/* roulang page: index */
/* ============ 设计令牌 ============ */
:root{
  --brand-900:#08302B;
  --brand-800:#0C4038;
  --brand-700:#0E5A4C;
  --brand-600:#11806C;
  --accent-a:#FF6B35;
  --accent-b:#FFA23A;
  --lime:#C9F24D;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --surface-alt:#EFEDE6;
  --text:#14201D;
  --text-2:#4A5A56;
  --line:#E2DED4;
  --brand-grad:linear-gradient(115deg,#0E5A4C 0%,#11806C 45%,#FF6B35 100%);
  --accent-grad:linear-gradient(100deg,#FF6B35 0%,#FFA23A 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(8,48,43,.06);
  --sh-2:0 10px 30px rgba(8,48,43,.10);
  --sh-3:0 24px 60px rgba(8,48,43,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap:88px;
}
/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans SC',system-ui,sans-serif;
  font-size:17px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--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}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.muted{color:var(--text-2)}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}
/* ============ 品牌细条 ============ */
.brand-strip{height:6px;background:var(--brand-grad)}
/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  box-shadow:var(--sh-2);
  border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand-grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:14px;
  box-shadow:var(--sh-1);
}
.logo-text{font-weight:800;font-size:18px;letter-spacing:-.2px;color:var(--brand-900);white-space:nowrap}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text-2);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.main-nav a:hover{color:var(--brand-600);background:rgba(17,128,108,.06)}
.main-nav a.is-active{color:var(--brand-600)}
.main-nav a.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:var(--brand-900);color:var(--lime);
  border:1px solid rgba(201,242,77,.55);
  font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.status-pill .dot{
  width:7px;height:7px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 0 0 rgba(201,242,77,.7);animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(201,242,77,.6)}
  70%{box-shadow:0 0 0 8px rgba(201,242,77,0)}
  100%{box-shadow:0 0 0 0 rgba(201,242,77,0)}
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;
  background:var(--surface);box-shadow:var(--sh-3);
  transform:translateX(102%);transition:transform .28s var(--ease);
  padding:26px 22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--surface-alt);
  cursor:pointer;font-size:18px;line-height:1;color:var(--brand-900);
}
.drawer nav a{
  display:block;padding:14px 12px;border-radius:var(--r-m);font-weight:600;
  border:1px solid var(--line);margin-bottom:10px;
}
.drawer nav a.is-active{color:var(--brand-600);border-color:rgba(17,128,108,.35);background:rgba(17,128,108,.06)}
.drawer .status-pill{align-self:flex-start}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,48,43,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1.5px solid transparent;
  font-weight:700;font-size:15px;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--accent-grad);color:#fff;box-shadow:0 6px 18px rgba(255,107,53,.28)}
.btn-primary:hover{background-position:12% 0;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--brand-600);color:var(--brand-600);background:transparent}
.btn-ghost:hover{background:var(--brand-600);color:#fff}
.btn-light{background:var(--surface);color:var(--brand-900);border-color:var(--line)}
.btn-light:hover{border-color:var(--brand-600);color:var(--brand-600)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-600);font-size:15px;
}
.btn-text::after{content:"→";transition:transform .2s var(--ease)}
.btn-text:hover::after{transform:translateX(4px)}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
/* ============ 徽章与标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:var(--r-s);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag-brand{background:rgba(17,128,108,.10);color:var(--brand-700)}
.tag-lime{background:rgba(201,242,77,.28);color:#3B5410}
.tag-dark{background:var(--brand-900);color:var(--lime);border-radius:999px}
.badge-num{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;
  background:var(--surface-alt);color:var(--brand-800);font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:64px 0 72px}
.hero-bg{
  position:absolute;top:0;right:0;width:58%;height:100%;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.9;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,#F7F5F0 0%,rgba(247,245,240,.85) 26%,rgba(247,245,240,.15) 62%,rgba(247,245,240,0) 100%),
    linear-gradient(180deg,rgba(8,48,43,.06),rgba(8,48,43,.06));
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:58fr 42fr;gap:40px;align-items:center;
}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.hero h1{
  font-size:clamp(30px,4.2vw,54px);line-height:1.18;font-weight:800;letter-spacing:-.02em;
  color:var(--brand-900);max-width:16em;
}
.hero-sub{margin-top:20px;font-size:17px;font-weight:400;color:var(--text-2);max-width:34em;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-mini{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-mini span{
  padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.75);
  font-size:12px;font-weight:600;color:var(--brand-700);
}
.hero-visual{position:relative;padding:10px 0 22px}
.hero-card{
  position:relative;background:var(--surface);border-radius:var(--r-xl);
  box-shadow:var(--sh-3);padding:26px;border:1px solid var(--line);
}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.hero-metrics{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding-bottom:20px;border-bottom:1px dashed var(--line)}
.hm-num{font-size:clamp(26px,3vw,36px);font-weight:800;color:var(--brand-900);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.hm-unit{font-size:15px;font-weight:700;margin-left:3px;color:var(--brand-600)}
.hm-label{font-size:13px;color:var(--text-2);margin-top:4px}
.trend{display:flex;align-items:flex-end;gap:8px;height:82px;margin-top:22px}
.trend span{
  flex:1;border-radius:6px 6px 3px 3px;
  background:linear-gradient(180deg,var(--brand-600),rgba(17,128,108,.35));
  height:var(--h,50%);
}
.trend span:nth-child(2n){background:linear-gradient(180deg,#14A183,rgba(20,161,131,.3))}
.trend span:last-child{background:linear-gradient(180deg,var(--accent-a),rgba(255,107,53,.35))}
.hero-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--text-2)}
.hero-card-badge{
  position:absolute;right:-12px;bottom:-14px;
  background:var(--lime);color:#26400A;font-weight:800;font-size:12px;
  padding:9px 16px;border-radius:999px;box-shadow:0 10px 24px rgba(8,48,43,.18);
  border:2px solid #fff;
}
/* ============ 板块通用 ============ */
.section{padding:var(--gap) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--brand-900)}
.section-head p{margin-top:12px;color:var(--text-2);max-width:52em;font-size:16px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-600);margin-bottom:14px;
}
.section-kicker::before{content:"";width:22px;height:2px;background:var(--brand-grad);border-radius:2px}
/* ============ 指标看板 ============ */
.transition-band{height:24px;background:linear-gradient(180deg,var(--bg),var(--brand-900))}
.metrics{background:var(--brand-900);padding:56px 0}
.metrics-grid{display:grid;grid-template-columns:repeat(5,1fr)}
.metric{
  padding:6px 22px;border-left:1px solid rgba(255,255,255,.12);
}
.metric:first-child{border-left:0;padding-left:0}
.metric-num{
  font-size:clamp(28px,3.4vw,44px);font-weight:800;color:var(--lime);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.15;
}
.metric-label{margin-top:10px;font-size:13px;color:rgba(255,255,255,.7);line-height:1.6}
/* ============ 服务矩阵 Bento ============ */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.bento-card{
  position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-l);padding:28px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  display:flex;flex-direction:column;gap:14px;
}
.bento-card::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:0;background:var(--brand-grad);
  transition:width .24s var(--ease);
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(17,128,108,.28)}
.bento-card:hover::before{width:100%}
.bento-card h3{font-size:20px;font-weight:700;color:var(--brand-900);line-height:1.4}
.bento-card p{font-size:15px;color:var(--text-2);line-height:1.8}
.bento-card .card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.bento-lg{grid-column:span 4}
.bento-sm{grid-column:span 2}
.bento-media{
  position:relative;border-radius:var(--r-m);overflow:hidden;margin-top:6px;
}
.bento-media img{width:100%;height:220px;object-fit:cover;transition:transform .4s var(--ease)}
.bento-card:hover .bento-media img{transform:scale(1.03)}
.bento-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,48,43,0) 45%,rgba(8,48,43,.2) 100%);
}
.bento-points{display:flex;flex-direction:column;gap:8px;margin-top:auto}
.bento-points li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.bento-points li::before{
  content:"✓";flex-shrink:0;width:18px;height:18px;border-radius:6px;background:rgba(17,128,108,.12);
  color:var(--brand-600);font-size:11px;font-weight:800;display:grid;place-items:center;margin-top:4px;
}
.bento-icon{
  width:40px;height:40px;border-radius:12px;background:var(--surface-alt);color:var(--brand-700);
  display:grid;place-items:center;font-weight:800;font-size:15px;
}
/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-alt)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{
  font-size:17px;font-weight:700;color:var(--brand-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand-600)}
.news-summary{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-2);
}
.news-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-600);font-size:13px}
.news-more::after{content:"→";transition:transform .2s var(--ease)}
.news-card:hover .news-more::after{transform:translateX(4px)}
.empty-state{
  min-height:220px;border-radius:var(--r-l);border:1px dashed var(--line);background:var(--surface-alt);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:36px 24px;
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:16px;background:var(--surface);color:var(--brand-600);
  display:grid;place-items:center;font-size:22px;box-shadow:var(--sh-1);
}
.empty-state p{color:var(--text-2);font-size:15px}
/* ============ 结果对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.compare-col{border-radius:var(--r-xl);padding:28px;border:1px solid var(--line);background:var(--surface)}
.compare-col--plain{background:var(--surface-alt);border-color:transparent}
.compare-col--good{
  position:relative;background:var(--surface);box-shadow:var(--sh-2);
  border:1px solid rgba(17,128,108,.25);border-left:3px solid transparent;
  border-image:linear-gradient(180deg,#0E5A4C,#11806C 45%,#FF6B35) 1;
  border-image-slice:1;border-left-width:3px;border-top-width:1px;border-right-width:1px;border-bottom-width:1px;
}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.compare-head h3{font-size:20px;font-weight:700;color:var(--brand-900)}
.compare-rows{margin-top:18px}
.compare-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text-2);
}
.compare-row:last-child{border-bottom:0}
.compare-row .row-text{line-height:1.7}
.check-badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
  background:rgba(201,242,77,.3);color:#3B5410;font-size:12px;font-weight:700;white-space:nowrap;
}
.dot-point{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
  background:var(--surface);color:var(--text-2);font-size:12px;font-weight:600;white-space:nowrap;
  border:1px solid var(--line);
}
/* ============ 流程带 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:26px 24px;box-shadow:var(--sh-1);
}
.step::after{
  content:"";position:absolute;top:44px;right:-24px;width:24px;height:2px;
  background:linear-gradient(90deg,rgba(17,128,108,.55),rgba(255,107,53,.4));
}
.step:last-child::after{display:none}
.step-no{
  width:36px;height:36px;border-radius:12px;background:var(--brand-900);color:var(--lime);
  display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:700;color:var(--brand-900);margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.75}
.step-note{margin-top:12px;font-size:12px;color:var(--brand-600);font-weight:600}
/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--brand-900);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-600)}
.faq-icon{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;background:var(--surface-alt);
  display:grid;place-items:center;font-size:16px;font-weight:700;color:var(--brand-700);
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--lime);color:#26400A}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a-inner{max-width:720px;padding:0 4px 22px;font-size:15px;color:var(--text-2);line-height:1.85}
/* ============ 转化表单 ============ */
.cta-wrap{
  background:var(--brand-900);border-radius:var(--r-xl);padding:48px;position:relative;overflow:hidden;
}
.cta-wrap::before,.cta-wrap::after{
  content:"";position:absolute;border-radius:50%;opacity:.10;pointer-events:none;
}
.cta-wrap::before{width:320px;height:320px;border:26px solid var(--lime);right:-90px;top:-110px}
.cta-wrap::after{width:220px;height:220px;border:18px solid var(--accent-a);left:-70px;bottom:-90px}
.cta-grid{position:relative;display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:start}
.cta-copy h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:#fff}
.cta-copy p{margin-top:16px;color:rgba(255,255,255,.72);font-size:15px;line-height:1.85}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;gap:12px;color:rgba(255,255,255,.85);font-size:15px;line-height:1.7}
.cta-list li::before{
  content:"✓";flex-shrink:0;width:20px;height:20px;border-radius:7px;
  background:rgba(201,242,77,.2);color:var(--lime);font-size:12px;font-weight:800;
  display:grid;place-items:center;margin-top:3px;
}
.form-card{background:var(--surface);border-radius:var(--r-l);padding:28px;box-shadow:var(--sh-3)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--brand-900);margin-bottom:8px}
.field label .req{color:var(--accent-a);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;height:50px;padding:0 14px;border-radius:var(--r-m);
  border:1px solid var(--line);background:var(--surface);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:104px;padding:13px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--brand-700) 50%),linear-gradient(135deg,var(--brand-700) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(17,128,108,.16);
}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);margin:6px 0 18px}
.check-line input{
  appearance:none;width:18px;height:18px;border-radius:5px;border:1.5px solid var(--line);
  background:var(--surface);flex-shrink:0;margin-top:3px;cursor:pointer;transition:.2s var(--ease);
}
.check-line input:checked{background:var(--brand-600);border-color:var(--brand-600)}
.check-line input:checked::after{
  content:"✓";display:block;color:#fff;font-size:12px;font-weight:800;text-align:center;line-height:15px;
}
.form-note{margin-top:14px;font-size:13px;color:var(--text-2)}
.form-msg{margin-top:14px;font-size:14px;font-weight:600;color:var(--brand-600);display:none}
.form-msg.is-show{display:block}
/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:var(--gap);position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(201,242,77,0),rgba(201,242,77,.85),rgba(201,242,77,0));
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{width:32px;height:32px}
.footer-brand span{color:#fff;font-weight:800;font-size:17px;letter-spacing:-.2px}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:8px;position:relative;padding-bottom:10px;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:3px;background:var(--lime);border-radius:2px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-col ul{margin-top:8px;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--lime);transform:translateX(2px)}
.footer-qr{
  margin-top:14px;width:110px;height:110px;border-radius:var(--r-m);
  border:1px dashed rgba(255,255,255,.28);display:grid;place-items:center;
  font-size:12px;color:rgba(255,255,255,.5);text-align:center;line-height:1.6;padding:10px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.8);font-weight:600}
.to-top:hover{color:var(--lime)}
.to-top::before{content:"↑"}
/* ============ 响应式 ============ */
@media (max-width:1279px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-lg,.bento-sm{grid-column:span 1}
  .metrics-grid{grid-template-columns:repeat(3,1fr)}
  .metric{padding:14px 18px;border-left:1px solid rgba(255,255,255,.12)}
  .metric:nth-child(3n+1){border-left:0;padding-left:0}
}
@media (max-width:1023px){
  :root{--gap:64px}
  .main-nav,.nav-right .status-pill{display:none}
  .nav-toggle{display:flex}
  .nav-right{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-bg{width:100%;opacity:.32}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .cta-wrap{padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--gap:56px}
  .container{padding:0 18px}
  body{font-size:16px}
  .hero{padding:40px 0 52px}
  .hero h1{font-size:clamp(28px,8vw,34px)}
  .hero-actions .btn{width:100%}
  .bento{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(3n+1){border-left:1px solid rgba(255,255,255,.12);padding-left:18px}
  .metric:nth-child(2n+1){border-left:0;padding-left:0}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px}
  .cta-wrap{padding:28px 22px;border-radius:var(--r-l)}
  .section-head{align-items:flex-start}
  .hero-card-badge{right:8px;bottom:-12px}
}
@media (max-width:480px){
  .hm-num{font-size:26px}
  .metric-label{font-size:12px}
  .compare-row{flex-direction:column;align-items:flex-start;gap:8px}
  .news-meta{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-property:color,background-color,border-color,opacity !important}
  .bento-card:hover,.news-card:hover,.btn:hover{transform:none !important}
}

