:root{
  --brand:#1F3A5F;
  --brand-strong:#152A47;
  --brand-soft:#2E5A8C;
  --brand-glow:rgba(46,90,140,.35);
  --accent:#C2410C;
  --accent-soft:rgba(194,65,12,.14);
  --bg:#F5F7FA;
  --bg-soft:#FFFFFF;
  --bg-alt:#EEF2F7;
  --glass:rgba(255,255,255,.72);
  --glass-strong:rgba(255,255,255,.86);
  --glass-border:rgba(255,255,255,.55);
  --text:#17202A;
  --text-strong:#0F172A;
  --text-muted:#475569;
  --text-sub:#5B6B7F;
  --border:#D6DEE8;
  --shadow:0 2px 10px rgba(15,23,42,.08);
  --shadow-lg:0 14px 38px rgba(15,23,42,.14);
  --shadow-glow:0 10px 30px var(--brand-glow);
  --radius:10px;
  --radius-lg:18px;
  --radius-pill:999px;
  --link:#1D4ED8;
  --success:#15803D;
  --warn:#B45309;
  --hero-a:#1F3A5F;
  --hero-b:#2E5A8C;
  --hero-c:#3C6FA8;
  --hero-d:#7BA7DE;
  --ease:cubic-bezier(.22,.61,.36,1);
}

html[data-theme="dark"]{
  --brand:#8FB6E8;
  --brand-strong:#BFD8F5;
  --brand-soft:#7BA7DE;
  --brand-glow:rgba(143,182,232,.28);
  --accent:#FDBA74;
  --accent-soft:rgba(253,186,116,.16);
  --bg:#0F172A;
  --bg-soft:#16233B;
  --bg-alt:#1B2A45;
  --glass:rgba(22,35,59,.66);
  --glass-strong:rgba(27,42,69,.86);
  --glass-border:rgba(143,182,232,.22);
  --text:#E5E7EB;
  --text-strong:#FFFFFF;
  --text-muted:#C7D2DE;
  --text-sub:#AAB8C8;
  --border:#2C3E5C;
  --shadow:0 2px 10px rgba(0,0,0,.45);
  --shadow-lg:0 16px 42px rgba(0,0,0,.55);
  --shadow-glow:0 10px 30px rgba(0,0,0,.5);
  --link:#93C5FD;
  --success:#86EFAC;
  --warn:#FCD34D;
  --hero-a:#0B1526;
  --hero-b:#16294A;
  --hero-c:#1F3A5F;
  --hero-d:#2E5A8C;
}

*{box-sizing:border-box}

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

body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
  font-size:16px;
  overflow-x:hidden;
  transition:background-color .35s var(--ease),color .35s var(--ease);
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(60vw 60vw at 88% -10%,rgba(46,90,140,.16),transparent 60%),
    radial-gradient(50vw 50vw at -12% 22%,rgba(194,65,12,.10),transparent 62%),
    radial-gradient(46vw 46vw at 50% 108%,rgba(60,111,168,.14),transparent 60%);
}

h1,h2,h3,h4{color:var(--text-strong);line-height:1.35;margin:0 0 .6em}
h1{font-size:2rem;font-weight:800;letter-spacing:.5px}
h2{font-size:1.5rem;font-weight:700;border-left:5px solid var(--brand);padding-left:12px;margin-top:1.8em;position:relative}
h2::after{
  content:"";
  position:absolute;
  left:-5px;
  bottom:-6px;
  width:64px;
  height:3px;
  border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--accent),transparent);
  opacity:.85;
}
h3{font-size:1.18rem;font-weight:700;color:var(--brand-strong);margin-top:1.4em}
h4{font-size:1.02rem;font-weight:700;color:var(--text-strong);margin-top:1.1em}
p{margin:0 0 1em;color:var(--text)}

a{color:var(--link);text-decoration:none;transition:color .25s var(--ease),opacity .25s var(--ease)}
a:hover{text-decoration:underline}

a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}

small,.muted{color:var(--text-sub)}
img,svg{max-width:100%;display:block}

.container{max-width:1180px;margin:0 auto;padding:0 18px}

.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  background:var(--brand);
  color:#fff;
  padding:10px 14px;
  z-index:999;
  border-radius:0 0 var(--radius) 0;
}
.skip-link:focus{left:12px;top:12px}

/* ---------- Header (glass) ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid var(--glass-border);
  box-shadow:var(--shadow);
  transition:background-color .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);
}

