:root{
  --brand:#e63946;
  --brand-2:#f4a261;
  --brand-3:#2a9d8f;
  --brand-4:#264653;
  --bg:#ffffff;
  --bg-soft:#f7f8fa;
  --bg-card:#ffffff;
  --text:#1d2129;
  --text-soft:#5c6370;
  --border:#e5e8ec;
  --shadow:0 6px 24px rgba(20,30,50,.08);
  --shadow-lg:0 18px 48px rgba(20,30,50,.16);
  --glass:rgba(255,255,255,.72);
  --glass-border:rgba(255,255,255,.5);
  --radius:14px;
  --radius-lg:22px;
  --max:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
html[data-theme="dark"]{
  --bg:#14171c;
  --bg-soft:#1b1f26;
  --bg-card:#1f242c;
  --text:#e8eaed;
  --text-soft:#a7b0bd;
  --border:#2c333d;
  --shadow:0 6px 24px rgba(0,0,0,.4);
  --shadow-lg:0 18px 48px rgba(0,0,0,.55);
  --glass:rgba(31,36,44,.72);
  --glass-border:rgba(255,255,255,.08);
}
*{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(--text);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition:background .3s ease,color .3s ease;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
ul,ol{list-style:none}
button{font-family:inherit}
::selection{background:var(--brand);color:#fff}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;
  padding:10px 16px;z-index:9999;border-radius:0 0 8px 0;font-size:14px;
}
.skip-link:focus{left:0}

/* ========== 顶栏 ========== */
.topbar{
  background:var(--bg-soft);
  border-bottom:1px solid var(--border);
  font-size:13px;
  color:var(--text-soft);
  transition:background .3s,border-color .3s;
}
.topbar .wrap{
  display:flex;justify-content:space-between;align-items:center;
  min-height:38px;gap:12px;flex-wrap:wrap;padding-top:4px;padding-bottom:4px;
}
.topbar a{color:var(--text-soft)}
.topbar a:hover{color:var(--brand)}

/* ========== 导航 ========== */
.header{
  position:sticky;top:0;z-index:1000;
  background:var(--glass);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s var(--ease),background .3s,border-color .3s;
}
.header.scrolled{box-shadow:var(--shadow)}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;gap:20px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:20px;letter-spacing:.5px;
  flex-shrink:0;
}
.logo .mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;font-weight:900;
  box-shadow:0 6px 16px rgba(230,57,70,.35);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.logo:hover .mark{transform:rotate(-8deg) scale(1.06);box-shadow:0 10px 22px rgba(230,57,70,.5)}
.logo .name{color:var(--text);transition:color .3s}
.logo .name em{color:var(--brand);font-style:normal}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{
  font-size:15px;color:var(--text-soft);font-weight:500;
  position:relative;padding:4px 0;white-space:nowrap;
  transition:color .25s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--brand)}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;
  width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transition:width .3s var(--ease);
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;
  background:var(--bg-soft);
  border:1px solid var(--border);
  border-radius:999px;
  padding:4px 4px 4px 14px;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease),background .3s;
}
.search-box:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(230,57,70,.12);
  background:var(--bg-card);
}
.search-box input{
  border:none;background:transparent;outline:none;
  color:var(--text);font-size:14px;width:150px;padding:4px;
}
.search-box input::placeholder{color:var(--text-soft)}
.search-box button{
  border:none;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;border-radius:999px;padding:6px 14px;
  font-size:13px;cursor:pointer;font-weight:600;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.search-box button:hover{transform:translateY(-1px);box-shadow:0 6px 14px rgba(230,57,70,.35)}
.icon-btn{
  width:38px;height:38px;border-radius:10px;
  border:1px solid var(--border);
  background:var(--bg-card);color:var(--text);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:16px;
  transition:all .3s var(--ease);
}
.icon-btn:hover{
  border-color:var(--brand);color:var(--brand);
  transform:translateY(-2px);
  box-shadow:0 8px 18px rgba(230,57,70,.18);
}
.menu-btn{display:none}

