/* roulang page: index */
:root{
  --c-primary:#B25037;
  --c-primary-deep:#7E3826;
  --c-accent:#3F7A6E;
  --c-accent-soft:#E4EDE9;
  --c-warm:#E8B86A;
  --c-bg:#FAF6F1;
  --c-surface:#FFFFFF;
  --c-line:#E8DFD4;
  --c-ink:#2B2320;
  --c-ink-2:#6B5E56;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --shadow-1:0 2px 8px rgba(43,35,32,.06);
  --shadow-2:0 10px 28px rgba(43,35,32,.10);
  --max:1200px;
  --ease:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,246,241,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--c-line);box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-primary);color:#fff;
  font-size:17px;font-weight:700;letter-spacing:1px;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.5px}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--c-ink-2);letter-spacing:.6px}
.site-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.site-nav a{
  padding:8px 13px;border-radius:var(--r-btn);
  font-size:14.5px;color:var(--c-ink-2);
  transition:background var(--ease),color var(--ease);
}
.site-nav a:hover{background:#F1E9E0;color:var(--c-ink)}
.site-nav a.active{color:var(--c-primary);font-weight:600;background:#F6EBE4}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.city-pick{
  font-size:13.5px;color:var(--c-ink-2);
  border:1px solid var(--c-line);border-radius:999px;
  padding:7px 14px;background:var(--c-surface);
  transition:border-color var(--ease),color var(--ease);
}
.city-pick:hover{border-color:var(--c-accent);color:var(--c-accent)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-line{background:transparent;border:1px solid var(--c-primary);color:var(--c-primary);height:40px;padding:0 18px}
.btn-line:hover{background:#F7EAE4;transform:translateY(-1px)}
.btn-plain{background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink)}
.btn-plain:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:var(--c-surface);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:16px;height:1.6px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--c-ink)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ============ hero ============ */
.hero{padding:56px 0 72px;background:
  radial-gradient(1200px 420px at 78% -10%,#EFE3D8 0%,rgba(239,227,216,0) 62%),
  var(--c-bg);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1px;color:var(--c-accent);
  background:var(--c-accent-soft);border-radius:999px;padding:6px 14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.hero h1{
  font-size:44px;line-height:1.28;font-weight:700;letter-spacing:-.5px;
  margin:18px 0 0;overflow-wrap:break-word;
}
.hero h1 .hl{color:var(--c-primary)}
.hero-sub{color:var(--c-ink-2);font-size:16.5px;margin-top:18px;max-width:560px}
.hero-search{
  display:flex;gap:10px;margin-top:26px;flex-wrap:wrap;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:16px;padding:10px;box-shadow:var(--shadow-1);
}
.hero-search select,.hero-search input{
  height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 14px;background:var(--c-surface);font-size:14.5px;min-width:0;
}
.hero-search select{flex:0 0 132px;cursor:pointer}
.hero-search input{flex:1 1 200px}
.hero-search select:focus,.hero-search input:focus{border-color:var(--c-accent);outline:none;box-shadow:0 0 0 3px rgba(63,122,110,.14)}
.hero-search .btn{flex:0 0 auto}
.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.hero-tags a{
  font-size:13px;color:var(--c-ink-2);
  border:1px solid var(--c-line);border-radius:999px;
  padding:5px 13px;background:var(--c-surface);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.hero-tags a:hover{color:var(--c-accent);border-color:var(--c-accent);background:var(--c-accent-soft)}
.hero-media{position:relative}
.hero-media .frame{
  position:relative;aspect-ratio:16/9;border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-2);background:#DED2C6;
}
.hero-media .frame img{width:100%;height:100%;object-fit:cover}
.hero-media .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(43,35,32,0) 55%,rgba(43,35,32,.42) 100%);
}
.hero-media .frame .cap{
  position:absolute;left:18px;bottom:14px;z-index:2;
  color:#fff;font-size:13px;letter-spacing:.5px;
}
.float-card{
  position:absolute;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:12px;box-shadow:var(--shadow-2);padding:12px 16px;
}
.float-card b{display:block;font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--c-primary);line-height:1.3}
.float-card small{display:block;font-size:12px;color:var(--c-ink-2);letter-spacing:.3px}
.fc-1{top:-22px;right:-14px}
.fc-2{bottom:-26px;left:-18px}
.fc-2 b{color:var(--c-accent)}

/* ============ sections ============ */
.section{padding:88px 0}
.section--white{background:var(--c-surface)}
.section--mint{background:var(--c-accent-soft)}
.section--plain{background:var(--c-bg)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head .kicker{font-size:12.5px;letter-spacing:2px;color:var(--c-accent);font-weight:600}
.section-head h2{font-size:28px;line-height:1.4;margin-top:10px;font-weight:700}
.section-head p{color:var(--c-ink-2);margin-top:12px;font-size:15.5px}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* filter chips */
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;padding:6px 0 12px;
  scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:9px 20px;border-radius:999px;font-size:14px;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);
  transition:all var(--ease);
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 22px;
  transition:box-shadow var(--ease),transform var(--ease);
}
.stat-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.stat-card b{display:block;font-size:32px;line-height:1.2;font-weight:700;font-variant-numeric:tabular-nums;color:var(--c-ink)}
.stat-card b i{font-style:normal;font-size:16px;color:var(--c-ink-2);margin-left:2px;font-weight:600}
.stat-card span{display:block;font-size:13px;color:var(--c-ink-2);margin-top:8px}

/* cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DCCFC0}
.card-media{display:block;aspect-ratio:4/3;overflow:hidden;background:#E7DCD0}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-top{display:flex;gap:8px;flex-wrap:wrap}
.badge{
  display:inline-block;font-size:12px;line-height:1;padding:5px 9px;border-radius:var(--r-badge);
  background:var(--c-accent-soft);color:#2C5C52;font-weight:600;
}
.badge-warm{background:#F8EBD3;color:#7A5620}
.card h3{font-size:17px;line-height:1.5;font-weight:700}
.card .meta-line{font-size:13.5px;color:var(--c-ink-2)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:2px}
.tag-row span{
  font-size:12px;color:var(--c-ink-2);background:#F5EFE7;
  border-radius:999px;padding:4px 10px;
}
.link-arrow{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-accent);
  border-bottom:1px solid rgba(63,122,110,.35);align-self:flex-start;
  padding-bottom:2px;transition:color var(--ease),border-color var(--ease);
}
.link-arrow::after{content:"→";font-size:13px}
.link-arrow:hover{color:var(--c-primary);border-color:var(--c-primary)}

/* topic grid */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.topic-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px 20px 20px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.topic-icon{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:var(--c-accent-soft);color:var(--c-accent);font-size:15px;font-weight:700;
  margin-bottom:14px;
}
.topic-card h3{font-size:16px;font-weight:700}
.topic-card p{font-size:13.5px;color:var(--c-ink-2);margin-top:6px;line-height:1.6}
.topic-count{
  position:absolute;top:18px;right:18px;font-size:12px;color:#8A7A6E;
  font-variant-numeric:tabular-nums;
}
.topic-card--enter{
  background:linear-gradient(160deg,#B25037 0%,#7E3826 100%);
  border-color:transparent;color:#fff;display:flex;flex-direction:column;justify-content:space-between;
}
.topic-card--enter .topic-icon{background:rgba(255,255,255,.18);color:#fff}
.topic-card--enter h3{color:#fff}
.topic-card--enter p{color:rgba(255,255,255,.82)}
.topic-card--enter .link-arrow{color:#fff;border-color:rgba(255,255,255,.5)}
.topic-card--enter .link-arrow:hover{color:#fff;border-color:#fff}

/* cms list */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:transform var(--ease),box-shadow var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.post-link{display:block;padding:22px 22px 20px;height:100%}
.post-card h3{
  font-size:16.5px;line-height:1.55;font-weight:700;margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card p{
  font-size:13.5px;color:var(--c-ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-date{display:block;font-size:13px;color:#8A7A6E;margin-top:14px;font-variant-numeric:tabular-nums}
.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:46px 24px;text-align:center;color:var(--c-ink-2);font-size:14.5px;
}
.empty-state .btn{margin-top:16px}

/* knowledge */
.knowledge-list{display:flex;flex-direction:column;gap:18px}
.knowledge-item{
  display:grid;grid-template-columns:96px 1fr auto;gap:22px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 22px;transition:transform var(--ease),box-shadow var(--ease);
}
.knowledge-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.knowledge-item .thumb{width:96px;height:96px;border-radius:var(--r-img);overflow:hidden;background:#E7DCD0}
.knowledge-item .thumb img{width:100%;height:100%;object-fit:cover}
.knowledge-item h3{font-size:17px;font-weight:700}
.knowledge-item p{font-size:14px;color:var(--c-ink-2);margin-top:8px;line-height:1.7}

/* price */
.price-board{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.price-note{
  font-size:13px;color:var(--c-ink-2);background:#FBF6F0;
  padding:14px 24px;border-bottom:1px solid var(--c-line);
}
.price-row{
  display:grid;grid-template-columns:110px 1fr 190px 130px;gap:16px;align-items:center;
  padding:18px 24px;border-bottom:1px solid var(--c-line);
  transition:background var(--ease);
}
.price-row:last-child{border-bottom:0}
.price-row:hover{background:#FCF8F4}
.price-city{font-weight:700;font-size:15px}
.price-item{font-size:14.5px;color:var(--c-ink-2)}
.price-val{font-size:16px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums}
.price-date{font-size:13px;color:#8A7A6E;font-variant-numeric:tabular-nums}

/* compliance */
.compliance{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.compliance h2{font-size:28px;line-height:1.4;font-weight:700}
.compliance .lead{color:var(--c-ink-2);margin-top:16px;font-size:15.5px}
.check-list{display:grid;gap:18px}
.check-item{display:grid;grid-template-columns:36px 1fr;gap:16px;align-items:start}
.check-num{
  width:34px;height:34px;border-radius:50%;border:1.5px solid var(--c-accent);
  color:var(--c-accent);display:grid;place-items:center;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;background:rgba(255,255,255,.6);
}
.check-item h3{font-size:15.5px;font-weight:700}
.check-item p{font-size:13.8px;color:var(--c-ink-2);margin-top:4px;line-height:1.7}

