/* roulang page: index */
:root{
  --c-primary:#E2622C;
  --c-primary-deep:#B8481C;
  --c-primary-soft:#FBE7DB;
  --c-accent:#1F3D33;
  --c-accent-2:#8E4A6B;
  --c-bg:#FAF6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#F3EBE3;
  --c-text:#221C19;
  --c-text-2:#6B5D55;
  --c-text-3:#9A8C82;
  --c-line:#E7DCD2;
  --c-ok:#2F7A5A;
  --c-warn:#C9891A;
  --c-danger:#C0432F;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-s:0 2px 8px rgba(34,28,25,.06);
  --shadow-m:0 10px 28px rgba(34,28,25,.09);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  text-align:left;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:2px;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;line-height:1.3;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,button{font-size:15px;color:var(--c-text);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--alt{background:var(--c-surface);}
.section--tint{background:var(--c-surface-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:32px;}
.section-head .sub{color:var(--c-text-2);font-size:15px;margin-top:8px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--c-primary-deep);
  background:var(--c-primary-soft);border-radius:999px;padding:6px 12px;font-weight:600;
}
.mini-note{font-size:12px;line-height:1.6;color:var(--c-text-3);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-s);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-m);}
.btn-line{background:transparent;color:var(--c-text);border-color:var(--c-line);}
.btn-line:hover{border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost{background:var(--c-accent);color:#F4EFE8;}
.btn-ghost:hover{background:#16302a;color:#fff;transform:translateY(-1px);}
.btn-text{background:none;border:0;color:var(--c-primary-deep);padding:0;height:auto;font-weight:600;}
.btn-text:hover{color:var(--c-primary);text-decoration:underline;}
.btn[disabled]{opacity:.5;pointer-events:none;}

/* 徽章 */
.badge{
  display:inline-block;font-size:12px;line-height:1.5;padding:6px 10px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600;
}
.badge--ok{background:rgba(47,122,90,.12);color:var(--c-ok);}
.badge--accent{background:rgba(142,74,107,.12);color:var(--c-accent-2);}
.badge--line{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-s);}
.header-inner{height:72px;display:flex;align-items:center;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);font-weight:700;font-size:17px;letter-spacing:-0.01em;}
.logo:hover{text-decoration:none;color:var(--c-text);}
.logo-mark{
  width:34px;height:34px;border-radius:50%;flex:0 0 34px;
  background:radial-gradient(circle at 32% 30%,var(--c-primary) 0 42%,var(--c-primary-deep) 43% 100%);
  position:relative;box-shadow:inset 0 0 0 6px rgba(255,255,255,.36);
}
.logo-mark::after{
  content:"";position:absolute;inset:11px;border-radius:50%;
  border:2px solid rgba(255,255,255,.85);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--c-text-3);letter-spacing:.04em;}
.nav-shell{display:flex;align-items:center;flex:1;gap:24px;justify-content:space-between;}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--c-text-2);
}
.nav a:hover{color:var(--c-primary);background:var(--c-surface-2);text-decoration:none;}
.nav a.is-active{color:var(--c-text);}
.nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:2px;background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.city-select{
  height:44px;border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);
  padding:0 34px 0 14px;font-size:14px;font-weight:600;color:var(--c-text-2);
  appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236B5D55' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;
}
.city-select:hover{border-color:var(--c-primary);color:var(--c-primary);}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--c-line);
  background:var(--c-surface);display:inline-flex;align-items:center;justify-content:center;color:var(--c-text-2);
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:var(--c-surface);
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-text);margin:4px auto;border-radius:2px;}

/* Hero */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 420px at 8% -10%,rgba(226,98,44,.14),transparent 62%),
  radial-gradient(700px 380px at 96% 4%,rgba(31,61,51,.10),transparent 60%),
  var(--c-bg);
  padding:80px 0 84px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{font-size:44px;line-height:1.22;margin:18px 0 18px;}
.hero h1 em{font-style:normal;color:var(--c-primary-deep);}
.hero-lead{font-size:17px;color:var(--c-text-2);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 16px;}
.hero-note{font-size:12px;color:var(--c-text-3);line-height:1.7;max-width:560px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-m);
}
.city-float{
  position:absolute;top:18px;right:-10px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);padding:12px 16px;box-shadow:var(--shadow-m);
  min-width:150px;
}
.city-float strong{display:block;font-size:15px;}
.city-float span{font-size:12px;color:var(--c-text-2);}
.city-float b{color:var(--c-primary-deep);font-size:15px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px;}
.hero-stats div{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:12px 14px;}
.hero-stats b{display:block;font-size:22px;font-weight:700;color:var(--c-accent);line-height:1.2;}
.hero-stats small{font-size:12px;color:var(--c-text-2);}

/* 城市直达 */
.city-band{display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:space-between;}
.city-pills{display:flex;flex-wrap:wrap;gap:10px;flex:1 1 640px;}
.city-pill{
  display:inline-block;padding:8px 16px;border-radius:999px;border:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-text-2);background:var(--c-surface);
  transition:all .18s ease;
}
.city-pill:hover{background:var(--c-accent);color:#fff;border-color:var(--c-accent);text-decoration:none;}
.city-search{display:flex;gap:10px;align-items:center;}
.city-search input{
  height:44px;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:0 14px;background:var(--c-surface);width:200px;
}
.city-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(226,98,44,.14);}

