/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --brand-1:#12A87A;
  --brand-2:#7CD63F;
  --brand-3:#B8EC4A;
  --grad:linear-gradient(135deg,#12A87A 0%,#7CD63F 55%,#B8EC4A 100%);
  --grad-soft:linear-gradient(135deg,rgba(18,168,122,.12) 0%,rgba(184,236,74,.18) 100%);
  --accent:#FF5B3D;
  --gold:#FFC53D;
  --ink:#0F1A17;
  --ink-2:#4A5A55;
  --line:#E4EAE5;
  --bg:#F5F7F4;
  --bg-deep:#0B241F;
  --surface:#FFFFFF;
  --dark-text:#EAF6EE;
  --r-s:16px;
  --r-m:20px;
  --r-l:24px;
  --r-xl:28px;
  --sh:0 8px 24px rgba(11,36,31,.06);
  --sh-h:0 18px 44px rgba(11,36,31,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --wrap:1200px;
  --font:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,"Helvetica Neue",sans-serif;
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand-1);text-decoration:none;background:transparent;transition:color .25s var(--ease)}
a:hover{color:#0d8f68}
button{font-family:var(--font);font-size:inherit;line-height:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,textarea,select{font-family:var(--font);font-size:16px}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:8px}
h1,h2,h3,h4,h5,h6{font-family:var(--font);font-weight:700;line-height:1.25;letter-spacing:-0.01em;color:var(--ink)}
/* 覆盖 Foundation 默认字体与链接色 */
body,h1,h2,h3,h4,h5,h6,p,li,td,th,label,button,input,select,textarea,a,.button{font-family:var(--font)}
.button,button.button{border-radius:999px}
.tabular{font-variant-numeric:tabular-nums}

/* ================= 容器与板块 ================= */
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--surface{background:var(--surface)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px}
.section-head__text{max-width:660px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:#0d8f68;background:var(--grad-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-title{font-size:clamp(26px,3.4vw,38px);font-weight:700;line-height:1.25}
.section-sub{margin-top:12px;font-size:16px;color:var(--ink-2);line-height:1.8}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;
  color:var(--brand-1);white-space:nowrap;
}
.text-link span{transition:transform .25s var(--ease)}
.text-link:hover span{transform:translateX(4px)}

/* ================= 顶部导航 ================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);box-shadow:0 6px 20px rgba(11,36,31,.06)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;height:72px;transition:height .25s var(--ease)}
.site-header.is-scrolled .nav-wrap{height:60px}
.nav-side{display:flex;align-items:center;gap:28px}
.nav-left{justify-self:start}
.nav-right{justify-self:end}
.nav-link{position:relative;padding:6px 2px;font-size:15px;font-weight:600;color:var(--ink-2)}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:999px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-1)}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:30px;height:30px;border-radius:10px;background:var(--grad);
  position:relative;flex:0 0 auto;box-shadow:0 6px 16px rgba(18,168,122,.3);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:10px;height:10px;border-radius:50%;background:#06231B;opacity:.85;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-0.01em;white-space:nowrap}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;background:var(--surface);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle:hover{border-color:var(--brand-1);background:rgba(18,168,122,.06)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--surface);
  transform:translateY(-100%);transition:transform .34s var(--ease);
  display:flex;flex-direction:column;padding:20px 22px 28px;overflow-y:auto;
}
.drawer.is-open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink);
}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  font-size:18px;font-weight:600;color:var(--ink);padding:14px 4px;
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand-1)}
.drawer-cta{margin-top:auto;padding-top:28px}
.drawer-cta .btn{width:100%}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.btn-primary{background:var(--grad);background-size:160% 160%;color:#06231B;box-shadow:0 10px 24px rgba(18,168,122,.28)}
.btn-primary:hover{color:#06231B;transform:translateY(-2px);box-shadow:0 16px 34px rgba(18,168,122,.36);background-position:100% 50%}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{color:var(--ink);border-color:var(--brand-1);background:rgba(18,168,122,.06);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.btn-light{background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);transform:translateY(-2px)}
.btn-block{width:100%}

/* ================= 徽章 ================= */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  padding:5px 12px;border-radius:999px;
  background:rgba(18,168,122,.1);color:#0d8f68;
}
.pill--gold{background:rgba(255,197,61,.18);color:#8a6100}
.pill--accent{background:rgba(255,91,61,.12);color:#c8391d}
.pill--light{background:rgba(255,255,255,.16);color:#fff}

/* ================= 首屏 ================= */
.hero{position:relative;padding:72px 0 88px;overflow:hidden}
.hero::before{
  content:"";position:absolute;right:-160px;top:-180px;width:520px;height:520px;border-radius:50%;
  background:var(--grad-soft);filter:blur(6px);opacity:.75;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center}
.hero-title{font-size:clamp(34px,5.2vw,56px);line-height:1.15;font-weight:800;letter-spacing:-0.01em}
.hero-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:22px;font-size:18px;line-height:1.8;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-badges .badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--surface);
  border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  font-size:13px;font-weight:600;color:var(--ink-2);box-shadow:var(--sh);
}
.hero-badges .badge i{width:7px;height:7px;border-radius:50%;background:var(--brand-2);display:block}
.hero-visual-wrap{display:flex;justify-content:flex-end}
.hero-visual{
  position:relative;width:min(100%,368px);aspect-ratio:9/16;
  border-radius:var(--r-xl);overflow:hidden;background:var(--bg-deep);
  box-shadow:0 26px 60px rgba(11,36,31,.22),0 0 0 2px rgba(18,168,122,.35);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:70px;height:70px;border-radius:50%;background:rgba(255,255,255,.84);
  display:grid;place-items:center;box-shadow:0 12px 32px rgba(11,36,31,.28);
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.play-btn::after{
  content:"";width:0;height:0;margin-left:5px;
  border-left:19px solid #06231B;border-top:11px solid transparent;border-bottom:11px solid transparent;
}
.hero-visual:hover .play-btn{transform:translate(-50%,-50%) scale(1.07)}
.visual-shade{position:absolute;left:0;right:0;bottom:0;height:46%;background:linear-gradient(to top,rgba(11,36,31,.94),rgba(11,36,31,0))}
.visual-meta{position:absolute;left:0;right:0;bottom:0;padding:20px;color:#fff}
.visual-meta h3{color:#fff;font-size:17px;font-weight:700;line-height:1.5}
.visual-row{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}
.visual-duration{
  position:absolute;right:14px;top:14px;background:rgba(11,36,31,.7);color:#fff;
  font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px;font-variant-numeric:tabular-nums;
}

