:root{
  --brand:#2b6cb0;
  --brand-2:#4299e1;
  --brand-3:#63b3ed;
  --accent:#f687b3;
  --accent-2:#9f7aea;
  --bg:#f7fafc;
  --bg-soft:#edf2f7;
  --surface:rgba(255,255,255,.78);
  --surface-solid:#ffffff;
  --surface-2:rgba(255,255,255,.55);
  --text:#2d3748;
  --text-soft:#4a5568;
  --muted:#718096;
  --border:#e2e8f0;
  --shadow-sm:0 2px 10px rgba(43,108,176,.08);
  --shadow-md:0 10px 30px rgba(43,108,176,.14);
  --shadow-lg:0 22px 50px rgba(43,108,176,.22);
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --glass-blur:14px;
  --grad-banner:linear-gradient(135deg,#2b6cb0 0%,#4299e1 45%,#9f7aea 100%);
  --grad-brand:linear-gradient(135deg,#2b6cb0,#63b3ed);
  --grad-accent:linear-gradient(135deg,#f687b3,#9f7aea);
  --ease:cubic-bezier(.22,.61,.36,1);
}

body.dark{
  --bg:#1a202c;
  --bg-soft:#232c3d;
  --surface:rgba(45,55,72,.72);
  --surface-solid:#2d3748;
  --surface-2:rgba(45,55,72,.5);
  --text:#e2e8f0;
  --text-soft:#cbd5e0;
  --muted:#a0aec0;
  --border:#4a5568;
  --shadow-sm:0 2px 10px rgba(0,0,0,.3);
  --shadow-md:0 10px 30px rgba(0,0,0,.4);
  --shadow-lg:0 22px 50px rgba(0,0,0,.5);
  --grad-banner:linear-gradient(135deg,#1a365d 0%,#2b6cb0 50%,#553c9a 100%);
}

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

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

body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  font-size:16px;
  color:var(--text);
  line-height:1.8;
  background:var(--bg);
  background-image:
    radial-gradient(circle at 12% 8%,rgba(66,153,225,.10),transparent 42%),
    radial-gradient(circle at 88% 4%,rgba(159,122,234,.10),transparent 40%),
    radial-gradient(circle at 50% 100%,rgba(246,135,179,.08),transparent 45%);
  background-attachment:fixed;
  transition:background-color .35s var(--ease),color .35s var(--ease);
  overflow-x:hidden;
}

body.dark{
  background-image:
    radial-gradient(circle at 12% 8%,rgba(66,153,225,.14),transparent 42%),
    radial-gradient(circle at 88% 4%,rgba(159,122,234,.14),transparent 40%),
    radial-gradient(circle at 50% 100%,rgba(246,135,179,.08),transparent 45%);
}

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

a:hover{
  color:var(--brand-2);
  text-decoration:underline;
  text-underline-offset:3px;
}

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

::selection{
  background:rgba(66,153,225,.28);
  color:var(--text);
}

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

::-webkit-scrollbar-track{
  background:transparent;
}

::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,var(--brand),var(--brand-3));
  border-radius:10px;
  border:2px solid transparent;
  background-clip:padding-box;
}

::-webkit-scrollbar-thumb:hover{
  background:linear-gradient(180deg,var(--brand-2),var(--accent-2));
  background-clip:padding-box;
}

header{
  position:sticky;
  top:0;
  z-index:1000;
  background:var(--surface);
  backdrop-filter:blur(var(--glass-blur)) saturate(180%);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(180%);
  box-shadow:0 2px 20px rgba(43,108,176,.10);
  border-bottom:1px solid rgba(226,232,240,.6);
  transition:background .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}

body.dark header{
  background:rgba(26,32,44,.72);
  border-bottom-color:rgba(74,85,104,.5);
  box-shadow:0 2px 20px rgba(0,0,0,.35);
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  max-width:1200px;
  margin:0 auto;
  padding:12px 20px;
  flex-wrap:wrap;
  gap:10px;
}

.logo{
  font-size:22px;
  font-weight:700;
  color:var(--brand);
  display:flex;
  align-items:center;
  gap:10px;
  letter-spacing:.5px;
  transition:transform .3s var(--ease);
}

.logo:hover{
  transform:scale(1.03);
}

.logo svg{
  border-radius:8px;
  box-shadow:0 4px 14px rgba(43,108,176,.35);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}

