@import url("https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400&display=swap");

/* ============================================================
   凌兮实验室 · 设计系统 ——「Aurora Lab / 极光」
   深空底色 · 流动极光 · 全息渐变 · 玻璃拟态 · 克制辉光。
   高级、现代、有创意；性能与可读性优先。
   ============================================================ */

:root {
  /* 全息强调色（默认＝青霜 teal；其余见 [data-theme]，后台可一键换肤） */
  --accent: #22d3ee;        /* 主强调 · 青 */
  --accent-2: #7af0ff;      /* 高光 · 冰蓝 */
  --accent-3: #6e8bff;      /* 次强调 · 靛 */
  --accent-soft: rgba(34, 211, 238, 0.14);

  /* 深空底色（冷调近黑） */
  --bg: #06070f;
  --bg-soft: #0a0c18;
  --bg-elev: #0f1222;

  /* 玻璃面板 */
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --glass: rgba(13, 16, 30, 0.62);
  --glass-strong: rgba(12, 14, 26, 0.86);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.2);

  --text: #eef1fb;
  --text-dim: #b3b8d2;
  --text-faint: #888fae;

  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 11px;

  --shadow: 0 36px 90px -48px rgba(0, 0, 0, 0.92);
  --shadow-soft: 0 20px 50px -30px rgba(0, 0, 0, 0.8);

  --maxw: 1680px;
  --maxw-wide: 1760px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --font: "Sora", "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Fraunces", "Songti SC", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --on-accent: #04121a;     /* 强调色上的文字（深色） */
}

/* ---------- 主题预设：键名与后台「站点设置」一致，全站随之换肤 ---------- */
[data-theme="teal"]    { --accent: #22d3ee; --accent-2: #7af0ff; --accent-3: #6e8bff; --accent-soft: rgba(34, 211, 238, 0.14); --on-accent: #04121a; }
[data-theme="azure"]   { --accent: #3b82f6; --accent-2: #93c5fd; --accent-3: #22d3ee; --accent-soft: rgba(59, 130, 246, 0.16); --on-accent: #050b1c; }
[data-theme="emerald"] { --accent: #10b981; --accent-2: #6ee7b7; --accent-3: #22d3ee; --accent-soft: rgba(16, 185, 129, 0.16); --on-accent: #032018; }
[data-theme="amber"]   { --accent: #f59e0b; --accent-2: #fcd34d; --accent-3: #fb7185; --accent-soft: rgba(245, 158, 11, 0.16); --on-accent: #231405; }
[data-theme="rose"]    { --accent: #f43f5e; --accent-2: #fda4b8; --accent-3: #b06cff; --accent-soft: rgba(244, 63, 94, 0.16); --on-accent: #240810; }
[data-theme="violet"]  { --accent: #9d7bf0; --accent-2: #c8a8f6; --accent-3: #22d3ee; --accent-soft: rgba(157, 123, 240, 0.18); --on-accent: #120a26; }

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
::selection { background: var(--accent); color: var(--on-accent); }

/* 细滚动条 */
html { scrollbar-width: thin; scrollbar-color: color-mix(in srgb, var(--accent) 36%, transparent) transparent; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: color-mix(in srgb, var(--accent) 30%, transparent); border-radius: 9px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: color-mix(in srgb, var(--accent) 60%, transparent); background-clip: padding-box; }

/* ============================================================
   背景系统：流动极光 + 细网格 + 颗粒 + 光标辉光
   全部用伪元素，确保所有页面一致（含未带 .bg-fx 的首页）
   ============================================================ */
/* 旧版花哨元素统一关闭，避免页面间不一致 */
.bg-fx, .bg-fx .blob, .bg-grid, #hero-canvas { display: none !important; }

/* 极光层（缓慢流动） */
body::before {
  content: ""; position: fixed; inset: -25%; z-index: -3; pointer-events: none;
  background:
    radial-gradient(38vw 38vw at 18% 12%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 60%),
    radial-gradient(34vw 34vw at 84% 8%, color-mix(in srgb, var(--accent-3) 26%, transparent), transparent 62%),
    radial-gradient(40vw 40vw at 72% 88%, color-mix(in srgb, var(--accent-2) 20%, transparent), transparent 64%),
    radial-gradient(30vw 30vw at 10% 86%, color-mix(in srgb, var(--accent-3) 16%, transparent), transparent 64%);
  opacity: 0.5;
  filter: saturate(125%);
  animation: aurora 26s var(--ease) infinite alternate;
  will-change: transform;
}
@keyframes aurora {
  0%   { transform: translate3d(0, 0, 0) rotate(0deg) scale(1); }
  50%  { transform: translate3d(2.5%, -2%, 0) rotate(6deg) scale(1.12); }
  100% { transform: translate3d(-2%, 1.5%, 0) rotate(-5deg) scale(1.05); }
}

/* 细网格 + 顶部/边缘渐隐（静态、克制） */
body::after {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--text) 4%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--text) 4%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(130% 110% at 50% 0%, #000 12%, transparent 78%);
  mask-image: radial-gradient(130% 110% at 50% 0%, #000 12%, transparent 78%);
  opacity: 0.6;
}

.bg-noise {
  position: fixed; inset: 0; z-index: -1; opacity: 0.03; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* 光标辉光（layout.js 注入元素；触屏自动隐藏） */
.cursor-glow {
  position: fixed; top: 0; left: 0; width: 460px; height: 460px; z-index: -1;
  margin: -230px 0 0 -230px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent), transparent 62%);
  opacity: 0; mix-blend-mode: screen; transition: opacity 0.4s var(--ease);
  will-change: transform;
}
body.cg-on .cursor-glow { opacity: 0.7; }

/* ---------- 布局工具 ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 40px; position: relative; }
.container.wide { max-width: var(--maxw-wide); }
.section { padding: clamp(84px, 12vh, 156px) 0; position: relative; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--accent-2); font-weight: 700;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  background: var(--accent-soft);
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: currentColor; opacity: 0.7; }

.section-title {
  font-size: clamp(30px, 4.6vw, 60px);
  font-weight: 700; line-height: 1.05; letter-spacing: -0.03em;
  margin: 22px 0 16px;
}
.section-sub { color: var(--text-dim); max-width: 600px; font-size: 16px; }

/* 全息强调词 */
.gradient-text {
  background: linear-gradient(110deg, var(--accent-2), var(--accent) 38%, var(--accent-3) 72%, var(--accent-2));
  background-size: 220% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: holo 9s linear infinite;
}
@keyframes holo { to { background-position: 220% center; } }

