:root{
  --brand:#f5b400;
  --brand-dark:#c98f00;
  --brand-light:#fff4cc;
  --brand-glow:rgba(245,180,0,.35);
  --accent:#ff7a45;
  --accent-2:#7c5cff;
  --ink:#1f2328;
  --ink-soft:#4a5058;
  --bg:#ffffff;
  --bg-soft:#faf7ef;
  --glass:rgba(255,255,255,.62);
  --glass-border:rgba(255,255,255,.55);
  --line:#e8e2d3;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 8px 28px rgba(31,35,40,.08);
  --shadow-hover:0 18px 44px rgba(31,35,40,.16);
  --grad-hero:linear-gradient(135deg,#fff4cc 0%,#ffe9a8 28%,#fdf1d6 58%,#f3ecff 100%);
  --grad-brand:linear-gradient(135deg,#f5b400 0%,#ff9a3c 55%,#ff7a45 100%);
  --grad-accent:linear-gradient(135deg,#7c5cff 0%,#f5b400 100%);
}
html[data-theme="dark"]{
  --brand:#ffcc33;
  --brand-dark:#f5b400;
  --brand-light:#3a2f10;
  --brand-glow:rgba(255,204,51,.28);
  --accent:#ff8f5e;
  --accent-2:#9d85ff;
  --ink:#eef1f4;
  --ink-soft:#b3bac2;
  --bg:#15181c;
  --bg-soft:#1d2126;
  --glass:rgba(29,33,38,.62);
  --glass-border:rgba(255,255,255,.10);
  --line:#2c3238;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --shadow-hover:0 18px 44px rgba(0,0,0,.62);
  --grad-hero:linear-gradient(135deg,#1d2126 0%,#2a2410 40%,#241d33 75%,#15181c 100%);
  --grad-brand:linear-gradient(135deg,#ffcc33 0%,#ff9a3c 55%,#ff7a45 100%);
  --grad-accent:linear-gradient(135deg,#9d85ff 0%,#ffcc33 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","Source Han Sans SC",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
  transition:background .35s ease,color .35s ease;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(680px 420px at 88% -8%,var(--brand-glow),transparent 62%),
    radial-gradient(560px 380px at -6% 22%,rgba(124,92,255,.14),transparent 60%),
    radial-gradient(520px 360px at 60% 108%,rgba(255,122,69,.10),transparent 62%);
  opacity:.9;
}
img,svg{max-width:100%;display:block}
a{color:var(--brand-dark);text-decoration:none;transition:color .22s ease}
a:hover{text-decoration:underline}
::selection{background:var(--brand);color:#1f2328}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px;top:0}
.skip-link:focus{
  left:12px;top:12px;
  background:var(--brand);color:#1f2328;
  padding:10px 16px;border-radius:10px;z-index:9999;
  box-shadow:var(--shadow);
}

