/* roulang page: index */
:root{
  --ink-900:#1E1420;
  --ink-700:#3D2B42;
  --ink-500:#6E5A72;
  --plum-600:#7A2E52;
  --rose-500:#D14C7A;
  --coral-400:#F2836B;
  --sand-50:#FDF8F5;
  --sand-100:#FBF1EA;
  --line:#E8D9D2;
  --white:#FFFFFF;
  --danger:#C0392B;
  --radius-lg:16px;
  --radius-sm:10px;
  --shadow:0 2px 8px rgba(30,20,32,.06);
  --shadow-hover:0 12px 28px rgba(122,46,82,.12);
  --container:1160px;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.7;color:var(--ink-900);background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--plum-600);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--rose-500);text-decoration:underline;text-underline-offset:4px;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--plum-600);outline-offset:2px;border-radius:6px;
}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}

/* ---------- top bar ---------- */
.topbar{
  background:var(--sand-100);
  border-bottom:1px solid var(--line);
  font-size:12px;color:var(--ink-500);letter-spacing:.02em;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:36px;gap:12px;}
.topbar strong{color:var(--plum-600);font-weight:600;}
.topbar .tb-right{display:flex;gap:16px;}
.topbar a{font-size:12px;color:var(--ink-500);}
.topbar a:hover{color:var(--plum-600);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.logo{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-main{font-size:20px;font-weight:700;color:var(--ink-900);letter-spacing:.01em;}
.logo-sub{font-size:11px;color:var(--ink-500);letter-spacing:.06em;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-700);padding:26px 0;font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;border-radius:2px;
  background:var(--plum-600);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--plum-600);text-decoration:none;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--plum-600);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--white);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:linear-gradient(90deg,#7A2E52,#B03A6A);color:#fff;}
.btn-primary:hover{color:#fff;box-shadow:0 10px 24px rgba(122,46,82,.28);transform:translateY(-1px);}
.btn-ghost{background:var(--white);border-color:var(--line);color:var(--plum-600);}
.btn-ghost:hover{border-color:var(--plum-600);color:var(--plum-600);background:var(--sand-50);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:active{transform:translateY(1px);}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--sand-50);
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(122,46,82,.05) 0 1px,transparent 1px 14px);
  opacity:.6;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,131,107,.18),transparent 70%);
  top:-140px;right:-120px;pointer-events:none;
}
.hero-inner{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;
  align-items:center;padding:64px 0 68px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(122,46,82,.08);color:var(--plum-600);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.hero h1{
  font-size:40px;line-height:1.25;font-weight:700;letter-spacing:0;margin-top:20px;color:var(--ink-900);
}
.hero h1 .h1-accent{display:block;font-size:22px;font-weight:600;color:var(--plum-600);margin-top:12px;letter-spacing:.01em;}
.hero-sub{margin-top:16px;font-size:17px;color:var(--ink-700);font-weight:600;}
.hero-desc{margin-top:10px;font-size:14px;color:var(--ink-500);max-width:460px;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero-note{margin-top:14px;font-size:12px;color:var(--ink-500);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow);}
.hero-badge{
  position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:8px;
  background:var(--white);border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  font-size:12px;color:var(--plum-600);font-weight:600;box-shadow:var(--shadow);
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:#2FA36B;box-shadow:0 0 0 3px rgba(47,163,107,.16);}

/* ---------- section base ---------- */
.section{padding:72px 0;}
.section--white{background:var(--white);}
.section--sand{background:var(--sand-50);}
.section--sand100{background:var(--sand-100);}
.section--dark{background:var(--ink-900);color:#fff;}
.section--dark .sec-title{color:#fff;}
.section--dark .sec-desc{color:rgba(255,255,255,.72);}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--plum-600);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--plum-600);}
.section--dark .eyebrow{color:var(--coral-400);}
.section--dark .eyebrow::before{background:var(--coral-400);}
.sec-title{font-size:28px;line-height:1.3;font-weight:700;margin-top:12px;color:var(--ink-900);}
.sec-desc{margin-top:12px;font-size:14px;color:var(--ink-500);}

/* ---------- grids ---------- */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-6{grid-template-columns:repeat(3,1fr);}

