/* roulang page: index */
:root{
  --brand-900:#06302E;
  --brand-800:#0A3D3A;
  --brand-700:#0E4A46;
  --brand-500:#14756C;
  --brand-300:#6FB3AA;
  --accent-500:#F0763A;
  --accent-600:#D9612A;
  --accent-100:#FFE8DA;
  --lime:#CDF25A;
  --paper:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E3DFD6;
  --text:#1B2320;
  --muted:#5D6B66;
  --ok:#1E8E6A;
  --warn:#D98B1F;
  --err:#C2452D;
  --r-card:14px;
  --r-panel:18px;
  --r-btn:10px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(15,32,30,.06),0 8px 24px -12px rgba(15,32,30,.18);
  --sh-2:0 2px 6px rgba(15,32,30,.10),0 18px 40px -18px rgba(15,32,30,.28);
  --container:1200px;
  --ease:160ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--accent-500);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
h1,h2,h3,h4{margin:0;color:var(--brand-900);letter-spacing:.5px;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
@media (min-width:1440px){:root{--container:1280px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);border:1px solid transparent;
  font-weight:600;font-size:15px;line-height:1.2;letter-spacing:.5px;
  transition:all var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-outline{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-outline:hover{background:var(--accent-100);border-color:var(--accent-500);color:var(--brand-700);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.8);color:#fff;}
.btn-lime{background:var(--lime);color:var(--brand-900);}
.btn-lime:hover{background:#bde84a;color:var(--brand-900);transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;}
.badge-cat{background:var(--accent-100);color:var(--brand-700);}
.badge-ok{background:rgba(30,142,106,.12);color:var(--ok);}
.badge-warn{background:rgba(217,139,31,.14);color:#9a6312;}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--brand-900);transition:box-shadow var(--ease);}
.site-header.is-scrolled{box-shadow:0 8px 28px -14px rgba(6,48,46,.75);}
.header-bar{border-bottom:1px solid rgba(255,255,255,.08);}
.header-inner{
  display:flex;align-items:center;gap:24px;height:74px;
  transition:height var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-700));
  border:1px solid rgba(205,242,90,.35);
  display:grid;place-items:center;color:var(--lime);font-weight:800;font-size:17px;letter-spacing:0;
}
.brand-text{color:#fff;font-weight:700;font-size:17px;letter-spacing:.8px;line-height:1.2;}
.brand-text small{display:block;font-size:11px;font-weight:400;color:rgba(255,255,255,.55);letter-spacing:1.2px;}
.brand:hover .brand-text{color:#fff;}

.search{
  flex:1 1 auto;max-width:560px;margin:0 auto;
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 6px 0 14px;height:44px;transition:all var(--ease);
}
.search:focus-within{border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(255,232,218,.85);}
.search svg{flex:0 0 auto;color:var(--brand-500);}
.search input{
  flex:1 1 auto;border:0;background:transparent;height:42px;padding:0;
  color:var(--text);outline:none;font-size:15px;
}
.search input::placeholder{color:var(--muted);}
.search button{
  border:0;background:var(--brand-700);color:#fff;border-radius:9px;
  padding:0 16px;height:32px;font-size:14px;font-weight:600;transition:background var(--ease);
}
.search button:hover{background:var(--accent-500);}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.header-actions .link-quiet{color:rgba(255,255,255,.78);font-size:14px;}
.header-actions .link-quiet:hover{color:var(--lime);}
.search-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.28);border-radius:9px;color:#fff;width:40px;height:40px;place-items:center;}
.search-toggle:hover{border-color:var(--lime);color:var(--lime);}
.nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.28);border-radius:9px;color:#fff;width:40px;height:40px;place-items:center;}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime);}

.cat-nav{background:var(--brand-800);}
.cat-nav-inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;}
.cat-nav-inner::-webkit-scrollbar{display:none;}
.cat-link{
  flex:0 0 auto;color:rgba(255,255,255,.76);font-size:14px;padding:7px 16px;border-radius:999px;
  border:1px solid transparent;transition:all var(--ease);position:relative;
}
.cat-link:hover{color:#fff;border-color:rgba(255,255,255,.24);}
.cat-link.active{background:var(--brand-700);color:#fff;border-color:rgba(205,242,90,.35);}
.cat-link.active::after{
  content:"";position:absolute;left:50%;bottom:-9px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:3px;background:var(--accent-500);
}

/* ============ Hero ============ */
.hero{
  position:relative;background:var(--brand-900);color:#fff;overflow:hidden;
  padding:72px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(111,179,170,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(111,179,170,.6) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 70% 30%,#000 10%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 70% 30%,#000 10%,transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1.6px;
  color:var(--lime);border:1px solid rgba(205,242,90,.35);border-radius:999px;padding:6px 14px;margin-bottom:22px;
}
.hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:700;letter-spacing:.6px;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{font-size:17px;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:rgba(255,255,255,.66);}
.hero-trust li{display:flex;align-items:center;gap:8px;}
.hero-trust li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-300);flex:0 0 auto;}
.hero-media{position:relative;border-radius:var(--r-panel);overflow:hidden;box-shadow:var(--sh-2);background:#0b3a37;}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.float-card{
  position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.96);
  border-radius:12px;padding:14px 18px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:2px;
}
.float-card strong{font-size:24px;color:var(--brand-700);line-height:1.1;}
.float-card span{font-size:12px;color:var(--muted);}

/* ============ 快捷入口 ============ */
.quick-wrap{margin-top:-34px;position:relative;z-index:5;}
.quick-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:22px;box-shadow:var(--sh-2);
}
.quick-item{
  display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border-radius:var(--r-card);
  border:1px solid transparent;transition:all var(--ease);
}
.quick-item:hover{background:var(--paper);border-color:var(--brand-300);transform:translateY(-2px);}
.quick-icon{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;
  background:var(--accent-100);color:var(--brand-700);
}
.quick-item h3{font-size:16px;margin-bottom:2px;}
.quick-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.6;}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.section-title{position:relative;padding-left:16px;font-size:clamp(24px,2.8vw,32px);line-height:1.35;}
.section-title::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:24px;border-radius:3px;background:var(--accent-500);
}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px;}

