/* ================================================================
   全国邮编查询网 · 全局共享样式
   YouBian Dictionary — Shared CSS
   版本: V1.0
   风格: 新华字典在线版风格
   ================================================================ */

/* ========== 00: Theme Definitions ========== */
[data-theme="blue"]{
  --bg-primary:#eef3fa;--bg-secondary:#e3eaf4;--bg-card:rgba(255,255,255,0.82);--bg-card-solid:#ffffff;
  --bg-card-hover:rgba(255,255,255,0.95);--bg-sidebar:#e8eff8;--bg-input:#ffffff;--bg-glass:rgba(255,255,255,0.52);
  --gold:#3a7bd5;--gold-light:#5a9be6;--gold-dark:#2860a8;--gold-glow:rgba(58,123,213,0.12);
  --gold-gradient:linear-gradient(135deg,#2860a8 0%,#3a7bd5 50%,#5a9be6 100%);
  --text-primary:#1a2a40;--text-secondary:#3d5570;--text-muted:#6d85a0;
  --border:rgba(58,123,213,0.13);--border-gold:rgba(58,123,213,0.2);
  --accent-red:#d94848;--accent-green:#3a9d6a;--accent-blue:#3a7bd5;--accent-purple:#8b6bbf;
  --theme-accent:#3a7bd5;--theme-glow:rgba(58,123,213,0.06);
  --hero-gradient:radial-gradient(ellipse at 30% 20%,rgba(58,123,213,0.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(90,155,230,0.05) 0%,transparent 50%);
}
[data-theme="emerald"]{
  --bg-primary:#f0faf4;--bg-secondary:#e6f5ed;--bg-card:rgba(255,255,255,0.82);--bg-card-solid:#ffffff;
  --bg-card-hover:rgba(255,255,255,0.95);--bg-sidebar:#eaf6ee;--bg-input:#ffffff;--bg-glass:rgba(255,255,255,0.52);
  --gold:#2d9d6a;--gold-light:#3dbd80;--gold-dark:#1f7a50;--gold-glow:rgba(45,157,106,0.12);
  --gold-gradient:linear-gradient(135deg,#1f7a50 0%,#2d9d6a 50%,#3dbd80 100%);
  --text-primary:#1a3a2a;--text-secondary:#3d6b52;--text-muted:#6d9a80;
  --border:rgba(45,157,106,0.13);--border-gold:rgba(45,157,106,0.2);
  --accent-red:#d94848;--accent-green:#2d9d6a;--accent-blue:#3898d0;--accent-purple:#9b6fbf;
  --theme-accent:#2d9d6a;--theme-glow:rgba(45,157,106,0.06);
  --hero-gradient:radial-gradient(ellipse at 30% 20%,rgba(45,157,106,0.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(61,189,128,0.05) 0%,transparent 50%);
}
[data-theme="purple"]{
  --bg-primary:#f8f4fc;--bg-secondary:#f0eaf6;--bg-card:rgba(255,255,255,0.82);--bg-card-solid:#ffffff;
  --bg-card-hover:rgba(255,255,255,0.95);--bg-sidebar:#f2ecf8;--bg-input:#ffffff;--bg-glass:rgba(255,255,255,0.52);
  --gold:#8b6bbf;--gold-light:#a88cd4;--gold-dark:#6d4f9e;--gold-glow:rgba(139,107,191,0.12);
  --gold-gradient:linear-gradient(135deg,#6d4f9e 0%,#8b6bbf 50%,#a88cd4 100%);
  --text-primary:#2a2040;--text-secondary:#54406a;--text-muted:#8870a0;
  --border:rgba(139,107,191,0.13);--border-gold:rgba(139,107,191,0.2);
  --accent-red:#d94848;--accent-green:#4dab80;--accent-blue:#5b8cd4;--accent-purple:#8b6bbf;
  --theme-accent:#8b6bbf;--theme-glow:rgba(139,107,191,0.06);
  --hero-gradient:radial-gradient(ellipse at 30% 20%,rgba(139,107,191,0.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(168,140,212,0.05) 0%,transparent 50%);
}
[data-theme="crimson"]{
  --bg-primary:#fdf6f2;--bg-secondary:#f9ede6;--bg-card:rgba(255,255,255,0.82);--bg-card-solid:#ffffff;
  --bg-card-hover:rgba(255,255,255,0.95);--bg-sidebar:#faeee8;--bg-input:#ffffff;--bg-glass:rgba(255,255,255,0.52);
  --gold:#d06848;--gold-light:#e8896a;--gold-dark:#b05038;--gold-glow:rgba(208,104,72,0.12);
  --gold-gradient:linear-gradient(135deg,#b05038 0%,#d06848 50%,#e8896a 100%);
  --text-primary:#3a2420;--text-secondary:#6d4a40;--text-muted:#a07a70;
  --border:rgba(208,104,72,0.13);--border-gold:rgba(208,104,72,0.2);
  --accent-red:#d06848;--accent-green:#4dab80;--accent-blue:#5b8cd4;--accent-purple:#8b6bbf;
  --theme-accent:#d06848;--theme-glow:rgba(208,104,72,0.06);
  --hero-gradient:radial-gradient(ellipse at 30% 20%,rgba(208,104,72,0.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(232,137,106,0.05) 0%,transparent 50%);
}
[data-theme="light"]{
  --bg-primary:#f5f2eb;--bg-secondary:#ede9e0;--bg-card:rgba(255,255,255,0.82);--bg-card-solid:#ffffff;
  --bg-card-hover:rgba(255,255,255,0.95);--bg-sidebar:#eae5da;--bg-input:#ffffff;--bg-glass:rgba(255,255,255,0.5);
  --gold:#b8941e;--gold-light:#d4af37;--gold-dark:#8a6f10;--gold-glow:rgba(184,148,30,0.12);
  --gold-gradient:linear-gradient(135deg,#8a6f10 0%,#d4af37 50%,#b8941e 100%);
  --text-primary:#2c2418;--text-secondary:#5a4e3e;--text-muted:#8a7e6e;
  --border:rgba(180,165,140,0.25);--border-gold:rgba(184,148,30,0.25);
  --accent-red:#dc2626;--accent-green:#16a34a;--accent-blue:#2563eb;--accent-purple:#7c3aed;
  --theme-accent:#8a6f10;--theme-glow:rgba(184,148,30,0.05);
  --hero-gradient:radial-gradient(ellipse at 30% 20%,rgba(184,148,30,0.06) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(140,110,20,0.04) 0%,transparent 50%);
}
[data-theme="sakura"]{
  --bg-primary:#fdf2f8;--bg-secondary:#fce7f3;--bg-card:rgba(255,255,255,0.82);--bg-card-solid:#ffffff;
  --bg-card-hover:rgba(255,255,255,0.95);--bg-sidebar:#fbeaf2;--bg-input:#ffffff;--bg-glass:rgba(255,255,255,0.55);
  --gold:#d4548c;--gold-light:#f07aa8;--gold-dark:#b83e72;--gold-glow:rgba(212,84,140,0.12);
  --gold-gradient:linear-gradient(135deg,#b83e72 0%,#d4548c 50%,#f07aa8 100%);
  --text-primary:#3a1830;--text-secondary:#6d3d5a;--text-muted:#a0708a;
  --border:rgba(212,84,140,0.13);--border-gold:rgba(212,84,140,0.22);
  --accent-red:#e05580;--accent-green:#3a9d6a;--accent-blue:#5b8cd4;--accent-purple:#a86bbf;
  --theme-accent:#d4548c;--theme-glow:rgba(212,84,140,0.06);
  --hero-gradient:radial-gradient(ellipse at 30% 20%,rgba(212,84,140,0.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(240,122,168,0.06) 0%,transparent 50%);
}

