:root{
  --primary:#6d5dfc;
  --accent:#22d3ee;
  --bg:#0f1020;
  --ink:#e8eaf6;
  --muted:#9aa0c3;
  --line:rgba(232,234,246,.16);
  --panel:#161833;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.hand{
  font-family:'Inter','PingFang SC','Hiragino Sans GB',sans-serif;
  letter-spacing:-.02em;
}
a{text-decoration:none;color:inherit;}
a:hover{color:var(--accent);}
::selection{background:var(--primary);color:#fff;}

/* ---------- nav ---------- */
.top-nav{
  position:sticky;top:0;z-index:1030;
  background:rgba(15,16,32,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand-mark{
  font-weight:900;font-size:1.22rem;color:var(--ink);
  display:inline-flex;align-items:center;gap:.5rem;
  letter-spacing:.04em;
}
.brand-mark i{color:var(--accent);font-size:1rem;}
.brand-mark:hover{color:var(--ink);}
.nav-links{display:flex;gap:.15rem;flex-wrap:wrap;}
.nav-links a{
  font-size:.9rem;color:var(--muted);padding:.45rem .8rem;border-radius:999px;
  transition:color .18s,background .18s;white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);background:rgba(109,93,252,.18);}
.nav-links a.active{color:#fff;background:var(--primary);}
.menu-toggle{
  background:none;border:1px solid var(--line);color:var(--ink);
  border-radius:10px;padding:.32rem .6rem;font-size:1rem;
}
@media (max-width:991px){
  .nav-links{display:none;width:100%;padding:.6rem 0 .2rem;gap:.1rem;}
  .nav-links.open{display:flex;}
  .nav-links a{width:100%;border-radius:10px;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  border-bottom:1px solid var(--line);
  padding:clamp(2.6rem,7vw,5.2rem) 0 clamp(2rem,5vw,3.4rem);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(700px 320px at 12% 0%,rgba(109,93,252,.28),transparent 70%),
    radial-gradient(600px 300px at 88% 20%,rgba(34,211,238,.16),transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.hero-kicker{
  font-size:.76rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:1rem;
}
.type-title{
  font-size:clamp(2rem,5.4vw,4.1rem);
  font-weight:900;line-height:1.08;margin:0 0 1.1rem;
  min-height:1.2em;
}
.type-title .cursor{
  display:inline-block;width:3px;height:.95em;background:var(--accent);
  margin-left:.16em;vertical-align:-.08em;animation:blink 1s steps(1) infinite;
}
@keyframes blink{50%{opacity:0;}}
.hero-sub{
  color:var(--muted);font-size:clamp(.95rem,2vw,1.1rem);
  max-width:38rem;line-height:1.85;margin-bottom:1.8rem;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:2.2rem;margin-bottom:2rem;}
.hero-stats .num{
  font-size:clamp(1.7rem,4vw,2.6rem);font-weight:900;display:block;
  line-height:1;color:var(--ink);
}
.hero-stats .num em{color:var(--primary);font-style:normal;}
.hero-stats small{color:var(--muted);font-size:.8rem;letter-spacing:.12em;}

