/* roulang page: index */
:root{
  --primary:#116B54;
  --primary-dark:#0B4437;
  --primary-soft:#E6F1ED;
  --accent:#FF7A2F;
  --accent-dark:#E4631A;
  --accent-soft:#FFF0E6;
  --gold:#FFC94A;
  --text:#15211E;
  --text-2:#5D6B66;
  --text-3:#8A9995;
  --line:#E4E7E2;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0F1A17;
  --dark-2:#16241f;
  --dark-text:#EDF2EF;
  --success:#2E9E6B;
  --warn:#E0A200;
  --danger:#D94F4F;
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --shadow-1:0 2px 6px rgba(15,26,23,.05);
  --shadow-2:0 10px 28px rgba(15,26,23,.08);
  --shadow-3:0 18px 40px rgba(15,26,23,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent-dark)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.01em;line-height:1.3}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font:inherit;color:inherit}
body.nav-locked{overflow:hidden}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media(min-width:1400px){.container{max-width:1280px}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 导航 Dock ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1040;padding:14px 0;transition:padding .22s var(--ease)}
.site-header.scrolled{padding:8px 0}
.dock{
  width:min(1080px,calc(100% - 32px));margin:0 auto;display:flex;align-items:center;gap:16px;
  padding:10px 14px;border-radius:18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:saturate(180%) blur(16px);backdrop-filter:saturate(180%) blur(16px);
  border:1px solid rgba(15,26,23,.08);box-shadow:var(--shadow-2);
  transition:box-shadow .22s var(--ease),background .22s var(--ease),padding .22s var(--ease);
}
.site-header.scrolled .dock{background:rgba(255,255,255,.97);box-shadow:var(--shadow-3);padding:8px 14px}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(17,107,84,.24);
}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-text b{font-size:15.5px;font-weight:800;color:var(--text);letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11.5px;color:var(--text-2);letter-spacing:.08em}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-menu a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:15px;color:var(--text-2);font-weight:500;transition:all .2s var(--ease);
}
.dock-menu a:hover{background:var(--primary-soft);color:var(--primary)}
.dock-menu a.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.dock-menu a.active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);margin-right:8px}
.dock-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--line);background:#fff;transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(17,107,84,.35);background:var(--primary-soft)}
.icon-btn svg{width:18px;height:18px}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  background:var(--accent);color:#fff;font-weight:600;font-size:15px;
  box-shadow:0 8px 18px rgba(255,122,47,.26);
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,47,.32)}
.btn-cta:active{transform:translateY(0)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:#fff;color:var(--primary);font-weight:600;font-size:15px;
  border:1px solid rgba(17,107,84,.32);
  transition:all .2s var(--ease);
}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.dock-burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.dock-burger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.dock-burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.dock-burger.open span:nth-child(2){opacity:0}
.dock-burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  position:fixed;inset:14px;z-index:1035;background:#fff;border-radius:22px;box-shadow:var(--shadow-3);
  padding:84px 20px 24px;display:none;flex-direction:column;gap:6px;
}
.mobile-panel.open{display:flex}
.mobile-panel a{
  display:flex;align-items:center;min-height:52px;padding:0 16px;border-radius:14px;
  font-size:17px;color:var(--text);border:1px solid transparent;
}
.mobile-panel a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;border-color:rgba(17,107,84,.14)}
.mobile-panel .btn-cta{margin-top:14px;min-height:50px;font-size:16px}

/* ============ 通用板块 ============ */
.section{padding:104px 0}
.section--tight{padding-top:0}
.section--dark{background:var(--dark);color:var(--dark-text)}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section--soft{background:#fff}
section[id]{scroll-margin-top:104px}
.sec-head{max-width:740px;margin-bottom:46px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--primary);text-transform:uppercase;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.sec-title{font-size:34px;line-height:1.3;margin:14px 0 12px}
.sec-desc{color:var(--text-2);font-size:16px;margin:0;max-width:660px}
.section--dark .sec-desc{color:#B9C7C2}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head--center .sec-eyebrow{justify-content:center}

/* ============ Hero ============ */
.hero{position:relative;padding:158px 0 96px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(680px 460px at 78% 8%,rgba(17,107,84,.12),transparent 70%),
    radial-gradient(520px 380px at 6% 88%,rgba(255,122,47,.09),transparent 72%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(15,26,23,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(15,26,23,.035) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(70% 60% at 50% 34%,#000,transparent);
  mask-image:radial-gradient(70% 60% at 50% 34%,#000,transparent);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent-dark);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;font-weight:800;margin:20px 0 18px;letter-spacing:-.02em}
.hero-sub{font-size:18px;color:var(--text-2);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-actions .btn-cta{min-height:52px;padding:0 30px;font-size:16px}
.hero-actions .btn-outline{min-height:52px;padding:0 28px;font-size:16px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);padding-top:26px;margin:0}
.metric{padding-right:18px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric dt{font-size:13px;color:var(--text-3);letter-spacing:.02em;margin-bottom:6px}
.metric dd{margin:0;font-size:24px;font-weight:700;color:var(--primary-dark);font-variant-numeric:tabular-nums}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 0 0 12px rgba(17,107,84,.06),var(--shadow-3)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg)}
.hero-media .hero-tag{
  position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.94);border-radius:12px;
  padding:10px 16px;box-shadow:var(--shadow-1);font-size:13px;color:var(--text-2);
}
.hero-media .hero-tag b{display:block;font-size:15px;color:var(--text);font-variant-numeric:tabular-nums}

/* ============ 资讯列表 ============ */
.news-feature{
  display:grid;grid-template-columns:1.08fr 1fr;gap:0;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  margin-bottom:24px;
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(17,107,84,.3)}
.news-feature .nf-media{position:relative;overflow:hidden;min-height:300px}
.news-feature .nf-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.news-feature .nf-body{padding:34px 32px;display:flex;flex-direction:column;justify-content:center}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(17,107,84,.3)}
.news-card .nc-media{overflow:hidden}
.news-card .nc-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .nc-media img{transform:scale(1.04)}
.nc-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-card h3,.news-feature h3{font-size:19px;line-height:1.5;margin:12px 0 10px}
.news-feature h3{font-size:24px}
.news-card h3 a,.news-feature h3 a{color:var(--text)}
.news-card h3 a:hover,.news-feature h3 a:hover{color:var(--primary)}
.news-card p,.news-feature p{color:var(--text-2);font-size:15px;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.badge-soft{
  display:inline-flex;align-items:center;align-self:flex-start;padding:4px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.news-meta{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-top:auto;font-variant-numeric:tabular-nums}
.news-meta .arrow{margin-left:auto;color:var(--primary);transition:transform .2s var(--ease)}
.news-card:hover .news-meta .arrow{transform:translateX(4px)}
.empty-state{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:64px 24px;text-align:center;color:var(--text-2);
}
.empty-state svg{width:44px;height:44px;color:var(--text-3);margin-bottom:14px}
.empty-state p{margin:0 0 18px}

/* ============ 核心卖点 ============ */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-bottom:88px}
.feature-row:last-child{margin-bottom:0}
.feature-row:nth-child(even) .feature-media{order:2}
.feature-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--line)}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feature-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;background:var(--primary-soft);color:var(--primary);
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.feature-copy h3{font-size:24px;line-height:1.4;margin-bottom:14px}
.feature-copy p{color:var(--text-2);max-width:520px}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);align-items:flex-start}
.check-list li svg{width:18px;height:18px;flex-shrink:0;margin-top:6px;color:var(--success)}

/* ============ 功能演示 ============ */
.demo-wrap{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:start}
.demo-tabs{display:flex;flex-direction:column;gap:10px}
.demo-tab{
  text-align:left;padding:18px 20px;border-radius:14px;border:1px solid var(--line);background:#fff;
  transition:all .2s var(--ease);
}
.demo-tab span{display:block;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;margin-bottom:4px}
.demo-tab b{font-size:16px;font-weight:600;color:var(--text-2)}
.demo-tab:hover{border-color:rgba(17,107,84,.35);background:var(--primary-soft)}
.demo-tab.active{background:var(--primary);border-color:var(--primary);box-shadow:0 10px 26px rgba(17,107,84,.22)}
.demo-tab.active span{color:rgba(255,255,255,.72)}
.demo-tab.active b{color:#fff}
.demo-panes{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2)}
.demo-pane{display:none;grid-template-columns:1.05fr 1fr;gap:0}
.demo-pane.active{display:grid}
.demo-pane img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.demo-pane-body{padding:38px 34px}
.demo-pane-body h3{font-size:22px;margin-bottom:14px}
.demo-pane-body p{color:var(--text-2);font-size:15.5px}
.mini-list{display:grid;gap:10px;margin-top:16px}
.mini-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.mini-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:11px;flex-shrink:0}

