/* roulang page: index */
:root{
  --brand:#14A97A;
  --brand-soft:#F1F8F4;
  --brand-dark:#0A2E24;
  --accent:#FF7A1A;
  --bg:#F7F8F4;
  --surface:#FFFFFF;
  --line:#E3E7DD;
  --line-strong:#CFD8CD;
  --ink:#101820;
  --ink-2:#5F6B63;
  --ink-3:#3A423C;
  --r-card:16px;
  --r-img:12px;
  --r-input:12px;
  --r-pill:999px;
  --r-badge:8px;
  --shadow-card:0 1px 2px rgba(16,24,32,.05), 0 10px 28px -18px rgba(16,24,32,.18);
  --shadow-hover:0 2px 4px rgba(16,24,32,.06), 0 16px 34px -18px rgba(16,24,32,.24);
  --shadow-cta:0 10px 22px -12px rgba(255,122,26,.55);
  --t:200ms ease;
  --section-y:96px;
  --bs-primary:#14A97A;
  --bs-primary-rgb:20,169,122;
  --bs-body-bg:#F7F8F4;
  --bs-body-color:#101820;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-border-color:#E3E7DD;
  --bs-border-radius:12px;
  --bs-border-radius-sm:10px;
  --bs-border-radius-lg:16px;
  --bs-link-color:#101820;
  --bs-link-hover-color:#14A97A;
  --bs-link-decoration:underline;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
a:hover{color:var(--brand)}
p{margin:0 0 1em;color:var(--ink-3);line-height:1.85}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.32}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(20,169,122,.55);outline-offset:2px;border-radius:6px}
.container,.container-lg,.container-xl,.container-fluid{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.section{padding:var(--section-y) 0}
.section-tight{padding-top:0}
.section-head{margin-bottom:32px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--brand);text-transform:uppercase;margin-bottom:12px}
.section-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand)}
.section-head h2{font-size:clamp(24px,2.2vw,32px);line-height:1.28;font-weight:700}
.section-head p{margin-top:12px;max-width:720px;font-size:15px;color:var(--ink-2)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);border-bottom:1px solid transparent;padding-bottom:2px}
.link-arrow svg{transition:transform var(--t)}
.link-arrow:hover{color:var(--brand);border-bottom-color:var(--brand)}
.link-arrow:hover svg{transform:translateX(3px)}

/* 按钮 */
.btn-accent,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-cta)}
.btn-accent:hover{background:#ef6c0d;color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(255,122,26,.6)}
.btn-accent:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand-dark);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-soft{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-soft:hover{border-color:var(--line-strong);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.btn-block{width:100%}
.btn-accent.nav-cta{min-height:40px;padding:0 20px;font-size:14px;box-shadow:none}
.btn-accent.nav-cta:hover{box-shadow:0 10px 20px -12px rgba(255,122,26,.6)}
.badge-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:var(--r-badge);background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:700;letter-spacing:.06em}
.badge-tag.orange{background:#FFF3E8;color:#C4560A}
.badge-tag.dark{background:rgba(255,255,255,.14);color:#EAF6F0}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(247,248,244,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t),background-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(255,255,255,.92);box-shadow:0 6px 18px -18px rgba(16,24,32,.5)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.nav-left,.nav-right{display:flex;align-items:center;gap:24px}
.nav-left{gap:36px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--ink);line-height:1.2}
.brand:hover{color:var(--ink)}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:var(--brand-dark);display:flex;align-items:center;justify-content:center;color:#5FE0B4}
.brand-text{font-weight:700;letter-spacing:.01em;max-width:230px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:15px;font-weight:600;color:var(--ink);padding:6px 0;border-bottom:2px solid transparent;transition:color var(--t),border-color var(--t)}
.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand);border-bottom-color:var(--brand)}
.nav-right{gap:14px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color var(--t),box-shadow var(--t),width var(--t);width:210px;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,169,122,.14)}
.nav-search svg{flex:0 0 16px;color:var(--ink-2)}
.nav-search input{border:0;outline:0;background:transparent;font-size:14px;width:100%;color:var(--ink)}
.nav-search input::placeholder{color:#9AA69E}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:12px;color:var(--ink);cursor:pointer}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 24px 22px}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:12px 0;font-size:15px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-panel a:last-of-type{border-bottom:0}
.mobile-panel .btn-accent{margin-top:14px;width:100%}

/* Hero */
.hero{position:relative;padding:64px 0 88px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(16,24,32,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(16,24,32,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 30% 30%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 30% 30%,#000 0%,transparent 72%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;z-index:1}
.hero-copy .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero-copy h1{font-size:clamp(30px,3.4vw,46px);line-height:1.18;font-weight:800;letter-spacing:-.01em}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px;font-size:13px;color:var(--ink-2)}
.hero-trust span{position:relative;padding-right:14px}
.hero-trust span:not(:last-child)::after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:var(--line-strong)}
.hero-visual{position:relative}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,46,36,.62),rgba(10,46,36,.72))}
.hero-float{
  position:absolute;left:-18px;bottom:26px;background:#fff;border-radius:var(--r-badge);
  border:1px solid var(--line);box-shadow:var(--shadow-card);padding:16px 20px;
  display:flex;gap:26px;
}
.hero-float .metric strong{display:block;font-size:26px;font-weight:800;line-height:1.1;color:var(--brand-dark);font-variant-numeric:tabular-nums}
.hero-float .metric span{font-size:12px;color:var(--ink-2);letter-spacing:.04em}
.hero-arc{
  position:absolute;right:-90px;bottom:-120px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(20,169,122,.35);pointer-events:none;
}