/* ================= 数据徽章带 ================= */
.stats-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-inner{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:center;padding:56px 0}
.stats-inner h2{font-size:clamp(22px,2.4vw,28px)}
.stats-note{margin-top:12px;font-size:13px;color:var(--ink-2);line-height:1.7}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-m);padding:22px 20px;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh)}
.stat-num{display:block;font-size:30px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-0.02em}
.stat-num b{font-size:16px;font-weight:700;color:var(--brand-1);margin-left:2px}
.stat-label{display:block;margin-top:6px;font-size:13px;color:var(--ink-2)}

/* ================= 横向轨道 ================= */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:20px;width:56px;z-index:2;pointer-events:none;
}
.rail-wrap::before{left:-8px;background:linear-gradient(to right,var(--bg),rgba(245,247,244,0))}
.rail-wrap::after{right:-8px;background:linear-gradient(to left,var(--bg),rgba(245,247,244,0))}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 4px 24px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 252px;scroll-snap-align:start}
.rail-cover{
  position:relative;border-radius:var(--r-s);overflow:hidden;aspect-ratio:9/16;background:var(--bg-deep);
  box-shadow:var(--sh);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.rail-card:hover .rail-cover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.rail-card:hover .rail-cover img{transform:scale(1.03)}
.rail-duration{
  position:absolute;right:10px;bottom:10px;background:rgba(11,36,31,.72);color:#fff;
  font-size:12px;font-weight:700;padding:4px 9px;border-radius:999px;font-variant-numeric:tabular-nums;
}
.rail-card h3{margin-top:14px;font-size:16px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-meta{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.rail-nav{display:flex;gap:10px}
.rail-arrow{
  width:44px;height:44px;border-radius:50%;background:var(--surface);border:1px solid var(--line);
  display:grid;place-items:center;font-size:16px;color:var(--ink);
  transition:all .25s var(--ease);
}
.rail-arrow:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);box-shadow:var(--sh)}

/* ================= 种草清单 ================= */
.seed-list{border-top:1px solid var(--line)}
.seed-item{
  display:grid;grid-template-columns:118px minmax(0,1fr) auto;gap:28px;align-items:center;
  padding:30px 18px;border-bottom:1px solid var(--line);
  transition:background .25s var(--ease);
}
.seed-item:hover{background:rgba(18,168,122,.04)}
.seed-num{
  font-size:52px;font-weight:800;line-height:1;letter-spacing:-0.03em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.seed-body h3{font-size:20px;font-weight:700}
.seed-body p{margin-top:8px;font-size:15px;color:var(--ink-2);line-height:1.8;max-width:620px}
.seed-aside{display:flex;flex-direction:column;align-items:flex-end;gap:10px}

/* ================= 最新信息（CMS 注入区） ================= */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(18,168,122,.35)}
.news-thumb{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--bg-deep)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-thumb .pill{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92)}
.news-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:18px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand-1)}
.news-body p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;
}
.news-foot .arrow{color:var(--brand-1);font-weight:700}
.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:52px 32px;text-align:center;box-shadow:var(--sh);
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:20px;background:var(--grad-soft);margin:0 auto 20px;
  display:grid;place-items:center;font-size:26px;color:#0d8f68;
}
.empty-state h3{font-size:19px}
.empty-state p{margin-top:10px;color:var(--ink-2);font-size:15px}
.empty-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}

/* ================= 口碑跑马灯 ================= */
.voice{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.marquee{position:relative;overflow:hidden;margin-top:8px}
.marquee::before,.marquee::after{
  content:"";position:absolute;top:0;bottom:0;width:80px;z-index:2;pointer-events:none;
}
.marquee::before{left:0;background:linear-gradient(to right,var(--surface),rgba(255,255,255,0))}
.marquee::after{right:0;background:linear-gradient(to left,var(--surface),rgba(255,255,255,0))}
.marquee-track{display:flex;gap:18px;width:max-content;animation:marquee 40s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.voice-card{
  display:flex;align-items:center;gap:14px;background:var(--bg);
  border:1px solid var(--line);border-radius:999px;padding:12px 22px 12px 12px;min-width:320px;
}
.voice-avatar{
  width:40px;height:40px;border-radius:50%;background:var(--grad);color:#06231B;
  display:grid;place-items:center;font-weight:800;font-size:15px;flex:0 0 auto;
}
.voice-text{font-size:14px;color:var(--ink);line-height:1.6}
.voice-name{display:block;font-size:12px;color:var(--ink-2);margin-top:2px}
.voice-score{font-size:12px;font-weight:700;color:#8a6100;background:rgba(255,197,61,.18);padding:4px 10px;border-radius:999px;white-space:nowrap;font-variant-numeric:tabular-nums}

/* ================= FAQ ================= */
.faq-list{display:grid;gap:16px;max-width:900px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease)}
.faq-item:hover{box-shadow:var(--sh)}
.faq-item.is-open{border-color:rgba(18,168,122,.4);box-shadow:var(--sh)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 24px 22px 22px;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
}
.faq-q span.q-text{padding-left:14px}
.faq-icon{
  width:26px;height:26px;border-radius:50%;background:var(--grad-soft);flex:0 0 auto;
  position:relative;transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:#0d8f68;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 24px 24px 36px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ================= CTA 深色带 ================= */
.cta-band{position:relative;background:var(--bg-deep);border-radius:var(--r-xl);overflow:hidden;padding:72px 56px;color:var(--dark-text)}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.28;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:var(--grad);opacity:.18;filter:blur(10px);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center}
.cta-inner h2{color:#fff;font-size:clamp(26px,3.2vw,36px)}
.cta-inner p{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(234,246,238,.82);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}

/* ================= 页脚 ================= */
.site-footer{background:var(--bg-deep);color:var(--dark-text);padding:72px 0 0;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;left:-140px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:var(--grad);opacity:.07;filter:blur(8px);
}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand .brand{color:#fff;justify-self:flex-start}
.footer-brand .brand-text{color:#fff}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(234,246,238,.7);max-width:340px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col li{margin-bottom:12px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(234,246,238,.72);transition:color .25s var(--ease)}
.footer-col a:hover{color:var(--brand-3)}
.footer-bottom{
  position:relative;z-index:2;margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(234,246,238,.6);
}
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--grad);color:#06231B;font-size:18px;font-weight:800;
  display:grid;place-items:center;box-shadow:0 12px 30px rgba(18,168,122,.36);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .3s var(--ease);z-index:70;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px)}