/* ---------- 顶部条 ---------- */
.top-bar{
  background:linear-gradient(90deg,#1f2328 0%,#2a2f36 60%,#1f2328 100%);
  color:#fff;font-size:13px;
  position:relative;z-index:1001;
}
html[data-theme="dark"] .top-bar{background:linear-gradient(90deg,#0f1114 0%,#1b1f24 60%,#0f1114 100%)}
.top-bar .container{
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:8px;padding-top:8px;padding-bottom:8px;
}
.top-bar a{color:#fff;opacity:.86}
.top-bar a:hover{opacity:1;color:var(--brand);text-decoration:none}
.top-bar .top-links{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- 头部导航 ---------- */
header.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease,background .35s ease,border-color .35s ease;
}
header.site-header.is-stuck{box-shadow:var(--shadow-hover);border-bottom-color:transparent}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--ink);letter-spacing:.2px}
.brand:hover{text-decoration:none}
.brand:hover .logo-mark{transform:rotate(-8deg) scale(1.06)}
.brand .logo-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  box-shadow:0 6px 18px var(--brand-glow);
  transition:transform .35s cubic-bezier(.2,.8,.3,1.2);
}
.brand .brand-text small{display:block;font-size:11px;font-weight:400;color:var(--ink-soft);letter-spacing:.5px;line-height:1.4}
nav.main-nav ul{display:flex;gap:4px;list-style:none;flex-wrap:wrap}
nav.main-nav a{
  display:block;padding:8px 12px;border-radius:9px;
  color:var(--ink);font-size:15px;position:relative;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
nav.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--grad-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
nav.main-nav a:hover,nav.main-nav a[aria-current="page"]{
  background:var(--brand-light);color:var(--brand-dark);text-decoration:none;
}
nav.main-nav a:hover::after,nav.main-nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:8px}
.search-box{
  display:flex;align-items:center;
  border:1px solid var(--line);border-radius:11px;overflow:hidden;
  background:var(--glass);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-glow)}
.search-box input{
  border:0;background:transparent;padding:8px 10px;font-size:14px;
  width:150px;color:var(--ink);outline:none;font-family:inherit;
}
.search-box input::placeholder{color:var(--ink-soft);opacity:.8}
.search-box button{
  border:0;background:var(--grad-brand);color:#1f2328;
  padding:8px 14px;font-size:14px;cursor:pointer;font-weight:600;font-family:inherit;
  transition:filter .22s ease;
}
.search-box button:hover{filter:brightness(1.08)}
.icon-btn{
  border:1px solid var(--line);background:var(--glass);color:var(--ink);
  width:38px;height:38px;border-radius:11px;cursor:pointer;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.icon-btn:hover{background:var(--brand-light);border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow)}
.icon-btn:active{transform:translateY(0) scale(.96)}
.menu-toggle{display:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--grad-hero);
  border-bottom:1px solid var(--line);
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
  filter:blur(6px);
}
.hero::before{
  width:420px;height:420px;right:-120px;top:-160px;
  background:radial-gradient(circle,var(--brand-glow),transparent 68%);
  animation:floatA 14s ease-in-out infinite;
}
.hero::after{
  width:360px;height:360px;left:-140px;bottom:-180px;
  background:radial-gradient(circle,rgba(124,92,255,.22),transparent 68%);
  animation:floatB 18s ease-in-out infinite;
}
@keyframes floatA{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-24px,26px,0)}}
@keyframes floatB{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(28px,-22px,0)}}
.hero .container{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
  padding-top:52px;padding-bottom:52px;
}
.hero-text{animation:heroIn .8s cubic-bezier(.2,.8,.3,1) both}
@keyframes heroIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.hero h1{font-size:34px;line-height:1.35;margin-bottom:16px;letter-spacing:.5px}
.hero h1 em{
  font-style:normal;color:var(--brand-dark);
  background:linear-gradient(180deg,transparent 62%,var(--brand-glow) 62%);
  padding:0 4px;border-radius:4px;
}
.hero p.lead{font-size:17px;color:var(--ink-soft);margin-bottom:20px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.btn{
  display:inline-block;padding:11px 22px;border-radius:11px;
  font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;
  font-family:inherit;position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.42) 50%,transparent 70%);
  transform:translateX(-120%);transition:transform .6s ease;
}
.btn:hover::after{transform:translateX(120%)}
.btn-primary{background:var(--grad-brand);color:#1f2328;box-shadow:0 8px 22px var(--brand-glow)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 30px var(--brand-glow);text-decoration:none;color:#1f2328}
.btn-ghost{
  background:var(--glass);color:var(--ink);border-color:var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:var(--brand-light);border-color:var(--brand);transform:translateY(-3px);text-decoration:none;box-shadow:var(--shadow)}
.hero-stats{display:flex;gap:28px;flex-wrap:wrap}
.hero-stats .stat strong{
  display:block;font-size:26px;line-height:1.2;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:var(--brand-dark);
}
.hero-stats .stat span{font-size:13px;color:var(--ink-soft)}

