/* ============================================================
   Clash for Windows 下载站 · base.css
   风格:「视窗即品牌」—— Windows 11 / Fluent 质感浅色站
   页面 = 桌面壁纸,内容 = 一扇扇圆角窗口(标题栏 + 三颗窗控钮)
   所有颜色/阴影/圆角只允许出现在 :root 设计令牌里
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root {
  /* 桌面壁纸(页面底) */
  --sky: #EFF3F6;                       /* 中性浅灰,冷倾向 */
  --sky-top: #F6F9FB;                   /* 壁纸顶部提亮 */
  --bloom-cool: rgba(11, 135, 172, .11);/* 壁纸青色光斑 */
  --bloom-warm: rgba(244, 176, 102, .12);/* 壁纸暖色光斑 */

  /* 窗口与面板三档层次 */
  --card: #FFFFFF;                      /* 窗口主体(第一档) */
  --card-2: #F5F8FA;                    /* Mica 次级面板(第二档) */
  --card-tint: #E9F5F9;                 /* 强调水洗底(第三档) */

  /* 线与玻璃 */
  --hairline: #DCE3E9;                  /* 1px 描边 */
  --hairline-soft: #E8EDF2;             /* 更浅分隔线 */
  --glass: rgba(246, 249, 251, .82);    /* 顶栏亚克力 */

  /* 文字 */
  --ink: #1B2733;
  --ink-2: #5C6C7C;

  /* 强调色(清爽青,避开默认靛蓝/紫) */
  --accent: #0B87AC;
  --accent-2: #086A88;
  --accent-wash: #DDF1F7;
  --on-accent: #FFFFFF;
  --accent-glow: rgba(11, 135, 172, .16);

  /* 语义色 */
  --ok: #1E7A45;
  --ok-wash: #E4F3E9;
  --warn: #97690B;
  --warn-wash: #FAF1DC;
  --danger: #C42B1C;                    /* 也是关闭钮 hover 红 */
  --danger-wash: #FBEBE8;

  /* 交互蒙层 */
  --veil: rgba(27, 39, 51, .06);
  --veil-2: rgba(27, 39, 51, .10);

  /* 阴影(多层柔和,Fluent 海拔) */
  --shadow-1: 0 1px 2px rgba(18, 32, 45, .05), 0 3px 10px rgba(18, 32, 45, .06);
  --shadow-2: 0 2px 6px rgba(18, 32, 45, .06), 0 14px 36px rgba(18, 32, 45, .11);
  --shadow-lift: 0 4px 10px rgba(18, 32, 45, .08), 0 22px 48px rgba(18, 32, 45, .14);
  --accent-shadow: 0 8px 22px rgba(11, 135, 172, .32);

  /* 字体 */
  --font-display: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', 'Menlo', 'Consolas', monospace;

  /* 圆角(Win11 语汇) */
  --r-win: 12px;                        /* 窗口 */
  --r-ctl: 8px;                         /* 控件 */
  --r-pill: 999px;

  /* 版心与节奏 */
  --gutter: clamp(16px, 4vw, 32px);
  --wrap-max: 1180px;
  --bar-h: 64px;

  /* 动效 */
  --ease-fluent: cubic-bezier(.33, 0, .1, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--bar-h) + 16px);
  overflow-x: hidden;
}

html.nav-open { overflow: hidden; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--sky);
  background-image:
    radial-gradient(56rem 34rem at 82% -6%, var(--bloom-cool), transparent 68%),
    radial-gradient(48rem 30rem at -10% 32%, var(--bloom-warm), transparent 66%),
    linear-gradient(180deg, var(--sky-top), var(--sky) 42rem);
  background-attachment: fixed;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { margin: 0 0 .55em; font-family: var(--font-display); line-height: 1.25; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.4em; }
li { margin-bottom: .35em; }
img, svg { max-width: 100%; height: auto; vertical-align: middle; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }
strong { color: var(--ink); }
hr { border: 0; border-top: 1px solid var(--hairline); margin: 2rem 0; }

