/* roulang page: index */
/* ============ 1. 设计变量 ============ */
:root{
  --brand-900:#0B3D33;--brand-700:#0F5748;--brand-600:#12705C;--brand-500:#1A8A72;--brand-50:#E8F2EE;
  --accent-600:#C25A24;--accent-500:#E07A3F;--accent-50:#FBEEDF;
  --ink-900:#16211E;--ink-700:#3C4A46;--ink-500:#6B7A75;
  --bg:#F7F4ED;--surface:#FFFFFF;--surface-2:#F1EDE3;--line:#E4DECF;--line-strong:#CFC7B4;
  --ok:#1A8A72;--warn:#C9891F;--err:#B4432F;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Consolas,monospace;
  --r-xs:4px;--r-sm:8px;--r-md:12px;--r-lg:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,30,.06);
  --sh-2:0 6px 18px -8px rgba(22,33,30,.14);
  --sh-3:0 18px 40px -18px rgba(11,61,51,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:68px;
}
/* ============ 2. reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink-900);
  font-family:var(--font-sans);font-size:16px;line-height:1.9;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em}
p{margin:0 0 1em;max-width:780px}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:var(--r-xs)}
::selection{background:var(--brand-50);color:var(--brand-900)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}
/* ============ 3. 布局 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--surface-2)}
.section--paper{background:var(--surface)}
.section-head{max-width:780px;margin-bottom:48px}
.section-head h2{font-size:30px;margin-bottom:12px}
.section-head p{color:var(--ink-700);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;
  color:var(--brand-700);margin-bottom:12px;
}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--accent-500);border-radius:2px}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
/* ============ 4. 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;height:var(--header-h);
  background:transparent;border-bottom:1px solid transparent;
  transition:background-color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:var(--accent-500);color:var(--brand-900);box-shadow:var(--sh-1);flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:#FBF8F1}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.main-nav a{
  position:relative;font-size:15px;padding:6px 0;color:rgba(251,248,241,.86);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent-500);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1)}
.main-nav a:hover{color:#FFFFFF}
.main-nav a.is-active{color:#FFFFFF;font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);color:#FBF8F1;
  place-items:center;
}
.nav-toggle svg{width:22px;height:22px}
.site-header.is-scrolled{background:var(--surface);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.site-header.is-scrolled .brand-text{color:var(--ink-900)}
.site-header.is-scrolled .main-nav a{color:var(--ink-700)}
.site-header.is-scrolled .main-nav a.is-active{color:var(--ink-900)}
.site-header.is-scrolled .nav-toggle{color:var(--ink-900)}
/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:130;background:var(--brand-900);
  display:none;flex-direction:column;padding:20px 20px 32px;
}
.drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:48px;margin-bottom:24px}
.drawer-top .brand-text{color:#FBF8F1}
.drawer-close{width:44px;height:44px;display:grid;place-items:center;color:#FBF8F1}
.drawer-close svg{width:22px;height:22px}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;font-size:17px;color:#FBF8F1;border-bottom:1px dashed rgba(251,248,241,.24);
}
.drawer-nav a.is-active{color:var(--accent-500);font-weight:600}
.drawer-cta{margin-top:auto;padding-top:24px}
/* ============ 5. 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand-700);color:#FFFFFF}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:#FFFFFF;border-color:var(--line-strong);color:var(--brand-700)}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50)}
.btn-on-dark{background:var(--accent-500);color:#2B1508}
.btn-on-dark:hover{background:var(--accent-600);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-link{color:var(--accent-600);font-weight:600;font-size:15px;border-bottom:2px solid transparent}
.btn-link:hover{border-bottom-color:var(--accent-500)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.6;pointer-events:none}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;line-height:1;background:var(--brand-50);color:var(--brand-700);font-weight:600;
}
.badge-time{background:var(--surface-2);color:var(--ink-500)}
.badge-accent{background:var(--accent-50);color:var(--accent-600)}
/* ============ 6. Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--brand-900);color:#FBF8F1}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(11,61,51,.94) 0%,rgba(11,61,51,.82) 44%,rgba(11,61,51,.46) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;
  padding:132px 32px 96px;min-height:600px;
}
.hero-copy h1{font-size:42px;line-height:1.25;margin-bottom:18px;color:#FFFFFF}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(251,248,241,.86);max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px 24px;border-top:1px dashed rgba(251,248,241,.28);padding-top:20px}
.hero-tags li{font-size:14px;color:rgba(251,248,241,.82);display:flex;align-items:center;gap:8px}
.hero-tags li::before{content:"";width:6px;height:6px;background:var(--accent-500);border-radius:1px}
/* 票券卡片 */
.ticket{
  position:relative;background:var(--surface);color:var(--ink-900);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-3);
}
.ticket::before{
  content:"";position:absolute;inset:10px;border:1px dashed var(--line-strong);border-radius:var(--r-md);pointer-events:none;
}
.ticket-head{position:relative;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px dashed var(--line);margin-bottom:16px}
.ticket-num{font-family:var(--font-num);font-size:13px;color:var(--ink-500);letter-spacing:.06em}
.ticket-title{font-size:20px;margin-top:6px}
.ticket-seal{
  width:46px;height:46px;border-radius:10px;background:var(--accent-50);border:1px solid var(--accent-500);
  display:grid;place-items:center;flex-shrink:0;color:var(--accent-600);font-family:var(--font-num);font-size:13px;font-weight:700;
  transform:rotate(-4deg);
}
.ticket-media{position:relative;aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:var(--surface-2);margin-bottom:16px}
.ticket-media img{width:100%;height:100%;object-fit:cover}
.ticket-list{position:relative;display:grid;gap:10px}
.ticket-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--ink-700);padding:10px 12px;background:var(--surface-2);border-radius:var(--r-sm)}
.ticket-list li span:last-child{font-family:var(--font-num);font-size:13px;color:var(--brand-700)}
/* ============ 7. 步骤条 ============ */
.step-line{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:8px}
.step-line::before{content:"";position:absolute;left:26px;right:26px;top:26px;border-top:2px dashed var(--line-strong)}
.step-item{position:relative;padding-top:72px}
.step-num{
  position:absolute;top:0;left:0;width:54px;height:54px;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-md);
  font-family:var(--font-num);font-size:16px;font-weight:700;color:var(--brand-700);box-shadow:var(--sh-1);
}
.step-item h3{font-size:20px;margin-bottom:10px}
.step-item p{font-size:15px;color:var(--ink-700);margin:0;max-width:340px}
.step-note{margin-top:10px;font-size:13px;color:var(--ink-500)}
/* ============ 8. 案例错落网格 ============ */
.case-grid{display:grid;grid-template-columns:1.4fr 1fr;grid-template-rows:auto auto;gap:24px}
.case-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.case-card--lg{grid-row:span 2;display:flex;flex-direction:column}
.case-media{position:relative;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden}
.case-card--lg .case-media{aspect-ratio:16/10}
.case-media img{width:100%;height:100%;object-fit:cover}
.case-body{padding:24px}
.case-card--row{display:grid;grid-template-columns:150px 1fr;align-items:stretch}
.case-card--row .case-media{aspect-ratio:auto;height:100%;min-height:100%}
.case-card--row .case-body{padding:20px}
.case-body h3{font-size:18px;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--ink-700);margin-bottom:14px;max-width:100%}
.metrics{display:flex;flex-wrap:wrap;gap:16px;border-top:1px dashed var(--line);padding-top:14px}
.metric{min-width:76px}
.metric b{display:block;font-family:var(--font-num);font-size:18px;color:var(--brand-700);line-height:1.4}
.metric span{font-size:12px;color:var(--ink-500)}
/* ============ 9. 反馈滑区 ============ */
.feed-scroll{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.feed-scroll::-webkit-scrollbar{height:6px}
.feed-scroll::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:var(--r-pill)}
.feed-card{
  flex:0 0 296px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
}
.feed-card .feed-media{aspect-ratio:16/9;background:var(--surface-2)}
.feed-card .feed-media img{width:100%;height:100%;object-fit:cover}
.feed-body{padding:20px}
.feed-quote{font-size:15px;color:var(--ink-700);line-height:1.8;margin-bottom:14px}
.feed-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500)}
/* ============ 10. 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-card:hover .news-title{color:var(--brand-700)}
.news-card--lead{grid-column:1 / -1;flex-direction:row;display:grid;grid-template-columns:1.05fr 1fr;align-items:stretch}
.news-media{aspect-ratio:16/9;background:var(--surface-2);overflow:hidden}
.news-card--lead .news-media{aspect-ratio:auto;height:100%;min-height:240px}
.news-media img{width:100%;height:100%;object-fit:cover}
.news-body{padding:24px;display:flex;flex-direction:column;gap:12px}
.news-card--lead .news-body{padding:32px;justify-content:center}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.news-title{font-size:17px;line-height:1.55}
.news-card--lead .news-title{font-size:24px}
.news-excerpt{
  font-size:14px;color:var(--ink-700);margin:0;max-width:100%;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{margin-top:auto;font-size:13px;color:var(--accent-600);font-weight:600}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-md);padding:48px 24px;text-align:center;
  background:var(--surface);color:var(--ink-500);
}
.empty-state svg{width:44px;height:44px;color:var(--line-strong);margin-bottom:12px}
.empty-state p{font-size:15px;margin-bottom:16px;max-width:none}
/* ============ 11. FAQ ============ */
.faq-layout{display:grid;grid-template-columns:308px 1fr;gap:56px;align-items:start}
.faq-aside h2{font-size:30px;margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--ink-700)}
.faq-aside-note{
  margin-top:24px;padding:16px;border-left:3px solid var(--accent-500);background:var(--accent-50);
  border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:14px;color:var(--accent-600);
}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 44px 20px 20px;position:relative;
  font-size:17px;font-weight:600;color:var(--ink-900);transition:background-color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:20px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--ink-500);border-bottom:2px solid var(--ink-500);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary:hover{background:var(--brand-50)}
.faq-item[open] summary{color:var(--brand-700)}
.faq-item[open] .faq-answer{
  border-left:3px solid var(--accent-500);background:var(--accent-50);
  margin:0 0 20px 0;padding:16px 20px;border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.faq-answer{font-size:15px;color:var(--ink-700);padding:0 20px 20px 20px;max-width:720px}
/* ============ 12. CTA 条带 ============ */
.cta-band{position:relative;background:var(--brand-900);color:#FBF8F1;overflow:hidden}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 452px;gap:56px;padding:88px 32px;align-items:center}
.cta-copy h2{font-size:30px;color:#FFFFFF;margin-bottom:14px}
.cta-copy p{color:rgba(251,248,241,.84);font-size:15px;max-width:520px}
.cta-divider{border:0;border-top:2px dashed rgba(251,248,241,.26);margin:28px 0}
.cta-points{display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;font-size:14px;color:rgba(251,248,241,.86)}
.cta-points li::before{content:"";flex:0 0 6px;height:6px;margin-top:11px;background:var(--accent-500);border-radius:1px}
.form-card{background:var(--surface);border-radius:var(--r-md);padding:28px;box-shadow:var(--sh-3)}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card .form-hint{font-size:13px;color:var(--ink-500);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--ink-700);margin-bottom:6px;font-weight:600}
.field input,.field textarea{
  width:100%;background:#FFFFFF;border:1px solid var(--line-strong);border-radius:var(--r-sm);
  padding:12px 14px;font-size:15px;line-height:1.6;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field input{height:46px;padding:0 14px}
.field textarea{min-height:96px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-500)}
.field input:focus,.field textarea:focus{border-color:var(--accent-500);box-shadow:0 0 0 2px rgba(224,122,63,.32);outline:none}
.field.has-error input,.field.has-error textarea{border-color:var(--err)}
.field.has-ok input,.field.has-ok textarea{border-color:var(--ok)}
.field-error{display:none;font-size:13px;color:var(--err);margin-top:6px}
.field.has-error .field-error{display:block}
.form-privacy{font-size:13px;color:var(--ink-500);margin-top:12px;line-height:1.7}
.form-alert{
  display:none;margin-bottom:16px;padding:12px 14px;border-radius:var(--r-sm);
  background:#F7E7E2;color:#7C2D1C;font-size:14px;
}
.form-alert.is-visible{display:block}
.form-success{
  display:none;margin-bottom:16px;padding:12px 14px;border-radius:var(--r-sm);
  background:var(--brand-50);color:var(--brand-700);font-size:14px;
}
.form-success.is-visible{display:block}
/* ============ 13. 页脚 ============ */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);color:var(--ink-700)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding:64px 32px 40px}
.footer-col h3{font-size:15px;color:var(--ink-900);margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:8px}
.footer-brand span{font-size:16px;font-weight:700;color:var(--ink-900)}
.footer-col p{font-size:14px;color:var(--ink-500);max-width:320px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--ink-700)}
.footer-links a:hover{color:var(--accent-500)}
.footer-contact{display:grid;gap:10px;font-size:14px}
.footer-contact strong{font-family:var(--font-num);font-weight:600;color:var(--ink-900);letter-spacing:.02em}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 32px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:var(--ink-500);
}
/* ============ 14. 移动底栏 ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:calc(56px + env(safe-area-inset-bottom));z-index:110;
  background:var(--brand-700);color:#FFFFFF;display:none;align-items:center;justify-content:space-between;
  gap:12px;padding:10px 20px;transform:translateY(120%);
  transition:transform .22s var(--ease);
}
.sticky-cta.is-visible{transform:translateY(0)}
.sticky-cta span{font-size:14px}
.sticky-cta .btn{height:38px;padding:0 16px;font-size:14px}
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:115;display:none;
  background:var(--surface);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);height:56px}
.tab-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:10px;color:var(--ink-500);min-height:44px;
}
.tab-item svg{width:22px;height:22px}
.tab-item.is-active{color:var(--brand-700);font-weight:600}
/* ============ 15. 响应式 ============ */
@media (max-width:1279px){
  .hero-inner{padding:124px 32px 88px;gap:48px}
  .hero-copy h1{font-size:38px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:116px 24px 72px;min-height:0}
  .hero-copy h1{font-size:32px}
  .ticket{max-width:560px}
  .case-grid{grid-template-columns:1fr}
  .case-card--lg{grid-row:auto}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card--lead{grid-template-columns:1fr;flex-direction:column}
  .news-card--lead .news-media{min-height:220px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:72px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 24px 32px}
}
@media (max-width:899px){
  .main-nav{display:none}
  .header-actions .btn-primary{display:none}
  .nav-toggle{display:grid}
  .tabbar{display:block}
  .sticky-cta{display:flex}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:22px}
  .faq-aside h2,.cta-copy h2{font-size:22px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .hero-inner{padding:104px 20px 64px}
  .hero-copy h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{flex:1 1 auto}
  .hero-tags{gap:10px 18px}
  .step-line{grid-template-columns:1fr;gap:0}
  .step-line::before{left:26px;right:auto;top:8px;bottom:8px;border-top:0;border-left:2px dashed var(--line-strong)}
  .step-item{padding-top:0;padding-left:76px;padding-bottom:32px}
  .step-item:last-child{padding-bottom:0}
  .news-grid{grid-template-columns:1fr}
  .case-card--row{grid-template-columns:1fr}
  .case-card--row .case-media{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr;padding:48px 20px 28px}
  .footer-bottom{padding:18px 20px;flex-direction:column}
  .cta-inner{padding:56px 20px}
  .form-card{padding:20px}
}
@media (max-width:479px){
  .hero-copy h1{font-size:26px}
  .btn{height:48px}
  .feed-card{flex:0 0 84%}
}