/* ---------- 导航（玻璃拟态） ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.45s var(--ease), border-color 0.45s var(--ease), backdrop-filter 0.45s var(--ease);
}
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom-color: var(--border);
}
.nav-inner {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  max-width: var(--maxw-wide); margin: 0 auto; padding: 22px 40px;
  transition: padding 0.45s var(--ease);
}
.nav.scrolled .nav-inner { padding: 14px 40px; }
.brand { justify-self: start; display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: 0.01em; font-size: 16px; }
.brand .dot {
  width: 11px; height: 11px; border-radius: 50%;
  background: conic-gradient(from 140deg, var(--accent-2), var(--accent), var(--accent-3), var(--accent-2));
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 70%, transparent);
  animation: spin 6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.nav-links { justify-self: center; display: flex; align-items: center; gap: 2px; }
.nav-links a {
  position: relative; padding: 8px 16px; font-size: 14px; font-weight: 600; color: var(--text-dim);
  transition: color 0.3s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links > a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); transform: scaleX(0); transform-origin: left;
  opacity: 0; transition: transform 0.32s var(--ease), opacity 0.32s var(--ease);
}
.nav-links > a:not(.nav-cta):hover::after, .nav-links > a.active:not(.nav-cta)::after { transform: scaleX(1); opacity: 1; }
.nav-links a.active { color: var(--text); }
.nav-cta {
  margin-left: 8px; padding: 8px 18px !important;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); border-radius: 999px;
  font-family: var(--mono); font-size: 12.5px !important; font-weight: 700; letter-spacing: 0.04em; color: var(--accent-2) !important;
  background: var(--accent-soft);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav-cta:hover { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.nav-burger { justify-self: end; display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-burger span { width: 22px; height: 2px; border-radius: 2px; background: var(--text); transition: 0.3s; }

/* 账号菜单 */
.nav-account { position: relative; display: flex; align-items: center; gap: 10px; margin-left: 10px; }
.nav-acc-login { padding: 8px 12px; font-size: 14px; font-weight: 600; color: var(--text-dim); transition: color 0.3s var(--ease); }
.nav-acc-login:hover { color: var(--text); }
.nav-acc-reg {
  padding: 8px 16px; border-radius: 999px; font-size: 12.5px; font-family: var(--mono); font-weight: 700; letter-spacing: 0.04em;
  color: var(--accent-2); border: 1px solid color-mix(in srgb, var(--accent) 36%, transparent); background: var(--accent-soft);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav-acc-reg:hover { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.nav-user { display: inline-flex; align-items: center; gap: 9px; padding: 6px 12px 6px 6px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 14px; transition: border-color 0.3s var(--ease); }
.nav-user:hover { border-color: var(--accent); }
.nav-ava { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 13px;
  color: var(--on-accent); background: linear-gradient(135deg, var(--accent-2), var(--accent-3)); }
.nav-nick { max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-caret { font-size: 11px; color: var(--text-faint); }
.nav-menu { position: absolute; top: calc(100% + 12px); right: 0; min-width: 184px; padding: 8px;
  background: var(--glass-strong); border: 1px solid var(--border); border-radius: 14px; backdrop-filter: blur(18px);
  box-shadow: var(--shadow); display: none; flex-direction: column; gap: 2px; z-index: 120; }
.nav-menu.open { display: flex; animation: pop 0.22s var(--ease-spring); }
@keyframes pop { from { opacity: 0; transform: translateY(-8px) scale(0.97); } }
.nav-menu a { padding: 11px 14px; border-radius: 9px; font-size: 14px; color: var(--text-dim); transition: all 0.2s var(--ease); }
.nav-menu a:hover { background: var(--surface); color: var(--text); }
.nav-menu a#navLogout { color: #ff8a9c; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 28px; border-radius: 999px; font-weight: 600; font-size: 14.5px; letter-spacing: 0.01em;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease), border-color 0.35s var(--ease), color 0.35s var(--ease);
  position: relative; border: 1px solid transparent;
}
.btn-primary { background: linear-gradient(120deg, var(--accent), var(--accent-3)); color: var(--on-accent);
  box-shadow: 0 12px 34px -14px color-mix(in srgb, var(--accent) 80%, transparent); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 44px -14px color-mix(in srgb, var(--accent) 92%, transparent); filter: brightness(1.05); }
.btn-ghost { border-color: var(--border-strong); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-2); box-shadow: 0 0 0 4px var(--accent-soft); transform: translateY(-2px); }
.btn-danger { background: rgba(244, 63, 94, 0.12); color: #fb7185; border-color: rgba(244, 63, 94, 0.32); }
.btn-danger:hover { background: rgba(244, 63, 94, 0.2); border-color: rgba(244, 63, 94, 0.55); }
.btn-block { width: 100%; }
.btn .arrow { transition: transform 0.35s var(--ease); }
.btn:hover .arrow { transform: translate(3px, -3px); }
.btn-sm { padding: 9px 16px; font-size: 13px; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: 150px 0 110px; }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1fr) min(42%, 600px); gap: clamp(44px, 3.5vw, 64px); align-items: center; width: 100%; }
.hero-main { min-width: 0; }
.hero-kicker { font-family: var(--mono); font-size: 12.5px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 28px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.hero-kicker .hk-no { font-family: var(--mono); color: var(--accent); letter-spacing: 0; font-size: 13px; font-weight: 700; }
.hero-title { font-size: clamp(46px, 8vw, 130px); font-weight: 800; line-height: 0.99; letter-spacing: -0.04em; margin-bottom: 28px; }
.hero-desc { font-size: clamp(16px, 1.5vw, 19px); color: var(--text-dim); max-width: 600px; margin-bottom: 38px; line-height: 1.75; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero 右侧：交互式实时系统监控台（创意可交互元素） */
.hero-console { display: grid; justify-items: stretch; align-content: center; gap: 16px; }
.orbit-stage { transform: perspective(1100px) rotateX(var(--tiltX, 0deg)) rotateY(var(--tiltY, 0deg)); transform-style: preserve-3d; transition: transform 0.4s var(--ease); }

.hc-stage {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(165deg, var(--surface-2), transparent 75%), var(--glass);
  border: 1px solid var(--border-strong); box-shadow: var(--shadow); backdrop-filter: blur(18px);
}
.hc-stage::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 55%, transparent), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }

.hc-head { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.hc-dots { display: inline-flex; gap: 6px; }
.hc-dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--surface-2); }
.hc-dots i:nth-child(1) { background: #ff6b81; }
.hc-dots i:nth-child(2) { background: #ffcf6b; }
.hc-dots i:nth-child(3) { background: var(--accent); }
.hc-title { font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--text-dim); letter-spacing: 0.04em; }
.hc-live { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 10.5px; font-weight: 700; letter-spacing: 0.12em; color: var(--accent-2); }
.hc-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: blink 1.4s ease-in-out infinite; }
@keyframes blink { 50% { opacity: 0.25; } }

.hc-body { padding: 18px; display: flex; flex-direction: column; gap: 16px; }
.hc-rows { display: flex; flex-direction: column; gap: 4px; }
.hc-row { display: grid; grid-template-columns: 34px 1fr 1.05fr auto; align-items: center; gap: 12px; padding: 10px; border-radius: 12px; transition: background 0.3s var(--ease); }
.hc-row:hover { background: var(--surface); }
.hc-ic { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: var(--accent-2); border: 1px solid var(--border); background: var(--accent-soft); transition: transform 0.3s var(--ease-spring); }
.hc-row:hover .hc-ic { transform: translateY(-2px) scale(1.06); }
.hc-ic svg { width: 18px; height: 18px; }
.hc-name { font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; }
.hc-bar { height: 6px; border-radius: 6px; background: var(--surface-2); overflow: hidden; }
.hc-bar i { display: block; height: 100%; width: calc(var(--v, 80) * 1%); border-radius: 6px; position: relative;
  background: linear-gradient(90deg, var(--accent-3), var(--accent), var(--accent-2));
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 55%, transparent); transition: width 0.8s var(--ease); }
.hc-bar i::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent); transform: translateX(-100%); animation: barsweep 2.8s var(--ease) infinite; }
@keyframes barsweep { 60%, 100% { transform: translateX(220%); } }
.hc-val { font-family: var(--mono); font-size: 12.5px; font-weight: 700; color: var(--accent-2); text-align: right; min-width: 44px; font-variant-numeric: tabular-nums; }

.hc-wave { display: flex; align-items: flex-end; gap: 4px; height: 46px; padding: 0 2px; }
.hc-wave span { flex: 1; height: 100%; border-radius: 3px; transform-origin: bottom; transform: scaleY(0.3); opacity: 0.55;
  background: linear-gradient(180deg, var(--accent-2), var(--accent-3)); animation: eq 1.2s ease-in-out infinite alternate; animation-delay: calc(var(--i, 0) * -0.11s); }
@keyframes eq { 0% { transform: scaleY(0.16); opacity: 0.4; } 100% { transform: scaleY(1); opacity: 0.85; } }

.hc-stream { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11.5px; font-weight: 500; color: var(--text-dim); padding-top: 12px; border-top: 1px solid var(--border); overflow: hidden; white-space: nowrap; }
.hc-prompt { color: var(--accent); }
.hc-typed { overflow: hidden; text-overflow: ellipsis; transition: opacity 0.3s var(--ease); }
.hc-cursor { width: 7px; height: 14px; flex-shrink: 0; background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: blink 1s steps(1) infinite; }

.orbit-cap { font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-dim); justify-self: center; }
.orbit-cap .oc-no { color: var(--accent); font-size: 9px; vertical-align: middle; }

/* Hero 统计 */
.hero-stats { display: flex; gap: 0; margin-top: 60px; border-top: 1px solid var(--border); }
.hero-stats .stat { flex: 1; padding: 28px 28px 0; }
.hero-stats .stat + .stat { border-left: 1px solid var(--border); }
.hero-stats .stat .num { font-weight: 800; font-size: clamp(34px, 4vw, 56px); letter-spacing: -0.03em; line-height: 1;
  background: linear-gradient(120deg, var(--text), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-stats .stat .label { font-family: var(--mono); font-size: 11.5px; font-weight: 600; color: var(--text-dim); letter-spacing: 0.06em; margin-top: 12px; text-transform: uppercase; }

.hero-scroll { position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-dim); display: inline-flex; align-items: center; gap: 8px; transition: color 0.3s var(--ease); }
.hero-scroll:hover { color: var(--accent); }
.hero-scroll span { display: inline-block; animation: nudge 1.8s var(--ease) infinite; }
@keyframes nudge { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(4px); } }

.hero-visual, .hero-badge, .scroll-hint { display: none !important; }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 18px 0;
  background: linear-gradient(90deg, transparent, var(--surface), transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 46px; white-space: nowrap; animation: marquee 40s linear infinite; width: max-content; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--mono); font-size: 13px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); display: inline-flex; align-items: center; gap: 46px; }
.marquee-track span::after { content: "✦"; color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 区块头 ---------- */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 54px; flex-wrap: wrap; }
.sec-head .section-title { margin-bottom: 0; }
.sec-more { font-family: var(--mono); font-size: 12.5px; font-weight: 600; letter-spacing: 0.04em; color: var(--accent); border-bottom: 1px solid transparent; padding-bottom: 3px; transition: border-color 0.3s var(--ease); white-space: nowrap; }
.sec-more:hover { border-bottom-color: var(--accent); }
.more-row { display: flex; justify-content: center; margin-top: 54px; }

/* ---------- Works 作品网格 ---------- */
.works-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 46px; flex-wrap: wrap; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn {
  font-family: var(--mono); padding: 8px 16px; border-radius: 999px; font-size: 12.5px; font-weight: 600; letter-spacing: 0.04em; color: var(--text-dim);
  border: 1px solid var(--border); background: var(--surface); transition: all 0.3s var(--ease);
}
.filter-btn:hover { color: var(--text); border-color: var(--border-strong); }
.filter-btn.active { color: var(--on-accent); border-color: transparent; background: linear-gradient(120deg, var(--accent), var(--accent-3)); }

