/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-brand:#123B34;
  --c-brand-2:#0B1F1B;
  --c-brand-3:#1C574C;
  --c-accent:#C8F04A;
  --c-accent-2:#E8743B;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3E0D6;
  --c-ink:#14201C;
  --c-ink-2:#5A6B65;
  --c-ink-3:#8C9A94;
  --c-invert:#F2F6F4;
  --c-ok:#1E7F5C;
  --c-warn:#C9861A;
  --c-err:#C0392B;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-img:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,32,28,.06);
  --sh-2:0 12px 28px -14px rgba(18,32,28,.22);
  --sh-3:0 22px 44px -18px rgba(18,32,28,.30);
  --sp-section:72px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms var(--ease);
}
/* ============ reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;line-height:1.9;color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{letter-spacing:-.01em;line-height:1.28}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-accent);color:var(--c-brand-2)}
/* ============ 容器 / 版面 ============ */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0}
.section--tight{padding:48px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:30px;font-weight:700}
.section-head p{color:var(--c-ink-2);font-size:14.5px;margin-top:8px;max-width:620px}
.section-link{font-size:14.5px;color:var(--c-brand-3);font-weight:600;white-space:nowrap;border-bottom:2px solid transparent;transition:border-color var(--t),transform var(--t)}
.section-link:hover{border-color:var(--c-accent)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--c-brand-3);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--c-accent);border-radius:2px}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:12px;font-size:15px;font-weight:700;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--c-accent);color:var(--c-brand-2);box-shadow:var(--sh-1)}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border:1.5px solid rgba(242,246,244,.5);color:var(--c-invert)}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:var(--c-brand);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-text{color:var(--c-ink-2);height:40px;padding:0 6px;border-bottom:2px solid transparent;border-radius:0}
.btn-text:hover{color:var(--c-brand-3);border-color:var(--c-accent)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-ink-2);transition:background-color var(--t),color var(--t)
}
.icon-btn:hover{background:rgba(18,59,52,.07);color:var(--c-brand)}
.icon-btn svg{width:22px;height:22px}
/* ============ 徽章 / 标签 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:rgba(232,116,59,.12);color:#B4531F;line-height:1
}
.pill--brand{background:rgba(18,59,52,.10);color:var(--c-brand-3)}
.pill--ok{background:rgba(30,127,92,.12);color:var(--c-ok)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(242,246,244,.12);border:1px solid rgba(242,246,244,.28);color:#EAF1EE;font-size:13.5px
}
.chip svg{width:16px;height:16px;stroke-width:1.75}
/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,236,.94);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t)}
.site-header.is-stuck{box-shadow:var(--sh-1)}
.nav-top-inner{display:flex;align-items:center;gap:20px;height:68px;transition:height var(--t)}
.site-header.is-stuck .nav-top-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--c-brand);display:inline-flex;
  align-items:center;justify-content:center;color:var(--c-accent);flex-shrink:0
}
.brand-mark svg{width:18px;height:18px;stroke-width:2}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--c-brand)}
.brand-text em{font-style:normal;font-weight:600;font-size:13px;color:var(--c-ink-3);margin-left:6px;letter-spacing:0}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.main-nav a{
  position:relative;padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--c-ink-2);
  transition:color var(--t),background-color var(--t)
}
.main-nav a:hover{color:var(--c-brand);background:rgba(18,59,52,.06)}
.main-nav a.is-active{color:var(--c-brand);background:rgba(18,59,52,.09)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.search-box{display:flex;align-items:center;width:0;overflow:hidden;transition:width var(--t);border-radius:10px;background:#fff;border:1px solid transparent}
.search-box.is-open{width:220px;border-color:var(--c-line)}
.search-box input{width:100%;height:40px;border:0;outline:0;padding:0 14px;background:transparent;font-size:14px}
.menu-toggle{display:none}
/* 频道 Tabs */
.nav-channels{border-top:1px solid var(--c-line);background:rgba(255,255,255,.6)}
.channels-inner{
  display:flex;gap:8px;align-items:center;overflow-x:auto;padding:12px 24px;
  scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity
}
.channels-inner::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;scroll-snap-align:start;padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--c-ink-2);border:1px solid transparent;transition:all var(--t)
}
.channel:hover{background:var(--c-brand-3);color:#fff}
.channel.is-active{background:var(--c-brand);color:#fff}
/* 移动抽屉 */
.mobile-drawer{display:none;padding:12px 24px 20px;border-top:1px solid var(--c-line);background:#fff}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{display:block;padding:12px 4px;font-weight:600;color:var(--c-ink);border-bottom:1px dashed var(--c-line)}
.mobile-drawer a:last-child{border-bottom:0}
.mobile-drawer a.is-active{color:var(--c-brand-3)}
/* ============ Hero ============ */
.hero{
  position:relative;color:var(--c-invert);overflow:hidden;
  background-image:linear-gradient(90deg,rgba(11,31,27,.94),rgba(11,31,27,.62) 58%,rgba(11,31,27,.28)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;padding:88px 0 72px;align-items:center}
.hero-copy{grid-column:span 7}
.hero h1{font-size:50px;font-weight:800;line-height:1.16;letter-spacing:-.02em}
.hero h1 span{color:var(--c-accent)}
.hero-sub{margin-top:20px;font-size:18px;line-height:1.7;color:rgba(242,246,244,.82);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-chips{margin-top:30px}
.hero-update{
  margin-top:22px;display:inline-flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(242,246,244,.72);
  padding:8px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14)
}
.hero-update .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(200,240,74,.18)}
.hero-card{grid-column:span 5;justify-self:end;max-width:390px;background:var(--c-surface);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);color:var(--c-ink)}
.hero-card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-card-body{padding:18px 20px 20px}
.hero-card-body h3{font-size:17px;font-weight:700}
.hero-card-body p{font-size:13.5px;color:var(--c-ink-2);margin-top:6px;line-height:1.7}
/* ============ 通用卡片 ============ */
.card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);overflow:hidden
}
.card::before{content:"";position:absolute;left:0;top:0;width:34px;height:3px;background:var(--c-accent);border-radius:0 0 3px 0}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6D2C4}
.card h3{font-size:19px;font-weight:700;transition:color var(--t)}
.card:hover h3{color:var(--c-brand-3)}
.card-media{overflow:hidden;background:var(--c-bg)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
/* Bento 合集目录 */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento-lg{grid-column:span 6}
.bento-sm{grid-column:span 3}
.bento-lg .card-media{aspect-ratio:16/9}
.bento-lg .card-body{padding:20px 22px 22px}
.bento-lg .card-body p{font-size:14.5px;color:var(--c-ink-2);margin-top:8px}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--c-ink-3);margin-top:14px}
.bento-sm .card-media{aspect-ratio:1/1}