/* ---------- capability cards ---------- */
.cap-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow);position:relative;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cap-card::before{content:"";position:absolute;left:22px;top:0;width:34px;height:3px;border-radius:0 0 3px 3px;background:var(--plum-600);}
.cap-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DCC4BA;}
.cap-icon{
  width:42px;height:42px;border-radius:12px;background:var(--sand-100);color:var(--plum-600);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;margin:14px 0 14px;
}
.cap-card h3{font-size:17px;font-weight:700;color:var(--ink-900);}
.cap-card p{margin-top:8px;font-size:14px;color:var(--ink-500);}

/* ---------- scene grid ---------- */
.scene-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DCC4BA;}
.scene-card h3{font-size:16px;font-weight:700;color:var(--ink-900);display:flex;align-items:center;gap:8px;}
.scene-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--rose-500);flex:none;}
.scene-card p{margin-top:8px;font-size:14px;color:var(--ink-500);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.step{position:relative;padding-top:8px;}
.step-num{
  width:40px;height:40px;border-radius:50%;background:var(--white);border:1px solid var(--line);
  color:var(--plum-600);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;
  position:relative;z-index:2;box-shadow:var(--shadow);
}
.step::after{
  content:"";position:absolute;left:52px;right:-22px;top:28px;height:0;
  border-top:1px dashed #D9C2B8;z-index:1;
}
.step:last-child::after{display:none;}
.step h3{margin-top:16px;font-size:16px;font-weight:700;color:var(--ink-900);}
.step p{margin-top:8px;font-size:14px;color:var(--ink-500);}

/* ---------- voice strip ---------- */
.voice-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.voice-list{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.voice-list li{display:flex;gap:12px;font-size:14px;color:rgba(255,255,255,.82);}
.voice-list li::before{
  content:"";width:18px;height:18px;border-radius:50%;flex:none;margin-top:4px;
  background:rgba(242,131,107,.18);border:1px solid rgba(242,131,107,.5);
}
.voice-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:18px;border:1px solid rgba(255,255,255,.12);}

/* ---------- privacy grid ---------- */
.mini-card{
  background:var(--white);border:1px solid var(--line);border-radius:14px;padding:18px 18px;
  transition:border-color .2s ease,transform .2s ease;
}
.mini-card:hover{border-color:#DCC4BA;transform:translateY(-2px);}
.mini-card strong{display:block;font-size:15px;font-weight:700;color:var(--ink-900);}
.mini-card span{display:block;margin-top:6px;font-size:13px;color:var(--ink-500);}

/* ---------- split block ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow);}
.tick-list{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.tick-list li{display:flex;gap:12px;font-size:14px;color:var(--ink-700);}
.tick-list li::before{
  content:"";width:20px;height:20px;border-radius:6px;flex:none;margin-top:2px;
  background:rgba(122,46,82,.1);border:1px solid rgba(122,46,82,.22);
}

/* ---------- city tags ---------- */
.city-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.city-tag{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  background:var(--white);border:1px solid var(--line);font-size:14px;color:var(--ink-700);
  transition:all .2s ease;
}
.city-tag:hover{border-color:var(--plum-600);color:var(--plum-600);text-decoration:none;background:var(--sand-100);}

/* ---------- channel entries ---------- */
.channel-card{
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DCC4BA;text-decoration:none;}
.channel-card h3{font-size:16px;font-weight:700;color:var(--ink-900);}
.channel-card p{font-size:13px;color:var(--ink-500);margin-top:8px;}
.channel-more{font-size:13px;font-weight:600;color:var(--plum-600);display:inline-flex;align-items:center;gap:6px;}

/* ---------- topic cards ---------- */
.topic-card{
  display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DCC4BA;text-decoration:none;}
.topic-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--sand-100);}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.topic-card:hover .thumb img{transform:scale(1.03);}
.topic-body{padding:18px 20px 22px;}
.topic-body h3{
  font-size:16px;font-weight:700;color:var(--ink-900);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.topic-body p{
  margin-top:8px;font-size:13px;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(242,131,107,.18);color:var(--plum-600);font-size:12px;font-weight:600;
}

/* ---------- news list ---------- */
.news-list{border-top:1px solid var(--line);}
.news-row{
  display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:center;
  padding:20px 4px;border-bottom:1px solid var(--line);transition:background-color .2s ease;
}
.news-row:hover{background:var(--sand-50);text-decoration:none;}
.news-row .n-tag{font-size:12px;color:var(--plum-600);font-weight:600;}
.news-row .n-main strong{display:block;font-size:16px;font-weight:700;color:var(--ink-900);}
.news-row .n-main span{display:block;margin-top:6px;font-size:13px;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-row .n-meta{font-size:12px;color:var(--ink-500);display:flex;align-items:center;gap:14px;white-space:nowrap;}
.news-row .n-arrow{color:var(--plum-600);font-size:18px;line-height:1;}
.empty-state{
  text-align:center;padding:56px 20px;border:1px dashed var(--line);border-radius:var(--radius-lg);
  background:var(--white);color:var(--ink-500);font-size:14px;
}
.empty-state strong{display:block;font-size:16px;color:var(--ink-700);margin-bottom:6px;}

