:root{
  --brand:#818cf8;
  --accent:#c084fc;
  --bg:#1e1b4b;
  --text:#e0e7ff;
  --bg-soft:#252159;
  --bg-card:#2a2566;
  --line:rgba(129,140,248,.22);
  --muted:#a5b0e8;
  --radius-card:16px;
  --radius-pill:999px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.28);
  --shadow-lg:0 18px 42px rgba(0,0,0,.5);
  --mono:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  font-size:14px;
  line-height:1.7;
  overflow-x:hidden;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;
}
h1,h2,h3,h4,h5{font-weight:900;letter-spacing:-.02em;line-height:1.25}
a{text-decoration:none;color:var(--brand)}
a:hover{color:var(--accent)}
.mono{font-family:var(--mono)}

/* 阅读进度条 */
#readbar{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  z-index:2000;transition:width .1s linear;
}

/* 导航 */
.nav-shell{
  position:sticky;top:0;z-index:1500;
  background:rgba(30,27,75,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1180px;margin:0 auto;
  padding:10px 16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.brand-link{
  display:flex;align-items:center;gap:8px;
  font-weight:900;font-size:19px;color:var(--text);
}
.brand-link i{color:var(--accent);font-size:18px}
.brand-link:hover{color:var(--text)}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-links a{
  color:var(--muted);font-size:13.5px;font-weight:600;
  padding:7px 14px;border-radius:var(--radius-pill);
  transition:.22s;
}
.nav-links a:hover,.nav-links a.active{
  color:#fff;background:rgba(129,140,248,.18);
}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line);
  color:var(--text);border-radius:12px;padding:6px 12px;font-size:16px;
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav-links{
    display:none;position:absolute;left:12px;right:12px;top:58px;
    flex-direction:column;align-items:stretch;
    background:var(--bg-soft);border:1px solid var(--line);
    border-radius:18px;padding:10px;box-shadow:var(--shadow-lg);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 14px}
}

/* 时间线贯穿 */
.timeline-wrap{position:relative}
.timeline-spine{
  position:absolute;left:50%;top:0;bottom:0;width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,transparent,var(--line) 6%,var(--line) 94%,transparent);
  pointer-events:none;
}
@media (max-width:768px){.timeline-spine{left:14px}}

section{position:relative;padding:56px 0;}
.container-x{max-width:1180px;margin:0 auto;padding:0 16px;position:relative;z-index:2}

/* Hero */
.hero{padding:60px 0 44px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-180px;
  background:radial-gradient(circle,rgba(192,132,252,.32),transparent 68%);
  filter:blur(6px);pointer-events:none;
}
.hero::before{
  content:"";position:absolute;width:380px;height:380px;left:-140px;bottom:-160px;
  background:radial-gradient(circle,rgba(129,140,248,.28),transparent 70%);
  pointer-events:none;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--accent);
  border:1px solid rgba(192,132,252,.4);
  background:rgba(192,132,252,.1);
  padding:5px 14px;border-radius:var(--radius-pill);
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,5.4vw,54px);
  margin:0 0 14px;
}
.grad-text{
  background:linear-gradient(96deg,var(--brand) 8%,var(--accent) 62%,#f0abfc 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero p.lead-x{
  font-size:15px;color:var(--muted);max-width:640px;margin:0 0 22px;
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;
}
.stat-chip{
  background:rgba(42,37,102,.72);
  border:1px solid var(--line);
  border-radius:14px;padding:10px 16px;min-width:112px;
  box-shadow:var(--shadow-sm);
}
.stat-chip b{
  display:block;font-family:var(--mono);font-size:20px;font-weight:700;
  color:var(--brand);line-height:1.2;
}
.stat-chip span{font-size:11.5px;color:var(--muted);letter-spacing:.04em}
.btn-pill{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:var(--radius-pill);
  padding:11px 26px;font-weight:700;font-size:14px;border:1px solid transparent;
  transition:.25s;cursor:pointer;
}
.btn-primary-x{
  background:linear-gradient(96deg,var(--brand),var(--accent));
  color:#16133a;
}
.btn-primary-x:hover{
  color:#16133a;transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(129,140,248,.42);
}
.btn-ghost-x{
  background:transparent;border:1px solid var(--line);color:var(--text);
}
.btn-ghost-x:hover{color:#fff;border-color:var(--brand);background:rgba(129,140,248,.14);transform:translateY(-2px)}

/* 浮动装饰 */
.float-deco{position:absolute;border-radius:50%;pointer-events:none;opacity:.5}
.fd1{width:12px;height:12px;background:var(--accent);top:22%;left:6%;animation:flo 6s ease-in-out infinite}
.fd2{width:8px;height:8px;background:var(--brand);top:64%;left:14%;animation:flo 8s ease-in-out infinite .8s}
.fd3{width:16px;height:16px;border:2px solid var(--accent);background:transparent;top:18%;right:12%;animation:flo 7s ease-in-out infinite .4s}
.fd4{width:6px;height:6px;background:var(--brand);bottom:14%;right:22%;animation:flo 5.6s ease-in-out infinite 1.2s}
@keyframes flo{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}

