/* roulang page: index */
:root{
  --bg:#F6F8F9; --surface:#FFFFFF; --surface-soft:#EDF3F6;
  --brand-900:#17394D; --brand-700:#24586F; --brand-500:#3B7E96; --brand-100:#E3EEF3;
  --accent-600:#D9764C; --accent-100:#FBEEE7;
  --ink:#1E2A32; --ink-2:#55666F; --ink-3:#8A9AA3; --line:#E3E9ED;
  --r-card:16px; --r-md:10px; --r-pill:999px; --r-badge:6px;
  --sh-1:0 2px 8px rgba(23,57,77,.05);
  --sh-2:0 10px 28px rgba(23,57,77,.08);
  --sh-3:0 16px 40px rgba(23,57,77,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink);line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select{font-family:inherit;font-size:inherit}
.shell{max-width:1200px;margin:0 auto;padding:0 32px}
.sec{padding:72px 0}
.sec-soft{background:var(--surface-soft)}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head h2{font-size:clamp(1.35rem,2.2vw,1.75rem);margin-bottom:12px}
.sec-head p{color:var(--ink-2);font-size:15.5px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--brand-500);
  font-weight:600;margin-bottom:10px;
}
.badge-soft{
  display:inline-block;background:var(--brand-100);color:var(--brand-700);
  border-radius:var(--r-badge);font-size:12px;padding:2px 8px;line-height:1.7;
}
.badge-accent{
  display:inline-block;background:var(--accent-100);color:var(--accent-600);
  border-radius:var(--r-badge);font-size:12px;padding:2px 8px;font-weight:600;line-height:1.7;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:all .18s ease;line-height:1.4;
  text-decoration:none!important;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(59,126,150,.35)}
.btn-main{background:var(--brand-700);color:#fff}
.btn-main:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:none}
.btn-accent{background:var(--accent-600);color:#fff}
.btn-accent:hover{background:#c4653c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:none}
.btn-line{background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-ghost{background:rgba(255,255,255,.85);border:1px solid rgba(36,88,111,.18);color:var(--brand-700)}
.btn-ghost:hover{background:#fff;border-color:var(--brand-500);color:var(--brand-900)}

/* ---------- 头部 ---------- */
.site-head{position:sticky;top:0;z-index:60}
.brandbar{background:var(--surface);box-shadow:var(--sh-1);transition:box-shadow .2s ease}
.brandbar-in{display:flex;align-items:center;gap:24px;height:64px;transition:height .2s ease}
.brandbar.is-shrink .brandbar-in{height:54px}
.brandbar.is-shrink{box-shadow:var(--sh-2)}
.logo{display:flex;align-items:baseline;gap:6px;flex-shrink:0;text-decoration:none!important}
.logo-main{font-size:19px;font-weight:700;color:var(--brand-900);letter-spacing:.01em}
.logo-main em{font-style:normal;color:var(--accent-600)}
.logo-sub{font-size:12px;color:var(--ink-3);font-weight:500}
.head-search{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;
  background:var(--surface-soft);border-radius:var(--r-pill);border:1px solid transparent;
  transition:all .18s ease;padding:0 16px;
}
.head-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(59,126,150,.18)}
.head-search svg{width:16px;height:16px;color:var(--ink-3);flex-shrink:0}
.head-search input{
  border:0;background:transparent;outline:none;padding:10px 10px;width:100%;
  font-size:14px;color:var(--ink);
}
.head-search input::placeholder{color:var(--ink-3)}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.btn-pill-sm{padding:9px 20px;font-size:14px}
.burger{
  display:none;width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;cursor:pointer;
}
.burger svg{width:18px;height:18px;color:var(--brand-700)}
.channelbar{background:var(--surface);border-bottom:1px solid var(--line)}
.channelbar-in{display:flex;align-items:center;gap:16px;padding:10px 32px;overflow:hidden}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex-shrink:0;padding:7px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:500;
  color:var(--ink-2);background:transparent;transition:all .18s ease;white-space:nowrap;
  text-decoration:none!important;
}
.chip:hover{background:var(--brand-100);color:var(--brand-700)}
.chip.is-active{background:var(--brand-700);color:#fff}
.hot-badge{
  margin-left:auto;flex-shrink:0;background:var(--accent-100);color:var(--accent-600);
  font-size:12px;font-weight:600;padding:5px 14px;border-radius:var(--r-pill);white-space:nowrap;
}
.offcanvas{border-radius:0 0 0 16px}
.mnav{padding:8px 0}
.mnav a{
  display:block;padding:13px 10px;border-bottom:1px solid var(--line);font-size:15px;
  color:var(--ink);text-decoration:none;
}
.mnav a:last-child{border-bottom:0}
.mnav a:hover{background:var(--surface-soft);color:var(--brand-700)}

/* ---------- Hero ---------- */
.hero{padding:36px 0 0}
.hero-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);
  background:var(--surface);
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-card::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.94) 42%,rgba(255,255,255,.6) 70%,rgba(255,255,255,.24) 100%);
}
.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;
  gap:40px;padding:56px 48px;align-items:center;
}
.hero-copy h1{font-size:clamp(1.75rem,3.6vw,2.5rem);margin:14px 0 14px;color:var(--brand-900)}
.hero-sub{font-size:16px;font-weight:600;color:var(--brand-700);margin-bottom:14px}
.hero-lead{font-size:15px;color:var(--ink-2);max-width:620px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin:20px 0 26px}
.hero-points li{display:flex;align-items:center;gap:7px;font-size:14px;color:var(--ink-2)}
.hero-points svg{width:16px;height:16px;color:var(--accent-600);flex-shrink:0}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-side{display:flex;justify-content:center}
.countdown-card{
  background:rgba(255,255,255,.93);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.7);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:26px 24px;text-align:center;width:100%;max-width:300px;
}
.ring{
  width:128px;height:128px;border-radius:50%;margin:0 auto 16px;
  background:conic-gradient(var(--brand-700) calc(var(--p) * 1%),var(--brand-100) 0);
  display:grid;place-items:center;
}
.ring-in{
  width:100px;height:100px;border-radius:50%;background:#fff;display:grid;place-items:center;
  align-content:center;line-height:1.2;
}
.ring-in strong{font-size:28px;color:var(--brand-900);font-weight:700}
.ring-in span{font-size:12px;color:var(--ink-3)}
.cd-title{font-size:15px;font-weight:700;color:var(--brand-900);margin-bottom:4px}
.cd-sub{font-size:13px;color:var(--ink-3);margin-bottom:16px}
.cd-stats{display:flex;justify-content:space-around;border-top:1px solid var(--line);padding-top:14px}
.cd-stats div{font-size:12px;color:var(--ink-3)}
.cd-stats strong{display:block;font-size:17px;color:var(--brand-700);font-weight:700}

/* ---------- KPI ---------- */
.kpi-board{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--surface);border-radius:var(--r-card);border:1px solid var(--line);
  padding:32px 24px;box-shadow:var(--sh-1);margin-top:-1px;
}
.kpi-item{text-align:center;position:relative}
.kpi-item + .kpi-item::before{
  content:"";position:absolute;left:0;top:12%;height:76%;width:1px;background:var(--line);
}
.kpi-num{font-size:30px;font-weight:700;color:var(--brand-700);line-height:1.2}
.kpi-num small{font-size:14px;font-weight:600;margin-left:2px}
.kpi-label{font-size:14px;font-weight:600;color:var(--ink);margin-top:6px}
.kpi-desc{font-size:12.5px;color:var(--ink-3);margin-top:2px}

/* ---------- 分类入口 ---------- */
.channel-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ch-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-1);transition:all .18s ease;text-decoration:none!important;
  color:var(--ink);
}
.ch-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-100);color:var(--ink)}
.ch-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-100);
  display:grid;place-items:center;margin-bottom:16px;
}
.ch-icon svg{width:22px;height:22px;color:var(--brand-700)}
.ch-card h3{font-size:17px;margin-bottom:8px}
.ch-card:hover h3{color:var(--brand-700)}
.ch-card p{font-size:14px;color:var(--ink-2)}
.ch-more{margin-top:16px;font-size:13px;color:var(--brand-500);font-weight:600;display:inline-flex;align-items:center;gap:5px}

