:root{
  --primary:#2b6cb0;
  --primary-dark:#1a365d;
  --primary-light:#bee3f8;
  --accent:#f6ad55;
  --accent-dark:#ed8936;
  --text:#2d3748;
  --text-muted:#4a5568;
  --text-light:#718096;
  --text-faint:#a0aec0;
  --bg:#f7fafc;
  --bg-card:#ffffff;
  --bg-subtle:#f7fafc;
  --border:#e2e8f0;
  --border-strong:#cbd5e0;
  --shadow-sm:0 1px 6px rgba(0,0,0,.05);
  --shadow-md:0 2px 10px rgba(0,0,0,.06);
  --shadow-lg:0 8px 30px rgba(0,0,0,.1);
  --glass-bg:rgba(255,255,255,.72);
  --glass-border:rgba(255,255,255,.45);
  --radius-sm:6px;
  --radius:10px;
  --radius-lg:16px;
  --radius-pill:999px;
  --transition-fast:.2s ease;
  --transition:.3s ease;
  --transition-slow:.6s ease;
  --gradient-hero:linear-gradient(135deg,#1a365d 0%,#2b6cb0 55%,#4299e1 100%);
  --gradient-accent:linear-gradient(135deg,#f6ad55,#ed8936);
  --gradient-card:linear-gradient(145deg,rgba(255,255,255,.9),rgba(255,255,255,.65));
}

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

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
}

body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(circle at 15% 0%,rgba(43,108,176,.08) 0%,transparent 45%),
    radial-gradient(circle at 85% 10%,rgba(246,173,85,.07) 0%,transparent 40%);
  background-attachment:fixed;
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition:background-color var(--transition),color var(--transition);
  overflow-x:hidden;
}

a{
  color:var(--primary);
  text-decoration:none;
  transition:color var(--transition-fast),opacity var(--transition-fast);
}

a:hover{
  text-decoration:underline;
  color:var(--primary-dark);
}

img,svg{
  max-width:100%;
  height:auto;
  display:block;
}

::selection{
  background:var(--primary);
  color:#fff;
}

::-webkit-scrollbar{
  width:10px;
  height:10px;
}

::-webkit-scrollbar-track{
  background:var(--bg);
}

::-webkit-scrollbar-thumb{
  background:var(--border-strong);
  border-radius:var(--radius-pill);
  border:2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover{
  background:var(--text-faint);
}

.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 16px;
}

header.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid var(--glass-border);
  box-shadow:0 2px 16px rgba(0,0,0,.06);
  transition:background-color var(--transition),box-shadow var(--transition);
}

.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:18px;
  color:var(--primary-dark);
  white-space:nowrap;
  transition:transform var(--transition-fast),opacity var(--transition-fast);
}

.brand:hover{
  text-decoration:none;
  transform:translateY(-1px);
  opacity:.9;
}

.brand .logo{
  width:40px;
  height:40px;
  flex:0 0 40px;
  border-radius:12px;
  box-shadow:0 4px 12px rgba(43,108,176,.3);
  transition:transform var(--transition),box-shadow var(--transition);
}

.brand:hover .logo{
  transform:rotate(-6deg) scale(1.05);
  box-shadow:0 6px 18px rgba(43,108,176,.45);
}

nav.main-nav ul{
  display:flex;
  gap:20px;
  list-style:none;
}

nav.main-nav a{
  color:var(--text);
  font-size:15px;
  padding:6px 2px;
  border-bottom:2px solid transparent;
  transition:color var(--transition-fast),border-color var(--transition-fast);
  position:relative;
}

nav.main-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-2px;
  width:0;
  height:2px;
  background:var(--gradient-accent);
  border-radius:var(--radius-pill);
  transition:width var(--transition);
}

nav.main-nav a:hover{
  border-bottom-color:transparent;
  text-decoration:none;
  color:var(--primary);
}

nav.main-nav a:hover::after{
  width:100%;
}

.nav-tools{
  display:flex;
  align-items:center;
  gap:10px;
}

.nav-tools button{
  background:rgba(237,242,247,.8);
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  padding:8px 10px;
  cursor:pointer;
  font-size:15px;
  color:var(--text);
  transition:background-color var(--transition-fast),transform var(--transition-fast),border-color var(--transition-fast);
}