/* ---------- 轮播 ---------- */
.carousel{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-hover);
  background:var(--glass);
  border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  animation:heroIn 1s .12s cubic-bezier(.2,.8,.3,1) both;
}
.slides{position:relative;min-height:300px}
.slide{
  position:absolute;inset:0;opacity:0;
  transition:opacity .6s ease;
  display:flex;flex-direction:column;justify-content:flex-end;padding:24px;
  pointer-events:none;
}
.slide.active{opacity:1;position:relative;pointer-events:auto}
.slide svg{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.slide .slide-caption{
  position:relative;z-index:1;
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border:1px solid var(--glass-border);
  border-radius:12px;padding:14px 16px;
  box-shadow:0 6px 20px rgba(31,35,40,.10);
}
html[data-theme="dark"] .slide .slide-caption{background:rgba(21,24,28,.72)}
.slide .slide-caption h2{font-size:17px;margin-bottom:4px}
.slide .slide-caption p{font-size:13px;color:var(--ink-soft)}
.carousel-dots{
  display:flex;justify-content:center;gap:8px;padding:12px 0;
  background:transparent;position:relative;z-index:2;
}
.carousel-dots button{
  width:10px;height:10px;border-radius:50%;border:0;
  background:var(--line);cursor:pointer;padding:0;
  transition:background .25s ease,width .25s ease,border-radius .25s ease,transform .25s ease;
}
.carousel-dots button:hover{background:var(--brand-dark);transform:scale(1.2)}
.carousel-dots button.active{background:var(--grad-brand);width:24px;border-radius:6px}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--ink-soft);padding:14px 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb li+li::before{content:"›";margin-right:6px;color:var(--ink-soft)}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--brand-dark)}

/* ---------- 通用区块 ---------- */
section{padding:56px 0;position:relative}
section:nth-of-type(even){background:var(--bg-soft)}
.section-head{max-width:820px;margin-bottom:32px}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:600;
  color:var(--brand-dark);background:var(--brand-light);
  padding:4px 12px;border-radius:20px;margin-bottom:12px;
  border:1px solid var(--brand-glow);
}
.section-head h2{font-size:27px;line-height:1.4;margin-bottom:12px;letter-spacing:.3px}
.section-head h2::after{
  content:"";display:block;width:56px;height:4px;border-radius:4px;
  margin-top:12px;background:var(--grad-brand);
}
.section-head p{color:var(--ink-soft)}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- 卡片 ---------- */
.card{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  position:relative;
  transition:transform .3s cubic-bezier(.2,.8,.3,1),box-shadow .3s ease,border-color .3s ease,background .35s ease;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(135deg,var(--brand-glow),transparent 45%);
  opacity:0;transition:opacity .3s ease;
}
.card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:var(--brand);
}
.card:hover::before{opacity:.55}
.card h3{font-size:18px;margin-bottom:8px;position:relative}
.card h4{font-size:15px;margin:14px 0 6px;color:var(--brand-dark)}
.card p{color:var(--ink-soft);font-size:15px;position:relative}
.card ul{margin:8px 0 0 18px;color:var(--ink-soft);font-size:15px;position:relative}
.card ul li{margin-bottom:4px}
.icon-badge{
  width:44px;height:44px;border-radius:13px;
  background:var(--brand-light);
  border:1px solid var(--brand-glow);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
  transition:transform .3s cubic-bezier(.2,.8,.3,1.2),box-shadow .3s ease;
}
.icon-badge svg{width:24px;height:24px}
.card:hover .icon-badge{transform:translateY(-3px) rotate(-6deg);box-shadow:0 10px 22px var(--brand-glow)}

/* ---------- 正文 ---------- */
.prose p{margin-bottom:14px;color:var(--ink-soft)}
.prose h3{margin:24px 0 10px;font-size:20px;position:relative;padding-left:14px}
.prose h3::before{
  content:"";position:absolute;left:0;top:.35em;bottom:.35em;width:4px;border-radius:4px;
  background:var(--grad-brand);
}
.prose h3:first-child{margin-top:0}
.prose h4{margin:18px 0 8px;font-size:16px;color:var(--brand-dark)}
.prose ul,.prose ol{margin:0 0 14px 22px;color:var(--ink-soft)}
.prose li{margin-bottom:6px}

