*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  font-size:15px;line-height:1.7;color:#1f2d3d;
  background:#ffffff;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:all .25s ease}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
table{border-collapse:collapse;width:100%}

:root{
  --c-primary:#1356c0;
  --c-primary-dark:#0a2a5e;
  --c-primary-light:#3a8dff;
  --c-accent:#36c2ff;
  --c-text:#1f2d3d;
  --c-text-2:#5a6b80;
  --c-text-3:#8a98ad;
  --c-border:#e3e9f4;
  --c-bg:#ffffff;
  --c-bg-soft:#f4f8ff;
  --c-bg-soft-2:#eef4ff;
  --shadow-sm:0 2px 8px rgba(19,86,192,.06);
  --shadow-md:0 8px 24px rgba(19,86,192,.10);
  --shadow-lg:0 20px 50px rgba(19,86,192,.14);
  --radius:10px;
  --container:1240px;
}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.site-header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 1px 0 rgba(19,86,192,.08);border-bottom:1px solid var(--c-border)}
.topbar{background:linear-gradient(90deg,#0a2a5e 0%,#1356c0 100%);color:rgba(255,255,255,.92);font-size:12px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:36px;gap:12px;flex-wrap:wrap}
.topbar a{color:rgba(255,255,255,.95)}
.topbar a:hover{color:#fff;text-shadow:0 0 6px rgba(255,255,255,.6)}
.topbar .dot{margin:0 8px;opacity:.6}
.topbar .divider{margin:0 10px;opacity:.5}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:80px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-logo{width:52px;height:52px;border-radius:12px;box-shadow:var(--shadow-sm)}
.brand-name{font-size:20px;font-weight:700;color:var(--c-primary-dark);letter-spacing:.5px}
.brand-sub{font-size:12px;color:var(--c-text-2);margin-top:2px}

.main-nav{flex:1}
.nav-list{display:flex;justify-content:flex-end;gap:6px;flex-wrap:wrap}
.nav-link{
  position:relative;display:inline-block;padding:10px 18px;
  font-size:15px;font-weight:500;color:var(--c-text);
  border-radius:8px;transition:all .25s ease;
}
.nav-link:hover,.nav-link.active{color:var(--c-primary);background:var(--c-bg-soft)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:-4px;transform:translateX(-50%);
  width:24px;height:3px;background:var(--c-primary);border-radius:3px;
}

.menu-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:8px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--c-primary-dark);border-radius:2px;transition:all .3s}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.compliance-notice{background:#eef4ff;border-top:3px solid var(--c-primary);border-bottom:1px solid #d4e2fb;padding:16px 0}
.compliance-notice .container{display:block}
.cn-head{display:flex;align-items:center;margin-bottom:8px}
.cn-tag{display:inline-flex;align-items:center;background:var(--c-primary);color:#fff;font-size:13px;font-weight:700;padding:4px 14px;border-radius:6px;letter-spacing:1px}
.cn-text{font-size:14px;line-height:1.8;color:#2b3a55;margin:0}
.cn-text + .cn-text{margin-top:6px}
@media (max-width:600px){
  .cn-text{font-size:13px;line-height:1.7}
}

