/* roulang page: index */
:root{
  --brand-dark:#2B1B4B;
  --brand-dark-2:#1B1030;
  --accent:#A3E635;
  --cta:#FF7A2F;
  --cta-hover:#FF8A45;
  --bg:#F5F3EE;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --card-border:#E0DACB;
  --text:#1C1630;
  --text-2:#5B5570;
  --text-3:#8C8799;
  --success:#1FB57A;
  --warn:#F5A524;
  --error:#E5484D;
  --r-card:14px;
  --r-btn:12px;
  --r-img:18px;
  --r-pill:999px;
  --r-input:10px;
  --shadow-card:0 1px 0 #E4E0D6, 0 10px 24px rgba(43,27,75,.06);
  --shadow-hover:0 14px 30px rgba(43,27,75,.12);
  --shadow-hard:4px 4px 0 rgba(163,230,53,.35);
  --container:1180px;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(163,230,53,.45);color:var(--brand-dark-2)}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.hatch{position:relative}
.hatch::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-cta{background:var(--cta);color:var(--brand-dark-2);box-shadow:0 8px 18px rgba(255,122,47,.28)}
.btn-cta:hover{background:var(--cta-hover);transform:translateY(-2px)}
.btn-cta:active{transform:translateY(0);background:#EE6A1C}
.btn-outline{border-color:var(--brand-dark);color:var(--brand-dark);background:transparent}
.btn-outline:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.38);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:#fff;color:var(--brand-dark);transform:translateY(-2px)}
.btn:disabled,.btn[disabled]{opacity:.45;pointer-events:none}
.btn-block{width:100%}
.btn-sm{height:42px;padding:0 18px;font-size:14px}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-dark);
  transition:color .2s ease,gap .2s ease;
}
.link-arrow::after{content:"→";font-family:var(--mono);transition:transform .24s ease}
.link-arrow:hover{color:var(--cta)}
.link-arrow:hover::after{transform:translateX(4px)}

.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(163,230,53,.22);color:#3F6212;
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.tag-plain{background:rgba(43,27,75,.07);color:var(--text-2)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(245,243,238,.97);
  border-bottom:1px solid transparent;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 20px rgba(43,27,75,.07)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:baseline;gap:7px;font-size:19px;font-weight:800;color:var(--brand-dark);letter-spacing:.01em}
.logo-mark{white-space:nowrap}
.logo-sub{font-size:12px;font-weight:600;color:var(--text-3);letter-spacing:.08em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:20px;margin-left:auto}
.nav-link{
  position:relative;font-size:14px;font-weight:600;color:var(--brand-dark);
  padding:8px 0;transition:transform .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{transform:translateY(-1px)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:4px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--card-border);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer{
  display:none;position:fixed;top:72px;left:0;right:0;bottom:0;z-index:88;
  background:var(--bg);padding:16px 20px 96px;overflow-y:auto;
}
.drawer.is-open{display:block}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:54px;padding:0 4px;font-size:16px;font-weight:600;color:var(--brand-dark);
  border-bottom:1px solid var(--line);
}
.drawer-link::after{content:"›";font-family:var(--mono);font-size:20px;color:var(--text-3)}
.drawer-link.is-active{color:var(--cta)}
.drawer-actions{display:grid;gap:12px;margin-top:22px}

.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;height:56px;
  background:var(--cta);align-items:center;justify-content:center;
  box-shadow:0 -8px 20px rgba(43,27,75,.16);
}
.sticky-cta a{color:var(--brand-dark-2);font-weight:700;font-size:15px;display:flex;align-items:center;gap:8px}
.sticky-cta a::after{content:"→";font-family:var(--mono)}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:#EFEBE3}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(23px,3vw,31px);line-height:1.3;font-weight:700;letter-spacing:-.01em;margin-bottom:12px}
.section-sub{font-size:16px;color:var(--text-2);line-height:1.75}
.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}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(158deg,var(--brand-dark) 0%,var(--brand-dark-2) 100%);color:#fff;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding-top:88px;padding-bottom:96px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--accent);
  background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.32);
  border-radius:var(--r-pill);padding:6px 14px;
}
.hero h1{
  font-size:clamp(30px,4.4vw,44px);line-height:1.22;font-weight:800;
  letter-spacing:-.015em;margin:22px 0 18px;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);max-width:570px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 28px}
.trust-badges{display:flex;flex-wrap:wrap;gap:22px}
.trust-badges li{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.76)}
.trust-badges li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.hero-visual{
  margin:0;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;
  box-shadow:var(--shadow-hard);background:rgba(255,255,255,.06);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}

/* ---------- 三步上手 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.steps::before{
  content:"";position:absolute;top:34px;left:9%;right:9%;
  border-top:1px dashed var(--card-border);
}
.step-card{
  position:relative;z-index:1;background:var(--card);
  border:1px solid var(--card-border);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:50px;height:32px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--brand-dark);
  font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:.06em;
  margin-bottom:18px;
}
.step-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.step-card p{font-size:15px;color:var(--text-2);line-height:1.75;margin-bottom:16px}

/* ---------- 能力卡片 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.feature-icon{
  width:44px;height:44px;border-radius:12px;background:rgba(163,230,53,.24);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:15px;font-weight:700;color:var(--brand-dark);
  margin-bottom:18px;
}
.feature-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:14px;line-height:1.75;color:var(--text-2)}

/* ---------- 设备与场景（不对称网格） ---------- */
.equip-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:24px;align-items:stretch}
.equip-main{
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
}
.equip-main-media{aspect-ratio:16/9;overflow:hidden}
.equip-main-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s ease}
.equip-main:hover .equip-main-media img{transform:scale(1.03)}
.equip-main-body{padding:24px}
.equip-main-body h3{font-size:20px;font-weight:700;margin-bottom:10px}
.equip-main-body p{font-size:15px;color:var(--text-2);line-height:1.78}
.metrics{display:flex;flex-wrap:wrap;gap:34px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.metric-num{font-family:var(--mono);font-size:32px;font-weight:700;color:var(--brand-dark);line-height:1.1;display:block}
.metric-label{font-size:13px;color:var(--text-3);letter-spacing:.03em}
.equip-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.equip-card{
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;justify-content:space-between;
  transition:transform .24s ease,box-shadow .24s ease;
}
.equip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.equip-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.equip-card p{font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:16px}
.equip-card .metric-num{font-size:28px;margin-bottom:4px}