/* carousel */
.banner-shell{
  position:relative;border:1px solid var(--line);border-radius:18px;
  overflow:hidden;background:var(--panel);
}
.slide{display:none;}
.slide.on{display:block;animation:fadeIn .6s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.slide-body{
  display:flex;gap:1.4rem;padding:1.1rem;align-items:stretch;flex-wrap:wrap;
}
.slide-poster{
  width:132px;flex:0 0 132px;aspect-ratio:2/3;border-radius:12px;
  overflow:hidden;border:1px solid var(--line);
}
.slide-poster img{width:100%;height:100%;object-fit:cover;display:block;}
.slide-text{flex:1 1 240px;min-width:220px;display:flex;flex-direction:column;justify-content:center;}
.slide-tag{
  display:inline-block;font-size:.7rem;letter-spacing:.16em;
  color:var(--accent);border:1px solid rgba(34,211,238,.4);
  padding:.2rem .6rem;border-radius:999px;margin-bottom:.7rem;align-self:flex-start;
}
.slide-text h3{font-size:clamp(1.15rem,2.6vw,1.6rem);font-weight:800;margin:0 0 .5rem;}
.slide-text p{color:var(--muted);font-size:.9rem;line-height:1.75;margin:0 0 .9rem;}
.slide-meta{font-size:.78rem;color:var(--muted);margin-bottom:1rem;}
.slide-meta span+span::before{content:"·";margin:0 .55rem;color:var(--line);}
.btn-ghost{
  align-self:flex-start;border:1px solid var(--primary);color:var(--ink);
  background:transparent;border-radius:999px;padding:.42rem 1.15rem;
  font-size:.84rem;font-weight:600;transition:.2s;
}
.btn-ghost:hover{background:var(--primary);color:#fff;}
.dots{display:flex;gap:.45rem;justify-content:center;padding:.2rem 0 1rem;}
.dots button{
  width:26px;height:4px;border-radius:99px;border:none;background:rgba(232,234,246,.22);
  cursor:pointer;padding:0;transition:.25s;
}
.dots button.on{background:var(--accent);width:40px;}

/* ---------- section ---------- */
.section{padding:clamp(2.4rem,5.5vw,4.2rem) 0;border-bottom:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:2rem;flex-wrap:wrap;}
.sec-head h2{
  font-size:clamp(1.4rem,3.2vw,2.05rem);font-weight:900;margin:0;
}
.sec-head h2 span{color:var(--muted);font-weight:400;font-size:.52em;letter-spacing:.1em;margin-left:.5rem;}
.sec-head .line{flex:1;height:1px;background:var(--line);min-width:40px;}
.sec-head .more{font-size:.82rem;color:var(--muted);white-space:nowrap;}
.sec-head .more:hover{color:var(--accent);}

/* pills */
.pill-row{display:flex;flex-wrap:wrap;gap:.55rem;}
.pill{
  font-size:.84rem;color:var(--muted);border:1px solid var(--line);
  border-radius:999px;padding:.4rem 1rem;transition:.2s;display:inline-flex;align-items:center;gap:.4rem;
}
.pill:hover{border-color:var(--primary);color:var(--ink);background:rgba(109,93,252,.14);}
.pill strong{color:var(--ink);font-weight:600;}

/* category cards */
.cat-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;
}
@media(min-width:768px){.cat-grid{grid-template-columns:repeat(3,1fr);}}
@media(min-width:992px){.cat-grid{grid-template-columns:repeat(6,1fr);}}
.cat-card{
  border:1px solid var(--line);border-radius:14px;padding:1.15rem .95rem;
  background:transparent;transition:.22s;display:block;text-align:center;
}
.cat-card:hover{border-color:var(--primary);background:rgba(109,93,252,.1);transform:translateY(-3px);}
.cat-card i{font-size:1.25rem;color:var(--accent);display:block;margin-bottom:.6rem;}
.cat-card b{display:block;font-size:.95rem;font-weight:700;margin-bottom:.2rem;}
.cat-card small{color:var(--muted);font-size:.72rem;}

/* poster grid */
.poster-grid{
  display:grid;gap:1.05rem;
  grid-template-columns:repeat(2,minmax(0,1fr));
  width:100%;
}
@media(min-width:576px){.poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
@media(min-width:768px){.poster-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
@media(min-width:1200px){.poster-grid{grid-template-columns:repeat(6,minmax(0,1fr));}}

.poster{display:block;width:100%;}
.poster .frame{
  position:relative;width:100%;aspect-ratio:2/3;border-radius:12px;
  overflow:hidden;border:1px solid var(--line);background:var(--panel);
}
.poster .frame img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s ease;}
.poster:hover .frame img{transform:scale(1.05);}
.play-btn{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(15,16,32,.45);opacity:0;transition:opacity .25s;
}
.poster:hover .play-btn{opacity:1;}
.play-btn i{
  width:46px;height:46px;border-radius:50%;border:1px solid var(--accent);
  color:var(--accent);display:flex;align-items:center;justify-content:center;
  font-size:.95rem;background:rgba(15,16,32,.6);
}
.poster .cap{margin-top:.55rem;}
.poster .cap b{display:block;font-size:.86rem;font-weight:600;line-height:1.4;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.poster .cap small{color:var(--muted);font-size:.72rem;}

