/* roulang page: index */
:root{
  --primary:#C2334F;
  --primary-hover:#A32741;
  --primary-soft:#FBE9ED;
  --primary-line:#F0C6CF;
  --accent:#F08A5D;
  --dark:#2A2231;
  --dark-card:#3A3047;
  --dark-text:#F5EFF2;
  --dark-muted:#C9BCC4;
  --ink:#1E1A20;
  --text:#3A343C;
  --muted:#7A7078;
  --line:#ECE4E6;
  --page:#FFF9F6;
  --card:#FFFFFF;
  --success:#2F8F6D;
  --warn:#C8791F;
  --warn-bg:#FDF3E3;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 2px 8px rgba(30,26,32,.06);
  --shadow-hover:0 10px 28px rgba(194,51,79,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 2px 12px rgba(30,26,32,.08)}
.nav-wrap{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.3px;flex:none}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:grid;place-items:center;color:#fff;flex:none;
}
.logo-mark svg{width:20px;height:20px}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:block;padding:8px 13px;font-size:15px;color:var(--text);
  border-radius:8px;transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:-3px;height:2px;
  border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;width:16px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:24px}
.nav-mask{
  position:fixed;inset:0;background:rgba(30,26,32,.42);opacity:0;visibility:hidden;
  transition:opacity .25s ease;z-index:95;
}
.nav-mask.show{opacity:1;visibility:visible}
.nav-close{
  display:none;position:absolute;top:14px;right:16px;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--muted);font-size:18px;line-height:1;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-on-dark:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.text-link{
  display:inline-block;color:var(--primary);font-weight:600;font-size:14px;
  border-bottom:1px solid transparent;transition:border-color .2s,color .2s;
}
.text-link:hover{border-bottom-color:var(--primary)}
.text-link::after{content:" →";font-weight:400}

/* ---------- generic section ---------- */
.section{padding:80px 0}
.section--white{background:#fff}
.section--soft{background:var(--primary-soft)}
.section--deep{background:var(--dark);color:var(--dark-text)}
.section--warn{background:var(--warn-bg)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{
  position:relative;padding-left:16px;font-size:30px;line-height:1.4;font-weight:700;
  color:var(--ink);letter-spacing:-.3px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--primary);
}
.section--deep .section-head h2{color:#fff}
.section-sub{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.9}
.section--deep .section-sub{color:var(--dark-muted)}
.section-foot{margin-top:32px;text-align:center}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:78px 0 0;
  background:
    linear-gradient(180deg,rgba(255,249,246,.95) 0%,rgba(251,233,237,.96) 78%,rgba(251,233,237,.98) 100%),
    url('/assets/images/e55ca9ce1a178b9a.webp') center/cover no-repeat;
}
.hero-glow{
  position:absolute;width:320px;height:320px;border-radius:50%;
  background:rgba(194,51,79,.06);top:-70px;right:-60px;pointer-events:none;
}
.hero-inner{position:relative;max-width:820px;text-align:center;margin:0 auto}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--primary-line);color:var(--primary);
  font-size:13px;font-weight:500;letter-spacing:.2px;
}
.hero h1{
  margin-top:22px;font-size:40px;line-height:1.25;font-weight:700;
  color:var(--ink);letter-spacing:-.5px;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.9;color:var(--text)}
.hero-cta{margin-top:30px;display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.hero-trust{
  margin:32px auto 0;display:flex;justify-content:center;flex-wrap:wrap;gap:12px;
}
.hero-trust li{
  display:flex;align-items:center;gap:7px;padding:7px 15px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.78);border:1px solid var(--line);
  font-size:13px;color:var(--text);
}
.hero-trust li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--success);flex:none;
}
.hero-live{
  position:relative;margin-top:56px;border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;
  box-shadow:0 -2px 20px rgba(30,26,32,.08);
}
.hero-live img{width:100%;height:260px;object-fit:cover}
.hero-live-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  gap:12px;padding:28px 32px;
  background:linear-gradient(180deg,rgba(42,34,49,.05) 0%,rgba(42,34,49,.82) 100%);
}
.live-title{font-size:14px;font-weight:600;color:#fff;letter-spacing:.6px}
.live-chips{display:flex;flex-wrap:wrap;gap:10px}
.live-chip{
  padding:7px 14px;border-radius:var(--radius-pill);font-size:13px;color:#fff;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.26);
  backdrop-filter:blur(2px);
}

