/* roulang page: index */
:root{
  --brand:#0E5B4A;
  --brand-deep:#0A4639;
  --accent:#C6613A;
  --accent-deep:#A94E2C;
  --brand-soft:#DCE9E2;
  --brand-tint:#EFF5F1;
  --paper:#F8F4EC;
  --surface:#FFFFFF;
  --dark:#12201C;
  --text:#12201C;
  --text-2:#4A5A54;
  --text-3:#7C8A84;
  --line:#E3DED2;
  --line-2:#C9D8CF;
  --warm:#F6E2D6;
  --r-card:16px;
  --r-lg:20px;
  --r-md:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,32,28,.05);
  --sh-2:0 10px 28px rgba(18,32,28,.10);
  --sh-nav:0 4px 18px rgba(18,32,28,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:90px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{color:var(--text);font-weight:700;line-height:1.35;margin:0;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.shell{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;height:68px;z-index:1040;
  background:rgba(248,244,236,.88);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.nav-wrap{max-width:1280px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:18px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:-.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:15px;font-weight:800;color:var(--brand-deep);letter-spacing:.01em;}
.logo-sub{font-size:10px;letter-spacing:.16em;color:var(--text-3);text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  position:relative;display:block;padding:8px 12px;font-size:14.5px;color:var(--text-2);border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;bottom:3px;height:2px;width:16px;border-radius:2px;
  background:var(--brand);opacity:0;transition:width .22s var(--ease),opacity .22s var(--ease);
}
.nav-links a:hover{color:var(--brand);background:rgba(220,233,226,.5);}
.nav-links a:hover::after{opacity:1;width:24px;}
.nav-links a.active{color:var(--brand);font-weight:700;}
.nav-links a.active::after{opacity:1;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{position:relative;width:230px;}
.nav-search input{
  width:100%;height:38px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;padding:0 16px 0 38px;font-size:13.5px;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,91,74,.12);}
.nav-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none;}
.nav-text-link{font-size:14px;color:var(--text-2);padding:6px 4px;white-space:nowrap;}
.nav-text-link:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-shrink:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-deep);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-deep);border-radius:2px;transition:transform .2s var(--ease),top .2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-drawer{
  position:fixed;top:68px;left:0;right:0;bottom:0;z-index:1035;background:var(--paper);
  padding:28px 24px 48px;overflow-y:auto;visibility:hidden;opacity:0;transform:translateY(-10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  border-top:1px solid var(--line);
}
.nav-drawer.is-open{visibility:visible;opacity:1;transform:none;}
.nav-drawer a.drawer-link{
  display:block;padding:16px 4px;font-size:19px;font-weight:700;color:var(--brand-deep);
  border-bottom:1px solid var(--line);
}
.nav-drawer .drawer-search{margin:22px 0 18px;position:relative;}
.nav-drawer .drawer-search input{
  width:100%;height:48px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;padding:0 18px 0 44px;font-size:15px;
}
.nav-drawer .drawer-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-3);}
.drawer-cta{display:flex;justify-content:center;width:100%;margin-top:14px;}

/* ---------- 按钮 / 徽章 ---------- */
.btn-solid,.btn-line,.btn-accent,.btn-quiet{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;padding:13px 26px;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  border:1.5px solid transparent;line-height:1.2;text-align:center;
}
.btn-solid{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-solid:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-solid:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-line{background:#fff;color:var(--brand);border-color:var(--line-2);}
.btn-line:hover{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand-deep);}
.btn-quiet{padding:8px 0;color:var(--brand);font-size:15px;background:none;border:0;font-weight:600;}
.btn-quiet svg{transition:transform .2s var(--ease);}
.btn-quiet:hover{color:var(--brand-deep);}
.btn-quiet:hover svg{transform:translateX(3px);}
.badge-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;line-height:1;letter-spacing:.01em;
}
.badge-outline{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--accent);color:var(--accent);font-size:13px;font-weight:600;line-height:1;
}

/* ---------- 首屏 ---------- */
.hero{padding:calc(68px + 72px) 0 80px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(220,233,226,.85),rgba(248,244,236,0) 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;}
.hero-badge{margin-bottom:20px;}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);font-weight:700;letter-spacing:-.01em;line-height:1.25;
  margin:0 0 18px;color:var(--brand-deep);
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;padding-top:22px;border-top:1px solid var(--line);}
.hero-point{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);}
.hero-point svg{color:var(--brand);flex-shrink:0;}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3.2;box-shadow:var(--sh-2);}
.hero-visual img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.hero-visual:hover img{transform:scale(1.03);}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(145deg,rgba(14,91,74,.42),rgba(14,91,74,.04) 56%,rgba(198,97,58,.20));
}
.hero-float{
  position:absolute;left:20px;bottom:20px;z-index:2;background:rgba(255,255,255,.94);
  border-radius:14px;padding:14px 18px;box-shadow:var(--sh-2);backdrop-filter:blur(6px);
}
.hero-float strong{display:block;font-size:22px;font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-float span{font-size:12.5px;color:var(--text-3);}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-white{background:var(--surface);}
.section-soft{background:var(--brand-soft);}
.section-dark{background:var(--dark);color:#E8F0EC;}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,2.8vw,32px);line-height:1.35;margin:14px 0 12px;padding-left:16px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:24px;border-radius:2px;background:var(--brand);
}
.section-head p{font-size:16px;color:var(--text-2);max-width:700px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:700;line-height:1;
}
.section-soft .eyebrow{background:#fff;}

/* ---------- 卖点 2×2 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.value-card{
  display:flex;gap:16px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.value-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.value-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;flex-shrink:0;
}
.value-card h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.value-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;margin:0;}

/* ---------- 交错图文 ---------- */
.demo-stack{display:flex;flex-direction:column;gap:64px;}
.demo-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.demo-row.flip .demo-media{order:2;}
.demo-media{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/11;box-shadow:var(--sh-1);position:relative;}
.demo-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.demo-media:hover img{transform:scale(1.03);}
.demo-copy h3{font-size:22px;margin-bottom:14px;color:var(--brand-deep);}
.demo-copy p{font-size:15.5px;color:var(--text-2);line-height:1.85;margin-bottom:14px;}
.demo-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px;}
.demo-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
.demo-list li::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);flex-shrink:0;margin-top:.72em;
}
.demo-row.flip + .demo-row.flip,
.demo-row:nth-child(2){}

/* ---------- 证据区 ---------- */
.proof-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:44px;}
.stat-item{padding:22px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);}
.stat-num{
  font-size:clamp(30px,3.4vw,38px);font-weight:800;color:var(--brand);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--text-2);}
.stat-item p{font-size:13px;color:var(--text-3);margin:8px 0 0;line-height:1.6;}
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.proof-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.proof-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.proof-card h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.proof-card h3 svg{color:var(--accent);flex-shrink:0;}
.proof-card p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0;}
.proof-card.wide{grid-column:span 3;display:flex;gap:20px;align-items:center;background:var(--brand-tint);border-color:var(--brand-soft);}
.proof-card.wide h3{margin-bottom:4px;}

/* ---------- 方案说明 ---------- */
.plan-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start;}
.plan-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh-1);
}
.plan-main h3{font-size:22px;margin-bottom:10px;color:var(--brand-deep);}
.plan-main > p{font-size:15px;color:var(--text-2);margin-bottom:22px;}
.plan-list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.plan-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
.plan-list li svg{color:var(--brand);flex-shrink:0;margin-top:.34em;}
.plan-side{display:flex;flex-direction:column;gap:16px;}
.plan-side-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.plan-side-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.plan-side-card h4{font-size:16.5px;margin-bottom:4px;}
.plan-side-card p{font-size:13.5px;color:var(--text-3);margin:0;line-height:1.6;}
.plan-side-card .arrow{color:var(--brand);flex-shrink:0;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:52px;align-items:start;}
.faq-left h2{font-size:clamp(24px,2.8vw,32px);line-height:1.35;margin:14px 0 14px;padding-left:16px;position:relative;}
.faq-left h2::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:24px;border-radius:2px;background:var(--brand);}
.faq-left p{font-size:15px;color:var(--text-2);margin-bottom:22px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.faq-item:hover{border-color:var(--brand-soft);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);text-align:left;line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  position:relative;width:20px;height:20px;flex-shrink:0;border-radius:50%;
  background:var(--brand-soft);transition:background .2s var(--ease),transform .25s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:opacity .2s var(--ease),transform .2s var(--ease);}
.faq-q[aria-expanded="true"] .faq-icon{background:var(--accent);}
.faq-q[aria-expanded="true"] .faq-icon::before,
.faq-q[aria-expanded="true"] .faq-icon::after{background:#fff;}
.faq-q[aria-expanded="true"] .faq-icon::after{opacity:0;transform:translate(-50%,-50%) scaleY(0);}
.faq-a{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85;border-top:1px solid transparent;}

