/* ============ 全局变量 ============ */
:root{
  --brand:#1554f0;
  --brand-2:#00c2ff;
  --brand-deep:#0a2a6b;
  --accent:#ff5a1f;
  --accent-soft:#fff1ea;
  --ink:#101828;
  --ink-2:#475467;
  --ink-3:#7b8798;
  --line:#e4e9f2;
  --bg:#f5f8ff;
  --bg-soft:#eef3ff;
  --white:#ffffff;
  --ok:#0aa06e;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(16,42,107,.08);
  --shadow-hover:0 16px 40px rgba(21,84,240,.16);
  --max:1200px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
.section{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:30px;line-height:1.3;letter-spacing:-.5px;}
.section-head h2 .hl{color:var(--brand);}
.section-head p{color:var(--ink-3);font-size:14px;max-width:640px;}
.more-link{font-size:14px;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.more-link:hover{color:var(--accent);}

/* ============ 顶部头部 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(115deg,var(--brand-deep),var(--brand) 62%);
  padding:8px 16px 8px 12px;
  border-radius:12px;
  box-shadow:0 8px 20px rgba(21,84,240,.28);
}
.logo-badge svg{width:26px;height:26px;flex-shrink:0;}
.logo-text{font-size:19px;font-weight:800;letter-spacing:.5px;white-space:nowrap;}
.logo-text .t1{color:#ffffff;}
.logo-text .t2{color:#7fe3ff;}
.logo-sub{display:block;font-size:10px;font-weight:500;color:rgba(255,255,255,.72);letter-spacing:1.6px;line-height:1;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;}
.main-nav a{
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:8px 13px;border-radius:9px;transition:.2s;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--brand);background:var(--bg-soft);}
.main-nav a.active{color:var(--brand);background:var(--bg-soft);font-weight:700;}
.header-tools{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.search-form{position:relative;display:flex;align-items:center;}
.search-form input{
  width:190px;height:40px;border:1px solid var(--line);border-radius:10px;
  padding:0 42px 0 14px;font-size:14px;background:var(--bg);color:var(--ink);
  outline:none;transition:.2s;
}
.search-form input:focus{border-color:var(--brand);background:#fff;width:220px;box-shadow:0 0 0 3px rgba(21,84,240,.12);}
.search-form button{
  position:absolute;right:5px;top:5px;width:30px;height:30px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;background:var(--brand);
}
.search-form button svg{width:15px;height:15px;stroke:#fff;fill:none;stroke-width:2.2;}
.btn-download-top{
  display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 18px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),#3b7bff);
  color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 8px 18px rgba(21,84,240,.28);transition:.2s;
}
.btn-download-top:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(21,84,240,.36);}
.hamburger{display:none;width:42px;height:42px;border-radius:10px;background:var(--bg-soft);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.hamburger span{display:block;width:20px;height:2px;background:var(--brand);border-radius:2px;transition:.25s;}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{display:none;background:#fff;border-bottom:1px solid var(--line);padding:12px 20px 20px;}
.mobile-nav.open{display:block;}
.mobile-nav a{display:block;padding:12px 10px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-2);}
.mobile-nav a:hover,.mobile-nav a.active{background:var(--bg-soft);color:var(--brand);}
.mobile-nav .search-form{margin-top:10px;}
.mobile-nav .search-form input{width:100%;}

