:root{
  --primary:#2563eb;
  --accent:#06b6d4;
  --bg:#f4f8ff;
  --ink:#0f1e3d;
  --line:#dbe6fb;
  --muted:#5b6b8c;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter','PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.brand-font{
  font-family:'Trebuchet MS','PingFang SC','Microsoft YaHei',sans-serif;
  letter-spacing:.4px;
}
a{text-decoration:none;color:inherit;}
.container-99{max-width:1200px;margin:0 auto;padding:0 18px;}

/* 导航 */
.site-nav{
  position:sticky;top:0;z-index:1020;
  background:rgba(244,248,255,.72);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,border-color .3s ease;
}
.site-nav.solid{background:rgba(255,255,255,.96);box-shadow:none;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;}
.nav-brand{
  font-weight:800;font-size:1.32rem;color:var(--primary);
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
}
.nav-brand i{color:var(--accent);}
.nav-links{display:flex;flex-wrap:wrap;gap:4px;align-items:center;}
.nav-links a{
  padding:7px 13px;border-radius:999px;font-size:.93rem;color:var(--muted);
  border:1px solid transparent;transition:.22s;
}
.nav-links a:hover{color:var(--primary);border-color:var(--line);background:#fff;}
.nav-toggle{
  display:none;background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:6px 12px;color:var(--primary);font-size:1rem;
}

/* Hero */
.hero{padding:54px 0 20px;border-bottom:1px solid var(--line);}
.hero-kicker{
  display:inline-block;font-size:.82rem;letter-spacing:2px;color:var(--accent);
  font-weight:700;text-transform:uppercase;margin-bottom:12px;
}
.hero h1{
  font-size:2.05rem;font-weight:800;line-height:1.5;margin:0 0 14px;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero p{color:var(--muted);max-width:760px;margin-bottom:22px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px;}
.tag-cloud a{
  border:1px solid var(--line);border-radius:999px;padding:6px 15px;font-size:.87rem;
  color:var(--muted);background:#fff;transition:.22s;
}
.tag-cloud a:hover{color:#fff;background:var(--primary);border-color:var(--primary);}
.hero-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.strip-card{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;
  transition:transform .25s,border-color .25s;
}
.strip-card:hover{transform:scale(1.02);border-color:var(--accent);}
.strip-card img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;}
.strip-card span{display:block;padding:8px 10px;font-size:.85rem;color:var(--muted);}

/* 分区通用 */
.section{padding:48px 0;border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap;}
.section-head h2{font-size:1.4rem;font-weight:800;margin:0;}
.section-head h2 i{color:var(--accent);margin-right:8px;}
.section-head p{margin:4px 0 0;color:var(--muted);font-size:.9rem;}
.pill-link{border:1px solid var(--line);border-radius:999px;padding:6px 16px;font-size:.85rem;color:var(--muted);}
.pill-link:hover{border-color:var(--primary);color:var(--primary);}

/* 海报网格 */
.poster-grid{
  display:grid;width:100%;gap:18px;
  grid-template-columns:repeat(6,1fr);
}
.poster-card{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;
  transition:transform .25s ease,border-color .25s ease;
  display:block;width:100%;
}
.poster-card:hover{transform:scale(1.03);border-color:var(--primary);}
.poster-card .thumb{
  width:100%;aspect-ratio:2/3;overflow:hidden;background:linear-gradient(140deg,#e6efff,#f4f8ff);
  position:relative;
}
.poster-card .thumb img{
  width:100%;height:100%;object-fit:cover;display:block;
  opacity:0;transition:opacity .5s ease;
}
.poster-card .thumb img.loaded{opacity:1;}
.poster-card .meta{padding:9px 11px 12px;}
.poster-card .meta strong{display:block;font-size:.88rem;font-weight:600;line-height:1.5;}
.poster-card .meta small{color:var(--muted);font-size:.76rem;}

/* 排行榜 */
.rank-form h3{font-size:1.15rem;font-weight:700;margin:0 0 10px;}
.rank-list{list-style:none;padding:0;margin:0;}
.rank-list li{
  display:flex;align-items:center;gap:12px;padding:11px 4px;border-bottom:1px dashed var(--line);
}
.rank-list li:last-child{border-bottom:none;}
.medal{
  width:28px;height:28px;flex:0 0 28px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:.8rem;font-weight:700;border:1px solid var(--line);color:var(--muted);background:#fff;
}
.medal.gold{background:#fff5d6;border-color:#f0c94a;color:#a8790a;}
.medal.silver{background:#eef1f7;border-color:#b9c3d6;color:#63708c;}
.medal.bronze{background:#fbeada;border-color:#d9a06a;color:#9a5f22;}
.rank-list a{font-size:.92rem;font-weight:600;flex:1;}
.rank-list a:hover{color:var(--primary);}
.rank-list .score{font-size:.8rem;color:var(--accent);font-weight:700;}

