/* roulang page: index */
:root{
  --brand:#10A05A;
  --brand-deep:#07543B;
  --accent:#C8F135;
  --accent-warm:#FF7A45;
  --bg:#F6F8F4;
  --surface:#FFFFFF;
  --line:#E3EAE4;
  --ink:#0C1A14;
  --muted:#5B6B63;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(7,84,59,.06);
  --sh-2:0 16px 40px -12px rgba(7,84,59,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --grad:linear-gradient(135deg,#10A05A,#C8F135);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS 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{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
button{font: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}
h1,h2,h3,h4{font-weight:700;line-height:1.25;letter-spacing:-.015em}
input,textarea{font:inherit}
::selection{background:rgba(200,241,53,.5)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-dark{background:radial-gradient(120% 120% at 15% 10%,#0E5C42 0%,#071A13 70%);color:#fff}

.h1{font-size:clamp(2.1rem,5vw,3.6rem);line-height:1.15;font-weight:800;letter-spacing:-.025em}
.h2{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.25;font-weight:700;letter-spacing:-.02em}
.h3{font-size:1.25rem;line-height:1.4;font-weight:600}
.lead{font-size:17px;line-height:1.9;color:var(--muted)}
.small{font-size:13px;line-height:1.6;color:var(--muted)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tnum{font-variant-numeric:tabular-nums}

.section-head{max-width:760px;margin-bottom:40px}
.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:600;color:var(--brand);
  background:#EAF7F0;border:1px solid #D3EEDF;border-radius:999px;
  padding:5px 14px;margin-bottom:16px;letter-spacing:.01em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* ---------- 导航 ---------- */
.nav-wrap{position:sticky;top:16px;z-index:60;padding:0 0 0}
.nav-bar{
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:999px;
  padding:9px 12px 9px 18px;box-shadow:var(--sh-1);
}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--brand-deep);white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#062B1D;font-size:15px;font-weight:800;flex:none;
  box-shadow:0 6px 16px -6px rgba(16,160,90,.7);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:999px;font-size:14.5px;color:var(--muted);
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-link:hover{color:var(--brand-deep);background:#F1FAF5}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#10A05A,#C8F135);
}
.nav-cta{margin-left:8px}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex:none;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-deep);transition:.25s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--brand-deep);transition:.25s var(--ease)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:rotate(45deg);top:0}
.nav-toggle.open span::after{transform:rotate(-45deg);top:0}
.mobile-panel{
  display:none;margin-top:12px;background:#fff;border:1px solid var(--line);
  border-radius:24px;padding:12px;box-shadow:var(--sh-2);
}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;height:44px;
  padding:0 14px;border-radius:16px;font-size:15px;color:var(--ink);
}
.mobile-panel a:hover{background:#F1FAF5;color:var(--brand-deep)}
.mobile-panel .mobile-cta{margin-top:8px;justify-content:center;background:var(--grad);color:#062B1D;font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{background:var(--grad);color:#062B1D;box-shadow:0 8px 22px -10px rgba(16,160,90,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.03)}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand-deep)}
.btn-outline:hover{background:#F1FAF5;transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow:hover{color:var(--brand-deep)}
.link-arrow span{transition:transform .25s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:999px;
  background:#F1FAF5;color:var(--brand-deep);border:1px solid #D9EFE4;
}
.badge-lime{background:rgba(200,241,53,.28);border-color:rgba(200,241,53,.7);color:#2C4A0B}
.badge-warm{background:rgba(255,122,69,.12);border-color:rgba(255,122,69,.32);color:#B8410E}
.badge-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24);color:#fff}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background-image:linear-gradient(180deg,rgba(246,248,244,.88) 0%,rgba(246,248,244,.99) 72%),url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 420px at 88% 4%,rgba(16,160,90,.16),transparent 68%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.035;
  background-image:linear-gradient(#07543B 1px,transparent 1px),linear-gradient(90deg,#07543B 1px,transparent 1px);
  background-size:52px 52px;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-title{margin-bottom:20px}
.hero-sub{font-size:17px;line-height:1.9;color:var(--muted);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px}
.trust-chip{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);
  background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:999px;padding:7px 14px;
}
.trust-chip i{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:none}
.trust-chip.accent i{background:var(--accent-warm)}
.hero-visual{position:relative}
.hero-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px;
  border:1px solid rgba(16,160,90,.3);
  box-shadow:0 26px 64px -22px rgba(9,110,66,.5),0 0 0 6px rgba(16,160,90,.06);
}
.float-badge{
  position:absolute;display:flex;flex-direction:column;gap:2px;
  background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-2);
}
.fb-1{left:-18px;bottom:30px}
.fb-2{right:-16px;top:28px}
.fb-num{font-size:22px;font-weight:800;color:var(--brand-deep);line-height:1.2}
.fb-unit{font-size:12px;font-weight:600;color:var(--brand);margin-left:3px}
.fb-label{font-size:12px;color:var(--muted)}

/* ---------- 数据条 ---------- */
.stat-bar{
  margin-top:46px;border-radius:var(--r-xl);padding:32px;
  background:radial-gradient(120% 120% at 15% 10%,#0E5C42 0%,#071A13 70%);
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  box-shadow:0 24px 50px -26px rgba(7,26,19,.8);
}
.stat-item{padding-left:18px;border-left:1px solid rgba(255,255,255,.14)}
.stat-item:first-child{padding-left:0;border-left:0}
.stat-num{font-size:clamp(1.7rem,3vw,2.2rem);font-weight:800;color:var(--accent);line-height:1.15}
.stat-label{font-size:13px;color:rgba(255,255,255,.66);margin-top:4px}

/* ---------- 价值块 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.4)}
.v-lg{grid-column:span 7;display:flex;flex-direction:column;gap:18px;padding:32px}
.v-sm{grid-column:span 5;display:flex;flex-direction:column;gap:14px}
.v-media{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.v-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.icon-box{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;flex:none;
  border:1.5px solid rgba(16,160,90,.42);color:var(--brand);background:rgba(16,160,90,.06);
  font-size:20px;font-weight:700;
}
.v-title{font-size:1.25rem;font-weight:600;margin-bottom:8px}
.v-text{font-size:15px;line-height:1.85;color:var(--muted)}
.v-list{margin-top:6px;display:flex;flex-direction:column;gap:10px}
.v-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted)}
.v-list li::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--brand);margin-top:9px;flex:none}

/* ---------- 截图轮播 ---------- */
.shot-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.shot-nav{display:flex;gap:10px;flex:none}
.shot-btn{
  width:46px;height:46px;border-radius:50%;border:1px solid var(--brand);
  color:var(--brand-deep);background:#fff;display:grid;place-items:center;font-size:18px;
  transition:.25s var(--ease);
}
.shot-btn:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.shot-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.shot-track{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 22px;scrollbar-width:none;-ms-overflow-style:none;
}
.shot-track::-webkit-scrollbar{display:none}
.shot-card{
  position:relative;flex:0 0 auto;width:min(78vw,360px);scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.shot-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.shot-card img{width:100%;aspect-ratio:9/13;object-fit:cover}
.shot-index{
  position:absolute;left:16px;top:16px;background:rgba(12,26,20,.72);color:#fff;
  font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.shot-body{padding:18px 20px 22px}
.shot-body h3{font-size:16px;font-weight:600;margin-bottom:6px}
.shot-body p{font-size:13.5px;color:var(--muted);line-height:1.7}
.dots{display:flex;gap:8px;justify-content:center}
.dot-btn{width:8px;height:8px;border-radius:999px;background:#CFDCD4;transition:.25s var(--ease)}
.dot-btn.active{width:26px;background:var(--grad)}

/* ---------- 系统要求 ---------- */
.spec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);
}
.spec-row{
  display:grid;grid-template-columns:200px 1fr;gap:20px;
  padding:18px 28px;border-top:1px solid var(--line);align-items:center;
}
.spec-row:first-child{border-top:0}
.spec-row:nth-child(odd){background:#FBFDFA}
.spec-key{font-size:14px;font-weight:600;color:var(--brand-deep)}
.spec-val{font-size:14.5px;color:var(--muted)}
.platform-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.platform-chip{
  display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--brand-deep);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 20px;box-shadow:var(--sh-1);
  transition:.25s var(--ease);
}
.platform-chip:hover{border-color:rgba(16,160,90,.5);transform:translateY(-2px)}
.platform-chip i{width:8px;height:8px;border-radius:50%;background:var(--grad);flex:none}

