:root{
  --zjy-main:#38bdf8;
  --zjy-accent:#a78bfa;
  --zjy-bg:#0f172a;
  --zjy-text:#e2e8f0;
  --zjy-card:#16213c;
  --zjy-card-2:#1b284a;
  --zjy-line:rgba(226,232,240,.12);
  --zjy-muted:rgba(226,232,240,.62);
  --zjy-radius-card:16px;
  --zjy-radius-pill:999px;
  --zjy-shadow:0 6px 20px rgba(0,0,0,.28);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--zjy-bg);
  color:var(--zjy-text);
  font-family:"Inter","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:14px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{
  font-weight:900;
  letter-spacing:-.4px;
  margin:0;
}
.mono{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;letter-spacing:0;}
a{text-decoration:none;color:inherit;}
img{display:block;max-width:100%;}

/* ===== 导航 ===== */
.zjy-nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(15,23,42,0);
  backdrop-filter:blur(0px);
  border-bottom:1px solid transparent;
  transition:background .32s ease,backdrop-filter .32s ease,border-color .32s ease,padding .32s ease;
  padding:14px 0;
}
.zjy-nav.is-stuck{
  background:rgba(15,23,42,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--zjy-line);
  padding:8px 0;
}
.zjy-nav-inner{
  max-width:1240px;margin:0 auto;padding:0 18px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.zjy-brand{
  font-size:19px;font-weight:900;letter-spacing:-.3px;
  display:flex;align-items:center;gap:8px;
  color:var(--zjy-text);
}
.zjy-brand i{color:var(--zjy-main);}
.zjy-brand:hover{color:var(--zjy-main);}
.zjy-links{display:flex;align-items:center;gap:4px;}
.zjy-links a{
  padding:7px 14px;border-radius:var(--zjy-radius-pill);
  font-size:13px;font-weight:600;color:var(--zjy-muted);
  transition:color .2s,background .2s;
}
.zjy-links a:hover,.zjy-links a.active{
  color:var(--zjy-bg);background:var(--zjy-main);
}
.zjy-burger{
  display:none;background:transparent;border:1px solid var(--zjy-line);
  color:var(--zjy-text);border-radius:var(--zjy-radius-pill);
  width:40px;height:36px;font-size:16px;cursor:pointer;
}
.zjy-mobile{
  display:none;flex-direction:column;gap:2px;
  max-width:1240px;margin:0 auto;padding:8px 18px 0;
}
.zjy-mobile.open{display:flex;}
.zjy-mobile a{
  padding:10px 14px;border-radius:12px;font-size:14px;font-weight:600;
  color:var(--zjy-muted);border:1px solid var(--zjy-line);
}
.zjy-mobile a:hover{color:var(--zjy-bg);background:var(--zjy-main);border-color:var(--zjy-main);}

/* ===== Hero ===== */
.zjy-hero{
  padding:126px 0 54px;
  background:
    radial-gradient(900px 380px at 12% -10%,rgba(56,189,248,.20),transparent 65%),
    radial-gradient(760px 340px at 92% 8%,rgba(167,139,250,.18),transparent 68%);
  border-bottom:1px solid var(--zjy-line);
}
.zjy-wrap{max-width:1240px;margin:0 auto;padding:0 18px;}
.zjy-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--zjy-radius-pill);
  border:1px solid var(--zjy-line);background:rgba(56,189,248,.08);
  font-size:12px;font-weight:700;color:var(--zjy-main);letter-spacing:.4px;
  margin-bottom:18px;
}
.zjy-hero h1{
  font-size:clamp(30px,5.4vw,54px);
  line-height:1.12;
  max-width:900px;
}
.zjy-hero h1 em{
  font-style:normal;
  background:linear-gradient(96deg,var(--zjy-main),var(--zjy-accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.zjy-hero p.lead-text{
  margin:16px 0 0;max-width:700px;color:var(--zjy-muted);font-size:15px;
}
.zjy-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:34px;
}
.zjy-stat{
  background:var(--zjy-card);border:1px solid var(--zjy-line);
  border-radius:var(--zjy-radius-card);padding:16px 14px;
  box-shadow:var(--zjy-shadow);
}
.zjy-stat .num{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:clamp(22px,3.2vw,30px);font-weight:800;color:var(--zjy-main);
  line-height:1.1;
}
.zjy-stat .num span{color:var(--zjy-accent);}
.zjy-stat .lbl{
  font-size:12px;color:var(--zjy-muted);margin-top:6px;font-weight:600;
}
.zjy-cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.zjy-btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 24px;border-radius:var(--zjy-radius-pill);
  font-size:13.5px;font-weight:700;border:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease;
}
.zjy-btn-primary{
  color:#08111f;
  background:linear-gradient(100deg,var(--zjy-main),var(--zjy-accent));
  background-size:200% 100%;
  box-shadow:0 8px 22px rgba(56,189,248,.28);
}
.zjy-btn-primary:hover{
  transform:translateY(-2px);
  background-position:100% 0;
  box-shadow:0 12px 28px rgba(167,139,250,.34);
}
.zjy-btn-ghost{
  color:var(--zjy-text);background:transparent;
  border:1px solid var(--zjy-line);
}
.zjy-btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--zjy-main);color:var(--zjy-main);
}
.zjy-btn::after{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.42),transparent);
  transform:skewX(-18deg);transition:left .6s ease;
}
.zjy-btn:hover::after{left:130%;}

