/* roulang page: index */
:root{
  --brand:#17795E; --brand-dark:#0F5B46; --brand-light:#2FB27C; --brand-3:#A8E063;
  --accent:#FF6A2B; --lime:#CBF24C;
  --ink:#0E1F1A; --paper:#F7F6F1; --card:#FFFFFF; --mint:#EAF6F0;
  --text:#12211C; --muted:#5B6B65; --line:#E6E9E2;
  --r-lg:24px; --r-md:18px; --r-sm:12px;
  --shadow-1:0 1px 2px rgba(18,33,28,.04), 0 12px 28px -14px rgba(18,33,28,.14);
  --shadow-2:0 2px 4px rgba(18,33,28,.06), 0 24px 48px -20px rgba(18,33,28,.26);
  --grad:linear-gradient(135deg,#17795E 0%,#2FB27C 52%,#A8E063 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media(min-width:768px){.container-x{padding:0 24px;}}

.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.grad-bar{width:44px;height:6px;border-radius:999px;background:var(--grad);}
.h1-hero{font-size:clamp(2.1rem,5vw,3.6rem);line-height:1.12;font-weight:800;letter-spacing:-.01em;}
.h2-sec{font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.2;font-weight:800;letter-spacing:-.01em;}
.h3-card{font-size:1.125rem;line-height:1.5;font-weight:700;}
.eyebrow{font-size:13px;letter-spacing:.06em;color:var(--muted);}
.lead{font-size:17px;line-height:1.85;color:var(--muted);}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px -16px rgba(18,33,28,.35);}
.nav-inner{height:64px;display:flex;align-items:center;gap:20px;}
@media(max-width:1023px){.nav-inner{height:58px;}}
.logo-mark{
  width:38px;height:38px;border-radius:14px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 10px 20px -12px rgba(23,121,94,.7);
}
.logo-text{font-weight:800;font-size:17px;letter-spacing:-.01em;line-height:1.2;}
.logo-sub{font-size:11px;letter-spacing:.16em;color:var(--muted);line-height:1.2;font-weight:600;}
.nav-links{display:none;align-items:center;gap:4px;margin-left:12px;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;font-weight:500;color:#28362F;border-radius:999px;white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-search{display:none;align-items:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--line);
  border-radius:999px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease;}
@media(min-width:1024px){.nav-search{display:flex;width:230px;}}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(203,242,76,.55);}
.nav-search input{border:0;outline:none;width:100%;background:transparent;font-size:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -12px rgba(255,106,43,.85);}
.btn-primary:hover{background:#F55C1C;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(255,106,43,.9);}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--mint);border-color:var(--brand-dark);color:var(--brand-dark);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#08120F;transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(14,31,26,.8);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.hamburger{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:14px;border:1px solid var(--line);background:#fff;
}
@media(min-width:1024px){.hamburger{display:none;}}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:var(--ink);
  color:#fff;transform:translateX(102%);transition:transform .3s ease;z-index:80;
  padding:24px 22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer a{color:#EAF6F0;}
.drawer a:hover{color:var(--lime);}
.drawer-scrim{position:fixed;inset:0;background:rgba(10,23,20,.55);opacity:0;pointer-events:none;
  transition:opacity .3s ease;z-index:70;}
.drawer-scrim.is-open{opacity:1;pointer-events:auto;}
body.drawer-locked{overflow:hidden;}

/* Hero */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 82% 18%,rgba(203,242,76,.22),transparent 62%),
    radial-gradient(520px 300px at 12% 88%,rgba(47,178,124,.28),transparent 66%),
    linear-gradient(135deg,#0E1F1A 0%,#12463A 46%,#17795E 100%);
}
.hero-inner{position:relative;z-index:1;padding:56px 0 64px;}
@media(min-width:768px){.hero-inner{padding:72px 0 84px;}}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(203,242,76,.14);border:1px solid rgba(203,242,76,.42);color:var(--lime);
  font-size:13px;letter-spacing:.06em;font-weight:600;
}
.hero-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:0 40px 80px -40px rgba(0,0,0,.75);}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,31,26,0) 42%,rgba(14,31,26,.78) 100%);
}
.badge-float{
  position:absolute;background:var(--lime);color:var(--ink);border-radius:18px;
  padding:12px 16px;box-shadow:0 18px 34px -18px rgba(0,0,0,.6);z-index:2;
  animation:floaty 6s ease-in-out infinite;
}
.badge-float.b2{animation-delay:-3s;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
.badge-float .n{font-size:1.6rem;font-weight:800;line-height:1.1;}
.badge-float .t{font-size:12px;font-weight:600;letter-spacing:.04em;opacity:.8;}
.hero-stats{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;}
.hero-stats .n{font-size:1.5rem;font-weight:800;}
.hero-stats .t{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.72);}

/* 数据条 */
.trust-strip{background:var(--lime);color:var(--ink);}
.trust-grid{display:grid;grid-template-columns:repeat(2,1fr);}
@media(min-width:768px){.trust-grid{grid-template-columns:repeat(4,1fr);}}
.trust-item{padding:26px 20px;border-right:1px solid rgba(14,31,26,.12);border-bottom:1px solid rgba(14,31,26,.12);}
@media(min-width:768px){.trust-item{border-bottom:0;}.trust-item:last-child{border-right:0;}}
.trust-item .n{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;line-height:1.1;}
.trust-item .t{font-size:13px;letter-spacing:.06em;font-weight:600;opacity:.78;}

/* 通用卡片 */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  overflow:hidden;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(23,121,94,.35);}
.card-pad{padding:20px;}
@media(min-width:768px){.card-pad{padding:24px;}}
.thumb{overflow:hidden;background:var(--grad);}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .thumb img{transform:scale(1.04);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--mint);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.tag-accent{background:rgba(255,106,43,.12);color:#D9521B;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#3A4942;line-height:1.7;}
.check svg{flex:0 0 auto;margin-top:4px;}
.price{color:var(--accent);font-weight:800;}
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.section{padding:64px 0;}
@media(min-width:768px){.section{padding:96px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;}
.text-link{color:var(--brand);font-weight:600;font-size:15px;border-bottom:1px solid rgba(23,121,94,.35);
  padding-bottom:2px;transition:color .2s ease,border-color .2s ease;}
.text-link:hover{color:var(--accent);border-color:var(--accent);}

/* 资讯 */
.news-card{display:flex;flex-direction:column;height:100%;}
.news-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);}
.news-card:hover h3{color:var(--brand);}
.empty-state{background:var(--mint);border:1px dashed rgba(23,121,94,.35);border-radius:var(--r-lg);
  padding:48px 24px;text-align:center;}

