/* roulang page: index */
:root{
  --brand:#F2456B;
  --brand-deep:#C92F55;
  --amber:#FFB24D;
  --mint:#3DCBB0;
  --night:#191024;
  --night-2:#241634;
  --bg:#FBF7F4;
  --card:#FFFFFF;
  --ink:#1B1522;
  --ink-2:#5A5266;
  --ink-3:#8C8496;
  --line:#EDE4DD;
  --cream:#F6EFE9;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(25,16,36,.06);
  --shadow-hover:0 14px 30px rgba(25,16,36,.12);
  --shadow-float:0 20px 48px rgba(25,16,36,.14);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
h1,h2,h3,h4{line-height:1.35;font-weight:700;color:var(--ink)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,69,107,.28);border-radius:8px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-sm{padding:60px 0}
.bg-soft{background:var(--bg)}
.bg-cream{background:var(--cream)}
.bg-night{background:var(--night);color:#F4EEF7}
.bg-night-2{background:var(--night-2);color:#F4EEF7}
.bg-night h2,.bg-night h3,.bg-night-2 h2,.bg-night-2 h3{color:#FFFFFF}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(251,247,244,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.3px}
.logo-dot{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#FF7A97);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:800;flex:0 0 auto}
.logo em{font-style:normal;color:var(--brand)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  position:relative;padding:8px 14px;font-size:15px;color:var(--ink-2);border-radius:var(--radius-sm);
  transition:color .2s,background .2s;
}
.nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav a:hover{color:var(--ink);background:rgba(242,69,107,.06)}
.nav a.active{color:var(--ink);font-weight:600}
.nav a.active::after,.nav a:hover::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(242,69,107,.24)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 28px rgba(201,47,85,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.24)}
.btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{
  display:none;position:fixed;inset:68px 0 0 0;background:rgba(25,16,36,.55);z-index:80;
}
.drawer.open{display:block}
.drawer-panel{
  background:var(--bg);padding:22px;display:flex;flex-direction:column;gap:6px;
  animation:drawerIn .3s ease both;
}
.drawer-panel a{padding:14px 12px;border-radius:12px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-panel a:hover{background:rgba(242,69,107,.08)}
.drawer-panel .btn{margin-top:14px;border-bottom:none}
@keyframes drawerIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}

/* 首屏 */
.hero{position:relative;overflow:hidden;background:var(--night);color:#fff}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/b778711d35525720.webp');background-size:cover;background-position:center;opacity:.4}
.hero-shade{position:absolute;inset:0;background:radial-gradient(circle at 18% 20%,rgba(242,69,107,.32),transparent 55%),radial-gradient(circle at 82% 78%,rgba(255,178,77,.18),transparent 55%),linear-gradient(180deg,rgba(25,16,36,.72),rgba(25,16,36,.95))}
.hero-inner{position:relative;z-index:2;padding:96px 0 92px;max-width:900px;margin:0 auto;text-align:center}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:13px;letter-spacing:.4px;color:#FFD9E1;margin-bottom:24px;
}
.hero-kicker i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block}
.hero h1{font-size:clamp(30px,4.2vw,46px);letter-spacing:-.5px;line-height:1.25;color:#fff;font-weight:800}
.hero h1 em{font-style:normal;color:#FF8AA3}
.hero-sub{max-width:660px;margin:22px auto 0;font-size:16px;line-height:1.9;color:rgba(255,255,255,.78)}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.hero-badges{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:40px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  font-size:13.5px;color:rgba(255,255,255,.86);
}
.hero-badge b{color:var(--amber);font-weight:700}

/* 数据条 */
.stats-bar{border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:34px 18px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat strong{display:block;font-size:34px;font-weight:800;color:var(--brand);letter-spacing:-1px;line-height:1.2}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--ink-2)}

/* 板块标题 */
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);position:relative;padding-top:20px}
.sec-head h2::before{content:"";position:absolute;top:0;left:0;width:40px;height:4px;border-radius:2px;background:var(--brand)}
.sec-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.bg-night .sec-head p,.bg-night-2 .sec-head p{color:rgba(255,255,255,.7)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center h2::before{left:50%;transform:translateX(-50%)}

