/* roulang page: index */
:root{
  --c-primary:#0E5C4A;
  --c-primary-600:#12775F;
  --c-primary-100:#CDE7DE;
  --c-primary-50:#EAF4F0;
  --c-accent:#FF7A2F;
  --c-accent-600:#E8641C;
  --c-bg:#F6F8F5;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF2EE;
  --c-dark:#0C1E19;
  --c-text:#10231E;
  --c-text-2:#4C5C56;
  --c-text-3:#82928C;
  --c-line:#DCE5E0;
  --c-ring:rgba(18,119,95,.45);
  --sh-1:0 1px 2px rgba(16,35,30,.05),0 8px 24px -12px rgba(16,35,30,.14);
  --sh-2:0 2px 4px rgba(16,35,30,.06),0 18px 40px -18px rgba(16,35,30,.22);
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-sans);font-size:17px;line-height:1.85;
  color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;color:var(--c-text);}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:var(--c-primary-100);}
:focus-visible{outline:2px solid var(--c-ring);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.bg-white{background:var(--c-surface);}
.bg-soft{background:var(--c-bg);}
.bg-mist{background:var(--c-surface-2);}
.bg-dark{background:var(--c-dark);color:#fff;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.06em;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-accent);border-radius:2px;}
.h2{font-size:32px;font-weight:700;line-height:1.35;}
.h3{font-size:22px;font-weight:600;line-height:1.45;}
.h4{font-size:18px;font-weight:600;line-height:1.5;}
.lead{font-size:17px;color:var(--c-text-2);}
.muted{color:var(--c-text-3);font-size:14px;line-height:1.7;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all 180ms ease-out;white-space:nowrap;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-600);box-shadow:var(--sh-2);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-600);box-shadow:var(--sh-2);}
.btn-line{background:#fff;border-color:var(--c-line);color:var(--c-primary);}
.btn-line:hover{border-color:var(--c-primary);background:var(--c-primary-50);}
.btn-ghost{background:transparent;border-color:var(--c-primary-100);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-50);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-lg{padding:15px 30px;font-size:16px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;}
.link-arrow svg{transition:transform 180ms ease-out;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;
  font-size:12px;font-weight:600;background:var(--c-primary-50);color:var(--c-primary);}
.badge-accent{background:rgba(255,122,47,.12);color:var(--c-accent-600);}
.badge-dark{background:rgba(255,255,255,.1);color:#fff;}
.pill{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--c-text-2);border:1px solid transparent;
  transition:all 180ms ease-out;white-space:nowrap;}
.pill:hover{background:var(--c-primary-50);color:var(--c-primary);}
.pill.is-active{background:var(--c-primary-50);color:var(--c-primary);font-weight:600;}
.pill-ghost{border-color:var(--c-line);background:#fff;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);}
.header-main{height:68px;}
.header-main-inner{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:38px;height:38px;border-radius:11px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:18px;font-weight:700;color:var(--c-text);}
.logo-text span{font-size:12px;color:var(--c-text-3);letter-spacing:.02em;}
.nav-search{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:560px;
  height:46px;background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:999px;
  padding:0 6px 0 16px;transition:border-color 180ms ease-out,box-shadow 180ms ease-out;}
.nav-search:focus-within{border-color:var(--c-primary-600);box-shadow:0 0 0 4px var(--c-ring);background:#fff;}
.nav-search svg{flex:0 0 auto;color:var(--c-text-3);}
.nav-search input{flex:1 1 auto;border:0;background:transparent;outline:none;padding:0 12px;
  font-size:14px;color:var(--c-text);min-width:0;}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search-btn{border:0;background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  height:36px;padding:0 18px;border-radius:999px;cursor:pointer;transition:background 180ms ease-out;}
.nav-search-btn:hover{background:var(--c-primary-600);}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-link{font-size:14px;font-weight:600;color:var(--c-text-2);}
.nav-link:hover{color:var(--c-primary);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;transition:transform 180ms ease-out,opacity 180ms ease-out;}
body.drawer-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.drawer-open .nav-toggle span:nth-child(2){opacity:0;}
body.drawer-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.subnav{border-top:1px solid var(--c-line);height:44px;background:rgba(255,255,255,.7);}
.subnav-inner{display:flex;align-items:center;gap:6px;height:44px;overflow-x:auto;scrollbar-width:none;}
.subnav-inner::-webkit-scrollbar{display:none;}
.subnav-note{margin-left:auto;font-size:13px;color:var(--c-text-3);white-space:nowrap;padding-left:16px;}
.header-search-mobile{display:none;}
.mobile-drawer{display:none;}

/* ---------- 锚点条 ---------- */
.anchorbar{position:sticky;top:112px;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);}
.anchorbar-inner{display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;scrollbar-width:none;}
.anchorbar-inner::-webkit-scrollbar{display:none;}
.anchor-link{font-size:14px;font-weight:500;color:var(--c-text-2);padding:7px 16px;border-radius:999px;
  transition:all 180ms ease-out;white-space:nowrap;}
.anchor-link:hover{background:var(--c-primary-50);color:var(--c-primary);}
.anchor-link.is-current{background:var(--c-primary-50);color:var(--c-primary);font-weight:600;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--c-surface);padding:72px 0 88px;}
.hero::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--c-line) 1px,transparent 1px),linear-gradient(90deg,var(--c-line) 1px,transparent 1px);
  background-size:52px 52px;opacity:.45;
  -webkit-mask-image:radial-gradient(ellipse 75% 70% at 30% 30%,#000 20%,transparent 75%);
  mask-image:radial-gradient(ellipse 75% 70% at 30% 30%,#000 20%,transparent 75%);}
.hero::after{content:"";position:absolute;width:760px;height:760px;border-radius:50%;
  background:var(--c-primary-50);right:-330px;top:-240px;opacity:.85;}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{font-size:48px;font-weight:700;line-height:1.25;margin:18px 0 16px;}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{font-size:19px;font-weight:600;color:var(--c-primary-600);margin-bottom:14px;}
.hero-desc{font-size:17px;color:var(--c-text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:32px;}
.hero-point{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2);}
.hero-point svg{color:var(--c-primary);flex:0 0 auto;}
.hero-figure{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-2);}
.hero-figure img{width:100%;height:420px;object-fit:cover;transition:transform 400ms ease-out;}
.hero-figure:hover img{transform:scale(1.03);}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,30,25,0) 45%,rgba(12,30,25,.6) 100%);}
.hero-figure figcaption{position:absolute;left:22px;right:22px;bottom:20px;z-index:2;color:#fff;font-size:14px;line-height:1.6;}
.hero-figure .badge{position:absolute;left:22px;top:20px;z-index:2;}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--c-surface-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:32px 8px;text-align:center;position:relative;}
.stat + .stat::before{content:"";position:absolute;left:0;top:30%;height:40%;width:1px;background:var(--c-line);}
.stat-num{font-size:40px;font-weight:700;color:var(--c-primary);line-height:1.1;font-family:var(--font-mono);}
.stat-num small{font-size:18px;font-weight:600;margin-left:4px;font-family:var(--font-sans);}
.stat-label{margin-top:8px;font-size:14px;color:var(--c-text-2);}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split + .split{margin-top:72px;}
.split.reverse .split-media{order:2;}
.split-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);}
.split-media img{width:100%;height:340px;object-fit:cover;transition:transform 400ms ease-out;}
.split-media:hover img{transform:scale(1.03);}
.split-body h3{margin-bottom:14px;}
.split-body p{color:var(--c-text-2);font-size:16px;}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2);align-items:flex-start;}
.check-list svg{flex:0 0 auto;margin-top:5px;color:var(--c-primary);}

