:root{
  --main:#6d5dfc;
  --accent:#22d3ee;
  --bg:#0f1020;
  --fg:#e8eaf6;
  --panel:#171a33;
  --panel-2:#1d2044;
  --line:rgba(109,93,252,.35);
  --mono:'Courier New',ui-monospace,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:'Inter',"PingFang SC","Microsoft YaHei",sans-serif;
  font-weight:400;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-weight:900;letter-spacing:-.02em;line-height:1.05;}
a{text-decoration:none;color:inherit;}
::selection{background:var(--main);color:#fff;}

/* ---------- nav ---------- */
.topnav{
  position:sticky;top:0;z-index:1000;
  background:rgba(15,16,32,.92);
  backdrop-filter:blur(12px);
  border-bottom:3px solid var(--main);
}
.topnav .wrap{
  max-width:1400px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;gap:24px;
}
.brand{
  font-size:1.55rem;font-weight:900;letter-spacing:-.03em;
  color:#fff;display:flex;align-items:center;gap:8px;white-space:nowrap;
}
.brand i{color:var(--accent);}
.brand .mark{
  background:var(--main);padding:2px 10px;color:#fff;
  box-shadow:5px 5px 0 rgba(34,211,238,.45);
}
.navlinks{
  display:flex;gap:6px;margin-left:auto;flex-wrap:wrap;
}
.navlinks a{
  padding:8px 14px;font-size:.92rem;font-weight:600;
  color:var(--fg);border:2px solid transparent;transition:.18s;
}
.navlinks a:hover{
  color:var(--accent);border:2px solid var(--line);
  background:var(--panel);
}
.burger{
  margin-left:auto;display:none;background:var(--panel);
  border:2px solid var(--main);color:var(--fg);
  font-size:1.15rem;padding:6px 12px;cursor:pointer;
}
@media(max-width:900px){
  .burger{display:block;}
  .navlinks{
    display:none;width:100%;flex-direction:column;margin-top:12px;gap:2px;
  }
  .navlinks.open{display:flex;}
  .topnav .wrap{flex-wrap:wrap;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  border-bottom:4px solid var(--main);
  background:
    linear-gradient(115deg,rgba(15,16,32,.96) 0%,rgba(15,16,32,.82) 45%,rgba(15,16,32,.55) 100%),
    radial-gradient(circle at 78% 30%,rgba(109,93,252,.55),transparent 55%),
    radial-gradient(circle at 92% 78%,rgba(34,211,238,.35),transparent 50%),
    #12142a;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(109,93,252,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(109,93,252,.07) 1px,transparent 1px);
  background-size:60px 60px;pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;max-width:1400px;margin:0 auto;
  padding:96px 20px 84px;
}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:.8rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--accent);
  border:2px solid var(--line);padding:8px 16px;margin-bottom:26px;
  background:rgba(109,93,252,.12);
}
.hero h1{
  font-size:clamp(2.6rem,7vw,4.2rem);
  color:#fff;margin:0 0 22px;max-width:16ch;
}
.hero h1 em{
  font-style:normal;color:var(--accent);
  text-shadow:6px 6px 0 rgba(109,93,252,.55);
}
.hero p.lead{
  font-size:1.12rem;color:#b9bde0;max-width:56ch;line-height:1.75;margin:0 0 34px;
}
.btn-hard{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--main);color:#fff;font-weight:800;font-size:1rem;
  padding:15px 30px;border:3px solid var(--main);
  box-shadow:8px 8px 0 rgba(34,211,238,.55);
  transition:.16s;
}
.btn-hard:hover{transform:translate(-3px,-3px);box-shadow:12px 12px 0 rgba(34,211,238,.7);color:#fff;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  background:transparent;color:var(--fg);font-weight:700;
  padding:15px 30px;border:3px solid var(--fg);transition:.16s;
}
.btn-ghost:hover{background:var(--fg);color:var(--bg);transform:translate(-3px,-3px);box-shadow:8px 8px 0 rgba(109,93,252,.6);}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:56px;border:3px solid var(--line);
  background:rgba(15,16,32,.6);width:fit-content;
}
.hero-stats div{
  padding:18px 30px;border-right:3px solid var(--line);
}
.hero-stats div:last-child{border-right:none;}
.hero-stats b{display:block;font-family:var(--mono);font-size:1.7rem;color:var(--accent);}
.hero-stats span{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:#8f93bd;}

