/* roulang page: index */
:root {
  --primary: #1E5C3B;
  --primary-dark: #14261C;
  --primary-light: #2F7A54;
  --accent: #E8590C;
  --accent-dark: #C44A09;
  --success: #2E7D32;
  --warning: #C62828;
  --info: #1565C0;
  --bg: #F6F7F4;
  --text: #1A1D1B;
  --text-secondary: #6B7280;
  --border: #E5E7E8;
  --bg-green-light: #E3EFE8;
  --bg-orange-light: #FEF3EC;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 2px 8px rgba(20,38,28,0.06);
  --shadow-hover: 0 10px 28px rgba(20,38,28,0.12);
  --transition: all .25s ease;
  --sidebar-width: 240px;
  --sidebar-width-tablet: 72px;
  --notice-height: 40px;
  --mobile-topbar-height: 56px;
  --font-stack: -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-stack);
  font-size:16px;line-height:1.7;color:var(--text);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
input,select,textarea{font-family:inherit}
:focus{outline:2px solid var(--accent);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{position:relative}

/* ====== Top Notice ====== */
.top-notice{
  position:fixed;top:0;left:0;right:0;height:var(--notice-height);
  background:var(--primary-dark);z-index:300;
  display:flex;align-items:center;justify-content:center;
  padding:0 20px;border-bottom:1px solid rgba(255,255,255,.08);
}
.top-notice .notice-dot{
  width:8px;height:8px;border-radius:50%;background:var(--accent);
  margin-right:10px;animation:pulse 2s infinite;
  flex-shrink:0;
}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(232,89,12,.6)}50%{opacity:.7;box-shadow:0 0 0 6px rgba(232,89,12,0)}}
.top-notice span{
  font-size:12px;color:#A8C5B5;letter-spacing:.5px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.top-notice .notice-close{
  position:absolute;right:16px;color:#A8C5B5;font-size:16px;
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  border-radius:50%;transition:var(--transition);cursor:pointer;
}
.top-notice .notice-close:hover{background:rgba(255,255,255,.1);color:#fff}

/* ====== Mobile Top Bar ====== */
.mobile-topbar{
  display:none;position:fixed;top:var(--notice-height);left:0;right:0;
  height:var(--mobile-topbar-height);background:var(--primary-dark);z-index:250;
  align-items:center;justify-content:space-between;padding:0 16px;
  box-shadow:0 2px 12px rgba(20,38,28,0.2);
}
.mobile-topbar .hamburger-btn{
  width:40px;height:40px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;
  border-radius:8px;transition:var(--transition);
}
.mobile-topbar .hamburger-btn:hover{background:rgba(255,255,255,.1)}
.mobile-topbar .hamburger-btn span{
  display:block;width:20px;height:2px;background:#E5E7E8;border-radius:2px;
}
.mobile-topbar .mobile-logo{
  font-size:18px;font-weight:800;color:#fff;letter-spacing:1px;
}
.mobile-topbar .mobile-logo .logo-dot-org{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--accent);margin-left:6px;vertical-align:2px;
}
.mobile-topbar .mobile-login-btn{
  background:var(--accent);color:#fff;font-size:13px;font-weight:700;
  padding:6px 16px;border-radius:8px;transition:var(--transition);
}
.mobile-topbar .mobile-login-btn:hover{background:var(--accent-dark)}

/* ====== Mobile Drawer ====== */
.mobile-drawer{
  position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(20,38,28,0.98);
  z-index:350;display:flex;flex-direction:column;padding:24px;
  transform:translateX(-100%);transition:transform .35s ease;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer .drawer-header{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.1);
}
.mobile-drawer .drawer-logo{font-size:22px;font-weight:800;color:#fff}
.mobile-drawer .drawer-close{
  width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);
  color:#fff;font-size:16px;display:flex;align-items:center;justify-content:center;
}
.mobile-drawer nav{margin-top:32px;display:flex;flex-direction:column;gap:8px}
.mobile-drawer nav a{
  font-size:16px;line-height:2.4;color:#C8D6CF;
  padding:10px 16px;border-radius:10px;transition:var(--transition);
  border-left:3px solid transparent;
}
.mobile-drawer nav a:hover,.mobile-drawer nav a.active{
  background:rgba(255,255,255,.08);color:#fff;border-left-color:var(--accent);
}
.mobile-drawer .drawer-divider{
  border:none;border-top:1px solid rgba(255,255,255,.08);margin:24px 0;
}

/* ====== Sidebar ====== */
.sidebar{
  position:fixed;top:var(--notice-height);left:0;bottom:0;width:var(--sidebar-width);
  background:var(--primary-dark);z-index:200;
  display:flex;flex-direction:column;
  transition:width .3s ease;
}
.sidebar-logo{
  height:72px;display:flex;align-items:center;padding:0 28px;
  border-bottom:1px solid rgba(255,255,255,.08);flex-shrink:0;
  gap:10px;
}
.sidebar-logo .logo-dot-org{
  width:12px;height:12px;border-radius:50%;background:var(--accent);
  flex-shrink:0;box-shadow:0 0 12px rgba(232,89,12,.5);
}
.sidebar-logo .logo-text{
  font-size:19px;font-weight:800;color:#fff;letter-spacing:1px;white-space:nowrap;
}
.sidebar-nav{flex:1;overflow-y:auto;padding:18px 14px;display:flex;flex-direction:column;gap:4px}
.sidebar-nav::-webkit-scrollbar{width:4px}
.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:4px}
.nav-group-title{
  font-size:11px;color:rgba(255,255,255,.4);letter-spacing:2px;
  padding:16px 14px 8px;font-weight:700;text-transform:uppercase;
}
.nav-item{
  display:flex;align-items:center;gap:14px;height:44px;
  padding:0 14px;border-radius:10px;color:#A8C5B5;
  font-size:14px;font-weight:500;transition:var(--transition);
  border-left:3px solid transparent;position:relative;
}
.nav-item i{width:20px;text-align:center;font-size:16px}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{
  background:rgba(255,255,255,.1);color:#fff;border-left-color:var(--accent);
}
.nav-item.disabled{
  opacity:.4;cursor:not-allowed;pointer-events:none;
}
.nav-item .nav-badge{
  font-size:10px;background:rgba(232,89,12,.3);color:var(--accent);
  padding:2px 8px;border-radius:999px;margin-left:auto;font-weight:600;
}
.sidebar-footer{
  padding:16px 20px;border-top:1px solid rgba(255,255,255,.08);flex-shrink:0;
}
.sidebar-footer .service-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:40px;background:rgba(255,255,255,.08);
  border-radius:10px;color:#A8C5B5;font-size:13px;font-weight:600;
  transition:var(--transition);
}
.sidebar-footer .service-btn:hover{background:rgba(255,255,255,.15);color:#fff}
.sidebar-footer p{
  font-size:11px;color:rgba(255,255,255,.3);text-align:center;
  margin-top:12px;letter-spacing:.5px;
}

