/* roulang page: index */
:root{
  --brand:#0E8F7A;
  --brand-2:#13B8A6;
  --brand-3:#7BD8C2;
  --brand-soft:#E8F7F2;
  --brand-ink:#0A5F52;
  --accent:#F5A524;
  --danger:#E85D4A;
  --bg:#F6F8F5;
  --paper:#FFFFFF;
  --ink:#17211E;
  --muted:#5B6B64;
  --line:#DDE5E0;
  --dark:#0B1512;
  --radius:26px;
  --radius-sm:16px;
  --radius-xs:14px;
  --shadow:0 12px 32px rgba(11,21,18,.08);
  --shadow-lg:0 24px 52px rgba(11,21,18,.14);
  --grad:linear-gradient(135deg,#0E8F7A 0%,#13B8A6 55%,#7BD8C2 100%);
  --grad-soft:linear-gradient(140deg,rgba(14,143,122,.10) 0%,rgba(123,216,194,.16) 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:1rem;line-height:1.8;font-weight:400;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(rgba(14,143,122,.05) 1px,transparent 1px);
  background-size:22px 22px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;
}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
h1,h2,h3,h4{font-weight:800;line-height:1.3;letter-spacing:-.01em;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--dark{background:var(--dark);color:#EAF3EF;}
.section--paper{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;background:var(--brand-soft);
  color:var(--brand-ink);font-size:.8125rem;font-weight:600;letter-spacing:.04em;
  border:1px solid rgba(14,143,122,.18);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.6rem,3.5vw,2.4rem);margin:16px 0 14px;}
.section-head p{color:var(--muted);font-size:1rem;}
.section--dark .section-head p{color:rgba(234,243,239,.72);}
.section--dark .eyebrow{background:rgba(123,216,194,.14);color:var(--brand-3);border-color:rgba(123,216,194,.28);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;font-size:.9375rem;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(14,143,122,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(14,143,122,.36);color:#fff;}
.btn-ghost{background:transparent;border-color:rgba(14,143,122,.34);color:var(--brand-ink);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-light{background:rgba(255,255,255,.10);border-color:rgba(123,216,194,.34);color:#EAF3EF;}
.btn-light:hover{background:rgba(123,216,194,.18);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,248,245,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.0625rem;letter-spacing:-.01em;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:.875rem;font-weight:800;
  box-shadow:0 8px 18px rgba(14,143,122,.28);flex:none;
}
.brand-text{color:var(--ink);}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links > a{
  position:relative;font-size:.90625rem;font-weight:500;color:var(--muted);padding:6px 0;
}
.nav-links > a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;border-radius:2px;
  background:var(--grad);transition:right .3s var(--ease);
}
.nav-links > a:hover{color:var(--ink);}
.nav-links > a:hover::after{right:0;}
.nav-links > a.is-active{color:var(--brand-ink);font-weight:700;}
.nav-links > a.is-active::after{right:0;}
.nav-cta{
  margin-left:6px;padding:11px 22px !important;border-radius:999px;
  background:var(--grad);color:#fff !important;font-weight:600;
  box-shadow:0 8px 20px rgba(14,143,122,.26);
}
.nav-cta::after{display:none;}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(14,143,122,.34);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;background:#fff;
  border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer;
  color:var(--ink);font-size:1rem;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:88px 0 96px;overflow:hidden;
  background:linear-gradient(180deg,rgba(232,247,242,.75) 0%,rgba(246,248,245,0) 78%);
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(19,184,166,.20) 0%,rgba(19,184,166,0) 68%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;align-items:center;}
.hero h1{font-size:clamp(2.2rem,5vw,4rem);line-height:1.16;margin:20px 0 20px;}
.hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:1.0625rem;color:var(--muted);max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;}
.hero-points span{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;color:var(--muted);}
.hero-points i{color:var(--brand);font-size:.75rem;}
.hero-visual{position:relative;margin-top:20px;}
.hero-visual img{
  width:100%;height:430px;object-fit:cover;border-radius:var(--radius);
  box-shadow:var(--shadow-lg);border:1px solid rgba(14,143,122,.14);
}
.badge-float{
  position:absolute;display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:18px;background:#fff;box-shadow:var(--shadow);
  border:1px solid rgba(14,143,122,.16);font-size:.8125rem;
}
.badge-float strong{display:block;font-size:1.0625rem;font-weight:800;color:var(--brand-ink);line-height:1.2;}
.badge-float span{color:var(--muted);font-size:.75rem;}
.badge-float i{color:var(--brand);font-size:1rem;}
.badge-float.b1{left:-18px;top:38px;transform:rotate(-2deg);}
.badge-float.b2{right:-14px;bottom:44px;transform:rotate(1.6deg);}

/* ---------- 指标看板 ---------- */
.stat-card{
  background:var(--paper);border:1px solid rgba(14,143,122,.12);border-radius:var(--radius);
  padding:30px 26px;height:100%;box-shadow:var(--shadow);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(14,143,122,.3);}
.stat-num{font-size:clamp(2rem,4vw,2.6rem);font-weight:800;letter-spacing:-.02em;color:var(--brand-ink);}
.stat-num small{font-size:1rem;font-weight:700;margin-left:2px;}
.stat-label{margin-top:8px;font-size:.9375rem;color:var(--ink);font-weight:600;}
.stat-foot{margin-top:14px;display:flex;align-items:center;gap:8px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-ink);font-size:.75rem;font-weight:600;
}
.chip-warn{background:rgba(245,165,36,.16);color:#9A6408;}
.chip-dark{background:rgba(123,216,194,.16);color:var(--brand-3);}
.chip-dot::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;}

/* ---------- 服务矩阵 ---------- */
.bento{display:grid;gap:24px;}
.bento-row{display:grid;gap:24px;}
.bento-row.r1{grid-template-columns:5fr 7fr;}
.bento-row.r2{grid-template-columns:repeat(3,1fr);}
.bento-card{
  position:relative;background:var(--paper);border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius);padding:32px;overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(14,143,122,.3);}
.bento-card h3{font-size:1.25rem;margin-bottom:10px;}
.bento-card p{color:var(--muted);font-size:.9375rem;margin-bottom:20px;}
.bento-icon{
  width:48px;height:48px;border-radius:16px;background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:1.0625rem;
  margin-bottom:20px;border:1px solid rgba(14,143,122,.16);
}
.bento-link{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:600;color:var(--brand-ink);}
.bento-link i{transition:transform .25s var(--ease);font-size:.75rem;}
.bento-card:hover .bento-link i{transform:translateX(5px);}
.bento-card.is-feature{background:linear-gradient(150deg,#0E8F7A 0%,#13B8A6 62%,#4ECBB6 100%);color:#fff;border-color:transparent;}
.bento-card.is-feature h3,.bento-card.is-feature p{color:#fff;}
.bento-card.is-feature p{color:rgba(255,255,255,.86);}
.bento-card.is-feature .bento-icon{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.28);}
.bento-card.is-feature .bento-link{color:#fff;}
.bento-card.has-img{padding:0;}
.bento-card.has-img .bento-body{padding:32px;}
.bento-card.has-img img{width:100%;height:190px;object-fit:cover;border-radius:0;}
.bento-card .img-top{height:200px;overflow:hidden;}
.bento-card .img-top img{height:200px;border-radius:0;transition:transform .5s var(--ease);}
.bento-card:hover .img-top img{transform:scale(1.04);}

/* ---------- 最新信息 ---------- */
.log-panel{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;box-shadow:var(--shadow);
}
.log-card{
  display:flex;align-items:flex-start;gap:18px;padding:22px 20px;border-radius:18px;
  border-bottom:1px dashed var(--line);transition:background .25s var(--ease),transform .25s var(--ease);
}
.log-card:last-child{border-bottom:0;}
.log-card:hover{background:var(--brand-soft);transform:translateX(3px);}
.log-index{
  flex:none;width:44px;height:44px;border-radius:14px;background:var(--grad-soft);
  color:var(--brand-ink);font-weight:800;font-size:.875rem;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.log-body{flex:1;min-width:0;}
.log-title{display:block;font-size:1.0625rem;font-weight:700;line-height:1.5;margin-bottom:6px;}
.log-sum{
  display:block;color:var(--muted);font-size:.875rem;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.log-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:12px;font-size:.8125rem;color:var(--muted);}
.log-arrow{flex:none;color:var(--brand);font-size:.875rem;padding-top:6px;transition:transform .25s var(--ease);}
.log-card:hover .log-arrow{transform:translateX(5px);}
.log-empty{
  padding:56px 24px;text-align:center;color:var(--muted);font-size:.9375rem;
  border:1px dashed var(--line);border-radius:18px;background:rgba(246,248,245,.6);
}
.side-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);margin-bottom:24px;
}
.side-card h3{font-size:1.0625rem;margin-bottom:8px;}
.side-card > p{color:var(--muted);font-size:.875rem;margin-bottom:18px;}
.side-list li + li{margin-top:10px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;border-radius:14px;background:var(--bg);font-size:.875rem;font-weight:600;
  border:1px solid transparent;transition:all .25s var(--ease);
}
.side-list a:hover{background:var(--brand-soft);border-color:rgba(14,143,122,.24);color:var(--brand-ink);}
.side-list i{font-size:.75rem;color:var(--brand);}
.side-note{background:var(--dark);color:rgba(234,243,239,.82);border-color:transparent;}
.side-note h3{color:#fff;}
.side-note p{color:rgba(234,243,239,.72);margin-bottom:0;}