/* ---------- 评价墙 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.review-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.review-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--grad)}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.35)}
.review-card.offset{margin-top:28px}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:rgba(16,160,90,.12);color:var(--brand-deep);font-weight:700;font-size:15px;
  border:1px solid rgba(16,160,90,.2);
}
.review-name{font-size:15px;font-weight:600}
.review-meta{font-size:12.5px;color:var(--muted)}
.review-text{font-size:14.5px;line-height:1.85;color:var(--muted);margin:10px 0 14px}
.stars{display:flex;gap:2px;color:var(--accent);font-size:14px;letter-spacing:2px}

/* ---------- 下载区 ---------- */
.dl-band{
  border-radius:var(--r-xl);padding:56px;
  background:radial-gradient(120% 120% at 15% 10%,#0E5C42 0%,#071A13 70%);
  color:#fff;position:relative;overflow:hidden;
}
.dl-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,53,.22),transparent 68%);
}
.dl-band h2{color:#fff}
.dl-band p{color:rgba(255,255,255,.7)}
.dl-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px;position:relative;z-index:2}
.dl-btn{
  display:flex;flex-direction:column;gap:4px;padding:20px 22px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;
  transition:.25s var(--ease);text-align:left;
}
.dl-btn:hover{background:rgba(255,255,255,.14);transform:translateY(-3px);border-color:rgba(200,241,53,.5)}
.dl-btn .dl-main{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600}
.dl-btn .dl-sub{font-size:12.5px;color:rgba(255,255,255,.62)}
.dl-btn.primary{background:var(--grad);color:#062B1D;border-color:transparent}
.dl-btn.primary .dl-sub{color:rgba(6,43,29,.72)}
.dl-btn.primary:hover{filter:brightness(1.04)}
.dl-note{margin-top:22px;font-size:12.5px;color:rgba(255,255,255,.6);position:relative;z-index:2}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px}
.news-main{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.news-main:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.35)}
.news-main-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-main-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.news-main-title{font-size:1.15rem;font-weight:600;line-height:1.5}
.news-main-title:hover{color:var(--brand)}
.news-main-desc{
  font-size:14.5px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-side{display:flex;flex-direction:column;gap:16px}
.news-mini{
  display:flex;align-items:center;gap:16px;padding:20px 22px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);flex:1;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.news-mini:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.35)}
.news-mini-body{flex:1;min-width:0}
.news-mini-title{font-size:15px;font-weight:600;line-height:1.5;margin-bottom:6px}
.news-mini-title:hover{color:var(--brand)}
.news-mini-desc{
  font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-mini-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.news-mini-arrow{flex:none;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);color:var(--brand);transition:.25s var(--ease)}
.news-mini:hover .news-mini-arrow{background:var(--brand);color:#fff;border-color:var(--brand)}
.news-empty{
  display:flex;flex-direction:column;align-items:center;gap:12px;justify-content:center;
  padding:64px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  color:var(--muted);font-size:14.5px;text-align:center;
}
.news-empty-mark{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  background:rgba(16,160,90,.08);border:1px solid rgba(16,160,90,.22);color:var(--brand);font-size:22px;
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item.open{border-color:rgba(16,160,90,.34);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:15.5px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--brand-deep)}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-4px}
.faq-icon{position:relative;width:20px;height:20px;flex:none;transition:transform .25s var(--ease)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .3s var(--ease),opacity .3s var(--ease)}
.faq-item.open .faq-a{opacity:1}
.faq-a p{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:80px;background:#071A13;color:rgba(255,255,255,.72);
  border-top:4px solid transparent;
  background-image:linear-gradient(#071A13,#071A13),linear-gradient(90deg,#10A05A,#C8F135);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.footer-top{padding:64px 0 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:16px}
.footer-brand .logo-mark{box-shadow:none}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a,.footer-list span{font-size:14px;color:rgba(255,255,255,.62);transition:.25s var(--ease)}
.footer-list a:hover{color:#fff;box-shadow:inset 0 -1px 0 var(--accent)}
.footer-bottom{
  padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 悬浮下载条 ---------- */
.float-dl{
  position:fixed;left:50%;bottom:18px;transform:translate(-50%,24px);
  z-index:70;opacity:0;pointer-events:none;
  background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:999px;padding:8px 10px 8px 22px;
  box-shadow:var(--sh-2);transition:opacity .3s var(--ease),transform .3s var(--ease);
  max-width:calc(100% - 32px);
}
.float-dl.show{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.float-dl-inner{display:flex;align-items:center;gap:16px}
.float-dl-text{font-size:13.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-sub{max-width:none}
  .hero-visual{max-width:560px}
  .value-grid{grid-template-columns:1fr}
  .v-lg,.v-sm{grid-column:span 1}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .review-card.offset{margin-top:0}
  .news-grid{grid-template-columns:1fr}
  .dl-buttons{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .spec-row{grid-template-columns:180px 1fr}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:52px 0}
  .hero{padding:44px 0 56px}
  .stat-bar{grid-template-columns:1fr 1fr;padding:26px 22px;gap:18px}
  .stat-item{padding-left:0;border-left:0}
  .dl-band{padding:36px 24px}
  .shot-head{flex-direction:column;align-items:flex-start;gap:18px}
  .float-badge{padding:10px 13px}
  .fb-1{left:8px;bottom:12px}
  .fb-2{right:8px;top:12px}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-top:48px}
  .site-footer{margin-top:56px}
}
@media (max-width:520px){
  .nav-bar{padding:8px 10px 8px 12px}
  .logo{font-size:15px}
  .stat-bar{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .dl-buttons{grid-template-columns:1fr}
  .float-dl{left:12px;right:12px;transform:translateY(24px);max-width:none;padding:8px 8px 8px 16px}
  .float-dl.show{transform:translateY(0)}
  .float-dl-text{font-size:12.5px}
  .review-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --brand:#10A05A;
  --brand-deep:#07543B;
  --accent:#C8F135;
  --accent-warm:#FF7A45;
  --bg:#F6F8F4;
  --surface:#FFFFFF;
  --line:#E3EAE4;
  --ink:#0C1A14;
  --muted:#5B6B63;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(7,84,59,.06);
  --sh-2:0 16px 40px -12px rgba(7,84,59,.18);
  --grad:linear-gradient(135deg,#10A05A,#C8F135);
  --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:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(560px 460px at 88% -6%, rgba(16,160,90,.15), transparent 70%),
    radial-gradient(420px 380px at 2% 22%, rgba(200,241,53,.16), transparent 72%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
: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;position:relative;z-index:1;}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:14px;z-index:80;padding:0 16px;margin-bottom:8px;}
.nav-bar{
  max-width:1160px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 12px 10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--brand-deep);white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;border-radius:12px;
  background:var(--grad);
  color:#04321F;font-weight:800;font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -6px rgba(16,160,90,.6);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:nowrap;}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:14px;
  color:var(--muted);
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-deep);background:rgba(16,160,90,.09);}
.nav-link.active{color:var(--brand-deep);font-weight:600;background:rgba(16,160,90,.10);}
.nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#10A05A,#C8F135);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;
  padding:12px 22px;font-size:15px;
  border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{background:var(--grad);color:#04321F;box-shadow:0 10px 24px -12px rgba(16,160,90,.85);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px -14px rgba(16,160,90,.9);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#FFFFFF;border-color:var(--line);color:var(--brand-deep);}
.btn-ghost:hover{border-color:rgba(16,160,90,.45);transform:translateY(-2px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#FFFFFF;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.nav-cta{white-space:nowrap;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-deep);}
.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-deep);}
.nav-toggle span::before{transform:translateY(-6px);}
.nav-toggle span::after{transform:translateY(4px);}

