/* roulang page: index */
:root{
  --c-primary:#1F5AE0;
  --c-primary-deep:#123C9E;
  --c-primary-soft:#E8EFFE;
  --c-accent:#00B894;
  --c-accent-soft:#E3F8F3;
  --c-warm:#FF7A45;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-text:#101B2D;
  --c-text-sub:#5B6B85;
  --c-line:#E3E9F2;
  --c-dark:#101F3A;
  --c-dark-2:#16294A;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(16,27,45,.06);
  --shadow-2:0 12px 28px rgba(16,27,45,.10);
  --container:1200px;
  --section-gap:96px;
  --font-num:"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;color:var(--c-text);}
h1{font-size:40px;line-height:1.28;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;font-weight:600;line-height:1.45;}
p{margin:0;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding-top:var(--section-gap);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:14px;
}
.section-head p.sub{
  margin-top:10px;
  font-size:15px;
  color:var(--c-text-sub);
  max-width:640px;
}
.more-link{
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.more-link i{font-size:12px;transition:transform .18s ease;}
.more-link:hover i{transform:translateX(4px);}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:900;
  padding:16px 0;
  transition:padding .22s ease;
}
.site-header.is-scrolled{padding:8px 0;}
.nav-capsule{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
  padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--c-line);
  box-shadow:var(--shadow-1);
  transition:height .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled .nav-capsule{height:60px;box-shadow:var(--shadow-2);}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--c-text);
  font-weight:700;
}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:34px;height:34px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;
  font-size:15px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.brand-text{
  font-size:15px;
  white-space:nowrap;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  display:inline-block;
  padding:9px 16px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--c-text-sub);
  font-weight:500;
  white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}
.nav-cta{
  flex-shrink:0;
  height:44px;
  padding:0 22px;
  display:inline-flex;
  align-items:center;
  border-radius:var(--r-pill);
  background:var(--c-primary);
  color:#fff;
  font-size:15px;
  font-weight:600;
  border:1px solid var(--c-primary);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid var(--c-line);
  background:#fff;
  margin-left:auto;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--c-text);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-md);
  font-size:16px;
  font-weight:600;
  border:1px solid transparent;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn:focus-visible,.nav-cta:focus-visible,.nav-link:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-warm{background:var(--c-warm);color:#fff;border-color:var(--c-warm);}
.btn-warm:hover{background:#f0682f;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--c-text);border-color:var(--c-line);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}

/* ============ Hero ============ */
.hero{
  padding-top:132px;
  padding-bottom:24px;
}
.hero-grid{
  display:grid;
  grid-template-columns:45fr 55fr;
  gap:48px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
}
.hero-tag .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);
  box-shadow:0 0 0 4px rgba(0,184,148,.16);
}
.hero h1{margin-top:20px;}
.hero h1 .hl{color:var(--c-primary);}
.hero-sub{
  margin-top:18px;
  font-size:17px;
  color:var(--c-text-sub);
  max-width:460px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid var(--c-line);
}
.hero-badge b{
  display:block;
  font-family:var(--font-num);
  font-size:22px;
  font-weight:700;
  color:var(--c-accent);
  line-height:1.2;
}
.hero-badge span{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:var(--c-text-sub);
}
.hero-media{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  aspect-ratio:9/16;
  max-height:560px;
  border:1px solid var(--c-line);
  box-shadow:var(--shadow-2);
  background:var(--c-dark);
}
.hero-media img{
  width:100%;height:100%;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(31,90,224,.12) 0%,rgba(16,31,58,0) 42%,rgba(16,31,58,.72) 100%);
}
.hero-media-caption{
  position:absolute;
  left:24px;right:88px;bottom:24px;
  z-index:3;
  color:#fff;
}
.hero-media-caption strong{
  display:block;
  font-size:17px;
  font-weight:700;
}
.hero-media-caption span{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:rgba(255,255,255,.82);
}
.play-btn{
  position:absolute;
  right:20px;bottom:20px;
  z-index:3;
  width:56px;height:56px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  transition:background .18s ease,transform .18s ease;
}
.play-btn::before{
  content:"";
  display:block;
  width:0;height:0;
  border-left:14px solid #fff;
  border-top:9px solid transparent;
  border-bottom:9px solid transparent;
  margin-left:4px;
}
.play-btn:hover{background:rgba(255,255,255,.36);transform:scale(1.05);}
.hero-side-badge{
  position:absolute;
  left:20px;top:20px;
  z-index:3;
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(16,31,58,.6);
  color:#fff;
  font-size:12px;
  font-weight:600;
}

/* ============ 深色入口面板 ============ */
.panel-dark{
  background:linear-gradient(150deg,var(--c-dark) 0%,var(--c-dark-2) 100%);
  border-radius:24px;
  padding:52px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.panel-dark::before{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,184,148,.28),rgba(0,184,148,0) 68%);
}
.panel-dark-inner{position:relative;z-index:2;}
.panel-dark h2{color:#fff;}
.panel-dark .panel-sub{
  margin-top:14px;
  font-size:16px;
  color:rgba(255,255,255,.72);
  max-width:620px;
}
.panel-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:36px;
}
.panel-item{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);
  padding:24px;
  transition:background .18s ease,transform .18s ease,border-color .18s ease;
}
.panel-item:hover{background:rgba(255,255,255,.11);border-color:rgba(0,184,148,.5);transform:translateY(-2px);}
.panel-item i{
  font-size:18px;
  color:var(--c-accent);
}
.panel-item h3{
  color:#fff;
  font-size:17px;
  margin-top:14px;
}
.panel-item p{
  margin-top:10px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.7);
}

