/* roulang page: index */
:root{
  --ink-900:#0E2A44;
  --ink-700:#1C4468;
  --brand-500:#2E7BC4;
  --brand-600:#2367A9;
  --brand-100:#E4EFF9;
  --court-500:#2AA9A0;
  --accent-500:#C3E23C;
  --accent-ink:#23310A;
  --bg-page:#F7F9FC;
  --bg-card:#FFFFFF;
  --bg-tint:#EFF4FA;
  --line:#E3EAF2;
  --text-body:#2B3846;
  --text-muted:#66788B;
  --state-ok:#2E9E6B;
  --state-warn:#D9A23A;
  --state-err:#D2544F;
  --shadow-1:0 1px 2px rgba(14,42,68,.06);
  --shadow-2:0 6px 20px rgba(14,42,68,.08);
  --shadow-3:0 14px 36px rgba(14,42,68,.12);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --container:1200px;
  --sp:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-600);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
  border-radius:6px;
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sp) 0;}
.section-tint{background:var(--bg-tint);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:-.01em;
}
.section-head p{
  font-size:15px;
  color:var(--text-muted);
  max-width:520px;
  line-height:1.75;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-600);
  background:var(--brand-100);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--accent-500);
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{background:var(--brand-600);transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:#fff;color:var(--ink-700);border:1px solid var(--line);}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-accent{background:var(--accent-500);color:var(--accent-ink);}
.btn-accent:hover{background:#b5d629;color:var(--accent-ink);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:var(--r-btn);}
.btn-block{width:100%;}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
}
.badge-court{background:var(--court-500);color:#fff;}
.badge-brand{background:var(--brand-100);color:var(--brand-600);}
.badge-live{background:var(--accent-500);color:var(--accent-ink);}
.badge-muted{background:#EDF1F6;color:var(--text-muted);}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:14px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:var(--brand-500);color:#fff;}
.chip.is-active{background:var(--brand-500);color:#fff;}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  height:72px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
}
.nav-left{display:flex;align-items:center;gap:28px;}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:24px;}
.nav-link{
  position:relative;
  font-size:15px;
  line-height:1;
  color:var(--ink-700);
  padding:8px 0;
  font-weight:500;
}
.nav-link:hover{color:var(--brand-500);}
.nav-link.active{color:var(--brand-500);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--accent-500);
}
.brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  line-height:1;
  gap:5px;
}
.brand-name{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:.01em;white-space:nowrap;}
.brand-sub{font-size:11px;font-weight:600;color:var(--court-500);letter-spacing:.2em;}
.menu-btn{
  display:none;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  background:#fff;
  color:var(--ink-700);
}
.menu-btn:hover{border-color:var(--brand-500);color:var(--brand-500);}
.menu-btn svg{width:20px;height:20px;}

/* ===== 抽屉 ===== */
.drawer{
  position:fixed;
  top:0;left:0;bottom:0;
  width:78vw;
  max-width:340px;
  background:#fff;
  z-index:120;
  transform:translateX(-102%);
  transition:transform .22s ease;
  padding:24px 22px 40px;
  overflow-y:auto;
  box-shadow:var(--shadow-3);
}
.drawer.is-open{transform:translateX(0);}
.drawer-title{font-size:13px;font-weight:600;color:var(--text-muted);letter-spacing:.08em;margin:22px 0 12px;}
.drawer-title:first-child{margin-top:0;}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  display:block;
  padding:11px 12px;
  border-radius:10px;
  color:var(--ink-700);
  font-size:15px;
  font-weight:500;
}
.drawer-links a:hover{background:var(--bg-tint);color:var(--brand-500);}
.drawer-close{
  position:absolute;top:16px;right:16px;
  width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);
}
.drawer-close:hover{background:var(--bg-tint);color:var(--ink-900);}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(14,42,68,.42);
  z-index:110;
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ===== Hero ===== */
.hero{background:var(--bg-tint);padding:64px 0 80px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero h1{
  font-size:44px;
  line-height:1.2;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero-sub{
  font-size:17px;
  line-height:1.75;
  color:var(--text-muted);
  max-width:520px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;}
.hero-stats li{display:flex;flex-direction:column;gap:2px;position:relative;padding-left:16px;}
.hero-stats li::before{
  content:"";
  position:absolute;
  left:0;top:12px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent-500);
}
.hero-stats strong{font-size:24px;font-weight:700;color:var(--ink-900);line-height:1.2;}
.hero-stats span{font-size:13px;color:var(--text-muted);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-img);
  box-shadow:var(--shadow-2);
  background:#E7EDF5;
}
.hero-mini{
  position:absolute;
  right:16px;
  bottom:-26px;
  background:#fff;
  border-radius:var(--r-card);
  box-shadow:var(--shadow-2);
  padding:14px 16px;
  max-width:236px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.hero-mini .mini-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.hero-mini .mini-time{font-size:15px;font-weight:700;color:var(--ink-900);}
.hero-mini p{font-size:14px;line-height:1.5;color:var(--text-body);font-weight:600;}

/* ===== 快捷入口 ===== */
.quick-bar{margin-top:-36px;position:relative;z-index:5;}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.quick-card{
  display:flex;
  align-items:center;
  gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.quick-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
.quick-icon{
  flex:0 0 40px;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--bg-tint);
  display:flex;align-items:center;justify-content:center;
  color:var(--court-500);
}
.quick-icon svg{width:22px;height:22px;}
.quick-card strong{display:block;font-size:15px;font-weight:600;color:var(--ink-900);line-height:1.4;}
.quick-card span{font-size:13px;color:var(--text-muted);line-height:1.4;}

/* ===== 主推网格 ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  display:flex;
  flex-direction:column;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.feature-card.wide{grid-column:span 2;}
.feature-media{position:relative;overflow:hidden;background:#E7EDF5;}
.feature-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:0;
  transition:transform .3s ease;
}
.feature-card:hover .feature-media img{transform:scale(1.03);}
.feature-media .badge{position:absolute;left:14px;top:14px;}
.feature-card.wide .feature-media img{aspect-ratio:16/8;}
.feature-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.feature-body h3{
  font-size:18px;
  line-height:1.45;
  font-weight:600;
  color:var(--ink-900);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.feature-card.wide .feature-body h3{font-size:22px;}
.feature-body p{
  font-size:15px;
  line-height:1.7;
  color:var(--text-muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.feature-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-muted);
}
.feature-foot .more{font-size:14px;font-weight:600;color:var(--brand-500);}
.feature-foot .more:hover{color:var(--brand-600);}

/* ===== 分类导航条 ===== */
.cat-strip{
  display:flex;
  gap:12px;
  overflow-x:auto;
  padding-bottom:6px;
  scrollbar-width:none;
}
.cat-strip::-webkit-scrollbar{display:none;}
.cat-strip .chip{flex:0 0 auto;}

/* ===== 评价轮播 ===== */
.review-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.review-nav{display:flex;gap:10px;}
.circle-btn{
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-700);
  display:flex;align-items:center;justify-content:center;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.circle-btn:hover{background:var(--brand-500);border-color:var(--brand-500);color:#fff;transform:translateY(-1px);}
.circle-btn svg{width:18px;height:18px;}
.review-track{
  display:flex;
  gap:24px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  padding-bottom:4px;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 calc((100% - 48px)/3);
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;
  flex:0 0 40px;
}
.review-name{font-size:15px;font-weight:600;color:var(--ink-900);line-height:1.4;}
.review-role{font-size:12px;color:var(--text-muted);line-height:1.4;}
.stars{display:flex;gap:3px;color:var(--accent-500);font-size:14px;letter-spacing:2px;}
.review-card p{
  font-size:15px;
  line-height:1.75;
  color:var(--text-body);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ===== 保障条 ===== */
.guard{background:var(--bg-tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0;}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.guard-item{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:0 28px;
  border-left:1px dashed var(--line);
}
.guard-item:first-child{border-left:0;padding-left:0;}
.guard-item svg{width:28px;height:28px;color:var(--court-500);}
.guard-item strong{font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.4;}
.guard-item span{font-size:13px;color:var(--text-muted);line-height:1.6;}

/* ===== 资讯列表 ===== */
.news-layout{display:grid;grid-template-columns:2fr 1fr;gap:40px;align-items:start;}
.news-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);}
.news-item{
  display:flex;
  gap:18px;
  padding:20px 22px;
  border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.news-item:last-child{border-bottom:0;}
.news-item:hover{background:var(--bg-tint);}
.news-thumb{flex:0 0 120px;width:120px;height:84px;border-radius:var(--r-img);overflow:hidden;background:#E7EDF5;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-item:hover .news-thumb img{transform:scale(1.04);}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px;}
.news-body h3{
  font-size:17px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink-900);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .18s ease;
}
.news-body h3 a{color:inherit;}
.news-item:hover .news-body h3{color:var(--brand-500);}
.news-body p{
  font-size:14px;
  line-height:1.7;
  color:var(--text-muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-muted);}
.news-meta .more{margin-left:auto;font-size:13px;font-weight:600;color:var(--brand-500);}
.news-meta .more:hover{color:var(--brand-600);}
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:64px 24px;
  text-align:center;
}
.empty-state svg{width:34px;height:34px;color:#B9C7D6;}
.empty-state p{font-size:15px;color:var(--text-muted);}

