/* roulang page: index */
:root{
  --brand:#1f5fd6;
  --brand-600:#1548a8;
  --brand-400:#5b93f2;
  --brand-soft:#eaf2ff;
  --accent:#00a89d;
  --accent-soft:#e2f7f5;
  --bg:#f4f7fc;
  --surface:#ffffff;
  --text:#16213a;
  --text-2:#41506b;
  --muted:#7c89a0;
  --border:#e3e9f3;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(22,45,95,.05);
  --shadow:0 12px 32px rgba(22,45,95,.08);
  --shadow-lg:0 24px 56px rgba(22,45,95,.16);
  --sidebar-w:264px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.2px;line-height:1.35;}
p{margin:0;}
button,input,select{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(31,95,214,.35);outline-offset:2px;border-radius:8px;}

/* ============ 侧边栏 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--surface);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  z-index:1045;
  overflow-y:auto;
  transition:transform .3s var(--ease);
}
.brand{display:flex;align-items:center;gap:11px;padding:4px 8px 20px;border-bottom:1px solid var(--border);margin-bottom:8px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:linear-gradient(135deg,var(--brand) 0%,#4d8bf0 100%);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;
  box-shadow:0 10px 20px rgba(31,95,214,.26);
}
.brand-text strong{display:block;font-size:16px;font-weight:800;letter-spacing:.4px;}
.brand-text span{display:block;font-size:10.5px;color:var(--muted);letter-spacing:2.4px;margin-top:1px;}
.nav-group-title{
  font-size:11px;color:var(--muted);letter-spacing:.18em;
  padding:18px 12px 8px;font-weight:700;
}
.nav-list{display:flex;flex-direction:column;gap:5px;}
.nav-list a{
  display:flex;align-items:center;gap:11px;
  padding:11px 13px;border-radius:12px;
  color:var(--text-2);font-weight:500;font-size:14.5px;
  transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-list a i{width:18px;text-align:center;font-size:14px;color:var(--muted);transition:color .22s var(--ease);}
.nav-list a:hover{background:var(--brand-soft);color:var(--brand-600);}
.nav-list a:hover i{color:var(--brand);}
.nav-list a.active{
  background:linear-gradient(135deg,var(--brand) 0%,#3d7de9 100%);
  color:#fff;
  box-shadow:0 10px 22px rgba(31,95,214,.26);
}
.nav-list a.active i{color:#fff;}
.sidebar-foot{
  margin-top:auto;padding-top:18px;
}
.pulse-card{
  background:linear-gradient(160deg,#f0f6ff 0%,#e7f0ff 100%);
  border:1px solid #d8e6ff;border-radius:var(--radius);
  padding:14px 15px;
}
.pulse-card .pc-top{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--brand-600);}
.pulse-card .pc-top i{font-size:12px;}
.pulse-card p{font-size:12.5px;color:var(--text-2);margin-top:6px;line-height:1.65;}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(0,168,157,.16);}

/* ============ 顶栏（移动端） ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:1035;
  align-items:center;gap:12px;
  padding:10px 16px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.menu-btn{
  width:40px;height:40px;border:1px solid var(--border);background:#fff;
  border-radius:12px;display:grid;place-items:center;cursor:pointer;
  color:var(--text-2);transition:.22s var(--ease);
}
.menu-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:#cfe0ff;}
.topbar-brand{font-weight:800;font-size:15.5px;letter-spacing:.3px;}
.topbar-tag{
  margin-left:auto;font-size:11.5px;font-weight:700;color:var(--brand-600);
  background:var(--brand-soft);border-radius:999px;padding:5px 12px;
}
.backdrop{
  position:fixed;inset:0;background:rgba(16,28,52,.42);
  opacity:0;visibility:hidden;transition:.28s var(--ease);z-index:1040;
}
.backdrop.show{opacity:1;visibility:visible;}

/* ============ 主区域 ============ */
.main{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;flex-direction:column;
}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 30px;}
.section{padding:54px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.sec-head h2{font-size:23px;font-weight:800;}
.sec-head .sec-sub{color:var(--muted);font-size:13.5px;margin-top:7px;max-width:660px;line-height:1.7;}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:800;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-soft);
  padding:5px 13px;border-radius:999px;margin-bottom:11px;
}
.eyebrow.accent{color:var(--accent);background:var(--accent-soft);}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:70px 0 58px;
  text-align:center;
  overflow:hidden;
  background:
    radial-gradient(900px 420px at 50% -140px, #dbe8ff 0%, rgba(244,247,252,0) 72%),
    linear-gradient(180deg,#f8fafe 0%, var(--bg) 100%);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--border);
  border-radius:999px;padding:7px 16px;font-size:12.5px;font-weight:600;color:var(--text-2);
  box-shadow:var(--shadow-sm);
}
.hero h1{
  font-size:38px;line-height:1.3;margin:22px auto 0;max-width:880px;letter-spacing:.3px;
}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;}
.hero-lead{
  max-width:720px;margin:18px auto 0;
  color:var(--text-2);font-size:16px;line-height:1.85;
}
.hero-sub{
  max-width:700px;margin:12px auto 0;
  color:var(--muted);font-size:14px;
}
.search-shell{max-width:640px;margin:30px auto 0;position:relative;z-index:2;}
.search-box{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--border);
  border-radius:999px;padding:8px 8px 8px 20px;
  box-shadow:var(--shadow);
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.search-box:focus-within{border-color:#c4d8fb;box-shadow:0 16px 40px rgba(31,95,214,.16);}
.search-box > i{color:var(--muted);font-size:15px;}
.search-box input{
  flex:1;border:0;outline:none;background:transparent;
  font-size:15px;padding:10px 0;color:var(--text);
}
.search-box input::placeholder{color:#a9b4c7;}
.search-box button{
  border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--brand) 0%,#3d7de9 100%);
  color:#fff;font-weight:700;font-size:14px;
  padding:12px 28px;border-radius:999px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  box-shadow:0 10px 22px rgba(31,95,214,.24);
}
.search-box button:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(31,95,214,.32);}
.search-box button:active{transform:translateY(0);}
.chips{
  display:flex;flex-wrap:wrap;justify-content:center;gap:9px;
  margin-top:18px;
}
.chips .chip-label{font-size:12.5px;color:var(--muted);align-self:center;margin-right:2px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--border);
  border-radius:999px;padding:7px 15px;
  font-size:13px;color:var(--text-2);
  transition:.22s var(--ease);cursor:default;
}
.chip:hover{background:var(--brand-soft);border-color:#cfe0ff;color:var(--brand-600);transform:translateY(-1px);}
.chip i{font-size:11px;color:var(--brand-400);}
.hero-stats{
  display:flex;flex-wrap:wrap;justify-content:center;gap:14px;
  margin-top:34px;
}
.hero-stat{
  min-width:150px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--border);
  border-radius:var(--radius);padding:14px 20px;
  box-shadow:var(--shadow-sm);
}
.hero-stat b{display:block;font-size:21px;font-weight:800;color:var(--brand-600);letter-spacing:.4px;}
.hero-stat span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;}

/* ============ 网格与卡片 ============ */
.grid{display:grid;gap:20px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid-5{grid-template-columns:repeat(5,minmax(0,1fr));}

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  height:100%;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfdefb;}
.card h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.card p{color:var(--text-2);font-size:13.8px;line-height:1.75;flex:1;}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;}
.card-icon{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;font-size:16px;
  background:var(--brand-soft);color:var(--brand);
}
.card-icon.teal{background:var(--accent-soft);color:var(--accent);}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--border);}
.card-foot .meta{font-size:12.5px;color:var(--muted);}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:11.5px;font-weight:700;
  padding:4px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-600);
}
.badge.teal{background:var(--accent-soft);color:#008f86;}
.badge.gray{background:#f1f4f9;color:var(--muted);}
.badge.warm{background:#fff3e6;color:#c47a17;}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--border);
  border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.stat-cell{background:#fff;padding:24px 22px;transition:background .25s var(--ease);}
.stat-cell:hover{background:#f8fbff;}
.stat-cell b{display:block;font-size:27px;font-weight:800;color:var(--brand-600);letter-spacing:.5px;}
.stat-cell span{display:block;font-size:13px;color:var(--text-2);margin-top:4px;font-weight:600;}
.stat-cell small{display:block;font-size:12.2px;color:var(--muted);margin-top:6px;line-height:1.6;}

/* ============ 排行列表 ============ */
.rank-list{display:flex;flex-direction:column;gap:10px;}
.rank-item{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:15px 20px;
  transition:.25s var(--ease);
}
.rank-item:hover{border-color:#cfdefb;box-shadow:var(--shadow-sm);transform:translateX(3px);}
.rank-no{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;
  display:grid;place-items:center;font-weight:800;font-size:13.5px;
  background:#f1f4f9;color:var(--muted);
}
.rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,#ff9d2e,#ffc457);color:#fff;}
.rank-item:nth-child(2) .rank-no{background:linear-gradient(135deg,#7fa0d8,#a9c2ea);color:#fff;}
.rank-item:nth-child(3) .rank-no{background:linear-gradient(135deg,#d29a6a,#e8bb93);color:#fff;}
.rank-body{flex:1;min-width:0;}
.rank-body strong{display:block;font-size:14.8px;font-weight:700;}
.rank-body span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;}
.rank-heat{
  font-size:12.5px;font-weight:700;color:var(--accent);
  background:var(--accent-soft);border-radius:999px;padding:5px 13px;white-space:nowrap;
}

