:root{
  --brand:#e8543f;
  --brand-2:#f2a03d;
  --brand-3:#c0392b;
  --ink:#1a1a2e;
  --ink-2:#2d2d44;
  --paper:#fbf8f4;
  --card:#ffffff;
  --muted:#6b6b7b;
  --line:#e8e2d8;
  --ok:#2f9e6e;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 8px 28px rgba(26,26,46,.08);
  --shadow-hover:0 16px 44px rgba(26,26,46,.16);
  --glass:rgba(255,255,255,.72);
  --glass-border:rgba(255,255,255,.5);
  --grad-hero:linear-gradient(135deg,#e8543f 0%,#f2a03d 55%,#f7c873 100%);
  --grad-brand:linear-gradient(135deg,var(--brand),var(--brand-2));
  --ease:cubic-bezier(.22,.61,.36,1);
}
html[data-theme="dark"]{
  --ink:#f4f1ea;
  --ink-2:#d9d5cc;
  --paper:#14141f;
  --card:#1d1d2b;
  --muted:#9a9aab;
  --line:#2e2e40;
  --shadow:0 8px 28px rgba(0,0,0,.4);
  --shadow-hover:0 16px 44px rgba(0,0,0,.55);
  --glass:rgba(29,29,43,.72);
  --glass-border:rgba(255,255,255,.08);
  --grad-hero:linear-gradient(135deg,#7a2e22 0%,#8a5a1e 55%,#4a3a1a 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",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition:background-color .35s var(--ease),color .35s var(--ease);
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .25s var(--ease)}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.35;color:var(--ink);font-weight:700;letter-spacing:-.2px}
h1{font-size:2rem;letter-spacing:-.6px}
h2{font-size:1.55rem;margin-bottom:.7em;position:relative;padding-left:16px}
h2::before{
  content:"";
  position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:3px;
  background:var(--grad-brand);
  box-shadow:0 0 12px rgba(232,84,63,.4);
}
h3{font-size:1.2rem;margin:1.2em 0 .5em;color:var(--ink-2)}
h4{font-size:1.02rem;margin:1em 0 .4em;color:var(--muted)}
p{margin:.7em 0;color:var(--ink-2)}
ul,ol{margin:.6em 0 .6em 1.4em;color:var(--ink-2)}
li{margin:.35em 0}
strong{color:var(--ink);font-weight:700}
blockquote{margin:0}
::selection{background:rgba(232,84,63,.22);color:var(--ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.skip{
  position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;
  padding:10px 16px;z-index:999;border-radius:0 0 8px 0;font-weight:600;
}
.skip:focus{left:8px;top:8px;border-radius:8px}
header.site{
  position:sticky;top:0;z-index:100;
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid var(--line);
  transition:background-color .35s var(--ease),border-color .35s var(--ease);
}
.nav{display:flex;align-items:center;gap:18px;height:66px}
.logo{
  display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;
  color:var(--ink);white-space:nowrap;letter-spacing:-.3px;
}
.logo:hover{text-decoration:none}
.logo .mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:1rem;font-weight:800;
  box-shadow:0 4px 14px rgba(232,84,63,.35);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.logo:hover .mark{transform:rotate(-6deg) scale(1.06);box-shadow:0 6px 20px rgba(232,84,63,.5)}
nav.main{display:flex;gap:2px;flex:1;flex-wrap:wrap}
nav.main a{
  padding:8px 12px;border-radius:8px;color:var(--ink-2);font-size:.94rem;
  position:relative;transition:background-color .25s var(--ease),color .25s var(--ease);
}
nav.main a:hover{background:var(--card);text-decoration:none;color:var(--brand)}
nav.main a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  border-radius:2px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
nav.main a:hover::after{transform:scaleX(1)}
.tools{display:flex;align-items:center;gap:8px}
.search{
  display:flex;align-items:center;background:var(--card);
  border:1px solid var(--line);border-radius:999px;
  padding:4px 6px 4px 14px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,84,63,.14)}
.search input{
  border:0;background:transparent;outline:0;color:var(--ink);
  width:130px;font-size:.9rem;font-family:inherit;padding:4px 0;
}
.search input::placeholder{color:var(--muted)}
.search button{
