/* roulang page: index */
:root{
  --brand-900:#16204A;
  --brand-700:#1E2A5E;
  --brand-500:#31409B;
  --cyan-500:#2CB4C6;
  --accent-500:#7A5CF0;
  --bg:#F5F7FC;
  --surface:#FFFFFF;
  --ink:#222A3D;
  --ink-2:#5A6478;
  --line:#E3E7F2;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(22,32,74,.04), 0 10px 28px -12px rgba(22,32,74,.12);
  --shadow-hover:0 2px 4px rgba(22,32,74,.06), 0 18px 40px -14px rgba(22,32,74,.22);
  --font-sans:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:80px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease,transform .25s ease;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,h5,p,figure{margin:0;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(122,92,240,.18);}

.shell{max-width:1200px;margin:0 auto;padding:0 24px;}
.narrow{max-width:760px;margin:0 auto;}

h1{font-size:clamp(1.875rem,1.2rem+2.4vw,2.75rem);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
h2{font-size:clamp(1.5rem,1.1rem+1.4vw,2rem);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
h3{font-size:1.25rem;line-height:1.4;font-weight:700;}
p{color:var(--ink-2);}
.lead{font-size:1.0625rem;line-height:1.8;color:var(--ink-2);}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ============ 顶部浮动 Dock 导航 ============ */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:1040;
  padding:0 16px;
  transition:top .25s ease;
}
.site-header.is-shrink{top:8px;}
.dock{
  width:min(1080px,100%);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:9px 12px 9px 20px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 1px 2px rgba(22,32,74,.04),0 12px 30px -14px rgba(22,32,74,.18);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:padding .25s ease,box-shadow .25s ease;
}
.site-header.is-shrink .dock{padding:6px 10px 6px 18px;box-shadow:0 1px 2px rgba(22,32,74,.06),0 16px 34px -16px rgba(22,32,74,.24);}
.dock-brand{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:1.0625rem;
  font-weight:700;
  color:var(--brand-700);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.dock-brand .mark{
  width:26px;height:26px;
  border-radius:8px;
  background:var(--brand-700);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
  font-size:.75rem;
  font-weight:700;
  letter-spacing:0;
}
.dock-links{display:flex;align-items:center;gap:2px;margin-left:8px;}
.dock-links a{
  position:relative;
  display:block;
  padding:8px 14px;
  font-size:.9375rem;
  color:var(--ink-2);
  border-radius:999px;
  white-space:nowrap;
}
.dock-links a:hover{color:var(--brand-700);background:#F0F3FC;}
.dock-links a.active{color:var(--brand-700);font-weight:600;}
.dock-links a.active::after{
  content:"";position:absolute;left:50%;bottom:3px;
  width:18px;height:2px;border-radius:2px;
  background:var(--accent-500);
  transform:translateX(-50%);
}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:8px;}
.dock-search{display:none;align-items:center;}
.dock.search-open .dock-search{display:flex;}
.dock-search input{
  width:210px;height:38px;
  padding:0 14px;
  font-size:.875rem;
  color:var(--ink);
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.dock-search input:focus{border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(122,92,240,.15);}
.icon-btn{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--surface);
  color:var(--brand-700);
  transition:border-color .25s ease,background-color .25s ease,transform .25s ease;
}
.icon-btn:hover{border-color:var(--brand-700);background:#F0F3FC;}
.icon-btn svg{width:17px;height:17px;}
.menu-btn{display:none;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,32,74,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1050;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;
  width:min(320px,86vw);
  background:var(--surface);
  z-index:1060;
  padding:24px 20px;
  transform:translateX(102%);
  transition:transform .28s ease;
  box-shadow:-20px 0 44px -22px rgba(22,32,74,.3);
  display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-head span{font-weight:700;color:var(--brand-700);}
.drawer a{
  display:block;
  padding:13px 14px;
  font-size:1rem;
  color:var(--ink);
  border-radius:12px;
  border:1px solid transparent;
}
.drawer a:hover{background:var(--bg);border-color:var(--line);}
.drawer a.active{color:var(--brand-700);font-weight:600;background:#F0F3FC;}
.drawer .drawer-cta{margin-top:12px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;
  font-size:.9375rem;
  font-weight:600;
  line-height:1;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
  white-space:nowrap;
}
.btn-solid{background:var(--brand-700);color:#fff;box-shadow:0 8px 20px -12px rgba(30,42,94,.6);}
.btn-solid:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(49,64,155,.65);}
.btn-outline{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand-700);background:#F0F3FC;color:var(--brand-700);}
.btn-sm{padding:10px 18px;font-size:.875rem;}
.btn[disabled],.btn.is-disabled{opacity:.55;pointer-events:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.9375rem;font-weight:600;
  color:var(--cyan-500);
  border-bottom:2px solid rgba(44,180,198,.35);
  padding-bottom:2px;
  transition:border-color .25s ease,color .25s ease;
}
.link-arrow:hover{color:var(--brand-500);border-color:var(--brand-500);}
.link-arrow svg{width:15px;height:15px;transition:transform .25s ease;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 首屏 ============ */
.hero{padding:150px 0 88px;background:var(--bg);position:relative;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;
  font-size:.75rem;
  letter-spacing:.02em;
  color:var(--brand-700);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  margin-bottom:20px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--cyan-500);display:inline-block;}
.hero h1{color:var(--brand-900);margin-bottom:18px;}
.hero .hero-sub{font-size:1.0625rem;line-height:1.75;color:var(--ink-2);max-width:520px;margin-bottom:24px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.metrics{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  padding-top:22px;
}
.metric{padding-right:18px;}
.metric + .metric{border-left:1px solid var(--line);padding-left:22px;}
.metric-num{font-family:var(--font-num);font-size:1.625rem;font-weight:700;color:var(--brand-700);line-height:1.2;}
.metric-label{font-size:.8125rem;color:var(--ink-2);margin-top:2px;}

.hero-visual{position:relative;padding-bottom:34px;}
.hero-visual-bg{
  position:relative;border-radius:20px;overflow:hidden;
  aspect-ratio:16/11;
  box-shadow:var(--shadow-card);
}
.hero-visual-bg img{width:100%;height:100%;object-fit:cover;}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,42,94,.30),rgba(30,42,94,.08) 45%,rgba(22,32,74,.52));
}
.hero-float{
  position:absolute;left:-26px;bottom:0;
  width:238px;
  padding:8px;
  background:var(--surface);
  border-radius:var(--radius-card);
  box-shadow:0 18px 40px -16px rgba(22,32,74,.32);
}
.hero-float img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;}
.hero-float figcaption{
  padding:10px 6px 4px;
  font-size:.8125rem;
  color:var(--ink-2);
  line-height:1.5;
}
.hero-tag{
  position:absolute;top:16px;right:16px;
  padding:6px 12px;
  font-size:.75rem;
  letter-spacing:.02em;
  color:var(--brand-700);
  background:rgba(255,255,255,.94);
  border-radius:999px;
  box-shadow:0 6px 16px -8px rgba(22,32,74,.4);
}

/* ============ 区块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--surface);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head .kicker{
  display:block;
  font-size:.75rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cyan-500);
  margin-bottom:10px;
}
.section-head p{max-width:560px;margin-top:12px;font-size:.9375rem;}

/* ============ 卖点非对称栅格 ============ */
.feature-card{
  position:relative;
  height:100%;
  padding:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  overflow:hidden;
}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#D6DDF0;}
.feature-num{
  font-family:var(--font-num);
  font-size:3.5rem;
  font-weight:800;
  line-height:1;
  color:rgba(30,42,94,.12);
  display:block;
  margin-bottom:10px;
}
.feature-card h3{color:var(--brand-900);margin-bottom:10px;}
.feature-card p{font-size:.9375rem;}
.feature-card-lg{display:flex;flex-direction:column;padding:0;overflow:hidden;}
.feature-card-lg .feature-figure{position:relative;width:100%;aspect-ratio:16/10;min-height:300px;overflow:hidden;}
.feature-card-lg .feature-figure img{width:100%;height:100%;object-fit:cover;}
.feature-card-lg .feature-body{padding:26px 26px 28px;}
.feature-stack{display:flex;flex-direction:column;gap:24px;height:100%;}
.feature-stack .feature-card{flex:1;}