/* ---------- section base ---------- */
section{padding:80px 0;}
.wrap{max-width:1400px;margin:0 auto;padding:0 20px;}
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:18px;
  margin-bottom:44px;padding-bottom:22px;border-bottom:4px solid var(--line);
}
.sec-head h2{
  font-size:clamp(2rem,4.6vw,3.2rem);margin:0;color:#fff;
}
.sec-head h2 i{color:var(--main);font-size:.75em;margin-right:12px;}
.sec-head .sub{
  font-family:var(--mono);font-size:.82rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin-left:auto;
}
.sec-head p{margin:0;color:#9aa0c8;font-size:.95rem;flex-basis:100%;max-width:70ch;line-height:1.7;}

/* ---------- categories ---------- */
.cat-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:0;
  border:3px solid var(--line);
}
.cat{
  padding:32px 22px;border-right:3px solid var(--line);border-bottom:3px solid var(--line);
  background:var(--panel);transition:.18s;position:relative;overflow:hidden;
}
.cat i{font-size:1.6rem;color:var(--accent);display:block;margin-bottom:14px;}
.cat b{display:block;font-size:1.12rem;font-weight:800;color:#fff;}
.cat span{font-family:var(--mono);font-size:.76rem;color:#8f93bd;}
.cat:hover{background:var(--main);transform:translateY(-4px);box-shadow:0 10px 0 rgba(34,211,238,.4);}
.cat:hover i,.cat:hover b,.cat:hover span{color:#fff;}

/* ---------- tabs ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:0;margin-bottom:34px;border:3px solid var(--line);width:fit-content;}
.tab{
  padding:14px 26px;font-weight:800;font-size:.95rem;cursor:pointer;
  background:var(--panel);border-right:3px solid var(--line);color:#a6aad2;transition:.16s;
}
.tab:last-child{border-right:none;}
.tab.active,.tab:hover{background:var(--main);color:#fff;}
.tabpane{display:none;}
.tabpane.active{display:block;}

/* ---------- poster wall ---------- */
.wall{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:22px;
}
.card{
  position:relative;background:var(--panel);border:3px solid #262a52;
  cursor:pointer;transition:transform .22s,box-shadow .22s,border-color .22s;
}
.card:hover{
  transform:translate(-5px,-5px) scale(1.03);border-color:var(--main);
  box-shadow:12px 12px 0 rgba(109,93,252,.55);z-index:5;
}
.card .thumb{position:relative;overflow:hidden;aspect-ratio:2/3;background:#0b0c1a;}
.card .thumb img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .45s ease;
}
.card:hover .thumb img{transform:scale(1.12);}
.badge{
  position:absolute;top:0;left:0;font-family:var(--mono);font-size:.72rem;
  font-weight:700;letter-spacing:.06em;padding:4px 9px;color:#0f1020;background:var(--accent);
}
.badge.hd{background:var(--accent);}
.badge.k4{background:var(--main);color:#fff;}
.score{
  position:absolute;top:0;right:0;font-family:var(--mono);font-weight:700;
  font-size:.82rem;padding:4px 9px;background:rgba(15,16,32,.9);color:var(--accent);
  border-left:2px solid var(--line);border-bottom:2px solid var(--line);
}
.overlay{
  position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,16,32,.97) 8%,rgba(109,93,252,.72) 100%);
  opacity:0;transition:opacity .28s;display:flex;flex-direction:column;justify-content:flex-end;
  padding:16px;
}
.card:hover .overlay{opacity:1;}
.overlay .plot{font-size:.8rem;line-height:1.6;color:#e6e8ff;margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden;}
.overlay .meta{font-family:var(--mono);font-size:.72rem;color:var(--accent);}
.card .info{padding:13px 13px 15px;border-top:3px solid #262a52;}
.card .info h4{
  font-size:.98rem;font-weight:800;margin:0 0 6px;color:#fff;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.card .info .row2{
  font-family:var(--mono);font-size:.74rem;color:#8f93bd;
  display:flex;justify-content:space-between;gap:8px;
}

