/* roulang page: index */
:root{
  --brand:#1f5eff;
  --brand-dark:#123cba;
  --brand-soft:#eef3ff;
  --brand-line:#d7e3ff;
  --accent:#ff7a45;
  --accent-soft:#fff2ec;
  --ink:#0f1c33;
  --ink-2:#3d4d68;
  --ink-3:#7d8ba5;
  --line:#e6ecf6;
  --bg:#f6f9fe;
  --white:#ffffff;
  --radius-xs:8px;
  --radius-s:12px;
  --radius:18px;
  --radius-l:26px;
  --shadow-xs:0 1px 4px rgba(20,42,90,.05);
  --shadow-s:0 4px 14px rgba(20,42,90,.07);
  --shadow:0 12px 32px rgba(20,42,90,.09);
  --shadow-l:0 28px 64px rgba(20,42,90,.13);
  --max:1180px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);line-height:1.35;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-dark);}
img{max-width:100%;display:block;}
button,input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(31,94,255,.35);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.sec{padding:66px 0;}
.sec-tight{padding:44px 0;}
.sec-alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- 顶部导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.head-inner{display:flex;align-items:center;gap:26px;height:70px;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),#4f8cff);
  color:#fff;display:grid;place-items:center;font-size:15px;
  box-shadow:0 8px 18px rgba(31,94,255,.28);
}
.logo:hover{color:var(--brand-dark);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav a{
  position:relative;padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink-2);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.main-nav a.active{background:var(--brand-soft);color:var(--brand-dark);}
.main-nav a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:16px;height:3px;border-radius:3px;background:var(--brand);
}
.head-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.head-search{position:relative;}
.head-search input{
  width:186px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#f8faff;padding:0 16px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.head-search input::placeholder{color:var(--ink-3);}
.head-search input:focus{outline:none;border-color:var(--brand-line);box-shadow:0 0 0 4px rgba(31,94,255,.1);width:210px;}
.head-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:13px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;border-radius:999px;
  font-weight:700;font-size:15px;padding:12px 24px;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(31,94,255,.26);}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,94,255,.32);}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-xs);}
.btn-ghost:hover{color:var(--brand-dark);border-color:var(--brand-line);transform:translateY(-2px);}
.btn-soft{background:var(--brand-soft);color:var(--brand-dark);}
.btn-soft:hover{background:#e1ebff;color:var(--brand-dark);}
.btn-light{background:#fff;color:var(--brand-dark);}
.btn-light:hover{background:#eef3ff;color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-dark);
}
.tag-accent{background:var(--accent-soft);color:#c74f1d;}
.tag-line{background:#fff;border:1px solid var(--line);color:var(--ink-2);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(760px 420px at 88% -8%,rgba(31,94,255,.11),transparent 62%),
    radial-gradient(560px 340px at 4% 100%,rgba(255,122,69,.09),transparent 60%),
    #fff;
  border-bottom:1px solid var(--line);
}
.hero-inner{
  display:grid;grid-template-columns:1fr 380px;gap:56px;align-items:center;
  padding:70px 0 74px;
}
.hero-eyebrow{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.3;letter-spacing:-.01em;margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{
  font-size:18px;font-weight:600;color:var(--ink);
  padding-left:16px;border-left:3px solid var(--accent);
  margin-bottom:18px;line-height:1.6;
}
.hero-text{font-size:15.5px;color:var(--ink-2);max-width:620px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;}
.hero-facts div{display:flex;flex-direction:column;}
.hero-facts strong{font-size:22px;color:var(--ink);font-weight:800;line-height:1.2;}
.hero-facts span{font-size:13px;color:var(--ink-3);margin-top:2px;}

.stage{
  position:relative;border-radius:var(--radius-l);
  background:linear-gradient(165deg,#132a63 0%,#1f4bb8 52%,#3a7bff 100%);
  padding:20px;box-shadow:var(--shadow-l);
  color:#fff;overflow:hidden;
}
.stage::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(220px 180px at 82% 8%,rgba(255,255,255,.28),transparent 66%);
}
.stage-frame{
  position:relative;border-radius:20px;overflow:hidden;
  aspect-ratio:9/13;
  background:linear-gradient(200deg,rgba(255,255,255,.16),rgba(255,255,255,.04)),
             linear-gradient(180deg,#0c1b3f,#1b3f92 60%,#2f6be0);
  display:flex;flex-direction:column;justify-content:space-between;
  padding:22px;border:1px solid rgba(255,255,255,.18);
}
.stage-frame .top-tag{
  align-self:flex-start;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.3);
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  backdrop-filter:blur(6px);
}
.stage-frame h3{color:#fff;font-size:23px;line-height:1.4;margin-bottom:10px;}
.stage-frame .sub{font-size:13.5px;color:rgba(255,255,255,.78);}
.stage-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.22);
  font-size:12.5px;color:rgba(255,255,255,.82);
}
.stage-pill{
  margin-top:18px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:16px;padding:14px 16px;
  display:flex;align-items:center;gap:12px;position:relative;
}
.stage-pill i{font-size:18px;color:#bcd2ff;}
.stage-pill b{color:#fff;font-size:14px;display:block;}
.stage-pill small{color:rgba(255,255,255,.72);font-size:12.5px;}

/* ---------- 数据速览 ---------- */
.strip{background:#fff;border-bottom:1px solid var(--line);}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.strip-item{padding:26px 20px;border-right:1px solid var(--line);}
.strip-item:last-child{border-right:none;}
.strip-item strong{display:block;font-size:26px;font-weight:800;color:var(--brand);line-height:1.2;}
.strip-item span{font-size:13.5px;color:var(--ink-3);}

/* ---------- 通用板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.sec-head .left{max-width:680px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:700;color:var(--brand);
  letter-spacing:.06em;margin-bottom:12px;
}
.sec-kicker::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--brand);}
.sec-title{font-size:clamp(21px,2.3vw,29px);margin-bottom:12px;}
.sec-desc{font-size:15px;color:var(--ink-2);max-width:660px;}
.sec-more{font-size:14px;font-weight:700;white-space:nowrap;}

/* ---------- 频道入口 ---------- */
.chan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.chan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px 24px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;height:100%;
}
.chan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--brand-line);}
.chan-ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:20px;margin-bottom:18px;
}
.chan-card h3{font-size:19px;margin-bottom:10px;}
.chan-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:18px;}
.chan-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--ink-3);}
.chan-foot a{font-weight:700;}

/* ---------- 精选推荐（Bento） ---------- */
.bento{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:auto auto;gap:22px;}
.pick-main{
  grid-row:span 2;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow-s);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.pick-main:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.pick-cover{
  height:212px;
  background:linear-gradient(140deg,#16305f,#2a5fd6 60%,#5b93ff);
  position:relative;display:flex;align-items:flex-end;padding:22px;
}
.pick-cover::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(300px 200px at 78% 12%,rgba(255,255,255,.26),transparent 62%);
}
.pick-cover span{
  position:relative;z-index:2;background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.32);color:#fff;font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:999px;backdrop-filter:blur(6px);
}
.pick-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.pick-body h3{font-size:22px;margin-bottom:12px;}
.pick-body p{font-size:15px;color:var(--ink-2);margin-bottom:20px;}
.pick-foot{margin-top:auto;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-3);}
.pick-mini{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-s);display:flex;gap:16px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pick-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-line);}
.pick-mini .num{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;color:var(--brand-dark);background:var(--brand-soft);font-size:15px;
}
.pick-mini h4{font-size:16.5px;margin-bottom:6px;}
.pick-mini p{font-size:13.8px;color:var(--ink-2);}

/* ---------- 今日速递 ---------- */
.feed{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:start;}
.feed-side{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-s);position:sticky;top:96px;
}
.feed-side h3{font-size:18px;margin-bottom:12px;}
.feed-side p{font-size:14px;color:var(--ink-2);margin-bottom:18px;}
.feed-side .note{
  font-size:13px;color:var(--ink-3);background:var(--bg);
  border-radius:var(--radius-xs);padding:12px 14px;line-height:1.7;
}
.feed-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-s);}
.feed-row{
  display:grid;grid-template-columns:74px 1fr auto;gap:20px;align-items:center;
  padding:20px 26px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.feed-row:last-child{border-bottom:none;}
.feed-row:hover{background:#f8faff;}
.feed-time{font-size:13.5px;font-weight:700;color:var(--brand);}
.feed-row h4{font-size:16px;margin-bottom:5px;font-weight:700;}
.feed-row p{font-size:13.6px;color:var(--ink-3);}

