:root{
  --canvas:#eee4d6;
  --paper:#f7f0e5;
  --paper-bright:#fffaf2;
  --plaid:#e7d7ca;
  --ink:#2f241e;
  --muted:#77675c;
  --soft:#a69588;
  --red:#8c2e26;
  --red-dark:#67211c;
  --line:rgba(72,48,35,.2);
  color-scheme:light;
}

*{ box-sizing:border-box }
html,body{ min-height:100%; margin:0 }
body{
  color:var(--ink);
  background:
    radial-gradient(circle at 12% 0,rgba(255,255,255,.82),transparent 30%),
    repeating-linear-gradient(0deg,rgba(76,51,37,.018) 0,rgba(76,51,37,.018) 1px,transparent 1px,transparent 5px),
    linear-gradient(135deg,#f7f0e7,var(--canvas));
  font-family:"PingFang SC","Helvetica Neue",Arial,sans-serif;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  opacity:.32;
  background-image:radial-gradient(rgba(70,48,34,.15) .5px,transparent .6px);
  background-size:6px 6px;
  pointer-events:none;
}

.social-page{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:clamp(16px,2.4vw,36px);
}

.social-frame{
  position:relative;
  width:min(1440px,100%);
  min-height:min(850px,calc(100vh - 48px));
  overflow:hidden;
  border:1px solid rgba(73,49,35,.24);
  background:var(--paper);
  box-shadow:0 28px 80px rgba(72,45,27,.14);
}

.social-frame::before{
  content:"";
  position:absolute;
  inset:12px;
  z-index:4;
  border:1px dashed rgba(140,46,38,.32);
  pointer-events:none;
}

.topline{
  position:relative;
  z-index:5;
  min-height:58px;
  padding:0 clamp(24px,3vw,44px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  border-bottom:1px solid var(--line);
  background:rgba(255,250,242,.72);
}

.social-back{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--muted);
  text-decoration:none;
  font:600 10px/1 ui-monospace,"SFMono-Regular",Menlo,monospace;
  letter-spacing:.16em;
  transition:color .18s ease,transform .18s ease;
}

.social-back span:first-child{ font:24px/1 Georgia,serif; letter-spacing:0 }
.social-back:hover,.social-back:focus-visible{ color:var(--red); transform:translateX(-3px); outline:none }
.edition-mark{ margin:0; color:var(--soft); font:600 9px/1 ui-monospace,"SFMono-Regular",Menlo,monospace; letter-spacing:.18em }

.social-layout{
  position:relative;
  min-height:calc(min(850px,calc(100vh - 48px)) - 58px);
  display:grid;
  grid-template-columns:minmax(310px,.72fr) minmax(650px,1.65fr);
}

.editorial-panel{
  position:relative;
  z-index:1;
  min-width:0;
  padding:clamp(42px,5vw,76px) clamp(34px,4.3vw,66px) 38px;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-right:1px solid var(--line);
  background:
    linear-gradient(rgba(245,235,225,.82),rgba(245,235,225,.82)),
    repeating-linear-gradient(0deg,transparent 0 52px,rgba(140,46,38,.12) 52px 54px,transparent 54px 104px),
    repeating-linear-gradient(90deg,transparent 0 68px,rgba(140,46,38,.12) 68px 70px,transparent 70px 136px),
    var(--plaid);
}

.editorial-panel::after{
  content:"";
  position:absolute;
  width:270px;
  height:270px;
  right:-190px;
  top:42%;
  border:1px solid rgba(140,46,38,.38);
  border-radius:50%;
}

.hero-copy{ position:relative; z-index:2 }
.social-kicker{
  margin:0 0 22px;
  color:var(--red);
  font:700 10px/1.2 ui-monospace,"SFMono-Regular",Menlo,monospace;
  letter-spacing:.19em;
}

.hero-copy h1{
  margin:0;
  max-width:500px;
  font:500 clamp(50px,4.35vw,68px)/.94 Georgia,"Times New Roman",serif;
  letter-spacing:-.055em;
}

.hero-copy h1 em{ color:var(--red); font-weight:400 }
.social-intro{
  max-width:390px;
  margin:28px 0 0;
  color:var(--ink);
  font:400 15px/1.75 Georgia,"Times New Roman",serif;
  letter-spacing:.01em;
}
.social-intro-cn{ max-width:390px; margin:12px 0 0; color:var(--muted); font-size:12px; line-height:1.75 }

.object-note{
  position:relative;
  z-index:2;
  margin-top:auto;
  min-height:180px;
  display:flex;
  align-items:flex-end;
  gap:24px;
}