/* ---------- ranking ---------- */
.ranklist{border:3px solid var(--line);}
.rank-row{
  display:grid;grid-template-columns:64px 88px 1fr auto;gap:18px;align-items:center;
  padding:14px 18px;border-bottom:3px solid #20234a;background:var(--panel);
  cursor:pointer;transition:.16s;
}
.rank-row:last-child{border-bottom:none;}
.rank-row:hover{background:var(--panel-2);transform:translateX(8px);}
.rank-no{
  font-family:var(--mono);font-size:1.7rem;font-weight:700;color:var(--main);
}
.rank-row:nth-child(1) .rank-no{color:var(--accent);}
.rank-row:nth-child(2) .rank-no{color:var(--accent);}
.rank-row:nth-child(3) .rank-no{color:var(--accent);}
.rank-row img{width:88px;height:118px;object-fit:cover;border:2px solid #2b2f5c;}
.rank-txt h4{margin:0 0 6px;font-size:1.05rem;font-weight:800;color:#fff;}
.rank-txt p{margin:0;font-size:.82rem;color:#9296c0;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rank-score{font-family:var(--mono);font-size:1.35rem;font-weight:700;color:var(--accent);}
@media(max-width:640px){
  .rank-row{grid-template-columns:44px 64px 1fr;gap:12px;}
  .rank-row img{width:64px;height:92px;}
  .rank-score{grid-column:3;font-size:1rem;}
  .rank-no{font-size:1.15rem;}
}

/* ---------- new list ---------- */
.new-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:0;border:3px solid var(--line);}
.new-item{
  display:flex;gap:14px;padding:16px;border-right:3px solid var(--line);border-bottom:3px solid var(--line);
  background:var(--panel);transition:.16s;cursor:pointer;
}
.new-item:hover{background:var(--panel-2);transform:translateY(-4px);}
.new-item img{width:74px;height:104px;object-fit:cover;border:2px solid #2b2f5c;flex:none;}
.new-item h5{margin:0 0 7px;font-size:.95rem;font-weight:800;color:#fff;}
.new-item p{margin:0;font-size:.78rem;color:#9296c0;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.new-item .tag{font-family:var(--mono);font-size:.7rem;color:var(--accent);}

/* ---------- random picker ---------- */
.picker{
  border:3px solid var(--main);background:var(--panel);
  padding:44px 34px;box-shadow:12px 12px 0 rgba(34,211,238,.35);
}
.picker h3{font-size:clamp(1.6rem,3.4vw,2.3rem);color:#fff;margin:0 0 14px;}
.pick-out{
  margin-top:26px;border:3px dashed var(--line);padding:26px;background:var(--bg);
}
.pick-out .t{font-family:var(--mono);font-size:.76rem;color:var(--accent);letter-spacing:.18em;text-transform:uppercase;}
.pick-out .n{font-size:1.5rem;font-weight:900;color:#fff;margin:10px 0 8px;}
.pick-out .d{color:#a6aad2;font-size:.92rem;line-height:1.7;margin:0;}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:20px;padding-left:36px;}
.timeline::before{
  content:"";position:absolute;left:8px;top:6px;bottom:6px;width:4px;background:var(--main);
}
.tl-item{position:relative;margin-bottom:36px;}
.tl-item::before{
  content:"";position:absolute;left:-36px;top:6px;width:20px;height:20px;
  background:var(--accent);border:4px solid var(--bg);box-shadow:0 0 0 3px var(--main);
}
.tl-item h4{margin:0 0 8px;font-size:1.15rem;font-weight:800;color:#fff;}
.tl-item .yr{font-family:var(--mono);font-size:.78rem;color:var(--accent);letter-spacing:.1em;}
.tl-item p{margin:8px 0 0;color:#a6aad2;font-size:.92rem;line-height:1.75;max-width:80ch;}

