/* roulang page: index */
:root{
  --ink-900:#0B1A14;
  --brand-700:#0E3B2E;
  --brand-600:#12513C;
  --brand-100:#DCE9E2;
  --lime-400:#C8F531;
  --accent-500:#FF6A2B;
  --accent-600:#E4551A;
  --sand-50:#F7F4EC;
  --paper:#FFFFFF;
  --line:#E2DED2;
  --muted:#6B7269;
  --danger:#D93A2B;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(11,26,20,.06);
  --shadow-2:0 10px 24px -12px rgba(11,26,20,.22);
  --sidebar-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sand-50);
  color:var(--ink-900);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- 侧栏导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--brand-700);color:#fff;
  display:flex;flex-direction:column;
  padding:28px 20px;z-index:70;
}
.brand{display:flex;flex-direction:column;gap:2px;margin-bottom:26px;padding:0 10px}
.brand-name{
  font-size:20px;font-weight:800;letter-spacing:-.01em;color:#fff;
  line-height:1.2;max-width:100%;overflow:hidden;white-space:nowrap;
}
.brand-sub{font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.58);text-transform:uppercase}
.nav{display:flex;flex-direction:column;gap:4px}
.nav a{
  position:relative;display:flex;align-items:center;gap:10px;
  height:48px;padding:0 12px;border-radius:10px;
  color:rgba(255,255,255,.82);font-size:15px;font-weight:500;
  transition:background .18s ease,color .18s ease;
}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.active{background:rgba(255,255,255,.08);color:#fff;font-weight:700}
.nav a.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:2px;background:var(--lime-400);
}
.nav a svg{width:20px;height:20px;flex:0 0 20px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.sidebar-divider{height:1px;background:rgba(255,255,255,.12);margin:20px 0}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:var(--radius-btn);
  background:var(--accent-500);color:#fff;font-weight:700;font-size:15px;
  transition:background .18s ease,transform .18s ease;
}
.side-cta:hover{background:var(--accent-600)}
.side-cta:active{transform:translateY(1px)}
.side-contact{font-size:12px;line-height:1.7;color:rgba(255,255,255,.62);padding:0 10px}
.side-contact a{color:rgba(255,255,255,.82)}
.side-contact a:hover{color:var(--lime-400)}

/* ---------- 顶部移动栏 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:80;
  height:56px;align-items:center;justify-content:space-between;
  padding:0 16px;background:var(--brand-700);color:#fff;
}
.topbar-brand{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hamburger{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  background:transparent;color:#fff;cursor:pointer;transition:background .18s ease;
}
.hamburger:hover{background:rgba(255,255,255,.1)}
.hamburger svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round}

.drawer-mask{position:fixed;inset:0;background:rgba(11,26,20,.5);z-index:90}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:95;
  background:var(--brand-700);color:#fff;padding:24px 18px;
  display:flex;flex-direction:column;
  transform:translateX(-100%);transition:transform .24s ease;
}
.drawer.open{transform:translateX(0)}
.drawer .nav a{height:48px}

/* ---------- 主内容 ---------- */
.main{margin-left:var(--sidebar-w);min-height:100vh}
.section{padding:88px 0}
.section-alt{background:var(--brand-100)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:32px;flex-wrap:wrap;
}
.section-title{
  position:relative;padding-left:18px;
  font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.25;letter-spacing:-.01em;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:1.05em;
  border-radius:2px;background:var(--lime-400);
}
.section-sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-700);font-weight:700;font-size:15px;
  border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.text-link:hover{color:var(--brand-600);border-color:var(--brand-600)}
.text-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-weight:700;font-size:15px;cursor:pointer;border:1.5px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.btn:hover svg{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 6px 16px -10px rgba(255,106,43,.9)}
.btn-primary:hover{background:var(--accent-600)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-outline{border-color:var(--brand-700);color:var(--brand-700);background:transparent}
.btn-outline:hover{background:rgba(14,59,46,.06)}
.btn-block{width:100%}
.btn-sm{height:44px;padding:0 20px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;font-weight:700;line-height:1.4;
}
.badge-lime{background:var(--lime-400);color:var(--brand-700)}
.badge-soft{background:var(--brand-100);color:var(--brand-700)}
.badge-line{border:1px solid var(--line);color:var(--muted);background:var(--paper)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-700);isolation:isolate}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(11,26,20,.9) 0%,rgba(11,26,20,.72) 52%,rgba(14,59,46,.55) 100%);
}
.hero-inner{
  position:relative;
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.78fr);
  gap:48px;align-items:end;
  padding-top:96px;padding-bottom:76px;min-height:560px;
}
.hero-copy{color:#fff}
.hero h1{
  margin:20px 0 18px;
  font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
}
.hero-sub{
  font-size:17px;line-height:1.75;color:rgba(255,255,255,.84);max-width:600px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin:26px 0 30px;
  font-size:14px;color:rgba(255,255,255,.78);
}
.hero-meta li{display:flex;align-items:center;gap:8px}
.hero-meta svg{width:17px;height:17px;stroke:var(--lime-400);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.hero-card{
  background:var(--paper);border-radius:var(--radius-card);
  padding:26px;box-shadow:0 20px 40px -24px rgba(0,0,0,.55);
  border-top:4px solid var(--lime-400);
}
.hero-card-label{font-size:12.5px;letter-spacing:.14em;color:var(--muted);font-weight:700}
.hero-card-num{font-size:34px;font-weight:800;letter-spacing:-.02em;margin-top:6px;color:var(--brand-700)}
.hero-card-row{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:14px;color:var(--muted);
}
.hero-card-row strong{font-size:28px;font-weight:800;color:var(--ink-900)}
.progress{height:8px;border-radius:999px;background:var(--brand-100);margin-top:16px;overflow:hidden}
.progress span{display:block;height:100%;background:var(--lime-400);border-radius:999px}
.hero-card-note{margin-top:12px;font-size:13px;color:var(--muted)}

/* ---------- 数据条 ---------- */
.stats-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.stat{padding:28px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat strong{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--brand-700)}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.6}