.nav-tools button:hover{
  background:#e2e8f0;
  transform:translateY(-1px);
}

.nav-tools button:active{
  transform:translateY(0) scale(.96);
}

.search-box{
  display:flex;
  align-items:center;
  border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);
  overflow:hidden;
  background:rgba(255,255,255,.85);
  transition:border-color var(--transition-fast),box-shadow var(--transition-fast);
}

.search-box:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(43,108,176,.15);
}

.search-box input{
  border:none;
  outline:none;
  padding:8px 10px;
  font-size:14px;
  width:150px;
  background:transparent;
  color:var(--text);
}

.search-box input::placeholder{
  color:var(--text-faint);
}

.search-box button{
  border:none;
  background:var(--gradient-hero);
  color:#fff;
  padding:8px 12px;
  cursor:pointer;
  border-radius:0;
  transition:opacity var(--transition-fast),filter var(--transition-fast);
}

.search-box button:hover{
  background:var(--gradient-hero);
  filter:brightness(1.12);
  transform:none;
}

.menu-toggle{
  display:none;
  background:var(--gradient-hero);
  color:#fff;
  border:none;
  border-radius:var(--radius-sm);
  padding:8px 12px;
  font-size:18px;
  cursor:pointer;
  transition:filter var(--transition-fast),transform var(--transition-fast);
}

.menu-toggle:hover{
  filter:brightness(1.12);
  transform:translateY(-1px);
}

.breadcrumb{
  font-size:14px;
  color:var(--text-light);
  padding:14px 0;
}

.breadcrumb a{
  color:var(--primary);
  transition:color var(--transition-fast);
}

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

.hero{
  position:relative;
  background:var(--gradient-hero);
  color:#fff;
  padding:56px 0;
  overflow:hidden;
  isolation:isolate;
}

.hero::before{
  content:"";
  position:absolute;
  top:-60%;
  right:-10%;
  width:520px;
  height:520px;
  background:radial-gradient(circle,rgba(246,173,85,.28) 0%,transparent 65%);
  border-radius:50%;
  z-index:-1;
  animation:floatOrb 12s ease-in-out infinite;
}

.hero::after{
  content:"";
  position:absolute;
  bottom:-50%;
  left:-8%;
  width:420px;
  height:420px;
  background:radial-gradient(circle,rgba(66,153,225,.35) 0%,transparent 65%);
  border-radius:50%;
  z-index:-1;
  animation:floatOrb 15s ease-in-out infinite reverse;
}

@keyframes floatOrb{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(-24px,20px) scale(1.08)}
}

.hero h1{
  font-size:32px;
  line-height:1.4;
  margin-bottom:16px;
  letter-spacing:.5px;
  text-shadow:0 2px 12px rgba(0,0,0,.18);
  animation:fadeUp .8s ease both;
}

.hero p{
  font-size:17px;
  color:#e2e8f0;
  max-width:900px;
  margin-bottom:20px;
  animation:fadeUp .8s ease .1s both;
}

.hero .hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  font-size:14px;
  color:var(--primary-light);
  margin-bottom:20px;
  animation:fadeUp .8s ease .2s both;
}

.hero .hero-meta span{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:4px 12px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-pill);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  transition:background-color var(--transition-fast),transform var(--transition-fast);
}

.hero .hero-meta span:hover{
  background:rgba(255,255,255,.22);
  transform:translateY(-2px);
}

.hero .cta{
  display:inline-block;
  background:var(--gradient-accent);
  color:#1a202c;
  font-weight:700;
  padding:12px 26px;
  border-radius:var(--radius);
  font-size:16px;
  box-shadow:0 6px 20px rgba(246,173,85,.4);
  transition:transform var(--transition),box-shadow var(--transition),filter var(--transition);
  animation:fadeUp .8s ease .3s both;
}

.hero .cta:hover{
  background:var(--gradient-accent);
  filter:brightness(1.08);
  text-decoration:none;
  transform:translateY(-3px);
  box-shadow:0 10px 28px rgba(246,173,85,.55);
}