/* ============ 三步上手 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px 26px;box-shadow:var(--sh-1);transition:all var(--ease);
}
.step-card:hover{transform:translateY(-2px);border-color:var(--brand-300);box-shadow:var(--sh-2);}
.step-no{
  font-size:56px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:2px var(--accent-500);letter-spacing:2px;margin-bottom:6px;
}
.step-card h3{font-size:20px;margin-bottom:10px;}
.step-card p{font-size:15px;color:var(--muted);margin:0;}
.step-line{position:absolute;right:-14px;top:52px;width:28px;border-top:2px dashed var(--brand-300);}
.step-card:last-child .step-line{display:none;}

/* ============ 案例区 ============ */
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.case-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:all var(--ease);display:flex;flex-direction:column;
}
.case-main:hover{border-color:var(--brand-300);box-shadow:var(--sh-2);transform:translateY(-2px);}
.case-main .cover{aspect-ratio:16/9;overflow:hidden;background:var(--paper);}
.case-main .cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease;}
.case-main:hover .cover img{transform:scale(1.03);}
.case-body{padding:26px 28px 28px;}
.case-body h3{font-size:22px;margin:12px 0 10px;}
.case-body p{color:var(--muted);font-size:15px;margin-bottom:14px;}
.case-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.case-mini{
  display:grid;grid-template-columns:4fr 6fr;gap:16px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-1);transition:all var(--ease);
}
.case-mini:hover{border-color:var(--brand-300);box-shadow:var(--sh-2);transform:translateY(-2px);}
.case-mini img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;background:var(--paper);}
.case-mini h4{font-size:16px;margin:8px 0 6px;line-height:1.5;}
.case-mini p{font-size:13px;color:var(--muted);margin:0;line-height:1.6;}

.stats{
  margin-top:36px;display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--brand-900);border-radius:var(--r-panel);padding:32px 24px;color:#fff;
}
.stat{text-align:center;padding:0 14px;border-right:1px solid rgba(255,255,255,.12);}
.stat:last-child{border-right:0;}
.stat strong{display:block;font-size:30px;font-weight:700;color:var(--lime);line-height:1.2;letter-spacing:.5px;}
.stat span{font-size:13px;color:rgba(255,255,255,.7);}

/* ============ 资讯列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:all var(--ease);
}
.post-card:hover{transform:translateY(-2px);border-color:var(--brand-300);box-shadow:var(--sh-2);}
.post-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--paper);}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-title{font-size:17px;line-height:1.55;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-title a{color:var(--brand-900);}
.post-title a:hover{color:var(--accent-500);}
.post-sum{
  font-size:14px;color:var(--muted);margin:0 0 16px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;
}
.post-meta a{font-weight:600;}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-panel);text-align:center;padding:32px;
}
.empty-state .dot{
  width:56px;height:56px;border-radius:50%;background:var(--paper);display:grid;place-items:center;color:var(--brand-300);
}
.empty-state p{margin:0;font-size:14px;color:var(--muted);}
.more-link{font-size:14px;font-weight:600;color:var(--brand-700);white-space:nowrap;}
.more-link:hover{color:var(--accent-500);text-decoration:underline;text-underline-offset:3px;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start;}
.faq-aside p{color:var(--muted);font-size:15px;}
.faq-list{display:grid;gap:14px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color var(--ease);}
.faq-item.open{border-color:var(--brand-300);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;padding:18px 22px;
  font-size:17px;font-weight:600;color:var(--brand-900);
}
.faq-q .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform 220ms ease,color 220ms ease;color:var(--brand-500);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
}
.faq-q .plus::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-q .plus::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item.open .faq-q .plus{transform:rotate(45deg);color:var(--accent-500);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease;}
.faq-a p{margin:0;padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ============ CTA ============ */
.cta{background:var(--brand-900);color:#fff;padding:76px 0;}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;}
.cta h2{color:#fff;font-size:clamp(24px,2.8vw,32px);line-height:1.35;margin-bottom:16px;}
.cta p{color:rgba(255,255,255,.76);font-size:16px;}
.cta-notes{display:grid;gap:12px;margin-top:24px;}
.cta-notes li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.86);}
.cta-notes li::before{
  content:"";flex:0 0 auto;margin-top:9px;width:7px;height:7px;border-radius:50%;background:var(--lime);
}
.form-card{
  background:var(--surface);border-radius:var(--r-panel);padding:32px;box-shadow:var(--sh-2);color:var(--text);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-hint{font-size:13px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:7px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);background:#fff;
  padding:13px 14px;color:var(--text);outline:none;transition:all var(--ease);
}
.field input{height:46px;padding:0 14px;}
.field textarea{resize:vertical;min-height:88px;line-height:1.7;}
.field input:focus,.field textarea:focus{border-color:var(--brand-700);box-shadow:0 0 0 3px var(--accent-100);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.privacy{font-size:12px;color:var(--muted);margin:14px 0 0;text-align:center;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-text{font-size:16px;}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);margin:18px 0 0;line-height:1.8;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.8px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,.footer-col li{color:rgba(255,255,255,.66);font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .section{padding:56px 0;}
  .hero{padding:56px 0 76px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{max-width:560px;}
  .case-grid{grid-template-columns:1fr;}
  .case-side{grid-template-columns:1fr 1fr;grid-template-rows:auto;}
  .steps{grid-template-columns:1fr;}
  .step-line{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .stat:nth-child(2){border-right:0;}
  .faq-grid{grid-template-columns:1fr;gap:24px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .search{max-width:420px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:40px 0;}
  .header-inner{height:62px;gap:12px;}
  .brand-text small{display:none;}
  .search{display:none;}
  .search-toggle{display:grid;}
  .nav-toggle{display:grid;}
  .header-actions .link-quiet{display:none;}
  .header-bar.search-open .header-inner{flex-wrap:wrap;height:auto;padding-bottom:14px;}
  .header-bar.search-open .search{display:flex;flex:1 1 100%;max-width:none;order:9;margin:0;}
  .cat-nav{display:none;}
  .cat-nav.open{display:block;}
  .cat-nav-inner{flex-direction:column;align-items:stretch;height:auto;padding:10px 16px 16px;overflow:visible;}
  .cat-link{border-radius:10px;padding:12px 14px;font-size:15px;}
  .cat-link.active::after{display:none;}
  .hero h1{font-size:26px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .quick-wrap{margin-top:-24px;}
  .quick-grid{grid-template-columns:1fr;padding:14px;gap:6px;}
  .post-grid{grid-template-columns:1fr;}
  .case-side{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;padding:24px 16px;}
  .stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding:14px 0;}
  .stat:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .field-row{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .section-head.row{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .btn{padding:13px 20px;font-size:14px;}
  .quick-item{padding:12px 10px;}
  .post-body{padding:16px;}
  .case-body{padding:20px;}
}