/* ========== 移动菜单 ========== */
.mobile-menu{
  display:none;
  background:var(--glass);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
  animation:menuDrop .3s var(--ease);
}
@keyframes menuDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.mobile-menu.open{display:block}
.mobile-menu ul{padding:12px 20px}
.mobile-menu li{border-bottom:1px solid var(--border)}
.mobile-menu li:last-child{border-bottom:none}
.mobile-menu a{
  display:block;padding:12px 0;font-size:15px;color:var(--text-soft);
  transition:color .25s var(--ease),padding-left .25s var(--ease);
}
.mobile-menu a:hover{color:var(--brand);padding-left:6px}

/* ========== Banner 渐变轮播 ========== */
.banner{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1a1a2e,#16213e 45%,#0f3460 100%);
  color:#fff;min-height:440px;
}
.banner::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(circle at 15% 20%,rgba(230,57,70,.45),transparent 45%),
    radial-gradient(circle at 85% 30%,rgba(244,162,97,.35),transparent 45%),
    radial-gradient(circle at 60% 90%,rgba(42,157,143,.35),transparent 50%);
  animation:bannerGlow 12s ease-in-out infinite alternate;
}
@keyframes bannerGlow{
  from{opacity:.75;transform:scale(1)}
  to{opacity:1;transform:scale(1.08)}
}
.banner .slide{
  position:absolute;inset:0;opacity:0;
  transition:opacity .8s var(--ease);
  display:flex;align-items:center;padding:60px 0;
  pointer-events:none;
}
.banner .slide.active{opacity:1;position:relative;pointer-events:auto}
.banner .wrap{position:relative;z-index:2}
.banner h1{
  font-size:clamp(26px,4vw,42px);
  line-height:1.3;margin-bottom:18px;
  font-weight:800;letter-spacing:.5px;
  text-shadow:0 4px 24px rgba(0,0,0,.35);
}
.banner h1 span{
  background:linear-gradient(90deg,var(--brand-2),#ffd28a);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.banner p{
  font-size:16px;color:#d7dbe6;max-width:720px;margin-bottom:26px;
  line-height:1.9;
}
.banner .cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;border:none;
  transition:all .3s var(--ease);
  will-change:transform;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  box-shadow:0 8px 22px rgba(230,57,70,.32);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(230,57,70,.48)}
.btn-ghost{
  background:rgba(255,255,255,.12);color:#fff;
  border:1px solid rgba(255,255,255,.3);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-3px)}
.banner-dots{
  position:absolute;bottom:22px;left:50%;transform:translateX(-50%);
  display:flex;gap:10px;z-index:5;
}
.banner-dots button{
  width:10px;height:10px;border-radius:50%;border:none;
  background:rgba(255,255,255,.4);cursor:pointer;
  transition:all .35s var(--ease);
}
.banner-dots button:hover{background:rgba(255,255,255,.7)}
.banner-dots button.active{
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  width:26px;border-radius:6px;
}

/* ========== 数据条 ========== */
.stats{
  background:var(--bg-soft);
  border-bottom:1px solid var(--border);
  padding:30px 0;
  transition:background .3s,border-color .3s;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:20px;text-align:center;
}
.stat-num{
  font-size:32px;font-weight:800;color:var(--brand);
  line-height:1.2;letter-spacing:.5px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.stat-label{font-size:14px;color:var(--text-soft);margin-top:4px}

/* ========== 通用区块 ========== */
section{padding:64px 0;position:relative}
.section-soft{background:var(--bg-soft);transition:background .3s}
.section-head{
  text-align:center;max-width:760px;margin:0 auto 40px;
}
.section-head h2{
  font-size:clamp(22px,3vw,30px);font-weight:800;
  margin-bottom:14px;position:relative;display:inline-block;
  padding-bottom:14px;letter-spacing:.5px;
}
.section-head h2::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:56px;height:4px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  animation:lineGrow 1s var(--ease) both;
}
@keyframes lineGrow{from{width:0;opacity:0}to{width:56px;opacity:1}}
.section-head p{color:var(--text-soft);font-size:15px}
.section-head h3{font-size:19px;font-weight:700;margin-bottom:10px}