/* 首屏渐入 */
.fade-up{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.fade-up.is-in{opacity:1;transform:translateY(0)}

/* ================= 响应式 ================= */
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-wrap{grid-template-columns:1fr auto 1fr;height:68px}
  .nav-side{gap:20px}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual-wrap{justify-content:center}
  .hero-visual{width:min(100%,320px)}
  .stats-inner{grid-template-columns:1fr;gap:32px;padding:48px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-actions{justify-content:flex-start}
  .cta-band{padding:56px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:900px){
  .nav-side{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{display:flex;justify-content:space-between;align-items:center}
  .brand-text{font-size:16px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  body{font-size:15px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .hero{padding:40px 0 52px}
  .hero-title{font-size:clamp(30px,8vw,38px)}
  .hero-sub{font-size:16px;margin-top:16px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 auto;min-width:150px}
  .hero-badges{gap:8px}
  .hero-badges .badge{font-size:12px;padding:7px 13px}
  .hero-visual{width:min(100%,300px);aspect-ratio:4/5}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat{padding:18px 16px}
  .stat-num{font-size:24px}
  .rail-card{flex:0 0 78vw}
  .rail-nav{display:none}
  .seed-item{grid-template-columns:64px minmax(0,1fr);gap:16px;padding:24px 8px}
  .seed-num{font-size:40px}
  .seed-aside{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap}
  .news-grid{grid-template-columns:1fr;gap:20px}
  .faq-q{font-size:15px;padding:20px 18px 20px 16px}
  .faq-a p{padding:0 18px 20px 30px;font-size:15px}
  .cta-band{padding:40px 24px;border-radius:var(--r-l)}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:32px;text-align:left}
  .footer-brand .brand{justify-self:center}
  .footer-brand{text-align:center}
  .footer-desc{margin-left:auto;margin-right:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .to-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .marquee-track{animation:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --brand-1:#12A87A;
  --brand-2:#7CD63F;
  --brand-3:#B8EC4A;
  --brand-gradient:linear-gradient(135deg,#12A87A 0%,#7CD63F 55%,#B8EC4A 100%);
  --accent:#FF5B3D;
  --gold:#FFC53D;
  --ink:#0F1A17;
  --ink-2:#4A5A55;
  --line:#E4EAE5;
  --bg:#F5F7F4;
  --bg-deep:#0B241F;
  --surface:#FFFFFF;
  --radius-sm:16px;
  --radius-lg:24px;
  --radius-xl:28px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(11,36,31,.06);
  --shadow-2:0 18px 44px rgba(11,36,31,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","HarmonyOS Sans SC","PingFang 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-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px}

body,input,button,select,textarea,.button,.menu,.top-bar{font-family:var(--font-cn)}
.foundation-default, .grid-container{max-width:none}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

.skip-link{
  position:absolute;left:-9999px;top:0;
  background:var(--ink);color:#EAF6EE;padding:10px 16px;border-radius:0 0 12px 0;z-index:200;
}
.skip-link:focus{left:0}

.read-progress{
  position:fixed;left:0;top:0;height:3px;width:0;
  background:var(--brand-gradient);
  z-index:120;transition:width .12s linear;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.95);box-shadow:0 4px 18px rgba(11,36,31,.05)}
.header-inner{
  max-width:1200px;margin:0 auto;
  padding:0 32px;height:72px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
  transition:height .25s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px}

.nav-side{display:flex;align-items:center;gap:22px;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 2px;
  white-space:nowrap;transition:color .25s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;border-radius:99px;
  background:var(--brand-gradient);transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-1);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}

.brand{display:flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{
  position:relative;width:34px;height:34px;border-radius:11px;
  background:var(--brand-gradient);
  box-shadow:0 8px 18px rgba(18,168,122,.28);
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;left:52%;top:50%;transform:translate(-50%,-50%);
  width:0;height:0;border-left:10px solid #fff;
  border-top:7px solid transparent;border-bottom:7px solid transparent;
  border-radius:2px;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand-suffix{
  font-size:12px;font-weight:600;color:var(--ink-2);
  padding:3px 9px;border:1px solid var(--line);border-radius:var(--radius-pill);
  white-space:nowrap;
}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.25s var(--ease)}
.nav-toggle:hover{border-color:var(--brand-1);box-shadow:0 6px 16px rgba(18,168,122,.16)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:150;
  background:rgba(11,36,31,.42);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.mobile-drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(86vw,360px);
  background:var(--surface);padding:22px 22px 28px;
  display:flex;flex-direction:column;gap:4px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s var(--ease);
  box-shadow:-18px 0 44px rgba(11,36,31,.18);
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:12px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink);font-size:18px;line-height:1;cursor:pointer;
}
.drawer-link{
  display:block;font-size:18px;font-weight:600;color:var(--ink);
  padding:13px 12px;border-radius:14px;transition:background .25s var(--ease),color .25s var(--ease);
}
.drawer-link:hover{background:rgba(18,168,122,.08);color:var(--brand-1)}
.drawer-link.is-active{color:var(--brand-1);background:rgba(18,168,122,.1)}
.drawer-cta{margin-top:auto;padding-top:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  border:1px solid transparent;transition:all .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand-gradient);background-size:180% 180%;
  color:#06231B;box-shadow:0 10px 26px rgba(18,168,122,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);background-position:80% 50%}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand-1);background:rgba(18,168,122,.06);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#EAF6EE}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}

/* ---------- 通用小件 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(18,168,122,.1);color:var(--brand-1);
  white-space:nowrap;
}
.chip-gold{background:rgba(255,197,61,.16);color:#9A6A00}
.chip-accent{background:rgba(255,91,61,.12);color:var(--accent)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 11px;border-radius:var(--radius-pill);
  background:rgba(11,36,31,.06);color:var(--ink-2);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.sec-title{font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:-.01em;line-height:1.25}
.sec-sub{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:640px}
.sec-more{font-size:14px;font-weight:700;color:var(--brand-1);display:inline-flex;align-items:center;gap:6px}
.sec-more::after{content:"→";transition:transform .25s var(--ease)}
.sec-more:hover::after{transform:translateX(4px)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  padding:30px 0 46px;
  background:
    linear-gradient(180deg,rgba(245,247,244,.9) 0%,rgba(245,247,244,.98) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-2);margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-2);transition:color .25s var(--ease)}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb .sep{color:#B7C3BE}
.breadcrumb .current{
  color:var(--brand-1);font-weight:700;
  max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head{max-width:860px}
.article-title{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.2;font-weight:800;letter-spacing:-.01em;
  margin:16px 0 18px;
}
.article-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-2);
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item time{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--ink)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C6D2CD}