/* ---------- 内容列表 ---------- */
.news-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:start}
.news-feature{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--card-border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:transform .24s ease,box-shadow .24s ease;
}
.news-feature:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.news-feature-media{aspect-ratio:16/9;overflow:hidden}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s ease}
.news-feature:hover .news-feature-media img{transform:scale(1.03)}
.news-feature-body{padding:24px}
.card-meta{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.card-meta time{font-size:13px;color:var(--text-3)}
.news-feature-body h3{font-size:20px;font-weight:700;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature-body p{font-size:15px;color:var(--text-2);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-side{display:grid;gap:16px}
.news-mini{
  display:block;background:var(--card);border:1px solid var(--card-border);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease;
}
.news-mini:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.news-mini h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  border:1px dashed var(--card-border);border-radius:var(--r-card);
  padding:52px 24px;text-align:center;color:var(--text-2);background:rgba(255,255,255,.6);
}
.empty-state p{margin-bottom:18px;font-size:15px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.faq-side{position:sticky;top:104px}
.faq-side h2{font-size:clamp(23px,3vw,31px);line-height:1.3;font-weight:700;margin-bottom:12px}
.faq-side p{font-size:15px;color:var(--text-2);line-height:1.78;margin-bottom:22px}
.faq-item{position:relative;border-bottom:1px solid var(--line)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:2px;
  background:var(--cta);transform:scaleY(0);transform-origin:top;
  transition:transform .24s ease;
}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0 20px 20px;font-size:16px;font-weight:600;line-height:1.6;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";font-family:var(--mono);font-size:18px;color:var(--text-3);flex:none;transition:color .2s ease}
.faq-item[open] summary{color:var(--brand-dark)}
.faq-item[open] summary::after{content:"－";color:var(--cta)}
.faq-item summary:hover{color:var(--cta)}
.faq-a{padding:0 20px 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- CTA + 表单 ---------- */
.cta-band{position:relative;background:linear-gradient(150deg,var(--brand-dark) 0%,var(--brand-dark-2) 100%);color:#fff;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 460px;gap:56px;padding:80px 0;align-items:start}
.cta-copy h2{font-size:clamp(23px,3vw,31px);line-height:1.3;font-weight:700;margin-bottom:14px}
.cta-copy > p{font-size:16px;color:rgba(255,255,255,.76);line-height:1.8;max-width:520px;margin-bottom:26px}
.cta-list{display:grid;gap:14px}
.cta-list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:rgba(255,255,255,.84);align-items:flex-start}
.cta-list li::before{
  content:"✓";flex:none;width:22px;height:22px;border-radius:50%;
  background:rgba(163,230,53,.18);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:3px;
}
.cta-foot{margin-top:32px;font-size:13px;color:rgba(255,255,255,.5);line-height:1.7}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:0 26px 50px rgba(0,0,0,.24)}
.form-card h3{font-size:19px;font-weight:700;color:var(--text);margin-bottom:6px}
.form-card .form-intro{font-size:14px;color:var(--text-3);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:10px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-input);
  border:1px solid var(--card-border);background:#fff;color:var(--text);
  font-size:15px;line-height:1.6;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cta);box-shadow:0 0 0 2px rgba(255,122,47,.22);
}
.field.has-error input,.field.has-error select{border-color:var(--error)}
.field-error{display:none;font-size:12px;color:var(--error);margin-top:8px}
.field.has-error .field-error{display:block}
.form-note{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:14px}
.form-success{
  margin-top:16px;padding:14px 16px;border-radius:var(--r-input);
  background:rgba(163,230,53,.25);border:1px solid rgba(163,230,53,.6);
  color:#3F6212;font-size:14px;font-weight:600;
}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--brand-dark);color:rgba(255,255,255,.72);overflow:hidden;padding-top:72px}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-sub{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.footer-qr{
  display:flex;gap:14px;align-items:center;margin-top:16px;
  padding:14px;border:1px dashed rgba(255,255,255,.28);border-radius:var(--r-card);
}
.footer-qr-box{
  width:64px;height:64px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,rgba(163,230,53,.5),rgba(255,122,47,.5));
}
.footer-qr span{font-size:13px;line-height:1.7;color:rgba(255,255,255,.6)}
.footer-bottom{
  position:relative;z-index:1;
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.55);transition:color .2s ease}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .main-nav{gap:13px}
  .nav-link{font-size:13px}
  .nav-wrap{gap:18px}
}
@media (max-width:1119px){
  .main-nav,.nav-actions{display:none}
  .nav-toggle{display:flex}
  .sticky-cta{display:flex}
  body{padding-bottom:56px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:40px;padding-top:64px;padding-bottom:72px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .equip-grid{grid-template-columns:1fr}
  .equip-side{grid-template-rows:none;grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr}
  .news-side{grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .cta-grid{grid-template-columns:1fr;gap:40px;padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero-grid{padding-top:48px;padding-bottom:56px}
  .hero-sub{font-size:16px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .trust-badges{gap:14px 20px}
  .steps{grid-template-columns:1fr;gap:16px}
  .steps::before{display:none}
  .step-card{padding-left:70px}
  .step-num{position:absolute;left:18px;top:22px;margin:0;min-width:44px}
  .feature-grid{grid-template-columns:1fr}
  .equip-side{grid-template-columns:1fr}
  .news-side{grid-template-columns:1fr}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .section-head{margin-bottom:32px}
  .faq-item summary{font-size:15px;padding-left:16px}
  .faq-a{padding-left:16px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-brand p{max-width:none}
  .cta-grid{padding:56px 0}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .metric-num{font-size:26px}
  .metrics{gap:22px}
  .btn{height:44px;font-size:14px}
}

