/* roulang page: index */
:root{
  --primary:#3B2A4D;
  --primary-dark:#2A1C38;
  --accent:#FF6B7A;
  --mint:#35B9A6;
  --bg:#FBF8F6;
  --bg-alt:#F3EDEA;
  --white:#FFFFFF;
  --text:#1F1A24;
  --text-sub:#5B5560;
  --text-weak:#8B858F;
  --border:#E7DFDA;
  --line:#F0E9E5;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-card:0 6px 20px rgba(59,42,77,.06);
  --shadow-hover:0 12px 28px rgba(59,42,77,.12);
  --container:1200px;
  --pad-section:88px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:var(--pad-section) 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:var(--white);}
.section--dark{background:var(--primary-dark);color:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3;letter-spacing:0;}
.section-head .head-desc{margin-top:10px;color:var(--text-sub);font-size:15px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.04em;color:var(--accent);font-weight:600;}
.text-link{color:var(--primary);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:color .2s ease,gap .2s ease;}
.text-link:hover{color:var(--primary-dark);gap:10px;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(59,42,77,.18);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(59,42,77,.24);}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--primary);}
.btn-ghost:hover{background:rgba(59,42,77,.06);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary);}
.btn-light:hover{background:#F6F1EE;transform:translateY(-1px);box-shadow:0 12px 24px rgba(0,0,0,.16);}
.btn-outline-white{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
.btn-outline-white:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:active{transform:translateY(0);}

/* header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(251,248,246,.92);
  backdrop-filter:saturate(140%) blur(6px);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom:1px solid var(--border);box-shadow:0 2px 14px rgba(59,42,77,.05);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),#6C4E85);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(59,42,77,.22);
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-weak);letter-spacing:.06em;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 14px;font-size:15px;color:var(--text-sub);font-weight:500;
  border-radius:var(--radius-sm);transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--primary);transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* hero */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 84px;
  background:
    radial-gradient(1100px 520px at 8% -10%,rgba(255,107,122,.14),transparent 62%),
    radial-gradient(900px 480px at 88% 8%,rgba(53,185,166,.12),transparent 60%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--border);
  font-size:13px;color:var(--text-sub);font-weight:600;
  box-shadow:0 4px 12px rgba(59,42,77,.05);
}
.hero-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block;}
.hero h1{
  margin-top:20px;
  font-size:clamp(28px,4vw,46px);
  line-height:1.26;font-weight:700;letter-spacing:-.01em;
}
.hero h1 .hl{color:var(--primary);position:relative;white-space:nowrap;}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:10px;
  background:rgba(255,107,122,.22);border-radius:6px;z-index:-1;
}
.hero-sub{margin-top:20px;color:var(--text-sub);font-size:16px;max-width:520px;}
.hero-sub span{display:block;}
.hero-cta{display:flex;align-items:center;gap:14px;margin-top:30px;flex-wrap:wrap;}
.hero-meta{display:flex;align-items:center;gap:14px;margin-top:26px;font-size:13px;color:var(--text-weak);flex-wrap:wrap;}
.hero-meta .sep{width:1px;height:12px;background:var(--border);}
.hero-visual{position:relative;}
.hero-shot{
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:0 24px 50px rgba(59,42,77,.16);
  border:6px solid #fff;background:#fff;
}
.hero-shot img{width:100%;height:430px;object-fit:cover;}
.hero-float{
  position:absolute;left:-26px;bottom:44px;
  background:#fff;border-radius:var(--radius-md);
  padding:14px 16px;box-shadow:0 16px 34px rgba(59,42,77,.16);
  display:flex;align-items:center;gap:12px;max-width:230px;
}
.hero-float .avatar{
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#FF9AA4);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0;
}
.hero-float b{display:block;font-size:13px;color:var(--text);}
.hero-float small{font-size:12px;color:var(--text-weak);}
.hero-badge{
  position:absolute;right:-14px;top:26px;
  background:var(--primary);color:#fff;
  padding:10px 16px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;box-shadow:0 12px 26px rgba(59,42,77,.28);
}

/* quick tags */
.quickbar{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;}
.quickbar-track{display:flex;gap:12px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.quickbar-track::-webkit-scrollbar{display:none;}
.qtag{
  display:inline-flex;align-items:center;gap:8px;flex-shrink:0;
  padding:9px 18px;border-radius:var(--radius-pill);
  background:var(--bg);border:1px solid var(--border);
  font-size:14px;color:var(--text-sub);font-weight:500;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.qtag:hover{border-color:var(--primary);color:var(--primary);background:#fff;}
.qtag .ico{font-size:15px;line-height:1;}

