:root{
  --bg:#f4f6fb;
  --bg-soft:#ffffff;
  --bg-glass:rgba(255,255,255,.72);
  --text:#1c2030;
  --text-soft:#5a6274;
  --primary:#1a1a2e;
  --accent:#e94560;
  --accent-2:#533483;
  --accent-3:#0f3460;
  --grad:linear-gradient(135deg,#1a1a2e 0%,#533483 55%,#e94560 100%);
  --grad-soft:linear-gradient(135deg,rgba(83,52,131,.12),rgba(233,69,96,.12));
  --border:rgba(28,32,48,.1);
  --shadow:0 10px 30px rgba(26,26,46,.08);
  --shadow-hover:0 18px 44px rgba(233,69,96,.18);
  --radius:18px;
  --radius-sm:12px;
  --glass-blur:blur(14px);
  --transition:.3s cubic-bezier(.4,0,.2,1);
}

body.dark-mode{
  --bg:#0e1018;
  --bg-soft:#171a26;
  --bg-glass:rgba(23,26,38,.72);
  --text:#e8eaf0;
  --text-soft:#a3aab9;
  --primary:#0a0c12;
  --border:rgba(255,255,255,.1);
  --shadow:0 10px 30px rgba(0,0,0,.4);
  --shadow-hover:0 18px 44px rgba(233,69,96,.28);
}

*{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",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
  font-size:16px;
  transition:background var(--transition),color var(--transition);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(circle at 12% 8%,rgba(233,69,96,.1),transparent 40%),
    radial-gradient(circle at 88% 12%,rgba(83,52,131,.12),transparent 42%),
    radial-gradient(circle at 50% 100%,rgba(15,52,96,.08),transparent 45%);
  transition:opacity var(--transition);
}
body.dark-mode::before{opacity:.55;}

.visually-hidden{
  position:absolute;width:1px;height:1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
a{color:var(--accent);text-decoration:none;transition:color var(--transition);}
a:hover{text-decoration:underline;}
img,svg{max-width:100%;height:auto;display:block;}

#site-header{
  position:sticky;top:0;z-index:100;
  background:var(--bg-glass);
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--transition),background var(--transition);
}
#site-header.scrolled{box-shadow:0 6px 24px rgba(26,26,46,.12);}
.header-inner{
  max-width:1200px;margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.logo{
  display:flex;align-items:center;gap:10px;
  color:var(--text);font-weight:800;font-size:18px;letter-spacing:.5px;
}
.logo:hover{text-decoration:none;}
.logo svg{transition:transform var(--transition);}
.logo:hover svg{transform:rotate(-8deg) scale(1.06);}
.logo-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

#main-nav{flex:1;min-width:0;}
#main-nav ul{display:flex;flex-wrap:wrap;gap:2px 6px;list-style:none;}
#main-nav a{
  display:inline-block;color:var(--text-soft);font-size:14px;
  padding:6px 10px;border-radius:999px;position:relative;
  transition:color var(--transition),background var(--transition);
}
#main-nav a:hover{
  color:#fff;text-decoration:none;
  background:var(--grad);
  box-shadow:0 6px 16px rgba(233,69,96,.28);
}

.site-search{display:flex;gap:8px;align-items:center;}
.site-search input{
  padding:8px 14px;border:1px solid var(--border);border-radius:999px;
  background:var(--bg-soft);color:var(--text);font-size:14px;width:170px;
  transition:border-color var(--transition),box-shadow var(--transition),width var(--transition);
}
.site-search input:focus{
  outline:none;border-color:var(--accent);width:200px;
  box-shadow:0 0 0 3px rgba(233,69,96,.15);
}
.site-search button{
  padding:8px 18px;border:none;border-radius:999px;
  background:var(--grad);color:#fff;cursor:pointer;font-size:14px;font-weight:600;
  transition:transform var(--transition),box-shadow var(--transition);
}
.site-search button:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(233,69,96,.35);
}

#menu-toggle,#theme-toggle{
  display:none;background:var(--bg-soft);border:1px solid var(--border);
  border-radius:10px;padding:6px 11px;cursor:pointer;font-size:17px;color:var(--text);
  transition:background var(--transition),transform var(--transition);
}
#menu-toggle:hover,#theme-toggle:hover{background:var(--grad-soft);transform:scale(1.06);}
#theme-toggle{display:inline-block;}