/* ---------- 结果对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 64px 1fr;gap:0;align-items:stretch;}
.compare-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;box-shadow:var(--shadow);height:100%;
}
.compare-card.after{border-color:rgba(14,143,122,.28);background:linear-gradient(180deg,rgba(232,247,242,.6),#fff 42%);}
.compare-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:.8125rem;font-weight:700;margin-bottom:20px;
}
.compare-tag.before{background:rgba(232,93,74,.12);color:#B8402F;}
.compare-tag.after{background:var(--brand-soft);color:var(--brand-ink);}
.compare-card h3{font-size:1.1875rem;margin-bottom:18px;}
.compare-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:.9375rem;}
.compare-list li:last-child{border-bottom:0;}
.compare-list i{margin-top:6px;font-size:.8125rem;flex:none;}
.compare-list .bi-x{color:var(--danger);}
.compare-list .bi-c{color:var(--brand);}
.compare-mid{display:flex;align-items:center;justify-content:center;}
.compare-mid span{
  width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 26px rgba(14,143,122,.3);
}
.compare-figure{margin-top:22px;border-radius:18px;overflow:hidden;border:1px solid var(--line);}
.compare-figure img{width:100%;height:170px;object-fit:cover;}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:20px;margin-bottom:14px;
  overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item[open]{border-color:rgba(14,143,122,.3);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;font-weight:700;font-size:1rem;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  flex:none;width:30px;height:30px;border-radius:50%;background:var(--brand-soft);color:var(--brand-ink);
  display:flex;align-items:center;justify-content:center;font-size:.8125rem;
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-answer{padding:0 26px 24px;color:var(--muted);font-size:.9375rem;line-height:1.85;}

/* ---------- 转化表单 ---------- */
.cta-section{position:relative;overflow:hidden;}
.cta-section::before{
  content:"";position:absolute;left:-120px;bottom:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(19,184,166,.22) 0%,rgba(19,184,166,0) 70%);pointer-events:none;
}
.cta-grid{position:relative;z-index:2;align-items:flex-start;}
.form-card{
  background:var(--paper);border:1px solid rgba(14,143,122,.14);border-radius:var(--radius);
  padding:38px;box-shadow:var(--shadow-lg);
}
.form-card h3{font-size:1.375rem;margin-bottom:10px;}
.form-card > p{color:var(--muted);font-size:.9375rem;margin-bottom:26px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.875rem;font-weight:600;margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border-radius:var(--radius-xs);border:1px solid var(--line);
  background:var(--bg);font-size:.9375rem;line-height:1.6;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.field textarea{min-height:118px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(14,143,122,.12);
}
.form-tip{font-size:.8125rem;color:var(--muted);margin-top:14px;line-height:1.7;}
.form-msg{
  display:none;margin-top:16px;padding:13px 16px;border-radius:var(--radius-xs);
  background:var(--brand-soft);color:var(--brand-ink);font-size:.875rem;font-weight:600;
}
.form-msg.is-show{display:block;}
.trust-card{
  background:var(--dark);color:rgba(234,243,239,.78);border-radius:var(--radius);
  padding:32px;margin-bottom:24px;
}
.trust-card h3{color:#fff;font-size:1.125rem;margin-bottom:16px;}
.trust-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(123,216,194,.16);font-size:.875rem;}
.trust-list li:last-child{border-bottom:0;}
.trust-list i{color:var(--brand-3);margin-top:6px;font-size:.75rem;flex:none;}
.trust-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(234,243,239,.72);padding:72px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;font-weight:800;color:#fff;font-size:1.0625rem;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.site-footer p{font-size:.875rem;line-height:1.85;}
.footer-title{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:18px;}
.footer-links li + li{margin-top:11px;}
.footer-links a{font-size:.875rem;color:rgba(234,243,239,.7);}
.footer-links a:hover{color:var(--brand-3);}
.footer-contact li{display:flex;gap:10px;font-size:.875rem;margin-bottom:12px;}
.footer-contact i{color:var(--brand-3);margin-top:6px;font-size:.8125rem;flex:none;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(123,216,194,.16);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:.8125rem;
  color:rgba(234,243,239,.55);
}
.footer-bottom a{color:rgba(234,243,239,.7);}
.footer-bottom a:hover{color:var(--brand-3);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;left:0;right:0;top:78px;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);
    padding:12px 24px 24px;display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links > a{padding:15px 0;border-bottom:1px solid var(--line);font-size:.9375rem;}
  .nav-links > a::after{display:none;}
  .nav-links > a.is-active{color:var(--brand-ink);}
  .nav-cta{margin:18px 0 0;text-align:center;justify-content:center;}
  .nav-wrap{position:relative;}
  .hero{padding:56px 0 68px;}
  .hero-visual img{height:340px;}
  .badge-float.b1{left:8px;top:16px;}
  .badge-float.b2{right:8px;bottom:16px;}
  .bento-row.r1,.bento-row.r2{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;gap:20px;}
  .compare-mid span{transform:rotate(90deg);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:72px 0;}
}
@media screen and (max-width:640px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .hero h1{font-size:clamp(1.9rem,7vw,2.4rem);}
  .hero-actions .btn{width:100%;}
  .hero-visual img{height:260px;}
  .badge-float{padding:10px 14px;font-size:.75rem;}
  .badge-float.b1{left:6px;top:10px;}
  .badge-float.b2{right:6px;bottom:10px;}
  .stat-card{padding:24px 20px;}
  .bento-card,.compare-card,.form-card,.side-card{padding:24px;}
  .faq-item summary{padding:18px 20px;font-size:.9375rem;}
  .faq-answer{padding:0 20px 20px;}
  .log-card{padding:18px 14px;gap:14px;}
  .log-index{width:38px;height:38px;font-size:.8125rem;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
}

/* roulang page: category1 */
:root{
  --brand:#0E8F7A;
  --brand-2:#13B8A6;
  --brand-3:#7BD8C2;
  --accent:#F5A524;
  --alert:#E85D4A;
  --bg:#F6F8F5;
  --ink:#17211E;
  --muted:#5B6B64;
  --line:#DDE5E0;
  --dark:#0B1512;
  --card:#FFFFFF;
  --tint:#E8F7F2;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow:0 12px 32px rgba(11,21,18,.08);
  --shadow-lg:0 22px 52px rgba(11,21,18,.14);
  --grad:linear-gradient(135deg,#0E8F7A 0%,#13B8A6 52%,#7BD8C2 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,143,122,.10) 0%,rgba(19,184,166,.08) 55%,rgba(123,216,194,.12) 100%);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(19,184,166,.55);outline-offset:3px;border-radius:6px;}

.grid-container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,252,250,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  min-height:76px;gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);font-weight:800;}
.brand:hover{color:var(--ink);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:13px;
  background:var(--grad);color:#fff;font-size:.82rem;font-weight:800;letter-spacing:.06em;
  box-shadow:0 8px 20px rgba(14,143,122,.28);
}
.brand-text{font-size:1.06rem;letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links > a{
  position:relative;
  color:var(--muted);font-size:.93rem;font-weight:600;
  padding:6px 0;white-space:nowrap;
}
.nav-links > a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-links > a:hover{color:var(--ink);}
.nav-links > a:hover::after{transform:scaleX(1);}
.nav-links > a.is-active{color:var(--brand);}
.nav-links > a.is-active::after{transform:scaleX(1);}
.nav-links > a.is-active::before{
  content:"";position:absolute;left:-13px;top:50%;width:6px;height:6px;border-radius:50%;
  background:var(--brand);transform:translateY(-50%);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;color:#fff !important;
  background:var(--grad);
  box-shadow:0 10px 24px rgba(14,143,122,.30);
  font-size:.9rem;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease;
}
.nav-cta::after{display:none;}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,143,122,.36);color:#fff !important;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:13px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:1rem;cursor:pointer;transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:rgba(14,143,122,.45);color:var(--brand);}

