/* roulang page: index */
:root{
  --brand-900:#062A23; --brand-700:#0C4A3C; --brand-500:#127D62; --brand-100:#DDEDE6;
  --accent:#E85A19; --accent-600:#C94A10; --accent-100:#FDE8DC; --lime:#B8D94A;
  --bg:#F7F5EF; --surface:#FFFFFF; --surface-2:#EFEDE4; --border:#E2DFD4;
  --ink:#0F1B17; --ink-2:#2C3A35; --muted:#5D6B65;
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:22px;
  --sh-1:0 1px 2px rgba(6,42,35,.06), 0 8px 24px -12px rgba(6,42,35,.16);
  --sh-2:0 2px 4px rgba(6,42,35,.08), 0 18px 40px -16px rgba(6,42,35,.22);
  --sh-3:0 4px 8px rgba(6,42,35,.08), 0 28px 60px -24px rgba(6,42,35,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 28px;}}
@media (min-width:1024px){.container{padding:0 40px;}}

/* 顶部公告条 */
.topbar{background:var(--brand-900);color:#CFE0D8;font-size:13px;line-height:1.5;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0;}
.topbar-inner a{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.topbar-inner a:hover{color:var(--lime);}
@media (max-width:767px){.topbar{display:none;}}

/* Header / 卡片化导航面板 */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0;background:linear-gradient(180deg,rgba(247,245,239,.92) 0%,rgba(247,245,239,.62) 70%,rgba(247,245,239,0) 100%);}
.nav-card{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:10px 14px;transition:box-shadow 200ms var(--ease);
}
.site-header.is-stuck .nav-card{box-shadow:var(--sh-3);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-700) 0%,var(--brand-500) 60%,var(--lime) 100%);
  position:relative;
}
.brand-mark::after{content:"";position:absolute;inset:9px 12px;background:var(--surface);border-radius:2px;opacity:.92;}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand-700);}
.nav-links{display:none;align-items:center;gap:8px;margin-left:8px;}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 14px;border-radius:10px;
  background:var(--surface-2);color:var(--ink-2);font-size:14px;font-weight:500;border:1px solid transparent;
  transition:background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
  position:relative;white-space:nowrap;
}
.nav-item:hover{background:#fff;border-color:var(--brand-700);color:var(--brand-700);}
.nav-item.is-active{background:var(--brand-100);color:var(--brand-700);font-weight:700;border-color:rgba(12,74,60,.18);}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--brand-700);}
.nav-dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.55;}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface-2);cursor:pointer;transition:background 200ms var(--ease);
}
.nav-toggle:hover{background:#fff;border-color:var(--brand-700);}
.nav-toggle svg{width:20px;height:20px;stroke:var(--brand-700);stroke-width:1.75;fill:none;stroke-linecap:round;}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .nav-toggle{display:none;}
}
.mobile-drawer{display:none;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:16px;margin-top:10px;}
.mobile-drawer.is-open{display:block;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px;}
.drawer-item{
  display:flex;align-items:center;gap:8px;padding:12px;border-radius:10px;background:var(--surface-2);
  font-size:14px;font-weight:600;color:var(--ink-2);border:1px solid transparent;
}
.drawer-item:hover{background:#fff;border-color:var(--brand-700);color:var(--brand-700);}
.drawer-item.is-active{background:var(--brand-100);color:var(--brand-700);}
@media (min-width:1024px){.mobile-drawer{display:none !important;}}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);padding:12px 24px;font-size:15px;font-weight:600;cursor:pointer;
  border:1.5px solid transparent;transition:background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease),transform 200ms var(--ease);
  text-align:center;
}
.btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform 200ms var(--ease);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--accent-600);box-shadow:var(--sh-2);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700);}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand-900);}
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-on-dark:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.75);}
.btn-on-dark:hover svg{transform:translateX(4px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
@media (max-width:639px){
  .btn-group{display:flex;flex-direction:column;gap:10px;width:100%;}
  .btn-group .btn{width:100%;}
}

/* 文字链 */
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;font-size:14px;}
.text-link svg{width:16px;height:16px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform 200ms var(--ease);}
.text-link:hover{text-decoration:underline;text-underline-offset:4px;}
.text-link:hover svg{transform:translateX(4px);}

/* 徽章 / 标签 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1.5;letter-spacing:.04em;padding:5px 11px;border-radius:999px;font-weight:600;}
.badge-brand{background:var(--brand-100);color:var(--brand-700);}
.badge-accent{background:var(--accent);color:#fff;}
.badge-line{background:transparent;color:var(--brand-700);border:1px solid rgba(12,74,60,.28);}
.badge-on-dark{background:rgba(255,255,255,.12);color:#EAF3EE;border:1px solid rgba(255,255,255,.22);}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--border);font-size:13px;color:var(--ink-2);transition:all 200ms var(--ease);}
.tag:hover{border-color:var(--brand-700);color:var(--brand-700);}
.tag.is-active{background:var(--brand-700);color:#fff;border-color:var(--brand-700);}

/* Hero */
.hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background-image:linear-gradient(100deg,rgba(6,42,35,.95) 0%,rgba(6,42,35,.82) 48%,rgba(6,42,35,.58) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
}
.hero-inner{display:grid;grid-template-columns:1fr;gap:36px;padding:44px 24px 48px;}
.hero h1{color:#fff;font-size:clamp(30px,4.6vw,48px);line-height:1.22;font-weight:800;letter-spacing:-0.02em;}
.hero-lead{color:#D6E4DC;font-size:clamp(16px,1.6vw,18px);line-height:1.8;max-width:560px;margin-top:18px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-point{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#F1F7F3;font-size:13px;font-weight:500;}
.hero-point svg{width:16px;height:16px;stroke:var(--lime);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.hero-cta{margin-top:30px;}
.hero-visual{position:relative;}
.hero-photo{border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.18);box-shadow:var(--sh-3);}
.hero-photo img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.float-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px;}
.float-card{background:#fff;border-radius:var(--r-md);padding:14px 16px;box-shadow:var(--sh-1);border:1px solid var(--border);}
.float-num{font-size:24px;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2;}
.float-label{font-size:12px;color:var(--muted);margin-top:4px;}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:7fr 5fr;align-items:center;padding:64px 56px;gap:48px;}
  .float-cards{grid-template-columns:1fr;gap:14px;position:absolute;right:-18px;bottom:-22px;width:210px;margin-top:0;}
}

/* 板块通用 */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;}
.section-sub{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-500);letter-spacing:.08em;margin-bottom:12px;}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--accent);}

/* 卡片 */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:box-shadow 200ms var(--ease),transform 200ms var(--ease),border-color 200ms var(--ease);}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.card-pad{padding:20px;}
@media (min-width:1024px){.card-pad{padding:26px;}}
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.news-card{display:flex;flex-direction:column;overflow:hidden;height:100%;}
.news-media{overflow:hidden;position:relative;}
.news-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms var(--ease);}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-media .news-cat{position:absolute;left:12px;top:12px;}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;gap:10px;}
.news-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-excerpt{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--border);font-size:13px;color:var(--muted);}
.empty-state{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-lg);padding:26px;text-align:center;max-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;}
.empty-state p{color:var(--muted);font-size:14px;}

/* 不对称服务区 */
.split{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:1024px){.split{grid-template-columns:7fr 5fr;gap:24px;}}
.stack{display:grid;grid-template-columns:1fr;gap:20px;}
.icon-block{width:48px;height:48px;border-radius:12px;background:var(--brand-100);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.icon-block svg{width:24px;height:24px;stroke:var(--brand-700);stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.icon-block.accent{background:var(--accent-100);}
.icon-block.accent svg{stroke:var(--accent-600);}
.check-list{display:grid;gap:10px;margin-top:16px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);line-height:1.75;}
.check-list svg{width:18px;height:18px;flex:0 0 auto;margin-top:5px;stroke:var(--brand-500);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;}