.carousel{position:relative;width:100%;overflow:hidden;background:linear-gradient(135deg,#0a2a5e 0%,#1356c0 55%,#3a8dff 100%)}
.carousel-inner{position:relative;margin:0 auto;overflow:hidden}
.carousel-track{display:flex;transition:transform .6s cubic-bezier(.4,0,.2,1);will-change:transform}
.carousel-slide{min-width:100%;position:relative;display:flex;align-items:center}
.carousel-slide .slide-link{display:block;width:100%;height:100%}
.slide-text{width:100%;max-width:1440px;margin:0 auto;padding:48px 28px;color:#fff;font-family:"Microsoft YaHei","PingFang SC",sans-serif}
.slide-eyebrow{display:block;font-size:13px;letter-spacing:3px;opacity:.82;margin-bottom:14px}
.slide-badge{display:inline-block;padding:5px 16px;border-radius:20px;background:linear-gradient(90deg,#1356c0,#3a8dff);color:#fff;font-size:14px;font-weight:700;margin:0 0 16px}
.slide-title{font-size:clamp(26px,3.6vw,46px);font-weight:800;line-height:1.16;margin-bottom:16px;text-shadow:0 2px 14px rgba(10,42,94,.25)}
.slide-desc{font-size:clamp(14px,1.5vw,18px);line-height:1.7;opacity:.92;max-width:660px}
.slide-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.slide-btn{display:inline-block;padding:12px 26px;border-radius:8px;font-size:15px;font-weight:700}
.slide-btn--solid{background:#fff;color:#0a2a5e}
.slide-btn--ghost{border:2px solid rgba(255,255,255,.72);color:#fff}
.slide-text--split{display:flex;align-items:center;justify-content:space-between;gap:44px}
.slide-main{flex:1;min-width:0}
.slide-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px;flex-shrink:0;width:360px}
.slide-stats li{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:12px;padding:14px 16px}
.slide-stats b{display:block;font-size:26px;font-weight:800;line-height:1.1}
.slide-stats span{font-size:13px;opacity:.9}
.slide-steps{flex-shrink:0;width:430px;display:flex;flex-direction:column;gap:12px}
.slide-steps li{display:flex;align-items:center;gap:12px;font-size:15px;line-height:1.4}
.slide-steps i{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:#fff;color:#0a2a5e;font-style:normal;font-weight:700;display:flex;align-items:center;justify-content:center}
@media (max-width:900px){
  .slide-text{padding:34px 20px}
  .slide-text--split{flex-direction:column;align-items:flex-start;gap:22px}
  .slide-stats,.slide-steps{width:100%}
}
.carousel-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.18);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  color:#fff;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.3);
  transition:all .25s ease;
}
.carousel-arrow:hover{background:rgba(255,255,255,.32);transform:translateY(-50%) scale(1.06)}
.carousel-arrow.prev{left:24px}
.carousel-arrow.next{right:24px}
.carousel-dots{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);display:flex;gap:10px}
.carousel-dots .dot{width:30px;height:4px;border-radius:4px;background:rgba(255,255,255,.4);transition:all .3s}
.carousel-dots .dot.active{background:#fff;width:48px}

.section-title{
  text-align:center;font-size:30px;font-weight:700;color:var(--c-primary-dark);
  display:flex;align-items:baseline;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:16px;
}
.section-title span{position:relative;padding-bottom:6px}
.section-title span::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:60px;height:3px;background:linear-gradient(90deg,var(--c-primary) 0%,var(--c-accent) 100%);border-radius:3px;
}
.section-title small{font-size:13px;color:var(--c-text-3);font-weight:500;letter-spacing:2px;text-transform:uppercase}
.section-head{margin-bottom:40px}
.section-tip{
  text-align:center;color:var(--c-text-2);font-size:14px;margin-top:6px;
}
.section-tip strong{color:var(--c-primary);font-weight:700}

.quick-nav{padding:60px 0;background:#fff}
.quick-grid{
  display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-top:32px;
}
.quick-card{
  display:block;padding:28px 20px;text-align:center;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);
  transition:all .3s ease;position:relative;overflow:hidden;
}
.quick-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,var(--c-bg-soft) 0%,transparent 60%);
  opacity:0;transition:opacity .3s;
}
.quick-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-md);
  border-color:var(--c-primary-light);
}
.quick-card:hover::before{opacity:1}
.quick-icon{position:relative;width:64px;height:64px;margin:0 auto 14px}
.quick-card h3{position:relative;font-size:16px;color:var(--c-primary-dark);margin-bottom:6px;font-weight:700}
.quick-card p{position:relative;font-size:13px;color:var(--c-text-2);line-height:1.55}

.orgs{padding:70px 0;background:linear-gradient(180deg,#f4f8ff 0%,#fff 100%)}
.org-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:30px 0 40px;
}
.stat-card{
  background:#fff;padding:28px 20px;text-align:center;border-radius:var(--radius);
  box-shadow:var(--shadow-sm);border:1px solid var(--c-border);
  transition:all .3s;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.stat-num{font-size:42px;font-weight:800;color:var(--c-primary);line-height:1.1;letter-spacing:-1px}
.stat-label{margin-top:8px;color:var(--c-text-2);font-size:14px}

.org-table-wrap{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);
  border:1px solid var(--c-border);overflow:hidden;
}
.org-table{width:100%;font-size:14px}
.org-table thead{
  background:linear-gradient(90deg,var(--c-primary) 0%,var(--c-primary-light) 100%);
  color:#fff;
}
.org-table th{padding:16px 14px;font-weight:600;text-align:left;font-size:14px;white-space:nowrap}
.org-table td{padding:14px;border-top:1px solid var(--c-border);color:var(--c-text)}
.org-table tbody tr{transition:background .2s}
.org-table tbody tr:hover{background:var(--c-bg-soft-2)}
.org-table tbody tr:nth-child(even){background:#fafcff}
.org-table tbody tr:nth-child(even):hover{background:var(--c-bg-soft-2)}