/* ---------- 通用组件 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--dark{background:var(--dark);color:#E6F1ED;}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:var(--tint);color:var(--brand);
  font-size:.8rem;font-weight:700;letter-spacing:.05em;margin-bottom:18px;
}
.eyebrow i{font-size:.7rem;}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem);}
h2{font-size:clamp(1.55rem,3.2vw,2.3rem);}
h3{font-size:1.2rem;}
.section-head p{margin-top:16px;color:var(--muted);font-size:1.02rem;}
.lead{color:var(--muted);font-size:1.06rem;line-height:1.85;}

.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;
  background:var(--tint);color:var(--brand);
  font-size:.78rem;font-weight:700;white-space:nowrap;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;}
.badge--accent{background:rgba(245,165,36,.14);color:#B9760A;}
.badge--alert{background:rgba(232,93,74,.12);color:#C4442F;}
.badge--dark{background:rgba(255,255,255,.10);color:#8FE3D2;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;border:0;cursor:pointer;
  font-size:.96rem;font-weight:700;line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 12px 28px rgba(14,143,122,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(14,143,122,.38);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(14,143,122,.28);}
.btn-ghost{
  background:transparent;color:var(--ink);border:1px solid var(--line);
}
.btn-ghost:hover{background:var(--tint);border-color:rgba(14,143,122,.38);color:var(--brand);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 12px 28px rgba(0,0,0,.16);}
.btn-light:hover{transform:translateY(-2px);color:var(--brand);}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

.card{
  background:var(--card);border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius-xl);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(14,143,122,.30);}
.card-body{padding:30px;}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:84px 0 88px;
  background:var(--grad-soft);
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(19,184,166,.22),rgba(19,184,166,0) 70%);
}
.page-hero .grid-x{align-items:center;}
.crumb{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:var(--muted);font-size:.84rem;margin-bottom:20px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{opacity:.5;}
.page-hero h1{margin-bottom:20px;}
.page-hero .lead{max-width:640px;}
.hero-actions{margin-top:32px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;height:400px;object-fit:cover;border-radius:var(--radius-xl);
  box-shadow:var(--shadow-lg);border:1px solid rgba(14,143,122,.14);
}
.float-badge{
  position:absolute;display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;background:#fff;
  box-shadow:var(--shadow);border:1px solid rgba(14,143,122,.14);
  font-size:.82rem;font-weight:700;color:var(--ink);white-space:nowrap;
}
.float-badge i{color:var(--brand);}
.float-badge--one{left:-14px;bottom:34px;}
.float-badge--two{right:-10px;top:30px;}
.hero-note{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 指标小卡 ---------- */
.metric-card{
  padding:28px;height:100%;
  background:#fff;border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(14,143,122,.30);}
.metric-num{font-size:2.2rem;font-weight:800;line-height:1;margin:16px 0 8px;color:var(--brand);}
.metric-label{font-size:.9rem;color:var(--muted);}
.metric-foot{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:.8rem;color:var(--muted);}

/* ---------- Bento 内容卡 ---------- */
.bento-card{overflow:hidden;height:100%;display:flex;flex-direction:column;}
.bento-card img{width:100%;height:210px;object-fit:cover;border-radius:0;border-bottom:1px solid rgba(14,143,122,.10);}
.bento-card .card-body{flex:1;display:flex;flex-direction:column;gap:12px;}
.bento-card h3{font-size:1.14rem;}
.bento-card p{color:var(--muted);font-size:.93rem;}
.card-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:.88rem;font-weight:700;color:var(--brand);
}
.card-link i{transition:transform .2s ease;}
.card-link:hover i{transform:translateX(4px);}
.bento-card--wide{flex-direction:row;}
.bento-card--wide img{width:44%;height:auto;min-height:260px;border-bottom:0;border-right:1px solid rgba(14,143,122,.10);}
.bento-card--wide .card-body{padding:34px;justify-content:center;}

/* ---------- 核对维度 ---------- */
.check-panel{
  background:#fff;border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius-xl);box-shadow:var(--shadow);padding:34px;
}
.check-item{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line);
}
.check-item:last-child{border-bottom:0;padding-bottom:0;}
.check-item:first-child{padding-top:0;}
.check-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--tint);color:var(--brand);font-size:.95rem;
}
.check-item h3{font-size:1rem;margin-bottom:6px;}
.check-item p{font-size:.9rem;color:var(--muted);}
.aside-visual img{width:100%;height:300px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow);}
.aside-note{
  margin-top:22px;padding:22px 24px;border-radius:var(--radius-lg);
  background:var(--dark);color:#CBE7DF;
}
.aside-note h3{color:#fff;font-size:1rem;margin-bottom:10px;}
.aside-note p{font-size:.88rem;color:#9FBFB6;}
.aside-note .badge{margin-top:14px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:0;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:1rem;font-weight:700;color:var(--ink);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q i{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--tint);color:var(--brand);font-size:.78rem;
  transition:transform .3s ease,background .3s ease;
}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-q i{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 46px 24px 4px;color:var(--muted);font-size:.94rem;}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);padding:52px;
  background:var(--grad);color:#fff;
  box-shadow:0 26px 60px rgba(14,143,122,.32);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-card h2{color:#fff;margin-bottom:18px;position:relative;z-index:1;}
.cta-card p{color:rgba(255,255,255,.92);max-width:640px;position:relative;z-index:1;}
.cta-card .btn-row{margin-top:30px;position:relative;z-index:1;}
.cta-points{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}
.cta-points span{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.18);
  font-size:.82rem;font-weight:600;
}
.back-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px;}
.back-row a{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 20px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:.86rem;font-weight:600;color:var(--muted);
}
.back-row a:hover{color:var(--brand);border-color:rgba(14,143,122,.38);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9D2CA;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:1.06rem;margin-bottom:18px;}
.site-footer p{font-size:.88rem;line-height:1.85;color:#8FA9A1;max-width:340px;}
.footer-title{color:#fff;font-weight:700;font-size:.95rem;margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{color:#9FBFB6;font-size:.88rem;}
.footer-links a:hover{color:#7BD8C2;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:14px;font-size:.86rem;color:#9FBFB6;}
.footer-contact i{color:#7BD8C2;margin-top:5px;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.82rem;color:#7E968E;
}
.footer-bottom a{color:#7BD8C2;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
}
@media screen and (max-width:1023px){
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 22px 40px rgba(11,21,18,.12);
    padding:10px 24px 22px;display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links > a{padding:15px 0;border-bottom:1px solid var(--line);font-size:.98rem;}
  .nav-links > a::after{display:none;}
  .nav-links > a.is-active::before{display:none;}
  .nav-links > a.is-active{color:var(--brand);}
  .nav-cta{margin-top:16px;justify-content:center;border-bottom:0 !important;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .section{padding:70px 0;}
  .section--tight{padding:56px 0;}
  .hero-visual img{height:330px;margin-top:36px;}
  .float-badge--one{left:10px;bottom:16px;}
  .float-badge--two{right:10px;top:14px;}
  .bento-card--wide{flex-direction:column;}
  .bento-card--wide img{width:100%;height:200px;min-height:0;border-right:0;border-bottom:1px solid rgba(14,143,122,.10);}
  .cta-card{padding:38px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:640px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .nav-wrap{min-height:68px;}
  .brand-text{font-size:.98rem;}
  .page-hero{padding:56px 0 60px;}
  .hero-visual img{height:240px;}
  .float-badge{font-size:.75rem;padding:9px 14px;}
  .float-badge--two{right:0;top:8px;}
  .section{padding:52px 0;}
  .card-body{padding:24px;}
  .check-panel{padding:24px;}
  .faq-q{font-size:.96rem;padding:18px 2px;}
  .faq-a p{padding:0 10px 20px 2px;}
  .cta-card{border-radius:var(--radius-lg);}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer p{max-width:none;}
  .btn{width:100%;}
  .btn-row{width:100%;}
}