/* ---------- 栏目矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.mx-big{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .18s ease;
}
.mx-big:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.mx-big-media{aspect-ratio:16/9;background:var(--surface-soft);overflow:hidden}
.mx-big-media img{width:100%;height:100%;object-fit:cover}
.mx-big-body{padding:22px 24px 26px}
.mx-big-body h3{font-size:18px;margin:10px 0 8px}
.mx-big-body p{font-size:14.5px;color:var(--ink-2)}
.mx-meta{display:block;margin-top:14px;font-size:13px;color:var(--ink-3)}
.mx-small-list{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mx-small{
  display:flex;gap:14px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;
  box-shadow:var(--sh-1);transition:all .18s ease;
}
.mx-small:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.mx-small .num{
  flex-shrink:0;width:34px;height:34px;border-radius:50%;border:1px solid var(--brand-500);
  color:var(--brand-700);font-size:13px;font-weight:700;display:grid;place-items:center;
}
.mx-small h3{font-size:15.5px;margin-bottom:6px}
.mx-small p{font-size:13.5px;color:var(--ink-2)}

/* ---------- 约床app 指南 ---------- */
.guide-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.guide-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line);
}
.guide-list li:last-child{border-bottom:0}
.guide-list .g-num{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;border:1px solid var(--accent-600);
  color:var(--accent-600);font-size:13px;font-weight:700;display:grid;place-items:center;
}
.guide-list h3{font-size:15.5px;margin-bottom:4px}
.guide-list p{font-size:14px;color:var(--ink-2)}
.guide-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-2);
}
.guide-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--surface-soft)}
.guide-card-body{padding:24px}
.guide-card-body h3{font-size:17px;margin-bottom:10px}
.guide-card-body p{font-size:14px;color:var(--ink-2);margin-bottom:18px}

/* ---------- 结果对比 ---------- */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cmp{padding:28px 26px;border-radius:var(--r-card);border:1px solid var(--line);background:var(--surface)}
.cmp.before{box-shadow:var(--sh-1)}
.cmp.after{box-shadow:var(--sh-2);border-color:var(--brand-100);background:linear-gradient(180deg,#fff 0%,#FBFDFE 100%)}
.cmp h3{font-size:16.5px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.cmp h3 svg{width:18px;height:18px}
.cmp.before h3 svg{color:var(--ink-3)}
.cmp.after h3 svg{color:var(--brand-700)}
.cmp li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);padding:9px 0;border-bottom:1px solid var(--line)}
.cmp li:last-child{border-bottom:0}
.cmp li span{flex-shrink:0;font-weight:700;font-size:13px;color:var(--ink-3);width:16px}
.cmp.after li span{color:var(--brand-500)}
.cmp-tag{display:inline-block;font-size:12px;padding:2px 8px;border-radius:var(--r-badge);margin-bottom:12px}
.cmp.before .cmp-tag{background:var(--surface-soft);color:var(--ink-2)}
.cmp.after .cmp-tag{background:var(--accent-100);color:var(--accent-600)}

/* ---------- 里程碑 ---------- */
.timeline{position:relative;padding-left:0}
.tl-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.tl-row::before{
  content:"";position:absolute;top:15px;left:6%;right:6%;height:1px;
  border-top:1px dashed var(--line);z-index:0;
}
.tl-item{position:relative;z-index:1;padding-right:8px}
.tl-dot{
  width:30px;height:30px;border-radius:50%;background:var(--brand-700);color:#fff;
  font-size:12.5px;font-weight:700;display:grid;place-items:center;margin-bottom:16px;
  box-shadow:0 0 0 6px var(--bg);
}
.sec-soft .tl-dot{box-shadow:0 0 0 6px var(--surface-soft)}
.tl-item h3{font-size:15.5px;margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--ink-2)}

/* ---------- 场景墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.w-card{
  grid-column:span 2;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:all .18s ease;
  text-decoration:none!important;color:var(--ink);
}
.w-card:nth-child(1),.w-card:nth-child(2){grid-column:span 3}
.w-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:var(--ink)}
.w-card:hover h3{color:var(--brand-700)}
.w-media{aspect-ratio:16/10;overflow:hidden;background:var(--surface-soft)}
.w-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.w-card:hover .w-media img{transform:scale(1.03)}
.w-body{padding:18px 20px 22px}
.w-body h3{font-size:15.5px;margin:10px 0 6px}
.w-body p{font-size:13.5px;color:var(--ink-2)}
.w-meta{display:block;margin-top:12px;font-size:12.5px;color:var(--ink-3)}

/* ---------- 论坛专栏 ---------- */
.forum-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:32px}
.forum-top{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-2);transition:all .18s ease;
  text-decoration:none!important;color:var(--ink);display:block;
}
.forum-top:hover{transform:translateY(-3px);box-shadow:var(--sh-3);color:var(--ink)}
.forum-top img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--surface-soft)}
.forum-top-body{padding:24px}
.forum-top-body h3{font-size:19px;margin:12px 0 10px}
.forum-top-body p{font-size:14px;color:var(--ink-2)}
.forum-sign{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--ink-3)}
.forum-sign .ava{
  width:28px;height:28px;border-radius:50%;background:var(--brand-100);
  display:grid;place-items:center;color:var(--brand-700);font-size:12px;font-weight:700;
}
.forum-list{display:flex;flex-direction:column;gap:0}
.forum-row{
  display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);
  text-decoration:none!important;color:var(--ink);transition:all .18s ease;
}
.forum-row:last-child{border-bottom:0}
.forum-row:hover{color:var(--ink)}
.forum-row:hover h3{color:var(--brand-700)}
.forum-thumb{
  width:96px;height:96px;flex-shrink:0;border-radius:var(--r-md);overflow:hidden;
  background:var(--surface-soft);
}
.forum-thumb img{width:100%;height:100%;object-fit:cover}
.forum-row h3{font-size:15px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.forum-row p{font-size:13px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.forum-row .meta{font-size:12.5px;color:var(--ink-3)}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.news-row{
  display:flex;justify-content:space-between;gap:18px;align-items:flex-start;
  padding:18px 22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);transition:all .18s ease;text-decoration:none!important;color:var(--ink);
}
.news-row:hover{background:var(--surface-soft);color:var(--ink)}
.news-row:hover h3{color:var(--brand-700)}
.news-row h3{font-size:15.5px;margin-bottom:6px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.news-row p{font-size:13.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-side{flex-shrink:0;text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.news-side .time{font-size:12.5px;color:var(--ink-3);white-space:nowrap}
.empty-state{
  text-align:center;padding:48px 20px;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--r-card);
}
.empty-state svg{width:48px;height:48px;color:var(--ink-3);margin-bottom:14px}
.empty-state p{color:var(--ink-3);font-size:14px;margin-bottom:16px}

/* ---------- 城市速览 ---------- */
.city-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.city-cloud span{
  font-size:14px;padding:7px 18px;border-radius:var(--r-pill);background:var(--surface-soft);
  color:var(--ink-2);transition:all .18s ease;cursor:default;
}
.city-cloud span:hover{background:var(--brand-100);color:var(--brand-700)}

/* ---------- 安全守则 ---------- */
.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid var(--line);padding-top:36px}
.safety-item h3{font-size:15.5px;margin:14px 0 6px}
.safety-item p{font-size:13.5px;color:var(--ink-2)}
.safety-item .s-ico{width:38px;height:38px;border-radius:10px;background:var(--brand-100);display:grid;place-items:center}
.safety-item .s-ico svg{width:19px;height:19px;color:var(--brand-500)}

/* ---------- 口碑 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);position:relative;transition:all .18s ease;
}
.quote-card:nth-child(2){transform:translateY(8px)}
.quote-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.quote-card:nth-child(2):hover{transform:translateY(4px)}
.quote-mark{font-size:36px;line-height:1;color:var(--brand-100);font-weight:700;margin-bottom:6px}
.quote-card p{font-size:14.5px;color:var(--ink-2)}
.quote-user{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.quote-user .ava{
  width:34px;height:34px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  display:grid;place-items:center;font-size:13px;font-weight:700;flex-shrink:0;
}
.quote-user strong{display:block;font-size:14px;color:var(--ink)}
.quote-user span{font-size:12.5px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq-acc{background:transparent}
.faq-acc .accordion-item{
  background:var(--surface);border:1px solid var(--line)!important;border-radius:var(--r-card)!important;
  margin-bottom:12px;overflow:hidden;
}
.faq-acc .accordion-button{
  background:var(--surface);color:var(--ink);font-weight:600;font-size:15.5px;
  padding:20px 24px;box-shadow:none!important;border:0;
}
.faq-acc .accordion-button:not(.collapsed){background:var(--surface-soft);color:var(--brand-700)}
.faq-acc .accordion-button::after{
  background-image:none;content:"＋";font-size:20px;color:var(--brand-700);
  width:auto;height:auto;line-height:1;transform:none;transition:transform .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-acc .accordion-body{font-size:14.5px;color:var(--ink-2);padding:4px 24px 22px;background:var(--surface-soft)}