/* ====== Main Wrapper ====== */
.main-wrapper{margin-left:var(--sidebar-width);transition:margin .3s ease;padding-top:var(--notice-height)}
main{min-height:calc(100vh - var(--notice-height))}

/* ====== Hero ====== */
.hero{
  position:relative;background:linear-gradient(135deg,#1A3A28 0%,#1E5C3B 60%,#2F7A54 100%);
  overflow:hidden;padding:72px 0 88px;
}
.hero::before{
  content:'';position:absolute;top:0;right:0;bottom:0;width:38%;
  background:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:32px 32px;
  transform:skewX(-3deg);transform-origin:top right;
}
.hero-container{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:56px;position:relative;z-index:2}
.hero-left{flex:1 1 55%}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(232,89,12,.2);border:1px solid rgba(232,89,12,.4);
  color:#FFB08A;font-size:12px;font-weight:600;padding:6px 16px;
  border-radius:999px;letter-spacing:1px;margin-bottom:24px;
}
.hero-badge i{font-size:12px}
.hero h1{
  font-size:42px;font-weight:800;line-height:1.25;color:#fff;
  letter-spacing:1px;margin-bottom:20px;
}
.hero h1 .accent-line{color:#FFB08A;position:relative}
.hero-sub{
  font-size:16px;line-height:1.75;color:#A8C5B5;
  margin-bottom:32px;max-width:520px;
}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--accent);color:#fff;font-size:15px;font-weight:700;
  padding:14px 32px;border-radius:10px;transition:var(--transition);
  box-shadow:0 4px 16px rgba(232,89,12,.3);
}
.btn-primary:hover{
  background:var(--accent-dark);transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(232,89,12,.4);
}
.btn-primary i{font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;
  color:#A8C5B5;font-size:14px;font-weight:500;padding:12px 8px;
  transition:var(--transition);
}
.btn-link:hover{color:#fff}
.btn-link i{font-size:12px;transition:transform .25s}
.btn-link:hover i{transform:translateX(4px)}
.hero-right{flex:1 1 45%;position:relative}
.hero-image-wrap{
  position:relative;border-radius:var(--radius);
  overflow:hidden;box-shadow:0 16px 40px rgba(0,0,0,.3);
}
.hero-image-wrap::before{
  content:'';position:absolute;top:16px;right:-16px;width:100%;height:100%;
  border:4px solid var(--accent);border-radius:var(--radius);z-index:-1;
  background:transparent;
}
.hero-image-wrap img{
  width:100%;height:340px;object-fit:cover;border-radius:var(--radius);
}
.hero-stats{
  display:flex;gap:24px;margin-top:28px;flex-wrap:wrap;
  background:rgba(255,255,255,.08);border-radius:12px;
  padding:16px 20px;backdrop-filter:blur(4px);
}
.hero-stats .stat-item{flex:1;min-width:90px}
.hero-stats .stat-num{
  font-size:24px;font-weight:800;color:#fff;line-height:1.2;
}
.hero-stats .stat-label{
  font-size:12px;color:#A8C5B5;margin-top:2px;
}

/* ====== Quick Entry ====== */
.quick-entry{padding:56px 0 24px}
.quick-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.quick-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;display:flex;flex-direction:column;align-items:flex-start;
  transition:var(--transition);position:relative;overflow:hidden;
}
.quick-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--primary);transition:var(--transition);
}
.quick-card:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:var(--primary-light);
}
.quick-card:nth-child(2)::before{background:var(--accent)}
.quick-card:nth-child(3)::before{background:var(--primary-dark)}
.quick-card:nth-child(4)::before{background:#8A9B90}
.quick-icon{
  width:44px;height:44px;border-radius:10px;background:var(--bg-green-light);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:20px;margin-bottom:16px;
}
.quick-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px}
.quick-card p{font-size:13px;color:var(--text-secondary);line-height:1.5}
.quick-card .quick-link{
  margin-top:14px;font-size:13px;color:var(--accent);font-weight:600;
  display:inline-flex;align-items:center;gap:4px;
}
.quick-card .quick-link i{font-size:11px;transition:transform .25s}
.quick-card:hover .quick-link i{transform:translateX(3px)}

/* ====== Features ====== */
.features{padding:80px 0}
.features-wrap{display:flex;gap:48px;align-items:flex-start}
.features-intro{flex:0 0 33.33%}
.features-intro .section-tag{
  font-size:12px;color:var(--accent);font-weight:700;letter-spacing:3px;
  text-transform:uppercase;margin-bottom:12px;display:block;
}
.section-title{font-size:32px;font-weight:800;color:var(--text);line-height:1.3;margin-bottom:16px;letter-spacing:.5px}
.features-intro p{
  font-size:15px;line-height:1.8;color:var(--text-secondary);
  margin-bottom:24px;
}
.features-grid{flex:0 0 66.67%;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.feature-card{
  background:#fff;border-radius:var(--radius);border:1px solid var(--border);
  padding:28px;display:flex;flex-direction:column;
  transition:var(--transition);position:relative;
  border-top:4px solid var(--primary);
}
.feature-card:nth-child(2){border-top-color:var(--accent)}
.feature-card:nth-child(3){border-top-color:var(--primary-dark)}
.feature-card:nth-child(4){border-top-color:#8A9B90}
.feature-card:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-4px);
  border-top-color:var(--accent);
}
.feature-icon{
  width:48px;height:48px;border-radius:12px;background:var(--bg-green-light);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:22px;margin-bottom:18px;
}
.feature-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:10px}
.feature-card p{font-size:13px;color:var(--text-secondary);line-height:1.65}