/* ---------- 正文阅读区 ---------- */
.article-body{padding:52px 0 0}
.article-shell{max-width:760px;margin:0 auto}
.article-content{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:clamp(22px,4vw,46px);
  box-shadow:var(--shadow-1);
}
.article-content h2{
  position:relative;
  font-size:clamp(22px,2.6vw,28px);
  font-weight:700;line-height:1.35;letter-spacing:-.01em;
  color:var(--ink);
  margin:2em 0 .8em;
  padding-left:18px;
}
.article-content h2:first-child{margin-top:0}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.24em;
  width:4px;height:1em;border-radius:99px;
  background:var(--brand-gradient);
}
.article-content h3{font-size:20px;font-weight:700;color:var(--ink);margin:1.6em 0 .6em}
.article-content h4{font-size:17px;font-weight:700;color:var(--ink);margin:1.4em 0 .5em}
.article-content p{margin:0 0 1.2em;color:var(--ink-2)}
.article-content strong{color:var(--ink)}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:0}
.article-content ul li,.article-content ol li{
  position:relative;padding-left:24px;margin-bottom:10px;color:var(--ink-2);
}
.article-content ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:8px;height:8px;border-radius:50%;
  background:var(--brand-gradient);
}
.article-content ol{counter-reset:item}
.article-content ol li{counter-increment:item}
.article-content ol li::before{
  content:counter(item,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--brand-1);
  letter-spacing:.02em;
}
.article-content blockquote{
  position:relative;
  margin:1.6em 0;
  padding:18px 22px 18px 26px;
  background:rgba(18,168,122,.06);
  border-radius:0 16px 16px 0;
  color:var(--ink);
}
.article-content blockquote::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  border-radius:99px;background:var(--brand-gradient);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{
  max-width:100%;height:auto;border-radius:16px;
  margin:1.5em auto;box-shadow:var(--shadow-1);
}
.article-content figure{margin:1.6em 0}
.article-content figcaption{
  font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;
}
.article-content a{
  color:var(--brand-1);font-weight:600;
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;
  transition:color .25s var(--ease);
}
.article-content a:hover{color:#0C7A58}
.article-content table{
  width:100%;border-collapse:collapse;margin:1.5em 0;
  font-size:15px;border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.article-content th{
  background:#F0F7F2;color:var(--ink);font-weight:700;text-align:left;
}
.article-content th,.article-content td{
  padding:12px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);
}
.article-content tr:last-child td{border-bottom:0}
.article-content hr{border:0;height:1px;background:var(--line);margin:2em 0}
.article-content code{
  font-family:var(--font-num);font-size:14px;
  background:rgba(11,36,31,.06);padding:2px 7px;border-radius:8px;color:var(--ink);
}
.article-content pre{
  background:#0F1A17;color:#EAF6EE;padding:18px 20px;border-radius:16px;
  overflow-x:auto;font-family:var(--font-num);font-size:14px;line-height:1.7;
}

.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(26px,5vw,52px);text-align:center;box-shadow:var(--shadow-1);
}
.empty-icon{
  width:56px;height:56px;border-radius:18px;margin:0 auto 18px;
  background:var(--brand-gradient);opacity:.9;
  display:grid;place-items:center;color:#06231B;font-size:24px;font-weight:800;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:22px}

/* 标签 */
.tag-block{max-width:760px;margin:28px auto 0;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tag-label{font-size:13px;color:var(--ink-2);font-weight:600}
.tag-list{display:flex;gap:10px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;
  border-radius:var(--radius-pill);font-size:13px;font-weight:600;
  background:rgba(18,168,122,.1);color:var(--brand-1);
  transition:all .25s var(--ease);
}
.tag:hover{background:var(--brand-gradient);color:#06231B;transform:translateY(-2px)}

/* ---------- 相关推荐 ---------- */
.related-sec{padding:88px 0 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.rel-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .rel-media img{transform:scale(1.03)}
.rel-media .chip{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);color:var(--brand-1)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-title{font-size:17px;font-weight:700;line-height:1.45;color:var(--ink)}
.rel-desc{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-2);
}
.rel-foot time{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.rel-arrow{
  width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:14px;
  background:rgba(18,168,122,.1);color:var(--brand-1);
  transition:all .25s var(--ease);
}
.rel-card:hover .rel-arrow{background:var(--brand-gradient);color:#06231B}

.back-row{display:flex;justify-content:center;margin-top:44px}

/* ---------- FAQ ---------- */
.faq-sec{padding:88px 0 0}
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq-item[open]{border-color:rgba(18,168,122,.35);box-shadow:var(--shadow-2)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 58px 20px 24px;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;
  border-radius:99px;background:var(--brand-gradient);
}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:26px;
  width:9px;height:9px;border-right:2px solid var(--brand-1);border-bottom:2px solid var(--brand-1);
  transform:rotate(45deg);transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-answer{padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-sec{padding:88px 0 0}
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);
  padding:clamp(30px,5vw,64px);
  background:
    linear-gradient(135deg,rgba(11,36,31,.94) 0%,rgba(11,36,31,.86) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#EAF6EE;
  display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
  box-shadow:0 24px 60px rgba(11,36,31,.28);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,214,63,.35) 0%,rgba(124,214,63,0) 70%);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(24px,3.2vw,34px);font-weight:800;line-height:1.3;letter-spacing:-.01em;margin-bottom:14px;
}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(234,246,238,.82);max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.cta-stats{display:flex;gap:26px;margin-top:26px;flex-wrap:wrap}
.cta-stat strong{
  display:block;font-family:var(--font-num);font-size:26px;font-weight:800;
  background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.cta-stat span{font-size:13px;color:rgba(234,246,238,.7)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:96px;background:var(--bg-deep);color:#EAF6EE;
  padding:72px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;left:-120px;bottom:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,168,122,.18) 0%,rgba(18,168,122,0) 70%);
  pointer-events:none;
}
.footer-grid{
  position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;padding-bottom:44px;
}
.footer-brand .brand{justify-self:flex-start;margin-bottom:16px}
.footer-brand .brand-text{color:#EAF6EE}
.footer-brand .brand-suffix{color:rgba(234,246,238,.7);border-color:rgba(255,255,255,.18)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(234,246,238,.66);max-width:340px}
.footer-col h3{
  font-size:15px;font-weight:700;color:#EAF6EE;margin-bottom:16px;letter-spacing:.01em;
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a,.footer-col ul li span{
  font-size:14px;color:rgba(234,246,238,.7);transition:color .25s var(--ease);
}
.footer-col ul li a:hover{color:var(--brand-3)}
.footer-bottom{
  position:relative;border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(234,246,238,.55);
}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:110;
  width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;
  background:var(--brand-gradient);color:#06231B;font-size:18px;font-weight:800;
  display:grid;place-items:center;box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .25s var(--ease);
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px)}