/* 评价 */
.quote-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;
  scrollbar-width:none;}
.quote-track::-webkit-scrollbar{display:none;}
.quote-card{scroll-snap-align:start;min-width:300px;max-width:360px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-1);}
@media(min-width:768px){.quote-card{min-width:360px;}}
.stars{display:flex;gap:3px;color:var(--accent);}
.avatar{width:44px;height:44px;border-radius:999px;background:var(--grad);display:flex;align-items:center;
  justify-content:center;color:#fff;font-weight:700;font-size:15px;flex:0 0 auto;}
.round-btn{width:44px;height:44px;border-radius:999px;border:1.5px solid var(--brand);color:var(--brand);
  display:none;align-items:center;justify-content:center;transition:background-color .2s ease,transform .2s ease;}
@media(min-width:1024px){.round-btn{display:inline-flex;}}
.round-btn:hover{background:var(--mint);transform:translateY(-2px);}

/* 保障条 */
.assure{background:var(--ink);color:#fff;}
.assure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
@media(min-width:1024px){.assure-grid{grid-template-columns:repeat(5,1fr);}}
.assure-item{display:flex;gap:14px;align-items:flex-start;}
.assure-ico{width:40px;height:40px;border-radius:12px;border:1px solid rgba(203,242,76,.5);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;color:var(--lime);}
.assure-item h3{font-size:15px;font-weight:700;}
.assure-item p{font-size:13px;color:rgba(255,255,255,.62);line-height:1.7;margin-top:4px;}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:14px 8px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;
  transition:color .2s ease,background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:600;color:var(--accent);line-height:1;
  transition:transform .26s ease,color .26s ease;flex:0 0 auto;
}
.faq-item[open] summary{color:var(--brand);background:var(--mint);border-radius:14px;}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--brand);}
.faq-body{padding:16px 8px 22px;font-size:15px;color:var(--muted);line-height:1.85;}

/* CTA */
.cta-card{
  position:relative;border-radius:var(--r-lg);background:var(--grad);color:#fff;overflow:hidden;
  padding:40px 26px;
}
@media(min-width:768px){.cta-card{padding:56px 48px;}}
.cta-rings{position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:999px;
  border:1px solid rgba(255,255,255,.32);}
.cta-rings::after{content:"";position:absolute;inset:44px;border-radius:999px;border:1px solid rgba(255,255,255,.26);}
.cta-dots{position:absolute;left:0;bottom:-40px;width:180px;height:180px;border-radius:999px;
  background:radial-gradient(circle,rgba(203,242,76,.5),transparent 68%);}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}}
.footer-title{color:#fff;font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:16px;}
.footer-link{display:inline-block;font-size:14px;padding:5px 0;transition:color .2s ease,transform .2s ease;}
.footer-link:hover{color:var(--lime);transform:translateX(2px);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55);}

/* 入场动画 */
.fade-up{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease;}
.fade-up.is-in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .fade-up{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#17795E;
  --brand-2:#2FB27C;
  --brand-3:#A8E063;
  --accent:#FF6A2B;
  --lime:#CBF24C;
  --ink:#0E1F1A;
  --paper:#F7F6F1;
  --card:#FFFFFF;
  --text:#12211C;
  --muted:#5B6B65;
  --line:#E6E9E2;
  --mint:#EAF6F0;
  --grad:linear-gradient(135deg,#17795E 0%,#2FB27C 52%,#A8E063 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh:0 1px 2px rgba(18,33,28,.04), 0 12px 28px -14px rgba(18,33,28,.14);
  --sh-lift:0 2px 4px rgba(18,33,28,.06), 0 22px 40px -18px rgba(18,33,28,.22);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;}
.tabular{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

/* ============ 容器 ============ */
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
@media (min-width:768px){
  .container-x{padding-left:24px;padding-right:24px;}
}
.wrap-900{max-width:900px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px -18px rgba(18,33,28,.5);}
.nav-row{
  display:flex;
  align-items:center;
  gap:18px;
  height:56px;
}
@media (min-width:768px){ .nav-row{height:64px;} }
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:999px;
  background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -8px rgba(23,121,94,.75);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.logo-sub{font-size:10px;letter-spacing:.18em;color:var(--muted);}
.nav-links{display:none;align-items:center;gap:26px;white-space:nowrap;margin-left:18px;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;transition:color .25s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--grad);border-radius:2px;transition:width .28s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{width:22px;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-search{position:relative;display:none;}
.nav-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:#8C9A94;fill:none;stroke-width:2;}
.nav-search input{
  width:230px;height:40px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  padding:0 16px 0 38px;font-size:14px;
  transition:border-color .2s,box-shadow .2s;
}
.nav-search input::placeholder{color:#9AA8A2;}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(203,242,76,.55);}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  transition:border-color .2s,background-color .2s;
}
.nav-toggle:hover{border-color:rgba(23,121,94,.45);background:var(--mint);}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .nav-search{display:block;}
  .nav-toggle{display:none;}
}
@media (max-width:420px){
  .logo-text{font-size:15px;}
  .logo-sub{display:none;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;border:0;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background-color .2s,filter .2s,color .2s,border-color .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -12px rgba(255,106,43,.9);}
.btn-primary:hover{filter:brightness(.95);transform:translateY(-2px);box-shadow:0 16px 26px -12px rgba(255,106,43,.85);}
.btn-primary:active{transform:scale(.98);}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent;}
.btn-outline:hover{background:var(--mint);border-color:#0f5c47;transform:translateY(-2px);}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{transform:translateY(-2px);box-shadow:0 16px 26px -16px rgba(14,31,26,.9);}
.btn-white{background:#fff;color:var(--ink);}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 26px -16px rgba(14,31,26,.55);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ============ 标签 / 徽章 ============ */
.tag-pill{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:var(--mint);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1.6;
}
.tag-pill-dark{background:rgba(203,242,76,.14);color:var(--lime);border:1px solid rgba(203,242,76,.28);}
.badge-lime{
  display:inline-flex;flex-direction:column;align-items:flex-start;
  background:var(--lime);color:var(--ink);
  border-radius:16px;padding:10px 14px;
  box-shadow:0 14px 30px -16px rgba(14,31,26,.6);
}
.badge-lime b{font-size:20px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
.badge-lime span{font-size:12px;letter-spacing:.05em;opacity:.75;margin-top:2px;}

/* ============ 移动端抽屉 ============ */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none;}
.drawer-backdrop{
  position:absolute;inset:0;background:rgba(14,31,26,.58);
  opacity:0;transition:opacity .3s var(--ease);
}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;
  width:84vw;max-width:360px;
  background:var(--ink);color:#fff;
  padding:20px;display:flex;flex-direction:column;gap:4px;
  transform:translateX(100%);
  transition:transform .34s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{pointer-events:auto;}
.drawer.is-open .drawer-backdrop{opacity:1;}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{
  width:44px;height:44px;border-radius:14px;border:1px solid rgba(203,242,76,.3);
  background:transparent;color:var(--lime);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-link{
  color:var(--lime);font-size:17px;font-weight:600;
  padding:14px 4px;border-bottom:1px solid rgba(203,242,76,.16);
}
.drawer-link:hover{color:#fff;}
.drawer-note{color:rgba(255,255,255,.55);font-size:13px;margin-top:16px;}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);padding:28px 0 18px;
}
.crumb a{color:var(--brand);font-weight:500;}
.crumb a:hover{color:var(--accent);}
.crumb-sep{color:#B7C2BC;}
.crumb-current{
  display:inline-block;max-width:260px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom;color:var(--muted);
}

