/* roulang page: index */
:root{
  --brand:#0E5B4E;
  --brand-mid:#17A97F;
  --brand-deep:#08211D;
  --mint:#2FD1A8;
  --accent:#FF7A45;
  --accent-2:#FFB25C;
  --danger:#D64545;
  --bg:#F7F8F4;
  --surface:#FFFFFF;
  --panel:#EFF4EF;
  --panel-2:#F3F7F3;
  --text:#16211F;
  --text-2:#5A6B67;
  --text-3:#8A9691;
  --line:#E3E8E2;
  --divider:rgba(14,91,78,.10);
  --grad-brand:linear-gradient(135deg,#0E5B4E 0%,#17A97F 55%,#2FD1A8 100%);
  --grad-accent:linear-gradient(120deg,#FF7A45 0%,#FFB25C 100%);
  --r-pill:999px;
  --r-sm:14px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-2xl:28px;
  --sh-sm:0 2px 8px rgba(14,91,78,.06);
  --sh-md:0 10px 30px rgba(14,91,78,.10);
  --sh-lg:0 24px 60px rgba(8,33,29,.16);
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;line-height:1.85;color:var(--text);background:var(--bg);
  overflow-x:hidden;letter-spacing:.01em;
}
img{display:block;max-width:100%;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.narrow{max-width:820px;margin:0 auto}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:90;padding:0 18px;pointer-events:none}
.dock{
  pointer-events:auto;display:flex;align-items:center;gap:26px;
  width:100%;max-width:1120px;height:64px;margin:0 auto;padding:0 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(14,91,78,.08);
  box-shadow:var(--sh-sm);
  transition:height .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.dock-wrap.scrolled .dock{height:56px;background:rgba(255,255,255,.94);box-shadow:var(--sh-md)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;flex:0 0 auto;
  box-shadow:0 6px 14px rgba(14,91,78,.24);
}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:17px;font-weight:700;color:var(--brand-deep);white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;font-size:15px;color:var(--text-2);white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:3px;border-radius:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:700}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--panel);color:var(--brand);border:1px solid transparent;flex:0 0 auto;
  transition:border-color .2s ease-out,background .2s ease-out,color .2s ease-out;
}
.icon-btn:hover{border-color:var(--brand);background:#fff}
.icon-btn svg{width:18px;height:18px}
.dock-search{display:flex;align-items:center;width:0;overflow:hidden;transition:width .24s ease-out}
.dock-search.open{width:260px}
.dock-search input{
  width:100%;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;padding:0 18px;font-size:14.5px;color:var(--text);outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.dock-search input::placeholder{color:var(--text-3)}
.dock-search input:focus{border-color:var(--brand);box-shadow:var(--sh-sm)}
.menu-toggle{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out,filter .18s ease-out;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px rgba(255,122,69,.28)}
.btn-primary:hover{filter:brightness(1.04);box-shadow:0 14px 30px rgba(255,122,69,.34);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,122,69,.24)}
.btn-outline{background:transparent;border:1.5px solid var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--panel)}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.72);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{box-shadow:0 0 0 2px rgba(255,255,255,.85),0 12px 28px rgba(8,33,29,.28);transform:translateY(-1px)}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600;min-height:44px}
.link-more svg{width:16px;height:16px;transition:transform .2s ease-out}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- 通用区块 ---------- */
.sec{padding:96px 0}
.sec-white{background:var(--surface)}
.sec-mist{background:var(--bg)}
.sec-panel{background:var(--panel)}
.sec-dark{background:var(--brand-deep);color:#fff;position:relative;overflow:hidden}
.sec-dark::before{
  content:"";position:absolute;inset:0;opacity:.22;
  background-image:linear-gradient(rgba(255,255,255,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.sec-dark::after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand)}
.sec-dark .container{position:relative;z-index:1}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--panel);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;
}
.eyebrow.on-dark{background:rgba(255,255,255,.10);color:var(--mint);border:1px solid rgba(255,255,255,.16)}
.sec-title{font-size:clamp(24px,3vw,36px)}
.sec-title .bar{display:block;width:56px;height:6px;border-radius:4px;background:var(--grad-brand);margin-bottom:20px}
.sec-head.center .sec-title .bar{margin-left:auto;margin-right:auto}
.sec-sub{margin-top:16px;color:var(--text-2);font-size:16.5px;line-height:1.8}
.sec-dark .sec-sub{color:rgba(255,255,255,.72)}

/* ---------- Hero ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;color:#fff}
.hero-bg{position:absolute;inset:0;z-index:-2;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(8,33,29,.93) 0%,rgba(14,91,78,.88) 52%,rgba(23,169,127,.70) 100%)}
.hero-slash{position:absolute;top:-14%;right:-8%;width:48%;height:128%;z-index:-1;background:var(--grad-brand);opacity:.34;transform:skewX(-14deg)}
.hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding-top:72px;padding-bottom:88px}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2;margin-bottom:20px}
.hero-brand{display:inline-flex;align-items:center;gap:10px;height:32px;padding:0 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:13.5px;font-weight:600;letter-spacing:.06em;margin-bottom:22px}
.hero-sub{font-size:clamp(16px,1.5vw,18.5px);color:rgba(255,255,255,.82);line-height:1.8;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.badge-stat{
  display:flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
}
.badge-stat b{font-size:20px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.badge-stat span{font-size:12.5px;color:rgba(255,255,255,.78)}
.hero-visual{position:relative}
.hero-card{
  background:#fff;border-radius:var(--r-2xl);padding:14px;box-shadow:var(--sh-lg);
}
.hero-card img{width:100%;aspect-ratio:16/11;border-radius:var(--r-md)}
.hero-card-meta{padding:16px 8px 8px}
.hero-card-meta strong{display:block;color:var(--brand-deep);font-size:16px;font-weight:700}
.hero-card-meta span{display:block;margin-top:4px;color:var(--text-2);font-size:13.5px}
.float-badge{
  position:absolute;left:-14px;bottom:28px;background:#fff;border-radius:var(--r-lg);
  padding:14px 20px;box-shadow:var(--sh-lg);border:1px solid var(--divider);
}
.float-badge b{display:block;font-size:30px;font-weight:800;line-height:1.1;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.float-badge span{display:block;font-size:12.5px;color:var(--text-2);margin-top:2px}