/* map */
.map-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:44px;align-items:center}
.city-groups{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.city-group h4{font-size:13px;letter-spacing:2px;color:var(--c-accent);font-weight:700;margin-bottom:10px}
.city-group li{font-size:14.5px;color:var(--c-ink-2);line-height:2.1;display:flex;justify-content:space-between;gap:10px}
.city-group li em{font-style:normal;color:#9A8A7D;font-size:12.5px;font-variant-numeric:tabular-nums}
.map-figure{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-2);background:#E7DCD0}
.map-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.map-caption{font-size:13px;color:var(--c-ink-2);margin-top:14px;line-height:1.8}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step-num{
  width:32px;height:32px;border-radius:50%;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:16px;font-weight:700}
.step p{font-size:13.8px;color:var(--c-ink-2);margin-top:8px;line-height:1.7}

/* pro zone */
.pro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pro-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pro-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DCCFC0}
.pro-card h3{font-size:17px;font-weight:700;margin-top:14px}
.pro-card p{font-size:13.8px;color:var(--c-ink-2);margin-top:8px;line-height:1.7}
.pro-cta{
  margin-top:24px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:#F6EFE7;border-radius:var(--r-card);padding:22px 26px;flex-wrap:wrap;
}
.pro-cta p{font-size:14.5px;color:var(--c-ink-2)}

/* faq */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--c-primary)}
.faq-q .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform var(--ease);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--c-accent);border-radius:2px;
}
.faq-q .plus::before{left:0;top:10px;width:22px;height:2px}
.faq-q .plus::after{left:10px;top:0;width:2px;height:22px}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 180ms ease}
.faq-a p{
  padding:0 22px 20px;font-size:14px;color:var(--c-ink-2);line-height:1.8;
  border-top:1px solid transparent;
}
.faq-item.open .faq-a p{border-top-color:var(--c-line);padding-top:16px}

/* reviews */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{
  background:#FBF5EE;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 24px 22px;position:relative;
}
.review .quote{font-size:30px;line-height:1;color:var(--c-warm);font-family:Georgia,serif}
.review p{font-size:14.5px;color:#4A3E37;line-height:1.85;margin-top:10px}
.review .who{
  margin-top:16px;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--c-ink-2);
}
.review .who span.dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}

/* form */
.publish{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:18px;
  padding:32px;box-shadow:var(--shadow-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--c-ink)}
.field input,.field select,.field textarea{
  height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 14px;background:#FDFBF8;font-size:14.5px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:118px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(107,94,86,.6)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(63,122,110,.14);
}
.form-tip{font-size:12.5px;color:var(--c-ink-2);margin-top:14px}
.side-note{background:var(--c-accent-soft);border-radius:18px;padding:30px 28px}
.side-note h3{font-size:18px;font-weight:700}
.side-note ul{margin-top:16px;display:grid;gap:12px}
.side-note li{font-size:14px;color:#3A514C;display:flex;gap:10px;line-height:1.75}
.side-note li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-top:9px}
.side-note .hours{
  margin-top:22px;padding-top:18px;border-top:1px solid rgba(63,122,110,.25);
  font-size:13.5px;color:#3A514C;
}

/* footer */
.site-footer{background:#2B2320;color:#E8DFD4;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--c-warm);color:#2B2320;box-shadow:none}
.footer-brand strong{color:#fff;font-size:17px;letter-spacing:.5px}
.footer-brand em{font-style:normal;display:block;font-size:11.5px;color:#A79789;letter-spacing:.6px}
.site-footer p.desc{font-size:13.5px;line-height:1.9;color:#BDAF9F;max-width:320px}
.site-footer h4{font-size:13px;letter-spacing:2px;color:#fff;margin-bottom:16px;font-weight:700}
.site-footer li{margin-bottom:10px}
.site-footer li a{font-size:13.5px;color:#BDAF9F;transition:color var(--ease)}
.site-footer li a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact{font-size:13.5px;color:#BDAF9F;line-height:2}
.footer-bottom{
  border-top:1px solid rgba(232,223,212,.14);padding:20px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#8F8175;
}

