/* ==========================================================================
   茗羊工具站 · 设计系统
   主题：晨雾茶山（浅色）/ 夜茶（深色）· 毛玻璃界面
   字体：系统中文字体栈 + 宋体做品牌字（不加载 Web 字体，保证首屏速度）
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  color-scheme: light;

  /* 品牌色：苔绿 + 茶金 */
  --accent: #2f6b4f;
  --accent-hover: #26583f;
  --accent-active: #1e4a35;
  --accent-soft: rgba(47, 107, 79, 0.12);
  --accent-softer: rgba(47, 107, 79, 0.07);
  --accent-contrast: #f4fbf6;
  --gold: #a9791f;
  --gold-soft: rgba(169, 121, 31, 0.14);

  /* 中性色：偏茶的冷绿灰 */
  --bg: #e9f0e7;
  --bg-2: #dfe9dc;
  --bg-3: #d3e0d0;
  --text: #16241b;
  --text-2: #44604f;
  --text-3: #6e8577;
  --text-inverse: #f6fbf7;

  /* 玻璃面 */
  --glass: rgba(255, 255, 255, 0.58);
  --glass-strong: rgba(255, 255, 255, 0.82);
  --glass-soft: rgba(255, 255, 255, 0.36);
  --glass-border: rgba(255, 255, 255, 0.7);
  --glass-border-strong: rgba(255, 255, 255, 0.9);
  --glass-inner: rgba(255, 255, 255, 0.5);
  --blur: 22px;
  --blur-heavy: 30px;

  /* 语义色 */
  --ok: #2e7d5a;
  --warn: #a8691b;
  --err: #b4453c;
  --ok-soft: rgba(46, 125, 90, 0.12);
  --warn-soft: rgba(168, 105, 27, 0.14);
  --err-soft: rgba(180, 69, 60, 0.12);

  /* 线条 / 分隔 */
  --line: rgba(22, 36, 27, 0.1);
  --line-strong: rgba(22, 36, 27, 0.18);

  /* 阴影：玻璃浮层使用 */
  --shadow-sm: 0 1px 2px rgba(22, 36, 27, 0.06), 0 4px 12px rgba(22, 36, 27, 0.05);
  --shadow-md: 0 2px 6px rgba(22, 36, 27, 0.06), 0 14px 34px rgba(22, 36, 27, 0.1);
  --shadow-lg: 0 8px 24px rgba(22, 36, 27, 0.1), 0 28px 64px rgba(22, 36, 27, 0.14);
  --shadow-focus: 0 0 0 3px rgba(47, 107, 79, 0.28);
  --ring: rgba(47, 107, 79, 0.42);

  /* 圆角 */
  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 999px;

  /* 间距（4px 基准） */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-7: 32px;
  --s-8: 40px;
  --s-9: 56px;
  --s-10: 72px;
  --s-11: 96px;

  /* 字号 */
  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-base: 15px;
  --fs-md: 16px;
  --fs-lg: 18px;
  --fs-xl: 22px;
  --fs-2xl: 28px;
  --fs-3xl: 36px;
  --fs-4xl: 48px;

  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei",
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "SimSun",
    Georgia, serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  --lh-tight: 1.18;
  --lh-snug: 1.4;
  --lh-normal: 1.62;
  --lh-relaxed: 1.78;

  --ease: cubic-bezier(0.33, 0.02, 0, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --dur-fast: 130ms;
  --dur: 200ms;
  --dur-slow: 320ms;

  --container: 1180px;
  --container-narrow: 860px;
  --header-h: 64px;
}

[data-theme="dark"] {
  color-scheme: dark;

  --accent: #7cc79a;
  --accent-hover: #96d9b0;
  --accent-active: #aee3c4;
  --accent-soft: rgba(124, 199, 154, 0.16);
  --accent-softer: rgba(124, 199, 154, 0.09);
  --accent-contrast: #0d1a12;
  --gold: #e0b168;
  --gold-soft: rgba(224, 177, 104, 0.16);

  --bg: #0c1411;
  --bg-2: #111c17;
  --bg-3: #17261f;
  --text: #e8f1e9;
  --text-2: #adc0b2;
  --text-3: #7e9387;

  --glass: rgba(23, 35, 29, 0.58);
  --glass-strong: rgba(28, 42, 35, 0.86);
  --glass-soft: rgba(23, 35, 29, 0.34);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-strong: rgba(255, 255, 255, 0.16);
  --glass-inner: rgba(255, 255, 255, 0.06);

  --ok: #7cc79a;
  --warn: #e0b168;
  --err: #ef8d84;
  --ok-soft: rgba(124, 199, 154, 0.14);
  --warn-soft: rgba(224, 177, 104, 0.14);
  --err-soft: rgba(239, 141, 132, 0.14);

  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.18);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 14px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.4), 0 16px 40px rgba(0, 0, 0, 0.42);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.48), 0 32px 72px rgba(0, 0, 0, 0.55);
  --shadow-focus: 0 0 0 3px rgba(124, 199, 154, 0.32);
  --ring: rgba(124, 199, 154, 0.5);

  /* 分类色在深色下提亮 */
  --cat-text: #7cc79a;
  --cat-codec: #82b6e8;
  --cat-data: #b39ae0;
  --cat-time: #e0b168;
  --cat-convert: #6fc6b8;
  --cat-dev: #9aa8e8;
  --cat-life: #e79a9a;
  --cat-image: #d8a06a;
}

/* 分类强调色（浅色） */
:root {
  --cat-text: #2f6b4f;
  --cat-codec: #2f5d8c;
  --cat-data: #66489a;
  --cat-time: #8a6416;
  --cat-convert: #1f6a61;
  --cat-dev: #3f4c96;
  --cat-life: #9c4148;
  --cat-image: #8a5a25;
}

/* ---------- 2. Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--s-4));
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "tnum" 0;
  overflow-x: hidden;
}

/* 背景：茶山晨雾（纯 CSS，无图片请求） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(58% 42% at 12% 0%, rgba(124, 176, 132, 0.5) 0%, transparent 62%),
    radial-gradient(48% 40% at 88% 8%, rgba(214, 196, 132, 0.42) 0%, transparent 60%),
    radial-gradient(60% 48% at 78% 82%, rgba(96, 148, 128, 0.38) 0%, transparent 64%),
    radial-gradient(52% 44% at 18% 78%, rgba(146, 178, 140, 0.4) 0%, transparent 62%),
    linear-gradient(168deg, var(--bg) 8%, var(--bg-2) 52%, var(--bg-3) 100%);
}