/* ---------- 资讯列表 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body .badge-soft{align-self:flex-start;margin-bottom:12px;}
.news-title{font-size:17px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:var(--text);}
.news-title a:hover{color:var(--brand);}
.news-summary{
  font-size:14px;color:var(--text-3);line-height:1.7;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:auto;}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-2);}
.news-meta .news-more{color:var(--brand);font-weight:600;}
.news-meta .news-more:hover{color:var(--brand-deep);}
.empty-state{
  grid-column:1 / -1;background:var(--brand-soft);border-radius:var(--r-card);padding:44px 28px;text-align:center;
}
.empty-state svg{color:var(--brand);margin:0 auto 12px;}
.empty-state p{font-size:16px;color:var(--brand-deep);font-weight:600;margin-bottom:16px;}

/* ---------- 结尾 CTA ---------- */
.cta-band{background:var(--brand-soft);padding:56px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.4vw,28px);color:var(--brand-deep);margin-bottom:8px;}
.cta-inner p{font-size:15px;color:var(--text-2);margin:0;}
.cta-note{font-size:12px;color:var(--text-3);margin-top:18px;line-height:1.7;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1030;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s,background .2s var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none;}
.float-cta a{
  display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14.5px;font-weight:600;box-shadow:var(--sh-2);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.float-cta a:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.float-cta.alt a{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.float-cta.alt a:hover{background:var(--brand-soft);color:var(--brand-deep);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#CFE0D8;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#EAF3EF;}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:rgba(207,224,216,.6);}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(207,224,216,.82);margin:0;}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(207,224,216,.82);}
.footer-links a:hover{color:#fff;}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(207,224,216,.82);}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-contact .btn-accent{margin-top:16px;font-size:14px;padding:11px 22px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(207,224,216,.62);line-height:1.7;
}
.footer-bottom .fb-right{display:flex;flex-wrap:wrap;gap:10px 20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{width:190px;}
  .demo-row{gap:40px;}
}
@media (max-width:991px){
  .nav-links,.nav-search,.nav-text-link{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-accent{display:none;}
  .hero{padding:calc(68px + 44px) 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-sub{max-width:none;}
  .hero-visual{aspect-ratio:16/10;max-height:320px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .value-grid{grid-template-columns:1fr;}
  .demo-row{grid-template-columns:1fr;gap:22px;}
  .demo-row.flip .demo-media{order:0;}
  .proof-stats{grid-template-columns:repeat(2,1fr);}
  .proof-grid{grid-template-columns:repeat(2,1fr);}
  .proof-card.wide{grid-column:span 2;}
  .plan-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767px){
  .shell{padding:0 20px;}
  .hero h1{font-size:clamp(26px,6.4vw,34px);}
  .hero-points{gap:10px 18px;}
  .section{padding:64px 0;}
  .demo-stack{gap:48px;}
  .proof-grid{grid-template-columns:1fr;}
  .proof-card.wide{grid-column:span 1;flex-direction:column;align-items:flex-start;}
  .news-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-cta{
    left:0;right:0;bottom:0;transform:none;
    background:#fff;border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    display:flex;align-items:center;justify-content:space-between;gap:12px;
  }
  .float-cta a{padding:11px 20px;font-size:14px;box-shadow:none;}
  .float-cta .fc-tip{font-size:12.5px;color:var(--text-3);line-height:1.4;}
  .site-footer{padding-bottom:64px;}
}
@media (max-width:575px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-solid,.hero-actions .btn-line{width:100%;}
  .hero-visual{aspect-ratio:16/11;}
  .value-card{padding:20px;}
  .plan-main{padding:24px;}
  .plan-side-card{padding:18px;flex-direction:column;align-items:flex-start;gap:10px;}
  .news-body{padding:18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --brand:#0E5B4A;
  --brand-deep:#0A4639;
  --accent:#C6613A;
  --accent-deep:#A94E2C;
  --brand-soft:#DCE9E2;
  --brand-soft-2:#EDF4F0;
  --paper:#F8F4EC;
  --surface:#FFFFFF;
  --dark:#12201C;
  --ink:#12201C;
  --ink-2:#4A5A54;
  --ink-3:#7C8A84;
  --line:#E3DED2;
  --line-soft:#EFEAE0;
  --r-card:16px;
  --r-lg:20px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,32,28,.05);
  --sh-2:0 10px 28px rgba(18,32,28,.10);
  --sh-nav:0 4px 18px rgba(18,32,28,.08);
  --shell:1200px;
  --sp:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-sm);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:-0.01em;line-height:1.32;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  height:68px;
  background:rgba(248,244,236,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);background:rgba(248,244,236,.95);}
.header-inner{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:15px;font-weight:800;color:var(--ink);white-space:nowrap;}
.logo-sub{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);font-weight:600;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 11px;border-radius:8px;
  font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;width:0;
  background:var(--brand);border-radius:2px;transition:width .22s ease;
}
.nav-links a:hover{color:var(--brand);background:rgba(220,233,226,.55);}
.nav-links a:hover::after{width:calc(100% - 22px);}
.nav-links a.active{color:var(--brand);font-weight:700;}
.nav-links a.active::after{width:calc(100% - 22px);}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:6px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:5px 6px 5px 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,91,74,.12);}
.nav-search input{
  border:none;background:transparent;outline:none;
  font-size:13px;color:var(--ink);width:172px;padding:4px 0;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search button{
  border:none;background:var(--brand-soft);color:var(--brand);
  width:28px;height:28px;border-radius:50%;font-size:12px;cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.nav-search button:hover{background:var(--brand);color:#fff;}
.link-entry{font-size:14px;color:var(--ink-2);font-weight:500;padding:6px 2px;}
.link-entry:hover{color:var(--brand);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  border:1px solid transparent;box-shadow:var(--sh-1);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  cursor:pointer;font-size:15px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* drawer */
.nav-drawer{
  position:fixed;inset:0;z-index:1200;
  background:var(--paper);
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .3s ease;
  visibility:hidden;
}
.nav-drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--line);}
.drawer-close{margin-left:auto;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--surface);font-size:20px;line-height:1;color:var(--ink-2);cursor:pointer;}
.drawer-body{padding:14px 20px;overflow-y:auto;flex:1 1 auto;display:flex;flex-direction:column;}
.drawer-body a{padding:14px 4px;font-size:18px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line-soft);}
.drawer-body a:hover{color:var(--brand);}
.drawer-foot{padding:18px 20px 26px;border-top:1px solid var(--line);}
.drawer-foot .btn-accent{width:100%;padding:14px;}

/* ============ breadcrumb ============ */
.crumb-bar{background:var(--paper);border-bottom:1px solid var(--line-soft);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C8C2B4;}
.crumb .current{color:var(--ink-2);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ article ============ */
.article-wrap{padding:48px 0 0;}
.article-card{
  max-width:880px;margin:0 auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:44px 48px 48px;
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 13px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;
}
.badge-outline{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 13px;border-radius:var(--r-pill);
  border:1px solid rgba(198,97,58,.5);color:var(--accent);
  background:rgba(246,226,214,.4);font-size:13px;font-weight:600;
}
.article-head{margin-bottom:28px;}
.article-head h1{
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.28;margin:16px 0 14px;color:var(--ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C8C2B4;}
.article-meta strong{color:var(--ink-2);font-weight:600;}
.article-lead{
  margin-top:16px;padding:16px 18px;
  background:var(--brand-soft-2);
  border-left:3px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;line-height:1.75;color:var(--ink-2);
}