/* ============ responsive ============ */
@media (max-width:1024px){
  .hero{padding:40px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero h1{font-size:36px}
  .hero-media{max-width:620px}
  .section{padding:64px 0}
  .grid-3,.post-grid,.pro-grid,.reviews{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .topic-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .compliance,.map-wrap,.publish{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .price-row{grid-template-columns:90px 1fr 150px;row-gap:6px}
  .price-date{grid-column:1/-1}
}
@media (max-width:880px){
  .site-nav{
    position:fixed;left:0;right:0;top:68px;bottom:0;
    background:var(--c-surface);flex-direction:column;align-items:stretch;
    padding:22px 24px;gap:20px;display:none;margin-left:0;
    border-top:1px solid var(--c-line);overflow-y:auto;
  }
  body.nav-open .site-nav{display:flex}
  .site-nav a{padding:12px 4px;border-bottom:1px solid var(--c-line);border-radius:0;font-size:16px}
  .site-nav a.active{background:transparent;color:var(--c-primary)}
  .nav-toggle{display:inline-flex}
  .city-pick{display:none}
  .header-actions .btn-line{height:38px;padding:0 14px;font-size:13.5px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .header-inner{height:62px;gap:12px}
  .site-nav{top:62px}
  .hero{padding:34px 0 48px}
  .hero h1{font-size:30px;line-height:1.34}
  .hero-sub{font-size:15px}
  .hero-search{padding:12px;gap:10px}
  .hero-search select{flex:1 1 100%}
  .hero-search input{flex:1 1 100%}
  .hero-search .btn{flex:1 1 100%}
  .fc-1{top:-14px;right:6px;padding:10px 12px}
  .fc-2{bottom:-18px;left:8px;padding:10px 12px}
  .float-card b{font-size:17px}
  .section{padding:48px 0}
  .section-head h2,.compliance h2{font-size:22px}
  .grid-3,.post-grid,.pro-grid,.reviews,.topic-grid,.steps,.stats,.city-groups,.footer-grid{grid-template-columns:1fr}
  .knowledge-item{grid-template-columns:64px 1fr;gap:14px}
  .knowledge-item .thumb{width:64px;height:64px}
  .knowledge-item .link-arrow{grid-column:1/-1;margin-top:4px}
  .price-row{grid-template-columns:1fr;gap:4px;padding:16px 18px}
  .price-val{font-size:15px}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:24px 20px}
  .side-note{padding:24px 20px}
  .pro-cta{padding:18px 20px}
  .footer-grid{padding-bottom:32px}
  .footer-bottom{justify-content:flex-start}
}

/* roulang page: category1 */
:root{
  --c-primary:#B25037;
  --c-primary-deep:#7E3826;
  --c-accent:#3F7A6E;
  --c-accent-soft:#E4EDE9;
  --c-warm:#E8B86A;
  --c-bg:#FAF6F1;
  --c-surface:#FFFFFF;
  --c-line:#E8DFD4;
  --c-ink:#2B2320;
  --c-ink-2:#6B5E56;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --shadow-1:0 2px 8px rgba(43,35,32,.06);
  --shadow-2:0 10px 28px rgba(43,35,32,.10);
  --max:1200px;
  --ease:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,246,241,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--c-line);box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-primary);color:#fff;
  font-size:17px;font-weight:700;letter-spacing:1px;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.5px}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--c-ink-2);letter-spacing:.6px}
.site-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.site-nav a{
  padding:8px 13px;border-radius:var(--r-btn);
  font-size:14.5px;color:var(--c-ink-2);
  transition:background var(--ease),color var(--ease);
}
.site-nav a:hover{background:#F1E9E0;color:var(--c-ink)}
.site-nav a.active{color:var(--c-primary);font-weight:600;background:#F6EBE4}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-line{background:transparent;border:1px solid var(--c-primary);color:var(--c-primary);height:40px;padding:0 18px}
.btn-line:hover{background:#F7EAE4;transform:translateY(-1px)}
.btn-plain{background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink)}
.btn-plain:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.city-pick{
  height:40px;padding:0 15px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:13.5px;color:var(--c-ink-2);
  transition:border-color var(--ease),color var(--ease);
}
.city-pick:hover{border-color:var(--c-accent);color:var(--c-accent)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:var(--c-surface);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:16px;height:1.6px;background:var(--c-ink);position:relative;transition:background var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--c-ink);transition:transform var(--ease)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-toggle.active span{background:transparent}
.nav-toggle.active span::before{transform:rotate(45deg) translateY(5px)}
.nav-toggle.active span::after{transform:rotate(-45deg) translateY(-5px)}

/* ============ category hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:34px 0 44px;
  background:linear-gradient(180deg,#F7EFE6 0%,#FAF6F1 100%);
  border-bottom:1px solid var(--c-line);
}
.cat-wave{position:absolute;left:0;right:0;bottom:-6px;width:100%;height:110px;pointer-events:none}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2);flex-wrap:wrap;position:relative;z-index:2}
.crumb a{color:var(--c-ink-2);transition:color var(--ease)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#C4B7AA}
.crumb .now{color:var(--c-ink);font-weight:600}
.cat-hero h1{
  position:relative;z-index:2;
  font-size:34px;line-height:1.34;font-weight:700;letter-spacing:-.3px;
  margin-top:16px;max-width:880px;overflow-wrap:break-word;
}
.cat-hero h1 .hl{color:var(--c-primary)}
.cat-sub{
  position:relative;z-index:2;
  margin-top:14px;max-width:820px;color:var(--c-ink-2);font-size:15.5px;
}
.cat-meta{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;
}
.cat-meta span{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--c-ink-2);
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:999px;padding:6px 14px;
}
.cat-meta b{color:var(--c-primary);font-weight:700;font-variant-numeric:tabular-nums}
.filter-bar{
  position:relative;z-index:2;
  display:flex;gap:9px;margin-top:22px;flex-wrap:wrap;
}
.chip{
  font-size:13.5px;color:var(--c-ink-2);
  border:1px solid var(--c-line);border-radius:999px;
  padding:7px 16px;background:var(--c-surface);
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.chip:hover{color:var(--c-accent);border-color:var(--c-accent);transform:translateY(-1px)}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}

