:root{
  --main:#eab308;
  --accent:#f59e0b;
  --bg:#18181b;
  --text:#fafafa;
  --bg-soft:#212124;
  --bg-deep:#111113;
  --border:#3f3f46;
  --muted:#a1a1aa;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-weight:900;
  letter-spacing:-0.5px;
  line-height:1.2;
}
a{color:var(--main);text-decoration:none;transition:color .2s;}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}

/* ===== 导航 ===== */
.site-nav{
  background:rgba(17,17,19,.92);
  backdrop-filter:blur(10px);
  border-bottom:3px solid var(--main);
  position:sticky;top:0;z-index:1000;
}
.nav-inner{
  max-width:1120px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;
  min-height:70px;
}
.brand-link{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-weight:900;font-size:1.5rem;color:var(--text);
  letter-spacing:.5px;display:flex;align-items:center;gap:10px;
}
.brand-link i{color:var(--main);font-size:1.2rem;}
.brand-link:hover{color:var(--text);}
.nav-menu{display:flex;gap:6px;list-style:none;margin:0;padding:0;}
.nav-menu a{
  display:block;padding:8px 16px;color:var(--text);
  font-weight:600;font-size:.94rem;border:2px solid transparent;
}
.nav-menu a:hover{
  background:var(--main);color:#18181b;border-color:var(--main);
}
.nav-toggle{
  display:none;background:none;border:2px solid var(--main);
  color:var(--main);font-size:1.3rem;padding:4px 12px;cursor:pointer;
}
@media(max-width:860px){
  .nav-toggle{display:block;}
  .nav-menu{
    display:none;flex-direction:column;width:100%;
    padding:12px 0 18px;gap:4px;
  }
  .nav-menu.open{display:flex;}
  .nav-inner{flex-wrap:wrap;}
  .nav-menu a{border:2px solid var(--border);}
}

/* ===== 通用容器 ===== */
.wrap{max-width:960px;margin:0 auto;padding:0 20px;}
.sec{padding:96px 0;position:relative;}
.sec-head{margin-bottom:48px;}
.sec-kicker{
  display:inline-block;font-size:.8rem;font-weight:800;
  letter-spacing:3px;text-transform:uppercase;
  color:var(--main);border-left:4px solid var(--main);
  padding-left:10px;margin-bottom:14px;
}
.sec-title{font-size:clamp(1.7rem,4vw,2.6rem);margin:0 0 12px;}
.sec-desc{color:var(--muted);max-width:640px;margin:0;font-size:1rem;}

/* ===== Hero ===== */
.hero{
  background:
    linear-gradient(160deg,rgba(234,179,8,.08) 0%,rgba(24,24,27,0) 55%),
    var(--bg-deep);
  padding:90px 0 110px;
  position:relative;
  border-bottom:3px solid var(--border);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:64px;
  background:var(--bg);
  clip-path:polygon(0 100%,100% 0,100% 100%);
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
}
@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
}
.hero-kicker{
  font-size:.82rem;font-weight:800;letter-spacing:3px;
  color:var(--main);text-transform:uppercase;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(2rem,5.2vw,3.4rem);margin:0 0 22px;
}
.hero h1 em{
  font-style:normal;color:var(--main);
  box-shadow:inset 0 -14px 0 rgba(234,179,8,.18);
}
.hero-lead{color:var(--muted);font-size:1.05rem;max-width:520px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.stat-card{
  background:var(--bg-soft);border:3px solid var(--border);
  box-shadow:8px 8px 0 0 rgba(234,179,8,.35);
  padding:16px 22px;min-width:132px;
}
.stat-card b{
  display:block;font-family:"Noto Serif SC","Songti SC",serif;
  font-size:2rem;line-height:1;color:var(--main);font-weight:900;
}
.stat-card span{font-size:.8rem;color:var(--muted);letter-spacing:1px;}
.hero-visual{
  position:relative;
}
.hero-visual .frame{
  border:3px solid var(--main);
  box-shadow:14px 14px 0 0 rgba(63,63,70,.9);
  background:var(--bg-soft);
  overflow:hidden;position:relative;
}
.hero-visual .frame img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;}
.hero-visual .frame::after{
  content:"\f04b";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:2rem;color:#18181b;
  background:rgba(234,179,8,.85);
  opacity:0;transition:opacity .3s;
}
.hero-visual .frame:hover::after{opacity:1;}