/* capability */
.cap-layout{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start;}
.cap-side h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.32;}
.cap-side p{margin-top:16px;color:var(--text-sub);font-size:15px;}
.cap-side .text-link{margin-top:22px;}
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.cap-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cap-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DCCFC7;}
.cap-card .cap-ico{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(59,42,77,.07);color:var(--primary);font-size:19px;margin-bottom:14px;
}
.cap-card h3{font-size:18px;font-weight:700;}
.cap-card p{margin-top:8px;color:var(--text-sub);font-size:14px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cap-card.is-big{grid-row:span 2;background:linear-gradient(160deg,#3B2A4D,#4E3765);color:#fff;border-color:transparent;justify-content:flex-start;display:flex;flex-direction:column;}
.cap-card.is-big .cap-ico{background:rgba(255,255,255,.16);color:#fff;}
.cap-card.is-big p{color:rgba(255,255,255,.76);-webkit-line-clamp:4;}
.cap-card.is-big .cap-stat{margin-top:auto;padding-top:18px;font-size:13px;color:rgba(255,255,255,.7);}
.cap-card.is-big .cap-stat b{color:#fff;font-size:22px;display:block;}

/* process */
.steps-line{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step-item{position:relative;padding-top:34px;}
.step-item::before{
  content:"";position:absolute;top:15px;left:34px;right:-20px;height:0;
  border-top:1px dashed #D6C9C1;
}
.step-item:last-child::before{display:none;}
.step-dot{
  position:absolute;top:0;left:0;
  width:30px;height:30px;border-radius:50%;
  background:#fff;border:1px solid var(--border);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.step-item h3{font-size:17px;font-weight:700;}
.step-item p{margin-top:6px;font-size:14px;color:var(--text-sub);}

/* cities */
.city-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;}
.city-tags{display:flex;flex-wrap:wrap;gap:12px;}
.city-tag{
  padding:9px 18px;border-radius:var(--radius-pill);font-size:14px;
  background:#fff;border:1px solid var(--border);color:var(--text-sub);
  transition:all .2s ease;
}
.city-tag:nth-child(3n+2){background:transparent;border-style:dashed;}
.city-tag:hover{color:var(--primary);border-color:var(--primary);background:#fff;transform:translateY(-1px);}

/* stories */
.story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;}
.story-lead{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  min-height:420px;display:flex;align-items:flex-end;
  box-shadow:var(--shadow-card);
}
.story-lead img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.story-lead:hover img{transform:scale(1.04);}
.story-lead .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(42,28,56,.05),rgba(42,28,56,.82));}
.story-lead .body{position:relative;padding:28px;color:#fff;}
.story-lead .body h3{font-size:22px;font-weight:700;}
.story-lead .body p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.82);}
.story-side{display:grid;grid-template-rows:1fr 1fr auto;gap:22px;}
.story-small{
  display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:14px;box-shadow:var(--shadow-card);transition:box-shadow .22s ease,transform .22s ease;
}
.story-small:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.story-small img{width:120px;height:96px;object-fit:cover;border-radius:var(--radius-sm);}
.story-small h3{font-size:16px;font-weight:700;}
.story-small p{margin-top:6px;font-size:13px;color:var(--text-sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.story-quote{
  background:rgba(255,107,122,.08);border:1px solid rgba(255,107,122,.24);
  border-radius:var(--radius-md);padding:20px 22px;font-size:15px;color:var(--text);
}
.story-quote strong{color:var(--accent);}
.tag-line{display:inline-block;font-size:12px;font-weight:600;color:var(--accent);background:rgba(255,107,122,.12);padding:3px 10px;border-radius:var(--radius-pill);margin-bottom:8px;}

