/* roulang page: index */
:root{
  --primary:#1F6FA8;
  --primary-deep:#15527A;
  --primary-soft:#E8F2F9;
  --accent:#F26B4A;
  --accent-deep:#D9532F;
  --teal:#2BAE9E;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#142B3B;
  --text-muted:#4F6B7C;
  --text-weak:#8A9AA8;
  --border:#DDE7EF;
  --success:#2E9E6B;
  --warning:#E0A21A;
  --error:#D64545;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-1:0 10px 30px rgba(20,43,59,.08);
  --shadow-2:0 14px 36px rgba(20,43,59,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-deep);text-decoration:underline;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(31,111,168,.35);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:84px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--primary);background:var(--primary-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);}
.section-title{font-size:32px;color:var(--text);}
.section-sub{margin-top:14px;font-size:16px;color:var(--text-muted);}

/* ===== 倒计时条 ===== */
.topbar{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(90deg,#E8F2F9 0%,#F2F8FD 100%);
  border-bottom:1px solid var(--border);
  min-height:46px;
}
.topbar-inner{
  display:flex;align-items:center;gap:18px;
  min-height:46px;flex-wrap:nowrap;
}
.topbar-label{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:700;color:var(--primary-deep);
  background:#fff;border:1px solid #CBE2F1;border-radius:999px;
  padding:4px 12px;white-space:nowrap;
}
.countdown{
  display:flex;align-items:center;gap:8px;flex:1;min-width:0;
}
.cd-cell{
  display:inline-flex;align-items:baseline;gap:4px;
  background:#fff;border:1px solid var(--border);border-radius:10px;
  padding:4px 10px;box-shadow:0 2px 8px rgba(20,43,59,.05);
}
.cd-num{
  font-family:ui-monospace,Consolas,"SFMono-Regular",Menlo,monospace;
  font-size:17px;font-weight:700;color:var(--accent);letter-spacing:.02em;
}
.cd-unit{font-size:12px;color:var(--text-weak);}
.topbar-cta{
  font-size:13px;font-weight:700;color:var(--primary);
  white-space:nowrap;border-bottom:1px solid transparent;
}
.topbar-cta:hover{color:var(--primary-deep);border-bottom-color:var(--primary-deep);text-decoration:none;}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:46px;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  display:flex;align-items:center;gap:24px;
  min-height:70px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--text);
  white-space:nowrap;
}
.brand:hover{text-decoration:none;color:var(--primary-deep);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--primary) 0%,#2E8CC4 100%);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;font-weight:800;letter-spacing:-.03em;
  box-shadow:0 6px 16px rgba(31,111,168,.28);
}
.brand-text b{color:var(--primary);}
.nav-chips{
  display:flex;align-items:center;gap:8px;
  flex:1;min-width:0;overflow-x:auto;
  scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--text-muted);
  background:#F1F5F9;border:1px solid transparent;
  white-space:nowrap;transition:all .2s ease;
}
.nav-chip:hover{
  background:#fff;color:var(--primary-deep);
  box-shadow:0 4px 14px rgba(20,43,59,.08);text-decoration:none;
}
.nav-chip.is-active{
  background:var(--primary-soft);color:var(--primary-deep);
  border-color:#BEDCF0;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:12px;
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;transition:all .2s ease;
  cursor:pointer;white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(31,111,168,.24);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(31,111,168,.3);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,107,74,.26);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,107,74,.32);}
.btn-ghost{background:#fff;color:var(--primary);border-color:#BFDCF0;}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep);border-color:var(--primary);transform:translateY(-2px);}
.btn:active{transform:translateY(1px);}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:14px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:#fff;border:1px solid var(--border);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-panel{display:none;padding:16px 0 22px;border-top:1px solid var(--border);}
.mobile-panel.is-open{display:block;}
.mobile-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 80px;
  background:
    radial-gradient(circle at 18% 12%, #E4F1FA 0%, rgba(228,241,250,0) 55%),
    linear-gradient(180deg,#FFFFFF 0%,#F6F9FC 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(#C9DCEA 1px,transparent 1px);
  background-size:22px 22px;opacity:.45;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 78%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--border);
  padding:7px 14px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--text-muted);
  box-shadow:0 4px 14px rgba(20,43,59,.06);margin-bottom:20px;
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(43,174,158,.18);}
.hero h1{
  font-size:44px;line-height:1.24;color:var(--text);
}
.hero h1 em{
  font-style:normal;color:var(--primary);
  background:linear-gradient(180deg,transparent 62%, #CDE6F6 62%);
}
.hero-sub{
  margin-top:20px;font-size:17px;color:var(--text-muted);line-height:1.85;max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;align-items:center;}
.hero-note{font-size:13px;color:var(--text-weak);margin-top:14px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px;
  max-width:560px;
}
.stat{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:16px 16px 14px;box-shadow:0 6px 18px rgba(20,43,59,.05);
}
.stat-num{
  font-family:ui-monospace,Consolas,monospace;
  font-size:23px;font-weight:700;color:var(--primary-deep);letter-spacing:-.02em;
}
.stat-label{font-size:12.5px;color:var(--text-weak);margin-top:4px;}

.hero-art{position:relative;}
.hero-frame{
  position:relative;border-radius:24px;overflow:hidden;
  box-shadow:0 24px 60px rgba(20,43,59,.18);
  border:6px solid #fff;background:#fff;
}
.hero-frame img{width:100%;height:420px;object-fit:cover;}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,43,59,0) 42%,rgba(20,43,59,.55) 100%);
}
.hero-tag{
  position:absolute;top:18px;left:18px;z-index:3;
  background:rgba(255,255,255,.94);color:var(--primary-deep);
  font-size:13px;font-weight:700;padding:7px 14px;border-radius:999px;
}
.hero-caption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:3;color:#fff;
}
.hero-caption strong{display:block;font-size:16px;font-weight:700;}
.hero-caption span{font-size:13px;opacity:.85;}
.hero-float{
  position:absolute;right:-8px;bottom:-24px;z-index:4;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:16px 18px;box-shadow:var(--shadow-2);min-width:212px;
}
.hero-float .fl-label{font-size:12.5px;color:var(--text-weak);}
.hero-float .fl-value{
  font-size:20px;font-weight:800;color:var(--accent);margin-top:2px;
  font-family:ui-monospace,Consolas,monospace;
}
.progress{height:8px;border-radius:999px;background:#EAF1F7;margin-top:12px;overflow:hidden;}
.progress i{display:block;height:100%;width:68%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--teal));}

/* ===== 卖点 / 编号步骤 ===== */
.feature-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:52px;align-items:start;}
.feature-aside{position:sticky;top:140px;}
.feature-aside .section-title{font-size:30px;}
.feature-aside p{margin-top:16px;color:var(--text-muted);font-size:16px;}
.aside-list{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.aside-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--text-muted);
}
.aside-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;
  background:var(--teal);
}
.feature-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
}
.feature-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.feature-card:nth-child(2){margin-top:26px;}
.feature-card:nth-child(4){margin-top:26px;}
.feature-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--primary-soft);color:var(--primary-deep);
  font-weight:800;font-size:15px;font-family:ui-monospace,Consolas,monospace;
  margin-bottom:16px;
}
.feature-card h3{font-size:19px;margin-bottom:10px;}
.feature-card p{font-size:14.8px;color:var(--text-muted);line-height:1.8;}

/* ===== 图墙 ===== */
.gallery{
  display:grid;grid-template-columns:repeat(4,1fr);
  grid-auto-rows:172px;gap:18px;
}
.gal-item{
  position:relative;overflow:hidden;border-radius:18px;
  background:#DCE8F1;box-shadow:var(--shadow-1);
}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.gal-item:hover img{transform:scale(1.06);}
.gal-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,43,59,0) 44%,rgba(20,43,59,.62) 100%);
}
.gal-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(255,255,255,.92);color:var(--primary-deep);
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.gal-text{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;color:#fff;}
.gal-text strong{display:block;font-size:15.5px;font-weight:700;}
.gal-text span{font-size:12.5px;opacity:.85;}
.gal-a{grid-column:span 2;grid-row:span 2;}
.gal-b{grid-column:span 2;grid-row:span 1;}
.gal-c{grid-column:span 1;grid-row:span 1;}
.gal-d{grid-column:span 1;grid-row:span 1;}
.gal-e{grid-column:span 2;grid-row:span 1;}

/* ===== CTA 表单 ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#15527A 0%,#1F6FA8 58%,#2BAE9E 130%);
  color:#fff;border-radius:26px;
  padding:52px 48px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:20px 20px;opacity:.5;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:30px;color:#fff;}
.cta-band p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.86);line-height:1.85;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.9);}
.cta-points li::before{content:"✓";color:#8FE3D8;font-weight:700;}
.form-card{
  background:#fff;border-radius:20px;padding:28px 26px;
  box-shadow:0 20px 44px rgba(6,32,50,.28);color:var(--text);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-hint{font-size:13px;color:var(--text-weak);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--text-muted);margin-bottom:7px;}
.field input{
  width:100%;height:46px;border-radius:10px;
  border:1px solid var(--border);background:#FBFDFE;
  padding:0 14px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder{color:#A8B7C3;}
.field input:focus{
  outline:none;background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,111,168,.25);
}
.field input.is-error{border-color:var(--error);box-shadow:0 0 0 3px rgba(214,69,69,.16);}
.field-error{display:none;font-size:12.5px;color:var(--error);margin-top:6px;}
.field-error.show{display:block;}
.form-row{display:grid;grid-template-columns:1fr 132px;gap:12px;align-items:end;}
.captcha-box{
  height:46px;border-radius:10px;border:1px dashed #C3D7E6;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;
  font-family:ui-monospace,Consolas,monospace;font-weight:700;
  letter-spacing:.22em;color:var(--primary-deep);font-size:16px;
  user-select:none;cursor:pointer;
}
.form-note{font-size:12.5px;color:var(--text-weak);margin-top:12px;line-height:1.7;}
.form-msg{
  display:none;margin-top:14px;padding:11px 14px;border-radius:10px;font-size:13.5px;
}
.form-msg.is-success{display:block;background:#EAF7F0;border:1px solid #A9DEC4;color:#1F7A51;}
.form-msg.is-error{display:block;background:#FCEDED;border:1px solid #F0BFBF;color:#A93232;}