/* ============ 场景 zigzag ============ */
.zigzag-item{padding:64px 0;border-top:1px solid var(--line);}
.zigzag-item:first-child{border-top:0;padding-top:0;}
.zigzag-item:last-child{padding-bottom:0;}
.zigzag-figure{
  border-radius:var(--radius-card);
  overflow:hidden;
  aspect-ratio:16/11;
  box-shadow:var(--shadow-card);
}
.zigzag-figure img{width:100%;height:100%;object-fit:cover;}
.zigzag-body h3{color:var(--brand-900);margin-bottom:14px;}
.zigzag-body p{margin-bottom:10px;font-size:.9375rem;}
.zigzag-body .link-arrow{margin-top:12px;}
.zigzag-index{
  font-family:var(--font-num);
  font-size:.8125rem;
  font-weight:700;
  color:var(--cyan-500);
  letter-spacing:.1em;
  display:block;
  margin-bottom:10px;
}

/* ============ 社会认同 ============ */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:48px;}
.stat{padding-right:20px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;padding-right:0;}
.stat-num{font-family:var(--font-num);font-size:2rem;font-weight:700;color:var(--brand-700);line-height:1.15;}
.stat-label{font-size:.8125rem;color:var(--ink-2);margin-top:6px;}
.quote-track{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 20px;
  margin:0 -4px;
  -webkit-overflow-scrolling:touch;
}
.quote-track::-webkit-scrollbar{height:6px;}
.quote-track::-webkit-scrollbar-thumb{background:#D6DDF0;border-radius:999px;}
.quote-track::-webkit-scrollbar-track{background:transparent;}
.quote-card{
  flex:0 0 320px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-card);
}
.quote-card p{font-size:.9375rem;color:var(--ink);line-height:1.8;margin-bottom:18px;}
.quote-meta{display:flex;align-items:center;gap:12px;}
.quote-avatar{
  width:38px;height:38px;border-radius:50%;
  background:#E9EEFB;color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-size:.8125rem;font-weight:700;
}
.quote-name{font-size:.875rem;font-weight:600;color:var(--brand-900);}
.quote-role{font-size:.75rem;color:var(--ink-2);}

/* ============ CMS 内容卡片 ============ */
.post-card{
  height:100%;
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.post-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#D6DDF0;}
.post-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:#E9EEFB;}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge-tag{
  align-self:flex-start;
  padding:5px 12px;
  font-size:.75rem;
  line-height:1;
  letter-spacing:.02em;
  color:var(--brand-700);
  background:var(--bg);
  border-radius:999px;
}
.post-title{font-size:1.0625rem;line-height:1.5;font-weight:700;color:var(--brand-900);}
.post-title a{display:inline-flex;align-items:flex-start;gap:6px;}
.post-title a:hover{color:var(--brand-500);}
.post-excerpt{
  font-size:.875rem;line-height:1.7;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:.8125rem;color:var(--ink-2);
}
.post-meta time{font-family:var(--font-num);}
.post-more{display:inline-flex;align-items:center;gap:4px;color:var(--cyan-500);font-weight:600;}
.post-more svg{width:14px;height:14px;transition:transform .25s ease;}
.post-card:hover .post-more svg{transform:translateX(2px);}

.empty-state{
  min-height:200px;max-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:36px 24px;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  text-align:center;
}
.empty-state svg{width:36px;height:36px;stroke:var(--ink-2);fill:none;stroke-width:1.5;}
.empty-state p{font-size:.875rem;}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px;
  text-align:left;
  font-size:1rem;font-weight:600;color:var(--brand-900);
  transition:background-color .2s ease;
}
.faq-q:hover{background:#F5F7FC;}
.faq-icon{
  position:relative;flex:0 0 20px;width:20px;height:20px;
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-700);border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 4px 22px;font-size:.9375rem;line-height:1.8;color:var(--ink-2);}
.faq-item.is-open .faq-q{color:var(--brand-700);}
.faq-item.is-open .faq-a{background:#F5F7FC;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{font-size:1.0625rem;font-weight:700;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.footer-brand .mark{width:24px;height:24px;border-radius:7px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-size:.6875rem;}
.footer-about{font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{font-size:.875rem;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:.875rem;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:#fff;}
.footer-contact{font-size:.875rem;color:rgba(255,255,255,.68);line-height:1.9;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-note{margin-top:12px;font-size:.75rem;color:rgba(255,255,255,.45);line-height:1.7;}
.footer-bottom{
  margin-top:48px;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:.8125rem;color:rgba(255,255,255,.5);
}

/* ============ 底部固定转化条 ============ */
.float-cta{
  position:fixed;left:50%;bottom:24px;
  width:min(920px,calc(100% - 32px));
  transform:translate(-50%,150%);
  opacity:0;
  display:flex;align-items:center;gap:16px;
  padding:12px 14px 12px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 20px 44px -18px rgba(22,32,74,.34);
  z-index:1035;
  transition:transform .3s ease,opacity .3s ease;
}
.float-cta.is-visible{transform:translate(-50%,0);opacity:1;}
.float-cta.is-closed{display:none;}
.float-cta p{font-size:.875rem;color:var(--ink-2);margin:0;flex:1;}
.float-cta p strong{color:var(--brand-900);}
.float-close{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);
  border:1px solid var(--line);
  transition:background-color .25s ease,color .25s ease;
}
.float-close:hover{background:var(--bg);color:var(--brand-700);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero{padding-top:136px;}
}
@media (max-width:991.98px){
  :root{--section-pad:64px;}
  .section{padding:64px 0;}
  .dock-links{display:none;}
  .dock-search{display:none !important;}
  .menu-btn{display:flex;}
  .hero{padding:126px 0 64px;}
  .hero-visual{margin-top:44px;padding-bottom:0;}
  .hero-float{left:auto;right:12px;bottom:-24px;width:200px;}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:20px 24px;}
  .stat:nth-child(2){border-right:0;padding-right:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .zigzag-item{padding:44px 0;}
}
@media (max-width:767.98px){
  .section{padding:48px 0;}
  .shell{padding:0 16px;}
  .site-header{padding:0 12px;}
  .dock{padding:8px 10px 8px 14px;gap:10px;}
  .dock-search input{width:140px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .metrics{grid-template-columns:1fr 1fr;}
  .metric{padding-right:12px;}
  .metric + .metric{padding-left:12px;}
  .metric:nth-child(3){
    grid-column:span 2;
    border-left:0;padding-left:0;padding-right:0;
    margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  }
  .feature-num{font-size:2.75rem;}
  .feature-card-lg .feature-figure{min-height:220px;aspect-ratio:16/11;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{
    left:0;bottom:0;width:100%;
    transform:translate(0,150%);
    border-radius:14px 14px 0 0;
    padding:10px 12px 10px 16px;
    gap:10px;
  }
  .float-cta.is-visible{transform:translate(0,0);}
  .float-cta p{font-size:.8125rem;line-height:1.4;}
  .float-cta .btn{padding:10px 14px;font-size:.8125rem;}
}
@media (max-width:575.98px){
  .hero{padding-top:112px;}
  .hero-visual-bg{aspect-ratio:4/3;}
  .hero-float{width:172px;right:8px;}
  .stats-row{grid-template-columns:1fr;}
  .stat{border-right:0;padding-right:0;border-bottom:1px solid var(--line);padding-bottom:16px;}
  .stat:last-child{border-bottom:0;padding-bottom:0;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand-900:#16204A;--brand-700:#1E2A5E;--brand-500:#31409B;--cyan-500:#2CB4C6;--accent-500:#7A5CF0;
  --bg:#F5F7FC;--surface:#FFFFFF;--ink:#222A3D;--ink-2:#5A6478;--line:#E3E7F2;
  --r-card:14px;--r-btn:10px;--r-img:12px;
  --sh-card:0 1px 2px rgba(22,32,74,.04),0 10px 28px -12px rgba(22,32,74,.12);
  --sh-hover:0 2px 4px rgba(22,32,74,.06),0 18px 36px -14px rgba(22,32,74,.22);
  --font:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --num:"Inter","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
  --bs-primary:#1E2A5E;--bs-body-bg:#F5F7FC;--bs-body-color:#222A3D;--bs-border-color:#E3E7F2;
  --bs-link-color:#2CB4C6;--bs-link-hover-color:#1E2A5E;--bs-font-sans-serif:var(--font);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink);
  background:var(--bg);padding-bottom:80px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ Dock 导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;padding:16px 16px 0;pointer-events:none;transition:padding .25s ease}
.dock{
  pointer-events:auto;display:flex;align-items:center;gap:18px;width:min(1080px,100%);margin:0 auto;
  padding:10px 14px 10px 18px;background:rgba(255,255,255,.93);border:1px solid var(--line);border-radius:999px;
  box-shadow:0 1px 2px rgba(22,32,74,.04),0 10px 28px -14px rgba(22,32,74,.18);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:padding .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{padding-top:8px}
.site-header.is-scrolled .dock{padding:7px 12px 7px 16px;box-shadow:0 2px 4px rgba(22,32,74,.06),0 14px 30px -16px rgba(22,32,74,.24)}
.dock-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--brand-900);white-space:nowrap;letter-spacing:-.01em}
.mark{width:30px;height:30px;border-radius:9px;background:var(--brand-700);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;flex:none}
.dock-links{display:flex;align-items:center;gap:2px;list-style:none;padding:0;margin:0;flex:1 1 auto}
.dock-links a{position:relative;display:block;padding:8px 12px;font-size:14.5px;color:var(--ink-2);border-radius:999px;transition:color .2s,background .2s}
.dock-links a:hover{color:var(--brand-700);background:#F0F3FC}
.dock-links a.active{color:var(--brand-700);font-weight:600}
.dock-links a.active::after{content:"";position:absolute;left:50%;bottom:2px;width:18px;height:2px;border-radius:2px;background:var(--accent-500);transform:translateX(-50%)}
.dock-search input{
  width:198px;height:38px;border-radius:999px;border:1px solid var(--line);background:var(--bg);
  padding:0 16px;font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s,background .2s;
}
.dock-search input::placeholder{color:#98A1B8}
.dock-search input:focus{border-color:var(--brand-700);background:#fff;box-shadow:0 0 0 3px rgba(122,92,240,.15)}
.dock-actions{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--brand-700);
  display:grid;place-items:center;cursor:pointer;transition:background .2s,border-color .2s,transform .2s;flex:none;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{background:#F0F3FC;border-color:var(--brand-700)}
.menu-btn{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease,color .25s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:999px}
.btn-solid{background:var(--brand-700);color:#fff;box-shadow:0 8px 18px -10px rgba(30,42,94,.7)}
.btn-solid:hover{background:var(--brand-500);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-700);background:#F0F3FC}
.btn:disabled,.btn.is-disabled{opacity:.55;pointer-events:none}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--cyan-500);font-size:14px;font-weight:600;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.link-more::after{content:"→";transition:transform .2s ease}
.link-more:hover::after{transform:translateX(3px)}