/* ============ 横向滑动轨道 ============ */
.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:4px 4px 20px;
  scroll-snap-type:x proximity;
  -ms-overflow-style:none;
  scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:var(--r-pill);}
.rail::-webkit-scrollbar-track{background:transparent;}

.clip-card{
  flex:0 0 280px;
  scroll-snap-align:start;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.clip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-soft);}
.clip-cover{
  position:relative;
  aspect-ratio:3/4;
  overflow:hidden;
  background:var(--c-primary-soft);
}
.clip-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .28s ease;
}
.clip-card:hover .clip-cover img{transform:scale(1.03);}
.clip-badge-time{
  position:absolute;
  left:10px;top:10px;
  height:24px;
  padding:0 10px;
  display:inline-flex;align-items:center;
  border-radius:var(--r-pill);
  background:rgba(16,27,45,.66);
  color:#fff;
  font-size:12px;
  font-family:var(--font-num);
}
.clip-badge-views{
  position:absolute;
  right:10px;bottom:10px;
  height:24px;
  padding:0 10px;
  display:inline-flex;align-items:center;
  gap:5px;
  border-radius:var(--r-pill);
  background:var(--c-accent);
  color:#fff;
  font-size:12px;
  font-weight:600;
}
.clip-body{padding:16px 18px 20px;}
.clip-body h3{
  font-size:16px;
  line-height:1.55;
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:50px;
}
.clip-body .clip-meta{
  margin-top:10px;
  font-size:13px;
  color:var(--c-text-sub);
  display:flex;
  align-items:center;
  gap:8px;
}

/* ============ 种草清单 ============ */
.seed-list{
  background:rgba(232,239,254,.5);
  border:1px solid var(--c-line);
  border-radius:24px;
  padding:12px 32px;
}
.seed-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:24px 0;
  border-bottom:1px solid var(--c-line);
}
.seed-item:last-child{border-bottom:none;}
.seed-no{
  flex-shrink:0;
  width:40px;height:40px;
  border-radius:50%;
  border:1.5px solid var(--c-primary);
  color:var(--c-primary);
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  background:#fff;
}
.seed-text{flex:1;min-width:0;}
.seed-text h3{font-size:17px;}
.seed-text p{
  margin-top:6px;
  font-size:14px;
  color:var(--c-text-sub);
}
.seed-go{
  flex-shrink:0;
  width:32px;height:32px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.seed-go:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);transform:translateX(3px);}

/* ============ 资讯列表 ============ */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.filter-tag{
  height:34px;
  padding:0 16px;
  display:inline-flex;
  align-items:center;
  border-radius:var(--r-pill);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  color:var(--c-text-sub);
  font-size:14px;
}
.filter-tag.is-on{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
  font-weight:600;
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.news-card{
  display:flex;
  gap:18px;
  padding:24px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-soft);}
.news-main{flex:1;min-width:0;display:flex;flex-direction:column;}
.news-main h3{
  font-size:17px;
  line-height:1.55;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-main h3 a{color:var(--c-text);}
.news-main h3 a:hover{color:var(--c-primary);text-decoration:underline;}
.news-sum{
  margin-top:10px;
  font-size:14px;
  color:var(--c-text-sub);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:16px;
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--c-text-sub);
}
.badge-soft{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  background:var(--c-primary-soft);
  color:var(--c-primary);
}
.badge-accent{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  background:var(--c-accent-soft);
  color:var(--c-accent);
}
.news-thumb{
  flex-shrink:0;
  width:120px;height:90px;
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);
  font-size:22px;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-link{
  margin-top:auto;
  padding-top:14px;
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.news-empty{
  grid-column:1/-1;
  text-align:center;
  padding:64px 24px;
  background:var(--c-surface);
  border:1px dashed var(--c-line);
  border-radius:var(--r-lg);
}
.news-empty i{
  font-size:30px;
  color:var(--c-primary);
}
.news-empty p{
  margin-top:14px;
  color:var(--c-text-sub);
  font-size:15px;
}

/* ============ 口碑条 ============ */
.review-card{
  flex:0 0 320px;
  scroll-snap-align:start;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:24px 24px 24px 28px;
  position:relative;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.review-card::before{
  content:"";
  position:absolute;
  left:0;top:20px;bottom:20px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--c-primary);
}
.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(--c-primary);
  color:#fff;
  font-size:16px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.review-name{font-size:14px;font-weight:600;}
.review-stars{
  margin-top:2px;
  font-size:12px;
  color:var(--c-warm);
  display:flex;align-items:center;gap:6px;
}
.review-stars em{
  font-style:normal;
  color:var(--c-text-sub);
}
.review-text{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:var(--c-text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.review-meta{
  margin-top:14px;
  font-size:13px;
  color:var(--c-text-sub);
}

/* ============ FAQ ============ */
.faq-list{
  display:grid;
  gap:14px;
  max-width:900px;
}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item.is-open{border-color:var(--c-primary);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 24px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-text);
}
.faq-mark{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:13px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.faq-arrow{
  margin-left:auto;
  flex-shrink:0;
  font-size:13px;
  color:var(--c-text-sub);
  transition:transform .2s ease,color .2s ease;
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--c-primary);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a-inner{
  padding:0 24px 22px 64px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-text-sub);
}