/* ============ 资讯列表 ============ */
.news-list{display:flex;flex-direction:column;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;}
.news-item{
  background:#fff;padding:20px 24px;display:flex;gap:20px;align-items:flex-start;
  transition:background .22s var(--ease);
}
.news-item:hover{background:#f9fbff;}
.news-date{
  flex:0 0 76px;font-size:12.5px;font-weight:800;color:var(--brand);
  letter-spacing:.04em;padding-top:2px;
}
.news-body strong{display:block;font-size:15px;font-weight:700;}
.news-body p{font-size:13.4px;color:var(--text-2);margin-top:5px;}
.news-body .tags{margin-top:9px;display:flex;gap:7px;flex-wrap:wrap;}

/* ============ 横向滚动 ============ */
.scroller{
  display:flex;gap:18px;overflow-x:auto;
  padding:4px 4px 16px;
  scroll-snap-type:x mandatory;
}
.scroller > *{flex:0 0 286px;scroll-snap-align:start;}
.scroller::-webkit-scrollbar{height:8px;}
.scroller::-webkit-scrollbar-track{background:#eef2f9;border-radius:99px;}
.scroller::-webkit-scrollbar-thumb{background:#cdd9ea;border-radius:99px;}
.scroller::-webkit-scrollbar-thumb:hover{background:#b4c5df;}
.media-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;transition:.25s var(--ease);height:100%;
  display:flex;flex-direction:column;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfdefb;}
.media-thumb{
  height:104px;display:grid;place-items:center;font-size:26px;color:#fff;
  background:linear-gradient(135deg,#2f6fe0 0%,#6aa2f6 100%);
}
.media-thumb.t2{background:linear-gradient(135deg,#0f9f96 0%,#57cec4 100%);}
.media-thumb.t3{background:linear-gradient(135deg,#3f4e7a 0%,#7286b8 100%);}
.media-thumb.t4{background:linear-gradient(135deg,#c47a17 0%,#f0b45f 100%);}
.media-thumb.t5{background:linear-gradient(135deg,#5a4fcf 0%,#9589f2 100%);}
.media-body{padding:16px 18px 18px;flex:1;display:flex;flex-direction:column;}
.media-body strong{font-size:15px;font-weight:800;}
.media-body p{font-size:13.2px;color:var(--text-2);margin-top:7px;flex:1;}
.media-body .mtag{margin-top:12px;}

/* ============ 标签云 ============ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--border);
  border-radius:999px;padding:9px 17px;
  font-size:13.4px;color:var(--text-2);font-weight:500;
  transition:.22s var(--ease);
}
.tag-pill:hover{background:var(--brand-soft);border-color:#cfe0ff;color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.tag-pill em{font-style:normal;font-size:11.5px;color:var(--muted);}
.tag-pill:hover em{color:var(--brand-400);}

/* ============ 更新日志 ============ */
.log-list{display:flex;flex-direction:column;gap:16px;}
.log-item{
  display:flex;gap:20px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:20px 22px;transition:.25s var(--ease);
}
.log-item:hover{border-color:#cfdefb;box-shadow:var(--shadow-sm);}
.log-ver{
  flex:0 0 88px;font-weight:800;font-size:14px;color:var(--brand-600);
  letter-spacing:.02em;
}
.log-body strong{display:block;font-size:14.8px;font-weight:700;}
.log-body p{font-size:13.4px;color:var(--text-2);margin-top:5px;}
.log-body ul{margin-top:9px;display:flex;flex-direction:column;gap:5px;}
.log-body li{font-size:13.2px;color:var(--text-2);padding-left:16px;position:relative;}
.log-body li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;background:var(--brand-400);
}

/* ============ 里程碑 ============ */
.milestones{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;position:relative;
}
.mile{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:22px 20px;position:relative;transition:.25s var(--ease);
}
.mile:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfdefb;}
.mile-no{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,#4d8bf0 100%);
  color:#fff;font-weight:800;font-size:13.5px;margin-bottom:13px;
  box-shadow:0 8px 18px rgba(31,95,214,.24);
}
.mile strong{display:block;font-size:15px;font-weight:800;}
.mile p{font-size:13.2px;color:var(--text-2);margin-top:7px;}

/* ============ 口碑 ============ */
.quote-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:22px;height:100%;display:flex;flex-direction:column;
  transition:.25s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfdefb;}
.quote-card .stars{color:#f5a623;font-size:12.5px;letter-spacing:2px;margin-bottom:11px;}
.quote-card p{font-size:14px;color:var(--text-2);flex:1;}
.quote-who{display:flex;align-items:center;gap:11px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--border);}
.quote-avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-600);font-weight:800;font-size:13px;
}
.quote-who strong{display:block;font-size:13.5px;font-weight:700;}
.quote-who span{display:block;font-size:12px;color:var(--muted);}

/* ============ 分类入口 ============ */
.entry-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px 24px;height:100%;display:flex;flex-direction:column;
  transition:.28s var(--ease);position:relative;overflow:hidden;
}
.entry-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-400));
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.entry-card:hover::before{transform:scaleX(1);}
.entry-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfdefb;}
.entry-card .ec-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:17px;margin-bottom:15px;
}
.entry-card h3{font-size:17px;}
.entry-card p{font-size:13.6px;color:var(--text-2);margin-top:9px;flex:1;}
.entry-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.4px;font-weight:700;color:var(--brand-600);margin-top:16px;
}
.entry-link i{transition:transform .22s var(--ease);font-size:12px;}
.entry-card:hover .entry-link i{transform:translateX(4px);}

/* ============ 常见问题 ============ */
.accordion-item{
  border:1px solid var(--border)!important;
  border-radius:var(--radius)!important;
  margin-bottom:12px;overflow:hidden;background:#fff;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.accordion-item:hover{border-color:#cfdefb!important;box-shadow:var(--shadow-sm);}
.accordion-button{
  font-weight:700;font-size:15px;color:var(--text);
  background:#fff;padding:19px 22px;box-shadow:none!important;
  border-radius:var(--radius)!important;
}
.accordion-button:not(.collapsed){
  color:var(--brand-600);background:var(--brand-soft);
}
.accordion-button::after{
  width:16px;height:16px;background-size:16px;
  filter:invert(31%) sepia(74%) saturate(2600%) hue-rotate(207deg) brightness(88%) contrast(92%);
}
.accordion-body{
  padding:6px 22px 22px;font-size:14px;color:var(--text-2);line-height:1.85;
  background:#fff;
}

/* ============ 收口行动 ============ */
.cta-band{
  background:linear-gradient(135deg,#17409a 0%,#2a6ae0 62%,#4b8bf2 100%);
  border-radius:24px;
  padding:48px 44px;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:34px;
  flex-wrap:wrap;
  box-shadow:0 26px 60px rgba(23,64,154,.28);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;
  width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.09);
}
.cta-band::before{
  content:"";position:absolute;right:120px;bottom:-110px;
  width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,.06);
}
.cta-text{max-width:640px;position:relative;z-index:2;}
.cta-text h2{font-size:25px;color:#fff;}
.cta-text p{font-size:14.5px;color:rgba(255,255,255,.82);margin-top:11px;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}
.btn-primary-solid{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--brand-600);
  font-weight:800;font-size:14.5px;
  padding:14px 30px;border-radius:999px;border:0;cursor:pointer;
  transition:.24s var(--ease);
  box-shadow:0 12px 26px rgba(0,0,0,.16);
}
.btn-primary-solid:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(0,0,0,.22);color:var(--brand);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);color:#fff;
  font-weight:700;font-size:14.5px;
  padding:14px 28px;border-radius:999px;
  border:1px solid rgba(255,255,255,.36);cursor:pointer;
  transition:.24s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);}