.article-content{
  font-size:16px;line-height:1.85;color:var(--ink-2);
  max-width:760px;
}
.article-content > *:first-child{margin-top:0;}
.article-content h2{
  position:relative;
  font-size:clamp(21px,2.3vw,27px);
  color:var(--ink);
  margin:34px 0 14px;
  padding-left:15px;
  line-height:1.42;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:4px;height:22px;border-radius:2px;background:var(--brand);
}
.article-content h3{font-size:19px;color:var(--ink);margin:22px 0 10px;font-weight:600;}
.article-content h4{font-size:16px;color:var(--ink);margin:18px 0 8px;font-weight:600;}
.article-content p{margin:0 0 1em;}
.article-content strong{color:var(--ink);font-weight:700;}
.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-content a:hover{color:var(--accent);}
.article-content ul{list-style:none;padding-left:0;margin:0 0 1em;}
.article-content ul > li{position:relative;padding-left:20px;margin-bottom:9px;}
.article-content ul > li::before{
  content:"";position:absolute;left:2px;top:.68em;
  width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.article-content ol{list-style:decimal;padding-left:22px;margin:0 0 1em;}
.article-content ol > li{margin-bottom:9px;padding-left:4px;}
.article-content ol > li::marker{color:var(--brand);font-weight:700;}
.article-content blockquote{
  margin:22px 0;padding:16px 20px;
  border-left:3px solid var(--brand);
  background:var(--brand-soft-2);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink-2);font-size:15px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--r-sm);margin:18px 0;box-shadow:var(--sh-1);}
.article-content figure{margin:20px 0;}
.article-content figcaption{font-size:13px;color:var(--ink-3);margin-top:8px;text-align:center;}
.article-content table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:14.5px;
  margin:20px 0;border-radius:var(--r-sm);
  border:1px solid var(--line);
}
.article-content thead{background:var(--brand-soft);}
.article-content th,.article-content td{
  padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.article-content th{color:var(--brand-deep);font-weight:700;}
.article-content tbody tr:nth-child(even){background:#FBF8F2;}
.article-content hr{border:none;border-top:1px solid var(--line);margin:28px 0;}

/* empty state */
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;
  padding:44px 24px 40px;
  background:var(--brand-soft-2);
  border:1px dashed #C9D8CF;border-radius:var(--r-card);
}
.empty-state i{font-size:30px;color:var(--brand);margin-bottom:14px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:15px;max-width:460px;margin:0 auto 20px;}

/* ============ tags ============ */
.article-foot{max-width:880px;margin:0 auto;padding:26px 48px 0;}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;align-items:center;}
.tag-row .tag-label{font-size:13px;color:var(--ink-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;
  height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft-2);}

/* ============ related ============ */
.section{padding:var(--sp) 0;}
.section-head{max-width:620px;margin-bottom:34px;}
.section-head h2{
  position:relative;font-size:clamp(24px,2.8vw,32px);
  line-height:1.35;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:24px;border-radius:2px;background:var(--brand);
}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.content-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#C9D8CF;}
.content-card .thumb{aspect-ratio:16/10;overflow:hidden;border-radius:0;background:var(--brand-soft);}
.content-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.content-card:hover .thumb img{transform:scale(1.03);}
.content-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.content-card h3{font-size:17px;line-height:1.5;margin:12px 0 8px;color:var(--ink);}
.content-card p{font-size:14px;line-height:1.7;color:var(--ink-3);margin:0 0 16px;}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.card-foot .sep{width:3px;height:3px;border-radius:50%;background:#C8C2B4;}
.card-foot .go{margin-left:auto;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card-foot .go i{transition:transform .2s ease;font-size:11px;}
.content-card:hover .card-foot .go i{transform:translateX(3px);}

/* ============ back links ============ */
.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--brand);box-shadow:var(--sh-1);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  background:var(--surface);color:var(--brand);font-size:15px;font-weight:600;
  border:1.5px solid #C9D8CF;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}

/* ============ cta band ============ */
.cta-band{background:var(--brand-soft);border-top:1px solid #CFE0D7;border-bottom:1px solid #CFE0D7;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:38px 0;}
.cta-inner h2{font-size:clamp(21px,2.4vw,26px);line-height:1.4;}
.cta-inner p{margin:8px 0 0;color:var(--ink-2);font-size:14px;}
.cta-note{font-size:12px;color:var(--ink-3);padding-bottom:22px;margin-top:-10px;}

/* ============ footer ============ */
.site-footer{background:var(--brand-deep);color:#D6E4DD;margin-top:0;}
.site-footer .shell{padding-top:64px;padding-bottom:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(220,233,226,.16);color:#DCE9E2;}
.footer-brand .logo-main{color:#fff;font-size:15px;font-weight:800;display:block;}
.footer-brand .logo-sub{color:rgba(214,228,221,.6);font-size:10px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;display:block;}
.site-footer p{font-size:14px;line-height:1.75;color:rgba(214,228,221,.78);margin:0 0 10px;max-width:340px;}
.site-footer h4{font-size:14px;color:#fff;font-weight:700;margin:0 0 16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(214,228,221,.78);}
.footer-links a:hover{color:#fff;}
.footer-contact p{max-width:320px;}
.footer-contact strong{color:#fff;font-weight:600;}
.site-footer .btn-accent{margin-top:8px;}
.footer-bottom{
  border-top:1px solid rgba(220,233,226,.16);
  padding:20px 0 26px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(214,228,221,.58);
}
.fb-right{display:flex;gap:18px;flex-wrap:wrap;}

/* ============ floating cta ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:900;
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  box-shadow:var(--sh-2);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,background .2s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.float-cta.is-quiet{background:transparent;border:1.5px solid var(--brand);color:var(--brand);box-shadow:none;}
.float-cta.is-quiet:hover{background:var(--brand-soft);color:var(--brand-deep);}
.mobile-cta{display:none;}

/* ============ responsive ============ */
@media (max-width:1199px){
  :root{--sp:80px;}
  .card-grid{gap:18px;}
}
@media (max-width:991px){
  :root{--sp:72px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .link-entry{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-inner{gap:14px;}
  .brand{margin-right:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .article-card{padding:32px 28px 34px;}
  .article-foot{padding:22px 28px 0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:18px;}
  .float-cta{display:none;}
  .mobile-cta{
    display:flex;align-items:center;gap:12px;
    position:fixed;left:0;right:0;bottom:0;z-index:950;
    background:var(--surface);
    border-top:1px solid var(--line);
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    box-shadow:0 -4px 18px rgba(18,32,28,.08);
  }
  .mobile-cta span{font-size:13px;color:var(--ink-2);line-height:1.4;}
  .mobile-cta .btn-accent{margin-left:auto;padding:10px 18px;font-size:13px;white-space:nowrap;}
  body{padding-bottom:64px;}
}
@media (max-width:767px){
  :root{--sp:56px;}
  .shell{padding:0 20px;}
  .article-wrap{padding:32px 0 0;}
  .article-card{padding:26px 20px 28px;border-radius:var(--r-card);box-shadow:none;}
  .article-head h1{font-size:clamp(24px,6vw,30px);}
  .article-foot{padding:20px 20px 0;}
  .article-content{font-size:16px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .site-footer .shell{padding-top:44px;}
  .crumb{padding:12px 0;}
  .crumb .current{white-space:normal;}
}
@media (max-width:575px){
  .back-row .btn-primary,.back-row .btn-ghost{width:100%;}
  .cta-inner .btn-primary,.cta-inner .btn-ghost{width:100%;}
  .logo-main{font-size:13.5px;}
  .logo-sub{font-size:9px;}
}

/* roulang page: category1 */
:root{
  --brand:#0E5B4A;
  --brand-deep:#0A4639;
  --accent:#C6613A;
  --accent-deep:#A94E2C;
  --accent-soft:#F6E2D6;
  --brand-soft:#DCE9E2;
  --paper:#F8F4EC;
  --surface:#FFFFFF;
  --ink:#12201C;
  --ink-2:#4A5A54;
  --ink-3:#7C8A84;
  --line:#E3DED2;
  --line-soft:#EFEAE0;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(18,32,28,.05);
  --shadow-md:0 10px 28px rgba(18,32,28,.10);
  --shadow-nav:0 4px 18px rgba(18,32,28,.08);
  --sec-y:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.shell{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-y) 0;}
.section--tight{padding:64px 0;}
.section--soft{background:var(--brand-soft);}
.section--deep{background:#12201C;color:#E8EFEA;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(248,244,236,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-nav);background:rgba(248,244,236,.96);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:0;
  flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.logo-sub{font-size:10.5px;color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;min-width:0;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--ink-2);
  white-space:nowrap;
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;bottom:2px;
  width:0;height:2px;border-radius:2px;background:var(--brand);
  transition:width .25s ease;
}
.nav-links a:hover{color:var(--brand);background:rgba(220,233,226,.45);}
.nav-links a:hover::after{width:16px;}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{width:24px;}
.header-tools{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.nav-search{position:relative;}
.nav-search input{
  width:212px;height:38px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:var(--surface);
  padding:0 16px 0 36px;
  font-size:13.5px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(14,91,74,.12);
  width:236px;
}
.nav-search .s-icon{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--ink-3);pointer-events:none;
}
.link-entry{font-size:14.5px;color:var(--ink-2);}
.link-entry:hover{color:var(--brand);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:38px;padding:0 20px;
  background:var(--accent);color:#fff;
  border:none;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;
  box-shadow:var(--shadow-sm);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(198,97,58,.24);}
.btn-accent:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:40px;height:40px;
  border:1px solid var(--line);border-radius:11px;
  background:var(--surface);color:var(--brand);
  align-items:center;justify-content:center;font-size:18px;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand-soft);}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:1040;
  background:var(--paper);
  padding:22px 22px 32px;
  display:flex;flex-direction:column;
  transform:translateX(102%);
  transition:transform .3s ease;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:40px;height:40px;border-radius:11px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  font-size:19px;font-weight:600;color:var(--ink);
  padding:14px 6px;border-bottom:1px solid var(--line-soft);
}
.drawer-nav a.active{color:var(--brand);}
.drawer-search{
  margin:24px 0 8px;height:46px;border:1px solid var(--line);
  border-radius:var(--radius-input);padding:0 16px;
  background:var(--surface);font-size:14px;width:100%;
}
.drawer-cta{margin-top:20px;width:100%;height:48px;font-size:15px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9C2B3;}
.crumb .current{color:var(--ink-2);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:52px 0 64px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(248,244,236,.96) 0%,rgba(248,244,236,.88) 46%,rgba(220,233,226,.72) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.9;z-index:0;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;margin-bottom:18px;
  background:var(--brand-soft);color:var(--brand);
  border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);}
h1{font-size:clamp(30px,4.2vw,44px);font-weight:700;line-height:1.28;margin-bottom:18px;}
.lede{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:640px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;
  background:var(--brand);color:#fff;
  border:none;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;
  box-shadow:var(--shadow-sm);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(10,70,57,.24);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;
  background:var(--surface);color:var(--brand);
  border:1.5px solid #C9D8CF;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13.5px;color:var(--ink-2);}
.hero-points span{display:inline-flex;align-items:center;gap:7px;}
.hero-points i{color:var(--brand);font-size:15px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);
  transition:transform .35s ease;
}
.hero-figure::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(14,91,74,0) 42%,rgba(14,91,74,.34) 100%);
  pointer-events:none;
}
.figure-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.94);
  color:var(--brand);
  font-size:12.5px;font-weight:600;
  padding:7px 14px;border-radius:var(--radius-pill);
  display:inline-flex;align-items:center;gap:6px;
}

