/* ============================================
   广州百众药业官网 · 多页版共享样式
   配色：百众海盐水蓝系（主色 #1475A8）+ 白；人文区金点缀
   ============================================ */
:root{
  --navy:#0E6FA5;          /* 深海蓝（Logo 浅蓝渐变深端，数据带/页脚/CTA） */
  --blue:#1475A8;          /* 百众海盐蓝（Logo 同系，品牌主色·装饰/大色块用） */
  --deep:#1475A8;          /* 深海蓝（文字/按钮/渐变标准色，白字对比达标） */
  --aqua:#8CD0EC;          /* 浅海蓝（渐变端点/点缀，呼应 Logo 背景） */
  --sky:#EAF6FC;           /* 淡海蓝（图标底/浅色块） */
  --sky-2:#F4FAFD;         /* 更浅海蓝（板块底色） */
  --ink:#1B3B56;
  --ink-2:#5F7A90;
  --line:#DCECF6;
  --gold:#C9A45C;
  --gold-l:#E5C98B;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  scroll-behavior:smooth;overflow-x:hidden;background:#fff;
  scroll-padding-top: 80px;
}
body{color:var(--ink);}
a{text-decoration:none;color:inherit;}
img{display:block;}
button{font-family:inherit;}
::selection{background:rgba(20,117,168,.15);}
/* ============ 导航 ============ */
.header{
  position:fixed;top:0;left:0;width:100%;
  height:66px;    /* 固定导航高度 66px */
  max-height:66px;
  overflow:visible;
  z-index:10000;
  display:flex;justify-content:space-between;align-items:center;
  padding:0 5%;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.header.scrolled{box-shadow:0 4px 20px rgba(14,111,165,.08);}
.logo-box{
  display:flex;
  align-items:center;
  gap:22px; /* logo图片与文字间距 */
}
.logo-box img{
  height:78px;
  width:auto;
  object-fit:contain;
}
.logo-box span{font-size:18.5px;color:var(--navy);font-weight:700;letter-spacing:.5px;white-space:nowrap;}
.logo-text-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.2;
}
.logo-en {
  font-size: 11px;
  color: #888;
  margin-top: 2px;
  letter-spacing: 0.5px;
}
.nav{display:flex;align-items:center;gap:30px;}
.nav a{font-size:15px;color:var(--ink-2);padding:25px 0;border-bottom:3px solid transparent;transition:all .25s ease;}
.nav a:hover,.nav a.active{color:var(--deep);border-bottom-color:var(--deep);}
.header-phone{font-size:14px;color:var(--navy);font-weight:600;white-space:nowrap;}
.header-phone span{color:var(--ink-2);font-weight:400;margin-right:6px;}
.menu-btn{display:none;font-size:24px;color:var(--navy);cursor:pointer;}
@media (max-width:980px){
  .header-phone{display:none;}
  .menu-btn{display:block;}
  .nav{
    position:fixed;top:66px;left:0;width:100%;background:#fff;
    flex-direction:column;gap:0;align-items:stretch;
    border-bottom:1px solid var(--line);
    transform:translateY(-10px);opacity:0;visibility:hidden;transition:.25s ease;
  }
  .nav.open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav a{padding:15px 5%;font-size:16px;border-bottom:1px solid var(--sky-2);}
}
/* ============ 通用容器 / 区块 ============ */
.container{width:min(1200px,92%);margin:0 auto;}
.section{padding:90px 0;}
.section.alt{background:var(--sky-2);}
.sec-head{text-align:center;margin-bottom:52px;}
.sec-head h2{font-size:32px;color:var(--navy);font-weight:700;letter-spacing:1px;margin-bottom:14px;}
.sec-head .line{width:44px;height:3px;background:var(--deep);margin:0 auto 18px;}
.sec-head p{font-size:15px;color:var(--ink-2);max-width:620px;margin:0 auto;line-height:1.85;}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
.btn{
  display:inline-block;border-radius:4px;font-size:15px;font-weight:600;
  padding:13px 36px;transition:all .28s ease;cursor:pointer;
}
.btn-primary{background:var(--deep);color:#fff;border:1px solid var(--deep);}
.btn-primary:hover{background:var(--navy);border-color:var(--navy);box-shadow:0 8px 20px rgba(20,117,168,.28);}
.btn-ghost{border:1px solid var(--deep);color:var(--deep);background:transparent;}
.btn-ghost:hover{background:var(--deep);color:#fff;}