.news-side{display:flex;flex-direction:column;gap:24px;}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16px;font-weight:600;color:var(--ink-900);margin-bottom:14px;}
.side-chips{display:flex;flex-wrap:wrap;gap:10px;}
.rank-list{display:flex;flex-direction:column;gap:14px;}
.rank-list li{display:flex;gap:12px;align-items:flex-start;}
.rank-num{
  flex:0 0 22px;
  width:22px;height:22px;
  border-radius:6px;
  background:var(--accent-500);
  color:var(--accent-ink);
  font-size:12px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.rank-list a{font-size:14px;line-height:1.6;color:var(--ink-700);}
.rank-list a:hover{color:var(--brand-500);}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  line-height:1.6;
  transition:color .18s ease,background-color .18s ease;
  position:relative;
}
.faq-q:hover{color:var(--brand-500);}
.faq-idx{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:8px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:13px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.faq-q .arrow{
  margin-left:auto;
  width:16px;height:16px;
  color:var(--text-muted);
  transition:transform .18s ease,color .18s ease;
  flex:0 0 16px;
}
.faq-item.open .faq-q{color:var(--brand-500);}
.faq-item.open .faq-q::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:2px;
  background:var(--accent-500);
}
.faq-item.open .arrow{transform:rotate(180deg);color:var(--brand-500);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a p{
  padding:0 22px 22px 62px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-muted);
}

/* ===== CTA ===== */
.cta{
  background:var(--ink-900);
  color:#fff;
  padding:72px 0;
}
.cta-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center;}
.cta h2{font-size:30px;line-height:1.3;font-weight:700;color:#fff;margin-bottom:14px;}
.cta p{font-size:15px;line-height:1.8;color:#B9CBDD;max-width:520px;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:#fff;}
.subscribe{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);
  padding:24px;
}
.subscribe h3{font-size:16px;font-weight:600;color:#fff;margin-bottom:6px;}
.subscribe .hint{font-size:13px;color:#9FB4C9;line-height:1.6;margin-bottom:16px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:14px;font-weight:600;color:#D7E3EE;margin-bottom:8px;}
.field input{
  width:100%;
  height:46px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.96);
  color:var(--ink-900);
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:#9AAABA;}
.field input:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(46,123,196,.28);
}
.field.has-error input{border-color:var(--state-err);box-shadow:0 0 0 3px rgba(210,84,79,.22);}
.field-msg{font-size:13px;line-height:1.5;margin-top:8px;min-height:18px;}
.field-msg.err{color:#F2A9A6;}
.form-ok{display:none;align-items:center;gap:8px;font-size:14px;color:#8FE0B6;margin-top:12px;}
.form-ok.show{display:flex;}
.form-ok svg{width:16px;height:16px;flex:0 0 16px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-900);color:#B9CBDD;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;flex-direction:column;gap:14px;}
.footer-logo{display:flex;flex-direction:column;gap:5px;line-height:1;}
.footer-logo .name{font-size:18px;font-weight:700;color:#fff;}
.footer-logo .sub{font-size:11px;font-weight:600;color:var(--court-500);letter-spacing:.2em;}
.footer-brand p{font-size:14px;line-height:1.8;color:#9FB4C9;max-width:320px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  font-size:12px;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  color:#C6D6E4;
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#9FB4C9;}
.footer-col a:hover{color:var(--accent-500);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#9FB4C9;}
.footer-contact strong{color:#fff;font-weight:600;}
.qr-box{
  width:96px;height:96px;
  border-radius:12px;
  background:rgba(255,255,255,.08);
  border:1px dashed rgba(255,255,255,.24);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.4;
  color:#9FB4C9;
  padding:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:#8CA3B8;
}
.footer-bottom .domain{color:#C6D6E4;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .nav-wrap{padding:0 24px;gap:16px;}
  .nav-left{gap:20px;}
  .nav-right{gap:16px;}
  .container{padding:0 24px;}
  .hero h1{font-size:38px;}
  .footer-grid{gap:28px;}
}
@media (max-width:1023px){
  :root{--sp:64px;}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:64px;padding:0 24px;}
  .menu-btn{display:inline-flex;}
  .nav-left{display:none;}
  .nav-right .nav-link{display:none;}
  .brand{align-items:center;}
  .hero{padding:40px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:-1;}
  .hero h1{font-size:34px;}
  .hero-sub{max-width:none;}
  .hero-mini{right:12px;bottom:-22px;max-width:210px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .feature-card.wide{grid-column:span 2;}
  .feature-card.wide .feature-media img{aspect-ratio:16/9;}
  .review-card{flex-basis:calc((100% - 24px)/2);}
  .guard-grid{grid-template-columns:repeat(2,1fr);row-gap:28px;}
  .guard-item:nth-child(3){border-left:0;padding-left:0;}
  .news-layout{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sp:44px;}
  .container{padding:0 18px;}
  .nav-wrap{padding:0 18px;}
  .brand-name{font-size:16px;}
  .hero h1{font-size:30px;line-height:1.28;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-stats{gap:24px;}
  .hero-stats strong{font-size:20px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head h2{font-size:24px;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-card.wide{grid-column:span 1;}
  .feature-card.wide .feature-media img{aspect-ratio:16/10;}
  .quick-grid{grid-template-columns:1fr;}
  .review-card{flex-basis:84%;}
  .review-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .guard-grid{grid-template-columns:1fr;row-gap:22px;}
  .guard-item{border-left:0;padding:0 0 0 0;border-top:1px dashed var(--line);padding-top:18px;}
  .guard-item:first-child{border-top:0;padding-top:0;}
  .news-item{flex-direction:column;gap:12px;}
  .news-thumb{width:100%;height:auto;flex:none;}
  .news-thumb img{aspect-ratio:16/9;height:auto;}
  .news-meta .more{margin-left:0;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-idx{flex-basis:24px;width:24px;height:24px;font-size:12px;}
  .faq-a p{padding:0 18px 18px 18px;}
  .cta{padding:52px 0;}
  .cta h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .drawer{width:82vw;}
}
@media (max-width:520px){
  .hero h1{font-size:27px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .quick-card{padding:14px 16px;}
  .side-card{padding:18px;}
  .subscribe{padding:20px;}
}

/* roulang page: article */
:root{
  --ink-900:#0E2A44;
  --ink-700:#1C4468;
  --brand-500:#2E7BC4;
  --brand-600:#2367A9;
  --brand-100:#E4EFF9;
  --court-500:#2AA9A0;
  --accent-500:#C3E23C;
  --accent-ink:#23310A;
  --bg-page:#F7F9FC;
  --bg-card:#FFFFFF;
  --bg-tint:#EFF4FA;
  --line:#E3EAF2;
  --text-body:#2B3846;
  --text-muted:#66788B;
  --state-ok:#2E9E6B;
  --state-warn:#D9A23A;
  --state-err:#D2544F;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(14,42,68,.06);
  --shadow-2:0 6px 20px rgba(14,42,68,.08);
  --shadow-3:0 14px 36px rgba(14,42,68,.12);
  --container:1200px;
  --ease:180ms ease;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-600)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--ink-900);font-weight:700;line-height:1.3}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  height:72px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
}
.nav-left{display:flex;align-items:center;gap:28px}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:22px}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
  padding:6px 0;
  white-space:nowrap;
  transition:color var(--ease);
}
.nav-link:hover{color:var(--brand-500)}
.nav-link.active{color:var(--brand-500)}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.nav-link.drawer-extra{display:none}
.brand{
  display:flex;align-items:baseline;gap:6px;
  justify-self:center;
  padding:4px 8px;border-radius:var(--radius-btn);
}
.brand-name{font-size:20px;font-weight:700;color:var(--ink-900);letter-spacing:.5px}
.brand-sub{font-size:12px;font-weight:600;color:var(--court-500);letter-spacing:1.5px;padding-bottom:1px}
.menu-btn{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border-radius:var(--radius-btn);
  color:var(--ink-700);
  border:1px solid var(--line);
  background:#fff;
  transition:background var(--ease),color var(--ease);
}
.menu-btn:hover{background:var(--bg-tint);color:var(--brand-500)}
.menu-btn svg{width:20px;height:20px}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:#fff;color:var(--ink-700);border-color:var(--line)}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
  letter-spacing:.3px;
}
.badge-court{background:var(--court-500);color:#fff}
.badge-brand{background:var(--brand-100);color:var(--brand-600)}
.badge-dot::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--accent-500);margin-right:6px;
}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-muted);
  padding:22px 0 0;
}
.crumb a{color:var(--text-muted)}
.crumb a:hover{color:var(--brand-500)}
.crumb .sep{color:#B8C6D6}
.crumb .current{color:var(--ink-700);font-weight:600;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding-bottom:34px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:26px;
  font-size:13px;color:var(--text-muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D3E0}
.article-title{
  font-size:36px;
  line-height:1.4;
  font-weight:700;
  color:var(--ink-900);
  margin-top:14px;
  max-width:900px;
}
.head-rule{height:1px;background:var(--line);margin-top:26px}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,740px) 260px;
  gap:56px;
  justify-content:center;
  padding-top:48px;
  padding-bottom:72px;
  align-items:start;
}
.article-main{min-width:0}