/* rank */
.rank-list{border-top:1px solid var(--line);}
.rank-item{
  display:flex;align-items:center;gap:1rem;padding:.9rem .2rem;
  border-bottom:1px solid var(--line);transition:.2s;
}
.rank-item:hover{background:rgba(109,93,252,.08);padding-left:.8rem;}
.rank-no{
  width:38px;flex:0 0 38px;text-align:center;font-weight:900;font-size:1.05rem;
  color:var(--muted);
}
.rank-no.g1{color:#f5c451;}
.rank-no.g2{color:#cfd6e6;}
.rank-no.g3{color:#d59058;}
.rank-thumb{
  width:44px;flex:0 0 44px;aspect-ratio:2/3;border-radius:7px;overflow:hidden;
  border:1px solid var(--line);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.rank-main{flex:1;min-width:0;}
.rank-main b{display:block;font-size:.93rem;font-weight:600;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rank-main small{color:var(--muted);font-size:.74rem;}
.rank-score{
  font-size:1.15rem;font-weight:900;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
@media(max-width:575px){.rank-score{font-size:1rem;}}

/* steps */
.steps{display:grid;gap:1rem;grid-template-columns:1fr;}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr);}}
.step{
  border:1px solid var(--line);border-radius:14px;padding:1.3rem 1.15rem;position:relative;
}
.step .idx{
  font-size:.7rem;letter-spacing:.2em;color:var(--accent);font-weight:700;
  display:block;margin-bottom:.7rem;
}
.step h4{font-size:1rem;font-weight:700;margin:0 0 .5rem;}
.step p{color:var(--muted);font-size:.86rem;line-height:1.8;margin:0;}

/* topic cards */
.topic-grid{display:grid;gap:1rem;grid-template-columns:1fr;}
@media(min-width:768px){.topic-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1200px){.topic-grid{grid-template-columns:repeat(3,1fr);}}
.topic{
  border:1px solid var(--line);border-radius:16px;padding:1.5rem 1.3rem;
  transition:.22s;display:block;
}
.topic:hover{border-color:var(--primary);background:rgba(109,93,252,.09);}
.topic .badge-soft{
  font-size:.68rem;letter-spacing:.16em;color:var(--primary);
  border:1px solid rgba(109,93,252,.5);border-radius:999px;padding:.18rem .6rem;
  display:inline-block;margin-bottom:.85rem;
}
.topic h4{font-size:1.08rem;font-weight:800;margin:0 0 .55rem;}
.topic p{color:var(--muted);font-size:.86rem;line-height:1.8;margin:0 0 .9rem;}
.topic .arrow{font-size:.8rem;color:var(--accent);}

/* faq */
.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);padding:.35rem 0;}
.faq summary{
  cursor:pointer;list-style:none;padding:1rem .2rem;font-weight:600;font-size:.95rem;
  display:flex;justify-content:space-between;gap:1rem;align-items:center;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--accent);font-size:1.15rem;line-height:1;}
.faq details[open] summary::after{content:"−";}
.faq p{color:var(--muted);font-size:.88rem;line-height:1.85;margin:0 0 1rem;padding:0 .2rem;}

/* friends + footer */
.friend-box{
  border:1px solid var(--line);border-radius:16px;padding:1.4rem 1.2rem;
  background:rgba(22,24,51,.5);
}
.friend-box h2{font-size:1.02rem;font-weight:800;margin:0 0 .9rem;}
.friend-links{font-size:.85rem;color:var(--muted);line-height:2;}
footer{padding:2.4rem 0 3rem;}
.foot-brand{font-weight:900;font-size:1.1rem;letter-spacing:.04em;display:inline-flex;align-items:center;gap:.5rem;}
.foot-brand i{color:var(--accent);}
.foot-note{color:var(--muted);font-size:.82rem;line-height:1.9;}
.foot-nav a{color:var(--muted);font-size:.85rem;margin-right:1.1rem;display:inline-block;}
.foot-nav a:hover{color:var(--accent);}