/* ========== 01: Root & Reset ========== */
:root{
  --radius-sm:10px;--radius-md:16px;--radius-lg:22px;--radius-xl:30px;
  /* 字体系统：Google Fonts CDN */
  --font-main:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-display:'Noto Serif SC','LXGW WenKai','KaiTi',serif;
  --font-kai:'LXGW WenKai','KaiTi','STKaiti',serif;
  --font-mono:'JetBrains Mono','Fira Code','Consolas',monospace;
  --sidebar-w:260px;
  --transition:all 0.35s cubic-bezier(0.4,0,0.2,1);
  --shadow-sm:0 2px 8px rgba(0,0,0,0.06);
  --shadow:0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg:0 12px 40px rgba(0,0,0,0.12);
  --shadow-gold:0 4px 24px var(--gold-glow);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-main);background:var(--bg-primary);color:var(--text-primary);line-height:1.75;overflow-x:hidden;transition:background 0.5s,color 0.3s}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--gold);border-radius:3px;opacity:0.5}
a{color:var(--gold);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--gold-light)}

/* ========== 02: Floating Toolbar ========== */
.floating-toolbar{
  position:fixed;top:14px;right:14px;z-index:9999;
  display:flex;align-items:center;gap:2px;
  padding:4px 6px;
  background:rgba(255,255,255,0.72);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border:1px solid rgba(255,255,255,0.6);
  border-radius:26px;
  box-shadow:0 4px 24px rgba(0,0,0,0.08),0 1px 4px rgba(0,0,0,0.04);
  transition:box-shadow 0.3s ease;
}
.floating-toolbar:hover{box-shadow:0 6px 32px rgba(0,0,0,0.12),0 2px 8px rgba(0,0,0,0.06)}