/* ---------- 痛点 ---------- */
.pain-layout{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.pain-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pain-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px 28px 28px;box-shadow:var(--sh-sm);overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.pain-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand)}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.pain-ico{width:32px;height:32px;border-radius:10px;background:var(--panel);color:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.pain-ico svg{width:17px;height:17px}
.pain-card h3{font-size:17px;margin-bottom:8px}
.pain-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 解决方案 ---------- */
.sol-row{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.sol-row + .sol-row{margin-top:24px}
.sol-row.reverse{grid-template-columns:5fr 7fr}
.sol-hero{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column}
.sol-hero .img-wrap{overflow:hidden;border-radius:var(--r-xl) var(--r-xl) 0 0}
.sol-hero .img-wrap img{width:100%;aspect-ratio:16/9;transition:transform .3s ease-out}
.sol-hero:hover .img-wrap img{transform:scale(1.02)}
.sol-hero-body{padding:28px}
.sol-hero-body h3{font-size:21px;margin-bottom:12px}
.sol-hero-body p{color:var(--text-2);font-size:15.5px}
.sol-tagline{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.idx{
  width:36px;height:36px;border-radius:50%;border:1.5px solid var(--mint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:13.5px;font-weight:800;flex:0 0 auto;
  font-variant-numeric:tabular-nums;background:#fff;
}
.idx.on-dark{background:transparent;color:var(--mint);border-color:rgba(47,209,168,.55)}
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sol-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(14,91,78,.18)}
.sol-card h4{font-size:17px;color:var(--brand);margin-bottom:8px}
.sol-card p{font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.sol-text{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:34px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;justify-content:center}
.sol-text h3{font-size:21px;margin-bottom:14px}
.sol-text p{color:var(--text-2);font-size:15.5px}
.sol-list{margin-top:20px;display:grid;gap:12px}
.sol-list li{position:relative;padding-left:22px;font-size:15px;color:var(--text-2)}
.sol-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--mint)}

/* ---------- 数据区 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.stat-card{
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);padding:24px;
  background:rgba(255,255,255,.04);
}
.stat-card b{display:block;font-size:clamp(36px,4vw,56px);font-weight:800;line-height:1.05;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#2FD1A8 0%,#8FF0D4 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-card b em{font-style:normal;font-size:.5em;margin-left:4px;color:var(--mint);-webkit-text-fill-color:var(--mint)}
.stat-card span{display:block;margin-top:10px;font-size:14px;color:rgba(255,255,255,.72)}

/* ---------- 证言 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.voice-card{
  position:relative;background:var(--panel);border-radius:var(--r-xl);padding:36px 32px 32px;
  box-shadow:var(--sh-sm);transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.voice-card:nth-child(2){margin-top:32px}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.voice-quote{font-size:40px;line-height:1;font-weight:800;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}
.voice-card p{font-size:16px;color:var(--text);line-height:1.85}
.voice-user{display:flex;align-items:center;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--divider)}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 auto}
.voice-user strong{display:block;font-size:15px}
.voice-user span{display:block;font-size:13px;color:var(--text-3)}

/* ---------- 最新信息（CMS） ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.news-link{display:block;height:100%}
.news-thumb{position:relative;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/10;transition:transform .3s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-cat{
  position:absolute;left:12px;top:12px;background:#fff;color:var(--brand);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);box-shadow:var(--sh-sm);
}
.news-body{padding:22px}
.news-body h3{font-size:17px;line-height:1.4;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease-out}
.news-card:hover .news-body h3{color:var(--brand)}
.news-body p{font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--text-3)}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}
.news-meta .read{color:var(--brand);font-weight:600}
.empty-card{
  grid-column:1/-1;background:var(--panel);border-radius:var(--r-xl);padding:56px 24px;text-align:center;
}
.empty-ico{width:64px;height:64px;border-radius:20px;background:#fff;color:var(--brand);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;box-shadow:var(--sh-sm)}
.empty-ico svg{width:26px;height:26px}
.empty-card p{color:var(--text-2);font-size:15px;margin-bottom:18px}
.news-more{display:flex;justify-content:center;margin-top:40px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--text);min-height:44px;
}
.faq-q:hover{color:var(--brand)}
.faq-sign{
  width:24px;height:24px;border-radius:50%;background:var(--panel);color:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;font-size:16px;line-height:1;
  transition:transform .2s ease-out,background .2s ease-out;
}
.faq-item.open .faq-sign{transform:rotate(45deg);background:var(--mint);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- CTA 带 ---------- */
.cta-card{
  position:relative;overflow:hidden;background:var(--grad-brand);border-radius:var(--r-2xl);
  padding:64px 56px;text-align:center;color:#fff;box-shadow:var(--sh-lg);
}
.cta-card::before,.cta-card::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);pointer-events:none;
}
.cta-card::before{top:-160px;right:-60px}
.cta-card::after{bottom:-190px;left:-80px}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);position:relative;z-index:1}
.cta-card p{margin:18px auto 0;max-width:620px;color:rgba(255,255,255,.86);font-size:16px;position:relative;z-index:1}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:32px;position:relative;z-index:1}
.cta-link{color:rgba(255,255,255,.78);font-size:15px;font-weight:600;display:inline-flex;align-items:center;min-height:48px;padding:0 8px}
.cta-link:hover{color:#fff}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-deep);color:rgba(255,255,255,.72);position:relative;padding-top:4px}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px}
.footer .logo-text{color:#fff}
.footer-about{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:320px}
.socials{display:flex;gap:12px;margin-top:22px}
.social{
  width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.82);
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.social:hover{background:rgba(47,209,168,.20);color:#fff;transform:translateY(-2px)}
.social svg{width:16px;height:16px}
.footer h4{font-size:15px;color:var(--mint);margin-bottom:18px}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;min-height:24px}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68)}
.footer-form{display:grid;gap:12px;margin-top:16px}
.footer-form input{
  height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:14.5px;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45)}
.footer-form input:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(47,209,168,.16)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);padding:24px 0 32px;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a:hover{color:#fff}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:#fff;box-shadow:var(--sh-md);color:var(--brand);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);z-index:80;
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out;
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top svg{width:18px;height:18px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,33,29,.45);z-index:120;
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(82vw,320px);background:#fff;z-index:130;
  border-radius:24px 0 0 24px;padding:24px 20px;transform:translateX(100%);
  transition:transform .26s ease-out;overflow-y:auto;
}
.drawer.show{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-links{display:grid;gap:6px}
.drawer-links a{
  display:flex;align-items:center;height:48px;padding:0 16px;border-radius:var(--r-sm);
  font-size:15.5px;color:var(--text-2);font-weight:600;
}
.drawer-links a:hover{background:var(--panel);color:var(--brand)}
.drawer-links a.active{background:var(--panel);color:var(--brand)}
.drawer-search{margin-top:18px;display:grid;gap:12px}
.drawer-search input{height:48px;border-radius:var(--r-sm);border:1px solid var(--line);padding:0 16px;font-size:15px;background:var(--bg);outline:none}
.drawer-search input:focus{border-color:var(--brand);box-shadow:var(--sh-sm)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .pain-cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .dock-nav{display:none}
  .menu-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding-top:56px;padding-bottom:72px}
  .hero-sub{max-width:none}
  .pain-layout{grid-template-columns:1fr;gap:32px}
  .sol-row,.sol-row.reverse{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr}
  .voice-card:nth-child(2){margin-top:0}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;padding:56px 0 40px}
}
@media (max-width:768px){
  body{font-size:16px}
  .sec{padding:64px 0}
  .container{padding-left:18px;padding-right:18px}
  .dock-wrap{padding:0 14px;top:12px}
  .dock{gap:14px;padding:0 14px;height:60px}
  .dock-wrap.scrolled .dock{height:54px}
  .dock-actions .btn-primary{display:none}
  .dock-search.open{width:160px}
  .pain-cards{grid-template-columns:1fr}
  .sol-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .news-head{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-card{padding:44px 24px}
  .cta-actions .btn{width:100%}
  .hero-badges{gap:10px}
  .badge-stat{padding:8px 14px}
  .float-badge{left:auto;right:12px;bottom:12px;padding:10px 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:480px){
  .hero-actions .btn{width:100%}
  .dock-actions{gap:8px}
  .cta-card h2{font-size:22px}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --brand:#0E5B4E;
  --brand-deep:#08211D;
  --mint:#2FD1A8;
  --accent:#FF7A45;
  --accent-soft:#FFB25C;
  --bg:#F7F8F4;
  --surface:#FFFFFF;
  --panel:#EFF4EF;
  --text:#16211F;
  --text-2:#5A6B67;
  --text-3:#8A9691;
  --line:#E3E8E2;
  --divider:rgba(14,91,78,.10);
  --grad-brand:linear-gradient(135deg,#0E5B4E 0%,#17A97F 55%,#2FD1A8 100%);
  --grad-accent:linear-gradient(120deg,#FF7A45 0%,#FFB25C 100%);
  --r-sm:16px;
  --r-md:20px;
  --r-lg:24px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(14,91,78,.06);
  --sh-md:0 10px 30px rgba(14,91,78,.10);
  --sh-lg:0 24px 60px rgba(8,33,29,.16);
  --font:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:#0b4a3f;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out,filter .2s ease-out;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-accent);color:#fff;
  box-shadow:0 10px 24px rgba(255,122,69,.28);
}
.btn-primary:hover{color:#fff;filter:brightness(1.04);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,69,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:transparent;color:var(--brand);border:1.5px solid var(--brand);
}
.btn-outline:hover{background:var(--panel);color:var(--brand);}
.btn-light{
  background:#fff;color:var(--brand);border:1.5px solid rgba(255,255,255,.9);
}
.btn-light:hover{color:var(--brand);box-shadow:0 10px 26px rgba(8,33,29,.22);transform:translateY(-2px);}
.btn-ghost{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-text{color:var(--brand);font-weight:600;padding:0;height:auto;}
.btn-text:hover{text-decoration:underline;}

