/* roulang page: index */
:root{
  --ink:#14201C;
  --ink-2:#4A5A54;
  --ink-3:#7C8A85;
  --deep:#0F2B23;
  --deep-2:#0A1F19;
  --lime:#C6F24E;
  --lime-soft:rgba(198,242,78,.14);
  --orange:#FF5A1F;
  --orange-d:#E24A12;
  --bg:#F6F5F1;
  --bg-2:#EDEAE3;
  --card:#FFFFFF;
  --line:#E2DED5;
  --line-d:rgba(255,255,255,.14);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh1:0 2px 8px rgba(15,43,35,.06);
  --sh2:0 10px 28px rgba(15,43,35,.10);
  --container:1200px;
  --sec:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow","Inter","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--deep)}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section--tight{padding:72px 0}
.section--sand{background:var(--bg-2)}
.section--deep{background:var(--deep);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:-.2px}
.section-head p{color:var(--ink-2);font-size:15px;max-width:620px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;font-weight:700;color:var(--ink-2);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--lime);display:block}
.eyebrow--light{color:rgba(255,255,255,.72)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:background .2s ease,color .2s ease,transform .15s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--deep)}
.btn-ghost:hover{background:var(--bg-2);color:var(--deep)}
.btn-light{background:#fff;color:var(--deep)}
.btn-light:hover{background:var(--lime);color:var(--deep)}
.btn-outline-light{background:transparent;color:#fff;border:1px solid var(--line-d)}
.btn-outline-light:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--deep);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.btn-link .arw{transition:transform .2s ease}
.btn-link:hover{border-bottom-color:var(--lime)}
.btn-link:hover .arw{transform:translateX(3px)}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:var(--lime-soft);color:var(--deep);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.badge--dark{background:rgba(255,255,255,.10);color:#fff}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh1)}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;transition:height .25s ease;
}
.site-header.is-scrolled .nav-wrap{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;border:2px solid var(--deep);
  display:grid;place-items:center;position:relative;overflow:hidden;background:#fff;
}
.logo-mark::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,var(--lime) 0%,var(--lime) 48%,transparent 48%);
}
.logo-mark::after{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);
  position:absolute;right:7px;bottom:7px;
}
.logo-text{display:flex;align-items:baseline;gap:8px}
.logo-cn{font-size:19px;font-weight:800;letter-spacing:-.4px;color:var(--deep);line-height:1}
.logo-div{width:1px;height:14px;background:var(--line);display:block}
.logo-en{font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--ink-3);text-transform:lowercase;line-height:1}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--deep);background:var(--bg)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--deep);font-weight:800}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-tel{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--ink-2);letter-spacing:.02em}
.nav-tel:hover{color:var(--deep)}
.nav-cta{height:42px;padding:0 20px;font-size:14px}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;background:#fff;
}
.burger span{display:block;width:18px;height:2px;background:var(--deep);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:70;background:var(--deep);
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .32s ease,opacity .28s ease,visibility .28s;
  display:flex;flex-direction:column;padding:88px 24px 32px;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-close{
  position:absolute;top:18px;right:20px;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line-d);color:#fff;font-size:22px;line-height:1;display:grid;place-items:center;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;color:#fff;font-size:19px;font-weight:700;
  border-bottom:1px solid var(--line-d);
}
.drawer-nav a .arw{color:var(--lime);font-size:16px}
.drawer-nav a.active{color:var(--lime)}
.drawer-foot{display:flex;flex-direction:column;gap:12px;padding-top:24px}
.drawer-foot .btn{width:100%}
.drawer-tel{text-align:center;color:rgba(255,255,255,.72);font-family:var(--font-num);font-weight:700;letter-spacing:.04em}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;background:var(--bg);padding:72px 0 80px}
.hero-ring{
  position:absolute;right:-220px;top:-160px;width:620px;height:620px;border-radius:50%;
  border:1px solid rgba(198,242,78,.55);pointer-events:none;
}
.hero-ring.two{right:-140px;top:-80px;width:440px;height:440px;border-color:rgba(15,43,35,.10)}
.hero-inner{
  position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;
}
.hero h1{
  font-size:40px;line-height:1.22;font-weight:800;letter-spacing:-.6px;margin:18px 0 18px;
  max-width:560px;
}
.hero-sub{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}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:0;margin-top:38px;
  border-top:1px solid var(--line);padding-top:20px;max-width:540px;
}
.trust-bar li{
  font-size:14px;font-weight:600;color:var(--ink-2);padding:0 18px;position:relative;
  font-family:var(--font-num);letter-spacing:.02em;
}
.trust-bar li:first-child{padding-left:0}
.trust-bar li + li::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:12px;background:var(--line);
}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--bg-2);box-shadow:var(--sh2)}
.hero-media img{width:100%;height:460px;object-fit:cover;border-radius:var(--r-img)}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-img);
  background:linear-gradient(180deg,rgba(15,43,35,0) 42%,rgba(15,43,35,.55) 100%);
  pointer-events:none;
}
.hero-media-tag{
  position:absolute;right:18px;bottom:18px;z-index:2;
  background:var(--lime);color:var(--deep);border-radius:12px;
  padding:12px 18px;display:flex;align-items:center;gap:10px;
}
.hero-media-tag strong{font-family:var(--font-num);font-size:26px;font-weight:800;line-height:1}
.hero-media-tag span{font-size:12px;font-weight:700;line-height:1.4;max-width:64px}

/* ---------- 痛点条卡 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.pain-item{
  display:flex;gap:20px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;
}
.pain-item:hover{border-color:rgba(198,242,78,.9);box-shadow:var(--sh2);transform:translateY(-2px)}
.pain-num{
  font-family:var(--font-num);font-size:32px;font-weight:800;line-height:1;
  color:rgba(15,43,35,.18);flex-shrink:0;letter-spacing:-1px;
}
.pain-body h3{font-size:18px;font-weight:800;margin-bottom:6px}
.pain-body p{font-size:15px;color:var(--ink-2);line-height:1.75}

/* ---------- 服务方案卡 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .24s ease,border-color .24s ease,transform .24s ease;
}
.svc-card:hover{box-shadow:var(--sh2);border-color:rgba(15,43,35,.24);transform:translateY(-3px)}
.svc-card--7{grid-column:span 7}
.svc-card--5{grid-column:span 5}
.svc-thumb{overflow:hidden;background:var(--bg-2);position:relative}
.svc-thumb img{width:100%;height:230px;object-fit:cover;transition:transform .5s ease}
.svc-card:hover .svc-thumb img{transform:scale(1.03)}
.svc-card--5 .svc-thumb img{height:190px}
.svc-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.svc-body h3{font-size:20px;font-weight:800;letter-spacing:-.2px}
.svc-body p{font-size:15px;color:var(--ink-2);line-height:1.78}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:-2px}
.svc-tags span{
  font-size:12.5px;font-weight:700;color:var(--ink-2);
  background:var(--bg-2);border-radius:999px;padding:4px 12px;
}
.svc-foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.svc-card--flat{
  grid-column:span 5;flex-direction:row;align-items:stretch;gap:0;
}
.svc-card--flat .svc-thumb{width:42%;flex-shrink:0}
.svc-card--flat .svc-thumb img{height:100%;min-height:180px}
.svc-card--flat .svc-body{padding:24px}

/* ---------- 数据区 ---------- */
.stats{
  position:relative;overflow:hidden;
  background:var(--deep);color:#fff;
}
.stats::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.10;
}
.stats::after{
  content:"";position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 1px,transparent 1px 80px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 80px);
  pointer-events:none;
}
.stats .container{position:relative;z-index:2}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:44px}
.stat-item{border-top:2px solid var(--lime);padding-top:20px}
.stat-num{
  font-family:var(--font-num);font-size:56px;font-weight:800;line-height:1;
  color:var(--lime);letter-spacing:-2px;
}
.stat-num small{font-size:20px;font-weight:700;margin-left:4px;letter-spacing:0}
.stat-label{font-size:15px;font-weight:700;margin-top:12px;color:#fff}
.stat-desc{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.7;margin-top:6px}
.stats h2{font-size:30px;font-weight:800;line-height:1.32;max-width:640px;color:#fff}
.stats-intro{font-size:15px;color:rgba(255,255,255,.72);max-width:600px;margin-top:14px}

/* ---------- 流程时间线 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow-grid::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:1px;background:var(--line);
}
.flow-item{position:relative;padding-top:0}
.flow-dot{
  width:52px;height:52px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;font-family:var(--font-num);font-weight:800;font-size:17px;
  color:var(--deep);position:relative;z-index:2;box-shadow:var(--sh1);
}
.flow-item:nth-child(1) .flow-dot{background:var(--lime);border-color:var(--lime)}
.flow-item h3{font-size:18px;font-weight:800;margin:20px 0 8px}
.flow-item p{font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .24s ease,border-color .24s ease,transform .24s ease;
}
.news-card:hover{border-color:rgba(198,242,78,1);box-shadow:var(--sh2);transform:translateY(-2px)}
.news-thumb{display:block;overflow:hidden;background:var(--bg-2)}
.news-thumb img{width:100%;height:186px;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.news-cat{font-size:12.5px;font-weight:700;background:var(--lime-soft);color:var(--deep);border-radius:999px;padding:4px 12px}
.news-date{font-family:var(--font-num);font-size:13px;color:var(--ink-3);letter-spacing:.02em}
.news-body h3{font-size:17px;font-weight:800;line-height:1.55}
.news-body h3 a{display:block}
.news-body h3 a:hover{color:var(--deep)}
.news-sum{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.news-foot span{font-size:13px;color:var(--ink-3)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-shape{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  border:2px solid var(--line);position:relative;
}
.empty-shape::after{
  content:"";position:absolute;inset:16px;border-radius:50%;background:var(--lime);opacity:.8;
}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:360px 1fr;gap:56px;align-items:start}
.faq-side h2{font-size:30px;font-weight:800;line-height:1.3;margin-bottom:16px}
.faq-side p{font-size:15px;color:var(--ink-2);line-height:1.8}
.faq-side .btn{margin-top:24px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:rgba(15,43,35,.26);box-shadow:var(--sh1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);
}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;position:relative;border-radius:50%;
  background:var(--bg-2);transition:background .2s ease,transform .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--deep);border-radius:2px;
  left:50%;top:50%;
}
.faq-icon::before{width:11px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:11px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-icon{background:var(--lime);transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- 表单 / CTA ---------- */
.cta-section{background:var(--bg-2)}
.cta-grid{display:grid;grid-template-columns:1fr 480px;gap:56px;align-items:start}
.cta-copy h2{font-size:32px;font-weight:800;line-height:1.3;letter-spacing:-.3px}
.cta-copy > p{font-size:15.5px;color:var(--ink-2);margin-top:16px;line-height:1.85;max-width:480px}
.cta-points{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.cta-points li::before{
  content:"";width:18px;height:18px;flex-shrink:0;margin-top:5px;border-radius:6px;
  background:var(--lime);box-shadow:inset 0 0 0 4px var(--bg-2);
}
.cta-note{font-size:13px;color:var(--ink-3);margin-top:24px;line-height:1.7}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh1);
}
.form-card h3{font-size:20px;font-weight:800;margin-bottom:6px}
.form-card > p{font-size:13.5px;color:var(--ink-3);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px;color:var(--ink-2)}
.field label .req{color:var(--orange);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#FCFBF9;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#A9B4AF}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:#fff;
  box-shadow:0 0 0 3px rgba(198,242,78,.32);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,31,.14);
}
.err-msg{display:none;font-size:12.5px;color:var(--orange);margin-top:5px}
.field.has-error .err-msg{display:block}
.privacy-row{display:flex;gap:10px;align-items:flex-start;margin:18px 0 20px}
.privacy-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--orange);flex-shrink:0}
.privacy-row label{font-size:13px;color:var(--ink-3);line-height:1.7}
.form-card .btn{width:100%}
.form-msg{display:none;margin-top:14px;font-size:14px;padding:12px 14px;border-radius:10px;line-height:1.7}
.form-msg.is-ok{display:block;background:rgba(198,242,78,.22);color:var(--deep)}
.form-msg.is-bad{display:block;background:rgba(255,90,31,.10);color:#B23A0B}

