:root{
  --pink:#ff6b9d;
  --pink-dark:#e0508a;
  --pink-light:#ffe3ee;
  --purple:#a06bff;
  --blue:#5b8def;
  --bg:#fffafc;
  --bg-alt:#fff5f9;
  --text:#2b2b2b;
  --muted:#6b6b6b;
  --line:#f0d9e3;
  --card:#ffffff;
  --card-glass:rgba(255,255,255,.72);
  --glass-border:rgba(255,255,255,.55);
  --shadow:0 4px 18px rgba(255,107,157,.12);
  --shadow-hover:0 14px 40px rgba(255,107,157,.24);
  --radius:18px;
  --radius-sm:12px;
  --grad-hero:linear-gradient(135deg,#ffe3ee 0%,#fff5f9 45%,#f3e3ff 100%);
  --grad-btn:linear-gradient(135deg,#ff6b9d 0%,#e0508a 100%);
  --grad-accent:linear-gradient(135deg,#ff6b9d 0%,#a06bff 100%);
  --ease:cubic-bezier(.22,.61,.36,1);
}

html[data-theme="dark"]{
  --bg:#1a1418;
  --bg-alt:#211820;
  --text:#f2e9ee;
  --muted:#b9a8b1;
  --line:#3a2a33;
  --card:#241b20;
  --card-glass:rgba(36,27,32,.72);
  --glass-border:rgba(255,255,255,.08);
  --shadow:0 4px 18px rgba(0,0,0,.4);
  --shadow-hover:0 14px 40px rgba(0,0,0,.55);
  --grad-hero:linear-gradient(135deg,#3a2230 0%,#241b20 50%,#2a1f38 100%);
}

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

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

body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.85;
  font-size:16px;
  transition:background .35s var(--ease),color .35s var(--ease);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(circle at 12% 8%,rgba(255,107,157,.10),transparent 42%),
    radial-gradient(circle at 88% 22%,rgba(160,107,255,.10),transparent 45%),
    radial-gradient(circle at 50% 95%,rgba(91,141,239,.08),transparent 50%);
  pointer-events:none;
  transition:opacity .35s var(--ease);
}

html[data-theme="dark"] body::before{opacity:.55}

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

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

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

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--pink),var(--purple));border-radius:10px;border:2px solid var(--bg)}

.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* ============ HEADER ============ */
header.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  backdrop-filter:blur(18px) saturate(180%);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 20px rgba(255,107,157,.08);
  transition:background .35s var(--ease),border-color .35s var(--ease);
}

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

.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:20px;
  color:var(--pink-dark);
  letter-spacing:.5px;
  transition:transform .3s var(--ease);
}
.logo:hover{text-decoration:none;transform:scale(1.04)}
.logo svg{
  width:38px;
  height:38px;
  border-radius:12px;
  box-shadow:0 4px 14px rgba(255,107,157,.35);
  transition:box-shadow .3s var(--ease),transform .3s var(--ease);
}
.logo:hover svg{box-shadow:0 6px 22px rgba(255,107,157,.55);transform:rotate(-6deg)}

nav.main-nav ul{display:flex;gap:6px;list-style:none;flex-wrap:wrap}
nav.main-nav a{
  color:var(--text);
  font-size:15px;
  padding:6px 12px;
  border-radius:14px;
  position:relative;
  transition:color .25s var(--ease),background .25s var(--ease);
}
nav.main-nav a:hover{
  color:var(--pink-dark);
  background:var(--pink-light);
  text-decoration:none;
}
html[data-theme="dark"] nav.main-nav a:hover{background:#3a2230}

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

.search-box{
  display:flex;
  align-items:center;
  border:1px solid var(--line);
  border-radius:22px;
  padding:4px 6px 4px 14px;
  background:var(--bg);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.search-box:focus-within{
  border-color:var(--pink);
  box-shadow:0 0 0 4px rgba(255,107,157,.15);
  background:var(--card);
}
.search-box input{
  border:none;
  outline:none;
  background:transparent;
  color:var(--text);
  width:130px;
  font-size:14px;
  font-family:inherit;
}
.search-box input::placeholder{color:var(--muted)}
.search-box button{
  border:none;
  background:var(--grad-btn);
  cursor:pointer;
  color:#fff;
  font-size:13px;
  font-family:inherit;
  padding:5px 14px;
  border-radius:16px;
  transition:filter .25s var(--ease),transform .25s var(--ease);
}
.search-box button:hover{filter:brightness(1.08);transform:translateY(-1px)}
.search-box button:active{transform:translateY(0) scale(.97)}