/* 主题切换按钮 */
.tb-theme{
  position:relative;cursor:pointer;
  display:flex;align-items:center;gap:7px;
  padding:5px 12px 5px 6px;
  border-radius:20px;
  border:none;background:transparent;
  transition:all 0.3s cubic-bezier(0.4,0,0.2,1);
}
.tb-theme:hover{background:rgba(0,0,0,0.04)}
.tb-theme.open{background:rgba(0,0,0,0.06)}
.tb-dot{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;
  border:2px solid rgba(255,255,255,0.85);
  box-shadow:0 1px 6px rgba(0,0,0,0.12);
  transition:all 0.35s cubic-bezier(0.4,0,0.2,1);
}
.tb-theme:hover .tb-dot{transform:scale(1.1)}
.tb-dot[data-t="blue"]{background:linear-gradient(135deg,#c4daf5,#3a7bd5)}
.tb-dot[data-t="emerald"]{background:linear-gradient(135deg,#a8e6c3,#2d9d6a)}
.tb-dot[data-t="purple"]{background:linear-gradient(135deg,#d4c5e8,#8b6bbf)}
.tb-dot[data-t="crimson"]{background:linear-gradient(135deg,#f5c4a8,#d06848)}
.tb-dot[data-t="light"]{background:linear-gradient(135deg,#e8dfa0,#b8941e)}
.tb-dot[data-t="sakura"]{background:linear-gradient(135deg,#f8c6d8,#d4548c)}
.tb-name{
  font-size:12px;font-weight:600;color:var(--text-secondary);
  white-space:nowrap;letter-spacing:0.5px;transition:color 0.3s;
}
.tb-theme:hover .tb-name{color:var(--gold)}
.tb-sep{
  width:1px;height:20px;
  background:rgba(0,0,0,0.08);
  margin:0 2px;flex-shrink:0;
}

/* 下拉面板 */
.tb-theme-dropdown{
  position:absolute;top:calc(100% + 10px);right:-2px;
  min-width:220px;
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);
  border:1px solid rgba(0,0,0,0.06);
  border-radius:16px;
  box-shadow:0 12px 48px rgba(0,0,0,0.14),0 2px 8px rgba(0,0,0,0.06);
  padding:10px;
  opacity:0;visibility:hidden;transform:translateY(-10px) scale(0.96);
  transition:all 0.28s cubic-bezier(0.4,0,0.2,1);
  z-index:99999;
}
.tb-theme.open .tb-theme-dropdown{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.tb-option{
  display:flex;align-items:center;gap:10px;
  padding:8px 12px;
  border-radius:12px;
  cursor:pointer;transition:all 0.2s ease;
  border:1.5px solid transparent;
}
.tb-option:hover{background:rgba(0,0,0,0.03);border-color:rgba(0,0,0,0.05)}
.tb-option.active{background:var(--gold-glow);border-color:var(--border-gold)}
.tb-option .opt-dot{width:24px;height:24px;border-radius:50%;flex-shrink:0;transition:var(--transition);border:2px solid rgba(255,255,255,0.7);box-shadow:0 1px 4px rgba(0,0,0,0.1)}
.tb-option.active .opt-dot{box-shadow:0 0 0 2.5px #fff,0 0 0 4.5px var(--gold)}
.tb-option .opt-info{display:flex;flex-direction:column;gap:1px}
.tb-option .opt-label{font-size:13px;color:var(--text-primary);font-weight:600}
.tb-option.active .opt-label{color:var(--gold);font-weight:700}
.tb-option .opt-preview{font-size:10px;color:var(--text-muted);opacity:0.8}

/* ========== 03: Layout ========== */
.page-wrap{display:flex;min-height:100vh}

/* ========== 04: Sidebar ========== */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:var(--bg-sidebar);
  border-right:1px solid var(--border);
  z-index:100;display:flex;flex-direction:column;
  overflow-y:auto;overflow-x:hidden;
  transition:var(--transition);
}
.sidebar .sidebar-head h1{
  color:var(--gold);
}
.sidebar .sidebar-head .sub{
  color:var(--text-muted);
}
.sidebar .nav-label{
  color:var(--text-muted);
}
.sidebar .nav-label:hover{
  color:var(--gold);
}
.sidebar .nav-link,.sidebar .nav-item{
  color:var(--text-secondary);
}
.sidebar .nav-link:hover,.sidebar .nav-item:hover,
.sidebar .nav-link.active,.sidebar .nav-item.active{
  color:var(--gold);
  background:var(--theme-glow);
  border-left-color:var(--gold);
}
.sidebar .sidebar-foot .sf-ver,
.sidebar .sidebar-foot .sf-stat{
  color:var(--text-muted);
}
.sidebar .sidebar-foot .sf-stat b{
  color:var(--gold);
}
.sidebar .sidebar-search input{
  background:var(--bg-glass);
  border-color:var(--border);
  color:var(--text-primary);
}
.sidebar .sidebar-search input::placeholder{
  color:var(--text-muted);
}
.sidebar::after{
  content:'';position:absolute;top:0;right:0;width:2px;height:100%;
  background:var(--gold-gradient);opacity:0.35;
}

/* Sidebar Header */
.sidebar-head,a.sidebar-head{
  padding:28px 20px 20px;text-align:center;position:relative;
  background:linear-gradient(180deg,var(--gold-glow) 0%,transparent 100%);
  display:block;text-decoration:none;color:inherit;
  cursor:pointer;
}
.sidebar-head::after{content:'';position:absolute;bottom:0;left:20px;right:20px;height:1px;background:var(--gold-gradient);opacity:0.3}