/* ---------- 通用区块标题 ---------- */
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.8vw,32px);line-height:1.35;font-weight:700;margin-bottom:14px;position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.32em;
  width:4px;height:24px;border-radius:2px;background:var(--brand);
}
.section-head p{color:var(--ink-2);font-size:15.5px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:left;}

/* ---------- 档案卡栅格 ---------- */
.doc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.doc-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
  height:100%;
}
.doc-card:hover{transform:translateY(-2px);border-color:var(--brand-soft);box-shadow:var(--shadow-md);}
.doc-top{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.doc-icon{
  width:44px;height:44px;flex-shrink:0;
  border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:19px;
}
.doc-card h3{font-size:19px;font-weight:600;line-height:1.45;}
.doc-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  background:var(--brand-soft);color:var(--brand);
  border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;
}
.tag--outline{background:transparent;border:1px solid var(--accent);color:var(--accent-deep);}

/* ---------- 时间轴 ---------- */
.timeline-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:56px;align-items:start;}
.timeline-aside p{color:var(--ink-2);font-size:15px;margin-bottom:18px;}
.aside-note{
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:18px 20px;
  font-size:13.5px;color:var(--ink-3);line-height:1.8;
}
.timeline{position:relative;padding-left:30px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--brand-soft) 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;
  width:16px;height:16px;border-radius:50%;
  background:var(--surface);border:3px solid var(--brand);
}
.tl-item .tl-year{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.04em;
  color:var(--brand);background:var(--brand-soft);
  padding:3px 11px;border-radius:var(--radius-pill);margin-bottom:8px;
  font-variant-numeric:tabular-nums;
}
.tl-item h4{font-size:16.5px;font-weight:600;margin-bottom:6px;}
.tl-item p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin:0;}

/* ---------- 文本说明区 ---------- */
.prose-wrap{max-width:760px;}
.prose-wrap h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;margin-bottom:16px;position:relative;padding-left:16px;}
.prose-wrap h2::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:22px;border-radius:2px;background:var(--brand);}
.prose-wrap h3{font-size:18px;font-weight:600;margin:26px 0 10px;}
.prose-wrap p{font-size:15.5px;line-height:1.9;color:var(--ink-2);}
.prose-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px;}
.prose-list li{
  position:relative;padding-left:22px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}
.prose-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.quote-block{
  margin:24px 0;padding:18px 22px;
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  background:var(--brand-soft);
  font-size:15px;color:var(--brand-deep);line-height:1.85;
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:52px;align-items:start;}
.faq-aside h2{font-size:clamp(24px,2.8vw,32px);font-weight:700;margin-bottom:14px;padding-left:16px;position:relative;}
.faq-aside h2::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:24px;border-radius:2px;background:var(--brand);}
.faq-aside p{color:var(--ink-2);font-size:15px;margin-bottom:20px;}
.accordion-item{
  border:1px solid var(--line)!important;
  border-radius:14px!important;
  background:var(--surface);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-header{margin:0;}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);
  background:var(--surface);
  padding:18px 20px;
  box-shadow:none!important;
  border-radius:14px!important;
}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-soft);}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button::after{
  background-image:none;
  content:"+";
  width:24px;height:24px;font-size:20px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);transform:none;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.accordion-body{
  padding:16px 20px 20px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--brand-soft);border-radius:var(--radius-lg);padding:40px 44px;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.5vw,28px);font-weight:700;margin-bottom:8px;}
.cta-inner p{font-size:15px;color:var(--ink-2);margin:0;max-width:620px;}
.cta-note{margin-top:18px;font-size:12.5px;color:var(--ink-3);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1020;
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;
  background:var(--brand);color:#fff;
  border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;
  box-shadow:0 10px 24px rgba(10,70,57,.24);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .28s ease,transform .28s ease,background .2s ease;
}
.float-cta.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.float-cta:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.float-cta.is-outline{background:transparent;color:var(--brand);border:1.5px solid var(--brand);box-shadow:none;}
.float-cta.is-outline:hover{background:var(--brand-soft);color:var(--brand-deep);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#D8E5DF;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .9fr 1.1fr;gap:40px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(220,233,226,.18);color:#EAF3EE;}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:rgba(216,229,223,.62);}
.site-footer p{font-size:13.5px;line-height:1.85;color:rgba(216,229,223,.78);}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:rgba(216,229,223,.78);}
.footer-links a:hover{color:#fff;}
.footer-contact p{margin-bottom:10px;}
.footer-contact strong{color:#fff;font-weight:600;}
.site-footer .btn-accent{margin-top:6px;height:40px;}
.footer-bottom{
  border-top:1px solid rgba(220,233,226,.18);
  padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(216,229,223,.6);
}
.fb-right{display:flex;gap:20px;flex-wrap:wrap;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search input{width:170px;}
  .nav-search input:focus{width:190px;}
  .nav-links a{padding:8px 9px;font-size:14px;}
}
@media (max-width:991px){
  :root{--sec-y:72px;}
  .nav-links{display:none;}
  .nav-search,.link-entry,.header-tools .btn-accent{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{justify-content:space-between;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-figure img{aspect-ratio:16/9;max-height:280px;}
  .doc-grid{grid-template-columns:1fr;}
  .timeline-layout{grid-template-columns:1fr;gap:32px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:32px;}
}
@media (max-width:767px){
  .float-cta{
    left:0;right:0;bottom:0;justify-content:center;
    border-radius:0;height:56px;font-size:14.5px;
    box-shadow:0 -4px 18px rgba(18,32,28,.12);
    transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0);}
  .float-cta.is-outline{border:none;border-top:1px solid var(--line);background:#fff;color:var(--brand);}
  body{padding-bottom:56px;}
  .page-hero{padding:36px 0 48px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px;}
}
@media (max-width:575px){
  :root{--sec-y:56px;}
  .shell{padding:0 20px;}
  h1{font-size:clamp(27px,7.6vw,34px);}
  .lede{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn-primary,.btn-ghost{width:100%;}
  .hero-points{gap:8px 18px;font-size:13px;}
  .doc-card{padding:20px 18px;}
  .cta-band{padding:26px 20px;border-radius:14px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .fb-right{flex-direction:column;gap:6px;}
  .accordion-button{font-size:15px;padding:16px;}
  .accordion-body{padding:14px 16px 18px;}
  .section-head{margin-bottom:28px;}
  .timeline{padding-left:26px;}
  .tl-item::before{left:-26px;}
}