/* ===== 数据/证据 ===== */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.proof-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px 22px;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;
}
.proof-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.proof-num{
  font-family:ui-monospace,Consolas,monospace;font-size:30px;font-weight:800;
  color:var(--primary-deep);letter-spacing:-.03em;
}
.proof-num small{font-size:15px;font-weight:700;margin-left:2px;color:var(--text-muted);}
.proof-label{font-size:14.5px;font-weight:700;margin-top:10px;}
.proof-desc{font-size:13.5px;color:var(--text-weak);margin-top:6px;line-height:1.7;}

/* ===== 最新信息列表 ===== */
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.news-list{display:flex;flex-direction:column;gap:18px;}
.news-card{
  display:grid;grid-template-columns:212px 1fr;gap:24px;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:18px;box-shadow:0 6px 18px rgba(20,43,59,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  color:var(--text);
}
.news-card:hover{
  transform:translateY(-3px);box-shadow:var(--shadow-2);
  border-color:#C6DFF0;text-decoration:none;color:var(--text);
}
.news-thumb{
  border-radius:14px;overflow:hidden;height:132px;background:#DCE8F1;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding-right:8px;min-width:0;}
.chip-mini{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-deep);
  font-size:12.5px;font-weight:700;margin-bottom:10px;
}
.news-body h3{
  font-size:19px;line-height:1.5;color:var(--text);
  transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-body h3{color:var(--primary);}
.news-body p{
  margin-top:10px;font-size:14.5px;color:var(--text-muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:14px;display:flex;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-weak);
}
.empty-state{
  background:var(--primary-soft);border:1px dashed #BEDCF0;border-radius:var(--radius-lg);
  padding:44px 24px;text-align:center;color:var(--primary-deep);
  font-size:15px;font-weight:600;
}
.empty-state span{display:block;font-size:13.5px;font-weight:400;color:var(--text-muted);margin-top:8px;}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:52px;align-items:start;}
.faq-aside .section-title{font-size:30px;}
.faq-aside p{margin-top:16px;color:var(--text-muted);font-size:15.5px;}
.faq-aside .btn{margin-top:24px;}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;text-align:left;
  padding:22px 16px;font-size:17px;font-weight:700;color:var(--text);
  border-radius:12px;transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:var(--primary-soft);color:var(--primary-deep);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  border:1px solid var(--border);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;color:var(--primary);line-height:1;
  transition:transform .25s ease,background .2s ease;
}
.faq-item.is-open .faq-icon{background:var(--primary);color:#fff;border-color:var(--primary);}
.faq-a{
  display:none;padding:0 16px 24px 16px;
  font-size:15.5px;color:var(--text-muted);line-height:1.9;
}
.faq-item.is-open .faq-a{display:block;}

/* ===== 页脚 ===== */
.site-footer{
  background:#10354E;color:#C8D9E5;margin-top:0;padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;}
.footer-brand:hover{color:#fff;text-decoration:none;}
.footer-brand .brand-mark{box-shadow:none;background:linear-gradient(135deg,#2E8CC4,#2BAE9E);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:#9FBACB;max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:#9FBACB;}
.footer-links a:hover{color:#fff;text-decoration:none;}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.footer-chips a{
  font-size:13px;padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.08);color:#C8D9E5;
}
.footer-chips a:hover{background:rgba(255,255,255,.18);color:#fff;text-decoration:none;}
.footer-contact{font-size:14px;color:#9FBACB;line-height:1.95;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;font-size:13px;color:#8FAABD;
}
.back-top{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:#C8D9E5;background:rgba(255,255,255,.08);
  padding:8px 14px;border-radius:999px;
}
.back-top:hover{background:rgba(255,255,255,.18);color:#fff;text-decoration:none;}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .container{padding:0 22px;}
  .hero h1{font-size:38px;}
}
@media (max-width:1024px){
  .nav-chips{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-primary{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-frame img{height:340px;}
  .hero-float{right:16px;bottom:-18px;}
  .feature-layout{grid-template-columns:1fr;gap:34px;}
  .feature-aside{position:static;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:158px;}
  .gal-a{grid-column:span 2;grid-row:span 2;}
  .gal-b{grid-column:span 2;grid-row:span 1;}
  .gal-c,.gal-d{grid-column:span 1;}
  .gal-e{grid-column:span 2;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:34px;}
  .proof-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .topbar-inner{gap:10px;}
  .topbar-label{display:none;}
  .cd-cell{padding:3px 8px;}
  .cd-num{font-size:15px;}
  .cd-unit{display:none;}
  .topbar-cta{font-size:12.5px;}
  .brand{font-size:16.5px;}
  .brand-mark{width:32px;height:32px;font-size:13px;}
  .hero{padding:52px 0 62px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px;}
  .hero-frame img{height:280px;}
  .hero-float{position:static;margin-top:18px;box-shadow:var(--shadow-1);}
  .feature-grid{grid-template-columns:1fr;}
  .feature-card:nth-child(2),.feature-card:nth-child(4){margin-top:0;}
  .gallery{grid-template-columns:1fr;grid-auto-rows:196px;}
  .gal-a,.gal-b,.gal-c,.gal-d,.gal-e{grid-column:span 1;grid-row:span 1;}
  .news-card{grid-template-columns:1fr;gap:16px;}
  .news-thumb{height:180px;}
  .news-body{padding-right:0;}
  .proof-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:20px;}
  .cta-band h2{font-size:24px;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{justify-content:flex-start;}
  .section-title{font-size:25px;}
  .faq-q{font-size:16px;padding:18px 12px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .hero h1{font-size:27px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
  .btn-lg{padding:14px 22px;font-size:15px;}
  .mobile-chips .nav-chip{font-size:13px;padding:7px 13px;}
  .gal-item{grid-auto-rows:170px;}
}

/* roulang page: article */
*,*::before,*::after{box-sizing:border-box;}
:root{
  --primary:#1F6FA8;
  --primary-deep:#15527A;
  --primary-soft:#E8F2F9;
  --accent:#F26B4A;
  --accent-deep:#D8542F;
  --teal:#2BAE9E;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#142B3B;
  --text-muted:#4F6B7C;
  --text-weak:#8A9AA8;
  --border:#DDE7EF;
  --success:#2E9E6B;
  --warning:#E0A21A;
  --error:#D64545;
  --radius-card:18px;
  --radius-btn:11px;
  --radius-chip:999px;
  --shadow-sm:0 4px 14px rgba(20,43,59,.06);
  --shadow:0 10px 30px rgba(20,43,59,.08);
  --shadow-lg:0 14px 36px rgba(20,43,59,.12);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;
  --container:1200px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:750;line-height:1.3;color:var(--text);letter-spacing:.2px;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.35em;}
:focus-visible{outline:3px solid rgba(31,111,168,.35);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 顶部倒计时提示条 ---------- */
.topbar{
  background:var(--primary-soft);
  border-bottom:1px solid var(--border);
  font-size:14px;
  color:var(--primary-deep);
}
.topbar-inner{
  display:flex;align-items:center;gap:16px;
  min-height:46px;padding:6px 0;
}
.topbar-tag{
  flex:none;display:inline-flex;align-items:center;gap:6px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-chip);padding:3px 12px;font-weight:700;
  color:var(--primary-deep);font-size:13px;
}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(242,107,74,.16);}
.topbar-nums{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:.5px;}
.topbar-num{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:2px 8px;min-width:36px;text-align:center;}
.topbar-num small{display:block;font-size:10px;font-weight:600;color:var(--text-weak);letter-spacing:0;font-family:var(--font);}
.topbar-link{margin-left:auto;font-weight:700;color:var(--accent-deep);white-space:nowrap;}
.topbar-link:hover{text-decoration:underline;color:var(--accent-deep);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:70px;padding:10px 0;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(31,111,168,.28);
}
.brand-text{font-size:18px;font-weight:700;color:var(--text);white-space:nowrap;}
.brand-text b{color:var(--primary);font-weight:800;}
.nav-chips{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  flex:none;padding:8px 14px;border-radius:var(--radius-chip);
  background:#F1F5F8;color:var(--text-muted);font-size:14px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
}
.nav-chip:hover{background:var(--surface);color:var(--primary);border-color:var(--border);box-shadow:var(--shadow-sm);}
.nav-chip.is-active{background:var(--primary-soft);color:var(--primary-deep);border-color:rgba(31,111,168,.32);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface);position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:20px;height:2px;background:var(--text);border-radius:2px;content:"";
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-panel{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(31,111,168,.24);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(31,111,168,.3);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,107,74,.26);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,107,74,.32);}
.btn-ghost{background:var(--surface);color:var(--primary);border-color:rgba(31,111,168,.35);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep);border-color:var(--primary);transform:translateY(-2px);}
.btn:active{transform:translateY(0);box-shadow:none;}
.btn-block{width:100%;}

