/* roulang page: index */
:root{
  --brand-900:#0B1F1B;
  --brand-700:#12564A;
  --brand-500:#1E7F6C;
  --brand-100:#E3F0EA;
  --accent-600:#D9903D;
  --accent-100:#FBEFDD;
  --alert-600:#C6402F;
  --ink-900:#1B2A26;
  --ink-500:#5A6B65;
  --bg-warm:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E2DFD6;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(11,31,27,.06), 0 8px 24px -12px rgba(11,31,27,.18);
  --shadow-2:0 2px 6px rgba(11,31,27,.08), 0 18px 40px -18px rgba(11,31,27,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
.site-body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-900);
  background:var(--bg-warm);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p,.site-body ul,.site-body ol{margin:0}
.site-body ul,.site-body ol{padding:0;list-style:none}
.site-body img{display:block;max-width:100%}
.site-body a{color:inherit;text-decoration:none}
.site-body button{font-family:inherit;cursor:pointer;border:0;background:none}
.site-body input,.site-body select,.site-body textarea{font-family:inherit;font-size:16px}
.site-body :focus-visible{outline:3px solid rgba(18,86,74,.35);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
@media(min-width:1024px) and (max-width:1279px){.container{max-width:1140px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,238,.9);
  border-bottom:1px solid transparent;
  transition:background .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -22px rgba(11,31,27,.5);
  backdrop-filter:blur(10px);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--brand-700);
  display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-1);
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.brand:hover .brand-mark{background:var(--brand-500);transform:translateY(-1px)}
.brand-name{display:block;font-size:19px;font-weight:800;line-height:1.2;letter-spacing:.01em}
.brand-sub{display:block;font-size:11px;font-weight:500;color:var(--ink-500);letter-spacing:.14em;line-height:1.4}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:500;color:var(--ink-900);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-link:hover{background:var(--brand-100);color:var(--brand-700)}
.nav-link.is-active{background:var(--brand-100);color:var(--brand-700);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:22%;right:22%;bottom:3px;height:2px;
  border-radius:2px;background:var(--brand-700);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-500);background:var(--brand-100)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:.18s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand-700);border-color:var(--brand-700)}
.btn-outline:hover{background:var(--brand-100);transform:translateY(-1px)}
.btn-alert{background:var(--alert-600);color:#fff;box-shadow:var(--shadow-1)}
.btn-alert:hover{background:#A83425;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-quiet{background:#fff;color:var(--ink-900);border-color:var(--line)}
.btn-quiet:hover{border-color:var(--brand-500);color:var(--brand-700)}
.btn-block{width:100%}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-tight{padding:44px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-bottom:32px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--radius-pill);
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.eyebrow-accent{background:var(--accent-100);color:#96601B}
.section-title{
  font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.35;
  margin-top:14px;letter-spacing:.01em;
}
.section-desc{margin-top:12px;max-width:660px;color:var(--ink-500);font-size:15px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-700);
  border-bottom:1px solid rgba(18,86,74,.35);padding-bottom:2px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.link-more:hover{color:var(--accent-600);border-bottom-color:var(--accent-600)}

/* ============ 首屏 ============ */
.hero{position:relative;overflow:hidden;background:var(--bg-warm);padding:48px 0 56px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(11,31,27,.09) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.hero-corner{
  position:absolute;top:0;right:0;width:190px;height:132px;
  background:var(--accent-600);opacity:.16;
  border-bottom-left-radius:28px;pointer-events:none;
}
.hero-grid{position:relative;display:grid;gap:40px;align-items:center}
@media(min-width:1024px){
  .hero{padding:64px 0 80px}
  .hero-grid{grid-template-columns:1.06fr .94fr;gap:56px}
}
.hero-title{
  font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.25;letter-spacing:.01em;
}
.hero-title em{font-style:normal;color:var(--brand-700);box-shadow:inset 0 -.32em 0 rgba(217,144,61,.3)}
.hero-sub{margin-top:18px;font-size:16px;color:var(--ink-500);max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line);
}
.stat-num{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{margin-top:6px;font-size:13px;color:var(--ink-500);line-height:1.6}
.hero-note{margin-top:16px;font-size:12px;color:var(--ink-500)}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-img);box-shadow:var(--shadow-2);
  border:1px solid var(--line);
}
.hero-badge{
  position:absolute;top:16px;left:-8px;
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--radius-pill);
  background:var(--accent-600);color:#fff;font-size:13px;font-weight:700;
  box-shadow:var(--shadow-1);
}
@media(min-width:1024px){.hero-badge{left:-18px;top:22px}}

/* ============ 标签横滑条 ============ */
.tag-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.tag-row{
  display:flex;gap:10px;overflow-x:auto;padding:16px 0;
  scrollbar-width:none;
}
.tag-row::-webkit-scrollbar{display:none}
.tag{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--bg-warm);
  font-size:14px;font-weight:600;color:var(--ink-900);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.tag:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-500);transform:translateY(-1px)}
.tag span.dot{width:6px;height:6px;border-radius:50%;background:var(--accent-600)}

/* ============ 优惠阶梯 ============ */
.tier-grid{display:grid;gap:24px}
@media(min-width:900px){.tier-grid{grid-template-columns:repeat(3,1fr)}}
.tier{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px;box-shadow:var(--shadow-1);
  transition:box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.tier:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
@media(min-width:900px){
  .tier:nth-child(1){margin-top:56px}
  .tier:nth-child(2){margin-top:28px}
  .tier:nth-child(3){margin-top:0}
}
.tier-featured{border:2px solid var(--accent-600);background:#FFFDF8}
.tier-flag{
  position:absolute;top:-13px;left:24px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--accent-600);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;
}
.tier-num{
  width:44px;height:44px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);
  font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;
  border:1px solid rgba(18,86,74,.18);
}
.tier-featured .tier-num{background:var(--accent-600);color:#fff;border-color:transparent}
.tier-name{margin-top:18px;font-size:20px;font-weight:700;line-height:1.4}
.tier-cond{margin-top:8px;font-size:13px;color:var(--ink-500);line-height:1.7}
.tier-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.tier-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:var(--ink-900)}
.tick{
  flex:0 0 18px;width:18px;height:18px;margin-top:6px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-700);
  display:grid;place-items:center;font-size:11px;font-weight:800;
}
.tier-featured .tick{background:rgba(217,144,61,.18);color:#96601B}
.tier .btn{margin-top:24px}

/* ============ 套餐对比 ============ */
.plan-wrap{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  padding:8px;overflow:hidden;
}
.plan-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr}
.plan-col{display:flex;flex-direction:column;padding:8px 0}
.plan-col--feature{padding-left:16px}
.plan-col--feature .plan-cell{
  font-size:14.5px;font-weight:600;color:var(--ink-900);
  text-align:left;background:transparent;
}
.plan-col--feature .plan-cell:first-child{color:var(--ink-500);font-weight:700;font-size:13px;letter-spacing:.06em}
.plan-col.is-featured{background:#FFFDF8;border:2px solid var(--accent-600);border-radius:12px;position:relative}
.plan-head{
  min-height:132px;display:flex;flex-direction:column;justify-content:center;
  gap:6px;padding:18px 16px;text-align:center;
}
.plan-name{font-size:18px;font-weight:700}
.plan-price{font-size:15px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums}
.plan-price small{display:block;font-size:12px;font-weight:500;color:var(--ink-500);margin-top:4px}
.plan-cell{
  min-height:54px;display:flex;flex-direction:column;justify-content:center;align-items:center;
  padding:10px 16px;font-size:14.5px;text-align:center;
  border-top:1px solid var(--line);color:var(--ink-900);
}
.plan-col--feature .plan-cell{border-top-color:transparent}
.plan-col--feature .plan-cell:nth-child(n+2){border-top-color:var(--line)}
.cell-yes{color:var(--brand-700);font-weight:700}
.cell-no{color:var(--ink-500)}
.cell-label{display:none;font-size:12.5px;color:var(--ink-500);font-weight:500}
.plan-cta{padding:16px;border-top:1px solid var(--line);display:flex;margin-top:auto}
.plan-flag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  padding:4px 14px;border-radius:var(--radius-pill);
  background:var(--accent-600);color:#fff;font-size:12px;font-weight:700;white-space:nowrap;
}
.plan-scroll-hint{display:none;margin-top:12px;font-size:12.5px;color:var(--ink-500)}
@media(max-width:900px){
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan-col--feature{display:none}
  .plan-col{padding:0}
  .plan-col.is-featured{margin-top:6px}
  .plan-head{min-height:auto;padding:22px 18px}
  .plan-cell{
    flex-direction:row;justify-content:space-between;align-items:center;
    gap:12px;text-align:right;min-height:52px;padding:10px 18px;
  }
  .plan-col .plan-cell:first-of-type{border-top-color:var(--line)}
  .cell-label{display:block}
}