[data-theme="dark"] body::before {
  background:
    radial-gradient(58% 42% at 12% 0%, rgba(52, 96, 72, 0.55) 0%, transparent 62%),
    radial-gradient(48% 40% at 88% 8%, rgba(122, 96, 48, 0.3) 0%, transparent 60%),
    radial-gradient(60% 48% at 78% 82%, rgba(36, 72, 60, 0.5) 0%, transparent 64%),
    radial-gradient(52% 44% at 18% 78%, rgba(40, 68, 52, 0.5) 0%, transparent 62%),
    linear-gradient(168deg, var(--bg) 8%, var(--bg-2) 52%, var(--bg-3) 100%);
}

/* 细颗粒，让玻璃有质感 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  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' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: 0;
}

p {
  margin: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration: underline;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

::selection {
  background: var(--accent-soft);
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

/* 跳转链接 */
.skip-link {
  position: absolute;
  left: var(--s-4);
  top: -100px;
  z-index: 1000;
  padding: var(--s-2) var(--s-4);
  border-radius: var(--r-full);
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--blur));
  color: var(--text);
  transition: top var(--dur) var(--ease);
}

.skip-link:focus-visible {
  top: var(--s-3);
}

/* 通用容器 */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--s-5);
}

@media (max-width: 640px) {
  .container {
    padding-inline: var(--s-4);
  }
}

/* ---------- 3. 玻璃 ---------- */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md), inset 0 1px 0 var(--glass-inner);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.55);
  backdrop-filter: blur(var(--blur)) saturate(1.55);
}

.glass-strong {
  background: var(--glass-strong);
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--shadow-lg), inset 0 1px 0 var(--glass-inner);
  -webkit-backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
  backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
}

/* ---------- 4. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--glass-soft);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
  backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  flex: 0 0 auto;
}

.brand:hover {
  text-decoration: none;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--accent-contrast);
  background:
    linear-gradient(150deg, #3f7d5c 0%, #2f6b4f 52%, #25543d 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32), 0 4px 10px rgba(22, 36, 27, 0.22);
}

[data-theme="dark"] .brand__mark {
  background: linear-gradient(150deg, #9ad8b4 0%, #7cc79a 52%, #58a377 100%);
  color: #0d1a12;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  letter-spacing: 0.06em;
}

.brand__tag {
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.14em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--s-1);
  margin-left: var(--s-4);
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
}

.site-nav a {
  padding: 6px 10px;
  border-radius: var(--r-full);
  font-size: var(--fs-sm);
  color: var(--text-2);
  white-space: nowrap;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.site-nav a:hover {
  background: var(--accent-softer);
  color: var(--text);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  margin-left: auto;
  flex: 0 0 auto;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--glass-soft);
  color: var(--text-2);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur-fast) var(--ease);
}

.icon-btn:hover {
  background: var(--glass);
  color: var(--text);
  border-color: var(--line-strong);
}

.icon-btn:active {
  transform: scale(0.96);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .icon-moon,
[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  height: 36px;
  padding: 0 var(--s-3) 0 var(--s-3);
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--glass-soft);
  color: var(--text-3);
  cursor: pointer;
  font-size: var(--fs-sm);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.search-trigger:hover {
  background: var(--glass);
  color: var(--text-2);
  border-color: var(--line-strong);
}

.search-trigger svg {
  width: 16px;
  height: 16px;
}

.kbd {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px 6px;
  border-radius: var(--r-xs);
  border: 1px solid var(--line);
  background: var(--glass-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  line-height: 1.4;
}

.menu-btn {
  display: none;
}

/* 移动端导航 */
@media (max-width: 1024px) {
  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    margin: 0;
    padding: var(--s-3) var(--s-5) var(--s-4);
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: var(--glass-strong);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    -webkit-backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
    backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 10px 12px;
    border-radius: var(--r-sm);
    font-size: var(--fs-base);
  }

  .menu-btn {
    display: inline-grid;
  }

  .search-trigger .search-label,
  .search-trigger .kbd {
    display: none;
  }
}

/* ---------- 5. 按钮 / 表单 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 38px;
  padding: 0 var(--s-4);
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--glass-soft);
  color: var(--text);
  font-size: var(--fs-base);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    color var(--dur) var(--ease), transform var(--dur-fast) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.btn:hover {
  background: var(--glass);
  border-color: var(--line-strong);
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn--primary {
  border-color: transparent;
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: 0 1px 2px rgba(22, 36, 27, 0.18), 0 6px 16px rgba(47, 107, 79, 0.22);
}

.btn--primary:hover {
  background: var(--accent-hover);
  border-color: transparent;
}

.btn--primary:active {
  background: var(--accent-active);
}

.btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-2);
}

.btn--ghost:hover {
  background: var(--accent-softer);
  color: var(--text);
}

.btn--sm {
  min-height: 32px;
  padding: 0 var(--s-3);
  font-size: var(--fs-sm);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.field__label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-2);
}

.field__hint {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.input,
.textarea,
.select {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-strong);
  background: var(--glass-soft);
  color: var(--text);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--text-3);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--ring);
  background: var(--glass);
  box-shadow: var(--shadow-focus);
}

.textarea {
  min-height: 180px;
  resize: vertical;
  line-height: var(--lh-normal);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
}

.select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 34px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236e8577' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  cursor: pointer;
}

[data-theme="dark"] .select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237e9387' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}

/* 分段控件 */
.segmented {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--glass-soft);
}

.segmented button {
  min-height: 30px;
  padding: 0 var(--s-3);
  border: 0;
  border-radius: var(--r-full);
  background: transparent;
  color: var(--text-2);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.segmented button:hover {
  color: var(--text);
}

.segmented button[aria-pressed="true"] {
  background: var(--glass-strong);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

/* 开关 */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  cursor: pointer;
  font-size: var(--fs-sm);
  color: var(--text-2);
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.switch__track {
  width: 38px;
  height: 22px;
  border-radius: var(--r-full);
  background: var(--line-strong);
  transition: background-color var(--dur) var(--ease);
  flex: 0 0 auto;
}

.switch__track::after {
  content: "";
  display: block;
  width: 16px;
  height: 16px;
  margin: 3px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  transition: transform var(--dur) var(--ease-out);
}

.switch input:checked + .switch__track {
  background: var(--accent);
}

.switch input:checked + .switch__track::after {
  transform: translateX(16px);
}

.switch input:focus-visible + .switch__track {
  box-shadow: var(--shadow-focus);
}

/* 复选组 */
.check-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-4);
}

.check-row label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  color: var(--text-2);
  cursor: pointer;
}

