:root{
  --bg:#ffffff;
  --bg-soft:#f7f9fc;
  --bg-tint:#f2f5f9;
  --card:#ffffff;
  --line:#e5e7eb;
  --line-strong:#dbe2ea;
  --text:#111827;
  --text-soft:#64748b;
  --blue:#173b73;
  --blue-soft:#eef4ff;
  --gold:#d8b14a;
  --gold-soft:#fff7e2;
  --shadow:0 14px 36px rgba(15,23,42,.06);
  --wrap:1160px;
  --radius:24px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
}

img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{font:inherit}

.qqpk-page{overflow:hidden}
.wrap{
  width:min(var(--wrap),calc(100% - 40px));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}

.header-inner{
  min-height:78px;
  display:grid;
  grid-template-columns:auto auto 1fr auto;
  gap:18px;
  align-items:center;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}

.brand img{
  width:42px;
  height:42px;
  object-fit:contain;
  border-radius:12px;
  background:var(--bg-soft);
  border:1px solid var(--line);
}

.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}

.brand-text strong{
  font-size:18px;
  color:var(--text);
}

.brand-text small{
  font-size:12px;
  color:var(--text-soft);
  letter-spacing:.06em;
}

.main-nav{
  justify-self:end;
  display:flex;
  gap:24px;
  flex-wrap:wrap;
}

.main-nav a{
  position:relative;
  color:#334155;
  font-size:14px;
  font-weight:800;
  padding:26px 0 22px;
}

.main-nav a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:14px;
  height:2px;
  border-radius:99px;
  background:linear-gradient(90deg,var(--blue),var(--gold));
  transform:scaleX(0);
  transition:.2s ease;
}

.main-nav a:hover::after,
.main-nav a.is-active::after{
  transform:scaleX(1);
}

.header-cta,
.btn{
  min-height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 22px;
  border-radius:999px;
  font-weight:900;
  transition:.18s ease;
}

.header-cta,
.btn-primary{
  background:var(--blue);
  color:#fff;
  box-shadow:0 10px 22px rgba(23,59,115,.14);
}

.btn-line{
  border:1px solid var(--line-strong);
  background:#fff;
  color:var(--blue);
}

.header-cta:hover,
.btn:hover{
  transform:translateY(-1px);
}

.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  padding:0;
  border:0;
  background:transparent;
  cursor:pointer;
}

.menu-toggle span{
  display:block;
  width:22px;
  height:2px;
  margin:5px auto;
  border-radius:4px;
  background:var(--text);
}

.hero{
  padding:64px 0 48px;
}

.hero-shell{
  text-align:center;
}

.eyebrow{
  margin:0;
  color:var(--blue);
  font-size:13px;
  font-weight:900;
  letter-spacing:.14em;
  text-transform:uppercase;
}

.hero h1{
  margin:16px auto 18px;
  max-width:920px;
  font-size:clamp(36px,5vw,64px);
  line-height:1.08;
  letter-spacing:-.04em;
}

.hero-desc{
  max-width:860px;
  margin:0 auto;
  color:var(--text-soft);
  font-size:18px;
}

.hero-shortcuts{
  margin-top:34px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}

.shortcut-card,
.directory-card,
.aside-card,
.checklist article,
.permission-list article,
.diagnose-card,
.faq-item,
.cta-box{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--card);
  box-shadow:var(--shadow);
}

.shortcut-card{
  padding:22px 18px;
  text-align:left;
}

.shortcut-icon{
  width:52px;
  height:52px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:16px;
  background:var(--blue-soft);
  color:var(--blue);
  font-size:13px;
  font-weight:900;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.shortcut-card strong{
  display:block;
  margin:18px 0 6px;
  font-size:20px;
  color:var(--text);
}

.shortcut-card small{
  color:var(--text-soft);
  font-size:14px;
}

.section{
  padding:86px 0;
}

.section-tint{
  background:var(--bg-tint);
}

.section-head{
  max-width:840px;
  margin-bottom:34px;
}

.section-head-center{
  margin-left:auto;
  margin-right:auto;
  text-align:center;
}

.section-head h2,
.guide-copy h2,
.cta-copy h2{
  margin:12px 0;
  font-size:clamp(32px,4vw,52px);
  line-height:1.08;
  letter-spacing:-.035em;
}

.section-head p,
.guide-copy p,
.cta-copy p{
  margin:0;
  color:var(--text-soft);
  font-size:17px;
}

.directory-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.directory-card{
  padding:26px 24px;
}

.directory-card h3{
  margin:0 0 14px;
  font-size:26px;
}

.directory-card ul,
.aside-card ul{
  margin:0;
  padding-left:20px;
  color:var(--text-soft);
}

.directory-card li+li,
.aside-card li+li{
  margin-top:8px;
}

.guide-layout{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:24px;
  align-items:start;
}