/* ============ generic section ============ */
.section{padding:76px 0}
.section-alt{background:var(--c-surface)}
.section-soft{background:var(--c-accent-soft)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{
  font-size:27px;line-height:1.42;font-weight:700;letter-spacing:-.2px;
}
.section-head p{margin-top:12px;color:var(--c-ink-2);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1px;color:var(--c-accent);
  background:var(--c-accent-soft);border-radius:999px;padding:6px 14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}

/* ============ entry list ============ */
.entry-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.entry-card{
  display:grid;grid-template-columns:190px minmax(0,1fr);gap:18px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:14px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DDD0C2}
.entry-thumb{
  position:relative;aspect-ratio:4/3;border-radius:var(--r-img);
  overflow:hidden;background:#EDE4DA;display:block;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.entry-card:hover .entry-thumb img{transform:scale(1.04)}
.entry-body{display:flex;flex-direction:column;min-width:0}
.entry-badges{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:9px}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;line-height:1;padding:5px 9px;border-radius:var(--r-badge);
  font-weight:600;letter-spacing:.2px;
}
.badge-soft{background:var(--c-accent-soft);color:#2F5C52}
.badge-warm{background:#FBEFD8;color:#8A5A16}
.entry-title{font-size:16.5px;line-height:1.5;font-weight:700;letter-spacing:-.1px}
.entry-title a{transition:color var(--ease)}
.entry-title a:hover{color:var(--c-primary)}
.entry-desc{
  margin-top:8px;color:var(--c-ink-2);font-size:13.5px;line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:12px;border-top:1px solid #F1E9E0;
}
.entry-date{font-size:12.5px;color:#9C8F85;font-variant-numeric:tabular-nums}
.entry-link{
  font-size:13px;font-weight:600;color:var(--c-accent);
  border-bottom:2px solid rgba(63,122,110,.28);padding-bottom:1px;
  transition:border-color var(--ease),color var(--ease);
}
.entry-link:hover{color:var(--c-primary);border-color:var(--c-primary)}
.list-foot{display:flex;justify-content:center;margin-top:34px}
.empty-note{
  background:var(--c-surface);border:1px dashed var(--c-line);
  border-radius:var(--r-card);padding:34px 22px;text-align:center;
  color:var(--c-ink-2);font-size:14.5px;
}

/* ============ guide cards ============ */
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.guide-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 24px 24px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.guide-no{
  display:inline-grid;place-items:center;
  width:34px;height:34px;border-radius:50%;
  border:1px solid var(--c-accent);color:var(--c-accent);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.guide-card h3{font-size:17rem;font-size:17px;line-height:1.5;font-weight:700}
.guide-card p{margin-top:10px;color:var(--c-ink-2);font-size:14px;line-height:1.78}

/* ============ city index ============ */
.city-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
.city-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 26px}
.city-group{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:18px 20px;
}
.city-group h3{
  font-size:14px;font-weight:700;color:var(--c-primary);
  letter-spacing:.6px;margin-bottom:10px;
}
.city-group p{font-size:13.5px;color:var(--c-ink-2);line-height:2}
.city-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);background:#EDE4DA}
.city-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.city-media figcaption{
  background:var(--c-surface);padding:14px 18px;font-size:13px;color:var(--c-ink-2);line-height:1.75;
}

/* ============ faq ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.open{border-color:#DCCBB8;box-shadow:var(--shadow-1)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;text-align:left;padding:18px 22px;
  font-size:15.5px;font-weight:600;color:var(--c-ink);
}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-accent);
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-icon::before{width:13px;height:2px}
.faq-icon::after{width:2px;height:13px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height var(--ease);
}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{
  padding:0 22px 20px;color:var(--c-ink-2);font-size:14px;line-height:1.85;
  border-top:1px solid #F1E9E0;padding-top:16px;margin:0 22px 20px;padding-left:0;padding-right:0;
}

/* ============ reading cards ============ */
.read-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.read-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.read-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.read-card .cover{aspect-ratio:16/10;overflow:hidden;background:#EDE4DA}
.read-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.read-card:hover .cover img{transform:scale(1.04)}
.read-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.read-card h3{
  font-size:15px;line-height:1.55;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.read-card h3 a:hover{color:var(--c-primary)}
.read-card .time{margin-top:auto;padding-top:12px;font-size:12.5px;color:#9C8F85;font-variant-numeric:tabular-nums}

