/* roulang page: index */
:root{
  --c-bg:#F5F8FB;
  --c-bg-soft:#EEF5F8;
  --c-card:#FFFFFF;
  --c-primary:#2B6A99;
  --c-primary-dark:#21537A;
  --c-primary-soft:#E4EFF7;
  --c-accent:#FFC61A;
  --c-accent-hover:#F2B900;
  --c-accent-soft:#FFF4D6;
  --c-text:#1B2730;
  --c-muted:#3D4A55;
  --c-weak:#6A7885;
  --c-line:#E4EAF0;
  --c-footer:#20303C;
  --c-footer-text:#C9D8E2;
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-card:0 6px 18px rgba(27,39,48,.06);
  --shadow-hover:0 14px 30px rgba(27,39,48,.10);
  --shadow-float:0 18px 40px rgba(27,39,48,.16);
  --font-stack:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Segoe UI",system-ui,sans-serif;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-muted);
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.7;
}
img{max-width:100%;display:block;}
h1,h2,h3,h4,p,ul,figure,figcaption{margin:0;}
ul{list-style:none;padding:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
.container{
  max-width:1180px;
  margin:0 auto;
  padding-left:clamp(20px,4vw,40px);
  padding-right:clamp(20px,4vw,40px);
}
a:focus-visible,
button:focus-visible{
  outline:3px solid rgba(43,106,153,.28);
  outline-offset:2px;
  border-radius:8px;
}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-btn);
  padding:11px 22px;
  min-height:46px;
  font-size:15px;
  font-weight:700;
  line-height:1.4;
  border:1px solid transparent;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:scale(.98);}
.btn-yellow{
  background:var(--c-accent);
  color:#1E2B34;
  border-color:var(--c-accent);
}
.btn-yellow:hover{
  background:var(--c-accent-hover);
  border-color:var(--c-accent-hover);
  box-shadow:0 10px 20px rgba(255,198,26,.28);
}
.btn-outline{
  background:#fff;
  color:var(--c-primary);
  border-color:rgba(43,106,153,.45);
}
.btn-outline:hover{
  background:var(--c-primary-soft);
  border-color:var(--c-primary);
  color:var(--c-primary);
}
.btn-lg{padding:14px 30px;min-height:52px;font-size:16px;border-radius:12px;}
.btn .arrow{transition:transform .2s ease;}
.btn:hover .arrow{transform:translateX(4px);}

/* ========== 左侧竖向导航 ========== */
.sidebar{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:248px;
  z-index:60;
  background:linear-gradient(180deg,#FFFFFF 0%,#F9FBFD 100%);
  border-right:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  padding:22px 18px 20px;
  gap:8px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  border-radius:14px;
  padding:6px 6px 6px 4px;
}
.brand-mark{
  width:40px;
  height:40px;
  flex:0 0 40px;
  border-radius:12px;
  background:var(--c-accent);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#5E4300;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);
}
.brand-mark svg{width:23px;height:23px;}
.brand-text{
  font-size:17px;
  font-weight:800;
  color:var(--c-text);
  letter-spacing:.2px;
}
.side-label{
  margin:32px 12px 8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--c-weak);
  text-transform:uppercase;
}
.side-nav{
  display:grid;
  gap:6px;
}
.side-nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  color:var(--c-muted);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-nav a svg{width:17px;height:17px;opacity:.85;}
.side-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.side-nav a.active{
  background:var(--c-primary);
  color:#fff;
}
.side-nav a:active{transform:scale(.98);}
.side-note{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:9px;
  background:var(--c-accent-soft);
  border:1px solid rgba(255,198,26,.45);
  color:#5E4300;
  font-size:13px;
  font-weight:600;
  padding:9px 13px;
  border-radius:var(--r-pill);
}
.pulse-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:#E4A200;
  box-shadow:0 0 0 0 rgba(228,162,0,.5);
  animation:pulse 2.2s infinite;
  flex:0 0 auto;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(228,162,0,.5);}
  70%{box-shadow:0 0 0 8px rgba(228,162,0,0);}
  100%{box-shadow:0 0 0 0 rgba(228,162,0,0);}
}