/* 淡入 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{grid-template-columns:44px 1fr auto;height:64px;padding:0 24px;gap:12px}
  .site-header.is-scrolled .header-inner{height:58px}
  .nav-side{display:none}
  .nav-toggle{display:flex}
  .brand{justify-self:start}
  .brand-suffix{display:none}
  .brand-text{font-size:16px}
  .cta-band{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .related-sec,.faq-sec,.cta-sec{padding-top:72px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{padding:0 20px}
  .brand-text{font-size:15px;max-width:52vw;overflow:hidden;text-overflow:ellipsis}
  .related-grid{grid-template-columns:1fr;gap:20px}
  .article-body{padding-top:36px}
  .article-hero{padding:22px 0 34px}
  .breadcrumb .current{max-width:38vw}
  .related-sec,.faq-sec,.cta-sec{padding-top:56px}
  .site-footer{margin-top:64px;padding:52px 0 24px}
  .footer-grid{grid-template-columns:1fr;text-align:left}
  .footer-brand{text-align:center}
  .footer-brand .brand{justify-self:center}
  .footer-desc{margin:0 auto}
  .footer-bottom{justify-content:center;text-align:center}
  .to-top{right:18px;bottom:18px;width:44px;height:44px}
  .tag-block{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .article-content h2{font-size:21px}
  .btn{height:46px;padding:0 20px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --brand-1:#12A87A;
  --brand-2:#7CD63F;
  --brand-3:#B8EC4A;
  --brand-grad:linear-gradient(135deg,#12A87A 0%,#7CD63F 55%,#B8EC4A 100%);
  --accent:#FF5B3D;
  --gold:#FFC53D;
  --ink:#0F1A17;
  --ink-2:#4A5A55;
  --line:#E4EAE5;
  --bg:#F5F7F4;
  --bg-deep:#0B241F;
  --surface:#FFFFFF;
  --grad-ink:#06231B;
  --radius-sm:16px;
  --radius-md:20px;
  --radius-lg:26px;
  --radius-xl:28px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(11,36,31,.06);
  --shadow-2:0 18px 44px rgba(11,36,31,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.25s;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;background-color:transparent}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px}
button{font:inherit;border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time,.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25;font-weight:700}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;padding:6px 14px;border-radius:var(--radius-pill);background:rgba(124,214,63,.16);color:#0d6b4e;border:1px solid rgba(18,168,122,.28);margin-bottom:18px}
.eyebrow-light{background:rgba(18,168,122,.1);color:var(--brand-1);border-color:rgba(18,168,122,.24)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease),background-position var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);white-space:nowrap}
.btn-primary{background-image:var(--brand-grad);background-size:150% 150%;background-position:0% 50%;color:var(--grad-ink);box-shadow:0 10px 26px rgba(18,168,122,.32)}
.btn-primary:hover{background-position:100% 50%;transform:translateY(-2px);box-shadow:0 18px 40px rgba(18,168,122,.42)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--brand-1);background:rgba(18,168,122,.06);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0) scale(.98)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow var(--dur) var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(11,36,31,.07)}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:72px;transition:height var(--dur) var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap;transition:color var(--dur) var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link.is-active{color:var(--brand-1);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{position:relative;width:32px;height:32px;border-radius:11px;background-image:var(--brand-grad);box-shadow:0 8px 18px rgba(18,168,122,.34);flex:none}
.brand-mark::after{content:"";position:absolute;inset:10px;border-radius:3px;background:#fff;opacity:.92;transform:rotate(45deg)}
.brand-text{font-weight:800;font-size:18px;line-height:1;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand-short{display:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.nav-toggle:hover{border-color:var(--brand-1);background:rgba(18,168,122,.06)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle span+span{width:13px}

/* ---------- 移动端抽屉 ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(11,36,31,.5);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:79}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:#fff;z-index:80;transform:translateX(102%);transition:transform .32s var(--ease);display:flex;flex-direction:column;padding:22px;box-shadow:-16px 0 44px rgba(11,36,31,.18)}
.nav-drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:18px;line-height:1;display:inline-flex;align-items:center;justify-content:center;transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease)}
.drawer-close:hover{border-color:var(--brand-1);background:rgba(18,168,122,.06)}
.drawer-nav{margin-top:14px;display:flex;flex-direction:column;gap:4px}
.drawer-nav a{font-size:18px;padding:14px 12px;border-radius:14px;color:var(--ink);transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.drawer-nav a:hover{background:rgba(18,168,122,.08)}
.drawer-nav a.is-active{color:var(--brand-1);font-weight:700;background:rgba(18,168,122,.1)}
.drawer-cta{margin-top:auto;padding-top:24px}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--bg-deep);color:#EAF6EE;padding:56px 0 78px}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.3}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,36,31,.94) 0%,rgba(11,36,31,.74) 48%,rgba(18,168,122,.55) 100%)}
.hero-inner{position:relative;z-index:2;max-width:860px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(234,246,238,.7);margin-bottom:24px;flex-wrap:wrap}
.breadcrumb a{transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .current{color:var(--brand-3)}
.page-hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.16;font-weight:800;color:#fff;letter-spacing:-.01em}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.8;color:rgba(234,246,238,.84);max-width:640px}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.hero-facts{margin-top:38px;display:flex;gap:36px;flex-wrap:wrap}
.hero-facts li{font-size:13px;color:rgba(234,246,238,.68);line-height:1.6}
.hero-facts strong{display:block;font-size:22px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;margin-bottom:2px}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.hero-inner>*{animation:fadeUp .6s var(--ease) both}
.hero-inner>*:nth-child(2){animation-delay:.06s}
.hero-inner>*:nth-child(3){animation-delay:.12s}
.hero-inner>*:nth-child(4){animation-delay:.18s}
.hero-inner>*:nth-child(5){animation-delay:.24s}
.hero-inner>*:nth-child(6){animation-delay:.3s}