/* ---------- 弹层 ---------- */
dialog.modal{
  border:0;padding:0;border-radius:var(--r-card);width:min(520px,calc(100vw - 32px));
  max-height:calc(100vh - 48px);overflow:auto;background:#fff;
  box-shadow:0 24px 60px rgba(15,43,35,.30);
}
dialog.modal::backdrop{background:rgba(15,43,35,.55);backdrop-filter:blur(6px)}
.modal-inner{padding:32px;position:relative}
.modal-close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;
  background:var(--bg-2);color:var(--deep);display:grid;place-items:center;font-size:18px;line-height:1;
  transition:background .2s ease;
}
.modal-close:hover{background:var(--lime)}
.modal-inner h3{font-size:21px;font-weight:800;margin-bottom:6px;padding-right:36px}
.modal-inner > p{font-size:13.5px;color:var(--ink-3);margin-bottom:22px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:72px 0 0;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;left:-160px;bottom:-260px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(198,242,78,.20);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:48px;position:relative;z-index:2}
.footer-brand .logo-cn{color:#fff}
.footer-brand .logo-mark{border-color:rgba(255,255,255,.4);background:transparent}
.footer-brand .logo-div{background:rgba(255,255,255,.22)}
.footer-brand .logo-en{color:rgba(255,255,255,.5)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-top:18px;max-width:320px}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:8px;font-size:14px}
.footer-contact a{color:rgba(255,255,255,.86)}
.footer-contact a:hover{color:var(--lime)}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;letter-spacing:.06em;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-d);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);position:relative;z-index:2;
}
.footer-bottom .dot{display:inline-block;width:3px;height:3px;border-radius:50%;background:var(--lime);margin:0 8px;vertical-align:middle}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .hero-ring{display:none}
}
@media (max-width:1024px){
  :root{--sec:72px}
  .nav-links{display:none}
  .nav-tel{display:none}
  .burger{display:flex}
  .nav-cta{display:none}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px;max-width:none}
  .hero-media img{height:340px}
  .svc-card--7,.svc-card--5{grid-column:span 12}
  .svc-card--flat{grid-column:span 12}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .flow-grid::before{display:none}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  :root{--sec:52px}
  .container{padding:0 16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .section-head h2{font-size:23px}
  .hero{padding:44px 0 52px}
  .hero h1{font-size:28px;line-height:1.3;letter-spacing:-.3px}
  .hero-sub{font-size:15.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1;min-width:140px;padding:0 18px}
  .hero-media img{height:260px}
  .hero-media-tag{padding:10px 14px}
  .hero-media-tag strong{font-size:22px}
  .trust-bar li{padding:0 12px;font-size:13px}
  .pain-grid{grid-template-columns:1fr}
  .pain-item{padding:22px}
  .stats h2{font-size:23px}
  .stat-num{font-size:36px}
  .stats-grid{gap:22px}
  .flow-grid{grid-template-columns:1fr;gap:24px}
  .news-grid{grid-template-columns:1fr}
  .svc-body{padding:22px}
  .svc-card--flat{flex-direction:column}
  .svc-card--flat .svc-thumb{width:100%}
  .svc-card--flat .svc-thumb img{min-height:170px}
  .faq-q{padding:17px 18px;font-size:15px}
  .faq-a p{padding:0 18px 20px}
  .cta-copy h2{font-size:24px}
  .form-card{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  dialog.modal{border-radius:16px 16px 0 0;margin:auto 0 0;width:100%;max-width:none}
  .modal-inner{padding:26px 20px 30px}
}
@media (max-width:480px){
  .hero h1{font-size:25px}
  .stat-num{font-size:32px}
  .trust-bar{gap:0}
  .trust-bar li{padding:0 10px;font-size:12.5px}
  .btn{font-size:14px;padding:0 20px}
}

/* roulang page: article */
:root{
  --deep:#0F2B23;
  --lime:#C6F24E;
  --orange:#FF5A1F;
  --orange-dark:#E24A12;
  --ink:#14201C;
  --ink-2:#4A5A54;
  --ink-3:#7C8A85;
  --bg:#F6F5F1;
  --sand:#EDEAE3;
  --card:#FFFFFF;
  --line:#E2DED5;
  --line-dark:rgba(255,255,255,.14);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 2px 8px rgba(15,43,35,.06);
  --sh-2:0 10px 28px rgba(15,43,35,.10);
  --w:1200px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{
  display:flex;align-items:center;gap:32px;
  height:72px;transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  position:relative;width:30px;height:30px;border-radius:9px;
  background:var(--deep);display:inline-block;flex:0 0 auto;
  box-shadow:inset 0 0 0 2px rgba(198,242,78,.25);
}
.logo-mark::after{
  content:"";position:absolute;inset:8px 9px 8px 8px;
  background:var(--lime);border-radius:3px;
  transform:rotate(-18deg);
}
.logo-text{display:inline-flex;align-items:center;gap:10px}
.logo-cn{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--deep)}
.logo-div{width:1px;height:14px;background:var(--line);display:inline-block}
.logo-en{font-size:11px;letter-spacing:.18em;text-transform:lowercase;color:var(--ink-3);font-weight:700}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;flex-wrap:nowrap}
.nav-link{
  position:relative;padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--deep);background:#F7F9F3}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--deep);font-weight:700}
.nav-link.active::after{background:var(--orange)}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.header-tel{font-size:14px;font-weight:700;color:var(--ink-2);letter-spacing:.02em}
.header-tel:hover{color:var(--deep)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .2s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 2px 8px rgba(255,90,31,.22)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--deep);border-color:var(--deep)}
.btn-ghost:hover{background:var(--sand);color:var(--deep)}
.btn-lime{background:var(--lime);color:var(--deep)}
.btn-lime:hover{background:#B8E63C;color:var(--deep);transform:translateY(-1px);box-shadow:0 10px 24px rgba(198,242,78,.28)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.header-cta{height:42px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--deep);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:90;background:#fff;
  padding:88px 24px 32px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .drawer-close{
  position:absolute;top:18px;right:20px;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;font-size:20px;color:var(--deep);cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;border-bottom:1px solid var(--line);
  font-size:19px;font-weight:700;color:var(--ink);
}
.drawer-nav a::after{content:"›";color:var(--ink-3);font-size:20px}
.drawer-nav a.active{color:var(--orange)}
.drawer-foot{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.drawer-foot .btn{width:100%}
.drawer-foot .tel{font-size:15px;font-weight:700;color:var(--ink-2);text-align:center}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--sand);border-bottom:1px solid var(--line)}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:14px 0;font-size:14px;color:var(--ink-3);
}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--deep);text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:3px}
.crumbs .sep{color:#B9C2BD}
.crumbs .current{color:var(--ink-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:52px 0 40px;background:#fff;border-bottom:1px solid var(--line)}
.article-head .inner{max-width:860px}
.article-h1{
  font-size:40px;line-height:1.24;max-width:780px;color:var(--deep);
  font-weight:800;letter-spacing:-.02em;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:24px;padding-top:22px;border-top:1px solid var(--line);
  font-size:14px;color:var(--ink-3);
}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(198,242,78,.22);color:var(--deep);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C8D0CB;display:inline-block}
.article-meta .num{font-family:"Barlow","Inter",system-ui,sans-serif;font-weight:700;letter-spacing:.02em}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 328px;
  gap:48px;align-items:start;padding:56px 0 var(--sec);
}
.article-main{min-width:0;max-width:760px}
.article-body{font-size:16px;line-height:1.95;color:var(--ink)}
.article-body > * + *{margin-top:1.1em}
.article-body h2{
  position:relative;font-size:27px;line-height:1.35;color:var(--deep);
  margin-top:44px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--lime);border-radius:2px;
}
.article-body h3{font-size:20px;margin-top:32px;color:var(--deep);font-weight:800}
.article-body h4{font-size:17px;margin-top:24px;color:var(--ink);font-weight:700}
.article-body p{color:var(--ink)}
.article-body a{color:var(--deep);border-bottom:2px solid var(--lime);font-weight:600}
.article-body a:hover{background:rgba(198,242,78,.28)}
.article-body ul,.article-body ol{margin-top:1.1em;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin:.55em 0}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;
  border-radius:50%;background:var(--lime);box-shadow:inset 0 0 0 1px rgba(15,43,35,.18);
}
.article-body ol{counter-reset:ord}
.article-body ol li{position:relative;padding-left:32px;margin:.6em 0;counter-increment:ord}
.article-body ol li::before{
  content:counter(ord,decimal-leading-zero);
  position:absolute;left:0;top:.15em;
  font-family:"Barlow","Inter",system-ui,sans-serif;font-weight:700;font-size:15px;
  color:var(--deep);
}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--sand);
  border-left:3px solid var(--deep);border-radius:0 12px 12px 0;
  color:var(--ink-2);
}
.article-body blockquote p{margin:0;color:var(--ink-2)}
.article-body figure{margin:1.8em 0}
.article-body img{border-radius:var(--r-img);width:100%;height:auto}
.article-body figcaption{
  margin-top:10px;font-size:13px;color:var(--ink-3);text-align:center;line-height:1.7;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{background:var(--sand);font-weight:700;color:var(--deep)}
.article-body tbody tr:nth-child(even) td{background:#FBFAF7}
.article-body pre{
  margin:1.6em 0;padding:18px 20px;background:var(--sand);border-radius:12px;
  overflow-x:auto;font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  font-size:14px;line-height:1.7;color:var(--deep);
}
.article-body code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  font-size:.92em;background:var(--sand);padding:2px 6px;border-radius:6px;color:var(--deep);
}
.article-body pre code{background:transparent;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.article-body strong{color:var(--deep);font-weight:700}