/* ============ 限时入口 ============ */
.limited{
  position:relative;overflow:hidden;
  background:var(--brand-900);color:#fff;
  padding:48px 0;
}
@media(min-width:1024px){.limited{padding:64px 0}}
.limited::before{
  content:"";position:absolute;inset:-40% -20%;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
  pointer-events:none;
}
.limited::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,144,61,.35),transparent 68%);
  pointer-events:none;
}
.limited-grid{position:relative;display:grid;gap:32px;align-items:center}
@media(min-width:1024px){.limited-grid{grid-template-columns:1.05fr .95fr;gap:48px}}
.limited-title{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.4}
.limited-desc{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:520px}
.limited-rules{
  margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(255,255,255,.7);
}
.limited-rules span{
  padding:5px 12px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
}
.countdown{display:flex;gap:12px;flex-wrap:wrap}
.cd-cell{
  min-width:78px;flex:1 1 78px;text-align:center;
  padding:12px 8px;border-radius:12px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);
}
.cd-num{font-size:clamp(22px,2.6vw,28px);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.cd-label{margin-top:6px;font-size:12px;color:rgba(255,255,255,.62);letter-spacing:.08em}
.limited-cta{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.limited-tip{font-size:12.5px;color:rgba(255,255,255,.6)}

/* ============ 资讯卡片 ============ */
.news-grid{display:grid;gap:24px}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.news-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D5D1C4}
.news-cover{display:block;overflow:hidden}
.news-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform .3s var(--ease);
}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.badge{
  align-self:flex-start;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:700;letter-spacing:.03em;
}
.news-title{
  margin-top:12px;font-size:18px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title a{transition:color .18s var(--ease)}
.news-title a:hover{color:var(--brand-700)}
.news-summary{
  margin-top:10px;font-size:14px;color:var(--ink-500);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);font-size:13px;color:var(--ink-500);
}
.news-date{font-variant-numeric:tabular-nums}
.news-more{display:inline-flex;align-items:center;gap:4px;font-weight:600;color:var(--brand-700);transition:color .18s var(--ease),gap .18s var(--ease)}
.news-more:hover{color:var(--accent-600);gap:8px}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--surface);padding:48px 24px;text-align:center;
}
.empty-icon{
  width:48px;height:48px;margin:0 auto 16px;border-radius:12px;
  display:grid;place-items:center;background:var(--brand-100);color:var(--brand-700);
}
.empty-text{font-size:16px;font-weight:600}
.empty-sub{margin-top:6px;font-size:14px;color:var(--ink-500)}
.empty-state .btn{margin-top:20px}

/* ============ FAQ ============ */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.faq-q:hover{background:rgba(227,240,234,.5);color:var(--brand-700)}
.faq-sign{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;
  display:grid;place-items:center;background:var(--brand-100);color:var(--brand-700);
  font-size:16px;font-weight:800;line-height:1;transition:transform .18s var(--ease),background .18s var(--ease);
}
.faq-item.is-open .faq-sign{transform:rotate(180deg);background:var(--accent-600);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{
  padding:0 22px 22px 22px;margin-left:22px;
  border-left:4px solid var(--brand-700);
  background:var(--bg-warm);border-radius:0 10px 10px 0;
  font-size:15px;color:var(--ink-500);line-height:1.9;
  padding-top:16px;
}

/* ============ 咨询表单 ============ */
.contact-grid{display:grid;gap:32px}
@media(min-width:1024px){.contact-grid{grid-template-columns:5fr 7fr;gap:48px;align-items:start}}
.contact-info{
  background:var(--brand-900);color:#fff;border-radius:var(--radius-card);
  padding:32px 28px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
}
.contact-info::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,127,108,.5),transparent 70%);
}
.contact-info .eyebrow{background:rgba(255,255,255,.12);color:#fff}
.contact-title{margin-top:16px;font-size:24px;font-weight:700;line-height:1.4}
.contact-text{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.72)}
.contact-list{margin-top:24px;display:flex;flex-direction:column;gap:16px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px}
.contact-key{color:rgba(255,255,255,.6);flex:0 0 76px}
.contact-val{color:#fff;font-weight:600}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
}
.form-grid{display:grid;gap:18px}
@media(min-width:640px){.form-grid{grid-template-columns:repeat(2,1fr)}}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1/-1}
.form-label{font-size:13px;font-weight:600;color:var(--ink-900);letter-spacing:.02em}
.input,.select,.textarea{
  width:100%;min-height:44px;padding:10px 14px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--ink-900);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.textarea{min-height:112px;resize:vertical;line-height:1.7}
.input::placeholder,.textarea::placeholder{color:#9BA8A3}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--brand-700);
  box-shadow:0 0 0 3px rgba(18,86,74,.16);
}
.form-actions{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.form-note{font-size:12px;color:var(--ink-500);line-height:1.7}
.form-result{
  display:none;margin-top:16px;padding:12px 16px;border-radius:10px;
  background:var(--brand-100);color:var(--brand-700);font-size:14px;font-weight:600;
}
.form-result.is-visible{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none}
.footer-name{font-size:18px;font-weight:800;color:#fff;line-height:1.2}
.footer-tag{font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.5)}
.footer-text{margin-top:16px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px}
.footer-links{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px}
.footer-links a{
  padding:4px 12px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.18);font-size:12.5px;color:rgba(255,255,255,.72);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.footer-links a:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4)}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em}
.footer-nav{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.footer-nav a{font-size:13.5px;color:rgba(255,255,255,.66);transition:color .18s var(--ease),padding-left .18s var(--ease)}
.footer-nav a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}

/* ============ 响应式导航 ============ */
@media(max-width:1023px){
  .main-nav{
    position:fixed;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:var(--shadow-2);padding:12px 16px 20px;
    opacity:0;transform:translateY(-12px);pointer-events:none;
    transition:opacity .18s var(--ease),transform .18s var(--ease);
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav-link{padding:0 14px;height:48px;border-radius:10px;font-size:15.5px}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{box-shadow:inset 4px 0 0 var(--brand-700);border-radius:0 10px 10px 0}
  .nav-toggle{display:flex}
  .nav-actions .btn-sm{display:none}
}
@media(max-width:639px){
  .hero-stats{grid-template-columns:1fr;gap:16px}
  .hero-actions .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start}
  .contact-info{padding:26px 22px}
  .form-card{padding:22px 18px}
  .cd-cell{min-width:64px;flex:1 1 64px}
}