.works-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 22px; }
.work-card {
  grid-column: span 4; position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); background: var(--bg-soft); min-height: 340px;
  transition: border-color 0.45s var(--ease), transform 0.55s var(--ease), box-shadow 0.55s var(--ease); cursor: pointer; isolation: isolate;
}
.work-card.featured { grid-column: span 8; min-height: 448px; }
.work-card .cover { position: absolute; inset: 0; z-index: -1; transition: transform 0.8s var(--ease); }
.work-card .cover img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.3) brightness(0.78); transition: filter 0.6s var(--ease); }
.work-card:hover { border-color: color-mix(in srgb, var(--accent) 50%, transparent); transform: translateY(-6px); box-shadow: 0 30px 70px -36px color-mix(in srgb, var(--accent) 60%, transparent), var(--shadow); }
.work-card:hover .cover { transform: scale(1.06); }
.work-card:hover .cover img { filter: grayscale(0) brightness(0.9); }
.work-card .overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6, 7, 15, 0.05) 25%, rgba(6, 7, 15, 0.6) 62%, rgba(6, 7, 15, 0.96) 100%); }
.work-card .body { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; padding: 30px; }
.work-card .cat { font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 12px; }
.work-card h3 { font-size: 23px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 8px; }
.work-card.featured h3 { font-size: 32px; }
.work-card .desc { color: var(--text-dim); font-size: 14px; max-height: 0; opacity: 0; overflow: hidden; transition: all 0.5s var(--ease); }
.work-card:hover .desc { max-height: 80px; opacity: 1; margin-top: 4px; }
.work-card .tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.tag { font-family: var(--mono); font-size: 11px; font-weight: 500; padding: 4px 11px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-dim); background: var(--surface); }
.work-card .go {
  position: absolute; top: 24px; right: 24px; width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--border-strong); color: var(--text); backdrop-filter: blur(6px); background: var(--glass);
  display: grid; place-items: center; opacity: 0; transform: scale(0.8) rotate(-12deg); transition: all 0.4s var(--ease-spring);
}
.work-card:hover .go { opacity: 1; transform: scale(1) rotate(0); border-color: var(--accent); color: var(--accent-2); box-shadow: 0 0 0 4px var(--accent-soft); }

/* 首页网格按卡片数铺满整行 */
#homeWorks, #homePosts { grid-template-columns: repeat(var(--home-cols, 3), minmax(0, 1fr)); }
#homeWorks .work-card, #homeWorks .work-card.featured { grid-column: auto; min-height: 360px; }

/* 首页精选作品：滑动轮播 */
.sec-tools { display: flex; align-items: center; gap: 12px; }
.car-btn { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  display: grid; place-items: center; cursor: pointer;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease), opacity 0.3s var(--ease); }
.car-btn svg { width: 18px; height: 18px; }
.car-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); box-shadow: 0 0 0 4px var(--accent-soft); }
.car-btn:disabled { opacity: 0.4; cursor: default; color: var(--text-dim); }
.works-carousel { position: relative; }
.works-track { display: flex; gap: 22px; overflow-x: auto;
  padding: 6px 4px 18px; margin: 0 -4px; scrollbar-width: none; -ms-overflow-style: none; }
.works-track::-webkit-scrollbar { display: none; }
.works-track > .work-card { flex: 0 0 clamp(288px, 31%, 420px); }

/* 渐变占位封面 */
.cover-gradient { width: 100%; height: 100%; position: relative; }
.cover-gradient::after {
  content: ""; position: absolute; inset: 0; opacity: 0.18;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 72px; align-items: center; }
.about-card {
  position: relative; width: 100%; max-width: 440px; margin: 0 auto; aspect-ratio: 1;
}
/* 圆形头像本体（居中，留出外圈给科技环） */
.avatar-media {
  position: absolute; inset: 11%; z-index: 2; border-radius: 50%; overflow: hidden; box-shadow: var(--shadow);
}
.about-card img, .avatar-media .placeholder { width: 100%; height: 100%; border-radius: 50%; }
.about-card img { object-fit: cover; filter: grayscale(0.12) contrast(1.03); }
.avatar-media .placeholder { display: grid; place-items: center; font-family: var(--serif); font-style: italic; font-size: 96px; font-weight: 500; color: var(--accent); background: radial-gradient(120% 120% at 70% 10%, var(--accent-soft), transparent 60%); }
/* ====== 头像外圈特效 · 轨道粒子（多颗光点沿轨道环绕）====== */
.ring-fx { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.rfx { position: absolute; inset: 4%; border-radius: 50%; box-sizing: border-box; }
.rfx::before { content: ""; position: absolute; top: -5px; left: 50%; transform: translateX(-50%); border-radius: 50%; box-sizing: border-box; }
@keyframes spin-cw { to { transform: rotate(1turn); } }
@keyframes spin-ccw { to { transform: rotate(-1turn); } }
.about-card .r4 { border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent); }
.about-card .r4::before { content: none; }
.about-card .r1 { animation: spin-cw 6s linear infinite; }
.about-card .r2 { animation: spin-ccw 9s linear infinite; }
.about-card .r3 { animation: spin-cw 13s linear infinite; }
.about-card .r1::before { width: 11px; height: 11px; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.about-card .r2::before { width: 8px; height: 8px; background: var(--accent-2); box-shadow: 0 0 9px var(--accent-2); }
.about-card .r3::before { width: 6px; height: 6px; background: var(--accent-3); box-shadow: 0 0 8px var(--accent-3); }
@media (prefers-reduced-motion: reduce) { .r1, .r2, .r3 { animation: none !important; } }
.about-text h2 { margin-bottom: 24px; }
.about-text p { color: var(--text-dim); margin-bottom: 22px; font-size: 16px; line-height: 1.85; }
.about-skills { display: flex; flex-direction: column; gap: 20px; margin-top: 34px; }
.skill-row .skill-top { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 9px; color: var(--text-dim); }
.skill-row .skill-top span:last-child { font-family: var(--mono); color: var(--accent-2); }
.skill-bar { height: 4px; background: var(--surface-2); border-radius: 4px; overflow: hidden; }
.skill-fill { height: 100%; width: 0; border-radius: 4px; background: linear-gradient(90deg, var(--accent-3), var(--accent), var(--accent-2)); transition: width 1.5s var(--ease); box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 60%, transparent); }
.about-stats .stat:hover .num { color: var(--accent-2); }