/* 空态 */
.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;box-shadow:var(--sh-1);
}
.empty-shape{
  width:74px;height:74px;margin:0 auto 22px;border-radius:20px;
  border:2px dashed #CFD8D2;position:relative;
}
.empty-shape::after{
  content:"";position:absolute;inset:20px;border-radius:8px;
  background:var(--lime);opacity:.55;transform:rotate(-16deg);
}
.empty-state h2{font-size:22px;color:var(--deep)}
.empty-state p{margin-top:10px;color:var(--ink-2);font-size:15px}
.empty-state .btn{margin-top:24px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:24px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:800;color:var(--deep);
  margin-bottom:16px;
}
.side-title::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block;
}
.rel-list{display:flex;flex-direction:column;gap:14px}
.rel-item{
  display:flex;gap:12px;padding:8px;border-radius:12px;
  transition:background .2s ease;
}
.rel-item:hover{background:var(--sand)}
.rel-thumb{
  width:96px;height:72px;flex:0 0 96px;border-radius:10px;overflow:hidden;background:var(--sand);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-item:hover .rel-thumb img{transform:scale(1.04)}
.rel-text{min-width:0}
.rel-text .rt-title{
  font-size:14px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-item:hover .rt-title{color:var(--deep)}
.rel-text .rt-meta{margin-top:6px;font-size:12px;color:var(--ink-3)}
.side-cta{
  background:var(--deep);border:1px solid var(--deep);border-radius:var(--r-card);
  padding:26px 22px;color:#fff;position:relative;overflow:hidden;
}
.side-cta::after{
  content:"";position:absolute;right:-56px;bottom:-56px;width:150px;height:150px;
  border-radius:50%;border:1px solid rgba(198,242,78,.35);
}
.side-cta .sc-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(198,242,78,.18);color:var(--lime);font-size:12px;font-weight:700;
}
.side-cta h3{margin-top:14px;font-size:19px;color:#fff;line-height:1.45}
.side-cta p{margin-top:10px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.74)}
.side-cta .btn{margin-top:18px;width:100%}
.side-back{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;font-size:14px;font-weight:700;color:var(--deep);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.side-back:hover{border-color:rgba(198,242,78,.9);box-shadow:var(--sh-2);transform:translateY(-2px)}
.side-back .arrow{transition:transform .2s ease}
.side-back:hover .arrow{transform:translateX(3px)}

/* ---------- 文末相关推荐 ---------- */
.related-band{background:var(--sand);padding:var(--sec) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:30px;color:var(--deep)}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:620px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--deep);
  border-bottom:2px solid var(--lime);padding-bottom:2px;
}
.text-link .arrow{transition:transform .2s ease}
.text-link:hover .arrow{transform:translateX(3px)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.post-card:hover{border-color:rgba(198,242,78,.95);box-shadow:var(--sh-2);transform:translateY(-3px)}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--sand)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-thumb::after{
  content:"";position:absolute;inset:auto 0 0 0;height:52%;
  background:linear-gradient(to top,rgba(15,43,35,.55),rgba(15,43,35,0));
}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-cat{
  position:absolute;left:14px;bottom:14px;z-index:2;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--lime);color:var(--deep);font-size:12px;font-weight:800;
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.post-title{
  font-size:17px;line-height:1.55;color:var(--ink);font-weight:800;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-title{color:var(--deep)}
.post-desc{
  font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.post-foot .go{font-weight:700;color:var(--deep)}
.post-card:hover .post-foot .go{color:var(--orange)}

/* ---------- CTA 横条 ---------- */
.cta-band{background:var(--deep);position:relative;overflow:hidden;padding:64px 0}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;border:1px solid rgba(198,242,78,.28);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:420px;height:420px;
  border-radius:50%;border:1px solid rgba(255,255,255,.08);
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:28px;color:#fff;line-height:1.35;max-width:620px}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;max-width:600px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}

/* ---------- 表单弹层 ---------- */
dialog.plan-dialog{
  border:0;padding:0;border-radius:var(--r-card);width:min(560px,calc(100vw - 32px));
  max-height:calc(100vh - 48px);overflow:auto;box-shadow:0 24px 64px rgba(15,43,35,.28);
  background:#fff;color:var(--ink);
}
dialog.plan-dialog::backdrop{background:rgba(15,43,35,.55);backdrop-filter:blur(6px)}
.dialog-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:26px 28px 0;
}
.dialog-head h2{font-size:22px;color:var(--deep)}
.dialog-head p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.7;max-width:400px}
.dialog-close{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;font-size:18px;color:var(--ink-2);cursor:pointer;transition:all .2s ease;
}
.dialog-close:hover{background:var(--sand);color:var(--deep)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:22px 28px 28px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:700;color:var(--ink-2)}
.field label .req{color:var(--orange);margin-left:2px}
.field input,.field select,.field textarea{
  height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.35);
}
.field .hint{font-size:12.5px;color:var(--ink-3)}
.field .err{font-size:12.5px;color:var(--orange);display:none}
.field.has-error input,.field.has-error select{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,31,.12)}
.field.has-error .err{display:block}
.privacy-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-3);line-height:1.65}
.privacy-row input{width:16px;height:16px;margin-top:3px;flex:0 0 16px;accent-color:var(--orange)}
.form-note{font-size:13.5px;border-radius:10px;padding:12px 14px;display:none}
.form-note.ok{display:block;background:rgba(198,242,78,.22);color:var(--deep)}
.form-note.bad{display:block;background:rgba(255,90,31,.1);color:#B93A0B}
.form-submit{grid-column:1 / -1;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-submit .btn{flex:1 1 180px}
.form-submit span{font-size:12.5px;color:var(--ink-3)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid var(--line-dark);
}
.footer-brand .logo-cn{color:#fff}
.footer-brand .logo-en{color:rgba(255,255,255,.5)}
.footer-brand .logo-div{background:rgba(255,255,255,.2)}
.footer-brand .logo-mark{background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 2px rgba(198,242,78,.35)}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px}
.footer-contact a{color:rgba(255,255,255,.78)}
.footer-contact a:hover{color:var(--lime)}
.footer-contact span{color:rgba(255,255,255,.5)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:800}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--lime)}
.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,.48);
}
.footer-bottom .dot{
  display:inline-block;width:4px;height:4px;border-radius:50%;
  background:var(--lime);margin:0 8px;vertical-align:middle;opacity:.8;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-link{padding:8px 10px;font-size:14px}
  .header-tel{display:none}
}
@media (max-width:1024px){
  :root{--sec:72px}
  .nav-links{display:none}
  .header-tel{display:none}
  .header-actions .header-cta{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:64px;gap:16px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .article-side{position:static}
  .article-h1{font-size:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  :root{--sec:56px}
  .container{padding:0 16px}
  .article-head{padding:36px 0 28px}
  .article-h1{font-size:27px;line-height:1.32}
  .article-body{font-size:15.5px;line-height:1.9}
  .article-body h2{font-size:23px;margin-top:36px}
  .article-body h3{font-size:18px}
  .article-layout{padding:36px 0 56px;gap:32px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .section-head h2{font-size:23px}
  .cta-band{padding:48px 0}
  .cta-inner h2{font-size:22px}
  .form-grid{grid-template-columns:1fr;padding:20px 20px 24px}
  .dialog-head{padding:22px 20px 0}
  .site-footer{padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px}
  dialog.plan-dialog{
    width:100%;max-width:none;margin:auto 0 0;border-radius:16px 16px 0 0;
    max-height:92vh;
  }
}
@media (max-width:520px){
  .logo-cn{font-size:16px}
  .logo-en{display:none}
  .logo-div{display:none}
  .article-meta{gap:8px;font-size:13px}
  .btn{width:100%}
  .header-actions{gap:8px}
  .cta-actions{width:100%}
  .rel-thumb{width:84px;height:64px;flex:0 0 84px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink:#14201C;
  --ink-2:#4A5A54;
  --ink-3:#7C8A85;
  --dark:#0F2B23;
  --lime:#C6F24E;
  --orange:#FF5A1F;
  --orange-dark:#E24A12;
  --bg:#F6F5F1;
  --bg-2:#EDEAE3;
  --card:#FFFFFF;
  --line:#E2DED5;
  --line-dark:rgba(255,255,255,.14);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 2px 8px rgba(15,43,35,.06);
  --sh-2:0 10px 28px rgba(15,43,35,.10);
  --s-1:20px;
  --s-2:32px;
  --s-3:48px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","Barlow","PingFang SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--dark);}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink);}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.num{font-family:var(--font-num);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.5px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(255,255,255,.97);backdrop-filter:blur(8px);}
.header-inner{
  display:flex;align-items:center;gap:var(--s-2);
  height:72px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:30px;height:30px;border-radius:9px;
  background:var(--dark);
  position:relative;display:inline-block;
  border:2px solid var(--lime);
}
.logo-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;
  background:var(--lime);transform:rotate(12deg);
}
.logo-text{display:inline-flex;align-items:center;gap:8px;}
.logo-cn{font-size:18px;font-weight:800;color:var(--dark);letter-spacing:.5px;}
.logo-div{width:1px;height:14px;background:var(--line);display:inline-block;}
.logo-en{font-family:var(--font-num);font-size:12px;font-weight:700;color:var(--ink-3);letter-spacing:.6px;text-transform:lowercase;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--dark);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--dark);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.header-phone{font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--ink-2);letter-spacing:.3px;}
.header-phone:hover{color:var(--dark);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;
  background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:transform .25s ease,background .25s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,top .25s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* drawer */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(15,43,35,.96);
  padding:88px 24px 32px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;color:#fff;font-size:20px;font-weight:700;
  border-bottom:1px solid var(--line-dark);
}
.drawer-links a::after{content:"→";color:var(--lime);font-size:18px;}
.drawer-links a.active{color:var(--lime);}
.drawer-foot{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.drawer-phone{color:#DCE7E2;text-align:center;font-family:var(--font-num);letter-spacing:.5px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 4px 14px rgba(255,90,31,.22);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--dark);border:1px solid var(--dark);}
.btn-ghost:hover{background:var(--bg-2);color:var(--dark);}
.btn-lime{background:var(--lime);color:var(--dark);}
.btn-lime:hover{background:#B8E43E;color:var(--dark);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-arrow::after{content:"→";transition:transform .2s ease;}
.btn-arrow:hover::after{transform:translateX(3px);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 88px;
  background:
    linear-gradient(180deg,rgba(246,245,241,.95) 0%,rgba(246,245,241,.86) 55%,#F6F5F1 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.hero-ring{
  position:absolute;right:-160px;top:-120px;width:520px;height:520px;
  border:1px solid rgba(198,242,78,.55);border-radius:50%;
  pointer-events:none;
}
.hero-ring::after{
  content:"";position:absolute;inset:70px;border:1px solid rgba(15,43,35,.10);border-radius:50%;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--dark);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px;}
.breadcrumb span.sep{color:var(--ink-3);}
.breadcrumb .current{color:var(--ink-2);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(198,242,78,.16);color:var(--dark);
  font-size:13px;font-weight:700;letter-spacing:.3px;
}
.badge-dark{background:rgba(198,242,78,.9);color:var(--dark);}
.page-hero h1{
  font-size:40px;line-height:1.2;margin:20px 0 18px;max-width:620px;
}
.page-hero h1 em{font-style:normal;color:var(--dark);background:linear-gradient(transparent 62%,rgba(198,242,78,.75) 62%);}
.hero-lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px;}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.trust-row{
  display:flex;align-items:center;gap:18px;margin-top:30px;
  font-size:14px;color:var(--ink-2);flex-wrap:wrap;
}
.trust-row span{display:inline-flex;align-items:center;gap:8px;}
.trust-row span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;height:420px;object-fit:cover;border-radius:var(--r-card);
  box-shadow:var(--sh-2);
}
.hero-figure::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(15,43,35,0) 45%,rgba(15,43,35,.55) 100%);
  pointer-events:none;
}
.hero-chip{
  position:absolute;right:18px;bottom:18px;z-index:2;
  background:var(--lime);color:var(--dark);
  border-radius:12px;padding:14px 18px;
  box-shadow:0 8px 20px rgba(15,43,35,.22);
}
.hero-chip b{display:block;font-family:var(--font-num);font-size:28px;line-height:1;}
.hero-chip small{display:block;font-size:12px;font-weight:600;margin-top:6px;letter-spacing:.3px;}