/* ========== 移动端顶栏 ========== */
.mobile-top{
  display:none;
  position:sticky;
  top:0;
  z-index:55;
  height:60px;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  box-shadow:0 2px 10px rgba(27,39,48,.04);
}
.mobile-top .brand{padding:0;gap:8px;}
.nav-toggle{
  width:42px;
  height:42px;
  border-radius:10px;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border:1px solid var(--c-line);
}
.nav-toggle span{
  width:20px;
  height:2px;
  background:var(--c-text);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.mobile-nav{
  display:none;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  padding:6px 16px 14px;
}
.mobile-nav.open{display:block;}
.mobile-nav a{
  display:block;
  padding:12px 16px;
  border-radius:var(--r-pill);
  font-weight:600;
  color:var(--c-muted);
}
.mobile-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.mobile-nav a.active{background:var(--c-primary);color:#fff;}
.nav-toggle.is-open span:first-child{transform:translateY(7px) rotate(45deg);background:var(--c-primary);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:last-child{transform:translateY(-7px) rotate(-45deg);background:var(--c-primary);}

/* ========== 主内容区 ========== */
.main-area{margin-left:248px;min-width:0;}
.section{padding:clamp(56px,7vw,110px) 0;}

/* ========== 首屏 Hero ========== */
.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 82% 18%,rgba(255,198,26,.14),transparent 240px),
    linear-gradient(180deg,#EAF2F8 0%,#F5F8FB 100%);
  border-bottom:1px solid var(--c-line);
  padding:clamp(52px,7vw,96px) 0 clamp(52px,6vw,84px);
}
.hero-inner{
  display:grid;
  grid-template-columns:1.04fr .96fr;
  gap:clamp(28px,4.4vw,68px);
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--c-accent-soft);
  color:#6B4E00;
  border:1px solid rgba(255,198,26,.5);
  padding:5px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  margin-bottom:18px;
}
.hero-title{
  font-size:clamp(34px,4.6vw,52px);
  line-height:1.18;
  letter-spacing:-.5px;
  font-weight:800;
  color:var(--c-text);
  margin-bottom:18px;
}
.hero-title .highlight{
  position:relative;
  color:var(--c-primary);
}
.hero-lead{
  max-width:560px;
  font-size:17px;
  line-height:1.85;
  color:#3E5463;
  margin-bottom:26px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:24px;
}
.trust-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
}
.trust-list li{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:600;
  color:var(--c-weak);
}
.trust-list svg{width:17px;height:17px;color:#43A047;flex:0 0 auto;}
.hero-figure{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  box-shadow:var(--shadow-hover);
  transform:rotate(1deg);
  background:#fff;
}
.hero-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.hero-float-tag{
  position:absolute;
  left:18px;
  bottom:16px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(4px);
  border:1px solid rgba(255,198,26,.65);
  color:#5E4300;
  font-weight:700;
  font-size:13px;
  padding:7px 13px;
  border-radius:999px;
  box-shadow:0 6px 16px rgba(27,39,48,.12);
}

/* ========== 板块标题与通用网格 ========== */
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--c-primary);
  margin-bottom:8px;
}
.kicker::before{
  content:"";
  width:24px;
  height:2px;
  background:var(--c-accent);
  border-radius:2px;
}
.section-head{
  max-width:720px;
  margin-bottom:42px;
}
.section-head h2{
  font-size:clamp(24px,2.8vw,34px);
  line-height:1.3;
  font-weight:800;
  color:var(--c-text);
  margin-bottom:12px;
  letter-spacing:-.3px;
}
.section-head p{
  font-size:16px;
  color:var(--c-weak);
  line-height:1.8;
}