.guide{padding:70px 0;background:#fff}
.guide-tabs{
  display:flex;gap:6px;justify-content:center;flex-wrap:wrap;
  background:var(--c-bg-soft);padding:8px;border-radius:14px;margin-bottom:32px;
  border:1px solid var(--c-border);
}
.tab-btn{
  padding:12px 22px;border-radius:10px;font-size:14px;font-weight:600;
  color:var(--c-text-2);transition:all .25s;
}
.tab-btn:hover{color:var(--c-primary);background:rgba(255,255,255,.6)}
.tab-btn.active{
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-light) 100%);
  color:#fff;box-shadow:0 4px 14px rgba(19,86,192,.32);
}
.guide-panels{position:relative}
.guide-panel{display:none;animation:fadeIn .4s ease}
.guide-panel.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

.news-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.news-item{
  display:flex;gap:20px;padding:24px;background:#fff;
  border:1px solid var(--c-border);border-radius:var(--radius);
  transition:all .3s;
}
.news-item:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--c-primary-light)}
.news-date{
  flex-shrink:0;width:80px;text-align:center;
  background:linear-gradient(180deg,var(--c-primary) 0%,var(--c-primary-light) 100%);
  color:#fff;border-radius:10px;padding:12px 8px;height:fit-content;
}
.news-date .day{display:block;font-size:30px;font-weight:800;line-height:1}
.news-date .ym{display:block;font-size:12px;margin-top:4px;opacity:.9}
.news-body h3{font-size:17px;color:var(--c-primary-dark);margin-bottom:8px;line-height:1.45}
.news-body p{font-size:14px;color:var(--c-text-2);line-height:1.65;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.read-more{display:inline-block;margin-top:10px;font-size:13px;color:var(--c-primary);font-weight:600}
.read-more:hover{color:var(--c-primary-dark);transform:translateX(2px)}

.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.level-card{
  background:#fff;padding:30px 26px;border-radius:var(--radius);
  border:1px solid var(--c-border);transition:all .3s;position:relative;overflow:hidden;
}
.level-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent))}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.level-card.highlight{background:linear-gradient(180deg,#fff 0%,#f4f8ff 100%);border-color:var(--c-primary-light);box-shadow:var(--shadow-sm)}
.level-card.highlight::before{height:6px}
.level-tag{
  display:inline-block;padding:4px 12px;border-radius:20px;
  background:var(--c-bg-soft);color:var(--c-primary);font-size:13px;font-weight:700;margin-bottom:12px;
}
.level-card h3{font-size:18px;color:var(--c-primary-dark);margin-bottom:14px}
.level-card ul li{
  position:relative;padding:6px 0 6px 20px;font-size:14px;color:var(--c-text-2);
}
.level-card ul li::before{
  content:"";position:absolute;left:0;top:13px;width:8px;height:8px;
  background:var(--c-primary-light);border-radius:50%;
}
.guide-note{
  margin-top:24px;padding:16px 20px;background:#fff8e6;border:1px solid #ffe0a0;
  border-left:4px solid #f5a623;border-radius:8px;font-size:13px;color:#7a5a18;
}

.step-list{
  counter-reset:step;display:grid;grid-template-columns:1fr 1fr;gap:18px;
  background:var(--c-bg-soft);padding:30px;border-radius:var(--radius);
}
.step-list li{
  counter-increment:step;position:relative;padding:18px 20px 18px 70px;
  background:#fff;border-radius:10px;border:1px solid var(--c-border);
  font-size:14px;color:var(--c-text);line-height:1.6;
  transition:all .3s;
}
.step-list li:hover{transform:translateX(4px);box-shadow:var(--shadow-sm);border-color:var(--c-primary-light)}
.step-list li::before{
  content:counter(step,"0");position:absolute;left:18px;top:18px;
  width:38px;height:38px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));
  color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:-.5px;
}
.step-list li strong{color:var(--c-primary-dark);font-weight:700;margin-right:6px}