/* ============ CTA ============ */
.cta-block{
  background:var(--c-primary-soft);
  border:1px solid #D6E2FC;
  border-radius:24px;
  padding:64px 40px;
  text-align:center;
}
.cta-block h2{max-width:720px;margin:0 auto;}
.cta-block p{
  margin:16px auto 0;
  max-width:640px;
  font-size:16px;
  color:var(--c-text-sub);
}
.cta-actions{
  margin-top:30px;
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:14px;
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--section-gap);
  background:#EFF3FA;
  border-top:1px solid var(--c-line);
  padding-bottom:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding:64px 0 40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:16px;
}
.footer-about{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:var(--c-text-sub);
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  margin-bottom:18px;
}
.footer-col li{margin-bottom:12px;}
.footer-col a{
  font-size:14px;
  color:var(--c-text-sub);
}
.footer-col a:hover{color:var(--c-primary);}
.footer-col p{
  font-size:14px;
  color:var(--c-text-sub);
  line-height:1.85;
}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:var(--c-text-sub);
}

/* ============ 移动端吸底 CTA ============ */
.mobile-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:950;
  height:64px;
  padding:0 16px;
  display:none;
  align-items:center;
  gap:12px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--c-line);
  box-shadow:0 -6px 20px rgba(16,27,45,.08);
  transform:translateY(100%);
  opacity:0;
  transition:transform .28s ease,opacity .28s ease;
}
.mobile-cta.is-show{transform:translateY(0);opacity:1;}
.mobile-cta .mobile-cta-text{
  font-size:13px;
  color:var(--c-text-sub);
  flex-shrink:0;
  line-height:1.35;
}
.mobile-cta .btn{flex:1;height:46px;font-size:15px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--section-gap:88px;}
  h1{font-size:34px;}
  h2{font-size:25px;}
  .panel-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  :root{--section-gap:72px;}
  .container{padding-left:24px;padding-right:24px;}
  .hero{padding-top:118px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{max-height:520px;order:-1;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-list,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-capsule{height:64px;}
  .site-header.is-scrolled .nav-capsule{height:58px;}
  .nav-list.is-open{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    padding:12px;
    background:rgba(255,255,255,.98);
    border:1px solid var(--c-line);
    border-radius:20px;
    box-shadow:var(--shadow-2);
  }
  .nav-list.is-open .nav-link{
    padding:0 16px;
    height:48px;
    line-height:48px;
    border-radius:14px;
    font-size:15px;
  }
  .nav-capsule{position:relative;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .review-card{flex:0 0 88%;}
  .clip-card{flex:0 0 78%;}
  .rail{scroll-snap-type:x mandatory;}
  .panel-dark{padding:32px 24px;border-radius:20px;}
  .panel-grid{grid-template-columns:1fr;}
  .seed-list{padding:8px 20px;}
  .seed-item{gap:14px;}
  .news-card{flex-direction:column-reverse;}
  .news-thumb{width:100%;height:150px;}
  .cta-block{padding:44px 22px;}
  .mobile-cta{display:flex;}
  .site-footer{padding-bottom:96px;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:26px;}
  h2{font-size:21px;}
  h3{font-size:17px;}
  .hero{padding-top:104px;}
  .hero-media{aspect-ratio:4/5;}
  .hero-badges{gap:20px;}
  .hero-badge b{font-size:19px;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .nav-cta{width:auto;}
  .clip-card{flex:0 0 82%;}
  .panel-dark{border-radius:18px;}
}

/* roulang page: article */
:root{
  --c-primary:#1F5AE0;
  --c-primary-deep:#123C9E;
  --c-primary-soft:#E8EFFE;
  --c-accent:#00B894;
  --c-accent-soft:#E4F8F3;
  --c-warm:#FF7A45;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-text:#101B2D;
  --c-text-sub:#5B6B85;
  --c-line:#E3E9F2;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(16,27,45,.06);
  --shadow-2:0 12px 28px rgba(16,27,45,.10);
  --sp-section:96px;
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"SFMono-Regular",ui-monospace,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;color:var(--c-text);}
p{margin:0;}
ul,ol{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  padding:18px 0;
  transition:padding .25s ease;
}
.site-header.is-scrolled{padding:10px 0;}
.nav-capsule{
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-capsule{
  background:rgba(255,255,255,.95);
  box-shadow:0 8px 22px rgba(16,27,45,.09);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(140deg,#2F6BEE,var(--c-primary-deep));
  color:#fff;
  display:grid;place-items:center;
  font-size:16px;font-weight:700;
  flex:0 0 auto;
}
.brand-text{font-size:17px;font-weight:700;color:var(--c-text);white-space:nowrap;}
.brand:hover .brand-text{color:var(--c-primary);}
.nav-list{
  display:flex;align-items:center;gap:6px;
  list-style:none;margin:0 0 0 auto;padding:0;
}
.nav-link{
  display:inline-block;
  padding:9px 16px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--c-text-sub);
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-soft);font-weight:600;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--c-primary);
  color:#fff;font-size:15px;font-weight:600;
  white-space:nowrap;
  flex:0 0 auto;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-line);
  border-radius:12px;
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  cursor:pointer;
  padding:0;
  margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 文章头部 ---------- */
.article-hero{
  padding:150px 0 40px;
  background:
    radial-gradient(120% 90% at 12% 0%,rgba(31,90,224,.10) 0%,rgba(31,90,224,0) 58%),
    linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
}
.breadcrumb-nav{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--c-text-sub);
  margin-bottom:22px;
  line-height:1.6;
}
.breadcrumb-nav a{color:var(--c-text-sub);}
.breadcrumb-nav a:hover{color:var(--c-primary);}
.breadcrumb-nav .sep{color:#B6C2D6;}
.breadcrumb-nav .current{color:var(--c-primary);font-weight:600;}
.badge-soft{
  display:inline-flex;align-items:center;
  height:24px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:12px;font-weight:600;
  white-space:nowrap;
}
.badge-accent{
  display:inline-flex;align-items:center;
  height:24px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--c-accent-soft);
  color:#04836C;
  font-size:12px;font-weight:600;
}
.article-head{margin-top:16px;}
.article-head h1{
  font-size:40px;
  line-height:1.32;
  margin:16px 0 18px;
  max-width:920px;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:14px;
  font-size:13px;color:var(--c-text-sub);
  padding-bottom:22px;
  border-bottom:1px solid var(--c-line);
}
.meta-row .meta-dot{width:4px;height:4px;border-radius:50%;background:#C4CFE0;}