/* ============ Banner 轮播 ============ */
.hero{position:relative;overflow:hidden;background:var(--brand-deep);}
.hero-slides{position:relative;height:560px;}
.hero-slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transition:opacity .8s ease, visibility .8s;
  display:flex;align-items:center;
}
.hero-slide.active{opacity:1;visibility:visible;}
.hero-slide img:not(.site-img-wm__logo){position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero-slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,20,55,.92) 8%,rgba(8,30,80,.72) 45%,rgba(10,42,107,.28) 100%);
}
.hero-content{position:relative;z-index:2;max-width:820px;color:#fff;overflow:visible;padding-right:16px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(0,194,255,.18);border:1px solid rgba(0,194,255,.45);
  color:#8fe9ff;font-size:13px;font-weight:600;letter-spacing:.5px;
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-content h1{font-size:26px;line-height:1.4;letter-spacing:0;margin-bottom:18px;font-weight:700;white-space:normal;overflow:visible;overflow-wrap:break-word;word-break:break-word;}.hero-content h2{font-size:40px;line-height:1.22;letter-spacing:-1px;margin-bottom:18px;}
.hero-content h2 em{font-style:normal;color:#7fe3ff;}
.hero-content p{font-size:16px;color:rgba(255,255,255,.86);margin-bottom:30px;max-width:720px;overflow:visible;white-space:normal;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 30px;border-radius:12px;font-size:15px;font-weight:700;
  transition:.22s;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,#00c2ff,#1554f0);color:#fff;box-shadow:0 12px 26px rgba(0,140,255,.4);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(0,140,255,.5);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:#fff;color:var(--brand-deep);}
.hero-dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5;}
.hero-dots button{width:34px;height:5px;border-radius:99px;background:rgba(255,255,255,.35);transition:.25s;}
.hero-dots button.active{background:#7fe3ff;width:52px;}
.hero-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);
  display:flex;align-items:center;justify-content:center;transition:.2s;
}
.hero-arrow:hover{background:rgba(255,255,255,.34);}
.hero-arrow svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2.4;}
.hero-prev{left:24px;}
.hero-next{right:24px;}

/* ============ 平台数据 ============ */
.stats-bar{background:linear-gradient(135deg,var(--brand-deep),var(--brand));color:#fff;padding:44px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat-item{padding:8px 12px;border-right:1px solid rgba(255,255,255,.16);}
.stat-item:last-child{border-right:none;}
.stat-num{font-size:38px;font-weight:800;letter-spacing:-1px;line-height:1.1;color:#7fe3ff;}
.stat-label{font-size:14px;color:rgba(255,255,255,.82);margin-top:8px;}

/* ============ 平台特色 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;transition:.28s;position:relative;overflow:hidden;
}
.feature-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);transform-origin:left;transition:.32s;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent;}
.feature-card:hover::before{transform:scaleX(1);}
.feature-icon{
  width:56px;height:56px;border-radius:14px;
  background:linear-gradient(135deg,var(--bg-soft),#dbe8ff);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.feature-icon svg{width:26px;height:26px;stroke:var(--brand);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.feature-card h3{font-size:18px;margin-bottom:10px;}
.feature-card p{font-size:14px;color:var(--ink-2);}

/* ============ 关于我们 ============ */
.about{background:#fff;}
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.about-media{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);}
.about-media img:not(.site-img-wm__logo){width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.about-media .watermark{
  position:absolute;right:14px;bottom:14px;
  font-size:12px;font-weight:700;letter-spacing:.6px;color:#fff;
  background:rgba(10,42,107,.62);padding:5px 12px;border-radius:8px;
  backdrop-filter:blur(6px);
}
.about-text h2{font-size:30px;line-height:1.3;margin-bottom:18px;letter-spacing:-.5px;}
.about-text h2 .hl{color:var(--brand);}
.about-text p{color:var(--ink-2);font-size:15px;margin-bottom:14px;}
.about-points{display:grid;gap:14px;margin-top:26px;}
.about-point{
  display:flex;gap:14px;padding:16px 18px;border-radius:14px;
  background:var(--bg);border:1px solid var(--line);transition:.24s;
}
.about-point:hover{background:#fff;box-shadow:var(--shadow);border-color:#d5e2ff;}
.about-point .dot{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:flex;align-items:center;justify-content:center;
}
.about-point .dot svg{width:19px;height:19px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.about-point h3{font-size:15px;margin-bottom:4px;}
.about-point p{font-size:13.5px;color:var(--ink-3);margin:0;}