/* roulang page: article */
:root{
  --brand-900:#08302B;
  --brand-800:#0C4038;
  --brand-700:#0E5A4C;
  --brand-600:#11806C;
  --accent-a:#FF6B35;
  --accent-b:#FFA23A;
  --lime:#C9F24D;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --surface-alt:#EFEDE6;
  --text:#14201D;
  --text-2:#4A5A56;
  --line:#E2DED4;
  --grad-brand:linear-gradient(115deg,#0E5A4C 0%,#11806C 45%,#FF6B35 100%);
  --grad-accent:linear-gradient(120deg,#FF6B35 0%,#FFA23A 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(8,48,43,.06);
  --sh-2:0 10px 30px rgba(8,48,43,.10);
  --sh-3:0 24px 60px rgba(8,48,43,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans SC',system-ui,sans-serif;
  font-size:17px;
  line-height:1.8;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶条 ---------- */
.brand-bar{height:6px;background:var(--grad-brand);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(247,245,240,.74);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(247,245,240,.94);box-shadow:var(--sh-2);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:var(--grad-brand);
  color:#fff;
  font-weight:800;
  font-size:17px;
  letter-spacing:-.02em;
  box-shadow:var(--sh-1);
  flex:0 0 auto;
}
.brand-name{font-weight:800;font-size:19px;letter-spacing:-.2px;color:var(--brand-900);}
.main-nav ul{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  transition:color .2s var(--ease);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  border-radius:2px;
  background:var(--brand-600);
  transition:width .24s var(--ease);
}
.main-nav a:hover{color:var(--brand-600);}
.main-nav a:hover::after{width:100%;}
.main-nav a.is-active{color:var(--brand-600);}
.main-nav a.is-active::after{width:100%;background:var(--lime);height:2px;}
.header-actions{display:flex;align-items:center;gap:14px;}
.status-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;
  border-radius:999px;
  background:var(--brand-900);
  border:1px solid rgba(201,242,77,.55);
  color:#EAFBE8;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
}
.status-badge b{color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:0;}
.pulse{
  width:7px;height:7px;border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 0 rgba(201,242,77,.65);
  animation:pulse 2.2s infinite;
  flex:0 0 auto;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(201,242,77,.55);}
  70%{box-shadow:0 0 0 8px rgba(201,242,77,0);}
  100%{box-shadow:0 0 0 0 rgba(201,242,77,0);}
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-900);}
.nav-toggle:hover{border-color:var(--brand-600);box-shadow:var(--sh-1);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-accent);
  background-size:140% 100%;
  color:#fff;
  box-shadow:0 6px 18px rgba(255,107,53,.26);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);background-position:12% 0;}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-ghost{
  border:1.5px solid var(--brand-600);
  color:var(--brand-700);
  background:transparent;
}
.btn-ghost:hover{background:var(--brand-600);color:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid rgba(201,242,77,.85);outline-offset:2px;}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:200;visibility:hidden;pointer-events:none;}
.drawer.is-open{visibility:visible;pointer-events:auto;}
.drawer-scrim{
  position:absolute;inset:0;
  background:rgba(8,48,43,.42);
  opacity:0;
  transition:opacity .24s var(--ease);
}
.drawer.is-open .drawer-scrim{opacity:1;}
.drawer-panel{
  position:absolute;top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  background:var(--surface);
  box-shadow:var(--sh-3);
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  display:flex;flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:38px;height:38px;border-radius:12px;
  border:1px solid var(--line);
  font-size:20px;line-height:1;color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.drawer-close:hover{border-color:var(--brand-600);color:var(--brand-700);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:18px 0;}
.drawer-nav a{
  padding:12px 12px;
  border-radius:var(--r-m);
  font-size:16px;
  font-weight:600;
  color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--surface-alt);color:var(--brand-700);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px;padding-top:18px;border-top:1px solid var(--line);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-2);}
.crumb a{color:var(--text-2);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:#B9B3A6;}
.crumb .current{color:var(--brand-700);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头带 ---------- */
.article-hero{
  position:relative;
  margin-top:18px;
  padding:54px 0 58px;
  background:var(--brand-900);
  color:#fff;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  opacity:.34;
}
.article-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(8,48,43,.95) 0%,rgba(12,64,56,.86) 52%,rgba(8,48,43,.7) 100%);
}
.hero-ring{
  position:absolute;
  border-radius:50%;
  opacity:.10;
  pointer-events:none;
}
.hero-ring.r1{width:420px;height:420px;border:2px solid var(--lime);right:-90px;top:-140px;}
.hero-ring.r2{width:260px;height:260px;border:2px solid var(--accent-b);right:150px;bottom:-130px;}
.article-hero .container{position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-s);
  background:rgba(201,242,77,.16);
  border:1px solid rgba(201,242,77,.42);
  color:var(--lime);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.article-hero h1{
  margin-top:20px;
  max-width:900px;
  font-size:clamp(26px,3.2vw,42px);
  line-height:1.28;
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
}
.hero-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 22px;
  margin-top:24px;
  font-size:14px;
  color:rgba(255,255,255,.76);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta .dotmark{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}