/* safety */
.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.safety-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);}
.safety-img img{width:100%;height:380px;object-fit:cover;}
.safety-list{margin-top:26px;display:grid;gap:18px;}
.safety-item{display:flex;gap:14px;align-items:flex-start;}
.safety-item .si-ico{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:rgba(53,185,166,.12);color:var(--mint);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.safety-item h3{font-size:16px;font-weight:700;}
.safety-item p{margin-top:4px;font-size:14px;color:var(--text-sub);}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.news-thumb{position:relative;height:160px;overflow:hidden;background:var(--bg-alt);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-badge{align-self:flex-start;font-size:12px;font-weight:600;color:var(--primary);background:rgba(59,42,77,.08);padding:3px 10px;border-radius:var(--radius-pill);}
.news-card h3{font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .news-sum{font-size:14px;color:var(--text-sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-weak);padding-top:6px;}
.news-foot .arrow{color:var(--primary);font-weight:700;transition:transform .2s ease;}
.news-card:hover .news-foot .arrow{transform:translateX(4px);}
.news-empty{
  text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--border);
  border-radius:var(--radius-md);
}
.news-empty .ico{font-size:30px;color:var(--text-weak);}
.news-empty p{margin-top:12px;color:var(--text-sub);font-size:15px;}

/* channels */
.channel-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;}
.channel-row{
  display:flex;align-items:center;gap:16px;
  padding:20px 16px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding .2s ease;
  border-radius:var(--radius-sm);
}
.channel-row:hover{background:rgba(59,42,77,.05);}
.channel-row .ch-title{font-size:16px;font-weight:700;flex-shrink:0;}
.channel-row .ch-desc{font-size:13px;color:var(--text-sub);flex:1;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.channel-row .ch-arrow{color:var(--primary);font-weight:700;transition:transform .2s ease;}
.channel-row:hover .ch-arrow{transform:translateX(4px);}

/* circles */
.rail{display:flex;gap:22px;overflow-x:auto;padding-bottom:10px;scrollbar-width:none;-ms-overflow-style:none;}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 300px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease;
}
.rail-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.rail-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rail-thumb img{width:100%;height:100%;object-fit:cover;}
.rail-body{padding:18px;}
.rail-body h3{font-size:16px;font-weight:700;}
.rail-meta{margin-top:10px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);}

/* plans */
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:900px;margin:0 auto;}
.plan-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-card);position:relative;
}
.plan-card.is-pro{border:2px solid var(--primary);box-shadow:0 14px 34px rgba(59,42,77,.14);}
.plan-card .corner{
  position:absolute;top:-13px;left:30px;background:var(--accent);color:#fff;
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:var(--radius-pill);
}
.plan-card h3{font-size:20px;font-weight:700;}
.plan-card .plan-sub{margin-top:6px;font-size:14px;color:var(--text-sub);}
.plan-list{margin-top:22px;display:grid;gap:12px;}
.plan-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-sub);}
.plan-list li .ck{color:var(--mint);font-weight:700;flex-shrink:0;}
.plan-card .btn{margin-top:26px;width:100%;}

/* onboard */
.onboard-grid{display:grid;grid-template-columns:1fr .8fr;gap:56px;align-items:center;}
.onboard-step{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--border);}
.onboard-step:last-of-type{border-bottom:0;}
.onboard-step .num{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:rgba(59,42,77,.08);color:var(--primary);font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.onboard-step h3{font-size:17px;font-weight:700;}
.onboard-step p{margin-top:4px;font-size:14px;color:var(--text-sub);}
.onboard-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);}
.onboard-img img{width:100%;height:400px;object-fit:cover;}

/* stats */
.stats-band{background:var(--primary-dark);color:#fff;padding:64px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat-num{font-size:clamp(28px,3.4vw,40px);font-weight:700;color:#fff;line-height:1.2;}
.stat-num span{color:var(--accent);}
.stat-label{margin-top:8px;font-size:14px;color:rgba(255,255,255,.72);}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.review-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:26px;box-shadow:var(--shadow-card);
}
.review-card:nth-child(2){transform:translateY(-16px);}
.review-card:nth-child(3){transform:translateY(10px);}
.review-top{display:flex;align-items:center;gap:12px;}
.review-avatar{
  width:44px;height:44px;border-radius:50%;color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.review-top b{display:block;font-size:15px;}
.review-top small{font-size:12px;color:var(--text-weak);}
.stars{margin-top:14px;color:var(--accent);font-size:14px;letter-spacing:2px;}
.review-card p{margin-top:10px;font-size:14px;color:var(--text-sub);line-height:1.8;}

/* faq */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-q .qic{color:var(--text-weak);font-size:14px;transition:transform .25s ease;flex-shrink:0;}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-item.is-open .qic{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 4px 22px;font-size:15px;color:var(--text-sub);line-height:1.85;}

