:root{
  --pink:#db2777;
  --rose:#f43f5e;
  --bg:#fff1f5;
  --ink:#500724;
  --ink-soft:#7a2b45;
  --card:#ffffff;
  --line:rgba(219,39,119,.16);
  --shadow:0 6px 22px rgba(219,39,119,.10);
  --radius-card:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  line-height:1.75;
  overflow-x:hidden;
}
h1,h2,h3,.text-round{
  font-family:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
  font-weight:900;
  letter-spacing:-.01em;
}
a{text-decoration:none}
.container-narrow{max-width:1140px;margin:0 auto;padding:0 20px}

/* 噪点纹理 + 顶部进度条 */
.noise-top{
  position:fixed;inset:0 0 auto 0;height:180px;pointer-events:none;z-index:1039;
  background-image:radial-gradient(rgba(219,39,119,.10) 1px,transparent 1px);
  background-size:4px 4px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent);
}
#progressBar{
  position:fixed;top:0;left:0;height:4px;width:0%;z-index:1060;
  background:linear-gradient(90deg,var(--pink),var(--rose));
  border-radius:0 4px 4px 0;
  transition:width .08s linear;
}

/* 导航 */
.navbar-custom{
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:1050;
}
.navbar-brand{
  font-weight:900;font-size:1.35rem;color:var(--ink)!important;
  display:flex;align-items:center;gap:.45rem;
}
.navbar-brand .dot{
  width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,var(--pink),var(--rose));
  display:inline-block;
}
.navbar-custom .nav-link{
  color:var(--ink-soft);font-weight:600;font-size:.94rem;
  padding:.45rem .95rem!important;border-radius:999px;
  transition:all .25s ease;
}
.navbar-custom .nav-link:hover{background:var(--pink);color:#fff}
.navbar-toggler{border:none;color:var(--pink);font-size:1.25rem}
.navbar-toggler:focus{box-shadow:none}

/* 通用按钮 */
.btn-round{
  border-radius:999px;padding:.75rem 1.9rem;font-weight:700;
  border:none;transition:all .25s ease;
}
.btn-primary-custom{background:var(--pink);color:#fff;box-shadow:var(--shadow)}
.btn-primary-custom:hover{background:var(--rose);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--pink);border:2px solid var(--pink)}
.btn-ghost:hover{background:var(--pink);color:#fff}

/* Hero */
.hero{padding:5.5rem 0 4rem;position:relative}
.hero h1{font-size:clamp(2.4rem,5.5vw,4rem);line-height:1.08}
.hero .accent{color:var(--pink)}
.hero p.lead{font-size:1.1rem;color:var(--ink-soft);max-width:620px;margin-top:1.5rem}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:3rem}
.stat-box{
  background:var(--card);border-radius:var(--radius-card);
  padding:1.4rem 1rem;box-shadow:var(--shadow);border:1px solid var(--line);
  text-align:center;
}
.stat-box .num{
  font-size:2.1rem;font-weight:900;color:var(--pink);line-height:1.1;
  display:block;
}
.stat-box .lbl{font-size:.85rem;color:var(--ink-soft);font-weight:600;margin-top:.4rem;display:block}
@media(max-width:768px){.stat-row{grid-template-columns:repeat(2,1fr)}}

/* 时间线 */
.timeline-wrap{position:relative;padding:60px 0 20px}
.timeline-line{
  position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:linear-gradient(to bottom,transparent,var(--pink),var(--rose),transparent);
  transform:translateX(-50%);opacity:.35;
}
.tl-item{
  position:relative;width:50%;padding:0 44px 56px 0;
}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 56px 44px}
.tl-badge{
  position:absolute;top:0;right:-21px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:2px solid var(--pink);color:var(--pink);
  display:flex;align-items:center;justify-content:center;font-weight:900;
  font-size:.95rem;box-shadow:var(--shadow);z-index:2;
}
.tl-item:nth-child(even) .tl-badge{right:auto;left:-21px}
.tl-card{
  background:var(--card);border-radius:var(--radius-card);
  padding:1.6rem 1.5rem;box-shadow:var(--shadow);border:1px solid var(--line);
}
.tl-card h3{font-size:1.18rem;margin-bottom:.55rem}
.tl-card p{color:var(--ink-soft);font-size:.94rem;margin:0}
.tl-card .step-tag{
  display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.08em;
  color:var(--rose);text-transform:uppercase;margin-bottom:.5rem;
}
@media(max-width:768px){
  .timeline-line{left:20px}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 44px 58px}
  .tl-badge,.tl-item:nth-child(even) .tl-badge{left:-2px;right:auto}
}

/* 长文 */
.section{padding:4.5rem 0}
.section-title{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:1rem}
.section-sub{color:var(--ink-soft);max-width:700px;margin-bottom:2.6rem}
.prose p{color:var(--ink-soft);font-size:1rem;margin-bottom:1.1rem}
.prose strong{color:var(--ink)}