.more-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--deep);font-weight:600;
  transition:gap .25s ease;
}
.more-link:hover{gap:13px;}
.more-link svg{width:16px;height:16px;stroke:var(--deep);}
/* ============ 首屏（首页） ============ */
#hero{
  position:relative;min-height:94vh;
  display:flex;align-items:center;padding:110px 0 90px;overflow:hidden;background:#fff;
}
.hero-bg{
  position:absolute;
  inset:-3%;
  z-index:0;
  pointer-events: none;
  overflow: hidden;
}
/* 视频背景 */
.hero-bg video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 88%;           /* 整体缩小到 88%，众字就完整了 */
  height: auto;
  object-fit: contain;  /* 完整显示，不裁剪 */
}
@keyframes kenburns{from{transform:scale(1.02)}to{transform:scale(1.1)}}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(255,255,255,.78) 0%,rgba(255,255,255,.35) 38%,rgba(255,255,255,.05) 62%,rgba(255,255,255,0) 78%);
  pointer-events: none;
}
.hero-content{position:relative;z-index:2;max-width:660px;}
.hero-eyebrow{
  font-size:13.5px;color:var(--deep);letter-spacing:3px;font-weight:600;margin-bottom:22px;
}
.hero-eyebrow::before{content:"";display:inline-block;width:34px;height:2px;background:var(--deep);vertical-align:middle;margin-right:12px;}
.hero-title{font-size:88px;line-height:1.1;color:var(--navy);font-weight:800;letter-spacing:6px;margin-bottom:24px;}
.hero-title em{font-style:normal;color:var(--deep);}
.hero-tagline{font-size:17px;line-height:1.6;color:var(--ink-2);margin-bottom:44px;letter-spacing:2px;}
.hero-sub{font-size:16.5px;line-height:2;color:var(--ink-2);margin-bottom:36px;max-width:540px;}
.hero-cta{display:flex;gap:16px;}
.hero-scroll{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;
  font-size:12px;color:var(--ink-2);letter-spacing:2px;
}
.hero-scroll::after{
  content:"";display:block;width:1.5px;height:28px;margin:8px auto 0;
  background:linear-gradient(to bottom,var(--deep),transparent);
  animation:scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine{0%,100%{transform:scaleY(.4);transform-origin:top;}50%{transform:scaleY(1);transform-origin:top;}}
.fade{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease;}
.hero-ready .fade{opacity:1;transform:translateY(0);}
.f-2{transition-delay:.15s;} .f-3{transition-delay:.3s;} .f-4{transition-delay:.45s;}
/* ============ 数据带 ============ */
.data-band{background:linear-gradient(120deg,#0E6FA5 0%,#1475A8 100%);padding:64px 0;}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.data-item{text-align:center;padding:6px 0;position:relative;}
.data-item:not(:last-child)::after{
  content:"";position:absolute;right:0;top:12%;height:76%;width:1px;background:rgba(255,255,255,.18);
}
.data-num{font-size:40px;font-weight:700;color:#fff;margin-bottom:10px;letter-spacing:1px;}
.data-label{font-size:14px;color:rgba(255,255,255,.75);letter-spacing:1px;}
/* ============ 首页摘要块：图文左右 ============ */
.summary{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.summary.rev .sum-img{order:2;}
.sum-img{position:relative;}
.sum-img img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:8px;box-shadow:0 18px 48px rgba(14,111,165,.14);}
.sum-img .cap{
  position:absolute;left:18px;bottom:18px;background:var(--navy);color:#fff;
  padding:9px 18px;font-size:13px;letter-spacing:1px;border-radius:4px;
}
.sum-text h2{font-size:28px;color:var(--navy);font-weight:700;margin-bottom:14px;}
.sum-text .line{width:42px;height:3px;background:var(--deep);margin-bottom:22px;}
.sum-text p{font-size:14.5px;line-height:2;color:var(--ink-2);margin-bottom:20px;}
.sum-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:26px;}
.sum-col{border-left:3px solid var(--deep);padding-left:14px;}