/* ---------- reviews ---------- */
.review-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.review-head{display:flex;align-items:center;gap:12px;}
.avatar{
  width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#7A2E52,#B03A6A);
  color:#fff;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;
}
.review-head b{font-size:15px;color:var(--ink-900);}
.review-head em{display:block;font-size:12px;color:var(--ink-500);font-style:normal;}
.stars{margin-left:auto;color:var(--coral-400);font-size:13px;letter-spacing:2px;}
.review-card p{margin-top:16px;font-size:14px;color:var(--ink-700);line-height:1.8;}

/* ---------- plans ---------- */
.plan-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.plan-card.featured{border-color:rgba(122,46,82,.4);box-shadow:0 10px 26px rgba(122,46,82,.1);}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.plan-head h3{font-size:18px;font-weight:700;color:var(--ink-900);}
.plan-head span{font-size:12px;color:var(--ink-500);}
.plan-list{margin-top:6px;}
.plan-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-700);padding:12px 0;border-bottom:1px solid var(--line);}
.plan-list li:last-child{border-bottom:0;}
.plan-list li::before{content:"·";color:var(--rose-500);font-weight:700;}

/* ---------- safety strip ---------- */
.safety{
  background:#FDF1EC;border:1px solid #F6D8CD;border-left:4px solid var(--coral-400);
  border-radius:14px;padding:24px 26px;
}
.safety h3{font-size:16px;font-weight:700;color:#8A3A2A;}
.safety ul{margin-top:14px;display:grid;gap:10px;}
.safety li{font-size:14px;color:#7A4436;display:flex;gap:10px;}
.safety li::before{content:"!";width:18px;height:18px;border-radius:50%;background:rgba(242,131,107,.3);color:#8A3A2A;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;margin-top:3px;}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{text-align:left;padding-left:18px;border-left:2px solid rgba(242,131,107,.4);}
.stat b{display:block;font-size:32px;font-weight:700;color:#fff;letter-spacing:.01em;}
.stat span{display:block;margin-top:6px;font-size:12px;color:rgba(255,255,255,.65);}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px;margin:0 auto;}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:48px;padding:16px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:15px;font-weight:600;color:var(--ink-900);
}
.faq-q .plus{font-size:20px;font-weight:400;color:var(--plum-600);transition:transform .2s ease;flex:none;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 22px 18px;font-size:14px;line-height:1.8;color:var(--ink-500);}
.faq-item.open .faq-a{max-height:240px;}