/* ---------- friends / footer ---------- */
.friendzone{border:3px solid var(--line);padding:30px;background:var(--panel);}
.friendzone h3{font-size:1.15rem;color:#fff;margin:0 0 16px;letter-spacing:.04em;}
.friendzone h3 i{color:var(--accent);}
.friendzone .links{color:#9aa0c8;font-size:.9rem;line-height:2.1;word-break:break-all;}
footer{
  border-top:4px solid var(--main);background:#0a0b16;padding:56px 0 26px;margin-top:20px;
}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
@media(max-width:820px){.f-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.f-grid{grid-template-columns:1fr;}}
.f-grid h5{font-size:.88rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 16px;}
.f-grid a,.f-grid p{display:block;color:#9aa0c8;font-size:.9rem;line-height:2;margin:0;}
.f-grid a:hover{color:var(--main);}
.f-brand{font-size:1.4rem;font-weight:900;color:#fff;margin-bottom:14px;}
.f-bottom{
  margin-top:44px;padding-top:22px;border-top:2px solid #1e2145;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-family:var(--mono);font-size:.78rem;color:#71759c;
}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,7,16,.78);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:.25s;z-index:2000;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(430px,92vw);
  background:var(--panel);border-left:4px solid var(--main);
  transform:translateX(105%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  z-index:2001;overflow-y:auto;box-shadow:-14px 0 0 rgba(34,211,238,.25);
}
.drawer.show{transform:translateX(0);}
.drawer .d-head{
  position:sticky;top:0;background:var(--main);padding:16px 20px;
  display:flex;align-items:center;justify-content:space-between;z-index:3;
}
.drawer .d-head span{font-weight:900;color:#fff;letter-spacing:.04em;}
.drawer .d-close{
  background:transparent;border:3px solid #fff;color:#fff;font-size:1rem;
  width:38px;height:38px;cursor:pointer;font-weight:900;transition:.16s;
}
.drawer .d-close:hover{background:#fff;color:var(--main);}
.drawer .d-body{padding:22px;}
.drawer .d-body img{width:100%;aspect-ratio:2/3;object-fit:cover;border:3px solid #2b2f5c;display:block;margin-bottom:20px;}
.drawer h3{font-size:1.5rem;color:#fff;margin:0 0 6px;}
.drawer .d-year{font-family:var(--mono);font-size:.82rem;color:var(--accent);letter-spacing:.1em;}
.d-fields{margin-top:20px;border-top:3px solid #262a52;}
.d-fields .fr{display:grid;grid-template-columns:88px 1fr;gap:12px;padding:12px 0;border-bottom:2px solid #20234a;}
.d-fields .fr b{font-family:var(--mono);font-size:.74rem;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;font-weight:700;}
.d-fields .fr div{font-size:.9rem;color:#cfd2ee;line-height:1.65;}
.d-plot{margin-top:20px;background:var(--bg);border:2px solid var(--line);padding:16px;
  font-size:.9rem;line-height:1.8;color:#b9bde0;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(38px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}