/* ====== Scenarios ====== */
.scenarios{
  background:var(--primary-dark);padding:80px 0;position:relative;overflow:hidden;
}
.scenarios::after{
  content:'';position:absolute;bottom:-40px;right:-40px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(255,255,255,.03) 0%,transparent 70%);
}
.scenarios .section-title{color:#fff;text-align:center}
.scenarios .section-sub{
  color:#A8C5B5;text-align:center;font-size:14px;
  max-width:560px;margin:0 auto 56px;line-height:1.8;
}
.steps-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
  max-width:1080px;margin:0 auto;position:relative;z-index:2;
}
.step-item{text-align:center;position:relative}
.step-num{
  font-size:72px;font-weight:800;color:var(--accent);line-height:1;
  margin-bottom:16px;opacity:.9;
}
.step-item h4{
  font-size:18px;font-weight:700;color:#fff;margin-bottom:10px;
}
.step-item p{font-size:13px;color:#A8C5B5;line-height:1.6}
.step-arrow{
  position:absolute;top:36px;right:-28px;color:rgba(255,255,255,.2);
  font-size:18px;display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;
}
.scenario-tabs{
  display:flex;justify-content:center;gap:12px;margin-top:56px;flex-wrap:wrap;
}
.scenario-tab{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
  color:#A8C5B5;font-size:14px;font-weight:600;
  padding:10px 28px;border-radius:999px;transition:var(--transition);
}
.scenario-tab:hover{background:rgba(255,255,255,.15);color:#fff}
.scenario-tab.active{
  background:var(--accent);border-color:var(--accent);color:#fff;
}

/* ====== Cases ====== */
.cases{padding:80px 0}
.cases-wrap{display:flex;gap:40px;align-items:stretch}
.cases-metrics{flex:0 0 38%;display:flex;flex-direction:column;gap:20px}
.metric-card{
  background:#fff;border-radius:var(--radius);border:1px solid var(--border);
  padding:32px 28px;display:flex;flex-direction:column;align-items:center;
  justify-content:center;text-align:center;transition:var(--transition);
}
.metric-card:hover{box-shadow:var(--shadow-hover)}
.metric-num{
  font-size:40px;font-weight:800;color:var(--accent);line-height:1.2;
}
.metric-label{font-size:14px;color:var(--text-secondary);margin-top:8px}
.case-main{
  flex:1;background:#fff;border-radius:var(--radius);
  border:1px solid var(--border);overflow:hidden;
  display:flex;flex-direction:column;transition:var(--transition);
}
.case-main:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.case-main img{width:100%;height:220px;object-fit:cover}
.case-body{padding:28px}
.case-body h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:12px}
.case-body p{
  font-size:14px;color:var(--text-secondary);line-height:1.75;
  margin-bottom:20px;
}
.case-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--accent);font-size:14px;font-weight:700;
  transition:var(--transition);
}
.case-link:hover{color:var(--accent-dark)}
.case-link i{font-size:12px;transition:transform .25s}
.case-link:hover i{transform:translateX(4px)}

/* ====== News ====== */
.news-section{padding:80px 0 40px;background:#fff}
.news-header{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:40px;gap:24px;flex-wrap:wrap;
}
.news-list{display:flex;flex-direction:column;gap:16px;max-width:960px;margin:0 auto}
.news-item{
  display:flex;align-items:center;gap:20px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;transition:var(--transition);
}
.news-item:hover{
  border-color:var(--accent);box-shadow:var(--shadow-hover);
  transform:translateX(4px);
}
.news-thumb{
  width:76px;height:76px;border-radius:12px;overflow:hidden;flex-shrink:0;
  background:var(--bg-green-light);
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{flex:1;min-width:0}
.news-body h3{
  font-size:18px;font-weight:700;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  margin-bottom:6px;transition:var(--transition);
}
.news-item:hover .news-body h3{color:var(--primary)}
.news-body p{
  font-size:14px;color:var(--text-secondary);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;margin-bottom:8px;
}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.badge{
  display:inline-block;font-size:12px;font-weight:600;
  background:var(--bg-green-light);color:var(--primary);
  padding:4px 12px;border-radius:999px;
}
.news-meta .time{font-size:12px;color:var(--text-secondary)}
.news-arrow{
  width:36px;height:36px;border-radius:50%;background:var(--bg-green-light);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:14px;flex-shrink:0;
  transition:var(--transition);
}
.news-item:hover .news-arrow{
  background:var(--accent);color:#fff;
}
.empty-state{
  text-align:center;padding:64px 20px;color:var(--text-secondary);
  font-size:15px;background:var(--bg-green-light);
  border-radius:var(--radius);border:1px dashed var(--primary-light);
}

/* ====== Pricing ====== */
.pricing{padding:80px 0}
.pricing-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  align-items:start;max-width:1080px;margin:0 auto;
}
.price-card{
  background:#fff;border-radius:var(--radius);border:1px solid var(--border);
  padding:36px 32px;display:flex;flex-direction:column;
  transition:var(--transition);position:relative;
}
.price-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.price-card.recommended{
  border:2px solid var(--accent);box-shadow:0 8px 32px rgba(232,89,12,.12);
  transform:translateY(-8px);
}
.price-card.recommended:hover{transform:translateY(-12px)}
.recommend-badge{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;
  padding:4px 16px;border-radius:999px;white-space:nowrap;
}
.price-card .plan-name{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px}
.price-card .plan-desc{font-size:13px;color:var(--text-secondary);margin-bottom:20px}
.price-card .price{
  font-size:36px;font-weight:800;color:var(--text);line-height:1;
  margin-bottom:24px;
}
.price-card .price span{
  font-size:14px;font-weight:400;color:var(--text-secondary);margin-left:4px;
}
.price-list{flex:1;display:flex;flex-direction:column;gap:10px;margin-bottom:28px}
.price-list li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--text);
}
.price-list li i{color:var(--success);font-size:13px;flex-shrink:0}
.price-btn{
  display:block;width:100%;text-align:center;
  background:var(--bg-green-light);color:var(--primary);
  font-size:14px;font-weight:700;padding:12px 20px;
  border-radius:10px;transition:var(--transition);
}
.price-btn:hover{background:var(--primary);color:#fff}
.price-btn.solid{background:var(--accent);color:#fff}
.price-btn.solid:hover{background:var(--accent-dark)}

