:root{
  --brand:#6d5dfc;
  --accent:#22d3ee;
  --bg:#0f1020;
  --ink:#e8eaf6;
  --card:#171a30;
  --card-2:#1e2140;
  --muted:#9aa0c8;
  --line:rgba(109,93,252,.22);
  --radius:18px;
  --radius-lg:28px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',"PingFang SC","Microsoft YaHei",sans-serif;
  overflow-x:hidden;
  line-height:1.7;
}
body::before{
  content:"";
  position:fixed;
  top:-20%;left:-10%;
  width:60vw;height:60vw;
  background:radial-gradient(circle,rgba(109,93,252,.20),transparent 65%);
  pointer-events:none;z-index:0;
}
body::after{
  content:"";
  position:fixed;
  bottom:-25%;right:-15%;
  width:55vw;height:55vw;
  background:radial-gradient(circle,rgba(34,211,238,.13),transparent 65%);
  pointer-events:none;z-index:0;
}
h1,h2,h3,.display-font{
  font-family:'Inter',"PingFang SC",sans-serif;
  font-weight:800;
  letter-spacing:-.02em;
}
a{text-decoration:none;color:inherit;}
.wrap{position:relative;z-index:2;}

/* 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:9999;
  box-shadow:0 0 12px rgba(34,211,238,.7);
  transition:width .08s linear;
}

/* 导航 */
.nav-shell{
  position:sticky;top:0;z-index:900;
  backdrop-filter:blur(16px);
  background:rgba(15,16,32,.82);
  border-bottom:1px solid var(--line);
}
.navbar-brand{
  font-weight:900;font-size:1.3rem;
  color:var(--ink)!important;
  display:flex;align-items:center;gap:.5rem;
}
.brand-dot{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;font-size:.95rem;
  box-shadow:0 6px 18px rgba(109,93,252,.45);
  flex:0 0 auto;
}
.brand-text{
  background:linear-gradient(90deg,#fff,var(--accent));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.nav-link{
  color:var(--muted)!important;
  font-weight:500;font-size:.94rem;
  padding:.45rem .95rem!important;
  border-radius:999px;
  transition:.25s;
}
.nav-link:hover,.nav-link.active{
  color:#fff!important;
  background:rgba(109,93,252,.20);
}
.navbar-toggler{
  border:1px solid var(--line);
  border-radius:14px;padding:.3rem .6rem;
}
.navbar-toggler:focus{box-shadow:none;}
.navbar-toggler i{color:var(--accent);}

/* Hero 轮播 */
.hero{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  min-height:520px;
  margin-top:1.6rem;
  border:1px solid var(--line);
  box-shadow:0 30px 70px rgba(0,0,0,.55);
  background:#0b0c1a;
}
.hero-layer{
  position:absolute;inset:0;
  opacity:0;transition:opacity 1s ease;
  display:flex;align-items:flex-end;
  padding:2.6rem 2.4rem;
}
.hero-layer.on{opacity:1;}
.hero-layer::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(109,93,252,.42),transparent 55%),linear-gradient(0deg,rgba(10,11,24,.96),rgba(10,11,24,.35) 60%);
}
.hero-layer .hl-in{position:relative;z-index:3;max-width:660px;}
.hero-bg{
  position:absolute;inset:0;z-index:1;
  background-size:cover;background-position:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.3rem .9rem;border-radius:999px;
  background:rgba(34,211,238,.15);
  border:1px solid rgba(34,211,238,.45);
  color:var(--accent);font-size:.8rem;font-weight:600;
  letter-spacing:.05em;margin-bottom:1rem;
}
.hero-title{
  font-size:clamp(1.9rem,4.6vw,3.3rem);
  font-weight:900;line-height:1.15;margin-bottom:.8rem;
  background:linear-gradient(100deg,#ffffff 25%,var(--accent) 70%,var(--brand) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-desc{color:#c8cdeb;font-size:1rem;max-width:560px;margin-bottom:1.4rem;}
.hero-meta{display:flex;flex-wrap:wrap;gap:1.6rem;margin-bottom:1.4rem;}
.hero-meta b{display:block;font-size:1.5rem;color:var(--accent);line-height:1.2;}
.hero-meta span{font-size:.78rem;color:var(--muted);letter-spacing:.06em;}