/* --- 子页面追加 --- */
/* ===== 本页专属少量样式,复用首页配色变量 ===== */
  body { background: var(--bg); color: var(--fg); }
.page-head {
    padding: 132px 0 40px;
    position: relative;
    overflow: hidden;
  }
.page-head::before {
    content: "";
    position: absolute;
    inset: -40% -10% auto -10%;
    height: 520px;
    background: radial-gradient(60% 60% at 30% 40%, rgba(109,93,252,.30), transparent 70%),
                radial-gradient(50% 50% at 78% 20%, rgba(22,211,238,.18), transparent 70%);
    pointer-events: none;
  }
.page-head .wrap { position: relative; z-index: 1; }
.page-head h1 {
    font-size: clamp(28px, 4.4vw, 46px);
    font-weight: 900;
    line-height: 1.18;
    margin: 14px 0 16px;
    letter-spacing: -.5px;
  }
.page-head h1 em {
    font-style: normal;
    background: linear-gradient(92deg, var(--main), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
.page-head p.lead {
    color: rgba(232,234,246,.72);
    max-width: 720px;
    font-size: 16px;
    line-height: 1.85;
  }
.guide-layout { padding: 10px 0 70px; }
.guide-block {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 26px 26px 24px;
    margin-bottom: 22px;
  }
.guide-block h2 {
    font-size: 21px;
    font-weight: 800;
    margin: 0 0 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -.2px;
  }
.guide-block h2 i { color: var(--accent); font-size: 18px; }
.guide-block .sub {
    color: rgba(232,234,246,.55);
    font-size: 13.5px;
    margin-bottom: 18px;
  }
.guide-block h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 20px 0 8px;
    color: var(--fg);
  }
.guide-block p {
    color: rgba(232,234,246,.76);
    font-size: 14.5px;
    line-height: 1.9;
    margin: 0 0 10px;
  }
.guide-block ul, .guide-block ol {
    margin: 8px 0 12px;
    padding-left: 22px;
    color: rgba(232,234,246,.76);
    font-size: 14.5px;
    line-height: 1.9;
  }
.guide-block li { margin-bottom: 6px; }
.guide-block strong { color: var(--fg); }
.guide-block code {
    font-family: var(--mono);
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 1px 7px;
    font-size: 13px;
    color: var(--accent);
  }
.step-row {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 14px 0;
    border-bottom: 1px dashed rgba(109,93,252,.22);
  }
.step-row:last-child { border-bottom: 0; }
.step-no {
    flex: 0 0 auto;
    width: 34px; height: 34px;
    border-radius: 10px;
    display: grid; place-items: center;
    font-weight: 800;
    font-size: 14px;
    background: linear-gradient(140deg, var(--main), #4f42d8);
    color: #fff;
    box-shadow: 0 6px 18px rgba(109,93,252,.35);
  }
.step-body h3 { margin: 3px 0 6px; }
.step-body p { margin: 0; }
.tip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin-top: 6px;
  }
.tip-card {
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 13px;
    padding: 16px 16px 14px;
  }
.tip-card i { color: var(--main); font-size: 18px; }
.tip-card h3 { font-size: 14.5px; margin: 10px 0 6px; }
.tip-card p { font-size: 13.5px; margin: 0; color: rgba(232,234,246,.68); }
.faq-item {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel-2);
    padding: 4px 16px;
    margin-bottom: 10px;
  }
.faq-item summary {
    cursor: pointer;
    list-style: none;
    font-weight: 700;
    font-size: 14.5px;
    padding: 13px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--fg);
  }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
    content: "\f059";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: var(--accent);
    font-size: 14px;
  }
.faq-item[open] summary { color: var(--accent); }
.faq-item p {
    margin: 0 0 14px;
    padding-left: 24px;
    font-size: 14px;
  }
.side-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 18px;
  }
.side-card h3 {
    font-size: 15px;
    font-weight: 800;
    margin: 0 0 12px;
    display: flex; align-items: center; gap: 8px;
  }
.side-card h3 i { color: var(--accent); }
.side-card a.side-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--panel-2);
    border: 1px solid transparent;
    color: var(--fg);
    text-decoration: none;
    font-size: 13.5px;
    margin-bottom: 8px;
    transition: .18s;
  }
.side-card a.side-link:hover {
    border-color: var(--line);
    color: var(--accent);
    transform: translateX(3px);
  }
.side-card a.side-link i { color: var(--main); font-size: 12px; }
.kw-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.kw-tags span {
    font-size: 12.5px;
    padding: 5px 11px;
    border-radius: 999px;
    background: rgba(109,93,252,.14);
    border: 1px solid var(--line);
    color: rgba(232,234,246,.8);
  }
.cta-band {
    background: linear-gradient(120deg, rgba(109,93,252,.22), rgba(22,211,238,.12));
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 26px 24px;
    text-align: center;
    margin-top: 6px;
  }
.cta-band h2 { justify-content: center; }
.cta-band p { max-width: 620px; margin: 0 auto 16px; }
.page-head { padding: 108px 0 30px; }
.guide-block { padding: 20px 17px; }