/* ---------- 目录 + 内容栅格 ---------- */
.guide-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:44px;align-items:start}
.toc{position:sticky;top:96px}
.toc-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-1);max-height:calc(100vh - 140px);overflow:auto}
.toc-title{font-size:15px;font-weight:700;color:var(--ink);padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:12px}
.toc-list li+li{margin-top:2px}
.toc-link{display:flex;align-items:baseline;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;line-height:1.6;color:var(--ink-2);transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.toc-link span{font-size:12px;font-weight:700;color:var(--brand-1);font-variant-numeric:tabular-nums}
.toc-link:hover{background:rgba(18,168,122,.07);color:var(--ink)}
.toc-link.is-active{background:rgba(18,168,122,.11);color:var(--brand-1);font-weight:600}
.guide-content{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.guide-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);scroll-margin-top:100px}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.guide-media{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background-image:var(--brand-grad)}
.guide-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.guide-card:hover .guide-media img{transform:scale(1.03)}
.chip{position:absolute;left:14px;top:14px;font-size:12px;letter-spacing:.02em;font-weight:600;padding:5px 12px;border-radius:var(--radius-pill);background:rgba(255,255,255,.93);color:#0d6b4e;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.guide-body{display:flex;flex-direction:column;gap:10px;padding:22px;flex:1}
.guide-title{font-size:20px;line-height:1.4;font-weight:700}
.guide-title a{transition:color var(--dur) var(--ease)}
.guide-title a:hover{color:var(--brand-1)}
.guide-desc{font-size:15px;line-height:1.8;color:var(--ink-2)}
.guide-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--ink-2)}
.meta-cat{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--radius-pill);background:rgba(18,168,122,.1);color:var(--brand-1);font-weight:600}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);flex:none}

/* ---------- 数据徽章带 ---------- */
.stat-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);padding:38px 32px;box-shadow:var(--shadow-1)}
.stat-item{text-align:center}
.stat-num{display:block;font-size:clamp(30px,4vw,42px);font-weight:800;line-height:1;background-image:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat-label{display:block;margin-top:10px;font-size:14px;color:var(--ink-2)}
.stat-note{margin-top:18px;text-align:center;font-size:13px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:880px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.faq-item[open]{box-shadow:var(--shadow-1);border-color:rgba(18,168,122,.34)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;padding:20px 58px 20px 30px;font-size:17px;font-weight:600;line-height:1.6;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background-image:var(--brand-grad)}
.faq-item summary::after{content:"";position:absolute;right:24px;top:24px;width:9px;height:9px;border-right:2px solid var(--ink-2);border-bottom:2px solid var(--ink-2);transform:rotate(45deg);transition:transform var(--dur) var(--ease),top var(--dur) var(--ease)}
.faq-item[open] summary::after{transform:rotate(-135deg);top:28px}
.faq-a{padding:0 30px 22px 30px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--bg-deep);color:#EAF6EE;padding:88px 0}
.cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.3}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,36,31,.94) 0%,rgba(11,36,31,.72) 55%,rgba(18,168,122,.55) 100%)}
.cta-inner{position:relative;z-index:2;max-width:780px}
.cta-band h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25;color:#fff}
.cta-band p{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(234,246,238,.82);max-width:640px}
.cta-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;overflow:hidden;background:var(--bg-deep);color:rgba(234,246,238,.78);padding:72px 0 0}
.site-footer::before{content:"";position:absolute;top:-170px;right:-130px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(124,214,63,.18),transparent 70%)}
.footer-grid{position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px}
.footer-brand .brand-text{color:#fff}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(234,246,238,.68);max-width:330px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li+li{margin-top:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(234,246,238,.7);transition:color var(--dur) var(--ease)}
.footer-col a:hover{color:var(--brand-3)}
.footer-bottom{position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(234,246,238,.55);flex-wrap:wrap}

/* ---------- 回到顶部 ---------- */
.back-top{position:fixed;right:24px;bottom:24px;z-index:70;width:48px;height:48px;border-radius:50%;background-image:var(--brand-grad);color:var(--grad-ink);display:inline-flex;align-items:center;justify-content:center;font-size:16px;box-shadow:0 12px 30px rgba(18,168,122,.4);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur) var(--ease)}
.back-top.is-visible{opacity:1;visibility:visible;transform:none}
.back-top:hover{transform:translateY(-3px)}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  .guide-layout{gap:34px;grid-template-columns:250px minmax(0,1fr)}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .header-inner{grid-template-columns:44px 1fr 44px}
  .nav-left,.nav-right{display:none}
  .brand{grid-column:2;justify-self:center}
  .nav-toggle{display:inline-flex;grid-column:3;justify-self:end}
  .brand-full{display:none}
  .brand-short{display:inline-flex;align-items:baseline;gap:5px;font-size:17px}
  .brand-short em{font-style:normal;font-size:11px;font-weight:500;color:var(--ink-2)}
  .guide-layout{grid-template-columns:minmax(0,1fr);gap:30px}
  .toc{position:static}
  .toc-card{max-height:none}
  .toc-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));padding:30px 24px;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero{padding:44px 0 62px}
}
@media (max-width:767px){
  .guide-content{grid-template-columns:minmax(0,1fr)}
  .hero-facts{gap:26px}
}
@media (max-width:639px){
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .page-hero{padding:36px 0 54px}
  .hero-lead{font-size:16px}
  .btn{width:100%;padding:0 20px}
  .hero-actions{gap:10px}
  .cta-actions{gap:10px}
  .toc-list{grid-template-columns:minmax(0,1fr)}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));padding:24px 18px;gap:22px}
  .footer-grid{grid-template-columns:minmax(0,1fr);text-align:center;gap:30px}
  .footer-brand .brand{justify-content:center}
  .footer-desc{margin-left:auto;margin-right:auto}
  .footer-bottom{flex-direction:column;text-align:center}
  .faq-item summary{font-size:16px;padding:18px 52px 18px 26px}
  .faq-a{padding:0 26px 20px 26px;font-size:15px}
  .back-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

