/* 现代统一的配色系统 */
:root {
  color-scheme: light;
  --color-bg-start: #f4f7ff;
  --color-bg-end: #eef2ff;
  --color-surface: rgba(255, 255, 255, 0.9);
  --color-surface-strong: rgba(255, 255, 255, 0.96);
  --color-border: rgba(var(--color-primary-rgb), 0.12);
  --color-border-strong: rgba(var(--color-primary-strong-rgb), 0.25);
  --color-text: #0f172a;
  --color-muted: #64748b;
  --color-muted-strong: #475569;
  --color-primary: #6366f1;
  --color-primary-rgb: 99, 102, 241;
  --color-primary-strong: #4f46e5;
  --color-primary-strong-rgb: 79, 70, 229;
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.12);
  --color-secondary: #38bdf8;
  --color-secondary-rgb: 56, 189, 248;
  --color-secondary-alt: #0ea5e9;
  --color-secondary-alt-rgb: 14, 165, 233;
  --color-secondary-bright-rgb: 59, 130, 246;
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.16);
  --color-glow: rgba(var(--color-primary-rgb), 0.25);
  --color-shadow: rgba(15, 23, 42, 0.08);
  --color-shadow-strong: rgba(15, 23, 42, 0.16);
  --color-navbar-light-start-rgb: 15, 23, 42;
  --color-navbar-light-end-rgb: 30, 64, 175;
  --color-navbar-dark-start-rgb: 3, 7, 18;
  --color-navbar-dark-end-rgb: 15, 23, 42;
  --color-footer: #0f172a;
  --motion-duration-short: 0.18s;
  --motion-duration-medium: 0.32s;
  --motion-duration-long: 0.52s;
  --motion-duration-xlong: 0.72s;
  --motion-ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --motion-ease-decelerate: cubic-bezier(0.16, 1, 0.3, 1);
  --motion-ease-accelerate: cubic-bezier(0.4, 0, 1, 1);
  --motion-ease-emphasized: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 页面基础 */
html {
  width: 100%;
  overflow-x: hidden;
  font-size: 15px;
}

body.theme-modern,
body.theme-zen,
body.theme-sunrise,
body.theme-midnight,
body.theme-forest,
body.theme-ocean,
body.theme-latte {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  width: 100%;
  font-family: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
  color: var(--color-text);
}

body.theme-modern {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  width: 100%;
  font-family: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(var(--color-primary-rgb), 0.08), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(var(--color-secondary-rgb), 0.1), transparent 45%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

body.theme-zen {
  --color-bg-start: #f5f6fa;
  --color-bg-end: #edf1f6;
  --color-surface: rgba(255, 255, 255, 0.92);
  --color-surface-strong: rgba(255, 255, 255, 0.97);
  --color-border: rgba(96, 100, 133, 0.14);
  --color-border-strong: rgba(65, 70, 108, 0.24);
  --color-text: #1f2430;
  --color-muted: #525a6d;
  --color-muted-strong: #3c4354;
  --color-primary: #6e64c3;
  --color-primary-rgb: 110, 100, 195;
  --color-primary-strong: #5a4fcf;
  --color-primary-strong-rgb: 90, 79, 207;
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.14);
  --color-secondary: #a78bfa;
  --color-secondary-rgb: 167, 139, 250;
  --color-secondary-alt: #8b75f5;
  --color-secondary-alt-rgb: 139, 117, 245;
  --color-secondary-bright-rgb: 104, 97, 182;
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.18);
  --color-glow: rgba(var(--color-secondary-rgb), 0.2);
  --color-shadow: rgba(24, 27, 39, 0.08);
  --color-shadow-strong: rgba(24, 27, 39, 0.16);
  --color-navbar-light-start-rgb: 47, 49, 69;
  --color-navbar-light-end-rgb: 90, 79, 207;
  --color-navbar-dark-start-rgb: 22, 24, 35;
  --color-navbar-dark-end-rgb: 10, 12, 21;
  --color-footer: #1f2430;
  background: radial-gradient(circle at 18% 18%, rgba(141, 129, 216, 0.18), transparent 48%),
    radial-gradient(circle at 82% -4%, rgba(167, 139, 250, 0.18), transparent 52%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  color: var(--color-text);
}

body.theme-zen.theme-light {
  color-scheme: light;
}

body.theme-zen.theme-dark {
  color-scheme: dark;
  --color-bg-start: #0f1117;
  --color-bg-end: #090b12;
  --color-surface: rgba(18, 21, 31, 0.92);
  --color-surface-strong: rgba(22, 26, 36, 0.96);
  --color-border: rgba(var(--color-primary-rgb), 0.32);
  --color-border-strong: rgba(var(--color-primary-strong-rgb), 0.44);
  --color-text: #e3e6f1;
  --color-muted: rgba(176, 181, 196, 0.78);
  --color-muted-strong: rgba(210, 214, 226, 0.92);
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.3);
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.32);
  --color-glow: rgba(var(--color-secondary-rgb), 0.28);
  --color-shadow: rgba(4, 5, 10, 0.62);
  --color-shadow-strong: rgba(4, 5, 10, 0.78);
  --color-footer: #08090f;
  background: radial-gradient(circle at 20% 12%, rgba(var(--color-primary-rgb), 0.26), transparent 52%),
    radial-gradient(circle at 78% -8%, rgba(var(--color-secondary-rgb), 0.24), transparent 50%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
}

body.theme-sunrise {
  --color-bg-start: #fff7ed;
  --color-bg-end: #ffe4e6;
  --color-surface: rgba(255, 249, 243, 0.92);
  --color-surface-strong: rgba(255, 247, 237, 0.97);
  --color-border: rgba(249, 115, 22, 0.14);
  --color-border-strong: rgba(234, 88, 12, 0.25);
  --color-text: #431407;
  --color-muted: rgba(180, 83, 9, 0.78);
  --color-muted-strong: #7c2d12;
  --color-primary: #f97316;
  --color-primary-rgb: 249, 115, 22;
  --color-primary-strong: #ea580c;
  --color-primary-strong-rgb: 234, 88, 12;
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.14);
  --color-secondary: #fb7185;
  --color-secondary-rgb: 251, 113, 133;
  --color-secondary-alt: #facc15;
  --color-secondary-alt-rgb: 250, 204, 21;
  --color-secondary-bright-rgb: 236, 72, 153;
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.18);
  --color-glow: rgba(var(--color-secondary-rgb), 0.25);
  --color-shadow: rgba(124, 45, 18, 0.08);
  --color-shadow-strong: rgba(124, 45, 18, 0.16);
  --color-navbar-light-start-rgb: 148, 54, 11;
  --color-navbar-light-end-rgb: 234, 88, 12;
  --color-navbar-dark-start-rgb: 76, 29, 7;
  --color-navbar-dark-end-rgb: 34, 13, 3;
  --color-footer: #431407;
  background: radial-gradient(circle at 18% 18%, rgba(var(--color-primary-rgb), 0.14), transparent 45%),
    radial-gradient(circle at 82% -5%, rgba(var(--color-secondary-rgb), 0.18), transparent 52%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  color: var(--color-text);
}

body.theme-sunrise.theme-light {
  color-scheme: light;
}

body.theme-sunrise.theme-dark {
  color-scheme: dark;
  --color-bg-start: #2b1a0a;
  --color-bg-end: #1a0f05;
  --color-surface: rgba(43, 26, 10, 0.9);
  --color-surface-strong: rgba(43, 26, 10, 0.95);
  --color-border: rgba(var(--color-primary-rgb), 0.32);
  --color-border-strong: rgba(var(--color-primary-rgb), 0.42);
  --color-text: #fde68a;
  --color-muted: rgba(253, 224, 71, 0.7);
  --color-muted-strong: rgba(254, 240, 138, 0.92);
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.28);
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.32);
  --color-glow: rgba(var(--color-secondary-rgb), 0.38);
  --color-shadow: rgba(15, 6, 0, 0.55);
  --color-shadow-strong: rgba(15, 6, 0, 0.72);
  --color-footer: #1f1306;
  background: radial-gradient(circle at 18% 15%, rgba(var(--color-primary-rgb), 0.22), transparent 55%),
    radial-gradient(circle at 80% -10%, rgba(var(--color-secondary-rgb), 0.2), transparent 50%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
}