  border:0;background:var(--grad-brand);color:#fff;border-radius:999px;
  padding:5px 14px;cursor:pointer;font-size:.85rem;font-family:inherit;font-weight:600;
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.search button:hover{opacity:.9;transform:scale(1.04)}
.iconbtn{
  border:1px solid var(--line);background:var(--card);color:var(--ink);
  width:38px;height:38px;border-radius:10px;cursor:pointer;
  display:grid;place-items:center;font-size:1rem;font-family:inherit;
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.iconbtn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px)}
.iconbtn:active{transform:translateY(0) scale(.96)}
.menu-toggle{display:none}
.hero{
  padding:52px 0 34px;position:relative;overflow:hidden;
  background:radial-gradient(1200px 420px at 80% -10%,rgba(242,160,61,.16),transparent 60%),
             radial-gradient(900px 380px at 0% 0%,rgba(232,84,63,.12),transparent 55%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(232,84,63,.10) 1px,transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 70%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 70%);
  opacity:.7;
}
html[data-theme="dark"] .hero::before{opacity:.35}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(232,84,63,.1);color:var(--brand);
  padding:6px 14px;border-radius:999px;font-size:.82rem;font-weight:600;
  margin-bottom:18px;border:1px solid rgba(232,84,63,.16);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.eyebrow::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 3px rgba(232,84,63,.2);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(232,84,63,.2)}
  50%{box-shadow:0 0 0 6px rgba(232,84,63,.06)}
}
.hero h1{margin-bottom:16px}
.hero h1 .hl{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero .lead{font-size:1.05rem;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:10px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn.primary{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 6px 20px rgba(232,84,63,.32);
}
.btn.primary:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 12px 28px rgba(232,84,63,.42)}
.btn.ghost{
  background:var(--card);border-color:var(--line);color:var(--ink);
}
.btn.ghost:hover{text-decoration:none;transform:translateY(-2px);border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow)}
.btn:active{transform:translateY(0) scale(.98)}
.hero-art{position:relative}
.hero-art .card-art{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:18px;border:1px solid var(--glass-border);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.hero-art .card-art:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.stat{
  background:var(--glass);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.stat:hover{transform:translateY(-3px);border-color:rgba(232,84,63,.35);box-shadow:var(--shadow)}
.stat b{
  display:block;font-size:1.5rem;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.stat span{font-size:.8rem;color:var(--muted)}
.carousel{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);background:var(--card);
  transition:box-shadow .35s var(--ease),transform .35s var(--ease);
}
.carousel:hover{box-shadow:var(--shadow-hover)}
.slides{position:relative;min-height:250px}
.slide{
  position:absolute;inset:0;opacity:0;transition:opacity .7s var(--ease);
  padding:28px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;
}
.slide.active{opacity:1;position:relative}
.slide h3{color:#fff;margin:0 0 8px;font-size:1.18rem;text-shadow:0 2px 8px rgba(0,0,0,.18)}
.slide p{color:rgba(255,255,255,.92);margin:0;font-size:.9rem;text-shadow:0 1px 6px rgba(0,0,0,.15)}
.slide.s1{background:linear-gradient(135deg,#e8543f,#f2a03d)}
.slide.s2{background:linear-gradient(135deg,#2d2d44,#5b4b8a)}
.slide.s3{background:linear-gradient(135deg,#2f9e6e,#1f6f8b)}
.slide::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(400px 200px at 100% 0%,rgba(255,255,255,.18),transparent 70%);