/* roulang page: category2 */
:root{
  --brand:#0E5B4A;
  --brand-deep:#0A4639;
  --brand-soft:#DCE9E2;
  --accent:#C6613A;
  --accent-deep:#A94E2C;
  --accent-soft:#F6E2D6;
  --paper:#F8F4EC;
  --paper-tint:#F1EDE4;
  --surface:#FFFFFF;
  --text:#12201C;
  --text-2:#4A5A54;
  --text-3:#7C8A84;
  --line:#E3DED2;
  --radius:16px;
  --radius-lg:20px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(18,32,28,.05);
  --shadow-2:0 10px 28px rgba(18,32,28,.10);
  --shadow-nav:0 4px 18px rgba(18,32,28,.08);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
button{font:inherit;}
input,select,textarea{font:inherit;color:var(--text);}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(248,244,236,.93);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.logo-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 32px;
  background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-weight:700;font-size:16px;line-height:1;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-main{font-size:15px;font-weight:700;color:var(--brand-deep);letter-spacing:-.01em;}
.logo-sub{font-size:10.5px;color:var(--text-3);letter-spacing:.08em;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:20px;margin-left:6px;}
.nav-links a{
  position:relative;font-size:14.5px;color:var(--text-2);
  padding:8px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;
  border-radius:2px;background:var(--brand);transform:translateX(-50%);
  transition:width .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{width:22px;}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{width:22px;}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{position:relative;}
.nav-search input{
  width:186px;height:38px;border-radius:var(--pill);
  border:1px solid var(--line);background:var(--surface);
  padding:0 16px;font-size:13.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,91,74,.12);}
.link-entry{font-size:14px;color:var(--text-2);white-space:nowrap;}
.link-entry:hover{color:var(--brand);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border:0;border-radius:var(--pill);
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  white-space:nowrap;cursor:pointer;box-shadow:var(--shadow-1);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-accent:hover,.btn-accent:focus{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-accent:active{transform:translateY(0);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:var(--pill);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;box-shadow:var(--shadow-1);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  background:var(--surface);border:1.5px solid #C9D8CF;
  color:var(--brand);font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--brand);
}
.btn-text i{transition:transform .22s ease;font-size:12px;}
.btn-text:hover i{transform:translateX(3px);}
.nav-toggle{
  display:none;width:40px;height:40px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface);color:var(--brand);
  cursor:pointer;place-items:center;font-size:16px;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand-soft);}
.mobile-drawer{display:none;}
.mobile-drawer.is-open{
  display:block;position:absolute;left:0;right:0;top:68px;
  background:var(--paper);border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-2);padding:20px 24px 26px;
  max-height:calc(100vh - 68px);overflow-y:auto;
}
.drawer-search input{
  width:100%;height:46px;border-radius:var(--pill);
  border:1px solid var(--line);background:var(--surface);
  padding:0 18px;font-size:14px;margin-bottom:16px;
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,91,74,.12);}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:18px;}
.drawer-links a{
  font-size:17px;font-weight:600;color:var(--text);
  padding:12px 4px;border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--brand);}
.drawer-links a:hover{color:var(--brand);}
.drawer-cta{width:100%;height:48px;}

/* ---------- breadcrumb ---------- */
.crumbs{padding:20px 0 0;font-size:13px;color:var(--text-3);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--line);}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .current{color:var(--text-2);}

/* ---------- hero ---------- */
.page-hero{padding:28px 0 72px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:var(--pill);background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.eyebrow i{font-size:11px;}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);font-weight:700;line-height:1.25;
  letter-spacing:-.01em;margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.lead{font-size:17px;color:var(--text-2);max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;}
.hero-points span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);}
.hero-points i{color:var(--brand);font-size:13px;}
.hero-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.hero-figure:hover img{transform:scale(1.03);}
.hero-figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(14,91,74,0) 42%,rgba(10,70,57,.62) 100%);
}
.hero-chip{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.94);color:var(--brand-deep);
  border-radius:var(--pill);padding:8px 16px;font-size:13px;font-weight:600;
}
.hero-chip i{color:var(--accent);}

/* ---------- section base ---------- */
.section{padding:96px 0;}
.section--tint{background:var(--paper-tint);}
.section--tight{padding:72px 0;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-kicker{
  display:inline-block;font-size:13px;font-weight:600;
  color:var(--accent);letter-spacing:.06em;margin-bottom:12px;
}
.sec-title{
  position:relative;padding-left:16px;
  font-size:clamp(24px,2.8vw,32px);font-weight:700;line-height:1.35;
  margin-bottom:14px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:9px;width:4px;height:24px;
  border-radius:2px;background:var(--brand);
}
.sec-desc{color:var(--text-2);font-size:16px;max-width:760px;}
.sec-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* ---------- category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.cat-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-2px);border-color:var(--brand-soft);box-shadow:var(--shadow-2);}
.cat-media{position:relative;overflow:hidden;background:var(--brand-soft);}
.cat-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.cat-card:hover .cat-media img{transform:scale(1.03);}
.cat-index{
  position:absolute;left:16px;top:16px;
  height:26px;padding:0 12px;border-radius:var(--pill);
  background:rgba(255,255,255,.94);color:var(--brand);
  font-size:12.5px;font-weight:700;display:inline-flex;align-items:center;
}
.cat-body{padding:24px;display:flex;flex-direction:column;gap:10px;}
.cat-body h3{font-size:19px;font-weight:600;line-height:1.45;}
.cat-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;margin:0;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--pill);background:var(--brand-soft);
  color:var(--brand);font-size:12.5px;font-weight:600;
}
.tag--line{background:transparent;border:1px solid rgba(198,97,58,.55);color:var(--accent);}

/* ---------- accordion ---------- */
.acc-list{display:flex;flex-direction:column;gap:12px;}
.acc-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.acc-item:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-2);}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;
  font-size:16px;font-weight:600;color:var(--text);text-align:left;cursor:pointer;
  transition:color .2s ease;
}
.acc-btn:hover{color:var(--brand);}
.acc-btn:focus{outline:none;box-shadow:inset 0 0 0 2px rgba(198,97,58,.6);}
.acc-btn:not(.collapsed){color:var(--brand);}
.acc-icon{
  position:relative;width:22px;height:22px;flex:0 0 22px;
  border-radius:50%;border:1.5px solid var(--brand);
  transition:background .25s ease,transform .25s ease;
}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:1px;
  transition:opacity .25s ease,background .25s ease;
}
.acc-icon::before{left:5px;right:5px;top:50%;height:1.5px;transform:translateY(-50%);}
.acc-icon::after{top:5px;bottom:5px;left:50%;width:1.5px;transform:translateX(-50%);}
.acc-btn:not(.collapsed) .acc-icon{background:var(--brand);transform:rotate(180deg);}
.acc-btn:not(.collapsed) .acc-icon::before,
.acc-btn:not(.collapsed) .acc-icon::after{background:#fff;}
.acc-btn:not(.collapsed) .acc-icon::after{opacity:0;}
.acc-body{
  padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);
}
.acc-body strong{color:var(--text);font-weight:600;}

/* ---------- entry list ---------- */
.entry-list{border-top:1px solid var(--line);}
.entry{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:20px 6px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease;
}
.entry:hover{background:rgba(220,233,226,.4);padding-left:16px;}
.entry-title{font-size:16px;font-weight:600;color:var(--text);}
.entry-desc{font-size:14px;color:var(--text-2);margin-top:4px;}
.entry-arrow{flex:0 0 auto;color:var(--accent);font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:8px;}
.entry:hover .entry-arrow i{transform:translateX(3px);}
.entry-arrow i{transition:transform .2s ease;}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-1);
}
.stat-item strong{
  display:block;font-size:34px;font-weight:700;color:var(--brand);
  line-height:1.2;letter-spacing:-.02em;
}
.stat-item span{display:block;font-size:13px;color:var(--text-3);margin-top:6px;}