.btn-glow,.btn-ghost{
  border-radius:999px;font-weight:600;
  padding:.68rem 1.6rem;border:none;
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.94rem;position:relative;overflow:hidden;
  transition:.3s;
}
.btn-glow{
  color:#fff;
  background:linear-gradient(120deg,var(--brand),var(--accent),var(--brand));
  background-size:220% 100%;
}
.btn-glow:hover{
  background-position:100% 0;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(109,93,252,.5);
}
.btn-glow::after{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-18deg);transition:.6s;
}
.btn-glow:hover::after{left:130%;}
.btn-ghost{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18);
  color:var(--ink);
}
.btn-ghost:hover{background:rgba(34,211,238,.16);color:#fff;transform:translateY(-2px);}

.hero-dots{
  position:absolute;right:2rem;bottom:2rem;z-index:5;
  display:flex;gap:.5rem;
}
.hero-dots button{
  width:11px;height:11px;border-radius:50%;
  border:none;background:rgba(232,234,246,.28);
  transition:.3s;padding:0;
}
.hero-dots button.on{
  width:30px;border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
}
.float-orb{
  position:absolute;border-radius:50%;z-index:2;pointer-events:none;
  filter:blur(2px);opacity:.55;
}
.orb-1{width:70px;height:70px;background:radial-gradient(circle at 30% 30%,var(--accent),transparent 70%);top:12%;right:12%;animation:floaty 7s ease-in-out infinite;}
.orb-2{width:44px;height:44px;background:radial-gradient(circle at 40% 40%,var(--brand),transparent 70%);top:34%;right:26%;animation:floaty 9s ease-in-out infinite reverse;}
.orb-3{width:26px;height:26px;background:radial-gradient(circle,var(--accent),transparent 70%);top:18%;right:36%;animation:floaty 6s ease-in-out infinite;}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-22px)}}

/* 区块通用 */
.section{padding:4rem 0 1rem;}
.sec-label{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.78rem;font-weight:700;letter-spacing:.16em;
  color:var(--accent);text-transform:uppercase;margin-bottom:.6rem;
}
.sec-title{
  font-size:clamp(1.5rem,3vw,2.2rem);
  font-weight:900;margin-bottom:.5rem;
}
.sec-sub{color:var(--muted);font-size:.95rem;max-width:640px;margin-bottom:2rem;}

/* 分类入口 */
.cat-grid{
  display:grid;gap:1rem;
  grid-template-columns:repeat(2,1fr);
}
.cat-card{
  background:linear-gradient(150deg,var(--card),var(--card-2));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.4rem 1.3rem;
  display:flex;align-items:center;gap:1rem;
  transition:.3s;position:relative;overflow:hidden;
}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,transparent,rgba(109,93,252,.22),transparent);
  transform:translateX(-100%);transition:.55s;
}
.cat-card:hover::after{transform:translateX(100%);}
.cat-card:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.5);box-shadow:0 18px 40px rgba(0,0,0,.45);}
.cat-ico{
  width:48px;height:48px;border-radius:16px;flex:0 0 auto;
  display:grid;place-items:center;font-size:1.15rem;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--accent));
}
.cat-card h3{font-size:1.02rem;margin:0 0 .15rem;font-weight:700;}
.cat-card p{margin:0;font-size:.82rem;color:var(--muted);}
.cat-card .cnt{
  margin-left:auto;font-size:1.3rem;font-weight:900;
  color:var(--accent);flex:0 0 auto;
}