.logo:hover svg{
  transform:rotate(-6deg) scale(1.06);
  box-shadow:0 8px 22px rgba(43,108,176,.5);
}

body.dark .logo{
  color:var(--brand-3);
}

nav ul{
  list-style:none;
  display:flex;
  gap:6px;
  flex-wrap:wrap;
  align-items:center;
}

nav a{
  position:relative;
  font-size:15px;
  color:var(--text-soft);
  padding:6px 12px;
  border-radius:999px;
  transition:color .25s var(--ease),background .25s var(--ease);
}

nav a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
  transform:translateX(-50%);
  transition:width .3s var(--ease);
}

nav a:hover{
  color:var(--brand);
  background:rgba(66,153,225,.10);
  text-decoration:none;
}

nav a:hover::after{
  width:60%;
}

body.dark nav a{
  color:var(--text-soft);
}

body.dark nav a:hover{
  color:var(--brand-3);
  background:rgba(99,179,237,.12);
}

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

.tools input{
  padding:8px 14px;
  border:1px solid var(--border);
  border-radius:999px;
  font-size:14px;
  background:var(--surface-2);
  color:inherit;
  outline:none;
  width:150px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),width .35s var(--ease),background .25s var(--ease);
}

.tools input::placeholder{
  color:var(--muted);
}

.tools input:focus{
  border-color:var(--brand-2);
  box-shadow:0 0 0 4px rgba(66,153,225,.18);
  width:200px;
  background:var(--surface-solid);
}

.tools button{
  padding:8px 16px;
  border:none;
  border-radius:999px;
  background:var(--grad-brand);
  color:#fff;
  cursor:pointer;
  font-size:14px;
  font-weight:500;
  letter-spacing:.3px;
  box-shadow:0 4px 14px rgba(43,108,176,.28);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);
}

.tools button:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(43,108,176,.42);
  filter:brightness(1.05);
}

.tools button:active{
  transform:translateY(0) scale(.97);
}

#themeBtn{
  background:var(--surface-2);
  color:var(--text);
  border:1px solid var(--border);
  box-shadow:none;
  padding:8px 12px;
  font-size:16px;
  line-height:1;
}

#themeBtn:hover{
  background:var(--grad-accent);
  color:#fff;
  border-color:transparent;
  box-shadow:0 6px 18px rgba(159,122,234,.4);
}

.menu-toggle{
  display:none;
  font-size:22px;
  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:10px;
  width:42px;
  height:42px;
  line-height:1;
  cursor:pointer;
  color:var(--brand);
  transition:transform .25s var(--ease),background .25s var(--ease);
}

.menu-toggle:hover{
  transform:scale(1.08);
  background:rgba(66,153,225,.12);
}

.banner{
  position:relative;
  overflow:hidden;
  background:var(--grad-banner);
  background-size:220% 220%;
  animation:gradShift 14s ease infinite;
  color:#fff;
  padding:76px 20px 66px;
  text-align:center;
  border-bottom-left-radius:36px;
  border-bottom-right-radius:36px;
  box-shadow:0 20px 50px rgba(43,108,176,.28);
}

.banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 18% 22%,rgba(255,255,255,.22),transparent 40%),
    radial-gradient(circle at 82% 78%,rgba(255,255,255,.16),transparent 42%);
  pointer-events:none;
}

.banner::after{
  content:"";
  position:absolute;
  top:-40%;
  left:-30%;
  width:60%;
  height:180%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
  transform:rotate(18deg);
  animation:shine 7s ease-in-out infinite;
  pointer-events:none;
}

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

@keyframes shine{
  0%{left:-40%;opacity:0}
  35%{opacity:1}
  70%{left:110%;opacity:0}
  100%{left:110%;opacity:0}
}

.banner h1{
  position:relative;
  z-index:1;
  font-size:36px;
  line-height:1.35;
  margin-bottom:16px;
  letter-spacing:1px;
  text-shadow:0 4px 20px rgba(0,0,0,.22);
}

.banner p{
  position:relative;
  z-index:1;
  font-size:17px;
  max-width:780px;
  margin:0 auto 20px;
  text-align:center;
  color:rgba(255,255,255,.94);
  text-shadow:0 2px 12px rgba(0,0,0,.18);
}

.slide{
  display:none;
}

.slide.active{
  display:block;
  animation:fade .7s var(--ease);
}

@keyframes fade{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:none}
}

.banner-dots{
  position:relative;
  z-index:1;
  margin-top:22px;
}

.banner-dots span{
  display:inline-block;
  width:10px;
  height:10px;
  border-radius:50%;
  background:rgba(255,255,255,.5);
  margin:0 5px;
  cursor:pointer;
  transition:transform .3s var(--ease),background .3s var(--ease),width .3s var(--ease);
}