/* ============ 文章头 ============ */
.article-hero{
  position:relative;padding:132px 0 44px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.94),rgba(255,255,255,.985)),
             url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:22px}
.crumb a{transition:color .2s}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:#C3CADD}
.crumb .current{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge-cat{
  display:inline-block;padding:6px 13px;border-radius:999px;background:var(--bg);border:1px solid var(--line);
  color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1;
}
.article-title{
  margin-top:18px;max-width:940px;color:var(--brand-900);font-weight:700;letter-spacing:-.01em;
  font-size:clamp(1.875rem,1.2rem + 2.4vw,2.75rem);line-height:1.25;
}
.article-meta{margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-2)}
.article-meta .sep{color:#C3CADD}
.article-meta .num{font-family:var(--num);font-variant-numeric:tabular-nums}

/* ============ 正文 ============ */
.article-main{padding:56px 0 88px;background:var(--bg)}
.article-wrap{max-width:760px;margin:0 auto}
.article-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:44px 48px}
.article-body{font-size:17px;line-height:1.9;color:#333C52;word-wrap:break-word}
.article-body h2{font-size:1.5rem;line-height:1.35;font-weight:700;color:var(--brand-900);margin:40px 0 16px}
.article-body h3{font-size:1.25rem;line-height:1.4;font-weight:700;color:var(--brand-900);margin:32px 0 12px}
.article-body h4{font-size:1.0625rem;line-height:1.5;font-weight:600;color:var(--brand-900);margin:24px 0 10px}
.article-body p{margin:0 0 20px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:1.4em;line-height:1.9}
.article-body li+li{margin-top:8px}
.article-body strong{color:var(--brand-900)}
.article-body a{color:var(--cyan-500);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-700)}
.article-body blockquote{margin:24px 0;padding:16px 22px;border-left:3px solid var(--brand-700);background:var(--bg);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0 8px;width:100%}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);margin-top:8px;line-height:1.6}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:0 0 24px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg);color:var(--brand-900);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.empty-state{text-align:center;padding:52px 24px;background:var(--bg);border:1px dashed var(--line);border-radius:var(--r-card)}
.empty-state svg{width:44px;height:44px;margin:0 auto 16px;color:var(--cyan-500);stroke-width:1.5}
.empty-state h3{font-size:1.125rem;color:var(--brand-900);margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--ink-2);margin-bottom:20px}

/* ============ 文末 ============ */
.article-foot{margin-top:52px;padding-top:36px;border-top:1px solid var(--line)}
.foot-label{font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.02em;margin-bottom:14px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-block;padding:7px 14px;border-radius:999px;background:var(--bg);border:1px solid var(--line);
  color:var(--ink-2);font-size:13px;transition:color .2s,border-color .2s,background .2s;
}
.tag:hover{color:var(--brand-700);border-color:var(--brand-700);background:#F0F3FC}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:36px}
.pn-card{
  display:block;padding:20px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pn-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#D6DDF0}
.pn-label{font-size:12px;color:var(--ink-2);letter-spacing:.02em}
.pn-title{margin-top:8px;font-size:15.5px;font-weight:600;color:var(--brand-900);line-height:1.5}
.pn-desc{margin-top:6px;font-size:13.5px;color:var(--ink-2);line-height:1.6}
.related{margin-top:52px}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}
.related-head h2{font-size:1.375rem;font-weight:700;color:var(--brand-900)}
.related-rail{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px}
.card-sm{
  scroll-snap-align:start;min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-sm:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#D6DDF0}
.card-sm .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg)}
.card-sm .cb{padding:16px 18px 18px}
.card-sm h3{font-size:15.5px;line-height:1.5;font-weight:600;color:var(--brand-900);margin-bottom:8px;transition:color .2s}
.card-sm:hover h3{color:var(--brand-500)}
.card-sm p{font-size:13.5px;color:var(--ink-2);line-height:1.65;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-sm .meta{font-size:12.5px;color:#8C96AE}
.back-cta{margin-top:40px;text-align:center}

/* ============ 抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(22,32,74,.38);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:1050}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);background:#fff;z-index:1060;
  padding:22px 20px 28px;border-left:1px solid var(--line);overflow-y:auto;
  transform:translateX(104%);transition:transform .3s ease;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--brand-900)}
.drawer ul{list-style:none;padding:0;margin:0 0 20px}
.drawer li+li{margin-top:4px}
.drawer a.d-link{display:block;padding:12px 12px;border-radius:10px;font-size:16px;color:var(--ink);font-weight:500;transition:background .2s,color .2s}
.drawer a.d-link:hover{background:var(--bg);color:var(--brand-700)}
.drawer a.d-link.active{color:var(--brand-700);background:#F0F3FC;font-weight:600}
.drawer .d-search{width:100%;height:46px;border-radius:10px;border:1px solid var(--line);background:var(--bg);padding:0 14px;font-size:15px;outline:none;margin-bottom:16px}
.drawer .d-search:focus{border-color:var(--brand-700);background:#fff;box-shadow:0 0 0 3px rgba(122,92,240,.15)}
.drawer .btn{width:100%}

