/* roulang page: index */
:root{
  --bg:#FBF6EF;
  --surface:#FFFFFF;
  --surface-2:#F3EBDF;
  --ink:#17211E;
  --ink-2:#4A5A54;
  --line:rgba(23,33,30,.10);
  --primary:#E4663C;
  --primary-600:#C74F2A;
  --accent:#2F8F79;
  --accent-soft:rgba(47,143,121,.10);
  --night:#14231F;
  --focus:#2F8F79;
  --radius-card:18px;
  --radius-img:14px;
  --shadow-1:0 10px 30px rgba(23,33,30,.06);
  --shadow-2:0 16px 40px rgba(23,33,30,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--accent);text-decoration:none;}
a:hover{color:var(--primary-600);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
h1{font-size:44px;line-height:1.25;font-weight:800;letter-spacing:.01em;}
h2{font-size:30px;line-height:1.35;font-weight:800;}
h3{font-size:20px;line-height:1.5;font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.bg-paper{background:var(--bg);}
.bg-surface{background:var(--surface);}
.bg-sand{background:var(--surface-2);}
.bg-night{background:var(--night);color:#F2F7F4;}
.bg-night h2,.bg-night h3{color:#FFFFFF;}
.bg-night p{color:rgba(242,247,244,.78);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.eyebrow-warm{background:rgba(228,102,60,.10);color:var(--primary-600);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head p{color:var(--ink-2);margin-top:14px;font-size:16px;}
.section-head .kicker{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;display:block;margin-bottom:10px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:16px;font-weight:700;line-height:1;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(228,102,60,.22);}
.btn-primary:hover{background:var(--primary-600);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(199,79,42,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(199,79,42,.22);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--surface-2);color:var(--ink);transform:translateY(-1px);}
.btn-onnight{background:#fff;color:var(--night);}
.btn-onnight:hover{background:#F3EBDF;color:var(--night);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn-block{width:100%;}

.pill{display:inline-flex;align-items:center;height:27px;padding:0 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12.5px;font-weight:700;}
.pill-warm{background:rgba(228,102,60,.10);color:var(--primary-600);}
.pill-line{background:transparent;border:1px solid var(--line);color:var(--ink-2);font-variant-numeric:tabular-nums;}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.card-flat:hover{transform:none;box-shadow:var(--shadow-1);}
.card-title{font-size:19px;font-weight:700;color:var(--ink);display:block;margin-bottom:10px;line-height:1.5;}
a.card-title:hover{color:var(--primary-600);}
.card-text{color:var(--ink-2);font-size:15px;line-height:1.8;margin:0;}
.thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);background:#E7DED1;}
.thumb-wrap{overflow:hidden;border-radius:var(--radius-img);}
.thumb-wrap img{transition:transform .3s ease;}
.card:hover .thumb-wrap img{transform:scale(1.03);}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(251,246,239,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(23,33,30,.08);background:#FBF6EF;}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--primary);color:#17211E;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
  letter-spacing:.02em;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16.5px;font-weight:800;color:var(--ink);}
.brand-sub{font-size:11.5px;color:var(--ink-2);letter-spacing:.02em;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1 1 auto;}
.nav-main a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  border-radius:10px;font-size:15px;font-weight:600;color:var(--ink-2);text-decoration:none;
  transition:color .16s ease,background-color .16s ease;
  white-space:nowrap;
}
.nav-main a:hover{color:var(--ink);background:var(--surface-2);}
.nav-main a.active{color:var(--primary-600);}
.nav-main a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--primary-600);
}
.header-cta{display:flex;flex-direction:column;align-items:flex-end;gap:2px;flex:0 0 auto;}
.header-cta small{font-size:11.5px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  display:none;position:fixed;inset:72px 0 0 0;background:var(--bg);z-index:55;
  padding:24px 20px 110px;overflow-y:auto;
}
.drawer.open{display:block;}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 18px;border-radius:14px;background:var(--surface);border:1px solid var(--line);
  font-size:17px;font-weight:700;color:var(--ink);margin-bottom:10px;
}
.drawer a.drawer-link.active{color:var(--primary-600);border-color:rgba(228,102,60,.4);}
.drawer-foot{position:fixed;left:0;right:0;bottom:0;padding:14px 20px calc(14px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--line);display:none;}
.drawer.open ~ .drawer-foot{display:block;}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 76px;background:var(--bg);}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/fec473afd11fd9fb.webp') center/cover no-repeat;
  opacity:.10;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(251,246,239,.55) 0%,rgba(251,246,239,.92) 62%,var(--bg) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start;}
.hero h1{margin:18px 0 16px;}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:0;margin-top:26px;font-size:13.5px;color:var(--ink-2);}
.hero-trust span{padding:0 16px;border-left:1px solid var(--line);}
.hero-trust span:first-child{padding-left:0;border-left:0;}
.terminal{
  background:var(--night);border-radius:20px;padding:24px;color:#EDF4F1;
  box-shadow:0 24px 50px rgba(20,35,31,.28);border:1px solid rgba(255,255,255,.06);
}
.terminal .t-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.terminal .t-head strong{font-size:16px;color:#fff;}
.terminal .ver{border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:3px 10px;font-size:12px;color:#fff;font-variant-numeric:tabular-nums;}
.terminal ul{margin:0 0 18px;}
.terminal li{
  display:flex;justify-content:space-between;gap:12px;font-size:13.5px;
  padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.14);color:rgba(237,244,241,.82);
  font-variant-numeric:tabular-nums;
}
.terminal li b{color:#fff;font-weight:700;}
.terminal .t-shot{border-radius:12px;overflow:hidden;margin-top:16px;border:1px solid rgba(255,255,255,.10);}
.terminal .t-shot img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;opacity:.92;}