/* roulang page: article */
:root{
  --brand-900:#06302E;
  --brand-700:#0E4A46;
  --brand-500:#14756C;
  --brand-300:#6FB3AA;
  --accent-500:#F0763A;
  --accent-600:#DE6529;
  --accent-100:#FFE8DA;
  --lime-400:#CDF25A;
  --paper:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E3DFD6;
  --text:#1B2320;
  --muted:#5D6B66;
  --ok:#1E8E6A;
  --warn:#D98B1F;
  --err:#C2452D;
  --r-card:14px;
  --r-panel:18px;
  --r-btn:10px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(15,32,30,.06),0 8px 24px -12px rgba(15,32,30,.18);
  --shadow-2:0 2px 4px rgba(15,32,30,.08),0 18px 42px -16px rgba(15,32,30,.30);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .16s ease,border-color .16s ease,background-color .16s ease;}
a:hover{color:var(--accent-500);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:.6px;color:var(--text);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.5px;
  border-radius:var(--r-btn);padding:14px 26px;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:transform .16s ease,background-color .16s ease,box-shadow .16s ease,color .16s ease,border-color .16s ease;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 10px 22px -14px rgba(240,118,58,.95);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost:hover{background:var(--accent-100);border-color:var(--accent-500);color:var(--brand-700);}
.btn-ghost:active{transform:translateY(1px);}
.btn-lime{background:var(--lime-400);color:var(--brand-900);}
.btn-lime:hover{background:#c2ea48;color:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.header-bar{background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.is-scrolled .header-bar{box-shadow:var(--shadow-1);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:78px;transition:min-height .2s ease;}
.site-header.is-scrolled .header-inner{min-height:66px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:var(--brand-900);color:var(--lime-400);
  display:grid;place-items:center;font-size:19px;font-weight:700;letter-spacing:0;
  box-shadow:0 8px 18px -12px rgba(6,48,46,.9);
}
.brand-text{display:flex;flex-direction:column;font-size:17px;font-weight:700;line-height:1.25;letter-spacing:.5px;white-space:nowrap;}
.brand-text small{font-size:11px;font-weight:400;color:var(--muted);letter-spacing:1px;margin-top:2px;}
.search{
  flex:1 1 auto;max-width:560px;height:44px;display:flex;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 6px 0 14px;color:var(--muted);transition:border-color .16s ease,box-shadow .16s ease;
}
.search:focus-within{border-color:var(--brand-700);box-shadow:0 0 0 3px var(--accent-100);}
.search input{flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;color:var(--text);height:100%;font-size:15px;}
.search input::placeholder{color:var(--muted);}
.search button{
  flex:0 0 auto;border:0;border-radius:8px;background:var(--brand-700);color:#fff;
  font-size:13px;font-weight:600;padding:9px 16px;cursor:pointer;transition:background-color .16s ease;
}
.search button:hover{background:var(--brand-500);}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.link-quiet{font-size:14px;font-weight:500;color:var(--muted);}
.link-quiet:hover{color:var(--accent-500);}
.search-toggle,.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand-700);align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .16s ease,background-color .16s ease;
}
.search-toggle:hover,.nav-toggle:hover{border-color:var(--brand-300);background:var(--paper);}
.cat-nav{background:var(--surface);border-bottom:1px solid var(--line);}
.cat-nav-inner{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none;}
.cat-nav-inner::-webkit-scrollbar{display:none;}
.cat-link{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);
  border:1px solid transparent;transition:all .16s ease;white-space:nowrap;
}
.cat-link:hover{color:var(--brand-700);background:var(--paper);border-color:var(--line);}
.cat-link.active{background:var(--brand-700);color:#fff;border-color:var(--brand-700);}
.cat-link.active:hover{background:var(--brand-500);color:#fff;}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:14px;color:var(--muted);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"";width:6px;height:6px;border-right:1.6px solid var(--brand-300);border-top:1.6px solid var(--brand-300);transform:rotate(45deg);display:inline-block;}
.crumb a{color:var(--brand-700);font-weight:500;}
.crumb a:hover{color:var(--accent-500);}
.crumb .current{color:var(--muted);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{padding:26px 0 28px;border-bottom:1px solid var(--line);}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;background:var(--accent-100);color:var(--brand-700);
  border-radius:999px;padding:5px 14px;font-size:12px;font-weight:600;letter-spacing:.6px;
}
.article-title{font-size:clamp(28px,3.6vw,42px);line-height:1.3;font-weight:700;margin:18px 0 20px;max-width:940px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:14px;color:var(--muted);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--brand-300);display:inline-block;}
.share{margin-left:auto;display:flex;align-items:center;gap:8px;}
.share-label{font-size:13px;color:var(--muted);letter-spacing:.5px;}
.share-btn{
  width:36px;height:36px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  color:var(--muted);display:grid;place-items:center;cursor:pointer;transition:all .16s ease;
}
.share-btn:hover{color:var(--brand-700);border-color:var(--brand-300);background:var(--paper);transform:translateY(-1px);}
.share-btn:active{transform:translateY(0);}

/* ---------- 布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:40px 0 72px;align-items:start;}
.article-main{min-width:0;max-width:800px;}
.article-side{min-width:0;}