/* ---------- generic section ---------- */
.section{padding:96px 0;}
.section-sand{background:var(--bg-2);}
.section-dark{background:var(--dark);color:#fff;}
.section-head{max-width:760px;margin-bottom:var(--s-3);}
.section-head h2{font-size:30px;line-height:1.3;margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;}
.section-dark .section-head p{color:#C3D3CD;}
.eyebrow{
  display:inline-block;font-family:var(--font-num);font-size:13px;font-weight:700;
  letter-spacing:2px;color:var(--ink-3);text-transform:uppercase;margin-bottom:12px;
}

/* pain list */
.pain-list{display:flex;flex-direction:column;gap:16px;}
.pain-item{
  display:grid;grid-template-columns:72px 1fr;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 28px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.pain-item:hover{border-color:rgba(198,242,78,.9);box-shadow:var(--sh-2);transform:translateY(-2px);}
.pain-num{
  font-family:var(--font-num);font-size:34px;font-weight:700;line-height:1;
  color:var(--ink);opacity:.28;
}
.pain-item h3{font-size:19px;margin-bottom:6px;}
.pain-item p{color:var(--ink-2);font-size:15px;line-height:1.75;}

/* solutions */
.solution-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:24px;}
.sol-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sol-card:hover{border-color:rgba(198,242,78,.9);box-shadow:var(--sh-2);}
.sol-thumb{overflow:hidden;border-radius:var(--r-img);margin-bottom:22px;}
.sol-thumb img{width:100%;height:250px;object-fit:cover;transition:transform .4s ease;}
.sol-card:hover .sol-thumb img{transform:scale(1.02);}
.sol-card h3{font-size:21px;margin-bottom:10px;}
.sol-card p{color:var(--ink-2);font-size:15px;line-height:1.8;margin-bottom:16px;}
.sol-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--bg-2);color:var(--ink-2);font-size:13px;font-weight:600;
}
.spec-card{
  background:var(--dark);color:#fff;border-radius:var(--r-card);
  padding:30px;display:flex;flex-direction:column;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
}
.spec-card h3{font-size:20px;color:#fff;margin-bottom:18px;}
.spec-list{display:flex;flex-direction:column;gap:14px;margin-bottom:24px;}
.spec-list li{
  display:flex;gap:12px;font-size:15px;line-height:1.7;color:#DCE7E2;
  padding-bottom:14px;border-bottom:1px solid var(--line-dark);
}
.spec-list li:last-child{border-bottom:0;padding-bottom:0;}
.spec-list li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);flex:0 0 auto;margin-top:10px;transform:rotate(45deg);}
.spec-card .btn{margin-top:auto;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(198,242,78,.9);}
.step-num{
  font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--dark);
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:14px;background:var(--lime);margin-bottom:18px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* stats */
.stats-band{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.stat{border-left:4px solid var(--lime);padding-left:18px;}
.stat b{display:block;font-family:var(--font-num);font-size:44px;line-height:1;color:var(--dark);letter-spacing:-1px;}
.stat strong{display:block;font-size:15px;margin-top:10px;color:var(--ink);}
.stat span{display:block;font-size:13px;color:var(--ink-3);line-height:1.7;margin-top:6px;}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:rgba(15,43,35,.18);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-q:hover{color:var(--dark);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  position:relative;transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px;}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a p{padding:0 24px 24px;color:var(--ink-2);font-size:15px;line-height:1.85;}

/* related */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.related-card:hover{border-color:rgba(198,242,78,.9);box-shadow:var(--sh-2);}
.related-card .thumb{flex:0 0 96px;width:96px;height:72px;border-radius:10px;overflow:hidden;}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;}
.related-card h3{font-size:15px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.related-card small{font-size:12px;color:var(--ink-3);}

/* cta */
.cta-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:24px;align-items:stretch;}
.cta-panel{
  background:var(--dark);color:#fff;border-radius:var(--r-card);padding:40px;
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-90px;bottom:-110px;width:280px;height:280px;
  border:1px solid rgba(198,242,78,.35);border-radius:50%;
}
.cta-panel h2{font-size:28px;color:#fff;margin-bottom:16px;line-height:1.35;}
.cta-panel ul{display:flex;flex-direction:column;gap:12px;margin:22px 0 26px;position:relative;z-index:1;}
.cta-panel li{display:flex;gap:10px;font-size:15px;color:#DCE7E2;line-height:1.75;}
.cta-panel li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto;margin-top:9px;}
.cta-note{font-size:13px;color:#9FB6AE;line-height:1.7;position:relative;z-index:1;}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px;box-shadow:var(--sh-1);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-sub{font-size:14px;color:var(--ink-3);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--ink-2);}
.field label .req{color:var(--orange);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#CFC9BD;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.32);
}
.field.error input,.field.error select{border-color:var(--orange);}
.field .err-msg{display:none;font-size:13px;color:var(--orange);margin-top:6px;}
.field.error .err-msg{display:block;}
.privacy{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-3);line-height:1.7;margin:6px 0 18px;}
.privacy input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--orange);}
.form-note{font-size:14px;margin-top:14px;display:none;padding:12px 14px;border-radius:10px;line-height:1.7;}
.form-note.is-ok{display:block;background:rgba(198,242,78,.24);color:#2C453B;}
.form-note.is-err{display:block;background:rgba(255,90,31,.12);color:#B93C0C;}

/* dialog */
dialog{
  border:0;padding:0;border-radius:var(--r-card);
  width:calc(100% - 32px);max-width:560px;background:transparent;
}
dialog::backdrop{background:rgba(15,43,35,.55);backdrop-filter:blur(6px);}
.dialog-inner{
  position:relative;background:var(--card);border-radius:var(--r-card);
  padding:32px;max-height:88vh;overflow:auto;
}
.dialog-close{
  position:absolute;right:14px;top:14px;width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-2);color:var(--ink-2);font-size:18px;line-height:1;
}
.dialog-close:hover{background:var(--lime);color:var(--dark);}
.dialog-inner h3{font-size:21px;margin-bottom:6px;padding-right:40px;}
.dialog-inner p.dialog-sub{font-size:14px;color:var(--ink-3);margin-bottom:22px;}

/* footer */
.site-footer{background:var(--dark);color:#DCE7E2;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.site-footer .logo-cn{color:#fff;}
.site-footer .logo-div{background:rgba(255,255,255,.2);}
.site-footer .logo-en{color:#9FB6AE;}
.site-footer .logo-mark{background:#12291F;}
.footer-desc{font-size:14px;line-height:1.85;color:#A9BDB6;margin:18px 0 20px;max-width:360px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:14px;color:#A9BDB6;}
.footer-contact a{color:#DCE7E2;}
.footer-contact a:hover{color:var(--lime);}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#A9BDB6;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA79F;
}
.footer-bottom .dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--lime);margin:0 8px;vertical-align:middle;}

/* fallback image */
.img-fallback{background:var(--bg-2);border-radius:var(--r-img);}