.theme-toggle,.menu-toggle{
  border:1px solid var(--line);
  background:var(--card);
  color:var(--text);
  border-radius:20px;
  padding:6px 14px;
  cursor:pointer;
  font-size:14px;
  font-family:inherit;
  white-space:nowrap;
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.theme-toggle:hover,.menu-toggle:hover{
  border-color:var(--pink);
  color:var(--pink-dark);
  transform:translateY(-1px);
  box-shadow:0 4px 14px rgba(255,107,157,.18);
}
.menu-toggle{display:none}

/* ============ BREADCRUMB ============ */
.breadcrumb{
  font-size:14px;
  color:var(--muted);
  padding:16px 0 6px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--pink-dark)}

/* ============ HERO ============ */
.hero{
  background:var(--grad-hero);
  border-radius:24px;
  padding:48px 40px;
  margin:12px 0 32px;
  position:relative;
  overflow:hidden;
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.hero::before{
  content:"";
  position:absolute;
  width:320px;
  height:320px;
  top:-140px;
  right:-80px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,157,.35),transparent 70%);
  filter:blur(10px);
  animation:floatBlob 9s ease-in-out infinite;
}
.hero::after{
  content:"";
  position:absolute;
  width:260px;
  height:260px;
  bottom:-120px;
  left:-60px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(160,107,255,.28),transparent 70%);
  filter:blur(10px);
  animation:floatBlob 11s ease-in-out infinite reverse;
}
@keyframes floatBlob{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(-18px,22px) scale(1.08)}
}

.hero h1{
  font-size:32px;
  line-height:1.4;
  margin-bottom:16px;
  color:var(--text);
  position:relative;
  z-index:1;
  letter-spacing:.5px;
}
.hero h1 span{
  background:var(--grad-accent);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:transparent;
}
.hero p{
  color:var(--muted);
  max-width:760px;
  margin-bottom:22px;
  position:relative;
  z-index:1;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

.btn{
  display:inline-block;
  padding:11px 26px;
  border-radius:26px;
  background:var(--grad-btn);
  color:#fff;
  font-size:15px;
  border:none;
  cursor:pointer;
  font-family:inherit;
  box-shadow:0 6px 20px rgba(255,107,157,.35);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),filter .3s var(--ease);
}
.btn:hover{
  background:var(--grad-btn);
  color:#fff;
  text-decoration:none;
  transform:translateY(-3px);
  box-shadow:0 12px 30px rgba(255,107,157,.5);
  filter:brightness(1.05);
}
.btn:active{transform:translateY(-1px) scale(.98)}
.btn.ghost{
  background:transparent;
  color:var(--pink-dark);
  border:1.5px solid var(--pink);
  box-shadow:none;
}
.btn.ghost:hover{
  background:rgba(255,107,157,.1);
  box-shadow:0 8px 24px rgba(255,107,157,.2);
  color:var(--pink-dark);
}

.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;position:relative;z-index:1}
.tag{
  font-size:13px;
  padding:5px 14px;
  border-radius:16px;
  background:rgba(255,255,255,.7);
  color:var(--pink-dark);
  border:1px solid rgba(255,107,157,.25);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  transition:transform .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
html[data-theme="dark"] .tag{background:rgba(58,34,48,.7);border-color:rgba(255,107,157,.3)}
.tag:hover{
  transform:translateY(-2px);
  background:var(--pink);
  color:#fff;
  box-shadow:0 6px 16px rgba(255,107,157,.4);
}

/* ============ CAROUSEL ============ */
.carousel{
  position:relative;
  height:230px;
  border-radius:20px;
  overflow:hidden;
  margin-bottom:44px;
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow);
  transition:box-shadow .35s var(--ease);
}
.carousel:hover{box-shadow:var(--shadow-hover)}