/* ============ 发展历程 ============ */
.timeline{position:relative;padding-left:0;}
.timeline-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px 48px;align-items:center;}
.timeline-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow);position:relative;}
.timeline-media img:not(.site-img-wm__logo){width:100%;aspect-ratio:16/10;object-fit:cover;}
.timeline-media .watermark{
  position:absolute;right:12px;bottom:12px;font-size:12px;font-weight:700;color:#fff;
  background:rgba(10,42,107,.62);padding:4px 10px;border-radius:7px;
}
.timeline-list{position:relative;padding-left:30px;}
.timeline-list::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2),#dbe8ff);
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 26px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(21,84,240,.12);
}
.tl-year{font-size:17px;font-weight:800;color:var(--brand);margin-bottom:4px;}
.tl-item h3{font-size:16px;margin-bottom:6px;}
.tl-item p{font-size:14px;color:var(--ink-2);}

/* ============ 项目服务 ============ */
.services{background:#fff;}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.service-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:#fff;transition:.28s;display:flex;flex-direction:column;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent;}
.service-thumb{position:relative;overflow:hidden;}
.service-thumb img:not(.site-img-wm__logo){width:100%;aspect-ratio:16/10;object-fit:cover;transition:.5s;}
.service-card:hover .service-thumb img:not(.site-img-wm__logo){transform:scale(1.06);}
.service-thumb .watermark{
  position:absolute;right:10px;bottom:10px;font-size:11.5px;font-weight:700;color:#fff;
  background:rgba(10,42,107,.6);padding:4px 10px;border-radius:7px;
}
.service-body{padding:22px 22px 26px;flex:1;display:flex;flex-direction:column;}
.service-body h3{font-size:17px;margin-bottom:10px;}
.service-body p{font-size:14px;color:var(--ink-2);flex:1;}
.service-body .more-link{margin-top:16px;font-size:13.5px;}

/* ============ 新闻资讯 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.client-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.client-card .news-body{gap:10px;}
.client-card .btn{width:100%;height:44px;margin-top:6px;}
.section-head h1{font-size:30px;line-height:1.3;letter-spacing:-.5px;}
.section-head h1 .hl{color:var(--brand);}
.page-body{color:var(--ink-2);font-size:16px;line-height:1.85;}
.page-body ul{margin:12px 0 0 1.2em;}

.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.28s;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent;}
.news-thumb{position:relative;overflow:hidden;}
.news-thumb img:not(.site-img-wm__logo){width:100%;aspect-ratio:16/9;object-fit:cover;transition:.5s;}
.news-card:hover .news-thumb img:not(.site-img-wm__logo){transform:scale(1.05);}
.news-thumb .watermark{
  position:absolute;right:10px;bottom:10px;font-size:11.5px;font-weight:700;color:#fff;
  background:rgba(10,42,107,.6);padding:4px 10px;border-radius:7px;
}
.news-col-badge{
  position:absolute;left:12px;top:12px;font-size:12px;font-weight:700;
  background:var(--brand);color:#fff;padding:4px 11px;border-radius:7px;
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:16.5px;line-height:1.5;margin-bottom:10px;}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{font-size:13.8px;color:var(--ink-2);flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:14px;margin-top:16px;font-size:12.5px;color:var(--ink-3);flex-wrap:wrap;}
.news-meta span{display:inline-flex;align-items:center;gap:5px;}