/* 栏目宫格 */
.grid-cats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cat-card{
  display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:var(--r-lg);
  background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--shadow-s);
  color:var(--c-text);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  position:relative;min-height:150px;
}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:rgba(226,98,44,.4);text-decoration:none;color:var(--c-text);}
.cat-card--wide{grid-column:span 2;background:linear-gradient(140deg,var(--c-accent) 0%,#16302a 100%);color:#F6F1EA;border-color:transparent;justify-content:space-between;}
.cat-card--wide h3{color:#fff;font-size:22px;}
.cat-card--wide p{color:#CFC6BB;font-size:14px;}
.cat-card--wide:hover{color:#fff;}
.cat-card h3{font-size:18px;font-weight:600;}
.cat-card p{font-size:14px;color:var(--c-text-2);line-height:1.7;}
.cat-ico{width:38px;height:38px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary-deep);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;}
.cat-card--wide .cat-ico{background:rgba(255,255,255,.14);color:#FBE7DB;}
.cat-arrow{font-size:13px;font-weight:600;color:var(--c-primary-deep);margin-top:auto;}
.cat-card--wide .cat-arrow{color:#F0B694;}

/* 列表卡片 */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.post-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-s);color:var(--c-text);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:rgba(226,98,44,.35);text-decoration:none;color:var(--c-text);}
.post-card h3{font-size:18px;line-height:1.5;margin-bottom:8px;}
.post-card:hover h3{color:var(--c-primary-deep);}
.post-card p{font-size:14px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:10px;margin-top:16px;flex-wrap:wrap;}
.post-meta time{font-size:12px;color:var(--c-text-3);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:48px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-lg);
}
.empty-state .empty-ico{
  width:64px;height:64px;border-radius:50%;margin:0 auto 18px;
  background:var(--c-primary-soft);display:flex;align-items:center;justify-content:center;
  font-size:26px;color:var(--c-primary-deep);
}
.empty-state p{color:var(--c-text-2);margin-bottom:18px;}

/* 编辑精选 */
.pick-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.pick-main{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-s);color:var(--c-text);transition:transform .2s ease,box-shadow .2s ease;}
.pick-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);text-decoration:none;color:var(--c-text);}
.pick-main img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.pick-body{padding:24px;}
.pick-body h3{font-size:22px;margin:12px 0 10px;line-height:1.45;}
.pick-main:hover h3{color:var(--c-primary-deep);}
.pick-body p{color:var(--c-text-2);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pick-side{display:grid;gap:24px;grid-auto-rows:1fr;}
.pick-small{display:grid;grid-template-columns:120px 1fr;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:16px;box-shadow:var(--shadow-s);color:var(--c-text);transition:transform .2s ease,box-shadow .2s ease;}
.pick-small:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);text-decoration:none;color:var(--c-text);}
.pick-small img{width:120px;height:100%;min-height:104px;object-fit:cover;border-radius:var(--r-md);}
.pick-small h3{font-size:16px;line-height:1.5;margin:8px 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pick-small:hover h3{color:var(--c-primary-deep);}
.pick-small span{font-size:12px;color:var(--c-text-3);}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;}
.tag{
  display:inline-block;padding:9px 18px;border-radius:999px;border:1px solid var(--c-line);
  font-size:14px;color:var(--c-text-2);background:var(--c-surface);font-weight:600;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none;}
.tag.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* 热榜 */
.rank-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.rank-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;}
.rank-item{display:flex;align-items:center;gap:16px;padding:16px 22px;border-bottom:1px solid var(--c-line);}
.rank-item:last-child{border-bottom:0;}
.rank-item:hover{background:var(--c-primary-soft);}
.rank-num{font-size:28px;font-weight:700;color:var(--c-primary);line-height:1;min-width:38px;font-variant-numeric:tabular-nums;}
.rank-txt{flex:1;font-size:15px;font-weight:600;}
.rank-side{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-s);}
.rank-side img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.rank-side-body{padding:22px;}
.rank-side-body h3{font-size:18px;margin-bottom:8px;}
.rank-side-body p{font-size:14px;color:var(--c-text-2);}

/* 专题横向滚动 */
.rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(270px,1fr);gap:20px;
  overflow-x:auto;padding-bottom:12px;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x mandatory;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-s);color:var(--c-text);
  transition:transform .2s ease,box-shadow .2s ease;
}
.rail-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);text-decoration:none;color:var(--c-text);}
.rail-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease;}
.rail-card:hover img{transform:scale(1.03);}
.rail-body{padding:18px;}
.rail-body h3{font-size:17px;margin-bottom:6px;}
.rail-body span{font-size:12px;color:var(--c-text-3);}

/* 场景指南 */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-s);display:flex;flex-direction:column;}
.scene-card--big{grid-column:span 3;display:grid;grid-template-columns:1.1fr 1fr;}
.scene-card--big img{height:100%;min-height:260px;object-fit:cover;}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scene-body{padding:22px;}
.scene-body h3{font-size:19px;margin:10px 0 8px;}
.scene-card--big .scene-body h3{font-size:24px;}
.scene-body p{font-size:14px;color:var(--c-text-2);}
.scene-bar{
  grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:var(--c-accent);color:#F1EAE1;border-radius:var(--r-lg);padding:22px 26px;flex-wrap:wrap;
}
.scene-bar p{font-size:15px;color:#D9D1C7;}
.scene-bar strong{color:#fff;font-size:17px;}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.step{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-s);}
.step-num{
  width:44px;height:44px;border-radius:50%;border:1px dashed var(--c-primary);
  color:var(--c-primary-deep);font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;background:var(--c-primary-soft);
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--c-text-2);}

