/* ============================================================
   星创图官网 · 浅色产品平台设计系统
   纯白画布 / 黑色胶囊 / 60-44 大标题 / 整幅柔光轮播 / 渐变横幅
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --raised: #F7F8FA;
  --overlay: #FFFFFF;
  --scrim: rgba(11, 12, 15, .42);

  --fg: #0B0C0F;
  --text: #0B0C0F;
  --muted: #5C6270;
  --faint: #8C94A4;
  --dot: #AFB7C6;

  --line: #EDEFF3;
  --line-2: #DEE2E9;

  --ink: #0B0C0F;
  --ink-ink: #F0F3FF;

  --brand: #3D5AFE;
  --brand-2: #7C4DFF;
  --accent: #4C46E8;
  --accent-ink: #FFFFFF;
  --accent-soft: #4C46E8;
  --violet-soft: #6D45E8;
  --grad-brand: linear-gradient(96deg, #3D5AFE 0%, #7C4DFF 52%, #C247E8 100%);
  --grad-cool: linear-gradient(120deg, #3D5AFE, #00A6C4);
  --grad-warm: linear-gradient(120deg, #F0347C, #E08700);
  --grad-cyan: linear-gradient(96deg, #22C3E6 0%, #3D5AFE 58%, #7C4DFF 100%);
  --grad-magenta: linear-gradient(96deg, #3D5AFE 0%, #8E4BFF 50%, #E33CB0 100%);

  /* 横幅与卡片用的多色柔光网格 */
  --mesh-a: radial-gradient(60% 120% at 8% 20%, #D6FBEC 0%, transparent 62%),
            radial-gradient(52% 110% at 34% 82%, #C6DEFF 0%, transparent 60%),
            radial-gradient(58% 130% at 62% 12%, #35C9F0 0%, transparent 58%),
            radial-gradient(64% 140% at 88% 78%, #00B87C 0%, transparent 62%),
            linear-gradient(96deg, #E4FAF1, #9FDDF5 46%, #7CE3BC);
  --mesh-b: radial-gradient(56% 120% at 12% 24%, #BFF7E6 0%, transparent 60%),
            radial-gradient(60% 130% at 44% 88%, #4C6BFF 0%, transparent 58%),
            radial-gradient(54% 120% at 70% 10%, #3D4FE0 0%, transparent 56%),
            radial-gradient(62% 140% at 94% 70%, #55E6B0 0%, transparent 60%),
            linear-gradient(96deg, #CFF6EA, #5C7BFF 52%, #6EE7B7);
  --mesh-stat: radial-gradient(48% 130% at 4% 30%, #FFFFFF 0%, rgba(255,255,255,.86) 34%, transparent 66%),
               radial-gradient(52% 120% at 30% 84%, #D9F6FF 0%, transparent 62%),
               radial-gradient(56% 128% at 56% 16%, #4C6BFF 0%, transparent 58%),
               radial-gradient(50% 120% at 76% 82%, #7C5CFF 0%, transparent 56%),
               radial-gradient(58% 136% at 97% 44%, #5CE7C0 0%, transparent 62%),
               linear-gradient(96deg, #F4FBFF 0%, #A9C4FF 38%, #6E86FF 62%, #7BE9C6 100%);
  --mesh-soft: radial-gradient(70% 130% at 10% 16%, #E4E0FF 0%, transparent 60%),
               radial-gradient(60% 120% at 52% 92%, #FFE6D2 0%, transparent 58%),
               radial-gradient(66% 130% at 88% 24%, #CFE9FF 0%, transparent 60%),
               linear-gradient(120deg, #F3F0FF, #EAF4FF 54%, #FFF1E6);
  --mesh-c: radial-gradient(58% 120% at 10% 18%, #E7D9FF 0%, transparent 60%),
            radial-gradient(54% 116% at 38% 86%, #FFD6E8 0%, transparent 58%),
            radial-gradient(60% 130% at 66% 12%, #C9D8FF 0%, transparent 58%),
            radial-gradient(62% 140% at 92% 74%, #FFE9C9 0%, transparent 60%),
            linear-gradient(96deg, #EFE6FF, #FFE4F0 48%, #FFF0DC);

  --h-violet: #7C4DFF;
  --h-blue: #3D5AFE;
  --h-cyan: #0093B0;
  --h-magenta: #E32C74;
  --h-amber: #C77400;
  --h-green: #00966A;

  --ok: #00966A;
  --warn: #C77400;
  --err: #E02434;
  --info: #3D5AFE;

  --r-xs: 6px;
  --r-sm: 10px;
  --r: 14px;
  --r-lg: 16px;
  --r-xl: 24px;
  --pill: 999px;

  --sh-1: 0 1px 2px rgba(16, 22, 40, .04), 0 1px 3px rgba(16, 22, 40, .03);
  --sh-2: 0 8px 24px -10px rgba(16, 22, 40, .14), 0 2px 6px rgba(16, 22, 40, .04);
  --sh-3: 0 26px 60px -18px rgba(16, 22, 40, .22), 0 4px 12px rgba(16, 22, 40, .06);

  --edge: clamp(20px, calc((100vw - 900px) * 0.2222 + 20px), 140px);
  --wrap: 1780px;
  --wrap-wide: 1920px;
  --wrap-bleed: min(1830px, calc(100vw - var(--edge) - 90px));
  --gutter: 20px;
  --nav-h: 84px;

  --sans: "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "HarmonyOS Sans SC", "Hiragino Sans GB", "Microsoft YaHei", Inter, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --ease: cubic-bezier(.4, 0, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);

  --aurora-1: rgba(61, 90, 254, .10);
  --aurora-2: rgba(124, 77, 255, .09);
  --aurora-3: rgba(0, 166, 196, .07);
  --grid-line: rgba(16, 22, 40, .03);
}

html[data-theme="dark"] {
  --bg: #0B0C0F;
  --surface: #14161C;
  --raised: #191C24;
  --overlay: #161920;
  --scrim: rgba(4, 6, 12, .68);

  --fg: #ECEFF6;
  --text: #ECEFF6;
  --muted: #98A2B5;
  --faint: #6B7688;
  --dot: #4A5468;

  --line: #23262F;
  --line-2: #333846;

  --ink: #ECEFF6;
  --ink-ink: #0B0C0F;

  --brand: #7C93FF;
  --brand-2: #A98BFF;
  --accent: #7C93FF;
  --accent-ink: #0C0E14;
  --accent-soft: #A0AEFF;
  --violet-soft: #B79BFF;
  --grad-brand: linear-gradient(96deg, #7C93FF 0%, #A98BFF 52%, #E08BFF 100%);
  --grad-cool: linear-gradient(120deg, #7C93FF, #35C9E0);
  --grad-warm: linear-gradient(120deg, #FF6FA5, #FFB454);
  --grad-cyan: linear-gradient(96deg, #35C9E0 0%, #7C93FF 58%, #A98BFF 100%);
  --grad-magenta: linear-gradient(96deg, #7C93FF 0%, #A98BFF 50%, #FF6FA5 100%);

  --mesh-a: radial-gradient(60% 120% at 8% 20%, #10453A 0%, transparent 62%),
            radial-gradient(52% 110% at 34% 82%, #1B3358 0%, transparent 60%),
            radial-gradient(58% 130% at 62% 12%, #14505F 0%, transparent 58%),
            radial-gradient(64% 140% at 88% 78%, #0E4634 0%, transparent 62%),
            linear-gradient(96deg, #12302A, #16324A 46%, #103A2E);
  --mesh-b: radial-gradient(56% 120% at 12% 24%, #12463C 0%, transparent 60%),
            radial-gradient(60% 130% at 44% 88%, #2A3A8C 0%, transparent 58%),
            radial-gradient(54% 120% at 70% 10%, #24307A 0%, transparent 56%),
            radial-gradient(62% 140% at 94% 70%, #14523C 0%, transparent 60%),
            linear-gradient(96deg, #13332C, #2C3C86 52%, #164634);
  --mesh-stat: radial-gradient(48% 130% at 4% 30%, #0B0C0F 0%, rgba(11,12,15,.86) 34%, transparent 66%),
               radial-gradient(52% 120% at 30% 84%, #10333F 0%, transparent 62%),
               radial-gradient(56% 128% at 56% 16%, #2A3A8C 0%, transparent 58%),
               radial-gradient(50% 120% at 76% 82%, #3A2A7A 0%, transparent 56%),
               radial-gradient(58% 136% at 97% 44%, #14523C 0%, transparent 62%),
               linear-gradient(96deg, #0E1418 0%, #23306B 38%, #2E3A86 62%, #164634 100%);
  --mesh-soft: radial-gradient(70% 130% at 10% 16%, #241F45 0%, transparent 60%),
               radial-gradient(60% 120% at 52% 92%, #3A2A1E 0%, transparent 58%),
               radial-gradient(66% 130% at 88% 24%, #1B2C45 0%, transparent 60%),
               linear-gradient(120deg, #1C1A2E, #16202E 54%, #2A2119);
  --mesh-c: radial-gradient(58% 120% at 10% 18%, #2E2450 0%, transparent 60%),
            radial-gradient(54% 116% at 38% 86%, #4A2438 0%, transparent 58%),
            radial-gradient(60% 130% at 66% 12%, #1F2A50 0%, transparent 58%),
            radial-gradient(62% 140% at 92% 74%, #45351F 0%, transparent 60%),
            linear-gradient(96deg, #241E3A, #3A2130 48%, #33281C);

