:root{
  --gold:#eab308;
  --amber:#f59e0b;
  --bg:#18181b;
  --ink:#fafafa;
  --panel:#1f1f23;
  --panel-2:#26262b;
  --line:#3a3a42;
  --muted:#a1a1aa;
  --shadow:8px 8px 0 rgba(0,0,0,.55);
  --shadow-hover:12px 12px 0 rgba(234,179,8,.22);
  --sidebar-w:262px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter','PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
  line-height:1.9;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.brand-type{
  font-family:'Segoe Script','Bradley Hand','Comic Sans MS','Inter','PingFang SC',sans-serif;
  letter-spacing:.5px;
  line-height:1.4;
  margin:0;
}
a{color:var(--gold);text-decoration:none;transition:color .2s;}
a:hover{color:var(--amber);}
img{max-width:100%;display:block;}
::selection{background:var(--gold);color:#18181b;}

/* ===== 侧栏 ===== */
.side-rail{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--panel);
  border-right:3px solid var(--line);
  padding:26px 18px 30px;
  overflow-y:auto;
  z-index:1040;
  transition:transform .3s ease;
}
.side-rail::-webkit-scrollbar{width:6px;}
.side-rail::-webkit-scrollbar-thumb{background:var(--line);}
.brand-block{
  display:flex;
  align-items:center;
  gap:10px;
  border:3px solid var(--gold);
  padding:12px 12px;
  background:#111114;
  box-shadow:5px 5px 0 rgba(0,0,0,.6);
  margin-bottom:8px;
}
.brand-block .b-icon{
  font-size:1.35rem;
  color:var(--gold);
  line-height:1;
}
.brand-block .brand-type{
  font-size:1.28rem;
  font-weight:800;
  color:var(--ink);
  white-space:nowrap;
}
.brand-sub{
  font-size:.74rem;
  color:var(--muted);
  letter-spacing:2px;
  text-transform:uppercase;
  margin:0 0 22px 2px;
}
.rail-label{
  font-size:.72rem;
  letter-spacing:3px;
  color:var(--muted);
  text-transform:uppercase;
  margin:22px 0 10px 2px;
}
.rail-nav{list-style:none;padding:0;margin:0;}
.rail-nav li{margin-bottom:8px;}
.rail-nav a{
  display:flex;
  align-items:center;
  gap:11px;
  padding:11px 12px;
  border:2px solid var(--line);
  background:var(--panel-2);
  color:var(--ink);
  font-weight:600;
  font-size:.93rem;
  transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.rail-nav a i{color:var(--gold);width:17px;text-align:center;font-size:.9rem;}
.rail-nav a:hover,.rail-nav a.active{
  transform:translateX(4px);
  background:#2e2e34;
  border-color:var(--gold);
  color:var(--gold);
}
.rail-note{
  margin-top:26px;
  border:2px dashed var(--line);
  padding:14px;
  font-size:.8rem;
  color:var(--muted);
  line-height:1.75;
}
.rail-note strong{color:var(--gold);}

/* ===== 移动端顶栏 ===== */
.mobile-top{
  display:none;
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(24,24,27,.86);
  backdrop-filter:blur(10px);
  border-bottom:3px solid var(--line);
  padding:12px 16px;
  align-items:center;
  justify-content:space-between;
  transition:background .3s ease, border-color .3s ease;
}
.mobile-top.scrolled{background:rgba(17,17,20,.96);border-color:var(--gold);}
.mobile-brand{display:flex;align-items:center;gap:8px;font-family:'Segoe Script','Inter',sans-serif;font-weight:800;font-size:1.06rem;color:var(--ink);}
.mobile-brand i{color:var(--gold);}
.burger{
  background:transparent;
  border:2px solid var(--gold);
  color:var(--gold);
  width:44px;height:40px;
  font-size:1.1rem;
  line-height:1;
  cursor:pointer;
}
.rail-backdrop{
  display:none;
  position:fixed;inset:0;
  background:rgba(0,0,0,.6);
  z-index:1035;
}
.rail-backdrop.show{display:block;}