/* 安全（深色） */
.safety{background:var(--c-accent);color:#EDE6DC;}
.safety h2{color:#fff;}
.safety .sub{color:#BEB4A8;}
.safety-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.safety-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);padding:24px;display:flex;gap:16px;
}
.safety-card .s-ico{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:rgba(226,98,44,.22);
  color:#F5B591;display:flex;align-items:center;justify-content:center;font-weight:700;
}
.safety-card h3{font-size:17px;color:#fff;margin-bottom:6px;}
.safety-card p{font-size:14px;color:#C7BDB1;}

/* 用户故事 */
.story-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.story{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-s);
}
.story:nth-child(even){transform:translateY(22px);}
.story-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.avatar{
  width:46px;height:46px;border-radius:50%;background:linear-gradient(140deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;
}
.story-head strong{display:block;font-size:15px;}
.story-head small{font-size:12px;color:var(--c-text-3);}
.story p{font-size:14px;color:var(--c-text-2);}
.stars{display:flex;gap:4px;margin-top:14px;}
.stars i{width:10px;height:10px;border-radius:2px;background:var(--c-primary);display:inline-block;}
.stars i.off{background:var(--c-line);}

/* 数据条 */
.metrics{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.metric{padding:32px 20px;text-align:center;border-right:1px solid var(--c-line);}
.metric:last-child{border-right:0;}
.metric b{display:block;font-size:34px;font-weight:700;color:var(--c-accent);line-height:1.1;}
.metric span{font-size:13px;color:var(--c-text-2);}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-list{display:grid;gap:12px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);
}
.faq-q:hover{color:var(--c-primary-deep);}
.faq-ico{
  width:18px;height:18px;flex:0 0 18px;position:relative;transition:transform .22s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--c-primary-deep);border-radius:2px;
}
.faq-ico::before{left:0;top:8px;width:18px;height:2px;}
.faq-ico::after{left:8px;top:0;width:2px;height:18px;transition:opacity .22s ease;}
.faq-item.is-open .faq-ico{transform:rotate(180deg);}
.faq-item.is-open .faq-ico::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-item.is-open .faq-a{max-height:280px;}
.faq-a p{padding:0 20px 20px;border-top:1px solid var(--c-line);padding-top:14px;font-size:14px;color:var(--c-text-2);}

/* 结尾 CTA */
.cta-band{
  background:var(--c-primary-soft);border:1px solid rgba(226,98,44,.24);border-radius:20px;
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:28px;margin-bottom:8px;}
.cta-band p{color:var(--c-text-2);font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}

/* 页脚 */
.site-footer{background:var(--c-accent);color:#E8DFD6;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.site-footer p{font-size:14px;color:#BEB4A8;line-height:1.9;}
.site-footer ul li{margin-bottom:10px;}
.site-footer a{color:#D5CCC1;font-size:14px;}
.site-footer a:hover{color:var(--c-primary);text-decoration:none;}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-weight:700;font-size:17px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#9E958B;
}
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
  background:var(--c-primary);color:#fff;border:0;box-shadow:var(--shadow-m);
  display:flex;align-items:center;justify-content:center;font-size:18px;z-index:70;
  opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;
}
.to-top.is-on{opacity:1;pointer-events:auto;}
.to-top:hover{background:var(--c-primary-deep);transform:translateY(-2px);}

/* 响应式 */
@media (max-width:1199px){
  .hero h1{font-size:38px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .scene-card--big{grid-column:span 2;grid-template-columns:1fr;}
  .scene-card--big img{min-height:220px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .nav-shell{
    position:fixed;top:60px;right:0;width:300px;max-width:86vw;height:calc(100vh - 60px);
    background:var(--c-surface);border-left:1px solid var(--c-line);
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:14px;
    padding:24px;transform:translateX(100%);transition:transform .28s ease;
    box-shadow:var(--shadow-m);overflow-y:auto;z-index:65;
  }
  .nav-shell.is-open{transform:translateX(0);}
  .nav{flex-direction:column;align-items:stretch;gap:4px;}
  .nav a{padding:12px 14px;border-radius:var(--r-sm);background:var(--c-surface-2);}
  .nav a.is-active{background:var(--c-primary-soft);}
  .nav a.is-active::after{display:none;}
  .header-actions{flex-wrap:wrap;gap:10px;}
  .header-actions .btn{width:100%;}
  .city-select{width:100%;}
  .menu-toggle{display:block;}
  .header-inner{height:60px;justify-content:space-between;gap:12px;}
  .logo{font-size:15px;}
  .hero{padding:54px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:32px;}
  .hero-lead{font-size:16px;}
  .hero-media{max-width:420px;}
  .city-float{right:8px;}
  .grid-cats{grid-template-columns:repeat(2,1fr);}
  .cat-card--wide{grid-column:span 2;}
  .post-grid{grid-template-columns:1fr;}
  .pick-grid{grid-template-columns:1fr;}
  .rank-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .story-grid{grid-template-columns:1fr;}
  .story:nth-child(even){transform:none;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric{border-right:0;border-bottom:1px solid var(--c-line);}
  .metric:nth-child(odd){border-right:1px solid var(--c-line);}
  .metric:last-child{border-bottom:0;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .section-head h2{font-size:25px;}
  .cta-band{padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  body{font-size:15px;line-height:1.78;}
  .hero h1{font-size:27px;}
  .hero-cta .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
  .city-search{width:100%;}
  .city-search input{flex:1;width:auto;}
  .grid-cats{grid-template-columns:1fr;}
  .cat-card--wide{grid-column:span 1;}
  .scene-grid{grid-template-columns:1fr;}
  .scene-card--big{grid-column:span 1;}
  .pick-small{grid-template-columns:1fr;}
  .pick-small img{width:100%;height:170px;min-height:0;}
  .rail{grid-auto-columns:82%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .rank-num{font-size:22px;min-width:30px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:0 !important;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:480px){
  .hero h1{font-size:24px;}
  .hero h2,.section-head h2{font-size:21px;}
  .btn{height:48px;}
  .rank-item{padding:14px 16px;gap:10px;}
}