/* ---------- stats strip ---------- */
.stats-strip{padding:52px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{text-align:center}
.stat-num{
  font-size:36px;line-height:1.1;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.stat-num em{font-size:16px;font-weight:500;font-style:normal;color:var(--accent);margin-left:4px}
.stat-label{margin-top:8px;font-size:13px;color:var(--dark-muted);letter-spacing:.4px}

/* ---------- feature grid ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(194,51,79,.4)}
.feature-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);margin-bottom:18px;
}
.feature-card h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--ink)}
.feature-card p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--muted);min-height:78px}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  display:flex;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(194,51,79,.4)}
.scene-figure{flex:0 0 42%;overflow:hidden}
.scene-figure img{width:100%;height:100%;object-fit:cover;min-height:180px;transition:transform .4s ease}
.scene-card:hover .scene-figure img{transform:scale(1.05)}
.scene-body{flex:1;padding:22px 20px;display:flex;flex-direction:column}
.scene-body h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5}
.scene-body p{margin-top:8px;font-size:13.5px;line-height:1.85;color:var(--muted);flex:1}
.scene-tag{
  display:inline-block;margin-top:14px;padding:4px 12px;border-radius:8px;
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:500;
  align-self:flex-start;
}

/* ---------- topic rail ---------- */
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.topic-rail{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;
}
.topic-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(194,51,79,.4)}
.topic-card h3{font-size:16px;font-weight:600;color:var(--ink);line-height:1.55}
.topic-card p{margin-top:10px;font-size:13px;line-height:1.8;color:var(--muted)}
.topic-meta{
  margin-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--primary);font-variant-numeric:tabular-nums;
}
.topic-dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);
  margin-right:6px;vertical-align:middle;
}

/* ---------- circle grid ---------- */
.circle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.circle-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.circle-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(194,51,79,.4)}
.circle-item strong{display:block;font-size:15px;font-weight:600;color:var(--ink)}
.circle-item span{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- safety split ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split-figure{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.step-list{margin-top:26px;display:grid;gap:20px}
.step-item{display:flex;gap:16px;align-items:flex-start}
.step-num{
  flex:none;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;font-size:14px;font-weight:700;
  background:var(--primary-soft);color:var(--primary);font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:16px;font-weight:600;color:var(--ink)}
.step-item p{margin-top:5px;font-size:14px;line-height:1.85;color:var(--muted)}

/* ---------- guide steps ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.guide-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow);position:relative;
}
.guide-card::after{
  content:"";position:absolute;top:22px;right:22px;width:8px;height:8px;border-radius:50%;
  background:var(--primary-line);
}
.guide-idx{
  font-size:26px;font-weight:700;color:var(--primary-line);font-variant-numeric:tabular-nums;
  letter-spacing:-1px;
}
.guide-card h3{margin-top:10px;font-size:18px;font-weight:600;color:var(--ink)}
.guide-card p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--muted)}

/* ---------- stories ---------- */
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.story-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.story-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.story-head{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:15px;
}
.story-head strong{display:block;font-size:15px;color:var(--ink)}
.story-head span{display:block;font-size:12.5px;color:var(--muted)}
.story-card p{margin-top:16px;font-size:14px;line-height:1.9;color:var(--text);flex:1}
.story-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);
}
.stars{color:var(--accent);letter-spacing:2px;font-size:13px}

/* ---------- posts (CMS) ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(194,51,79,.4)}
.post-thumb{display:block;background:#F3EDEE;overflow:hidden}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.badge{
  display:inline-block;padding:4px 11px;border-radius:8px;
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:500;
  align-self:flex-start;
}
.post-body h3{margin-top:12px;font-size:17px;line-height:1.6;font-weight:600;color:var(--ink)}
.post-body h3 a{transition:color .2s}
.post-body h3 a:hover{color:var(--primary)}
.post-body p{margin-top:10px;font-size:13.5px;line-height:1.85;color:var(--muted);flex:1}
.post-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.post-arrow{color:var(--primary);font-weight:600}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;
  border:1px dashed var(--primary-line);border-radius:var(--radius);
}
.empty-icon{
  width:48px;height:48px;margin:0 auto 16px;border-radius:50%;
  background:var(--primary-soft);display:grid;place-items:center;color:var(--primary);font-size:22px;
}
.empty-state p{font-size:15px;color:var(--muted)}
.empty-state .btn{margin-top:20px}

