/* roulang page: index */
:root{
  --c-primary:#A9482F;
  --c-primary-deep:#7E3220;
  --c-secondary:#2F4A3F;
  --c-accent:#E8B04B;
  --c-bg:#FAF5EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F2E9DC;
  --c-ink:#241C18;
  --c-ink-soft:#6B5C53;
  --c-line:#E3D6C6;
  --c-ok:#3E7A5E;
  --c-muted:#8C8078;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --sh-1:0 1px 2px rgba(36,28,24,.05),0 8px 24px rgba(36,28,24,.07);
  --sh-2:0 2px 4px rgba(36,28,24,.06),0 16px 36px rgba(36,28,24,.13);
  --bs-primary:#A9482F;
  --bs-primary-rgb:169,72,47;
  --bs-body-bg:#FAF5EE;
  --bs-body-color:#241C18;
  --bs-border-color:#E3D6C6;
  --bs-link-color:#A9482F;
  --bs-link-hover-color:#7E3220;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.2px;text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--c-primary-deep);}
h1,h2,h3,h4{font-weight:800;color:var(--c-ink);margin:0;line-height:1.35;letter-spacing:0;}
h1{font-size:clamp(28px,4.2vw,44px);}
h2{font-size:clamp(22px,2.6vw,30px);}
h3{font-size:19px;font-weight:700;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px dashed var(--c-secondary);outline-offset:3px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-sm) 0;z-index:2000;}
.skip-link:focus{left:0;color:#fff;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
.narrow{max-width:820px;margin-left:auto;margin-right:auto;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,245,238,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(36,28,24,.09);background:rgba(255,255,255,.96);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;font-size:17px;letter-spacing:.4px;}
.brand:hover{color:var(--c-primary-deep);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 36px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:0;box-shadow:var(--sh-1);
}
.brand small{display:block;font-size:11.5px;font-weight:500;color:var(--c-ink-soft);letter-spacing:1.5px;line-height:1.4;}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn-menu{
  width:46px;height:46px;border-radius:14px;border:1px solid var(--c-line);background:var(--c-surface);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn-menu span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:background .2s ease;}
.btn-menu:hover{border-color:var(--c-primary);box-shadow:var(--sh-1);}
.btn-menu:hover span{background:var(--c-primary);}

/* Buttons */
.btn-cta,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:11px 26px;border-radius:999px;font-weight:700;font-size:15px;
  text-align:center;cursor:pointer;border:1.5px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-cta{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(169,72,47,.24);}
.btn-cta:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(126,50,32,.3);}
.btn-cta:active{transform:translateY(0);box-shadow:0 4px 12px rgba(126,50,32,.26);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:rgba(169,72,47,.08);color:var(--c-primary-deep);border-color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-soft{background:var(--c-surface-alt);color:var(--c-ink);border-color:var(--c-line);}
.btn-soft:hover{background:#EADFCC;color:var(--c-primary-deep);border-color:var(--c-primary);}
.btn-sm{min-height:40px;padding:8px 20px;font-size:14px;}
.btn-block{width:100%;}

/* Offcanvas drawer */
.offcanvas.drawer{
  width:min(560px,92vw);background:var(--c-bg);border-left:1px solid var(--c-line);
  box-shadow:-18px 0 50px rgba(36,28,24,.22);padding:0;
}
.offcanvas-backdrop.show{opacity:.55;backdrop-filter:blur(3px);background:#241C18;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--c-line);}
.drawer-title{font-size:13px;letter-spacing:3px;color:var(--c-ink-soft);font-weight:600;}
.btn-close-drawer{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink);font-size:20px;line-height:1;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-close-drawer:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.drawer-body{padding:26px 24px 34px;overflow-y:auto;height:calc(100% - 81px);}
.drawer-nav{margin-bottom:28px;}
.drawer-nav a{
  display:block;font-size:23px;font-weight:800;color:var(--c-ink);padding:12px 0;
  border-bottom:1px solid transparent;position:relative;transition:color .22s ease,padding-left .22s ease;
}
.drawer-nav a::after{
  content:"";position:absolute;left:0;bottom:6px;height:2px;width:0;background:var(--c-primary);transition:width .26s ease;
}
.drawer-nav a:hover{color:var(--c-primary);padding-left:6px;}
.drawer-nav a:hover::after{width:52px;}
.drawer-nav a.active{color:var(--c-primary);}
.drawer-nav a.active::after{width:52px;}
.drawer-sub{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;padding:18px 0 22px;border-top:1px solid var(--c-line);}
.drawer-sub a{font-size:14px;color:var(--c-ink-soft);padding:7px 0;}
.drawer-sub a:hover{color:var(--c-primary);}
.drawer-foot{border-top:1px solid var(--c-line);padding-top:20px;}
.drawer-foot p{font-size:13.5px;color:var(--c-ink-soft);margin-bottom:14px;}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 74px;
  background:
    radial-gradient(520px 320px at 82% 8%,rgba(232,176,75,.18),transparent 70%),
    radial-gradient(460px 300px at 4% 92%,rgba(169,72,47,.10),transparent 72%),
    var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:var(--c-primary-deep);background:rgba(169,72,47,.10);border:1px solid rgba(169,72,47,.24);
  padding:6px 16px;border-radius:999px;margin-bottom:20px;
}
.hero h1{margin-bottom:18px;}
.hero h1 .hl{color:var(--c-primary);}
.hero-lead{font-size:16.5px;color:var(--c-ink-soft);max-width:600px;margin-bottom:20px;}
.hero-intro{font-size:15px;color:var(--c-ink-soft);max-width:600px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  font-size:13px;color:var(--c-ink-soft);background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:999px;padding:5px 14px;
}
.hero-visual{position:relative;}
.hero-photo{
  border-radius:var(--r-lg) var(--r-lg) var(--r-md) var(--r-md);overflow:hidden;
  box-shadow:var(--sh-2);border:1px solid var(--c-line);background:var(--c-surface-alt);
  aspect-ratio:4/3;
}
.hero-photo img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:-14px;bottom:-22px;width:min(320px,88%);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:16px 18px;
}
.hero-float .tag-ok{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:#fff;background:var(--c-ok);border-radius:999px;padding:3px 12px;}
.hero-float strong{display:block;font-size:17px;margin:10px 0 4px;}
.hero-float span.small{font-size:13px;color:var(--c-ink-soft);}
.pick-card{
  position:relative;background:var(--c-surface);border:1.5px solid var(--c-primary);
  border-radius:var(--r-md);box-shadow:var(--sh-2);padding:20px 20px 18px;
}
.pick-card .pick-badge{
  position:absolute;top:-13px;left:18px;background:var(--c-primary);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:1px;border-radius:999px;padding:4px 14px;
}
.pick-card h3{font-size:17px;margin-bottom:6px;}
.pick-card .pick-meta{font-size:13.5px;color:var(--c-ink-soft);margin-bottom:14px;}
.pick-list li{font-size:14px;color:var(--c-ink-soft);display:flex;gap:8px;padding:4px 0;}
.pick-list li::before{content:"✓";color:var(--c-ok);font-weight:800;}