/* ---------- 排行榜 ---------- */
.rank-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.rank-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px 8px;box-shadow:var(--shadow-s);}
.rank-item{
  display:flex;gap:16px;align-items:flex-start;padding:15px 18px;border-radius:var(--radius-s);
  transition:background .18s ease;
}
.rank-item:hover{background:var(--brand-soft);}
.rank-no{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-size:13.5px;font-weight:800;background:var(--bg);color:var(--ink-3);
}
.rank-item:nth-child(1) .rank-no{background:var(--brand);color:#fff;}
.rank-item:nth-child(2) .rank-no{background:#4f8cff;color:#fff;}
.rank-item:nth-child(3) .rank-no{background:#8fb6ff;color:#fff;}
.rank-item h4{font-size:15.4px;font-weight:700;margin-bottom:3px;}
.rank-item span{font-size:13px;color:var(--ink-3);}

/* ---------- 时间轴 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-s);position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.tl-card::before{
  content:"";position:absolute;top:-1px;left:22px;right:22px;height:3px;
  border-radius:0 0 3px 3px;background:var(--brand);
}
.tl-date{font-size:13px;font-weight:700;color:var(--accent);margin-bottom:10px;}
.tl-card h4{font-size:16.5px;margin-bottom:8px;}
.tl-card p{font-size:13.8px;color:var(--ink-2);}

/* ---------- 媒体精选（横滑） ---------- */
.rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:#d5e0f2;border-radius:6px;}
.rail-card{
  flex:0 0 292px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.rail-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.rail-thumb{height:132px;position:relative;display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;}
.rail-thumb.t1{background:linear-gradient(135deg,#1c3f8c,#3b78e8);}
.rail-thumb.t2{background:linear-gradient(135deg,#0f2a5c,#2a6bd0);}
.rail-thumb.t3{background:linear-gradient(135deg,#22406f,#5b8ce0);}
.rail-thumb.t4{background:linear-gradient(135deg,#16305f,#3a63b8);}
.rail-thumb.t5{background:linear-gradient(135deg,#1f4bb8,#7aa8ff);}
.rail-body{padding:20px 22px 22px;}
.rail-body h4{font-size:16.4px;margin-bottom:8px;}
.rail-body p{font-size:13.7px;color:var(--ink-2);margin-bottom:14px;}
.rail-body .meta{font-size:12.6px;color:var(--ink-3);}

/* ---------- 案例故事 ---------- */
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);overflow:hidden;
  display:grid;grid-template-columns:340px 1fr;
}
.case-side{
  background:linear-gradient(160deg,#132a63,#2557c9);
  color:#fff;padding:38px 32px;display:flex;flex-direction:column;justify-content:space-between;
}
.case-side h3{color:#fff;font-size:22px;margin-bottom:14px;}
.case-side p{color:rgba(255,255,255,.8);font-size:14.2px;}
.case-side .who{
  margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.24);
  font-size:13.4px;color:rgba(255,255,255,.82);
}
.case-main{padding:38px 36px;}
.case-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.case-step h4{font-size:15.6px;margin-bottom:10px;display:flex;align-items:center;gap:9px;}
.case-step h4 i{color:var(--brand);font-size:14px;}
.case-step p{font-size:14px;color:var(--ink-2);}
.case-result{
  margin-top:26px;padding:18px 20px;border-radius:var(--radius-s);
  background:var(--brand-soft);display:flex;flex-wrap:wrap;gap:28px;
}
.case-result div strong{display:block;font-size:20px;color:var(--brand-dark);font-weight:800;}
.case-result div span{font-size:13px;color:var(--ink-3);}

/* ---------- 场景适配 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--brand-line);}
.scene-card .badge-line{
  display:inline-block;font-size:12.6px;font-weight:700;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:16px;
}
.scene-card h3{font-size:18px;margin-bottom:10px;}
.scene-card p{font-size:14.2px;color:var(--ink-2);margin-bottom:16px;}
.scene-card ul li{
  font-size:13.8px;color:var(--ink-2);padding-left:20px;position:relative;margin-bottom:8px;
}
.scene-card ul li::before{
  content:"";position:absolute;left:4px;top:10px;width:6px;height:6px;
  border-radius:50%;background:var(--brand);opacity:.7;
}

/* ---------- 口碑墙 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-s);position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.quote-card .mark{font-size:26px;color:var(--brand-line);line-height:1;margin-bottom:12px;}
.quote-card p{font-size:15px;color:var(--ink);margin-bottom:18px;line-height:1.72;}
.quote-user{display:flex;align-items:center;gap:12px;}
.quote-avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:14px;
}
.quote-user strong{display:block;font-size:14px;color:var(--ink);}
.quote-user span{font-size:12.6px;color:var(--ink-3);}

/* ---------- 专题索引 ---------- */
.topic-cloud{display:flex;flex-wrap:wrap;gap:12px;}
.topic-chip{
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:10px 20px;font-size:14px;font-weight:600;color:var(--ink-2);
  box-shadow:var(--shadow-xs);transition:all .2s ease;
}
.topic-chip:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px);box-shadow:0 10px 20px rgba(31,94,255,.22);}

/* ---------- 合作伙伴 ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.partner-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);
  padding:20px 12px;text-align:center;font-size:13.8px;font-weight:700;color:var(--ink-2);
  box-shadow:var(--shadow-xs);transition:all .2s ease;
}
.partner-item:hover{color:var(--brand-dark);border-color:var(--brand-line);transform:translateY(-3px);box-shadow:var(--shadow-s);}
.partner-item i{display:block;font-size:18px;color:var(--brand);margin-bottom:9px;}

/* ---------- 保障条 ---------- */
.guard{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.guard-item{display:flex;gap:14px;align-items:flex-start;}
.guard-item i{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:16px;
}
.guard-item h4{font-size:15.4px;margin-bottom:5px;}
.guard-item p{font-size:13.6px;color:var(--ink-3);}

/* ---------- 订阅入口 ---------- */
.join{
  background:linear-gradient(150deg,#10224d 0%,#1a3f96 55%,#2f6be0 100%);
  border-radius:var(--radius-l);padding:52px 48px;color:#fff;
  display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center;
  box-shadow:var(--shadow-l);position:relative;overflow:hidden;
}
.join::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 280px at 88% 6%,rgba(255,255,255,.2),transparent 60%);
}
.join > *{position:relative;z-index:2;}
.join h2{color:#fff;font-size:clamp(21px,2.4vw,29px);margin-bottom:14px;}
.join p{color:rgba(255,255,255,.82);font-size:15.2px;}
.join-form{display:flex;gap:12px;flex-wrap:wrap;}
.join-form input{
  flex:1;min-width:200px;height:52px;border-radius:999px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.12);color:#fff;padding:0 22px;font-size:15px;
  transition:background .2s ease,border-color .2s ease;
}
.join-form input::placeholder{color:rgba(255,255,255,.62);}
.join-form input:focus{outline:none;background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.55);}
.join-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.66);}

/* ---------- 页脚 ---------- */
.site-foot{background:#0d1830;color:#94a3bd;padding:60px 0 0;margin-top:70px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.foot-brand .logo{color:#fff;margin-bottom:16px;}
.foot-brand p{font-size:14px;color:#8fa0bd;max-width:330px;}
.foot-col h5{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.foot-col a{display:block;font-size:14px;color:#93a4c2;margin-bottom:11px;}
.foot-col a:hover{color:#fff;}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13.4px;color:#7f90ad;
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.97);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);padding:8px 4px 6px;
  box-shadow:0 -6px 20px rgba(20,42,90,.07);
}
.mobile-tab a{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  font-size:11.4px;font-weight:600;color:var(--ink-3);
}
.mobile-tab a i{font-size:17px;}
.mobile-tab a.active{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:54px 0 58px;}
  .stage{max-width:400px;}
  .feed{grid-template-columns:1fr;gap:28px;}
  .feed-side{position:static;}
  .bento{grid-template-columns:1fr;}
  .pick-main{grid-row:auto;}
  .case{grid-template-columns:1fr;}
  .partner-grid{grid-template-columns:repeat(3,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .join{grid-template-columns:1fr;padding:42px 34px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .head-search input{width:150px;}
}
@media (max-width:768px){
  body{padding-bottom:70px;}
  .mobile-tab{display:flex;}
  .sec{padding:48px 0;}
  .strip-grid{grid-template-columns:repeat(2,1fr);}
  .strip-item{border-right:none;border-bottom:1px solid var(--line);padding:20px 16px;}
  .strip-item:nth-child(2){border-right:none;}
  .chan-grid,.scene-grid,.quote-grid{grid-template-columns:1fr;}
  .rank-wrap{grid-template-columns:1fr;}
  .guard-grid{grid-template-columns:1fr 1fr;}
  .case-steps{grid-template-columns:1fr;}
  .case-main{padding:30px 24px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .head-search{display:none;}
  .rail-card{flex:0 0 258px;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .hero h1{font-size:25px;}
  .hero-lead{font-size:16px;}
  .timeline{grid-template-columns:1fr;}
  .partner-grid{grid-template-columns:repeat(2,1fr);}
  .guard-grid{grid-template-columns:1fr;}
  .join{padding:34px 22px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .feed-row{grid-template-columns:64px 1fr;gap:14px;padding:18px 18px;}
  .feed-row .tag{display:none;}
  .stage-frame h3{font-size:20px;}
}