/* ---------- city grid ---------- */
.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.city-card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:20px 20px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.city-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(194,51,79,.4)}
.city-card strong{font-size:16px;font-weight:600;color:var(--ink);display:block}
.city-card span{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.plan-card.featured{
  border:2px solid var(--primary);transform:translateY(-8px);
  box-shadow:0 14px 36px rgba(194,51,79,.16);
}
.plan-card.featured:hover{transform:translateY(-10px)}
.plan-name{font-size:18px;font-weight:700;color:var(--ink)}
.plan-desc{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.8}
.plan-list{margin:22px 0 26px;display:grid;gap:11px;flex:1}
.plan-list li{
  position:relative;padding-left:22px;font-size:14px;line-height:1.75;color:var(--text);
}
.plan-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--primary);opacity:.65;
}

/* ---------- notice band ---------- */
.notice-band{display:flex;gap:22px;align-items:flex-start}
.notice-icon{
  flex:none;width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:#fff;color:var(--warn);box-shadow:var(--shadow);
}
.notice-text h2{font-size:24px;font-weight:700;color:var(--ink);line-height:1.4}
.notice-text p{margin-top:10px;font-size:14.5px;line-height:1.9;color:#7A5B2E}
.notice-text .text-link{margin-top:14px;color:var(--warn)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item:hover{border-color:rgba(194,51,79,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:0 22px;height:56px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--primary);
  transition:transform .18s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;border-top:1px solid var(--line);margin-top:0}
.faq-body p{padding-top:16px;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- download ---------- */
.download-card{
  display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;
  background:var(--dark-card);border:1px solid rgba(255,255,255,.1);
  border-radius:20px;padding:52px 48px;
}
.download-card h2{font-size:30px;line-height:1.4;color:#fff;font-weight:700;letter-spacing:-.3px}
.download-card p{margin-top:14px;font-size:15px;line-height:1.9;color:var(--dark-muted)}
.download-btns{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px}
.qr-box{
  width:100%;max-width:240px;aspect-ratio:1;margin:0 auto;border-radius:16px;
  border:2px dashed rgba(255,255,255,.28);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;color:var(--dark-muted);
  font-size:13px;text-align:center;padding:16px;
}
.qr-box svg{width:56px;height:56px;opacity:.7}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--dark-muted);max-width:300px}
.footer-badges{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{
  padding:5px 12px;border-radius:8px;font-size:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:var(--dark-text);
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--dark-muted);transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:var(--dark-muted);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .topic-rail{grid-template-columns:repeat(3,1fr)}
  .circle-grid{grid-template-columns:repeat(3,1fr)}
  .city-grid{grid-template-columns:repeat(3,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .scene-figure{flex:0 0 34%}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .story-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:991px){
  .section{padding:56px 0}
  .hero{padding:56px 0 0}
  .hero h1{font-size:32px}
  .hero-live img{height:220px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .split{grid-template-columns:1fr;gap:36px}
  .guide-grid{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .plan-card.featured{transform:none}
  .plan-card.featured:hover{transform:translateY(-4px)}
  .download-card{grid-template-columns:1fr;padding:40px 32px;gap:32px}
  .notice-band{flex-direction:column}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:64px 20px 24px;z-index:100;transform:translateX(105%);
    transition:transform .28s ease;box-shadow:-8px 0 32px rgba(30,26,32,.14);
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0)}
  .nav-link{padding:12px 14px;font-size:15.5px;border-radius:10px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--primary-soft)}
  .nav-toggle{display:block}
  .nav-close{display:block}
  .nav-actions .btn{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:40px 0}
  .hero h1{font-size:26px;line-height:1.35}
  .hero-sub{font-size:15px}
  .hero-cta .btn{width:100%}
  .hero-live-overlay{padding:20px}
  .hero-live img{height:190px}
  .topic-rail{grid-template-columns:1fr}
  .circle-grid{grid-template-columns:repeat(2,1fr)}
  .city-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:1fr}
  .story-grid{grid-template-columns:1fr}
  .scene-card{flex-direction:column}
  .scene-figure{flex:none}
  .scene-figure img{min-height:180px;aspect-ratio:4/3}
  .feature-grid{grid-template-columns:1fr}
  .feature-card p{min-height:0}
  .section-head h2{font-size:23px}
  .notice-text h2{font-size:20px}
  .download-card h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .stat-num{font-size:30px}
  .faq-item summary{height:auto;padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px}
}
@media (max-width:520px){
  .hero-trust{flex-direction:column;align-items:stretch}
  .hero-trust li{justify-content:center}
  .live-chips{flex-direction:column;align-items:flex-start}
  .circle-grid{grid-template-columns:1fr}
  .city-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --primary:#C2334F;
  --primary-hover:#A32741;
  --primary-soft:#FBE9ED;
  --primary-line:#F0C6CF;
  --accent:#F08A5D;
  --dark:#2A2231;
  --dark-card:#3A3047;
  --dark-text:#F5EFF2;
  --dark-muted:#C9BCC4;
  --ink:#1E1A20;
  --text:#3A343C;
  --muted:#7A7078;
  --line:#ECE4E6;
  --page:#FFF9F6;
  --card:#FFFFFF;
  --success:#2F8F6D;
  --warn:#C8791F;
  --warn-bg:#FDF3E3;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 2px 8px rgba(30,26,32,.06);
  --shadow-hover:0 10px 28px rgba(194,51,79,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.4em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 2px 12px rgba(30,26,32,.08)}
.nav-wrap{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.3px;flex:none}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:grid;place-items:center;color:#fff;flex:none;
}
.logo-mark svg{width:20px;height:20px}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:block;padding:8px 13px;font-size:15px;color:var(--text);
  border-radius:8px;transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:-3px;height:2px;
  border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;width:16px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:24px}
.nav-mask{
  position:fixed;inset:0;background:rgba(30,26,32,.42);opacity:0;visibility:hidden;
  transition:opacity .25s ease;z-index:95;
}
.nav-mask.show{opacity:1;visibility:visible}
.nav-close{
  display:none;position:absolute;top:14px;right:16px;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--muted);font-size:16px;line-height:1;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,.nav-link:focus-visible,.text-link:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;
}
.text-link{
  display:inline-block;color:var(--primary);font-weight:600;font-size:14px;
  border-bottom:1px solid transparent;transition:border-color .2s,color .2s;
}
.text-link:hover{border-bottom-color:var(--primary)}
.text-link::after{content:" →";font-weight:400}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:34px 0 40px;
  background:var(--primary-soft);
  border-bottom:1px solid var(--primary-line);
}
.article-hero::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--primary);opacity:.55;
}
.article-hero::after{
  content:"";position:absolute;right:-90px;top:-110px;width:300px;height:300px;border-radius:50%;
  background:rgba(194,51,79,.07);pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);position:relative;z-index:1;
}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--primary-line)}
.breadcrumb .current{
  color:var(--text);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-badge{
  display:inline-flex;align-items:center;margin-top:18px;
  padding:4px 12px;border-radius:8px;background:#fff;color:var(--primary);
  border:1px solid var(--primary-line);font-size:12px;font-weight:500;
}
.article-hero h1{
  position:relative;z-index:1;
  margin-top:14px;font-size:34px;line-height:1.35;font-weight:700;
  color:var(--ink);letter-spacing:-.5px;max-width:900px;
}
.article-meta{
  position:relative;z-index:1;
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:13px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta span::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--primary-line);
}
.article-meta span:first-child::before{background:var(--primary)}