/* 编号清单 */
.num-list{list-style:none;padding:0;margin:2rem 0 0;counter-reset:nl}
.num-list li{
  position:relative;padding:1.15rem 1.2rem 1.15rem 4.2rem;margin-bottom:1rem;
  background:var(--card);border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow);
  counter-increment:nl;
}
.num-list li::before{
  content:counter(nl);
  position:absolute;left:1.1rem;top:1.05rem;
  width:2.1rem;height:2.1rem;border-radius:50%;
  background:linear-gradient(135deg,var(--pink),var(--rose));color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.92rem;
}
.num-list li b{display:block;font-size:1.02rem;color:var(--ink);margin-bottom:.2rem}
.num-list li span{color:var(--ink-soft);font-size:.93rem}

/* 对比表格 */
.table-shell{
  background:var(--card);border-radius:var(--radius-card);
  box-shadow:var(--shadow);border:1px solid var(--line);
  overflow:hidden;
}
.table-shell table{margin:0;color:var(--ink)}
.table-shell thead th{
  background:linear-gradient(135deg,var(--pink),var(--rose));color:#fff;
  font-weight:700;border:none;padding:1rem .9rem;font-size:.92rem;
  white-space:nowrap;
}
.table-shell tbody td{
  padding:.95rem .9rem;border-color:var(--line);font-size:.92rem;
  color:var(--ink-soft);vertical-align:middle;
}
.table-shell tbody td:first-child{font-weight:700;color:var(--ink)}
.table-shell tbody tr:hover{background:rgba(219,39,119,.045)}
.pill{
  display:inline-block;padding:.18rem .7rem;border-radius:999px;
  font-size:.76rem;font-weight:700;
}
.pill-y{background:rgba(219,39,119,.12);color:var(--pink)}
.pill-n{background:rgba(80,7,36,.07);color:var(--ink-soft)}

/* FAQ */
.faq-item{
  background:var(--card);border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow);
  margin-bottom:1rem;overflow:hidden;
}
.faq-q{
  width:100%;background:none;border:none;text-align:left;
  padding:1.15rem 1.4rem;font-weight:700;color:var(--ink);
  font-size:1.02rem;display:flex;justify-content:space-between;gap:1rem;
  align-items:center;cursor:pointer;
}
.faq-q i{color:var(--pink);transition:transform .3s ease;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;
  padding:0 1.4rem;color:var(--ink-soft);font-size:.95rem;
}
.faq-item.open .faq-a{max-height:340px;padding-bottom:1.25rem}

/* 特色（单色描边图标） */
.feature-card{
  background:var(--card);border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow);
  padding:2rem 1.7rem;height:100%;transition:transform .3s ease,box-shadow .3s ease;
}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(219,39,119,.16)}
.feature-icon{
  width:62px;height:62px;border-radius:50%;
  border:2px solid var(--pink);color:var(--pink);
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;margin-bottom:1.2rem;
  background:rgba(219,39,119,.05);
}
.feature-card h3{font-size:1.15rem;margin-bottom:.6rem}
.feature-card p{color:var(--ink-soft);font-size:.93rem;margin:0}

/* 海报网格 */
.poster-grid{
  display:grid;grid-template-columns:repeat(6,1fr);gap:1.1rem;width:100%;
}
@media(max-width:1200px){.poster-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:768px){.poster-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.poster-grid{grid-template-columns:repeat(2,1fr)}}
.poster-card{
  background:var(--card);border-radius:14px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.poster-card:hover{transform:translateY(-6px);box-shadow:0 16px 30px rgba(219,39,119,.20)}
.poster-thumb{position:relative;width:100%;aspect-ratio:2/3;overflow:hidden;background:#fce7ef}
.poster-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.poster-card:hover .poster-thumb img{transform:scale(1.06)}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.7);
  width:46px;height:46px;border-radius:50%;
  background:rgba(219,39,119,.92);color:#fff;
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:all .3s ease;font-size:.95rem;
}
.poster-card:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1)}
.poster-meta{padding:.7rem .75rem .85rem}
.poster-meta .pt{font-size:.86rem;font-weight:700;color:var(--ink);line-height:1.35;
  display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.poster-meta .ps{font-size:.74rem;color:var(--ink-soft);margin-top:.2rem;display:block}

/* CTA */
.cta-box{
  background:linear-gradient(135deg,var(--pink),var(--rose));
  border-radius:26px;padding:3.4rem 2rem;text-align:center;color:#fff;
  box-shadow:0 20px 46px rgba(219,39,119,.30);
}
.cta-box h2{font-size:clamp(1.7rem,3.6vw,2.5rem);margin-bottom:.9rem}
.cta-box p{opacity:.93;max-width:620px;margin:0 auto 1.9rem;font-size:1.02rem}
.btn-white{background:#fff;color:var(--pink);border-radius:999px;font-weight:800;padding:.8rem 2.1rem;border:none}
.btn-white:hover{background:var(--ink);color:#fff}
.btn-outline-white{border:2px solid rgba(255,255,255,.8);color:#fff;border-radius:999px;font-weight:700;padding:.8rem 2.1rem;background:transparent}
.btn-outline-white:hover{background:#fff;color:var(--pink)}