/* 区块标题 */
.sec-head{margin-bottom:28px}
.sec-kicker{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;
  color:var(--accent);text-transform:uppercase;margin-bottom:8px;display:block;
}
.sec-head h2{font-size:clamp(22px,3.4vw,32px);margin:0 0 8px}
.sec-head p{color:var(--muted);font-size:13.5px;margin:0;max-width:720px}

/* 步骤条 */
.step-rail{position:relative;margin-top:8px}
.step-item{
  display:grid;grid-template-columns:78px 1fr;gap:18px;
  padding:0 0 26px;position:relative;
}
.step-item:last-child{padding-bottom:0}
.step-dot{
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:700;font-size:17px;
  background:var(--bg-card);border:2px solid var(--brand);color:var(--brand);
  box-shadow:var(--shadow-sm);z-index:3;
}
.step-item:nth-child(even) .step-dot{border-color:var(--accent);color:var(--accent)}
.step-line{
  position:absolute;left:27px;top:56px;bottom:0;width:2px;
  background:repeating-linear-gradient(180deg,var(--line) 0 6px,transparent 6px 12px);
}
.step-item:last-child .step-line{display:none}
.step-body{
  background:var(--bg-soft);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:16px 20px;
  box-shadow:var(--shadow-sm);transition:.25s;
}
.step-body:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(129,140,248,.5)}
.step-body h3{font-size:16px;margin:0 0 6px}
.step-body p{margin:0;font-size:13px;color:var(--muted)}
@media (max-width:600px){
  .step-item{grid-template-columns:56px 1fr;gap:12px}
  .step-dot{width:44px;height:44px;font-size:14px}
  .step-line{left:21px;top:44px}
}

/* 特色网格 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.feat-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.feat-grid{grid-template-columns:1fr}}
.feat-card{
  background:var(--bg-soft);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px 18px 20px;
  box-shadow:var(--shadow-sm);transition:.26s;height:100%;
  position:relative;overflow:hidden;
}
.feat-card::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 100% 0,rgba(192,132,252,.14),transparent 60%);
  opacity:0;transition:.26s;
}
.feat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(192,132,252,.45)}
.feat-card:hover::before{opacity:1}
.feat-ico{
  width:42px;height:42px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(129,140,248,.16);color:var(--brand);
  font-size:17px;margin-bottom:12px;
}
.feat-card:nth-child(even) .feat-ico{background:rgba(192,132,252,.16);color:var(--accent)}
.feat-card h3{font-size:15.5px;margin:0 0 6px}
.feat-card p{font-size:12.8px;color:var(--muted);margin:0}
.feat-card .num{
  position:absolute;top:12px;right:16px;font-family:var(--mono);
  font-size:12px;color:rgba(224,231,255,.28);font-weight:700;
}

/* 长文 */
.longform{
  background:var(--bg-soft);border:1px solid var(--line);
  border-radius:20px;padding:26px 26px 22px;box-shadow:var(--shadow-sm);
}
.longform h3{font-size:18px;margin:22px 0 8px}
.longform h3:first-child{margin-top:0}
.longform p{font-size:13.4px;color:var(--muted);margin:0 0 12px}
.longform strong{color:var(--text)}
.timeline-mini{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0 6px;
}
@media (max-width:760px){.timeline-mini{grid-template-columns:repeat(2,1fr)}}
.tm-node{
  border:1px dashed var(--line);border-radius:14px;padding:12px 14px;
  background:rgba(30,27,75,.5);
}
.tm-node b{display:block;font-family:var(--mono);font-size:15px;color:var(--accent)}
.tm-node span{font-size:12px;color:var(--muted)}

/* 海报网格 */
.poster-grid{
  display:grid;width:100%;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:14px;
}
@media (max-width:1100px){.poster-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:768px){.poster-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:480px){.poster-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.poster-card{
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:.26s;
}
.poster-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(192,132,252,.5)}
.poster-thumb{
  width:100%;aspect-ratio:2/3;object-fit:cover;display:block;
  background:linear-gradient(150deg,#2f2a75,#4c3a9e);
}
.poster-meta{padding:9px 10px 11px}
.poster-meta h4{
  font-size:12.6px;margin:0 0 4px;font-weight:700;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.poster-meta span{font-size:10.6px;color:var(--muted);font-family:var(--mono)}