/* roulang page: article */
:root{
  --c-deep:#2B1B4B;
  --c-deep-2:#1B1030;
  --c-lime:#A3E635;
  --c-orange:#FF7A2F;
  --c-orange-hover:#FF8A45;
  --c-bg:#F5F3EE;
  --c-card:#FFFFFF;
  --c-line:#E4E0D6;
  --c-border:#E0DACB;
  --c-text:#1C1630;
  --c-text-2:#5B5570;
  --c-text-3:#8C8799;
  --c-success:#1FB57A;
  --c-warn:#F5A524;
  --c-error:#E5484D;
  --r-card:14px;
  --r-btn:12px;
  --r-img:18px;
  --r-pill:999px;
  --r-input:10px;
  --sh-card:0 1px 0 #E4E0D6, 0 10px 24px rgba(43,27,75,.06);
  --sh-hover:0 14px 30px rgba(43,27,75,.12);
  --sh-lime:4px 4px 0 rgba(163,230,53,.35);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;
  --nav-h:72px;
  --sec-space:88px;
  --safe:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,4.4vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(23px,3vw,31px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:700;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
:focus-visible{outline:3px solid var(--c-lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 var(--safe);}
.section{padding:var(--sec-space) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head p{color:var(--c-text-2);font-size:15px;max-width:620px;margin-top:10px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--c-text-2);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-orange);border-radius:2px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(163,230,53,.22);
  color:#3B5320;font-size:12px;font-weight:600;letter-spacing:.04em;
}
.tag-outline{
  background:transparent;border:1px solid var(--c-border);color:var(--c-text-2);
}
.mono{font-family:var(--font-mono);letter-spacing:.02em;}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-cta{background:var(--c-orange);color:var(--c-deep-2);box-shadow:0 6px 16px rgba(255,122,47,.28);}
.btn-cta:hover{background:var(--c-orange-hover);transform:translateY(-2px);}
.btn-cta:active{transform:translateY(0);background:#F06D24;}
.btn-outline{border-color:var(--c-deep);color:var(--c-deep);background:transparent;}
.btn-outline:hover{background:var(--c-deep);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:#fff;border-color:var(--c-border);color:var(--c-text);}
.btn-ghost:hover{border-color:var(--c-deep);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--c-deep);}
.btn-light:hover{background:var(--c-lime);transform:translateY(-2px);}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none !important;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-deep);
  border-bottom:2px solid var(--c-lime);padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.text-link:hover{color:var(--c-orange);border-color:var(--c-orange);}
/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,.96);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 18px rgba(43,27,75,.07);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:var(--nav-h);}
.logo{display:flex;align-items:baseline;gap:6px;flex-shrink:0;}
.logo-mark{font-size:19px;font-weight:800;color:var(--c-deep);letter-spacing:-.01em;}
.logo-sub{
  font-size:12px;font-weight:600;color:var(--c-deep);
  background:var(--c-lime);padding:2px 8px;border-radius:var(--r-pill);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 12px;font-size:14.5px;font-weight:600;color:var(--c-deep);
  border-radius:8px;transition:transform .2s ease,color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--c-lime);transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-link:hover{transform:translateY(-1px);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-border);background:#fff;
  border-radius:12px;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-deep);border-radius:2px;transition:transform .24s ease,opacity .24s ease;}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;z-index:55;
  background:var(--c-bg);padding:16px 20px 96px;overflow-y:auto;
}
body.nav-open .mobile-drawer{display:block;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:54px;padding:0 14px;font-size:16px;font-weight:600;color:var(--c-deep);
  background:#fff;border:1px solid var(--c-border);border-radius:12px;margin-bottom:10px;
}
.drawer-link::after{content:"›";font-size:22px;color:var(--c-text-3);line-height:1;}
.drawer-link.is-active{border-color:var(--c-lime);box-shadow:var(--sh-lime);}
.drawer-foot{
  display:flex;gap:10px;margin-top:18px;
}
.drawer-foot .btn{flex:1;}
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:58;
  height:56px;background:var(--c-orange);align-items:center;justify-content:center;
}
.sticky-cta a{color:var(--c-deep-2);font-weight:700;font-size:15px;}
/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-text-3);}
.breadcrumb a{color:var(--c-text-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-orange);}
.breadcrumb .sep{color:var(--c-border);}
.breadcrumb .now{color:var(--c-text);font-weight:600;}
/* ---------- 文章头部 ---------- */
.article-hero{
  margin-top:18px;padding:44px 0 34px;
  background:var(--c-deep);
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  color:#fff;
}
.article-hero .tag{background:var(--c-lime);color:#2A3A10;}
.article-hero h1{color:#fff;max-width:900px;margin-top:18px;}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:20px;font-size:14px;color:rgba(255,255,255,.72);
}
.meta-row .mono{color:rgba(255,255,255,.9);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4);}
/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;
  padding:48px 0 0;align-items:start;
}
.article-main{min-width:0;max-width:760px;}
.article-cover{margin:0 0 32px;}
.article-cover img{
  width:100%;aspect-ratio:21/9;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--c-border);
  box-shadow:var(--sh-card);
}
.article-cover figcaption{
  margin-top:10px;font-size:13px;color:var(--c-text-3);text-align:center;
}
.article-body{
  font-size:17px;line-height:1.9;color:#241D3B;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:34px 34px 30px;box-shadow:var(--sh-card);
}
.article-body p{margin:0 0 18px;}
.article-body h2{
  font-size:24px;line-height:1.35;font-weight:700;color:var(--c-text);
  margin:38px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;
  background:var(--c-lime);border-radius:2px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:19px;margin:26px 0 12px;color:var(--c-text);}
.article-body h4{font-size:16.5px;margin:20px 0 10px;color:var(--c-deep);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:2px;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-bottom:10px;color:#2C2444;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:12px;width:8px;height:8px;
  background:var(--c-lime);border-radius:2px;
}
.article-body ol{counter-reset:item;}
.article-body ol li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:4px;
  width:18px;height:18px;border-radius:50%;
  background:var(--c-deep);color:#fff;font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);
}
.article-body blockquote{
  margin:24px 0;padding:18px 20px 18px 22px;
  background:var(--c-bg);border-left:4px solid var(--c-orange);
  border-radius:0 12px 12px 0;color:#3A3157;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:22px 0 8px;border:1px solid var(--c-border);}
.article-body a{color:var(--c-deep);border-bottom:2px solid var(--c-lime);}
.article-body a:hover{color:var(--c-orange);border-color:var(--c-orange);}
.article-body strong{color:var(--c-deep);}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-border);padding:10px 12px;text-align:left;}
.article-body th{background:var(--c-bg);font-weight:700;}
.article-body hr{border:none;border-top:1px dashed var(--c-border);margin:30px 0;}
/* 空状态 */
.empty-state{
  border:1px dashed var(--c-border);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;background:var(--c-card);
}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:20px;}
/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 0;}
/* 上下篇 */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px;}
.pager-card{
  display:block;background:var(--c-card);border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--c-lime);}
.pager-card .k{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--c-text-3);text-transform:uppercase;}
.pager-card h4{margin-top:8px;font-size:16px;color:var(--c-text);}
.pager-card p{margin-top:6px;font-size:14px;color:var(--c-text-2);}
/* 相关推荐 */
.related{margin-top:56px;}
.related h2{font-size:22px;margin-bottom:20px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.card{
  display:flex;flex-direction:column;background:var(--c-card);
  border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--c-lime);}
.card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--c-text-3);font-family:var(--font-mono);}
.card-arrow{margin-top:auto;font-size:14px;font-weight:600;color:var(--c-deep);}
.card-arrow::after{content:" →";color:var(--c-orange);}
.back-line{margin-top:32px;}
/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-card);
}
.side-card h3{font-size:15px;letter-spacing:.02em;margin-bottom:14px;color:var(--c-deep);}
.side-list li{border-bottom:1px dashed var(--c-line);}
.side-list li:last-child{border-bottom:none;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:14.5px;color:var(--c-text-2);transition:color .2s ease,padding-left .2s ease;
}
.side-list a:hover{color:var(--c-orange);padding-left:4px;}
.side-list .idx{font-family:var(--font-mono);font-size:12px;color:var(--c-text-3);}
.side-note{font-size:13.5px;color:var(--c-text-2);line-height:1.7;}
.side-card .btn{width:100%;margin-top:14px;}
/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:48px;}
.faq-intro{position:sticky;top:96px;align-self:start;}
.faq-intro p{margin-top:12px;color:var(--c-text-2);font-size:15px;}
.faq-item{border-bottom:1px solid var(--c-line);position:relative;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 20px 16px;font-size:16px;font-weight:600;color:var(--c-text);
  transition:padding-left .24s ease,color .24s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"＋";font-size:18px;color:var(--c-deep);flex-shrink:0;
  transition:transform .24s ease,color .24s ease;
}
.faq-item[open] summary{padding-left:20px;color:var(--c-deep);}
.faq-item[open] summary::after{content:"－";color:var(--c-orange);}
.faq-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:2px;
  background:var(--c-orange);transform:scaleY(0);transform-origin:top;transition:transform .24s ease;
}
.faq-item[open]::before{transform:scaleY(1);}
.faq-answer{padding:0 0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-text-2);}
/* ---------- CTA 表单 ---------- */
.cta-band{
  margin-top:var(--sec-space);
  background:var(--c-deep);
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  color:#fff;padding:72px 0;
}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:56px;align-items:start;}
.cta-band h2{color:#fff;}
.cta-band p.lead{margin-top:14px;color:rgba(255,255,255,.76);font-size:15.5px;max-width:520px;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.88);}
.cta-points li::before{
  content:"";flex-shrink:0;width:18px;height:18px;border-radius:50%;
  background:var(--c-lime);margin-top:6px;
  box-shadow:inset 0 0 0 4px var(--c-deep);
}
.form-card{background:#fff;border-radius:var(--r-card);padding:26px;box-shadow:0 18px 40px rgba(0,0,0,.22);}
.form-card h3{font-size:18px;color:var(--c-deep);margin-bottom:6px;}
.form-card .form-tip{font-size:13.5px;color:var(--c-text-2);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--c-text);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-border);border-radius:var(--r-input);
  background:#fff;padding:0 14px;height:48px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-orange);box-shadow:0 0 0 3px rgba(255,122,47,.18);
}
.field.has-error input,.field.has-error select{border-color:var(--c-error);}
.field .err{display:none;margin-top:6px;font-size:12px;color:var(--c-error);}
.field.has-error .err{display:block;}
.form-card .btn{width:100%;}
.form-success{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  background:rgba(163,230,53,.28);color:#33470F;font-size:14px;font-weight:600;
}
.form-success.is-on{display:block;}
.form-foot{margin-top:12px;font-size:12.5px;color:var(--c-text-3);}
/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-deep);
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  color:#fff;padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo-mark{color:#fff;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-col a:hover{color:var(--c-lime);text-decoration:underline;}
.footer-qr{margin-top:18px;display:flex;gap:12px;align-items:center;}
.footer-qr-box{
  width:64px;height:64px;border-radius:10px;flex-shrink:0;
  background:#fff;
  background-image:linear-gradient(45deg,#2B1B4B 25%,transparent 25%,transparent 75%,#2B1B4B 75%),
                   linear-gradient(45deg,#2B1B4B 25%,transparent 25%,transparent 75%,#2B1B4B 75%);
  background-size:16px 16px;background-position:0 0,8px 8px;
  opacity:.9;
}
.footer-qr span{font-size:12.5px;color:rgba(255,255,255,.62);line-height:1.6;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{gap:36px;}
}
@media (max-width:1023px){
  :root{--nav-h:60px;--sec-space:72px;}
  .main-nav,.nav-actions{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side .side-card{flex:1 1 280px;}
  .article-main{max-width:100%;}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:24px;}
  .faq-intro{position:static;}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  :root{--sec-space:56px;--safe:20px;}
  body{font-size:16px;}
  .btn{height:44px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .article-hero{padding:32px 0 26px;}
  .article-body{padding:22px 18px;font-size:16.5px;}
  .article-body table{font-size:14px;}
  .pager{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .article-side{flex-direction:column;}
  .sticky-cta{display:flex;}
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .cta-band{padding:52px 0;}
  .form-card{padding:20px;}
}
@media (max-width:520px){
  .logo-mark{font-size:17px;}
  .breadcrumb{font-size:13px;}
  .article-cover img{aspect-ratio:16/10;}
}

/* roulang page: category1 */
:root{
  --brand:#2B1B4B;
  --brand-deep:#1B1030;
  --lime:#A3E635;
  --orange:#FF7A2F;
  --orange-h:#FF8A45;
  --bg:#F5F3EE;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --stroke:#E0DACB;
  --text:#1C1630;
  --text-2:#5B5570;
  --text-3:#8C8799;
  --ok:#1FB57A;
  --warn:#F5A524;
  --err:#E5484D;
  --r-card:14px;
  --r-btn:12px;
  --r-img:18px;
  --r-pill:999px;
  --r-input:10px;
  --sh-card:0 1px 0 #E4E0D6, 0 10px 24px rgba(43,27,75,.06);
  --sh-hover:0 14px 30px rgba(43,27,75,.12);
  --mono:"SFMono-Regular",Consolas,"Liberation Mono","Courier New",monospace;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:88px 0}
.section-tight{padding-top:0}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,3vw,31px);line-height:1.3;font-weight:700;color:var(--text)}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--brand-deep);background:rgba(163,230,53,.32);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-cta{background:var(--orange);color:var(--brand-deep);box-shadow:0 6px 16px rgba(255,122,47,.26)}
.btn-cta:hover{background:var(--orange-h);transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,47,.3)}
.btn-cta:active{transform:translateY(0);filter:brightness(.94)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--stroke);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-card)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--brand-deep);transform:translateY(-2px)}
.btn[disabled]{opacity:.45;pointer-events:none;transform:none}
.btn-block{width:100%}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,243,238,.97);
  transition:box-shadow .24s ease,border-color .24s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(43,27,75,.07)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:8px;flex:none}
.logo-mark{font-size:19px;font-weight:800;color:var(--brand);letter-spacing:.01em}
.logo-sub{font-size:11px;font-weight:700;letter-spacing:.12em;color:#fff;background:var(--orange);border-radius:var(--r-pill);padding:3px 9px}
.main-nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-link{
  position:relative;padding:9px 12px;border-radius:8px;
  font-size:14.5px;font-weight:600;color:var(--brand);
  transition:transform .2s ease,color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{transform:translateY(-1px);color:var(--brand-deep)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-deep)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--stroke);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  padding:56px 0 76px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
}
.hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:26px}
.breadcrumb a{color:rgba(255,255,255,.68);transition:color .2s ease}
.breadcrumb a:hover{color:var(--lime);text-decoration:underline}
.breadcrumb .sep{color:rgba(255,255,255,.38)}
.breadcrumb .current{color:#fff;font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(30px,4.4vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.8);max-width:560px}
.hero-actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{margin-top:34px;display:flex;gap:12px;flex-wrap:wrap}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:#fff;
  border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);
  padding:7px 14px;background:rgba(255,255,255,.06);
}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--lime);flex:none}
.hero-figure{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;
  box-shadow:4px 4px 0 rgba(163,230,53,.35);
  border:1px solid rgba(255,255,255,.12);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}