/* roulang page: article */
:root{
  --c-primary:#E2622C;
  --c-primary-deep:#B8481C;
  --c-primary-soft:#FBE7DB;
  --c-accent:#1F3D33;
  --c-accent-2:#8E4A6B;
  --c-bg:#FAF6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#F3EBE3;
  --c-text:#221C19;
  --c-text-2:#6B5D55;
  --c-text-3:#9A8C82;
  --c-line:#E7DCD2;
  --c-ok:#2F7A5A;
  --c-warn:#C9891A;
  --c-danger:#C0432F;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-s:0 2px 8px rgba(34,28,25,.06);
  --shadow-m:0 10px 28px rgba(34,28,25,.09);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  text-align:left;
}
h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol{margin:0;}
ul,ol{padding-left:1.25em;}
img{max-width:100%;display:block;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:2px;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;
}
button{font-family:inherit;cursor:pointer;}
input,select,textarea,button{font-size:15px;color:var(--c-text);font-family:inherit;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--alt{background:var(--c-surface);}
.section--tint{background:var(--c-surface-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:32px;line-height:1.28;font-weight:700;letter-spacing:-0.01em;}
.section-head .sub{color:var(--c-text-2);font-size:15px;margin-top:8px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;
  color:var(--c-primary-deep);background:var(--c-primary-soft);border-radius:999px;
  padding:6px 12px;font-weight:600;
}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;line-height:1;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-s);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-m);}
.btn-line{background:transparent;color:var(--c-text);border-color:var(--c-line);}
.btn-line:hover{border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost{background:var(--c-accent);color:#F4EFE8;}
.btn-ghost:hover{background:#16302a;color:#fff;transform:translateY(-1px);}
.btn-text{background:none;border:0;color:var(--c-primary-deep);padding:0;height:auto;font-weight:600;}
.btn-text:hover{color:var(--c-primary);text-decoration:underline;}
.btn[disabled]{opacity:.5;pointer-events:none;}
/* 徽章 */
.badge{
  display:inline-block;font-size:12px;line-height:1.5;padding:6px 10px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600;
}
.badge--ok{background:rgba(47,122,90,.12);color:var(--c-ok);}
.badge--accent{background:rgba(142,74,107,.12);color:var(--c-accent-2);}
.badge--line{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);}
/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-s);}
.header-inner{height:72px;display:flex;align-items:center;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);font-weight:700;font-size:17px;letter-spacing:-0.01em;}
.logo:hover{text-decoration:none;color:var(--c-text);}
.logo-mark{
  width:34px;height:34px;border-radius:50%;flex:0 0 34px;
  background:radial-gradient(circle at 32% 30%,var(--c-primary) 0 42%,var(--c-primary-deep) 43% 100%);
  position:relative;box-shadow:inset 0 0 0 6px rgba(255,255,255,.36);
}
.logo-mark::after{content:"";position:absolute;inset:11px;border-radius:50%;border:2px solid rgba(255,255,255,.85);}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--c-text-3);letter-spacing:.04em;}
.nav-shell{display:flex;align-items:center;flex:1;gap:24px;justify-content:space-between;}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--c-text-2);
}
.nav a:hover{color:var(--c-primary);background:var(--c-surface-2);text-decoration:none;}
.nav a.is-active{color:var(--c-text);}
.nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:2px;background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.city-select{
  height:44px;border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);
  padding:0 34px 0 14px;font-size:14px;font-weight:600;color:var(--c-text-2);
  appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236B5D55' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;
}
.city-select:hover{border-color:var(--c-primary);color:var(--c-primary);}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--c-line);
  background:var(--c-surface);display:inline-flex;align-items:center;justify-content:center;color:var(--c-text-2);
  transition:border-color .2s ease,color .2s ease;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:var(--c-surface);
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-text);margin:4px auto;border-radius:2px;}
/* 移动抽屉 */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:var(--c-surface);
  z-index:90;transform:translateX(104%);transition:transform .28s ease;
  box-shadow:-16px 0 40px rgba(34,28,25,.18);padding:24px;display:flex;flex-direction:column;gap:20px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-close{
  align-self:flex-end;width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:var(--c-surface-2);font-size:18px;line-height:1;color:var(--c-text-2);
}
.drawer nav{display:flex;flex-direction:column;gap:4px;}
.drawer nav a{
  padding:12px 14px;border-radius:var(--r-sm);font-weight:600;color:var(--c-text-2);font-size:15px;
}
.drawer nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.drawer .drawer-foot{border-top:1px solid var(--c-line);padding-top:16px;font-size:13px;color:var(--c-text-3);}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(34,28,25,.42);z-index:85;opacity:0;pointer-events:none;
  transition:opacity .25s ease;
}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto;}
/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span.sep{color:var(--c-text-3);}
/* 标题区 */
.article-head{
  padding:48px 0 40px;
  background:
    radial-gradient(760px 320px at 6% -30%,rgba(226,98,44,.13),transparent 66%),
    radial-gradient(560px 300px at 100% 0%,rgba(31,61,51,.08),transparent 62%),
    var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.article-head h1{
  font-size:38px;line-height:1.28;font-weight:700;letter-spacing:-0.01em;
  margin:14px 0 18px;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  font-size:14px;color:var(--c-text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);display:inline-block;}
.article-meta strong{color:var(--c-text-2);font-weight:600;}
/* 封面 */
