/* ============================================================
   mariana.dev — 视觉皮肤系统
   默认：深海蓝白（ocean · 海面到深海）
   可选：暗夜（dark）/ 浅色（light）
   ============================================================ */

/* ════════════ Token · 深海蓝白（默认） ════════════ */
:root {
  --bg: #f5f9ff;
  --bg-soft: #eff5ff;
  --surface: #ffffff;
  --surface-2: #e4f0ff;
  --border: rgba(20, 60, 140, 0.14);
  --border-light: rgba(20, 60, 140, 0.24);
  --text: #0a1e3c;
  --text-dim: #5b7499;
  --text-faint: #8fa6c6;
  --nav-bg: rgba(245, 249, 255, 0.85);
  --nav-bg-solid: rgba(245, 249, 255, 0.97);
  --grid-line: rgba(20, 60, 140, 0.05);
  --overlay-bg: rgba(10, 30, 60, 0.4);
  --shadow: 0 1px 2px rgba(16, 44, 110, 0.05),
    0 10px 24px -8px rgba(16, 44, 110, 0.09),
    0 32px 64px -28px rgba(16, 44, 110, 0.14);
  --radius: 14px;
  --radius-sm: 9px;
  --r-shell: 28px;
  --r-btn: 999px;
  --btn-ghost-bg: #ffffff;
  --grad-sea: linear-gradient(128deg, #dcebff 0%, #8fbeff 34%, #3b78f0 68%, #1443c4 100%);
  --grad-hero: linear-gradient(160deg, #f5f9ff 0%, #e0eeff 42%, #bfd9ff 100%);
  --grad-brand: var(--grad-sea);
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  --sans: "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --f-display: "Unbounded", "Noto Sans SC", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --accent-soft: rgba(43, 109, 232, 0.12);
  --accent-soft: color-mix(in srgb, var(--accent) 13%, transparent);
  --accent-border: rgba(43, 109, 232, 0.32);
  --accent-border: color-mix(in srgb, var(--accent) 32%, transparent);
}

/* ════════════ 主题色预设 ════════════ */
:root[data-accent="sea"]    { --accent:#2b6de8; --accent-strong:#1443c4; --accent-contrast:#ffffff; --grad-mid:#1443c4; --grad-end:#6fa8ff; }
:root[data-accent="teal"]   { --accent:#14b8a6; --accent-strong:#0d9488; --accent-contrast:#ffffff; --grad-mid:#2dd4bf; --grad-end:#38bdf8; }
:root[data-accent="blue"]   { --accent:#0ea5e9; --accent-strong:#0284c7; --accent-contrast:#ffffff; --grad-mid:#38bdf8; --grad-end:#818cf8; }
:root[data-accent="violet"] { --accent:#8b5cf6; --accent-strong:#7c3aed; --accent-contrast:#ffffff; --grad-mid:#a78bfa; --grad-end:#f472b6; }
:root[data-accent="rose"]   { --accent:#f43f5e; --accent-strong:#e11d48; --accent-contrast:#ffffff; --grad-mid:#fb7185; --grad-end:#fbbf24; }
:root[data-accent="amber"]  { --accent:#d97706; --accent-strong:#b45309; --accent-contrast:#ffffff; --grad-mid:#fbbf24; --grad-end:#4ade80; }
:root[data-accent="green"]  { --accent:#16a34a; --accent-strong:#15803d; --accent-contrast:#ffffff; --grad-mid:#4ade80; --grad-end:#2dd4bf; }

/* ════════════ 皮肤 · 暗夜 ════════════ */
:root[data-theme="dark"] {
  --bg: #0a0e14;
  --bg-soft: #0e131b;
  --surface: #121822;
  --surface-2: #161d29;
  --border: #1f2733;
  --border-light: #2a3442;
  --text: #e8edf4;
  --text-dim: #9aa5b5;
  --text-faint: #5c6675;
  --nav-bg: rgba(10, 14, 20, 0.75);
  --nav-bg-solid: rgba(10, 14, 20, 0.97);
  --grid-line: rgba(255, 255, 255, 0.025);
  --overlay-bg: var(--bg);
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --r-shell: 0px;
  --r-btn: 10px;
  --btn-ghost-bg: transparent;
  --grad-brand: linear-gradient(90deg, var(--accent-strong), var(--accent));
  color-scheme: dark;
}