/* ============ 文章头部 ============ */
.article-head{padding-bottom:26px;}
.article-title{
  font-size:clamp(1.6rem,3.4vw,2rem);
  line-height:1.28;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
  max-width:820px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:18px;font-size:13px;color:var(--muted);
}
.article-meta .dot{color:#C3CCC7;}
.article-rule{
  height:1px;margin-top:26px;
  background:linear-gradient(90deg,rgba(23,121,94,.55),rgba(168,224,99,.35),rgba(230,233,226,0));
}

/* ============ 主体布局 ============ */
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:48px;
  padding-bottom:64px;
}
@media (min-width:1024px){
  .layout{grid-template-columns:minmax(0,760px) 320px;gap:56px;}
}
.sidebar{display:none;}
@media (min-width:1024px){
  .sidebar{display:block;position:sticky;top:96px;align-self:start;}
}

/* ============ 正文排版 ============ */
.prose{
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  overflow-wrap:break-word;
  word-break:break-word;
}
.prose > * + *{margin-top:18px;}
.prose h2{
  position:relative;
  font-size:24px;font-weight:800;line-height:1.35;
  margin-top:40px;margin-bottom:16px;
  padding-left:14px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  border-radius:4px;background:var(--grad);
}
.prose h3{font-size:19px;font-weight:700;line-height:1.5;margin-top:32px;margin-bottom:12px;}
.prose h4{font-size:17px;font-weight:700;margin-top:26px;margin-bottom:10px;}
.prose p{margin-bottom:18px;}
.prose ul,.prose ol{display:flex;flex-direction:column;gap:10px;margin:18px 0;}
.prose ul li{position:relative;padding-left:22px;}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:8px;height:8px;border-radius:50%;background:var(--brand);
}
.prose ol{counter-reset:li;}
.prose ol li{position:relative;padding-left:36px;counter-increment:li;}
.prose ol li::before{
  content:counter(li);
  position:absolute;left:0;top:.3em;
  width:22px;height:22px;border-radius:50%;
  background:var(--brand);color:#fff;
  font-size:12px;font-weight:700;line-height:22px;text-align:center;
  font-variant-numeric:tabular-nums;
}
.prose blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--mint);
  border-left:4px solid var(--brand);
  border-radius:0 14px 14px 0;
  font-style:italic;
  color:#1B3A31;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{width:100%;height:auto;border-radius:16px;box-shadow:var(--sh);margin:24px 0;}
.prose figure{margin:24px 0;}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.prose a{color:var(--brand);font-weight:500;text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:var(--accent);}
.prose strong{font-weight:700;}
.prose hr{border:0;height:1px;background:var(--line);margin:32px 0;}
.prose pre{
  background:var(--ink);color:#DCEFE6;padding:18px 20px;
  border-radius:16px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.prose code{
  background:var(--mint);color:#0f5c47;
  padding:2px 6px;border-radius:6px;font-size:14px;
}
.prose pre code{background:none;color:inherit;padding:0;}
.prose table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
  font-size:15px;margin:24px 0;
}
.prose thead th{
  background:var(--mint);color:var(--brand);font-weight:700;
  text-align:left;padding:12px 16px;
}
.prose tbody td{padding:12px 16px;border-top:1px solid var(--line);}
.prose tbody tr:nth-child(even){background:#FAFBF8;}
@media (max-width:640px){
  .prose table{display:block;overflow-x:auto;white-space:nowrap;}
  .prose table thead,.prose table tbody,.prose table tr{display:block;}
  .prose table thead th,.prose table tbody td{display:block;border-top:1px solid var(--line);}
  .prose table thead th:first-child,.prose table tbody td:first-child{border-top:0;}
}

/* ============ 空态 ============ */
.empty-card{
  display:flex;flex-direction:column;align-items:flex-start;gap:16px;
  background:var(--mint);border:1px solid rgba(23,121,94,.15);
  border-radius:var(--r-lg);padding:32px;
}
.empty-card svg{width:48px;height:48px;stroke:var(--brand);fill:none;stroke-width:1.6;}
.empty-card h2{font-size:20px;font-weight:800;}
.empty-card p{color:var(--muted);font-size:15px;}

/* ============ 侧栏 ============ */
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh);
}
.side-card + .side-card{margin-top:20px;}
.side-title{
  display:flex;align-items:center;gap:10px;
  font-size:15px;font-weight:800;margin-bottom:16px;color:var(--text);
}
.side-title::before{
  content:"";width:4px;height:16px;border-radius:4px;background:var(--grad);
}
.rank-list{display:flex;flex-direction:column;}
.rank-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;border-top:1px solid var(--line);
  transition:color .2s var(--ease);
}
.rank-item:first-child{border-top:0;}
.rank-num{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;
  background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:800;line-height:22px;text-align:center;
  font-variant-numeric:tabular-nums;margin-top:3px;
}
.rank-item span{font-size:14px;line-height:1.6;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rank-item:hover span{color:var(--brand);}
.mini-rec{display:flex;gap:12px;align-items:center;padding:11px 0;border-top:1px solid var(--line);}
.mini-rec:first-of-type{border-top:0;}
.mini-thumb{
  width:66px;height:50px;border-radius:12px;flex-shrink:0;
  background:var(--grad);overflow:hidden;
}
.mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-rec p{
  font-size:14px;line-height:1.55;font-weight:500;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-rec:hover p{color:var(--brand);}

/* ============ 上下篇 / 标签 ============ */
.nav-pair{
  display:grid;grid-template-columns:1fr;gap:16px;margin-top:44px;
}
@media (min-width:640px){ .nav-pair{grid-template-columns:1fr 1fr;} }
.pair-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 20px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.pair-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lift);border-color:rgba(23,121,94,.35);}
.pair-label{font-size:12px;letter-spacing:.12em;color:var(--muted);}
.pair-title{
  margin-top:8px;font-size:15px;font-weight:700;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pair-card:hover .pair-title{color:var(--brand);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
  transition:border-color .2s,color .2s,background-color .2s;
}
.tag:hover{border-color:rgba(23,121,94,.4);color:var(--brand);background:var(--mint);}
.center-action{display:flex;justify-content:center;margin-top:34px;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--grad);
  padding:32px 26px;
  margin-top:48px;
  color:#fff;
}
@media (min-width:768px){ .cta-band{padding:40px 44px;} }
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;
  width:230px;height:230px;border-radius:50%;
  background:radial-gradient(circle,rgba(203,242,76,.5),rgba(203,242,76,0) 70%);
}
.cta-band h2{font-size:clamp(1.35rem,2.6vw,1.8rem);font-weight:800;line-height:1.3;position:relative;z-index:1;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.92);position:relative;z-index:1;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;position:relative;z-index:1;}