/* ---------- 徽章 / 标签 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.4;
}
.chip-soft{background:var(--panel);color:var(--brand);}
.chip-white{background:rgba(255,255,255,.9);color:var(--brand);}
.chip-line{border:1px solid var(--divider);color:var(--text-2);background:#fff;}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;background:var(--mint);}

/* ---------- 顶部浮动 Dock ---------- */
.dock-wrap{
  position:sticky;top:16px;z-index:90;
  padding:0 24px;
  transition:top .2s ease-out;
}
.dock{
  max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:20px;
  padding:0 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(14,91,78,.08);
  box-shadow:var(--sh-sm);
  transition:height .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.dock.is-scrolled{height:56px;background:rgba(255,255,255,.94);box-shadow:var(--sh-md);}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;flex-shrink:0;
}
.logo-mark svg{width:18px;height:18px;}
.logo-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:-.01em;}
.logo:hover .logo-text{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;transition:color .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:3px;width:0;
  border-radius:var(--r-pill);background:var(--grad-brand);
  transition:width .2s ease-out;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{width:100%;}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  background:var(--panel);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;
  transition:border-color .2s ease-out,background .2s ease-out,transform .2s ease-out;
}
.icon-btn:hover{border-color:var(--brand);background:#fff;transform:translateY(-1px);}
.icon-btn svg{width:19px;height:19px;}
.search-form{
  width:0;opacity:0;overflow:hidden;
  transition:width .24s ease-out,opacity .24s ease-out;
}
.search-form.open{width:260px;opacity:1;}
.search-form input{
  width:260px;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  padding:0 18px;color:var(--text);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-form input::placeholder{color:var(--text-3);}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:var(--sh-sm);}
.dock-cta{height:42px;padding:0 22px;font-size:14px;}
.burger{display:none;}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,33,29,.45);
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;
  z-index:120;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:12px;right:12px;bottom:12px;width:min(320px,86vw);
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-lg);
  padding:22px 18px;z-index:130;
  transform:translateX(112%);transition:transform .26s ease-out;
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;
  border-radius:14px;font-size:15px;color:var(--text-2);font-weight:500;
}
.drawer-link:hover,.drawer-link.active{background:var(--panel);color:var(--brand);}
.drawer-search{margin-top:10px;display:flex;gap:8px;}
.drawer-search input{
  flex:1;height:46px;border-radius:14px;border:1px solid var(--line);padding:0 16px;
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:var(--sh-sm);}

/* ---------- 页头 ---------- */
.page-head{padding:26px 0 0;}
.page-head-band{
  background:linear-gradient(180deg,rgba(47,209,168,.20) 0%,rgba(14,91,78,.06) 45%,rgba(247,248,244,0) 100%);
  padding:26px 0 8px;
}
.hero-card{
  display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--sh-md);
  padding:40px;overflow:hidden;
}
.hero-copy h1{font-size:clamp(30px,4.4vw,44px);color:var(--brand);margin:14px 0 14px;}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg);}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease-out;}
.hero-media:hover img{transform:scale(1.03);}

.breadcrumb{
  padding:18px 0 0;font-size:13px;color:var(--text-3);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text-3);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-panel{background:var(--panel);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,34px);margin:12px 0 12px;}
.section-head p{color:var(--text-2);font-size:16px;}
.subtitle-bar{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.06em;}
.subtitle-bar::before{content:"";width:4px;height:18px;border-radius:var(--r-pill);background:var(--grad-brand);}

/* ---------- 说明区块：左文右图 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.prose p{color:var(--text-2);margin-bottom:18px;}
.prose p:last-child{margin-bottom:0;}
.prose strong{color:var(--text);font-weight:700;}
.media-frame{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);border:1px solid var(--line);}
.media-frame img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.media-note{
  margin-top:14px;font-size:13px;color:var(--text-3);text-align:center;
}