/* ===== 主区域 ===== */
.main-shell{
  margin-left:var(--sidebar-w);
  position:relative;
  overflow-x:hidden;
}
.deco{
  position:absolute;
  pointer-events:none;
  z-index:0;
  opacity:.16;
}
.deco.circle{border-radius:50%;}
.deco.square{background:var(--gold);}
.deco.tri{
  width:0;height:0;
  background:transparent !important;
  border-left:34px solid transparent;
  border-right:34px solid transparent;
  border-bottom:58px solid var(--amber);
  opacity:.13;
}
section{position:relative;z-index:1;}
.wrap{
  padding:0 clamp(18px,4vw,58px);
  max-width:1380px;
}

/* ===== Hero ===== */
.hero{
  position:relative;
  overflow:hidden;
  border-bottom:3px solid var(--line);
  min-height:78vh;
  display:flex;
  align-items:center;
}
.hero-parallax{
  position:absolute;
  inset:-12% 0;
  z-index:0;
  background:
    radial-gradient(circle at 18% 26%, rgba(234,179,8,.14), transparent 46%),
    radial-gradient(circle at 82% 72%, rgba(245,158,11,.11), transparent 44%),
    linear-gradient(140deg,#101012 0%,#1b1b1f 52%,#131316 100%);
  will-change:transform;
}
.hero-grid-lines{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(234,179,8,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(234,179,8,.06) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:78px clamp(18px,4vw,58px) 66px;
  width:100%;
}
.hero-tag{
  display:inline-block;
  border:2px solid var(--gold);
  color:var(--gold);
  font-size:.76rem;
  letter-spacing:3px;
  padding:6px 14px;
  margin-bottom:26px;
  background:rgba(234,179,8,.07);
}
.hero h1{
  font-size:clamp(2.1rem,5.4vw,4.05rem);
  font-weight:800;
  color:var(--ink);
  max-width:19ch;
  min-height:1.4em;
  text-shadow:5px 5px 0 rgba(0,0,0,.5);
}
.hero h1 .cursor{
  display:inline-block;
  width:.06em;
  height:.92em;
  background:var(--gold);
  vertical-align:-.06em;
  margin-left:4px;
  animation:blink .9s steps(1) infinite;
}
@keyframes blink{50%{opacity:0;}}
.hero-desc{
  margin-top:26px;
  max-width:56ch;
  color:#d4d4d8;
  font-size:1.02rem;
  line-height:2.05;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:40px;
  border:3px solid var(--line);
  background:rgba(24,24,27,.6);
  max-width:640px;
}
.hero-stats div{
  flex:1 1 140px;
  padding:16px 20px;
  border-right:3px solid var(--line);
}
.hero-stats div:last-child{border-right:none;}
.hero-stats b{display:block;color:var(--gold);font-size:1.5rem;font-weight:800;line-height:1.2;}
.hero-stats span{font-size:.78rem;color:var(--muted);letter-spacing:1px;}
.hero-cta{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px;}
.btn-hard{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:13px 28px;
  border:3px solid var(--gold);
  background:var(--gold);
  color:#18181b;
  font-weight:800;
  font-size:.94rem;
  letter-spacing:1px;
  box-shadow:6px 6px 0 rgba(0,0,0,.55);
  transition:transform .16s ease, box-shadow .16s ease, background .16s ease, color .16s ease;
  cursor:pointer;
}
.btn-hard:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 rgba(0,0,0,.6);color:#18181b;background:var(--amber);border-color:var(--amber);}
.btn-ghost{
  background:transparent;
  color:var(--gold);
  border-color:var(--line);
  box-shadow:6px 6px 0 rgba(0,0,0,.45);
}
.btn-ghost:hover{background:var(--gold);color:#18181b;border-color:var(--gold);}

/* ===== 区块通用 ===== */
.sec{padding:74px 0;}
.sec-head{margin-bottom:44px;max-width:760px;}
.sec-kicker{
  font-size:.74rem;
  letter-spacing:4px;
  color:var(--gold);
  text-transform:uppercase;
  margin-bottom:12px;
  display:flex;
  align-items:center;
  gap:10px;
}
.sec-kicker::before{content:"";width:34px;height:3px;background:var(--gold);display:inline-block;}
.sec-head h2{
  font-size:clamp(1.5rem,3vw,2.24rem);
  color:var(--ink);
  font-weight:800;
}
.sec-head p{color:var(--muted);margin:14px 0 0;font-size:.98rem;line-height:2;}