/* 数据带 */
.stats{
  background:linear-gradient(135deg,var(--brand-900) 0%,var(--brand-700) 100%);
  color:#EAF3EE;position:relative;overflow:hidden;
}
.stats::before{
  content:"";position:absolute;inset:0;
  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:48px 48px;pointer-events:none;
}
.stats-inner{position:relative;padding:56px 0;}
@media (min-width:1024px){.stats-inner{padding:88px 0;}}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
@media (min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:0;}}
.stat{padding:0 4px;}
@media (min-width:1024px){.stat{padding:0 28px;border-left:1px solid rgba(255,255,255,.12);}.stat:first-child{border-left:0;padding-left:0;}}
.stat-num{font-size:clamp(34px,4vw,52px);font-weight:800;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-0.02em;}
.stat-num span{color:var(--lime);font-size:.6em;margin-left:4px;font-weight:700;}
.stat-label{font-size:14px;color:#B9CFC4;margin-top:8px;}

/* 案例错位 */
.case-wrap{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){
  .case-wrap{grid-template-columns:1fr 1fr;gap:32px;}
  .case-card:nth-child(2){margin-top:56px;}
}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

/* 时间轴 */
.timeline{position:relative;display:grid;gap:26px;max-width:820px;}
.timeline::before{content:"";position:absolute;left:22px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,var(--brand-500),rgba(18,125,98,.12));}
.step{position:relative;display:grid;grid-template-columns:46px 1fr;gap:18px;align-items:start;}
.step-no{
  width:46px;height:46px;border-radius:50%;background:var(--bg);border:1.5px solid var(--brand-500);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--brand-700);font-size:15px;position:relative;z-index:1;font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.step p{font-size:15px;color:var(--muted);line-height:1.8;}

/* FAQ */
.faq-list{max-width:820px;display:grid;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);}
.faq-item[open]{border-color:rgba(12,74,60,.28);box-shadow:var(--sh-1);border-left:4px solid var(--brand-700);background:linear-gradient(180deg,var(--bg) 0%,var(--surface) 40%);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary svg{width:18px;height:18px;flex:0 0 auto;stroke:var(--brand-700);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform 200ms var(--ease);}
.faq-item[open] summary svg{transform:rotate(180deg);}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* 联系 CTA */
.cta-band{background:linear-gradient(135deg,var(--brand-900) 0%,var(--brand-700) 100%);padding:56px 0;}
@media (min-width:1024px){.cta-band{padding:80px 0;}}
.cta-card{background:var(--bg);border-radius:var(--r-xl);box-shadow:var(--sh-3);padding:24px;display:grid;gap:28px;}
@media (min-width:1024px){.cta-card{grid-template-columns:7fr 5fr;padding:40px;gap:40px;}}
.form-row{display:grid;gap:6px;margin-bottom:16px;}
.form-row label{font-size:13px;color:var(--muted);font-weight:600;}
.form-row input,.form-row select,.form-row textarea{
  height:48px;border:1px solid var(--border);border-radius:10px;padding:12px 14px;background:#fff;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);width:100%;
}
.form-row textarea{min-height:120px;resize:vertical;line-height:1.7;height:auto;}
.form-row input::placeholder,.form-row textarea::placeholder{color:rgba(93,107,101,.6);}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,125,98,.12);}
.form-grid{display:grid;gap:0 16px;}
@media (min-width:768px){.form-grid{grid-template-columns:1fr 1fr;}}
.info-card{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:16px;margin-bottom:12px;}
.info-card svg{width:20px;height:20px;flex:0 0 auto;margin-top:3px;stroke:var(--brand-700);stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.info-label{font-size:12px;color:var(--muted);letter-spacing:.04em;}
.info-value{font-size:14px;font-weight:600;color:var(--ink);margin-top:2px;line-height:1.6;}
.form-note{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.7;}
.form-msg{display:none;margin-top:14px;padding:12px 14px;border-radius:10px;background:var(--brand-100);color:var(--brand-700);font-size:14px;font-weight:600;}
.form-msg.is-visible{display:block;}

/* 页脚 */
.site-footer{background:var(--brand-900);color:#B9CFC4;padding:56px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:rgba(255,255,255,.7);transition:color 200ms var(--ease),padding-left 200ms var(--ease);}
.footer-links a:hover{color:#fff;padding-left:2px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark::after{background:var(--brand-900);}
.footer-brand span{color:#fff;font-size:17px;font-weight:800;}
.footer-desc{line-height:1.9;color:rgba(255,255,255,.68);max-width:340px;}
.qr-box{width:104px;height:104px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;margin-top:12px;}
.qr-box svg{width:44px;height:44px;stroke:rgba(255,255,255,.6);stroke-width:1.5;fill:none;}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom a{color:rgba(255,255,255,.75);}
.footer-bottom a:hover{color:#fff;}
@media (max-width:639px){.footer-bottom{flex-direction:column;}}

/* roulang page: category1 */
:root{
  --brand-900:#062A23;
  --brand-700:#0C4A3C;
  --brand-500:#127D62;
  --brand-100:#DDEDE6;
  --accent:#E85A19;
  --accent-600:#C94A10;
  --accent-100:#FDE8DC;
  --lime:#B8D94A;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --surface-2:#EFEDE4;
  --border:#E2DFD4;
  --ink:#0F1B17;
  --ink-2:#2C3A35;
  --muted:#5D6B65;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --sh-1:0 1px 2px rgba(6,42,35,.06),0 8px 24px -12px rgba(6,42,35,.16);
  --sh-2:0 2px 4px rgba(6,42,35,.08),0 18px 40px -16px rgba(6,42,35,.22);
  --sh-3:0 4px 8px rgba(6,42,35,.08),0 28px 60px -24px rgba(6,42,35,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand-100);color:var(--brand-900)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 28px}}
@media (min-width:1280px){.container{max-width:1280px;padding:0 40px}}

/* ---------- 公告条 ---------- */
.announce{background:var(--brand-900);color:#EAF2EE;font-size:13px;line-height:1.6}
.announce .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.announce a{color:var(--lime);font-weight:600}
.announce a:hover{text-decoration:underline;text-underline-offset:4px}
@media (max-width:767px){.announce{display:none}}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:10px 0;transition:padding .2s var(--ease)}
.nav-panel{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:10px 14px;
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-3)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  position:relative;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-mark::after{
  content:"";position:absolute;left:8px;bottom:8px;width:13px;height:13px;
  background:var(--accent);border-radius:4px;
}
.brand-mark::before{
  content:"";position:absolute;right:7px;top:7px;width:10px;height:10px;
  background:var(--lime);border-radius:3px;
}
.brand-text{font-size:17px;font-weight:700;color:var(--brand-900);letter-spacing:0;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 14px;border-radius:10px;
  background:var(--surface-2);
  color:var(--ink-2);font-size:14px;font-weight:600;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.nav-dot{width:7px;height:7px;border-radius:2px;background:var(--brand-500);flex-shrink:0}
.nav-item:hover{background:#fff;border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px)}
.nav-item.is-active{
  background:var(--brand-100);color:var(--brand-700);
  border-color:rgba(12,74,60,.18);
  box-shadow:inset 3px 0 0 var(--brand-700);
}
.nav-item.is-active .nav-dot{background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-ghost{font-size:14px;font-weight:600;color:var(--brand-700);transition:color .2s var(--ease)}
.nav-ghost:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  background:var(--surface-2);border:1px solid var(--border);color:var(--brand-900);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);border:1.5px solid transparent;
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-600);box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-outline:hover{background:var(--brand-100);border-color:var(--brand-900)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.8)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}

.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-size:14px;font-weight:600}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--brand-100);color:var(--brand-700);
}
.badge-accent{background:var(--accent);color:#fff}
.badge-line{background:rgba(255,255,255,.14);color:#F3F6F2;border:1px solid rgba(255,255,255,.28)}