/* ---------- 能力条 ---------- */
.cap-bar{margin-top:72px;padding-top:40px;border-top:1px solid var(--c-line);
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.cap{display:flex;align-items:center;gap:12px;}
.cap svg{color:var(--c-primary);flex:0 0 auto;}
.cap b{display:block;font-size:15px;font-weight:600;}
.cap span{font-size:13px;color:var(--c-text-3);}

/* ---------- 演示步骤 ---------- */
.demo-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start;}
.steps{position:relative;padding-left:8px;}
.step{display:flex;gap:18px;padding-bottom:36px;position:relative;}
.step:last-child{padding-bottom:0;}
.step::before{content:"";position:absolute;left:19px;top:44px;bottom:0;width:1px;background:var(--c-line);}
.step:last-child::before{display:none;}
.step-num{flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--c-primary-50);
  color:var(--c-primary);font-weight:700;font-family:var(--font-mono);font-size:15px;
  display:flex;align-items:center;justify-content:center;}
.step h4{margin-bottom:6px;}
.step p{font-size:15px;color:var(--c-text-2);margin:0;}
.demo-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-primary-100);box-shadow:var(--sh-2);}
.demo-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--c-primary-50);color:var(--c-primary);font-size:13px;font-weight:500;}

/* ---------- 深色证据区 ---------- */
.proof-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;}
.proof-stats{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:32px;}
.proof-stat{border-left:2px solid rgba(255,255,255,.16);padding-left:18px;}
.proof-stat b{display:block;font-size:36px;font-weight:700;color:#fff;font-family:var(--font-mono);line-height:1.1;}
.proof-stat span{font-size:13px;color:rgba(255,255,255,.6);}
.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px;}
.logo-cell{height:64px;border-radius:12px;border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.04);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.04em;}
.quote-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px;}
.quote{border-radius:var(--r-card);border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.05);padding:22px;}
.quote p{font-size:15px;color:rgba(255,255,255,.9);margin:0 0 12px;}
.quote span{font-size:12px;color:rgba(255,255,255,.5);}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.price-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);transition:all 180ms ease-out;}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.price-card.featured{border-color:var(--c-primary-100);background:linear-gradient(180deg,var(--c-primary-50) 0%,#fff 55%);}
.price-tag{font-size:34px;font-weight:700;color:var(--c-primary);line-height:1.2;margin:14px 0 4px;}
.price-tag small{font-size:14px;font-weight:500;color:var(--c-text-3);margin-left:6px;}
.price-list{margin-top:22px;display:grid;gap:12px;}
.price-list li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2);}
.price-list svg{flex:0 0 auto;margin-top:5px;color:var(--c-primary);}
.price-cta{margin-top:28px;}
.consult-bar{margin-top:24px;border-radius:var(--r-card);background:var(--c-dark);color:#fff;
  padding:28px 32px;display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between;}
.consult-bar p{margin:0;font-size:15px;color:rgba(255,255,255,.75);}