/* roulang page: article */
:root{
  --brand-900:#0B1F1B;
  --brand-700:#12564A;
  --brand-500:#1E7F6C;
  --brand-100:#E3F0EA;
  --accent-600:#D9903D;
  --alert-600:#C6402F;
  --ink-900:#1B2A26;
  --ink-500:#5A6B65;
  --bg-warm:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E2DFD6;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(11,31,27,.06),0 8px 24px -12px rgba(11,31,27,.18);
  --shadow-2:0 2px 6px rgba(11,31,27,.08),0 18px 40px -18px rgba(11,31,27,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-900);
  background:var(--bg-warm);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s cubic-bezier(.2,.7,.3,1),background-color .18s cubic-bezier(.2,.7,.3,1)}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700}
p{margin:0}
ul,ol{margin:0}
table{border-collapse:collapse}
:focus-visible{outline:3px solid rgba(18,86,74,.35);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px;max-width:1140px}}
@media (min-width:1280px){.container{max-width:1200px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,238,.94);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.9);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -16px rgba(11,31,27,.4);
  backdrop-filter:blur(10px);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;position:relative}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:10px;
  background:var(--brand-700);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.brand-name{display:block;font-size:18px;font-weight:800;line-height:1.2;letter-spacing:.4px;color:var(--brand-900)}
.brand-sub{display:block;font-size:12px;line-height:1.5;color:var(--ink-500)}
.main-nav{display:none}
@media (min-width:1024px){.main-nav{display:flex;align-items:center;gap:4px}}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:500;color:var(--ink-500);
  transition:all .18s cubic-bezier(.2,.7,.3,1);
}
.nav-link:hover{background:var(--brand-100);color:var(--brand-700)}
.nav-link.is-active{background:var(--brand-100);color:var(--brand-700)}
.nav-link.is-active::after{
  content:"";position:absolute;left:20%;right:20%;bottom:3px;height:2px;border-radius:2px;background:var(--brand-700);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:4px;
  width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-toggle:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1)}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--brand-700);border-radius:2px}
@media (min-width:1024px){.nav-toggle{display:none}}
@media (max-width:1023px){
  .main-nav{
    position:absolute;left:-20px;right:-20px;top:100%;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-2);
    display:none;flex-direction:column;padding:8px 20px 16px;
  }
  .main-nav.is-open{display:flex}
  .nav-link{min-height:48px;line-height:48px;padding:0 14px;border-radius:10px;display:block}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{border-left:4px solid var(--brand-700)}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:all .18s cubic-bezier(.2,.7,.3,1);
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-100)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ============ 面包屑条 ============ */
.page-strip{background:#fff;border-bottom:1px solid var(--line);padding:16px 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;line-height:1.6;color:var(--ink-500)}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-700)}
.crumb-sep{color:#C9C5B8}
.breadcrumb .current{color:var(--ink-900);max-width:52%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:640px){.breadcrumb .current{max-width:100%}}

/* ============ 文章布局 ============ */
.article-shell{padding:32px 0 64px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:start}
}
.article-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:26px 20px 32px;
}
@media (min-width:768px){.article-main{padding:40px 44px 44px}}

.article-head{padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:26px}
.article-head h1{
  font-size:clamp(26px,3.4vw,38px);line-height:1.3;font-weight:800;letter-spacing:.2px;
  margin:0 0 16px;color:var(--brand-900);overflow-wrap:break-word;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13px;color:var(--ink-500)}
.meta-badge{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;
}
.meta-dot{color:#C9C5B8}

/* ============ 正文排版 ============ */
.article-body{max-width:760px;margin:0 auto;font-size:18px;line-height:2;color:var(--ink-900);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.4vw,26px);line-height:1.45;font-weight:700;
  margin:40px 0 16px;padding-left:16px;color:var(--brand-900);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.22em;width:4px;border-radius:2px;background:var(--brand-700);
}
.article-body h3{font-size:18px;font-weight:600;line-height:1.5;margin:28px 0 12px;color:var(--brand-900)}
.article-body h4{font-size:16px;font-weight:600;margin:22px 0 10px;color:var(--ink-900)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em}
.article-body li{margin-bottom:8px;line-height:1.95}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--bg-warm);
  border-left:4px solid var(--brand-700);border-radius:0 10px 10px 0;color:var(--ink-500);font-size:17px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:24px auto 10px}
.article-body figure{margin:24px 0}
.article-body figcaption,.article-body img + em{
  display:block;text-align:center;font-size:13px;line-height:1.7;color:var(--ink-500);margin-top:6px;
}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent-600)}
.article-body strong{font-weight:700}
.article-body table{
  width:100%;margin:22px 0;font-size:15px;display:block;overflow-x:auto;
  border:1px solid var(--line);border-radius:var(--radius-img);
}
.article-body thead th{
  background:var(--brand-100);color:var(--brand-900);font-weight:600;text-align:left;
  padding:11px 14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body tbody td{padding:11px 14px;border-bottom:1px solid var(--line);color:var(--ink-900)}
.article-body tbody tr:nth-child(even){background:#FAF9F5}
.article-body tbody tr:last-child td{border-bottom:none}
.article-body pre{
  background:var(--brand-900);color:#DCEDE7;border-radius:var(--radius-img);
  padding:18px;overflow-x:auto;font-size:14px;line-height:1.75;margin:22px 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:var(--brand-100);color:var(--brand-700);padding:2px 6px;border-radius:6px;font-size:.9em;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}

/* ============ 空态 ============ */
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;padding:48px 20px;
  border:1px dashed var(--line);border-radius:var(--radius-card);background:#FCFBF7;
}
.empty-state svg{width:48px;height:48px;color:var(--brand-500);margin:0 auto 14px}
.empty-state p{font-size:16px;color:var(--ink-900);margin-bottom:6px;font-weight:600}
.empty-state span{display:block;font-size:14px;color:var(--ink-500);margin-bottom:20px}

/* ============ 标签行 ============ */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  max-width:760px;margin:36px auto 0;padding-top:22px;border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--ink-500)}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;
  transition:all .18s cubic-bezier(.2,.7,.3,1);
}
.tag-pill:hover{background:var(--brand-700);color:#fff}

/* ============ 上下篇 ============ */
.pager{display:grid;grid-template-columns:1fr;gap:14px;max-width:760px;margin:28px auto 0}
@media (min-width:640px){.pager{grid-template-columns:1fr 1fr}}
.pager-card{
  display:block;padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:all .18s cubic-bezier(.2,.7,.3,1);
}
.pager-card:hover{border-color:var(--brand-500);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.pager-next{text-align:right}
.pager-dir{display:block;font-size:13px;color:var(--ink-500);margin-bottom:4px}
.pager-title{
  display:block;font-size:16px;font-weight:600;color:var(--brand-900);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 相关推荐 ============ */
.related{max-width:760px;margin:44px auto 0}
.related-title{
  display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--brand-900);
  margin:0 0 18px;
}
.related-title::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--accent-600)}
.related-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:all .18s cubic-bezier(.2,.7,.3,1);
}
.news-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-100)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-title{
  font-size:16px;font-weight:600;line-height:1.55;color:var(--brand-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;line-height:1.75;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:10px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-500);
}
.news-foot .more{color:var(--brand-700);font-weight:600}
.news-card:hover .news-foot .more{color:var(--accent-600)}