/* Logo */
.sidebar-logo{
  width:60px;height:60px;
  position:relative;
  margin:0 auto 12px;
  cursor:pointer;
}
.sidebar-logo .logo-outer{
  position:absolute;inset:-3px;
  border-radius:50%;
  border:2.5px solid var(--gold);
  opacity:0.2;
  transition:all 0.6s cubic-bezier(0.4,0,0.2,1);
}
.sidebar-logo .logo-dots{
  position:absolute;inset:-8px;
  border-radius:50%;
}
.sidebar-logo .logo-dots::before,.sidebar-logo .logo-dots::after{
  content:'';position:absolute;
  width:4px;height:4px;border-radius:50%;
  background:var(--gold);opacity:0.35;
  transition:all 0.6s cubic-bezier(0.4,0,0.2,1);
}
.sidebar-logo .logo-dots::before{top:-1px;left:50%;transform:translateX(-50%)}
.sidebar-logo .logo-dots::after{bottom:-1px;left:50%;transform:translateX(-50%)}
.sidebar-logo .logo-dot-l,.sidebar-logo .logo-dot-r{
  position:absolute;width:4px;height:4px;border-radius:50%;
  background:var(--gold);opacity:0.35;
  transition:all 0.6s cubic-bezier(0.4,0,0.2,1);
}
.sidebar-logo .logo-dot-l{top:50%;left:-5px;transform:translateY(-50%)}
.sidebar-logo .logo-dot-r{top:50%;right:-5px;transform:translateY(-50%)}
.sidebar-logo .logo-body{
  position:absolute;inset:0;
  border-radius:50%;
  background:var(--gold-gradient);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-gold),0 0 24px var(--gold-glow);
  transition:all 0.5s cubic-bezier(0.4,0,0.2,1);
  overflow:hidden;
}
.sidebar-logo .logo-body::before{
  content:'';position:absolute;inset:6px;
  border-radius:50%;
  border:1.5px solid rgba(255,255,255,0.15);
}
.sidebar-logo .logo-char{
  font-size:28px;color:#fff;
  font-weight:900;
  text-shadow:0 1px 3px rgba(0,0,0,0.15);
  font-family:var(--font-main);
  position:relative;z-index:1;
  line-height:1;
}
.sidebar-logo .logo-glow{
  position:absolute;inset:-12px;
  border-radius:50%;
  background:radial-gradient(circle,var(--gold-glow) 0%,transparent 70%);
  opacity:0;
  transition:opacity 0.5s;
  pointer-events:none;
}
@keyframes logoPulse{
  0%,100%{box-shadow:var(--shadow-gold),0 0 24px var(--gold-glow)}
  50%{box-shadow:var(--shadow-gold),0 0 36px var(--gold-glow),0 0 60px var(--gold-glow)}
}
.sidebar-logo .logo-body{animation:logoPulse 3s ease-in-out infinite}
.sidebar-logo:hover .logo-outer{opacity:0.5;transform:rotate(20deg)}
.sidebar-logo:hover .logo-body{transform:scale(1.08);animation:none;box-shadow:var(--shadow-gold),0 0 40px var(--gold-glow)}
.sidebar-logo:hover .logo-glow{opacity:1}
.sidebar-logo:hover .logo-dots::before,.sidebar-logo:hover .logo-dots::after,
.sidebar-logo:hover .logo-dot-l,.sidebar-logo:hover .logo-dot-r{opacity:0.7;transform:scale(1.5)}
.sidebar-logo:hover .logo-dot-l{transform:translateY(-50%) scale(1.5)}
.sidebar-logo:hover .logo-dot-r{transform:translateY(-50%) scale(1.5)}
.sidebar-logo:hover .logo-dots::before{transform:translateX(-50%) scale(1.5)}
.sidebar-logo:hover .logo-dots::after{transform:translateX(-50%) scale(1.5)}
.sidebar-head h1{font-size:18px;color:var(--gold);font-weight:900;letter-spacing:4px;text-shadow:0 1px 2px var(--gold-glow)}
.sidebar-head .sub{font-size:10px;color:var(--text-muted);margin-top:5px;letter-spacing:1.5px}

/* Sidebar Mini Search */
.sidebar-search{
  padding:12px 16px 8px;
  position:relative;
}
.sidebar-search input{
  width:100%;height:34px;
  background:var(--bg-glass);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:0 12px 0 32px;
  font-size:12px;color:var(--text-primary);
  font-family:var(--font-main);
  outline:none;
  transition:var(--transition);
}
.sidebar-search input:focus{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-glow)}
.sidebar-search input::placeholder{color:var(--text-muted)}
.sidebar-search::before{
  content:'🔍';position:absolute;left:28px;top:50%;transform:translateY(-50%);
  font-size:12px;pointer-events:none;opacity:0.6;
}