/* ---------- 内容卡片 ---------- */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:all 180ms ease-out;}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.card-cover{display:block;position:relative;background:var(--c-primary-50);}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms ease-out;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-cover::after{content:"";position:absolute;inset:0;background:rgba(12,30,25,0);transition:background 180ms ease-out;}
.card:hover .card-cover::after{background:rgba(12,30,25,.06);}
.card-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-title{font-size:17px;font-weight:600;line-height:1.55;margin:12px 0 10px;}
.card-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card-title a{color:var(--c-primary);}
.card-desc{font-size:14px;color:var(--c-text-2);line-height:1.75;flex:1 1 auto;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 18px;}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-3);
  border-top:1px solid var(--c-line);padding-top:14px;}
.empty-card{background:var(--c-surface-2);border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;grid-column:1/-1;}
.empty-card b{display:block;font-size:16px;margin:14px 0 6px;}
.empty-card span{font-size:14px;color:var(--c-text-3);}
.empty-icon{width:52px;height:52px;border-radius:16px;background:#fff;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;margin:0 auto;color:var(--c-text-3);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start;}
.faq-side{position:sticky;top:190px;}
.faq-side p{color:var(--c-text-2);font-size:15px;margin-top:16px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;}
.faq-item + .faq-item{margin-top:14px;}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;
  cursor:pointer;font-size:16px;font-weight:600;list-style:none;transition:background 180ms ease-out;}
.faq-q::-webkit-details-marker{display:none;}
.faq-q:hover{background:var(--c-primary-50);}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform 180ms ease-out;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;transition:opacity 180ms ease-out;}
details[open] .faq-icon{transform:rotate(45deg);}
.faq-a{padding:18px 24px 24px;font-size:15px;line-height:1.85;color:var(--c-text-2);border-top:1px solid var(--c-line);}
.faq-a p:last-child{margin-bottom:0;}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--c-dark);color:#fff;position:relative;overflow:hidden;padding:80px 0;}
.cta-band::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:rgba(18,119,95,.35);right:-180px;bottom:-260px;}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{font-size:32px;font-weight:700;color:#fff;line-height:1.35;}
.cta-inner p{color:rgba(255,255,255,.7);font-size:16px;margin:14px 0 0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#fff;padding:72px 0 0;border-top:1px solid rgba(255,255,255,.1);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .logo-mark{background:var(--c-primary-600);}
.footer-brand b{font-size:17px;font-weight:700;color:#fff;}
.site-footer p{color:rgba(255,255,255,.62);font-size:14px;line-height:1.8;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);transition:color 180ms ease-out;}
.footer-links a:hover{color:var(--c-primary-100);}
.footer-info{display:grid;gap:10px;font-size:14px;color:rgba(255,255,255,.62);}
.footer-info b{color:#fff;font-weight:600;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.45);}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:80;opacity:0;transform:translateY(12px);
  pointer-events:none;transition:opacity 220ms ease-out,transform 220ms ease-out;}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta.is-hidden{opacity:0;pointer-events:none;}
.float-cta .btn{box-shadow:var(--sh-2);height:48px;border-radius:999px;padding:0 24px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:72px 0;}
  .header-main-inner{gap:14px;}
  .nav-search{max-width:none;}
  .nav-actions .nav-link{display:none;}
  .hero{padding:56px 0 64px;}
  .hero h1{font-size:36px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure img{height:320px;}
  .split,.demo-grid,.proof-grid,.faq-layout{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-media{order:0;}
  .anchorbar{top:152px;}
  .faq-side{position:static;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cap-bar{grid-template-columns:1fr 1fr;gap:20px;}
}
@media (max-width:860px){
  .nav-search{display:none;}
  .nav-actions .btn-accent{display:none;}
  .nav-toggle{display:flex;}
  .header-main{height:64px;}
  .header-main-inner{height:64px;}
  .header-search-mobile{display:block;padding:0 0 12px;}
  .header-search-mobile .nav-search{display:flex;max-width:none;height:44px;background:var(--c-surface-2);}
  .subnav{height:auto;padding:0;}
  .subnav-inner{height:44px;}
  .subnav-note{display:none;}
  .anchorbar{top:176px;}
  .mobile-drawer{display:none;position:fixed;inset:0;top:0;background:#fff;z-index:90;padding:20px;
    overflow-y:auto;}
  body.drawer-open .mobile-drawer{display:block;}
  .drawer-close{display:flex;justify-content:flex-end;margin-bottom:16px;}
  .drawer-close button{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:#fff;cursor:pointer;font-size:20px;color:var(--c-text-2);}
  .drawer-nav{display:grid;gap:8px;margin-top:20px;}
  .drawer-nav a{padding:14px 16px;border-radius:12px;border:1px solid var(--c-line);font-size:15px;font-weight:600;}
  .drawer-nav a.is-active{background:var(--c-primary-50);border-color:var(--c-primary-100);color:var(--c-primary);}
  .float-cta{right:0;left:0;bottom:0;transform:translateY(100%);}
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;
    background:#fff;border-radius:16px 16px 0 0;box-shadow:0 -6px 24px -12px rgba(16,35,30,.28);
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--c-line);}
  .float-cta-inner span{font-size:13px;color:var(--c-text-2);}
  .float-cta .btn{height:40px;padding:0 18px;font-size:14px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .hero{padding:44px 0 52px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:17px;}
  .h2{font-size:24px;}
  .h3{font-size:19px;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stat + .stat::before{display:none;}
  .stat:nth-child(n+3){border-top:1px solid var(--c-line);}
  .stat-num{font-size:32px;}
  .price-grid{grid-template-columns:1fr;}
  .proof-stats{grid-template-columns:1fr 1fr;}
  .logo-wall{grid-template-columns:repeat(2,1fr);}
  .quote-row{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .cap-bar{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-inner h2{font-size:24px;}
  .consult-bar{padding:24px;}
  .split-media img,.hero-figure img{height:250px;}
  .anchorbar{top:172px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E5C4A;
  --c-primary-600:#12775F;
  --c-primary-100:#CDE7DE;
  --c-primary-50:#EAF4F0;
  --c-accent:#FF7A2F;
  --c-accent-600:#E8641C;
  --c-bg:#F6F8F5;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF2EE;
  --c-dark:#0C1E19;
  --c-text:#10231E;
  --c-text-2:#4C5C56;
  --c-text-3:#82928C;
  --c-line:#DCE5E0;
  --c-ring:rgba(18,119,95,.45);
  --sh-1:0 1px 2px rgba(16,35,30,.05), 0 8px 24px -12px rgba(16,35,30,.14);
  --sh-2:0 2px 4px rgba(16,35,30,.06), 0 18px 40px -18px rgba(16,35,30,.22);
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
h1{font-size:48px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
h2{font-size:32px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
h3{font-size:22px;line-height:1.5;font-weight:600}
h4{font-size:18px;line-height:1.6;font-weight:600}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:96px 0}
.section-alt{background:var(--c-surface-2)}
.section-white{background:var(--c-surface)}
.sec-head{margin-bottom:36px;max-width:720px}
.sec-head p{color:var(--c-text-2);font-size:16px;margin-top:12px;line-height:1.8}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);background:var(--c-primary-50);border-radius:999px;padding:6px 14px;letter-spacing:.02em}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--c-accent)}
:focus-visible{outline:2px solid var(--c-ring);outline-offset:2px;border-radius:8px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line)}
.topbar{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px;flex-shrink:0}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--c-text);white-space:nowrap}
.brand-text b{color:var(--c-primary);font-weight:700}
.search{flex:1;max-width:560px;height:46px;border:1px solid var(--c-line);background:#fff;border-radius:999px;display:flex;align-items:center;gap:10px;padding:0 6px 0 16px;transition:border-color 180ms ease-out, box-shadow 180ms ease-out}
.search:focus-within{border-color:var(--c-primary-600);box-shadow:0 0 0 4px var(--c-ring)}
.search svg{width:18px;height:18px;flex-shrink:0;color:var(--c-text-3)}
.search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15px;height:100%}
.search input::placeholder{color:var(--c-text-3)}
.search-submit{border:0;cursor:pointer;background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;height:36px;padding:0 18px;border-radius:999px;transition:background 180ms ease-out,transform 180ms ease-out}
.search-submit:hover{background:var(--c-primary-600)}
.search-submit:active{transform:translateY(1px)}
.top-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex-shrink:0}
.link-plain{font-size:15px;color:var(--c-text-2);transition:color 180ms ease-out}
.link-plain:hover{color:var(--c-primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:12px 22px;cursor:pointer;transition:background 180ms ease-out,border-color 180ms ease-out,color 180ms ease-out,transform 180ms ease-out,box-shadow 180ms ease-out}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-50)}
.btn-text{background:transparent;color:var(--c-primary);padding:12px 4px}
.btn-text:hover{color:var(--c-primary-600)}
.btn-text svg{width:16px;height:16px;transition:transform 180ms ease-out}
.btn-text:hover svg{transform:translateX(3px)}
.menu-btn{display:none;margin-left:auto;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:#fff;cursor:pointer;align-items:center;justify-content:center}
.menu-btn svg{width:20px;height:20px;color:var(--c-text)}
.subnav{border-top:1px solid var(--c-line);background:#fff}
.subnav-inner{display:flex;align-items:center;gap:10px;height:44px;overflow-x:auto;scrollbar-width:none}
.subnav-inner::-webkit-scrollbar{display:none}
.pill{flex-shrink:0;display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;font-size:14px;color:var(--c-text-2);background:var(--c-surface-2);transition:background 180ms ease-out,color 180ms ease-out}
.pill:hover{background:var(--c-primary-50);color:var(--c-primary)}
.pill.is-active{background:var(--c-primary-50);color:var(--c-primary);font-weight:600}
.pill-ghost{background:transparent;border:1px solid var(--c-line)}
.subnav-note{margin-left:auto;flex-shrink:0;font-size:13px;color:var(--c-text-3);padding-left:16px}
.mobile-menu{display:none;border-top:1px solid var(--c-line);background:#fff;padding:16px 0 20px}
.mobile-menu.is-open{display:block}
.mobile-menu .search{max-width:none;width:100%;margin-bottom:14px}
.mobile-links{display:flex;flex-direction:column;gap:4px}
.mobile-links a{padding:12px 4px;font-size:16px;color:var(--c-text-2);border-bottom:1px solid var(--c-line)}
.mobile-links a.is-active{color:var(--c-primary);font-weight:600}