.check-row input {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
}

/* ---------- 6. 首页 ---------- */
.hero {
  padding: var(--s-9) 0 var(--s-7);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--s-8);
  align-items: center;
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--s-6);
  }
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  margin-bottom: var(--s-4);
  font-size: var(--fs-sm);
  color: var(--text-2);
}

.hero__kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent);
  opacity: 0.7;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.22;
  max-width: 13em;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero__desc {
  margin-top: var(--s-4);
  max-width: 34em;
  color: var(--text-2);
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-5);
  margin-top: var(--s-5);
  font-size: var(--fs-sm);
  color: var(--text-3);
}

.hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero__meta svg {
  width: 15px;
  height: 15px;
  color: var(--accent);
}

.hero__panel {
  padding: var(--s-6);
  border-radius: var(--r-xl);
}

.hero__panel-title {
  font-size: var(--fs-sm);
  color: var(--text-3);
  margin-bottom: var(--s-3);
}

.hero-search {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: 6px 6px 6px var(--s-4);
  border-radius: var(--r-full);
  background: var(--glass-strong);
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--shadow-sm), inset 0 1px 0 var(--glass-inner);
}

.hero-search:focus-within {
  box-shadow: var(--shadow-focus), inset 0 1px 0 var(--glass-inner);
}

.hero-search svg {
  width: 18px;
  height: 18px;
  color: var(--text-3);
  flex: 0 0 auto;
}

.hero-search input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 8px 0;
  font-size: var(--fs-md);
  outline: none;
}

.hero-search .btn {
  flex: 0 0 auto;
  min-height: 34px;
  border-radius: var(--r-full);
  padding-inline: var(--s-4);
}

.hot-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-top: var(--s-4);
}

.hot-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--glass-soft);
  color: var(--text-2);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.hot-list a:hover {
  background: var(--glass);
  color: var(--text);
  border-color: var(--line-strong);
  text-decoration: none;
}

.hot-list a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.65;
}

/* 工具分类区块 */
.tool-section {
  padding: var(--s-6) 0 var(--s-2);
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--line);
}

.section-head h2 {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  letter-spacing: 0.03em;
}

.section-head .count {
  font-size: var(--fs-sm);
  color: var(--text-3);
}

.section-head .more {
  margin-left: auto;
  font-size: var(--fs-sm);
  color: var(--text-2);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-3);
}

@media (max-width: 960px) {
  .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }
}

.tool-card {
  display: flex;
  gap: var(--s-3);
  padding: var(--s-4);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--glass-soft);
  color: inherit;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.tool-card:hover {
  background: var(--glass);
  border-color: var(--glass-border);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
  text-decoration: none;
}

.tool-card:active {
  transform: translateY(0);
}

.tool-card__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 12px;
  color: var(--cat, var(--accent));
  background: color-mix(in srgb, var(--cat, var(--accent)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--cat, var(--accent)) 22%, transparent);
}

.tool-card__icon svg {
  width: 20px;
  height: 20px;
}

.tool-card__body {
  min-width: 0;
}

.tool-card__name {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
}

.tool-card__desc {
  margin-top: 2px;
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: var(--lh-snug);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cat-text { --cat: var(--cat-text); }
.cat-codec { --cat: var(--cat-codec); }
.cat-data { --cat: var(--cat-data); }
.cat-time { --cat: var(--cat-time); }
.cat-convert { --cat: var(--cat-convert); }
.cat-dev { --cat: var(--cat-dev); }
.cat-life { --cat: var(--cat-life); }
.cat-image { --cat: var(--cat-image); }

/* 广告位 */
.ad-slot {
  margin: var(--s-6) 0;
  padding: var(--s-3);
  border-radius: var(--r-md);
  border: 1px dashed var(--line-strong);
  background: var(--glass-soft);
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--text-3);
  letter-spacing: 0.08em;
}

.ad-slot ins,
.ad-slot iframe,
.ad-slot img {
  max-width: 100%;
}

.ad-slot--inline {
  min-height: 74px;
  margin: var(--s-5) 0;
}

.ad-slot--rail {
  min-height: 260px;
}

/* ---------- 7. 工具页 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: var(--s-5) 0 0;
  font-size: var(--fs-sm);
  color: var(--text-3);
}

.breadcrumb a {
  color: var(--text-2);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--accent);
  text-decoration: none;
}

.breadcrumb .sep {
  opacity: 0.5;
}

.page-head {
  padding: var(--s-4) 0 var(--s-5);
}

.page-head h1 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.4vw, 34px);
  letter-spacing: 0.02em;
}

.page-head__lead {
  margin-top: var(--s-2);
  max-width: 46em;
  color: var(--text-2);
}

.page-head__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-top: var(--s-3);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--glass-soft);
  font-size: var(--fs-xs);
  color: var(--text-2);
}

.badge svg {
  width: 13px;
  height: 13px;
  color: var(--accent);
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--s-6);
  align-items: start;
  padding-bottom: var(--s-8);
}

@media (max-width: 1000px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }
}

.tool-panel {
  padding: var(--s-5);
  border-radius: var(--r-lg);
}

@media (max-width: 600px) {
  .tool-panel {
    padding: var(--s-4);
  }
}

.tool-panel + .tool-panel {
  margin-top: var(--s-4);
}

.tool-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  margin-bottom: var(--s-3);
}

.tool-panel__title {
  font-size: var(--fs-md);
  font-weight: 600;
}

.tool-panel__actions {
  display: flex;
  gap: var(--s-2);
}

.tool-result {
  min-height: 180px;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  white-space: pre-wrap;
  word-break: break-word;
}

.result-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-4);
  margin-top: var(--s-2);
  font-size: var(--fs-sm);
  color: var(--text-2);
}

.result-stats b {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 160px;
  padding: var(--s-5);
  border-radius: var(--r-md);
  border: 1px dashed var(--line-strong);
  color: var(--text-3);
  text-align: center;
  font-size: var(--fs-sm);
}

.side-card {
  padding: var(--s-4);
  border-radius: var(--r-lg);
}

.side-card + .side-card {
  margin-top: var(--s-4);
}

.side-card h2,
.side-card h3 {
  font-size: var(--fs-sm);
  color: var(--text-2);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: var(--s-2);
}

.side-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.side-card li + li {
  border-top: 1px solid var(--line);
}

.side-card li a {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: 8px 0;
  font-size: var(--fs-sm);
  color: var(--text-2);
  text-decoration: none;
}

.side-card li a:hover {
  color: var(--accent);
  text-decoration: none;
}

.side-card li a svg {
  width: 15px;
  height: 15px;
  opacity: 0.7;
  flex: 0 0 auto;
}

/* 工具页 FAQ */
.faq {
  margin-top: var(--s-6);
}

.faq h2 {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  margin-bottom: var(--s-3);
}