/* ---------- layout ---------- */
.article-section{padding:48px 0 80px;background:#fff}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;
  gap:44px;justify-content:space-between;align-items:start;
}
.article-main{min-width:0}

/* ---------- prose ---------- */
.prose{font-size:17px;line-height:1.9;color:var(--text)}
.prose p{margin:0 0 18px}
.prose h2{
  position:relative;font-size:22px;line-height:1.5;font-weight:700;color:var(--ink);
  margin:38px 0 16px;padding-left:14px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary);
}
.prose h3{font-size:19px;line-height:1.55;font-weight:600;color:var(--ink);margin:28px 0 12px}
.prose h4{font-size:17px;font-weight:600;color:var(--ink);margin:22px 0 10px}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 18px}
.prose li{margin-bottom:8px}
.prose blockquote{
  margin:26px 0;padding:18px 22px;background:var(--primary-soft);
  border-left:4px solid var(--primary);border-radius:0 12px 12px 0;color:var(--text);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:12px;margin:24px auto}
.prose figure{margin:26px 0}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.prose a{color:var(--primary);text-decoration:underline;text-underline-offset:2px}
.prose a:hover{color:var(--primary-hover)}
.prose strong{color:var(--ink)}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose th{background:var(--primary-soft);color:var(--ink);font-weight:600}

