/* roulang page: index */
:root{
  --brand-900:#08221F;
  --brand-700:#0B3B34;
  --brand-500:#14876F;
  --brand-300:#6FC2A8;
  --lime-500:#C6F24E;
  --lime-600:#A8D93A;
  --amber-500:#FF8A3D;
  --bg:#F4F6F1;
  --surface:#FFFFFF;
  --ink:#0F1A18;
  --ink-2:#5A6B67;
  --ink-3:#93A19C;
  --line:#E3E8E1;
  --dark-line:rgba(255,255,255,.12);
  --dark-text:#EAF3EF;
  --grad-brand:linear-gradient(120deg,#0B3B34 0%,#14876F 55%,#1FA98A 100%);
  --grad-lime:linear-gradient(120deg,#C6F24E 0%,#A8D93A 100%);
  --r-btn:12px;
  --r-card:20px;
  --r-hero:28px;
  --r-img:16px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(11,59,52,.06),0 8px 24px -12px rgba(11,59,52,.18);
  --sh-hover:0 18px 40px -18px rgba(11,59,52,.28);
  --sh-inset:inset 0 0 0 1px rgba(198,242,78,.18);
  --sp-section:96px;
  --font-base:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"SFMono-Regular",Menlo,Consolas,monospace;
  --bs-primary:#14876F;
  --bs-body-color:#0F1A18;
  --bs-body-bg:#F4F6F1;
  --bs-border-color:#E3E8E1;
  --bs-border-radius:12px;
  --bs-border-radius-lg:20px;
  --bs-border-radius-xl:28px;
  --bs-link-color:#0B3B34;
  --bs-link-hover-color:#14876F;
  --bs-font-sans-serif:var(--font-base);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .16s ease,background-color .16s ease;}
a:hover{color:var(--brand-500);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:3px solid var(--lime-500);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-family:var(--font-num);}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
.container-narrow{max-width:1200px;}
.section{padding:var(--sp-section) 0;}
.section-sm{padding:72px 0;}
.section-head{margin-bottom:40px;}
.section-head.between{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand-500);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--lime-500);border-radius:2px;display:inline-block;}
h1.hero-title{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
}
h2.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;}
.section-sub{color:var(--ink-2);font-size:16px;max-width:620px;margin-top:12px;}
.muted{color:var(--ink-2);}
.small{font-size:14px;color:var(--ink-2);}
.tiny{font-size:13px;color:var(--ink-3);}

/* ---------- 顶部进度条 ---------- */
.top-progress{position:fixed;top:0;left:0;height:3px;width:100%;background:var(--grad-brand);z-index:2000;transform-origin:left;transform:scaleX(0);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1500;
  background:var(--bg);
  border-bottom:1px solid transparent;
  transition:height .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header .nav-inner{
  display:flex;align-items:center;gap:20px;
  height:68px;transition:height .2s ease;
}
.site-header.is-scrolled{
  background:rgba(244,246,241,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 16px -8px rgba(11,59,52,.6);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text .l1{font-size:16px;font-weight:800;color:var(--brand-900);letter-spacing:.02em;}
.brand-text .l2{font-size:11px;color:var(--ink-2);letter-spacing:.06em;}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto;}
.main-nav a{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:14.5px;color:var(--ink-2);font-weight:500;border-radius:10px;
}
.main-nav a:hover{color:var(--brand-700);background:rgba(20,135,111,.07);}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--lime-500);transform:scaleX(0);transition:transform .18s ease;
}
.main-nav a.is-active{color:var(--brand-900);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.command-search{
  position:relative;display:flex;align-items:center;
  width:280px;height:40px;padding:0 10px 0 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  transition:width .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.command-search:focus-within{width:380px;border-color:var(--brand-300);box-shadow:0 0 0 3px rgba(198,242,78,.35);}
.command-search svg{width:16px;height:16px;color:var(--ink-3);flex:0 0 auto;}
.command-search input{
  flex:1;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink);padding:0 10px;min-width:0;
}
.command-search input::placeholder{color:var(--ink-3);}
.kbd{
  font-size:11px;font-family:var(--font-num);color:var(--ink-2);
  border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;
  padding:2px 6px;background:#FBFCF9;flex:0 0 auto;
}
.hot-panel{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-card);padding:14px;display:none;
}
.command-search:focus-within .hot-panel{display:block;}
.hot-panel .hp-title{font-size:12px;color:var(--ink-3);letter-spacing:.06em;margin-bottom:8px;}
.hot-panel .hp-list{display:flex;flex-wrap:wrap;gap:8px;}
.hot-panel .hp-list span{
  font-size:12.5px;color:var(--brand-700);background:rgba(20,135,111,.08);
  border:1px solid rgba(20,135,111,.14);border-radius:var(--r-pill);padding:4px 10px;
}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700);
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{background:rgba(20,135,111,.08);transform:translateY(-1px);box-shadow:var(--sh-card);}
.icon-btn:active{transform:translateY(0);}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border:0;border-radius:var(--r-btn);
  background:var(--grad-lime);color:var(--brand-900);font-weight:700;font-size:15px;
  box-shadow:0 8px 20px -12px rgba(168,217,58,.9);
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
}
.btn-lime:hover{background:var(--lime-600);color:var(--brand-900);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(168,217,58,1);}
.btn-lime:active{transform:translateY(1px);}
.btn-lime:disabled,.btn-lime.is-loading{opacity:.6;filter:saturate(.6);cursor:not-allowed;transform:none;}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 22px;border:1.5px solid var(--brand-700);border-radius:var(--r-btn);
  background:transparent;color:var(--brand-700);font-weight:600;font-size:15px;
  transition:background-color .18s ease,color .18s ease,transform .16s ease;
}
.btn-outline-brand:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);}
.btn-outline-light-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 22px;border:1.5px solid rgba(234,243,239,.5);border-radius:var(--r-btn);
  background:transparent;color:var(--dark-text);font-weight:600;font-size:15px;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .16s ease;
}
.btn-outline-light-brand:hover{background:var(--dark-text);color:var(--brand-900);border-color:var(--dark-text);transform:translateY(-1px);}
.text-link{
  color:var(--brand-700);border-bottom:1px dashed var(--brand-300);padding-bottom:1px;
  transition:background-color .16s ease,border-color .16s ease;
}
.text-link:hover{background:rgba(198,242,78,.18);border-bottom-style:solid;color:var(--brand-900);}
.nav-burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;color:var(--brand-700);
}
.nav-burger svg{width:20px;height:20px;}

/* 抽屉 */
.offcanvas-brand{background:var(--bg);border-left:1px solid var(--line);}
.offcanvas-brand .drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:16px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.offcanvas-brand .drawer-nav a.is-active{color:var(--brand-500);}
.drawer-search{
  display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:10px 14px;margin:18px 0;
}
.drawer-search input{border:0;outline:0;flex:1;background:transparent;font-size:15px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(8,34,31,.92) 0%,rgba(11,59,52,.88) 55%,rgba(31,169,138,.78) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  color:var(--dark-text);
  padding:88px 0 0;
  border-radius:0 0 var(--r-hero) var(--r-hero);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-bottom:72px;}
.hero h1{color:#fff;}
.hero .hero-sub{color:rgba(234,243,239,.86);font-size:17px;line-height:1.85;max-width:560px;margin-top:18px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-points span{
  font-size:13px;color:var(--dark-text);border:1px solid var(--dark-line);
  border-radius:var(--r-pill);padding:6px 14px;background:rgba(255,255,255,.05);
}
.hero-visual{position:relative;}
.hero-visual img{
  border-radius:var(--r-hero);width:100%;
  box-shadow:0 0 0 1px rgba(198,242,78,.35),0 30px 60px -30px rgba(0,0,0,.7);
}
.hero-badge{
  position:absolute;left:-18px;bottom:26px;
  background:var(--surface);color:var(--ink);border-radius:16px;padding:14px 18px;
  box-shadow:var(--sh-card);display:flex;align-items:center;gap:12px;
}
.hero-badge .hb-ico{
  width:34px;height:34px;border-radius:10px;background:rgba(198,242,78,.28);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);
}
.hero-badge .hb-ico svg{width:18px;height:18px;}
.hero-badge .hb-t{font-size:13px;color:var(--ink-2);line-height:1.4;}
.hero-badge .hb-t b{display:block;font-size:15px;color:var(--brand-900);}

/* 指标带 */
.metric-strip{
  position:relative;background:var(--brand-900);
  border-top:1px solid var(--dark-line);
  border-radius:var(--r-hero) var(--r-hero) 0 0;
  padding:28px 0;
}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{padding:0 18px;border-left:1px solid var(--dark-line);}
.metric:first-child{border-left:0;}
.metric .m-val{font-size:34px;font-weight:800;color:#fff;line-height:1.1;}
.metric .m-val span{font-size:15px;font-weight:600;color:var(--brand-300);margin-left:4px;}
.metric .m-desc{font-size:13.5px;color:rgba(234,243,239,.72);margin-top:6px;}
.metric .m-tag{
  display:inline-block;margin-top:8px;font-size:12px;padding:2px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(198,242,78,.35);color:var(--lime-500);background:rgba(198,242,78,.12);
}

/* ---------- 指标看板卡 ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.kpi-card{
  background:var(--surface);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-card);border:1px solid var(--line);
  transition:transform .18s ease,box-shadow .18s ease;
}
.kpi-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.kpi-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.kpi-ico{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(20,135,111,.1);color:var(--brand-500);
}
.kpi-ico svg{width:20px;height:20px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.5);color:var(--brand-700);
}
.pill.warm{background:rgba(255,138,61,.12);border-color:rgba(255,138,61,.4);color:#B9541A;}
.pill.neutral{background:rgba(20,135,111,.08);border-color:var(--line);color:var(--ink-2);}
.kpi-value{font-size:38px;font-weight:800;color:var(--brand-900);line-height:1.05;}
.kpi-value small{font-size:15px;font-weight:600;color:var(--ink-2);margin-left:4px;}
.kpi-name{font-size:15px;font-weight:600;margin-top:8px;}
.kpi-desc{font-size:13.5px;color:var(--ink-2);margin-top:4px;}

/* ---------- Bento 服务矩阵 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-card);
  display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand-300);}
.bento-card .b-ico{
  width:44px;height:44px;border-radius:14px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:18px;
}
.bento-card .b-ico svg{width:20px;height:20px;}
.bento-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.bento-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.bento-card .b-foot{margin-top:auto;padding-top:20px;}
.bento-card .b-foot a{font-size:14px;font-weight:600;color:var(--brand-700);}
.bento-card .b-foot a:hover{color:var(--brand-500);}
.bc-a{grid-column:span 7;min-height:280px;}
.bc-b{grid-column:span 5;}
.bc-c{grid-column:span 5;}
.bc-d{grid-column:span 7;}
.bento-card.dark{
  background:var(--grad-brand);color:var(--dark-text);border-color:transparent;
  box-shadow:var(--sh-inset),0 20px 44px -24px rgba(11,59,52,.7);
}
.bento-card.dark h3{color:#fff;}
.bento-card.dark p{color:rgba(234,243,239,.82);}
.bento-card.dark .b-ico{background:rgba(198,242,78,.2);color:var(--lime-500);}
.bento-card.dark .b-foot a{color:var(--lime-500);}
.bento-media{margin-top:20px;border-radius:var(--r-img);overflow:hidden;}
.bento-media img{width:100%;height:180px;object-fit:cover;transition:transform .3s ease;}
.bento-card:hover .bento-media img{transform:scale(1.03);}