/* CTA */
.cta-box{
  background:linear-gradient(120deg,rgba(129,140,248,.2),rgba(192,132,252,.2));
  border:1px solid rgba(192,132,252,.36);
  border-radius:24px;padding:36px 26px;text-align:center;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.cta-box h2{font-size:clamp(22px,3.6vw,30px);margin:0 0 10px}
.cta-box p{color:var(--muted);font-size:13.6px;max-width:560px;margin:0 auto 20px}
.cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* FAQ */
.faq-item{
  background:var(--bg-soft);border:1px solid var(--line);
  border-radius:var(--radius-card);margin-bottom:10px;overflow:hidden;
}
.faq-q{
  width:100%;text-align:left;background:none;border:0;color:var(--text);
  padding:14px 18px;font-size:14px;font-weight:700;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  font-family:inherit;
}
.faq-q i{color:var(--accent);transition:.25s;font-size:12px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  padding:0 18px;
}
.faq-item.open .faq-a{max-height:300px;padding-bottom:16px}
.faq-a p{margin:0;font-size:13px;color:var(--muted)}

/* 友情链接 */
.friend-links{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:22px 0;
}
.friend-links h4{font-size:13px;color:var(--muted);letter-spacing:.08em;margin:0 0 10px;font-weight:700}
.friend-box{
  font-size:12.6px;color:var(--muted);line-height:2;
}
.friend-box a{color:var(--muted);margin-right:14px}
.friend-box a:hover{color:var(--accent)}

/* 页脚 */
footer.site-foot{
  padding:30px 0 26px;font-size:12.6px;color:var(--muted);
}
.foot-top{
  display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;
  align-items:flex-start;margin-bottom:18px;
}
.foot-brand{display:flex;align-items:center;gap:8px;font-weight:900;font-size:16px;color:var(--text)}
.foot-brand i{color:var(--accent)}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 16px}
.foot-links a{color:var(--muted);font-size:12.6px}
.foot-links a:hover{color:var(--accent)}
.foot-bottom{border-top:1px solid var(--line);padding-top:14px;font-size:12px;color:#7d88c9}

/* 滚动淡入 */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag-pill{
  font-size:11.6px;padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(129,140,248,.14);color:var(--brand);border:1px solid var(--line);
  font-weight:600;
}

/* --- 子页面追加 --- */
img {max-width:100%;display:block}
/* ===== 导航 ===== */
  .nav-shell {position:sticky;top:0;z-index:50;background:rgba(30,27,75,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand-link span.emoji {font-size:1.3rem}
.nav-links a:hover {color:var(--text);background:rgba(129,140,248,.14)}
/* ===== Hero ===== */
  .hero {position:relative;overflow:hidden;padding:76px 0 60px;background:
      radial-gradient(900px 420px at 12% -10%,rgba(129,140,248,.30),transparent 62%),
      radial-gradient(760px 380px at 92% 8%,rgba(192,132,252,.24),transparent 60%);}
.hero p.lead {color:var(--muted);font-size:1.03rem;max-width:720px;margin:0 0 26px}
.stat-chip small {color:var(--muted);font-size:.78rem;letter-spacing:.4px}
/* ===== 通用板块 ===== */
  section.block {padding:56px 0}
.panel {background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);
      padding:26px;box-shadow:var(--shadow-sm);height:100%}
.panel h3 {font-size:1.06rem;font-weight:700;margin:0 0 12px;display:flex;align-items:center;gap:10px}
.panel h3 i {color:var(--brand);font-size:.95rem}
.panel p {margin:0 0 10px;color:var(--muted);font-size:.93rem}
.panel p:last-child {margin-bottom:0}
.soft {background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px}
/* timeline */
  .timeline-wrap {position:relative;padding-left:34px}
.tl-item {position:relative;margin-bottom:26px}
.tl-item:last-child {margin-bottom:0}
.tl-item::before {content:"";position:absolute;left:-28px;top:7px;width:12px;height:12px;border-radius:50%;
      background:var(--bg);border:2px solid var(--accent);box-shadow:0 0 0 4px rgba(192,132,252,.14)}
.tl-item b {display:block;font-size:1rem;color:#fff;font-weight:700;margin-bottom:5px}
.tl-item span {color:var(--muted);font-size:.92rem}
/* step rail */
  .step-rail {display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.step-card {background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;position:relative;transition:.25s}
.step-card:hover {transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(192,132,252,.4)}
.step-num {font-family:var(--mono);font-size:.8rem;color:var(--accent);letter-spacing:1px;margin-bottom:10px;display:block}
.step-card h4 {font-size:1rem;font-weight:700;margin:0 0 8px;color:#fff}
.step-card p {margin:0;color:var(--muted);font-size:.9rem}
.tag {display:inline-block;padding:4px 12px;border-radius:var(--radius-pill);font-size:.78rem;
      background:rgba(129,140,248,.14);border:1px solid var(--line);color:var(--muted);margin:0 6px 8px 0}
.quote-box {border-left:3px solid var(--accent);padding:6px 0 6px 18px;color:var(--muted);font-size:.95rem;margin:18px 0 0}
footer.site-footer {border-top:1px solid var(--line);background:var(--bg-soft);padding:44px 0 28px;margin-top:20px}
.foot-grid {display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.foot-grid {grid-template-columns:1fr}
.foot-grid h5 {font-size:.95rem;font-weight:700;margin:0 0 12px;color:#fff}
.foot-grid a {display:block;color:var(--muted);font-size:.89rem;padding:4px 0}
.foot-grid a:hover {color:var(--accent)}
.foot-grid p {color:var(--muted);font-size:.88rem;margin:0}