/* roulang page: article */
:root{
  --brand:#0E8F7A;
  --brand-2:#13B8A6;
  --brand-3:#7BD8C2;
  --accent:#F5A524;
  --alert:#E85D4A;
  --bg:#F6F8F5;
  --ink:#0B1512;
  --text:#17211E;
  --muted:#5B6B64;
  --line:#DDE5E0;
  --card:#FFFFFF;
  --soft:#E8F7F2;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --pill:999px;
  --shadow:0 12px 32px rgba(11,21,18,.08);
  --shadow-hover:0 20px 46px rgba(11,21,18,.15);
  --grad:linear-gradient(120deg,#0E8F7A 0%,#13B8A6 58%,#7BD8C2 100%);
  --grad-soft:linear-gradient(140deg,rgba(14,143,122,.10) 0%,rgba(123,216,194,.16) 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:1rem}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,143,122,.45);outline-offset:3px;border-radius:6px}
.grid-container{max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,248,245,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:78px;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:13px;
  background:var(--grad);color:#fff;
  font-size:.82rem;font-weight:800;letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(14,143,122,.28);
}
.brand-text{font-size:1.06rem;font-weight:800;color:var(--ink);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{
  position:relative;
  font-size:.94rem;color:var(--muted);font-weight:500;
  padding:6px 0;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a.is-active{color:var(--ink);font-weight:700}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;
  height:2px;border-radius:2px;background:var(--grad);
}
.nav-links a.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--pill);
  background:var(--grad);color:#fff;font-weight:600;font-size:.92rem;
  box-shadow:0 10px 22px rgba(14,143,122,.26);
}
.nav-links a.nav-cta::after{display:none}
.nav-links a.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,143,122,.32);color:#fff}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:1rem;
}

/* 文章头部 */
.article-hero{
  position:relative;
  padding:54px 0 62px;
  color:#fff;
  background-image:
    linear-gradient(115deg,rgba(11,21,18,.94) 0%,rgba(11,21,18,.82) 46%,rgba(14,143,122,.72) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-radius:0 0 36px 36px;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:auto -80px -120px auto;
  width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(123,216,194,.35),transparent 68%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:.84rem;color:rgba(255,255,255,.66);margin-bottom:26px;
}
.breadcrumb a{color:rgba(255,255,255,.8);border-bottom:1px solid rgba(255,255,255,.25);padding-bottom:2px}
.breadcrumb a:hover{color:#fff;border-color:#fff}
.breadcrumb i{font-size:.66rem;opacity:.6}
.breadcrumb span{color:rgba(255,255,255,.58)}
.cat-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--pill);
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.22);
  color:#CFF3EA;font-size:.8rem;font-weight:600;letter-spacing:.04em;
  margin-bottom:20px;
}
.cat-badge::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--brand-3);box-shadow:0 0 0 4px rgba(123,216,194,.2);
}
.hero-title{
  font-size:clamp(1.85rem,4vw,3.05rem);
  font-weight:800;line-height:1.28;color:#fff;
  max-width:900px;letter-spacing:-.02em;
}
.meta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--pill);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  font-size:.82rem;color:rgba(255,255,255,.85);
}
.meta-pill i{color:var(--brand-3);font-size:.78rem}

/* 主体区 */
.article-main{padding:64px 0 24px}
.article-card{
  background:var(--card);
  border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
  padding:44px 46px 40px;
}
.article-body{
  max-width:760px;
  font-size:1.02rem;
  line-height:1.92;
  color:var(--text);
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  font-size:clamp(1.35rem,2.4vw,1.7rem);
  font-weight:800;
  margin:2.2em 0 .85em;
  padding-left:16px;
  border-left:5px solid var(--brand);
  border-radius:3px;
  line-height:1.45;
  scroll-margin-top:110px;
}
.article-body h3{
  font-size:1.2rem;font-weight:700;color:var(--ink);
  margin:1.8em 0 .6em;scroll-margin-top:110px;
}
.article-body h3::before{
  content:"";display:inline-block;width:8px;height:8px;border-radius:2px;
  background:var(--brand-2);margin-right:10px;vertical-align:middle;
}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:1.35em}
.article-body ul li{list-style:disc;margin:.55em 0}
.article-body ol li{list-style:decimal;margin:.55em 0}
.article-body li::marker{color:var(--brand)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(14,143,122,.35)}
.article-body a:hover{border-color:var(--brand)}
.article-body img{
  width:100%;height:auto;border-radius:var(--radius-md);
  margin:1.7em 0;box-shadow:0 10px 26px rgba(11,21,18,.1);
}
.article-body blockquote{
  margin:1.7em 0;padding:20px 24px;
  background:var(--soft);
  border-left:4px solid var(--brand);
  border-radius:var(--radius-sm);
  color:#0B4C41;font-size:.98rem;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body hr{border:none;height:1px;background:var(--line);margin:2.4em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:.94rem}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:12px 14px;text-align:left;
}
.article-body th{background:var(--soft);color:#0B4C41;font-weight:700}
.article-body code{
  background:var(--soft);color:#0B4C41;padding:2px 7px;border-radius:6px;font-size:.9em;
}
.empty-state{
  padding:56px 24px;text-align:center;
  background:var(--grad-soft);
  border:1px dashed rgba(14,143,122,.3);
  border-radius:var(--radius-lg);
}
.empty-state i{font-size:2rem;color:var(--brand);margin-bottom:16px}
.empty-state h2{font-size:1.3rem;margin-bottom:10px;border:none;padding:0}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* 侧栏 */
.article-side{position:sticky;top:104px}
.side-card{
  background:var(--card);
  border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:26px 24px;
  margin-bottom:22px;
}
.side-title{
  display:flex;align-items:center;gap:10px;
  font-size:1.02rem;font-weight:800;color:var(--ink);
  padding-bottom:14px;margin-bottom:16px;
  border-bottom:1px solid var(--line);
}
.side-title i{color:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;font-size:.9rem;color:var(--muted);
  padding:9px 12px;border-radius:10px;line-height:1.55;
}
.toc-list a:hover{background:var(--soft);color:var(--brand)}
.side-links{display:flex;flex-direction:column;gap:6px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:.92rem;color:var(--text);
  padding:12px 14px;border-radius:12px;
  border:1px solid var(--line);
}
.side-links a:hover{border-color:rgba(14,143,122,.4);background:var(--soft);color:var(--brand);transform:translateX(2px)}
.side-links a i{font-size:.72rem;color:var(--brand);opacity:.7}
.side-note{
  background:var(--ink);color:#D9E6E1;border-color:transparent;
}
.side-note .side-title{color:#fff;border-color:rgba(255,255,255,.14)}
.side-note p{font-size:.88rem;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:18px}
.side-cover{border-radius:var(--radius-sm);margin-bottom:18px;border:1px solid rgba(255,255,255,.1)}

/* 通用板块 */
.section{padding:72px 0}
.section-head{max-width:720px;margin-bottom:42px}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:14px;
}
.section-label::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand)}
.section-title{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:800;margin-bottom:14px}
.section-sub{color:var(--muted);font-size:1rem;line-height:1.85}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:var(--pill);
  font-size:.94rem;font-weight:600;border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 12px 26px rgba(14,143,122,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(14,143,122,.34);color:#fff}
.btn-ghost{border-color:var(--line);color:var(--text);background:#fff}
.btn-ghost:hover{border-color:rgba(14,143,122,.45);background:var(--soft);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 12px 26px rgba(0,0,0,.16)}
.btn-light:hover{transform:translateY(-2px);color:var(--brand);box-shadow:0 18px 34px rgba(0,0,0,.22)}

/* 分类卡片 */
.cat-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.cat-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius-xl);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(14,143,122,.32)}
.cat-card img{width:100%;height:186px;object-fit:cover}
.cat-card-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.cat-card-body h3{font-size:1.14rem;font-weight:800}
.cat-card-body p{font-size:.93rem;color:var(--muted);line-height:1.82;flex:1}
.card-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9rem;font-weight:600;color:var(--brand);
}
.card-link i{transition:transform .22s ease}
.card-card:hover .card-link i,.cat-card:hover .card-link i{transform:translateX(4px)}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;border-radius:var(--pill);
  background:var(--soft);color:var(--brand);
  font-size:.78rem;font-weight:700;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* FAQ */
.faq-list{
  background:var(--card);
  border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
  padding:10px 30px;
  max-width:900px;
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:none;text-align:left;
  padding:24px 0;font-size:1.02rem;font-weight:700;color:var(--ink);
  line-height:1.6;
}
.faq-q i{
  flex:none;color:var(--brand);font-size:.86rem;
  transition:transform .3s ease;
}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s ease;
}
.faq-a-inner{padding:0 0 24px;font-size:.95rem;color:var(--muted);line-height:1.9;max-width:760px}