.earphones{
  width:76px;
  height:auto;
  transform:rotate(-8deg);
  filter:drop-shadow(0 12px 12px rgba(58,35,24,.2));
  user-select:none;
}

.object-note div{ padding-bottom:18px }
.object-note p{ margin:0 0 7px; color:var(--red); font:700 9px/1 ui-monospace,"SFMono-Regular",Menlo,monospace; letter-spacing:.16em }
.object-note span{ color:var(--muted); font:600 9px/1.6 ui-monospace,"SFMono-Regular",Menlo,monospace; letter-spacing:.12em }

.archive-signature{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--soft);
  font:600 8px/1 ui-monospace,"SFMono-Regular",Menlo,monospace;
  letter-spacing:.16em;
}
.signature-line{ width:44px; height:1px; background:var(--line) }

.channels{
  position:relative;
  z-index:1;
  min-width:0;
  padding:clamp(34px,4vw,60px) clamp(30px,4.5vw,72px) 34px;
  display:flex;
  flex-direction:column;
  background:
    linear-gradient(90deg,transparent 0 49.9%,rgba(73,49,35,.045) 50%,transparent 50.1%),
    var(--paper);
}

.channels-head{
  display:flex;
  justify-content:space-between;
  gap:18px;
  padding-bottom:13px;
  border-bottom:1px solid var(--line);
  color:var(--soft);
  font:600 9px/1 ui-monospace,"SFMono-Regular",Menlo,monospace;
  letter-spacing:.17em;
}

.social-cards{
  width:100%;
  max-width:820px;
  margin:auto;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(20px,2.6vw,34px);
  align-items:center;
}

.social-card{
  position:relative;
  min-width:0;
  padding:24px clamp(20px,2vw,28px) 26px;
  border:1px solid rgba(76,50,35,.21);
  background:
    linear-gradient(rgba(255,251,244,.97),rgba(255,251,244,.97)),
    repeating-linear-gradient(0deg,transparent 0 22px,rgba(75,50,36,.06) 22px 23px);
  box-shadow:0 16px 38px rgba(65,39,24,.11);
  transition:transform .24s cubic-bezier(.16,1,.3,1),box-shadow .24s ease,border-color .24s ease;
}

.social-card:hover{ transform:translateY(-4px); border-color:rgba(140,46,38,.38); box-shadow:0 22px 48px rgba(65,39,24,.16) }
.card-stitch{ position:absolute; inset:8px; border:1px dashed rgba(140,46,38,.27); pointer-events:none }
.card-meta{ display:flex; align-items:center; justify-content:space-between; gap:14px; color:var(--soft); font:700 8px/1 ui-monospace,"SFMono-Regular",Menlo,monospace; letter-spacing:.16em }
.card-index{ color:var(--red); font:italic 21px/1 Georgia,serif; letter-spacing:0 }

.platform-lockup{
  display:flex;
  align-items:center;
  gap:13px;
  margin-top:18px;
  padding-bottom:15px;
  border-bottom:1px solid var(--line);
}

.platform-dot{
  width:40px;
  height:40px;
  flex:none;
  display:grid;
  place-items:center;
  border-radius:50%;
  color:var(--paper-bright);
  background:var(--red);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.28),0 4px 10px rgba(90,34,27,.2);
  font:500 15px/1 Georgia,"Noto Serif SC",serif;
}

.douyin-card .platform-dot{ background:var(--ink) }
.platform-lockup h2{ margin:0; font:500 24px/1 Georgia,"Times New Roman",serif; letter-spacing:.015em }
.platform-lockup p{ margin:5px 0 0; color:var(--muted); font:600 8px/1 ui-monospace,"SFMono-Regular",Menlo,monospace; letter-spacing:.13em }

.account-block{ margin:15px 0 14px }
.account-name{ margin:0 0 4px; color:var(--ink); font:500 13px/1.4 Georgia,"Noto Serif SC",serif }
.account-id{ margin:0; color:var(--red); font:700 9px/1.4 ui-monospace,"SFMono-Regular",Menlo,monospace; letter-spacing:.1em }

.qr-frame{
  position:relative;
  aspect-ratio:1;
  width:min(100%,205px);
  margin:0 auto;
  padding:11px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:inset 0 0 0 5px #f4ebdf,0 5px 14px rgba(68,42,26,.08);
}

.qr-frame::before,.qr-frame::after{
  content:"";
  position:absolute;
  z-index:4;
  width:18px;
  height:18px;
  border-color:rgba(140,46,38,.65);
  pointer-events:none;
}
.qr-frame::before{ top:7px; left:7px; border-top:1px solid; border-left:1px solid }
.qr-frame::after{ right:7px; bottom:7px; border-right:1px solid; border-bottom:1px solid }
.qr-frame img{ display:block; width:100%; height:100%; object-fit:contain }
.xhs-card .qr-frame img{ padding:6px; filter:sepia(.36) saturate(.82) contrast(1.12) }