/* 特色图标列表 */
.feature-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:16px 26px;}
.feature-list li{display:flex;gap:14px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.feature-list i{
  color:var(--primary);font-size:1.05rem;margin-top:6px;width:22px;text-align:center;
}
.feature-list b{display:block;font-size:.96rem;}
.feature-list span{color:var(--muted);font-size:.88rem;}

/* 手风琴 */
.accordion-item{border:1px solid var(--line) !important;border-radius:12px !important;overflow:hidden;margin-bottom:12px;background:#fff;}
.accordion-button{
  background:#fff;color:var(--ink);font-weight:600;font-size:.96rem;
  box-shadow:none !important;padding:15px 18px;
}
.accordion-button:not(.collapsed){background:#eef5ff;color:var(--primary);}
.accordion-button:focus{border-color:var(--line);box-shadow:none;}
.accordion-body{color:var(--muted);font-size:.9rem;line-height:1.9;}

/* 即将上线 */
.upcoming{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.upcoming-item{
  border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff;transition:.25s;
}
.upcoming-item:hover{border-color:var(--accent);transform:scale(1.015);}
.upcoming-item .date{font-size:.78rem;color:var(--accent);font-weight:700;letter-spacing:1px;}
.upcoming-item h4{font-size:1rem;font-weight:700;margin:8px 0 6px;}
.upcoming-item p{margin:0;font-size:.86rem;color:var(--muted);}

/* 友链 & 页脚 */
.friend-links{padding:38px 0;border-bottom:1px solid var(--line);}
.friend-links h3{font-size:1.05rem;font-weight:700;margin-bottom:12px;}
.friend-links .fl-box{
  border:1px dashed var(--line);border-radius:12px;padding:16px 18px;background:#fff;color:var(--muted);font-size:.9rem;
}
.site-footer{padding:36px 0 46px;color:var(--muted);font-size:.88rem;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px;margin-bottom:24px;}
.footer-grid h4{font-size:.96rem;color:var(--ink);font-weight:700;margin-bottom:10px;}
.footer-grid ul{list-style:none;padding:0;margin:0;}
.footer-grid ul li{margin-bottom:6px;}
.footer-grid ul li a:hover{color:var(--primary);}
.footer-brand{font-weight:800;color:var(--primary);font-size:1.1rem;display:inline-flex;gap:8px;align-items:center;}
.copyright{border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.83rem;}

@media (max-width:1100px){
  .poster-grid{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:860px){
  .nav-links{
    display:none;width:100%;flex-direction:column;align-items:stretch;
    padding:10px 0 4px;
  }
  .nav-links.open{display:flex;}
  .nav-toggle{display:inline-block;}
  .nav-inner{flex-wrap:wrap;}
  .hero-strip{grid-template-columns:repeat(2,1fr);}
  .upcoming{grid-template-columns:1fr;}
  .feature-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:620px){
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .hero h1{font-size:1.5rem;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (min-width:621px) and (max-width:860px){
  .poster-grid{grid-template-columns:repeat(3,1fr);}
}

/* --- 子页面追加 --- */
/* 仅本页少量补充样式，其余沿用站点 style.css */
    .about-hero { padding: 64px 0 28px; }
.about-hero h1 { font-size: clamp(1.7rem, 4vw, 2.6rem); font-weight: 800; color: var(--ink); line-height: 1.25; margin-bottom: 14px; }
.about-hero .lead { color: var(--muted); font-size: 1.02rem; max-width: 720px; line-height: 1.9; }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-top: 30px; }
.stat-box { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px 18px; }
.stat-box .num { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.stat-box .label { color: var(--muted); font-size: .88rem; margin-top: 4px; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px 22px; height: 100%; }
.info-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.info-card p { color: var(--muted); font-size: .93rem; line-height: 1.85; margin: 0; }
.info-card .ico { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: rgba(37,99,235,.1); color: var(--primary); margin-bottom: 14px; font-size: 1.05rem; }
.step-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px dashed var(--line); }
.step-item:last-child { border-bottom: none; }
.step-num { flex: 0 0 34px; height: 34px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: .9rem; }
.step-body h4 { font-size: 1rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.step-body p { color: var(--muted); font-size: .92rem; line-height: 1.85; margin: 0; }
.quote-band { background: linear-gradient(120deg, var(--primary), var(--accent)); color: #fff; border-radius: 16px; padding: 34px 28px; }
.quote-band h2 { font-size: 1.3rem; font-weight: 800; margin-bottom: 12px; }
.quote-band p { margin: 0; line-height: 1.9; opacity: .95; font-size: .96rem; }