/* ---------- feedback / cta ---------- */
.cta-wrap{
  background:var(--brand-soft);border-radius:var(--radius-lg);
  padding:48px;display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start;
}
.cta-wrap h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;margin-bottom:14px;}
.cta-wrap p{color:var(--text-2);font-size:15px;}
.cta-note{font-size:12.5px;color:var(--text-3);line-height:1.7;margin-top:16px;}
.form-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{
  display:block;font-size:13px;color:var(--text-3);margin-bottom:6px;
}
.field .req{color:var(--accent);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #D8D3C6;border-radius:var(--radius-sm);
  background:var(--surface);padding:0 14px;height:48px;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;padding:12px 14px;min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,91,74,.13);
}
.form-submit{width:100%;height:48px;}
.form-hint{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.7;}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1020;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-inner{
  display:flex;align-items:center;gap:14px;
  background:var(--brand);color:#fff;border-radius:var(--pill);
  padding:12px 14px 12px 22px;box-shadow:var(--shadow-2);
  font-size:14px;font-weight:600;
}
.float-inner span{white-space:nowrap;}
.float-inner a{
  display:inline-flex;align-items:center;height:34px;padding:0 18px;
  border-radius:var(--pill);background:#fff;color:var(--brand-deep);
  font-size:13.5px;font-weight:700;transition:background .2s ease,color .2s ease;
}
.float-inner a:hover{background:var(--accent);color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);
}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.site-footer .logo-mark{background:rgba(255,255,255,.14);color:#fff;}
.site-footer .logo-main{color:#fff;}
.site-footer .logo-sub{color:rgba(255,255,255,.55);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-contact p{margin-bottom:10px;}
.footer-contact strong{color:#fff;font-weight:600;}
.site-footer .btn-accent{margin-top:6px;height:40px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;padding:20px 0 26px;
  font-size:12.5px;color:rgba(255,255,255,.55);
}
.fb-right{display:flex;gap:20px;flex-wrap:wrap;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-links{gap:16px;}
  .nav-links a{font-size:14px;}
  .nav-search{display:none;}
  .cta-wrap{padding:40px;gap:32px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .nav-links{display:none;}
  .link-entry{display:none;}
  .nav-toggle{display:grid;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure{order:2;}
  .hero-figure img{aspect-ratio:16/10;}
  .page-hero{padding:20px 0 56px;}
  .cat-grid{grid-template-columns:1fr;gap:22px;}
  .cat-grid > .cat-card:nth-child(even){margin-top:0;}
  .cta-wrap{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .stat-strip{grid-template-columns:1fr;gap:20px;padding:26px;}
  .sec-head--split{flex-direction:column;align-items:flex-start;gap:16px;}
}
@media (min-width:992px){
  .cat-grid > .cat-card:nth-child(even){margin-top:34px;}
  .cat-grid > .cat-card:nth-last-child(-n+2){margin-bottom:0;}
}
@media (max-width:575px){
  .shell{padding:0 20px;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:clamp(26px,7vw,32px);}
  .lead{font-size:15.5px;}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%;}
  .cat-body{padding:18px;}
  .acc-btn{padding:16px 18px;font-size:15px;}
  .acc-body{padding:0 18px 18px;font-size:14.5px;}
  .entry{flex-direction:column;align-items:flex-start;gap:8px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .form-row{grid-template-columns:1fr;}
  .cta-wrap{padding:24px;}
  .form-card{padding:20px;}
  .float-cta{left:0;right:0;bottom:0;}
  .float-inner{
    border-radius:0;background:#fff;color:var(--text);
    border-top:1px solid var(--line);
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    justify-content:space-between;gap:10px;
    box-shadow:0 -4px 18px rgba(18,32,28,.08);
    font-size:13px;font-weight:500;
  }
  .float-inner a{background:var(--brand);color:#fff;height:36px;padding:0 16px;}
  .float-inner a:hover{background:var(--brand-deep);}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;padding-bottom:80px;}
}

/* roulang page: category3 */
:root{
  --brand:#0E5B4A;
  --brand-deep:#0A4639;
  --accent:#C6613A;
  --accent-deep:#A94E2C;
  --brand-soft:#DCE9E2;
  --paper:#F8F4EC;
  --surface:#FFFFFF;
  --ink:#12201C;
  --ink-2:#4A5A54;
  --ink-3:#7C8A84;
  --line:#E3DED2;
  --dark:#12201C;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(18,32,28,.05);
  --shadow-2:0 10px 28px rgba(18,32,28,.10);
  --shell:1200px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
button,input,select,textarea{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.shell{width:min(100% - 48px, var(--shell));margin-inline:auto}
.section{padding:88px 0}
.section--white{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--mint{background:var(--brand-soft)}
.section--dark{background:var(--dark);color:#fff}
.section-head{max-width:760px;margin-bottom:36px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--accent);text-transform:uppercase;margin-bottom:12px;
}
.section-kicker::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
h2{
  position:relative;padding-left:16px;
  font-size:clamp(24px,2.8vw,32px);line-height:1.35;font-weight:700;
  letter-spacing:-.01em;color:var(--ink);
}
h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:24px;
  background:var(--brand);border-radius:2px;
}
.section--dark h2{color:#fff}
.section--dark h2::before{background:var(--accent)}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15px;max-width:680px}
.section--dark .section-head p{color:rgba(255,255,255,.72)}
h3{font-size:19px;line-height:1.5;font-weight:600;letter-spacing:-.005em}
h4{font-size:16px;font-weight:600}

/* Header */
.site-header{
  position:sticky;top:0;z-index:110;
  background:rgba(248,244,236,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(18,32,28,.08);background:rgba(248,244,236,.97)}
.header-inner{display:flex;align-items:center;gap:26px;min-height:68px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:17px;
  border:1px solid rgba(14,91,74,.12);
}
.logo-text{display:flex;flex-direction:column;line-height:1.22}
.logo-main{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.logo-sub{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-block;padding:9px 10px;
  font-size:14px;color:var(--ink-2);border-radius:8px;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--brand);
  transition:width .2s ease;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{width:16px}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{width:24px}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{
  display:flex;align-items:center;gap:6px;
  height:38px;padding:0 14px;width:228px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,91,74,.12)}
.nav-search svg{flex-shrink:0;color:var(--ink-3)}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:13px;color:var(--ink)}
.nav-search input::placeholder{color:var(--ink-3)}
.link-btn{font-size:14px;color:var(--ink-2);padding:8px 6px;white-space:nowrap}
.link-btn:hover{color:var(--brand)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  background:var(--accent);color:#fff;border:0;border-radius:999px;
  padding:11px 20px;font-size:14px;font-weight:600;line-height:1.2;
  box-shadow:0 1px 2px rgba(18,32,28,.08);cursor:pointer;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(169,78,44,.22)}
.btn-accent:active{transform:translateY(0)}
.menu-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);
  background:#fff;border-radius:10px;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;cursor:pointer;
}
.menu-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* Mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;background:var(--paper);
  display:flex;flex-direction:column;padding:20px;
  transform:translateX(100%);visibility:hidden;
  transition:transform .28s ease,visibility .28s ease;
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:22px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:17px 2px;border-bottom:1px solid var(--line);
  font-size:19px;color:var(--ink);
}
.drawer-nav a.active{color:var(--brand);font-weight:600}
.drawer-nav a span{font-size:13px;color:var(--ink-3)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:24px}
.drawer-foot .btn-accent{width:100%;padding:14px 20px}
.drawer-foot p{font-size:12.5px;color:var(--ink-3)}

/* Breadcrumb + Hero */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);margin-bottom:20px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--ink-3);opacity:.7}
.breadcrumb .current{color:var(--ink-3)}
.page-hero{padding:44px 0 72px;position:relative;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(220,233,226,.9),rgba(220,233,226,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--brand-soft);color:var(--brand);
}
.badge--outline{background:transparent;color:var(--accent);border:1px solid rgba(198,97,58,.45)}
h1{
  margin-top:18px;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--ink);
}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:0;border-radius:999px;
  padding:14px 28px;font-size:15px;font-weight:600;line-height:1.2;
  box-shadow:0 1px 2px rgba(18,32,28,.08);cursor:pointer;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(10,70,57,.24)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand);border:1.5px solid #C9D8CF;border-radius:999px;
  padding:13px 26px;font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.btn-secondary:hover{background:var(--brand-soft);border-color:#B6CDBF;color:var(--brand-deep);transform:translateY(-1px)}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:14px}
.text-link svg{transition:transform var(--ease)}
.text-link:hover svg{transform:translateX(3px)}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.hero-points span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2)}
.hero-points svg{color:var(--brand);flex-shrink:0}
.hero-visual{position:relative}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-2);background:var(--brand-soft);
  aspect-ratio:4/3.1;
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.hero-media:hover img{transform:scale(1.03)}
.hero-note{
  position:absolute;left:18px;right:18px;bottom:18px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border:1px solid rgba(227,222,210,.9);
  border-radius:14px;padding:14px 16px;
  box-shadow:0 8px 20px rgba(18,32,28,.08);
}
.hero-note strong{display:block;font-size:14px;color:var(--ink)}
.hero-note p{font-size:12.5px;line-height:1.65;color:var(--ink-2);margin-top:2px}

/* Flow */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.flow-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.flow-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5E4DB}
.flow-card:not(:last-child)::after{
  content:"";position:absolute;top:44px;right:-25px;width:26px;height:2px;
  background:var(--line);
}
.flow-num{
  display:block;font-size:42px;line-height:1;font-weight:700;color:var(--brand);
  letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
.flow-card h3{margin:18px 0 8px}
.flow-card p{font-size:14px;line-height:1.8;color:var(--ink-2)}
.flow-tag{
  display:inline-flex;margin-top:16px;padding:4px 10px;border-radius:999px;
  font-size:12px;color:var(--accent);border:1px solid rgba(198,97,58,.4);
}