/* back to top */
#toTop{
  position:fixed;right:18px;bottom:22px;z-index:1040;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--primary);background:rgba(109,93,252,.16);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:.3s;backdrop-filter:blur(6px);
}
#toTop.show{opacity:1;pointer-events:auto;transform:none;}
#toTop:hover{background:var(--primary);}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .type-title .cursor{animation:none;}
  html{scroll-behavior:auto;}
}

/* --- 子页面追加 --- */
/* 本页专属少量样式，仅补充样式表未覆盖的部分 */
  .about-lead {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--muted);
  }
.about-lead strong { color: var(--ink); font-weight: 600; }
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin-top: 28px;
  }
.value-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 24px 22px;
    transition: transform .25s ease, border-color .25s ease;
  }
.value-card:hover { transform: translateY(-4px); border-color: rgba(109,93,252,.55); }
.value-card .v-icon {
    width: 44px; height: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(109,93,252,.16); color: var(--accent);
    font-size: 1.1rem; margin-bottom: 14px;
  }
.value-card h3 {
    font-size: 1.08rem; color: var(--ink); margin-bottom: 10px; font-weight: 700;
  }
.value-card p { color: var(--muted); font-size: .94rem; line-height: 1.75; margin: 0; }
.timeline {
    margin-top: 30px;
    border-left: 2px solid var(--line);
    padding-left: 26px;
    display: flex; flex-direction: column; gap: 26px;
  }
.timeline-item { position: relative; }
.timeline-item::before {
    content: ""; position: absolute; left: -33px; top: 6px;
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--accent); box-shadow: 0 0 0 4px rgba(34,211,238,.16);
  }
.timeline-item h3 { font-size: 1.02rem; color: var(--ink); margin-bottom: 8px; font-weight: 600; }
.timeline-item p { color: var(--muted); font-size: .94rem; line-height: 1.75; margin: 0; }
.about-cta {
    margin-top: 46px;
    background: linear-gradient(120deg, rgba(109,93,252,.18), rgba(34,211,238,.10));
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 34px 30px;
    display: flex; flex-wrap: wrap; gap: 22px;
    align-items: center; justify-content: space-between;
  }
.about-cta h2 { font-size: 1.25rem; color: var(--ink); margin: 0 0 8px; font-weight: 700; }
.about-cta p { color: var(--muted); margin: 0; font-size: .95rem; line-height: 1.7; max-width: 560px; }
.about-cta .cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.about-cta { padding: 26px 20px; }
.timeline { padding-left: 20px; }

/* --- 子页面追加 --- */
/* 本页少量专属样式，复用站点变量与类名 */
  .guide-hero { padding-top: 96px; }
.guide-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 26px 24px;
    height: 100%;
  }
.guide-card h3 {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--ink);
  }
.guide-card p, .guide-card li {
    color: var(--muted);
    font-size: .95rem;
    line-height: 1.85;
  }
.guide-card ul { padding-left: 1.1rem; margin-bottom: 0; }
.guide-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 22px 22px;
    height: 100%;
  }
.step-num {
    flex: 0 0 auto;
    width: 40px; height: 40px;
    border-radius: 12px;
    display: grid; place-items: center;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--accent));
  }
.step-body h3 { font-size: 1.02rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.step-body p { color: var(--muted); font-size: .93rem; line-height: 1.8; margin: 0; }
.faq-item {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px 22px;
    margin-bottom: 14px;
  }
.faq-item h3 { font-size: 1rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.faq-item p { color: var(--muted); font-size: .94rem; line-height: 1.85; margin: 0; }
.tip-strip {
    background: rgba(109,93,252,.10);
    border: 1px solid var(--line);
    border-left: 4px solid var(--accent);
    border-radius: 12px;
    padding: 18px 22px;
    color: var(--ink);
    font-size: .95rem;
    line-height: 1.85;
  }
.tip-strip strong { color: var(--accent); }
.guide-hero { padding-top: 80px; }
.guide-card, .guide-step, .faq-item { padding: 18px 16px; }