  --h-violet: #A98BFF;
  --h-blue: #7C93FF;
  --h-cyan: #35C9E0;
  --h-magenta: #FF6FA5;
  --h-amber: #FFB454;
  --h-green: #34D399;

  --ok: #34D399;
  --warn: #FFB454;
  --err: #FF6B76;
  --info: #7C93FF;

  --sh-1: 0 1px 2px rgba(0, 0, 0, .3);
  --sh-2: 0 10px 28px -12px rgba(0, 0, 0, .6), 0 2px 6px rgba(0, 0, 0, .3);
  --sh-3: 0 28px 64px -18px rgba(0, 0, 0, .75), 0 4px 12px rgba(0, 0, 0, .4);

  --aurora-1: rgba(124, 147, 255, .14);
  --aurora-2: rgba(169, 139, 255, .13);
  --aurora-3: rgba(53, 201, 224, .09);
  --grid-line: rgba(255, 255, 255, .03);
}

[data-hue="violet"] { --hue: var(--h-violet); }
[data-hue="blue"] { --hue: var(--h-blue); }
[data-hue="cyan"] { --hue: var(--h-cyan); }
[data-hue="magenta"] { --hue: var(--h-magenta); }
[data-hue="amber"] { --hue: var(--h-amber); }
[data-hue="green"] { --hue: var(--h-green); }

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
*::selection { background: color-mix(in srgb, var(--brand) 26%, transparent); color: var(--fg); }
[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 26px);
  scrollbar-color: var(--line-2) transparent;
  scrollbar-width: thin;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; letter-spacing: .004em; line-height: 1.3; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: color-mix(in srgb, var(--line) 40%, transparent); }
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--brand) 26%, var(--line-2));
  border-radius: var(--pill);
  border: 3px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: color-mix(in srgb, var(--brand) 62%, var(--line-2)); background-clip: content-box; }
::-webkit-scrollbar-corner { background: transparent; }

.sr {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.sr:focus {
  position: fixed; top: 12px; left: 12px; z-index: 999;
  width: auto; height: auto; clip: auto; padding: 10px 18px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--pill);
  box-shadow: var(--sh-2);
}

.ic { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- 背景：纯白画布，渐变只出现在横幅与卡片里 ---------- */
.bg-stack { display: none; }
main, .nav, .footer, .ticker { position: relative; z-index: 1; }

/* ---------- 排版工具 ---------- */
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.grad-text-warm {
  background: var(--grad-warm);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 13px 5px 10px; border-radius: var(--pill);
  background: color-mix(in srgb, var(--brand) 9%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--brand) 18%, transparent);
  color: var(--accent-soft); font-size: 12.5px; font-weight: 600;
}
.eyebrow b { width: 6px; height: 6px; border-radius: 50%; background: var(--grad-brand); flex: none; }
.tlink {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 14px; font-weight: 600; color: var(--accent-soft);
  transition: gap .2s var(--ease-out), color .2s;
}
.tlink .ic { width: 16px; height: 16px; }
.tlink:hover { gap: 11px; color: var(--brand-2); }

/* ---------- 布局 ---------- */
.wrap { width: 100%; max-width: min(calc(var(--wrap) + var(--gutter) * 2), calc(100% - var(--edge) * 2 + var(--gutter) * 2)); margin: 0 auto; padding: 0 var(--gutter); }
.wrap-wide { width: 100%; max-width: min(calc(var(--wrap-wide) + var(--gutter) * 2), calc(100% - var(--edge) + var(--gutter) * 2)); margin: 0 auto; padding: 0 var(--gutter); }
.sec { padding: clamp(64px, 8vw, 112px) 0; }
.sec-tight { padding: clamp(34px, 4.4vw, 56px) 0; }
.sec-band { background: var(--raised); }
.sec-head { margin-bottom: clamp(26px, 3vw, 40px); max-width: 780px; }
.sec-head .eyebrow { margin-bottom: 14px; }
.sec-title { font-size: clamp(28px, 4.2vw, 44px); font-weight: 600; letter-spacing: .006em; line-height: 1.32; }
.sec-lead { margin-top: 10px; color: var(--muted); font-size: 15.5px; line-height: 1.8; max-width: 64ch; }

/* 参照式区块头：左大标题 + 右侧胶囊动作 */
.blk-head { display: flex; align-items: flex-end; gap: 28px; flex-wrap: wrap; margin-bottom: 26px; }
.blk-head > div:first-child { flex: 1; min-width: 260px; }
.blk-head h2 { font-size: clamp(28px, 4.2vw, 44px); font-weight: 600; letter-spacing: .006em; line-height: 1.32; }
.blk-head p { margin-top: 8px; color: var(--muted); font-size: 15.5px; line-height: 1.8; }

.page-head { padding: clamp(34px, 4.4vw, 60px) 0 clamp(18px, 2.4vw, 28px); }
.page-head h1 { font-size: clamp(30px, 4.6vw, 52px); font-weight: 600; letter-spacing: .004em; margin: 16px 0 12px; line-height: 1.28; }
.page-head .lead { color: var(--muted); font-size: 16px; max-width: 66ch; line-height: 1.8; }

.crumbs { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 13px; color: var(--faint); }
.crumbs .ic { width: 13px; height: 13px; opacity: .6; }
.crumbs a:hover { color: var(--accent-soft); }
.crumbs span { color: var(--muted); }

/* ---------- 卡片 ---------- */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  transition: border-color .22s var(--ease), box-shadow .28s var(--ease-out), transform .28s var(--ease-out);
}
.card-pad { padding: clamp(20px, 2.4vw, 28px); }
.card[href]:hover, .card[data-jump]:hover {
  border-color: color-mix(in srgb, var(--hue, var(--brand)) 40%, var(--line));
  box-shadow: var(--sh-2);
  transform: translateY(-2px);
}

.icon-badge {
  display: grid; place-items: center; flex: none;
  width: 44px; height: 44px; border-radius: var(--r);
  background: color-mix(in srgb, var(--hue, var(--brand)) 11%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--hue, var(--brand)) 20%, transparent);
  color: var(--hue, var(--brand));
}
.icon-badge .ic { width: 21px; height: 21px; stroke-width: 1.8; }

/* ---------- 按钮：黑色胶囊为主动作 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 22px; border-radius: var(--pill);
  background: var(--surface); border: 1px solid var(--line-2);
  color: var(--fg); font-size: 14px; font-weight: 500; letter-spacing: .004em;
  cursor: pointer; white-space: nowrap;
  transition: background .18s var(--ease), border-color .18s, color .18s, transform .18s var(--ease-out), box-shadow .22s;
}
.btn .ic { width: 16px; height: 16px; }
.btn:hover { border-color: var(--fg); background: var(--surface); color: var(--fg); }
.btn:active { transform: scale(.975); }
.btn:disabled { opacity: .5; pointer-events: none; }

.btn-primary, .btn-dark {
  background: var(--ink); border-color: var(--ink); color: var(--ink-ink);
  box-shadow: none;
}
.btn-primary:hover, .btn-dark:hover {
  background: color-mix(in srgb, var(--ink) 84%, var(--brand)); border-color: transparent;
  color: var(--ink-ink); box-shadow: 0 8px 22px -12px color-mix(in srgb, var(--ink) 90%, transparent);
}
.btn-grad { background: var(--grad-brand); border-color: transparent; color: #fff; }
.btn-grad:hover { background: var(--grad-brand); filter: brightness(1.07); color: #fff; }
html[data-theme="dark"] .btn-grad, html[data-theme="dark"] .btn-grad:hover { color: #0B0D13; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--raised); color: var(--fg); border-color: transparent; }
.btn-warm { background: var(--grad-warm); border-color: transparent; color: #fff; }
.btn-warm:hover { color: #fff; background: var(--grad-warm); filter: brightness(1.06); }
.btn-sm { height: 36px; padding: 0 16px; font-size: 13px; }
.btn-sm .ic { width: 14px; height: 14px; }
.btn-lg { height: 54px; padding: 0 28px; font-size: 16px; }
.btn-lg .ic { width: 18px; height: 18px; }
.btn-block { display: flex; width: 100%; }