/* ============ 页脚 ============ */
.footer{
  background:#0f1a30;
  color:#a8b5cc;
  padding:52px 0 26px;
  margin-top:8px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:34px;
}
.footer-brand .fb-top{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand .fb-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2a6ae0,#5b93f2);color:#fff;font-weight:800;font-size:15px;
}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;}
.footer-brand p{font-size:13.2px;line-height:1.85;color:#8f9db6;max-width:360px;}
.footer-col h4{font-size:13px;color:#fff;font-weight:800;letter-spacing:.06em;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.4px;color:#8f9db6;transition:color .22s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:40px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.09);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.6px;color:#79879f;
}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .grid-5{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:1024px){
  .sidebar{transform:translateX(-100%);box-shadow:var(--shadow-lg);}
  .sidebar.open{transform:translateX(0);}
  .main{margin-left:0;}
  .topbar{display:flex;}
  .hero{padding:52px 0 46px;}
  .hero h1{font-size:31px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .milestones{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .wrap{padding:0 18px;}
  .section{padding:42px 0;}
  .hero h1{font-size:26px;}
  .hero-lead{font-size:14.8px;}
  .search-box{flex-wrap:wrap;border-radius:20px;padding:12px 14px;}
  .search-box input{width:100%;flex:1 1 100%;padding:6px 0 10px 26px;}
  .search-box > i{position:absolute;left:26px;top:22px;}
  .search-box button{width:100%;border-radius:14px;}
  .search-shell{position:relative;}
  .hero-stat{min-width:calc(50% - 7px);}
  .grid-3,.grid-4,.grid-5{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .sec-head h2{font-size:20px;}
  .cta-band{padding:34px 24px;border-radius:20px;}
  .cta-text h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions a{width:100%;justify-content:center;}
  .rank-item{flex-wrap:wrap;gap:12px;}
  .news-item{flex-direction:column;gap:8px;padding:18px 20px;}
  .news-date{flex:none;}
  .log-item{flex-direction:column;gap:8px;}
  .log-ver{flex:none;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .hero{padding:40px 0 38px;}
  .hero h1{font-size:23px;}
  .hero-stat{min-width:100%;}
  .stat-strip{grid-template-columns:1fr;}
  .milestones{grid-template-columns:1fr;}
  .scroller > *{flex:0 0 82%;}
  .chip{font-size:12.4px;padding:6px 13px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
 --brand:#1f5fd6;
 --brand-600:#1548a8;
 --brand-400:#5b93f2;
 --brand-soft:#eaf2ff;
 --accent:#00a89d;
 --accent-soft:#e2f7f5;
 --ink:#0d1730;
 --ink-2:#16233f;
 --bg:#f4f7fc;
 --surface:#ffffff;
 --text:#16213a;
 --text-2:#41506b;
 --muted:#7c89a0;
 --border:#e3e9f3;
 --radius-lg:18px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(22,45,95,.05);
 --shadow:0 12px 32px rgba(22,45,95,.08);
 --shadow-lg:0 24px 56px rgba(22,45,95,.16);
 --sidebar-w:264px;
 --ease:cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:15px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
button,input,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--text);letter-spacing:.2px;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(31,95,214,.35);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 30px;}

/* ============ 侧边栏 ============ */
.sidebar{
 position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);
 background:var(--surface);
 border-right:1px solid var(--border);
 padding:22px 18px 26px;
 overflow-y:auto;z-index:1040;
 transition:transform .3s var(--ease);
}
.sidebar::-webkit-scrollbar{width:6px;}
.sidebar::-webkit-scrollbar-thumb{background:#dbe3f0;border-radius:99px;}
.brand{display:flex;align-items:center;gap:11px;padding:4px 8px 20px;border-bottom:1px solid var(--border);margin-bottom:8px;}
.brand-mark{
 width:40px;height:40px;flex:0 0 40px;border-radius:13px;
 background:linear-gradient(135deg,var(--brand) 0%,#4d8bf0 100%);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;
 box-shadow:0 10px 20px rgba(31,95,214,.26);
}
.brand-text strong{display:block;font-size:16px;font-weight:800;letter-spacing:.4px;}
.brand-text span{display:block;font-size:10.5px;color:var(--muted);letter-spacing:2.4px;margin-top:1px;}
.nav-group-title{font-size:11px;color:var(--muted);letter-spacing:.18em;padding:18px 12px 8px;font-weight:700;}
.nav-list{display:flex;flex-direction:column;gap:5px;}
.nav-list a{
 display:flex;align-items:center;gap:11px;
 padding:11px 13px;border-radius:12px;
 color:var(--text-2);font-weight:500;font-size:14.5px;
 transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-list a i{width:18px;text-align:center;font-size:14px;color:var(--muted);transition:color .22s var(--ease);}
.nav-list a:hover{background:var(--brand-soft);color:var(--brand-600);}
.nav-list a:hover i{color:var(--brand);}
.nav-list a.active{background:linear-gradient(135deg,var(--brand) 0%,#3d7de9 100%);color:#fff;box-shadow:0 10px 22px rgba(31,95,214,.26);}
.nav-list a.active i{color:#fff;}
.pulse-card{
 margin-top:22px;
 background:linear-gradient(160deg,#f0f6ff 0%,#e7f0ff 100%);
 border:1px solid #d8e6ff;border-radius:var(--radius);
 padding:14px 15px;
}
.pulse-card .pc-top{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--brand-600);}
.pulse-card .pc-top i{font-size:12px;}
.pulse-card p{font-size:12.5px;color:var(--text-2);margin-top:6px;line-height:1.65;}
.pulse-card strong{color:var(--brand-600);}

/* ============ 顶部栏（移动端） ============ */
.topbar{
 display:none;position:sticky;top:0;z-index:1035;
 align-items:center;gap:12px;
 padding:10px 16px;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(12px);
 border-bottom:1px solid var(--border);
}
.menu-btn{
 width:40px;height:40px;border:1px solid var(--border);background:#fff;
 border-radius:12px;display:grid;place-items:center;cursor:pointer;
 color:var(--text-2);transition:.22s var(--ease);
}
.menu-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:#cfe0ff;}
.topbar-brand{font-weight:800;font-size:15.5px;letter-spacing:.3px;}
.topbar-tag{margin-left:auto;font-size:11.5px;font-weight:700;color:var(--brand-600);background:var(--brand-soft);border-radius:999px;padding:5px 12px;}
.nav-mask{
 display:none;position:fixed;inset:0;background:rgba(13,23,48,.45);z-index:1038;
 backdrop-filter:blur(2px);
}
.nav-mask.show{display:block;}

/* ============ 主区域 ============ */
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.section{padding:56px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{margin-bottom:26px;}
.section-head.center{text-align:center;max-width:760px;margin-left:auto;margin-right:auto;}
.section-head h2{font-size:26px;line-height:1.4;}
.section-head p{color:var(--text-2);font-size:14.5px;margin-top:10px;}
.eyebrow{
 display:inline-flex;align-items:center;gap:6px;
 font-size:11.5px;font-weight:800;letter-spacing:.08em;
 color:var(--brand);background:var(--brand-soft);
 padding:5px 13px;border-radius:999px;margin-bottom:11px;
}
.eyebrow.accent{color:var(--accent);background:var(--accent-soft);}
.eyebrow.dark{color:#bcd3ff;background:rgba(91,147,242,.18);}

/* ============ Hero ============ */
.hot-hero{
 position:relative;overflow:hidden;
 color:#fff;
 padding:64px 0 66px;
 background:
  radial-gradient(760px 380px at 82% -60px, rgba(91,147,242,.34) 0%, rgba(13,23,48,0) 70%),
  radial-gradient(560px 340px at 6% 110%, rgba(0,168,157,.22) 0%, rgba(13,23,48,0) 72%),
  linear-gradient(150deg,#0b1428 0%,#12203c 52%,#0d1730 100%);
}
.hot-hero::after{
 content:"";position:absolute;inset:auto 0 0 0;height:1px;
 background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent);
}
.hot-hero h1{
 font-size:34px;line-height:1.36;letter-spacing:.4px;color:#fff;margin-top:18px;max-width:620px;
}
.hot-hero h1 em{font-style:normal;color:#7fb0ff;}
.hero-lead{color:#b9c6dd;font-size:15.5px;margin-top:16px;max-width:600px;line-height:1.85;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-meta span{
 display:inline-flex;align-items:center;gap:7px;
 font-size:12.5px;font-weight:600;color:#cfe0ff;
 background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.14);
 border-radius:999px;padding:7px 15px;
}
.hero-meta i{font-size:12px;color:#7fb0ff;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.btn-main{
 display:inline-flex;align-items:center;gap:9px;
 background:linear-gradient(135deg,var(--brand) 0%,#3d7de9 100%);
 color:#fff;font-weight:700;font-size:14.5px;
 padding:13px 26px;border-radius:999px;border:0;cursor:pointer;
 box-shadow:0 12px 26px rgba(31,95,214,.34);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(31,95,214,.44);}
.btn-ghost{
 display:inline-flex;align-items:center;gap:9px;
 background:rgba(255,255,255,.08);
 color:#e6eeff;font-weight:600;font-size:14.5px;
 padding:13px 24px;border-radius:999px;
 border:1px solid rgba(255,255,255,.2);
 transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.38);transform:translateY(-2px);}
.btn-soft{
 display:inline-flex;align-items:center;gap:8px;
 background:var(--brand-soft);color:var(--brand-600);
 font-weight:700;font-size:14px;
 padding:11px 22px;border-radius:999px;border:1px solid #d3e2ff;
 transition:.22s var(--ease);
}
.btn-soft:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-1px);}

/* 主海报 */
.poster-shell{display:flex;justify-content:flex-end;}
.poster-card{
 position:relative;width:100%;max-width:340px;aspect-ratio:3/4;
 border-radius:22px;overflow:hidden;
 background:
  radial-gradient(320px 220px at 78% 12%, rgba(127,176,255,.42) 0%, rgba(13,23,48,0) 66%),
  linear-gradient(165deg,#1b2c4d 0%,#101c33 58%,#0a1224 100%);
 border:1px solid rgba(255,255,255,.14);
 box-shadow:0 30px 70px rgba(3,8,20,.55);
 display:flex;flex-direction:column;justify-content:flex-end;
 padding:24px 22px;
}
.poster-card::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(10,18,36,.1) 0%,rgba(8,14,28,.72) 62%,rgba(6,11,22,.92) 100%);
}
.poster-card > *{position:relative;z-index:1;}
.heat-badge{
 position:absolute;top:18px;left:18px;z-index:2;
 display:inline-flex;align-items:center;gap:6px;
 background:linear-gradient(135deg,#ff7a45 0%,#f2452b 100%);
 color:#fff;font-size:11.5px;font-weight:800;
 padding:6px 13px;border-radius:999px;
 box-shadow:0 10px 22px rgba(242,69,43,.38);
}
.poster-card h2{font-size:21px;color:#fff;line-height:1.45;}
.poster-card p{color:#b6c3da;font-size:13px;margin-top:9px;line-height:1.7;}
.poster-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px;}
.poster-tags span{
 font-size:11.5px;color:#cddcf5;
 border:1px solid rgba(255,255,255,.2);
 border-radius:999px;padding:4px 11px;
}
.poster-foot{
 margin-top:18px;padding-top:14px;
 border-top:1px solid rgba(255,255,255,.14);
 display:flex;align-items:center;justify-content:space-between;
 font-size:12px;color:#93a4c2;
}
.poster-foot strong{color:#fff;font-size:14px;}