.banner-dots span:hover{
  transform:scale(1.3);
  background:rgba(255,255,255,.85);
}

.banner-dots span.active{
  background:#fff;
  width:26px;
  border-radius:999px;
  box-shadow:0 0 12px rgba(255,255,255,.7);
}

main{
  max-width:1200px;
  margin:0 auto;
  padding:34px 20px 10px;
}

section{
  margin-bottom:48px;
  scroll-margin-top:90px;
}

h2{
  position:relative;
  font-size:26px;
  color:var(--brand);
  margin-bottom:18px;
  padding-left:16px;
  letter-spacing:.5px;
}

h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:5px;
  border-radius:999px;
  background:var(--grad-brand);
  box-shadow:0 0 12px rgba(66,153,225,.6);
}

body.dark h2{
  color:var(--brand-3);
}

h3{
  font-size:20px;
  margin:22px 0 10px;
  color:#2c5282;
  transition:color .25s var(--ease);
}

body.dark h3{
  color:#90cdf4;
}

h4{
  font-size:17px;
  margin:14px 0 8px;
  color:var(--text);
}

body.dark h4{
  color:var(--text);
}

p{
  margin-bottom:12px;
  text-align:justify;
  color:var(--text-soft);
}

body.dark p{
  color:var(--text-soft);
}

ul,ol{
  margin:10px 0 16px 24px;
}

li{
  margin-bottom:6px;
  color:var(--text-soft);
}

li::marker{
  color:var(--brand-2);
}

.breadcrumb{
  font-size:14px;
  color:var(--muted);
  margin-bottom:20px;
  padding:10px 16px;
  background:var(--surface);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border:1px solid var(--border);
  border-radius:999px;
  display:inline-block;
  box-shadow:var(--shadow-sm);
}

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

.breadcrumb a:hover{
  color:var(--brand-2);
}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;
}

.card{
  position:relative;
  background:var(--surface);
  backdrop-filter:blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(160%);
  border:1px solid rgba(255,255,255,.55);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}

body.dark .card{
  border-color:rgba(74,85,104,.6);
}

.card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .45s var(--ease);
}

.card::after{
  content:"";
  position:absolute;
  top:-60%;
  right:-30%;
  width:180px;
  height:180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(66,153,225,.18),transparent 70%);
  opacity:0;
  transition:opacity .45s var(--ease),transform .45s var(--ease);
  pointer-events:none;
}

.card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-md);
  border-color:rgba(66,153,225,.45);
}

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

.card:hover::after{
  opacity:1;
  transform:scale(1.15);
}

.card h3{
  margin-top:0;
  position:relative;
  z-index:1;
}

.card p{
  position:relative;
  z-index:1;
}

.card:hover h3{
  color:var(--brand-2);
}

.stats{
  display:flex;
  gap:34px;
  flex-wrap:wrap;
  justify-content:center;
  margin:26px 0;
  padding:30px 20px;
  background:var(--surface);
  backdrop-filter:blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(160%);
  border:1px solid rgba(255,255,255,.55);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
}

body.dark .stats{
  border-color:rgba(74,85,104,.6);
}

.stat{
  text-align:center;
  min-width:130px;
  transition:transform .35s var(--ease);
}

.stat:hover{
  transform:translateY(-4px);
}

.stat .num{
  font-size:34px;
  font-weight:700;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:var(--brand);
  letter-spacing:1px;
}

body.dark .stat .num{
  background:linear-gradient(135deg,#63b3ed,#9f7aea);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:var(--brand-3);
}

.stat .label{
  font-size:14px;
  color:var(--muted);
  margin-top:4px;
}

.faq-item{
  border-bottom:1px solid var(--border);
  padding:14px 0;
  transition:border-color .25s var(--ease);
}

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

.faq-q{
  cursor:pointer;
  font-weight:600;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  color:var(--text);
  padding:6px 10px;
  border-radius:var(--radius-sm);
  transition:background .25s var(--ease),color .25s var(--ease),padding .25s var(--ease);
}

.faq-q:hover{
  background:rgba(66,153,225,.10);
  color:var(--brand);
  padding-left:16px;
}

body.dark .faq-q:hover{
  background:rgba(99,179,237,.12);
  color:var(--brand-3);
}

.faq-q span{
  flex:0 0 auto;
  width:26px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  font-size:15px;
  line-height:1;
  box-shadow:0 3px 10px rgba(43,108,176,.3);
  transition:transform .35s var(--ease),background .35s var(--ease);
}