/* ---------- 正文 ---------- */
.article-section{padding:56px 0 var(--sp-section);}
.article-body{
  max-width:760px;
  margin:0 auto;
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;
  font-size:26px;
  line-height:1.45;
  margin:44px 0 18px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.34em;
  width:4px;height:18px;
  border-radius:2px;
  background:var(--c-primary);
}
.article-body h3{
  font-size:19px;
  font-weight:600;
  color:var(--c-primary-deep);
  margin:30px 0 12px;
}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 1.4em;line-height:1.9;}
.article-body li{margin-bottom:.45em;}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border-left:4px solid var(--c-accent);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:#F1FBF8;
  color:var(--c-text-sub);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:var(--r-md);
  margin:26px auto;
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--c-text-sub);
  margin-top:10px;
}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(31,90,224,.35);}
.article-body a:hover{border-bottom-color:var(--c-primary);}
.article-body strong{color:var(--c-primary-deep);}
.article-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  margin:26px 0;
  font-size:15px;
}
.article-body thead th{
  background:var(--c-primary-soft);
  color:var(--c-primary-deep);
  font-weight:600;
  text-align:left;
}
.article-body th,.article-body td{
  padding:12px 16px;
  border-bottom:1px solid var(--c-line);
  line-height:1.7;
}
.article-body tbody tr:nth-child(even){background:#FAFBFE;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:56px 28px;
}
.empty-icon{
  width:56px;height:56px;
  margin:0 auto 18px;
  border-radius:50%;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  display:grid;place-items:center;
  font-size:24px;font-weight:700;
}
.empty-title{font-size:20px;font-weight:700;margin-bottom:8px;}
.empty-desc{font-size:15px;color:var(--c-text-sub);margin-bottom:24px;}

/* ---------- 按钮 ---------- */
.btn-primary,
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  border-radius:var(--r-md);
  font-size:16px;font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);border-color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-warm{background:var(--c-warm);border-color:var(--c-warm);color:#fff;}
.btn-warm:hover{background:#EF6A34;border-color:#EF6A34;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}

/* ---------- 结尾区 ---------- */
.article-foot{padding:0 0 var(--sp-section);}
.tag-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  padding:22px 0;
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  margin-bottom:48px;
}
.tag-row .tag-label{font-size:13px;color:var(--c-text-sub);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;
  height:28px;padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:13px;
  transition:background-color .18s ease,color .18s ease;
}
.tag:hover{background:var(--c-primary);color:#fff;}

.section-title-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:24px;
}
.section-title-row h2{font-size:26px;line-height:1.4;}
.section-title-row .sub{font-size:14px;color:var(--c-text-sub);}

.related-list{display:flex;flex-direction:column;gap:16px;max-width:860px;}
.related-item{
  display:flex;gap:20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.related-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-soft);}
.related-thumb{
  width:140px;flex:0 0 140px;
  aspect-ratio:4/3;
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--c-primary-soft);
}
.related-thumb img{width:100%;height:100%;object-fit:cover;}
.related-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.related-body h3{
  font-size:18px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .18s ease;
}
.related-item:hover .related-body h3{color:var(--c-primary);}
.related-body p{
  font-size:14px;
  color:var(--c-text-sub);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-foot{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:13px;color:var(--c-text-sub);}