/* numbered short cards */
.num-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;}
.num-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.num-card .num{font-size:26px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1;margin-bottom:12px;}
.num-card h3{font-size:18px;margin-bottom:8px;}
.num-card p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* zigzag */
.zig-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.zig-row + .zig-row{margin-top:64px;}
.zig-row.reverse .zig-media{order:2;}
.zig-media img{width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow-1);}
.zig-body h3{font-size:24px;margin-bottom:14px;}
.zig-body p{color:var(--ink-2);font-size:15.5px;}
.text-link{font-weight:700;font-size:15px;border-bottom:1px solid rgba(47,143,121,.35);padding-bottom:1px;}
.text-link:hover{border-bottom-color:var(--primary-600);}

/* steps */
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.step{display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step .seq{font-size:30px;font-weight:800;color:rgba(23,33,30,.16);font-variant-numeric:tabular-nums;line-height:1;flex:0 0 auto;}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-2);margin:0 0 12px;}

/* download */
.dl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:32px;box-shadow:var(--shadow-2);
}
.dl-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start;}
.dl-list{margin:0;}
.dl-list .row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;}
.dl-list .row:last-child{border-bottom:0;}
.dl-list dt{color:var(--ink-2);margin:0;}
.dl-list dd{margin:0;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;text-align:right;}
.dl-actions{display:flex;flex-direction:column;gap:12px;}
.dl-note{font-size:13px;color:var(--ink-2);margin-top:14px;}
.file-chip{display:inline-flex;align-items:center;gap:6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:2px 8px;color:var(--ink);}

/* matrix */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.matrix a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:18px 26px;text-decoration:none;color:var(--ink);font-weight:700;font-size:16px;
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background-color .18s ease;
}
.matrix a:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(228,102,60,.35);background:#fff;color:var(--primary-600);}
.matrix a .arrow{color:var(--primary);font-size:18px;transition:transform .18s ease;}
.matrix a:hover .arrow{transform:translateX(3px);}
.matrix a small{display:block;font-weight:500;font-size:13px;color:var(--ink-2);margin-top:2px;}

/* city chips */
.search-shell{display:flex;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow-1);max-width:560px;}
.search-shell input{
  flex:1;border:0;background:transparent;height:44px;padding:0 14px;border-radius:12px;
  font-size:15px;color:var(--ink);outline:none;
}
.search-shell input::placeholder{color:var(--ink-2);}
.search-shell input:focus{background:var(--surface-2);box-shadow:inset 0 0 0 2px var(--focus);}
.search-shell .fake-btn{height:44px;padding:0 20px;border-radius:12px;border:0;background:var(--primary);color:#fff;font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;}
.chip-wall{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:14px;color:var(--ink);
  text-decoration:none;transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease;
}
.chip:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-1px);}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare .col{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-1);}
.compare .col.hl{border:1.5px solid rgba(228,102,60,.5);box-shadow:0 18px 40px rgba(228,102,60,.12);}
.compare h3{font-size:19px;margin-bottom:6px;}
.compare .col > span{font-size:13px;color:var(--ink-2);display:block;margin-bottom:18px;}
.compare li{position:relative;padding-left:22px;font-size:15px;color:var(--ink-2);margin-bottom:12px;line-height:1.75;}
.compare li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--accent);}
.compare .col.hl li::before{background:var(--primary);}

/* stats night */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:36px;}
.stat{border-left:2px solid rgba(255,255,255,.14);padding-left:20px;}
.stat .k{font-size:15px;font-weight:800;color:#fff;margin-bottom:8px;}
.stat .v{font-size:13.5px;color:rgba(242,247,244,.72);line-height:1.75;}
.night-note{font-size:12.5px;color:rgba(242,247,244,.55);margin-top:28px;}