/* ---------- 合作伙伴 ---------- */
.partner-row{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;align-items:center}
.partner-logo{
  height:64px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);
  display:grid;place-items:center;font-size:13.5px;color:var(--ink-3);font-weight:600;
  filter:grayscale(1);transition:all .22s ease;text-align:center;padding:0 10px;
}
.partner-logo:hover{filter:grayscale(0);color:var(--brand-700);border-color:var(--brand-100);box-shadow:var(--sh-1)}

/* ---------- 订阅 CTA ---------- */
.cta-band{
  background:var(--brand-100);border-radius:var(--r-card);padding:44px 48px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:clamp(1.3rem,2.2vw,1.65rem);color:var(--brand-900);margin-bottom:12px}
.cta-band p{font-size:14.5px;color:var(--brand-700)}
.cta-form{display:grid;grid-template-columns:1fr 150px auto;gap:12px;align-items:center}
.cta-form input,.cta-form select{
  height:46px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;
  padding:0 14px;font-size:14px;color:var(--ink);outline:none;transition:all .18s ease;width:100%;
}
.cta-form input:focus,.cta-form select:focus{
  border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(59,126,150,.18);
}
.form-note{grid-column:1/-1;font-size:12.5px;color:var(--brand-700);opacity:.8}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--brand-900);color:rgba(255,255,255,.8);margin-top:72px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:56px 32px 40px}
.foot-logo{font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-logo span{font-size:13px;font-weight:400;color:rgba(255,255,255,.6)}
.foot-brand p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.65)}
.foot-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:600}
.foot-col a{display:block;font-size:13.5px;color:rgba(255,255,255,.72);padding:5px 0;text-decoration:none}
.foot-col a:hover{color:#fff;text-decoration:none}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12)}
.foot-bottom .shell{
  padding:18px 32px;font-size:12.5px;color:rgba(255,255,255,.5);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1.1fr .9fr;padding:44px 36px;gap:28px}
  .tl-row{grid-template-columns:repeat(2,1fr);row-gap:32px}
  .tl-row::before{display:none}
  .partner-row{grid-template-columns:repeat(3,1fr)}
  .safety-grid{grid-template-columns:repeat(2,1fr);row-gap:28px}
}
@media (max-width:991px){
  .sec{padding:56px 0}
  .shell{padding:0 24px}
  .head-search{display:none}
  .burger{display:flex}
  .channelbar-in{padding:10px 24px}
  .hero-grid{grid-template-columns:1fr;padding:36px 28px}
  .hero-side{justify-content:flex-start}
  .countdown-card{max-width:100%}
  .kpi-board{grid-template-columns:repeat(2,1fr);row-gap:28px}
  .kpi-item:nth-child(3)::before{display:none}
  .channel-matrix{grid-template-columns:1fr}
  .matrix{grid-template-columns:1fr}
  .mx-small-list{grid-template-columns:1fr;grid-column:auto}
  .guide-wrap{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .forum-wrap{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .quote-card:nth-child(2){transform:none}
  .quote-card:nth-child(2):hover{transform:translateY(-2px)}
  .wall{grid-template-columns:repeat(2,1fr)}
  .w-card,.w-card:nth-child(1),.w-card:nth-child(2){grid-column:span 1}
  .cta-band{grid-template-columns:1fr;padding:32px 26px}
  .cta-form{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 24px 32px}
}
@media (max-width:767px){
  .sec{padding:44px 0}
  .shell{padding:0 20px}
  .brandbar-in{height:58px;gap:12px}
  .logo-main{font-size:17px}
  .logo-sub{display:none}
  .channelbar-in{padding:8px 20px;gap:10px;position:relative}
  .channelbar-in::after{
    content:"";position:absolute;right:0;top:0;bottom:0;width:36px;
    background:linear-gradient(90deg,rgba(255,255,255,0),#fff);pointer-events:none;
  }
  .hot-badge{display:none}
  .hero{padding:20px 0 0}
  .hero-grid{padding:28px 20px 32px}
  .hero-lead{font-size:14.5px}
  .hero-cta .btn{flex:1}
  .kpi-board{grid-template-columns:repeat(2,1fr);padding:24px 16px;gap:14px}
  .kpi-item + .kpi-item::before{display:none}
  .kpi-num{font-size:25px}
  .mx-big-body,.guide-card-body{padding:18px 18px 22px}
  .wall{grid-template-columns:1fr}
  .new-row{}
  .news-row{flex-direction:column;gap:10px}
  .news-side{flex-direction:row;align-items:center;text-align:left}
  .forum-thumb{width:78px;height:78px}
  .safety-grid{grid-template-columns:1fr}
  .partner-row{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom .shell{justify-content:flex-start}
}