/* ============ 合作伙伴 ============ */
.partners{background:#fff;}
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.partner-card{
  border:1px solid var(--line);border-radius:14px;padding:24px 12px;text-align:center;
  background:var(--bg);transition:.26s;
}
.partner-card:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-4px);border-color:#d5e2ff;}
.partner-emoji{font-size:30px;line-height:1;margin-bottom:12px;}
.partner-card h3{font-size:14px;font-weight:700;margin-bottom:4px;}
.partner-card p{font-size:12px;color:var(--ink-3);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.24s;}
.faq-item.open{border-color:#c9dbff;box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);
}
.faq-q .icon{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;transition:.25s;
}
.faq-q .icon svg{width:13px;height:13px;stroke:var(--brand);fill:none;stroke-width:2.6;transition:.25s;}
.faq-item.open .faq-q .icon{background:var(--brand);}
.faq-item.open .faq-q .icon svg{stroke:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2);}
.faq-item.open .faq-a{max-height:260px;}

/* ============ 用户评论 ============ */
.comments{background:#fff;}
.comment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.comment-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:.26s;position:relative;
}
.comment-card:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-4px);}
.comment-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:46px;height:46px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:#fff;letter-spacing:.5px;
}
.comment-user h3{font-size:14.5px;margin-bottom:2px;}
.comment-user span{font-size:12px;color:var(--ink-3);}
.comment-stars{color:#ffb020;font-size:13px;letter-spacing:2px;margin-bottom:10px;}
.comment-card p{font-size:14px;color:var(--ink-2);}

/* ============ 精选热点 ============ */
.hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.hot-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:#fff;border:1px solid var(--line);transition:.28s;display:flex;flex-direction:column;
}
.hot-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent;}
.hot-thumb{position:relative;overflow:hidden;}
.hot-thumb img:not(.site-img-wm__logo){width:100%;aspect-ratio:16/9;object-fit:cover;transition:.5s;}
.hot-card:hover .hot-thumb img:not(.site-img-wm__logo){transform:scale(1.05);}
.hot-thumb .watermark{
  position:absolute;right:10px;bottom:10px;font-size:11.5px;font-weight:700;color:#fff;
  background:rgba(10,42,107,.6);padding:4px 10px;border-radius:7px;
}
.rank-badge{
  position:absolute;left:12px;top:12px;min-width:30px;height:30px;padding:0 9px;
  border-radius:9px;background:linear-gradient(135deg,var(--accent),#ff8a4c);
  color:#fff;font-size:14px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(255,90,31,.35);
}
.hot-body{padding:20px 22px 22px;}
.hot-body h3{font-size:16.5px;line-height:1.5;margin-bottom:10px;}
.hot-body h3 a:hover{color:var(--brand);}
.hot-body p{font-size:13.8px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hot-meta{display:flex;gap:14px;margin-top:14px;font-size:12.5px;color:var(--ink-3);flex-wrap:wrap;}