/* Nav Groups */
.nav-group{padding:4px 0}
.nav-group.collapsed .nav-items{display:none}
.nav-group.collapsed .nav-chevron{transform:rotate(-90deg)}
.nav-label{
  font-size:10px;color:var(--text-muted);
  text-transform:uppercase;letter-spacing:3px;
  padding:10px 20px 6px;font-weight:700;
  display:flex;align-items:center;gap:6px;
  cursor:pointer;user-select:none;
  transition:var(--transition);
}
.nav-label:hover{color:var(--gold)}
.nav-label::before{
  content:'';width:12px;height:1px;
  background:var(--gold);opacity:0.3;
}
.nav-chevron{
  margin-left:auto;font-size:10px;
  transition:transform 0.3s ease;
  color:var(--text-muted);opacity:0.5;
}
.nav-items{overflow:hidden;transition:max-height 0.3s ease}
.nav-link,.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:8px 20px;
  color:var(--text-secondary);font-size:13px;
  transition:var(--transition);
  border-left:3px solid transparent;
  cursor:pointer;position:relative;
  text-decoration:none;
}
.nav-link:hover,.nav-item:hover,.nav-link.active,.nav-item.active{
  background:var(--theme-glow);
  color:var(--gold);
  border-left-color:var(--gold);
}
.nav-link.active,.nav-item.active{font-weight:700}
.nav-link.active::after,.nav-item.active::after{
  content:'';position:absolute;right:14px;
  width:5px;height:5px;background:var(--gold);
  border-radius:50%;box-shadow:0 0 8px var(--gold-glow);
}
.nav-link .nav-ico,.nav-item .nav-ico{font-size:15px;width:20px;text-align:center;flex-shrink:0;filter:grayscale(0.3);transition:var(--transition)}
.nav-link:hover .nav-ico,.nav-item:hover .nav-ico,.nav-link.active .nav-ico,.nav-item.active .nav-ico{filter:grayscale(0);transform:scale(1.1)}
.nav-link .nav-badge,.nav-item .nav-badge{
  margin-left:auto;
  background:var(--gold-glow);
  color:var(--gold-dark);
  font-size:9px;padding:2px 8px;
  border-radius:10px;font-weight:700;
  border:1px solid var(--border-gold);
}
.nav-link .nav-new,.nav-item .nav-new{
  margin-left:auto;
  background:linear-gradient(135deg,var(--accent-red),#e88070);
  color:#fff;font-size:8px;padding:1px 6px;
  border-radius:6px;font-weight:700;letter-spacing:0.5px;
}
.nav-divider{height:1px;margin:4px 20px;background:var(--border);opacity:0.4}

/* Sidebar Footer */
.sidebar-foot{
  margin-top:auto;padding:14px 20px 18px;
  border-top:1px solid var(--border);
  text-align:center;
}
.sidebar-foot .sf-ver{font-size:9px;color:var(--text-muted);letter-spacing:1px;opacity:0.7}
.sidebar-foot .sf-stats{display:flex;justify-content:center;gap:16px;margin-top:8px}
.sidebar-foot .sf-stat{font-size:9px;color:var(--text-muted)}
.sidebar-foot .sf-stat b{color:var(--gold);font-weight:700}

/* ========== 05: Main Content ========== */
.main{
  flex:1;
  margin-left:var(--sidebar-w);
  min-height:100vh;
  transition:var(--transition);
}
.content{
  padding:40px 40px 0;
  max-width:1120px;
  margin:0 auto;
}

/* ========== 06: Breadcrumb ========== */
.breadcrumb{
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:20px;
  display:flex;
  align-items:center;
  gap:8px;
}
.breadcrumb a{color:var(--gold)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{color:var(--text-muted);opacity:0.5}

/* ========== 07: Page Header ========== */
.ph-header{
  margin-bottom:32px;
  position:relative;
}
.ph-header::before{
  content:'';position:absolute;
  left:0;top:50%;transform:translateY(-50%);
  width:4px;height:32px;
  background:var(--gold-gradient);
  border-radius:2px;
}
.ph-header h1{
  font-size:32px;
  font-weight:900;
  color:var(--text-primary);
  padding-left:20px;
  line-height:1.3;
  letter-spacing:1px;
}
.ph-header p{
  font-size:15px;
  color:var(--text-muted);
  margin-top:8px;
  padding-left:20px;
  line-height:1.6;
}

/* ========== 08: Stats Grid ========== */
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-bottom:40px;
}
.stat-card{
  background:var(--bg-card);
  border-radius:var(--radius-md);
  padding:28px 24px;
  text-align:center;
  border:1px solid var(--border);
  transition:var(--transition);
  backdrop-filter:blur(12px);
}
.stat-card:hover{
  background:var(--bg-card-hover);
  transform:translateY(-4px);
  box-shadow:var(--shadow);
}
.stat-num{
  font-size:36px;
  font-weight:900;
  color:var(--gold);
  line-height:1;
  margin-bottom:8px;
}
.stat-label{
  font-size:13px;
  color:var(--text-muted);
  letter-spacing:0.5px;
}