.slide{
  position:absolute;
  inset:0;
  opacity:0;
  transform:scale(1.02);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
  display:flex;
  align-items:center;
  padding:0 48px;
  gap:28px;
  pointer-events:none;
}
.slide.active{opacity:1;transform:scale(1);pointer-events:auto}
.slide h2{font-size:23px;margin-bottom:10px;color:var(--text)}
.slide p{color:var(--muted);font-size:15px}
.slide svg{
  width:150px;
  height:150px;
  flex-shrink:0;
  filter:drop-shadow(0 8px 20px rgba(255,107,157,.2));
  transition:transform .5s var(--ease);
}
.slide.active svg{animation:popIn .7s var(--ease)}
@keyframes popIn{
  0%{transform:scale(.85) rotate(-4deg);opacity:.4}
  100%{transform:scale(1) rotate(0);opacity:1}
}

.carousel-dots{
  position:absolute;
  bottom:16px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:9px;
  z-index:2;
}
.carousel-dots button{
  width:9px;
  height:9px;
  border-radius:50%;
  border:none;
  background:#e6c6d4;
  cursor:pointer;
  padding:0;
  transition:width .35s var(--ease),background .35s var(--ease);
}
.carousel-dots button.active{background:var(--pink);width:26px;border-radius:6px}

/* ============ SECTIONS ============ */
section{margin-bottom:56px;scroll-margin-top:90px}

section h2{
  font-size:25px;
  margin-bottom:10px;
  color:var(--text);
  padding-left:16px;
  position:relative;
  letter-spacing:.4px;
}
section h2::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:6px;
  height:26px;
  border-radius:4px;
  background:var(--grad-accent);
}
section h2 .en{
  font-size:13px;
  color:var(--muted);
  font-weight:400;
  margin-left:10px;
  letter-spacing:1px;
  text-transform:uppercase;
}
section h3{font-size:19px;margin:26px 0 12px;color:var(--pink-dark)}
section h4{font-size:16px;margin:18px 0 8px;color:var(--text)}
section p{color:var(--text);margin-bottom:14px}
.section-lead{color:var(--muted);margin-bottom:22px;font-size:15.5px}

/* ============ GRID & CARD ============ */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.card::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(255,107,157,.08),transparent 55%);
  opacity:0;
  transition:opacity .35s var(--ease);
  pointer-events:none;
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,107,157,.35);
}
.card:hover::before{opacity:1}
.card h3{margin-top:0;color:var(--pink-dark);position:relative}
.card h4{position:relative}
.card p{font-size:15px;color:var(--muted);position:relative;margin-bottom:0}
.card p + p{margin-top:10px}

/* ============ STATS ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.stats > div{
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:28px 16px;
  box-shadow:var(--shadow);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.stats > div:hover{transform:translateY(-5px) scale(1.02);box-shadow:var(--shadow-hover)}
.stat-num{
  font-size:36px;
  font-weight:700;
  background:var(--grad-accent);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:transparent;
  line-height:1.2;
}
.stat-label{color:var(--muted);font-size:14px;margin-top:4px}

/* ============ ARTICLE ============ */
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.article-item{
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.article-item::after{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:4px;
  background:var(--grad-accent);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .4s var(--ease);
}
.article-item:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,107,157,.35);
}
.article-item:hover::after{transform:scaleY(1)}
.article-item h3{margin-top:0;font-size:17px;color:var(--text);transition:color .25s var(--ease)}
.article-item:hover h3{color:var(--pink-dark)}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:10px}
.article-item p{font-size:15px;color:var(--muted)}
.read-more{
  font-size:14px;
  font-weight:600;
  display:inline-block;
  transition:transform .25s var(--ease),color .25s var(--ease);
}
.read-more:hover{transform:translateX(4px);text-decoration:none}