/* ---------- 项目矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.matrix-item{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.matrix-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--lime-400)}
.matrix-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:14px;background:var(--brand-100);color:var(--brand-700);
}
.matrix-icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.matrix-item h3{font-size:18px;font-weight:700;margin:18px 0 8px}
.matrix-item p{font-size:14.5px;color:var(--muted);line-height:1.7}
.matrix-item .badge{margin-top:16px}

/* ---------- 时间线 ---------- */
.timeline{border-left:2px solid var(--line);margin-left:6px;padding-left:0}
.tl-group{padding-left:28px;position:relative;margin-bottom:34px}
.tl-group:last-child{margin-bottom:0}
.tl-group::before{
  content:"";position:absolute;left:-8px;top:14px;
  width:12px;height:12px;border-radius:50%;
  background:var(--lime-400);border:2px solid var(--sand-50);
  box-shadow:0 0 0 2px var(--brand-700);
}
.tl-date{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:var(--brand-700);color:#fff;
  font-size:13px;font-weight:700;margin-bottom:8px;
}
.tl-list{border-top:1px dashed var(--line)}
.tl-item{
  display:grid;grid-template-columns:88px minmax(0,1fr);
  gap:20px;padding:16px 0;border-bottom:1px dashed var(--line);
}
.tl-item:last-child{border-bottom:none}
.tl-time{font-size:15px;font-weight:700;color:var(--brand-700)}
.tl-time small{display:block;font-size:12px;font-weight:500;color:var(--muted)}
.tl-body h4{font-size:16.5px;font-weight:700}
.tl-body p{font-size:14px;color:var(--muted);margin-top:4px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--paper);
  border:1px solid var(--line);color:var(--muted);
}

/* ---------- 亮点卡 ---------- */
.highlights{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.hl-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.hl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--lime-400)}
.hl-media{overflow:hidden;aspect-ratio:16/9;background:var(--brand-100)}
.hl-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.hl-card:hover .hl-media img{transform:scale(1.02)}
.hl-body{padding:24px}
.hl-body h3{font-size:19px;font-weight:700}
.hl-role{margin-top:6px;font-size:13px;color:var(--muted)}
.hl-body p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.7}
.hl-body .tag{margin-top:16px}

/* ---------- 参与方式 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.plan{
  position:relative;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.plan-featured{
  transform:translateY(-8px);border:2px solid var(--lime-400);
  box-shadow:0 18px 36px -20px rgba(11,26,20,.35);
}
.plan-featured:hover{transform:translateY(-11px)}
.plan-flag{
  position:absolute;top:-13px;right:20px;
  background:var(--lime-400);color:var(--brand-700);
  font-size:12px;font-weight:800;padding:5px 12px;border-radius:999px;
}
.plan h3{font-size:19px;font-weight:700}
.plan-price{display:flex;align-items:baseline;gap:6px;margin:16px 0 6px}
.plan-price strong{font-size:32px;font-weight:800;letter-spacing:-.02em;color:var(--brand-700)}
.plan-price em{font-style:normal;font-size:13px;color:var(--muted)}
.plan-desc{font-size:13.5px;color:var(--muted);padding-bottom:18px;border-bottom:1px dashed var(--line)}
.plan ul{margin:18px 0 24px;display:flex;flex-direction:column;gap:12px}
.plan ul li{position:relative;padding-left:20px;font-size:14.5px;line-height:1.65}
.plan ul li::before{
  content:"";position:absolute;left:0;top:.55em;
  width:8px;height:8px;border-radius:2px;background:var(--lime-400);
}

/* ---------- 资讯卡 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--lime-400)}
.post-media{aspect-ratio:16/9;overflow:hidden;background:var(--brand-100)}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-media img{transform:scale(1.03)}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-body h3{
  font-size:17px;font-weight:700;line-height:1.5;margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body h3 a:hover{color:var(--brand-600)}
.post-body p{
  margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:12.5px;color:var(--muted);border-top:1px dashed var(--line);
}
.post-foot .read{color:var(--brand-700);font-weight:700}
.post-foot .read:hover{color:var(--accent-500)}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--paper);color:var(--muted);text-align:center;padding:32px;
}
.empty-state svg{width:42px;height:42px;stroke:var(--muted);fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:14.5px}