.back-row{display:flex;flex-wrap:wrap;gap:12px;max-width:760px;margin:36px auto 0}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){.article-side{position:sticky;top:96px}}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:20px;
}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--brand-900);margin:0 0 14px;
}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand-700)}
.side-toc{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}
.side-toc a{
  display:block;padding:8px 10px;border-left:3px solid transparent;border-radius:0 8px 8px 0;
  font-size:14px;color:var(--ink-500);
}
.side-toc a:hover{background:var(--bg-warm);color:var(--brand-700)}
.side-toc a.is-current{border-left-color:var(--brand-700);color:var(--brand-700);background:var(--brand-100);font-weight:600}
.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.side-list li{padding-bottom:12px;border-bottom:1px dashed var(--line)}
.side-list li:last-child{padding-bottom:0;border-bottom:none}
.side-list a{font-size:14px;line-height:1.7;color:var(--ink-900);display:block}
.side-list a:hover{color:var(--brand-700)}
.side-list .side-meta{display:block;font-size:12px;color:var(--ink-500);margin-top:4px}
.side-cta{background:linear-gradient(180deg,#fff 0%,#F4F8F6 100%)}
.side-cta p{font-size:14px;line-height:1.85;color:var(--ink-500);margin-bottom:14px}
.side-cta .btn{width:100%}

/* ============ 底部 CTA ============ */
.cta-band{background:var(--bg-warm);border-top:1px solid var(--line);padding:48px 0}
.cta-inner{
  display:flex;flex-direction:column;gap:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:28px 24px;
}
@media (min-width:768px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:32px 36px;gap:32px}
}
.cta-inner h2{font-size:clamp(20px,2.4vw,26px);line-height:1.45;font-weight:700;color:var(--brand-900);margin-bottom:8px}
.cta-inner p{font-size:15px;color:var(--ink-500)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#C9D8D3;padding:56px 0 24px;border-top:1px solid rgba(255,255,255,.12)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#E3F0EA}
.footer-name{display:block;font-size:17px;font-weight:800;color:#fff;line-height:1.3}
.footer-tag{display:block;font-size:12px;color:#8FA9A2}
.footer-text{font-size:14px;line-height:1.9;color:#A8BDB7;margin:14px 0 16px}
.footer-links{display:flex;flex-wrap:wrap;gap:8px}
.footer-links a{
  font-size:13px;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);color:#DCE9E5;
}
.footer-links a:hover{background:rgba(255,255,255,.18);color:#fff}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin:0 0 14px}
.footer-nav{display:flex;flex-direction:column;gap:10px}
.footer-nav a{font-size:14px;color:#A8BDB7}
.footer-nav a:hover{color:#fff}
.footer-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:13px;color:#8FA9A2;
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}
@media (max-width:519px){
  .article-main{padding:22px 16px 26px}
  .article-body{font-size:17px}
  .foot-wrap{padding:0 4px}
  .cta-inner{padding:22px 18px}
}

/* roulang page: category1 */
:root{
    --brand-900:#0B1F1B;
    --brand-700:#12564A;
    --brand-500:#1E7F6C;
    --brand-100:#E3F0EA;
    --accent-600:#D9903D;
    --alert-600:#C6402F;
    --ink-900:#1B2A26;
    --ink-500:#5A6B65;
    --bg-warm:#F6F4EE;
    --surface:#FFFFFF;
    --line:#E2DFD6;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-img:12px;
    --radius-pill:999px;
    --shadow-1:0 1px 2px rgba(11,31,27,.06), 0 8px 24px -12px rgba(11,31,27,.18);
    --shadow-2:0 2px 6px rgba(11,31,27,.08), 0 18px 40px -18px rgba(11,31,27,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{ box-sizing:border-box; }

  html{ scroll-behavior:smooth; }

  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.9;
    color:var(--ink-900);
    background:var(--bg-warm);
    -webkit-font-smoothing:antialiased;
  }

  img{ max-width:100%; display:block; }

  a{ color:inherit; text-decoration:none; }

  p{ margin:0 0 1.1em; }

  h1,h2,h3,h4{ margin:0; font-weight:700; }

  ul,ol{ margin:0; padding:0; list-style:none; }

  button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }

  input,select,textarea{ font:inherit; }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible,
  summary:focus-visible{
    outline:3px solid rgba(18,86,74,.35);
    outline-offset:2px;
    border-radius:6px;
  }

  /* ---------- 容器 ---------- */
  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
  }

  @media (min-width:1024px){
    .container{ padding:0 32px; }
  }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(246,244,238,.92);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    transition:background .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    border-bottom:1px solid transparent;
  }

  .site-header.is-scrolled{
    background:rgba(255,255,255,.9);
    border-bottom:1px solid var(--line);
    box-shadow:0 6px 18px -14px rgba(11,31,27,.4);
  }

  .nav-wrap{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:68px;
  }

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:6px 4px;
    border-radius:var(--radius-pill);
    transition:background .18s var(--ease);
  }

  .brand:hover{ background:var(--brand-100); }

  .brand-mark{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:36px;
    height:36px;
    border-radius:10px;
    background:var(--brand-700);
    color:#fff;
    flex:0 0 auto;
    box-shadow:var(--shadow-1);
  }

  .brand-name{
    display:block;
    font-size:17px;
    font-weight:800;
    letter-spacing:.4px;
    line-height:1.2;
    color:var(--ink-900);
  }

  .brand-sub{
    display:block;
    font-size:11.5px;
    line-height:1.4;
    color:var(--ink-500);
    letter-spacing:.6px;
  }

  .main-nav{
    display:flex;
    align-items:center;
    gap:4px;
  }

  .nav-link{
    position:relative;
    display:inline-block;
    padding:8px 14px;
    font-size:15px;
    font-weight:500;
    color:var(--ink-900);
    border-radius:var(--radius-pill);
    transition:background .18s var(--ease), color .18s var(--ease);
  }

  .nav-link:hover{ background:var(--brand-100); color:var(--brand-700); }

  .nav-link.is-active{ color:var(--brand-700); background:var(--brand-100); font-weight:600; }

  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:20%;
    right:20%;
    bottom:2px;
    height:2px;
    border-radius:2px;
    background:var(--brand-700);
  }

  .nav-actions{
    display:flex;
    align-items:center;
    gap:12px;
  }

  .nav-toggle{
    display:none;
    width:42px;
    height:42px;
    border-radius:var(--radius-btn);
    border:1px solid var(--line);
    background:var(--surface);
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:4px;
    transition:background .18s var(--ease), border-color .18s var(--ease);
  }

  .nav-toggle:hover{ background:var(--brand-100); border-color:var(--brand-500); }

  .nav-toggle span{
    display:block;
    width:18px;
    height:2px;
    border-radius:2px;
    background:var(--brand-700);
    transition:transform .2s var(--ease), opacity .2s var(--ease);
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    font-size:15px;
    font-weight:600;
    line-height:1.2;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    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;
    box-shadow:var(--shadow-1);
  }

  .btn-primary:hover{
    background:var(--brand-500);
    transform:translateY(-1px);
    box-shadow:var(--shadow-2);
  }

  .btn-primary:active{ transform:translateY(0); }

  .btn-ghost{
    background:var(--surface);
    color:var(--brand-700);
    border-color:var(--brand-700);
  }

  .btn-ghost:hover{ background:var(--brand-100); }

  .btn-alert{
    background:var(--alert-600);
    color:#fff;
    box-shadow:var(--shadow-1);
  }

  .btn-alert:hover{ background:#a9331f; transform:translateY(-1px); }

  .btn-sm{ padding:9px 18px; font-size:14px; }

  /* ---------- 通用板块 ---------- */
  .section{ padding:56px 0; }

  @media (min-width:1024px){
    .section{ padding:88px 0; }
  }

  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:28px;
  }

  .section-title{
    font-size:clamp(22px,3vw,32px);
    font-weight:700;
    line-height:1.35;
    letter-spacing:.2px;
  }

  .section-sub{
    margin-top:8px;
    font-size:14px;
    line-height:1.6;
    color:var(--ink-500);
  }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:5px 14px;
    border-radius:var(--radius-pill);
    background:var(--brand-100);
    color:var(--brand-700);
    font-size:13px;
    font-weight:600;
    letter-spacing:.4px;
  }