.cover-section{padding:40px 0 0;background:var(--c-bg);}
.cover-figure{margin:0;}
.cover-figure .cover-frame{
  width:100%;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--shadow-s);background:var(--c-surface-2);
}
.cover-figure img{width:100%;height:100%;object-fit:cover;}
.cover-figure figcaption{font-size:12px;color:var(--c-text-3);margin-top:12px;line-height:1.5;}
/* 正文布局 */
.article-main{padding:56px 0 72px;background:var(--c-bg);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.article-body{max-width:760px;min-width:0;}
.prose{font-size:17px;line-height:1.9;color:var(--c-text);}
.prose h2{
  font-size:26px;line-height:1.35;font-weight:700;margin:44px 0 16px;
  padding-left:16px;position:relative;letter-spacing:-0.01em;
}
.prose h2:first-child{margin-top:0;}
.prose h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--c-primary);
}
.prose h3{font-size:20px;line-height:1.4;font-weight:600;margin:32px 0 12px;}
.prose h4{font-size:18px;line-height:1.5;font-weight:600;margin:24px 0 10px;}
.prose p{margin:0 0 18px;}
.prose ul,.prose ol{margin:0 0 20px;padding-left:1.35em;}
.prose li{margin:8px 0;}
.prose blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--c-accent);
  background:var(--c-surface-2);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--c-text-2);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose a{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:var(--c-primary);}
.prose img{border-radius:var(--r-md);margin:24px 0;height:auto;}
.prose figure{margin:26px 0;}
.prose figure figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px;line-height:1.6;}
.prose hr{border:0;border-top:1px dashed var(--c-line);margin:36px 0;}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.prose th,.prose td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;}
.prose th{background:var(--c-surface-2);font-weight:600;}
.prose strong{font-weight:700;color:var(--c-text);}
/* 无内容空态 */
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-lg);background:var(--c-surface);
  padding:56px 28px;text-align:center;
}
.empty-state .empty-mark{
  width:56px;height:56px;border-radius:50%;margin:0 auto 18px;
  background:var(--c-primary-soft);position:relative;
}
.empty-state .empty-mark::after{
  content:"";position:absolute;inset:16px;border-radius:50%;
  border:2px dashed var(--c-primary);
}
.empty-state h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:22px;}
/* 侧栏 */
.article-aside{min-width:0;}
.aside-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-s);
}
.aside-card h3{
  font-size:15px;font-weight:700;margin-bottom:14px;letter-spacing:0;
  display:flex;align-items:center;gap:8px;
}
.aside-card h3::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}
.aside-toc{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px;}
.aside-toc a{
  display:block;padding:8px 10px;border-radius:var(--r-sm);font-size:14px;color:var(--c-text-2);
  transition:background .18s ease,color .18s ease;
}
.aside-toc a:hover{background:var(--c-surface-2);color:var(--c-primary-deep);text-decoration:none;}
.aside-hot{list-style:none;padding:0;margin:0;counter-reset:hot;}
.aside-hot li{counter-increment:hot;position:relative;padding-left:30px;margin-bottom:12px;}
.aside-hot li:last-child{margin-bottom:0;}
.aside-hot li::before{
  content:counter(hot);position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:6px;
  background:var(--c-surface-2);color:var(--c-text-2);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.aside-hot a{font-size:14px;line-height:1.6;color:var(--c-text-2);display:block;}
.aside-hot a:hover{color:var(--c-primary);text-decoration:none;}
.safety-card{background:var(--c-accent);border-color:transparent;color:#E8DFD6;}
.safety-card h3{color:#fff;}
.safety-card h3::before{background:var(--c-primary);}
.safety-card ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.safety-card li{font-size:14px;line-height:1.7;color:rgba(232,223,214,.88);}
.safety-card li strong{display:block;color:#fff;font-weight:600;font-size:14px;}
/* 要点总结 */
.points-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-s);max-width:820px;
}
.points-card .points-label{
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-primary-deep);
  background:var(--c-primary-soft);border-radius:999px;padding:5px 12px;display:inline-block;margin-bottom:18px;
}
.points-card h2{font-size:24px;font-weight:700;margin-bottom:18px;}
.points-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px;}
.points-list li{
  display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--c-text-2);
  padding-bottom:14px;border-bottom:1px dashed var(--c-line);
}
.points-list li:last-child{border-bottom:0;padding-bottom:0;}
.points-list .num{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;border:1px solid var(--c-primary);
  color:var(--c-primary-deep);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-top:4px;
}
/* 作者卡 */
.author-card{
  display:flex;gap:20px;align-items:flex-start;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-s);
  max-width:820px;margin-top:24px;
}
.author-avatar{
  flex:0 0 56px;width:56px;height:56px;border-radius:50%;
  background:radial-gradient(circle at 34% 30%,var(--c-primary) 0 46%,var(--c-primary-deep) 47% 100%);
  color:#fff;font-weight:700;font-size:20px;display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 5px rgba(255,255,255,.32);
}
.author-card h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.author-card p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-bottom:14px;}
/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:#DDCDBE;}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:17px;line-height:1.5;font-weight:600;}
.post-card h3 a{color:var(--c-text);}
.post-card:hover h3 a{color:var(--c-primary);text-decoration:none;}
.post-card p{font-size:14px;color:var(--c-text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:12px;border-top:1px dashed var(--c-line);font-size:12px;color:var(--c-text-3);
}
/* 上一篇下一篇 */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.post-nav-item{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.post-nav-item:hover{border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--shadow-s);text-decoration:none;}