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

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .hero-ring{right:-220px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-phone{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure img{height:340px;}
  .solution-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stats-band{grid-template-columns:repeat(2,1fr);padding:32px;}
  .related-grid{grid-template-columns:1fr; }
  .cta-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .header-inner{height:64px;}
  .site-header.is-scrolled .header-inner{height:58px;}
  .page-hero{padding:40px 0 56px;}
  .page-hero h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .hero-figure img{height:260px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:23px;}
  .pain-item{grid-template-columns:52px 1fr;gap:16px;padding:20px;}
  .pain-num{font-size:26px;}
  .sol-thumb img{height:200px;}
  .steps{grid-template-columns:1fr;}
  .stats-band{grid-template-columns:1fr;gap:22px;padding:26px;}
  .stat b{font-size:36px;}
  .cta-panel,.form-card{padding:26px;}
  .cta-panel h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .related-card .thumb{flex:0 0 80px;width:80px;height:64px;}
  .hero-chip b{font-size:22px;}
  dialog{width:100%;max-width:none;margin:auto auto 0;border-radius:16px 16px 0 0;}
  .dialog-inner{border-radius:16px 16px 0 0;padding:26px 20px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .trust-row{font-size:13px;gap:12px;}
  .btn{height:46px;padding:0 20px;font-size:14px;}
  .faq-q{font-size:15px;padding:18px 18px;}
  .faq-a p{padding:0 18px 20px;font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#14201C;
  --ink-2:#4A5A54;
  --ink-3:#7C8A85;
  --dark:#0F2B23;
  --lime:#C6F24E;
  --lime-deep:#7FAE12;
  --orange:#FF5A1F;
  --bg:#F6F5F1;
  --sand:#EDEAE3;
  --card:#FFFFFF;
  --line:#E2DED5;
  --line-dark:rgba(255,255,255,.14);
  --radius:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-1:0 2px 8px rgba(15,43,35,.06);
  --shadow-2:0 10px 28px rgba(15,43,35,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;background:var(--sand)}
a{color:var(--ink);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--dark)}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,figure{margin:0}
ul,ol{padding:0}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* 通用组件 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#E84E14;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;border-color:var(--dark);color:var(--dark)}
.btn-ghost:hover{background:var(--sand);color:var(--dark)}
.btn-lime{background:var(--lime);color:var(--dark)}
.btn-lime:hover{background:#D4F86E;color:var(--dark);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.7)}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  background:rgba(198,242,78,.24);color:var(--dark);
}
.badge-dark{background:rgba(198,242,78,.18);color:var(--lime)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--dark)}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover span{transform:translateX(4px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--ink-3);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime-deep);display:block}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-2)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .22s ease}
.site-header.is-scrolled .header-inner{height:62px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  position:relative;width:34px;height:34px;border-radius:50%;
  border:2px solid var(--dark);display:block;flex-shrink:0;
}
.logo-mark::before{
  content:"";position:absolute;inset:5px;border-radius:50%;
  border:2px solid var(--lime-deep);
}
.logo-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;
  margin:-3px 0 0 -3px;border-radius:50%;background:var(--dark);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-cn{font-size:17px;font-weight:800;letter-spacing:.4px;color:var(--ink)}
.logo-div{display:block;width:100%;height:1px;background:var(--line);margin:4px 0 3px}
.logo-en{font-size:10px;font-weight:600;letter-spacing:.2em;color:var(--ink-3);text-transform:lowercase}
.nav-links{display:flex;align-items:center;gap:2px;margin-right:auto}
.nav-link{
  position:relative;display:block;padding:9px 14px;border-radius:8px;
  font-size:15px;color:var(--ink-2);transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime-deep);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--dark);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}
.header-tel{font-size:15px;font-weight:700;color:var(--dark);letter-spacing:.02em}
.header-tel:hover{color:var(--orange)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:10px;background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--dark);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle:hover{border-color:var(--lime-deep)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;background:#fff;
  display:flex;flex-direction:column;padding:20px 24px 28px;
  transform:translateY(-102%);transition:transform .3s ease;
  visibility:hidden;
}
.mobile-drawer.open{transform:translateY(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:17px;font-weight:800;color:var(--ink)}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;font-size:22px;line-height:1;cursor:pointer;color:var(--ink-2);
}
.drawer-close:hover{background:var(--sand)}
.drawer-nav{display:flex;flex-direction:column;margin-top:12px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;border-bottom:1px solid var(--line);
  font-size:19px;font-weight:700;color:var(--ink);
}
.drawer-nav a span{color:var(--ink-3);font-size:16px;font-weight:400}
.drawer-nav a.active{color:var(--dark)}
.drawer-nav a.active span{color:var(--lime-deep)}
.drawer-foot{margin-top:auto;display:grid;gap:14px;padding-top:24px}
.drawer-tel{text-align:center;font-size:16px;font-weight:700;color:var(--dark)}

/* Hero */
.hero{position:relative;padding:56px 0 76px;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%)}
.hero::before{
  content:"";position:absolute;top:-10%;right:-12%;width:760px;height:760px;
  background-image:linear-gradient(to right,rgba(15,43,35,.055) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(15,43,35,.055) 1px,transparent 1px);
  background-size:68px 68px;
  transform:rotate(-8deg);
  pointer-events:none;
  -webkit-mask-image:radial-gradient(circle at 60% 40%,#000 20%,transparent 72%);
          mask-image:radial-gradient(circle at 60% 40%,#000 20%,transparent 72%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:22px}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--dark)}
.crumb i{font-style:normal;color:#C3CBC6}
.hero h1{
  font-size:40px;line-height:1.22;font-weight:800;letter-spacing:-.4px;
  max-width:560px;margin:16px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--dark);box-shadow:inset 0 -10px 0 rgba(198,242,78,.55)}
.hero-sub{font-size:16px;line-height:1.85;color:var(--ink-2);max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;margin-top:32px;padding-top:22px;border-top:1px solid var(--line);list-style:none}
.hero-trust li{
  padding:0 20px;border-left:1px solid var(--line);
  font-size:14px;color:var(--ink-2);line-height:1.6;
}
.hero-trust li:first-child{padding-left:0;border-left:0}
.hero-trust strong{display:block;font-size:15px;color:var(--ink);font-weight:700}
.hero-figure{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--shadow-2);background:var(--sand);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,43,35,.60) 0%,rgba(15,43,35,.06) 58%,transparent 100%);
}
.hero-figure-cap{
  position:absolute;left:20px;top:20px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--dark);font-size:13px;font-weight:700;
}
.hero-stat{
  position:absolute;right:20px;bottom:20px;z-index:2;
  background:var(--lime);color:var(--dark);border-radius:var(--radius-sm);
  padding:14px 20px;box-shadow:var(--shadow-1);
}
.hero-stat strong{display:block;font-size:30px;line-height:1;font-weight:800}
.hero-stat span{display:block;font-size:13px;font-weight:700;margin-top:6px}

/* 板块 */
.section{padding:96px 0}
.section-sand{background:var(--sand)}
.section-white{background:#fff}
.section-dark{background:var(--dark);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:-.2px;margin-bottom:10px}
.section-head p{font-size:16px;color:var(--ink-2);max-width:660px}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:rgba(255,255,255,.66)}
.section-dark .eyebrow{color:rgba(255,255,255,.55)}
.section-dark .eyebrow::before{background:var(--lime)}

/* 场景痛点条卡 */
.pain-list{display:grid;gap:16px;list-style:none}
.pain-item{
  display:grid;grid-template-columns:86px 1fr auto;gap:26px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 30px;transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.pain-item:hover{border-color:rgba(127,174,18,.5);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.pain-num{font-size:34px;line-height:1;font-weight:800;color:var(--lime-deep);opacity:.9}
.pain-item h3{font-size:19px;font-weight:700;margin-bottom:4px}
.pain-item p{font-size:15px;color:var(--ink-2);line-height:1.75}
.pain-tag{font-size:13px;color:var(--ink-3);white-space:nowrap}

/* 方案模块 */
.solution-grid{display:grid;grid-template-columns:1.28fr .72fr;gap:24px}
.solution-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.card:hover{border-color:rgba(127,174,18,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,43,35,.55) 0%,rgba(15,43,35,0) 62%);
}
.card-media-tag{position:absolute;left:18px;bottom:16px;z-index:2}
.card-body{padding:26px 28px 28px}
.card-body h3{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:10px}
.card-body p{font-size:15px;color:var(--ink-2);line-height:1.8}
.card-body .link-arrow{margin-top:18px}
.card-big .card-media{aspect-ratio:16/9}
.card-big .card-body h3{font-size:22px}
.card-small .card-media{aspect-ratio:16/10}
.checklist{list-style:none;display:grid;gap:14px;margin-top:22px}
.checklist li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);line-height:1.7}
.checklist li::before{
  content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;
  border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(198,242,78,.24);
}
.checklist li strong{color:var(--ink);font-weight:700}
.side-card{
  background:var(--dark);color:#fff;border-radius:var(--radius);padding:32px 30px;
  display:flex;flex-direction:column;height:100%;
}
.side-card h3{font-size:20px;font-weight:800;margin-bottom:10px}
.side-card p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8}
.side-card .checklist{margin-top:20px;gap:12px}
.side-card .checklist li{color:rgba(255,255,255,.82);font-size:14px}
.side-card .checklist li strong{color:#fff}
.side-card .btn{margin-top:26px}
.param-box{margin-top:26px;border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:grid;gap:10px}
.param-row{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.72)}
.param-row b{color:var(--lime);font-weight:700}

/* 数据条 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:6px 28px;border-left:1px solid rgba(15,43,35,.12)}
.stat-item:first-child{padding-left:0;border-left:0}
.stat-num{font-size:56px;line-height:1;font-weight:800;color:var(--lime-deep)}
.stat-num small{font-size:22px;font-weight:700;margin-left:2px}
.stat-item h3{font-size:16px;font-weight:700;margin:14px 0 6px;color:var(--ink)}
.stat-item p{font-size:14px;color:var(--ink-2);line-height:1.7}

/* 流程 */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;list-style:none}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px 26px;transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.step:hover{border-color:rgba(127,174,18,.55);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;background:var(--sand);
  color:var(--dark);font-size:17px;font-weight:800;margin-bottom:18px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75}
.step-time{display:inline-block;margin-top:16px;font-size:12px;font-weight:700;color:var(--lime-deep);letter-spacing:.04em}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start}
.faq-aside h2{font-size:30px;line-height:1.3;font-weight:800;margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--ink-2);line-height:1.85;max-width:380px}
.faq-aside .btn{margin-top:26px}
.faq{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.open{border-color:rgba(127,174,18,.55);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:8px;background:var(--sand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--dark);transition:transform .22s ease,background .22s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--lime)}
.faq-a{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;display:none}
.faq-item.open .faq-a{display:block}

/* 相关阅读 */
.read-list{display:grid;gap:14px;list-style:none}
.read-item a{
  display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center;
  padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.read-item a:hover{background:var(--sand);border-color:rgba(127,174,18,.5);box-shadow:var(--shadow-1)}
.read-thumb{width:110px;height:78px;border-radius:10px;overflow:hidden;background:var(--sand)}
.read-thumb img{width:100%;height:100%;object-fit:cover}
.read-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:6px;color:var(--ink)}
.read-body p{font-size:14px;color:var(--ink-2);line-height:1.6}
.read-meta{font-size:13px;color:var(--ink-3);white-space:nowrap;text-align:right}
.read-meta em{display:block;font-style:normal;color:var(--lime-deep);font-weight:700;margin-bottom:4px}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);border-radius:20px;
  padding:56px;color:#fff;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;right:-140px;top:-140px;width:460px;height:460px;
  border:1px solid rgba(198,242,78,.4);border-radius:50%;pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:300px;height:300px;
  border:1px solid rgba(198,242,78,.22);border-radius:50%;pointer-events:none;
}
.cta-band h2{font-size:30px;line-height:1.32;font-weight:800;margin-bottom:14px;position:relative}
.cta-band p{font-size:15px;color:rgba(255,255,255,.7);line-height:1.85;max-width:520px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.5);text-align:right;position:relative}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr .85fr .85fr .85fr;gap:40px;padding-bottom:48px}
.site-footer .logo-cn{color:#fff}
.site-footer .logo-mark{border-color:rgba(255,255,255,.5)}
.site-footer .logo-mark::before{border-color:var(--lime)}
.site-footer .logo-mark::after{background:var(--lime)}
.site-footer .logo-div{background:rgba(255,255,255,.2)}
.site-footer .logo-en{color:rgba(255,255,255,.5)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:18px 0 20px;max-width:350px}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:14px}
.footer-contact a{color:rgba(255,255,255,.78)}
.footer-contact a:hover{color:var(--lime)}
.footer-contact span{color:rgba(255,255,255,.5)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}
.dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--lime);margin:0 8px;vertical-align:middle}