/* ---------- 正文 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--text);}
.article-body>p:first-of-type{font-size:17.5px;color:#28302C;}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);line-height:1.4;font-weight:700;color:var(--brand-700);
  margin:2.6em 0 .9em;padding-left:16px;position:relative;letter-spacing:.6px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--accent-500);}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--text);margin:2em 0 .75em;}
.article-body h4{font-size:17px;line-height:1.6;font-weight:600;color:var(--brand-700);margin:1.6em 0 .6em;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.3em;}
.article-body li{margin-bottom:8px;line-height:1.9;}
.article-body li::marker{color:var(--accent-500);}
.article-body a{color:var(--brand-700);border-bottom:1px solid var(--accent-100);font-weight:500;}
.article-body a:hover{color:var(--accent-500);border-bottom-color:var(--accent-500);}
.article-body img{border-radius:12px;margin:1.6em 0 .6em;width:100%;background:var(--paper);border:1px solid var(--line);}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--accent-100);
  border-left:3px solid var(--accent-500);border-radius:0 12px 12px 0;color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 16px;text-align:left;}
.article-body th{background:var(--paper);font-weight:600;color:var(--brand-700);}
.article-body code{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:.9em;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center;}
.article-note{
  margin-top:36px;padding:18px 20px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:var(--surface);font-size:14px;line-height:1.8;color:var(--muted);
}
.article-note strong{color:var(--brand-700);}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-panel);
  padding:64px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-icon{
  width:64px;height:64px;border-radius:50%;background:var(--paper);border:1px solid var(--line);
  display:grid;place-items:center;margin:0 auto 18px;color:var(--brand-500);
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--muted);max-width:460px;margin:0 auto 22px;}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-1);margin-bottom:20px;
}
.side-card h3{
  font-size:16px;font-weight:700;color:var(--text);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;letter-spacing:.6px;
}
.side-card h3::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--accent-500);}
.toc-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.toc-toggle{
  border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:12px;
  border-radius:999px;padding:4px 12px;cursor:pointer;transition:all .16s ease;
}
.toc-toggle:hover{border-color:var(--brand-300);color:var(--brand-700);}
.toc-list{margin-top:6px;}
.toc-list.is-collapsed{display:none;}
.toc-list a{
  display:block;font-size:14px;color:var(--muted);padding:9px 12px;border-radius:8px;
  border-left:3px solid transparent;line-height:1.6;
}
.toc-list a:hover{background:var(--paper);color:var(--brand-700);border-left-color:var(--accent-500);}
.mini-list{display:flex;flex-direction:column;gap:14px;}
.mini-item{display:flex;gap:12px;align-items:flex-start;}
.mini-item img{width:78px;height:54px;flex:0 0 78px;border-radius:9px;object-fit:cover;border:1px solid var(--line);background:var(--paper);}
.mini-item a{font-size:14px;font-weight:600;line-height:1.55;color:var(--text);display:block;}
.mini-item a:hover{color:var(--accent-500);}
.mini-item span{display:block;font-size:12px;color:var(--muted);margin-top:4px;}
.side-cta{background:var(--brand-900);border-color:var(--brand-900);color:#fff;}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:var(--lime-400);}
.side-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.78);margin-bottom:16px;}
.side-cta .btn-lime{width:100%;padding:12px 18px;font-size:14px;}

/* ---------- 相关推荐 ---------- */
.section{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;}
.section-head p{font-size:14px;color:var(--muted);margin:8px 0 0;}
.section-head .more{font-size:14px;font-weight:600;color:var(--brand-700);white-space:nowrap;}
.section-head .more:hover{color:var(--accent-500);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-300);}
.card-thumb{position:relative;aspect-ratio:16/9;background:var(--paper);overflow:hidden;}
.card-thumb img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body .badge-cat{align-self:flex-start;margin-bottom:12px;}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body h3 a{color:var(--text);}
.card-body h3 a:hover{color:var(--accent-500);}
.card-body p{font-size:14px;line-height:1.75;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;}