/* cta */
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#3B2A4D 0%,#2A1C38 58%,#4A3159 100%);
  border-radius:26px;padding:52px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:0 24px 50px rgba(42,28,56,.28);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,122,.42),transparent 66%);
}
.cta-copy{position:relative;z-index:1;}
.cta-copy h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;}
.cta-copy p{margin-top:10px;color:rgba(255,255,255,.76);font-size:15px;}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6);}

/* footer */
.site-footer{background:var(--primary-dark);color:#fff;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.55);}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.8;max-width:300px;}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:#fff;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:var(--accent);}

@media (max-width:1200px){
  .hero-grid{gap:40px;}
  .cap-layout{grid-template-columns:260px 1fr;gap:36px;}
}
@media (max-width:992px){
  :root{--pad-section:72px;}
  .nav-menu{
    position:fixed;top:72px;right:0;left:0;
    background:#fff;border-bottom:1px solid var(--border);
    flex-direction:column;align-items:stretch;gap:0;
    padding:12px 20px 20px;transform:translateY(-12px);
    opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease;
    box-shadow:0 18px 30px rgba(59,42,77,.1);
  }
  .nav-menu.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-link{padding:14px 6px;font-size:16px;border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-shot img{height:360px;}
  .hero-float{left:auto;right:10px;bottom:-18px;}
  .hero-badge{top:-12px;right:8px;}
  .cap-layout{grid-template-columns:1fr;}
  .steps-line{grid-template-columns:1fr 1fr;gap:26px;}
  .step-item::before{display:none;}
  .city-layout,.safety-grid,.onboard-grid{grid-template-columns:1fr;gap:32px;}
  .story-grid{grid-template-columns:1fr;}
  .story-lead{min-height:340px;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .review-grid{grid-template-columns:1fr;}
  .review-card:nth-child(2),.review-card:nth-child(3){transform:none;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .nav-actions .btn-sm{display:none;}
  .hero{padding:48px 0 64px;}
  .hero-meta{font-size:12px;gap:10px;}
  .news-grid{grid-template-columns:1fr;}
  .cap-grid{grid-template-columns:1fr;}
  .cap-card.is-big{grid-row:auto;}
  .steps-line{grid-template-columns:1fr;}
  .story-side{grid-template-rows:auto;}
  .story-small{grid-template-columns:100px 1fr;}
  .story-small img{width:100px;height:84px;}
  .onboard-img img,.safety-img img{height:280px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-card{padding:28px;border-radius:20px;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .hero-cta .btn{width:100%;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .stat-num{font-size:26px;}
  .brand-text strong{font-size:14px;}
  .rail-card{flex:0 0 82%;}
}