.foot-action{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:40px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:26px 28px;
  box-shadow:var(--shadow-1);
}
.foot-action p{font-size:15px;color:var(--c-text-sub);max-width:620px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#F1F4FA;
  border-top:1px solid var(--c-line);
  padding:64px 0 24px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid var(--c-line);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;
  color:var(--c-text);
  margin-bottom:14px;
}
.footer-about{font-size:14px;line-height:1.85;color:var(--c-text-sub);max-width:340px;}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--c-primary);
  margin-bottom:16px;
}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--c-text-sub);}
.footer-col ul a:hover{color:var(--c-primary);}
.footer-col p{font-size:14px;line-height:1.85;color:var(--c-text-sub);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:var(--c-text-sub);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding-left:28px;padding-right:28px;}
}
@media (max-width:991px){
  :root{--sp-section:72px;}
  .container{padding-left:24px;padding-right:24px;}
  .article-head h1{font-size:32px;}
  .article-body h2{font-size:23px;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-list{
    position:fixed;
    left:16px;right:16px;top:86px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:20px;
    box-shadow:var(--shadow-2);
    padding:12px;
    display:none;
    max-height:calc(100vh - 120px);
    overflow-y:auto;
  }
  .nav-list.is-open{display:flex;}
  .nav-link{display:block;padding:12px 16px;line-height:24px;border-radius:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .site-header{padding:12px 0;}
  .article-hero{padding:130px 0 34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;margin:34px 0 14px;}
  .article-body h3{font-size:17px;}
  .related-item{flex-direction:column;}
  .related-thumb{width:100%;flex:0 0 auto;aspect-ratio:16/10;}
  .section-title-row h2{font-size:22px;}
  .foot-action{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .article-hero{padding:118px 0 28px;}
  .article-head h1{font-size:26px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:30px;height:30px;font-size:14px;}
  .nav-capsule{padding:8px 10px 8px 14px;gap:12px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .btn-primary,.btn-ghost{width:100%;}
  .foot-action{padding:22px 18px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1F5AE0;
  --c-primary-deep:#123C9E;
  --c-primary-soft:#E8EFFE;
  --c-accent:#00B894;
  --c-accent-soft:#E1F7F2;
  --c-warm:#FF7A45;
  --c-ink:#0E1930;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-text:#101B2D;
  --c-text-sub:#5B6B85;
  --c-line:#E3E9F2;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(16,27,45,.06);
  --shadow-2:0 12px 28px rgba(16,27,45,.10);
  --sp-section:96px;
  --font-base:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,opacity .18s ease}
a:hover{color:var(--c-primary-deep)}
button{font:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--c-text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:32px}
.section{padding-block:var(--sp-section)}
.section-sm{padding-block:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:28px}
.section-head .sub{color:var(--c-text-sub);font-size:15px;max-width:640px;margin-top:10px}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:900;padding-top:16px;transition:padding-top .22s ease}
.site-header .container{max-width:1240px}
.nav-capsule{
  display:flex;align-items:center;gap:20px;
  height:72px;padding:0 14px 0 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--c-line);
  box-shadow:var(--shadow-1);
  transition:height .22s ease,background .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{padding-top:10px}
.site-header.is-scrolled .nav-capsule{height:60px;background:rgba(255,255,255,.95);box-shadow:var(--shadow-2)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 4px 12px rgba(31,90,224,.28);
}
.brand-text{font-size:16px;font-weight:700;color:var(--c-text);white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1}
.nav-link{display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:var(--r-pill);font-size:15px;color:var(--c-text-sub);transition:background .18s ease,color .18s ease}
.nav-link:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--c-warm);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 6px 16px rgba(255,122,69,.28);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-cta:hover{background:#f06a34;color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,122,69,.32)}
.nav-cta:active{transform:translateY(0);box-shadow:0 4px 10px rgba(255,122,69,.24)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:5px;background:var(--c-primary-soft)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-toggle span+span{margin-top:0}

/* ---------- 面包屑 ---------- */
.breadcrumb-nav{font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px}
.breadcrumb-nav a{color:rgba(255,255,255,.9)}
.breadcrumb-nav a:hover{color:#fff;text-decoration:underline}
.breadcrumb-nav .sep{margin:0 8px;opacity:.6}
.breadcrumb-nav .current{color:#8FD9CB}

/* ---------- 分类说明条（版式 A 顶部） ---------- */
.cat-banner{position:relative;overflow:hidden;background:var(--c-ink);padding:150px 0 76px;color:#fff}
.cat-banner-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.26}
.cat-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,25,48,.88) 0%,rgba(18,60,158,.80) 100%)}
.cat-banner-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.pill-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(0,184,148,.16);color:#7BE3CD;font-size:12px;font-weight:600;border:1px solid rgba(0,184,148,.32);
}
.cat-banner h1{font-size:40px;color:#fff;margin:20px 0 16px}
.cat-banner .banner-sub{font-size:17px;line-height:1.9;color:rgba(255,255,255,.82);max-width:560px}
.banner-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.cat-points{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  padding:28px;
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.cat-points li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.cat-points li:last-child{border-bottom:0;padding-bottom:0}
.cat-points li:first-child{padding-top:0}
.point-num{
  width:32px;height:32px;flex:none;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(123,227,205,.55);color:#7BE3CD;
  font-family:var(--font-num);font-size:13px;font-weight:700;
}
.point-text strong{display:block;font-size:15px;color:#fff;font-weight:600}
.point-text span{font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.7}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-main{background:var(--c-warm);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.28)}
.btn-main:hover{background:#f06a34;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-main:active{transform:translateY(0);box-shadow:0 4px 10px rgba(255,122,69,.24)}
.btn-line{border:1px solid var(--c-primary);color:var(--c-primary);background:transparent}
.btn-line:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-1px)}

/* ---------- 标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;
  border-radius:var(--r-pill);background:var(--c-surface);
  border:1px solid var(--c-line);font-size:14px;color:var(--c-text-sub);
  transition:all .18s ease;
}
.tag-chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);transform:translateY(-2px)}
.tag-chip.is-key{background:var(--c-primary-soft);color:var(--c-primary);border-color:#CFDDFB;font-weight:600}