.faq details {
  border-top: 1px solid var(--line);
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  cursor: pointer;
  font-size: var(--fs-base);
  font-weight: 500;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-size: 18px;
  color: var(--text-3);
  line-height: 1;
  transition: transform var(--dur) var(--ease);
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq p {
  padding: 0 0 var(--s-4);
  max-width: 62em;
  color: var(--text-2);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
}

/* ---------- 8. 分类页 ---------- */
.cat-hero {
  padding: var(--s-7) 0 var(--s-5);
}

.cat-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.6vw, 34px);
}

.cat-hero p {
  margin-top: var(--s-2);
  color: var(--text-2);
  max-width: 44em;
}

/* ---------- 9. 命令面板 ---------- */
.palette {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh var(--s-4) var(--s-4);
  background: rgba(12, 20, 17, 0.32);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.palette.is-open {
  display: flex;
  animation: fade-in var(--dur) var(--ease-out) both;
}

.palette__box {
  width: 100%;
  max-width: 620px;
  border-radius: var(--r-lg);
  overflow: hidden;
  animation: pop-in var(--dur) var(--ease-out) both;
}

.palette__search {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-4);
  border-bottom: 1px solid var(--line);
}

.palette__search svg {
  width: 18px;
  height: 18px;
  color: var(--text-3);
  flex: 0 0 auto;
}

.palette__search input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 6px 0;
  font-size: var(--fs-md);
  outline: none;
}

.palette__list {
  max-height: 52vh;
  overflow-y: auto;
  padding: var(--s-2);
  overscroll-behavior: contain;
}

.palette__group {
  padding: var(--s-2) var(--s-3) 4px;
  font-size: var(--fs-xs);
  color: var(--text-3);
  letter-spacing: 0.06em;
}

.palette__item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: 9px var(--s-3);
  border-radius: var(--r-sm);
  color: var(--text-2);
  cursor: pointer;
  text-decoration: none;
}

.palette__item:hover,
.palette__item[aria-selected="true"] {
  background: var(--accent-softer);
  color: var(--text);
  text-decoration: none;
}

.palette__item svg {
  width: 17px;
  height: 17px;
  color: var(--cat, var(--accent));
  flex: 0 0 auto;
}

.palette__item small {
  margin-left: auto;
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.palette__empty {
  padding: var(--s-6);
  text-align: center;
  color: var(--text-3);
  font-size: var(--fs-sm);
}

.palette__foot {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border-top: 1px solid var(--line);
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.palette__foot span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pop-in {
  from { opacity: 0; transform: translateY(-6px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---------- 10. Toast ---------- */
.toast-stack {
  position: fixed;
  left: 50%;
  bottom: var(--s-6);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  transform: translateX(-50%);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: 9px var(--s-4);
  border-radius: var(--r-full);
  background: var(--glass-strong);
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--shadow-md);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.5);
  backdrop-filter: blur(var(--blur)) saturate(1.5);
  font-size: var(--fs-sm);
  color: var(--text);
  animation: toast-in var(--dur) var(--ease-out) both;
}

.toast svg {
  width: 15px;
  height: 15px;
  color: var(--accent);
}

.toast.is-out {
  animation: toast-out var(--dur-fast) var(--ease) both;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* ---------- 11. 页脚 ---------- */
.site-footer {
  margin-top: var(--s-9);
  border-top: 1px solid var(--line);
  background: var(--glass-soft);
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
}

.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 0.7fr));
  gap: var(--s-6);
  padding: var(--s-7) 0 var(--s-5);
}

@media (max-width: 900px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .footer__inner {
    grid-template-columns: 1fr;
  }
}

.footer__brand p {
  margin-top: var(--s-3);
  max-width: 30em;
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: var(--lh-relaxed);
}

.footer__col h2 {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--s-2);
}

.footer__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__col a {
  display: inline-block;
  padding: 3px 0;
  font-size: var(--fs-sm);
  color: var(--text-2);
  text-decoration: none;
}

.footer__col a:hover {
  color: var(--accent);
  text-decoration: none;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-4);
  justify-content: space-between;
  padding: var(--s-4) 0 var(--s-6);
  border-top: 1px solid var(--line);
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.footer__bottom a {
  color: var(--text-3);
}

/* ---------- 12. 内容页 ---------- */
.prose {
  max-width: 72ch;
  padding: var(--s-7) 0 var(--s-9);
}

.prose h1 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.4vw, 34px);
  margin-bottom: var(--s-4);
}

.prose h2 {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  margin: var(--s-6) 0 var(--s-2);
}

.prose p {
  margin: 0 0 var(--s-3);
  color: var(--text-2);
  line-height: var(--lh-relaxed);
}

.prose ul {
  margin: 0 0 var(--s-3);
  padding-left: 1.2em;
  color: var(--text-2);
}

.prose li {
  margin: 4px 0;
}

.prose .updated {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

/* ---------- 13. 入场动效（单次、克制） ---------- */
.reveal {
  opacity: 0;
  transform: translateY(10px);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 520ms var(--ease-out), transform 520ms var(--ease-out);
}

@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;
    transform: none;
  }
}

/* ---------- 14. 工具通用小件 ---------- */
.inline-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--s-3);
}

.inline-row .field {
  flex: 1 1 160px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-4);
}

@media (max-width: 760px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-3);
}

@media (max-width: 760px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.divider {
  height: 1px;
  margin: var(--s-4) 0;
  background: var(--line);
}

.note {
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--accent-softer);
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: var(--lh-snug);
}

.note--warn {
  background: var(--warn-soft);
  border-color: color-mix(in srgb, var(--warn) 28%, transparent);
  color: var(--text-2);
}

.note--err {
  background: var(--err-soft);
  border-color: color-mix(in srgb, var(--err) 28%, transparent);
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
}

.muted {
  color: var(--text-3);
}

.tabular {
  font-variant-numeric: tabular-nums;
}

/* 迷你表格 */
.mini-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.mini-table th,
.mini-table td {
  padding: 7px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.mini-table th {
  color: var(--text-3);
  font-weight: 500;
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

.mini-table td {
  color: var(--text-2);
}

.mini-table td:last-child,
.mini-table th:last-child {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* 复制按钮的“已复制”态 */
.is-copied {
  color: var(--ok) !important;
  border-color: color-mix(in srgb, var(--ok) 35%, transparent) !important;
}