/* ════════════ 皮肤 · 浅色 ════════════ */
:root[data-theme="light"] {
  --bg: #f6f8fb;
  --bg-soft: #eef1f6;
  --surface: #ffffff;
  --surface-2: #eef2f7;
  --border: #e3e9f1;
  --border-light: #cfd8e3;
  --text: #1c2532;
  --text-dim: #4a5568;
  --text-faint: #8a94a6;
  --nav-bg: rgba(246, 248, 251, 0.82);
  --nav-bg-solid: rgba(246, 248, 251, 0.97);
  --grid-line: rgba(28, 37, 50, 0.055);
  --overlay-bg: var(--bg);
  --shadow: 0 10px 30px rgba(28, 37, 50, 0.1);
  --radius: 16px;
  --r-shell: 0px;
  --r-btn: 10px;
  --btn-ghost-bg: transparent;
  --grad-brand: linear-gradient(90deg, var(--accent-strong), var(--accent));
  color-scheme: light;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

::selection { background: var(--accent-soft); }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* 无障碍：跳转链接（Tab 键激活时可见） */
.skip-link {
  position: fixed;
  top: -48px;
  left: 16px;
  z-index: 300;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 13px;
  font-weight: 500;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ════════════ 顶部导航 ════════════ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 11px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  background: linear-gradient(118deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.logo i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--grad-brand);
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
  background: var(--surface-2);
  padding: 4px;
  border-radius: var(--r-btn);
  position: relative;
}
/* 滑动高亮块：JS 定位到当前导航项，切换时平滑滑动 */
.nav-ind {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  width: 0;
  border-radius: var(--r-btn);
  background: var(--surface);
  box-shadow: 0 2px 8px rgba(16, 44, 110, 0.1);
  transition: none;
  will-change: transform, width;
}
.nav-links.ready .nav-ind {
  transition: transform 0.38s var(--ease), width 0.38s var(--ease);
}
.nav-link {
  position: relative;
  z-index: 1;
  padding: 8px 18px;
  border-radius: var(--r-btn);
  color: var(--text-dim);
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.25s var(--ease);
}
.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-icon-btn {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  border: none;
  border-radius: 12px;
  color: var(--text-dim);
  transition: color 0.2s, background 0.2s, color 0.2s;
}
.nav-icon-btn:hover, .nav-icon-btn.active {
  color: var(--accent);
  background: var(--accent-soft);
}
.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 12px;
  background: var(--surface-2);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-burger span { width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.3s var(--ease); }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ════════════ 设置面板 ════════════ */
.settings-pop {
  position: absolute;
  top: calc(100% + 8px);
  right: 24px;
  width: min(264px, calc(100vw - 32px));
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 18px;
  z-index: 130;
  animation: popIn 0.22s var(--ease);
}
@keyframes popIn {
  from { opacity: 0; transform: translateY(-6px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.settings-title { font-size: 13px; font-weight: 700; margin-bottom: 14px; }
.settings-group { margin-bottom: 14px; }
.settings-label { display: block; font-size: 12px; color: var(--text-faint); margin-bottom: 8px; }
.settings-row { display: flex; align-items: center; justify-content: space-between; }
.settings-row .settings-label { margin-bottom: 0; }
.seg {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
  background: var(--surface-2);
  border-radius: 9px;
  padding: 3px;
}
.seg-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: none;
  background: none;
  color: var(--text-dim);
  font-size: 12.5px;
  padding: 6px 4px;
  border-radius: 7px;
  transition: color 0.15s, background 0.15s;
}
.seg-btn.active { background: var(--surface); color: var(--accent); box-shadow: 0 1px 4px rgba(16, 44, 110, 0.12); }
.swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--c);
  border: 2px solid transparent;
  position: relative;
  transition: transform 0.15s var(--ease), border-color 0.15s;
}
.swatch:hover { transform: scale(1.12); }
.swatch.active { border-color: var(--text); transform: scale(1.08); }
.swatch.active::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
}
.switch {
  width: 38px;
  height: 22px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border-light);
  position: relative;
  transition: background 0.2s, border-color 0.2s;
}
.switch i {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-faint);
  transition: left 0.2s var(--ease), background 0.2s;
}
.switch[aria-checked="true"] { background: var(--accent-border); border-color: var(--accent-border); }
.switch[aria-checked="true"] i { left: 18px; background: var(--accent); }
.settings-reset {
  width: 100%;
  font-size: 12.5px;
  color: var(--text-faint);
  background: none;
  border: 1px dashed var(--border-light);
  border-radius: 9px;
  padding: 7px;
  transition: color 0.2s, border-color 0.2s;
}
.settings-reset:hover { color: var(--accent); border-color: var(--accent-border); }
/* 背景网格只在暗夜/浅色皮肤有意义 */
html:not([data-theme="dark"]):not([data-theme="light"]) .grid-row { display: none; }