.post-nav-item .label{font-size:12px;color:var(--c-text-3);display:flex;align-items:center;gap:6px;margin-bottom:8px;}
.post-nav-item .title{font-size:16px;font-weight:600;color:var(--c-text);line-height:1.55;}
.post-nav-item:hover .title{color:var(--c-primary);}
.post-nav-item.next{text-align:right;}
.post-nav-item.next .label{justify-content:flex-end;}
/* 评论占位 */
.comment-box{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-s);
}
.comment-form{display:grid;gap:14px;}
.comment-form .row-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-text-2);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-sm);background:var(--c-surface);
  padding:11px 14px;line-height:1.6;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:120px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3);}
.field input:focus,.field textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(226,98,44,.14);outline:none;
}
.comment-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.comment-actions .hint{font-size:12px;color:var(--c-text-3);}
.comment-empty{
  margin-top:22px;padding:26px;border:1px dashed var(--c-line);border-radius:var(--r-md);
  text-align:center;color:var(--c-text-3);font-size:14px;background:var(--c-surface-2);
}
/* 页脚 */
.site-footer{background:var(--c-accent);color:#E8DFD6;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(232,223,214,.16);}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-logo .logo-mark{flex:0 0 30px;width:30px;height:30px;box-shadow:inset 0 0 0 5px rgba(255,255,255,.26);}
.footer-logo .logo-mark::after{inset:9px;}
.site-footer p{font-size:13.5px;line-height:1.85;color:rgba(232,223,214,.78);}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.site-footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.site-footer ul a{font-size:13.5px;color:rgba(232,223,214,.8);}
.site-footer ul a:hover{color:var(--c-primary);text-decoration:none;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding-top:22px;font-size:12px;color:rgba(232,223,214,.62);line-height:1.7;
}
/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary-deep);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-m);
  opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;z-index:70;
}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-2px);color:var(--c-primary);}
/* 响应式 */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px;}
  .article-head h1{font-size:34px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .aside-sticky{position:static;}
  .article-body{max-width:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .nav,.header-actions .city-select,.header-actions .btn-primary{display:none;}
  .menu-toggle{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;}
  .article-head{padding:36px 0 32px;}
  .article-head h1{font-size:30px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:24px;}
  .header-inner{height:60px;gap:12px;}
  .logo{font-size:15px;}
  .logo-text small{display:none;}
  .article-head h1{font-size:26px;line-height:1.34;}
  .article-main{padding:36px 0 56px;}
  .prose{font-size:16px;line-height:1.85;}
  .prose h2{font-size:21px;margin:32px 0 14px;}
  .prose h3{font-size:18px;}
  .cover-frame{border-radius:var(--r-md)!important;}
  .related-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-item.next{text-align:left;}
  .post-nav-item.next .label{justify-content:flex-start;}
  .comment-form .row-2{grid-template-columns:1fr;}
  .points-card,.author-card,.comment-box{padding:22px;}
  .author-card{flex-direction:column;gap:14px;}
  .btn{height:48px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:26px;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:480px){
  .article-head h1{font-size:23px;}
  .article-meta{font-size:13px;gap:6px 12px;}
  .btn{width:100%;}
  .post-card .body{padding:16px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --c-primary:#E2622C;
  --c-primary-deep:#B8481C;
  --c-primary-soft:#FBE7DB;
  --c-accent:#1F3D33;
  --c-accent-2:#8E4A6B;
  --c-bg:#FAF6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#F3EBE3;
  --c-text:#221C19;
  --c-text-2:#6B5D55;
  --c-text-3:#9A8C82;
  --c-line:#E7DCD2;
  --c-ok:#2F7A5A;
  --c-warn:#C9891A;
  --c-danger:#C0432F;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-s:0 2px 8px rgba(34,28,25,.06);
  --shadow-m:0 10px 28px rgba(34,28,25,.09);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  text-align:left;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;}
h1{font-size:44px;line-height:1.22;}
h2{font-size:32px;line-height:1.28;}
h3{font-size:22px;line-height:1.4;font-weight:600;}
h4{font-size:18px;line-height:1.5;font-weight:600;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
input,select,button{font-size:15px;color:var(--c-text);font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--alt{background:var(--c-surface);}
.section--tint{background:var(--c-surface-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:32px;}
.section-head .sub{color:var(--c-text-2);font-size:15px;margin-top:8px;max-width:660px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--c-primary-deep);
  background:var(--c-primary-soft);border-radius:999px;padding:6px 12px;font-weight:600;
}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-s);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-m);}
.btn-primary:active{transform:translateY(0);}
.btn-line{background:transparent;color:var(--c-text);border-color:var(--c-line);}
.btn-line:hover{border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost{background:var(--c-accent);color:#F4EFE8;}
.btn-ghost:hover{background:#16302a;color:#fff;transform:translateY(-1px);}
.btn-text{background:none;border:0;color:var(--c-primary-deep);padding:0;height:auto;font-weight:600;}
.btn-text:hover{color:var(--c-primary);text-decoration:underline;}
.btn[disabled]{opacity:.5;pointer-events:none;}
/* 徽章 */
.badge{
  display:inline-block;font-size:12px;line-height:1.5;padding:6px 10px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600;
}
.badge--ok{background:rgba(47,122,90,.12);color:var(--c-ok);}
.badge--accent{background:rgba(142,74,107,.12);color:var(--c-accent-2);}