/* ============ 文章头部 ============ */
.article-hero{padding:44px 0 8px;}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{opacity:.55;}
.crumbs .current{color:var(--brand-deep);font-weight:600;}
.article-head{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:38px 40px;
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
}
.article-head::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;
  background:linear-gradient(90deg,#10A05A,#C8F135,#10A05A);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-soft{background:rgba(16,160,90,.10);color:var(--brand-deep);}
.badge-lime{background:rgba(200,241,53,.35);color:#3E5210;}
.badge-warm{background:rgba(255,122,69,.14);color:#B8400F;}
.article-title{
  font-size:clamp(1.7rem,3.4vw,2.6rem);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  margin:18px 0 0;
  color:var(--ink);
}
.article-lead{
  margin-top:14px;
  font-size:16px;
  color:var(--muted);
  max-width:820px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:22px;font-size:13px;color:var(--muted);
}
.article-meta .dot{opacity:.5;}
.article-cover{
  margin-top:26px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/7;
  background:#EDF2EE;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ============ 文章布局 ============ */
.article-main{padding:36px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start;}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:40px 44px 34px;
  box-shadow:var(--sh-1);
}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--ink);}
.article-body p{margin:0 0 1.1em;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  font-size:clamp(1.25rem,2.2vw,1.55rem);
  font-weight:700;
  line-height:1.4;
  margin:1.9em 0 .75em;
  padding-left:16px;
  color:var(--brand-deep);
  scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,#10A05A,#C8F135);
}
.article-body h3{
  font-size:1.18rem;font-weight:700;color:var(--brand-deep);
  margin:1.5em 0 .55em;scroll-margin-top:110px;
}
.article-body h4{font-size:1.02rem;font-weight:700;margin:1.3em 0 .4em;color:var(--ink);}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(16,160,90,.35);}
.article-body a:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep);}
.article-body strong{color:var(--brand-deep);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:2px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.article-body ol{list-style:decimal;padding-left:22px;}
.article-body ol li{margin-bottom:.5em;padding-left:4px;}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:1.5em 0;
  padding:18px 22px;
  background:rgba(16,160,90,.07);
  border-left:3px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--muted);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:1.4em auto;width:100%;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body code{
  background:#F1F4F1;border:1px solid var(--line);
  border-radius:6px;padding:2px 6px;font-size:.9em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#F1F4F1;border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px 18px;overflow-x:auto;margin:1.4em 0;
  font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;border:none;padding:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;display:block;overflow-x:auto;
  font-size:15px;border:1px solid var(--line);border-radius:var(--r-md);
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.article-body th{background:#F2F6F2;color:var(--brand-deep);font-weight:700;}
.article-body tr:last-child td{border-bottom:none;}
.article-body hr{border:none;height:1px;background:var(--line);margin:2em 0;}
.article-empty{
  text-align:center;padding:56px 20px;
}
.article-empty .empty-mark{
  width:64px;height:64px;border-radius:20px;margin:0 auto 18px;
  background:rgba(16,160,90,.10);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;
}
.article-empty h2{font-size:1.25rem;color:var(--ink);margin-bottom:10px;padding:0;}
.article-empty h2::before{display:none;}
.article-empty p{color:var(--muted);margin-bottom:22px;}

/* ============ 侧栏 ============ */
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-1);
  margin-bottom:20px;
}
.side-sticky{position:sticky;top:104px;}
.side-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-bottom:14px;}
.toc-list{display:flex;flex-direction:column;gap:4px;}
.toc-list a{
  font-size:14px;color:var(--muted);padding:8px 10px;border-radius:10px;border-left:2px solid transparent;
}
.toc-list a:hover{background:rgba(16,160,90,.08);color:var(--brand-deep);border-left-color:var(--brand);}
.side-facts{display:flex;flex-direction:column;gap:0;}
.fact-row{
  display:flex;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.fact-row:last-child{border-bottom:none;}
.fact-row span:first-child{color:var(--muted);}
.fact-row span:last-child{font-weight:600;color:var(--brand-deep);font-variant-numeric:tabular-nums;}
.side-links{display:flex;flex-direction:column;gap:8px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:14px;padding:10px 12px;border-radius:12px;border:1px solid var(--line);color:var(--brand-deep);
}
.side-links a:hover{border-color:rgba(16,160,90,.5);background:rgba(16,160,90,.06);transform:translateX(2px);}

/* ============ 标签 / 相关 / 上下篇 ============ */
.tag-row{max-width:760px;margin:34px auto 0;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:#F2F6F2;border:1px solid var(--line);color:var(--brand-deep);
}
.tag:hover{border-color:rgba(16,160,90,.5);background:rgba(16,160,90,.08);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{font-size:clamp(1.35rem,2.6vw,1.85rem);font-weight:700;color:var(--ink);}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px;}
.section-head a{font-size:14px;color:var(--brand);font-weight:600;white-space:nowrap;}
.section-head a:hover{color:var(--brand-deep);}
.related{padding:8px 0 72px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.35);}
.card-thumb{aspect-ratio:16/10;overflow:hidden;background:#EDF2EE;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:1.05rem;font-weight:700;line-height:1.5;color:var(--ink);}
.card-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.card-meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px;}
.post-nav-item{
  display:flex;flex-direction:column;gap:6px;
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);
  box-shadow:var(--sh-1);
}
.post-nav-item:hover{border-color:rgba(16,160,90,.45);transform:translateY(-2px);box-shadow:var(--sh-2);}
.post-nav-item span{font-size:12px;color:var(--muted);letter-spacing:.06em;}
.post-nav-item strong{font-size:15px;color:var(--brand-deep);}
.back-cat{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:14px;color:var(--brand);font-weight:600;
}
.back-cat:hover{color:var(--brand-deep);}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 80px;}
.cta{
  border-radius:var(--r-xl);
  padding:52px 44px;
  background:radial-gradient(120% 120% at 15% 10%, #0E5C42 0%, #071A13 70%);
  color:#fff;
  overflow:hidden;
  position:relative;
}
.cta::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle, rgba(200,241,53,.22), transparent 65%);
}
.cta h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:800;line-height:1.3;}
.cta p{margin-top:14px;color:rgba(255,255,255,.78);max-width:640px;font-size:16px;}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;z-index:1;}
.cta-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.62);}

/* ============ 页脚 ============ */
.site-footer{
  background:#071A13;
  color:rgba(255,255,255,.78);
  padding:0 0 30px;
  position:relative;
  z-index:1;
}
.site-footer::before{
  content:"";display:block;height:4px;width:100%;
  background:linear-gradient(90deg,#10A05A,#C8F135);
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding:56px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px;}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-list a,.footer-list span{color:rgba(255,255,255,.68);}
.footer-list a:hover{color:#fff;box-shadow:inset 0 -2px 0 0 var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-bar{position:relative;flex-wrap:wrap;padding:10px 12px;}
  .nav-links{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:10px;box-shadow:var(--sh-2);margin-left:0;
  }
  .nav-bar.nav-open .nav-links{display:flex;}
  .nav-link{height:44px;display:flex;align-items:center;border-radius:14px;}
  .nav-link.active::after{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .side-sticky{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px;}
}
@media (max-width:768px){
  .article-hero{padding:28px 0 4px;}
  .article-head{padding:26px 22px;border-radius:var(--r-lg);}
  .article-main{padding:26px 0 52px;}
  .article-card{padding:26px 20px;border-radius:var(--r-lg);}
  .article-body{font-size:16px;line-height:1.85;}
  .cta{padding:36px 24px;border-radius:var(--r-lg);}
  .cta-wrap{padding:0 0 56px;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .post-nav{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .logo{font-size:15px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-top{grid-template-columns:1fr;}
  .cta-btns .btn{width:100%;}
  .article-meta{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand:#10A05A;
  --brand-deep:#07543B;
  --accent:#C8F135;
  --accent-warm:#FF7A45;
  --bg:#F6F8F4;
  --surface:#FFFFFF;
  --line:#E3EAE4;
  --ink:#0C1A14;
  --muted:#5B6B63;
  --r-sm:12px; --r-md:18px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  --sh-1:0 2px 8px rgba(7,84,59,.06);
  --sh-2:0 16px 40px -12px rgba(7,84,59,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --grad:linear-gradient(135deg,#10A05A,#C8F135);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.2px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