/* ---------- 结果对比 ---------- */
.compare-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare{width:100%;border-collapse:collapse;min-width:640px;}
table.compare thead th{
  background:var(--brand-900);color:#fff;font-size:14.5px;font-weight:700;
  text-align:left;padding:18px 22px;letter-spacing:.01em;
}
table.compare thead th:first-child{width:26%;}
table.compare tbody td{
  padding:18px 22px;font-size:14.5px;color:var(--ink-2);
  border-bottom:1px solid var(--line);vertical-align:top;
}
table.compare tbody tr:nth-child(odd){background:rgba(244,246,241,.55);}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody td:first-child{color:var(--ink);font-weight:600;}
table.compare td.ok{color:var(--brand-700);}
.ok-mark{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand-700);
}
.ok-mark i{
  width:20px;height:20px;border-radius:50%;background:var(--grad-lime);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.ok-mark i svg{width:12px;height:12px;color:var(--brand-900);}

/* ---------- 内容卡 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);height:100%;
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.news-thumb{position:relative;overflow:hidden;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-cat{
  position:absolute;left:14px;top:14px;
  font-size:12px;font-weight:600;color:var(--brand-900);
  background:rgba(198,242,78,.92);border-radius:var(--r-pill);padding:4px 12px;
}
.news-body{padding:22px 24px 20px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body .excerpt{
  font-size:14px;color:var(--ink-2);margin-top:10px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);
}
.empty-card{
  grid-column:1/-1;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--r-card);padding:48px 24px;text-align:center;
}
.empty-card .e-ico{
  width:56px;height:56px;border-radius:16px;background:rgba(20,135,111,.1);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--brand-500);
}
.empty-card .e-ico svg{width:26px;height:26px;}

/* ---------- FAQ ---------- */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:18px;text-align:left;
  background:transparent;border:0;padding:22px 26px;cursor:pointer;
}
.faq-q .idx{
  font-family:var(--font-num);font-size:13px;color:var(--ink-3);flex:0 0 26px;font-weight:600;
}
.faq-q .qt{flex:1;font-size:16.5px;font-weight:600;color:var(--ink);}
.faq-q .sign{
  width:30px;height:30px;border-radius:50%;background:rgba(198,242,78,.24);
  display:flex;align-items:center;justify-content:center;color:var(--brand-900);flex:0 0 auto;
  transition:background-color .18s ease,transform .18s ease;font-size:18px;line-height:1;
}
.faq-q:hover .sign{background:var(--lime-500);}
.faq-q[aria-expanded="true"] .sign{background:var(--lime-500);transform:rotate(180deg);}
.faq-a{padding:0 26px 22px 70px;background:rgba(244,246,241,.7);}
.faq-a p{font-size:14.8px;color:var(--ink-2);line-height:1.85;}

/* ---------- 表单 ---------- */
.cta-dark{
  background:var(--grad-brand);border-radius:var(--r-hero);padding:56px;
  display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:start;
  box-shadow:var(--sh-inset),0 30px 60px -34px rgba(11,59,52,.8);
  color:var(--dark-text);
}
.cta-dark h2{color:#fff;}
.cta-dark .cta-sub{color:rgba(234,243,239,.82);font-size:15.5px;margin-top:14px;}
.cta-list{margin-top:26px;display:grid;gap:12px;}
.cta-list li{display:flex;gap:10px;font-size:14.5px;color:rgba(234,243,239,.9);}
.cta-list li i{
  width:18px;height:18px;border-radius:50%;background:rgba(198,242,78,.25);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:4px;
}
.cta-list li i svg{width:11px;height:11px;color:var(--lime-500);}
.form-card{background:var(--surface);border-radius:var(--r-card);padding:30px;}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:12px 16px;font-size:15px;color:var(--ink);background:#FDFEFC;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--ink-3);}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:0;border-color:var(--brand-300);box-shadow:0 0 0 3px rgba(198,242,78,.32);
}
.form-row.has-error input,.form-row.has-error select{border-color:var(--amber-500);}
.err-msg{display:none;font-size:12.5px;color:#B9541A;margin-top:6px;}
.form-row.has-error .err-msg{display:flex;align-items:center;gap:6px;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 20px;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-500);flex:0 0 auto;}
.check-row span{font-size:13px;color:var(--ink-2);line-height:1.65;}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;text-align:center;}
.spin{
  width:15px;height:15px;border-radius:50%;border:2px solid rgba(11,59,52,.3);
  border-top-color:var(--brand-900);animation:spin .7s linear infinite;display:none;
}
.btn-lime.is-loading .spin{display:inline-block;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:var(--dark-text);margin-top:var(--sp-section);}
.footer-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;
  padding:64px 0 40px;border-top:1px solid var(--dark-line);
}
.footer-brand .fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .fb-logo .brand-text .l1{color:#fff;}
.footer-brand .fb-logo .brand-text .l2{color:rgba(234,243,239,.6);}
.footer-brand p{font-size:14px;color:rgba(234,243,239,.72);max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(234,243,239,.72);}
.footer-col a:hover{color:var(--lime-500);}
.footer-col .fc-contact{font-size:14px;color:rgba(234,243,239,.72);line-height:1.9;}
.footer-bottom{
  border-top:1px solid var(--dark-line);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:rgba(234,243,239,.6);margin:0;}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{font-size:13px;color:rgba(234,243,239,.6);}
.footer-links a:hover{color:var(--lime-500);}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .2s ease-out,transform .2s ease-out;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:36px;}
  .bento-card.bc-a,.bento-card.bc-d{grid-column:span 12;}
  .bento-card.bc-b,.bento-card.bc-c{grid-column:span 6;}
}
@media (max-width:991.98px){
  :root{--sp-section:72px;}
  .main-nav,.command-search,.nav-tools .desk-only{display:none;}
  .nav-burger{display:inline-flex;}
  .site-header .nav-inner{height:56px;}
  .site-header.is-scrolled .nav-inner{height:56px;}
  .hero{padding-top:64px;border-radius:0 0 22px 22px;}
  .hero-grid{grid-template-columns:1fr;padding-bottom:56px;}
  .hero-visual{order:-1;}
  .hero-badge{left:12px;bottom:-16px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .metric{border-left:0;padding:0;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-dark{grid-template-columns:1fr;padding:36px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:767.98px){
  .bento-card.bc-b,.bento-card.bc-c{grid-column:span 12;}
  .news-grid{grid-template-columns:1fr;}
  .faq-a{padding-left:26px;}
  .faq-q{padding:18px 18px;gap:12px;}
  .faq-q .qt{font-size:15.5px;}
}
@media (max-width:575.98px){
  :root{--sp-section:56px;}
  .container{padding:0 16px;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .kpi-card{padding:20px;}
  .kpi-value{font-size:30px;}
  .metric-grid{grid-template-columns:1fr;gap:18px;}
  .metric{padding-bottom:16px;border-bottom:1px solid var(--dark-line);}
  .metric:last-child{border-bottom:0;padding-bottom:0;}
  .bento-card{padding:22px;}
  .cta-dark{padding:26px;border-radius:22px;}
  .form-card{padding:22px;}
  .footer-top{grid-template-columns:1fr;}
  h1.hero-title{font-size:30px;}
}
.nav-cta-mobile{display:none;}
@media (max-width:991.98px){.nav-cta-mobile{display:inline-flex;}}

/* roulang page: category1 */
:root{
  --brand-900:#08221F;--brand-700:#0B3B34;--brand-500:#14876F;--brand-300:#6FC2A8;
  --lime-500:#C6F24E;--lime-600:#A8D93A;--amber-500:#FF8A3D;
  --bg:#F4F6F1;--surface:#FFFFFF;--ink:#0F1A18;--ink-2:#5A6B67;--ink-3:#93A19C;
  --line:#E3E8E1;--line-dark:rgba(255,255,255,.12);--dark-text:#EAF3EF;
  --grad-brand:linear-gradient(120deg,#0B3B34 0%,#14876F 55%,#1FA98A 100%);
  --grad-lime:linear-gradient(120deg,#C6F24E 0%,#A8D93A 100%);
  --r-sm:12px;--r-md:20px;--r-lg:28px;--r-pill:999px;--r-img:16px;
  --sh-1:0 1px 2px rgba(11,59,52,.06),0 8px 24px -12px rgba(11,59,52,.18);
  --sh-2:0 18px 40px -18px rgba(11,59,52,.28);
  --sp-section:96px;--gap:24px;
  --bs-primary:#14876F;--bs-body-color:#0F1A18;--bs-body-bg:#F4F6F1;
  --bs-border-color:#E3E8E1;--bs-border-radius:12px;--bs-link-color:#0B3B34;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .16s ease,background-color .16s ease}
a:hover{color:var(--brand-500)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:3px solid var(--lime-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-family:"SFMono-Regular",Menlo,Consolas,monospace}

/* ---------- 顶部进度条 ---------- */
.top-progress{height:3px;background:var(--grad-brand);position:fixed;top:0;left:0;right:0;z-index:1040}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(244,246,241,.94);
  border-bottom:1px solid var(--line);backdrop-filter:blur(12px);
  transition:background-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:rgba(244,246,241,.86);box-shadow:0 6px 24px -18px rgba(11,59,52,.45)}
.nav-shell{display:flex;align-items:center;gap:20px;height:68px;transition:height .2s ease}
.site-header.is-scrolled .nav-shell{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;flex-shrink:0}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text .l1{font-size:15px;font-weight:800;letter-spacing:.06em;color:var(--brand-900)}
.brand-text .l2{font-size:11px;color:var(--ink-2);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.main-nav a{
  position:relative;padding:8px 12px;border-radius:10px;font-size:14.5px;color:var(--ink-2);font-weight:500;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--lime-500);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.main-nav a:hover{color:var(--brand-700);background:rgba(20,135,111,.07)}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--brand-900);font-weight:600}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.command-search{position:relative}
.command-search input{
  width:280px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  padding:0 62px 0 40px;font-size:14px;color:var(--ink);transition:width .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.command-search input::placeholder{color:var(--ink-3)}
.command-search input:focus{width:380px;outline:none;border-color:var(--brand-300);box-shadow:0 0 0 4px rgba(198,242,78,.28)}
.cs-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--ink-3);pointer-events:none}
.cs-key{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:11px;padding:2px 8px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--ink-2);
  letter-spacing:.04em;pointer-events:none;
}
.cs-panel{
  position:absolute;top:52px;left:0;width:380px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-2);padding:14px;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.command-search:focus-within .cs-panel{opacity:1;visibility:visible;transform:translateY(0)}
.cs-panel h4{font-size:12px;color:var(--ink-3);letter-spacing:.06em;margin-bottom:10px;font-weight:600}
.cs-panel ul{display:flex;flex-wrap:wrap;gap:8px}
.cs-panel li a{
  display:inline-block;font-size:13px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(20,135,111,.07);color:var(--brand-700);border:1px solid var(--line);
}
.cs-panel li a:hover{background:rgba(198,242,78,.3);border-color:var(--lime-600)}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.icon-btn svg{width:18px;height:18px;stroke:var(--brand-700);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{border-color:var(--brand-300);box-shadow:var(--sh-1);transform:translateY(-1px)}
.icon-btn:active{transform:translateY(1px)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-sm);
  padding:12px 24px;font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform .16s ease,background-color .16s ease,color .16s ease,box-shadow .16s ease,border-color .16s ease;}
.btn-lime{background:var(--lime-500);color:var(--brand-900);box-shadow:0 8px 20px -12px rgba(11,59,52,.5)}
.btn-lime:hover{background:var(--lime-600);color:var(--brand-900);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(11,59,52,.55)}
.btn-lime:active{transform:translateY(1px);box-shadow:0 4px 10px -8px rgba(11,59,52,.6)}
.btn-lime:disabled{filter:saturate(.4);cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-700);color:#fff;border-color:var(--brand-700)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--brand-900);border-color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}
.text-link{color:var(--brand-700);border-bottom:1px dashed var(--brand-300);padding-bottom:1px}
.text-link:hover{color:var(--brand-900);border-bottom-style:solid;background:rgba(198,242,78,.2)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);padding:22px 0 0;flex-wrap:wrap}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:var(--ink-3)}
.crumb .current{color:var(--brand-700);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;margin-top:18px;border-radius:var(--r-lg);overflow:hidden;background:var(--brand-900)}
.cat-hero .bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.cat-hero .veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,34,31,.94) 0%,rgba(11,59,52,.88) 55%,rgba(20,135,111,.78) 100%)}
.cat-hero .inner{position:relative;padding:56px 48px;display:grid;grid-template-columns:1.35fr .95fr;gap:40px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--lime-500);
  background:rgba(198,242,78,.12);border:1px solid rgba(198,242,78,.32);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:18px;
}
.cat-hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;letter-spacing:-.02em;font-weight:800;color:#fff}
.cat-hero .lede{color:var(--dark-text);font-size:16.5px;line-height:1.8;margin-top:16px;max-width:560px;opacity:.92}
.cat-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-figure{border-radius:var(--r-md);border:1px solid rgba(198,242,78,.32);overflow:hidden;box-shadow:0 24px 60px -30px rgba(0,0,0,.65)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-facts span{
  font-size:12.5px;color:var(--dark-text);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);padding:5px 12px;
}
.hero-facts span b{color:var(--lime-500);font-weight:700}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head .tag{
  display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--brand-500);font-weight:700;
  background:rgba(20,135,111,.08);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p{color:var(--ink-2);font-size:15.5px;margin-top:12px}
.section-head.row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:44px}
.timeline::before{content:"";position:absolute;left:13px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--brand-300),var(--line))}
.step{position:relative;margin-bottom:24px}
.step::before{
  content:"";position:absolute;left:-44px;top:26px;width:28px;height:28px;border-radius:999px;
  background:var(--lime-500);border:6px solid var(--bg);box-shadow:0 0 0 1px rgba(20,135,111,.25);
}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 28px;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-head{display:flex;align-items:center;gap:14px;margin-bottom:10px;flex-wrap:wrap}
.step-no{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--brand-700);background:rgba(198,242,78,.35);border-radius:8px;padding:3px 10px}
.step-head h3{font-size:19px;font-weight:600}
.step-card p{color:var(--ink-2);font-size:15px}
.step-tips{margin-top:14px;display:grid;gap:8px}
.step-tips li{position:relative;padding-left:22px;font-size:14.5px;color:var(--ink-2)}
.step-tips li::before{content:"";position:absolute;left:0;top:10px;width:12px;height:2px;background:var(--brand-300);border-radius:2px}