/* ============ cta ============ */
.cta-band{
  background:linear-gradient(120deg,#7E3826 0%,#B25037 62%,#C9674A 100%);
  border-radius:18px;padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;flex-wrap:wrap;
  box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:24px;line-height:1.45;font-weight:700;letter-spacing:-.2px;max-width:620px}
.cta-band p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.86);max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--c-primary-deep)}
.btn-white:hover{background:#F6EBE4;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}

/* ============ footer ============ */
.site-footer{background:#2B2320;color:#E8DFD4;padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(232,223,212,.16);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--c-primary);box-shadow:inset 0 0 0 2px rgba(255,255,255,.28)}
.footer-brand strong{display:block;font-size:17px;letter-spacing:.5px;color:#fff}
.footer-brand em{display:block;font-style:normal;font-size:11.5px;color:#B9A99C;letter-spacing:.6px}
.site-footer .desc{color:#B9A99C;font-size:14px;line-height:1.85;max-width:360px}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;letter-spacing:.6px;margin-bottom:16px}
.site-footer ul{display:grid;gap:9px}
.site-footer ul a{font-size:14px;color:#B9A99C;transition:color var(--ease)}
.site-footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact{font-size:14px;color:#B9A99C;line-height:2.1}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;font-size:12.5px;color:#9A8B7F;
}

/* ============ responsive ============ */
@media (max-width:1080px){
  .entry-list{grid-template-columns:1fr}
  .read-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guide-grid{grid-template-columns:1fr 1fr}
  .city-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1024px){
  .site-nav{
    position:fixed;top:68px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;margin-left:0;
    background:var(--c-surface);border-bottom:1px solid var(--c-line);
    box-shadow:var(--shadow-2);padding:14px 20px 22px;
    display:none;
  }
  .site-nav.open{display:flex}
  .site-nav a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:flex}
  .header-actions .city-pick{display:none}
}
@media (max-width:900px){
  .section{padding:60px 0}
  .cat-hero h1{font-size:29px}
  .cat-hero{padding:26px 0 36px}
  .cta-band{padding:34px 26px}
  .read-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .container{padding:0 20px}
  .header-inner{gap:14px;height:62px}
  .site-nav{top:62px}
  .brand-text em{display:none}
  .entry-card{grid-template-columns:1fr}
  .entry-thumb{aspect-ratio:16/10}
  .guide-grid{grid-template-columns:1fr}
  .city-groups{grid-template-columns:1fr}
  .read-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section-head h2{font-size:22px}
  .cat-hero h1{font-size:26px}
  .btn-line{display:none}
}
@media (max-width:520px){
  .cat-hero h1{font-size:23px}
  .cat-sub{font-size:14.5px}
  .cat-meta span{font-size:12px;padding:5px 11px}
  .chip{font-size:12.5px;padding:6px 13px}
  .section{padding:48px 0}
  .section-head h2{font-size:20px}
  .cta-band{padding:28px 20px;border-radius:14px}
  .cta-band h2{font-size:19px}
  .entry-card{padding:12px}
  .faq-q{padding:15px 16px;font-size:14.5px}
  .faq-a p{margin:0 16px 18px;padding-top:14px}
  .footer-bottom{font-size:12px}
}

/* roulang page: article */
:root{
  --c-primary:#B25037;
  --c-primary-deep:#7E3826;
  --c-accent:#3F7A6E;
  --c-accent-soft:#E4EDE9;
  --c-warm:#E8B86A;
  --c-bg:#FAF6F1;
  --c-surface:#FFFFFF;
  --c-line:#E8DFD4;
  --c-ink:#2B2320;
  --c-ink-2:#6B5E56;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --shadow-1:0 2px 8px rgba(43,35,32,.06);
  --shadow-2:0 10px 28px rgba(43,35,32,.10);
  --max:1200px;
  --ease:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.container-narrow{max-width:920px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,246,241,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--c-line);box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-primary);color:#fff;
  font-size:17px;font-weight:700;letter-spacing:1px;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.5px}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--c-ink-2);letter-spacing:.6px}
.site-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.site-nav a{
  padding:8px 13px;border-radius:var(--r-btn);
  font-size:14.5px;color:var(--c-ink-2);
  transition:background var(--ease),color var(--ease);
}
.site-nav a:hover{background:#F1E9E0;color:var(--c-ink)}
.site-nav a.active{color:var(--c-primary);font-weight:600;background:#F6EBE4}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.city-pick{
  height:38px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:13.5px;color:var(--c-ink-2);
  transition:border-color var(--ease),color var(--ease);
}
.city-pick:hover{border-color:var(--c-accent);color:var(--c-accent)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:var(--c-surface);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:16px;height:1.6px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--c-ink)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-line{background:transparent;border:1px solid var(--c-primary);color:var(--c-primary);height:40px;padding:0 18px}
.btn-line:hover{background:#F7EAE4;transform:translateY(-1px)}
.btn-line.is-on{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-plain{background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink);height:40px;padding:0 18px}
.btn-plain:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}