/* ---------- 页头横幅 ---------- */
.page-hero{position:relative;color:#fff;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(12,30,25,.9) 0%,rgba(14,92,74,.74) 62%,rgba(12,30,25,.86) 100%)}
.page-hero .container{position:relative;z-index:1}
.hero-inner{padding:64px 0 60px;max-width:800px}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap}
.crumbs a:hover{color:#fff}
.crumbs span.sep{opacity:.5}
.crumbs .current{color:rgba(255,255,255,.6)}
.page-hero h1{margin-bottom:18px}
.hero-sub{font-size:17px;color:rgba(255,255,255,.86);max-width:660px;line-height:1.8}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:6px 12px}
.hero-badge i{width:6px;height:6px;border-radius:2px;background:var(--c-accent);display:inline-block}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- 目录式主体 ---------- */
.doc-layout{display:grid;grid-template-columns:260px 1fr;gap:48px;align-items:start}
.toc{position:sticky;top:128px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--sh-1)}
.toc-title{font-size:13px;font-weight:600;color:var(--c-text-3);letter-spacing:.04em;margin-bottom:14px}
.toc a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:15px;color:var(--c-text-2);transition:background 180ms ease-out,color 180ms ease-out}
.toc a:hover{background:var(--c-primary-50);color:var(--c-primary)}
.toc a .idx{font-size:12px;font-weight:700;color:var(--c-primary);background:var(--c-primary-50);border-radius:6px;width:22px;height:22px;display:grid;place-items:center;flex-shrink:0}
.toc a:hover .idx{background:#fff}
.toc-cta{margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line)}
.toc-cta .btn{width:100%;padding:11px 16px;font-size:14px}

.doc-block{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px 34px;box-shadow:var(--sh-1);margin-bottom:26px;scroll-margin-top:132px}
.doc-block-head{display:flex;align-items:flex-start;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--c-line);margin-bottom:6px}
.num-sq{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:var(--c-primary-50);color:var(--c-primary);font-weight:700;font-size:14px;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.doc-block-head h2{font-size:24px;line-height:1.4}
.doc-block-head p{font-size:15px;color:var(--c-text-2);margin-top:6px;line-height:1.7}
.entry-list{margin-top:4px}
.entry{display:flex;align-items:flex-start;gap:16px;padding:18px 12px 18px 4px;border-bottom:1px solid var(--c-line);transition:background 180ms ease-out}
.entry:last-child{border-bottom:0}
.entry:hover{background:var(--c-primary-50)}
.entry-idx{flex-shrink:0;width:26px;height:26px;border-radius:8px;border:1px solid var(--c-line);background:#fff;color:var(--c-primary);font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:2px;font-variant-numeric:tabular-nums}
.entry-body{flex:1;min-width:0}
.entry-body h3{font-size:17px;font-weight:600;margin-bottom:4px}
.entry-body p{font-size:15px;color:var(--c-text-2);line-height:1.75}
.entry-arrow{flex-shrink:0;width:20px;height:20px;color:var(--c-text-3);margin-top:6px;transition:transform 180ms ease-out,color 180ms ease-out}
.entry:hover .entry-arrow{transform:translateX(3px);color:var(--c-primary)}

/* ---------- 能力条 ---------- */
.cap-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:26px 0}
.cap-item{padding:0 24px;border-right:1px solid var(--c-line);display:flex;flex-direction:column;gap:8px}
.cap-item:last-child{border-right:0}
.cap-item svg{width:22px;height:22px;color:var(--c-primary)}
.cap-item b{font-size:15px;font-weight:600}
.cap-item span{font-size:13px;color:var(--c-text-3);line-height:1.6}

/* ---------- 流程 ---------- */
.flow-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.flow-steps{display:flex;flex-direction:column;gap:0}
.flow-step{display:flex;gap:20px;padding-bottom:30px;position:relative}
.flow-step:not(:last-child)::before{content:"";position:absolute;left:19px;top:44px;bottom:0;width:1px;background:var(--c-line)}
.flow-num{flex-shrink:0;width:40px;height:40px;border-radius:12px;background:#fff;border:1px solid var(--c-line);color:var(--c-primary);font-weight:700;font-size:14px;display:grid;place-items:center;font-variant-numeric:tabular-nums;box-shadow:var(--sh-1)}
.flow-step h3{font-size:18px;margin-bottom:6px}
.flow-step p{font-size:15px;color:var(--c-text-2);line-height:1.78}
.flow-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);aspect-ratio:16/10;background:var(--c-primary-50)}
.flow-media img{width:100%;height:100%;object-fit:cover}
.flow-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:8px;background:var(--c-primary-50);color:var(--c-primary);font-size:13px;font-weight:500}

/* ---------- 数据带 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:6px 28px;border-right:1px solid var(--c-line);text-align:left}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:40px;line-height:1.2;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat span{font-size:14px;color:var(--c-text-3);display:block;margin-top:6px;line-height:1.7}