/* ---------- 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-chip);
  background:var(--primary-soft);color:var(--primary-deep);
  font-size:13px;font-weight:700;
}
.badge-accent{background:rgba(242,107,74,.12);color:var(--accent-deep);}
.badge-teal{background:rgba(43,174,158,.14);color:#1F8578;}

/* ---------- 文章头部 ---------- */
.page-hero{
  background:
    radial-gradient(circle at 14% 20%, rgba(31,111,168,.09) 0,rgba(31,111,168,0) 46%),
    linear-gradient(180deg,#F7FAFD 0%,#EFF6FB 100%);
  border-bottom:1px solid var(--border);
  padding:28px 0 34px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);margin-bottom:18px;}
.breadcrumb a{color:var(--text-muted);font-weight:600;}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline;}
.breadcrumb .sep{color:#B9C8D3;}
.breadcrumb .current{color:var(--text);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{max-width:820px;}
.article-head h1{
  font-size:38px;line-height:1.28;letter-spacing:.2px;margin:14px 0 16px;font-weight:800;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px;color:var(--text-muted);}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .meta-item::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);flex:none;}
.article-lede{
  margin-top:18px;font-size:16px;color:var(--text-muted);
  padding-left:14px;border-left:3px solid var(--primary);
}

/* ---------- 正文布局 ---------- */
.section{padding:56px 0;}
.section-tight{padding-top:40px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;}
.article-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:38px 42px;
}
.prose{max-width:800px;font-size:17.5px;line-height:1.9;color:#1D3849;overflow-wrap:break-word;}
.prose>*:first-child{margin-top:0;}
.prose p{margin:0 0 1.15em;}
.prose h2{
  font-size:27px;margin:1.7em 0 .7em;padding-left:14px;
  border-left:5px solid var(--primary);border-radius:3px;font-weight:750;
}
.prose h3{font-size:21px;margin:1.5em 0 .6em;color:var(--primary-deep);}
.prose h4{font-size:18px;margin:1.35em 0 .5em;color:var(--text);}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.3em;}
.prose li{margin-bottom:.5em;}
.prose ul li::marker{color:var(--primary);}
.prose img{border-radius:12px;margin:1.4em 0 .6em;box-shadow:var(--shadow-sm);}
.prose figure{margin:1.5em 0;}
.prose figcaption{font-size:13px;color:var(--text-weak);text-align:center;margin-top:8px;}
.prose blockquote{
  margin:1.6em 0;padding:14px 20px;border-left:3px solid var(--primary);
  background:var(--primary-soft);border-radius:0 12px 12px 0;color:var(--primary-deep);
  font-size:16.5px;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;display:block;overflow-x:auto;}
.prose th,.prose td{border:1px solid var(--border);padding:10px 14px;text-align:left;}
.prose th{background:var(--primary-soft);color:var(--primary-deep);font-weight:700;}
.prose tr:nth-child(even) td{background:#FAFCFE;}
.prose hr{border:0;border-top:1px solid var(--border);margin:2.2em 0;}
.prose code{background:#EEF4F9;border-radius:6px;padding:2px 6px;font-family:var(--mono);font-size:14px;color:var(--primary-deep);}
.prose a{color:var(--primary);font-weight:600;border-bottom:1px solid rgba(31,111,168,.35);}
.prose a:hover{color:var(--primary-deep);border-bottom-color:var(--primary-deep);}

.empty-state{
  background:var(--primary-soft);border:1px dashed rgba(31,111,168,.4);
  border-radius:var(--radius-card);padding:44px 28px;text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
  background:var(--surface);display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--primary);box-shadow:var(--shadow-sm);
}
.empty-state h3{font-size:20px;margin-bottom:8px;}
.empty-state p{color:var(--text-muted);margin-bottom:20px;font-size:15px;}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:96px;display:grid;gap:18px;}
.side-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);padding:22px;
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--accent);}
.side-list{display:grid;gap:10px;list-style:none;padding:0;margin:0;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:12px;background:#F6FAFD;
  font-size:14px;font-weight:600;color:var(--text-muted);border:1px solid transparent;
}
.side-list a:hover{background:var(--primary-soft);color:var(--primary-deep);border-color:rgba(31,111,168,.25);transform:translateY(-2px);}
.side-list a span{color:var(--text-weak);font-size:12px;font-weight:600;}
.side-info{display:grid;gap:12px;font-size:14px;color:var(--text-muted);}
.side-info div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--border);padding-bottom:10px;}
.side-info div:last-child{border-bottom:0;padding-bottom:0;}
.side-info b{color:var(--text);font-weight:700;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  border-radius:24px;overflow:hidden;position:relative;
  border:1px solid var(--border);
  background-image:linear-gradient(100deg,rgba(21,82,122,.9) 0%,rgba(31,111,168,.82) 55%,rgba(43,174,158,.7) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  padding:44px 46px;display:flex;align-items:center;gap:34px;flex-wrap:wrap;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.88);font-size:15px;margin:0;max-width:52ch;}
.cta-band .cta-actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}

/* ---------- 相关推荐 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(31,111,168,.3);}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--primary-deep);box-shadow:var(--shadow-sm);}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:18px;line-height:1.5;}
.rel-card:hover .rel-body h3{color:var(--primary);}
.rel-body p{font-size:14px;color:var(--text-muted);margin:0;flex:1;}
.rel-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-weak);}
.rel-meta a{font-weight:700;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F2F45;color:#C7D8E4;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:56px 0 36px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px;}
.footer-brand:hover{color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:#A8C0D0;margin:0;max-width:36ch;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:#B7CDDC;font-size:14px;}
.footer-links a:hover{color:#fff;background:rgba(255,255,255,.08);border-radius:8px;padding-left:6px;color:#fff;}
.footer-contact p{font-size:14px;color:#B7CDDC;margin:0 0 10px;}
.footer-contact b{color:#fff;font-weight:700;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;
  font-size:13px;color:#93AFC2;
}
.back-top{color:#C7D8E4;font-weight:700;}
.back-top:hover{color:#fff;text-decoration:underline;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{max-width:1120px;}
  .article-head h1{font-size:34px;}
}
@media (max-width:1024px){
  .nav-chips{display:none;}
  .nav-toggle{display:block;}
  .mobile-panel{
    display:none;border-top:1px solid var(--border);padding:16px 0 22px;
  }
  .mobile-panel.is-open{display:block;}
  .mobile-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .side{position:static;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:36px 30px;}
  .cta-band .cta-actions{margin-left:0;width:100%;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .topbar-nums .topbar-num:nth-child(n+3){display:none;}
  .topbar-inner{gap:10px;}
  .topbar-link{font-size:13px;}
  .nav-inner{min-height:62px;}
  .brand-text{font-size:16px;}
  .nav-actions .btn-accent{padding:9px 14px;font-size:14px;}
  .page-hero{padding:22px 0 26px;}
  .article-head h1{font-size:28px;}
  .article-card{padding:24px 20px;border-radius:16px;}
  .prose{font-size:16.5px;line-height:1.85;}
  .prose h2{font-size:22px;}
  .prose h3{font-size:19px;}
  .section{padding:40px 0;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{border-radius:18px;padding:28px 22px;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;padding:40px 0 26px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .article-head h1{font-size:25px;}
  .btn{width:100%;}
  .nav-actions .btn-accent{width:auto;}
  .btn-block{width:100%;}
  .side-card{padding:18px;}
}

/* roulang page: category1 */
:root{
  --primary:#1F6FA8;
  --primary-deep:#15527A;
  --primary-soft:#E8F2F9;
  --accent:#F26B4A;
  --accent-deep:#D9532F;
  --teal:#2BAE9E;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#142B3B;
  --text-muted:#4F6B7C;
  --text-weak:#8A9AA8;
  --border:#DDE7EF;
  --success:#2E9E6B;
  --warning:#E0A21A;
  --error:#D64545;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-sm:0 4px 14px rgba(20,43,59,.06);
  --shadow-md:0 10px 30px rgba(20,43,59,.08);
  --shadow-lg:0 14px 36px rgba(20,43,59,.12);
  --section-pad:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease;}
a:hover{color:var(--primary-deep);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
:focus-visible{outline:3px solid rgba(31,111,168,.35);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 10px rgba(20,43,59,.04);
}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);font-weight:700;}
.brand:hover{color:var(--primary-deep);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--teal));
  color:#fff;font-size:14px;font-weight:800;letter-spacing:.5px;
}
.brand-text{font-size:17px;letter-spacing:.3px;}
.brand-text b{font-weight:800;color:var(--primary-deep);}
.nav-chips{
  display:flex;align-items:center;gap:6px;flex:1 1 auto;
  overflow-x:auto;scrollbar-width:none;padding:4px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  flex:0 0 auto;
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-muted);
  background:#F1F5F9;
  border:1px solid transparent;
  white-space:nowrap;
}
.nav-chip:hover{background:#fff;color:var(--primary-deep);box-shadow:var(--shadow-sm);}
.nav-chip.is-active{
  background:var(--primary-soft);
  color:var(--primary-deep);
  border-color:rgba(31,111,168,.35);
  font-weight:600;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--border);background:#fff;
  position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--text);border-radius:2px;transform:translateX(-50%);
  content:"";transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;left:0;transform:none;}
.nav-toggle span::after{top:6px;left:0;transform:none;}
.mobile-panel{display:none;border-top:1px solid var(--border);padding:16px 0 20px;background:#fff;}
.mobile-panel.is-open{display:block;}
.mobile-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .2s ease;text-align:center;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(31,111,168,.24);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(31,111,168,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(31,111,168,.22);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(242,107,74,.26);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(242,107,74,.32);}
.btn-ghost{background:#fff;color:var(--primary-deep);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-deep);}
.btn-block{width:100%;}
.btn[disabled]{background:#D7E1E9;color:#8A9AA8;box-shadow:none;cursor:not-allowed;transform:none;border-color:transparent;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13.5px;color:var(--text-weak);}
.crumb a{color:var(--text-muted);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{color:#C3D0DA;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:#fff;
  border-bottom:1px solid var(--border);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(31,111,168,.14) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(110deg,rgba(0,0,0,.75),transparent 62%);
  mask-image:linear-gradient(110deg,rgba(0,0,0,.75),transparent 62%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:64px 0 72px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:var(--primary-soft);
  color:var(--primary-deep);font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:18px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block;font-style:normal;}
.hero-title{font-size:44px;font-weight:800;letter-spacing:.5px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-sub{margin-top:18px;font-size:17px;color:var(--text-muted);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-note{margin-top:14px;font-size:13.5px;color:var(--text-weak);}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-lg);
}
.hero-badge{
  position:absolute;top:18px;left:18px;
  background:rgba(255,255,255,.94);border:1px solid var(--border);
  border-radius:999px;padding:7px 15px;font-size:13px;font-weight:600;color:var(--primary-deep);
  box-shadow:var(--shadow-sm);
}
.hero-card{
  position:absolute;right:-6px;bottom:-22px;width:230px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:16px 18px;box-shadow:var(--shadow-lg);
}
.hero-card .hc-label{font-size:12.5px;color:var(--text-weak);letter-spacing:.4px;}
.hero-card .hc-value{font-size:22px;font-weight:800;color:var(--text);margin-top:2px;}
.hero-card .hc-bar{margin-top:10px;height:7px;border-radius:999px;background:#EAF1F7;overflow:hidden;}
.hero-card .hc-bar i{display:block;height:100%;width:62%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--teal));}
.hero-card .hc-foot{margin-top:8px;font-size:12.5px;color:var(--text-muted);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section-pad) 0;}
.section.alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-tag{
  display:inline-block;padding:5px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-deep);
  font-size:12.5px;font-weight:600;letter-spacing:.6px;margin-bottom:14px;
}
.section-title{font-size:31px;}
.section-sub{margin-top:12px;color:var(--text-muted);font-size:16px;}