code, kbd, samp { font-family: var(--font-mono); font-size: .875em; }
:not(pre) > code {
  background: var(--card-2);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: .12em .42em;
  word-break: break-all;
}
pre {
  background: var(--card-2);
  border: 1px solid var(--hairline);
  border-radius: var(--r-ctl);
  padding: 14px 18px;
  overflow-x: auto;
  line-height: 1.65;
  margin: 0 0 1.2em;
}
pre code { background: none; border: 0; padding: 0; }

table { border-collapse: collapse; width: 100%; margin: 0 0 1.2em; font-size: .95em; }
th, td { border: 1px solid var(--hairline); padding: .55em .85em; text-align: left; vertical-align: top; }
th { background: var(--card-2); font-weight: 600; }
tbody tr:nth-child(even) { background: var(--card-2); }

blockquote {
  margin: 0 0 1.2em;
  padding: .85em 1.15em;
  background: var(--card-2);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-ctl) var(--r-ctl) 0;
  color: var(--ink-2);
}

::selection { background: var(--accent-wash); color: var(--accent-2); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 3. 版心与区块节奏 ---------- */
.wrap {
  max-width: var(--wrap-max);
  margin-left: auto;
  margin-right: auto;
  padding-inline: var(--gutter);
}

/* 区块间距类:只声明纵向,严禁 padding 简写清掉左右留白 */
.zone { padding-top: clamp(56px, 8vw, 96px); padding-bottom: clamp(56px, 8vw, 96px); }
.zone-tight { padding-top: clamp(36px, 5vw, 56px); padding-bottom: clamp(36px, 5vw, 56px); }

.zone-head { max-width: 720px; margin-bottom: clamp(24px, 4vw, 44px); }
.zone-head h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: .5em;
}
/* h2 前缀:一枚描边小窗图形(原创,非任何商标) */
.zone-head h2::before {
  content: "";
  flex-shrink: 0;
  width: .72em;
  height: .72em;
  border: 2px solid var(--accent);
  border-top-width: .3em;
  border-radius: 4px;
}
.zone-head p { color: var(--ink-2); margin-bottom: 0; }

/* ---------- 4. 窗口组件(全站视觉母题) ---------- */
.win {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-win);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  transition: box-shadow .25s var(--ease-fluent), transform .25s var(--ease-fluent);
}
.win-mica { background: var(--card-2); }
.win-tint { background: var(--card-tint); }
.win-hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }

/* 标题栏 */
.win-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px 9px 16px;
  border-bottom: 1px solid var(--hairline-soft);
  background: linear-gradient(180deg, rgba(255, 255, 255, .6), rgba(255, 255, 255, 0));
}
.win-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  letter-spacing: .01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.win-name svg { flex-shrink: 0; }

/* 三颗窗控钮:极简线条,hover 变色,关闭钮 hover 红 */
.win-ctl {
  margin-left: auto;
  display: flex;
  align-items: stretch;
  flex-shrink: 0;
}
.win-ctl i {
  position: relative;
  display: block;
  width: 38px;
  height: 26px;
  border-radius: 6px;
  transition: background .15s var(--ease-fluent);
}
.win-ctl i::before,
.win-ctl i::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.wc-min::before { width: 10px; height: 0; border-top: 1.5px solid var(--ink-2); }
.wc-max::before { width: 9px; height: 9px; border: 1.5px solid var(--ink-2); border-radius: 2.5px; }
.wc-cls::before { width: 12px; height: 0; border-top: 1.5px solid var(--ink-2); transform: translate(-50%, -50%) rotate(45deg); }
.wc-cls::after  { width: 12px; height: 0; border-top: 1.5px solid var(--ink-2); transform: translate(-50%, -50%) rotate(-45deg); }
.win-ctl i:hover { background: var(--veil); }
.wc-cls:hover { background: var(--danger); }
.wc-cls:hover::before, .wc-cls:hover::after { border-top-color: var(--on-accent); }

/* 内容区与底部状态栏 */
.win-body { padding: clamp(18px, 3vw, 28px); }
.win-body > :last-child { margin-bottom: 0; }
.win-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 8px 16px;
  border-top: 1px solid var(--hairline-soft);
  background: var(--card-2);
  font-size: 12.5px;
  color: var(--ink-2);
}
.win-foot .cell { display: inline-flex; align-items: center; gap: 6px; min-width: 0; }