/* roulang page: article */
:root{
  --primary:#3B2A4D;
  --primary-dark:#2A1C38;
  --accent:#FF6B7A;
  --mint:#35B9A6;
  --bg:#FBF8F6;
  --bg-alt:#F3EDEA;
  --white:#FFFFFF;
  --text:#1F1A24;
  --text-sub:#5B5560;
  --text-weak:#8B858F;
  --border:#E7DFDA;
  --line:#F0E9E5;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-card:0 6px 20px rgba(59,42,77,.06);
  --shadow-hover:0 12px 28px rgba(59,42,77,.12);
  --container:1200px;
  --pad-section:88px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
@media (max-width:768px){:root{--pad-section:56px;}}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;
  color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:var(--pad-section) 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:var(--white);}
.section--dark{background:var(--primary-dark);color:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3;letter-spacing:0;}
.section-head .head-desc{margin-top:10px;color:var(--text-sub);font-size:15px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.04em;color:var(--accent);font-weight:600;}
.text-link{color:var(--primary);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:color .2s ease,gap .2s ease;}
.text-link:hover{color:var(--primary-dark);gap:10px;}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(59,42,77,.18);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(59,42,77,.24);}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--primary);}
.btn-ghost:hover{background:rgba(59,42,77,.06);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary);}
.btn-light:hover{background:#F6F1EE;transform:translateY(-1px);box-shadow:0 12px 24px rgba(0,0,0,.16);}
.btn-outline-white{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
.btn-outline-white:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:active{transform:translateY(0);}
/* 头部 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(251,248,246,.92);
  -webkit-backdrop-filter:saturate(140%) blur(6px);
  backdrop-filter:saturate(140%) blur(6px);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom:1px solid var(--border);box-shadow:0 2px 14px rgba(59,42,77,.05);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),#6C4E85);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(59,42,77,.22);
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-weak);letter-spacing:.06em;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 14px;font-size:15px;color:var(--text-sub);font-weight:500;
  border-radius:var(--radius-sm);transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-drawer-cta{display:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:#fff;align-items:center;justify-content:center;position:relative;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);position:relative;transition:background .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--primary);
  transition:transform .2s ease,top .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}
/* 面包屑 */
.crumb-bar{background:var(--bg);border-bottom:1px solid var(--line);padding:20px 0 0;}
.crumb-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-bottom:8px;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-weak);flex-wrap:wrap;}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .cur{color:var(--primary);font-weight:600;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:12px;font-weight:600;
  background:rgba(59,42,77,.07);color:var(--primary);
}
.badge-accent{background:rgba(255,107,122,.12);color:#D84456;}
.badge-mint{background:rgba(53,185,166,.13);color:#1E8E7E;}
/* 文章头 */
.article-hero{
  position:relative;overflow:hidden;
  padding:36px 0 44px;
  background:
    radial-gradient(900px 420px at 6% -20%,rgba(255,107,122,.13),transparent 62%),
    radial-gradient(760px 400px at 92% 0%,rgba(53,185,166,.11),transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.article-hero-inner{max-width:840px;}
.article-title{
  font-size:clamp(26px,3.4vw,40px);line-height:1.3;font-weight:700;letter-spacing:-.01em;
  margin-bottom:18px;
}
.article-lead{font-size:16px;color:var(--text-sub);line-height:1.85;margin-bottom:22px;}
.article-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--text-weak);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border);}
.article-meta strong{color:var(--text-sub);font-weight:600;}
/* 正文布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.article-main{min-width:0;}
.article-body{
  font-size:17px;line-height:1.9;color:var(--text);
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:36px 38px;box-shadow:var(--shadow-card);
  max-width:760px;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;
  padding-left:14px;border-left:4px solid var(--primary);
  margin:38px 0 16px;
}
.article-body h3{font-size:19px;font-weight:700;margin:30px 0 12px;line-height:1.5;}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;
  border-radius:50%;background:var(--accent);
}
.article-body ol{counter-reset:artli;}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:10px;counter-increment:artli;}
.article-body ol li::before{
  content:counter(artli);position:absolute;left:0;top:5px;
  width:20px;height:20px;border-radius:50%;background:rgba(59,42,77,.09);
  color:var(--primary);font-size:12px;font-weight:700;line-height:20px;text-align:center;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:rgba(59,42,77,.05);
  border-left:4px solid var(--primary);border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--text-sub);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--primary-dark);}
.article-body img{border-radius:var(--radius-md);margin:24px auto;height:auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{text-align:center;font-size:12px;color:var(--text-weak);margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--bg-alt);font-weight:700;}
.article-body code{background:rgba(59,42,77,.07);padding:2px 6px;border-radius:6px;font-size:.92em;}
.article-body pre{background:var(--primary-dark);color:#fff;padding:18px 20px;border-radius:var(--radius-md);overflow-x:auto;font-size:14px;line-height:1.7;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-body iframe{max-width:100%;border-radius:var(--radius-md);}
/* 空状态 */
.empty-state{
  max-width:760px;background:var(--white);border:1px dashed var(--border);
  border-radius:var(--radius-lg);padding:56px 32px;text-align:center;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px;}
.empty-state p{color:var(--text-sub);font-size:15px;margin-bottom:24px;}
/* 侧栏 */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-card);
}
.aside-card h3{font-size:15px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.aside-card h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--accent);}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;padding:8px 12px;border-radius:var(--radius-sm);
  font-size:14px;color:var(--text-sub);transition:background .2s ease,color .2s ease;
  border-left:2px solid transparent;
}
.toc-list a:hover{background:rgba(59,42,77,.05);color:var(--primary);}
.toc-list a.is-current{background:rgba(59,42,77,.07);color:var(--primary);font-weight:600;border-left-color:var(--primary);}
.hot-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list li:first-child{padding-top:0;}
.hot-list .num{
  flex:0 0 20px;height:20px;border-radius:6px;background:rgba(59,42,77,.08);
  color:var(--primary);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-top:4px;
}
.hot-list li:nth-child(1) .num{background:var(--accent);color:#fff;}
.hot-list a{font-size:14px;line-height:1.6;color:var(--text-sub);display:block;}
.hot-list a:hover{color:var(--primary);}
.aside-card--cta{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;}
.aside-card--cta h3{color:#fff;}
.aside-card--cta h3::before{background:var(--accent);}
.aside-card--cta p{font-size:13px;color:rgba(255,255,255,.72);line-height:1.75;margin-bottom:16px;}
.aside-card--cta .btn{width:100%;}
/* 关键要点 */
.key-points{
  max-width:760px;margin-top:28px;background:rgba(59,42,77,.045);
  border:1px solid rgba(59,42,77,.09);border-radius:var(--radius-lg);padding:26px 28px;
}
.key-points h2{font-size:18px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.key-points h2::before{
  content:"";width:22px;height:22px;border-radius:7px;background:var(--mint);
  display:inline-block;position:relative;flex:0 0 22px;
}
.key-points ul li{position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;line-height:1.8;color:var(--text-sub);}
.key-points ul li:last-child{margin-bottom:0;}
.key-points ul li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:7px;
  border-left:2px solid var(--mint);border-bottom:2px solid var(--mint);
  transform:rotate(-45deg);border-radius:1px;
}
/* 安全板块 */
.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.safety-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);}
.safety-media img{width:100%;height:340px;object-fit:cover;}
.safety-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(42,28,56,0) 40%,rgba(42,28,56,.55));
}
.safety-media span{
  position:absolute;left:22px;bottom:20px;z-index:2;color:#fff;font-size:14px;font-weight:600;
  letter-spacing:.02em;
}
.safety-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--border);}
.safety-list li:last-child{border-bottom:0;}
.safety-ico{
  flex:0 0 42px;height:42px;border-radius:12px;background:rgba(53,185,166,.14);
  display:flex;align-items:center;justify-content:center;color:var(--mint);font-weight:700;font-size:15px;
}
.safety-list h4{font-size:16px;font-weight:700;margin-bottom:4px;}
.safety-list p{font-size:14px;color:var(--text-sub);line-height:1.7;}
/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DCCFC8;}
.rel-card .rel-cat{font-size:12px;color:var(--accent);font-weight:600;}
.rel-card h3{font-size:16px;font-weight:700;line-height:1.55;color:var(--text);}
.rel-card .rel-meta{font-size:12px;color:var(--text-weak);margin-top:auto;}
.rel-card .rel-arrow{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
/* 上下篇 */
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.pn-item{
  display:block;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:20px 24px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pn-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DCCFC8;}
.pn-item .pn-label{font-size:12px;color:var(--text-weak);letter-spacing:.06em;margin-bottom:8px;display:block;}
.pn-item strong{font-size:16px;font-weight:700;line-height:1.5;color:var(--text);}
.pn-item.is-right{text-align:right;}
/* 底部 CTA */
.cta-bar{
  background:linear-gradient(120deg,var(--primary-dark) 0%,var(--primary) 68%,#5A3E73 100%);
  border-radius:var(--radius-lg);padding:40px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,107,122,.35),transparent 65%);
}
.cta-bar h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;margin-bottom:8px;position:relative;z-index:1;}
.cta-bar p{font-size:14px;color:rgba(255,255,255,.74);position:relative;z-index:1;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}
.back-row{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-sub);
  margin-bottom:24px;
}
.back-row a{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.back-row a:hover{color:var(--primary-dark);}
/* 页脚 */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;font-size:14px;}
.footer-col ul li a,.footer-col ul li span{color:rgba(255,255,255,.66);transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--accent);}
/* 响应式 */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px;}
}
@media (max-width:992px){
  .nav-menu{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--border);
    padding:14px 20px 20px;box-shadow:0 16px 30px rgba(59,42,77,.12);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:none;}
  .nav-link{padding:12px 10px;font-size:15px;border-radius:var(--radius-sm);}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:rgba(59,42,77,.06);}
  .nav-toggle{display:flex;}
  .nav-drawer-cta{display:inline-flex;width:100%;margin-top:10px;}
  .nav-cta{display:none;}
  .article-layout{grid-template-columns:1fr;}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .aside-card{flex:1 1 260px;}
  .safety-grid{grid-template-columns:1fr;gap:28px;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .article-body{padding:24px 20px;font-size:16px;}
  .article-title{font-size:26px;}
  .rel-grid{grid-template-columns:1fr;}
  .prevnext{grid-template-columns:1fr;}
  .pn-item.is-right{text-align:left;}
  .cta-bar{padding:30px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .article-aside{flex-direction:column;}
  .safety-media img{height:240px;}
  .breadcrumb .cur{max-width:200px;}
}
@media (max-width:480px){
  .brand-text em{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .key-points{padding:20px;}
  .aside-card{padding:18px;}
}