/* ---------- 正文布局 ---------- */
.article-wrap{padding:56px 0 88px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 260px;
  gap:48px;
  align-items:start;
  justify-content:center;
}
.article-main{min-width:0;}

.lead-card{
  background:linear-gradient(180deg,#F3FADB 0%,#EEF6DC 100%);
  border-radius:var(--r-m);
  border-left:3px solid var(--lime);
  padding:22px 24px;
  margin-bottom:34px;
  box-shadow:var(--sh-1);
}
.lead-card h2{
  font-size:15px;
  font-weight:700;
  color:var(--brand-700);
  letter-spacing:.02em;
  margin-bottom:12px;
}
.lead-card ul{display:grid;gap:9px;}
.lead-card li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  line-height:1.7;
  color:#2F423C;
}
.lead-card li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:3px;
  background:var(--brand-600);
}

/* ---------- 正文排版 ---------- */
.article-body{
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  word-wrap:break-word;
}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;
  margin:44px 0 18px;
  padding-left:16px;
  font-size:clamp(21px,2.4vw,27px);
  line-height:1.35;
  font-weight:700;
  color:var(--brand-900);
  letter-spacing:-.01em;
  scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;
  width:4px;border-radius:3px;
  background:var(--brand-700);
}
.article-body h3{
  margin:32px 0 14px;
  font-size:20px;
  line-height:1.4;
  font-weight:700;
  color:var(--brand-800);
  scroll-margin-top:96px;
}
.article-body h4{
  margin:24px 0 12px;
  font-size:17px;
  font-weight:700;
  color:var(--brand-700);
}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:4px;}
.article-body li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  line-height:1.8;
}
.article-body ul li::before{
  content:"";
  position:absolute;left:2px;top:11px;
  width:9px;height:9px;border-radius:50%;
  background:var(--brand-600);
  box-shadow:0 0 0 3px rgba(17,128,108,.12);
}
.article-body ol{counter-reset:li;}
.article-body ol li::before{
  counter-increment:li;
  content:counter(li);
  position:absolute;left:0;top:3px;
  width:20px;height:20px;
  border-radius:8px;
  background:var(--surface-alt);
  color:var(--brand-700);
  font-size:12px;
  font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  background:var(--surface-alt);
  border-left:4px solid var(--lime);
  border-radius:0 var(--r-m) var(--r-m) 0;
  color:#33413D;
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{
  color:var(--brand-600);
  font-weight:600;
  border-bottom:1px solid rgba(17,128,108,.35);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.article-body a:hover{color:var(--accent-a);border-color:rgba(255,107,53,.5);}
.article-body strong{font-weight:700;color:var(--brand-800);}
.article-body img{
  width:100%;
  height:auto;
  border-radius:var(--r-m);
  margin:26px auto;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--text-2);
  text-align:center;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  border-radius:var(--r-m);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.article-body thead th{
  background:var(--brand-900);
  color:#fff;
  font-weight:600;
  text-align:left;
}
.article-body th,.article-body td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
}
.article-body tbody tr:nth-child(even){background:var(--surface-alt);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body pre{
  margin:24px 0;
  padding:20px 22px;
  background:var(--brand-900);
  color:#E6F5EF;
  border-radius:var(--r-m);
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
  background:var(--surface-alt);
  padding:2px 6px;
  border-radius:6px;
  color:var(--brand-700);
}
.article-body pre code{background:none;padding:0;color:inherit;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  min-height:260px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  padding:48px 24px;
  text-align:center;
  background:var(--surface-alt);
  border:1px dashed #D5CFC0;
  border-radius:var(--r-l);
}
.empty-icon{
  width:54px;height:54px;border-radius:16px;
  background:var(--surface);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-600);
  font-size:22px;
  font-weight:800;
}
.empty-state .empty-title{font-size:20px;font-weight:700;color:var(--brand-900);}
.empty-state .empty-desc{max-width:460px;font-size:15px;color:var(--text-2);}