/* ════════════ 按钮 ════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--r-btn);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 0.15s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: 0 4px 18px color-mix(in srgb, var(--accent) 25%, transparent);
}
.btn-primary:hover { background: var(--accent-strong); box-shadow: 0 6px 24px color-mix(in srgb, var(--accent) 35%, transparent); }
.btn-ghost { border-color: var(--border-light); color: var(--text); background: var(--btn-ghost-bg); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.arrow { transition: transform 0.25s var(--ease); display: inline-block; }
a:hover .arrow { transform: translateX(4px); }

/* ════════════ 主容器 / 页面 ════════════ */
.main { max-width: 1180px; margin: 0 auto; padding: 0 24px 40px; }
.page { display: none; }
.page.active { display: block; animation: pageIn 0.5s var(--ease); }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* 背景网格（暗夜/浅色皮肤专用） */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 40%, transparent 100%);
}
html:not([data-theme="dark"]):not([data-theme="light"]) .bg-grid { display: none; }

/* ════════════ Hero（海洋皮肤） ════════════ */
.hero-band {
  position: relative;
  overflow: hidden;
  border-radius: 0 0 var(--r-shell) var(--r-shell);
  background: var(--grad-hero);
  width: 100vw;
  margin-left: calc(50% - 50vw);
}
.contours { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.5; pointer-events: none; }
.contours path { fill: none; stroke: url(#cg); stroke-width: 1.4; }
.hero-inner {
  position: relative;
  z-index: 2;
  padding: 64px 0 28px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: center;
}
.kicker {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--accent-strong);
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.kicker::after { content: ""; height: 1px; flex: 0 0 56px; background: linear-gradient(90deg, var(--accent-strong), transparent); }
.hero-title {
  font-weight: 900;
  font-size: clamp(30px, 4.6vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.02em;
}
.grad {
  background: linear-gradient(118deg, var(--accent-strong), var(--accent) 70%, var(--grad-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  margin-top: 18px;
  color: var(--text-dim);
  font-weight: 300;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero-tags { display: flex; gap: 8px; margin-top: 24px; flex-wrap: wrap; }
.tag-pill {
  font-size: 11.5px;
  padding: 6px 14px;
  border-radius: var(--r-btn);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--border);
  color: var(--accent-strong);
  font-weight: 500;
}
.tag-pill.hot { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); }
.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding-bottom: 48px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  text-align: center;
  box-shadow: 0 4px 16px -8px rgba(16, 44, 110, 0.1);
}
.stat-num {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.7rem;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  line-height: 1.1;
}
.stat-label { font-size: 11.5px; color: var(--text-dim); margin-top: 6px; display: block; }

/* Hero 右侧 · 等深线同心圆 */
.iso { position: relative; min-height: 340px; }
.iso .ring { position: absolute; border-radius: 50%; border: 1.6px solid color-mix(in srgb, var(--accent) 32%, transparent); }
.iso .r1 { inset: 0 6% 6% 0; }
.iso .r2 { inset: 8% 16% 14% 8%; border-color: color-mix(in srgb, var(--accent) 48%, transparent); }
.iso .r3 { inset: 16% 26% 22% 16%; border-color: color-mix(in srgb, var(--accent) 62%, transparent); }
.iso .r4 { inset: 24% 36% 30% 26%; border-color: color-mix(in srgb, var(--accent) 75%, transparent); }
.iso .core {
  position: absolute;
  inset: 31% 45% 37% 35%;
  border-radius: 50%;
  background: var(--grad-brand);
  box-shadow: 0 18px 44px -12px color-mix(in srgb, var(--accent-strong) 55%, transparent);
  display: grid;
  place-items: center;
  color: var(--accent-contrast);
  font-family: var(--f-display);
  font-size: 2rem;
  font-weight: 800;
}
.iso .tag {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 13px;
  font-size: 11.5px;
  color: var(--accent-strong);
  box-shadow: 0 4px 14px rgba(16, 44, 110, 0.1);
  font-weight: 500;
}
.iso .t1 { top: 6%; left: 2%; }
.iso .t2 { top: 30%; right: 3%; }
.iso .t3 { bottom: 8%; left: 4%; }
.iso .depth {
  position: absolute;
  right: 0;
  bottom: 6%;
  top: auto;
  transform: none;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.2em;
  writing-mode: vertical-rl;
  opacity: 0.85;
}
/* 暗夜/浅色皮肤：收起海洋装饰，Hero 回归普通排版 */
html[data-theme="dark"] .hero-band,
html[data-theme="light"] .hero-band { background: transparent; border-radius: 0; margin-left: 0; width: auto; }
html[data-theme="dark"] .contours,
html[data-theme="light"] .contours,
html[data-theme="dark"] .iso,
html[data-theme="light"] .iso { display: none; }
html[data-theme="dark"] .hero-inner,
html[data-theme="light"] .hero-inner { grid-template-columns: 1fr; padding: 72px 0 0; }
html[data-theme="dark"] .tag-pill,
html[data-theme="light"] .tag-pill { background: var(--surface-2); border-color: var(--border); color: var(--text-dim); }
html[data-theme="dark"] .tag-pill.hot,
html[data-theme="light"] .tag-pill.hot { background: var(--accent-soft); border-color: var(--accent-border); color: var(--accent); }
html[data-theme="dark"] .hero-title,
html[data-theme="light"] .hero-title { font-family: var(--sans); }