.material-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.material-item{
  background:#fff;padding:28px 24px;border-radius:var(--radius);
  border:1px solid var(--c-border);
}
.material-item h4{font-size:18px;color:var(--c-primary-dark);margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--c-bg-soft)}
.material-item ul li{position:relative;padding:8px 0 8px 22px;font-size:14px;color:var(--c-text-2)}
.material-item ul li::before{
  content:"✓";position:absolute;left:0;top:9px;color:var(--c-primary);font-weight:700;
}
.material-item.download{
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-light) 100%);
  color:#fff;border:none;display:flex;flex-direction:column;
}
.material-item.download h4{color:#fff;border-color:rgba(255,255,255,.25)}
.material-item.download p{font-size:14px;line-height:1.7;opacity:.92;flex:1}
.btn-primary{
  display:inline-block;margin-top:16px;padding:10px 22px;background:#fff;color:var(--c-primary);
  border-radius:8px;font-weight:700;font-size:14px;text-align:center;
  transition:all .25s;
}
.btn-primary:hover{background:#f4f8ff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.15)}

.exam-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.exam-card{
  background:linear-gradient(180deg,#fff 0%,#fafcff 100%);
  padding:28px 24px;border-radius:var(--radius);border:1px solid var(--c-border);
  transition:all .3s;
}
.exam-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-primary-light)}
.exam-card h4{font-size:18px;color:var(--c-primary-dark);margin-bottom:10px}
.exam-meta{
  display:inline-block;padding:3px 10px;background:var(--c-bg-soft);
  color:var(--c-primary);border-radius:20px;font-size:12px;margin-bottom:12px;font-weight:600;
}
.exam-card p{font-size:14px;color:var(--c-text-2);line-height:1.7}
.exam-card strong{color:var(--c-primary-dark)}

.cert-content{
  background:linear-gradient(180deg,#fff 0%,#f4f8ff 100%);
  padding:32px 36px;border-radius:var(--radius);border:1px solid var(--c-border);
}
.cert-content h4{font-size:20px;color:var(--c-primary-dark);margin-bottom:14px}
.cert-content>p{font-size:14px;color:var(--c-text);line-height:1.8;margin-bottom:18px}
.cert-content ol{padding-left:24px;counter-reset:cstep}
.cert-content ol li{
  counter-increment:cstep;position:relative;padding:8px 0 8px 30px;
  font-size:14px;color:var(--c-text-2);
}
.cert-content ol li::before{
  content:counter(cstep);position:absolute;left:0;top:9px;width:22px;height:22px;
  background:var(--c-primary);color:#fff;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.cert-tip{
  margin-top:20px;padding:14px 18px;background:#e8f4ff;border-left:4px solid var(--c-primary);
  border-radius:6px;font-size:13px;color:var(--c-primary-dark);line-height:1.7;
}

.flow{padding:70px 0;background:linear-gradient(180deg,#fff 0%,#f4f8ff 100%)}
.timeline{position:relative;margin-top:40px;padding:0 10px}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--c-primary) 0%,var(--c-accent) 100%);
  transform:translateX(-50%);border-radius:3px;
}
.timeline{display:grid;grid-template-columns:1fr 1fr;gap:30px 50px;align-items:start}
.timeline-item{position:relative}
.timeline-item:nth-child(odd){grid-column:1;text-align:right;padding-right:50px}
.timeline-item:nth-child(even){grid-column:2;text-align:left;padding-left:50px}
.timeline-item:nth-child(odd) .t-card{margin-left:auto}
.timeline-item .t-dot{
  position:absolute;top:18px;width:50px;height:50px;border-radius:50%;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-light) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;letter-spacing:-.5px;
  box-shadow:0 0 0 6px #fff,0 0 0 8px rgba(19,86,192,.2);z-index:1;
}
.timeline-item:nth-child(odd) .t-dot{right:-25px}
.timeline-item:nth-child(even) .t-dot{left:-25px}
.t-card{
  background:#fff;padding:20px 24px;border-radius:var(--radius);
  border:1px solid var(--c-border);box-shadow:var(--shadow-sm);
  max-width:440px;transition:all .3s;
}
.t-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--c-primary-light)}
.t-card h4{font-size:17px;color:var(--c-primary-dark);margin-bottom:6px;font-weight:700}
.t-card p{font-size:14px;color:var(--c-text-2);line-height:1.6}
.t-time{
  display:inline-block;margin-top:10px;padding:3px 10px;background:var(--c-bg-soft);
  color:var(--c-primary);border-radius:20px;font-size:12px;font-weight:600;
}