/* ---------- 报名 ---------- */
.signup{background:var(--brand-700);color:#fff}
.signup-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,520px);gap:56px;align-items:start}
.signup-copy h2{
  position:relative;padding-left:18px;
  font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.25;
}
.signup-copy h2::before{content:"";position:absolute;left:0;top:.34em;width:4px;height:1.05em;border-radius:2px;background:var(--lime-400)}
.signup-copy > p{margin-top:16px;color:rgba(255,255,255,.8);font-size:15.5px;max-width:520px}
.check-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:rgba(255,255,255,.88)}
.check-list svg{width:20px;height:20px;flex:0 0 20px;margin-top:3px;stroke:var(--lime-400);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.signup-card{background:var(--paper);border-radius:var(--radius-card);padding:28px;color:var(--ink-900);box-shadow:0 24px 48px -28px rgba(0,0,0,.6)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:8px}
.field .req{color:var(--accent-500)}
.control{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--sand-50);color:var(--ink-900);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
textarea.control{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.6}
select.control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.control:focus{outline:none;border-color:var(--accent-500);background:var(--paper);box-shadow:0 0 0 3px rgba(255,106,43,.16)}
.control.invalid{border-color:var(--danger);background:var(--paper)}
.field-error{font-size:13px;color:var(--danger);margin-top:6px;min-height:18px}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.6}
.checkbox-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--accent-500);flex:0 0 18px}
.checkbox-row a{color:var(--brand-700);font-weight:700;border-bottom:1px solid var(--line)}
.form-success{
  margin-top:16px;padding:14px 16px;border-radius:var(--radius-btn);
  background:var(--brand-100);color:var(--brand-700);font-size:14px;font-weight:600;
}
.signup-hint{margin-top:14px;font-size:12.5px;color:var(--muted);text-align:center}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:16px 4px;background:transparent;border:none;
  text-align:left;font-size:16.5px;font-weight:700;cursor:pointer;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-600)}
.faq-q svg{width:20px;height:20px;flex:0 0 20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{padding:0 40px 20px 4px;font-size:14.8px;color:var(--muted);line-height:1.8}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--brand-700);color:#fff;border-radius:var(--radius-card);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--lime-400);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.78);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-700);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer .footer-brand-name{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer p{font-size:13.8px;line-height:1.8;margin-top:12px}
.footer ul{display:flex;flex-direction:column;gap:10px}
.footer ul a{font-size:14px;transition:color .18s ease}
.footer ul a:hover{color:var(--lime-400)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom .num{color:rgba(255,255,255,.75)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px) and (min-width:1024px){
  :root{--sidebar-w:72px}
  .sidebar{padding:24px 12px;align-items:center}
  .brand{padding:0;align-items:center;margin-bottom:22px}
  .brand-name{max-width:1.15em;font-size:19px}
  .brand-sub{display:none}
  .nav{width:100%}
  .nav a{justify-content:center;padding:0}
  .nav-label{display:none}
  .sidebar-divider{width:100%;margin:16px 0}
  .side-cta{padding:0;width:48px;font-size:0}
  .side-cta svg{width:20px;height:20px}
  .side-contact{display:none}
  .hero-inner{grid-template-columns:1fr;gap:32px;min-height:auto;padding-top:72px;padding-bottom:56px}
  .hero-card{max-width:420px;justify-self:start}
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .plans{grid-template-columns:repeat(3,minmax(0,1fr))}
  .signup-grid{grid-template-columns:1fr;gap:36px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .main{margin-left:0}
  .hero-inner{grid-template-columns:1fr;gap:30px;padding-top:56px;padding-bottom:48px;min-height:auto}
  .hero{min-height:460px}
  .hero h1{font-size:clamp(28px,6vw,40px)}
  .hero-card{max-width:420px}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .stat:nth-child(2n){border-right:none}
  .stat:nth-child(n+3){border-bottom:none}
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .plans{grid-template-columns:1fr;gap:20px}
  .plan-featured{transform:none}
  .plan-featured:hover{transform:translateY(-3px)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .footer{margin-top:56px}
  .container{padding:0 18px}
  .hero-inner{padding-top:48px;padding-bottom:40px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-card{max-width:100%}
  .highlights{grid-template-columns:1fr}
  .matrix{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:none}
  .tl-item{grid-template-columns:1fr;gap:6px}
  .tl-time small{display:inline;margin-left:8px}
  .section-head{flex-direction:column;align-items:flex-start}
  .faq-a p{padding-right:8px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .signup-card{padding:22px}
}
@media (max-width:520px){
  .hero h1{font-size:27px}
  .hero-sub{font-size:15.5px}
  .cta-band{padding:26px 22px}
  .plan{padding:22px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B1A14;
  --brand-700:#0E3B2E;
  --brand-600:#12513C;
  --brand-100:#DCE9E2;
  --lime-400:#C8F531;
  --accent-500:#FF6A2B;
  --accent-600:#E4551A;
  --sand-50:#F7F4EC;
  --paper:#FFFFFF;
  --line:#E2DED2;
  --muted:#6B7269;
  --danger:#D93A2B;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --shadow-sm:0 1px 2px rgba(11,26,20,.06);
  --shadow-md:0 10px 24px -12px rgba(11,26,20,.22);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:72px; --s9:96px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
svg{fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:4px;}

/* ---------- 布局骨架 ---------- */
.layout{min-height:100vh;}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:240px;
  background:var(--brand-700);color:#fff;
  display:flex;flex-direction:column;gap:var(--s5);
  padding:28px 20px 24px;z-index:60;
}
.brand{display:block;padding:0 4px 4px;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:20px;}
.brand-name{font-size:20px;font-weight:700;color:#fff;letter-spacing:.01em;}
.brand-sub{display:block;margin-top:6px;font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.6);}
.nav{display:flex;flex-direction:column;gap:var(--s1);}
.nav a{
  position:relative;display:flex;align-items:center;gap:12px;
  height:48px;padding:0 14px;border-radius:10px;
  color:rgba(255,255,255,.78);font-size:15px;
  transition:background .18s ease,color .18s ease;
}
.nav a svg{width:20px;height:20px;flex:0 0 20px;}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav a.active{background:rgba(255,255,255,.08);color:#fff;font-weight:700;}
.nav a.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--lime-400);
}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px;}
.sidebar-foot .btn{width:100%;}
.sidebar-note{font-size:12px;line-height:1.7;color:rgba(255,255,255,.62);}
.sidebar-note strong{display:block;color:rgba(255,255,255,.85);font-weight:600;}