/* ============ FAQ ============ */
.faq-item{
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:14px;
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.faq-item:hover{border-color:rgba(255,107,157,.4);box-shadow:0 6px 20px rgba(255,107,157,.1)}
.faq-item.open{
  border-color:var(--pink);
  box-shadow:0 8px 28px rgba(255,107,157,.16);
  background:var(--card);
}
.faq-q{
  width:100%;
  text-align:left;
  padding:17px 22px;
  background:transparent;
  border:none;
  cursor:pointer;
  font-size:16px;
  font-family:inherit;
  color:var(--text);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--pink-dark)}
.faq-q .arrow{
  color:var(--pink-dark);
  transition:transform .35s var(--ease);
  flex-shrink:0;
  font-size:14px;
}
.faq-item.open .arrow{transform:rotate(180deg)}
.faq-item.open .faq-q{color:var(--pink-dark)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .45s var(--ease),padding .45s var(--ease);
  padding:0 22px;
  color:var(--muted);
  font-size:15px;
}
.faq-a p{color:var(--muted);margin-bottom:0}
.faq-item.open .faq-a{max-height:500px;padding:0 22px 20px}

/* ============ HOWTO ============ */
.howto-step{
  display:flex;
  gap:18px;
  margin-bottom:22px;
  padding:18px 20px;
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.howto-step:hover{
  transform:translateX(6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,107,157,.35);
}
.howto-num{
  flex-shrink:0;
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--grad-btn);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:17px;
  box-shadow:0 5px 16px rgba(255,107,157,.4);
  transition:transform .3s var(--ease);
}
.howto-step:hover .howto-num{transform:rotate(-8deg) scale(1.08)}
.howto-step h3{margin:0 0 6px;font-size:17px;color:var(--text)}
.howto-step p{font-size:15px;color:var(--muted);margin-bottom:0}

/* ============ CONTACT ============ */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.contact-item{
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  border-radius:14px;
  padding:20px;
  box-shadow:var(--shadow);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.contact-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,107,157,.35);
}
.contact-item strong{display:block;margin-bottom:6px;color:var(--pink-dark);font-size:14px;letter-spacing:.5px}

/* ============ TIMELINE ============ */
.timeline{
  border-left:3px solid transparent;
  border-image:linear-gradient(180deg,var(--pink),var(--purple)) 1;
  padding-left:24px;
  margin-top:8px;
}
.timeline-item{margin-bottom:24px;position:relative}
.timeline-item::before{
  content:"";
  position:absolute;
  left:-31px;
  top:8px;
  width:13px;
  height:13px;
  border-radius:50%;
  background:var(--grad-btn);
  box-shadow:0 0 0 4px rgba(255,107,157,.18);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.timeline-item:hover::before{transform:scale(1.25);box-shadow:0 0 0 7px rgba(255,107,157,.22)}
.timeline-item h4{margin:0 0 4px;color:var(--text)}
.timeline-item p{font-size:15px;color:var(--muted);margin-bottom:0}

/* ============ ANCHOR NAV ============ */
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.anchor-nav a{
  font-size:14px;
  padding:7px 16px;
  border:1px solid var(--line);
  border-radius:18px;
  color:var(--text);
  background:var(--card-glass);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.anchor-nav a:hover{
  border-color:var(--pink);
  color:#fff;
  background:var(--grad-btn);
  text-decoration:none;
  transform:translateY(-2px);
  box-shadow:0 6px 18px rgba(255,107,157,.3);
}

/* ============ FOOTER ============ */
footer.site-footer{
  background:linear-gradient(160deg,#2b2230 0%,#1f1823 100%);
  color:#e9dbe3;
  padding:48px 0 24px;
  margin-top:50px;
  position:relative;
  overflow:hidden;
}
footer.site-footer::before{
  content:"";
  position:absolute;
  top:-120px;
  right:-100px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,157,.18),transparent 70%);
  pointer-events:none;
}
html[data-theme="dark"] footer.site-footer{background:linear-gradient(160deg,#120d10 0%,#0d090b 100%)}
footer.site-footer a{color:#f3c6d8;transition:color .25s var(--ease)}
footer.site-footer a:hover{color:#fff;text-decoration:none}

.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-bottom:28px;position:relative}
footer h4{color:#fff;margin-bottom:14px;font-size:16px;letter-spacing:.5px}
footer ul{list-style:none}
footer li{margin-bottom:9px;font-size:14px;color:#c9b8c2;transition:transform .25s var(--ease),color .25s var(--ease)}
footer li:hover{transform:translateX(3px);color:#f3c6d8}