/* ---------- 短 Hero ---------- */
.page-hero{
  position:relative;
  margin-top:-62px;
  padding:150px 0 64px;
  background-image:linear-gradient(180deg,rgba(6,42,35,.88),rgba(6,42,35,.62)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#F3F6F2;
}
@media (max-width:1023px){.page-hero{margin-top:-58px;padding:130px 0 48px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(243,246,242,.78);margin-bottom:18px}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{opacity:.6}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.22;
  letter-spacing:-.02em;
  font-weight:800;
  max-width:760px;
}
.page-hero .hero-sub{margin-top:16px;max-width:720px;font-size:16px;line-height:1.85;color:rgba(243,246,242,.9)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:14px 18px;
  margin-top:-34px;
  position:relative;z-index:5;
}
.filter-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;
  background:var(--surface-2);color:var(--ink-2);
  font-size:14px;font-weight:600;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-pill:hover{background:#fff;border-color:var(--brand-500);color:var(--brand-700)}
.filter-pill.is-active{background:var(--brand-700);color:#fff;border-color:var(--brand-700)}
.filter-note{margin-left:auto;font-size:13px;color:var(--muted)}
@media (max-width:767px){.filter-note{margin-left:0;flex:1 0 100%}}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:96px 0}}
.section-tight{padding:52px 0}
@media (min-width:768px){.section-tight{padding:72px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);letter-spacing:-.01em}
.section-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-700);letter-spacing:.06em;margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--accent)}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.content-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.content-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(12,74,60,.24)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.content-card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;top:12px;left:12px}
.card-body{display:flex;flex-direction:column;gap:10px;padding:22px;flex:1}
.card-title{font-size:19px;line-height:1.42;font-weight:600}
.card-text{font-size:15px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--border)}
.card-meta{font-size:13px;color:var(--muted)}

/* ---------- 不对称板块 ---------- */
.panel-main{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:28px;
  display:flex;flex-direction:column;gap:18px;
}
.icon-box{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:14px;
  background:var(--brand-100);color:var(--brand-700);
}
.icon-box svg{width:24px;height:24px;stroke-width:1.75}
.check-list{display:flex;flex-direction:column;gap:10px;margin:0;padding:0;list-style:none}
.check-list li{position:relative;padding-left:22px;font-size:15px;color:var(--ink-2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--brand-500);
}
.mini-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:24px;
  display:flex;gap:16px;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.mini-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.mini-card h3{font-size:18px;margin-bottom:6px}
.mini-card p{font-size:14px;color:var(--muted)}

/* ---------- 深色统计带 ---------- */
.stat-band{
  background-image:linear-gradient(90deg,var(--brand-900),var(--brand-700)),
    repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 48px);
  background-blend-mode:normal;
  color:#F3F6F2;
  padding:64px 0;
}
@media (min-width:768px){.stat-band{padding:84px 0}}
.stat-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);max-width:640px}
.stat-band .lead{margin-top:12px;color:rgba(243,246,242,.78);font-size:15px;max-width:660px}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:40px;background:rgba(255,255,255,.12)}
@media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-item{background:rgba(6,42,35,.62);padding:26px 22px}
.stat-num{
  font-size:clamp(32px,4vw,50px);
  font-weight:800;line-height:1.1;color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-num em{font-style:normal;color:var(--lime);font-size:.6em;margin-left:2px}
.stat-label{margin-top:8px;font-size:14px;color:rgba(243,246,242,.76)}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);gap:24px}}
.step{
  display:flex;gap:18px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:24px;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.step-num{
  flex:0 0 auto;
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);
  border:1px solid rgba(12,74,60,.18);
  color:var(--brand-700);
  font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.faq-item:hover{border-color:rgba(12,74,60,.28)}
.faq-item[open]{box-shadow:var(--sh-1);background:linear-gradient(90deg,var(--brand-100) 0 4px,var(--surface) 4px)}
.faq-item summary{
  display:flex;align-items:center;gap:12px;
  padding:20px 24px;
  font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;margin-left:auto;
  width:9px;height:9px;
  border-right:2px solid var(--brand-700);
  border-bottom:2px solid var(--brand-700);
  transform:rotate(45deg);
  transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item .faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--brand-900);
  border-radius:var(--r-xl);
  padding:32px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,28px)}
.cta-band p{margin-top:10px;color:rgba(243,246,242,.78);font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(243,246,242,.72);margin-top:80px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(243,246,242,.7);max-width:340px}
.qr-box{
  margin-top:18px;width:84px;height:84px;border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;
}
.qr-box svg{width:44px;height:44px;fill:rgba(243,246,242,.72)}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(243,246,242,.7);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:#fff;padding-left:2px}
.footer-bottom{
  margin-top:44px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(243,246,242,.6);
}

/* ---------- 响应式导航 ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .nav-open .nav-links{
    display:grid;grid-template-columns:1fr 1fr;gap:10px;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-3);
    padding:14px;
  }
  .nav-open .nav-links .nav-item{width:100%;justify-content:flex-start}
}
@media (max-width:639px){
  .nav-open .nav-links{grid-template-columns:1fr}
  .brand-text{font-size:15px}
  .cta-band{padding:24px}
  .cta-actions .btn{width:100%}
  .hero-btns .btn{width:100%}
  .filter-bar{margin-top:-24px;padding:12px}
  .panel-main{padding:20px}
  .stat-item{padding:20px 16px}
}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--surface-2)}
::-webkit-scrollbar-thumb{background:rgba(12,74,60,.35);border-radius:999px;border:2px solid var(--surface-2)}
::-webkit-scrollbar-thumb:hover{background:rgba(12,74,60,.55)}

/* roulang page: article */
:root{
    --brand-900:#062A23;
    --brand-700:#0C4A3C;
    --brand-500:#127D62;
    --brand-100:#DDEDE6;
    --accent:#E85A19;
    --accent-600:#C94A10;
    --accent-100:#FDE8DC;
    --lime:#B8D94A;
    --bg:#F7F5EF;
    --surface:#FFFFFF;
    --surface-2:#EFEDE4;
    --border:#E2DFD4;
    --ink:#0F1B17;
    --ink-2:#2C3A35;
    --muted:#5D6B65;
    --r-sm:8px;
    --r-md:12px;
    --r-lg:16px;
    --r-xl:22px;
    --sh-1:0 1px 2px rgba(6,42,35,.06), 0 8px 24px -12px rgba(6,42,35,.16);
    --sh-2:0 2px 4px rgba(6,42,35,.08), 0 18px 40px -16px rgba(6,42,35,.22);
    --sh-3:0 4px 8px rgba(6,42,35,.08), 0 28px 60px -24px rgba(6,42,35,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--ink-2);
    background:var(--bg);
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);}
  button,input,select,textarea{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
  p{margin:0;}
  :focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:6px;}
  ::selection{background:var(--brand-100);color:var(--brand-900);}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 28px;}}
  @media (min-width:1024px){.container{padding:0 40px;}}

  /* ---------- 顶部公告条 ---------- */
  .topbar{background:var(--brand-900);color:#C8DBD3;font-size:13px;}
  .topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
  .topbar strong{color:#fff;font-weight:600;}
  .topbar a{color:#FFFFFF;text-decoration:underline;text-underline-offset:3px;}
  .topbar a:hover{color:var(--lime);}
  @media (max-width:767px){.topbar{display:none;}}