.main{padding-left:240px;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;position:sticky;top:0;height:56px;z-index:70;
  background:var(--brand-700);color:#fff;
  align-items:center;justify-content:space-between;padding:0 16px;
}
.topbar-logo{font-size:16px;font-weight:700;color:#fff;}
.topbar-logo span{display:block;font-size:10px;letter-spacing:.18em;color:rgba(255,255,255,.6);font-weight:400;}
.hamburger{
  width:40px;height:40px;border:1px solid rgba(255,255,255,.25);background:transparent;
  border-radius:10px;display:inline-flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;
}
.hamburger svg{width:20px;height:20px;}
.scrim{
  position:fixed;inset:0;background:rgba(11,26,20,.5);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;z-index:80;
}
.scrim.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:90;
  background:var(--brand-700);color:#fff;padding:24px 20px;
  display:flex;flex-direction:column;gap:var(--s5);
  transform:translateX(-100%);transition:transform .24s ease;
}
.drawer.open{transform:translateX(0);}
.drawer .nav a{height:48px;}
.drawer .sidebar-foot{margin-top:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;border:1.5px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .12s ease,box-shadow .18s ease;
}
.btn svg{width:18px;height:18px;transition:transform .18s ease;}
.btn:hover svg{transform:translateX(4px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--accent-600);box-shadow:var(--shadow-md);}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;}
.btn-ghost{border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost:hover{background:rgba(14,59,46,.06);}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn[disabled]{opacity:.45;cursor:not-allowed;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.4;
}
.badge-lime{background:var(--lime-400);color:var(--ink-900);}
.badge-soft{background:var(--brand-100);color:var(--brand-700);}
.badge-line{border:1px solid var(--line);background:#fff;color:var(--muted);}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;margin-top:32px;border-radius:var(--r-card);overflow:hidden;
  background:var(--brand-700) url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  color:#fff;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,26,20,.86) 12%,rgba(14,59,46,.66) 62%,rgba(14,59,46,.42) 100%);
}
.hero-grid{
  position:relative;z-index:1;display:grid;grid-template-columns:1.42fr .92fr;gap:40px;
  align-items:center;padding:44px 40px;min-height:280px;
}
.hero-copy h1{
  font-size:clamp(28px,3.6vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.16;
  margin:16px 0 14px;
}
.hero-copy p{font-size:16px;color:rgba(255,255,255,.84);max-width:640px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;font-size:14px;color:rgba(255,255,255,.78);}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta svg{width:16px;height:16px;color:var(--lime-400);}
.info-card{
  background:var(--paper);color:var(--ink-900);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-md);
}
.info-card h2{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--muted);margin-bottom:16px;}
.info-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);}
.info-row:last-child{border-bottom:0;padding-bottom:0;}
.info-row dt{font-size:14px;color:var(--muted);}
.info-row dd{margin:0;font-size:16px;font-weight:700;}
.info-row dd.big{font-size:28px;line-height:1.1;color:var(--accent-500);}
.info-row dd small{font-size:12px;font-weight:400;color:var(--muted);margin-left:4px;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;display:flex;align-items:center;gap:12px;}
.section-head h2::before{content:"";width:24px;height:4px;border-radius:2px;background:var(--lime-400);flex:0 0 24px;}
.section-head p{margin-top:10px;color:var(--muted);font-size:14.5px;max-width:640px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-700);white-space:nowrap;}
.text-link svg{width:16px;height:16px;transition:transform .18s ease;}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- 要点清单 + 关键信息卡 ---------- */
.split{display:grid;grid-template-columns:1.08fr .92fr;gap:32px;align-items:start;}
.panel{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-sm);
}
.panel > h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.panel > .panel-sub{font-size:14px;color:var(--muted);margin-bottom:18px;}
.point-list li{
  display:flex;gap:14px;padding:15px 0;border-bottom:1px dashed var(--line);
}
.point-list li:last-child{border-bottom:0;padding-bottom:0;}
.point-list .mark{
  flex:0 0 18px;width:18px;height:18px;margin-top:5px;border-radius:5px;
  background:var(--lime-400);
}
.point-list strong{display:block;font-size:15.5px;margin-bottom:3px;}
.point-list span{font-size:14px;color:var(--muted);line-height:1.7;}
.fact-list li{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14.5px;}
.fact-list li:last-child{border-bottom:0;padding-bottom:0;}
.fact-list b{font-weight:700;}
.fact-list .k{color:var(--muted);}
.panel-highlight{background:var(--brand-100);border-color:var(--brand-100);}
.panel-highlight .panel-sub{color:var(--brand-700);}

/* ---------- 图文卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--lime-400);}
.card-media{overflow:hidden;border-radius:0;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.card:hover .card-media img{transform:scale(1.02);}
.card-body{padding:24px;}
.card-body h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.7;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.qa{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.qa summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 24px;min-height:56px;font-size:16px;font-weight:600;
}
.qa summary::-webkit-details-marker{display:none;}
.qa summary::after{
  content:"";flex:0 0 9px;width:9px;height:9px;margin-top:-4px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .16s ease;
}
.qa[open] summary::after{transform:rotate(-135deg);margin-top:4px;}
.qa .qa-body{
  padding:0 24px 22px;font-size:14.8px;color:var(--muted);line-height:1.8;
  animation:fadeIn .16s ease;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- CTA 通栏 ---------- */
.cta-band{margin:72px 0 0;background:var(--brand-700);border-radius:var(--r-card);color:#fff;overflow:hidden;}
.cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px 40px 40px 44px;
}
.cta-inner::before{content:"";position:absolute;left:20px;top:36px;bottom:36px;width:4px;border-radius:2px;background:var(--lime-400);}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;margin-bottom:8px;}
.cta-inner p{font-size:14.8px;color:rgba(255,255,255,.78);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.footer{margin-top:88px;background:var(--brand-700);color:rgba(255,255,255,.76);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand-name{font-size:18px;font-weight:700;color:#fff;margin-bottom:12px;}
.footer p{font-size:14px;line-height:1.8;}
.footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer ul li{margin-bottom:10px;font-size:14px;}
.footer a{transition:color .18s ease;}
.footer a:hover{color:var(--lime-400);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .sidebar{width:72px;padding:24px 12px;align-items:center;}
  .brand{padding:0 0 18px;text-align:center;width:100%;}
  .brand-name{font-size:16px;}
  .brand-sub{display:none;}
  .nav a{justify-content:center;padding:0;height:48px;}
  .nav a .nav-label{display:none;}
  .sidebar-foot .btn{padding:0;width:48px;}
  .sidebar-foot .btn span{display:none;}
  .sidebar-note{display:none;}
  .main{padding-left:72px;}
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:28px;padding:36px 28px;min-height:0;}
  .split{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .sidebar{display:none;}
  .topbar{display:flex;}
  .main{padding-left:0;padding-top:0;}
  .container{padding:0 18px;}
  .hero-cat{margin-top:18px;border-radius:14px;}
  .hero-grid{padding:28px 20px;gap:24px;}
  .hero-copy p{font-size:15px;}
  .hero-meta{gap:8px 16px;font-size:13.5px;}
  .section{padding:48px 0 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:22px;}
  .card-grid{grid-template-columns:1fr;}
  .panel{padding:22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px 22px 32px 34px;gap:22px;}
  .cta-inner::before{left:18px;top:28px;bottom:auto;height:34px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer{padding:48px 0 24px;margin-top:56px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .qa summary{padding:0 18px;font-size:15px;}
  .qa .qa-body{padding:0 18px 18px;}
}