/* ---------- 正文 ---------- */
.article-body{
  font-size:16px;
  line-height:1.85;
  color:var(--text-body);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:26px;line-height:1.35;font-weight:700;color:var(--ink-900);
  margin:42px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--brand-500);
  scroll-margin-top:96px;
}
.article-body h3{
  font-size:20px;line-height:1.45;font-weight:600;color:var(--ink-700);
  margin:32px 0 14px;
  scroll-margin-top:96px;
}
.article-body h4{
  font-size:17px;font-weight:600;color:var(--ink-700);margin:24px 0 10px;
}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0}
.article-body ul li,.article-body ol li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  line-height:1.75;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--court-500);
}
.article-body ol{counter-reset:art}
.article-body ol li{counter-increment:art}
.article-body ol li::before{
  content:counter(art);
  position:absolute;left:0;top:2px;
  width:18px;height:18px;border-radius:6px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:12px;font-weight:700;line-height:18px;text-align:center;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:26px 0;
  padding:16px 22px;
  background:var(--bg-tint);
  border-left:3px solid var(--brand-500);
  border-radius:12px;
  color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;height:auto;
  border-radius:var(--radius-img);
  margin:24px 0 10px;
}
.article-body figure{margin:24px 0}
.article-body figcaption{
  font-size:13px;color:var(--text-muted);text-align:center;line-height:1.6;
}
.article-body table{
  width:100%;
  margin:24px 0;
  border:1px solid var(--line);
  border-radius:var(--radius-img);
  overflow:hidden;
  font-size:15px;
}
.article-body th,.article-body td{
  padding:11px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.article-body th{background:var(--bg-tint);color:var(--ink-700);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFCFF}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body pre{
  margin:22px 0;
  padding:16px 18px;
  background:var(--bg-tint);
  border-radius:12px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:var(--bg-tint);
  color:var(--ink-700);
  padding:2px 6px;
  border-radius:6px;
  font-size:14px;
}
.article-body pre code{background:none;padding:0}
.article-body hr{
  border:0;height:1px;background:var(--line);margin:32px 0;
}
.article-body a{
  color:var(--brand-500);
  border-bottom:1px solid rgba(46,123,196,.35);
}
.article-body a:hover{color:var(--brand-600);border-bottom-color:var(--brand-600)}

/* ---------- 标签行 ---------- */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.article-tags .label{font-size:13px;color:var(--text-muted);margin-right:2px}
.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:13px;font-weight:600;
  transition:background var(--ease),color var(--ease);
}
.chip:hover{background:var(--brand-500);color:#fff}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:56px 28px;
  text-align:center;
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;
  border-radius:16px;
  background:var(--bg-tint);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-500);
}
.empty-icon svg{width:28px;height:28px}
.empty-state h3{font-size:20px;color:var(--ink-900);margin-bottom:8px}
.empty-state p{color:var(--text-muted);font-size:15px;margin-bottom:22px}

/* ---------- 目录 ---------- */
.article-aside{min-width:0}
.toc-card{
  position:sticky;top:96px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:20px;
}
.toc-title{
  font-size:14px;font-weight:700;color:var(--ink-900);
  padding-bottom:12px;margin-bottom:10px;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:8px;
}
.toc-title::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--accent-500);
}
.toc-list li{margin-bottom:2px}
.toc-list a{
  display:block;
  position:relative;
  padding:7px 10px 7px 14px;
  font-size:13px;
  line-height:1.55;
  color:var(--text-muted);
  border-radius:8px;
  transition:color var(--ease),background var(--ease);
}
.toc-list a:hover{color:var(--brand-500);background:var(--bg-tint)}
.toc-list a.is-active{color:var(--brand-600);background:var(--brand-100);font-weight:600}
.toc-list a.is-active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--accent-500);border-radius:2px;
}
.toc-list .lv3 a{padding-left:26px;font-size:12.5px}
.toc-empty{font-size:13px;color:var(--text-muted);line-height:1.7}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--bg-tint);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:44px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-text h2{font-size:24px;margin-bottom:8px}
.cta-text p{font-size:15px;color:var(--text-muted);max-width:600px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 相关推荐 ---------- */
.section{padding:64px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;
}
.section-head h2{font-size:28px}
.section-head .sub{font-size:14px;color:var(--text-muted);margin-top:8px}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;flex-direction:column;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.post-thumb{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/10;
  background:#EDF1F6;
}
.post-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 300ms ease;
}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-thumb .badge{position:absolute;left:12px;top:12px}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.post-body h3{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--ink-900);
  margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-muted);
  padding-top:12px;border-top:1px solid var(--line);
}
.post-foot .more{color:var(--brand-500);font-weight:600}
.post-card:hover .post-foot .more{color:var(--brand-600)}

/* ---------- 返回入口 ---------- */
.back-entry{
  text-align:center;
  padding:0 0 72px;
}
.back-entry a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand-500);
  padding:10px 18px;border-radius:999px;
  transition:background var(--ease),color var(--ease);
}
.back-entry a:hover{background:var(--brand-100);color:var(--brand-600)}
.back-entry svg{width:16px;height:16px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:#C8D6E4;
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-logo{display:flex;align-items:baseline;gap:8px;margin-bottom:14px}
.footer-logo .name{font-size:19px;font-weight:700;color:#fff;letter-spacing:.5px}
.footer-logo .sub{font-size:12px;font-weight:600;color:var(--accent-500);letter-spacing:1.5px}
.footer-brand p{line-height:1.8;color:#9FB4C8;margin-bottom:16px;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  font-size:12px;color:#B9CBDB;
  border:1px solid rgba(255,255,255,.16);
  padding:4px 10px;border-radius:999px;
}
.footer-col h4{
  font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:#9FB4C8;font-size:14px;transition:color var(--ease)}
.footer-col ul a:hover{color:var(--accent-500)}
.footer-contact{display:flex;flex-direction:column;gap:10px;color:#9FB4C8}
.footer-contact strong{color:#DCE7F2;font-weight:600}
.qr-box{
  width:104px;height:104px;margin-top:6px;
  border:1px dashed rgba(255,255,255,.25);
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  text-align:center;font-size:12px;line-height:1.6;color:#8FA6BC;
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  font-size:13px;color:#8FA6BC;
}
.footer-bottom .domain{color:#7E93A8;letter-spacing:.5px}

/* ---------- 骨架 ---------- */
.skeleton{
  background:#EDF1F6;
  border-radius:var(--radius-img);
  animation:skeletonPulse 1.4s ease-in-out infinite;
}
@keyframes skeletonPulse{0%,100%{opacity:1}50%{opacity:.55}}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:40px}
}
@media (max-width:1023px){
  .nav-wrap{padding:0 24px;grid-template-columns:auto 1fr auto;height:64px}
  .menu-btn{display:inline-flex}
  .nav-left{
    position:fixed;top:0;left:0;bottom:0;
    width:78vw;max-width:340px;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:84px 22px 32px;
    transform:translateX(-100%);
    transition:transform 240ms ease;
    box-shadow:var(--shadow-3);
    z-index:80;
    overflow-y:auto;
  }
  .nav-left.open{transform:translateX(0)}
  .nav-left .nav-link{
    width:100%;padding:14px 0;font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav-left .nav-link.active::after{display:none}
  .nav-left .nav-link.active{color:var(--brand-500)}
  .nav-left .nav-link.drawer-extra{display:block}
  .nav-right .nav-link{display:none}
  .brand{grid-column:2}
  .nav-backdrop{
    position:fixed;inset:0;background:rgba(14,42,68,.38);
    opacity:0;pointer-events:none;transition:opacity 240ms ease;z-index:70;
  }
  .nav-backdrop.open{opacity:1;pointer-events:auto}
  .container{padding:0 24px}
  .article-layout{
    grid-template-columns:minmax(0,1fr);
    gap:28px;
    padding-top:32px;
    padding-bottom:56px;
  }
  .article-aside{order:-1}
  .toc-card{position:static;top:auto;padding:16px 18px}
  .toc-list{max-height:200px;overflow-y:auto}
  .article-title{font-size:30px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:48px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .nav-wrap{padding:0 18px;height:60px}
  .brand-name{font-size:17px}
  .brand-sub{font-size:11px;letter-spacing:1px}
  .article-head{padding-bottom:24px}
  .crumb{padding-top:16px}
  .article-meta{margin-top:18px;gap:10px;font-size:12px}
  .article-title{font-size:23px;line-height:1.45;margin-top:12px}
  .article-body{font-size:15px;line-height:1.8}
  .article-body h2{font-size:21px;margin:32px 0 12px}
  .article-body h3{font-size:18px}
  .article-body table{font-size:14px}
  .article-body th,.article-body td{padding:9px 10px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .cta-text h2{font-size:20px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:22px}
  .section-head h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .site-footer{padding-top:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start;font-size:12px}
  .article-tags{margin-top:28px}
  .back-entry{padding-bottom:48px}
}

/* roulang page: category1 */
:root{
  --ink-900:#0E2A44;
  --ink-700:#1C4468;
  --brand-500:#2E7BC4;
  --brand-600:#2367A9;
  --brand-100:#E4EFF9;
  --court-500:#2AA9A0;
  --accent-500:#C3E23C;
  --accent-ink:#23310A;
  --bg-page:#F7F9FC;
  --bg-card:#FFFFFF;
  --bg-tint:#EFF4FA;
  --line:#E3EAF2;
  --text-body:#2B3846;
  --text-muted:#66788B;
  --state-ok:#2E9E6B;
  --state-warn:#D9A23A;
  --state-err:#D2544F;
  --shadow-1:0 1px 2px rgba(14,42,68,.06);
  --shadow-2:0 6px 20px rgba(14,42,68,.08);
  --shadow-3:0 14px 36px rgba(14,42,68,.12);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg-page);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.2em}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease}
a:hover{text-decoration:underline}
img{display:block;max-width:100%}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-weight:600;font-size:15px;line-height:1;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-600);box-shadow:var(--shadow-2)}
.btn-ghost{background:#fff;color:var(--ink-700);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600)}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{background:var(--brand-100);color:var(--brand-600)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{background:#EDF1F6;color:#8C9AAA;border-color:#E1E7EF;box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-wrap{
  position:relative;
  max-width:1200px;margin:0 auto;padding:0 32px;
  height:72px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;
}
.menu-btn{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;color:var(--ink-700);
  transition:background-color .18s ease,color .18s ease;
}
.menu-btn:hover{background:var(--bg-tint);color:var(--brand-500)}
.menu-btn svg{width:22px;height:22px}
.nav-left{display:flex;align-items:center;gap:28px}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:20px}
.nav-link{
  position:relative;font-size:15px;line-height:1;
  color:var(--ink-700);padding:8px 0;font-weight:500;
  transition:color .18s ease;
}
.nav-link:hover{color:var(--brand-500);text-decoration:none}
.nav-link.active{color:var(--brand-500);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.brand{display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.1;height:40px}
.brand:hover{text-decoration:none}
.brand-name{font-size:19px;font-weight:700;color:var(--ink-900);letter-spacing:.5px}
.brand-sub{font-size:11px;letter-spacing:4px;color:var(--brand-500);margin-top:3px;padding-left:4px}
.drawer-extra{display:none}
.nav-mask{
  position:fixed;inset:0;background:rgba(14,42,68,.42);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:70;
}
.nav-mask.show{opacity:1;visibility:visible}