/* ---------- 文章列表 ---------- */
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.article-card{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;display:flex;flex-direction:column;position:relative;overflow:hidden;
  transition:transform .3s cubic-bezier(.2,.8,.3,1),box-shadow .3s ease,border-color .3s ease;
}
.article-card::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad-brand);transform:scaleY(0);transform-origin:top;
  transition:transform .35s ease;
}
.article-card:hover{
  transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--brand);
}
.article-card:hover::after{transform:scaleY(1)}
.article-card .meta{
  font-size:13px;color:var(--ink-soft);margin-bottom:8px;
  display:flex;gap:10px;flex-wrap:wrap;align-items:center;
}
.article-card .meta span{
  background:var(--brand-light);color:var(--brand-dark);
  padding:1px 9px;border-radius:20px;font-weight:600;font-size:12px;
}
.article-card h3{font-size:17px;margin-bottom:8px;line-height:1.5;transition:color .25s ease}
.article-card:hover h3{color:var(--brand-dark)}
.article-card p{font-size:14px;color:var(--ink-soft);margin-bottom:12px;flex:1}
.article-card .read-more{
  font-size:14px;font-weight:600;color:var(--brand-dark);
  display:inline-flex;align-items:center;gap:6px;transition:gap .25s ease;
}
.article-card .read-more:hover{text-decoration:none;gap:12px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:10px;max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:12px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px) saturate(150%);
  backdrop-filter:blur(12px) saturate(150%);
  overflow:hidden;
  transition:border-color .28s ease,box-shadow .28s ease,transform .28s ease;
}
.faq-item:hover{border-color:var(--brand);box-shadow:var(--shadow)}
.faq-item.open{border-color:var(--brand);box-shadow:var(--shadow)}
.faq-item h3{margin:0}
.faq-question{
  width:100%;text-align:left;background:transparent;border:0;
  padding:16px 18px;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;
  font-family:inherit;line-height:1.6;transition:color .25s ease;
}
.faq-question:hover{color:var(--brand-dark)}
.faq-question .faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:var(--brand-light);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;
  transition:transform .3s cubic-bezier(.2,.8,.3,1.2),background .25s ease,color .25s ease;
}
.faq-item.open .faq-question .faq-icon{transform:rotate(45deg);background:var(--grad-brand);color:#1f2328}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .38s ease,padding .3s ease;padding:0 18px}
.faq-item.open .faq-answer{padding-bottom:16px}
.faq-answer p{color:var(--ink-soft);font-size:15px}

/* ---------- 步骤 ---------- */
.steps{counter-reset:step;display:grid;gap:18px}
.step{
  position:relative;padding:18px 20px 18px 56px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px) saturate(150%);
  backdrop-filter:blur(12px) saturate(150%);
  border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.step:hover{transform:translateX(5px);box-shadow:var(--shadow);border-color:var(--brand)}
.step::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:16px;top:18px;width:28px;height:28px;border-radius:50%;
  background:var(--grad-brand);color:#1f2328;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:14px;
  box-shadow:0 4px 12px var(--brand-glow);
}
.step h4{margin-bottom:6px;font-size:16px}
.step p{color:var(--ink-soft);font-size:15px}

/* ---------- 案例 ---------- */
.case-card{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .3s cubic-bezier(.2,.8,.3,1),box-shadow .3s ease,border-color .3s ease;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.case-card svg{transition:transform .5s ease}
.case-card:hover svg{transform:scale(1.04)}
.case-card .case-body{padding:20px}
.case-card h3{font-size:17px;margin-bottom:8px}
.case-card p{font-size:14px;color:var(--ink-soft)}

/* ---------- 引用 ---------- */
.quote{
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px) saturate(150%);
  backdrop-filter:blur(12px) saturate(150%);
  border:1px solid var(--line);
  border-left:4px solid var(--brand);
  border-radius:10px;padding:18px 20px;margin-bottom:16px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.quote:hover{transform:translateX(5px);box-shadow:var(--shadow);border-left-color:var(--accent)}
.quote p{font-style:italic;color:var(--ink-soft);margin-bottom:8px}
.quote footer{font-size:14px;color:var(--ink);font-weight:600}
.quote footer span{font-weight:400;color:var(--ink-soft)}

/* ---------- 新闻 ---------- */
.news-list{display:grid;gap:14px}
.news-item{
  display:grid;grid-template-columns:110px 1fr;gap:16px;padding:16px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px) saturate(150%);
  backdrop-filter:blur(12px) saturate(150%);
  border:1px solid var(--line);border-radius:12px;align-items:center;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.news-item:hover{transform:translateX(6px);box-shadow:var(--shadow);border-color:var(--brand)}
.news-item time{
  font-size:13px;color:var(--brand-dark);font-weight:600;
  background:var(--brand-light);padding:4px 10px;border-radius:8px;
  text-align:center;white-space:nowrap;
}
.news-item h3{font-size:16px;margin-bottom:4px}
.news-item p{font-size:14px;color:var(--ink-soft)}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.contact-info dl{display:grid;grid-template-columns:auto 1fr;gap:10px 16px;font-size:15px}
.contact-info dt{color:var(--ink-soft);font-weight:600}
.contact-info dd{color:var(--ink);word-break:break-word}
.contact-form{
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  transition:box-shadow .3s ease,border-color .3s ease;
}
.contact-form:focus-within{border-color:var(--brand);box-shadow:var(--shadow-hover)}
.contact-form h3{margin-bottom:14px}
.contact-form label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.contact-form input,.contact-form textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;
  background:var(--bg-soft);color:var(--ink);font-size:14px;font-family:inherit;
  margin-bottom:14px;outline:none;
  transition:border-color .22s ease,box-shadow .22s ease,background .3s ease;
}
.contact-form input:focus,.contact-form textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-glow);background:var(--bg);
}
.contact-form textarea{min-height:110px;resize:vertical}
.contact-form .btn{margin-top:2px}