/* ===== 特色 (标签页) ===== */
.tabs-nav{
  display:flex;flex-wrap:wrap;gap:0;border-bottom:3px solid var(--border);
  margin-bottom:36px;
}
.tab-btn{
  background:none;border:3px solid var(--border);border-bottom:none;
  color:var(--muted);font-weight:700;padding:12px 20px;cursor:pointer;
  font-size:.95rem;margin-right:-3px;margin-bottom:-3px;
  transition:all .2s;
}
.tab-btn:hover{color:var(--text);}
.tab-btn.active{
  background:var(--main);color:#18181b;border-color:var(--main);
  box-shadow:4px -4px 0 0 rgba(245,158,11,.4);
}
.tab-panel{display:none;}
.tab-panel.active{display:block;animation:fadeUp .45s ease both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
.panel-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
  background:var(--bg-soft);border:3px solid var(--border);
  box-shadow:10px 10px 0 0 rgba(24,24,27,.9);
  padding:32px;
}
@media(max-width:800px){.panel-inner{grid-template-columns:1fr;padding:22px;}}
.panel-inner h3{font-size:1.4rem;margin:0 0 14px;color:var(--main);}
.panel-inner p{color:var(--muted);margin:0 0 18px;font-size:.96rem;}
.panel-list{list-style:none;padding:0;margin:0;}
.panel-list li{
  padding:8px 0 8px 26px;position:relative;color:var(--text);
  font-size:.92rem;border-bottom:1px dashed var(--border);
}
.panel-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;color:var(--main);font-size:.8rem;
}
.poster{
  position:relative;border:3px solid var(--border);
  box-shadow:10px 10px 0 0 rgba(234,179,8,.3);
  overflow:hidden;
}
.poster img{aspect-ratio:3/2;object-fit:cover;width:100%;transition:transform .5s;}
.poster:hover img{transform:scale(1.06);}
.play-btn{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .3s;
  background:linear-gradient(180deg,rgba(24,24,27,0),rgba(24,24,27,.6));
}
.play-btn i{
  width:62px;height:62px;display:flex;align-items:center;justify-content:center;
  background:var(--main);color:#18181b;font-size:1.3rem;
  border:3px solid #18181b;
}
.poster:hover .play-btn{opacity:1;}

/* ===== FAQ ===== */
.faq-sec{background:var(--bg-deep);}
.faq-item{
  border:3px solid var(--border);background:var(--bg-soft);
  margin-bottom:14px;box-shadow:6px 6px 0 0 rgba(234,179,8,.16);
}
.faq-q{
  width:100%;text-align:left;background:none;border:none;color:var(--text);
  padding:20px 22px;font-weight:700;font-size:1rem;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  font-family:inherit;
}
.faq-q i{color:var(--main);transition:transform .3s;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.faq-item.open .faq-a{max-height:400px;}
.faq-a p{margin:0;padding:0 22px 22px;color:var(--muted);font-size:.95rem;}

/* ===== 介绍 (时间线) ===== */
.timeline{position:relative;padding-left:38px;}
.timeline::before{
  content:"";position:absolute;left:10px;top:6px;bottom:6px;width:3px;
  background:linear-gradient(180deg,var(--main),var(--accent),var(--border));
}
.tl-item{position:relative;margin-bottom:38px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:8px;width:15px;height:15px;
  background:var(--bg);border:3px solid var(--main);
}
.tl-year{
  font-family:"Noto Serif SC","Songti SC",serif;font-weight:900;
  font-size:1.35rem;color:var(--main);margin-bottom:6px;
}
.tl-item h4{margin:0 0 8px;font-size:1.05rem;color:var(--text);}
.tl-item p{margin:0;color:var(--muted);font-size:.95rem;}