/* ---------- 页面横幅 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--bg-tint);border-bottom:1px solid var(--line)}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.90) 46%,rgba(255,255,255,.62) 100%);
}
.page-hero .hero-inner{position:relative;padding:64px 0 60px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:22px}
.crumb a{color:var(--text-muted)}
.crumb a:hover{color:var(--brand-500)}
.crumb span.sep{color:#B7C4D2}
.crumb .current{color:var(--ink-700);font-weight:600}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-500)}
.page-hero h1{
  font-size:44px;line-height:1.2;font-weight:700;color:var(--ink-900);
  max-width:780px;letter-spacing:-.5px;
}
.page-hero .hero-lead{
  margin-top:16px;max-width:640px;font-size:16px;line-height:1.8;color:var(--text-muted);
}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:28px}
.hero-stat{display:flex;flex-direction:column;gap:2px}
.hero-stat .num{font-size:24px;font-weight:700;color:var(--ink-900);line-height:1.2;display:flex;align-items:center;gap:8px}
.hero-stat .num i{width:7px;height:7px;border-radius:50%;background:var(--accent-500);display:inline-block}
.hero-stat .lbl{font-size:13px;color:var(--text-muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);margin-bottom:32px;
}
.filter-bar .filter-label{font-size:13px;color:var(--text-muted);margin-right:4px;padding-left:6px}
.chip{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink-700);font-size:14px;font-weight:600;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-600)}
.chip.is-active{background:var(--brand-100);color:var(--brand-600);border-color:#BBD9F2}

/* ---------- 场次网格 ---------- */
.section{padding:88px 0}
.section-tint{background:var(--bg-tint)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink-900)}
.section-head .sub{font-size:15px;color:var(--text-muted);margin-top:8px}
.section-head .head-side{font-size:14px;color:var(--text-muted);white-space:nowrap}

.live-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.live-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;flex-direction:column;
}
.live-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6E3F0}
.live-card[hidden]{display:none}
.live-cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:#EDF1F6}
.live-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.live-card:hover .live-cover img{transform:scale(1.03)}
.status{
  position:absolute;top:12px;left:12px;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.5px;
}
.status .pulse{width:6px;height:6px;border-radius:50%;background:var(--accent-ink);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
.status-live{background:var(--accent-500);color:var(--accent-ink)}
.status-soon{background:var(--court-500);color:#fff}
.status-end{background:#8B99A9;color:#fff}
.live-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:12px;flex:1}
.live-body h3{
  font-size:18px;line-height:1.5;font-weight:600;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:54px;
}
.live-meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--text-muted);line-height:1.6}
.live-meta span{display:inline-flex;align-items:center;gap:6px}
.live-meta svg{width:14px;height:14px;stroke:var(--court-500);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.live-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.live-foot .hint{font-size:12px;color:var(--text-muted)}
.see-more{font-size:14px;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px}
.see-more:hover{text-decoration:underline}
.see-more.is-off{color:#9AA9B8;pointer-events:none}

.load-more-wrap{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:40px}
.load-more-wrap .tip{font-size:13px;color:var(--text-muted)}
.empty-state{
  display:none;flex-direction:column;align-items:center;gap:12px;
  padding:56px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  color:var(--text-muted);font-size:15px;text-align:center;
}
.empty-state.show{display:flex}
.empty-state svg{width:36px;height:36px;stroke:var(--court-500);fill:none;stroke-width:1.6}

/* ---------- 保障条 ---------- */
.assure{background:var(--bg-tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:44px 0}
.assure-item{padding:0 28px;border-left:1px dashed var(--line)}
.assure-item:first-child{border-left:0;padding-left:0}
.assure-item svg{width:28px;height:28px;stroke:var(--court-500);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
.assure-item h3{font-size:16px;font-weight:600;color:var(--ink-900);margin-bottom:6px}
.assure-item p{font-size:14px;line-height:1.7;color:var(--text-muted)}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background-color .18s ease,color .18s ease;
}
.faq-q:hover{background:var(--bg-tint)}
.faq-no{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:8px;background:var(--brand-100);
  color:var(--brand-600);font-size:13px;font-weight:700;
}
.faq-q .q-text{flex:1}
.faq-arrow{width:18px;height:18px;stroke:var(--text-muted);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.faq-item.open .faq-arrow{transform:rotate(180deg);stroke:var(--brand-500)}
.faq-item.open .faq-q{color:var(--brand-600)}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--accent-500);border-radius:0 3px 3px 0;
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 24px 22px 66px;font-size:15px;line-height:1.8;color:var(--text-muted)}
.faq-item.open .faq-a{max-height:320px}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink-900);color:#fff}
.cta-inner{
  display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:48px;
  padding:72px 0;
}
.cta-inner h2{font-size:30px;line-height:1.3;font-weight:700;color:#fff}
.cta-inner p{margin-top:14px;font-size:15px;line-height:1.8;color:#B9C9D8;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-side{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:24px;
}
.cta-side h3{font-size:16px;font-weight:600;color:#fff;margin-bottom:6px}
.cta-side p{font-size:13px;color:#A9BCCE;margin-top:0;line-height:1.7}
.subscribe{display:flex;gap:10px;margin-top:16px}
.subscribe input{
  flex:1;min-width:0;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;
  font-size:14px;font-family:inherit;transition:border-color .18s ease,box-shadow .18s ease;
}
.subscribe input::placeholder{color:#93A7BA}
.subscribe input:focus{outline:none;border-color:var(--accent-500);box-shadow:0 0 0 2px rgba(195,226,60,.35)}
.subscribe-msg{font-size:13px;margin-top:10px;color:var(--state-ok);display:none}
.subscribe-msg.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#C8D6E4;padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:48px;padding-bottom:48px}
.footer-logo{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}
.footer-logo .name{font-size:19px;font-weight:700;color:#fff;letter-spacing:.5px}
.footer-logo .sub{font-size:11px;letter-spacing:3px;color:var(--accent-500)}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9BCCE;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{
  font-size:12px;padding:4px 12px;border-radius:999px;
  background:rgba(255,255,255,.08);color:#C8D6E4;border:1px solid rgba(255,255,255,.12);
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#A9BCCE;font-size:14px}
.footer-col a:hover{color:var(--accent-500);text-decoration:none}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#A9BCCE}
.footer-contact strong{color:#fff;font-weight:600}
.qr-box{
  width:104px;height:104px;margin-top:8px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:#8FA4B8;padding:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#8FA4B8;flex-wrap:wrap;
}
.footer-bottom .domain{color:#8FA4B8;letter-spacing:.5px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-wrap{padding:0 24px;gap:16px}
  .nav-left{gap:20px}
  .nav-right{gap:14px}
  .live-grid{grid-template-columns:repeat(3,1fr);gap:20px}
}
@media (max-width:1023px){
  .nav-wrap{padding:0 18px;height:64px;display:flex;align-items:center;justify-content:space-between}
  .menu-btn{display:inline-flex;z-index:90}
  .brand{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);height:auto}
  .brand-name{font-size:17px}
  .brand-sub{font-size:10px;letter-spacing:3px}
  .nav-left{
    position:fixed;top:0;left:0;bottom:0;width:78vw;max-width:320px;
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:76px 20px 28px;transform:translateX(-102%);
    transition:transform .24s ease;box-shadow:var(--shadow-3);z-index:85;
    overflow-y:auto;
  }
  .nav-left.open{transform:translateX(0)}
  .nav-left .nav-link{padding:14px 8px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-left .nav-link.active::after{display:none}
  .nav-left .nav-link.active{background:var(--brand-100);border-radius:10px;padding-left:12px;border-bottom-color:transparent}
  .drawer-extra{display:flex;flex-direction:column;gap:10px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
  .drawer-extra .t{font-size:12px;color:var(--text-muted);letter-spacing:1px}
  .drawer-extra a{font-size:14px;color:var(--ink-700)}
  .nav-right .nav-link{display:none}
  .page-hero .hero-inner{padding:44px 0 40px}
  .page-hero h1{font-size:34px}
  .section{padding:64px 0}
  .section-head h2{font-size:26px}
  .live-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .assure-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;padding:36px 0}
  .assure-item{padding:0 20px}
  .assure-item:nth-child(odd){border-left:0;padding-left:0}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .page-hero h1{font-size:28px;line-height:1.3}
  .page-hero .hero-lead{font-size:15px}
  .page-hero .hero-bg{object-fit:cover}
  .hero-stats{gap:20px 28px;margin-top:22px}
  .hero-stat .num{font-size:20px}
  .hero-actions{gap:12px;margin-top:24px}
  .hero-actions .btn{flex:1 1 100%}
  .filter-bar{padding:12px;gap:10px}
  .chip{padding:8px 14px;font-size:13px}
  .section{padding:44px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:24px}
  .section-head h2{font-size:24px}
  .live-grid{grid-template-columns:1fr;gap:16px}
  .live-body h3{min-height:0;font-size:17px}
  .assure-grid{grid-template-columns:1fr;gap:24px}
  .assure-item{padding:0;border-left:0}
  .assure-item+.assure-item{border-top:1px dashed var(--line);padding-top:24px}
  .faq-q{padding:16px;font-size:15px;gap:10px}
  .faq-a p{padding:0 16px 18px 54px;font-size:14px}
  .cta-inner h2{font-size:24px}
  .cta-actions .btn{flex:1 1 100%}
  .subscribe{flex-direction:column}
  .subscribe .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category3 */
:root{
  --ink-900:#0E2A44;
  --ink-700:#1C4468;
  --brand-500:#2E7BC4;
  --brand-600:#2367A9;
  --brand-100:#E4EFF9;
  --court-500:#2AA9A0;
  --accent-500:#C3E23C;
  --accent-ink:#23310A;
  --bg-page:#F7F9FC;
  --bg-card:#FFFFFF;
  --bg-tint:#EFF4FA;
  --line:#E3EAF2;
  --text-body:#2B3846;
  --text-muted:#66788B;
  --state-ok:#2E9E6B;
  --state-warn:#D9A23A;
  --state-err:#D2544F;
  --shadow-1:0 1px 2px rgba(14,42,68,.06);
  --shadow-2:0 6px 20px rgba(14,42,68,.08);
  --shadow-3:0 14px 36px rgba(14,42,68,.12);
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --sp-section:88px;
  --font-base:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-500);text-decoration:none;transition:color 180ms ease}
a:hover{color:var(--brand-600)}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sp-section) 0}
.section-tint{background:var(--bg-tint)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-title{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink-900)}
.section-sub{font-size:15px;color:var(--text-muted);margin-top:10px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-600);
  background:var(--brand-100);border-radius:999px;padding:5px 14px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background 180ms ease,color 180ms ease,border-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:#fff;color:var(--ink-700);border-color:var(--line)}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-1px)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--brand-600);
  font-size:13px;font-weight:600;
  transition:background 180ms ease,color 180ms ease,border-color 180ms ease;
}
.btn-outline:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-600)}
.btn-light{background:var(--accent-500);color:var(--accent-ink)}
.btn-light:hover{background:#b6d436;color:var(--accent-ink);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow 180ms ease;
}
.site-header.scrolled{box-shadow:var(--shadow-1)}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 32px;height:72px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
}
.nav-left{display:flex;align-items:center;gap:28px}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:18px}
.nav-link{
  position:relative;font-size:15px;line-height:1;color:var(--ink-700);
  padding:8px 0;transition:color 180ms ease;
}
.nav-link:hover{color:var(--brand-500)}
.nav-link.active{color:var(--brand-500);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.brand{display:flex;flex-direction:column;align-items:center;line-height:1.1;color:var(--ink-900)}
.brand:hover{color:var(--ink-900)}
.brand-name{font-size:19px;font-weight:700;letter-spacing:.5px}
.brand-sub{font-size:11px;letter-spacing:3px;color:var(--court-500);margin-top:3px}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;color:var(--ink-700);
  border:1px solid var(--line);background:#fff;
  transition:background 180ms ease,color 180ms ease;
}
.menu-btn:hover{background:var(--brand-100);color:var(--brand-600)}
.menu-btn svg{width:20px;height:20px}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,42,68,.45);
  opacity:0;visibility:hidden;transition:opacity 220ms ease,visibility 220ms ease;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:78vw;max-width:340px;
  background:#fff;z-index:90;display:flex;flex-direction:column;
  transform:translateX(-100%);transition:transform 220ms ease;
  box-shadow:var(--shadow-3);
}
.drawer.open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--line);
}
.drawer-close{
  width:34px;height:34px;border-radius:10px;font-size:20px;line-height:1;
  color:var(--ink-700);border:1px solid var(--line);
}
.drawer-close:hover{background:var(--brand-100);color:var(--brand-600)}
.drawer-nav{display:flex;flex-direction:column;padding:12px 0;flex:1;overflow-y:auto}
.drawer-nav a{
  padding:14px 20px;font-size:16px;color:var(--ink-700);
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:var(--bg-tint);color:var(--brand-600)}
.drawer-nav a.active{color:var(--brand-500);font-weight:600;border-left-color:var(--accent-500);background:var(--bg-tint)}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-muted);padding:20px 0 0;
}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .sep{color:#BAC7D6}
.breadcrumb .current{color:var(--ink-700)}