/* roulang page: article */
/* ===================== 1. 设计变量 ===================== */
:root{
  --brand-900:#0B3D33;
  --brand-700:#0F5748;
  --brand-600:#12705C;
  --brand-500:#1A8A72;
  --brand-50:#E8F2EE;
  --accent-600:#C25A24;
  --accent-500:#E07A3F;
  --accent-50:#FBEEDF;
  --ink-900:#16211E;
  --ink-700:#3C4A46;
  --ink-500:#6B7A75;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-2:#F1EDE3;
  --line:#E4DECF;
  --line-strong:#CFC7B4;
  --ok:#1A8A72;
  --warn:#C9891F;
  --err:#B4432F;
  --r-xs:4px;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,30,.06);
  --sh-2:0 6px 18px -8px rgba(22,33,30,.14);
  --sh-3:0 18px 40px -18px rgba(11,61,51,.28);
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ===================== 2. Reset 与基础 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--accent-600);}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink-900);}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.3em;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:var(--r-xs);}
::selection{background:var(--brand-50);color:var(--brand-900);}

/* ===================== 3. 布局与容器 ===================== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:30px;margin-bottom:16px;}
.section-head p{color:var(--ink-700);margin:0;}

/* ===================== 4. 顶部导航 ===================== */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:transparent;
  transition:background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:700;font-size:18px;letter-spacing:.2px;}
.brand:hover{color:var(--brand-700);}
.brand-mark{
  width:32px;height:32px;border-radius:var(--r-sm);
  background:var(--brand-700);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;
  font-size:15px;
  color:var(--ink-700);
  padding:6px 0;
  font-weight:500;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--accent-500);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s var(--ease);
}
.main-nav a:hover{color:var(--ink-900);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--ink-900);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand-700);color:#fff;}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:none;}
.btn-ghost{background:var(--surface);color:var(--brand-700);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50);color:var(--brand-700);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.6;pointer-events:none;}
.link-more{color:var(--accent-600);font-weight:600;font-size:15px;border-bottom:2px solid currentColor;padding-bottom:2px;}
.link-more:hover{color:var(--accent-500);}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line-strong);
  border-radius:var(--r-sm);
  background:var(--surface);
  color:var(--ink-900);
}
.nav-toggle svg{width:22px;height:22px;}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:70;
  background:var(--bg);
  padding:20px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:48px;margin-bottom:20px;}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);border-radius:var(--r-sm);background:var(--surface);
}
.drawer-close svg{width:20px;height:20px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;
  padding:0 16px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
}
.drawer-nav a:hover{border-color:var(--brand-500);color:var(--brand-700);}
.drawer-note{font-size:13px;color:var(--ink-500);line-height:1.6;}

/* ===================== 5. 面包屑 ===================== */
.breadcrumb-bar{padding:24px 0 0;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-500);
}
.breadcrumb a{color:var(--ink-700);}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--ink-500);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ===================== 6. 文章头部 ===================== */
.article-hero{
  position:relative;
  margin-top:20px;
  background:var(--brand-900);
  color:#fff;
  overflow:hidden;
  border-radius:0;
}
.article-hero__media{position:absolute;inset:0;}
.article-hero__media img{width:100%;height:100%;object-fit:cover;opacity:.30;}
.article-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,61,51,.94) 0%,rgba(11,61,51,.78) 48%,rgba(11,61,51,.52) 100%);
}
.article-hero__inner{position:relative;padding:72px 0 64px;max-width:840px;}
.article-hero h1{
  color:#fff;
  font-size:38px;
  line-height:1.3;
  margin:18px 0 20px;
  letter-spacing:.2px;
}
.article-hero .lede{
  color:rgba(255,255,255,.82);
  font-size:16px;
  max-width:680px;
  margin:0 0 24px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  font-size:13px;
  border-radius:var(--r-pill);
  white-space:nowrap;
  line-height:1;
}
.badge-cat{background:var(--brand-50);color:var(--brand-700);}
.article-hero .badge-cat{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28);}
.badge-time{background:var(--surface-2);color:var(--ink-500);}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  font-family:var(--font-num);
}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.45);}
.meta-row .owner{font-family:var(--font-sans);color:rgba(255,255,255,.8);}

