/* roulang page: index */
:root{
  --brand:#2F6FED;
  --brand-dark:#1E4FC4;
  --brand-light:#E8F0FF;
  --teal:#14C8B4;
  --orange:#FF7A59;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --ink:#101828;
  --text:#475467;
  --muted:#7A8699;
  --line:#E6EBF4;
  --dark:#0E1526;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(16,24,40,.04),0 10px 28px rgba(16,24,40,.07);
  --shadow-2:0 2px 6px rgba(16,24,40,.06),0 18px 42px rgba(16,24,40,.11);
  --bs-primary:#2F6FED;
  --bs-body-color:#475467;
  --bs-body-bg:#F6F8FC;
  --bs-border-radius:12px;
  --bs-link-color:#2F6FED;
  --bs-link-hover-color:#1E4FC4;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
a:hover{color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,248,252,.92);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  background:#fff;border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(16,24,40,.04),0 10px 24px rgba(16,24,40,.06);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-logo{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),#5590ff);
  color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:0 6px 16px rgba(47,111,237,.28);
}
.brand-words{display:flex;flex-direction:column;line-height:1.2;}
.brand-words strong{font-size:17px;color:var(--ink);letter-spacing:.2px;}
.brand-words em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.3px;}
.nav-chips{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:999px;font-size:14px;color:var(--text);
  transition:background .18s ease,color .18s ease;
  white-space:nowrap;
}
.nav-chip:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-chip.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(47,111,237,.25);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text);display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-1);}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:10px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  border:1px solid var(--brand);transition:all .18s ease;
}
.btn-solid:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,79,196,.28);color:#fff;}

/* ---------- Buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  transition:all .18s ease;
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(30,79,196,.26);color:#fff;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:#fff;color:var(--brand);border:1px solid #C7D8FB;
  transition:all .18s ease;
}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-light);color:var(--brand-dark);}
.btn-light-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);
  transition:all .18s ease;
}
.btn-light-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}

/* ---------- Section base ---------- */
main{display:block;}
.section{padding:88px 0;}
.section--alt{background:#fff;}
.section--tint{background:var(--bg);}
.section-head{margin-bottom:32px;}
.section-head.center{text-align:center;max-width:760px;margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.rule-bar{width:48px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--teal));margin-bottom:16px;}
.section-head.center .rule-bar{margin-left:auto;margin-right:auto;}
h2.sec-title{font-size:clamp(24px,2.6vw,34px);line-height:1.3;color:var(--ink);font-weight:700;letter-spacing:-.2px;}
.sec-desc{margin-top:12px;font-size:15.5px;color:var(--text);max-width:820px;}
.section-head.center .sec-desc{margin-left:auto;margin-right:auto;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(246,248,252,.94),rgba(246,248,252,.98)),
    url('/assets/images/57010f119303d6da.webp') center/cover no-repeat;
  padding:72px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(47,111,237,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-60px;width:520px;height:2px;
  background:linear-gradient(90deg,transparent,rgba(20,200,180,.55),transparent);
  transform:rotate(-24deg);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(28px,3.4vw,46px);
  line-height:1.22;font-weight:700;color:var(--ink);letter-spacing:-.6px;
}
.hero-lead{
  margin-top:16px;font-size:18px;font-weight:600;color:var(--brand-dark);
}
.hero-text{margin-top:14px;font-size:15.5px;color:var(--text);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:13.5px;color:var(--text);
  box-shadow:var(--shadow-1);
}
.pill i{color:var(--teal);font-size:13px;}
.hero-visual{position:relative;}
.hero-shot{
  position:relative;border-radius:22px;overflow:hidden;
  aspect-ratio:4/5;box-shadow:var(--shadow-2);border:1px solid #fff;
}
.hero-shot img{width:100%;height:100%;object-fit:cover;}
.hero-shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,21,38,0) 45%,rgba(14,21,38,.45) 100%);
}
.hero-tag{
  position:absolute;left:16px;top:16px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--brand-dark);
  font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;
}
.float-card{
  position:absolute;left:-18px;bottom:26px;z-index:3;
  width:236px;background:#fff;border-radius:var(--r-lg);
  border:1px solid var(--line);box-shadow:var(--shadow-2);padding:16px;
}
.float-card .fc-label{font-size:12.5px;color:var(--muted);}
.float-card .fc-num{font-size:28px;font-weight:700;color:var(--ink);line-height:1.1;margin-top:2px;}
.float-card .fc-num small{font-size:13px;font-weight:600;color:var(--muted);margin-left:3px;}
.bar-track{height:6px;border-radius:999px;background:#EEF2F9;overflow:hidden;margin-top:10px;}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--teal));}

/* ---------- Search / entry ---------- */
.search-panel{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-2);padding:28px;
}
.search-row{display:flex;gap:12px;flex-wrap:wrap;}
.search-field{
  flex:1 1 320px;display:flex;align-items:center;gap:10px;
  height:52px;border-radius:12px;border:1px solid var(--line);
  background:#FBFCFE;padding:0 16px;transition:all .18s ease;
}
.search-field:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(47,111,237,.12);}
.search-field i{color:var(--muted);}
.search-field input{border:0;outline:0;background:transparent;flex:1;font-size:15px;color:var(--ink);}
.quick-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13.5px;
  background:#F3F6FC;color:var(--text);border:1px solid transparent;
  transition:all .18s ease;
}
.chip:hover{background:var(--brand-light);color:var(--brand-dark);border-color:#C7D8FB;}

/* ---------- Category matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:20px;}
.matrix-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;transition:all .18s ease;
}
.matrix-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CBDCFB;}
.matrix-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.matrix-card:first-child .matrix-media{aspect-ratio:16/8;}
.matrix-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.matrix-card:hover .matrix-media img{transform:scale(1.04);}
.matrix-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.matrix-body h3{font-size:19px;font-weight:700;color:var(--ink);}
.matrix-body p{font-size:14.5px;color:var(--text);}
.badge-soft{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:999px;padding:4px 11px;
}
.arrow-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--brand);margin-top:auto;padding-top:6px;}
.arrow-link i{transition:transform .18s ease;}
.matrix-card:hover .arrow-link i{transform:translateX(4px);}

/* ---------- Feature list ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pick-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;transition:all .18s ease;display:flex;flex-direction:column;
}
.pick-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.pick-card.wide{grid-column:span 2;flex-direction:row;}
.pick-card.wide .pick-media{width:44%;aspect-ratio:auto;}
.pick-card.wide .pick-body{width:56%;justify-content:center;}
.pick-media{aspect-ratio:16/9;overflow:hidden;}
.pick-media img{width:100%;height:100%;object-fit:cover;}
.pick-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1;}
.pick-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.45;}
.pick-body p{font-size:14px;color:var(--text);}
.meta-row{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:8px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#CDD5E3;}

/* ---------- Scene grid ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-1);transition:all .18s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CBDCFB;}
.scene-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);font-size:17px;margin-bottom:14px;
}
.scene-card h3{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.scene-card p{font-size:14px;color:var(--text);}

/* ---------- Stats ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
}
.stat-num{font-size:32px;font-weight:700;color:var(--ink);line-height:1.1;letter-spacing:-.5px;}
.stat-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;}
.stat-label{margin-top:6px;font-size:14px;color:var(--text);}
.stat-card .bar-track{margin-top:14px;}

/* ---------- Safety split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.split-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-2);aspect-ratio:16/11;border:1px solid #fff;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.step-list{display:flex;flex-direction:column;gap:16px;margin-top:22px;}
.step-item{display:flex;gap:14px;}
.step-idx{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  background:var(--brand-light);color:var(--brand-dark);
  display:grid;place-items:center;font-weight:700;font-size:14px;
}
.step-item h4{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:3px;}
.step-item p{font-size:14px;color:var(--text);}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 13px;font-size:13px;color:var(--text);box-shadow:var(--shadow-1);
}
.badge-pill i{color:var(--brand);font-size:12.5px;}

/* ---------- Flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;}
.flow-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-1);position:relative;
}
.flow-card::after{
  content:"";position:absolute;top:34px;right:-12px;width:24px;height:2px;
  background:linear-gradient(90deg,var(--teal),rgba(20,200,180,0));
}
.flow-card:last-child::after{display:none;}
.flow-dot{
  width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;margin-bottom:14px;
  box-shadow:0 6px 14px rgba(47,111,237,.3);
}
.flow-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.flow-card p{font-size:13.8px;color:var(--text);}