/* 卖点三连 */
.value-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:24px}
.value-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-card);transition:transform var(--t),border-color var(--t),box-shadow var(--t);display:flex;flex-direction:column}
.value-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.value-card.primary{background:var(--brand-soft);padding:0;overflow:hidden}
.value-card.primary .media{aspect-ratio:3/2;border-radius:0;border-bottom:1px solid var(--line)}
.value-card.primary .media img{width:100%;height:100%;object-fit:cover}
.value-card.primary .body{padding:26px}
.value-num{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);margin-bottom:10px;font-variant-numeric:tabular-nums}
.value-label{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin-bottom:12px}
.value-card h3{font-size:20px;line-height:1.35;margin-bottom:12px}
.value-card p{font-size:15px;color:var(--ink-3);margin-bottom:18px}
.value-card .link-arrow{margin-top:auto}

/* 场景演示 */
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:44px 0}
.scene-row + .scene-row{border-top:1px dashed var(--line)}
.scene-row.reverse .scene-media{order:2}
.scene-media{border-radius:14px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-step{font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--brand);font-variant-numeric:tabular-nums;margin-bottom:12px}
.scene-copy h3{font-size:22px;line-height:1.36;margin-bottom:14px}
.scene-copy p{font-size:15px;margin-bottom:16px}

/* 数据带 */
.stat-band{background:var(--brand-dark);color:#fff;padding:56px 0;position:relative;overflow:hidden}
.stat-band::after{content:"";position:absolute;right:-140px;top:-160px;width:360px;height:360px;border-radius:50%;border:1px solid rgba(255,255,255,.12)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
.stat-item strong{display:block;font-size:32px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:#fff}
.stat-item span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.72)}
.stat-band .band-title{font-size:14px;font-weight:700;letter-spacing:.1em;color:#5FE0B4;margin-bottom:24px}

/* 评价卡 */
.review-track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:16px}
.review-card .quote{font-size:34px;line-height:1;color:var(--brand);font-weight:800}
.review-card p{font-size:15px;margin:0;color:var(--ink-3)}
.review-who{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.review-avatar{width:38px;height:38px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.review-who b{display:block;font-size:14px;font-weight:600}
.review-who span{font-size:13px;color:var(--ink-2)}

/* 资讯列表 */
.news-headcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;height:100%;transition:transform var(--t),border-color var(--t),box-shadow var(--t)}
.news-headcard:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.news-headcard .media{aspect-ratio:3/2;background:var(--brand-dark);position:relative;border-radius:0}
.news-headcard .media img{width:100%;height:100%;object-fit:cover}
.news-headcard .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-headcard h3{font-size:20px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-headcard p{font-size:14px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);flex-wrap:wrap}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden}
.news-item{display:flex;gap:18px;padding:18px 22px;align-items:center;border-bottom:1px solid var(--line);transition:background-color var(--t)}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:var(--brand-soft)}
.news-thumb{flex:0 0 96px;width:96px;height:72px;border-radius:10px;overflow:hidden;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;color:var(--brand)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-thumb svg{width:22px;height:22px}
.news-body{min-width:0;flex:1}
.news-body h4{font-size:16px;font-weight:600;line-height:1.45;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-body p{margin:0 0 6px;font-size:13px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-empty{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center;box-shadow:var(--shadow-card)}
.news-empty svg{color:var(--brand);margin-bottom:14px}
.news-empty p{font-size:14px;color:var(--ink-2);margin-bottom:18px}

/* FAQ */
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:12px;overflow:hidden;
  box-shadow:0 1px 2px rgba(16,24,32,.04);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-header{margin:0}
.faq-accordion .accordion-button{
  width:100%;background:#fff;border:0;padding:20px 56px 20px 24px;position:relative;
  font-size:17px;font-weight:600;color:var(--ink);text-align:left;line-height:1.6;
  box-shadow:none;border-radius:0;transition:background-color var(--t),color var(--t);
}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;background:transparent;transition:background-color var(--t);
}
.faq-accordion .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark)}
.faq-accordion .accordion-button:not(.collapsed)::before{background:var(--brand)}
.faq-accordion .accordion-button:hover{background:var(--brand-soft)}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:3px solid rgba(20,169,122,.35);outline-offset:-3px}
.faq-accordion .accordion-button::after{
  content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:translateY(-70%) rotate(45deg);transition:transform var(--t);background:none;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg)}
.faq-accordion .accordion-body{padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-3);background:#fff}
.faq-accordion .accordion-body p:last-child{margin-bottom:0}

/* 表单 */
.guide-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-card)}
.guide-form .field{margin-bottom:20px}
.guide-form label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.guide-form .form-control,.guide-form .form-select{
  height:48px;border-radius:var(--r-input);border:1px solid var(--line);font-size:15px;color:var(--ink);
  padding:0 16px;background:#fff;box-shadow:none;transition:border-color var(--t),box-shadow var(--t);
}
.guide-form textarea.form-control{height:auto;min-height:120px;padding:14px 16px;line-height:1.7}
.guide-form .form-control:focus,.guide-form .form-select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,169,122,.15);outline:none}
.form-hint{font-size:13px;color:var(--ink-2);margin-top:10px}
.form-note{margin-top:16px;padding:14px 16px;border-radius:var(--r-input);background:var(--brand-soft);font-size:13px;color:var(--brand-dark);line-height:1.7}
.guide-aside{background:var(--brand-dark);color:#fff;border-radius:var(--r-card);padding:32px;height:100%}
.guide-aside h3{color:#fff;font-size:20px;margin-bottom:16px}
.guide-aside ol{counter-reset:step;margin-bottom:20px}
.guide-aside li{
  position:relative;padding-left:38px;margin-bottom:14px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.78);
}
.guide-aside li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;font-size:12px;font-weight:700;letter-spacing:.06em;color:#5FE0B4;font-variant-numeric:tabular-nums;
}
.guide-aside .badge-tag{margin-bottom:16px}