/* ============ 证据区 ============ */
.section--dark .proof-stat{border-right:1px solid rgba(237,242,239,.14)}
.section--dark .proof-stat:last-child{border-right:0}
.proof-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-bottom:56px;border-top:1px solid rgba(237,242,239,.14);padding-top:34px}
.proof-stat{padding-right:20px}
.proof-stat dd{margin:0;font-size:34px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.proof-stat dt{font-size:13.5px;color:#98A8A2;margin-top:8px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:52px}
.quote-card{background:var(--dark-2);border:1px solid rgba(237,242,239,.1);border-radius:var(--r-card);padding:26px;transition:transform .22s var(--ease),border-color .22s var(--ease)}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(255,122,47,.4)}
.quote-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(140deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;flex-shrink:0}
.quote-top b{display:block;color:#fff;font-size:15.5px}
.tag-outline{
  display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:12.5px;
  border:1px solid rgba(237,242,239,.24);color:#B9C7C2;margin-top:4px;
}
.quote-card p{color:#C7D4CF;font-size:15px;margin:0}
.stars{display:flex;gap:3px;margin-bottom:12px}
.stars svg{width:15px;height:15px;color:var(--gold)}
.logo-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;padding-top:30px;border-top:1px solid rgba(237,242,239,.14)}
.logo-row span{
  padding:8px 18px;border-radius:999px;border:1px solid rgba(237,242,239,.16);
  color:#8FA19B;font-size:13.5px;opacity:.55;transition:opacity .2s var(--ease),color .2s var(--ease);
}
.logo-row span:hover{opacity:1;color:#EDF2EF}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px;display:flex;flex-direction:column;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(17,107,84,.3)}
.price-card--featured{border:2px solid var(--primary);box-shadow:var(--shadow-3);padding-top:44px}
.price-badge{
  position:absolute;top:-1px;left:50%;transform:translate(-50%,-50%);
  background:var(--primary);color:#fff;font-size:13px;font-weight:600;letter-spacing:.04em;
  padding:5px 18px;border-radius:999px;white-space:nowrap;
}
.price-name{font-size:20px;font-weight:700;margin-bottom:6px}
.price-for{font-size:14px;color:var(--text-3);margin-bottom:20px}
.price-value{font-size:38px;font-weight:800;color:var(--primary-dark);font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:22px}
.price-value small{font-size:15px;font-weight:500;color:var(--text-3);margin-left:4px}
.price-list{display:grid;gap:11px;margin-bottom:26px}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.price-list li svg{width:17px;height:17px;flex-shrink:0;margin-top:6px}
.price-list li.yes svg{color:var(--success)}
.price-list li.no{color:var(--text-3)}
.price-list li.no svg{color:var(--text-3)}
.price-card .btn-cta,.price-card .btn-outline{width:100%;margin-top:auto}
.price-note{margin-top:28px;font-size:14px;color:var(--text-2);text-align:center}

/* ============ 下载与支持 ============ */
.download-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.dl-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow-1)}
.dl-box h3{font-size:22px;margin-bottom:10px}
.dl-box p{color:var(--text-2);font-size:15px}
.dl-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 26px}
.spec-list{display:grid;gap:12px}
.spec-list li{display:flex;justify-content:space-between;gap:16px;font-size:14.5px;padding-bottom:11px;border-bottom:1px dashed var(--line);color:var(--text-2)}
.spec-list li:last-child{border-bottom:0;padding-bottom:0}
.spec-list li b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.form-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow-1)}
.form-box h3{font-size:22px;margin-bottom:8px}
.form-box > p{color:var(--text-2);font-size:15px;margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:14px;color:var(--text-2);font-weight:500}
.form-field input,.form-field select,.form-field textarea{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);padding:12px 14px;
  font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);width:100%;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(17,107,84,.14);
}
.form-field textarea{min-height:110px;resize:vertical}
.form-hint{font-size:13px;color:var(--text-3)}
.form-msg{font-size:13.5px;color:var(--danger);display:none}
.form-msg.ok{color:var(--success)}
.form-box form{margin-top:6px}

/* ============ FAQ ============ */
.faq-acc{max-width:820px;margin:0 auto}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.faq-acc .accordion-item:first-of-type{border-top:1px solid var(--line)}
.faq-acc .accordion-button{
  background:transparent;border:0;box-shadow:none;padding:20px 46px 20px 0;min-height:56px;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--primary);box-shadow:none;background:transparent}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;margin-left:auto;
  font-size:26px;font-weight:300;line-height:1;color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg)}
.faq-acc .accordion-body{padding:0 46px 24px 0;font-size:15.5px;line-height:1.8;color:var(--text-2)}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-top:1px solid rgba(17,107,84,.5)}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1038;
  display:flex;align-items:center;gap:10px;
  opacity:0;pointer-events:none;transform:translateY(14px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.float-cta.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-cta .float-note{display:none}
.float-cta .btn-cta{box-shadow:0 14px 32px rgba(255,122,47,.34)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#B9C7C2;padding:76px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:52px}
.footer-brand .logo-mark{margin-bottom:16px}
.footer-brand b{display:block;color:#fff;font-size:17px;font-weight:700;margin-bottom:10px}
.footer-brand p{font-size:14.5px;color:#93A5A0;max-width:300px}
.footer-brand .contact{margin-top:16px;font-size:14px;color:#B9C7C2}
.footer-brand .contact span{display:block;margin-bottom:6px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:#93A5A0;font-size:14.5px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(237,242,239,.12);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13.5px;color:#7C8C87;
}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom .legal a{color:#7C8C87}
.footer-bottom .legal a:hover{color:var(--accent)}

/* ============ 响应式 ============ */
@media(max-width:1199px){
  .dock-menu a{padding:0 11px;font-size:14.5px}
}
@media(max-width:991px){
  .dock-menu,.dock-right .icon-btn,.dock-right .btn-cta{display:none}
  .dock-burger{display:flex;margin-left:auto}
  .dock-right{margin-left:0}
  .hero{padding:134px 0 72px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-media{order:-1}
  .hero-sub{max-width:100%}
  .feature-row{grid-template-columns:1fr;gap:30px;margin-bottom:64px}
  .feature-row .feature-media{order:-1}
  .demo-wrap{grid-template-columns:1fr;gap:26px}
  .demo-tabs{flex-direction:row;overflow-x:auto;padding-bottom:6px;gap:10px}
  .demo-tab{flex:0 0 210px}
  .demo-pane{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr 1fr}
  .price-grid{grid-template-columns:1fr;gap:30px}
  .price-card--featured{padding-top:38px}
  .download-wrap{grid-template-columns:1fr;gap:30px}
  .news-grid{grid-template-columns:1fr 1fr}
  .news-feature{grid-template-columns:1fr}
  .news-feature .nf-media{min-height:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:767px){
  body{font-size:16px}
  .section{padding:72px 0}
  .sec-title{font-size:27px}
  .hero h1{font-size:31px}
  .hero-sub{font-size:16.5px}
  .metrics{grid-template-columns:1fr 1fr;gap:18px 0;padding-top:22px}
  .metric:nth-child(2){border-right:0}
  .metric{padding-right:14px}
  .proof-stats{grid-template-columns:1fr 1fr;gap:24px 0}
  .proof-stat:nth-child(2){border-right:0}
  .quote-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .feature-copy h3{font-size:21px}
  .float-cta{left:0;right:0;bottom:0;gap:0;flex-direction:row;align-items:center;justify-content:space-between;
    background:#fff;border-top:1px solid var(--line);padding:10px 14px;box-shadow:0 -8px 24px rgba(15,26,23,.08);
    border-radius:0;transform:translateY(100%)}
  .float-cta.show{transform:translateY(0)}
  .float-cta .float-note{display:block;font-size:12.5px;color:var(--text-3);line-height:1.5}
  .float-cta .float-note b{display:block;color:var(--text);font-size:13px;font-variant-numeric:tabular-nums}
  .float-cta .btn-cta{min-height:44px;padding:0 20px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer{padding-top:58px}
  .faq-acc .accordion-button{font-size:16px;padding-right:38px}
  .faq-acc .accordion-body{padding-right:0}
}
@media(max-width:575px){
  .section{padding:56px 0}
  .hero{padding:118px 0 56px}
  .hero h1{font-size:30px}
  .hero-actions{gap:10px}
  .hero-actions .btn-cta,.hero-actions .btn-outline{flex:1 1 100%;min-height:50px}
  .proof-stat dd{font-size:28px}
  .price-value{font-size:32px}
  .dl-box,.form-box{padding:24px 20px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --primary:#116B54;
  --primary-dark:#0B4437;
  --primary-soft:#E6F1ED;
  --accent:#FF7A2F;
  --accent-dark:#E4631A;
  --accent-soft:#FFF0E6;
  --gold:#FFC94A;
  --text:#15211E;
  --text-2:#5D6B66;
  --text-3:#8A9995;
  --line:#E4E7E2;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0F1A17;
  --dark-text:#EDF2EF;
  --ok:#2E9E6B;
  --warn:#E0A200;
  --err:#D94F4F;
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(15,26,23,.05);
  --sh-2:0 10px 28px rgba(15,26,23,.08);
  --sh-3:0 18px 40px rgba(15,26,23,.12);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);}
a:hover{color:var(--accent-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--text);letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.35em;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
::selection{background:var(--primary-soft);color:var(--primary-dark);}
.container{
  width:100%;
  max-width:var(--container,1200px);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){.container{max-width:1280px;}}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 按钮体系 ---------- */
.btn-primary,
.btn-ghost,
.btn-dark-inverse,
.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),background-color var(--t),box-shadow var(--t),border-color var(--t),color var(--t);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.24);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--primary);border-color:rgba(17,107,84,.35);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-dark-inverse{background:#fff;color:var(--dark);}
.btn-dark-inverse:hover{background:var(--accent-soft);color:var(--accent-dark);transform:translateY(-2px);}
.btn-dark-inverse:active{transform:translateY(0);}
.btn-text{min-height:auto;padding:0;border-radius:0;color:var(--primary);border-bottom:2px solid rgba(17,107,84,.28);}
.btn-text:hover{color:var(--accent-dark);border-bottom-color:var(--accent);}
.btn-primary:disabled,.btn-ghost:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-pill{border-radius:var(--r-pill);}