/* 隐藏 */
[hidden] {
  display: none !important;
}

/* ---------- 15. 工具模块通用工具类 ---------- */
.mt-2 { margin-top: var(--s-2); }
.mt-3 { margin-top: var(--s-3); }
.mt-4 { margin-top: var(--s-4); }
.mt-5 { margin-top: var(--s-5); }
.w-full { width: 100%; }
.text-right { text-align: right; }
.nowrap { white-space: nowrap; }
.swatch {
  display: inline-block;
  width: 100%;
  height: 64px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-strong);
}
.file-note {
  font-size: var(--fs-xs);
  color: var(--text-3);
}
.preview-img {
  display: block;
  max-width: 100%;
  max-height: 280px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
}

/* ---------- 16. 修正与细节 ---------- */
.section-head .more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.section-head .more svg {
  width: 14px;
  height: 14px;
}
.tool-card__icon svg { width: 19px; height: 19px; }
.hero h1 { text-wrap: balance; }
@media (min-width: 901px) {
  .hero__copy { padding-right: var(--s-4); }
}

/* ---------- 17. 每日名言 ---------- */
.hero__quote {
  max-width: 30em;
}
.hero__quote-text {
  display: block;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.85;
  color: var(--text);
  letter-spacing: 0.01em;
}
.hero__quote-author {
  display: block;
  margin-top: var(--s-2);
  font-size: var(--fs-sm);
  color: var(--text-3);
}
@media (max-width: 600px) {
  .hero__quote-text { font-size: 16px; }
}

/* 名言区域预留高度，避免随机切换造成布局跳动 */
.hero__quote { min-height: 86px; }
@media (max-width: 600px) {
  .hero__quote { min-height: 74px; }
}

/* ---------- 18. 小游戏 / 图片线稿 / 抽取结果 ---------- */
.game-canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--glass-soft);
  touch-action: manipulation;
  cursor: crosshair;
}
.result-hero {
  font-family: var(--font-serif);
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.3;
  letter-spacing: 0.04em;
}
.game-hud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-5);
  font-size: var(--fs-sm);
  color: var(--text-2);
}
.game-hud b {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 1240px) {
  .site-nav a {
    padding: 6px 7px;
    font-size: 12px;
  }
  .brand__tag {
    display: none;
  }
}

/* ---------- 19. 还款计划表 ---------- */
.schedule summary {
  cursor: pointer;
  padding: var(--s-2) 0;
  font-size: var(--fs-sm);
  color: var(--text-2);
}
.schedule-wrap {
  max-height: 420px;
  margin-top: var(--s-2);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}
.schedule-wrap .mini-table {
  margin: 0;
}
.schedule-wrap thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.schedule-wrap td {
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ---------- 20. 批量图片处理 ---------- */
.batch-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: var(--s-2);
  margin-top: var(--s-3);
}
.batch-preview:empty {
  display: none;
}
.batch-preview img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--glass-soft);
}

/* ---------- 21. 自定义背景 ---------- */
:root {
  --bg-overlay-color: #e9f0e7;
  --bg-overlay-alpha: 0;
}
[data-theme="dark"] {
  --bg-overlay-color: #0c1411;
}

.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.bg-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg-overlay-color);
  opacity: var(--bg-overlay-alpha, 0);
  transition: opacity var(--dur) var(--ease);
}

/* 预设背景：半透明渐变叠在基础底色上，明暗主题都好看 */
html[data-bg="mist"] .bg-layer {
  background-image:
    radial-gradient(60% 45% at 18% 8%, rgba(124, 176, 132, 0.35), transparent 62%),
    radial-gradient(50% 40% at 86% 12%, rgba(214, 196, 132, 0.3), transparent 60%);
}
.bg-swatch[data-bg="mist"] {
  background-image:
    radial-gradient(circle at 22% 22%, #cfe8d3, transparent 62%),
    linear-gradient(155deg, #e9f0e7, #d3e0d0);
}

html[data-bg="lake"] .bg-layer,
.bg-swatch[data-bg="lake"] {
  background-image:
    radial-gradient(58% 46% at 14% 10%, rgba(96, 170, 190, 0.5), transparent 64%),
    radial-gradient(52% 44% at 84% 16%, rgba(108, 196, 184, 0.4), transparent 62%),
    radial-gradient(62% 52% at 52% 92%, rgba(70, 132, 176, 0.42), transparent 66%);
}

html[data-bg="sunset"] .bg-layer,
.bg-swatch[data-bg="sunset"] {
  background-image:
    radial-gradient(56% 46% at 16% 10%, rgba(232, 168, 106, 0.55), transparent 64%),
    radial-gradient(54% 46% at 84% 14%, rgba(222, 128, 102, 0.42), transparent 62%),
    radial-gradient(60% 52% at 50% 92%, rgba(190, 120, 150, 0.38), transparent 66%);
}

html[data-bg="bamboo"] .bg-layer,
.bg-swatch[data-bg="bamboo"] {
  background-image:
    repeating-linear-gradient(114deg, rgba(64, 132, 88, 0.12) 0 2px, transparent 2px 26px),
    radial-gradient(58% 46% at 18% 8%, rgba(120, 180, 130, 0.4), transparent 62%),
    radial-gradient(56% 48% at 82% 90%, rgba(86, 150, 110, 0.32), transparent 64%);
}

html[data-bg="snow"] .bg-layer,
.bg-swatch[data-bg="snow"] {
  background-image:
    radial-gradient(58% 46% at 16% 10%, rgba(206, 228, 240, 0.55), transparent 64%),
    radial-gradient(54% 46% at 84% 14%, rgba(232, 240, 244, 0.5), transparent 62%),
    radial-gradient(62% 52% at 50% 92%, rgba(186, 214, 232, 0.42), transparent 66%);
}

html[data-bg="ink"] .bg-layer,
.bg-swatch[data-bg="ink"] {
  background-image:
    linear-gradient(135deg, rgba(70, 92, 104, 0.3), transparent 55%),
    radial-gradient(58% 46% at 80% 12%, rgba(120, 140, 150, 0.28), transparent 62%),
    radial-gradient(60% 52% at 18% 90%, rgba(86, 104, 116, 0.24), transparent 66%);
}

html[data-bg="night"] .bg-layer,
.bg-swatch[data-bg="night"] {
  background-image:
    radial-gradient(58% 46% at 16% 10%, rgba(34, 76, 60, 0.55), transparent 64%),
    radial-gradient(54% 46% at 84% 16%, rgba(126, 104, 62, 0.28), transparent 62%),
    radial-gradient(60% 52% at 50% 92%, rgba(30, 56, 48, 0.5), transparent 66%);
}
.bg-swatch[data-bg="night"] {
  background-image:
    radial-gradient(circle at 26% 24%, #2b5644, transparent 64%),
    linear-gradient(155deg, #16241d, #0c1411);
}