/* roulang page: category3 */
:root{
 --brand:#1f5eff;
 --brand-dark:#123cba;
 --brand-soft:#eef3ff;
 --brand-line:#d7e3ff;
 --accent:#ff7a45;
 --accent-soft:#fff2ec;
 --ink:#0f1c33;
 --ink-2:#3d4d68;
 --ink-3:#7d8ba5;
 --line:#e6ecf6;
 --bg:#f6f9fe;
 --white:#ffffff;
 --radius-xs:8px;
 --radius-s:12px;
 --radius:18px;
 --radius-l:26px;
 --shadow-xs:0 1px 4px rgba(20,42,90,.05);
 --shadow-s:0 4px 14px rgba(20,42,90,.07);
 --shadow:0 12px 32px rgba(20,42,90,.09);
 --shadow-l:0 28px 64px rgba(20,42,90,.13);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);
 color:var(--ink-2);
 font-size:16px;
 line-height:1.75;
 letter-spacing:.01em;
}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:800;line-height:1.35;margin:0 0 14px;letter-spacing:-.005em;}
p{margin:0 0 14px;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-dark);}
img{max-width:100%;display:block;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
.section{padding:64px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin-bottom:10px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(21px,2.4vw,29px);margin:0;}
.section-head .sub{margin:8px 0 0;font-size:15px;color:var(--ink-3);max-width:660px;}
.section-head .more-link{font-size:14px;font-weight:700;white-space:nowrap;}
/* ---------- 顶部导航 ---------- */
.site-head{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.93);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.head-inner{display:flex;align-items:center;gap:20px;min-height:70px;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.logo-mark{
 width:34px;height:34px;border-radius:11px;
 background:linear-gradient(135deg,var(--brand),#4f8cff);
 color:#fff;display:grid;place-items:center;font-size:15px;
 box-shadow:0 8px 18px rgba(31,94,255,.28);
}
.logo:hover{color:var(--brand-dark);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav a{position:relative;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.main-nav a.active{background:var(--brand-soft);color:var(--brand-dark);}
.main-nav a.active::after{
 content:"";position:absolute;left:50%;transform:translateX(-50%);
 bottom:2px;width:16px;height:3px;border-radius:3px;background:var(--brand);
}
.head-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.head-search{position:relative;}
.head-search input{
 width:186px;height:40px;border-radius:999px;border:1px solid var(--line);
 background:#f8faff;padding:0 16px 0 38px;font-size:14px;color:var(--ink);
 transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.head-search input::placeholder{color:var(--ink-3);}
.head-search input:focus{outline:none;border-color:var(--brand-line);box-shadow:0 0 0 4px rgba(31,94,255,.1);width:210px;}
.head-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:13px;}
/* ---------- 按钮 / 标签 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border:none;cursor:pointer;border-radius:999px;
 font-weight:700;font-size:15px;padding:12px 24px;
 transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:3px solid rgba(31,94,255,.35);outline-offset:2px;}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(31,94,255,.26);}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,94,255,.32);}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-xs);}
.btn-ghost:hover{color:var(--brand-dark);border-color:var(--brand-line);transform:translateY(-2px);}
.btn-soft{background:var(--brand-soft);color:var(--brand-dark);}
.btn-soft:hover{background:#e1ebff;color:var(--brand-dark);}
.btn-light{background:#fff;color:var(--brand-dark);}
.btn-light:hover{background:#eef3ff;color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;
 background:var(--brand-soft);color:var(--brand-dark);
}
.tag-accent{background:var(--accent-soft);color:#c74f1d;}
.tag-line{background:#fff;border:1px solid var(--line);color:var(--ink-2);}
.tag-light{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.28);}
/* ---------- 频道头部 ---------- */
.page-hero{
 position:relative;overflow:hidden;
 background:
 radial-gradient(720px 380px at 92% -10%,rgba(31,94,255,.11),transparent 62%),
 radial-gradient(520px 320px at 2% 108%,rgba(255,122,69,.09),transparent 58%),
 #fff;
 border-bottom:1px solid var(--line);
 padding:40px 0 56px;
}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--ink-3);margin-bottom:22px;}
.crumb a{color:var(--ink-3);font-weight:600;}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;opacity:.6;}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 348px;gap:52px;align-items:start;}
.page-hero h1{font-size:clamp(26px,3.3vw,40px);line-height:1.32;margin:14px 0 18px;}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.page-hero .lead{
 font-size:17.5px;font-weight:600;color:var(--ink);
 padding-left:16px;border-left:3px solid var(--accent);
 line-height:1.65;margin-bottom:18px;
}
.page-hero .desc{font-size:15.5px;max-width:640px;margin-bottom:26px;}
.page-hero .actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-panel{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
 padding:26px;box-shadow:var(--shadow);
}
.hero-panel h3{font-size:17px;margin-bottom:6px;}
.hero-panel .panel-note{font-size:13.5px;color:var(--ink-3);margin-bottom:18px;}
.panel-rows{display:grid;gap:14px;}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:13px;border-bottom:1px dashed var(--line);}
.panel-row:last-child{border-bottom:none;padding-bottom:0;}
.panel-row span{font-size:14px;color:var(--ink-2);}
.panel-row strong{font-size:19px;color:var(--brand);font-weight:800;}
.panel-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
/* ---------- 数据条 ---------- */
.stat-band{background:#fff;border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(5,1fr);}
.stat-item{padding:26px 20px 24px;border-right:1px dashed var(--line);}
.stat-item:last-child{border-right:none;}
.stat-item strong{display:block;font-size:28px;font-weight:800;color:var(--brand);line-height:1.2;}
.stat-item span{display:block;font-size:13.5px;color:var(--ink-3);margin-top:4px;}
/* ---------- 主题索引 ---------- */
.topic-index{display:flex;flex-wrap:wrap;gap:10px;}
.topic-chip{
 display:inline-flex;align-items:center;gap:8px;
 padding:9px 16px;border-radius:999px;background:#fff;
 border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink-2);
 box-shadow:var(--shadow-xs);transition:all .2s ease;
}
.topic-chip i{color:var(--brand);font-size:12px;}
.topic-chip:hover{color:var(--brand-dark);border-color:var(--brand-line);transform:translateY(-2px);box-shadow:var(--shadow-s);}
/* ---------- 精选手记卡 ---------- */
.pick-card{
 display:flex;flex-direction:column;height:100%;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-xs);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-line);}
.pick-cover{
 position:relative;aspect-ratio:16/10;display:grid;place-items:center;
 color:#fff;font-size:26px;
}
.cover-1{background:linear-gradient(150deg,#132a63,#2f6be0);}
.cover-2{background:linear-gradient(150deg,#123cba,#4f8cff);}
.cover-3{background:linear-gradient(150deg,#2b3f6b,#5a7fc7);}
.cover-4{background:linear-gradient(150deg,#c74f1d,#ff9a6b);}
.pick-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
.pick-body .meta{font-size:12.5px;color:var(--ink-3);margin-bottom:9px;display:flex;gap:10px;flex-wrap:wrap;}
.pick-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.pick-body p{font-size:14px;color:var(--ink-2);margin-bottom:16px;}
.pick-body .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}
/* ---------- 城市切片 ---------- */
.city-list{display:grid;gap:14px;}
.city-row{
 display:grid;grid-template-columns:250px minmax(0,1fr) 200px;gap:26px;align-items:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 26px;box-shadow:var(--shadow-xs);
 transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.city-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-s);border-color:var(--brand-line);}
.city-name{display:flex;align-items:center;gap:14px;}
.city-code{
 width:42px;height:42px;border-radius:13px;background:var(--brand-soft);color:var(--brand-dark);
 display:grid;place-items:center;font-weight:800;font-size:15px;flex:none;