/* ---------- blocks ---------- */
.key-points{
  margin-top:40px;padding:24px 26px;background:var(--primary-soft);
  border:1px solid var(--primary-line);border-radius:var(--radius);
}
.key-points h3{
  font-size:16px;font-weight:700;color:var(--primary);margin:0 0 14px;
  display:flex;align-items:center;gap:8px;
}
.key-points h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary)}
.key-points ul{list-style:none;padding:0;margin:0}
.key-points li{
  position:relative;padding-left:22px;margin-bottom:10px;font-size:15px;line-height:1.85;color:var(--text);
}
.key-points li:last-child{margin-bottom:0}
.key-points li::before{
  content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);
}
.compliance-bar{
  margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;
  padding:16px 20px;background:var(--warn-bg);border-radius:var(--radius-sm);
  border:1px solid #F3DFBD;font-size:14px;line-height:1.8;color:#6B4A16;
}
.compliance-bar .c-icon{
  width:26px;height:26px;border-radius:50%;background:var(--warn);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;flex:none;
}
.compliance-bar p{margin:0;flex:1 1 260px}
.compliance-bar .text-link{color:#A9631A;font-size:13px}
.compliance-bar .text-link:hover{border-bottom-color:#A9631A}

/* ---------- related ---------- */
.related-block{margin-top:48px}
.block-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:20px;
}
.block-title h2{
  position:relative;padding-left:14px;font-size:20px;font-weight:700;color:var(--ink);line-height:1.4;
}
.block-title h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--primary);
}
.block-title .text-link{font-size:13px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.rec-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:border-color .22s,box-shadow .22s,transform .22s;
}
.rec-card:hover{border-color:rgba(194,51,79,.4);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.rec-cover{aspect-ratio:16/10;overflow:hidden;background:#F4EEEF}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rec-card:hover .rec-cover img{transform:scale(1.04)}
.rec-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px}
.rec-body h3{font-size:15px;line-height:1.6;font-weight:600;color:var(--ink);margin:0}
.rec-time{font-size:12px;color:var(--muted)}

/* ---------- post nav ---------- */
.post-nav{
  margin-top:40px;display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:stretch;
}
.post-nav-card{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .22s,box-shadow .22s;
}
.post-nav-card:hover{border-color:rgba(194,51,79,.4);box-shadow:var(--shadow)}
.post-nav-card .dir{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.post-nav-card strong{font-size:15px;color:var(--ink);font-weight:600;line-height:1.6}
.post-nav-card.next{text-align:right}
.post-nav-card.next .dir{justify-content:flex-end}
.post-nav-back{
  align-self:center;display:inline-flex;align-items:center;justify-content:center;
  padding:12px 24px;border-radius:var(--radius-pill);background:var(--primary-soft);
  color:var(--primary);font-size:14px;font-weight:600;border:1px solid var(--primary-line);
  transition:background .2s,color .2s,transform .2s;
}
.post-nav-back:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}

/* ---------- empty ---------- */
.empty-state{
  padding:64px 24px;text-align:center;background:#fff;
  border:1px dashed var(--primary-line);border-radius:var(--radius);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:var(--primary-soft);display:grid;place-items:center;color:var(--primary);font-size:24px;
}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:22px}

