start;gap:10px;margin-top:18px}
.field--check input{width:18px;height:18px;flex:0 0 auto;margin-top:4px}
.field--check label{margin:0;font-weight:400;font-size:14px;color:var(--c-ink-2);line-height:1.7}
.form-actions{margin-top:22px}

.form-aside{
  background:var(--c-surface-alt);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 24px;
}
.form-aside h3{font-size:18px;font-weight:700}
.form-aside ol{margin-top:16px;counter-reset:step}
.form-aside li{
  counter-increment:step;
  position:relative;
  padding:12px 0 12px 40px;
  font-size:14px;
  color:var(--c-ink-2);
  border-bottom:1px dashed var(--c-line);
}
.form-aside li:last-child{border-bottom:0}
.form-aside li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:11px;
  width:28px;height:28px;border-radius:8px;
  background:#fff;border:1px solid var(--c-line);
  display:grid;place-items:center;
  font-size:12px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;
}
.form-aside b{color:var(--c-ink)}

/* ---------- Footer ---------- */
.footer{
  background:var(--c-dark);
  color:#9FB0AD;
  padding:64px 0 0;
  margin-top:0;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer__brand{display:flex;align-items:center;gap:10px}
.footer__brand .logo__main{color:#fff}
.footer__brand .logo__sub{color:#9FB0AD}
.footer__desc{margin-top:16px;font-size:14px;line-height:1.9;color:#9FB0AD}
.footer__col h4{font-size:14px;font-weight:700;color:#EDF2F1;letter-spacing:.02em}
.footer__list{margin-top:16px;display:flex;flex-direction:column;gap:11px}
.footer__list a{font-size:14px;color:#9FB0AD}
.footer__list a:hover{color:var(--c-accent)}
.footer__contact{margin-top:16px;display:flex;flex-direction:column;gap:10px;font-size:14px;line-height:1.8}
.footer__contact b{color:#EDF2F1;font-weight:600}
.footer__contact a{color:var(--c-accent)}
.footer__contact a:hover{color:var(--c-accent-hover)}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#8A9A97;flex-wrap:wrap;
}
.footer__bottom a{color:#8A9A97}
.footer__bottom a:hover{color:var(--c-accent)}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(16,32,30,.45);
  z-index:60;
  opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:360px;max-width:88vw;
  background:#fff;z-index:70;
  transform:translateX(100%);
  transition:transform 260ms ease;
  display:flex;flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer__close{
  width:36px;height:36px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;color:var(--c-ink-2);font-size:20px;line-height:1;
  display:grid;place-items:center;
}
.drawer__close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer__search{margin-top:20px}
.drawer__nav{margin-top:18px;display:flex;flex-direction:column}
.drawer__nav a{
  display:flex;align-items:center;
  height:48px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.drawer__nav a:hover{color:var(--c-primary)}
.drawer__nav a.is-active{color:var(--c-primary);font-weight:700}
.drawer__cta{margin-top:22px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 400ms ease-out,transform 400ms ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .nav{display:none}
  .hamburger{display:flex}
  .hero__grid{gap:36px}
}
@media (max-width:991px){
  :root{--sp-section:64px}
  .topbar{height:64px}
  body{padding-top:64px}
  .topbar__inner{height:64px}
  .hero__grid{grid-template-columns:minmax(0,1fr);padding-top:24px}
  .hero__panel{order:-1}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento__card--main{grid-column:span 12}
  .bento__card--a,.bento__card--b{grid-column:span 6}
  .faq-zone{grid-template-columns:minmax(0,1fr)}
  .side-card{position:static;top:auto}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .news-grid{grid-template-columns:minmax(0,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--sp-section:52px}
  .container{padding:0 16px}
  .search{display:none}
  .search-toggle{display:grid}
  body.search-open .search{
    display:block;
    position:absolute;
    top:100%;left:0;right:0;
    max-width:none;margin:0;
    padding:12px 16px;
    background:#fff;
    border-bottom:1px solid var(--c-line);
    box-shadow:0 12px 24px -18px rgba(16,32,30,.35);
    z-index:45;
  }
  .topbar__inner{gap:12px}
  .logo__main{font-size:15px}
  .logo__sub{font-size:11px}
  .stat-strip{grid-template-columns:minmax(0,1fr)}
  .bento__card--a,.bento__card--b{grid-column:span 12}
  .hero{padding-bottom:52px}
  .hero__sub{font-size:16px}
  .hero__actions .btn{width:100%}
  .form-card{padding:22px 20px}
  .sec-head--row{align-items:flex-start}
}
@media (max-width:575px){
  body{font-size:15px;line-height:1.8}
  .hero__text h1{font-size:28px}
  .sec-head h2{font-size:21px}
  .stat-card,.bento__card,.news-card__body{padding:20px}
  .faq__q{padding:16px;font-size:15px}