/* ════════════ 分区标题 ════════════ */
.section { margin-top: 64px; }
.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.sec-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
}
.sec-label::before { content: ""; width: 34px; height: 2px; background: var(--grad-brand); border-radius: 2px; }
.sec-title { font-size: clamp(1.35rem, 2.4vw, 1.8rem); font-weight: 700; letter-spacing: -0.015em; }
.text-link { font-size: 13.5px; color: var(--accent); font-weight: 500; white-space: nowrap; }
.text-link:hover { text-decoration: underline; }

/* ════════════ 页头 ════════════ */
.page-head { padding: 56px 0 8px; }
.page-head .sec-label { margin-bottom: 10px; }
.page-title { font-size: clamp(1.9rem, 3.6vw, 2.6rem); font-weight: 900; letter-spacing: -0.02em; margin-bottom: 10px; }
.page-desc { color: var(--text-dim); font-size: 14.5px; font-weight: 300; max-width: 52ch; }

/* ════════════ 价值 / 能力卡片 ════════════ */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.value-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.value-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--accent-border); }
.value-card::after {
  content: "";
  position: absolute;
  right: -26px;
  bottom: -26px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--surface-2);
  opacity: 0.7;
}
.value-ic {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--grad-brand);
  color: var(--accent-contrast);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}
.value-ic svg { width: 21px; height: 21px; }
.value-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; position: relative; z-index: 1; }
.value-card p { font-size: 13px; color: var(--text-dim); font-weight: 300; line-height: 1.7; position: relative; z-index: 1; }
.value-card .dep {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: 0.12em;
}

/* ════════════ 作品行卡片 ════════════ */
.works-list { display: flex; flex-direction: column; gap: 14px; }
.work-card {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 22px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.work-card:hover { transform: translateX(4px); box-shadow: var(--shadow); border-color: var(--accent-border); }
.work-cover {
  height: 86px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: #fff;
  background: var(--cover, var(--grad-brand));
  text-align: center;
  line-height: 1.2;
  padding: 0 8px;
  overflow: hidden;
}
/* 真实截图封面：把 work-cover 里的文字换成 <img src="assets/covers/xxx.jpg"> */
.work-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}
.work-info .tag {
  font-size: 10.5px;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: var(--r-btn);
  background: var(--surface-2);
  color: var(--accent-strong);
}
.work-info h3 { font-size: 1.12rem; font-weight: 700; margin: 10px 0 6px; }
.work-info p { font-size: 13px; color: var(--text-dim); font-weight: 300; line-height: 1.7; }
.work-card-note {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: #9a6b00;
  background: #fff4dc;
  border: 1px dashed #e8c97e;
  padding: 4px 10px;
  border-radius: 8px;
}
.work-meta { font-family: var(--mono); font-size: 11px; color: var(--accent); margin-top: 8px; display: block; }
.work-info a.work-meta:hover { text-decoration: underline; }