/* ===== 通用区块 ===== */
.zjy-section{padding:58px 0;}
.zjy-section.alt{background:rgba(22,33,60,.44);border-top:1px solid var(--zjy-line);border-bottom:1px solid var(--zjy-line);}
.zjy-sec-head{margin-bottom:26px;}
.zjy-sec-head .kicker{
  font-size:12px;font-weight:800;letter-spacing:1.4px;color:var(--zjy-accent);
  text-transform:uppercase;margin-bottom:6px;
}
.zjy-sec-head h2{font-size:clamp(22px,3.4vw,30px);line-height:1.2;}
.zjy-sec-head p{margin:8px 0 0;color:var(--zjy-muted);max-width:760px;font-size:13.5px;}

/* ===== 海报网格 ===== */
.poster-grid{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));
  gap:14px;width:100%;
}
.poster-grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.poster-card{
  background:var(--zjy-card);border:1px solid var(--zjy-line);
  border-radius:var(--zjy-radius-card);overflow:hidden;
  box-shadow:var(--zjy-shadow);
  transition:transform .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;
}
.poster-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.5);}
.poster-card img{
  width:100%;aspect-ratio:2/3;object-fit:cover;background:var(--zjy-card-2);
}
.poster-card .pc-body{padding:9px 10px 11px;}
.poster-card .pc-title{
  font-size:12.5px;font-weight:700;line-height:1.35;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.poster-card .pc-meta{
  margin-top:5px;font-size:11px;color:var(--zjy-muted);
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
}
.pc-tag{
  display:inline-block;margin-top:6px;padding:1.5px 8px;border-radius:var(--zjy-radius-pill);
  font-size:10.5px;font-weight:700;color:var(--zjy-main);
  border:1px solid rgba(56,189,248,.34);background:rgba(56,189,248,.08);
}

/* ===== 对比表格 ===== */
.zjy-table-wrap{
  border:1px solid var(--zjy-line);border-radius:var(--zjy-radius-card);
  overflow:hidden;box-shadow:var(--zjy-shadow);background:var(--zjy-card);
}
table.zjy-table{width:100%;border-collapse:collapse;font-size:13px;}
table.zjy-table thead th{
  background:rgba(56,189,248,.1);
  color:var(--zjy-main);font-weight:800;font-size:12px;
  text-align:left;padding:12px 14px;letter-spacing:.4px;white-space:nowrap;
}
table.zjy-table td{
  padding:12px 14px;border-top:1px solid var(--zjy-line);
  vertical-align:top;color:var(--zjy-muted);
}
table.zjy-table td:first-child{
  color:var(--zjy-text);font-weight:700;white-space:nowrap;
}
table.zjy-table tbody tr:hover td{background:rgba(167,139,250,.06);}
.zjy-score{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  color:var(--zjy-accent);font-weight:800;
}