body.theme-midnight {
  --color-bg-start: #e0f2fe;
  --color-bg-end: #ede9fe;
  --color-surface: rgba(244, 245, 255, 0.92);
  --color-surface-strong: rgba(238, 242, 255, 0.97);
  --color-border: rgba(14, 116, 144, 0.16);
  --color-border-strong: rgba(7, 89, 133, 0.24);
  --color-text: #0f172a;
  --color-muted: #1e293b;
  --color-muted-strong: #1f2a44;
  --color-primary: #0ea5e9;
  --color-primary-rgb: 14, 165, 233;
  --color-primary-strong: #0284c7;
  --color-primary-strong-rgb: 2, 132, 199;
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.14);
  --color-secondary: #a855f7;
  --color-secondary-rgb: 168, 85, 247;
  --color-secondary-alt: #38bdf8;
  --color-secondary-alt-rgb: 56, 189, 248;
  --color-secondary-bright-rgb: 59, 130, 246;
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.18);
  --color-glow: rgba(var(--color-secondary-rgb), 0.24);
  --color-shadow: rgba(15, 23, 42, 0.08);
  --color-shadow-strong: rgba(15, 23, 42, 0.16);
  --color-navbar-light-start-rgb: 12, 74, 110;
  --color-navbar-light-end-rgb: 76, 29, 149;
  --color-navbar-dark-start-rgb: 7, 34, 74;
  --color-navbar-dark-end-rgb: 18, 9, 45;
  --color-footer: #0f172a;
  background: radial-gradient(circle at 18% 20%, rgba(var(--color-primary-rgb), 0.12), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(var(--color-secondary-rgb), 0.14), transparent 50%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  color: var(--color-text);
}

body.theme-midnight.theme-light {
  color-scheme: light;
}

body.theme-midnight.theme-dark {
  color-scheme: dark;
  --color-bg-start: #020617;
  --color-bg-end: #0b1120;
  --color-surface: rgba(6, 12, 28, 0.9);
  --color-surface-strong: rgba(8, 16, 34, 0.94);
  --color-border: rgba(var(--color-primary-rgb), 0.32);
  --color-border-strong: rgba(var(--color-primary-strong-rgb), 0.42);
  --color-text: #cbd5f5;
  --color-muted: rgba(148, 163, 184, 0.78);
  --color-muted-strong: rgba(226, 232, 240, 0.92);
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.28);
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.34);
  --color-glow: rgba(var(--color-secondary-rgb), 0.38);
  --color-shadow: rgba(2, 6, 23, 0.62);
  --color-shadow-strong: rgba(2, 6, 23, 0.78);
  --color-footer: #010617;
  background: radial-gradient(circle at 22% 12%, rgba(var(--color-primary-rgb), 0.22), transparent 55%),
    radial-gradient(circle at 80% -10%, rgba(var(--color-secondary-rgb), 0.22), transparent 52%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
}

body.theme-forest {
  --color-bg-start: #ecfdf5;
  --color-bg-end: #d1fae5;
  --color-surface: rgba(255, 255, 255, 0.92);
  --color-surface-strong: rgba(255, 255, 255, 0.97);
  --color-border: rgba(16, 185, 129, 0.16);
  --color-border-strong: rgba(4, 120, 87, 0.25);
  --color-text: #064e3b;
  --color-muted: rgba(13, 148, 136, 0.78);
  --color-muted-strong: #0f766e;
  --color-primary: #059669;
  --color-primary-rgb: 5, 150, 105;
  --color-primary-strong: #047857;
  --color-primary-strong-rgb: 4, 120, 87;
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.12);
  --color-secondary: #22c55e;
  --color-secondary-rgb: 34, 197, 94;
  --color-secondary-alt: #2dd4bf;
  --color-secondary-alt-rgb: 45, 212, 191;
  --color-secondary-bright-rgb: 15, 118, 110;
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.18);
  --color-glow: rgba(var(--color-secondary-rgb), 0.24);
  --color-shadow: rgba(6, 78, 59, 0.08);
  --color-shadow-strong: rgba(6, 78, 59, 0.16);
  --color-navbar-light-start-rgb: 6, 95, 70;
  --color-navbar-light-end-rgb: 4, 120, 87;
  --color-navbar-dark-start-rgb: 1, 46, 34;
  --color-navbar-dark-end-rgb: 0, 30, 22;
  --color-footer: #064e3b;
  background: radial-gradient(circle at 15% 20%, rgba(var(--color-secondary-rgb), 0.18), transparent 45%),
    radial-gradient(circle at 85% -5%, rgba(var(--color-primary-rgb), 0.16), transparent 52%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  color: var(--color-text);
}

body.theme-forest.theme-light {
  color-scheme: light;
}

body.theme-forest.theme-dark {
  color-scheme: dark;
  --color-bg-start: #022c22;
  --color-bg-end: #011c15;
  --color-surface: rgba(4, 47, 33, 0.9);
  --color-surface-strong: rgba(6, 43, 32, 0.95);
  --color-border: rgba(var(--color-primary-rgb), 0.32);
  --color-border-strong: rgba(var(--color-primary-strong-rgb), 0.42);
  --color-text: #bbf7d0;
  --color-muted: rgba(110, 231, 183, 0.75);
  --color-muted-strong: rgba(187, 247, 208, 0.92);
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.28);
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.32);
  --color-glow: rgba(var(--color-secondary-rgb), 0.36);
  --color-shadow: rgba(var(--color-navbar-dark-start-rgb), 0.62);
  --color-shadow-strong: rgba(var(--color-navbar-dark-start-rgb), 0.78);
  --color-footer: #012118;
  background: radial-gradient(circle at 18% 15%, rgba(var(--color-primary-rgb), 0.22), transparent 55%),
    radial-gradient(circle at 78% -8%, rgba(var(--color-secondary-rgb), 0.2), transparent 52%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
}

body.theme-ocean {
  --color-bg-start: #f0f9ff;
  --color-bg-end: #dbeafe;
  --color-surface: rgba(255, 255, 255, 0.92);
  --color-surface-strong: rgba(255, 255, 255, 0.97);
  --color-border: rgba(37, 99, 235, 0.14);
  --color-border-strong: rgba(29, 78, 216, 0.24);
  --color-text: #0f172a;
  --color-muted: #1d4ed8;
  --color-muted-strong: #1e3a8a;
  --color-primary: #2563eb;
  --color-primary-rgb: 37, 99, 235;
  --color-primary-strong: #1d4ed8;
  --color-primary-strong-rgb: 29, 78, 216;
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.12);
  --color-secondary: #0ea5e9;
  --color-secondary-rgb: 14, 165, 233;
  --color-secondary-alt: #60a5fa;
  --color-secondary-alt-rgb: 96, 165, 250;
  --color-secondary-bright-rgb: 30, 64, 175;
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.18);
  --color-glow: rgba(var(--color-secondary-rgb), 0.26);
  --color-shadow: rgba(15, 23, 42, 0.08);
  --color-shadow-strong: rgba(15, 23, 42, 0.16);
  --color-navbar-light-start-rgb: 15, 76, 129;
  --color-navbar-light-end-rgb: 37, 99, 235;
  --color-navbar-dark-start-rgb: 12, 45, 94;
  --color-navbar-dark-end-rgb: 6, 28, 68;
  --color-footer: #0f172a;
  background: radial-gradient(circle at 20% 18%, rgba(var(--color-secondary-rgb), 0.18), transparent 45%),
    radial-gradient(circle at 84% -6%, rgba(var(--color-primary-rgb), 0.14), transparent 48%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  color: var(--color-text);
}

body.theme-ocean.theme-light {
  color-scheme: light;
}

body.theme-ocean.theme-dark {
  color-scheme: dark;
  --color-bg-start: #0b1220;
  --color-bg-end: #060b17;
  --color-surface: rgba(7, 17, 33, 0.9);
  --color-surface-strong: rgba(8, 21, 41, 0.94);
  --color-border: rgba(var(--color-primary-rgb), 0.32);
  --color-border-strong: rgba(var(--color-primary-strong-rgb), 0.42);
  --color-text: #dbeafe;
  --color-muted: rgba(148, 163, 184, 0.78);
  --color-muted-strong: rgba(219, 234, 254, 0.92);
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.28);
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.32);
  --color-glow: rgba(var(--color-secondary-rgb), 0.36);
  --color-shadow: rgba(var(--color-navbar-dark-start-rgb), 0.64);
  --color-shadow-strong: rgba(var(--color-navbar-dark-start-rgb), 0.8);
  --color-footer: #040916;
  background: radial-gradient(circle at 25% 15%, rgba(var(--color-primary-rgb), 0.22), transparent 55%),
    radial-gradient(circle at 78% -8%, rgba(var(--color-secondary-rgb), 0.22), transparent 52%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
}