/* ════════════ 工具卡片 ════════════ */
.tools-sub {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  margin: 40px 0 18px;
}
.tools-sub:first-of-type { margin-top: 0; }
.tools-sub-hint { font-family: var(--mono); font-size: 11.5px; font-weight: 400; color: var(--text-faint); }
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: 14px;
}
.tool-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: left;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.tool-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--accent-border); }
.tool-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.tool-ic {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--grad-brand);
  color: var(--accent-contrast);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.tool-ic svg { width: 19px; height: 19px; }
.tool-kind {
  font-size: 10px;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  padding: 4px 9px;
  border-radius: var(--r-btn);
  background: var(--surface-2);
  color: var(--accent-strong);
}
.tool-kind.green { background: #e9f7f0; color: #1e7a4d; }
.tool-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.tool-card .tool-desc { font-size: 12.5px; color: var(--text-dim); font-weight: 300; line-height: 1.65; margin-bottom: 14px; flex: 1; }
.tool-stack { font-family: var(--mono); font-size: 10.5px; color: var(--text-faint); margin-bottom: 12px; }
.tool-go { font-size: 11.5px; color: var(--accent); font-weight: 500; display: flex; align-items: center; gap: 6px; }
.tool-go .ar { transition: transform 0.28s var(--ease); }
.tool-card:hover .tool-go .ar { transform: translateX(4px); }
.tool-ext {
  position: absolute;
  right: 18px;
  bottom: 18px;
  font-size: 12px;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 2px 8px;
  transition: color 0.2s, border-color 0.2s;
  z-index: 2;
}
.tool-ext:hover { color: var(--accent); border-color: var(--accent-border); }
.tool-backend-note {
  font-size: 12px;
  line-height: 1.6;
  color: #9a6b00;
  background: #fff4dc;
  border: 1px dashed #e8c97e;
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 14px;
}
.tool-backend-note b { margin-right: 6px; font-weight: 700; }
/* 暗夜/浅色皮肤下的警示条配色 */
html[data-theme="dark"] .tool-backend-note,
html[data-theme="dark"] .work-card-note { color: #fbbf24; background: rgba(251, 191, 36, 0.07); border-color: rgba(251, 191, 36, 0.35); }
html[data-theme="light"] .tool-backend-note,
html[data-theme="light"] .work-card-note { color: #b45309; background: rgba(217, 119, 6, 0.08); border-color: rgba(180, 83, 9, 0.4); }
html[data-theme="dark"] .tool-kind.green,
html[data-theme="light"] .tool-kind.green { background: rgba(74, 222, 128, 0.12); color: #86efac; }
html[data-theme="light"] .tool-kind.green { color: #15803d; }

/* ════════════ 关于页 ════════════ */
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 16px; margin-top: 36px; }
.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.about-avatar {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-family: var(--f-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--accent-contrast);
  background: var(--grad-brand);
  margin-bottom: 16px;
}
.about-card h3 { font-size: 20px; font-weight: 700; }
.about-role { color: var(--accent); font-size: 14px; margin: 2px 0 12px; }
.about-bio { color: var(--text-dim); font-size: 14px; font-weight: 300; }
.about-card-title { font-size: 16px; font-weight: 700; margin-bottom: 18px; }
.skill-list { display: flex; flex-direction: column; gap: 14px; }
.skill-row { display: flex; flex-direction: column; gap: 6px; }
.skill-row span { font-size: 13px; color: var(--text-dim); }
.skill-bar { height: 6px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.skill-bar i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--grad-brand);
  transform-origin: left;
  animation: skillFill 0.9s var(--ease) both;
}
@keyframes skillFill { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* 联系方式行 */
.contact-row { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.contact-row a {
  flex: 1;
  min-width: 140px;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-dim);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.contact-row a:hover { color: var(--accent); border-color: var(--accent-border); }
.contact-row svg { width: 15px; height: 15px; flex: 0 0 auto; }

/* ════════════ 工具全屏工作区 ════════════ */
.tool-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--overlay-bg);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: stretch;
  padding: 22px;
  animation: overlayIn 0.3s var(--ease);
}
.tool-overlay[hidden] { display: none; }
@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }
.tool-window {
  flex: 1;
  background: var(--surface);
  border-radius: var(--r-shell);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}
.tool-window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.tool-window-title { font-size: 14px; font-weight: 700; }
.tool-window-btn {
  font-size: 13px;
  padding: 7px 16px;
  border-radius: var(--r-btn);
  background: var(--accent);
  color: var(--accent-contrast);
  border: none;
  font-weight: 500;
  transition: background 0.2s;
}
.tool-window-btn:hover { background: var(--accent-strong); }
.tool-window-body { flex: 1; overflow: hidden; position: relative; }
.tool-frame { width: 100%; height: 100%; border: 0; display: block; background: #fff; }

/* ════════════ 等深线分隔 / 页脚 ════════════ */
.rule-contour { position: relative; height: 70px; overflow: hidden; pointer-events: none; margin-top: 40px; }
.rule-contour svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.rule-contour path { fill: none; stroke: url(#cg); stroke-width: 1.2; }
html[data-theme="dark"] .rule-contour,
html[data-theme="light"] .rule-contour { display: none; }
.footer {
  padding: 24px 0 40px;
  text-align: center;
  color: var(--text-dim);
  font-size: 12.5px;
  font-weight: 300;
}
.footer-sub { margin-top: 6px; font-family: var(--mono); font-size: 11px; color: var(--text-faint); }

/* ════════════ 滚动揭示 ════════════ */
.rv { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.rv.in { opacity: 1; transform: none; }
html[data-theme="dark"] .rv, html[data-theme="light"] .rv { transition-duration: 0.4s; }