/* ---------- 要点列表卡 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.point-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:28px;overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.point-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad-brand);
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.point-card h3{font-size:19px;margin-bottom:10px;}
.point-card p{font-size:14.5px;color:var(--text-2);}
.point-icon{
  width:32px;height:32px;border-radius:10px;background:var(--panel);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.point-icon svg{width:17px;height:17px;}

/* ---------- 交替图文行 ---------- */
.alt-rows{display:flex;flex-direction:column;gap:56px;}
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.alt-row.reverse .alt-copy{order:2;}
.alt-row.reverse .alt-media{order:1;}
.alt-copy h3{font-size:22px;margin:16px 0 14px;}
.alt-copy p{color:var(--text-2);margin-bottom:14px;}
.alt-copy p:last-child{margin-bottom:0;}
.num-badge{
  width:36px;height:36px;border-radius:50%;
  border:1.5px solid var(--mint);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;background:#fff;
  font-variant-numeric:tabular-nums;
}
.alt-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease-out;}
.alt-media:hover img{transform:scale(1.02);}
.check-list{margin-top:6px;}
.check-list li{
  position:relative;padding-left:20px;margin-bottom:10px;
  font-size:15px;color:var(--text-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:50%;background:var(--mint);
}

/* ---------- 数据徽章横条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-chip{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.stat-chip:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.stat-chip .value{
  font-size:clamp(32px,4vw,44px);font-weight:800;line-height:1.1;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-chip .value small{font-size:16px;font-weight:700;margin-left:2px;}
.stat-chip .label{margin-top:8px;font-size:14px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  overflow:hidden;transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item:hover{box-shadow:var(--sh-sm);}
.faq-item.open{border-color:rgba(14,91,78,.28);box-shadow:var(--sh-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--text);
}
.faq-q .toggle{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  background:var(--panel);color:var(--mint);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .2s ease-out;
}
.faq-item.open .faq-q .toggle{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease-out;
}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.8;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-brand);
  border-radius:var(--r-xl);
  padding:64px 48px;text-align:center;color:#fff;
  box-shadow:var(--sh-lg);
}
.cta-band::before,.cta-band::after{
  content:"";position:absolute;border:1px solid rgba(255,255,255,.12);border-radius:50%;
}
.cta-band::before{width:220px;height:220px;top:-90px;right:-40px;}
.cta-band::after{width:180px;height:180px;bottom:-80px;left:-30px;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:14px;position:relative;z-index:1;}
.cta-band p{
  position:relative;z-index:1;color:rgba(255,255,255,.86);
  max-width:620px;margin:0 auto 30px;font-size:16px;
}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:16px;justify-content:center;}
.cta-band .btn-text{color:rgba(255,255,255,.82);}
.cta-band .btn-text:hover{color:#fff;text-decoration:underline;}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:88px;background:var(--brand-deep);color:rgba(255,255,255,.72);
  border-top:4px solid transparent;
  background-image:linear-gradient(var(--brand-deep),var(--brand-deep)),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer .logo-text{color:#fff;}
.footer-about{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.social{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.8);
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.social:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.social svg{width:17px;height:17px;}
.footer h4{font-size:15px;font-weight:700;color:var(--mint);margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color .2s ease-out,transform .2s ease-out;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:16px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{
  flex:1;min-width:150px;height:48px;border-radius:14px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  padding:0 16px;color:#fff;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(47,209,168,.18);}
.footer-form .btn{height:48px;padding:0 22px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:#fff;box-shadow:var(--sh-md);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease-out,visibility .24s ease-out,transform .24s ease-out;
  z-index:80;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top svg{width:20px;height:20px;}

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

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-card{grid-template-columns:1fr;padding:32px;}
  .hero-media{order:2;}
  .split{grid-template-columns:1fr;gap:32px;}
  .alt-row{grid-template-columns:1fr;gap:28px;}
  .alt-row.reverse .alt-copy{order:1;}
  .alt-row.reverse .alt-media{order:2;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .dock-wrap{padding:0 16px;top:12px;}
  .dock{height:58px;padding:0 16px;gap:12px;}
  .nav-links{display:none;}
  .search-form{display:none;}
  .dock-actions .icon-btn.search-toggle{display:none;}
  .burger{display:inline-flex;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section.tight{padding:48px 0;}
  .page-head-band{padding:18px 0 4px;}
  .hero-card{padding:26px 22px;border-radius:var(--r-lg);}
  .hero-sub{font-size:15.5px;}
  .point-grid{grid-template-columns:1fr;gap:16px;}
  .point-card{padding:22px;}
  .stat-strip{grid-template-columns:1fr;gap:16px;}
  .cta-band{padding:44px 24px;}
  .footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{justify-content:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .dock-cta{padding:0 16px;font-size:13px;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a-inner{padding:0 18px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#0E5B4E; --ink-deep:#08211D; --mint:#2FD1A8; --orange:#FF7A45; --orange-l:#FFB25C;
  --bg:#F7F8F4; --surface:#FFFFFF; --panel:#EFF4EF;
  --text:#16211F; --text-2:#5A6B67; --text-3:#8A9691;
  --line:#E3E8E2; --divider:rgba(14,91,78,.10);
  --grad:linear-gradient(135deg,#0E5B4E 0%,#17A97F 55%,#2FD1A8 100%);
  --grad-warm:linear-gradient(120deg,#FF7A45 0%,#FFB25C 100%);
  --r-sm:16px; --r-md:20px; --r-lg:28px; --r-pill:999px;
  --sh-sm:0 2px 8px rgba(14,91,78,.06);
  --sh-md:0 10px 30px rgba(14,91,78,.10);
  --sh-lg:0 24px 60px rgba(8,33,29,.16);
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.7;letter-spacing:.01em;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部阅读进度 ---------- */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:130;transition:width .12s linear}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:100;padding:0 18px}
.dock{
  position:relative;max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:18px;padding:0 20px;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(14,91,78,.08);border-radius:var(--r-pill);
  box-shadow:var(--sh-sm);transition:height .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.site-header.shrink .dock{height:56px;background:rgba(255,255,255,.94);box-shadow:var(--sh-md)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);color:#fff;
  display:grid;place-items:center;flex:0 0 auto;
}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:17px;font-weight:700;color:var(--ink-deep);white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.dock-nav a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;transition:color .2s ease-out}
.dock-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.dock-nav a:hover{color:var(--ink)}
.dock-nav a:hover::after{transform:scaleX(1)}
.dock-nav a.is-active{color:var(--ink);font-weight:700}
.dock-nav a.is-active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;background:var(--panel);color:var(--ink);
  display:grid;place-items:center;border:1px solid transparent;transition:.2s ease-out;flex:0 0 auto;
}
.icon-btn:hover{border-color:var(--ink);background:#fff}
.icon-btn svg{width:18px;height:18px}
.burger{display:none}
.dock-search{
  position:absolute;right:74px;top:50%;width:0;opacity:0;pointer-events:none;
  transform:translateY(-50%) translateX(14px);transition:.24s ease-out;
}
.dock-search.open{width:260px;opacity:1;pointer-events:auto;transform:translateY(-50%) translateX(0)}
.dock-search input{
  width:100%;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;padding:0 18px;font-size:14px;color:var(--text);
}
.dock-search input::placeholder{color:var(--text-3)}
.dock-search input:focus{outline:none;border-color:var(--ink);box-shadow:var(--sh-sm)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,filter .18s ease-out;
}
.btn-primary{background:var(--grad-warm);color:#fff;box-shadow:0 8px 22px rgba(255,122,69,.28);background-size:150% 150%}
.btn-primary:hover{filter:brightness(1.04);background-position:100% 0;box-shadow:0 12px 28px rgba(255,122,69,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border:1.5px solid var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--panel)}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--sh-sm)}
.btn-light:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink)}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease-out}
.btn-text:hover svg{transform:translateX(4px)}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 抽屉 / 遮罩 ---------- */
.overlay{position:fixed;inset:0;background:rgba(8,33,29,.45);opacity:0;pointer-events:none;transition:.24s ease-out;z-index:110}
.overlay.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;background:#fff;z-index:120;
  border-radius:24px 0 0 24px;padding:24px 20px;overflow-y:auto;
  transform:translateX(102%);transition:transform .28s ease-out;box-shadow:var(--sh-lg);
}
.drawer.open{transform:translateX(0)}
.drawer h3{font-size:14px;color:var(--text-3);font-weight:500;margin-bottom:10px}
.drawer a.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:14px;
  font-size:15px;font-weight:600;color:var(--text);transition:.2s ease-out;
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.is-active{background:var(--panel);color:var(--ink)}
.drawer .drawer-search{margin:16px 0 8px}
.drawer .drawer-search input{width:100%;height:44px;border-radius:14px;border:1px solid var(--line);padding:0 14px;font-size:14px}
.drawer .drawer-search input:focus{outline:none;border-color:var(--ink)}