.faq-item.open .faq-q span{
  background:var(--grad-accent);
  transform:rotate(180deg);
}

.faq-a{
  display:none;
  padding:12px 16px 4px;
  color:var(--text-soft);
  animation:fade .45s var(--ease);
}

body.dark .faq-a{
  color:var(--text-soft);
}

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

.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .8s var(--ease),transform .8s var(--ease);
}

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

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

th,td{
  border:1px solid var(--border);
  padding:12px 14px;
  text-align:left;
  font-size:15px;
  color:var(--text-soft);
}

th{
  background:var(--bg-soft);
  color:var(--text);
  font-weight:600;
}

body.dark th{
  background:var(--surface-solid);
}

tbody tr{
  transition:background .25s var(--ease);
}

tbody tr:hover{
  background:rgba(66,153,225,.08);
}

footer{
  position:relative;
  background:linear-gradient(180deg,#2d3748,#1a202c);
  color:#cbd5e0;
  padding:44px 20px 22px;
  margin-top:40px;
  border-top-left-radius:32px;
  border-top-right-radius:32px;
  box-shadow:0 -12px 40px rgba(0,0,0,.18);
}

footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--grad-banner);
  border-top-left-radius:32px;
  border-top-right-radius:32px;
}

footer .cols{
  max-width:1200px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:26px;
}

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

footer h4::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:28px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
}

footer p{
  color:#a0aec0;
  font-size:14px;
  text-align:left;
}

footer a{
  color:#a0aec0;
  display:block;
  margin-bottom:8px;
  font-size:14px;
  transition:color .25s var(--ease),transform .25s var(--ease),padding-left .25s var(--ease);
}

footer a:hover{
  color:#63b3ed;
  text-decoration:none;
  transform:translateX(4px);
  padding-left:4px;
}

.copyright{
  max-width:1200px;
  margin:26px auto 0;
  padding-top:16px;
  border-top:1px solid #4a5568;
  font-size:13px;
  color:#a0aec0;
  text-align:center;
}

.copyright p{
  text-align:center;
  margin:0;
}

#backTop{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;
  height:48px;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  border:none;
  cursor:pointer;
  font-size:20px;
  display:none;
  z-index:999;
  box-shadow:0 8px 24px rgba(43,108,176,.42);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),filter .3s var(--ease);
}

#backTop:hover{
  transform:translateY(-4px) scale(1.06);
  box-shadow:0 14px 32px rgba(43,108,176,.55);
  filter:brightness(1.08);
}

#backTop:active{
  transform:translateY(0) scale(.95);
}

.article-item{
  position:relative;
  border-bottom:1px dashed var(--border);
  padding:16px 16px 16px 20px;
  border-radius:var(--radius-sm);
  transition:background .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}

.article-item::before{
  content:"";
  position:absolute;
  left:0;
  top:18px;
  bottom:18px;
  width:3px;
  border-radius:3px;
  background:var(--grad-brand);
  opacity:0;
  transform:scaleY(.4);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}

.article-item:hover{
  background:rgba(66,153,225,.08);
  transform:translateX(4px);
  box-shadow:var(--shadow-sm);
}

.article-item:hover::before{
  opacity:1;
  transform:scaleY(1);
}

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

.article-item .meta{
  font-size:13px;
  color:var(--muted);
  margin-bottom:6px;
  letter-spacing:.3px;
}

.article-item h4{
  margin:0 0 6px;
}

.article-item h4 a{
  color:var(--brand);
  transition:color .25s var(--ease);
}

.article-item h4 a:hover{
  color:var(--brand-2);
  text-decoration:none;
}

body.dark .article-item h4 a{
  color:var(--brand-3);
}

.article-item p{
  margin-bottom:0;
  font-size:15px;
}

section#contact .card h3{
  color:var(--brand);
}

body.dark section#contact .card h3{
  color:var(--brand-3);
}

section#sitemap ul,
section#links ul{
  list-style:none;
  margin-left:0;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:8px 18px;
}

section#sitemap li,
section#links li{
  margin-bottom:0;
}

section#sitemap li a,
section#links li a{
  display:inline-block;
  padding:6px 12px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--border);
  font-size:14px;
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}

section#sitemap li a:hover,
section#links li a:hover{
  transform:translateY(-2px);
  background:var(--grad-brand);
  color:#fff;
  border-color:transparent;
  text-decoration:none;
  box-shadow:0 8px 20px rgba(43,108,176,.32);
}