/* ════════════ 响应式 ════════════ */
@media (max-width: 880px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav-ind { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    gap: 2px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--nav-bg-solid);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    border-radius: 0 0 var(--r-shell) var(--r-shell);
    padding: 10px 24px 18px;
  }
  .nav-link { border-radius: var(--radius-sm); padding: 12px 16px; }
  .nav-link.active { background: var(--surface-2); box-shadow: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 30px; padding-top: 48px; }
  .iso { display: none; }
  .value-grid, .about-grid, .links-row { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .work-card { grid-template-columns: 1fr; gap: 14px; }
  .work-cover { height: 64px; width: 100%; }
  .settings-pop { right: 16px; }
  .footer { flex-direction: column; }
}

@media (max-width: 480px) {
  .tool-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr 1fr; }
  .stat { padding: 14px 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; }
}

/* ════════════ 全局 Toast ════════════ */
.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translate(-50%, 16px);
  z-index: 400;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
  border-radius: 999px;
  padding: 9px 20px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ════════════ 工具页：搜索 + 标签筛选 ════════════ */
.tools-toolbar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 6px 0 20px;
}
.tools-search { position: relative; max-width: 420px; }
.tools-search svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--text-faint);
  pointer-events: none;
}
.tools-search input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  font: inherit;
  font-size: 13.5px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.tools-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.tools-search input::-webkit-search-cancel-button { -webkit-appearance: none; }
.tools-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-chip {
  font-size: 12px;
  padding: 5px 13px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.tag-chip:hover { border-color: var(--accent); color: var(--accent); }
.tag-chip.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 500;
}
.tools-empty {
  color: var(--text-faint);
  font-size: 13px;
  padding: 28px 0;
  text-align: center;
  border: 1px dashed var(--border-light);
  border-radius: var(--radius);
  margin-top: 24px;
}

/* ════════════ 编辑模式 ════════════ */
.tool-edit {
  display: none;
  position: absolute;
  top: 16px;
  right: 16px;
  width: 26px;
  height: 26px;
  place-items: center;
  border: 1px solid var(--border-light);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1;
  z-index: 3;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
body.edit-mode .tool-edit { display: grid; }
.tool-edit:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
/* 编辑按钮与 kind 徽章同占右上角：编辑模式下徽章左移让位 */
body.edit-mode .tool-top .tool-kind { margin-right: 32px; }
.tool-add-card {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 120px;
  border-style: dashed;
  color: var(--text-faint);
  font-size: 13px;
}
body.edit-mode .tool-add-card { display: flex; }
.tool-add-card:hover { color: var(--accent); border-color: var(--accent); }
.tool-add-plus { font-size: 20px; font-weight: 300; }

.edit-modal {
  position: fixed;
  inset: 0;
  z-index: 220;
  background: var(--overlay-bg, rgba(10, 20, 40, 0.5));
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: overlayIn 0.25s var(--ease);
}
.edit-modal[hidden] { display: none; }
.edit-panel {
  width: min(430px, 100%);
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  animation: popIn 0.22s var(--ease);
}
.edit-panel-title { font-size: 15px; font-weight: 700; margin-bottom: 18px; }
.edit-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.edit-field[hidden] { display: none; }
.edit-field span { font-size: 12px; color: var(--text-faint); }
.edit-field input,
.edit-field textarea {
  font: inherit;
  font-size: 13.5px;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  outline: none;
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.edit-field input:focus,
.edit-field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.edit-actions { display: flex; align-items: center; gap: 10px; margin-top: 20px; }
.edit-spacer { flex: 1; }
.edit-btn[hidden] { display: none; }
.edit-btn {
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: none;
  color: var(--text-dim);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.edit-btn:hover { color: var(--text); border-color: var(--text-dim); }
.edit-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast, #fff);
  font-weight: 500;
}
.edit-btn.primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.edit-btn.danger { color: #e05252; border-color: rgba(224, 82, 82, 0.35); }
.edit-btn.danger:hover { background: rgba(224, 82, 82, 0.08); border-color: #e05252; }

/* ════════════ Ctrl+K 命令面板 ════════════ */
.cmdk {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--overlay-bg, rgba(10, 20, 40, 0.5));
  backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 14vh 20px 20px;
  animation: overlayIn 0.2s var(--ease);
}
.cmdk[hidden] { display: none; }
.cmdk-panel {
  width: min(560px, 100%);
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: popIn 0.2s var(--ease);
}
.cmdk-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.cmdk-input-row svg { width: 16px; height: 16px; color: var(--text-faint); flex: none; }
.cmdk-input-row input {
  flex: 1;
  border: none;
  outline: none;
  background: none;
  font: inherit;
  font-size: 14.5px;
  color: var(--text);
}
.cmdk-input-row kbd {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 2px 6px;
}
.cmdk-list { list-style: none; max-height: 46vh; overflow: auto; padding: 6px; margin: 0; }
.cmdk-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13.5px;
}
.cmdk-list li .cmdk-hint {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--text-faint);
  flex: none;
}
.cmdk-list li.active { background: var(--accent-soft); color: var(--accent); }
.cmdk-list li.cmdk-empty { cursor: default; text-align: center; color: var(--text-faint); padding: 26px; }