/* ---------- 徽章与标签 ---------- */
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:5px 12px;border-radius:var(--r-pill);
}
.badge-outline{
  display:inline-flex;align-items:center;
  background:#fff;color:var(--text-2);
  font-size:13px;letter-spacing:.02em;
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);
}
.tag-pill{
  display:inline-flex;align-items:center;
  background:#fff;border:1px solid var(--line);color:var(--text-2);
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  transition:border-color var(--t),color var(--t),background-color var(--t);
}
.tag-pill:hover{border-color:rgba(17,107,84,.3);color:var(--primary);background:var(--primary-soft);}

/* ---------- 顶部 Dock 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:14px 0 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1080px,calc(100% - 32px));
  margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px;
  border-radius:18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border:1px solid rgba(15,26,23,.08);
  box-shadow:var(--sh-2);
  transition:background-color var(--t),box-shadow var(--t),padding var(--t),border-color var(--t);
}
.site-header.scrolled .dock{
  background:rgba(255,255,255,.97);
  box-shadow:var(--sh-3);
  padding:8px 14px;
  border-color:rgba(15,26,23,.1);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;flex:0 0 auto;
  border-radius:11px;
  background:linear-gradient(145deg,var(--primary),var(--primary-dark));
  display:grid;place-items:center;
  box-shadow:0 6px 14px rgba(11,68,55,.22);
}
.logo-mark svg{width:21px;height:21px;}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-text b{font-size:16px;font-weight:800;color:var(--text);letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.08em;}
.dock-menu{display:flex;align-items:center;gap:2px;margin:0 auto;}
.dock-menu a{
  position:relative;
  display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--text-2);
  transition:color var(--t),background-color var(--t);
}
.dock-menu a:hover{color:var(--primary);background:var(--primary-soft);}
.dock-menu a.active{color:var(--primary-dark);background:var(--primary-soft);font-weight:600;}
.dock-menu a.active::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--accent);margin-right:7px;
}
.dock-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  color:var(--text-2);background:#fff;border:1px solid var(--line);
  transition:color var(--t),border-color var(--t),background-color var(--t);
}
.icon-btn svg{width:19px;height:19px;}
.icon-btn:hover{color:var(--primary);border-color:rgba(17,107,84,.3);background:var(--primary-soft);}
.btn-cta{
  display:inline-flex;align-items:center;
  min-height:42px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 8px 18px rgba(255,122,47,.26);
  transition:background-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,47,.32);}
.btn-cta:active{transform:translateY(0);}
.dock-burger{
  display:none;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  background:#fff;border:1px solid var(--line);border-radius:12px;cursor:pointer;
}
.dock-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);transition:transform var(--t),opacity var(--t);}
.dock-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.dock-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.dock-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 导航下的分隔（窄屏面板） ---------- */
@media (max-width:991.98px){
  .dock{gap:10px;}
  .dock-menu{
    position:fixed;left:16px;right:16px;top:82px;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--sh-3);padding:12px;margin:0;
    max-height:calc(100vh - 110px);overflow:auto;
  }
  .dock-menu.open{display:flex;}
  .dock-menu a{min-height:48px;padding:0 16px;border-radius:12px;font-size:15.5px;}
  .dock-menu a.active::before{margin-right:9px;}
  .dock-right .icon-btn{display:none;}
  .dock-burger{display:inline-flex;}
  .dock-right{margin-left:auto;}
  .btn-cta{padding:0 16px;font-size:14px;}
}
@media (max-width:575.98px){
  .logo-text em{font-size:10.5px;}
  .btn-cta{display:none;}
}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;
  margin-top:-72px;
  padding:150px 0 54px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.94) 0%,rgba(247,246,242,.96) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(17,107,84,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(17,107,84,.05) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.5;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(17,107,84,.1) 0%,rgba(17,107,84,0) 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}

/* 面包屑 */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);margin-bottom:22px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--text-3);opacity:.7;}
.crumb .current{color:var(--text-2);max-width:min(520px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.32;font-weight:800;
  max-width:900px;margin:16px 0 0;
}
.hero-lead{
  max-width:760px;margin-top:16px;
  font-size:16.5px;line-height:1.85;color:var(--text-2);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:26px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-row .meta-item svg{width:15px;height:15px;color:var(--primary);opacity:.85;}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--line);}

/* ---------- 文章布局 ---------- */
.article-section{padding:56px 0 0;}
.article-shell{
  max-width:1140px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:minmax(0,1fr) 236px;
  gap:44px;align-items:start;
}
.article-main{max-width:760px;margin:0 auto;width:100%;}
.article-content{
  font-size:16.5px;line-height:1.85;color:var(--text);
  text-align:left;
}
.article-content p{margin:0 0 1.1em;}
.article-content h2{
  font-size:28px;line-height:1.35;font-weight:700;
  margin:40px 0 16px;scroll-margin-top:100px;
}
.article-content h3{
  font-size:19px;line-height:1.5;font-weight:600;
  margin:30px 0 12px;scroll-margin-top:100px;
}
.article-content h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.article-content ul{list-style:none;padding-left:0;}
.article-content ul > li{position:relative;padding-left:20px;margin-bottom:.55em;}
.article-content ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;
  background:var(--primary);opacity:.7;
}
.article-content ol{list-style:none;counter-reset:artli;padding-left:0;}
.article-content ol > li{counter-increment:artli;position:relative;padding-left:34px;margin-bottom:.6em;}
.article-content ol > li::before{
  content:counter(artli);
  position:absolute;left:0;top:.28em;
  width:22px;height:22px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:12.5px;font-weight:700;font-family:var(--font-num);
  display:grid;place-items:center;line-height:1;
}
.article-content blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--primary-soft);
  border-left:4px solid var(--primary);
  border-radius:0 14px 14px 0;
  color:var(--primary-dark);font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{
  border-radius:14px;margin:26px 0 10px;width:100%;
}
.article-content figure{margin:26px 0;}
.article-content figcaption{
  font-size:13px;color:var(--text-3);text-align:center;line-height:1.7;
}
.article-content pre{
  background:#F1F3F0;border:1px solid var(--line);border-radius:12px;
  padding:15px 18px;margin:22px 0;overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13.5px;line-height:1.75;color:#22322C;
}
.article-content code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;background:#F1F3F0;border-radius:6px;padding:2px 6px;color:#22322C;
}
.article-content pre code{background:none;padding:0;font-size:inherit;}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-content a:hover{color:var(--accent-dark);}
.article-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
.article-content th{background:var(--primary-soft);color:var(--primary-dark);font-weight:600;}
.article-content hr{border:none;border-top:1px solid var(--line);margin:36px 0;}

/* ---------- 侧边目录 ---------- */
.article-toc{
  position:sticky;top:100px;
  padding:20px 18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.article-toc h3{
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--text-3);margin-bottom:14px;text-transform:uppercase;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  position:relative;display:block;
  padding:7px 8px 7px 14px;border-radius:8px;
  font-size:13.5px;line-height:1.6;color:var(--text-2);
  border-left:2px solid transparent;
  transition:color var(--t),background-color var(--t),border-color var(--t);
}
.toc-list a.toc-l3{padding-left:26px;font-size:13px;color:var(--text-3);}
.toc-list a:hover{color:var(--primary);background:var(--primary-soft);}
.toc-list a.active{color:var(--primary-dark);font-weight:600;border-left-color:var(--primary);background:var(--primary-soft);}

/* ---------- 文末区 ---------- */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.article-nav{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);margin-bottom:14px;
}
.article-nav a{font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;}
.article-nav a.back{color:var(--text-2);font-weight:500;}
.article-nav a.back:hover{color:var(--primary);}
.article-nav svg{width:16px;height:16px;}

/* ---------- 空状态 ---------- */
.empty-state{
  text-align:center;padding:64px 28px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:20px;
  background:var(--primary-soft);display:grid;place-items:center;color:var(--primary);
}
.empty-state .empty-icon svg{width:30px;height:30px;}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--text-2);max-width:420px;margin:0 auto 24px;font-size:15.5px;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--primary);
  margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent);}
.section-head h2{font-size:34px;line-height:1.3;font-weight:700;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:16px;}

/* ---------- 卡片 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.3);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--primary-soft);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-thumb .badge-cat{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:10px;}
.post-body h3 a{color:var(--text);}
.post-body h3 a:hover{color:var(--primary);}
.post-body p{font-size:14.5px;line-height:1.75;color:var(--text-2);margin-bottom:18px;}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);padding-top:14px;border-top:1px solid var(--line);
}
.post-meta .arrow{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);
  transition:background-color var(--t),color var(--t),transform var(--t);
}
.post-meta .arrow svg{width:15px;height:15px;}
.post-card:hover .post-meta .arrow{background:var(--accent);color:#fff;transform:translateX(2px);}