/* ============ 底部转化条 ============ */
.convert-bar{
  position:fixed;left:50%;bottom:20px;z-index:1040;display:flex;align-items:center;gap:14px;
  width:min(920px,calc(100% - 32px));padding:12px 14px 12px 22px;background:#fff;border:1px solid var(--line);
  border-radius:999px;box-shadow:0 10px 30px -12px rgba(22,32,74,.3);
  transform:translateX(-50%) translateY(160%);opacity:0;pointer-events:none;
  transition:transform .35s cubic-bezier(.22,.61,.36,1),opacity .3s ease;
}
.convert-bar.is-visible{transform:translateX(-50%) translateY(0);opacity:1;pointer-events:auto}
.convert-bar .tip{flex:1;font-size:14px;color:var(--ink-2);line-height:1.5}
.convert-bar .tip strong{color:var(--brand-900)}
.close-bar{
  width:32px;height:32px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:grid;place-items:center;cursor:pointer;font-size:16px;line-height:1;transition:background .2s,color .2s;flex:none;
}
.close-bar:hover{background:var(--bg);color:var(--brand-900)}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#C7CEE4;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .mark{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16)}
.footer-about{font-size:14px;line-height:1.85;color:#98A3C2;max-width:330px;margin:0}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:#98A3C2;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-contact{font-size:14px;color:#98A3C2;line-height:1.9}
.footer-contact strong{color:#fff}
.footer-note{font-size:13px;line-height:1.7;color:#7C87A8;margin:14px 0 0}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 24px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#7C87A8;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .dock-search input{width:160px}
}
@media (max-width:991.98px){
  .dock-links,.dock-search{display:none}
  .menu-btn{display:grid}
  .dock{justify-content:space-between;gap:12px}
  .article-hero{padding-top:112px}
  .article-card{padding:34px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .shell{padding:0 16px}
  body{padding-bottom:72px}
  .article-hero{padding:102px 0 32px}
  .article-title{font-size:clamp(1.5rem,1.2rem + 2.6vw,2rem)}
  .article-main{padding:36px 0 64px}
  .article-card{padding:24px 20px;border-radius:12px}
  .article-body{font-size:16.5px}
  .prevnext{grid-template-columns:1fr}
  .related-rail{grid-auto-flow:column;grid-auto-columns:78%;grid-template-columns:none;-webkit-overflow-scrolling:touch}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .convert-bar{
    left:0;right:0;bottom:0;width:100%;border-radius:16px 16px 0 0;padding:10px 12px;
    transform:translateY(120%);
  }
  .convert-bar.is-visible{transform:translateY(0)}
  .convert-bar .tip{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --brand-900:#16204A;
  --brand-700:#1E2A5E;
  --brand-500:#31409B;
  --cyan-500:#2CB4C6;
  --accent-500:#7A5CF0;
  --bg:#F5F7FC;
  --surface:#FFFFFF;
  --ink:#222A3D;
  --ink-2:#5A6478;
  --line:#E3E7F2;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(22,32,74,.04),0 10px 28px -12px rgba(22,32,74,.12);
  --shadow-hover:0 2px 6px rgba(22,32,74,.06),0 18px 42px -14px rgba(22,32,74,.22);
  --shadow-dock:0 1px 2px rgba(22,32,74,.04),0 14px 34px -18px rgba(22,32,74,.28);
  --pad-section:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:80px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--brand-900);font-weight:700}
p{margin:0}
strong{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
.shell{width:min(1200px,100% - 48px);margin-inline:auto}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;letter-spacing:-.01em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;padding:12px 24px;
  cursor:pointer;transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.btn-solid{background:var(--brand-700);color:#fff}
.btn-solid:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(30,42,94,.75)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-700);background:#F0F3FC;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:var(--radius-btn)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.55;pointer-events:none}
.text-link{color:var(--cyan-500);font-weight:600;text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1.5px}
.text-link:hover{color:var(--brand-500)}
.arrow-link{color:var(--brand-700);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.arrow-link::after{content:"→";transition:transform .25s ease}
.arrow-link:hover{color:var(--brand-500)}
.arrow-link:hover::after{transform:translateX(3px)}

/* ---------- 导航 Dock ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:80;padding-top:16px;transition:padding-top .25s ease}
.site-header.shrink{padding-top:8px}
.dock{
  width:min(1080px,calc(100% - 32px));margin-inline:auto;
  display:flex;align-items:center;gap:16px;
  padding:10px 14px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  box-shadow:var(--shadow-dock);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:padding .25s ease;
}
.site-header.shrink .dock{padding:6px 14px}
.dock-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--brand-900);white-space:nowrap}
.mark{
  width:30px;height:30px;border-radius:10px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  color:#fff;font-size:14px;font-weight:700;
}
.dock-links{display:flex;align-items:center;gap:2px;margin-left:8px}
.dock-links a{position:relative;display:inline-block;padding:8px 12px;border-radius:var(--radius-pill);font-size:15px;font-weight:500;color:var(--brand-700);transition:background .2s ease,color .2s ease}
.dock-links a:hover{background:#F0F3FC;color:var(--brand-500)}
.dock-links a.active{font-weight:700}
.dock-links a.active::after{content:"";position:absolute;left:50%;bottom:2px;width:18px;height:2px;border-radius:2px;background:var(--accent-500);transform:translateX(-50%)}
.dock-search{margin-left:auto}
.dock-search input{
  width:216px;height:38px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--bg);
  padding:0 16px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.dock-search input::placeholder{color:#9AA3B8}
.dock-search input:focus{outline:none;background:#fff;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(122,92,240,.15)}
.dock-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-pill);
  display:grid;place-items:center;background:var(--surface);
  border:1px solid var(--line);color:var(--brand-700);cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{background:#F0F3FC;border-color:var(--brand-700)}
.menu-btn{display:none}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,88vw);z-index:90;
  background:var(--surface);box-shadow:-20px 0 48px -20px rgba(22,32,74,.35);
  transform:translateX(105%);transition:transform .28s ease;
  padding:22px 20px;display:flex;flex-direction:column;gap:6px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-head .dock-brand{font-size:15px}
.drawer nav a{display:block;padding:14px 10px;font-size:16px;font-weight:500;color:var(--brand-700);border-bottom:1px solid var(--line)}
.drawer nav a.active{color:var(--accent-500);font-weight:700}
.drawer .btn{margin-top:18px;width:100%}
.scrim{position:fixed;inset:0;background:rgba(22,32,74,.36);z-index:85;opacity:0;visibility:hidden;transition:opacity .25s ease}
.scrim.show{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;padding:164px 0 76px;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center 30%;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.9) 48%,rgba(245,247,252,.74) 100%);
}
.page-hero .shell{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:var(--radius-pill);background:rgba(122,92,240,.1);
  color:var(--accent-500);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.page-hero h1{
  margin:18px 0 0;font-size:clamp(1.875rem,1.2rem + 2.4vw,2.75rem);
  line-height:1.25;letter-spacing:-.01em;font-weight:700;max-width:760px;
}
.page-hero h1 span{display:block;font-size:clamp(1rem,1rem + .6vw,1.25rem);font-weight:600;color:var(--brand-500);margin-top:12px;letter-spacing:0}
.hero-lead{margin-top:20px;max-width:680px;font-size:17px;line-height:1.85;color:var(--ink-2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:44px;background:rgba(255,255,255,.86);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.hero-stats .stat{padding:22px 24px;border-left:1px solid var(--line)}
.hero-stats .stat:first-child{border-left:0}
.hero-stats strong{display:block;font-size:28px;line-height:1.2;color:var(--brand-700);font-weight:700}
.hero-stats span{display:block;margin-top:6px;font-size:13px;color:var(--ink-2)}

/* ---------- 板块 ---------- */
.section{padding:var(--pad-section) 0}
.section--surface{background:var(--surface)}
.section--tight{padding-top:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(1.5rem,1.1rem + 1.4vw,2rem);line-height:1.3}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:600px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--cyan-500);margin-bottom:10px}