.bento-sm .card-body{padding:14px 16px 16px}
.bento-sm h3{font-size:15.5px}
.bento-sm .card-meta{margin-top:8px}
/* 横向轨道 */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 2px 22px;scroll-snap-type:x mandatory;
  scrollbar-width:none;-ms-overflow-style:none
}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 280px;scroll-snap-align:start;display:flex;flex-direction:column;padding:20px}
.rail-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.rail-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;font-weight:700;color:var(--c-brand-3)}
.rail-card h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-card p{margin-top:10px;font-size:14px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-ink-3)}
.rail-foot svg{width:16px;height:16px;color:var(--c-accent-2)}
.rail-nav{
  position:absolute;top:38%;width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--c-line);
  box-shadow:var(--sh-2);display:inline-flex;align-items:center;justify-content:center;color:var(--c-brand);z-index:2
}
.rail-nav:hover{background:var(--c-brand);color:#fff}
.rail-nav.prev{left:-20px}
.rail-nav.next{right:-20px}
/* ============ 核验步骤 / 图文 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;font-weight:700;color:var(--c-brand-2);background:var(--c-accent);display:inline-flex;align-items:center;justify-content:center;width:34px;height:24px;border-radius:6px}
.step h3{font-size:18px;margin-top:16px}
.step p{font-size:14.5px;color:var(--c-ink-2);margin-top:10px}
/* ============ CMS 列表 ============ */
.cms-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.cms-item{
  position:relative;display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)
}
.cms-item::before{content:"";position:absolute;left:0;top:0;width:34px;height:3px;background:var(--c-accent);border-radius:0 0 3px 0}
.cms-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6D2C4}
.cms-item h3{font-size:18px;line-height:1.5;margin-top:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--t)}
.cms-item:hover h3{color:var(--c-brand-3)}
.cms-item p{margin-top:10px;font-size:14.5px;color:var(--c-ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cms-foot{margin-top:16px;padding-top:14px;border-top:1px dashed var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-ink-3);gap:12px;flex-wrap:wrap}
.empty-state{
  grid-column:1/-1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-md);color:var(--c-ink-3);font-size:14px
}
.empty-state svg{width:44px;height:44px;stroke-width:1.5;color:var(--c-ink-3)}
/* ============ 数据带 ============ */
.stats{background:var(--c-brand-2);color:var(--c-invert);padding:44px 0;position:relative;overflow:hidden}
.stats::before{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:repeating-linear-gradient(45deg,#fff 0 1px,transparent 1px 12px)
}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:left}
.stat b{display:block;font-size:28px;font-weight:800;color:var(--c-accent);letter-spacing:-.02em}
.stat span{display:block;margin-top:6px;font-size:13px;color:rgba(242,246,244,.7);line-height:1.6}
/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.faq-side{grid-column:span 4}
.faq-side h2{font-size:30px;font-weight:700}
.faq-side p{margin-top:12px;font-size:14.5px;color:var(--c-ink-2)}
.faq-list{grid-column:span 8;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:border-color var(--t)}
.faq-item.is-open{border-left:3px solid var(--c-accent)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:18px 20px;font-size:16px;font-weight:600}
.faq-q .sign{flex:0 0 auto;width:22px;height:22px;position:relative}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:var(--c-brand-3);border-radius:2px;transition:transform var(--t)}
.faq-q .sign::before{left:3px;top:10px;width:16px;height:2px}
.faq-q .sign::after{left:10px;top:3px;width:2px;height:16px}
.faq-item.is-open .sign::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
/* ============ CTA 带 ============ */
.cta-band{background:var(--c-brand-2);color:var(--c-invert);position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:repeating-linear-gradient(45deg,#fff 0 1px,transparent 1px 12px)
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0;flex-wrap:wrap}
.cta-inner h2{font-size:28px;font-weight:700}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(242,246,244,.75);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-ghost{border-color:rgba(242,246,244,.35)}
/* ============ 反馈表单 ============ */
.feedback{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center}
.feedback-text{grid-column:span 5}
.feedback-text h2{font-size:28px}
.feedback-text p{margin-top:12px;font-size:14.5px;color:var(--c-ink-2)}
.feedback-form{grid-column:span 7;display:flex;gap:12px;flex-wrap:wrap}
.feedback-form input{
  flex:1 1 240px;height:48px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:#fff;
  padding:0 16px;font-size:15px;outline:0;transition:border-color var(--t),box-shadow var(--t)
}
.feedback-form input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(200,240,74,.5)}
.form-hint{flex:1 1 100%;font-size:12.5px;color:var(--c-ink-3)}
.form-msg{flex:1 1 100%;font-size:12.5px;color:var(--c-ok)}
/* ============ 页脚 ============ */
.site-footer{background:var(--c-brand-2);color:rgba(242,246,244,.8);padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.8;color:rgba(242,246,244,.68);max-width:280px}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(242,246,244,.7);margin-bottom:14px}
.footer-col a,.footer-col li{display:block;font-size:14px;color:rgba(242,246,244,.82);padding:5px 0;transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(242,246,244,.14);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(242,246,244,.6)
}
.footer-bottom .keyword-line{max-width:700px;line-height:1.8}
.back-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;background:var(--c-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-3);opacity:0;pointer-events:none;
  transform:translateY(10px);transition:opacity var(--t),transform var(--t);z-index:70
}
.back-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-top:hover{background:var(--c-brand-3)}
/* ============ 响应式 ============ */
@media (max-width:1280px){
  .rail-nav.prev{left:-8px}
  .rail-nav.next{right:-8px}
}
@media (max-width:1024px){
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
  .hero-inner{grid-template-columns:1fr;padding:64px 0 56px}
  .hero-copy,.hero-card{grid-column:1/-1}
  .hero-card{justify-self:start;max-width:100%}
  .hero h1{font-size:40px}
  .bento-lg{grid-column:span 6}
  .bento-sm{grid-column:span 6}
  .steps{grid-template-columns:1fr}
  .faq-side,.faq-list{grid-column:1/-1}
  .feedback-text,.feedback-form{grid-column:1/-1}
  .footer-grid{grid-template-columns:1fr 1fr}
  .rail-nav{display:none}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.85}
  :root{--sp-section:48px}
  .container{padding:0 18px}
  .channels-inner{padding:10px 18px;height:44px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:24px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .bento-lg,.bento-sm{grid-column:1/-1}
  .cms-list{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:20px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 0}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .feedback-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .search-box.is-open{width:150px}
}
@media (max-width:480px){
  .hero h1{font-size:27px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .stats-grid{grid-template-columns:1fr}
  .brand-text em{display:none}
  .btn{font-size:14.5px}
}