/* CTA */
.cta-panel{
  position:relative;overflow:hidden;
  background-image:
    linear-gradient(120deg,rgba(11,21,18,.95) 0%,rgba(14,143,122,.86) 100%),
    url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  border-radius:36px;
  padding:64px 56px;
  color:#fff;
  display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:center;
}
.cta-panel h2{color:#fff;font-size:clamp(1.5rem,2.8vw,2.1rem);margin-bottom:16px}
.cta-panel p{color:rgba(255,255,255,.78);font-size:.98rem;line-height:1.88;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-side{display:flex;flex-direction:column;gap:14px}
.cta-stat{
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-md);
  padding:16px 18px;
}
.cta-stat i{color:var(--brand-3);font-size:1.05rem}
.cta-stat strong{display:block;font-size:1.02rem;font-weight:700}
.cta-stat span{font-size:.82rem;color:rgba(255,255,255,.68)}

/* 页脚 */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.72);
  margin-top:88px;padding:66px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px}
.footer-brand span:last-child{color:#fff;font-weight:700;font-size:1rem}
.site-footer p{font-size:.9rem;line-height:1.9;color:rgba(255,255,255,.6);max-width:340px}
.footer-title{
  color:#fff;font-size:.94rem;font-weight:700;margin-bottom:18px;
  padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:.9rem;color:rgba(255,255,255,.68)}
.footer-links a:hover{color:var(--brand-3)}
.footer-contact li{display:flex;gap:11px;font-size:.88rem;color:rgba(255,255,255,.66);line-height:1.7}
.footer-contact i{color:var(--brand-3);margin-top:5px;font-size:.82rem}
.footer-bottom{
  margin-top:52px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.84rem;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.66);border-bottom:1px solid rgba(255,255,255,.2)}
.footer-bottom a:hover{color:var(--brand-3)}

/* 响应式 */
@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;
    width:min(78vw,330px);
    background:#fff;
    flex-direction:column;align-items:stretch;
    gap:0;padding:96px 26px 32px;
    box-shadow:-24px 0 60px rgba(11,21,18,.18);
    transform:translateX(102%);
    transition:transform .34s cubic-bezier(.4,0,.2,1);
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{padding:15px 0;font-size:1rem;border-bottom:1px solid var(--line)}
  .nav-links a.is-active::after{display:none}
  .nav-links a.nav-cta{margin-top:22px;border-bottom:none;justify-content:center;padding:14px 22px}
  .article-hero{padding:40px 0 48px;border-radius:0 0 26px 26px}
  .article-card{padding:32px 26px}
  .article-side{position:static;margin-top:34px}
  .cat-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;padding:46px 30px;border-radius:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .section{padding:56px 0}
}
@media (max-width:640px){
  .grid-container{padding-left:18px;padding-right:18px}
  .nav-wrap{height:68px}
  .brand-text{font-size:.98rem}
  .article-hero{padding:32px 0 40px}
  .hero-title{font-size:1.62rem}
  .meta-pill{font-size:.76rem;padding:6px 13px}
  .article-main{padding:40px 0 16px}
  .article-card{padding:26px 20px;border-radius:var(--radius-lg)}
  .article-body{font-size:.98rem;line-height:1.88}
  .cat-cards{grid-template-columns:1fr}
  .faq-list{padding:6px 20px}
  .faq-q{font-size:.96rem;padding:20px 0}
  .cta-panel{padding:36px 22px;border-radius:24px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
  .section{padding:48px 0}
}

/* roulang page: category2 */
:root{
  --brand:#0E8F7A;
  --brand-2:#13B8A6;
  --brand-3:#7BD8C2;
  --accent:#F5A524;
  --alert:#E85D4A;
  --bg:#F6F8F5;
  --ink:#17211E;
  --muted:#5B6B64;
  --line:#DDE5E0;
  --dark:#0B1512;
  --card:#FFFFFF;
  --radius-lg:28px;
  --radius-md:22px;
  --radius-sm:14px;
  --shadow:0 12px 32px rgba(11,21,18,.08);
  --shadow-hover:0 18px 42px rgba(11,21,18,.14);
  --grad:linear-gradient(120deg,#0E8F7A 0%,#13B8A6 55%,#7BD8C2 100%);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:1rem;color:var(--ink);}
.grid-container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;}
.nums{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(14,143,122,.55);outline-offset:3px;border-radius:6px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,248,245,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);flex:none;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:.82rem;font-weight:800;letter-spacing:.6px;
  box-shadow:0 8px 18px rgba(14,143,122,.28);
}
.brand-text{font-size:1.05rem;font-weight:700;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links > a{
  position:relative;text-decoration:none;color:var(--muted);font-size:.94rem;
  padding:8px 0;transition:color .22s ease;white-space:nowrap;
}
.nav-links > a:hover{color:var(--brand);}
.nav-links > a.is-active{color:var(--ink);font-weight:600;}
.nav-links > a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--grad);
}
.nav-links > a.nav-cta{
  display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:600;
  padding:10px 22px;border-radius:999px;background:var(--grad);
  box-shadow:0 10px 24px rgba(14,143,122,.26);transition:transform .22s ease,box-shadow .22s ease,background-position .4s ease;
  background-size:150% 150%;
}
.nav-links > a.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,143,122,.34);background-position:100% 50%;color:#fff;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:1.05rem;cursor:pointer;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;font-size:.98rem;font-weight:600;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease;
}
.btn-primary{background:var(--grad);background-size:150% 150%;color:#fff;box-shadow:0 12px 28px rgba(14,143,122,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(14,143,122,.36);background-position:100% 50%;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:rgba(14,143,122,.08);border-color:rgba(14,143,122,.35);color:var(--brand);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand);border-color:rgba(255,255,255,.4);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,0,0,.18);}
.btn-sm{padding:10px 22px;font-size:.9rem;}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;
  background:#E8F7F2;color:var(--brand);font-size:.8rem;font-weight:600;line-height:1.5;
}
.badge i{font-size:.72rem;}
.badge-amber{background:rgba(245,165,36,.16);color:#B3730B;}
.badge-alert{background:rgba(232,93,74,.14);color:#B93A29;}
.badge-dark{background:rgba(255,255,255,.12);color:#B7EBDD;}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand);display:inline-block;}

/* ---------- Sections ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:700;
  letter-spacing:.12em;color:var(--brand);text-transform:uppercase;margin-bottom:16px;
}
.section-head h2{font-size:clamp(1.6rem,3.5vw,2.4rem);margin-bottom:16px;}
.section-head p{color:var(--muted);font-size:1.02rem;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 88px;}
.hero::before{
  content:"";position:absolute;top:-220px;right:-160px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(123,216,194,.35),rgba(246,248,245,0) 68%);
  z-index:0;
}
.hero::after{
  content:"";position:absolute;bottom:-260px;left:-180px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(245,165,36,.16),rgba(246,248,245,0) 70%);
  z-index:0;
}
.hero .grid-container{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.85rem;color:var(--muted);margin-bottom:22px;}
.crumb a{text-decoration:none;color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:#B6C3BC;}
.crumb .current{color:var(--ink);font-weight:600;}
.hero-copy h1{font-size:clamp(2.1rem,4.6vw,3.5rem);margin-bottom:20px;}
.hero-copy h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-copy .lead{font-size:1.08rem;color:var(--muted);max-width:620px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;}
.hero-points li{
  display:inline-flex;align-items:center;gap:9px;font-size:.88rem;color:var(--muted);
  background:#fff;border:1px solid rgba(14,143,122,.14);border-radius:999px;padding:8px 16px;
}
.hero-points li i{color:var(--brand);font-size:.8rem;}
.hero-figure{position:relative;margin:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(14,143,122,.12);}
.hero-figure img{width:100%;height:440px;object-fit:cover;}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,21,18,0) 45%,rgba(11,21,18,.55) 100%);}
.badge-float{
  position:absolute;z-index:2;background:rgba(255,255,255,.94);border-radius:var(--radius-sm);
  padding:12px 18px;box-shadow:0 14px 30px rgba(11,21,18,.18);border:1px solid rgba(14,143,122,.14);
}
.badge-float strong{display:block;font-size:1.25rem;font-weight:800;color:var(--brand);line-height:1.2;}
.badge-float span{font-size:.76rem;color:var(--muted);}
.badge-float.b1{left:22px;bottom:26px;}
.badge-float.b2{right:22px;top:26px;background:rgba(11,21,18,.72);border-color:rgba(255,255,255,.16);}
.badge-float.b2 strong{color:#7BD8C2;}
.badge-float.b2 span{color:rgba(255,255,255,.72);}