/* ============ 移动端相关推荐 ============ */
.mobile-rec{display:block;margin-top:44px;}
@media (min-width:1024px){ .mobile-rec{display:none;} }
.mobile-rec-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:16px;}
@media (min-width:640px){ .mobile-rec-grid{grid-template-columns:1fr 1fr;} }
.mobile-rec-card{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.mobile-rec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lift);border-color:rgba(23,121,94,.35);}
.mobile-rec-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.mobile-rec-card p{padding:14px 16px;font-size:14.5px;font-weight:600;line-height:1.6;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);font-size:14px;line-height:1.8;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;} }
.footer-title{
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--lime);font-weight:700;margin-bottom:16px;
}
.footer-link{
  display:inline-block;padding:5px 0;color:rgba(255,255,255,.78);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link:hover{color:var(--lime);transform:translateX(2px);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.55);font-size:13px;}

/* roulang page: category1 */
:root{
    --brand:#17795E;
    --brand-2:#2FB27C;
    --brand-3:#A8E063;
    --accent:#FF6A2B;
    --lime:#CBF24C;
    --ink:#0E1F1A;
    --paper:#F7F6F1;
    --card:#FFFFFF;
    --text:#12211C;
    --muted:#5B6B65;
    --line:#E6E9E2;
    --soft:#EAF6F0;
    --radius-lg:24px;
    --radius-md:18px;
    --radius-sm:12px;
    --shadow-soft:0 1px 2px rgba(18,33,28,.04),0 12px 28px -14px rgba(18,33,28,.14);
    --shadow-lift:0 2px 4px rgba(18,33,28,.05),0 24px 48px -20px rgba(18,33,28,.22);
    --grad-brand:linear-gradient(135deg,#17795E 0%,#2FB27C 52%,#A8E063 100%);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--text);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
  button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
  input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4,p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
  .num{font-variant-numeric:tabular-nums;}

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

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(255,255,255,.94);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-soft);}
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    height:64px;
  }
  .header-left{display:flex;align-items:center;gap:28px;min-width:0;}
  .brand{display:flex;align-items:center;gap:10px;flex:none;}
  .logo-mark{
    width:36px;height:36px;
    border-radius:999px;
    background:var(--grad-brand);
    display:inline-flex;align-items:center;justify-content:center;
    box-shadow:0 6px 16px -8px rgba(23,121,94,.6);
    flex:none;
  }
  .logo-text{
    font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--ink);line-height:1.2;
  }
  .logo-sub{
    font-size:11px;letter-spacing:.14em;color:var(--muted);line-height:1.2;
  }
  .nav-links{display:flex;align-items:center;gap:26px;}
  .nav-link{
    position:relative;
    font-size:15px;
    font-weight:500;
    color:var(--text);
    white-space:nowrap;
    padding:6px 0;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;bottom:0;
    height:2px;width:100%;
    border-radius:2px;
    background:linear-gradient(90deg,var(--brand),var(--brand-3));
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .28s ease;
  }
  .nav-link:hover{color:var(--brand);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--brand);font-weight:700;}
  .nav-link.is-active::after{transform:scaleX(.42);}
  .header-right{display:flex;align-items:center;gap:12px;}
  .search-box{position:relative;display:none;}
  .search-box input{
    width:230px;height:40px;
    border-radius:999px;
    border:1px solid var(--line);
    background:#fff;
    padding:0 16px 0 40px;
    font-size:14px;
    outline:none;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-box input::placeholder{color:#8b988f;}
  .search-box input:focus{
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(203,242,76,.6);
  }
  .search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);opacity:.55;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 24px;
    border-radius:999px;
    font-size:15px;font-weight:600;
    transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease;
    cursor:pointer;
  }
  .btn-primary{
    background:var(--accent);color:#fff;
    box-shadow:0 10px 22px -12px rgba(255,106,43,.85);
  }
  .btn-primary:hover{filter:brightness(.95);transform:translateY(-2px);box-shadow:0 16px 28px -12px rgba(255,106,43,.9);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{
    border:1.5px solid var(--brand);
    color:var(--brand);
    background:transparent;
  }
  .btn-ghost:hover{background:var(--soft);border-color:#0f6049;}
  .btn-ghost:active{transform:scale(.98);}
  .btn-light{
    background:#fff;color:var(--ink);
    box-shadow:0 10px 22px -14px rgba(14,31,26,.6);
  }
  .btn-light:hover{transform:translateY(-2px);}
  .btn-dark{
    background:var(--ink);color:#fff;
  }
  .btn-dark:hover{transform:translateY(-2px);background:#0a1a15;}
  .btn-sm{height:40px;padding:0 20px;font-size:14px;}
  .btn-block{width:100%;}
  .hamburger{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:14px;
    border:1px solid var(--line);background:#fff;
  }
  .hamburger:hover{border-color:var(--brand);}
  .drawer{
    position:fixed;inset:0;z-index:80;
    display:none;
  }
  .drawer.is-open{display:block;}
  .drawer-veil{position:absolute;inset:0;background:rgba(14,31,26,.5);}
  .drawer-panel{
    position:absolute;top:0;right:0;bottom:0;
    width:84vw;max-width:360px;
    background:var(--ink);
    padding:22px 22px 32px;
    display:flex;flex-direction:column;gap:6px;
    overflow-y:auto;
    animation:drawerIn .3s ease;
  }
  @keyframes drawerIn{from{transform:translateX(24px);opacity:.2;}to{transform:translateX(0);opacity:1;}}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
  .drawer-close{
    width:40px;height:40px;border-radius:12px;
    border:1px solid rgba(203,242,76,.35);
    color:var(--lime);display:inline-flex;align-items:center;justify-content:center;
  }
  .drawer-link{
    color:var(--lime);
    font-size:16px;font-weight:600;
    padding:13px 4px;
    border-bottom:1px solid rgba(203,242,76,.14);
  }
  .drawer-link.is-active{color:#fff;}

  /* ---------- Breadcrumb ---------- */
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;flex-wrap:wrap;}
  .breadcrumb a{color:rgba(255,255,255,.82);}
  .breadcrumb a:hover{color:var(--lime);}
  .breadcrumb span{color:rgba(255,255,255,.72);}

  /* ---------- Category hero ---------- */
  .cat-hero{
    position:relative;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
    overflow:hidden;
    isolation:isolate;
  }
  .cat-hero::before{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(115deg,rgba(14,31,26,.94) 0%,rgba(23,121,94,.86) 46%,rgba(47,178,124,.55) 100%);
    z-index:-1;
  }
  .cat-hero::after{
    content:"";
    position:absolute;
    right:-120px;top:-120px;
    width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(203,242,76,.32) 0%,rgba(203,242,76,0) 68%);
    z-index:-1;
  }
  .cat-hero-inner{
    padding-top:52px;
    padding-bottom:56px;
    min-height:380px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:18px;
    color:#fff;
  }
  .hero-badge{
    align-self:flex-start;
    display:inline-flex;align-items:center;gap:8px;
    background:var(--lime);
    color:var(--ink);
    font-size:12px;font-weight:700;letter-spacing:.06em;
    padding:7px 14px;border-radius:999px;
  }
  .cat-hero h1{
    font-size:clamp(1.9rem,4vw,3rem);
    line-height:1.22;
    font-weight:800;
    letter-spacing:-.01em;
    max-width:820px;
  }
  .cat-hero p{
    font-size:16px;
    color:rgba(255,255,255,.86);
    max-width:640px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;}
  .hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:14px;}
  .hero-stat{display:flex;flex-direction:column;gap:2px;}
  .hero-stat b{font-size:22px;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;}