/* checklist */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.check{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;}
.check .dot{width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex:0 0 auto;}
.check strong{display:block;font-size:15.5px;margin-bottom:4px;}
.check span{font-size:14px;color:var(--ink-2);line-height:1.7;display:block;}

/* audience scroll */
.scroll-rail{display:flex;gap:16px;overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory;}
.scroll-rail::-webkit-scrollbar{height:6px;}
.scroll-rail::-webkit-scrollbar-thumb{background:rgba(23,33,30,.18);border-radius:999px;}
.aud-card{
  flex:0 0 268px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);
}
.aud-card h3{font-size:17px;margin-bottom:8px;}
.aud-card p{font-size:14px;color:var(--ink-2);margin-bottom:14px;}

/* scene list */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.scene-item{display:grid;grid-template-columns:150px 1fr;gap:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;}
.scene-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.scene-item img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.scene-item h3{font-size:17px;margin-bottom:6px;}
.scene-item p{font-size:14px;color:var(--ink-2);margin-bottom:10px;}

/* cms list */
.post-card{display:flex;flex-direction:column;gap:14px;height:100%;}
.post-card .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--ink-2);margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums;}
.post-card .excerpt{font-size:14.5px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .title-link{font-size:18px;font-weight:700;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .title-link:hover{color:var(--primary-600);}
.empty-state{border:1.5px dashed rgba(23,33,30,.22);border-radius:var(--radius-card);padding:44px 24px;text-align:center;color:var(--ink-2);background:var(--surface);}
.empty-state .ico{width:44px;height:44px;border-radius:12px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:20px;}

/* changelog */
.log-list{position:relative;padding-left:26px;}
.log-list::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--line);}
.log-item{position:relative;padding-bottom:26px;}
.log-item:last-child{padding-bottom:0;}
.log-item::before{content:"";position:absolute;left:-26px;top:9px;width:14px;height:14px;border-radius:50%;background:var(--surface);border:2.5px solid var(--accent);}
.log-item h3{font-size:17px;margin-bottom:6px;}
.log-item p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:background-color .18s ease,border-color .18s ease;}
.faq-item:hover{background:#fff;border-color:rgba(23,33,30,.18);}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:700;color:var(--ink);cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .sign{font-size:20px;color:var(--primary);transition:transform .2s ease;line-height:1;flex:0 0 auto;}
.faq-item[open] summary .sign{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px 22px;border-left:3px solid var(--primary);margin-left:22px;padding-left:18px;}
.faq-body p{font-size:15px;color:var(--ink-2);margin:0;}

/* final cta */
.final-cta{background:var(--night);color:#F2F7F4;border-radius:22px;padding:48px;display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;}
.final-cta h2{color:#fff;}
.final-cta p{color:rgba(242,247,244,.76);margin-top:12px;font-size:15.5px;}
.final-cta .acts{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.final-cta .fineprint{font-size:12.5px;color:rgba(242,247,244,.55);margin-top:18px;}

/* footer */
.site-footer{background:var(--night);color:rgba(242,247,244,.75);padding:64px 0 0;}
.site-footer h4{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.site-footer a{color:rgba(242,247,244,.75);text-decoration:none;font-size:14px;display:inline-block;padding:5px 0;}
.site-footer a:hover{color:#fff;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(242,247,244,.6);}
.footer-brand p{font-size:13.5px;line-height:1.8;margin-top:16px;max-width:330px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);margin-top:44px;padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(242,247,244,.55);}

/* mobile bar */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;
  background:var(--surface);border-top:1px solid var(--line);
  padding:9px 16px calc(9px + env(safe-area-inset-bottom));
  align-items:center;justify-content:space-between;gap:12px;
  box-shadow:0 -6px 18px rgba(23,33,30,.06);
  opacity:0;transform:translateY(100%);transition:opacity .25s ease,transform .25s ease;
}
.mobile-bar.show{opacity:1;transform:translateY(0);}
.mobile-bar .t{font-size:12px;line-height:1.45;color:var(--ink-2);}
.mobile-bar .t b{display:block;color:var(--ink);font-size:13.5px;}
.mobile-bar .btn{height:44px;padding:0 20px;font-size:14.5px;}