/* ---------- City wall ---------- */
.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.city-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--shadow-1);transition:all .18s ease;
}
.city-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.city-top{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.city-name{font-size:16px;font-weight:700;color:var(--ink);}
.city-tag{font-size:11.5px;font-weight:600;color:var(--teal);background:rgba(20,200,180,.1);border-radius:999px;padding:2px 9px;}
.city-card .bar-track{margin-top:12px;}
.city-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,rgba(47,111,237,.75),var(--teal));}
.city-note{margin-top:8px;font-size:12.5px;color:var(--muted);}

/* ---------- Voice wall ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;grid-auto-rows:1px;}
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:all .18s ease;
}
.voice-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.voice-card .v-media{overflow:hidden;}
.voice-card.tall .v-media{aspect-ratio:4/5;}
.voice-card.short .v-media{aspect-ratio:16/9;}
.voice-card .v-media img{width:100%;height:100%;object-fit:cover;}
.v-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;}
.v-body h3{font-size:15.5px;font-weight:700;color:var(--ink);}
.v-body p{font-size:13.6px;color:var(--text);}
.v-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px;}
.v-tag{font-size:11.5px;color:var(--brand);background:var(--brand-light);border-radius:999px;padding:3px 9px;font-weight:600;}

/* ---------- Topic rank ---------- */
.rank-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:stretch;}
.rank-hero{
  position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-2);min-height:340px;
}
.rank-hero img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.rank-hero-body{
  position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;
  padding:26px;background:linear-gradient(180deg,rgba(14,21,38,0) 30%,rgba(14,21,38,.82) 100%);color:#fff;
}
.rank-hero-body h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:8px;}
.rank-hero-body p{font-size:14px;color:rgba(255,255,255,.82);}
.rank-list{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-1);padding:10px 8px;}
.rank-item{
  display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:12px;
  transition:background .18s ease;
}
.rank-item:hover{background:var(--brand-light);}
.rank-no{font-size:17px;font-weight:700;color:#C3CDE0;width:22px;flex-shrink:0;font-variant-numeric:tabular-nums;}
.rank-item.top .rank-no{color:var(--orange);}
.rank-main{flex:1;min-width:0;}
.rank-main h4{font-size:15px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-main span{font-size:12.5px;color:var(--muted);}
.rank-item i{color:#C3CDE0;font-size:13px;}
.rank-item:hover i{color:var(--brand);}

/* ---------- CMS news ---------- */
.news-layout{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:all .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CBDCFB;}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#EEF2F9;}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.news-body h3{font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.5;}
.news-body p{font-size:13.6px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-top:auto;padding-top:8px;}
.news-meta .cat{color:var(--brand);background:var(--brand-light);border-radius:999px;padding:2px 9px;font-weight:600;}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:20px;}
.side-box h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.side-item{display:flex;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line);}
.side-item:last-child{border-bottom:0;padding-bottom:0;}
.side-item .idx{font-size:13px;font-weight:700;color:var(--brand);flex-shrink:0;font-variant-numeric:tabular-nums;}
.side-item h4{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.side-item span{font-size:12px;color:var(--muted);}
.empty-state{
  background:var(--brand-light);border:1px dashed #BED3F8;border-radius:var(--r-lg);
  padding:36px 24px;text-align:center;color:var(--brand-dark);
}
.empty-state i{font-size:22px;margin-bottom:10px;display:block;}
.empty-state p{font-size:14.5px;}

/* ---------- Member plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;}
.plan-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:14px;
  transition:all .18s ease;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.plan-card.featured{border:2px solid var(--brand);box-shadow:0 12px 34px rgba(47,111,237,.16);}
.plan-flag{
  position:absolute;top:-13px;left:26px;background:var(--brand);color:#fff;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
}
.plan-name{font-size:17px;font-weight:700;color:var(--ink);}
.plan-price{font-size:30px;font-weight:700;color:var(--ink);line-height:1.1;}
.plan-price small{font-size:13px;color:var(--muted);font-weight:600;margin-left:4px;}
.plan-desc{font-size:13.8px;color:var(--text);}
.plan-list{display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--text);}
.plan-list li{display:flex;gap:9px;align-items:flex-start;}
.plan-list i{color:var(--teal);font-size:12.5px;margin-top:6px;}
.plan-card .btn-main,.plan-card .btn-ghost{width:100%;margin-top:auto;}

/* ---------- Dashboard ---------- */
.dash{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-2);padding:30px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.dash-item h3{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:4px;}
.dash-item .d-val{font-size:30px;font-weight:700;color:var(--ink);line-height:1.1;font-variant-numeric:tabular-nums;}
.dash-item .d-val small{font-size:13px;color:var(--muted);font-weight:600;margin-left:3px;}
.dash-item p{font-size:13.4px;color:var(--text);margin-top:10px;}

/* ---------- Partners ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.partner-logo{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  height:84px;display:grid;place-items:center;color:#96A1B5;
  font-size:15px;font-weight:600;filter:grayscale(1);opacity:.9;
  transition:all .2s ease;box-shadow:var(--shadow-1);
}
.partner-logo:hover{filter:grayscale(0);opacity:1;color:var(--brand);transform:scale(1.03);}

/* ---------- Guarantee strip ---------- */
.guard-strip{background:var(--brand-light);border-top:1px solid #D8E5FC;border-bottom:1px solid #D8E5FC;}
.guard-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 0;}
.guard-item{display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--brand-dark);font-weight:600;}
.guard-item i{
  width:36px;height:36px;border-radius:10px;background:#fff;color:var(--brand);
  display:grid;place-items:center;font-size:14px;box-shadow:var(--shadow-1);flex-shrink:0;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg) !important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);
}
.faq .accordion-button{
  background:#fff;color:var(--ink);font-size:16px;font-weight:600;
  padding:18px 56px 18px 20px;box-shadow:none;border:0;line-height:1.55;
}
.faq .accordion-button:not(.collapsed){color:var(--brand-dark);background:#FBFCFE;}
.faq .accordion-button::after{display:none;}
.faq .accordion-button:focus{box-shadow:none;}
.faq .accordion-button .fq-sign{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;font-size:12px;transition:all .18s ease;
}
.faq .accordion-button:not(.collapsed) .fq-sign{background:var(--brand);color:#fff;}
.faq .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:transparent;transition:background .18s ease;
}
.faq .accordion-button:not(.collapsed)::before{background:var(--brand);}
.faq .accordion-body{padding:0 20px 20px;font-size:14.8px;color:var(--text);}