  /* ---------- Header / 卡片化导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;padding:12px 0;
    background:linear-gradient(180deg,rgba(247,245,239,.96),rgba(247,245,239,.7));
    backdrop-filter:blur(10px);
  }
  .nav-panel{
    display:flex;align-items:center;gap:16px;
    background:var(--surface);border:1px solid var(--border);
    border-radius:var(--r-lg);box-shadow:var(--sh-1);
    padding:10px 14px;min-height:64px;
    transition:box-shadow .25s var(--ease);
  }
  .site-header.is-scrolled .nav-panel{box-shadow:var(--sh-3);}
  .brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);white-space:nowrap;}
  .brand-mark{
    width:28px;height:28px;border-radius:8px;flex:0 0 auto;position:relative;
    background:linear-gradient(135deg,var(--brand-500),var(--brand-900));
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
  }
  .brand-mark::before{
    content:"";position:absolute;left:7px;top:7px;width:14px;height:14px;
    border-radius:3px;background:var(--lime);opacity:.9;
    clip-path:polygon(0 0,100% 0,100% 55%,55% 100%,0 100%);
  }
  .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto;}
  .nav-item{
    position:relative;display:inline-flex;align-items:center;gap:8px;
    height:42px;padding:0 14px;border-radius:10px;
    background:var(--surface-2);color:var(--ink-2);
    font-size:14px;font-weight:500;white-space:nowrap;
  }
  .nav-item:hover{background:#fff;box-shadow:inset 0 0 0 1px var(--brand-500);color:var(--brand-700);}
  .nav-item.is-active{background:var(--brand-100);color:var(--brand-700);font-weight:600;}
  .nav-item.is-active::before{
    content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
    border-radius:2px;background:var(--brand-700);
  }
  .nav-dot{width:6px;height:6px;border-radius:2px;background:var(--accent);flex:0 0 auto;}
  .nav-actions{display:flex;align-items:center;gap:10px;}
  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:42px;height:42px;border:1px solid var(--border);border-radius:10px;
    background:var(--surface-2);cursor:pointer;
  }
  .nav-toggle:hover{background:#fff;border-color:var(--brand-500);}
  .nav-toggle svg{width:20px;height:20px;stroke:var(--brand-700);stroke-width:1.75;fill:none;stroke-linecap:round;}
  .nav-drawer{
    display:none;margin-top:10px;padding:14px;
    background:var(--surface);border:1px solid var(--border);
    border-radius:var(--r-lg);box-shadow:var(--sh-2);
  }
  .nav-drawer.is-open{display:block;}
  .nav-drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .nav-drawer-grid a{
    padding:14px 16px;border-radius:10px;background:var(--surface-2);
    font-size:14px;font-weight:600;color:var(--ink-2);
  }
  .nav-drawer-grid a:hover{background:var(--brand-100);color:var(--brand-700);}
  .nav-drawer .drawer-cta{margin-top:12px;width:100%;}
  @media (max-width:1023px){
    .nav-links{display:none;}
    .nav-toggle{display:inline-flex;}
    .nav-actions .btn-ghost{display:none;}
    .brand{font-size:16px;}
  }
  @media (max-width:420px){
    .nav-actions .btn-primary{display:none;}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border:1.5px solid transparent;border-radius:var(--r-md);
    padding:12px 24px;font-size:15px;font-weight:600;cursor:pointer;
    transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
  }
  .btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round;}
  .btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}
  .btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
  .btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
  .btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
  .btn-ghost:hover{background:var(--brand-100);}
  .btn-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
  .btn-light:hover{background:rgba(255,255,255,.14);border-color:#fff;}
  .btn-block{width:100%;}

  .link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-size:14px;font-weight:600;}
  .link-more svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease);}
  .link-more:hover{text-decoration:underline;text-underline-offset:4px;}
  .link-more:hover svg{transform:translateX(4px);}

  /* ---------- 面包屑 ---------- */
  .crumbs{background:var(--surface-2);border-bottom:1px solid var(--border);}
  .crumbs-inner{
    display:flex;align-items:center;gap:8px;
    padding:14px 0;font-size:14px;color:var(--muted);overflow:hidden;
  }
  .crumbs a{color:var(--muted);flex:0 0 auto;}
  .crumbs a:hover{color:var(--brand-700);}
  .crumbs .sep{color:#B9B5A6;flex:0 0 auto;}
  .crumbs .current{
    color:var(--ink-2);font-weight:500;min-width:0;
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  }

  /* ---------- 主体布局 ---------- */
  .page-main{padding:40px 0 72px;}
  @media (min-width:1024px){.page-main{padding:52px 0 96px;}}
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:44px;align-items:start;}
  @media (max-width:1023px){.article-layout{grid-template-columns:1fr;gap:32px;}}

  .article-head{padding-bottom:22px;border-bottom:1px solid var(--border);}
  .article-title{
    font-size:clamp(28px,3.8vw,40px);line-height:1.28;font-weight:800;
    letter-spacing:-.02em;margin-bottom:16px;
  }
  .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--muted);}
  .article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C4C0B2;flex:0 0 auto;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    height:26px;padding:0 12px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .badge-brand{background:var(--brand-100);color:var(--brand-700);}
  .badge-accent{background:var(--accent-100);color:var(--accent-600);}
  .badge-plain{background:var(--surface-2);color:var(--muted);border:1px solid var(--border);}
  .article-intro{
    margin-top:24px;padding:18px 22px;
    background:var(--brand-100);border-left:4px solid var(--brand-700);
    border-radius:0 var(--r-md) var(--r-md) 0;
    font-size:15.5px;line-height:1.8;color:var(--ink-2);
    display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;
  }

  /* ---------- 正文排版 ---------- */
  .article-body{margin-top:30px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:820px;}
  .article-body > *:first-child{margin-top:0;}
  .article-body p{margin:0 0 1.15em;text-align:justify;text-justify:inter-ideograph;}
  .article-body h2{
    position:relative;font-size:clamp(22px,2.4vw,26px);font-weight:700;line-height:1.4;
    margin:2.2em 0 .8em;padding-left:16px;scroll-margin-top:110px;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.42em;width:4px;height:.95em;
    border-radius:2px;background:var(--accent);
  }
  .article-body h3{font-size:19px;font-weight:600;line-height:1.45;margin:1.6em 0 .6em;scroll-margin-top:110px;}
  .article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;}
  .article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.35em;}
  .article-body ul{list-style:none;padding-left:1.1em;}
  .article-body ul > li{position:relative;margin-bottom:.5em;line-height:1.8;}
  .article-body ul > li::before{
    content:"";position:absolute;left:-1.1em;top:.72em;
    width:6px;height:6px;border-radius:2px;background:var(--brand-500);
  }
  .article-body ol{list-style:decimal;}
  .article-body ol > li{margin-bottom:.5em;line-height:1.8;padding-left:.2em;}
  .article-body ol > li::marker{color:var(--brand-700);font-weight:700;}
  .article-body blockquote{
    margin:1.6em 0;padding:20px 24px;
    background:var(--surface-2);border-left:4px solid var(--brand-700);
    border-radius:0 var(--r-md) var(--r-md) 0;
    font-size:16px;color:var(--ink-2);
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{border-radius:var(--r-md);margin:1.7em auto;height:auto;}
  .article-body figure{margin:1.7em 0;}
  .article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
  .article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px;}
  .article-body a:hover{color:var(--accent-600);}
  .article-body strong{color:var(--ink);font-weight:600;}
  .article-body hr{border:0;border-top:1px solid var(--border);margin:2.2em 0;}
  .article-body table{
    width:100%;border-collapse:collapse;margin:1.6em 0;
    font-size:15px;border-radius:var(--r-md);overflow:hidden;
  }
  .article-body thead th{background:var(--brand-700);color:#F3F6F2;font-weight:600;text-align:left;padding:12px 16px;}
  .article-body tbody td{padding:12px 16px;border-bottom:1px solid var(--border);}
  .article-body tbody tr:nth-child(even){background:var(--surface-2);}
  @media (max-width:767px){
    .article-body{font-size:16.5px;}
    .article-body table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;}
  }

  /* ---------- 空态 ---------- */
  .empty-card{
    margin-top:32px;padding:40px 28px;text-align:center;
    background:var(--surface-2);border:1px dashed var(--border);border-radius:var(--r-lg);
  }
  .empty-card h2{font-size:20px;margin-bottom:10px;}
  .empty-card p{color:var(--muted);font-size:15px;margin-bottom:20px;}

  /* ---------- 标签 ---------- */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border);}
  .tag{
    display:inline-flex;align-items:center;height:32px;padding:0 14px;
    border-radius:999px;background:var(--surface-2);border:1px solid var(--border);
    font-size:13px;color:var(--ink-2);
  }
  .tag:hover{border-color:var(--brand-500);color:var(--brand-700);background:#fff;}