}
.city-name h3{font-size:17px;margin:0;}
.city-name span{font-size:12.5px;color:var(--ink-3);}
.city-desc{font-size:14.5px;color:var(--ink-2);margin:0;}
.city-tags{display:flex;flex-wrap:wrap;gap:7px;justify-content:flex-end;}
.city-tags .tag{font-size:12px;padding:4px 11px;}
/* ---------- 专题与排行 ---------- */
.topic-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:26px;}
.feature-card{
 background:linear-gradient(160deg,#132a63 0%,#1f4bb8 56%,#3a7bff 100%);
 color:#fff;border-radius:var(--radius-l);padding:32px;box-shadow:var(--shadow-l);
 position:relative;overflow:hidden;
}
.feature-card::before{
 content:"";position:absolute;inset:0;
 background:radial-gradient(240px 190px at 84% 6%,rgba(255,255,255,.24),transparent 66%);
}
.feature-card > *{position:relative;}
.feature-card h3{color:#fff;font-size:24px;line-height:1.4;margin-bottom:12px;}
.feature-card p{color:rgba(255,255,255,.82);font-size:14.5px;}
.feature-points{display:grid;gap:10px;margin:20px 0 24px;}
.feature-points li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.9);}
.feature-points i{color:#9dc0ff;margin-top:5px;font-size:12px;}
.rank-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-s);}
.rank-card h3{font-size:17px;margin-bottom:16px;}
.rank-list{display:grid;gap:2px;}
.rank-item{display:flex;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line);align-items:flex-start;}
.rank-item:last-child{border-bottom:none;}
.rank-num{
 width:26px;height:26px;border-radius:9px;flex:none;display:grid;place-items:center;
 font-size:13px;font-weight:800;background:var(--brand-soft);color:var(--brand-dark);
}
.rank-item:nth-child(1) .rank-num{background:var(--accent-soft);color:#c74f1d;}
.rank-item h4{font-size:15px;margin:0 0 4px;font-weight:700;}
.rank-item span{font-size:12.5px;color:var(--ink-3);}
/* ---------- 数据面板 ---------- */
.data-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.data-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-s);}
.data-card h3{font-size:17.5px;margin-bottom:4px;}
.data-card .hint{font-size:13px;color:var(--ink-3);margin-bottom:22px;}
.bar-list{display:grid;gap:16px;}
.bar-top{display:flex;justify-content:space-between;font-size:14px;margin-bottom:7px;}
.bar-top span{color:var(--ink-2);font-weight:600;}
.bar-top strong{color:var(--ink);font-weight:800;}
.bar-track{height:9px;border-radius:999px;background:#eef3fb;overflow:hidden;}
.bar-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#1f5eff,#5b93ff);}
.bar-fill.alt{background:linear-gradient(90deg,#ff7a45,#ffab84);}
/* ---------- 读者来信 ---------- */
.letter-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
 height:100%;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;
 transition:transform .2s ease,box-shadow .2s ease;
}
.letter-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-s);}
.letter-card .quote-mark{font-size:20px;color:var(--brand-line);margin-bottom:12px;}
.letter-card p{font-size:14.5px;color:var(--ink-2);flex:1;}
.letter-author{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px dashed var(--line);}
.avatar{
 width:40px;height:40px;border-radius:12px;flex:none;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:14px;
}
.letter-author strong{display:block;font-size:14px;color:var(--ink);}
.letter-author span{font-size:12.5px;color:var(--ink-3);}
/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
 border:1px solid var(--line);border-radius:var(--radius) !important;
 margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:var(--shadow-xs);
}
.faq-acc .accordion-button{
 font-weight:700;font-size:15.5px;color:var(--ink);background:#fff;
 padding:18px 22px;box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark);}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 4px rgba(31,94,255,.12);border-color:var(--brand-line);}
.faq-acc .accordion-button::after{
 background-image:none;content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
 display:grid;place-items:center;transform:none;transition:transform .2s ease;color:var(--brand);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-acc .accordion-body{font-size:14.5px;color:var(--ink-2);padding:4px 22px 20px;background:#fff;}
/* ---------- 订阅 CTA ---------- */
.cta-band{
 background:linear-gradient(140deg,#0f2350 0%,#1a45a8 58%,#2f6be0 100%);
 color:#fff;padding:60px 0;
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:44px;align-items:center;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.5vw,30px);margin:14px 0 12px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin:0;}
.cta-form{
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
 border-radius:var(--radius);padding:24px;backdrop-filter:blur(8px);
}
.cta-form .field{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{
 flex:1;min-width:180px;height:48px;border-radius:999px;border:1px solid rgba(255,255,255,.3);
 background:rgba(255,255,255,.94);padding:0 20px;color:var(--ink);font-size:14.5px;
}
.cta-form input:focus{outline:none;box-shadow:0 0 0 4px rgba(255,255,255,.28);}
.form-note{font-size:12.5px;color:rgba(255,255,255,.72);margin:14px 0 0;}
/* ---------- 页脚 ---------- */
.site-foot{background:#0c1a36;color:rgba(255,255,255,.72);padding:56px 0 28px;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);}
.site-foot .logo{color:#fff;margin-bottom:14px;}
.site-foot .logo:hover{color:#cfe0ff;}
.foot-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:380px;margin:0;}
.foot-col h5{color:#fff;font-size:15px;margin-bottom:16px;}
.foot-col a{display:block;font-size:14px;color:rgba(255,255,255,.66);padding:5px 0;}
.foot-col a:hover{color:#fff;}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);}
/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{
 position:fixed;left:0;right:0;bottom:0;z-index:1040;
 display:none;background:rgba(255,255,255,.97);
 border-top:1px solid var(--line);
 box-shadow:0 -8px 24px rgba(20,42,90,.08);
 padding:8px 6px calc(8px + env(safe-area-inset-bottom));
}
.mobile-tab a{
 flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
 font-size:11.5px;font-weight:600;color:var(--ink-3);padding:5px 2px;border-radius:12px;
}
.mobile-tab a i{font-size:17px;}
.mobile-tab a.active{color:var(--brand);background:var(--brand-soft);}
/* ---------- 响应式 ---------- */
@media (max-width:1080px){
 .page-hero-grid{grid-template-columns:minmax(0,1fr) 320px;gap:36px;}
 .city-row{grid-template-columns:220px minmax(0,1fr);}
 .city-tags{grid-column:2;justify-content:flex-start;}
}
@media (max-width:991px){
 .main-nav{display:none;}
 .head-search{display:none;}
 .mobile-tab{display:flex;}
 body{padding-bottom:70px;}
 .page-hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
 .topic-layout{grid-template-columns:minmax(0,1fr);}
 .cta-inner{grid-template-columns:minmax(0,1fr);gap:28px;}
 .stat-grid{grid-template-columns:repeat(3,1fr);}
 .stat-item{border-bottom:1px dashed var(--line);}
 .stat-item:nth-child(3n){border-right:none;}
 .stat-item:nth-child(3n) ~ .stat-item{border-bottom:none;}
 .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:768px){
 .section{padding:48px 0;}
 .data-layout{grid-template-columns:minmax(0,1fr);}
 .city-row{grid-template-columns:minmax(0,1fr);gap:14px;padding:20px;}
 .city-tags{grid-column:auto;}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .stat-item:nth-child(3n){border-right:1px dashed var(--line);}
 .stat-item:nth-child(even){border-right:none;}
 .stat-item:nth-child(3n) ~ .stat-item{border-bottom:1px dashed var(--line);}
 .stat-item:nth-last-child(-n+2){border-bottom:none;}
 .head-inner{min-height:62px;}
 .logo{font-size:17px;}
 .logo-mark{width:30px;height:30px;border-radius:10px;font-size:14px;}
}
@media (max-width:520px){
 .page-hero{padding:28px 0 42px;}
 .page-hero .lead{font-size:16px;}
 .page-hero .desc{font-size:14.5px;}
 .hero-panel{padding:20px;}
 .cta-form{padding:18px;}
 .foot-grid{grid-template-columns:minmax(0,1fr);}
 .foot-bottom{flex-direction:column;gap:6px;}
 .btn{padding:11px 20px;font-size:14.5px;}
 .feature-card{padding:24px;}
 .feature-card h3{font-size:20px;}
}