.icon-btn {
  display: grid; place-items: center; flex: none;
  width: 38px; height: 38px; border-radius: var(--pill);
  border: 1px solid transparent; color: var(--muted);
  transition: background .18s, color .18s, border-color .18s, transform .18s var(--ease-out);
}
.icon-btn:hover { background: color-mix(in srgb, var(--brand) 9%, transparent); color: var(--accent-soft); }
.icon-btn:active { transform: scale(.92); }
.icon-btn .ic { width: 18px; height: 18px; }

/* ---------- 标签 ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 11px; border-radius: var(--pill);
  background: var(--raised); border: 1px solid var(--line);
  color: var(--muted); font-size: 12px; font-weight: 500; line-height: 1.65; white-space: nowrap;
}
.chip .ic { width: 13px; height: 13px; }
.chip[data-hue] {
  background: color-mix(in srgb, var(--hue) 9%, var(--surface));
  border-color: color-mix(in srgb, var(--hue) 24%, transparent);
  color: var(--hue);
}
.chip.ok { background: color-mix(in srgb, var(--ok) 11%, var(--surface)); border-color: color-mix(in srgb, var(--ok) 26%, transparent); color: var(--ok); }
.chip.warn { background: color-mix(in srgb, var(--warn) 12%, var(--surface)); border-color: color-mix(in srgb, var(--warn) 28%, transparent); color: var(--warn); }
.chip.info { background: color-mix(in srgb, var(--info) 10%, var(--surface)); border-color: color-mix(in srgb, var(--info) 24%, transparent); color: var(--info); }
.chip.err { background: color-mix(in srgb, var(--err) 10%, var(--surface)); border-color: color-mix(in srgb, var(--err) 26%, transparent); color: var(--err); }
.chip.hot { background: var(--grad-warm); border-color: transparent; color: #fff; }
.chip.new { background: var(--grad-cool); border-color: transparent; color: #fff; }

.swatch { width: 8px; height: 8px; border-radius: 3px; background: var(--hue, var(--brand)); flex: none; }
.cat-label { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 600; color: var(--hue, var(--muted)); }
.cat-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600; color: var(--hue, var(--accent-soft)); }
.cat-tag::before { content: ""; width: 6px; height: 6px; border-radius: 2px; background: var(--hue, var(--brand)); }

.model-strip { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.model-strip .lb { font-size: 12.5px; font-weight: 600; color: var(--faint); margin-right: 4px; }
.model-pill {
  padding: 5px 14px; border-radius: var(--pill);
  background: var(--surface); border: 1px solid var(--line);
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  transition: border-color .2s, color .2s, transform .2s var(--ease-out);
}
.model-pill:hover { border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); color: var(--accent-soft); transform: translateY(-1px); }

.notice-bar {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 14px 18px; border-radius: var(--r);
  background: color-mix(in srgb, var(--info) 6%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--info) 16%, transparent);
  font-size: 13.5px; color: var(--muted); line-height: 1.75;
}
.notice-bar .ic { width: 16px; height: 16px; color: var(--info); margin-top: 4px; }
.notice-bar a { color: var(--accent-soft); font-weight: 600; }

.empty-state {
  display: grid; justify-items: start; gap: 12px;
  padding: 44px 28px; border-radius: var(--r-lg);
  background: var(--surface); border: 1px dashed var(--line-2); color: var(--faint);
}
.empty-state .ic { width: 30px; height: 30px; opacity: .55; }
.empty-state p { font-size: 14px; max-width: 46ch; }
.empty-state a { color: var(--accent-soft); font-weight: 600; }

/* ---------- 表单 ---------- */
.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 7px; min-width: 0; }
.field > label { font-size: 13px; font-weight: 600; color: var(--fg); }
.req { color: var(--err); margin-left: 3px; }
.hint { font-size: 12px; color: var(--faint); line-height: 1.65; }

.input, .select, .textarea {
  width: 100%; padding: 10px 14px; border-radius: var(--r-sm);
  background: var(--raised); border: 1px solid var(--line);
  font-size: 14px; color: var(--fg);
  transition: border-color .18s, background .18s, box-shadow .18s;
}
.input::placeholder, .textarea::placeholder { color: var(--faint); }
.input:focus, .select:focus, .textarea:focus {
  outline: none; background: var(--surface);
  border-color: color-mix(in srgb, var(--brand) 55%, var(--line));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 13%, transparent);
}
.textarea { min-height: 118px; resize: vertical; line-height: 1.75; }
.select {
  appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238B94A6' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center;
}
.form-msg { display: none; align-items: flex-start; gap: 8px; padding: 11px 15px; border-radius: var(--r-sm); font-size: 13px; line-height: 1.7; }
.form-msg.show { display: flex; }
.form-msg .ic { width: 15px; height: 15px; margin-top: 4px; }
.form-msg.ok { background: color-mix(in srgb, var(--ok) 10%, transparent); color: var(--ok); }
.form-msg.err { background: color-mix(in srgb, var(--err) 10%, transparent); color: var(--err); }

.search-field {
  display: flex; align-items: center; gap: 9px; min-width: 0;
  padding: 0 16px; height: 42px; border-radius: var(--pill);
  background: var(--surface); border: 1px solid var(--line);
  transition: border-color .2s, box-shadow .2s;
}
.search-field:focus-within { border-color: color-mix(in srgb, var(--brand) 50%, var(--line)); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 12%, transparent); }
.search-field .ic { width: 16px; height: 16px; color: var(--faint); }
.search-field input { flex: 1; min-width: 0; border: 0; background: none; outline: none; font-size: 14px; }
.search-field input::placeholder { color: var(--faint); }
.search-field input::-webkit-search-cancel-button { -webkit-appearance: none; }

.switch { position: relative; width: 40px; height: 23px; border-radius: var(--pill); background: var(--line-2); transition: background .2s; flex: none; }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 17px; height: 17px; border-radius: 50%; background: #fff; transition: transform .22s var(--ease-out); box-shadow: 0 1px 3px rgba(0, 0, 0, .2); }
.switch.on { background: var(--brand); }
.switch.on::after { transform: translateX(17px); }

/* ---------- 公告条 ---------- */
.ticker { background: #EEF1FC; }
html[data-theme="dark"] .ticker { background: color-mix(in srgb, var(--brand) 14%, var(--surface)); }
.ticker-in {
  position: relative; max-width: min(calc(var(--wrap-wide) + var(--gutter) * 2), calc(100% - var(--edge) + var(--gutter) * 2)); margin: 0 auto;
  min-height: 48px; padding: 8px 56px;
  display: flex; align-items: center; gap: 10px;
  font-size: 14.5px; color: var(--muted); flex-wrap: wrap;
}
.ticker-in .tdot { width: 15px; height: 15px; border-radius: 50%; background: var(--grad-cyan); flex: none; }
.ticker-in b { color: var(--fg); font-weight: 600; }
.ticker-in .ic { width: 14px; height: 14px; color: var(--fg); }
.ticker-in a { display: inline-flex; align-items: center; gap: 10px; color: inherit; }
.ticker-in a:hover b { text-decoration: underline; text-underline-offset: 3px; }
.ticker-x {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  display: grid; place-items: center; width: 30px; height: 30px; border-radius: var(--pill);
  color: var(--muted); transition: background .18s, color .18s;
}
.ticker-x:hover { background: rgba(11, 12, 15, .07); color: var(--fg); }
.ticker-x .ic { width: 15px; height: 15px; }
.ticker.off { display: none; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 90;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.nav.stuck { border-bottom-color: var(--line); box-shadow: 0 4px 20px -16px rgba(16, 22, 40, .5); background: color-mix(in srgb, var(--surface) 96%, transparent); }
.nav-in { max-width: min(calc(var(--wrap-wide) + var(--gutter) * 2), calc(100% - var(--edge) + var(--gutter) * 2)); margin: 0 auto; padding: 0 var(--gutter); height: calc(var(--nav-h) - 1px); display: flex; align-items: center; gap: 28px; }

.brand { display: flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 700; letter-spacing: -.01em; flex: none; }
.brand-mark { display: block; width: auto; height: 34px; flex: none; }
.brand-name { color: var(--fg); }
.brand-org {
  position: relative; padding-left: 12px; font-size: 13px; font-weight: 500;
  letter-spacing: .02em; color: var(--muted); white-space: nowrap;
}
.brand-org::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 1px; height: 15px; background: var(--line-2); }
.brand:hover .brand-org { color: var(--fg); }

.nav-links { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-link {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 8px 11px; border-radius: var(--pill);
  font-size: 14px; font-weight: 400; color: var(--fg);
  transition: color .18s, background .18s;
}
.nav-link .ic { width: 13px; height: 13px; opacity: .55; transition: transform .22s var(--ease-out); }
.nav-link:hover { color: var(--accent-soft); background: var(--raised); }
.nav-link.active { color: var(--accent-soft); font-weight: 500; }