.header-inner{display:flex;align-items:center;gap:16px;padding:12px 0}

.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:1.15rem;
  color:var(--brand-strong);
  transition:transform .3s var(--ease);
}
.logo:hover{text-decoration:none;transform:translateY(-1px)}
.logo svg{
  width:34px;
  height:34px;
  flex:none;
  border-radius:10px;
  box-shadow:var(--shadow);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.logo:hover svg{transform:rotate(-6deg) scale(1.05);box-shadow:var(--shadow-glow)}

.nav{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto}
.nav a{
  color:var(--text);
  padding:8px 10px;
  border-radius:var(--radius-pill);
  font-size:.95rem;
  font-weight:600;
  position:relative;
  transition:background-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.nav a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:4px;
  width:0;
  height:2px;
  border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--brand),var(--accent));
  transform:translateX(-50%);
  transition:width .3s var(--ease);
}
.nav a:hover{
  background:var(--bg-alt);
  color:var(--brand-strong);
  text-decoration:none;
  transform:translateY(-1px);
}
.nav a:hover::after{width:60%}

.header-tools{display:flex;align-items:center;gap:8px}

.search-box{
  display:flex;
  align-items:center;
  border:1px solid var(--border);
  border-radius:var(--radius-pill);
  overflow:hidden;
  background:var(--glass-strong);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.search-box:focus-within{
  border-color:var(--brand-soft);
  box-shadow:0 0 0 3px var(--brand-glow);
}
.search-box input{
  border:0;
  padding:8px 14px;
  font-size:.9rem;
  background:transparent;
  color:var(--text);
  width:150px;
  outline:none;
}
.search-box input::placeholder{color:var(--text-sub)}
.search-box button{
  border:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-soft));
  color:#fff;
  padding:8px 14px;
  font-weight:700;
  cursor:pointer;
  transition:filter .28s var(--ease),transform .28s var(--ease);
}
.search-box button:hover{filter:brightness(1.12);transform:translateX(1px)}

.icon-btn{
  border:1px solid var(--border);
  background:var(--glass-strong);
  color:var(--text-strong);
  border-radius:var(--radius-pill);
  padding:8px 12px;
  cursor:pointer;
  font-weight:700;
  font-size:.9rem;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  transition:background-color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.icon-btn:hover{
  background:var(--bg-alt);
  transform:translateY(-2px);
  box-shadow:var(--shadow);
  border-color:var(--brand-soft);
}
.icon-btn:active{transform:translateY(0)}

.menu-toggle{display:none}

/* ---------- Hero (gradient banner) ---------- */
.hero{
  position:relative;
  overflow:hidden;
  color:#fff;
  padding:64px 0 54px;
  background:linear-gradient(125deg,var(--hero-a) 0%,var(--hero-b) 42%,var(--hero-c) 72%,var(--hero-d) 100%);
  background-size:200% 200%;
  animation:heroShift 18s ease-in-out infinite;
  border-bottom-left-radius:28px;
  border-bottom-right-radius:28px;
  box-shadow:var(--shadow-lg);
}

@keyframes heroShift{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}

.hero::before{
  content:"";
  position:absolute;
  inset:-20%;
  background:
    radial-gradient(circle at 82% 18%,rgba(255,255,255,.22),transparent 55%),
    radial-gradient(circle at 12% 88%,rgba(255,255,255,.12),transparent 52%);
  animation:heroFloat 14s ease-in-out infinite;
  pointer-events:none;
}

@keyframes heroFloat{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(-2%,2%,0) scale(1.04)}
}

.hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:70px;
  background:linear-gradient(to top,var(--bg),transparent);
  opacity:.5;
  pointer-events:none;
}

.hero .container{position:relative;z-index:2}

.hero h1{
  color:#fff;
  font-size:2.2rem;
  text-shadow:0 2px 14px rgba(0,0,0,.38);
  animation:riseIn .8s var(--ease) both;
}

.hero p{
  color:#F1F5F9;
  max-width:820px;
  font-size:1.05rem;
  text-shadow:0 1px 8px rgba(0,0,0,.32);
  animation:riseIn .8s .12s var(--ease) both;
}

@keyframes riseIn{
  from{opacity:0;transform:translateY(22px)}
  to{opacity:1;transform:none}
}