/* roulang page: article */
:root{
  --c-brand:#123B34;--c-brand-2:#0B1F1B;--c-brand-3:#1C574C;
  --c-accent:#C8F04A;--c-accent-2:#E8743B;
  --c-bg:#F6F3EC;--c-surface:#FFFFFF;--c-line:#E3E0D6;
  --c-ink:#14201C;--c-ink-2:#5A6B65;--c-ink-3:#8C9A94;
  --c-on-dark:#F2F6F4;
  --c-ok:#1E7F5C;--c-warn:#C9861A;--c-err:#C0392B;
  --r-sm:8px;--r-md:14px;--r-lg:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(18,32,28,.06);
  --sh-2:0 12px 28px -14px rgba(18,32,28,.22);
  --sh-3:0 22px 44px -18px rgba(18,32,28,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms var(--ease);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;line-height:1.9;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head h2{font-size:30px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p{color:var(--c-ink-2);font-size:14.5px;margin-top:8px}
.link-more{color:var(--c-brand-3);font-size:14.5px;font-weight:600;border-bottom:2px solid transparent;transition:border-color var(--t)}
.link-more:hover{border-color:var(--c-accent)}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,236,.92);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t)}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.topbar{display:flex;align-items:center;gap:24px;height:68px;transition:height var(--t)}
.site-header.is-scrolled .topbar{height:56px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--c-brand-2)}
.brand-mark{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;background:var(--c-brand);color:var(--c-accent)}
.brand-mark svg{width:18px;height:18px;stroke-width:1.75}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.main-nav a{padding:8px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--c-ink-2);transition:background var(--t),color var(--t)}
.main-nav a:hover{background:var(--c-brand-3);color:#fff}
.main-nav a.is-active{background:var(--c-brand);color:#fff}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{display:flex;align-items:center;gap:8px}
.search-box input{width:0;opacity:0;height:40px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-sm);padding:0 12px;font-size:14.5px;transition:width var(--t),opacity var(--t)}
.search-box.is-open input{width:220px;opacity:1}
.search-box input:focus{border-color:var(--c-brand);outline:2px solid var(--c-accent);outline-offset:1px}
.icon-btn{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);transition:transform var(--t),box-shadow var(--t),color var(--t)}
.icon-btn:hover{color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-2)}
.icon-btn svg{width:20px;height:20px;stroke-width:1.75}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:700;padding:12px 20px;border-radius:12px;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t)}
.btn-primary{background:var(--c-accent);color:var(--c-brand-2)}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-secondary{border:1.5px solid var(--c-brand);color:var(--c-brand)}
.btn-secondary:hover{background:var(--c-brand);color:#fff}
.btn-ghost{color:var(--c-ink-2);padding:8px 4px;border-bottom:2px solid transparent;border-radius:0}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-brand-3)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.channel-bar{border-top:1px solid var(--c-line);background:rgba(255,255,255,.6)}
.channel-scroll{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x proximity;padding:10px 0;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;scroll-snap-align:start;padding:8px 16px;border-radius:var(--r-pill);font-size:14.5px;color:var(--c-ink-2);background:transparent;transition:background var(--t),color var(--t)}
.chip:hover{background:var(--c-brand-3);color:#fff}
.chip.is-active{background:var(--c-brand);color:#fff}
.nav-toggle{display:none}