/* ---------- Split panel ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start;}
.split-copy h2{font-size:clamp(1.5rem,3vw,2.15rem);margin-bottom:18px;}
.split-copy p{color:var(--muted);margin-bottom:18px;}
.check-list{margin-top:26px;display:grid;gap:16px;}
.check-list li{
  display:flex;gap:14px;background:#fff;border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius-sm);padding:16px 18px;box-shadow:0 6px 18px rgba(11,21,18,.05);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:rgba(14,143,122,.3);}
.check-list .ico{
  flex:none;width:34px;height:34px;border-radius:11px;background:#E8F7F2;color:var(--brand);
  display:grid;place-items:center;font-size:.85rem;
}
.check-list strong{display:block;font-size:.98rem;margin-bottom:4px;}
.check-list p{font-size:.9rem;color:var(--muted);margin:0;}
.split-aside{display:grid;gap:22px;}
.aside-card{
  background:#fff;border:1px solid rgba(14,143,122,.12);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow);
}
.aside-card h3{font-size:1.08rem;margin-bottom:12px;}
.aside-card p{font-size:.92rem;color:var(--muted);}
.aside-media{border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(14,143,122,.12);box-shadow:var(--shadow);}
.aside-media img{width:100%;height:250px;object-fit:cover;}
.mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px;}
.mini-stat{background:rgba(14,143,122,.06);border-radius:var(--radius-sm);padding:14px 16px;}
.mini-stat strong{display:block;font-size:1.25rem;color:var(--brand);font-weight:800;}
.mini-stat span{font-size:.78rem;color:var(--muted);}

/* ---------- Steps ---------- */
.steps-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps{display:grid;gap:18px;}
.step{
  display:grid;grid-template-columns:96px 1fr;gap:26px;align-items:start;
  background:linear-gradient(180deg,#FFFFFF 0%,#FBFDFC 100%);
  border:1px solid rgba(14,143,122,.12);border-radius:var(--radius-md);
  padding:26px 30px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,143,122,.34);}
.step-num{
  font-size:1.9rem;font-weight:800;color:transparent;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;line-height:1;padding-top:4px;
}
.step-num small{display:block;font-size:.72rem;font-weight:600;color:var(--muted);letter-spacing:.08em;margin-top:8px;-webkit-text-fill-color:var(--muted);}
.step h3{font-size:1.14rem;margin-bottom:10px;}
.step p{color:var(--muted);font-size:.95rem;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;
  color:var(--brand);background:#E8F7F2;border-radius:999px;padding:5px 12px;
}
.tag-warn{color:#B3730B;background:rgba(245,165,36,.16);}

/* ---------- Env checklist ---------- */
.env-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;}
.env-card{
  background:#fff;border:1px solid rgba(14,143,122,.12);border-radius:var(--radius-md);
  padding:24px;box-shadow:0 8px 22px rgba(11,21,18,.06);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.env-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:rgba(14,143,122,.3);}
.env-card i.env-ico{
  display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--grad);
  color:#fff;font-size:1rem;margin-bottom:16px;
}
.env-card h3{font-size:1.05rem;margin-bottom:10px;}
.env-card p{font-size:.9rem;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:0;background:#fff;border:1px solid rgba(14,143,122,.12);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:24px 28px;font-size:1.02rem;font-weight:700;color:var(--ink);
  transition:background-color .2s ease,color .2s ease;
}
.faq-q:hover{background:rgba(14,143,122,.05);color:var(--brand);}
.faq-q .plus{
  flex:none;width:30px;height:30px;border-radius:50%;background:#E8F7F2;color:var(--brand);
  display:grid;place-items:center;font-size:.8rem;transition:transform .28s ease,background-color .28s ease;
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a p{padding:0 28px 24px;color:var(--muted);font-size:.95rem;max-width:860px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  border-radius:var(--radius-lg);padding:64px 56px;
  box-shadow:0 24px 60px rgba(11,21,18,.28);
}
.cta-band::before{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(19,184,166,.42),rgba(11,21,18,0) 70%);
}
.cta-band::after{
  content:"";position:absolute;left:-120px;bottom:-160px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(245,165,36,.22),rgba(11,21,18,0) 72%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2.15rem);margin-bottom:16px;}
.cta-inner p{color:rgba(255,255,255,.74);font-size:1rem;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.cta-side{display:grid;gap:14px;}
.cta-side-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-sm);padding:18px 20px;display:flex;gap:14px;align-items:flex-start;
}
.cta-side-card i{color:#7BD8C2;margin-top:4px;}
.cta-side-card strong{display:block;font-size:.95rem;margin-bottom:4px;}
.cta-side-card span{font-size:.85rem;color:rgba(255,255,255,.68);}

/* ---------- Form ---------- */
.form-card{
  background:#fff;border:1px solid rgba(14,143,122,.12);border-radius:var(--radius-lg);
  padding:40px;box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:.88rem;font-weight:600;color:var(--ink);}
.field input,.field select,.field textarea{
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:13px 16px;background:#FBFDFC;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:130px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(14,143,122,.14);
}
.form-note{font-size:.82rem;color:var(--muted);margin-top:16px;}
.form-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
.form-msg{font-size:.88rem;font-weight:600;color:var(--brand);display:none;}
.form-msg.show{display:inline;}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:72px 0 32px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:1.05rem;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px;}
.site-footer p{font-size:.9rem;line-height:1.85;color:rgba(255,255,255,.62);max-width:420px;}
.footer-title{font-size:.92rem;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em;}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:.9rem;color:rgba(255,255,255,.68);text-decoration:none;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:#7BD8C2;padding-left:4px;}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:.88rem;color:rgba(255,255,255,.66);line-height:1.7;}
.footer-contact i{color:#7BD8C2;margin-top:5px;font-size:.82rem;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding-top:26px;font-size:.82rem;color:rgba(255,255,255,.5);}
.footer-bottom a{color:rgba(255,255,255,.72);text-decoration:none;}
.footer-bottom a:hover{color:#7BD8C2;}

/* ---------- Responsive ---------- */
@media screen and (max-width:1024px){
  .nav-links{
    position:absolute;top:78px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(11,21,18,.12);
    padding:8px 24px 22px;display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links > a{padding:14px 0;border-bottom:1px solid var(--line);font-size:.98rem;}
  .nav-links > a.is-active::after{display:none;}
  .nav-links > a.is-active{color:var(--brand);}
  .nav-links > a.nav-cta{margin-top:16px;border:0;justify-content:center;padding:14px 22px;}
  .nav-toggle{display:grid;place-items:center;}
  .split{grid-template-columns:1fr;gap:40px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .hero-figure img{height:360px;}
}
@media screen and (max-width:768px){
  .section{padding:68px 0;}
  .section-tight{padding:56px 0;}
  .hero{padding:52px 0 64px;}
  .hero-figure img{height:290px;}
  .step{grid-template-columns:1fr;gap:14px;padding:22px;}
  .step-num{font-size:1.5rem;}
  .cta-band{padding:44px 26px;}
  .form-card{padding:26px 20px;}
  .form-grid{grid-template-columns:1fr;}
  .faq-q{padding:20px 18px;font-size:.96rem;}
  .faq-a p{padding:0 18px 20px;}
  .badge-float{padding:10px 14px;}
  .badge-float strong{font-size:1.05rem;}
}
@media screen and (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .brand-text{font-size:.95rem;}
  .hero-copy h1{font-size:1.85rem;}
  .hero-actions .btn{width:100%;}
  .mini-stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
  .hero-figure img{height:230px;}
}