/* Sections */
section{padding:76px 0;}
section.bg-alt{background:var(--c-surface-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
section.bg-plain{background:var(--c-bg);}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;color:var(--c-primary);
  text-transform:uppercase;margin-bottom:10px;
}
.sec-head h2{margin-bottom:10px;}
.sec-head p{font-size:15px;color:var(--c-ink-soft);margin:0;}

/* Stats */
.stats-row{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 16px 18px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(169,72,47,.35);}
.stat-num{
  font-family:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:34px;font-weight:800;line-height:1;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.stat-num small{font-size:14px;font-weight:700;margin-left:2px;color:var(--c-ink-soft);}
.stat-bar{width:26px;height:2px;background:var(--c-accent);border-radius:2px;margin:10px 0 10px;}
.stat-label{font-size:14.5px;font-weight:700;color:var(--c-ink);display:block;margin-bottom:4px;}
.stat-note{font-size:12.5px;color:var(--c-ink-soft);line-height:1.6;}

/* Download */
.dl-wrap{
  background:linear-gradient(160deg,var(--c-secondary),#24392F 78%);
  border-radius:var(--r-lg);padding:38px 34px;color:#fff;position:relative;overflow:hidden;
  box-shadow:var(--sh-2);
}
.dl-wrap::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,176,75,.28),transparent 68%);
}
.dl-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:34px;align-items:center;position:relative;z-index:2;}
.dl-wrap h2{color:#fff;margin-bottom:10px;}
.dl-wrap p{color:rgba(255,255,255,.78);font-size:14.5px;margin:0;}
.dl-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.dl-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-md);
  padding:18px 14px;text-align:center;transition:background .24s ease,transform .24s ease,border-color .24s ease;
}
.dl-card:hover{background:rgba(255,255,255,.14);border-color:rgba(232,176,75,.55);transform:translateY(-3px);}
.dl-card .dl-ico{
  width:42px;height:42px;border-radius:12px;margin:0 auto 10px;display:flex;align-items:center;justify-content:center;
  background:rgba(232,176,75,.22);color:var(--c-accent);font-size:15px;font-weight:800;
}
.dl-card strong{display:block;font-size:15px;color:#fff;margin-bottom:4px;}
.dl-card small{display:block;font-size:12px;color:rgba(255,255,255,.66);margin-bottom:12px;}
.dl-btn{
  display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:42px;
  border-radius:999px;background:var(--c-accent);color:#3A2A12;font-weight:800;font-size:13.5px;
  border:1px solid transparent;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.dl-btn:hover{background:#F3C468;color:#3A2A12;transform:translateY(-1px);box-shadow:0 8px 18px rgba(0,0,0,.22);}

/* Project matrix */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.m-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.m-card:hover{border-color:rgba(169,72,47,.35);box-shadow:var(--sh-2);transform:translateY(-3px);}
.m-card .m-media{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--c-surface-alt);}
.m-card .m-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.m-card:hover .m-media img{transform:scale(1.04);}
.m-badge{
  position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--c-ok);
  font-size:12px;font-weight:700;border-radius:999px;padding:3px 12px;border:1px solid rgba(62,122,94,.28);
}
.m-badge.off{color:var(--c-muted);border-color:rgba(140,128,120,.3);}
.m-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.m-body h3{font-size:17px;margin-bottom:8px;}
.m-body p{font-size:14px;color:var(--c-ink-soft);margin-bottom:14px;flex:1;}
.m-link{font-size:13.5px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.m-link:hover{color:var(--c-primary-deep);gap:10px;}
.m-card.feat{grid-column:span 2;grid-row:span 2;}
.m-card.feat .m-media{aspect-ratio:16/9;}
.m-card.feat .m-body h3{font-size:21px;}

/* Areas + schedule */
.split{display:grid;grid-template-columns:7fr 5fr;gap:26px;align-items:start;}
.panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);}
.panel h3{font-size:18px;margin-bottom:8px;}
.panel .panel-desc{font-size:14px;color:var(--c-ink-soft);margin-bottom:18px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  font-size:13.5px;color:var(--c-ink-soft);background:var(--c-surface-alt);border:1px solid var(--c-line);
  border-radius:999px;padding:6px 15px;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:rgba(169,72,47,.1);color:var(--c-primary-deep);border-color:rgba(169,72,47,.4);}
.slot-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px dashed var(--c-line);}
.slot-row:last-child{border-bottom:none;padding-bottom:0;}
.slot-row .slot-name{font-size:14.5px;font-weight:700;}
.slot-row .slot-time{font-size:13px;color:var(--c-ink-soft);display:block;font-weight:400;}
.badge-ok,.badge-wait{font-size:12px;font-weight:700;border-radius:999px;padding:4px 12px;white-space:nowrap;}
.badge-ok{background:rgba(62,122,94,.12);color:var(--c-ok);border:1px solid rgba(62,122,94,.3);}
.badge-wait{background:rgba(140,128,120,.12);color:var(--c-muted);border:1px solid rgba(140,128,120,.3);}

/* Compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;position:relative;}
.compare::before{content:"";position:absolute;left:50%;top:8px;bottom:8px;width:1px;background:var(--c-line);}
.cmp-col{padding:28px 30px;}
.cmp-box{border-radius:var(--r-md);padding:28px 26px;height:100%;}
.cmp-left{background:#EDE5D8;border:1px solid var(--c-line);color:var(--c-ink-soft);}
.cmp-right{background:var(--c-surface);border:1.5px solid var(--c-primary);box-shadow:var(--sh-2);}
.cmp-box h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.cmp-box h3 .dot{width:10px;height:10px;border-radius:50%;background:var(--c-muted);}
.cmp-right h3 .dot{background:var(--c-primary);}
.cmp-list li{font-size:14.5px;padding:8px 0 8px 24px;position:relative;color:inherit;}
.cmp-list li::before{position:absolute;left:0;top:8px;font-weight:800;}
.cmp-left .cmp-list li::before{content:"·";font-size:20px;line-height:1;top:6px;color:var(--c-muted);}
.cmp-right .cmp-list li::before{content:"✓";color:var(--c-ok);}