/* ---------- 侧栏 ---------- */
.article-side{
  position:sticky;
  top:96px;
  display:grid;
  gap:20px;
}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:20px;
  box-shadow:var(--sh-1);
}
.side-card h3{
  display:inline-block;
  font-size:14px;
  font-weight:700;
  color:var(--brand-900);
  padding-bottom:8px;
  margin-bottom:14px;
  border-bottom:3px solid var(--lime);
}
.toc-list{display:grid;gap:2px;}
.toc-list a{
  display:block;
  padding:7px 10px;
  border-radius:var(--r-s);
  font-size:14px;
  color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease),padding-left .2s var(--ease);
}
.toc-list a:hover{background:var(--surface-alt);color:var(--brand-700);padding-left:14px;}
.toc-list .toc-sub a{padding-left:22px;font-size:13px;color:#6C7A75;}
.toc-empty{font-size:13px;color:#8C9A95;padding:6px 10px;}
.side-links{display:grid;gap:8px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;
  border-radius:var(--r-m);
  background:var(--surface-alt);
  font-size:14px;
  font-weight:600;
  color:var(--brand-800);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.side-links a:hover{background:var(--brand-600);color:#fff;transform:translateX(3px);}
.side-links .arrow{font-size:13px;opacity:.7;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  padding:6px 12px;
  border-radius:var(--r-s);
  background:#EAF3EF;
  color:var(--brand-700);
  font-size:12px;
  font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tag-cloud a:hover{background:var(--brand-600);color:#fff;}

/* ---------- 继续阅读 ---------- */
.related-section{
  padding:0 0 88px;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  color:var(--brand-900);
  letter-spacing:-.01em;
}
.section-head p{margin-top:8px;font-size:15px;color:var(--text-2);}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--brand-600);
  transition:color .2s var(--ease),gap .2s var(--ease);
}
.text-link:hover{color:var(--accent-a);gap:12px;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.related-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-alt);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.related-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,48,43,0) 45%,rgba(8,48,43,.22) 100%);
}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{padding:20px 22px 24px;}
.related-body h3{
  font-size:18px;line-height:1.45;font-weight:700;color:var(--brand-900);
  margin-bottom:10px;
  transition:color .2s var(--ease);
}
.related-card:hover .related-body h3{color:var(--brand-600);}
.related-body p{font-size:14px;line-height:1.75;color:var(--text-2);}

/* ---------- CTA 表单区 ---------- */
.cta-band{
  position:relative;
  background:var(--brand-900);
  color:#fff;
  padding:76px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
  opacity:.16;
}
.cta-ring{
  position:absolute;border-radius:50%;opacity:.10;pointer-events:none;
}
.cta-ring.a{width:380px;height:380px;border:2px solid var(--lime);left:-120px;bottom:-160px;}
.cta-ring.b{width:200px;height:200px;border:2px solid var(--accent-b);right:80px;top:-70px;}
.cta-band .container{position:relative;z-index:2;}
.cta-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:start;
}
.cta-copy h2{
  font-size:clamp(24px,2.8vw,34px);
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.02em;
}
.cta-copy p{
  margin-top:18px;
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,.78);
  max-width:460px;
}
.cta-points{display:grid;gap:12px;margin-top:26px;}
.cta-points li{
  display:flex;align-items:flex-start;gap:12px;
  font-size:15px;color:rgba(255,255,255,.86);
}
.cta-points .tick{
  flex:0 0 auto;
  width:22px;height:22px;border-radius:8px;
  background:rgba(201,242,77,.18);
  border:1px solid rgba(201,242,77,.5);
  color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
  margin-top:3px;
}
.form-card{
  background:var(--surface);
  border-radius:var(--r-xl);
  padding:30px;
  box-shadow:var(--sh-3);
  color:var(--text);
}
.form-card h3{font-size:19px;font-weight:700;color:var(--brand-900);margin-bottom:6px;}
.form-card .form-hint{font-size:13px;color:var(--text-2);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--text-2);
  margin-bottom:8px;
}
.field label .req{color:var(--accent-a);margin-left:4px;}
.field input[type="text"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  height:50px;
  padding:0 14px;
  border-radius:var(--r-m);
  border:1px solid var(--line);
  background:var(--surface);
  font-size:15px;
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  appearance:none;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--brand-600) 50%),linear-gradient(135deg,var(--brand-600) 50%,transparent 50%);
  background-position:calc(100% - 20px) 22px,calc(100% - 15px) 22px;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(17,128,108,.16);
}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px;}
.check-row input[type="checkbox"]{
  appearance:none;
  width:18px;height:18px;flex:0 0 auto;
  border-radius:5px;
  border:1.5px solid #C7C2B6;
  background:var(--surface);
  margin-top:2px;
  position:relative;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.check-row input[type="checkbox"]:checked{background:var(--brand-600);border-color:var(--brand-600);}
.check-row input[type="checkbox"]:checked::after{
  content:"";
  position:absolute;left:5px;top:1px;
  width:5px;height:10px;
  border:solid #fff;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.check-row label{font-size:13px;color:var(--text-2);line-height:1.6;}
.form-tip{
  margin-top:14px;
  font-size:13px;
  color:var(--brand-700);
  background:#EAF3EF;
  border-radius:var(--r-s);
  padding:10px 14px;
  display:none;
}
.form-tip.is-visible{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.76);
  padding:64px 0 0;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(201,242,77,0) 0%,rgba(201,242,77,.7) 50%,rgba(201,242,77,0) 100%);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:#fff;
  margin-bottom:16px;
}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-col h4{
  position:relative;
  font-size:14px;font-weight:700;color:#fff;
  padding-bottom:10px;margin-bottom:16px;
}
.footer-col h4::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:28px;height:3px;border-radius:2px;
  background:var(--lime);
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col ul a:hover{color:var(--lime);transform:translateX(2px);}
.footer-qr{
  margin-top:16px;
  width:120px;height:96px;
  border-radius:var(--r-m);
  border:1px dashed rgba(201,242,77,.45);
  background:rgba(255,255,255,.05);
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.5;
  color:rgba(255,255,255,.6);
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.58);
}
.to-top{
  color:rgba(255,255,255,.72);
  font-weight:600;
  transition:color .2s var(--ease);
}
.to-top:hover{color:var(--lime);}

/* ---------- 吸底 CTA ---------- */
.sticky-cta{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:110;
  height:64px;
  padding:0 18px calc(0px + env(safe-area-inset-bottom));
  background:rgba(8,48,43,.97);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.sticky-cta span{font-size:13px;color:rgba(255,255,255,.8);}
.sticky-cta .btn{height:42px;padding:0 20px;font-size:14px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-grid .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .article-side{position:static;grid-template-columns:repeat(2,1fr);}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .cta-copy p{max-width:none;}
  .article-wrap{padding:44px 0 68px;}
  .related-section{padding-bottom:68px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  body{font-size:16px;}
  .header-inner{height:62px;}
  .brand-name{font-size:17px;}
  .article-hero{padding:40px 0 44px;}
  .article-hero h1{margin-top:16px;}
  .hero-meta{gap:8px 16px;font-size:13px;}
  .article-body{font-size:16px;line-height:1.8;}
  .article-body p{margin-bottom:18px;}
  .article-body h2{margin-top:34px;padding-left:14px;}
  .article-side{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .related-section{padding-bottom:68px;}
  .related-body{padding:18px 18px 20px;}
  .form-card{padding:22px;border-radius:var(--r-l);}
  .cta-band{padding:56px 0 88px;}
  .sticky-cta{display:flex;}
  .site-footer{padding-bottom:64px;}
  .crumb .current{max-width:200px;}
}
@media (max-width:520px){
  .brand-name{font-size:16px;}
  .logo-mark{width:30px;height:30px;border-radius:10px;font-size:15px;}
  .hero-meta .meta-hide{display:none;}
  .btn{width:100%;}
  .header-actions .btn{width:auto;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .article-body table{font-size:14px;}
  .article-body th,.article-body td{padding:10px 12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --brand-900:#08302B;
  --brand-800:#0C4038;
  --brand-700:#0E5A4C;
  --brand-600:#11806C;
  --accent-a:#FF6B35;
  --accent-b:#FFA23A;
  --lime:#C9F24D;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --surface-alt:#EFEDE6;
  --text:#14201D;
  --text-2:#4A5A56;
  --line:#E2DED4;
  --grad-brand:linear-gradient(115deg,#0E5A4C 0%,#11806C 45%,#FF6B35 100%);
  --grad-accent:linear-gradient(115deg,#FF6B35 0%,#FFA23A 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(8,48,43,.06);
  --sh-2:0 10px 30px rgba(8,48,43,.10);
  --sh-3:0 24px 60px rgba(8,48,43,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans SC',system-ui,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-align:left;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
p{margin:0;}
::selection{background:rgba(201,242,77,.55);color:var(--brand-900);}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;}