/* ===== 长文 / 编号清单 ===== */
.zjy-prose{
  background:var(--zjy-card);border:1px solid var(--zjy-line);
  border-radius:var(--zjy-radius-card);padding:26px 24px;box-shadow:var(--zjy-shadow);
}
.zjy-prose h3{font-size:17px;margin:22px 0 10px;}
.zjy-prose h3:first-child{margin-top:0;}
.zjy-prose p{color:var(--zjy-muted);margin:0 0 12px;font-size:13.5px;}
.zjy-steps{list-style:none;counter-reset:s;padding:0;margin:0;}
.zjy-steps li{
  counter-increment:s;position:relative;
  padding:12px 14px 12px 50px;margin-bottom:9px;
  border:1px solid var(--zjy-line);border-radius:12px;
  background:var(--zjy-card-2);
}
.zjy-steps li::before{
  content:counter(s,decimal-leading-zero);
  position:absolute;left:14px;top:12px;
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:12px;font-weight:800;color:var(--zjy-main);
  border:1px solid rgba(56,189,248,.34);border-radius:var(--zjy-radius-pill);
  padding:1px 8px;
}
.zjy-steps li strong{display:block;font-size:13.5px;color:var(--zjy-text);margin-bottom:3px;}
.zjy-steps li span{color:var(--zjy-muted);font-size:12.8px;}

/* ===== FAQ ===== */
.faq-item{
  border:1px solid var(--zjy-line);border-radius:12px;
  background:var(--zjy-card);margin-bottom:10px;overflow:hidden;
}
.faq-q{
  width:100%;text-align:left;background:transparent;border:none;
  color:var(--zjy-text);font-size:13.8px;font-weight:700;
  padding:15px 46px 15px 16px;position:relative;cursor:pointer;
}
.faq-q i{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  color:var(--zjy-main);transition:transform .26s ease;font-size:12px;
}
.faq-item.open .faq-q i{transform:translateY(-50%) rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  padding:0 16px;color:var(--zjy-muted);font-size:13px;
}
.faq-item.open .faq-a{max-height:340px;padding:0 16px 15px;}

/* ===== CTA ===== */
.zjy-cta{
  border:1px solid rgba(56,189,248,.28);border-radius:var(--zjy-radius-card);
  background:linear-gradient(120deg,rgba(56,189,248,.14),rgba(167,139,250,.14));
  padding:34px 26px;text-align:center;
}
.zjy-cta h2{font-size:clamp(20px,3vw,26px);}
.zjy-cta p{color:var(--zjy-muted);margin:10px auto 20px;max-width:620px;font-size:13.5px;}

/* ===== 友链 & 页脚 ===== */
.zjy-friendbox{
  border:1px dashed rgba(167,139,250,.4);border-radius:var(--zjy-radius-card);
  padding:18px;background:rgba(167,139,250,.05);
}
.zjy-friendbox h4{font-size:13.5px;margin-bottom:8px;color:var(--zjy-accent);}
.zjy-friendbox .links{font-size:12.5px;color:var(--zjy-muted);line-height:1.9;word-break:break-all;}
.zjy-footer{
  border-top:1px solid var(--zjy-line);margin-top:44px;padding:32px 0 26px;
  background:rgba(22,33,60,.4);
}
.zjy-footer .fgrid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;
}
.zjy-footer h5{font-size:13px;color:var(--zjy-text);margin-bottom:10px;}
.zjy-footer p,.zjy-footer li{font-size:12.5px;color:var(--zjy-muted);}
.zjy-footer ul{list-style:none;padding:0;margin:0;}
.zjy-footer li{margin-bottom:6px;}
.zjy-footer a:hover{color:var(--zjy-main);}
.zjy-copy{
  margin-top:24px;padding-top:16px;border-top:1px solid var(--zjy-line);
  font-size:12px;color:var(--zjy-muted);display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:8px;
}

@media (max-width:991px){
  .poster-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .poster-grid.cols-4{grid-template-columns:repeat(3,minmax(0,1fr));}
  .zjy-stats{grid-template-columns:repeat(2,1fr);}
  .zjy-footer .fgrid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .zjy-links{display:none;}
  .zjy-burger{display:block;}
  .zjy-hero{padding:104px 0 42px;}
  .poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
  .poster-grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .zjy-section{padding:44px 0;}
  .zjy-prose{padding:20px 16px;}
  .zjy-footer .fgrid{grid-template-columns:1fr;}
  table.zjy-table{font-size:12px;}
  table.zjy-table td,table.zjy-table thead th{padding:9px 10px;}
}
@media (max-width:420px){
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