/* ========== 卖点三连 ========== */
.benefit-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.benefit-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;
  flex-direction:column;
}
.benefit-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:#D3E3EF;
}
.benefit-icon{
  width:56px;
  height:56px;
  flex:0 0 56px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:var(--c-accent-soft);
  color:#8A6500;
  margin-bottom:18px;
}
.benefit-icon svg{width:27px;height:27px;}
.benefit-card h3{
  font-size:19px;
  font-weight:800;
  color:var(--c-text);
  margin-bottom:10px;
}
.benefit-card p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--c-muted);
  margin-bottom:16px;
  flex:1;
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:5px;
  color:var(--c-primary);
  font-weight:700;
  font-size:14px;
  transition:color .2s ease;
}
.card-link svg{width:16px;height:16px;transition:transform .2s ease;}
.card-link:hover{color:var(--c-primary-dark);}
.card-link:hover svg{transform:translateX(4px);}

/* ========== 场景演示 ========== */
.scenes{
  background:#fff;
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.scene-block{
  display:grid;
  grid-template-columns:44% 1fr;
  gap:clamp(30px,4.6vw,72px);
  align-items:center;
  margin-bottom:clamp(50px,5vw,76px);
}
.scene-block:last-child{margin-bottom:0;}
.scene-block.flipped .scene-media{order:2;}
.scene-media{}
.scene-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  background:var(--c-bg);
}
.scene-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .35s ease;
}
.scene-figure:hover img{transform:scale(1.025);}
.scene-caption{
  margin-top:8px;
  font-size:13px;
  color:var(--c-weak);
  text-align:center;
}
.scene-copy h3{
  font-size:20px;
  line-height:1.45;
  font-weight:800;
  color:var(--c-text);
  margin-bottom:14px;
}
.scene-copy > p{
  font-size:15px;
  line-height:1.85;
  color:var(--c-muted);
  margin-bottom:20px;
}
.check-list{
  display:grid;
  gap:10px;
}
.check-list li{
  position:relative;
  padding-left:30px;
  font-size:14.5px;
  line-height:1.6;
  color:var(--c-muted);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:3px;
  width:18px;
  height:18px;
  border-radius:50%;
  background:var(--c-primary-soft);
}
.check-list li::after{
  content:"✓";
  position:absolute;
  left:3px;
  top:-1px;
  width:18px;
  color:var(--c-primary);
  font-size:12px;
  font-weight:800;
  text-align:center;
}

/* ========== 社会认同 ========== */
.proof{
  background:var(--c-bg-soft);
  border-bottom:1px solid var(--c-line);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-bottom:30px;
}
.stat-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px 16px;
  text-align:center;
  box-shadow:var(--shadow-card);
}
.stat-num{
  display:block;
  font-size:clamp(28px,3vw,40px);
  font-weight:800;
  letter-spacing:-.5px;
  color:#9A7100;
  line-height:1.2;
}
.stat-label{
  display:block;
  margin-top:4px;
  font-size:13.5px;
  color:var(--c-weak);
  font-weight:600;
}
.quote-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.quote-card{
  position:relative;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-card);
}
.quote-mark{
  color:var(--c-accent);
  opacity:.8;
  font-family:Georgia,"Times New Roman",serif;
  font-size:50px;
  line-height:.6;
  position:absolute;
  top:18px;
  right:22px;
  pointer-events:none;
}
.quote-card p{
  font-size:15px;
  line-height:1.85;
  color:var(--c-muted);
  margin-bottom:14px;
  padding-right:24px;
}
.quote-author{
  color:var(--c-primary);
  font-weight:700;
  font-size:13.5px;
}
.topic-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:24px;
}
.tag-chip{
  background:#fff;
  border:1px solid var(--c-line);
  color:var(--c-weak);
  font-size:13px;
  padding:5px 13px;
  border-radius:999px;
  font-weight:600;
}