/* ---------- 页面头部 ---------- */
.page-hero{
  background:var(--bg-tint);
  border-bottom:1px solid var(--line);
  padding:36px 0 40px;
  position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(42,169,160,.14),rgba(42,169,160,0) 68%);
  pointer-events:none;
}
.page-hero .inner{max-width:820px;position:relative;z-index:1}
.page-hero h1{
  font-size:38px;line-height:1.28;font-weight:700;color:var(--ink-900);
  margin:16px 0 14px;
}
.page-hero .lead{font-size:16px;color:var(--text-muted);line-height:1.8;max-width:700px}
.page-hero .meta-row{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;padding:5px 13px;border-radius:999px;
  background:#fff;color:var(--ink-700);border:1px solid var(--line);
}
.pill .sq{width:6px;height:6px;border-radius:2px;background:var(--court-500)}
.pill.accent{background:var(--accent-500);color:var(--accent-ink);border-color:var(--accent-500)}

/* ---------- 排序条 ---------- */
.sort-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  flex-wrap:wrap;padding:20px 0 0;
}
.sort-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.sort-label{font-size:14px;color:var(--text-muted);font-weight:600}
.chip-group{display:flex;gap:10px;flex-wrap:wrap}
.chip-sort{
  height:38px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-700);
  font-size:14px;font-weight:600;
  transition:background 180ms ease,color 180ms ease,border-color 180ms ease;
}
.chip-sort:hover{border-color:var(--brand-500);color:var(--brand-600)}
.chip-sort.is-active{background:var(--brand-500);border-color:var(--brand-500);color:#fff}
.chip-sort.is-active:hover{background:var(--brand-600);color:#fff}
.sort-count{font-size:14px;color:var(--text-muted)}
.sort-count b{color:var(--ink-900);font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- 装备卡片网格 ---------- */
.gear-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px;
}
.gear-card{
  display:flex;flex-direction:column;
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.gear-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6E2EF}
.gear-media{
  position:relative;aspect-ratio:1/1;overflow:hidden;background:#EDF1F6;
}
.gear-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 180ms ease;
}
.gear-card:hover .gear-media img{transform:scale(1.03)}
.gear-badge{
  position:absolute;top:12px;left:12px;
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:700;letter-spacing:.5px;
  padding:4px 10px;border-radius:999px;
  background:var(--accent-500);color:var(--accent-ink);
}
.gear-badge.court{background:var(--court-500);color:#fff}
.gear-badge.gray{background:#E7EDF4;color:var(--text-muted)}
.gear-body{
  padding:16px;display:flex;flex-direction:column;gap:8px;flex:1;
}
.gear-title{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:51px;
}
.gear-desc{
  font-size:14px;line-height:1.7;color:var(--text-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gear-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.tag-plan{
  font-size:12px;font-weight:600;color:var(--brand-600);
  background:var(--brand-100);border-radius:999px;padding:3px 10px;
  white-space:nowrap;
}

/* ---------- 对比说明条 ---------- */
.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.compare-item{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform 180ms ease,box-shadow 180ms ease;
}
.compare-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.compare-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-tint);color:var(--court-500);margin-bottom:16px;
}
.compare-icon svg{width:26px;height:26px}
.compare-item h3{font-size:19px;font-weight:600;color:var(--ink-900);margin-bottom:6px}
.compare-tip{font-size:13px;color:var(--court-500);font-weight:600;margin-bottom:14px}
.compare-item ul{display:flex;flex-direction:column;gap:10px}
.compare-item li{
  position:relative;padding-left:20px;font-size:14px;line-height:1.7;color:var(--text-body);
}
.compare-item li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;
  border-radius:2px;background:var(--accent-500);
}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.step{
  position:relative;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 24px;box-shadow:var(--shadow-1);
}
.step-num{
  font-size:13px;font-weight:700;color:var(--accent-ink);
  background:var(--accent-500);border-radius:8px;
  width:30px;height:30px;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:18px;font-weight:600;color:var(--ink-900);margin-bottom:8px}
.step p{font-size:14px;line-height:1.75;color:var(--text-muted)}