/* 功能错落栅格 */
.feat-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:auto auto;gap:22px}
.feat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;gap:12px;
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feat-card.big{grid-row:span 2;background:linear-gradient(160deg,#FFF6F8,#FFFFFF 60%);justify-content:space-between}
.feat-card .tag{display:inline-block;align-self:flex-start;padding:4px 12px;border-radius:999px;background:rgba(242,69,107,.1);color:var(--brand);font-size:12px;font-weight:600}
.feat-card .tag.mint{background:rgba(61,203,176,.14);color:#1F9C86}
.feat-card .tag.amber{background:rgba(255,178,77,.18);color:#B57312}
.feat-card h3{font-size:18px}
.feat-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.feat-media{border-radius:14px;overflow:hidden;aspect-ratio:16/10;margin-top:auto}
.feat-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.feat-card:hover .feat-media img{transform:scale(1.03)}
.feat-list{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--ink-2)}
.feat-list li{display:flex;gap:8px;align-items:flex-start}
.feat-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);margin-top:9px;flex:0 0 auto}

/* 三步流程 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;
  position:relative;transition:transform .3s ease,box-shadow .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-num{font-size:32px;font-weight:800;color:var(--amber);letter-spacing:-1px;line-height:1}
.step h3{margin-top:10px;font-size:18px}
.step p{margin-top:8px;font-size:14.5px;color:var(--ink-2)}
.step:not(:last-child)::after{
  content:"";position:absolute;right:-22px;top:50%;width:22px;border-top:2px dashed #E4D8CE;
}

/* 深夜频道横滑 */
.channel-track{display:flex;gap:18px;overflow-x:auto;padding:4px 4px 14px;scroll-snap-type:x mandatory;scrollbar-width:none}
.channel-track::-webkit-scrollbar{display:none}
.channel-card{
  flex:0 0 300px;scroll-snap-align:start;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .3s ease,border-color .3s ease;
}
.channel-card:hover{transform:translateY(-4px);border-color:rgba(242,69,107,.6)}
.channel-cover{aspect-ratio:16/9;overflow:hidden;position:relative}
.channel-cover img{width:100%;height:100%;object-fit:cover;opacity:.86}
.channel-live{position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:rgba(25,16,36,.72);font-size:12px;color:#fff}
.channel-live i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block}
.channel-body{padding:18px 20px 22px}
.channel-body h3{font-size:17px;color:#fff}
.channel-body p{margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.7}
.wave{display:flex;align-items:flex-end;gap:3px;height:16px;margin-top:14px}
.wave span{width:3px;border-radius:2px;background:var(--brand);opacity:.8;animation:waveMove 1.6s ease-in-out infinite}
.wave span:nth-child(1){height:6px;animation-delay:0s}
.wave span:nth-child(2){height:12px;animation-delay:.12s}
.wave span:nth-child(3){height:9px;animation-delay:.24s}
.wave span:nth-child(4){height:15px;animation-delay:.36s}
.wave span:nth-child(5){height:8px;animation-delay:.48s}
.wave span:nth-child(6){height:13px;animation-delay:.6s}
.wave span:nth-child(7){height:6px;animation-delay:.72s}
@keyframes waveMove{0%,100%{transform:scaleY(.6)}50%{transform:scaleY(1)}}

/* 免费与会员 */
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}
.plan-card.highlight{border-color:rgba(242,69,107,.34);background:linear-gradient(180deg,#FFF7F9,#FFFFFF 42%)}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px dashed var(--line)}
.plan-head h3{font-size:19px}
.plan-price{font-size:13px;color:var(--ink-3)}
.plan-list{margin-top:20px;display:flex;flex-direction:column;gap:13px}
.plan-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.plan-list li .ic{width:20px;height:20px;border-radius:50%;background:rgba(61,203,176,.16);color:#1F9C86;font-size:12px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:3px}
.plan-card.highlight .plan-list li .ic{background:rgba(242,69,107,.12);color:var(--brand)}

/* 标签墙 */
.tag-wall{display:flex;flex-wrap:wrap;gap:12px}
.tag-chip{
  padding:10px 20px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);transition:all .22s ease;
}
.tag-chip:hover{border-color:var(--brand);color:var(--brand);background:rgba(242,69,107,.06);transform:translateY(-2px)}
.tag-chip.on{background:var(--brand);border-color:var(--brand);color:#fff}

/* 城市网格 */
.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.city-cell{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:16px 20px;border-radius:14px;background:#fff;border:1px solid var(--line);
  transition:border-color .22s ease,transform .22s ease;
}
.city-cell:hover{border-color:var(--brand);transform:translateY(-3px)}
.city-cell b{font-size:15.5px;font-weight:600}
.city-cell span{font-size:12.5px;color:var(--ink-3)}