/* ---------- sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px}
.sidebar-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 20px 18px;box-shadow:var(--shadow);
}
.sidebar-card h3{
  font-size:15px;font-weight:700;color:var(--ink);margin:0 0 14px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:8px;
}
.sidebar-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary)}
.toc-list{list-style:none;margin:0;padding:0}
.toc-list li{margin-bottom:2px}
.toc-list a{
  display:block;padding:7px 8px;font-size:14px;color:var(--text);border-radius:8px;
  transition:background .2s,color .2s;
}
.toc-list a:hover{background:var(--primary-soft);color:var(--primary)}
.hot-list{list-style:none;margin:0;padding:0;counter-reset:hot}
.hot-list li{
  counter-increment:hot;position:relative;padding-left:26px;margin-bottom:12px;
}
.hot-list li:last-child{margin-bottom:0}
.hot-list li::before{
  content:counter(hot);position:absolute;left:0;top:2px;
  width:18px;height:18px;border-radius:6px;background:var(--primary-soft);color:var(--primary);
  font-size:11px;font-weight:700;display:grid;place-items:center;line-height:1;
}
.hot-list a{font-size:14px;line-height:1.7;color:var(--text);transition:color .2s}
.hot-list a:hover{color:var(--primary)}
.download-card{
  background:var(--dark);color:var(--dark-text);border-radius:var(--radius);
  padding:22px 20px;border:1px solid rgba(255,255,255,.10);
}
.download-card h3{
  color:#fff;font-size:16px;font-weight:700;margin:0 0 8px;
  padding:0;border:0;display:block;
}
.download-card h3::before{display:none}
.download-card p{font-size:13px;color:var(--dark-muted);line-height:1.8;margin:0 0 16px}
.qr-box{
  width:112px;height:112px;margin:0 auto 16px;border-radius:16px;
  border:1px dashed rgba(255,255,255,.35);background:rgba(255,255,255,.06);
  display:grid;place-items:center;font-size:12px;color:var(--dark-muted);text-align:center;line-height:1.6;
}
.download-card .btn{width:100%}
.download-card .btn + .btn{margin-top:10px}
.download-card .btn-soft{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.4);
}
.download-card .btn-soft:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);transform:translateY(-1px)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--dark-muted);margin:0 0 18px;max-width:320px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{
  padding:4px 12px;border-radius:8px;background:rgba(255,255,255,.10);
  font-size:12px;color:var(--dark-text);
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:6px 0 16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--dark-muted);transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--dark-muted);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:991px){
  .main-nav{
    position:fixed;top:0;right:0;width:82%;max-width:330px;height:100%;
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:64px 20px 28px;box-shadow:-10px 0 32px rgba(30,26,32,.14);
    transform:translateX(102%);transition:transform .3s ease;z-index:100;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0)}
  .nav-close{display:block}
  .nav-toggle{display:block}
  .nav-link{padding:12px 14px;font-size:16px;border-radius:10px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--primary-soft)}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .sidebar{position:static;top:auto}
  .article-hero h1{font-size:28px}
  .article-section{padding:36px 0 64px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .post-nav{grid-template-columns:1fr;gap:12px}
  .post-nav-card.next{text-align:left}
  .post-nav-card.next .dir{justify-content:flex-start}
  .post-nav-back{justify-self:start}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .related-grid{grid-template-columns:1fr 1fr}
  .article-hero{padding:26px 0 30px}
  .article-hero h1{font-size:24px;line-height:1.4}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .prose{font-size:16px;line-height:1.85}
  .prose h2{font-size:20px}
  .prose h3{font-size:17px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .nav-actions .btn-sm{display:none}
  .related-grid{grid-template-columns:1fr}
  .article-meta{gap:8px 14px;font-size:12px}
  .key-points{padding:18px 18px}
  .compliance-bar{padding:14px 16px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .btn{width:100%}
  .nav-toggle{width:38px;height:38px}
  .post-nav-back{width:100%}
}

/* roulang page: category1 */
:root{
  --primary:#C2334F;
  --primary-hover:#A32741;
  --primary-soft:#FBE9ED;
  --primary-line:#F0C6CF;
  --accent:#F08A5D;
  --dark:#2A2231;
  --dark-card:#3A3047;
  --dark-text:#F5EFF2;
  --dark-muted:#C9BCC4;
  --ink:#1E1A20;
  --text:#3A343C;
  --muted:#7A7078;
  --line:#ECE4E6;
  --page:#FFF9F6;
  --card:#FFFFFF;
  --success:#2F8F6D;
  --warn:#C8791F;
  --warn-bg:#FDF3E3;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 2px 8px rgba(30,26,32,.06);
  --shadow-hover:0 10px 28px rgba(194,51,79,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--page);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 2px 12px rgba(30,26,32,.08)}
.nav-wrap{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.3px;flex:none}
.logo-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;flex:none}
.logo-mark svg{width:20px;height:20px}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;display:block;padding:8px 12px;font-size:15px;color:var(--text);border-radius:8px;transition:color .2s,background .2s}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:-3px;height:2px;border-radius:2px;background:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;padding:0;position:relative}
.nav-toggle span{position:absolute;left:11px;width:16px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:24px}
.nav-mask{position:fixed;inset:0;background:rgba(30,26,32,.42);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:95}
.nav-mask.show{opacity:1;visibility:visible}
.nav-close{display:none;position:absolute;top:14px;right:16px;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--muted);font-size:18px;line-height:1}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.text-link{display:inline-block;color:var(--primary);font-weight:600;font-size:14px;border-bottom:1px solid transparent;transition:border-color .2s,color .2s}
.text-link:hover{border-bottom-color:var(--primary)}
.text-link::after{content:" →";font-weight:400}

/* ---------- generic ---------- */
.section{padding:80px 0}
.section--white{background:#fff}
.section--soft{background:var(--primary-soft)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{position:relative;padding-left:16px;font-size:30px;line-height:1.4;font-weight:700;color:var(--ink);letter-spacing:-.3px}
.section-head h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--primary)}
.section-sub{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.9}
.section-foot{margin-top:32px;text-align:center}