/* ---------- CTA dark ---------- */
.cta-band{background:var(--dark);color:#fff;padding:64px 0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:24px 24px;opacity:.5;pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.4fr auto;gap:36px;align-items:center;}
.cta-inner h2{font-size:clamp(23px,2.4vw,32px);font-weight:700;line-height:1.35;color:#fff;}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.qr-box{
  display:flex;align-items:center;gap:14px;margin-top:22px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:12px 16px;max-width:340px;
}
.qr-box .qr{width:56px;height:56px;border-radius:10px;background:#fff;color:var(--dark);display:grid;place-items:center;font-size:22px;flex-shrink:0;}
.qr-box span{font-size:13px;color:rgba(255,255,255,.72);line-height:1.6;}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-logo{width:34px;height:34px;font-size:14px;border-radius:10px;}
.footer-brand strong{font-size:16px;color:var(--ink);}
.footer-about{font-size:13.8px;color:var(--text);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{font-size:13.8px;color:var(--text);transition:color .16s ease;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:12.8px;color:var(--muted);
}
.footer-bottom .fb-links{display:flex;gap:16px;flex-wrap:wrap;}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- Offcanvas mobile nav ---------- */
.offcanvas{background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px;}
.offcanvas-body{padding:18px 20px;}
.m-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:18px;}
.m-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:12px;font-size:15px;color:var(--text);
  border:1px solid transparent;
}
.m-nav a:hover,.m-nav a.active{background:var(--brand-light);color:var(--brand-dark);border-color:#D5E3FC;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .section{padding:64px 0;}
  .hero{padding:56px 0 72px;}
  .hero-grid{gap:36px;}
  .matrix-grid{grid-template-columns:1fr 1fr;}
  .matrix-card:first-child{grid-column:span 2;}
  .pick-grid{grid-template-columns:repeat(2,1fr);}
  .pick-card.wide{grid-column:span 2;}
  .scene-grid{grid-template-columns:repeat(3,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .city-grid{grid-template-columns:repeat(3,1fr);}
  .voice-grid{grid-template-columns:repeat(3,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-col.info{grid-column:span 3;}
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;max-width:440px;margin:0 auto;}
  .hero-shot{aspect-ratio:16/11;}
  .float-card{left:auto;right:12px;bottom:-18px;width:210px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-card::after{display:none;}
  .rank-wrap{grid-template-columns:1fr;}
  .rank-hero{min-height:260px;}
  .plan-grid{grid-template-columns:1fr;}
  .dash{grid-template-columns:1fr;gap:22px;}
  .partner-grid{grid-template-columns:repeat(3,1fr);}
  .guard-inner{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .nav-chip{height:34px;padding:0 12px;font-size:13.5px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .hero{padding:40px 0 56px;}
  .hero h1{font-size:28px;letter-spacing:-.3px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .hero::after{display:none;}
  .matrix-grid{grid-template-columns:1fr;}
  .matrix-card:first-child{grid-column:span 1;}
  .matrix-card:first-child .matrix-media{aspect-ratio:16/9;}
  .pick-grid{grid-template-columns:1fr;}
  .pick-card.wide{grid-column:span 1;flex-direction:column;}
  .pick-card.wide .pick-media,.pick-card.wide .pick-body{width:100%;}
  .pick-card.wide .pick-media{aspect-ratio:16/9;}
  .scene-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;}
  .city-grid{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .partner-grid{grid-template-columns:repeat(2,1fr);}
  .guard-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-col.info{grid-column:span 2;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .search-panel{padding:20px;}
  .dash{padding:22px;}
  .cta-band{padding:48px 0;}
  .qr-box{max-width:100%;}
}
@media (max-width:520px){
  .brand-words em{display:none;}
  .city-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col.info{grid-column:span 1;}
  .rank-item{padding:12px 10px;gap:10px;}
  .rank-hero-body{padding:20px;}
}

/* roulang page: category1 */
:root{
  --brand:#2F6FED;
  --brand-dark:#1E4FC4;
  --brand-light:#E8F0FF;
  --teal:#14C8B4;
  --orange:#FF7A59;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --ink:#101828;
  --text:#475467;
  --muted:#7A8699;
  --line:#E6EBF4;
  --dark:#0E1526;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(16,24,40,.04),0 10px 28px rgba(16,24,40,.07);
  --shadow-2:0 2px 6px rgba(16,24,40,.06),0 18px 42px rgba(16,24,40,.11);
  --bs-primary:#2F6FED;
  --bs-body-color:#475467;
  --bs-body-bg:#F6F8FC;
  --bs-border-radius:12px;
  --bs-link-color:#2F6FED;
  --bs-link-hover-color:#1E4FC4;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;transition:color .18s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
a:focus-visible,button:focus-visible,input:focus-visible,.nav-chip:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;
}
/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,248,252,.92);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  background:#fff;border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(16,24,40,.04),0 10px 24px rgba(16,24,40,.06);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-logo{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),#5590ff);
  color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:0 6px 16px rgba(47,111,237,.28);
}
.brand-words{display:flex;flex-direction:column;line-height:1.2;}
.brand-words strong{font-size:17px;color:var(--ink);letter-spacing:.2px;}
.brand-words em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.3px;}
.nav-chips{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:999px;font-size:14px;color:var(--text);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-chip:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-chip.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(47,111,237,.25);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text);display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-1);}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;border-radius:10px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;border:1px solid var(--brand);
  transition:all .18s ease;
}
.btn-solid:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,79,196,.28);color:#fff;}
.mobile-panel{background:#fff;}
.mobile-panel .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.mobile-panel .offcanvas-body{padding:20px;}
.mobile-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;border-radius:var(--r-sm);border:1px solid var(--line);
  margin-bottom:10px;font-size:15px;color:var(--ink);font-weight:500;
}
.mobile-link.active{background:var(--brand-light);border-color:#C7D8FB;color:var(--brand-dark);}
/* ---------- Buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:var(--brand);color:#fff;border:1px solid var(--brand);transition:all .18s ease;
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(30,79,196,.26);color:#fff;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:#fff;color:var(--brand);border:1px solid #C7D8FB;transition:all .18s ease;
}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-light);color:var(--brand-dark);}
.btn-light-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.42);transition:all .18s ease;
}
.btn-light-outline:hover{background:rgba(255,255,255,.13);border-color:#fff;color:#fff;}
/* ---------- Base blocks ---------- */
main{display:block;}
.section{padding:88px 0;}
.section--white{background:#fff;}
.section--tint{background:var(--bg);}
.section-head{margin-bottom:32px;}
.section-head.center{text-align:center;max-width:760px;margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.sec-title{font-size:clamp(24px,2.6vw,34px);letter-spacing:-.2px;}
.sec-desc{margin-top:12px;font-size:16px;color:var(--text);line-height:1.8;}
.rule-bar{
  width:48px;height:3px;border-radius:2px;margin-bottom:16px;
  background:linear-gradient(90deg,var(--brand),var(--teal));
}
.center .rule-bar{margin-left:auto;margin-right:auto;}
/* ---------- Page head ---------- */
.page-head{
  position:relative;overflow:hidden;padding:48px 0 64px;
  background:linear-gradient(180deg,#FFFFFF 0%,rgba(246,248,252,.96) 100%);
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(47,111,237,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.45;
}
.page-head::after{
  content:"";position:absolute;right:-150px;top:10px;width:460px;height:2px;
  background:linear-gradient(90deg,transparent,rgba(20,200,180,.55),transparent);
  transform:rotate(-22deg);pointer-events:none;
}
.page-head-grid{position:relative;display:grid;grid-template-columns:1.38fr .62fr;gap:48px;align-items:center;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs i{font-size:10px;opacity:.7;}
.page-head h1{font-size:clamp(28px,3.2vw,44px);line-height:1.24;letter-spacing:-.5px;max-width:16em;}
.page-head h1 span{color:var(--brand);}
.head-lead{margin-top:16px;font-size:16px;line-height:1.85;color:var(--text);max-width:38em;}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.head-note{display:flex;align-items:center;gap:8px;margin-top:18px;font-size:13px;color:var(--muted);}
.head-note i{color:var(--teal);}
.filter-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
}
.filter-panel h2{font-size:16px;margin-bottom:6px;}
.filter-panel p{font-size:13px;color:var(--muted);margin-bottom:16px;line-height:1.7;}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px;}
.filter-chip{
  border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:13px;padding:7px 14px;border-radius:999px;cursor:pointer;transition:all .18s ease;
}
.filter-chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light);}
.filter-chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(47,111,237,.24);}
/* ---------- Stats strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.stat-label{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:7px;}
.stat-label i{color:var(--brand);}
.stat-num{font-size:32px;font-weight:700;color:var(--ink);line-height:1.2;margin:8px 0 2px;font-variant-numeric:tabular-nums;}
.stat-num small{font-size:14px;font-weight:500;color:var(--muted);margin-left:4px;}
.stat-bar{height:6px;border-radius:999px;background:#EEF2FA;overflow:hidden;margin-top:14px;}
.stat-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--teal));}
.stat-foot{font-size:12px;color:var(--muted);margin-top:8px;}
/* ---------- Intro split ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center;}
.split-media{
  border-radius:20px;overflow:hidden;box-shadow:var(--shadow-2);aspect-ratio:16/10;background:#EEF2FA;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.point-list{margin-top:24px;display:grid;gap:14px;}
.point{
  display:flex;gap:14px;padding:16px;border:1px solid var(--line);
  border-radius:var(--r-md);background:#fff;transition:all .18s ease;
}
.point:hover{border-color:#C7D8FB;box-shadow:var(--shadow-1);transform:translateY(-2px);}
.point-ico{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);font-size:15px;
}
.point h3{font-size:16px;margin-bottom:4px;}
.point p{font-size:14px;color:var(--text);line-height:1.7;}
/* ---------- Post grid ---------- */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#C7D8FB;}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:#EEF2FA;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge-soft{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:999px;padding:4px 11px;
}
.post-card h3{font-size:19px;line-height:1.45;}
.post-card h3 a:hover{color:var(--brand-dark);}
.post-card p{font-size:14px;color:var(--text);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-size:12px;color:var(--muted);}
.post-meta .arrow{margin-left:auto;color:var(--brand);}
.post-card--wide{grid-column:span 2;flex-direction:row;}
.post-card--wide .post-thumb{flex:0 0 46%;aspect-ratio:auto;min-height:280px;}
.post-card--wide .post-body{padding:30px 32px;}
.post-card--wide h3{font-size:24px;}
.post-card--wide p{-webkit-line-clamp:4;font-size:15px;}
.list-more{display:flex;justify-content:center;margin-top:36px;}
.empty-state{
  background:var(--brand-light);border:1px dashed #C7D8FB;border-radius:var(--r-lg);
  padding:40px 24px;text-align:center;color:var(--brand-dark);
}
.empty-state i{font-size:22px;margin-bottom:10px;display:block;color:var(--brand);}
.empty-state p{font-size:15px;}
/* ---------- Topics rail ---------- */
.rail-wrap{position:relative;}
.rail{display:flex;gap:18px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:#D5DEEE;border-radius:999px;}
.rail-card{
  flex:0 0 258px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.rail-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.rail-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.rail-tag{font-size:11px;font-weight:600;color:#0B7A6E;background:rgba(20,200,180,.12);border-radius:999px;padding:3px 10px;}
.rail-card h3{font-size:16px;line-height:1.5;margin-bottom:8px;}
.rail-card p{font-size:13px;color:var(--muted);line-height:1.7;}
/* ---------- Tag cloud ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:10px 18px;font-size:14px;color:var(--text);
  transition:all .18s ease;box-shadow:0 1px 2px rgba(16,24,40,.04);
}
.tag-pill i{font-size:12px;color:var(--brand);}
.tag-pill:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-light);transform:translateY(-2px);}
.tag-pill.hot{border-color:#FFD8CD;color:#B23F21;background:#FFF5F1;}
.tag-pill.hot i{color:var(--orange);}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:860px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease;}
.faq-item:has(.faq-btn:not(.collapsed)){border-color:#C7D8FB;box-shadow:var(--shadow-1);}
.faq-btn{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;background:#fff;border:0;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-btn:not(.collapsed){color:var(--brand-dark);border-left:3px solid var(--brand);}
.faq-btn.collapsed{border-left:3px solid transparent;}
.faq-btn::after{display:none;}
.faq-ico{
  margin-left:auto;flex:0 0 28px;width:28px;height:28px;border-radius:999px;
  border:1px solid var(--line);display:grid;place-items:center;font-size:15px;
  color:var(--brand);background:#fff;transition:all .18s ease;
}
.faq-btn:not(.collapsed) .faq-ico{background:var(--brand);border-color:var(--brand);color:#fff;transform:rotate(180deg);}
.faq-body{padding:0 20px 20px 20px;font-size:15px;color:var(--text);line-height:1.85;}
/* ---------- CTA dark ---------- */
.cta-band{
  background:var(--dark);border-radius:24px;padding:48px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:24px 24px;opacity:.35;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);position:relative;}
.cta-band p{color:rgba(255,255,255,.72);margin-top:12px;font-size:15px;line-height:1.8;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;}
.back-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:28px;}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.back-link:hover{color:var(--brand);}
/* ---------- Footer ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:56px 0 24px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{font-size:16px;color:var(--ink);}
.footer-about{font-size:13px;color:var(--muted);line-height:1.85;max-width:34em;}
.footer-col h4{font-size:14px;color:var(--ink);margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:13px;color:var(--muted);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--muted);
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{color:var(--muted);}
.fb-links a:hover{color:var(--brand);}
/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .page-head-grid{gap:36px;}
  .split{gap:32px;}
  .post-card--wide .post-thumb{flex:0 0 42%;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .page-head{padding:36px 0 52px;}
  .page-head-grid{grid-template-columns:1fr;gap:28px;}
  .split{grid-template-columns:1fr;}
  .split-media{order:-1;}
  .stat-strip{grid-template-columns:1fr;gap:14px;}
  .post-card--wide{flex-direction:column;}
  .post-card--wide .post-thumb{flex:none;aspect-ratio:16/9;min-height:0;}
  .post-card--wide .post-body{padding:22px 24px 24px;}
  .post-card--wide h3{font-size:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .page-head h1{font-size:clamp(26px,6vw,32px);}
  .head-actions .btn-main,.head-actions .btn-ghost{width:100%;}
  .post-grid{grid-template-columns:1fr;}
  .post-card--wide{grid-column:span 1;}
  .foot-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band{padding:28px;border-radius:18px;}
  .cta-actions .btn-main,.cta-actions .btn-light-outline{width:100%;}
  .rail-card{flex:0 0 78vw;}
}
@media (max-width:519.98px){
  .brand-words em{display:none;}
  .stat-num{font-size:28px;}
  .post-card h3{font-size:17px;}
  .tag-pill{font-size:13px;padding:9px 15px;}
}