/* ---------- Blog ---------- */
.posts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); gap: 22px; }
.post-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: linear-gradient(165deg, var(--surface-2), transparent 80%);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.4s var(--ease); display: flex; flex-direction: column; }
.post-card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); box-shadow: 0 26px 60px -36px color-mix(in srgb, var(--accent) 55%, transparent), var(--shadow); }
.post-card .pcover { aspect-ratio: 16/9; position: relative; overflow: hidden; }
.post-card .pcover img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.25) brightness(0.88); transition: transform 0.7s var(--ease), filter 0.6s var(--ease); }
.post-card:hover .pcover img { transform: scale(1.06); filter: grayscale(0); }
.post-card .pbody { padding: 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.post-card h3 { font-size: 20px; font-weight: 700; line-height: 1.35; transition: color 0.3s var(--ease); }
.post-card:hover h3 { color: var(--accent-2); }
.post-card .pexcerpt { color: var(--text-dim); font-size: 14px; flex: 1; }
.post-card .pmeta { display: flex; align-items: center; justify-content: space-between; font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--text-dim); }
.post-card .pmeta span:last-child { transition: transform 0.3s var(--ease), color 0.3s var(--ease); }
.post-card:hover .pmeta span:last-child { color: var(--accent); transform: translateX(4px); }

/* ---------- Contact ---------- */
.contact { text-align: center; }
.contact .big { font-weight: 800; font-size: clamp(38px, 7vw, 92px); letter-spacing: -0.03em; line-height: 1.02; margin: 22px 0 32px; }
.socials { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }
.social { display: inline-flex; align-items: center; gap: 9px; padding: 12px 22px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface); font-size: 14px; transition: all 0.35s var(--ease); }
.social:hover { border-color: var(--accent); color: var(--accent-2); transform: translateY(-2px); box-shadow: 0 0 0 4px var(--accent-soft); }

.contact-intro { color: var(--text-dim); font-size: clamp(15px, 1.5vw, 17px); line-height: 1.85; max-width: 460px; }
.qr-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 32px; max-width: 480px; }
.qr-card { padding: 18px; border-radius: var(--radius-lg); border: 1px solid var(--border); cursor: pointer; outline: none;
  background: linear-gradient(165deg, var(--surface-2), transparent 86%);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease); }
.qr-card:hover, .qr-card:focus-visible { transform: translateY(-6px); border-color: var(--accent); box-shadow: 0 20px 48px -22px var(--accent-soft); }
.qr-card-media { position: relative; aspect-ratio: 1 / 1; border-radius: 14px; overflow: hidden; display: grid; place-items: center;
  background: radial-gradient(circle at 50% 38%, color-mix(in srgb, var(--accent) 14%, var(--surface)), var(--surface) 72%); }
.qr-logo { display: inline-flex; transition: opacity 0.38s var(--ease), transform 0.38s var(--ease); }
.qr-logo svg { width: 62px; height: 62px; display: block; }
.qr-logo--wechat { color: #07c160; }
.qr-logo--douyin { color: #f3f4f8; }
.qr-img { position: absolute; inset: 0; width: 100%; height: 100%; max-width: 100%; object-fit: contain; background: #fff;
  padding: 12px; box-sizing: border-box; opacity: 0; transform: scale(1.05);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease); }
.qr-card:hover .qr-img, .qr-card:focus-within .qr-img { opacity: 1; transform: scale(1); }
.qr-card:hover .qr-logo, .qr-card:focus-within .qr-logo { opacity: 0; transform: scale(0.88); }
.qr-card-meta { margin-top: 15px; }
.qr-card-meta strong { display: block; font-size: 15px; font-weight: 700; color: var(--text); }
.qr-card-meta span { display: block; margin-top: 3px; font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0.03em; color: var(--text-dim); }
.qr-empty { margin-top: 28px; font-family: var(--mono); font-size: 13px; color: var(--text-dim); }

/* ---------- 能力 / 服务 ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.service-card { position: relative; overflow: hidden; padding: 32px; border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(165deg, var(--surface-2), transparent 75%);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.4s var(--ease); }
.service-card::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 60%, transparent), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 0.4s var(--ease); }
.service-card:hover { transform: translateY(-6px); border-color: transparent; box-shadow: 0 26px 60px -36px color-mix(in srgb, var(--accent) 55%, transparent), var(--shadow); }
.service-card:hover::before { opacity: 1; }
.svc-ic { position: relative; width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  color: var(--accent); border: 1px solid var(--border); background: var(--accent-soft); margin-bottom: 22px; transition: all 0.45s var(--ease-spring); }
.svc-ic svg { width: 24px; height: 24px; }
.service-card:hover .svc-ic { color: var(--on-accent); border-color: transparent; background: linear-gradient(135deg, var(--accent-2), var(--accent-3)); transform: translateY(-3px) rotate(-6deg); box-shadow: 0 12px 28px -12px color-mix(in srgb, var(--accent) 80%, transparent); }
.service-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; transition: color 0.3s var(--ease); }
.service-card:hover h3 { color: #fff; }
.service-card p { color: var(--text-dim); font-size: 14px; line-height: 1.7; }

/* Bento：能力页非对称栅格 */
.services-grid.bento { grid-template-columns: repeat(4, 1fr); }
.services-grid.bento > :nth-child(1), .services-grid.bento > :nth-child(6) { grid-column: span 2; background: linear-gradient(135deg, var(--accent-soft), var(--surface)); }
.services-grid.bento > :nth-child(1) h3, .services-grid.bento > :nth-child(6) h3 { font-size: 21px; }

/* ---------- 合作流程 ---------- */
.process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.process-step { position: relative; overflow: hidden; padding: 30px; border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(165deg, var(--surface-2), transparent 78%);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease); }
.process-step:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.process-step::before { content: ""; position: absolute; top: 0; left: 0; height: 2px; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 0.55s var(--ease); }
.process-step:hover::before { width: 100%; }
.process-step .step-no { display: block; font-family: var(--mono); font-size: 30px; font-weight: 700; color: var(--accent); margin-bottom: 14px; -webkit-text-stroke: 0; }
.process-step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.process-step p { color: var(--text-dim); font-size: 14px; line-height: 1.7; }