.nav-drop-wrap { position: relative; }
.nav-drop-wrap:hover .nav-link .ic, .nav-drop-wrap.open .nav-link .ic { transform: rotate(180deg); }
.nav-drop {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translate(-50%, -8px);
  width: 340px; padding: 8px; border-radius: var(--r-lg);
  background: var(--overlay); border: 1px solid var(--line); box-shadow: var(--sh-3);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .2s var(--ease), transform .24s var(--ease-out), visibility .2s;
}
.nav-drop-wrap:hover .nav-drop, .nav-drop-wrap.open .nav-drop, .nav-drop-wrap:focus-within .nav-drop {
  opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0);
}
.nav-drop a { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: var(--r-sm); transition: background .16s; }
.nav-drop a:hover { background: color-mix(in srgb, var(--hue, var(--brand)) 8%, transparent); }
.nav-drop .dot { width: 8px; height: 8px; border-radius: 3px; background: var(--hue, var(--brand)); margin-top: 7px; flex: none; }
.nav-drop b { display: block; font-size: 13.5px; font-weight: 600; }
.nav-drop span span { display: block; font-size: 12px; color: var(--faint); line-height: 1.6; }

.nav-right { display: flex; align-items: center; gap: 6px; flex: none; }
.nav-cta { margin-left: 10px; height: 44px; padding: 0 22px; font-size: 14px; }
.nav-burger { display: none; }
.theme-toggle .ic-moon { display: none; }
html[data-theme="dark"] .theme-toggle .ic-sun { display: none; }
html[data-theme="dark"] .theme-toggle .ic-moon { display: block; }

.mobile-menu {
  position: fixed; inset: var(--nav-h) 0 0; z-index: 89;
  background: var(--surface); padding: 20px 24px 40px; overflow-y: auto;
  transform: translateY(-12px); opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .22s var(--ease), transform .26s var(--ease-out), visibility .22s;
}
.mobile-menu.open { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
.mobile-menu a { display: flex; align-items: center; justify-content: space-between; padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 15.5px; font-weight: 500; }
.mobile-menu a .ic { width: 15px; height: 15px; color: var(--faint); }
.mobile-menu .grp { font-size: 11px; font-weight: 700; letter-spacing: .14em; color: var(--faint); text-transform: uppercase; padding: 22px 4px 6px; }
.mobile-menu .btn { justify-content: center; border-bottom: 0; }

/* ---------- 首屏：左大标题 + 右快速开始卡 ---------- */
.hp-hero { padding: clamp(28px, 3.4vw, 44px) 0 clamp(30px, 3.6vw, 46px); }
.hp-hero-in { display: grid; grid-template-columns: minmax(0, 1fr) clamp(340px, 24vw, 400px); gap: clamp(32px, 6vw, 96px); align-items: start; }
.hp-h1 { font-size: clamp(34px, 5.6vw, 60px); font-weight: 600; letter-spacing: .004em; line-height: 1.3; }
.hp-sub { margin-top: 18px; max-width: 62ch; color: var(--muted); font-size: 16px; line-height: 1.78; }
.hp-cta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 30px; }

.qs-card {
  padding: 20px; border-radius: var(--r-lg);
  background: var(--surface); border: 1px solid var(--line);
  box-shadow: 0 2px 10px -4px rgba(16, 22, 40, .07);
}
.qs-seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 2px; padding: 3px; border-radius: var(--pill); background: var(--raised); }
.qs-seg button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 32px; border-radius: var(--pill); font-size: 12.5px; font-weight: 400; color: var(--muted);
  transition: background .2s var(--ease), color .2s, box-shadow .2s;
}
.qs-seg button .ic { width: 14px; height: 14px; }
.qs-seg button.on { background: var(--surface); color: var(--fg); font-weight: 500; box-shadow: 0 1px 3px rgba(16, 22, 40, .1); }
.qs-lead { margin: 16px 0 13px; font-size: 14px; font-weight: 600; line-height: 1.6; }
.qs-tabs { display: flex; align-items: center; gap: 18px; border-bottom: 1px solid var(--line); }
.qs-tabs button { position: relative; padding: 0 0 9px; font-size: 13.5px; color: var(--muted); transition: color .18s; }
.qs-tabs button:hover { color: var(--fg); }
.qs-tabs button.on { color: var(--accent-soft); font-weight: 500; }
.qs-tabs button.on::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--accent-soft); border-radius: 2px; }
.qs-tabs .qs-doc { margin-left: auto; font-size: 12.5px; font-weight: 500; color: var(--accent-soft); letter-spacing: .02em; }
.qs-code { display: flex; align-items: center; gap: 10px; margin-top: 14px; min-width: 0; }
.qs-code code { flex: 1; min-width: 0; font-family: var(--mono); font-size: 12.5px; color: var(--fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qs-copy { display: grid; place-items: center; width: 28px; height: 28px; border-radius: var(--r-xs); color: var(--faint); flex: none; transition: background .18s, color .18s; }
.qs-copy:hover { background: var(--raised); color: var(--fg); }
.qs-copy .ic { width: 15px; height: 15px; }
.qs-note { margin-top: 11px; min-height: 3.4em; font-size: 11.5px; color: var(--faint); line-height: 1.7; }

/* ---------- 整幅柔光轮播 ---------- */
.bleed { --slide-w: var(--wrap-bleed); width: 100%; }
.hc-track {
  display: grid; grid-auto-flow: column; grid-auto-columns: var(--slide-w); gap: 24px;
  overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth;
  padding-inline: calc((100vw - var(--slide-w)) / 2);
  scrollbar-width: none;
}
.hc-track::-webkit-scrollbar { height: 0; }
.hc-slide {
  position: relative; scroll-snap-align: center; overflow: hidden;
  height: clamp(240px, 29vw, 560px); border-radius: var(--r-xl);
  background: var(--line-2); cursor: pointer; display: block;
  transition: transform .5s var(--ease-out);
}
.hc-slide img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease-out); }
.hc-slide:hover img { transform: scale(1.035); }
.hc-slide .hc-tag {
  position: absolute; left: 24px; bottom: 22px; display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: var(--pill);
  background: color-mix(in srgb, #fff 82%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  font-size: 13.5px; font-weight: 600; color: #0B0C0F;
  box-shadow: 0 4px 16px -8px rgba(16, 22, 40, .4);
  opacity: 0; transform: translateY(8px); transition: opacity .3s var(--ease), transform .35s var(--ease-out);
}
.hc-slide .hc-tag .ic { width: 15px; height: 15px; }
.hc-slide:hover .hc-tag, .hc-slide:focus-visible .hc-tag { opacity: 1; transform: none; }
.hc-dots { display: flex; align-items: center; gap: 4px; margin-top: 22px; }
.hc-dots button { width: 6px; height: 6px; border-radius: var(--pill); background: var(--dot); transition: width .3s var(--ease-out), background .3s; }
.hc-dots button.on { width: 26px; background: var(--ink); }

/* ---------- 胶囊筛选页签 ---------- */
.pill-tabs { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pill-tab {
  display: inline-flex; align-items: center; gap: 7px;
  height: 36px; padding: 0 16px; border-radius: var(--pill);
  font-size: 14px; color: var(--muted); white-space: nowrap;
  transition: background .18s, color .18s;
}
.pill-tab:hover { color: var(--fg); background: var(--raised); }
.pill-tab.on { background: var(--raised); color: var(--fg); font-weight: 500; }
.pill-tab.on::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); flex: none; }

.round-nav {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; flex: none;
  background: var(--surface); border: 1px solid var(--line); color: var(--fg);
  box-shadow: var(--sh-1);
  transition: box-shadow .22s, transform .2s var(--ease-out), opacity .2s;
}
.round-nav:hover:not(:disabled) { box-shadow: var(--sh-2); }
.round-nav:active:not(:disabled) { transform: scale(.93); }
.round-nav:disabled { opacity: .32; cursor: default; }
.round-nav .ic { width: 17px; height: 17px; }
.round-nav.prev .ic { transform: rotate(180deg); }
.round-nav.lg { width: 62px; height: 62px; box-shadow: var(--sh-2); }
.round-nav.lg .ic { width: 20px; height: 20px; }