/* ====== FAQ ====== */
.faq-section{padding:80px 0;background:#fff}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:0}
.faq-item{
  border-bottom:1px solid var(--border);background:transparent;
  transition:var(--transition);position:relative;
}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-item:last-child{border-bottom:1px solid var(--border)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 0;cursor:pointer;transition:var(--transition);
  font-size:16px;font-weight:600;color:var(--text);
  width:100%;text-align:left;
}
.faq-question:hover{color:var(--primary)}
.faq-question .faq-icon{
  width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:12px;transition:var(--transition);
  flex-shrink:0;background:var(--bg-green-light);
}
.faq-item.active .faq-question .faq-icon{
  background:var(--accent);color:#fff;transform:rotate(45deg);
}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-item.active .faq-answer{max-height:400px}
.faq-answer-inner{
  padding:0 0 20px;font-size:14px;line-height:1.8;
  color:var(--text-secondary);border-left:3px solid var(--accent);
  padding-left:16px;margin-left:0;
}

/* ====== CTA ====== */
.cta-section{padding:56px 0 80px}
.cta-box{
  background:var(--bg-orange-light);border:1px solid rgba(232,89,12,.25);
  border-radius:var(--radius-lg);padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;position:relative;overflow:hidden;
}
.cta-box::after{
  content:'';position:absolute;top:0;right:0;width:220px;height:220px;
  background:linear-gradient(rgba(232,89,12,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(232,89,12,.06) 1px,transparent 1px);
  background-size:24px 24px;border-radius:50%;
  transform:translate(40%,-40%);
}
.cta-box h2{
  font-size:24px;font-weight:800;color:var(--text);
  margin-bottom:8px;letter-spacing:.5px;
}
.cta-box p{font-size:14px;color:var(--text-secondary)}
.cta-btn{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--accent);color:#fff;font-size:15px;font-weight:700;
  padding:14px 36px;border-radius:10px;transition:var(--transition);
  box-shadow:0 4px 16px rgba(232,89,12,.3);
}
.cta-btn:hover{
  background:var(--accent-dark);transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(232,89,12,.4);
}

/* ====== Footer ====== */
.site-footer{
  background:var(--primary-dark);color:#E5E7E8;
  padding:56px 0 24px;margin-left:0;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;
  max-width:1200px;margin:0 auto;padding:0 24px;
}
.footer-logo{
  font-size:22px;font-weight:800;color:#fff;margin-bottom:14px;
  display:flex;align-items:center;gap:10px;
}
.footer-logo .logo-dot-org{
  width:12px;height:12px;border-radius:50%;background:var(--accent);
  display:inline-block;
}
.footer-intro{
  font-size:13px;color:#A8C5B5;line-height:1.8;
  margin-top:12px;
}
.footer-title{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;
  letter-spacing:1px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:13px;color:#A8C5B5;transition:var(--transition);
  display:inline-flex;align-items:center;gap:6px;
}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-links a i{font-size:10px}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13px;color:#A8C5B5}
.footer-contact i{color:var(--accent);margin-right:6px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:20px;margin-top:48px;
  text-align:center;font-size:12px;color:rgba(255,255,255,.35);
  letter-spacing:.5px;
}

/* ====== Foundation override ====== */
.button{
  font-family:var(--font-stack);border-radius:10px;
  transition:var(--transition);font-weight:700;
}
.button:hover{transform:translateY(-2px)}
.accordion{border:none;border-radius:0;background:transparent}
.accordion-title{
  border:none;background:transparent;padding:0;
}
.accordion-title:hover,.accordion-title:focus{background:transparent;color:var(--primary)}
.accordion-item{border:none;background:transparent}
.accordion-item .accordion-title,.accordion-item.is-active .accordion-title{
  border:none;background:transparent;color:var(--text);
}
.accordion-content{border:none;background:transparent;color:var(--text-secondary)}

/* ====== Responsive ====== */
@media screen and (max-width:1024px){
  .sidebar{width:var(--sidebar-width-tablet)}
  .sidebar-logo{padding:0;justify-content:center}
  .sidebar-logo .logo-text{display:none}
  .sidebar-nav{padding:14px 10px}
  .nav-item{padding:0 12px;gap:0;justify-content:center}
  .nav-item span,.nav-group-title,.nav-item .nav-badge{display:none}
  .nav-item i{font-size:18px;margin:0}
  .nav-item.active{border-left-color:var(--accent)}
  .sidebar-footer{padding:12px 10px}
  .sidebar-footer .service-btn span{display:none}
  .sidebar-footer p{font-size:10px}
  .main-wrapper{margin-left:var(--sidebar-width-tablet)}
  .hero{padding:56px 0 64px}
  .hero h1{font-size:36px}
  .features-wrap{flex-direction:column;gap:32px}
  .features-intro{flex:none}
  .features-grid{flex:none}
  .steps-row{grid-template-columns:repeat(2,1fr);gap:40px 24px}
  .step-arrow{display:none}
  .cases-wrap{flex-direction:column}
  .cases-metrics{flex:none;flex-direction:row}
  .metric-card{flex:1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media screen and (max-width:768px){
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .pricing-grid{grid-template-columns:1fr;gap:32px}
  .price-card.recommended{transform:none}
  .price-card.recommended:hover{transform:translateY(-4px)}
  .hero-container{flex-direction:column;gap:32px}
  .hero-right{width:100%}
  .hero-image-wrap img{height:240px}
  .hero-stats{flex-wrap:wrap}
  .hero-stats .stat-item{flex:1 1 40%;min-width:120px}
}

@media screen and (max-width:640px){
  .sidebar{display:none}
  .main-wrapper{margin-left:0}
  .mobile-topbar{display:flex}
  .top-notice span{font-size:11px}
  .top-notice .notice-close{display:none}
  .quick-grid{grid-template-columns:1fr 1fr;gap:12px}
  .quick-card{padding:20px 16px}
  .quick-card p{font-size:12px}
  .quick-icon{width:36px;height:36px;font-size:16px}
  .section-title{font-size:24px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:14px}
  .hero{padding:40px 0 48px}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .features{padding:56px 0}
  .features-grid{grid-template-columns:1fr}
  .scenarios{padding:56px 0}
  .steps-row{grid-template-columns:1fr;gap:32px}
  .cases{padding:56px 0}
  .cases-metrics{flex-direction:column}
  .metric-num{font-size:32px}
  .news-section{padding:56px 0 32px}
  .news-item{padding:16px;gap:14px}
  .news-thumb{width:64px;height:64px}
  .news-body h3{font-size:16px}
  .news-body p{font-size:12px}
  .news-arrow{display:none}
  .pricing{padding:56px 0}
  .cta-section{padding:40px 0 56px}
  .cta-box{padding:32px 24px;flex-direction:column;text-align:center}
  .cta-btn{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .faq-section{padding:56px 0}
  .faq-question{font-size:15px}
}