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

/* ---------- 导航 ---------- */
.nav-wrap{position:sticky;top:16px;z-index:60;padding:0 16px}
.nav-bar{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 20px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  position:relative;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--brand-deep);white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,#10A05A,#07543B);
  color:#fff;display:grid;place-items:center;
  font-size:16px;font-weight:800;flex:none;
  box-shadow:0 4px 12px rgba(16,160,90,.3);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--muted);
  transition:color .25s var(--ease),background .25s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-deep);background:rgba(16,160,90,.08)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,#10A05A,#C8F135);
}
.nav-cta{margin-left:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:14px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;margin-left:auto;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--brand-deep);border-radius:2px;
  position:relative;transition:.25s var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-deep);border-radius:2px;transition:.25s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;
  padding:13px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px -10px rgba(16,160,90,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(16,160,90,.8)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-deep)}
.btn-ghost:hover{background:rgba(16,160,90,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--brand-deep)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(0,0,0,.4)}

/* ---------- 页头 ---------- */
.page-head{
  margin:72px 0 0;
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:radial-gradient(120% 120% at 15% 10%, #0E5C42 0%, #071A13 70%);
  color:#fff;
  padding:52px 44px 48px;
  box-shadow:var(--sh-2);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.22;mix-blend-mode:luminosity;
}
.page-head-inner{position:relative;z-index:2;max-width:820px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.5}
.page-head h1{
  font-size:clamp(2.1rem,5vw,3.3rem);
  line-height:1.15;font-weight:800;letter-spacing:.4px;
}
.page-head h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-lead{margin-top:16px;font-size:17px;color:rgba(255,255,255,.82);max-width:660px}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.head-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  font-size:13px;color:rgba(255,255,255,.9);
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0 0}
.section-head{max-width:720px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--brand);font-weight:700;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.3rem);color:var(--brand-deep)}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px}

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 28px;
  box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.32)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(16,160,90,.1);color:var(--brand-deep);
}
.badge-lime{background:rgba(200,241,53,.28);color:#3C5208}
.badge-warm{background:rgba(255,122,69,.14);color:#B84A1E}

/* ---------- 主栅格 ---------- */
.layout-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:24px;align-items:start}

/* 步骤块 */
.step{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  margin-bottom:24px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.3)}
.step-media{position:relative;aspect-ratio:16/8;overflow:hidden;background:#0E5C42}
.step-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.step:hover .step-media img{transform:scale(1.04)}
.step-num{
  position:absolute;left:20px;top:20px;
  width:44px;height:44px;border-radius:14px;
  background:var(--grad);color:#fff;font-weight:800;font-size:18px;
  display:grid;place-items:center;box-shadow:0 10px 22px -10px rgba(16,160,90,.9);
}
.step-body{padding:26px 28px 28px}
.step-body h3{font-size:1.25rem;color:var(--brand-deep);margin-bottom:10px;font-weight:600}
.step-body p{color:var(--muted);font-size:15.5px}
.tick-list{margin-top:16px;display:grid;gap:10px}
.tick-list li{position:relative;padding-left:24px;font-size:14.8px;color:var(--ink)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:9px;height:9px;border-radius:3px;background:var(--brand);
}

/* 侧栏信息卡 */
.side-card{
  position:sticky;top:104px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:1.05rem;color:var(--brand-deep);margin-bottom:14px;font-weight:700}
.spec-row{
  display:flex;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px solid var(--line);font-size:14.2px;
}
.spec-row:last-of-type{border-bottom:none}
.spec-row span:first-child{color:var(--muted)}
.spec-row span:last-child{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.side-card .btn{width:100%;margin-top:18px}
.side-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.7}

/* 环境卡 */
.env-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.env-card{display:flex;flex-direction:column;gap:12px}
.env-icon{
  width:46px;height:46px;border-radius:15px;
  display:grid;place-items:center;font-size:20px;
  background:rgba(16,160,90,.1);color:var(--brand-deep);
}
.env-card h3{font-size:1.08rem;color:var(--brand-deep);font-weight:600}
.env-card p{color:var(--muted);font-size:14.8px}
.env-card .badge{align-self:flex-start}

/* 类型选择 大卡 */
.channel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.channel-card{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.3)}
.channel-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md)}
.channel-card h3{font-size:1.1rem;color:var(--brand-deep);font-weight:600;margin-bottom:8px}
.channel-card p{font-size:14.6px;color:var(--muted)}

/* 启动要点 */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:20px;border-radius:var(--r-md);
  background:rgba(255,255,255,.7);border:1px solid var(--line);
}
.check-mark{
  width:30px;height:30px;border-radius:10px;flex:none;
  display:grid;place-items:center;font-weight:800;font-size:14px;
  background:rgba(200,241,53,.35);color:#3C5208;
}
.check-item h3{font-size:1rem;color:var(--brand-deep);font-weight:600;margin-bottom:6px}
.check-item p{font-size:14.4px;color:var(--muted)}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:start}
.faq{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq.open{border-color:rgba(16,160,90,.4);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:0;cursor:pointer;
  font-size:15.6px;font-weight:600;color:var(--brand-deep);text-align:left;
}
.faq-q .plus{
  width:26px;height:26px;border-radius:9px;flex:none;position:relative;
  background:rgba(16,160,90,.1);transition:transform .25s var(--ease),background .25s var(--ease);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-q .plus::before{width:12px;height:2px}
.faq-q .plus::after{width:2px;height:12px}
.faq.open .plus{transform:rotate(45deg);background:rgba(200,241,53,.4)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 22px 22px;font-size:14.8px;color:var(--muted)}

/* CTA */
.cta-block{
  margin-top:80px;
  border-radius:var(--r-xl);
  padding:56px 44px;
  background:radial-gradient(120% 120% at 15% 10%, #0E5C42 0%, #071A13 70%);
  color:#fff;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,53,.22),transparent 68%);
}
.cta-block h2{font-size:clamp(1.6rem,3vw,2.2rem);position:relative;z-index:2}
.cta-block p{margin-top:14px;color:rgba(255,255,255,.78);position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
.cta-btn{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left}
.cta-btn small{font-size:11.8px;opacity:.78;font-weight:500}
.cta-tip{margin-top:20px;font-size:13px;color:rgba(255,255,255,.6);position:relative;z-index:2}