/* ===== CTA ===== */
.cta-sec{
  background:linear-gradient(135deg,rgba(234,179,8,.14),rgba(24,24,27,0) 60%);
  border-top:3px solid var(--border);border-bottom:3px solid var(--border);
  position:relative;
}
.cta-box{
  border:3px solid var(--main);background:var(--bg-soft);
  box-shadow:14px 14px 0 0 rgba(234,179,8,.28);
  padding:52px 36px;text-align:center;
}
.cta-box h2{font-size:clamp(1.6rem,4vw,2.4rem);margin:0 0 16px;}
.cta-box p{color:var(--muted);max-width:560px;margin:0 auto 30px;}
.btn-hard{
  display:inline-block;background:var(--main);color:#18181b;
  border:3px solid var(--main);padding:13px 34px;font-weight:800;
  font-size:1rem;box-shadow:6px 6px 0 0 rgba(63,63,70,.9);
  transition:all .18s;
}
.btn-hard:hover{
  background:var(--accent);border-color:var(--accent);color:#18181b;
  transform:translate(3px,3px);box-shadow:3px 3px 0 0 rgba(63,63,70,.9);
}
.btn-ghost{
  display:inline-block;background:transparent;color:var(--text);
  border:3px solid var(--border);padding:13px 30px;font-weight:800;
  margin-left:10px;transition:all .18s;
}
.btn-ghost:hover{border-color:var(--main);color:var(--main);}
@media(max-width:520px){.btn-ghost{margin:14px 0 0;}}

/* ===== 滚动渐显 ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.reveal.show{opacity:1;transform:none;}

/* ===== 友链 & 页脚 ===== */
.friend-links{
  border-top:3px solid var(--border);padding:44px 0;
}
.friend-links h3{
  font-size:1rem;letter-spacing:2px;color:var(--main);
  margin:0 0 16px;font-weight:900;
}
.friend-links .fl-row{
  border:3px solid var(--border);background:var(--bg-soft);
  padding:18px 20px;color:var(--muted);font-size:.92rem;
  box-shadow:6px 6px 0 0 rgba(63,63,70,.55);
}
.site-footer{
  background:var(--bg-deep);border-top:3px solid var(--main);
  padding:48px 0 34px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;
}
@media(max-width:780px){.footer-grid{grid-template-columns:1fr;gap:26px;}}
.site-footer h4{font-size:1rem;margin:0 0 14px;color:var(--text);letter-spacing:1px;}
.site-footer p{color:var(--muted);font-size:.9rem;margin:0 0 10px;}
.footer-list{list-style:none;padding:0;margin:0;}
.footer-list li{margin-bottom:8px;}
.footer-list a{color:var(--muted);font-size:.9rem;}
.footer-list a:hover{color:var(--main);}
.footer-bottom{
  border-top:2px solid var(--border);margin-top:36px;padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--muted);font-size:.85rem;
}

/* ===== 回到顶部 ===== */
#toTop{
  position:fixed;right:22px;bottom:26px;z-index:1200;
  width:50px;height:50px;background:var(--main);color:#18181b;
  border:3px solid #18181b;box-shadow:5px 5px 0 0 rgba(63,63,70,.9);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(16px);
  transition:all .3s;
}
#toTop.show{opacity:1;visibility:visible;transform:none;}
#toTop:hover{background:var(--accent);}