/* roulang page: article */
:root{
  --brand:#2F6FED;
  --brand-dark:#1E4FC4;
  --brand-light:#E8F0FF;
  --teal:#14C8B4;
  --orange:#FF7A59;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --ink:#101828;
  --text:#475467;
  --muted:#7A8699;
  --line:#E6EBF4;
  --dark:#0E1526;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(16,24,40,.04),0 10px 28px rgba(16,24,40,.07);
  --shadow-2:0 2px 6px rgba(16,24,40,.06),0 18px 42px rgba(16,24,40,.11);
  --bs-primary:#2F6FED;
  --bs-body-color:#475467;
  --bs-body-bg:#F6F8FC;
  --bs-border-radius:12px;
  --bs-link-color:#2F6FED;
  --bs-link-hover-color:#1E4FC4;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
a:hover{color:inherit;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1600px){.container{max-width:1280px;}}
.progress-bar-line{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:1100;
  background:linear-gradient(90deg,var(--brand),var(--teal));
  transition:width .08s linear;
}
/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,248,252,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  background:#fff;border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(16,24,40,.04),0 10px 24px rgba(16,24,40,.06);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-logo{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),#5590ff);
  color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:0 6px 16px rgba(47,111,237,.28);
}
.brand-words{display:flex;flex-direction:column;line-height:1.2;}
.brand-words strong{font-size:17px;color:var(--ink);letter-spacing:.2px;}
.brand-words em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.3px;}
.nav-chips{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:999px;font-size:14px;color:var(--text);
  transition:background .18s ease,color .18s ease;
  white-space:nowrap;
}
.nav-chip:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-chip.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(47,111,237,.25);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text);display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-1);}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:10px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  border:1px solid var(--brand);transition:all .18s ease;
}
.btn-solid:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,79,196,.28);color:#fff;}
/* ---------- Buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  transition:all .18s ease;
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(30,79,196,.26);color:#fff;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:#fff;color:var(--brand);border:1px solid #C7D8FB;
  transition:all .18s ease;
}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-light);color:var(--brand-dark);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
/* ---------- Section base ---------- */
main{display:block;}
.section{padding:72px 0;}
.section--white{background:#fff;}
.section--tint{background:var(--bg);}
.section-head{margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
h2.sec-title{font-size:clamp(22px,2.4vw,30px);line-height:1.35;color:var(--ink);font-weight:700;letter-spacing:-.2px;margin:0;}
.sec-desc{margin-top:10px;font-size:15px;color:var(--text);max-width:640px;}
/* ---------- Crumbs ---------- */
.crumbs-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumbs-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:58px;padding-top:11px;padding-bottom:11px;flex-wrap:wrap;
}
.crumbs{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);flex-wrap:wrap;}
.crumbs i{font-size:10px;color:#B9C3D4;}
.crumbs a{color:var(--muted);transition:color .18s;}
.crumbs a:hover{color:var(--brand);}
.crumbs .current{color:var(--ink);font-weight:600;max-width:44vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.share-group{display:flex;align-items:center;gap:8px;}
.share-label{font-size:12px;color:var(--muted);margin-right:2px;}
.share-btn{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--muted);display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;transition:all .18s ease;
}
.share-btn:hover{color:var(--brand);border-color:#C7D8FB;background:var(--brand-light);}
/* ---------- Article head ---------- */
.article-head{background:#fff;padding:38px 0 48px;position:relative;overflow:hidden;}
.article-head::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(47,111,237,.12) 1px,transparent 1px);
  background-size:24px 24px;opacity:.35;pointer-events:none;
}
.article-head-inner{position:relative;max-width:880px;margin:0 auto;}
.article-chip{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 13px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:13px;font-weight:600;
}
h1.article-title{
  font-size:clamp(25px,3vw,38px);line-height:1.3;font-weight:700;
  color:var(--ink);letter-spacing:-.5px;margin:16px 0 0;
}
.article-sub{margin:14px 0 0;font-size:16px;line-height:1.8;color:var(--text);}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  margin-top:22px;font-size:13px;color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item i{color:#A7B3C6;font-size:13px;}
.meta-sep{width:1px;height:14px;background:var(--line);}
.cover-wrap{
  margin-top:30px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  aspect-ratio:16/9;background:var(--brand-light);
}
.cover-wrap img{width:100%;height:100%;object-fit:cover;}
.cover-caption{
  margin-top:10px;font-size:13px;color:var(--muted);text-align:center;
}
/* ---------- Article body ---------- */
.content-section{padding:56px 0 64px;}
.article-body{
  max-width:820px;margin:0 auto;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:42px 46px;
  font-size:17px;line-height:1.9;color:var(--text);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body > *:last-child{margin-bottom:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:24px;line-height:1.45;color:var(--ink);font-weight:700;
  margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;
}
.article-body h3{
  font-size:19px;line-height:1.5;color:var(--ink);font-weight:700;
  margin:32px 0 12px;
}
.article-body h4{font-size:17px;color:var(--ink);font-weight:700;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px;}
.article-body ul li,.article-body ol li{margin-bottom:9px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;
  background:var(--brand-light);border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;color:var(--brand-dark);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{max-width:100%;height:auto;border-radius:14px;margin:24px auto 8px;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:9px;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-dark);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--brand-light);color:var(--ink);font-weight:600;}
.article-body code{
  background:#F1F5FD;color:var(--brand-dark);border-radius:6px;
  padding:2px 6px;font-size:14px;
}
.article-body pre{
  background:#0E1526;color:#E4EBF8;border-radius:12px;
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
/* ---------- Empty state ---------- */
.empty-state{
  max-width:640px;margin:0 auto;text-align:center;
  background:var(--brand-light);border:1px dashed #C7D8FB;border-radius:var(--r-lg);
  padding:56px 28px;
}
.empty-state i{font-size:34px;color:var(--brand);}
.empty-state p{margin:16px 0 22px;font-size:16px;color:var(--brand-dark);font-weight:600;}
/* ---------- Tags & disclaimer ---------- */
.tag-strip{
  max-width:820px;margin:28px auto 0;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.tag-strip .tag-label{font-size:13px;color:var(--muted);margin-right:2px;}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  color:var(--text);font-size:13px;transition:all .18s ease;
}
.tag-pill:hover{background:var(--brand-light);border-color:#C7D8FB;color:var(--brand-dark);}
.disclaim{
  max-width:820px;margin:22px auto 0;padding:16px 20px;
  border-radius:var(--r-md);background:#FBFCFE;border:1px dashed #D9E2F2;
  font-size:13px;line-height:1.85;color:var(--muted);
}
.disclaim strong{color:var(--text);font-weight:600;}
/* ---------- Related ---------- */
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  height:100%;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6E3FF;}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-light);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-card .chip{
  align-self:flex-start;height:24px;padding:0 11px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:12px;font-weight:600;display:inline-flex;align-items:center;margin-bottom:12px;
}
.post-card h3{font-size:17px;line-height:1.5;color:var(--ink);font-weight:700;margin:0 0 10px;}
.post-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0 0 16px;}
.post-card .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:13px;
}
.post-card .foot i{color:var(--brand);}
/* ---------- Pager ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:820px;margin:0 auto;}
.pager-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pager-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6E3FF;}
.pager-item .dir{font-size:12px;color:var(--muted);display:inline-flex;align-items:center;gap:7px;}
.pager-item strong{display:block;margin-top:8px;font-size:16px;color:var(--ink);line-height:1.5;}
.pager-item.next{text-align:right;}
.pager-back{text-align:center;margin-top:26px;}
/* ---------- CTA ---------- */
.cta-card{
  background:linear-gradient(120deg,#E8F0FF,#F4F9FF 60%,#EFFBF9);
  border:1px solid #D6E3FF;border-radius:20px;
  padding:38px 42px;display:flex;align-items:center;justify-content:space-between;
  gap:30px;flex-wrap:wrap;box-shadow:var(--shadow-1);
}
.cta-card h2{font-size:clamp(20px,2.2vw,26px);color:var(--ink);font-weight:700;margin:0 0 10px;line-height:1.4;}
.cta-card p{margin:0;font-size:15px;color:var(--text);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* ---------- Footer ---------- */
.site-footer{background:#F6F8FC;border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{font-size:16px;color:var(--ink);}
.footer-about{font-size:13px;line-height:1.9;color:var(--muted);max-width:350px;margin:0;}
.footer-col h4{font-size:15px;color:var(--ink);font-weight:700;margin:0 0 14px;}
.footer-col ul{list-style:none;}
.footer-col ul li{margin-bottom:9px;}
.footer-col ul a{font-size:14px;color:var(--text);transition:color .18s ease;}
.footer-col ul a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 22px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.fb-links a{color:var(--muted);transition:color .18s ease;}
.fb-links a:hover{color:var(--brand);}
/* ---------- Offcanvas ---------- */
.offcanvas-end{width:300px;}
#mobileNav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
#mobileNav .offcanvas-title{font-size:16px;font-weight:700;color:var(--ink);}
#mobileNav .offcanvas-body{padding:18px 20px;}
.m-nav{display:flex;flex-direction:column;gap:6px;}
.m-nav-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:10px;font-size:15px;color:var(--text);
  transition:all .18s ease;
}
.m-nav-link:hover{background:var(--brand-light);color:var(--brand-dark);}
.m-nav-link.active{background:var(--brand);color:#fff;}
.m-nav-cta{margin-top:16px;}
.m-nav-cta .btn-main{width:100%;}
/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .nav-chips{margin-left:0;}
  .nav-chip{padding:0 11px;font-size:13px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:28px;}
  .footer-col.info{grid-column:span 3;}
}
@media (max-width:991.98px){
  .section{padding:56px 0;}
  .content-section{padding:44px 0 52px;}
  .card-grid-3{grid-template-columns:repeat(2,1fr);}
  .article-body{padding:34px 30px;font-size:16.5px;}
  .article-head{padding:30px 0 40px;}
  .crumbs .current{max-width:60vw;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-col.info{grid-column:span 2;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  h1.article-title{font-size:25px;letter-spacing:-.2px;}
  .article-body{padding:26px 20px;font-size:16px;line-height:1.85;border-radius:14px;}
  .article-body h2{font-size:20px;margin-top:34px;}
  .article-body h3{font-size:17.5px;}
  .card-grid-3{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .pager-item.next{text-align:left;}
  .cta-card{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1;}
  .crumbs-inner{padding-top:12px;padding-bottom:12px;}
  .share-label{display:none;}
  .meta-row{gap:12px 16px;font-size:12.5px;}
  .meta-sep{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-col.info{grid-column:auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:519.98px){
  .brand-words strong{font-size:15px;}
  .brand-words em{font-size:11px;}
  .article-sub{font-size:15px;}
  .tag-strip{gap:8px;}
  .tag-pill{height:30px;padding:0 12px;font-size:12.5px;}
}