body.theme-latte {
  --color-bg-start: #faf3e0;
  --color-bg-end: #f5e6ca;
  --color-surface: rgba(255, 255, 255, 0.93);
  --color-surface-strong: rgba(255, 255, 255, 0.97);
  --color-border: rgba(180, 83, 9, 0.14);
  --color-border-strong: rgba(146, 64, 14, 0.22);
  --color-text: #422006;
  --color-muted: rgba(150, 83, 27, 0.78);
  --color-muted-strong: #854d0e;
  --color-primary: #b45309;
  --color-primary-rgb: 180, 83, 9;
  --color-primary-strong: #92400e;
  --color-primary-strong-rgb: 146, 64, 14;
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.12);
  --color-secondary: #d97706;
  --color-secondary-rgb: 217, 119, 6;
  --color-secondary-alt: #f59e0b;
  --color-secondary-alt-rgb: 245, 158, 11;
  --color-secondary-bright-rgb: 202, 138, 4;
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.18);
  --color-glow: rgba(var(--color-secondary-rgb), 0.25);
  --color-shadow: rgba(120, 53, 15, 0.08);
  --color-shadow-strong: rgba(120, 53, 15, 0.16);
  --color-navbar-light-start-rgb: 120, 53, 15;
  --color-navbar-light-end-rgb: 180, 83, 9;
  --color-navbar-dark-start-rgb: 80, 35, 7;
  --color-navbar-dark-end-rgb: 50, 22, 4;
  --color-footer: #78350f;
  background: radial-gradient(circle at 18% 18%, rgba(var(--color-primary-rgb), 0.18), transparent 45%),
    radial-gradient(circle at 82% -6%, rgba(var(--color-secondary-rgb), 0.16), transparent 52%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  color: var(--color-text);
}

body.theme-latte.theme-light {
  color-scheme: light;
}

body.theme-latte.theme-dark {
  color-scheme: dark;
  --color-bg-start: #2a1605;
  --color-bg-end: #1b0e03;
  --color-surface: rgba(58, 32, 12, 0.9);
  --color-surface-strong: rgba(44, 25, 9, 0.95);
  --color-border: rgba(var(--color-primary-rgb), 0.32);
  --color-border-strong: rgba(var(--color-primary-strong-rgb), 0.42);
  --color-text: #fde68a;
  --color-muted: rgba(253, 230, 138, 0.72);
  --color-muted-strong: rgba(254, 240, 199, 0.92);
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.28);
  --color-secondary-soft: rgba(var(--color-secondary-rgb), 0.32);
  --color-glow: rgba(var(--color-secondary-rgb), 0.36);
  --color-shadow: rgba(var(--color-navbar-dark-start-rgb), 0.64);
  --color-shadow-strong: rgba(var(--color-navbar-dark-start-rgb), 0.8);
  --color-footer: #1f1004;
  background: radial-gradient(circle at 20% 14%, rgba(var(--color-primary-rgb), 0.24), transparent 55%),
    radial-gradient(circle at 80% -8%, rgba(var(--color-secondary-rgb), 0.2), transparent 52%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body.modal-open,
body.nav-open {
  overflow: hidden;
}

body.theme-modern.theme-light {
  color-scheme: light;
}

body.theme-dark {
  color-scheme: dark;
  --color-bg-start: #020617;
  --color-bg-end: #0f172a;
  --color-surface: rgba(15, 23, 42, 0.88);
  --color-surface-strong: rgba(15, 23, 42, 0.94);
  --color-border: rgba(var(--color-primary-strong-rgb), 0.24);
  --color-border-strong: rgba(var(--color-primary-strong-rgb), 0.38);
  --color-text: #e2e8f0;
  --color-muted: rgba(148, 163, 184, 0.8);
  --color-muted-strong: rgba(203, 213, 225, 0.92);
  --color-primary-soft: rgba(var(--color-primary-rgb), 0.22);
  --color-secondary-soft: rgba(var(--color-secondary-alt-rgb), 0.26);
  --color-glow: rgba(var(--color-primary-rgb), 0.35);
  --color-shadow: rgba(var(--color-navbar-dark-start-rgb), 0.65);
  --color-shadow-strong: rgba(var(--color-navbar-dark-start-rgb), 0.78);
  --color-footer: #020617;
  background: radial-gradient(circle at 25% 15%, rgba(var(--color-primary-rgb), 0.18), transparent 55%),
    radial-gradient(circle at 80% 0%, rgba(var(--color-secondary-alt-rgb), 0.18), transparent 50%),
    linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
}

main {
  margin-top: 0.75rem;
  flex: 1 0 auto;
  padding-bottom: clamp(2.5rem, 6vw, 3.5rem);
}

/* 顶部导航栏 */
.navbar {
  background: linear-gradient(135deg, rgba(var(--color-navbar-light-start-rgb), 0.75), rgba(var(--color-navbar-light-end-rgb), 0.55));
  z-index: 20;
  padding: 0.85rem 0;
  box-shadow: 0 18px 40px rgba(var(--color-navbar-light-start-rgb), 0.2);
}

.navbar-static {
  position: relative;
  top: 0;
}

.navbar-sticky {
  position: sticky;
  top: 0;
}

.navbar::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.22), transparent 65%);
  pointer-events: none;
  opacity: 0.55;
}

.navbar-container {
  max-width: 72rem;
  max-height: 3rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.navbar-brand {
  min-width: 145px;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.navbar-right .theme-toggle {
  flex-shrink: 0;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: 1rem;
}

.navbar-languages {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1rem;
}

.nav-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(148, 163, 184, 0.12);
  color: var(--color-muted-strong);
  cursor: pointer;
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    background var(--motion-duration-short) var(--motion-ease-standard),
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
}

.nav-icon-button svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: currentColor;
}

.nav-icon-button:hover,
.nav-icon-button.active,
.nav-icon-button.is-open {
  border-color: rgba(var(--color-primary-rgb), 0.45);
  background: rgba(var(--color-primary-rgb), 0.18);
  color: var(--color-primary-strong);
  box-shadow: 0 12px 26px rgba(var(--color-primary-rgb), 0.22);
}

.navbar-logo {
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  color: #fff;
  transition: transform var(--motion-duration-medium) var(--motion-ease-decelerate);
  letter-spacing: -0.01em;
}

.navbar-logo:hover {
  transform: translateY(-1px) scale(1.02);
  color: #fff;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-toggle-area {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1rem;
}

.filter-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(148, 163, 184, 0.12);
  color: var(--color-muted-strong);
  font-weight: 500;
  cursor: pointer;
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    background var(--motion-duration-short) var(--motion-ease-standard),
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
}

.filter-toggle-btn:hover,
.filter-toggle-btn.expanded {
  border-color: rgba(var(--color-primary-rgb), 0.4);
  background: rgba(var(--color-primary-rgb), 0.18);
  color: var(--color-primary-strong);
  box-shadow: 0 12px 28px rgba(var(--color-primary-rgb), 0.2);
}

.filter-toggle-icon {
  font-size: 1rem;
  transition: transform var(--motion-duration-medium) var(--motion-ease-decelerate);
}

.filter-toggle-btn.expanded .filter-toggle-icon {
  transform: none;
}

.post-filters {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
}

.filter-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--motion-duration-medium) var(--motion-ease-standard);
}

.filter-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.filter-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
}

.filter-modal-dialog {
  position: relative;
  width: min(640px, 100%);
  max-height: calc(100vh - 4rem);
  overflow: hidden;
  border-radius: 1.35rem;
  background: var(--color-surface-strong);
  border: 1px solid var(--color-border);
  box-shadow: 0 32px 60px rgba(15, 23, 42, 0.28);
  transform: translateY(16px);
  transition: transform var(--motion-duration-long) var(--motion-ease-decelerate);
  display: flex;
  flex-direction: column;
  z-index: 1;
}

.filter-modal.open .filter-modal-dialog {
  transform: translateY(0);
}

.filter-modal-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  flex: 1;
  min-height: 0;
}