/* ---------- CTA（流光描边） ---------- */
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
  padding: 60px; border-radius: var(--radius-lg); position: relative; overflow: hidden;
  background: radial-gradient(120% 160% at 0% 0%, var(--accent-soft), transparent 55%), var(--bg-soft); border: 1px solid var(--border-strong); }
.cta-band::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(120deg, var(--accent), transparent 40%, transparent 60%, var(--accent-3));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }
.cta-band h2 { font-weight: 800; font-size: clamp(28px, 3.6vw, 46px); letter-spacing: -0.02em; line-height: 1.06; }
.cta-band p { color: var(--text-dim); margin-top: 12px; max-width: 520px; }
.cta-band .btn { flex-shrink: 0; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 80px 0 30px; margin-top: 40px; position: relative; }
.footer-grid { display: flex; justify-content: space-between; gap: 56px; flex-wrap: wrap; padding-bottom: 44px; border-bottom: 1px solid var(--border); }
.footer-about { max-width: 380px; }
.footer-about .brand { font-size: 17px; margin-bottom: 16px; }
.footer-desc { color: var(--text-dim); font-size: 14px; line-height: 1.8; }
.footer-nav { display: flex; flex-direction: column; gap: 12px; }
.footer-nav h4 { font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 6px; }
.footer-nav a { color: var(--text-dim); font-size: 14px; font-weight: 500; transition: color 0.25s var(--ease); width: fit-content; }
.footer-nav a:hover { color: var(--accent-2); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 26px; font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--text-dim); }
.to-top { transition: color 0.3s var(--ease); }
.to-top:hover { color: var(--accent); }

/* ---------- 滚动揭示动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.85s var(--ease), transform 0.85s var(--ease); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; }
.reveal.from-left { transform: translateX(-28px); }
.reveal.from-right { transform: translateX(28px); }
.reveal.from-zoom { transform: scale(0.97); }
.reveal.from-left.in, .reveal.from-right.in, .reveal.from-zoom.in { transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }

/* ---------- 顶部进度条 ---------- */
.progress-bar { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 200; background: linear-gradient(90deg, var(--accent-3), var(--accent), var(--accent-2)); box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 70%, transparent); }

/* ---------- 多页：页面头部 ---------- */
.page-header { padding: 200px 0 44px; position: relative; }
.page-title { font-size: clamp(44px, 7vw, 92px); font-weight: 800; letter-spacing: -0.04em; line-height: 1.0; margin: 22px 0 22px; }
.page-lead { color: var(--text-dim); font-size: clamp(15px, 1.6vw, 18px); max-width: 640px; line-height: 1.8; }

/* ---------- 详情页 ---------- */
.detail-hero { padding: 180px 0 50px; }
.back-link { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--text-dim); margin-bottom: 34px; transition: gap 0.25s var(--ease), color 0.25s var(--ease); }
.back-link:hover { color: var(--accent); gap: 12px; }
.detail-hero h1 { font-size: clamp(34px, 6vw, 72px); font-weight: 800; letter-spacing: -0.035em; line-height: 1.04; margin: 16px 0 22px; }
.detail-meta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; color: var(--text-dim); font-size: 14px; }
.detail-cover { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); margin: 36px 0; aspect-ratio: 16/9; max-height: 440px; background: var(--bg-soft); box-shadow: var(--shadow); }
.detail-cover img, .detail-cover .cover-gradient { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.detail-body { display: grid; grid-template-columns: 1fr 300px; gap: 72px; align-items: start; }
.prose { font-size: 17px; line-height: 1.9; color: color-mix(in srgb, var(--text) 74%, var(--text-dim)); }
.prose p { margin-bottom: 22px; white-space: pre-line; }

/* Markdown 渲染 */
.prose.post-md { font-size: 17.5px; line-height: 1.92; }
.prose.post-md p { white-space: normal; }
.prose.post-md > :first-child { margin-top: 0; }
.prose.post-md > p:first-of-type { font-size: 1.1em; line-height: 1.85; color: color-mix(in srgb, var(--text) 88%, var(--text-dim)); margin-bottom: 26px; }
.prose.post-md h1, .prose.post-md h2, .prose.post-md h3, .prose.post-md h4 { color: var(--text); font-weight: 700; letter-spacing: -0.01em; line-height: 1.25; margin: 1.7em 0 0.6em; }
.prose.post-md h1 { font-size: 1.9em; }
.prose.post-md h2 { font-size: 1.5em; padding-bottom: 0.3em; border-bottom: 1px solid var(--border); }
.prose.post-md h3 { font-size: 1.26em; }
.prose.post-md h4 { font-size: 1.1em; }
.prose.post-md a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }
.prose.post-md a:hover { color: var(--accent); }
.prose.post-md strong { color: var(--text); font-weight: 700; }
.prose.post-md ul, .prose.post-md ol { margin: 0 0 22px; padding-left: 1.4em; }
.prose.post-md li { margin: 0.4em 0; }
.prose.post-md li::marker { color: var(--accent); }
.prose.post-md blockquote { margin: 0 0 22px; padding: 10px 20px; border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 12px 12px 0; color: var(--text-dim); }
.prose.post-md blockquote p:last-child { margin-bottom: 0; }
.prose.post-md code { font-family: var(--mono); font-size: 0.88em; background: var(--surface-2); border: 1px solid var(--border); border-radius: 7px; padding: 2px 6px; color: var(--accent-2); }
.prose.post-md pre { background: #080a14; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; overflow-x: auto; margin: 0 0 24px; }
.prose.post-md pre code { background: none; border: none; padding: 0; font-size: 0.9em; line-height: 1.7; color: var(--text-dim); }
.prose.post-md img { border-radius: var(--radius); border: 1px solid var(--border); margin: 8px 0 24px; }
.prose.post-md hr { border: none; border-top: 1px solid var(--border); margin: 34px 0; }
.prose.post-md table { width: 100%; border-collapse: collapse; margin: 0 0 24px; font-size: 0.95em; }
.prose.post-md th, .prose.post-md td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; }
.prose.post-md th { background: var(--surface-2); color: var(--text); }
.detail-side { position: sticky; top: 110px; display: flex; flex-direction: column; gap: 22px; }
.side-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; background: linear-gradient(165deg, var(--surface-2), transparent 80%); }
.side-card h4 { font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 16px; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; margin-top: 48px; }
.gallery figure { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); cursor: zoom-in; transition: transform 0.45s var(--ease), border-color 0.4s var(--ease); }
.gallery figure:hover { transform: translateY(-4px); border-color: var(--accent); }
.gallery img { width: 100%; height: 240px; object-fit: cover; filter: grayscale(0.2); transition: filter 0.5s var(--ease); }
.gallery figure:hover img { filter: grayscale(0); }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(2, 3, 8, 0.92); display: none; align-items: center; justify-content: center; padding: 40px; backdrop-filter: blur(10px); }
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 88vh; border-radius: var(--radius); border: 1px solid var(--border-strong); box-shadow: var(--shadow); }
.lightbox .close { position: absolute; top: 24px; right: 34px; font-size: 30px; color: var(--text); cursor: pointer; }