  /* ---------- 上一篇 / 下一篇 ---------- */
  .pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;}
  .pager-card{
    display:flex;flex-direction:column;gap:6px;padding:20px;
    background:var(--surface);border:1px solid var(--border);
    border-radius:var(--r-md);box-shadow:var(--sh-1);
  }
  .pager-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-500);}
  .pager-card .label{font-size:13px;color:var(--muted);}
  .pager-card .val{font-size:15.5px;font-weight:600;color:var(--ink);}
  .pager-card.is-next{text-align:right;align-items:flex-end;}
  .pager-card.is-next:hover .val{color:var(--brand-700);}
  .pager-card:hover .val{color:var(--brand-700);}
  @media (max-width:640px){.pager{grid-template-columns:1fr;}.pager-card.is-next{text-align:left;align-items:flex-start;}}

  /* ---------- 侧栏 ---------- */
  .side-col{display:flex;flex-direction:column;gap:20px;}
  .side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
  .side-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:22px;}
  .side-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
  .side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand-700);}
  .toc-list a{
    display:block;padding:8px 12px;font-size:14px;line-height:1.6;color:var(--ink-2);
    border-left:2px solid transparent;border-radius:0 8px 8px 0;
  }
  .toc-list a:hover{background:var(--surface-2);color:var(--brand-700);}
  .toc-list a.is-current{border-left-color:var(--brand-700);background:var(--brand-100);color:var(--brand-700);font-weight:600;}
  .mini-link{display:block;padding:13px 0;border-bottom:1px dashed var(--border);}
  .mini-link:last-child{border-bottom:0;padding-bottom:0;}
  .mini-link strong{display:block;font-size:14.5px;color:var(--ink);line-height:1.5;}
  .mini-link span{display:block;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.6;}
  .mini-link:hover strong{color:var(--brand-700);}
  .side-card .btn-block{margin-top:16px;}
  @media (max-width:1023px){
    .side-sticky{position:static;}
    .side-col{margin-top:8px;}
  }

  /* ---------- 板块 / 卡片 ---------- */
  .section{padding:64px 0;}
  @media (min-width:1024px){.section{padding:88px 0;}}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
  .section-title{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;}
  .section-sub{font-size:15px;color:var(--muted);margin-top:10px;max-width:62ch;}

  .card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
  @media (max-width:1023px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
  @media (max-width:640px){.card-grid{grid-template-columns:1fr;gap:16px;}}
  .news-card{
    display:flex;flex-direction:column;overflow:hidden;
    background:var(--surface);border:1px solid var(--border);
    border-radius:var(--r-lg);box-shadow:var(--sh-1);
  }
  .news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6D2C4;}
  .news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
  .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
  .news-card:hover .news-thumb img{transform:scale(1.03);}
  .news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .news-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);}
  .news-card:hover .news-title{color:var(--brand-700);}
  .news-text{font-size:14.5px;line-height:1.75;color:var(--muted);}
  .news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;font-size:13px;color:var(--muted);}

  /* ---------- CTA 通栏 ---------- */
  .cta-band{
    position:relative;overflow:hidden;margin-top:56px;
    display:flex;align-items:center;justify-content:space-between;gap:28px;
    padding:40px;border-radius:var(--r-xl);
    background:linear-gradient(135deg,var(--brand-900),var(--brand-700));
    color:#EAF3EE;
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
    background-size:44px 44px;
  }
  .cta-band > *{position:relative;z-index:1;}
  .cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35;}
  .cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin-top:10px;max-width:56ch;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}
  @media (max-width:768px){
    .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 100%;}
  }

  /* ---------- FAQ ---------- */
  .faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:var(--surface);border:1px solid var(--border);
    border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;
  }
  .faq-item[open]{border-left:4px solid var(--brand-700);background:#FFFDF7;}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:18px 24px;
    font-size:16.5px;font-weight:600;color:var(--ink);
    display:flex;align-items:center;justify-content:space-between;gap:16px;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--brand-700);}
  .faq-item summary svg{width:18px;height:18px;flex:0 0 auto;stroke:var(--brand-700);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease);}
  .faq-item[open] summary svg{transform:rotate(180deg);}
  .faq-answer{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-900);color:#D7E4DD;padding:64px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;}
  @media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
  @media (max-width:640px){.footer-grid{grid-template-columns:1fr;gap:26px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
  .footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin-top:16px;max-width:38ch;}
  .footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
  .footer-links a{display:block;font-size:14px;color:rgba(255,255,255,.7);padding:6px 0;}
  .footer-links a:hover{color:#fff;transform:translateX(2px);}
  .qr-box{
    width:68px;height:68px;margin-top:18px;border-radius:10px;
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
    display:flex;align-items:center;justify-content:center;
  }
  .qr-box svg{width:34px;height:34px;fill:rgba(255,255,255,.72);}
  .footer-bottom{
    margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
    display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.6);
  }

/* roulang page: category2 */
:root{
  --brand-900:#062A23;
  --brand-700:#0C4A3C;
  --brand-500:#127D62;
  --brand-100:#DDEDE6;
  --accent:#E85A19;
  --accent-600:#C94A10;
  --accent-100:#FDE8DC;
  --lime:#B8D94A;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --surface-2:#EFEDE4;
  --border:#E2DFD4;
  --ink:#0F1B17;
  --ink-2:#2C3A35;
  --muted:#5D6B65;
  --on-dark:#F3F6F2;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --sh-1:0 1px 2px rgba(6,42,35,.06), 0 8px 24px -12px rgba(6,42,35,.16);
  --sh-2:0 2px 4px rgba(6,42,35,.08), 0 18px 40px -16px rgba(6,42,35,.22);
  --sh-3:0 4px 8px rgba(6,42,35,.08), 0 28px 60px -24px rgba(6,42,35,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--brand-900);color:rgba(243,246,242,.86);font-size:13px;line-height:1.5}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0}
.topbar a{color:var(--lime);border-bottom:1px solid transparent;transition:border-color .2s var(--ease)}
.topbar a:hover{border-bottom-color:var(--lime)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;padding:12px 0;
  background:linear-gradient(180deg,rgba(247,245,239,.97) 55%,rgba(247,245,239,.74));
  backdrop-filter:blur(10px);
}
.nav-card{
  display:flex;align-items:center;gap:20px;
  padding:12px 18px;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled .nav-card{box-shadow:var(--sh-3)}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap}
.brand-mark{position:relative;width:32px;height:32px;flex:none;border-radius:10px;background:linear-gradient(140deg,var(--brand-900),var(--brand-500))}
.brand-mark::after{content:"";position:absolute;left:9px;top:9px;width:14px;height:14px;border-radius:3px;background:var(--lime)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 14px;
  border-radius:10px;background:var(--surface-2);border:1px solid transparent;
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-item:hover{background:#fff;border-color:var(--brand-500);color:var(--brand-700)}
.nav-item.is-active{background:var(--brand-100);color:var(--brand-700);font-weight:600;padding-left:16px;box-shadow:inset 3px 0 0 var(--brand-700)}
.nav-dot{width:6px;height:6px;flex:none;border-radius:2px;background:var(--brand-500)}
.nav-item.is-active .nav-dot{background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface-2);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-700);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-700);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{display:none;margin-top:10px;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.mobile-drawer.is-open{display:block}
.drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.drawer-link{
  display:flex;align-items:center;gap:8px;padding:12px;border-radius:var(--r-md);
  background:var(--surface-2);font-size:14px;font-weight:500;color:var(--ink-2);
}
.drawer-link.is-active{background:var(--brand-100);color:var(--brand-700);font-weight:600}
.mobile-drawer .btn{width:100%;margin-top:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-md);font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -10px rgba(232,90,25,.75)}
.btn-primary:hover{background:var(--accent-600);box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand-900)}
.btn-on-dark{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-on-dark:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);
  transition:color .2s var(--ease);
}
.link-arrow svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.link-arrow:hover{color:var(--accent-600);text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 标签与徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);font-size:12px;letter-spacing:.04em;font-weight:600;
}
.tag-accent{background:var(--accent-100);color:var(--accent-600)}
.tag-plain{background:var(--surface-2);color:var(--muted);font-weight:500}