/* ---------- category head ---------- */
.cat-head{position:relative;overflow:hidden;background:var(--primary-soft);border-bottom:1px solid var(--primary-line);padding:34px 0 36px}
.cat-head::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--primary)}
.cat-head::after{content:"";position:absolute;right:-70px;top:-90px;width:240px;height:240px;border-radius:50%;background:rgba(194,51,79,.07);pointer-events:none}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:14px;position:relative;z-index:1}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#B9ADB3}
.cat-head h1{position:relative;z-index:1;font-size:34px;line-height:1.28;font-weight:700;color:var(--ink);letter-spacing:-.5px;max-width:860px}
.cat-desc{position:relative;z-index:1;margin-top:14px;max-width:820px;font-size:15px;line-height:1.9;color:var(--text)}
.cat-stats{position:relative;z-index:1;margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.stat-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:8px;background:#fff;border:1px solid var(--primary-line);font-size:13px;font-weight:500;color:var(--primary)}
.stat-pill i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}

/* ---------- filter bar ---------- */
.filter-wrap{background:#fff;border-bottom:1px solid var(--line)}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:20px 0}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:7px 16px;border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s}
.chip:hover{border-color:var(--primary-line);color:var(--primary)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.sort-box{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.sort-select{height:40px;padding:0 36px 0 14px;border:1px solid var(--line);border-radius:12px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%237A7078' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 14px center;appearance:none;cursor:pointer;font-size:14px;color:var(--text);transition:border-color .2s,box-shadow .2s}
.sort-select:hover{border-color:var(--primary-line)}
.sort-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(194,51,79,.12);outline:none}

/* ---------- topic cards ---------- */
.topic-list{padding:44px 0 0}
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.topic-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease}
.topic-card:hover{border-color:rgba(194,51,79,.4);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.card-cover{position:relative;aspect-ratio:16/9;background:#F4EEF0;overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.topic-card:hover .card-cover img{transform:scale(1.04)}
.card-cover .cover-tag{position:absolute;left:14px;bottom:14px;padding:4px 12px;border-radius:8px;background:rgba(42,34,49,.72);color:#fff;font-size:12px;font-weight:500;backdrop-filter:blur(2px)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{display:inline-flex;align-items:center;padding:3px 12px;border-radius:8px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:500;line-height:1.5;align-self:flex-start}
.card-title{font-size:19px;line-height:1.5;font-weight:600;color:var(--ink);letter-spacing:-.2px}
.card-excerpt{font-size:14px;line-height:1.85;color:var(--muted)}
.card-meta{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);border-top:1px solid var(--line)}
.card-meta .meta-time{padding-top:10px}
.card-arrow{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:13px;transition:background .2s,color .2s,transform .2s}
.topic-card:hover .card-arrow{background:var(--primary);color:#fff;transform:translateX(2px)}

/* ---------- topic nav ---------- */
.topic-nav-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-nav-card{display:block;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:border-color .25s,box-shadow .25s,transform .25s}
.topic-nav-card:hover{border-color:rgba(194,51,79,.4);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.topic-nav-card h3{font-size:17px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:8px}
.topic-nav-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.topic-nav-card p{margin-top:8px;font-size:14px;line-height:1.85;color:var(--muted)}

/* ---------- editor picks ---------- */
.pick-wrap{display:grid;grid-template-columns:1.25fr 1fr;gap:24px}
.pick-main{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .25s,transform .25s,border-color .25s}
.pick-main:hover{border-color:rgba(194,51,79,.4);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.pick-main .pick-cover{aspect-ratio:4/3;overflow:hidden;background:#F4EEF0}
.pick-main .pick-cover img{width:100%;height:100%;object-fit:cover}
.pick-main .pick-body{padding:22px 24px 24px}
.pick-main h3{margin-top:10px;font-size:22px;line-height:1.5;font-weight:600;color:var(--ink)}
.pick-main p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--muted)}
.pick-side{display:grid;gap:24px;align-content:start}
.pick-mini{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:border-color .25s,box-shadow .25s,transform .25s}
.pick-mini:hover{border-color:rgba(194,51,79,.4);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.pick-mini .mini-cover{aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:#F4EEF0}
.pick-mini .mini-cover img{width:100%;height:100%;object-fit:cover}
.pick-mini h4{font-size:16px;line-height:1.6;font-weight:600;color:var(--ink)}
.pick-mini p{margin-top:6px;font-size:13px;line-height:1.8;color:var(--muted)}