/* ---------- 双列图文卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.entry-card{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:20px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-soft)}
.entry-thumb{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;background:var(--c-primary-soft)}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.04)}
.entry-body{display:flex;flex-direction:column;min-width:0}
.entry-meta{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.badge-soft{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary)}
.badge-accent{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--c-accent-soft);color:#0A8F73}
.entry-time{font-size:13px;color:var(--c-text-sub)}
.entry-card h3{font-size:18px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-card:hover h3{color:var(--c-primary)}
.entry-desc{font-size:14.5px;color:var(--c-text-sub);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.entry-more{margin-top:auto;font-size:14px;color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.entry-more::after{content:"›";font-size:17px;line-height:1;transition:transform .18s ease}
.entry-card:hover .entry-more::after{transform:translateX(3px)}

/* ---------- 状态速查（深色面板） ---------- */
.status-panel{
  background:var(--c-ink);
  border-radius:24px;
  padding:56px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.status-panel::before{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,90,224,.55) 0%,rgba(31,90,224,0) 70%);
}
.status-panel::after{
  content:"";position:absolute;width:320px;height:320px;left:-120px;bottom:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,184,148,.35) 0%,rgba(0,184,148,0) 70%);
}
.status-head{position:relative;z-index:2;max-width:620px;margin-bottom:40px}
.status-head h2{color:#fff;font-size:28px;margin-bottom:12px}
.status-head p{color:rgba(255,255,255,.72);font-size:15px}
.status-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.status-cell{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:24px}
.status-cell .num{font-family:var(--font-num);font-size:26px;font-weight:700;color:#7BE3CD;line-height:1.2}
.status-cell .label{font-size:14px;color:#fff;font-weight:600;margin-top:8px}
.status-cell .note{font-size:13px;color:rgba(255,255,255,.62);margin-top:6px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin-inline:auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item.is-open{border-color:#CFDDFB;box-shadow:var(--shadow-1)}
.faq-q{display:flex;align-items:center;gap:14px;width:100%;padding:20px 22px;text-align:left}
.faq-mark{
  width:28px;height:28px;flex:none;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:14px;font-weight:700;
}
.faq-title{flex:1;font-size:16px;font-weight:600;color:var(--c-text)}
.faq-caret{width:18px;height:18px;flex:none;position:relative;transition:transform .2s ease}
.faq-caret::before,.faq-caret::after{content:"";position:absolute;top:50%;left:50%;width:10px;height:2px;border-radius:2px;background:var(--c-text-sub);transform:translate(-50%,-50%)}
.faq-caret::after{transform:translate(-50%,-50%) rotate(90deg);transition:opacity .2s ease}
.faq-item.is-open .faq-caret{transform:rotate(180deg)}
.faq-item.is-open .faq-caret::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 22px 22px 64px;font-size:15px;color:var(--c-text-sub);line-height:1.85}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--c-primary-soft);
  border-radius:24px;
  padding:60px 40px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;width:360px;height:360px;right:-120px;bottom:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,90,224,.18) 0%,rgba(31,90,224,0) 70%);
}
.cta-band h2{font-size:28px;margin-bottom:14px;position:relative;z-index:2}
.cta-band p{font-size:15.5px;color:var(--c-text-sub);max-width:640px;margin:0 auto 28px;position:relative;z-index:2}
.cta-band .btn-main{position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{background:#F1F4FA;border-top:1px solid var(--c-line);margin-top:96px;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;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--c-text);margin-bottom:16px}
.footer-about{font-size:14px;color:var(--c-text-sub);line-height:1.85;max-width:320px}
.footer-col h4{font-size:14px;color:var(--c-primary);font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--c-text-sub)}
.footer-col ul li a:hover{color:var(--c-primary)}
.footer-col p{font-size:14px;color:var(--c-text-sub);line-height:1.85}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:22px 0 76px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-sub);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding-inline:24px}
  .entry-grid{gap:16px}
  .status-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  :root{--sp-section:72px}
  .nav-list{
    position:fixed;top:0;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;margin:0;padding:104px 24px 40px;
    background:rgba(255,255,255,.98);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-radius:0 0 20px 20px;
    transform:translateY(-102%);transition:transform .3s ease;
    box-shadow:var(--shadow-2);
  }
  .nav-list.is-open{transform:translateY(0)}
  .nav-list li{width:100%}
  .nav-link{height:48px;width:100%;border-radius:var(--r-md);font-size:16px;padding:0 16px}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-cta{display:none}
  .cat-banner{padding:132px 0 64px}
  .cat-banner-inner{grid-template-columns:1fr;gap:36px}
  .cat-banner h1{font-size:32px}
  .status-panel{padding:40px 32px;border-radius:20px}
  .entry-card{grid-template-columns:126px minmax(0,1fr);gap:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .entry-grid{grid-template-columns:1fr}
  .section-head h2{font-size:24px}
  .cat-banner h1{font-size:28px}
  .status-grid{grid-template-columns:1fr}
  .status-head h2,.cta-band h2{font-size:22px}
}
@media (max-width:575px){
  :root{--sp-section:56px}
  .container{padding-inline:16px}
  .nav-capsule{padding:0 10px 0 14px}
  .brand-text{font-size:14px}
  .cat-banner{padding:120px 0 52px}
  .cat-banner h1{font-size:26px}
  .cat-banner .banner-sub{font-size:15px}
  .cat-points{padding:20px}
  .entry-card{grid-template-columns:1fr;padding:16px}
  .entry-thumb{aspect-ratio:16/9}
  .banner-actions .btn-main,.banner-actions .btn-ghost{width:100%}
  .faq-a p{padding-left:22px}
  .cta-band{padding:40px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;padding-bottom:64px}
}