/* ---------- 返回 + 上下篇 ---------- */
.back-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;padding-top:8px;}
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px;}
.post-nav a{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;transition:all .18s ease;
}
.post-nav a:hover{border-color:var(--brand-300);box-shadow:var(--shadow-1);transform:translateY(-2px);}
.post-nav .pn-label{display:block;font-size:12px;color:var(--muted);letter-spacing:1px;margin-bottom:8px;}
.post-nav .pn-title{display:block;font-size:15px;font-weight:600;color:var(--text);line-height:1.6;}
.post-nav a:hover .pn-title{color:var(--brand-700);}
.post-nav .next{text-align:right;}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-900);color:#fff;border-radius:0;}
.cta-band-inner{display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;padding:56px 0;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;}
.cta-band p{color:rgba(255,255,255,.76);font-size:15px;margin:12px 0 0;max-width:620px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.cta-points span{
  font-size:12px;color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:6px 14px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);margin-top:0;}
.site-footer .container{padding-top:64px;padding-bottom:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.6);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px;margin:0;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.8px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.7);line-height:1.7;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--lime-400);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;font-size:12px;
  color:rgba(255,255,255,.6);line-height:1.7;
}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--container:1280px;}
}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:56px;}
  .article-side{position:sticky;top:150px;}
}
@media (min-width:992px) and (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:36px;}
  .article-side{position:sticky;top:140px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .brand-text{font-size:16px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-layout{padding:32px 0 56px;gap:36px;}
  .article-main{max-width:none;}
  .section{padding:56px 0;}
  .cta-band-inner{padding:44px 0;}
}
@media (max-width:900px){
  .header-inner{flex-wrap:wrap;row-gap:10px;padding-top:12px;padding-bottom:12px;min-height:0;}
  .site-header.is-scrolled .header-inner{min-height:0;}
  .search{order:5;display:none;max-width:none;flex:1 1 100%;width:100%;}
  .site-header.search-open .search{display:flex;}
  .search-toggle{display:inline-flex;}
  .nav-toggle{display:inline-flex;}
  .link-quiet{display:none;}
  .cat-nav{display:none;}
  .site-header.nav-open .cat-nav{display:block;}
  .cat-nav-inner{flex-direction:column;align-items:stretch;height:auto;padding:12px 0 16px;gap:6px;}
  .cat-link{width:100%;text-align:left;padding:11px 14px;border-radius:10px;}
  .cat-link.active{background:var(--brand-700);}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .brand-text small{display:none;}
  .crumb .current{max-width:200px;}
  .article-layout{padding:24px 0 48px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-note{padding:16px;}
  .card-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .next{text-align:left;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;}
  .share{margin-left:0;width:100%;}
  .section{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}
@media (max-width:480px){
  .article-title{font-size:26px;}
  .btn{padding:13px 20px;}
  .btn-block-xs{width:100%;}
  .card-body{padding:16px;}
  .side-card{padding:16px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#06302E;
  --brand-700:#0E4A46;
  --brand-500:#14756C;
  --brand-300:#6FB3AA;
  --accent-500:#F0763A;
  --accent-100:#FFE8DA;
  --lime-400:#CDF25A;
  --paper:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E3DFD6;
  --text:#1B2320;
  --muted:#5D6B66;
  --ok:#1E8E6A;
  --warn:#D98B1F;
  --err:#C2452D;
  --r-card:14px;
  --r-panel:18px;
  --r-btn:10px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(15,32,30,.06),0 8px 24px -12px rgba(15,32,30,.18);
  --shadow-2:0 2px 6px rgba(15,32,30,.09),0 20px 44px -18px rgba(15,32,30,.30);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit}
a{color:var(--brand-700);text-decoration:none;transition:color .16s ease,background-color .16s ease,border-color .16s ease}
a:hover{color:var(--accent-500)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:.5px;color:var(--brand-900);line-height:1.35}
h1{font-size:clamp(30px,4.2vw,46px);font-weight:700;line-height:1.25}
h2{font-size:clamp(24px,2.8vw,32px);font-weight:700}
h3{font-size:20px;font-weight:700;line-height:1.5}
h4{font-size:17px;font-weight:600;line-height:1.6}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-stuck{box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:76px}
.site-header.is-stuck .header-inner{min-height:64px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--brand-900)}
.brand:hover{color:var(--brand-900)}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:var(--brand-900);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;letter-spacing:0;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;font-size:17px;font-weight:700;line-height:1.25;letter-spacing:.5px}
.brand-text small{font-size:12px;font-weight:400;color:var(--muted);letter-spacing:.4px}
.search{
  flex:1 1 auto;max-width:560px;min-width:220px;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 6px 0 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-input);
  color:var(--muted);transition:border-color .16s ease,box-shadow .16s ease;
}
.search:focus-within{border-color:var(--brand-700);box-shadow:0 0 0 3px var(--accent-100)}
.search input{flex:1 1 auto;min-width:0;border:0;background:transparent;height:40px;outline:none;font-size:14px}
.search input::placeholder{color:var(--muted)}
.search button{
  border:0;cursor:pointer;height:32px;padding:0 16px;border-radius:8px;
  background:var(--brand-700);color:#fff;font-size:13px;font-weight:600;
  transition:background-color .16s ease,transform .16s ease;
}
.search button:hover{background:var(--accent-500)}
.search button:active{transform:translateY(1px)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.link-quiet{font-size:14px;color:var(--muted);white-space:nowrap}
.link-quiet:hover{color:var(--accent-500)}
.search-toggle,.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);color:var(--brand-700);cursor:pointer;
  transition:border-color .16s ease,background-color .16s ease;
}
.search-toggle:hover,.nav-toggle:hover{border-color:var(--brand-300);background:var(--paper)}

.cat-nav{border-top:1px solid var(--line);background:var(--surface)}
.cat-nav-inner{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.cat-nav-inner::-webkit-scrollbar{display:none}
.cat-link{
  position:relative;flex:0 0 auto;
  padding:12px 14px;font-size:14.5px;font-weight:500;color:var(--muted);white-space:nowrap;
  border-bottom:2px solid transparent;
}
.cat-link:hover{color:var(--brand-700)}
.cat-link.active{color:var(--brand-700);font-weight:700;border-bottom-color:var(--accent-500)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease;
}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#e06a30;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:var(--accent-100);border-color:var(--accent-500);color:var(--brand-700)}
.btn-onDark{background:var(--lime-400);color:var(--brand-900)}
.btn-onDark:hover{background:#c2e94f;color:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-onDark-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-onDark-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.btn[disabled]{opacity:.4;pointer-events:none}

/* ============ 通用板块 ============ */
.section{padding:80px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head .title-wrap{max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-700);
  background:var(--accent-100);border-radius:999px;padding:5px 14px;margin-bottom:14px;
  letter-spacing:.4px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.section-head p{color:var(--muted);font-size:15px;margin:12px 0 0}
.lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:820px}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent-500)}
.crumb .sep{color:var(--brand-300)}
.crumb .current{color:var(--brand-700);font-weight:600}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#06302E 0%,#0A4340 100%);
  color:#fff;padding:72px 0 88px;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;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:48px 48px;
}
.cat-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.cat-hero h1{color:#fff;margin-bottom:18px}
.cat-hero .eyebrow{background:rgba(205,242,90,.14);color:var(--lime-400)}
.cat-hero .eyebrow::before{background:var(--lime-400)}
.hero-sub{font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.78);max-width:640px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13.5px;color:rgba(255,255,255,.68)}
.trust-row span{display:inline-flex;align-items:center;gap:8px}
.trust-row span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--lime-400)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-panel);border:1px solid rgba(255,255,255,.14)}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;
  background:var(--surface);color:var(--text);border-radius:var(--r-card);
  padding:16px 20px;box-shadow:var(--shadow-2);min-width:190px;
}
.hero-float strong{display:block;font-size:26px;font-weight:800;color:var(--brand-700);line-height:1.2}
.hero-float span{font-size:12.5px;color:var(--muted)}

/* ============ 快捷入口条 ============ */
.quick-strip{margin-top:-40px;position:relative;z-index:20}
.quick-card{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-panel);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.quick-item{background:var(--surface);padding:24px;display:flex;flex-direction:column;gap:8px;transition:background-color .16s ease,transform .16s ease}
.quick-item:hover{background:#FCFBF7;transform:translateY(-2px)}
.quick-item .qi-icon{
  width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--accent-100);color:var(--brand-700);margin-bottom:4px;
}
.quick-item h3{font-size:16.5px}
.quick-item p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ 卡片 ============ */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--brand-300);box-shadow:var(--shadow-2)}
.card-body{padding:24px}
.card h3{margin-bottom:10px;transition:color .16s ease}
.card:hover h3{color:var(--accent-500)}
.card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.75}
.card img.cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--accent-100);color:var(--brand-700);letter-spacing:.3px;
}
.badge-ok{background:rgba(30,142,106,.12);color:var(--ok)}
.badge-warn{background:rgba(217,139,31,.14);color:var(--warn)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px}