/* Timeline */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:10px;}
.timeline::before{
  content:"";position:absolute;left:8%;right:8%;top:19px;height:0;
  border-top:1.5px dashed var(--c-line);
}
.tl-node{position:relative;padding:0 12px;text-align:center;z-index:2;}
.tl-dot{
  width:38px;height:38px;border-radius:50%;background:var(--c-surface);border:1.5px solid var(--c-primary);
  color:var(--c-primary);font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;
  margin:0 auto 14px;
}
.tl-node h3{font-size:15.5px;margin-bottom:6px;}
.tl-node p{font-size:13px;color:var(--c-ink-soft);margin:0;line-height:1.65;}

/* Ranking */
.rank-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);}
.rank-item{
  display:grid;grid-template-columns:52px 1fr auto auto;gap:16px;align-items:center;
  padding:16px 22px;border-bottom:1px solid var(--c-line);transition:background .2s ease;
}
.rank-item:last-child{border-bottom:none;}
.rank-item:hover{background:var(--c-surface-alt);}
.rank-no{font-family:"DIN Alternate",ui-monospace,monospace;font-size:19px;font-weight:800;color:var(--c-primary);}
.rank-title{font-size:15.5px;font-weight:700;}
.rank-desc{font-size:13px;color:var(--c-ink-soft);font-weight:400;margin-top:2px;}
.rank-tag{font-size:12.5px;color:var(--c-ink-soft);background:var(--c-surface-alt);border-radius:999px;padding:3px 12px;white-space:nowrap;}
.rank-val{font-size:13.5px;color:var(--c-ok);font-weight:700;white-space:nowrap;}

/* Cards generic */
.card-grid{display:grid;gap:20px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.info-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh-1);transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.info-card:hover{border-color:rgba(169,72,47,.35);box-shadow:var(--sh-2);transform:translateY(-3px);}
.info-ico{
  width:44px;height:44px;border-radius:14px;background:var(--c-surface-alt);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:14px;
}
.info-card h3{font-size:16px;margin-bottom:8px;}
.info-card p{font-size:14px;color:var(--c-ink-soft);margin:0;}

/* Scene cards */
.scene-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;display:flex;flex-direction:column;
}
.scene-card:hover{border-color:rgba(169,72,47,.35);box-shadow:var(--sh-2);transform:translateY(-3px);}
.scene-media{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-alt);}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.scene-card:hover .scene-media img{transform:scale(1.04);}
.scene-body{padding:18px 18px 20px;}
.scene-body h3{font-size:16px;margin-bottom:6px;}
.scene-body p{font-size:13.5px;color:var(--c-ink-soft);margin-bottom:12px;}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.rev-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--sh-1);}
.rev-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.rev-avatar{
  width:40px;height:40px;border-radius:50%;background:var(--c-surface-alt);color:var(--c-primary-deep);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;flex:0 0 40px;
}
.rev-name{font-size:14px;font-weight:700;}
.rev-stars{font-size:12.5px;color:var(--c-accent);letter-spacing:1px;}
.rev-text{font-size:13.5px;color:var(--c-ink-soft);margin-bottom:12px;}
.rev-tag{font-size:12px;color:var(--c-secondary);background:rgba(47,74,63,.1);border:1px solid rgba(47,74,63,.22);border-radius:999px;padding:3px 12px;display:inline-block;}

/* Quick answers */
.quick-row{display:flex;flex-wrap:wrap;gap:12px;}
.quick-pill{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-ink);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;padding:11px 20px;
  box-shadow:var(--sh-1);transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.quick-pill:hover{background:rgba(169,72,47,.09);color:var(--c-primary-deep);border-color:rgba(169,72,47,.42);transform:translateY(-2px);}

/* FAQ accordion */
.faq .accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm)!important;
  margin-bottom:10px;overflow:hidden;box-shadow:var(--sh-1);position:relative;
}
.faq .accordion-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background .22s ease;}
.faq .accordion-item:has(.accordion-button:not(.collapsed))::before{background:var(--c-primary);}
.faq .accordion-button{
  font-size:16px;font-weight:600;color:var(--c-ink);background:var(--c-surface);padding:18px 52px 18px 22px;
  box-shadow:none!important;border:none;line-height:1.6;
}
.faq .accordion-button:not(.collapsed){color:var(--c-primary-deep);background:rgba(169,72,47,.045);}
.faq .accordion-button:focus{box-shadow:none;outline:2px dashed var(--c-secondary);outline-offset:-4px;}
.faq .accordion-button::after{
  background-image:none;content:"";width:9px;height:9px;border-right:2px solid var(--c-ink-soft);
  border-bottom:2px solid var(--c-ink-soft);transform:rotate(45deg);transition:transform .26s ease,border-color .26s ease;
  margin-left:auto;position:absolute;right:24px;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--c-primary);}
.faq .accordion-body{font-size:14.5px;color:var(--c-ink-soft);padding:0 22px 20px;line-height:1.85;}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px 20px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.news-card:hover{border-color:rgba(169,72,47,.35);box-shadow:var(--sh-2);transform:translateY(-3px);}
.news-badge{font-size:12px;font-weight:700;color:var(--c-primary);background:rgba(169,72,47,.1);border-radius:999px;padding:3px 12px;display:inline-block;margin-bottom:12px;align-self:flex-start;}
.news-card h3{font-size:16.5px;margin-bottom:8px;line-height:1.55;}
.news-card h3 a{color:var(--c-ink);}
.news-card h3 a:hover{color:var(--c-primary);}
.news-card p{font-size:13.5px;color:var(--c-ink-soft);flex:1;margin-bottom:14px;}
.news-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-ink-soft);border-top:1px solid var(--c-line);padding-top:12px;}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-md);color:var(--c-ink-soft);font-size:14px;
}
.empty-art{width:64px;height:64px;border-radius:18px;background:var(--c-surface-alt);display:flex;align-items:center;justify-content:center;color:var(--c-muted);font-size:22px;font-weight:800;}

/* Booking form */
.booking-wrap{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.booking-info h2{margin-bottom:14px;}
.booking-info p{font-size:15px;color:var(--c-ink-soft);}
.trust-list{margin-top:22px;}
.trust-list li{display:flex;gap:10px;font-size:14px;color:var(--c-ink-soft);padding:6px 0;}
.trust-list li::before{content:"✓";color:var(--c-ok);font-weight:800;}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--sh-2);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--c-ink-soft);margin-bottom:6px;}
.form-control,.form-select{
  height:46px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  font-size:14.5px;padding:10px 14px;transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;min-height:92px;resize:vertical;line-height:1.7;}
.form-control:focus,.form-select:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(169,72,47,.14);outline:none;
}
.form-note{font-size:12.5px;color:var(--c-ink-soft);margin-top:12px;line-height:1.7;}