/* ---------- 团队 ---------- */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.team-card{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;text-align:center;
  transition:transform .3s cubic-bezier(.2,.8,.3,1),box-shadow .3s ease,border-color .3s ease;
}
.team-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.team-card .avatar{
  width:64px;height:64px;border-radius:50%;margin:0 auto 12px;overflow:hidden;
  box-shadow:0 8px 20px var(--brand-glow);
  transition:transform .35s cubic-bezier(.2,.8,.3,1.2);
}
.team-card:hover .avatar{transform:scale(1.08) rotate(-4deg)}
.team-card h3{font-size:15px;margin-bottom:2px}
.team-card p{font-size:13px;color:var(--ink-soft)}

/* ---------- 站点地图 ---------- */
.sitemap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sitemap-grid h3{font-size:15px;margin-bottom:10px;color:var(--brand-dark)}
.sitemap-grid ul{list-style:none;font-size:14px}
.sitemap-grid li{margin-bottom:6px}
.sitemap-grid a{
  color:var(--ink-soft);display:inline-block;
  transition:color .22s ease,transform .22s ease;
}
.sitemap-grid a:hover{color:var(--brand-dark);transform:translateX(4px);text-decoration:none}

/* ---------- 友情链接 ---------- */
.friend-links{display:flex;flex-wrap:wrap;gap:10px}
.friend-links a{
  font-size:14px;padding:6px 14px;border:1px solid var(--line);border-radius:20px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  color:var(--ink-soft);
  transition:color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease,background .3s ease;
}
.friend-links a:hover{
  color:var(--brand-dark);border-color:var(--brand);
  transform:translateY(-2px);box-shadow:var(--shadow);text-decoration:none;
  background:var(--brand-light);
}

/* ---------- 信任条 ---------- */
.trust-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.trust-bar .trust-item{
  padding:22px 14px;border-radius:var(--radius);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid var(--line);
  transition:transform .3s cubic-bezier(.2,.8,.3,1),box-shadow .3s ease,border-color .3s ease;
}
.trust-bar .trust-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.trust-bar .trust-item strong{
  display:block;font-size:26px;line-height:1.2;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:var(--brand-dark);
}
.trust-bar .trust-item span{font-size:13px;color:var(--ink-soft)}

/* ---------- 表格 ---------- */
table.info-table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0 18px}
table.info-table th,table.info-table td{
  border:1px solid var(--line);padding:10px 12px;text-align:left;color:var(--ink-soft);
  transition:background .25s ease;
}
table.info-table th{background:var(--brand-light);color:var(--ink);font-weight:600;white-space:nowrap}
table.info-table tr:hover td{background:var(--bg-soft)}

/* ---------- 页脚 ---------- */
footer.site-footer{
  background:linear-gradient(180deg,#1f2328 0%,#171a1e 100%);
  color:#c9cfd6;padding:48px 0 0;font-size:14px;position:relative;overflow:hidden;
}
footer.site-footer::before{
  content:"";position:absolute;top:-120px;right:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,var(--brand-glow),transparent 68%);pointer-events:none;
}
html[data-theme="dark"] footer.site-footer{background:linear-gradient(180deg,#101316 0%,#0b0d0f 100%)}
footer.site-footer a{color:#e6eaee;transition:color .22s ease}
footer.site-footer a:hover{color:var(--brand);text-decoration:none}
footer.site-footer h3{color:#fff;font-size:15px;margin-bottom:12px;position:relative;padding-bottom:8px}
footer.site-footer h3::after{
  content:"";position:absolute;left:0;bottom:0;width:24px;height:3px;border-radius:3px;
  background:var(--grad-brand);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding-bottom:32px;position:relative}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:8px}
.footer-grid li a{display:inline-block;transition:transform .22s ease,color .22s ease}
.footer-grid li a:hover{transform:translateX(4px)}
.footer-brand p{margin-bottom:10px;color:#a9b1b9;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0;
  font-size:13px;color:#8f979f;position:relative;
}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.legal-note{font-size:13px;color:var(--ink-soft);line-height:1.8}