.footer-bottom{
  border-top:1px solid #4a3a44;
  padding-top:20px;
  font-size:13px;
  color:#b9a8b1;
  text-align:center;
  position:relative;
}
.footer-bottom p{margin-bottom:6px}
.footer-bottom p:last-child{margin-bottom:0}

/* ============ BACK TO TOP ============ */
.back-to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;
  height:48px;
  border-radius:50%;
  background:var(--grad-btn);
  color:#fff;
  border:none;
  cursor:pointer;
  font-size:20px;
  box-shadow:0 8px 24px rgba(255,107,157,.45);
  opacity:0;
  pointer-events:none;
  transform:translateY(16px) scale(.9);
  transition:opacity .35s var(--ease),transform .35s var(--ease),box-shadow .35s var(--ease);
  z-index:99;
}
.back-to-top.show{opacity:1;pointer-events:auto;transform:translateY(0) scale(1)}
.back-to-top:hover{box-shadow:0 12px 32px rgba(255,107,157,.6);transform:translateY(-3px) scale(1.06)}
.back-to-top:active{transform:translateY(0) scale(.96)}

/* ============ REVEAL ANIMATION ============ */
.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
  will-change:opacity,transform;
}
.reveal.visible{opacity:1;transform:none}

/* ============ RESPONSIVE ============ */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:28px}
}

@media(max-width:900px){
  .grid-3,.grid-4,.stats,.article-list,.contact-grid,.footer-grid{grid-template-columns:1fr 1fr}
  .hero{padding:38px 28px}
  .slide{padding:0 32px}
}

@media(max-width:768px){
  .header-inner{gap:10px}
  .search-box input{width:100px}
  .carousel{height:210px}
  .slide h2{font-size:19px}
  .slide svg{width:110px;height:110px}
}

@media(max-width:640px){
  body{font-size:15.5px}
  .grid-3,.grid-4,.grid-2,.stats,.article-list,.contact-grid,.footer-grid{grid-template-columns:1fr}
  nav.main-nav{display:none}
  nav.main-nav.open{
    display:block;
    width:100%;
    animation:fadeSlide .35s var(--ease);
  }
  nav.main-nav.open ul{flex-direction:column;gap:4px;padding:10px 0 6px}
  nav.main-nav.open a{display:block;padding:10px 14px}
  @keyframes fadeSlide{
    from{opacity:0;transform:translateY(-10px)}
    to{opacity:1;transform:translateY(0)}
  }
  .menu-toggle{display:block}
  .search-box input{width:80px}
  .header-tools{flex-wrap:wrap}
  .hero{padding:30px 20px;border-radius:20px}
  .hero h1{font-size:23px}
  .hero p{font-size:15px}
  .btn{padding:10px 20px;font-size:14px}
  .carousel{height:auto;min-height:250px;padding:24px 0}
  .slide{
    position:relative;
    opacity:0;
    display:none;
    flex-direction:column;
    text-align:center;
    padding:0 24px;
    gap:16px;
  }
  .slide.active{display:flex;opacity:1;animation:fadeSlide .5s var(--ease)}
  .slide svg{width:100px;height:100px;margin:0 auto}
  .slide h2{font-size:18px}
  .slide p{font-size:14px}
  .carousel-dots{bottom:10px}
  section h2{font-size:21px}
  section h2 .en{display:block;margin-left:0;margin-top:2px}
  .card,.article-item{padding:20px}
  .howto-step{flex-direction:row;padding:16px}
  .howto-num{width:34px;height:34px;font-size:15px}
  .footer-grid{gap:22px}
  .back-to-top{right:16px;bottom:16px;width:44px;height:44px}
}

@media(max-width:400px){
  .hero h1{font-size:20px}
  .search-box input{width:64px}
  .theme-toggle,.menu-toggle{padding:6px 10px;font-size:13px}
}

/* ============ REDUCED MOTION ============ */
@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}
}

/* ============ PRINT ============ */
@media print{
  header.site-header,.back-to-top,.carousel,.hero-actions,.search-box,.theme-toggle,.menu-toggle{display:none !important}
  body{background:#fff;color:#000}
  .card,.article-item,.faq-item{box-shadow:none;border:1px solid #ccc;background:#fff}
  a{color:#000;text-decoration:underline}
}