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

.breadcrumb{padding:18px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;list-style:none;gap:8px;font-size:13px;color:var(--text-soft);}
.breadcrumb li+li::before{content:"›";margin-right:8px;color:var(--border);font-weight:700;}
.breadcrumb a{color:var(--text-soft);}
.breadcrumb a:hover{color:var(--accent);}

#hero{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:44px;
  padding:56px 40px;margin-top:24px;border-radius:28px;
  background:var(--grad);
  overflow:hidden;
  box-shadow:0 24px 60px rgba(83,52,131,.28);
}
#hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 85% 15%,rgba(255,255,255,.18),transparent 45%),
    radial-gradient(circle at 10% 90%,rgba(233,69,96,.35),transparent 50%);
  pointer-events:none;
}
#hero::after{
  content:"";position:absolute;top:-40%;right:-10%;width:420px;height:420px;
  border-radius:50%;border:2px solid rgba(255,255,255,.12);
  animation:heroFloat 12s ease-in-out infinite;
  pointer-events:none;
}
@keyframes heroFloat{
  0%,100%{transform:translate(0,0) scale(1);}
  50%{transform:translate(-30px,30px) scale(1.08);}
}
.hero-text{flex:1;min-width:280px;position:relative;z-index:2;}
.hero-text h1{
  font-size:clamp(24px,3.4vw,36px);line-height:1.35;
  color:#fff;margin-bottom:18px;letter-spacing:.5px;
  text-shadow:0 2px 18px rgba(0,0,0,.2);
}
.hero-lead{
  color:rgba(255,255,255,.88);font-size:16px;max-width:640px;
  transition:opacity .3s;
}
.hero-actions{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap;}
.btn-primary,.btn-secondary{
  display:inline-block;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.5px;
  transition:transform var(--transition),box-shadow var(--transition),background var(--transition),color var(--transition);
}
.btn-primary{
  background:#fff;color:#1a1a2e;
  box-shadow:0 10px 26px rgba(0,0,0,.22);
}
.btn-primary:hover{
  text-decoration:none;transform:translateY(-3px);
  box-shadow:0 16px 34px rgba(0,0,0,.3);
}
.btn-secondary{
  background:rgba(255,255,255,.14);color:#fff;
  border:1px solid rgba(255,255,255,.4);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.btn-secondary:hover{
  text-decoration:none;transform:translateY(-3px);
  background:rgba(255,255,255,.24);
}
.hero-visual{flex:0 0 auto;position:relative;z-index:2;}
.hero-visual svg{
  filter:drop-shadow(0 18px 40px rgba(0,0,0,.35));
  animation:visualFloat 6s ease-in-out infinite;
}
@keyframes visualFloat{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-12px);}
}

#stats{padding:40px 0 36px;border-top:none;}
.stats-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;
}
.stat-item{
  position:relative;
  background:var(--bg-glass);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 18px;text-align:center;
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.stat-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);opacity:0;transition:opacity var(--transition);
}
.stat-item:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(233,69,96,.35);
}
.stat-item:hover::before{opacity:1;}
.stat-num{
  display:block;font-size:30px;font-weight:800;line-height:1.2;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.stat-label{display:block;font-size:13px;color:var(--text-soft);margin-top:6px;}

section{
  padding:40px 0;border-top:1px solid var(--border);
  opacity:0;transform:translateY(24px);
  transition:opacity .7s ease,transform .7s ease;
}
section.revealed{opacity:1;transform:none;}
#hero,#stats{border-top:none;opacity:1;transform:none;}

h2{
  font-size:clamp(20px,2.4vw,27px);margin-bottom:18px;line-height:1.4;
  color:var(--text);position:relative;padding-left:16px;
}
h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:5px;
  border-radius:4px;background:var(--grad);
}
h3{
  font-size:18px;margin:24px 0 10px;color:var(--text);
  padding-left:12px;border-left:3px solid var(--accent);
  line-height:1.5;
}
h4{font-size:16px;margin:16px 0 8px;color:var(--text-soft);}
p{margin-bottom:14px;color:var(--text-soft);}
ul,ol{margin:0 0 16px 22px;color:var(--text-soft);}
li{margin-bottom:7px;}
li::marker{color:var(--accent);}

blockquote{
  position:relative;
  border-left:4px solid var(--accent);
  background:var(--grad-soft);
  padding:14px 18px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  margin:14px 0;
  transition:transform var(--transition),box-shadow var(--transition);
}
blockquote:hover{
  transform:translateX(4px);
  box-shadow:var(--shadow);
}
blockquote p{margin:0;font-style:italic;color:var(--text);}