/* CTA 卡 */
.cta-card{
  background:var(--brand-dark);border-radius:var(--r-card);padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;overflow:hidden;
}
.cta-card::after{content:"";position:absolute;left:-80px;bottom:-160px;width:320px;height:320px;border-radius:50%;border:1px solid rgba(255,255,255,.1)}
.cta-card h2{color:#fff;font-size:clamp(22px,2vw,28px);line-height:1.32;margin-bottom:12px}
.cta-card p{color:rgba(255,255,255,.72);font-size:15px;margin:0;max-width:620px}
.cta-card .actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* 页脚 */
.site-footer{background:var(--brand-dark);color:#fff;margin-top:var(--section-y);padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .brand{color:#fff}
.site-footer .brand-mark{background:rgba(255,255,255,.1);color:#5FE0B4}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px}
.footer-kw{display:inline-block;margin-top:16px;padding:6px 12px;border-radius:var(--r-badge);background:rgba(20,169,122,.2);color:#9BEBD0;font-size:13px;font-weight:600}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:rgba(255,255,255,.72);margin:0 0 12px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:rgba(255,255,255,.6)}

/* 底部转化条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1050;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  height:60px;padding:0 16px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -18px rgba(16,24,32,.55);
  transform:translateY(100%);opacity:0;transition:transform 260ms ease,opacity 260ms ease;
}
.mobile-bar.show{transform:translateY(0);opacity:1}
.mobile-bar span{font-size:14px;font-weight:600;color:var(--ink)}
.mobile-bar .btn-accent{min-height:40px;padding:0 18px;font-size:14px}

@media (max-width:991.98px){
  :root{--section-y:72px}
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-wrap{height:56px}
  .nav-toggle{display:inline-flex}
  .hero{padding:36px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-media{aspect-ratio:16/10}
  .hero-float{left:12px;bottom:-20px;padding:14px 18px;gap:20px}
  .hero-arc{display:none}
  .value-grid{grid-template-columns:1fr}
  .scene-row{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .scene-row.reverse .scene-media{order:0}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .review-track{display:flex;overflow-x:auto;gap:16px;padding-bottom:12px;scroll-snap-type:x mandatory}
  .review-card{flex:0 0 84%;scroll-snap-align:start}
  .cta-card{flex-direction:column;align-items:flex-start;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .mobile-bar{display:flex}
  .site-footer{margin-top:72px;padding-bottom:92px}
}
@media (max-width:575.98px){
  :root{--section-y:56px}
  .container,.container-lg,.container-xl,.container-fluid{padding-left:18px;padding-right:18px}
  .brand-text{max-width:170px;font-size:15px}
  .hero-actions .btn-accent,.hero-actions .btn-ghost{width:100%}
  .hero-float{position:static;margin-top:-32px;margin-left:12px;margin-right:12px;justify-content:space-between}
  .news-item{flex-direction:column;align-items:flex-start;gap:12px}
  .news-thumb{width:100%;flex:none;height:150px}
  .news-headcard h3{font-size:18px}
  .guide-panel{padding:22px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:22px}
  .stat-item strong{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-accordion .accordion-button{font-size:16px;padding:18px 48px 18px 20px}
  .review-card{flex:0 0 88%}
}

/* roulang page: article */
:root{
  --brand:#14A97A;
  --brand-dark:#0F8B64;
  --brand-soft:#F1F8F4;
  --brand-deep:#0A2E24;
  --accent:#FF7A1A;
  --accent-dark:#E86A0E;
  --bg:#F7F8F4;
  --card:#FFFFFF;
  --line:#E3E7DD;
  --line-strong:#CFD8CD;
  --ink:#101820;
  --muted:#5F6B63;
  --para:#3A423C;
  --r-card:16px;
  --r-img:12px;
  --r-input:12px;
  --r-pill:999px;
  --r-badge:8px;
  --sh-card:0 1px 2px rgba(16,24,32,.05), 0 10px 28px -18px rgba(16,24,32,.18);
  --sh-card-hover:0 2px 5px rgba(16,24,32,.07), 0 16px 34px -18px rgba(16,24,32,.26);
  --sh-cta:0 8px 20px -10px rgba(255,122,26,.55);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;

  --bs-primary:#14A97A;
  --bs-primary-rgb:20,169,122;
  --bs-link-color:#0F7B59;
  --bs-link-hover-color:#E86A0E;
  --bs-body-bg:#F7F8F4;
  --bs-body-color:#3A423C;
  --bs-body-font-family:var(--font);
  --bs-border-color:#E3E7DD;
  --bs-border-radius:14px;
  --bs-btn-border-radius:999px;
  --bs-btn-font-weight:600;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;color:var(--para);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700}
p{margin:0 0 1em}
a{color:#0F7B59;text-decoration:none}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:rgba(20,169,122,.18)}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:575.98px){.container{padding:0 18px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,248,244,.92);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:0 6px 20px -18px rgba(16,24,32,.5)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:68px;
  font-size:15px;font-weight:600;color:var(--ink);padding:0 2px;transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;border-radius:2px;
  background:transparent;transition:background .2s ease;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{background:var(--brand)}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{background:var(--brand)}
.header-side{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;color:var(--muted);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,169,122,.15)}
.search-box input{border:0;outline:0;background:transparent;font-size:14px;width:132px;color:var(--ink)}
.search-box input::placeholder{color:#93A09A}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border-radius:var(--r-pill);background:var(--accent);color:#fff;
  font-size:14px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;
  box-shadow:var(--sh-cta);transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.btn-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
.btn-cta:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;
  border-radius:var(--r-pill);border:1.5px solid var(--brand);color:var(--brand);
  font-size:14px;font-weight:700;background:transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);
}
.mobile-nav{display:none}
@media (max-width:991.98px){
  .nav-links,.search-box{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:56px;gap:14px}
  .brand-text{font-size:15px}
  .btn-cta.desk-only{display:none}
  .mobile-nav{display:block;background:#fff;border-bottom:1px solid var(--line)}
  .mobile-nav .container{display:flex;flex-direction:column;gap:6px;padding-top:12px;padding-bottom:16px}
  .mobile-nav a{
    display:flex;align-items:center;min-height:48px;padding:0 4px;
    font-size:15px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line);
  }
  .mobile-nav a:last-child{border-bottom:0}
  .mobile-nav .btn-cta{margin-top:10px;height:46px;width:100%}
}