  /* ---------- Anchor bar ---------- */
  .anchor-bar{
    position:sticky;
    top:64px;
    z-index:40;
    background:rgba(255,255,255,.96);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .anchor-scroll{
    display:flex;
    gap:28px;
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
    padding:14px 0;
  }
  .anchor-scroll::-webkit-scrollbar{display:none;}
  .anchor-link{
    position:relative;
    flex:none;
    font-size:14px;
    font-weight:500;
    color:var(--muted);
    padding-bottom:6px;
    white-space:nowrap;
  }
  .anchor-link::after{
    content:"";
    position:absolute;left:0;bottom:0;
    height:2px;width:100%;border-radius:2px;
    background:var(--brand);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .26s ease;
  }
  .anchor-link:hover{color:var(--brand);}
  .anchor-link.is-current{color:var(--brand);font-weight:700;}
  .anchor-link.is-current::after{transform:scaleX(1);}

  /* ---------- Sections ---------- */
  .section{padding-top:64px;padding-bottom:64px;}
  .section-white{background:#fff;}
  .section-soft{background:var(--soft);}
  .section-head{max-width:760px;margin-bottom:36px;}
  .eyebrow{
    font-size:12px;
    letter-spacing:.16em;
    color:var(--brand);
    font-weight:700;
  }
  .section-head h2{
    font-size:clamp(1.5rem,2.6vw,2.1rem);
    font-weight:800;
    line-height:1.25;
    margin-top:10px;
    position:relative;
    padding-left:16px;
  }
  .section-head h2::before{
    content:"";
    position:absolute;left:0;top:6px;bottom:6px;
    width:4px;border-radius:4px;
    background:linear-gradient(180deg,var(--brand),var(--brand-3));
  }
  .section-head p{color:var(--muted);margin-top:12px;font-size:15px;}

  /* ---------- Layout split ---------- */
  .split{
    display:grid;
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:40px;
    align-items:start;
  }
  .prose h3{
    font-size:19px;font-weight:700;margin-top:30px;margin-bottom:10px;
  }
  .prose p{color:#243530;margin-bottom:16px;}
  .prose-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:12px;}
  .prose-list li{
    display:flex;gap:12px;align-items:flex-start;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    padding:14px 16px;font-size:15px;color:#213028;
  }
  .prose-list li .dot{
    flex:none;width:22px;height:22px;border-radius:999px;
    background:var(--soft);color:var(--brand);
    display:inline-flex;align-items:center;justify-content:center;
    font-size:12px;font-weight:800;margin-top:4px;
  }

  .info-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:26px;
    box-shadow:var(--shadow-soft);
    position:sticky;
    top:140px;
  }
  .info-card h3{font-size:17px;font-weight:800;margin-bottom:6px;}
  .info-list{margin-top:14px;display:flex;flex-direction:column;gap:0;}
  .info-list li{
    display:flex;justify-content:space-between;gap:14px;
    font-size:14px;padding:12px 0;border-bottom:1px dashed var(--line);
  }
  .info-list li:last-child{border-bottom:0;}
  .info-list span:first-child{color:var(--muted);}
  .info-list span:last-child{font-weight:700;color:var(--ink);text-align:right;}
  .badge-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0;}
  .data-badge{
    background:var(--lime);
    border-radius:var(--radius-md);
    padding:14px 16px;
    color:var(--ink);
  }
  .data-badge b{display:block;font-size:1.75rem;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
  .data-badge span{font-size:12px;letter-spacing:.04em;}

  /* ---------- Spec cards ---------- */
  .spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .spec-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    overflow:hidden;
    box-shadow:var(--shadow-soft);
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
    display:flex;flex-direction:column;
  }
  .spec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:rgba(23,121,94,.35);}
  .spec-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--grad-brand);}
  .spec-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
  .spec-card:hover .spec-media img{transform:scale(1.04);}
  .spec-num{
    position:absolute;left:16px;top:16px;
    background:var(--lime);
    color:var(--ink);
    font-size:13px;font-weight:800;letter-spacing:.04em;
    padding:6px 12px;border-radius:999px;
  }
  .spec-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
  .spec-body h3{font-size:18px;font-weight:800;}
  .spec-body p{font-size:14px;color:var(--muted);}
  .tag{
    display:inline-flex;align-items:center;
    background:var(--soft);color:var(--brand);
    font-size:12px;letter-spacing:.04em;font-weight:600;
    padding:5px 12px;border-radius:999px;
  }
  .check-list{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
  .check-list li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:#22312a;}
  .check-list svg{flex:none;margin-top:5px;}
  .spec-foot{
    margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:12px;
  }
  .price{color:var(--accent);font-weight:800;font-size:19px;font-variant-numeric:tabular-nums;}
  .price small{font-size:12px;color:var(--muted);font-weight:500;}

  /* ---------- Compare ---------- */
  .compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
  .compare-card{
    background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:24px;
    display:flex;flex-direction:column;gap:14px;
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  }
  .compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:rgba(23,121,94,.35);}
  .compare-card.is-featured{border:1.5px solid var(--brand);box-shadow:var(--shadow-soft);}
  .compare-head{
    display:inline-flex;align-self:flex-start;
    background:var(--ink);color:var(--lime);
    font-size:12px;font-weight:700;letter-spacing:.06em;
    padding:6px 12px;border-radius:999px;
  }
  .compare-card h3{font-size:18px;font-weight:800;}
  .compare-rows{display:flex;flex-direction:column;gap:0;margin-top:2px;}
  .compare-rows div{
    display:flex;justify-content:space-between;gap:12px;
    font-size:14px;padding:11px 0;border-bottom:1px dashed var(--line);
  }
  .compare-rows div:last-child{border-bottom:0;}
  .compare-rows span:first-child{color:var(--muted);}
  .compare-rows span:last-child{font-weight:700;text-align:right;}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:900px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    min-height:64px;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    font-size:16px;font-weight:600;
    padding:14px 4px;
    transition:color .22s ease,background-color .22s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--brand);}
  .faq-item summary .plus{
    flex:none;width:26px;height:26px;border-radius:999px;
    border:1.5px solid var(--line);
    display:inline-flex;align-items:center;justify-content:center;
    color:var(--accent);font-size:18px;line-height:1;
    transition:transform .26s ease,border-color .26s ease,background-color .26s ease;
  }
  .faq-item[open] summary{color:var(--brand);background:var(--soft);padding-left:14px;padding-right:14px;border-radius:12px;}
  .faq-item[open] summary .plus{transform:rotate(45deg);border-color:var(--brand);background:#fff;}
  .faq-body{padding:14px 6px 22px;color:#2b3a34;font-size:15px;}