/* ========== FAQ ========== */
.faq-wrap{
  max-width:900px;
  margin:0 auto;
}
.faq-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item[open]{
  border-color:var(--c-primary);
  box-shadow:0 10px 26px rgba(43,106,153,.08);
}
.faq-q{
  display:flex;
  align-items:center;
  gap:14px;
  padding:17px 20px;
  cursor:pointer;
  list-style:none;
  font-weight:700;
  color:var(--c-text);
  font-size:15.5px;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q:hover{background:#FBFDFE;}
.faq-icon{
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:14px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 28px;
}
.faq-chevron{
  margin-left:auto;
  width:18px;
  height:18px;
  color:var(--c-weak);
  transition:transform .25s ease;
}
.faq-item[open] .faq-chevron{transform:rotate(45deg);}
.faq-a{
  padding:0 20px 20px 62px;
  color:var(--c-muted);
  font-size:14.5px;
  line-height:1.85;
}

/* ========== 底部 CTA ========== */
.cta-section{
  background:var(--c-bg);
}
.cta-band{
  position:relative;
  background:linear-gradient(135deg,#224F70 0%,#2B6A99 100%);
  border-radius:22px;
  color:#fff;
  text-align:center;
  padding:clamp(34px,5vw,60px) clamp(24px,4vw,48px);
  overflow:hidden;
  box-shadow:0 18px 40px rgba(27,39,48,.14);
}
.cta-band::before{
  content:"";
  position:absolute;
  width:240px;
  height:240px;
  border-radius:50%;
  background:rgba(255,198,26,.14);
  top:-90px;
  right:-60px;
}
.cta-band::after{
  content:"";
  position:absolute;
  width:150px;
  height:150px;
  border-radius:50%;
  background:rgba(255,198,26,.10);
  bottom:-70px;
  left:-40px;
}
.cta-band > *{position:relative;z-index:1;}
.cta-kicker{
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:#FFE9A0;
  margin-bottom:10px;
}
.cta-band h2{
  font-size:clamp(22px,3vw,32px);
  color:#fff;
  margin-bottom:12px;
  font-weight:800;
}
.cta-band p:not(.cta-kicker){
  color:#D4E5F2;
  font-size:15px;
  max-width:680px;
  margin-left:auto;
  margin-right:auto;
  margin-bottom:22px;
}
.cta-band .cta-note{
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-top:12px;
  margin-bottom:0;
}
.cta-band .btn-yellow{box-shadow:0 10px 20px rgba(0,0,0,.15);}
.cta-band .btn-yellow:hover{box-shadow:0 14px 28px rgba(0,0,0,.2);}

/* ========== 底部固定转化条 ========== */
.floating-cta{
  position:fixed;
  bottom:14px;
  left:calc(50% + 124px);
  transform:translate(-50%,0);
  width:min(720px,calc(100vw - 248px - 28px));
  z-index:70;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:999px;
  box-shadow:var(--shadow-float);
  display:flex;
  align-items:center;
  gap:12px;
  padding:8px 8px 8px 24px;
  transition:opacity .3s ease,transform .3s ease;
}
.floating-cta p{
  margin:0;
  font-size:14px;
  font-weight:700;
  color:var(--c-text);
  line-height:1.4;
}
.floating-cta a{
  margin-left:auto;
  flex:0 0 auto;
}
.floating-cta.is-hidden{
  opacity:0;
  transform:translate(-50%,26px);
  pointer-events:none;
}
.floating-cta .btn{padding:10px 20px;min-height:42px;}

