/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#3D2A1A;background:#FAF4EA;line-height:1.65;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font:inherit;color:inherit}

:root{
  --ink:#3D2A1A;
  --brown:#8B6F47;
  --brown-2:#A88762;
  --tan:#C9A87C;
  --gold:#B89060;
  --cream:#FAF4EA;
  --paper:#FFFFFF;
  --line:rgba(61,42,26,.08);
  --muted:#A89888;
  --grad-warm:linear-gradient(135deg,#C9A87C 0%,#8B6F47 100%);
  --shadow-1:0 2px 8px rgba(61,42,26,.05),0 8px 24px rgba(61,42,26,.06);
  --shadow-2:0 4px 16px rgba(61,42,26,.06),0 20px 60px rgba(61,42,26,.10);
  --shadow-warm:0 12px 40px rgba(184,144,96,.25);
}

/* ---------- Layout ---------- */
.container{max-width:1280px;margin:0 auto;padding:0 32px}
@media (max-width:768px){.container{padding:0 20px}}

/* ---------- Typography ---------- */
.serif{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;font-weight:600;letter-spacing:.02em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--brown);font-weight:600;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--brown)}

/* ---------- Navbar ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  backdrop-filter:blur(18px) saturate(180%);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  background:rgba(250,244,234,.82);
  border-bottom:1px solid var(--line);
  transition:all .3s ease;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink)}
.brand-mark{width:32px;height:32px;border-radius:8px;display:block;object-fit:cover}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:14px;color:#5a4a3a;transition:color .2s;position:relative}
.nav-links a:hover{color:var(--brown)}
.nav-links a.active{color:var(--brown);font-weight:600}
.nav-burger{display:none;width:32px;height:32px;align-items:center;justify-content:center}
@media (max-width:768px){
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;
    position:absolute;top:68px;left:0;right:0;
    background:rgba(250,244,234,.95);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    padding:16px 24px;gap:16px;
    border-bottom:1px solid var(--line);
    box-shadow:0 4px 20px rgba(61,42,26,.06);
    z-index:100;
  }
  .nav-burger{display:flex}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:140px 0 80px;overflow:hidden;
  background:
    radial-gradient(ellipse 60% 50% at 80% 0%,rgba(184,144,96,.14),transparent 60%),
    radial-gradient(ellipse 50% 40% at 0% 60%,rgba(201,168,124,.12),transparent 60%),
    linear-gradient(180deg,#FAF4EA 0%,#FBF6EE 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(61,42,26,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(61,42,26,.04) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 50% at 50% 50%,#000 40%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 70% 50% at 50% 50%,#000 40%,transparent 80%);
}
.hero-inner{position:relative;text-align:center;max-width:760px;margin:0 auto}
.hero h1{
  font-size:clamp(40px,5.6vw,72px);line-height:1.2;color:var(--ink);
  margin:18px 0 24px;
}
.hero h1 .accent{
  display:inline-block;
  padding:0.04em 0.12em 0.06em;
  background-image:linear-gradient(135deg,var(--brown) 0%,var(--gold) 50%,var(--tan) 100%);
  background-origin:padding-box;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero p.lead{font-size:18px;color:#5a4a3a;max-width:600px;margin:0 auto 28px}
.hero-pill-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:32px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;font-size:13px;
  background:rgba(184,144,96,.12);color:var(--brown);font-weight:500;
  border:1px solid rgba(184,144,96,.22);
}
.hero-cta-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:8px}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;border-radius:12px;font-size:15px;font-weight:600;
  transition:all .25s;letter-spacing:.01em;
}
.btn-sm{padding:10px 16px;font-size:13.5px;border-radius:10px}
.btn-primary{background:var(--grad-warm);color:#fff;box-shadow:var(--shadow-warm)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 50px rgba(184,144,96,.40)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn .ico{width:18px;height:18px}

/* ---------- Stats strip ---------- */
.strip{
  background:var(--ink);color:#fff;padding:72px 0;position:relative;overflow:hidden;
}
.strip::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 50% 80% at 20% 50%,rgba(184,144,96,.20),transparent 60%),
             radial-gradient(ellipse 50% 80% at 80% 50%,rgba(201,168,124,.18),transparent 60%);
}
.strip-inner{position:relative;display:grid;grid-template-columns:1fr 1fr 1fr;gap:48px;text-align:center}
@media (max-width:768px){.strip-inner{grid-template-columns:1fr;gap:32px}}
.strip-num{font-family:"Noto Serif SC",serif;font-size:clamp(48px,6vw,72px);font-weight:600;line-height:1;letter-spacing:-.02em}
.strip-num.gold{background:linear-gradient(135deg,#C9A87C,#8B6F47);-webkit-background-clip:text;background-clip:text;color:transparent}
.strip-num.tan{background:linear-gradient(135deg,#D9BC92,#B89060);-webkit-background-clip:text;background-clip:text;color:transparent}
.strip-label{margin-top:10px;color:rgba(255,255,255,.65);font-size:14px;letter-spacing:.1em}