.checklist{
  margin-top:22px;
  display:grid;
  gap:12px;
}

.checklist article{
  padding:18px 20px;
}

.checklist strong{
  display:block;
  margin-bottom:6px;
  font-size:18px;
}

.checklist span{
  color:var(--text-soft);
}

.guide-aside{
  display:grid;
  gap:16px;
}

.aside-card{
  padding:22px;
}

.aside-card h3{
  margin:0 0 12px;
  font-size:24px;
}

.guide-figure,
.permission-figure,
.entry-support-figure,
.faq-figure{
  margin:0;
  min-height:240px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  overflow:hidden;
}

.guide-figure img,
.permission-figure img,
.entry-support-figure img,
.faq-figure img{
  max-height:220px;
  object-fit:contain;
}

.permission-panel{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:18px;
  align-items:start;
}

.permission-list{
  display:grid;
  gap:12px;
}

.permission-list article{
  padding:18px 20px;
}

.permission-list b{
  display:block;
  margin-bottom:6px;
  font-size:18px;
  color:var(--text);
}

.permission-list span{
  color:var(--text-soft);
}

.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  box-shadow:var(--shadow);
}

.info-table{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
}

.info-table th,
.info-table td{
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}

.info-table th{
  background:var(--bg-soft);
  color:var(--text);
  font-size:14px;
}

.info-table td{
  color:var(--text-soft);
}

.info-table a{
  color:var(--blue);
  font-weight:800;
}

.entry-support{
  margin-top:18px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}

.diagnose-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}

.diagnose-card{
  padding:22px;
}

.diagnose-card b{
  display:block;
  margin-bottom:8px;
  font-size:18px;
}

.diagnose-card p{
  margin:0;
  color:var(--text-soft);
}

.faq-layout{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:22px;
  align-items:start;
}

.faq-list{
  display:grid;
  gap:12px;
}

.faq-item{
  overflow:hidden;
}

.faq-item summary{
  cursor:pointer;
  list-style:none;
  padding:20px 22px;
  position:relative;
  font-weight:900;
}

.faq-item summary::-webkit-details-marker{display:none}

.faq-item summary::after{
  content:"+";
  position:absolute;
  right:22px;
  top:15px;
  font-size:28px;
  color:var(--blue);
}

.faq-item[open] summary::after{
  content:"–";
}

.faq-content{
  padding:0 22px 20px;
}

.faq-content p{
  margin:0;
  color:var(--text-soft);
}

.cta-section{
  padding:42px 0 86px;
}

.cta-box{
  padding:30px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:24px;
  align-items:center;
}

.cta-actions{
  display:flex;
  justify-content:flex-end;
  gap:14px;
  flex-wrap:wrap;
}

.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-soft);
}

.footer-inner{
  min-height:108px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:20px;
  align-items:center;
}

.footer-brand{
  display:flex;
  align-items:flex-start;
  gap:14px;
}

.footer-brand img{
  width:44px;
  height:44px;
  object-fit:contain;
}

.footer-brand strong{
  display:block;
  margin-bottom:6px;
}

.footer-brand p{
  margin:0;
  color:var(--text-soft);
}

.footer-links{
  display:flex;
  justify-content:flex-end;
  flex-wrap:wrap;
  gap:18px;
}

.footer-links a{
  color:#334155;
  font-weight:800;
}

@media (max-width: 1080px){
  .header-inner{grid-template-columns:auto auto 1fr}
  .menu-toggle{display:block;justify-self:end}
  .header-cta{display:none}
  .main-nav{
    position:absolute;
    top:78px;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    gap:0;
    padding:10px 20px 20px;
    background:#fff;
    border-bottom:1px solid var(--line);
  }
  .main-nav.is-open{display:flex}
  .main-nav a{
    min-height:48px;
    display:flex;
    align-items:center;
    padding:0;
    border-bottom:1px solid var(--line);
  }
  .main-nav a::after{display:none}

  .hero-shortcuts,
  .directory-grid,
  .diagnose-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .guide-layout,
  .permission-panel,
  .faq-layout,
  .cta-box,
  .footer-inner{
    grid-template-columns:1fr;
  }
}

@media (max-width: 768px){
  .wrap{width:min(calc(100% - 28px),var(--wrap))}
  .hero{padding:44px 0 36px}
  .section{padding:72px 0}
  .hero h1{font-size:42px}
  .hero-desc,
  .section-head p,
  .guide-copy p,
  .cta-copy p{
    font-size:16px;
  }

  .hero-shortcuts,
  .directory-grid,
  .entry-support,
  .diagnose-grid{
    grid-template-columns:1fr;
  }

  .cta-actions,
  .footer-links{
    justify-content:flex-start;
  }
}

@media (max-width: 560px){
  .brand-text small{display:none}
  .btn,
  .header-cta{
    width:100%;
  }
  .cta-actions{
    flex-direction:column;
  }
}