/* breadcrumb */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);padding:18px 0 0;flex-wrap:wrap}
.crumb a{color:var(--c-ink-2);transition:color var(--t)}
.crumb a:hover{color:var(--c-accent-2)}
.crumb .sep{color:var(--c-ink-3)}
.crumb .current{max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-ink)}

/* article head */
.article-head{padding:20px 0 32px;border-bottom:1px solid var(--c-line)}
.pill{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;background:rgba(232,116,59,.12);color:var(--c-accent-2)}
.pill-brand{background:rgba(28,87,76,.12);color:var(--c-brand-3)}
.article-head h1{font-size:36px;line-height:1.3;font-weight:800;letter-spacing:-.01em;margin:16px 0 18px;max-width:860px}
.lede{border-left:3px solid var(--c-accent);padding-left:16px;font-size:17px;line-height:1.9;color:var(--c-ink-2);max-width:820px}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;font-size:12.5px;color:var(--c-ink-3)}
.meta-row span.dot{color:var(--c-line)}

/* layout */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;padding:48px 0 64px;align-items:start}
.cms-body{max-width:760px;font-size:16.5px;line-height:1.9;color:var(--c-ink);word-break:break-word}
.cms-body p{margin:0 0 1.15em}
.cms-body h2{font-size:24px;line-height:1.4;font-weight:700;margin:40px 0 14px;padding-left:14px;position:relative}
.cms-body h2::before{content:"";position:absolute;left:0;top:.28em;width:6px;height:1em;border-radius:2px;background:var(--c-accent)}
.cms-body h3{font-size:20px;font-weight:700;margin:28px 0 10px}
.cms-body ul{margin:0 0 1.15em;padding-left:2px}
.cms-body ul li{position:relative;padding-left:20px;margin-bottom:8px}
.cms-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--c-accent)}
.cms-body ol{margin:0 0 1.15em;counter-reset:li;padding-left:0}
.cms-body ol li{position:relative;padding-left:30px;margin-bottom:8px;counter-increment:li}
.cms-body ol li::before{content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;font-size:13px;font-weight:700;color:var(--c-brand-3)}
.cms-body blockquote{margin:0 0 1.15em;background:var(--c-bg);border-left:3px solid var(--c-accent-2);padding:20px;border-radius:0 var(--r-md) var(--r-md) 0;color:var(--c-ink-2)}
.cms-body img{border-radius:14px;margin:20px auto}
.cms-body figure{margin:20px 0}
.cms-body figcaption{text-align:center;font-size:13px;color:var(--c-ink-3);margin-top:8px}
.cms-body table{width:100%;border-collapse:collapse;border-radius:12px;overflow:hidden;margin:20px 0;font-size:15px}
.cms-body th,.cms-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left}
.cms-body thead th{background:var(--c-bg);font-weight:700}
.cms-body tbody tr:nth-child(even){background:rgba(246,243,236,.6)}
.cms-body a{color:var(--c-brand-3);border-bottom:2px solid rgba(200,240,74,.8)}
.cms-body strong{font-weight:700}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.note-box{margin:20px 0;padding:16px 18px;border-left:3px solid var(--c-brand-3);background:rgba(28,87,76,.1);border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:15px;color:var(--c-ink-2)}
.note-warn{border-left-color:var(--c-warn);background:rgba(201,134,26,.1)}

/* side */
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:20px;position:sticky;top:132px}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;padding-left:12px;position:relative}
.side-card h3::before{content:"";position:absolute;left:0;top:.35em;width:3px;height:.9em;border-radius:2px;background:var(--c-accent)}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--c-ink-2);padding:9px 0;border-bottom:1px dashed var(--c-line)}
.side-list li:last-child{border-bottom:0}
.side-list b{color:var(--c-ink);font-weight:600}
.side-links{margin-top:18px;display:grid;gap:8px}
.side-links a{font-size:14px;color:var(--c-brand-3);padding:10px 12px;border-radius:var(--r-sm);background:var(--c-bg);transition:transform var(--t),color var(--t)}
.side-links a:hover{transform:translateX(3px);color:var(--c-accent-2)}

/* tags & actions */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 24px}
.tag-row .pill{background:rgba(200,240,74,.28);color:var(--c-brand-2)}
.action-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:16px 20px}
.action-bar .btn{padding:10px 16px;font-size:14.5px}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:220px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-md);color:var(--c-ink-3);text-align:center;padding:24px}
.empty-state svg{width:44px;height:44px;stroke-width:1.5;color:var(--c-ink-3)}
.empty-state p{font-size:14px}

/* related */
.cms-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;min-height:120px}
.cms-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:20px;position:relative;overflow:hidden;transition:transform var(--t),box-shadow var(--t)}
.cms-item::before{content:"";position:absolute;left:0;top:0;width:3px;height:34px;background:var(--c-accent);border-radius:0 0 3px 0}
.cms-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.cms-item h3{font-size:18px;font-weight:700;line-height:1.5;margin:12px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-item:hover h3{color:var(--c-brand-3)}
.cms-item p{font-size:14.5px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cms-item .meta{display:flex;gap:10px;margin-top:14px;font-size:12.5px;color:var(--c-ink-3)}

/* cta */
.cta-band{background:var(--c-brand-2);color:var(--c-on-dark);border-radius:var(--r-lg);padding:40px;display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 2px,transparent 2px 10px)}
.cta-band h2{font-size:26px;line-height:1.35;font-weight:700}
.cta-band p{color:rgba(242,246,244,.72);font-size:14.5px;margin-top:8px}
.cta-band .btn-primary:hover{filter:brightness(.94)}
.btn-outline-light{border:1.5px solid rgba(242,246,244,.5);color:var(--c-on-dark)}
.btn-outline-light:hover{border-color:var(--c-accent);color:var(--c-accent)}
.back-center{display:flex;justify-content:center;padding:8px 0 56px}
#toTop{position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:14px;background:var(--c-brand);color:var(--c-accent);display:grid;place-items:center;box-shadow:var(--sh-2);opacity:0;pointer-events:none;transition:opacity var(--t),transform var(--t);z-index:70}
#toTop.is-show{opacity:1;pointer-events:auto}
#toTop:hover{transform:translateY(-3px)}
#toTop svg{width:22px;height:22px;stroke-width:1.75}

/* footer */
.site-footer{background:var(--c-brand-2);color:var(--c-on-dark);padding:56px 0 24px;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-mark{background:var(--c-accent);color:var(--c-brand-2)}
.footer-brand p{color:rgba(242,246,244,.72);font-size:14px;margin-top:14px;max-width:300px;line-height:1.8}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(242,246,244,.7);margin-bottom:14px}
.footer-col a,.footer-col li{display:block;font-size:14px;color:rgba(242,246,244,.8);padding:6px 0;transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:var(--c-accent);transform:translateX(-2px)}
.footer-bottom{border-top:1px solid rgba(242,246,244,.14);margin-top:36px;padding-top:18px;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;font-size:12.5px;color:rgba(242,246,244,.62)}
.keyword-line{max-width:640px;line-height:1.7}
.btn-text{color:rgba(242,246,244,.8);font-size:12.5px;border-bottom:1px solid transparent;transition:color var(--t),border-color var(--t)}
.btn-text:hover{color:var(--c-accent);border-color:var(--c-accent)}