/* ════════════ 游戏作品页 · 轮播 ════════════ */
.g-show { margin-top: 30px; }
.g-strip-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}
.g-strip { display: flex; gap: 10px; }
.g-thumb {
  flex: 0 0 168px;
  height: 72px;
  border: 2px solid transparent;
  border-radius: 10px;
  background: var(--cover, var(--grad-brand));
  color: #fff;
  font-family: var(--f-display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  scroll-snap-align: center;
  opacity: 0.55;
  transition: opacity 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.g-thumb:hover { opacity: 0.85; transform: translateY(-2px); }
.g-thumb.active { opacity: 1; border-color: var(--accent); box-shadow: 0 6px 18px -8px color-mix(in srgb, var(--accent) 50%, transparent); }
.g-count-row { display: flex; justify-content: space-between; align-items: center; margin: 12px 2px; }
.g-hint { font-family: var(--mono); font-size: 11px; color: var(--text-faint); }
.g-count { font-family: var(--mono); font-size: 13px; color: var(--accent); letter-spacing: 0.15em; }
.g-main {
  display: grid;
  grid-template-columns: 64px 1fr 64px;
  gap: 14px;
  align-items: stretch;
}
.g-arrow {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-dim);
  font-size: 22px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.15s var(--ease);
}
.g-arrow:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); transform: scale(1.04); }
.g-media {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  min-height: 380px;
  display: grid;
}
.g-media.swap .g-media-inner { animation: gSwap 0.45s var(--ease); }
@keyframes gSwap {
  from { opacity: 0; transform: translateY(10px) scale(0.99); }
  to { opacity: 1; transform: none; }
}
.g-media-inner { display: grid; }
.g-video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.g-placeholder {
  display: grid;
  place-content: center;
  gap: 12px;
  text-align: center;
  background: var(--cover, var(--grad-brand));
  position: relative;
  overflow: hidden;
}
.g-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.14) 46%, transparent 62%);
  transform: translateX(-120%);
  animation: gShine 4.5s var(--ease) infinite;
}
@keyframes gShine { 0%, 55% { transform: translateX(-120%); } 100% { transform: translateX(120%); } }
.g-placeholder-word { font-family: var(--f-display); font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 800; color: #fff; text-shadow: 0 10px 34px rgba(0,0,0,0.35); }
.g-placeholder-hint { font-size: 12px; color: rgba(255,255,255,0.82); background: rgba(0,0,0,0.22); border-radius: 999px; padding: 5px 14px; justify-self: center; }
.g-info {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-top: 14px;
  animation: gSwap 0.45s var(--ease);
}
.g-info-tag {
  display: inline-block;
  font-size: 10.5px;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: var(--r-btn);
  background: var(--surface-2);
  color: var(--accent-strong);
}
.g-info h3 { font-size: 1.35rem; font-weight: 800; margin: 12px 0 10px; }
.g-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.g-meta span {
  font-size: 11.5px;
  font-family: var(--mono);
  color: var(--text-dim);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  padding: 3px 11px;
}
.g-info p { font-size: 13.5px; color: var(--text-dim); line-height: 1.75; max-width: 72ch; }
.g-links { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