  /* ---------- CTA ---------- */
  .cta-card{
    position:relative;
    border-radius:var(--radius-lg);
    background:var(--grad-brand);
    color:#fff;
    padding:46px 40px;
    overflow:hidden;
    display:grid;
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:28px;
    align-items:center;
  }
  .cta-card::after{
    content:"";
    position:absolute;right:-80px;bottom:-120px;
    width:340px;height:340px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 70%);
  }
  .cta-card h2{font-size:clamp(1.4rem,2.4vw,2rem);font-weight:800;line-height:1.3;}
  .cta-card p{margin-top:10px;color:rgba(255,255,255,.9);font-size:15px;max-width:460px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
  .cta-shapes{position:relative;height:180px;display:none;}

  /* ---------- Footer ---------- */
  .site-footer{
    background:var(--ink);
    color:rgba(255,255,255,.78);
    font-size:14px;
    margin-top:72px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1.2fr;
    gap:36px;
  }
  .footer-title{
    font-size:13px;letter-spacing:.12em;font-weight:700;
    color:#fff;margin-bottom:14px;
  }
  .footer-link{
    font-size:14px;color:rgba(255,255,255,.78);
    padding:5px 0;
    transition:color .2s ease,transform .2s ease;
    display:inline-block;
  }
  .footer-link:hover{color:var(--lime);transform:translateX(2px);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    font-size:13px;color:rgba(255,255,255,.6);
  }

  /* ---------- Animations ---------- */
  @keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-9px);}}
  .fade-up{opacity:0;transform:translateY(20px);}
  .fade-up.is-in{opacity:1;transform:translateY(0);transition:opacity .5s ease,transform .5s ease;}

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation:none !important;transition:none !important;}
    .fade-up{opacity:1;transform:none;}
    html{scroll-behavior:auto;}
  }

  /* ---------- Responsive ---------- */
  @media (min-width:1024px){
    .search-box{display:block;}
    .hamburger{display:none;}
    .cta-shapes{display:block;}
  }
  @media (max-width:1023px){
    .nav-links{display:none;}
    .split{grid-template-columns:1fr;gap:32px;}
    .info-card{position:static;}
    .compare-grid{grid-template-columns:1fr;gap:18px;}
    .cta-card{grid-template-columns:1fr;padding:36px 28px;}
  }
  @media (max-width:767px){
    .container-x{padding-left:16px;padding-right:16px;}
    .spec-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .cat-hero-inner{min-height:340px;padding-top:40px;padding-bottom:44px;}
    .section{padding-top:48px;padding-bottom:48px;}
    .anchor-bar{top:56px;}
    .header-inner{height:56px;}
    .logo-text{font-size:16px;}
  }
  @media (max-width:520px){
    .header-left{gap:14px;}
    .logo-sub{display:none;}
    .hero-actions{flex-direction:column;align-items:stretch;}
    .hero-actions .btn{width:100%;}
    .hero-stats{gap:20px;}
    .footer-grid{grid-template-columns:1fr;}
    .badge-row{grid-template-columns:1fr;}
    .cta-card{padding:30px 20px;}
  }

/* roulang page: category2 */
:root{
    --brand:#17795E;
    --brand-2:#2FB27C;
    --brand-3:#A8E063;
    --accent:#FF6A2B;
    --lime:#CBF24C;
    --ink:#0E1F1A;
    --paper:#F7F6F1;
    --text:#12211C;
    --muted:#5B6B65;
    --line:#E6E9E2;
    --mint:#EAF6F0;
    --radius-lg:24px;
    --radius-md:18px;
    --radius-sm:12px;
    --shadow-1:0 1px 2px rgba(18,33,28,.04), 0 12px 28px -14px rgba(18,33,28,.14);
    --shadow-2:0 2px 4px rgba(18,33,28,.05), 0 22px 40px -18px rgba(18,33,28,.22);
    --grad:linear-gradient(135deg,#17795E 0%,#2FB27C 55%,#A8E063 100%);
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    background:var(--paper);
    color:var(--text);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; transition:color .25s ease, background-color .25s ease, border-color .25s ease, transform .25s ease; }
  button,input,select,textarea{ font:inherit; color:inherit; }
  h1,h2,h3,h4{ margin:0; line-height:1.2; letter-spacing:-.01em; }
  p{ margin:0; }
  ul,ol{ margin:0; padding:0; list-style:none; }
  .num{ font-variant-numeric:tabular-nums; }
  :focus-visible{ outline:2px solid var(--lime); outline-offset:2px; border-radius:6px; }

  .container-x{ width:100%; max-width:1200px; margin:0 auto; padding-left:24px; padding-right:24px; }
  @media (max-width:640px){ .container-x{ padding-left:16px; padding-right:16px; } }

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky; top:0; z-index:50;
    background:rgba(255,255,255,.94);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .3s ease;
  }
  .site-header.is-scrolled{ box-shadow:0 8px 24px -18px rgba(18,33,28,.35); }
  .header-inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; height:64px; }
  .brand{ display:inline-flex; align-items:center; gap:10px; }
  .logo-mark{
    width:36px; height:36px; flex:none;
    display:inline-flex; align-items:center; justify-content:center;
    border-radius:12px; background:var(--grad);
    box-shadow:0 10px 20px -12px rgba(23,121,94,.9);
  }
  .logo-text{ font-size:16px; font-weight:800; letter-spacing:-.01em; color:var(--text); line-height:1.15; }
  .logo-sub{ font-size:11px; letter-spacing:.16em; color:var(--muted); line-height:1.3; }

  .nav-links{ display:flex; align-items:center; gap:28px; }
  .nav-link{ position:relative; font-size:15px; font-weight:500; color:var(--text); padding:6px 0; white-space:nowrap; }
  .nav-link::after{
    content:""; position:absolute; left:0; bottom:0; height:2px; width:0;
    background:linear-gradient(90deg,#17795E,#A8E063); border-radius:2px;
    transition:width .3s ease;
  }
  .nav-link:hover{ color:var(--brand); }
  .nav-link:hover::after{ width:100%; }
  .nav-link.is-active{ color:var(--brand); font-weight:700; }
  .nav-link.is-active::after{ width:100%; }

  .menu-btn{
    display:none; width:44px; height:44px; flex:none;
    align-items:center; justify-content:center;
    background:#fff; border:1px solid var(--line); border-radius:14px; cursor:pointer;
    transition:border-color .25s ease, background-color .25s ease;
  }
  .menu-btn:hover{ border-color:var(--brand); background:var(--mint); }
  @media (max-width:1023px){
    .nav-links{ display:none; }
    .menu-btn{ display:inline-flex; }
  }