/* 无标题栏的简版面板 */
.pane {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-win);
  box-shadow: var(--shadow-1);
  padding: clamp(16px, 2.6vw, 24px);
}
.pane-mica { background: var(--card-2); }
.pane-tint { background: var(--card-tint); }

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  min-height: 42px;
  border-radius: var(--r-ctl);
  border: 1px solid var(--hairline);
  background: var(--card);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s var(--ease-fluent), transform .15s var(--ease-fluent),
    box-shadow .2s var(--ease-fluent), border-color .15s var(--ease-fluent);
}
.btn:hover { background: var(--card-2); text-decoration: none; color: var(--ink); transform: translateY(-1px); box-shadow: var(--shadow-1); }
.btn:active { transform: translateY(0) scale(.985); }
.btn svg { flex-shrink: 0; }

.btn-accent {
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-color: var(--accent-2);
  color: var(--on-accent);
  box-shadow: var(--accent-shadow);
}
.btn-accent:hover { background: linear-gradient(180deg, var(--accent-2), var(--accent-2)); color: var(--on-accent); }

.btn-quiet { background: transparent; border-color: transparent; box-shadow: none; }
.btn-quiet:hover { background: var(--veil); box-shadow: none; }

.btn-lg { padding: 13px 30px; min-height: 50px; font-size: 16.5px; border-radius: 10px; }
.btn-sm { padding: 6px 14px; min-height: 34px; font-size: 13.5px; }

/* ---------- 6. 胶囊 / 徽章 / 版本号 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline);
  background: var(--card);
  font-size: 13px;
  color: var(--ink-2);
  box-shadow: var(--shadow-1);
}
.chip .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  flex-shrink: 0;
  animation: chip-pulse 2.4s var(--ease-fluent) infinite;
}
@keyframes chip-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

.ver-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--r-pill);
  background: var(--card-2);
  border: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-2);
  white-space: nowrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--hairline);
  background: var(--card-2);
  color: var(--ink-2);
  white-space: nowrap;
}
.tag-top { background: var(--accent); border-color: var(--accent-2); color: var(--on-accent); }
.tag-rec { background: var(--accent-wash); border-color: var(--accent); color: var(--accent-2); }
.tag-ok { background: var(--ok-wash); border-color: var(--ok); color: var(--ok); }
.tag-warn { background: var(--warn-wash); border-color: var(--warn); color: var(--warn); }
.tag-eol { background: var(--danger-wash); border-color: var(--danger); color: var(--danger); }

/* ---------- 7. 页头:亚克力顶栏 ---------- */
.mast {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--hairline);
}
.mast-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: var(--bar-h);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  font-size: 16.5px;
  letter-spacing: -.01em;
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; color: var(--ink); }
.brand img { width: 34px; height: 34px; flex-shrink: 0; }

/* 主导航:平铺 + 「更多」下拉 */
.mast-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 26px;
  min-width: 0;
}
.mast-nav a,
.more-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  border-radius: var(--r-ctl);
  border: 0;
  background: transparent;
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.3;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s var(--ease-fluent), color .15s var(--ease-fluent);
}
.mast-nav a:hover,
.more-toggle:hover { background: var(--veil); color: var(--ink); text-decoration: none; }
.mast-nav a.is-here {
  color: var(--accent-2);
  background: var(--accent-wash);
  font-weight: 600;
}
.more-toggle .caret { transition: transform .18s var(--ease-fluent); flex-shrink: 0; }
.more-wrap { position: relative; }
.more-wrap.open .caret { transform: rotate(180deg); }
.more-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 176px;
  padding: 6px;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-win);
  box-shadow: var(--shadow-2);
  display: none;
  z-index: 40;
}
.more-wrap.open .more-menu { display: block; animation: menu-in .16s var(--ease-fluent); }
.more-menu a {
  display: flex;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--r-ctl);
}
.more-menu a.is-here { color: var(--accent-2); background: var(--accent-wash); }
@keyframes menu-in {
  from { opacity: 0; transform: translateY(-4px) scale(.98); }
  to { opacity: 1; transform: none; }
}