/* roulang page: category1 */
/* ================= 设计变量（与首页一致） ================= */
:root{
 --brand:#1f5eff;
 --brand-dark:#123cba;
 --brand-soft:#eef3ff;
 --brand-line:#d7e3ff;
 --accent:#ff7a45;
 --accent-soft:#fff2ec;
 --ink:#0f1c33;
 --ink-2:#3d4d68;
 --ink-3:#7d8ba5;
 --line:#e6ecf6;
 --bg:#f6f9fe;
 --white:#ffffff;
 --radius-xs:8px;
 --radius-s:12px;
 --radius:18px;
 --radius-l:26px;
 --shadow-xs:0 1px 4px rgba(20,42,90,.05);
 --shadow-s:0 4px 14px rgba(20,42,90,.07);
 --shadow:0 12px 32px rgba(20,42,90,.09);
 --shadow-l:0 28px 64px rgba(20,42,90,.13);
 --max:1180px;
}

/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);
 color:var(--ink-2);
 font-size:16px;
 line-height:1.75;
 letter-spacing:.01em;
}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:800;line-height:1.35;margin:0;letter-spacing:-.005em;}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-dark);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(31,94,255,.38);outline-offset:2px;border-radius:8px;}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}

/* ================= 头部导航 ================= */
.site-head{
 position:sticky;top:0;z-index:70;
 background:rgba(255,255,255,.95);
 backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line);
 box-shadow:0 2px 16px rgba(20,42,90,.04);
}
.head-inner{display:flex;align-items:center;gap:18px;height:74px;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap;}
.logo-mark{
 width:34px;height:34px;border-radius:11px;
 background:linear-gradient(135deg,var(--brand),#4f8cff);
 color:#fff;display:grid;place-items:center;font-size:15px;
 box-shadow:0 8px 18px rgba(31,94,255,.28);
}
.logo:hover{color:var(--brand-dark);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav a{
 position:relative;padding:9px 15px;border-radius:999px;
 font-size:15px;font-weight:600;color:var(--ink-2);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.main-nav a.active{background:var(--brand-soft);color:var(--brand-dark);}
.main-nav a.active::after{
 content:"";position:absolute;left:50%;transform:translateX(-50%);
 bottom:2px;width:16px;height:3px;border-radius:3px;background:var(--brand);
}
.head-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.head-search{position:relative;}
.head-search input{
 width:186px;height:40px;border-radius:999px;border:1px solid var(--line);
 background:#f8faff;padding:0 16px 0 38px;font-size:14px;color:var(--ink);
 transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.head-search input::placeholder{color:var(--ink-3);}
.head-search input:focus{outline:none;border-color:var(--brand-line);box-shadow:0 0 0 4px rgba(31,94,255,.1);width:212px;}
.head-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:13px;}

/* ================= 按钮 ================= */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border:none;cursor:pointer;border-radius:999px;
 font-weight:700;font-size:15px;padding:12px 24px;
 transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(31,94,255,.26);}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,94,255,.32);}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-xs);}
.btn-ghost:hover{color:var(--brand-dark);border-color:var(--brand-line);transform:translateY(-2px);}
.btn-soft{background:var(--brand-soft);color:var(--brand-dark);}
.btn-soft:hover{background:#e1ebff;color:var(--brand-dark);}
.btn-light{background:#fff;color:var(--brand-dark);}
.btn-light:hover{background:#eef3ff;color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ================= 标签 ================= */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;
 background:var(--brand-soft);color:var(--brand-dark);
}
.tag-accent{background:var(--accent-soft);color:#c74f1d;}
.tag-line{background:#fff;border:1px solid var(--line);color:var(--ink-2);}

/* ================= 分类页 KV 全宽沉浸 ================= */
.kv{
 position:relative;overflow:hidden;color:#fff;
 background:
  radial-gradient(900px 480px at 84% -14%,rgba(255,122,69,.30),transparent 62%),
  radial-gradient(760px 460px at 2% 112%,rgba(31,94,255,.46),transparent 62%),
  linear-gradient(150deg,#0b1734 0%,#16337a 46%,#1f5eff 100%);
}
.kv::after{
 content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;
 border-radius:50%;border:1px solid rgba(255,255,255,.14);
 box-shadow:0 0 0 60px rgba(255,255,255,.05),0 0 0 130px rgba(255,255,255,.03);
 pointer-events:none;
}
.kv-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:minmax(0,1fr) 396px;gap:56px;align-items:center;
 padding:62px 0 76px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;}
.crumb span.sep{opacity:.5;}
.kv h1{
 color:#fff;font-size:clamp(27px,3.5vw,43px);line-height:1.28;margin:0 0 14px;
}
.kv h1 em{font-style:normal;color:#ffd9c6;}
.kv-lead{
 font-size:16.5px;color:rgba(255,255,255,.86);max-width:640px;margin-bottom:26px;
 padding-left:16px;border-left:3px solid var(--accent);
}
.countdown{
 display:flex;align-items:center;gap:18px;flex-wrap:wrap;
 background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.22);
 border-radius:var(--radius);
 padding:14px 20px;margin-bottom:26px;max-width:600px;
 backdrop-filter:blur(8px);
}
.cd-label{font-size:13px;font-weight:700;color:#fff;letter-spacing:.02em;white-space:nowrap;}
.cd-label i{margin-right:6px;color:#ffd9c6;}
.cd-nums{display:flex;align-items:center;gap:10px;}
.cd-nums div{display:flex;align-items:baseline;gap:3px;}
.cd-nums strong{
 font-size:21px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;
 min-width:34px;text-align:center;background:rgba(255,255,255,.14);
 border-radius:10px;padding:2px 6px;line-height:1.4;
}
.cd-nums span{font-size:12px;color:rgba(255,255,255,.7);}
.kv-cta{display:flex;flex-wrap:wrap;gap:12px;}
.kv-card{
 background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.24);
 border-radius:var(--radius-l);
 padding:26px;
 backdrop-filter:blur(10px);
 box-shadow:var(--shadow-l);
 color:#fff;
}
.kv-tag{
 display:inline-block;padding:5px 13px;border-radius:999px;
 background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);
 font-size:12.5px;font-weight:700;margin-bottom:16px;
}
.kv-card h2{color:#fff;font-size:23px;line-height:1.4;margin-bottom:12px;}
.kv-card p{font-size:14px;color:rgba(255,255,255,.82);margin-bottom:18px;}
.kv-list{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.2);}
.kv-list li{
 display:flex;align-items:center;gap:10px;
 padding:11px 0;font-size:13.5px;color:rgba(255,255,255,.88);
 border-bottom:1px solid rgba(255,255,255,.12);
}
.kv-list li:last-child{border-bottom:none;}
.kv-list i{color:#ffd9c6;width:16px;text-align:center;}

/* ================= 数据条 ================= */
.stat-strip{position:relative;z-index:5;margin-top:-46px;}
.stat-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:22px 20px;height:100%;
 transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:var(--brand-line);}
.stat-card i{
 display:grid;place-items:center;width:38px;height:38px;border-radius:12px;
 background:var(--brand-soft);color:var(--brand-dark);font-size:15px;margin-bottom:12px;
}
.stat-card strong{display:block;font-size:25px;color:var(--ink);font-weight:800;line-height:1.2;}
.stat-card span{font-size:13.5px;color:var(--ink-3);}

/* ================= 通用板块 ================= */
.sec{padding:68px 0;}
.sec-tint{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{
 display:flex;align-items:flex-end;justify-content:space-between;gap:26px;
 margin-bottom:34px;flex-wrap:wrap;
}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:8px;}
.sec-head p{color:var(--ink-2);font-size:15px;max-width:660px;}
.sec-eyebrow{
 display:inline-flex;align-items:center;gap:7px;
 font-size:13px;font-weight:700;color:var(--brand-dark);
 background:var(--brand-soft);padding:5px 13px;border-radius:999px;margin-bottom:12px;
}

/* ================= 栏目分组卡 ================= */
.topic-card{
 position:relative;overflow:hidden;height:100%;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px 24px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
}
.topic-card::after{
 content:"";position:absolute;right:-46px;top:-46px;width:132px;height:132px;
 border-radius:50%;background:var(--brand-soft);opacity:.75;
}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--brand-line);}
.topic-icon{
 position:relative;z-index:2;
 width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-size:19px;margin-bottom:16px;
}
.topic-card h3{position:relative;z-index:2;font-size:18px;margin-bottom:10px;}
.topic-card p{position:relative;z-index:2;font-size:14.5px;color:var(--ink-2);margin-bottom:16px;}
.topic-meta{
 position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
 padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-3);
}