/* --- 子页面追加 --- */
/* 本页专属少量样式：仅用于关于页的结构排版，配色沿用站点变量 */
.about-lead {
  font-size:1.05rem;
  line-height:1.95;
  color:var(--fg);
  opacity:.92;
}
.about-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:18px;
  margin-top:26px;
}
.about-block {
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:22px 20px;
  height:100%;
  transition:transform .25s ease, border-color .25s ease;
}
.about-block:hover {
  transform:translateY(-4px);
  border-color:var(--accent);
}
.about-block .ico {
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--main),var(--accent));
  color:#fff;font-size:1.1rem;
  margin-bottom:14px;
}
.about-block h3 {
  font-size:1.02rem;
  font-weight:700;
  margin:0 0 10px;
  color:var(--fg);
}
.about-block p {
  margin:0;
  font-size:.9rem;
  line-height:1.85;
  color:var(--fg);
  opacity:.78;
}
.about-sec {
  margin-top:56px;
}
.about-sec h2 {
  font-size:1.5rem;
  font-weight:800;
  color:var(--fg);
  margin-bottom:16px;
  letter-spacing:.2px;
}
.about-sec h2 i {
  color:var(--accent);
  margin-right:10px;
  font-size:1.15rem;
}
.about-sec p {
  line-height:1.95;
  color:var(--fg);
  opacity:.85;
  font-size:.95rem;
  margin-bottom:14px;
}
.about-list {
  list-style:none;
  padding:0;margin:18px 0 0;
}
.about-list li {
  position:relative;
  padding:11px 0 11px 30px;
  border-bottom:1px dashed var(--line);
  font-size:.93rem;
  line-height:1.7;
  color:var(--fg);
  opacity:.88;
}
.about-list li:last-child {border-bottom:none;}
.about-list li::before {
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;top:12px;
  color:var(--accent);
  font-size:.8rem;
}
.about-list li b {color:var(--accent);font-weight:600;}
.tl-item:last-child {padding-bottom:0;}
.about-quote {
  background:var(--panel-2);
  border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;
  padding:20px 22px;
  margin-top:26px;
  font-size:.95rem;
  line-height:1.9;
  color:var(--fg);
  opacity:.9;
}
.about-cta {
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.about-sec {margin-top:42px;}
.about-sec h2 {font-size:1.28rem;}
.about-block {padding:18px 16px;}