/* 安全中心 */
.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.safety-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;transition:transform .3s ease,box-shadow .3s ease}
.safety-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.safety-icon{width:44px;height:44px;border-radius:13px;background:rgba(242,69,107,.1);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px}
.safety-item h3{margin-top:16px;font-size:17px}
.safety-item p{margin-top:8px;font-size:14.5px;color:var(--ink-2)}
.guard-bar{margin-top:34px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding-top:26px;border-top:1px dashed var(--line)}
.guard-step{font-size:13.5px;color:var(--ink-2)}
.guard-step b{display:block;color:var(--ink);font-size:15px;margin-bottom:4px}
.guard-line{height:6px;border-radius:999px;background:#EFE7E0;margin-top:10px;overflow:hidden}
.guard-line i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--amber))}

/* 用户故事 */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.story{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
}
.story:nth-child(2){transform:translateY(26px)}
.story:hover{box-shadow:var(--shadow-hover)}
.story:nth-child(2):hover{transform:translateY(22px)}
.story-top{display:flex;align-items:center;gap:14px}
.avatar{width:48px;height:48px;border-radius:50%;overflow:hidden;background:var(--cream);flex:0 0 auto}
.avatar img{width:100%;height:100%;object-fit:cover}
.story-name{font-weight:600;font-size:15.5px}
.story-meta{font-size:12.5px;color:var(--ink-3)}
.stars{margin-left:auto;color:var(--amber);font-size:13px;letter-spacing:2px}
.story p{margin-top:16px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.post-thumb{aspect-ratio:16/10;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-tag{align-self:flex-start;padding:4px 11px;border-radius:999px;background:rgba(242,69,107,.1);color:var(--brand);font-size:12px;font-weight:600}
.post-card h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .excerpt{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-3)}
.empty-state{padding:46px 20px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius-lg);color:var(--ink-3);font-size:14.5px;background:#fff}
.list-more{display:flex;justify-content:center;margin-top:38px}

/* 新人指南 */
.guide-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guide-item{position:relative;padding:26px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);transition:transform .3s ease,box-shadow .3s ease}
.guide-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.guide-idx{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px}
.guide-item h3{margin-top:10px;font-size:16.5px}
.guide-item p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.75}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease}
.faq-item.open{border-color:rgba(242,69,107,.42);box-shadow:inset 3px 0 0 var(--brand)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink)}
.faq-q .arrow{width:22px;height:22px;flex:0 0 auto;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-2);font-size:13px;transition:transform .25s ease,background .25s ease,color .25s ease}
.faq-item.open .arrow{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);color:#fff}
.faq-a{display:none;padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-item.open .faq-a{display:block}

/* 下载条 */
.download-band{position:relative;overflow:hidden}
.download-band .band-bg{position:absolute;inset:0;background-image:url('/assets/images/e5697d05d5771d97.webp');background-size:cover;background-position:center;opacity:.22}
.download-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .8fr;gap:40px;align-items:center}
.download-inner h2{font-size:clamp(22px,2.8vw,30px);color:#fff}
.download-inner p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15px}
.dl-points{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:13px;color:rgba(255,255,255,.66)}
.dl-points span{display:inline-flex;align-items:center;gap:6px}
.dl-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint)}
.qr-box{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:22px;text-align:center}
.qr-slot{width:132px;height:132px;margin:0 auto;border-radius:14px;background:repeating-linear-gradient(45deg,#fff,#fff 6px,#EEE7F2 6px,#EEE7F2 12px);display:flex;align-items:center;justify-content:center;font-size:12px;color:#5A5266}
.qr-box p{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.66)}
.dl-btns{display:flex;gap:10px;justify-content:center;margin-top:14px;flex-wrap:wrap}

/* 夜间守护 */
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
.tl-item{padding:26px 24px;border-right:1px solid var(--line)}
.tl-item:last-child{border-right:none}
.tl-time{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.6px}
.tl-item h3{margin-top:10px;font-size:16.5px}
.tl-item p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.75}

/* 转化表单 */
.join-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.join-inner h2{color:#fff;font-size:clamp(22px,2.8vw,30px)}
.join-inner p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15px;line-height:1.85}
.join-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-float)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:8px}
.field input{
  width:100%;padding:14px 16px;border-radius:var(--radius-md);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.4)}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,69,107,.28);outline:none}
.form-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}

/* 页脚 */
.site-footer{background:var(--night);color:rgba(255,255,255,.7);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:46px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo em{color:#FF8AA3}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:6px 0;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.45)}
.footer-bottom .compliance{color:rgba(255,255,255,.45)}