@media (max-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .side-card{position:static}
  .cms-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-head h1{font-size:30px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .main-nav{display:none;position:absolute;left:18px;right:18px;top:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-2);flex-direction:column;align-items:stretch;padding:10px;margin-left:0}
  body.nav-open .main-nav{display:flex}
  .nav-toggle{display:grid}
  .search-box.is-open input{width:150px}
  .section{padding:40px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:24px}
  .article-head h1{font-size:27px}
  .cms-body{font-size:16px}
  .cms-body h2{font-size:21px}
  .cms-body h3{font-size:18px}
  .cta-band{padding:28px 22px}
  .cta-band .btn,.action-bar .btn{width:100%}
  .action-bar{flex-direction:column;align-items:stretch}
}
@media (max-width:520px){
  .topbar{gap:12px}
  .brand{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr}
  .article-head h1{font-size:24px}
  .lede{font-size:15.5px}
  #toTop{right:16px;bottom:18px;width:44px;height:44px}
}

/* roulang page: category1 */
:root{
  --c-brand:#123B34;
  --c-brand-2:#0B1F1B;
  --c-brand-3:#1C574C;
  --c-accent:#C8F04A;
  --c-accent-2:#E8743B;
  --c-accent-2-ink:#B5511D;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3E0D6;
  --c-ink:#14201C;
  --c-ink-2:#5A6B65;
  --c-ink-3:#8C9A94;
  --c-on-dark:#F2F6F4;
  --c-ok:#1E7F5C;
  --c-warn:#C9861A;
  --c-err:#C0392B;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,32,28,.06);
  --sh-2:0 12px 28px -14px rgba(18,32,28,.22);
  --sh-3:0 22px 44px -18px rgba(18,32,28,.30);
  --t:200ms;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:130px}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,"Segoe UI",sans-serif;
  font-size:16.5px;line-height:1.9;color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd,dt,figure{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 14px;border-radius:var(--r-sm);z-index:200}

.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,243,236,.94);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t) var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;
  height:74px;transition:height var(--t) var(--ease);
}
.site-header.is-scrolled .header-inner{height:62px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--c-brand);color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px;stroke-width:1.75}
.brand-text{font-size:17px;color:var(--c-ink)}
.main-nav{display:flex;justify-content:center;gap:4px}
.main-nav a{
  padding:8px 15px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--c-ink-2);
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
  white-space:nowrap;
}
.main-nav a:hover{background:rgba(18,59,52,.08);color:var(--c-brand)}
.main-nav a.is-active{background:var(--c-brand);color:#fff}
.main-nav a.is-active:hover{background:var(--c-brand-3);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px}
.search-wrap{display:flex;align-items:center;gap:6px}
.search-wrap input{
  width:0;height:38px;padding:0;border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:#fff;font-size:14.5px;opacity:0;pointer-events:none;
  transition:width var(--t) var(--ease),opacity var(--t) var(--ease),padding var(--t) var(--ease);
}
.search-wrap.is-open input{width:200px;padding:0 12px;opacity:1;pointer-events:auto}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink-2);
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.icon-btn:hover{color:var(--c-brand);border-color:var(--c-brand);transform:translateY(-1px)}
.icon-btn svg{width:19px;height:19px;stroke-width:1.75}
.nav-toggle{display:none}

.channel-bar{position:relative;border-top:1px solid var(--c-line)}
.channel-scroll{
  display:flex;gap:8px;overflow-x:auto;padding:9px 24px;
  scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.pill-tab{
  flex:0 0 auto;scroll-snap-align:start;
  padding:7px 16px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:14.5px;font-weight:600;color:var(--c-ink-2);
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.pill-tab:hover{background:var(--c-brand-3);color:#fff}
.pill-tab.is-active{background:var(--c-brand);color:#fff}

/* ---------- hero ---------- */
.hero-compact{position:relative;background:var(--c-brand-2);color:var(--c-on-dark);overflow:hidden}
.hero-compact::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;
}
.hero-inner{
  position:relative;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px;
  align-items:center;min-height:260px;padding:34px 0 38px;
}
.crumb{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:rgba(242,246,244,.62);margin-bottom:14px}
.crumb li{display:flex;align-items:center;gap:6px}
.crumb li+li::before{content:"/";color:rgba(242,246,244,.34)}
.crumb a:hover{color:var(--c-accent)}
.hero-compact h1{
  font-size:clamp(26px,3vw,34px);line-height:1.28;font-weight:800;letter-spacing:-.01em;color:#fff;
  max-width:22ch;
}
.hero-sub{margin-top:12px;font-size:16.5px;line-height:1.8;color:rgba(242,246,244,.8);max-width:56ch}
.hero-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:18px 20px;
}
.hero-card .card-title{font-size:12.5px;font-weight:600;letter-spacing:.06em;color:rgba(242,246,244,.6);margin-bottom:10px}
.hero-card dl{display:grid;gap:10px}
.hero-card dl div{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.hero-card dt{font-size:13.5px;color:rgba(242,246,244,.72)}
.hero-card dd{font-size:16px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:44px;padding:56px 0 76px;align-items:start}
.side-nav{position:sticky;top:132px;align-self:start}
.side-nav h2{
  font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--c-ink-3);margin-bottom:12px;
}
.side-nav ul{display:grid;gap:2px;border-left:1px solid var(--c-line);padding-left:8px}
.side-nav a{
  display:block;padding:9px 12px;border-radius:var(--r-sm);border-left:2px solid transparent;
  font-size:14.5px;color:var(--c-ink-2);margin-left:-9px;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.side-nav a:hover{background:#fff;color:var(--c-brand)}
.side-nav a.is-current{background:#fff;color:var(--c-brand);font-weight:600;border-left-color:var(--c-accent)}

.block{margin-bottom:56px}
.block:last-child{margin-bottom:0}
.block-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.block-head h2{font-size:26px;font-weight:700;line-height:1.32;letter-spacing:-.01em}
.block-head p{font-size:14px;color:var(--c-ink-3)}
.block-lead{font-size:15.5px;line-height:1.85;color:var(--c-ink-2);margin-bottom:20px;max-width:64ch}