/* ---------- Bootstrap 覆盖 ---------- */
.btn,.btn-primary,.btn-secondary{border-radius:var(--r-md);border:0}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-deep)}
.card{border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--shadow-1)}
.badge{border-radius:var(--r-pill);font-weight:600}
.form-control{border-radius:var(--r-md);border:1px solid var(--c-line);height:48px}
.form-control:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(31,90,224,.15)}
.accordion-item{border:1px solid var(--c-line);border-radius:var(--r-lg)}
a{color:var(--c-primary)}

/* roulang page: category2 */
:root{
  --c-primary:#1F5AE0;
  --c-primary-deep:#123C9E;
  --c-primary-soft:#E8EFFE;
  --c-accent:#00B894;
  --c-warm:#FF7A45;
  --c-ink:#0E1A33;
  --c-ink-soft:#16264A;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-text:#101B2D;
  --c-text-sub:#5B6B85;
  --c-line:#E3E9F2;
  --r-xl:24px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(16,27,45,.06);
  --shadow-2:0 12px 28px rgba(16,27,45,.10);
  --sec-y:96px;
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-mono:"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  padding-top:104px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700;letter-spacing:0;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

/* 容器 */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}

/* 顶部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding:16px 0;
  transition:padding .22s ease,background .22s ease;
}
.site-header.is-scrolled{padding:10px 0;background:rgba(246,248,252,.84);backdrop-filter:blur(10px);}
.nav-capsule{
  display:flex;align-items:center;gap:22px;
  height:72px;padding:0 14px 0 20px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
  transition:height .22s ease;
}
.site-header.is-scrolled .nav-capsule{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;font-size:15px;font-weight:700;
}
.brand-text{font-size:16px;font-weight:700;color:var(--c-text);white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  display:inline-block;padding:9px 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-text-sub);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}
.nav-cta{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--c-line);
  border-radius:var(--r-md);background:#fff;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;}

/* 面包屑 */
.crumb-bar{padding:12px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--c-text-sub);}
.crumb a{color:var(--c-text-sub);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#B7C2D4;}
.crumb .current{color:var(--c-primary);font-weight:600;}

/* 通用块 */
.section{padding-top:var(--sec-y);}
.section-head{margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:600;margin-bottom:14px;
}
.section-head h2{font-size:28px;}
.section-head p{margin-top:12px;font-size:16px;color:var(--c-text-sub);max-width:720px;}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;}
.link-arrow::after{content:"›";font-size:18px;line-height:1;}

/* 非对称分类头图区 */
.cat-hero{padding-top:36px;}
.cat-hero-grid{display:grid;grid-template-columns:0.62fr 1.38fr;gap:32px;align-items:stretch;}
.cat-hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--c-ink);min-height:360px;
}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/4;opacity:.92;}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(31,90,224,.14),rgba(14,26,51,.72));
}
.cat-hero-media .media-badge{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:6px 12px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;
}
.cat-hero-media .media-caption{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  color:#fff;font-size:13px;line-height:1.7;opacity:.9;
}
.cat-hero-main{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:40px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;justify-content:center;
}
.cat-hero-main .kicker{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(0,184,148,.12);color:#008A70;
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.cat-hero-main h1{font-size:40px;margin-bottom:16px;}
.cat-hero-main .lede{font-size:17px;color:var(--c-text-sub);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--r-md);
  background:var(--c-warm);color:#fff;font-size:15px;font-weight:600;border:1px solid var(--c-warm);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,filter .18s ease;
}
.btn-main:hover{color:#fff;filter:brightness(.92);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-main:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border-radius:var(--r-md);
  border:1px solid var(--c-primary);background:transparent;color:var(--c-primary);
  font-size:15px;font-weight:600;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;padding-top:24px;border-top:1px solid var(--c-line);}
.hero-stats .stat{min-width:120px;}
.hero-stats .stat b{display:block;font-family:var(--font-mono);font-size:26px;color:var(--c-accent);line-height:1.2;}
.hero-stats .stat span{font-size:13px;color:var(--c-text-sub);}

/* 快查数据条 */
.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.fact-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.fact-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-soft);}
.fact-card .fact-num{
  font-family:var(--font-mono);font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.1;
}
.fact-card h3{font-size:18px;margin:12px 0 8px;}
.fact-card p{font-size:15px;color:var(--c-text-sub);}