}
.dots{display:flex;gap:8px;justify-content:center;padding:14px;position:relative;z-index:2}
.dots button{
  width:9px;height:9px;border-radius:50%;border:0;background:var(--line);
  cursor:pointer;padding:0;
  transition:background-color .3s var(--ease),width .3s var(--ease),border-radius .3s var(--ease);
}
.dots button:hover{background:var(--muted)}
.dots button.active{background:var(--brand);width:24px;border-radius:5px}
section.block{padding:48px 0;border-top:1px solid var(--line);position:relative}
section.block:first-of-type{border-top:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;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;left:0;top:0;right:0;height:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(232,84,63,.28)}
.card:hover::before{transform:scaleX(1)}
.card h3{margin-top:0}
.card p:last-child{margin-bottom:0}
.tag{
  display:inline-block;font-size:.75rem;background:rgba(232,84,63,.1);color:var(--brand);
  padding:3px 10px;border-radius:999px;margin-bottom:10px;font-weight:600;
  letter-spacing:.2px;
}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal:nth-child(2){transition-delay:.06s}
.reveal:nth-child(3){transition-delay:.12s}
.reveal:nth-child(4){transition-delay:.18s}
.article-card{display:flex;flex-direction:column;height:100%}
.article-card .meta{
  font-size:.78rem;color:var(--muted);margin-bottom:8px;
  display:flex;gap:10px;flex-wrap:wrap;
}
.article-card .meta span:first-child{
  color:var(--brand);font-weight:600;
}
.article-card h3{font-size:1.05rem;margin:0 0 8px;transition:color .25s var(--ease)}
.article-card:hover h3{color:var(--brand)}
.article-card p{font-size:.9rem;flex:1}
.article-card .more{
  font-size:.88rem;font-weight:600;margin-top:12px;display:inline-block;
  transition:transform .3s var(--ease),color .25s var(--ease);
}
.article-card .more:hover{transform:translateX(4px)}
.faq-item{
  border:1px solid var(--line);border-radius:12px;margin-bottom:10px;
  background:var(--card);overflow:hidden;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item:hover{border-color:rgba(232,84,63,.35)}
.faq-item.open{border-color:rgba(232,84,63,.45);box-shadow:var(--shadow)}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;
  padding:16px 18px;font-size:1rem;font-weight:600;color:var(--ink);
  cursor:pointer;display:flex;justify-content:space-between;gap:12px;
  font-family:inherit;align-items:center;
  transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q::after{
  content:"+";color:var(--brand);font-size:1.25rem;line-height:1;
  flex-shrink:0;transition:transform .35s var(--ease);
}
.faq-item.open .faq-q::after{content:"−";transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease),padding .4s var(--ease);padding:0 18px}
.faq-item.open .faq-a{max-height:560px;padding-bottom:16px}
.faq-a p{margin:0;font-size:.94rem;color:var(--ink-2)}
.steps{counter-reset:step;list-style:none;margin:0}
.steps li{
  counter-increment:step;position:relative;
  padding:14px 0 14px 54px;border-bottom:1px dashed var(--line);
  transition:padding-left .3s var(--ease);
}
.steps li:last-child{border-bottom:0}
.steps li:hover{padding-left:58px}
.steps li::before{
  content:counter(step);position:absolute;left:0;top:12px;
  width:34px;height:34px;border-radius:50%;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:.9rem;
  box-shadow:0 4px 12px rgba(232,84,63,.3);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.steps li:hover::before{transform:scale(1.1);box-shadow:0 6px 18px rgba(232,84,63,.45)}
.steps li strong{display:block;color:var(--ink);margin-bottom:2px}
table{
  width:100%;border-collapse:collapse;background:var(--card);
  border-radius:12px;overflow:hidden;font-size:.92rem;
  box-shadow:var(--shadow);
}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:rgba(232,84,63,.06);color:var(--ink);font-weight:700}