/* ---------- 空状态 / 骨架 ---------- */
.empty { text-align: center; color: var(--text-dim); padding: 70px 0; font-family: var(--mono); font-size: 14px; font-weight: 500; letter-spacing: 0.04em; }
.skeleton { background: linear-gradient(100deg, var(--surface) 30%, var(--surface-2) 50%, var(--surface) 70%); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: var(--radius); }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- 联系页栅格 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.contact-card { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px; background: linear-gradient(165deg, var(--surface-2), transparent 80%); }
.contact-card h4 { font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 18px; }
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 13px; }
.contact-list li { position: relative; padding-left: 22px; color: var(--text-dim); font-size: 14px; transition: color 0.3s var(--ease), transform 0.3s var(--ease); }
.contact-list li::before { content: "→"; position: absolute; left: 0; color: var(--accent); transition: transform 0.3s var(--ease); }
.contact-list li:hover { color: var(--text); transform: translateX(5px); }
.contact-note { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border); font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--text-dim); }

/* 联系页 · 开发者招募 */
.dev-join { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center;
  padding: clamp(28px, 4vw, 52px); border-radius: var(--radius-lg); border: 1px solid var(--border-strong);
  background: linear-gradient(150deg, color-mix(in srgb, var(--accent) 12%, var(--surface-2)), transparent 70%), var(--glass); }
.dev-join::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 55%, transparent), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }
.dev-join-title { font-size: clamp(28px, 3.2vw, 44px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.12; margin: 16px 0; }
.dev-join-lead { color: var(--text-dim); font-size: 15.5px; line-height: 1.85; max-width: 560px; margin-bottom: 28px; }
.dev-join-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.dev-join-list { list-style: none; display: grid; gap: 12px; }
.dev-join-list li { display: flex; align-items: flex-start; gap: 13px; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--border);
  background: var(--surface); transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.dev-join-list li:hover { border-color: var(--accent); transform: translateX(4px); box-shadow: 0 12px 30px -20px var(--accent-soft); }
.dj-ic { flex: none; width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-size: 13px; background: var(--accent-soft); color: var(--accent); }
.dj-txt { min-width: 0; }
.dj-txt strong { display: block; font-size: 14.5px; font-weight: 700; color: var(--text); }
.dj-txt em { display: block; margin-top: 3px; font-style: normal; font-size: 12.5px; color: var(--text-dim); line-height: 1.6; }

/* ---------- 通用表单控件（前台） ---------- */
.f-field { display: block; margin-bottom: 16px; }
.f-field > span { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 8px; }
.f-input, .f-textarea, select.f-input { width: 100%; padding: 13px 15px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; color: var(--text); font-size: 14px; font-family: inherit; outline: none; transition: border-color 0.2s, box-shadow 0.2s, background 0.2s; }
.f-input::placeholder, .f-textarea::placeholder { color: var(--text-faint); }
.f-input:focus, .f-textarea:focus, select.f-input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); background: var(--surface-2); }
.f-textarea { resize: vertical; min-height: 90px; }
.f-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ---------- 登录 / 注册 ---------- */
.auth-wrap { min-height: 80vh; display: grid; place-items: center; padding: 180px 20px 100px; }
.auth-card { width: 100%; max-width: 460px; background: var(--glass); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 42px 36px; box-shadow: var(--shadow); backdrop-filter: blur(20px); position: relative; overflow: hidden; }
.auth-card::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 55%, transparent), transparent 42%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }
.auth-card h1 { font-weight: 800; font-size: 30px; letter-spacing: -0.02em; margin-bottom: 8px; }
.auth-card .auth-sub { color: var(--text-dim); font-size: 14px; margin-bottom: 28px; }
.auth-error { color: #ff8a9c; font-size: 13px; min-height: 18px; margin: 4px 0 2px; }
.auth-alt { margin-top: 22px; text-align: center; font-size: 14px; color: var(--text-dim); }
.auth-alt a { color: var(--accent-2); }
.role-pick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 18px; }
.role-opt { border: 1px solid var(--border); border-radius: 12px; padding: 14px 10px; cursor: pointer; text-align: center; transition: 0.25s var(--ease); }
.role-opt:hover { border-color: var(--border-strong); }
.role-opt.active { border-color: var(--accent); background: var(--accent-soft); }
.role-opt .ro-t { font-weight: 700; font-size: 14px; }
.role-opt .ro-d { font-size: 12px; color: var(--text-faint); margin-top: 3px; }

/* ---------- 开发者中心 / 我的作品 ---------- */
.sub-list { display: flex; flex-direction: column; gap: 14px; }
.sub-item { display: flex; gap: 18px; align-items: flex-start; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; background: linear-gradient(165deg, var(--surface-2), transparent 85%); transition: border-color 0.3s var(--ease), transform 0.3s var(--ease); }
.sub-item:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.sub-thumb { width: 132px; height: 88px; border-radius: 12px; overflow: hidden; flex-shrink: 0; border: 1px solid var(--border); }
.sub-thumb img { width: 100%; height: 100%; object-fit: cover; }
.sub-thumb .ph { width: 100%; height: 100%; background: linear-gradient(135deg, var(--accent-3), var(--accent)); }
.sub-grow { flex: 1; min-width: 0; }
.sub-grow h3 { font-size: 17px; font-weight: 700; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sub-grow .sub-meta { color: var(--text-dim); font-family: var(--mono); font-size: 12px; font-weight: 500; margin-top: 6px; }
.sub-actions { display: flex; flex-direction: column; gap: 8px; flex-shrink: 0; }
.st-badge { font-family: var(--mono); font-size: 11px; padding: 4px 11px; border-radius: 999px; font-weight: 600; white-space: nowrap; letter-spacing: 0.04em; }
.st-pending { background: rgba(245, 158, 11, 0.16); color: #fbbf24; }
.st-approved { background: rgba(16, 185, 129, 0.18); color: #6ee7b7; }
.st-rejected { background: rgba(244, 63, 94, 0.16); color: #fda4b8; }
.st-draft { background: var(--surface-2); color: var(--text-dim); }
.reject-box { margin-top: 11px; padding: 11px 14px; border-radius: 12px; background: rgba(244, 63, 94, 0.08); border: 1px solid rgba(244, 63, 94, 0.25); font-size: 13px; color: #fda4b8; }