/* ---------- 条目卡 ---------- */
.item-list{display:grid;gap:14px}
.item-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-1);display:grid;grid-template-columns:54px minmax(0,1fr);gap:16px;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.item-card::before{
  content:"";position:absolute;left:0;top:20px;width:3px;height:22px;
  background:var(--c-accent);border-radius:0 3px 3px 0;
}
.item-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.item-no{
  font-size:22px;font-weight:800;line-height:1;color:var(--c-brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;padding-top:2px;
}
.item-body h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:6px}
.item-body p{font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.item-body details{margin-top:12px}
.item-body summary{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-brand-3);
  list-style:none;cursor:pointer;
}
.item-body summary::-webkit-details-marker{display:none}
.item-body summary::after{
  content:"+";display:inline-flex;align-items:center;justify-content:center;
  width:20px;height:20px;border-radius:6px;background:rgba(28,87,76,.1);font-size:14px;line-height:1;
}
.item-body details[open] summary::after{content:"−"}
.item-body details[open] summary{color:var(--c-brand)}
.detail-body{
  margin-top:10px;padding-left:14px;border-left:2px solid var(--c-line);
  font-size:14.5px;line-height:1.85;color:var(--c-ink-2);
}

/* ---------- 表格 ---------- */
.table-wrap{
  border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);
  overflow-x:auto;box-shadow:var(--sh-1);
}
table{width:100%;min-width:660px;border-collapse:collapse}
th{
  background:var(--c-brand-2);color:var(--c-on-dark);
  font-size:14px;font-weight:600;text-align:left;padding:14px 18px;white-space:nowrap;
}
td{padding:14px 18px;font-size:14.5px;line-height:1.7;color:var(--c-ink-2);border-top:1px solid var(--c-line)}
tbody tr:nth-child(even){background:#FBFAF6}
td:first-child{color:var(--c-ink);font-weight:600;white-space:nowrap}

/* ---------- 图文 ---------- */
.media-row{display:grid;grid-template-columns:280px minmax(0,1fr);gap:24px;align-items:center;margin-bottom:24px}
.media-row img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;border:1px solid var(--c-line)}
.media-row h3{font-size:18px;font-weight:700;margin-bottom:8px}
.media-row p{font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:var(--c-line)}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 4px rgba(200,240,74,.22);
}
.tl-item h3{font-size:17px;font-weight:700;margin-bottom:5px}
.tl-item p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);max-width:60ch}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-left:3px solid transparent;
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.faq-item.is-open{border-left-color:var(--c-accent);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-brand-3)}
.faq-mark{
  flex:0 0 auto;width:24px;height:24px;border-radius:7px;background:rgba(28,87,76,.09);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;line-height:1;color:var(--c-brand);
}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-brand-2);color:var(--c-on-dark);
  border-radius:var(--r-lg);padding:34px 36px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 11px);
}
.cta-band>*{position:relative}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.35;color:#fff}
.cta-band p{margin-top:8px;font-size:15px;line-height:1.8;color:rgba(242,246,244,.76);max-width:54ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:12px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),
             background var(--t) var(--ease),color var(--t) var(--ease),filter var(--t) var(--ease);
}
.btn svg{width:18px;height:18px;stroke-width:1.75}
.btn-primary{background:var(--c-accent);color:#0B1F1B}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{border-color:var(--c-brand);color:var(--c-brand)}
.btn-secondary:hover{background:var(--c-brand);color:#fff}
.btn-on-dark{border-color:rgba(242,246,244,.4);color:var(--c-on-dark)}
.btn-on-dark:hover{background:rgba(242,246,244,.13);border-color:rgba(242,246,244,.72)}
.btn-ghost{color:var(--c-ink-2)}
.btn-ghost:hover{color:var(--c-brand);text-decoration:underline;text-decoration-color:var(--c-accent);text-decoration-thickness:2px;text-underline-offset:4px}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:rgba(232,116,59,.12);color:var(--c-accent-2-ink);
}
.badge-ok{background:rgba(30,127,92,.1);color:var(--c-ok)}
.badge-warn{background:rgba(201,134,26,.12);color:var(--c-warn)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-brand-2);color:var(--c-on-dark);margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 32px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:var(--c-accent)}
.footer-brand p{margin-top:14px;font-size:14.5px;line-height:1.8;color:rgba(242,246,244,.7);max-width:38ch}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(242,246,244,.7);margin-bottom:14px}
.footer-col a{display:block;padding:5px 0;font-size:14.5px;color:rgba(242,246,244,.82);transition:color var(--t) var(--ease),transform var(--t) var(--ease)}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.footer-col ul{display:grid;gap:5px}
.footer-col li{font-size:14.5px;color:rgba(242,246,244,.7)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,246,244,.62);
}
.keyword-line{max-width:62ch;line-height:1.7}
.btn-text{color:rgba(242,246,244,.82);font-size:13.5px;font-weight:600}
.btn-text:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px}

/* ---------- 空态 / 状态 ---------- */
.empty-state{
  height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-md);
  color:var(--c-ink-3);font-size:14px;text-align:center;padding:24px;
}
.empty-state svg{width:36px;height:36px;stroke-width:1.5;color:var(--c-ink-3)}
.note{
  font-size:13.5px;line-height:1.75;color:var(--c-ink-2);
  border-left:3px solid var(--c-accent-2);background:rgba(232,116,59,.08);
  padding:14px 16px;border-radius:0 var(--r-sm) var(--r-sm) 0;margin-top:18px;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr);gap:32px;padding:40px 0 64px}
  .side-nav{position:static;top:auto}
  .side-nav ul{display:flex;overflow-x:auto;border-left:0;padding-left:0;gap:6px;padding-bottom:4px;scrollbar-width:none}
  .side-nav ul::-webkit-scrollbar{display:none}
  .side-nav a{
    margin-left:0;border-left:0;border:1px solid var(--c-line);border-radius:var(--r-pill);
    padding:7px 14px;font-size:14px;white-space:nowrap;background:#fff;
  }
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:24px;min-height:0;padding:30px 0 34px}
  .hero-card{max-width:420px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 26px}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.85}
  .container{padding:0 18px}
  .header-inner{grid-template-columns:auto auto;grid-template-areas:"brand toggle" "nav nav";height:auto;padding:12px 0;gap:10px}
  .brand{grid-area:brand}
  .nav-toggle{
    grid-area:toggle;display:inline-flex;width:40px;height:40px;border:1px solid var(--c-line);
    border-radius:10px;background:#fff;align-items:center;justify-content:center;color:var(--c-ink-2);
  }
  .nav-toggle svg{width:20px;height:20px;stroke-width:1.75}
  .main-nav{
    grid-area:nav;display:none;flex-direction:column;gap:4px;padding:8px 0 4px;
    border-top:1px solid var(--c-line);
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:11px 14px;border-radius:var(--r-sm);font-size:15.5px}
  .header-actions{display:none}
  .channel-scroll{padding:8px 18px}
  .channel-bar::after{
    content:"";position:absolute;right:0;top:0;bottom:0;width:30px;pointer-events:none;
    background:linear-gradient(90deg,rgba(246,243,236,0),rgba(246,243,236,.96));
  }
  .block{margin-bottom:44px}
  .block-head h2{font-size:22px}
  .item-card{grid-template-columns:40px minmax(0,1fr);gap:12px;padding:18px}
  .item-no{font-size:19px}
  .media-row{grid-template-columns:minmax(0,1fr);gap:14px}
  .cta-band{padding:26px 22px;border-radius:var(--r-md)}
  .cta-band h2{font-size:21px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .hero-compact h1{font-size:24px}
  .hero-sub{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .btn{width:100%}
  .btn-sm{width:auto}
}