/* ---------- 规则摘要数据块 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:22px 20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.stat-num{font-family:ui-monospace,Consolas,"SFMono-Regular",monospace;font-size:26px;font-weight:800;color:var(--primary-deep);}
.stat-label{margin-top:6px;font-size:15px;font-weight:600;}
.stat-desc{margin-top:8px;font-size:14px;color:var(--text-muted);line-height:1.7;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:20px;}
.tl-item{
  display:grid;grid-template-columns:70px 1fr;gap:20px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-item:hover{transform:translateX(4px);border-color:rgba(31,111,168,.4);box-shadow:var(--shadow-md);}
.tl-index{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-deep);
  font-family:ui-monospace,Consolas,monospace;font-size:19px;font-weight:800;
}
.tl-body h3{font-size:20px;}
.tl-body p{margin-top:8px;color:var(--text-muted);font-size:15.5px;}
.tl-meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12.5px;
  background:#F1F5F9;color:var(--text-muted);border:1px solid var(--border);
}
.chip.teal{background:rgba(43,174,158,.12);color:#1C7C70;border-color:rgba(43,174,158,.3);}
.chip.warn{background:rgba(224,162,26,.14);color:#9A6E08;border-color:rgba(224,162,26,.34);}

/* ---------- 规则卡片 ---------- */
.rule-heads{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;}
.rule-sticky{position:sticky;top:96px;}
.rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.rule-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-sm);position:relative;transition:transform .2s ease,box-shadow .2s ease;
}
.rule-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.rule-card:nth-child(2){margin-top:28px;}
.rule-card:nth-child(3){margin-top:-28px;}
.rule-num{
  font-family:ui-monospace,Consolas,monospace;font-size:13px;font-weight:700;letter-spacing:1.5px;
  color:var(--accent);
}
.rule-card h3{margin-top:10px;font-size:20px;}
.rule-card p{margin-top:10px;font-size:15px;color:var(--text-muted);}
.rule-card ul{margin-top:12px;display:grid;gap:8px;}
.rule-card li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-muted);}
.rule-card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--primary);opacity:.6;}

/* ---------- 注意事项 ---------- */
.notice-box{
  display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;
}
.notice-list{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:8px 24px;box-shadow:var(--shadow-sm);}
.notice-list li{
  display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--border);font-size:15.5px;
}
.notice-list li:last-child{border-bottom:none;}
.notice-list b{display:block;font-size:16px;margin-bottom:4px;}
.notice-list span{color:var(--text-muted);font-size:14.5px;}
.notice-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-deep);font-weight:800;font-size:14px;
}
.quote-card{
  background:linear-gradient(160deg,#F1F8FC,#FFFFFF);
  border:1px solid var(--border);border-left:4px solid var(--primary);
  border-radius:var(--radius-md);padding:26px;box-shadow:var(--shadow-sm);
}
.quote-card p{font-size:15.5px;color:var(--text-muted);}
.quote-card .quote-strong{margin-top:14px;font-size:17px;font-weight:700;color:var(--text);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease,background-color .2s ease;
}
.faq-item:hover{background:#FBFDFF;border-color:rgba(31,111,168,.35);box-shadow:var(--shadow-sm);}
.faq-item[open]{box-shadow:var(--shadow-md);border-color:rgba(31,111,168,.45);}
.faq-q{
  cursor:pointer;list-style:none;display:flex;align-items:flex-start;gap:14px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::after{
  content:"+";margin-left:auto;flex:0 0 auto;
  width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-deep);font-size:16px;font-weight:700;line-height:1;
}
.faq-item[open] .faq-q::after{content:"−";background:var(--primary);color:#fff;}
.faq-a{padding:0 22px 22px 58px;font-size:15.5px;color:var(--text-muted);}
.faq-side{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-sm);
}
.faq-side h3{font-size:18px;margin-bottom:12px;}
.faq-side p{font-size:14.5px;color:var(--text-muted);}
.faq-side .btn{margin-top:16px;}

/* ---------- CTA + 表单 ---------- */
.cta-band{
  background:linear-gradient(135deg,#15527A,#1F6FA8 58%,#2BAE9E 130%);
  border-radius:24px;padding:44px;color:#fff;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  box-shadow:0 20px 44px rgba(21,82,122,.28);
}
.cta-band h2{font-size:30px;color:#fff;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.86);font-size:15.5px;}
.cta-points{margin-top:20px;display:grid;gap:10px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.9);}
.cta-points li::before{content:"✓";color:#8FE3D4;font-weight:800;}
.form-card{background:#fff;border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-lg);}
.form-grid{display:grid;gap:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--text);}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid var(--border);background:#FBFDFF;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field input::placeholder{color:var(--text-weak);}
.field input:hover{border-color:#C6D6E2;}
.field input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(31,111,168,.18);}
.field.is-error input{border-color:var(--error);box-shadow:0 0 0 3px rgba(214,69,69,.14);}
.field .err{display:none;margin-top:6px;font-size:13px;color:var(--error);}
.field.is-error .err{display:block;}
.form-tip{margin-top:12px;font-size:13px;color:var(--text-weak);line-height:1.7;}
.form-status{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--radius-sm);
  font-size:14px;border:1px solid transparent;
}
.form-status.ok{display:block;background:rgba(46,158,107,.1);border-color:rgba(46,158,107,.4);color:#1F7550;}
.form-status.fail{display:block;background:rgba(214,69,69,.08);border-color:rgba(214,69,69,.4);color:#A83232;}

/* ---------- 相关入口 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.related-card .thumb{position:relative;overflow:hidden;}
.related-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.related-card:hover .thumb img{transform:scale(1.04);}
.related-card .tag{
  position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);
  border-radius:999px;padding:4px 11px;font-size:12.5px;font-weight:600;color:var(--primary-deep);
}
.related-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{font-size:18px;}
.related-body p{font-size:14.5px;color:var(--text-muted);flex:1;}
.related-body .more{font-size:14px;font-weight:600;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F2E44;color:#C7D9E6;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:linear-gradient(140deg,#2BAE9E,#1F6FA8);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:#9FB9CC;max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:#9FB9CC;font-size:14.5px;}
.footer-links a:hover{color:#fff;background:rgba(255,255,255,.06);border-radius:6px;padding-left:6px;}
.footer-contact{display:grid;gap:10px;font-size:14px;color:#9FB9CC;}
.footer-contact b{color:#DCEAF4;font-weight:600;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13.5px;color:#8FAAC0;
}
.back-top{color:#C7D9E6;font-size:13.5px;}
.back-top:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{max-width:1140px;}
  .hero-title{font-size:40px;}
}
@media (max-width:1024px){
  :root{--section-pad:64px;}
  .nav-chips{display:none;}
  .nav-toggle{display:block;}
  .nav-actions .btn{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:48px 0 56px;}
  .hero-figure{max-width:620px;}
  .hero-card{right:12px;bottom:-18px;width:210px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .rule-heads{grid-template-columns:1fr;gap:28px;}
  .rule-sticky{position:static;}
  .rule-card:nth-child(2),.rule-card:nth-child(3){margin-top:0;}
  .notice-box{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:34px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  :root{--section-pad:52px;}
  .container{padding:0 20px;}
  .hero-title{font-size:32px;}
  .hero-sub{font-size:16px;}
  .section-title{font-size:25px;}
  .stat-grid{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:1fr;gap:14px;padding:20px;}
  .timeline{gap:14px;}
  .rule-grid{grid-template-columns:1fr;}
  .faq-a{padding:0 20px 20px 20px;}
  .faq-q{padding:18px;font-size:16px;}
  .related-grid{grid-template-columns:1fr;}
  .hero-card{position:static;width:100%;margin-top:16px;}
  .hero-badge{top:12px;left:12px;}
  .cta-band{border-radius:18px;padding:26px 22px;}
  .cta-band h2{font-size:24px;}
  .form-card{padding:20px;}
  .hero-actions .btn{width:100%;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  :root{--section-pad:44px;}
  .hero-title{font-size:28px;}
  .brand-text{font-size:15.5px;}
  .stat-num{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{padding:12px 18px;}
  .notice-list{padding:6px 18px;}
}