/* 自定义图片背景 */
html[data-bg="custom"] .bg-layer {
  background-image: var(--bg-image);
  filter: blur(var(--bg-blur, 0px)) saturate(1.04);
  transform: scale(1.06);
}

/* 背景设置面板 */
.sheet {
  position: fixed;
  inset: 0;
  z-index: 210;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 6vh var(--s-4);
  background: rgba(12, 20, 17, 0.38);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.sheet.is-open {
  display: flex;
  animation: fade-in var(--dur) var(--ease-out) both;
}
.sheet__box {
  width: 100%;
  max-width: 640px;
  max-height: 86vh;
  overflow: auto;
  border-radius: var(--r-xl);
  animation: pop-in var(--dur) var(--ease-out) both;
}
.sheet__head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--line);
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
}
.sheet__head h2 {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  letter-spacing: 0.04em;
}
.sheet__body {
  padding: var(--s-5);
}
.sheet__body .field__label {
  margin-bottom: var(--s-2);
  display: block;
}
.bg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: var(--s-2);
  margin-top: var(--s-2);
}
.bg-swatch {
  position: relative;
  aspect-ratio: 16 / 10;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background-size: cover;
  background-position: center;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur) var(--ease);
}
.bg-swatch:hover {
  transform: translateY(-1px);
}
.bg-swatch[aria-pressed="true"] {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.bg-swatch span {
  position: absolute;
  inset: auto 0 0 0;
  padding: 3px 6px;
  font-size: 11px;
  color: #fff;
  background: rgba(0, 0, 0, 0.38);
  text-align: center;
  letter-spacing: 0.04em;
}
.sheet__body .file-note {
  display: block;
  margin-top: var(--s-2);
}
@media (max-width: 600px) {
  .bg-grid {
    grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  }
}

/* ---------- 22. 深色主题可读性优化 ---------- */
/* 背景预设缩略图：统一垫一层浅色底，保证深色主题下也能看清预览 */
.bg-swatch {
  background-color: #e9f0e7;
}
.bg-swatch[data-bg="night"] {
  background-color: #0c1411;
}
.bg-swatch span {
  background: rgba(0, 0, 0, 0.46);
  font-weight: 500;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55);
}
[data-theme="dark"] .bg-swatch {
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45), inset 0 0 0 1px rgba(0, 0, 0, 0.25);
}
[data-theme="dark"] .bg-swatch[aria-pressed="true"] {
  outline-color: #7cc79a;
}
[data-theme="dark"] .bg-swatch:hover {
  border-color: rgba(255, 255, 255, 0.32);
}

/* 工具卡片前的分类图标：加深底色与描边，图标线加粗 */
[data-theme="dark"] .tool-card__icon {
  background: color-mix(in srgb, var(--cat, var(--accent)) 24%, transparent);
  border-color: color-mix(in srgb, var(--cat, var(--accent)) 42%, transparent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--cat, var(--accent)) 18%, transparent);
}
[data-theme="dark"] .tool-card__icon svg {
  stroke-width: 2.1;
}
[data-theme="dark"] .tool-card:hover .tool-card__icon {
  border-color: color-mix(in srgb, var(--cat, var(--accent)) 62%, transparent);
  background: color-mix(in srgb, var(--cat, var(--accent)) 30%, transparent);
}

/* 侧栏、命令面板、文件夹等小图标同样提亮 */
[data-theme="dark"] .side-card li a svg,
[data-theme="dark"] .palette__item svg,
[data-theme="dark"] .badge svg,
[data-theme="dark"] .hero-search svg {
  opacity: 1;
}
[data-theme="dark"] .side-card li a svg {
  stroke-width: 2;
  color: var(--cat, var(--accent));
}

/* 深色下按钮与输入框的边界更清楚 */
[data-theme="dark"] .btn:not(.btn--primary):not(.btn--ghost) {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
}
[data-theme="dark"] .input,
[data-theme="dark"] .textarea,
[data-theme="dark"] .select {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
}
[data-theme="dark"] .input:focus,
[data-theme="dark"] .textarea:focus,
[data-theme="dark"] .select:focus {
  background: rgba(255, 255, 255, 0.07);
}

/* 深色下分类色再提亮一档，图标与描边更清晰 */
[data-theme="dark"] {
  --cat-text: #8fd9ad;
  --cat-codec: #9cc9f2;
  --cat-data: #c3aef2;
  --cat-time: #edc078;
  --cat-convert: #82d6c8;
  --cat-dev: #aeb9f2;
  --cat-life: #f2a7a7;
  --cat-image: #e6b07a;
}
[data-theme="dark"] .tool-card__icon {
  color: color-mix(in srgb, var(--cat, var(--accent)) 52%, white);
  background: color-mix(in srgb, var(--cat, var(--accent)) 26%, transparent);
  border-color: color-mix(in srgb, var(--cat, var(--accent)) 55%, transparent);
  box-shadow: 0 0 16px color-mix(in srgb, var(--cat, var(--accent)) 22%, transparent);
}
[data-theme="dark"] .tool-card__icon svg {
  stroke-width: 2.2;
  filter: drop-shadow(0 0 3px color-mix(in srgb, var(--cat, var(--accent)) 40%, transparent));
}
[data-theme="dark"] .tool-card:hover .tool-card__icon {
  color: color-mix(in srgb, var(--cat, var(--accent)) 35%, white);
  border-color: color-mix(in srgb, var(--cat, var(--accent)) 70%, transparent);
  background: color-mix(in srgb, var(--cat, var(--accent)) 32%, transparent);
}
[data-theme="dark"] .palette__item svg,
[data-theme="dark"] .side-card li a svg {
  color: color-mix(in srgb, var(--cat, var(--accent)) 60%, white);
  filter: drop-shadow(0 0 2px color-mix(in srgb, var(--cat, var(--accent)) 35%, transparent));
}

/* ---------- 23. 手机端 UI 编排 ---------- */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  -webkit-tap-highlight-color: transparent;
}

/* 移动端导航遮罩与标题（桌面隐藏） */
.nav-backdrop {
  display: none;
}
.site-nav__head {
  display: none;
}
.site-header.is-scrolled {
  box-shadow: 0 1px 0 var(--line), 0 8px 24px rgba(18, 34, 25, 0.06);
}