/* 工具区:语言切换 + 汉堡 */
.mast-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.lang-wrap { position: relative; }
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 6px 12px;
  border-radius: var(--r-ctl);
  border: 1px solid var(--hairline);
  background: var(--card);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s var(--ease-fluent);
}
.lang-toggle:hover { background: var(--card-2); }
.lang-toggle svg { flex-shrink: 0; }
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 156px;
  padding: 6px;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-win);
  box-shadow: var(--shadow-2);
  display: none;
  z-index: 40;
  list-style: none;
  margin: 0;
}
.lang-wrap.open .lang-menu { display: block; animation: menu-in .16s var(--ease-fluent); }
.lang-menu li { margin: 0; }
.lang-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--r-ctl);
  color: var(--ink-2);
  font-size: 13.5px;
}
.lang-menu a:hover { background: var(--veil); color: var(--ink); text-decoration: none; }
.lang-menu a.is-lang { color: var(--accent-2); background: var(--accent-wash); font-weight: 600; }
.lang-menu a.is-lang::after { content: "✓"; font-size: 12px; }

/* 汉堡按钮 */
.burger {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--r-ctl);
  background: var(--card);
  cursor: pointer;
  transition: background .15s var(--ease-fluent);
}
.burger:hover { background: var(--card-2); }
.burger .bars,
.burger .bars::before,
.burger .bars::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .2s var(--ease-fluent), opacity .2s var(--ease-fluent);
}
.burger .bars { position: relative; }
.burger .bars::before,
.burger .bars::after { content: ""; position: absolute; left: 0; }
.burger .bars::before { top: -6px; }
.burger .bars::after { top: 6px; }
.burger[aria-expanded="true"] .bars { background: transparent; }
.burger[aria-expanded="true"] .bars::before { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] .bars::after { transform: translateY(-6px) rotate(-45deg); }

/* 移动端抽屉(实色背景,铁律) */
.mast-veil {
  position: fixed;
  inset: 0;
  background: rgba(27, 39, 51, .32);
  z-index: 880;
  display: none;
}
html.nav-open .mast-veil { display: block; }

@media (max-width: 900px) {
  .mast-nav {
    position: fixed;
    top: var(--bar-h);
    left: 0;
    right: 0;
    z-index: 890;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-left: 0;
    padding: 12px var(--gutter) 18px;
    background: var(--card);
    border-bottom: 1px solid var(--hairline);
    box-shadow: var(--shadow-2);
    max-height: calc(100dvh - var(--bar-h));
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  html.nav-open .mast-nav { display: flex; }
  .mast-nav a,
  .more-toggle {
    display: flex;
    width: 100%;
    padding: 13px 14px;
    min-height: 48px;
    font-size: 15.5px;
  }
  .more-wrap { position: static; }
  .more-menu {
    position: static;
    display: none;
    box-shadow: none;
    border: 0;
    border-left: 2px solid var(--hairline);
    border-radius: 0;
    padding: 2px 0 2px 10px;
    margin: 2px 0 4px 14px;
    min-width: 0;
  }
  .more-wrap.open .more-menu { display: block; animation: none; }
  .more-menu a { min-height: 46px; }
  /* 工具区在窄屏必须仍贴最右(导航抽屉化后 auto 边距失效的坑) */
  .mast-tools { margin-left: auto; }
  .burger { display: inline-flex; }
}

/* 极窄屏:语言切换只保留图标,避免品牌名 + 语言名 + 汉堡在 375px 撑破顶栏 */
@media (max-width: 480px) {
  .lang-toggle > span { display: none; }
  .lang-toggle { padding: 6px 10px; }
}

/* ---------- 8. 页脚:任务栏 + 通知区 ---------- */
.deck {
  margin-top: clamp(48px, 7vw, 84px);
  border-top: 1px solid var(--hairline);
  background: var(--card-2);
}
.deck-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1.35fr 1fr;
  gap: 32px;
  padding-top: clamp(36px, 5vw, 56px);
  padding-bottom: clamp(28px, 4vw, 40px);
}
.deck-grid > div { min-width: 0; }
.deck-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}
.deck-brand:hover { text-decoration: none; color: var(--ink); }
.deck-brand img { width: 30px; height: 30px; flex-shrink: 0; }
.deck-about { margin-top: 12px; font-size: 13.5px; color: var(--ink-2); }
.deck h3 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-2);
  margin-bottom: 14px;
}
.deck-links { list-style: none; margin: 0; padding: 0; }
.deck-links li { margin: 0 0 2px; }
.deck-links a {
  display: inline-block;
  padding: 4px 0;
  color: var(--ink-2);
  font-size: 14px;
}
.deck-links a:hover { color: var(--accent-2); }
.deck-hot { display: flex; flex-wrap: wrap; gap: 8px; }
.deck-hot a {
  display: inline-flex;
  padding: 4px 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  background: var(--card);
  color: var(--ink-2);
  font-size: 12.5px;
  transition: border-color .15s var(--ease-fluent), color .15s var(--ease-fluent);
}
.deck-hot a:hover { border-color: var(--accent); color: var(--accent-2); text-decoration: none; }