/* roulang page: category2 */
:root{
  --primary:#1F6FA8;
  --primary-deep:#15527A;
  --primary-soft:#E8F2F9;
  --accent:#F26B4A;
  --accent-deep:#E05936;
  --teal:#2BAE9E;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#142B3B;
  --text-muted:#4F6B7C;
  --text-weak:#8A9AA8;
  --border:#DDE7EF;
  --success:#2E9E6B;
  --warning:#E0A21A;
  --error:#D64545;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 4px 14px rgba(20,43,59,.06);
  --shadow:0 10px 30px rgba(20,43,59,.08);
  --shadow-lg:0 14px 36px rgba(20,43,59,.12);
  --container:1200px;
  --font:"system-ui","-apple-system","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-deep);text-decoration:underline}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.35;font-weight:700;color:var(--text)}
h1{font-size:40px;font-weight:800;letter-spacing:-.5px}
h2{font-size:30px;font-weight:800}
h3{font-size:20px}
p{margin:0 0 14px;color:var(--text-muted)}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,111,168,.28);border-radius:8px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin-bottom:12px}
.section-head p{margin:0;font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;letter-spacing:.4px;
  color:var(--primary);background:var(--primary-soft);
  border:1px solid rgba(31,111,168,.16);
  padding:4px 12px;border-radius:999px;margin-bottom:16px;
}
.eyebrow.light{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.34);color:#fff}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  text-decoration:none;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,107,74,.26)}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,107,74,.34)}
.btn-accent:active{transform:translateY(0);box-shadow:0 6px 14px rgba(242,107,74,.28)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(31,111,168,.24)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--primary-deep);border-color:var(--border);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:rgba(255,255,255,.26);color:#fff}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-block{width:100%}

/* ============ 倒计时条 ============ */
.countdown-bar{
  background:linear-gradient(90deg,#E8F2F9 0%,#F4FAFF 55%,#EFF8F6 100%);
  border-bottom:1px solid var(--border);
  font-size:14px;
}
.countdown-inner{display:flex;align-items:center;gap:18px;min-height:48px;padding-top:6px;padding-bottom:6px}
.cd-label{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--primary-deep)}
.cd-label::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(43,174,158,.16)}
.cd-clock{display:flex;align-items:center;gap:6px;margin-left:auto}
.cd-cell{
  display:inline-flex;align-items:baseline;gap:2px;
  background:#fff;border:1px solid var(--border);border-radius:8px;
  padding:2px 9px;box-shadow:0 2px 6px rgba(20,43,59,.05);
}
.cd-cell b{font-family:ui-monospace,Consolas,"Courier New",monospace;font-size:16px;color:var(--accent);font-weight:700;letter-spacing:.5px}
.cd-cell i{font-style:normal;font-size:12px;color:var(--text-weak)}
.cd-link{font-weight:600;white-space:nowrap}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--text);text-decoration:none;white-space:nowrap}
.brand:hover{text-decoration:none;color:var(--text)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:14px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(31,111,168,.28);
}
.brand-text b{color:var(--primary)}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1;overflow-x:auto;padding:6px 2px;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--text-muted);
  background:#F1F5F9;border:1px solid transparent;
  white-space:nowrap;text-decoration:none;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-chip:hover{background:#fff;color:var(--primary-deep);border-color:var(--border);box-shadow:var(--shadow-sm);text-decoration:none}
.nav-chip.is-active{background:var(--primary-soft);color:var(--primary-deep);border-color:rgba(31,111,168,.3);box-shadow:inset 0 -2px 0 var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:11px;
  border:1px solid var(--border);background:#fff;position:relative;cursor:pointer;
}
.nav-toggle span{position:absolute;left:12px;right:12px;top:50%;height:2px;background:var(--text);border-radius:2px;transform:translateY(-50%)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
.nav-toggle:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.mobile-panel{display:none;border-top:1px solid var(--border);padding:16px 0 22px}
body.nav-open .mobile-panel{display:block}
.mobile-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:72px 0 84px;background:linear-gradient(180deg,#F6F9FC 0%,#EFF6FB 100%)}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(31,111,168,.16) 1px,transparent 1px);
  background-size:24px 24px;opacity:.55;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-180px;top:-220px;
  background:radial-gradient(circle,rgba(43,174,158,.18),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;text-align:center;max-width:900px;margin:0 auto}
.hero h1{margin-bottom:18px}
.hero-sub{font-size:17px;max-width:700px;margin:0 auto 28px;color:var(--text-muted)}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin:0 auto 40px;max-width:820px;
}
.stat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:16px 12px;box-shadow:var(--shadow-sm);text-align:center;
  transition:transform .22s ease,box-shadow .22s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat-card b{display:block;font-size:22px;font-weight:800;color:var(--primary-deep);letter-spacing:.3px}
.stat-card span{display:block;font-size:13px;color:var(--text-weak);margin-top:2px}
.hero-stage{
  position:relative;margin:0;border-radius:22px;overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow-lg);background:#fff;
}
.hero-stage img{width:100%;aspect-ratio:21/9;object-fit:cover}
.stage-tag{
  position:absolute;left:18px;top:18px;
  background:rgba(255,255,255,.94);color:var(--primary-deep);
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;
  box-shadow:var(--shadow-sm);
}
.stage-float{
  position:absolute;right:18px;bottom:18px;
  background:rgba(20,43,59,.78);color:#fff;
  font-size:13px;font-weight:600;padding:8px 14px;border-radius:var(--radius-sm);
  backdrop-filter:blur(4px);
}
.hero-path{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:22px;font-size:13px;color:var(--text-weak)}
.hero-path a{color:var(--text-muted)}
.hero-path span{color:var(--text-weak)}

/* ============ 筛选与图墙 ============ */
.filter-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:34px}
.filter-chip{
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;
  background:#fff;border:1px solid var(--border);color:var(--text-muted);
  cursor:pointer;transition:all .2s ease;
}
.filter-chip:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.filter-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(31,111,168,.26)}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.g-item{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.g-item.wide{grid-column:span 2}
.g-item img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .45s ease}
.g-item.wide img{aspect-ratio:16/9}
.g-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.g-item:hover img{transform:scale(1.04)}
.g-item.is-hidden{display:none}
.g-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--primary-deep);
  font-size:12px;font-weight:700;padding:4px 11px;border-radius:999px;
}
.g-info{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:34px 18px 16px;
  background:linear-gradient(to top,rgba(9,32,48,.86),rgba(9,32,48,.5) 55%,rgba(9,32,48,0));
  color:#fff;
}
.g-info h3{font-size:17px;color:#fff;margin:0 0 4px}
.g-info p{font-size:13px;color:rgba(255,255,255,.82);margin:0}
.gallery-note{text-align:center;font-size:13px;color:var(--text-weak);margin:26px 0 0}

/* ============ 看点解读 ============ */
.insight-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.insight-intro{position:sticky;top:110px}
.insight-intro h2{margin-bottom:14px}
.insight-intro p{font-size:16px}
.insight-list{display:grid;gap:18px}
.insight-card{
  display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:18px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.insight-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.insight-card img{border-radius:var(--radius-md);aspect-ratio:4/3;object-fit:cover;width:100%}
.insight-card h3{margin-bottom:8px}
.insight-card p{margin:0;font-size:15px}
.insight-num{
  display:inline-block;font-size:13px;font-weight:800;color:var(--primary);
  background:var(--primary-soft);border-radius:6px;padding:2px 9px;margin-bottom:10px;
}

/* ============ 热度排行 ============ */
.rank-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:36px;align-items:start}
.rank-list{display:grid;gap:12px}
.rank-item{
  display:grid;grid-template-columns:46px 1fr 150px;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:16px 18px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rank-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:rgba(31,111,168,.3)}
.rank-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:11px;font-weight:800;font-size:15px;
  background:#F1F5F9;color:var(--text-muted);
}
.rank-item:nth-child(1) .rank-no{background:var(--accent);color:#fff}
.rank-item:nth-child(2) .rank-no{background:#EAF2F8;color:var(--primary-deep)}
.rank-item:nth-child(3) .rank-no{background:#EAF7F4;color:#177F71}
.rank-body h3{font-size:17px;margin:0 0 2px}
.rank-body p{font-size:13px;margin:0;color:var(--text-weak)}
.rank-bar{background:#F1F5F9;border-radius:999px;height:8px;overflow:hidden}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--teal))}
.rank-score{text-align:right;font-size:13px;color:var(--text-weak);margin-top:6px}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:40px;align-items:start}
.faq-list{display:grid;gap:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item + .faq-item{border-top:1px solid var(--border)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 22px;background:transparent;border:0;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--text);text-align:left;
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:var(--primary-soft);color:var(--primary-deep)}
.faq-q i{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-q i::before,.faq-q i::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.faq-q i::before{left:0;right:0;top:8px;height:2px}
.faq-q i::after{top:0;bottom:0;left:8px;width:2px}
.faq-item.is-open .faq-q i::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{margin:0;padding:0 22px 22px;font-size:15px;line-height:1.85}