/* ===================== 7. 正文阅读区 ===================== */
.article-wrap{padding:64px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:64px;
  align-items:start;
}
.article-body{
  max-width:780px;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-700);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1em;max-width:780px;}
.article-body h2{
  position:relative;
  font-size:24px;
  color:var(--ink-900);
  margin:2.2em 0 .8em;
  padding-left:14px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:4px;height:1em;
  border-radius:2px;
  background:var(--accent-500);
}
.article-body h3{font-size:20px;color:var(--ink-900);margin:1.8em 0 .7em;}
.article-body h4{font-size:17px;color:var(--ink-900);margin:1.6em 0 .6em;}
.article-body a{color:var(--brand-700);border-bottom:1px solid var(--line-strong);}
.article-body a:hover{color:var(--accent-600);border-color:var(--accent-500);}
.article-body strong{color:var(--ink-900);}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  border-left:3px solid var(--brand-500);
  background:var(--brand-50);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em;}
.article-body ul{list-style:square;}
.article-body li{margin-bottom:.5em;}
.article-body li::marker{color:var(--brand-500);}
.article-body img{width:100%;height:auto;border-radius:var(--r-md);margin:1.6em 0 .6em;background:var(--surface-2);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;line-height:1.6;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  margin:1.6em 0;
  background:var(--surface);
  border-radius:var(--r-sm);
  overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.article-body thead th{background:var(--brand-50);color:var(--brand-900);font-weight:600;}
.article-body tbody tr:nth-child(even){background:var(--surface-2);}
.article-body hr{border:0;border-top:1px dashed var(--line-strong);margin:2.4em 0;}

.empty-state{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:48px 40px;
  box-shadow:var(--sh-1);
  text-align:center;
}
.empty-state .empty-mark{
  width:64px;height:64px;margin:0 auto 20px;
  border-radius:var(--r-md);
  border:1px dashed var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-500);
}
.empty-state .empty-mark svg{width:28px;height:28px;}
.empty-state h2{font-size:22px;margin-bottom:12px;}
.empty-state p{color:var(--ink-500);max-width:44ch;margin:0 auto 24px;line-height:1.8;}

/* 侧栏 */
.article-aside{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.aside-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
}
.aside-card h3{font-size:17px;margin-bottom:12px;}
.aside-card p{font-size:14px;color:var(--ink-500);line-height:1.75;margin:0 0 16px;}
.aside-list{list-style:none;padding:0;margin:0;}
.aside-list li{border-bottom:1px dashed var(--line);}
.aside-list li:last-child{border-bottom:0;}
.aside-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:11px 6px;
  font-size:14px;
  color:var(--ink-700);
  line-height:1.6;
}
.aside-list a:hover{background:var(--brand-50);color:var(--brand-700);border-radius:var(--r-xs);}
.aside-list svg{width:16px;height:16px;flex:0 0 auto;color:var(--ink-500);}

/* 标签行 */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  margin-top:40px;
  padding-top:28px;
  border-top:1px dashed var(--line-strong);
}
.tag-row .label{font-size:13px;color:var(--ink-500);}

/* ===================== 8. 卡片 / 相关推荐 ===================== */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
  display:flex;
  flex-direction:column;
  height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong);}
.card:hover .card-title{color:var(--brand-700);}
.card-media{position:relative;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:18px;line-height:1.45;color:var(--ink-900);transition:color .18s var(--ease);}
.card-text{font-size:14px;color:var(--ink-500);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:4px;}
.card-meta{font-size:13px;color:var(--ink-500);font-family:var(--font-num);}

.related{padding:8px 0 88px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.related-head h2{font-size:26px;}
.related-head p{color:var(--ink-500);font-size:14px;margin:8px 0 0;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}

/* ===================== 9. 上下篇导航 ===================== */
.post-nav{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  padding:0 0 72px;
}
.post-nav-item{
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.post-nav-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong);}
.post-nav-item .kicker{font-size:12px;color:var(--ink-500);letter-spacing:1px;font-family:var(--font-num);}
.post-nav-item .title{display:block;margin-top:8px;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.55;}
.post-nav-item:hover .title{color:var(--brand-700);}
.post-nav-back{display:flex;justify-content:center;padding:0 0 72px;}

/* ===================== 10. CTA 条带（浅色） ===================== */
.cta-band{
  background:var(--accent-50);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:56px 0;
}
.cta-band__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{color:var(--ink-700);margin:0;max-width:56ch;font-size:15px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ===================== 11. 页脚 ===================== */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col p{color:rgba(255,255,255,.66);line-height:1.8;margin:0;max-width:34ch;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.78);}
.footer-links a:hover{color:var(--accent-500);}
.footer-contact div{line-height:1.9;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  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,.6);
}

/* ===================== 12. 移动底部 Tab 与吸底 CTA ===================== */
.mobile-tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:60;
  background:var(--surface);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -2px 12px -6px rgba(22,33,30,.16);
}
.mobile-tabbar__inner{display:grid;grid-template-columns:repeat(5,1fr);height:56px;}
.mobile-tabbar a{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  min-height:44px;
  font-size:10px;
  color:var(--ink-500);
  line-height:1;
}
.mobile-tabbar a svg{width:22px;height:22px;}
.mobile-tabbar a.is-active{color:var(--brand-700);font-weight:600;}

.sticky-cta{
  display:none;
  position:fixed;
  left:12px;right:12px;
  bottom:calc(64px + env(safe-area-inset-bottom));
  z-index:59;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-3);
  padding:10px 12px;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  transform:translateY(0);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.sticky-cta__text{font-size:13px;color:var(--ink-700);line-height:1.5;}
.sticky-cta.is-hidden{opacity:0;transform:translateY(24px);pointer-events:none;}

/* ===================== 13. 响应式 ===================== */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-aside{position:static;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:28px;}
  .article-hero h1{font-size:30px;}
}

@media (max-width:899px){
  .main-nav,.header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-tabbar{display:block;}
  .sticky-cta{display:flex;}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}
  .section{padding:56px 0;}
  .site-footer{padding-bottom:calc(64px + env(safe-area-inset-bottom));}
}

@media (max-width:767px){
  .container{padding:0 20px;}
  .article-hero h1{font-size:26px;margin:14px 0 16px;}
  .article-hero__inner{padding:48px 0 44px;}
  .article-wrap{padding:40px 0 56px;}
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .post-nav{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band__inner{flex-direction:column;align-items:flex-start;}
  .related-head{flex-direction:column;align-items:flex-start;}
  .section-head h2,.cta-band h2,.related-head h2{font-size:22px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .empty-state{padding:36px 22px;}
  .btn{height:48px;}
  .btn-sm{height:40px;}
  .card-body{padding:20px;}
  .breadcrumb .current{max-width:100%;white-space:normal;}
}

@media (max-width:479px){
  .article-hero h1{font-size:24px;}
  .brand{font-size:16px;}
  .brand-mark{width:28px;height:28px;}
  .brand-mark svg{width:18px;height:18px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .card:hover,.post-nav-item:hover,.btn:hover{transform:none !important;}
}