/* roulang page: category2 */
:root{
  --brand-1:#12A87A;
  --brand-2:#7CD63F;
  --brand-3:#B8EC4A;
  --brand-grad:linear-gradient(135deg,#12A87A 0%,#7CD63F 55%,#B8EC4A 100%);
  --accent:#FF5B3D;
  --gold:#FFC53D;
  --ink:#0F1A17;
  --ink-2:#4A5A55;
  --line:#E4EAE5;
  --bg:#F5F7F4;
  --bg-deep:#0B241F;
  --surface:#FFFFFF;
  --r-sm:16px;
  --r-md:20px;
  --r-lg:24px;
  --r-xl:28px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(11,36,31,.06);
  --sh-hover:0 18px 44px rgba(11,36,31,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:96px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-en:"Inter","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px}
::selection{background:rgba(18,168,122,.22)}

.foundation-clean,.foundation-clean *{font-family:inherit}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease);
}

.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  height:72px;
  transition:height .25s var(--ease);
}

.site-header.is-compact .header-inner{height:60px}

.nav-side{display:flex;align-items:center;gap:28px;min-width:0}
.nav-right{justify-content:flex-end}

.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 2px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
  transition:color .25s var(--ease);
}
.nav-link:hover{color:var(--brand-1)}
.nav-link.is-active{color:var(--brand-1)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-8px;
  height:3px;
  border-radius:3px;
  background:var(--brand-grad);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:18px;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.brand-mark{
  position:relative;
  width:28px;height:28px;
  border-radius:9px;
  background:var(--brand-grad);
  box-shadow:0 6px 16px rgba(18,168,122,.35);
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:9px;
  border-radius:4px;
  background:rgba(255,255,255,.9);
}
.brand-text-short{display:none;align-items:baseline;gap:6px;font-size:17px;font-weight:800}
.brand-text-short em{font-style:normal;font-size:12px;font-weight:600;color:var(--brand-1);letter-spacing:.02em}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:18px;
  transition:.25s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1)}

/* ============ 抽屉 ============ */
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(11,36,31,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(86vw,380px);
  height:100%;
  background:var(--surface);
  padding:22px 22px 30px;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .32s var(--ease);
  box-shadow:-20px 0 60px rgba(11,36,31,.18);
}
.drawer.is-open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:12px}
.drawer-close{
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);
  transition:.25s var(--ease);
}
.drawer-close:hover{border-color:var(--brand-1);color:var(--brand-1)}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 6px;
  font-size:18px;
  font-weight:700;
  border-bottom:1px solid var(--line);
  color:var(--ink);
}
.drawer-nav a i{font-size:13px;color:var(--brand-1)}
.drawer-nav a.is-active{color:var(--brand-1)}
.drawer-cta{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:12px}
.drawer-note{font-size:13px;color:var(--ink-2);line-height:1.7}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:22px 0 0;
  font-size:13px;
  color:var(--ink-2);
}
.crumbs a:hover{color:var(--brand-1)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:var(--brand-1);font-weight:700}

/* ============ 小号 Hero ============ */
.page-hero{
  position:relative;
  padding:34px 0 48px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  top:-160px;right:-140px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(124,214,63,.28),rgba(18,168,122,0) 68%);
  filter:blur(6px);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:-120px;bottom:-180px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(18,168,122,.16),rgba(18,168,122,0) 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  background:rgba(18,168,122,.1);
  color:var(--brand-1);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.hero-badge i{font-size:12px}

.page-hero h1{
  margin:18px 0 16px;
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:920px;
}
.hero-sub{
  max-width:700px;
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease),background-position .25s var(--ease);
}
.btn i{font-size:14px}

.btn-primary{
  background:var(--brand-grad);
  background-size:150% 150%;
  background-position:0 0;
  color:#06231B;
  box-shadow:0 10px 26px rgba(18,168,122,.28);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 18px 38px rgba(18,168,122,.36);
  background-position:8% 0;
}
.btn-primary:active{transform:translateY(0) scale(.98)}

.btn-ghost{
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink);
}
.btn-ghost:hover{
  border-color:var(--brand-1);
  background:rgba(18,168,122,.06);
  color:var(--brand-1);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0) scale(.98)}

.btn-light{
  background:transparent;
  border:1px solid rgba(255,255,255,.32);
  color:#EAF6EE;
}
.btn-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}

.btn-sm{height:42px;padding:0 20px;font-size:14px}

/* ============ 标签筛选条 ============ */
.tagbar{
  position:relative;
  z-index:1;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:16px 0;
  background:rgba(255,255,255,.6);
}
.tagbar-inner{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  padding:2px 2px 6px;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.tagbar-inner::-webkit-scrollbar{display:none}
.tag-chip{
  flex:0 0 auto;
  scroll-snap-align:start;
  padding:9px 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  transition:.25s var(--ease);
}
.tag-chip:hover{border-color:var(--brand-1);color:var(--brand-1);background:rgba(18,168,122,.06)}
.tag-chip.is-on{
  background:var(--brand-grad);
  color:#06231B;
  border-color:transparent;
  box-shadow:0 8px 20px rgba(18,168,122,.24);
}
.tagbar-note{
  font-size:13px;
  color:var(--ink-2);
  padding-top:2px;
  white-space:nowrap;
}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.sec-head h2{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
}
.sec-head h2 .grad{
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.sec-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-2);
  max-width:660px;
}
.sec-head .sec-link{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:700;
  color:var(--brand-1);
  padding-bottom:4px;
}
.sec-head .sec-link:hover{gap:11px}

/* ============ 数据徽章带 ============ */
.stats-band{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  padding:28px 30px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
}
.stat{padding:4px 2px;border-left:2px solid transparent;padding-left:16px}
.stat:first-child{border-left:0;padding-left:4px}
.stat b{
  display:block;
  font-family:var(--font-en);
  font-size:30px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
  font-feature-settings:"tnum";
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--ink-2);line-height:1.6}
.stat small{display:block;margin-top:8px;font-size:12px;color:var(--ink-2);opacity:.8}