/* ---------- 面包屑 ---------- */
.crumb{padding:26px 0 0}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb-list a{color:var(--text-2);transition:color .2s ease-out}
.crumb-list a:hover{color:var(--ink)}
.crumb-list .sep{color:var(--line)}
.crumb-list .current{color:var(--text-3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:24px 0 0}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--panel);color:var(--ink);
  font-size:12px;font-weight:600;
}
.chip-solid{background:var(--grad);color:#fff}
.article-title{font-size:clamp(26px,3.4vw,40px);font-weight:800;color:var(--ink-deep);max-width:900px}
.article-title .title-grad{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item svg{width:14px;height:14px;stroke:var(--text-3)}
.cover-wrap{margin-top:32px;border-radius:24px;overflow:hidden;box-shadow:var(--sh-md);background:var(--panel)}
.cover-wrap img{width:100%;aspect-ratio:16/9;height:auto}

/* ---------- 两栏主体 ---------- */
.article-main{padding:56px 0 0}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.layout-narrow{max-width:860px}
.panel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);padding:32px;
}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--text);letter-spacing:.01em;max-width:800px}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:24px;color:var(--ink-deep);margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:20px;border-radius:3px;background:var(--grad);
}
.article-body h2::after{
  content:"#";position:absolute;left:-18px;top:.3em;font-size:16px;color:var(--text-3);
  opacity:0;transition:opacity .2s ease-out;
}
.article-body h2:hover::after{opacity:1}
.article-body h3{font-size:20px;color:var(--ink);margin:28px 0 12px}
.article-body h4{font-size:17px;color:var(--ink-deep);margin:22px 0 10px}
.article-body blockquote{
  position:relative;background:var(--panel);border-radius:12px;
  padding:20px 22px 20px 26px;margin:24px 0;font-size:16px;color:var(--text-2);
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:var(--grad);
}
.article-body ul,.article-body ol{margin:16px 0 24px}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--text)}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.68em;width:8px;height:8px;border-radius:50%;background:var(--mint);
}
.article-body ol{counter-reset:item}
.article-body ol li::before{
  counter-increment:item;content:counter(item,decimal-leading-zero);
  position:absolute;left:0;top:0;font-size:13px;font-weight:700;color:var(--mint);
}
.article-body img{width:100%;border-radius:16px;margin:24px 0}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body a{color:var(--ink);font-weight:600;border-bottom:1px solid var(--divider);transition:border-color .2s ease-out}
.article-body a:hover{border-color:var(--ink)}
.article-body hr{border:0;height:1px;background:var(--divider);margin:32px 0}
.article-body table{
  width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:12px;
  overflow:hidden;font-size:15px;margin:24px 0;
}
.article-body th{background:var(--panel);text-align:left;padding:12px 16px;font-weight:700;color:var(--ink);font-size:14px}
.article-body td{padding:12px 16px;border-top:1px solid var(--line);color:var(--text-2);vertical-align:top}
.article-body tbody tr:nth-child(even){background:rgba(14,91,78,.03)}
.article-body pre{
  background:var(--panel);border-radius:12px;padding:18px;overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;margin:24px 0;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--panel);border-radius:24px;padding:56px 32px;text-align:center;
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:#fff;
  display:grid;place-items:center;color:var(--ink);box-shadow:var(--sh-sm);
}
.empty-state .empty-icon svg{width:28px;height:28px}
.empty-state p{color:var(--text-2);font-size:16px;margin-bottom:18px}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-sm);padding:24px;transition:box-shadow .2s ease-out;
}
.side-card:hover{box-shadow:var(--sh-md)}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ink-deep);margin-bottom:16px;
}
.side-title::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--grad)}
.rank-list li{margin-bottom:12px}
.rank-list li:last-child{margin-bottom:0}
.rank-list a{
  display:flex;gap:12px;align-items:flex-start;padding:8px 10px;border-radius:12px;
  transition:background .2s ease-out;
}
.rank-list a:hover{background:#F3F7F3}
.rank-num{font-size:14px;font-weight:700;color:var(--mint);flex:0 0 auto;font-variant-numeric:tabular-nums}
.rank-text{font-size:14px;color:var(--text-2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rank-list a:hover .rank-text{color:var(--ink)}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  height:44px;padding:0 14px;border-radius:14px;font-size:14px;font-weight:600;color:var(--text-2);
  transition:background .2s ease-out,color .2s ease-out;
}
.side-links a:hover{background:var(--panel);color:var(--ink)}
.side-links a svg{width:14px;height:14px;opacity:.6}
.mini-cta{
  background:var(--grad);border-radius:var(--r-md);padding:26px;color:#fff;box-shadow:var(--sh-md);
}
.mini-cta h3{font-size:18px;color:#fff;margin-bottom:10px}
.mini-cta p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.86);margin-bottom:18px}
.mini-cta .btn{width:100%;height:44px;font-size:14px}