/* roulang page: category3 */
:root{
  --brand:#2F6FED;
  --brand-dark:#1E4FC4;
  --brand-light:#E8F0FF;
  --teal:#14C8B4;
  --orange:#FF7A59;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --ink:#101828;
  --text:#475467;
  --muted:#7A8699;
  --line:#E6EBF4;
  --dark:#0E1526;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(16,24,40,.04),0 10px 28px rgba(16,24,40,.07);
  --shadow-2:0 2px 6px rgba(16,24,40,.06),0 18px 42px rgba(16,24,40,.11);
  --bs-primary:#2F6FED;
  --bs-body-color:#475467;
  --bs-body-bg:#F6F8FC;
  --bs-border-radius:12px;
  --bs-link-color:#2F6FED;
  --bs-link-hover-color:#1E4FC4;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;transition:color .18s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.d-none{display:none!important;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,248,252,.92);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  background:#fff;border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(16,24,40,.04),0 10px 24px rgba(16,24,40,.06);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-logo{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),#5590ff);
  color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:0 6px 16px rgba(47,111,237,.28);
}
.brand-words{display:flex;flex-direction:column;line-height:1.2;}
.brand-words strong{font-size:17px;color:var(--ink);letter-spacing:.2px;}
.brand-words em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.3px;}
.nav-chips{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:999px;font-size:14px;color:var(--text);
  transition:background .18s ease,color .18s ease;white-space:nowrap;
}
.nav-chip:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-chip.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(47,111,237,.25);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text);display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease;cursor:pointer;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-1);}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:10px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  border:1px solid var(--brand);transition:all .18s ease;
}
.btn-solid:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,79,196,.28);color:#fff;}
/* ---------- Buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:var(--brand);color:#fff;border:1px solid var(--brand);transition:all .18s ease;
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(30,79,196,.26);color:#fff;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:#fff;color:var(--brand);border:1px solid #C7D8FB;transition:all .18s ease;
}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-light);color:var(--brand-dark);}
.btn-light-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);transition:all .18s ease;
}
.btn-light-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.btn-text{
  display:inline-flex;align-items:center;gap:7px;font-size:15px;font-weight:600;color:var(--brand);
}
.btn-text:hover{color:var(--brand-dark);gap:11px;}
/* ---------- Section base ---------- */
main{display:block;}
.section{padding:88px 0;}
.section--alt{background:#fff;}
.section--tint{background:var(--bg);}
.section-head{margin-bottom:32px;}
.section-head.center{text-align:center;max-width:760px;margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.rule-bar{width:48px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--teal));margin-bottom:16px;}
h2.sec-title{font-size:clamp(23px,2.5vw,34px);line-height:1.3;color:var(--ink);font-weight:700;letter-spacing:-.2px;}
.sec-desc{margin-top:12px;font-size:16px;color:var(--muted);max-width:720px;}
.section-head.center .sec-desc{margin-left:auto;margin-right:auto;}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- Page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:36px 0 72px;
  background:
    linear-gradient(180deg,rgba(246,248,252,.95),rgba(246,248,252,.99)),
    url('/assets/images/6d18c0183a54bc05.webp') center/cover no-repeat;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(47,111,237,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.crumb{position:relative;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:#B6C1D4;}
.crumb .current{color:var(--brand);font-weight:600;}
.head-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.page-head h1{
  font-size:clamp(27px,3.2vw,44px);line-height:1.25;font-weight:700;
  color:var(--ink);letter-spacing:-.6px;
}
.page-head .head-lead{margin-top:18px;font-size:16px;color:var(--text);max-width:600px;}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.head-media{position:relative;}
.head-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:20px;box-shadow:var(--shadow-2);border:1px solid rgba(255,255,255,.7);
}
.float-card{
  position:absolute;right:-10px;bottom:-24px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-2);min-width:196px;
}
.float-card .fc-label{font-size:12px;color:var(--muted);letter-spacing:.4px;}
.float-card .fc-num{font-size:26px;font-weight:700;color:var(--ink);font-family:"Inter","PingFang SC",sans-serif;line-height:1.2;}
.float-card .fc-num span{font-size:13px;color:var(--muted);font-weight:500;margin-left:4px;}
.bar-track{height:6px;border-radius:999px;background:#EDF1F9;overflow:hidden;margin-top:8px;}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--teal),#5FE3D3);}