section#privacy,
section#disclaimer,
section#copyright{
  background:var(--surface);
  backdrop-filter:blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(160%);
  border:1px solid rgba(255,255,255,.55);
  border-radius:var(--radius-lg);
  padding:24px 26px;
  box-shadow:var(--shadow-sm);
}

body.dark section#privacy,
body.dark section#disclaimer,
body.dark section#copyright{
  border-color:rgba(74,85,104,.6);
}

section#howto ol{
  counter-reset:howto;
  list-style:none;
  margin-left:0;
}

section#howto ol li{
  position:relative;
  padding-left:44px;
  margin-bottom:12px;
  counter-increment:howto;
}

section#howto ol li::before{
  content:counter(howto);
  position:absolute;
  left:0;
  top:2px;
  width:28px;
  height:28px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  font-size:14px;
  font-weight:600;
  box-shadow:0 4px 12px rgba(43,108,176,.3);
}

section#howto ul li{
  position:relative;
  padding-left:22px;
  list-style:none;
}

section#howto ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:12px;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--grad-accent);
  transform:rotate(45deg);
}

@media(max-width:900px){
  .banner h1{
    font-size:30px;
  }
  .banner p{
    font-size:16px;
  }
  h2{
    font-size:23px;
  }
}

@media(max-width:760px){
  body{
    font-size:15px;
  }
  .topbar{
    padding:10px 14px;
    gap:8px;
  }
  nav{
    order:3;
    width:100%;
  }
  nav ul{
    display:none;
    flex-direction:column;
    width:100%;
    gap:4px;
    padding:10px 0 6px;
    border-top:1px solid var(--border);
    margin-top:6px;
  }
  nav ul.open{
    display:flex;
    animation:fade .35s var(--ease);
  }
  nav a{
    display:block;
    width:100%;
    padding:10px 14px;
    border-radius:var(--radius-sm);
  }
  nav a::after{
    display:none;
  }
  .menu-toggle{
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .tools{
    flex:1;
    justify-content:flex-end;
  }
  .tools input{
    width:110px;
    padding:7px 12px;
  }
  .tools input:focus{
    width:150px;
  }
  .tools button{
    padding:7px 12px;
  }
  .banner{
    padding:52px 16px 48px;
    border-bottom-left-radius:26px;
    border-bottom-right-radius:26px;
  }
  .banner h1{
    font-size:23px;
    letter-spacing:.5px;
  }
  .banner p{
    font-size:15px;
  }
  main{
    padding:24px 14px 6px;
  }
  section{
    margin-bottom:36px;
    scroll-margin-top:74px;
  }
  h2{
    font-size:20px;
    padding-left:13px;
    margin-bottom:14px;
  }
  h3{
    font-size:17px;
  }
  .grid{
    gap:14px;
    grid-template-columns:1fr;
  }
  .card{
    padding:18px;
    border-radius:var(--radius);
  }
  .stats{
    gap:18px;
    padding:22px 14px;
  }
  .stat{
    min-width:100px;
  }
  .stat .num{
    font-size:26px;
  }
  .breadcrumb{
    font-size:13px;
    padding:8px 14px;
  }
  footer{
    padding:34px 16px 18px;
    border-top-left-radius:24px;
    border-top-right-radius:24px;
  }
  .copyright{
    margin-top:20px;
  }
  #backTop{
    right:16px;
    bottom:16px;
    width:42px;
    height:42px;
    font-size:18px;
  }
  section#sitemap ul,
  section#links ul{
    grid-template-columns:1fr 1fr;
    gap:8px;
  }
  section#privacy,
  section#disclaimer,
  section#copyright{
    padding:18px;
    border-radius:var(--radius);
  }
}

@media(max-width:420px){
  .banner h1{
    font-size:20px;
  }
  .logo{
    font-size:19px;
  }
  .logo svg{
    width:26px;
    height:26px;
  }
  .tools input{
    width:90px;
  }
  .tools input:focus{
    width:120px;
  }
  .stat .num{
    font-size:22px;
  }
  section#sitemap ul,
  section#links ul{
    grid-template-columns:1fr;
  }
}

@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{
  header,
  footer,
  #backTop,
  .banner-dots,
  .tools,
  .menu-toggle{
    display:none !important;
  }
  body{
    background:#fff;
    color:#000;
  }
  .banner{
    background:#2b6cb0;
    color:#fff;
    border-radius:0;
    box-shadow:none;
  }
  .card,
  .stats,
  section#privacy,
  section#disclaimer,
  section#copyright{
    box-shadow:none;
    border:1px solid #ccc;
    background:#fff;
  }
  a{
    color:#000;
    text-decoration:underline;
  }
}