/* roulang page: category1 */
:root{
  --bg:#F6F8F9; --surface:#FFFFFF; --surface-soft:#EDF3F6;
  --brand-900:#17394D; --brand-700:#24586F; --brand-500:#3B7E96; --brand-100:#E3EEF3;
  --accent-600:#D9764C; --accent-100:#FBEEE7;
  --ink:#1E2A32; --ink-2:#55666F; --ink-3:#8A9AA3; --line:#E3E9ED;
  --r-card:16px; --r-md:10px; --r-pill:999px; --r-badge:6px;
  --sh-1:0 2px 8px rgba(23,57,77,.05);
  --sh-2:0 10px 28px rgba(23,57,77,.08);
  --sh-3:0 16px 40px rgba(23,57,77,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--brand-900);line-height:1.35}
p{margin:0 0 12px}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select{font-family:inherit;font-size:inherit}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:992px){.shell{padding:0 32px}}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--brand-500);font-weight:600;margin-bottom:10px}
.badge-soft{display:inline-block;background:var(--brand-100);color:var(--brand-700);border-radius:var(--r-badge);font-size:12px;padding:3px 9px;line-height:1.7;font-weight:600}
.badge-accent{display:inline-block;background:var(--accent-100);color:var(--accent-600);border-radius:var(--r-badge);font-size:12px;padding:3px 9px;font-weight:600;line-height:1.7}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:var(--r-pill);font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:all .18s ease;line-height:1.4;text-decoration:none}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(59,126,150,.35)}
.btn-main{background:var(--brand-700);color:#fff}
.btn-main:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:none}
.btn-line{background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-accent{background:var(--accent-600);color:#fff}
.btn-accent:hover{background:#c4653c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-pill-sm{padding:9px 20px;font-size:14px}
/* ---------- 顶部导航 ---------- */
.site-head{position:sticky;top:0;z-index:1030}
.brandbar{background:var(--surface);box-shadow:var(--sh-1);transition:box-shadow .2s ease}
.brandbar.is-shrink{box-shadow:var(--sh-2)}
.brandbar-in{display:flex;align-items:center;gap:20px;height:64px;transition:height .2s ease}
.brandbar.is-shrink .brandbar-in{height:54px}
.logo{display:flex;align-items:baseline;gap:6px;flex-shrink:0;text-decoration:none}
.logo-main{font-size:19px;font-weight:700;color:var(--brand-900);letter-spacing:.01em;white-space:nowrap}
.logo-main em{font-style:normal;color:var(--accent-600)}
.logo-sub{font-size:12px;color:var(--ink-3);font-weight:500;white-space:nowrap}
.head-search{flex:1;max-width:400px;display:flex;align-items:center;background:var(--surface-soft);border-radius:var(--r-pill);border:1px solid transparent;transition:all .18s ease;padding:0 16px}
.head-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(59,126,150,.18)}
.head-search svg{width:16px;height:16px;color:var(--ink-3);flex-shrink:0}
.head-search input{border:0;background:transparent;outline:none;padding:10px;width:100%;font-size:14px;color:var(--ink)}
.head-search input::placeholder{color:var(--ink-3)}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{width:38px;height:38px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface);display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700);cursor:pointer;transition:all .18s ease}
.icon-btn:hover{border-color:var(--brand-500);background:var(--brand-100)}
.icon-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(59,126,150,.35)}
@media(max-width:767px){.head-search{display:none}.brandbar-in{height:60px}}
.channelbar{background:var(--surface);border-bottom:1px solid var(--line)}
.channelbar-in{display:flex;align-items:center;gap:12px;padding:8px 0}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.chips::-webkit-scrollbar{display:none}
.chip{flex-shrink:0;padding:7px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--ink-2);background:transparent;transition:all .18s ease;white-space:nowrap;text-decoration:none}
.chip:hover{background:var(--brand-100);color:var(--brand-700)}
.chip.is-active{background:var(--brand-700);color:#fff}
.hot-badge{margin-left:auto;flex-shrink:0;background:var(--accent-100);color:var(--accent-600);font-size:12px;font-weight:600;padding:5px 14px;border-radius:var(--r-pill);white-space:nowrap}
@media(max-width:575px){.hot-badge{display:none}}
.mnav{padding:6px 0}
.mnav a{display:block;padding:13px 8px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);text-decoration:none}
.mnav a:last-child{border-bottom:0}
.mnav a:hover{background:var(--surface-soft);color:var(--brand-700)}
.offcanvas{border-radius:0 0 0 16px}
/* ---------- 通用板块 ---------- */
.band{padding:72px 0}
.band-soft{background:var(--surface-soft)}
.band-white{background:var(--surface)}
@media(max-width:991px){.band{padding:56px 0}}
@media(max-width:767px){.band{padding:44px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-head h2{font-size:clamp(1.35rem,2.2vw,1.75rem)}
.sec-head p{color:var(--ink-2);font-size:14.5px;margin:6px 0 0;max-width:640px}
/* ---------- 频道头 ---------- */
.page-head{background:var(--surface);border-bottom:1px solid var(--line);padding:28px 0 40px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs span.sep{color:var(--line)}
.head-grid{display:grid;grid-template-columns:1.6fr .9fr;gap:36px;align-items:start}
.head-copy h1{font-size:clamp(1.6rem,3.2vw,2.3rem);margin:12px 0 14px}
.head-copy .lead{font-size:15.5px;color:var(--ink-2);max-width:680px}
.head-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.head-tags .tagline{background:var(--surface-soft);color:var(--brand-700);border-radius:var(--r-pill);font-size:13px;padding:6px 14px;font-weight:500}
.head-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px}
.head-card h3{font-size:15px;margin-bottom:12px}
.head-card .stat-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.head-card .stat-row div{border-left:2px solid var(--brand-100);padding-left:10px}
.head-card .stat-row strong{display:block;font-size:20px;color:var(--brand-700);font-weight:700;line-height:1.3}
.head-card .stat-row small{color:var(--ink-3);font-size:12px}
.head-card .note{margin-top:16px;font-size:12.5px;color:var(--ink-3);line-height:1.7}
@media(max-width:991px){.head-grid{grid-template-columns:1fr;gap:24px}}
/* ---------- 速览条 ---------- */
.quickbar{background:var(--surface-soft);border-bottom:1px solid var(--line);padding:22px 0}
.quickbar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.quick-item{display:flex;gap:12px;align-items:flex-start}
.quick-item svg{width:22px;height:22px;color:var(--brand-500);flex-shrink:0;margin-top:3px}
.quick-item strong{display:block;font-size:14.5px;color:var(--brand-900);margin-bottom:2px}
.quick-item span{font-size:13px;color:var(--ink-2)}
@media(max-width:991px){.quickbar-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:575px){.quickbar-grid{grid-template-columns:1fr;gap:14px}}
/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene-card .num{font-size:12px;font-weight:700;color:var(--accent-600);letter-spacing:.1em}
.scene-card h3{font-size:1.0625rem;margin:10px 0 8px}
.scene-card p{font-size:13.5px;color:var(--ink-2);margin:0}
@media(max-width:1199px){.scene-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:575px){.scene-grid{grid-template-columns:1fr}}
/* ---------- CMS 图文卡列表 ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.ac-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;display:flex;flex-direction:column}
.ac-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.ac-cover{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--surface-soft)}
.ac-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.ac-card:hover .ac-cover img{transform:scale(1.04)}
.ac-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.ac-body h3{font-size:1.0625rem;line-height:1.5}
.ac-body h3 a{color:var(--brand-900)}
.ac-body h3 a:hover{color:var(--brand-700)}
.ac-summary{font-size:13.8px;color:var(--ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ac-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-3);margin-top:auto;padding-top:6px}
@media(max-width:767px){.cms-grid{grid-template-columns:1fr}}
.empty-state{text-align:center;padding:48px 20px;color:var(--ink-3)}
.empty-state svg{width:48px;height:48px;color:var(--ink-3);margin-bottom:12px}
.empty-state p{margin:0 0 6px;font-size:14.5px}
.empty-state small{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:16px}
.list-more{text-align:center;margin-top:36px}
/* ---------- 编辑精选 ---------- */
.sel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sel-card{display:grid;grid-template-columns:170px 1fr;background:var(--surface);border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-2);overflow:hidden}
.sel-card .sel-img{background:var(--surface-soft);aspect-ratio:1/1;overflow:hidden}
.sel-card .sel-img img{width:100%;height:100%;object-fit:cover}
.sel-card .sel-body{padding:22px}
.sel-card h3{font-size:1.0625rem;margin:10px 0 8px}
.sel-card p{font-size:13.5px;color:var(--ink-2);margin:0}
@media(max-width:991px){.sel-grid{grid-template-columns:1fr}}
@media(max-width:575px){.sel-card{grid-template-columns:1fr}.sel-card .sel-img{aspect-ratio:16/9}}
/* ---------- 要点清单 ---------- */
.tips-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.tips-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line)}
.tips-list li:last-child{border-bottom:0}
.tips-list .idx{width:32px;height:32px;border-radius:50%;border:1.5px solid var(--brand-500);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0}
.tips-list strong{display:block;font-size:15px;color:var(--brand-900);margin-bottom:4px}
.tips-list span{font-size:13.5px;color:var(--ink-2)}
.tips-aside{background:var(--brand-100);border-radius:var(--r-card);padding:28px}
.tips-aside h3{font-size:1.0625rem;margin-bottom:10px}
.tips-aside p{font-size:13.8px;color:var(--brand-700);margin-bottom:18px}
@media(max-width:991px){.tips-wrap{grid-template-columns:1fr}}
/* ---------- 相关文章行 ---------- */
.mini-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.mini-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line);transition:background .18s ease}
.mini-item:last-child{border-bottom:0}
.mini-item:hover{background:var(--surface-soft)}
.mini-item a{font-size:14.5px;font-weight:600;color:var(--brand-900);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.mini-item time{font-size:12.5px;color:var(--ink-3);flex-shrink:0}
/* ---------- FAQ ---------- */
.faq .accordion-item{border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;background:var(--surface);box-shadow:var(--sh-1)}
.faq .accordion-button{background:var(--surface);font-weight:600;font-size:15px;color:var(--brand-900);padding:18px 22px;box-shadow:none;border:0}
.faq .accordion-button:not(.collapsed){background:var(--surface-soft);color:var(--brand-700)}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(59,126,150,.18);border:0}
.faq .accordion-button::after{content:"+";background-image:none;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:400;color:var(--brand-500);line-height:1;transform:none;transition:transform .2s ease,color .2s ease}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--accent-600)}
.faq .accordion-body{font-size:14px;color:var(--ink-2);padding:18px 22px;line-height:1.85;background:var(--surface)}
/* ---------- CTA ---------- */
.cta-band{background:var(--brand-100);border-radius:var(--r-card);padding:40px;display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
.cta-band h2{font-size:clamp(1.3rem,2vw,1.6rem);margin-bottom:10px}
.cta-band p{color:var(--brand-700);font-size:14px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
@media(max-width:991px){.cta-band{grid-template-columns:1fr;padding:28px;gap:20px}.cta-actions{justify-content:flex-start}}
/* ---------- 页脚 ---------- */
.site-foot{background:var(--brand-900);color:rgba(255,255,255,.8);padding:56px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.foot-logo{font-size:18px;font-weight:700;color:#fff;margin-bottom:12px}
.foot-logo span{font-size:12.5px;font-weight:500;color:rgba(255,255,255,.65)}
.foot-brand p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.72);margin:0}
.foot-col h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:600}
.foot-col a{display:block;font-size:13.5px;color:rgba(255,255,255,.72);padding:5px 0;text-decoration:none}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14)}
.foot-bottom .shell{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:18px;padding-bottom:18px;font-size:12.5px;color:rgba(255,255,255,.6)}
@media(max-width:991px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:575px){.foot-grid{grid-template-columns:1fr}}