/* ---------- join ---------- */
.join{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.join h2{font-size:28px;line-height:1.3;font-weight:700;color:var(--ink-900);}
.join p.lead{margin-top:14px;font-size:14px;color:var(--ink-500);}
.join-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.join-points li{font-size:14px;color:var(--ink-700);display:flex;gap:10px;}
.join-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--plum-600);margin-top:9px;flex:none;}
.form-card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-700);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:10px;border:1px solid var(--line);
  background:var(--white);font-size:14px;color:var(--ink-900);transition:border-color .2s ease,box-shadow .2s ease;
  appearance:none;
}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--ink-500) 50%),linear-gradient(135deg,var(--ink-500) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input::placeholder{color:#A18F98;}
.field input:focus,.field select:focus{border-color:var(--plum-600);box-shadow:0 0 0 3px rgba(122,46,82,.12);outline:none;}
.field.invalid select,.field.invalid input{border-color:var(--danger);}
.field .hint{display:none;font-size:12px;color:var(--danger);margin-top:6px;}
.field.invalid .hint{display:block;}
.form-note{font-size:12px;color:var(--ink-500);margin-top:14px;text-align:center;}
.form-ok{display:none;margin-top:14px;font-size:13px;color:#2FA36B;text-align:center;}
.form-ok.show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px;}
.footer-brand .logo-main{color:#fff;font-size:19px;}
.footer-brand .logo-sub{color:rgba(255,255,255,.5);}
.footer-brand p{margin-top:16px;font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);max-width:300px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:13px;color:rgba(255,255,255,.62);}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a{font-size:12px;color:rgba(255,255,255,.55);}
.footer-links a:hover{color:#fff;}
.age-tip{font-size:12px;color:rgba(255,255,255,.55);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:100%;}
  .hero h1{font-size:34px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:48px 0 56px;}
  .hero-media{order:-1;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-6{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .voice-inner,.split,.join{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .container{padding:0 16px;}
  .nav-wrap{height:64px;}
  .grid-2,.grid-3,.grid-6,.grid-4{grid-template-columns:1fr;}
  .sec-title{font-size:22px;}
  .hero h1{font-size:28px;}
  .hero h1 .h1-accent{font-size:18px;}
  .join h2{font-size:22px;}
  .news-row{grid-template-columns:1fr;gap:8px;}
  .news-row .n-meta{white-space:normal;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .stat b{font-size:26px;}
  .topbar .tb-right{display:none;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .form-card{padding:20px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .city-tag{height:34px;padding:0 14px;font-size:13px;}
  .faq-q{font-size:14px;padding:14px 16px;}
  .faq-a p{padding:0 16px 16px;}
}
/* mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;display:none;
}
.mobile-drawer.open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(30,20,32,.45);}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:78%;max-width:320px;background:var(--white);
  display:flex;flex-direction:column;padding:20px;
}
.drawer-panel .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-panel .drawer-head b{font-size:16px;color:var(--ink-900);}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--white);font-size:16px;color:var(--ink-700);cursor:pointer;}
.drawer-panel a{display:flex;align-items:center;height:48px;font-size:15px;color:var(--ink-700);border-bottom:1px solid var(--line);}
.drawer-panel a.active{color:var(--plum-600);font-weight:600;}
.drawer-panel .drawer-cta{margin-top:auto;padding-top:20px;}