@media (max-width:1024px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .nav-main{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .zig-row{grid-template-columns:1fr;gap:28px;}
  .zig-row.reverse .zig-media{order:0;}
  .dl-grid{grid-template-columns:1fr;gap:28px;}
  .compare{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
  .check-list{grid-template-columns:1fr;}
  .scene{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .final-cta{grid-template-columns:1fr;padding:36px;}
  .section{padding:64px 0;}
  .mobile-bar{display:flex;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  h1{font-size:29px;line-height:1.3;}
  h2{font-size:23px;}
  .hero{padding:48px 0 56px;}
  .hero-trust{flex-direction:column;gap:6px;}
  .hero-trust span{padding:0;border-left:0;}
  .hero-actions .btn{width:100%;}
  .steps{grid-template-columns:1fr;}
  .matrix{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .dl-card{padding:22px;}
  .scene-item{grid-template-columns:1fr;}
  .scene-item img{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;}
  .final-cta{padding:26px;}
  .final-cta .acts{width:100%;}
  .final-cta .acts .btn{width:100%;}
  .faq-item summary{font-size:15.5px;padding:16px 18px;}
  .faq-body{margin-left:18px;padding:0 16px 16px 14px;}
  .search-shell{flex-direction:column;}
  .search-shell .fake-btn{justify-content:center;}
  .aud-card{flex:0 0 232px;}
  .mobile-bar{padding-bottom:calc(9px + env(safe-area-inset-bottom));}
  .section{padding:52px 0;}
}

/* roulang page: article */
:root{
  --bg:#FBF6EF;
  --surface:#FFFFFF;
  --surface-2:#F3EBDF;
  --ink:#17211E;
  --ink-2:#4A5A54;
  --line:rgba(23,33,30,.10);
  --primary:#E4663C;
  --primary-600:#C74F2A;
  --accent:#2F8F79;
  --accent-soft:rgba(47,143,121,.10);
  --night:#14231F;
  --focus:#2F8F79;
  --radius-card:18px;
  --radius-img:14px;
  --shadow-1:0 10px 30px rgba(23,33,30,.06);
  --shadow-2:0 16px 40px rgba(23,33,30,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--accent);text-decoration:none;}
a:hover{color:var(--primary-600);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding-left:1.15em;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--surface-2);}
.section-white{background:var(--surface);}
.divider{height:1px;background:var(--line);border:0;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.eyebrow-warm{background:rgba(228,102,60,.10);color:var(--primary-600);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:30px;line-height:1.35;font-weight:800;letter-spacing:.01em;}
.section-head p{color:var(--ink-2);margin-top:14px;font-size:16px;}
.section-head .kicker{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em;display:block;margin-bottom:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:16px;font-weight:700;line-height:1;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--focus);outline-offset:2px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(228,102,60,.22);}
.btn-primary:hover{background:var(--primary-600);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(199,79,42,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(199,79,42,.22);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--surface-2);color:var(--ink);transform:translateY(-1px);}
.btn-onnight{background:#fff;color:var(--night);}
.btn-onnight:hover{background:#F3EBDF;color:var(--night);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn-block{width:100%;}
.pill{display:inline-flex;align-items:center;height:27px;padding:0 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12.5px;font-weight:700;}
.pill-warm{background:rgba(228,102,60,.10);color:var(--primary-600);}
.pill-line{background:transparent;border:1px solid var(--line);color:var(--ink-2);font-variant-numeric:tabular-nums;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.card-title{font-size:19px;font-weight:700;color:var(--ink);display:block;margin-bottom:10px;line-height:1.5;}
a.card-title:hover{color:var(--primary-600);}
.card-text{color:var(--ink-2);font-size:15px;line-height:1.8;}
.thumb-wrap{overflow:hidden;border-radius:var(--radius-img);}
.thumb-wrap img{transition:transform .3s ease;}
.card:hover .thumb-wrap img{transform:scale(1.03);}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(251,246,239,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(23,33,30,.08);background:#FBF6EF;}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--primary);color:#17211E;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
  letter-spacing:.02em;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16.5px;font-weight:800;color:var(--ink);}
.brand-sub{font-size:11.5px;color:var(--ink-2);letter-spacing:.02em;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1 1 auto;}
.nav-main a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  border-radius:10px;font-size:15px;font-weight:600;color:var(--ink-2);text-decoration:none;
  transition:color .16s ease,background-color .16s ease;
  white-space:nowrap;
}
.nav-main a:hover{color:var(--ink);background:var(--surface-2);}
.nav-main a.active{color:var(--primary-600);}
.nav-main a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--primary-600);
}
.header-cta{display:flex;flex-direction:column;align-items:flex-end;gap:2px;flex:0 0 auto;}
.header-cta small{font-size:11.5px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  display:none;position:fixed;inset:72px 0 0 0;background:var(--bg);z-index:55;
  padding:24px 20px 110px;overflow-y:auto;
}
.drawer.open{display:block;}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 18px;border-radius:14px;background:var(--surface);border:1px solid var(--line);
  font-size:17px;font-weight:700;color:var(--ink);margin-bottom:10px;
}
.drawer a.drawer-link.active{color:var(--primary-600);border-color:rgba(228,102,60,.4);}
.drawer .drawer-cta{margin-top:18px;}