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

/* ============ 顶部品牌条 ============ */
.brand-bar{
  height:6px;
  width:100%;
  background:var(--grad-brand);
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(255,255,255,.84);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:var(--sh-2);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:var(--nav-h);
}
.site-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:11px;
  background:var(--grad-brand);
  color:#fff;
  font-weight:800;
  font-size:16px;
  display:grid;
  place-items:center;
  letter-spacing:-.02em;
  box-shadow:0 4px 12px rgba(17,128,108,.28);
}
.logo-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.2px;
  color:var(--brand-900);
  white-space:nowrap;
}
.main-nav ul{
  display:flex;
  align-items:center;
  gap:4px;
}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
}
.main-nav a:hover{
  color:var(--brand-600);
  background:rgba(17,128,108,.08);
}
.main-nav a.is-active{
  color:var(--brand-600);
}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.status-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--brand-900);
  color:#fff;
  border:1px solid rgba(201,242,77,.55);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
}
.status-badge b{
  color:var(--lime);
  font-variant-numeric:tabular-nums;
}
.status-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(201,242,77,.22);
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  padding:11px 10px;
  flex-direction:column;
  justify-content:space-between;
}
.nav-toggle span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--brand-700);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(88vw,340px);
  background:var(--surface);
  box-shadow:var(--sh-3);
  transform:translateX(105%);
  transition:transform .28s var(--ease);
  z-index:200;
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:22px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(8,48,43,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);
  z-index:190;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  color:var(--brand-900);
  font-size:16px;
}
.drawer-close{
  margin-left:auto;
  width:36px;
  height:36px;
  border-radius:10px;
  border:1px solid var(--line);
  font-size:20px;
  line-height:1;
  color:var(--text-2);
}
.drawer-nav ul{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:block;
  padding:12px 14px;
  border-radius:var(--r-s);
  font-size:16px;
  font-weight:600;
  color:var(--text-2);
  background:var(--surface-alt);
}
.drawer-nav a.is-active{
  color:var(--brand-700);
  background:rgba(17,128,108,.10);
  border-left:3px solid var(--lime);
}
.drawer-foot{
  margin-top:auto;
  display:flex;
  flex-direction:column;
  gap:12px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background-position .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{
  background-image:var(--grad-accent);
  background-size:160% 100%;
  background-position:0 0;
  color:#fff;
  box-shadow:0 6px 18px rgba(255,107,53,.28);
}
.btn-primary:hover{
  background-position:20% 0;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  border-color:var(--brand-600);
  color:var(--brand-700);
}
.btn-ghost:hover{
  background:var(--brand-600);
  color:#fff;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-loading{
  opacity:.6;
  cursor:not-allowed;
  transform:none;
  box-shadow:none;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--brand-600);
}
.text-link::after{
  content:"→";
  transition:transform .2s var(--ease);
}
.text-link:hover{color:var(--brand-700);}
.text-link:hover::after{transform:translateX(4px);}

/* ============ 通用徽章 / 标签 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-s);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  background:rgba(17,128,108,.10);
  color:var(--brand-700);
}
.tag-lime{
  background:rgba(201,242,77,.22);
  color:var(--brand-800);
}
.tag-accent{
  background:rgba(255,107,53,.12);
  color:#C64B18;
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  padding:22px 0 0;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:#B6B0A2;}
.breadcrumb .crumb-cur{
  color:var(--text);
  font-weight:600;
  max-width:420px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ============ Hero ============ */
.guide-hero{
  position:relative;
  padding:26px 0 64px;
  overflow:hidden;
}
.guide-hero::before{
  content:"";
  position:absolute;
  width:420px;
  height:420px;
  border-radius:50%;
  border:1px solid rgba(17,128,108,.18);
  right:-150px;
  top:-120px;
  pointer-events:none;
}
.guide-hero::after{
  content:"";
  position:absolute;
  width:260px;
  height:260px;
  border-radius:50%;
  border:1px solid rgba(255,107,53,.16);
  right:40px;
  top:120px;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:56px;
  align-items:center;
  padding-top:34px;
}
.hero-copy .tag{margin-bottom:18px;}
.hero-copy h1{
  font-size:clamp(28px,3.9vw,46px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand-900);
}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  color:var(--text-2);
  max-width:560px;
}
.hero-btns{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-mini{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.mini-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--line);
  font-size:13px;
  font-weight:600;
  color:var(--text-2);
  box-shadow:var(--sh-1);
}
.mini-badge i{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand-600);
  display:inline-block;
}
.hero-visual{
  position:relative;
}
.hero-visual .shot{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-3);
  background:var(--surface-alt);
}
.hero-visual .shot img{
  width:100%;
  height:360px;
  object-fit:cover;
}
.hero-visual .shot::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(8,48,43,.06) 0%,rgba(8,48,43,.34) 100%);
}
.hero-float{
  position:absolute;
  left:-26px;
  bottom:-26px;
  background:var(--surface);
  border-radius:var(--r-l);
  padding:18px 20px;
  box-shadow:var(--sh-3);
  display:flex;
  align-items:center;
  gap:20px;
}
.hero-float .num{
  font-size:28px;
  font-weight:800;
  color:var(--brand-700);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1.1;
}
.hero-float .unit{
  font-size:12px;
  color:var(--text-2);
  display:block;
  font-weight:600;
}
.hero-pill{
  position:absolute;
  right:-14px;
  top:-14px;
  background:var(--brand-900);
  color:#fff;
  border:1px solid rgba(201,242,77,.6);
  border-radius:999px;
  padding:7px 14px;
  font-size:12px;
  font-weight:600;
}
.hero-pill b{color:var(--lime);}

/* ============ 过渡带 ============ */
.grad-strip{
  height:24px;
  background:linear-gradient(180deg,var(--bg) 0%,var(--brand-900) 100%);
}

/* ============ 流程带 ============ */
.process-section{
  padding:0 0 88px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
}
.section-head h2{
  font-size:clamp(22px,2.5vw,30px);
  color:var(--brand-900);
}
.section-head p{
  margin-top:10px;
  color:var(--text-2);
  font-size:15px;
  max-width:640px;
}
.process-track{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.process-track::before{
  content:"";
  position:absolute;
  left:24px;
  right:24px;
  top:35px;
  height:2px;
  background:linear-gradient(90deg,rgba(17,128,108,.35),rgba(255,107,53,.30));
  z-index:0;
}
.process-track li{
  position:relative;
  z-index:1;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:22px 22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.process-track li:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
}
.step-no{
  display:inline-grid;
  place-items:center;
  width:44px;
  height:44px;
  border-radius:14px;
  background:var(--brand-900);
  color:var(--lime);
  font-weight:800;
  font-size:15px;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.process-track h3{
  font-size:17px;
  font-weight:700;
  color:var(--brand-900);
  margin-bottom:8px;
}
.process-track p{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
}

/* ============ 指南主体布局 ============ */
.guide-main{
  padding:0 0 88px;
}
.guide-layout{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.anchor-nav{
  position:sticky;
  top:calc(var(--nav-h) + 30px);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:20px 16px;
  box-shadow:var(--sh-1);
}
.anchor-nav h2{
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--text-2);
  padding:0 12px 12px;
  border-bottom:1px solid var(--line);
  margin-bottom:10px;
}
.anchor-nav li a{
  display:block;
  padding:9px 12px;
  border-radius:10px;
  border-left:3px solid transparent;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
}
.anchor-nav li a:hover{
  background:var(--surface-alt);
  color:var(--brand-700);
}
.anchor-nav li a.is-current{
  color:var(--brand-700);
  font-weight:700;
  background:rgba(17,128,108,.07);
  border-left-color:var(--lime);
}
.anchor-cta{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.anchor-cta .btn{height:42px;padding:0 18px;font-size:14px;}