/* ============ 面包屑 ============ */
.crumb-bar{background:#F3ECE3;border-bottom:1px solid var(--c-line)}
.crumb-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;min-height:56px;padding-top:10px;padding-bottom:10px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2);flex-wrap:wrap;min-width:0}
.crumbs a{color:var(--c-ink-2);transition:color var(--ease)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs i{font-style:normal;color:#C4B6A8}
.crumbs em{font-style:normal;color:var(--c-ink);max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chan-badge{font-size:12px;padding:4px 10px;border-radius:var(--r-badge);background:var(--c-accent-soft);color:#2F5F55;line-height:1.5}

/* ============ 文章头部 ============ */
.article-head{
  padding:52px 0 46px;
  background:linear-gradient(180deg,#FCF8F3 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
}
.article-head-inner{max-width:880px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1px;color:var(--c-accent);
  background:var(--c-accent-soft);border-radius:999px;padding:6px 14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.article-head h1{
  font-size:38px;line-height:1.34;font-weight:700;letter-spacing:-.4px;
  margin:18px 0 0;overflow-wrap:break-word;
}
.article-head .lede{color:var(--c-ink-2);font-size:16px;margin-top:16px;max-width:760px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:24px;font-size:13px;color:var(--c-ink-2)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C9BAAB;flex:0 0 auto}
.meta-row b{color:var(--c-ink);font-weight:600}
.head-actions{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap}

/* ============ 阅读区 ============ */
.section{padding:72px 0}
.section-alt{background:#F3ECE3}
.section-white{background:var(--c-surface)}
.sec-head{max-width:660px;margin-bottom:30px}
.sec-head h2{font-size:28px;font-weight:700;margin:0 0 10px;letter-spacing:-.3px}
.sec-head p{margin:0;color:var(--c-ink-2);font-size:15px}

.reader-section{padding:56px 0 64px}
.reader-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.reader-main{
  min-width:0;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:18px;
  padding:40px 44px;
  box-shadow:var(--shadow-1);
}
.prose{font-size:16px;line-height:1.85;color:#3A312C;max-width:760px}
.prose h2{font-size:22px;font-weight:700;color:var(--c-ink);margin:40px 0 14px;line-height:1.5}
.prose h3{font-size:18px;font-weight:700;color:var(--c-ink);margin:28px 0 10px;line-height:1.55}
.prose p{margin:0 0 1.2em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.4em}
.prose li{margin:.35em 0}
.prose a{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--c-primary)}
.prose blockquote{
  margin:1.6em 0;padding:16px 22px;
  border-left:3px solid var(--c-primary);
  background:#FBF3EE;border-radius:0 10px 10px 0;color:#4A3E37;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-img);margin:1.4em 0 .6em}
.prose figure{margin:1.5em 0}
.prose figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:8px}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;margin:1.4em 0}
.prose th,.prose td{border:1px solid var(--c-line);padding:10px 12px;text-align:left}
.prose th{background:#F5EEE7;font-weight:600}
.prose strong{color:var(--c-ink);font-weight:600}

.empty-state{text-align:center;padding:48px 20px}
.empty-state h2{font-size:22px;margin:0 0 12px;font-weight:700}
.empty-state p{color:var(--c-ink-2);font-size:14.5px;margin:0 0 24px}

/* ============ 侧栏 ============ */
.reader-aside{display:flex;flex-direction:column;gap:18px;position:sticky;top:88px}
.aside-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--shadow-1);
}
.aside-card h3{
  font-size:15px;font-weight:700;margin:0 0 14px;
  display:flex;align-items:center;gap:8px;
}
.aside-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--c-primary)}
.key-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.key-list li{font-size:13.5px;color:var(--c-ink-2);line-height:1.65;padding-left:20px;position:relative}
.key-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--c-accent);font-size:12px;font-weight:700}
.fact-list{margin:0;display:flex;flex-direction:column;gap:10px}
.fact-list>div{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;border-bottom:1px dashed var(--c-line);padding-bottom:9px}
.fact-list>div:last-child{border-bottom:0;padding-bottom:0}
.fact-list dt{color:var(--c-ink-2);flex:0 0 auto}
.fact-list dd{margin:0;color:var(--c-ink);font-weight:600;text-align:right;word-break:break-word;min-width:0}
.aside-tip{font-size:12.5px;color:var(--c-ink-2);line-height:1.7;margin-top:12px;padding-top:12px;border-top:1px solid var(--c-line)}

/* ============ 相关推荐 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.rel-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px 20px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DCCFC0}
.rel-card .rel-tag{
  align-self:flex-start;font-size:12px;line-height:1;padding:5px 8px;
  border-radius:var(--r-badge);background:var(--c-accent-soft);color:#2F5F55;
}
.rel-card h3{font-size:15px;line-height:1.6;font-weight:600;margin:0}
.rel-card p{font-size:13px;color:var(--c-ink-2);line-height:1.65;margin:0}
.rel-card time{font-size:12px;color:#9A8B80;margin-top:auto;font-variant-numeric:tabular-nums}