/* ===== article page ===== */
.crumbs{font-size:13px;color:var(--ink-2);display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-top:28px;}
.crumbs span.sep{color:rgba(23,33,30,.28);}
.crumbs .cur{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{padding:18px 0 32px;}
.article-head h1{font-size:32px;line-height:1.35;font-weight:800;letter-spacing:.01em;max-width:900px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:18px;font-size:13px;color:var(--ink-2);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(23,33,30,.24);}
.article-cover{margin:0 0 40px;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.article-cover figcaption{font-size:13px;color:var(--ink-2);padding:12px 18px;background:var(--surface);text-align:center;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start;padding-bottom:72px;}
.article-shell{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:40px;box-shadow:var(--shadow-1);max-width:100%;
}
.article-body{font-size:16.5px;line-height:1.9;color:var(--ink);word-break:break-word;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-size:23px;line-height:1.45;font-weight:800;margin:1.9em 0 .8em;
  padding-left:14px;border-left:3px solid var(--primary);scroll-margin-top:96px;
}
.article-body h3{font-size:18.5px;font-weight:800;margin:1.6em 0 .6em;line-height:1.5;}
.article-body h4{font-size:16.5px;font-weight:800;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.2em;}
.article-body li{margin:.4em 0;}
.article-body ul li::marker{color:var(--accent);}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--primary-600);}
.article-body blockquote{
  margin:1.4em 0;padding:18px 22px;background:var(--surface-2);
  border-left:4px solid var(--primary);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:1.4em 0;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px;}
.article-body code{
  background:var(--surface-2);border-radius:6px;padding:2px 6px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14.5px;color:#8A3B21;
}
.article-body pre{
  background:var(--surface-2);border:1px solid var(--line);border-radius:12px;
  padding:18px;overflow-x:auto;margin:1.4em 0;
}
.article-body pre code{background:none;padding:0;color:var(--ink);}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--surface-2);font-weight:700;}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0;}
.article-empty{
  border:1px dashed rgba(23,33,30,.22);border-radius:var(--radius-card);
  padding:44px 24px;text-align:center;background:var(--bg);
}
.article-empty strong{display:block;font-size:19px;margin-bottom:10px;}
.article-empty p{color:var(--ink-2);font-size:15px;margin-bottom:20px;}

/* sidebar */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px 22px;box-shadow:var(--shadow-1);}
.side-card h3{font-size:15px;font-weight:800;letter-spacing:.02em;margin-bottom:14px;}
.toc-list{list-style:none;margin:0;padding:0;font-size:14px;max-height:320px;overflow-y:auto;}
.toc-list li{margin:0 0 6px;}
.toc-list a{display:block;color:var(--ink-2);padding:4px 0 4px 12px;border-left:2px solid transparent;line-height:1.6;transition:color .16s ease,border-color .16s ease;}
.toc-list a:hover{color:var(--ink);border-left-color:rgba(228,102,60,.4);}
.toc-list a.current{color:var(--primary-600);border-left-color:var(--primary-600);font-weight:700;}
.toc-empty{font-size:13.5px;color:var(--ink-2);}
.side-dl{margin:0;font-size:14px;}
.side-dl dt{color:var(--ink-2);font-size:12.5px;margin-top:10px;}
.side-dl dd{margin:2px 0 0;font-weight:700;font-variant-numeric:tabular-nums;word-break:break-all;}
.side-card .btn{margin-top:16px;}
.side-card.night{background:var(--night);border-color:var(--night);color:#fff;}
.side-card.night h3{color:#fff;}
.side-card.night p{color:rgba(255,255,255,.72);font-size:13.5px;line-height:1.75;}

/* download block */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.dl-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:14px;}
.dl-card .plat{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.04em;}
.dl-card .fname{font-size:15px;color:var(--ink-2);font-variant-numeric:tabular-nums;word-break:break-all;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}
.dl-card .btn{margin-top:auto;}

/* keypoints */
.keypoints{background:var(--surface-2);border-radius:var(--radius-card);padding:32px;border:1px solid var(--line);}
.keypoints h2{font-size:24px;font-weight:800;margin-bottom:18px;}
.keypoints ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 28px;}
.keypoints li{position:relative;padding-left:22px;color:var(--ink-2);font-size:15.5px;line-height:1.8;}
.keypoints li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--primary);}

/* prev next */
.prevnext{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.pn-card{display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px 22px;box-shadow:var(--shadow-1);}
.pn-card .pn-label{font-size:12.5px;color:var(--ink-2);letter-spacing:.04em;}
.pn-card .pn-title{font-size:15.5px;font-weight:700;color:var(--ink-2);}
.pn-card.disabled{background:var(--surface-2);border-style:dashed;box-shadow:none;}
.pn-card.disabled .pn-title{color:rgba(23,33,30,.38);}

/* night cta */
.cta-night{background:var(--night);color:#fff;border-radius:24px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-night h2{font-size:28px;line-height:1.4;font-weight:800;color:#fff;}
.cta-night p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;max-width:620px;}
.cta-night .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.note-line{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:18px;}