/* 响应式 */
@media (max-width:1200px){
  .feat-grid{grid-template-columns:1.4fr 1fr}
  .feat-card.big{grid-row:span 2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .guide-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .nav{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .section{padding:68px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .feat-grid{grid-template-columns:1fr 1fr}
  .feat-card.big{grid-column:span 2;grid-row:auto}
  .steps{grid-template-columns:1fr}
  .step:not(:last-child)::after{content:"";right:auto;left:50%;top:auto;bottom:-22px;width:0;height:22px;border-top:none;border-left:2px dashed #E4D8CE;transform:translateX(-50%)}
  .plan-grid{grid-template-columns:1fr}
  .safety-grid{grid-template-columns:1fr}
  .city-grid{grid-template-columns:repeat(2,1fr)}
  .story-grid{grid-template-columns:1fr}
  .story:nth-child(2){transform:none}
  .story:nth-child(2):hover{transform:translateY(-4px)}
  .download-inner{grid-template-columns:1fr}
  .qr-box{max-width:320px}
  .timeline{grid-template-columns:1fr}
  .tl-item{border-right:none;border-bottom:1px solid var(--line)}
  .tl-item:last-child{border-bottom:none}
  .join-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .hero-inner{padding:72px 0 64px}
  .hero-actions .btn{width:100%}
  .hero-badges{gap:8px}
  .hero-badge{font-size:12.5px;padding:8px 14px}
  .news-grid{grid-template-columns:1fr}
  .guide-list{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr}
  .feat-card.big{grid-column:auto}
  .sec-head{margin-bottom:32px}
  .channel-card{flex:0 0 82%}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .stats-grid{grid-template-columns:1fr}
  .stat{border-right:none!important;border-bottom:1px solid var(--line);padding:26px 12px}
  .stat:last-child{border-bottom:none}
  .stat strong{font-size:28px}
  .city-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .faq-q{font-size:15px;padding:17px 18px}
  .faq-a{padding:0 18px 18px}
  .dl-btns .btn{width:auto}
}

/* roulang page: article */
:root{
  --brand:#F2456B;
  --brand-deep:#C92F55;
  --amber:#FFB24D;
  --mint:#3DCBB0;
  --night:#191024;
  --night-2:#241634;
  --bg:#FBF7F4;
  --card:#FFFFFF;
  --ink:#1B1522;
  --ink-2:#5A5266;
  --ink-3:#8C8496;
  --line:#EDE4DD;
  --cream:#F6EFE9;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(25,16,36,.06);
  --shadow-hover:0 14px 30px rgba(25,16,36,.12);
  --shadow-float:0 20px 48px rgba(25,16,36,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
::selection{background:rgba(242,69,107,.18)}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,69,107,.28);border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.section{padding:84px 0}
.section-sm{padding:60px 0}
.section-cream{background:var(--cream)}
.section-dark{background:var(--night);color:#fff}
.section-head{max-width:720px;margin-bottom:38px}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.3px;
  padding-top:16px;
  position:relative;
}
.section-head h2::before{
  content:"";position:absolute;top:0;left:0;width:40px;height:4px;border-radius:2px;background:var(--brand);
}
.section-head p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.85}
.section-dark .section-head p{color:rgba(255,255,255,.7)}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(251,247,244,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.3px}
.logo-dot{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),#FF7A97);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;font-weight:800;flex:0 0 auto;
}
.logo em{font-style:normal;color:var(--brand)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  position:relative;padding:8px 14px;font-size:15px;color:var(--ink-2);border-radius:var(--radius-sm);
  transition:color .2s,background .2s;
}
.nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav a:hover{color:var(--ink);background:rgba(242,69,107,.06)}
.nav a.active{color:var(--ink);font-weight:600}
.nav a.active::after,.nav a:hover::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(242,69,107,.24)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 28px rgba(201,47,85,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.24)}
.btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{display:none;position:fixed;inset:68px 0 0 0;background:rgba(25,16,36,.55);z-index:80}
.drawer.open{display:block}
.drawer-panel{background:var(--bg);padding:22px;display:flex;flex-direction:column;gap:6px;animation:drawerIn .3s ease both}
.drawer-panel a{padding:14px 12px;border-radius:12px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-panel a:hover{background:rgba(242,69,107,.08)}
.drawer-panel .btn{margin-top:14px;border-bottom:none}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* 文章页 */
.article-hero{
  background:linear-gradient(180deg,var(--cream) 0%,#FBF7F4 100%);
  border-bottom:1px solid var(--line);
  padding:26px 0 46px;
  position:relative;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,69,107,.14),transparent 68%);
  pointer-events:none;
}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);margin-bottom:26px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--ink-3);opacity:.7}
.breadcrumb .current{color:var(--ink);font-weight:600}
.channel-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 15px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(242,69,107,.1);color:var(--brand);
}
.channel-tag i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}
.article-hero h1{
  font-size:clamp(26px,3.6vw,42px);
  font-weight:800;
  line-height:1.28;
  letter-spacing:-.5px;
  margin:18px 0 0;
  max-width:900px;
}
.article-meta{display:flex;align-items:center;gap:10px 20px;flex-wrap:wrap;margin-top:24px;font-size:13.5px;color:var(--ink-2)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--ink-3);display:inline-block}
.article-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:12.5px;color:var(--ink-2);
  transition:border-color .2s,color .2s,background .2s,transform .2s;
}
.pill:hover{border-color:var(--brand);color:var(--brand);background:rgba(242,69,107,.06);transform:translateY(-2px)}