/* ========== 锚点导航 ========== */
.anchor-nav{
  background:var(--glass);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px 20px;margin-bottom:30px;
  display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;
  box-shadow:var(--shadow);
  transition:background .3s,border-color .3s,box-shadow .3s;
}
.anchor-nav strong{font-size:14px;color:var(--text-soft);margin-right:6px}
.anchor-nav a{
  font-size:14px;color:var(--text-soft);
  padding:4px 12px;border-radius:999px;
  background:var(--bg-soft);
  transition:all .3s var(--ease);
}
.anchor-nav a:hover{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;transform:translateY(-2px);
  box-shadow:0 6px 16px rgba(230,57,70,.3);
}

/* ========== 卡片网格 ========== */
.grid{display:grid;gap:24px}
.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(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease),background .3s;
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;
  background:radial-gradient(circle at 50% 0%,rgba(230,57,70,.08),transparent 70%);
  transition:opacity .35s var(--ease);
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:var(--brand);
}
.card:hover::before{opacity:1}
.card h3{font-size:18px;font-weight:700;margin-bottom:10px;position:relative}
.card h4{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--brand)}
.card p{font-size:14.5px;color:var(--text-soft);position:relative}
.card .icon{
  width:48px;height:48px;border-radius:12px;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(230,57,70,.12),rgba(244,162,97,.12));
  display:flex;align-items:center;justify-content:center;
  transition:transform .35s var(--ease),background .35s var(--ease);
}
.card:hover .icon{
  transform:scale(1.1) rotate(-5deg);
  background:linear-gradient(135deg,rgba(230,57,70,.22),rgba(244,162,97,.22));
}

/* ========== 关于 ========== */
.about-grid{
  display:grid;grid-template-columns:1.1fr 1fr;
  gap:40px;align-items:center;
}
.about-text h2{
  font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:16px;
}
.about-text h3{font-size:18px;font-weight:700;margin:20px 0 10px;color:var(--brand)}
.about-text p{color:var(--text-soft);margin-bottom:14px;font-size:15px}
.about-img{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);background:var(--bg-soft);
  box-shadow:var(--shadow);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.about-img:hover{transform:translateY(-6px) scale(1.01);box-shadow:var(--shadow-lg)}
.about-img svg{width:100%;height:auto}

/* ========== 时间线 ========== */
.timeline{position:relative;padding-left:28px;margin-top:10px}
.timeline::before{
  content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(var(--brand),var(--brand-2));
  border-radius:2px;
}
.timeline-item{position:relative;padding-bottom:22px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-26px;top:6px;
  width:14px;height:14px;border-radius:50%;
  background:var(--brand);border:3px solid var(--bg-card);
  box-shadow:0 0 0 2px var(--brand);
  transition:transform .3s var(--ease),background .3s;
}
.timeline-item:hover::before{transform:scale(1.25);background:var(--brand-2)}
.timeline-item h4{font-size:16px;font-weight:700;margin-bottom:4px}
.timeline-item span{font-size:13px;color:var(--brand);font-weight:600}
.timeline-item p{font-size:14px;color:var(--text-soft);margin-top:4px}

/* ========== 文章卡片 ========== */
.article-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease),background .3s;
  display:flex;flex-direction:column;
}
.article-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:var(--brand);
}
.article-card .cover{
  aspect-ratio:16/9;background:var(--bg-soft);overflow:hidden;
  position:relative;
}
.article-card .cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,.12));
  opacity:0;transition:opacity .35s var(--ease);
}
.article-card:hover .cover::after{opacity:1}
.article-card .cover svg{
  width:100%;height:100%;
  transition:transform .5s var(--ease);
}
.article-card:hover .cover svg{transform:scale(1.06)}
.article-card .body{
  padding:18px 20px 20px;
  display:flex;flex-direction:column;flex:1;
}
.article-card .meta{
  font-size:12.5px;color:var(--text-soft);
  margin-bottom:8px;display:flex;gap:12px;flex-wrap:wrap;
}
.article-card .meta .tag{color:var(--brand);font-weight:600}
.article-card h3{
  font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:8px;
  transition:color .25s var(--ease);
}
.article-card:hover h3{color:var(--brand)}
.article-card p{font-size:14px;color:var(--text-soft);flex:1}
.article-card .more{
  margin-top:14px;font-size:14px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .3s var(--ease),color .25s var(--ease);
}
.article-card .more:hover{gap:10px;color:var(--brand-2)}