/* safety */
.safety-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.safety-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;}
.safety-item h3{font-size:17px;font-weight:800;margin-bottom:8px;}
.safety-item p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}

/* footer */
.site-footer{background:var(--night);color:rgba(255,255,255,.76);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.6);}
.site-footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:14px;letter-spacing:.02em;}
.site-footer a{color:rgba(255,255,255,.74);font-size:14.5px;line-height:2.1;text-decoration:none;}
.site-footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-brand p{font-size:14.5px;color:rgba(255,255,255,.7);margin-top:16px;max-width:340px;line-height:1.85;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.55);
}

/* mobile bar */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;height:62px;background:#fff;
  border-top:1px solid var(--line);display:none;align-items:center;justify-content:space-between;
  padding:0 16px;gap:12px;box-shadow:0 -8px 24px rgba(23,33,30,.08);
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.mobile-bar.show{opacity:1;pointer-events:auto;}
.mobile-bar .mb-text{font-size:12.5px;line-height:1.4;color:var(--ink-2);}
.mobile-bar .mb-text strong{display:block;color:var(--ink);font-size:13.5px;}
.mobile-bar .btn{height:44px;padding:0 18px;font-size:14.5px;}

@media (max-width:1024px){
  .nav-main{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;order:2;}
  .article-shell{padding:32px 26px;}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .safety-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .mobile-bar{display:flex;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:72px 0;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:11px;}
  .article-head h1{font-size:26px;}
  .article-shell{padding:26px 20px;border-radius:16px;}
  .article-body{font-size:16px;line-height:1.88;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17.5px;}
  .keypoints{padding:24px 20px;}
  .keypoints ul{grid-template-columns:1fr;}
  .cta-night{padding:32px 24px;border-radius:18px;}
  .cta-night h2{font-size:22px;}
  .prevnext{grid-template-columns:1fr;}
  .section{padding:60px 0;}
  .section-head h2{font-size:24px;}
}
@media (max-width:520px){
  .dl-grid{grid-template-columns:1fr;}
  .safety-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .crumbs{font-size:12.5px;padding-top:20px;}
  .article-cover{margin-bottom:28px;}
  .article-cover img{aspect-ratio:4/3;}
  .article-head h1{font-size:23px;}
  .cta-night .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg:#FBF6EF;
  --surface:#FFFFFF;
  --surface-2:#F3EBDF;
  --ink:#17211E;
  --ink-2:#4A5A54;
  --line:rgba(23,33,30,.10);
  --primary:#E4663C;
  --primary-600:#C74F2A;
  --accent:#2F8F79;
  --accent-soft:rgba(47,143,121,.10);
  --night:#14231F;
  --focus:#2F8F79;
  --radius-card:18px;
  --radius-img:14px;
  --shadow-1:0 10px 30px rgba(23,33,30,.06);
  --shadow-2:0 16px 40px rgba(23,33,30,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16.5px;line-height:1.85;letter-spacing:0;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--accent);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--primary-600);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.bg-white{background:var(--surface);}
.bg-sand{background:var(--surface-2);}
.divider{height:1px;background:var(--line);border:0;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.eyebrow-warm{background:rgba(228,102,60,.10);color:var(--primary-600);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:30px;line-height:1.35;}
.section-head p{color:var(--ink-2);margin-top:14px;font-size:16px;}
.section-head .kicker{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em;display:block;margin-bottom:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;
  border-radius:999px;border:1px solid transparent;font-size:16px;font-weight:700;line-height:1;
  text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(228,102,60,.22);}
.btn-primary:hover{background:var(--primary-600);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(199,79,42,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(199,79,42,.22);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--surface-2);color:var(--ink);transform:translateY(-1px);}
.btn-onnight{background:#fff;color:var(--night);}
.btn-onnight:hover{background:#F3EBDF;color:var(--night);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--focus);outline-offset:2px;
}
.pill{display:inline-flex;align-items:center;height:27px;padding:0 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12.5px;font-weight:700;}
.pill-warm{background:rgba(228,102,60,.10);color:var(--primary-600);}
.pill-line{background:transparent;border:1px solid var(--line);color:var(--ink-2);font-variant-numeric:tabular-nums;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(251,246,239,.94);
  -webkit-backdrop-filter:saturate(140%) blur(8px);backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(23,33,30,.08);background:#FBF6EF;}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--primary);color:#17211E;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16.5px;font-weight:800;color:var(--ink);}
.brand-sub{font-size:11.5px;color:var(--ink-2);letter-spacing:.02em;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1 1 auto;}