/* roulang page: category1 */
/* ===== 1. 设计变量 ===== */
:root{
  --brand-900:#0B3D33;
  --brand-700:#0F5748;
  --brand-600:#12705C;
  --brand-500:#1A8A72;
  --brand-50:#E8F2EE;
  --accent-600:#C25A24;
  --accent-500:#E07A3F;
  --accent-50:#FBEEDF;
  --ink-900:#16211E;
  --ink-700:#3C4A46;
  --ink-500:#6B7A75;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-2:#F1EDE3;
  --line:#E4DECF;
  --line-strong:#CFC7B4;
  --ok:#1A8A72;
  --warn:#C9891F;
  --err:#B4432F;
  --r-xs:4px;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,30,.06);
  --sh-2:0 6px 18px -8px rgba(22,33,30,.14);
  --sh-3:0 18px 40px -18px rgba(11,61,51,.28);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
}
/* ===== 2. 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  padding-bottom:calc(56px + env(safe-area-inset-bottom));
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:-.01em;}
table{border-collapse:collapse;width:100%;}
input,textarea,select{font-family:inherit;font-size:16px;color:var(--ink-900);}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:var(--r-xs);}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--brand-900);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0;}
/* ===== 3. 布局容器 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--surface{background:var(--surface);}
.section--sand{background:var(--surface-2);}
.section-head{max-width:780px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-700);
  background:var(--brand-50);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;letter-spacing:.04em;
}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--accent-500);border-radius:2px;flex:none;}
.section-title{font-size:30px;margin-bottom:16px;}
.section-desc{color:var(--ink-700);max-width:780px;font-size:16px;}
.text-accent{color:var(--accent-600);}
/* ===== 4. 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{background:var(--surface);border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;gap:32px;height:var(--nav-h);}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;flex:none;}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:9px;
  background:var(--brand-700);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:20px;height:20px;}
.brand-name{white-space:nowrap;letter-spacing:.01em;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.main-nav a{
  position:relative;font-size:15px;color:var(--ink-700);padding:6px 0;font-weight:500;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent-500);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.main-nav a:hover{color:var(--brand-700);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--ink-900);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  align-items:center;justify-content:center;color:var(--ink-900);
  border:1px solid var(--line-strong);background:var(--surface);
}
.nav-toggle svg{width:22px;height:22px;}
/* ===== 5. 按钮 / 徽章 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn svg{width:18px;height:18px;flex:none;}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:var(--surface);color:var(--brand-700);border:1px solid var(--line-strong);}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-lg{height:48px;padding:0 28px;font-size:16px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--accent-600);font-weight:600;font-size:15px;
  border-bottom:2px solid var(--accent-500);padding-bottom:2px;
}
.btn-text:hover{color:var(--accent-500);}
.btn-text svg{width:16px;height:16px;}
.btn[disabled],.btn.is-disabled{opacity:.6;pointer-events:none;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;line-height:1.6;border-radius:var(--r-pill);padding:4px 12px;
}
.badge-brand{background:var(--brand-50);color:var(--brand-700);}
.badge-time{background:var(--surface-2);color:var(--ink-500);}
.badge-accent{background:var(--accent-50);color:var(--accent-600);}
/* ===== 6. 面包屑 ===== */
.breadcrumb{padding:20px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line-strong);}
.breadcrumb a{color:var(--ink-700);}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb .is-current{color:var(--ink-500);}
/* ===== 7. 分类页 Hero ===== */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--brand-900);
  background-image:linear-gradient(100deg,rgba(11,61,51,.94) 0%,rgba(15,87,72,.86) 52%,rgba(18,112,92,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#F3F7F5;
  padding:64px 0 72px;
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:rgba(255,255,255,.14);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:#FBEEDF;
  background:rgba(224,122,63,.22);border:1px solid rgba(224,122,63,.5);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:20px;
}
.hero-tag::before{content:"";width:8px;height:8px;background:var(--accent-500);border-radius:2px;}
.page-hero h1{font-size:38px;line-height:1.3;margin-bottom:20px;color:#fff;}
.page-hero .hero-sub{font-size:17px;line-height:1.9;color:rgba(243,247,245,.86);max-width:620px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-actions .btn-primary{background:var(--accent-600);}
.hero-actions .btn-primary:hover{background:var(--accent-500);}
.hero-actions .btn-on-dark{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.4);}
.hero-actions .btn-on-dark:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-1px);}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 28px;font-size:14px;color:rgba(243,247,245,.82);}
.hero-trust li{display:flex;align-items:center;gap:8px;}
.hero-trust svg{width:16px;height:16px;color:var(--accent-500);flex:none;}
/* 票券卡 */
.ticket{
  position:relative;background:var(--surface);color:var(--ink-900);
  border-radius:var(--r-md);box-shadow:var(--sh-3);
  padding:20px;border:1px dashed var(--line-strong);
}
.ticket::before,.ticket::after{
  content:"";position:absolute;width:22px;height:22px;border-radius:50%;
  background:var(--brand-900);top:calc(50% - 11px);
}
.ticket::before{left:-12px;}
.ticket::after{right:-12px;}
.ticket-strip{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-family:var(--font-num);font-size:13px;color:var(--ink-500);
  border-bottom:1px dashed var(--line-strong);padding-bottom:14px;margin-bottom:16px;
}
.ticket-seal{
  position:absolute;top:16px;right:16px;width:44px;height:44px;border-radius:var(--r-xs);
  background:var(--accent-50);color:var(--accent-600);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;line-height:1.2;text-align:center;
  border:1px solid rgba(224,122,63,.4);
}
.ticket-figure{
  border-radius:var(--r-sm);overflow:hidden;background:var(--surface-2);
  aspect-ratio:16/9;margin-bottom:16px;
}
.ticket-figure img{width:100%;height:100%;object-fit:cover;}
.ticket-title{font-size:18px;font-weight:700;margin-bottom:10px;padding-right:52px;}
.ticket-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px;font-size:13px;color:var(--ink-700);}
.ticket-meta dt{color:var(--ink-500);font-size:12px;margin-bottom:2px;}
.ticket-meta dd{margin:0;font-weight:600;color:var(--ink-900);}
/* ===== 8. 三条确认信息 ===== */
.confirm-list{display:grid;gap:16px;}
.confirm-item{
  display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.confirm-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.confirm-icon{
  width:56px;height:56px;border-radius:var(--r-sm);background:var(--brand-50);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
}
.confirm-icon svg{width:26px;height:26px;}
.confirm-item h3{font-size:18px;margin-bottom:6px;}
.confirm-item p{color:var(--ink-700);font-size:15px;margin:0;max-width:720px;}
.confirm-note{font-size:13px;color:var(--ink-500);white-space:nowrap;}
/* ===== 9. 纵向编号步骤条 ===== */
.steps{position:relative;display:grid;gap:0;}
.step{
  position:relative;display:grid;grid-template-columns:88px minmax(0,1fr);gap:24px;
  padding-bottom:40px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:43px;top:64px;bottom:0;width:1px;
  border-left:1px dashed var(--line-strong);
}
.step:last-child::before{display:none;}
.step-num{
  width:88px;height:56px;border-radius:var(--r-sm);
  background:var(--brand-50);border:1px solid rgba(26,138,114,.25);
  color:var(--brand-700);font-family:var(--font-num);font-size:22px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  align-self:flex-start;
}
.step--active .step-num{background:var(--brand-700);color:#fff;border-color:var(--brand-700);}
.step-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.step-body:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step-body h3{font-size:18px;margin-bottom:10px;}
.step-body p{color:var(--ink-700);font-size:15px;margin-bottom:12px;max-width:780px;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;}
/* ===== 10. 提示块 ===== */
.notice{
  border-left:3px solid var(--brand-500);background:var(--brand-50);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:16px 20px;font-size:14px;color:var(--ink-700);line-height:1.8;
}
.notice strong{color:var(--brand-900);}
.notice--warn{border-left-color:var(--accent-500);background:var(--accent-50);}
.notice--warn strong{color:var(--accent-600);}
.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:40px;}
/* ===== 11. 表格 / 清单 ===== */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.data{min-width:720px;font-size:14px;}
table.data thead th{
  background:var(--brand-50);color:var(--brand-900);font-weight:600;
  text-align:left;padding:14px 20px;font-size:13px;letter-spacing:.02em;white-space:nowrap;
}
table.data tbody td{
  padding:16px 20px;border-top:1px solid var(--line);color:var(--ink-700);line-height:1.7;
  vertical-align:top;
}
table.data tbody tr:nth-child(even){background:var(--surface-2);}
table.data tbody td:first-child{color:var(--ink-900);font-weight:600;white-space:nowrap;}
/* ===== 12. FAQ ===== */
.faq-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:48px;align-items:start;}
.faq-aside h2{font-size:24px;margin-bottom:14px;}
.faq-aside p{color:var(--ink-700);font-size:15px;margin-bottom:20px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .18s var(--ease);
}
.faq-item[open]{border-left:3px solid var(--accent-500);background:#FFFDF9;box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .faq-sign{
  flex:none;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.faq-item summary .faq-sign svg{width:14px;height:14px;}
.faq-item[open] summary .faq-sign{transform:rotate(45deg);background:var(--accent-50);border-color:var(--accent-500);color:var(--accent-600);}
.faq-item .faq-answer{padding:0 24px 22px;color:var(--ink-700);font-size:15px;line-height:1.9;max-width:780px;}
/* ===== 13. CTA 条带（浅色版） ===== */
.cta-band{
  background:var(--accent-50);border-top:1px dashed var(--line-strong);border-bottom:1px dashed var(--line-strong);
  padding:56px 0;
}
.cta-band-inner{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
}
.cta-band h2{font-size:26px;margin-bottom:10px;color:var(--brand-900);}
.cta-band p{color:var(--ink-700);font-size:15px;max-width:640px;margin:0;}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* 相关分类 */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong);}
.rel-card:hover h3{color:var(--brand-700);}
.rel-card h3{font-size:17px;transition:color .18s var(--ease);}
.rel-card p{color:var(--ink-700);font-size:14px;margin:0;}
.rel-more{display:inline-flex;align-items:center;gap:6px;color:var(--accent-600);font-size:14px;font-weight:600;margin-top:4px;}
.rel-more svg{width:16px;height:16px;}
/* ===== 14. 页脚 ===== */
.site-footer{background:var(--brand-900);color:rgba(243,247,245,.82);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:32px;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--accent-600);}
.footer-col p{font-size:14px;line-height:1.9;max-width:320px;color:rgba(243,247,245,.72);}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:rgba(243,247,245,.78);}
.footer-links a:hover{color:var(--accent-500);}
.footer-contact{display:grid;gap:10px;font-size:14px;color:rgba(243,247,245,.78);}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(243,247,245,.6);
}
/* ===== 15. 移动抽屉 / 底部 Tab / 吸底 CTA ===== */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--surface);
  transform:translateX(100%);transition:transform .22s var(--ease);
  display:flex;flex-direction:column;padding:24px 20px calc(32px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--ink-900);
}
.drawer-close svg{width:22px;height:22px;}
.drawer-nav{display:grid;gap:4px;margin-bottom:28px;}
.drawer-nav a{
  padding:14px 4px;font-size:17px;color:var(--ink-700);border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand-700);font-weight:600;}
.drawer .btn{width:100%;}
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:100;
  display:none;
  background:var(--surface);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar ul{display:grid;grid-template-columns:repeat(5,1fr);}
.mobile-tabbar a{
  min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:10px;color:var(--ink-500);line-height:1.4;
}
.mobile-tabbar a svg{width:22px;height:22px;}
.mobile-tabbar a.is-active{color:var(--brand-700);font-weight:600;}
.sticky-cta{
  position:fixed;left:12px;right:12px;z-index:99;
  bottom:calc(64px + env(safe-area-inset-bottom));
  display:none;align-items:center;justify-content:space-between;gap:12px;
  background:var(--brand-700);color:#fff;border-radius:var(--r-sm);
  padding:10px 14px;box-shadow:var(--sh-3);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.sticky-cta.is-hidden{transform:translateY(140%);opacity:0;pointer-events:none;}
.sticky-cta span{font-size:13px;line-height:1.5;}
.sticky-cta .btn{height:38px;padding:0 16px;font-size:14px;background:var(--accent-600);}
.sticky-cta .btn:hover{background:var(--accent-500);}
/* ===== 16. 表单 ===== */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:14px;color:var(--ink-700);font-weight:500;}
.field input,.field textarea{
  width:100%;background:var(--surface);border:1px solid var(--line-strong);
  border-radius:var(--r-sm);padding:0 14px;height:46px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-500);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent-500);box-shadow:0 0 0 2px rgba(224,122,63,.35);}
.field.is-error input,.field.is-error textarea{border-color:var(--err);}
.field.is-ok input,.field.is-ok textarea{border-color:var(--ok);}
.field .msg{font-size:13px;color:var(--err);min-height:18px;line-height:1.5;}
.field.is-ok .msg{color:var(--ok);}
.form-note{font-size:13px;color:var(--ink-500);margin-top:12px;}
/* ===== 17. 响应式 ===== */
@media (max-width:1279px){
  .hero-grid{gap:40px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .page-hero h1{font-size:30px;}
  .section-title{font-size:26px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band-inner{grid-template-columns:1fr;}
}
@media (max-width:899px){
  .main-nav{display:none;}
  .nav-actions .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-tabbar{display:block;}
  .sticky-cta{display:flex;}
  .confirm-item{grid-template-columns:48px minmax(0,1fr);gap:16px;}
  .confirm-note{grid-column:2;white-space:normal;}
  .confirm-icon{width:48px;height:48px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .page-hero{padding:44px 0 56px;}
  .page-hero h1{font-size:26px;}
  .page-hero .hero-sub{font-size:16px;}
  .section-title{font-size:22px;}
  h2{font-size:22px;}
  .step{grid-template-columns:56px minmax(0,1fr);gap:16px;padding-bottom:28px;}
  .step::before{left:27px;top:60px;}
  .step-num{width:56px;height:48px;font-size:18px;}
  .notice-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .btn{height:48px;}
  .btn-sm{height:40px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-item .faq-answer{padding:0 18px 18px;}
}
@media (max-width:479px){
  .brand-name{font-size:16px;}
  .ticket-meta{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
/* ============================================================
   1. 设计变量
   ============================================================ */
:root{
  --brand-900:#0B3D33;
  --brand-700:#0F5748;
  --brand-600:#12705C;
  --brand-500:#1A8A72;
  --brand-50:#E8F2EE;
  --accent-600:#C25A24;
  --accent-500:#E07A3F;
  --accent-50:#FBEEDF;
  --ink-900:#16211E;
  --ink-700:#3C4A46;
  --ink-500:#6B7A75;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-2:#F1EDE3;
  --line:#E4DECF;
  --line-strong:#CFC7B4;
  --ok:#1A8A72;
  --warn:#C9891F;
  --err:#B4432F;