/* roulang page: article */
:root{
  --bg:#F6F8F9; --surface:#FFFFFF; --surface-soft:#EDF3F6;
  --brand-900:#17394D; --brand-700:#24586F; --brand-500:#3B7E96; --brand-100:#E3EEF3;
  --accent-600:#D9764C; --accent-100:#FBEEE7;
  --ink:#1E2A32; --ink-2:#55666F; --ink-3:#8A9AA3; --line:#E3E9ED;
  --r-card:16px; --r-md:10px; --r-pill:999px; --r-badge:6px;
  --sh-1:0 2px 8px rgba(23,57,77,.05);
  --sh-2:0 10px 28px rgba(23,57,77,.08);
  --sh-3:0 16px 40px rgba(23,57,77,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
button,input,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5{margin:0;line-height:1.4;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.shell{padding:0 32px}}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--brand-500);font-weight:600;margin-bottom:10px}
.badge-soft{display:inline-block;background:var(--brand-100);color:var(--brand-700);border-radius:var(--r-badge);font-size:12px;padding:2px 8px;line-height:1.7;font-weight:500}
.badge-accent{display:inline-block;background:var(--accent-100);color:var(--accent-600);border-radius:var(--r-badge);font-size:12px;padding:2px 8px;font-weight:600;line-height:1.7}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:all .18s ease;line-height:1.4;
  text-decoration:none!important;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(59,126,150,.35)}
.btn-main{background:var(--brand-700);color:#fff}
.btn-main:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:none}
.btn-accent{background:var(--accent-600);color:#fff}
.btn-accent:hover{background:#c4653c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-line{background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-ghost{background:rgba(255,255,255,.85);border:1px solid rgba(36,88,111,.18);color:var(--brand-700)}
.btn-ghost:hover{background:#fff;border-color:var(--brand-500);color:var(--brand-900)}
.btn-pill-sm{padding:9px 20px;font-size:14px}

/* ---------- Header ---------- */
.site-head{position:relative;z-index:1030}
.brandbar{background:var(--surface);box-shadow:var(--sh-1);position:sticky;top:0;z-index:1030;transition:box-shadow .2s ease}
.brandbar.is-shrink{box-shadow:var(--sh-2)}
.brandbar-in{display:flex;align-items:center;gap:20px;height:64px;transition:height .2s ease}
.brandbar.is-shrink .brandbar-in{height:54px}
.logo{display:flex;align-items:baseline;gap:6px;flex-shrink:0;text-decoration:none!important}
.logo-main{font-size:18px;font-weight:700;color:var(--brand-900);letter-spacing:.01em;white-space:nowrap}
.logo-main em{font-style:normal;color:var(--accent-600)}
.head-search{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;
  background:var(--surface-soft);border-radius:var(--r-pill);border:1px solid transparent;
  transition:all .18s ease;padding:0 16px;
}
.head-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(59,126,150,.18)}
.head-search svg{width:16px;height:16px;color:var(--ink-3);flex-shrink:0}
.head-search input{border:0;background:transparent;outline:none;padding:10px;width:100%;font-size:14px;color:var(--ink)}
.head-search input::placeholder{color:var(--ink-3)}
.head-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;color:var(--brand-700);
  cursor:pointer;transition:all .18s ease;
}
.menu-toggle:hover{border-color:var(--brand-500);background:var(--brand-100)}
.menu-toggle svg{width:18px;height:18px}
.channelbar{background:var(--surface);border-bottom:1px solid var(--line)}
.channelbar-in{display:flex;align-items:center;gap:14px;padding:10px 0}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0;flex:1;mask-image:linear-gradient(to right,#000 92%,transparent 100%)}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex-shrink:0;padding:7px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:500;
  color:var(--ink-2);background:transparent;transition:all .18s ease;white-space:nowrap;
  text-decoration:none!important;
}
.chip:hover{background:var(--brand-100);color:var(--brand-700)}
.chip.is-active{background:var(--brand-700);color:#fff}
.hot-badge{
  flex-shrink:0;background:var(--accent-100);color:var(--accent-600);
  font-size:12px;font-weight:600;padding:5px 14px;border-radius:var(--r-pill);white-space:nowrap;
}
.offcanvas{border-radius:0 0 0 16px}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.offcanvas-title{font-size:15px;color:var(--brand-900);font-weight:700}
.mnav{padding:6px 0}
.mnav a{display:block;padding:13px 10px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);text-decoration:none;transition:all .18s ease}
.mnav a:last-child{border-bottom:0}
.mnav a:hover{background:var(--surface-soft);color:var(--brand-700);padding-left:16px}
@media(max-width:991px){
  .head-search{display:none}
  .menu-toggle{display:flex}
  .head-actions .btn{display:none}
}

/* ---------- 页面位置条 ---------- */
.page-strip{background:var(--surface);border-bottom:1px solid var(--line)}
.page-strip-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;flex-wrap:wrap}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);flex-wrap:wrap}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{color:#C9D4D9}
.crumbs .current{color:var(--ink-3)}

/* ---------- 文章头 ---------- */
.article-hero{background:var(--surface);padding:40px 0 36px;border-bottom:1px solid var(--line)}
.head-inner{max-width:840px}
.article-title{
  font-size:clamp(1.6rem,3.2vw,2.3rem);line-height:1.42;color:var(--brand-900);
  font-weight:700;letter-spacing:-.01em;margin:14px 0 16px;
}
.article-dek{font-size:15.5px;color:var(--ink-2);line-height:1.85;margin-bottom:22px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13.5px;color:var(--ink-3)}
.meta-row strong{color:var(--ink-2);font-weight:600}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C9D4D9;display:inline-block}
.share-group{display:flex;gap:8px;margin-left:auto}
.share-btn{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
  cursor:pointer;transition:all .18s ease;
}
.share-btn:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
.share-btn svg{width:15px;height:15px}

/* ---------- 阅读主体 ---------- */
.reading-wrap{padding:44px 0 8px}
.reading{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;max-width:820px;margin:0 auto}
@media(min-width:992px){
  .reading{grid-template-columns:minmax(0,780px) 240px;gap:48px;max-width:1080px}
}
.article-body{font-size:17px;line-height:1.9;color:var(--ink);word-break:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(1.25rem,2vw,1.5rem);color:var(--brand-900);margin:2em 0 .8em;
  padding-left:14px;border-left:3px solid var(--brand-500);line-height:1.5;font-weight:700;
}
.article-body h3{font-size:1.1rem;color:var(--brand-900);margin:1.6em 0 .6em;font-weight:700}
.article-body h4{font-size:1rem;color:var(--brand-700);margin:1.4em 0 .5em;font-weight:700}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em}
.article-body li{margin-bottom:.5em}
.article-body blockquote{
  background:var(--surface-soft);border-left:4px solid var(--brand-500);margin:1.6em 0;
  padding:18px 22px;border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:1.6em 0;box-shadow:var(--sh-1)}
.article-body a{color:var(--brand-700);text-decoration:underline;text-decoration-color:rgba(59,126,150,.42);text-underline-offset:3px}
.article-body a:hover{color:var(--brand-500)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 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(--surface-soft);color:var(--brand-900);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{background:var(--surface-soft);padding:2px 6px;border-radius:4px;font-size:.92em}
.article-body .safe-tip{
  background:var(--accent-100);border-left:4px solid var(--accent-600);
  padding:16px 20px;border-radius:0 var(--r-md) var(--r-md) 0;margin:1.6em 0;color:#8A4A2C;
}

/* 侧栏目录 */
.toc-side{position:sticky;top:88px;align-self:start}
.toc-toggle{
  display:none;width:100%;align-items:center;justify-content:space-between;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 16px;font-size:14px;color:var(--brand-700);font-weight:600;cursor:pointer;
  margin-bottom:12px;
}
.toc-toggle svg{width:16px;height:16px;transition:transform .2s ease}
.toc-toggle[aria-expanded="true"] svg{transform:rotate(180deg)}
.toc-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:20px}
.toc-card h3{font-size:12px;letter-spacing:.12em;color:var(--ink-3);margin-bottom:12px;font-weight:600}
.toc-card ol{list-style:none;margin:0;padding:0;counter-reset:toc;max-height:60vh;overflow:auto}
.toc-card li{counter-increment:toc;margin-bottom:2px}
.toc-card a{
  display:block;font-size:13.5px;line-height:1.6;color:var(--ink-2);padding:7px 10px 7px 30px;
  border-radius:var(--r-md);position:relative;border-left:2px solid transparent;
  transition:all .16s ease;
}
.toc-card a::before{
  content:counter(toc,decimal-leading-zero);position:absolute;left:8px;top:8px;
  color:var(--ink-3);font-size:11px;font-weight:600;
}
.toc-card a:hover{background:var(--surface-soft);color:var(--brand-700);text-decoration:none}
.toc-card a.is-active{color:var(--brand-700);font-weight:600;background:var(--brand-100);border-left-color:var(--brand-700)}
@media(max-width:991px){
  .toc-side{position:static;order:-1}
  .toc-card{display:none}
  .toc-card.is-open{display:block}
  .toc-toggle{display:flex}
}