/* ---------- 卡片 ---------- */
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform 180ms ease-out,box-shadow 180ms ease-out;display:flex;flex-direction:column;height:100%}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-50);position:relative}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;background:var(--c-primary-50);color:var(--c-primary);font-size:12px;font-weight:600;width:fit-content}
.card-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--c-text-2);line-height:1.72;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--c-text-3)}
.card-meta a{color:var(--c-primary);font-weight:600}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.faq-side{position:sticky;top:128px}
.faq-side h2{margin-bottom:14px}
.faq-side p{font-size:15px;color:var(--c-text-2);line-height:1.8}
.faq-side .btn{margin-top:22px}
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:800px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow 180ms ease-out}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";flex-shrink:0;width:14px;height:14px;background:
  linear-gradient(var(--c-primary),var(--c-primary)) center/14px 2px no-repeat,
  linear-gradient(var(--c-primary),var(--c-primary)) center/2px 14px no-repeat;
  transition:transform 200ms ease-out}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--c-text-2);line-height:1.82}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-dark);color:#fff;border-radius:22px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;border:1px solid rgba(255,255,255,.08)}
.cta-band h2{font-size:28px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#fff;margin-top:96px;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{font-size:17px;font-weight:700}
.site-footer .logo-mark{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16)}
.footer-grid p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8}
.footer-title{font-size:14px;font-weight:600;margin-bottom:16px;color:#fff}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);transition:color 180ms ease-out}
.footer-links a:hover{color:var(--c-primary-100)}
.footer-info{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.6);line-height:1.7}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;font-size:12px;color:rgba(255,255,255,.42)}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 22px;border-radius:999px;background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;box-shadow:var(--sh-2);opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity 240ms ease-out,transform 240ms ease-out,background 180ms ease-out}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--c-primary-600)}
.float-cta svg{width:18px;height:18px}
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--c-line);box-shadow:0 -8px 24px -14px rgba(16,35,30,.3);border-radius:16px 16px 0 0;padding:8px 16px calc(8px + env(safe-area-inset-bottom));align-items:center;justify-content:space-between;gap:12px}
.mobile-bar span{font-size:13px;color:var(--c-text-2)}
.mobile-bar .btn{padding:10px 18px;font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  h1{font-size:32px}
  h2{font-size:24px}
  h3{font-size:19px}
  .section{padding:72px 0}
  .topbar{height:64px;gap:12px;flex-wrap:wrap;padding:10px 0;height:auto}
  .top-actions{display:none}
  .menu-btn{display:inline-flex}
  .search{order:3;flex-basis:100%;max-width:none;height:44px;margin-top:4px}
  .search-submit{display:none}
  .subnav-inner{height:46px}
  .doc-layout{grid-template-columns:1fr;gap:26px}
  .toc{position:static;top:auto}
  .flow-wrap{grid-template-columns:1fr;gap:32px}
  .cap-bar{grid-template-columns:repeat(2,1fr);gap:22px 0}
  .cap-item:nth-child(2){border-right:0}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .stat:nth-child(2){border-right:0}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .cta-band{padding:34px}
}
@media (max-width:768px){
  body{font-size:16px;padding-bottom:64px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero-inner{padding:44px 0 40px}
  .doc-block{padding:24px 20px}
  .entry{padding:16px 8px 16px 2px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 80px}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  .cta-band{border-radius:18px;padding:28px 22px}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}
@media (max-width:520px){
  h1{font-size:28px}
  .cap-bar{grid-template-columns:1fr;gap:20px}
  .cap-item{border-right:0;padding:0}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;padding:0}
  .brand-text{font-size:16px}
}

/* roulang page: article */
:root{
  --c-primary:#0E5C4A;
  --c-primary-600:#12775F;
  --c-primary-100:#CDE7DE;
  --c-primary-50:#EAF4F0;
  --c-accent:#FF7A2F;
  --c-accent-600:#E8641C;
  --c-bg:#F6F8F5;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF2EE;
  --c-dark:#0C1E19;
  --c-text:#10231E;
  --c-text-2:#4C5C56;
  --c-text-3:#82928C;
  --c-line:#DCE5E0;
  --c-ring:rgba(18,119,95,.45);
  --sh-1:0 1px 2px rgba(16,35,30,.05),0 8px 24px -12px rgba(16,35,30,.14);
  --sh-2:0 2px 4px rgba(16,35,30,.06),0 18px 40px -18px rgba(16,35,30,.22);
  --r-card:18px;--r-img:14px;--r-btn:12px;--r-pill:999px;
}
*{box-sizing:border-box}
.site-body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--c-bg);color:var(--c-text);font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-align:left;
}
.site-body img{max-width:100%;height:auto;display:block}
.site-body a{color:inherit;text-decoration:none}
.site-body button,.site-body input{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line)}
.topbar{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:38px;height:38px;border-radius:11px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1}
.brand-text{font-size:18px;font-weight:700;color:var(--c-text);white-space:nowrap;letter-spacing:-.01em}
.brand-text em{font-style:normal;color:var(--c-primary-600)}
.search-form{flex:1 1 auto;max-width:560px;margin:0 auto;display:flex;align-items:center;height:46px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:0 6px 0 16px;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.search-form:focus-within{border-color:var(--c-primary-600);box-shadow:0 0 0 3px var(--c-ring)}
.search-icon{flex:0 0 auto;color:var(--c-text-3);display:grid;place-items:center}
.search-input{flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;font-size:14px;padding:0 10px;color:var(--c-text)}
.search-input::placeholder{color:var(--c-text-3)}
.search-btn{flex:0 0 auto;height:36px;padding:0 20px;border:0;border-radius:var(--r-pill);background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .18s ease-out,transform .18s ease-out}
.search-btn:hover{background:var(--c-primary-600)}
.search-btn:active{transform:translateY(1px)}
.search-btn:focus-visible{outline:2px solid var(--c-ring);outline-offset:2px}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.link-login{font-size:14px;color:var(--c-text-2);padding:6px 8px;border-radius:8px;transition:color .18s ease-out}
.link-login:hover{color:var(--c-primary-600)}
.burger{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;background:#fff;place-items:center;gap:4px;cursor:pointer;padding:0}
.burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--c-text);margin:2px auto}
.burger:focus-visible{outline:2px solid var(--c-ring);outline-offset:2px}
.subnav{border-top:1px solid var(--c-line);background:rgba(255,255,255,.75)}
.subnav-inner{display:flex;align-items:center;gap:10px;height:44px;overflow-x:auto;scrollbar-width:none}
.subnav-inner::-webkit-scrollbar{display:none}
.pill{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);font-size:14px;color:var(--c-text-2);white-space:nowrap;transition:background .18s ease-out,color .18s ease-out}
.pill:hover{background:var(--c-primary-50);color:var(--c-primary-600)}
.pill:focus-visible{outline:2px solid var(--c-ring);outline-offset:2px}
.pill.is-active{background:var(--c-primary-50);color:var(--c-primary);font-weight:600}
.pill-ghost{color:var(--c-text-3)}
.subnav-note{margin-left:auto;padding-left:16px;font-size:13px;color:var(--c-text-3);white-space:nowrap}
.mobile-drawer{display:none}

/* ============ 按钮 / 徽章 / 标签 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--c-ring);outline-offset:2px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-600);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-primary)}
.btn-ghost:hover{border-color:var(--c-primary-100);background:var(--c-primary-50)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;background:var(--c-primary-50);color:var(--c-primary);font-size:12px;font-weight:600;white-space:nowrap}
.badge-line{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;border:1px solid var(--c-line);color:var(--c-text-3);font-size:12px;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-head{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:26px 0 30px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:20px}
.breadcrumb a{color:var(--c-text-2);transition:color .18s ease-out}
.breadcrumb a:hover{color:var(--c-primary-600)}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .current{color:var(--c-text-3);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:34px;line-height:1.4;font-weight:700;letter-spacing:-.01em;margin:0 0 22px;max-width:880px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--c-text-3);padding-top:18px;border-top:1px solid var(--c-line)}
.meta-row .dot{width:4px;height:4px;border-radius:2px;background:var(--c-line)}