/* ---------- Hero ---------- */
.hero-section{padding-top:18px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:10px 16px;background:var(--surface-2);border-radius:var(--r-md);margin-bottom:16px}
.crumbs a{color:var(--brand-700)}
.crumbs a:hover{text-decoration:underline;text-underline-offset:4px}
.crumbs-current{color:var(--ink-2);font-weight:600}
.hero-cat{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:44px 48px;min-height:290px;
  display:flex;align-items:center;color:var(--on-dark);
  background-image:linear-gradient(115deg,rgba(6,42,35,.90),rgba(12,74,60,.62)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
}
.hero-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;width:100%}
.hero-copy{max-width:640px}
.hero-badge{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;
  background:rgba(184,217,74,.16);border:1px solid rgba(184,217,74,.42);
  color:var(--lime);font-size:12px;letter-spacing:.06em;font-weight:600;
}
.hero-cat h1{
  font-size:clamp(30px,4.6vw,50px);line-height:1.22;font-weight:800;letter-spacing:-.02em;
  color:#fff;margin:16px 0 14px;
}
.hero-sub{font-size:17px;line-height:1.75;color:rgba(243,246,242,.88);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-direction:column;gap:12px;flex:none}
.stat-chip{
  min-width:158px;padding:14px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
}
.stat-num{display:block;font-size:30px;font-weight:800;line-height:1.1;color:var(--lime);font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;color:rgba(243,246,242,.86)}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.section-head p{margin-top:12px;font-size:16px;color:var(--muted)}

/* ---------- 左导右文布局 ---------- */
.layout-two{display:grid;grid-template-columns:288px 1fr;gap:28px;align-items:start}
.side-card{
  position:sticky;top:96px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:20px;
}
.side-title{font-size:15px;font-weight:700;color:var(--ink)}
.side-note{font-size:13px;color:var(--muted);margin-top:6px}
.side-nav{margin-top:14px;display:flex;flex-direction:column;gap:4px}
.side-link{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:14.5px;color:var(--ink-2);border-left:3px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.side-link:hover{background:var(--surface-2);color:var(--brand-700)}
.side-link.is-active{background:var(--brand-100);color:var(--brand-700);font-weight:600;border-left-color:var(--brand-700)}
.side-link i{width:6px;height:6px;border-radius:2px;background:var(--brand-500);flex:none;font-style:normal}
.side-link.is-active i{background:var(--accent)}
.side-card .btn{width:100%;margin-top:16px}

.data-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:8px 28px}
.data-item{display:grid;grid-template-columns:168px 1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--border)}
.data-item:last-child{border-bottom:none}
.data-thumb{aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:var(--surface-2);border:1px solid var(--border)}
.data-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.data-item:hover .data-thumb img{transform:scale(1.03)}
.data-body h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--ink)}
.data-body p{margin-top:8px;font-size:15px;color:var(--ink-2);max-width:640px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.data-meta{margin-top:10px;font-size:13px;color:var(--muted)}
.data-body .link-arrow{margin-top:12px}

.fields-card{margin-top:24px;padding:26px 28px;border-radius:var(--r-lg);background:var(--surface-2);border:1px solid var(--border)}
.fields-card h3{font-size:20px;font-weight:600;color:var(--ink)}
.fields-card > p{margin-top:10px;font-size:15px;color:var(--ink-2)}
.fields-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:18px}
.field-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:16px 18px}
.field-item strong{display:block;font-size:15px;color:var(--ink);font-weight:600}
.field-item span{display:block;margin-top:6px;font-size:14px;color:var(--muted)}

/* ---------- 卖点 ---------- */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch}
.feature-main{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.feature-main:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.feature-main figure{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.feature-main figure img{width:100%;height:100%;object-fit:cover}
.feature-main .feature-body{padding:24px 28px 28px}
.feature-main h3{font-size:22px;font-weight:700;color:var(--ink);line-height:1.4}
.feature-main p{margin-top:12px;font-size:15px;color:var(--ink-2)}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2)}
.check-list li::before{content:"";width:8px;height:8px;margin-top:9px;flex:none;border-radius:2px;background:var(--brand-500)}
.feature-side{display:flex;flex-direction:column;gap:24px}
.mini-card{
  flex:1;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:24px;display:flex;flex-direction:column;justify-content:center;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.mini-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.icon-block{width:44px;height:44px;border-radius:12px;background:var(--brand-100);display:flex;align-items:center;justify-content:center;color:var(--brand-700)}
.icon-block svg{width:22px;height:22px}
.mini-card h3{margin-top:14px;font-size:18px;font-weight:600;color:var(--ink)}
.mini-card p{margin-top:8px;font-size:14.5px;color:var(--muted)}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.scene-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--brand-500)}
.scene-num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:10px;background:var(--brand-900);color:var(--lime);font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.scene-card h3{margin-top:16px;font-size:17px;font-weight:600;color:var(--ink)}
.scene-card p{margin-top:8px;font-size:14.5px;color:var(--muted)}

/* ---------- 流程 ---------- */
.steps-band{background:linear-gradient(120deg,var(--brand-900),var(--brand-700));border-radius:var(--r-xl);padding:48px 44px;color:var(--on-dark);position:relative;overflow:hidden}
.steps-band::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
}
.steps-band .inner{position:relative}
.steps-band h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;color:#fff;letter-spacing:-.01em}
.steps-band .lead{margin-top:12px;font-size:15.5px;color:rgba(243,246,242,.84);max-width:640px}
.steps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:32px}
.step-item{display:flex;gap:16px;padding:20px 22px;border-radius:var(--r-md);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14)}
.step-index{flex:none;width:40px;height:40px;border-radius:12px;background:rgba(184,217,74,.18);border:1px solid rgba(184,217,74,.45);color:var(--lime);display:flex;align-items:center;justify-content:center;font-weight:700;font-variant-numeric:tabular-nums}
.step-item h3{font-size:17px;font-weight:600;color:#fff}
.step-item p{margin-top:8px;font-size:14.5px;color:rgba(243,246,242,.82)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s var(--ease),background .2s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:10px;height:10px;flex:none;border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);
  transform:rotate(45deg);transition:transform .2s var(--ease);
}
.faq-item[open]{background:#FBF9F3;box-shadow:inset 4px 0 0 var(--brand-700)}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-answer{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:760px}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:88px;background:linear-gradient(120deg,var(--brand-900),var(--brand-700));
  border-radius:var(--r-xl);padding:44px 48px;color:var(--on-dark);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#fff;line-height:1.35}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(243,246,242,.84);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:var(--brand-900);color:rgba(243,246,242,.78);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(243,246,242,.7);max-width:320px}
.qr-box{margin-top:18px;width:76px;height:76px;border-radius:var(--r-md);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center}
.qr-box svg{width:38px;height:38px;fill:rgba(243,246,242,.72);stroke:none}
.footer-title{font-size:14px;font-weight:600;color:#fff}
.footer-links{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(243,246,242,.72);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:#fff;padding-left:2px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(243,246,242,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 28px}
  .nav-links,.nav-actions .link-arrow{display:none}
  .nav-toggle{display:inline-flex}
  .layout-two{grid-template-columns:1fr}
  .side-card{position:static}
  .side-nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px}
  .side-link{white-space:nowrap;background:var(--surface-2);border-left:none;border:1px solid transparent;border-radius:999px;padding:9px 14px;font-size:13.5px}
  .side-link.is-active{border-color:var(--brand-700);box-shadow:none}
  .side-card .btn{margin-top:12px}
  .feature-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px}
  .hero-cat{padding:36px 32px}
  .hero-inner{flex-direction:column;align-items:flex-start}
  .hero-stats{flex-direction:row;width:100%}
  .stat-chip{flex:1;min-width:0}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:768px){
  .section{padding:64px 0 0}
  .site-footer{margin-top:64px;padding-top:48px}
  .data-list{padding:4px 20px}
  .data-item{grid-template-columns:1fr;gap:14px}
  .data-thumb{aspect-ratio:16/9}
  .fields-grid{grid-template-columns:1fr}
  .steps-band{padding:32px 24px}
  .cta-band,.hero-cat{padding:30px 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .container{padding:0 20px}
  body{font-size:15.5px}
  .nav-card{padding:10px 12px;gap:12px}
  .brand{font-size:15.5px}
  .brand-mark{width:28px;height:28px}
  .brand-mark::after{left:8px;top:8px;width:12px;height:12px}
  .hero-cat h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-cta{flex-direction:column;width:100%}
  .hero-cta .btn{width:100%}
  .hero-stats{flex-direction:column}
  .scene-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
  .faq-answer{padding:0 18px 18px}
}