  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Consolas,monospace;

  --r-xs:4px;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(22,33,30,.06);
  --sh-2:0 6px 18px -8px rgba(22,33,30,.14);
  --sh-3:0 18px 40px -18px rgba(11,61,51,.28);

  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:68px;
}

/* ============================================================
   2. Reset 与基础排版
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1{font-size:38px;line-height:1.3;font-weight:700;letter-spacing:.2px}
h2{font-size:30px;line-height:1.3;font-weight:700}
h3{font-size:20px;line-height:1.3;font-weight:700}
p{line-height:1.9}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:var(--r-xs)}
::selection{background:var(--brand-50);color:var(--brand-900)}

/* ============================================================
   3. 布局容器
   ============================================================ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--surface)}
.section--muted{background:var(--surface-2)}
.section-head{max-width:780px;margin-bottom:48px}
.section-head h2{margin-bottom:16px}
.section-head p{color:var(--ink-700);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--brand-700);margin-bottom:16px;
}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--accent-500);border-radius:1px}
.lead{font-size:17px;color:var(--ink-700);max-width:780px}

/* ============================================================
   4. 按钮与标签
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease),
             box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:var(--surface);border-color:var(--line-strong);color:var(--brand-700)}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50)}
.btn-light{background:rgba(255,255,255,.94);color:var(--brand-900);border-color:transparent}
.btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.6;pointer-events:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--accent-600);
  text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;
  transition:color .18s var(--ease);
}
.btn-text:hover{color:var(--accent-500)}

.badge{
  display:inline-flex;align-items:center;
  padding:3px 12px;border-radius:var(--r-pill);
  font-size:13px;line-height:1.6;font-weight:600;
  background:var(--brand-50);color:var(--brand-700);
}
.badge--time{background:var(--surface-2);color:var(--ink-500);font-weight:500}
.badge--accent{background:var(--accent-50);color:var(--accent-600)}

/* ============================================================
   5. 顶部导航
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:var(--header-h);
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--brand-900);
  letter-spacing:.2px;flex-shrink:0;
}
.brand-mark{
  width:30px;height:30px;flex:0 0 30px;
  display:grid;place-items:center;
  color:var(--brand-700);
  border:1px solid var(--brand-700);
  border-radius:var(--r-sm);
  background:var(--brand-50);
}
.brand-mark svg{width:18px;height:18px}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{
  position:relative;padding:6px 0;
  font-size:15px;color:var(--ink-700);
  transition:color .18s var(--ease);
}
.main-nav a:hover{color:var(--brand-700)}
.main-nav a.is-active{color:var(--ink-900);font-weight:600}
.main-nav a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;
  height:2px;border-radius:2px;background:var(--accent-500);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line-strong);border-radius:var(--r-sm);
  color:var(--brand-900);background:var(--surface);
}
.nav-toggle:hover{background:var(--brand-50);border-color:var(--brand-500)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:var(--surface);
  padding:20px;
  overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;margin-bottom:16px;
  padding-bottom:16px;border-bottom:1px solid var(--line);
}
.drawer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--brand-900)}
.drawer-close{
  width:44px;height:44px;display:grid;place-items:center;
  border:1px solid var(--line-strong);border-radius:var(--r-sm);color:var(--brand-900);
}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:12px 4px;
  font-size:16px;color:var(--ink-900);
  border-bottom:1px dashed var(--line);
}
.drawer-nav a::after{
  content:"";width:8px;height:8px;border-right:2px solid var(--line-strong);
  border-bottom:2px solid var(--line-strong);transform:rotate(-45deg);
}
.drawer-nav a.is-active{color:var(--brand-700);font-weight:600}
.drawer-cta{margin-top:24px}

/* ============================================================
   6. 页面首屏（分类页横幅）
   ============================================================ */
.page-hero{
  position:relative;color:#fff;
  padding:56px 0 64px;
  background-image:
    linear-gradient(118deg,rgba(11,61,51,.95) 0%,rgba(11,61,51,.80) 52%,rgba(15,87,72,.70) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:48px;
  background:linear-gradient(to bottom,rgba(247,244,237,0),var(--bg));
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);
  margin-bottom:24px;
}
.breadcrumb a{color:rgba(255,255,255,.86);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span.sep{opacity:.5}
.breadcrumb .current{color:rgba(255,255,255,.62)}
.page-hero h1{max-width:820px;margin-bottom:20px}
.page-hero .hero-sub{
  max-width:720px;font-size:17px;line-height:1.9;
  color:rgba(255,255,255,.86);margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-points{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.22);
  max-width:820px;
}
.hero-points li{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.84);
  padding:0 24px;
  border-left:1px solid rgba(255,255,255,.22);
}
.hero-points li:first-child{padding-left:0;border-left:0}
.hero-points li::before{
  content:"";width:8px;height:8px;flex:0 0 8px;
  border-radius:1px;background:var(--accent-500);
}

/* ============================================================
   7. 数据条
   ============================================================ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.stat-item{
  padding:28px 24px;
  border-left:1px dashed var(--line-strong);
  text-align:left;
}
.stat-item:first-child{border-left:0}
.stat-value{
  display:block;font-family:var(--font-num);
  font-size:30px;font-weight:700;line-height:1.2;
  color:var(--brand-700);margin-bottom:6px;
}
.stat-label{font-size:13.5px;color:var(--ink-500);line-height:1.6}

/* ============================================================
   8. 渠道场景交错图文行
   ============================================================ */
.case-list{display:flex;flex-direction:column}
.case-row{
  display:grid;grid-template-columns:1fr 1fr;
  gap:48px;align-items:center;
  padding:48px 0;
  border-bottom:1px dashed var(--line-strong);
}
.case-row:first-child{padding-top:8px}
.case-row:last-child{border-bottom:0;padding-bottom:8px}
.case-row:nth-child(even) .case-media{order:2}
.case-media{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  background:var(--surface-2);
  aspect-ratio:16/10;
}
.case-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.case-row:hover .case-media img{transform:scale(1.03)}
.case-media::before{
  content:"";position:absolute;top:16px;right:16px;z-index:2;
  width:12px;height:12px;border-radius:1px;
  background:rgba(224,122,63,.92);
  box-shadow:0 0 0 4px rgba(255,255,255,.32);
}
.case-body{padding:4px 0}
.case-body .badge{margin-bottom:14px}
.case-body h3{margin-bottom:12px;font-size:24px}
.case-body p{color:var(--ink-700);max-width:520px}
.metric-bar{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:16px;margin-top:24px;padding-top:20px;
  border-top:1px dashed var(--line-strong);
}
.metric-item{display:flex;flex-direction:column;gap:2px}
.metric-value{
  font-family:var(--font-num);font-size:20px;font-weight:700;
  line-height:1.3;color:var(--brand-700);
}
.metric-label{font-size:13px;color:var(--ink-500);line-height:1.6}

/* ============================================================
   9. 流程步骤
   ============================================================ */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;position:relative;
}
.flow-line{
  position:absolute;top:23px;left:0;right:0;
  height:0;border-top:1px dashed var(--line-strong);
  z-index:0;
}
.flow-step{position:relative;z-index:1;padding-right:24px}
.flow-num{
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:var(--r-sm);
  background:var(--brand-50);
  border:1px solid var(--brand-500);
  color:var(--brand-700);
  font-family:var(--font-num);font-size:16px;font-weight:700;
  margin-bottom:20px;
}
.flow-step h3{font-size:18px;margin-bottom:10px}
.flow-step p{font-size:14.5px;color:var(--ink-700);line-height:1.8}

/* ============================================================
   10. 提示块
   ============================================================ */
.note{
  border-left:3px solid var(--accent-500);
  background:var(--accent-50);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:18px 22px;
  font-size:14.5px;
  color:var(--ink-700);
  line-height:1.8;
}
.note--info{
  border-left-color:var(--brand-500);
  background:var(--brand-50);
}
.note strong{color:var(--ink-900)}
.note-list{display:grid;gap:14px;margin-top:24px}

/* ============================================================
   11. FAQ 手风琴
   ============================================================ */
.faq-layout{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start}
.faq-aside h2{font-size:26px;margin-bottom:16px}
.faq-aside p{font-size:14.5px;color:var(--ink-700)}
.faq-aside .btn-text{margin-top:18px}
.faq-list{display:flex;flex-direction:column}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:flex-start;gap:14px;
  padding:20px 4px;
  font-size:16.5px;font-weight:600;color:var(--ink-900);
  cursor:pointer;list-style:none;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";flex:0 0 14px;width:14px;height:14px;margin-top:7px;
  border-right:2px solid var(--brand-500);
  border-bottom:2px solid var(--brand-500);
  transform:rotate(45deg);
  transition:transform .2s var(--ease);
}
.faq-item[open] summary::before{transform:rotate(-135deg)}
.faq-item summary:hover{color:var(--brand-700)}
.faq-item[open] summary{color:var(--brand-700)}
.faq-answer{
  padding:0 4px 22px 32px;
  font-size:15px;color:var(--ink-700);line-height:1.9;
  border-left:1px solid transparent;
}
.faq-answer p{max-width:780px}