/* ---------- 页面横幅 ---------- */
.page-hero{
  position:relative;color:#fff;
  background-image:linear-gradient(102deg,rgba(10,46,36,.86) 0%,rgba(10,46,36,.70) 58%,rgba(10,46,36,.62) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:38px 0 46px;min-height:262px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.70);margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.78);border-bottom:1px solid rgba(255,255,255,.25);padding-bottom:1px}
.crumbs a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.crumbs .sep{opacity:.55}
.crumbs .current{color:rgba(255,255,255,.92);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-badge);
  background:rgba(20,169,122,.22);border:1px solid rgba(159,217,196,.45);color:#CDF0E2;
  font-size:12px;font-weight:700;letter-spacing:.06em;margin-bottom:16px;
}
.page-hero h1{
  color:#fff;font-size:clamp(26px,3vw,40px);line-height:1.22;font-weight:800;letter-spacing:.005em;
  max-width:900px;
}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:rgba(255,255,255,.74)}
.hero-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.45)}
.hero-meta .chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-badge);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;font-weight:700;letter-spacing:.04em;
}

/* ---------- 布局 ---------- */
main{display:block}
.article-wrap{padding:52px 0 24px}
.sidebar{position:sticky;top:92px}
@media (max-width:991.98px){
  .sidebar{position:static;margin-top:8px}
}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:38px 40px 30px;
}
@media (max-width:767.98px){.article-card{padding:24px 20px 20px}}

/* ---------- 正文排版 ---------- */
.article-body{max-width:800px;font-size:16px;line-height:1.85;color:var(--para)}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:clamp(21px,2vw,27px);line-height:1.35;font-weight:700;color:var(--ink);
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:19px;line-height:1.45;font-weight:700;color:var(--ink);margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:22px 0 10px}
.article-body p{margin:0 0 1em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{line-height:1.8;margin-bottom:8px}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:#2C4A3E;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:22px 0;border:1px solid var(--line);width:100%}
.article-body a{border-bottom:1px solid rgba(20,169,122,.35)}
.article-body a:hover{color:var(--accent);border-bottom-color:rgba(255,122,26,.5)}
.article-body strong{color:var(--ink)}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:32px 0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--brand-soft);color:var(--ink)}

.empty-state{
  text-align:center;padding:64px 20px;border:1px dashed var(--line-strong);border-radius:var(--r-card);
  background:#FCFDFB;
}
.empty-state svg{color:var(--brand);margin-bottom:14px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:18px}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:22px 22px 20px;margin-bottom:20px;
}
.side-card h3{font-size:16px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3 .bar{width:3px;height:14px;border-radius:2px;background:var(--brand)}
.toc-list li{margin-bottom:2px}
.toc-list a{
  display:block;padding:8px 10px;font-size:14px;line-height:1.5;color:var(--muted);
  border-radius:10px;border-left:2px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc-list a:hover,.toc-list a.active{background:var(--brand-soft);color:#0F7B59;border-left-color:var(--brand)}
.side-cta{
  background:var(--brand-soft);border:1px solid rgba(20,169,122,.26);
}
.side-cta p{font-size:14px;color:#3A5D4F;line-height:1.75;margin-bottom:16px}
.side-cta .btn-cta{width:100%;height:44px}
.quick-list li{
  display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--para);line-height:1.7;
}
.quick-list li:last-child{border-bottom:0;padding-bottom:0}
.quick-list .num{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--brand);color:#fff;
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
  font-variant-numeric:tabular-nums;
}

/* ---------- 相关推荐 ---------- */
.rec-section{padding:26px 0 8px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:24px}
.section-head .tag{
  display:block;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--brand);margin-bottom:8px;
}
.section-head h2{font-size:clamp(22px,2.2vw,30px);line-height:1.3;font-weight:700}
.section-head .more{font-size:14px;font-weight:600}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:991.98px){.rec-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.rec-grid{grid-template-columns:1fr}}
.rec-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;
}
.rec-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--sh-card-hover);color:inherit}
.rec-card .thumb{aspect-ratio:3/2;overflow:hidden;background:#EEF1EA}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover}
.rec-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rec-card .kicker{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--brand)}
.rec-card h3{font-size:16px;line-height:1.5;font-weight:700;color:var(--ink)}
.rec-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}
.rec-card .arrow{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}

/* ---------- FAQ ---------- */
.faq-section{padding:56px 0 24px}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;
  background:#fff;margin-bottom:12px;box-shadow:var(--sh-card);
}
.accordion-button{
  font-size:17px;font-weight:600;color:var(--ink);background:#fff;padding:18px 20px 18px 22px;
  box-shadow:none!important;position:relative;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 2px 2px 0;background:transparent;
  transition:background .2s ease;
}
.accordion-button:not(.collapsed){color:#0F7B59;background:var(--brand-soft)}
.accordion-button:not(.collapsed)::before{background:var(--brand)}
.accordion-button:focus{box-shadow:0 0 0 4px rgba(20,169,122,.15)!important;z-index:2}
.accordion-button::after{background-size:14px;filter:hue-rotate(120deg)}
.accordion-body{font-size:15px;line-height:1.8;color:var(--para);padding:6px 20px 20px 22px}