/* ---------- 条目列表 ---------- */
.news-list{border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:200px 1fr;gap:26px;align-items:start;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.news-thumb{display:block;border-radius:var(--radius-img);overflow:hidden;background:var(--bg)}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);transition:transform .35s ease}
.news-item:hover .news-thumb img{transform:scale(1.04)}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--radius-pill);background:var(--bg);color:var(--brand-700);
  font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1;
}
.tag--accent{background:rgba(122,92,240,.1);color:var(--accent-500)}
.news-meta time{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.news-item h3{font-size:1.25rem;line-height:1.4}
.news-item h3 a{transition:color .2s ease}
.news-item h3 a:hover{color:var(--brand-500)}
.news-item .desc{
  margin-top:10px;color:var(--ink-2);font-size:15px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:14px;font-size:13px;color:var(--ink-2)}

/* ---------- 报道形态（非对称） ---------- */
.form-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:24px;display:flex;flex-direction:column;gap:16px;
  transition:box-shadow .25s ease,transform .25s ease;
}
.section--surface .feature-card{background:var(--bg)}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.feature-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img)}
.feature-card h3{font-size:1.25rem;line-height:1.4}
.feature-card p{color:var(--ink-2);font-size:15px}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.mini-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-card);display:flex;gap:16px;align-items:flex-start;
  transition:box-shadow .25s ease,transform .25s ease;
}
.section--surface .mini-card{background:var(--bg)}
.mini-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.mini-card .ord{
  font-size:34px;font-weight:700;line-height:1;color:rgba(30,42,94,.12);
  font-variant-numeric:tabular-nums;flex:none;
}
.mini-card h3{font-size:1.05rem;margin-bottom:6px}
.mini-card p{font-size:14px;color:var(--ink-2)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:30px 24px 8px;border-left:1px solid var(--line)}
.step:first-child{border-left:0;padding-left:0}
.step .ord{display:block;font-size:34px;font-weight:700;line-height:1;color:rgba(30,42,94,.14);font-variant-numeric:tabular-nums}
.step h3{margin-top:14px;font-size:1.05rem}
.step p{margin-top:8px;font-size:14px;color:var(--ink-2)}

/* ---------- 协作清单 ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-card);
}
.section--surface .check-card{background:var(--bg)}
.check-card h3{font-size:1.15rem;margin-bottom:6px}
.check-card .sub{font-size:13px;color:var(--ink-2);margin-bottom:18px}
.check-card li{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:15px;line-height:1.7}
.check-card li:first-of-type{border-top:0}
.check-card li i{color:var(--cyan-500);font-size:13px;margin-top:7px;flex:none}
.check-card li strong{color:var(--brand-900);font-weight:600}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.faq-intro h2{font-size:clamp(1.5rem,1.1rem + 1.4vw,2rem);line-height:1.3}
.faq-intro p{margin-top:14px;color:var(--ink-2);font-size:15px}
.faq-intro .btn{margin-top:24px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:20px 4px;font-size:16px;font-weight:600;color:var(--brand-900);
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{color:var(--brand-500)}
.faq-item.open .faq-q{background:#F5F7FC}
.faq-icon{
  width:26px;height:26px;flex:none;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--brand-700);font-size:14px;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-700);color:#fff;border-color:var(--brand-700)}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.open .faq-panel{max-height:320px}
.faq-panel p{padding:0 4px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:640px}

/* ---------- 联系表单 ---------- */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px;box-shadow:var(--shadow-card);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--brand-900);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);padding:0 14px;height:46px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(122,92,240,.15);
}
.field .hint{font-size:13px;color:var(--ink-2);margin-top:6px}
.form-note{font-size:13px;color:var(--accent-500);margin-top:14px;min-height:20px}
.form-note.show{color:var(--brand-700)}
.side-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;
}
.side-card h3{font-size:1.1rem;margin-bottom:14px}
.side-card dl{margin:0;font-size:14px}
.side-card dt{color:var(--ink-2);font-size:13px;margin-top:14px}
.side-card dd{margin:4px 0 0;font-weight:600;color:var(--brand-900)}
.side-card .stamp{
  display:inline-block;margin-top:20px;padding:6px 12px;border-radius:8px;
  border:1px dashed var(--accent-500);color:var(--accent-500);font-size:12px;font-weight:700;letter-spacing:.02em;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#C9D1E8;padding:70px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand .mark{background:rgba(255,255,255,.12)}
.footer-about{font-size:14px;line-height:1.8;color:#A7B1CE;max-width:340px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#A7B1CE;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-contact{font-size:14px;color:#A7B1CE;line-height:2}
.footer-contact strong{color:#fff;font-weight:600}
.footer-note{font-size:13px;color:#8791B0;line-height:1.8;margin-top:14px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;font-size:13px;color:#8791B0;
}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:50%;bottom:20px;z-index:70;
  width:min(920px,calc(100% - 32px));
  display:flex;align-items:center;gap:18px;
  padding:12px 14px 12px 22px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-pill);box-shadow:0 18px 44px -18px rgba(22,32,74,.38);
  transform:translate(-50%,140%);opacity:0;visibility:hidden;
  transition:transform .3s ease,opacity .3s ease,visibility .3s ease;
}
.sticky-cta.show{transform:translate(-50%,0);opacity:1;visibility:visible}
.sticky-cta p{font-size:14px;color:var(--ink-2);flex:1}
.sticky-cta p strong{color:var(--brand-900)}
.sticky-close{
  width:32px;height:32px;flex:none;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--ink-2);
  display:grid;place-items:center;transition:background .2s ease,color .2s ease;
}
.sticky-close:hover{background:var(--bg);color:var(--brand-700)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .dock-search input{width:180px}
  .faq-layout{gap:40px}
}
@media (max-width:991.98px){
  :root{--pad-section:64px}
  .shell{width:min(1200px,100% - 32px)}
  .dock-links,.dock-search{display:none}
  .menu-btn{display:grid}
  .dock-actions{margin-left:auto}
  .page-hero{padding:136px 0 60px}
  .form-grid,.check-grid,.faq-layout,.contact-grid{grid-template-columns:1fr}
  .feature-side{grid-template-rows:auto}
  .steps{grid-template-columns:1fr 1fr;border-top:0}
  .step{border-left:0;border-top:1px solid var(--line);padding:22px 0 6px}
  .step:first-child{border-top:1px solid var(--line);padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  :root{--pad-section:48px}
  body{font-size:15px;padding-bottom:74px}
  .page-hero{padding:120px 0 48px}
  .hero-stats{grid-template-columns:1fr;margin-top:32px}
  .hero-stats .stat{border-left:0;border-top:1px solid var(--line);padding:16px 20px}
  .hero-stats .stat:first-child{border-top:0}
  .news-item{grid-template-columns:1fr;gap:16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .sticky-cta{
    left:0;bottom:0;width:100%;transform:translateY(120%);
    border-radius:14px 14px 0 0;padding:10px 12px 10px 16px;
  }
  .sticky-cta.show{transform:translateY(0)}
  .sticky-cta p{font-size:13px}
  .sticky-cta .btn{padding:8px 14px;font-size:13px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .hero-cta .btn{width:100%}
  .news-foot{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
}