/* ================= 精选故事 ================= */
.feat-main{
 position:relative;min-height:430px;border-radius:var(--radius-l);overflow:hidden;
 display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow);
 background:
  linear-gradient(180deg,rgba(11,23,52,.10) 12%,rgba(11,23,52,.82) 78%),
  linear-gradient(140deg,#1b3c8e 0%,#3a7bff 58%,#79aaff 100%);
 transition:transform .22s ease,box-shadow .25s ease;
}
.feat-main::before{
 content:"";position:absolute;inset:auto -60px -110px auto;width:340px;height:340px;border-radius:50%;
 background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.32),rgba(255,255,255,0) 68%);
}
.feat-main:hover{transform:translateY(-5px);box-shadow:var(--shadow-l);}
.feat-body{position:relative;z-index:2;padding:30px 28px;}
.feat-body h3{color:#fff;font-size:23px;margin-bottom:10px;}
.feat-body p{color:rgba(255,255,255,.85);font-size:14.5px;max-width:560px;}
.feat-body .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.feat-body .tags .tag{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.26);}
.feat-foot{
 display:flex;align-items:center;gap:16px;flex-wrap:wrap;
 margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.22);
 font-size:13px;color:rgba(255,255,255,.82);
}
.feat-card{
 display:flex;gap:18px;align-items:flex-start;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px;box-shadow:var(--shadow-xs);height:100%;
 transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-line);}
.feat-thumb{
 flex:0 0 76px;height:76px;border-radius:var(--radius-s);
 display:grid;place-items:center;color:#fff;font-size:22px;
 background:linear-gradient(140deg,#1f4bb8,#4f8cff);
}
.feat-thumb.warm{background:linear-gradient(140deg,#c74f1d,#ff9d6e);}
.feat-thumb.deep{background:linear-gradient(140deg,#0f2a6b,#3a7bff);}
.feat-card h3{font-size:16.5px;margin-bottom:8px;}
.feat-card p{font-size:14px;color:var(--ink-2);margin-bottom:10px;}
.feat-card .meta{font-size:12.5px;color:var(--ink-3);display:flex;gap:14px;flex-wrap:wrap;}

/* ================= 城市现场 ================= */
.city-list{display:flex;flex-direction:column;gap:10px;}
.city-btn{
 display:flex;align-items:center;justify-content:space-between;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);
 padding:15px 18px;font-size:15px;font-weight:700;color:var(--ink-2);
 box-shadow:var(--shadow-xs);
 transition:all .2s ease;
}
.city-btn em{font-style:normal;font-size:12.5px;color:var(--ink-3);font-weight:600;}
.city-btn:hover{border-color:var(--brand-line);color:var(--brand-dark);transform:translateX(4px);}
.city-btn.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(31,94,255,.26);}
.city-btn.active em{color:rgba(255,255,255,.82);}
.city-panel{display:flex;flex-direction:column;gap:16px;}
.city-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 24px 20px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
}
.city-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--brand-line);}
.city-item h3{font-size:18px;margin-bottom:10px;}
.city-item p{font-size:14.5px;margin-bottom:14px;}
.city-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:12.5px;color:var(--ink-3);}

/* ================= 本周更新时间线 ================= */
.tl{position:relative;padding-left:28px;margin:0;list-style:none;}
.tl::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;background:var(--brand-line);}
.tl-item{position:relative;padding:14px 0;}
.tl-item::before{
 content:"";position:absolute;left:-28px;top:22px;width:13px;height:13px;border-radius:50%;
 background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(31,94,255,.10);
}
.tl-item time{font-size:13px;font-weight:700;color:var(--brand-dark);display:block;margin-bottom:4px;}
.tl-item h3{font-size:16.5px;margin-bottom:6px;}
.tl-item p{font-size:14px;color:var(--ink-2);}
.tl-more{margin-top:26px;}

/* ================= 读者来信 ================= */
.quote-card{
 position:relative;height:100%;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:28px 24px 24px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
}
.quote-card::before{
 content:"\201C";position:absolute;top:6px;left:20px;
 font-size:58px;line-height:1;color:var(--brand-line);font-family:Georgia,serif;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-line);}
.quote-card p{position:relative;z-index:2;font-size:15px;color:var(--ink-2);margin-bottom:18px;padding-top:16px;}
.quote-user{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px dashed var(--line);}
.quote-avatar{
 width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:14px;
}
.quote-user strong{font-size:14.5px;color:var(--ink);display:block;line-height:1.4;}
.quote-user span{font-size:12.5px;color:var(--ink-3);}

/* ================= FAQ ================= */
.faq .accordion-item{
 border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 margin-bottom:14px;background:#fff;box-shadow:var(--shadow-xs);
}
.faq .accordion-button{
 font-weight:700;font-size:16px;color:var(--ink);background:#fff;
 padding:20px 22px;box-shadow:none;border-radius:var(--radius);
}
.faq .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark);}
.faq .accordion-button:focus{box-shadow:none;}
.faq .accordion-button::after{width:1.05rem;height:1.05rem;background-size:1.05rem;}
.faq .accordion-body{padding:2px 22px 22px;font-size:14.5px;color:var(--ink-2);}

/* ================= 订阅 CTA ================= */
.cta-band{
 position:relative;overflow:hidden;color:#fff;
 background:
  radial-gradient(700px 360px at 88% 0%,rgba(255,122,69,.26),transparent 62%),
  linear-gradient(140deg,#0b1734 0%,#16337a 52%,#1f5eff 100%);
}
.cta-inner{
 display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:52px;
 align-items:center;padding:66px 0;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,31px);margin-bottom:12px;}
.cta-band p.lead{color:rgba(255,255,255,.84);font-size:15.5px;max-width:560px;margin-bottom:22px;}
.cta-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.88);}
.cta-points i{color:#ffd9c6;margin-top:5px;}
.cta-form{
 background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.24);
 border-radius:var(--radius-l);padding:28px;
 backdrop-filter:blur(10px);box-shadow:var(--shadow-l);
}
.cta-form h3{color:#fff;font-size:19px;margin-bottom:8px;}
.cta-form p{font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:18px;}
.form-row{display:flex;flex-direction:column;gap:12px;}
.form-row label{font-size:13px;font-weight:700;color:rgba(255,255,255,.9);}
.form-row input{
 width:100%;height:48px;border-radius:var(--radius-s);
 border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.92);
 padding:0 16px;font-size:15px;color:var(--ink);
 transition:box-shadow .2s ease,border-color .2s ease;
}
.form-row input::placeholder{color:var(--ink-3);}
.form-row input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.22);}
.form-note{font-size:12.5px;color:rgba(255,255,255,.7);margin-top:12px;}

/* ================= 页脚 ================= */
.site-foot{background:#0b1734;color:rgba(255,255,255,.72);padding:56px 0 28px;}
.site-foot .logo{color:#fff;margin-bottom:16px;}
.site-foot .logo:hover{color:#fff;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);}
.foot-brand p{font-size:14px;color:rgba(255,255,255,.66);max-width:360px;}
.foot-col h5{color:#fff;font-size:15px;margin-bottom:16px;}
.foot-col a{display:block;font-size:14px;color:rgba(255,255,255,.7);padding:5px 0;}
.foot-col a:hover{color:#fff;}
.foot-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding-top:22px;font-size:13px;color:rgba(255,255,255,.56);
}

/* ================= 移动端底部 Tab ================= */
.tabbar{display:none;}

/* ================= 响应式 ================= */
@media (max-width:1024px){
 .kv-inner{grid-template-columns:1fr;gap:38px;padding:52px 0 66px;}
 .kv-card{max-width:560px;}
 .cta-inner{grid-template-columns:1fr;gap:34px;padding:56px 0;}
 .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:900px){
 .main-nav{gap:0;}
 .main-nav a{padding:8px 11px;font-size:14px;}
 .head-search input{width:150px;}
 .head-search input:focus{width:170px;}
}
@media (max-width:768px){
 .head-inner{height:66px;gap:12px;}
 .main-nav{display:none;}
 .head-search{display:none;}
 .head-tools{margin-left:auto;}
 .logo{font-size:17px;}
 .sec{padding:50px 0;}
 .sec-head{margin-bottom:26px;}
 .stat-strip{margin-top:-30px;}
 .feat-main{min-height:330px;}
 .feat-body{padding:24px 20px;}
 .foot-grid{grid-template-columns:1fr;gap:24px;}
 .foot-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
 body{padding-bottom:74px;}
 .tabbar{
  display:grid;grid-template-columns:repeat(4,1fr);
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding:8px 6px 10px;
  box-shadow:0 -6px 22px rgba(20,42,90,.07);
 }
 .tabbar a{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  font-size:11px;font-weight:700;color:var(--ink-3);
  padding:5px 0;border-radius:14px;transition:all .2s ease;
 }
 .tabbar a i{font-size:17px;}
 .tabbar a.active{color:var(--brand);background:var(--brand-soft);}
}
@media (max-width:520px){
 .wrap{padding:0 16px;}
 .kv-inner{padding:40px 0 58px;}
 .countdown{gap:12px;padding:12px 14px;}
 .cd-nums strong{font-size:18px;min-width:30px;}
 .kv-cta .btn{flex:1 1 100%;}
 .stat-card{padding:18px 16px;}
 .feat-card{flex-direction:column;}
 .feat-thumb{width:100%;height:88px;flex:none;}
 .cta-form{padding:22px 18px;}
 .city-btn{padding:13px 15px;font-size:14px;}
}