/* 海报墙 */
.poster-grid{
  display:grid;gap:1.1rem;width:100%;
  grid-template-columns:repeat(2,minmax(0,1fr));
}
.poster{
  position:relative;border-radius:var(--radius);
  overflow:hidden;background:var(--card);
  border:1px solid var(--line);
  aspect-ratio:2/3;
  transition:.35s;
}
.poster img{width:100%;height:100%;object-fit:cover;display:block;transition:.5s;}
.poster:hover{transform:translateY(-6px);box-shadow:0 22px 45px rgba(0,0,0,.6);border-color:rgba(34,211,238,.5);}
.poster:hover img{transform:scale(1.07);}
.poster-shade{
  position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(9,10,22,.95) 4%,rgba(9,10,22,.45) 38%,transparent 68%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:.8rem;z-index:2;
}
.poster-shade h4{
  font-size:.9rem;font-weight:700;margin:0 0 .2rem;color:#fff;
  line-height:1.35;
}
.poster-shade span{font-size:.74rem;color:var(--muted);}
.play-btn{
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%) scale(.6);
  width:54px;height:54px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  display:grid;place-items:center;color:#fff;font-size:1.05rem;
  opacity:0;transition:.35s;z-index:4;
  box-shadow:0 10px 28px rgba(109,93,252,.6);
}
.poster:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1);}
.poster-badge{
  position:absolute;top:.7rem;left:.7rem;z-index:3;
  background:rgba(15,16,32,.82);
  border:1px solid rgba(34,211,238,.4);
  color:var(--accent);
  font-size:.68rem;font-weight:700;padding:.18rem .6rem;border-radius:999px;
  backdrop-filter:blur(6px);
}
.poster-score{
  position:absolute;top:.7rem;right:.7rem;z-index:3;
  background:rgba(34,211,238,.16);
  border:1px solid rgba(34,211,238,.5);
  color:var(--accent);
  font-size:.72rem;font-weight:800;padding:.18rem .55rem;border-radius:999px;
}

/* 特色标签页 */
.tabs-bar{
  display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.8rem;
}
.tab-pill{
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--muted);border-radius:999px;
  padding:.5rem 1.25rem;font-size:.9rem;font-weight:600;
  cursor:pointer;transition:.3s;
}
.tab-pill:hover{color:#fff;border-color:rgba(34,211,238,.5);}
.tab-pill.on{
  color:#fff;border-color:transparent;
  background:linear-gradient(120deg,var(--brand),var(--accent));
  box-shadow:0 10px 26px rgba(109,93,252,.45);
}
.tab-pane{display:none;}
.tab-pane.on{display:block;animation:fadeUp .5s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

/* 排行榜 */
.rank-list{display:flex;flex-direction:column;gap:.7rem;}
.rank-row{
  display:flex;align-items:center;gap:1rem;
  background:linear-gradient(120deg,var(--card),rgba(30,33,64,.6));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:.75rem 1rem;transition:.3s;
}
.rank-row:hover{transform:translateX(6px);border-color:rgba(34,211,238,.5);}
.rank-num{
  font-size:1.25rem;font-weight:900;width:38px;flex:0 0 auto;text-align:center;
  background:linear-gradient(180deg,var(--accent),var(--brand));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.rank-thumb{
  width:46px;height:64px;border-radius:10px;overflow:hidden;flex:0 0 auto;
  background:var(--card-2);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.rank-info{flex:1 1 auto;min-width:0;}
.rank-info h4{font-size:.95rem;font-weight:700;margin:0 0 .15rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-info p{margin:0;font-size:.78rem;color:var(--muted);}
.rank-hot{
  font-size:.8rem;color:var(--accent);font-weight:700;flex:0 0 auto;
  display:flex;align-items:center;gap:.3rem;
}

/* 时间线 */
.timeline{position:relative;padding-left:2.2rem;}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--brand),var(--accent),transparent);
}
.tl-item{position:relative;margin-bottom:1.8rem;}
.tl-item::before{
  content:"";position:absolute;left:-2.2rem;top:.35rem;
  width:20px;height:20px;border-radius:50%;
  background:var(--bg);border:2px solid var(--accent);
  box-shadow:0 0 0 4px rgba(34,211,238,.12);
}
.tl-time{font-size:.78rem;color:var(--accent);font-weight:700;letter-spacing:.06em;}
.tl-item h4{font-size:1.02rem;font-weight:700;margin:.2rem 0 .3rem;}
.tl-item p{font-size:.88rem;color:var(--muted);margin:0;}