/* roulang page: article */
:root{
  --ink-900:#0B1A14;
  --brand-700:#0E3B2E;
  --brand-600:#12513C;
  --brand-100:#DCE9E2;
  --lime-400:#C8F531;
  --accent-500:#FF6A2B;
  --accent-600:#E4551A;
  --sand-50:#F7F4EC;
  --paper:#FFFFFF;
  --line:#E2DED2;
  --muted:#6B7269;
  --danger:#D93A2B;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --sh-card:0 1px 2px rgba(11,26,20,.06);
  --sh-hover:0 10px 24px -12px rgba(11,26,20,.22);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
.num,time{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:4px;}

/* ============ 侧栏导航 ============ */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:240px;
  background:var(--brand-700);
  display:flex;
  flex-direction:column;
  gap:24px;
  padding:28px 18px 24px;
  z-index:80;
  overflow-y:auto;
  transition:transform .28s ease;
}
.brand{display:flex;flex-direction:column;gap:4px;padding:0 10px;color:#fff;}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.01em;line-height:1.2;}
.brand-mini{display:none;}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--lime-400);font-weight:600;}
.nav{display:flex;flex-direction:column;gap:4px;margin-top:6px;}
.nav a{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;
  border-radius:10px;
  color:rgba(255,255,255,.82);
  font-size:14.5px;font-weight:500;
  transition:background .18s ease,color .18s ease;
}
.nav a svg{
  width:20px;height:20px;flex:none;
  fill:none;stroke:currentColor;stroke-width:1.75;
  stroke-linecap:round;stroke-linejoin:round;
}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav a.active{background:rgba(255,255,255,.08);color:#fff;font-weight:700;}
.nav a.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--lime-400);
}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px;}
.sidebar-note{font-size:12px;line-height:1.75;color:rgba(255,255,255,.55);padding:0 4px;margin:0;}

/* ============ 按钮与徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:15px;font-weight:700;
  cursor:pointer;white-space:nowrap;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .15s ease;
}
.btn svg{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent-500);color:#fff;}
.btn-primary:hover{background:var(--accent-600);}
.btn-ghost{background:transparent;border-color:rgba(11,26,20,.26);color:var(--brand-700);height:44px;}
.btn-ghost:hover{background:rgba(14,59,46,.06);border-color:var(--brand-700);}
.btn-block{width:100%;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge-lime{background:var(--lime-400);color:var(--brand-700);}
.badge-soft{background:var(--brand-100);color:var(--brand-700);}

/* ============ 主内容框架 ============ */
.app-main{
  padding-left:240px;
  min-height:100vh;
  display:flex;flex-direction:column;
}
.app-main main{flex:1;padding-top:36px;padding-bottom:8px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

.topbar{display:none;}
.drawer-mask{display:none;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:26px;
}
.breadcrumb a{color:var(--muted);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb svg{
  width:14px;height:14px;flex:none;fill:none;stroke:currentColor;
  stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:.55;
}
.breadcrumb span[aria-current]{
  color:var(--ink-900);font-weight:600;
  max-width:440px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 288px;
  gap:56px;
  align-items:start;
}
.article-head{max-width:760px;}
.article-head h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.2;font-weight:800;letter-spacing:-.02em;
  margin:16px 0 18px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13.5px;color:var(--muted);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);flex:none;}
.article-cover{
  margin:32px 0 0;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--brand-100);
  box-shadow:var(--sh-card);
}
.article-cover img{width:100%;aspect-ratio:21/9;object-fit:cover;}

/* ============ 正文排版 ============ */
.article-body{max-width:720px;margin-top:40px;font-size:16px;line-height:1.8;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;line-height:1.35;
  margin:2em 0 .6em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;bottom:.42em;
  width:4px;border-radius:2px;background:var(--lime-400);
}
.article-body h3{font-size:18px;font-weight:700;margin:1.6em 0 .5em;line-height:1.4;}
.article-body ul{list-style:none;padding-left:1.4em;margin:0 0 1.2em;}
.article-body ul li{position:relative;}
.article-body ul li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--lime-400);
}
.article-body ol{padding-left:1.4em;margin:0 0 1.2em;}
.article-body li{margin-bottom:.45em;}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;
  background:var(--brand-100);
  border-left:4px solid var(--lime-400);
  border-radius:0 12px 12px 0;
  color:var(--ink-900);
  font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.6em 0;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(18,81,60,.3);transition:color .18s ease;}
.article-body a:hover{color:var(--accent-500);border-color:var(--accent-500);}
.article-body table{
  display:block;width:100%;max-width:100%;
  overflow-x:auto;border-collapse:collapse;
  font-size:14.5px;margin:1.6em 0;
}
.article-body th,.article-body td{
  padding:12px 14px;border-bottom:1px solid var(--line);
  text-align:left;white-space:nowrap;
}
.article-body thead th{background:var(--brand-100);color:var(--brand-700);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#FBF9F3;}
.article-body strong{font-weight:700;}

/* ============ 文末 ============ */
.article-foot{
  max-width:720px;margin-top:44px;padding-top:28px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;
}
.tag-group{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;background:var(--paper);
  border:1px solid var(--line);
  font-size:13px;color:var(--muted);
  transition:border-color .18s ease,color .18s ease;
}
.tag:hover{border-color:var(--lime-400);color:var(--brand-700);}

/* ============ 空态 ============ */
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  min-height:240px;
  padding:48px 24px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;color:var(--muted);
}
.empty-state svg{
  width:36px;height:36px;fill:none;stroke:var(--brand-600);
  stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;opacity:.7;
}
.empty-state p{margin:0;font-size:15px;}
.link-arrow{color:var(--accent-500);font-weight:700;font-size:14px;}
.link-arrow:hover{color:var(--accent-600);text-decoration:underline;}