.hero .cta:active{
  transform:translateY(-1px) scale(.98);
}

@keyframes fadeUp{
  from{opacity:0;transform:translateY(24px)}
  to{opacity:1;transform:translateY(0)}
}

.quick-answer{
  position:relative;
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border:1px solid var(--glass-border);
  border-left:5px solid var(--primary);
  border-radius:var(--radius);
  padding:20px 24px;
  margin:28px 0;
  box-shadow:var(--shadow-md);
  transition:transform var(--transition),box-shadow var(--transition);
}

.quick-answer:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
}

.quick-answer h2{
  font-size:20px;
  margin-bottom:10px;
  color:var(--primary-dark);
}

.quick-answer p{
  color:var(--text-muted);
}

main{
  display:block;
  padding-bottom:40px;
}

.layout{
  display:flex;
  gap:28px;
  align-items:flex-start;
}

.content{
  flex:1 1 auto;
  min-width:0;
}

.sidebar{
  flex:0 0 300px;
  position:sticky;
  top:88px;
}

section.block{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  margin-bottom:24px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}

section.block:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  border-color:rgba(43,108,176,.2);
}

section.block h2{
  font-size:24px;
  color:var(--primary-dark);
  margin-bottom:16px;
  padding-bottom:10px;
  border-bottom:2px solid var(--border);
  position:relative;
}

section.block h2::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-2px;
  width:64px;
  height:2px;
  background:var(--gradient-accent);
  border-radius:var(--radius-pill);
}

section.block h3{
  font-size:19px;
  color:var(--primary);
  margin:20px 0 10px;
  transition:color var(--transition-fast);
}

section.block h3:hover{
  color:var(--primary-dark);
}

section.block h4{
  font-size:16px;
  color:var(--text);
  margin:16px 0 8px;
}

section.block p{
  margin-bottom:12px;
  color:var(--text-muted);
}

section.block ul,
section.block ol{
  margin:10px 0 16px 22px;
  color:var(--text-muted);
}

section.block li{
  margin-bottom:6px;
  transition:transform var(--transition-fast),color var(--transition-fast);
}

section.block li:hover{
  transform:translateX(3px);
  color:var(--text);
}

section.block strong{
  color:var(--primary-dark);
}

.feature-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:16px;
  margin-top:16px;
}

.feature-card{
  background:var(--bg-subtle);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition),background-color var(--transition);
  position:relative;
  overflow:hidden;
}

.feature-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:3px;
  background:var(--gradient-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--transition);
}

.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(43,108,176,.25);
  background:var(--bg-card);
}

.feature-card:hover::before{
  transform:scaleX(1);
}

.feature-card h4{
  color:var(--primary-dark);
  margin-bottom:8px;
  font-size:16px;
}

.feature-card p{
  font-size:14px;
  color:var(--text-muted);
  margin:0;
}

.stats{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:16px;
  margin-top:16px;
}

.stat{
  background:linear-gradient(145deg,rgba(235,248,255,.9),rgba(235,248,255,.5));
  border:1px solid rgba(43,108,176,.12);
  border-radius:var(--radius);
  padding:20px;
  text-align:center;
  transition:transform var(--transition),box-shadow var(--transition);
}

.stat:hover{
  transform:translateY(-4px) scale(1.02);
  box-shadow:var(--shadow-md);
}

.stat .num{
  font-size:30px;
  font-weight:800;
  color:var(--primary);
  background:var(--gradient-hero);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

.stat .label{
  font-size:14px;
  color:var(--text-muted);
  margin-top:6px;
}

.article-list{
  display:grid;
  gap:16px;
}

.article-item{
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  background:var(--bg-card);
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
  position:relative;
}

.article-item::after{
  content:"";
  position:absolute;
  right:18px;
  top:18px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--gradient-accent);
  opacity:0;
  transition:opacity var(--transition),transform var(--transition);
}

.article-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(43,108,176,.25);
}

.article-item:hover::after{
  opacity:1;
  transform:scale(1.3);
}

.article-item h3{
  font-size:17px;
  color:var(--primary-dark);
  margin:0 0 8px;
  transition:color var(--transition-fast);
}