/* FAQ */
.faq-item{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.1rem 1.3rem;margin-bottom:.8rem;
}
.faq-item h4{font-size:1rem;font-weight:700;margin:0 0 .5rem;color:var(--ink);}
.faq-item p{margin:0;font-size:.9rem;color:var(--muted);}

/* 友链 */
.friend-box{
  background:linear-gradient(140deg,rgba(109,93,252,.12),rgba(34,211,238,.06));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:2rem 1.8rem;
}
.friend-box h3{font-size:1.15rem;font-weight:800;margin:0 0 .5rem;}
.friend-box .links{color:var(--muted);font-size:.9rem;line-height:2;word-break:break-word;}

/* 页脚 */
footer{
  margin-top:3rem;border-top:1px solid var(--line);
  background:rgba(10,11,24,.7);padding:3rem 0 1.6rem;
}
.foot-brand{
  font-size:1.28rem;font-weight:900;
  display:flex;align-items:center;gap:.5rem;margin-bottom:.8rem;
}
.foot-desc{color:var(--muted);font-size:.88rem;max-width:420px;}
.foot-title{font-size:.86rem;font-weight:700;color:var(--accent);letter-spacing:.1em;text-transform:uppercase;margin-bottom:.9rem;}
.foot-list{list-style:none;padding:0;margin:0;}
.foot-list li{margin-bottom:.5rem;}
.foot-list a{color:var(--muted);font-size:.9rem;transition:.25s;}
.foot-list a:hover{color:var(--accent);}
.foot-bottom{
  border-top:1px solid var(--line);margin-top:2.2rem;padding-top:1.3rem;
  color:var(--muted);font-size:.83rem;
  display:flex;flex-wrap:wrap;gap:.6rem;justify-content:space-between;
}

/* 响应式 */
@media (min-width:576px){
  .poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .cat-grid{grid-template-columns:repeat(3,1fr);}
}
@media (min-width:992px){
  .poster-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .cat-grid{grid-template-columns:repeat(6,1fr);}
  .hero{min-height:560px;}
}
@media (min-width:1400px){
  .poster-grid{grid-template-columns:repeat(6,minmax(0,1fr));}
}
@media (max-width:575px){
  .hero-layer{padding:1.5rem 1.2rem;}
  .hero-meta{gap:1rem;}
  .hero-meta b{font-size:1.2rem;}
  .cat-card .cnt{display:none;}
  .hero-dots{right:1rem;bottom:1rem;}
}

/* --- 子页面追加 --- */
.guide-hero {padding-top:60px}
.guide-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:26px}
.g-card {background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;height:100%}
.g-card .g-ico {width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-size:18px;margin-bottom:14px}
.g-card h3 {font-size:18px;font-weight:700;margin:0 0 10px;color:var(--ink)}
.g-card p {color:var(--muted);font-size:14.5px;line-height:1.8;margin:0}
.steps {display:flex;flex-direction:column;gap:18px;margin-top:26px}
.step {display:flex;gap:18px;background:var(--card-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.step-no {flex:0 0 42px;height:42px;border-radius:12px;background:rgba(109,93,252,.16);border:1px solid var(--line);color:var(--accent);font-weight:800;display:flex;align-items:center;justify-content:center}
.step h3 {font-size:17px;font-weight:700;margin:0 0 8px;color:var(--ink)}
.step p {color:var(--muted);font-size:14.5px;line-height:1.85;margin:0}
.faq-item h3 {font-size:16px;font-weight:700;color:var(--ink);margin:0 0 8px}
.tag-row {display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tag-pill {font-size:13px;color:var(--accent);border:1px solid var(--line);background:rgba(34,211,238,.08);border-radius:999px;padding:6px 14px}
.note {background:rgba(109,93,252,.10);border-left:3px solid var(--brand);border-radius:12px;padding:16px 20px;color:var(--muted);font-size:14.5px;line-height:1.85;margin-top:22px}