/* ============ 正文布局 ============ */
.article-wrap{padding:52px 0 76px;background:var(--c-bg)}
.article-grid{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:48px}
.post-panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:40px 44px}
.post-body{font-size:17px;line-height:1.9;color:var(--c-text)}
.post-body p{margin:0 0 1.1em}
.post-body h2{font-size:24px;font-weight:700;line-height:1.5;letter-spacing:-.01em;margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--c-primary)}
.post-body h3{font-size:19px;font-weight:600;margin:28px 0 12px}
.post-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.post-body ul,.post-body ol{margin:0 0 1.1em 1.4em;padding:0}
.post-body li{margin:.4em 0}
.post-body blockquote{margin:24px 0;padding:16px 20px;background:var(--c-primary-50);border-left:4px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--c-text-2);font-size:16px}
.post-body blockquote p:last-child{margin-bottom:0}
.post-body img{border-radius:12px;margin:24px auto}
.post-body figure{margin:24px 0}
.post-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px}
.post-body table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:24px 0}
.post-body th,.post-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;white-space:nowrap}
.post-body thead th{background:var(--c-surface-2);font-weight:600}
.post-body tbody tr:nth-child(even){background:#FAFCFA}
.post-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;background:var(--c-surface-2);padding:2px 6px;border-radius:6px}
.post-body pre{background:var(--c-dark);color:#E8F1ED;padding:18px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7}
.post-body pre code{background:transparent;color:inherit;padding:0}
.post-body a{color:var(--c-primary-600);border-bottom:1px solid var(--c-primary-100)}
.post-body a:hover{border-bottom-color:var(--c-primary-600)}
.empty-state{text-align:center;padding:60px 24px;background:var(--c-surface-2);border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--c-text-2)}
.empty-state .empty-icon{width:52px;height:52px;margin:0 auto 16px;border-radius:14px;background:#fff;border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-primary)}
.empty-state strong{display:block;font-size:18px;color:var(--c-text);margin-bottom:8px}
.empty-state p{margin:0 0 20px;font-size:15px}

.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag-row .tag-label{font-size:13px;color:var(--c-text-3);margin-right:4px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:8px;background:var(--c-surface-2);color:var(--c-text-2);font-size:13px;transition:background .18s ease-out,color .18s ease-out}
.tag:hover{background:var(--c-primary-50);color:var(--c-primary-600)}

/* ============ 侧栏 ============ */
.side-col{min-width:0}
.side-sticky{position:sticky;top:140px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;margin-bottom:20px}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;margin:0 0 14px}
.side-title::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--c-accent)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{border-bottom:1px solid var(--c-line)}
.side-list li:last-child{border-bottom:0}
.side-list a{display:flex;gap:10px;align-items:flex-start;padding:11px 0;font-size:14px;color:var(--c-text-2);transition:color .18s ease-out}
.side-list a:hover{color:var(--c-primary-600)}
.side-list .num{flex:0 0 auto;font-size:12px;font-weight:700;color:var(--c-primary-600);padding-top:3px}
.thumb-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line)}
.thumb-item:last-child{border-bottom:0;padding-bottom:0}
.thumb-item:first-child{padding-top:0}
.thumb-item img{width:84px;height:56px;object-fit:cover;border-radius:10px;flex:0 0 auto;background:var(--c-primary-50)}
.thumb-item .thumb-text{font-size:14px;line-height:1.55;color:var(--c-text-2)}
.thumb-item:hover .thumb-text{color:var(--c-primary-600)}
.side-note{font-size:13px;color:var(--c-text-3);line-height:1.7;margin:12px 0 0}

/* ============ 相关推荐 ============ */
.related{background:var(--c-surface);border-top:1px solid var(--c-line);padding:72px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head h2{font-size:26px;font-weight:700;letter-spacing:-.01em;margin:0}
.section-head p{margin:8px 0 0;font-size:15px;color:var(--c-text-2)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600}
.text-link svg{transition:transform .18s ease-out}
.text-link:hover svg{transform:translateX(3px)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform .18s ease-out,box-shadow .18s ease-out}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card-cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-50)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-title{font-size:16px;font-weight:600;line-height:1.55;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-summary{font-size:14px;line-height:1.7;color:var(--c-text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);font-size:12px;color:var(--c-text-3)}

/* ============ 底部 CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--c-primary);color:#fff;padding:64px 0}
.cta-band::after{content:"";position:absolute;right:-120px;bottom:-180px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.07)}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{font-size:28px;font-weight:700;letter-spacing:-.01em;margin:0 0 12px}
.cta-band p{margin:0;max-width:620px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.86);padding:56px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14)}
.footer-brand b{font-size:16px;color:#fff}
.footer-grid p{color:rgba(255,255,255,.62);line-height:1.8;margin:0;font-size:13.5px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.66);font-size:13.5px;transition:color .18s ease-out}
.footer-links a:hover{color:var(--c-primary-100)}
.footer-info{display:flex;flex-direction:column;gap:10px;color:rgba(255,255,255,.62);font-size:13.5px;line-height:1.7}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:18px;font-size:12px;color:rgba(255,255,255,.45)}