/* ---------- CTA 条 ---------- */
.cta-bar{
  margin-top:8px;border-radius:var(--r-lg);padding:32px 36px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  border:1px solid rgba(198,242,78,.18);box-shadow:var(--sh-1);
}
.cta-bar h3{font-size:22px;font-weight:700;color:#fff}
.cta-bar p{color:var(--dark-text);opacity:.88;font-size:14.5px;margin-top:6px;max-width:620px}
.cta-bar .actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 图文区块 ---------- */
.prep{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.prep-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.prep-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list{display:grid;gap:16px;margin-top:26px}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.check-list .tick{
  width:26px;height:26px;flex:0 0 26px;border-radius:999px;background:rgba(198,242,78,.28);
  display:grid;place-items:center;margin-top:2px;
}
.check-list .tick svg{width:14px;height:14px;stroke:var(--brand-700);stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.check-list h3{font-size:16.5px;font-weight:600;margin-bottom:4px}
.check-list p{font-size:14.5px;color:var(--ink-2)}

/* ---------- 卡点网格 ---------- */
.issues{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
.issue{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.issue:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.issue .flag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.04em;font-weight:700;
  color:var(--brand-700);background:rgba(20,135,111,.08);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:14px;
}
.issue.alert .flag{color:#8a4415;background:rgba(255,138,61,.16)}
.issue h3{font-size:17.5px;font-weight:600;margin-bottom:10px}
.issue p{font-size:14.5px;color:var(--ink-2);margin-bottom:14px}
.issue .fix{font-size:14px;color:var(--brand-700);border-top:1px dashed var(--line);padding-top:14px}
.issue .fix b{font-weight:700}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sp-section);background:var(--brand-900);color:var(--dark-text);padding:56px 0 28px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid var(--line-dark)}
.fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.fb-logo .brand-mark{background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.3)}
.fb-logo .brand-text .l1{color:#fff}
.fb-logo .brand-text .l2{color:rgba(234,243,239,.7)}
.footer-brand p{font-size:14px;color:rgba(234,243,239,.78);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.05em;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(234,243,239,.78);font-size:14px}
.footer-col a:hover{color:var(--lime-500)}
.fc-contact{font-size:14px;color:rgba(234,243,239,.78);line-height:2}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:24px}
.footer-bottom p{font-size:13px;color:rgba(234,243,239,.62)}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:rgba(234,243,239,.72)}
.footer-links a:hover{color:var(--lime-500)}

/* ---------- 移动端 ---------- */
.nav-toggle{display:none}
@media (max-width:1199px){
  .command-search input{width:220px}
  .command-search input:focus{width:280px}
  .cs-panel{width:300px}
}
@media (max-width:991px){
  :root{--sp-section:72px}
  .main-nav,.nav-tools .command-search,.nav-tools .icon-btn{display:none}
  .nav-toggle{display:grid;place-items:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--surface);cursor:pointer}
  .nav-toggle svg{width:18px;height:18px;stroke:var(--brand-700);stroke-width:1.9;fill:none;stroke-linecap:round}
  .cat-hero .inner{grid-template-columns:1fr;padding:40px 28px;gap:28px}
  .prep{grid-template-columns:1fr;gap:32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .hero-figure img{aspect-ratio:16/9}
}
@media (max-width:767px){
  .issues{grid-template-columns:1fr}
  .cta-bar{padding:26px 22px}
}
@media (max-width:575px){
  :root{--sp-section:56px}
  .container{padding:0 18px}
  .nav-shell{height:56px}
  .site-header.is-scrolled .nav-shell{height:56px}
  .brand-text .l1{font-size:14px}
  .cat-hero .inner{padding:32px 20px}
  .cat-hero .lede{font-size:15.5px}
  .timeline{padding-left:32px}
  .timeline::before{left:9px}
  .step::before{left:-32px;width:22px;height:22px;border-width:5px}
  .step-card{padding:20px 18px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* offcanvas 自定义 */
.offcanvas{border:none;background:var(--bg)}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.offcanvas-body{padding:22px}
.drawer-nav{display:grid;gap:6px;margin-bottom:22px}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-2);border:1px solid transparent}
.drawer-nav a:hover{background:var(--surface);border-color:var(--line);color:var(--brand-700)}
.drawer-nav a.is-active{background:var(--surface);border-color:var(--brand-300);color:var(--brand-900);font-weight:600}
.drawer-search input{width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);padding:0 18px 0 42px;font-size:14px}
.drawer-search{position:relative;margin-bottom:18px}
.drawer-search .cs-icon{left:16px}

/* roulang page: article */
:root{
  --brand-900:#08221F;
  --brand-700:#0B3B34;
  --brand-500:#14876F;
  --brand-300:#6FC2A8;
  --lime-500:#C6F24E;
  --lime-600:#A8D93A;
  --amber-500:#FF8A3D;
  --bg:#F4F6F1;
  --surface:#FFFFFF;
  --ink:#0F1A18;
  --ink-2:#5A6B67;
  --ink-3:#93A19C;
  --line:#E3E8E1;
  --on-dark:#EAF3EF;
  --divider-dark:rgba(255,255,255,.12);
  --brand-gradient:linear-gradient(120deg,#0B3B34 0%,#14876F 55%,#1FA98A 100%);
  --lime-gradient:linear-gradient(120deg,#D6F86C 0%,#C6F24E 100%);
  --r-btn:12px;
  --r-card:20px;
  --r-hero:28px;
  --r-img:16px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(11,59,52,.06),0 8px 24px -12px rgba(11,59,52,.18);
  --shadow-2:0 18px 40px -18px rgba(11,59,52,.28);
  --shadow-inner-lime:0 0 0 1px rgba(198,242,78,.18) inset;
  --sp-section:96px;
  --sp-section-md:72px;
  --sp-section-sm:56px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,"SFMono-Regular","JetBrains Mono","Roboto Mono",Menlo,monospace;

  --bs-primary:#14876F;
  --bs-body-color:#0F1A18;
  --bs-body-bg:#F4F6F1;
  --bs-border-color:#E3E8E1;
  --bs-border-radius:12px;
  --bs-border-radius-lg:20px;
  --bs-link-color:#0B3B34;
  --bs-link-hover-color:#14876F;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .16s ease,background-color .16s ease;}
a:hover{color:var(--brand-500);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid var(--lime-500);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 顶部阅读进度条 ---------- */
.read-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:var(--lime-gradient);z-index:2000;transition:width .1s linear;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1200;
  background:rgba(244,246,241,.94);
  border-bottom:1px solid var(--line);
  transition:height .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:68px;transition:height .2s ease;
}
.site-header.is-scrolled{background:rgba(244,246,241,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 6px 24px -18px rgba(11,59,52,.4);}
.site-header.is-scrolled .header-inner{height:60px;}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-700);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:var(--shadow-inner-lime);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text .l1{font-size:15px;font-weight:800;letter-spacing:.06em;color:var(--brand-700);}
.brand-text .l2{font-size:11.5px;color:var(--ink-2);letter-spacing:.02em;}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:10px;
  font-size:14.5px;color:var(--ink-2);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--lime-500);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.main-nav a:hover{color:var(--brand-700);background:rgba(20,135,111,.06);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--brand-700);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}

.header-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.command-search{position:relative;width:270px;transition:width .2s ease;}
.command-search input{
  width:100%;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);padding:0 62px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.command-search input::placeholder{color:var(--ink-3);}
.command-search input:focus{
  outline:none;border-color:var(--lime-500);
  box-shadow:0 0 0 4px rgba(198,242,78,.35);
}
.command-search .cs-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--ink-3);}
.command-search .cs-key{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);font-size:11px;color:var(--ink-2);
  border:1px solid var(--line);background:var(--bg);border-radius:6px;padding:2px 6px;letter-spacing:.04em;
}
.command-search.is-open{width:380px;}
.cs-panel{
  position:absolute;top:52px;left:0;right:0;background:var(--surface);
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-2);
  padding:14px;display:none;
}
.command-search.is-open .cs-panel{display:block;}
.cs-panel h5{font-size:12px;letter-spacing:.06em;color:var(--ink-3);margin-bottom:10px;font-weight:600;}
.cs-panel ul li{margin-bottom:6px;}
.cs-panel ul li a{display:block;font-size:14px;padding:7px 10px;border-radius:10px;color:var(--ink-2);}
.cs-panel ul li a:hover{background:rgba(20,135,111,.08);color:var(--brand-700);}

.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.icon-btn svg{width:18px;height:18px;stroke:var(--brand-700);}
.icon-btn:hover{transform:translateY(-2px);border-color:var(--brand-300);box-shadow:var(--shadow-1);}
.icon-btn:active{transform:translateY(0);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);padding:12px 24px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn-lime{background:var(--lime-gradient);color:var(--brand-900);box-shadow:0 6px 18px -10px rgba(11,59,52,.4);}
.btn-lime:hover{background:var(--lime-600);color:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-lime:active{transform:translateY(0);box-shadow:0 2px 8px -6px rgba(11,59,52,.5);}
.btn-lime:disabled{filter:saturate(.4);cursor:not-allowed;transform:none;}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost:hover{background:var(--brand-700);color:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost-light{background:transparent;border-color:rgba(234,243,239,.6);color:var(--on-dark);}
.btn-ghost-light:hover{background:rgba(234,243,239,.14);border-color:var(--lime-500);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;}
.header-cta{padding:10px 20px;font-size:14.5px;}