.sum-col h4{font-size:14.5px;color:var(--navy);margin-bottom:6px;}
.sum-col p{font-size:13px;line-height:1.8;color:var(--ink-2);margin:0;}
/* 首页资质摘要 */
.cert-mini{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.cert-mini .cm{position:relative;cursor:pointer;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:all .3s ease;background:#fff;}
.cert-mini .cm:hover{box-shadow:0 14px 36px rgba(14,111,165,.12);transform:translateY(-4px);}
.cert-mini .cm img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.cert-mini .cm .cp{padding:13px 16px;font-size:14px;color:var(--navy);font-weight:600;display:flex;justify-content:space-between;align-items:center;}
.cert-mini .cm .cp span{font-size:12px;color:var(--ink-2);font-weight:400;}
/* 首页优势摘要 */
.adv-mini{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:22px;margin-bottom:36px;}
.am{background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px 24px;transition:all .3s ease;}
.am:hover{box-shadow:0 14px 36px rgba(14,111,165,.1);transform:translateY(-4px);}
.am .ai{width:46px;height:46px;border-radius:50%;background:var(--sky);color:var(--deep);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.am .ai svg{width:21px;height:21px;stroke:var(--deep);}
.am h3{font-size:15.5px;color:var(--navy);margin-bottom:8px;}
.am p{font-size:12.5px;color:var(--ink-2);line-height:1.8;}
/* 首页合作摘要 */
.mode-mini{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-bottom:36px;}
.mm{border:1px solid var(--line);border-radius:8px;padding:32px 30px;background:#fff;position:relative;overflow:hidden;transition:all .3s ease;}
.mm:hover{box-shadow:0 14px 36px rgba(14,111,165,.1);transform:translateY(-4px);}
.mm::before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:var(--deep);}
.mm .tag{display:inline-block;font-size:11.5px;color:var(--deep);letter-spacing:2px;border:1px solid var(--deep);padding:3px 10px;border-radius:3px;margin-bottom:14px;}
.mm h3{font-size:18px;color:var(--navy);margin-bottom:10px;}
.mm p{font-size:13.5px;color:var(--ink-2);line-height:1.85;}
/* 首页联系 CTA */
.cta-band{background:var(--sky-2);padding:70px 0;text-align:center;color:var(--navy);margin-bottom:0;border-radius:0;width:100%;margin-left:0;margin-right:0;}
.cta-band h2{font-size:30px;font-weight:700;margin-bottom:14px;letter-spacing:1px;color:var(--navy);}
.cta-band p{font-size:14.5px;color:var(--ink-2);margin-bottom:30px;}
.cta-phone{font-size:26px;font-weight:700;letter-spacing:1px;margin-bottom:26px;color:var(--deep);}
.btn-white{background:var(--deep);color:#fff;border:1px solid var(--deep);}
.btn-white:hover{background:var(--navy);color:#fff;}
/* ============ 子页 banner ============ */
.page-banner{
  position:relative;padding:150px 0 64px;
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,42,70,.82) 0%,rgba(7,42,70,.55) 48%,rgba(7,42,70,.28) 100%);
}
.page-banner .container{position:relative;z-index:1;}
.page-banner h1{font-size:38px;font-weight:700;letter-spacing:2px;}
.page-banner .crumb{font-size:13px;color:rgba(255,255,255,.85);margin-top:12px;letter-spacing:1px;}
.page-banner .crumb a{color:rgba(255,255,255,.9);}
.page-banner .crumb a:hover{color:#fff;}
/* ============ 关于页 ============ */
.about-lead{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;}
.about-lead img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:8px;box-shadow:0 18px 48px rgba(14,111,165,.14);}
.about-lead h2{font-size:27px;color:var(--navy);font-weight:700;margin-bottom:14px;}
.about-lead .line{width:42px;height:3px;background:var(--deep);margin-bottom:22px;}
.about-lead p{font-size:14.5px;line-height:2;color:var(--ink-2);margin-bottom:16px;}