/* ---------- CTA 条 ---------- */
.cta-band{padding:24px 0 72px}
.cta-inner{
  background:var(--brand-deep);border-radius:var(--r-card);padding:36px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,255,255,.09);
}
.cta-inner h2{color:#fff;font-size:clamp(20px,2vw,26px);line-height:1.35;margin-bottom:10px;max-width:640px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;margin:0;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;z-index:1}
.cta-inner .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.cta-inner .btn-ghost:hover{background:#fff;color:var(--brand-deep);border-color:#fff}
@media (max-width:767.98px){.cta-inner{padding:28px 22px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.7);margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr}}
.site-footer .brand{color:#fff}
.site-footer .brand-mark{background:var(--brand)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:16px 0 14px;max-width:360px}
.footer-kw{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;color:#9FD9C4;
  border:1px solid rgba(20,169,122,.45);border-radius:var(--r-badge);padding:5px 10px;
}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-col ul a:hover{color:var(--accent)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0 0 10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 24px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}

/* ---------- 回顶 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:14px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-card);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;z-index:1040;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,background .2s ease;
}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--brand-soft);color:#0F7B59}
@media (max-width:575.98px){.to-top{right:16px;bottom:18px;width:44px;height:44px}}

/* ---------- Bootstrap 覆盖 ---------- */
.btn{border-radius:var(--r-pill);font-weight:600;padding:.62rem 1.4rem;transition:transform .18s ease,background .18s ease,color .18s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{
  --bs-btn-bg:var(--brand);--bs-btn-border-color:var(--brand);
  --bs-btn-hover-bg:var(--brand-dark);--bs-btn-hover-border-color:var(--brand-dark);
  --bs-btn-active-bg:var(--brand-dark);--bs-btn-active-border-color:var(--brand-dark);
  --bs-btn-disabled-bg:var(--brand);--bs-btn-disabled-border-color:var(--brand);
}
.card{border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-card);background:#fff}
.badge{--bs-badge-border-radius:var(--r-badge);font-weight:700;letter-spacing:.04em}
.form-control{border-radius:var(--r-input);border:1px solid var(--line);height:48px;font-size:15px;color:var(--ink)}
.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,169,122,.15)}
.form-label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}

/* roulang page: category2 */
:root{
  --brand:#14A97A;
  --brand-dark:#0F7B5C;
  --deep:#0A2E24;
  --accent:#FF7A1A;
  --accent-dark:#E96A0E;
  --bg:#F7F8F4;
  --card:#FFFFFF;
  --line:#E3E7DD;
  --line-strong:#CFD8CD;
  --ink:#101820;
  --muted:#5F6B63;
  --text:#3A423C;
  --radius-card:16px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-soft:0 1px 2px rgba(16,24,32,.05), 0 10px 28px -18px rgba(16,24,32,.18);
  --shadow-hover:0 2px 4px rgba(16,24,32,.06), 0 18px 36px -20px rgba(16,24,32,.26);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-primary:#14A97A;
  --bs-secondary:#0A2E24;
  --bs-body-bg:#F7F8F4;
  --bs-body-color:#3A423C;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-border-color:#E3E7DD;
  --bs-border-radius:12px;
  --bs-link-color:#0F7B5C;
  --bs-link-hover-color:#FF7A1A;
  --bs-link-decoration:none;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:0}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(20,169,122,.45);
  outline-offset:2px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(16,24,32,.5)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(20,169,122,.12);color:var(--brand);flex:0 0 auto;
}
.brand-text{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;font-size:15px;font-weight:600;color:var(--ink);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--brand-dark)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand-dark)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-toggle{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;
  color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.search-toggle:hover{border-color:var(--line-strong);color:var(--ink);transform:translateY(-2px)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;
  border-radius:var(--radius-pill);background:var(--accent);color:#fff;
  font-size:15px;font-weight:700;
  box-shadow:0 10px 22px -14px rgba(255,122,26,.75);
}
.nav-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
.nav-cta:active{transform:translateY(1px)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer;
}
.nav-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;
}
.nav-drawer.is-open{display:block}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:14px}
.drawer-links a{
  display:flex;align-items:center;min-height:48px;font-size:16px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--brand-dark)}
.drawer-cta{width:100%}
.search-bar{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0}
.search-bar.is-open{display:block}
.search-form{display:flex;gap:10px}
.search-form input{
  flex:1;min-height:48px;border:1px solid var(--line);border-radius:12px;
  padding:0 16px;font-size:15px;color:var(--ink);background:#fff;
}
.search-form input::placeholder{color:#96A099}
.search-form button{
  min-height:48px;padding:0 22px;border:0;border-radius:12px;background:var(--brand);
  color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:background-color .2s ease;
}
.search-form button:hover{background:var(--brand-dark)}

/* 按钮 */
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  box-shadow:0 12px 26px -16px rgba(255,122,26,.8);
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(255,122,26,.85)}
.btn-accent:active{transform:translateY(1px)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid rgba(20,169,122,.55);color:var(--brand-dark);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-outline:hover{background:#F1F8F4;border-color:var(--brand);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}