/* ========== 09: Section ========== */
.section{
  margin-bottom:40px;
}
.section-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:20px;
}
.section-ico{
  font-size:20px;
  line-height:1;
}
.section-title{
  font-size:20px;
  font-weight:900;
  color:var(--text-primary);
  letter-spacing:1px;
  flex:1;
}
.section-more{
  font-size:13px;
  color:var(--gold);
  cursor:pointer;
  transition:var(--transition);
}
.section-more:hover{color:var(--gold-light)}

/* ========== 10: Table ========== */
.table-wrapper{
  background:var(--bg-card);
  border-radius:var(--radius-md);
  border:1px solid var(--border);
  overflow:hidden;
  backdrop-filter:blur(12px);
  margin-bottom:30px;
}
.data-table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
}
.data-table thead{
  background:var(--gold-gradient);
}
.data-table th{
  padding:14px 16px;
  text-align:left;
  font-weight:700;
  color:#fff;
  font-size:13px;
  letter-spacing:0.5px;
}
.data-table td{
  padding:12px 16px;
  border-bottom:1px solid var(--border);
  color:var(--text-secondary);
}
.data-table tbody tr:last-child td{border-bottom:none}
.data-table tbody tr:hover{
  background:var(--theme-glow);
}
.data-table tbody tr:hover td{color:var(--text-primary)}
.data-table a{color:var(--gold);font-weight:600}
.data-table a:hover{color:var(--gold-light);text-decoration:underline}
.data-table .zip-num{
  font-family:var(--font-kai);
  font-weight:700;
  color:var(--gold);
  font-size:15px;
}

/* ========== 11: Province Grid ========== */
.province-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:16px;
}
.province-card{
  background:var(--bg-card);
  border-radius:var(--radius-md);
  padding:20px 22px;
  border:1px solid var(--border);
  transition:var(--transition);
  cursor:pointer;
  backdrop-filter:blur(12px);
}
.province-card:hover{
  background:var(--bg-card-hover);
  transform:translateY(-3px);
  box-shadow:var(--shadow);
  border-color:var(--border-gold);
}
.province-card .card-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
}
.province-card .card-ico{
  width:40px;height:40px;
  background:var(--gold-gradient);
  border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;color:#fff;
  flex-shrink:0;
}
.province-card .card-title{
  font-size:17px;
  font-weight:900;
  color:var(--text-primary);
  letter-spacing:1px;
}
.province-card .card-count{
  font-size:12px;
  color:var(--text-muted);
  margin-top:2px;
}
.province-card .card-cities{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:10px;
}
.province-card .city-tag{
  font-size:11px;
  padding:4px 10px;
  background:var(--bg-glass);
  border:1px solid var(--border);
  border-radius:20px;
  color:var(--text-secondary);
  transition:var(--transition);
}
.province-card:hover .city-tag{
  border-color:var(--border-gold);
}

/* ========== 12: City Grid ========== */
.city-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:12px;
}
.city-card{
  background:var(--bg-card);
  border-radius:var(--radius-sm);
  padding:16px 18px;
  border:1px solid var(--border);
  transition:var(--transition);
  cursor:pointer;
  text-align:center;
  backdrop-filter:blur(12px);
}
.city-card:hover{
  background:var(--bg-card-hover);
  transform:translateY(-2px);
  box-shadow:var(--shadow-sm);
  border-color:var(--border-gold);
}
.city-card .city-name{
  font-size:15px;
  font-weight:700;
  color:var(--text-primary);
  margin-bottom:4px;
}
.city-card .city-count{
  font-size:11px;
  color:var(--text-muted);
}

/* ========== 13: Zip Detail Card ========== */
.zip-detail{
  background:var(--bg-card);
  border-radius:var(--radius-md);
  padding:28px 32px;
  border:1px solid var(--border);
  margin-bottom:30px;
  backdrop-filter:blur(12px);
}
.zip-detail .zip-title{
  font-size:24px;
  font-weight:900;
  color:var(--text-primary);
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:12px;
}
.zip-detail .zip-num-big{
  font-family:var(--font-kai);
  font-size:48px;
  font-weight:900;
  color:var(--gold);
  line-height:1;
  margin:16px 0;
}
.zip-detail .zip-info{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
}
.zip-detail .info-row{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  background:var(--bg-glass);
  border-radius:var(--radius-sm);
}
.zip-detail .info-label{
  font-size:12px;
  color:var(--text-muted);
  min-width:60px;
}
.zip-detail .info-value{
  font-size:14px;
  font-weight:700;
  color:var(--text-primary);
}

/* ========== 14: Pagination ========== */
.pagination{
  display:flex;
  justify-content:center;
  gap:6px;
  margin:32px 0;
}
.pagination a,.pagination span{
  display:flex;
  align-items:center;
  justify-content:center;
  min-width:36px;
  height:36px;
  border-radius:var(--radius-sm);
  font-size:13px;
  font-weight:600;
  transition:var(--transition);
}
.pagination a{
  background:var(--bg-card);
  border:1px solid var(--border);
  color:var(--text-secondary);
}
.pagination a:hover{
  background:var(--theme-glow);
  border-color:var(--border-gold);
  color:var(--gold);
}
.pagination .current{
  background:var(--gold-gradient);
  color:#fff;
  border:none;
}
.pagination .dots{
  color:var(--text-muted);
}