/* Compare */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{border-radius:18px;padding:30px 28px}
.compare-card.do{background:var(--brand-soft);border:1px solid #C9DCCF}
.compare-card.dont{background:#fff;border:1px solid var(--line)}
.compare-card h3{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.compare-icon{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
  background:var(--brand);color:#fff;
}
.compare-card.dont .compare-icon{background:#fff;color:var(--ink-3);border:1px solid var(--line)}
.compare-card > p{font-size:13.5px;color:var(--ink-2);margin-bottom:10px}
.compare-list li{
  position:relative;padding:13px 0 13px 28px;
  font-size:14.5px;color:var(--ink);border-top:1px solid rgba(18,32,28,.09);
}
.compare-list li::before{
  position:absolute;left:0;top:13px;width:18px;height:18px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;font-weight:700;
}
.compare-card.do .compare-list li::before{content:"✓";background:var(--brand);color:#fff}
.compare-card.dont .compare-list li::before{content:"—";background:#F1EEE5;color:var(--ink-3)}

/* Metrics */
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.metric{padding:6px 0}
.metric .num{
  display:flex;align-items:baseline;gap:6px;
  font-size:clamp(34px,4vw,46px);line-height:1.1;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.metric .num em{font-style:normal;font-size:15px;font-weight:600;color:var(--accent);letter-spacing:0}
.metric p{margin-top:8px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.68);max-width:260px}
.metric + .metric{border-left:1px solid rgba(255,255,255,.14);padding-left:28px}
.metrics-note{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:12.5px;color:rgba(255,255,255,.55)}

/* Checklist */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.check-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5E4DB}
.check-icon{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;
}
.check-item h3{font-size:16px;margin-bottom:4px}
.check-item p{font-size:13.5px;line-height:1.75;color:var(--ink-2)}

/* FAQ */
.faq-wrap{max-width:860px;margin-inline:auto}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:14px!important;
  overflow:hidden;margin-bottom:12px;box-shadow:var(--shadow-1);
}
.accordion-button{
  background:#fff!important;color:var(--ink)!important;
  font-size:16px;font-weight:600;line-height:1.6;
  padding:19px 22px;box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:var(--brand)!important;background:#fff!important}
.accordion-button::after{
  content:"+";background-image:none!important;width:auto!important;height:auto!important;
  font-size:22px;line-height:1;color:var(--brand);display:flex;align-items:center;justify-content:center;
  transform:none!important;margin-left:16px;
}
.accordion-button:not(.collapsed)::after{content:"−";color:var(--accent)}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* CTA */
.cta-band{
  background:var(--brand-soft);border:1px solid #C9DCCF;border-radius:24px;
  padding:42px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;
}
.cta-band h2{padding-left:0}
.cta-band h2::before{display:none}
.cta-band .cta-lead{margin-top:14px;font-size:15px;color:var(--ink-2);max-width:520px}
.cta-list{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.cta-list li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--ink-2)}
.cta-list svg{color:var(--brand);flex-shrink:0;margin-top:5px}
.form-card{
  background:#fff;border:1px solid rgba(201,220,207,.9);border-radius:18px;
  padding:28px;box-shadow:0 12px 28px rgba(18,32,28,.07);
}
.form-card h3{font-size:18px;margin-bottom:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--ink-2);margin-bottom:6px}
.field label .req{color:var(--accent);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #D8D3C6;border-radius:var(--radius-input);
  padding:12px 14px;font-size:14px;color:var(--ink);background:#fff;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field input,.field select{height:48px}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,91,74,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#A7B0AB}
.form-card .btn-primary{width:100%;margin-top:16px}
.form-note{font-size:12px;line-height:1.7;color:var(--ink-3);margin-top:10px}

/* Floating CTA */
.floating-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;border-radius:999px;
  padding:13px 22px;font-size:14px;font-weight:600;
  box-shadow:0 12px 30px rgba(10,70,57,.28);
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,background var(--ease);
}
.floating-cta.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.floating-cta:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px)}
.floating-cta svg{flex-shrink:0}

/* Footer */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1.1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.site-footer .logo-mark{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.16)}
.site-footer .logo-main{color:#fff}
.site-footer .logo-sub{color:rgba(255,255,255,.5)}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68)}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact p{margin-bottom:8px;font-size:13.5px;color:rgba(255,255,255,.66)}
.footer-contact strong{color:#fff;font-weight:600}
.site-footer .btn-accent{margin-top:14px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 20px;
  font-size:12.5px;color:rgba(255,255,255,.52);
}
.fb-right{display:flex;flex-wrap:wrap;gap:16px}

/* Responsive */
@media (max-width:1199px){
  .header-inner{gap:16px}
  .nav-links a{padding:9px 8px;font-size:13.5px}
  .nav-search{width:190px}
  .hero-grid{gap:36px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .nav-links,.nav-search,.link-btn{display:none}
  .menu-toggle{display:flex}
  .header-actions{gap:8px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{max-width:640px}
  .hero-media{aspect-ratio:4/2.6}
  .flow-grid{grid-template-columns:1fr}
  .flow-card:not(:last-child)::after{display:none}
  .compare-grid{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .shell{width:calc(100% - 40px)}
  .section{padding:58px 0}
  .page-hero{padding:30px 0 56px}
  .hero-lead{font-size:16px}
  .metrics{grid-template-columns:1fr;gap:20px}
  .metric + .metric{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:20px}
  .form-grid{grid-template-columns:1fr}
  .cta-band{padding:26px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575px){
  .logo-main{font-size:13.5px}
  .logo-sub{font-size:9px}
  .logo-mark{width:30px;height:30px;font-size:15px}
  .hero-actions .btn-primary,.hero-actions .btn-secondary{width:100%}
  .floating-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:center;padding:14px 16px;
    box-shadow:0 -6px 20px rgba(10,70,57,.18);
  }
  .site-footer{padding-bottom:56px}
  .compare-card{padding:24px 20px}
  .flow-card{padding:24px 20px}
  .faq-wrap{max-width:100%}
}

/* roulang page: category4 */
:root{
  --brand:#0E5B4A;
  --brand-deep:#0A4639;
  --accent:#C6613A;
  --accent-deep:#A94E2C;
  --brand-soft:#DCE9E2;
  --paper:#F8F4EC;
  --surface:#FFFFFF;
  --dark:#12201C;
  --text:#12201C;
  --text-2:#4A5A54;
  --text-3:#7C8A84;
  --line:#E3DED2;
  --line-soft:#C9D8CF;
  --warm-soft:#F6E2D6;
  --warm-line:#EBCDBB;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(18,32,28,.05);
  --shadow-2:0 10px 28px rgba(18,32,28,.10);
  --space:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1em;padding-left:1.15em;}
li{margin-bottom:.45em;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.shell{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(248,244,236,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(18,32,28,.08);}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:15px;font-weight:700;color:var(--text);letter-spacing:.2px;white-space:nowrap;}
.logo-sub{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);}
.nav-links{display:flex;align-items:center;gap:20px;margin:0;padding:0;list-style:none;}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;color:var(--text-2);white-space:nowrap;
  padding:6px 0;transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:16px;
  background:var(--brand);border-radius:2px;
  opacity:0;transform:translateY(3px);
  transition:opacity .22s ease,transform .22s ease,width .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{opacity:1;transform:translateY(0);width:24px;}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{opacity:1;transform:translateY(0);width:24px;}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box i{position:absolute;left:14px;font-size:14px;color:var(--text-3);pointer-events:none;}
.search-box input{
  width:190px;height:38px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  padding:0 14px 0 36px;font-size:13px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,width .2s ease;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(14,91,74,.12);width:220px;
}
.btn-text-link{
  font-size:14px;color:var(--text-2);white-space:nowrap;padding:6px 2px;
}
.btn-text-link:hover{color:var(--brand);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  padding:9px 20px;border-radius:999px;border:1px solid transparent;
  white-space:nowrap;box-shadow:var(--shadow-1);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover,.btn-accent:focus{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-accent:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);
  border-radius:12px;background:var(--surface);color:var(--brand);
  font-size:18px;align-items:center;justify-content:center;
}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:1200;background:var(--paper);
  transform:translateY(-102%);transition:transform .32s ease;
  display:flex;flex-direction:column;padding:20px 24px 32px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand);font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-links a{
  font-size:19px;font-weight:600;color:var(--text);
  padding:14px 0;border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--brand);}
.drawer-search{display:flex;margin-bottom:18px;}
.drawer-search input{
  width:100%;height:46px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);padding:0 16px;font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,91,74,.12);}
.drawer-cta{width:100%;height:48px;font-size:15px;}