/* roulang page: article */
:root{
  --ink-900:#1E1420;
  --ink-700:#3D2B42;
  --ink-500:#6E5A72;
  --plum-600:#7A2E52;
  --rose-500:#D14C7A;
  --coral-400:#F2836B;
  --sand-50:#FDF8F5;
  --sand-100:#FBF1EA;
  --line:#E8D9D2;
  --white:#FFFFFF;
  --danger:#C0392B;
  --radius-lg:16px;
  --radius-sm:10px;
  --shadow:0 2px 8px rgba(30,20,32,.06);
  --shadow-hover:0 12px 28px rgba(122,46,82,.12);
  --container:1160px;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.7;color:var(--ink-900);background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--plum-600);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--rose-500);text-decoration:underline;text-underline-offset:4px;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;line-height:1.25;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--plum-600);outline-offset:2px;border-radius:6px;
}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
/* ---------- header ---------- */
.topbar{background:var(--sand-100);border-bottom:1px solid var(--line);font-size:12px;color:var(--ink-500);}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:36px;gap:12px;}
.topbar strong{color:var(--plum-600);font-weight:600;}
.topbar .tb-right{display:flex;gap:16px;}
.topbar a{font-size:12px;color:var(--ink-500);}
.topbar a:hover{color:var(--plum-600);}
.site-header{position:sticky;top:0;z-index:60;background:var(--white);border-bottom:1px solid var(--line);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.logo{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-main{font-size:20px;font-weight:700;color:var(--ink-900);letter-spacing:.01em;}
.logo-sub{font-size:11px;color:var(--ink-500);letter-spacing:.06em;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{position:relative;font-size:15px;color:var(--ink-700);padding:26px 0;font-weight:500;}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;border-radius:2px;
  background:var(--plum-600);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--plum-600);text-decoration:none;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--plum-600);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--white);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:linear-gradient(90deg,#7A2E52,#B03A6A);color:#fff;}
.btn-primary:hover{color:#fff;box-shadow:0 10px 24px rgba(122,46,82,.28);transform:translateY(-1px);}
.btn-ghost{background:var(--white);border-color:var(--line);color:var(--plum-600);}
.btn-ghost:hover{border-color:var(--plum-600);color:var(--plum-600);background:var(--sand-50);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn:active{transform:translateY(1px);}
/* ---------- compliance strip ---------- */
.compliance-strip{background:var(--sand-100);border-bottom:1px solid var(--line);}
.compliance-strip .container{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:34px;font-size:12px;color:var(--ink-500);padding-top:4px;padding-bottom:4px;flex-wrap:wrap;
}
.compliance-strip .cs-mark{color:var(--plum-600);font-weight:600;}
/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--white);border-bottom:1px solid var(--line);}
.crumb-list{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:16px 0;font-size:13px;color:var(--ink-500);}
.crumb-list li{display:flex;align-items:center;gap:8px;}
.crumb-list li+li::before{content:"›";color:var(--ink-500);font-size:13px;}
.crumb-list a{color:var(--ink-500);}
.crumb-list a:hover{color:var(--plum-600);}
.crumb-list .bc-cat{color:var(--ink-700);font-weight:600;}
.crumb-list .bc-current{color:var(--plum-600);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* ---------- article head ---------- */
.article-head{padding:44px 0 40px;background:var(--sand-50);position:relative;overflow:hidden;}
.article-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(135deg,rgba(122,46,82,.05) 0 1px,transparent 1px 14px);opacity:.45;
}
.article-head .container{position:relative;}
.head-tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(122,46,82,.08);color:var(--plum-600);font-size:12px;font-weight:600;letter-spacing:.03em;
}
.article-head h1{font-size:36px;line-height:1.3;margin-top:18px;color:var(--ink-900);max-width:880px;}
.head-summary{font-size:16px;color:var(--ink-700);margin-top:14px;max-width:780px;}
.meta-row{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:20px;font-size:13px;color:var(--ink-500);
}
.meta-row .meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.cover-wrap{margin-top:28px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover;}
/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:44px;align-items:start;}
/* ---------- article body ---------- */
.section{padding:72px 0;}
.section--white{background:var(--white);}
.section--sand{background:var(--sand-50);}
.section--sand100{background:var(--sand-100);}
.section--tight{padding:56px 0;}
.article-body{font-size:16px;line-height:1.9;color:var(--ink-700);max-width:760px;word-break:break-word;}
.article-body h2{
  font-size:22px;font-weight:700;color:var(--ink-900);line-height:1.4;
  margin:1.9em 0 .8em;padding-left:14px;border-left:4px solid var(--plum-600);
}
.article-body h3{font-size:18px;font-weight:700;color:var(--ink-900);margin:1.6em 0 .6em;}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.2em;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.4em 0;}
.article-body ul li::marker{color:var(--plum-600);}
.article-body ol li::marker{color:var(--plum-600);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--sand-100);
  border-left:4px solid var(--plum-600);border-radius:0 10px 10px 0;color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border:1px solid var(--line);border-radius:12px;margin:1.2em 0;height:auto;width:auto;max-width:100%;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:8px;}
.article-body a{color:var(--plum-600);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--rose-500);}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;margin:1.4em 0;font-size:15px;background:var(--white);
}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--sand-100);color:var(--ink-900);font-weight:600;}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.article-body strong{color:var(--ink-900);}
.article-empty{
  max-width:760px;padding:48px 28px;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-lg);text-align:center;box-shadow:var(--shadow);