.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;align-items:start;
  padding:56px 0 70px;
}
.article-main{min-width:0}
.article-content{
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  word-break:break-word;
}
.article-content > *:first-child{margin-top:0}
.article-content h2{
  font-size:clamp(21px,2.4vw,26px);
  font-weight:700;
  line-height:1.45;
  margin:40px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--brand);
  letter-spacing:-.2px;
}
.article-content h3{font-size:18.5px;font-weight:700;margin:30px 0 12px;line-height:1.5}
.article-content h4{font-size:16.5px;font-weight:700;margin:24px 0 10px}
.article-content p{margin:0 0 18px}
.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--brand-deep)}
.article-content strong{font-weight:700;color:var(--ink)}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:22px}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:9px}
.article-content li::marker{color:var(--brand)}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;
  background:#FFF6F8;border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content figure{margin:26px 0}
.article-content img{border-radius:14px;width:100%;height:auto}
.article-content figcaption{font-size:12.5px;color:var(--ink-3);margin-top:8px;text-align:center}
.article-content hr{border:none;border-top:1px solid var(--line);margin:34px 0}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-content th{background:var(--cream);font-weight:600}
.article-content code{background:var(--cream);padding:2px 6px;border-radius:6px;font-size:14px}

.article-foot{margin-top:38px;padding-top:26px;border-top:1px solid var(--line);max-width:760px}
.article-foot h3{font-size:14px;color:var(--ink-3);font-weight:600;margin-bottom:12px;letter-spacing:.4px}
.keyword-line{font-size:13px;color:var(--ink-3);margin-top:18px;line-height:1.9}

.sidebar{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--brand)}
.toc-list a{
  display:block;padding:9px 0;font-size:14px;color:var(--ink-2);border-bottom:1px dashed var(--line);
  transition:color .2s,padding-left .2s;
}
.toc-list a:last-child{border-bottom:none}
.toc-list a:hover{color:var(--brand);padding-left:4px}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tags span{
  padding:5px 12px;border-radius:999px;font-size:12.5px;
  background:var(--cream);color:var(--ink-2);border:1px solid var(--line);
}
.side-safe{background:linear-gradient(160deg,var(--night),var(--night-2));border:none;color:#fff}
.side-safe h3{color:#fff}
.side-safe h3::before{background:var(--amber)}
.side-safe p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.72);margin-bottom:16px}
.side-safe .btn{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#fff;padding:10px 18px;font-size:13.5px}
.side-safe .btn:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.related-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--cream)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-body{padding:18px 20px 22px}
.related-body h3{
  font-size:16.5px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-meta{margin-top:12px;font-size:12.5px;color:var(--ink-3);display:flex;gap:12px;align-items:center}
.related-meta i{width:5px;height:5px;border-radius:50%;background:var(--mint);display:inline-block}

/* 上下篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
.post-nav a{
  display:flex;flex-direction:column;gap:6px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:18px 20px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(242,69,107,.4)}
.post-nav .nav-label{font-size:12.5px;color:var(--ink-3);letter-spacing:.4px}
.post-nav .nav-title{font-size:15.5px;font-weight:600;color:var(--ink)}
.post-nav a:hover .nav-title{color:var(--brand)}