/* 内页页头 */
.page-hero{position:relative;overflow:hidden;background:var(--deep)}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero-mask{position:absolute;inset:0;background:rgba(10,46,36,.74)}
.page-hero-inner{
  position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;
  min-height:268px;padding-top:36px;padding-bottom:36px;color:#fff;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{opacity:.55}
.crumb .current{color:#fff}
.page-hero h1{
  font-size:clamp(30px,3.4vw,46px);line-height:1.18;font-weight:800;color:#fff;
  letter-spacing:.01em;max-width:15em;
}
.hero-sub{margin-top:14px;font-size:16px;line-height:1.75;color:rgba(255,255,255,.86);max-width:52em}

/* 通用板块头 */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:8px;background:rgba(20,169,122,.12);color:var(--brand-dark);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{
  font-size:clamp(24px,2.2vw,32px);line-height:1.28;font-weight:700;margin-top:14px;
}
.section-head p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted)}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;
}

/* 时间轴 */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;background:var(--line);
}
.tl-item{position:relative;padding-left:76px;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;background:#fff;border:1px solid var(--line);
  color:var(--brand-dark);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-item h3{font-size:20px;line-height:1.35;font-weight:700}
.tl-item p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--muted);max-width:62em}
.tl-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:14px;font-weight:700;color:var(--brand-dark);
}
.tl-link:hover{color:var(--accent)}

/* 对比卡 */
.compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.compare-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-soft);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.compare-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.badge-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:8px;
  background:#F1F8F4;border:1px solid rgba(20,169,122,.25);color:var(--brand-dark);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.compare-card h3{margin-top:14px;font-size:17px;line-height:1.45;font-weight:700}
.compare-card dl{margin:16px 0 0}
.compare-card dt{
  font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--muted);margin-top:14px;
}
.compare-card dd{margin:6px 0 0;font-size:14px;line-height:1.75;color:var(--text)}
.compare-card dd:first-of-type{margin-top:6px}

/* 图文分栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:14px;
  border:1px solid var(--line);box-shadow:var(--shadow-soft);
}
.split h2{font-size:clamp(24px,2.2vw,32px);line-height:1.28}
.split p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--muted)}
.check-list{margin-top:22px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.8;color:var(--text)}
.check-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  background:rgba(20,169,122,.12);color:var(--brand-dark);margin-top:3px;
}
.check-list strong{color:var(--ink)}

/* 表单 */
.feedback-wrap{
  display:grid;grid-template-columns:0.85fr 1.15fr;gap:40px;align-items:start;
}
.feedback-intro h2{font-size:clamp(24px,2.2vw,32px);line-height:1.28;margin-top:14px}
.feedback-intro p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--muted)}
.notice{
  margin-top:22px;padding:16px 18px;border-radius:14px;background:#FFF6EE;
  border:1px solid rgba(255,122,26,.28);font-size:14px;line-height:1.75;color:#7A4310;
}
.fb-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-soft)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column}
.field--full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;
  padding:11px 14px;font-family:inherit;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.75}
.field input::placeholder,.field textarea::placeholder{color:#96A099}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,169,122,.15);
}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
.form-actions .btn-accent{width:200px}
.form-hint{font-size:13px;line-height:1.7;color:var(--muted)}

/* FAQ */
.faq-acc{display:grid;gap:12px;margin-top:8px}
.acc-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.acc-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-soft)}
.acc-btn{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 20px 18px 22px;background:#fff;border:0;cursor:pointer;
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);text-align:left;
}
.acc-btn::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:transparent;transition:background-color .2s ease;
}
.acc-btn[aria-expanded="true"]::before{background:var(--brand)}
.acc-chev{flex:0 0 auto;color:var(--muted);transition:transform .25s ease}
.acc-btn[aria-expanded="true"] .acc-chev{transform:rotate(180deg);color:var(--brand-dark)}
.acc-body{padding:0 22px 20px 22px;font-size:15px;line-height:1.8;color:var(--muted)}
.acc-body p{margin-bottom:.8em}
.acc-body p:last-child{margin-bottom:0}

/* CTA 卡 */
.cta-card{
  background:var(--deep);border-radius:20px;padding:40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-card h2{font-size:clamp(22px,2vw,28px);line-height:1.3;color:#fff}
.cta-card p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);max-width:46em}
.cta-card .btn-accent{flex:0 0 auto}

/* 页脚 */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding-top:64px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.site-footer .brand{margin-bottom:16px}
.site-footer .brand-mark{background:rgba(255,255,255,.1);color:#fff}
.site-footer .brand-text{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:34em}
.footer-kw{
  display:inline-block;margin-top:14px;padding:6px 12px;border-radius:8px;
  background:rgba(255,255,255,.08);font-size:12px;font-weight:700;letter-spacing:.06em;
  color:rgba(255,255,255,.85);
}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:10px}
.footer-bottom{
  margin-top:48px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;line-height:1.7;color:rgba(255,255,255,.6);
}

/* 底部固定转化条 */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;height:60px;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -10px 26px -20px rgba(16,24,32,.6);
  opacity:0;transform:translateY(100%);
  transition:opacity .22s ease,transform .22s ease;
}
.mobile-cta.show{opacity:1;transform:none}
.mobile-cta span{font-size:14px;font-weight:600;color:var(--ink)}
.mobile-cta .btn-accent{min-height:40px;padding:0 18px;font-size:14px}