/* roulang page: category2 */
:root{
  --brand-900:#16204A;
  --brand-700:#1E2A5E;
  --brand-500:#31409B;
  --cyan-500:#2CB4C6;
  --accent-500:#7A5CF0;
  --bg:#F5F7FC;
  --surface:#FFFFFF;
  --ink:#222A3D;
  --ink-2:#5A6478;
  --line:#E3E7F2;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(22,32,74,.04),0 10px 28px -12px rgba(22,32,74,.12);
  --shadow-2:0 2px 6px rgba(22,32,74,.06),0 18px 38px -14px rgba(22,32,74,.22);
  --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  padding-bottom:80px;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:90;padding:16px 16px 0;pointer-events:none;transition:padding var(--ease)}
.dock{
  pointer-events:auto;width:min(1080px,100%);margin:0 auto;
  display:flex;align-items:center;gap:16px;height:68px;padding:0 14px 0 18px;
  background:rgba(255,255,255,.93);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:999px;
  box-shadow:0 1px 2px rgba(22,32,74,.04),0 14px 32px -18px rgba(22,32,74,.3);
  transition:height var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{padding-top:8px}
.site-header.scrolled .dock{height:58px;box-shadow:0 1px 2px rgba(22,32,74,.05),0 12px 26px -16px rgba(22,32,74,.35)}
.dock-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--brand-900);white-space:nowrap;letter-spacing:-.01em}
.mark{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand-500),var(--accent-500));color:#fff;font-size:15px;font-weight:700;flex:0 0 30px}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-links a{position:relative;display:inline-block;padding:8px 13px;font-size:15px;color:var(--ink-2);border-radius:999px;transition:color var(--ease),background var(--ease)}
.dock-links a:hover{color:var(--brand-700);background:#F0F3FC}
.dock-links a.active{color:var(--brand-700);font-weight:600}
.dock-links a.active::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--accent-500)}
.dock-search input{
  width:206px;height:38px;border-radius:999px;border:1px solid var(--line);background:#F7F9FE;
  padding:0 15px;font-size:14px;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.dock-search input::placeholder{color:#98A2B8}
.dock-search input:focus{outline:none;border-color:var(--brand-700);background:#fff;box-shadow:0 0 0 3px rgba(122,92,240,.15)}
.dock-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--brand-700);cursor:pointer;
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{background:#F0F3FC;border-color:var(--brand-500);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.menu-btn{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background var(--ease),border-color var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-solid{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.btn-solid:hover{background:var(--brand-500);border-color:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(49,64,155,.95)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-700);background:#F0F3FC;color:var(--brand-700)}
.btn:disabled,.btn.is-disabled{opacity:.55;pointer-events:none}
.link-cyan{color:var(--cyan-500);font-size:14.5px;font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px}
.link-cyan:hover{color:var(--brand-500)}

/* ---------- 移动端抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;background:rgba(22,32,74,.44);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease)}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86%);height:100%;background:#fff;padding:22px 20px;box-shadow:-14px 0 34px -20px rgba(22,32,74,.5);transform:translateX(14px);transition:transform var(--ease)}
.drawer.open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-head .dock-brand{font-size:16px}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-top:22px}
.drawer-links a{display:block;padding:12px 14px;border-radius:12px;font-size:16px;color:var(--ink);transition:background var(--ease),color var(--ease)}
.drawer-links a:hover{background:#F0F3FC;color:var(--brand-700)}
.drawer-links a.active{background:#F0F3FC;color:var(--brand-700);font-weight:600}

/* ---------- 主结构 ---------- */
main{padding-top:112px}
.section{padding:88px 0}
.section.tint{background:var(--surface)}
.section-head{margin-bottom:36px;max-width:760px}
.section-head h2{font-size:clamp(1.5rem,1.1rem+1.4vw,2rem);line-height:1.3;font-weight:700;color:var(--brand-900);letter-spacing:-.01em}
.section-head .sub{margin-top:14px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- 页头（左对齐标题块，无大图） ---------- */
.page-head{background:var(--surface);border-bottom:1px solid var(--line);padding:52px 0 46px}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-2);margin-bottom:22px}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:#C3CADD}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#F0F3FC;border:1px solid var(--line);color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1}
.page-head h1{margin:18px 0 14px;font-size:clamp(1.875rem,1.2rem+2.4vw,2.75rem);line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--brand-900)}
.page-head .lead{max-width:760px;color:var(--ink-2);font-size:16.5px;line-height:1.85}
.stat-strip{display:flex;flex-wrap:wrap;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.stat{padding-right:38px;margin-right:38px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0;margin-right:0;padding-right:0}
.stat b{display:block;font-size:30px;line-height:1.15;font-weight:700;color:var(--brand-900);letter-spacing:-.01em}
.stat span{font-size:13px;color:var(--ink-2)}

/* ---------- 标签与筛选 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{display:inline-flex;align-items:center;padding:8px 15px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--ink-2);transition:border-color var(--ease),color var(--ease),background var(--ease)}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700)}
.chip.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff}

/* ---------- 战队选手卡片 ---------- */
.p-card{
  height:100%;display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.p-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D6DCF0}
.p-card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#E9EDF8}
.p-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.p-card:hover .p-card-media img{transform:scale(1.04)}
.p-card-media .tag-float{position:absolute;left:12px;top:12px;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.94);color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.4}
.p-card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px 22px 22px}
.p-card-body h3{font-size:1.25rem;line-height:1.4;font-weight:700;color:var(--brand-900)}
.p-card-body p{font-size:14.5px;line-height:1.78;color:var(--ink-2)}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:14px}
.badge-soft{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--brand-700);font-size:12px;letter-spacing:.02em;line-height:1.2}

/* ---------- 资料维度 ---------- */
.dim-card{height:100%;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1)}
.dim-card h3{font-size:1.125rem;font-weight:700;color:var(--brand-900);margin-bottom:16px}
.dim-list{display:flex;flex-direction:column;gap:12px}
.dim-list li{display:flex;gap:10px;font-size:15px;line-height:1.72;color:var(--ink-2)}
.dim-list li::before{content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--cyan-500)}
.meter{margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.meter-item+.meter-item{margin-top:18px}
.meter-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:8px;font-size:13.5px;color:var(--ink-2)}
.meter-row b{color:var(--brand-900);font-size:15px}
.meter-bar{height:8px;border-radius:999px;background:#E9EDF8;overflow:hidden}
.meter-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-500),var(--cyan-500))}

/* ---------- 流程步骤 ---------- */
.step{height:100%;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease)}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step b{display:block;margin-bottom:12px;font-size:40px;line-height:1;font-weight:700;color:rgba(30,42,94,.13);letter-spacing:-.02em}
.step h3{font-size:1.125rem;font-weight:700;color:var(--brand-900);margin-bottom:8px}
.step p{font-size:14.5px;line-height:1.75;color:var(--ink-2)}

/* ---------- 使用反馈 ---------- */
.quote-card{height:100%;padding:26px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--cyan-500);border-radius:var(--r-card);box-shadow:var(--shadow-1)}
.quote-card p{font-size:16px;line-height:1.85;color:var(--ink)}
.quote-meta{margin-top:18px;font-size:13.5px;color:var(--ink-2)}
.quote-meta strong{color:var(--brand-700)}