/* ============================================================
   12. 浅色 CTA 条带
   ============================================================ */
.cta-band{
  background:var(--brand-50);
  border-top:1px dashed var(--line-strong);
  border-bottom:1px dashed var(--line-strong);
  padding:56px 0;
  position:relative;
}
.cta-band::before,
.cta-band::after{
  content:"";position:absolute;width:22px;height:22px;
  background:var(--bg);border-radius:50%;
  top:50%;transform:translateY(-50%);
}
.cta-band::before{left:-11px}
.cta-band::after{right:-11px}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:32px;
}
.cta-copy{max-width:640px}
.cta-copy h2{font-size:26px;margin-bottom:12px}
.cta-copy p{font-size:15px;color:var(--ink-700)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============================================================
   13. 页脚
   ============================================================ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 28px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.16);
}
.footer-col h3{
  font-size:15px;font-weight:600;color:#fff;
  margin-bottom:18px;letter-spacing:.4px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  border-color:rgba(255,255,255,.42);
  background:rgba(255,255,255,.10);
  color:#fff;
  width:30px;height:30px;flex:0 0 30px;
  display:grid;place-items:center;border-radius:var(--r-sm);
}
.footer-brand .brand-mark svg{width:18px;height:18px}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:300px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.74);
  transition:color .18s var(--ease);
}
.footer-links a:hover{color:var(--accent-500)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.74)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;padding-top:24px;
  font-size:13px;color:rgba(255,255,255,.56);
}

/* ============================================================
   14. 移动底部 Tab 与吸底 CTA
   ============================================================ */
.mobile-tabbar{display:none}
.sticky-cta{display:none}

@media (max-width:899px){
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
  .mobile-tabbar{
    display:grid;grid-template-columns:repeat(5,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:calc(56px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:var(--surface);
    border-top:1px solid var(--line);
  }
  .mobile-tabbar a{
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;font-size:10px;color:var(--ink-500);
    min-height:44px;
    transition:color .18s var(--ease);
  }
  .mobile-tabbar svg{width:21px;height:21px}
  .mobile-tabbar a.is-active{color:var(--brand-700);font-weight:600}

  .sticky-cta{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    position:fixed;left:12px;right:12px;
    bottom:calc(64px + env(safe-area-inset-bottom));
    z-index:69;
    padding:10px 10px 10px 16px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--sh-2);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
  }
  .sticky-cta.is-hidden{opacity:0;visibility:hidden;transform:translateY(10px)}
  .sticky-cta span{font-size:13.5px;color:var(--ink-700);line-height:1.5}
  .sticky-cta .btn{height:40px;padding:0 16px;font-size:14px}
}

/* ============================================================
   15. 响应式断点
   ============================================================ */
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  h1{font-size:32px}
  h2{font-size:26px}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(odd){border-left:0}
  .stat-item:nth-child(3),
  .stat-item:nth-child(4){border-top:1px dashed var(--line-strong)}
  .case-row{gap:32px}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .flow-line{display:none}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:899px){
  .header-actions .btn{display:none}
}

@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  h1{font-size:26px}
  h2{font-size:22px}
  h3{font-size:18px}
  .page-hero{padding:40px 0 52px}
  .page-hero .hero-sub{font-size:15.5px}
  .hero-points{flex-direction:column;align-items:flex-start;gap:10px}
  .hero-points li{padding:0;border-left:0}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-item{padding:20px 16px}
  .stat-value{font-size:24px}
  .case-row{grid-template-columns:1fr;gap:20px;padding:36px 0}
  .case-row:nth-child(even) .case-media{order:0}
  .case-body h3{font-size:20px}
  .metric-bar{grid-template-columns:1fr 1fr;gap:14px}
  .flow{grid-template-columns:1fr;gap:24px}
  .flow-step{padding-right:0;border-left:1px dashed var(--line-strong);padding-left:20px}
  .flow-num{margin-left:-43px;background:var(--brand-50)}
  .faq-item summary{font-size:15.5px}
  .faq-answer{padding-left:28px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (max-width:519px){
  .brand{font-size:16px}
  .brand-mark{width:28px;height:28px;flex:0 0 28px}
  .hero-actions .btn{width:100%}
  .stat-strip{grid-template-columns:1fr}
  .stat-item{border-left:0;border-top:1px dashed var(--line-strong)}
  .stat-item:first-child{border-top:0}
  .metric-bar{grid-template-columns:1fr;gap:12px}
}

/* ============================================================
   16. 无障碍与动效偏好
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,.case-row:hover .case-media img{transform:none}
}

/* roulang page: category3 */
/* ==================== 设计变量 ==================== */
:root{
  --brand-900:#0B3D33;
  --brand-700:#0F5748;
  --brand-600:#12705C;
  --brand-500:#1A8A72;
  --brand-50:#E8F2EE;
  --accent-600:#C25A24;
  --accent-500:#E07A3F;
  --accent-50:#FBEEDF;
  --ink-900:#16211E;
  --ink-700:#3C4A46;
  --ink-500:#6B7A75;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --surface-2:#F1EDE3;
  --line:#E4DECF;
  --line-strong:#CFC7B4;
  --ok:#1A8A72;
  --warn:#C9891F;
  --err:#B4432F;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Consolas,monospace;
  --r-xs:4px;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,30,.06);
  --sh-2:0 6px 18px -8px rgba(22,33,30,.14);
  --sh-3:0 18px 40px -18px rgba(11,61,51,.28);
  --header-h:68px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ==================== 基础重置 ==================== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.7;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-900)}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0 0 1em;line-height:1.9}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;top:-120px;left:16px;z-index:200;background:var(--brand-900);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-sm) var(--r-sm);transition:top .2s var(--ease)}
.skip-link:focus{top:0;color:#fff}

/* ==================== 布局容器与板块 ==================== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:780px;margin-bottom:40px}
.section-head h2{font-size:30px;margin-bottom:14px}
.section-head p{color:var(--ink-700);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent-600);letter-spacing:.06em;margin-bottom:12px}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--accent-500);border-radius:2px}

/* ==================== 按钮 ==================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:var(--surface);color:var(--brand-700);border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-500);color:var(--brand-700)}
.btn-ghost:active{transform:none}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.6;pointer-events:none}

/* ==================== 标签与徽章 ==================== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:13px;line-height:1.6;font-weight:500}
.badge-cat{background:var(--brand-50);color:var(--brand-700)}
.badge-time{background:var(--surface-2);color:var(--ink-500)}
.badge-outline{background:transparent;border:1px solid rgba(247,244,237,.42);color:rgba(247,244,237,.9)}

/* ==================== 顶部导航 ==================== */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--bg);
  border-bottom:1px solid transparent;
  transition:background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{background:var(--surface);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:20px;height:var(--header-h)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:700;font-size:17px}
.brand:hover{color:var(--brand-700)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--r-sm);background:var(--brand-700);color:#fff;flex:none}
.brand-mark svg{width:19px;height:19px}
.brand-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{position:relative;padding:10px 12px;font-size:15px;color:var(--ink-700);border-radius:var(--r-sm);transition:color .18s var(--ease),background-color .18s var(--ease)}
.main-nav a:hover{color:var(--brand-700);background:var(--brand-50)}
.main-nav a.is-active,.main-nav a.is-current{color:var(--ink-900);font-weight:600}
.main-nav a.is-active::after,.main-nav a.is-current::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--accent-500);border-radius:2px}
.header-cta{height:40px;padding:0 18px;font-size:14px;flex:none}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line-strong);background:var(--surface);border-radius:var(--r-sm);cursor:pointer;flex:none;transition:border-color .18s var(--ease),background-color .18s var(--ease)}
.nav-toggle:hover{border-color:var(--brand-500);background:var(--brand-50)}
.nav-toggle svg{width:20px;height:20px}

/* ==================== 移动端抽屉 ==================== */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--surface);
  padding:20px 20px 32px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line-strong);background:var(--surface);border-radius:var(--r-sm);cursor:pointer}
.drawer-close svg{width:20px;height:20px}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{padding:16px 12px;font-size:17px;color:var(--ink-900);border-bottom:1px solid var(--line);border-radius:var(--r-sm);transition:background-color .18s var(--ease),color .18s var(--ease)}
.drawer-nav a:hover{background:var(--brand-50);color:var(--brand-700)}
.drawer-nav a.is-current{color:var(--brand-700);font-weight:600}
.drawer-cta{margin-top:28px;width:100%}

/* ==================== 移动端底部 Tab ==================== */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:var(--surface);border-top:1px solid var(--line);
  grid-template-columns:repeat(5,1fr);
}
.mobile-tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  min-height:44px;font-size:10px;color:var(--ink-500);line-height:1.4;
  transition:color .18s var(--ease);
}
.mobile-tabbar a svg{width:22px;height:22px}
.mobile-tabbar a:hover{color:var(--brand-600)}
.mobile-tabbar a.is-current{color:var(--brand-700);font-weight:600}

/* ==================== 吸底 CTA 条 ==================== */
.sticky-cta{
  position:fixed;left:0;right:0;z-index:65;display:none;align-items:center;gap:12px;
  bottom:calc(56px + env(safe-area-inset-bottom));
  padding:10px 16px;background:var(--surface);
  border-top:1px solid var(--line);box-shadow:var(--sh-2);
}
.sticky-cta p{margin:0;font-size:13px;color:var(--ink-700);line-height:1.5}
.sticky-cta .btn{height:44px;padding:0 18px;font-size:14px;margin-left:auto;flex:none}

/* ==================== 内页首屏 ==================== */
.page-hero{position:relative;background:var(--brand-900);color:#F7F4ED;padding:64px 0 88px;overflow:hidden}
.page-hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.26}
.page-hero__veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,61,51,.95) 0%,rgba(11,61,51,.84) 48%,rgba(11,61,51,.5) 100%)}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:38px;line-height:1.3;margin-bottom:20px;max-width:780px}
.hero-lead{font-size:17px;line-height:1.9;color:rgba(247,244,237,.86);max-width:700px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.page-hero .btn-ghost{background:transparent;color:#F7F4ED;border-color:rgba(247,244,237,.45)}
.page-hero .btn-ghost:hover{background:rgba(247,244,237,.12);border-color:rgba(247,244,237,.8);color:#fff}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(247,244,237,.24);background:rgba(247,244,237,.06);
  font-size:13px;color:rgba(247,244,237,.86);
}
.hero-tags span::before{content:"";width:6px;height:6px;border-radius:1px;background:var(--accent-500)}