.news-list{list-style:none;margin-left:0;}
.news-list li{
  position:relative;
  padding:14px 16px 14px 20px;margin-bottom:10px;
  background:var(--bg-soft);
  border:1px solid var(--border);border-radius:var(--radius-sm);
  font-size:15px;color:var(--text-soft);
  transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition);
}
.news-list li::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  border-radius:4px 0 0 4px;background:var(--grad);
  opacity:0;transition:opacity var(--transition);
}
.news-list li:hover{
  transform:translateX(6px);
  border-color:rgba(233,69,96,.35);
  box-shadow:var(--shadow);
}
.news-list li:hover::before{opacity:1;}
.news-list time{
  display:inline-block;
  color:#fff;font-weight:700;font-size:12px;
  background:var(--grad);border-radius:999px;
  padding:2px 10px;margin-right:12px;
}

article{
  position:relative;
  background:var(--bg-soft);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 24px;margin-bottom:18px;
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
article::after{
  content:"";position:absolute;top:0;right:0;width:120px;height:120px;
  background:var(--grad-soft);border-radius:50%;
  transform:translate(40%,-40%);
  transition:transform .5s ease;
  pointer-events:none;
}
article:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(233,69,96,.3);
}
article:hover::after{transform:translate(30%,-30%) scale(1.25);}
article h3{margin-top:0;font-size:17px;border-left:none;padding-left:0;}
article h3::before{content:"◆ ";color:var(--accent);font-size:12px;vertical-align:middle;}
.meta{font-size:13px;color:var(--text-soft);margin-bottom:10px;}
.meta time{color:var(--accent);font-weight:600;}
article > a{
  display:inline-block;margin-top:6px;font-weight:700;font-size:14px;
  padding:6px 16px;border-radius:999px;
  border:1px solid var(--accent);color:var(--accent);
  transition:background var(--transition),color var(--transition),transform var(--transition);
}
article > a:hover{
  text-decoration:none;background:var(--accent);color:#fff;
  transform:translateX(4px);
}

details{
  background:var(--bg-soft);
  border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:16px 20px;margin-bottom:12px;
  transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);
}
details:hover{
  border-color:rgba(233,69,96,.35);
  box-shadow:var(--shadow);
}
details[open]{
  border-color:rgba(233,69,96,.4);
  background:var(--grad-soft);
}
details summary{
  cursor:pointer;font-weight:700;color:var(--text);font-size:15px;
  list-style:none;position:relative;padding-right:30px;
  transition:color var(--transition);
}
details summary:hover{color:var(--accent);}
details summary::-webkit-details-marker{display:none;}
details summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:24px;height:24px;line-height:22px;text-align:center;
  border-radius:50%;background:var(--grad);color:#fff;
  font-size:16px;font-weight:700;
  transition:transform var(--transition);
}
details[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);}
details p{margin-top:12px;margin-bottom:0;color:var(--text-soft);}

.contact-list,.sitemap-list,.friend-links{list-style:none;margin-left:0;}
.contact-list li{
  padding:10px 14px;margin-bottom:8px;
  background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-sm);
  transition:transform var(--transition),border-color var(--transition);
}
.contact-list li:hover{
  transform:translateX(5px);
  border-color:rgba(233,69,96,.35);
}
.sitemap-list,.friend-links{display:flex;flex-wrap:wrap;gap:10px 14px;}
.sitemap-list li,.friend-links li{margin-bottom:0;}
.sitemap-list a,.friend-links a{
  display:inline-block;padding:8px 18px;border-radius:999px;
  background:var(--bg-soft);border:1px solid var(--border);
  color:var(--text-soft);font-size:14px;
  transition:background var(--transition),color var(--transition),transform var(--transition),box-shadow var(--transition);
}
.sitemap-list a:hover,.friend-links a:hover{
  text-decoration:none;color:#fff;background:var(--grad);
  transform:translateY(-3px);
  box-shadow:0 8px 20px rgba(233,69,96,.3);
}