/* roulang page: category3 */
:root{
  --brand:#0E8F7A;
  --brand-deep:#0A6E5E;
  --brand-2:#13B8A6;
  --brand-3:#7BD8C2;
  --brand-tint:#E8F7F2;
  --accent:#F5A524;
  --alert:#E85D4A;
  --bg:#F6F8F5;
  --paper:#FFFFFF;
  --ink-dark:#0B1512;
  --ink:#17211E;
  --muted:#5B6B64;
  --line:#DDE5E0;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-sm:0 6px 18px rgba(11,21,18,.06);
  --shadow:0 12px 32px rgba(11,21,18,.08);
  --shadow-lg:0 22px 48px rgba(11,21,18,.14);
  --grad:linear-gradient(135deg,#0E8F7A 0%,#13B8A6 58%,#7BD8C2 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,143,122,.10) 0%,rgba(123,216,194,.16) 100%);
  --font-cn:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(14,143,122,.05) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--brand)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(19,184,166,.55);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);font-weight:800;line-height:1.28;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5vw,4rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem)}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.1em;padding-left:1.2em}
li{margin-bottom:.5em}
button{font-family:inherit;cursor:pointer}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 通用容器与板块 ---------- */
.grid-container{max-width:1240px;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--dark{
  background:var(--ink-dark);
  color:#DCE7E3;
  background-image:radial-gradient(rgba(123,216,194,.14) 1px,transparent 1px);
  background-size:26px 26px;
}
.section--dark h2,.section--dark h3{color:#FFFFFF}
.section--dark p{color:#A9BDB6}
.section-head{max-width:760px;margin-bottom:48px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:.14em;
  color:var(--brand-deep);text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(14,143,122,.14)}
.section--dark .eyebrow{color:var(--brand-3)}
.lead{font-size:1.0625rem;color:var(--muted);line-height:1.9}
.section--dark .lead{color:#A9BDB6}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,252,250,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  min-height:76px;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);font-weight:800;letter-spacing:.01em}
.brand:hover{color:var(--ink)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:13px;
  background:var(--grad);color:#fff;
  font-size:.8125rem;font-weight:800;letter-spacing:.06em;
  box-shadow:0 8px 18px rgba(14,143,122,.28);
}
.brand-text{font-size:1.0625rem;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links > a{
  position:relative;
  font-size:.9375rem;font-weight:600;color:var(--ink);
  padding:6px 0;
}
.nav-links > a::after{
  content:"";position:absolute;left:0;bottom:0;
  width:100%;height:2px;border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);transform-origin:left;
  transition:transform .26s ease;
}
.nav-links > a:hover{color:var(--brand-deep)}
.nav-links > a:hover::after,
.nav-links > a.is-active::after{transform:scaleX(1)}
.nav-links > a.is-active{color:var(--brand-deep)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px !important;
  border-radius:999px;
  background:var(--grad);color:#fff !important;
  font-size:.9375rem;font-weight:700;
  box-shadow:0 10px 24px rgba(14,143,122,.24);
  transition:transform .22s ease,box-shadow .22s ease,background-position .4s ease;
}
.nav-cta::after{display:none !important}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,143,122,.32);color:#fff}
.nav-toggle{
  display:none;background:#fff;border:1px solid var(--line);
  width:44px;height:44px;border-radius:13px;color:var(--ink);
  font-size:1.0625rem;transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:rgba(14,143,122,.4);color:var(--brand-deep)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.875rem;color:var(--muted)}
.crumb a{color:var(--muted);font-weight:600}
.crumb a:hover{color:var(--brand-deep)}
.crumb i{font-size:.625rem;opacity:.6}
.crumb .current{color:var(--brand-deep);font-weight:700}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 88px}
.hero::before{
  content:"";position:absolute;inset:0;
  background:var(--grad-soft);
  background-image:linear-gradient(120deg,rgba(14,143,122,.10),rgba(123,216,194,.14) 48%,rgba(245,165,36,.08));
  z-index:0;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(14,143,122,.28),transparent);
}
.hero .grid-container{position:relative;z-index:1}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.86);
  border:1px solid rgba(14,143,122,.18);
  font-size:.8125rem;font-weight:700;color:var(--brand-deep);
  box-shadow:var(--shadow-sm);
  margin-bottom:22px;
}
.hero-tag i{color:var(--accent)}
.hero h1{margin-bottom:22px}
.hero h1 .hl{
  background:linear-gradient(180deg,transparent 62%,rgba(123,216,194,.55) 62%);
  padding:0 .12em;
}
.hero-sub{font-size:1.0625rem;color:var(--muted);max-width:620px;line-height:1.9;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-bottom:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;border:1px solid transparent;
  font-size:.9375rem;font-weight:700;letter-spacing:.01em;
  transition:transform .22s ease,box-shadow .24s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 12px 26px rgba(14,143,122,.26);
  background-size:160% 160%;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(14,143,122,.34);color:#fff;background-position:100% 50%}
.btn-ghost{
  background:transparent;color:var(--brand-deep);
  border-color:rgba(14,143,122,.34);
}
.btn-ghost:hover{background:var(--brand-tint);color:var(--brand-deep);transform:translateY(-2px)}
.btn-light{
  background:#fff;color:var(--brand-deep);border-color:rgba(255,255,255,.6);
  box-shadow:var(--shadow-sm);
}
.btn-light:hover{transform:translateY(-2px);color:var(--brand-deep);box-shadow:var(--shadow)}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;height:420px;object-fit:cover;
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.6);
}
.hero-badges{
  position:absolute;left:-14px;bottom:-18px;
  display:flex;flex-wrap:wrap;gap:10px;
}
.float-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(14,143,122,.18);
  box-shadow:var(--shadow);
  font-size:.8125rem;font-weight:700;color:var(--brand-deep);
}
.float-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(19,184,166,.18)}
.float-badge.amber{color:#8A5A0B}
.float-badge.amber .dot{background:var(--accent);box-shadow:0 0 0 4px rgba(245,165,36,.2)}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;margin-top:44px;
  padding-top:26px;border-top:1px dashed rgba(14,143,122,.28);
}
.hero-metrics .m-num{font-size:1.75rem;font-weight:800;color:var(--brand-deep);line-height:1.2}
.hero-metrics .m-label{font-size:.8125rem;color:var(--muted);font-weight:600}

/* ---------- 指标卡 ---------- */
.metric-card{
  height:100%;
  background:var(--paper);
  border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius-lg);
  padding:28px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(14,143,122,.32)}
.metric-card .m-ico{
  width:44px;height:44px;border-radius:13px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-tint);color:var(--brand-deep);
  font-size:1.0625rem;margin-bottom:18px;
}
.metric-card .m-val{font-size:2.125rem;font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:-.02em}
.metric-card .m-name{font-size:.875rem;color:var(--muted);font-weight:600;margin-top:6px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--brand-tint);color:var(--brand-deep);
  font-size:.75rem;font-weight:700;margin-top:14px;
}
.badge.amber{background:rgba(245,165,36,.14);color:#8A5A0B}
.badge.alert{background:rgba(232,93,74,.12);color:#B23A28}

/* ---------- 卡片通用 ---------- */
.card{
  height:100%;
  background:var(--paper);
  border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius-lg);
  padding:30px 28px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(14,143,122,.3)}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:.9375rem;line-height:1.85;margin-bottom:0}
.card-num{
  font-size:.75rem;font-weight:800;letter-spacing:.16em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;display:block;
}

/* ---------- 对比区 ---------- */
.compare-wrap{position:relative;display:grid;grid-template-columns:1fr 84px 1fr;align-items:stretch;gap:0}
.compare-col{
  border-radius:var(--radius-xl);
  padding:34px 30px;
  border:1px solid var(--line);
  background:var(--paper);
  box-shadow:var(--shadow-sm);
}
.compare-col.before{background:#FFFDF8;border-color:rgba(245,165,36,.28)}
.compare-col.after{background:linear-gradient(150deg,rgba(232,247,242,.9),#FFFFFF 70%);border-color:rgba(14,143,122,.28)}
.compare-col h3{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-size:1.125rem}
.compare-col h3 .tag{
  font-size:.6875rem;font-weight:800;letter-spacing:.08em;
  padding:4px 10px;border-radius:999px;
}
.compare-col.before h3 .tag{background:rgba(245,165,36,.18);color:#8A5A0B}
.compare-col.after h3 .tag{background:rgba(14,143,122,.14);color:var(--brand-deep)}
.compare-list{list-style:none;padding:0;margin:0}
.compare-list li{
  position:relative;padding:12px 0 12px 30px;
  border-bottom:1px dashed rgba(11,21,18,.1);
  font-size:.9375rem;color:var(--muted);line-height:1.8;margin:0;
}
.compare-list li:last-child{border-bottom:0;padding-bottom:0}
.compare-list li::before{
  position:absolute;left:0;top:15px;
  font-family:"Font Awesome 6 Free";font-weight:900;font-size:.8125rem;
}
.compare-col.before .compare-list li::before{content:"\f00d";color:var(--alert)}
.compare-col.after .compare-list li::before{content:"\f00c";color:var(--brand)}
.compare-arrow{
  display:flex;align-items:center;justify-content:center;
}
.compare-arrow span{
  width:56px;height:56px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:1.125rem;
  box-shadow:0 12px 26px rgba(14,143,122,.3);
}
.compare-foot{
  margin-top:36px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  padding:20px 24px;border-radius:var(--radius-md);
  background:var(--paper);border:1px dashed rgba(14,143,122,.3);
}
.compare-foot strong{color:var(--brand-deep)}