/* ========== 15: Footer ========== */
.site-footer{
  border-top:1px solid var(--border);
  margin-top:60px;
  padding:48px 50px 32px;
  position:relative;
}
.site-footer::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--gold-gradient);opacity:0.3;
}
.footer-inner{max-width:1120px;margin:0 auto}
.footer-top{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  margin-bottom:40px;
}
.footer-brand .f-logo{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
}
.footer-brand .f-logo-icon{
  width:36px;height:36px;
  background:var(--gold-gradient);
  border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;color:#fff;font-weight:900;
}
.footer-brand .f-logo-text{
  font-size:18px;
  font-weight:900;
  color:var(--gold);
  letter-spacing:2px;
}
.footer-brand .f-desc{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.8;
  max-width:320px;
}
.footer-col h4{
  font-size:13px;
  font-weight:700;
  color:var(--text-primary);
  margin-bottom:14px;
  letter-spacing:1px;
}
.footer-col a{
  display:block;
  font-size:12px;
  color:var(--text-muted);
  padding:4px 0;
  transition:var(--transition);
}
.footer-col a:hover{
  color:var(--gold);
  text-decoration:none;
  padding-left:4px;
}
.footer-bottom{
  padding-top:20px;
  border-top:1px solid var(--border);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:10px;
  text-align:center;
}
.footer-copy{
  font-size:11px;
  color:var(--text-muted);
  text-align:center;
}
.footer-copy .brand{
  color:var(--gold);
  font-weight:700;
}
.footer-links{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.footer-links a{
  font-size:11px;
  color:var(--text-muted);
}
.footer-links a:hover{color:var(--gold)}
.footer-icp{
  font-size:10px;
  color:var(--text-muted);
  opacity:0.6;
  text-align:center;
}

/* ========== 16: Back to Top ========== */
.back-to-top{
  position:fixed;
  bottom:36px;
  right:36px;
  width:52px;
  height:52px;
  border-radius:50%;
  background:var(--bg-glass,rgba(255,255,255,0.6));
  color:var(--gold);
  border:1.5px solid var(--border-gold);
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 20px var(--gold-glow), 0 1px 3px rgba(0,0,0,0.06);
  z-index:99990;
  opacity:0;
  visibility:hidden;
  transform:translateY(16px) scale(0.9);
  transition:opacity 0.35s cubic-bezier(0.4,0,0.2,1),
             transform 0.35s cubic-bezier(0.4,0,0.2,1),
             visibility 0.35s,
             background 0.25s ease,
             box-shadow 0.25s ease,
             border-color 0.25s ease;
  backdrop-filter:blur(12px) saturate(1.2);
  -webkit-backdrop-filter:blur(12px) saturate(1.2);
  outline:none;
}
.back-to-top.btt-visible{
  opacity:1;
  visibility:visible;
  transform:translateY(0) scale(1);
}
.back-to-top:hover{
  background:var(--bg-card-solid,#fff);
  border-color:var(--gold);
  box-shadow:0 8px 28px var(--gold-glow), 0 2px 6px rgba(0,0,0,0.08);
  transform:translateY(-3px) scale(1.06);
}
.back-to-top:active{
  transform:translateY(-1px) scale(0.97);
  transition-duration:0.1s;
}

/* ========== 17: Responsive ========== */
@media(max-width:1100px){
  .sidebar{width:220px}
  .main{margin-left:220px}
  .content{padding:32px 28px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .zip-detail .zip-info{grid-template-columns:1fr}
}
@media(max-width:800px){
  .sidebar{display:none}
  .main{margin-left:0}
  .content{padding:24px 18px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .province-grid{grid-template-columns:1fr}
  .city-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr}
  .floating-toolbar{top:8px;right:8px;padding:3px 4px;gap:1px}
  .tb-theme{padding:4px 8px 4px 4px}
  .tb-name{font-size:11px}
  .tb-dot{width:18px;height:18px}
  .site-footer{padding:32px 18px 24px}
  .zip-detail{padding:20px 22px}
  .zip-detail .zip-num-big{font-size:36px}
}
@media(max-width:480px){
  .content{padding:16px 14px 0}
  .ph-header h1{font-size:24px}
  .stats-grid{grid-template-columns:1fr}
  .city-grid{grid-template-columns:1fr}
  .data-table{font-size:12px}
  .data-table th,.data-table td{padding:10px 12px}
  .back-to-top{
    bottom:20px;right:16px;
    width:44px;height:44px;
  }
}

/* ========== 16: Compact Footer (Narrow Screens) ========== */
@media(max-width:800px){
  .footer-top{display:none}
  .site-footer{
    padding:20px 18px 16px;
    margin-top:40px;
  }
  .footer-bottom{
    padding-top:0;
    border-top:none;
    flex-direction:row;
    flex-wrap:wrap;
    justify-content:center;
    gap:6px 16px;
  }
  .footer-copy{
    font-size:11px;
    order:1;
    width:100%;
    text-align:center;
  }
  .footer-links{
    order:0;
    gap:12px;
  }
  .footer-links a{font-size:11px}
  .footer-icp{
    order:2;
    font-size:9px;
    width:100%;
    margin-top:2px;
  }
}
@media(max-width:480px){
  .site-footer{padding:14px 14px 12px;margin-top:32px}
  .footer-bottom{gap:4px 10px}
  .footer-copy{font-size:10px}
  .footer-links{gap:8px}
  .footer-links a{font-size:10px}
  .footer-icp{font-size:8px;margin-top:0}
}