tbody tr{transition:background-color .25s var(--ease)}
tbody tr:hover{background:rgba(232,84,63,.04)}
tr:last-child td{border-bottom:0}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}
.contact-list{list-style:none;margin:0}
.contact-list li{
  padding:11px 0;border-bottom:1px dashed var(--line);
  display:flex;gap:12px;font-size:.95rem;
  transition:padding-left .3s var(--ease),color .25s var(--ease);
}
.contact-list li:hover{padding-left:6px}
.contact-list li:last-child{border-bottom:0}
.contact-list b{min-width:84px;color:var(--ink);flex-shrink:0}
footer.site{
  background:var(--ink);color:#cfcfd9;padding:52px 0 24px;margin-top:24px;
  position:relative;overflow:hidden;
}
html[data-theme="dark"] footer.site{background:#0c0c14}
footer.site::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-brand);
}
footer.site h4{color:#fff;margin-bottom:14px;font-size:1rem;letter-spacing:.2px}
footer.site a{
  color:#cfcfd9;font-size:.9rem;display:block;padding:5px 0;
  transition:color .25s var(--ease),transform .25s var(--ease);
}
footer.site a:hover{color:var(--brand-2);text-decoration:none;transform:translateX(4px)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;
  font-size:.82rem;color:#8a8a99;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;
}
.foot-bottom a{display:inline;color:#8a8a99}
.foot-bottom a:hover{color:var(--brand-2)}
#toTop{
  position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:50%;
  border:0;background:var(--grad-brand);color:#fff;font-size:1.1rem;cursor:pointer;
  box-shadow:0 8px 24px rgba(232,84,63,.4);
  opacity:0;pointer-events:none;
  transition:opacity .35s var(--ease),transform .35s var(--ease),box-shadow .35s var(--ease);
  z-index:90;display:grid;place-items:center;font-family:inherit;
}
#toTop.show{opacity:1;pointer-events:auto}
#toTop:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 12px 32px rgba(232,84,63,.55)}
#toTop:active{transform:translateY(-2px) scale(.98)}
.breadcrumb{font-size:.84rem;color:var(--muted);padding:16px 0 0}
.breadcrumb a{color:var(--muted);transition:color .25s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:var(--ink-2)}
@media(max-width:960px){
  .hero-grid,.grid-2,.contact-grid{grid-template-columns:1fr}
  .hero-grid{gap:32px}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero{padding:40px 0 28px}
}
@media(max-width:720px){
  nav.main{
    display:none;position:absolute;top:66px;left:0;right:0;
    background:var(--glass);
    -webkit-backdrop-filter:blur(18px) saturate(180%);
    backdrop-filter:blur(18px) saturate(180%);
    flex-direction:column;padding:12px;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    animation:slideDown .3s var(--ease);
  }
  @keyframes slideDown{
    from{opacity:0;transform:translateY(-8px)}
    to{opacity:1;transform:none}
  }
  nav.main.open{display:flex}
  nav.main a{padding:11px 14px;border-radius:10px}
  nav.main a::after{display:none}
  .menu-toggle{display:grid}
  .search input{width:90px}
  .search{padding-left:10px}
  h1{font-size:1.55rem}
  h2{font-size:1.3rem;padding-left:14px}
  h3{font-size:1.1rem}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .stats{grid-template-columns:1fr 1fr}
  .stat b{font-size:1.3rem}
  .card{padding:18px}
  .hero-actions .btn{flex:1;min-width:140px}
  .slides{min-height:230px}
  .slide{padding:22px}
  section.block{padding:36px 0}
  #toTop{right:14px;bottom:16px;width:42px;height:42px}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media(max-width:420px){
  .wrap{padding:0 14px}
  .logo span:last-child{font-size:1rem}
  .search input{width:70px}
  .stats{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
}
@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,#toTop,.hero-art,.tools,footer.site{display:none !important}
  body{background:#fff;color:#000}
  .card{box-shadow:none;border:1px solid #ddd}
}