/* 时间轴 + 粘性目录 */
.tl-layout{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:start;}
.tl-panel{
  background:linear-gradient(160deg,var(--c-ink),var(--c-ink-soft));
  border-radius:var(--r-xl);
  padding:40px 36px;
  box-shadow:var(--shadow-2);
}
.tl-panel .tl-head{margin-bottom:28px;}
.tl-panel .tl-head h2{color:#fff;font-size:28px;}
.tl-panel .tl-head p{color:rgba(255,255,255,.7);font-size:15px;margin-top:10px;max-width:560px;}
.timeline{position:relative;}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,rgba(0,184,148,.9),rgba(31,90,224,.35));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 26px 60px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item .n{
  position:absolute;left:0;top:2px;
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:2px solid var(--c-accent);background:var(--c-ink);
  color:#fff;font-family:var(--font-mono);font-size:14px;font-weight:700;
}
.tl-item h3{color:#fff;font-size:19px;margin-bottom:8px;}
.tl-item p{color:rgba(255,255,255,.72);font-size:15px;max-width:620px;}
.tl-item .tl-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:14px;font-weight:600;color:var(--c-accent);
}
.tl-item .tl-link::after{content:"›";font-size:17px;line-height:1;}
.tl-item .tl-link:hover{color:#5FE0C6;}
.tl-aside{position:sticky;top:96px;}
.toc-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-1);
}
.toc-card h3{font-size:16px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--c-line);}
.toc-card ul li{margin-bottom:4px;}
.toc-card ul a{
  display:block;padding:9px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-text-sub);
  transition:background .18s ease,color .18s ease;
}
.toc-card ul a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.toc-note{
  margin-top:20px;padding:16px;border-radius:var(--r-md);
  background:rgba(0,184,148,.08);color:#0A7A66;font-size:13px;line-height:1.75;
}
.toc-note b{font-family:var(--font-mono);}

/* 更新记录 */
.record-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.record-card{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.record-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-soft);}
.record-card .thumb{
  flex:0 0 88px;width:88px;aspect-ratio:4/3;border-radius:var(--r-sm);
  overflow:hidden;background:var(--c-primary-soft);
}
.record-card .thumb img{width:100%;height:100%;object-fit:cover;}
.record-card h3{font-size:17px;margin-bottom:8px;}
.record-card p{font-size:14px;color:var(--c-text-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.record-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px;font-size:13px;color:var(--c-text-sub);}
.badge-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary);
}
.badge-accent{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:rgba(0,184,148,.14);color:#008A70;
}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:var(--c-primary-soft);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-text);
}
.faq-q .mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:14px;font-weight:700;
}
.faq-q .caret{
  margin-left:auto;flex:0 0 auto;color:var(--c-text-sub);font-size:14px;
  transition:transform .2s ease;
}
.faq-item.is-open .faq-q .caret{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a .inner{padding:0 24px 22px 64px;font-size:15px;line-height:1.8;color:var(--c-text-sub);}
.faq-item.is-open .faq-a{max-height:340px;}

/* CTA */
.cta-band{
  background:linear-gradient(150deg,var(--c-primary-soft),#F2F6FF 60%,#EAF6F4);
  border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:56px 40px;text-align:center;
}
.cta-band h2{font-size:28px;margin-bottom:14px;}
.cta-band p{font-size:16px;color:var(--c-text-sub);max-width:660px;margin:0 auto;}
.cta-band .hero-actions{justify-content:center;}
.cta-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:26px;}
.tag-pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.85);
  border:1px solid var(--c-line);color:var(--c-text-sub);font-size:13px;
}

/* 页脚 */
.site-footer{
  margin-top:var(--sec-y);
  padding-top:64px;
  background:#F1F4FA;
  border-top:1px solid var(--c-line);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px;}
.footer-about{font-size:14px;color:var(--c-text-sub);max-width:320px;line-height:1.8;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-primary);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--c-text-sub);}
.footer-col ul a:hover{color:var(--c-primary);}
.footer-col p{font-size:14px;color:var(--c-text-sub);line-height:1.8;}
.footer-bottom{
  margin-top:48px;padding:22px 0 72px;
  border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--c-text-sub);
}

/* 响应式 */
@media (max-width:1199px){
  .container{padding-left:28px;padding-right:28px;}
}
@media (max-width:991px){
  :root{--sec-y:72px;}
  .container{padding-left:24px;padding-right:24px;}
  body{padding-top:96px;font-size:16px;}
  .nav-capsule{height:64px;padding:0 12px 0 16px;gap:12px;}
  .site-header.is-scrolled .nav-capsule{height:58px;}
  .nav-toggle{display:flex;}
  .nav-list{
    position:fixed;left:16px;right:16px;top:92px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:20px;box-shadow:var(--shadow-2);padding:12px;
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  }
  .nav-list.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-link{display:block;line-height:48px;padding:0 16px;font-size:15px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:24px;}
  .cat-hero-media{min-height:0;}
  .cat-hero-media img{aspect-ratio:16/10;}
  .cat-hero-main{padding:30px;}
  .cat-hero-main h1{font-size:32px;}
  .section-head h2,.tl-panel .tl-head h2,.cta-band h2{font-size:24px;}
  .fact-grid{grid-template-columns:1fr 1fr;}
  .tl-layout{grid-template-columns:1fr;}
  .tl-aside{position:static;order:-1;}
  .toc-card ul{display:flex;flex-wrap:wrap;gap:6px;}
  .toc-card ul li{margin:0;}
  .toc-card ul a{padding:8px 14px;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);}
  .record-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .tl-panel{padding:32px 26px;}
}
@media (max-width:767px){
  .fact-grid{grid-template-columns:1fr;}
  .cat-hero-main h1{font-size:28px;}
  .hero-stats{gap:20px;}
}
@media (max-width:575px){
  :root{--sec-y:56px;}
  .container{padding-left:16px;padding-right:16px;}
  .brand-text{font-size:14px;}
  .nav-cta{display:none;}
  .cat-hero-media img{aspect-ratio:4/5;}
  .cat-hero-main{padding:24px;}
  .cat-hero-main h1{font-size:26px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .tl-item{padding-left:52px;}
  .tl-item .n{width:34px;height:34px;font-size:13px;}
  .timeline::before{left:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .cta-band{padding:40px 22px;}
}