/* ===== 特色卡片网格 ===== */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.f-card{
  border:3px solid var(--line);
  background:var(--panel);
  padding:28px 24px 30px;
  box-shadow:var(--shadow);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  position:relative;
}
.f-card:hover{
  transform:translateY(-7px);
  box-shadow:var(--shadow-hover);
  border-color:var(--gold);
}
.f-card .f-num{
  font-size:.74rem;
  letter-spacing:3px;
  color:var(--gold);
  font-weight:800;
  margin-bottom:16px;
}
.f-card h3{font-size:1.15rem;color:var(--ink);margin-bottom:12px;font-weight:700;}
.f-card p{color:var(--muted);font-size:.92rem;line-height:1.95;margin:0;}
.f-card i.f-ico{
  display:block;
  font-size:1.5rem;
  color:var(--gold);
  margin-bottom:16px;
}

/* ===== 步骤条 ===== */
.steps{
  border:3px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow);
}
.step{
  display:grid;
  grid-template-columns:96px 1fr;
  border-bottom:3px solid var(--line);
}
.step:last-child{border-bottom:none;}
.step-num{
  display:flex;
  align-items:center;
  justify-content:center;
  background:#111114;
  border-right:3px solid var(--line);
  color:var(--gold);
  font-size:1.7rem;
  font-weight:800;
  font-family:'Segoe Script','Inter',sans-serif;
}
.step-body{padding:26px 26px 28px;}
.step-body h3{font-size:1.1rem;color:var(--ink);margin-bottom:10px;font-weight:700;}
.step-body p{color:var(--muted);font-size:.93rem;margin:0;line-height:1.95;}

/* ===== FAQ ===== */
.faq-list{border:3px solid var(--line);background:var(--panel);box-shadow:var(--shadow);}
.faq-item{border-bottom:3px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;
  text-align:left;
  background:transparent;
  border:none;
  color:var(--ink);
  font-size:1rem;
  font-weight:700;
  padding:22px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  cursor:pointer;
  font-family:inherit;
  line-height:1.7;
  transition:color .18s, background .18s;
}
.faq-q:hover{color:var(--gold);background:#232328;}
.faq-q .fi{color:var(--gold);flex:0 0 auto;transition:transform .25s ease;font-size:.9rem;}
.faq-item.open .faq-q .fi{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease;
}
.faq-a p{
  margin:0;
  padding:0 24px 24px;
  color:var(--muted);
  font-size:.93rem;
  line-height:2.05;
}
.faq-item.open .faq-a{max-height:420px;}

/* ===== 介绍区海报 ===== */
.poster-intro{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:start;
}
.intro-text p{color:var(--muted);font-size:.97rem;line-height:2.1;margin:0 0 18px;}
.intro-text p:last-child{margin-bottom:0;}
.intro-text strong{color:var(--gold);}
.poster-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  width:100%;
}
.p-card{
  border:3px solid var(--line);
  background:var(--panel-2);
  padding:8px 8px 12px;
  box-shadow:5px 5px 0 rgba(0,0,0,.5);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.p-card:hover{
  transform:translateY(-6px);
  box-shadow:8px 8px 0 rgba(234,179,8,.25);
  border-color:var(--gold);
}
.p-card img{
  width:100%;
  aspect-ratio:2/3;
  object-fit:cover;
  background:#2b2b31;
  border:1px solid #3d3d45;
}
.p-card h4{
  font-family:'Inter','PingFang SC',sans-serif;
  font-size:.82rem;
  font-weight:700;
  color:var(--ink);
  margin:10px 2px 2px;
  line-height:1.5;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.p-card span{
  display:block;
  font-size:.7rem;
  color:var(--gold);
  letter-spacing:1px;
  margin:0 2px;
}