/* Footer */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.82);padding:62px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.6px;}
.site-footer p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.7);}
.site-footer a{color:rgba(255,255,255,.76);font-size:13.5px;display:block;padding:5px 0;transition:color .2s ease,padding-left .2s ease;}
.site-footer a:hover{color:#fff;padding-left:4px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-brand strong{color:#fff;font-size:16px;letter-spacing:.6px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);padding:20px 0 26px;display:flex;flex-wrap:wrap;
  gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{display:inline;padding:0;font-size:12.5px;color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;padding-left:0;}

/* Responsive */
@media (max-width:1199px){
  .stats-row{grid-template-columns:repeat(3,1fr);}
  .review-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  section{padding:56px 0;}
  .hero{padding:46px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero-float{position:static;width:100%;margin-top:16px;left:auto;bottom:auto;}
  .matrix{grid-template-columns:repeat(2,1fr);}
  .m-card.feat{grid-column:span 2;grid-row:auto;}
  .split{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .compare::before{display:none;}
  .cmp-col{padding:0 0 18px;}
  .timeline{grid-template-columns:1fr;gap:18px;}
  .timeline::before{left:18px;right:auto;top:10px;bottom:10px;width:0;height:auto;border-top:none;border-left:1.5px dashed var(--c-line);}
  .tl-node{display:grid;grid-template-columns:38px 1fr;column-gap:16px;text-align:left;padding:0;}
  .tl-dot{margin:0;}
  .tl-node h3{grid-column:2;margin-bottom:2px;}
  .tl-node p{grid-column:2;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .dl-grid{grid-template-columns:1fr;gap:24px;}
  .booking-wrap{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .rank-item{grid-template-columns:40px 1fr auto;gap:12px;}
  .rank-val{display:none;}
}
@media (max-width:575px){
  body{font-size:15.5px;}
  .container-x{padding-left:16px;padding-right:16px;}
  section{padding:44px 0;}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat-num{font-size:28px;}
  .matrix{grid-template-columns:1fr;}
  .m-card.feat{grid-column:span 1;}
  .grid-4,.grid-3,.news-grid,.review-grid{grid-template-columns:1fr;}
  .dl-cards{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .drawer-nav a{font-size:21px;}
  .drawer-sub{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn-cta,.hero-actions .btn-ghost{width:100%;}
  .panel{padding:20px 18px;}
  .form-card{padding:22px 18px;}
  .rank-item{grid-template-columns:34px 1fr;}
  .rank-tag{display:none;}
}