/* ============ 右栏 ============ */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:32px;}
.side-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-card);
}
.side-card h3{font-size:16px;font-weight:700;margin:0 0 10px;}
.side-card p{margin:0 0 16px;font-size:14px;line-height:1.7;color:var(--muted);}
.side-card-cta{background:var(--brand-100);border-color:#C9DFD5;}
.side-card-cta h3{color:var(--brand-700);}
.side-card-cta p{color:#3D5A4E;}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;}
.side-list li+li{border-top:1px dashed var(--line);}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:12px 0;font-size:14px;font-weight:500;
  transition:color .18s ease;
}
.side-list a::after{content:"→";font-size:13px;color:var(--muted);transition:transform .18s ease;}
.side-list a:hover{color:var(--accent-500);}
.side-list a:hover::after{transform:translateX(3px);color:var(--accent-500);}

/* ============ 继续了解 ============ */
.related-cats{margin-top:76px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-title{
  position:relative;padding-left:14px;
  font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.3;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.35em;bottom:.35em;
  width:4px;border-radius:2px;background:var(--lime-400);
}
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.cat-card{
  display:flex;flex-direction:column;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--lime-400);}
.cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cat-card-body{padding:20px 24px 24px;}
.cat-card-body h3{font-size:18px;font-weight:700;margin:0 0 8px;line-height:1.4;}
.cat-card-body p{margin:0;font-size:14px;line-height:1.7;color:var(--muted);}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;overflow:hidden;
  margin-top:72px;
  background:var(--brand-700);
  border-radius:var(--r-card);
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--lime-400);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,28px);font-weight:700;margin:0 0 8px;line-height:1.3;}
.cta-band p{color:rgba(255,255,255,.76);margin:0;font-size:14.5px;line-height:1.7;}
.cta-band .btn{flex:none;}

/* ============ 页脚 ============ */
.footer{
  background:var(--brand-700);
  color:rgba(255,255,255,.75);
  padding:64px 0 24px;
  margin-top:88px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:32px;}
.footer p{font-size:14px;line-height:1.8;margin:0;}
.footer .footer-brand-name{color:#fff;font-size:18px;font-weight:800;margin:0 0 12px;line-height:1.4;}
.footer h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;margin:0 0 16px;line-height:1.4;}
.footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer li{font-size:14px;line-height:1.7;}
.footer a{color:rgba(255,255,255,.75);transition:color .18s ease;}
.footer a:hover{color:var(--lime-400);}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:48px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (min-width:1024px) and (max-width:1279px){
  .sidebar{width:72px;padding:24px 12px;}
  .brand{align-items:center;padding:0;gap:0;}
  .brand-full{display:none;}
  .brand-mini{display:inline;}
  .brand-sub{display:none;}
  .nav a{justify-content:center;padding:0;gap:0;}
  .nav-label{
    position:absolute;width:1px;height:1px;padding:0;
    overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0;
  }
  .sidebar-foot{align-items:center;}
  .sidebar-cta{width:48px;height:48px;padding:0;border-radius:12px;}
  .cta-text{display:none;}
  .sidebar-note{display:none;}
  .app-main{padding-left:72px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:36px;}
}

@media (max-width:1023px){
  .sidebar{
    width:280px;
    padding:24px 16px;
    transform:translateX(-100%);
    box-shadow:0 0 40px rgba(11,26,20,.4);
  }
  .sidebar.open{transform:translateX(0);}
  .drawer-mask{
    display:block;position:fixed;inset:0;z-index:70;
    background:rgba(11,26,20,.5);
    opacity:0;pointer-events:none;
    transition:opacity .25s ease;
  }
  .drawer-mask.show{opacity:1;pointer-events:auto;}
  .topbar{
    display:flex;position:sticky;top:0;z-index:65;
    height:56px;align-items:center;justify-content:space-between;
    padding:0 16px;background:var(--brand-700);
    box-shadow:0 1px 2px rgba(11,26,20,.18);
  }
  .topbar-brand{
    display:flex;align-items:baseline;gap:8px;color:#fff;
    font-size:17px;font-weight:800;letter-spacing:.01em;
  }
  .topbar-brand span{font-size:11px;letter-spacing:.16em;color:var(--lime-400);font-weight:600;}
  .menu-btn{
    width:40px;height:40px;display:flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,.08);border:0;border-radius:10px;
    color:#fff;cursor:pointer;transition:background .18s ease;
  }
  .menu-btn:hover{background:rgba(255,255,255,.16);}
  .menu-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;}
  .app-main{padding-left:0;}
  .app-main main{padding-top:24px;}
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .article-side{position:static;}
  .article-cover img{aspect-ratio:16/9;}
  .related-cats{margin-top:56px;}
  .cta-band{margin-top:56px;}
  .footer{margin-top:64px;padding:48px 0 20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .article-head h1{font-size:26px;margin:14px 0 14px;}
  .article-body{margin-top:28px;font-size:15.5px;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .cat-grid{grid-template-columns:1fr;gap:20px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px;gap:20px;}
  .cta-band .btn{width:100%;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .article-foot .btn{width:100%;}
  .breadcrumb span[aria-current]{max-width:200px;}
}

@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .meta-row{gap:8px;font-size:13px;}
  .meta-row .dot{display:none;}
}

/* roulang page: category2 */
:root{
  --ink-900:#0B1A14;
  --brand-700:#0E3B2E;
  --brand-600:#12513C;
  --brand-100:#DCE9E2;
  --lime-400:#C8F531;
  --accent-500:#FF6A2B;
  --accent-600:#E4551A;
  --sand-50:#F7F4EC;
  --paper:#FFFFFF;
  --line:#E2DED2;
  --muted:#6B7269;
  --danger:#D93A2B;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(11,26,20,.06);
  --sh-2:0 10px 24px -12px rgba(11,26,20,.22);
  --sidebar-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--sand-50);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
button{font:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--lime-400);color:var(--brand-700);padding:10px 16px;z-index:200;font-weight:700;border-radius:0 0 10px 0;}
.skip-link:focus{left:0;}