.article-item:hover h3{
  color:var(--primary);
}

.article-item .meta{
  font-size:13px;
  color:var(--text-faint);
  margin-bottom:8px;
}

.article-item p{
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:10px;
}

.article-item .read-more{
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:4px;
  transition:gap var(--transition-fast),color var(--transition-fast);
}

.article-item .read-more:hover{
  gap:8px;
  text-decoration:none;
  color:var(--accent-dark);
}

.faq-item{
  border-bottom:1px solid var(--border);
  padding:14px 0;
  transition:background-color var(--transition-fast);
}

.faq-item:last-child{
  border-bottom:none;
}

.faq-q{
  font-weight:700;
  color:var(--primary-dark);
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  gap:10px;
  font-size:16px;
  transition:color var(--transition-fast),padding-left var(--transition-fast);
  user-select:none;
}

.faq-q:hover{
  color:var(--primary);
  padding-left:4px;
}

.faq-q:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:4px;
  border-radius:4px;
}

.faq-q .icon{
  color:var(--primary);
  flex:0 0 auto;
  font-weight:400;
  transition:transform var(--transition),color var(--transition-fast);
}

.faq-item.open .faq-q .icon{
  transform:rotate(180deg);
  color:var(--accent-dark);
}

.faq-a{
  display:none;
  padding-top:10px;
  color:var(--text-muted);
  font-size:15px;
  animation:fadeUp .35s ease both;
}

.faq-item.open .faq-a{
  display:block;
}

.steps{
  counter-reset:step;
  list-style:none;
  margin-left:0;
}

.steps li{
  position:relative;
  padding-left:44px;
  margin-bottom:16px;
  transition:transform var(--transition-fast);
}

.steps li:hover{
  transform:translateX(4px);
}

.steps li::before{
  counter-increment:step;
  content:counter(step);
  position:absolute;
  left:0;
  top:0;
  width:30px;
  height:30px;
  background:var(--gradient-hero);
  color:#fff;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  box-shadow:0 4px 12px rgba(43,108,176,.3);
  transition:transform var(--transition),box-shadow var(--transition);
}

.steps li:hover::before{
  transform:scale(1.12);
  box-shadow:0 6px 18px rgba(43,108,176,.45);
}

.sidebar .widget{
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:20px;
  margin-bottom:20px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--transition),box-shadow var(--transition);
}

.sidebar .widget:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}

.sidebar .widget h3{
  font-size:17px;
  color:var(--primary-dark);
  margin-bottom:12px;
  padding-bottom:8px;
  border-bottom:2px solid var(--border);
  position:relative;
}

.sidebar .widget h3::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-2px;
  width:40px;
  height:2px;
  background:var(--gradient-accent);
  border-radius:var(--radius-pill);
}

.sidebar .widget ul{
  list-style:none;
  margin:0;
}

.sidebar .widget li{
  margin-bottom:8px;
  font-size:14px;
  transition:transform var(--transition-fast),color var(--transition-fast);
}

.sidebar .widget li:hover{
  transform:translateX(4px);
}

.sidebar .widget li a{
  display:inline-block;
  transition:color var(--transition-fast);
}

.sidebar .widget li a:hover{
  color:var(--accent-dark);
  text-decoration:none;
}

.contact-list{
  list-style:none;
  margin:0;
}

.contact-list li{
  display:flex;
  gap:8px;
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:10px;
  transition:transform var(--transition-fast);
}

.contact-list li:hover{
  transform:translateX(3px);
}

.contact-list .label{
  color:var(--text-light);
  flex:0 0 72px;
}

table.info-table{
  width:100%;
  border-collapse:collapse;
  margin:16px 0;
  font-size:14px;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}

table.info-table th,
table.info-table td{
  border:1px solid var(--border);
  padding:10px 12px;
  text-align:left;
  transition:background-color var(--transition-fast);
}

table.info-table th{
  background:var(--bg-subtle);
  color:var(--primary-dark);
  width:34%;
  font-weight:700;
}

table.info-table tr{
  transition:background-color var(--transition-fast);
}

table.info-table tr:hover td,
table.info-table tr:hover th{
  background:rgba(43,108,176,.05);
}