.filter-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.filter-modal-header h2 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--color-text);
}

.filter-modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(148, 163, 184, 0.12);
  color: var(--color-muted-strong);
  cursor: pointer;
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    background var(--motion-duration-short) var(--motion-ease-standard),
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate);
}

.filter-modal-close:hover {
  border-color: rgba(var(--color-primary-rgb), 0.45);
  background: rgba(var(--color-primary-rgb), 0.18);
  color: var(--color-primary-strong);
  box-shadow: 0 10px 22px rgba(var(--color-primary-rgb), 0.22);
}

.filter-modal-body {
  padding: 1.25rem 1.75rem 1.75rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  flex: 1;
  min-height: 0;
}

.filter-modal-results {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.filter-modal-results .post-card {
  box-shadow: 0 18px 32px rgba(15, 23, 42, 0.18);
}

.filter-modal-results .post-content-area {
  padding: 1.4rem 1.45rem 1.35rem;
}

.filter-modal-results .post-title {
  font-size: 1.4rem;
}

.search-field {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(148, 163, 184, 0.1);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 0.9rem;
  padding: 0.2rem 0.75rem 0.2rem 2.5rem;
  transition:
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate),
    background var(--motion-duration-short) var(--motion-ease-standard);
}

.search-field:focus-within {
  border-color: rgba(var(--color-primary-rgb), 0.4);
  background: rgba(var(--color-primary-rgb), 0.12);
  box-shadow: 0 12px 28px rgba(var(--color-primary-rgb), 0.18);
}

.search-icon {
  position: absolute;
  left: 1rem;
  font-size: 1rem;
  opacity: 0.6;
}

.search-input {
  width: 100%;
  padding: 0.9rem 0;
  background: transparent;
  border: none;
  outline: none;
  font-size: 1rem;
  color: var(--color-text);
}

.search-input::placeholder {
  color: rgba(148, 163, 184, 0.8);
}

.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag-filter-btn {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(148, 163, 184, 0.12);
  color: var(--color-muted-strong);
  cursor: pointer;
  font-size: 0.85rem;
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    background var(--motion-duration-short) var(--motion-ease-standard),
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate),
    transform var(--motion-duration-medium) var(--motion-ease-decelerate);
}

.tag-filter-btn:hover {
  border-color: rgba(var(--color-primary-rgb), 0.45);
  color: var(--color-primary-strong);
  box-shadow: 0 10px 20px rgba(var(--color-primary-rgb), 0.18);
}

.tag-filter-btn.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  border-color: transparent;
  box-shadow: 0 12px 28px rgba(var(--color-primary-rgb), 0.25);
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  border: 1px dashed rgba(148, 163, 184, 0.35);
  border-radius: 1rem;
  color: var(--color-muted);
  background: rgba(148, 163, 184, 0.08);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(148, 163, 184, 0.16);
  color: rgba(226, 232, 240, 0.92);
  cursor: pointer;
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    background var(--motion-duration-short) var(--motion-ease-standard),
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  border-color: rgba(var(--color-primary-rgb), 0.45);
  background: rgba(var(--color-primary-rgb), 0.2);
  box-shadow: 0 10px 22px rgba(var(--color-primary-rgb), 0.25);
}

.theme-toggle-icon {
  font-size: 1.1rem;
  line-height: 1;
  transition: transform var(--motion-duration-medium) var(--motion-ease-decelerate);
}

body.theme-dark .navbar {
  background: linear-gradient(120deg, rgba(var(--color-navbar-dark-start-rgb), 0.95), rgba(var(--color-navbar-dark-end-rgb), 0.92));
  border-bottom: 1px solid rgba(var(--color-primary-strong-rgb), 0.25);
  box-shadow: 0 14px 32px rgba(var(--color-navbar-dark-start-rgb), 0.6);
}

body.theme-dark .nav-item {
  color: rgba(226, 232, 240, 0.82);
}

body.theme-dark .nav-item::before {
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.5), rgba(var(--color-secondary-alt-rgb), 0.32));
}

body.theme-dark .nav-item:hover {
  color: #f8fafc;
}

body.theme-dark .nav-item.active {
  color: #cbd5f5;
  background: rgba(var(--color-primary-rgb), 0.28);
  border-color: rgba(var(--color-primary-strong-rgb), 0.45);
  box-shadow: 0 16px 34px rgba(var(--color-primary-rgb), 0.32);
}

body.theme-dark .nav-item-special {
  box-shadow: 0 18px 42px rgba(var(--color-secondary-rgb), 0.5);
  border-color: rgba(var(--color-secondary-rgb), 0.45);
}

body.theme-dark .search-field {
  background: rgba(var(--color-navbar-dark-end-rgb), 0.7);
  border-color: rgba(var(--color-primary-strong-rgb), 0.35);
}

body.theme-dark .search-field:focus-within {
  border-color: rgba(var(--color-primary-strong-rgb), 0.55);
  background: rgba(var(--color-primary-strong-rgb), 0.35);
  box-shadow: 0 14px 34px rgba(var(--color-primary-rgb), 0.35);
}

body.theme-dark .tag-filter-btn {
  background: rgba(var(--color-primary-strong-rgb), 0.25);
  border-color: rgba(var(--color-primary-strong-rgb), 0.45);
  color: rgba(226, 232, 240, 0.85);
}

body.theme-dark .tag-filter-btn:hover {
  color: #f8fafc;
  box-shadow: 0 14px 30px rgba(var(--color-primary-rgb), 0.35);
}

body.theme-dark .post-filters {
  background: transparent;
  border: none;
  box-shadow: none;
}

body.theme-dark .nav-icon-button {
  background: rgba(var(--color-primary-strong-rgb), 0.28);
  border-color: rgba(var(--color-primary-strong-rgb), 0.45);
  color: rgba(226, 232, 240, 0.9);
}

body.theme-dark .nav-icon-button:hover,
body.theme-dark .nav-icon-button.active,
body.theme-dark .nav-icon-button.is-open {
  background: rgba(var(--color-primary-rgb), 0.38);
  color: #f8fafc;
  border-color: rgba(var(--color-primary-strong-rgb), 0.55);
  box-shadow: 0 16px 30px rgba(var(--color-primary-rgb), 0.35);
}

body.theme-dark .post-chip {
  background: linear-gradient(135deg, rgba(var(--color-primary-strong-rgb), 0.85), rgba(var(--color-secondary-bright-rgb), 0.78));
  box-shadow: 0 16px 30px rgba(var(--color-primary-rgb), 0.35);
}

body.theme-dark .post-chip-category {
  background: rgba(var(--color-primary-strong-rgb), 0.35);
  border-color: rgba(var(--color-primary-strong-rgb), 0.45);
  color: #e0e7ff;
}

body.theme-dark .post-chip-category:hover {
  background: rgba(var(--color-primary-rgb), 0.5);
  box-shadow: 0 16px 32px rgba(var(--color-primary-rgb), 0.4);
}

body.theme-dark .filter-modal-dialog {
  background: rgba(var(--color-navbar-dark-end-rgb), 0.92);
  border-color: rgba(var(--color-primary-strong-rgb), 0.35);
  box-shadow: 0 32px 62px rgba(var(--color-navbar-dark-start-rgb), 0.65);
}

body.theme-dark .filter-modal-header {
  border-color: rgba(var(--color-primary-strong-rgb), 0.25);
}

body.theme-dark .filter-modal-close {
  border-color: rgba(var(--color-primary-strong-rgb), 0.4);
  background: rgba(var(--color-primary-strong-rgb), 0.25);
  color: rgba(226, 232, 240, 0.88);
}

body.theme-dark .filter-modal-close:hover {
  background: rgba(var(--color-primary-rgb), 0.35);
  color: #f8fafc;
  border-color: rgba(var(--color-primary-strong-rgb), 0.55);
}

body.theme-dark .filter-modal-results .post-card {
  box-shadow: 0 24px 44px rgba(var(--color-navbar-dark-start-rgb), 0.6);
}

body.theme-dark .empty-state {
  background: rgba(var(--color-navbar-dark-end-rgb), 0.65);
  border-color: rgba(var(--color-primary-strong-rgb), 0.35);
  color: rgba(203, 213, 225, 0.85);
}