/* --- 子页面追加 --- */
.guide-hero {padding:56px 0 28px;}
.guide-hero h1 {font-size:clamp(1.7rem,4vw,2.7rem);font-weight:800;line-height:1.25;letter-spacing:-.5px;margin:14px 0 16px;}
.guide-hero h1 em {font-style:normal;color:var(--main);}
.guide-hero p {color:var(--muted);max-width:760px;line-height:1.9;font-size:1.02rem;}
.guide-toc {display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.guide-toc a {display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--bg-soft);color:var(--text);padding:9px 16px;border-radius:999px;font-size:.86rem;text-decoration:none;transition:.2s;}
.guide-toc a:hover {border-color:var(--main);color:var(--main);transform:translateY(-2px);}
.step-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:8px;}
.step-card {background:var(--bg-soft);border:1px solid var(--border);border-radius:16px;padding:24px 22px;position:relative;transition:.25s;}
.step-card:hover {border-color:var(--main);transform:translateY(-3px);}
.step-num {font-size:.78rem;font-weight:800;color:var(--bg-deep);background:var(--main);width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.step-card h3 {font-size:1.06rem;font-weight:700;margin-bottom:10px;color:var(--text);}
.step-card p {color:var(--muted);font-size:.92rem;line-height:1.85;margin:0;}
.faq-list {display:flex;flex-direction:column;gap:14px;margin-top:8px;}
.faq-a div {padding:0 20px 18px;}
.tip-row {display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:8px;}
.tip-card {border-left:3px solid var(--main);background:var(--bg-deep);border-radius:0 12px 12px 0;padding:18px 20px;}
.tip-card h4 {font-size:.98rem;font-weight:700;color:var(--text);margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.tip-card h4 i {color:var(--accent);font-size:.9rem;}
.tip-card p {margin:0;color:var(--muted);font-size:.89rem;line-height:1.85;}
.guide-table {width:100%;border-collapse:collapse;margin-top:8px;font-size:.92rem;}
.guide-table th,.guide-table td {padding:13px 16px;text-align:left;border-bottom:1px solid var(--border);}
.guide-table th {background:var(--bg-deep);color:var(--main);font-weight:700;font-size:.85rem;letter-spacing:.3px;}
.guide-table td {color:var(--muted);}
.guide-table tr:hover td {background:var(--bg-soft);color:var(--text);}
.guide-table td:first-child {color:var(--text);font-weight:600;}
.cta-box h3 {font-size:1.25rem;font-weight:800;margin-bottom:10px;color:var(--text);}
.btn-main {display:inline-flex;align-items:center;gap:10px;background:var(--main);color:var(--bg-deep);font-weight:700;padding:12px 26px;border-radius:999px;text-decoration:none;transition:.2s;}
.btn-main:hover {background:var(--accent);color:var(--bg-deep);transform:translateY(-2px);}
.guide-hero {padding:36px 0 20px;}
.step-card,.cta-box {padding:20px 18px;}
.guide-table th,.guide-table td {padding:11px 10px;font-size:.85rem;}

/* --- 子页面追加 --- */
.about-hero { padding: 96px 0 56px; }
.about-hero h1 { font-size: clamp(1.9rem, 4.6vw, 3.2rem); line-height: 1.18; font-weight: 800; margin: 14px 0 18px; }
.about-hero h1 em { color: var(--main); font-style: normal; }
.about-hero p { color: var(--muted); max-width: 720px; font-size: 1.02rem; line-height: 1.9; }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.about-card {
    background: var(--bg-soft); border: 1px solid var(--border); border-radius: 16px;
    padding: 26px 24px; height: 100%;
  }
.about-card .ico {
    width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
    background: rgba(234,179,8,.12); color: var(--main); font-size: 1.15rem; margin-bottom: 16px;
  }
.about-card h3 { font-size: 1.1rem; font-weight: 700; margin: 0 0 10px; color: var(--text); }
.about-card p { color: var(--muted); font-size: .93rem; line-height: 1.85; margin: 0; }
.story-list { list-style: none; padding: 0; margin: 0; position: relative; }
.story-list::before {
    content: ""; position: absolute; left: 11px; top: 6px; bottom: 6px; width: 2px;
    background: linear-gradient(to bottom, var(--main), transparent);
  }
.story-item { position: relative; padding: 0 0 30px 42px; }
.story-item::before {
    content: ""; position: absolute; left: 4px; top: 6px; width: 16px; height: 16px; border-radius: 50%;
    background: var(--bg); border: 2px solid var(--main);
  }
.story-item:last-child { padding-bottom: 0; }
.story-item .yr { color: var(--main); font-weight: 700; font-size: .9rem; letter-spacing: .06em; }
.story-item h3 { font-size: 1.03rem; font-weight: 700; margin: 6px 0 8px; color: var(--text); }
.story-item p { color: var(--muted); font-size: .92rem; line-height: 1.85; margin: 0; }
.faq-item h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin: 0 0 9px; }
.faq-item p { color: var(--muted); font-size: .92rem; line-height: 1.85; margin: 0; }
.join-box {
    background: var(--bg-deep); border: 1px solid var(--border); border-radius: 18px;
    padding: 40px 34px; text-align: center;
  }
.join-box h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 800; margin: 0 0 14px; }
.join-box p { color: var(--muted); max-width: 640px; margin: 0 auto 24px; line-height: 1.9; }
.join-links { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.join-links a {
    display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; border-radius: 10px;
    font-weight: 600; font-size: .94rem; text-decoration: none;
    background: var(--main); color: #1a1a1a; transition: .2s;
  }
.join-links a.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.join-links a:hover { background: var(--accent); color: #1a1a1a; }
.join-links a.ghost:hover { border-color: var(--main); color: var(--main); background: transparent; }
.about-grid { grid-template-columns: 1fr 1fr; }
.about-hero { padding: 70px 0 36px; }
.about-grid { grid-template-columns: 1fr; }
.join-box { padding: 30px 20px; }