/* --- 子页面追加 --- */
/* 本页专属：极少量补充样式，复用站点变量与类名 */
  .about-hero {
    position: relative;
    padding: 150px 0 70px;
    overflow: hidden;
  }
.about-hero .hero-title { max-width: 900px; }
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
.about-grid { grid-template-columns: 1fr; }
.about-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 26px 24px;
    height: 100%;
    transition: .25s ease;
  }
.about-card:hover {
    background: var(--card-2);
    transform: translateY(-3px);
    border-color: rgba(109,93,252,.45);
  }
.about-card .ac-icon {
    width: 46px; height: 46px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--brand), var(--accent));
    color: #fff;
    font-size: 18px;
    margin-bottom: 16px;
  }
.about-card h3 {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 10px;
  }
.about-card p {
    color: var(--muted);
    font-size: .95rem;
    line-height: 1.85;
    margin: 0;
  }
.about-prose p {
    color: var(--muted);
    font-size: 1rem;
    line-height: 2;
    margin-bottom: 18px;
  }
.about-prose p strong { color: var(--ink); font-weight: 600; }
.about-prose a { color: var(--accent); text-decoration: none; }
.about-prose a:hover { text-decoration: underline; }
.about-list {
    list-style: none;
    padding: 0;
    margin: 0 0 6px;
  }
.about-list li {
    position: relative;
    padding-left: 26px;
    color: var(--muted);
    font-size: .95rem;
    line-height: 1.9;
    margin-bottom: 12px;
  }
.about-list li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0; top: 3px;
    font-size: 12px;
    color: var(--accent);
  }
.about-list li b { color: var(--ink); font-weight: 600; }
.about-panel {
    background: linear-gradient(160deg, var(--card-2), var(--card));
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 34px 32px;
  }
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 6px;
  }
.about-stats { grid-template-columns: 1fr; }
.about-stat {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px 20px;
    text-align: center;
  }
.about-stat .num {
    font-size: 1.9rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--brand), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.2;
  }
.about-stat .lbl {
    color: var(--muted);
    font-size: .88rem;
    margin-top: 8px;
  }
.about-timeline {
    border-left: 2px solid var(--line);
    padding-left: 24px;
    margin: 0;
    list-style: none;
  }
.about-timeline li {
    position: relative;
    padding-bottom: 26px;
  }
.about-timeline li:last-child { padding-bottom: 0; }
.about-timeline li::before {
    content: "";
    position: absolute;
    left: -31px; top: 6px;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(34,211,238,.15);
  }
.about-timeline .tl-t {
    color: var(--ink);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 6px;
  }
.about-timeline .tl-d {
    color: var(--muted);
    font-size: .92rem;
    line-height: 1.85;
    margin: 0;
  }
.about-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 22px;
  }