/* --- 子页面追加 --- */
.gd-lead {color:var(--zjy-muted);font-size:1.02rem;line-height:1.85}
.gd-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.gd-box {background:var(--zjy-card);border:1px solid var(--zjy-line);border-radius:var(--zjy-radius-card);padding:20px 20px 18px;box-shadow:var(--zjy-shadow)}
.gd-box h3 {margin:0 0 8px;font-size:1.02rem;color:var(--zjy-text);display:flex;align-items:center;gap:8px}
.gd-box h3 i {color:var(--zjy-main)}
.gd-box p {margin:0;color:var(--zjy-muted);font-size:.92rem;line-height:1.8}
.gd-steps {display:grid;gap:14px;counter-reset:gdstep}
.gd-step {position:relative;background:var(--zjy-card);border:1px solid var(--zjy-line);border-radius:var(--zjy-radius-card);padding:18px 20px 18px 62px;box-shadow:var(--zjy-shadow)}
.gd-step::before {counter-increment:gdstep;content:counter(gdstep,decimal-leading-zero);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:var(--zjy-radius-pill);display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:800;font-family:"Inter",monospace;color:#04121f;background:linear-gradient(135deg,var(--zjy-main),var(--zjy-accent))}
.gd-step h3 {margin:0 0 6px;font-size:1rem;color:var(--zjy-text)}
.gd-step p {margin:0;color:var(--zjy-muted);font-size:.92rem;line-height:1.8}
.gd-step .mono {color:var(--zjy-main)}
.gd-faq {border:1px solid var(--zjy-line);border-radius:var(--zjy-radius-card);overflow:hidden;background:var(--zjy-card)}
.gd-faq details {border-bottom:1px solid var(--zjy-line)}
.gd-faq details:last-child {border-bottom:none}
.gd-faq summary {cursor:pointer;list-style:none;padding:16px 20px;font-weight:600;color:var(--zjy-text);display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:.96rem}
.gd-faq summary::-webkit-details-marker {display:none}
.gd-faq summary i {color:var(--zjy-main);transition:transform .2s ease}
.gd-faq details[open] summary i {transform:rotate(180deg)}
.gd-faq .gd-ans {padding:0 20px 18px;color:var(--zjy-muted);font-size:.92rem;line-height:1.85}
.gd-tip {display:flex;gap:14px;align-items:flex-start;background:linear-gradient(135deg,rgba(56,189,248,.10),rgba(167,139,250,.10));border:1px solid var(--zjy-line);border-radius:var(--zjy-radius-card);padding:18px 20px}
.gd-tip i {color:var(--zjy-accent);font-size:1.2rem;margin-top:2px}
.gd-tip p {margin:0;color:var(--zjy-text);font-size:.94rem;line-height:1.8}
.gd-step {padding-left:20px;padding-top:52px}
.gd-step::before {top:16px}