.back-to-top{
  position:fixed;
  right:20px;
  bottom:24px;
  width:46px;
  height:46px;
  border-radius:50%;
  background:var(--gradient-hero);
  color:#fff;
  border:none;
  font-size:20px;
  cursor:pointer;
  display:none;
  z-index:900;
  box-shadow:0 4px 16px rgba(43,108,176,.4);
  transition:transform var(--transition),box-shadow var(--transition),filter var(--transition);
}

.back-to-top.show{
  display:block;
  animation:fadeUp .4s ease both;
}

.back-to-top:hover{
  transform:translateY(-4px) scale(1.08);
  box-shadow:0 8px 24px rgba(43,108,176,.55);
  filter:brightness(1.12);
}

.back-to-top:active{
  transform:translateY(-1px) scale(.98);
}

footer.site-footer{
  background:linear-gradient(180deg,#1a202c,#171923);
  color:var(--text-faint);
  padding:36px 0 20px;
  font-size:14px;
  position:relative;
  overflow:hidden;
}

footer.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--gradient-accent);
}

footer.site-footer .footer-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:24px;
}

footer.site-footer h4{
  color:#fff;
  font-size:16px;
  margin-bottom:12px;
  position:relative;
  padding-bottom:8px;
}

footer.site-footer h4::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:32px;
  height:2px;
  background:var(--gradient-accent);
  border-radius:var(--radius-pill);
}

footer.site-footer ul{
  list-style:none;
  margin:0;
}

footer.site-footer li{
  margin-bottom:8px;
  transition:transform var(--transition-fast);
}

footer.site-footer li:hover{
  transform:translateX(3px);
}

footer.site-footer a{
  color:var(--text-faint);
  transition:color var(--transition-fast);
}

footer.site-footer a:hover{
  color:#fff;
  text-decoration:none;
}

footer.site-footer p{
  color:var(--text-faint);
  line-height:1.8;
}

.footer-bottom{
  border-top:1px solid #2d3748;
  margin-top:24px;
  padding-top:16px;
  text-align:center;
  font-size:13px;
  color:var(--text-light);
}

.banner{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  background:var(--gradient-hero);
  color:#fff;
  min-height:220px;
  box-shadow:var(--shadow-md);
  transition:box-shadow var(--transition);
}

.banner:hover{
  box-shadow:var(--shadow-lg);
}

.banner::before{
  content:"";
  position:absolute;
  top:-40%;
  right:-5%;
  width:340px;
  height:340px;
  background:radial-gradient(circle,rgba(246,173,85,.3) 0%,transparent 65%);
  border-radius:50%;
  pointer-events:none;
  animation:floatOrb 10s ease-in-out infinite;
}

.slide{
  display:none;
  padding:36px 28px;
  position:relative;
  z-index:1;
}

.slide.active{
  display:block;
  animation:fadeUp .5s ease both;
}

.slide h3{
  font-size:22px;
  margin-bottom:10px;
  color:#fff;
  text-shadow:0 2px 8px rgba(0,0,0,.15);
}

.slide p{
  color:#e2e8f0;
  font-size:15px;
  max-width:640px;
}

.banner-dots{
  position:absolute;
  bottom:14px;
  right:20px;
  display:flex;
  gap:8px;
  z-index:2;
}

.banner-dots span{
  width:10px;
  height:10px;
  border-radius:50%;
  background:rgba(255,255,255,.4);
  cursor:pointer;
  transition:background-color var(--transition),transform var(--transition),width var(--transition);
}

.banner-dots span:hover{
  background:rgba(255,255,255,.7);
  transform:scale(1.2);
}

.banner-dots span.active{
  background:var(--accent);
  width:24px;
  border-radius:var(--radius-pill);
}

.reveal{
  opacity:0;
  transform:translateY(20px);
  transition:opacity var(--transition-slow),transform var(--transition-slow);
  will-change:opacity,transform;
}