/* ---------- 深色 CTA 条 ---------- */
.cta-band{margin-top:96px;}
.cta-inner{
  background:var(--dark);border-radius:var(--r-lg);color:var(--dark-text);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.22) 0%,rgba(255,122,47,0) 70%);
}
.cta-inner .cta-text{position:relative;z-index:1;max-width:640px;}
.cta-inner h2{color:#fff;font-size:26px;line-height:1.4;font-weight:700;margin-bottom:10px;}
.cta-inner p{color:rgba(237,242,239,.75);font-size:15px;margin:0;}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 浮动 CTA ---------- */
.fab-cta{
  position:fixed;right:24px;bottom:24px;z-index:1020;
  display:inline-flex;align-items:center;gap:9px;
  min-height:50px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 14px 32px rgba(255,122,47,.34);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity var(--t),transform var(--t),background-color var(--t);
}
.fab-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.fab-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);}
.fab-cta svg{width:18px;height:18px;}
@media (max-width:767.98px){
  .fab-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:space-between;padding:10px 18px;min-height:62px;
  }
  .fab-cta .fab-meta{display:flex;flex-direction:column;line-height:1.3;}
  .fab-cta .fab-meta b{font-size:13.5px;font-weight:600;}
  .fab-cta .fab-meta span{font-size:11.5px;opacity:.85;font-family:var(--font-num);}
  .fab-cta .fab-action{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.18);border-radius:var(--r-pill);padding:8px 16px;font-size:14px;}
}
@media (min-width:768px){.fab-cta .fab-meta{display:none;}.fab-cta .fab-action{display:inline-flex;align-items:center;gap:8px;}}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;background:var(--dark);color:var(--dark-text);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand .logo-mark{width:38px;height:38px;border-radius:12px;}
.footer-brand b{display:block;margin:16px 0 10px;font-size:18px;color:#fff;letter-spacing:.01em;}
.footer-brand p{color:rgba(237,242,239,.72);font-size:14px;line-height:1.8;max-width:360px;}
.footer-brand .contact{margin-top:16px;display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:rgba(237,242,239,.6);}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:rgba(237,242,239,.72);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(237,242,239,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(237,242,239,.58);
}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
.footer-bottom .legal a{color:rgba(237,242,239,.68);}
.footer-bottom .legal a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-shell{grid-template-columns:minmax(0,1fr);max-width:840px;}
  .article-toc{display:none;}
}
@media (max-width:991.98px){
  .section{padding-top:72px;}
  .section-head h2{font-size:28px;}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-inner{padding:36px 32px;}
  .page-hero{padding:140px 0 46px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .article-shell{padding:0 18px;}
  .section{padding-top:56px;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:24px;}
  .article-content h2{font-size:23px;margin-top:34px;}
  .article-content h3{font-size:18px;}
  .page-hero{padding:132px 0 40px;}
  .page-hero h1{font-size:28px;}
  .cta-inner{padding:30px 24px;border-radius:var(--r-card);}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-primary,.cta-actions .btn-dark-inverse{flex:1;}
  .site-footer{margin-top:72px;padding-bottom:96px;}
}
@media (max-width:575.98px){
  .post-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .crumb .current{max-width:100%;white-space:normal;}
  .article-nav{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand:#116B54;
  --brand-dark:#0B4437;
  --brand-soft:#E6F1ED;
  --accent:#FF7A2F;
  --accent-dark:#E4631A;
  --accent-soft:#FFF0E6;
  --gold:#FFC94A;
  --ink:#15211E;
  --ink-2:#5D6B66;
  --ink-3:#8A9995;
  --line:#E4E7E2;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0F1A17;
  --dark-text:#EDF2EF;
  --ok:#2E9E6B;
  --warn:#E0A200;
  --err:#D94F4F;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:24px;
  --sh-1:0 2px 6px rgba(15,26,23,.05);
  --sh-2:0 10px 28px rgba(15,26,23,.08);
  --sh-3:0 18px 40px rgba(15,26,23,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-num:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-dark)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
::selection{background:var(--brand-soft);color:var(--brand-dark)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1400px){
  .container{max-width:1280px;padding:0 24px}
}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-text,.btn-light,.btn-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:600;
  font-size:15.5px;
  line-height:1;
  padding:14px 24px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  cursor:pointer;
  min-height:44px;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-main{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.26)}
.btn-main:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.32)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C9DCD5}
.btn-ghost:hover{color:var(--brand-dark);border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost:active{transform:translateY(0)}
.btn-text{background:none;padding:8px 0;min-height:44px;color:var(--brand);text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}
.btn-text:hover{color:var(--brand-dark)}
.btn-light{background:#fff;color:var(--dark);border-color:#fff}
.btn-light:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-cta{
  background:var(--accent);
  color:#fff;
  padding:12px 20px;
  border-radius:999px;
  font-size:14.5px;
  box-shadow:0 8px 18px rgba(255,122,47,.24);
}
.btn-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
.btn-cta:active{transform:translateY(0)}
.btn-main:disabled,.btn-ghost:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 顶部 Dock 导航 ============ */
.site-header{
  position:fixed;
  top:14px;
  left:0;
  right:0;
  z-index:1030;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1080px,calc(100% - 32px));
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 14px;
  border-radius:18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(15,26,23,.08);
  box-shadow:var(--sh-2);
  transition:background-color .24s var(--ease),box-shadow .24s var(--ease),padding .24s var(--ease);
}
.dock.scrolled{
  background:rgba(255,255,255,.97);
  box-shadow:var(--sh-3);
  padding:7px 14px;
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  box-shadow:0 6px 14px rgba(17,107,84,.28);
  flex:0 0 auto;
}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16.5px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11.5px;color:var(--ink-3);letter-spacing:.14em}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.dock-menu a{
  display:inline-flex;align-items:center;
  padding:9px 15px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-2);
  min-height:44px;
  white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.dock-menu a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.dock-menu a.active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.dock-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{border-color:rgba(17,107,84,.4);color:var(--brand);transform:translateY(-2px)}
.dock-burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  cursor:pointer;
}
.dock-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.dock-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.dock-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.dock-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:1040;
  display:flex;
  align-items:center;
  gap:12px;
  padding:8px 8px 8px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.95);
  border:1px solid rgba(15,26,23,.08);
  box-shadow:var(--sh-3);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-meta{font-family:var(--font-num);font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;
  color:var(--ink-3);
}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C7CFCB}
.crumb .cur{color:var(--ink-3)}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:150px 0 84px;
  background:
    radial-gradient(720px 420px at 12% 6%, rgba(17,107,84,.07), transparent 62%),
    radial-gradient(560px 360px at 92% 20%, rgba(255,122,47,.08), transparent 66%),
    var(--bg);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,26,23,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(15,26,23,.035) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:56px;
  align-items:center;
  margin-top:26px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  border-radius:999px;
  padding:6px 14px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:20px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
}
.hero .lead{
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:38ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
}
.hero-media::before{
  content:"";
  position:absolute;inset:-14px;
  border-radius:30px;
  background:radial-gradient(circle at 50% 40%, rgba(17,107,84,.12), transparent 68%);
  z-index:0;
}
.hero-media img{
  position:relative;
  z-index:1;
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--sh-3);
}

/* 数据指标条 */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:44px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.stat-item{
  padding:20px 22px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0}
.stat-item .num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:27px;
  font-weight:700;
  line-height:1.2;
  color:var(--brand-dark);
  letter-spacing:-.01em;
}
.stat-item .num small{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:3px}
.stat-item .lbl{font-size:13px;color:var(--ink-3);margin-top:4px;letter-spacing:.02em}

/* ============ 文档骨架：左侧索引 + 右侧内容 ============ */
.doc-section{padding:80px 0 40px}
.doc-layout{
  display:grid;
  grid-template-columns:248px minmax(0,1fr);
  gap:52px;
  align-items:start;
}
.toc{
  position:sticky;
  top:104px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  padding:18px 16px;
  box-shadow:var(--sh-1);
}
.toc h4{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--ink-3);
  font-weight:600;
  text-transform:uppercase;
  margin-bottom:12px;
  padding-left:10px;
}
.toc a{
  display:block;
  position:relative;
  padding:10px 10px 10px 14px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--ink-2);
  border-left:3px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.toc a:hover{background:var(--bg);color:var(--brand-dark)}
.toc a.active{color:var(--brand);font-weight:700;border-left-color:var(--brand);background:var(--brand-soft)}
.toc .toc-note{
  margin-top:14px;
  padding:14px 12px;
  border-radius:var(--r-sm);
  background:var(--accent-soft);
  font-size:13px;
  line-height:1.7;
  color:var(--accent-dark);
}

.doc-content > section{margin-bottom:72px}
.doc-content > section:last-child{margin-bottom:0}

.sec-head{margin-bottom:26px}
.sec-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:999px;
  padding:5px 13px;
  margin-bottom:14px;
}
.sec-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.005em;
}
.sec-head p{
  margin-top:12px;
  color:var(--ink-2);
  max-width:62ch;
}

/* 图文块 */
.split{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:34px;
  align-items:center;
}
.split.rev .split-media{order:2}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
}
.split-body h3{
  font-size:21px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:12px;
}
.split-body p{color:var(--ink-2)}