/* 弹层 */
.lead-dialog{
  border:0;border-radius:var(--radius);padding:0;width:calc(100% - 32px);max-width:540px;
  box-shadow:0 24px 60px rgba(15,43,35,.28);background:#fff;
}
.lead-dialog::backdrop{background:rgba(15,43,35,.55);backdrop-filter:blur(8px)}
.lead-form{padding:32px}
.dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.dialog-head h3{font-size:21px;font-weight:800;line-height:1.4}
.dialog-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;font-size:20px;line-height:1;cursor:pointer;color:var(--ink-2);flex-shrink:0;
}
.dialog-close:hover{background:var(--sand)}
.dialog-sub{font-size:14px;color:var(--ink-2);margin:10px 0 22px;line-height:1.75}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--ink);font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime-deep);box-shadow:0 0 0 3px rgba(198,242,78,.35);
}
.field input.is-error,.field select.is-error{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,31,.14)}
.privacy{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-3);line-height:1.7;margin:6px 0 20px}
.privacy input{margin-top:3px;width:16px;height:16px;accent-color:#7FAE12}
.form-tip{margin-top:14px;font-size:14px;line-height:1.7;min-height:0}
.form-tip.is-ok{color:#3B7A13}
.form-tip.is-error{color:var(--orange)}

/* 响应式 */
@media (max-width:1180px){
  .header-tel{display:none}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:66px}
  .hero{padding:44px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{max-width:100%;font-size:34px}
  .hero-figure{aspect-ratio:16/10}
  .section{padding:72px 0}
  .solution-grid{grid-template-columns:1fr}
  .solution-row{grid-template-columns:1fr 1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .stat-item:nth-child(3){padding-left:0;border-left:0}
  .process{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:44px;gap:32px}
  .cta-actions{justify-content:flex-start}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .hero h1{font-size:28px;letter-spacing:-.2px}
  .hero-sub{font-size:15px}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .section-head h2{font-size:23px}
  .pain-item{grid-template-columns:56px 1fr;gap:16px;padding:20px 22px}
  .pain-num{font-size:26px}
  .pain-tag{grid-column:2;justify-self:start}
  .solution-row{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr;gap:0}
  .stat-item{padding:22px 0;border-left:0;border-top:1px solid rgba(15,43,35,.12)}
  .stat-item:first-child{padding-top:0;border-top:0}
  .process{grid-template-columns:1fr}
  .read-item a{grid-template-columns:1fr;gap:14px}
  .read-thumb{width:100%;height:150px}
  .read-meta{text-align:left}
  .cta-band{padding:32px 24px;border-radius:16px}
  .cta-band h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-trust li{padding:0 14px}
  .hero-trust li:first-child{padding-left:0}
}
@media (max-width:520px){
  .hero-trust{flex-direction:column;gap:12px}
  .hero-trust li{padding:0;border-left:0}
  .hero-actions .btn{width:100%}
  .hero-stat{padding:10px 14px}
  .hero-stat strong{font-size:24px}
  .lead-dialog{max-width:100%;width:100%;margin:auto 0 0;border-radius:18px 18px 0 0}
  .lead-form{padding:24px 20px 28px}
  .header-actions .btn{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink:#0F2B23;
  --ink-soft:#14352B;
  --lime:#C6F24E;
  --orange:#FF5A1F;
  --orange-dark:#E94F18;
  --bg:#F6F5F1;
  --sand:#EDEAE3;
  --card:#FFFFFF;
  --t1:#14201C;
  --t2:#4A5A54;
  --t3:#7C8A85;
  --line:#E2DED5;
  --line-dark:rgba(255,255,255,.14);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh1:0 2px 8px rgba(15,43,35,.06);
  --sh2:0 10px 28px rgba(15,43,35,.10);
  --section:96px;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--t1);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:var(--section) 0}
.section--sand{background:var(--sand)}
.section--tight{padding-top:72px;padding-bottom:72px}
.section-head{max-width:760px;margin-bottom:48px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--ink);background:rgba(198,242,78,.28);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.section-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ink)}
.section-title{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:-.4px;margin-bottom:14px}
.section-lead{color:var(--t2);font-size:16px;line-height:1.85;max-width:680px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh1)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;border-bottom:0}
.logo-mark{
  width:32px;height:32px;border-radius:9px;flex:none;
  background:var(--ink);
  position:relative;
  box-shadow:inset 0 0 0 2px var(--lime);
}
.logo-mark::after{
  content:"";position:absolute;left:8px;top:8px;width:16px;height:16px;
  border:2px solid var(--lime);border-radius:50%;border-right-color:transparent;transform:rotate(-35deg);
}
.logo-text{display:flex;align-items:center;gap:8px;line-height:1}
.logo-cn{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.2px}
.logo-div{width:1px;height:14px;background:var(--line);display:block}
.logo-en{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--t3);text-transform:lowercase}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;font-weight:500;color:var(--t2);
  border-radius:8px;border-bottom:0;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(237,234,227,.6)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;flex:none;margin-left:auto}
.header-phone{font-size:14px;font-weight:600;color:var(--t2);border-bottom:0;white-space:nowrap}
.header-phone:hover{color:var(--ink);border-bottom:1px solid var(--lime)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;position:relative;padding:0;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  display:none;
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:79;
  background:#fff;border-top:1px solid var(--line);
  padding:24px 20px 32px;
  flex-direction:column;justify-content:space-between;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:flex}
.drawer-nav{display:grid;gap:2px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;font-size:18px;font-weight:600;color:var(--t1);
  border-bottom:1px solid var(--line);border-radius:0;
}
.drawer-link span{color:var(--t3);font-size:18px}
.drawer-link.active{color:var(--ink)}
.drawer-link.active span{color:var(--orange)}
.drawer-foot{display:grid;gap:12px;margin-top:28px}
.drawer-phone{display:block;text-align:center;font-size:15px;font-weight:600;color:var(--t2);padding:10px}
body.drawer-lock{overflow:hidden}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:16px;font-weight:600;line-height:1;
  cursor:pointer;text-align:center;border-bottom-width:1px;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 2px 8px rgba(255,90,31,.18)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--sand);color:var(--ink)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.btn-arrow::after{content:"→";display:inline-block;transition:transform .2s ease}
.btn-arrow:hover::after{transform:translateX(3px)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:56px 0 72px;background:#fff}
.page-hero::after{
  content:"";position:absolute;right:-150px;top:-140px;width:420px;height:420px;
  border:1px solid rgba(198,242,78,.85);border-radius:50%;pointer-events:none;
}
.page-hero::before{
  content:"";position:absolute;right:60px;top:40px;width:200px;height:200px;
  border:1px solid rgba(15,43,35,.08);border-radius:50%;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--t3);margin-bottom:22px}
.breadcrumb a{color:var(--t3);border-bottom:0}
.breadcrumb a:hover{color:var(--ink);border-bottom:1px solid var(--lime)}
.breadcrumb .sep{color:#BFB9AC}
.breadcrumb .current{color:var(--t2)}
.hero-badge{
  display:inline-flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-size:13px;font-weight:600;color:var(--ink);
  background:rgba(198,242,78,.3);border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero-title{font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-.8px;color:var(--ink);margin-bottom:18px}
.hero-title em{font-style:normal;color:var(--ink);background:linear-gradient(180deg,transparent 62%,rgba(198,242,78,.85) 62%)}
.hero-sub{font-size:16px;line-height:1.9;color:var(--t2);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-facts{display:flex;flex-wrap:wrap;align-items:center;gap:0;font-size:14px;color:var(--t2)}
.hero-facts span{display:inline-flex;align-items:center}
.hero-facts span + span::before{content:"";width:1px;height:12px;background:var(--line);margin:0 14px;display:inline-block}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh2);aspect-ratio:4/3;background:var(--sand);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,43,35,0) 40%,rgba(15,43,35,.55) 100%);
  pointer-events:none;
}
.hero-chip{
  position:absolute;right:20px;bottom:20px;z-index:3;
  background:var(--lime);color:var(--ink);
  border-radius:12px;padding:12px 18px;line-height:1.2;
  box-shadow:0 8px 20px rgba(15,43,35,.18);
}
.hero-chip strong{display:block;font-size:24px;font-weight:800;letter-spacing:-.5px}
.hero-chip span{font-size:12px;font-weight:600;color:var(--ink-soft)}

/* ---------- strip list ---------- */
.strip-list{display:grid;gap:16px}
.strip-item{
  display:grid;grid-template-columns:56px 220px 1fr;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 28px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.strip-item:hover{border-color:rgba(198,242,78,.95);box-shadow:var(--sh1);transform:translateY(-1px)}
.strip-num{
  width:44px;height:44px;border-radius:999px;display:grid;place-items:center;
  background:rgba(198,242,78,.32);color:var(--ink);
  font-size:14px;font-weight:800;letter-spacing:.04em;
}
.strip-title{font-size:17px;font-weight:700;color:var(--t1);line-height:1.5}
.strip-desc{font-size:15px;color:var(--t2);line-height:1.8}

/* ---------- program ---------- */
.program-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.program-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.program-card:hover{border-color:rgba(198,242,78,.95);box-shadow:var(--sh2);transform:translateY(-2px)}
.program-media{overflow:hidden;background:var(--sand)}
.program-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.program-card:hover .program-media img{transform:scale(1.03)}
.program-card--main .program-media{aspect-ratio:16/9}
.program-card--side .program-media{aspect-ratio:16/10}
.program-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--ink);
  background:rgba(198,242,78,.3);border-radius:999px;padding:4px 12px;width:max-content;
}
.program-title{font-size:20px;line-height:1.45;font-weight:800;color:var(--ink)}
.program-text{font-size:15px;color:var(--t2);line-height:1.85}
.program-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--ink);border-bottom:0;width:max-content;
}
.program-link::after{content:"→";transition:transform .2s ease}
.program-link:hover{border-bottom:1px solid var(--lime)}
.program-link:hover::after{transform:translateX(3px)}
.program-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
.program-mini{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 28px;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.program-mini:hover{border-color:rgba(198,242,78,.95);box-shadow:var(--sh1)}
.mini-num{font-size:34px;font-weight:800;line-height:1;color:rgba(15,43,35,.15);letter-spacing:-1px}
.program-mini h3{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--t1)}
.program-mini p{font-size:14px;color:var(--t2);line-height:1.8}

.checklist-panel{
  margin-top:24px;background:var(--ink);border-radius:var(--r-card);
  padding:32px;color:#fff;position:relative;overflow:hidden;
}
.checklist-panel::after{
  content:"";position:absolute;right:-90px;bottom:-90px;width:260px;height:260px;
  border:1px solid var(--line-dark);border-radius:50%;
}
.checklist-panel h3{font-size:19px;font-weight:800;margin-bottom:18px;color:#fff}
.checklist{display:grid;grid-template-columns:1fr 1fr;gap:12px 32px;position:relative;z-index:2}
.checklist li{position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86)}
.checklist li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--lime)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px 24px 26px;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.step:hover{border-color:rgba(198,242,78,.95);box-shadow:var(--sh1);transform:translateY(-2px)}
.step-num{font-size:40px;font-weight:800;line-height:1;color:rgba(15,43,35,.14);letter-spacing:-1.5px;margin-bottom:14px}
.step-line{width:36px;height:4px;border-radius:2px;background:var(--lime);margin-bottom:16px}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--t1)}
.step p{font-size:14px;color:var(--t2);line-height:1.8}