.nav-main a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--ink-2);text-decoration:none;white-space:nowrap;
  transition:color .16s ease,background-color .16s ease;
}
.nav-main a:hover{color:var(--ink);background:var(--surface-2);}
.nav-main a.active{color:var(--primary-600);}
.nav-main a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--primary-600);}
.header-cta{display:flex;flex-direction:column;align-items:flex-end;gap:2px;flex:0 0 auto;}
.header-cta small{font-size:11.5px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{display:none;position:fixed;inset:72px 0 0 0;background:var(--bg);z-index:55;padding:24px 20px 130px;overflow-y:auto;}
.drawer.open{display:block;}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-radius:14px;
  background:var(--surface);border:1px solid var(--line);font-size:17px;font-weight:700;color:var(--ink);margin-bottom:10px;
}
.drawer a.drawer-link.active{color:var(--primary-600);border-color:rgba(228,102,60,.35);}
.drawer-cta{position:fixed;left:0;right:0;bottom:0;padding:16px 20px 24px;background:linear-gradient(180deg,rgba(251,246,239,0),#FBF6EF 40%);}
/* page head */
.page-head{padding:44px 0 40px;border-bottom:1px solid var(--line);background:var(--bg);}
.crumb{font-size:13px;color:var(--ink-2);margin-bottom:22px;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--primary-600);}
.crumb span{color:var(--ink);font-weight:600;}
.ph-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;}
.page-head h1{font-size:38px;line-height:1.28;margin:16px 0 18px;}
.ph-lead{color:var(--ink-2);font-size:16px;max-width:680px;}
.ph-note{color:var(--ink-2);font-size:15px;max-width:680px;}
.stat-panel{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;}
.stat-panel dl{margin:0;display:grid;gap:14px;}
.stat-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px dashed rgba(23,33,30,.14);}
.stat-row:last-child{border-bottom:0;padding-bottom:0;}
.stat-row dt{font-size:13.5px;color:var(--ink-2);margin:0;}
.stat-row dd{margin:0;font-size:18px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;}
.stat-panel .stat-caption{font-size:12.5px;color:var(--ink-2);margin-top:16px;line-height:1.7;}
/* filter */
.filter-bar{padding:18px 0;background:var(--surface);border-bottom:1px solid var(--line);}
.filter-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;padding-bottom:2px;}
.filter-inner::-webkit-scrollbar{height:0;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
  font-size:14px;font-weight:600;white-space:nowrap;transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.chip:hover{background:rgba(228,102,60,.10);color:var(--primary-600);border-color:rgba(228,102,60,.32);}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;}
.chip.is-active:hover{background:var(--primary-600);color:#fff;}
.filter-hint{margin-left:auto;font-size:12.5px;color:var(--ink-2);white-space:nowrap;}
/* list */
.post-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:28px;align-items:start;}
.post-list-main{display:grid;gap:20px;}
.post-card{
  display:grid;grid-template-columns:216px minmax(0,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(228,102,60,.28);}
.post-thumb{display:block;overflow:hidden;border-radius:var(--radius-img);background:var(--surface-2);aspect-ratio:16/10;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{display:flex;flex-direction:column;gap:10px;min-width:0;}
.post-title{font-size:19px;line-height:1.5;color:var(--ink);font-weight:800;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-title:hover{color:var(--primary-600);}
.post-excerpt{color:var(--ink-2);font-size:15px;line-height:1.8;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-2);margin-top:auto;font-variant-numeric:tabular-nums;}
.post-meta a{font-weight:700;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:8px 20px;box-shadow:var(--shadow-1);}
.side-head{padding:16px 0 12px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;}
.side-head h3{font-size:16px;}
.compact-item{display:block;padding:14px 0;border-bottom:1px dashed rgba(23,33,30,.14);}
.compact-item:last-child{border-bottom:0;}
.compact-title{display:block;font-size:15px;font-weight:700;color:var(--ink);line-height:1.6;transition:color .16s ease;}
.compact-title:hover{color:var(--primary-600);}
.compact-meta{display:flex;align-items:center;gap:10px;margin-top:6px;font-size:12.5px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.compact-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.list-more{display:flex;justify-content:center;margin-top:36px;}
.list-more a{font-size:15px;font-weight:700;padding:12px 26px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);}
.list-more a:hover{background:var(--surface-2);color:var(--primary-600);}
.empty-state{
  border:1px dashed rgba(23,33,30,.22);border-radius:var(--radius-card);background:var(--surface);
  padding:52px 24px;text-align:center;color:var(--ink-2);
}
.empty-state .empty-title{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.empty-state p{font-size:14.5px;margin:0;}
/* guide */
.guide-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:start;}
.guide-copy h3{font-size:20px;margin-bottom:14px;}
.guide-copy p{color:var(--ink-2);font-size:15.5px;}
.quote-card{
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--primary);