/* ---------- FAQ ---------- */
.faq-list{
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  overflow:hidden;margin-top:32px;
}
.faq-item{position:relative;border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:transparent;transition:background 180ms ease;
}
.faq-item.open::before{background:var(--accent-500)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background 180ms ease;
}
.faq-q:hover{background:var(--bg-tint)}
.faq-num{
  flex:0 0 auto;width:28px;height:28px;border-radius:8px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
}
.faq-text{flex:1}
.faq-icon{
  flex:0 0 auto;font-size:20px;line-height:1;color:var(--brand-500);font-weight:400;
  transition:transform 180ms ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 240ms ease;
}
.faq-a p{
  padding:0 24px 22px 66px;font-size:15px;line-height:1.8;color:var(--text-muted);
}
.faq-item.open .faq-a{max-height:320px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-900);border-radius:20px;
  padding:56px 48px;color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;
  border-radius:50%;border:1px solid rgba(195,226,60,.35);
}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:700;margin-bottom:14px;color:#fff}
.cta-band p{font-size:15px;line-height:1.8;color:#C6D6E4;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#C6D6E4;margin-top:var(--sp-section);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-logo{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}
.footer-logo .name{font-size:19px;font-weight:700;color:#fff;letter-spacing:.5px}
.footer-logo .sub{font-size:11px;letter-spacing:3px;color:var(--accent-500)}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9BDCE;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{
  font-size:12px;padding:4px 11px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);color:#C6D6E4;
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:#A9BDCE}
.footer-col a:hover{color:var(--accent-500)}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:#A9BDCE}
.footer-contact strong{color:#E4EFF9;font-weight:600}
.qr-box{
  width:104px;height:104px;border-radius:12px;margin-top:6px;
  border:1px dashed rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;
  text-align:center;font-size:12px;line-height:1.6;color:#8FA6BA;
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 26px;font-size:13px;color:#8FA6BA;
}
.footer-bottom .domain{font-variant-numeric:tabular-nums;letter-spacing:.5px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .nav-wrap{padding:0 24px;gap:12px}
  .nav-left{gap:20px}
  .gear-grid{grid-template-columns:repeat(3,1fr)}
  .page-hero h1{font-size:34px}
}
@media (max-width:1023px){
  :root{--sp-section:64px}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:64px}
  .nav-left{display:none}
  .menu-btn{display:inline-flex}
  .nav-right .nav-link{display:none}
  .brand-name{font-size:17px}
  .brand-sub{font-size:10px;letter-spacing:2px}
  .gear-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .compare,.steps{grid-template-columns:1fr;gap:18px}
  .cta-band{padding:42px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero h1{font-size:30px}
  .section-title{font-size:25px}
}
@media (max-width:767px){
  :root{--sp-section:44px}
  .container{padding:0 18px}
  .nav-wrap{padding:0 18px}
  body{font-size:15px}
  .page-hero{padding:26px 0 30px}
  .page-hero h1{font-size:26px}
  .page-hero .lead{font-size:15px}
  .section-title{font-size:22px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px}
  .gear-grid{grid-template-columns:1fr;gap:18px}
  .gear-title{min-height:auto}
  .sort-bar{flex-direction:column;align-items:flex-start;gap:12px}
  .faq-q{padding:16px 18px;font-size:15px;gap:10px}
  .faq-a p{padding:0 18px 18px 60px;font-size:14px}
  .cta-band{padding:34px 22px;border-radius:16px}
  .cta-band h2{font-size:23px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding-top:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .compare-item,.step{padding:22px 20px}
}

/* roulang page: category2 */
:root{
  --ink-900:#0E2A44;
  --ink-700:#1C4468;
  --brand-500:#2E7BC4;
  --brand-600:#2367A9;
  --brand-100:#E4EFF9;
  --court-500:#2AA9A0;
  --accent-500:#C3E23C;
  --accent-ink:#23310A;
  --bg-page:#F7F9FC;
  --bg-card:#FFFFFF;
  --bg-tint:#EFF4FA;
  --line:#E3EAF2;
  --text-body:#2B3846;
  --text-muted:#66788B;
  --state-ok:#2E9E6B;
  --state-warn:#D9A23A;
  --state-err:#D2544F;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(14,42,68,.06);
  --shadow-2:0 6px 20px rgba(14,42,68,.08);
  --shadow-3:0 14px 36px rgba(14,42,68,.12);
  --container:1200px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.3}
h3,h4{font-weight:600}
p{margin:0}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-500);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-600)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
table{border-collapse:collapse;width:100%}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 站点导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  height:72px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
}
.nav-left{display:flex;align-items:center;gap:28px;justify-self:start}
.nav-right{display:flex;align-items:center;gap:20px;justify-self:end}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:72px;
  font-size:15px;
  line-height:1;
  color:var(--ink-700);
  white-space:nowrap;
  transition:color var(--ease);
}
.nav-link:hover{color:var(--brand-500)}
.nav-link.active{color:var(--brand-500);font-weight:600}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:16px;
  height:2px;
  border-radius:2px;
  background:var(--accent-500);
}
.brand{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  justify-self:center;
  height:40px;
  color:var(--ink-900);
}
.brand-name{font-size:20px;font-weight:700;letter-spacing:.5px;color:var(--ink-900)}
.brand-sub{
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  color:var(--court-500);
  background:rgba(42,169,160,.1);
  padding:2px 9px;
  border-radius:999px;
}
.menu-btn{
  display:none;
  width:40px;
  height:40px;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  color:var(--ink-700);
  justify-self:start;
  transition:background var(--ease),color var(--ease);
}
.menu-btn:hover{background:var(--bg-tint);color:var(--brand-600)}
.menu-btn svg{width:22px;height:22px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease),opacity var(--ease);
}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:#fff;color:var(--ink-700);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-1px)}
.btn-accent{background:var(--accent-500);color:var(--accent-ink)}
.btn-accent:hover{background:#B6D632;color:var(--accent-ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn:disabled{opacity:.62;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:110;
  background:rgba(14,42,68,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;
  bottom:0;
  left:0;
  z-index:120;
  width:78vw;
  max-width:340px;
  padding:22px;
  background:#fff;
  overflow-y:auto;
  transform:translateX(-100%);
  transition:transform 220ms ease;
  box-shadow:var(--shadow-3);
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-size:16px;font-weight:700;color:var(--ink-900)}
.drawer-close{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:10px;color:var(--text-muted);background:var(--bg-tint)}
.drawer-close:hover{color:var(--brand-600)}
.drawer-list{display:grid;gap:2px;margin-bottom:20px}
.drawer-list a{
  display:block;
  padding:12px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--ink-700);
  transition:background var(--ease),color var(--ease);
}
.drawer-list a:hover{background:var(--bg-tint);color:var(--brand-600)}
.drawer-list a.active{background:var(--brand-100);color:var(--brand-600);font-weight:600}
.drawer-foot{border-top:1px solid var(--line);padding-top:16px;font-size:13px;color:var(--text-muted);line-height:1.9}

/* ---------- 页头 ---------- */
.page-hero{
  background:var(--bg-tint);
  padding:40px 0 64px;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .sep{color:#B9C6D4}
.breadcrumb .current{color:var(--ink-700)}
.page-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:13px;
  font-weight:600;
  line-height:1.6;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.page-title{font-size:44px;line-height:1.2;letter-spacing:-.5px}
.lead{font-size:17px;line-height:1.85;color:var(--text-muted);margin-top:18px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:32px}
.hero-facts li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-700)}
.hero-facts li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500);flex:0 0 auto}
.hero-facts b{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink-900)}
.page-hero-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  background:#EDF1F6;
  box-shadow:var(--shadow-2);
}
.page-hero-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}

/* ---------- 速览条 ---------- */
.fact-strip{background:#fff;border-bottom:1px solid var(--line)}
.fact-strip-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.fact{
  display:flex;
  gap:14px;
  padding:26px 24px;
  border-left:1px dashed var(--line);
}
.fact:first-child{border-left:0}
.fact-icon{flex:0 0 auto;color:var(--court-500)}
.fact-icon svg{width:28px;height:28px}
.fact h3{font-size:15px;font-weight:600;color:var(--ink-900);margin-bottom:4px}
.fact p{font-size:13px;line-height:1.7;color:var(--text-muted)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-tint{background:var(--bg-tint)}
.section-head{max-width:740px;margin-bottom:32px}
.section-head .kicker{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--court-500);
  letter-spacing:.6px;
  margin-bottom:10px;
}
.section-head h2{font-size:30px;line-height:1.3}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-muted);line-height:1.8}

/* ---------- 指南布局 ---------- */
.guide-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start}
.guide-toc{
  position:sticky;
  top:96px;
  padding:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.guide-toc h2{font-size:14px;font-weight:600;color:var(--text-muted);letter-spacing:.4px;margin-bottom:12px}
.toc-list{display:grid;gap:2px}
.toc-link{
  display:block;
  padding:9px 12px;
  border-left:2px solid transparent;
  border-radius:10px;
  font-size:14px;
  color:var(--ink-700);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.toc-link:hover{background:var(--bg-tint);color:var(--brand-600)}
.toc-link.is-active{background:var(--brand-100);color:var(--brand-600);font-weight:600;border-left-color:var(--accent-500)}
.toc-note{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:12px;line-height:1.8;color:var(--text-muted)}

.guide-block{
  padding:32px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  margin-bottom:24px;
}
.guide-block:last-child{margin-bottom:0}
.block-head{margin-bottom:20px}
.block-title{font-size:22px;line-height:1.45;font-weight:600}
.block-desc{margin-top:8px;font-size:15px;color:var(--text-muted)}

.step-list{display:grid;gap:20px}
.step-item{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px}
.step-num{
  width:44px;
  height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:var(--accent-500);
  color:var(--accent-ink);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.step-item p{font-size:15px;line-height:1.8;color:var(--text-muted)}

.table-wrap{border:1px solid var(--line);border-radius:12px;overflow-x:auto;background:#fff}
.spec-table{min-width:520px;font-size:15px}
.spec-table th,.spec-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.spec-table thead th{background:var(--bg-tint);font-size:13px;font-weight:600;color:var(--ink-700);letter-spacing:.3px}
.spec-table tbody tr:nth-child(even){background:#FAFCFE}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table td:first-child{color:var(--ink-900);font-weight:600}
.spec-table .num{font-variant-numeric:tabular-nums}
.hint{
  margin-top:16px;
  padding:14px 16px;
  border-radius:12px;
  background:var(--bg-tint);
  font-size:14px;
  line-height:1.8;
  color:var(--ink-700);
  border-left:3px solid var(--court-500);
}