.info-cards{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin-top:34px;}
.ic{border:1px solid var(--line);border-radius:8px;padding:22px 20px;background:#fff;}
.ic .k{font-size:12px;color:var(--ink-2);margin-bottom:8px;letter-spacing:1px;}
.ic .v{font-size:14px;color:var(--navy);font-weight:600;line-height:1.7;}
/* 企业文化 */
.culture{background:linear-gradient(140deg,#0E6FA5 0%,#1475A8 65%,#1E86BB 100%);padding:96px 0;color:#fff;width:75%;margin:0 auto 40px auto;border-radius:8px;}
.culture-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.culture-slogan .eyebrow{font-size:12.5px;color:rgba(255,255,255,.55);letter-spacing:3px;margin-bottom:18px;}
.culture-slogan h2{font-size:38px;font-weight:700;letter-spacing:2px;margin-bottom:18px;}
.culture-slogan h2 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--gold-l),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.culture-slogan p{font-size:15px;color:rgba(255,255,255,.72);line-height:1.9;max-width:460px;}
.culture-cols{display:flex;flex-direction:column;gap:20px;}
.culture-col{border-left:3px solid rgba(229,201,139,.6);padding-left:22px;}
.culture-col h4{font-size:17px;margin-bottom:8px;letter-spacing:1px;}
.culture-col p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.9;}
/* ============ 资质页 ============ */
.cert-page{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:980px;margin:0 auto;}
.cert-item{position:relative;cursor:pointer;border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden;transition:all .3s ease;}
.cert-item:hover{box-shadow:0 14px 36px rgba(14,111,165,.12);transform:translateY(-4px);}
.cert-item img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.cert-cap{padding:16px 20px;display:flex;justify-content:space-between;align-items:center;font-size:15px;color:var(--navy);font-weight:600;}
.cert-cap span{font-size:12.5px;color:var(--ink-2);font-weight:400;}
.cert-note{border:1px solid var(--line);border-radius:8px;padding:26px 30px;background:var(--sky-2);margin-top:36px;}
.cert-note h4{font-size:15px;color:var(--navy);margin-bottom:10px;}
.cert-note p{font-size:13.5px;color:var(--ink-2);line-height:1.9;}
/* ============ 优势页 ============ */
.adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.adv-item{background:#fff;border:1px solid var(--line);border-radius:8px;padding:38px 32px;transition:all .3s ease;}
.adv-item:hover{box-shadow:0 14px 36px rgba(14,111,165,.1);transform:translateY(-4px);}
.adv-item .no{font-size:32px;font-weight:700;color:var(--sky-2);margin-bottom:6px;line-height:1;}
.adv-item .no b{color:var(--deep);}
.adv-item h3{font-size:18.5px;color:var(--navy);margin-bottom:12px;}
.adv-item p{font-size:13.5px;color:var(--ink-2);line-height:1.9;}
/* ============ 合作页 ============ */
.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.mode-item{border:1px solid var(--line);border-radius:8px;padding:40px 36px;background:#fff;position:relative;overflow:hidden;transition:all .3s ease;}
.mode-item:hover{box-shadow:0 14px 36px rgba(14,111,165,.1);transform:translateY(-4px);}
.mode-item::before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:var(--deep);}
.mode-tag{display:inline-block;font-size:12px;color:var(--deep);letter-spacing:2px;border:1px solid var(--deep);padding:4px 12px;border-radius:3px;margin-bottom:16px;}
.mode-item h3{font-size:20px;color:var(--navy);margin-bottom:12px;}
.mode-item p{font-size:14px;color:var(--ink-2);line-height:1.9;}
.steps{display:grid;grid-template-columns:1fr 1fr 1fr;gap:26px;counter-reset:st;}
.step{background:#fff;border:1px solid var(--line);border-radius:8px;padding:30px 26px;position:relative;}