/* ============ CTA ============ */
.cta-section{padding-top:20px}
.cta-banner{
  position:relative;overflow:hidden;border-radius:24px;
  padding:52px 48px;color:#fff;
  background-image:linear-gradient(115deg,rgba(21,82,122,.94),rgba(31,111,168,.86)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:center;
  box-shadow:0 20px 46px rgba(21,82,122,.26);
}
.cta-copy h2{color:#fff;margin-bottom:12px}
.cta-copy p{color:rgba(255,255,255,.84);margin:0;font-size:16px;max-width:620px}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-note{font-size:13px;color:rgba(255,255,255,.72);text-align:center}

/* ============ 相关入口 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.entry-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(31,111,168,.28)}
.entry-card h3{font-size:18px;margin-bottom:8px}
.entry-card p{font-size:14px;margin:0 0 14px}
.entry-card .link-more{font-size:14px;font-weight:700}

/* ============ 页脚 ============ */
.site-footer{background:#0F2B3E;color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;text-decoration:none;margin-bottom:14px}
.footer-brand:hover{color:#fff;text-decoration:none}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:0;max-width:400px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-contact p{font-size:14px;color:rgba(255,255,255,.66);text-decoration:none}
.footer-links a:hover{color:#fff;text-decoration:none;background:rgba(255,255,255,.08);border-radius:6px;padding-left:4px}
.footer-contact p{margin:0 0 8px;line-height:1.7}
.footer-contact b{color:rgba(255,255,255,.9);font-weight:600}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:rgba(255,255,255,.55)}
.back-top{color:rgba(255,255,255,.8);font-weight:600}
.back-top:hover{color:#fff;text-decoration:none}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  :root{--container:1120px}
  h1{font-size:36px}
}
@media (max-width:1024px){
  .nav-chips{display:none}
  .nav-toggle{display:block}
  .nav-actions .btn-accent{display:none}
  .gallery-grid{grid-template-columns:repeat(3,1fr)}
  .insight-grid,.faq-grid,.rank-wrap{grid-template-columns:1fr;gap:28px}
  .insight-intro{position:static}
  .cta-banner{grid-template-columns:1fr;padding:42px 34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .entry-grid{grid-template-columns:1fr 1fr}
  .section{padding:64px 0}
}
@media (max-width:768px){
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:18px}
  body{font-size:16px}
  .section{padding:54px 0}
  .hero{padding:52px 0 62px}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-stage img{aspect-ratio:16/10}
  .gallery-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .g-item.wide{grid-column:span 2}
  .g-item.wide img{aspect-ratio:16/9}
  .insight-card{grid-template-columns:1fr;gap:14px}
  .insight-card img{aspect-ratio:16/9}
  .rank-item{grid-template-columns:40px 1fr;gap:14px}
  .rank-meter{grid-column:2}
  .cta-banner{padding:34px 22px;border-radius:20px}
  .entry-grid{grid-template-columns:1fr}
  .cd-label{display:none}
  .cd-clock{margin-left:0}
  .cd-link{margin-left:auto}
  .cd-cell{padding:2px 7px}
  .cd-cell b{font-size:15px}
  .cd-cell i{display:none}
  .countdown-inner{gap:10px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
  .gallery-grid{grid-template-columns:1fr;gap:14px}
  .g-item.wide{grid-column:span 1}
  .g-item img,.g-item.wide img{aspect-ratio:4/3}
  .filter-chips{gap:8px}
  .filter-chip{padding:8px 14px;font-size:13px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .nav-actions .btn{width:auto}
}

/* roulang page: category3 */
:root{
  --primary:#1F6FA8;
  --primary-deep:#15527A;
  --primary-soft:#E8F2F9;
  --accent:#F26B4A;
  --accent-deep:#D9553A;
  --teal:#2BAE9E;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#142B3B;
  --text-muted:#4F6B7C;
  --text-weak:#8A9AA8;
  --border:#DDE7EF;
  --success:#2E9E6B;
  --warning:#E0A21A;
  --error:#D64545;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-chip:999px;
  --shadow-card:0 10px 30px rgba(20,43,59,.08);
  --shadow-hover:0 14px 36px rgba(20,43,59,.12);
  --shadow-soft:0 4px 14px rgba(20,43,59,.06);
  --container:1200px;
  --gap:28px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-deep);text-decoration:underline;}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.35;font-weight:800;color:var(--text);}
h1{font-size:clamp(28px,4vw,42px);letter-spacing:-.5px;}
h2{font-size:clamp(22px,3vw,32px);}
h3{font-size:clamp(18px,2.2vw,21px);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:3px solid rgba(31,111,168,.35);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{color:var(--text-muted);font-size:17px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--primary);background:var(--primary-soft);
  padding:6px 14px;border-radius:var(--radius-chip);margin-bottom:16px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(31,111,168,.24);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;box-shadow:0 12px 26px rgba(31,111,168,.3);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,107,74,.26);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;box-shadow:0 12px 26px rgba(242,107,74,.32);}
.btn-ghost{background:var(--surface);color:var(--primary);border-color:var(--border);box-shadow:var(--shadow-soft);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-deep);box-shadow:var(--shadow-card);}
.btn-block{width:100%;}
.btn[disabled]{background:#E4EBF1;color:var(--text-weak);box-shadow:none;cursor:not-allowed;border-color:#E4EBF1;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,249,252,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:17px;letter-spacing:.2px;}
.brand:hover{text-decoration:none;color:var(--text);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--primary),var(--teal));
  color:#fff;font-size:14px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(31,111,168,.28);
}
.brand-text b{color:var(--primary);font-weight:800;}
.nav-chips{display:flex;align-items:center;gap:6px;flex:1;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  display:inline-block;padding:8px 15px;border-radius:var(--radius-chip);
  font-size:14px;font-weight:600;color:var(--text-muted);
  background:#EDF3F8;border:1px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.nav-chip:hover{background:#fff;color:var(--primary-deep);box-shadow:var(--shadow-soft);text-decoration:none;}
.nav-chip.is-active{background:var(--primary-soft);color:var(--primary);border-color:#BEDCEE;box-shadow:none;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--surface);border:1px solid var(--border);
  position:relative;align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle span::before{transform:translateY(-6px);}
.nav-toggle span::after{transform:translateY(4px);}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:rotate(45deg);}
.nav-toggle.is-open span::after{transform:rotate(-45deg) translateY(-2px);}
.mobile-panel{display:none;padding:0 0 18px;}
.mobile-panel.is-open{display:block;}
.mobile-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 12% 18%,rgba(43,174,158,.10),transparent 42%),
    radial-gradient(circle at 88% 8%,rgba(31,111,168,.12),transparent 46%),
    var(--surface);
  border-bottom:1px solid var(--border);
  padding:64px 0 72px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(31,111,168,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:48px;align-items:start;}
.hero-copy h1{margin-bottom:18px;}
.hero-lead{font-size:17px;color:var(--text-muted);max-width:600px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-note{font-size:13px;color:var(--text-weak);}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.stat{
  flex:1 1 140px;background:var(--surface);border:1px solid var(--border);
  border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-soft);
}
.stat b{display:block;font-size:24px;font-weight:800;color:var(--primary-deep);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat span{font-size:13px;color:var(--text-weak);}

/* ---------- notice aside ---------- */
.hero-aside{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  padding:22px;
}
.aside-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.aside-head h2{font-size:17px;margin:0;}
.live-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--success);}
.live-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(46,158,107,.16);}
.notice-list{display:flex;flex-direction:column;gap:10px;}
.notice-item{
  display:grid;grid-template-columns:auto 1fr;gap:12px;
  padding:13px 14px;border-radius:13px;background:#F8FBFD;
  border:1px solid transparent;transition:all .2s ease;
}
.notice-item:hover{background:var(--primary-soft);border-color:#C9E1F1;transform:translateY(-2px);}
.notice-date{
  font-size:12px;font-weight:700;color:var(--primary);
  background:#fff;border:1px solid var(--border);border-radius:9px;
  padding:5px 8px;text-align:center;line-height:1.3;min-width:56px;
}
.notice-item h3{font-size:14.5px;margin:0 0 4px;font-weight:700;line-height:1.5;}
.notice-item p{font-size:13px;color:var(--text-weak);margin:0;line-height:1.6;}
.aside-foot{margin-top:16px;font-size:13px;color:var(--text-weak);text-align:center;}

/* ---------- tags ---------- */
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-chip);
  font-size:12px;font-weight:700;line-height:1.7;
  background:var(--primary-soft);color:var(--primary);
}
.tag-teal{background:rgba(43,174,158,.12);color:#1F8C7F;}
.tag-accent{background:rgba(242,107,74,.12);color:#C9522F;}
.tag-warn{background:rgba(224,162,26,.15);color:#9A6E0A;}

/* ---------- 公告类型速览 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.rule-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-soft);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rule-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C9E1F1;}
.rule-card .rule-no{
  font-family:ui-monospace,Consolas,"Courier New",monospace;
  font-size:13px;font-weight:800;color:var(--teal);letter-spacing:1px;
}
.rule-card h3{font-size:18px;margin:10px 0 8px;}
.rule-card p{font-size:14.5px;color:var(--text-muted);margin:0;}
.rule-card ul{margin-top:12px;display:flex;flex-direction:column;gap:6px;}
.rule-card li{font-size:13.5px;color:var(--text-muted);padding-left:16px;position:relative;}
.rule-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--teal);opacity:.7;}