  .faq__a{padding:0 16px 16px;font-size:14px}
  .side-card{padding:22px 20px}
  .footer__grid{grid-template-columns:minmax(0,1fr)}
  .footer{padding-top:48px}
  .btn{width:100%}
  .btn--sm{width:auto}
  .link-more{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category5 */
:root{
  --c-primary:#0F5C55;
  --c-primary-700:#0B4740;
  --c-primary-900:#08332E;
  --c-accent:#E0912F;
  --c-accent-hover:#C87D1F;
  --c-accent-soft:#FBEBD2;
  --c-ink:#1B2422;
  --c-ink-2:#55615E;
  --c-ink-3:#8B9592;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDE6;
  --c-dark:#10201E;
  --c-line:#E3DFD6;
  --c-ok:#2E9E8F;
  --c-warn:#D97706;
  --c-error:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,36,34,.05);
  --sh-2:0 16px 36px -16px rgba(16,32,30,.28);
  --sec-y:88px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-700)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.sec{padding:var(--sec-y) 0}
.sec--alt{background:var(--c-surface-alt)}
.sec__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec__title{font-size:clamp(22px,2.4vw,32px);position:relative;padding-left:16px}
.sec__title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;background:var(--c-primary);border-radius:2px}
.sec__sub{color:var(--c-ink-2);font-size:15px;margin-top:8px}
.sec__more{color:var(--c-primary);font-size:14px;font-weight:600;white-space:nowrap}
.sec__more::after{content:" →"}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.topbar.is-scrolled{box-shadow:0 8px 24px -16px rgba(16,32,30,.2)}
.topbar__inner{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink)}
.logo__mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 auto;position:relative;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-900) 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.logo__mark::before{
  content:"";position:absolute;left:9px;top:9px;width:16px;height:16px;border:2px solid rgba(255,255,255,.9);
  border-radius:3px 3px 6px 3px;
}
.logo__mark::after{
  content:"";position:absolute;right:7px;bottom:7px;width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 2px rgba(224,145,47,.25);
}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-size:18px;font-weight:700;letter-spacing:.01em}
.logo__sub{font-size:12px;color:var(--c-ink-2);white-space:nowrap}
.search{flex:1 1 auto;max-width:560px;min-width:0}
.search__form{
  position:relative;display:flex;align-items:center;height:44px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search__form:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,92,85,.12)}
.search__icon{display:flex;align-items:center;justify-content:center;padding:0 12px 0 16px;color:var(--c-primary);flex:0 0 auto}
.search__input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:14px}
.search__input::placeholder{color:var(--c-ink-3)}
.search__submit{
  flex:0 0 auto;width:32px;height:32px;margin-right:6px;border:0;border-radius:50%;
  background:var(--c-accent);color:#fff;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s ease,transform .15s ease;
}
.search__submit:hover{background:var(--c-accent-hover)}
.search__submit:active{transform:translateY(1px)}
.nav{display:flex;align-items:center;gap:18px;margin-left:auto;flex:0 0 auto}
.nav__link{
  position:relative;font-size:14px;font-weight:500;color:var(--c-ink-2);padding:6px 0;white-space:nowrap;
}
.nav__link:hover{color:var(--c-primary)}
.nav__link.is-active{color:var(--c-primary);font-weight:700}
.nav__link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--c-accent);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px)}
.btn--primary:active{transform:translateY(1px);background:#B26F17}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn--ghost:hover{background:rgba(15,92,85,.07);color:var(--c-primary-700);border-color:var(--c-primary-700);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}
.nav__cta{height:40px;padding:0 18px;font-size:14px}
.hamburger{
  display:none;width:40px;height:40px;margin-left:auto;border:1px solid var(--c-line);border-radius:10px;
  background:var(--c-surface);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:background .2s ease}
.hamburger:hover span{background:var(--c-primary)}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
.drawer__mask{position:absolute;inset:0;background:rgba(16,32,30,.45);opacity:0;transition:opacity .25s ease}
.drawer__panel{
  position:absolute;top:0;right:0;height:100%;width:360px;max-width:88vw;background:var(--c-surface);
  transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;gap:16px;
  padding:20px;overflow-y:auto;box-shadow:-18px 0 40px -24px rgba(16,32,30,.5);
}
.drawer.is-open{pointer-events:auto}
.drawer.is-open .drawer__mask{opacity:1}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between}
.drawer__title{font-size:15px;font-weight:700}