.menu-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;cursor:pointer;
}
.menu-toggle svg{width:20px;height:20px;stroke:var(--brand-700);}

/* 移动抽屉 */
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:var(--surface);
  padding:16px 20px 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .md-search{margin-bottom:14px;}
.mobile-drawer .md-links{display:flex;flex-direction:column;gap:2px;margin-bottom:16px;}
.mobile-drawer .md-links a{padding:11px 12px;border-radius:12px;font-size:15px;color:var(--ink-2);}
.mobile-drawer .md-links a:hover{background:rgba(20,135,111,.08);color:var(--brand-700);}
.mobile-drawer .md-links a.is-active{background:rgba(198,242,78,.28);color:var(--brand-900);font-weight:600;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:26px 0 0;}
.breadcrumb-custom{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);}
.breadcrumb-custom a{color:var(--ink-2);border-bottom:1px dashed rgba(11,59,52,.35);}
.breadcrumb-custom a:hover{color:var(--brand-700);border-bottom-style:solid;background:rgba(198,242,78,.16);}
.breadcrumb-custom .sep{color:var(--ink-3);}
.breadcrumb-custom .current{color:var(--ink);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-hero{padding:22px 0 0;}
.article-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;
  color:var(--brand-700);background:rgba(198,242,78,.22);border:1px solid rgba(198,242,78,.6);
  border-radius:var(--r-pill);padding:5px 14px;font-weight:600;margin-bottom:16px;
}
.article-title{
  font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  color:var(--ink);max-width:26ch;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;font-size:13.5px;color:var(--ink-2);
}
.article-meta .cat-pill{
  background:rgba(20,135,111,.1);color:var(--brand-700);
  border:1px solid rgba(20,135,111,.22);border-radius:var(--r-pill);
  padding:4px 12px;font-size:12.5px;font-weight:600;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3);}
.article-cover{
  margin-top:28px;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);position:relative;
  background:var(--surface);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px);
  justify-content:center;gap:48px;
  padding:56px 0 var(--sp-section-sm);
}
.article-main{min-width:0;}

/* 移动 TOC */
.toc-mobile{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);
  padding:16px 20px;margin-bottom:28px;box-shadow:var(--shadow-1);
}
.toc-mobile summary{
  cursor:pointer;font-weight:600;font-size:15px;color:var(--brand-700);
  list-style:none;display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary::after{content:"＋";color:var(--brand-500);font-size:16px;}
.toc-mobile[open] summary::after{content:"−";}
.toc-mobile ol{margin-top:12px;padding-left:2px;}
.toc-mobile ol li{padding:6px 0;border-top:1px solid var(--line);}
.toc-mobile ol li a{font-size:14px;color:var(--ink-2);}
.toc-mobile ol li a:hover{color:var(--brand-700);}

/* ---------- 正文 ---------- */
.article-body{font-size:17px;line-height:1.95;color:var(--ink);}
.article-body > * + *{margin-top:22px;}
.article-body p{color:#1B2724;}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;
  letter-spacing:-.01em;padding-left:18px;margin-top:52px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:18px;
  background:var(--lime-500);border-radius:2px;
}
.article-body h3{font-size:19px;font-weight:600;margin-top:34px;color:var(--brand-700);}
.article-body ul,.article-body ol{padding-left:0;}
.article-body ul li{position:relative;padding-left:24px;margin:10px 0;color:#1B2724;}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:13px;width:7px;height:7px;border-radius:50%;
  background:var(--lime-500);
}
.article-body ol{counter-reset:li;}
.article-body ol li{position:relative;padding-left:34px;margin:12px 0;counter-increment:li;}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:2px;
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--brand-500);
}
.article-body blockquote{
  margin:30px 0;padding:22px 26px;background:#F7F8F3;border-left:4px solid var(--lime-500);
  border-radius:0 var(--r-btn) var(--r-btn) 0;color:var(--brand-700);font-size:16.5px;line-height:1.85;
}
.article-body blockquote p{margin:0;color:var(--brand-700);}
.article-body img{border-radius:var(--r-img);margin:28px auto;box-shadow:var(--shadow-1);}
.article-body figure{margin:28px 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px;
}
.article-body a{
  color:var(--brand-700);border-bottom:1px dashed rgba(11,59,52,.45);
}
.article-body a:hover{border-bottom-style:solid;background:rgba(198,242,78,.18);}
.article-body strong{font-weight:700;color:var(--brand-900);}
.article-body hr{border:none;border-top:1px solid var(--line);margin:40px 0;}

/* 表格 */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--surface);box-shadow:var(--shadow-1);margin:28px 0;
}
.table-wrap table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px;}
.table-wrap thead th{
  background:var(--brand-700);color:#fff;font-weight:600;text-align:left;
  padding:14px 18px;white-space:nowrap;
}
.table-wrap tbody td{padding:14px 18px;border-top:1px solid var(--line);color:var(--ink-2);}
.table-wrap tbody tr:nth-child(even){background:#FAFBF8;}
.table-wrap tbody td:first-child{color:var(--ink);font-weight:600;}
.article-body table{width:100%;border-collapse:collapse;min-width:520px;font-size:15px;}
.article-body thead th{background:var(--brand-700);color:#fff;padding:14px 18px;text-align:left;}
.article-body tbody td{padding:14px 18px;border-top:1px solid var(--line);}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state .es-icon{
  width:60px;height:60px;margin:0 auto 18px;border-radius:50%;
  background:rgba(198,242,78,.24);display:flex;align-items:center;justify-content:center;
}
.empty-state .es-icon svg{width:28px;height:28px;stroke:var(--brand-700);}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:24px;}

/* ---------- 侧栏 ---------- */
.article-aside{display:none;min-width:0;}
.aside-inner{position:sticky;top:92px;display:flex;flex-direction:column;gap:22px;}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.aside-card h3{
  font-size:13px;letter-spacing:.06em;color:var(--ink-3);font-weight:600;
  margin-bottom:14px;text-transform:none;
}
.aside-card ol li{padding:9px 0;border-bottom:1px solid var(--line);}
.aside-card ol li:last-child{border-bottom:none;}
.aside-card ol li a{font-size:14px;color:var(--ink-2);display:block;line-height:1.6;}
.aside-card ol li a:hover{color:var(--brand-700);}
.aside-card ul li{margin-bottom:10px;}
.aside-card ul li a{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);line-height:1.6;}
.aside-card ul li a:hover{color:var(--brand-700);}
.aside-card ul li a span.dot{
  width:6px;height:6px;border-radius:50%;background:var(--lime-500);flex:0 0 auto;margin-top:8px;
}
.aside-cta{
  background:var(--brand-900);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-inner-lime);
}
.aside-cta h3{color:var(--on-dark);font-size:16px;font-weight:700;margin-bottom:8px;letter-spacing:0;}
.aside-cta p{color:rgba(234,243,239,.72);font-size:13.5px;line-height:1.75;margin-bottom:16px;}
.aside-cta .btn{width:100%;}

/* ---------- 文末 ---------- */
.article-foot{margin-top:56px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;padding-top:26px;border-top:1px solid var(--line);}
.tag{
  font-size:12.5px;color:var(--brand-700);background:rgba(20,135,111,.08);
  border:1px solid rgba(20,135,111,.2);border-radius:var(--r-pill);padding:5px 14px;
  transition:all .16s ease;
}
.tag:hover{background:var(--brand-700);color:#fff;border-color:var(--brand-700);}

.nav-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;}
.nav-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--shadow-1);transition:all .18s ease;
}
.nav-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-300);}
.nav-card .nc-label{font-size:12px;letter-spacing:.06em;color:var(--ink-3);display:block;margin-bottom:8px;}
.nav-card .nc-title{font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;}
.nav-card .nc-desc{font-size:13.5px;color:var(--ink-2);margin-top:6px;}

.section-head-sm{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin:52px 0 22px;
}
.section-head-sm h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;letter-spacing:-.01em;}
.section-head-sm a{font-size:14px;border-bottom:1px dashed rgba(11,59,52,.4);}
.section-head-sm a:hover{border-bottom-style:solid;background:rgba(198,242,78,.18);}

.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:all .18s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rel-card .rc-media{position:relative;overflow:hidden;}
.rel-card .rc-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rc-media img{transform:scale(1.03);}
.rel-card .rc-badge{
  position:absolute;left:12px;top:12px;font-size:11.5px;font-weight:600;
  background:rgba(8,34,31,.82);color:var(--lime-500);border-radius:var(--r-pill);padding:4px 11px;
  letter-spacing:.04em;
}
.rel-card .rc-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-card .rc-body h3{font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);}
.rel-card .rc-body p{font-size:13.5px;color:var(--ink-2);line-height:1.7;}
.rel-card .rc-foot{margin-top:auto;font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:8px;}

.back-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- FAQ ---------- */
.faq-block{margin-top:var(--sp-section-sm);}
.faq-block h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;margin-bottom:22px;letter-spacing:-.01em;}
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;padding:20px 24px;
  background:transparent;border:none;text-align:left;cursor:pointer;transition:background-color .16s ease;
}
.faq-q:hover{background:#FAFBF8;}
.faq-q .q-num{font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--brand-300);flex:0 0 auto;}
.faq-q .q-text{flex:1;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;}
.faq-q .q-tog{
  width:28px;height:28px;border-radius:50%;background:rgba(198,242,78,.3);color:var(--brand-900);
  display:flex;align-items:center;justify-content:center;font-size:15px;flex:0 0 auto;
  transition:background-color .16s ease,transform .16s ease;
}
.faq-q[aria-expanded="true"] .q-tog{background:var(--lime-500);transform:rotate(180deg);}
.faq-a{display:none;padding:0 24px 22px 66px;background:#F7F8F3;font-size:15px;line-height:1.9;color:var(--ink-2);}
.faq-a.is-open{display:block;padding-top:20px;}