/* ---------- FAQ ---------- */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px;transition:background var(--ease),border-color var(--ease)}
.faq-item:hover{border-color:#CFD6EA}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 0;font-size:16px;font-weight:600;color:var(--brand-900);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;font-size:20px;line-height:1;color:var(--brand-500);transition:transform .2s ease}
.faq-item[open]{background:#F7F9FE}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 4px 20px 0;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA 表单 ---------- */
.cta-panel{background:var(--brand-900);border-radius:22px;padding:48px;color:#fff}
.cta-panel h2{font-size:clamp(1.5rem,1.1rem+1.4vw,2rem);line-height:1.3;font-weight:700;color:#fff}
.cta-panel .cta-lead{margin-top:14px;color:#C6CDE6;font-size:15.5px;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:#C6CDE6;line-height:1.7}
.cta-points li::before{content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--cyan-500)}
.field{margin-bottom:18px}
.field label{display:block;margin-bottom:8px;font-size:14px;font-weight:600;color:#C6CDE6}
.field input,.field textarea{
  width:100%;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.2);background:#fff;color:var(--ink);
  padding:0 15px;height:46px;font-size:15px;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 15px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#98A2B8}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(122,92,240,.18)}
.err{display:none;margin-top:6px;font-size:13px;color:#E5484D}
.field.has-error .err{display:block}
.form-ok{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-btn);background:rgba(44,180,198,.14);border:1px solid rgba(44,180,198,.4);color:#EAF4FF;font-size:14px}
.form-ok.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:17px;font-weight:700;color:var(--brand-900)}
.footer-about{max-width:340px;font-size:14px;line-height:1.8;color:var(--ink-2)}
.footer-col h4{margin-bottom:16px;font-size:14px;font-weight:700;color:var(--brand-900)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color var(--ease)}
.footer-col a:hover{color:var(--brand-500)}
.footer-contact div{margin-bottom:8px;font-size:14px;color:var(--ink-2)}
.footer-contact strong{color:var(--brand-700)}
.footer-note{margin-top:12px;font-size:13px;line-height:1.7;color:#8A93A8}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:20px 0;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2)}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:50%;bottom:18px;z-index:100;
  width:min(920px,calc(100% - 32px));display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 22px;background:#fff;border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--shadow-2);transform:translate(-50%,150%);transition:transform .3s ease;
}
.sticky-cta.show{transform:translate(-50%,0)}
.sticky-text{flex:1;min-width:0;font-size:14px;color:var(--ink-2)}
.sticky-close{width:34px;height:34px;flex:0 0 34px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:18px;line-height:1;cursor:pointer;transition:background var(--ease),color var(--ease)}
.sticky-close:hover{background:#F0F3FC;color:var(--brand-700)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .dock-search input{width:170px}
}
@media (max-width:991.98px){
  .dock-links,.dock-search{display:none}
  .menu-btn{display:grid}
  .dock{padding:0 12px 0 16px;gap:10px}
  .dock-actions{margin-left:auto}
  main{padding-top:104px}
  .section{padding:64px 0}
  .page-head{padding:40px 0 36px}
  .stat{padding-right:28px;margin-right:28px}
  .cta-panel{padding:36px 28px}
}
@media (max-width:767.98px){
  .shell{padding:0 16px}
  main{padding-top:96px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sticky-cta{
    left:0;bottom:0;width:100%;transform:translateY(120%);
    border-radius:18px 18px 0 0;padding:10px 12px 10px 16px;gap:10px;
  }
  .sticky-cta.show{transform:translateY(0)}
  .sticky-text{font-size:13px;line-height:1.5}
  .dock-brand{font-size:16px}
}
@media (max-width:575.98px){
  .stat{flex:0 0 50%;padding:0;margin:0 0 18px;border-right:0}
  .stat b{font-size:24px}
  .stat-strip{margin-top:24px;padding-top:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding-bottom:28px}
  .cta-panel{padding:28px 20px}
  .p-card-body{padding:18px}
  .btn{height:44px;padding:0 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --brand-900:#16204A;
  --brand-700:#1E2A5E;
  --brand-500:#31409B;
  --cyan-500:#2CB4C6;
  --accent-500:#7A5CF0;
  --bg:#F5F7FC;
  --surface:#FFFFFF;
  --ink:#222A3D;
  --ink-2:#5A6478;
  --line:#E3E7F2;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-card:0 1px 2px rgba(22,32,74,.04),0 10px 28px -12px rgba(22,32,74,.12);
  --shadow-hover:0 2px 4px rgba(22,32,74,.06),0 18px 40px -16px rgba(22,32,74,.24);
  --shadow-dock:0 2px 8px rgba(22,32,74,.06),0 16px 40px -20px rgba(22,32,74,.28);
  --maxw:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:80px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--brand-500);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--brand-900);font-weight:700;}
p{margin:0;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}

::selection{background:rgba(122,92,240,.18);}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px;}

.shell{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}
@media (max-width:520px){.shell{padding:0 16px;}}

/* ---------- 导航 Dock ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1040;padding:16px 0;transition:padding .25s ease;}
.site-header.is-scrolled{padding:8px 0;}
.dock{
  width:min(1080px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-dock);
  padding:10px 14px 10px 20px;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:padding .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .dock{padding:6px 14px 6px 18px;}
.dock-brand{
  display:flex;
  align-items:center;
  gap:9px;
  font-weight:700;
  font-size:16px;
  color:var(--brand-900);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.dock-brand:hover{color:var(--brand-700);}
.mark{
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  color:#fff;
  font-size:14px;
  font-weight:700;
  flex:0 0 auto;
}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.dock-links a{
  position:relative;
  display:block;
  padding:8px 12px;
  font-size:15px;
  color:var(--ink);
  border-radius:999px;
  transition:color .25s ease,background .25s ease;
}
.dock-links a:hover{color:var(--brand-700);background:#F0F3FC;}
.dock-links a.active{color:var(--brand-700);font-weight:600;}
.dock-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.dock-search{flex:1 1 auto;min-width:0;display:flex;justify-content:flex-end;}
.dock-search input{
  width:100%;max-width:230px;height:38px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg);
  padding:0 16px;
  color:var(--ink);
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.dock-search input::placeholder{color:#9AA3B8;}
.dock-search input:focus{
  outline:none;background:#fff;border-color:var(--brand-700);
  box-shadow:0 0 0 3px rgba(122,92,240,.15);
}
.dock-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:var(--brand-700);
  cursor:pointer;
  transition:background .25s ease,border-color .25s ease,color .25s ease,transform .25s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{background:#F0F3FC;border-color:var(--brand-700);transform:translateY(-1px);}
.menu-btn{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
  text-decoration:none !important;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:999px;}
.btn-solid{
  background:var(--brand-700);
  color:#fff;
  box-shadow:0 6px 16px -8px rgba(30,42,94,.6);
}
.btn-solid:hover{
  background:linear-gradient(180deg,var(--brand-700),var(--brand-500));
  color:#fff;transform:translateY(-1px);
}
.btn-ghost{
  background:#fff;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{background:#F0F3FC;border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-1px);}
.btn[disabled],.btn.is-disabled{opacity:.55;pointer-events:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--cyan-500);
  border-bottom:2px solid rgba(44,180,198,.35);
  padding-bottom:2px;
  transition:color .25s ease,border-color .25s ease,gap .25s ease;
}
.link-more:hover{color:var(--brand-700);border-color:var(--brand-700);gap:10px;}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:999px;
  background:var(--bg);
  border:1px solid var(--line);
  color:var(--brand-700);
  font-size:12px;
  letter-spacing:.02em;
  line-height:1;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 10px;
  border-radius:8px;
  background:#F0F3FC;
  color:var(--brand-500);
  font-size:12px;
  letter-spacing:.02em;
}

/* ---------- 主体 ---------- */
main{padding-top:96px;}
.section{padding:88px 0;}
.section-alt{background:var(--surface);}
@media (max-width:991.98px){.section{padding:64px 0;}}
@media (max-width:767.98px){.section{padding:48px 0;} main{padding-top:84px;}}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.5rem,1.1rem+1.4vw,2rem);line-height:1.3;letter-spacing:-.01em;}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:640px;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:right center;
  opacity:.16;
}
.cat-hero-inner{position:relative;padding:56px 0 48px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:22px;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand-700);}
.crumb span.sep{color:#B7BFD2;}
.cat-hero h1{
  font-size:clamp(1.875rem,1.2rem+2.4vw,2.75rem);
  line-height:1.25;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.cat-hero h1 em{
  font-style:normal;
  color:var(--cyan-500);
}
.cat-hero-lead{max-width:660px;color:var(--ink-2);font-size:16px;line-height:1.8;}
.cat-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;}

.scope-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:24px;
}
.scope-card h3{
  font-size:15px;
  letter-spacing:.02em;
  color:var(--brand-700);
  margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.scope-card h3 i{color:var(--cyan-500);}
.scope-item{padding:12px 0;border-top:1px solid var(--line);}
.scope-item:first-of-type{border-top:none;padding-top:0;}
.scope-item .num{
  font-family:var(--font-num);
  font-size:24px;font-weight:700;color:var(--brand-900);
  letter-spacing:-.02em;
}
.scope-item .num small{font-size:13px;font-weight:600;color:var(--ink-2);margin-left:4px;}
.scope-item .desc{font-size:13px;color:var(--ink-2);margin-top:2px;}
.bar{height:6px;border-radius:999px;background:var(--bg);overflow:hidden;margin-top:8px;}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-700),var(--cyan-500));}
.hero-cover{margin-top:6px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);}
.hero-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 目录索引 ---------- */
.toc-panel{position:sticky;top:104px;}
.toc-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:18px;
}
.toc-card h2{
  font-size:13px;
  letter-spacing:.06em;
  color:var(--ink-2);
  font-weight:700;
  margin-bottom:12px;
  text-transform:uppercase;
}
.toc-list li + li{margin-top:2px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;
  border-radius:8px;
  font-size:14px;
  color:var(--ink-2);
  transition:background .25s ease,color .25s ease;
}
.toc-list a:hover{background:#F0F3FC;color:var(--brand-700);}
.toc-list a.is-active{background:#F0F3FC;color:var(--brand-700);font-weight:600;}
.toc-list a .idx{
  font-family:var(--font-num);
  font-size:12px;
  color:var(--cyan-500);
  min-width:20px;
}
@media (max-width:991.98px){
  .toc-panel{position:static;margin-bottom:12px;}
  .toc-card{padding:12px 14px;border-radius:999px;}
  .toc-card h2{display:none;}
  .toc-list{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:4px;-webkit-overflow-scrolling:touch;}
  .toc-list li{flex:0 0 auto;scroll-snap-align:start;}
  .toc-list li + li{margin-top:0;}
  .toc-list a{white-space:nowrap;background:#F0F3FC;}
}