/* ==================== 面包屑 ==================== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(247,244,237,.66);margin-bottom:26px}
.breadcrumb a{color:rgba(247,244,237,.86)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:rgba(247,244,237,.62)}

/* ==================== 横向信息条 ==================== */
.fact-list{border-bottom:1px dashed var(--line-strong)}
.fact-row{display:flex;align-items:flex-start;gap:24px;padding:24px 0;border-top:1px dashed var(--line-strong);transition:background-color .18s var(--ease)}
.fact-row:hover{background:rgba(232,242,238,.5)}
.fact-num{flex:0 0 76px;font-family:var(--font-num);font-size:14px;letter-spacing:.06em;color:var(--accent-600);padding-top:5px}
.fact-body h3{font-size:18px;margin-bottom:8px}
.fact-body p{margin:0;color:var(--ink-700);font-size:15px;max-width:840px}

/* ==================== 常见问题布局 ==================== */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:48px;align-items:start}
.chip-row{display:none;gap:8px;overflow-x:auto;padding-bottom:10px;margin-bottom:24px;scrollbar-width:thin}
.chip-row a{
  flex:none;padding:9px 16px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line-strong);
  font-size:14px;color:var(--ink-700);white-space:nowrap;
}
.chip-row a:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-50)}

.faq-group{margin-bottom:44px;scroll-margin-top:96px}
.faq-group:last-child{margin-bottom:0}
.faq-group > h3{
  font-size:18px;font-weight:700;padding-bottom:12px;
  border-bottom:1px solid var(--line-strong);margin-bottom:4px;
}
.qa{border-bottom:1px dashed var(--line-strong)}
.qa summary{
  display:flex;align-items:flex-start;gap:16px;padding:18px 0;
  cursor:pointer;list-style:none;font-size:17px;font-weight:600;color:var(--ink-900);
  transition:color .18s var(--ease);
}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover{color:var(--brand-700)}
.qa-num{flex:none;font-family:var(--font-num);font-size:13px;color:var(--accent-600);padding-top:5px;letter-spacing:.04em}
.qa-q{flex:1 1 auto}
.qa-icon{flex:none;margin-left:auto;padding-top:4px;color:var(--ink-500);transition:transform .2s var(--ease),color .2s var(--ease)}
.qa-icon svg{width:18px;height:18px}
.qa[open] .qa-icon{transform:rotate(180deg);color:var(--accent-600)}
.qa-body{
  border-left:2px solid var(--accent-500);
  background:var(--accent-50);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:16px 20px;margin:0 0 20px 0;
  font-size:15px;line-height:1.9;color:var(--ink-700);
}
.qa-body p{margin:0}

/* ==================== 侧栏目录 ==================== */
.faq-aside{position:sticky;top:96px}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1)}
.aside-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink-500);margin-bottom:14px}
.aside-nav{display:flex;flex-direction:column}
.aside-nav a{
  display:block;padding:10px 0 10px 14px;font-size:14px;color:var(--ink-700);
  border-left:2px solid var(--line);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.aside-nav a:hover{color:var(--brand-700);border-left-color:var(--brand-500)}
.aside-note{margin-top:20px;padding-top:20px;border-top:1px dashed var(--line-strong)}
.aside-note p{font-size:13px;line-height:1.7;color:var(--ink-500);margin-bottom:12px}

/* ==================== 文字按钮 ==================== */
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--accent-600);border-bottom:2px solid currentColor;padding-bottom:2px;
  transition:color .18s var(--ease);
}
.link-more:hover{color:var(--accent-500)}
.link-more svg{width:16px;height:16px}

/* ==================== 支持卡片 ==================== */
.support-card{
  display:grid;grid-template-columns:0.9fr 1.1fr;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.support-media{position:relative;background:var(--surface-2);min-height:320px}
.support-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.support-body{padding:40px 44px}
.support-body h2{font-size:26px;margin-bottom:14px}
.support-body > p{color:var(--ink-700);font-size:15px;margin-bottom:24px}
.support-list{display:flex;flex-direction:column;gap:0;margin-bottom:26px}
.support-list li{
  display:flex;align-items:baseline;gap:16px;
  padding:12px 0;border-bottom:1px dashed var(--line-strong);font-size:15px;
}
.support-list li:first-child{border-top:1px dashed var(--line-strong)}
.li-label{flex:0 0 92px;font-size:13px;color:var(--ink-500)}
.support-list strong{color:var(--ink-900);font-weight:600}

/* ==================== CTA 条带（浅色） ==================== */
.cta-band{
  position:relative;display:flex;align-items:center;gap:32px;justify-content:space-between;
  flex-wrap:wrap;background:var(--surface);
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  padding:40px 48px;box-shadow:var(--sh-1);overflow:hidden;
}
.cta-band::before,.cta-band::after{
  content:"";position:absolute;top:50%;width:22px;height:22px;border-radius:50%;
  background:var(--bg);transform:translateY(-50%);
}
.cta-band::before{left:-11px}
.cta-band::after{right:-11px}
.cta-copy{max-width:620px}
.cta-copy h2{font-size:26px;margin-bottom:10px}
.cta-copy p{margin:0;color:var(--ink-700);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ==================== 页脚 ==================== */
.site-footer{background:var(--brand-900);color:rgba(247,244,237,.76);padding:64px 0 24px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(247,244,237,.14)}
.footer-col > p{font-size:14px;line-height:1.8;color:rgba(247,244,237,.7);max-width:320px}
.footer-col h3{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(247,244,237,.72);transition:color .18s var(--ease)}
.footer-links a:hover{color:var(--accent-500)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(247,244,237,.72)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(247,244,237,.16);
  font-size:13px;color:rgba(247,244,237,.6);
}

/* ==================== 响应式 ==================== */
@media (max-width:1023px){
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-aside{display:none}
  .chip-row{display:flex}
  .support-card{grid-template-columns:1fr}
  .support-media{min-height:220px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:899px){
  .main-nav{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .mobile-tabbar{display:grid}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
  .sticky-cta.is-visible{display:flex}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .page-hero{padding:40px 0 56px}
  .page-hero h1{font-size:26px}
  .hero-lead{font-size:16px}
  .section-head h2{font-size:22px}
  .qa summary{font-size:16px;padding:16px 0}
  .qa-body{padding:14px 16px}
  .fact-row{flex-direction:column;gap:8px}
  .fact-num{flex:none;padding-top:0}
  .support-body{padding:28px 22px}
  .support-body h2{font-size:22px}
  .cta-band{padding:32px 24px}
  .cta-copy h2{font-size:22px}
  .btn{height:48px}
  .btn-lg{height:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  .page-hero h1{font-size:23px}
  .hero-tags span{font-size:12px;padding:6px 12px}
  .cta-band{padding:28px 20px}
  .sticky-cta p{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
}