.step::before{
  counter-increment:st;content:"0" counter(st);
  font-size:30px;font-weight:700;color:#B8DCEF;display:block;margin-bottom:12px;
}
.step h4{font-size:15.5px;color:var(--navy);margin-bottom:8px;}
.step p{font-size:13px;color:var(--ink-2);line-height:1.85;}
/* ============ 联系页 ============ */
.contact-wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px;align-items:stretch;}
.contact-left,.form-card{min-width:0;}
.contact-left{background:linear-gradient(140deg,#0E6FA5,#1475A8);border-radius:8px;padding:46px 40px;color:#fff;}
.contact-left h2{font-size:25px;font-weight:700;margin-bottom:14px;line-height:1.4;}
.contact-left>p{font-size:14px;color:rgba(255,255,255,.75);line-height:1.9;margin-bottom:28px;}
.contact-phone{border-top:1px solid rgba(255,255,255,.2);border-bottom:1px solid rgba(255,255,255,.2);padding:20px 0;margin-bottom:24px;}
.contact-phone .k{font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:2px;margin-bottom:6px;}
.contact-phone .v{font-size:27px;font-weight:700;letter-spacing:1px;}
.contact-steps{display:flex;flex-direction:column;gap:13px;}
.contact-steps div{display:flex;align-items:center;gap:12px;font-size:13.5px;color:rgba(255,255,255,.85);}
.contact-steps .no{width:24px;height:24px;border-radius:50%;border:1px solid rgba(255,255,255,.5);display:flex;align-items:center;justify-content:center;font-size:12px;flex:none;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:42px 38px;}
.form-card h3{font-size:20px;color:var(--navy);margin-bottom:8px;}
.form-tip{font-size:13px;color:var(--ink-2);margin-bottom:24px;}
.form-line{margin-bottom:19px;}
.form-line label{display:block;font-size:13.5px;color:var(--navy);margin-bottom:7px;font-weight:600;}
.form-line input,.form-line textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:5px;
  font-size:15px;color:var(--navy);background:#fff;transition:all .25s ease;
}
.form-line input:focus,.form-line textarea:focus{
  outline:none;border-color:var(--deep);box-shadow:0 0 0 3px rgba(20,117,168,.1);
}
.form-line textarea{height:100px;resize:none;}
.form-submit{width:100%;padding:14px;border:none;border-radius:5px;cursor:pointer;background:var(--deep);color:#fff;font-size:15.5px;font-weight:600;transition:all .28s ease;}
.form-submit:hover{background:var(--navy);}
/* ============ 页脚 ============ */
.footer{background:#0E6FA5;color:#D7E6F4;text-align:center;padding:42px 20px 34px;font-size:13px;line-height:2;}
.footer a{color:#D7E6F4;}
.footer a:hover{color:#fff;}
.beian{
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap; /* 手机宽度不足自动换行 */
  gap: 4px;
  margin:12px 0;
}
.beian .sep{
  color:#7FA8C8;
  margin:0 8px;
}
.beian a,
.beian span,
.beian img.gongan-icon {
  flex-shrink: 0; /* 防止公安图标压缩变形 */
}
.gongan-icon{vertical-align:middle;width:16px;height:17px;margin-right:4px;}
.footer .policy{margin-top:10px;color:#C2D8EA;}
/* ============ 弹窗 / 提示 ============ */
.modal{position:fixed;inset:0;background:rgba(14,111,165,.85);z-index:20000;display:none;align-items:center;justify-content:center;padding:24px;}
.modal img{max-width:92%;max-height:90%;border-radius:6px;box-shadow:0 30px 80px rgba(0,0,0,.4);}
.modal-close{position:absolute;top:26px;right:34px;color:#fff;font-size:34px;cursor:pointer;line-height:1;}
.privacy-modal{position:fixed;inset:0;background:rgba(14,111,165,.85);z-index:20000;display:none;align-items:center;justify-content:center;padding:20px;}
.privacy-box{width:min(92%,720px);background:#fff;border-radius:8px;max-height:82vh;overflow-y:auto;padding:34px;color:#334155;line-height:1.9;font-size:14.5px;}
.privacy-box h3{text-align:center;margin-bottom:20px;color:var(--navy);font-size:19px;}