body.theme-dark .theme-toggle {
  border-color: rgba(var(--color-primary-strong-rgb), 0.4);
  background: rgba(var(--color-primary-strong-rgb), 0.32);
  color: #f8fafc;
}

body.theme-dark .theme-toggle:hover {
  background: rgba(var(--color-secondary-alt-rgb), 0.35);
  border-color: rgba(var(--color-primary-strong-rgb), 0.55);
}

body.theme-dark .nav-dropdown-toggle {
  color: rgba(226, 232, 240, 0.88);
}

body.theme-dark .nav-dropdown-toggle:hover,
body.theme-dark .nav-dropdown-toggle[aria-expanded="true"] {
  background: rgba(var(--color-primary-rgb), 0.35);
  border-color: rgba(var(--color-primary-strong-rgb), 0.55);
  color: #f8fafc;
}

body.theme-dark .nav-dropdown-menu {
  background: rgba(var(--color-navbar-dark-end-rgb), 0.92);
  border-color: rgba(var(--color-primary-rgb), 0.25);
}

body.theme-dark .nav-dropdown-item {
  color: rgba(226, 232, 240, 0.85);
}

body.theme-dark .nav-dropdown-item:hover,
body.theme-dark .nav-dropdown-item.active {
  background: rgba(var(--color-primary-rgb), 0.35);
  color: #f8fafc;
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  color: rgba(226, 232, 240, 0.82);
  font-weight: 500;
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate),
    transform var(--motion-duration-medium) var(--motion-ease-decelerate),
    border-color var(--motion-duration-short) var(--motion-ease-standard);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
}

.nav-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.35), rgba(var(--color-secondary-rgb), 0.18));
  opacity: 0;
  transition: opacity var(--motion-duration-medium) var(--motion-ease-standard);
}

.nav-item:hover::before {
  opacity: 1;
}

.nav-item:hover {
  color: #f8fafc;
  box-shadow: 0 10px 25px rgba(var(--color-primary-rgb), 0.25);
  transform: translateY(-2px);
}

.nav-item.active {
  color: #ffffff;
  background: rgba(var(--color-primary-rgb), 0.18);
  border-color: rgba(var(--color-primary-rgb), 0.35);
  box-shadow: 0 12px 30px rgba(var(--color-primary-rgb), 0.22);
}

.nav-item.active::before {
  opacity: 0;
}

.nav-item-special {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: white;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(var(--color-secondary-rgb), 0.35);
  border-color: rgba(var(--color-secondary-rgb), 0.35);
}

.nav-item-special:hover {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(var(--color-primary-rgb), 0.4);
}

.nav-dropdown {
  position: relative;
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.nav-dropdown::before,
.nav-dropdown:hover::before {
  display: none;
}

.nav-dropdown:hover {
  transform: none;
  box-shadow: none;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 1.3rem;
  border-radius: 999px;
  color: rgba(226, 232, 240, 0.82);
  font-weight: 500;
  cursor: pointer;
  position: relative;
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    background var(--motion-duration-short) var(--motion-ease-standard),
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate),
    transform var(--motion-duration-medium) var(--motion-ease-decelerate);
  z-index: 1;
}

.nav-dropdown-toggle:hover,
.nav-dropdown-toggle[aria-expanded="true"] {
  background: rgba(var(--color-primary-rgb), 0.18);
  border-color: rgba(var(--color-primary-rgb), 0.35);
  color: var(--color-primary-strong);
  box-shadow: 0 12px 26px rgba(var(--color-primary-rgb), 0.2);
}

.nav-dropdown-icon {
  font-size: 0.7rem;
  transform: translateY(1px);
}

.nav-dropdown-menu {
  position: absolute;
  top: 110%;
  right: 0;
  min-width: 12rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.75rem;
  background: rgba(15, 23, 42, 0.9);
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.22);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
  z-index: 30;
}

.navbar-mobile-panel {
  display: none;
}

.navbar-mobile-actions {
  display: none;
}

.nav-mobile-rss {
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-mobile-rss:hover {
  color: var(--color-primary-strong);
}

.nav-dropdown-item {
  display: block;
  padding: 0.55rem 0.8rem;
  border-radius: 0.75rem;
  text-decoration: none;
  color: rgba(226, 232, 240, 0.82);
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    background var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate);
}

.nav-dropdown-item:hover,
.nav-dropdown-item.active {
  background: rgba(var(--color-primary-rgb), 0.18);
  color: var(--color-primary-strong);
}

.nav-text {
  position: relative;
  z-index: 1;
  font-size: 0.95rem;
  white-space: nowrap;
}

/* 移动端汉堡菜单 */
.navbar-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 2.25rem;
  height: 2.25rem;
  background: rgba(148, 163, 184, 0.12);
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 0.75rem;
  cursor: pointer;
  padding: 0.4rem;
  z-index: 10;
  transition:
    background var(--motion-duration-short) var(--motion-ease-standard),
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate);
  margin-left: 0.6rem;
}

.navbar-toggle:hover {
  background: rgba(var(--color-primary-rgb), 0.15);
  border-color: rgba(var(--color-primary-rgb), 0.35);
}

.navbar-toggle span {
  width: 100%;
  height: 0.15rem;
  background: #e2e8f0;
  border-radius: 10px;
  transition:
    transform var(--motion-duration-medium) var(--motion-ease-standard),
    opacity var(--motion-duration-short) var(--motion-ease-standard);
  transform-origin: 1px;
}

.navbar-toggle.open span:first-child {
  transform: rotate(45deg) translate(2px, 1px);
}

.navbar-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: translateX(12px);
}

.navbar-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -2px);
}

/* 列表与卡片 */
.post-list {
  max-width: 56rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

@media (min-width: 1280px) {
  .post-list--home.post-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.5rem;
    max-width: 1100px;
  }

  .post-list--home .post-card {
    height: 100%;
  }

  .post-list--home > .post-card:first-child {
    grid-column: 1 / -1;
  }

  .post-list--home > .post-card:first-child .post-image {
    height: 20rem;
  }
}

.post-card {
  background: var(--color-surface);
  border-radius: 1.25rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 25px 45px var(--color-shadow);
  overflow: hidden;
  transition:
    transform var(--motion-duration-medium) var(--motion-ease-decelerate),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate),
    border-color var(--motion-duration-short) var(--motion-ease-standard);
}

.post-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 35px 65px var(--color-shadow-strong);
  border-color: var(--color-border-strong);
}

.post-image {
  width: 100%;
  height: 16rem;
  object-fit: cover;
  border-radius: 1.1rem 1.1rem 0 0;
}

.progressive-media {
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  filter: saturate(0.9);
  transition:
    opacity var(--motion-duration-long) var(--motion-ease-decelerate),
    transform var(--motion-duration-long) var(--motion-ease-decelerate),
    filter var(--motion-duration-medium) var(--motion-ease-standard);
  will-change: opacity, transform;
}

.progressive-media.is-loaded {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: saturate(1);
}

.post-content-area {
  padding: 1.75rem;
}

.post-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1rem;
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: color var(--motion-duration-short) var(--motion-ease-standard);
}

.post-title:hover {
  color: var(--color-primary-strong);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  justify-content: space-between;
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.post-date {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.post-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.post-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  text-decoration: none;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: #fff;
  box-shadow: 0 10px 20px rgba(var(--color-primary-rgb), 0.25);
  transition:
    transform var(--motion-duration-medium) var(--motion-ease-decelerate),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate);
}

.post-chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(var(--color-primary-rgb), 0.35);
}

.post-chip-category {
  background: rgba(var(--color-primary-rgb), 0.18);
  color: var(--color-primary-strong);
  box-shadow: none;
  border: 1px solid rgba(var(--color-primary-rgb), 0.25);
}

.post-chip-category:hover {
  background: rgba(var(--color-primary-rgb), 0.28);
  box-shadow: 0 10px 22px rgba(var(--color-primary-rgb), 0.22);
}

.post-excerpt {
  color: var(--color-muted-strong);
  line-height: 1.75;
  padding-top: 0;
  margin-top: 1rem;
}

/* 文章详情页 */
.article-container {
  max-width: 58rem;
  margin: 0 auto;
  background: var(--color-surface-strong);
  border-radius: 1.5rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 35px 60px var(--color-shadow);
  overflow: hidden;
  margin-bottom: 3rem;
}