.material{padding:70px 0;background:#fff}
.material-banner{
  display:grid;grid-template-columns:1.4fr 1fr;gap:50px;align-items:center;
  background:linear-gradient(135deg,#0a2a5e 0%,#1356c0 60%,#3a8dff 100%);
  border-radius:18px;padding:50px;color:#fff;position:relative;overflow:hidden;
  box-shadow:0 24px 50px rgba(10,42,94,.25);
}
.material-banner::before{
  content:"";position:absolute;top:-50%;right:-20%;width:600px;height:600px;
  background:radial-gradient(circle,rgba(94,200,255,.25) 0%,transparent 60%);
  border-radius:50%;
}
.material-text{position:relative;z-index:1}
.material-text h2{font-size:14px;letter-spacing:4px;opacity:.85;font-weight:500;margin-bottom:10px}
.material-text h3{font-size:30px;font-weight:700;line-height:1.4;margin-bottom:16px}
.material-text h3 .hl{color:#fff;text-shadow:0 2px 10px rgba(10,42,94,.35)}
.material-text p{font-size:15px;line-height:1.8;opacity:.92;margin-bottom:20px}
.material-steps{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.material-steps li{display:flex;align-items:center;gap:14px;font-size:16px;line-height:1.5}
.material-steps .ms-num{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  background:#fff;color:#0a2a5e;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(0,0,0,.18);
}
.material-steps .ms-txt{color:#fff;opacity:.95}
.material-qr{position:relative;z-index:1;display:flex;justify-content:center}
.qr-box{
  background:#fff;border-radius:14px;padding:20px;text-align:center;
  box-shadow:0 14px 40px rgba(0,0,0,.25);
}
.qr-box img{width:220px;height:220px;border-radius:6px}
.qr-box p{margin-top:12px;color:var(--c-primary-dark);font-size:14px;font-weight:600}

.faq{padding:70px 0;background:linear-gradient(180deg,#fff 0%,#f4f8ff 100%)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.faq-item{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);
  padding:18px 22px;transition:all .3s;cursor:pointer;
}
.faq-item[open]{box-shadow:var(--shadow-md);border-color:var(--c-primary-light)}
.faq-item summary{
  font-size:16px;font-weight:700;color:var(--c-primary-dark);
  position:relative;padding-right:32px;list-style:none;cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:24px;height:24px;background:var(--c-bg-soft);color:var(--c-primary);
  border-radius:6px;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;transition:transform .3s;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);background:var(--c-primary);color:#fff}
.faq-item p{margin-top:12px;font-size:14px;color:var(--c-text-2);line-height:1.8}

.contact{padding:70px 0;background:#fff}
.contact-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:32px;
}
.contact-card{
  background:#fff;padding:32px 24px;border-radius:var(--radius);text-align:center;
  border:1px solid var(--c-border);transition:all .3s;
}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-primary-light)}
.contact-icon{margin-bottom:12px;display:flex;align-items:center;justify-content:center}
.contact-icon img{width:42px;height:42px;display:block}
.contact-card h4{font-size:15px;color:var(--c-text-2);margin-bottom:8px;font-weight:500}
.contact-big{font-size:22px;color:var(--c-primary);font-weight:800;margin-bottom:8px;letter-spacing:-.3px}
.contact-meta{font-size:13px;color:var(--c-text-3)}
.qr-card .qr-mini{margin:0 auto 12px;width:140px;height:140px;border-radius:8px;overflow:hidden;border:1px solid var(--c-border)}
.qr-card .qr-mini img{width:100%;height:100%;object-fit:cover}

.site-footer{
  background:linear-gradient(180deg,#0a2a5e 0%,#061a3d 100%);
  color:rgba(255,255,255,.85);padding:50px 0 0;margin-top:30px;
}
.footer-grid{display:grid;grid-template-columns:1.2fr 1.2fr 1.2fr 1.4fr;gap:40px;padding-bottom:40px}
.footer-col h5{
  font-size:15px;color:#fff;font-weight:700;margin-bottom:18px;
  position:relative;padding-bottom:10px;
}
.footer-col h5::after{
  content:"";position:absolute;left:0;bottom:0;width:30px;height:2px;
  background:linear-gradient(90deg,var(--c-accent),transparent);border-radius:2px;
}
.footer-col ul li{margin-bottom:10px;font-size:13px}
.footer-col ul li a{display:flex;align-items:center;color:rgba(255,255,255,.7);transition:all .25s}
.footer-col ul li a:hover{color:#7ec8ff;transform:translateX(3px)}
.footer-col ul li a .arrow{margin-right:6px;opacity:.6;font-size:14px}
.contact-list li{color:rgba(255,255,255,.85);font-size:13px;display:flex;align-items:center}
.contact-list li img{width:18px;height:18px;margin-right:8px;flex-shrink:0}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;
  justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.6);
}