  .eyebrow-accent{
    background:#FBEEDC;
    color:#8A5A17;
  }

  .divider{
    height:1px;
    background:var(--line);
    border:0;
    margin:0;
  }

  .reveal{
    opacity:0;
    transform:translateY(8px);
    transition:opacity .4s var(--ease), transform .4s var(--ease);
  }

  .reveal.is-visible{ opacity:1; transform:none; }

  /* ---------- 分类 Hero ---------- */
  .cat-hero{
    position:relative;
    overflow:hidden;
    background:
      radial-gradient(circle at 1px 1px, rgba(18,86,74,.10) 1px, transparent 0) 0 0/22px 22px,
      linear-gradient(180deg,#EFF5F1 0%, var(--bg-warm) 100%);
    border-bottom:1px solid var(--line);
    padding:40px 0 56px;
  }

  .cat-hero::after{
    content:"";
    position:absolute;
    top:0;
    right:0;
    width:120px;
    height:8px;
    background:var(--accent-600);
    border-radius:0 0 0 8px;
  }

  .breadcrumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    font-size:13px;
    color:var(--ink-500);
    margin-bottom:20px;
  }

  .breadcrumb a{ color:var(--ink-500); transition:color .18s var(--ease); }
  .breadcrumb a:hover{ color:var(--brand-700); }
  .breadcrumb .current{ color:var(--ink-900); font-weight:600; }

  .cat-hero-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:center;
  }

  @media (min-width:1024px){
    .cat-hero-grid{ grid-template-columns:1.15fr .85fr; gap:48px; }
  }

  .cat-hero h1{
    font-size:clamp(28px,4.2vw,44px);
    font-weight:800;
    line-height:1.25;
    letter-spacing:.3px;
    margin:16px 0 14px;
  }

  .cat-hero .lead{
    font-size:17px;
    font-weight:600;
    line-height:1.7;
    color:var(--brand-700);
    margin-bottom:14px;
  }

  .cat-hero .desc{
    font-size:15.5px;
    line-height:1.95;
    color:var(--ink-500);
    max-width:56ch;
    margin-bottom:24px;
  }

  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
  }

  .hero-figure{
    position:relative;
    border-radius:var(--radius-img);
    overflow:hidden;
    box-shadow:var(--shadow-2);
    border:1px solid rgba(255,255,255,.6);
    margin:0;
  }

  .hero-figure img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    transition:transform .4s var(--ease);
  }

  .hero-figure:hover img{ transform:scale(1.03); }

  .hero-badge{
    position:absolute;
    left:14px;
    bottom:14px;
    padding:6px 14px;
    border-radius:var(--radius-pill);
    background:var(--accent-600);
    color:#fff;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.3px;
    box-shadow:0 8px 20px -10px rgba(11,31,27,.5);
  }

  .stat-row{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
    margin-top:36px;
    padding-top:24px;
    border-top:1px solid var(--line);
  }

  @media (min-width:640px){
    .stat-row{ grid-template-columns:repeat(3,1fr); gap:24px; }
  }

  .stat-item .stat-num{
    font-size:26px;
    font-weight:800;
    line-height:1.3;
    color:var(--brand-700);
    font-variant-numeric:tabular-nums;
  }

  .stat-item .stat-label{
    font-size:13.5px;
    color:var(--ink-500);
    line-height:1.6;
    margin-top:4px;
  }

  /* ---------- 入口分区卡片 ---------- */
  .entry-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
  }

  @media (min-width:640px){
    .entry-grid{ grid-template-columns:repeat(2,1fr); gap:24px; }
  }

  @media (min-width:1024px){
    .entry-grid{ grid-template-columns:repeat(3,1fr); }
    .entry-card.is-wide{ grid-column:span 2; }
  }

  .entry-card{
    display:flex;
    flex-direction:column;
    gap:12px;
    padding:24px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    transition:box-shadow .18s var(--ease), transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
  }

  .entry-card:hover{
    transform:translateY(-2px);
    box-shadow:var(--shadow-2);
    border-color:var(--brand-500);
  }

  .entry-card.is-wide{
    background:linear-gradient(135deg,#FFFFFF 0%, #F1F7F4 100%);
  }

  .entry-card.is-tall{ padding-bottom:32px; }

  .entry-head{
    display:flex;
    align-items:center;
    gap:12px;
  }

  .stamp{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:40px;
    height:40px;
    flex:0 0 auto;
    border-radius:10px;
    background:var(--accent-600);
    color:#fff;
    font-size:15px;
    font-weight:800;
    font-variant-numeric:tabular-nums;
    box-shadow:0 6px 16px -10px rgba(217,144,61,.9);
  }

  .entry-card h3{
    font-size:18px;
    font-weight:600;
    line-height:1.5;
  }

  .entry-card p{
    margin:0;
    font-size:14.5px;
    line-height:1.85;
    color:var(--ink-500);
  }

  .entry-link{
    margin-top:auto;
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--brand-700);
    transition:color .18s var(--ease), gap .18s var(--ease);
  }

  .entry-link:hover{ color:var(--accent-600); gap:10px; }

  /* ---------- 整理步骤 ---------- */
  .steps{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
    counter-reset:step;
  }

  @media (min-width:768px){
    .steps{ grid-template-columns:repeat(2,1fr); gap:24px; }
  }

  @media (min-width:1024px){
    .steps{ grid-template-columns:repeat(4,1fr); }
  }

  .step{
    position:relative;
    padding:24px 20px 24px 22px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    transition:box-shadow .18s var(--ease), transform .18s var(--ease);
  }

  .step:hover{ transform:translateY(-2px); box-shadow:var(--shadow-2); }

  .step::before{
    content:"";
    position:absolute;
    top:44px;
    right:-24px;
    width:24px;
    border-top:1px dashed var(--line);
    display:none;
  }

  @media (min-width:1024px){
    .step:not(:last-child)::before{ display:block; }
  }

  .step-num{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:34px;
    height:34px;
    border-radius:8px;
    background:var(--brand-700);
    color:#fff;
    font-weight:800;
    font-size:15px;
    font-variant-numeric:tabular-nums;
    margin-bottom:14px;
  }

  .step h3{
    font-size:17px;
    font-weight:600;
    margin-bottom:8px;
  }

  .step p{
    margin:0;
    font-size:14.5px;
    line-height:1.85;
    color:var(--ink-500);
  }

  /* ---------- 图文分栏 ---------- */
  .split{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:center;
  }

  @media (min-width:1024px){
    .split{ grid-template-columns:1fr 1fr; gap:56px; }
  }

  .split-figure{
    margin:0;
    border-radius:var(--radius-img);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
    background:var(--surface);
  }

  .split-figure img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
  }

  .check-list li{
    position:relative;
    padding-left:30px;
    margin-bottom:16px;
    font-size:15.5px;
    line-height:1.85;
    color:var(--ink-500);
  }

  .check-list li:last-child{ margin-bottom:0; }

  .check-list li strong{
    display:block;
    color:var(--ink-900);
    font-weight:600;
    margin-bottom:2px;
  }

  .check-list li::before{
    content:"";
    position:absolute;
    left:0;
    top:9px;
    width:16px;
    height:16px;
    border-radius:4px;
    background:var(--brand-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2312564A' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat;
  }

  /* ---------- 适用场景 ---------- */
  .scene-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:0;
    border-top:1px solid var(--line);
  }

  @media (min-width:768px){
    .scene-grid{ grid-template-columns:repeat(3,1fr); }
  }

  .scene{
    padding:28px 0 8px;
    border-bottom:1px solid var(--line);
  }

  @media (min-width:768px){
    .scene{
      padding:28px 24px 8px 0;
      border-bottom:0;
      border-right:1px solid var(--line);
    }
    .scene:last-child{ border-right:0; padding-right:0; }
  }