  border-radius:var(--radius-card);padding:26px 26px 24px;box-shadow:var(--shadow-1);
}
.quote-card h3{font-size:17px;margin-bottom:12px;}
.quote-card p{color:var(--ink-2);font-size:15px;}
.quote-card .pill{margin-top:16px;}
/* spotlight */
.spot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.spot-card{
  display:grid;grid-template-columns:88px minmax(0,1fr);gap:16px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.spot-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(228,102,60,.28);}
.spot-thumb{width:88px;height:88px;overflow:hidden;border-radius:var(--radius-img);background:var(--surface-2);}
.spot-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.spot-card:hover .spot-thumb img{transform:scale(1.04);}
.spot-body{min-width:0;}
.spot-body h3{font-size:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.spot-body h3 a{color:var(--ink);}
.spot-body h3 a:hover{color:var(--primary-600);}
.spot-body p{font-size:13.5px;color:var(--ink-2);margin:8px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
/* city */
.city-wall{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.city-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:14px;color:var(--ink-2);
  transition:border-color .16s ease,color .16s ease,background-color .16s ease;
}
.city-chip:hover{border-color:rgba(47,143,121,.45);color:var(--accent);background:var(--accent-soft);}
.city-note{font-size:13.5px;color:var(--ink-2);margin-top:20px;}
/* faq */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px 20px 16px;font-size:17px;font-weight:700;color:var(--ink);
  cursor:pointer;list-style:none;border-left:3px solid transparent;transition:background-color .16s ease,border-color .16s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--surface-2);}
.faq-item[open] summary{border-left-color:var(--primary);color:var(--primary-600);}
.faq-icon{flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1;color:var(--ink-2);}
.faq-item[open] .faq-icon{background:rgba(228,102,60,.12);border-color:rgba(228,102,60,.35);color:var(--primary-600);}
.faq-answer{padding:0 4px 22px 19px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:820px;}
/* cta */
.cta-band{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:center;}
.cta-inner h2{font-size:28px;line-height:1.35;margin-bottom:12px;}
.cta-inner p{color:var(--ink-2);font-size:15.5px;max-width:640px;}
.dl-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);}
.dl-box h3{font-size:16px;margin-bottom:6px;}
.dl-box .dl-version{font-size:13px;color:var(--ink-2);margin-bottom:16px;font-variant-numeric:tabular-nums;}
.dl-actions{display:grid;gap:10px;}
.dl-actions .btn{width:100%;height:46px;font-size:15px;}
.dl-note{font-size:12.5px;color:var(--ink-2);margin-top:14px;line-height:1.7;}
.disclaimer{font-size:12.5px;color:var(--ink-2);margin-top:22px;line-height:1.75;}
/* footer */
.site-footer{background:var(--night);color:rgba(255,255,255,.80);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.6);}
.site-footer .brand-mark{background:var(--primary);color:#17211E;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);margin-top:16px;max-width:360px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.site-footer a{display:inline-block;color:rgba(255,255,255,.72);font-size:14px;line-height:2;text-decoration:none;}
.site-footer a:hover{color:#fff;}
.site-footer .pill-line{border-color:rgba(255,255,255,.25);color:rgba(255,255,255,.8);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.55);flex-wrap:wrap;}
/* mobile bar */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:58;height:62px;display:none;
  align-items:center;justify-content:space-between;gap:14px;padding:0 16px;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(23,33,30,.08);
  transform:translateY(110%);transition:transform .25s ease;
}
.mobile-bar.show{transform:translateY(0);}
.mobile-bar .mb-text{display:flex;flex-direction:column;line-height:1.3;min-width:0;}
.mobile-bar .mb-text strong{font-size:14px;color:var(--ink);}
.mobile-bar .mb-text span{font-size:11.5px;color:var(--ink-2);}
.mobile-bar .btn{height:44px;padding:0 18px;font-size:14.5px;}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .header-inner{gap:16px;}
  .nav-main{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .ph-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .stat-panel{max-width:420px;}
  .post-grid{grid-template-columns:minmax(0,1fr);}
  .spot-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:24px;}
  .guide-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .mobile-bar{display:flex;}
  .site-footer{padding-bottom:96px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:60px 0;}
  .section-tight{padding:48px 0;}
  .page-head{padding:32px 0 32px;}
  .page-head h1{font-size:29px;}
  .section-head h2{font-size:24px;}
  .post-card{grid-template-columns:minmax(0,1fr);padding:16px;}
  .post-thumb{aspect-ratio:16/9;}
  .spot-grid{grid-template-columns:minmax(0,1fr);}
  .cta-inner h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .filter-hint{display:none;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .page-head h1{font-size:26px;}
  .brand-name{font-size:14.5px;}
  .brand-sub{font-size:10.5px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .stat-row dd{font-size:16px;}
  .dl-actions .btn{height:44px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}