/* ---------- 应用矩阵：特色卡 + 无边框条目 ---------- */
.matrix { display: grid; grid-template-columns: minmax(0, 568px) minmax(0, 1fr); gap: 28px; margin-top: 26px; align-items: stretch; }
.mx-feat {
  position: relative; overflow: hidden; padding: clamp(18px, 2.2vw, 30px);
  border-radius: var(--r-xl); background: var(--mesh-soft);
  display: flex;
}
.mx-feat::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(70% 60% at 82% 104%, color-mix(in srgb, var(--hue, var(--brand)) 30%, transparent), transparent 72%);
  pointer-events: none;
}
.mx-card {
  position: relative; flex: 1; min-width: 0; display: flex; flex-direction: column;
  padding: clamp(20px, 2.4vw, 30px); border-radius: var(--r-lg);
  background: var(--surface);
}
.mx-card h3 { font-size: 28px; font-weight: 600; letter-spacing: .004em; }
.mx-card .mx-sub { margin-top: 10px; font-size: 13.5px; color: var(--muted); line-height: 1.75; }
.mx-card .btn { margin-top: 20px; align-self: flex-start; }
.mx-mock {
  margin-top: 26px; padding: 16px; border-radius: var(--r);
  background: var(--raised); border: 1px solid var(--line);
  display: grid; gap: 10px;
}
.mx-mock .mm-row { display: flex; align-items: center; gap: 9px; font-size: 12.5px; color: var(--muted); }
.mx-mock .mm-row .ic { width: 15px; height: 15px; color: var(--hue, var(--brand)); }
.mx-mock .mm-row b { color: var(--fg); font-weight: 600; }
.mx-mock .mm-head { display: flex; align-items: baseline; gap: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--line); font-size: 11.5px; color: var(--muted); }
.mx-mock .mm-head b { margin-left: auto; font-family: var(--mono); font-weight: 400; font-size: 11px; color: var(--faint); }
.mx-mock .mm-out { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 2px; }
.mx-mock .mm-out figure { position: relative; margin: 0; overflow: hidden; border-radius: var(--r-xs); border: 1px solid var(--line); background: var(--surface); }
.mx-mock .mm-out img { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; }
.mx-mock .mm-out figcaption { padding: 6px 8px; border-top: 1px solid var(--line); font-size: 10.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.mx-list { display: grid; grid-template-columns: 1fr 1fr; gap: 34px 28px; align-content: start; }
.mx-item { display: flex; flex-direction: column; min-width: 0; cursor: pointer; text-align: left; }
.mx-item .mi-hd { display: flex; align-items: center; gap: 9px; }
.mx-item .mi-hd .ic { width: 20px; height: 20px; color: var(--hue, var(--fg)); }
.mx-item h3 { font-size: 19px; font-weight: 600; letter-spacing: .002em; }
.mx-item .mi-desc {
  margin-top: 10px; font-size: 13.5px; color: var(--muted); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 46px;
}
.mx-item .mi-meta { margin-top: auto; padding-top: 18px; display: grid; gap: 3px; }
.mx-item .mi-meta div { display: flex; gap: 8px; font-family: var(--mono); font-size: 11.5px; color: var(--faint); }
.mx-item .mi-meta b { font-weight: 400; color: var(--muted); }
.mx-item .mi-foot { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 12px; }
.mx-item .mi-count { color: var(--fg); font-weight: 600; font-variant-numeric: tabular-nums; }
.mx-item .mi-used { color: var(--accent-soft); }
.mx-item .mi-used.none { color: var(--faint); }
.mx-item:hover h3 { color: var(--accent-soft); }
.mx-item:hover .mi-foot { border-top-color: color-mix(in srgb, var(--hue, var(--brand)) 40%, var(--line)); }

/* ---------- 原生应用带：整幅浅灰 + 产品演示 ---------- */
.band-apps { background: var(--raised); padding: clamp(64px, 8vw, 104px) 0 clamp(56px, 7vw, 92px); overflow: hidden; }
.band-tabs { display: flex; align-items: center; gap: 14px; margin: 26px 0 clamp(28px, 4vw, 48px); }
.band-tabs .pill-tabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; max-width: 100%; }
.band-tabs .pill-tabs::-webkit-scrollbar { height: 0; }
.band-tabs .pill-tab.on { background: color-mix(in srgb, var(--fg) 6%, var(--surface)); }
.band-stage { position: relative; }
.band-stage .round-nav.lg { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; }
.band-stage .round-nav.lg:active:not(:disabled) { transform: translateY(-50%) scale(.93); }
.band-stage .round-nav.prev { left: -74px; }
.band-stage .round-nav.next { right: -74px; }
.band-flow { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: 34px 0 0; padding: 0; list-style: none; }
.band-flow::before { content: ""; position: absolute; left: 15px; right: 15px; top: 15px; height: 1px; background: var(--line-2); }
.band-flow .bf { position: relative; padding-right: 8px; }
.bf-dot {
  position: relative; z-index: 1; display: grid; place-items: center; width: 31px; height: 31px;
  border-radius: 50%; background: var(--raised); border: 1px solid var(--line-2);
  color: var(--faint); transition: background .3s var(--ease), border-color .3s, color .3s;
}
.bf-dot .ic { width: 15px; height: 15px; transition: opacity .25s; }
.bf-dot i { position: absolute; font-style: normal; font-family: var(--mono); font-size: 12px; opacity: 0; transition: opacity .25s; }
.band-flow .bf.on .bf-dot { background: var(--fg); border-color: var(--fg); color: var(--bg); }
.band-flow .bf.on .bf-dot .ic { opacity: 0; }
.band-flow .bf.on .bf-dot i { opacity: 1; }
.band-flow .bf h4 { font-size: 14.5px; font-weight: 600; margin: 14px 0 6px; color: var(--muted); transition: color .3s; }
.band-flow .bf.on h4 { color: var(--fg); }
.band-flow .bf p { font-size: 12.5px; color: var(--faint); line-height: 1.75; }

/* ---------- 渐变横幅轮播 ---------- */
.promo { position: relative; border-radius: var(--r-xl); overflow: hidden; }
.promo-track { display: grid; grid-auto-flow: column; grid-auto-columns: 100%; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; }
.promo-track::-webkit-scrollbar { height: 0; }
.promo-slide { scroll-snap-align: start; padding: clamp(24px, 3.2vw, 44px) clamp(18px, 7vw, 100px) clamp(44px, 4.4vw, 62px); background: var(--mesh-a); }
.promo-slide[data-tone="2"] { background: var(--mesh-b); }
.promo-slide[data-tone="3"] { background: var(--mesh-c); }
.promo-slide[data-tone="4"] { background: var(--mesh-soft); }
.promo-inner {
  display: grid; grid-template-columns: minmax(0, 240px) minmax(0, 1fr) auto; gap: clamp(20px, 3vw, 44px); align-items: center;
  padding: clamp(22px, 2.6vw, 34px) clamp(24px, 3vw, 40px); border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .2);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, .3);
}
html[data-theme="dark"] .promo-inner { background: rgba(20, 22, 28, .46); border-color: rgba(255, 255, 255, .1); }
.promo-inner h3 { font-size: clamp(20px, 2.2vw, 26px); font-weight: 600; line-height: 1.4; color: #0B0C0F; }
html[data-theme="dark"] .promo-inner h3 { color: var(--fg); }
.promo-inner .p-lead { font-size: 14px; font-weight: 600; color: #0B0C0F; }
.promo-inner .p-desc { font-size: 13.5px; color: rgba(11, 12, 15, .74); line-height: 1.75; margin-top: 4px; }
html[data-theme="dark"] .promo-inner .p-lead { color: var(--fg); }
html[data-theme="dark"] .promo-inner .p-desc { color: var(--muted); }
.promo-dots { position: absolute; left: calc(clamp(18px, 7vw, 100px) + clamp(24px, 3vw, 40px)); bottom: 16px; display: flex; gap: 7px; }
.promo-dots button { width: 7px; height: 7px; border-radius: 50%; background: rgba(255, 255, 255, .6); transition: background .25s, transform .25s; }
.promo-dots button.on { background: #0B0C0F; transform: scale(1.15); }
html[data-theme="dark"] .promo-dots button.on { background: var(--fg); }

/* ---------- 常用功能：两栏大卡 ---------- */
.util-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.util-card { position: relative; overflow: hidden; padding: clamp(24px, 2.6vw, 34px); border-radius: var(--r-lg); background: var(--raised); display: flex; flex-direction: column; }
.util-card.tint { background: var(--mesh-soft); }
.util-card .u-ic { width: 26px; height: 26px; color: var(--fg); opacity: .8; }
.util-card h3 { font-size: 21px; font-weight: 600; margin: 16px 0 10px; }
.util-card > p { font-size: 13.5px; color: var(--muted); line-height: 1.8; max-width: 44ch; }
.util-subs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: auto; padding-top: 26px; }
.util-sub { padding: 18px; border-radius: var(--r); background: var(--surface); box-shadow: var(--sh-1); }
.util-sub b { display: block; font-size: 15px; font-weight: 600; }
.util-sub p { margin-top: 8px; font-size: 12.5px; color: var(--muted); line-height: 1.75; }
.util-cmd { margin-top: auto; padding-top: 26px; }
.util-cmd .uc-label { padding: 14px 18px 0; font-size: 13px; color: var(--muted); }
.util-cmd .uc-box { margin: 0; padding: 14px 18px 18px; }
.util-cmd-wrap { border-radius: var(--r); background: var(--surface); box-shadow: var(--sh-1); }
.util-cmd code { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12.5px; }
.util-cmd code span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.util-cmd code em { font-style: normal; color: var(--accent-soft); }