/* ---------- 编辑按 ---------- */
.editor-note{
  background:var(--surface-soft);border:1px solid var(--line);border-radius:12px;
  padding:22px 24px;display:flex;gap:18px;align-items:flex-start;margin-top:44px;
}
.note-initial{
  width:44px;height:44px;border-radius:12px;background:var(--brand-700);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0;
}
.note-body h4{font-size:14.5px;color:var(--brand-900);font-weight:700;margin-bottom:6px}
.note-body p{font-size:14px;line-height:1.85;color:var(--ink-2)}

/* ---------- 标签与作者 ---------- */
.tag-block{margin-top:36px}
.tag-block .label{font-size:12px;letter-spacing:.12em;color:var(--ink-3);font-weight:600;margin-bottom:12px;display:block}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 16px;font-size:13px;color:var(--ink-2);transition:all .18s ease;display:inline-block;
}
.tag:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100);text-decoration:none}
.author-card{
  display:flex;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);margin-top:32px;flex-wrap:wrap;
}
.avatar{
  width:56px;height:56px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;flex-shrink:0;
}
.author-meta{flex:1;min-width:180px}
.author-meta h4{font-size:15px;color:var(--brand-900);font-weight:700;margin-bottom:4px}
.author-meta p{font-size:13.5px;color:var(--ink-2);line-height:1.7}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state svg{width:52px;height:52px;color:var(--ink-3);margin:0 auto 16px}
.empty-state h2{font-size:1.25rem;color:var(--brand-900);margin-bottom:10px}
.empty-state p{font-size:14.5px;color:var(--ink-2);max-width:460px;margin:0 auto 22px}

/* ---------- 通用板块 ---------- */
.section-pad{padding:52px 0}
@media(min-width:768px){.section-pad{padding:68px 0}}
.sec-head{margin-bottom:28px;max-width:720px}
.sec-head h2{font-size:clamp(1.35rem,2.2vw,1.7rem);color:var(--brand-900);margin:6px 0 8px}
.sec-head p{font-size:14.5px;color:var(--ink-2)}

/* ---------- 相关推荐 ---------- */
.rel-section{background:var(--surface-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:991px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.rel-grid{grid-template-columns:1fr}}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;height:100%;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);text-decoration:none}
.rel-cover{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--surface-soft)}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:15.5px;color:var(--brand-900);font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover h3{color:var(--brand-700)}
.rel-foot{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-3);margin-top:auto}

/* ---------- 上下篇 ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:640px){.pager{grid-template-columns:1fr}}
.pager-card{
  display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pager-card:hover{border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--sh-2);text-decoration:none}
.pager-label{font-size:12px;letter-spacing:.12em;color:var(--ink-3);font-weight:600}
.pager-title{font-size:15px;color:var(--brand-900);font-weight:600;line-height:1.6}
.pager-card:hover .pager-title{color:var(--brand-700)}

/* ---------- 收口 CTA ---------- */
.cta-strip{
  background:var(--brand-100);border-radius:var(--r-card);padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-strip h3{font-size:clamp(1.15rem,2vw,1.4rem);color:var(--brand-900);margin-bottom:8px}
.cta-strip p{font-size:14.5px;color:var(--ink-2);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--brand-900);color:rgba(255,255,255,.8);margin-top:64px;padding-top:56px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}
.foot-logo{font-size:17px;font-weight:700;color:#fff;margin-bottom:12px}
.foot-logo span{color:rgba(255,255,255,.58);font-weight:400;font-size:13px}
.foot-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72)}
.foot-col h4{font-size:13.5px;color:#fff;font-weight:600;margin-bottom:14px;letter-spacing:.04em}
.foot-col a{display:block;font-size:14px;color:rgba(255,255,255,.7);padding:5px 0;transition:color .18s ease}
.foot-col a:hover{color:#fff;text-decoration:none}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0}
.foot-bottom .shell{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}
@media(max-width:640px){.foot-bottom .shell{display:block;line-height:2}}

/* ---------- 移动端微调 ---------- */
@media(max-width:767px){
  .page-strip-in{padding:12px 0}
  .article-hero{padding:28px 0 26px}
  .article-dek{font-size:15px}
  .share-group{margin-left:0;width:100%}
  .reading-wrap{padding:32px 0 4px}
  .article-body{font-size:16.5px;line-height:1.88}
  .cta-strip{padding:26px 22px}
  .editor-note{flex-direction:column;gap:14px;padding:20px}
  .author-card{padding:20px}
  .section-pad{padding:44px 0}
}

/* roulang page: category3 */
:root{
  --bg:#F6F8F9; --surface:#FFFFFF; --surface-soft:#EDF3F6;
  --brand-900:#17394D; --brand-700:#24586F; --brand-500:#3B7E96; --brand-100:#E3EEF3;
  --accent-600:#D9764C; --accent-100:#FBEEE7;
  --ink:#1E2A32; --ink-2:#55666F; --ink-3:#8A9AA3; --line:#E3E9ED;
  --r-card:16px; --r-md:10px; --r-pill:999px; --r-badge:6px;
  --sh-1:0 2px 8px rgba(23,57,77,.05);
  --sh-2:0 10px 28px rgba(23,57,77,.08);
  --sh-3:0 16px 40px rgba(23,57,77,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
button,input,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--brand-900);letter-spacing:-.01em;line-height:1.35}
p{margin:0 0 12px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:72px 0}
.section-soft{background:var(--surface-soft)}
.section-white{background:var(--surface)}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head h2{font-size:clamp(1.35rem,2.2vw,1.75rem);margin-bottom:10px}
.sec-head p{color:var(--ink-2);font-size:15px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--brand-500);
  font-weight:600;margin-bottom:10px;
}
.badge-soft{
  display:inline-block;background:var(--brand-100);color:var(--brand-700);
  border-radius:var(--r-badge);font-size:12px;padding:2px 8px;line-height:1.7;
}
.badge-accent{
  display:inline-block;background:var(--accent-100);color:var(--accent-600);
  border-radius:var(--r-badge);font-size:12px;padding:2px 8px;font-weight:600;line-height:1.7;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:all .18s ease;line-height:1.4;
  text-decoration:none!important;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(59,126,150,.35)}
.btn-main{background:var(--brand-700);color:#fff}
.btn-main:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:none}
.btn-accent{background:var(--accent-600);color:#fff}
.btn-accent:hover{background:#c4653c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:none}
.btn-line{background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-pill-sm{padding:9px 20px;font-size:14px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:1030}
.brandbar{background:var(--surface);box-shadow:var(--sh-1);transition:box-shadow .2s ease}
.brandbar-in{display:flex;align-items:center;gap:24px;height:64px;transition:height .2s ease}
.brandbar.is-shrink .brandbar-in{height:54px}
.brandbar.is-shrink{box-shadow:var(--sh-2)}
.logo{display:flex;align-items:baseline;gap:6px;flex-shrink:0;text-decoration:none!important}
.logo-main{font-size:19px;font-weight:700;color:var(--brand-900);letter-spacing:.01em}
.logo-main em{font-style:normal;color:var(--accent-600)}
.logo-sub{font-size:12px;color:var(--ink-3);font-weight:500}
.head-search{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;
  background:var(--surface-soft);border-radius:var(--r-pill);border:1px solid transparent;
  transition:all .18s ease;padding:0 16px;
}
.head-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(59,126,150,.18)}
.head-search svg{width:16px;height:16px;color:var(--ink-3);flex-shrink:0}
.head-search input{
  border:0;background:transparent;outline:none;padding:10px 10px;width:100%;
  font-size:14px;color:var(--ink);
}
.head-search input::placeholder{color:var(--ink-3)}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface);
  color:var(--brand-700);cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{border-color:var(--brand-500);background:var(--brand-100)}
.icon-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(59,126,150,.35)}
.chanbar{background:var(--surface);border-bottom:1px solid var(--line)}
.chanbar-in{display:flex;align-items:center;gap:14px;padding:8px 0}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex-shrink:0;padding:7px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:500;
  color:var(--ink-2);background:transparent;transition:all .18s ease;white-space:nowrap;
  text-decoration:none!important;
}
.chip:hover{background:var(--brand-100);color:var(--brand-700)}
.chip:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(59,126,150,.35)}
.chip.is-active{background:var(--brand-700);color:#fff}
.hot-badge{
  margin-left:auto;flex-shrink:0;background:var(--accent-100);color:var(--accent-600);
  font-size:12px;font-weight:600;padding:5px 14px;border-radius:var(--r-pill);white-space:nowrap;
}
.mnav{padding:8px 0}
.mnav a{
  display:block;padding:13px 10px;border-bottom:1px solid var(--line);font-size:15px;
  color:var(--ink);text-decoration:none;
}
.mnav a:last-child{border-bottom:0}
.mnav a:hover{background:var(--surface-soft);color:var(--brand-700)}
.offcanvas{border-radius:0 0 0 16px}