/* ============ 数据条 ============ */
.stat-strip{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.stat-box{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:22px 20px;
 box-shadow:var(--shadow-sm);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.stat-box:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d5e2f7;}
.stat-box i{color:var(--brand);font-size:17px;}
.stat-num{font-size:28px;font-weight:800;color:var(--brand-600);margin-top:12px;letter-spacing:.5px;}
.stat-box p{font-size:13px;color:var(--muted);margin-top:4px;}

/* ============ 领衔专题 ============ */
.feature-grid{display:grid;grid-template-columns:0.95fr 1.05fr;gap:38px;align-items:center;}
.feature-visual{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:330px;
 background:
  radial-gradient(320px 220px at 20% 20%, rgba(255,255,255,.22) 0%, rgba(255,255,255,0) 65%),
  linear-gradient(150deg,#1f5fd6 0%,#3f7ff0 46%,#0f3576 100%);
 box-shadow:var(--shadow-lg);
 display:flex;flex-direction:column;justify-content:flex-end;
 padding:26px;
 color:#fff;
}
.feature-visual .fv-badge{
 align-self:flex-start;
 display:inline-flex;align-items:center;gap:7px;
 background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);
 border-radius:999px;padding:6px 14px;font-size:12px;font-weight:700;margin-bottom:auto;
}
.feature-visual h3{color:#fff;font-size:22px;line-height:1.45;}
.feature-visual p{color:#dbe7ff;font-size:13.5px;margin-top:9px;}
.feature-body h2{font-size:25px;line-height:1.45;}
.feature-body > p{color:var(--text-2);font-size:14.5px;margin-top:14px;}
.tick-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.tick-list li{display:flex;gap:11px;font-size:14px;color:var(--text-2);}
.tick-list i{color:var(--accent);font-size:14px;margin-top:5px;}
.tick-list strong{color:var(--text);}
.feature-foot{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

/* ============ 场景矩阵 ============ */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.matrix-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:20px 20px 18px;box-shadow:var(--shadow-sm);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d3e2ff;}
.matrix-card .mc-icon{
 width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);font-size:16px;
 transition:.24s var(--ease);
}
.matrix-card:hover .mc-icon{background:var(--brand);color:#fff;}
.matrix-card h3{font-size:16.5px;margin-top:14px;}
.matrix-card p{font-size:13px;color:var(--muted);margin-top:7px;line-height:1.7;}
.matrix-card .mc-foot{
 display:flex;align-items:center;justify-content:space-between;
 margin-top:14px;padding-top:12px;border-top:1px dashed var(--border);
 font-size:12px;color:var(--muted);
}
.mc-foot b{color:var(--brand-600);font-size:13px;}

/* ============ 热度榜 ============ */
.rank-panel{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;
}
.rank-head{
 display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
 padding:20px 24px;border-bottom:1px solid var(--border);
 background:linear-gradient(180deg,#f8fbff 0%,#ffffff 100%);
}
.rank-head h2{font-size:20px;}
.rank-head span{font-size:12.5px;color:var(--muted);}
.rank-item{
 display:flex;align-items:center;gap:16px;
 padding:15px 24px;
 border-bottom:1px solid var(--border);
 transition:background .22s var(--ease),padding-left .22s var(--ease);
}
.rank-item:last-child{border-bottom:0;}
.rank-item:hover{background:#f7faff;padding-left:28px;}
.rank-no{
 flex:0 0 34px;height:34px;border-radius:11px;
 display:grid;place-items:center;
 font-size:14px;font-weight:800;color:var(--muted);
 background:#f1f5fc;
}
.rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,#ff7a45,#f2452b);color:#fff;}
.rank-item:nth-child(2) .rank-no{background:linear-gradient(135deg,#5b93f2,#1f5fd6);color:#fff;}
.rank-item:nth-child(3) .rank-no{background:linear-gradient(135deg,#00c2b5,#00a89d);color:#fff;}
.rank-main{flex:1;min-width:0;}
.rank-main h3{font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-main p{font-size:12.5px;color:var(--muted);margin-top:3px;}
.rank-tagline{display:flex;gap:7px;margin-top:8px;flex-wrap:wrap;}
.rank-tagline em{
 font-style:normal;font-size:11.5px;color:var(--text-2);
 background:#f2f6fd;border-radius:999px;padding:3px 10px;
}
.rank-score{text-align:right;flex:0 0 auto;}
.rank-score b{display:block;font-size:17px;color:var(--brand-600);}
.rank-score span{font-size:11.5px;color:var(--muted);}

/* ============ 更新节奏 ============ */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
 content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
 background:linear-gradient(180deg,var(--brand-400),rgba(91,147,242,.1));
}
.tl-item{position:relative;padding:0 0 26px 8px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
 content:"";position:absolute;left:-26px;top:7px;
 width:13px;height:13px;border-radius:50%;
 background:#fff;border:3px solid var(--brand-400);
}
.tl-item h3{font-size:16px;}
.tl-item p{font-size:13.5px;color:var(--text-2);margin-top:6px;}
.tl-item span{display:inline-block;font-size:11.5px;font-weight:700;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:3px 11px;margin-bottom:8px;}

/* ============ 精选专题卡 ============ */
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pick-card{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);
 display:flex;flex-direction:column;
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.pick-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.pick-cover{
 height:132px;position:relative;display:flex;align-items:flex-end;padding:14px;
 color:#fff;font-weight:700;font-size:13px;
}
.pick-cover.c1{background:linear-gradient(140deg,#1f5fd6,#4d8bf0);}
.pick-cover.c2{background:linear-gradient(140deg,#00a89d,#33c9bd);}
.pick-cover.c3{background:linear-gradient(140deg,#2b3c66,#4a63a0);}
.pick-cover.c4{background:linear-gradient(140deg,#155ea8,#3b8fd6);}
.pick-cover.c5{background:linear-gradient(140deg,#0f766e,#2fa79b);}
.pick-cover.c6{background:linear-gradient(140deg,#1b2c4d,#365275);}
.pick-cover::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(220px 140px at 80% 10%, rgba(255,255,255,.28), rgba(255,255,255,0) 70%);
}
.pick-cover b{position:relative;z-index:1;font-size:16px;}
.pick-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.pick-body p{font-size:13.5px;color:var(--text-2);line-height:1.75;flex:1;}
.pick-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.pick-meta span{
 font-size:11.5px;color:var(--text-2);background:#f2f6fd;
 border-radius:999px;padding:4px 11px;
}
.pick-meta span.hot{background:var(--brand-soft);color:var(--brand-600);font-weight:700;}

/* ============ 共建卡 ============ */
.coop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.coop-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.coop-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.coop-card .num{
 font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.14em;
}
.coop-card h3{font-size:17px;margin-top:12px;}
.coop-card p{font-size:13.5px;color:var(--text-2);margin-top:9px;line-height:1.75;}
.coop-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.coop-card ul li{font-size:13px;color:var(--muted);display:flex;gap:9px;}
.coop-card ul i{color:var(--accent);font-size:12px;margin-top:5px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);box-shadow:var(--shadow-sm);
 overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:#cfdffb;box-shadow:var(--shadow);}
.faq-item summary{
 cursor:pointer;list-style:none;
 padding:17px 22px;font-size:15px;font-weight:700;color:var(--text);
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
 font-size:12px;color:var(--brand);transition:transform .26s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--brand-600);}
.faq-item .faq-body{padding:0 22px 19px;color:var(--text-2);font-size:14px;line-height:1.85;}

/* ============ 收口 CTA ============ */
.cta-band{
 border-radius:var(--radius-lg);overflow:hidden;
 background:
  radial-gradient(600px 260px at 88% 0%, rgba(91,147,242,.4) 0%, rgba(13,23,48,0) 70%),
  linear-gradient(140deg,#0d1730 0%,#16233f 60%,#101c33 100%);
 color:#fff;padding:40px 38px;
 display:grid;grid-template-columns:1.4fr .9fr;gap:30px;align-items:center;
 box-shadow:var(--shadow-lg);
}
.cta-band h2{color:#fff;font-size:24px;line-height:1.45;}
.cta-band p{color:#b9c6dd;font-size:14px;margin-top:12px;}
.cta-side{display:flex;flex-direction:column;gap:11px;}
.cta-side .cta-line{
 display:flex;align-items:center;gap:11px;
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.13);
 border-radius:12px;padding:12px 15px;font-size:13px;color:#dbe7ff;
}
.cta-side .cta-line i{color:#7fb0ff;}