/* roulang page: category2 */
:root{
 --brand:#1f5eff;
 --brand-dark:#123cba;
 --brand-soft:#eef3ff;
 --brand-line:#d7e3ff;
 --accent:#ff7a45;
 --accent-soft:#fff2ec;
 --ink:#0f1c33;
 --ink-2:#3d4d68;
 --ink-3:#7d8ba5;
 --line:#e6ecf6;
 --bg:#f6f9fe;
 --white:#ffffff;
 --night:#0b1730;
 --night-2:#142c66;
 --radius-xs:8px;
 --radius-s:12px;
 --radius:18px;
 --radius-l:26px;
 --shadow-xs:0 1px 4px rgba(20,42,90,.05);
 --shadow-s:0 4px 14px rgba(20,42,90,.07);
 --shadow:0 12px 32px rgba(20,42,90,.09);
 --shadow-l:0 28px 64px rgba(20,42,90,.13);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);
 color:var(--ink-2);
 font-size:16px;
 line-height:1.75;
 letter-spacing:.01em;
}
h1,h2,h3,h4,h5{margin:0 0 .45em;color:var(--ink);line-height:1.35;font-weight:800;letter-spacing:-.01em;}
h1{font-size:clamp(26px,3.2vw,40px);}
h2{font-size:clamp(22px,2.5vw,30px);}
h3{font-size:19px;}
h4{font-size:16.5px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-dark);}
img{max-width:100%;display:block;}
button,input,textarea{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(31,94,255,.35);outline-offset:2px;border-radius:8px;}
::selection{background:var(--brand);color:#fff;}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}

/* ---------- 顶部导航 ---------- */
.site-head{
 position:sticky;top:0;z-index:70;
 background:rgba(255,255,255,.93);
 backdrop-filter:saturate(180%) blur(14px);
 -webkit-backdrop-filter:saturate(180%) blur(14px);
 border-bottom:1px solid var(--line);
 box-shadow:var(--shadow-xs);
}
.head-inner{display:flex;align-items:center;gap:16px;min-height:72px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.logo:hover{color:var(--brand-dark);}
.logo-mark{
 width:34px;height:34px;border-radius:11px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--brand),#4f8cff);
 color:#fff;display:grid;place-items:center;font-size:15px;
 box-shadow:0 8px 18px rgba(31,94,255,.28);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav a{position:relative;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.main-nav a.active{background:var(--brand-soft);color:var(--brand-dark);}
.main-nav a.active::after{
 content:"";position:absolute;left:50%;transform:translateX(-50%);
 bottom:2px;width:16px;height:3px;border-radius:3px;background:var(--brand);
}
.head-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.head-search{position:relative;}
.head-search input{
 width:186px;height:40px;border-radius:999px;border:1px solid var(--line);
 background:#f8faff;padding:0 16px 0 38px;font-size:14px;color:var(--ink);
 transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.head-search input::placeholder{color:var(--ink-3);}
.head-search input:focus{outline:none;border-color:var(--brand-line);box-shadow:0 0 0 4px rgba(31,94,255,.1);width:210px;}
.head-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:13px;}

/* ---------- 按钮 / 标签 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border:none;cursor:pointer;border-radius:999px;
 font-weight:700;font-size:15px;padding:12px 24px;line-height:1.2;
 transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(31,94,255,.26);}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,94,255,.32);}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-xs);}
.btn-ghost:hover{color:var(--brand-dark);border-color:var(--brand-line);transform:translateY(-2px);}
.btn-soft{background:var(--brand-soft);color:var(--brand-dark);}
.btn-soft:hover{background:#e1ebff;color:var(--brand-dark);}
.btn-light{background:#fff;color:var(--brand-dark);}
.btn-light:hover{background:#eef3ff;color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;
 background:var(--brand-soft);color:var(--brand-dark);
}
.tag-accent{background:var(--accent-soft);color:#c74f1d;}
.tag-line{background:#fff;border:1px solid var(--line);color:var(--ink-2);}
.tag-dark{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.24);}

/* ---------- 板块基础 ---------- */
.section{padding:66px 0;}
.section-sm{padding:46px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px;flex-wrap:wrap;}
.sec-head .lead{max-width:640px;color:var(--ink-2);font-size:15.5px;margin:8px 0 0;}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 分类首屏 ---------- */
.cat-hero{
 position:relative;overflow:hidden;
 background:
  radial-gradient(700px 380px at 90% -12%,rgba(31,94,255,.12),transparent 62%),
  radial-gradient(520px 320px at 2% 104%,rgba(255,122,69,.1),transparent 60%),
  #fff;
 border-bottom:1px solid var(--line);
}
.cat-hero-inner{display:grid;grid-template-columns:1fr 366px;gap:52px;align-items:center;padding:58px 0 62px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:var(--ink-3);font-weight:600;}
.crumb a:hover{color:var(--brand);}
.crumb span.dot{opacity:.5;}
.cat-hero h1{margin-bottom:14px;}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.cat-hero .claim{
 font-size:17.5px;font-weight:600;color:var(--ink);
 padding-left:16px;border-left:3px solid var(--accent);
 margin-bottom:16px;line-height:1.62;
}
.cat-hero .desc{font-size:15.5px;max-width:620px;margin-bottom:24px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:30px;}
.hero-facts div{display:flex;flex-direction:column;}
.hero-facts strong{font-size:22px;color:var(--ink);font-weight:800;line-height:1.2;}
.hero-facts span{font-size:13px;color:var(--ink-3);margin-top:2px;}

.city-panel{
 border-radius:var(--radius-l);padding:26px;
 background:linear-gradient(168deg,var(--night) 0%,var(--night-2) 58%,#2b62d8 100%);
 color:#fff;box-shadow:var(--shadow-l);position:relative;overflow:hidden;
}
.city-panel::before{
 content:"";position:absolute;inset:0;
 background:radial-gradient(240px 190px at 84% 6%,rgba(255,255,255,.24),transparent 66%);
}
.city-panel > *{position:relative;}
.city-panel h3{color:#fff;font-size:18px;margin-bottom:6px;}
.city-panel .panel-note{font-size:13.5px;color:rgba(255,255,255,.76);margin-bottom:16px;}
.city-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.city-list span{
 font-size:13px;font-weight:600;padding:5px 12px;border-radius:999px;
 background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);color:#fff;
}
.panel-meta{border-top:1px solid rgba(255,255,255,.2);padding-top:16px;display:grid;gap:12px;}
.panel-meta div{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.8);}
.panel-meta strong{color:#fff;font-size:15px;font-weight:800;}

/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.channel-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-xs);
 display:flex;flex-direction:column;gap:10px;
 transition:transform .2s ease,box-shadow .22s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-line);}
.channel-card .ico{
 width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);font-size:17px;
}
.channel-card h3{font-size:17px;margin-bottom:2px;}
.channel-card p{font-size:14px;color:var(--ink-3);flex:1;}
.channel-card .go{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.channel-card.is-current{border-color:var(--brand-line);background:linear-gradient(180deg,#fff,var(--brand-soft));}
.channel-card.is-current .ico{background:var(--brand);color:#fff;box-shadow:0 8px 16px rgba(31,94,255,.26);}

/* ---------- 路线卡片 ---------- */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.route-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;
 transition:transform .2s ease,box-shadow .24s ease;
}
.route-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.route-thumb{
 height:132px;position:relative;display:flex;align-items:flex-end;padding:14px 16px;
 background:linear-gradient(150deg,#12224a,#1f4bb8 62%,#3a7bff);
 color:#fff;
}
.route-thumb.alt{background:linear-gradient(150deg,#1b2b4d,#3d4d68 60%,#7d8ba5);}
.route-thumb.warm{background:linear-gradient(150deg,#8f3b1c,#ff7a45 78%);}
.route-thumb i{position:absolute;right:16px;top:14px;font-size:22px;opacity:.55;}
.route-thumb .city{font-size:13px;font-weight:700;letter-spacing:.06em;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.28);padding:3px 11px;border-radius:999px;}
.route-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1;}
.route-body h3{font-size:17px;margin-bottom:0;}
.route-body p{font-size:14.2px;color:var(--ink-2);flex:1;margin-bottom:0;}
.route-meta{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:13px;color:var(--ink-3);border-top:1px dashed var(--line);padding-top:12px;}
.route-meta span{display:inline-flex;align-items:center;gap:6px;}
.route-meta i{color:var(--brand);font-size:12px;}