/* roulang page: article */
:root {
  --primary: #1E5C3B;
  --stage: #14261C;
  --primary-light: #2F7A54;
  --accent: #E8590C;
  --accent-dark: #C44A09;
  --success: #2E7D32;
  --warning: #C62828;
  --info: #1565C0;
  --bg: #F6F7F4;
  --text: #1A1D1B;
  --text-secondary: #6B7280;
  --border: #E5E7E8;
  --green-light: #E3EFE8;
  --orange-light: #FEF3EC;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 2px 8px rgba(20, 38, 28, 0.06);
  --shadow-hover: 0 10px 28px rgba(20, 38, 28, 0.12);
  --transition: all 0.25s ease;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --container: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

img {
  max-width: 100%;
  display: block;
  border-radius: 12px;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

ul,
ol {
  list-style: none;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
}

input,
textarea,
select {
  font-family: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===================== App Shell ===================== */
.app-shell {
  min-height: 100vh;
}

.site-nav {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 240px;
  background: var(--stage);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: width 0.25s ease;
}

.main-wrap {
  margin-left: 240px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===================== 侧边导航 Logo ===================== */
.nav-logo {
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.logo-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(232, 89, 12, 0.15);
}

.logo-text {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  white-space: nowrap;
}

/* ===================== 侧边导航菜单 ===================== */
.site-nav nav {
  padding: 14px 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.site-nav nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 40px;
  padding: 0 20px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  font-weight: 500;
  position: relative;
  border-radius: 0;
  transition: var(--transition);
  white-space: nowrap;
}

.site-nav nav a i {
  width: 20px;
  text-align: center;
  font-size: 15px;
  flex-shrink: 0;
}

.site-nav nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.site-nav nav a.active {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-weight: 600;
}

.site-nav nav a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent);
  border-radius: 0 4px 4px 0;
}

.site-nav nav a.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.drawer-divider {
  border-color: rgba(255, 255, 255, 0.08);
  margin: 10px 20px;
}

/* ===================== 侧边导航底部 ===================== */
.nav-bottom {
  padding: 16px 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.nav-support {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-support i {
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.nav-support:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.nav-copyright {
  display: block;
  margin-top: 10px;
  padding-left: 10px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
  white-space: nowrap;
}

/* ===================== 主内容区 ===================== */
.site-main {
  flex: 1;
  padding: 0 36px 60px;
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
}

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

/* ===================== 面包屑 ===================== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 36px 0 0;
}

.breadcrumb a {
  color: var(--primary);
  font-weight: 500;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb .sep {
  color: #adb5bd;
  font-size: 12px;
}

.breadcrumb .current {
  color: var(--text-secondary);
  max-width: 300px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===================== 文章头 ===================== */
.article-header {
  max-width: 780px;
  margin: 28px auto 0;
}

.article-header h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.5px;
  color: var(--text);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 18px;
  font-size: 14px;
  color: var(--text-secondary);
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta i {
  font-size: 13px;
  opacity: 0.8;
}

.category-badge {
  background: var(--green-light);
  color: var(--primary);
  font-weight: 600;
  padding: 3px 14px;
  border-radius: 999px;
  font-size: 12px;
  display: inline-block;
}

.dot-sep {
  opacity: 0.5;
  font-size: 12px;
}

/* ===================== 正文 ===================== */
.article-body {
  max-width: 780px;
  margin: 40px auto 0;
  min-height: 320px;
}

.article-body p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 24px;
  color: #2a2e2c;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  margin: 32px 0 16px;
  color: var(--text);
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin: 28px 0 12px;
  color: var(--text);
}

.article-body h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 10px;
}

.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: var(--green-light);
  padding: 16px 20px;
  margin: 28px 0;
  border-radius: 0 10px 10px 0;
  color: #2a3d32;
  font-size: 15px;
  line-height: 1.8;
}

.article-body ul,
.article-body ol {
  margin: 0 0 24px 24px;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: 8px;
  line-height: 1.8;
  font-size: 16px;
  color: #2a2e2c;
}

.article-body img {
  border-radius: var(--radius);
  margin: 28px 0;
  width: 100%;
  height: auto;
  background: var(--green-light);
}

.article-body a {
  color: var(--primary);
  font-weight: 500;
}

.article-body a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.article-body code {
  background: #eef1ee;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.article-body pre {
  background: var(--stage);
  color: #d1e0d6;
  padding: 20px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 28px 0;
  font-size: 14px;
  line-height: 1.7;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14px;
}

.article-body table th,
.article-body table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}

.article-body table th {
  background: var(--green-light);
  font-weight: 600;
}

.article-body hr {
  margin: 32px 0;
  border-color: var(--border);
}

.article-empty {
  text-align: center;
  padding: 70px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.article-empty i {
  font-size: 46px;
  color: #c3ccc4;
  margin-bottom: 16px;
}

.article-empty p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ===================== 标签与分享 ===================== */
.article-tags-share {
  max-width: 780px;
  margin: 40px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  background: var(--green-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  transition: var(--transition);
}

.tag-badge:hover {
  background: var(--primary);
  color: #fff;
}

.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
}

.share-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-right: 2px;
}

.share-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #f0f2ef;
  color: var(--text-secondary);
  font-size: 15px;
  transition: var(--transition);
}

.share-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(20, 38, 28, 0.15);
}

.share-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

/* ===================== 相关推荐 ===================== */
.related-posts {
  max-width: 900px;
  margin: 56px auto 0;
}

.related-posts .section-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.related-posts .section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.related-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.related-card {
  display: flex;
  gap: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.related-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.related-thumb {
  width: 140px;
  flex-shrink: 0;
  background: var(--green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 88px;
  overflow: hidden;
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.related-card-body {
  padding: 14px 20px 14px 18px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}

.related-card-body h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.related-card-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===================== 返回入口 ===================== */
.article-back {
  max-width: 900px;
  margin: 36px auto 0;
}

.article-back a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition);
}

.article-back a:hover {
  color: var(--accent);
  gap: 12px;
}

/* ===================== 文章底部 CTA ===================== */
.article-cta {
  max-width: 900px;
  margin: 56px auto 0;
  background: var(--orange-light);
  border: 1px solid rgba(232, 89, 12, 0.2);
  border-radius: var(--radius);
  padding: 32px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.article-cta h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 6px;
}