/* --- 子页面追加 --- */
.doc-hero {padding:70px 0 40px;}
.doc-hero h1 {font-size:clamp(26px,4vw,44px);font-weight:800;line-height:1.25;margin:14px 0 16px;}
.doc-hero h1 .hl {color:var(--accent);}
.doc-hero p {color:rgba(232,234,246,.72);max-width:760px;line-height:1.9;font-size:15.5px;}
.doc-meta {display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.doc-meta span {display:inline-flex;align-items:center;gap:7px;font-size:13px;padding:6px 14px;border-radius:999px;
    background:var(--panel-2);border:1px solid var(--line);color:rgba(232,234,246,.8);}
.doc-meta span i {color:var(--accent);}
.doc-body {padding:20px 0 80px;}
.doc-toc {background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 24px;position:sticky;top:96px;}
.doc-toc h3 {font-size:15px;font-weight:700;margin:0 0 14px;letter-spacing:.5px;color:var(--fg);}
.doc-toc h3 i {color:var(--main);margin-right:8px;}
.doc-toc a {display:block;font-size:13.5px;color:rgba(232,234,246,.7);padding:7px 0;text-decoration:none;border-bottom:1px dashed rgba(109,93,252,.18);transition:.2s;}
.doc-toc a:last-child {border-bottom:none;}
.doc-toc a:hover {color:var(--accent);padding-left:6px;}
.doc-sec {margin-bottom:34px;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px 30px;}
.doc-sec h2 {font-size:20px;font-weight:800;margin:0 0 16px;display:flex;align-items:flex-start;gap:12px;line-height:1.4;}
.doc-sec h2 .num {flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
    background:linear-gradient(135deg,var(--main),var(--accent));color:#0f1020;font-size:15px;font-weight:900;}
.doc-sec p {color:rgba(232,234,246,.78);line-height:1.95;font-size:14.8px;margin:0 0 12px;}
.doc-sec p:last-child {margin-bottom:0;}
.doc-sec ul {margin:0 0 12px;padding-left:0;list-style:none;}
.doc-sec ul li {position:relative;padding-left:22px;margin-bottom:10px;color:rgba(232,234,246,.78);line-height:1.85;font-size:14.6px;}
.doc-sec ul li::before {content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:2px;color:var(--accent);font-size:12.5px;}
.doc-sec b,.doc-sec strong {color:var(--fg);}
.doc-tip {background:var(--panel-2);border-left:3px solid var(--accent);border-radius:0 12px 12px 0;padding:16px 20px;margin:16px 0 0;
    color:rgba(232,234,246,.82);font-size:14px;line-height:1.85;}
.doc-tip i {color:var(--accent);margin-right:8px;}
.doc-cta {margin-top:8px;background:linear-gradient(135deg,rgba(109,93,252,.22),rgba(34,211,238,.14));border:1px solid var(--line);
    border-radius:18px;padding:30px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;}
.doc-cta h3 {margin:0 0 6px;font-size:18px;font-weight:800;color:var(--fg);}
.doc-cta p {margin:0;font-size:13.8px;color:rgba(232,234,246,.72);}
.doc-toc {position:static;margin-bottom:26px;}
.doc-sec {padding:22px 18px;}
.doc-hero {padding:44px 0 24px;}

/* --- 子页面追加 --- */
.contact-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:26px;}
.contact-box {background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 20px;transition:.25s;}
.contact-box:hover {transform:translateY(-4px);border-color:var(--accent);background:var(--panel-2);}
.contact-box .ico {width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;background:linear-gradient(135deg,var(--main),var(--accent));margin-bottom:14px;}
.contact-box h3 {margin:0 0 8px;font-size:17px;font-weight:700;color:var(--fg);}
.contact-box p {margin:0 0 10px;font-size:14px;line-height:1.75;color:rgba(232,234,246,.72);}
.contact-box .addr {font-family:var(--mono);font-size:13.5px;color:var(--accent);word-break:break-all;}
.faq-item h3 {margin:0 0 8px;font-size:16px;font-weight:700;color:var(--fg);display:flex;gap:10px;align-items:flex-start;}
.faq-item h3 i {color:var(--accent);margin-top:3px;font-size:14px;}
.notice {background:linear-gradient(135deg,rgba(109,93,252,.16),rgba(34,211,238,.1));border:1px solid var(--line);border-radius:16px;padding:22px 24px;margin-top:26px;}
.notice p {margin:0;font-size:14.5px;line-height:1.9;color:rgba(232,234,246,.82);}
.notice strong {color:var(--accent);}
.steprow {display:flex;gap:14px;flex-wrap:wrap;margin-top:22px;}
.stepcard {flex:1 1 200px;background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:18px;}
.stepcard span {font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:1px;}
.stepcard h4 {margin:8px 0 6px;font-size:15px;color:var(--fg);font-weight:700;}
.stepcard p {margin:0;font-size:13.5px;line-height:1.7;color:rgba(232,234,246,.68);}
.page-hero {padding:120px 0 40px;}
.page-hero h1 {font-size:clamp(26px,4vw,42px);font-weight:900;line-height:1.25;margin:14px 0 14px;}
.page-hero p {max-width:760px;color:rgba(232,234,246,.75);font-size:15.5px;line-height:1.9;margin:0;}
.sec {padding:44px 0;}
.sec-title {font-size:clamp(20px,2.6vw,28px);font-weight:800;margin:0 0 8px;color:var(--fg);}
.sec-sub {margin:0 0 6px;font-size:14.5px;color:rgba(232,234,246,.66);line-height:1.85;}