/* ========== 页脚 ========== */
.site-footer{
  background:var(--c-footer);
  color:var(--c-footer-text);
  padding:clamp(46px,5vw,70px) 0 44px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .8fr 1fr 1.1fr;
  gap:30px;
  margin-bottom:42px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:800;
  margin-bottom:12px;
}
.footer-brand .brand-mark{width:34px;height:34px;flex-basis:34px;border-radius:10px;}
.footer-brand .brand-mark svg{width:20px;height:20px;}
.footer-lead{
  color:#9FB2C1;
  font-size:14px;
  line-height:1.85;
  max-width:320px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:12px;
  font-weight:700;
}
.footer-links li{
  margin-bottom:5px;
}
.footer-links a{
  color:#9FB2C1;
  transition:color .2s ease;
}
.footer-links a:hover{
  color:var(--c-accent);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:24px;
  text-align:center;
  color:#8DA3B4;
  font-size:13px;
}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  .sidebar{display:none;}
  .mobile-top{display:flex;}
  .main-area{margin-left:0;}
  .floating-cta{
    left:50%;
    width:min(720px,calc(100vw - 28px));
  }
}
@media (max-width:860px){
  .hero-inner{
    grid-template-columns:1fr;
  }
  .hero-figure{
    max-width:580px;
    width:100%;
    margin-left:auto;
    margin-right:auto;
  }
  .scene-block,
  .scene-block.flipped{
    grid-template-columns:1fr;
  }
  .scene-block.flipped .scene-media{order:0;}
  .scene-media{
    max-width:560px;
  }
  .quote-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:768px){
  .benefit-grid{
    grid-template-columns:1fr;
    max-width:520px;
  }
  .stats-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .section-head{margin-bottom:30px;}
  .hero-actions .btn{width:100%;}
}
@media (max-width:640px){
  .container{
    padding-left:16px;
    padding-right:16px;
  }
  .hero{padding:40px 0 44px;}
  .floating-cta{
    width:calc(100vw - 22px);
    border-radius:18px;
  }
  .floating-cta p{display:none;}
  .floating-cta a{margin-left:auto;width:100%;}
  .faq-a{padding-left:20px;}
  .footer-grid{
    grid-template-columns:1fr;
    gap:24px;
  }
  .site-footer{padding-bottom:50px;}
}
@media (max-width:480px){
  .stats-grid{
    grid-template-columns:1fr;
  }
}

/* roulang page: category1 */
:root{
 --c-bg:#F5F8FB;
 --c-bg-soft:#EEF5F8;
 --c-card:#FFFFFF;
 --c-primary:#2B6A99;
 --c-primary-dark:#21537A;
 --c-primary-soft:#E4EFF7;
 --c-accent:#FFC61A;
 --c-accent-hover:#F2B900;
 --c-accent-soft:#FFF4D6;
 --c-text:#1B2730;
 --c-muted:#3D4A55;
 --c-weak:#6A7885;
 --c-line:#E4EAF0;
 --c-footer:#20303C;
 --c-footer-text:#C9D8E2;
 --c-danger-soft:#FDE8E8;
 --r-btn:10px;
 --r-card:14px;
 --r-img:12px;
 --r-pill:999px;
 --shadow-card:0 6px 18px rgba(27,39,48,.06);
 --shadow-hover:0 14px 30px rgba(27,39,48,.10);
 --shadow-float:0 18px 40px rgba(27,39,48,.16);
 --font-stack:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Segoe UI",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--c-bg);color:var(--c-muted);font-family:var(--font-stack);font-size:16px;line-height:1.7;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
.container{max-width:1180px;margin:0 auto;padding-left:clamp(20px,4vw,40px);padding-right:clamp(20px,4vw,40px);}
a:focus-visible,button:focus-visible{outline:3px solid rgba(43,106,153,.28);outline-offset:2px;border-radius:8px;}
h1,h2,h3,h4,h5{color:var(--c-text);line-height:1.3;margin:0 0 .3em;font-weight:800;}
p{margin:0 0 1em;}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);padding:11px 22px;min-height:46px;font-size:15px;font-weight:700;line-height:1.4;border:1px solid transparent;transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:scale(.98);}
.btn-yellow{background:var(--c-accent);color:#1E2B34;border-color:var(--c-accent);}
.btn-yellow:hover{background:var(--c-accent-hover);border-color:var(--c-accent-hover);box-shadow:0 10px 20px rgba(255,198,26,.28);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:rgba(43,106,153,.45);}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary);}
.btn-lg{padding:14px 30px;min-height:52px;font-size:16px;border-radius:12px;}
.btn .arrow{transition:transform .2s ease;}
.btn:hover .arrow{transform:translateX(4px);}