.privacy-close{display:block;margin:20px auto 0;padding:10px 34px;background:var(--deep);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:15px;}
.success-tip{position:fixed;top:86px;right:30px;background:#00a651;color:#fff;padding:14px 26px;border-radius:6px;z-index:30000;box-shadow:0 10px 30px rgba(0,0,0,.15);}
/* ============ 响应式 ============ */
@media (max-width:1080px){
  .hero-title{font-size:56px;}
  .adv-mini{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  #hero{min-height:86vh;padding:96px 0 80px;}
  .hero-title{font-size:44px;letter-spacing:3px;margin-bottom:20px;}
  .hero-tagline{font-size:15px;margin-bottom:30px;}
  .hero-overlay{background:linear-gradient(180deg,rgba(255,255,255,.93) 0%,rgba(255,255,255,.6) 60%,rgba(255,255,255,.2) 100%);}
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 0;}
  .data-item:nth-child(2)::after{display:none;}
  .summary{grid-template-columns:1fr;gap:36px;}
  .summary.rev .sum-img{order:0;}
  .cert-mini{grid-template-columns:1fr;max-width:520px;margin:0 auto;}
  .adv-mini{grid-template-columns:1fr 1fr;}
  .mode-mini{grid-template-columns:1fr;}
  .about-lead{grid-template-columns:1fr;gap:36px;}
  .info-cards{grid-template-columns:1fr;gap:14px;}
  .culture-inner{grid-template-columns:1fr;gap:40px;}
  .cert-page{grid-template-columns:1fr;max-width:560px;}
  .adv-grid{grid-template-columns:1fr;}
  .mode-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:18px;}
  .contact-wrap{grid-template-columns:minmax(0,1fr);}
  .section{padding:64px 0;}
  .cta-band{padding:56px 0;}
  .page-banner{padding:100px 0 52px;}
}
@media (max-width:640px){
  .hero-title{font-size:38px;margin-bottom:16px;}
  .hero-tagline{font-size:14px;margin-bottom:24px;}
  .hero-cta{flex-direction:column;}
  .btn{text-align:center;}
  .adv-mini{grid-template-columns:1fr;}
  .form-card{padding:28px 20px;}
  .contact-left{padding:32px 24px;}
  .data-num{font-size:30px;}
  .culture-slogan h2{font-size:30px;}
  .logo-box span{font-size:15px;max-width:44vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal,.fade{opacity:1!important;transform:none!important;}
}
/* ===== 走进百众 · 板块入口卡 ===== */
.gate-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.gate{
  display:block;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:32px 26px 26px;transition:all .3s ease;position:relative;overflow:hidden;
}
.gate::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--deep),var(--aqua));transition:width .35s ease;}
.gate:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(14,111,165,.10);border-color:#BFE3F5;}
.gate:hover::after{width:100%;}
.gi{
  display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;
  background:var(--sky);color:var(--deep);margin-bottom:20px;transition:all .3s ease;
}
.gi svg{width:26px;height:26px;stroke:currentColor;}
.gate:hover .gi{background:var(--deep);color:#fff;transform:scale(1.06);}
.gate h3{font-size:19px;color:var(--navy);margin-bottom:10px;font-weight:700;}
.gate p{font-size:13.5px;color:var(--ink-2);line-height:1.7;margin-bottom:18px;}
.go{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--deep);font-weight:600;}
.go svg{width:16px;height:16px;stroke:currentColor;transition:transform .3s ease;}
.gate:hover .go svg{transform:translateX(4px);}
@media (max-width:992px){.gate-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.gate-grid{grid-template-columns:1fr;}}
/* 手机端：不加载视频，用静态图 */
@media (max-width: 768px) {
  .hero-bg video {
    display: none;
  }
  .hero-bg {
    background: url('/static/images/hero_bg.png') 35% center no-repeat;
    background-size: cover;
  }
}