/* --- 子页面追加 --- */
.rank-hero { padding-top: 120px; padding-bottom: 40px; }
.rank-tabs { display:flex; flex-wrap:wrap; gap:10px; margin: 4px 0 28px; }
.rank-tab {
    font-size: 14px; font-weight: 600; color: var(--muted);
    padding: 9px 20px; border-radius: 999px;
    background: var(--card); border:1px solid var(--line);
    cursor:pointer; transition:.25s;
  }
.rank-tab:hover { color: var(--ink); border-color: var(--brand); }
.rank-tab.active { background: linear-gradient(135deg, var(--brand), var(--accent)); color:#0f1020; border-color: transparent; }
.rank-board { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:22px; }
.rank-board { grid-template-columns: 1fr; }
.rank-panel {
    background: var(--card); border:1px solid var(--line);
    border-radius: var(--radius-lg); padding: 24px 22px;
  }
.rank-panel-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; gap:12px; }
.rank-panel-head h3 { font-size:17px; font-weight:700; color: var(--ink); margin:0; display:flex; align-items:center; gap:9px; }
.rank-panel-head h3 i { color: var(--accent); }
.rank-panel-head .more { font-size:13px; color: var(--muted); }
.rank-no {
    flex:0 0 30px; height:30px; border-radius:9px;
    display:flex; align-items:center; justify-content:center;
    font-weight:800; font-size:14px; color: var(--muted);
    background: var(--card-2); font-variant-numeric: tabular-nums;
  }
.rank-row:nth-child(1) .rank-no { background: linear-gradient(135deg,#f7b955,#f5863a); color:#1a1205; }
.rank-row:nth-child(2) .rank-no { background: linear-gradient(135deg,#c6ccdd,#98a1b8); color:#181a22; }
.rank-row:nth-child(3) .rank-no { background: linear-gradient(135deg,#d79a6a,#b57748); color:#1c1108; }
.rank-info .name { font-size:15px; font-weight:600; color: var(--ink); display:block; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.rank-info .meta { font-size:12.5px; color: var(--muted); margin-top:3px; }
.rank-heat { flex:0 0 auto; display:flex; align-items:center; gap:6px; }
.rank-bar { width:64px; height:6px; border-radius:99px; background: var(--card-2); overflow:hidden; }
.rank-bar span { display:block; height:100%; border-radius:99px; background: linear-gradient(90deg, var(--brand), var(--accent)); }
.rank-heat em { font-style:normal; font-size:12px; color: var(--accent); font-weight:700; font-variant-numeric:tabular-nums; }
.rule-grid { display:grid; grid-template-columns: repeat(auto-fit,minmax(230px,1fr)); gap:18px; }
.rule-card {
    background: var(--card); border:1px solid var(--line);
    border-radius: var(--radius); padding:22px 20px;
  }
.rule-card .ric { width:42px; height:42px; border-radius:12px; display:flex; align-items:center; justify-content:center;
    background: rgba(109,93,252,.16); color: var(--accent); font-size:17px; margin-bottom:14px; }
.rule-card h4 { font-size:15.5px; font-weight:700; color: var(--ink); margin:0 0 8px; }
.rule-card p { font-size:13.5px; color: var(--muted); line-height:1.75; margin:0; }

/* --- 子页面追加 --- */
.doc-hero {padding:120px 0 40px;}
.doc-wrap {max-width:920px;margin:0 auto;}
.doc-card {
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:34px 32px;
    margin-bottom:22px;
  }
.doc-card h2 {
    font-size:1.32rem;
    font-weight:700;
    color:var(--ink);
    margin-bottom:16px;
    display:flex;
    align-items:center;
    gap:10px;
  }
.doc-card h2 i {
    color:var(--accent);
    font-size:1.05rem;
  }
.doc-card h3 {
    font-size:1.02rem;
    font-weight:600;
    color:var(--ink);
    margin:20px 0 10px;
  }
.doc-card p,.doc-card li {
    color:var(--muted);
    font-size:.95rem;
    line-height:1.9;
  }
.doc-card ul {padding-left:20px;margin:10px 0;}
.doc-card li {margin-bottom:6px;}
.doc-card a {color:var(--accent);text-decoration:none;}
.doc-card a:hover {text-decoration:underline;}
.doc-note {
    background:var(--card-2);
    border-left:3px solid var(--brand);
    border-radius:0 var(--radius) var(--radius) 0;
    padding:16px 20px;
    margin:18px 0;
    color:var(--muted);
    font-size:.92rem;
    line-height:1.85;
  }
.doc-toc {
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-bottom:26px;
  }
.doc-toc a {
    display:inline-block;
    padding:8px 16px;
    border-radius:999px;
    border:1px solid var(--line);
    background:var(--card-2);
    color:var(--muted);
    font-size:.84rem;
    text-decoration:none;
    transition:.25s;
  }
.doc-toc a:hover {
    color:var(--ink);
    border-color:var(--brand);
    background:rgba(109,93,252,.16);
  }