/* ===== Logo / 导航 ===== */
.brand{display:inline-flex;align-items:center;gap:10px;border-radius:14px;padding:6px 6px 6px 4px;}
.brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--c-accent);display:inline-flex;align-items:center;justify-content:center;color:#5E4300;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);}
.brand-mark svg{width:23px;height:23px;}
.brand-text{font-size:17px;font-weight:800;color:var(--c-text);letter-spacing:.2px;}

.side-nav{display:grid;gap:6px;}
.side-nav a{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--c-muted);transition:background .2s ease,color .2s ease,transform .2s ease;}
.side-nav a svg{width:17px;height:17px;opacity:.85;}
.side-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.side-nav a.active{background:var(--c-primary);color:#fff;}
.side-nav a:active{transform:scale(.98);}

/* ===== 移动端导航 ===== */
.mobile-top{display:none;position:sticky;top:0;z-index:55;height:60px;background:#fff;border-bottom:1px solid var(--c-line);align-items:center;justify-content:space-between;padding:0 16px;box-shadow:0 2px 10px rgba(27,39,48,.04);}
.mobile-top .brand{padding:0;gap:8px;}
.nav-toggle{width:42px;height:42px;border-radius:10px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid var(--c-line);}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-text);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.mobile-nav{display:none;background:#fff;border-bottom:1px solid var(--c-line);padding:6px 16px 14px;}
.mobile-nav.open{display:block;}
.mobile-nav a{display:block;padding:12px 16px;border-radius:var(--r-pill);font-weight:600;color:var(--c-muted);}
.mobile-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.mobile-nav a.active{background:var(--c-primary);color:#fff;}
.nav-toggle.is-open span:first-child{transform:translateY(7px) rotate(45deg);background:var(--c-primary);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:last-child{transform:translateY(-7px) rotate(-45deg);background:var(--c-primary);}

/* ===== App 布局 ===== */
.app-layout{display:flex;min-height:100vh;}
.app-sidebar{width:248px;flex:0 0 248px;position:fixed;top:0;bottom:0;z-index:50;background:#fff;border-right:1px solid var(--c-line);padding:22px 16px;display:flex;flex-direction:column;gap:28px;box-shadow:2px 0 12px rgba(27,39,48,.03);}
.side-status{margin-top:auto;background:var(--c-accent-soft);border-radius:var(--r-card);padding:14px;display:flex;gap:10px;align-items:flex-start;font-size:13px;color:#5E4300;line-height:1.5;}
.side-status svg{width:18px;height:18px;flex:0 0 18px;}
.status-dot{display:inline-flex;align-items:center;gap:5px;font-weight:700;}
.status-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:#F2B900;box-shadow:0 0 0 3px rgba(255,198,26,.25);}
.main-area{margin-left:248px;flex:1;min-width:0;}

/* ===== 分类页头 ===== */
.cat-hero{background:linear-gradient(180deg,#E4EEF6 0%,#F5F8FB 100%);border-bottom:1px solid var(--c-line);padding:clamp(48px,6vw,80px) 0 clamp(40px,5vw,60px);position:relative;overflow:hidden;}
.cat-hero::after{content:"";position:absolute;right:-60px;top:-60px;width:230px;height:230px;border-radius:50%;background:rgba(255,198,26,.14);pointer-events:none;}
.cat-hero-inner{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--c-weak);margin-bottom:20px;}
.breadcrumb a{color:var(--c-primary);font-weight:500;}
.breadcrumb a:hover{text-decoration:underline;}
.cat-title{font-size:clamp(30px,3.8vw,44px);line-height:1.22;letter-spacing:-.4px;max-width:760px;margin:14px 0 16px;}
.cat-title .yellow{color:#9A7400;position:relative;background:linear-gradient(180deg,transparent 64%,rgba(255,198,26,.7) 0);}
.cat-lead{max-width:690px;font-size:16px;line-height:1.85;color:#3E5463;margin-bottom:22px;}