/* 转化条 */
.cta-band{background:var(--night);color:#fff;position:relative;overflow:hidden;padding:64px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 15% 25%,rgba(242,69,107,.28),transparent 55%),
             radial-gradient(circle at 85% 75%,rgba(255,178,77,.16),transparent 55%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 300px;gap:44px;align-items:center}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.38;letter-spacing:-.3px}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.74);max-width:560px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.7)}
.cta-points span{display:inline-flex;align-items:center;gap:8px}
.cta-points i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}
.cta-note{font-size:12px;color:rgba(255,255,255,.5);text-align:center;margin-top:4px}

/* 返回入口 */
.back-links{display:flex;flex-wrap:wrap;gap:14px;align-items:center;padding:34px 0 0}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--brand);border:1px solid rgba(242,69,107,.32);background:rgba(242,69,107,.06);
  transition:background .2s,color .2s,transform .2s;
}
.back-link:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.back-link.plain{color:var(--ink-2);border-color:var(--line);background:transparent}
.back-link.plain:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* 空状态 */
.empty-state{
  max-width:640px;margin:0 auto;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:56px 28px;box-shadow:var(--shadow);
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px}
.empty-state p{font-size:15px;color:var(--ink-2);line-height:1.9;margin-bottom:24px}

/* 页脚 */
.site-footer{background:var(--night);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .logo{color:#fff;font-size:18px}
.footer-brand .logo em{color:var(--brand)}
.footer-brand p{font-size:14px;line-height:1.9;margin-top:16px;max-width:340px;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:14px;color:#fff;margin:0 0 14px;font-weight:700}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:6px 0;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom .compliance{max-width:640px}

@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .sidebar{display:none}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .cta-actions .btn{width:auto;flex:1 1 180px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .section-sm{padding:48px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
  .footer-brand p{max-width:none}
}
@media (max-width:820px){
  .nav{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:64px}
  .drawer{inset:64px 0 0 0}
  .logo{font-size:17px}
  .logo-dot{width:28px;height:28px;font-size:13px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .article-hero{padding:20px 0 34px}
  .article-hero h1{font-size:clamp(23px,6vw,30px)}
  .article-layout{padding:34px 0 48px;gap:30px}
  .article-content{font-size:15.5px;line-height:1.85}
  .article-content h2{margin:32px 0 14px}
  .related-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .cta-band{padding:48px 0}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .back-links{gap:10px}
  .back-link{padding:9px 16px;font-size:13.5px}
}
@media (max-width:520px){
  .header-actions .btn-sm{padding:8px 14px;font-size:13px}
  .logo{font-size:15.5px;gap:8px}
  .logo-dot{width:26px;height:26px;font-size:12px;border-radius:8px}
  .article-meta{font-size:12.5px;gap:8px 14px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{font-size:12px}
  .article-hero h1{font-size:22px}
  .pill{font-size:12px;padding:5px 12px}
}

/* roulang page: category1 */
:root{
  --brand:#F2456B;
  --brand-deep:#C92F55;
  --amber:#FFB24D;
  --mint:#3DCBB0;
  --night:#191024;
  --night-2:#241634;
  --bg:#FBF7F4;
  --card:#FFFFFF;
  --ink:#1B1522;
  --ink-2:#5A5266;
  --ink-3:#8C8496;
  --line:#EDE4DD;
  --cream:#F6EFE9;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(25,16,36,.06);
  --shadow-hover:0 14px 30px rgba(25,16,36,.12);
  --shadow-float:0 20px 48px rgba(25,16,36,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-sm{padding:60px 0}
.section-cream{background:var(--cream)}
.section-white{background:#fff}
.section-head{max-width:720px;margin-bottom:38px}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;letter-spacing:-.3px;
  padding-left:16px;position:relative;color:var(--ink);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;background:var(--brand);
}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15.5px}
/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(251,247,244,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.3px}
.logo-dot{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#FF7A97);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:800;flex:0 0 auto}
.logo em{font-style:normal;color:var(--brand)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  position:relative;padding:8px 14px;font-size:15px;color:var(--ink-2);border-radius:var(--radius-sm);
  transition:color .2s,background .2s;
}
.nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav a:hover{color:var(--ink);background:rgba(242,69,107,.06)}
.nav a.active{color:var(--ink);font-weight:600}
.nav a.active::after,.nav a:hover::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,69,107,.28)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(242,69,107,.24)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 28px rgba(201,47,85,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{display:none;position:fixed;inset:68px 0 0 0;background:rgba(25,16,36,.55);z-index:80}
.drawer.open{display:block}
.drawer-panel{background:var(--bg);padding:22px;display:flex;flex-direction:column;gap:6px;animation:drawerIn .3s ease both}
.drawer-panel a{padding:14px 12px;border-radius:12px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-panel a:hover{background:rgba(242,69,107,.08)}
.drawer-panel .btn{margin-top:14px;border-bottom:none}
@keyframes drawerIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
/* 分类页头部 */
.cat-head{position:relative;overflow:hidden;background:var(--cream);border-bottom:1px solid var(--line);padding:34px 0 36px}
.cat-head-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/2d9d133e13c26d79.webp');
  background-size:cover;background-position:center;opacity:.14;
}
.cat-head-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(237,228,221,.85) 1px,transparent 1px),linear-gradient(90deg,rgba(237,228,221,.85) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.75),rgba(0,0,0,.15));
  mask-image:linear-gradient(180deg,rgba(0,0,0,.75),rgba(0,0,0,.15));
}
.cat-head-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 268px;gap:36px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:16px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb i{font-style:normal;color:var(--ink-3)}
.cat-head h1{font-size:clamp(25px,3.2vw,36px);line-height:1.3;font-weight:800;letter-spacing:-.4px;color:var(--ink)}
.cat-head h1 em{font-style:normal;color:var(--brand)}
.cat-head .cat-desc{margin-top:14px;max-width:640px;font-size:15px;color:var(--ink-2);line-height:1.85}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;font-size:12.5px;
  background:rgba(242,69,107,.1);color:var(--brand-deep);font-weight:600;
}
.tag-mint{background:rgba(61,203,176,.14);color:#1F8E7B}
.tag-amber{background:rgba(255,178,77,.18);color:#A96A0C}
.cat-stats{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow)}
.cat-stats .stat-row{display:flex;justify-content:space-between;align-items:baseline;padding:10px 0;border-bottom:1px dashed var(--line)}
.cat-stats .stat-row:last-child{border-bottom:none;padding-bottom:0}
.cat-stats .stat-row:first-child{padding-top:0}
.cat-stats .k{font-size:13px;color:var(--ink-3)}
.cat-stats .v{font-size:22px;font-weight:800;color:var(--ink);font-family:"DIN Alternate","Helvetica Neue",sans-serif}
.cat-stats .v small{font-size:12px;font-weight:600;color:var(--ink-3);margin-left:2px}
.cat-stats .v.brand{color:var(--brand)}
.cat-stats .live{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);margin-top:14px}
.cat-stats .live i{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(61,203,176,.16);display:inline-block}
/* 筛选条 */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:14px 18px;box-shadow:var(--shadow);margin-bottom:32px;
}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  padding:8px 16px;border-radius:999px;font-size:13.5px;color:var(--ink-2);
  border:1px solid var(--line);background:#fff;transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,69,107,.25)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:0 6px 16px rgba(242,69,107,.24)}
.sort-switch{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--ink-3)}
.sort-btn{padding:6px 14px;border-radius:999px;font-size:13.5px;color:var(--ink-2);border:1px solid transparent;transition:all .2s ease}
.sort-btn:hover{color:var(--brand)}
.sort-btn.active{background:rgba(242,69,107,.1);color:var(--brand-deep);font-weight:600}
/* 场景卡片列表 */
.topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.topic-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .35s ease,box-shadow .35s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.topic-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--cream)}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.topic-card:hover .topic-thumb img{transform:scale(1.03)}
.topic-thumb .thumb-tag{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.92);color:var(--brand-deep);backdrop-filter:blur(4px);