/* ============ 浮动 CTA ============ */
.fab{position:fixed;right:24px;bottom:24px;z-index:90;display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-pill);background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;box-shadow:var(--sh-2);opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .28s ease-out,transform .28s ease-out,background .18s ease-out}
.fab.is-visible{opacity:1;transform:none;pointer-events:auto}
.fab:hover{background:var(--c-primary-600)}
.fab:focus-visible{outline:2px solid var(--c-ring);outline-offset:2px}
.mobile-bar{display:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
}
@media (max-width:1023px){
  .topbar{height:auto;flex-wrap:wrap;gap:12px;padding:12px 0}
  .brand{order:1}
  .topbar-actions{order:2;margin-left:auto}
  .link-login{display:none}
  .burger{display:grid}
  .search-form{order:3;flex:1 0 100%;max-width:none;height:44px;margin:0 0 4px}
  .search-btn{height:34px;padding:0 18px}
  .subnav-inner{height:46px}
  .subnav-note{display:none}
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .side-sticky{position:static}
  .side-col{order:2}
  .post-panel{padding:32px 26px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .mobile-drawer{display:block;position:fixed;inset:0;z-index:100;background:#fff;padding:20px;overflow-y:auto;opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity .2s ease-out,transform .2s ease-out}
  .mobile-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
  .drawer-head b{font-size:16px}
  .drawer-close{width:38px;height:38px;border:1px solid var(--c-line);border-radius:10px;background:#fff;cursor:pointer;display:grid;place-items:center;color:var(--c-text-2)}
  .drawer-title{font-size:13px;color:var(--c-text-3);margin:20px 0 10px}
  .drawer-links{display:flex;flex-direction:column;gap:4px}
  .drawer-links a{padding:12px 4px;font-size:15px;color:var(--c-text);border-bottom:1px solid var(--c-line)}
  .drawer-links a:hover{color:var(--c-primary-600)}
  .drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:24px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-head{padding:20px 0 24px}
  .article-title{font-size:26px;line-height:1.5;margin-bottom:18px}
  .breadcrumb .current{max-width:180px}
  .article-wrap{padding:36px 0 56px}
  .post-panel{padding:26px 20px;border-radius:16px}
  .post-body{font-size:16px}
  .post-body h2{font-size:21px;margin-top:32px}
  .post-body h3{font-size:18px}
  .related{padding:52px 0}
  .section-head h2{font-size:22px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:48px 0}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .footer-bottom{flex-direction:column}
  .fab{display:none}
  .mobile-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;align-items:center;justify-content:space-between;gap:12px;background:#fff;border-radius:16px 16px 0 0;box-shadow:0 -8px 24px -12px rgba(16,35,30,.24);padding:10px 16px calc(10px + env(safe-area-inset-bottom))}
  .mobile-bar span{font-size:13px;color:var(--c-text-2);line-height:1.4}
  .mobile-bar .btn{height:40px;padding:0 16px;font-size:14px;flex:0 0 auto}
  .site-footer{padding-bottom:88px}
}
@media (max-width:520px){
  .search-input{font-size:13px}
  .thumbnail-item img{width:72px;height:48px}
  .section-head{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E5C4A;
  --c-primary-600:#12775F;
  --c-primary-100:#CDE7DE;
  --c-primary-50:#EAF4F0;
  --c-accent:#FF7A2F;
  --c-accent-600:#E8641C;
  --c-bg:#F6F8F5;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF2EE;
  --c-dark:#0C1E19;
  --c-text:#10231E;
  --c-text-2:#4C5C56;
  --c-text-3:#82928C;
  --c-line:#DCE5E0;
  --c-ring:rgba(18,119,95,.45);
  --sh-1:0 1px 2px rgba(16,35,30,.05), 0 8px 24px -12px rgba(16,35,30,.14);
  --sh-2:0 2px 4px rgba(16,35,30,.06), 0 18px 40px -18px rgba(16,35,30,.22);
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --r-badge:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.35;font-weight:700;color:var(--c-text)}
h3,h4{font-weight:600}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.4em}
:focus-visible{outline:2px solid var(--c-ring);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:96px 0}
.section-alt{background:var(--c-surface)}
.section-tint{background:var(--c-bg)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-50);border-radius:var(--r-badge);
  padding:5px 10px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;background:var(--c-accent);border-radius:2px}
.h2{font-size:32px}
.lead{font-size:17px;color:var(--c-text-2);margin-top:14px}
.muted{color:var(--c-text-3);font-size:14px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.header-top{display:flex;align-items:center;gap:20px;min-height:68px;flex-wrap:wrap;padding:11px 0}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:700;flex-shrink:0;
}
.logo-text{font-size:18px;font-weight:700;color:var(--c-primary);white-space:nowrap}
.search-box{position:relative;flex:1 1 320px;max-width:560px;min-width:220px}
.search-box svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--c-text-3);pointer-events:none}
.search-input{
  width:100%;height:46px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  padding:0 104px 0 44px;color:var(--c-text);font-size:15px;
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.search-input::placeholder{color:var(--c-text-3)}
.search-input:focus{outline:none;border-color:var(--c-primary-600);box-shadow:0 0 0 4px var(--c-ring)}
.search-btn{
  position:absolute;right:5px;top:5px;height:36px;padding:0 18px;
  border-radius:var(--r-pill);background:var(--c-primary);color:#fff;
  font-size:14px;font-weight:600;transition:background 180ms ease-out,transform 180ms ease-out;
}
.search-btn:hover{background:var(--c-primary-600)}
.search-btn:active{transform:translateY(1px)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex-shrink:0}
.link-login{font-size:15px;font-weight:600;color:var(--c-primary)}
.link-login:hover{color:var(--c-primary-600)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);
  background:var(--c-surface);align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--c-primary-50);border-color:var(--c-primary-100)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background 180ms ease-out,color 180ms ease-out,box-shadow 180ms ease-out,transform 180ms ease-out,border-color 180ms ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn-accent:hover{background:var(--c-accent-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--c-primary);border:1px solid var(--c-primary-100)}
.btn-ghost:hover{background:var(--c-primary-50);border-color:var(--c-primary-600)}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border:1px solid var(--c-line)}
.btn-outline:hover{border-color:var(--c-primary-600);background:var(--c-primary-50)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-weight:600;font-size:15px;
}
.btn-text svg{transition:transform 180ms ease-out}
.btn-text:hover svg{transform:translateX(3px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.on-dark .btn-outline,
.btn-on-dark{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.18)}
.btn-on-dark:hover{background:rgba(255,255,255,.16)}

/* ============ subnav ============ */
.subnav{background:rgba(255,255,255,.96);border-bottom:1px solid var(--c-line)}
.subnav-inner{display:flex;align-items:center;gap:8px;height:44px;overflow-x:auto;scrollbar-width:none}
.subnav-inner::-webkit-scrollbar{display:none}
.pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);font-size:14px;color:var(--c-text-2);
  white-space:nowrap;transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out;
}
.pill:hover{background:var(--c-primary-50);color:var(--c-primary)}
.pill.is-active{background:var(--c-primary-50);color:var(--c-primary);font-weight:600}
.pill-ghost{border:1px solid var(--c-line)}
.subnav-note{margin-left:auto;font-size:13px;color:var(--c-text-3);white-space:nowrap;padding-left:12px}

/* ============ mobile panel ============ */
.mobile-panel{
  display:none;border-top:1px solid var(--c-line);background:var(--c-surface);
  padding:16px 0 22px;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:block;padding:12px 4px;font-size:15px;font-weight:600;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.is-active{color:var(--c-primary)}

/* ============ hero ============ */
.cat-hero{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:64px 0 56px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:20px}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{color:var(--c-line)}
.cat-hero h1{font-size:48px;letter-spacing:-.02em}
.cat-hero .hero-sub{font-size:18px;color:var(--c-text-2);margin:16px 0 0;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;padding-top:26px;border-top:1px solid var(--c-line)}
.chip{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;
  border-radius:var(--r-pill);background:var(--c-primary-50);
  color:var(--c-primary);font-size:13px;font-weight:600;
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block}
.chip-plain{background:var(--c-surface-2);color:var(--c-text-2);font-weight:500}