.guide-stream{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:16px 44px 40px;
  box-shadow:var(--sh-1);
}
.guide-block{
  padding:44px 0;
  border-bottom:1px solid var(--line);
  scroll-margin-top:calc(var(--nav-h) + 28px);
}
.guide-block:last-of-type{border-bottom:none;padding-bottom:12px;}
.guide-block h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(20px,2.3vw,26px);
  color:var(--brand-900);
  margin-bottom:16px;
}
.guide-block h2::before{
  content:"";
  position:absolute;
  left:0;
  top:4px;
  bottom:4px;
  width:4px;
  border-radius:3px;
  background:var(--brand-700);
}
.guide-block > p{
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  margin-bottom:18px;
}
.guide-block > p + p{margin-top:16px;}
.guide-block h3{
  font-size:17px;
  font-weight:700;
  color:var(--brand-800);
  margin:26px 0 10px;
}
.key-points{
  margin-top:18px;
  display:grid;
  gap:12px;
}
.key-points li{
  position:relative;
  padding:14px 18px 14px 44px;
  border-radius:var(--r-m);
  background:var(--surface-alt);
  font-size:15px;
  line-height:1.75;
  color:var(--text-2);
}
.key-points li::before{
  content:"";
  position:absolute;
  left:18px;
  top:21px;
  width:9px;
  height:9px;
  border-radius:3px;
  background:var(--brand-600);
}
.key-points li strong{
  color:var(--text);
  font-weight:700;
}
.note-card{
  margin-top:22px;
  background:rgba(201,242,77,.20);
  border-left:3px solid var(--lime);
  border-radius:var(--r-m);
  padding:18px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--brand-800);
}
.inline-figure{
  margin:24px 0 6px;
  border-radius:var(--r-m);
  overflow:hidden;
  border:1px solid var(--line);
}
.inline-figure img{
  width:100%;
  height:230px;
  object-fit:cover;
}
.inline-figure figcaption{
  font-size:13px;
  color:var(--text-2);
  text-align:center;
  padding:10px 14px;
  background:var(--surface-alt);
}

/* 数据小卡带 */
.metric-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin:26px 0 6px;
  padding:26px 22px;
  border-radius:var(--r-l);
  background:var(--surface-alt);
  border:1px solid var(--line);
}
.metric-cell{
  text-align:center;
  padding:6px 10px;
}
.metric-cell + .metric-cell{
  border-left:1px dashed #D6D1C4;
}
.metric-cell .num{
  font-size:clamp(24px,3vw,32px);
  font-weight:800;
  color:var(--brand-700);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1.1;
}
.metric-cell .unit{
  font-size:14px;
  font-weight:700;
  color:var(--brand-600);
  margin-left:2px;
}
.metric-cell .desc{
  display:block;
  margin-top:8px;
  font-size:13px;
  color:var(--text-2);
}

/* 继续了解 */
.next-links{
  margin-top:34px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.next-card{
  position:relative;
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:24px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.next-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.next-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
}
.next-card:hover::before{transform:scaleX(1);}
.next-card h3{
  font-size:18px;
  color:var(--brand-900);
  margin-bottom:10px;
}
.next-card p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
}
.next-card .text-link{margin-top:16px;}

/* ============ FAQ ============ */
.faq-section{
  padding:0 0 88px;
}
.faq-list{
  max-width:900px;
  margin:0 auto;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item.is-open{
  border-color:rgba(17,128,108,.35);
  box-shadow:var(--sh-2);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text);
}
.faq-icon{
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--surface-alt);
  display:grid;
  place-items:center;
  font-size:18px;
  line-height:1;
  color:var(--brand-700);
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.faq-item.is-open .faq-icon{
  background:var(--lime);
  transform:rotate(45deg);
  color:var(--brand-900);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s var(--ease);
}
.faq-a-inner{
  padding:0 22px 22px;
  max-width:720px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ============ CTA 表单 ============ */
.cta-section{
  position:relative;
  background:var(--brand-900);
  color:#fff;
  padding:72px 0;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  width:520px;
  height:520px;
  border-radius:50%;
  border:1px solid rgba(201,242,77,.14);
  left:-180px;
  bottom:-260px;
}
.cta-section::after{
  content:"";
  position:absolute;
  width:320px;
  height:320px;
  border-radius:50%;
  border:1px solid rgba(255,107,53,.20);
  right:-80px;
  top:-140px;
}
.cta-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
}
.cta-copy h2{
  font-size:clamp(22px,2.6vw,32px);
  color:#fff;
  margin-bottom:16px;
}
.cta-copy p{
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.78);
  max-width:520px;
}
.cta-points{
  margin-top:26px;
  display:grid;
  gap:12px;
}
.cta-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:rgba(255,255,255,.82);
}
.cta-points li::before{
  content:"";
  flex:0 0 auto;
  width:18px;
  height:18px;
  margin-top:5px;
  border-radius:6px;
  background:rgba(201,242,77,.20);
  border:1px solid rgba(201,242,77,.6);
}
.form-card{
  background:var(--surface);
  border-radius:var(--r-xl);
  padding:30px;
  box-shadow:var(--sh-3);
  color:var(--text);
}
.form-card h3{
  font-size:19px;
  color:var(--brand-900);
  margin-bottom:6px;
}
.form-card .form-hint{
  font-size:13px;
  color:var(--text-2);
  margin-bottom:22px;
}
.field{
  margin-bottom:16px;
}
.field label{
  display:block;
  font-size:13px;
  font-weight:700;
  color:var(--text);
  margin-bottom:7px;
}
.field .req{color:var(--accent-a);margin-left:2px;}
.field input,
.field select,
.field textarea{
  width:100%;
  height:50px;
  padding:0 15px;
  border-radius:var(--r-m);
  border:1px solid var(--line);
  background:var(--surface);
  font-size:15px;
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{
  height:110px;
  padding:13px 15px;
  resize:vertical;
  line-height:1.7;
}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,#4A5A56 50%),linear-gradient(135deg,#4A5A56 50%,transparent 50%);
  background-position:calc(100% - 20px) 22px,calc(100% - 15px) 22px;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(17,128,108,.16);
}
.check-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--text-2);
  margin:6px 0 20px;
}
.check-row input[type="checkbox"]{
  appearance:none;
  -webkit-appearance:none;
  flex:0 0 auto;
  width:18px;
  height:18px;
  border-radius:5px;
  border:1.5px solid #C9C4B6;
  background:var(--surface);
  margin-top:2px;
  position:relative;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.check-row input[type="checkbox"]:checked{
  background:var(--brand-600);
  border-color:var(--brand-600);
}
.check-row input[type="checkbox"]:checked::after{
  content:"";
  position:absolute;
  left:5px;
  top:1px;
  width:5px;
  height:10px;
  border:2px solid #fff;
  border-top:0;
  border-left:0;
  transform:rotate(45deg);
}
.form-tip{
  margin-top:14px;
  font-size:13px;
  color:var(--brand-700);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.78);
  padding:64px 0 0;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,rgba(201,242,77,0),rgba(201,242,77,.7),rgba(201,242,77,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.footer-col p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  padding-bottom:9px;
  position:relative;
}
.footer-col h4::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:26px;
  height:3px;
  border-radius:2px;
  background:var(--lime);
}
.footer-col ul{
  display:grid;
  gap:10px;
}
.footer-col ul a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  display:inline-block;
}
.footer-col ul a:hover{
  color:var(--lime);
  transform:translateX(2px);
}
.footer-qr{
  margin-top:16px;
  width:118px;
  height:118px;
  border-radius:var(--r-m);
  border:1px dashed rgba(201,242,77,.5);
  display:grid;
  place-items:center;
  text-align:center;
  font-size:12px;
  line-height:1.6;
  color:rgba(201,242,77,.85);
  background:rgba(255,255,255,.04);
  padding:10px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.to-top{
  color:rgba(255,255,255,.7);
  font-weight:600;
}
.to-top:hover{color:var(--lime);}