}
.topic-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-body h3{font-size:18px;font-weight:600;line-height:1.5;letter-spacing:-.2px}
.topic-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--ink-3);
}
.topic-foot .hot{display:inline-flex;align-items:center;gap:6px;color:var(--brand-deep);font-weight:600}
.topic-foot .hot i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}
/* TOP5 */
.top-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.top-list li{
  display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px dashed var(--line);
}
.top-list li:last-child{border-bottom:none}
.top-list .num{
  font-family:"DIN Alternate","Helvetica Neue",sans-serif;
  font-size:32px;font-weight:800;line-height:1;color:var(--line);flex:0 0 46px;transition:color .25s ease;
}
.top-list li:hover .num{color:var(--amber)}
.top-list .txt{flex:1;min-width:0}
.top-list .txt b{display:block;font-size:16px;font-weight:600;color:var(--ink);line-height:1.55}
.top-list .txt span{font-size:12.5px;color:var(--ink-3)}
.top-aside{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.top-aside h3{font-size:17px;font-weight:700;margin-bottom:14px}
.top-aside p{font-size:14.5px;color:var(--ink-2);line-height:1.85}
.top-aside .aside-line{height:1px;background:var(--line);margin:18px 0}
.top-aside .aside-item{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--ink-2);padding:8px 0}
.top-aside .aside-item b{color:var(--ink);font-weight:700}
/* 编辑推荐 */
.editor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.editor-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .35s ease,box-shadow .35s ease;display:flex;flex-direction:column;
}
.editor-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.editor-cover{aspect-ratio:4/3;overflow:hidden;background:var(--cream)}
.editor-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.editor-card:hover .editor-cover img{transform:scale(1.03)}
.editor-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.editor-body h3{font-size:17.5px;font-weight:600;line-height:1.5}
.editor-body p{font-size:14px;color:var(--ink-2);line-height:1.8}
.editor-meta{margin-top:auto;font-size:12.5px;color:var(--ink-3);padding-top:12px;border-top:1px solid var(--line);display:flex;justify-content:space-between}
/* 使用说明图文 */
.how-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.how-steps{display:flex;flex-direction:column;gap:22px;margin-top:30px}
.how-step{display:flex;gap:18px;align-items:flex-start}
.how-step .step-num{
  flex:0 0 44px;height:44px;border-radius:14px;background:rgba(242,69,107,.1);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
  font-family:"DIN Alternate","Helvetica Neue",sans-serif;
}
.how-step h3{font-size:17px;font-weight:600;margin-bottom:6px}
.how-step p{font-size:14.5px;color:var(--ink-2);line-height:1.85}
.how-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-float)}
.how-figure img{width:100%;aspect-ratio:4/3.2;object-fit:cover}
.how-figure .fig-note{
  position:absolute;left:18px;bottom:18px;right:18px;padding:12px 16px;border-radius:14px;
  background:rgba(25,16,36,.78);color:#fff;font-size:13px;line-height:1.7;backdrop-filter:blur(6px);
}
/* FAQ */
.faq-list{max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--radius-md);padding:0 22px;margin-bottom:12px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(242,69,107,.35)}
.faq-item[open]{border-left-color:var(--brand);box-shadow:0 8px 22px rgba(25,16,36,.07)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);transition:transform .25s ease,border-color .25s ease;margin-right:4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq-item summary:focus-visible{outline:2px solid rgba(242,69,107,.4);outline-offset:4px;border-radius:8px}
.faq-item p{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:760px}
/* 转化条 */
.cta-strip{
  background:linear-gradient(120deg,#FFF3F6,#FDF8F2 70%);
  border:1px solid rgba(242,69,107,.22);border-radius:var(--radius-lg);
  padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-strip h2{font-size:clamp(20px,2.3vw,26px);font-weight:700;line-height:1.4;letter-spacing:-.2px}
.cta-strip p{margin-top:10px;font-size:14.5px;color:var(--ink-2);max-width:620px}
.cta-strip .cta-side{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-strip .cta-side small{font-size:12.5px;color:var(--ink-3);max-width:180px;line-height:1.6}
/* 页脚 */
.site-footer{background:var(--night);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:400px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.66);padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.5)}
.footer-bottom .compliance{max-width:620px;line-height:1.7}
/* 响应式 */
@media (max-width:1199px){
  .cat-head-inner{grid-template-columns:1fr 238px;gap:26px}
  .top-wrap{grid-template-columns:1fr;gap:32px}
}
@media (max-width:991px){
  .nav{display:none}
  .nav-toggle{display:flex}
  .editor-grid{grid-template-columns:repeat(2,1fr)}
  .how-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cat-head-inner{grid-template-columns:1fr}
  .cat-stats{max-width:420px}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .section-sm{padding:44px 0}
  .container{padding:0 18px}
  .topic-list{grid-template-columns:1fr;gap:18px}
  .editor-grid{grid-template-columns:1fr}
  .filter-bar{padding:12px 14px;gap:12px}
  .filter-bar .sort-switch{width:100%;justify-content:flex-start}
  .cat-head{padding:26px 0 30px}
  .cta-strip{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-strip .cta-side{width:100%}
  .cta-strip .cta-side .btn{width:100%}
}
@media (max-width:560px){
  .hero-actions .btn,.btn-block{width:100%}
  .topic-body h3{font-size:16.5px}
  .top-list .num{font-size:26px;flex-basis:38px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .section{padding:44px 0}
  .section-head h2{padding-left:14px}
  .cat-head h1{font-size:23px}
}