/* ===== 筛选胶囊 ===== */
.filter-bar{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px;}
.filter-badge{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);font-size:14px;font-weight:600;color:var(--c-muted);transition:all .2s ease;}
.filter-badge:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.filter-badge.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ===== 列表卡片 ===== */
.cat-list{padding:clamp(44px,5vw,70px) 0 64px;}
.list-stack{display:grid;gap:22px;margin-top:10px;}
.resource-slot{flex:1;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;display:flex;transition:box-shadow .25s ease,transform .25s ease;}
.resource-slot:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.thumb-wrap{position:relative;width:260px;flex:0 0 260px;overflow:hidden;}
.thumb-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.resource-slot:hover .thumb-wrap img{transform:scale(1.04);}
.thumb-tag{position:absolute;left:14px;top:14px;background:var(--c-accent);color:#5E4300;border-radius:var(--r-pill);padding:4px 12px;font-size:12px;font-weight:800;box-shadow:0 4px 10px rgba(255,198,26,.3);}
.resource-content{flex:1;padding:20px 22px;display:flex;flex-direction:column;}
.rc-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--c-weak);margin-bottom:8px;flex-wrap:wrap;}
.rc-meta span{display:inline-flex;align-items:center;gap:5px;}
.rc-meta svg{width:15px;height:15px;opacity:.7;}
.resource-content h2{font-size:19px;font-weight:800;margin-bottom:8px;color:var(--c-text);}
.resource-content h2 a:hover{color:var(--c-primary);}
.resource-desc{font-size:14px;line-height:1.8;color:var(--c-muted);margin-bottom:12px;}
.rc-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.info-row{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-weak);background:#F5F8FB;border:1px solid var(--c-line);padding:5px 12px;border-radius:var(--r-pill);}
.info-row.ok{color:#2E7D32;background:#EBF7ED;border-color:#D2EED6;}
.info-row.wait{color:#8D6E00;background:var(--c-accent-soft);border-color:#F0D884;}
.link-more{font-size:14px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:5px;}
.link-more:hover{color:var(--c-primary-dark);}
.link-more .arrow{transition:transform .2s;}
.link-more:hover .arrow{transform:translateX(4px);}

/* ===== 提示条 ===== */
.notice-strip{background:var(--c-accent-soft);border-left:4px solid var(--c-accent);border-radius:12px;padding:16px 18px;display:flex;gap:12px;margin:34px 0 8px;font-size:15px;line-height:1.7;color:#6B4E00;}
.notice-strip svg{flex:0 0 20px;width:20px;height:20px;margin-top:3px;color:#B8860B;}
.notice-strip strong{color:#5A3F00;}

/* ===== 其他类目宫格 ===== */
.other-cats{background:var(--c-bg-soft);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:clamp(44px,5vw,60px) 0;}
.other-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px;}
.other-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px 16px;display:flex;gap:12px;align-items:center;transition:box-shadow .2s ease,transform .2s ease;}
.other-card:hover{box-shadow:var(--shadow-card);transform:translateY(-2px);background:var(--c-primary-soft);}
.other-card .ic{width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;}
.other-card .ic svg{width:19px;height:19px;}
.other-card .txt2{font-weight:800;color:var(--c-text);font-size:15px;}
.other-card .sub{font-size:13px;color:var(--c-weak);}
.other-card:hover .txt2{color:var(--c-primary);}