/* --- 子页面追加 --- */
/* 本页专属少量样式：条款条目排版 */
  .legal-wrap { max-width: 900px; margin: 0 auto; }
.legal-item {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 22px 24px;
    margin-bottom: 18px;
    box-shadow: 0 4px 18px rgba(37,99,235,.05);
  }
.legal-item h3 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
.legal-item h3 i { color: var(--primary); font-size: .95rem; }
.legal-item p, .legal-item li {
    color: var(--muted);
    font-size: .95rem;
    line-height: 1.85;
    margin-bottom: 8px;
  }
.legal-item ul { padding-left: 22px; margin: 0; }
.legal-item ul li::marker { color: var(--accent); }
.legal-item strong { color: var(--ink); font-weight: 600; }
.legal-note {
    background: linear-gradient(135deg, rgba(37,99,235,.08), rgba(6,182,212,.10));
    border: 1px dashed var(--line);
    border-radius: 16px;
    padding: 20px 24px;
    color: var(--muted);
    font-size: .93rem;
    line-height: 1.85;
  }
.legal-note strong { color: var(--primary); }
.legal-stamp {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: .85rem; color: var(--muted);
    background: #fff; border: 1px solid var(--line);
    border-radius: 999px; padding: 6px 14px; margin-top: 6px;
  }

/* --- 子页面追加 --- */
.guide-hero { background: linear-gradient(135deg, #e8f0ff 0%, #f4f8ff 60%, #e6fbff 100%); }
.guide-step { display: flex; gap: 16px; align-items: flex-start; padding: 20px 0; border-bottom: 1px dashed var(--line); }
.guide-step:last-child { border-bottom: none; }
.guide-num {
    flex: 0 0 40px; width: 40px; height: 40px; border-radius: 12px;
    background: var(--primary); color: #fff; font-weight: 800;
    display: flex; align-items: center; justify-content: center; font-size: 15px;
    box-shadow: 0 6px 16px rgba(37,99,235,.28);
  }
.guide-step h3 { font-size: 17px; font-weight: 700; color: var(--ink); margin: 4px 0 8px; }
.guide-step p { color: var(--muted); font-size: 14.5px; line-height: 1.85; margin: 0; }
.tip-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.tip-card {
    background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 22px;
    transition: .25s ease;
  }
.tip-card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(15,30,61,.08); border-color: #c3d8fb; }
.tip-card i { font-size: 22px; color: var(--accent); margin-bottom: 12px; display: block; }
.tip-card h3 { font-size: 16px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.tip-card p { font-size: 14px; color: var(--muted); line-height: 1.8; margin: 0; }
.faq-wrap .accordion-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; margin-bottom: 12px; overflow: hidden; }
.faq-wrap .accordion-button {
    background: #fff; color: var(--ink); font-weight: 600; font-size: 15.5px; padding: 18px 20px; box-shadow: none;
  }
.faq-wrap .accordion-button:not(.collapsed) { background: #eef5ff; color: var(--primary); box-shadow: none; }
.faq-wrap .accordion-button:focus { box-shadow: none; border-color: var(--line); }
.faq-wrap .accordion-body { background: #fff; color: var(--muted); font-size: 14.5px; line-height: 1.85; padding-top: 0; }
.tip-grid { grid-template-columns: 1fr; }
.guide-step { flex-direction: column; gap: 10px; }

/* --- 子页面追加 --- */
.map-block {margin-bottom:34px;}
.map-block h3 {
    font-size:1.05rem;font-weight:800;color:var(--ink);
    display:flex;align-items:center;gap:8px;margin-bottom:14px;
  }
.map-block h3 i {color:var(--primary);}
.map-grid {
    display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));
    gap:12px;
  }
.map-item {
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:13px 16px;border:1px solid var(--line);border-radius:12px;
    background:#fff;text-decoration:none;color:var(--ink);
    font-weight:600;font-size:.94rem;transition:.2s;
  }
.map-item:hover {
    border-color:var(--primary);color:var(--primary);
    transform:translateY(-2px);box-shadow:0 8px 20px rgba(37,99,235,.10);
  }
.map-item span.mi-desc {font-weight:400;font-size:.78rem;color:var(--muted);display:block;margin-top:3px;}
.map-item .mi-arrow {color:var(--muted);font-size:.78rem;flex-shrink:0;}
.map-item:hover .mi-arrow {color:var(--primary);}
.map-note {
    border:1px dashed var(--line);border-radius:14px;padding:18px 20px;
    background:rgba(37,99,235,.04);color:var(--muted);font-size:.9rem;line-height:1.8;
  }
.map-note strong {color:var(--ink);}

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }