/* roulang page: index */
:root{
  --coral:#E2574C;
  --coral-d:#B93A31;
  --plum:#35233F;
  --plum-2:#4A3357;
  --gold:#F0B44B;
  --bg:#FCF7F3;
  --white:#FFFFFF;
  --band:#F6ECE6;
  --ink:#241C28;
  --muted:#6E6274;
  --line:#E7DAD2;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:10px;
  --shadow:0 8px 24px rgba(53,35,63,.08);
  --shadow-h:0 12px 32px rgba(53,35,63,.14);
  --px:72px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--plum);}
p{margin:0 0 14px;color:var(--ink);}
p:last-child{margin-bottom:0;}
a{color:var(--plum);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--coral);}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--px) 0;}
.section--band{background:var(--band);}
.section--white{background:var(--white);}
.section--plum{background:var(--plum);color:#F3EBF6;}
.section--plum h2,.section--plum h3{color:#fff;}
.sec-head{max-width:720px;margin-bottom:34px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--coral-d);background:var(--band);padding:4px 12px;border-radius:999px;margin-bottom:14px;font-weight:600;}
.section--plum .sec-kicker{background:rgba(240,180,75,.16);color:var(--gold);}
.sec-head h2{font-size:28px;margin-bottom:12px;}
.sec-head p{color:var(--muted);font-size:15px;margin:0;}
.section--plum .sec-head p{color:#CDBBD6;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  background:var(--coral);color:#fff;border:1px solid var(--coral);
  transition:transform .16s ease,background .16s ease,box-shadow .16s ease,color .16s ease,border-color .16s ease;
  box-shadow:0 6px 18px rgba(226,87,76,.24);
}
.btn:hover{background:var(--coral-d);border-color:var(--coral-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(185,58,49,.28);}
.btn:active{transform:translateY(0);background:#9E2E27;border-color:#9E2E27;}
.btn--ghost{background:transparent;color:var(--plum);border:1px solid var(--line);box-shadow:none;border-radius:var(--r-sm);}
.btn--ghost:hover{background:var(--white);color:var(--coral-d);border-color:var(--coral);box-shadow:var(--shadow);}
.btn--gold{background:var(--gold);border-color:var(--gold);color:var(--plum);box-shadow:0 6px 18px rgba(240,180,75,.3);}
.btn--gold:hover{background:#E2A234;border-color:#E2A234;color:var(--plum);}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn--block{width:100%;}

/* ============ 顶栏 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(252,247,243,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(53,35,63,.09);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--plum);line-height:1.2;}
.logo:hover{color:var(--plum);}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:linear-gradient(150deg,var(--coral),var(--coral-d));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;letter-spacing:0;
  box-shadow:0 6px 14px rgba(226,87,76,.3);
}
.logo-text{display:flex;flex-direction:column;gap:2px;}
.logo-text b{font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:600;}
.logo-text span{font-size:15px;color:var(--plum);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  display:inline-block;padding:9px 14px;border-radius:999px;font-size:15px;color:var(--plum);font-weight:500;
  transition:background .16s ease,color .16s ease;
}
.main-nav a:hover{background:var(--band);color:var(--coral-d);}
.main-nav a.is-active{background:var(--plum);color:#fff;}
.main-nav a.is-active:hover{background:var(--plum-2);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;background:var(--white);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--plum);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:64px 0 76px;background:linear-gradient(180deg,#FCF7F3 0%,#F7EDE6 100%);}
.hero::before{
  content:"";position:absolute;right:-160px;top:-180px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,87,76,.12),rgba(226,87,76,0) 70%);
}
.hero::after{
  content:"";position:absolute;left:-140px;bottom:-200px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,180,75,.14),rgba(240,180,75,0) 70%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--coral-d);background:#fff;border:1px solid var(--line);padding:6px 14px;border-radius:999px;margin-bottom:20px;}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--coral);display:inline-block;}
.hero h1{font-size:40px;letter-spacing:-.5px;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--coral-d);box-shadow:inset 0 -10px 0 rgba(240,180,75,.35);}
.hero-sub{font-size:16px;color:var(--muted);margin-bottom:28px;max-width:430px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.trust-badges{display:flex;flex-wrap:wrap;gap:10px;}
.trust-badges span{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--plum);background:rgba(255,255,255,.9);border:1px solid var(--line);padding:6px 13px;border-radius:999px;}
.trust-badges span::before{content:"✓";color:var(--coral);font-weight:700;font-size:12px;}
.hero-visual{position:relative;}
.hero-visual .hero-img{
  width:100%;height:430px;object-fit:cover;border-radius:20px;border:1px solid var(--line);
  box-shadow:0 18px 44px rgba(53,35,63,.16);
}
.float-card{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 16px;
  box-shadow:var(--shadow);display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);
}
.float-card b{display:block;font-size:16px;color:var(--plum);line-height:1.2;}
.float-card .dot{width:9px;height:9px;border-radius:50%;background:var(--coral);flex:0 0 9px;box-shadow:0 0 0 4px rgba(226,87,76,.15);}
.float-card--a{left:-18px;top:34px;}
.float-card--b{right:-14px;bottom:38px;}
.float-card--b .dot{background:var(--gold);box-shadow:0 0 0 4px rgba(240,180,75,.2);}

/* ============ 数据条 ============ */
.stats{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:38px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{text-align:center;padding:6px 10px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat b{display:block;font-size:34px;color:var(--coral-d);letter-spacing:-.5px;font-weight:700;line-height:1.15;}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px;}

/* ============ 城市胶囊 ============ */
.city-tags{display:flex;flex-wrap:wrap;gap:12px;}
.city-tag{
  display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:999px;background:var(--white);
  border:1px solid var(--line);font-size:15px;color:var(--plum);font-weight:500;box-shadow:0 2px 8px rgba(53,35,63,.04);
  transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease,color .16s ease;
}
.city-tag:hover{transform:translateY(-2px);border-color:var(--coral);color:var(--coral-d);box-shadow:var(--shadow);}
.city-tag small{font-size:11px;font-weight:600;color:var(--coral-d);background:var(--band);border-radius:999px;padding:1px 8px;}
.city-tag.tag-hot{border-color:rgba(240,180,75,.7);}
.city-tag.tag-hot small{background:rgba(240,180,75,.22);color:#8A5A0A;}

/* ============ 双卡 ============ */
.duo-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.duo-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;}
.duo-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);}
.duo-card img{width:100%;height:214px;object-fit:cover;}
.duo-body{padding:26px 26px 28px;}
.duo-body h3{font-size:20px;margin-bottom:10px;}
.duo-body p{font-size:15px;color:var(--muted);margin-bottom:18px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--coral-d);}
.text-link::after{content:"→";transition:transform .18s ease;}
.text-link:hover::after{transform:translateX(4px);}
.text-link:hover{color:var(--coral);}

/* ============ 兴趣小卡 ============ */
.hobby-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.hobby-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:22px 20px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.hobby-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(226,87,76,.4);}
.hobby-ico{
  width:42px;height:42px;border-radius:12px;background:var(--band);color:var(--coral-d);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;margin-bottom:14px;
}
.hobby-card h3{font-size:16px;margin-bottom:6px;}
.hobby-card p{font-size:14px;color:var(--muted);margin:0;}

/* ============ 三步流程 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative;}
.step{position:relative;padding:0 28px 0 0;}
.step:last-child{padding-right:0;}
.step::after{content:"";position:absolute;right:16px;top:26px;width:calc(100% - 76px);height:1px;background:var(--line);}
.step:last-child::after{display:none;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;
  background:var(--plum);color:var(--gold);font-size:16px;font-weight:700;margin-bottom:18px;letter-spacing:.04em;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);margin:0;}

/* ============ 功能矩阵 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.feature-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;display:flex;flex-direction:column;justify-content:space-between;min-height:150px;transition:transform .18s ease,box-shadow .18s ease;}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);}
.feature-card:nth-child(2){background:#FFF6F4;}
.feature-card:nth-child(5){background:#FFF9EE;}
.feature-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.feature-ico{width:34px;height:34px;border-radius:10px;background:var(--plum);color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex:0 0 34px;}
.feature-card h3{font-size:16.5px;}
.feature-card span{font-size:13px;color:var(--muted);}

/* ============ 资讯列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;display:flex;}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);}
.post-card-link{display:flex;flex-direction:column;padding:24px;width:100%;color:inherit;}
.post-card-link:hover{color:inherit;}
.post-cat{align-self:flex-start;font-size:12px;font-weight:600;color:var(--coral-d);background:var(--band);padding:3px 11px;border-radius:999px;margin-bottom:14px;}
.post-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.post-time{font-size:12.5px;color:#9A8CA3;margin-top:auto;}
.list-empty{background:var(--white);border:1px dashed var(--line);border-radius:var(--r-md);padding:44px 24px;text-align:center;color:var(--muted);font-size:15px;}
.list-more{margin-top:30px;text-align:center;}

/* ============ 安全通栏 ============ */
.safety-band{background:var(--plum);color:#F0E7F5;padding:56px 0;}
.safety-inner{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center;}
.safety-band h2{color:#fff;font-size:26px;margin-bottom:18px;}
.safety-list li{position:relative;padding-left:28px;margin-bottom:12px;font-size:15px;color:#DCCFE3;}
.safety-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--gold);font-weight:700;}
.safety-cta{text-align:right;}

/* ============ 故事卡 ============ */
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.story-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;}
.story-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);}
.story-card img{width:100%;height:168px;object-fit:cover;}
.story-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.story-body h3{font-size:17px;margin-bottom:8px;}
.story-meta{font-size:12.5px;color:#9A8CA3;margin-bottom:10px;}
.story-body p{font-size:14px;color:var(--muted);margin-bottom:16px;}
.story-author{display:flex;align-items:center;gap:9px;margin-top:auto;font-size:13px;color:var(--plum);}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--band);color:var(--coral-d);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex:0 0 30px;}

/* ============ 会员 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;}
.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.plan--featured{border:2px solid var(--coral);box-shadow:0 16px 36px rgba(226,87,76,.16);background:#FFF9F7;}
.plan-badge{position:absolute;top:-13px;left:26px;background:var(--gold);color:var(--plum);font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;}
.plan h3{font-size:18px;margin-bottom:6px;}
.plan .plan-desc{font-size:13px;color:var(--muted);margin-bottom:16px;}
.plan-price{font-size:32px;font-weight:700;color:var(--plum);line-height:1.1;margin-bottom:4px;}
.plan-price small{font-size:14px;font-weight:500;color:var(--muted);margin-left:4px;}
.plan-cycle{font-size:12.5px;color:#9A8CA3;margin-bottom:20px;}
.plan ul{margin-bottom:24px;flex:1;}
.plan ul li{position:relative;padding-left:22px;font-size:14px;color:var(--ink);margin-bottom:10px;}
.plan ul li::before{content:"·";position:absolute;left:6px;top:-2px;color:var(--coral);font-size:22px;font-weight:700;}

/* ============ 话题胶囊 ============ */
.topic-cloud{display:flex;flex-wrap:wrap;gap:12px;}
.topic{display:inline-block;padding:9px 18px;border-radius:999px;background:var(--white);border:1px solid var(--line);font-size:14px;color:var(--plum);transition:background .16s ease,color .16s ease,border-color .16s ease;}
.topic:hover{background:var(--coral);color:#fff;border-color:var(--coral);}
.topic:nth-child(3n){border-color:rgba(240,180,75,.7);}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.faq[open]{border-color:rgba(226,87,76,.45);box-shadow:var(--shadow);}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--plum);}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--coral-d);}
.faq .arrow{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--band);color:var(--coral-d);display:flex;align-items:center;justify-content:center;font-size:11px;transition:transform .2s ease,background .2s ease;}
.faq[open] .arrow{transform:rotate(180deg);background:var(--coral);color:#fff;}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);background:#FFFDFB;border-top:1px solid var(--line);padding-top:16px;}

/* ============ 下载转化 ============ */
.download-wrap{display:grid;grid-template-columns:1.4fr .9fr;gap:48px;align-items:center;}
.download-wrap h2{font-size:30px;margin-bottom:14px;}
.download-wrap p{color:var(--muted);font-size:15.5px;max-width:520px;margin-bottom:26px;}
.download-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px;}
.fineprint{font-size:12.5px;color:#9A8CA3;margin:0;}
.qr-box{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;text-align:center;box-shadow:var(--shadow);
}
.qr-slot{
  width:150px;height:150px;margin:0 auto 16px;border-radius:var(--r-md);border:1px dashed var(--line);
  background:repeating-linear-gradient(45deg,#FBF4EF 0 8px,#F6ECE6 8px 16px);
  display:flex;align-items:center;justify-content:center;font-size:12.5px;color:var(--muted);
}
.qr-box b{display:block;font-size:15px;color:var(--plum);margin-bottom:4px;}
.qr-box span{font-size:13px;color:var(--muted);}

/* ============ 频道入口 ============ */
.channel-card{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 32px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);}
.channel-card h3{font-size:20px;margin-bottom:8px;}
.channel-card p{font-size:14.5px;color:var(--muted);margin:0;max-width:640px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--plum);color:#CBBBD4;padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{width:36px;height:36px;flex-basis:36px;box-shadow:none;}
.footer-brand strong{color:#fff;font-size:15.5px;font-weight:700;}
.site-footer p{color:#B7A5C2;font-size:13.5px;line-height:1.9;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#C3B2CE;font-size:13.5px;}
.footer-links a:hover{color:var(--gold);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:12.5px;color:#A491B0;}
.footer-bottom a{color:#A491B0;}
.footer-bottom a:hover{color:var(--gold);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--px:60px;}
  .hero-inner{gap:40px;}
  .hero h1{font-size:34px;}
  .hero-visual .hero-img{height:390px;}
}
@media (max-width:1023px){
  :root{--px:52px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn--nav{display:none;}
  .main-nav.is-open{
    display:flex;position:absolute;left:0;right:0;top:72px;background:var(--white);
    flex-direction:column;align-items:stretch;gap:4px;padding:16px 24px 24px;
    border-bottom:1px solid var(--line);box-shadow:0 18px 32px rgba(53,35,63,.12);
  }
  .main-nav.is-open a{padding:13px 16px;border-radius:var(--r-sm);font-size:16px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:2;}
  .hero-visual .hero-img{height:340px;}
  .float-card{display:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .stat:nth-child(2){border-right:0;}
  .stat{padding:14px 8px;border-right:0;}
  .duo-grid{grid-template-columns:1fr;}
  .hobby-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .story-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto;}
  .safety-inner{grid-template-columns:1fr;gap:26px;}
  .safety-cta{text-align:left;}
  .steps{grid-template-columns:1fr;gap:30px;}
  .step{padding-right:0;}
  .step::after{display:none;}
  .download-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--px:44px;}
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .nav-wrap{height:64px;}
  .main-nav.is-open{top:64px;}
  .hero{padding:44px 0 52px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-visual .hero-img{height:250px;border-radius:16px;}
  .sec-head h2{font-size:22px;}
  .download-wrap h2{font-size:24px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat b{font-size:26px;}
  .hobby-grid,.feature-grid,.post-grid{grid-template-columns:1fr;}
  .city-tag{padding:9px 16px;font-size:14px;}
  .plan{padding:26px 22px;}
  .faq summary{font-size:15px;padding:16px 18px;}
  .channel-card{padding:24px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .hero-actions .btn{flex:1 1 auto;}
}
@media (max-width:519px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .btn{padding:12px 22px;font-size:14.5px;}
  .stat b{font-size:23px;}
  .duo-body{padding:22px 20px 24px;}
}

/* roulang page: article */
:root{
  --coral:#E2574C;
  --coral-d:#B93A31;
  --plum:#35233F;
  --plum-2:#4A3357;
  --gold:#F0B44B;
  --bg:#FCF7F3;
  --white:#FFFFFF;
  --band:#F6ECE6;
  --ink:#241C28;
  --muted:#6E6274;
  --line:#E7DAD2;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:10px;
  --shadow:0 8px 24px rgba(53,35,63,.08);
  --shadow-h:0 12px 32px rgba(53,35,63,.14);
  --px:72px;
  --container:1200px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--plum);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--coral);}
img{max-width:100%;display:block;border:0;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--plum);}
p{margin:0 0 14px;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--px) 0;}
.section--band{background:var(--band);}
.section--white{background:var(--white);}
.section--plum{background:var(--plum);color:#F3EBF6;}
.section--plum h2,.section--plum h3{color:#fff;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  background:var(--coral);color:#fff;border:1px solid var(--coral);
  transition:transform .16s ease,background .16s ease,box-shadow .16s ease,color .16s ease,border-color .16s ease;
  box-shadow:0 6px 18px rgba(226,87,76,.24);
}
.btn:hover{background:var(--coral-d);border-color:var(--coral-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(185,58,49,.28);}
.btn:active{transform:translateY(0);background:#9E2E27;border-color:#9E2E27;}
.btn--ghost{background:transparent;color:var(--plum);border:1px solid var(--line);box-shadow:none;border-radius:var(--r-sm);}
.btn--ghost:hover{background:var(--white);color:var(--coral-d);border-color:var(--coral);box-shadow:var(--shadow);}
.btn--gold{background:var(--gold);border-color:var(--gold);color:var(--plum);box-shadow:0 6px 18px rgba(240,180,75,.3);}
.btn--gold:hover{background:#E2A234;border-color:#E2A234;color:var(--plum);}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn--block{width:100%;}
a:focus-visible,button:focus-visible,.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
/* ============ 顶栏 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(252,247,243,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(53,35,63,.09);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--plum);line-height:1.2;}
.logo:hover{color:var(--plum);}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:linear-gradient(150deg,var(--coral),var(--coral-d));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  box-shadow:0 6px 14px rgba(226,87,76,.3);
}
.logo-text{display:flex;flex-direction:column;gap:2px;}
.logo-text b{font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:600;}
.logo-text span{font-size:15px;color:var(--plum);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{display:inline-block;padding:9px 14px;border-radius:999px;font-size:15px;color:var(--plum);font-weight:500;transition:background .16s ease,color .16s ease;}
.main-nav a:hover{background:var(--band);color:var(--coral-d);}
.main-nav a.is-active{background:var(--plum);color:#fff;}
.main-nav a.is-active:hover{background:var(--plum-2);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;background:var(--white);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--plum);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* ============ 面包屑条 ============ */
.crumb-bar{background:var(--white);border-bottom:1px solid var(--line);padding:14px 0;}
.crumb-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:0;}
.breadcrumb span{color:#C3B3BE;}
.breadcrumb b{color:var(--plum);font-weight:600;}
.crumb-tags{display:flex;gap:8px;flex-wrap:wrap;}
.chip{display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:var(--coral-d);background:var(--band);border:1px solid var(--line);border-radius:999px;padding:4px 12px;}
.chip--gold{color:#8A5E10;background:#FDF3DE;border-color:#F0D8A6;}
/* ============ 文章头 ============ */
.article-head{background:linear-gradient(180deg,#FCF7F3 0%,#F8EFE9 100%);padding:40px 0 38px;border-bottom:1px solid var(--line);}
.head-inner{max-width:860px;}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--coral-d);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:16px;}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral);}
.article-head h1{font-size:36px;letter-spacing:-.4px;margin-bottom:16px;}
.head-summary{font-size:16px;color:var(--muted);max-width:760px;margin-bottom:20px;}
.meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 10px;font-size:13px;color:var(--muted);}
.meta i{font-style:normal;color:#C3B3BE;}
.meta b{color:var(--plum);font-weight:600;}
/* ============ 正文布局 ============ */
.article-section{padding:var(--px) 0;background:var(--bg);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.article-body{
  max-width:760px;font-size:17px;line-height:1.9;color:var(--ink);
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:44px 48px;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{font-size:26px;margin:38px 0 16px;padding-left:14px;position:relative;scroll-margin-top:96px;}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--coral),var(--gold));}
.article-body h3{font-size:20px;margin:28px 0 12px;color:var(--plum);scroll-margin-top:96px;}
.article-body h4{font-size:17px;margin:22px 0 10px;color:var(--plum-2);}
.article-body p{margin:0 0 16px;}
.article-body a{color:var(--coral-d);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--coral);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:4px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:9px;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--coral);}
.article-body ol{counter-reset:olc;}
.article-body ol li{counter-increment:olc;}
.article-body ol li::before{content:counter(olc);position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:6px;background:var(--band);color:var(--coral-d);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.article-body blockquote{
  margin:22px 0;padding:18px 22px;background:var(--band);border-left:3px solid var(--coral);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--plum-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:20px 0;border:1px solid var(--line);box-shadow:var(--shadow);}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--band);color:var(--plum);font-weight:600;}
.article-body strong{color:var(--plum);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0;}
.article-body .tip-block,.article-body .notice{
  background:#FDF3DE;border:1px solid #F0D8A6;border-radius:var(--r-md);padding:16px 20px;margin:22px 0;font-size:15px;color:#6A4A11;
}
/* 侧栏 */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.toc-card,.side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:22px 24px;}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--coral-d);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.toc-title::before{content:"";width:14px;height:2px;background:var(--gold);border-radius:2px;}
.toc-list{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.toc-list a{display:block;color:var(--muted);line-height:1.55;padding-left:12px;border-left:2px solid var(--line);transition:color .16s ease,border-color .16s ease;}
.toc-list a:hover{color:var(--coral-d);border-color:var(--coral);}
.side-card h3{font-size:16px;margin-bottom:10px;}
.side-card p{font-size:14px;color:var(--muted);margin-bottom:14px;line-height:1.75;}
.side-card .btn{width:100%;}
.side-list{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--muted);}
.side-list li{display:flex;gap:8px;line-height:1.6;}
.side-list li::before{content:"·";color:var(--coral);font-weight:700;}
/* ============ 安全提示条 ============ */
.safety-band{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid rgba(255,255,255,.12);}
.safety-band .band-bg{position:absolute;inset:0;background:url('/assets/images/1f348c86425492ee.webp') center/cover no-repeat;}
.safety-band .band-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(53,35,63,.94) 0%,rgba(53,35,63,.82) 55%,rgba(53,35,63,.6) 100%);}
.safety-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;padding:34px 38px;color:#F1E7F5;}
.safety-inner h2{color:#fff;font-size:22px;margin-bottom:14px;}
.safety-list{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14px;color:#DCCDE4;}
.safety-list li{display:flex;align-items:center;gap:8px;}
.safety-list li::before{content:"✓";color:var(--gold);font-weight:700;}
/* ============ 频道入口 ============ */
.channel-card{
  display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease;
}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);}
.channel-card .thumb{height:100%;min-height:180px;overflow:hidden;}
.channel-card .thumb img{width:100%;height:100%;object-fit:cover;}
.channel-body{padding:26px 30px 26px 0;}
.channel-body h2{font-size:22px;margin-bottom:10px;}
.channel-body p{font-size:15px;color:var(--muted);margin-bottom:16px;}
/* ============ 继续阅读 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.sec-head h2{font-size:28px;}
.sec-head p{font-size:14px;color:var(--muted);margin:6px 0 0;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;height:100%;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:#DCC8BC;color:inherit;}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--band);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card .tag{font-size:12px;font-weight:600;color:var(--coral-d);background:var(--band);border-radius:999px;padding:3px 12px;align-self:flex-start;}
.post-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .time{font-size:12px;color:#9C8FA3;margin-top:auto;}
/* ============ 翻页与返回 ============ */
.pager-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:36px;padding-top:26px;border-top:1px solid var(--line);}
.text-links{display:flex;gap:22px;font-size:14px;font-weight:600;flex-wrap:wrap;}
.text-links a{display:inline-flex;align-items:center;gap:6px;color:var(--plum);}
.text-links a:hover{color:var(--coral-d);text-decoration:underline;text-underline-offset:4px;}
/* ============ 底部转化 ============ */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:2px;}
.cta-band .band-bg{position:absolute;inset:0;background:url('/assets/images/ab42d7b3920d48ca.webp') center/cover no-repeat;}
.cta-band .band-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(53,35,63,.95),rgba(74,51,87,.72));}
.cta-inner{position:relative;z-index:2;padding:46px 44px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;color:#F2E8F6;}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-inner p{font-size:15px;color:#DCCDE4;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-note{position:relative;z-index:2;padding:0 44px 26px;font-size:12px;color:#C7B4D0;}
/* ============ 空态 ============ */
.empty-state{text-align:center;padding:36px 10px;}
.empty-state h2{font-size:22px;margin-bottom:12px;}
.empty-state p{color:var(--muted);margin-bottom:22px;}
/* ============ 页脚 ============ */
.site-footer{background:var(--plum);color:#D8C9DF;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:16px;line-height:1.4;}
.site-footer p{font-size:14px;line-height:1.8;color:#BCAAC6;margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-links a{color:#C7B4D0;}
.footer-links a:hover{color:var(--gold);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#A491AF;}
.footer-bottom a{color:var(--gold);}
/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--px:60px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:32px;}
  .article-body{padding:38px 34px;}
}
@media (max-width:1023px){
  :root{--px:52px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;bottom:0;background:var(--bg);
    flex-direction:column;align-items:stretch;gap:8px;padding:22px 20px 40px;
    border-top:1px solid var(--line);overflow-y:auto;z-index:70;
    transform:translateY(-10px);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto;}
  .main-nav a{width:100%;padding:14px 18px;font-size:16px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);}
  .article-layout{grid-template-columns:1fr;}
  .article-side{position:static;order:2;}
  .toc-list{flex-direction:row;overflow-x:auto;gap:14px;padding-bottom:6px;scrollbar-width:thin;}
  .toc-list a{white-space:nowrap;border-left:0;border-bottom:2px solid var(--line);padding:0 0 6px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .safety-inner{grid-template-columns:1fr;gap:20px;}
  .cta-inner{grid-template-columns:1fr;gap:20px;}
  .channel-card{grid-template-columns:180px minmax(0,1fr);}
  .channel-body{padding:24px 24px 24px 0;}
}
@media (max-width:767px){
  :root{--px:44px;}
  .container{padding:0 18px;}
  .article-head{padding:30px 0;}
  .article-head h1{font-size:27px;}
  .head-summary{font-size:15px;}
  .article-body{padding:26px 20px;font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;margin-top:30px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .channel-card{grid-template-columns:1fr;}
  .channel-card .thumb{min-height:170px;}
  .channel-body{padding:20px 22px 24px;}
  .safety-inner,.cta-inner{padding:28px 22px;}
  .cta-note{padding:0 22px 22px;}
  .sec-head h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .pager-bar{flex-direction:column;align-items:flex-start;}
  .btn{padding:12px 22px;}
  .btn--sm{padding:9px 16px;font-size:13px;}
  .nav-actions .btn--nav{padding:9px 16px;font-size:13px;}
}
@media (max-width:520px){
  .article-head h1{font-size:24px;}
  .logo-text span{font-size:13px;}
  .logo-text b{font-size:11px;}
  .meta{font-size:12px;}
  .crumb-inner{gap:10px;}
}

/* roulang page: category1 */
:root{
  --coral:#E2574C;
  --coral-d:#B93A31;
  --plum:#35233F;
  --plum-2:#4A3357;
  --gold:#F0B44B;
  --bg:#FCF7F3;
  --white:#FFFFFF;
  --band:#F6ECE6;
  --ink:#241C28;
  --muted:#6E6274;
  --line:#E7DAD2;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:10px;
  --shadow:0 8px 24px rgba(53,35,63,.08);
  --shadow-h:0 12px 32px rgba(53,35,63,.14);
  --px:72px;
  --container:1200px;
}
@media (max-width:1279px){:root{--px:60px;}}
@media (max-width:1023px){:root{--px:52px;}}
@media (max-width:767px){:root{--px:44px;}}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--plum);letter-spacing:-.2px;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
a{color:var(--plum);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--coral);}
img{max-width:100%;display:block;border:0;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--px) 0;}
.section--white{background:var(--white);}
.section--band{background:var(--band);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  background:var(--coral);color:#fff;border:1px solid var(--coral);
  transition:transform .16s ease,background .16s ease,box-shadow .16s ease,color .16s ease,border-color .16s ease;
  box-shadow:0 6px 18px rgba(226,87,76,.24);
}
.btn:hover{background:var(--coral-d);border-color:var(--coral-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(185,58,49,.28);}
.btn:active{transform:translateY(0);background:#9E2E27;border-color:#9E2E27;}
.btn--ghost{background:transparent;color:var(--plum);border:1px solid var(--line);box-shadow:none;border-radius:var(--r-sm);}
.btn--ghost:hover{background:var(--white);color:var(--coral-d);border-color:var(--coral);box-shadow:var(--shadow);}
.btn--gold{background:var(--gold);border-color:var(--gold);color:var(--plum);box-shadow:0 6px 18px rgba(240,180,75,.3);}
.btn--gold:hover{background:#E2A234;border-color:#E2A234;color:var(--plum);}
.btn--sm{padding:10px 20px;font-size:14px;}

/* ============ 顶栏 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(252,247,243,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(53,35,63,.09);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--plum);line-height:1.2;}
.logo:hover{color:var(--plum);}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:linear-gradient(150deg,var(--coral),var(--coral-d));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  box-shadow:0 6px 14px rgba(226,87,76,.3);
}
.logo-text{display:flex;flex-direction:column;gap:2px;}
.logo-text span{font-size:15px;color:var(--plum);}
.logo-text b{font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:600;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  display:inline-block;padding:9px 14px;border-radius:999px;font-size:15px;color:var(--plum);font-weight:500;
  transition:background .16s ease,color .16s ease;
}
.main-nav a:hover{background:var(--band);color:var(--coral-d);}
.main-nav a.is-active{background:var(--plum);color:#fff;}
.main-nav a.is-active:hover{background:var(--plum-2);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;background:var(--white);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--plum);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 分类标题带 ============ */
.cat-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,#F9F1EC 100%);border-bottom:1px solid var(--line);padding:36px 0 42px;}
.cat-hero::before{content:"";position:absolute;right:-120px;top:-160px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(226,87,76,.10),rgba(226,87,76,0) 70%);}
.cat-hero::after{content:"";position:absolute;left:-100px;bottom:-170px;width:330px;height:330px;border-radius:50%;background:radial-gradient(circle,rgba(240,180,75,.14),rgba(240,180,75,0) 70%);}
.cat-hero .container{position:relative;z-index:2;}
.cat-top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px;}
.cat-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--coral-d);background:var(--band);padding:6px 14px;border-radius:999px;}
.cat-kicker i{width:6px;height:6px;border-radius:50%;background:var(--coral);display:inline-block;font-style:normal;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--coral);}
.breadcrumb span.sep{color:#C8B7BF;}
.breadcrumb strong{color:var(--plum);font-weight:600;}
.cat-hero h1{font-size:34px;margin-bottom:12px;}
.cat-desc{max-width:820px;font-size:15.5px;color:var(--muted);margin:0;}
.cat-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.cat-facts span{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--plum);background:rgba(255,255,255,.92);border:1px solid var(--line);padding:6px 14px;border-radius:999px;}
.cat-facts span::before{content:"✓";color:var(--coral);font-weight:700;font-size:12px;}

/* ============ 板块标题 ============ */
.sec-head{margin-bottom:32px;}
.sec-head h2{font-size:28px;margin-bottom:10px;}
.sec-head p{color:var(--muted);font-size:15px;max-width:720px;margin:0;}

/* ============ 场景三卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--shadow);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.scene-card:hover{box-shadow:var(--shadow-h);transform:translateY(-2px);border-color:#DCC8BC;}
.scene-num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:var(--band);color:var(--coral-d);font-weight:700;font-size:15px;margin-bottom:16px;}
.scene-card h3{font-size:19px;margin-bottom:10px;}
.scene-card p{font-size:14.5px;color:var(--muted);margin:0;}

/* ============ 筛选条 ============ */
.filter-bar{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;margin-bottom:36px;}
.filter-row{display:flex;align-items:flex-start;gap:14px;flex-wrap:wrap;}
.filter-label{font-size:13px;font-weight:700;color:var(--plum);flex:0 0 46px;line-height:32px;}
.filter-group{display:flex;gap:8px;flex-wrap:wrap;}
.chip{padding:6px 16px;border-radius:999px;border:1px solid var(--line);background:var(--white);font-size:13px;color:var(--muted);transition:all .16s ease;}
.chip:hover{border-color:var(--coral);color:var(--coral-d);}
.chip.is-on{background:var(--plum);border-color:var(--plum);color:#fff;}
.filter-foot{display:flex;justify-content:flex-end;border-top:1px dashed var(--line);padding-top:12px;}
.filter-reset{font-size:13px;color:var(--muted);text-decoration:underline;text-underline-offset:4px;}
.filter-reset:hover{color:var(--coral);}

/* ============ 列表主体 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.topic-card{
  display:grid;grid-template-columns:190px minmax(0,1fr);gap:20px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--shadow);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.topic-card:hover{box-shadow:var(--shadow-h);transform:translateY(-2px);border-color:#DCC8BC;}
.topic-thumb{aspect-ratio:16/10;border-radius:var(--r-md);overflow:hidden;background:var(--band);align-self:start;}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.topic-card:hover .topic-thumb img{transform:scale(1.05);}
.topic-body{min-width:0;}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px;}
.tag{display:inline-block;font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;background:var(--band);color:var(--coral-d);font-weight:600;white-space:nowrap;}
.tag--gold{background:transparent;border:1px solid var(--gold);color:#8A6114;}
.topic-card h3{font-size:17px;line-height:1.45;margin-bottom:8px;}
.topic-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.topic-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:#8C8095;}
.topic-meta i{width:3px;height:3px;border-radius:50%;background:#C8B7BF;display:inline-block;font-style:normal;}

/* ============ 精选专题双卡 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.feature-card{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);min-height:270px;display:flex;align-items:flex-end;background:var(--plum);}
.feature-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.feature-card:hover img{transform:scale(1.04);}
.feature-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(53,35,63,.10) 0%,rgba(53,35,63,.86) 100%);}
.feature-body{position:relative;z-index:2;padding:26px 28px;color:#fff;}
.feature-body .tag{background:rgba(240,180,75,.18);color:var(--gold);margin-bottom:12px;}
.feature-body h3{color:#fff;font-size:21px;margin-bottom:8px;}
.feature-body p{color:#E0D2E7;font-size:14px;margin:0;}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:880px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:var(--white);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.is-open{border-color:var(--coral);box-shadow:var(--shadow);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 22px;text-align:left;font-size:15.5px;font-weight:600;color:var(--plum);}
.faq-q .caret{width:24px;height:24px;flex:0 0 24px;border-radius:50%;background:var(--band);display:flex;align-items:center;justify-content:center;color:var(--coral-d);font-size:11px;transition:transform .2s ease,background .2s ease,color .2s ease;}
.faq-item.is-open .caret{transform:rotate(180deg);background:var(--coral);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{margin:0;padding:0 22px 18px;color:var(--muted);font-size:14.5px;line-height:1.8;}
.faq-item.is-open .faq-a{max-height:360px;}

/* ============ 编辑推荐语 ============ */
.editor-note{max-width:900px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--r-md);padding:26px 30px;box-shadow:var(--shadow);}
.editor-note p{font-size:15px;color:var(--ink);margin:0 0 12px;}
.editor-note .sign{font-size:13px;color:var(--muted);text-align:right;margin:0;}

/* ============ 底部转化条 ============ */
.cta-band{background:var(--plum);border-radius:var(--r-lg);padding:42px 44px;color:#F3EBF6;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-band p{color:#CDBBD6;font-size:14.5px;margin:0;}
.cta-band .cta-note{margin-top:14px;font-size:12.5px;color:#A995B4;}

/* ============ 页脚 ============ */
.site-footer{background:var(--plum);color:#D9CCE0;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.04em;}
.site-footer p{font-size:14px;line-height:1.9;color:#C3B2CD;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-size:15px;font-weight:700;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#C3B2CD;font-size:14px;}
.footer-links a:hover{color:var(--gold);}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#A995B4;}
.footer-bottom a{color:#A995B4;}
.footer-bottom a:hover{color:var(--gold);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .topic-grid{gap:20px;}
  .topic-card{grid-template-columns:160px minmax(0,1fr);gap:16px;}
  .footer-grid{gap:32px;}
}
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;bottom:0;z-index:70;
    background:var(--white);flex-direction:column;align-items:stretch;
    padding:20px 24px 40px;gap:6px;overflow-y:auto;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .26s ease,opacity .26s ease;
    border-top:1px solid var(--line);
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .main-nav a{padding:16px 14px;font-size:17px;border-radius:12px;border-bottom:1px solid #F3E9E3;}
  .main-nav a.is-active{background:var(--band);color:var(--coral-d);}
  .nav-actions .btn--nav{display:none;}
  .cat-hero h1{font-size:29px;}
  .scene-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .topic-card{grid-template-columns:220px minmax(0,1fr);}
  .feature-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:34px 30px;}
}
@media (max-width:767px){
  .cat-hero{padding:26px 0 32px;}
  .cat-hero h1{font-size:25px;}
  .cat-desc{font-size:14.5px;}
  .sec-head h2{font-size:22px;}
  .topic-card{grid-template-columns:1fr;padding:14px;}
  .topic-thumb{aspect-ratio:16/10;}
  .filter-bar{padding:18px 16px;}
  .filter-label{flex:0 0 100%;line-height:1.4;}
  .cta-band h2{font-size:21px;}
  .btn{width:100%;}
  .cta-band .btn{width:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .editor-note{padding:22px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .logo-text span{font-size:13px;}
  .logo-text b{font-size:11px;letter-spacing:.1em;}
  .cat-facts span{font-size:12px;padding:5px 11px;}
  .topic-card h3{font-size:16px;}
  .cta-band{padding:28px 22px;}
  .cta-band .btn{width:100%;}
}