@media (max-width: 1024px) {
  body.nav-open {
    overflow: hidden;
  }
  .nav-backdrop {
    display: block;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: 98;
    background: rgba(12, 20, 17, 0.34);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    animation: fade-in var(--dur) var(--ease) both;
  }
  .nav-backdrop[hidden] {
    display: none;
  }
  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99;
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin: 0;
    padding: 10px 14px calc(24px + env(safe-area-inset-bottom));
    overflow-y: auto;
    overscroll-behavior: contain;
    border: 0;
    border-top: 1px solid var(--line);
    background: var(--glass-strong);
    -webkit-backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
    backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
      visibility var(--dur) var(--ease);
  }
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
  .site-nav__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
    padding: 4px 6px 10px;
    border-bottom: 1px solid var(--line);
    font-size: 12px;
    letter-spacing: 0.16em;
    color: var(--text-3);
  }
  .site-nav__head .icon-btn {
    width: 38px;
    height: 38px;
  }
  .site-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 50px;
    padding: 0 12px;
    border-radius: 12px;
    font-size: 16px;
    color: var(--text);
  }
  .site-nav a::after {
    content: "›";
    font-size: 20px;
    line-height: 1;
    color: var(--text-3);
  }
  .site-nav a[aria-current="page"] {
    background: var(--accent-soft);
    color: var(--accent);
  }
  .site-nav a:hover {
    background: var(--accent-softer);
  }
}

@media (max-width: 760px) {
  :root {
    --header-h: 56px;
  }
  .container {
    padding-inline: 14px;
  }

  /* 顶栏：更紧凑，图标保持 42px 触控面积 */
  .site-header__inner {
    gap: 8px;
  }
  .brand {
    gap: 8px;
  }
  .brand__mark {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    font-size: 17px;
  }
  .brand__name {
    font-size: 18px;
    letter-spacing: 0.05em;
  }
  .brand__tag {
    display: none;
  }
  .header-actions {
    gap: 6px;
  }
  .icon-btn {
    width: 42px;
    height: 42px;
  }
  .icon-btn svg {
    width: 19px;
    height: 19px;
  }
  .search-trigger {
    width: 42px;
    height: 42px;
    justify-content: center;
    padding: 0;
  }
  .search-trigger .search-label,
  .search-trigger .kbd {
    display: none;
  }

  /* 首页 hero：收紧留白，让工具更早出现 */
  .hero {
    padding: 24px 0 16px;
  }
  .hero__grid {
    gap: 18px;
  }
  .hero h1 {
    font-size: clamp(28px, 8.4vw, 34px);
    line-height: 1.24;
  }
  .hero__desc {
    margin-top: 10px;
  }
  .hero__quote {
    min-height: 0;
    margin-top: 10px;
  }
  .hero__quote-text {
    font-size: 15px;
    line-height: 1.6;
  }
  .hero__quote-author {
    font-size: 12px;
  }
  .hero__panel {
    padding: 16px;
    border-radius: var(--r-lg);
  }
  .hero__panel-title {
    font-size: 13px;
  }
  .hero-search {
    height: 46px;
    padding: 0 6px 0 14px;
  }
  .hero-search input {
    font-size: 16px;
  }
  .hero-search .btn {
    min-height: 34px;
    padding: 0 14px;
    font-size: 14px;
  }
  .hot-list {
    gap: 8px;
    margin-top: 12px;
  }
  .hot-list a {
    min-height: 34px;
    padding: 0 12px;
    font-size: 13px;
  }

  /* 首页分区与卡片 */
  .tool-section {
    padding: 24px 0 var(--s-2);
  }
  .section-head {
    margin-bottom: 12px;
    padding-bottom: 10px;
  }
  .section-head h2 {
    font-size: 20px;
  }
  .section-head .count,
  .section-head .more {
    font-size: 12.5px;
  }
  .tool-grid {
    gap: 10px;
  }
  .tool-card {
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
  }
  .tool-card__icon {
    width: 38px;
    height: 38px;
    border-radius: 11px;
  }
  .tool-card__name {
    font-size: 15px;
  }
  .tool-card__desc {
    font-size: 12.5px;
    line-height: 1.5;
  }
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* 面包屑与页面标题 */
  .breadcrumb {
    margin: 10px 0 0;
    font-size: 12px;
    flex-wrap: wrap;
    gap: 4px;
  }
  .page-head {
    padding: 10px 0 12px;
  }
  .page-head h1 {
    font-size: 26px;
  }
  .page-head__lead {
    margin-top: 6px;
    font-size: 13px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .cat-hero {
    padding: 12px 0 14px;
  }
  .cat-hero h1 {
    font-size: 28px;
  }
  .cat-hero p {
    margin-top: 6px;
    font-size: 13px;
    line-height: 1.6;
  }

  /* 工具操作区 */
  .tool-layout {
    gap: 16px;
    padding-bottom: 32px;
  }
  .tool-panel {
    padding: 14px;
    border-radius: var(--r-lg);
  }
  .tool-panel + .tool-panel {
    margin-top: 12px;
  }
  .tool-panel__title {
    font-size: 15px;
  }
  .field {
    gap: 6px;
  }
  .field__label {
    font-size: 13px;
  }
  .input,
  .textarea,
  .select {
    font-size: 16px;
    min-height: 44px;
  }
  .textarea {
    min-height: 200px;
    line-height: 1.6;
  }
  .inline-row {
    flex-wrap: wrap;
    gap: 10px;
  }
  .inline-row > .field {
    flex: 1 1 150px;
    min-width: 0;
  }
  .btn {
    min-height: 44px;
    padding: 0 16px;
  }
  .btn--sm {
    min-height: 38px;
  }
  .btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .btn-row .btn {
    flex: 1 1 auto;
  }
  .btn-row .btn--primary {
    flex: 1 1 100%;
  }
  .segmented {
    width: 100%;
  }
  .segmented button {
    flex: 1;
    min-height: 38px;
  }
  label:has(> input[type="checkbox"]),
  label:has(> input[type="radio"]) {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
  }
  input[type="checkbox"],
  input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent);
  }
  input[type="range"] {
    height: 30px;
  }
  .result-hero {
    font-size: clamp(22px, 7vw, 30px);
  }
  .result-stats {
    gap: 6px 16px;
    font-size: 13px;
  }
  .faq summary {
    display: flex;
    align-items: center;
    min-height: 44px;
    font-size: 14px;
  }
  .side-card {
    padding: 14px 16px;
    border-radius: var(--r-md);
  }
  .side-card h2 {
    font-size: 15px;
  }
  .side-card li a {
    min-height: 40px;
  }
  .tool-panel table,
  .mini-table {
    min-width: 520px;
  }
  .schedule-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
  }

  /* 页脚与提示 */
  .site-footer {
    padding-bottom: calc(var(--s-5) + env(safe-area-inset-bottom));
  }
  .footer__inner {
    gap: 20px;
  }
  .footer__bottom {
    padding: 14px 0 calc(28px + env(safe-area-inset-bottom));
    font-size: 11.5px;
    gap: 6px 12px;
  }
  .toast-stack {
    bottom: calc(16px + env(safe-area-inset-bottom));
  }
  .toast {
    max-width: calc(100vw - 28px);
  }