/* ---------- page head ---------- */
.page-head{background:var(--surface);padding:26px 0 40px;border-bottom:1px solid var(--line)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.crumbs a{color:var(--ink-2)}
.crumbs span.sep{color:var(--line)}
.crumbs .cur{color:var(--ink-3)}
.page-head h1{font-size:clamp(1.75rem,3.6vw,2.5rem);margin-bottom:14px;max-width:880px}
.page-lead{font-size:16px;color:var(--ink-2);max-width:840px;margin-bottom:16px}
.head-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13px;color:var(--ink-3)}
.head-meta i{font-style:normal;color:var(--accent-600);font-weight:600}

/* ---------- subtabs ---------- */
.subtabs{background:var(--surface-soft);border-bottom:1px solid var(--line);padding:16px 0}
.subtabs-in{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.subtabs .label{font-size:13px;color:var(--ink-3);flex-shrink:0}
.tag-chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.tag-chips::-webkit-scrollbar{display:none}
.tag-chip{
  flex-shrink:0;display:inline-flex;align-items:center;gap:6px;padding:6px 16px;
  border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);transition:all .18s ease;white-space:nowrap;text-decoration:none!important;
}
.tag-chip:hover{border-color:var(--brand-500);color:var(--brand-700);box-shadow:var(--sh-1)}
.tag-chip.is-on{background:var(--brand-700);border-color:var(--brand-700);color:#fff}

/* ---------- featured ---------- */
.feature{
  display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:center;
  background:var(--surface);border-radius:var(--r-card);box-shadow:var(--sh-2);
  padding:28px;border:1px solid var(--line);
}
.feature-thumb{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:1/1;background:var(--surface-soft)}
.feature-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature:hover .feature-thumb img{transform:scale(1.04)}
.feature-thumb .pin{
  position:absolute;left:12px;top:12px;background:var(--accent-600);color:#fff;
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);
}
.feature-body h2{font-size:clamp(1.25rem,2vw,1.6rem);margin:10px 0 12px}
.feature-body h2 a{color:var(--brand-900)}
.feature-body h2 a:hover{color:var(--brand-700);text-decoration:none}
.feature-body p{color:var(--ink-2);font-size:15px}
.feature-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--ink-3);margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.feature-meta strong{color:var(--brand-700);font-weight:600}

/* ---------- forum list ---------- */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:8px}
.list-head h2{font-size:clamp(1.35rem,2.2vw,1.75rem)}
.list-head .count{font-size:13px;color:var(--ink-3);flex-shrink:0;padding-bottom:6px}
.post-row{
  display:grid;grid-template-columns:120px 1fr;gap:20px;align-items:flex-start;
  padding:22px 0;border-bottom:1px solid var(--line);transition:background .18s ease;
}
.post-row:first-of-type{border-top:1px solid var(--line)}
.post-row:hover{background:rgba(237,243,246,.55)}
.post-thumb{aspect-ratio:1/1;border-radius:10px;overflow:hidden;background:var(--surface-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-main h3{font-size:1.0625rem;margin-bottom:6px}
.post-main h3 a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.post-main h3 a:hover{color:var(--brand-700);text-decoration:none}
.post-excerpt{
  font-size:14px;color:var(--ink-2);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13px;color:var(--ink-3)}
.empty-state{
  text-align:center;padding:56px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state svg{width:48px;height:48px;color:var(--ink-3);margin-bottom:14px}
.empty-state p{color:var(--ink-2);font-size:15px}

/* ---------- hosts ---------- */
.host-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.host-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:all .18s ease;text-align:center;
}
.host-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-100)}
.host-avatar{
  width:72px;height:72px;border-radius:50%;overflow:hidden;margin:0 auto 14px;
  background:var(--surface-soft);border:3px solid var(--brand-100);
}
.host-avatar img{width:100%;height:100%;object-fit:cover}
.host-card h3{font-size:1.0625rem;margin-bottom:4px}
.host-role{font-size:12px;color:var(--accent-600);font-weight:600;margin-bottom:10px}
.host-card p{font-size:14px;color:var(--ink-2)}

/* ---------- topics ---------- */
.topic-wrap{display:flex;flex-wrap:wrap;gap:12px;max-width:900px}
.topic{
  display:inline-flex;align-items:center;gap:8px;padding:9px 20px;border-radius:var(--r-pill);
  background:var(--surface-soft);color:var(--ink-2);font-size:14px;transition:all .18s ease;
}
.topic:hover{background:var(--brand-100);color:var(--brand-700)}
.topic b{color:var(--brand-700);font-weight:600}
.topic .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-600);flex-shrink:0}

/* ---------- subscribe ---------- */
.subscribe{background:var(--brand-100);padding:64px 0}
.sub-in{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.sub-left h2{font-size:clamp(1.35rem,2.2vw,1.75rem);margin-bottom:12px}
.sub-left p{color:var(--brand-900);opacity:.8;font-size:15px;max-width:460px}
.sub-form{background:var(--surface);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-2)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:6px}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  transition:all .18s ease;outline:none;
}
.field input:focus,.field select:focus{
  border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(59,126,150,.18);
}
.field input::placeholder{color:var(--ink-3)}
.form-note{font-size:13px;color:var(--ink-3);margin-top:12px}
.form-tip{font-size:14px;color:var(--accent-600);margin-top:10px;min-height:20px}

/* ---------- more ---------- */
.more-wrap{text-align:center;padding-top:36px}

/* ---------- footer ---------- */
.site-foot{background:var(--brand-900);color:rgba(255,255,255,.8);padding-top:64px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.foot-logo{font-size:19px;font-weight:700;color:#fff;margin-bottom:12px}
.foot-logo span{font-weight:400;color:rgba(255,255,255,.65);font-size:14px}
.foot-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7)}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.foot-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.7);padding:5px 0;
  text-decoration:none;transition:color .18s ease;
}
.foot-col a:hover{color:#fff;text-decoration:none}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0}
.foot-bottom .shell{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.55);
}

@media (max-width:1199px){
  .host-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .feature{grid-template-columns:220px 1fr;gap:24px}
  .sub-in{grid-template-columns:1fr;gap:28px}
  .head-search{max-width:260px}
}
@media (max-width:767px){
  .shell{padding:0 20px}
  .section{padding:44px 0}
  .subscribe{padding:44px 0}
  .brandbar-in{gap:12px;height:58px}
  .logo-main{font-size:17px}
  .logo-sub{display:none}
  .head-search{display:none}
  .hot-badge{display:none}
  .page-head{padding:20px 0 30px}
  .feature{grid-template-columns:1fr;gap:18px;padding:18px}
  .feature-thumb{aspect-ratio:16/10}
  .post-row{grid-template-columns:96px 1fr;gap:14px;padding:18px 0}
  .host-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .form-row{grid-template-columns:1fr}
  .list-head{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:520px){
  .foot-grid{grid-template-columns:1fr}
  .post-main h3{font-size:1rem}
  .btn{width:100%}
  .btn-pill-sm{width:auto}
}