/* ---------- 资讯卡片列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--primary-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-thumb .thumb-tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--primary-deep);}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-weak);margin-bottom:10px;}
.news-body h3{font-size:17.5px;margin:0 0 10px;line-height:1.5;}
.news-card:hover .news-body h3{color:var(--primary);}
.news-body p{font-size:14.5px;color:var(--text-muted);margin:0 0 16px;}
.news-link{margin-top:auto;font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.news-card:hover .news-link{color:var(--primary-deep);}

/* ---------- 时间线 ---------- */
.timeline-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
.timeline{position:relative;padding-left:30px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--primary),var(--teal),transparent);border-radius:2px;}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-30px;top:6px;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px rgba(31,111,168,.10);}
.tl-item.is-done::before{border-color:var(--teal);box-shadow:0 0 0 4px rgba(43,174,158,.14);}
.tl-item.is-next::before{border-color:var(--border);box-shadow:0 0 0 4px rgba(138,154,168,.10);}
.tl-time{font-size:12.5px;font-weight:700;color:var(--primary);letter-spacing:.5px;}
.tl-item h3{font-size:17px;margin:6px 0 6px;}
.tl-item p{font-size:14.5px;color:var(--text-muted);margin:0;}
.tl-panel{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-soft);
}
.tl-panel h3{font-size:18px;margin-bottom:14px;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:12px;font-size:14.5px;color:var(--text-muted);}
.check-list li b{color:var(--text);font-weight:700;}
.check-list .ico{
  flex:0 0 22px;height:22px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:3px;
}

/* ---------- 订阅 / CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,#16537C,#1F6FA8 58%,#2BAE9E 130%);
  border-radius:24px;padding:44px;color:#fff;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  box-shadow:0 24px 50px rgba(21,82,122,.24);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-band .container,.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);}
.cta-band p{color:rgba(255,255,255,.86);font-size:15.5px;margin-bottom:0;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.cta-points span{
  font-size:13px;font-weight:600;padding:6px 13px;border-radius:var(--radius-chip);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
}
.form-card{
  background:rgba(255,255,255,.96);border-radius:20px;padding:26px;
  box-shadow:0 16px 40px rgba(9,40,60,.2);
}
.form-card h3{font-size:18px;margin-bottom:6px;color:var(--text);}
.form-card > p{font-size:13.5px;color:var(--text-muted);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--text);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:10px;
  border:1px solid var(--border);background:#F8FBFD;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;padding:12px 14px;resize:vertical;min-height:96px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 3px rgba(31,111,168,.18);
}
.field .hint{font-size:12.5px;color:var(--text-weak);margin-top:6px;}
.field-error input{border-color:var(--error);background:#FDF5F5;}
.field-error .hint{color:var(--error);}
.field-ok input{border-color:var(--success);background:#F4FBF7;}
.field-ok .hint{color:var(--success);}
.form-note{font-size:12.5px;color:var(--text-weak);text-align:center;margin:12px 0 0;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start;}
.faq-side p{color:var(--text-muted);font-size:15.5px;}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 16px;font-size:16.5px;font-weight:700;color:var(--text);
  transition:background .2s ease,color .2s ease;border-radius:10px;
}
.faq-q:hover{background:var(--primary-soft);color:var(--primary-deep);}
.faq-q .sign{
  flex:0 0 26px;height:26px;border-radius:50%;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--primary);background:#fff;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.is-open .faq-q{color:var(--primary-deep);}
.faq-item.is-open .sign{background:var(--primary);color:#fff;border-color:var(--primary);transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 16px 20px;margin:0;font-size:15px;color:var(--text-muted);}

/* ---------- 相关入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.entry-card{
  display:block;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow-soft);transition:all .25s ease;color:var(--text);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C9E1F1;text-decoration:none;color:var(--text);}
.entry-card h3{font-size:17.5px;margin:12px 0 8px;}
.entry-card p{font-size:14.5px;color:var(--text-muted);margin:0 0 12px;}
.entry-card .more{font-size:14px;font-weight:700;color:var(--primary);}

/* ---------- footer ---------- */
.site-footer{background:#0F2E44;color:#C9D8E3;padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.15fr 1.1fr;gap:36px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px;}
.footer-brand:hover{color:#fff;text-decoration:none;}
.footer-desc{font-size:14px;color:#9DB4C6;margin:0;line-height:1.8;}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#A9BFD0;}
.footer-links a:hover{color:#fff;text-decoration:none;background:rgba(255,255,255,.08);border-radius:6px;padding-left:6px;}
.footer-contact p{font-size:13.5px;color:#9DB4C6;margin:0 0 10px;}
.footer-contact b{color:#DCE9F2;font-weight:700;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA6B8;
}
.back-top{color:#C9D8E3;font-size:13px;}
.back-top:hover{color:#fff;text-decoration:none;}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{max-width:1080px;}
  .hero-grid{gap:36px;}
}
@media (max-width:1024px){
  .nav-chips{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .rule-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .timeline-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:34px;}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .page-hero{padding:44px 0 52px;}
  .news-grid{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:1fr;}
  .hero-stats{gap:10px;}
  .stat{flex:1 1 120px;padding:14px;}
  .notice-item{grid-template-columns:1fr;gap:8px;}
  .notice-date{display:inline-block;min-width:0;width:fit-content;}
  .faq-q{font-size:15.5px;padding:16px 12px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  body{font-size:15.5px;}
  .brand-text{font-size:15.5px;}
  .nav-actions .btn-accent{padding:11px 16px;font-size:14px;}
  .rule-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cta-band{border-radius:18px;padding:26px 20px;}
  .form-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
  --primary:#1F6FA8;
  --primary-deep:#15527A;
  --primary-soft:#E8F2F9;
  --accent:#F26B4A;
  --accent-deep:#D9533A;
  --teal:#2BAE9E;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#142B3B;
  --text-muted:#4F6B7C;
  --text-weak:#8A9AA8;
  --border:#DDE7EF;
  --success:#2E9E6B;
  --warning:#E0A21A;
  --error:#D64545;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-sm:0 4px 14px rgba(20,43,59,.06);
  --shadow:0 10px 30px rgba(20,43,59,.08);
  --shadow-lg:0 14px 36px rgba(20,43,59,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--primary-deep)}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(31,111,168,.25);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:var(--surface)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:var(--primary);background:var(--primary-soft);
  border:1px solid #CFE3F1;border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
h1{font-size:44px;font-weight:800;letter-spacing:.4px}
h2{font-size:31px;font-weight:800}
h3{font-size:21px}
.lead{font-size:17px;color:var(--text-muted);line-height:1.85}
.muted{color:var(--text-muted)}
.weak{color:var(--text-weak)}
strong,b{font-weight:700}

/* ---------- 顶部倒计时条 ---------- */
.site-sticky{position:sticky;top:0;z-index:80}
.top-strip{background:linear-gradient(90deg,#E8F2F9 0%,#F2F8FC 100%);border-bottom:1px solid var(--border)}
.top-strip-inner{
  display:flex;align-items:center;gap:16px;min-height:46px;padding:6px 0;
}
.top-strip .strip-label{
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
  font-size:13px;font-weight:700;color:var(--primary-deep);
  background:#fff;border:1px solid #CFE3F1;border-radius:var(--radius-pill);
  padding:3px 12px;
}
.top-strip .strip-label i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.countdown{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.count-unit{
  display:flex;align-items:baseline;gap:4px;
  font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:2px 10px;box-shadow:var(--shadow-sm);
}
.count-unit b{font-size:17px;color:var(--accent);font-weight:800;letter-spacing:1px}
.count-unit span{font-size:12px;color:var(--text-weak)}
.strip-note{font-size:13px;color:var(--text-muted);flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.strip-link{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--primary);
  border-bottom:1px dashed #9CC3DC;padding-bottom:1px;
}
.strip-link:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- 导航 ---------- */
.site-header{background:rgba(255,255,255,.94);backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.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;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(31,111,168,.28);
}
.brand-text{font-size:19px;font-weight:700;white-space:nowrap}
.brand-text b{color:var(--primary)}
.nav-chips{
  display:flex;align-items:center;gap:6px;flex:1 1 auto;
  background:#F1F6FA;border:1px solid var(--border);border-radius:var(--radius-pill);
  padding:5px;overflow-x:auto;scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-block;white-space:nowrap;font-size:14px;font-weight:600;
  color:var(--text-muted);padding:8px 15px;border-radius:var(--radius-pill);
  border:1px solid transparent;transition:all .2s ease;
}
.nav-chip:hover{background:#fff;color:var(--primary-deep);box-shadow:var(--shadow-sm)}
.nav-chip.is-active{background:#fff;color:var(--primary);border-color:#BFDBEC;box-shadow:var(--shadow-sm)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:#fff;border:1px solid var(--border);position:relative;cursor:pointer;
  transition:all .2s ease;
}
.nav-toggle:hover{border-color:#BFDBEC;box-shadow:var(--shadow-sm)}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--text);border-radius:2px;
  transform:translateX(-50%);transition:.25s ease;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0}
.nav-toggle span::after{content:"";top:6px;left:0}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid var(--border);padding:16px 0 20px;background:#fff}
.mobile-panel.is-open{display:block}
.mobile-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.mobile-chips .nav-chip{background:#F1F6FA;border-color:transparent}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  padding:14px 24px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(31,111,168,.24)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(21,82,122,.3)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,107,74,.26)}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(217,83,58,.32)}
.btn-ghost{background:#fff;color:var(--primary);border-color:#BFDBEC}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(0) scale(.99)}
.btn-block{width:100%}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{background:#E6EDF2;color:#9AABB7;box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--surface);border-bottom:1px solid var(--border)}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(#CFE0EC 1px,transparent 1px);
  background-size:22px 22px;opacity:.55;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
          mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding:72px 0 80px}
.hero h1{margin:0 0 18px;font-size:44px}
.hero h1 .hl{color:var(--primary);position:relative;white-space:nowrap}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;
  background:rgba(242,107,74,.18);border-radius:4px;z-index:-1;
}
.hero .lead{max-width:560px;font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 16px}
.hero-hint{font-size:13.5px;color:var(--text-weak)}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:26px;border-top:1px dashed var(--border)}
.hero-stat b{display:block;font-size:26px;font-weight:800;color:var(--primary-deep);font-family:ui-monospace,Consolas,monospace;letter-spacing:.5px}
.hero-stat span{font-size:13px;color:var(--text-weak)}
.hero-visual{position:relative}
.hero-visual .photo{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow-lg);background:#EAF2F8;
}
.hero-visual .photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-float{
  position:absolute;left:-22px;bottom:26px;width:250px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);padding:18px 18px 16px;
}
.hero-float .tag{
  display:inline-block;font-size:12px;font-weight:700;color:var(--teal);
  background:rgba(43,174,158,.12);border:1px solid rgba(43,174,158,.3);
  border-radius:var(--radius-pill);padding:3px 10px;margin-bottom:10px;
}
.hero-float h4{font-size:15px;margin-bottom:8px}
.progress-track{height:8px;border-radius:5px;background:#E9F1F7;overflow:hidden;margin:10px 0 8px}
.progress-bar{height:100%;width:68%;border-radius:5px;background:linear-gradient(90deg,var(--primary),var(--teal))}
.hero-float .small{font-size:12.5px;color:var(--text-weak);display:flex;justify-content:space-between}
.badge-row{position:absolute;right:18px;top:18px;display:flex;gap:8px}
.badge{
  font-size:12.5px;font-weight:700;color:#fff;background:rgba(21,82,122,.82);
  border-radius:var(--radius-pill);padding:6px 12px;backdrop-filter:blur(4px);
}
.badge.accent{background:rgba(242,107,74,.9)}