/* ---------- 文末区 ---------- */
.article-foot{padding:56px 0 0}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--panel);color:var(--ink);font-size:13px;font-weight:500;transition:.2s ease-out;
}
.tag:hover{background:#E3EFE8;transform:translateY(-2px)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:36px}
.pager-card{
  display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 24px;box-shadow:var(--sh-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.pager-card svg{width:18px;height:18px;color:var(--mint);flex:0 0 auto}
.pager-label{font-size:12px;color:var(--text-3);margin-bottom:4px}
.pager-title{font-size:15px;font-weight:600;color:var(--ink-deep);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pager-card.next{justify-content:flex-end;text-align:right}
.back-row{display:flex;justify-content:center;margin-top:12px}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.related-head h2{font-size:clamp(24px,3vw,36px);color:var(--ink-deep)}
.related-head p{font-size:15px;color:var(--text-2);margin-top:10px;max-width:640px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  position:relative;display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);padding:18px;box-shadow:var(--sh-sm);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.post-cover{position:relative;border-radius:var(--r-sm);overflow:hidden;margin-bottom:16px}
.post-cover img{width:100%;aspect-ratio:16/10;transition:transform .3s ease-out}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-chip{
  position:absolute;left:12px;top:12px;background:#fff;color:var(--ink);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);box-shadow:var(--sh-sm);
}
.post-title{font-size:17px;font-weight:700;color:var(--ink-deep);line-height:1.4;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-title{color:var(--ink)}
.post-desc{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.post-foot{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-top:auto}
.post-foot .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.post-link{position:absolute;inset:0;border-radius:var(--r-md)}

/* ---------- FAQ ---------- */
.faq-section{padding:72px 0;background:var(--panel)}
.faq-head{text-align:center;max-width:680px;margin:0 auto 36px}
.faq-head h2{font-size:clamp(24px,3vw,36px);color:var(--ink-deep)}
.faq-head p{margin-top:14px;color:var(--text-2);font-size:15px}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;transition:box-shadow .2s ease-out}
.faq-item.open{box-shadow:var(--sh-md)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--ink-deep);
}
.faq-toggle{
  width:24px;height:24px;border-radius:50%;background:var(--panel);color:var(--ink);
  display:grid;place-items:center;flex:0 0 auto;transition:transform .2s ease-out;
}
.faq-toggle svg{width:14px;height:14px}
.faq-item.open .faq-toggle{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA 带 ---------- */
.cta-band{padding:80px 0}
.cta-card{
  position:relative;overflow:hidden;background:var(--grad);border-radius:var(--r-lg);
  padding:64px 48px;text-align:center;color:#fff;box-shadow:var(--sh-lg);
}
.cta-card h2{font-size:clamp(22px,2.6vw,32px);color:#fff}
.cta-card p{max-width:620px;margin:16px auto 28px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.88)}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}
.cta-link{color:rgba(255,255,255,.78);font-size:14px;font-weight:600}
.cta-link:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.cta-arc{position:absolute;border:1px solid rgba(255,255,255,.12);border-radius:50%;pointer-events:none}
.cta-arc.a{width:280px;height:280px;right:-90px;top:-110px}
.cta-arc.b{width:220px;height:220px;left:-80px;bottom:-120px}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:#fff;box-shadow:var(--sh-md);color:var(--ink);display:grid;place-items:center;
  opacity:0;pointer-events:none;transform:translateY(10px);transition:.24s ease-out;z-index:90;
}
.back-top.show{opacity:1;pointer-events:auto;transform:none}
.back-top svg{width:18px;height:18px}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-deep);color:#fff;margin-top:24px;position:relative;padding:64px 0 0}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer .logo-text{color:#fff}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:18px 0 20px;max-width:320px}
.socials{display:flex;gap:12px}
.social{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:grid;place-items:center;color:rgba(255,255,255,.8);transition:.2s ease-out;
}
.social:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4)}
.social svg{width:18px;height:18px}
.footer h4{font-size:15px;font-weight:700;color:var(--mint);margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:.2s ease-out}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;margin-bottom:16px}
.footer-form{display:flex;flex-direction:column;gap:12px}
.footer-form input{
  height:48px;border-radius:14px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);padding:0 16px;color:#fff;font-size:14px;
}
.footer-form input::placeholder{color:rgba(255,255,255,.5)}
.footer-form input:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(47,209,168,.16)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:20px}
.footer-bottom nav a{color:rgba(255,255,255,.6);transition:color .2s ease-out}
.footer-bottom nav a:hover{color:#fff}

/* ---------- 进入视口动效 ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.in{opacity:1;transform:none;transition:opacity .42s ease-out,transform .42s ease-out}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar > *{flex:1 1 280px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .dock-nav{display:none}
  .burger{display:grid}
  .dock-search{display:none}
  .site-header{padding:0 14px;top:12px}
  .panel-card{padding:22px}
  .article-head{padding-top:18px}
  .layout{gap:32px}
  .article-main{padding-top:40px}
  .pager{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .related{padding:56px 0}
  .faq-section{padding:56px 0}
  .cta-band{padding:56px 0}
  .cta-card{padding:44px 24px}
  .cta-arc{display:none}
  .footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .crumb-list .current{white-space:normal}
}
@media (max-width:480px){
  .btn{height:46px;padding:0 22px}
  .article-title{font-size:26px}
  .cta-actions{gap:12px}
  .cta-actions .btn{width:100%}
  .side-card{padding:20px}
}