/* ---------- 分节内容 ---------- */
.doc-section{padding:32px 0;border-top:1px solid var(--line);scroll-margin-top:104px;}
.doc-section:first-child{border-top:none;padding-top:8px;}
.doc-section h2{
  font-size:clamp(1.25rem,1.05rem+.6vw,1.5rem);
  line-height:1.35;
  margin-bottom:10px;
  display:flex;align-items:baseline;gap:10px;
}
.doc-section h2 .no{
  font-family:var(--font-num);
  font-size:14px;
  color:var(--cyan-500);
  font-weight:700;
}
.doc-section > p{color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:720px;margin-bottom:20px;}

.grid-cards{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-cards.three{grid-template-columns:repeat(3,minmax(0,1fr));}
@media (max-width:991.98px){.grid-cards,.grid-cards.three{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.grid-cards,.grid-cards.three{grid-template-columns:1fr;}}

.mini-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:20px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6DCF0;}
.mini-card h3{font-size:1.05rem;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.mini-card h3 i{color:var(--cyan-500);font-size:15px;}
.mini-card p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.mini-card .tag-row{margin-top:14px;}

.media-row{
  display:grid;
  grid-template-columns:200px minmax(0,1fr);
  gap:20px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:16px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.media-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.media-row img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px;}
.media-row h3{font-size:1.05rem;margin-bottom:6px;}
.media-row p{font-size:14px;color:var(--ink-2);}
.media-row .meta{margin-top:10px;font-size:12.5px;color:var(--ink-2);display:flex;gap:10px;flex-wrap:wrap;font-family:var(--font-num);}
@media (max-width:575.98px){
  .media-row{grid-template-columns:1fr;}
  .media-row img{aspect-ratio:16/9;}
}

.step-list{counter-reset:step;display:grid;gap:14px;}
.step-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--brand-700);
  border-radius:10px;
  padding:18px 20px 18px 22px;
  transition:background .25s ease,border-color .25s ease;
}
.step-item:hover{background:#FAFBFE;border-left-color:var(--accent-500);}
.step-item h3{font-size:1rem;margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.step-item h3 .idx{
  font-family:var(--font-num);font-size:12px;font-weight:700;color:#fff;
  background:var(--brand-700);border-radius:6px;padding:3px 7px;line-height:1;
}
.step-item p{font-size:14px;color:var(--ink-2);}

.check-list{display:grid;gap:10px;margin-top:4px;}
.check-list li{
  display:flex;gap:10px;
  font-size:14.5px;
  color:var(--ink-2);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:10px;
  padding:12px 16px;
}
.check-list li i{color:var(--cyan-500);margin-top:4px;font-size:13px;}
.check-list li strong{color:var(--ink);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start;}
@media (max-width:991.98px){.faq-wrap{grid-template-columns:1fr;gap:28px;}}
.faq-aside h2{font-size:clamp(1.5rem,1.1rem+1.4vw,2rem);line-height:1.3;margin-bottom:12px;}
.faq-aside p{color:var(--ink-2);font-size:15px;line-height:1.8;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 4px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--brand-900);
  cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:#FAFBFE;color:var(--brand-500);}
.faq-q .plus{
  flex:0 0 auto;
  width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand-700);
  transition:transform .2s ease;
}
.faq-q[aria-expanded="true"] .plus{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s ease;
}
.faq-a p{
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
  padding:0 4px 20px;
}

/* ---------- 表单 CTA ---------- */
.cta-band{
  background:var(--brand-900);
  border-radius:18px;
  padding:44px;
  color:#fff;
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:40px;
}
@media (max-width:991.98px){.cta-band{grid-template-columns:1fr;padding:30px;gap:24px;}}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,1.1rem+.9vw,1.85rem);line-height:1.35;margin-bottom:12px;}
.cta-band p{color:#C7CEE6;font-size:15px;line-height:1.85;}
.cta-points{margin-top:20px;display:grid;gap:8px;}
.cta-points li{font-size:14px;color:#D5DBEE;display:flex;gap:9px;align-items:flex-start;}
.cta-points li i{color:var(--cyan-500);margin-top:4px;font-size:12px;}
.form-card{background:#fff;border-radius:var(--r-card);padding:24px;}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
@media (max-width:575.98px){.form-row{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:14px;color:var(--ink);font-weight:600;}
.field input,.field select,.field textarea{
  height:46px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:0 14px;
  color:var(--ink);
  background:#fff;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-700);
  box-shadow:0 0 0 3px rgba(122,92,240,.15);
}
.form-hint{font-size:13px;color:var(--ink-2);margin-top:10px;}
.form-err{font-size:13px;color:#C0392B;display:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#C7CEE6;padding:64px 0 24px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) repeat(3,minmax(0,2.6fr));gap:36px;}
@media (max-width:991.98px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.footer-brand .mark{background:linear-gradient(135deg,var(--cyan-500),var(--brand-500));}
.footer-about{font-size:14px;line-height:1.85;color:#9FA9C7;max-width:340px;}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:14px;color:#9FA9C7;}
.footer-col a:hover{color:#fff;}
.footer-contact{font-size:14px;color:#9FA9C7;line-height:1.9;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-note{font-size:13px;color:#7C87A8;line-height:1.8;margin-top:14px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8E99B8;
}

/* ---------- 底部固定转化条 ---------- */
.sticky-bar{
  position:fixed;left:50%;bottom:20px;
  transform:translate(-50%,140%);
  width:min(920px,calc(100% - 32px));
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 8px 24px -10px rgba(22,32,74,.3),0 24px 60px -30px rgba(22,32,74,.4);
  padding:10px 12px 10px 22px;
  display:flex;align-items:center;gap:14px;
  z-index:1050;
  transition:transform .3s ease;
}
.sticky-bar.is-visible{transform:translate(-50%,0);}
.sticky-bar .tip{font-size:14px;color:var(--ink);flex:1 1 auto;line-height:1.5;}
.sticky-bar .tip strong{color:var(--brand-700);}
.sticky-bar .close-btn{
  width:34px;height:34px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.sticky-bar .close-btn:hover{background:#F0F3FC;color:var(--brand-700);border-color:var(--brand-700);}
@media (max-width:767.98px){
  .sticky-bar{left:0;bottom:0;width:100%;transform:translateY(140%);border-radius:16px 16px 0 0;padding:10px 14px;gap:10px;height:60px;}
  .sticky-bar.is-visible{transform:translateY(0);}
  .sticky-bar .tip{font-size:13px;}
  .sticky-bar .tip .hide-sm{display:none;}
}

/* ---------- 移动端导航抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:1060;
  background:rgba(22,32,74,.42);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;
  width:min(320px,84%);
  height:100%;
  background:#fff;
  padding:22px 20px;
  transform:translateX(100%);
  transition:transform .28s ease;
  display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-panel .drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:14px;
}
.drawer-panel .drawer-head strong{font-size:16px;color:var(--brand-900);}
.drawer-links{display:grid;gap:4px;margin-bottom:18px;}
.drawer-links a{
  font-size:16px;color:var(--ink);padding:12px 12px;border-radius:10px;
}
.drawer-links a:hover{background:#F0F3FC;color:var(--brand-700);}
.drawer-links a.active{background:#F0F3FC;color:var(--brand-700);font-weight:600;}
.drawer-search input{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;background:var(--bg);
}
.drawer-search input:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(122,92,240,.15);background:#fff;}

@media (max-width:991.98px){
  .dock-links,.dock-search{display:none;}
  .menu-btn{display:inline-flex;}
  .dock{padding:8px 10px 8px 16px;gap:10px;justify-content:space-between;}
  .dock-actions .btn-sm{display:none;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}