/* ============ 页脚 ============ */
.footer{
 background:var(--ink);color:#b9c6dd;
 padding:52px 0 26px;border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .fb-top{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.fb-mark{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand),#4d8bf0);
 color:#fff;font-weight:800;font-size:15px;
}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-brand p{font-size:13.5px;color:#93a4c2;line-height:1.8;}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:15px;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:#93a4c2;transition:color .22s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
 margin-top:38px;padding-top:20px;
 border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
 font-size:12.5px;color:#7f8ea9;
}
.fb-links span{color:#7f8ea9;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
 .hot-hero h1{font-size:31px;}
 .stat-strip{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
 .sidebar{transform:translateX(-100%);box-shadow:0 20px 60px rgba(10,20,40,.24);}
 .sidebar.show{transform:translateX(0);}
 .topbar{display:flex;}
 .main{margin-left:0;}
 .feature-grid{grid-template-columns:1fr;gap:26px;}
 .poster-shell{justify-content:flex-start;}
 .poster-card{max-width:100%;aspect-ratio:16/11;}
 .matrix-grid{grid-template-columns:repeat(2,1fr);}
 .pick-grid{grid-template-columns:repeat(2,1fr);}
 .coop-grid{grid-template-columns:1fr;}
 .cta-band{grid-template-columns:1fr;padding:34px 26px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:767px){
 .wrap{padding:0 20px;}
 .section{padding:42px 0;}
 .hot-hero{padding:46px 0 50px;}
 .hot-hero h1{font-size:26px;}
 .hero-lead{font-size:14.5px;}
 .section-head h2{font-size:22px;}
 .stat-strip{grid-template-columns:1fr;}
 .matrix-grid{grid-template-columns:1fr;}
 .pick-grid{grid-template-columns:1fr;}
 .rank-item{padding:14px 18px;gap:12px;}
 .rank-item:hover{padding-left:20px;}
 .rank-score b{font-size:15px;}
 .rank-main h3{white-space:normal;}
}
@media (max-width:520px){
 .wrap{padding:0 16px;}
 .hot-hero h1{font-size:23px;}
 .brand-text span{letter-spacing:1.6px;}
 .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center;}
 .footer-grid{grid-template-columns:1fr;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
 .feature-visual{min-height:260px;padding:20px;}
 .cta-band h2{font-size:20px;}
}

/* roulang page: category1 */
:root{
 --brand:#1f5fd6;
 --brand-600:#1548a8;
 --brand-400:#5b93f2;
 --brand-soft:#eaf2ff;
 --accent:#00a89d;
 --accent-soft:#e2f7f5;
 --bg:#f4f7fc;
 --surface:#ffffff;
 --text:#16213a;
 --text-2:#41506b;
 --muted:#7c89a0;
 --border:#e3e9f3;
 --radius-lg:18px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(22,45,95,.05);
 --shadow:0 12px 32px rgba(22,45,95,.08);
 --shadow-lg:0 24px 56px rgba(22,45,95,.16);
 --sidebar-w:264px;
 --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:15px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
button,input,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:8px;}

/* ============ 左侧导航 ============ */
.sidebar{
 position:fixed;
 top:0;left:0;bottom:0;
 width:var(--sidebar-w);
 background:var(--surface);
 border-right:1px solid var(--border);
 padding:22px 18px 26px;
 overflow-y:auto;
 z-index:1040;
 display:flex;
 flex-direction:column;
}
.brand{display:flex;align-items:center;gap:11px;padding:4px 8px 20px;border-bottom:1px solid var(--border);margin-bottom:8px;}
.brand-mark{
 width:40px;height:40px;flex:0 0 40px;border-radius:13px;
 background:linear-gradient(135deg,var(--brand) 0%,#4d8bf0 100%);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;
 box-shadow:0 10px 20px rgba(31,95,214,.26);
}
.brand-text strong{display:block;font-size:16px;font-weight:800;letter-spacing:.4px;}
.brand-text span{display:block;font-size:10.5px;color:var(--muted);letter-spacing:1.2px;margin-top:1px;}
.nav-group-title{
 font-size:11px;color:var(--muted);letter-spacing:.18em;
 padding:18px 12px 8px;font-weight:700;
}
.nav-list{display:flex;flex-direction:column;gap:5px;}
.nav-list a{
 display:flex;align-items:center;gap:11px;
 padding:11px 13px;border-radius:12px;
 color:var(--text-2);font-weight:500;font-size:14.5px;
 transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-list a i{width:18px;text-align:center;font-size:14px;color:var(--muted);transition:color .22s var(--ease);}
.nav-list a:hover{background:var(--brand-soft);color:var(--brand-600);}
.nav-list a:hover i{color:var(--brand);}
.nav-list a.active{
 background:linear-gradient(135deg,var(--brand) 0%,#3d7de9 100%);
 color:#fff;
 box-shadow:0 10px 22px rgba(31,95,214,.26);
}
.nav-list a.active i{color:#fff;}
.sidebar-foot{margin-top:auto;padding-top:20px;display:grid;gap:10px;}
.pulse-card{
 background:linear-gradient(160deg,#f0f6ff 0%,#e7f0ff 100%);
 border:1px solid #d8e6ff;border-radius:var(--radius);
 padding:14px 15px;
}
.pulse-card .pc-top{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--brand-600);}
.pulse-card .pc-top i{font-size:12px;}
.pulse-card p{font-size:12.5px;color:var(--text-2);margin-top:6px;line-height:1.65;}

/* ============ 移动端顶栏 ============ */
.topbar{
 display:none;position:sticky;top:0;z-index:1035;
 align-items:center;gap:12px;
 padding:10px 16px;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(12px);
 border-bottom:1px solid var(--border);
}
.menu-btn{
 width:40px;height:40px;border:1px solid var(--border);background:#fff;
 border-radius:12px;display:grid;place-items:center;cursor:pointer;
 color:var(--text-2);transition:.22s var(--ease);
}
.menu-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:#cfe0ff;}
.topbar-brand{font-weight:800;font-size:15.5px;letter-spacing:.3px;}
.topbar-tag{
 margin-left:auto;font-size:11.5px;font-weight:700;color:var(--brand-600);
 background:var(--brand-soft);border-radius:999px;padding:5px 12px;
}
.backdrop{
 position:fixed;inset:0;background:rgba(15,26,52,.42);
 opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
 z-index:1030;
}
.backdrop.show{opacity:1;visibility:visible;}

/* ============ 主体 ============ */
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 28px;}
.section{padding:56px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{margin-bottom:28px;max-width:780px;}
.section-head h2{font-size:26px;line-height:1.42;margin:0;letter-spacing:.2px;}
.section-head p{color:var(--text-2);margin-top:10px;font-size:14.5px;line-height:1.82;}
.eyebrow{
 display:inline-flex;align-items:center;gap:6px;
 font-size:11.5px;font-weight:800;letter-spacing:.08em;
 color:var(--brand);background:var(--brand-soft);
 padding:5px 13px;border-radius:999px;margin-bottom:11px;
}
.eyebrow.accent{color:#0b7d74;background:var(--accent-soft);}

/* ============ Hero ============ */
.hero{
 position:relative;
 padding:62px 0 56px;
 overflow:hidden;
 background:
 radial-gradient(900px 420px at 18% -160px,#dbe8ff 0%,rgba(244,247,252,0) 72%),
 linear-gradient(180deg,#f8fafe 0%,var(--bg) 100%);
}
.hero::after{
 content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
 background:linear-gradient(90deg,transparent,var(--border),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center;position:relative;z-index:1;}
.hero h1{font-size:34px;line-height:1.38;margin:16px 0 0;letter-spacing:.3px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{color:var(--text-2);font-size:16px;line-height:1.86;margin-top:16px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;padding-top:22px;border-top:1px dashed var(--border);}
.hero-facts div strong{display:block;font-size:19px;font-weight:800;color:var(--text);}
.hero-facts div span{font-size:12.5px;color:var(--muted);}

.hero-stack{position:relative;padding:16px 10px 44px 10px;}
.stack-main{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
 padding:22px 22px 18px;
}
.sm-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.sm-date{font-size:11.5px;color:var(--muted);}
.sm-title{font-size:16.5px;margin:14px 0 12px;font-weight:800;}
.sm-list{display:grid;gap:10px;}
.sm-list li{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 background:#f7faff;border:1px solid #e8f0fd;border-radius:12px;
 padding:10px 13px;font-size:13.5px;
}
.sm-list li .sm-name{color:var(--text-2);font-weight:600;}
.sm-list li .sm-meta{font-size:12px;color:var(--brand-600);font-weight:700;flex:0 0 auto;}
.sm-foot{
 display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;
 font-size:12px;color:var(--muted);
}
.sm-foot span{display:inline-flex;align-items:center;gap:6px;}
.sm-foot i{color:var(--accent);font-size:11px;}
.stack-side{
 position:absolute;
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);box-shadow:var(--shadow);
 padding:14px 16px;min-width:150px;
}
.stack-side.s1{top:-8px;right:-6px;}
.stack-side.s2{bottom:6px;left:-8px;}
.ss-label{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.04em;}
.ss-num{display:block;font-size:22px;font-weight:800;color:var(--brand);line-height:1.3;}
.ss-desc{display:block;font-size:11.5px;color:var(--text-2);}