/* ---------- 指标条 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat-card{
  background:var(--card);border:1px solid var(--stroke);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D6CFBB}
.stat-num{font-family:var(--mono);font-size:32px;font-weight:700;color:var(--brand);line-height:1.1;letter-spacing:-.02em}
.stat-num span{font-size:15px;font-family:var(--sans);font-weight:600;color:var(--text-2);margin-left:6px}
.stat-label{margin-top:10px;font-size:15.5px;font-weight:700}
.stat-card p{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- 锚点 + 长文 ---------- */
.anchor-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:40px;align-items:start}
.anchor-nav{
  position:sticky;top:100px;
  background:var(--card);border:1px solid var(--stroke);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-card);
}
.anchor-nav h3{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--text-3);text-transform:uppercase}
.anchor-nav ul{margin-top:14px;display:flex;flex-direction:column;gap:4px}
.anchor-nav a{
  display:block;padding:10px 12px;border-radius:10px;font-size:14.5px;font-weight:600;
  color:var(--text-2);border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.anchor-nav a:hover{background:var(--bg);color:var(--brand);border-left-color:var(--lime)}
.anchor-nav .anchor-note{margin-top:18px;padding-top:18px;border-top:1px dashed var(--stroke);font-size:13px;color:var(--text-3);line-height:1.7}
.content-card{
  background:var(--card);border:1px solid var(--stroke);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-card);scroll-margin-top:100px;
}
.content-card + .content-card{margin-top:24px}
.content-card h2{
  font-size:clamp(20px,2.4vw,26px);line-height:1.35;font-weight:700;
  border-left:4px solid var(--lime);padding-left:14px;
}
.content-card h3{font-size:17px;font-weight:600;margin-top:26px}
.content-card p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--text-2)}
.content-card p strong{color:var(--text);font-weight:700}
.rich-list{margin-top:18px;display:grid;gap:12px}
.rich-list li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:var(--text-2)}
.rich-list li::before{content:"";flex:none;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--lime)}
.tip{
  margin-top:22px;padding:16px 18px;border-radius:12px;
  border:1px solid var(--stroke);border-left:4px solid var(--orange);
  background:#FDF8F3;font-size:14.5px;line-height:1.75;color:var(--text-2);
}
.tip strong{color:var(--text)}
.warn{
  margin-top:22px;padding:18px;border-radius:12px;
  border:1.5px solid var(--orange);background:rgba(255,122,47,.08);
  font-size:14.5px;line-height:1.75;color:var(--text-2);
}
.warn strong{color:#B34E10}
.media{margin-top:24px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--stroke)}
.media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mini-grid{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mini-card{border:1px solid var(--stroke);border-radius:12px;padding:18px;background:#FCFBF8}
.mini-card h4{font-size:15px;font-weight:700;color:var(--brand)}
.mini-card ul{margin-top:10px;display:grid;gap:8px}
.mini-card li{font-size:14px;color:var(--text-2);line-height:1.7;padding-left:14px;position:relative}
.mini-card li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--orange)}
.flow-list{margin-top:20px;display:grid;gap:14px;counter-reset:flow}
.flow-list li{
  display:flex;gap:14px;align-items:flex-start;font-size:15.5px;line-height:1.75;color:var(--text-2);
  border:1px solid var(--stroke);border-radius:12px;padding:16px 18px;background:#FCFBF8;
}
.flow-list li::before{
  counter-increment:flow;content:counter(flow,decimal-leading-zero);
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--brand-deep);
  background:var(--lime);border-radius:var(--r-pill);padding:3px 11px;flex:none;margin-top:2px;
}

/* ---------- 三步要点卡 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  position:relative;background:var(--card);border:1px solid var(--stroke);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);transition:transform .24s ease,box-shadow .24s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.step-card:not(:last-child)::after{
  content:"";position:absolute;top:42px;right:-24px;width:24px;border-top:1px dashed var(--stroke);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  height:28px;padding:0 13px;border-radius:var(--r-pill);
  background:var(--lime);color:var(--brand-deep);
  font-family:var(--mono);font-size:13.5px;font-weight:700;
}
.step-card h3{margin-top:16px;font-size:17px;font-weight:700}
.step-card p{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--text-2)}
.step-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:700;color:var(--brand);transition:gap .2s ease,color .2s ease}
.step-link:hover{gap:10px;color:var(--orange)}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  background:var(--card);border:1px solid var(--stroke);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.scene-card .scene-media{overflow:hidden;aspect-ratio:16/9}
.scene-card .scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-body{padding:24px;display:flex;flex-direction:column;flex:1}
.tag{
  display:inline-block;align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--brand);background:rgba(163,230,53,.3);border-radius:var(--r-pill);padding:4px 11px;
}
.scene-body h3{margin-top:14px;font-size:19px;font-weight:700;line-height:1.4}
.scene-body p{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--text-2)}
.scene-meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;gap:16px;flex-wrap:wrap;font-family:var(--mono);font-size:12.5px;color:var(--text-3)}

/* ---------- CTA 联系 ---------- */
.cta-section{padding:0 0 88px}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-img);
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;padding:48px;box-shadow:var(--sh-card);
  scroll-margin-top:100px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
}
.cta-band .cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.cta-band h2{font-size:clamp(23px,3vw,30px);line-height:1.32;font-weight:700}
.cta-band .lead{margin-top:16px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.78)}
.cta-points{margin-top:24px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.82);line-height:1.7}
.cta-points li::before{content:"";flex:none;width:8px;height:8px;margin-top:8px;border-radius:2px;background:var(--lime)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:rgba(255,255,255,.82);letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;border-radius:var(--r-input);border:1px solid var(--stroke);
  background:#fff;color:var(--text);font-size:15px;padding:0 14px;height:48px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border:2px solid var(--orange)}
.field.has-error input,.field.has-error select{border:2px solid var(--err)}
.field-error{display:none;font-size:12px;color:#FFB4B4;line-height:1.5}
.field.has-error .field-error{display:block}
.form-note{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.58);line-height:1.7}
.form-success{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-input);
  background:rgba(163,230,53,.22);border:1px solid var(--lime);color:#EDFFD0;
  font-size:14px;line-height:1.7;
}
.form-success.is-visible{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-top:64px;padding-bottom:40px}
.footer-brand .logo{display:inline-flex;align-items:center;gap:8px}
.footer-brand .logo-mark{color:#fff;font-size:19px;font-weight:800}
.footer-brand .logo-sub{font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--brand-deep);background:var(--lime);border-radius:var(--r-pill);padding:3px 9px}
.footer-brand p{margin-top:16px;max-width:340px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:4px}
.footer-col li a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col li a:hover{color:var(--lime);text-decoration:underline}
.footer-qr{margin-top:18px;display:flex;gap:12px;align-items:center}
.footer-qr-box{
  width:76px;height:76px;flex:none;border-radius:12px;background:#fff;
  background-image:
    linear-gradient(90deg,rgba(43,27,75,.85) 0 8px,transparent 8px 16px,rgba(43,27,75,.85) 16px 24px,transparent 24px),
    linear-gradient(0deg,rgba(43,27,75,.85) 0 8px,transparent 8px 16px,rgba(43,27,75,.85) 16px 24px,transparent 24px);
  background-size:24px 24px;
  border:6px solid #fff;
}
.footer-qr span{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.66)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:20px;padding-bottom:28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 移动端吸底 CTA ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;height:56px;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:var(--orange);
  box-shadow:0 -6px 18px rgba(43,27,75,.18);
}
.mobile-cta span{font-size:13.5px;font-weight:700;color:var(--brand-deep)}
.mobile-cta a{
  display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 16px;
  border-radius:10px;background:var(--brand-deep);color:#fff;font-size:13.5px;font-weight:700;
}
.mobile-cta a:hover{background:#2B1B4B}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:34px}
}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-actions{display:none}
  .nav-wrap{min-height:60px}
  .main-nav{
    position:fixed;top:60px;left:0;right:0;z-index:85;
    flex-direction:column;align-items:stretch;gap:0;justify-content:flex-start;
    background:#fff;border-bottom:1px solid var(--line);
    padding:8px 16px 16px;box-shadow:0 18px 30px rgba(43,27,75,.14);
    transform:translateY(-10px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
    max-height:calc(100vh - 60px);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
  .nav-link{
    display:flex;align-items:center;justify-content:space-between;
    height:54px;padding:0 12px;border-radius:12px;font-size:16px;
  }
  .nav-link::after{display:none}
  .nav-link::before{content:"›";order:2;font-size:20px;color:var(--text-3);line-height:1}
  .main-nav.is-open .nav-link:hover,.nav-link.is-active{background:var(--bg)}
  .hero{padding:40px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-figure{aspect-ratio:16/10}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stats-grid .stat-card:last-child{grid-column:1 / -1}
  .anchor-layout{grid-template-columns:1fr;gap:24px}
  .anchor-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:16px}
  .anchor-nav h3{width:100%;margin-bottom:4px}
  .anchor-nav ul{flex-direction:row;flex-wrap:wrap;gap:8px;margin-top:0}
  .anchor-nav a{border-left:0;border:1px solid var(--stroke);border-radius:999px;padding:7px 14px;font-size:13.5px}
  .anchor-nav a:hover{border-color:var(--lime)}
  .anchor-nav .anchor-note{display:none}
  .step-grid{grid-template-columns:1fr}
  .step-card:not(:last-child)::after{display:none}
  .cta-band{padding:36px}
  .cta-band .cta-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .cta-section{padding:0 0 56px}
  .hero{padding:32px 0 52px}
  .hero h1{font-size:clamp(26px,7vw,32px)}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 100%}
  .stats-grid{grid-template-columns:1fr}
  .stats-grid .stat-card:last-child{grid-column:auto}
  .content-card{padding:20px}
  .content-card h2{font-size:20px}
  .mini-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .flow-list li{flex-direction:row}
  .cta-band{padding:24px;border-radius:14px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;padding-top:48px}
  .footer-brand{grid-column:1 / -1}
  .footer-brand p{max-width:none}
  .footer-bottom{font-size:12.5px}
  .mobile-cta.is-visible{display:flex}
  body{padding-bottom:56px}
}