  .scene .scene-tag{
    display:inline-block;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.6px;
    color:var(--accent-600);
    margin-bottom:10px;
  }

  .scene h3{
    font-size:18px;
    font-weight:600;
    margin-bottom:8px;
  }

  .scene p{
    margin:0;
    font-size:14.5px;
    line-height:1.85;
    color:var(--ink-500);
  }

  /* ---------- FAQ ---------- */
  .faq-list{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
  }

  .faq-item + .faq-item{ border-top:1px solid var(--line); }

  .faq-question{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 24px;
    text-align:left;
    font-size:16px;
    font-weight:600;
    color:var(--ink-900);
    transition:background .18s var(--ease), color .18s var(--ease);
  }

  .faq-question:hover{ background:var(--brand-100); color:var(--brand-700); }

  .faq-icon{
    position:relative;
    width:20px;
    height:20px;
    flex:0 0 auto;
  }

  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    background:var(--brand-700);
    border-radius:2px;
    transition:transform .25s var(--ease), opacity .25s var(--ease);
  }

  .faq-icon::before{ top:9px; left:2px; width:16px; height:2px; }
  .faq-icon::after{ left:9px; top:2px; width:2px; height:16px; }

  .faq-item.is-open .faq-icon::after{ transform:rotate(90deg); opacity:0; }

  .faq-answer{
    display:none;
    padding:0 24px 22px 24px;
    margin-left:0;
    font-size:15px;
    line-height:1.9;
    color:var(--ink-500);
    background:#FAF8F3;
    border-left:4px solid var(--brand-700);
  }

  .faq-item.is-open .faq-answer{ display:block; }

  /* ---------- CTA 横条 ---------- */
  .cta-band{
    background:linear-gradient(180deg,#FFFFFF 0%, #F1F7F4 100%);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:32px 24px;
    display:flex;
    flex-direction:column;
    gap:20px;
    align-items:flex-start;
    box-shadow:var(--shadow-1);
  }

  @media (min-width:768px){
    .cta-band{
      flex-direction:row;
      align-items:center;
      justify-content:space-between;
      padding:36px 40px;
      gap:32px;
    }
  }

  .cta-band h2{
    font-size:clamp(20px,2.4vw,26px);
    font-weight:700;
    line-height:1.4;
    margin-bottom:8px;
  }

  .cta-band p{
    margin:0;
    font-size:14.5px;
    line-height:1.8;
    color:var(--ink-500);
    max-width:56ch;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:56px;
    background:var(--brand-900);
    color:#D7E3DE;
    font-size:14px;
  }

  @media (min-width:1024px){
    .site-footer{ margin-top:88px; }
  }

  .site-footer .container{ padding-top:56px; padding-bottom:24px; }

  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:36px;
    padding-bottom:36px;
    border-bottom:1px solid rgba(255,255,255,.14);
  }

  @media (min-width:768px){
    .footer-grid{ grid-template-columns:repeat(2,1fr); gap:32px; }
  }

  @media (min-width:1024px){
    .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:40px; }
  }

  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:16px;
  }

  .footer-brand .brand-mark{
    background:var(--brand-500);
    box-shadow:none;
  }

  .footer-name{
    display:block;
    font-size:16px;
    font-weight:800;
    color:#fff;
    line-height:1.3;
  }

  .footer-tag{
    display:block;
    font-size:12px;
    color:rgba(215,227,222,.7);
    line-height:1.4;
  }

  .footer-text{
    font-size:13.5px;
    line-height:1.9;
    color:rgba(215,227,222,.78);
    max-width:40ch;
    margin-bottom:16px;
  }

  .footer-links{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }

  .footer-links a{
    display:inline-block;
    padding:5px 12px;
    border-radius:var(--radius-pill);
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.14);
    font-size:12.5px;
    color:#E3F0EA;
    transition:background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
  }

  .footer-links a:hover{
    background:var(--brand-500);
    border-color:var(--brand-500);
    color:#fff;
  }

  .footer-title{
    font-size:15px;
    font-weight:700;
    color:#fff;
    margin-bottom:16px;
  }

  .footer-nav{
    display:flex;
    flex-direction:column;
    gap:10px;
  }

  .footer-nav a{
    font-size:13.5px;
    color:rgba(215,227,222,.78);
    transition:color .18s var(--ease), transform .18s var(--ease);
    display:inline-block;
  }

  .footer-nav a:hover{ color:#fff; transform:translateX(2px); }

  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:10px;
    padding-top:20px;
    font-size:13px;
    color:rgba(215,227,222,.62);
  }

  /* ---------- 移动端导航 ---------- */
  @media (max-width:1023px){
    .main-nav{
      position:fixed;
      top:68px;
      left:0;
      right:0;
      display:none;
      flex-direction:column;
      align-items:stretch;
      gap:0;
      padding:12px 20px 20px;
      background:var(--surface);
      border-bottom:1px solid var(--line);
      box-shadow:var(--shadow-2);
      max-height:calc(100vh - 68px);
      overflow-y:auto;
    }

    .main-nav.is-open{ display:flex; }

    .nav-link{
      padding:14px 12px;
      border-radius:8px;
      border-left:4px solid transparent;
      font-size:15.5px;
    }

    .nav-link.is-active{
      border-left-color:var(--brand-700);
      border-radius:0 8px 8px 0;
    }

    .nav-link.is-active::after{ display:none; }

    .nav-toggle{ display:flex; }

    .nav-actions .btn-primary{ display:none; }
  }

  @media (max-width:520px){
    .cat-hero h1{ font-size:27px; }
    .entry-card{ padding:20px; }
    .faq-question{ padding:18px 18px; font-size:15.5px; }
    .faq-answer{ padding:0 18px 20px 18px; }
  }

  @media (prefers-reduced-motion:reduce){
    *{ animation:none !important; transition:none !important; }
    html{ scroll-behavior:auto; }
    .reveal{ opacity:1; transform:none; }
  }

/* roulang page: category2 */
:root{
    --brand-900:#0B1F1B;
    --brand-700:#12564A;
    --brand-500:#1E7F6C;
    --brand-100:#E3F0EA;
    --accent-600:#D9903D;
    --alert-600:#C6402F;
    --ink-900:#1B2A26;
    --ink-500:#5A6B65;
    --bg-warm:#F6F4EE;
    --surface:#FFFFFF;
    --line:#E2DFD6;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-img:12px;
    --radius-pill:999px;
    --shadow-1:0 1px 2px rgba(11,31,27,.06), 0 8px 24px -12px rgba(11,31,27,.18);
    --shadow-2:0 2px 6px rgba(11,31,27,.08), 0 18px 40px -18px rgba(11,31,27,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.9;
    color:var(--ink-900);
    background:var(--bg-warm);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:var(--brand-700);text-decoration:none;transition:color .18s var(--ease)}
  a:hover{color:var(--accent-600)}
  button{font:inherit;cursor:pointer}
  :focus-visible{outline:3px solid rgba(18,86,74,.35);outline-offset:2px}

  .num{font-variant-numeric:tabular-nums}
  .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}

  /* 容器 */
  body .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:1024px){
    body .container{max-width:1200px;padding:0 32px}
  }

  /* 顶部导航 */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,244,238,.88);
    border-bottom:1px solid transparent;
    transition:background .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.9);
    border-bottom-color:var(--line);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    box-shadow:0 10px 24px -20px rgba(11,31,27,.6);
  }
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
  .brand{display:flex;align-items:center;gap:10px;color:var(--ink-900);flex:none}
  .brand:hover{color:var(--ink-900)}
  .brand-mark{
    width:38px;height:38px;border-radius:11px;flex:none;
    background:var(--brand-700);color:#fff;
    display:inline-flex;align-items:center;justify-content:center;
    box-shadow:var(--shadow-1);
  }
  .brand-name{display:block;font-size:17px;font-weight:800;line-height:1.2;letter-spacing:.01em}
  .brand-sub{display:block;font-size:12px;color:var(--ink-500);line-height:1.5}