/* ---------- CTA 条 ---------- */
.cta-strip{
  margin-top:var(--sp-section-sm);
  background:var(--brand-gradient);border-radius:var(--r-hero);
  padding:40px 36px;display:flex;flex-wrap:wrap;align-items:center;gap:24px;
  box-shadow:var(--shadow-2);position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.24),transparent 70%);
}
.cta-strip .cta-copy{flex:1 1 320px;min-width:0;position:relative;z-index:1;}
.cta-strip h2{color:#fff;font-size:clamp(20px,2.2vw,28px);font-weight:700;letter-spacing:-.01em;margin-bottom:8px;}
.cta-strip p{color:rgba(234,243,239,.8);font-size:14.5px;margin:0;}
.cta-strip .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:var(--sp-section-sm);
  background:var(--brand-900);color:var(--on-dark);padding:64px 0 28px;
  border-top:1px solid var(--divider-dark);
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:36px;border-bottom:1px solid var(--divider-dark);
}
.fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.fb-logo .brand-mark{background:rgba(198,242,78,.12);box-shadow:var(--shadow-inner-lime);}
.fb-logo .brand-text .l1{color:#fff;}
.fb-logo .brand-text .l2{color:rgba(234,243,239,.66);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(234,243,239,.72);max-width:34ch;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(234,243,239,.72);}
.footer-col ul li a:hover{color:var(--lime-500);}
.fc-contact{font-size:14px;line-height:1.95;color:rgba(234,243,239,.72);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding-top:24px;
}
.footer-bottom p{font-size:13px;color:rgba(234,243,239,.6);}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{font-size:13px;color:rgba(234,243,239,.72);}
.footer-links a:hover{color:var(--lime-500);}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;}
  .article-aside{display:block;}
  .toc-mobile{display:none;}
}
@media (max-width:1199px){
  :root{--sp-section:72px;--sp-section-sm:56px;}
  .article-layout{grid-template-columns:minmax(0,760px);}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .command-search{display:none;}
  .menu-toggle{display:flex;}
  .header-cta{display:none;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  :root{--sp-section:56px;--sp-section-sm:44px;}
  .container{padding:0 16px;}
  .header-inner{height:56px;gap:12px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{margin-top:40px;}
  .faq-a{padding-left:24px;}
  .cta-strip{padding:30px 22px;border-radius:var(--r-card);}
  .nav-pair{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:575px){
  .rel-grid{grid-template-columns:1fr;}
  .article-title{font-size:clamp(26px,7vw,32px);}
  .article-cover{border-radius:var(--r-card);}
  .breadcrumb-custom .current{max-width:100%;white-space:normal;}
  .article-meta{gap:8px 12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand-900:#08221F;
  --brand-700:#0B3B34;
  --brand-500:#14876F;
  --brand-300:#6FC2A8;
  --lime-500:#C6F24E;
  --lime-600:#A8D93A;
  --amber-500:#FF8A3D;
  --bg:#F4F6F1;
  --surface:#FFFFFF;
  --ink:#0F1A18;
  --ink-2:#5A6B67;
  --ink-3:#93A19C;
  --line:#E3E8E1;
  --dark-line:rgba(255,255,255,.12);
  --dark-text:#EAF3EF;
  --grad-brand:linear-gradient(120deg,#0B3B34 0%,#14876F 55%,#1FA98A 100%);
  --grad-lime:linear-gradient(120deg,#C6F24E 0%,#A8D93A 100%);
  --r-sm:12px;
  --r-card:20px;
  --r-lg:28px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,59,52,.06), 0 8px 24px -12px rgba(11,59,52,.18);
  --sh-2:0 18px 40px -18px rgba(11,59,52,.28);
  --glow:0 0 0 1px rgba(198,242,78,.18), 0 14px 36px -20px rgba(198,242,78,.4);
  --sect-y:96px;
  --ease:cubic-bezier(.22,.61,.36,1);
  /* Bootstrap 变量重塑 */
  --bs-primary:#14876F;
  --bs-primary-rgb:20,135,111;
  --bs-body-color:#0F1A18;
  --bs-body-bg:#F4F6F1;
  --bs-border-color:#E3E8E1;
  --bs-border-radius:12px;
  --bs-border-radius-lg:20px;
  --bs-border-radius-sm:10px;
  --bs-link-color:#0B3B34;
  --bs-link-hover-color:#14876F;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}

/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--lime-500);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.container{width:100%;max-width:1240px;margin-inline:auto;padding-inline:24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-sm);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .16s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-lime{background:var(--grad-lime);color:var(--brand-900);box-shadow:0 8px 20px -14px rgba(11,59,52,.5)}
.btn-lime:hover{background:var(--lime-600);color:var(--brand-900);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(11,59,52,.55)}
.btn-lime:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost-light{background:transparent;color:var(--dark-text);border-color:rgba(234,243,239,.5)}
.btn-ghost-light:hover{background:rgba(234,243,239,.12);border-color:var(--lime-500);color:#fff;transform:translateY(-1px)}
.btn:disabled,.btn.disabled{opacity:.6;filter:saturate(.4);pointer-events:none}

.link-more{
  color:var(--brand-700);font-weight:600;font-size:14px;
  border-bottom:1px dashed var(--brand-500);padding-bottom:2px;
}
.link-more:hover{background:rgba(198,242,78,.28);border-bottom-style:solid}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(244,246,241,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
}
.header-inner{display:flex;align-items:center;gap:22px;height:68px;transition:height .2s var(--ease)}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(11,59,52,.5)}
.site-header.is-scrolled .header-inner{height:60px}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(20,135,111,.1);color:var(--brand-500);flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text .l1{font-size:16px;font-weight:800;letter-spacing:.06em;color:var(--brand-900)}
.brand-text .l2{font-size:11.5px;color:var(--ink-2);letter-spacing:.02em}

.main-nav{display:flex;align-items:center;gap:4px;margin-inline:auto}
.main-nav a{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.main-nav a:hover{color:var(--brand-700);background:rgba(20,135,111,.07)}
.main-nav a.is-active{color:var(--brand-900);font-weight:600}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime-500);border-radius:2px;
}

.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:280px;padding:8px 12px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface);transition:width .24s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-search:focus-within{width:380px;border-color:var(--lime-500);box-shadow:0 0 0 3px rgba(198,242,78,.28)}
.nav-search .ns-icon{width:16px;height:16px;flex-shrink:0;color:var(--ink-3)}
.nav-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.kbd{
  font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;
  background:var(--bg);border:1px solid var(--line);color:var(--ink-2);
  font-variant-numeric:tabular-nums;flex-shrink:0;
}
.hot-panel{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:14px;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.nav-search:focus-within .hot-panel{opacity:1;visibility:visible;transform:translateY(0)}
.hot-panel .hp-title{display:block;font-size:12px;letter-spacing:.06em;color:var(--ink-3);margin-bottom:8px}
.hot-panel a{display:block;font-size:14px;color:var(--ink-2);padding:7px 10px;border-radius:8px}
.hot-panel a:hover{background:rgba(198,242,78,.2);color:var(--brand-900)}

.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);background:var(--surface);color:var(--brand-700);flex-shrink:0;
  transition:transform .16s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.icon-btn:hover{background:var(--brand-700);color:#fff;border-color:var(--brand-700);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--brand-700);align-items:center;justify-content:center}
.nav-toggle:hover{background:var(--brand-700);color:#fff}
.nav-toggle svg{width:20px;height:20px}

/* 抽屉 */
.offcanvas.drawer{background:var(--bg);color:var(--ink);width:320px}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer .drawer-body{padding:20px}
.drawer .drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:12px;font-size:15px;color:var(--ink-2);font-weight:500;
}
.drawer .drawer-nav a:hover{background:rgba(20,135,111,.08);color:var(--brand-700)}
.drawer .drawer-nav a.is-active{background:rgba(198,242,78,.28);color:var(--brand-900);font-weight:600}
.drawer-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--surface);border-radius:var(--r-sm);padding:10px 12px;margin-bottom:18px}
.drawer-search input{flex:1;border:0;outline:0;background:transparent;font-size:14px}
.drawer-cta{margin-top:20px}

/* ============ 页头 Banner ============ */
.page-hero{position:relative;overflow:hidden;background:var(--brand-900);color:var(--dark-text);padding:44px 0 58px;isolation:isolate}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.28;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,rgba(8,34,31,.93) 0%,rgba(11,59,52,.86) 55%,rgba(20,135,111,.74) 100%);
}
.hero-inner{position:relative;max-width:860px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(234,243,239,.72);margin-bottom:20px}
.crumb a{color:rgba(234,243,239,.9);border-bottom:1px solid transparent}
.crumb a:hover{color:var(--lime-500);border-bottom-color:var(--lime-500)}
.crumb .sep{color:rgba(234,243,239,.45)}
.hero-title{
  font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800;
  letter-spacing:-.02em;color:#fff;margin-bottom:14px;
}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(234,243,239,.86);max-width:640px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(198,242,78,.12);border:1px solid rgba(198,242,78,.35);
  color:var(--lime-500);font-size:13px;font-weight:600;
}
.hero-tag svg{width:14px;height:14px}

/* ============ 板块 ============ */
.section{padding-block:var(--sect-y)}
.section-alt{background:var(--surface);border-block:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-inline:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--brand-500);text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--brand-900)}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.85}

/* ============ 风险 / 防护 对照 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.compare-col:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.compare-col.is-safe{background:linear-gradient(180deg,rgba(20,135,111,.05) 0%,rgba(255,255,255,1) 42%)}
.cc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:8px}
.cc-title{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--brand-900)}
.cc-title .dot{width:10px;height:10px;border-radius:50%;background:var(--amber-500)}
.is-safe .cc-title .dot{background:var(--lime-500)}
.cc-tag{font-size:12px;letter-spacing:.04em;padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--ink-2);background:var(--bg)}
.is-safe .cc-tag{background:rgba(198,242,78,.16);border-color:rgba(198,242,78,.5);color:var(--brand-700);font-weight:600}
.compare-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--line)}
.compare-item:last-child{border-bottom:0;padding-bottom:0}
.ci-icon{width:26px;height:26px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;margin-top:3px}
.is-risk .ci-icon{background:rgba(255,138,61,.14);color:var(--amber-500)}
.is-safe .ci-icon{background:rgba(198,242,78,.3);color:var(--brand-700)}
.ci-icon svg{width:14px;height:14px}
.ci-text{font-size:15px;line-height:1.8;color:var(--ink-2)}
.ci-text strong{display:block;color:var(--ink);font-weight:600;font-size:15.5px;margin-bottom:4px}

/* ============ 徽章式要点列表 ============ */
.pill-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pill{
  display:flex;align-items:flex-start;gap:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.pill:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(198,242,78,.6)}
.pill-num{
  flex-shrink:0;min-width:42px;height:28px;padding-inline:10px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(198,242,78,.28);border:1px solid rgba(198,242,78,.55);
  color:var(--brand-700);font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.pill-text{font-size:15px;line-height:1.75;color:var(--ink-2)}
.pill-text strong{display:block;color:var(--brand-900);font-weight:600;margin-bottom:3px}

/* ============ 自定义表格 ============ */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden auto;box-shadow:var(--sh-1);
}
.data-table{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
.data-table caption{display:none}
.data-table thead th{
  background:var(--brand-700);color:#fff;font-weight:600;font-size:14.5px;
  letter-spacing:.02em;padding:16px 20px;text-align:left;white-space:nowrap;
}
.data-table tbody td{padding:17px 20px;border-top:1px solid var(--line);color:var(--ink-2);vertical-align:top;line-height:1.75}
.data-table tbody tr:nth-child(even){background:rgba(20,135,111,.035)}
.data-table tbody td:first-child{color:var(--brand-900);font-weight:700;white-space:nowrap}
.data-table .tag-cell{color:var(--brand-500);font-weight:600}

/* ============ 双栏信息卡 ============ */
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-1);
}
.info-card.dark{
  background:var(--grad-brand);border-color:transparent;color:var(--dark-text);
  box-shadow:var(--glow);
}
.ic-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.ic-badge{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:rgba(20,135,111,.1);color:var(--brand-500);flex-shrink:0;
}
.info-card.dark .ic-badge{background:rgba(198,242,78,.16);color:var(--lime-500)}
.ic-badge svg{width:20px;height:20px}
.info-card h3{font-size:19px;font-weight:700;color:var(--brand-900)}
.info-card.dark h3{color:#fff}
.info-card .ic-sub{font-size:14px;color:var(--ink-3);margin-bottom:18px}
.info-card.dark .ic-sub{color:rgba(234,243,239,.7)}
.ic-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:15px;line-height:1.75;color:var(--ink-2);
}
.info-card.dark .ic-list li{border-bottom-color:var(--dark-line);color:rgba(234,243,239,.86)}
.ic-list li:last-child{border-bottom:0;padding-bottom:0}
.ic-list .tick{flex-shrink:0;width:20px;height:20px;border-radius:50%;background:rgba(198,242,78,.3);color:var(--brand-700);display:grid;place-items:center;margin-top:4px}
.info-card.dark .ic-list .tick{background:var(--lime-500);color:var(--brand-900)}
.ic-list .tick svg{width:12px;height:12px}