/* ========== FAQ ========== */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  border:1px solid var(--border);
  border-radius:12px;margin-bottom:14px;
  background:var(--bg-card);overflow:hidden;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease),background .3s;
}
.faq-item:hover{border-color:rgba(230,57,70,.5);box-shadow:var(--shadow)}
.faq-item.open{border-color:var(--brand);box-shadow:var(--shadow)}
.faq-q{
  width:100%;text-align:left;border:none;background:transparent;
  padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--text);
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;
  gap:14px;transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q .plus{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--bg-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;
  transition:transform .35s var(--ease),background .3s,color .3s;
}
.faq-item.open .plus{
  transform:rotate(45deg);
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .45s var(--ease),padding .45s var(--ease);
  padding:0 22px;
}
.faq-item.open .faq-a{max-height:600px;padding-bottom:20px}
.faq-a p{font-size:14.5px;color:var(--text-soft)}

/* ========== HowTo ========== */
.howto{max-width:900px;margin:0 auto;counter-reset:step}
.step{
  position:relative;padding:0 0 26px 66px;
  counter-increment:step;
}
.step::before{
  content:counter(step);
  position:absolute;left:0;top:0;
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(230,57,70,.3);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.step:hover::before{transform:scale(1.1);box-shadow:0 10px 24px rgba(230,57,70,.45)}
.step::after{
  content:"";position:absolute;left:21px;top:48px;bottom:0;
  width:2px;background:var(--border);
}
.step:last-child::after{display:none}
.step h4{font-size:17px;font-weight:700;margin-bottom:6px}
.step p{font-size:14.5px;color:var(--text-soft)}

/* ========== 案例 ========== */
.case-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease),background .3s;
}
.case-card:hover{
  border-color:var(--brand);
  box-shadow:var(--shadow-lg);
  transform:translateY(-6px);
}
.case-card .avatar{
  width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:18px;margin-bottom:14px;
  box-shadow:0 6px 16px rgba(230,57,70,.28);
  transition:transform .35s var(--ease);
}
.case-card:hover .avatar{transform:scale(1.08) rotate(-6deg)}
.case-card h4{font-size:16px;font-weight:700;margin-bottom:4px}
.case-card .role{font-size:13px;color:var(--brand);margin-bottom:10px}
.case-card p{font-size:14px;color:var(--text-soft)}

/* ========== 新闻 ========== */
.news-list{display:flex;flex-direction:column;gap:0}
.news-item{
  display:flex;gap:20px;padding:18px 0;
  border-bottom:1px dashed var(--border);
  align-items:flex-start;
  transition:padding-left .3s var(--ease);
}
.news-item:hover{padding-left:6px}
.news-item:last-child{border-bottom:none}
.news-date{
  flex-shrink:0;width:70px;text-align:center;
  background:var(--bg-soft);border-radius:10px;padding:8px 0;
  transition:background .3s var(--ease);
}
.news-item:hover .news-date{background:rgba(230,57,70,.1)}
.news-date .d{font-size:22px;font-weight:800;color:var(--brand);line-height:1}
.news-date .m{font-size:12px;color:var(--text-soft);margin-top:2px}
.news-body h4{font-size:15.5px;font-weight:700;margin-bottom:4px}
.news-body h4 a{transition:color .25s var(--ease)}
.news-body h4 a:hover{color:var(--brand)}
.news-body p{font-size:13.5px;color:var(--text-soft)}

/* ========== 联系 ========== */
.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;
}
.contact-info h3{font-size:20px;font-weight:700;margin-bottom:18px}
.contact-info ul li{
  display:flex;gap:14px;padding:12px 0;
  border-bottom:1px dashed var(--border);
  font-size:14.5px;
  transition:padding-left .3s var(--ease);
}
.contact-info ul li:hover{padding-left:6px}
.contact-info ul li:last-child{border-bottom:none}
.contact-info .k{color:var(--text-soft);flex-shrink:0;width:90px}
.contact-info .v{color:var(--text);font-weight:500}
.map-box{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);background:var(--bg-soft);
  min-height:280px;display:flex;align-items:center;justify-content:center;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.map-box:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.map-box svg{width:100%;height:auto}