}
.article-empty h2{font-size:20px;color:var(--ink-900);margin-bottom:10px;border:0;padding:0;}
.article-empty p{font-size:14px;color:var(--ink-500);margin-bottom:20px;}
/* ---------- toc ---------- */
.toc-card{
  position:sticky;top:96px;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow);
}
.toc-card h3{font-size:14px;color:var(--ink-900);letter-spacing:.04em;margin-bottom:12px;}
.toc-card ul{display:flex;flex-direction:column;gap:2px;}
.toc-card a{
  display:block;font-size:13px;color:var(--ink-500);padding:7px 10px;border-radius:8px;
  transition:background-color .18s ease,color .18s ease;
}
.toc-card a:hover{background:var(--sand-100);color:var(--plum-600);text-decoration:none;}
.toc-tip{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-500);line-height:1.7;}
/* ---------- tags / share ---------- */
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
.tag-row .tag-label{font-size:13px;color:var(--ink-500);margin-right:4px;}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--white);font-size:13px;color:var(--plum-600);
  transition:border-color .18s ease,background-color .18s ease,color .18s ease;
}
.tag-pill:hover{border-color:var(--plum-600);background:var(--sand-100);text-decoration:none;color:var(--plum-600);}
.share-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px;}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--white);font-size:13px;color:var(--ink-700);cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.share-btn:hover{border-color:var(--plum-600);color:var(--plum-600);background:var(--sand-50);}
.share-btn.is-on{border-color:var(--plum-600);color:var(--plum-600);background:rgba(122,46,82,.06);}
/* ---------- section title ---------- */
.sec-head{max-width:700px;margin-bottom:32px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(122,46,82,.08);color:var(--plum-600);font-size:12px;font-weight:600;letter-spacing:.05em;
}
.sec-title{font-size:28px;margin-top:14px;color:var(--ink-900);}
.sec-desc{font-size:14px;color:var(--ink-500);margin-top:10px;}
/* ---------- related cards ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(122,46,82,.35);text-decoration:none;}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--sand-100);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:18px 20px 20px;}
.rel-tag{display:inline-block;font-size:11px;font-weight:600;color:var(--plum-600);background:rgba(242,131,107,.18);border-radius:999px;padding:3px 10px;}
.rel-title{font-size:16px;color:var(--ink-900);margin-top:10px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-desc{font-size:13px;color:var(--ink-500);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-meta{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:12px;color:var(--ink-500);}
.rel-meta .arrow{color:var(--plum-600);font-weight:700;}
/* ---------- article nav ---------- */
.article-nav{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px 24px;box-shadow:var(--shadow);
}
.article-nav .an-text{font-size:14px;color:var(--ink-500);}
.article-nav .an-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* ---------- safety ---------- */
.safety-box{
  background:var(--white);border:1px solid var(--line);border-left:5px solid var(--coral-400);
  border-radius:var(--radius-sm);padding:24px 26px;box-shadow:var(--shadow);
}
.safety-box h3{font-size:18px;color:var(--ink-900);margin-bottom:14px;}
.safety-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.safety-list li{
  display:flex;gap:10px;font-size:14px;color:var(--ink-700);background:var(--sand-50);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;line-height:1.7;
}
.safety-list li .num{
  flex:0 0 22px;height:22px;border-radius:50%;background:rgba(242,131,107,.24);color:var(--plum-600);
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
}
/* ---------- cta ---------- */
.cta-band{background:var(--ink-900);color:#fff;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(209,76,122,.28),transparent 70%);right:-130px;top:-150px;pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;}
.cta-inner h2{font-size:28px;color:#fff;}
.cta-inner p{font-size:14px;color:rgba(255,255,255,.72);margin-top:12px;max-width:520px;}
.cta-actions{display:flex;gap:14px;justify-content:flex-end;flex-wrap:wrap;}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.32);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}
/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);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:36px;}
.footer-brand .logo-main{color:#fff;font-size:20px;display:block;}
.footer-brand .logo-sub{color:rgba(255,255,255,.55);font-size:11px;letter-spacing:.06em;display:block;margin-top:4px;}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.6);margin-top:14px;line-height:1.8;max-width:320px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:13px;color:rgba(255,255,255,.62);}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;}
.footer-links a{font-size:12px;color:rgba(255,255,255,.55);}
.footer-links a:hover{color:#fff;text-decoration:none;}
.age-tip{color:rgba(255,255,255,.5);}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:100%;}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .toc-card{position:static;}
}
@media (max-width:991px){
  .nav-links{
    position:absolute;top:72px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:6px 24px 14px;display:none;
    box-shadow:0 12px 24px rgba(30,20,32,.08);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;}
  .nav-links a:last-child{border-bottom:0;}
  .nav-links a::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .safety-list{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{grid-template-columns:1fr;gap:22px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .article-head{padding:32px 0 28px;}
  .article-head h1{font-size:26px;}
  .head-summary{font-size:15px;}
  .article-body{font-size:15.5px;line-height:1.9;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .sec-title{font-size:22px;}
  .related-grid{grid-template-columns:1fr;}
  .safety-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .crumb-list .bc-current{max-width:100%;white-space:normal;}
  .nav-cta{display:none;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .article-nav{flex-direction:column;align-items:flex-start;}
  .share-row{gap:8px;}
}