/* roulang page: category1 */
:root{
  --primary:#3B2A4D;
  --primary-dark:#2A1C38;
  --accent:#FF6B7A;
  --mint:#35B9A6;
  --bg:#FBF8F6;
  --bg-alt:#F3EDEA;
  --white:#FFFFFF;
  --text:#1F1A24;
  --text-sub:#5B5560;
  --text-weak:#8B858F;
  --border:#E7DFDA;
  --line:#F0E9E5;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-card:0 6px 20px rgba(59,42,77,.06);
  --shadow-hover:0 12px 28px rgba(59,42,77,.12);
  --container:1200px;
  --pad-section:88px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;
  color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
: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 20px;}
.section{padding:var(--pad-section) 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:var(--white);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);}
.section-head .head-desc{margin-top:10px;color:var(--text-sub);font-size:15px;max-width:640px;}
.text-link{color:var(--primary);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:color .2s ease,gap .2s ease;}
.text-link:hover{color:var(--primary-dark);gap:10px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.04em;color:var(--accent);font-weight:600;}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(59,42,77,.18);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(59,42,77,.24);}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--primary);}
.btn-ghost:hover{background:rgba(59,42,77,.06);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary);}
.btn-light:hover{background:#F6F1EE;transform:translateY(-1px);box-shadow:0 12px 24px rgba(0,0,0,.16);}
.btn-outline-white{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
.btn-outline-white:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:active{transform:translateY(0);}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(251,248,246,.92);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom:1px solid var(--border);box-shadow:0 2px 14px rgba(59,42,77,.05);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),#6C4E85);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(59,42,77,.22);
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-weak);letter-spacing:.06em;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{position:relative;padding:8px 14px;font-size:15px;color:var(--text-sub);font-weight:500;border-radius:var(--radius-sm);transition:color .2s ease;}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:#fff;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--primary);transition:transform .2s ease;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 分类页头 */
.cat-hero{
  position:relative;overflow:hidden;
  padding:44px 0 46px;
  background:
    radial-gradient(760px 320px at 6% -30%,rgba(255,107,122,.16),transparent 62%),
    radial-gradient(680px 300px at 92% 0%,rgba(53,185,166,.13),transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.cat-hero-grid{display:grid;grid-template-columns:1fr 260px;gap:40px;align-items:center;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);margin-bottom:14px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-sub);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{opacity:.55;}
.cat-hero h1{font-size:clamp(24px,3vw,36px);line-height:1.3;}
.cat-lead{margin-top:14px;color:var(--text-sub);font-size:15px;max-width:660px;}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cat-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--border);
  font-size:13px;color:var(--text-sub);
}
.cat-tag i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block;}
.cat-badges{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.cat-badge{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:16px 12px;text-align:center;box-shadow:var(--shadow-card);
}
.cat-badge span{display:block;font-size:12px;color:var(--text-sub);margin-top:8px;}
.cat-badge svg{width:24px;height:24px;margin:0 auto;display:block;}