/* --- 子页面追加 --- */
.disclaimer-hero {padding:56px 0 30px;}
.disclaimer-hero .hero-kicker {display:inline-block;margin-bottom:14px;}
.disclaimer-hero h1 {font-size:clamp(1.7rem,4vw,2.6rem);font-weight:800;line-height:1.25;margin-bottom:16px;}
.disclaimer-hero h1 span {color:var(--main);}
.disclaimer-hero p {color:var(--muted);max-width:760px;line-height:1.85;}
.legal-meta {display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;color:var(--muted);font-size:.9rem;}
.legal-meta i {color:var(--main);margin-right:6px;}
.legal-layout {display:grid;grid-template-columns:240px 1fr;gap:34px;align-items:start;}
.legal-toc {position:sticky;top:88px;background:var(--bg-soft);border:1px solid var(--border);border-radius:14px;padding:18px 16px;}
.legal-toc h3 {font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;}
.legal-toc a {display:block;padding:8px 10px;border-radius:8px;color:var(--text);font-size:.92rem;text-decoration:none;transition:.2s;}
.legal-toc a:hover {background:var(--bg-deep);color:var(--main);}
.legal-block {background:var(--bg-soft);border:1px solid var(--border);border-radius:16px;padding:26px 26px 22px;margin-bottom:22px;scroll-margin-top:90px;}
.legal-block h2 {font-size:1.18rem;font-weight:700;margin-bottom:14px;display:flex;align-items:flex-start;gap:10px;line-height:1.45;}
.legal-block h2 i {color:var(--main);margin-top:5px;font-size:.95rem;}
.legal-block p {color:var(--muted);line-height:1.9;margin-bottom:12px;}
.legal-block p:last-child {margin-bottom:0;}
.legal-block ul {color:var(--muted);line-height:1.9;padding-left:0;list-style:none;margin:0 0 12px;}
.legal-block ul li {position:relative;padding-left:20px;margin-bottom:8px;}
.legal-block ul li::before {content:"\f0da";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--accent);position:absolute;left:0;top:1px;font-size:.8rem;}
.legal-block strong {color:var(--text);font-weight:600;}
.legal-note {background:var(--bg-deep);border-left:3px solid var(--main);border-radius:0 10px 10px 0;padding:14px 16px;color:var(--muted);font-size:.92rem;line-height:1.8;}
.legal-cta {background:var(--bg-soft);border:1px solid var(--border);border-radius:16px;padding:26px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;}
.legal-cta h3 {font-size:1.1rem;margin-bottom:6px;font-weight:700;}
.legal-cta p {color:var(--muted);margin:0;font-size:.94rem;}
.legal-layout {grid-template-columns:1fr;}
.legal-toc {position:static;}