/* ============ 按钮 / 标签 ============ */
.btn{
 display:inline-flex;align-items:center;gap:8px;
 padding:12px 24px;border-radius:999px;
 font-weight:700;font-size:14px;border:1px solid transparent;
 cursor:pointer;
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
 background:linear-gradient(135deg,var(--brand) 0%,#3d7de9 100%);
 color:#fff;box-shadow:0 10px 22px rgba(31,95,214,.24);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(31,95,214,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text-2);}
.btn-ghost:hover{border-color:#c9dbfb;color:var(--brand);background:var(--brand-soft);}
.btn-sm{padding:9px 18px;font-size:13px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12px;font-weight:600;color:var(--brand-600);
 background:var(--brand-soft);border-radius:999px;padding:4px 11px;
}
.tag.accent{color:#0b7d74;background:var(--accent-soft);}
.tag.plain{background:#f2f5fa;color:var(--text-2);}

/* ============ 筛选区 ============ */
.filter-panel{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
 padding:22px 24px;
}
.filter-form{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.filter-form .input-shell{
 flex:1;min-width:220px;display:flex;align-items:center;gap:10px;
 background:#f7faff;border:1px solid var(--border);border-radius:999px;
 padding:8px 8px 8px 18px;
 transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.filter-form .input-shell:focus-within{border-color:#c4d8fb;box-shadow:0 10px 24px rgba(31,95,214,.12);}
.filter-form .input-shell i{color:var(--muted);font-size:14px;}
.filter-form input{
 flex:1;border:0;background:transparent;outline:none;padding:8px 0;font-size:14.5px;
}
.filter-form input::placeholder{color:#a9b4c7;}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;}
.chips .chip{
 display:inline-flex;align-items:center;gap:7px;
 background:#f7faff;border:1px solid var(--border);
 border-radius:999px;padding:7px 14px;
 font-size:13px;color:var(--text-2);font-weight:500;
 transition:.22s var(--ease);cursor:pointer;
}
.chips .chip:hover{border-color:#c9dbfb;background:var(--brand-soft);color:var(--brand-600);}
.chips .chip.is-on{background:linear-gradient(135deg,var(--brand) 0%,#3d7de9 100%);border-color:transparent;color:#fff;}
.chips .chip i{font-size:11px;}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);box-shadow:var(--shadow-sm);
 padding:20px;display:flex;flex-direction:column;gap:11px;height:100%;
 transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d7e4fb;}
.card-cover{
 height:104px;border-radius:var(--radius-sm);
 background:linear-gradient(135deg,#e7f0ff 0%,#d7e6ff 60%,#dff3f1 100%);
 display:flex;align-items:center;justify-content:center;
 color:var(--brand);font-size:26px;
 position:relative;overflow:hidden;
}
.card-cover::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(180px 90px at 80% 10%,rgba(255,255,255,.75),transparent 70%);
}
.card-cover.alt{background:linear-gradient(135deg,#e2f7f5 0%,#d5f0ed 60%,#e7f0ff 100%);color:var(--accent);}
.card h3{font-size:16.5px;margin:0;font-weight:800;line-height:1.5;}
.card p{color:var(--text-2);font-size:13.5px;line-height:1.8;margin:0;}
.card-meta{
 display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:auto;
 padding-top:12px;border-top:1px dashed var(--border);
 font-size:12.5px;color:var(--muted);
}
.card-meta span{display:inline-flex;align-items:center;gap:6px;}
.card-meta i{font-size:11px;color:var(--brand-400);}
.list-more{display:flex;justify-content:center;margin-top:30px;}

/* ============ 内容形态（左文右列表） ============ */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start;}
.split-side h2{font-size:25px;line-height:1.45;margin:0;}
.split-side p{color:var(--text-2);font-size:14.5px;margin-top:12px;}
.form-list{display:grid;gap:14px;}
.form-item{
 display:flex;gap:16px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:18px 20px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.form-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#d7e4fb;}
.form-icon{
 width:42px;height:42px;flex:0 0 42px;border-radius:13px;
 display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);font-size:16px;
}
.form-item.alt .form-icon{background:var(--accent-soft);color:var(--accent);}
.form-item h3{font-size:15.5px;margin:0 0 6px;font-weight:800;}
.form-item p{color:var(--text-2);font-size:13.5px;line-height:1.78;margin:0;}

/* ============ 排行 ============ */
.rank-list{display:grid;gap:12px;}
.rank-item{
 display:flex;align-items:center;gap:16px;
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:15px 20px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rank-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d7e4fb;}
.rank-no{
 width:34px;height:34px;flex:0 0 34px;border-radius:11px;
 display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-600);
 font-weight:800;font-size:14px;
}
.rank-item.top .rank-no{background:linear-gradient(135deg,var(--brand) 0%,#3d7de9 100%);color:#fff;box-shadow:0 8px 18px rgba(31,95,214,.26);}
.rank-body{flex:1;min-width:0;}
.rank-body h3{font-size:15px;margin:0 0 4px;font-weight:700;}
.rank-body span{font-size:12.5px;color:var(--muted);}
.rank-score{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--brand);flex:0 0 auto;}
.rank-score i{font-size:11px;color:#f0a12e;}

/* ============ 数据带 ============ */
.stat-band{
 background:linear-gradient(135deg,#14224a 0%,#1f3d7a 100%);
 border-radius:var(--radius-lg);
 padding:36px 34px;
 display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
 box-shadow:var(--shadow-lg);
}
.stat-band div strong{display:block;font-size:28px;font-weight:800;color:#fff;line-height:1.3;}
.stat-band div span{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-top:4px;}
.stat-note{
 margin-top:20px;font-size:13px;color:var(--text-2);
 display:flex;align-items:center;gap:9px;
}
.stat-note i{color:var(--accent);}

/* ============ 频道矩阵 ============ */
.matrix{display:grid;gap:14px;}
.matrix-item{
 display:flex;align-items:center;gap:18px;
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:20px 22px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.matrix-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfe0ff;}
.matrix-icon{
 width:46px;height:46px;flex:0 0 46px;border-radius:14px;
 display:grid;place-items:center;font-size:18px;
 background:var(--brand-soft);color:var(--brand);
}
.matrix-item:nth-child(2) .matrix-icon{background:var(--accent-soft);color:var(--accent);}
.matrix-item:nth-child(3) .matrix-icon{background:#fff4e6;color:#d1811a;}
.matrix-body{flex:1;min-width:0;}
.matrix-body h3{font-size:16px;margin:0 0 5px;font-weight:800;}
.matrix-body p{font-size:13.5px;color:var(--text-2);margin:0;}
.matrix-link{
 font-size:13px;font-weight:700;color:var(--brand);flex:0 0 auto;
 display:inline-flex;align-items:center;gap:7px;
}
.matrix-item:hover .matrix-link{color:var(--brand-600);}

/* ============ 创作者动态 ============ */
.dyn-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.dyn-card{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);
 transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.dyn-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.dyn-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.dyn-avatar{
 width:38px;height:38px;flex:0 0 38px;border-radius:12px;
 display:grid;place-items:center;font-weight:800;font-size:14px;
 background:linear-gradient(135deg,var(--brand) 0%,#4d8bf0 100%);
 color:#fff;
}
.dyn-top strong{display:block;font-size:14.5px;}
.dyn-top span{display:block;font-size:12px;color:var(--muted);}
.dyn-card p{font-size:13.5px;color:var(--text-2);line-height:1.78;}
.dyn-foot{margin-top:12px;padding-top:10px;border-top:1px dashed var(--border);font-size:12px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:18px 22px;
 box-shadow:var(--shadow-sm);
 transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:#d7e4fb;box-shadow:var(--shadow);}
.faq-item h3{
 font-size:15.5px;margin:0 0 8px;font-weight:800;
 display:flex;align-items:flex-start;gap:10px;
}
.faq-item h3 i{color:var(--brand);font-size:14px;margin-top:5px;flex:0 0 auto;}
.faq-item p{font-size:14px;color:var(--text-2);margin:0;padding-left:24px;}