#site-footer{
  background:var(--primary);color:#c9cedb;
  margin-top:48px;padding:48px 20px 32px;
  position:relative;overflow:hidden;
}
#site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--grad);
}
body.dark-mode #site-footer{background:#080a10;}
.footer-inner{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1.2fr 1fr;gap:40px;
}
#site-footer h2{
  color:#fff;font-size:17px;margin-bottom:14px;padding-left:0;
}
#site-footer h2::before{display:none;}
#site-footer h3{color:#e8eaf0;font-size:15px;margin:16px 0 6px;border-left:none;padding-left:0;}
#site-footer p{color:#a9b0c0;font-size:14px;}
#site-footer a{color:#e94560;}
#site-footer a:hover{color:#ff6b82;}

#back-to-top{
  position:fixed;right:24px;bottom:24px;z-index:200;
  width:52px;height:52px;padding:0;
  background:var(--grad);color:#fff;border:none;border-radius:50%;
  font-size:12px;font-weight:700;line-height:1.15;cursor:pointer;
  opacity:0;visibility:hidden;
  transform:translateY(16px) scale(.9);
  box-shadow:0 10px 26px rgba(233,69,96,.45);
  transition:opacity var(--transition),visibility var(--transition),transform var(--transition),box-shadow var(--transition);
}
#back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0) scale(1);}
#back-to-top:hover{
  transform:translateY(-4px) scale(1.06);
  box-shadow:0 16px 34px rgba(233,69,96,.55);
}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,var(--accent-2),var(--accent));
  border-radius:999px;border:2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover{background:var(--accent);}

::selection{background:rgba(233,69,96,.28);color:var(--text);}

a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:3px solid rgba(233,69,96,.5);outline-offset:2px;border-radius:6px;
}

@media (max-width:1024px){
  #main-nav a{padding:5px 8px;font-size:13px;}
  .site-search input{width:140px;}
  .site-search input:focus{width:160px;}
}

@media (max-width:900px){
  .footer-inner{grid-template-columns:1fr;gap:28px;}
  .hero-visual{display:none;}
  #hero{padding:44px 28px;}
}

@media (max-width:820px){
  #menu-toggle{display:inline-block;}
  #main-nav{
    display:none;width:100%;flex-basis:100%;
    background:var(--bg-glass);
    -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
    border-radius:var(--radius-sm);
    padding:8px;
    animation:navDrop .3s ease;
  }
  @keyframes navDrop{
    from{opacity:0;transform:translateY(-8px);}
    to{opacity:1;transform:none;}
  }
  #main-nav.open{display:block;}
  #main-nav ul{flex-direction:column;gap:4px;}
  #main-nav a{display:block;padding:11px 14px;border-radius:var(--radius-sm);}
  .site-search{order:5;flex-basis:100%;}
  .site-search input{flex:1;width:auto;}
  .site-search input:focus{width:auto;}
  .header-inner{gap:10px;}
  .logo-text{font-size:16px;}
}

@media (max-width:600px){
  body{font-size:15px;}
  main{padding:0 14px;}
  #hero{padding:34px 20px;border-radius:20px;margin-top:16px;}
  .hero-text h1{font-size:22px;}
  .hero-lead{font-size:14px;}
  .hero-actions{gap:10px;}
  .btn-primary,.btn-secondary{padding:10px 20px;font-size:14px;}
  section{padding:30px 0;}
  h2{font-size:19px;padding-left:13px;}
  h3{font-size:16px;}
  .stat-num{font-size:24px;}
  .stat-item{padding:20px 14px;}
  article{padding:18px;border-radius:14px;}
  blockquote{padding:12px 14px;}
  .news-list li{padding:12px 12px 12px 16px;font-size:14px;}
  .news-list time{margin-right:8px;}
  #site-footer{padding:36px 16px 26px;}
  #back-to-top{right:16px;bottom:16px;width:46px;height:46px;font-size:11px;}
}

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

@media print{
  #site-header,#back-to-top,.site-search,#menu-toggle,#theme-toggle{display:none !important;}
  body{background:#fff;color:#000;}
  section{opacity:1;transform:none;border-top:1px solid #ccc;}
  #hero{background:#eee;box-shadow:none;}
  .hero-text h1,.hero-lead{color:#000;text-shadow:none;}
}