/* roulang page: category2 */
:root{
  --c-brand:#123B34;--c-brand-2:#0B1F1B;--c-brand-3:#1C574C;
  --c-accent:#C8F04A;--c-accent-2:#E8743B;
  --c-bg:#F6F3EC;--c-surface:#FFFFFF;--c-line:#E3E0D6;
  --c-ink:#14201C;--c-ink-2:#5A6B65;--c-ink-3:#8C9A94;
  --c-ok:#1E7F5C;--c-warn:#C9861A;--c-err:#C0392B;
  --r-sm:8px;--r-md:14px;--r-lg:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(18,32,28,.06);
  --sh-2:0 12px 28px -14px rgba(18,32,28,.22);
  --sh-3:0 22px 44px -18px rgba(18,32,28,.30);
  --sp:72px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--c-bg);color:var(--c-ink);font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16.5px;line-height:1.9;letter-spacing:0;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.container-narrow{max-width:860px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,236,.92);border-bottom:1px solid var(--c-line);transition:box-shadow .2s var(--ease);}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.nav-top{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--c-brand);color:var(--c-accent);display:grid;place-items:center;flex:none;}
.brand-mark svg{width:18px;height:18px;stroke-width:1.75;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-brand-2);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1;}
.main-nav a{padding:8px 12px;border-radius:var(--r-pill);font-size:15px;color:var(--c-ink-2);transition:background .18s var(--ease),color .18s var(--ease);}
.main-nav a:hover{background:rgba(28,87,76,.08);color:var(--c-brand-3);}
.main-nav a.is-active{background:var(--c-brand);color:#fff;font-weight:600;}
.nav-tools{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);display:grid;place-items:center;cursor:pointer;color:var(--c-ink-2);transition:transform .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease);}
.icon-btn svg{width:19px;height:19px;stroke-width:1.75;}
.icon-btn:hover{color:var(--c-brand-3);box-shadow:var(--sh-1);transform:translateY(-1px);}
.search-wrap{position:relative;display:flex;align-items:center;}
.search-wrap input{width:0;opacity:0;height:40px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);padding:0;transition:width .22s var(--ease),opacity .22s var(--ease),padding .22s var(--ease);}
.search-wrap.is-open input{width:220px;opacity:1;padding:0 12px;}
.search-wrap input:focus{border-color:var(--c-brand);outline:2px solid var(--c-accent);outline-offset:1px;}
.menu-toggle{display:none;}

.nav-channels{position:relative;border-top:1px solid var(--c-line);}
.channel-track{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;padding:8px 24px;max-width:1200px;margin:0 auto;}
.channel-track::-webkit-scrollbar{display:none;}
.channel-track a{flex:none;scroll-snap-align:start;padding:7px 16px;border-radius:var(--r-pill);font-size:14.5px;color:var(--c-ink-2);transition:background .18s var(--ease),color .18s var(--ease);}
.channel-track a:hover{background:var(--c-brand-3);color:#fff;}
.channel-track a.is-active{background:var(--c-brand);color:#fff;font-weight:600;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:12px;border:1.5px solid transparent;font-size:15.5px;font-weight:600;cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);}
.btn svg{width:18px;height:18px;stroke-width:1.75;}
.btn-primary{background:var(--c-accent);color:var(--c-brand-2);}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-outline:hover{background:var(--c-brand);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--c-ink-2);padding:0 10px;height:40px;}
.btn-ghost:hover{color:var(--c-brand-3);box-shadow:inset 0 -2px 0 var(--c-accent);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.btn.is-loading{position:relative;color:transparent;}
.btn.is-loading::after{content:"";position:absolute;width:16px;height:16px;border:2px solid rgba(11,31,27,.3);border-top-color:var(--c-brand-2);border-radius:50%;animation:spin .7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:30px;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.section-head p{color:var(--c-ink-2);font-size:15px;max-width:620px;margin-top:8px;}
.link-more{color:var(--c-brand-3);font-weight:600;font-size:15px;border-bottom:2px solid var(--c-accent);padding-bottom:2px;}
.link-more:hover{color:var(--c-accent-2);}
.pill{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12.5px;line-height:1;font-weight:600;background:rgba(232,116,59,.12);color:#B44E1C;}

/* ---------- 浅底 Hero ---------- */
.hero-light{padding:56px 0 44px;background:var(--c-bg);position:relative;overflow:hidden;}
.hero-light::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(18,59,52,1) 1px,transparent 1px),linear-gradient(90deg,rgba(18,59,52,1) 1px,transparent 1px);background-size:48px 48px;opacity:.035;pointer-events:none;}
.hero-inner{position:relative;max-width:820px;margin:0 auto;text-align:center;}
.crumb{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:18px;}
.crumb a:hover{color:var(--c-accent-2);}
.crumb span{color:var(--c-ink-3);}
.hero-inner h1{font-size:32px;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--c-brand-2);}
.hero-inner h1 em{font-style:normal;background:linear-gradient(transparent 62%,rgba(200,240,74,.75) 62%);}
.hero-sub{margin-top:14px;font-size:16.5px;line-height:1.85;color:var(--c-ink-2);}
.hero-meta{margin-top:20px;display:flex;justify-content:center;flex-wrap:wrap;gap:10px;}
.hero-meta .tag{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:var(--c-surface);border:1px solid var(--c-line);font-size:13.5px;color:var(--c-ink-2);}
.hero-meta .tag i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block;}