/* 页脚 */
.site-footer{
  margin-top:96px;
  background:#071A13;color:rgba(255,255,255,.72);
  border-top:4px solid transparent;
  background-image:linear-gradient(#071A13,#071A13),linear-gradient(90deg,#10A05A,#C8F135);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
  padding:60px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;font-size:17px;margin-bottom:14px}
.footer-desc{font-size:14.2px;color:rgba(255,255,255,.6);max-width:340px}
.footer-title{color:#fff;font-weight:600;font-size:15px;margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:11px;font-size:14.2px}
.footer-list a{color:rgba(255,255,255,.68);transition:color .25s var(--ease)}
.footer-list a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .layout-grid{grid-template-columns:1fr}
  .side-card{position:static}
  .env-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-block{grid-template-columns:1fr;padding:44px 32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(255,255,255,.96);backdrop-filter:blur(14px);
    border:1px solid var(--line);border-radius:var(--r-lg);
    padding:14px;box-shadow:var(--sh-2);
  }
  .nav-links.open{display:flex}
  .nav-link{padding:12px 14px;min-height:44px;display:flex;align-items:center}
  .nav-link.active::after{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .section{padding:64px 0 0}
  .page-head{padding:38px 24px 36px;margin-top:56px}
  .channel-grid,.check-grid,.faq-wrap,.env-grid{grid-template-columns:1fr}
  .channel-card{grid-template-columns:1fr}
  .channel-card img{aspect-ratio:16/9}
  .cta-block{margin-top:64px;padding:36px 24px}
  .footer-top{grid-template-columns:1fr;padding:44px 0 32px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .page-head h1{font-size:1.9rem}
  .card,.step-body{padding:22px 20px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .head-tags{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --brand:#10A05A;
  --brand-deep:#07543B;
  --accent:#C8F135;
  --accent-warm:#FF7A45;
  --bg:#F6F8F4;
  --surface:#FFFFFF;
  --line:#E3EAE4;
  --ink:#0C1A14;
  --muted:#5B6B63;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(7,84,59,.06);
  --sh-2:0 16px 40px -12px rgba(7,84,59,.18);
  --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:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-sm{padding:56px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-deep);background:rgba(16,160,90,.1);
  padding:7px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
.section-title{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;color:var(--ink);letter-spacing:-.01em}
.section-sub{color:var(--muted);font-size:16.5px;max-width:720px;margin-top:14px}
.section-head{margin-bottom:36px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:60;padding:0 24px}
.nav-bar{
  display:flex;align-items:center;gap:16px;
  max-width:1200px;margin:0 auto;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-1);
  position:relative;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--brand-deep);font-size:16px;white-space:nowrap;letter-spacing:-.01em}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:linear-gradient(135deg,#10A05A,#C8F135);
  color:#04241a;display:grid;place-items:center;font-weight:800;font-size:16px;
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-link:hover{color:var(--brand-deep);background:rgba(16,160,90,.08)}
.nav-link.active{color:var(--brand-deep);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:999px;
  border:1px solid var(--line);background:#fff;position:relative;cursor:pointer;
  margin-left:auto;flex:0 0 42px;
}
.nav-toggle span{position:absolute;left:12px;right:12px;top:50%;height:2px;background:var(--brand-deep);border-radius:2px;transform:translateY(-1px);transition:.25s var(--ease)}
.nav-toggle::before,.nav-toggle::after{content:"";position:absolute;left:12px;right:12px;height:2px;background:var(--brand-deep);border-radius:2px;transition:.25s var(--ease)}
.nav-toggle::before{top:14px}
.nav-toggle::after{top:26px}
.nav-toggle[aria-expanded="true"] span{opacity:0}
.nav-toggle[aria-expanded="true"]::before{top:20px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"]::after{top:20px;transform:rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,#10A05A,#C8F135);
  color:#04241a;box-shadow:0 12px 26px -14px rgba(16,160,90,.9);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.03)}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand-deep)}
.btn-outline:hover{transform:translateY(-2px);background:rgba(16,160,90,.07)}
.btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(255,255,255,.18)}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:56px 48px;
  color:#fff;
  background-image:linear-gradient(135deg,rgba(7,26,19,.94),rgba(14,92,66,.84)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,53,.28),rgba(200,241,53,0) 70%);
}
.page-hero .hero-inner{position:relative;z-index:2;display:flex;gap:40px;align-items:flex-end;justify-content:space-between}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.5}
.page-title{
  font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800;line-height:1.15;letter-spacing:-.02em;color:#fff;
}
.page-title em{
  font-style:normal;
  background:linear-gradient(135deg,#C8F135,#10A05A);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-lead{color:rgba(255,255,255,.82);font-size:17px;max-width:620px;margin-top:18px}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-stats{display:flex;gap:14px;flex:0 0 auto}
.mini-stat{
  min-width:132px;padding:18px 20px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
}
.mini-stat .num{font-size:26px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2}
.mini-stat .lab{font-size:13px;color:rgba(255,255,255,.72)}

/* ---------- 标签条 ---------- */
.tab-wrap{margin-top:34px}
.tab-bar{
  display:flex;gap:8px;overflow-x:auto;padding:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:var(--sh-1);
  scrollbar-width:none;
}
.tab-bar::-webkit-scrollbar{display:none}
.tab-btn{
  white-space:nowrap;padding:11px 20px;border-radius:999px;border:1px solid transparent;
  background:transparent;color:var(--muted);font-size:14.5px;font-weight:500;cursor:pointer;
  transition:all .25s var(--ease);
}
.tab-btn:hover{color:var(--brand-deep);background:rgba(16,160,90,.08)}
.tab-btn.active{background:linear-gradient(135deg,#10A05A,#C8F135);color:#04241a;font-weight:700}
.tab-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- 功能图卡（两列错落） ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;margin-top:34px}
.f-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.feature-grid .f-card:nth-child(even){margin-top:48px}
.f-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.42)}
.f-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#eef3ee}
.f-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.f-card:hover .f-media img{transform:scale(1.04)}
.f-media::after{content:"";position:absolute;inset:auto 0 0 0;height:46%;background:linear-gradient(to top,rgba(7,26,19,.55),rgba(7,26,19,0))}
.f-index{
  position:absolute;z-index:2;left:18px;top:18px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(255,255,255,.9);color:var(--brand-deep);font-variant-numeric:tabular-nums;
}
.f-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1}
.tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(16,160,90,.11);color:var(--brand-deep);
}
.tag.tag-warm{background:rgba(255,122,69,.14);color:#B8431A}
.f-title{font-size:20px;font-weight:700;margin:14px 0 10px;color:var(--ink)}
.f-desc{color:var(--muted);font-size:15px;margin-bottom:18px}
.f-list{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-direction:column;gap:9px}
.f-list li{position:relative;padding-left:20px;font-size:14.5px;color:#31443C}
.f-list li::before{
  content:"";position:absolute;left:2px;top:.68em;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,#10A05A,#C8F135);
}
.f-foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:var(--brand-deep)}
.f-foot .arrow{transition:transform .25s var(--ease)}
.f-card:hover .f-foot .arrow{transform:translateX(4px)}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;
  background:radial-gradient(120% 120% at 15% 10%, #0E5C42 0%, #071A13 70%);
  border-radius:var(--r-xl);padding:38px 36px;box-shadow:var(--sh-2);
}
.stat-num{font-size:clamp(1.8rem,3vw,2.4rem);font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.15}
.stat-label{color:rgba(255,255,255,.72);font-size:14px;margin-top:6px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;
  box-shadow:var(--sh-1);position:relative;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.35)}
.step-num{
  width:36px;height:36px;border-radius:999px;display:grid;place-items:center;
  background:linear-gradient(135deg,#10A05A,#C8F135);color:#04241a;font-weight:800;font-size:14px;
  margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:stretch}
.scene-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
}
.scene-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.scene-main .scene-body{padding:28px 30px 30px}
.scene-side{display:flex;flex-direction:column;gap:20px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-1);flex:1;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.35)}
.scene-card h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.scene-card p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item.open{border-color:rgba(16,160,90,.45);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:999px;position:relative;
  border:1px solid rgba(16,160,90,.5);transition:transform .28s var(--ease),background .28s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:6px;right:6px;top:50%;height:1.6px;background:var(--brand-deep);
  transform:translateY(-50%);border-radius:2px;
}
.faq-icon::after{transform:translateY(-50%) rotate(90deg)}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(200,241,53,.35)}
.faq-a{
  max-height:0;overflow:hidden;padding:0 24px;color:var(--muted);font-size:15px;
  transition:max-height .32s var(--ease),padding .32s var(--ease);
}
.faq-item.open .faq-a{max-height:480px;padding:0 24px 22px}

/* ---------- CTA ---------- */
.cta-band{
  background:radial-gradient(120% 120% at 15% 10%, #0E5C42 0%, #071A13 70%);
  border-radius:var(--r-xl);padding:56px 48px;color:#fff;box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-140px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,160,90,.4),rgba(16,160,90,0) 70%);
}
.cta-band .cta-inner{position:relative;z-index:2}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.78);max-width:640px;font-size:16px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.cta-note{margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:#071A13;color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:96px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,#10A05A,#C8F135)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-desc{font-size:14.5px;color:rgba(255,255,255,.66);max-width:340px}
.footer-title{color:#fff;font-weight:600;font-size:15.5px;margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:11px;font-size:14.5px}
.footer-list a,.footer-list span{color:rgba(255,255,255,.68)}
.footer-list a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .site-header{top:10px;padding:0 16px}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 12px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:12px;box-shadow:var(--sh-2);margin-left:0;
  }
  .nav-links.open{display:flex}
  .nav-link{padding:13px 16px;font-size:15px;border-radius:14px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(16,160,90,.1)}
  .page-hero{padding:44px 32px}
  .page-hero .hero-inner{flex-direction:column;align-items:flex-start;gap:28px}
  .section{padding:64px 0}
  .feature-grid{grid-template-columns:1fr}
  .feature-grid .f-card:nth-child(even){margin-top:0}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));padding:30px 26px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .logo{font-size:15px}
  .page-hero{padding:36px 22px;border-radius:var(--r-lg)}
  .page-title{font-size:clamp(1.75rem,7vw,2.3rem)}
  .page-lead{font-size:15.5px}
  .section{padding:48px 0}
  .section-sub{font-size:15.5px}
  .stat-strip{padding:26px 20px;gap:18px}
  .steps{grid-template-columns:1fr}
  .cta-band{padding:38px 24px;border-radius:var(--r-lg)}
  .f-body{padding:22px 20px 24px}
  .faq-q{padding:17px 18px;font-size:15.5px}
  .faq-a{padding:0 18px}
  .faq-item.open .faq-a{padding:0 18px 18px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero-stats{flex-direction:column;width:100%}
  .mini-stat{width:100%}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .stat-strip{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
    --brand:#10A05A;
    --brand-deep:#07543B;
    --accent:#C8F135;
    --accent-warm:#FF7A45;
    --bg:#F6F8F4;
    --surface:#FFFFFF;
    --line:#E3EAE4;
    --ink:#0C1A14;
    --muted:#5B6B63;
    --r-sm:12px;
    --r-md:18px;
    --r-lg:24px;
    --r-xl:32px;
    --sh-1:0 2px 8px rgba(7,84,59,.06);
    --sh-2:0 16px 40px -12px rgba(7,84,59,.18);
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit;color:inherit}
  h1,h2,h3,h4,p,figure{margin:0}
  ul{margin:0;padding:0;list-style:none}
  strong{font-weight:700}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  .narrow{max-width:900px;margin:0 auto}
  .num{font-variant-numeric:tabular-nums}