/* ============ 侧栏导航 ============ */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:var(--brand-700);
  display:flex;flex-direction:column;
  padding:28px 16px 22px;
  z-index:80;
  overflow-y:auto;
}
.brand{
  display:flex;align-items:center;gap:11px;
  text-decoration:none;color:#fff;
  padding:0 6px 18px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.brand-mark{
  width:40px;height:40px;flex:none;border-radius:12px;
  background:linear-gradient(135deg,var(--lime-400),#93d117);
  color:var(--brand-700);font-weight:800;font-size:19px;
  display:grid;place-items:center;
  letter-spacing:0;
}
.brand-text strong{display:block;font-size:18px;font-weight:700;line-height:1.3;letter-spacing:.01em;}
.brand-text span{display:block;font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.6);margin-top:3px;}
.nav{display:flex;flex-direction:column;gap:4px;margin-top:20px;}
.nav a{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:46px;padding:0 12px;border-radius:10px;
  color:rgba(255,255,255,.78);text-decoration:none;font-size:15px;
  transition:background .18s ease,color .18s ease;
}
.nav a svg{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav a.active{background:rgba(255,255,255,.08);color:#fff;font-weight:700;}
.nav a.active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--lime-400);}
.side-divider{height:1px;background:rgba(255,255,255,.12);margin:20px 6px;}
.sidebar-foot{margin-top:auto;padding-top:20px;}
.btn-side{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;width:100%;border-radius:var(--r-btn);
  background:var(--accent-500);color:#fff;font-weight:700;font-size:15px;
  text-decoration:none;transition:background .18s ease,transform .12s ease;
}
.btn-side svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.btn-side:hover{background:var(--accent-600);}
.btn-side:active{transform:translateY(1px);}
.sidebar-contact{margin-top:16px;font-size:12px;line-height:1.7;color:rgba(255,255,255,.55);}
.sidebar-contact span{display:block;}

/* ============ 顶栏（移动） ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:90;
  background:var(--brand-700);align-items:center;justify-content:space-between;
  padding:0 14px;box-shadow:0 1px 0 rgba(255,255,255,.08);
}
.topbar-brand{display:flex;align-items:center;gap:9px;color:#fff;text-decoration:none;font-size:15px;font-weight:700;letter-spacing:.01em;}
.topbar-brand .brand-mark{width:32px;height:32px;border-radius:9px;font-size:15px;}
.burger{
  width:40px;height:40px;border:0;border-radius:10px;background:rgba(255,255,255,.1);
  display:grid;place-items:center;color:#fff;cursor:pointer;transition:background .18s ease;
}
.burger:hover{background:rgba(255,255,255,.18);}
.burger svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;}
.mask{
  position:fixed;inset:0;background:rgba(11,26,20,.5);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
  z-index:75;
}
.mask.show{opacity:1;visibility:visible;}

/* ============ 主内容 ============ */
.content{padding-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
main{flex:1;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--brand-700);}
.hero-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.4;}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,26,20,.88) 0%,rgba(14,59,46,.78) 55%,rgba(14,59,46,.92) 100%);}
.hero-inner{position:relative;z-index:2;max-width:860px;margin:0 auto;padding:100px 24px 108px;text-align:center;}
.crumb{display:flex;justify-content:center;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px;}
.crumb a{color:rgba(255,255,255,.66);text-decoration:none;transition:color .18s ease;}
.crumb a:hover{color:var(--lime-400);}
.crumb svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:var(--lime-400);color:var(--brand-700);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-700);}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.15;font-weight:800;letter-spacing:-.02em;
  color:#fff;margin:20px 0 18px;
}
.hero-sub{max-width:660px;margin:0 auto;color:rgba(255,255,255,.84);font-size:17px;line-height:1.75;}
.pills{
  display:flex;gap:10px;justify-content:center;
  margin:30px auto 0;padding-bottom:6px;
  overflow-x:auto;scrollbar-width:none;
}
.pills::-webkit-scrollbar{display:none;}
.pill{
  flex:none;display:inline-flex;align-items:center;gap:7px;
  height:36px;padding:0 16px;border-radius:999px;white-space:nowrap;
  border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.06);
  color:#fff;font-size:13px;text-decoration:none;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.pill svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.pill:hover{background:rgba(200,245,49,.16);border-color:var(--lime-400);color:var(--lime-400);}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;text-decoration:none;cursor:pointer;
  border:1.5px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .12s ease;
}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.btn:hover svg.arrow{transform:translateX(4px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent-500);color:#fff;}
.btn-primary:hover{background:var(--accent-600);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.1);}
.btn-outline{background:transparent;color:var(--brand-700);border-color:var(--brand-700);}
.btn-outline:hover{background:rgba(14,59,46,.06);}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;}

/* ============ 板块 ============ */
.section{padding:88px 0;}
.section-tight{padding-top:0;}
.bg-paper{background:var(--paper);}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head.center{text-align:center;margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-700);
}
.eyebrow::before{content:"";width:24px;height:4px;border-radius:2px;background:var(--lime-400);flex:none;}
.sec-title{font-size:clamp(22px,2.6vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin:14px 0 12px;}
.sec-desc{color:var(--muted);font-size:16px;line-height:1.75;}

/* ============ 数据条 ============ */
.stats-wrap{margin-top:-58px;position:relative;z-index:5;}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  overflow:hidden;
}
.stat{display:flex;align-items:center;gap:14px;padding:26px 24px;}
.stat + .stat{border-left:1px solid var(--line);}
.stat-num{font-size:28px;font-weight:700;line-height:1;color:var(--brand-700);}
.stat-label{font-size:13px;line-height:1.55;color:var(--muted);}

/* ============ 时间线 ============ */
.tl{position:relative;margin-top:12px;}
.tl::before{content:"";position:absolute;left:5px;top:12px;bottom:16px;width:2px;background:var(--line);}
.tl-item{position:relative;padding:0 0 30px 36px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:0;top:7px;
  width:12px;height:12px;border-radius:50%;
  background:var(--lime-400);border:2px solid var(--brand-700);
  box-shadow:0 0 0 3px rgba(200,245,49,.28);
}
.tl-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.tl-item h3{font-size:19px;font-weight:700;margin:10px 0 8px;line-height:1.4;}
.tl-item p{color:var(--muted);font-size:15px;line-height:1.75;max-width:660px;}