/* ---------- 数据带 ---------- */
.data-band{
 background:linear-gradient(140deg,var(--night) 0%,#132a63 55%,#1f4bb8 100%);
 border-radius:var(--radius-l);padding:44px 40px;color:#fff;position:relative;overflow:hidden;
 box-shadow:var(--shadow-l);
}
.data-band::before{
 content:"";position:absolute;inset:0;
 background:radial-gradient(420px 260px at 92% 0%,rgba(255,255,255,.18),transparent 68%);
}
.data-band > *{position:relative;}
.data-band h2{color:#fff;}
.data-band .lead{color:rgba(255,255,255,.78);max-width:660px;font-size:15.5px;}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:28px;}
.data-item{
 background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
 border-radius:var(--radius-s);padding:20px 18px;
 transition:background .2s ease,transform .2s ease;
}
.data-item:hover{background:rgba(255,255,255,.15);transform:translateY(-3px);}
.data-item strong{display:block;font-size:30px;font-weight:800;color:#fff;line-height:1.15;letter-spacing:-.02em;}
.data-item span{font-size:13.5px;color:rgba(255,255,255,.78);}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:6px;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--brand-line),var(--line));}
.timeline li{position:relative;display:grid;grid-template-columns:96px 1fr;gap:22px;padding:16px 0;}
.timeline li::before{
 content:"";position:absolute;left:-25px;top:26px;width:12px;height:12px;border-radius:50%;
 background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(31,94,255,.1);
}
.tl-time{font-size:16px;font-weight:800;color:var(--brand);letter-spacing:.02em;padding-top:2px;}
.tl-body h4{margin-bottom:4px;font-size:16px;}
.tl-body p{font-size:14.5px;color:var(--ink-2);margin-bottom:0;}

/* ---------- 场景卡 ---------- */
.scene-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-xs);height:100%;
 transition:transform .2s ease,box-shadow .22s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-s);border-color:var(--brand-line);}
.scene-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.scene-top .ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:#c74f1d;font-size:16px;}
.scene-top h3{font-size:16.5px;margin-bottom:0;}
.scene-card ul{margin-top:12px;display:grid;gap:9px;}
.scene-card li{position:relative;padding-left:20px;font-size:14.2px;color:var(--ink-2);}
.scene-card li::before{
 content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:50%;
 background:var(--brand-line);
}

/* ---------- 实用清单 ---------- */
.tips-wrap{display:grid;grid-template-columns:340px 1fr;gap:36px;align-items:start;}
.tips-aside{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-xs);
}
.tips-aside .ico-lg{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-size:20px;margin-bottom:14px;}
.tips-aside p{font-size:14.3px;color:var(--ink-3);}
.tips-list{display:grid;gap:14px;}
.tip-item{
 background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
 border-radius:var(--radius-s);padding:18px 20px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease;
}
.tip-item:hover{transform:translateX(4px);box-shadow:var(--shadow-s);}
.tip-item h4{font-size:15.5px;margin-bottom:4px;display:flex;align-items:center;gap:9px;}
.tip-item h4 i{color:var(--brand);font-size:14px;}
.tip-item p{font-size:14.2px;color:var(--ink-2);margin-bottom:0;}

/* ---------- 口碑墙 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;gap:14px;
 transition:transform .22s ease,box-shadow .22s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.quote-card .stars{color:#ffb020;font-size:13px;letter-spacing:2px;}
.quote-card blockquote{margin:0;font-size:14.6px;color:var(--ink-2);line-height:1.8;}
.quote-who{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:14px;margin-top:auto;}
.avatar{
 width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
 background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:14px;
}
.quote-who strong{display:block;font-size:14.5px;color:var(--ink);}
.quote-who span{font-size:12.8px;color:var(--ink-3);}

/* ---------- 资讯列表 ---------- */
.news-list{display:grid;gap:14px;}
.news-item{
 display:grid;grid-template-columns:112px 1fr auto;gap:22px;align-items:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);
 padding:18px 22px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-s);border-color:var(--brand-line);}
.news-date{font-size:13.5px;font-weight:700;color:var(--ink-3);letter-spacing:.02em;}
.news-item h4{font-size:16px;margin-bottom:3px;}
.news-item p{font-size:13.8px;color:var(--ink-3);margin-bottom:0;}
.news-arrow{color:var(--brand);font-size:15px;}

/* ---------- 转化区 ---------- */
.cta-band{
 background:linear-gradient(140deg,#142c66 0%,var(--brand) 100%);
 border-radius:var(--radius-l);padding:48px 44px;color:#fff;
 display:grid;grid-template-columns:1fr 420px;gap:40px;align-items:center;
 box-shadow:var(--shadow-l);position:relative;overflow:hidden;
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:radial-gradient(360px 240px at 8% 100%,rgba(255,255,255,.16),transparent 70%);
}
.cta-band > *{position:relative;}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.3px;margin-bottom:0;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{
 flex:1;min-width:200px;height:50px;border-radius:999px;border:1px solid rgba(255,255,255,.35);
 background:rgba(255,255,255,.14);color:#fff;padding:0 20px;font-size:15px;
 transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.sub-form input::placeholder{color:rgba(255,255,255,.68);}
.sub-form input:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.22);box-shadow:0 0 0 4px rgba(255,255,255,.16);}
.sub-note{font-size:12.8px;color:rgba(255,255,255,.7);margin-top:12px;}

/* ---------- 页脚 ---------- */
.site-foot{background:#fff;border-top:1px solid var(--line);padding:52px 0 26px;margin-top:8px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.foot-brand p{font-size:14.2px;color:var(--ink-3);margin-top:14px;max-width:340px;}
.foot-col h5{font-size:15px;margin-bottom:14px;color:var(--ink);}
.foot-col a{display:block;font-size:14.2px;color:var(--ink-3);padding:5px 0;font-weight:600;}
.foot-col a:hover{color:var(--brand);}
.foot-bottom{
 margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 font-size:13.2px;color:var(--ink-3);
}

/* ---------- 移动端底部 Tab ---------- */
.tabbar{
 position:fixed;left:0;right:0;bottom:0;z-index:80;display:none;
 background:rgba(255,255,255,.97);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 border-top:1px solid var(--line);
 padding:6px 6px calc(6px + env(safe-area-inset-bottom));
 box-shadow:0 -6px 20px rgba(20,42,90,.07);
}
.tabbar a{
 flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
 font-size:11px;font-weight:700;color:var(--ink-3);padding:7px 2px;border-radius:14px;
 transition:color .2s ease,background .2s ease;
}
.tabbar a i{font-size:17px;}
.tabbar a.active{color:var(--brand);background:var(--brand-soft);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .cat-hero-inner{grid-template-columns:1fr;gap:34px;padding:46px 0 52px;}
 .city-panel{max-width:520px;}
 .channel-grid{grid-template-columns:repeat(2,1fr);}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .quote-grid{grid-template-columns:repeat(2,1fr);}
 .data-grid{grid-template-columns:repeat(2,1fr);}
 .tips-wrap{grid-template-columns:1fr;gap:24px;}
 .cta-band{grid-template-columns:1fr;gap:26px;padding:40px 30px;}
 .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:860px){
 .head-search{display:none;}
 .main-nav{display:none;}
 .tabbar{display:flex;}
 body{padding-bottom:70px;}
}
@media (max-width:768px){
 .section{padding:48px 0;}
 .section-sm{padding:36px 0;}
 .sec-head{margin-bottom:22px;}
 .grid-2,.grid-3{grid-template-columns:1fr;}
 .quote-grid{grid-template-columns:1fr;}
 .data-band{padding:32px 24px;}
 .data-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
 .data-item strong{font-size:25px;}
 .timeline{padding-left:20px;}
 .timeline li{grid-template-columns:1fr;gap:6px;padding:14px 0;}
 .timeline li::before{top:22px;}
 .news-item{grid-template-columns:1fr;gap:8px;}
 .news-arrow{display:none;}
 .cta-band{padding:34px 22px;}
}
@media (max-width:520px){
 .wrap{padding:0 16px;}
 .channel-grid{grid-template-columns:1fr;}
 .data-grid{grid-template-columns:1fr;}
 .hero-facts{gap:20px;}
 .hero-facts strong{font-size:20px;}
 .cat-hero .claim{font-size:16px;}
 .foot-grid{grid-template-columns:1fr;gap:22px;}
 .sub-form input{min-width:100%;}
 .sub-form .btn{width:100%;}
}

/* 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}