.drawer__close{
  width:36px;height:36px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:10px;
  font-size:20px;line-height:1;cursor:pointer;color:var(--c-ink-2);
}
.drawer__close:hover{color:var(--c-primary);border-color:var(--c-primary)}
.drawer .search{max-width:none;width:100%}
.drawer__nav{display:flex;flex-direction:column;border-top:1px solid var(--c-line)}
.drawer__link{
  display:flex;align-items:center;height:48px;font-size:15px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer__link:hover{color:var(--c-primary)}
.drawer__link.is-active{color:var(--c-primary);font-weight:700}
.drawer__cta{margin-top:auto}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--c-ink-3);margin-bottom:16px}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb span{color:var(--c-ink-2)}
.crumb i{font-style:normal;margin:0 6px;color:var(--c-ink-3)}

/* ---------- Hero ---------- */
.hero{padding:56px 0 72px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(15,92,85,.16) 1px,transparent 1px);
  background-size:24px 24px;opacity:.5;z-index:0;
}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-accent-soft);color:#8A5A12;font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero h1{
  font-family:var(--font-serif);font-weight:700;font-size:clamp(30px,4.6vw,52px);line-height:1.2;
  letter-spacing:-.01em;margin-bottom:18px;
}
.hero__lead{font-size:17px;color:var(--c-ink-2);max-width:520px;margin-bottom:28px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero__trust{display:flex;flex-wrap:wrap;gap:22px;color:var(--c-ink-2);font-size:14px}
.hero__trust li{display:flex;align-items:center;gap:8px}
.hero__trust li::before{content:"";width:8px;height:8px;border:1px solid var(--c-primary);border-radius:2px;background:rgba(15,92,85,.12)}
.hero__media{position:relative}
.hero__media img{width:100%;border-radius:var(--r-card);object-fit:cover;aspect-ratio:4/3;box-shadow:var(--sh-1);border:1px solid var(--c-line)}
.hero__panel{
  position:absolute;left:-24px;bottom:-24px;background:var(--c-dark);color:#EDF2F1;border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-2);min-width:210px;
}
.hero__panel span{display:block;font-size:13px;color:#9FB0AD}
.hero__panel b{display:block;font-size:32px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.2}

/* ---------- 徽章条 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);font-size:13px;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ---------- 瀑布卡 ---------- */
.waterfall{column-count:3;column-gap:24px}
.w-card{
  break-inside:avoid;display:block;margin:0 0 24px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.w-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-primary)}
.w-card__media{position:relative}
.w-card__media img{width:100%;object-fit:cover;border-radius:var(--r-card) var(--r-card) 0 0}
.w-card__media--tall img{aspect-ratio:4/5}
.w-card__media--wide img{aspect-ratio:16/9}
.w-card__media--slim img{aspect-ratio:21/9}
.w-card__tag{
  position:absolute;left:14px;top:14px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(16,32,30,.78);color:#EDF2F1;font-size:12px;display:inline-flex;align-items:center;
}
.w-card__body{padding:22px}
.w-card__body h3{font-size:18px;margin-bottom:10px}
.w-card__body p{color:var(--c-ink-2);font-size:15px}
.w-card__points{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.w-card__points li{position:relative;padding-left:16px;font-size:14px;color:var(--c-ink-2)}
.w-card__points li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--c-primary)}
.w-card__meta{
  display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;
  border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-3);
}
.w-card__meta .link{color:var(--c-primary);font-weight:600}

/* ---------- 键值速查 ---------- */
.kv{border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:var(--c-surface)}
.kv__row{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:center;padding:0 24px;min-height:60px;border-bottom:1px solid var(--c-line)}
.kv__row:nth-child(odd){background:#F7F5F1}
.kv__row:last-child{border-bottom:0}
.kv__k{font-weight:700;font-size:15px}
.kv__v{font-size:15px;color:var(--c-ink-2);display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600}
.tag--ok{background:rgba(46,158,143,.14);color:#1F7A6E}
.tag--warn{background:var(--c-accent-soft);color:#8A5A12}
.tag--mute{background:var(--c-surface-alt);color:var(--c-ink-3)}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--c-dark);color:#EDF2F1;border-radius:var(--r-card);padding:36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-bar h3{font-size:clamp(19px,2vw,24px);margin-bottom:8px;color:#fff}
.cta-bar p{color:#9FB0AD;font-size:15px;margin:0}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:10px;max-width:900px}