/* ============ FAQ ============ */
.faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-wrap .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.faq-wrap .accordion-item:last-child{border-bottom:0}
.faq-wrap .accordion-button{
  background:var(--surface);color:var(--brand-900);font-size:17px;font-weight:600;line-height:1.6;
  padding:22px 24px;box-shadow:none;display:flex;align-items:center;gap:16px;border-radius:0;
}
.faq-wrap .accordion-button::after{display:none}
.faq-wrap .accordion-button:not(.collapsed){color:var(--brand-500);background:var(--surface)}
.faq-wrap .accordion-button:hover{background:rgba(198,242,78,.12)}
.faq-wrap .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-num{
  flex-shrink:0;font-size:13px;font-weight:700;color:var(--ink-3);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.faq-mark{
  margin-left:auto;flex-shrink:0;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;background:rgba(198,242,78,.28);color:var(--brand-700);
  font-size:18px;line-height:1;font-weight:600;
  transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.accordion-button:not(.collapsed) .faq-mark{transform:rotate(45deg);background:var(--lime-500);color:var(--brand-900)}
.faq-wrap .accordion-body{
  background:rgba(244,246,241,.75);padding:20px 24px 22px 68px;
  font-size:15.5px;line-height:1.9;color:var(--ink-2);
}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-lg);padding:44px;
  color:var(--dark-text);box-shadow:var(--glow);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;color:#fff;margin-bottom:10px}
.cta-band p{font-size:15.5px;color:rgba(234,243,239,.84);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:var(--dark-text);padding-top:64px;margin-top:var(--sect-y)}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid var(--dark-line);
}
.footer-brand .fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .brand-mark{background:rgba(198,242,78,.12);color:var(--lime-500)}
.site-footer .brand-text .l1{color:#fff}
.site-footer .brand-text .l2{color:rgba(234,243,239,.68)}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(234,243,239,.72);max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14.5px;color:rgba(234,243,239,.74)}
.footer-col ul a:hover{color:var(--lime-500)}
.fc-contact{font-size:14.5px;line-height:2;color:rgba(234,243,239,.74)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:22px 0 28px;font-size:13.5px;color:rgba(234,243,239,.62);
}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{color:rgba(234,243,239,.72);border-bottom:1px solid transparent}
.footer-links a:hover{color:var(--lime-500);border-bottom-color:var(--lime-500)}

/* ============ 动效 ============ */
.js .reveal{opacity:0;transform:translateY(12px)}
.js .reveal.is-visible{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sect-y:72px}
  .pill-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:56px}
  .site-header.is-scrolled .header-inner{height:56px}
  .compare-grid,.split-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  :root{--sect-y:56px}
  .container{padding-inline:20px}
  .pill-grid{grid-template-columns:1fr}
  .cta-band{padding:30px;border-radius:var(--r-card)}
  .section-head{margin-bottom:32px}
  .faq-wrap .accordion-body{padding-left:24px}
  .hero-sub{font-size:16px}
  .footer-top{grid-template-columns:1fr;gap:26px}
}
@media (max-width:575px){
  .compare-col,.info-card{padding:22px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .hero-tags{gap:8px}
  .footer-bottom{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}
  .js .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --brand-900:#08221F;
  --brand-700:#0B3B34;
  --brand-500:#14876F;
  --brand-300:#6FC2A8;
  --lime-500:#C6F24E;
  --lime-600:#A8D93A;
  --amber-500:#FF8A3D;
  --bg:#F4F6F1;
  --surface:#FFFFFF;
  --ink:#0F1A18;
  --ink-2:#5A6B67;
  --ink-3:#93A19C;
  --line:#E3E8E1;
  --on-dark:#EAF3EF;
  --dark-line:rgba(255,255,255,.12);
  --lime-soft:rgba(198,242,78,.14);
  --grad-brand:linear-gradient(120deg,#0B3B34 0%,#14876F 55%,#1FA98A 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,59,52,.06),0 8px 24px -12px rgba(11,59,52,.18);
  --sh-2:0 18px 40px -18px rgba(11,59,52,.28);
  --sec-y:96px;
  --gap:24px;
  --num-font:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;

  --bs-primary:#14876F;
  --bs-body-color:#0F1A18;
  --bs-body-bg:#F4F6F1;
  --bs-border-color:#E3E8E1;
  --bs-border-radius:12px;
  --bs-link-color:#0B3B34;
  --bs-link-hover-color:#14876F;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(30px,3.6vw,44px);line-height:1.15;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25}
h3{font-size:19px;line-height:1.4;font-weight:600}
h4{font-size:15px;line-height:1.5;font-weight:600}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease,background-color .18s ease}
a:hover{color:var(--brand-500)}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:3px solid var(--lime-500);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* 顶部进度细条 */
.top-line{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:1200;
  background:var(--grad-brand);
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1100;
  background:rgba(244,246,241,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(244,246,241,.86);
  box-shadow:0 10px 30px -22px rgba(11,59,52,.45);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:60px}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--lime-soft);
  border:1px solid rgba(198,242,78,.45);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text .l1{font-size:16px;font-weight:800;color:var(--brand-700);letter-spacing:.06em}
.brand-text .l2{font-size:11px;color:var(--ink-2);letter-spacing:.04em}

.main-nav{display:flex;align-items:center;gap:2px;margin-right:auto}
.main-nav a{
  position:relative;
  padding:9px 12px;border-radius:10px;
  font-size:15px;color:var(--ink-2);
}
.main-nav a:hover{color:var(--brand-700);background:var(--lime-soft)}
.main-nav a.is-active{color:var(--brand-700);font-weight:600}
.main-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  border-radius:2px;background:var(--lime-500);
}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

.cmd-search{
  position:relative;
  display:flex;align-items:center;gap:8px;
  width:280px;
  padding:9px 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:width .22s ease,border-color .18s ease,box-shadow .18s ease;
}
.cmd-search:focus-within{
  width:380px;
  border-color:var(--lime-600);
  box-shadow:0 0 0 4px rgba(198,242,78,.28);
}
.cmd-search svg{width:16px;height:16px;flex:0 0 auto;color:var(--ink-3)}
.cmd-search input{
  width:100%;border:0;outline:none;background:transparent;
  color:var(--ink);font-size:14px;
}
.cmd-search input::placeholder{color:var(--ink-3)}
.kbd{
  flex:0 0 auto;font-size:11px;line-height:1;
  padding:4px 7px;border-radius:7px;
  border:1px solid var(--line);background:var(--bg);color:var(--ink-3);
  font-family:var(--num-font);
}
.cmd-panel{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  padding:14px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.cmd-search:focus-within .cmd-panel{opacity:1;visibility:visible;transform:none}
.cp-title{display:block;font-size:12px;letter-spacing:.06em;color:var(--ink-3);margin-bottom:10px}
.cmd-panel a{
  display:block;padding:8px 10px;border-radius:10px;
  font-size:14px;color:var(--ink-2);
}
.cmd-panel a:hover{background:var(--lime-soft);color:var(--brand-700)}

.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line);
  color:var(--brand-700);
  transition:transform .16s ease,border-color .16s ease,background-color .16s ease;
}
.icon-btn:hover{border-color:var(--lime-600);background:var(--lime-soft);transform:translateY(-1px)}
.icon-btn svg{width:17px;height:17px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;
  border-radius:var(--r-sm);
  border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;
  transition:transform .16s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-lime{
  background:var(--lime-500);color:var(--brand-900);
  border-color:var(--lime-500);
}
.btn-lime:hover{
  background:var(--lime-600);border-color:var(--lime-600);color:var(--brand-900);
  transform:translateY(-1px);
  box-shadow:0 14px 28px -16px rgba(11,59,52,.55);
}
.btn-lime:active{transform:translateY(1px);box-shadow:none}
.btn-line{
  background:transparent;color:var(--brand-700);border-color:var(--brand-700);
}
.btn-line:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}
.btn-line:active{transform:translateY(1px)}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-line-light:hover{background:#fff;color:var(--brand-900);border-color:#fff}
.btn-block{width:100%}
.btn:disabled{filter:saturate(.55);opacity:.65;cursor:not-allowed;transform:none}
.btn.is-loading{position:relative;color:transparent}
.btn.is-loading::after{
  content:"";position:absolute;width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(8,34,31,.35);border-top-color:var(--brand-900);
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--brand-700);
  place-items:center;
}
.nav-toggle svg{width:20px;height:20px}

.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--surface);
  padding:16px 24px 24px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .m-link{
  display:block;padding:12px 14px;border-radius:12px;
  font-size:15px;color:var(--ink-2);border:1px solid transparent;
}
.mobile-drawer .m-link:hover{background:var(--lime-soft);color:var(--brand-700)}
.mobile-drawer .m-link.is-active{
  color:var(--brand-700);font-weight:600;
  border-color:rgba(198,242,78,.6);background:var(--lime-soft);
}
.mobile-drawer .btn{margin-top:14px}

/* ============ 页面头部 ============ */
.page-head{
  position:relative;
  background-image:linear-gradient(180deg,rgba(244,246,241,.95),rgba(244,246,241,.99)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  padding:22px 0 6px;
  font-size:13px;color:var(--ink-3);
}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb [aria-current]{color:var(--brand-700);font-weight:600}

.head-grid{
  display:grid;grid-template-columns:1.08fr .92fr;
  gap:56px;align-items:center;
  padding:18px 0 72px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;
  color:var(--brand-700);
  background:var(--lime-soft);
  border:1px solid rgba(198,242,78,.55);
  margin-bottom:18px;
}
.head-copy h1{margin-bottom:16px}
.head-copy .lead{
  font-size:17px;color:var(--ink-2);max-width:520px;margin-bottom:26px;
}
.head-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.head-meta{display:flex;flex-wrap:wrap;gap:10px 22px}
.head-meta li{
  font-size:13px;color:var(--ink-2);
  display:flex;align-items:center;gap:8px;
}
.head-meta li::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--lime-500);flex:0 0 auto;
}
.head-figure{margin:0}
.head-figure img{
  width:100%;border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
}

/* 板块 */
.section{padding:var(--sec-y) 0}
.section-tight{padding:64px 0}
.section-dark{
  background:var(--brand-900);
  color:var(--on-dark);
}
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:40px;
}
.sec-head h2{margin-bottom:10px}
.sec-head p{color:var(--ink-2);max-width:620px;margin:0}
.section-dark .sec-head p{color:rgba(234,243,239,.72)}
.section-dark h2{color:#fff}

/* Bento */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap)}
.card-p{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card-p:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(198,242,78,.7)}
.card-p h3{margin:0}
.card-p p{color:var(--ink-2);font-size:15px;margin:0}
.card-foot{margin-top:auto;padding-top:8px}
.card-foot a{
  font-size:14px;font-weight:600;color:var(--brand-700);
  border-bottom:1px dashed var(--brand-500);padding-bottom:2px;
}
.card-foot a:hover{border-bottom-style:solid;background:var(--lime-soft)}
.b-6{grid-column:span 6}
.b-3{grid-column:span 3}
.b-12{grid-column:span 12}
.card-row{
  flex-direction:row;align-items:center;justify-content:space-between;gap:28px;
  background:var(--grad-brand);color:var(--on-dark);
  border-color:rgba(198,242,78,.18);
  box-shadow:inset 0 0 0 1px rgba(198,242,78,.12),var(--sh-1);
}
.card-row h3{color:#fff}
.card-row p{color:rgba(234,243,239,.78)}
.ico-badge{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--lime-soft);
  border:1px solid rgba(198,242,78,.5);
  color:var(--brand-700);
}
.card-row .ico-badge{background:rgba(198,242,78,.16);color:var(--lime-500);border-color:rgba(198,242,78,.4)}
.ico-badge svg{width:22px;height:22px}