/* ============ CTA ============ */
.cta-band{
 background:
 radial-gradient(600px 260px at 88% 0%,rgba(255,255,255,.72),transparent 70%),
 linear-gradient(135deg,#eaf2ff 0%,#e6f6f4 100%);
 border:1px solid #dbe7fb;
 border-radius:var(--radius-lg);
 padding:42px 40px;
 display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
 box-shadow:var(--shadow-sm);
}
.cta-band h2{font-size:24px;margin:0 0 10px;line-height:1.45;}
.cta-band p{color:var(--text-2);font-size:14.5px;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.footer{background:var(--surface);border-top:1px solid var(--border);padding:48px 0 24px;margin-top:auto;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .fb-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.fb-mark{
 width:32px;height:32px;flex:0 0 32px;border-radius:10px;
 background:linear-gradient(135deg,var(--brand) 0%,#4d8bf0 100%);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;
}
.footer-brand strong{font-size:15.5px;font-weight:800;}
.footer-brand p{color:var(--muted);font-size:13.5px;line-height:1.8;}
.footer-col h4{font-size:14px;margin:0 0 14px;font-weight:800;}
.footer-col li{margin-bottom:9px;}
.footer-col a{color:var(--text-2);font-size:13.5px;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
 margin-top:34px;padding-top:18px;border-top:1px solid var(--border);
 display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
 color:var(--muted);font-size:12.5px;
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
 .hero-grid{gap:34px;}
 .hero h1{font-size:31px;}
}
@media (max-width:1180px){
 .hero-grid{grid-template-columns:1fr;gap:32px;}
 .hero-stack{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:0;}
 .stack-main{grid-column:1 / -1;}
 .stack-side{position:static;min-width:0;}
 .card-grid{grid-template-columns:repeat(2,1fr);}
 .split{grid-template-columns:1fr;gap:26px;}
 .stat-band{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
 .sidebar{transform:translateX(-104%);transition:transform .3s var(--ease);box-shadow:var(--shadow-lg);}
 .sidebar.open{transform:translateX(0);}
 .topbar{display:flex;}
 .main{margin-left:0;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
 .dyn-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
 .wrap{padding:0 20px;}
 .section{padding:44px 0;}
 .hero{padding:44px 0 40px;}
 .hero h1{font-size:26px;}
 .hero-lead{font-size:15px;}
 .section-head h2{font-size:22px;}
 .split-side h2{font-size:21px;}
 .cta-band{padding:30px 24px;}
 .cta-band h2{font-size:20px;}
 .filter-panel{padding:18px;}
 .stat-band{padding:26px 22px;gap:18px;}
 .stat-band div strong{font-size:23px;}
}
@media (max-width:640px){
 .card-grid{grid-template-columns:1fr;}
 .matrix-item{flex-wrap:wrap;gap:14px;}
 .rank-item{flex-wrap:wrap;}
 .rank-score{width:100%;justify-content:flex-start;}
 .hero-facts{gap:16px;}
 .hero-facts div{min-width:44%;}
}
@media (max-width:520px){
 .hero-stack{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;}
 .filter-form .input-shell{padding-left:14px;}
 .chips .chip{font-size:12.5px;padding:6px 12px;}
 .topbar-tag{display:none;}
}

/* roulang page: category3 */
:root{
 --brand:#1f5fd6;
 --brand-600:#1548a8;
 --brand-400:#5b93f2;
 --brand-soft:#eaf2ff;
 --accent:#00a89d;
 --accent-soft:#e2f7f5;
 --bg:#f4f7fc;
 --surface:#ffffff;
 --text:#16213a;
 --text-2:#41506b;
 --muted:#7c89a0;
 --border:#e3e9f3;
 --radius-lg:18px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(22,45,95,.05);
 --shadow:0 12px 32px rgba(22,45,95,.08);
 --shadow-lg:0 24px 56px rgba(22,45,95,.16);
 --sidebar-w:264px;
 --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:15px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.45;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;}

/* ============ 容器 ============ */
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 30px;}

/* ============ 左侧导航 ============ */
.sidebar{
 position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
 background:var(--surface);border-right:1px solid var(--border);
 padding:22px 18px 20px;display:flex;flex-direction:column;
 overflow-y:auto;z-index:1040;
}
.brand{display:flex;align-items:center;gap:11px;padding:4px 8px 20px;border-bottom:1px solid var(--border);margin-bottom:8px;}
.brand-mark{
 width:40px;height:40px;flex:0 0 40px;border-radius:13px;
 background:linear-gradient(135deg,var(--brand) 0%,#4d8bf0 100%);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;
 box-shadow:0 10px 20px rgba(31,95,214,.26);
}
.brand-text strong{display:block;font-size:16px;font-weight:800;letter-spacing:.4px;}
.brand-text span{display:block;font-size:10.5px;color:var(--muted);letter-spacing:2.4px;margin-top:1px;}
.nav-group-title{font-size:11px;color:var(--muted);letter-spacing:.18em;padding:18px 12px 8px;font-weight:700;}
.nav-list{display:flex;flex-direction:column;gap:5px;}
.nav-list a{
 display:flex;align-items:center;gap:11px;
 padding:11px 13px;border-radius:12px;
 color:var(--text-2);font-weight:500;font-size:14.5px;
 transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-list a i{width:18px;text-align:center;font-size:14px;color:var(--muted);transition:color .22s var(--ease);}
.nav-list a:hover{background:var(--brand-soft);color:var(--brand-600);}
.nav-list a:hover i{color:var(--brand);}
.nav-list a.active{
 background:linear-gradient(135deg,var(--brand) 0%,#3d7de9 100%);
 color:#fff;
 box-shadow:0 10px 22px rgba(31,95,214,.26);
}
.nav-list a.active i{color:#fff;}
.pulse-card{
 margin-top:auto;
 background:linear-gradient(160deg,#f0f6ff 0%,#e7f0ff 100%);
 border:1px solid #d8e6ff;border-radius:var(--radius);
 padding:14px 15px;
}
.pulse-card .pc-top{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--brand-600);}
.pulse-card .pc-top i{font-size:12px;}
.pulse-card p{font-size:12.5px;color:var(--text-2);margin-top:6px;line-height:1.65;}

/* ============ 移动端顶栏 ============ */
.topbar{
 display:none;position:sticky;top:0;z-index:1035;
 align-items:center;gap:12px;
 padding:10px 16px;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(12px);
 border-bottom:1px solid var(--border);
}
.menu-btn{
 width:40px;height:40px;border:1px solid var(--border);background:#fff;
 border-radius:12px;display:grid;place-items:center;cursor:pointer;
 color:var(--text-2);transition:.22s var(--ease);
}
.menu-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:#cfe0ff;}
.topbar-brand{font-weight:800;font-size:15.5px;letter-spacing:.3px;}
.topbar-tag{
 margin-left:auto;font-size:11.5px;font-weight:700;color:var(--brand-600);
 background:var(--brand-soft);border-radius:999px;padding:5px 12px;
}

/* ============ 主区域 ============ */
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.main > main{flex:1;}
.section{padding:56px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.sec-head{max-width:780px;margin-bottom:30px;}
.sec-head h2{font-size:26px;}
.sec-desc{margin-top:12px;color:var(--text-2);font-size:14.5px;line-height:1.86;}
.eyebrow{
 display:inline-flex;align-items:center;gap:6px;
 font-size:11.5px;font-weight:800;letter-spacing:.08em;
 color:var(--brand);background:var(--brand-soft);
 padding:5px 13px;border-radius:999px;margin-bottom:11px;
}
.eyebrow.accent{color:var(--accent);background:var(--accent-soft);}

/* ============ 首屏 ============ */
.hero{
 position:relative;overflow:hidden;
 padding:58px 0 52px;
 background:
 radial-gradient(900px 420px at 28% -150px, #dbe8ff 0%, rgba(244,247,252,0) 72%),
 linear-gradient(180deg,#f8fafe 0%, var(--bg) 100%);
}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:start;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 background:#fff;border:1px solid var(--border);
 border-radius:999px;padding:7px 16px;font-size:12.5px;font-weight:600;color:var(--text-2);
 box-shadow:var(--shadow-sm);
}
.hero-badge i{color:var(--brand);}
.hero h1{font-size:34px;line-height:1.36;margin-top:20px;max-width:580px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{margin-top:16px;color:var(--text-2);font-size:15.5px;line-height:1.9;max-width:560px;}
.hero-points{margin-top:22px;display:grid;gap:11px;}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);}
.hero-points li i{color:var(--accent);font-size:13px;margin-top:6px;}

/* ============ 自测问卷 ============ */
.quiz{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);padding:24px 22px;box-shadow:var(--shadow);
}
.quiz-head{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:800;}
.quiz-head i{color:var(--brand);font-size:15px;}
.quiz-sub{font-size:12.5px;color:var(--muted);margin-top:5px;}
.quiz-group{margin-top:18px;}
.quiz-label{font-size:12.5px;font-weight:700;color:var(--text-2);margin-bottom:9px;letter-spacing:.02em;}
.opt-row{display:flex;flex-wrap:wrap;gap:8px;】
}
.opt{
 border:1px solid var(--border);background:#fff;border-radius:999px;
 padding:7px 15px;font-size:13px;color:var(--text-2);cursor:pointer;
 transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.opt:hover{border-color:#c9dcfb;color:var(--brand);background:var(--brand-soft);}
.opt.is-on{
 background:linear-gradient(135deg,var(--brand),#3d7de9);
 border-color:transparent;color:#fff;
 box-shadow:0 8px 18px rgba(31,95,214,.24);
}
.quiz-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:22px;}
.quiz-hint{font-size:12px;color:var(--muted);}
.btn-primary{
 border:0;cursor:pointer;
 background:linear-gradient(135deg,var(--brand) 0%,#3d7de9 100%);
 color:#fff;font-weight:700;font-size:14px;
 padding:12px 30px;border-radius:999px;
 box-shadow:0 10px 22px rgba(31,95,214,.24);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(31,95,214,.32);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.quiz-result{
 margin-top:14px;border:1px dashed #cfe0ff;border-radius:var(--radius);
 padding:16px 18px;background:linear-gradient(160deg,#f5f9ff,#eef4ff);
}
.qr-empty{font-size:13.5px;color:var(--muted);}
.qr-title{font-size:14.5px;font-weight:800;color:var(--brand-600);}
.qr-line{font-size:13px;color:var(--text-2);margin-top:7px;line-height:1.8;}
.qr-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px;}
.shake{animation:shake .38s var(--ease);}
@keyframes shake{
 0%,100%{transform:translateX(0);}
 25%{transform:translateX(-5px);}
 75%{transform:translateX(5px);}
}