/* roulang page: article */
:root{
  --c-primary:#A9482F;
  --c-primary-deep:#7E3220;
  --c-secondary:#2F4A3F;
  --c-accent:#E8B04B;
  --c-bg:#FAF5EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F2E9DC;
  --c-ink:#241C18;
  --c-ink-soft:#6B5C53;
  --c-line:#E3D6C6;
  --c-ok:#3E7A5E;
  --c-muted:#8C8078;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --sh-1:0 1px 2px rgba(36,28,24,.05),0 8px 24px rgba(36,28,24,.07);
  --sh-2:0 2px 4px rgba(36,28,24,.06),0 16px 36px rgba(36,28,24,.13);
  --bs-primary:#A9482F;
  --bs-primary-rgb:169,72,47;
  --bs-body-bg:#FAF5EE;
  --bs-body-color:#241C18;
  --bs-border-color:#E3D6C6;
  --bs-link-color:#A9482F;
  --bs-link-hover-color:#7E3220;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.2px;text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--c-primary-deep);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{font-weight:800;letter-spacing:.2px;color:var(--c-ink);}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
.narrow{max-width:820px;margin-left:auto;margin-right:auto;}
/* Header */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,245,238,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(36,28,24,.09);background:rgba(255,255,255,.96);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;font-size:17px;letter-spacing:.4px;}
.brand:hover{color:var(--c-primary-deep);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 36px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:0;box-shadow:var(--sh-1);
}
.brand small{display:block;font-size:11.5px;font-weight:500;color:var(--c-ink-soft);letter-spacing:1.5px;line-height:1.4;}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn-menu{
  width:46px;height:46px;border-radius:14px;border:1px solid var(--c-line);background:var(--c-surface);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn-menu span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:background .2s ease;}
.btn-menu:hover{border-color:var(--c-primary);box-shadow:var(--sh-1);}
.btn-menu:hover span{background:var(--c-primary);}
/* Buttons */
.btn-cta,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:11px 26px;border-radius:999px;font-weight:700;font-size:15px;
  text-align:center;cursor:pointer;border:1.5px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-cta{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(169,72,47,.24);}
.btn-cta:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(126,50,32,.3);}
.btn-cta:active{transform:translateY(0);box-shadow:0 4px 12px rgba(126,50,32,.26);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:rgba(169,72,47,.08);color:var(--c-primary-deep);border-color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-soft{background:var(--c-surface-alt);color:var(--c-ink);border-color:var(--c-line);}
.btn-soft:hover{background:#EADFCC;color:var(--c-primary-deep);border-color:var(--c-primary);}
.btn-sm{min-height:40px;padding:8px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-cta:focus-visible,.btn-ghost:focus-visible,.btn-soft:focus-visible,.btn-menu:focus-visible{
  outline:2px dashed var(--c-secondary);outline-offset:3px;
}
/* Drawer */
.offcanvas.drawer{
  width:min(560px,92vw);background:var(--c-bg);border-left:1px solid var(--c-line);
  box-shadow:-18px 0 50px rgba(36,28,24,.22);padding:0;
}
.offcanvas-backdrop.show{opacity:.55;backdrop-filter:blur(3px);background:#241C18;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--c-line);}
.drawer-title{font-size:13px;letter-spacing:3px;color:var(--c-ink-soft);font-weight:600;}
.btn-close-drawer{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink);font-size:20px;line-height:1;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-close-drawer:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.drawer-body{padding:26px 24px 34px;overflow-y:auto;height:calc(100% - 81px);}
.drawer-nav{margin-bottom:24px;}
.drawer-nav a{
  display:block;font-size:23px;font-weight:800;color:var(--c-ink);padding:12px 0;
  border-bottom:1px solid transparent;position:relative;transition:color .22s ease,padding-left .22s ease;
}
.drawer-nav a::after{
  content:"";position:absolute;left:0;bottom:6px;height:2px;width:0;background:var(--c-primary);transition:width .26s ease;
}
.drawer-nav a:hover{color:var(--c-primary);padding-left:6px;}
.drawer-nav a:hover::after{width:52px;}
.drawer-nav a.active{color:var(--c-primary);}
.drawer-nav a.active::after{width:52px;}
.drawer-sub{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;padding:18px 0 22px;border-top:1px solid var(--c-line);}
.drawer-sub a{font-size:14px;color:var(--c-ink-soft);padding:7px 0;display:block;}
.drawer-sub a:hover{color:var(--c-primary);}
.drawer-foot{border-top:1px solid var(--c-line);padding-top:20px;}
.drawer-foot p{font-size:13.5px;color:var(--c-ink-soft);margin:0 0 14px;}
/* Article head */
.article-head{background:var(--c-surface-alt);border-bottom:1px solid var(--c-line);padding:38px 0 44px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-soft);margin-bottom:18px;}
.crumbs a{color:var(--c-ink-soft);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:#B9AB99;}
.crumbs .current{color:var(--c-ink);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-badge{
  display:inline-flex;align-items:center;gap:6px;background:rgba(169,72,47,.1);
  color:var(--c-primary-deep);border:1px solid rgba(169,72,47,.28);
  border-radius:999px;padding:5px 14px;font-size:13px;font-weight:700;margin-bottom:16px;
}
.article-title{font-size:clamp(26px,3.6vw,40px);line-height:1.38;margin:0 0 18px;max-width:960px;word-break:break-word;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--c-ink-soft);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--c-accent);display:inline-block;}
/* Layout */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;align-items:start;
  padding:52px 0 76px;
}
.article-main{min-width:0;}
.brief-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-left:4px solid var(--c-accent);
  border-radius:var(--r-md);padding:22px 24px;margin-bottom:24px;box-shadow:var(--sh-1);
}
.brief-card h2{font-size:17px;margin:0 0 10px;color:var(--c-primary-deep);}
.brief-card ul{margin:0;padding-left:1.15em;font-size:14.5px;color:var(--c-ink-soft);line-height:1.85;}
.brief-card li{margin-bottom:4px;}
.article-body{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:34px 38px;box-shadow:var(--sh-1);
  font-size:16.5px;line-height:1.95;color:var(--c-ink);word-break:break-word;
}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-size:23px;line-height:1.55;margin:34px 0 14px;padding-left:14px;
  border-left:4px solid var(--c-primary);letter-spacing:.3px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:19px;margin:26px 0 10px;color:var(--c-secondary);}
.article-body h4{font-size:17px;margin:20px 0 8px;}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.35em;}
.article-body li{margin-bottom:.45em;}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--c-surface-alt);
  border-left:4px solid var(--c-secondary);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--c-ink-soft);font-size:15.5px;
}
.article-body img{border-radius:var(--r-md);margin:20px 0;box-shadow:var(--sh-1);}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13.5px;color:var(--c-ink-soft);text-align:center;margin-top:8px;}
.article-body a{text-decoration:underline;text-underline-offset:3px;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--c-surface-alt);font-weight:700;}
.article-body .tip,.article-body .warn{
  margin:22px 0;padding:16px 18px;border-radius:var(--r-sm);font-size:15px;line-height:1.8;
}
.article-body .tip{background:rgba(62,122,94,.09);border:1px solid rgba(62,122,94,.28);color:#2C5A44;}
.article-body .warn{background:rgba(169,72,47,.08);border:1px solid rgba(169,72,47,.26);color:var(--c-primary-deep);}
.empty-state{padding:28px 4px;text-align:center;}