/* roulang page: category2 */
:root{
  --deep:#2B1B4B;
  --deep-end:#1B1030;
  --lime:#A3E635;
  --orange:#FF7A2F;
  --orange-hover:#FF8A45;
  --bg:#F5F3EE;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --border:#E0DACB;
  --text:#1C1630;
  --text-2:#5B5570;
  --text-3:#8C8799;
  --ok:#1FB57A;
  --warn:#F5A524;
  --err:#E5484D;
  --radius-card:14px;
  --radius-btn:12px;
  --radius-img:18px;
  --radius-input:10px;
  --shadow-card:0 1px 0 #E4E0D6, 0 10px 24px rgba(43,27,75,.06);
  --shadow-hover:0 14px 30px rgba(43,27,75,.12);
  --shadow-lime:4px 4px 0 rgba(163,230,53,.35);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --space-section:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--deep);text-decoration:none;}
a:hover{color:var(--orange);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
h1{font-size:clamp(30px,4.4vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(23px,3vw,31px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:700;}
h4{font-size:17px;line-height:1.45;font-weight:600;}
p{color:var(--text-2);}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--deep);color:#fff;
  padding:10px 18px;border-radius:0 0 12px 0;z-index:200;
}
.skip-link:focus{left:0;color:#fff;}

/* ---------- 容器与板块 ---------- */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.section{padding:var(--space-section) 0;}
.section-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head .head-text{max-width:720px;}
.section-head p{margin-top:10px;font-size:14px;line-height:1.65;color:var(--text-3);}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--deep);background:rgba(163,230,53,.35);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;
  color:var(--deep);border-bottom:2px solid var(--lime);padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.text-link:hover{color:var(--orange);border-color:var(--orange);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-weight:700;font-size:15px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0);filter:brightness(.94);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-cta{background:var(--orange);color:var(--deep-end);box-shadow:0 6px 16px rgba(255,122,47,.28);}
.btn-cta:hover{background:var(--orange-hover);color:var(--deep-end);transform:translateY(-2px);}
.btn-outline{border-color:var(--deep);color:var(--deep);background:transparent;}
.btn-outline:hover{background:var(--deep);color:#fff;transform:translateY(-2px);}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:var(--bg);
  border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(43,27,75,.06);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:baseline;gap:7px;flex-shrink:0;}
.logo-mark{font-size:19px;font-weight:800;color:var(--deep);letter-spacing:.01em;}
.logo-sub{
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--deep);
  background:var(--lime);padding:3px 9px;border-radius:999px;
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.nav-link{
  position:relative;font-size:14.5px;font-weight:600;color:var(--deep);
  padding:10px 10px;border-radius:8px;transition:transform .2s ease,color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:4px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;border-radius:2px;
}
.nav-link:hover{color:var(--deep);transform:translateY(-1px);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--deep);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);background:#fff;
  border-radius:10px;padding:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--deep);border-radius:2px;transition:transform .2s 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);}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(135deg,var(--deep) 0%,var(--deep-end) 100%);
  padding:56px 0 64px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(163,230,53,.16) 0%,rgba(163,230,53,0) 70%);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px;}
.crumb a{color:rgba(255,255,255,.75);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{color:rgba(255,255,255,.35);}
.crumb .current{color:#fff;font-weight:600;}
.hero-badge{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--deep);background:var(--lime);padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.page-hero h1{color:#fff;max-width:860px;}
.page-hero .hero-sub{
  margin-top:18px;max-width:720px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);font-family:var(--mono);
  font-size:13px;letter-spacing:.02em;color:rgba(255,255,255,.6);
}
.hero-meta strong{color:var(--lime);font-weight:600;}
.hero-figure{
  margin-top:34px;border-radius:var(--radius-img);overflow:hidden;
  box-shadow:var(--shadow-lime);border:1px solid rgba(255,255,255,.14);
  aspect-ratio:21/9;background:#1B1030;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- 页签 ---------- */
.tabs-wrap{position:relative;}
.tab-input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;}
.tab-nav{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.tab-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 20px;border-radius:999px;border:1px solid var(--border);
  background:#fff;color:var(--text-2);font-size:15px;font-weight:600;
  cursor:pointer;transition:all .2s ease;user-select:none;
}
.tab-btn:hover{border-color:var(--deep);color:var(--deep);transform:translateY(-1px);}
.tab-btn .tab-dot{width:8px;height:8px;border-radius:50%;background:var(--border);transition:background-color .2s ease;}
.tab-input:focus-visible + .tab-nav ~ *{}
#tabA:checked ~ .tab-nav label[for="tabA"],
#tabB:checked ~ .tab-nav label[for="tabB"],
#tabC:checked ~ .tab-nav label[for="tabC"],
#tabD:checked ~ .tab-nav label[for="tabD"]{
  background:var(--lime);color:var(--deep);border-color:var(--lime);
  box-shadow:0 8px 18px rgba(163,230,53,.28);transform:none;
}
#tabA:checked ~ .tab-nav label[for="tabA"] .tab-dot,
#tabB:checked ~ .tab-nav label[for="tabB"] .tab-dot,
#tabC:checked ~ .tab-nav label[for="tabC"] .tab-dot,
#tabD:checked ~ .tab-nav label[for="tabD"] .tab-dot{background:var(--deep);}
#tabA:focus-visible ~ .tab-nav label[for="tabA"],
#tabB:focus-visible ~ .tab-nav label[for="tabB"],
#tabC:focus-visible ~ .tab-nav label[for="tabC"],
#tabD:focus-visible ~ .tab-nav label[for="tabD"]{outline:3px solid var(--lime);outline-offset:3px;}
.tab-panels{display:block;}
.tab-panel{display:none;}
#tabA:checked ~ .tab-panels .panel-a,
#tabB:checked ~ .tab-panels .panel-b,
#tabC:checked ~ .tab-panels .panel-c,
#tabD:checked ~ .tab-panels .panel-d{display:grid;}
.sec-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}

/* ---------- 卡片 ---------- */
.sec-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.sec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D3CBB8;}
.sec-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EFEBE2;}
.sec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.sec-card:hover .thumb img{transform:scale(1.03);}
.sec-card .card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--deep);background:rgba(163,230,53,.4);padding:5px 11px;border-radius:999px;
}
.tag-orange{background:rgba(255,122,47,.16);color:#B8501A;}
.tag-gray{background:rgba(43,27,75,.07);color:var(--text-2);}
.sec-card h3{margin-top:2px;}
.sec-card p{font-size:15px;line-height:1.78;color:var(--text-2);}
.check-list{display:grid;gap:9px;margin-top:4px;}
.check-list li{
  position:relative;padding-left:22px;font-size:14px;line-height:1.7;color:var(--text-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;
  background:var(--lime);box-shadow:0 0 0 3px rgba(163,230,53,.22);
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-foot .meta{font-family:var(--mono);font-size:12.5px;color:var(--text-3);letter-spacing:.02em;}