/* ============ 加入我们 ============ */
.join{
  background:linear-gradient(120deg,var(--brand-deep) 0%,var(--brand) 58%,#1f8bff 100%);
  color:#fff;text-align:center;padding:78px 0;position:relative;overflow:hidden;
}
.join::before,.join::after{
  content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.07);
}
.join::before{width:420px;height:420px;top:-180px;left:-120px;}
.join::after{width:520px;height:520px;bottom:-260px;right:-140px;}
.join .container{position:relative;z-index:2;}
.join h2{font-size:40px;letter-spacing:-1px;margin-bottom:16px;}
.join p{font-size:16px;color:rgba(255,255,255,.86);margin-bottom:32px;}
.join-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:#0a1730;color:rgba(255,255,255,.72);padding-top:60px;}
.footer-top{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo-badge{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:20px;max-width:340px;}
.footer-downloads{display:flex;gap:10px;flex-wrap:wrap;}
.dl-btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:9px;font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.86);transition:.2s;
}
.dl-btn:hover{background:var(--brand);border-color:var(--brand);color:#fff;}
.dl-btn svg{width:14px;height:14px;fill:currentColor;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a,.footer-col li{font-size:13.5px;color:rgba(255,255,255,.6);transition:.2s;}
.footer-col a:hover{color:#7fe3ff;}
.footer-contact li{display:flex;gap:9px;align-items:flex-start;line-height:1.7;}
.footer-contact .ico{color:#7fe3ff;flex-shrink:0;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:24px 0;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.45);
}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom-links a:hover{color:#7fe3ff;}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .main-nav a{padding:8px 9px;font-size:14px;}
  .search-form input{width:150px;}
  .search-form input:focus{width:170px;}
  .feature-grid,.service-grid,.news-grid,.comment-grid,.hot-grid,.client-grid{grid-template-columns:repeat(2,1fr);}
  .partner-grid{grid-template-columns:repeat(3,1fr);}
  .about-grid{grid-template-columns:1fr;gap:34px;}
  .timeline-grid{grid-template-columns:1fr;gap:26px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .main-nav,.header-tools .search-form,.header-tools .btn-download-top{display:none;}
  .hamburger{display:flex;}
  .header-inner{height:64px;gap:14px;justify-content:space-between;}
  .hero-slides{height:500px;}
  .hero-content h1{font-size:22px;white-space:normal;}
  .hero-content h2{font-size:32px;}
  .hero-content p{font-size:14.5px;}
  .hero-arrow{display:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 0;}
  .stat-item:nth-child(2){border-right:none;}
  .stat-num{font-size:30px;}
  .section{padding:48px 0;}
  .section-head h2,.about-text h2{font-size:24px;}
  .join h2{font-size:28px;}
  .feature-grid,.service-grid,.news-grid,.comment-grid,.hot-grid,.client-grid{grid-template-columns:1fr;}
  .partner-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero-slides{height:480px;}
  .hero-content h1{font-size:18px;white-space:normal;}
  .hero-content h2{font-size:26px;}
  .btn{height:46px;padding:0 22px;font-size:14px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:18px;}
  .stat-item:last-child{border-bottom:none;padding-bottom:0;}
  .logo-text{font-size:16px;}
  .logo-badge{padding:7px 13px 7px 10px;}
  .logo-badge svg{width:22px;height:22px;}
}

/* 开云同款：当前域名角标叠在采集图上 */
.site-img-wm{
  position:absolute;z-index:4;right:clamp(10px,2.4vw,16px);bottom:clamp(10px,2.4vw,16px);left:auto;
  display:inline-flex;align-items:center;gap:7px;box-sizing:border-box;min-width:0;
  max-width:calc(100% - 24px);padding:6px 10px 6px 8px;border-radius:8px;
  font-size:clamp(.65rem,1.6vw,.78rem);font-weight:700;letter-spacing:.02em;line-height:1.2;
  color:rgba(255,255,255,.96);text-shadow:0 1px 2px rgba(0,0,0,.85);
  background:rgba(0,0,0,.42);border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(4px);pointer-events:none;overflow:hidden;
}
.site-img-wm__logo{width:20px!important;height:20px!important;max-width:20px!important;max-height:20px!important;object-fit:contain;flex-shrink:0;border-radius:5px;box-shadow:0 1px 4px rgba(0,0,0,.25);position:static!important;inset:auto!important;aspect-ratio:auto!important;}
.site-img-wm__host{flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.hero-slide .site-img-wm{z-index:4;}

.article-wrap{padding:8px 0 48px;max-width:860px;}
.article-wrap .crumb{font-size:13px;color:var(--ink-3);margin-bottom:12px;}
.article-wrap .crumb a{color:var(--brand);}
.article-wrap h1{font-size:28px;line-height:1.4;margin:0 0 14px;word-break:break-word;}
.article-wrap .lede{font-size:16px;color:var(--ink-2);margin:0 0 18px;}
.article-body{font-size:16px;line-height:1.85;color:var(--ink);}
.article-body p{margin:0 0 14px;}
.article-body img:not(.site-img-wm__logo){max-width:100%;height:auto;border-radius:12px;margin:8px 0;}
.article-body .bigtit{font-size:18px;font-weight:700;margin:22px 0 10px;}