.empty-state h2{font-size:22px;border:0;padding:0;margin:0 0 12px;}
.empty-state p{color:var(--c-ink-soft);margin-bottom:20px;}
/* Sidebar */
.aside-stack{position:sticky;top:88px;display:grid;gap:18px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 20px 22px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;margin:0 0 12px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-primary);display:inline-block;}
.side-card p{font-size:14px;color:var(--c-ink-soft);margin:0 0 14px;line-height:1.8;}
.side-list{list-style:none;margin:0 0 4px;padding:0;font-size:14px;color:var(--c-ink-soft);}
.side-list li{padding:7px 0;border-bottom:1px dashed var(--c-line);}
.side-list li:last-child{border-bottom:0;}
.side-cta{display:grid;gap:10px;margin-top:6px;}
.side-card .btn-cta,.side-card .btn-ghost{width:100%;}
.side-badge{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--c-ok);
  background:rgba(62,122,94,.1);border:1px solid rgba(62,122,94,.26);
  border-radius:999px;padding:3px 10px;margin-bottom:12px;
}
/* Sections */
.section{padding:64px 0;border-top:1px solid var(--c-line);}
.section-alt{background:var(--c-surface-alt);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-kicker{font-size:12.5px;letter-spacing:3px;color:var(--c-primary);font-weight:700;margin-bottom:10px;}
.section-title{font-size:clamp(22px,2.6vw,30px);margin:0 0 12px;line-height:1.45;}
.section-desc{color:var(--c-ink-soft);font-size:15px;margin:0;line-height:1.85;}
.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.help-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh-1);transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.help-card:hover{border-color:rgba(169,72,47,.35);box-shadow:var(--sh-2);transform:translateY(-3px);}
.help-card h3{font-size:17px;margin:0 0 10px;}
.help-card p{font-size:14px;color:var(--c-ink-soft);margin:0 0 16px;line-height:1.8;}
.help-card .link-more{font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.help-card .link-more::after{content:"→";transition:transform .22s ease;}
.help-card:hover .link-more::after{transform:translateX(3px);}
/* Category entry */
.cat-entry{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:30px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  box-shadow:var(--sh-1);
}
.cat-entry-text{flex:1 1 420px;min-width:0;}
.cat-entry h2{font-size:22px;margin:0 0 10px;}
.cat-entry p{margin:0;color:var(--c-ink-soft);font-size:14.5px;line-height:1.85;}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.cat-tags span{
  font-size:13px;color:var(--c-secondary);background:rgba(47,74,63,.08);
  border:1px solid rgba(47,74,63,.22);border-radius:999px;padding:4px 12px;
}
/* CTA band */
.cta-band{
  background:var(--c-primary-deep);color:#fff;border-radius:var(--r-lg);
  padding:34px 36px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin:0 0 8px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:14.5px;margin:0;max-width:600px;line-height:1.85;}
.cta-band .btn-accent{
  display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 28px;
  border-radius:999px;background:var(--c-accent);color:#3A2A16;font-weight:800;font-size:15px;
  border:1.5px solid transparent;transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.cta-band .btn-accent:hover{background:#F2C163;color:#3A2A16;transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.22);}
/* FAQ */
.accordion-item{
  border:1px solid var(--c-line)!important;border-radius:var(--r-md)!important;
  margin-bottom:10px;overflow:hidden;background:var(--c-surface);box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--c-ink);background:var(--c-surface);
  padding:16px 20px;line-height:1.7;box-shadow:none!important;
}
.accordion-button:not(.collapsed){background:var(--c-surface-alt);color:var(--c-primary-deep);}
.accordion-button:focus{outline:2px dashed var(--c-secondary);outline-offset:-4px;box-shadow:none!important;}
.accordion-button::after{transition:transform .25s ease;}
.accordion-body{padding:16px 20px 20px;font-size:15px;color:var(--c-ink-soft);line-height:1.9;}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--c-primary)!important;}
/* Download */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.dl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:26px 22px;text-align:center;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(169,72,47,.35);}
.dl-icon{
  width:52px;height:52px;border-radius:16px;margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
  background:var(--c-surface-alt);color:var(--c-primary-deep);border:1px solid var(--c-line);
}
.dl-card h3{font-size:17px;margin:0 0 8px;}
.dl-card p{font-size:13.5px;color:var(--c-ink-soft);margin:0 0 18px;line-height:1.75;}
.dl-card .btn-cta,.dl-card .btn-ghost{width:100%;}
/* Footer */
.site-footer{background:var(--c-secondary);color:#E9E2D8;padding:56px 0 0;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-size:16px;}
.site-footer h4{font-size:15px;color:#fff;margin:0 0 14px;letter-spacing:.5px;}
.site-footer p{color:#C9BFB1;font-size:14px;margin:0 0 14px;line-height:1.85;}
.site-footer a{display:block;color:#DCD3C7;font-size:14px;padding:5px 0;transition:color .2s ease,padding-left .2s ease;}
.site-footer a:hover{color:#fff;padding-left:3px;}
.site-footer .btn-cta{
  display:inline-flex;background:var(--c-accent);color:#3A2A16;font-weight:800;
  padding:10px 22px;min-height:44px;box-shadow:none;
}
.site-footer .btn-cta:hover{background:#F2C163;color:#3A2A16;transform:translateY(-1px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding:18px 0;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:#BDB3A5;
}
.footer-bottom a{display:inline;color:#DCD3C7;padding:0;}
.footer-bottom a:hover{color:#fff;padding-left:0;}
/* Responsive */
@media (max-width:1100px){
  .article-layout{grid-template-columns:1fr;gap:34px;padding:40px 0 60px;}
  .aside-stack{position:static;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
}
@media (max-width:991px){
  .help-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:52px 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .article-head{padding:28px 0 32px;}
  .article-body{padding:24px 20px;border-radius:var(--r-md);font-size:15.5px;line-height:1.9;}
  .article-body h2{font-size:20px;margin:28px 0 12px;}
  .article-body h3{font-size:17.5px;}
  .help-grid,.dl-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .cat-entry{padding:24px 22px;}
  .cta-band{padding:26px 22px;}
  .drawer-sub{grid-template-columns:1fr;}
  .article-meta{font-size:13px;gap:8px 16px;}
  .section{padding:44px 0;}
}
@media (max-width:520px){
  .brand{font-size:15.5px;}
  .brand small{display:none;}
  .crumbs{font-size:12.5px;}
  .drawer-nav a{font-size:21px;}
  .btn-cta,.btn-ghost,.btn-soft{width:100%;}
  .header-actions .btn-cta{width:auto;}
  .cta-band .btn-accent{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#A9482F;
  --c-primary-deep:#7E3220;
  --c-secondary:#2F4A3F;
  --c-accent:#E8B04B;
  --c-bg:#FAF5EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F2E9DC;
  --c-ink:#241C18;
  --c-ink-soft:#6B5C53;
  --c-line:#E3D6C6;
  --c-ok:#3E7A5E;
  --c-muted:#8C8078;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --sh-1:0 1px 2px rgba(36,28,24,.05),0 8px 24px rgba(36,28,24,.07);
  --sh-2:0 2px 4px rgba(36,28,24,.06),0 16px 36px rgba(36,28,24,.13);
  --bs-primary:#A9482F;
  --bs-primary-rgb:169,72,47;
  --bs-body-bg:#FAF5EE;
  --bs-body-color:#241C18;
  --bs-border-color:#E3D6C6;
  --bs-link-color:#A9482F;
  --bs-link-hover-color:#7E3220;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.2px;text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--c-primary-deep);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:.2px;}
h1{font-size:clamp(26px,3.6vw,38px);}
h2{font-size:clamp(22px,2.6vw,30px);}
h3{font-size:18px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