/* ============ filter pills ============ */
.filter-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.filter-btn{
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14px;color:var(--c-text-2);
  transition:all 180ms ease-out;
}
.filter-btn:hover{border-color:var(--c-primary-600);color:var(--c-primary);background:var(--c-primary-50)}
.filter-btn.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
.filter-count{margin-left:auto;font-size:13px;color:var(--c-text-3)}

/* ============ cards ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary-100)}
.card-media{position:relative;aspect-ratio:16/9;background:var(--c-primary-50);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{
  content:"";position:absolute;inset:0;background:rgba(12,30,25,0);
  transition:background 240ms ease-out;
}
.card:hover .card-media::after{background:rgba(12,30,25,.06)}
.card-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  height:24px;display:inline-flex;align-items:center;padding:0 10px;
  border-radius:var(--r-badge);background:rgba(255,255,255,.94);
  color:var(--c-primary);font-size:12px;font-weight:600;
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:19px;margin-bottom:10px}
.card-body p{font-size:15px;color:var(--c-text-2);line-height:1.75;margin:0}
.card-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--c-text-3);
}
.card-foot .go{color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.card-foot .go svg{transition:transform 180ms ease-out}
.card:hover .card-foot .go svg{transform:translateX(3px)}
.is-hidden{display:none !important}

/* ============ data band ============ */
.data-band{
  position:relative;color:#fff;overflow:hidden;
  background-color:var(--c-dark);
  background-image:linear-gradient(rgba(12,30,25,.88),rgba(12,30,25,.94)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.data-band .section{padding:72px 0}
.data-band h2{color:#fff;font-size:32px}
.data-band .lead{color:rgba(255,255,255,.72)}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:40px;border-top:1px solid rgba(255,255,255,.12)}
.stat{padding:26px 24px;border-right:1px solid rgba(255,255,255,.12)}
.stat:last-child{border-right:0}
.stat .num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:40px;font-weight:700;color:var(--c-primary-100);line-height:1.1}
.stat .lbl{margin-top:10px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}
.stat .tag{display:inline-block;margin-top:12px;font-size:12px;padding:2px 8px;border-radius:var(--r-badge);background:rgba(255,255,255,.1);color:rgba(255,255,255,.85)}

/* ============ latest list ============ */
.dyn-list{border-top:1px solid var(--c-line)}
.dyn-item{
  display:flex;align-items:center;gap:20px;padding:18px 8px;
  border-bottom:1px solid var(--c-line);
  transition:background 180ms ease-out;
}
.dyn-item:hover{background:var(--c-primary-50)}
.dyn-thumb{width:132px;flex:0 0 132px;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--c-primary-50)}
.dyn-thumb img{width:100%;height:100%;object-fit:cover}
.dyn-main{flex:1;min-width:0}
.dyn-main h3{font-size:17px;margin-bottom:4px}
.dyn-main p{font-size:14px;color:var(--c-text-2);margin:0;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.dyn-meta{font-size:13px;color:var(--c-text-3);white-space:nowrap}
.dyn-arrow{color:var(--c-primary);flex-shrink:0}

/* ============ faq ============ */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
.faq-aside{position:sticky;top:132px}
.faq-aside h2{font-size:32px;margin-bottom:14px}
.faq-list{display:flex;flex-direction:column;gap:16px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);
  transition:background 180ms ease-out;
}
.faq-q:hover{background:var(--c-primary-50)}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;background:var(--c-primary-50);
  color:var(--c-primary);display:grid;place-items:center;
  transition:transform 200ms ease-out,background 200ms ease-out;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--c-accent);color:#fff}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 220ms ease-out}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{margin:0;padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ============ cta band ============ */
.cta-band{
  background:var(--c-primary);color:#fff;border-radius:var(--r-card);
  padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-1);
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-band p{margin:0;color:rgba(255,255,255,.78);font-size:15px;max-width:640px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-band .btn-outline{background:#fff;color:var(--c-primary);border-color:#fff}
.cta-band .btn-outline:hover{background:var(--c-primary-50)}
.cta-link{color:#fff;font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;opacity:.9}
.cta-link:hover{opacity:1;text-decoration:underline;text-underline-offset:4px}

/* ============ float cta ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 22px;
  border-radius:var(--r-pill);background:var(--c-primary);color:#fff;font-weight:600;font-size:15px;
  box-shadow:var(--sh-2);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity 220ms ease-out,transform 220ms ease-out,background 180ms ease-out;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--c-primary-600)}
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:var(--c-surface);border-top:1px solid var(--c-line);
  box-shadow:0 -10px 30px -18px rgba(16,35,30,.28);
  border-radius:16px 16px 0 0;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  align-items:center;justify-content:space-between;gap:14px;
  transform:translateY(0);transition:transform 220ms ease-out;
}
.mobile-bar.is-hidden{transform:translateY(110%)}
.mobile-bar .txt{font-size:13px;color:var(--c-text-2);line-height:1.5}
.mobile-bar .txt b{display:block;color:var(--c-text);font-size:14px}

/* ============ footer ============ */
.site-footer{background:var(--c-dark);color:#fff;padding:72px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{font-size:17px;color:#fff}
.footer-brand .logo-mark{background:var(--c-accent);color:#fff}
.site-footer p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.8;margin:0;max-width:360px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color 180ms ease-out}
.footer-links a:hover{color:var(--c-primary-100)}
.footer-info{display:flex;flex-direction:column;gap:11px;font-size:14px;color:rgba(255,255,255,.66)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.48);
}

/* ============ responsive ============ */
@media (max-width:1024px){
  .section{padding:72px 0}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.12)}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .header-top{padding-bottom:14px}
  .search-box{order:3;flex:1 1 100%;max-width:none}
  .brand{flex:1}
  .nav-toggle{display:inline-flex;margin-left:0}
  .header-actions{margin-left:0}
  .link-login{display:none}
  .subnav-inner{height:42px}
  .subnav-note{display:none}
  .cat-hero{padding:48px 0 44px}
  .cat-hero h1{font-size:32px}
  .h2,.faq-aside h2,.data-band h2{font-size:24px}
  .cta-band{padding:34px 30px}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.8}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .data-band .section{padding:52px 0}
  .card-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .stat{border-right:0 !important;border-bottom:1px solid rgba(255,255,255,.12)}
  .stat:last-child{border-bottom:0}
  .cat-hero h1{font-size:28px}
  .cat-hero .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .dyn-item{align-items:flex-start;gap:14px}
  .dyn-thumb{width:104px;flex:0 0 104px}
  .dyn-meta{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  .cta-band{border-radius:16px;padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .filter-count{display:none}
}