  /* 搜索面板：底部抽屉 */
  .palette {
    align-items: flex-end;
    padding: 0;
  }
  .palette__box {
    width: 100%;
    max-width: none;
    border-radius: 18px 18px 0 0;
    max-height: 88dvh;
    padding-bottom: env(safe-area-inset-bottom);
  }
  .palette__search {
    height: 56px;
    padding: 0 8px 0 16px;
  }
  .palette__search input {
    font-size: 16px;
  }
  .palette__search .kbd {
    display: none;
  }
  .palette__close {
    display: inline-grid;
    flex: 0 0 auto;
  }
  .palette__list {
    max-height: calc(88dvh - 56px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .palette__item {
    min-height: 52px;
  }
  .palette__foot {
    display: none;
  }

  /* 背景设置：底部抽屉 */
  .sheet {
    align-items: flex-end;
    padding: 0;
  }
  .sheet__box {
    width: 100%;
    max-width: none;
    max-height: 92dvh;
    border-radius: 18px 18px 0 0;
  }
  .sheet__head {
    padding: 14px 16px;
  }
  .sheet__head h2 {
    font-size: 18px;
  }
  .sheet__body {
    padding: 14px 16px calc(20px + env(safe-area-inset-bottom));
  }
  .bg-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
  .bg-swatch {
    border-radius: 10px;
  }
  .bg-swatch span {
    padding: 4px 2px;
    font-size: 11px;
  }
  .sheet .btn-row .btn {
    flex: 1 1 auto;
  }
  .sheet .file-note {
    font-size: 11.5px;
    line-height: 1.6;
  }
}

@media (max-width: 380px) {
  .brand__name {
    font-size: 17px;
  }
  .icon-btn,
  .search-trigger {
    width: 40px;
    height: 40px;
  }
  .hero h1 {
    font-size: 27px;
  }
}

@media (min-width: 761px) {
  .palette__close {
    display: none;
  }
}

/* 移动端导航抽屉：header 有 backdrop-filter，fixed 会被 header 当作包含块，改用 absolute + 视口高度 */
@media (max-width: 1024px) {
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: auto;
    height: calc(100vh - var(--header-h));
    height: calc(100dvh - var(--header-h));
    max-height: none;
  }
}

/* 手机端表单行：一律纵向排列，避免两个字段挤在一起把选项挤成竖排 */
@media (max-width: 760px) {
  .inline-row {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .inline-row > .field,
  .inline-row .field {
    flex: 0 0 auto;
    width: 100%;
    min-width: 0;
  }
  .check-row {
    gap: 4px 18px;
  }
  .check-row label {
    font-size: 13.5px;
  }
}

/* 表格容器：grid 子项 min-width:auto 会被表格撑开整页，这里强制收缩 */
@media (max-width: 1000px) {
  .tool-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .tool-layout > * {
    min-width: 0;
  }
}
@media (max-width: 760px) {
  .tool-panel {
    min-width: 0;
  }
  .schedule-wrap {
    max-width: 100%;
    max-height: 56vh;
  }
  .schedule-wrap .mini-table {
    min-width: 0;
    width: 100%;
  }
  .schedule-wrap th,
  .schedule-wrap td {
    padding: 6px 4px;
    font-size: 11.5px;
    white-space: nowrap;
  }
}

/* ---------- 24. 时间与天气 ---------- */
.today {
  display: inline-flex;
  align-items: center;
  gap: var(--s-4);
  margin-top: var(--s-5);
  padding: 10px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--glass-soft);
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
}
.today__clock {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-right: var(--s-4);
  border-right: 1px solid var(--line);
}
.today__time {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}
.today__date {
  font-size: 12px;
  color: var(--text-3);
}
.today__weather {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  border-radius: var(--r-sm);
}
.today__weather:hover .today__city,
.today__weather:focus-visible .today__city {
  color: var(--accent);
}
.today__weather:active {
  transform: scale(0.99);
}
.today__icon {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  color: var(--accent);
  background: var(--accent-soft);
}
.today__icon svg {
  width: 22px;
  height: 22px;
}
.today__icon-item[hidden] {
  display: none;
}
.today__body {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.today__temp {
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}
.today__meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 12px;
}
.today__city {
  color: var(--text-2);
}
.today__desc {
  color: var(--text-3);
}
.today__arrow {
  display: grid;
  place-items: center;
  margin-left: 2px;
  color: var(--text-3);
}
.today__arrow svg {
  width: 15px;
  height: 15px;
}

/* 天气设置面板 */
.today-current {
  padding: 16px 16px 14px;
  margin-bottom: var(--s-4);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass-soft);
  text-align: center;
}
.today-current__city {
  font-size: 13px;
  color: var(--text-2);
}
.today-current__temp {
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 600;
  line-height: 1.15;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.today-current__desc {
  font-size: 13px;
  color: var(--text-3);
}
.today-detail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.today-detail li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.today-detail span {
  font-size: 11px;
  color: var(--text-3);
}
.today-detail b {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.today-results {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}
.today-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--glass-soft);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}
.today-result:hover {
  background: var(--glass);
  border-color: var(--line-strong);
}
.today-result b {
  font-size: 14px;
  font-weight: 600;
}
.today-result span {
  font-size: 12px;
  color: var(--text-3);
}
.today-results__empty {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--text-3);
}

@media (max-width: 760px) {
  .today {
    display: flex;
    width: 100%;
    gap: 12px;
    margin-top: 14px;
    padding: 10px 12px;
  }
  .today__clock {
    flex: 0 0 auto;
    padding-right: 12px;
  }
  .today__time {
    font-size: 18px;
  }
  .today__weather {
    flex: 1 1 auto;
  }
  .today__icon {
    width: 34px;
    height: 34px;
  }
  .today__temp {
    font-size: 18px;
  }
  .today__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 1px;
  }
  .today__arrow {
    margin-left: auto;
  }
  .today-detail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 25. 文本去重 · 重复项 ---------- */
.dup-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.dup-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  padding: 5px 10px;
  border-radius: var(--r-full);
  border: 1px solid var(--line-strong);
  background: var(--glass-soft);
  font-size: 13px;
  color: var(--text);
}
.dup-chip > span {
  max-width: min(240px, 60vw);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dup-chip b {
  flex: 0 0 auto;
  color: var(--accent);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.dup-more {
  align-self: center;
  font-size: 12px;
  color: var(--text-3);
}