/* ========== City Info Card (Rich) ========== */
.city-info-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(420px,1fr));
  gap:20px;
}
.city-info-card{
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  padding:28px 32px;
  border:1px solid var(--border);
  transition:var(--transition);
  cursor:pointer;
  backdrop-filter:blur(12px);
}
.city-info-card:hover{
  background:var(--bg-card-hover);
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:var(--border-gold);
}
.cic-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:14px;
}
.cic-name{
  font-size:20px;
  font-weight:900;
  color:var(--text-primary);
  letter-spacing:0.5px;
}
.cic-code{
  font-size:13px;
  color:var(--gold);
  background:var(--gold-glow);
  padding:4px 14px;
  border-radius:20px;
  font-weight:800;
  border:1px solid var(--border-gold);
}
.cic-desc{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.cic-stats{
  display:flex;
  gap:24px;
  margin-bottom:16px;
}
.cic-stat{
  font-size:13px;
  color:var(--text-muted);
}
.cic-stat b{
  color:var(--gold);
  font-size:18px;
  font-weight:800;
  margin-right:2px;
}
.cic-districts{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:16px;
}
.district-tag{
  font-size:12px;
  color:var(--text-secondary);
  background:var(--bg-primary);
  padding:4px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  transition:var(--transition);
}
.district-tag:hover{
  background:var(--gold-glow);
  border-color:var(--border-gold);
  color:var(--gold-dark);
}
.district-tag.more{
  color:var(--gold);
  border-color:var(--border-gold);
  background:var(--gold-glow);
}
.cic-action{
  font-size:13px;
  color:var(--gold);
  text-align:right;
  font-weight:700;
}

/* ========== District Tags Grid ========== */
.dist-tags-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
  gap:10px;
}
.dist-tag-item{
  background:var(--bg-card);
  border-radius:var(--radius-sm);
  padding:12px 14px;
  border:1px solid var(--border);
  text-align:center;
  transition:var(--transition);
}
.dist-tag-item:hover{
  border-color:var(--border-gold);
  transform:translateY(-2px);
}
.dt-name{
  display:block;
  font-size:14px;
  font-weight:700;
  color:var(--text-primary);
  margin-bottom:4px;
}
.dt-zip{
  display:block;
  font-size:13px;
  color:var(--gold);
  font-weight:800;
  font-family:'Courier New',monospace;
}

/* ========== Street Samples ========== */
.street-samples-box{
  background:var(--bg-card);
  border-radius:var(--radius-md);
  padding:20px 24px;
  border:1px solid var(--border);
}
.street-sample{
  font-size:13px;
  color:var(--text-secondary);
  line-height:1.8;
  padding:6px 0;
  border-bottom:1px dashed var(--border);
}
.street-sample:last-child{
  border-bottom:none;
}
.street-sample b{
  color:var(--text-primary);
}

/* ========== Quick Nav Grid ========== */
.quick-nav-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(120px,1fr));
  gap:8px;
}
.quick-nav-item{
  display:block;
  text-align:center;
  padding:10px 8px;
  background:var(--bg-card);
  border-radius:var(--radius-sm);
  border:1px solid var(--border);
  font-size:13px;
  color:var(--text-primary);
  text-decoration:none;
  transition:var(--transition);
}
.quick-nav-item:hover{
  background:var(--bg-card-hover);
  border-color:var(--border-gold);
  color:var(--primary);
}

/* --- qn-item: 国际页快速导航 --- */
.qn-item{
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:12px 10px;
  background:var(--bg-card);
  border:2px solid var(--gold);
  border-radius:14px;
  font-size:14px;
  font-weight:700;
  color:var(--gold);
  text-decoration:none;
  transition:var(--transition);
  box-shadow:0 2px 8px rgba(58,123,213,.08);
  min-height:44px;
}
.qn-item:hover{
  background:var(--gold);
  color:#fff;
  border-color:var(--gold);
  box-shadow:0 6px 20px rgba(58,123,213,.35);
  transform:translateY(-3px);
}

/* ========== Tag ========== */
.tag{
  display:inline-block;
  font-size:11px;
  color:var(--text-muted);
  background:var(--bg-body);
  padding:2px 8px;
  border-radius:10px;
}

/* ========== Responsive ========== */
@media(max-width:800px){
  .city-info-grid{grid-template-columns:1fr}
  .quick-nav-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:480px){
  .city-info-card{padding:20px 22px}
  .cic-stats{gap:14px}
  .cic-name{font-size:18px}
  .quick-nav-grid{grid-template-columns:repeat(2,1fr)}
}