.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
  animation:riseIn .8s .22s var(--ease) both;
}
.hero-badges span{
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.42);
  color:#FFFFFF;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  font-size:.88rem;
  font-weight:600;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  transition:transform .3s var(--ease),background-color .3s var(--ease),box-shadow .3s var(--ease);
}
.hero-badges span:hover{
  transform:translateY(-3px);
  background:rgba(255,255,255,.26);
  box-shadow:0 8px 20px rgba(0,0,0,.22);
}

.hero-cta{
  margin-top:24px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  animation:riseIn .8s .32s var(--ease) both;
}

.btn{
  display:inline-block;
  padding:11px 22px;
  border-radius:var(--radius-pill);
  font-weight:700;
  cursor:pointer;
  border:1px solid transparent;
  font-size:.95rem;
  position:relative;
  overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background-color .3s var(--ease),color .3s var(--ease);
}
.btn::after{
  content:"";
  position:absolute;
  top:0;
  left:-120%;
  width:60%;
  height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-18deg);
  transition:left .6s var(--ease);
}
.btn:hover::after{left:130%}

.btn-primary{
  background:#FFFFFF;
  color:#152A47;
  box-shadow:0 10px 26px rgba(0,0,0,.22);
}
.btn-primary:hover{
  background:#E2E8F0;
  text-decoration:none;
  transform:translateY(-3px);
  box-shadow:0 16px 34px rgba(0,0,0,.28);
}

.btn-ghost{
  background:rgba(255,255,255,.08);
  color:#FFFFFF;
  border-color:rgba(255,255,255,.75);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.2);
  text-decoration:none;
  transform:translateY(-3px);
  box-shadow:0 14px 30px rgba(0,0,0,.24);
}

/* ---------- Sections ---------- */
section{padding:38px 0;position:relative}

.section-alt{
  background:var(--bg-alt);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  transition:background-color .35s var(--ease),border-color .35s var(--ease);
}

.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:18px;
  margin-top:18px;
}

/* Glass rounded cards */
.card{
  position:relative;
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .38s var(--ease),box-shadow .38s var(--ease),border-color .38s var(--ease),background-color .38s var(--ease);
}
.card::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:linear-gradient(140deg,rgba(255,255,255,.5),transparent 42%);
  opacity:.6;
  pointer-events:none;
  transition:opacity .38s var(--ease);
}
html[data-theme="dark"] .card::before{
  background:linear-gradient(140deg,rgba(143,182,232,.14),transparent 46%);
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:var(--brand-soft);
}
.card:hover::before{opacity:.95}
.card h3{margin-top:0;position:relative;z-index:1}
.card p{color:var(--text);font-size:.96rem;position:relative;z-index:1}
.card h4{position:relative;z-index:1}

.card .tag{
  display:inline-block;
  background:var(--accent-soft);
  color:var(--accent);
  border:1px solid var(--accent-soft);
  border-radius:var(--radius-pill);
  padding:3px 12px;
  font-size:.8rem;
  font-weight:700;
  margin-bottom:10px;
  position:relative;
  z-index:1;
  transition:transform .3s var(--ease),background-color .3s var(--ease);
}
.card:hover .tag{transform:translateX(3px)}

/* ---------- Carousel ---------- */
.carousel{
  position:relative;
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  margin-top:18px;
}
.carousel::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  pointer-events:none;
  background:linear-gradient(120deg,rgba(255,255,255,.34),transparent 40%);
  opacity:.55;
}
html[data-theme="dark"] .carousel::after{
  background:linear-gradient(120deg,rgba(143,182,232,.12),transparent 44%);
}

.slides{display:flex;transition:transform .55s var(--ease)}

.slide{
  min-width:100%;
  padding:30px 26px;
  display:flex;
  gap:20px;
  align-items:center;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}
.slide h3{margin:0 0 6px}
.slide p{margin:0;color:var(--text-muted)}

.slide .num{
  font-size:2rem;
  font-weight:800;
  min-width:64px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:var(--brand);
}

.carousel-nav{
  position:absolute;
  right:16px;
  bottom:14px;
  display:flex;
  gap:8px;
  z-index:3;
}
.carousel-nav button{
  border:1px solid var(--border);
  background:var(--glass-strong);
  color:var(--text-strong);
  width:36px;
  height:36px;
  border-radius:50%;
  cursor:pointer;
  font-weight:800;
  font-size:1.05rem;
  line-height:1;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  transition:background-color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease),color .28s var(--ease);
}
.carousel-nav button:hover{
  background:linear-gradient(135deg,var(--brand),var(--brand-soft));
  color:#fff;
  transform:translateY(-3px) scale(1.06);
  box-shadow:var(--shadow-glow);
}