/* ---------- 通用卡片 / 网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#CBE0EE}
.card h3{margin-bottom:10px;font-size:19px}
.card p{font-size:15px;color:var(--text-muted)}
.num-badge{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-family:ui-monospace,Consolas,monospace;font-weight:800;font-size:15px;
  background:var(--primary-soft);color:var(--primary-deep);border:1px solid #CFE3F1;
  margin-bottom:16px;
}
.num-badge.accent{background:rgba(242,107,74,.12);color:var(--accent-deep);border-color:rgba(242,107,74,.28)}

/* ---------- 流程时间线 ---------- */
.steps{position:relative;display:grid;gap:0;border-left:2px dashed #CBE0EE;margin-left:14px}
.step{position:relative;padding:0 0 34px 34px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.step:nth-child(2)::before{border-color:#4B92BE}
.step:nth-child(3)::before{border-color:var(--teal)}
.step:nth-child(4)::before{border-color:var(--accent)}
.step h3{font-size:18px;margin-bottom:6px}
.step p{font-size:15px;color:var(--text-muted);max-width:640px}
.step .meta{
  display:inline-block;margin-top:10px;font-size:12.5px;font-weight:700;color:var(--primary-deep);
  background:var(--primary-soft);border-radius:var(--radius-pill);padding:3px 11px;
}
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.sticky-head{position:sticky;top:140px}

/* ---------- 表单 ---------- */
.form-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:34px}
.form-wrap h3{font-size:22px;margin-bottom:8px}
.form-wrap > p{font-size:14.5px;color:var(--text-muted);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:700;color:var(--text)}
.field label .req{color:var(--error);margin-left:2px}
.field input,.field select,.field textarea{
  height:48px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid var(--border);background:#FBFDFE;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#A9B8C4}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 3px rgba(31,111,168,.18);
}
.field .hint{font-size:12.5px;color:var(--text-weak)}
.field.has-error input{border-color:var(--error);background:#FEF7F6}
.field .err{font-size:12.5px;color:var(--error);display:none}
.field.has-error .err{display:block}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-muted);margin:4px 0 20px}
.agree input{width:18px;height:18px;margin-top:3px;accent-color:var(--primary);flex:0 0 auto}
.form-status{
  display:none;margin-bottom:18px;padding:12px 16px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;
}
.form-status.ok{display:block;background:rgba(46,158,107,.1);border:1px solid rgba(46,158,107,.35);color:var(--success)}
.form-status.bad{display:block;background:rgba(214,69,69,.08);border:1px solid rgba(214,69,69,.34);color:var(--error)}
.form-side{display:grid;gap:16px}
.mini-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow-sm);
}
.mini-card h4{font-size:15px;margin-bottom:6px;color:var(--primary-deep)}
.mini-card p{font-size:14px;color:var(--text-muted)}
.contact-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-muted);
  padding:11px 0;border-bottom:1px dashed var(--border);
}
.contact-list li:last-child{border-bottom:0;padding-bottom:0}
.contact-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 4px rgba(31,111,168,.12);
}
.contact-list li b{color:var(--text)}

/* ---------- 材料清单 / 图墙 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;
  border:1px solid var(--border);border-radius:var(--radius);padding:20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#CBE0EE}
.check-icon{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(43,174,158,.13);color:var(--teal);font-weight:800;font-size:15px;
}
.check-item h4{font-size:15.5px;margin-bottom:4px}
.check-item p{font-size:14px;color:var(--text-muted)}
.gallery{
  display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:170px;gap:16px;
}
.gallery figure{
  position:relative;margin:0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);background:#EAF2F8;
}
.gallery figure img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{
  position:absolute;left:12px;bottom:12px;right:12px;
  font-size:13px;font-weight:700;color:#fff;
  background:rgba(21,82,122,.78);border-radius:var(--radius-pill);
  padding:5px 12px;display:inline-block;width:auto;max-width:calc(100% - 24px);
  backdrop-filter:blur(3px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.gallery .tall{grid-row:span 2}
.gallery .wide{grid-column:span 2}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 6px;font-size:17px;font-weight:700;color:var(--text);
  transition:background-color .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";margin-left:auto;flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:19px;font-weight:700;line-height:1;
  color:var(--primary);background:var(--primary-soft);border:1px solid #CFE3F1;
  transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.faq-item summary:hover{background:#F3F9FD;color:var(--primary-deep)}
.faq-item[open] summary{color:var(--primary-deep)}
.faq-item[open] summary::after{content:"−";background:var(--primary);color:#fff;border-color:var(--primary)}
.faq-body{padding:0 6px 22px;font-size:15.5px;color:var(--text-muted);max-width:820px;line-height:1.85}
.faq-body b{color:var(--text)}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  background:linear-gradient(115deg,var(--primary-deep) 0%,var(--primary) 58%,#2E86BC 100%);
  border-radius:var(--radius-lg);padding:48px 46px;color:#fff;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),transparent 68%);
}
.cta-band h2{font-size:29px;color:#fff;margin-bottom:10px;max-width:620px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.82);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.cta-band .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45)}
.cta-band .btn-ghost:hover{background:#fff;color:var(--primary-deep);border-color:#fff}

/* ---------- 相关入口 ---------- */
.entry-card{
  display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#CBE0EE}
.entry-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#EAF2F8}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.entry-card:hover .thumb img{transform:scale(1.05)}
.entry-card .body{padding:6px 22px 24px}
.entry-card .chip{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--primary);
  background:var(--primary-soft);border-radius:var(--radius-pill);padding:3px 11px;margin-bottom:10px;
}
.entry-card h3{font-size:17.5px;margin-bottom:8px}
.entry-card p{font-size:14px;color:var(--text-muted)}
.entry-card .more{margin-top:14px;font-size:14px;font-weight:700;color:var(--primary)}
.entry-card:hover .more{color:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F2C40;color:#C7D8E4;margin-top:0;padding:64px 0 26px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:14px;line-height:1.85;color:#A9C1D1;max-width:380px}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:#A9C1D1;font-size:14px;display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-contact p{font-size:13.5px;color:#A9C1D1;margin-bottom:10px;line-height:1.75}
.footer-contact b{color:#DFEBF3}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA9BB;
}
.back-top{color:#DFEBF3;font-weight:700}
.back-top:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 20px}
  .hero-inner{gap:40px}
}
@media (max-width:1024px){
  .nav-chips{display:none}
  .nav-toggle{display:block}
  .nav-actions .btn{display:none}
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:56px 0 64px}
  .hero h1{font-size:36px}
  .hero-float{position:static;width:100%;left:auto;bottom:auto;margin-top:20px}
  .badge-row{position:static;margin-bottom:12px}
  .split{grid-template-columns:1fr;gap:32px}
  .sticky-head{position:static}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px}
  .gallery .wide{grid-column:span 2}
  .gallery .tall{grid-row:span 1}
  .section{padding:64px 0}
  h2{font-size:26px}
}
@media (max-width:768px){
  .top-strip .strip-note{display:none}
  .top-strip-inner{gap:10px}
  .count-unit b{font-size:15px}
  .grid-3,.grid-4,.grid-2,.check-grid,.form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .cta-band{padding:34px 24px}
  .cta-band h2{font-size:23px}
  .form-wrap{padding:24px}
  .hero h1{font-size:31px}
  .section{padding:52px 0}
  .faq-item summary{font-size:16px;padding:17px 4px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  body{font-size:15.5px;line-height:1.78}
  h1{font-size:27px}
  .hero h1{font-size:27px}
  h2{font-size:22px}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .gallery{grid-template-columns:1fr;grid-auto-rows:180px}
  .gallery .wide{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:17px}
  .strip-link{font-size:12.5px}
  .hero-stats{gap:20px}
}