/* 清单 */
.check-list{margin-top:18px;display:grid;gap:12px}
.check-list li{
  display:grid;
  grid-template-columns:24px minmax(0,1fr);
  gap:12px;
  align-items:start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 18px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.3)}
.check-list .ico{
  width:24px;height:24px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);
  color:var(--brand);
  margin-top:3px;
}
.check-list .ico svg{width:13px;height:13px}
.check-list b{display:block;font-size:15.5px;font-weight:600;margin-bottom:2px}
.check-list span{font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* 主色浅底要点带 */
.callout{
  margin:34px 0;
  border-radius:var(--r-md);
  background:var(--brand-soft);
  border:1px solid rgba(17,107,84,.16);
  padding:26px 28px;
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:18px;
  align-items:start;
}
.callout .c-ico{
  width:44px;height:44px;border-radius:14px;
  background:#fff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.callout .c-ico svg{width:22px;height:22px}
.callout h4{font-size:17px;font-weight:700;color:var(--brand-dark);margin-bottom:8px}
.callout p{font-size:15px;color:#20544A;line-height:1.78}

/* 步骤轴 */
.steps{display:grid;gap:18px;counter-reset:step}
.step{
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.3)}
.step .idx{
  width:52px;height:52px;border-radius:16px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:19px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(17,107,84,.22);
}
.step h3{font-size:18px;font-weight:600;margin-bottom:6px;line-height:1.45}
.step p{font-size:15px;color:var(--ink-2);line-height:1.78}
.step .meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;
}
.chip{
  display:inline-flex;align-items:center;
  font-size:12.5px;letter-spacing:.02em;
  padding:4px 11px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--ink-2);
  background:#fff;
}
.chip.solid{background:var(--brand-soft);border-color:transparent;color:var(--brand-dark);font-weight:600}

/* 权限矩阵 */
.perm-table{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.perm-row{
  display:grid;
  grid-template-columns:200px minmax(0,1fr) 150px;
  gap:18px;
  padding:18px 24px;
  border-bottom:1px solid var(--line);
  align-items:center;
}
.perm-row:last-child{border-bottom:0}
.perm-row .p-name{font-weight:600;font-size:15.5px}
.perm-row .p-desc{font-size:14.5px;color:var(--ink-2);line-height:1.75}
.perm-row .p-state{font-size:13px;color:var(--ok);font-weight:600}
.perm-head{
  background:var(--bg);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--ink-3);
  font-weight:600;
  padding:12px 24px;
}
.perm-head span{display:block}

/* 版本与兼容 */
.version-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.v-card{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  padding:24px 26px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.v-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.3)}
.v-card h3{font-size:17px;font-weight:600;margin-bottom:12px}
.v-card .v-line{
  display:flex;justify-content:space-between;gap:14px;
  font-size:14.5px;
  padding:9px 0;
  border-bottom:1px dashed var(--line);
  color:var(--ink-2);
}
.v-card .v-line:last-child{border-bottom:0}
.v-card .v-line b{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  color:var(--ink);
  font-weight:600;
}
.compat{
  margin-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;
}

/* FAQ */
.faq-wrap{max-width:860px}
.accordion.faq-acc{border-radius:0}
.faq-acc .accordion-item{
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-acc .accordion-item:first-child{border-top:1px solid var(--line)}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  background:transparent;
  border:0;
  box-shadow:none!important;
  padding:20px 44px 20px 0;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  min-height:56px;
  line-height:1.6;
  position:relative;
  border-radius:0;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-dark)}
.faq-acc .accordion-button::after{
  position:absolute;
  right:6px;
  top:50%;
  transform:translateY(-50%);
  width:22px;height:22px;
  background-image:none;
  content:"";
  border-radius:50%;
  background-color:var(--brand-soft);
  transition:transform .22s var(--ease),background-color .22s var(--ease);
  mask:none;
}
.faq-acc .accordion-button::before{
  content:"";
  position:absolute;
  right:12px;
  top:50%;
  width:10px;height:10px;
  transform:translateY(-50%);
  background:
    linear-gradient(var(--brand),var(--brand)) center/10px 2px no-repeat,
    linear-gradient(var(--brand),var(--brand)) center/2px 10px no-repeat;
  z-index:2;
  transition:transform .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::before{
  background:linear-gradient(var(--brand),var(--brand)) center/10px 2px no-repeat;
}
.faq-acc .accordion-button:hover{color:var(--brand)}
.faq-acc .accordion-button:hover::after{background-color:#D5E8E1}
.faq-acc .accordion-body{
  padding:0 40px 24px 0;
  font-size:15.5px;
  line-height:1.85;
  color:var(--ink-2);
}
.faq-acc .accordion-collapse{border-top:1px solid transparent}
.faq-acc .accordion-collapse.show{border-top-color:rgba(17,107,84,.35)}

/* 分类导览 */
.guide-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.guide-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.3)}
.guide-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.guide-card .g-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.guide-card .g-top{display:flex;align-items:center;gap:10px}
.guide-card h3{font-size:17.5px;font-weight:600;line-height:1.45}
.guide-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75}
.guide-card .g-link{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:7px;
  font-size:14.5px;font-weight:600;color:var(--brand);
}
.guide-card .g-link svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.guide-card:hover .g-link svg{transform:translateX(4px)}
.guide-card.current{border-color:var(--brand);box-shadow:0 12px 30px rgba(17,107,84,.14)}

/* CTA 条 */
.cta-band{
  margin-top:44px;
  border-radius:var(--r-lg);
  background:var(--dark);
  color:var(--dark-text);
  padding:40px 44px;
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  align-items:center;
  justify-content:space-between;
  box-shadow:var(--sh-3);
}
.cta-band h3{font-size:22px;font-weight:700;color:#fff;margin-bottom:8px}
.cta-band p{font-size:15px;color:#B9C6C1;max-width:56ch;line-height:1.8}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{
  margin-top:96px;
  background:var(--dark);
  color:var(--dark-text);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(237,242,239,.12);
}
.footer-brand{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.footer-brand b{font-size:17px;color:#fff;font-weight:700}
.footer-brand p{font-size:14px;color:#A9B7B2;line-height:1.8;max-width:42ch}
.footer-brand .contact{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:#8D9B96}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#A9B7B2}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;
  justify-content:space-between;
  align-items:center;
  padding-top:22px;
  font-size:13px;
  color:#8D9B96;
}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.footer-bottom .legal a{color:#A9B7B2}
.footer-bottom .legal a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .doc-layout{grid-template-columns:220px minmax(0,1fr);gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-grid .footer-col:last-child{grid-column:span 3}
}
@media (max-width:991px){
  body{font-size:16px}
  .dock-menu{
    position:fixed;
    left:16px;right:16px;top:82px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:20px;
    padding:16px;
    box-shadow:var(--sh-3);
    max-height:calc(100vh - 110px);
    overflow-y:auto;
  }
  .dock.menu-open .dock-menu{display:flex}
  .dock-menu a{padding:14px 16px;font-size:16px;min-height:48px}
  .dock-burger{display:flex}
  .dock-right .icon-btn{display:none}
  .hero{padding:130px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero .lead{max-width:100%}
  .doc-layout{grid-template-columns:1fr;gap:28px}
  .toc{
    position:static;
    display:flex;
    gap:10px;
    overflow-x:auto;
    padding:12px;
    scrollbar-width:none;
  }
  .toc::-webkit-scrollbar{display:none}
  .toc h4,.toc .toc-note{display:none}
  .toc a{
    flex:0 0 auto;
    border-left:0;
    border-bottom:3px solid transparent;
    border-radius:10px;
    padding:10px 14px;
    white-space:nowrap;
  }
  .toc a.active{border-bottom-color:var(--brand)}
  .split{grid-template-columns:1fr;gap:24px}
  .split.rev .split-media{order:0}
  .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .perm-row{grid-template-columns:1fr;gap:8px;padding:18px 20px}
  .perm-head{display:none}
  .cta-band{padding:32px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-grid .footer-col:last-child{grid-column:span 2}
}
@media (max-width:767px){
  .doc-section{padding:64px 0 24px}
  .doc-content > section{margin-bottom:56px}
  .split-media img{aspect-ratio:16/9}
  .version-grid{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr}
  .float-cta{
    left:12px;right:12px;bottom:12px;
    border-radius:16px;
    justify-content:space-between;
    padding:10px 10px 10px 16px;
  }
  .float-cta .btn-cta{padding:12px 18px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn-main,.cta-band .cta-actions .btn-light{flex:1}
}
@media (max-width:575px){
  body{font-size:15.5px;line-height:1.8}
  .dock{width:calc(100% - 20px);padding:9px 10px;gap:10px}
  .logo-mark{width:34px;height:34px}
  .logo-text b{font-size:15px}
  .logo-text em{font-size:10.5px;letter-spacing:.08em}
  .dock-right .btn-cta{padding:11px 14px;font-size:13.5px}
  .hero{padding:118px 0 52px}
  .hero h1{font-size:30px}
  .hero .lead{font-size:15.5px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .stat-bar{grid-template-columns:1fr 1fr}
  .stat-item{padding:16px}
  .stat-item .num{font-size:22px}
  .callout{grid-template-columns:1fr;padding:22px}
  .step{grid-template-columns:1fr;padding:20px}
  .step .idx{width:44px;height:44px;font-size:17px}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid .footer-col:last-child{grid-column:span 1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-acc .accordion-body{padding-right:0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
}