.faq__item{border:1px solid var(--c-line);border-radius:12px;background:var(--c-surface);overflow:hidden;transition:border-color .2s ease}
.faq__item:hover{border-color:var(--c-primary)}
.faq__item.is-open{border-color:var(--c-primary)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;font-size:16px;font-weight:600;
}
.faq__q .plus{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .25s ease}
.faq__q .plus::before,.faq__q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;transform:translate(-50%,-50%);
}
.faq__q .plus::before{width:14px;height:2px}
.faq__q .plus::after{width:2px;height:14px;transition:opacity .2s ease}
.faq__item.is-open .plus{transform:rotate(180deg)}
.faq__item.is-open .plus::after{opacity:0}
.faq__a{padding:0 22px 20px;color:var(--c-ink-2);font-size:15px;line-height:1.85;display:none}
.faq__item.is-open .faq__a{display:block}

/* ---------- 表单 ---------- */
.form-wrap{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.form__status{
  display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;
  background:rgba(46,158,143,.12);border:1px solid rgba(46,158,143,.32);color:#1F7A6E;
  border-radius:10px;padding:10px 14px;font-size:14px;
}
.form__status button{background:transparent;border:0;color:#1F7A6E;font-size:18px;line-height:1;cursor:pointer}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field .req{color:var(--c-error);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #DCD8CF;background:var(--c-surface);border-radius:var(--r-btn);
  padding:10px 14px;font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input,.field select{height:44px}
.field textarea{min-height:120px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,92,85,.12)}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-primary) 50%),linear-gradient(135deg,var(--c-primary) 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:40px}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-error);box-shadow:0 0 0 3px rgba(192,57,43,.1)}
.field__err{display:none;color:var(--c-error);font-size:14px;margin-top:6px}
.field.has-error .field__err{display:block}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-ink-2);margin-bottom:20px}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);flex:0 0 auto}
.form-note{font-size:13px;color:var(--c-ink-3);margin-top:14px}
.side-list{display:flex;flex-direction:column;gap:14px;margin:18px 0 22px}
.side-list li{position:relative;padding-left:18px;font-size:14px;color:var(--c-ink-2)}
.side-list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--c-accent)}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-dark);color:#9FB0AD;padding:64px 0 0;margin-top:var(--sec-y)}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer__brand .logo__main{color:#EDF2F1;font-size:17px;font-weight:700;display:block}
.footer__brand .logo__sub{color:#9FB0AD;display:block;font-size:12px}
.footer__desc{font-size:14px;line-height:1.8;color:#9FB0AD;margin:0}
.footer h4{font-size:14px;color:#EDF2F1;margin-bottom:16px;font-weight:700}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__list a{color:#9FB0AD;font-size:14px}
.footer__list a:hover{color:var(--c-accent)}
.footer__contact p{font-size:14px;margin:0 0 10px;color:#9FB0AD}
.footer__contact b{color:#EDF2F1;font-weight:600}
.footer__contact a{color:#9FB0AD;text-decoration:underline;text-underline-offset:3px}
.footer__contact a:hover{color:var(--c-accent)}
.footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:13px;color:#8FA09D;
}
.footer__bottom a{color:#9FB0AD}
.footer__bottom a:hover{color:var(--c-accent)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav{display:none}
  .hamburger{display:flex}
  .search{max-width:440px}
  .waterfall{column-count:2}
  .form-wrap{grid-template-columns:1fr}
}
@media (max-width:991px){
  :root{--sec-y:64px}
  .topbar__inner{height:64px;gap:14px}
  .hero{padding:40px 0 56px}
  .hero__inner{grid-template-columns:1fr;gap:40px}
  .hero__panel{left:16px;bottom:-20px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--sec-y:48px}
  .container{padding:0 16px}
  .search{display:none}
  .topbar__inner{height:60px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero__lead{font-size:16px}
  .hero__actions .btn{width:100%}
  .waterfall{column-count:1}
  .kv__row{grid-template-columns:1fr;gap:6px;padding:16px 18px;min-height:0}
  .kv__k{font-size:14px}
  .cta-bar{padding:26px;flex-direction:column;align-items:flex-start}
  .cta-bar .btn{width:100%}
  .sec__head{flex-direction:column;align-items:flex-start;gap:10px}
  .footer__grid{grid-template-columns:1fr;gap:26px}
  .footer{padding-top:48px}
}
@media (max-width:575px){
  body{font-size:15px}
  .w-card__body{padding:18px}
  .card{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}