.back-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));
  color:#fff;font-size:22px;font-weight:700;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(20px);
  transition:all .3s;z-index:999;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{transform:translateY(-3px) scale(1.05);box-shadow:var(--shadow-lg)}

@media (max-width:1100px){
  .quick-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .org-stats{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .news-list,.faq-grid,.level-grid,.exam-grid,.material-grid,.step-list{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:24px}
  .timeline::before{display:none}
  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even){
    grid-column:1;text-align:left;padding:0 0 0 50px;
  }
  .timeline-item .t-dot,
  .timeline-item:nth-child(odd) .t-dot,
  .timeline-item:nth-child(even) .t-dot{left:0;right:auto}
  .timeline-item:nth-child(odd) .t-card{margin-left:0}
  .material-banner{grid-template-columns:1fr;gap:30px;padding:36px 30px}
}

@media (max-width:768px){
  body{font-size:14px}
  .container{padding:0 16px}
  .topbar-inner{font-size:11.5px;height:auto;padding:6px 0}
  .topbar-right{display:none}
  .header-inner{height:64px;gap:12px}
  .brand-logo{width:42px;height:42px}
  .brand-name{font-size:16px}
  .brand-sub{font-size:11px}
  .menu-toggle{display:flex}

  .main-nav{
    position:fixed;top:0;right:-100%;width:80%;max-width:320px;height:100vh;
    background:#fff;box-shadow:-8px 0 30px rgba(0,0,0,.12);
    transition:right .3s ease;padding:80px 24px 24px;overflow-y:auto;
  }
  .main-nav.is-open{right:0}
  .nav-list{flex-direction:column;gap:4px}
  .nav-link{display:block;padding:14px 16px;font-size:16px;border-radius:8px}
  .nav-link.active::after{display:none}

  .carousel-arrow{width:36px;height:36px}
  .carousel-arrow.prev{left:10px}
  .carousel-arrow.next{right:10px}
  .carousel-dots{bottom:14px}

  .section-title{font-size:22px}
  .section-head{margin-bottom:24px}
  .quick-nav,.orgs,.guide,.flow,.material,.faq,.contact{padding:48px 0}

  .quick-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .quick-card{padding:20px 12px}
  .quick-card h3{font-size:14px}
  .quick-card p{font-size:12px}

  .org-stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat-card{padding:20px 12px}
  .stat-num{font-size:30px}

  .org-table{font-size:12px}
  .org-table th,.org-table td{padding:10px 8px}
  .org-filter{flex-direction:column;gap:10px}
  .org-search,.org-city{width:100%}

  .guide-tabs{overflow-x:auto;flex-wrap:nowrap;justify-content:flex-start;-webkit-overflow-scrolling:touch}
  .guide-tabs::-webkit-scrollbar{display:none}
  .tab-btn{flex-shrink:0;padding:10px 16px;font-size:13px}

  .news-item{flex-direction:column;padding:18px;gap:12px}
  .news-date{width:64px;padding:8px}
  .news-date .day{font-size:24px}
  .news-body h3{font-size:15px}

  .level-card{padding:24px 20px}
  .step-list{padding:18px;gap:12px}
  .step-list li{padding:14px 14px 14px 56px;font-size:13px}
  .step-list li::before{width:32px;height:32px;font-size:13px;left:12px;top:14px}
  .exam-card,.material-item{padding:22px 18px}
  .cert-content{padding:22px 18px}

  .contact-grid{grid-template-columns:1fr 1fr;gap:14px}
  .contact-card{padding:24px 16px}
  .contact-big{font-size:18px}

  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:30px}
  .footer-bottom{flex-direction:column;text-align:center;font-size:11.5px}

  .back-top{right:14px;bottom:14px;width:42px;height:42px;font-size:20px}
}

@media (max-width:480px){
  .quick-grid{grid-template-columns:1fr 1fr}
  .org-stats{grid-template-columns:1fr 1fr}
  .material-text h3{font-size:22px}
  .contact-grid{grid-template-columns:1fr}
  .news-date{width:54px}
  .news-date .day{font-size:22px}
}