/* ---------- Chips & tags ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--text);
  transition:all .18s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-light);}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;}
.tag{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--brand-light);color:var(--brand-dark);
}
.tag--teal{background:rgba(20,200,180,.12);color:#0D8C7E;}
.tag--orange{background:rgba(255,122,89,.13);color:#D9502B;}

/* ---------- Stat strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px;position:relative;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.stat-card .sc-top{display:flex;align-items:baseline;gap:8px;}
.stat-card .sc-num{font-size:30px;font-weight:700;color:var(--ink);font-family:"Inter","PingFang SC",sans-serif;line-height:1.1;}
.stat-card .sc-unit{font-size:13px;color:var(--muted);}
.stat-card .sc-label{margin-top:6px;font-size:14px;color:var(--text);}
.stat-card .bar-track{margin-top:14px;}

/* ---------- Rank list ---------- */
.rank-wrap{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-1);padding:14px;}
.rank-row{
  display:grid;grid-template-columns:58px 132px 1fr 36px;gap:20px;align-items:center;
  padding:16px 18px;border-radius:14px;border-bottom:1px dashed var(--line);
  transition:background .18s ease,transform .18s ease;
}
.rank-row:last-child{border-bottom:0;}
.rank-row:hover{background:var(--brand-light);transform:translateX(2px);}
.rank-num{
  font-family:"Inter","PingFang SC",sans-serif;font-size:20px;font-weight:700;
  color:#B6C1D4;letter-spacing:.5px;
}
.rank-row:nth-child(1) .rank-num{color:var(--brand);}
.rank-row:nth-child(2) .rank-num{color:#3E86F5;}
.rank-row:nth-child(3) .rank-num{color:var(--teal);}
.rank-thumb img{width:132px;aspect-ratio:16/10;object-fit:cover;border-radius:12px;border:1px solid var(--line);}
.rank-body{min-width:0;display:block;}
.rank-title{
  display:block;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.rank-desc{
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;color:var(--muted);margin-top:4px;
}
.rank-meta{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:12px;color:var(--muted);}
.rank-meta .dot{color:#C6D0E0;}
.rank-arrow{color:#B6C1D4;font-size:14px;text-align:right;transition:all .18s ease;}
.rank-row:hover .rank-arrow{color:var(--brand);transform:translateX(3px);}
.rank-foot{display:flex;justify-content:center;margin-top:28px;}
.empty-state{
  background:var(--brand-light);border-radius:14px;padding:44px 24px;text-align:center;
  color:var(--brand-dark);
}
.empty-state i{font-size:26px;display:block;margin-bottom:10px;opacity:.7;}
.empty-state p{margin:0;font-size:15px;color:#3B5FAE;}

/* ---------- Feature cards ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:14px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFDDF9;}
.feature-card .fc-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);font-size:17px;
}
.feature-card h3{font-size:20px;color:var(--ink);font-weight:700;line-height:1.45;}
.feature-card p{font-size:15px;color:var(--text);}
.feature-card ul{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
.feature-card li{font-size:14px;color:var(--text);display:flex;gap:8px;align-items:flex-start;line-height:1.6;}
.feature-card li i{color:var(--teal);font-size:13px;margin-top:5px;}

/* ---------- Rhythm timeline ---------- */
.rhythm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.rhythm-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;}
.rhythm-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.rhythm-step .rs-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:999px;background:var(--brand);color:#fff;
  font-size:14px;font-weight:700;font-family:"Inter","PingFang SC",sans-serif;margin-bottom:14px;
}
.rhythm-step:nth-child(2) .rs-no{background:#3E86F5;}
.rhythm-step:nth-child(3) .rs-no{background:var(--teal);}
.rhythm-step:nth-child(4) .rs-no{background:var(--orange);}
.rhythm-step h3{font-size:18px;color:var(--ink);font-weight:700;margin-bottom:8px;}
.rhythm-step p{font-size:14px;color:var(--text);}
.rhythm-step::after{
  content:"";position:absolute;top:38px;right:-12px;width:12px;height:2px;
  background:linear-gradient(90deg,#CBD9F4,transparent);
}
.rhythm-step:last-child::after{display:none;}