/* roulang page: category3 */
:root{
    --brand-900:#062A23;
    --brand-700:#0C4A3C;
    --brand-500:#127D62;
    --brand-100:#DDEDE6;
    --accent:#E85A19;
    --accent-600:#C94A10;
    --accent-100:#FDE8DC;
    --lime:#B8D94A;
    --bg:#F7F5EF;
    --surface:#FFFFFF;
    --surface-2:#EFEDE4;
    --border:#E2DFD4;
    --ink:#0F1B17;
    --ink-2:#2C3A35;
    --muted:#5D6B65;
    --success:#1F7A4D;
    --warning:#C9890C;
    --error:#B5342A;
    --r-sm:8px;
    --r-md:12px;
    --r-lg:16px;
    --r-xl:22px;
    --sh-1:0 1px 2px rgba(6,42,35,.06), 0 8px 24px -12px rgba(6,42,35,.16);
    --sh-2:0 2px 4px rgba(6,42,35,.08), 0 18px 40px -16px rgba(6,42,35,.22);
    --sh-3:0 4px 8px rgba(6,42,35,.08), 0 28px 60px -24px rgba(6,42,35,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink-2);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:var(--brand-700);text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:4px;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){ .container{padding-left:28px;padding-right:28px;} }
  @media (min-width:1280px){ .container{max-width:1280px;padding-left:40px;padding-right:40px;} }

  /* ---------- 顶部公告条 ---------- */
  .topbar{
    background:var(--brand-900);
    color:rgba(243,246,242,.86);
    font-size:13px;
    line-height:1.5;
  }
  .topbar-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:40px;
    padding-top:8px;
    padding-bottom:8px;
  }
  .topbar a{color:var(--lime);font-weight:600;}
  .topbar a:hover{text-decoration:underline;text-underline-offset:4px;}
  @media (max-width:767px){ .topbar{display:none;} }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    padding:12px 0;
    background:rgba(247,245,239,.88);
    backdrop-filter:blur(8px);
  }
  .nav-panel{
    display:flex;
    align-items:center;
    gap:18px;
    min-height:64px;
    padding:10px 16px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-1);
    transition:box-shadow .2s var(--ease);
  }
  .site-header.is-scrolled .nav-panel{box-shadow:var(--sh-3);}

  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
    text-decoration:none;
  }
  .brand-mark{
    position:relative;
    width:30px;
    height:30px;
    flex:0 0 auto;
    border-radius:9px;
    background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  }
  .brand-mark::after{
    content:"";
    position:absolute;
    left:8px;
    right:8px;
    top:8px;
    height:4px;
    border-radius:2px;
    background:var(--lime);
    box-shadow:0 8px 0 var(--lime);
  }
  .brand-text{
    font-size:17px;
    font-weight:700;
    color:var(--ink);
    letter-spacing:-.01em;
    white-space:nowrap;
  }

  .nav-links{
    display:flex;
    align-items:center;
    gap:8px;
    margin-left:auto;
  }
  .nav-item{
    display:inline-flex;
    align-items:center;
    gap:8px;
    height:42px;
    padding:0 14px;
    border-radius:10px;
    background:var(--surface-2);
    border:1px solid transparent;
    color:var(--ink-2);
    font-size:14px;
    font-weight:500;
    white-space:nowrap;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .nav-item:hover{
    background:#fff;
    border-color:var(--brand-700);
    color:var(--brand-700);
  }
  .nav-dot{
    width:6px;
    height:6px;
    border-radius:2px;
    background:currentColor;
    opacity:.35;
    flex:0 0 auto;
  }
  .nav-item.is-active{
    background:var(--brand-100);
    color:var(--brand-700);
    font-weight:700;
    border-color:rgba(12,74,60,.18);
    box-shadow:inset 3px 0 0 var(--brand-700);
  }
  .nav-item.is-active .nav-dot{opacity:1;}

  .nav-actions{
    display:flex;
    align-items:center;
    gap:12px;
    flex:0 0 auto;
  }
  .nav-ghost{
    font-size:14px;
    font-weight:600;
    color:var(--brand-700);
    text-decoration:none;
    white-space:nowrap;
    transition:color .2s var(--ease);
  }
  .nav-ghost:hover{color:var(--accent);}
  .nav-toggle{
    display:none;
    width:44px;
    height:44px;
    align-items:center;
    justify-content:center;
    border-radius:10px;
    border:1px solid var(--border);
    background:var(--surface-2);
    color:var(--brand-700);
    cursor:pointer;
  }
  .nav-toggle svg{width:22px;height:22px;}

  .nav-drawer{
    display:none;
    margin-top:10px;
    padding:16px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-2);
  }
  .nav-drawer.is-open{display:block;}
  .drawer-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
  }
  .drawer-grid .nav-item{height:52px;justify-content:flex-start;}
  .drawer-cta{
    display:block;
    width:100%;
    margin-top:12px;
    text-align:center;
  }

  @media (max-width:1023px){
    .nav-links{display:none;}
    .nav-actions .nav-ghost{display:none;}
    .nav-toggle{display:inline-flex;}
  }
  @media (max-width:520px){
    .brand-text{font-size:16px;}
    .nav-actions .btn{display:none;}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    border-radius:var(--r-md);
    border:1.5px solid transparent;
    font-size:15px;
    font-weight:600;
    line-height:1.2;
    text-decoration:none;
    cursor:pointer;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
  }
  .btn-primary{
    background:var(--accent);
    color:#fff;
    box-shadow:var(--sh-1);
  }
  .btn-primary:hover{
    background:var(--accent-600);
    box-shadow:var(--sh-2);
    transform:translateY(-1px);
    color:#fff;
  }
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{
    background:transparent;
    border-color:var(--brand-700);
    color:var(--brand-700);
  }
  .btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);}
  .btn-light{
    background:transparent;
    border-color:rgba(255,255,255,.45);
    color:#fff;
  }
  .btn-light:hover{background:rgba(255,255,255,.12);color:#fff;}
  .btn-sm{padding:10px 18px;font-size:14px;border-radius:10px;}
  .btn[disabled],.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}

  .text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--brand-700);
  }
  .text-link svg{width:16px;height:16px;transition:transform .2s var(--ease);}
  .text-link:hover{text-decoration:underline;text-underline-offset:4px;}
  .text-link:hover svg{transform:translateX(4px);}

  /* ---------- 内页 Hero ---------- */
  .page-hero{
    position:relative;
    margin-top:8px;
    border-radius:var(--r-xl);
    overflow:hidden;
    background-image:linear-gradient(120deg,rgba(6,42,35,.92) 0%,rgba(12,74,60,.72) 60%,rgba(12,74,60,.6) 100%),url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    color:#F3F6F2;
  }
  .page-hero-inner{
    min-height:280px;
    padding:40px 28px 44px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:16px;
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:rgba(243,246,242,.75);
    flex-wrap:wrap;
  }
  .breadcrumb a{color:rgba(243,246,242,.85);}
  .breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
  .breadcrumb .sep{opacity:.5;}
  .page-hero h1{
    font-size:clamp(30px,4.6vw,46px);
    line-height:1.22;
    font-weight:800;
    letter-spacing:-.02em;
    color:#fff;
  }
  .page-hero .hero-scope{
    max-width:720px;
    font-size:16px;
    line-height:1.8;
    color:rgba(243,246,242,.86);
  }
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;}
  .hero-tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:6px 14px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.28);
    background:rgba(255,255,255,.1);
    font-size:12px;
    font-weight:600;
    letter-spacing:.04em;
    color:#F3F6F2;
  }