/* roulang page: category2 */
/* ============ 设计令牌 ============ */
:root{
  --brand:#0E5B4E;
  --brand-deep:#08211D;
  --mint:#2FD1A8;
  --accent:#FF7A45;
  --accent-2:#FFB25C;
  --bg:#F7F8F4;
  --surface:#FFFFFF;
  --panel:#EFF4EF;
  --text:#16211F;
  --text-2:#5A6B67;
  --text-3:#8A9691;
  --line:#E3E8E2;
  --line-soft:rgba(14,91,78,.10);
  --grad-brand:linear-gradient(135deg,#0E5B4E 0%,#17A97F 55%,#2FD1A8 100%);
  --grad-accent:linear-gradient(120deg,#FF7A45 0%,#FFB25C 100%);
  --r-pill:999px;
  --r-sm:16px;
  --r-md:20px;
  --r-lg:24px;
  --r-xl:28px;
  --r-input:14px;
  --sh-sm:0 2px 8px rgba(14,91,78,.06);
  --sh-md:0 10px 30px rgba(14,91,78,.10);
  --sh-lg:0 24px 60px rgba(8,33,29,.16);
  --container:1200px;
  --dock-max:1120px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 Dock ============ */
.site-header{
  position:sticky;
  top:16px;
  z-index:80;
  padding:0 24px;
  transition:top .2s var(--ease);
}
.dock{
  max-width:var(--dock-max);
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:22px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(14,91,78,.08);
  box-shadow:var(--sh-sm);
  transition:height .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.shrink .dock{
  height:56px;
  background:rgba(255,255,255,.94);
  box-shadow:var(--sh-md);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:32px;height:32px;
  border-radius:11px;
  background:var(--grad-brand);
  color:#fff;
  display:grid;place-items:center;
  box-shadow:var(--sh-sm);
}
.logo-mark svg{width:19px;height:19px;}
.logo-text{font-size:17px;font-weight:700;color:var(--brand);letter-spacing:.02em;}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:8px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:3px;
  border-radius:3px;
  background:var(--grad-accent);
  transition:width .2s ease-out;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{width:100%;}
.dock-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.icon-btn{
  width:40px;height:40px;
  border-radius:var(--r-pill);
  background:var(--panel);
  color:var(--brand);
  display:grid;place-items:center;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
  border:1px solid transparent;
}
.icon-btn:hover{border-color:var(--brand);box-shadow:var(--sh-sm);}
.icon-btn svg{width:18px;height:18px;}
.search-wrap{
  width:0;
  overflow:hidden;
  transition:width .22s var(--ease);
}
.search-wrap.open{width:260px;}
.search-wrap input{
  width:100%;
  height:42px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--surface);
  padding:0 18px;
  font-size:14px;
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-wrap input::placeholder{color:var(--text-3);}
.search-wrap input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:var(--sh-sm);
}
.menu-toggle{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  transition:filter .2s var(--ease),transform .18s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;}
.btn-primary{
  background:var(--grad-accent);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,122,69,.26);
}
.btn-primary:hover{filter:brightness(1.04);background-position:12% 50%;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-ghost{
  background:transparent;
  border:1.5px solid var(--brand);
  color:var(--brand);
}
.btn-ghost:hover{background:var(--panel);}
.btn-white{
  background:#fff;
  color:var(--brand);
  border:1.5px solid transparent;
}
.btn-white:hover{border-color:var(--accent);color:var(--accent);}
.btn-outline-white{
  background:transparent;
  border:1.5px solid rgba(255,255,255,.72);
  color:#fff;
}
.btn-outline-white:hover{background:rgba(255,255,255,.12);}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.text-link svg{width:15px;height:15px;transition:transform .2s var(--ease);}
.text-link:hover svg{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.tag-pill{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  box-shadow:var(--sh-sm);
}
.tag-soft{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--panel);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
}
.dot-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:500;
  color:var(--text-2);
}
.dot-status i{
  width:8px;height:8px;border-radius:50%;
  background:var(--mint);display:block;
}
.stat-badge{
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);
  padding:22px 24px;
  text-align:left;
  background:rgba(255,255,255,.04);
}
.stat-badge b{
  display:block;
  font-size:36px;
  line-height:1.1;
  font-weight:700;
  color:var(--mint);
  font-variant-numeric:tabular-nums;
}
.stat-badge span{
  display:block;
  margin-top:8px;
  font-size:14px;
  color:rgba(255,255,255,.72);
}

/* ============ HERO ============ */
.hero-lg{
  position:relative;
  margin-top:-80px;
  padding:172px 0 96px;
  overflow:hidden;
  isolation:isolate;
}
.hero-lg-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  z-index:-2;
}
.hero-lg::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(14,91,78,.94) 0%,rgba(14,91,78,.82) 46%,rgba(23,169,127,.68) 100%);
  z-index:-1;
}
.hero-lg::after{
  content:"";
  position:absolute;
  right:-10%;
  top:-30%;
  width:56%;
  height:160%;
  background:linear-gradient(135deg,rgba(47,209,168,.36),rgba(255,178,92,.16));
  transform:skewX(-14deg);
  z-index:-1;
  pointer-events:none;
}
.hero-lg-inner{max-width:840px;position:relative;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
  font-size:13px;
  font-weight:600;
  margin-bottom:22px;
}
.hero-lg h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  color:#fff;
  letter-spacing:.01em;
}
.hero-sub{
  margin-top:18px;
  font-size:18px;
  line-height:1.75;
  color:rgba(255,255,255,.86);
  max-width:620px;
}
.hero-actions{
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-notes{
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;
  font-size:13px;
}
.hero-chip b{font-variant-numeric:tabular-nums;font-size:15px;}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{padding-top:34px;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text-3);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{
  max-width:720px;
  margin-bottom:48px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.08em;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:4px;height:16px;
  border-radius:3px;
  background:var(--grad-brand);
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  color:var(--text);
}
.section-head p{
  margin-top:14px;
  font-size:16px;
  color:var(--text-2);
  line-height:1.8;
}

/* ============ 瀑布卡区 ============ */
.waterfall{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  align-items:start;
}
.wf-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.wf-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.wf-cover{
  position:relative;
  border-radius:var(--r-sm);
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--grad-brand);
  margin-bottom:20px;
}
.wf-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s var(--ease);
}
.wf-card:hover .wf-cover img{transform:scale(1.03);}
.wf-cover .tag-pill{
  position:absolute;
  left:14px;top:14px;
}
.wf-card h3{font-size:20px;color:var(--text);}
.wf-card p{
  margin-top:12px;
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
}
.wf-card .text-link{margin-top:18px;}
.wf-card.tall .wf-cover{aspect-ratio:16/11;}

/* ============ 深色说明带 ============ */
.dark-band{
  position:relative;
  background:var(--brand-deep);
  color:#fff;
  overflow:hidden;
  padding:88px 0;
}
.dark-band::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:4px;
  background:var(--grad-brand);
}
.dark-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:52px 52px;
  pointer-events:none;
}
.dark-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.dark-copy h2{
  font-size:clamp(24px,3vw,34px);
  color:#fff;
}
.dark-copy p{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.76);
}
.dark-list{margin-top:24px;display:grid;gap:12px;}
.dark-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:rgba(255,255,255,.82);
}
.dark-list li::before{
  content:"";
  flex:0 0 auto;
  width:8px;height:8px;
  margin-top:11px;
  border-radius:50%;
  background:var(--mint);
}
.dark-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}