/* ---------- 警示条 ---------- */
.alert-section{padding:0 0 var(--space-section);}
.alert-bar{
  display:flex;gap:18px;align-items:flex-start;
  border:2px solid var(--orange);border-radius:var(--radius-card);
  background:#FFF7F1;padding:24px;
}
.alert-icon{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;background:var(--orange);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;
}
.alert-bar h3{margin-bottom:8px;color:#B8501A;}
.alert-bar p{font-size:15px;line-height:1.8;color:#6A4632;}
.alert-bar ul{margin-top:12px;display:grid;gap:8px;}
.alert-bar li{position:relative;padding-left:20px;font-size:14px;line-height:1.7;color:#6A4632;}
.alert-bar li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--orange);
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:48px;align-items:start;}
.faq-intro{position:sticky;top:104px;}
.faq-intro p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--text-2);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 22px 0;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s ease,padding-left .2s ease;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:-16px;top:18px;bottom:18px;width:4px;border-radius:4px;
  background:var(--orange);transform:scaleY(0);transform-origin:top;transition:transform .24s ease;
}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-item summary:hover{color:var(--orange);}
.faq-icon{
  flex-shrink:0;width:30px;height:30px;border-radius:9px;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;color:var(--deep);
  transition:transform .24s ease,background-color .24s ease,border-color .24s ease;
}
.faq-item[open] .faq-icon{background:var(--lime);border-color:var(--lime);transform:rotate(180deg);}
.faq-answer{padding:0 52px 24px 0;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-section{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--deep) 0%,var(--deep-end) 100%);
  padding:var(--space-section) 0;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.cta-inner h2{color:#fff;}
.cta-inner p{margin-top:16px;color:rgba(255,255,255,.76);font-size:15.5px;line-height:1.85;}
.cta-points{margin-top:24px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.84);}
.cta-points .num{
  flex-shrink:0;min-width:30px;height:30px;border-radius:999px;background:var(--lime);color:var(--deep-end);
  font-family:var(--mono);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;
}
.cta-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-lime);
}
.cta-card h3{color:#fff;margin-bottom:10px;}
.cta-card p{font-size:14.5px;color:rgba(255,255,255,.72);}
.cta-card .btn{margin-top:20px;}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.55);line-height:1.7;}

/* ---------- 返回条 ---------- */
.back-row{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding:36px 0 72px;
}
.back-row .back-text{font-size:15px;color:var(--text-2);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;color:#fff;background:var(--deep);padding-top:64px;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.footer-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;padding-bottom:48px;
}
.site-footer .logo-mark{color:#fff;}
.site-footer .logo-sub{background:var(--lime);color:var(--deep-end);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px;}
.footer-qr{margin-top:20px;display:flex;gap:12px;align-items:center;}
.footer-qr-box{
  width:64px;height:64px;border-radius:10px;background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.85) 0 4px,rgba(255,255,255,.12) 4px 8px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.85) 0 4px,rgba(255,255,255,.12) 4px 8px);
  border:1px solid rgba(255,255,255,.25);flex-shrink:0;
}
.footer-qr span{font-size:13px;line-height:1.6;color:rgba(255,255,255,.6);}
.footer-bottom{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 移动吸底 CTA ---------- */
.mobile-cta-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:120;
  background:var(--orange);padding:8px 16px;
  box-shadow:0 -6px 20px rgba(43,27,75,.18);
}
.mobile-cta-bar .btn{height:40px;background:var(--deep-end);color:#fff;width:100%;box-shadow:none;}
.mobile-cta-bar .btn:hover{background:var(--deep);}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  :root{--space-section:96px;}
}
@media (max-width:1279px){
  .main-nav{gap:2px;}
  .nav-link{font-size:14px;padding:10px 8px;}
  .nav-link::after{left:8px;right:8px;}
}
@media (max-width:1023px){
  .nav-wrap{height:60px;gap:14px;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-actions{display:none;}
  .main-nav{
    position:absolute;left:0;right:0;top:60px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);
    padding:0 24px;max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease;
    box-shadow:0 16px 28px rgba(43,27,75,.1);
  }
  .main-nav.is-open{max-height:460px;padding:10px 24px 20px;}
  .nav-link{
    display:flex;align-items:center;justify-content:space-between;
    height:54px;padding:0 4px;font-size:16px;border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .nav-link:last-child{border-bottom:0;}
  .nav-link::before{
    content:"›";order:2;font-size:20px;color:var(--text-3);line-height:1;
  }
  .nav-link.is-active{color:var(--orange);}
  .nav-link.is-active::before{color:var(--orange);}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-intro{position:static;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .sec-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  :root{--space-section:56px;}
  .container{padding:0 20px;}
  .page-hero{padding:40px 0 48px;}
  .hero-figure{aspect-ratio:16/10;margin-top:26px;}
  .hero-meta{font-size:12.5px;gap:8px 16px;}
  .tab-nav{gap:8px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .tab-btn{flex:0 0 auto;padding:10px 16px;font-size:14px;}
  .tab-btn .tab-dot{display:none;}
  .sec-card .card-body{padding:18px;}
  .alert-bar{flex-direction:column;padding:20px;}
  .faq-answer{padding-right:0;}
  .back-row{padding:28px 0 96px;flex-direction:column;align-items:flex-start;}
  .mobile-cta-bar{display:block;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;padding-bottom:96px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px;}
  h2{font-size:22px;}
  .card-foot{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category3 */
:root{
  --ink:#1C1630;
  --ink-2:#5B5570;
  --ink-3:#8C8799;
  --brand:#2B1B4B;
  --brand-2:#1B1030;
  --lime:#A3E635;
  --orange:#FF7A2F;
  --orange-h:#FF8A45;
  --bg:#F5F3EE;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --border:#E0DACB;
  --ok:#1FB57A;
  --warn:#F5A524;
  --err:#E5484D;
  --r-card:14px;
  --r-btn:12px;
  --r-img:18px;
  --r-input:10px;
  --shadow:0 1px 0 #E4E0D6, 0 10px 24px rgba(43,27,75,.06);
  --shadow-h:0 14px 30px rgba(43,27,75,.12);
  --mono:"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.hatch{background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px)}
.mono{font-family:var(--mono);letter-spacing:.02em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-cta{background:var(--orange);color:var(--brand-2)}
.btn-cta:hover{background:var(--orange-h);transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,122,47,.28)}
.btn-cta:active{transform:translateY(0);background:#F26D24}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-ghost:hover{background:#fff;color:var(--brand);transform:translateY(-2px)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-block{width:100%}

/* ---------- 标签与徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:5px 12px;border-radius:999px;
  background:rgba(163,230,53,.22);color:#3F5B12;
}
.tag-dark{background:rgba(255,255,255,.12);color:var(--lime)}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  color:rgba(255,255,255,.86);font-size:13px;font-weight:600;
  background:rgba(255,255,255,.06);
}
.badge i{width:8px;height:8px;border-radius:999px;background:var(--lime);display:block}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 20px rgba(43,27,75,.06)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:baseline;gap:8px;flex-shrink:0}
.logo-mark{font-size:19px;font-weight:800;color:var(--brand);letter-spacing:.01em}
.logo-sub{
  font-size:12px;font-weight:700;color:var(--brand-2);
  background:var(--lime);padding:3px 8px;border-radius:999px;letter-spacing:.04em;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1}
.nav-link{
  position:relative;padding:8px 12px;font-size:14.5px;font-weight:600;color:var(--brand);
  border-radius:8px;transition:color .2s ease,transform .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{transform:translateY(-1px)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-2)}
.nav-link.is-active::after{transform:scaleX(1);background:var(--orange)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.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)}

.drawer{
  position:fixed;top:60px;left:0;right:0;bottom:0;z-index:70;
  background:#fff;padding:12px 20px 90px;overflow-y:auto;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.drawer.open{opacity:1;visibility:visible;transform:none}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:54px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--brand);
}
.drawer-link.is-active{color:#C2560F}
.drawer-link span:last-child{color:var(--ink-3);font-size:18px}
.drawer-foot{margin-top:20px;display:flex;flex-direction:column;gap:10px}

.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:75;
  height:64px;background:var(--orange);display:none;
  align-items:center;justify-content:space-between;gap:12px;padding:0 20px;
  transform:translateY(100%);transition:transform .24s ease;
  box-shadow:0 -6px 18px rgba(43,27,75,.14);
}
.sticky-cta.show{transform:none}
.sticky-cta span{font-size:14px;font-weight:700;color:var(--brand-2)}
.sticky-cta a{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  background:var(--brand-2);color:#fff;border-radius:10px;font-size:14px;font-weight:700;
}

/* ---------- 首屏 ---------- */
.hero{
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#fff;padding:40px 0 72px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.78);text-decoration:underline;text-underline-offset:3px}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .cur{color:var(--lime);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-title{font-size:clamp(30px,4.4vw,44px);line-height:1.22;font-weight:800;letter-spacing:.005em}
.hero-title em{font-style:normal;color:var(--lime)}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);max-width:520px}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-media{border-radius:var(--r-img);overflow:hidden;box-shadow:10px 10px 0 rgba(163,230,53,.35);aspect-ratio:16/10}
.hero-media img{width:100%;height:100%;object-fit:cover}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-title{font-size:clamp(23px,3vw,31px);line-height:1.3;font-weight:700;color:var(--brand)}
.sec-desc{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:640px;line-height:1.75}
.sec-link{font-size:14px;font-weight:700;color:#C2560F;border-bottom:2px solid var(--lime);padding-bottom:2px}
.sec-link:hover{color:var(--brand)}