.article-header {
  --article-header-padding-x: 2.25rem;
  padding: 2.5rem var(--article-header-padding-x) 2rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.12), rgba(var(--color-secondary-rgb), 0.08));
}

.article-container.has-cover .article-header {
  padding-bottom: 0;
}

body.theme-dark .article-header {
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.24), rgba(14, 116, 144, 0.18));
}

body.theme-dark .article-recommendations {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.45), transparent 45%);
  border-color: rgba(var(--color-primary-rgb), 0.28);
}

.article-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.article-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  color: var(--color-muted);
  padding-bottom: 1.6rem;
}

.article-container.has-cover .article-meta {
  padding-bottom: 1.1rem;
}

.article-meta-date {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.article-meta-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.article-container.has-cover .article-meta {
  padding-bottom: 1.25rem;
}

.article-cover {
  margin: 2rem calc(var(--article-header-padding-x) * -1) 0;
  height: clamp(18rem, 45vh, 26rem);
  overflow: hidden;
  border-radius: 0;
}

.article-container.has-cover .article-cover {
  margin-bottom: 0;
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  box-shadow: none;
}

.article-content {
  padding: 2.25rem;
  line-height: 1.85;
  color: var(--color-muted-strong);
  font-size: 1.05rem;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.article-container.has-cover .article-content {
  padding-top: 0;
}

.article-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 2.5rem 0 1.2rem 0;
  border-left: 5px solid var(--color-primary);
  padding-left: 1rem;
  background: linear-gradient(135deg, var(--color-primary-soft), transparent);
  border-radius: 0 0.75rem 0.75rem 0;
}

.article-content h3 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 2rem 0 0.8rem 0;
}

.article-content p {
  margin: 1.25rem 0;
}

/* 正文图片：圆角与自适应 */
.article-content img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 1rem;
  /* box-shadow: 0 24px 60px rgba(15, 23, 42, 0.15); */
  margin: 2rem auto;
}

.article-recommendations {
  padding: 1rem 2.25rem 2.75rem;
  border-top: 1px solid rgba(148, 163, 184, 0.22);
  background: linear-gradient(180deg, rgba(var(--color-primary-rgb), 0.08), transparent 45%);
  margin-top: 2.5rem;
}

.recommendations-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 1.5rem 0;
}

.recommendations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 1.5rem;
}

.recommendation-card {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 1.2rem;
  overflow: hidden;
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.15);
  transition:
    transform var(--motion-duration-medium) var(--motion-ease-decelerate),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.recommendation-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(var(--color-primary-rgb), 0.2);
}

.recommendation-media img {
  width: 100%;
  height: 11rem;
  object-fit: cover;
  display: block;
}

.recommendation-content {
  padding: 1.1rem 1.25rem 1.4rem;
}

.recommendation-content h3 {
  margin: 0 0 0.75rem 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.recommendation-content h3 a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--motion-duration-short) var(--motion-ease-standard);
}

.recommendation-content h3 a:hover {
  color: var(--color-primary-strong);
}

.recommendation-meta {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* 列表页 */
.listing-hero {
  margin-bottom: 2.5rem;
  margin-left: auto;
  margin-right: auto;
  max-width: 56rem;
  padding: 2.25rem 2rem;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.16), rgba(var(--color-secondary-rgb), 0.12));
  border: 1px solid rgba(var(--color-primary-rgb), 0.28);
  border-radius: 1.5rem;
  box-shadow: 0 25px 45px rgba(15, 23, 42, 0.18);
  text-align: center;
}

.listing-hero-with-image {
  position: relative;
  color: #f8fafc;
  background: rgba(15, 23, 42, 0.6);
  overflow: hidden;
}

.listing-hero-with-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--listing-hero-bg);
  background-size: cover;
  background-position: center;
  opacity: 0.6;
}

.listing-hero-with-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.2), rgba(15, 23, 42, 0.55));
}

.listing-hero-with-image > * {
  position: relative;
}

.listing-hero-with-image .listing-badge {
  background: rgba(15, 23, 42, 0.45);
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.listing-hero-with-image .listing-description {
  color: rgba(248, 250, 252, 0.85);
}

.listing-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
  color: var(--color-primary-strong);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.listing-title {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin: 0 0 1rem 0;
  color: var(--color-text);
}

.listing-description {
  max-width: 40rem;
  margin: 0 auto;
  color: var(--color-muted);
  font-size: 1rem;
}

body.theme-dark .listing-hero {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.55), rgba(14, 116, 144, 0.28));
  border-color: rgba(var(--color-primary-rgb), 0.35);
  box-shadow: 0 30px 55px rgba(var(--color-navbar-dark-start-rgb), 0.6);
}

body.theme-dark .listing-badge {
  background: rgba(var(--color-navbar-dark-end-rgb), 0.65);
  color: rgba(226, 232, 240, 0.92);
}

body.theme-dark .listing-description {
  color: rgba(203, 213, 225, 0.82);
}

body.theme-dark .listing-hero-with-image {
  background: rgba(var(--color-navbar-dark-start-rgb), 0.72);
}

body.theme-dark .listing-hero-with-image::after {
  background: linear-gradient(180deg, rgba(2, 6, 23, 0.35), rgba(2, 6, 23, 0.7));
}

body.theme-dark .listing-hero-with-image .listing-badge {
  background: rgba(var(--color-navbar-dark-start-rgb), 0.5);
  border-color: rgba(148, 163, 184, 0.35);
  color: #e0e7ff;
}

body.theme-dark .listing-hero-with-image .listing-description {
  color: rgba(226, 232, 240, 0.86);
}

body.theme-dark .recommendation-card {
  background: rgba(15, 23, 42, 0.75);
  border-color: rgba(var(--color-primary-rgb), 0.25);
  box-shadow: 0 20px 40px rgba(var(--color-navbar-dark-start-rgb), 0.6);
}

body.theme-dark .recommendation-content h3 a {
  color: rgba(226, 232, 240, 0.95);
}

body.theme-dark .recommendation-content h3 a:hover {
  color: #c7d2fe;
}

body.theme-dark .recommendation-meta {
  color: rgba(148, 163, 184, 0.85);
}

img.placeholder {
  object-fit: cover;
  background: rgba(226, 232, 240, 0.3);
}

/* 列表样式 */
.article-content ul {
  margin: 1.25rem 0;
  padding-left: 0;
  list-style: none;
}

.article-content li {
  position: relative;
  margin: 0.6rem 0;
  padding-left: 1.5rem;
  line-height: 1.75;
}

.article-content li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9em;
  transform: translateY(-50%);
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 9999px;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.18);
}

.article-content li ul {
  margin-top: 0.3rem;
  margin-left: 0.5rem;
}

.article-content li ul li::before {
  width: 0.35rem;
  height: 0.35rem;
  background: rgba(var(--color-secondary-rgb), 0.9);
  box-shadow: none;
}

.article-content blockquote {
  background: rgba(var(--color-primary-rgb), 0.08);
  border-left: 5px solid var(--color-primary-strong);
  margin: 2rem 0;
  padding: 1.25rem 1.75rem;
  font-style: italic;
  color: #1e293b;
  border-radius: 0 1rem 1rem 0;
  box-shadow: inset 0 0 0 1px rgba(var(--color-primary-rgb), 0.08);
}

body.theme-dark .article-content blockquote {
  background: rgba(var(--color-primary-strong-rgb), 0.25);
  color: #e2e8f0;
  box-shadow: inset 0 0 0 1px rgba(var(--color-primary-strong-rgb), 0.28);
}

.article-content code {
  background: #c5c5c530;
  color: #24292e;
  padding: 0.2rem 0.45rem;
  border-radius: 0.45rem;
  border: 0;
  font-size: 0.9rem;
}

/* 代码块 */
.code-block {
  position: relative;
  margin: 1.5rem 0;
}

.copy-code-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
  line-height: 1;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--color-muted-strong);
  border: 1px solid rgba(148, 163, 184, 0.45);
  cursor: pointer;
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    background var(--motion-duration-short) var(--motion-ease-standard),
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate);
  opacity: 0;
  pointer-events: none;
}

.code-block:hover .copy-code-btn {
  opacity: 1;
  pointer-events: auto;
}

.copy-code-btn:hover {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  border-color: transparent;
  color: white;
  box-shadow: 0 10px 25px rgba(var(--color-primary-rgb), 0.3);
}