/* ============ 双栏区块 ============ */
.split{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.split-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.feature-card{display:flex;flex-direction:column;height:100%}
.feature-card img.cover{aspect-ratio:16/9}
.side-card{display:grid;grid-template-columns:44% 56%;gap:0;height:100%}
.side-card img{width:100%;height:100%;object-fit:cover;border-radius:0}
.side-card .card-body{padding:20px;display:flex;flex-direction:column;justify-content:center}
.side-card h3{font-size:16.5px;margin-bottom:8px}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;margin-top:24px}
.metric{background:var(--surface);padding:22px 20px;text-align:center}
.metric strong{display:block;font-size:26px;font-weight:800;color:var(--brand-700);line-height:1.2;letter-spacing:.5px}
.metric span{font-size:13px;color:var(--muted)}

/* ============ 步骤流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.step:hover{transform:translateY(-3px);border-color:var(--brand-300);box-shadow:var(--shadow-2)}
.step::after{
  content:"";position:absolute;top:46px;right:-25px;width:26px;
  border-top:1px dashed var(--brand-300);
}
.step:last-child::after{display:none}
.step-num{
  font-size:44px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px var(--accent-500);letter-spacing:1px;margin-bottom:10px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{margin:0;font-size:14px;color:var(--muted);line-height:1.75}

/* ============ 条目列表 ============ */
.list-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--shadow-1);overflow:hidden}
.list-item{
  display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:center;
  padding:24px 28px;border-bottom:1px solid var(--line);
  transition:background-color .16s ease;
}
.list-item:last-child{border-bottom:0}
.list-item:hover{background:#FCFBF7}
.list-item img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px}
.list-item .li-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.list-item h3{font-size:17.5px;margin-bottom:6px}
.list-item p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.8}
.list-item .fix{display:inline-block;margin-top:10px;font-size:13.5px;color:var(--brand-700);font-weight:600}

/* ============ 状态条 ============ */
.status-band{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--shadow-1);padding:28px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px;align-items:center}
.status-band h3{font-size:18px;margin-bottom:8px}
.status-band p{margin:0;font-size:14px;color:var(--muted)}
.status-cell{border-left:1px solid var(--line);padding-left:24px}
.status-cell:first-child{border-left:0;padding-left:0}
.status-cell strong{display:block;font-size:15px;color:var(--brand-700);margin-bottom:4px}
.status-cell span{font-size:13.5px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-side p{color:var(--muted);font-size:15px;margin-top:12px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .16s ease,box-shadow .16s ease}
.faq-item.open{border-color:var(--brand-300);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--brand-900);
}
.faq-q:hover{color:var(--accent-500)}
.faq-q .plus{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .25s ease}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--brand-500);border-radius:2px;transition:background-color .2s ease}
.faq-q .plus::before{left:0;top:10px;width:22px;height:2px}
.faq-q .plus::after{left:10px;top:0;width:2px;height:22px}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-item.open .plus::before,.faq-item.open .plus::after{background:var(--accent-500)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{margin:0;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ CTA ============ */
.cta{background:linear-gradient(180deg,#06302E 0%,#0A4340 100%);color:#fff;padding:80px 0}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta h2{color:#fff;margin-bottom:16px}
.cta p{color:rgba(255,255,255,.75);font-size:15.5px}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.82)}
.cta-points li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--lime-400);margin-top:10px}
.form-card{background:var(--surface);border-radius:var(--r-panel);padding:32px;box-shadow:var(--shadow-2);color:var(--text)}
.form-card h3{margin-bottom:6px}
.form-card > p{font-size:14px;color:var(--muted);margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:14px;font-weight:500;color:var(--text)}
.field input,.field select,.field textarea{
  height:46px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:var(--surface);outline:none;transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{height:96px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-700);box-shadow:0 0 0 3px var(--accent-100)}
.field.invalid input,.field.invalid select{border-color:var(--err)}
.field .err-msg{font-size:13px;color:var(--err);display:none}
.field.invalid .err-msg{display:block}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px}
.form-ok{display:none;margin-top:14px;font-size:14px;color:var(--ok);font-weight:600}
.form-ok.show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{color:#fff;margin-bottom:18px}
.footer-brand .brand-mark{background:var(--accent-500)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:0}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.6px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--lime-400)}
.footer-col li{font-size:13.5px;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 24px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:32px}
  .quick-card{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .status-band{grid-template-columns:1fr 1fr}
  .status-cell:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .section{padding:56px 0}
  .search{display:none}
  .search-toggle{display:inline-flex}
  .header-bar.search-open .search{
    display:flex;position:absolute;left:24px;right:24px;top:70px;max-width:none;z-index:70;
    box-shadow:var(--shadow-2);
  }
  .header-bar{position:relative}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{aspect-ratio:16/9}
  .hero-float{left:auto;right:16px;bottom:-18px}
  .split{grid-template-columns:1fr}
  .split-side{grid-template-rows:auto auto}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .list-item{grid-template-columns:160px 1fr;gap:18px;padding:20px}
  .metric-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .nav-toggle{display:inline-flex}
  .cat-nav{display:none}
  .cat-nav.open{display:block;border-top:1px solid var(--line)}
  .cat-nav.open .cat-nav-inner{flex-direction:column;align-items:stretch;gap:0;padding:8px 0}
  .cat-nav.open .cat-link{padding:14px 0;border-bottom:1px solid var(--line);border-left:0}
  .cat-nav.open .cat-link.active{color:var(--accent-500)}
  .header-inner{gap:14px}
  .brand-text{font-size:15.5px}
  .brand-text small{display:none}
  .header-actions .link-quiet{display:none}
  .quick-card{grid-template-columns:1fr}
  .quick-strip{margin-top:-24px}
  .steps{grid-template-columns:1fr}
  .list-item{grid-template-columns:1fr}
  .list-item img{aspect-ratio:16/9}
  .side-card{grid-template-columns:1fr}
  .side-card img{aspect-ratio:16/9;height:auto}
  .status-band{grid-template-columns:1fr;gap:20px}
  .status-cell{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:16px}
  .status-cell:first-child{border-top:0;padding-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .form-row{grid-template-columns:1fr}
  .cat-hero{padding:48px 0 64px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:40px 0}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .card-body{padding:16px}
  .form-card{padding:22px}
  .metric-row{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-float{position:static;margin-top:14px;left:auto;right:auto}
}