/* --- 子页面追加 --- */
.dis-wrap {max-width:1080px;margin:0 auto;}
.dis-lead {
    background:linear-gradient(135deg,rgba(109,93,252,.16),rgba(34,211,238,.08));
    border:1px solid var(--line);
    border-radius:18px;
    padding:26px 28px;
    color:var(--ink);
    line-height:1.9;
    font-size:15px;
  }
.dis-lead strong {color:var(--accent);font-weight:600;}
.dis-block {
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:18px;
    padding:26px 28px;
    margin-top:22px;
    transition:border-color .25s ease, transform .25s ease;
  }
.dis-block:hover {border-color:rgba(109,93,252,.55);transform:translateY(-2px);}
.dis-block h2 {
    font-size:20px;
    font-weight:700;
    color:var(--ink);
    margin:0 0 14px;
    display:flex;
    align-items:center;
    gap:10px;
    line-height:1.5;
  }
.dis-block h2 i {color:var(--primary);font-size:17px;}
.dis-block p {color:var(--muted);line-height:1.95;font-size:14.5px;margin:0 0 12px;}
.dis-block p:last-child {margin-bottom:0;}
.dis-block ul {margin:0;padding-left:20px;}
.dis-block li {color:var(--muted);line-height:1.95;font-size:14.5px;margin-bottom:8px;}
.dis-block li:last-child {margin-bottom:0;}
.dis-block li strong {color:var(--ink);font-weight:600;}
.dis-note {
    border-left:3px solid var(--accent);
    padding:12px 16px;
    background:rgba(34,211,238,.06);
    border-radius:0 10px 10px 0;
    color:var(--muted);
    font-size:14px;
    line-height:1.9;
    margin-top:14px;
  }
.dis-note strong {color:var(--accent);}
.dis-tags {display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.dis-tag {
    font-size:12.5px;
    color:var(--accent);
    border:1px solid rgba(34,211,238,.35);
    background:rgba(34,211,238,.08);
    padding:5px 12px;
    border-radius:999px;
  }
.dis-block,.dis-lead {padding:20px 18px;border-radius:14px;}
.dis-block h2 {font-size:17.5px;}

/* --- 子页面追加 --- */
.sitemap-wrap {padding:56px 0 80px;}
.sitemap-grid {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.sm-card {background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px 26px 22px;transition:transform .25s ease,border-color .25s ease;}
.sm-card:hover {transform:translateY(-3px);border-color:rgba(109,93,252,.6);}
.sm-card h3 {margin:0 0 6px;font-size:1.12rem;font-weight:700;letter-spacing:.3px;display:flex;align-items:center;gap:10px;color:var(--ink);}
.sm-card h3 i {color:var(--accent);font-size:.95rem;}
.sm-desc {color:var(--muted);font-size:.86rem;line-height:1.6;margin:0 0 16px;}
.sm-list {list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;}
.sm-list li a {display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:10px;color:var(--ink);text-decoration:none;font-size:.92rem;border:1px solid transparent;transition:all .2s ease;}
.sm-list li a:hover {background:rgba(109,93,252,.14);border-color:rgba(109,93,252,.4);color:#fff;}
.sm-list li a .path {margin-left:auto;font-size:.74rem;color:var(--muted);font-family:'Inter',monospace;letter-spacing:.2px;}
.sm-list li a:hover .path {color:var(--accent);}
.sm-list li a i.dot {width:6px;height:6px;border-radius:50%;background:var(--primary);flex:none;}
.sm-card.wide {grid-column:1 / -1;}
.sm-note {margin-top:34px;background:linear-gradient(135deg,rgba(109,93,252,.16),rgba(34,211,238,.1));border:1px solid var(--line);border-radius:18px;padding:26px 28px;}
.sm-note h3 {margin:0 0 10px;font-size:1.08rem;color:var(--ink);}
.sm-note p {margin:0;color:var(--muted);font-size:.9rem;line-height:1.85;}
.sm-note a {color:var(--accent);text-decoration:none;}
.sm-note a:hover {text-decoration:underline;}
.sitemap-grid {grid-template-columns:1fr;}
.sitemap-wrap {padding:36px 0 56px;}
.sm-card {padding:22px 18px 18px;}
.sm-list li a .path {display:none;}