  .main-nav{display:flex;align-items:center;gap:6px}
  .nav-link{
    position:relative;display:inline-block;
    font-size:15px;font-weight:500;color:var(--ink-900);
    padding:8px 12px;border-radius:var(--radius-pill);
    transition:background .18s var(--ease),color .18s var(--ease);
  }
  .nav-link:hover{background:var(--brand-100);color:var(--brand-700)}
  .nav-link.is-active{color:var(--brand-700);background:var(--brand-100)}
  .nav-link.is-active::after{
    content:"";position:absolute;left:22%;right:22%;bottom:2px;height:2px;
    border-radius:2px;background:var(--brand-700);
  }
  .nav-actions{display:flex;align-items:center;gap:12px;flex:none}
  .nav-toggle{
    display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);
    background:var(--surface);flex-direction:column;align-items:center;justify-content:center;gap:4px;
    transition:background .18s var(--ease),border-color .18s var(--ease);
  }
  .nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-100)}
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);transition:transform .18s var(--ease),opacity .18s var(--ease)}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .nav-toggle.is-open span:nth-child(2){opacity:0}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:var(--radius-btn);border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1.4;text-align:center;
    transition:background .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;box-shadow:var(--shadow-1)}
  .btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:#fff;border-color:var(--brand-700);color:var(--brand-700)}
  .btn-ghost:hover{background:var(--brand-100);color:var(--brand-700)}
  .btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
  .btn-block{width:100%}

  /* 通用板块 */
  .section{padding:56px 0}
  @media (min-width:1024px){ .section{padding:88px 0} }
  .section--tight{padding:40px 0}
  @media (min-width:1024px){ .section--tight{padding:56px 0} }

  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
  .section-kicker{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand-700);
    background:var(--brand-100);border-radius:var(--radius-pill);padding:5px 14px;margin:0 0 12px;
  }
  .section-title{
    font-size:clamp(22px,3vw,32px);line-height:1.35;font-weight:700;
    color:var(--ink-900);margin:0;letter-spacing:-.01em;
  }
  .section-desc{font-size:15px;color:var(--ink-500);margin:12px 0 0;max-width:72ch}
  .link-more{font-size:14px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}
  .link-more:hover{color:var(--accent-600)}

  /* 深色 Hero */
  .page-hero{
    position:relative;overflow:hidden;color:#fff;
    background:
      linear-gradient(180deg,rgba(11,31,27,.94),rgba(11,31,27,.97)),
      url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    padding:48px 0 56px;
  }
  @media (min-width:1024px){ .page-hero{padding:64px 0 80px} }
  .page-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 1px,transparent 1px 12px);
  }
  .page-hero > .container{position:relative;z-index:1}

  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin:0 0 20px;padding:0;list-style:none}
  .crumbs a{color:var(--ink-500)}
  .crumbs a:hover{color:var(--brand-700)}
  .crumbs .sep{color:#BEB8A9}
  .crumbs .current{color:var(--ink-900);font-weight:600}
  .page-hero .crumbs,
  .page-hero .crumbs a,
  .page-hero .crumbs .sep{color:rgba(255,255,255,.66)}
  .page-hero .crumbs a:hover{color:#fff}
  .page-hero .crumbs .current{color:#fff}

  .hero-grid{display:grid;gap:32px;align-items:center}
  @media (min-width:1024px){ .hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px} }

  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    background:rgba(217,144,61,.16);border:1px solid rgba(217,144,61,.5);
    color:#F0C286;font-size:13px;font-weight:600;
    border-radius:var(--radius-pill);padding:5px 14px;margin:0 0 18px;
  }
  .hero-title{
    font-size:clamp(28px,4.2vw,44px);line-height:1.25;font-weight:800;
    letter-spacing:-.015em;color:#fff;margin:0 0 18px;
  }
  .hero-lead{font-size:17px;line-height:1.9;color:rgba(255,255,255,.78);margin:0 0 26px;max-width:56ch}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
  .page-hero .btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
  .page-hero .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

  .hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;border-top:1px solid rgba(255,255,255,.16);padding-top:22px}
  .hero-stat-value{font-size:clamp(20px,2.4vw,26px);font-weight:800;color:#fff;line-height:1.3;font-variant-numeric:tabular-nums}
  .hero-stat-label{font-size:13px;color:rgba(255,255,255,.6);margin:4px 0 0}
  .hero-note{font-size:12px;color:rgba(255,255,255,.5);margin:20px 0 0}

  .hero-media{position:relative;border-radius:var(--radius-img);overflow:hidden;box-shadow:0 30px 60px -30px rgba(0,0,0,.75);aspect-ratio:16/10}
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .hero-media .hero-tag{
    position:absolute;left:14px;top:14px;
    background:var(--accent-600);color:#fff;font-size:12px;font-weight:700;
    border-radius:var(--radius-pill);padding:5px 12px;
  }

  /* 数据卡 / 面板 */
  .panel{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px;box-shadow:var(--shadow-1);
    transition:box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
    display:flex;flex-direction:column;height:100%;
  }
  .panel:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D6D2C6}
  .panel-index{
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:9px;margin:0 0 14px;
    background:var(--brand-100);color:var(--brand-700);
    font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  }
  .panel-title{font-size:18px;font-weight:700;line-height:1.5;margin:0 0 8px;color:var(--ink-900)}
  .panel-text{font-size:14.5px;line-height:1.85;color:var(--ink-500);margin:0}
  .panel-list{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
  .panel-list li{position:relative;padding-left:22px;font-size:14.5px;line-height:1.8;color:var(--ink-900)}
  .panel-list li::before{
    content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:2px;
    background:var(--brand-500);
  }

  /* 流程时间轴 */
  .flow{display:grid;gap:16px;margin:0;padding:0;list-style:none;counter-reset:flow}
  @media (min-width:900px){ .flow{grid-template-columns:repeat(4,minmax(0,1fr));gap:0} }
  .flow-item{position:relative;padding:0 0 0 0}
  @media (min-width:900px){
    .flow-item{padding-right:24px}
    .flow-item:not(:last-child)::after{
      content:"";position:absolute;top:22px;right:4px;width:calc(100% - 56px);left:52px;
      border-top:1px dashed #CFC9B9;
    }
  }
  .flow-num{
    width:38px;height:38px;border-radius:9px;background:var(--accent-600);color:#fff;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:14px;
    position:relative;z-index:1;
  }
  .flow-title{font-size:17px;font-weight:700;margin:0 0 6px;color:var(--ink-900)}
  .flow-text{font-size:14.5px;line-height:1.85;color:var(--ink-500);margin:0;max-width:34ch}

  /* 核对清单 */
  .check-grid{display:grid;gap:16px}
  @media (min-width:768px){ .check-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  .check-item{
    display:flex;gap:14px;align-items:flex-start;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:18px 20px;box-shadow:var(--shadow-1);
    transition:box-shadow .18s var(--ease),transform .18s var(--ease);
  }
  .check-item:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
  .check-box{
    flex:none;width:22px;height:22px;border-radius:6px;margin-top:4px;
    border:2px solid var(--brand-700);position:relative;background:#fff;
  }
  .check-box::after{
    content:"";position:absolute;left:5px;top:1px;width:7px;height:12px;
    border-right:2.5px solid var(--brand-700);border-bottom:2.5px solid var(--brand-700);
    transform:rotate(40deg);
  }
  .check-title{font-size:16px;font-weight:600;margin:0 0 4px;color:var(--ink-900)}
  .check-text{font-size:14px;line-height:1.8;color:var(--ink-500);margin:0}