  /* ---------- header / nav ---------- */
  .site-header{position:sticky;top:0;z-index:80;padding:14px 0 6px}
  .nav-bar{
    display:flex;align-items:center;gap:14px;
    padding:9px 12px 9px 16px;
    background:rgba(255,255,255,.82);
    backdrop-filter:blur(14px) saturate(160%);
    -webkit-backdrop-filter:blur(14px) saturate(160%);
    border:1px solid var(--line);
    border-radius:999px;
    box-shadow:var(--sh-1);
    position:relative;
    transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
  }
  .nav-bar:hover{box-shadow:var(--sh-2);border-color:#D3E1D7}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--brand-deep);white-space:nowrap;letter-spacing:.2px}
  .logo-mark{
    width:34px;height:34px;flex:0 0 auto;border-radius:11px;
    background:linear-gradient(135deg,#10A05A,#C8F135);
    color:#04301F;display:grid;place-items:center;font-weight:800;font-size:17px;
  }
  .nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
  .nav-link{
    position:relative;padding:9px 14px;border-radius:999px;font-size:14.5px;color:#2C3A33;
    transition:color .25s var(--ease),background .25s var(--ease);white-space:nowrap;
  }
  .nav-link:hover{color:var(--brand-deep);background:rgba(16,160,90,.08)}
  .nav-link.active{color:var(--brand-deep);font-weight:700}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,#10A05A,#C8F135);
  }
  .nav-toggle{
    display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;
    border-radius:14px;cursor:pointer;position:relative;
  }
  .nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
    position:absolute;left:50%;transform:translateX(-50%);width:17px;height:2px;border-radius:2px;background:var(--brand-deep);
    transition:transform .25s var(--ease),opacity .25s var(--ease);
  }
  .nav-toggle span{top:50%;margin-top:-1px}
  .nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
  .nav-toggle span::after{content:"";top:6px;left:0;transform:none}
  .nav-toggle[aria-expanded="true"] span{background:transparent}
  .nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg) translate(4px,4px)}
  .nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg) translate(4px,-4px)}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;
    border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
  }
  .btn-sm{padding:9px 18px;font-size:14px}
  .btn-primary{background:linear-gradient(135deg,#10A05A,#C8F135);color:#04301F;box-shadow:0 8px 22px -10px rgba(16,160,90,.7)}
  .btn-primary:hover{transform:translateY(-2px);background:linear-gradient(147deg,#10A05A,#C8F135);box-shadow:0 14px 28px -12px rgba(16,160,90,.85)}
  .btn-outline{background:#fff;border-color:var(--brand);color:var(--brand-deep)}
  .btn-outline:hover{transform:translateY(-2px);background:rgba(16,160,90,.07);box-shadow:var(--sh-1)}
  .btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
  .btn-ghost:hover{border-color:#C8F135;color:#C8F135;transform:translateY(-2px)}
  .btn:active{transform:scale(.98)}
  .btn:focus-visible,a:focus-visible,summary:focus-visible,button:focus-visible,input:focus-visible{
    outline:2px solid var(--brand);outline-offset:2px;
  }
  .nav-cta{flex:0 0 auto}

  /* ---------- badges ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
    font-size:12.5px;font-weight:600;letter-spacing:.3px;
  }
  .badge-lime{background:rgba(200,241,53,.22);color:#0B5B3F;border:1px solid rgba(200,241,53,.6)}
  .badge-soft{background:rgba(16,160,90,.1);color:var(--brand-deep)}
  .badge-warm{background:rgba(255,122,69,.14);color:#B8431A;border:1px solid rgba(255,122,69,.35)}

  /* ---------- hero ---------- */
  .page-hero{
    position:relative;margin-top:10px;padding:66px 0 76px;overflow:hidden;
    background:radial-gradient(120% 120% at 15% 10%, #0E5C42 0%, #071A13 70%);
    color:#fff;
  }
  .page-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.26}
  .page-hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,26,19,.94) 6%,rgba(7,26,19,.68) 55%,rgba(7,26,19,.42) 100%)}
  .page-hero-inner{position:relative;z-index:2;max-width:820px}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:20px}
  .breadcrumb a{transition:color .25s var(--ease)}
  .breadcrumb a:hover{color:#C8F135}
  .breadcrumb .sep{opacity:.45}
  .page-hero h1{
    font-size:clamp(1.95rem,4.2vw,3rem);
    line-height:1.2;font-weight:800;margin:16px 0 18px;letter-spacing:.5px;
  }
  .page-hero h1 em{
    font-style:normal;
    background:linear-gradient(135deg,#C8F135,#10A05A);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .page-hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.8);max-width:660px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

  /* ---------- sections ---------- */
  .section{padding:76px 0}
  .section-tight{padding:56px 0}
  .section-head{max-width:760px;margin-bottom:38px}
  .section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.3;font-weight:700;color:var(--brand-deep)}
  .section-head p{margin-top:12px;color:var(--muted);font-size:15.5px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:1.4px;
    color:var(--brand);text-transform:uppercase;margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,#10A05A,#C8F135)}

  /* ---------- overview cards ---------- */
  .overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .overview-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
    box-shadow:var(--sh-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  }
  .overview-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.28)}
  .overview-icon{
    width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
    background:rgba(16,160,90,.1);color:var(--brand-deep);font-weight:800;font-size:18px;margin-bottom:18px;
  }
  .overview-card h3{font-size:1.15rem;font-weight:700;color:var(--ink)}
  .overview-card p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8}

  /* ---------- steps (narrow column) ---------- */
  .steps-flow{display:flex;flex-direction:column;gap:20px;margin-top:8px}
  .step-card{
    display:flex;gap:22px;padding:26px 28px;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
    transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  }
  .step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(16,160,90,.28)}
  .step-num{
    flex:0 0 auto;width:44px;height:44px;border-radius:999px;
    background:linear-gradient(135deg,#C8F135,#A8DC15);color:#07543B;
    display:grid;place-items:center;font-weight:800;font-size:15px;
  }
  .step-card h3{font-size:1.1rem;font-weight:700}
  .step-card p{margin-top:8px;color:var(--muted);font-size:14.8px;line-height:1.8}
  .step-note{
    margin-top:12px;display:inline-flex;align-items:center;gap:8px;font-size:13px;
    color:var(--brand-deep);background:rgba(200,241,53,.18);border-radius:999px;padding:5px 13px;
  }

  /* ---------- checklist ---------- */
  .check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
  .check-item{
    display:flex;gap:14px;align-items:flex-start;padding:20px 22px;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--r-md);
    transition:border-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
  }
  .check-item:hover{border-color:rgba(16,160,90,.3);box-shadow:var(--sh-1);transform:translateY(-2px)}
  .check-dot{
    flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:rgba(16,160,90,.12);
    color:var(--brand);display:grid;place-items:center;font-size:13px;font-weight:800;margin-top:3px;
  }
  .check-item h4{font-size:15.5px;font-weight:700}
  .check-item p{margin-top:5px;font-size:14px;color:var(--muted);line-height:1.75}