.badge--line{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);}
/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-s);}
.header-inner{height:72px;display:flex;align-items:center;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);font-weight:700;font-size:17px;letter-spacing:-0.01em;flex:0 0 auto;}
.logo:hover{text-decoration:none;color:var(--c-text);}
.logo-mark{
  width:34px;height:34px;border-radius:50%;flex:0 0 34px;
  background:radial-gradient(circle at 32% 30%,var(--c-primary) 0 42%,var(--c-primary-deep) 43% 100%);
  position:relative;box-shadow:inset 0 0 0 6px rgba(255,255,255,.36);
}
.logo-mark::after{
  content:"";position:absolute;inset:11px;border-radius:50%;
  border:2px solid rgba(255,255,255,.85);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--c-text-3);letter-spacing:.04em;}
.nav-shell{display:flex;align-items:center;flex:1;gap:24px;justify-content:space-between;min-width:0;}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--c-text-2);
}
.nav a:hover{color:var(--c-primary);background:var(--c-surface-2);text-decoration:none;}
.nav a.is-active{color:var(--c-text);}
.nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:2px;background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.city-select{
  height:44px;border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);
  padding:0 34px 0 14px;font-size:14px;font-weight:600;color:var(--c-text-2);
  appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236B5D55' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;
  transition:border-color .18s ease,color .18s ease;
}
.city-select:hover{border-color:var(--c-primary);color:var(--c-primary);}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--c-line);
  background:var(--c-surface);display:inline-flex;align-items:center;justify-content:center;color:var(--c-text-2);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:var(--c-surface);padding:0;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-text);margin:4px auto;border-radius:2px;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;background:var(--c-surface);
  z-index:80;transform:translateX(102%);transition:transform .26s ease;padding:22px;overflow-y:auto;
  box-shadow:var(--shadow-m);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-nav{display:grid;gap:6px;margin-bottom:20px;}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-sm);font-weight:600;color:var(--c-text-2);background:var(--c-surface-2);}
.drawer-nav a.is-active{color:var(--c-primary-deep);background:var(--c-primary-soft);}
.drawer-cta{width:100%;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(34,28,25,.42);z-index:70;opacity:0;pointer-events:none;
  transition:opacity .26s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
/* 分类标题带 */
.cat-hero{background:var(--c-surface-2);border-bottom:1px solid var(--c-line);padding:56px 0 48px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--c-text-2);font-weight:600;}
.breadcrumb span.sep{color:var(--c-text-3);}
.cat-hero-grid{display:grid;grid-template-columns:1fr 312px;gap:44px;align-items:end;}
.cat-hero h1{font-size:38px;line-height:1.26;margin:14px 0 16px;}
.cat-hero h1 em{font-style:normal;color:var(--c-primary-deep);}
.cat-lead{color:var(--c-text-2);font-size:15.5px;max-width:720px;margin-bottom:10px;}
.cat-stat{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:var(--shadow-s);display:grid;gap:14px;
}
.stat-item{display:flex;align-items:baseline;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--c-line);padding-bottom:12px;}
.stat-item:last-child{border-bottom:0;padding-bottom:0;}
.stat-num{font-size:26px;font-weight:700;color:var(--c-primary-deep);letter-spacing:-0.02em;line-height:1.2;}
.stat-num small{font-size:13px;font-weight:600;color:var(--c-text-2);margin-left:2px;}
.stat-label{font-size:13px;color:var(--c-text-2);}
/* 筛选工具条 */
.filter-bar{
  position:sticky;top:72px;z-index:40;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.filter-bar.is-stuck{box-shadow:var(--shadow-s);}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0;flex-wrap:wrap;}
.filter-left{display:flex;align-items:center;gap:14px;flex-wrap:wrap;min-width:0;}
.filter-right{display:flex;align-items:center;gap:10px;}
.filter-right label{font-size:13px;color:var(--c-text-3);font-weight:600;}
.sort-select{
  height:38px;border:1px solid var(--c-line);border-radius:var(--r-sm);background:var(--c-surface);
  padding:0 32px 0 12px;font-size:13.5px;font-weight:600;color:var(--c-text-2);appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236B5D55' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;
}
.sort-select:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chips{display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-surface);font-size:13.5px;font-weight:600;color:var(--c-text-2);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
/* 列表 */
.post-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.post-card{
  display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--shadow-s);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.post-card:hover{
  box-shadow:var(--shadow-m);transform:translateY(-2px);border-color:#DCC9BA;text-decoration:none;
}
.post-thumb{
  width:100%;aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:var(--c-surface-2);
}
.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{min-width:0;display:flex;flex-direction:column;}
.post-body h3{font-size:17px;line-height:1.45;margin:8px 0;color:var(--c-text);transition:color .18s ease;}
.post-card:hover .post-body h3{color:var(--c-primary-deep);}
.post-body p{
  font-size:14px;color:var(--c-text-2);line-height:1.72;margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--c-text-3);margin-top:auto;}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-text-3);display:inline-block;}
.post-city{font-weight:600;color:var(--c-text-2);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:60px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-lg);
}
.empty-illust{
  width:88px;height:88px;margin:0 auto 20px;border-radius:50%;
  background:radial-gradient(circle at 34% 30%,var(--c-primary-soft),#F6DDCB);