/* --- 子页面追加 --- */
/* 本页专属少量样式，配色沿用站点变量 */
  body {background:var(--bg);color:var(--text);font-family:'Inter',-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;}
.doc-wrap {max-width:900px;margin:0 auto;padding:0 4px;}
.doc-block {background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:26px 26px 22px;margin-bottom:22px;}
.doc-block h2 {font-size:1.32rem;font-weight:800;letter-spacing:.2px;margin:0 0 14px;color:var(--text);display:flex;align-items:center;gap:10px;}
.doc-block h2 i {color:var(--brand);font-size:1.05rem;}
.doc-block h3 {font-size:1.02rem;font-weight:700;margin:20px 0 8px;color:var(--accent);}
.doc-block p {color:var(--muted);line-height:1.85;font-size:.95rem;margin:0 0 12px;}
.doc-block p:last-child {margin-bottom:0;}
.doc-block ul {color:var(--muted);line-height:1.85;font-size:.95rem;padding-left:20px;margin:0 0 12px;}
.doc-block li {margin-bottom:6px;}
.doc-block strong {color:var(--text);font-weight:600;}
.doc-note {background:var(--bg-soft);border-left:3px solid var(--accent);border-radius:10px;padding:14px 16px;color:var(--muted);font-size:.9rem;line-height:1.8;margin:16px 0 0;}
.doc-note i {color:var(--accent);margin-right:6px;}
.toc-list {list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.toc-list a {display:flex;align-items:center;gap:9px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-pill);padding:10px 16px;color:var(--muted);text-decoration:none;font-size:.88rem;font-weight:500;transition:all .22s ease;}
.toc-list a:hover {color:var(--text);border-color:var(--brand);background:rgba(129,140,248,.12);transform:translateY(-2px);}
.toc-list a i {color:var(--brand);}
.doc-meta {display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.doc-meta span {font-size:.78rem;color:var(--muted);background:rgba(129,140,248,.1);border:1px solid var(--line);border-radius:var(--radius-pill);padding:5px 13px;}
.doc-meta span i {color:var(--brand);margin-right:5px;}
.time-node {background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:20px 22px;margin-bottom:18px;}
.time-node h4 {font-size:1rem;font-weight:700;color:var(--text);margin:0 0 6px;}
.time-node p {color:var(--muted);font-size:.9rem;line-height:1.8;margin:0;}
.toc-list {grid-template-columns:1fr;}
.doc-block {padding:20px 18px;}
.doc-block h2 {font-size:1.14rem;}

/* --- 子页面追加 --- */
.map-link {display:flex;align-items:flex-start;gap:14px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--bg-card);text-decoration:none;transition:.25s;height:100%;}
.map-link:hover {transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-lg);}
.map-link i {font-size:18px;color:var(--brand);margin-top:3px;flex:0 0 auto;}
.map-link .ml-t {font-weight:700;color:var(--text);display:block;margin-bottom:4px;}
.map-link .ml-d {font-size:13px;line-height:1.6;color:var(--muted);display:block;margin:0;}
.map-block {background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;box-shadow:var(--shadow-sm);height:100%;}
.map-block h3 {font-size:17px;font-weight:800;color:var(--text);margin-bottom:6px;}
.map-block .mb-note {font-size:13px;color:var(--muted);margin-bottom:18px;}
.anchor-list {list-style:none;padding:0;margin:0;}
.anchor-list li {margin-bottom:12px;}
.anchor-list a {display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:600;font-size:14.5px;}
.anchor-list a:hover {color:var(--brand);}
.anchor-list .mono {font-size:12px;color:var(--muted);background:rgba(129,140,248,.1);border:1px solid var(--line);border-radius:var(--radius-pill);padding:2px 10px;}
.anchor-list p {font-size:13px;color:var(--muted);margin:6px 0 0 0;line-height:1.65;}
.tip-box {background:var(--bg-card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--radius-card);padding:20px 22px;}
.tip-box p {margin:0;color:var(--muted);font-size:14px;line-height:1.8;}