/* ============ 双列大卡 ============ */
.duo-list{display:grid;gap:24px}
.duo-card{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.duo-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.duo-media{
  position:relative;
  min-height:268px;
  overflow:hidden;
  background:linear-gradient(135deg,#12A87A,#7CD63F);
}
.duo-media img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.duo-card:hover .duo-media img{transform:scale(1.03)}
.duo-media::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:60%;
  background:linear-gradient(180deg,rgba(11,36,31,0),rgba(11,36,31,.55));
  pointer-events:none;
}
.duo-tag{
  position:absolute;
  left:16px;top:16px;
  z-index:2;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);
  color:var(--brand-1);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.duo-cap{
  position:absolute;
  left:18px;right:18px;bottom:16px;
  z-index:2;
  font-size:13px;
  color:#EAF6EE;
  opacity:.92;
}
.duo-body{padding:30px 32px;display:flex;flex-direction:column;gap:14px}
.duo-body h3{font-size:21px;font-weight:700;line-height:1.45;letter-spacing:-.01em}
.duo-body h3 a:hover{color:var(--brand-1)}
.duo-body p{font-size:15px;color:var(--ink-2);line-height:1.85}
.duo-points{display:flex;flex-direction:column;gap:8px}
.duo-points li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.75;
}
.duo-points li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--brand-grad);
}
.duo-foot{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.duo-meta{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--ink-2);
  font-feature-settings:"tnum";
}
.duo-meta i{color:var(--brand-1);margin-right:5px}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:700;
  color:var(--brand-1);
  white-space:nowrap;
}
.link-arrow:hover{gap:11px}

/* ============ 编号要点清单 ============ */
.num-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
}
.num-item{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:24px;
  padding:26px 30px;
  border-bottom:1px solid var(--line);
  transition:background-color .25s var(--ease);
}
.num-item:last-child{border-bottom:0}
.num-item:hover{background:rgba(18,168,122,.04)}
.num-index{
  font-family:var(--font-en);
  font-size:clamp(38px,4vw,56px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.03em;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-feature-settings:"tnum";
}
.num-text h3{font-size:19px;font-weight:700;margin-bottom:6px}
.num-text p{font-size:14px;color:var(--ink-2);line-height:1.8;max-width:760px}
.num-badge{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,197,61,.16);
  color:#8A5A00;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq-item[open]{box-shadow:var(--sh);border-color:rgba(18,168,122,.3)}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:20px 24px 20px 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:17px;
  font-weight:700;
  line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:15px;bottom:15px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--brand-grad);
}
.faq-arrow{
  flex:0 0 auto;
  color:var(--brand-1);
  font-size:14px;
  transition:transform .25s var(--ease);
}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-answer{
  padding:0 30px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:820px;
}

/* ============ 深色 CTA 带 ============ */
.cta-wrap{padding:0 0 var(--sec)}
.cta-band{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--bg-deep);
  color:#EAF6EE;
  padding:60px 48px;
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:36px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.28;
  z-index:-2;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(11,36,31,.94) 0%,rgba(11,36,31,.78) 55%,rgba(11,36,31,.6) 100%);
  z-index:-1;
}
.cta-band h2{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:14px;
  color:#F2FBF5;
}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(234,246,238,.82);max-width:620px}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.cta-actions .btn{width:100%}
.cta-hint{font-size:13px;color:rgba(234,246,238,.66);line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--bg-deep);
  color:#EAF6EE;
  padding:72px 0 0;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-180px;right:-120px;
  width:480px;height:480px;
  border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(124,214,63,.16),rgba(124,214,63,0) 70%);
  pointer-events:none;
}
.site-footer::after{
  content:"";
  position:absolute;
  left:-140px;bottom:-200px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(18,168,122,.14),rgba(18,168,122,0) 70%);
  pointer-events:none;
}
.footer-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:52px;
}
.footer-brand .brand{color:#F2FBF5;font-size:18px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:0 6px 18px rgba(18,168,122,.45)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(234,246,238,.72);max-width:340px}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  color:#F2FBF5;
  margin-bottom:18px;
  letter-spacing:-.01em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li a,
.footer-col li span{
  font-size:14px;
  color:rgba(234,246,238,.72);
  line-height:1.7;
}
.footer-col li a:hover{color:var(--brand-3)}
.footer-bottom{
  position:relative;
  z-index:1;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(234,246,238,.6);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;
  right:24px;
  bottom:28px;
  z-index:70;
  width:48px;height:48px;
  border-radius:50%;
  background:var(--brand-grad);
  color:#06231B;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  box-shadow:0 12px 28px rgba(18,168,122,.34);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{transform:translateY(-3px)}

/* ============ 动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none !important;transition-duration:.001ms !important}
}

/* ============ 断点 ============ */
@media (max-width:1100px){
  .brand-text{display:none}
  .brand-text-short{display:inline-flex}
  .nav-side{gap:20px}
  .nav-link{font-size:14px}
}

@media (max-width:1024px){
  :root{--sec:72px}
  .container{padding:0 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:48px 36px}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .stat:nth-child(3){border-left:0;padding-left:4px}
}

@media (max-width:960px){
  .nav-side{display:none}
  .header-inner{display:flex;align-items:center;justify-content:space-between}
  .nav-toggle{display:inline-flex}
  .brand-text{display:inline}
  .brand-text-short{display:none}
  .duo-card{grid-template-columns:1fr}
  .duo-media{min-height:0;aspect-ratio:16/10}
  .num-item{grid-template-columns:auto minmax(0,1fr);gap:18px;padding:22px 22px}
  .num-badge{grid-column:2;justify-self:start}
}

@media (max-width:768px){
  :root{--sec:56px}
  .page-hero{padding:26px 0 36px}
  .hero-sub{font-size:16px}
  .section{padding:var(--sec) 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .duo-body{padding:24px 22px}
  .faq-item summary{font-size:16px;padding:18px 18px 18px 24px}
  .faq-answer{padding:0 24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand{text-align:center}
  .footer-brand .brand{justify-content:center}
  .footer-desc{max-width:none}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center}
  .cta-band{padding:40px 24px}
}

@media (max-width:640px){
  .container{padding:0 20px}
  .stats-band{grid-template-columns:1fr;padding:22px 20px}
  .stat{border-left:0;padding-left:4px}
  .stat + .stat{border-top:1px solid var(--line);padding-top:16px}
  .to-top{right:16px;bottom:20px;width:44px;height:44px}
  .duo-foot{flex-direction:column;align-items:flex-start;gap:12px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
}

@media (max-width:520px){
  .brand{font-size:16px}
  .brand-mark{width:24px;height:24px;border-radius:8px}
  .brand-mark::after{inset:8px}
  .page-hero h1{font-size:clamp(26px,7vw,32px)}
  .num-item{padding:20px 18px}
  .num-index{font-size:36px}
  .cta-band{padding:34px 20px;border-radius:var(--r-lg)}
}