/* ---------- 模态框 ---------- */
.modal-backdrop { position: fixed; inset: 0; background: rgba(2, 3, 8, 0.7); backdrop-filter: blur(8px); z-index: 300; display: none; }
.modal-backdrop.open { display: block; }
.modal { position: fixed; z-index: 310; top: 50%; left: 50%; transform: translate(-50%, -50%); width: min(640px, 94vw); max-height: 88vh; overflow: auto;
  background: var(--glass-strong); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow); display: none; backdrop-filter: blur(22px); }
.modal.open { display: block; animation: pop 0.26s var(--ease-spring); }
.modal h2 { font-weight: 800; font-size: 24px; margin-bottom: 20px; }
.modal-foot { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; }
.mini-drop { border: 1px dashed var(--border-strong); border-radius: 14px; padding: 22px; text-align: center; color: var(--text-dim); font-size: 14px; cursor: pointer; transition: 0.25s var(--ease); }
.mini-drop:hover, .mini-drop.drag { border-color: var(--accent); color: var(--text); background: var(--accent-soft); }
.mini-thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 10px; margin-top: 14px; }
.mini-thumbs .mt { position: relative; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); aspect-ratio: 1; cursor: grab; transition: opacity 0.15s, transform 0.15s, border-color 0.2s; }
.mini-thumbs .mt:hover { border-color: var(--border-strong); }
.mini-thumbs .mt:active { cursor: grabbing; }
.mini-thumbs .mt img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.mini-thumbs .mt.dragging { opacity: 0.4; transform: scale(0.95); }
.mini-thumbs .mt .x { position: absolute; top: 5px; right: 5px; width: 23px; height: 23px; border-radius: 8px; background: rgba(0, 0, 0, 0.62); color: #fff; font-size: 12px; display: grid; place-items: center; opacity: 0; transition: 0.2s; z-index: 2; }
.mini-thumbs .mt:hover .x { opacity: 1; }
.mini-thumbs .mt .set-cover { position: absolute; left: 5px; right: 5px; bottom: 5px; padding: 4px; border-radius: 8px; border: 1px solid var(--border-strong); background: rgba(8, 10, 20, 0.85); color: var(--text); font-size: 10.5px; font-weight: 600; text-align: center; opacity: 0; transition: 0.2s; z-index: 2; }
.mini-thumbs .mt:hover .set-cover { opacity: 1; }
.mini-thumbs .mt.cover::after { content: "★ 封面"; position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(90deg, var(--accent-3), var(--accent)); color: var(--on-accent); font-size: 9.5px; font-weight: 700; text-align: center; padding: 3px 2px; z-index: 1; }
.toast-wrap { position: fixed; bottom: 24px; right: 24px; z-index: 400; display: flex; flex-direction: column; gap: 10px; }
.toast { padding: 13px 18px; border-radius: 14px; font-size: 14px; background: var(--glass-strong); border: 1px solid var(--border-strong); box-shadow: var(--shadow); backdrop-filter: blur(16px); animation: pop 0.3s var(--ease-spring); }
.toast.ok { border-color: rgba(16, 185, 129, 0.45); }
.toast.err { border-color: rgba(244, 63, 94, 0.5); }

/* ---------- 404 ---------- */
.nf-wrap { min-height: 86vh; display: grid; place-items: center; padding: 160px 24px 90px; text-align: center; }
.nf-inner { max-width: 560px; }
.nf-code { font-weight: 800; font-size: clamp(110px, 26vw, 260px); line-height: 0.9; letter-spacing: -0.05em;
  background: linear-gradient(120deg, var(--accent-2), var(--accent) 45%, var(--accent-3)); background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent; animation: holo 9s linear infinite; }
.nf-title { font-size: clamp(24px, 4vw, 38px); font-weight: 800; letter-spacing: -0.02em; margin: 14px 0 12px; }
.nf-sub { color: var(--text-dim); font-size: 16px; line-height: 1.8; margin-bottom: 32px; }
.nf-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.magnetic { will-change: transform; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .work-card, .work-card.featured { grid-column: span 6; }
  .hero-inner { gap: 48px; }
}
@media (max-width: 980px) {
  .hero { min-height: auto; padding: 140px 0 90px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .about-card { max-width: 380px; }
  .detail-body { grid-template-columns: 1fr; gap: 44px; }
  .detail-side { position: static; }
  .footer-grid { gap: 34px; }
  .services-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
  .services-grid.bento { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
  .services-grid.bento > * { grid-column: auto; }
}
@media (max-width: 720px) {
  .container { padding: 0 24px; }
  .nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; }
  .nav.scrolled .nav-inner { padding: 14px 24px; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav.open .nav-links { display: flex; position: absolute; top: 62px; left: 16px; right: 16px; flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--glass-strong); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; backdrop-filter: blur(20px); box-shadow: var(--shadow); }
  .nav.open .nav-links a { padding: 13px 16px; text-align: center; }
  .nav-cta { margin-left: 0; text-align: center; }
  .works-grid { grid-template-columns: 1fr; }
  .work-card, .work-card.featured { grid-column: span 1; min-height: 300px; }
  #homeWorks, #homePosts { grid-template-columns: 1fr; }
  .work-card .desc { max-height: none; opacity: 1; margin-top: 6px; }
  .hero-stats { flex-wrap: wrap; }
  .hero-stats .stat { flex: 1 1 45%; padding: 22px 18px 0; }
  .hero-stats .stat:nth-child(odd) { border-left: none; }
  .detail-hero { padding-top: 140px; }
  .page-header { padding: 150px 0 30px; }
  .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .dev-join { grid-template-columns: 1fr; gap: 30px; }
  .cta-band { padding: 36px 28px; }
}
@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .hero { padding: 120px 0 64px; }
  .hero-title { font-size: 42px; }
  .section-title { font-size: 28px; }
  .btn { padding: 12px 22px; font-size: 14px; }
  .hero-actions .btn { flex: 1; justify-content: center; }
  .hero-stats .stat { flex: 1 1 100%; border-left: none !important; border-top: 1px solid var(--border); padding: 18px 0 0; }
  .service-card, .process-step { padding: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .services-grid { grid-template-columns: 1fr; }
}

/* 触摸设备：移除磁吸残留 */
@media (hover: none), (pointer: coarse) {
  .magnetic { transform: none !important; }
  .cursor-glow { display: none !important; }
  .qr-card .qr-img { opacity: 1; transform: none; }
  .qr-card .qr-logo { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  body::before { animation: none !important; }
}