.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.read-item{padding:16px 18px;border-radius:12px;background:var(--bg-tint)}
.read-item h3{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink-900)}
.read-item h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--court-500);flex:0 0 auto}
.read-item p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--text-muted)}

.myth-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.myth-card{padding:18px;border-radius:12px;border:1px solid var(--line);background:#fff}
.myth-card.is-wrong{background:#FDF7F6;border-color:#F3DFDC}
.myth-card.is-right{background:#F4FAF7;border-color:#D8EBE1}
.myth-tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.6;margin-bottom:10px}
.is-wrong .myth-tag{background:#FBE7E5;color:var(--state-err)}
.is-right .myth-tag{background:#DFF2E8;color:var(--state-ok)}
.myth-card h3{font-size:15px;font-weight:600;margin-bottom:6px}
.myth-card p{font-size:14px;line-height:1.75;color:var(--text-muted)}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  display:flex;
  flex-direction:column;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.scene-media{overflow:hidden;background:#EDF1F6}
.scene-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform var(--ease)}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.badge{
  align-self:flex-start;
  padding:3px 10px;
  border-radius:999px;
  background:var(--court-500);
  color:#fff;
  font-size:12px;
  font-weight:600;
  line-height:1.6;
}
.scene-body h3{font-size:18px;line-height:1.5;font-weight:600}
.scene-body p{font-size:14px;line-height:1.75;color:var(--text-muted)}
.scene-meta{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-muted)}

/* ---------- FAQ ---------- */
.faq{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  position:relative;
  width:100%;
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  transition:background var(--ease);
}
.faq-q:hover{background:var(--bg-tint)}
.faq-idx{
  flex:0 0 auto;
  width:26px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.faq-arrow{margin-left:auto;flex:0 0 auto;color:var(--text-muted);transition:transform var(--ease),color var(--ease)}
.faq-arrow svg{width:18px;height:18px;display:block}
.faq-item.is-open .faq-q{background:var(--bg-tint)}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--brand-500)}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent-500)}
.faq-a{display:none;padding:0 24px 22px 64px;font-size:15px;line-height:1.85;color:var(--text-muted)}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta-block{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
  padding:48px;
  border-radius:var(--radius-card);
  background:var(--ink-900);
  color:#DCE7F2;
  box-shadow:var(--shadow-3);
}
.cta-block h2{color:#fff;font-size:30px;line-height:1.3}
.cta-block p{margin-top:14px;font-size:15px;line-height:1.85;color:#B9CBDC;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.subscribe-form{display:grid;gap:10px}
.field label{display:block;font-size:14px;font-weight:600;color:#DCE7F2;margin-bottom:6px}
.input{
  width:100%;
  height:46px;
  padding:0 14px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.input::placeholder{color:#8FA6BC}
.input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,123,196,.35);background:rgba(255,255,255,.12)}
.field.has-error .input{border-color:var(--state-err);box-shadow:none}
.form-tip{min-height:18px;font-size:13px;line-height:1.6;color:#FFB3AF}
.form-success{display:none;align-items:center;gap:8px;font-size:14px;color:#7ED9A9}
.form-success svg{width:18px;height:18px;flex:0 0 auto}
.form-note{font-size:12px;line-height:1.7;color:#8FA6BC}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#C9D8E6;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-logo{display:flex;align-items:baseline;gap:8px;margin-bottom:14px}
.footer-logo .name{font-size:20px;font-weight:700;color:#fff}
.footer-logo .sub{font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;background:rgba(195,226,60,.16);color:var(--accent-500)}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9BDCE;margin-bottom:16px;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.08);color:#C9D8E6}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#A9BDCE}
.footer-col a:hover{color:var(--accent-500)}
.footer-contact{display:grid;gap:10px;font-size:14px;color:#A9BDCE}
.footer-contact strong{color:#fff;font-weight:600}
.qr-box{
  width:104px;
  height:104px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px dashed rgba(255,255,255,.3);
  text-align:center;
  font-size:12px;
  line-height:1.6;
  color:#8FA6BC;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:#8FA6BC;
}
.footer-bottom .domain{color:#8FA6BC;font-variant-numeric:tabular-nums}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container,.nav-wrap{padding-left:24px;padding-right:24px}
  .nav-left{gap:20px}
  .nav-right{gap:14px}
  .page-hero-grid{gap:36px}
  .page-title{font-size:38px}
  .guide-layout{grid-template-columns:220px minmax(0,1fr);gap:32px}
}

@media (max-width:1023px){
  .menu-btn{display:flex}
  .nav-wrap{grid-template-columns:40px 1fr auto}
  .nav-left{display:none}
  .nav-right .nav-link{display:none}
  .brand{justify-self:center}
  .page-hero-grid{grid-template-columns:1fr;gap:28px}
  .page-hero-media{order:-1}
  .page-hero-media img{aspect-ratio:16/9}
  .page-title{font-size:34px}
  .fact-strip-inner{grid-template-columns:repeat(2,1fr)}
  .fact{border-left:0;border-top:1px dashed var(--line)}
  .fact:nth-child(-n+2){border-top:0}
  .fact:nth-child(even){border-left:1px dashed var(--line)}
  .guide-layout{grid-template-columns:1fr}
  .guide-toc{position:static;top:auto}
  .toc-list{grid-template-columns:repeat(2,1fr);gap:6px}
  .read-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .cta-block{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .section{padding:64px 0}
}

@media (max-width:767px){
  body{font-size:15px;line-height:1.8}
  .container,.nav-wrap{padding-left:18px;padding-right:18px}
  .nav-wrap{height:64px}
  .nav-link{height:64px}
  .nav-link.active::after{bottom:12px}
  .brand-name{font-size:18px}
  .brand-sub{font-size:11px}
  .page-hero{padding:26px 0 44px}
  .page-title{font-size:30px;line-height:1.28}
  .lead{font-size:15px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-facts{flex-direction:column;gap:8px;margin-top:24px}
  .section{padding:44px 0}
  .section-head h2{font-size:24px}
  .section-head p{font-size:14px}
  .fact{padding:20px 16px}
  .guide-block{padding:22px;border-radius:14px}
  .block-title{font-size:20px}
  .toc-list{grid-template-columns:1fr}
  .read-grid{grid-template-columns:1fr}
  .myth-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a{padding:0 18px 18px 58px;font-size:14px}
  .cta-block{padding:26px 20px;gap:24px}
  .cta-block h2{font-size:24px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-brand p{max-width:none}
  .footer-bottom{flex-direction:column;gap:6px}
}

@media (max-width:519px){
  .page-title{font-size:26px}
  .section-head h2{font-size:22px}
  .step-item{grid-template-columns:38px minmax(0,1fr);gap:12px}
  .step-num{width:38px;height:38px;border-radius:10px;font-size:15px}
  .fact-strip-inner{grid-template-columns:1fr}
  .fact{border-left:0;border-top:1px dashed var(--line)}
  .fact:first-child{border-top:0}
  .fact:nth-child(even){border-left:0}
  .spec-table{min-width:440px}
}

/* roulang page: category4 */
:root{
  --ink-900:#0E2A44;
  --ink-700:#1C4468;
  --brand-500:#2E7BC4;
  --brand-600:#2367A9;
  --brand-100:#E4EFF9;
  --court-500:#2AA9A0;
  --accent-500:#C3E23C;
  --accent-ink:#23310A;
  --bg-page:#F7F9FC;
  --bg-card:#FFFFFF;
  --bg-tint:#EFF4FA;
  --line:#E3EAF2;
  --text-body:#2B3846;
  --text-muted:#66788B;
  --state-ok:#2E9E6B;
  --state-warn:#D9A23A;
  --state-err:#D2544F;
  --shadow-1:0 1px 2px rgba(14,42,68,.06);
  --shadow-2:0 6px 20px rgba(14,42,68,.08);
  --shadow-3:0 14px 36px rgba(14,42,68,.12);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg-page);
  color:var(--text-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-600)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:600;line-height:1.4}
button{font-family:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:120;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .18s ease}
.site-header.scrolled{box-shadow:var(--shadow-1)}
.nav-wrap{position:relative;max-width:1200px;margin:0 auto;padding:0 32px;height:72px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.nav-left{display:flex;align-items:center;gap:28px}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:20px}
.nav-link{position:relative;display:inline-block;font-size:15px;line-height:1;font-weight:500;color:var(--ink-700);padding:6px 0;transition:color .18s ease}
.nav-link:hover{color:var(--brand-500)}
.nav-link.active{color:var(--brand-500)}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--accent-500);border-radius:2px}
.brand{display:flex;align-items:baseline;gap:8px;justify-self:center;font-size:19px;font-weight:700;color:var(--ink-900);letter-spacing:.3px;line-height:1}
.brand:hover{color:var(--ink-900)}
.brand-sub{font-size:12px;font-weight:600;color:var(--brand-600);background:var(--brand-100);padding:4px 9px;border-radius:999px;line-height:1}
.menu-btn{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink-700);align-items:center;justify-content:center;cursor:pointer;transition:background .18s,color .18s,border-color .18s}
.menu-btn:hover{background:var(--brand-100);color:var(--brand-600);border-color:var(--brand-100)}
.menu-btn svg{width:20px;height:20px}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;padding:13px 24px;cursor:pointer;text-align:center;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink-700);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none}