/* 版权行:居中悬浮任务栏 */
.deck-taskbar-row { padding-bottom: clamp(22px, 3.5vw, 34px); }
.deck-taskbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 22px;
  max-width: 720px;
  margin: 0 auto;
  padding: 11px 24px;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-1);
  font-size: 13px;
  color: var(--ink-2);
  text-align: center;
}
.deck-taskbar .cell { display: inline-flex; align-items: center; gap: 6px; min-width: 0; }
.deck-taskbar .cell svg { flex-shrink: 0; }
.deck-taskbar .clock { font-family: var(--font-mono); font-size: 12px; }

@media (max-width: 900px) {
  .deck-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .deck-grid { grid-template-columns: 1fr; gap: 26px; }
}

/* ---------- 9. reveal 滚动淡入 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s var(--ease-fluent), transform .55s var(--ease-fluent);
}
.reveal.shown { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .chip .dot { animation: none; }
  * { scroll-behavior: auto; }
}

/* ---------- 10. Hero:桌面上叠开的窗口(Snap 拼盘) ---------- */
.desktop-hero { padding-top: clamp(44px, 6vw, 76px); padding-bottom: clamp(44px, 6vw, 76px); position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(96px, auto);
  gap: 16px;
}
.hero-grid > .win { min-width: 0; }
.hero-main { grid-column: 1 / 3; grid-row: 1 / 4; }
.hero-main .win-body { padding: clamp(24px, 4vw, 44px); }
.hero-main h1 {
  font-size: clamp(34px, 5.2vw, 58px);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.12;
  margin-bottom: .4em;
}
.hero-main h1 .h1-accent {
  background: linear-gradient(120deg, var(--accent) 20%, var(--accent-2) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lede { color: var(--ink-2); font-size: clamp(15px, 1.6vw, 17.5px); max-width: 34em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }

.hero-side .win-body { padding: 16px 18px; }
.hero-plat { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.hero-plat a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--r-ctl);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
}
.hero-plat a:hover { background: var(--veil); text-decoration: none; color: var(--accent-2); }
.hero-plat a::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.hero-wide { grid-column: 1 / 4; }
.hero-wide .win-body {
  padding: 14px 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 26px;
  font-size: 14.5px;
  color: var(--ink-2);
}
.hero-wide .win-body .cell { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }
.hero-wide .win-body .cell svg { flex-shrink: 0; color: var(--accent); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .hero-main { grid-column: 1 / 3; grid-row: auto; }
  .hero-wide { grid-column: 1 / 3; }
}
@media (max-width: 620px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-main, .hero-wide { grid-column: 1 / 2; }
}

/* ---------- 11. 通用网格与卡片 ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 > *, .grid-3 > * { min-width: 0; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* 步骤列表(教程/快速上手) */
.steps { list-style: none; margin: 0 0 1em; padding: 0; counter-reset: step; }
.steps > li {
  position: relative;
  counter-increment: step;
  padding: 0 0 1.4em 52px;
  margin: 0;
}
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--accent-wash);
  border: 1px solid var(--accent);
  color: var(--accent-2);
  font-weight: 700;
  font-size: 15px;
}
.steps > li > h3 { font-size: 17px; margin-bottom: .3em; }

/* ---------- 12. 窄屏防溢出兜底 ---------- */
@media (max-width: 640px) {
  .win-body { padding: 18px 16px; }
  .win-ctl i { width: 32px; }
  .hero-cta .btn { flex: 1 1 auto; }
}
pre, table { max-width: 100%; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll table { min-width: 560px; }