/* ---------- Section base ---------- */
section{padding:96px 0;position:relative}
@media (max-width:768px){section{padding:64px 0}}
.sec-head{text-align:center;max-width:720px;margin:0 auto 48px}
.sec-head h2{font-size:clamp(32px,4vw,48px);line-height:1.15;color:var(--ink);margin:14px 0 16px}
.sec-head p{color:#6a5a4a;font-size:17px}

.filters{background:#FBF6EE}

/* ---------- Filter bar ---------- */
.filter-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  max-width:760px;margin:0 auto;
}
.search-wrap{
  position:relative;flex:1;min-width:240px;
  display:flex;align-items:center;gap:10px;
  padding:12px 16px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:all .2s;
}
.search-wrap:focus-within{border-color:var(--brown);box-shadow:0 0 0 4px rgba(184,144,96,.14)}
.search-wrap svg{color:var(--muted);flex-shrink:0}
.search-wrap input{
  flex:1;border:none;outline:none;background:transparent;
  font-size:14.5px;color:var(--ink);
}
.search-wrap input::placeholder{color:var(--muted)}

.divider{
  display:flex;align-items:center;gap:16px;justify-content:center;margin:0 auto 24px;
  width:fit-content;color:var(--muted);font-size:12px;letter-spacing:.24em;text-transform:uppercase;
}
.divider::before,.divider::after{content:"";width:32px;height:1px;background:var(--line)}

/* ---------- Wall ---------- */
.wall{background:var(--cream)}
.fb-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;
}
.fb-card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  padding:24px;border-radius:18px;
  background:#fff;
  border:1px solid var(--line);
  border-top:3px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,border-color .3s,border-top-color .3s;
}
.fb-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(184,144,96,.40);
  border-top-color:var(--brown);
}
.fb-head{display:flex;align-items:center;gap:12px}
.fb-avatar{
  width:44px;height:44px;border-radius:50%;
  background:var(--grad-warm);color:#fff;
  display:grid;place-items:center;
  font-weight:700;font-size:16px;letter-spacing:.02em;
  flex-shrink:0;overflow:hidden;
}
.fb-avatar img{width:100%;height:100%;object-fit:cover}
.fb-meta{display:flex;flex-direction:column;gap:2px;min-width:0}
.fb-name{
  font-size:15px;font-weight:700;color:var(--ink);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.fb-firm{
  font-size:12.5px;color:var(--muted);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.fb-time{margin-left:auto;font-size:12px;color:var(--muted);white-space:nowrap}
.fb-content{
  color:#5a4a3a;font-size:14.5px;line-height:1.75;
  white-space:pre-wrap;word-break:break-word;
}
.fb-content.is-clamp{
  display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;
  overflow:hidden;
}
.fb-card.expanded .fb-content.is-clamp{
  display:block;-webkit-line-clamp:unset;
}
.fb-expand{
  align-self:flex-start;font-size:12.5px;color:var(--brown);
  font-weight:600;padding:0;
}
.fb-expand:hover{color:var(--gold)}
.fb-foot{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding-top:10px;margin-top:2px;
  border-top:1px dashed var(--line);
  font-size:11.5px;color:var(--muted);letter-spacing:.04em;
  background:transparent;
  min-height:24px;
  flex-shrink:0;
}
.fb-tag{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 9px;border-radius:999px;
  background:rgba(184,144,96,.14);color:var(--brown);
  font-size:11px;font-weight:600;
}

/* ---------- State (loading / empty / error) ---------- */
.state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:64px 20px;text-align:center;color:var(--muted);
}
.state[hidden]{display:none}
.state p{font-size:14px}
.state svg{color:var(--muted)}
.spinner{
  width:36px;height:36px;border-radius:50%;
  border:3px solid var(--line);border-top-color:var(--brown);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Footer ---------- */
footer{
  background:var(--ink);color:rgba(255,255,255,.6);
  padding:48px 0;text-align:center;font-size:13px;
}
footer .container{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}
footer .brand-foot{color:#fff;font-weight:600;letter-spacing:.04em}
footer .legal{display:flex;gap:24px;flex-wrap:wrap;justify-content:center;align-items:center}
footer .legal > *{display:inline-flex;align-items:center;justify-content:center}
footer a{transition:color .2s;display:inline-flex;align-items:center;justify-content:center}
footer a:hover{color:#fff}
.beian{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.06);color:rgba(255,255,255,.7);
  font-size:12px;font-family:"JetBrains Mono",monospace;
  transition:all .2s;
}
.beian:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}