/* ---------- feature split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-hover);background:#F4EEF0;aspect-ratio:4/3}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media .float-card{position:absolute;left:18px;bottom:18px;right:18px;padding:14px 18px;border-radius:12px;background:rgba(255,255,255,.94);box-shadow:0 6px 20px rgba(30,26,32,.12)}
.float-card strong{display:block;font-size:14px;color:var(--ink)}
.float-card span{font-size:12.5px;color:var(--muted)}
.split-text h2{position:relative;padding-left:16px;font-size:28px;line-height:1.4;font-weight:700;color:var(--ink);letter-spacing:-.3px}
.split-text h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--primary)}
.split-text .lead{margin-top:16px;font-size:15px;line-height:1.95;color:var(--text)}
.step-list{margin-top:24px;display:grid;gap:16px}
.step-item{display:grid;grid-template-columns:32px 1fr;gap:14px;align-items:start}
.step-num{width:32px;height:32px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:14px;font-weight:700;display:grid;place-items:center;border:1px solid var(--primary-line)}
.step-item h4{font-size:16px;font-weight:600;color:var(--ink)}
.step-item p{margin-top:4px;font-size:14px;line-height:1.85;color:var(--muted)}

/* ---------- faq + cta ---------- */
.faq-cta{background:var(--primary-soft);padding:80px 0}
.faq-cta-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.open{border-color:var(--primary-line);box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:52px;padding:12px 20px;background:none;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6}
.faq-q .faq-ico{flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--primary-line);color:var(--primary);display:grid;place-items:center;font-size:15px;line-height:1;transition:transform .18s ease,background .2s,color .2s}
.faq-item.open .faq-ico{background:var(--primary);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 20px 18px;font-size:14.5px;line-height:1.8;color:var(--muted)}
.cta-card{background:var(--dark);color:var(--dark-text);border-radius:var(--radius);padding:36px 32px;position:relative;overflow:hidden}
.cta-card::after{content:"";position:absolute;right:-50px;bottom:-60px;width:180px;height:180px;border-radius:50%;background:rgba(240,138,93,.16)}
.cta-card h3{position:relative;z-index:1;font-size:24px;line-height:1.45;font-weight:700;color:#fff}
.cta-card p{position:relative;z-index:1;margin-top:12px;font-size:14.5px;line-height:1.9;color:var(--dark-muted)}
.cta-actions{position:relative;z-index:1;margin-top:24px;display:flex;flex-wrap:wrap;gap:12px}
.cta-card .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.cta-card .btn-ghost:hover{background:rgba(255,255,255,.12)}
.cta-note{position:relative;z-index:1;margin-top:18px;font-size:12.5px;color:var(--dark-muted)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--dark-muted);max-width:330px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-badges span{font-size:12px;padding:4px 12px;border-radius:8px;background:rgba(255,255,255,.1);color:var(--dark-text)}
.footer-col h4{font-size:15px;font-weight:600;margin:0 0 16px;color:#fff}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--dark-muted);transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--dark-muted)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .topic-nav-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .section{padding:56px 0}
  .faq-cta{padding:56px 0}
  .nav-toggle{display:block}
  .main-nav{position:fixed;top:0;right:0;bottom:0;width:290px;max-width:88vw;background:#fff;flex-direction:column;align-items:stretch;gap:4px;padding:64px 20px 24px;transform:translateX(100%);transition:transform .28s ease;z-index:100;box-shadow:-10px 0 32px rgba(30,26,32,.14);overflow-y:auto}
  .main-nav.open{transform:none}
  .nav-close{display:block}
  .nav-link{width:100%;padding:12px 14px;font-size:15px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--primary-soft)}
  .cat-head h1{font-size:28px}
  .split{grid-template-columns:1fr;gap:28px}
  .faq-cta-grid{grid-template-columns:1fr;gap:28px}
  .pick-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:40px 0}
  .faq-cta{padding:44px 0}
  .cat-head{padding:26px 0 28px}
  .cat-head h1{font-size:24px}
  .cat-desc{font-size:14px}
  .section-head h2{font-size:24px}
  .split-text h2{font-size:23px}
  .topic-grid{grid-template-columns:1fr;gap:18px}
  .topic-nav-grid{grid-template-columns:1fr}
  .card-title{font-size:18px}
  .pick-mini{grid-template-columns:100px 1fr}
  .filter-bar{padding:16px 0}
  .sort-box{width:100%}
  .sort-select{flex:1}
}
@media (max-width:480px){
  .cat-head h1{font-size:22px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .pick-mini{grid-template-columns:1fr}
  .pick-mini .mini-cover{aspect-ratio:16/9}
}