/* ---------- Breadcrumb ---------- */
.crumbs{padding:20px 0 0;font-size:13px;color:var(--text-3);}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs span.sep{margin:0 8px;color:#BFB9AB;}
.crumbs .current{color:var(--text-2);}

/* ---------- Hero ---------- */
.page-hero{padding:36px 0 64px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;padding:5px 14px;border-radius:999px;
  margin-bottom:18px;
}
.eyebrow i{font-size:13px;}
.hero-title{
  font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:700;
  letter-spacing:-.01em;margin-bottom:16px;
}
.hero-title .hl{color:var(--brand);}
.hero-lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  padding:13px 28px;border-radius:999px;border:1px solid var(--brand);
  box-shadow:var(--shadow-1);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--surface);color:var(--brand);font-size:15px;font-weight:600;
  padding:13px 26px;border-radius:999px;border:1.5px solid var(--line-soft);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;padding:0;margin:0;list-style:none;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);margin:0;}
.hero-points i{color:var(--brand);font-size:15px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/12;object-fit:cover;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-2);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(220,233,226,.30),rgba(14,91,74,.14));
  pointer-events:none;
}
.hero-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.94);color:var(--brand);
  font-size:13px;font-weight:600;padding:8px 16px;border-radius:999px;
  box-shadow:var(--shadow-1);
}

/* ---------- Sections ---------- */
.section{padding:var(--space) 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-title{font-size:clamp(24px,2.8vw,32px);line-height:1.35;position:relative;padding-left:16px;margin-bottom:14px;}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;width:4px;height:24px;
  background:var(--brand);border-radius:2px;
}
.section-lead{font-size:16px;color:var(--text-2);max-width:720px;}

/* ---------- Prose ---------- */
.prose-col{max-width:760px;margin:0 auto;}
.prose h2{font-size:clamp(22px,2.4vw,28px);margin:36px 0 14px;line-height:1.4;}
.prose h3{font-size:19px;margin:28px 0 10px;font-weight:600;}
.prose p{font-size:16px;line-height:1.85;color:var(--text-2);margin-bottom:1em;}
.prose ul{list-style:none;padding-left:0;}
.prose ul li{position:relative;padding-left:22px;font-size:16px;line-height:1.85;color:var(--text-2);}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  background:var(--brand);border-radius:2px;
}
.prose blockquote{
  margin:24px 0;padding:16px 22px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:15px;color:var(--brand-deep);line-height:1.8;
}
.prose-figure{margin:30px 0;}
.prose-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-sm);}
.prose-figure figcaption{font-size:12px;color:var(--text-3);margin-top:10px;}
.note-inline{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;margin:24px 0;box-shadow:var(--shadow-1);
}
.note-inline i{color:var(--accent);font-size:18px;line-height:1.4;}
.note-inline p{font-size:14.5px;color:var(--text-2);margin:0;}

/* ---------- Tip cards ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.tip-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--warm-soft);border:1px solid var(--warm-line);
  border-radius:var(--radius-card);padding:24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#E0BCA6;}
.tip-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;
  background:#fff;color:var(--accent);display:flex;align-items:center;justify-content:center;
  font-size:20px;box-shadow:var(--shadow-1);
}
.tip-title{font-size:17px;font-weight:600;margin-bottom:6px;color:var(--text);}
.tip-text{font-size:14.5px;line-height:1.75;color:var(--text-2);margin:0;}

/* ---------- Channel list ---------- */
.channel-list{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
}
.channel-row{
  display:grid;grid-template-columns:220px 1fr;gap:24px;
  padding:22px 26px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.channel-row:last-child{border-bottom:0;}
.channel-row:hover{background:#FBF9F4;}
.channel-name{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600;color:var(--text);}
.channel-name i{color:var(--brand);font-size:17px;}
.channel-desc{font-size:14.5px;line-height:1.75;color:var(--text-2);margin:0;}
.channel-desc .tag{
  display:inline-block;font-size:12px;color:var(--brand);background:var(--brand-soft);
  padding:2px 10px;border-radius:999px;margin-left:8px;vertical-align:middle;
}

/* ---------- Check list ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.check-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-item:hover{transform:translateY(-2px);border-color:var(--brand-soft);box-shadow:var(--shadow-2);}
.check-num{
  font-size:32px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:12px;
}
.check-title{font-size:16px;font-weight:600;margin-bottom:8px;}
.check-text{font-size:14px;line-height:1.75;color:var(--text-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
.faq-side .section-title{margin-bottom:14px;}
.faq-side p{font-size:15px;color:var(--text-2);margin-bottom:22px;}
.faq-acc .accordion-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-header{margin:0;}
.faq-acc .accordion-button{
  background:var(--surface);color:var(--text);
  font-size:16px;font-weight:600;padding:18px 20px;
  border-radius:14px;box-shadow:none;
  transition:color .2s ease,background .2s ease;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand);background:#FBF9F4;box-shadow:none;
}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-acc .accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:-4px;}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;font-size:22px;font-weight:400;
  width:auto;height:auto;line-height:1;color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  transform:none;transition:color .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";color:var(--accent);}
.faq-acc .accordion-body{
  padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2);
  background:#FBF9F4;
}

/* ---------- Back home ---------- */
.back-home{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-2);margin-top:32px;
  transition:color .2s ease,gap .2s ease;
}
.back-home:hover{color:var(--brand);gap:12px;}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 var(--space);}
.cta-inner{
  background:var(--brand-soft);border-radius:var(--radius-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(21px,2.3vw,27px);margin-bottom:8px;}
.cta-inner p{font-size:15px;color:var(--brand-deep);margin:0;max-width:560px;}
.cta-note{font-size:12px;color:var(--text-3);margin-top:14px;}

/* ---------- Float CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  padding:12px 22px;border-radius:999px;box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,background .2s ease,visibility .25s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover,.float-cta:focus{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.float-cta.is-outline{background:var(--surface);color:var(--brand);border:1.5px solid var(--line-soft);}
.float-cta.is-outline:hover{background:var(--brand-soft);color:var(--brand-deep);}
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1045;
  background:var(--surface);border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  align-items:center;justify-content:space-between;gap:12px;
}
.mobile-bar span{font-size:13px;color:var(--text-2);}
.mobile-bar .btn-accent{padding:8px 16px;font-size:13px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-deep);color:#E7EFEB;padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(220,233,226,.16);color:#DCE9E2;}
.footer-brand .logo-main{color:#fff;font-size:15px;font-weight:700;}
.footer-brand .logo-sub{color:rgba(231,239,235,.6);}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(231,239,235,.72);margin-bottom:12px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:.01em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(231,239,235,.74);transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-contact p{font-size:14px;color:rgba(231,239,235,.72);margin-bottom:10px;}
.footer-contact strong{color:#fff;font-weight:600;}
.site-footer .btn-accent{margin-top:8px;background:var(--accent);}
.site-footer .btn-accent:hover{background:var(--accent-deep);}
.footer-bottom{
  border-top:1px solid rgba(231,239,235,.16);
  padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(231,239,235,.55);
}
.fb-right{display:flex;gap:20px;flex-wrap:wrap;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .nav-links{gap:16px;}
  .nav-links a{font-size:14px;}
  .search-box input{width:160px;}
  .search-box input:focus{width:180px;}
}
@media (max-width:991.98px){
  :root{--space:72px;}
  .nav-links,.header-tools .search-box,.header-tools .btn-text-link,.header-tools .btn-accent{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .header-tools{margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:2;}
  .hero-media img{aspect-ratio:16/10;max-height:320px;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .channel-row{grid-template-columns:1fr;gap:8px;padding:20px 22px;}
  .float-cta{display:none;}
  .mobile-bar{display:flex;}
  .site-footer{padding-bottom:64px;}
  .cta-inner{padding:32px 28px;}
}
@media (max-width:767.98px){
  :root{--space:56px;}
  .shell{padding:0 20px;}
  .tip-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%;}
  .hero-lead{font-size:16px;}
  .hero-media img{aspect-ratio:16/11;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:10px;}
  .fb-right{flex-direction:column;gap:6px;}
  .prose h2{margin-top:28px;}
  .cta-inner{padding:28px 22px;}
  .cta-inner .btn-primary{width:100%;}
}
@media (max-width:575.98px){
  .hero-points{gap:8px 18px;}
  .tip-card{padding:18px;}
  .check-item{padding:18px;}
  .faq-acc .accordion-button{font-size:15px;padding:16px;}
  .faq-acc .accordion-body{padding:0 16px 16px;font-size:14.5px;}
  .logo-main{font-size:13.5px;}
  .mobile-bar span{font-size:12px;}
}