/* ---------- 数据带：渐变条 + 压边白卡 ---------- */
.stat-band { position: relative; overflow: hidden; padding: clamp(56px, 7vw, 128px) 0; background: var(--mesh-stat); }
.stat-band-in { position: relative; display: grid; grid-template-columns: minmax(0, 470px) minmax(0, 1fr); gap: clamp(32px, 6vw, 120px); align-items: center; }
.stat-copy h2 { font-size: clamp(24px, 2.5vw, 36px); font-weight: 600; line-height: 1.55; letter-spacing: .004em; color: #0B0C0F; text-wrap: balance; }
.stat-copy .btn { margin-top: 28px; }
.stat-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-card {
  display: flex; flex-direction: column; justify-content: space-between;
  height: clamp(150px, 13vw, 196px); padding: clamp(20px, 1.9vw, 28px);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .26);
  backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3);
  border: 1px solid rgba(255, 255, 255, .42);
}
.stat-card.wide { grid-column: 1 / -1; }
.stat-card .sv { display: flex; align-items: baseline; font-size: clamp(38px, 4vw, 58px); font-weight: 600; letter-spacing: -.02em; line-height: 1.1; font-variant-numeric: tabular-nums; color: #0B0C0F; }
.stat-card .sv i { font-style: normal; font-size: .3em; font-weight: 500; color: rgba(11, 12, 15, .5); margin-left: 5px; letter-spacing: 0; }
.stat-card .sl { font-size: 13.5px; color: rgba(11, 12, 15, .68); }
html[data-theme="dark"] .stat-copy h2, html[data-theme="dark"] .stat-card .sv { color: var(--fg); }
html[data-theme="dark"] .stat-card { background: rgba(20, 22, 28, .42); border-color: rgba(255, 255, 255, .12); }
html[data-theme="dark"] .stat-card .sv i { color: var(--faint); }
html[data-theme="dark"] .stat-card .sl { color: var(--muted); }

/* ---------- 资讯：四栏无框 ---------- */
.news-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.news-col { display: flex; flex-direction: column; padding-bottom: 22px; border-bottom: 1px solid var(--line); transition: border-color .25s; }
.news-col h3 { font-size: 17px; font-weight: 600; line-height: 1.5; letter-spacing: .002em; }
.news-col p { margin-top: 14px; font-size: 13px; color: var(--muted); line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; }
.news-col .nc-dt { margin-top: auto; padding-top: 16px; font-family: var(--mono); font-size: 11.5px; color: var(--faint); }
.news-col:hover { border-bottom-color: var(--fg); }
.news-col:hover h3 { color: var(--accent-soft); }

/* ---------- 场景：三卡，首张带柔光图 ---------- */
.lead-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.lead-card { position: relative; overflow: hidden; min-height: 250px; padding: 26px; border-radius: var(--r-lg); background: var(--raised); display: flex; flex-direction: column; transition: box-shadow .3s var(--ease-out), transform .3s var(--ease-out); }
.lead-card:hover { box-shadow: var(--sh-2); transform: translateY(-2px); }
.lead-card .lc-art { position: absolute; inset: 0; }
.lead-card .lc-art img { width: 100%; height: 100%; object-fit: cover; }
.lead-card .lc-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255, 255, 255, .88) 0%, rgba(255, 255, 255, .8) 52%, rgba(255, 255, 255, .6) 100%); }
html[data-theme="dark"] .lead-card .lc-art::after { background: linear-gradient(180deg, rgba(11, 12, 15, .9) 0%, rgba(11, 12, 15, .82) 52%, rgba(11, 12, 15, .64) 100%); }
.lead-card > * { position: relative; }
.lead-card .lc-eyebrow { font-size: 13px; color: var(--muted); }
.lead-card h3 { margin-top: 14px; font-size: 19px; font-weight: 600; line-height: 1.5; }
.lead-card p { margin-top: 12px; font-size: 13px; color: var(--muted); line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.lead-card .lc-go { margin-top: auto; padding-top: 18px; display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 500; color: var(--accent-soft); }
.lead-card .lc-go .ic { width: 15px; height: 15px; transition: transform .25s var(--ease-out); }
.lead-card:hover .lc-go .ic { transform: translateX(4px); }

/* ---------- 收尾 CTA ---------- */
.final-cta { padding: clamp(56px, 7vw, 96px) 0 clamp(48px, 6vw, 80px); border-top: 1px solid var(--line); }
.end-in { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: clamp(24px, 4vw, 64px); align-items: end; }
.end-copy h2 { font-size: clamp(28px, 4.2vw, 44px); font-weight: 600; line-height: 1.3; letter-spacing: .006em; max-width: 20ch; }
.end-copy p { margin-top: 14px; max-width: 46ch; font-size: 15.5px; color: var(--muted); line-height: 1.8; text-wrap: balance; }
.end-act { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding-bottom: 4px; }
.end-facts {
  display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: clamp(32px, 4vw, 52px);
  padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted);
}
.end-facts b { color: var(--fg); font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------- 应用中心：工具条 ---------- */
.mk-bar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.mk-bar h2 { display: flex; align-items: center; gap: 12px; font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; letter-spacing: -.035em; }
.mk-count {
  padding: 3px 12px; border-radius: var(--pill); background: var(--raised); border: 1px solid var(--line);
  font-family: var(--mono); font-size: 12.5px; font-weight: 600; color: var(--muted); letter-spacing: 0;
}
.mk-tools { display: flex; align-items: center; gap: 10px; margin-left: auto; flex-wrap: wrap; }
.mk-tools .search-field { width: 250px; }
.mk-sort { height: 42px; width: 122px; border-radius: var(--pill); background: var(--surface); padding-left: 16px; font-size: 13.5px; font-weight: 500; }
.view-toggle { display: flex; gap: 2px; padding: 4px; border-radius: var(--pill); background: var(--raised); border: 1px solid var(--line); }
.view-toggle button { display: grid; place-items: center; width: 34px; height: 32px; border-radius: var(--pill); color: var(--faint); transition: background .18s, color .18s; }
.view-toggle button .ic { width: 16px; height: 16px; }
.view-toggle button.on { background: var(--surface); color: var(--accent-soft); box-shadow: var(--sh-1); }

/* ---------- 应用中心：侧栏 + 网格 ---------- */
.mk-layout { display: grid; grid-template-columns: 216px minmax(0, 1fr); gap: 28px; align-items: start; }
.mk-side { position: sticky; top: calc(var(--nav-h) + 22px); display: grid; gap: 20px; }
.side-block { display: grid; gap: 4px; }
.side-title {
  display: flex; align-items: center; gap: 8px; width: 100%;
  padding: 6px 4px; font-size: 13.5px; font-weight: 700; color: var(--fg); text-align: left;
}
.side-title .ic { width: 15px; height: 15px; color: var(--muted); }
.side-title .caret { margin-left: auto; transition: transform .24s var(--ease-out); }
.side-block.folded .caret { transform: rotate(-90deg); }
.side-block.folded .side-list { display: none; }
.side-list { display: grid; gap: 2px; }
.side-cat {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 12px; border-radius: var(--r-sm);
  font-size: 13.5px; color: var(--muted); text-align: left;
  border: 1px solid transparent;
  transition: background .16s, color .16s, border-color .16s;
}
.side-cat .ic { width: 16px; height: 16px; color: var(--hue, var(--faint)); }
.side-cat .nm { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-cat .n { font-family: var(--mono); font-size: 11.5px; color: var(--faint); }
.side-cat:hover { background: color-mix(in srgb, var(--hue, var(--brand)) 8%, transparent); color: var(--fg); }
.side-cat.on {
  background: color-mix(in srgb, var(--hue, var(--brand)) 11%, var(--surface));
  border-color: color-mix(in srgb, var(--hue, var(--brand)) 24%, transparent);
  color: var(--hue, var(--accent-soft)); font-weight: 600;
}
.side-cat.on .n { color: inherit; opacity: .75; }

.side-links { display: grid; gap: 2px; }
.side-links a { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: var(--r-sm); font-size: 13px; color: var(--muted); transition: background .16s, color .16s; }
.side-links a .ic { width: 15px; height: 15px; color: var(--faint); }
.side-links a:hover { background: color-mix(in srgb, var(--brand) 7%, transparent); color: var(--accent-soft); }