/* ===== CTA ===== */
.cta-band{
  border:3px solid var(--gold);
  background:linear-gradient(135deg,#1d1d21 0%,#26262c 100%);
  padding:clamp(30px,5vw,58px);
  box-shadow:10px 10px 0 rgba(0,0,0,.55);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-band h2{font-size:clamp(1.4rem,3vw,2.05rem);color:var(--ink);max-width:24ch;font-weight:800;}
.cta-band p{color:var(--muted);margin:12px 0 0;font-size:.95rem;max-width:52ch;line-height:2;}

/* ===== 友链 ===== */
.friend-zone{
  border-top:3px solid var(--line);
  padding:40px 0 8px;
}
.friend-zone h3{
  font-size:.8rem;
  letter-spacing:4px;
  color:var(--gold);
  text-transform:uppercase;
  margin-bottom:16px;
  font-family:'Inter',sans-serif;
}
.friend-links{
  border:2px dashed var(--line);
  padding:20px 22px;
  color:var(--muted);
  font-size:.88rem;
  line-height:2.1;
  word-break:break-word;
}

/* ===== 页脚 ===== */
footer{
  border-top:3px solid var(--line);
  background:#131316;
  padding:50px 0 34px;
  margin-top:52px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:34px;
  padding-bottom:34px;
  border-bottom:2px solid #2a2a30;
}
.foot-brand{display:flex;align-items:center;gap:10px;font-family:'Segoe Script','Inter',sans-serif;font-weight:800;font-size:1.16rem;color:var(--ink);margin-bottom:14px;}
.foot-brand i{color:var(--gold);}
.foot-grid p{color:var(--muted);font-size:.86rem;line-height:2;margin:0;}
.foot-grid h4{font-family:'Inter',sans-serif;font-size:.78rem;letter-spacing:3px;color:var(--gold);text-transform:uppercase;margin-bottom:16px;}
.foot-grid ul{list-style:none;padding:0;margin:0;}
.foot-grid ul li{margin-bottom:10px;}
.foot-grid ul a{color:var(--muted);font-size:.88rem;}
.foot-grid ul a:hover{color:var(--gold);}
.copy-bar{
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  color:#71717a;
  font-size:.8rem;
}
.copy-bar a{color:#71717a;}
.copy-bar a:hover{color:var(--gold);}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .poster-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991px){
  .side-rail{transform:translateX(-100%);width:280px;box-shadow:14px 0 30px rgba(0,0,0,.6);}
  .side-rail.open{transform:translateX(0);}
  .main-shell{margin-left:0;}
  .mobile-top{display:flex;}
  .poster-intro{grid-template-columns:1fr;gap:32px;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .hero{min-height:auto;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .sec{padding:54px 0;}
  .feature-grid{grid-template-columns:1fr;}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .step{grid-template-columns:1fr;}
  .step-num{border-right:none;border-bottom:3px solid var(--line);padding:14px;font-size:1.35rem;}
  .step-body{padding:20px;}
  .hero-stats div{flex:1 1 100%;border-right:none;border-bottom:3px solid var(--line);}
  .hero-stats div:last-child{border-bottom:none;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .faq-q{padding:18px;font-size:.94rem;}
  .faq-a p{padding:0 18px 20px;}
}
@media (max-width:400px){
  .poster-grid{grid-template-columns:repeat(2,1fr);}
  .brand-block .brand-type{font-size:1.1rem;}
}

/* --- 子页面追加 --- */
.guide-lead {max-width:820px;color:var(--muted);font-size:1.02rem;line-height:1.85}
.step-list {display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;margin-top:34px}
.step-card {background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px 22px;box-shadow:var(--shadow);transition:.25s ease}
.step-card:hover {transform:translate(-3px,-3px);box-shadow:var(--shadow-hover);border-color:var(--gold)}
.step-card h3 {font-size:1.08rem;font-weight:700;color:var(--ink);margin:0 0 10px}
.step-card p {color:var(--muted);font-size:.94rem;line-height:1.75;margin:0}
.tip-box {background:var(--panel-2);border-left:4px solid var(--gold);border-radius:0 12px 12px 0;padding:20px 24px;margin-top:26px;color:var(--muted);font-size:.95rem;line-height:1.8}
.tip-box strong {color:var(--gold)}
.faq-item h3 {font-size:1.02rem;font-weight:700;color:var(--ink);margin:0 0 10px;display:flex;gap:10px;align-items:flex-start}
.faq-item h3 i {color:var(--gold);font-size:.95rem;margin-top:4px}
.faq-item p {color:var(--muted);font-size:.94rem;line-height:1.78;margin:0}
.check-list {list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.check-list li {background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 18px;color:var(--muted);font-size:.94rem;line-height:1.7;display:flex;gap:12px}
.check-list li i {color:var(--gold);margin-top:4px}
.step-card,.faq-item {padding:20px 16px}
.guide-lead {font-size:.96rem}