/* ============ 续读双栏 ============ */
.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.next-card{
  display:flex;align-items:center;gap:16px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px 24px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.next-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#DCCFC0}
.next-card .arrow{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:var(--c-accent-soft);color:var(--c-accent);
  display:grid;place-items:center;font-size:15px;
}
.next-card strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
.next-card span{font-size:13px;color:var(--c-ink-2);line-height:1.6}

/* ============ 栏目入口横幅 ============ */
.channel-banner{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  background:linear-gradient(120deg,#3F7A6E 0%,#2F5F55 100%);
  color:#fff;border-radius:18px;padding:26px 32px;margin-top:24px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.channel-banner:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.channel-banner b{font-size:18px;font-weight:700;white-space:nowrap}
.channel-banner em{font-style:normal;font-size:13.8px;color:rgba(255,255,255,.88);flex:1 1 320px;line-height:1.7}
.channel-banner .go{
  font-size:14px;font-weight:600;white-space:nowrap;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.38);
  border-radius:var(--r-btn);padding:9px 18px;
}

/* ============ 作者说明 ============ */
.author-box{
  display:flex;gap:18px;align-items:flex-start;
  background:#F5EEE7;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px 26px;margin-top:24px;
}
.author-seal{
  width:54px;height:54px;flex:0 0 auto;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-primary);color:#fff;
  font-size:19px;font-weight:700;letter-spacing:1px;
  box-shadow:inset 0 0 0 3px rgba(255,255,255,.35);
}
.author-box h4{font-size:15px;font-weight:700;margin:0 0 8px}
.author-box p{font-size:13.5px;color:var(--c-ink-2);line-height:1.78}
.author-box p + p{margin-top:6px}

/* ============ 评论表单 ============ */
.comment-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:18px;padding:32px;box-shadow:var(--shadow-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:13px;color:var(--c-ink-2)}
.field input,.field textarea{
  height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 14px;background:#FDFBF8;width:100%;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{height:auto;min-height:124px;padding:12px 14px;resize:vertical;line-height:1.75}
.field input::placeholder,.field textarea::placeholder{color:rgba(107,94,86,.6)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(63,122,110,.14);background:#fff}
.field-full{grid-column:1 / -1}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:18px}
.form-note{font-size:12.5px;color:var(--c-ink-2);margin:0}

/* ============ 页脚 ============ */
.site-footer{background:#2B2320;color:#E8DFD4;padding:64px 0 0;margin-top:72px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(232,223,212,.14);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{display:block;font-size:17px;color:#fff;font-weight:700;letter-spacing:.5px}
.footer-brand em{font-style:normal;font-size:11.5px;color:#B9AA9D;letter-spacing:.6px}
.site-footer h4{font-size:14px;color:#fff;margin:0 0 16px;font-weight:600}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.site-footer a{font-size:13.5px;color:#D6C9BD;transition:color var(--ease)}
.site-footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.site-footer .desc{font-size:13.5px;line-height:1.85;color:#B9AA9D;margin:0;max-width:370px}
.footer-contact{font-size:13.5px;line-height:2;color:#B9AA9D}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:20px 0 26px;font-size:12.5px;color:#9C8E82;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .reader-grid{grid-template-columns:1fr;gap:26px}
  .reader-aside{position:static;order:-1;display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
  .reader-main{padding:34px 30px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .article-head h1{font-size:32px}
  .section{padding:60px 0}
}
@media (max-width:880px){
  .site-nav{
    position:fixed;left:0;right:0;top:68px;
    display:none;flex-direction:column;align-items:stretch;gap:6px;
    background:var(--c-surface);border-bottom:1px solid var(--c-line);
    box-shadow:var(--shadow-2);padding:18px 24px 26px;margin-left:0;
    max-height:calc(100vh - 68px);overflow-y:auto;
  }
  body.nav-open .site-nav{display:flex}
  .site-nav a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .city-pick{display:none}
  .header-inner{gap:14px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .header-inner{height:62px}
  .brand-text em{display:none}
  .brand-mark{width:34px;height:34px;font-size:15px}
  .site-nav{top:62px;max-height:calc(100vh - 62px)}
  .article-head{padding:34px 0 30px}
  .article-head h1{font-size:27px;line-height:1.38}
  .article-head .lede{font-size:15px}
  .meta-row{font-size:12.5px;gap:8px 14px;margin-top:18px}
  .head-actions{margin-top:20px}
  .reader-section{padding:36px 0 48px}
  .reader-main{padding:24px 20px;border-radius:16px}
  .reader-aside{grid-template-columns:1fr}
  .prose{font-size:15.5px;line-height:1.85}
  .prose h2{font-size:20px;margin-top:32px}
  .prose h3{font-size:17px}
  .rel-grid{grid-template-columns:1fr}
  .next-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .comment-card{padding:22px 20px;border-radius:16px}
  .channel-banner{padding:22px;gap:14px;border-radius:16px}
  .channel-banner b{font-size:16px}
  .author-box{padding:20px;gap:14px}
  .author-seal{width:46px;height:46px;font-size:16px}
  .section{padding:48px 0}
  .sec-head h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
  .site-footer{padding-top:48px;margin-top:52px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;scroll-behavior:auto !important}
}