  /* ============ 移动端抽屉 ============ */
  .drawer-mask{
    position:fixed; inset:0; z-index:70;
    background:rgba(14,31,26,.55);
    opacity:0; pointer-events:none; transition:opacity .3s ease;
  }
  .drawer-mask.is-open{ opacity:1; pointer-events:auto; }
  .drawer{
    position:fixed; top:0; right:0; z-index:80;
    height:100%; width:84vw; max-width:360px;
    background:var(--ink); padding:22px 22px 40px;
    transform:translateX(100%);
    transition:transform .34s cubic-bezier(.22,1,.36,1);
    display:flex; flex-direction:column;
  }
  .drawer.is-open{ transform:translateX(0); }
  .drawer-head{ display:flex; align-items:center; justify-content:space-between; gap:12px; }
  .drawer-close{
    width:40px; height:40px; border-radius:12px; cursor:pointer;
    background:transparent; border:1px solid rgba(203,242,76,.3);
    color:var(--lime); font-size:20px; line-height:1;
    display:inline-flex; align-items:center; justify-content:center;
  }
  .drawer-close:hover{ background:rgba(203,242,76,.12); }
  .drawer-nav{ display:flex; flex-direction:column; margin-top:22px; }
  .drawer-nav a{
    padding:15px 2px; font-size:16px; color:rgba(255,255,255,.86);
    border-bottom:1px solid rgba(203,242,76,.16);
  }
  .drawer-nav a:hover{ color:var(--lime); transform:translateX(2px); }
  .drawer-nav a.is-active{ color:var(--lime); font-weight:700; }
  .drawer-note{ margin-top:auto; font-size:13px; color:rgba(255,255,255,.55); line-height:1.7; }
  body.no-scroll{ overflow:hidden; }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    height:44px; padding:0 24px; border-radius:999px;
    font-size:15px; font-weight:600; cursor:pointer; border:none;
    transition:transform .25s ease, filter .25s ease, box-shadow .25s ease, background-color .25s ease, border-color .25s ease;
  }
  .btn-primary{ background:var(--accent); color:#fff; box-shadow:0 14px 26px -16px rgba(255,106,43,.95); }
  .btn-primary:hover{ filter:brightness(.95); transform:translateY(-2px); box-shadow:0 20px 32px -16px rgba(255,106,43,.95); }
  .btn-primary:active{ transform:scale(.98); }
  .btn-ghost{ background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,.7); }
  .btn-ghost:hover{ background:rgba(255,255,255,.14); border-color:#fff; transform:translateY(-2px); }
  .btn-outline{ background:#fff; color:var(--brand); border:1.5px solid var(--brand); }
  .btn-outline:hover{ background:var(--mint); border-color:#0f5f49; transform:translateY(-2px); }
  .btn-dark{ background:var(--ink); color:#fff; }
  .btn-dark:hover{ filter:brightness(1.12); transform:translateY(-2px); }
  .btn:disabled,.btn[aria-disabled="true"]{ opacity:.6; cursor:not-allowed; transform:none; }

  /* ============ 分类 Hero ============ */
  .cat-hero{
    position:relative;
    min-height:390px;
    display:flex; align-items:center;
    padding:64px 0;
    background-image:linear-gradient(120deg,rgba(10,26,21,.9) 0%,rgba(23,121,94,.76) 55%,rgba(47,178,124,.55) 100%),url('/assets/images/backpic/back-2.png');
    background-size:cover; background-position:center;
    color:#fff;
    overflow:hidden;
  }
  .cat-hero::after{
    content:""; position:absolute; right:-120px; top:-80px; width:420px; height:420px;
    background:radial-gradient(circle,rgba(203,242,76,.28) 0%,transparent 68%);
    pointer-events:none;
  }
  .cat-hero .inner{ position:relative; z-index:2; max-width:760px; }
  .crumb{ display:flex; align-items:center; gap:10px; font-size:13px; letter-spacing:.06em; color:rgba(255,255,255,.72); margin-bottom:20px; }
  .crumb a:hover{ color:var(--lime); }
  .crumb .sep{ opacity:.55; }
  .hero-kicker{
    display:inline-flex; align-items:center; gap:8px;
    padding:6px 14px; border-radius:999px;
    background:rgba(203,242,76,.16); border:1px solid rgba(203,242,76,.4);
    color:var(--lime); font-size:12px; font-weight:700; letter-spacing:.12em;
    margin-bottom:18px;
  }
  .cat-hero h1{
    font-size:clamp(1.85rem,3.7vw,2.85rem);
    font-weight:800; line-height:1.16; letter-spacing:-.01em;
    margin-bottom:16px;
  }
  .cat-hero h1 em{ font-style:normal; color:var(--lime); }
  .cat-hero .lead{ font-size:16px; color:rgba(255,255,255,.85); max-width:640px; margin-bottom:28px; }

  /* ============ 锚点筛选条 ============ */
  .anchor-bar{
    position:sticky; top:64px; z-index:40;
    background:rgba(247,246,241,.96);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  @media (max-width:640px){ .anchor-bar{ top:64px; } }
  .anchor-track{ display:flex; gap:28px; overflow-x:auto; padding:14px 0; scrollbar-width:none; }
  .anchor-track::-webkit-scrollbar{ display:none; }
  .anchor-item{
    position:relative; white-space:nowrap; font-size:14px; font-weight:600;
    color:var(--muted); padding-bottom:6px; border-bottom:2px solid transparent;
  }
  .anchor-item:hover{ color:var(--brand); }
  .anchor-item.is-active{ color:var(--brand); border-color:var(--brand); }

  /* ============ 板块 ============ */
  .section{ padding:64px 0; }
  @media (min-width:768px){ .section{ padding:96px 0; } }
  .section[id]{ scroll-margin-top:130px; }
  .sec-title{
    font-size:clamp(1.55rem,3vw,2.2rem); font-weight:800; letter-spacing:-.01em;
    display:flex; align-items:center; gap:14px; margin-bottom:16px;
  }
  .sec-title::before{
    content:""; width:6px; height:30px; border-radius:4px; background:var(--grad); flex:none;
  }
  .sec-desc{ color:var(--muted); font-size:16px; max-width:720px; }

  /* ============ 开篇 ============ */
  .intro-wrap{ max-width:820px; }
  .intro-wrap p + p{ margin-top:18px; }
  .intro-wrap p{ color:#25352f; }
  .intro-tags{ display:flex; flex-wrap:wrap; gap:10px; margin-top:26px; }
  .tag{
    display:inline-flex; align-items:center; gap:6px;
    padding:6px 14px; border-radius:999px;
    background:var(--mint); color:var(--brand);
    font-size:12px; font-weight:700; letter-spacing:.04em;
  }