/* 指标卡 */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.stat-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.stat-label{font-size:13px;color:var(--ink-2)}
.stat-num{
  display:flex;align-items:baseline;gap:6px;
  font-family:var(--num-font);
  font-variant-numeric:tabular-nums;
}
.stat-num .v{font-size:36px;font-weight:800;color:var(--brand-700);line-height:1}
.stat-num .u{font-size:14px;color:var(--ink-2)}
.stat-card p{font-size:14px;color:var(--ink-2);margin:12px 0 0}
.chip{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;
  color:var(--brand-700);
  background:rgba(198,242,78,.18);
  border:1px solid rgba(198,242,78,.55);
}
.chip-warn{
  color:#8A3E12;
  background:rgba(255,138,61,.14);
  border-color:rgba(255,138,61,.45);
}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:34px;padding:0 10px;
  border-radius:var(--r-pill);
  background:var(--lime-500);color:var(--brand-900);
  font-family:var(--num-font);font-size:13px;font-weight:700;
  margin-bottom:16px;
}
.step h3{margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);margin:0}

/* 双列信息 */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.info-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px;
  box-shadow:var(--sh-1);
}
.info-card h3{margin-bottom:18px;display:flex;align-items:center;gap:10px}
.info-list{display:grid;gap:14px}
.info-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--ink-2);
}
.info-list li svg{width:18px;height:18px;flex:0 0 auto;margin-top:5px;color:var(--brand-500)}
.info-card.accent{
  background:var(--brand-900);color:var(--on-dark);
  border-color:rgba(198,242,78,.18);
}
.info-card.accent h3{color:#fff}
.info-card.accent .info-list li{color:rgba(234,243,239,.82)}
.info-card.accent .info-list li svg{color:var(--lime-500)}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:border-color .18s ease;
}
.faq-item[open]{border-color:rgba(198,242,78,.7)}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;
  cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-idx{
  font-family:var(--num-font);font-size:13px;color:var(--ink-3);
  flex:0 0 auto;
}
.faq-item summary .q{flex:1 1 auto}
.plus{
  position:relative;flex:0 0 auto;
  width:30px;height:30px;border-radius:50%;
  background:var(--lime-soft);border:1px solid rgba(198,242,78,.6);
  transition:transform .2s ease,background-color .2s ease;
}
.plus::before,.plus::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--brand-700);border-radius:2px;
  transform:translate(-50%,-50%);
}
.plus::before{width:12px;height:2px}
.plus::after{width:2px;height:12px;transition:opacity .2s ease}
.faq-item[open] .plus{background:var(--lime-500);transform:rotate(180deg)}
.faq-item[open] .plus::after{opacity:0}
.faq-body{
  padding:0 24px 22px 62px;
  color:var(--ink-2);font-size:15px;
}
.faq-item[open] summary{background:rgba(244,246,241,.7)}

/* CTA + 表单 */
.cta-card{
  background:var(--grad-brand);
  border-radius:var(--r-lg);
  padding:48px;
  display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;
  color:var(--on-dark);
  border:1px solid rgba(198,242,78,.18);
  box-shadow:inset 0 0 0 1px rgba(198,242,78,.1),var(--sh-2);
}
.cta-copy h2{color:#fff;margin-bottom:16px}
.cta-copy p{color:rgba(234,243,239,.8);margin-bottom:22px}
.cta-points{display:grid;gap:12px}
.cta-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:rgba(234,243,239,.86);
}
.cta-points li svg{width:17px;height:17px;flex:0 0 auto;margin-top:5px;color:var(--lime-500)}

.form-card{
  background:var(--surface);
  border-radius:var(--r-md);
  padding:28px;
  box-shadow:var(--sh-2);
}
.form-card h3{margin-bottom:6px}
.form-card .form-hint{font-size:13px;color:var(--ink-2);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{
  display:block;font-size:13px;color:var(--ink-2);
  margin-bottom:7px;font-weight:600;
}
.field input[type="text"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  padding:12px 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--lime-600);
  box-shadow:0 0 0 4px rgba(198,242,78,.28);
}
.field textarea{resize:vertical;min-height:88px}
.check{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13px;color:var(--ink-2);
  margin:4px 0 18px;
}
.check input{margin-top:3px;accent-color:var(--brand-500);width:16px;height:16px;flex:0 0 auto}
.form-error{
  display:none;align-items:center;gap:8px;
  font-size:13px;color:#8A3E12;
  background:rgba(255,138,61,.12);
  border:1px solid rgba(255,138,61,.4);
  border-radius:var(--r-sm);
  padding:10px 14px;margin-bottom:14px;
}
.form-error.is-visible{display:flex}
.form-error svg{width:16px;height:16px;flex:0 0 auto}

/* 页脚 */
.site-footer{
  background:var(--brand-900);
  color:var(--on-dark);
  margin-top:var(--sec-y);
  padding:56px 0 28px;
  border-top:1px solid var(--dark-line);
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid var(--dark-line);
}
.footer-brand p{
  margin-top:16px;font-size:14px;color:rgba(234,243,239,.7);max-width:340px;
}
.fb-logo{display:flex;align-items:center;gap:10px}
.fb-logo .brand-mark{
  background:rgba(198,242,78,.14);border-color:rgba(198,242,78,.4);
}
.fb-logo .brand-text .l1{color:#fff}
.fb-logo .brand-text .l2{color:rgba(234,243,239,.6)}
.footer-col h4{color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  font-size:14px;color:rgba(234,243,239,.72);
  border-bottom:1px solid transparent;padding-bottom:1px;
}
.footer-col a:hover{color:#fff;border-bottom-color:var(--lime-500)}
.fc-contact{font-size:14px;color:rgba(234,243,239,.72);line-height:2}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;padding-top:22px;
  font-size:13px;color:rgba(234,243,239,.58);
}
.footer-bottom p{margin:0}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{
  font-size:13px;color:rgba(234,243,239,.7);
}
.footer-links a:hover{color:var(--lime-500)}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{
  opacity:1;transform:none;
  transition:opacity .2s ease-out,transform .2s ease-out;
}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal.is-in{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec-y:72px}
  .cmd-search{width:230px}
  .cmd-search:focus-within{width:300px}
  .b-6{grid-column:span 6}
  .b-3{grid-column:span 6}
}
@media (max-width:991px){
  :root{--sec-y:72px}
  .main-nav,.cmd-search{display:none}
  .nav-toggle{display:grid}
  .head-grid{grid-template-columns:1fr;gap:36px;padding-bottom:56px}
  .head-figure{order:-1}
  .head-copy .lead{max-width:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:36px;gap:32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .stat-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:767px){
  :root{--sec-y:56px}
  .container{padding:0 18px}
  .header-inner{height:56px;gap:12px}
  .site-header.is-scrolled .header-inner{height:56px}
  .brand-text .l1{font-size:15px}
  .header-actions .btn-lime{padding:10px 16px;font-size:14px}
  .two-col{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .card-row{flex-direction:column;align-items:flex-start;gap:20px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .faq-body{padding-left:24px}
}
@media (max-width:575px){
  h1{font-size:30px}
  .b-6,.b-3,.b-12{grid-column:span 12}
  .steps{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .head-cta .btn{width:100%}
  .cta-card{padding:26px 20px}
  .form-card{padding:20px}
  .icon-btn{display:none}
}

/* roulang page: category4 */
:root{
  --brand-900:#08221F;
  --brand-700:#0B3B34;
  --brand-500:#14876F;
  --brand-300:#6FC2A8;
  --lime-500:#C6F24E;
  --lime-600:#A8D93A;
  --amber-500:#FF8A3D;
  --bg:#F4F6F1;
  --surface:#FFFFFF;
  --ink:#0F1A18;
  --ink-2:#5A6B67;
  --ink-3:#93A19C;
  --line:#E3E8E1;
  --on-dark:#EAF3EF;
  --dark-line:rgba(255,255,255,.12);
  --brand-grad:linear-gradient(120deg,#0B3B34 0%,#14876F 55%,#1FA98A 100%);
  --r-btn:12px;
  --r-card:20px;
  --r-lg:28px;
  --r-img:16px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(11,59,52,.06),0 8px 24px -12px rgba(11,59,52,.18);
  --sh-hover:0 18px 40px -18px rgba(11,59,52,.28);
  --sec-y:96px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;

  --bs-primary:#14876F;
  --bs-body-color:#0F1A18;
  --bs-body-bg:#F4F6F1;
  --bs-border-color:#E3E8E1;
  --bs-border-radius:12px;
  --bs-link-color:#0B3B34;
  --bs-link-hover-color:#14876F;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease,background-color .18s ease}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid var(--lime-500);
  outline-offset:2px;
  border-radius:6px;
}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec-y) 0}
.section-tight{padding:64px 0}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(244,246,241,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(11,59,52,.5);background:rgba(244,246,241,.96)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;transition:height .22s ease}
.site-header.is-scrolled .header-inner{height:60px}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand .brand-mark{
  width:36px;height:36px;flex:0 0 36px;display:grid;place-items:center;
  border-radius:11px;background:var(--brand-grad);
  box-shadow:0 6px 16px -10px rgba(11,59,52,.9);
}
.brand .brand-mark svg{width:22px;height:22px}
.brand .brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand .l1{font-size:15px;font-weight:800;letter-spacing:.08em;color:var(--brand-900)}
.brand .l2{font-size:11px;color:var(--ink-2);letter-spacing:.02em}
.brand:hover .l1{color:var(--brand-500)}

.main-nav{display:flex;align-items:stretch;gap:2px;height:100%;margin-left:6px}
.main-nav a{
  position:relative;display:flex;align-items:center;
  padding:0 13px;font-size:14.5px;color:var(--ink-2);white-space:nowrap;
  transition:color .18s ease,background-color .18s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:0;height:2px;
  background:transparent;border-radius:2px;transition:background-color .18s ease;
}
.main-nav a:hover{color:var(--brand-700);background:rgba(20,135,111,.07)}
.main-nav a.is-active{color:var(--brand-900);font-weight:700}
.main-nav a.is-active::after{background:var(--lime-500)}

.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}

.cmd-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:262px;height:40px;padding:0 10px 0 12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-btn);
  transition:width .22s ease,border-color .2s ease,box-shadow .2s ease;
}
.cmd-search:focus-within{width:370px;border-color:var(--lime-500);box-shadow:0 0 0 3px rgba(198,242,78,.3)}
.cmd-search svg{width:16px;height:16px;stroke:var(--ink-3);fill:none;stroke-width:1.9;flex:0 0 16px}
.cmd-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;
  font-size:13.5px;color:var(--ink);padding:0;
}
.cmd-search input::placeholder{color:var(--ink-3)}
.kbd-key{
  flex:0 0 auto;font-family:var(--mono);font-size:11px;line-height:1;
  padding:5px 7px;border-radius:7px;color:var(--ink-2);
  background:var(--bg);border:1px solid var(--line);
}
.hot-panel{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-hover);padding:14px;z-index:50;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.cmd-search:focus-within .hot-panel{opacity:1;visibility:visible;transform:translateY(0)}
.hot-panel dt{font-size:12px;letter-spacing:.04em;color:var(--ink-3);margin-bottom:8px}
.hot-panel dd{margin:0;display:flex;flex-wrap:wrap;gap:8px}
.hot-panel dd a{
  font-size:12.5px;padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(20,135,111,.08);color:var(--brand-700);
}
.hot-panel dd a:hover{background:var(--brand-700);color:#fff}

.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;flex:0 0 38px;
  border-radius:var(--r-pill);background:var(--surface);
  border:1px solid var(--line);color:var(--brand-700);
  transition:background-color .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.icon-btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-1px)}
.icon-btn:active{transform:translateY(0)}