/* roulang page: category4 */
/* ============ 变量 ============ */
:root{
  --brand-900:#0B3D33;--brand-700:#0F5748;--brand-600:#12705C;--brand-500:#1A8A72;--brand-50:#E8F2EE;
  --accent-600:#C25A24;--accent-500:#E07A3F;--accent-50:#FBEEDF;
  --ink-900:#16211E;--ink-700:#3C4A46;--ink-500:#6B7A75;
  --bg:#F7F4ED;--surface:#FFFFFF;--surface-2:#F1EDE3;--line:#E4DECF;--line-strong:#CFC7B4;
  --ok:#1A8A72;--warn:#C9891F;--err:#B4432F;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Consolas,monospace;
  --r-xs:4px;--r-sm:8px;--r-md:12px;--r-lg:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,30,.06);
  --sh-2:0 6px 18px -8px rgba(22,33,30,.14);
  --sh-3:0 18px 40px -18px rgba(11,61,51,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
/* ============ reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.9;color:var(--ink-900);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
table{border-collapse:collapse}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:var(--r-xs)}
/* ============ 布局 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-alt{background:var(--surface-2)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:.2px}
.section-head p{margin-top:12px;color:var(--ink-700);font-size:16px}
h2{font-size:30px;line-height:1.3}
h3{font-size:20px;line-height:1.4}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent-600);font-weight:600;letter-spacing:1px}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--accent-500);border-radius:2px}
.rule-dashed{border-top:1px dashed var(--line-strong)}
/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,244,237,.94);
  border-bottom:1px solid transparent;transition:background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  backdrop-filter:saturate(140%) blur(8px);
}
.site-header.is-scrolled{background:var(--surface);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.header-inner{height:68px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.2px;color:var(--brand-900);flex-shrink:0}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;border-radius:var(--r-sm);
  background:var(--brand-900);color:#fff;flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.main-nav a{
  position:relative;font-size:15px;color:var(--ink-700);padding:6px 0;transition:color .18s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent-500);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.main-nav a:hover{color:var(--brand-700)}
.main-nav a.is-active{color:var(--ink-900);font-weight:600}
.main-nav a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line-strong);
  background:var(--surface);border-radius:var(--r-sm);color:var(--ink-900);
}
.nav-toggle svg{width:22px;height:22px}
/* 移动抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:90;background:var(--bg);display:flex;flex-direction:column;
  padding:24px 20px 40px;transform:translateY(-100%);transition:transform .24s var(--ease);visibility:hidden;
}
.nav-drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line-strong);background:var(--surface);border-radius:var(--r-sm)}
.drawer-close svg{width:20px;height:20px}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;padding:18px 4px;font-size:17px;
  border-bottom:1px dashed var(--line-strong);color:var(--ink-900);
}
.drawer-links a.is-active{color:var(--brand-700);font-weight:600}
.drawer-links a span.arrow{color:var(--ink-500);font-size:14px}
.drawer-cta{margin-top:auto}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border-radius:var(--r-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:var(--surface);color:var(--brand-700);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50)}
.btn-ghost:active{transform:translateY(0)}
.btn-onDark{background:var(--accent-500);color:#fff}
.btn-onDark:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.6;pointer-events:none}
.link-more{color:var(--accent-600);font-weight:600;font-size:15px;border-bottom:2px solid var(--accent-500);padding-bottom:2px;transition:color .18s var(--ease)}
.link-more:hover{color:var(--brand-700)}
/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;line-height:1}
.badge-brand{background:var(--brand-50);color:var(--brand-700)}
.badge-time{background:var(--surface-2);color:var(--ink-500)}
.badge-accent{background:var(--accent-50);color:var(--accent-600)}
/* ============ 首屏 ============ */
.page-hero{
  position:relative;background:var(--brand-900);color:#fff;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(11,61,51,.94) 0%,rgba(11,61,51,.86) 46%,rgba(15,87,72,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero .container{padding-top:72px;padding-bottom:72px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-copy h1{font-size:38px;line-height:1.3;font-weight:700;letter-spacing:.5px}
.hero-copy .lead{margin-top:18px;font-size:17px;color:rgba(255,255,255,.86);max-width:600px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.42)}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:#fff}
.hero-note{margin-top:22px;font-size:13px;color:rgba(255,255,255,.66)}
.ticket{
  position:relative;background:var(--surface);color:var(--ink-900);border-radius:var(--r-md);
  border:1px dashed rgba(255,255,255,.55);box-shadow:var(--sh-3);overflow:hidden;
}
.ticket-media{aspect-ratio:16/9;background:var(--surface-2);overflow:hidden}
.ticket-media img{width:100%;height:100%;object-fit:cover}
.ticket-body{padding:24px}
.ticket-no{display:flex;align-items:center;justify-content:space-between;font-family:var(--font-num);font-size:13px;color:var(--ink-500);letter-spacing:1px}
.ticket-body h3{font-size:18px;margin-top:10px}
.ticket-body p{margin-top:8px;font-size:14px;color:var(--ink-700);line-height:1.75}
.ticket-list{margin-top:16px;border-top:1px dashed var(--line-strong)}
.ticket-list li{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-700)}
.ticket-list li:last-child{border-bottom:0}
.ticket-list strong{color:var(--brand-700);font-family:var(--font-num);font-size:14px}
/* ============ 信息条 ============ */
.strip{background:var(--surface);border-bottom:1px solid var(--line)}
.strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.strip-item{padding:26px 28px;border-left:1px solid var(--line)}
.strip-item:first-child{border-left:0;padding-left:0}
.strip-item .k{font-family:var(--font-num);font-size:24px;color:var(--brand-700);font-weight:600}
.strip-item .t{margin-top:4px;font-size:14px;color:var(--ink-500)}
/* ============ 面包屑 ============ */
.crumb{background:var(--surface);border-bottom:1px solid var(--line)}
.crumb-inner{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);padding:14px 0;flex-wrap:wrap}
.crumb-inner a{color:var(--ink-700)}
.crumb-inner a:hover{color:var(--brand-700)}
.crumb-inner .sep{color:var(--line-strong)}
.crumb-inner .current{color:var(--ink-500)}
/* ============ 双列信息块 ============ */
.duo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.info-block{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.info-block:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
.info-block .ib-head{display:flex;align-items:center;gap:12px}
.ib-num{
  width:34px;height:34px;flex-shrink:0;display:grid;place-items:center;border-radius:var(--r-sm);
  background:var(--brand-50);color:var(--brand-700);font-family:var(--font-num);font-size:14px;
}
.info-block h3{font-size:18px}
.info-block p{margin-top:10px;font-size:15px;color:var(--ink-700)}
.ib-meta{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-strong);display:flex;flex-wrap:wrap;gap:10px}
/* ============ 表格 ============ */
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1)}
.info-table{width:100%;min-width:680px;font-size:15px}
.info-table th{
  background:var(--brand-50);color:var(--brand-900);font-weight:600;text-align:left;
  padding:15px 20px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:14px;
}
.info-table td{padding:15px 20px;border-bottom:1px solid var(--line);color:var(--ink-700);line-height:1.7;vertical-align:top}
.info-table tbody tr:last-child td{border-bottom:0}
.info-table tbody tr:hover{background:var(--surface-2)}
.info-table td:first-child{color:var(--ink-900);font-weight:600}
/* ============ 图文区 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:var(--surface-2);box-shadow:var(--sh-2)}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-body h2{font-size:30px}
.split-body p{margin-top:14px;color:var(--ink-700)}
.check-list{margin-top:22px;border-top:1px dashed var(--line-strong)}
.check-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink-700)}
.check-list li:last-child{border-bottom:0}
.check-list .dot{width:8px;height:8px;background:var(--accent-500);border-radius:2px;margin-top:11px;flex-shrink:0}
.check-list strong{color:var(--ink-900);font-weight:600;display:block}
/* ============ 提示块 ============ */
.notice{display:flex;gap:12px;padding:16px 18px;border-radius:var(--r-sm);font-size:15px;line-height:1.75;margin-top:20px}
.notice-info{background:var(--brand-50);border-left:3px solid var(--brand-500);color:var(--brand-900)}
.notice-warn{background:var(--accent-50);border-left:3px solid var(--accent-500);color:var(--accent-600)}
/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--sh-2);background:linear-gradient(180deg,var(--surface),var(--brand-50))}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink-900);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{width:22px;height:22px;flex-shrink:0;color:var(--brand-700);transition:transform .2s var(--ease)}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-answer{padding:0 24px 22px 24px;font-size:15px;color:var(--ink-700);border-left:3px solid var(--accent-500);margin-left:24px;margin-right:24px;padding-left:18px}
/* ============ 联系方式卡 ============ */
.contact-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:32px;
  box-shadow:var(--sh-1);display:grid;grid-template-columns:1fr 1fr;gap:32px;
}
.contact-list li{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line);font-size:15px}
.contact-list li:last-child{border-bottom:0}
.contact-list .k{color:var(--ink-500)}
.contact-list .v{color:var(--ink-900);font-weight:600}
.contact-aside{background:var(--surface-2);border-radius:var(--r-sm);padding:24px}
.contact-aside h3{font-size:18px}
.contact-aside p{margin-top:10px;font-size:15px;color:var(--ink-700)}
/* ============ 互链 ============ */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.link-card{
  display:flex;flex-direction:column;gap:8px;padding:22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.link-card:hover h3{color:var(--brand-700)}
.link-card h3{font-size:17px;transition:color .2s var(--ease)}
.link-card p{font-size:14px;color:var(--ink-700)}
.link-card .go{font-size:13px;color:var(--accent-600);font-weight:600;margin-top:4px}
/* ============ CTA 条带（浅色） ============ */
.cta-band{
  background:linear-gradient(120deg,var(--brand-50) 0%,var(--surface) 60%,var(--accent-50) 100%);
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);padding:40px;
  display:grid;grid-template-columns:1fr 380px;gap:40px;align-items:center;
}
.cta-band h2{font-size:26px}
.cta-band p{margin-top:10px;color:var(--ink-700);font-size:15px}
.mini-form{display:flex;flex-direction:column;gap:12px}
.mini-form .field-row{display:flex;gap:10px}
.mini-form input{
  flex:1;height:46px;padding:0 14px;background:var(--surface);border:1px solid var(--line-strong);
  border-radius:var(--r-sm);color:var(--ink-900);transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.mini-form input::placeholder{color:var(--ink-500)}
.mini-form input:focus{outline:none;border-color:var(--accent-500);box-shadow:0 0 0 2px rgba(224,122,63,.28)}
.mini-form.is-error input{border-color:var(--err)}
.mini-form.is-ok input{border-color:var(--ok)}
.form-msg{font-size:13px;line-height:1.6;min-height:20px}
.form-msg.err{color:var(--err)}
.form-msg.ok{color:var(--ok)}
.form-tip{font-size:12px;color:var(--ink-500)}
/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);transition:color .18s var(--ease)}
.footer-links a:hover{color:var(--accent-500)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.78)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
}
/* ============ 移动底部 Tab + 吸底 CTA ============ */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;background:var(--surface);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);height:56px}
.tabbar-inner a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--ink-500);min-height:44px;
}
.tabbar-inner a svg{width:22px;height:22px}
.tabbar-inner a.is-active{color:var(--brand-700);font-weight:600}
.sticky-cta{
  position:fixed;left:12px;right:12px;bottom:calc(56px + env(safe-area-inset-bottom) + 10px);z-index:69;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  background:var(--brand-900);color:#fff;border-radius:var(--r-sm);padding:10px 12px 10px 16px;
  box-shadow:var(--sh-3);transform:translateY(140%);transition:transform .22s var(--ease);
}
.sticky-cta.is-visible{transform:translateY(0)}
.sticky-cta .txt{font-size:13px;line-height:1.5;color:rgba(255,255,255,.84)}
.sticky-cta .txt strong{display:block;color:#fff;font-size:14px}
.sticky-cta .btn{height:38px;padding:0 16px;font-size:14px}
/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-copy h1{font-size:34px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:28px}
  .split-body h2,.section-head h2,h2{font-size:26px}
  .duo-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .contact-card{grid-template-columns:1fr;gap:24px}
  .link-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:899px){
  .main-nav,.header-actions .btn{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-inner{gap:16px}
  .mobile-tabbar{display:block}
  .sticky-cta{display:flex}
  body{padding-bottom:150px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-hero .container{padding-top:48px;padding-bottom:48px}
  .hero-copy h1{font-size:26px}
  .hero-copy .lead{font-size:16px}
  .strip-grid{grid-template-columns:1fr}
  .strip-item{border-left:0;border-top:1px solid var(--line);padding:18px 0}
  .strip-item:first-child{border-top:0}
  h2,.split-body h2,.section-head h2,.cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .link-grid{grid-template-columns:1fr}
  .faq-item summary{padding:18px;font-size:15px}
  .faq-answer{margin-left:18px;margin-right:18px;padding-left:14px}
  .btn{height:48px}
  .btn-sm{height:40px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .mini-form .field-row{flex-direction:column}
}
@media (max-width:479px){
  .hero-copy h1{font-size:24px}
  .brand-text{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .info-block:hover,.link-card:hover,.btn-primary:hover{transform:none}
}