/* ════════════ 工具页：视图切换 / 最近 / 置顶星 / 复制 ════════════ */
.tools-toolbar { flex-direction: row; flex-wrap: wrap; align-items: flex-start; gap: 14px; }
.tools-toolbar-right { flex: 1; min-width: 260px; }
.view-toggle {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  margin-bottom: 10px;
}
.vt-btn {
  display: grid;
  place-items: center;
  width: 34px;
  height: 28px;
  border: none;
  border-radius: 7px;
  background: none;
  color: var(--text-faint);
  transition: color 0.15s, background 0.15s;
}
.vt-btn svg { width: 15px; height: 15px; }
.vt-btn:hover { color: var(--text); }
.vt-btn.active { background: var(--surface); color: var(--accent); box-shadow: 0 1px 4px rgba(16, 44, 110, 0.12); }
.tools-recent { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 18px; }
.recent-label { font-size: 11.5px; color: var(--text-faint); font-family: var(--mono); }
.recent-chip {
  font-size: 12.5px;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 14px;
  transition: color 0.15s, border-color 0.15s;
}
.recent-chip:hover { color: var(--accent); border-color: var(--accent-border); }
.tool-pin, .tool-copy {
  position: absolute;
  top: 16px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-light);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text-faint);
  font-size: 13px;
  line-height: 1;
  z-index: 3;
  opacity: 0;
  transition: opacity 0.2s, color 0.15s, border-color 0.15s;
}
.tool-card:hover .tool-pin, .tool-card:hover .tool-copy,
.tool-pin.on, .tool-pin:focus-visible, .tool-copy:focus-visible { opacity: 1; }
.tool-pin { right: 48px; }
.tool-copy { right: 16px; }
.tool-pin:hover, .tool-pin.on { color: #f5a623; border-color: #f5a623; }
.tool-copy:hover { color: var(--accent); border-color: var(--accent); }
body.edit-mode .tool-pin { right: 80px; }
body.edit-mode .tool-copy { right: 48px; }
body.edit-mode .tool-edit { right: 16px; }
/* 列表视图：卡片横向压扁 */
body.tools-list-view .tool-grid { grid-template-columns: 1fr; gap: 10px; }
body.tools-list-view .tool-card {
  flex-direction: row;
  align-items: center;
  gap: 16px;
  padding: 12px 18px;
}
body.tools-list-view .tool-card .tool-top { margin-bottom: 0; }
body.tools-list-view .tool-card .tool-ic { width: 34px; height: 34px; }
body.tools-list-view .tool-card h3 { font-size: 0.95rem; margin: 0 0 2px; white-space: nowrap; }
body.tools-list-view .tool-card .tool-desc { display: none; }
body.tools-list-view .tool-card .tool-stack { display: none; }
body.tools-list-view .tool-card .tool-backend-note { display: none; }
body.tools-list-view .tool-card .tool-go { margin-left: auto; flex: none; }
body.tools-list-view .tool-card .tool-ext { position: static; margin-left: 8px; }
body.tools-list-view .tool-add-card { min-height: 64px; }
@media (max-width: 640px) {
  body.tools-list-view .tool-card h3 { white-space: normal; }
}

/* ════════════ 快捷键帮助层 ════════════ */
.help-ov {
  position: fixed; inset: 0; z-index: 320;
  background: var(--overlay-bg, rgba(10, 20, 40, 0.5));
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: overlayIn 0.2s var(--ease);
}
.help-ov[hidden] { display: none; }
.help-panel {
  width: min(400px, 100%);
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  animation: popIn 0.22s var(--ease);
}
.help-title { font-size: 14px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.help-title kbd { margin-left: auto; font-weight: 400; }
.help-list { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.help-list li {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--text-dim);
  padding: 8px 10px; border-radius: var(--radius-sm);
}
.help-list li:hover { background: var(--surface-2); }
kbd {
  font-family: var(--mono); font-size: 11px;
  color: var(--text);
  border: 1px solid var(--border-light);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 2px 7px;
  background: var(--surface-2);
}
.kbd-row { display: inline-flex; gap: 4px; align-items: center; }
.help-tip { margin-top: 12px; font-size: 11.5px; color: var(--text-faint); text-align: center; }

/* ════════════ 页脚摸鱼彩蛋 ════════════ */
.fish-btn {
  border: none; background: none; color: var(--text-dim);
  font: inherit; font-size: inherit;
  cursor: pointer;
  transition: color 0.2s;
}
.fish-btn:hover { color: var(--accent); }
.fish-btn b { color: var(--accent); font-family: var(--mono); padding: 0 2px; }

/* ════════════ 移动端底部导航 ════════════ */
.bottom-nav { display: none; }
@media (max-width: 880px) {
  .bottom-nav {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 150;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--nav-bg-solid);
    backdrop-filter: blur(14px);
    border-top: 1px solid var(--border);
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  }
  .bn-item {
    display: flex; flex-direction: column; align-items: center; gap: 3px;
    padding: 6px 0 4px;
    border-radius: var(--radius-sm);
    color: var(--text-faint);
    font-size: 10.5px;
    transition: color 0.2s;
  }
  .bn-item svg { width: 21px; height: 21px; }
  .bn-item.active { color: var(--accent); }
  body { padding-bottom: 64px; }
  .tool-overlay { padding: 10px; padding-bottom: 70px; }
  .g-main { grid-template-columns: 1fr; gap: 10px; }
  .g-arrow { display: none; }
  .g-media { min-height: 210px; }
  .g-info { padding: 18px; }
  .tools-toolbar { flex-direction: column; }
}

/* ════════════ 页面切换过渡（View Transition API） ════════════ */
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root) { animation: vtOut 0.18s var(--ease) both; }
  ::view-transition-new(root) { animation: vtIn 0.22s var(--ease) both; }
}
@keyframes vtOut { to { opacity: 0; transform: translateY(-6px); } }
@keyframes vtIn { from { opacity: 0; transform: translateY(8px); } }