/* --- 子页面追加 --- */
.about-card {background:var(--zjy-card);border:1px solid var(--zjy-line);border-radius:var(--zjy-radius-card);padding:24px 22px;height:100%;box-shadow:var(--zjy-shadow);}
.about-card h3 {font-size:1.05rem;font-weight:700;color:var(--zjy-text);margin:14px 0 10px;}
.about-card p {color:var(--zjy-muted);font-size:.92rem;line-height:1.75;margin:0;}
.about-icon {width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:#0f172a;background:linear-gradient(135deg,var(--zjy-main),var(--zjy-accent));}
.about-timeline {position:relative;padding-left:26px;margin-top:8px;}
.about-timeline::before {content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--zjy-main),var(--zjy-accent));opacity:.5;}
.about-tl-item {position:relative;padding:0 0 22px 0;}
.about-tl-item:last-child {padding-bottom:0;}
.about-tl-item::before {content:"";position:absolute;left:-25px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--zjy-bg);border:2px solid var(--zjy-main);}
.about-tl-item h4 {font-size:.98rem;font-weight:700;color:var(--zjy-text);margin:0 0 6px;}
.about-tl-item p {color:var(--zjy-muted);font-size:.9rem;line-height:1.7;margin:0;}
.about-quote {border-left:3px solid var(--zjy-accent);background:var(--zjy-card-2);border-radius:0 var(--zjy-radius-card) var(--zjy-radius-card) 0;padding:16px 20px;color:var(--zjy-text);font-size:.95rem;line-height:1.8;margin:0;}
.about-faq {border:1px solid var(--zjy-line);border-radius:var(--zjy-radius-card);background:var(--zjy-card);overflow:hidden;}
.about-faq details {border-bottom:1px solid var(--zjy-line);}
.about-faq details:last-child {border-bottom:none;}
.about-faq summary {cursor:pointer;list-style:none;padding:16px 20px;font-weight:600;color:var(--zjy-text);font-size:.95rem;display:flex;justify-content:space-between;align-items:center;gap:12px;}
.about-faq summary::-webkit-details-marker {display:none;}
.about-faq summary::after {content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.7rem;color:var(--zjy-main);transition:transform .2s;}
.about-faq details[open] summary::after {content:"\f068";}
.about-faq details p {padding:0 20px 18px;margin:0;color:var(--zjy-muted);font-size:.9rem;line-height:1.75;}
.about-num {font-family:"Inter",monospace;font-weight:800;font-size:1.5rem;background:linear-gradient(135deg,var(--zjy-main),var(--zjy-accent));-webkit-background-clip:text;background-clip:text;color:transparent;}

/* --- 子页面追加 --- */
/* 本页专属：站点地图卡片与目录树，复用站点配色变量 */
  .sm-hero-sub {max-width:720px;color:var(--zjy-muted);font-size:1.02rem;line-height:1.9;margin-top:14px}
.sm-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:28px}
.sm-card {
    background:var(--zjy-card);
    border:1px solid var(--zjy-line);
    border-radius:var(--zjy-radius-card);
    padding:24px 22px;
    box-shadow:var(--zjy-shadow);
    transition:transform .25s ease,border-color .25s ease;
  }
.sm-card:hover {transform:translateY(-4px);border-color:rgba(56,189,248,.45)}
.sm-card h3 {
    font-size:1.08rem;font-weight:700;margin:0 0 6px;display:flex;align-items:center;gap:10px;
    color:var(--zjy-text);
  }
.sm-card h3 i {color:var(--zjy-main);font-size:1rem}
.sm-card p.desc {color:var(--zjy-muted);font-size:.9rem;line-height:1.75;margin:0 0 16px}
.sm-list {list-style:none;margin:0;padding:0}
.sm-list li {margin-bottom:10px}
.sm-list li:last-child {margin-bottom:0}
.sm-list a {
    display:flex;align-items:center;gap:10px;
    color:var(--zjy-text);text-decoration:none;font-size:.94rem;
    padding:9px 12px;border-radius:10px;
    border:1px solid transparent;
    transition:background .2s ease,border-color .2s ease,color .2s ease;
  }
.sm-list a:hover {background:var(--zjy-card-2);border-color:var(--zjy-line);color:var(--zjy-main)}
.sm-list a .sm-arw {margin-left:auto;color:var(--zjy-muted);font-size:.78rem;transition:transform .2s ease}
.sm-list a:hover .sm-arw {transform:translateX(3px);color:var(--zjy-main)}
.sm-anchor {
    background:var(--zjy-card-2);border:1px solid var(--zjy-line);
    border-radius:var(--zjy-radius-pill);padding:8px 16px;font-size:.86rem;
    color:var(--zjy-text);text-decoration:none;display:inline-flex;align-items:center;gap:8px;
    transition:background .2s ease,border-color .2s ease;
  }
.sm-anchor:hover {background:rgba(56,189,248,.14);border-color:rgba(56,189,248,.5);color:var(--zjy-main)}
.sm-anchor i {color:var(--zjy-accent);font-size:.8rem}
.sm-note {
    margin-top:26px;padding:18px 22px;border-radius:var(--zjy-radius-card);
    background:rgba(167,139,250,.08);border:1px dashed rgba(167,139,250,.38);
    color:var(--zjy-muted);font-size:.9rem;line-height:1.85;
  }
.sm-note strong {color:var(--zjy-accent)}