/* 友链 & 页脚 */
.friend-links{
  background:var(--card);border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow);
  padding:1.6rem 1.5rem;
}
.friend-links h4{font-size:1rem;font-weight:800;margin-bottom:.9rem}
.friend-links .links-row{color:var(--ink-soft);font-size:.9rem;word-break:break-word}
footer{
  background:#fff;border-top:1px solid var(--line);margin-top:4rem;
  padding:3rem 0 2rem;color:var(--ink-soft);font-size:.9rem;
}
footer h5{color:var(--ink);font-size:1rem;font-weight:800;margin-bottom:1rem}
footer a{color:var(--ink-soft)}
footer a:hover{color:var(--pink)}
.footer-bottom{border-top:1px solid var(--line);margin-top:2rem;padding-top:1.4rem;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.84rem}

/* 回到顶部 */
#backTop{
  position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:50%;
  background:var(--pink);color:#fff;border:none;font-size:1.05rem;
  box-shadow:0 10px 24px rgba(219,39,119,.35);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:all .32s ease;z-index:1055;
}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#backTop:hover{background:var(--rose)}

::selection{background:var(--pink);color:#fff}

/* --- 子页面追加 --- */
/* 本页专属少量样式,配色沿用站点变量 */
  .about-hero {padding:56px 0 28px;}
.about-hero h1 {font-weight:900;color:var(--ink);letter-spacing:-.5px;line-height:1.2;margin-bottom:14px;}
.about-hero p {color:var(--ink-soft);font-size:1.02rem;line-height:1.9;max-width:760px;}
.value-card {background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow);padding:24px 22px;height:100%;}
.value-card h3 {font-size:1.05rem;font-weight:800;color:var(--ink);margin:14px 0 8px;}
.value-card p {color:var(--ink-soft);font-size:.93rem;line-height:1.85;margin:0;}
.value-ico {width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--pink),var(--rose));color:#fff;font-size:1.05rem;}
.num-list li strong {color:var(--ink);}
.about-note {background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-card);padding:20px 22px;color:var(--ink-soft);font-size:.93rem;line-height:1.9;}
.about-list {list-style:none;padding:0;margin:0;}
.about-list li {position:relative;padding-left:26px;color:var(--ink-soft);line-height:1.95;font-size:.95rem;margin-bottom:6px;}
.about-list li::before {content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:2px;color:var(--pink);font-size:.8rem;}
.about-meta {display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}

/* --- 子页面追加 --- */
.sitemap-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;}
.sitemap-card {background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow);padding:26px 24px;height:100%;transition:transform .2s ease,box-shadow .2s ease;}
.sitemap-card:hover {transform:translateY(-3px);box-shadow:0 12px 30px rgba(219,39,119,.16);}
.sitemap-card h3 {font-size:1.08rem;font-weight:800;color:var(--ink);margin:0 0 6px;display:flex;align-items:center;gap:9px;}
.sitemap-card h3 i {color:var(--pink);font-size:1rem;}
.sitemap-card .sm-desc {font-size:.86rem;color:var(--ink-soft);margin:0 0 16px;line-height:1.65;}
.sm-links {list-style:none;padding:0;margin:0;}
.sm-links li {margin-bottom:9px;}
.sm-links a {display:flex;align-items:center;gap:9px;font-size:.92rem;font-weight:600;color:var(--ink);text-decoration:none;padding:8px 12px;border-radius:11px;border:1px solid transparent;transition:all .18s ease;}
.sm-links a:hover {background:var(--bg);border-color:var(--line);color:var(--pink);}
.sm-links a i {color:var(--pink);font-size:.78rem;opacity:.85;}
.sm-links a .sm-tag {margin-left:auto;font-size:.68rem;font-weight:700;color:var(--pink);background:rgba(219,39,119,.09);border-radius:999px;padding:2px 9px;}
.sm-anchor-list {list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px;}
.sm-anchor-list a {display:inline-flex;align-items:center;gap:7px;font-size:.86rem;font-weight:600;color:var(--ink-soft);text-decoration:none;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 15px;transition:all .18s ease;}
.sm-anchor-list a:hover {color:var(--pink);border-color:var(--pink);background:var(--bg);}
.sm-note {background:linear-gradient(135deg,rgba(219,39,119,.07),rgba(244,63,94,.05));border:1px dashed var(--line);border-radius:var(--radius-card);padding:22px 24px;color:var(--ink-soft);font-size:.9rem;line-height:1.85;}
.sm-note strong {color:var(--ink);}
.sm-steps {counter-reset:sm;list-style:none;padding:0;margin:0;}
.sm-steps li {counter-increment:sm;position:relative;padding:0 0 0 46px;margin-bottom:20px;font-size:.92rem;color:var(--ink-soft);line-height:1.8;}
.sm-steps li::before {content:counter(sm);position:absolute;left:0;top:1px;width:30px;height:30px;border-radius:50%;background:var(--pink);color:#fff;font-weight:800;font-size:.85rem;display:flex;align-items:center;justify-content:center;}
.sm-steps li b {color:var(--ink);display:block;font-size:.97rem;margin-bottom:2px;}

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#500724 !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#500724 !important; }