  /* ---------- feature band ---------- */
  .feature-band{
    display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
    padding:36px;box-shadow:var(--sh-1);
  }
  .feature-band figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line)}
  .feature-band figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .feature-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
  .feature-list li{display:flex;gap:10px;font-size:14.6px;color:var(--muted)}
  .feature-list li b{color:var(--brand-deep);font-weight:700}
  .feature-list li::before{
    content:"";flex:0 0 auto;width:8px;height:8px;border-radius:3px;margin-top:9px;
    background:linear-gradient(135deg,#10A05A,#C8F135);
  }

  /* ---------- risk ---------- */
  .risk-band{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:34px;
    box-shadow:var(--sh-1);
  }
  .risk-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
  .risk-card{
    background:#FBFDF9;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;
  }
  .risk-card h4{font-size:15px;font-weight:700;margin-top:12px}
  .risk-card p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.75}

  /* ---------- FAQ ---------- */
  .faq-list{margin-top:6px}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    margin-bottom:14px;overflow:hidden;
    transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  .faq-item[open]{border-color:rgba(16,160,90,.35);box-shadow:var(--sh-1)}
  .faq-item summary{
    list-style:none;cursor:pointer;position:relative;
    padding:18px 56px 18px 22px;font-weight:600;font-size:15.5px;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
    font-size:20px;font-weight:400;color:var(--brand);transition:transform .25s var(--ease),color .25s var(--ease);
  }
  .faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--brand-deep)}
  .faq-body{padding:0 22px 20px;font-size:14.6px;color:var(--muted);line-height:1.85}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-xl);padding:52px 48px;
    background:radial-gradient(120% 120% at 15% 10%, #0E5C42 0%, #071A13 70%);color:#fff;
  }
  .cta-band::after{
    content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(200,241,53,.28),transparent 65%);
  }
  .cta-band h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;line-height:1.3;position:relative;z-index:2}
  .cta-band p{margin-top:14px;color:rgba(255,255,255,.78);max-width:640px;position:relative;z-index:2;font-size:15.5px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;z-index:2}
  .cta-meta{margin-top:22px;font-size:13px;color:rgba(255,255,255,.6);position:relative;z-index:2}

  /* ---------- footer ---------- */
  .site-footer{
    margin-top:80px;background:#071A13;color:#C9D6CF;position:relative;font-size:14.5px;
  }
  .site-footer::before{
    content:"";position:absolute;top:0;left:0;right:0;height:4px;
    background:linear-gradient(90deg,#10A05A,#C8F135);
  }
  .footer-top{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;
    padding:60px 0 40px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:16px;margin-bottom:16px}
  .footer-desc{color:#93A69C;font-size:14px;line-height:1.85;max-width:340px}
  .footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:16px}
  .footer-list{display:flex;flex-direction:column;gap:11px;color:#93A69C}
  .footer-list a{transition:color .25s var(--ease)}
  .footer-list a:hover{color:#C8F135;text-decoration:underline;text-underline-offset:4px}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
    border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;font-size:13px;color:#7E9187;
  }

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .section{padding:64px 0}
    .overview-grid{grid-template-columns:repeat(2,1fr)}
    .risk-list{grid-template-columns:1fr 1fr}
    .feature-band{grid-template-columns:1fr;padding:28px}
    .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:1023px){
    .nav-links{
      position:absolute;top:calc(100% + 10px);left:0;right:0;
      flex-direction:column;align-items:stretch;gap:2px;
      background:#fff;border:1px solid var(--line);border-radius:24px;
      box-shadow:var(--sh-2);padding:12px;display:none;margin:0;
    }
    .nav-links.open{display:flex}
    .nav-link{padding:12px 14px;border-radius:14px;min-height:44px;display:flex;align-items:center;font-size:15px}
    .nav-link.active::after{display:none}
    .nav-link.active{background:rgba(16,160,90,.1)}
    .nav-toggle{display:block;margin-left:auto}
    .nav-cta{margin-left:0}
  }
  @media (max-width:768px){
    .container{padding:0 18px}
    .page-hero{padding:48px 0 56px}
    .section{padding:48px 0}
    .section-tight{padding:40px 0}
    .overview-grid{grid-template-columns:1fr}
    .check-grid{grid-template-columns:1fr}
    .risk-list{grid-template-columns:1fr}
    .cta-band{padding:36px 24px;border-radius:var(--r-lg)}
    .step-card{flex-direction:column;gap:14px;padding:22px}
    .footer-top{grid-template-columns:1fr;padding:44px 0 30px}
    .page-hero h1{font-size:1.85rem}
  }
  @media (max-width:520px){
    .logo{font-size:14.5px}
    .logo-mark{width:30px;height:30px;font-size:15px;border-radius:10px}
    .nav-bar{gap:8px;padding:8px 10px 8px 12px}
    .nav-cta{padding:8px 13px;font-size:12.5px}
    .hero-actions .btn{width:100%}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  }

/* roulang page: category4 */
:root{
  --brand:#10A05A;
  --brand-deep:#07543B;
  --accent:#C8F135;
  --accent-warm:#FF7A45;
  --bg:#F6F8F4;
  --surface:#FFFFFF;
  --line:#E3EAE4;
  --ink:#0C1A14;
  --muted:#5B6B63;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(7,84,59,.06);
  --sh-2:0 16px 40px -12px rgba(7,84,59,.18);
  --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:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--bg);
  background-image:radial-gradient(720px 420px at 100% 0, rgba(16,160,90,.10), transparent 68%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4,p,figure{margin:0;}
ul{margin:0;padding:0;list-style:none;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section-tight{padding:48px 0 72px;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;
  top:14px;
  z-index:80;
}
.nav-bar{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  padding:9px 12px 9px 18px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-1);
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:17px;
  color:var(--brand-deep);
  white-space:nowrap;
  letter-spacing:.01em;
}
.logo-mark{
  display:grid;
  place-items:center;
  width:30px;
  height:30px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#05271B;
  font-weight:800;
  font-size:15px;
  flex:0 0 auto;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--muted);
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-link:hover{color:var(--brand-deep);background:rgba(16,160,90,.08);}
.nav-link.active{color:var(--brand-deep);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
}
.nav-cta{margin-left:8px;}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:50%;
  background:#fff;
  position:relative;
  flex:0 0 auto;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:16px;height:2px;
  border-radius:2px;
  background:var(--brand-deep);
  transform:translateX(-50%);
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.site-header.open .nav-toggle span{background:transparent;}
.site-header.open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
.site-header.open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:600;
  line-height:1.4;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,#10A05A,#C8F135);
  color:#04241A;
  box-shadow:0 10px 24px -12px rgba(16,160,90,.75);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px -14px rgba(16,160,90,.85);}
.btn-outline{
  background:#fff;
  border-color:var(--brand);
  color:var(--brand-deep);
}
.btn-outline:hover{background:rgba(16,160,90,.07);transform:translateY(-2px);}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.45);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn:active{transform:scale(.98);}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-sm{padding:10px 20px;font-size:14.5px;}

/* ---------- 页头 Hero ---------- */
.page-hero{
  position:relative;
  padding:52px 0 68px;
  background-image:linear-gradient(180deg, rgba(246,248,244,.90), rgba(246,248,244,.97)), url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--muted);transition:color .25s var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B9C6BE;}
.breadcrumb .current{color:var(--brand-deep);font-weight:600;}

.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:52px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 15px;
  border-radius:999px;
  background:rgba(16,160,90,.10);
  border:1px solid rgba(16,160,90,.20);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.eyebrow i{color:var(--brand);}
.page-hero h1{
  margin:18px 0 0;
  font-size:clamp(2.1rem,4.4vw,3.2rem);
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand-deep);
}
.page-hero h1 .hl{
  background:linear-gradient(135deg,#10A05A,#C8F135);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  margin-top:16px;
  max-width:56ch;
  font-size:17px;
  color:var(--muted);
}
.search-wrap{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
  max-width:660px;
}
.search-field{
  flex:1 1 320px;
  display:flex;
  align-items:center;
  gap:11px;
  min-height:54px;
  padding:0 18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--sh-1);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.search-field:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(16,160,90,.12);
}
.search-field i{color:var(--brand);font-size:15px;}
.search-field input{
  flex:1;
  min-width:0;
  min-height:52px;
  border:0;
  outline:0;
  background:transparent;
  font-size:15.5px;
  color:var(--ink);
}
.search-field input::placeholder{color:#9AABA2;}
.hero-note{
  margin-top:16px;
  font-size:13.5px;
  color:var(--muted);
}
.quick-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.quick-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 15px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:14px;
  color:var(--brand-deep);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.quick-tag:hover{
  transform:translateY(-2px);
  border-color:rgba(16,160,90,.4);
  box-shadow:var(--sh-1);
}
.quick-tag i{color:var(--brand);font-size:12px;}