  /* ---------- 区块标题 ---------- */
  .section-head{max-width:740px;margin-bottom:36px;}
  .section-head h2{
    font-size:clamp(24px,2.6vw,34px);
    line-height:1.3;
    font-weight:700;
    color:var(--ink);
    letter-spacing:-.01em;
  }
  .section-head p{margin-top:12px;font-size:16px;line-height:1.8;color:var(--muted);}
  .section-head .accent-bar{
    display:block;
    width:56px;
    height:4px;
    border-radius:2px;
    background:var(--accent);
    margin-bottom:18px;
  }

  /* ---------- 信息卡 ---------- */
  .info-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-1);
    padding:28px;
    transition:box-shadow .2s var(--ease),transform .2s var(--ease);
  }
  .info-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
  .icon-block{
    width:52px;
    height:52px;
    border-radius:var(--r-md);
    background:var(--brand-100);
    border:1px solid rgba(12,74,60,.14);
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--brand-700);
    margin-bottom:18px;
  }
  .icon-block svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
  .info-card h3{font-size:20px;line-height:1.42;font-weight:600;color:var(--ink);}
  .info-card .card-sub{margin-top:10px;font-size:15px;line-height:1.8;color:var(--muted);}
  .bullet-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
  .bullet-list li{
    position:relative;
    padding-left:20px;
    font-size:15px;
    line-height:1.8;
    color:var(--ink-2);
  }
  .bullet-list li::before{
    content:"";
    position:absolute;
    left:0;
    top:.72em;
    width:8px;
    height:8px;
    border-radius:2px;
    background:var(--brand-500);
  }

  /* ---------- 深色资料带 ---------- */
  .dark-band{
    background:linear-gradient(160deg,var(--brand-900),var(--brand-700));
    color:#F3F6F2;
    border-radius:var(--r-xl);
    padding:36px 28px;
    position:relative;
    overflow:hidden;
  }
  .dark-band::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px);
    background-size:56px 56px;
    opacity:.06;
    pointer-events:none;
  }
  .dark-band-grid{
    position:relative;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:0;
  }
  .band-item{padding:8px 20px;border-left:1px solid rgba(255,255,255,.14);}
  .band-item:first-child{border-left:0;padding-left:0;}
  .band-num{
    font-size:clamp(34px,4vw,48px);
    font-weight:800;
    line-height:1.1;
    font-variant-numeric:tabular-nums;
    color:#fff;
  }
  .band-num em{font-style:normal;color:var(--lime);}
  .band-label{margin-top:8px;font-size:14px;color:rgba(243,246,242,.76);}
  @media (max-width:1023px){
    .dark-band-grid{grid-template-columns:1fr 1fr;gap:18px 0;}
    .band-item:nth-child(3){border-left:0;padding-left:0;}
  }
  @media (max-width:520px){
    .band-item{padding:8px 14px;}
  }

  /* ---------- FAQ ---------- */
  .faq-list{max-width:860px;margin:0 auto;}
  .faq-item{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--r-md);
    box-shadow:var(--sh-1);
    overflow:hidden;
    transition:box-shadow .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
  }
  .faq-item + .faq-item{margin-top:12px;}
  .faq-item:hover{border-color:rgba(12,74,60,.28);}
  .faq-item[open]{
    background:#FCFBF6;
    border-color:rgba(12,74,60,.3);
    box-shadow:inset 4px 0 0 var(--brand-700),var(--sh-2);
  }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 24px;
    font-size:17px;
    font-weight:600;
    color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .chev{
    flex:0 0 auto;
    width:20px;
    height:20px;
    color:var(--brand-700);
    transition:transform .2s var(--ease);
  }
  .faq-item[open] summary .chev{transform:rotate(180deg);}
  .faq-body{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);}
  @media (max-width:520px){
    .faq-item summary{padding:16px 18px;font-size:16px;}
    .faq-body{padding:0 18px 18px;}
  }

  /* ---------- 步骤列表 ---------- */
  .steps{max-width:860px;margin:0 auto;}
  .step{
    display:flex;
    gap:20px;
    padding:24px 0;
    border-bottom:1px dashed var(--border);
  }
  .step:first-child{padding-top:0;}
  .step:last-child{border-bottom:0;padding-bottom:0;}
  .step-num{
    flex:0 0 auto;
    width:48px;
    height:48px;
    border-radius:var(--r-md);
    background:var(--brand-100);
    border:1px solid rgba(12,74,60,.16);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:16px;
    font-weight:800;
    font-variant-numeric:tabular-nums;
    color:var(--brand-700);
  }
  .step h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--ink);}
  .step p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--muted);}

  /* ---------- 名词表 ---------- */
  .figure-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-1);
    overflow:hidden;
  }
  .figure-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .figure-card figcaption{
    padding:16px 18px;
    font-size:13px;
    line-height:1.7;
    color:var(--muted);
    border-top:1px solid var(--border);
  }
  .table-wrap{
    border:1px solid var(--border);
    border-radius:var(--r-md);
    box-shadow:var(--sh-1);
    overflow-x:auto;
    background:var(--surface);
  }
  .rules-table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px;}
  .rules-table th{
    background:var(--brand-900);
    color:#F3F6F2;
    text-align:left;
    font-size:14px;
    font-weight:600;
    padding:14px 18px;
    white-space:nowrap;
  }
  .rules-table td{
    padding:14px 18px;
    border-bottom:1px solid var(--border);
    color:var(--ink-2);
    line-height:1.7;
  }
  .rules-table tbody tr:nth-child(even) td{background:#FBFAF5;}
  .rules-table tbody tr:last-child td{border-bottom:0;}

  .pill{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 12px;
    border-radius:999px;
    background:var(--brand-100);
    color:var(--brand-700);
    font-size:12px;
    font-weight:600;
    letter-spacing:.04em;
  }
  .pill-accent{background:var(--accent);color:#fff;}

  /* ---------- 底部 CTA ---------- */
  .cta-band{
    background:linear-gradient(135deg,var(--brand-900),var(--brand-700));
    border-radius:var(--r-xl);
    padding:32px 28px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    color:#F3F6F2;
    box-shadow:var(--sh-3);
  }
  .cta-band h2{font-size:clamp(20px,2.2vw,26px);line-height:1.4;font-weight:700;color:#fff;}
  .cta-band p{margin-top:8px;font-size:15px;line-height:1.8;color:rgba(243,246,242,.8);max-width:640px;}
  @media (max-width:768px){
    .cta-band{flex-direction:column;align-items:flex-start;}
    .cta-band .btn{width:100%;}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:96px;
    background:linear-gradient(180deg,var(--brand-900),var(--brand-700));
    color:#F3F6F2;
    padding-top:64px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:40px;
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:18px;
    font-weight:700;
    color:#fff;
  }
  .site-footer .brand-mark{background:linear-gradient(135deg,var(--lime),var(--brand-500));}
  .site-footer .brand-mark::after{background:rgba(6,42,35,.65);box-shadow:0 8px 0 rgba(6,42,35,.65);}
  .footer-desc{
    margin-top:16px;
    max-width:330px;
    font-size:14px;
    line-height:1.8;
    color:rgba(243,246,242,.72);
  }
  .qr-box{
    width:76px;
    height:76px;
    margin-top:18px;
    border-radius:var(--r-md);
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.18);
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .qr-box svg{width:38px;height:38px;fill:rgba(243,246,242,.85);}
  .footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{
    font-size:14px;
    color:rgba(243,246,242,.72);
    transition:color .2s var(--ease),transform .2s var(--ease);
  }
  .footer-links a:hover{color:#fff;transform:translateX(2px);}
  .footer-bottom{
    margin-top:48px;
    border-top:1px solid rgba(255,255,255,.1);
    padding:20px 0 28px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    flex-wrap:wrap;
    font-size:13px;
    color:rgba(243,246,242,.6);
  }
  @media (max-width:1023px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:520px){
    .footer-grid{grid-template-columns:1fr;}
    .site-footer{margin-top:64px;padding-top:48px;}
  }

  /* ---------- 入场动效 ---------- */
  .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
  .reveal.is-visible{opacity:1;transform:none;}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none;}
    *{transition:none !important;}
  }