/* ============ 数据条 ============ */
.stat-strip{
 display:grid;grid-template-columns:repeat(4,1fr);
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
 padding:26px 8px;
}
.stat-item{text-align:center;padding:2px 14px;border-right:1px solid var(--border);}
.stat-item:last-child{border-right:0;}
.stat-item strong{display:block;font-size:26px;font-weight:800;color:var(--brand);letter-spacing:.5px;}
.stat-item span{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);}

/* ============ 时间线 ============ */
.timeline-panel{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);padding:30px 30px 12px;box-shadow:var(--shadow-sm);
}
.timeline{position:relative;padding-left:28px;}
.timeline::before{
 content:"";position:absolute;left:6px;top:10px;bottom:18px;width:2px;
 background:linear-gradient(180deg,var(--brand-400),#e6eefb);border-radius:2px;
}
.timeline li{position:relative;padding-bottom:22px;}
.timeline li:last-child{padding-bottom:10px;}
.timeline li::before{
 content:"";position:absolute;left:-28px;top:9px;
 width:12px;height:12px;border-radius:50%;
 background:#fff;border:3px solid var(--brand-400);box-sizing:border-box;
}
.tl-time{font-size:12px;font-weight:700;color:var(--brand-600);letter-spacing:.04em;}
.tl-body{
 background:#fbfcfe;border:1px solid var(--border);border-radius:var(--radius);
 padding:16px 18px;margin-top:8px;
 transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.tl-body:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#dbe7fa;}
.tl-body h3{font-size:15.5px;}
.tl-body p{margin-top:7px;font-size:13.5px;color:var(--text-2);line-height:1.82;}
.tl-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px;}
.tag{display:inline-flex;align-items:center;font-size:11.5px;font-weight:600;color:var(--brand-600);background:var(--brand-soft);border-radius:999px;padding:4px 11px;}
.tag.teal{color:var(--accent);background:var(--accent-soft);}
.tag.gray{color:var(--text-2);background:#eef1f7;}

/* ============ 赛道卡片 ============ */
.track-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.track-card{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.track-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6e4fb;}
.tc-icon{
 width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
 font-size:17px;background:var(--brand-soft);color:var(--brand);margin-bottom:15px;
}
.tc-icon.teal{background:var(--accent-soft);color:var(--accent);}
.track-card h3{font-size:16.5px;}
.track-card p{margin-top:9px;font-size:13.5px;color:var(--text-2);line-height:1.82;}
.tc-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px;}

/* ============ 活跃榜 ============ */
.rank-list{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;
}
.rank-row{
 display:grid;grid-template-columns:56px 1fr 180px 64px;
 align-items:center;gap:18px;padding:16px 24px;
 border-bottom:1px solid var(--border);
 transition:background .2s var(--ease);
}
.rank-row:last-child{border-bottom:0;}
.rank-row:hover{background:#f8fbff;}
.rank-no{font-size:15px;font-weight:800;color:var(--brand-400);font-variant-numeric:tabular-nums;}
.rank-main strong{display:block;font-size:14.5px;}
.rank-main span{display:block;font-size:12.5px;color:var(--muted);margin-top:3px;}
.rank-bar{height:8px;border-radius:999px;background:#eef2f9;overflow:hidden;}
.rank-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-400),var(--brand));}
.rank-val{text-align:right;font-size:13.5px;font-weight:700;color:var(--text-2);font-variant-numeric:tabular-nums;}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{
 position:relative;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);padding:22px 20px;box-shadow:var(--shadow-sm);
 transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.step-no{
 width:32px;height:32px;border-radius:10px;
 background:linear-gradient(135deg,var(--brand),#4d8bf0);color:#fff;
 display:grid;place-items:center;font-weight:800;font-size:13.5px;
 box-shadow:0 8px 16px rgba(31,95,214,.22);
}
.step h3{font-size:15.5px;margin-top:14px;}
.step p{margin-top:8px;font-size:13.5px;color:var(--text-2);line-height:1.8;}

/* ============ 频道矩阵 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{
 display:block;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);padding:24px 22px;box-shadow:var(--shadow-sm);
 transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0ff;color:inherit;}
.channel-card h3{font-size:16.5px;display:flex;align-items:center;gap:9px;}
.channel-card h3 i{color:var(--brand);font-size:15px;}
.channel-card p{margin-top:10px;font-size:13.5px;color:var(--text-2);line-height:1.82;}
.channel-more{margin-top:14px;font-size:12.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.channel-card.is-current{border-color:#cfe0ff;background:linear-gradient(160deg,#f7faff,#eef5ff);}
.channel-flag{
 display:inline-flex;align-items:center;font-size:11px;font-weight:700;color:var(--accent);
 background:var(--accent-soft);border-radius:999px;padding:3px 10px;margin-left:8px;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:940px;}
.faq-item{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:0 20px;box-shadow:var(--shadow-sm);
 transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq-item[open]{border-color:#cfe0ff;box-shadow:var(--shadow);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 0;
 font-size:15px;font-weight:700;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
 font-size:12px;color:var(--brand);transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{
 font-size:13.8px;color:var(--text-2);line-height:1.88;
 padding:14px 0 18px;border-top:1px dashed var(--border);
}

/* ============ 转化区 ============ */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:40px 44px;
 background:linear-gradient(135deg,#1f5fd6 0%,#1548a8 100%);
 color:#fff;box-shadow:var(--shadow-lg);
 display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band::after{
 content:"";position:absolute;right:-70px;top:-80px;
 width:250px;height:250px;border-radius:50%;background:rgba(255,255,255,.08);
}
.cta-band h2{font-size:23px;color:#fff;position:relative;z-index:1;}
.cta-band p{
 margin-top:10px;font-size:14px;color:rgba(255,255,255,.86);
 max-width:620px;line-height:1.85;position:relative;z-index:1;
}
.btn-light{
 display:inline-flex;align-items:center;gap:8px;
 background:#fff;color:var(--brand-600);border:0;
 border-radius:999px;padding:13px 30px;font-weight:800;font-size:14.5px;
 box-shadow:0 12px 26px rgba(0,0,0,.18);
 cursor:pointer;position:relative;z-index:1;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-light:hover{transform:translateY(-2px);color:var(--brand-600);box-shadow:0 16px 32px rgba(0,0,0,.24);}

/* ============ 页脚 ============ */
.footer{background:#101a33;color:#aab6cc;padding:52px 0 22px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .fb-top{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.fb-mark{
 width:36px;height:36px;border-radius:11px;
 background:linear-gradient(135deg,#3d7de9,#1f5fd6);color:#fff;
 display:grid;place-items:center;font-weight:800;font-size:15px;
}
.footer-brand strong{color:#fff;font-size:16.5px;}
.footer-brand p{font-size:13px;line-height:1.85;color:#94a3bd;}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:13px;color:#94a3bd;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
 display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
 font-size:12.5px;color:#7d8aa3;
}
.fb-links span{color:#7d8aa3;}

/* ============ 响应式 ============ */
@media (max-width:1240px){
 .wrap{padding:0 24px;}
 .hero h1{font-size:31px;}
}
@media (max-width:1024px){
 .sidebar{transform:translateX(-102%);transition:transform .3s var(--ease);box-shadow:var(--shadow-lg);}
 .sidebar.open{transform:translateX(0);}
 .topbar{display:flex;}
 .main{margin-left:0;}
 .hero{padding:44px 0 40px;}
 .hero-grid{grid-template-columns:1fr;gap:32px;}
 .hero h1{max-width:none;font-size:29px;}
 .hero-lead{max-width:none;}
 .stat-strip{grid-template-columns:repeat(2,1fr);gap:0;padding:10px 8px;}
 .stat-item{padding:18px 12px;border-right:0;border-bottom:1px solid var(--border);}
 .stat-item:nth-child(odd){border-right:1px solid var(--border);}
 .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:0;}
 .track-grid{grid-template-columns:repeat(2,1fr);}
 .steps{grid-template-columns:repeat(2,1fr);}
 .channel-grid{grid-template-columns:1fr;}
 .rank-row{grid-template-columns:48px 1fr 120px 58px;gap:14px;padding:15px 20px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
 .section{padding:42px 0;}
 .sec-head h2{font-size:22px;}
 .hero h1{font-size:25px;}
 .timeline-panel{padding:24px 20px 6px;}
 .track-grid{grid-template-columns:1fr;}
 .steps{grid-template-columns:1fr;}
 .rank-row{grid-template-columns:38px 1fr 58px;}
 .rank-bar{display:none;}
 .cta-band{padding:30px 24px;}
 .cta-band h2{font-size:20px;}
}
@media (max-width:520px){
 .wrap{padding:0 16px;}
 .hero h1{font-size:22px;}
 .hero-lead{font-size:14.5px;}
 .stat-strip{grid-template-columns:1fr;padding:6px 8px;}
 .stat-item{border-right:0 !important;border-bottom:1px solid var(--border);padding:15px 12px;}
 .stat-item:last-child{border-bottom:0;}
 .stat-item strong{font-size:23px;}
 .footer-grid{grid-template-columns:1fr;gap:24px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
 .quiz{padding:20px 16px;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}