  position:relative;box-shadow:inset 0 0 0 1px rgba(226,98,44,.18);
}
.empty-illust::after{
  content:"";position:absolute;inset:26px;border-radius:8px;
  border:2px dashed rgba(184,72,28,.45);
}
.empty-state h3{font-size:18px;margin-bottom:8px;}
.empty-state p{color:var(--c-text-2);font-size:14.5px;margin-bottom:20px;}
/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-block;padding:8px 16px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-surface);font-size:14px;font-weight:600;color:var(--c-text-2);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.tag.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
/* 说明块 */
.info-block{display:grid;grid-template-columns:1fr 1fr;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--shadow-s);overflow:hidden;}
.info-col{padding:34px 36px;}
.info-col:first-child{border-right:1px dashed var(--c-line);}
.info-col h3{font-size:19px;margin-bottom:14px;padding-left:12px;border-left:4px solid var(--c-primary);line-height:1.3;}
.info-col p{font-size:15px;color:var(--c-text-2);line-height:1.85;}
/* FAQ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start;}
.faq-aside h2{font-size:28px;margin-bottom:12px;}
.faq-aside p{font-size:15px;color:var(--c-text-2);}
.faq{display:grid;gap:12px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .2s ease;}
.faq-item.is-open{box-shadow:var(--shadow-s);border-color:#DCC9BA;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);
}
.faq-q:hover{color:var(--c-primary-deep);}
.faq-icon{width:18px;height:18px;flex:0 0 18px;position:relative;transition:transform .22s ease;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;transition:opacity .22s ease;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;padding:0 20px 18px;border-top:1px solid var(--c-line);padding-top:14px;margin:0;}
/* 相关文章 */
.relate-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.relate-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-s);transition:box-shadow .22s ease,transform .22s ease;
}
.relate-card:hover{box-shadow:var(--shadow-m);transform:translateY(-2px);text-decoration:none;}
.relate-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);}
.relate-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.relate-card:hover .relate-thumb img{transform:scale(1.03);}
.relate-body{padding:16px 18px 20px;}
.relate-body h3{font-size:16px;line-height:1.5;color:var(--c-text);margin:10px 0 8px;transition:color .18s ease;}
.relate-card:hover .relate-body h3{color:var(--c-primary-deep);}
.relate-body p{font-size:13.5px;color:var(--c-text-2);line-height:1.7;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
/* 转化条 */
.cta-strip{
  background:var(--c-primary-soft);border:1px solid #F3D6C4;border-radius:var(--r-lg);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-strip h2{font-size:26px;margin-bottom:8px;}
.cta-strip p{font-size:15px;color:var(--c-text-2);max-width:620px;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* 页脚 */
.site-footer{background:var(--c-accent);color:#E8DFD6;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(232,223,214,.16);}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.site-footer p{font-size:14px;line-height:1.85;color:#C9BEB4;margin:0;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.site-footer ul{display:grid;gap:10px;}
.site-footer ul a{color:#C9BEB4;font-size:14px;}
.site-footer ul a:hover{color:var(--c-primary);text-decoration:none;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:12.5px;color:#A99C92;line-height:1.7;
}
.footer-bottom span{max-width:760px;}
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary-deep);
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-m);
  opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:50;font-size:16px;font-weight:700;
}
.to-top.is-on{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-2px);color:#fff;background:var(--c-primary);border-color:var(--c-primary);}
/* 响应式 */
@media (max-width:1199px){
  .cat-hero h1{font-size:34px;}
  .hero-grid{grid-template-columns:1fr;}
  .post-card{grid-template-columns:150px minmax(0,1fr);}
  .post-thumb{width:150px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .cat-hero{padding:44px 0 38px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:26px;align-items:start;}
  .cat-hero h1{font-size:30px;}
  .cat-stat{grid-template-columns:repeat(3,1fr);gap:12px;}
  .stat-item{flex-direction:column;align-items:flex-start;gap:2px;border-bottom:0;border-right:1px dashed var(--c-line);padding:0 12px 0 0;}
  .stat-item:last-child{border-right:0;}
  .post-list{grid-template-columns:1fr;}
  .info-block{grid-template-columns:1fr;}
  .info-col:first-child{border-right:0;border-bottom:1px dashed var(--c-line);}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .relate-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .filter-bar{top:64px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{height:60px;gap:12px;}
  .nav-shell{display:none;}
  .menu-toggle{display:inline-block;}
  .header-actions .city-select,
  .header-actions .icon-btn,
  .header-actions .btn-primary{display:none;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .section{padding:48px 0;}
  .cat-hero h1{font-size:26px;}
  .cat-lead{font-size:15px;}
  .post-card{grid-template-columns:1fr;gap:14px;padding:16px;}
  .post-thumb{width:100%;aspect-ratio:16/10;}
  .relate-grid{grid-template-columns:1fr;}
  .info-col{padding:24px 20px;}
  .cta-strip{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;}
  .chips::-webkit-scrollbar{display:none;}
  .chip{flex:0 0 auto;}
  .tag-cloud{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;}
  .tag-cloud::-webkit-scrollbar{display:none;}
  .tag{flex:0 0 auto;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:480px){
  .cat-hero h1{font-size:23px;}
  .cat-stat{grid-template-columns:1fr;gap:10px;}
  .stat-item{flex-direction:row;align-items:baseline;justify-content:space-between;border-right:0;border-bottom:1px dashed var(--c-line);padding:0 0 10px;}
  .stat-item:last-child{border-bottom:0;padding-bottom:0;}
  .btn{height:48px;}
  .faq-q{font-size:15px;padding:14px 16px;}
  .footer-logo{font-size:15px;}
}