/* roulang page: category2 */
:root{
  --brand-900:#06302E;
  --brand-700:#0E4A46;
  --brand-500:#14756C;
  --brand-300:#6FB3AA;
  --accent-500:#F0763A;
  --accent-100:#FFE8DA;
  --lime-400:#CDF25A;
  --paper:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E3DFD6;
  --text:#1B2320;
  --muted:#5D6B66;
  --success:#1E8E6A;
  --warning:#D98B1F;
  --error:#C2452D;
  --r-card:14px;
  --r-panel:18px;
  --r-btn:10px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(15,32,30,.06), 0 8px 24px -12px rgba(15,32,30,.18);
  --shadow-2:0 2px 6px rgba(15,32,30,.10), 0 18px 40px -16px rgba(15,32,30,.28);
  --container:1200px;
}
@media (min-width:1440px){
  :root{--container:1280px;}
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .16s ease,background-color .16s ease,border-color .16s ease;}
a:hover{color:var(--accent-500);}
button{font-family:inherit;}
input,textarea{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:.5px;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand-700);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:80px 0;}
.section--paper{background:var(--paper);}
.section--white{background:var(--surface);}
.section--tight{padding:64px 0 80px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-title{font-size:clamp(24px,2.8vw,32px);line-height:1.35;font-weight:700;color:var(--brand-900);}
.section-sub{color:var(--muted);font-size:16px;margin:12px 0 0;max-width:760px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-500);margin-bottom:12px;}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--accent-500);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#e26a2f;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-secondary{background:transparent;color:var(--brand-700);border-color:var(--brand-700);}
.btn-secondary:hover{background:var(--accent-100);border-color:var(--accent-500);color:var(--brand-700);}
.btn-secondary:active{transform:translateY(1px);}
.btn-on-dark{background:var(--lime-400);color:var(--brand-900);box-shadow:var(--shadow-1);}
.btn-on-dark:hover{background:#bfe64c;color:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-on-dark:active{transform:translateY(1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn[disabled],.btn:disabled{opacity:.4;cursor:not-allowed;}
.link-quiet{font-size:14px;color:var(--brand-700);}
.link-quiet:hover{color:var(--accent-500);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.header-bar{background:var(--surface);transition:box-shadow .2s ease;}
.site-header.is-scrolled .header-bar{box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:16px;min-height:76px;padding:12px 32px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(180deg,var(--brand-700),var(--brand-900));
  color:#fff;font-size:17px;font-weight:800;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;color:var(--brand-900);font-size:16px;font-weight:700;letter-spacing:.5px;}
.brand-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.06em;margin-top:2px;}
.search{
  flex:1 1 auto;max-width:560px;
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 6px 0 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  color:var(--muted);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.search:focus-within{border-color:var(--brand-700);box-shadow:0 0 0 3px var(--accent-100);}
.search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--text);
}
.search input::placeholder{color:var(--muted);}
.search button{
  height:32px;padding:0 16px;border:0;border-radius:8px;
  background:var(--brand-700);color:#fff;font-size:13px;font-weight:600;cursor:pointer;
  transition:background-color .16s ease;
}
.search button:hover{background:var(--brand-900);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-toggle,.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);color:var(--brand-700);cursor:pointer;place-items:center;
  transition:border-color .16s ease,background-color .16s ease,color .16s ease;
}
.search-toggle:hover,.nav-toggle:hover{border-color:var(--brand-300);color:var(--accent-500);}

.cat-nav{border-top:1px solid var(--line);background:var(--surface);}
.cat-nav-inner{display:flex;align-items:center;gap:8px;padding:8px 32px;overflow-x:auto;scrollbar-width:none;}
.cat-nav-inner::-webkit-scrollbar{display:none;}
.cat-link{
  flex:0 0 auto;padding:7px 16px;border-radius:999px;
  font-size:14px;color:var(--muted);white-space:nowrap;
  border:1px solid transparent;
}
.cat-link:hover{background:var(--accent-100);color:var(--brand-700);}
.cat-link.active{background:var(--brand-700);color:#fff;border-color:var(--brand-700);}
.cat-link.active:hover{background:var(--brand-900);color:#fff;}

/* ============ 通栏横幅 ============ */
.page-banner{position:relative;isolation:isolate;color:#fff;overflow:hidden;}
.page-banner::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-banner::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(6,48,46,.92) 0%,rgba(6,48,46,.78) 55%,rgba(6,48,46,.68) 100%);
}
.banner-inner{padding:64px 0;min-height:340px;display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap;}
.banner-copy{max-width:680px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.75);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb a:hover{color:var(--lime-400);}
.breadcrumb .sep{color:rgba(255,255,255,.45);}
.breadcrumb .current{color:#fff;}
.banner-title{font-size:clamp(30px,4.2vw,44px);line-height:1.25;font-weight:700;color:#fff;margin-bottom:16px;}
.banner-sub{font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);max-width:620px;margin:0;}
.banner-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.banner-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.7);display:flex;gap:18px;flex-wrap:wrap;}
.banner-note span{display:inline-flex;align-items:center;gap:6px;}
.banner-note span::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--lime-400);}

/* 分类胶囊行 */
.tab-row{display:flex;gap:10px;flex-wrap:wrap;padding:28px 0 0;}
.tab-pill{
  padding:8px 18px;border-radius:999px;font-size:14px;
  background:var(--surface);border:1px solid var(--line);color:var(--brand-700);
  box-shadow:var(--shadow-1);
}
.tab-pill:hover{border-color:var(--brand-300);color:var(--accent-500);}
.tab-pill.active{background:var(--accent-100);border-color:var(--accent-500);color:var(--brand-700);font-weight:600;}