/* ---------- stats ---------- */
.stats-band{background:var(--sand);position:relative;overflow:hidden}
.stats-band::before{
  content:"";position:absolute;left:-120px;top:-120px;width:360px;height:360px;
  border:1px solid rgba(15,43,35,.07);border-radius:50%;
}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;transition:box-shadow .22s ease,transform .22s ease;
}
.stat:hover{box-shadow:var(--sh1);transform:translateY(-2px)}
.stat-line{width:34px;height:4px;border-radius:2px;background:var(--lime);margin-bottom:16px}
.stat-num{font-size:38px;line-height:1;font-weight:800;color:var(--ink);letter-spacing:-1px;font-variant-numeric:tabular-nums}
.stat-num small{font-size:16px;font-weight:700;margin-left:4px;letter-spacing:0}
.stat-label{font-size:15px;font-weight:700;color:var(--t1);margin-top:12px}
.stat-desc{font-size:13px;color:var(--t3);line-height:1.7;margin-top:6px}

/* ---------- quotes ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;display:flex;flex-direction:column;gap:16px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.quote:hover{border-color:rgba(198,242,78,.95);box-shadow:var(--sh1)}
.quote-text{font-size:15px;line-height:1.9;color:var(--t2)}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;flex:none;background:var(--sand);
  display:grid;place-items:center;font-size:14px;font-weight:800;color:var(--ink);
}
.quote-name{font-size:14px;font-weight:700;color:var(--t1);line-height:1.4}
.quote-role{font-size:12px;color:var(--t3);line-height:1.4}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:rgba(198,242,78,.95);box-shadow:var(--sh1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--t1);text-align:left;line-height:1.6;
}
.faq-q:hover{color:var(--ink)}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:rgba(198,242,78,.32);color:var(--ink);
  display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;
  transition:transform .25s ease,background-color .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--lime)}
.faq-a{display:none;padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--t2)}
.faq-item.is-open .faq-a{display:block}

/* ---------- related ---------- */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.read-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.read-card:hover{border-color:rgba(198,242,78,.95);box-shadow:var(--sh1);background:#fff}
.read-thumb{width:96px;height:72px;border-radius:10px;overflow:hidden;flex:none;background:var(--sand)}
.read-thumb img{width:100%;height:100%;object-fit:cover}
.read-title{font-size:15px;font-weight:700;line-height:1.5;color:var(--t1);margin-bottom:6px}
.read-meta{font-size:12px;color:var(--t3)}

/* ---------- cta ---------- */
.cta-section{background:var(--sand);padding:80px 0}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.cta-title{font-size:28px;line-height:1.35;font-weight:800;color:var(--ink);margin-bottom:14px;letter-spacing:-.4px}
.cta-text{font-size:15px;color:var(--t2);line-height:1.9;margin-bottom:20px}
.cta-points{display:grid;gap:10px;margin-bottom:22px}
.cta-points li{position:relative;padding-left:20px;font-size:15px;color:var(--t2)}
.cta-points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--ink)}
.cta-privacy{font-size:13px;color:var(--t3);line-height:1.8}
.cta-card{
  background:var(--ink);color:#fff;border-radius:var(--r-card);
  padding:34px;position:relative;overflow:hidden;box-shadow:var(--sh2);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-80px;width:240px;height:240px;
  border:1px solid var(--line-dark);border-radius:50%;
}
.cta-card h3{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px;position:relative;z-index:2}
.cta-card p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.85;margin-bottom:22px;position:relative;z-index:2}
.cta-card .btn{position:relative;z-index:2}
.cta-contact{margin-top:22px;padding-top:20px;border-top:1px solid var(--line-dark);display:grid;gap:6px;position:relative;z-index:2}
.cta-contact a,.cta-contact span{font-size:14px;color:rgba(255,255,255,.86)}
.cta-contact a:hover{color:var(--lime)}

/* ---------- dialog ---------- */
.lead-dialog{
  border:0;padding:0;width:calc(100% - 32px);max-width:560px;
  border-radius:var(--r-card);background:#fff;color:var(--t1);
  box-shadow:var(--sh2);
}
.lead-dialog::backdrop{background:rgba(15,43,35,.55);backdrop-filter:blur(4px)}
.dialog-inner{padding:32px;position:relative}
.dialog-close{
  position:absolute;right:16px;top:16px;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--t2);font-size:20px;line-height:1;
  cursor:pointer;display:grid;place-items:center;transition:background-color .2s ease,color .2s ease;
}
.dialog-close:hover{background:var(--sand);color:var(--ink)}
.dialog-title{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:8px;letter-spacing:-.3px}
.dialog-sub{font-size:14px;color:var(--t2);line-height:1.8;margin-bottom:22px}
.lead-form{display:grid;gap:16px}
.field{display:grid;gap:6px}
.field label{font-size:14px;font-weight:600;color:var(--t2)}
.field label .req{color:var(--orange);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#FCFBF8;color:var(--t1);
  font-size:15px;font-family:inherit;line-height:1.5;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:#fff;
  box-shadow:0 0 0 3px rgba(198,242,78,.35);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--orange);background:#FFF7F3}
.field-error{font-size:12px;color:#D8410E;display:none}
.field.has-error .field-error{display:block}
.privacy-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--t3);line-height:1.7}
.privacy-row input{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--orange)}
.form-note{font-size:14px;line-height:1.7;padding:10px 14px;border-radius:10px;display:none}
.form-note.is-ok{display:block;background:rgba(198,242,78,.25);color:var(--ink);border:1px solid rgba(198,242,78,.8)}
.form-note.is-err{display:block;background:#FFF3EE;color:#C13C0B;border:1px solid rgba(255,90,31,.4)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);padding:72px 0 28px;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;right:-160px;top:-160px;width:420px;height:420px;
  border:1px solid var(--line-dark);border-radius:50%;pointer-events:none;
}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:40px;position:relative;z-index:2}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-cn{color:#fff}
.footer-brand .logo-div{background:rgba(255,255,255,.25)}
.footer-brand .logo-en{color:rgba(255,255,255,.5)}
.footer-brand .logo-mark{background:var(--lime)}
.footer-brand .logo-mark::after{border-color:var(--ink);border-right-color:transparent}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:340px;margin-bottom:20px}
.footer-contact{display:grid;gap:6px}
.footer-contact a,.footer-contact span{font-size:14px;color:rgba(255,255,255,.72);border-bottom:0}
.footer-contact a:hover{color:var(--lime)}
.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,.7);border-bottom:0}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.55);position:relative;z-index:2;
}
.footer-bottom .dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--lime);margin:0 10px;vertical-align:middle}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--section:72px}
  .nav-links{gap:2px}
  .nav-link{padding:8px 8px;font-size:14px}
  .header-phone{display:none}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-title{font-size:34px}
  .program-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .quote-grid{grid-template-columns:1fr 1fr}
  .read-grid{grid-template-columns:1fr 1fr}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:auto}
  .checklist{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .header-inner{height:64px}
  .site-header.is-scrolled .header-inner{height:64px}
  .header-actions .btn-sm{display:none}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .page-hero{padding:36px 0 56px}
  .hero-title{font-size:28px;letter-spacing:-.4px}
  .section-title{font-size:23px}
  .cta-title{font-size:23px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 100%}
  .strip-item{grid-template-columns:44px 1fr;gap:14px 16px;padding:20px}
  .strip-desc{grid-column:1 / -1;font-size:14px}
  .strip-title{font-size:16px}
  .program-row{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:16px}
  .quote-grid{grid-template-columns:1fr}
  .read-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a{padding:0 18px 18px;font-size:14px}
  .cta-card{padding:26px}
  .dialog-inner{padding:24px}
  .hero-facts{font-size:13px}
}
@media (max-width:520px){
  .stats{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .lead-dialog{width:100%;max-width:none;margin:auto 0 0;border-radius:16px 16px 0 0}
  .lead-dialog[open]{position:fixed;bottom:0}
  .program-body{padding:22px}
  .program-mini{grid-template-columns:1fr;gap:10px;padding:22px}
  .checklist-panel{padding:24px}
  .section-head{margin-bottom:32px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* roulang page: category4 */
:root{
  --ink:#0F2B23;
  --ink-2:#14201C;
  --lime:#C6F24E;
  --orange:#FF5A1F;
  --orange-dark:#E24A12;
  --bg:#F6F5F1;
  --bg-2:#EDEAE3;
  --card:#FFFFFF;
  --text:#14201C;
  --text-2:#4A5A54;
  --text-3:#7C8A85;
  --line:#E2DED5;
  --line-dark:rgba(255,255,255,.14);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(15,43,35,.06);
  --sh-2:0 10px 28px rgba(15,43,35,.10);
  --space:24px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --num:"Barlow","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--text);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ink);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--text);}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--bg-2);color:var(--ink);}
.btn-lime{background:var(--lime);color:var(--ink);font-weight:700;}
.btn-lime:hover{background:#B7E93B;color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--ink);border-bottom:2px solid transparent;transition:border-color .2s,color .2s;}
.text-link .arw{transition:transform .2s ease;display:inline-block;}
.text-link:hover{color:var(--ink);border-bottom-color:var(--lime);}
.text-link:hover .arw{transform:translateX(3px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,height .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:30px;height:30px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,var(--lime),#8FD91F);
  border:2px solid var(--ink);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:7px;border:2px solid var(--ink);
  border-radius:4px;transform:rotate(45deg);
}
.logo-text{display:flex;align-items:center;gap:8px;line-height:1;}
.logo-cn{font-size:18px;font-weight:800;letter-spacing:.5px;color:var(--ink);}
.logo-div{width:1px;height:14px;background:var(--line);}
.logo-en{font-family:var(--num);font-size:12px;font-weight:700;letter-spacing:1.2px;color:var(--text-3);text-transform:lowercase;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--ink);background:var(--bg);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--lime);
}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto;}
.header-tel{font-family:var(--num);font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.4px;}
.header-tel:hover{color:var(--orange);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;
  flex-direction:column;gap:5px;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  display:flex;flex-direction:column;
  padding:18px 20px 24px;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .3s ease,opacity .3s ease;
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;font-size:19px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a span{color:var(--text-3);font-size:16px;}
.drawer-nav a.active{color:var(--orange);}
.drawer-foot{margin-top:auto;padding-top:28px;display:flex;flex-direction:column;gap:12px;}
.drawer-tel{font-family:var(--num);font-size:17px;font-weight:700;color:var(--ink);text-align:center;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:72px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.42;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,43,35,.94) 0%,rgba(15,43,35,.80) 46%,rgba(15,43,35,.52) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.8);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:rgba(255,255,255,.4);}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(198,242,78,.16);color:var(--lime);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.hero h1{
  font-size:40px;line-height:1.2;font-weight:800;
  margin:20px 0 18px;letter-spacing:.5px;color:#fff;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.80);
  max-width:520px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5);}
.hero .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;font-size:14px;color:rgba(255,255,255,.72);}
.hero-facts span{display:inline-flex;align-items:center;gap:8px;}
.hero-facts span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}
.hero-media{position:relative;}
.hero-media figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.35);
  aspect-ratio:4/3;
}
.hero-media figure img{width:100%;height:100%;}
.hero-media figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,43,35,.60),rgba(15,43,35,0) 58%);
}
.hero-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--lime);color:var(--ink);
  padding:10px 16px;border-radius:12px;
  font-size:14px;font-weight:700;
}
.hero-tag b{font-family:var(--num);font-size:20px;line-height:1;}
.hero-cut{
  position:absolute;right:-90px;bottom:-90px;z-index:1;
  width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(198,242,78,.35);
}