/* 筛选条 */
.filter-wrap{padding:24px 0 0;}
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
.filter-bar::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 18px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--border);
  font-size:14px;color:var(--text-sub);
  transition:color .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--primary);border-color:var(--primary);}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(59,42,77,.18);}

/* 列表主体 */
.meet-list{display:flex;flex-direction:column;}
.meet-row{
  display:grid;grid-template-columns:230px 1fr;gap:26px;align-items:flex-start;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.meet-row:nth-child(4n){border-bottom-color:var(--border);}
.row-thumb{
  display:block;position:relative;overflow:hidden;border-radius:var(--radius-md);
  aspect-ratio:4/3;background:var(--bg-alt);
}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.meet-row:hover .row-thumb img{transform:scale(1.05);}
.row-body{min-width:0;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(255,107,122,.12);color:#C2415A;
  font-size:12px;font-weight:600;
}
.row-body h3{font-size:19px;margin:12px 0 8px;line-height:1.4;}
.row-body h3 a{transition:color .2s ease;}
.row-body h3 a:hover{color:var(--primary);}
.row-body .row-sum{
  color:var(--text-sub);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--text-weak);}
.row-meta .dot-sep{opacity:.5;}
.list-more{display:flex;justify-content:center;margin-top:40px;}
.empty-state{
  background:#fff;border:1px dashed var(--border);border-radius:var(--radius-lg);
  padding:56px 24px;text-align:center;color:var(--text-sub);
}
.empty-state svg{width:44px;height:44px;margin:0 auto 14px;display:block;opacity:.7;}
.empty-state p{font-size:15px;}