/* ---------- 交错图文 ---------- */
.alt-block{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:center;margin-bottom:80px;}
.alt-block:last-of-type{margin-bottom:0;}
.alt-block.is-reverse .alt-media{order:2;}
.alt-media{border-radius:18px;overflow:hidden;background:#EDE9DF;border:1px solid var(--c-line);box-shadow:var(--sh-1);aspect-ratio:4/3;}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.alt-block:hover .alt-media img{transform:scale(1.03);}
.alt-body h3{font-size:22px;line-height:1.4;font-weight:700;margin-bottom:14px;color:var(--c-brand-2);}
.alt-body p{color:var(--c-ink-2);line-height:1.9;font-size:16.5px;}
.alt-body p + p{margin-top:12px;}
.alt-num{display:inline-block;font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;color:#B44E1C;letter-spacing:.08em;margin-bottom:10px;}
.alt-points{margin-top:16px;display:grid;gap:8px;}
.alt-points li{position:relative;padding-left:18px;font-size:15px;color:var(--c-ink-2);}
.alt-points li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;background:var(--c-accent);border-radius:2px;}

/* ---------- 卡片墙 ---------- */
.wall{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.wall-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px 22px 20px;box-shadow:var(--sh-1);display:flex;align-items:flex-start;justify-content:space-between;gap:16px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);}
.wall-card:hover{transform:translateX(6px);box-shadow:var(--sh-2);border-color:rgba(28,87,76,.35);}
.wall-card h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px;transition:color .2s var(--ease);}
.wall-card:hover h3{color:var(--c-brand-3);}
.wall-card p{font-size:14.5px;color:var(--c-ink-2);line-height:1.7;}
.wall-arrow{flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(200,240,74,.35);color:var(--c-brand-2);opacity:.7;transition:opacity .2s var(--ease),background .2s var(--ease);}
.wall-card:hover .wall-arrow{opacity:1;background:var(--c-accent);}
.wall-arrow svg{width:17px;height:17px;stroke-width:1.75;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s var(--ease);}
.faq-item.is-open{border-left:3px solid var(--c-accent);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:0;padding:20px 22px;text-align:left;font-size:16px;font-weight:600;cursor:pointer;}
.faq-q:hover{color:var(--c-brand-3);}
.faq-sign{flex:none;width:22px;height:22px;position:relative;}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--c-brand-3);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease);}
.faq-sign::before{left:5px;top:10px;width:12px;height:2px;}
.faq-sign::after{left:10px;top:5px;width:2px;height:12px;}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.faq-item.is-open .faq-a{max-height:340px;}

/* ---------- CTA 卡 ---------- */
.cta-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:44px 32px;text-align:center;}
.cta-card h2{font-size:26px;line-height:1.3;font-weight:700;color:var(--c-brand-2);}
.cta-card p{margin-top:12px;color:var(--c-ink-2);font-size:16px;max-width:620px;margin-left:auto;margin-right:auto;}
.cta-actions{margin-top:26px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand-2);color:#F2F6F4;margin-top:var(--sp);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{background:rgba(200,240,74,.16);}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.7);margin-bottom:14px;}
.footer-col a{display:block;font-size:14.5px;color:rgba(255,255,255,.8);padding:5px 0;transition:color .18s var(--ease),transform .18s var(--ease);}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px);}
.footer-col ul li{font-size:14.5px;color:rgba(255,255,255,.78);padding:5px 0;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.62);}
.keyword-line{flex:1;min-width:240px;}
.btn-text{background:none;border:0;color:rgba(255,255,255,.8);cursor:pointer;font-size:13.5px;padding:6px 0;border-bottom:1px solid transparent;transition:color .18s var(--ease),border-color .18s var(--ease);}
.btn-text:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}

/* ---------- 悬浮返回顶部 ---------- */
#floatTop{position:fixed;right:28px;bottom:28px;width:48px;height:48px;border-radius:50%;border:0;background:var(--c-brand);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;z-index:70;}
#floatTop.is-show{opacity:1;visibility:visible;transform:translateY(0);}
#floatTop svg{width:20px;height:20px;stroke-width:1.75;}
#floatTop:hover{background:var(--c-brand-3);}

/* ---------- 断点 ---------- */
@media (max-width:1280px){
  .container,.channel-track{padding-left:24px;padding-right:24px;}
}
@media (max-width:1024px){
  :root{--sp:60px;}
  .alt-block{gap:28px;margin-bottom:64px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  :root{--sp:48px;}
  body{font-size:16px;line-height:1.85;}
  .container,.container-narrow{padding:0 18px;}
  .nav-top{height:60px;gap:12px;}
  .main-nav{position:absolute;left:0;right:0;top:100%;background:var(--c-surface);border-bottom:1px solid var(--c-line);flex-direction:column;align-items:stretch;gap:0;padding:8px 18px 14px;display:none;box-shadow:var(--sh-2);}
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:12px 10px;border-radius:var(--r-sm);}
  .menu-toggle{display:grid;}
  .search-wrap.is-open input{width:150px;}
  .channel-track{padding:8px 18px;height:44px;}
  .hero-light{padding:40px 0 32px;}
  .hero-inner h1{font-size:26px;}
  .hero-sub{font-size:15.5px;}
  .alt-block{grid-template-columns:1fr;gap:22px;margin-bottom:48px;}
  .alt-block.is-reverse .alt-media{order:0;}
  .wall{grid-template-columns:1fr;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  #floatTop{right:16px;bottom:16px;width:44px;height:44px;}
}
@media (max-width:520px){
  .hero-inner h1{font-size:23px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head h2{font-size:24px;}
  .cta-card{padding:32px 20px;}
  .wall-card{padding:18px;}
  .search-wrap{display:none;}
}