/* ---------- Channel entries ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.channel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#CFDDF9;}
.channel-card h3{font-size:20px;color:var(--ink);font-weight:700;margin:12px 0 8px;}
.channel-card p{font-size:14px;color:var(--muted);}
.channel-card .cc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;font-size:14px;font-weight:600;color:var(--brand);}
.channel-card.is-current{background:linear-gradient(160deg,#EFF5FF,#FFFFFF);border-color:#CFDDF9;}
.channel-card.is-current .cc-foot{color:var(--muted);}

/* ---------- Voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.voice-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:16px;}
.voice-card .vq{font-size:15px;color:var(--ink);line-height:1.8;}
.voice-card .vq::before{content:"“";color:var(--brand);font-size:26px;font-weight:700;line-height:0;vertical-align:-8px;margin-right:2px;}
.voice-card .vm{display:flex;align-items:center;gap:10px;margin-top:auto;}
.voice-avatar{width:36px;height:36px;border-radius:999px;background:var(--brand-light);color:var(--brand);display:grid;place-items:center;font-size:14px;}
.voice-card .vm-name{font-size:14px;font-weight:600;color:var(--ink);}
.voice-card .vm-sub{font-size:12px;color:var(--muted);}

/* ---------- CTA band ---------- */
.cta-band{background:var(--dark);color:#fff;padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.4vw,32px);color:#fff;font-weight:700;line-height:1.35;letter-spacing:-.2px;}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{font-size:17px;color:var(--ink);}
.footer-brand .brand-logo{width:34px;height:34px;border-radius:10px;font-size:14px;}
.footer-about{font-size:14px;color:var(--muted);line-height:1.8;max-width:340px;}
.footer-col h4{font-size:15px;color:var(--ink);font-weight:700;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:var(--text);}
.footer-col li a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{color:var(--muted);}
.fb-links a:hover{color:var(--brand);}

/* ---------- Offcanvas / mobile nav ---------- */
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.mobile-nav .offcanvas-body{padding:18px 20px;}
.mobile-links{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:12px;background:#fff;border:1px solid var(--line);
  font-size:15px;color:var(--ink);font-weight:600;
}
.mobile-links a.active{background:var(--brand);border-color:var(--brand);color:#fff;}
.mobile-links a i{font-size:12px;opacity:.6;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .section{padding:72px 0;}
  .head-grid{gap:38px;}
  .rank-row{grid-template-columns:48px 112px 1fr 30px;gap:16px;}
  .rank-thumb img{width:112px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .head-grid{grid-template-columns:1fr;gap:34px;}
  .head-media{order:2;}
  .float-card{right:8px;bottom:-18px;}
  .stat-strip{grid-template-columns:1fr;gap:14px;margin-top:34px;}
  .feature-grid,.channel-grid,.voice-grid{grid-template-columns:1fr 1fr;}
  .rhythm-grid{grid-template-columns:1fr 1fr;}
  .rhythm-step::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-inner{gap:26px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .page-head{padding:24px 0 52px;}
  .page-head h1{font-size:30px;}
  .rank-wrap{padding:8px;}
  .rank-row{grid-template-columns:40px 88px 1fr;gap:12px;padding:12px 10px;}
  .rank-thumb img{width:88px;border-radius:10px;}
  .rank-arrow{display:none;}
  .rank-title{font-size:15px;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
  .rank-desc{display:none;}
  .feature-grid,.channel-grid,.voice-grid,.rhythm-grid{grid-template-columns:1fr;}
  .head-actions .btn-main,.head-actions .btn-ghost{width:100%;}
  .cta-band{padding:48px 0;}
  .cta-actions{width:100%;}
  .cta-actions a{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .page-head h1{font-size:26px;letter-spacing:-.2px;}
  h2.sec-title{font-size:22px;}
  .float-card{padding:10px 14px;min-width:160px;}
  .stat-card{padding:18px;}
  .brand-words em{display:none;}
}

/* roulang page: category2 */
:root{
  --brand:#2F6FED;
  --brand-dark:#1E4FC4;
  --brand-light:#E8F0FF;
  --teal:#14C8B4;
  --orange:#FF7A59;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --ink:#101828;
  --text:#475467;
  --muted:#7A8699;
  --line:#E6EBF4;
  --dark:#0E1526;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(16,24,40,.04),0 10px 28px rgba(16,24,40,.07);
  --shadow-2:0 2px 6px rgba(16,24,40,.06),0 18px 42px rgba(16,24,40,.11);
  --bs-primary:#2F6FED;
  --bs-body-color:#475467;
  --bs-body-bg:#F6F8FC;
  --bs-border-radius:12px;
  --bs-link-color:#2F6FED;
  --bs-link-hover-color:#1E4FC4;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
a:hover{color:inherit;}
button{font-family:inherit;}
ul{list-style:none;margin:0;padding:0;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.35;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,248,252,.92);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  background:#fff;border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(16,24,40,.04),0 10px 24px rgba(16,24,40,.06);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-logo{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),#5590ff);
  color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:0 6px 16px rgba(47,111,237,.28);
}
.brand-words{display:flex;flex-direction:column;line-height:1.2;}
.brand-words strong{font-size:17px;color:var(--ink);letter-spacing:.2px;}
.brand-words em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.3px;}
.nav-chips{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:999px;font-size:14px;color:var(--text);
  transition:background .18s ease,color .18s ease;
  white-space:nowrap;
}
.nav-chip:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-chip.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(47,111,237,.25);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text);display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-1);}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:10px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  border:1px solid var(--brand);transition:all .18s ease;
}
.btn-solid:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,79,196,.28);color:#fff;}
.offcanvas{border-left:1px solid var(--line);}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-title{font-size:17px;color:var(--ink);}
.m-link{
  display:block;padding:13px 14px;border-radius:10px;font-size:15px;color:var(--text);
  transition:background .18s ease,color .18s ease;
}
.m-link:hover,.m-link.active{background:var(--brand-light);color:var(--brand-dark);font-weight:600;}

/* ---------- Buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-size:16px;font-weight:600;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  transition:all .18s ease;
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(30,79,196,.26);color:#fff;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
  background:#fff;color:var(--brand);border:1px solid #C7D8FB;
  transition:all .18s ease;
}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}

/* ---------- Section base ---------- */
.section{padding:88px 0;}
.section--alt{background:#fff;}
.section--tight{padding:56px 0;}
.section-head{margin-bottom:32px;}
.rule-bar{
  width:48px;height:3px;border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--teal));
  margin-bottom:16px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
h2.sec-title{font-size:clamp(23px,2.5vw,32px);letter-spacing:-.2px;}
.sec-desc{font-size:15px;color:var(--muted);margin-top:12px;max-width:760px;line-height:1.8;}

/* ---------- Page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#F6F8FC 100%);
  border-bottom:1px solid var(--line);
  padding:36px 0 72px;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(47,111,237,.13) 1px,transparent 1px);
  background-size:22px 22px;opacity:.45;pointer-events:none;
}
.page-head .container{position:relative;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px;flex-wrap:wrap;}
.crumbs a{color:var(--muted);transition:color .18s ease;}
.crumbs a:hover{color:var(--brand);}
.crumbs span[aria-current]{color:var(--brand);font-weight:600;}
.head-grid{display:grid;grid-template-columns:1.45fr .85fr;gap:56px;align-items:start;}
.head-copy h1{font-size:clamp(26px,3.1vw,42px);line-height:1.24;letter-spacing:-.6px;}
.head-desc{margin-top:18px;font-size:16px;color:var(--text);line-height:1.85;max-width:620px;}
.head-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;
  border-radius:999px;font-size:13px;color:var(--brand-dark);
  background:var(--brand-light);border:1px solid #D6E3FF;
}
.head-side{display:flex;flex-direction:column;gap:16px;}
.sort-bar{
  display:flex;align-items:center;justify-content:flex-end;gap:10px;
  font-size:13px;color:var(--muted);
}
.sort-select{
  appearance:none;-webkit-appearance:none;
  height:42px;padding:0 38px 0 14px;border-radius:10px;
  border:1px solid var(--line);background-color:#fff;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%237A8699' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  font-size:14px;color:var(--ink);font-weight:500;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.sort-select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,111,237,.14);}
.head-figure{
  position:relative;border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-1);border:1px solid var(--line);background:#fff;
}
.head-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.figure-tag{
  position:absolute;left:14px;bottom:14px;
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(14,21,38,.78);color:#fff;
  font-size:12px;padding:6px 12px;border-radius:999px;
  backdrop-filter:blur(6px);
}
.figure-tag::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);
}