  /* 左右分栏 */
  .layout-2col{display:grid;gap:28px;align-items:start}
  @media (min-width:1024px){ .layout-2col{grid-template-columns:240px minmax(0,1fr);gap:32px} }

  .side-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px;box-shadow:var(--shadow-1);
  }
  @media (min-width:1024px){ .side-card{position:sticky;top:96px} }
  .side-title{font-size:15px;font-weight:700;margin:0 0 4px;color:var(--ink-900)}
  .side-sub{font-size:13px;color:var(--ink-500);margin:0 0 14px}
  .side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
  .side-list a{
    display:block;padding:10px 12px;font-size:14.5px;color:var(--ink-900);
    border-left:3px solid transparent;border-radius:0 8px 8px 0;
    transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  }
  .side-list a:hover{background:var(--brand-100);color:var(--brand-700)}
  .side-list .is-active a{
    background:var(--brand-100);color:var(--brand-700);font-weight:600;
    border-left-color:var(--brand-700);
  }

  /* 横排列表项 */
  .list-stack{display:flex;flex-direction:column;gap:16px}
  .list-row{
    display:flex;gap:20px;align-items:stretch;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:16px;box-shadow:var(--shadow-1);
    transition:background .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
  }
  .list-row:hover{
    background:rgba(227,240,234,.55);
    box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D6D2C6;
  }
  .list-thumb{
    flex:0 0 30%;max-width:230px;border-radius:var(--radius-img);overflow:hidden;
    aspect-ratio:16/9;background:var(--brand-100);
  }
  .list-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .18s var(--ease)}
  .list-row:hover .list-thumb img{transform:scale(1.03)}
  .list-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}
  .tag{
    display:inline-flex;align-items:center;
    background:var(--brand-100);color:var(--brand-700);
    font-size:12.5px;font-weight:600;border-radius:var(--radius-pill);
    padding:3px 12px;width:fit-content;
  }
  .list-title{font-size:18px;font-weight:600;line-height:1.5;margin:0;color:var(--ink-900)}
  .list-title a{color:var(--ink-900)}
  .list-title a:hover{color:var(--brand-700)}
  .list-excerpt{font-size:14px;line-height:1.8;color:var(--ink-500);margin:0}
  .list-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--ink-500);margin-top:auto;padding-top:4px}
  .list-arrow{
    flex:none;display:flex;align-items:center;color:var(--brand-700);
    padding-left:8px;transition:transform .18s var(--ease);
  }
  .list-row:hover .list-arrow{transform:translateX(2px)}
  @media (max-width:767px){
    .list-row{flex-direction:column;gap:14px}
    .list-thumb{flex:none;max-width:none;width:100%}
    .list-arrow{display:none}
  }

  /* 分页 */
  .pager{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:28px}
  .page-btn{
    min-width:42px;height:42px;padding:0 12px;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:10px;background:#fff;
    font-size:14px;font-weight:600;color:var(--ink-900);
    font-variant-numeric:tabular-nums;
    transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  }
  .page-btn:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-100)}
  .page-btn.is-current{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
  .page-btn.is-current:hover{background:var(--brand-700);color:#fff}

  /* FAQ */
  .faq-list{border-top:1px solid var(--line);margin-top:8px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:transparent;border:0;padding:20px 4px;text-align:left;
    font-size:16px;font-weight:600;color:var(--ink-900);
    transition:color .18s var(--ease);
  }
  .faq-q:hover{color:var(--brand-700)}
  .faq-icon{position:relative;flex:none;width:18px;height:18px;transition:transform .18s var(--ease)}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-700);border-radius:2px}
  .faq-icon::before{left:0;right:0;top:8px;height:2px}
  .faq-icon::after{top:0;bottom:0;left:8px;width:2px;transition:transform .18s var(--ease)}
  .faq-item.is-open .faq-icon{transform:rotate(180deg)}
  .faq-item.is-open .faq-icon::after{transform:scaleY(0)}
  .faq-a{
    display:none;background:var(--bg-warm);border-left:4px solid var(--brand-700);
    border-radius:0 10px 10px 0;padding:16px 20px;margin:0 0 20px;
    font-size:15px;line-height:1.9;color:var(--ink-500);
  }
  .faq-a p{margin:0}
  .faq-item.is-open .faq-a{display:block}

  /* 订阅横条 */
  .subscribe-bar{
    background:var(--brand-100);border:1px solid #D3E4DC;border-radius:var(--radius-card);
    padding:28px;display:grid;gap:20px;align-items:center;
  }
  @media (min-width:900px){ .subscribe-bar{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;padding:32px 36px} }
  .subscribe-title{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;margin:0 0 8px;color:var(--ink-900)}
  .subscribe-text{font-size:14.5px;line-height:1.8;color:var(--ink-500);margin:0}
  .subscribe-form{display:flex;flex-wrap:wrap;gap:12px}
  .field{
    flex:1 1 220px;min-width:0;height:46px;padding:0 16px;
    border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;
    font-size:15px;color:var(--ink-900);
    transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  }
  .field::placeholder{color:#9AA69F}
  .field:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(18,86,74,.16)}
  .form-hint{font-size:12.5px;color:var(--ink-500);margin:10px 0 0;flex:1 1 100%}
  .form-msg{font-size:13px;color:var(--brand-700);font-weight:600;margin:6px 0 0;flex:1 1 100%}

  /* 页脚 */
  .site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:56px;padding:56px 0 28px}
  @media (min-width:1024px){ .site-footer{padding:72px 0 28px} }
  .footer-grid{display:grid;gap:32px;border-top:1px solid rgba(255,255,255,.12);padding-top:40px}
  @media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px} }
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff;box-shadow:none}
  .footer-name{display:block;font-size:17px;font-weight:800;color:#fff;line-height:1.3}
  .footer-tag{display:block;font-size:12px;color:rgba(255,255,255,.55);line-height:1.5}
  .footer-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:0 0 16px;max-width:38ch}
  .footer-links{display:flex;flex-wrap:wrap;gap:10px}
  .footer-links a{
    font-size:13px;color:rgba(255,255,255,.75);
    border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-pill);padding:5px 12px;
    transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  }
  .footer-links a:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4)}
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin:0 0 14px}
  .footer-nav{display:flex;flex-direction:column;gap:10px}
  .footer-nav a{font-size:14px;color:rgba(255,255,255,.66)}
  .footer-nav a:hover{color:#fff}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;
    font-size:13px;color:rgba(255,255,255,.5);
  }

  /* 动画 */
  .reveal{opacity:0;transform:translateY(8px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
  .reveal.is-in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    .reveal{opacity:1;transform:none;transition:none}
    *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  }

  /* 移动端导航 */
  @media (max-width:1023px){
    .nav-toggle{display:flex}
    .main-nav{
      position:fixed;left:0;right:0;top:72px;
      flex-direction:column;align-items:stretch;gap:0;
      background:var(--surface);border-bottom:1px solid var(--line);
      box-shadow:var(--shadow-2);padding:8px 20px 20px;
      transform:translateY(-140%);
      transition:transform .24s var(--ease);
      max-height:calc(100vh - 72px);overflow-y:auto;
    }
    .main-nav.is-open{transform:translateY(0)}
    .nav-link{
      height:48px;display:flex;align-items:center;
      border-radius:0;border-left:4px solid transparent;padding:0 12px;
      font-size:15px;border-bottom:1px solid var(--line);
    }
    .nav-link.is-active{border-left-color:var(--brand-700);border-radius:0;background:var(--brand-100)}
    .nav-link.is-active::after{display:none}
    .nav-actions .btn-sm{display:none}
  }