/* roulang page: category1 */
:root{
  --ink-900:#1E1420;
  --ink-700:#3D2B42;
  --ink-500:#6E5A72;
  --plum-600:#7A2E52;
  --rose-500:#D14C7A;
  --coral-400:#F2836B;
  --sand-50:#FDF8F5;
  --sand-100:#FBF1EA;
  --line:#E8D9D2;
  --white:#FFFFFF;
  --danger:#C0392B;
  --radius-lg:16px;
  --radius-sm:10px;
  --shadow:0 2px 8px rgba(30,20,32,.06);
  --shadow-hover:0 12px 28px rgba(122,46,82,.12);
  --container:1160px;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.7;color:var(--ink-900);background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--plum-600);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--rose-500);text-decoration:underline;text-underline-offset:4px;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--plum-600);outline-offset:2px;border-radius:6px;
}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.logo{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;}
.logo:hover{text-decoration:none;color:var(--plum-600);}
.logo-main{font-size:20px;font-weight:700;color:var(--ink-900);letter-spacing:.01em;}
.logo-sub{font-size:11px;color:var(--ink-500);letter-spacing:.06em;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-700);padding:26px 0;font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;border-radius:2px;
  background:var(--plum-600);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--plum-600);text-decoration:none;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--plum-600);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--white);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:linear-gradient(90deg,#7A2E52,#B03A6A);color:#fff;}
.btn-primary:hover{color:#fff;box-shadow:0 10px 24px rgba(122,46,82,.28);transform:translateY(-1px);}
.btn-ghost{background:var(--white);border-color:var(--line);color:var(--plum-600);}
.btn-ghost:hover{border-color:var(--plum-600);color:var(--plum-600);background:var(--sand-50);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:active{transform:translateY(1px);}
/* ---------- section base ---------- */
.section{padding:72px 0;}
.section--white{background:var(--white);}
.section--sand{background:var(--sand-50);}
.section--sand100{background:var(--sand-100);}
.sec-head{max-width:720px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(122,46,82,.08);color:var(--plum-600);font-size:12px;font-weight:600;letter-spacing:.04em;
  margin-bottom:14px;
}
.sec-head h2{font-size:28px;line-height:1.3;font-weight:700;color:var(--ink-900);margin:0 0 10px;}
.sec-head p{font-size:14px;color:var(--ink-500);margin:0;line-height:1.8;}
/* ---------- category head ---------- */
.cat-head{
  position:relative;overflow:hidden;background:var(--sand-100);
  border-bottom:1px solid var(--line);padding:44px 0;
}
.cat-head::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(122,46,82,.05) 0 1px,transparent 1px 16px);
  opacity:.7;pointer-events:none;
}
.cat-head-inner{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;}
.cat-head h1{font-size:34px;line-height:1.3;font-weight:700;color:var(--ink-900);margin:0 0 12px;}
.cat-head p{font-size:14px;color:var(--ink-700);margin:0;line-height:1.8;max-width:560px;}
.cat-stat{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow);
}
.cat-stat .stat-item{text-align:center;padding:4px 0;}
.cat-stat strong{display:block;font-size:18px;font-weight:700;color:var(--plum-600);letter-spacing:.02em;}
.cat-stat span{display:block;font-size:12px;color:var(--ink-500);margin-top:4px;}
/* ---------- filter chips ---------- */
.filter-bar{background:var(--white);border-bottom:1px solid var(--line);padding:0;}
.filter-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.filter-inner::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  font-size:13px;color:var(--ink-700);border:1px solid var(--line);background:var(--white);
  white-space:nowrap;text-decoration:none;transition:all .2s ease;
}
.chip:hover{color:var(--plum-600);border-color:var(--plum-600);text-decoration:none;}
.chip.is-active{background:var(--plum-600);border-color:var(--plum-600);color:#fff;font-weight:600;}
.chip.is-active:hover{color:#fff;background:var(--rose-500);border-color:var(--rose-500);}
/* ---------- content cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.content-card{
  display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;color:var(--ink-900);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.content-card:hover{
  transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#d9c0b8;
  color:var(--ink-900);text-decoration:none;
}
.content-thumb{
  position:relative;aspect-ratio:16/10;background:#d9c4bc;
  background-size:cover;background-position:center;
}
.content-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,20,32,.05),rgba(30,20,32,.32));
}
.content-thumb .thumb-tag{
  position:absolute;left:12px;top:12px;z-index:2;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(253,248,245,.94);color:var(--plum-600);font-size:11px;font-weight:600;
}
.content-card:nth-child(6n+1) .content-thumb{background-image:url('/assets/images/7ce7e7f1ff2eac59.webp');}
.content-card:nth-child(6n+2) .content-thumb{background-image:url('/assets/images/e766411a3816f44e.webp');}
.content-card:nth-child(6n+3) .content-thumb{background-image:url('/assets/images/8dda547ef4a59027.webp');}
.content-card:nth-child(6n+4) .content-thumb{background-image:url('/assets/images/fc31d8d3c815e030.webp');}
.content-card:nth-child(6n+5) .content-thumb{background-image:url('/assets/images/bf1e056fa9dd693e.webp');}