/* ---------- Metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.metric-label{font-size:13px;color:var(--muted);margin-bottom:8px;}
.metric-value{font-size:32px;font-weight:700;color:var(--ink);line-height:1.1;letter-spacing:-.5px;font-variant-numeric:tabular-nums;}
.metric-value small{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px;}
.metric-bar{height:6px;border-radius:999px;background:#EEF3FB;margin-top:14px;overflow:hidden;}
.metric-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--teal));}

/* ---------- Explore layout ---------- */
.explore-grid{display:grid;grid-template-columns:280px 1fr;gap:36px;align-items:start;}
.filter-panel{
  position:sticky;top:88px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:22px;
}
.filter-title{font-size:15px;color:var(--ink);font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:4px;}
.filter-note{font-size:12px;color:var(--muted);margin-bottom:16px;}
.filter-group{padding:16px 0;border-top:1px dashed var(--line);}
.filter-group:first-of-type{border-top:none;padding-top:6px;}
.filter-group h3{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:10px;letter-spacing:.2px;}
.check{
  display:flex;align-items:center;gap:9px;
  font-size:14px;color:var(--text);padding:6px 0;cursor:pointer;
  transition:color .16s ease;
}
.check:hover{color:var(--brand-dark);}
.check input{
  appearance:none;-webkit-appearance:none;
  width:17px;height:17px;border-radius:5px;border:1px solid #CFD8E6;background:#fff;
  display:inline-grid;place-items:center;flex:none;
  transition:all .16s ease;cursor:pointer;
}
.check input:checked{background:var(--brand);border-color:var(--brand);}
.check input:checked::after{
  content:"";width:9px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;
  transform:rotate(-45deg) translate(1px,-1px);
}
.check input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.range-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:6px;}
input[type="range"]{
  -webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:999px;
  background:linear-gradient(90deg,var(--brand) 0%,var(--brand) 55%,#EEF3FB 55%,#EEF3FB 100%);
  outline:none;margin:8px 0 4px;
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 2px 8px rgba(47,111,237,.35);cursor:pointer;
}
input[type="range"]::-moz-range-thumb{
  width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--brand);cursor:pointer;
}
.filter-reset{
  margin-top:18px;width:100%;height:40px;border-radius:10px;
  background:#fff;border:1px solid var(--line);color:var(--text);font-size:14px;font-weight:600;
  transition:all .18s ease;
}
.filter-reset:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light);}
.filter-toggle{
  display:flex;align-items:center;justify-content:space-between;width:100%;
  height:46px;padding:0 16px;margin-bottom:18px;
  border-radius:10px;background:#fff;border:1px solid var(--line);
  color:var(--ink);font-size:14px;font-weight:600;box-shadow:var(--shadow-1);
}

/* ---------- Feed cards ---------- */
.feed-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.feed-head h2{font-size:20px;}
.feed-count{font-size:13px;color:var(--muted);}
.feed-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.feed-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFE0FF;color:inherit;}
.feed-badge{
  align-self:flex-start;
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:999px;font-size:12px;font-weight:600;
  color:var(--brand-dark);background:var(--brand-light);margin-bottom:14px;
}
.feed-title{font-size:17px;line-height:1.5;margin-bottom:10px;}
.feed-desc{
  font-size:14px;color:var(--text);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.feed-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);padding-top:14px;border-top:1px solid var(--line);
}
.feed-meta i{font-size:12px;margin-right:5px;}
.feed-arrow{
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);font-size:12px;
  transition:all .18s ease;
}
.feed-card:hover .feed-arrow{background:var(--brand);color:#fff;transform:translateX(2px);}
.empty-state{
  width:100%;background:var(--brand-light);border:1px dashed #BED3FB;border-radius:var(--r-lg);
  padding:44px 24px;text-align:center;color:var(--brand-dark);font-size:15px;
}
.empty-state i{display:block;font-size:26px;margin-bottom:12px;color:var(--brand);}
.feed-more{display:flex;justify-content:center;margin-top:32px;}

/* ---------- Scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFE0FF;}
.scene-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);font-size:17px;margin-bottom:16px;
}
.scene-card h3{font-size:16px;margin-bottom:8px;}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- Tips ---------- */
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.tip-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease;
}
.tip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.tip-index{
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px;
  font-variant-numeric:tabular-nums;margin-bottom:12px;display:block;
}
.tip-card h3{font-size:17px;margin-bottom:10px;}
.tip-card p{font-size:14px;color:var(--text);line-height:1.8;}
.tip-line{position:absolute;left:0;top:0;width:3px;height:100%;background:linear-gradient(180deg,var(--brand),var(--teal));opacity:.9;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--line);border-radius:14px;background:#fff;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.accordion-item:hover{border-color:#CFE0FF;box-shadow:var(--shadow-1);}
.accordion-button{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);
  background:#fff;box-shadow:none;border:none;
}
.accordion-button:not(.collapsed){
  background:var(--brand-light);color:var(--brand-dark);
  box-shadow:inset 3px 0 0 var(--brand);
}
.accordion-button:focus{box-shadow:none;border:none;}
.accordion-button::after{display:none;}
.accordion-button::before{
  content:"+";margin-left:auto;order:2;
  width:26px;height:26px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-size:15px;font-weight:700;
  background:var(--brand-light);color:var(--brand);
  transition:all .18s ease;
}
.accordion-button:not(.collapsed)::before{content:"−";background:var(--brand);color:#fff;}
.accordion-body{padding:4px 20px 20px;font-size:15px;color:var(--text);line-height:1.85;}

/* ---------- Tags ---------- */
.tag-bar{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-1);
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.tag-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;
  border-radius:999px;font-size:14px;color:var(--text);
  background:var(--bg);border:1px solid var(--line);
  transition:all .18s ease;
}
.tag-pill:hover{background:var(--brand-light);border-color:#C7D8FB;color:var(--brand-dark);transform:translateY(-1px);}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#E8F0FF 0%,#F6F8FC 62%,#E9FBF8 100%);
  border:1px solid #D6E3FF;border-radius:20px;
  padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.3vw,28px);margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--text);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{font-size:17px;color:var(--ink);}
.footer-about{font-size:14px;color:var(--muted);line-height:1.85;max-width:330px;}
.footer-col h4{font-size:15px;color:var(--ink);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--text);transition:color .18s ease;}
.footer-col ul a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.fb-links{display:flex;gap:18px;}
.fb-links a{color:var(--muted);transition:color .18s ease;}
.fb-links a:hover{color:var(--brand);}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .head-grid{grid-template-columns:1.2fr .8fr;gap:36px;}
  .explore-grid{grid-template-columns:242px 1fr;gap:28px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .page-head{padding:28px 0 56px;}
  .head-grid{grid-template-columns:1fr;gap:28px;}
  .sort-bar{justify-content:flex-start;}
  .explore-grid{grid-template-columns:1fr;}
  .filter-panel{position:static;padding:22px;}
  .tips-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:32px;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .page-head{padding:22px 0 44px;}
  .head-copy h1{font-size:30px;}
  .head-desc{font-size:15px;}
  .metric-grid{grid-template-columns:1fr;gap:14px;}
  .scene-grid{grid-template-columns:1fr;}
  .feed-card{padding:18px;}
  .btn-main,.btn-ghost{width:100%;}
  .cta-actions{width:100%;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .accordion-button{font-size:15px;padding:16px;}
  .tag-bar{padding:20px;}
  .brand-words em{display:none;}
}
@media (max-width:519.98px){
  .head-chips .chip{font-size:12px;height:28px;padding:0 10px;}
  .metric-value{font-size:28px;}
  .feed-meta{flex-wrap:wrap;gap:8px;}
  .cta-band{padding:24px;}
  .hero-title{font-size:28px;}
}