/* ============ drawer ============ */
.drawer{position:fixed;top:0;left:0;bottom:0;width:78vw;max-width:330px;background:#fff;z-index:220;transform:translateX(-100%);transition:transform .22s ease;display:flex;flex-direction:column;box-shadow:var(--shadow-3);overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-brand{display:flex;align-items:baseline;gap:8px;font-size:17px;font-weight:700;color:var(--ink-900)}
.drawer-brand span{font-size:11px;font-weight:600;color:var(--brand-600);background:var(--brand-100);padding:3px 8px;border-radius:999px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink-700);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.drawer-close:hover{background:var(--bg-tint)}
.drawer-nav{padding:14px 20px;display:flex;flex-direction:column}
.drawer-nav a{display:block;padding:13px 0;font-size:15px;color:var(--ink-700);border-bottom:1px solid var(--line)}
.drawer-nav a:hover{color:var(--brand-500)}
.drawer-nav a.active{color:var(--brand-500);font-weight:600}
.drawer-foot{padding:20px;margin-top:auto}
.drawer-overlay{position:fixed;inset:0;background:rgba(14,42,68,.42);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:210}
.drawer-overlay.open{opacity:1;visibility:visible}

/* ============ page head ============ */
.page-head{background:var(--bg-tint);border-bottom:1px solid var(--line);padding:36px 0 48px}
.breadcrumb{font-size:13px;color:var(--text-muted);margin-bottom:18px;line-height:1.6}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .sep{margin:0 7px;color:#B9C6D4}
.breadcrumb .current{color:var(--ink-700);font-weight:600}
.page-head-grid{display:grid;grid-template-columns:1.3fr .85fr;gap:44px;align-items:center}
.page-head h1{font-size:38px;line-height:1.32;font-weight:700;color:var(--ink-900);margin-bottom:16px}
.page-lead{font-size:16px;color:var(--text-muted);margin:0 0 20px;max-width:560px}
.head-tags{display:flex;flex-wrap:wrap;gap:8px}
.head-tags span{font-size:12px;font-weight:600;color:var(--brand-600);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.page-head-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-2)}
.page-head-media img{width:100%;height:270px;object-fit:cover}

/* ============ section basics ============ */
.section{padding:78px 0}
.section--tint{background:var(--bg-tint)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section-title{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink-900);margin-bottom:8px}
.section-desc{font-size:15px;color:var(--text-muted);margin:0;max-width:640px}
.section-link{font-size:15px;font-weight:600;white-space:nowrap}

/* ============ timeline ============ */
.timeline{position:relative;margin-left:8px;padding-left:36px}
.timeline::before{content:"";position:absolute;left:0;top:14px;bottom:18px;width:2px;background:var(--line);border-radius:2px}
.tl-item{position:relative;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{content:"";position:absolute;left:-43px;top:26px;width:14px;height:14px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 4px var(--bg-page);z-index:1}
.tl-card{display:grid;grid-template-columns:1fr 210px;gap:24px;align-items:center;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:24px 26px;transition:transform .18s ease,box-shadow .18s ease}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.tl-date{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);font-variant-numeric:tabular-nums;letter-spacing:.2px}
.tl-date::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.tl-card h3{font-size:20px;font-weight:600;color:var(--ink-900);margin:10px 0 8px}
.tl-card p{margin:0 0 14px;font-size:15px;line-height:1.75;color:var(--text-muted)}
.tl-thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:#EDF1F6}
.tl-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease}
.tl-card:hover .tl-thumb img{transform:scale(1.03)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-500)}
.link-arrow:hover{color:var(--brand-600)}
.link-arrow svg{width:14px;height:14px;transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ badges ============ */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;background:var(--court-500);color:#fff}
.badge--soft{background:var(--brand-100);color:var(--brand-600)}
.badge--accent{background:var(--accent-500);color:var(--accent-ink)}

/* ============ wide cards ============ */
.wide-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.wide-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease}
.wide-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.wide-thumb{aspect-ratio:16/10;overflow:hidden;background:#EDF1F6}
.wide-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease}
.wide-card:hover .wide-thumb img{transform:scale(1.03)}
.wide-body{padding:24px 26px 28px}
.wide-body h3{font-size:20px;font-weight:600;color:var(--ink-900);margin:12px 0 10px}
.wide-body p{margin:0 0 18px;font-size:15px;line-height:1.75;color:var(--text-muted)}

/* ============ stats ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow-1)}
.stat-num{position:relative;font-size:34px;font-weight:700;line-height:1.2;color:var(--ink-900);font-variant-numeric:tabular-nums;padding-bottom:14px}
.stat-num::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:3px;border-radius:2px;background:var(--accent-500)}
.stat-label{margin-top:14px;font-size:14px;color:var(--text-muted);line-height:1.7}

/* ============ FAQ ============ */
.faq{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{position:relative;width:100%;display:flex;align-items:center;gap:14px;padding:20px 24px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);cursor:pointer;transition:background .18s ease,color .18s ease}
.faq-q:hover{background:var(--bg-tint)}
.faq-q .num{flex:0 0 28px;width:28px;height:28px;border-radius:8px;background:var(--brand-100);color:var(--brand-600);display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.faq-q .arrow{margin-left:auto;color:var(--text-muted);transition:transform .18s ease;flex:0 0 auto}
.faq-q .arrow svg{width:16px;height:16px;display:block}
.faq-item.open .faq-q{color:var(--brand-600)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-item.open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--accent-500)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-item.open .faq-a{max-height:300px}
.faq-a p{margin:0;padding:0 24px 22px 66px;font-size:15px;line-height:1.8;color:var(--text-muted)}

/* ============ CTA band ============ */
.cta-band{background:var(--ink-900);color:#fff;padding:64px 0}
.cta-inner{display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:700;color:#fff;margin-bottom:12px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.72);margin:0 0 22px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-light{background:#fff;color:var(--ink-900)}
.cta-band .btn-light:hover{background:var(--brand-100);color:var(--ink-900)}
.cta-band .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.36)}
.cta-band .btn-outline:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
.sub-form{display:flex;flex-direction:column;gap:10px}
.sub-form label{font-size:14px;font-weight:600;color:rgba(255,255,255,.86)}
.sub-row{display:flex;gap:10px}
.sub-row input{flex:1;height:46px;border-radius:10px;border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.08);padding:0 14px;font-size:15px;color:#fff;transition:border-color .18s ease,box-shadow .18s ease}
.sub-row input::placeholder{color:rgba(255,255,255,.45)}
.sub-row input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,123,196,.35)}
.sub-row input.is-error{border-color:var(--state-err)}
.form-msg{font-size:13px;line-height:1.6;min-height:20px}
.form-msg.error{color:#FFB4B0}
.form-msg.success{color:#8FE0B8}
.form-note{font-size:12px;color:rgba(255,255,255,.5);margin:0}

/* ============ footer ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-logo{display:flex;align-items:baseline;gap:8px;margin-bottom:14px}
.footer-logo .name{font-size:20px;font-weight:700;color:#fff;line-height:1}
.footer-logo .sub{font-size:12px;font-weight:600;color:var(--accent-ink);background:var(--accent-500);padding:4px 9px;border-radius:999px;line-height:1}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0 0 16px;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{font-size:12px;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:5px 11px;color:rgba(255,255,255,.8)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent-500)}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:14px;line-height:1.7}
.footer-contact strong{color:#fff;font-weight:600}
.qr-box{width:106px;height:106px;margin-top:8px;border:1px dashed rgba(255,255,255,.28);border-radius:12px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.6;color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom .domain{font-variant-numeric:tabular-nums;letter-spacing:.4px}

/* ============ responsive ============ */
@media (max-width:1279px){
  .container{padding:0 24px}
  .nav-wrap{padding:0 24px;gap:12px}
  .nav-left{gap:22px}
  .nav-right{gap:14px}
  .cta-inner{grid-template-columns:1fr 380px;gap:36px}
}

@media (max-width:1023px){
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 18px}
  .nav-left{display:none}
  .nav-right .nav-link{display:none}
  .menu-btn{display:inline-flex}
  .brand{position:absolute;left:50%;transform:translateX(-50%);font-size:17px}
  .brand-sub{font-size:11px;padding:3px 8px}
  .page-head-grid{grid-template-columns:1fr;gap:28px}
  .page-head-media img{height:230px}
  .page-head h1{font-size:32px}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-title{font-size:26px}
  .tl-card{grid-template-columns:1fr;gap:18px}
  .tl-thumb{aspect-ratio:16/9}
  .timeline{padding-left:30px}
  .tl-item::before{left:-37px;top:22px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:767px){
  .container{padding:0 18px}
  .page-head{padding:26px 0 36px}
  .page-head h1{font-size:26px;line-height:1.35}
  .page-lead{font-size:15px}
  .page-head-media img{height:200px}
  .section{padding:44px 0}
  .section-title{font-size:23px}
  .section-desc{font-size:14px}
  .tl-card{padding:20px}
  .tl-card h3{font-size:18px}
  .wide-grid{grid-template-columns:1fr}
  .wide-body{padding:20px}
  .wide-body h3{font-size:18px}
  .stat{padding:20px}
  .stat-num{font-size:28px}
  .faq-q{padding:16px 18px;font-size:15px;gap:10px}
  .faq-a p{padding:0 18px 18px 56px;font-size:14px}
  .cta-band{padding:48px 0}
  .cta-band h2{font-size:24px}
  .sub-row{flex-direction:column}
  .sub-row .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

@media (max-width:520px){
  .brand{font-size:16px}
  .nav-right .btn-sm{padding:8px 12px;font-size:13px}
  .stats{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .timeline{padding-left:26px}
  .tl-item::before{left:-33px;width:12px;height:12px}
}