.hero-media{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:0 34px 70px -34px rgba(7,84,59,.5), 0 0 0 1px rgba(7,84,59,.06);
}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.hero-badge{
  position:absolute;
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:12px 16px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
}
.hero-badge strong{
  font-size:20px;
  font-weight:800;
  color:var(--brand-deep);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.hero-badge span{font-size:12.5px;color:var(--muted);}
.hero-badge.b1{left:18px;bottom:18px;}
.hero-badge.b2{right:18px;top:18px;}

/* ---------- 主题速览 ---------- */
.topic-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
}
.topic-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:24px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.topic-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(16,160,90,.25);
}
.topic-icon{
  display:grid;
  place-items:center;
  width:44px;height:44px;
  border-radius:14px;
  background:linear-gradient(135deg,rgba(16,160,90,.14),rgba(200,241,53,.38));
  color:var(--brand-deep);
  font-size:17px;
}
.topic-card h3{font-size:1.05rem;font-weight:600;color:var(--brand-deep);line-height:1.4;}
.topic-card p{font-size:14.5px;color:var(--muted);line-height:1.7;}
.topic-card .more{
  margin-top:auto;
  font-size:13.5px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.topic-card .more i{transition:transform .25s var(--ease);}
.topic-card:hover .more i{transform:translateX(3px);}

/* ---------- 板块标题 ---------- */
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(1.6rem,3vw,2.2rem);
  line-height:1.25;
  font-weight:700;
  color:var(--brand-deep);
}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.result-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  padding:14px 20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  margin-bottom:28px;
}
.result-bar span{font-size:14px;color:var(--muted);}
.result-bar strong{color:var(--brand-deep);font-variant-numeric:tabular-nums;}

/* ---------- FAQ 分组 ---------- */
.faq-wrap{max-width:940px;}
.faq-group{
  margin-bottom:42px;
  scroll-margin-top:110px;
}
.group-head{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:18px;
}
.group-icon{
  display:grid;
  place-items:center;
  width:42px;height:42px;
  border-radius:14px;
  background:linear-gradient(135deg,rgba(16,160,90,.16),rgba(200,241,53,.4));
  color:var(--brand-deep);
  font-size:16px;
  flex:0 0 auto;
}
.group-title{font-size:1.22rem;font-weight:600;color:var(--brand-deep);line-height:1.4;}
.group-count{
  margin-left:auto;
  padding:4px 13px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  white-space:nowrap;
}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:rgba(16,160,90,.25);}
.faq-item.open{
  border-color:rgba(16,160,90,.30);
  box-shadow:var(--sh-1);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:none;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  border-radius:var(--r-md);
}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.faq-icon{
  position:relative;
  width:24px;height:24px;
  flex:0 0 24px;
  border-radius:50%;
  background:rgba(16,160,90,.10);
  transition:background .25s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--brand);
  border-radius:2px;
}
.faq-icon::before{width:11px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:11px;transform:translate(-50%,-50%);transition:transform .25s var(--ease),opacity .25s var(--ease);}
.faq-item.open .faq-icon{background:rgba(200,241,53,.55);}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s var(--ease);
}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{
  margin:0 22px 20px;
  padding-top:2px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
  opacity:0;
  transition:opacity .3s var(--ease) .06s;
}
.faq-item.open .faq-a p{opacity:1;}
.faq-a p em{
  font-style:normal;
  color:var(--brand-deep);
  font-weight:600;
  background:linear-gradient(180deg,transparent 62%,rgba(200,241,53,.7) 62%);
}
.empty-state{
  padding:44px 24px;
  text-align:center;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  color:var(--muted);
}
.empty-state i{font-size:26px;color:var(--brand);display:block;margin-bottom:12px;}

/* ---------- 自助排查 ---------- */
.help-strip{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:40px;
  box-shadow:var(--sh-1);
}
.help-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:28px;
}
.help-step{
  padding:24px 22px;
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(16,160,90,.06),rgba(246,248,244,.9));
  border:1px solid var(--line);
}
.help-step .num{
  display:inline-grid;
  place-items:center;
  min-width:34px;
  height:26px;
  padding:0 11px;
  border-radius:999px;
  background:var(--accent);
  color:#05271B;
  font-weight:800;
  font-size:13px;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.help-step h3{font-size:1.02rem;font-weight:600;color:var(--brand-deep);margin-bottom:8px;}
.help-step p{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ---------- 相关页面 ---------- */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.rel-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(16,160,90,.25);
}
.rel-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.rel-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-tag{
  align-self:flex-start;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(16,160,90,.10);
  color:var(--brand-deep);
  font-size:12.5px;
  font-weight:600;
}
.rel-body h3{font-size:1.08rem;font-weight:600;color:var(--brand-deep);line-height:1.45;}
.rel-body p{font-size:14.5px;color:var(--muted);line-height:1.7;}
.rel-body .more{
  margin-top:auto;
  font-size:13.5px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.rel-card:hover .more i{transform:translateX(3px);}
.rel-body .more i{transition:transform .25s var(--ease);}

/* ---------- 底部 CTA ---------- */
.cta-block{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  padding:64px 44px;
  text-align:center;
  background:radial-gradient(120% 120% at 15% 10%, #0E5C42 0%, #071A13 70%);
  color:#fff;
  box-shadow:var(--sh-2);
}
.cta-block h2{
  font-size:clamp(1.6rem,3vw,2.3rem);
  font-weight:700;
  line-height:1.3;
}
.cta-block p{
  margin:16px auto 0;
  max-width:60ch;
  color:rgba(255,255,255,.74);
  font-size:16px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
  margin-top:30px;
}
.cta-meta{
  margin-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:80px;
  padding:64px 0 28px;
  background:#071A13;
  color:rgba(255,255,255,.72);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:4px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:700;
  font-size:17px;
  margin-bottom:14px;
}
.footer-desc{
  font-size:14.5px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:38ch;
}
.footer-title{
  color:#fff;
  font-weight:600;
  font-size:15px;
  margin-bottom:16px;
}
.footer-list{
  display:flex;
  flex-direction:column;
  gap:11px;
  font-size:14.5px;
}
.footer-list a{
  color:rgba(255,255,255,.72);
  transition:color .25s var(--ease);
  width:fit-content;
}
.footer-list a:hover{
  color:var(--accent);
  text-decoration:underline;
  text-underline-offset:4px;
}
.footer-list span{color:rgba(255,255,255,.55);}
.footer-bottom{
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

.is-hidden{display:none !important;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:grid;place-items:center;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .site-header.open .nav-links{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    padding:14px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-2);
  }
  .site-header.open .nav-link{
    padding:13px 16px;
    border-radius:14px;
    font-size:15.5px;
  }
  .site-header.open .nav-link.active{background:rgba(16,160,90,.10);}
  .site-header.open .nav-link.active::after{display:none;}

  .section{padding:60px 0;}
  .page-hero{padding:40px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .help-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .nav-bar{padding:8px 10px 8px 14px;}
  .logo{font-size:15.5px;}
  .page-hero h1{font-size:clamp(1.85rem,7vw,2.4rem);}
  .hero-lead{font-size:16px;}
  .search-wrap{flex-direction:column;}
  .search-field{flex:1 1 auto;width:100%;}
  .search-wrap .btn{width:100%;}
  .topic-grid{grid-template-columns:1fr;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a p{margin:0 18px 18px;}
  .help-strip{padding:26px 20px;}
  .cta-block{padding:44px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;}
  .section{padding:48px 0;}
}

@media (prefers-reduced-motion:reduce){
  *{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}