/* ---------- 合作角色卡 ---------- */
.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:#CFC7B4}
.card-media{aspect-ratio:16/9;overflow:hidden;background:#E9E5DB}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-title{font-size:20px;font-weight:700;color:var(--brand);line-height:1.4}
.card-text{font-size:15px;color:var(--ink-2);line-height:1.75}
.card-more{margin-top:auto;font-size:14px;font-weight:700;color:#C2560F;display:inline-flex;align-items:center;gap:6px}
.card-more::after{content:"→";transition:transform .2s ease}
.card:hover .card-more::after{transform:translateX(4px)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:12px;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:23px;top:18px;bottom:24px;width:2px;
  background:linear-gradient(180deg,var(--lime) 0%,var(--lime) 40%,var(--border) 100%);
}
.tl-item{position:relative;padding-left:76px;margin-bottom:28px}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  position:absolute;left:0;top:6px;width:48px;height:48px;border-radius:999px;
  background:var(--lime);color:var(--brand-2);font-family:var(--mono);
  font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:center;
  border:3px solid #fff;box-shadow:0 6px 16px rgba(43,27,75,.16);z-index:2;
}
.tl-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h)}
.tl-card h3{font-size:20px;font-weight:700;color:var(--brand);margin-bottom:10px}
.tl-card p{font-size:15.5px;color:var(--ink-2)}
.tl-meta{margin-top:14px;display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);font-family:var(--mono)}
.tl-meta strong{color:#C2560F;font-weight:700}

/* ---------- 权益对照 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow);
}
.compare-col.accent{border-color:#D6E8AE;background:linear-gradient(180deg,#FCFDF7 0%,#fff 100%)}
.compare-col h3{font-size:20px;font-weight:700;color:var(--brand);display:flex;align-items:center;gap:10px;margin-bottom:18px}
.compare-col h3 i{width:10px;height:10px;border-radius:3px;background:var(--orange);display:block}
.compare-col.accent h3 i{background:var(--lime)}
.compare-list li{
  position:relative;padding-left:26px;margin-bottom:14px;font-size:15px;color:var(--ink-2);line-height:1.75;
}
.compare-list li:last-child{margin-bottom:0}
.compare-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:4px;
  background:rgba(163,230,53,.5);border:1px solid #B7E05C;
}
.compare-col:not(.accent) .compare-list li::before{background:rgba(255,122,47,.16);border-color:#F0B389}

/* ---------- 表单与 CTA ---------- */
.cta-band{
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#fff;padding:88px 0;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.cta-title{font-size:clamp(23px,3vw,31px);line-height:1.3;font-weight:700}
.cta-text{margin-top:16px;font-size:16px;color:rgba(255,255,255,.76);max-width:480px}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.86)}
.cta-points li::before{content:"";width:8px;height:8px;border-radius:999px;background:var(--lime);margin-top:10px;flex-shrink:0}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:28px;
  box-shadow:4px 4px 0 rgba(163,230,53,.35);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{
  height:48px;border:1px solid var(--border);border-radius:var(--r-input);
  padding:0 14px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border:2px solid var(--orange);
}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#CFC7B4}
.success-bar{
  display:none;margin-top:16px;padding:12px 16px;border-radius:10px;
  background:#EDFBD8;border:1px solid #C6E98A;color:#3F5B12;font-size:14px;font-weight:600;
}
.success-bar.show{display:block}
.form-note{margin-top:14px;font-size:13px;color:var(--ink-3);line-height:1.65}
.form-card .btn{margin-top:22px}

/* ---------- 尾部收尾 ---------- */
.tail{padding:64px 0;background:#fff}
.tail-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  border:1px dashed var(--border);border-radius:var(--r-card);padding:28px;
}
.tail-inner p{font-size:15px;color:var(--ink-2);max-width:520px}
.back-link{font-size:14px;font-weight:700;color:#C2560F;text-decoration:underline;text-underline-offset:3px}
.back-link:hover{color:var(--brand)}
.tail-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#fff;padding:64px 0 0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px),
                   linear-gradient(140deg,var(--brand) 0%,var(--brand-2) 100%);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;max-width:320px}
.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,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.footer-qr{margin-top:18px;display:flex;gap:12px;align-items:center}
.footer-qr-box{
  width:64px;height:64px;border-radius:10px;flex-shrink:0;
  background:repeating-conic-gradient(#fff 0 25%,transparent 0 50%) 0 0/12px 12px;
  border:1px solid rgba(255,255,255,.25);
}
.footer-qr span{font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.6}
.footer-bottom{
  margin-top:48px;padding:20px 24px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .main-nav{margin-left:0}
  .nav-link{padding:8px 9px;font-size:14px}
  .nav-actions .btn-outline{display:none}
}
@media (max-width:1023px){
  .main-nav,.nav-actions{display:none}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-sub{max-width:none}
  .role-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .nav-wrap{height:60px;gap:12px}
  .logo-mark{font-size:17px}
  .section{padding:56px 0}
  .hero{padding:28px 0 56px}
  .hero-badges{gap:8px}
  .badge{font-size:12px;padding:7px 12px}
  .role-grid{grid-template-columns:1fr}
  .compare-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .sec-head{margin-bottom:28px}
  .hero-actions .btn{flex:1;min-width:150px}
  .tl-item{padding-left:64px}
  .tl-node{width:42px;height:42px;font-size:14px}
  .timeline::before{left:20px}
  .card-body{padding:18px}
  .tl-card,.compare-col,.form-card{padding:18px}
  .cta-band{padding:56px 0}
  .sticky-cta{display:flex}
  .tail{padding:48px 0}
  .tail-actions{width:100%}
  .tail-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .footer-brand p{max-width:none}
  .footer-bottom{font-size:12.5px}
}
@media (max-width:520px){
  .hero-title{font-size:26px}
  .sec-title{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category4 */
:root{
  --brand-900:#2B1B4B;
  --brand-950:#1B1030;
  --lime:#A3E635;
  --lime-soft:rgba(163,230,53,.16);
  --orange:#FF7A2F;
  --orange-hover:#FF8A45;
  --bg:#F5F3EE;
  --surface:#FFFFFF;
  --line:#E4E0D6;
  --card-line:#E0DACB;
  --text:#1C1630;
  --text-2:#5B5570;
  --text-3:#8C8799;
  --ok:#1FB57A;
  --warn:#F5A524;
  --err:#E5484D;
  --r-card:14px;
  --r-btn:12px;
  --r-img:18px;
  --r-pill:999px;
  --r-input:10px;
  --sh-card:0 1px 0 #E4E0D6, 0 10px 24px rgba(43,27,75,.06);
  --sh-card-hover:0 14px 30px rgba(43,27,75,.12);
  --sh-lime:4px 4px 0 rgba(163,230,53,.35);
  --mono:"SFMono-Regular",Menlo,Consolas,"Roboto Mono","Courier New",monospace;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:56px 0}
.section-head{margin-bottom:40px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--brand-900);background:var(--lime-soft);
  border:1px solid rgba(163,230,53,.55);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
h1,h2,h3,h4{color:var(--text);letter-spacing:-.01em}
.h1{font-size:clamp(30px,4.4vw,44px);line-height:1.22;font-weight:800}
.h2{font-size:clamp(23px,3vw,31px);line-height:1.3;font-weight:700}
.h3{font-size:20px;line-height:1.45;font-weight:700}
.h4{font-size:17px;line-height:1.5;font-weight:600}
.lead{font-size:17px;line-height:1.85;color:var(--text-2)}
.muted{font-size:14px;line-height:1.65;color:var(--text-2)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-cta{background:var(--orange);color:var(--brand-950);box-shadow:0 6px 16px rgba(255,122,47,.28)}
.btn-cta:hover{background:var(--orange-hover);transform:translateY(-2px)}
.btn-cta:active{transform:translateY(0);background:#F06E24}
.btn-outline{border-color:var(--brand-900);color:var(--brand-900);background:transparent}
.btn-outline:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.32);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--brand-900);border-bottom:2px solid transparent;transition:.2s ease;
}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover{border-color:var(--lime)}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;background:rgba(245,243,238,.96);
  border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(43,27,75,.07)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;flex-direction:column;line-height:1.05;flex-shrink:0}
.logo-mark{font-size:19px;font-weight:800;color:var(--brand-900);letter-spacing:-.02em}
.logo-sub{font-size:11px;font-weight:600;letter-spacing:.22em;color:var(--orange)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;border-radius:8px;
  font-size:14.5px;font-weight:500;color:var(--text-2);white-space:nowrap;
  transition:color .18s ease,transform .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand-900);transform:translateY(-1px)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-900);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--card-line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:.2s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 公告提示行 ---------- */
.notice-bar{
  background:#FFF6EC;border-bottom:1px solid rgba(255,122,47,.28);
}
.notice-bar .container{display:flex;align-items:flex-start;gap:12px;padding-top:14px;padding-bottom:14px}
.notice-tag{
  flex-shrink:0;font-size:12px;font-weight:700;letter-spacing:.04em;
  color:#8A3B00;background:rgba(255,122,47,.18);border:1px solid rgba(255,122,47,.45);
  border-radius:var(--r-pill);padding:3px 12px;margin-top:4px;
}
.notice-text{font-size:14.5px;line-height:1.7;color:#6B3A12}
.notice-text a{font-weight:700;color:#8A3B00;border-bottom:1.5px solid rgba(255,122,47,.6)}
.notice-text a:hover{border-color:var(--orange)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background:
    linear-gradient(45deg,rgba(255,255,255,.05) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.05) 50%,rgba(255,255,255,.05) 75%,transparent 75%),
    linear-gradient(135deg,var(--brand-900) 0%,var(--brand-950) 100%);
  background-size:14px 14px,100% 100%;
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:64px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:var(--lime);text-decoration:underline}
.breadcrumb .sep{color:rgba(255,255,255,.35)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-title{font-size:clamp(28px,4vw,42px);line-height:1.24;font-weight:800;color:#fff;letter-spacing:-.02em}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.66);
}
.hero-meta b{color:#fff;font-weight:600}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-lime);border:1px solid rgba(255,255,255,.12);
}
.hero-figure figcaption{
  margin-top:12px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.6;
}
.hero-badge{
  position:absolute;left:-14px;top:18px;background:var(--lime);color:var(--brand-950);
  font-size:12px;font-weight:700;letter-spacing:.04em;border-radius:var(--r-pill);
  padding:7px 14px;box-shadow:0 10px 22px rgba(0,0,0,.22);
}