/* ---------- 板块基础 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--bg-2);}
.section-dark{background:var(--ink);color:#fff;position:relative;overflow:hidden;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-block;font-family:var(--num);font-size:13px;font-weight:700;
  letter-spacing:2px;color:var(--orange);text-transform:uppercase;margin-bottom:12px;
}
.section-dark .section-head .eyebrow{color:var(--lime);}
.section-head h2{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:.4px;}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-2);}
.section-dark .section-head p{color:rgba(255,255,255,.72);}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-head-row .section-head{margin-bottom:0;}

/* ---------- 数据条 ---------- */
.stats{
  background:var(--bg-2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:52px 0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  padding:22px 24px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(198,242,78,.9);}
.stat .num{
  font-family:var(--num);font-size:44px;line-height:1;font-weight:800;color:var(--ink);
  display:flex;align-items:baseline;gap:4px;
}
.stat .num small{font-size:18px;font-weight:700;color:var(--text-2);}
.stat .label{margin-top:10px;font-size:15px;font-weight:700;color:var(--ink);}
.stat .desc{margin-top:6px;font-size:13px;line-height:1.7;color:var(--text-3);}

/* ---------- 场景痛点条卡 ---------- */
.pain-list{display:flex;flex-direction:column;gap:16px;}
.pain-item{
  display:grid;grid-template-columns:88px 1fr auto;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 28px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.pain-item:hover{border-color:rgba(198,242,78,.9);box-shadow:var(--sh-2);transform:translateX(4px);}
.pain-item .no{
  font-family:var(--num);font-size:34px;font-weight:800;line-height:1;
  color:rgba(15,43,35,.16);
}
.pain-item h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.pain-item p{font-size:15px;color:var(--text-2);line-height:1.75;}
.pain-item .pill{
  font-size:13px;font-weight:600;color:var(--ink);
  background:rgba(198,242,78,.24);border-radius:var(--r-pill);
  padding:6px 14px;white-space:nowrap;
}

/* ---------- 方案模块 ---------- */
.plans-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch;}
.plan-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;
}
.plan-card:hover{box-shadow:var(--sh-2);border-color:rgba(198,242,78,.9);transform:translateY(-3px);}
.plan-media{position:relative;overflow:hidden;aspect-ratio:16/9;}
.plan-card.is-narrow .plan-media{aspect-ratio:16/10;}
.plan-media img{width:100%;height:100%;transition:transform .5s ease;}
.plan-card:hover .plan-media img{transform:scale(1.03);}
.plan-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,43,35,.55),rgba(15,43,35,0) 62%);
}
.plan-media .tag{
  position:absolute;left:16px;top:16px;z-index:2;
  background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);
}
.plan-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1;}
.plan-body h3{font-size:21px;font-weight:800;margin-bottom:10px;}
.plan-body p{font-size:15px;color:var(--text-2);line-height:1.8;}
.plan-body .text-link{margin-top:auto;padding-top:18px;}
.plan-points{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 4px;}
.plan-points span{
  font-size:13px;color:var(--text-2);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:5px 12px;
}

.spec-wrap{
  margin-top:24px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);
}
.spec-wrap h3{font-size:18px;font-weight:800;margin-bottom:18px;}
.spec-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px;}
.spec-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--text-2);line-height:1.75;
}
.spec-list li b{color:var(--ink);font-weight:700;flex-shrink:0;min-width:72px;}
.spec-list li:last-child,.spec-list li:nth-last-child(2){border-bottom:0;}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.flow::before{
  content:"";position:absolute;left:0;right:0;top:34px;height:1px;
  background:var(--line);z-index:0;
}
.flow-step{position:relative;z-index:1;}
.flow-step .dot{
  width:68px;height:68px;border-radius:50%;
  background:var(--card);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--num);font-size:22px;font-weight:800;color:var(--ink);
  margin-bottom:20px;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.flow-step:hover .dot{background:var(--lime);border-color:var(--lime);}
.flow-step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- 反馈摘录 ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);padding:28px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.quote:hover{background:rgba(255,255,255,.09);border-color:rgba(198,242,78,.5);transform:translateY(-3px);}
.quote .mark{
  font-family:var(--num);font-size:36px;line-height:1;font-weight:800;
  color:var(--lime);opacity:.7;margin-bottom:12px;
}
.quote p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.84);}
.quote .who{margin-top:18px;font-size:13px;color:rgba(255,255,255,.58);letter-spacing:.3px;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(198,242,78,.9);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 26px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);
}
.faq-q .ico{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:400;color:var(--ink);
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.faq-item.open .faq-q .ico{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 26px 22px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- 相关阅读 ---------- */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.read-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.read-card:hover{border-color:rgba(198,242,78,.9);box-shadow:var(--sh-2);transform:translateY(-3px);}
.read-thumb{aspect-ratio:16/9;position:relative;overflow:hidden;}
.read-thumb img{width:100%;height:100%;transition:transform .5s ease;}
.read-card:hover .read-thumb img{transform:scale(1.04);}
.read-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.read-cat{
  font-size:12px;font-weight:700;color:var(--ink);background:rgba(198,242,78,.28);
  border-radius:var(--r-pill);padding:4px 10px;align-self:flex-start;margin-bottom:12px;
}
.read-body h3{font-size:16px;font-weight:700;line-height:1.55;margin-bottom:8px;}
.read-body p{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.read-meta{margin-top:auto;padding-top:16px;font-size:13px;color:var(--text-3);display:flex;gap:10px;align-items:center;}
.read-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);}

/* ---------- CTA ---------- */
.cta{background:var(--bg-2);padding:96px 0;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.cta-left h2{font-size:30px;line-height:1.32;font-weight:800;margin-bottom:16px;}
.cta-left > p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:24px;}
.cta-points{display:flex;flex-direction:column;gap:14px;margin-bottom:26px;}
.cta-points li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.75;}
.cta-points li::before{
  content:"";flex-shrink:0;width:18px;height:18px;border-radius:50%;
  background:rgba(198,242,78,.5);border:2px solid var(--ink);
  margin-top:4px;
}
.cta-contact{display:flex;flex-direction:column;gap:8px;font-size:15px;color:var(--text-2);}
.cta-contact a{font-family:var(--num);font-weight:700;font-size:18px;color:var(--ink);}
.cta-contact a:hover{color:var(--orange);}

.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:19px;font-weight:800;margin-bottom:6px;}
.form-card .form-hint{font-size:13px;color:var(--text-3);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field label .req{color:var(--orange);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
  line-height:1.6;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);
  box-shadow:0 0 0 3px rgba(198,242,78,.30);
}
.field.has-error input,.field.has-error select{border-color:var(--orange);}
.field .err{display:none;margin-top:6px;font-size:13px;color:var(--orange);}
.field.has-error .err{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:18px 0 22px;}
.check-row input{width:18px;height:18px;min-height:auto;margin-top:4px;accent-color:var(--ink);flex-shrink:0;}
.check-row label{font-size:13px;line-height:1.7;color:var(--text-3);}
.form-msg{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-btn);
  font-size:14px;line-height:1.7;
}
.form-msg.is-ok{display:block;background:rgba(198,242,78,.22);color:var(--ink);border:1px solid rgba(198,242,78,.9);}
.form-msg.is-err{display:block;background:rgba(255,90,31,.08);color:#B33A0B;border:1px solid rgba(255,90,31,.5);}

/* ---------- 弹层 ---------- */
dialog.dlg{
  border:0;padding:0;border-radius:var(--r-card);width:min(560px,calc(100vw - 32px));
  box-shadow:0 30px 80px rgba(15,43,35,.35);background:var(--card);
  color:var(--text);
}
dialog.dlg::backdrop{background:rgba(15,43,35,.55);backdrop-filter:blur(4px);}
.dlg-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;border-bottom:1px solid var(--line);}
.dlg-head h3{font-size:18px;font-weight:800;}
.dlg-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;}
.dlg-close:hover{background:var(--bg);}
.dlg-body{padding:22px 24px 26px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid var(--line-dark);}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-cn{color:#fff;}
.footer-brand .logo-mark{border-color:var(--lime);background:linear-gradient(135deg,var(--lime),#8FD91F);}
.footer-brand .logo-mark::after{border-color:var(--ink);}
.footer-brand .logo-div{background:rgba(255,255,255,.2);}
.footer-brand .logo-en{color:rgba(255,255,255,.5);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;margin-bottom:20px;}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:14px;color:rgba(255,255,255,.66);}
.footer-contact a{color:rgba(255,255,255,.82);}
.footer-contact a:hover{color:var(--lime);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--lime);margin:0 10px;vertical-align:middle;}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-link{padding:10px 10px;font-size:14px;}
  .header-tel{display:none;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-media{max-width:560px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .plans-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .flow::before{display:none;}
  .quotes{grid-template-columns:1fr;gap:16px;}
  .read-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .spec-list{grid-template-columns:1fr;}
  .spec-list li:nth-last-child(2){border-bottom:1px dashed var(--line);}
  .spec-list li:last-child{border-bottom:0;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .section-tight{padding:44px 0;}
  .hero{padding:44px 0 56px;}
  .hero h1{font-size:28px;}
  .section-head h2,.cta-left h2{font-size:23px;}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:16px;}
  .pain-item{grid-template-columns:1fr;gap:12px;padding:20px;}
  .pain-item .no{font-size:26px;}
  .pain-item .pill{align-self:flex-start;}
  .read-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-desc{max-width:none;}
  dialog.dlg{width:100%;max-width:100%;margin:0;border-radius:16px 16px 0 0;position:fixed;left:0;right:0;bottom:0;top:auto;}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .stat .num{font-size:36px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}