.side-promo {
  padding: 18px; border-radius: var(--r-lg);
  background: var(--grad-brand); color: #fff;
  box-shadow: 0 12px 30px -14px color-mix(in srgb, var(--brand) 90%, transparent);
}
.side-promo b { display: block; font-size: 15px; font-weight: 700; letter-spacing: -.02em; }
.side-promo p { font-size: 12.5px; line-height: 1.7; opacity: .88; margin: 7px 0 14px; }
.side-promo .btn { background: rgba(255, 255, 255, .95); border-color: transparent; color: #1B1F2A; font-size: 13px; }
.side-promo .btn:hover { background: #fff; color: #1B1F2A; }

.mk-main { min-width: 0; }
.mk-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(288px, 1fr)); gap: 18px; }

/* ---------- 应用卡片 ---------- */
.feature-card {
  position: relative; display: flex; flex-direction: column; gap: 12px;
  padding: 20px; border-radius: var(--r-lg);
  background: var(--surface); border: 1px solid var(--line);
  box-shadow: var(--sh-1); cursor: pointer;
  transition: border-color .22s var(--ease), box-shadow .28s var(--ease-out), transform .28s var(--ease-out);
}
.feature-card.hide { display: none; }
.feature-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(160deg, color-mix(in srgb, var(--hue, var(--brand)) 7%, transparent), transparent 46%);
  opacity: 0; transition: opacity .28s var(--ease);
}
.feature-card:hover, .feature-card:focus-visible {
  border-color: color-mix(in srgb, var(--hue, var(--brand)) 42%, var(--line));
  box-shadow: var(--sh-2); transform: translateY(-3px);
}
.feature-card:hover::before { opacity: 1; }
.feature-card > * { position: relative; }

.fc-top { display: flex; align-items: center; gap: 10px; }
.fc-top .icon-badge { width: 38px; height: 38px; border-radius: 11px; }
.fc-top .icon-badge .ic { width: 19px; height: 19px; }
.fc-add {
  display: grid; place-items: center; width: 30px; height: 30px; margin-left: auto; flex: none;
  border-radius: var(--pill); background: color-mix(in srgb, var(--hue, var(--brand)) 10%, transparent);
  color: var(--hue, var(--brand));
  transition: background .2s, transform .25s var(--ease-out), color .2s;
}
.fc-add .ic { width: 15px; height: 15px; stroke-width: 2.1; }
.feature-card:hover .fc-add { background: var(--hue, var(--brand)); color: #fff; transform: rotate(90deg); }
html[data-theme="dark"] .feature-card:hover .fc-add { color: #0C0E14; }

.fc-name { font-size: 17px; font-weight: 700; letter-spacing: -.028em; }
.fc-key { display: flex; align-items: center; gap: 6px; margin-top: 3px; }
.fc-key code { font-family: var(--mono); font-size: 12px; color: var(--faint); }
.fc-copy { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 5px; color: var(--faint); opacity: 0; transition: opacity .18s, background .18s, color .18s; }
.fc-copy .ic { width: 12px; height: 12px; }
.feature-card:hover .fc-copy, .fc-copy:focus-visible { opacity: 1; }
.fc-copy:hover { background: var(--raised); color: var(--accent-soft); }

.fc-desc {
  font-size: 13.5px; color: var(--muted); line-height: 1.72;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 46px;
}
.fc-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.fc-tags span {
  padding: 2px 9px; border-radius: var(--pill); font-size: 11.5px; line-height: 1.7;
  background: var(--raised); border: 1px solid var(--line); color: var(--muted);
  max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.fc-foot {
  display: flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 13px;
  border-top: 1px solid var(--line); font-size: 12.5px; color: var(--faint);
}
.fc-foot .metric { font-family: var(--mono); font-size: 16px; font-weight: 700; color: var(--fg); letter-spacing: -.03em; }
.fc-foot .metric i { font-style: normal; font-size: 11px; font-weight: 500; color: var(--faint); margin-left: 3px; font-family: var(--sans); }
.fc-foot .go { margin-left: auto; display: inline-flex; align-items: center; gap: 5px; font-weight: 600; color: var(--hue, var(--accent-soft)); }
.fc-foot .go .ic { width: 14px; height: 14px; transition: transform .24s var(--ease-out); }
.feature-card:hover .fc-foot .go .ic { transform: translateX(4px); }

/* 列表视图 */
.mk-grid.list { grid-template-columns: 1fr; gap: 10px; }
.mk-grid.list .feature-card {
  display: grid; align-items: center; gap: 18px; padding: 15px 20px;
  grid-template-columns: 40px 236px minmax(0, 1fr) 168px;
  grid-template-areas: "icon id desc foot";
}
.mk-grid.list .fc-top { display: contents; }
.mk-grid.list .fc-top .icon-badge { grid-area: icon; width: 40px; height: 40px; }
.mk-grid.list .fc-top .chip { display: none; }
.mk-grid.list .fc-add { position: absolute; top: 50%; right: 18px; margin: 0; transform: translateY(-50%); }
.mk-grid.list .feature-card:hover .fc-add { transform: translateY(-50%) rotate(90deg); }
.mk-grid.list .fc-id { grid-area: id; min-width: 0; }
.mk-grid.list .fc-name { font-size: 15.5px; }
.mk-grid.list .fc-desc { grid-area: desc; -webkit-line-clamp: 1; min-height: 0; }
.mk-grid.list .fc-tags { display: none; }
.mk-grid.list .fc-foot { grid-area: foot; margin: 0; padding: 0 42px 0 0; border: 0; justify-content: flex-end; }
.mk-grid.list .feature-card:hover { transform: none; }

.count-note { font-size: 12.5px; color: var(--faint); font-family: var(--mono); }

/* ---------- 筛选条 ---------- */
.filter-bar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-tab {
  padding: 7px 16px; border-radius: var(--pill);
  background: var(--surface); border: 1px solid var(--line);
  font-size: 13.5px; font-weight: 500; color: var(--muted); white-space: nowrap;
  transition: background .18s, border-color .18s, color .18s;
}
.filter-tab:hover { border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); color: var(--accent-soft); }
.filter-tab.on { background: var(--fg); border-color: var(--fg); color: var(--bg); font-weight: 600; }

/* ---------- 工作流 + 演示 ---------- */
.flow { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(28px, 4vw, 60px); align-items: start; }
.flow-sticky { position: sticky; top: calc(var(--nav-h) + 40px); }
.flow-steps { display: grid; gap: 12px; }
.flow-step { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; }
.flow-step .num { font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--faint); padding-top: 3px; }
.flow-step h3 { font-size: 15.5px; font-weight: 700; margin-bottom: 4px; }
.flow-step p { font-size: 13.5px; color: var(--muted); line-height: 1.72; }
.flow-step.active { border-color: color-mix(in srgb, var(--hue, var(--brand)) 45%, var(--line)); box-shadow: var(--sh-2); }
.flow-step.active .num { color: var(--hue, var(--brand)); }

.flow-visual { position: relative; }
.desk {
  border-radius: var(--r-lg); overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--sh-3);
}
.desk-bar { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--raised); flex-wrap: wrap; }
.desk-dots { display: flex; gap: 6px; }
.desk-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); }
.desk-dots i:first-child { background: #FF5F57; }
.desk-dots i:nth-child(2) { background: #FEBC2E; }
.desk-dots i:nth-child(3) { background: #28C840; }
.desk-title { font-size: 12.5px; color: var(--faint); font-weight: 500; }
.desk-scene { margin-left: auto; display: inline-flex; align-items: center; gap: 7px; padding: 5px 13px; border-radius: var(--pill); background: var(--fg); color: var(--bg); font-size: 12.5px; font-weight: 600; }
.desk-scene .ic { width: 14px; height: 14px; }
.desk-body { padding: 20px; min-height: 366px; display: flex; flex-direction: column; gap: 12px; }
.desk-msg { display: flex; gap: 10px; align-items: flex-start; animation: pop .4s var(--ease-out) both; }
.desk-msg .av { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 9px; flex: none; background: color-mix(in srgb, var(--hue, var(--brand)) 12%, transparent); color: var(--hue, var(--brand)); }
.desk-msg .av .ic { width: 15px; height: 15px; }
.desk-msg .bub { padding: 9px 14px; border-radius: 4px 13px 13px 13px; background: var(--raised); border: 1px solid var(--line); font-size: 13.5px; line-height: 1.7; }
.desk-msg.me { flex-direction: row-reverse; }
.desk-msg.me .bub { border-radius: 13px 4px 13px 13px; background: color-mix(in srgb, var(--brand) 10%, var(--surface)); border-color: color-mix(in srgb, var(--brand) 20%, transparent); }
.desk-msg.me .av { background: var(--grad-brand); color: #fff; }