/* header */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,245,238,.92);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(36,28,24,.09);background:rgba(255,255,255,.96);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;font-size:17px;letter-spacing:.4px;}
.brand:hover{color:var(--c-primary-deep);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 36px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:0;box-shadow:var(--sh-1);
}
.brand small{display:block;font-size:11.5px;font-weight:500;color:var(--c-ink-soft);letter-spacing:1.5px;line-height:1.4;}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn-menu{
  width:46px;height:46px;border-radius:14px;border:1px solid var(--c-line);background:var(--c-surface);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn-menu span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:background .2s ease;}
.btn-menu:hover{border-color:var(--c-primary);box-shadow:var(--sh-1);}
.btn-menu:hover span{background:var(--c-primary);}
/* buttons */
.btn-cta,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:11px 26px;border-radius:999px;font-weight:700;font-size:15px;
  text-align:center;cursor:pointer;border:1.5px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-cta{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(169,72,47,.24);}
.btn-cta:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(126,50,32,.3);}
.btn-cta:active{transform:translateY(0);box-shadow:0 4px 12px rgba(126,50,32,.26);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:rgba(169,72,47,.08);color:var(--c-primary-deep);border-color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-soft{background:var(--c-surface-alt);color:var(--c-ink);border-color:var(--c-line);}
.btn-soft:hover{background:#EADFCC;color:var(--c-primary-deep);border-color:var(--c-primary);}
.btn-sm{min-height:40px;padding:8px 20px;font-size:14px;}
.btn-block{width:100%;}
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,.faq-btn:focus-visible{
  outline:2px dashed var(--c-secondary);outline-offset:3px;
}
/* drawer */
.offcanvas.drawer{
  width:min(560px,92vw);background:var(--c-bg);border-left:1px solid var(--c-line);
  box-shadow:-18px 0 50px rgba(36,28,24,.22);padding:0;
}
.offcanvas-backdrop.show{opacity:.55;background:#241C18;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--c-line);}
.drawer-title{font-size:13px;letter-spacing:3px;color:var(--c-ink-soft);font-weight:600;}
.btn-close-drawer{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink);font-size:20px;line-height:1;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-close-drawer:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.drawer-body{padding:26px 24px 34px;overflow-y:auto;height:calc(100% - 81px);}
.drawer-nav{margin-bottom:26px;}
.drawer-nav a{
  display:block;font-size:22px;font-weight:800;color:var(--c-ink);padding:12px 0;
  border-bottom:1px solid transparent;position:relative;transition:color .22s ease,padding-left .22s ease;
}
.drawer-nav a::after{
  content:"";position:absolute;left:0;bottom:6px;height:2px;width:0;background:var(--c-primary);transition:width .26s ease;
}
.drawer-nav a:hover{color:var(--c-primary);padding-left:6px;}
.drawer-nav a:hover::after{width:52px;}
.drawer-nav a.active{color:var(--c-primary);}
.drawer-nav a.active::after{width:52px;}
.drawer-sub{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;padding:18px 0 22px;border-top:1px solid var(--c-line);}
.drawer-sub a{font-size:14px;color:var(--c-ink-soft);padding:7px 0;}
.drawer-sub a:hover{color:var(--c-primary);}
.drawer-foot{border-top:1px solid var(--c-line);padding-top:20px;}
.drawer-foot p{font-size:13.5px;color:var(--c-ink-soft);margin-bottom:14px;}
/* sections */
.sec{padding:76px 0;}
.sec-tight{padding:56px 0;}
.sec-alt{background:var(--c-surface-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{margin-bottom:34px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:2.4px;color:var(--c-primary);text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:block;}
.sec-head h2{margin-bottom:10px;}
.sec-head p{color:var(--c-ink-soft);font-size:15px;}
/* breadcrumb */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-soft);margin-bottom:18px;}
.crumb a{color:var(--c-ink-soft);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{color:#C0B2A2;}
/* category hero */
.cat-hero{
  position:relative;padding:44px 0 52px;
  background:
    radial-gradient(700px 320px at 88% 0%,rgba(232,176,75,.16),transparent 68%),
    radial-gradient(560px 300px at 6% 12%,rgba(169,72,47,.10),transparent 70%),
    var(--c-bg);
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.cat-hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:34px;align-items:center;}
.cat-hero h1{margin-bottom:14px;}
.cat-hero .lead{font-size:15.5px;color:var(--c-ink-soft);max-width:620px;margin-bottom:18px;}
.cat-hero-tags{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);font-size:13px;color:var(--c-ink-soft);
}
.chip i{color:var(--c-ok);font-size:12px;}
.cat-side{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.cat-side h3{font-size:15px;color:var(--c-ink-soft);font-weight:600;letter-spacing:.6px;margin-bottom:14px;}
.side-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--c-line);font-size:14px;}
.side-row:last-of-type{border-bottom:0;}
.side-row b{font-family:"DIN Alternate",ui-monospace,monospace;font-size:20px;color:var(--c-primary);letter-spacing:.6px;}
.side-note{margin-top:14px;font-size:13px;color:var(--c-ink-soft);background:var(--c-surface-alt);border-radius:var(--r-sm);padding:10px 12px;}
/* toolbar */
.toolbar-wrap{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:16px 0;}
.toolbar{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px 18px;}
.tool-group{display:flex;flex-direction:column;gap:6px;min-width:150px;flex:1 1 150px;}
.tool-group label{font-size:12.5px;font-weight:700;color:var(--c-ink-soft);letter-spacing:1px;}
.filter-select{
  width:100%;height:44px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-bg);
  color:var(--c-ink);padding:0 14px;font-size:14px;cursor:pointer;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--c-ink-soft) 50%),linear-gradient(135deg,var(--c-ink-soft) 50%,transparent 50%);
  background-position:calc(100% - 18px) 19px,calc(100% - 13px) 19px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
}
.filter-select:hover{border-color:#D2BFA9;background-color:#fff;}
.filter-select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(169,72,47,.14);outline:none;}
.tool-result{margin-left:auto;font-size:13.5px;color:var(--c-ink-soft);white-space:nowrap;padding-bottom:11px;}
.tool-result b{color:var(--c-primary);font-family:"DIN Alternate",ui-monospace,monospace;font-size:19px;margin:0 3px;}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.pill{
  border:1px solid var(--c-line);background:var(--c-bg);color:var(--c-ink-soft);
  border-radius:999px;padding:8px 16px;font-size:13.5px;cursor:pointer;
  transition:all .2s ease;
}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(169,72,47,.06);}
.pill.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(169,72,47,.22);}
/* item cards */
.item-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.item-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.item-card:hover{border-color:rgba(169,72,47,.4);box-shadow:var(--sh-2);transform:translateY(-3px);}
.thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--c-surface-alt);}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.item-card:hover .thumb img{transform:scale(1.05);}
.thumb .badge-time{
  position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;gap:5px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(62,122,94,.92);color:#fff;letter-spacing:.4px;
}
.thumb .badge-time.off{background:rgba(140,128,120,.92);}