/* ===== CTA 扁带 ===== */
.cat-cta{padding:40px 0 56px;}
.cta-strip-inner{background:var(--c-footer);border-radius:20px;padding:clamp(30px,4vw,48px) clamp(24px,4vw,60px);display:flex;align-items:center;justify-content:space-between;gap:22px;color:#fff;position:relative;overflow:hidden;}
.cta-strip-inner::after{content:"";position:absolute;right:-20px;top:-40px;width:130px;height:130px;border-radius:50%;background:rgba(255,198,26,.2);pointer-events:none;}
.cta-left .pre-line{font-size:13px;color:#F0C93D;font-weight:700;margin-bottom:6px;}
.cta-left h3{color:#fff;font-size:clamp(20px,2.4vw,27px);margin-bottom:6px;}
.cta-left p{color:#C9D8E2;font-size:14px;margin:0;}
.cta-strip-inner .btn-yellow{white-space:nowrap;}

/* ===== Footer ===== */
.site-footer{background:var(--c-footer);color:var(--c-footer-text);padding:64px 0 110px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .8fr 1fr;gap:36px 42px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;}
.footer-lead{font-size:14px;line-height:1.85;margin-top:14px;color:#AFC0CC;max-width:300px;}
.footer-col h4{color:#F0F7FB;font-size:16px;margin-bottom:16px;font-weight:700;}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.footer-links a{font-size:14px;color:#B8C9D4;transition:color .2s ease;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:24px;font-size:13px;color:#9DB2BF;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;}

/* ===== 悬浮转化条 ===== */
.bottom-convert{position:fixed;bottom:14px;left:calc(248px + 50%);transform:translateX(-50%);width:calc(100% - 380px);max-width:640px;background:#fff;border-radius:999px;box-shadow:var(--shadow-float);border:1px solid var(--c-line);padding:10px 12px 10px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;z-index:70;transition:all .3s ease;}
.bottom-convert .bc-text{font-size:15px;font-weight:700;color:var(--c-text);line-height:1.5;}
.bottom-convert .bc-text .mini{display:block;font-weight:400;font-size:13px;color:var(--c-weak);}
.bottom-convert.is-hidden{opacity:0;pointer-events:none;transform:translate(-50%,120%);}

/* ===== 响应式 ===== */
@media (max-width:1100px){
 .other-grid{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .thumb-wrap{width:220px;flex-basis:220px;}
 .bottom-convert{left:50%;width:calc(100% - 180px);}
}
@media (max-width:1024px){
 .app-sidebar{display:none;}
 .main-area{margin-left:0;}
 .mobile-top{display:flex;}
 .bottom-convert{left:50%;width:calc(100% - 60px);bottom:14px;}
 .site-footer{padding-bottom:90px;}
 .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
 .section,.cat-list{padding:44px 0;}
 .resource-slot{flex-direction:column;}
 .thumb-wrap{width:100%;flex-basis:auto;height:190px;}
 .cta-strip-inner{flex-direction:column;align-items:flex-start;}
 .cta-strip-inner .btn{width:100%;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .other-grid{grid-template-columns:1fr;}
 .bottom-convert{left:10px;right:10px;width:auto;border-radius:16px;padding:12px 14px;}
 .bottom-convert .bc-text{font-size:14px;min-width:0;}
 .bottom-convert .btn{padding:8px 14px;min-height:38px;font-size:13px;white-space:nowrap;}
}
@media (max-width:520px){
 .mobile-top{height:56px;}
 .cat-title,.hero-title{line-height:1.3;}
 .filter-bar{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch;scrollbar-width:none;}
 .filter-bar::-webkit-scrollbar{display:none;}
 .filter-badge{white-space:nowrap;}
 .footer-bottom{flex-direction:column;text-align:left;}
 .rc-bottom{flex-direction:column;align-items:flex-start;}
 .info-row{margin-right:0;}
 .notice-strip{font-size:14px;}
 .brand-text{font-size:16px;}
}