.copy-code-btn.copied {
  background: rgba(16, 185, 129, 0.95);
  border-color: rgba(16, 185, 129, 0.6);
  color: white;
}

body.theme-dark .copy-code-btn {
  background: rgba(15, 23, 42, 0.85);
  color: rgba(226, 232, 240, 0.9);
  border: 1px solid rgba(var(--color-primary-strong-rgb), 0.35);
}

body.theme-dark .copy-code-btn:hover {
  background: linear-gradient(135deg, rgba(var(--color-secondary-rgb), 0.85), rgba(var(--color-primary-rgb), 0.85));
  color: white;
  border-color: transparent;
}

body.theme-dark .article-content code {
  color: #e6edf3;
  border-color: #30363d;
}

.code-block pre {
  background: #f6f8fa;
  color: #24292e;
  padding: 1.15rem 1.4rem;
  border-radius: 0.9rem;
  overflow-x: auto;
  box-shadow: none;
  margin: 0;
}

.article-content pre code.hljs,
.code-block pre code.hljs {
  display: block;
  padding: 0;
  background: transparent;
}

body.theme-dark .code-block pre {
  background: #0d1117;
  color: #e6edf3;
  border-color: #30363d;
  box-shadow: none;
}

body.theme-modern .hljs-comment,
body.theme-modern .hljs-quote {
  color: rgba(148, 163, 184, 0.78) !important;
  font-style: italic;
}

body.theme-dark .hljs-comment,
body.theme-dark .hljs-quote {
  color: rgba(203, 213, 225, 0.68) !important;
}

/* 表格 */
.article-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 1rem;
  overflow: hidden;
  margin: 2rem 0;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.article-content table th,
.article-content table td {
  padding: 0.95rem 1.1rem;
  text-align: left;
  border-right: 1px solid rgba(148, 163, 184, 0.25);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.article-content table th {
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.18), rgba(var(--color-secondary-rgb), 0.2));
  color: var(--color-text);
  font-weight: 600;
}

.article-content table tr:last-child th,
.article-content table tr:last-child td {
  border-bottom: none;
}

.article-content table th:last-child,
.article-content table td:last-child {
  border-right: none;
}

body.theme-dark .article-content table {
  background: rgba(var(--color-navbar-dark-end-rgb), 0.78);
  border: 1px solid rgba(var(--color-primary-strong-rgb), 0.32);
  box-shadow: 0 22px 48px rgba(var(--color-navbar-dark-start-rgb), 0.55);
}

body.theme-dark .article-content table th,
body.theme-dark .article-content table td {
  border-color: rgba(var(--color-primary-strong-rgb), 0.28);
  color: rgba(226, 232, 240, 0.9);
}

body.theme-dark .article-content table th {
  background: linear-gradient(135deg, rgba(var(--color-navbar-dark-start-rgb), 0.85), rgba(var(--color-primary-rgb), 0.45));
  color: #f8fafc;
}

body.theme-dark .article-content table tbody tr:nth-child(even) td {
  background: rgba(15, 23, 42, 0.55);
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.65rem;
  margin-top: 3.2rem;
}

.pagination-item {
  padding: 0.55rem 1.1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  text-decoration: none;
  color: var(--color-muted-strong);
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    background var(--motion-duration-short) var(--motion-ease-standard),
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate),
    transform var(--motion-duration-medium) var(--motion-ease-decelerate);
  box-shadow: 0 12px 20px rgba(15, 23, 42, 0.06);
}

.pagination-item:hover {
  color: var(--color-primary-strong);
  border-color: var(--color-border-strong);
  box-shadow: 0 18px 32px rgba(var(--color-primary-rgb), 0.2);
  transform: translateY(-2px);
}

.pagination-current {
  padding: 0.55rem 1.1rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  border-radius: 0.75rem;
  box-shadow: 0 18px 35px rgba(var(--color-primary-rgb), 0.25);
}

/* 页脚 */
.footer {
  position: relative;
  background: radial-gradient(circle at 20% 0%, rgba(var(--color-primary-strong-rgb), 0.15), transparent 55%),
              radial-gradient(circle at 80% -20%, rgba(var(--color-secondary-alt-rgb), 0.18), transparent 55%),
              linear-gradient(160deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.85));
  color: rgba(226, 232, 240, 0.92);
  padding: 3rem 0;
  margin-top: auto;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 -30px 45px rgba(15, 23, 42, 0.25);
  overflow: hidden;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 88%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.45), transparent);
  transform: translateX(-50%);
  opacity: 0.6;
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-inner.footer-centered {
  justify-content: center;
}

.footer-inner.footer-centered .footer-meta {
  align-items: center;
  text-align: center;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links-row {
  flex-basis: 100%;
  display: flex;
  justify-content: start;
  gap: 1.15rem;
  flex-wrap: wrap;
}

.footer-link-chip {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(var(--color-primary-strong-rgb), 0.25);
  background: rgba(var(--color-primary-rgb), 0.12);
  color: rgba(226, 232, 240, 0.92);
  text-decoration: none;
  font-size: 0.92rem;
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    background var(--motion-duration-short) var(--motion-ease-standard),
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate),
    transform var(--motion-duration-medium) var(--motion-ease-decelerate);
  box-shadow: 0 16px 32px rgba(var(--color-navbar-light-start-rgb), 0.16);
}

.footer-link-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(var(--color-primary-strong-rgb), 0.5);
  background: rgba(var(--color-secondary-alt-rgb), 0.32);
  color: #f8fafc;
}

.footer-link-label {
  font-weight: 600;
}

.footer-link-desc {
  font-size: 0.82rem;
  opacity: 0.85;
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.16);
  color: rgba(226, 232, 240, 0.9);
  box-shadow: 0 18px 32px rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(148, 163, 184, 0.2);
  transition:
    color var(--motion-duration-short) var(--motion-ease-standard),
    background var(--motion-duration-short) var(--motion-ease-standard),
    border-color var(--motion-duration-short) var(--motion-ease-standard),
    box-shadow var(--motion-duration-medium) var(--motion-ease-decelerate),
    transform var(--motion-duration-medium) var(--motion-ease-decelerate);
}

.footer-social-link:hover {
  transform: translateY(-3px);
  background: rgba(var(--color-primary-rgb), 0.4);
  color: #fff;
  border-color: rgba(var(--color-primary-rgb), 0.65);
  box-shadow: 0 24px 38px rgba(var(--color-primary-rgb), 0.35);
}

.footer-social-icon svg {
  width: 1.35rem;
  height: 1.35rem;
  display: block;
}

.footer-social-fallback {
  font-size: 1rem;
  font-weight: 600;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
  text-align: right;
  color: rgba(226, 232, 240, 0.82);
}

.footer-copy {
  font-weight: 500;
}

.footer-icp,
.footer-note {
  font-size: 0.9rem;
  color: rgba(148, 163, 184, 0.85);
}

.footer-icp a {
  color: rgba(148, 163, 184, 0.85);
  text-decoration: none;
  transition: color var(--motion-duration-short) var(--motion-ease-standard);
}

.footer-icp a:hover {
  color: rgba(var(--color-primary-strong-rgb), 0.95);
}

.footer-note {
  color: rgba(203, 213, 225, 0.82);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .navbar-container {
    padding: 0 1.25rem;
  }

  .post-card {
    border-radius: 1.1rem;
  }

  .article-container {
    margin: 0 1.25rem 3rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.75rem;
  }

  .footer-meta {
    align-items: center;
    text-align: center;
  }

  .footer-links-row {
    margin-bottom: 1.25rem;
    gap: 0.9rem;
  }
}

@media (max-width: 768px) {
  .navbar-container {
    padding: 0 1rem;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-right {
    gap: 0.5rem;
  }

  .navbar-actions {
    display: none;
  }

  .navbar-languages {
    margin-left: 0.5rem;
    gap: 0.4rem;
  }

  .theme-toggle,
  .nav-icon-button {
    width: 2.25rem;
    height: 2.25rem;
  }

  .nav-icon-button svg {
    width: 1rem;
    height: 1rem;
  }

  .navbar-logo {
    font-size: 1.35rem;
  }

  .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .post-chips {
    justify-content: flex-start;
  }