.article-cta p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===================== 按钮 ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  line-height: 1;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(232, 89, 12, 0.25);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: rgba(30, 92, 59, 0.08);
  color: var(--primary);
}

.btn-lg {
  height: 50px;
  padding: 0 32px;
  font-size: 15px;
}

/* ===================== 页脚 ===================== */
.site-footer {
  background: var(--stage);
  color: #e5e7e8;
  padding: 56px 36px 24px;
  margin-top: 80px;
  flex-shrink: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  max-width: var(--container);
  margin: 0 auto;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
}

.logo-dot-org {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  box-shadow: 0 0 0 4px rgba(232, 89, 12, 0.15);
}

.footer-intro {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 14px;
  max-width: 280px;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.footer-links a i {
  font-size: 10px;
  opacity: 0.6;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-links .disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-contact span i {
  width: 18px;
  margin-right: 4px;
  color: var(--accent);
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
}

/* ===================== 平板断点 641-1024 ===================== */
@media (min-width: 641px) and (max-width: 1024px) {
  .site-nav {
    width: 72px;
  }

  .site-nav nav {
    padding: 10px 0;
    align-items: center;
  }

  .site-nav nav a {
    justify-content: center;
    padding: 0;
    width: 72px;
  }

  .site-nav nav a i {
    width: auto;
  }

  .site-nav nav a.active::before {
    left: 0;
  }

  .nav-logo {
    justify-content: center;
    padding: 0;
  }

  .logo-text,
  .nav-support span,
  .nav-copyright {
    display: none;
  }

  .nav-support {
    justify-content: center;
    padding: 8px 0;
  }

  .main-wrap {
    margin-left: 72px;
  }

  .site-main {
    padding: 0 24px 50px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

/* ===================== 移动断点 ≤640 ===================== */
@media (max-width: 640px) {
  .site-nav {
    display: none;
  }

  .main-wrap {
    margin-left: 0;
  }

  .mobile-topbar {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--stage);
    z-index: 200;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px 0 8px;
    box-shadow: 0 2px 10px rgba(20, 38, 28, 0.3);
  }

  .drawer-btn {
    color: #fff;
    font-size: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
  }

  .drawer-btn:hover {
    background: rgba(255, 255, 255, 0.08);
  }

  .mobile-logo {
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 1px;
  }

  .mobile-entry {
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 7px 16px;
    border-radius: 8px;
    transition: var(--transition);
  }

  .mobile-entry:hover {
    background: var(--accent-dark);
  }

  .drawer-mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(20, 38, 28, 0.94);
    z-index: 180;
    padding: 24px;
    flex-direction: column;
  }

  .drawer-mask.open {
    display: flex;
  }

  .drawer-mask .drawer-close {
    position: absolute;
    top: 10px;
    right: 12px;
    color: #fff;
    font-size: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
  }

  .drawer-mask .drawer-close:hover {
    background: rgba(255, 255, 255, 0.08);
  }

  .drawer-mask nav {
    display: flex;
    flex-direction: column;
    margin-top: 64px;
    gap: 4px;
  }

  .drawer-mask nav a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    line-height: 2.4;
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 4px 8px;
    border-radius: 8px;
  }

  .drawer-mask nav a i {
    width: 20px;
    text-align: center;
  }

  .drawer-mask nav a.active {
    color: #fff;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.08);
    border-left: 3px solid var(--accent);
    padding-left: 10px;
  }

  .drawer-mask nav a.disabled {
    opacity: 0.4;
    pointer-events: none;
  }

  .drawer-mask .drawer-divider {
    border-color: rgba(255, 255, 255, 0.12);
    margin: 12px 8px;
  }

  .site-main {
    padding: 70px 20px 48px;
  }

  .breadcrumb {
    padding: 20px 0 0;
    font-size: 13px;
    gap: 6px;
  }

  .breadcrumb .current {
    max-width: 180px;
  }

  .article-header {
    margin-top: 20px;
  }

  .article-header h1 {
    font-size: 28px;
  }

  .article-meta {
    gap: 8px 14px;
    font-size: 13px;
    margin-top: 14px;
  }

  .article-body {
    margin-top: 28px;
  }

  .article-body p,
  .article-body li {
    font-size: 15px;
  }

  .article-body h2 {
    font-size: 21px;
  }

  .article-body h3 {
    font-size: 18px;
  }

  .related-thumb {
    width: 100%;
    height: 90px;
  }

  .related-card {
    flex-direction: column;
  }

  .related-card-body {
    padding: 12px 16px 14px;
  }

  .article-cta {
    padding: 24px 20px;
    margin-top: 40px;
  }

  .article-cta h3 {
    font-size: 18px;
  }

  .article-tags-share {
    margin-top: 28px;
  }

  .site-footer {
    padding: 44px 20px 20px;
    margin-top: 56px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    margin-top: 28px;
  }
}

/* ===================== 辅助样式 ===================== */
.section-divider {
  border: 0;
  border-top: 1px solid var(--border);
  max-width: var(--container);
  margin: 60px auto;
}

.text-center {
  text-align: center;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }

/* roulang page: category1 */
:root {
  --primary: #1E5C3B;
  --dark: #14261C;
  --accent: #E8590C;
  --accent-hover: #C44A09;
  --bg: #F6F7F4;
  --text: #1A1D1B;
  --muted: #6B7280;
  --border: #E5E7E8;
  --light-green: #E3EFE8;
  --light-orange: #FEF3EC;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 2px 8px rgba(20,38,28,0.06);
  --shadow-hover: 0 10px 28px rgba(20,38,28,0.12);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; }
input, textarea { font-family: inherit; }
.container-custom { max-width: 1200px; margin: 0 auto; padding: 0 30px; }

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s ease;
  box-shadow: 0 2px 8px rgba(232,89,12,0.15);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(232,89,12,0.22);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(232,89,12,0.18); }
.btn-primary:focus-visible { outline: 3px solid rgba(232,89,12,0.35); outline-offset: 2px; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s ease;
}
.btn-outline:hover {
  background: var(--light-green);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-outline-white {
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}
.btn-outline-white:hover { background: rgba(255,255,255,0.12); color: #fff; }