/* ============ 卡片网格 ============ */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.info-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.info-card:hover{transform:translateY(-2px);border-color:var(--brand-300);box-shadow:var(--shadow-2);}
.info-card:hover .card-title{color:var(--accent-500);}
.card-media{aspect-ratio:16/9;background:var(--paper);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.info-card:hover .card-media img{transform:scale(1.05);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:19px;line-height:1.5;font-weight:700;color:var(--brand-900);transition:color .16s ease;}
.card-text{font-size:15px;color:var(--muted);margin:0;}
.card-meta{
  display:flex;gap:14px;align-items:center;flex-wrap:wrap;
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);
}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--accent-100);color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge--line{background:transparent;border:1px solid var(--line);color:var(--muted);}
.card-link{font-size:14px;font-weight:600;color:var(--brand-700);}
.card-link:hover{color:var(--accent-500);}

.card--feature{grid-column:span 2;flex-direction:row;}
.card--feature .card-media{width:46%;flex:0 0 46%;aspect-ratio:auto;min-height:280px;}
.card--feature .card-body{padding:32px;}
.card--feature .card-title{font-size:clamp(20px,2vw,24px);}

/* ============ 活动一览清单 ============ */
.list-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.list-head,.list-row{
  display:grid;grid-template-columns:1.7fr 1fr 1fr auto;
  gap:16px;align-items:center;padding:16px 24px;
}
.list-head{background:var(--paper);font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.04em;}
.list-row{border-top:1px solid var(--line);transition:background-color .16s ease;}
.list-row:hover{background:var(--paper);}
.list-name{font-weight:600;color:var(--brand-900);font-size:15px;}
.list-time,.list-rule{font-size:14px;color:var(--muted);}
.status{
  justify-self:end;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;white-space:nowrap;
}
.status--open{background:rgba(30,142,106,.12);color:var(--success);}
.status--soon{background:rgba(217,139,31,.14);color:var(--warning);}
.status--end{background:rgba(93,107,102,.12);color:var(--muted);}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.step-card:hover{transform:translateY(-2px);border-color:var(--brand-300);box-shadow:var(--shadow-2);}
.step-card::after{
  content:"";position:absolute;top:50%;right:-24px;width:24px;
  border-top:1px dashed var(--brand-300);
}
.step-card:last-child::after{display:none;}
.step-num{
  font-size:52px;font-weight:800;line-height:1;
  color:rgba(240,118,58,.16);
  -webkit-text-stroke:1px rgba(240,118,58,.55);
  margin-bottom:14px;
}
.step-title{font-size:18px;font-weight:700;color:var(--brand-900);margin-bottom:8px;}
.step-text{font-size:15px;color:var(--muted);margin:0;}

/* ============ 数据条 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 20px;text-align:center;box-shadow:var(--shadow-1);
}
.stat-num{font-size:30px;font-weight:800;color:var(--brand-700);letter-spacing:.02em;line-height:1.2;}
.stat-label{font-size:14px;color:var(--muted);margin-top:8px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .16s ease;
}
.faq-item.open{border-color:var(--brand-300);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--text);text-align:left;line-height:1.6;
}
.faq-q:hover{color:var(--brand-700);}
.faq-icon{flex:0 0 auto;color:var(--brand-500);transition:transform .2s ease,color .2s ease;}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--accent-500);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-item.open .faq-a{max-height:340px;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--muted);}

/* ============ CTA 横条 ============ */
.cta-band{position:relative;background:var(--brand-900);color:#fff;overflow:hidden;}
.cta-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:56px 56px;
}
.cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:40px;padding:60px 0;flex-wrap:wrap;
}
.cta-title{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;color:#fff;margin-bottom:14px;}
.cta-list{display:flex;flex-wrap:wrap;gap:16px 26px;list-style:none;font-size:14px;color:rgba(255,255,255,.8);}
.cta-list li{display:inline-flex;align-items:center;gap:8px;}
.cta-list li::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--lime-400);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin:16px 0 0;max-width:340px;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-text small{color:rgba(255,255,255,.6);}
.site-footer .brand-mark{background:rgba(255,255,255,.12);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--lime-400);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;font-size:12px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .header-inner{padding:12px 24px;}
  .cat-nav-inner{padding:8px 24px;}
}
@media (max-width:1199px){
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .card--feature{grid-column:span 2;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .header-inner{padding:10px 24px;min-height:68px;}
  .cat-nav-inner{padding:8px 24px;}
  .search{max-width:340px;}
  .link-quiet{display:none;}
  .section{padding:56px 0;}
  .banner-inner{padding:52px 0;min-height:300px;gap:32px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .step-card::after{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .list-head{display:none;}
  .list-row{grid-template-columns:1fr auto;gap:8px 16px;padding:16px 18px;}
  .list-rule{grid-column:1 / -1;}
}
@media (max-width:899px){
  .search{display:none;}
  .search-toggle{display:grid;}
  .site-header.search-open .search{
    display:flex;flex:1 1 100%;max-width:none;order:3;margin:4px 0 8px;
  }
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{padding:10px 16px;gap:10px;}
  .cat-nav-inner{padding:8px 16px;}
  .brand-text{font-size:15px;}
  .brand-text small{display:none;}
  .header-actions .btn-sm{display:none;}
  .nav-toggle{display:grid;}
  .cat-nav-inner{display:none;}
  .site-header.nav-open .cat-nav-inner{
    display:flex;flex-direction:column;align-items:stretch;gap:6px;padding:8px 16px 16px;
  }
  .cat-link{border-radius:10px;text-align:center;padding:11px 16px;border-color:var(--line);}
  .section{padding:40px 0;}
  .section-head{margin-bottom:24px;}
  .banner-inner{padding:40px 0;min-height:auto;}
  .banner-title{font-size:clamp(26px,7vw,30px);}
  .banner-actions .btn{width:100%;}
  .grid-cards{grid-template-columns:1fr;gap:18px;}
  .card--feature{grid-column:span 1;flex-direction:column;}
  .card--feature .card-media{width:100%;flex:0 0 auto;aspect-ratio:16/9;min-height:0;}
  .card--feature .card-body{padding:22px 18px 24px;}
  .card-body{padding:18px 18px 20px;}
  .stats{grid-template-columns:1fr;gap:14px;}
  .cta-inner{padding:44px 0;gap:24px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .banner-note{flex-direction:column;gap:8px;}
  .faq-q{font-size:16px;padding:16px 16px;}
  .faq-a-inner{padding:0 16px 18px;}
  .list-row{padding:14px 14px;}
}