/* ---------- Stats ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:16px;
  margin-top:18px;
}
.stat{
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:20px;
  text-align:center;
  box-shadow:var(--shadow);
  transition:transform .38s var(--ease),box-shadow .38s var(--ease);
}
.stat:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.stat .value{
  font-size:1.9rem;
  font-weight:800;
  color:var(--brand-strong);
  background:linear-gradient(135deg,var(--brand-strong),var(--brand-soft));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.stat .label{color:var(--text-muted);font-size:.92rem;font-weight:600}

/* ---------- Articles ---------- */
.article-list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:18px;
  margin-top:18px;
}
.article{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  position:relative;
  overflow:hidden;
  transition:transform .38s var(--ease),box-shadow .38s var(--ease),border-color .38s var(--ease);
}
.article::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:4px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .42s var(--ease);
}
.article:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:var(--brand-soft);
}
.article:hover::before{transform:scaleY(1)}
.article h3{margin-top:0;font-size:1.08rem}
.article .meta{
  color:var(--text-sub);
  font-size:.84rem;
  margin-bottom:8px;
  font-weight:600;
}
.article p{color:var(--text);font-size:.94rem;flex:1}
.article .more{
  color:var(--link);
  font-weight:700;
  font-size:.92rem;
  align-self:flex-start;
  transition:transform .3s var(--ease),color .3s var(--ease);
}
.article:hover .more{transform:translateX(5px)}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:box-shadow .35s var(--ease),transform .35s var(--ease),border-color .35s var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-lg);border-color:var(--brand-soft)}
.faq-item.open{border-color:var(--brand-soft);box-shadow:var(--shadow-lg)}

.faq-q{
  width:100%;
  text-align:left;
  background:transparent;
  border:0;
  padding:16px 18px;
  font-size:1rem;
  font-weight:700;
  color:var(--text-strong);
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  font-family:inherit;
  transition:background-color .28s var(--ease),color .28s var(--ease);
}
.faq-q:hover{background:var(--bg-alt)}
.faq-q .plus{
  color:var(--brand);
  font-size:1.25rem;
  font-weight:800;
  line-height:1;
  flex:none;
  width:26px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--accent-soft);
  transition:transform .35s var(--ease),background-color .35s var(--ease),color .35s var(--ease);
}
.faq-item.open .faq-q .plus{
  transform:rotate(180deg);
  background:var(--brand-glow);
}

.faq-a{
  display:none;
  padding:0 18px 16px;
  color:var(--text);
  border-top:1px solid var(--border);
  background:transparent;
  animation:fadeSlide .38s var(--ease) both;
}
.faq-item.open .faq-a{display:block}

@keyframes fadeSlide{
  from{opacity:0;transform:translateY(-8px)}
  to{opacity:1;transform:none}
}

/* ---------- Steps ---------- */
.steps{counter-reset:step;margin-top:16px}

.step{
  position:relative;
  padding:16px 18px 16px 62px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  margin-bottom:12px;
  box-shadow:var(--shadow);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.step:hover{
  transform:translateX(6px);
  box-shadow:var(--shadow-lg);
  border-color:var(--brand-soft);
}
.step::before{
  counter-increment:step;
  content:counter(step);
  position:absolute;
  left:16px;
  top:16px;
  width:30px;
  height:30px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-soft));
  color:#fff;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:.9rem;
  box-shadow:var(--shadow-glow);
  transition:transform .35s var(--ease);
}
.step:hover::before{transform:scale(1.12) rotate(-6deg)}
.step h4{margin:0 0 4px}
.step p{margin:0;color:var(--text);font-size:.95rem}

/* ---------- Table ---------- */
.table-wrap{
  overflow-x:auto;
  margin-top:16px;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  -webkit-overflow-scrolling:touch;
}
table{
  border-collapse:collapse;
  width:100%;
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
th,td{
  padding:13px 15px;
  border-bottom:1px solid var(--border);
  text-align:left;
  font-size:.94rem;
  color:var(--text);
  transition:background-color .28s var(--ease);
}
th{
  background:var(--bg-alt);
  color:var(--text-strong);
  font-weight:800;
  white-space:nowrap;
}
tbody tr:hover td{background:var(--bg-alt)}
tr:last-child td{border-bottom:0}