.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:1px solid transparent;border-radius:var(--r-btn);
  background:var(--lime-500);color:var(--brand-900);font-weight:700;font-size:15px;
  cursor:pointer;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-lime:hover{background:var(--lime-600);transform:translateY(-1px);box-shadow:0 14px 28px -16px rgba(11,59,52,.8);color:var(--brand-900)}
.btn-lime:active{transform:translateY(0);box-shadow:none}
.btn-lime:disabled{opacity:.6;cursor:not-allowed;transform:none;filter:saturate(.4)}

.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);border:1.5px solid var(--brand-700);
  background:transparent;color:var(--brand-700);font-weight:600;font-size:15px;
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.btn-outline:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}

.btn-outline-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);
  border:1.5px solid rgba(234,243,239,.55);background:transparent;
  color:var(--on-dark);font-weight:600;font-size:15px;
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-outline-light:hover{background:rgba(234,243,239,.14);border-color:var(--on-dark);color:#fff;transform:translateY(-1px)}

.header-cta{padding:10px 20px;font-size:14.5px}

.menu-toggle{
  width:40px;height:40px;display:none;place-items:center;
  border-radius:var(--r-pill);background:var(--surface);
  border:1px solid var(--line);color:var(--brand-700);
}
.menu-toggle svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.menu-toggle:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff}

.drawer{background:var(--bg);width:min(340px,86vw)}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.drawer .offcanvas-body{padding:22px}
.drawer .drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer .drawer-nav a{
  padding:13px 14px;border-radius:var(--r-btn);font-size:15.5px;color:var(--ink-2);
  border:1px solid transparent;
}
.drawer .drawer-nav a:hover{background:rgba(20,135,111,.08);color:var(--brand-700)}
.drawer .drawer-nav a.is-active{
  background:var(--surface);border-color:var(--line);
  color:var(--brand-900);font-weight:700;box-shadow:var(--sh);
}
.drawer .drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-btn);margin-bottom:16px;
}
.drawer .drawer-search svg{width:16px;height:16px;stroke:var(--ink-3);fill:none;stroke-width:1.9}
.drawer .drawer-search input{flex:1;border:0;outline:0;background:transparent;font-size:14px}

/* ---------- 首屏搜索区 ---------- */
.hero-q{position:relative;overflow:hidden;background:var(--brand-700);padding:52px 0 62px}
.hero-q::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.3;
}
.hero-q::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(8,34,31,.95) 0%,rgba(11,59,52,.88) 52%,rgba(20,135,111,.76) 100%);
}
.hero-q-inner{position:relative;z-index:2;max-width:880px;margin:0 auto;text-align:center}
.crumb-line{
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:13px;color:rgba(234,243,239,.72);margin-bottom:16px;
}
.crumb-line a{color:rgba(234,243,239,.86)}
.crumb-line a:hover{color:var(--lime-500)}
.crumb-line .sep{opacity:.5}
.hero-q h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
}
.hero-q-sub{
  margin:16px auto 0;max-width:620px;
  font-size:16px;line-height:1.85;color:rgba(234,243,239,.86);
}
.cmd-big{
  display:flex;align-items:center;gap:12px;
  max-width:640px;margin:30px auto 16px;padding:10px 14px;
  background:rgba(255,255,255,.97);border-radius:var(--r-btn);
  box-shadow:0 22px 50px -26px rgba(0,0,0,.7);
  transition:box-shadow .2s ease;
}
.cmd-big:focus-within{box-shadow:0 0 0 3px rgba(198,242,78,.55),0 22px 50px -26px rgba(0,0,0,.7)}
.cmd-big svg{width:18px;height:18px;flex:0 0 18px;stroke:var(--brand-500);fill:none;stroke-width:2;stroke-linecap:round}
.cmd-big input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15.5px;padding:9px 0;color:var(--ink)}
.cmd-big input::placeholder{color:var(--ink-3)}
.cmd-big .kbd-key{font-size:11.5px;padding:6px 8px}
.hot-tags{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px}
.hot-tags .hot-label{font-size:12.5px;color:rgba(234,243,239,.7);letter-spacing:.04em}
.tag-pill{
  display:inline-flex;align-items:center;
  font-size:12.5px;padding:6px 13px;border-radius:var(--r-pill);
  background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.45);
  color:var(--lime-500);
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.tag-pill:hover{background:var(--lime-500);color:var(--brand-900);transform:translateY(-1px)}

/* ---------- 通用标题 ---------- */
.sec-head{margin-bottom:40px}
.sec-head.center{text-align:center;max-width:680px;margin-left:auto;margin-right:auto}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--brand-500);text-transform:uppercase;margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:20px;height:2px;background:var(--lime-500);border-radius:2px}
.sec-title{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--brand-900);
}
.sec-desc{margin-top:12px;font-size:15.5px;color:var(--ink-2);line-height:1.85}

/* ---------- 快速跳转条 ---------- */
.jump-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:18px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);
}
.jump-bar .jb-label{font-size:13.5px;font-weight:700;color:var(--brand-900);margin-right:4px}
.jump-bar a{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;padding:8px 15px;border-radius:var(--r-pill);
  background:rgba(20,135,111,.08);color:var(--brand-700);font-weight:600;
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.jump-bar a:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}

/* ---------- 常见问题分组 ---------- */
.faq-group{margin-bottom:44px}
.group-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px}
.group-index{
  flex:0 0 42px;width:42px;height:42px;display:grid;place-items:center;
  border-radius:14px;background:var(--brand-grad);color:var(--lime-500);
  font-family:var(--mono);font-size:16px;font-weight:700;
  box-shadow:0 10px 22px -14px rgba(11,59,52,.9);
}
.group-head h2{font-size:clamp(20px,2vw,25px);line-height:1.35;font-weight:700;color:var(--brand-900)}
.group-head p{margin-top:6px;font-size:14px;color:var(--ink-2)}
.group-count{font-size:13px;color:var(--ink-3);margin-left:auto;padding-top:10px;white-space:nowrap}

.faq-acc{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:var(--surface);box-shadow:var(--sh);
}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-acc .accordion-item:last-child{border-bottom:0}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  display:flex;align-items:flex-start;gap:16px;width:100%;
  padding:22px 24px;border:0;border-radius:0;background:transparent;
  font-size:16.5px;font-weight:600;line-height:1.6;color:var(--ink);
  box-shadow:none;transition:background-color .18s ease,color .18s ease;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-700);background:rgba(198,242,78,.14)}
.faq-acc .accordion-button:hover{background:rgba(20,135,111,.06)}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button:focus-visible{outline:3px solid var(--lime-500);outline-offset:-3px}
.acc-num{
  flex:0 0 30px;font-family:var(--mono);font-size:13px;font-weight:700;
  color:var(--brand-500);padding-top:3px;letter-spacing:.02em;
}
.acc-text{flex:1;text-align:left}
.acc-toggle{
  position:relative;flex:0 0 28px;width:28px;height:28px;margin-top:1px;
  border-radius:var(--r-pill);background:rgba(198,242,78,.4);
  border:1px solid var(--lime-500);
}
.acc-toggle::before,.acc-toggle::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--brand-900);border-radius:2px;transform:translate(-50%,-50%);
}
.acc-toggle::before{width:12px;height:2px}
.acc-toggle::after{width:2px;height:12px;transition:transform .2s ease,opacity .2s ease}
.faq-acc .accordion-button:not(.collapsed) .acc-toggle::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-acc .accordion-body{
  padding:0 24px 24px 70px;
  background:var(--bg);
  font-size:15.5px;line-height:1.9;color:var(--ink-2);
}
.faq-acc .accordion-body strong{color:var(--brand-700);font-weight:700}

/* ---------- 协助卡片 ---------- */
.help-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:0;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);
}
.help-body{padding:40px}
.help-body h2{font-size:clamp(22px,2.3vw,30px);line-height:1.3;font-weight:700;color:var(--brand-900)}
.help-body p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--ink-2)}
.help-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px}
.help-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--ink-2)}
.help-list .tick{
  flex:0 0 20px;width:20px;height:20px;margin-top:3px;display:grid;place-items:center;
  border-radius:var(--r-pill);background:var(--lime-500);
}
.help-list .tick svg{width:12px;height:12px;stroke:var(--brand-900);fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.help-media{position:relative;min-height:320px;overflow:hidden}
.help-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.help-card:hover .help-media img{transform:scale(1.04)}

/* ---------- 底部 CTA 条 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:26px;
  padding:36px 40px;border-radius:var(--r-lg);
  background:var(--brand-grad);color:var(--on-dark);
  box-shadow:0 26px 60px -34px rgba(11,59,52,.85);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:230px;height:230px;
  border-radius:50%;background:rgba(198,242,78,.14);
}
.cta-band-text{position:relative;z-index:2}
.cta-band h2{font-size:clamp(21px,2.2vw,28px);line-height:1.3;font-weight:700;color:#fff}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(234,243,239,.86);max-width:640px}
.cta-band-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:var(--on-dark);margin-top:var(--sec-y)}
.site-footer .container{padding-top:64px}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid var(--dark-line);
}
.footer-brand .fb-logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{
  width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;
  border-radius:12px;background:rgba(198,242,78,.12);
  border:1px solid rgba(198,242,78,.35);
}
.footer-brand .brand-mark svg{width:22px;height:22px}
.footer-brand .brand-text{display:flex;flex-direction:column;line-height:1.14}
.footer-brand .l1{font-size:15px;font-weight:800;letter-spacing:.08em;color:#fff}
.footer-brand .l2{font-size:11.5px;color:rgba(234,243,239,.7)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(234,243,239,.72);max-width:330px}
.footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:rgba(234,243,239,.72)}
.footer-col ul a:hover{color:var(--lime-500)}
.fc-contact{font-size:14px;line-height:2;color:rgba(234,243,239,.72)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0 34px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:rgba(234,243,239,.6)}
.footer-links{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.footer-links a{font-size:13.5px;color:rgba(234,243,239,.7)}
.footer-links a:hover{color:var(--lime-500)}

/* ---------- 进入视口动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .2s ease-out,transform .2s ease-out}
.reveal.is-in{opacity:1;transform:translateY(0)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cmd-search{width:220px}
  .cmd-search:focus-within{width:280px}
  .icon-btn.extra{display:none}
  .main-nav a{padding:0 10px;font-size:14px}
  .main-nav a::after{left:10px;right:10px}
  .help-body{padding:34px}
}
@media (max-width:991px){
  :root{--sec-y:72px}
  .main-nav{display:none}
  .cmd-search{display:none}
  .icon-btn{display:none}
  .menu-toggle{display:grid}
  .header-cta{display:none}
  .help-card{grid-template-columns:1fr}
  .help-media{min-height:240px;order:-1}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px}
  .cta-band-actions{width:100%}
  .section-tight{padding:52px 0}
}
@media (max-width:767px){
  .hero-q{padding:40px 0 50px}
  .hero-q-sub{font-size:15px}
  .cmd-big{flex-wrap:wrap;padding:8px 12px}
  .cmd-big .kbd-key{display:none}
  .faq-acc .accordion-body{padding:0 20px 22px 20px}
  .faq-acc .accordion-button{padding:18px 20px;gap:12px;font-size:15.5px}
  .acc-num{flex:0 0 24px}
  .group-head h2{font-size:20px}
  .group-count{display:none}
}
@media (max-width:575px){
  :root{--sec-y:56px}
  .container{padding:0 18px}
  .header-inner{height:56px;gap:12px}
  .site-header.is-scrolled .header-inner{height:56px}
  .brand .brand-mark{width:32px;height:32px;flex:0 0 32px}
  .brand .l1{font-size:14px}
  .brand .l2{font-size:10.5px}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .help-body{padding:26px 22px}
  .cta-band{padding:28px 22px}
  .cta-band-actions .btn-lime,.cta-band-actions .btn-outline-light{width:100%}
  .faq-acc .accordion-button{font-size:15px}
  .jump-bar{padding:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}