/* ========== 页脚 ========== */
.footer{
  background:#14171c;color:#a7b0bd;
  padding:56px 0 0;font-size:14px;
  transition:background .3s;
}
html[data-theme="dark"] .footer{background:#0d0f13}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer .logo{color:#fff;margin-bottom:14px}
.footer .logo .name{color:#fff}
.footer p{font-size:13.5px;line-height:1.9;color:#8b95a3}
.footer ul li{margin-bottom:10px}
.footer ul a{
  color:#8b95a3;font-size:13.5px;
  transition:color .25s var(--ease),padding-left .25s var(--ease);
}
.footer ul a:hover{color:var(--brand-2);padding-left:4px}
.footer-bottom{
  padding:22px 0;text-align:center;
  font-size:13px;color:#6b7480;line-height:2;
}
.footer-bottom a{color:#8b95a3}
.footer-bottom a:hover{color:var(--brand-2)}
.footer-badges{
  display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:10px;
}
.footer-badges span{
  background:rgba(255,255,255,.06);
  padding:4px 12px;border-radius:999px;font-size:12px;
  transition:background .3s var(--ease),color .3s var(--ease);
}
.footer-badges span:hover{background:rgba(230,57,70,.25);color:#fff}

/* ========== 返回顶部 ========== */
.back-top{
  position:fixed;right:24px;bottom:24px;
  width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;
  box-shadow:0 8px 20px rgba(230,57,70,.4);
  opacity:0;visibility:hidden;transform:translateY(20px);
  transition:all .35s var(--ease);
  z-index:999;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 14px 30px rgba(230,57,70,.55)}

/* ========== 滚动动画 ========== */
.reveal{
  opacity:0;transform:translateY(30px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
  will-change:opacity,transform;
}
.reveal.in{opacity:1;transform:translateY(0)}

/* ========== 面包屑 ========== */
.breadcrumb{
  font-size:13.5px;color:var(--text-soft);
  padding:14px 0;display:flex;gap:8px;flex-wrap:wrap;align-items:center;
}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--border)}

/* ========== 响应式 ========== */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{gap:16px}
  .nav-links a{font-size:14px}
  .search-box input{width:110px}
}
@media(max-width:900px){
  .nav-links{display:none}
  .search-box{display:none}
  .menu-btn{display:flex}
}
@media(max-width:768px){
  body{font-size:15px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  section{padding:44px 0}
  .banner{min-height:auto}
  .banner .slide{padding:44px 0}
  .banner h1{font-size:clamp(22px,6vw,30px)}
  .banner p{font-size:14.5px}
  .banner-dots{bottom:14px}
  .news-item{flex-direction:column;gap:10px}
  .news-date{
    width:auto;display:inline-flex;gap:6px;
    padding:4px 12px;align-items:center;
  }
  .news-date .d{font-size:16px}
  .back-top{right:14px;bottom:14px;width:44px;height:44px}
  .section-head{margin-bottom:28px}
  .anchor-nav{padding:12px 14px;gap:8px 12px}
  .card,.case-card{padding:20px}
  .step{padding-left:58px}
  .step::before{width:40px;height:40px;font-size:16px}
  .step::after{left:19px;top:44px}
  .contact-info .k{width:76px}
  .topbar .wrap{justify-content:center;text-align:center}
}
@media(max-width:480px){
  .wrap{padding:0 14px}
  .nav{height:60px;gap:12px}
  .logo{font-size:18px}
  .logo .mark{width:34px;height:34px;font-size:16px}
  .stat-num{font-size:26px}
  .stat-label{font-size:13px}
  .btn{padding:10px 20px;font-size:14px}
  .faq-q{padding:15px 16px;font-size:14.5px}
  .faq-a{padding:0 16px}
  .faq-item.open .faq-a{padding-bottom:16px}
  .contact-info ul li{font-size:13.5px;gap:10px}
  .contact-info .k{width:70px}
  .footer{padding-top:40px}
  .footer-bottom{font-size:12px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .banner::before{animation:none}
}
@media print{
  .header,.topbar,.back-top,.banner-dots,.mobile-menu,.nav-tools{display:none!important}
  body{background:#fff;color:#000}
  .card,.article-card,.faq-item{box-shadow:none;border:1px solid #ccc}
}