  /* ============ 交错图文 ============ */
  .zigzag{
    display:grid; grid-template-columns:1fr 1fr;
    gap:52px; align-items:center;
    padding-bottom:64px; margin-bottom:64px;
    border-bottom:1px dashed var(--line);
  }
  .zigzag:last-of-type{ border-bottom:none; margin-bottom:0; padding-bottom:0; }
  .zigzag.flip .zz-media{ order:2; }
  .zz-media{
    position:relative; border-radius:var(--radius-lg); overflow:hidden;
    aspect-ratio:4/3; box-shadow:var(--shadow-1);
    border:1px solid var(--line); background:var(--grad);
  }
  .zz-media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
  .zz-media:hover img{ transform:scale(1.04); }
  .zz-index{
    font-size:13px; font-weight:800; letter-spacing:.2em;
    color:var(--brand); margin-bottom:12px; display:block;
  }
  .zz-body h3{ font-size:1.25rem; font-weight:800; margin-bottom:14px; }
  .zz-body p{ color:#33443d; margin-bottom:16px; }
  .zz-link{
    display:inline-flex; align-items:center; gap:8px;
    font-size:14px; font-weight:700; color:var(--brand);
    border-bottom:1px solid rgba(23,121,94,.45); padding-bottom:2px;
  }
  .zz-link:hover{ color:var(--accent); border-color:var(--accent); }
  .zz-link .arw{ transition:transform .25s ease; }
  .zz-link:hover .arw{ transform:translateX(4px); }
  @media (max-width:900px){
    .zigzag{ grid-template-columns:1fr; gap:26px; padding-bottom:44px; margin-bottom:44px; }
    .zigzag.flip .zz-media{ order:0; }
  }

  /* ============ 数据徽章带 ============ */
  .badge-band{ background:var(--lime); padding:44px 0; }
  .badge-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
  .badge-cell{ display:flex; flex-direction:column; gap:6px; }
  .badge-cell + .badge-cell{ border-left:1px solid rgba(14,31,26,.16); padding-left:24px; }
  .badge-value{ font-size:clamp(1.6rem,3vw,2.1rem); font-weight:800; color:var(--ink); letter-spacing:-.02em; }
  .badge-label{ font-size:13px; font-weight:600; letter-spacing:.06em; color:rgba(14,31,26,.75); }
  @media (max-width:760px){
    .badge-grid{ grid-template-columns:1fr; gap:18px; }
    .badge-cell + .badge-cell{ border-left:none; padding-left:0; border-top:1px solid rgba(14,31,26,.16); padding-top:18px; }
  }

  /* ============ FAQ + 表单 ============ */
  .split-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:start; }
  @media (max-width:1023px){ .split-grid{ grid-template-columns:1fr; gap:40px; } }

  .faq-list{ border-top:1px solid var(--line); }
  .faq-item{ border-bottom:1px solid var(--line); }
  .faq-item summary{
    list-style:none; cursor:pointer;
    min-height:64px; display:flex; align-items:center; justify-content:space-between; gap:16px;
    padding:14px 4px; font-weight:700; font-size:16px;
    transition:color .25s ease, background-color .25s ease;
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary:hover{ color:var(--brand); }
  .faq-plus{
    width:26px; height:26px; flex:none; border-radius:50%;
    display:inline-flex; align-items:center; justify-content:center;
    color:var(--accent); font-size:20px; line-height:1;
    transition:transform .26s ease;
  }
  .faq-item[open] summary{ color:var(--brand); background:var(--mint); border-radius:12px; }
  .faq-item[open] .faq-plus{ transform:rotate(45deg); }
  .faq-body{ padding:4px 4px 20px; color:#3a4a44; font-size:15px; }

  .form-card{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
    padding:28px; box-shadow:var(--shadow-1);
  }
  .form-card h3{ font-size:1.15rem; font-weight:800; margin-bottom:6px; }
  .form-card .hint{ font-size:13px; color:var(--muted); margin-bottom:22px; }
  .field{ margin-bottom:18px; }
  .field label{ display:block; font-size:13px; font-weight:700; color:#2a3a34; margin-bottom:8px; letter-spacing:.02em; }
  .req{ color:var(--accent); margin-left:4px; }
  .field input,.field select,.field textarea{
    width:100%; padding:12px 14px; border-radius:var(--radius-sm);
    border:1px solid var(--line); background:#fcfcfb; font-size:15px;
    transition:border-color .25s ease, box-shadow .25s ease, background-color .25s ease;
  }
  .field textarea{ min-height:104px; resize:vertical; }
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none; border-color:var(--brand); background:#fff;
    box-shadow:0 0 0 3px rgba(203,242,76,.55);
  }
  .field.has-error input,.field.has-error select,.field.has-error textarea{
    border-color:#d64545; background:#fff7f7;
  }
  .err-msg{ display:none; margin-top:6px; font-size:12.5px; color:#c53b3b; }
  .field.has-error .err-msg{ display:block; }
  .form-note{ font-size:12.5px; color:var(--muted); margin-top:14px; line-height:1.7; }
  .form-ok{
    display:none; margin-top:16px; padding:12px 16px; border-radius:12px;
    background:var(--mint); color:var(--brand); font-size:14px; font-weight:600;
  }
  .form-ok.is-show{ display:block; }

  /* ============ 保障条 ============ */
  .assure{ background:var(--ink); color:#fff; padding:64px 0; }
  .assure-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:24px; }
  .assure-item{ display:flex; gap:14px; align-items:flex-start; }
  .assure-icon{
    width:40px; height:40px; flex:none; border-radius:12px;
    border:1px solid rgba(203,242,76,.45);
    display:inline-flex; align-items:center; justify-content:center;
    color:var(--lime);
  }
  .assure-item h4{ font-size:15px; font-weight:800; margin-bottom:4px; color:#fff; }
  .assure-item p{ font-size:13px; color:rgba(255,255,255,.62); line-height:1.7; }
  @media (max-width:1023px){ .assure-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (max-width:520px){ .assure-grid{ grid-template-columns:1fr; } }

  /* ============ 页脚 ============ */
  .site-footer{ background:var(--ink); color:rgba(255,255,255,.72); font-size:14px; }
  .footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.3fr; gap:40px; }
  @media (max-width:1023px){ .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; } }
  @media (max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }
  .footer-title{ font-size:13px; font-weight:800; letter-spacing:.1em; color:#fff; margin-bottom:14px; }
  .footer-link{ display:inline-block; padding:5px 0; color:rgba(255,255,255,.72); }
  .footer-link:hover{ color:var(--lime); transform:translateX(2px); }
  .footer-bottom{ border-top:1px solid rgba(255,255,255,.12); font-size:13px; color:rgba(255,255,255,.55); }

  /* ============ 动效 ============ */
  @keyframes fadeUp{ from{ opacity:0; transform:translateY(20px); } to{ opacity:1; transform:translateY(0); } }
  .fade-up{ opacity:0; animation:fadeUp .6s ease forwards; }
  @media (prefers-reduced-motion:reduce){
    html{ scroll-behavior:auto; }
    .fade-up{ animation:none; opacity:1; transform:none; }
    .zz-media img,.btn,.footer-link{ transition:none; }
  }