/* --- 子页面追加 --- */
.rank-hero-sub {max-width:760px;}
.rank-grid {display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px;margin-top:26px;}
.rank-card {
    background:var(--panel);
    border:2px solid var(--line);
    box-shadow:var(--shadow);
    padding:0;
    display:flex;
    flex-direction:column;
    transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  }
.rank-card:hover {transform:translate(-4px,-4px);box-shadow:var(--shadow-hover);border-color:var(--gold);}
.rank-cover {position:relative;overflow:hidden;border-bottom:2px solid var(--line);}
.rank-cover img {width:100%;height:190px;object-fit:cover;display:block;filter:saturate(.92) contrast(1.02);}
.rank-no {
    position:absolute;top:10px;left:10px;
    background:var(--gold);color:#18181b;
    font-weight:900;font-size:.95rem;letter-spacing:.5px;
    padding:4px 11px;border:2px solid #18181b;
  }
.rank-score {
    position:absolute;top:10px;right:10px;
    background:rgba(24,24,27,.86);color:var(--gold);
    font-weight:800;font-size:.9rem;padding:4px 10px;
    border:1px solid var(--line);
  }
.rank-body {padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rank-body h3 {margin:0;font-size:1.12rem;font-weight:800;color:var(--ink);line-height:1.4;}
.rank-meta {display:flex;flex-wrap:wrap;gap:8px;font-size:.76rem;color:var(--muted);font-weight:500;}
.rank-meta span {border:1px solid var(--line);padding:2px 8px;background:var(--panel-2);}
.rank-body p {margin:0;font-size:.9rem;line-height:1.75;color:var(--muted);flex:1;}
.rank-tag {
    display:inline-block;font-size:.74rem;font-weight:700;
    color:var(--amber);letter-spacing:.4px;
    border-bottom:2px solid var(--amber);padding-bottom:1px;align-self:flex-start;
  }
.pick-list {list-style:none;padding:0;margin:26px 0 0;display:grid;gap:14px;}
.pick-list li {
    background:var(--panel-2);
    border-left:4px solid var(--gold);
    border-top:1px solid var(--line);
    border-right:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:16px 20px;
    display:flex;gap:14px;align-items:flex-start;
  }
.pick-list li i {color:var(--gold);margin-top:4px;}
.pick-list strong {color:var(--ink);display:block;margin-bottom:4px;font-size:.98rem;}
.pick-list span {color:var(--muted);font-size:.9rem;line-height:1.75;}
.rule-box {
    background:var(--panel);
    border:2px solid var(--line);
    box-shadow:var(--shadow);
    padding:26px 28px;
    margin-top:26px;
  }
.rule-box h3 {margin:0 0 8px;font-size:1.1rem;font-weight:800;color:var(--gold);}
.rule-box p {margin:0 0 14px;color:var(--muted);font-size:.93rem;line-height:1.8;}
.rule-box p:last-child {margin-bottom:0;}
.qa-item {border-bottom:1px solid var(--line);padding:18px 0;}
.qa-item:last-child {border-bottom:none;}
.qa-item h3 {margin:0 0 8px;font-size:1rem;font-weight:800;color:var(--ink);}
.qa-item p {margin:0;color:var(--muted);font-size:.92rem;line-height:1.8;}
.rank-grid {grid-template-columns:1fr;}
.rule-box {padding:20px 18px;}