/* ============ 卡片网格 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--lime-400);}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--brand-100);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.02);}
.card-body{padding:24px;}
.card-body h3{font-size:19px;font-weight:700;line-height:1.4;margin-bottom:10px;}
.card-body p{color:var(--muted);font-size:15px;line-height:1.75;}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;background:var(--brand-100);color:var(--brand-700);
}
.chip.line{background:transparent;border:1px solid var(--line);color:var(--muted);font-weight:500;}

/* ============ 列表行 ============ */
.rows{margin-top:26px;border-top:1px solid var(--line);}
.row{
  display:grid;grid-template-columns:170px 1fr;gap:24px;
  padding:24px 0;border-bottom:1px dashed var(--line);
}
.row:last-child{border-bottom:0;}
.row-meta{font-size:15px;font-weight:700;color:var(--brand-700);padding-top:2px;}
.row-meta small{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-top:6px;letter-spacing:.02em;}
.row-body h3{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.45;}
.row-body p{color:var(--muted);font-size:15px;line-height:1.75;}

/* ============ FAQ ============ */
.faq{border:1px solid var(--line);border-radius:var(--r-card);background:var(--paper);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:14px 24px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink-900);cursor:pointer;
  transition:color .18s ease,background .18s ease;
}
.faq-q:hover{color:var(--brand-700);background:rgba(220,233,226,.35);}
.faq-q svg{width:20px;height:20px;flex:none;fill:none;stroke:var(--brand-700);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .22s ease;}
.faq-item.open .faq-q svg{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a > div{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.8;}

/* ============ CTA ============ */
.cta{
  position:relative;overflow:hidden;
  background:var(--brand-700);border-radius:20px;
  padding:44px 44px 44px 52px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
}
.cta::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--lime-400);}
.cta::after{
  content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,245,49,.16),transparent 68%);
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;color:#fff;margin-bottom:12px;}
.cta-copy p{color:rgba(255,255,255,.76);font-size:15px;line-height:1.75;max-width:520px;}
.cta-form{position:relative;z-index:2;}
.field{display:flex;gap:10px;}
.input{
  flex:1;min-width:0;height:46px;padding:0 14px;
  border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.26);
  background:rgba(255,255,255,.07);color:#fff;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.input::placeholder{color:rgba(255,255,255,.5);}
.input:focus{outline:none;border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(255,106,43,.24);background:rgba(255,255,255,.1);}
.form-tip{margin-top:12px;font-size:13px;line-height:1.6;color:rgba(255,255,255,.6);}
.form-tip.error{color:#FFB4A0;}
.form-tip.success{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime-400);color:var(--brand-700);
  padding:8px 14px;border-radius:999px;font-weight:700;
}
.cta-note{margin-top:14px;font-size:12px;color:rgba(255,255,255,.5);}

/* ============ 页脚 ============ */
.footer{background:var(--brand-700);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand-name{color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px;}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;letter-spacing:.02em;}
.footer ul{display:grid;gap:10px;font-size:14px;}
.footer a{color:rgba(255,255,255,.78);text-decoration:none;transition:color .18s ease;}
.footer a:hover{color:var(--lime-400);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (min-width:1024px) and (max-width:1279px){
  :root{--sidebar-w:72px;}
  .sidebar{padding:22px 10px 18px;align-items:center;}
  .brand{padding:0 0 16px;border-bottom:0;justify-content:center;width:100%;}
  .brand-text{display:none;}
  .nav{width:100%;margin-top:14px;}
  .nav a{justify-content:center;padding:0;height:46px;gap:0;}
  .nav a.active::before{top:11px;bottom:11px;}
  .nav-label{display:none;}
  .side-divider{width:100%;margin:18px 0;}
  .sidebar-foot{width:100%;padding-top:0;}
  .btn-side{width:46px;margin:0 auto;padding:0;}
  .btn-side span{display:none;}
  .sidebar-contact{display:none;}
  .cta{grid-template-columns:1fr;padding:40px 36px 40px 44px;}
}
@media (max-width:1023px){
  .sidebar{width:280px;transform:translateX(-100%);transition:transform .26s ease;box-shadow:0 24px 48px -24px rgba(11,26,20,.6);padding:24px 16px 22px;}
  .sidebar.open{transform:translateX(0);}
  .topbar{display:flex;}
  .content{padding-left:0;padding-top:56px;}
  .nav a{height:48px;}
  .hero-inner{padding:72px 22px 84px;}
  .pills{justify-content:flex-start;padding-left:2px;padding-right:2px;}
  .grid-2{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer p{max-width:none;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-tight{padding-top:0;}
  .container{padding:0 18px;}
  .hero-inner{padding:60px 18px 76px;min-height:460px;display:flex;flex-direction:column;justify-content:center;max-height:76vh;}
  .hero h1{margin:16px 0 14px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .stats-wrap{margin-top:-38px;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat{flex-direction:column;align-items:flex-start;gap:8px;padding:20px 18px;}
  .stat + .stat{border-left:1px solid var(--line);}
  .stat:nth-child(odd){border-left:0;}
  .stat:nth-child(n+3){border-top:1px solid var(--line);}
  .grid-2{grid-template-columns:1fr;}
  .row{grid-template-columns:1fr;gap:10px;padding:20px 0;}
  .row-meta small{margin-top:4px;}
  .cta{grid-template-columns:1fr;padding:34px 22px 34px 28px;gap:24px;border-radius:16px;}
  .field{flex-direction:column;}
  .field .btn{width:100%;}
  .footer{margin-top:56px;padding:48px 0 22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-brand-name{font-size:16px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .sec-head{margin-bottom:26px;}
}
@media (max-width:520px){
  .stats{grid-template-columns:1fr;}
  .stat + .stat{border-left:0;border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr;}
}