.content-card:nth-child(6n+6) .content-thumb{background-image:url('/assets/images/a61398185915e18c.webp');}
.content-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.mini-badge{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;
  background:#fbe8e4;color:var(--plum-600);font-size:11px;font-weight:600;width:fit-content;
}
.content-body h3{font-size:17px;line-height:1.45;font-weight:700;color:var(--ink-900);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.content-body p{font-size:13px;color:var(--ink-500);margin:0;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.content-meta{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-500);
}
/* ---------- empty state ---------- */
.empty-state{
  background:var(--white);border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:48px 24px;text-align:center;color:var(--ink-500);font-size:14px;
}
/* ---------- view more ---------- */
.view-more{display:flex;justify-content:center;margin-top:36px;}
/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.scene-card{
  display:flex;flex-direction:column;gap:8px;padding:22px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  color:var(--ink-900);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#d9c0b8;text-decoration:none;color:var(--ink-900);}
.scene-icon{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:#fbe8e4;color:var(--plum-600);font-size:14px;font-weight:700;
}
.scene-card h3{font-size:15px;font-weight:700;margin:0;color:var(--ink-900);}
.scene-card p{font-size:13px;color:var(--ink-500);margin:0;line-height:1.65;}
/* ---------- tips list ---------- */
.tips-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:0;}
.tips-list li{
  display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:flex-start;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.tips-list li:last-child{border-bottom:0;}
.tips-num{
  font-size:22px;font-weight:700;color:var(--rose-500);letter-spacing:.02em;line-height:1.2;
}
.tips-list h3{font-size:16px;font-weight:700;margin:0 0 4px;color:var(--ink-900);}
.tips-list p{font-size:14px;color:var(--ink-500);margin:0;line-height:1.75;}
/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#d9c0b8;box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:0 22px;height:56px;display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:600;color:var(--ink-900);gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:500;color:var(--plum-600);transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;font-size:14px;color:var(--ink-700);line-height:1.85;}
/* ---------- related reading ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.rel-card{
  display:flex;flex-direction:column;gap:6px;padding:20px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  color:var(--ink-900);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#d9c0b8;text-decoration:none;color:var(--ink-900);}
.rel-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;
  background:#fbe8e4;color:var(--plum-600);font-size:11px;font-weight:600;width:fit-content;
}
.rel-card h3{font-size:15px;line-height:1.5;font-weight:700;margin:0;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-time{font-size:12px;color:var(--ink-500);margin-top:auto;padding-top:8px;}
/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:#fff;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo-main{color:#fff;font-size:20px;display:block;font-weight:700;}
.footer-brand .logo-sub{color:rgba(255,255,255,.6);font-size:11px;letter-spacing:.06em;display:block;margin-top:3px;}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.66);margin:14px 0 0;line-height:1.8;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 14px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:13px;color:rgba(255,255,255,.66);line-height:1.6;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:22px;font-size:12px;color:rgba(255,255,255,.55);
}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;}
.footer-links a{font-size:12px;color:rgba(255,255,255,.66);}
.footer-links a:hover{color:#fff;text-decoration:none;}
.age-tip{font-size:12px;color:var(--coral-400);}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links{gap:18px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .cat-head{padding:32px 0;}
  .cat-head-inner{grid-template-columns:1fr;gap:24px;}
  .cat-head h1{font-size:26px;}
  .cat-stat{padding:16px;}
  .nav-links{
    position:fixed;top:72px;right:0;left:0;flex-direction:column;align-items:flex-start;
    background:var(--white);border-bottom:1px solid var(--line);padding:8px 16px 16px;
    gap:0;display:none;box-shadow:var(--shadow);
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:14px 0;width:100%;font-size:15px;border-bottom:1px solid var(--sand-100);}
  .nav-links a:last-child{border-bottom:0;}
  .nav-links a::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .sec-head h2{font-size:22px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .scene-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .tips-list li{grid-template-columns:48px 1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
  .cat-head h1{font-size:22px;}
  .cat-stat{grid-template-columns:1fr;gap:8px;}
  .cat-stat .stat-item{display:flex;align-items:baseline;gap:8px;text-align:left;justify-content:flex-start;border-bottom:1px dashed var(--line);padding:8px 0;}
  .cat-stat .stat-item:last-child{border-bottom:0;}
  .cat-stat strong{font-size:16px;}
  .cat-stat span{margin-top:0;}
  .btn{width:100%;}
  .content-body{padding:16px;}
}