/* --- 子页面追加 --- */
/* 本页专属少量样式，其余复用 style.css */
.about-lead {font-size:1.02rem;line-height:1.95;color:var(--muted);max-width:62ch}
.about-lead strong {color:var(--gold);font-weight:700}
.about-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:26px}
.about-card {background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 22px 20px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;height:100%}
.about-card:hover {transform:translate(-3px,-3px);box-shadow:var(--shadow-hover);border-color:rgba(234,179,8,.45)}
.about-card .ico {width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:11px;background:rgba(234,179,8,.13);color:var(--gold);font-size:1.05rem;margin-bottom:14px}
.about-card h3 {font-size:1.02rem;font-weight:800;color:var(--ink);margin:0 0 10px;letter-spacing:.2px}
.about-card p {font-size:.9rem;line-height:1.85;color:var(--muted);margin:0}
.about-list {list-style:none;padding:0;margin:22px 0 0}
.about-list li {display:flex;gap:12px;align-items:flex-start;padding:14px 16px;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;font-size:.92rem;line-height:1.8;color:var(--muted)}
.about-list li i {color:var(--gold);margin-top:5px;flex:0 0 auto}
.about-list li b {color:var(--ink);font-weight:700}
.timeline {position:relative;margin-top:26px;padding-left:26px;border-left:2px dashed var(--line)}
.tl-item {position:relative;padding:0 0 26px 8px}
.tl-item:last-child {padding-bottom:0}
.tl-item::before {content:"";position:absolute;left:-35px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(234,179,8,.16)}
.tl-item h4 {font-size:.98rem;font-weight:800;color:var(--ink);margin:0 0 6px}
.tl-item p {font-size:.9rem;line-height:1.8;color:var(--muted);margin:0}
.about-note {background:var(--panel-2);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:12px;padding:20px 22px;margin-top:26px;font-size:.92rem;line-height:1.9;color:var(--muted)}
.about-note b {color:var(--gold)}
.about-cta {display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.about-card {padding:18px}
.about-lead {font-size:.96rem}

/* --- 子页面追加 --- */
.doc-body { max-width: 860px; }
.doc-lead { color: var(--muted); font-size: 1.02rem; line-height: 1.85; }
.doc-card {
    background: var(--panel);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 26px 26px 22px;
    margin-bottom: 22px;
    transition: box-shadow .25s ease, transform .25s ease;
  }
.doc-card:hover { box-shadow: var(--shadow-hover); transform: translate(-2px,-2px); }
.doc-card h2 {
    font-size: 1.28rem; font-weight: 800; color: var(--ink);
    margin: 0 0 14px; letter-spacing: .2px;
  }
.doc-card h2 i { color: var(--gold); margin-right: 10px; }
.doc-card h3 {
    font-size: 1.02rem; font-weight: 700; color: var(--amber);
    margin: 20px 0 8px;
  }
.doc-card p, .doc-card li { color: var(--muted); line-height: 1.85; font-size: .95rem; }
.doc-card p { margin: 0 0 12px; }
.doc-card ul { padding-left: 20px; margin: 0 0 12px; }
.doc-card li { margin-bottom: 7px; }
.doc-card strong { color: var(--ink); font-weight: 600; }
.doc-card a { color: var(--gold); text-decoration: none; }
.doc-card a:hover { text-decoration: underline; }
.doc-toc {
    background: var(--panel-2); border-left: 3px solid var(--gold);
    padding: 16px 20px; margin-bottom: 26px;
  }
.doc-toc-label { color: var(--gold); font-size: .78rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 10px; }
.doc-toc ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 18px; }
.doc-toc a { color: var(--ink); font-size: .9rem; text-decoration: none; }
.doc-toc a:hover { color: var(--gold); }
.doc-meta { color: var(--muted); font-size: .82rem; margin-top: 6px; }
.doc-note {
    background: rgba(234,179,8,.08); border: 1px dashed var(--line);
    padding: 14px 18px; color: var(--muted); font-size: .9rem; line-height: 1.8; margin: 14px 0;
  }
.doc-note strong { color: var(--gold); }
.doc-card { padding: 20px 18px; }
.doc-card h2 { font-size: 1.12rem; }