.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

body.dark{
  --text:#cbd5e0;
  --text-muted:#a0aec0;
  --text-light:#718096;
  --text-faint:#718096;
  --bg:#1a202c;
  --bg-card:#2d3748;
  --bg-subtle:#1a202c;
  --border:#4a5568;
  --border-strong:#4a5568;
  --glass-bg:rgba(45,55,72,.75);
  --glass-border:rgba(74,85,104,.5);
  --primary-light:#90cdf4;
  --shadow-sm:0 1px 6px rgba(0,0,0,.3);
  --shadow-md:0 2px 10px rgba(0,0,0,.35);
  --shadow-lg:0 8px 30px rgba(0,0,0,.45);
  background-color:var(--bg);
  color:var(--text);
  background-image:
    radial-gradient(circle at 15% 0%,rgba(43,108,176,.15) 0%,transparent 45%),
    radial-gradient(circle at 85% 10%,rgba(246,173,85,.08) 0%,transparent 40%);
}

body.dark header.site-header{
  background:var(--glass-bg);
  box-shadow:0 2px 16px rgba(0,0,0,.4);
}

body.dark .brand,
body.dark nav.main-nav a{
  color:#e2e8f0;
}

body.dark nav.main-nav a:hover{
  color:var(--primary-light);
}

body.dark section.block,
body.dark .sidebar .widget,
body.dark .article-item{
  background:var(--bg-card);
  color:var(--text);
  border-color:var(--border);
}

body.dark section.block h2,
body.dark section.block h3,
body.dark .article-item h3,
body.dark .faq-q{
  color:var(--primary-light);
}

body.dark section.block h2{
  border-bottom-color:var(--border);
}

body.dark section.block p,
body.dark section.block li,
body.dark .article-item p,
body.dark .faq-a{
  color:var(--text-muted);
}

body.dark section.block strong{
  color:var(--primary-light);
}

body.dark .quick-answer{
  background:var(--glass-bg);
}

body.dark .quick-answer h2{
  color:var(--primary-light);
}

body.dark .search-box{
  background:rgba(45,55,72,.85);
  border-color:var(--border);
}

body.dark .search-box input{
  background:transparent;
  color:#e2e8f0;
  border:none;
}

body.dark .search-box input::placeholder{
  color:var(--text-faint);
}

body.dark .feature-card{
  background:var(--bg-subtle);
  border-color:var(--border);
}

body.dark .feature-card:hover{
  background:var(--bg-card);
}

body.dark .feature-card h4{
  color:var(--primary-light);
}

body.dark .stat{
  background:linear-gradient(145deg,rgba(26,54,93,.8),rgba(26,54,93,.4));
  border-color:rgba(43,108,176,.3);
}

body.dark .stat .num{
  background:linear-gradient(135deg,#90cdf4,#63b3ed);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

body.dark .nav-tools button{
  background:rgba(74,85,104,.6);
  color:#e2e8f0;
}

body.dark .nav-tools button:hover{
  background:rgba(74,85,104,.9);
}

body.dark table.info-table th{
  background:var(--bg-subtle);
  color:var(--primary-light);
}

body.dark table.info-table th,
body.dark table.info-table td{
  border-color:var(--border);
}

body.dark table.info-table tr:hover td,
body.dark table.info-table tr:hover th{
  background:rgba(43,108,176,.15);
}

body.dark .faq-item{
  border-bottom-color:var(--border);
}

body.dark .faq-q .icon{
  color:var(--primary-light);
}

body.dark .sidebar .widget h3{
  color:var(--primary-light);
  border-bottom-color:var(--border);
}

body.dark .sidebar .widget li a{
  color:var(--primary-light);
}

body.dark .sidebar .widget li a:hover{
  color:var(--accent);
}

body.dark .article-item .meta{
  color:var(--text-faint);
}

body.dark .article-item .read-more{
  color:var(--primary-light);
}

body.dark .article-item .read-more:hover{
  color:var(--accent);
}

body.dark .contact-list .label{
  color:var(--text-light);
}

body.dark .breadcrumb{
  color:var(--text-light);
}

body.dark .breadcrumb a{
  color:var(--primary-light);
}

body.dark .steps li::before{
  box-shadow:0 4px 12px rgba(43,108,176,.5);
}

body.dark footer.site-footer{
  background:linear-gradient(180deg,#171923,#0f1117);
}

body.dark .back-to-top{
  box-shadow:0 4px 16px rgba(0,0,0,.6);
}

body.dark ::-webkit-scrollbar-thumb{
  background:var(--border);
  border-color:var(--bg);
}