/* roulang page: category2 */
:root{
  --bg:#F6F8F9; --surface:#FFFFFF; --surface-soft:#EDF3F6;
  --brand-900:#17394D; --brand-700:#24586F; --brand-500:#3B7E96; --brand-100:#E3EEF3;
  --accent-600:#D9764C; --accent-100:#FBEEE7;
  --ink:#1E2A32; --ink-2:#55666F; --ink-3:#8A9AA3; --line:#E3E9ED;
  --r-card:16px; --r-md:10px; --r-pill:999px; --r-badge:6px;
  --sh-1:0 2px 8px rgba(23,57,77,.05);
  --sh-2:0 10px 28px rgba(23,57,77,.08);
  --sh-3:0 16px 40px rgba(23,57,77,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
button,input,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{letter-spacing:-.01em;color:var(--brand-900);font-weight:700;line-height:1.35}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.shell{padding:0 32px}}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:1030;background:var(--surface);box-shadow:var(--sh-1);transition:box-shadow .2s ease}
.site-head.is-scrolled{box-shadow:var(--sh-2)}
.brandbar-in{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:baseline;gap:6px;flex-shrink:0;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-main{font-size:19px;font-weight:700;color:var(--brand-900);letter-spacing:.01em}
.logo-main em{font-style:normal;color:var(--accent-600)}
.logo-sub{font-size:12px;color:var(--ink-3);font-weight:500}
.head-search{flex:1;max-width:420px;display:flex;align-items:center;background:var(--surface-soft);border-radius:var(--r-pill);border:1px solid transparent;padding:0 14px;transition:all .18s ease}
.head-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(59,126,150,.18)}
.head-search svg{width:16px;height:16px;color:var(--ink-3);flex-shrink:0}
.head-search input{border:0;background:transparent;outline:none;padding:10px;width:100%;font-size:14px;color:var(--ink)}
.head-search input::placeholder{color:var(--ink-3)}
.head-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700);cursor:pointer;transition:all .18s ease}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-900);box-shadow:var(--sh-1)}
.icon-btn svg{width:18px;height:18px}
.burger{display:none}
.navband{background:var(--surface);border-bottom:1px solid var(--line)}
.navband-in{display:flex;align-items:center;gap:16px;padding:8px 0}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.chips::-webkit-scrollbar{display:none}
.chip{flex-shrink:0;padding:7px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--ink-2);transition:all .18s ease;white-space:nowrap;text-decoration:none}
.chip:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none}
.chip.is-active{background:var(--brand-700);color:#fff}
.hot-badge{margin-left:auto;flex-shrink:0;background:var(--accent-100);color:var(--accent-600);font-size:12px;font-weight:600;padding:5px 14px;border-radius:var(--r-pill);white-space:nowrap}
.mnav-panel{display:none;border-top:1px solid var(--line);background:var(--surface);padding:6px 0}
.mnav-panel.is-open{display:block}
.mnav-panel a{display:block;padding:12px 20px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line)}
.mnav-panel a:last-child{border-bottom:0}
.mnav-panel a:hover{background:var(--surface-soft);color:var(--brand-700);text-decoration:none}

/* ---------- buttons / badges ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:var(--r-pill);font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:all .18s ease;line-height:1.4;text-decoration:none}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(59,126,150,.35)}
.btn-main{background:var(--brand-700);color:#fff}
.btn-main:hover{background:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none}
.btn-main:active{transform:none}
.btn-line{background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh-1);text-decoration:none}
.btn-pill-sm{padding:9px 20px;font-size:14px}
.badge-soft{display:inline-block;background:var(--brand-100);color:var(--brand-700);border-radius:var(--r-badge);font-size:12px;padding:2px 8px;line-height:1.7}
.badge-accent{display:inline-block;background:var(--accent-100);color:var(--accent-600);border-radius:var(--r-badge);font-size:12px;padding:2px 8px;font-weight:600;line-height:1.7}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--brand-500);font-weight:600;margin-bottom:10px}

/* ---------- page head ---------- */
.page-head{padding:28px 0 56px;background:var(--surface);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand-700)}
.crumb-sep{color:var(--line)}
.crumb-cur{color:var(--ink-3)}
.ph-grid{display:grid;grid-template-columns:1.6fr .9fr;gap:40px;align-items:start}
.ph-main h1{font-size:clamp(1.6rem,3.2vw,2.35rem);margin:0 0 16px}
.ph-lead{font-size:15.5px;color:var(--ink-2);margin:0 0 20px;line-height:1.9;max-width:640px}
.ph-tags{display:flex;flex-wrap:wrap;gap:8px}
.ver-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);overflow:hidden}
.ver-media{aspect-ratio:16/10;background:var(--surface-soft);overflow:hidden}
.ver-media img{width:100%;height:100%;object-fit:cover}
.ver-body{padding:20px 22px 22px}
.ver-label{margin:0 0 2px;font-size:12px;letter-spacing:.12em;color:var(--ink-3);font-weight:600}
.ver-num{margin:0 0 14px;font-size:30px;font-weight:700;color:var(--brand-700);line-height:1.1}
.ver-list{list-style:none;margin:0 0 14px;padding:0;border-top:1px solid var(--line)}
.ver-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.ver-list li b{color:var(--brand-900);font-weight:600}
.ver-note{margin:0;font-size:12.5px;color:var(--ink-3);line-height:1.75}

/* ---------- sections ---------- */
.sec{padding:72px 0}
.sec-soft{background:var(--surface-soft)}
.sec-white{background:var(--surface)}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head h2{font-size:clamp(1.35rem,2.2vw,1.75rem);margin:0 0 12px}
.sec-head p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.85}

/* glossary */
.def-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.def-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.def-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-100)}
.def-no{display:block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--accent-600);margin-bottom:10px}
.def-card h3{font-size:1.0625rem;margin:0 0 8px}
.def-card p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.8}

/* steps */
.step-list{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.step-item{display:grid;grid-template-columns:84px 1fr;gap:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.step-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-100)}
.step-no{font-size:30px;font-weight:700;color:var(--brand-500);opacity:.6;line-height:1;letter-spacing:.02em}
.step-body h3{font-size:1.0625rem;margin:0 0 8px}
.step-body p{margin:0 0 10px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.step-body p:last-child{margin-bottom:0}
.step-tag-row{display:flex;gap:8px;flex-wrap:wrap}

/* safety */
.safety-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px;box-shadow:var(--sh-1)}
.check-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.check-list svg{width:20px;height:20px;flex-shrink:0;color:var(--brand-500);margin-top:3px}
.safety-foot{margin:24px 0 0;padding-top:18px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-3);line-height:1.8}

/* cms posts */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-100)}
.post-card a{display:block;padding:22px;color:inherit;text-decoration:none;height:100%}
.post-card a:hover{text-decoration:none}
.post-title{font-size:1.0625rem;margin:0 0 10px;color:var(--brand-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease}
.post-card a:hover .post-title{color:var(--brand-700)}
.post-sum{margin:0 0 14px;font-size:13.5px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--ink-3)}
.empty-state{background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center}
.empty-state svg{width:48px;height:48px;color:var(--ink-3);margin:0 auto 14px}
.empty-state p{margin:0 0 18px;color:var(--ink-2);font-size:14.5px}

/* faq */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:1.0625rem;font-weight:600;color:var(--brand-900);transition:background .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--surface-soft)}
.faq-item[open] summary{border-bottom:1px solid var(--line)}
.faq-ico{position:relative;width:18px;height:18px;flex-shrink:0}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--brand-500);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.faq-ico::before{left:0;top:8px;width:18px;height:2px}
.faq-ico::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-ico::after{transform:scaleY(0);opacity:0}
.faq-a{padding:18px 24px 22px;font-size:14.5px;color:var(--ink-2);line-height:1.9}
.faq-a p{margin:0}

/* closing cta */
.sec-close{padding:64px 0 80px;background:var(--surface-soft)}
.close-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:36px 34px;display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:space-between}
.close-card h2{font-size:clamp(1.25rem,2vw,1.55rem);margin:0 0 10px}
.close-card p{margin:0;color:var(--ink-2);font-size:14.5px;line-height:1.85;max-width:560px}
.close-actions{display:flex;gap:12px;flex-wrap:wrap}

/* footer */
.site-foot{background:var(--brand-900);color:rgba(255,255,255,.8);padding-top:56px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;padding-bottom:42px}
.foot-logo{font-size:18px;font-weight:700;color:#fff;margin:0 0 12px}
.foot-logo span{font-weight:400;font-size:12px;color:rgba(255,255,255,.62)}
.foot-brand p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.7);margin:0}
.foot-col h4{font-size:13px;letter-spacing:.1em;color:#fff;margin:0 0 14px;font-weight:600}
.foot-col a{display:block;color:rgba(255,255,255,.72);font-size:13.5px;padding:5px 0;text-decoration:none;transition:color .18s ease}
.foot-col a:hover{color:#fff;text-decoration:none}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0}
.foot-bottom .shell{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.55)}

/* responsive */
@media (max-width:1199.98px){
  .def-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .sec{padding:56px 0}
  .ph-grid{grid-template-columns:1fr;gap:28px}
  .ver-card{max-width:420px}
  .check-list{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  .site-head{position:static}
  .head-search{display:none}
  .burger{display:inline-flex}
  .head-actions .btn-pill-sm{display:none}
  .hot-badge{display:none}
  .sec{padding:44px 0}
  .step-item{grid-template-columns:1fr;gap:10px;padding:20px}
  .step-no{font-size:22px}
  .def-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .close-card{padding:28px 22px;gap:22px}
  .safety-card{padding:24px 20px}
  .page-head{padding:20px 0 40px}
}
@media (max-width:575.98px){
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom .shell{flex-direction:column}
  .logo-main{font-size:17px}
  .logo-sub{display:none}
}