/* ===== 左侧导航 ===== */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: 240px;
  height: 100vh;
  background: var(--dark);
  color: #fff;
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.brand {
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}
.brand-dot {
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(232,89,12,0.2);
}
.brand-name { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: 1px; }
.sidebar-nav {
  flex: 1;
  padding: 16px 12px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-label {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 14px 12px 6px;
  font-weight: 600;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 42px;
  padding: 0 12px;
  border-radius: 8px;
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  text-decoration: none;
  transition: all .2s ease;
  position: relative;
}
.sidebar-nav a i { width: 20px; text-align: center; font-size: 15px; flex-shrink: 0; }
.sidebar-nav a:hover { background: rgba(255,255,255,0.10); color: #fff; }
.sidebar-nav a.active { background: rgba(255,255,255,0.12); color: #fff; font-weight: 600; }
.sidebar-nav a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--accent);
  border-radius: 0 4px 4px 0;
}
.sidebar-nav a.disabled { opacity: 0.42; cursor: not-allowed; pointer-events: none; }
.drawer-divider { border: none; border-top: 1px solid rgba(255,255,255,0.08); margin: 14px 12px; }
.sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,0.08); flex-shrink: 0; }
.sidebar-support {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.06);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 10px;
  cursor: pointer;
  transition: background .2s ease;
}
.sidebar-support:hover { background: rgba(255,255,255,0.12); }
.sidebar-support i { color: var(--accent); }
.sidebar-copy { font-size: 11px; color: rgba(255,255,255,0.3); text-align: center; padding-bottom: 4px; }

/* ===== 主内容 ===== */
.main-content { margin-left: 240px; min-height: 100vh; display: flex; flex-direction: column; }
.page-content { flex: 1; }

/* ===== 移动端顶部栏 ===== */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--dark);
  z-index: 200;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}
.mobile-menu-btn {
  background: none;
  border: none;
  color: #fff;
  font-size: 20px;
  padding: 10px;
  cursor: pointer;
  border-radius: 8px;
  transition: background .2s ease;
}
.mobile-menu-btn:hover { background: rgba(255,255,255,0.1); }
.mobile-brand { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 800; font-size: 18px; }
.mobile-entry-btn {
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  text-decoration: none;
  transition: all .2s ease;
}
.mobile-entry-btn:hover { background: var(--accent-hover); color: #fff; }

/* ===== 移动端抽屉 ===== */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: -300px;
  width: 290px;
  height: 100vh;
  background: var(--dark);
  z-index: 320;
  transition: left .32s ease;
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
}
.mobile-drawer.open { left: 0; }
.drawer-header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 12px;
}
.drawer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 18px; }
.drawer-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 20px;
  padding: 8px;
  cursor: pointer;
  border-radius: 8px;
}
.drawer-close:hover { color: #fff; background: rgba(255,255,255,0.1); }
.mobile-drawer .sidebar-nav { padding: 8px 0; }
.mobile-drawer .sidebar-nav a { font-size: 16px; height: 48px; }
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20,38,28,0.55);
  z-index: 310;
  opacity: 0;
  visibility: hidden;
  transition: all .3s ease;
  backdrop-filter: blur(2px);
}
.mobile-drawer-overlay.open { opacity: 1; visibility: visible; }

/* ===== 分类页 Hero ===== */
.category-hero {
  position: relative;
  background: var(--dark);
  padding: 72px 0 68px;
  color: #fff;
  overflow: hidden;
}
.category-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 56%;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity: 0.32;
}
.category-hero::after {
  content: '';
  position: absolute;
  right: 0; bottom: 0;
  width: 340px; height: 160px;
  background-image: radial-gradient(rgba(255,255,255,0.16) 1px, transparent 1px);
  background-size: 16px 16px;
  -webkit-mask-image: linear-gradient(to left, black, transparent);
  mask-image: linear-gradient(to left, black, transparent);
}
.breadcrumb {
  position: relative;
  z-index: 2;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb a { color: rgba(255,255,255,0.78); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: 0.4; }
.breadcrumb span { color: rgba(255,255,255,0.55); }
.hero-inner { position: relative; z-index: 2; max-width: 760px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}
.hero-badge i { color: var(--accent); }
.category-hero h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.category-hero .hero-sub {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  max-width: 620px;
}
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

/* ===== 通用区块标题 ===== */
.section-block { padding: 72px 0; }
.section-block-alt { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title-wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.section-title { font-size: 30px; font-weight: 800; color: var(--dark); margin: 0; line-height: 1.3; }
.section-title span { color: var(--accent); }
.section-en { font-size: 13px; color: var(--muted); letter-spacing: 2px; text-transform: uppercase; font-weight: 600; }

/* ===== 分类描述区 ===== */
.cat-desc-wrap { max-width: 720px; }
.cat-desc-wrap p {
  font-size: 16px;
  line-height: 1.8;
  color: #4a5550;
  margin-bottom: 16px;
}
.cat-desc-highlight {
  border-left: 3px solid var(--accent);
  background: var(--light-green);
  border-radius: 0 12px 12px 0;
  padding: 16px 20px;
  font-weight: 500;
  color: var(--primary);
}

/* ===== 一横两纵 ===== */
.featured-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: start;
}
.featured-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .3s ease;
  display: block;
  text-decoration: none;
  background: var(--light-green);
}
.featured-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.featured-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.featured-card-overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 28px 24px 20px;
  background: linear-gradient(to top, rgba(20,38,28,0.92) 0%, rgba(20,38,28,0.5) 50%, rgba(20,38,28,0.05) 100%);
  color: #fff;
}
.featured-card-tag { display: inline-block; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 999px; margin-bottom: 8px; }
.featured-card-title { font-size: 22px; font-weight: 700; line-height: 1.4; margin-bottom: 6px; }
.featured-card-desc { font-size: 14px; color: rgba(255,255,255,0.8); line-height: 1.6; }
.featured-left { aspect-ratio: 16 / 9; }
.featured-right { display: flex; flex-direction: column; gap: 24px; }
.featured-right-card { height: 238px; }

/* ===== 三枚文本卡 ===== */
.text-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.text-card {
  background: #fff;
  border: 1.5px solid var(--primary);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.text-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--primary);
  transition: background .3s ease;
}
.text-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: var(--accent); }
.text-card:hover::before { background: var(--accent); }
.text-card-icon {
  width: 48px; height: 48px;
  background: var(--light-green);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 16px;
}
.text-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--dark); }
.text-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }

/* ===== 热门赛事热度榜 ===== */
.hot-section {
  background: var(--dark);
  color: #fff;
}
.hot-section .section-title { color: #fff; }
.hot-section .section-en { color: rgba(255,255,255,0.4); }
.hot-list {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 20px 28px;
}
.hot-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.hot-item:last-child { border-bottom: none; }
.hot-rank { font-size: 24px; font-weight: 800; color: var(--accent); width: 40px; flex-shrink: 0; font-style: italic; }
.hot-color { font-size: 14px; font-weight: 600; color: rgba(255,255,255,0.55); width: 90px; flex-shrink: 0; letter-spacing: 1px; }
.hot-name { font-size: 16px; font-weight: 700; width: 160px; flex-shrink: 0; }
.hot-bar { flex: 1; height: 8px; background: rgba(255,255,255,0.1); border-radius: 999px; overflow: hidden; }
.hot-bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 999px; transition: width 1s ease; }
.hot-value { font-size: 14px; font-weight: 700; color: var(--accent); width: 44px; text-align: right; flex-shrink: 0; }
.hot-note { font-size: 13px; color: rgba(255,255,255,0.4); margin-top: 18px; text-align: center; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-list .accordion-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .25s ease, border-color .25s ease;
}
.faq-list .accordion-item:hover { border-color: rgba(30,92,59,0.4); }
.faq-list .accordion-item.is-active { border-color: rgba(232,89,12,0.4); box-shadow: var(--shadow); }
.faq-list .accordion-title {
  background: #fff;
  border: none;
  padding: 20px 52px 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  position: relative;
  display: block;
  cursor: pointer;
  transition: color .2s ease;
  line-height: 1.4;
}
.faq-list .accordion-title:hover { color: var(--primary); }
.faq-list .accordion-title::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: 22px; top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  transition: transform .3s ease, color .3s ease;
  font-size: 14px;
}
.faq-list .accordion-item.is-active .accordion-title::after { transform: translateY(-50%) rotate(180deg); color: var(--accent); }
.faq-list .accordion-content {
  background: #fff;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  padding: 0 24px 22px;
  border: none;
}
.faq-list .accordion-content::before {
  content: '';
  display: block;
  height: 1px;
  background: var(--border);
  margin-bottom: 18px;
  width: 100%;
}

/* ===== CTA 区 ===== */
.cta-block { padding: 70px 0 56px; }
.cta-inner {
  background: var(--light-orange);
  border: 1px solid rgba(232,89,12,0.25);
  border-radius: var(--radius);
  padding: 48px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-inner::after {
  content: '';
  position: absolute;
  right: -30px; top: -30px;
  width: 120px; height: 120px;
  border: 2px solid rgba(232,89,12,0.15);
  border-radius: 50%;
}
.cta-left h2 { font-size: 24px; font-weight: 800; color: var(--dark); margin-bottom: 8px; }
.cta-left p { font-size: 15px; color: var(--muted); line-height: 1.7; max-width: 520px; }
.cta-right { position: relative; z-index: 2; flex-shrink: 0; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: #E5E7E8;
  padding: 52px 0 0;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 44px;
}
.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.logo-dot-org {
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(232,89,12,0.18);
}
.footer-intro { font-size: 14px; line-height: 1.7; color: rgba(229,231,232,0.65); max-width: 320px; }
.footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 1px; }
.footer-links { display: flex; flex-direction: column; gap: 11px; }
.footer-links a { color: rgba(229,231,232,0.68); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; transition: color .2s ease, transform .2s ease; }
.footer-links a:hover { color: var(--accent); transform: translateX(3px); }
.footer-links a i { font-size: 10px; }
.footer-contact { display: flex; flex-direction: column; gap: 11px; font-size: 14px; color: rgba(229,231,232,0.68); }
.footer-contact i { margin-right: 8px; color: var(--accent); width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 44px;
  padding: 18px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(229,231,232,0.38);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .sidebar { width: 72px; }
  .brand { justify-content: center; padding: 0; }
  .brand-name { display: none; }
  .nav-label { display: none; }
  .sidebar-nav { padding: 16px 8px; align-items: center; }
  .sidebar-nav a { justify-content: center; padding: 0; width: 48px; }
  .sidebar-nav a span { display: none; }
  .sidebar-nav a i { font-size: 18px; }
  .drawer-divider { width: 40px; margin: 12px auto; }
  .sidebar-footer { padding: 12px 8px; display: flex; flex-direction: column; align-items: center; }
  .sidebar-support { justify-content: center; width: 44px; padding: 10px 0; }
  .sidebar-support span { display: none; }
  .sidebar-copy { display: none; }
  .main-content { margin-left: 72px; }
  .container-custom { padding: 0 24px; }
  .category-hero h1 { font-size: 34px; }
}

@media (max-width: 640px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; padding-top: 56px; }
  .mobile-topbar { display: flex; }
  .container-custom { padding: 0 16px; }
  .category-hero { padding: 48px 0 48px; }
  .category-hero::before { width: 100%; opacity: 0.24; }
  .category-hero h1 { font-size: 30px; }
  .category-hero .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero-actions .btn-primary, .hero-actions .btn-outline { width: 100%; }
  .section-block { padding: 52px 0; }
  .section-title { font-size: 24px; }
  .section-title-wrap { margin-bottom: 24px; }
  .featured-grid { grid-template-columns: 1fr; }
  .featured-left { aspect-ratio: 16 / 10; }
  .featured-right { flex-direction: row; }
  .featured-right-card { height: 180px; flex: 1; }
  .text-cards { grid-template-columns: 1fr; gap: 16px; }
  .hot-item { gap: 12px; flex-wrap: wrap; }
  .hot-name { width: 100px; font-size: 15px; }
  .hot-color { display: none; }
  .hot-rank { font-size: 20px; width: 30px; }
  .hot-value { width: 36px; }
  .hot-list { padding: 12px 18px; }
  .cta-inner { padding: 32px 26px; flex-direction: column; text-align: center; }
  .cta-left p { margin: 0 auto; }
  .cta-right .btn-primary { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 0 24px; }
  .faq-list .accordion-title { font-size: 15px; padding: 18px 44px 18px 18px; }
  .faq-list .accordion-content { padding: 0 18px 18px; }
}

@media (max-width: 520px) {
  .featured-right { flex-direction: column; }
  .featured-right-card { height: 200px; width: 100%; }
  .container-custom { padding: 0 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 0 20px; }
  .footer-bottom p { font-size: 11px; padding: 0 10px; }
  .hot-name { width: 90px; font-size: 14px; }
  .hot-value { width: 32px; font-size: 13px; }
  .text-card { padding: 22px 20px; }
}