  .filter-toggle-area {
    justify-content: flex-start;
  }

  .tag-filter {
    gap: 0.45rem;
  }

  .tag-filter-btn {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }

  .filter-modal-dialog {
    width: min(520px, 100%);
  }

  .filter-modal-header {
    padding: 1.25rem 1.35rem 0.9rem;
  }

  .filter-modal-body {
    padding: 1rem 1.35rem 1.5rem;
  }

  .navbar-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 100%);
    height: 100vh;
    background: linear-gradient(155deg, rgba(15, 23, 42, 0.98), rgba(30, 41, 59, 0.92));
    border-left: 1px solid rgba(var(--color-primary-rgb), 0.25);
    transition: transform var(--motion-duration-medium) var(--motion-ease-decelerate);
    padding-top: 3.5rem;
    box-shadow: -20px 0 45px rgba(15, 23, 42, 0.35);
    transform: translateX(100%);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .navbar-menu.open {
    transform: translateX(0);
  }

  .navbar-mobile-panel {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: 1.15rem 1.6rem 0.85rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
    margin-bottom: 0.9rem;
  }

  .navbar-mobile-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .navbar-mobile-actions .nav-icon-button,
  .navbar-mobile-actions .theme-toggle {
    width: 100%;
    height: 2.65rem;
    border-radius: 0.9rem;
    border: 1px solid rgba(148, 163, 184, 0.25);
    background: rgba(148, 163, 184, 0.12);
    box-shadow: none;
  }

  .navbar-mobile-actions .nav-icon-button svg {
    width: 1.1rem;
    height: 1.1rem;
  }

  .navbar-mobile-actions .nav-icon-button span[aria-hidden="true"] {
    font-size: 0.82rem;
    letter-spacing: 0.14em;
  }

  .navbar-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding: 0.75rem 1.6rem 2.2rem;
  }

  .nav-item {
    width: 100%;
    justify-content: flex-start;
    padding: 0.75rem 1rem;
    border-radius: 0.85rem;
    font-size: 0.98rem;
    background: rgba(148, 163, 184, 0.12);
    border: 1px solid rgba(148, 163, 184, 0.28);
    box-shadow: none;
  }

  .nav-item::before {
    display: none;
  }

  .nav-item:hover {
    transform: none;
    background: rgba(var(--color-primary-rgb), 0.2);
    border-color: rgba(var(--color-primary-strong-rgb), 0.35);
    box-shadow: none;
  }

  .nav-item.active {
    background: rgba(var(--color-primary-rgb), 0.28);
    border-color: rgba(var(--color-primary-strong-rgb), 0.45);
    box-shadow: none;
  }

  .nav-item-special {
    display: none;
  }

  .nav-dropdown {
    width: 100%;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
  }

  .nav-dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-radius: 0.85rem;
    border: 1px solid rgba(148, 163, 184, 0.28);
    background: rgba(148, 163, 184, 0.12);
    box-shadow: none;
    color: rgba(226, 232, 240, 0.92);
  }

  .nav-dropdown-toggle:hover,
  .nav-dropdown-toggle[aria-expanded="true"] {
    background: rgba(var(--color-primary-rgb), 0.2);
    border-color: rgba(var(--color-primary-strong-rgb), 0.45);
    color: #f8fafc;
    box-shadow: none;
  }

  .nav-dropdown-menu {
    position: static;
    width: 100%;
    margin-top: 0;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(var(--color-primary-strong-rgb), 0.35);
    box-shadow: none;
    padding: 0;
    border-radius: 0.75rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    border-width: 0;
    transition:
      max-height var(--motion-duration-medium) var(--motion-ease-standard),
      opacity var(--motion-duration-medium) var(--motion-ease-standard),
      padding var(--motion-duration-short) var(--motion-ease-standard),
      border-width var(--motion-duration-short) var(--motion-ease-standard),
      margin-top var(--motion-duration-short) var(--motion-ease-standard);
  }

  .nav-dropdown-menu.is-open {
    margin-top: 0.55rem;
    padding: 0.55rem 0.65rem;
    opacity: 1;
    max-height: 420px;
    border-width: 1px;
  }

  .nav-dropdown-item {
    padding: 0.55rem 0.6rem;
    border-radius: 0.6rem;
  }

  .nav-text {
    font-size: 0.96rem;
  }

  .post-card {
    margin: 0 0.5rem;
  }

  .post-image {
    height: 14rem;
  }

  .post-content-area {
    padding: 1.3rem;
  }

  .post-title {
    font-size: 1.5rem;
  }

  .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .article-container {
    margin: 0 auto 3rem;
    width: min(100%, 640px);
  }

  .article-header {
    --article-header-padding-x: 1rem;
    padding: 1.35rem var(--article-header-padding-x) 1.15rem;
  }

  .article-title {
    font-size: 1.6rem;
    line-height: 1.2;
  }

  .article-content {
    padding: 1.3rem 1rem;
    font-size: 1rem;
  }

  .article-cover {
    height: 18rem;
    margin-top: 1.5rem;
    margin-left: calc(var(--article-header-padding-x) * -1);
    margin-right: calc(var(--article-header-padding-x) * -1);
  }

  .article-container {
    border-radius: 1.25rem;
    box-shadow: 0 20px 48px rgba(15, 23, 42, 0.28);
  }

  .article-header {
    text-align: center;
  }

  .article-meta {
    gap: 0.65rem;
    text-align: left;
  }

  .article-meta-date {
    justify-content: flex-start;
    text-align: left;
    gap: 0.4rem;
    font-size: 0.9rem;
  }

  .article-meta-chips {
    justify-content: flex-start;
    gap: 0.35rem;
  }

  .article-meta-chips .post-chip {
    font-size: 0.75rem;
    padding: 0.32rem 0.75rem;
  }

  .footer-links-row {
    width: 100%;
    justify-content: center;
    gap: 0.75rem;
  }

  .footer-social {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 0.55rem 0;
  }

  .navbar-container {
    padding: 0 0.75rem;
  }

  .navbar-logo {
    font-size: 1.2rem;
  }

  .theme-toggle,
  .nav-icon-button {
    width: 2.1rem;
    height: 2.1rem;
  }

  .nav-icon-button svg {
    width: 0.95rem;
    height: 0.95rem;
  }

  .navbar-mobile-panel {
    padding: 1rem 1.25rem 0.75rem;
    margin-bottom: 0.65rem;
  }

  .navbar-mobile-actions {
    gap: 0.65rem;
  }

  .navbar-nav {
    padding: 0.6rem 1.25rem 1.8rem;
    gap: 0.65rem;
  }

  .nav-item,
  .nav-dropdown-toggle {
    padding: 0.65rem 0.85rem;
    border-radius: 0.75rem;
  }

  .nav-dropdown-menu {
    margin-top: 0.5rem;
    padding: 0.45rem 0.55rem;
  }

  .navbar-menu {
    width: 100%;
  }

  .navbar-actions {
    margin-left: 0.25rem;
  }

  .filter-modal {
    padding: 1.5rem 0.75rem;
  }

  .filter-modal-dialog {
    width: calc(100% - 1.5rem);
  }

  .filter-modal-body {
    padding: 0.9rem 1.1rem 1.35rem;
  }

  .post-card {
    margin: 0;
    border-radius: 1rem;
  }

  .post-image {
    height: 12rem;
  }

  .article-header {
    --article-header-padding-x: 0.85rem;
    padding: 1.2rem var(--article-header-padding-x);
  }

  .article-container {
    margin-bottom: 2.5rem;
    border-radius: 1rem;
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.25);
  }

  .article-title {
    font-size: 1.45rem;
    line-height: 1.2;
    margin-bottom: 0.75rem;
  }

  .article-content {
    padding: 0.95rem 0.8rem 1.05rem;
    font-size: 0.96rem;
  }

  .article-content h2 {
    font-size: 1.35rem;
    line-height: 1.3;
    margin: 1.75rem 0 0.9rem 0;
  }

  .article-cover {
    height: 11.5rem;
    margin-top: 0.9rem;
    margin-left: calc(var(--article-header-padding-x) * -1);
    margin-right: calc(var(--article-header-padding-x) * -1);
  }

  .post-filters {
    padding: 1.1rem;
  }

  .article-meta {
    gap: 0.55rem;
    text-align: left;
  }

  .article-meta-date {
    font-size: 0.82rem;
    justify-content: flex-start;
  }

  .article-meta-chips .post-chip {
    font-size: 0.7rem;
    padding: 0.28rem 0.65rem;
  }
}