@media (max-width:900px){
  .layout{
    flex-direction:column;
  }

  .sidebar{
    flex:1 1 auto;
    width:100%;
    position:static;
  }

  nav.main-nav{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--glass-bg);
    -webkit-backdrop-filter:blur(16px) saturate(180%);
    backdrop-filter:blur(16px) saturate(180%);
    box-shadow:0 8px 24px rgba(0,0,0,.12);
    padding:12px 16px;
    border-bottom:1px solid var(--glass-border);
    animation:fadeUp .25s ease both;
  }

  nav.main-nav.open{
    display:block;
  }

  nav.main-nav ul{
    flex-direction:column;
    gap:8px;
  }

  nav.main-nav a{
    display:block;
    padding:8px 4px;
    border-bottom:1px solid var(--border);
  }

  nav.main-nav a::after{
    display:none;
  }

  .menu-toggle{
    display:block;
  }

  .search-box input{
    width:100px;
  }

  .hero{
    padding:40px 0;
  }

  .hero h1{
    font-size:24px;
  }

  .hero p{
    font-size:15px;
  }

  section.block{
    padding:20px;
  }

  section.block h2{
    font-size:20px;
  }

  section.block h3{
    font-size:17px;
  }

  .brand span{
    font-size:15px;
  }
}

@media (max-width:600px){
  body{
    font-size:15px;
  }

  .container{
    padding:0 12px;
  }

  .nav-wrap{
    gap:8px;
    padding:10px 0;
  }

  .brand{
    font-size:15px;
    gap:8px;
  }

  .brand .logo{
    width:34px;
    height:34px;
    flex:0 0 34px;
  }

  .search-box{
    display:none;
  }

  .hero{
    padding:32px 0;
  }

  .hero h1{
    font-size:20px;
    line-height:1.45;
  }

  .hero p{
    font-size:14px;
  }

  .hero .hero-meta{
    gap:8px;
    font-size:12px;
  }

  .hero .hero-meta span{
    padding:3px 8px;
  }

  .hero .cta{
    padding:10px 20px;
    font-size:15px;
  }

  .quick-answer{
    padding:16px 18px;
    margin:20px 0;
  }

  .quick-answer h2{
    font-size:17px;
  }

  section.block{
    padding:16px;
    margin-bottom:16px;
  }

  section.block h2{
    font-size:18px;
  }

  section.block h3{
    font-size:16px;
  }

  .feature-grid{
    grid-template-columns:1fr;
    gap:12px;
  }

  .stats{
    grid-template-columns:repeat(2,1fr);
    gap:12px;
  }

  .stat{
    padding:14px;
  }

  .stat .num{
    font-size:24px;
  }

  .stat .label{
    font-size:12px;
  }

  .article-item{
    padding:14px;
  }

  .article-item h3{
    font-size:15px;
  }

  .faq-q{
    font-size:15px;
  }

  .faq-a{
    font-size:14px;
  }

  .steps li{
    padding-left:38px;
  }

  .steps li::before{
    width:26px;
    height:26px;
    font-size:13px;
  }

  table.info-table{
    font-size:13px;
  }

  table.info-table th,
  table.info-table td{
    padding:8px 10px;
  }

  .banner{
    min-height:180px;
  }

  .slide{
    padding:24px 18px;
  }

  .slide h3{
    font-size:18px;
  }

  .slide p{
    font-size:14px;
  }

  .sidebar .widget{
    padding:16px;
  }

  .back-to-top{
    right:14px;
    bottom:18px;
    width:42px;
    height:42px;
    font-size:18px;
  }

  footer.site-footer .footer-grid{
    grid-template-columns:1fr;
    gap:20px;
  }
}

@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }

  .reveal{
    opacity:1;
    transform:none;
  }
}

@media print{
  header.site-header,
  .sidebar,
  .back-to-top,
  footer.site-footer,
  .banner,
  .nav-tools{
    display:none !important;
  }

  body{
    background:#fff;
    color:#000;
  }

  section.block{
    box-shadow:none;
    border:1px solid #ccc;
    page-break-inside:avoid;
  }

  .layout{
    display:block;
  }
}