/* 响应式 */
@media (max-width:1199px){
  .compare-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .nav-links{display:none}
  .search-toggle{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-wrap{height:56px;gap:14px}
  .nav-right{margin-left:auto}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .split{grid-template-columns:1fr;gap:28px}
  .split-img{aspect-ratio:16/10}
  .feedback-wrap{grid-template-columns:1fr;gap:30px}
  .cta-card{padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .page-hero-inner{min-height:240px}
}
@media (max-width:767px){
  body{padding-bottom:72px}
  .container{padding-left:18px;padding-right:18px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .section-head--row{flex-direction:column;align-items:flex-start}
  .compare-grid{
    display:flex;gap:16px;overflow-x:auto;padding-bottom:8px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .compare-card{flex:0 0 84%;scroll-snap-align:start}
  .timeline::before{left:19px}
  .tl-item{padding-left:60px}
  .tl-num{width:40px;height:40px;border-radius:12px;font-size:14px}
  .form-grid{grid-template-columns:1fr}
  .form-actions .btn-accent{width:100%}
  .fb-form{padding:22px 18px}
  .cta-card{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .cta-card .btn-accent{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:56px;padding-top:48px}
  .mobile-cta{display:flex}
  .accordion .acc-btn{font-size:16px;padding:16px 16px 16px 20px}
  .acc-body{padding:0 18px 18px 20px}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .page-hero h1{font-size:28px}
  .hero-sub{font-size:15px}
}

/* roulang page: category1 */
:root{
  --bs-primary:#14A97A;
  --bs-primary-rgb:20,169,122;
  --bs-link-color:#14A97A;
  --bs-link-hover-color:#0f8a63;
  --bs-body-bg:#F7F8F4;
  --bs-body-color:#101820;
  --bs-border-color:#E3E7DD;
  --bs-border-radius:14px;
  --bs-border-radius-lg:16px;
  --bs-btn-border-radius:999px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --brand:#14A97A;
  --brand-dark:#0A2E24;
  --accent:#FF7A1A;
  --bg:#F7F8F4;
  --surface:#FFFFFF;
  --line:#E3E7DD;
  --line-strong:#CFD8CD;
  --ink:#101820;
  --ink-2:#5F6B63;
  --ink-3:#3A423C;
  --brand-soft:#F1F8F4;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --shadow-sm:0 1px 2px rgba(16,24,32,.05),0 10px 28px -18px rgba(16,24,32,.18);
  --shadow-md:0 2px 6px rgba(16,24,32,.07),0 18px 36px -20px rgba(16,24,32,.26);
  --tr:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--tr),
  background-color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr)}
a:hover{color:#0f8a63}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(20,169,122,.55);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-tag{
  display:inline-block;font-size:12px;font-weight:700;line-height:1;
  letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);
  border:1px solid #D8EBE1;border-radius:8px;padding:7px 10px;margin-bottom:14px;
}
.sec-title{font-size:clamp(24px,2.2vw,32px);line-height:1.28}
.sec-sub{margin-top:12px;color:var(--ink-2);font-size:15px;line-height:1.75}
.lead{font-size:17px;color:var(--ink-3);line-height:1.85}
.muted{color:var(--ink-2);font-size:14px;line-height:1.65}
.nd{font-variant-numeric:tabular-nums}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,248,244,.94);
  border-bottom:1px solid transparent;
  transition:background-color var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -22px rgba(16,24,32,.4);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.nav-left{display:flex;align-items:center;gap:36px;min-width:0}
.nav-right{display:flex;align-items:center;gap:14px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:17px;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand-dark);color:#fff;
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{font-weight:700;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;padding:6px 0;font-size:15px;font-weight:600;color:var(--ink-3);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:transparent;transition:background-color var(--tr);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{background:var(--brand)}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--ink-2);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,169,122,.15)}
.nav-search input{
  border:0;outline:0;background:transparent;width:132px;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:#9AA79E}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border:0;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 8px 18px -12px rgba(255,122,26,.75);
  transition:background-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn-cta:hover{background:#ef6c0c;color:#fff;transform:translateY(-2px)}
.btn-cta:active{transform:translateY(1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink);place-items:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-strong)}
.mobile-panel{
  display:none;overflow:hidden;max-height:0;
  transition:max-height 220ms ease;
  border-top:1px solid transparent;
}
.mobile-panel.open{max-height:420px;border-top-color:var(--line)}
.mobile-panel .mp-inner{padding:14px 24px 22px;display:grid;gap:10px}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink-3);font-size:15px;font-weight:600;
}
.mobile-panel a.active{color:var(--brand);border-color:#BFE3D3;background:var(--brand-soft)}
.mobile-panel .btn-cta{width:100%;height:46px;margin-top:4px}

/* ---------- 分类页页头 ---------- */
.page-hero{
  position:relative;min-height:264px;display:flex;align-items:flex-end;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;color:#fff;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,46,36,.88) 0%,rgba(10,46,36,.72) 55%,rgba(10,46,36,.66) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-190px;width:420px;height:420px;
  border:1px solid rgba(255,255,255,.14);border-radius:50%;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px}
.breadcrumb-nav a{color:rgba(255,255,255,.82)}
.breadcrumb-nav a:hover{color:var(--accent)}
.breadcrumb-nav .sep{opacity:.5}
.breadcrumb-nav .current{color:#fff}
.page-hero h1{
  font-size:clamp(30px,3.4vw,46px);line-height:1.18;font-weight:800;color:#fff;
  max-width:760px;
}
.page-hero .hero-line{
  margin-top:14px;max-width:640px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.86)
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  letter-spacing:.06em;line-height:1;padding:7px 10px;border-radius:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;
}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:14px;border:1px solid var(--line);
}
.split-media .float-note{
  position:absolute;left:18px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:14px 18px;box-shadow:var(--shadow-sm);display:flex;gap:20px;
}
.float-note .fn-item{text-align:left}
.float-note .fn-num{font-size:22px;font-weight:800;color:var(--brand);line-height:1.1}
.float-note .fn-label{font-size:12px;color:var(--ink-2);letter-spacing:.04em}
.check-list{list-style:none;margin:22px 0 0;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-3);font-size:15px;line-height:1.75}
.check-list .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;background:var(--brand-soft);
  color:var(--brand);display:grid;place-items:center;margin-top:3px;
}