.item-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.item-body h3{font-size:18px;margin-bottom:2px;}
.item-body p{font-size:14px;color:var(--c-ink-soft);margin:0;line-height:1.7;}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:10px;}
.tag{
  display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;
  font-size:12px;background:var(--c-surface-alt);color:var(--c-ink-soft);border:1px solid transparent;
}
.tag.ok{background:rgba(62,122,94,.12);color:var(--c-ok);}
.tag.muted{background:rgba(140,128,120,.14);color:var(--c-muted);}
.list-foot{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:34px;text-align:center;}
.list-foot .end-btn{
  display:inline-flex;align-items:center;gap:8px;padding:11px 26px;border-radius:999px;
  border:1.5px dashed var(--c-line);color:var(--c-ink-soft);font-size:14px;background:var(--c-bg);
}
.list-foot small{font-size:13px;color:var(--c-muted);}
/* scope */
.scope-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;}
.scope-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--c-line);}
.scope-media img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.scope-list{display:flex;flex-direction:column;gap:16px;margin-top:20px;}
.scope-item{display:flex;gap:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:16px 18px;transition:border-color .22s ease,box-shadow .22s ease;}
.scope-item:hover{border-color:rgba(169,72,47,.35);box-shadow:var(--sh-1);}
.scope-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:11px;background:var(--c-surface-alt);
  color:var(--c-primary);font-weight:800;display:flex;align-items:center;justify-content:center;
  font-family:"DIN Alternate",ui-monospace,monospace;font-size:15px;
}
.scope-item h3{font-size:16px;margin-bottom:4px;}
.scope-item p{font-size:14px;color:var(--c-ink-soft);margin:0;}
/* knowledge */
.kb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.kb-card{
  display:flex;flex-direction:column;gap:10px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:20px;color:var(--c-ink);min-height:100%;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.kb-card:hover{border-color:rgba(169,72,47,.4);box-shadow:var(--sh-2);transform:translateY(-2px);color:var(--c-ink);}
.kb-card h3{font-size:16px;line-height:1.5;}
.kb-card p{font-size:13.5px;color:var(--c-ink-soft);margin:0;}
.kb-more{font-size:13px;font-weight:700;color:var(--c-primary);margin-top:auto;}
.empty-state{
  grid-column:1/-1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;border:1px dashed var(--c-line);border-radius:var(--r-md);background:var(--c-surface);color:var(--c-muted);
}
.empty-mark{width:44px;height:44px;border-radius:14px;background:var(--c-surface-alt);display:flex;align-items:center;justify-content:center;color:var(--c-muted);font-weight:800;}
.empty-state p{margin:0;font-size:14px;}
/* topics */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.topic-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 20px;color:var(--c-ink);transition:all .22s ease;
}
.topic-card:hover{background:#fff;border-color:var(--c-primary);box-shadow:var(--sh-1);transform:translateY(-2px);color:var(--c-ink);}
.topic-card .t-ico{
  width:40px;height:40px;border-radius:12px;background:var(--c-surface-alt);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:12px;
}
.topic-card h3{font-size:16px;margin-bottom:6px;}
.topic-card p{font-size:13.5px;color:var(--c-ink-soft);margin:0;}
/* faq */
.faq-list{max-width:900px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:10px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(169,72,47,.35);}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;border-left:3px solid transparent;
  text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.faq-btn:hover{background:rgba(169,72,47,.04);color:var(--c-primary-deep);}
.faq-btn[aria-expanded="true"]{border-left-color:var(--c-primary);color:var(--c-primary-deep);}
.faq-arrow{
  flex:0 0 auto;width:20px;height:20px;position:relative;transition:transform .25s ease;
}
.faq-arrow::before,.faq-arrow::after{
  content:"";position:absolute;background:var(--c-ink-soft);border-radius:2px;
  transition:background .2s ease,opacity .2s ease;
}
.faq-arrow::before{left:50%;top:3px;width:2px;height:14px;transform:translateX(-50%);}
.faq-arrow::after{top:50%;left:3px;height:2px;width:14px;transform:translateY(-50%);}
.faq-btn[aria-expanded="true"] .faq-arrow{transform:rotate(135deg);}
.faq-btn[aria-expanded="true"] .faq-arrow::before,.faq-btn[aria-expanded="true"] .faq-arrow::after{background:var(--c-primary);}
.faq-body{padding:0 20px 20px 23px;font-size:14.5px;color:var(--c-ink-soft);line-height:1.85;}
/* closing */
.close-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch;}
.close-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-1);}
.close-card h2{font-size:22px;margin-bottom:12px;}
.close-card p{color:var(--c-ink-soft);font-size:14.5px;}
.promise-list{list-style:none;padding:0;margin:18px 0 22px;display:flex;flex-direction:column;gap:10px;}
.promise-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-ink);}
.promise-list i{color:var(--c-ok);font-size:15px;margin-top:3px;}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px;}
.dl-btn{
  display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 8px;border-radius:var(--r-md);
  background:var(--c-surface-alt);border:1px solid var(--c-line);color:var(--c-ink);
  font-size:13.5px;font-weight:700;transition:all .22s ease;text-align:center;min-height:44px;
}
.dl-btn i{font-size:20px;color:var(--c-primary);transition:color .2s ease;}
.dl-btn:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(169,72,47,.26);}
.dl-btn:hover i{color:#fff;}
.dl-note{font-size:12.5px;color:var(--c-muted);margin-top:12px;}
/* footer */
.site-footer{background:var(--c-secondary);color:#E9E2D8;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:16px;color:#fff;}
.footer-brand .brand-mark{box-shadow:none;}
.site-footer p{font-size:13.5px;color:#CFC7BC;line-height:1.85;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.6px;}
.site-footer a{display:block;color:#CFC7BC;font-size:13.5px;padding:5px 0;transition:color .2s ease,padding-left .2s ease;}
.site-footer a:hover{color:var(--c-accent);padding-left:4px;}
.site-footer .btn-cta{display:inline-flex;color:#fff;margin-top:10px;background:var(--c-primary);}
.site-footer .btn-cta:hover{background:var(--c-primary-deep);color:#fff;padding-left:26px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:34px;padding-top:18px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:12.5px;color:#BFB6AB;
}
.footer-bottom a{display:inline;color:#DCD3C8;font-size:12.5px;padding:0;}
.footer-bottom a:hover{color:var(--c-accent);}
/* responsive */
@media (max-width:1024px){
  .sec{padding:60px 0;}
  .cat-hero-grid{grid-template-columns:1fr;gap:26px;}
  .item-grid{grid-template-columns:repeat(2,1fr);}
  .kb-grid{grid-template-columns:repeat(2,1fr);}
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .scope-grid{grid-template-columns:1fr;gap:26px;}
  .close-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .sec{padding:46px 0;}
  .sec-tight{padding:40px 0;}
  .cat-hero{padding:32px 0 38px;}
  .item-grid{grid-template-columns:1fr;}
  .kb-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .dl-grid{grid-template-columns:1fr;}
  .toolbar{gap:12px;}
  .tool-group{flex:1 1 100%;}
  .tool-result{margin-left:0;padding-bottom:0;}
  .thumb{aspect-ratio:3/2;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .close-card{padding:22px;}
  .cat-side{padding:18px;}
}
@media (max-width:520px){
  .container-x{padding-left:16px;padding-right:16px;}
  .brand{font-size:15px;}
  .brand small{font-size:10.5px;letter-spacing:1px;}
  .btn-cta{width:100%;}
  .header-actions{gap:8px;}
  .faq-btn{font-size:15px;padding:16px 16px;}
  .faq-body{padding:0 16px 18px 19px;}
}