/* ---------- Contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:16px;
  margin-top:16px;
}
.contact-item{
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:18px;
  box-shadow:var(--shadow);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.contact-item:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg);
  border-color:var(--brand-soft);
}
.contact-item strong{
  display:block;
  color:var(--brand-strong);
  margin-bottom:5px;
}
.contact-item span{color:var(--text)}

/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(160deg,#152A47 0%,#1F3A5F 60%,#24466F 100%);
  color:#E2E8F0;
  padding:42px 0 20px;
  margin-top:36px;
  border-top-left-radius:26px;
  border-top-right-radius:26px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 88% 8%,rgba(255,255,255,.12),transparent 52%);
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:1}
.site-footer h3{color:#FFFFFF;font-size:1.02rem;margin-top:0}
.site-footer a{color:#BFD8F5;transition:color .28s var(--ease),transform .28s var(--ease)}
.site-footer a:hover{color:#FFFFFF;text-decoration:none}

.footer-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:24px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  margin-top:24px;
  padding-top:14px;
  color:#C7D2DE;
  font-size:.88rem;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}

/* ---------- Back to top ---------- */
#backTop{
  position:fixed;
  right:18px;
  bottom:22px;
  width:48px;
  height:48px;
  border-radius:50%;
  border:1px solid var(--glass-border);
  background:linear-gradient(135deg,var(--brand),var(--brand-soft));
  color:#fff;
  font-size:1.2rem;
  font-weight:800;
  cursor:pointer;
  display:none;
  z-index:200;
  box-shadow:var(--shadow-lg);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),filter .3s var(--ease);
}
#backTop:hover{
  transform:translateY(-5px) scale(1.06);
  filter:brightness(1.1);
  box-shadow:var(--shadow-glow);
}

/* ---------- Reveal animation ---------- */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.reveal.visible{opacity:1;transform:none}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  font-size:.88rem;
  color:var(--text-sub);
  padding:14px 0 4px;
}
.breadcrumb a{color:var(--link)}

/* ---------- Anchor nav ---------- */
.anchor-nav{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.anchor-nav a{
  background:var(--glass);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-pill);
  padding:7px 14px;
  font-size:.86rem;
  color:var(--text);
  font-weight:600;
  transition:background-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.anchor-nav a:hover{
  background:var(--bg-alt);
  color:var(--brand-strong);
  text-decoration:none;
  transform:translateY(-2px);
  border-color:var(--brand-soft);
  box-shadow:var(--shadow);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-alt)}
::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,var(--brand-soft),var(--brand));
  border-radius:var(--radius-pill);
  border:2px solid var(--bg-alt);
}
::-webkit-scrollbar-thumb:hover{background:var(--brand-strong)}

::selection{background:var(--brand-glow);color:var(--text-strong)}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .nav{
    display:none;
    position:absolute;
    left:0;
    right:0;
    top:100%;
    background:var(--glass-strong);
    -webkit-backdrop-filter:blur(18px) saturate(160%);
    backdrop-filter:blur(18px) saturate(160%);
    border-bottom:1px solid var(--glass-border);
    flex-direction:column;
    padding:12px;
    box-shadow:var(--shadow-lg);
    border-bottom-left-radius:var(--radius-lg);
    border-bottom-right-radius:var(--radius-lg);
    animation:fadeSlide .3s var(--ease) both;
  }
  .nav.open{display:flex}
  .nav a{padding:11px 14px;border-radius:var(--radius)}
  .menu-toggle{display:inline-block}
  .header-inner{position:relative;flex-wrap:wrap}
  .search-box input{width:110px}
  .hero{padding:52px 0 44px;border-bottom-left-radius:22px;border-bottom-right-radius:22px}
  .hero h1{font-size:1.85rem}
  .slide{padding:26px 20px}
}

@media (max-width:560px){
  body{font-size:15.5px}
  h1{font-size:1.6rem}
  h2{font-size:1.3rem}
  .hero h1{font-size:1.7rem}
  .hero p{font-size:.98rem}
  .search-box{display:none}
  .card-grid,.article-list,.contact-grid,.stats{gap:14px}
  .card,.article,.contact-item,.stat,.step{padding:16px}
  .step{padding-left:56px}
  .slide .num{font-size:1.6rem;min-width:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  #backTop{right:14px;bottom:16px;width:44px;height:44px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
}

@media print{
  .site-header,.site-footer,#backTop,.carousel-nav,.anchor-nav,.search-box{display:none !important}
  body{background:#fff;color:#000}
  .card,.article,.step,.faq-item,.contact-item{box-shadow:none;border:1px solid #ccc;background:#fff}
}