/* roulang page: category2 */
:root{
  --brand:#116B54; --brand-d:#0B4437; --brand-l:#E6F1ED;
  --accent:#FF7A2F; --accent-d:#E4631A; --accent-l:#FFF0E6;
  --gold:#FFC94A;
  --ink:#15211E; --sub:#5D6B66; --muted:#8A9995;
  --line:#E4E7E2; --bg:#F7F6F2; --card:#FFFFFF;
  --dark:#0F1A17; --dark-t:#EDF2EF; --dark-sub:#A7B6B0;
  --ok:#2E9E6B; --warn:#E0A200; --err:#D94F4F;
  --r-sm:12px; --r:18px; --r-lg:24px; --r-pill:999px;
  --sh-1:0 2px 6px rgba(15,26,23,.05);
  --sh-2:0 10px 28px rgba(15,26,23,.08);
  --sh-3:0 18px 40px rgba(15,26,23,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);font-size:16.5px;line-height:1.85;
  color:var(--ink);background:var(--bg);overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:.005em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand-d);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}
::selection{background:var(--brand-l);color:var(--brand-d);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:1400px){.container{max-width:1280px;}}
.num{font-family:var(--num);font-variant-numeric:tabular-nums;}

/* ---------- 顶部浮动导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;padding-top:14px;}
.dock{
  width:min(1080px,calc(100% - 32px));margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:10px 14px;border-radius:18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(15,26,23,.08);
  box-shadow:var(--sh-2);
  transition:box-shadow .24s var(--ease),background .24s var(--ease),padding .24s var(--ease);
}
.site-header.scrolled .dock{background:rgba(255,255,255,.97);box-shadow:var(--sh-3);padding:8px 14px;}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand),var(--brand-d));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(11,68,55,.28);
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.02em;}
.logo-text em{font-style:normal;font-size:11.5px;color:var(--sub);letter-spacing:.06em;}
.dock-menu{display:flex;align-items:center;gap:4px;margin:0 auto;}
.dock-menu a{
  display:inline-flex;align-items:center;height:40px;padding:0 15px;border-radius:var(--r-pill);
  font-size:15px;color:var(--sub);font-weight:500;transition:background .2s var(--ease),color .2s var(--ease);
}
.dock-menu a:hover{background:#F1F4F2;color:var(--brand-d);}
.dock-menu a.active{background:var(--brand-l);color:var(--brand-d);font-weight:600;}
.dock-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--sub);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{border-color:rgba(17,107,84,.4);color:var(--brand);transform:translateY(-2px);}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;
  border-radius:var(--r-pill);background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 18px rgba(228,99,26,.26);
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-cta:hover{background:var(--accent-d);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(228,99,26,.32);}
.btn-cta:active{transform:translateY(0);}
.dock-burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
}
.dock-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .24s var(--ease),opacity .2s var(--ease);}
body.nav-open .dock-burger span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.nav-open .dock-burger span:nth-child(2){opacity:0;}
body.nav-open .dock-burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-drawer{display:none;}

@media(max-width:991.98px){
  .dock-menu,.dock-right .icon-btn{display:none;}
  .dock-burger{display:flex;margin-left:auto;}
  .dock-right{margin-left:auto;}
  .nav-drawer{
    display:block;position:fixed;left:16px;right:16px;top:86px;z-index:1029;
    background:#fff;border-radius:22px;border:1px solid var(--line);
    box-shadow:var(--sh-3);padding:14px;
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease);
    max-height:calc(100vh - 120px);overflow-y:auto;
  }
  body.nav-open .nav-drawer{opacity:1;transform:none;pointer-events:auto;}
  .nav-drawer a{
    display:flex;align-items:center;min-height:48px;padding:0 16px;border-radius:14px;
    font-size:16px;color:var(--ink);font-weight:500;
  }
  .nav-drawer a:hover{background:#F1F4F2;}
  .nav-drawer a.active{background:var(--brand-l);color:var(--brand-d);font-weight:600;}
  .nav-drawer .drawer-divider{height:1px;background:var(--line);margin:10px 4px;}
  .nav-drawer .drawer-cta{
    margin-top:8px;background:var(--accent);color:#fff;justify-content:center;font-weight:600;
  }
  .nav-drawer .drawer-cta:hover{background:var(--accent-d);color:#fff;}
}
@media(max-width:575.98px){
  .logo-text em{display:none;}
  .dock{padding:8px 10px;}
}

/* ---------- 分类首屏 ---------- */
.cat-hero{position:relative;padding:52px 0 40px;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.10;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:radial-gradient(880px 360px at 80% 6%,rgba(17,107,84,.13),transparent 68%);
}
.cat-hero .container{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C6CFCB;}
.crumb .cur{color:var(--sub);}
.cat-hero .pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--brand-l);color:var(--brand-d);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.25;font-weight:800;
  margin:18px 0 16px;max-width:760px;
}
.cat-hero .lead{font-size:17px;color:var(--sub);max-width:640px;line-height:1.8;}
.cat-hero .hero-note{
  margin-top:22px;padding:18px 22px;border-radius:var(--r);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  max-width:720px;font-size:15.5px;color:var(--sub);
}
.hero-stats{
  margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-1);display:grid;grid-template-columns:repeat(4,1fr);
}
.hero-stats .stat{padding:20px 22px;border-right:1px solid var(--line);}
.hero-stats .stat:last-child{border-right:0;}
.hero-stats .stat b{display:block;font-size:25px;font-weight:800;color:var(--brand-d);line-height:1.3;}
.hero-stats .stat span{display:block;font-size:13px;color:var(--muted);margin-top:2px;}
@media(max-width:767.98px){
  .hero-stats{grid-template-columns:1fr 1fr;}
  .hero-stats .stat:nth-child(2){border-right:0;}
  .hero-stats .stat:nth-child(1),.hero-stats .stat:nth-child(2){border-bottom:1px solid var(--line);}
}

/* ---------- 分类胶囊切换 ---------- */
.cat-switch{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.6);}
.cat-switch .chips{
  display:flex;gap:10px;padding:14px 0;overflow-x:auto;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.cat-switch .chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:42px;padding:0 20px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:14.5px;color:var(--sub);font-weight:500;white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.chip:hover{border-color:rgba(17,107,84,.4);color:var(--brand-d);transform:translateY(-2px);}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.tight{padding:72px 0 96px;}
.section-head{max-width:720px;margin-bottom:38px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--accent-d);text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;margin-bottom:12px;}
.section-head p{color:var(--sub);font-size:16px;}
@media(max-width:767.98px){.section{padding:56px 0;} .section.tight{padding:48px 0 64px;}}

/* ---------- 双列图文卡 ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start;}
.feat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.3);}
.feat-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E8EFEB;}
.feat-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.feat-card:hover .thumb img{transform:scale(1.03);}
.feat-card .badge-soft{
  position:absolute;left:14px;top:14px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--brand-d);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.feat-body{padding:22px 24px 26px;}
.feat-body h3{font-size:20px;line-height:1.4;margin-bottom:10px;}
.feat-body p{color:var(--sub);font-size:15.5px;line-height:1.8;}
.feat-list{margin-top:16px;border-top:1px dashed var(--line);padding-top:14px;}
.feat-list li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--sub);line-height:1.75;margin-bottom:8px;
}
.feat-list li:last-child{margin-bottom:0;}
.feat-list li::before{
  content:"";position:absolute;left:2px;top:10px;width:7px;height:7px;border-radius:2px;
  background:var(--brand-l);border:2px solid var(--brand);
}
.feat-card.reverse .thumb{order:-1;}
@media(max-width:991.98px){.feat-grid{grid-template-columns:1fr;}}

/* ---------- 深色引用带 ---------- */
.dark-band{
  background:var(--dark);border-radius:var(--r-lg);color:var(--dark-t);
  padding:52px 48px;position:relative;overflow:hidden;
}
.dark-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.20),transparent 68%);
}
.dark-band .band-inner{position:relative;z-index:1;display:flex;gap:26px;align-items:flex-start;}
.band-icon{
  width:56px;height:56px;border-radius:16px;flex:0 0 auto;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;
}
.band-icon svg{width:26px;height:26px;stroke:var(--gold);}
.dark-band h3{font-size:clamp(20px,2.2vw,26px);line-height:1.45;color:#fff;margin-bottom:12px;}
.dark-band p{color:var(--dark-sub);font-size:15.5px;max-width:720px;}
.band-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;}
.btn-light{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-sm);
  background:#fff;color:var(--dark);font-size:15px;font-weight:600;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.btn-light:hover{background:#F1F4F2;color:var(--dark);transform:translateY(-2px);}
.btn-outline-light{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.28);color:var(--dark-t);font-size:15px;font-weight:600;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-outline-light:hover{border-color:#fff;color:#fff;transform:translateY(-2px);}
@media(max-width:767.98px){
  .dark-band{padding:34px 24px;border-radius:var(--r);}
  .dark-band .band-inner{flex-direction:column;gap:18px;}
}