/* 热门话题 */
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 28px;}
.topic-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:20px 22px;transition:box-shadow .2s ease,transform .2s ease;
}
.topic-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.topic-item h3{font-size:16px;display:flex;align-items:center;gap:9px;}
.topic-item h3::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 auto;}
.topic-item ul{margin-top:10px;display:flex;flex-direction:column;gap:6px;}
.topic-item li{font-size:14px;color:var(--text-sub);line-height:1.6;}
.topic-item li a{transition:color .2s ease;}
.topic-item li a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}

/* 使用建议 */
.guide-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:center;}
.guide-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);aspect-ratio:4/3;background:var(--bg-alt);}
.guide-media img{width:100%;height:100%;object-fit:cover;}
.guide-item{display:grid;grid-template-columns:36px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);}
.guide-item:last-child{border-bottom:0;}
.guide-num{
  width:32px;height:32px;border-radius:50%;
  background:rgba(59,42,77,.08);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
}
.guide-item h3{font-size:16px;margin-bottom:4px;}
.guide-item p{font-size:14px;color:var(--text-sub);line-height:1.7;}

/* 频道入口 */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.channel-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.channel-card:hover{border-color:rgba(59,42,77,.35);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.channel-card strong{display:block;font-size:16px;}
.channel-card span{display:block;font-size:13px;color:var(--text-sub);margin-top:6px;}
.channel-card .arrow{color:var(--primary);font-size:18px;flex:0 0 auto;transition:transform .2s ease;}
.channel-card:hover .arrow{transform:translateX(4px);}

/* FAQ */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:16.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex:0 0 auto;margin-top:8px;
  border-right:2px solid var(--text-weak);border-bottom:2px solid var(--text-weak);
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item[open] summary{color:var(--primary);}
.faq-answer{padding:0 0 22px;color:var(--text-sub);font-size:15px;line-height:1.85;}

/* 底部 CTA 条 */
.cta-strip{
  background:linear-gradient(120deg,var(--primary-dark) 0%,var(--primary) 62%,#5A3F72 100%);
  border-radius:var(--radius-lg);padding:38px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(42,28,56,.22);
}
.cta-strip h2{font-size:clamp(20px,2.4vw,26px);color:#fff;}
.cta-strip p{margin-top:10px;color:rgba(255,255,255,.74);font-size:14.5px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.5);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:330px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;line-height:1.6;}
.footer-col a{color:rgba(255,255,255,.66);transition:color .2s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-col span{color:rgba(255,255,255,.6);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62);transition:color .2s ease;}
.footer-bottom a:hover{color:var(--accent);}

@media (max-width:1199px){
  :root{--pad-section:72px;}
  .cat-hero-grid{grid-template-columns:1fr 220px;gap:28px;}
}
@media (max-width:991px){
  .cat-hero-grid{grid-template-columns:1fr;}
  .cat-badges{grid-template-columns:repeat(4,1fr);}
  .guide-grid{grid-template-columns:1fr;gap:32px;}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--pad-section:56px;}
  .nav-menu{
    position:fixed;top:72px;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:16px 20px 24px;
    border-bottom:1px solid var(--border);
    box-shadow:0 18px 32px rgba(59,42,77,.14);
  }
  .nav-menu.is-open{display:flex;}
  .nav-toggle{display:flex;}
  .nav-link{padding:12px 10px;font-size:16px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:var(--bg-alt);}
  .nav-actions .btn-sm{display:none;}
  .cat-hero{padding:32px 0 34px;}
  .cat-badges{grid-template-columns:repeat(2,1fr);}
  .meet-row{grid-template-columns:1fr;gap:16px;padding:22px 0;}
  .row-thumb{aspect-ratio:16/9;}
  .topic-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .cta-strip{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:519px){
  .section-head{margin-bottom:26px;}
  .row-body h3{font-size:17px;}
  .cat-tag{font-size:12px;padding:5px 12px;}
  .faq-item summary{font-size:15.5px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}