/* ============ 移动吸底 CTA ============ */
.sticky-cta{
  display:none;
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:150;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  box-shadow:0 -6px 20px rgba(8,48,43,.08);
}
.sticky-cta .btn{width:100%;height:46px;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .guide-layout{grid-template-columns:210px minmax(0,1fr);gap:32px;}
  .guide-stream{padding:12px 32px 34px;}
  .process-track{grid-template-columns:repeat(2,1fr);}
  .process-track::before{display:none;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{gap:16px;}
  .nav-actions .status-badge{display:none;}
  .nav-actions .btn-primary{display:none;}
  .guide-layout{grid-template-columns:1fr;}
  .anchor-nav{
    position:static;
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    padding:14px;
  }
  .anchor-nav h2{
    width:100%;
    border-bottom:0;
    padding:0 0 4px;
    margin-bottom:4px;
  }
  .anchor-nav ul{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    width:100%;
  }
  .anchor-nav li a{
    border-left:0;
    border:1px solid var(--line);
    border-radius:999px;
    padding:7px 14px;
    font-size:13px;
    background:var(--surface-alt);
  }
  .anchor-nav li a.is-current{
    border-color:var(--brand-600);
    color:var(--brand-700);
    background:rgba(17,128,108,.10);
  }
  .anchor-cta{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual .shot img{height:300px;}
  .hero-float{left:14px;bottom:-22px;}
  .hero-pill{right:14px;top:14px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:76px;}
  .container{padding:0 18px;}
  .logo-text{font-size:15px;}
  .guide-hero{padding:18px 0 44px;}
  .hero-copy h1{font-size:clamp(26px,7vw,32px);}
  .hero-btns{flex-direction:column;align-items:stretch;}
  .hero-btns .btn{width:100%;}
  .process-section{padding-bottom:56px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px;}
  .process-track{grid-template-columns:1fr;gap:14px;}
  .guide-main{padding-bottom:56px;}
  .guide-stream{padding:8px 20px 24px;border-radius:var(--r-l);}
  .guide-block{padding:32px 0;}
  .guide-block h2{font-size:20px;}
  .key-points li{padding:13px 15px 13px 40px;}
  .key-points li::before{left:15px;top:19px;}
  .metric-strip{grid-template-columns:1fr;gap:0;padding:18px;}
  .metric-cell{padding:14px 8px;}
  .metric-cell + .metric-cell{border-left:0;border-top:1px dashed #D6D1C4;}
  .next-links{grid-template-columns:1fr;}
  .faq-section{padding-bottom:56px;}
  .faq-q{font-size:16px;padding:17px 16px;}
  .faq-a-inner{padding:0 16px 18px;}
  .cta-section{padding:52px 0;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .sticky-cta{display:block;}
  .breadcrumb{padding-top:16px;}
  .breadcrumb .crumb-home{display:none;}
  .breadcrumb .crumb-cat{font-weight:600;color:var(--text);}
  .breadcrumb .crumb-cur{max-width:180px;}
}
@media (max-width:520px){
  .hero-visual .shot img{height:230px;}
  .hero-float{padding:14px 16px;gap:14px;left:10px;bottom:-18px;}
  .hero-float .num{font-size:22px;}
  .inline-figure img{height:180px;}
  .hero-mini{gap:8px;}
  .mini-badge{font-size:12px;padding:6px 11px;}
  .tag{font-size:11px;}
}
@media (prefers-reduced-motion:reduce){
  *{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,.process-track li:hover,.next-card:hover{transform:none !important;}
}