/* ---------- 编号卡 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rule-card{
  background:var(--surface);border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-card);
  transition:transform .24s ease,box-shadow .24s ease;
}
.rule-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover)}
.rule-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:30px;border-radius:var(--r-pill);
  background:var(--lime);color:var(--brand-950);
  font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.02em;
}
.rule-card h3{margin-top:18px}
.rule-card p{margin-top:12px;font-size:14.5px;line-height:1.78;color:var(--text-2)}
.rule-card .rule-foot{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:13px;
  font-weight:600;color:var(--brand-900);
}
.rule-card .rule-foot::after{content:"→"}

/* ---------- 调整一览 ---------- */
.log-panel{
  background:var(--surface);border:1px solid var(--card-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
}
.log-row{
  display:grid;grid-template-columns:170px 1fr;gap:24px;
  padding:22px 26px;border-bottom:1px solid var(--line);align-items:start;
}
.log-row:last-child{border-bottom:0}
.log-row:hover{background:#FBFAF6}
.log-date{
  font-family:var(--mono);font-size:13px;font-weight:600;color:var(--brand-900);
  letter-spacing:.02em;padding-top:2px;
}
.log-date span{display:block;font-family:var(--sans);font-size:12px;font-weight:600;color:var(--orange);letter-spacing:.04em;margin-top:4px}
.log-body h4{font-size:16px;font-weight:700}
.log-body p{margin-top:8px;font-size:14.5px;line-height:1.78;color:var(--text-2)}

/* ---------- 双列问答 ---------- */
.qa-list{border-top:1px solid var(--line)}
.qa-item{
  display:grid;grid-template-columns:minmax(240px,360px) 1fr;gap:36px;
  padding:28px 4px;border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.qa-item:hover{background:#FBF9F4}
.qa-q{font-size:17px;font-weight:700;line-height:1.55;color:var(--text);position:relative;padding-left:18px}
.qa-q::before{
  content:"";position:absolute;left:0;top:8px;width:4px;height:18px;
  border-radius:2px;background:var(--orange);
}
.qa-a{font-size:15px;line-height:1.9;color:var(--text-2)}
.qa-a strong{color:var(--text);font-weight:600}

/* ---------- 收尾返回 ---------- */
.return-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:var(--surface);border:1px dashed var(--card-line);border-radius:var(--r-card);
  padding:26px 28px;
}
.return-strip .h3{font-size:18px}
.return-strip p{margin-top:6px;font-size:14px;color:var(--text-2)}

/* ---------- CTA / 表单 ---------- */
.cta{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--brand-900) 0%,var(--brand-950) 100%);color:#fff}
.cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(45deg,rgba(255,255,255,.05) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.05) 50%,rgba(255,255,255,.05) 75%,transparent 75%);
  background-size:14px 14px;
}
.cta .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;padding:80px 0}
.cta h2{color:#fff}
.cta .lead{color:rgba(255,255,255,.76)}
.cta-list{margin-top:26px;display:grid;gap:14px}
.cta-list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:rgba(255,255,255,.82)}
.cta-list li::before{
  content:"";flex-shrink:0;width:18px;height:18px;margin-top:5px;border-radius:50%;
  background:rgba(163,230,53,.2);border:1.5px solid var(--lime);
  box-shadow:inset 0 0 0 3px rgba(27,16,48,.85);
}
.cta-foot{margin-top:26px;font-size:13px;color:rgba(255,255,255,.55);line-height:1.7}

.form-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:28px;box-shadow:0 20px 40px rgba(0,0,0,.22);
}
.form-card h3{font-size:19px}
.form-card > p{margin-top:8px;font-size:14px;color:var(--text-2)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:600;color:var(--text)}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--card-line);
  border-radius:var(--r-input);background:#fff;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,122,47,.16);
}
.field .err-msg{font-size:12px;color:var(--err);display:none}
.field.has-error input,.field.has-error select{border-color:var(--err)}
.field.has-error .err-msg{display:block}
.form-actions{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.form-note{font-size:12.5px;color:var(--text-3);line-height:1.6}
.form-success{
  display:none;margin-top:18px;padding:14px 16px;border-radius:var(--r-input);
  background:rgba(163,230,53,.18);border:1px solid rgba(163,230,53,.6);
  font-size:14px;color:#2F4A05;line-height:1.7;
}
.form-success.is-visible{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;background:var(--brand-900);color:#fff;padding-top:64px;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(45deg,rgba(255,255,255,.05) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.05) 50%,rgba(255,255,255,.05) 75%,transparent 75%);
  background-size:14px 14px;
}
.site-footer .container{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-mark{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-col a:hover{color:var(--lime);text-decoration:underline}
.footer-qr{margin-top:18px;display:flex;gap:12px;align-items:center}
.footer-qr-box{
  width:64px;height:64px;flex-shrink:0;border-radius:10px;border:1px solid rgba(255,255,255,.24);
  background:
    linear-gradient(45deg,rgba(255,255,255,.14) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.14) 50%,rgba(255,255,255,.14) 75%,transparent 75%);
  background-size:10px 10px;
}
.footer-qr span{font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.6)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:20px 24px 26px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 移动吸底 ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;
  height:56px;background:var(--orange);align-items:center;justify-content:space-between;
  padding:0 18px;box-shadow:0 -6px 20px rgba(43,27,75,.2);
}
.mobile-cta span{font-size:13.5px;font-weight:700;color:var(--brand-950)}
.mobile-cta a{
  background:var(--brand-950);color:#fff;font-size:13.5px;font-weight:700;
  border-radius:10px;padding:10px 16px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;bottom:0;z-index:88;
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:16px 20px 90px;
    background:var(--bg);border-top:1px solid var(--line);overflow-y:auto;
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:.22s ease;
  }
  body.nav-open .main-nav{transform:translateY(0);opacity:1;visibility:visible}
  .nav-link{
    height:54px;display:flex;align-items:center;justify-content:space-between;
    padding:0 6px;font-size:16px;font-weight:600;color:var(--text);
    border-bottom:1px solid var(--line);border-radius:0;
  }
  .nav-link::after{display:none}
  .nav-link::before{content:"›";order:2;color:var(--text-3);font-size:20px;line-height:1}
  .nav-link.is-active{color:var(--brand-900)}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-actions{display:none}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-figure{order:-1}
  .hero-badge{left:12px;top:12px}
  .cta-grid{grid-template-columns:1fr;gap:36px;padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rule-grid{grid-template-columns:1fr 1fr}
  .qa-item{grid-template-columns:1fr;gap:14px}
  .log-row{grid-template-columns:140px 1fr;gap:18px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:40px 0}
  .nav-wrap{height:60px;gap:12px}
  .main-nav{top:60px}
  .logo-mark{font-size:17px}
  .page-hero .container{padding-top:36px;padding-bottom:44px}
  .hero-actions .btn{width:100%}
  .rule-grid{grid-template-columns:1fr}
  .log-row{grid-template-columns:1fr;gap:8px;padding:20px}
  .qa-item{padding:22px 2px}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px 18px}
  .return-strip{padding:22px 18px}
  .return-strip .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:36px}
  .footer-brand{grid-column:1 / -1}
  .footer-brand p{max-width:none}
  .footer-bottom{padding:18px 20px 92px;font-size:12.5px}
  .mobile-cta{display:flex}
  body{padding-bottom:56px}
}
@media (max-width:520px){
  .hero-meta{font-size:12.5px;gap:8px 16px}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .notice-bar .container{flex-direction:column;gap:8px}
  .notice-tag{margin-top:0}
}