/* ============ 步骤条 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  position:relative;
}
.steps::before{
  content:"";
  position:absolute;
  left:6%;right:6%;
  top:19px;
  border-top:2px dashed var(--line-soft);
  z-index:0;
}
.step{
  position:relative;
  z-index:1;
  text-align:center;
  padding:0 6px;
}
.step-num{
  width:40px;height:40px;
  margin:0 auto;
  border-radius:50%;
  background:var(--surface);
  border:2px solid var(--mint);
  color:var(--brand);
  font-size:15px;
  font-weight:700;
  display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.step h3{
  margin-top:18px;
  font-size:17px;
  color:var(--text);
}
.step p{
  margin-top:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
}

/* ============ 对比卡 ============ */
.compare-section{background:var(--panel);}
.compare-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.compare-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:32px;
  box-shadow:var(--sh-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.compare-card.alt{
  background:linear-gradient(160deg,#0E5B4E 0%,#128a6c 100%);
  border-color:transparent;
  color:#fff;
}
.compare-card .tag-soft{margin-bottom:18px;}
.compare-card.alt .tag-soft{
  background:rgba(255,255,255,.16);
  color:#fff;
}
.compare-card h3{font-size:22px;color:inherit;}
.compare-card .lead{
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}
.compare-card.alt .lead{color:rgba(255,255,255,.8);}
.compare-list{margin-top:22px;display:grid;gap:12px;}
.compare-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
}
.compare-card.alt .compare-list li{color:rgba(255,255,255,.86);}
.compare-list li span{
  flex:0 0 auto;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.compare-card.alt .compare-list li span{color:var(--mint);}

/* ============ CTA 带 ============ */
.cta-section{padding:96px 0;}
.cta-band{
  position:relative;
  background:var(--grad-brand);
  border-radius:var(--r-xl);
  padding:72px 56px;
  text-align:center;
  color:#fff;
  overflow:hidden;
  box-shadow:var(--sh-lg);
}
.cta-band::before,
.cta-band::after{
  content:"";
  position:absolute;
  width:280px;height:280px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:50%;
  pointer-events:none;
}
.cta-band::before{top:-150px;right:-40px;}
.cta-band::after{bottom:-170px;left:-60px;}
.cta-band h2{
  position:relative;
  font-size:clamp(22px,2.6vw,30px);
  color:#fff;
}
.cta-band p{
  position:relative;
  margin:16px auto 0;
  max-width:620px;
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,.88);
}
.cta-actions{
  position:relative;
  margin-top:32px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}
.cta-secondary{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:rgba(255,255,255,.72);
  transition:color .2s var(--ease);
}
.cta-secondary:hover{color:#fff;}

/* ============ 页脚 ============ */
.footer{
  position:relative;
  background:var(--brand-deep);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
}
.footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:4px;
  background:var(--grad-brand);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer .logo-text{color:#fff;}
.footer-about{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.72);
  max-width:330px;
}
.socials{margin-top:22px;display:flex;gap:12px;}
.social{
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  display:grid;place-items:center;
  color:rgba(255,255,255,.78);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.social:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.32);}
.social svg{width:17px;height:17px;}
.footer h4{
  font-size:15px;
  color:var(--mint);
  margin-bottom:18px;
}
.footer-links{display:grid;gap:12px;}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s var(--ease),transform .2s var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
}
.footer-form{
  margin-top:18px;
  display:grid;
  gap:10px;
}
.footer-form input{
  height:48px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  padding:0 16px;
  font-size:14px;
  color:#fff;
}
.footer-form input::placeholder{color:rgba(255,255,255,.5);}
.footer-form input:focus{
  outline:none;
  border-color:var(--mint);
  box-shadow:var(--sh-sm);
}
.footer-form .btn{width:100%;}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom-links a{color:rgba(255,255,255,.6);transition:color .2s var(--ease);}
.footer-bottom-links a:hover{color:#fff;}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;
  bottom:28px;
  width:48px;height:48px;
  border-radius:50%;
  background:#fff;
  color:var(--brand);
  display:grid;place-items:center;
  box-shadow:var(--sh-md);
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
  z-index:70;
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top svg{width:20px;height:20px;}

/* ============ 抽屉（移动端） ============ */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(8,33,29,.45);
  opacity:0;
  pointer-events:none;
  transition:opacity .22s var(--ease);
  z-index:90;
}
.drawer-mask.show{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;
  top:16px;
  right:16px;
  bottom:16px;
  width:min(320px,84vw);
  background:#fff;
  border-radius:var(--r-lg);
  padding:26px 22px;
  box-shadow:var(--sh-lg);
  transform:translateX(calc(100% + 24px));
  transition:transform .26s var(--ease);
  z-index:100;
  overflow-y:auto;
}
.drawer.show{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:20px;
}
.drawer-nav{display:grid;gap:6px;margin-bottom:22px;}
.drawer-nav a{
  height:48px;
  display:flex;
  align-items:center;
  padding:0 16px;
  border-radius:var(--r-input);
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:var(--panel);color:var(--brand);}
.drawer-nav a.active{background:var(--panel);color:var(--brand);font-weight:600;}
.drawer-search input{
  width:100%;
  height:48px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  padding:0 16px;
  font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:var(--sh-sm);}

/* ============ 动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .dark-inner{gap:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr; }
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .menu-toggle{display:grid;}
  .search-wrap{display:none;}
  .hero-lg{padding:156px 0 80px;}
  .dark-inner{grid-template-columns:1fr;gap:36px;}
  .dark-stats{grid-template-columns:repeat(3,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .steps::before{display:none;}
  .section{padding:80px 0;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:768px){
  .site-header{padding:0 16px;top:12px;}
  .dock{height:58px;padding:0 14px;gap:12px;}
  .site-header.shrink .dock{height:54px;}
  .logo-text{font-size:16px;}
  .dock-actions .btn-sm{padding:0 16px;font-size:13px;height:40px;}
  .hero-lg{margin-top:-72px;padding:140px 0 64px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .breadcrumb-wrap{padding-top:26px;}
  .section{padding:64px 0;}
  .section-tight{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .waterfall{grid-template-columns:1fr;gap:18px;}
  .dark-band{padding:64px 0;}
  .dark-stats{grid-template-columns:1fr;gap:14px;}
  .compare-grid{grid-template-columns:1fr;}
  .compare-card{padding:26px;}
  .steps{grid-template-columns:1fr;gap:24px;}
  .step{text-align:left;display:grid;grid-template-columns:40px 1fr;gap:16px;align-items:start;}
  .step-num{margin:0;}
  .step h3{margin-top:0;}
  .step p{grid-column:2;margin-top:8px;}
  .cta-section{padding:64px 0;}
  .cta-band{padding:48px 24px;border-radius:var(--r-lg);}
  .cta-actions .btn{width:100%;}
  .footer{padding:56px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .logo-text{font-size:15px;}
  .hero-lg h1{font-size:30px;}
  .wf-card{padding:18px;}
  .wf-card h3{font-size:18px;}
  .stat-badge b{font-size:32px;}
  .footer-about{font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}