/* ---------- 常见疑问短列表 ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.qa-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.qa-item:hover{border-color:rgba(17,107,84,.3);box-shadow:var(--sh-2);transform:translateY(-4px);}
.qa-item .q{display:flex;gap:10px;align-items:flex-start;font-size:16.5px;font-weight:600;line-height:1.6;}
.qa-item .q .idx{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;margin-top:2px;
  background:var(--accent-l);color:var(--accent-d);
  font-family:var(--num);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.qa-item .a{margin-top:10px;padding-left:34px;font-size:14.8px;color:var(--sub);line-height:1.8;}
@media(max-width:767.98px){.qa-grid{grid-template-columns:1fr;}}

/* ---------- 分类导览 ---------- */
.nav-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.nav-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.3);}
.nav-card .tag{
  display:inline-block;padding:3px 12px;border-radius:var(--r-pill);
  background:var(--brand-l);color:var(--brand-d);font-size:12.5px;font-weight:600;
}
.nav-card h3{font-size:18.5px;margin:14px 0 8px;}
.nav-card p{font-size:14.5px;color:var(--sub);line-height:1.75;}
.nav-card .go{
  margin-top:16px;display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--accent-d);
}
.nav-card .go svg{width:15px;height:15px;transition:transform .2s var(--ease);}
.nav-card:hover .go svg{transform:translateX(3px);}
.nav-card.current{border-color:var(--brand);background:var(--brand-l);}
.nav-card.current .tag{background:var(--brand);color:#fff;}
@media(max-width:991.98px){.nav-cards{grid-template-columns:1fr;}}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:linear-gradient(135deg,var(--brand-d),var(--brand));
  border-radius:var(--r-lg);padding:44px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.30),transparent 66%);
}
.cta-bar .cta-text{position:relative;z-index:1;max-width:640px;}
.cta-bar h3{font-size:clamp(20px,2.2vw,26px);color:#fff;margin-bottom:8px;}
.cta-bar p{color:rgba(255,255,255,.82);font-size:15.5px;}
.cta-bar .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-sm);
  background:var(--accent);color:#fff;font-size:15.5px;font-weight:600;border:0;cursor:pointer;
  box-shadow:0 10px 22px rgba(228,99,26,.28);
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-main:hover{background:var(--accent-d);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(228,99,26,.34);}
.btn-main:active{transform:translateY(0);}
.btn-main:disabled{background:#D9DCD9;color:#8A9995;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);color:var(--brand-d);font-size:15.5px;font-weight:600;
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-ghost:hover{border-color:rgba(17,107,84,.5);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
@media(max-width:767.98px){.cta-bar{padding:32px 24px;border-radius:var(--r);}}

/* ---------- 相关阅读卡 ---------- */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.read-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.3);}
.read-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#E8EFEB;}
.read-card .thumb img{width:100%;height:100%;object-fit:cover;}
.read-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.read-card .badge-line{
  align-self:flex-start;padding:3px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);font-size:12.5px;color:var(--sub);margin-bottom:12px;
}
.read-card h3{
  font-size:17.5px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.read-card p{
  font-size:14.5px;color:var(--sub);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.read-card .meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.read-card .meta svg{width:16px;height:16px;stroke:var(--accent);transition:transform .2s var(--ease);}
.read-card:hover .meta svg{transform:translateX(3px);}
@media(max-width:991.98px){.read-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:575.98px){.read-grid{grid-template-columns:1fr;}}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 16px 34px rgba(228,99,26,.34);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease),background .2s var(--ease);
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--accent-d);color:#fff;}
.float-cta svg{width:18px;height:18px;}
@media(max-width:575.98px){
  .float-cta{
    right:12px;left:12px;bottom:12px;justify-content:center;border-radius:14px;
    padding:13px 18px;font-size:15px;
  }
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-t);margin-top:0;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;flex-direction:column;gap:12px;}
.footer-brand .logo-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(140deg,var(--brand),var(--brand-d));}
.footer-brand b{font-size:17px;color:#fff;font-weight:700;}
.footer-brand p{font-size:14.5px;color:var(--dark-sub);line-height:1.8;max-width:340px;}
.footer-brand .contact{display:flex;flex-direction:column;gap:4px;font-size:13.5px;color:var(--dark-sub);}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14.5px;color:var(--dark-sub);}
.footer-col ul a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--dark-sub);
}
.footer-bottom .legal{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.footer-bottom a{color:var(--dark-sub);}
.footer-bottom a:hover{color:#fff;}
@media(max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:575.98px){
  .site-footer{padding:48px 0 96px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}

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

/* roulang page: category3 */
:root{
  --brand:#116B54;
  --brand-dark:#0B4437;
  --brand-soft:#E6F1ED;
  --accent:#FF7A2F;
  --accent-dark:#E4631A;
  --accent-soft:#FFF0E6;
  --gold:#FFC94A;
  --text:#15211E;
  --text-2:#5D6B66;
  --text-3:#8A9995;
  --line:#E4E7E2;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0F1A17;
  --dark-text:#EDF2EF;
  --ok:#2E9E6B;
  --warn:#E0A200;
  --err:#D94F4F;
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(15,26,23,.05);
  --sh-2:0 10px 28px rgba(15,26,23,.08);
  --sh-3:0 18px 40px rgba(15,26,23,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-top:96px;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;letter-spacing:0}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;font-weight:800}
h2{font-size:34px;line-height:1.3}
h3{font-size:24px;line-height:1.4;font-weight:600}
h4{font-size:19px;line-height:1.5;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:var(--brand);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:1400px){.container{max-width:1280px}}

/* ============ 顶部浮动 Dock 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  padding:14px 16px 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  position:relative;
  width:min(1080px,100%);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 14px;
  border-radius:18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(15,26,23,.08);
  box-shadow:var(--sh-3);
  transition:background var(--t) var(--ease),box-shadow var(--t) var(--ease),padding var(--t) var(--ease);
}
.dock.scrolled{
  background:#fff;
  box-shadow:0 14px 34px rgba(15,26,23,.14);
  padding:8px 14px;
}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;
  border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:grid;place-items:center;
  flex-shrink:0;
  box-shadow:0 6px 14px rgba(17,107,84,.28);
}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-text b{font-size:16.5px;font-weight:800;color:var(--text);letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.08em}
.dock-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
}
.dock-menu a{
  display:inline-block;
  padding:9px 15px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.dock-menu a:hover{background:var(--brand-soft);color:var(--brand)}
.dock-menu a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.dock-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--text-2);
  background:#fff;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:rgba(17,107,84,.35);color:var(--brand);transform:translateY(-1px)}
.btn-cta{
  display:inline-block;
  padding:10px 20px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:#fff;
  font-weight:600;
  font-size:14.5px;
  white-space:nowrap;
  box-shadow:0 8px 18px rgba(255,122,47,.26);
  transition:background var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(228,99,26,.3)}
.btn-cta:active{transform:translateY(0)}
.dock-burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  padding:0;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.dock-burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.dock-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.dock-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.dock-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

@media(max-width:991.98px){
  .dock-burger{display:flex;margin-left:auto}
  .dock-logo{margin-right:auto}
  .dock-menu{
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:12px;
    background:#fff;
    border-radius:18px;
    border:1px solid var(--line);
    box-shadow:var(--sh-3);
    margin:0;
  }
  .dock-menu.open{display:flex}
  .dock-menu a{padding:14px 16px;min-height:48px;display:flex;align-items:center;font-size:16px}
  .dock-right .icon-btn{display:none}
}
@media(max-width:575.98px){
  body{padding-top:86px}
  .site-header{padding:10px 12px 0}
  .btn-cta{padding:9px 15px;font-size:13.5px}
  .logo-text em{display:none}
}

/* ============ 通用按钮 ============ */
.btn-main,.btn-ghost,.btn-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:12px 26px;
  border-radius:var(--r-btn);
  font-weight:600;
  font-size:15.5px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn-main{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(255,122,47,.26)}
.btn-main:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(228,99,26,.3)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(17,107,84,.35)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--dark);border-color:#fff}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-main:disabled,.btn-ghost:disabled,.btn-light:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 首屏 ============ */
.page-hero{padding:28px 0 0}
.hero-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  padding:56px 52px 52px;
  color:#fff;
  background:
    linear-gradient(120deg,rgba(11,68,55,.94) 0%,rgba(17,107,84,.82) 62%,rgba(17,107,84,.72) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  box-shadow:var(--sh-3);
}
.hero-card::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.24),rgba(255,122,47,0) 68%);
  pointer-events:none;
}
.crumbs{font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:20px;position:relative;z-index:1}
.crumbs a{color:rgba(255,255,255,.9)}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumbs span{color:rgba(255,255,255,.72)}
.crumbs .sep{margin:0 8px;opacity:.6}
.hero-tag{
  display:inline-block;
  padding:6px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  font-size:13px;
  letter-spacing:.02em;
  color:#fff;
  margin-bottom:20px;
  position:relative;z-index:1;
}
.hero-card h1{color:#fff;position:relative;z-index:1;max-width:820px}
.hero-lead{
  margin-top:18px;
  max-width:640px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.88);
  position:relative;z-index:1;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;position:relative;z-index:1}

/* ============ 数据指标条 ============ */
.stats-band{
  margin-top:-34px;
  position:relative;
  z-index:5;
}
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  overflow:hidden;
}
.stat{
  padding:26px 22px;
  text-align:center;
  border-right:1px solid var(--line);
}
.stat:last-child{border-right:none}
.stat b{
  display:block;
  font-size:26px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
  line-height:1.3;
}
.stat span{display:block;font-size:13px;color:var(--text-2);margin-top:4px}
@media(max-width:767.98px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:1px solid var(--line)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
}