.douyin-card .qr-frame{
  padding:14px;
  background:repeating-linear-gradient(45deg,rgba(140,46,38,.065) 0 6px,transparent 6px 12px),#eee1d1;
}
.douyin-card .qr-frame img{ border-radius:50%; clip-path:circle(49% at 50% 50%); box-shadow:0 0 0 4px #f8efe3,0 0 0 5px rgba(140,46,38,.3) }

.qr-color-wash{
  position:absolute;
  inset:14px;
  z-index:2;
  border-radius:50%;
  clip-path:circle(49% at 50% 50%);
  background:var(--red);
  mix-blend-mode:screen;
  pointer-events:none;
}

.qr-center-mark{
  position:absolute;
  top:50%;
  left:50%;
  z-index:3;
  width:68px;
  height:68px;
  transform:translate(-50%,-50%);
  border:5px solid #f8f0e4;
  border-radius:50%;
  background:var(--red);
  box-shadow:0 3px 9px rgba(73,34,27,.2),inset 0 0 0 1px rgba(255,255,255,.2);
}

.qr-wait{ width:100%; height:100%; display:grid; place-items:center; color:var(--soft); font:700 8px/1 ui-monospace,"SFMono-Regular",Menlo,monospace; letter-spacing:.12em }
.qr-grid{ display:none }
.card-copy{ margin:12px 0 14px; text-align:center; color:var(--muted); font:400 10px/1.5 Georgia,"Times New Roman",serif; letter-spacing:.02em }

.social-direct{
  min-height:42px;
  padding:0 15px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  border:1px solid var(--red);
  color:var(--paper-bright);
  background:var(--red);
  text-decoration:none;
  font:700 9px/1 ui-monospace,"SFMono-Regular",Menlo,monospace;
  letter-spacing:.14em;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.douyin-card .social-direct{ border-color:var(--ink); background:var(--ink) }
.social-direct:not([aria-disabled="true"]):hover,.social-direct:not([aria-disabled="true"]):focus-visible{ transform:translateY(-2px); background:var(--red-dark); box-shadow:0 7px 16px rgba(91,35,27,.18); outline:none }
.social-direct[aria-disabled="true"]{ cursor:not-allowed; opacity:.42 }
.channels-note{ margin:18px 0 0; text-align:center; color:var(--soft); font:600 8px/1.4 ui-monospace,"SFMono-Regular",Menlo,monospace; letter-spacing:.12em }
.channels-note span{ color:var(--red); margin-right:6px }

@media (max-width:1050px){
  .social-frame{ min-height:0 }
  .social-layout{ min-height:0; grid-template-columns:1fr }
  .editorial-panel{ min-height:340px; padding:44px 44px 30px; border-right:0; border-bottom:1px solid var(--line) }
  .hero-copy h1{ font-size:clamp(50px,8vw,68px) }
  .social-intro,.social-intro-cn{ max-width:520px }
  .object-note{ position:absolute; right:50px; bottom:25px; min-height:0 }
  .earphones{ width:60px }
  .object-note div{ display:none }
  .archive-signature{ margin-top:34px }
  .channels{ padding:34px 34px 38px }
  .social-cards{ margin:32px auto 12px }
}

@media (max-width:700px){
  .social-page{ display:block; padding:10px }
  .social-frame::before{ inset:7px }
  .topline{ min-height:52px; padding:0 18px }
  .edition-mark{ display:none }
  .social-back{ letter-spacing:.11em }
  .editorial-panel{ min-height:0; padding:38px 24px 28px }
  .hero-copy h1{ font-size:clamp(43px,12.4vw,58px) }
  .social-intro{ margin-top:22px; font-size:14px }
  .social-intro-cn{ font-size:11.5px }
  .object-note{ right:26px; bottom:20px }
  .earphones{ width:44px; opacity:.5 }
  .archive-signature{ margin-top:28px }
  .channels{ padding:28px 17px 32px }
  .channels-head{ padding:0 6px 12px; font-size:7.5px }
  .social-cards{ grid-template-columns:1fr; max-width:420px; margin:24px auto 10px }
  .social-card{ padding:23px 22px 25px }
  .qr-frame{ width:min(100%,230px) }
  .qr-center-mark{ width:76px; height:76px }
}

@media (prefers-reduced-motion:reduce){
  .social-back,.social-card,.social-direct{ transition:none }
}