/* ---------- 步骤清单 ---------- */
.steps{counter-reset:step;display:grid;gap:18px}
.step{
  display:grid;grid-template-columns:64px 1fr;gap:22px;align-items:start;
  background:var(--paper);border:1px solid rgba(14,143,122,.12);
  border-radius:var(--radius-lg);padding:26px 28px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(14,143,122,.3)}
.step-idx{
  counter-increment:step;
  width:52px;height:52px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-tint);color:var(--brand-deep);
  font-weight:800;font-size:1.0625rem;
  font-variant-numeric:tabular-nums;
}
.step-idx::before{content:counter(step,decimal-leading-zero)}
.step h3{margin-bottom:8px;font-size:1.125rem}
.step p{color:var(--muted);font-size:.9375rem;margin-bottom:0}

/* ---------- 异常信号卡 ---------- */
.signal{
  height:100%;background:var(--paper);
  border:1px solid var(--line);border-left:4px solid var(--alert);
  border-radius:var(--radius-md);padding:24px 24px 24px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease;
}
.signal:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.signal h3{font-size:1.0625rem;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.signal h3 i{color:var(--alert);font-size:.9375rem}
.signal p{color:var(--muted);font-size:.9375rem;margin-bottom:0}
.signal .advice{display:block;margin-top:12px;font-size:.875rem;font-weight:700;color:var(--brand-deep)}

/* ---------- 校验结果条 ---------- */
.check-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;margin-top:36px;
}
.check-item{
  background:#fff;border:1px solid rgba(14,143,122,.14);
  border-radius:var(--radius-md);padding:20px 22px;
  box-shadow:var(--shadow-sm);
}
.check-item .k{font-size:.75rem;font-weight:800;letter-spacing:.1em;color:var(--brand);text-transform:uppercase}
.check-item .v{font-size:1.375rem;font-weight:800;color:var(--ink);margin-top:8px;font-variant-numeric:tabular-nums}
.check-item .d{font-size:.8125rem;color:var(--muted);margin-top:4px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;font-size:1.0625rem;font-weight:700;color:var(--ink);
  font-family:inherit;line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-deep)}
.faq-q .plus{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-tint);color:var(--brand-deep);
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.is-open .faq-q .plus{transform:rotate(135deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-a-inner{padding:0 60px 26px 4px;color:var(--muted);font-size:.9375rem;line-height:1.9}
.faq-item.is-open .faq-a{max-height:420px}

/* ---------- 表单 ---------- */
.form-card{
  background:var(--paper);
  border:1px solid rgba(14,143,122,.14);
  border-radius:var(--radius-xl);
  padding:40px;
  box-shadow:var(--shadow-lg);
}
.field{margin-bottom:20px}
.field label{display:block;font-size:.875rem;font-weight:700;color:var(--ink);margin-bottom:8px}
.field label .req{color:var(--alert);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#FCFDFC;color:var(--ink);
  font-size:.9375rem;font-family:inherit;line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:124px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#98A8A1}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-2);background:#fff;
  box-shadow:0 0 0 4px rgba(19,184,166,.14);outline:none;
}
.form-note{font-size:.8125rem;color:var(--muted);margin-top:14px;line-height:1.75}
.form-msg{
  display:none;margin-top:18px;padding:14px 18px;border-radius:var(--radius-sm);
  background:var(--brand-tint);color:var(--brand-deep);
  font-size:.875rem;font-weight:700;border:1px solid rgba(14,143,122,.24);
}
.form-msg.is-show{display:block}
.trust-list{list-style:none;padding:0;margin:0}
.trust-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.16);
  font-size:.9375rem;color:#C4D6D0;
}
.trust-list li:last-child{border-bottom:0}
.trust-list i{color:var(--brand-3);margin-top:6px;flex:0 0 auto}

/* ---------- 返回入口 ---------- */
.back-panel{
  display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;
  background:var(--paper);border:1px solid rgba(14,143,122,.16);
  border-radius:var(--radius-xl);padding:38px 40px;
  box-shadow:var(--shadow-sm);
}
.back-links{display:grid;gap:12px}
.back-link{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 20px;border-radius:var(--radius-sm);
  background:#FBFDFB;border:1px solid var(--line);
  font-weight:700;font-size:.9375rem;color:var(--ink);
  transition:border-color .22s ease,transform .22s ease,background .22s ease,color .22s ease;
}
.back-link:hover{border-color:rgba(14,143,122,.4);background:var(--brand-tint);color:var(--brand-deep);transform:translateX(3px)}
.back-link i{color:var(--brand);transition:transform .22s ease}
.back-link:hover i{transform:translateX(3px)}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-dark);
  border-radius:var(--radius-xl);
  padding:52px 46px;
  display:grid;grid-template-columns:1.5fr 1fr;gap:30px;align-items:center;
  background-image:linear-gradient(120deg,rgba(11,21,18,.94),rgba(10,110,94,.88)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:#B7CBC4;margin-bottom:0}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-dark);color:#A9BDB6;
  padding:72px 0 30px;margin-top:0;
  border-top:1px solid rgba(123,216,194,.14);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:1.0625rem;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px;font-size:.75rem}
.site-footer p{font-size:.875rem;line-height:1.85;color:#93A9A2;margin-bottom:0}
.footer-title{color:#fff;font-size:.9375rem;font-weight:800;margin-bottom:18px;letter-spacing:.02em}
.footer-links,.footer-contact{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:12px}
.footer-links a{color:#A9BDB6;font-size:.875rem}
.footer-links a:hover{color:var(--brand-3)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:.875rem;color:#A9BDB6}
.footer-contact i{color:var(--brand-3);margin-top:6px;flex:0 0 auto;font-size:.8125rem}
.footer-bottom{
  margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:.8125rem;color:#7E948D;
}
.footer-bottom a{color:#A9BDB6}
.footer-bottom a:hover{color:var(--brand-3)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:76px 0}
  .hero{padding:48px 0 72px}
  .hero-figure img{height:340px}
  .compare-wrap{grid-template-columns:1fr;gap:18px}
  .compare-arrow{transform:rotate(90deg);padding:4px 0}
  .cta-band{grid-template-columns:1fr;padding:44px 34px}
  .cta-band .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .check-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .back-panel{grid-template-columns:1fr;padding:32px 30px}
  .nav-links{gap:22px}
}
@media (max-width:768px){
  .grid-container{padding-left:18px;padding-right:18px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-links{
    position:fixed;top:76px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(250,252,250,.98);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    padding:12px 18px 22px;
    transform:translateY(-12px);
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
    max-height:calc(100vh - 76px);overflow-y:auto;
    box-shadow:0 24px 40px rgba(11,21,18,.12);
  }
  .nav-links.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
  .nav-links > a{padding:15px 4px;border-bottom:1px solid var(--line);font-size:1rem}
  .nav-links > a::after{display:none}
  .nav-links > a.is-active{color:var(--brand-deep)}
  .nav-cta{margin-top:16px;border-bottom:0 !important;justify-content:center}
  .hero-metrics{grid-template-columns:1fr;gap:14px}
  .hero-figure img{height:270px}
  .hero-badges{position:static;margin-top:16px;left:0;bottom:0}
  .form-card{padding:26px 20px}
  .faq-a-inner{padding-right:12px}
  .section{padding:60px 0}
  .section-head{margin-bottom:34px}
}
@media (max-width:520px){
  body{font-size:15px}
  h1{font-size:clamp(1.85rem,8vw,2.4rem)}
  .section{padding:48px 0}
  .hero{padding:34px 0 54px}
  .hero-actions .btn{width:100%}
  .check-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .compare-col{padding:26px 20px}
  .card{padding:24px 20px}
  .step{grid-template-columns:1fr;gap:14px;padding:22px 20px}
  .cta-band{padding:34px 22px}
  .footer-bottom{flex-direction:column}
}