/* ---------- 返回顶部 ---------- */
.back-to-top{
  position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--grad-brand);color:#1f2328;border:0;cursor:pointer;font-size:20px;
  display:none;align-items:center;justify-content:center;
  box-shadow:0 10px 26px var(--brand-glow);z-index:1200;
  transition:transform .28s cubic-bezier(.2,.8,.3,1.2),box-shadow .28s ease,opacity .28s ease;
}
.back-to-top.show{display:flex;animation:popIn .35s cubic-bezier(.2,.8,.3,1.2)}
.back-to-top:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 16px 34px var(--brand-glow)}
@keyframes popIn{from{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}

/* ---------- 滚动动画 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.8,.3,1),transform .7s cubic-bezier(.2,.8,.3,1)}
.reveal.visible{opacity:1;transform:none}
.grid > .reveal:nth-child(2){transition-delay:.06s}
.grid > .reveal:nth-child(3){transition-delay:.12s}
.grid > .reveal:nth-child(4){transition-delay:.18s}
.grid > .reveal:nth-child(5){transition-delay:.24s}
.grid > .reveal:nth-child(6){transition-delay:.3s}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  nav.main-nav a{padding:8px 9px;font-size:14px}
  .search-box input{width:120px}
}
@media (max-width:960px){
  .hero .container{grid-template-columns:1fr;gap:28px;padding-top:40px;padding-bottom:40px}
  .hero h1{font-size:29px}
  .grid-3,.grid-4,.team-grid,.sitemap-grid,.trust-bar{grid-template-columns:repeat(2,1fr)}
  .article-list{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  nav.main-nav{
    position:absolute;top:100%;left:0;right:0;
    background:var(--glass);
    -webkit-backdrop-filter:blur(20px) saturate(160%);
    backdrop-filter:blur(20px) saturate(160%);
    border-bottom:1px solid var(--line);
    display:none;padding:10px 20px;box-shadow:var(--shadow-hover);
    animation:navDrop .28s ease;
  }
  @keyframes navDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
  nav.main-nav.open{display:block}
  nav.main-nav ul{flex-direction:column;gap:2px}
  nav.main-nav a{padding:11px 12px;font-size:15px}
  nav.main-nav a::after{display:none}
  .menu-toggle{display:flex}
  .search-box input{width:110px}
}
@media (max-width:600px){
  body{font-size:15px}
  .hero h1{font-size:25px}
  .hero p.lead{font-size:15px}
  .hero-stats{gap:18px}
  .hero-stats .stat strong{font-size:22px}
  .grid-2,.grid-3,.grid-4,.team-grid,.sitemap-grid,.trust-bar,.footer-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr;gap:8px}
  .news-item time{justify-self:start}
  .top-bar .top-links{display:none}
  .top-bar .container{justify-content:center;text-align:center;font-size:12px}
  .section-head h2{font-size:21px}
  section{padding:42px 0}
  .search-box{display:none}
  .brand{font-size:18px}
  .brand .logo-mark{width:36px;height:36px}
  .contact-info dl{grid-template-columns:1fr;gap:2px 0}
  .contact-info dt{margin-top:8px}
  .slides{min-height:260px}
  .slide{padding:16px}
  .slide .slide-caption{padding:12px}
  .slide .slide-caption h2{font-size:15px}
  .footer-bottom .container{justify-content:center;text-align:center}
  .back-to-top{right:14px;bottom:16px;width:42px;height:42px}
}
@media (max-width:380px){
  .hero-cta .btn{width:100%;text-align:center}
  .hero-stats{gap:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
}
@media print{
  .top-bar,header.site-header,.back-to-top,.carousel-dots,.hero-cta,.contact-form{display:none !important}
  body{background:#fff;color:#000}
  .card,.article-card,.faq-item,.news-item{box-shadow:none;border-color:#ccc}
}