/* ---------- 要点卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.point-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.point-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.point-card img{width:100%;aspect-ratio:3/2;object-fit:cover}
.pc-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.badge-tag{
  align-self:flex-start;font-size:12px;font-weight:700;line-height:1;letter-spacing:.06em;
  padding:7px 10px;border-radius:8px;background:var(--brand-soft);color:#0E8A63;border:1px solid #D8EBE1;
}
.badge-tag.alt{background:#FFF3E8;color:#C15A0B;border-color:#FBDCC2}
.pc-body h3{font-size:19px;line-height:1.4}
.pc-body p{font-size:15px;color:var(--ink-3);line-height:1.8;margin:0}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:6px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.text-link svg{transition:transform var(--tr)}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- 操作步骤 ---------- */
.steps{list-style:none;display:grid;gap:18px}
.step{
  display:grid;grid-template-columns:64px 1fr;gap:24px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--shadow-sm);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.step:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.step-num{
  font-size:26px;font-weight:800;line-height:1;color:var(--brand);
  font-variant-numeric:tabular-nums;padding-top:4px;
  border-right:1px solid var(--line);padding-right:18px;
}
.step h3{font-size:19px;margin-bottom:8px}
.step p{font-size:15px;color:var(--ink-3);margin:0}
.step .step-meta{margin-top:10px;font-size:13px;color:var(--ink-2)}

/* ---------- 深色数据带 ---------- */
.band{
  background:var(--brand-dark);border-radius:var(--r-card);color:#fff;
  padding:34px 38px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  position:relative;overflow:hidden;
}
.band::after{
  content:"";position:absolute;right:-90px;top:-120px;width:280px;height:280px;
  border:1px solid rgba(255,255,255,.12);border-radius:50%;
}
.band .band-item{position:relative;z-index:2}
.band .band-num{font-size:32px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:#fff}
.band .band-label{margin-top:6px;font-size:14px;color:rgba(255,255,255,.72)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:transparent;border:0;padding:20px 22px;font-size:17px;font-weight:600;
  color:var(--ink);cursor:pointer;
}
.faq-q .bar{width:3px;height:20px;border-radius:2px;background:transparent;flex:0 0 auto;transition:background-color var(--tr)}
.faq-q[aria-expanded="true"] .bar{background:var(--brand)}
.faq-q .chev{margin-left:auto;flex:0 0 auto;color:var(--ink-2);transition:transform 220ms ease}
.faq-q[aria-expanded="true"] .chev{transform:rotate(180deg)}
.faq-q:hover{background:#FBFCF9}
.faq-a{padding:0 22px 22px 61px;font-size:15px;line-height:1.8;color:var(--ink-3)}

/* ---------- CTA ---------- */
.cta-card{
  background:var(--brand-dark);color:#fff;border-radius:var(--r-card);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:360px;height:360px;
  border:1px solid rgba(255,255,255,.12);border-radius:50%;
}
.cta-card h2{color:#fff;font-size:clamp(22px,2vw,28px);line-height:1.3;position:relative;z-index:2}
.cta-card p{margin-top:10px;color:rgba(255,255,255,.78);font-size:15px;max-width:620px;position:relative;z-index:2}
.cta-card .cta-actions{position:relative;z-index:2;flex:0 0 auto}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);border:0;
  background:var(--accent);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 10px 22px -14px rgba(255,122,26,.85);
}
.btn-primary-solid:hover{background:#ef6c0c;color:#fff;transform:translateY(-2px)}
.btn-primary-solid:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);border:1.5px solid var(--brand);
  background:transparent;color:var(--brand);font-size:15px;font-weight:700;
}
.btn-ghost:hover{background:var(--brand);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:#fff;margin-top:96px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.site-footer .brand{color:#fff;font-size:17px}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-mark{background:rgba(255,255,255,.12)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:340px}
.footer-kw{
  display:inline-block;margin-top:16px;font-size:13px;font-weight:700;letter-spacing:.04em;
  padding:7px 12px;border-radius:8px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.86);
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.8}
.footer-bottom{
  margin-top:48px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 移动端固定转化条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;height:60px;z-index:1040;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -8px 22px -16px rgba(16,24,32,.45);
  align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
  transform:translateY(100%);transition:transform 220ms ease;
}
.mobile-bar.is-visible{transform:translateY(0)}
.mobile-bar .mb-text{font-size:13px;font-weight:600;color:var(--ink-3);line-height:1.4}
.mobile-bar .btn-cta{height:40px;padding:0 18px;font-size:14px;flex:0 0 auto}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px}
}
@media (max-width:991px){
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:grid}
  .mobile-panel{display:block}
  .nav-wrap{height:60px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .split{grid-template-columns:1fr;gap:40px}
  .split-media .float-note{position:static;margin-top:16px;justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{flex-direction:column;align-items:flex-start;gap:24px;padding:34px 30px}
  .band{grid-template-columns:1fr 1fr 1fr;padding:28px 26px}
}
@media (max-width:767px){
  body{padding-bottom:72px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .card-grid{grid-template-columns:1fr}
  .step{grid-template-columns:1fr;gap:12px;padding:22px}
  .step-num{border-right:0;padding-right:0;font-size:24px}
  .band{grid-template-columns:1fr;gap:20px;padding:26px 22px}
  .band .band-num{font-size:28px}
  .faq-a{padding:0 20px 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .page-hero{min-height:280px}
  .page-hero h1{font-size:28px}
}
@media (max-width:575px){
  .container{padding:0 18px}
  .brand-text{font-size:15px}
  .nav-right .btn-cta{height:38px;padding:0 16px;font-size:14px}
  .lead{font-size:16px}
  .pc-body{padding:20px}
}