/* roulang page: category2 */
/* ============ 设计令牌 ============ */
:root{
  --brand-900:#08302B;
  --brand-800:#0C4038;
  --brand-700:#0E5A4C;
  --brand-600:#11806C;
  --accent-a:#FF6B35;
  --accent-b:#FFA23A;
  --lime:#C9F24D;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --surface-alt:#EFEDE6;
  --text:#14201D;
  --text-2:#4A5A56;
  --line:#E2DED4;
  --grad-brand:linear-gradient(115deg,#0E5A4C 0%,#11806C 45%,#FF6B35 100%);
  --grad-accent:linear-gradient(115deg,#FF6B35 0%,#FFA23A 100%);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(8,48,43,.06);
  --sh-2:0 10px 30px rgba(8,48,43,.10);
  --sh-3:0 24px 60px rgba(8,48,43,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap-section:88px;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans SC',system-ui,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
h1,h2,h3,h4{margin:0;line-height:1.3;text-align:left}
p{margin:0}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
input,textarea,select{font:inherit;color:inherit}
strong{font-weight:700}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:4px}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--brand-900);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-s) var(--r-s);
  font-size:14px;transition:top .2s var(--ease);
}
.skip-link:focus{top:0}
/* ============ 容器与工具 ============ */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--gap-section) 0}
.section--alt{background:var(--surface-alt)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:-.2px}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--brand-700);background:rgba(17,128,108,.10);
  border-radius:var(--r-s);padding:6px 12px;margin-bottom:18px;
}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:0;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),
             background-position .26s var(--ease),background-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  background-image:var(--grad-accent);
  background-size:180% 100%;background-position:0 0;
  color:#fff;box-shadow:0 6px 18px rgba(255,107,53,.26);
}
.btn-primary:hover{background-position:100% 0;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1)}
.btn-ghost{
  background:transparent;color:var(--brand-700);
  border:1.5px solid var(--brand-600);
}
.btn-ghost:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-loading{opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand-600);
}
.link-arrow::after{content:"→";transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--brand-700)}
.link-arrow:hover::after{transform:translateX(4px)}
/* ============ 品牌细条 + 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);box-shadow:var(--sh-2)}
.brand-bar{height:6px;background:var(--grad-brand)}
.header-inner{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:800;letter-spacing:-.5px;
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.2px;white-space:nowrap}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  position:relative;display:block;padding:9px 14px;border-radius:999px;
  font-size:15px;color:var(--text-2);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.main-nav a:hover{color:var(--brand-700);background:rgba(17,128,108,.08)}
.main-nav a.is-active{color:var(--brand-600);font-weight:700}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--lime);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.status-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 13px;border-radius:999px;
  border:1px solid rgba(201,242,77,.55);
  background:var(--brand-900);color:#E8F7C8;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.status-badge b{color:var(--lime);font-weight:700}
.status-badge .dot{
  width:7px;height:7px;border-radius:50%;background:var(--lime);flex:none;
  box-shadow:0 0 0 3px rgba(201,242,77,.20);
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  font-size:14px;font-weight:600;color:var(--text-2);
}
.nav-toggle:hover{border-color:var(--brand-600);color:var(--brand-700)}
.nav-toggle .bars{display:grid;gap:4px}
.nav-toggle .bars span{display:block;width:16px;height:2px;border-radius:2px;background:currentColor}
/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;top:0;right:0;z-index:120;
  width:min(340px,86vw);height:100%;
  background:#fff;box-shadow:var(--sh-3);
  transform:translateX(102%);
  transition:transform .28s var(--ease);
  padding:22px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px}
.drawer-head span{flex:1}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:20px;line-height:1;color:var(--text-2);
}
.drawer-close:hover{border-color:var(--brand-600);color:var(--brand-700)}
.drawer-nav ul{display:grid;gap:6px}
.drawer-nav a{
  display:block;padding:13px 14px;border-radius:var(--r-s);
  font-size:16px;color:var(--text-2);background:var(--surface-alt);
}
.drawer-nav a.is-active{color:var(--brand-700);font-weight:700;background:rgba(17,128,108,.10)}
.drawer-cta{margin-top:auto}
.drawer-mask{
  position:fixed;inset:0;z-index:110;background:rgba(8,48,43,.45);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
/* ============ 面包屑 ============ */
.breadcrumb{padding:22px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.breadcrumb li::after{content:"/";margin-left:8px;color:#B9B4A6}
.breadcrumb li:last-child::after{display:none}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .current{color:var(--text);font-weight:600;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* ============ 顶部标题带 ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(158deg,#08302B 0%,#0C4038 58%,#0E5A4C 100%);
  padding:52px 0 76px;margin-top:22px;
}
.page-hero::before,.page-hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.page-hero::before{
  width:420px;height:420px;right:-120px;top:-160px;
  border:1px solid rgba(201,242,77,.16);
  box-shadow:0 0 0 42px rgba(201,242,77,.05);
}
.page-hero::after{
  width:300px;height:300px;left:-140px;bottom:-150px;
  border:1px solid rgba(255,107,53,.18);
  box-shadow:0 0 0 36px rgba(255,107,53,.05);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(201,242,77,.55);
  color:var(--lime);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.hero-copy h1{
  margin-top:20px;
  font-size:clamp(28px,3.6vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.4px;
  color:#fff;
}
.hero-copy .hero-sub{
  margin-top:18px;max-width:560px;
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);
}
.mini-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.mini-badges span{
  padding:7px 13px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  font-size:12px;font-weight:600;letter-spacing:.02em;color:rgba(255,255,255,.88);
  font-variant-numeric:tabular-nums;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.42)}
.hero-actions .btn-ghost:hover{background:#fff;color:var(--brand-900);border-color:#fff}
.hero-media{position:relative}
.hero-media img{
  width:100%;height:340px;object-fit:cover;
  border-radius:var(--r-l);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--sh-3);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-l);
  background:linear-gradient(200deg,rgba(8,48,43,.05) 0%,rgba(8,48,43,.42) 100%);
  pointer-events:none;
}
.data-badge{
  position:absolute;right:-12px;bottom:-16px;z-index:3;
  background:#fff;color:var(--brand-900);
  border-radius:var(--r-m);padding:12px 18px;
  box-shadow:var(--sh-2);
  border-left:4px solid var(--lime);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.data-badge b{display:block;font-size:22px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
/* ============ 对比区 ============ */
.compare-grid{
  display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch;
}
.compare-card{
  border-radius:var(--r-xl);padding:30px 30px 22px;
  display:flex;flex-direction:column;
}
.compare-card h3{font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px}
.compare-card .card-note{margin-top:10px;font-size:14px;color:var(--text-2)}
.compare-card--muted{
  background:var(--surface-alt);border:1px solid var(--line);
}
.compare-card--accent{
  background:linear-gradient(#fff,#fff) padding-box,
             var(--grad-brand) border-box;
  border:1.5px solid transparent;
  box-shadow:var(--sh-2);
}
.tick{
  width:24px;height:24px;border-radius:50%;flex:none;
  background:var(--lime);color:var(--brand-900);
  display:grid;place-items:center;font-size:13px;font-weight:800;
}
.compare-list{margin-top:20px}
.compare-list li{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 0;border-bottom:1px dashed var(--line);
  font-size:15.5px;color:var(--text);
}
.compare-list li:last-child{border-bottom:0}
.compare-card--muted .compare-list li{color:var(--text-2)}
.metric{
  flex:none;padding:4px 10px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--text-2);
  font-variant-numeric:tabular-nums;
}
.compare-card--accent .metric{
  background:rgba(17,128,108,.10);border-color:rgba(17,128,108,.22);color:var(--brand-700);
}
/* ============ 清单卡 ============ */
.check-list{display:grid;gap:14px}
.check-item{
  display:grid;grid-template-columns:48px 1fr auto;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:20px 24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.check-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.check-num{
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-900);color:var(--lime);
  display:grid;place-items:center;font-size:15px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:16.5px;font-weight:700}
.check-item p{margin-top:6px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.check-tag{
  padding:5px 12px;border-radius:999px;
  background:var(--surface-alt);border:1px solid var(--line);
  font-size:12px;font-weight:600;color:var(--text-2);white-space:nowrap;
}
/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item.is-open{border-color:rgba(17,128,108,.35);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{
  width:32px;height:32px;border-radius:50%;flex:none;
  background:var(--surface-alt);color:var(--brand-700);
  display:grid;place-items:center;font-size:17px;line-height:1;
  transition:transform .24s var(--ease),background-color .24s var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--lime);color:var(--brand-900);transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s var(--ease);
}
.faq-a p{
  padding:0 22px 22px;max-width:720px;font-size:15.5px;color:var(--text-2);line-height:1.85;
}
/* ============ CTA 表单 ============ */
.cta-section{
  background:linear-gradient(160deg,#08302B 0%,#0C4038 70%,#0E5A4C 100%);
  color:#fff;position:relative;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;width:380px;height:380px;border-radius:50%;
  right:-140px;top:-160px;border:1px solid rgba(201,242,77,.14);
  box-shadow:0 0 0 40px rgba(201,242,77,.04);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.cta-copy h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;color:#fff}
.cta-copy p{margin-top:16px;font-size:15.5px;color:rgba(255,255,255,.76);line-height:1.85}
.cta-points{margin-top:24px;display:grid;gap:10px}
.cta-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:rgba(255,255,255,.82);
}
.cta-points li::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);
  margin-top:9px;flex:none;
}
.form-card{
  background:#fff;color:var(--text);
  border-radius:var(--r-l);padding:28px;box-shadow:var(--sh-3);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:var(--text-2)}
.req{color:#D94A22;margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border-radius:var(--r-m);border:1px solid var(--line);
  background:#fff;padding:0 15px;height:50px;font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:104px;padding:13px 15px;resize:vertical;line-height:1.7}
.field select{
  appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),
                   linear-gradient(135deg,var(--text-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 22px,calc(100% - 15px) 22px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
}
.field input:hover,.field textarea:hover,.field select:hover{border-color:#CFC9BA}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(17,128,108,.16);
}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2)}
.check-line input{
  appearance:none;-webkit-appearance:none;
  width:18px;height:18px;flex:none;margin-top:3px;border-radius:5px;
  border:1px solid #CFC9BA;background:#fff;cursor:pointer;position:relative;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.check-line input:checked{background:var(--brand-600);border-color:var(--brand-600)}
.check-line input:checked::after{
  content:"";position:absolute;left:5px;top:1px;
  width:6px;height:11px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(42deg);
}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:22px}
.form-tip{
  font-size:13.5px;color:var(--brand-700);font-weight:600;
  opacity:0;transform:translateY(4px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.form-tip.is-visible{opacity:1;transform:translateY(0)}
/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--brand-900);color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(201,242,77,0) 0%,rgba(201,242,77,.85) 50%,rgba(201,242,77,0) 100%);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-col h4{
  position:relative;font-size:14px;font-weight:700;color:#fff;
  margin:0 0 16px;padding-bottom:10px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:28px;height:3px;border-radius:2px;background:var(--lime);
}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{
  display:inline-block;font-size:14px;color:rgba(255,255,255,.72);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col ul a:hover{color:var(--lime);transform:translateX(2px)}
.footer-qr{
  margin-top:16px;display:inline-block;
  padding:14px 16px;border-radius:var(--r-s);
  border:1px dashed rgba(255,255,255,.28);
  font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.6);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.58);
}
.to-top{color:rgba(255,255,255,.75);font-size:13px}
.to-top:hover{color:var(--lime)}
/* ============ 移动端吸底条 ============ */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  align-items:center;gap:12px;
}
.sticky-cta .label{font-size:12.5px;color:var(--text-2);line-height:1.5}
.sticky-cta .label b{display:block;color:var(--text);font-size:14px}
.sticky-cta .btn{margin-left:auto;height:44px;padding:0 20px;font-size:14px}
/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--gap-section:76px}
  .compare-grid{grid-template-columns:1fr 1.25fr}
}
@media (max-width:1023px){
  :root{--gap-section:64px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{gap:16px}
  .header-actions .status-badge{display:none}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media img{height:280px}
  .data-badge{right:12px;bottom:12px}
  .compare-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .breadcrumb .current{max-width:180px}
}
@media (max-width:767px){
  :root{--gap-section:56px}
  body{font-size:16px;padding-bottom:76px}
  .container{padding:0 18px}
  .brand-name{font-size:15.5px}
  .logo-mark{width:30px;height:30px;font-size:14px}
  .hero-copy h1{font-size:clamp(26px,7vw,34px)}
  .hero-actions .btn{width:100%}
  .page-hero{padding:40px 0 62px}
  .compare-card{padding:24px 20px 16px}
  .check-item{grid-template-columns:40px 1fr;gap:14px;padding:18px}
  .check-tag{grid-column:2;justify-self:start}
  .check-num{width:36px;height:36px;font-size:14px}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sticky-cta{display:flex}
  .breadcrumb li:first-child{display:none}
  .breadcrumb li:nth-child(2)::before{content:"上一级 / ";color:#B9B4A6}
}
@media (max-width:520px){
  .section-head{margin-bottom:30px}
  .section-head p{font-size:15px}
  .hero-media img{height:220px}
  .data-badge{padding:10px 14px}
  .data-badge b{font-size:18px}
  .mini-badges span{font-size:11.5px;padding:6px 10px}
  .check-item p{font-size:14px}
  .faq-q{font-size:15.5px;padding:17px 16px}
  .faq-a p{padding:0 16px 18px}
  .metric{font-size:11.5px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .btn:hover,.check-item:hover{transform:none!important}
}