/* ============ 板块 ============ */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head .kicker{
  display:inline-block;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--brand);
  background:var(--brand-soft);
  padding:6px 14px;
  border-radius:var(--r-pill);
  margin-bottom:16px;
}
.sec-head h2{margin-bottom:14px}
.sec-head p{color:var(--text-2);font-size:16.5px;max-width:680px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center p{margin-left:auto;margin-right:auto}

/* ============ 步骤轴 ============ */
.axis{max-width:940px;margin:0 auto}
.axis-item{
  display:grid;
  grid-template-columns:76px 1fr;
  gap:20px;
  position:relative;
}
.axis-rail{position:relative;display:flex;justify-content:center}
.axis-rail::before{
  content:"";
  position:absolute;
  top:52px;bottom:-26px;
  width:2px;
  background:var(--line);
}
.axis-item:last-child .axis-rail::before{display:none}
.axis-dot{
  position:relative;
  z-index:2;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand);
  font-weight:700;
  font-size:15px;
  display:grid;
  place-items:center;
  border:2px solid #fff;
  box-shadow:var(--sh-1);
  font-variant-numeric:tabular-nums;
}
.axis-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 28px;
  box-shadow:var(--sh-1);
  margin-bottom:26px;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.axis-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.32)}
.axis-card h3{margin-bottom:10px}
.axis-card p{color:var(--text-2);font-size:16px}
.axis-list{margin-top:16px;display:grid;gap:10px}
.axis-list li{
  position:relative;
  padding-left:26px;
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.7;
}
.axis-list li::before{
  content:"";
  position:absolute;
  left:2px;top:10px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--accent);
}
@media(max-width:640px){
  .axis-item{grid-template-columns:44px 1fr;gap:14px}
  .axis-dot{width:36px;height:36px;font-size:13.5px}
  .axis-rail::before{top:42px;bottom:-20px}
  .axis-card{padding:20px 18px;border-radius:14px}
  .axis-card h3{font-size:20px}
}

/* ============ 问题分类卡 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:991.98px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:575.98px){.card-grid{grid-template-columns:1fr}}
.prob-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.prob-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.32)}
.prob-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.prob-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.prob-card:hover .thumb img{transform:scale(1.04)}
.prob-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.badge-cat{
  display:inline-block;
  align-self:flex-start;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  letter-spacing:.02em;
  margin-bottom:14px;
}
.badge-line{
  display:inline-block;
  padding:5px 13px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:13px;
  letter-spacing:.02em;
}
.prob-body h3{font-size:19px;margin-bottom:10px}
.prob-body p{color:var(--text-2);font-size:15.5px;line-height:1.8}
.prob-body .foot{
  margin-top:auto;
  padding-top:18px;
  font-size:13.5px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:8px;
}

/* ============ 主色浅底要点带 ============ */
.note-band{
  background:var(--brand-soft);
  border:1px solid rgba(17,107,84,.16);
  border-radius:var(--r-lg);
  padding:38px 40px;
  display:grid;
  grid-template-columns:1.1fr 1.6fr;
  gap:32px;
  align-items:center;
}
.note-band h3{color:var(--brand-dark);margin-bottom:8px;font-size:22px}
.note-band .nb-lead{color:var(--text-2);font-size:15.5px}
.note-points{display:grid;gap:14px}
.note-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15.5px;
  color:var(--text);
  line-height:1.7;
}
.note-points .dot{
  flex-shrink:0;
  width:22px;height:22px;
  margin-top:5px;
  border-radius:50%;
  background:var(--brand);
  display:grid;place-items:center;
}
.note-points .dot svg{width:12px;height:12px;stroke:#fff}
@media(max-width:767.98px){
  .note-band{grid-template-columns:1fr;padding:28px 22px;gap:20px}
}

/* ============ 深色引用带 ============ */
.quote-band{
  background:var(--dark);
  border-radius:var(--r-lg);
  padding:44px 44px;
  color:var(--dark-text);
  display:flex;
  gap:24px;
  align-items:center;
}
.quote-band .q-icon{
  flex-shrink:0;
  width:56px;height:56px;
  border-radius:16px;
  background:rgba(255,122,47,.16);
  display:grid;place-items:center;
}
.quote-band .q-icon svg{width:26px;height:26px;stroke:var(--accent)}
.quote-band strong{display:block;font-size:20px;font-weight:700;color:#fff;line-height:1.6;margin-bottom:8px}
.quote-band span{font-size:15px;color:rgba(237,242,239,.72);line-height:1.8}
@media(max-width:640px){
  .quote-band{flex-direction:column;align-items:flex-start;padding:28px 22px;gap:16px}
  .quote-band strong{font-size:18px}
}

/* ============ FAQ 手风琴 ============ */
.faq-wrap{max-width:820px;margin:0 auto}
.accordion-item{
  background:transparent;
  border:none;
  border-bottom:1px solid var(--line);
}
.accordion-item:first-of-type{border-top:1px solid var(--line)}
.accordion-button{
  background:transparent;
  box-shadow:none;
  padding:20px 4px;
  min-height:56px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  line-height:1.6;
  gap:16px;
  transition:color var(--t) var(--ease);
}
.accordion-button:not(.collapsed){
  color:var(--brand);
  background:transparent;
  box-shadow:none;
  border-top:1px solid var(--brand);
}
.accordion-button:hover{color:var(--brand)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:2px}
.accordion-button::after{
  content:"+";
  flex-shrink:0;
  width:28px;height:28px;
  display:grid;place-items:center;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:19px;
  font-weight:400;
  line-height:1;
  background-image:none;
  transition:transform var(--t) var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-body{
  padding:4px 4px 26px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
}
@media(max-width:575.98px){
  .accordion-button{font-size:15.5px;padding:16px 2px}
}

/* ============ 分类导览 ============ */
.nav-pills-fz{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
@media(max-width:767.98px){.nav-pills-fz{grid-template-columns:1fr}}
.pill-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 24px 22px;
  box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.pill-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.32)}
.pill-card b{display:block;font-size:18px;color:var(--text);margin-bottom:8px}
.pill-card span{display:block;font-size:14.5px;color:var(--text-2);line-height:1.75}
.pill-card.is-current{border-color:var(--brand);background:var(--brand-soft)}
.pill-card.is-current b{color:var(--brand-dark)}

/* ============ CTA 条 ============ */
.cta-band{
  background:linear-gradient(120deg,var(--brand-dark) 0%,var(--brand) 100%);
  border-radius:var(--r-lg);
  padding:48px 48px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--sh-3);
}
.cta-band h3{color:#fff;font-size:26px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px;max-width:560px;margin:0}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}
@media(max-width:991.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px}
  .cta-band h3{font-size:22px}
}

/* ============ 相关阅读 ============ */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:991.98px){.read-grid{grid-template-columns:1fr 1fr}}
@media(max-width:575.98px){.read-grid{grid-template-columns:1fr}}
.read-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,107,84,.32)}
.read-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.read-card .thumb img{width:100%;height:100%;object-fit:cover}
.read-card .rb{padding:22px 22px 24px}
.read-card h4{font-size:17px;line-height:1.55;margin-bottom:10px}
.read-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.read-card .rmeta{margin-top:16px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:24px;bottom:24px;
  z-index:1040;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 24px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:#fff;
  font-weight:600;
  font-size:15px;
  box-shadow:0 16px 34px rgba(228,99,26,.32);
  opacity:0;
  transform:translateY(16px);
  pointer-events:none;
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),background var(--t) var(--ease);
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--accent-dark);color:#fff}
.float-cta svg{width:18px;height:18px;stroke:#fff}
@media(max-width:767.98px){
  .float-cta{
    right:0;left:0;bottom:0;
    border-radius:0;
    padding:12px 18px;
    justify-content:space-between;
    transform:translateY(100%);
    box-shadow:0 -10px 26px rgba(15,26,23,.14);
  }
  .float-cta.show{transform:translateY(0)}
  .float-cta .ver{font-size:12.5px;font-weight:500;opacity:.9}
  .float-cta .go{
    display:inline-flex;align-items:center;gap:6px;
    background:rgba(255,255,255,.18);
    padding:8px 16px;border-radius:var(--r-pill);font-size:14px;
  }
  body{padding-bottom:66px}
}
@media(min-width:768px){.float-cta .ver{display:none}.float-cta .go{display:inline-flex;align-items:center;gap:8px}}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:var(--dark-text);
  padding:76px 0 32px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .logo-mark{margin-bottom:16px}
.footer-brand b{display:block;font-size:18px;color:#fff;margin-bottom:12px}
.footer-brand p{font-size:14.5px;color:rgba(237,242,239,.7);line-height:1.8;max-width:340px}
.footer-brand .contact{margin-top:18px;display:grid;gap:6px;font-size:13.5px;color:rgba(237,242,239,.6)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.5px;color:rgba(237,242,239,.72)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid rgba(237,242,239,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(237,242,239,.6);
}
.footer-bottom .legal{display:flex;gap:20px;flex-wrap:wrap;align-items:center}
.footer-bottom .legal a{color:rgba(237,242,239,.66)}
.footer-bottom .legal a:hover{color:#fff}
@media(max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:56px 0 26px;margin-top:66px}
}

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