.desk-run { display: grid; gap: 6px; padding: 14px 16px; border-radius: var(--r); background: var(--raised); border: 1px solid var(--line); }
.desk-run-row { display: flex; gap: 9px; align-items: center; font-size: 12.5px; color: var(--faint); transition: color .25s; }
.desk-run-row .ic { width: 14px; height: 14px; }
.desk-run-row b { font-weight: 600; }
.desk-run-row.run { color: var(--brand); }
.desk-run-row.run .ic { animation: spin 1s linear infinite; }
.desk-run-row.done { color: var(--muted); }
.desk-run-row.done .ic { color: var(--ok); }
.desk-bar-track { height: 2px; border-radius: var(--pill); background: var(--line); overflow: hidden; margin-top: 10px; }
.desk-bar-fill { height: 100%; width: 0; border-radius: var(--pill); background: var(--fg); transition: width .5s var(--ease-out); }
.desk-out { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.desk-thumb { position: relative; overflow: hidden; margin: 0; border-radius: var(--r-sm); border: 1px solid var(--line); background: var(--surface); }
.desk-thumb figcaption { display: flex; align-items: baseline; gap: 8px; padding: 8px 10px; border-top: 1px solid var(--line); }
.desk-thumb figcaption b { flex: 1; min-width: 0; font-size: 11.5px; font-weight: 600; color: var(--fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.desk-thumb figcaption em { font-style: normal; font-weight: 400; color: var(--muted); }
.desk-thumb figcaption i { flex: none; font-style: normal; font-family: var(--mono); font-size: 10px; color: var(--faint); }

.desk-thumb.shot { aspect-ratio: 1 / 1; }
.desk-thumb.shot img { position: absolute; inset: 0; width: 100%; height: calc(100% - 31px); object-fit: cover; }
.desk-thumb.shot figcaption { position: absolute; left: 0; right: 0; bottom: 0; background: var(--surface); }
.desk-thumb.shot.video img { object-position: center 32%; }
.dt-play {
  position: absolute; left: 10px; top: 10px; display: grid; place-items: center;
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(11, 12, 15, .5); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  color: #fff;
}
.dt-play .ic { width: 13px; height: 13px; }

.desk-thumb.doc { display: flex; flex-direction: column; padding: 11px 12px 13px; }
.desk-thumb.doc > .ic { width: 16px; height: 16px; color: var(--accent); flex: none; }
.desk-thumb.doc figcaption { padding: 8px 0 7px; border-top: 0; border-bottom: 1px solid var(--line); }
.desk-thumb.doc ul { display: grid; gap: 6px; align-content: start; padding: 9px 0 0; margin: 0; list-style: none; }
.desk-thumb.doc li { position: relative; padding-left: 11px; font-size: 11px; line-height: 1.6; color: var(--muted); }
.desk-thumb.doc li::before { content: ""; position: absolute; left: 0; top: 7px; width: 4px; height: 4px; border-radius: 1px; background: var(--line-2); }
.desk-foot { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-top: 1px solid var(--line); background: var(--raised); }
.desk-input { flex: 1; min-width: 0; padding: 9px 15px; border-radius: var(--pill); background: var(--surface); border: 1px solid var(--line); font-size: 13px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.desk-send { display: grid; place-items: center; width: 36px; height: 36px; border-radius: var(--pill); background: var(--fg); color: var(--bg); flex: none; transition: opacity .2s, transform .2s var(--ease-out); }
.desk-send:hover { opacity: .82; }
.desk-send:active { transform: scale(.92); }
.desk-send .ic { width: 17px; height: 17px; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pop { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- 解决方案 ---------- */
.solution { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr); gap: clamp(22px, 3vw, 42px); padding: clamp(22px, 2.8vw, 36px); margin-bottom: 20px; scroll-margin-top: calc(var(--nav-h) + 24px); }
.solution::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(135deg, color-mix(in srgb, var(--hue, var(--brand)) 6%, transparent), transparent 42%);
}
.solution > * { position: relative; }
.sol-title { font-size: clamp(20px, 2.4vw, 27px); font-weight: 800; letter-spacing: -.032em; margin: 12px 0 10px; }
.sol-summary { font-size: 14.5px; color: var(--muted); line-height: 1.8; }
.pain-list { display: grid; gap: 8px; margin: 18px 0; }
.pain-list li { display: flex; gap: 9px; align-items: flex-start; font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.pain-list .ic { width: 15px; height: 15px; color: var(--err); opacity: .7; margin-top: 4px; }
.sol-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.sol-media { display: grid; align-content: start; }
.sol-steps { display: grid; gap: 10px; }
.sol-step { display: flex; gap: 13px; align-items: flex-start; padding: 14px 16px; border-radius: var(--r); background: var(--raised); border: 1px solid var(--line); }
.sol-step .n { font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--hue, var(--brand)); padding-top: 2px; }
.sol-step b { display: block; font-size: 14px; font-weight: 600; }
.sol-step span span { display: block; font-size: 12.5px; color: var(--muted); line-height: 1.7; margin-top: 2px; }

/* ---------- 场景案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 18px; }
.case-card { padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.case-card .meta { display: flex; gap: 7px; flex-wrap: wrap; }
.case-card h3 { font-size: 18px; font-weight: 700; letter-spacing: -.028em; }
.case-card .sum { font-size: 13.5px; color: var(--muted); line-height: 1.75; }
.ba { display: grid; gap: 8px; margin-top: 2px; }
.ba-row { display: flex; gap: 11px; align-items: flex-start; padding: 12px 14px; border-radius: var(--r-sm); background: var(--raised); border: 1px solid var(--line); }
.ba-row .k { font-size: 11px; font-weight: 700; color: var(--faint); padding: 1px 8px; border-radius: var(--pill); background: var(--surface); border: 1px solid var(--line); flex: none; }
.ba-row p { font-size: 13px; color: var(--muted); line-height: 1.7; }
.ba-row.after { background: color-mix(in srgb, var(--ok) 7%, var(--surface)); border-color: color-mix(in srgb, var(--ok) 18%, transparent); }
.ba-row.after .k { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 26%, transparent); }
.ba-row.after p { color: var(--fg); }

/* ---------- 下载 ---------- */
.dl-hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(24px, 3.4vw, 48px); align-items: center; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.detect-note {
  display: inline-flex; align-items: center; gap: 7px; padding: 5px 14px; border-radius: var(--pill);
  background: color-mix(in srgb, var(--ok) 10%, var(--surface)); border: 1px solid color-mix(in srgb, var(--ok) 22%, transparent);
  font-size: 12.5px; color: var(--ok); margin-bottom: 16px;
}
.detect-note .ic { width: 14px; height: 14px; }

.dl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 18px; }
.dl-card { padding: 22px; display: flex; flex-direction: column; gap: 16px; }
.dl-card.detected { border-color: color-mix(in srgb, var(--ok) 45%, var(--line)); box-shadow: var(--sh-2); }
.dl-top { display: flex; align-items: center; gap: 12px; }
.dl-name { font-size: 16px; font-weight: 700; letter-spacing: -.025em; }
.dl-ver { font-family: var(--mono); font-size: 11.5px; color: var(--faint); margin-top: 2px; }
.dl-meta { display: grid; border-top: 1px solid var(--line); }
.dl-meta > div { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.dl-meta span { font-size: 12.5px; color: var(--faint); flex: none; }
.dl-meta b { font-size: 12.5px; font-weight: 600; font-family: var(--mono); text-align: right; word-break: break-all; }
.dl-note { display: grid; gap: 5px; }
.dl-note p { font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.dl-actions { margin-top: auto; }

.qr-card { display: flex; gap: 18px; align-items: center; padding: 20px; background: var(--raised); }
.qr-box { padding: 10px; border-radius: var(--r); background: #fff; border: 1px solid var(--line); flex: none; }
.qr-box img { width: 116px; height: 116px; }

.steps-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.step-mini { padding: 20px; }
.step-mini .n { font-family: var(--mono); font-size: 10.5px; font-weight: 700; letter-spacing: .12em; color: var(--hue, var(--brand)); }
.step-mini h4 { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; margin: 10px 0 7px; }
.step-mini h4 .ic { width: 16px; height: 16px; color: var(--hue, var(--brand)); }
.step-mini p { font-size: 13px; color: var(--muted); line-height: 1.72; }

/* ---------- 价格 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; align-items: start; }
.price-card { padding: 28px 24px; display: flex; flex-direction: column; gap: 6px; }
.price-card.featured { border-color: color-mix(in srgb, var(--brand) 42%, var(--line)); box-shadow: var(--sh-2); }
.price-card .ribbon { position: absolute; top: -12px; left: 24px; }
.price-name { font-size: 14px; font-weight: 700; color: var(--hue, var(--accent-soft)); }
.price-val { font-family: var(--mono); font-size: clamp(30px, 3.6vw, 42px); font-weight: 700; letter-spacing: -.045em; line-height: 1.2; margin-top: 8px; }
.price-val small { font-size: .38em; font-weight: 600; color: var(--faint); margin-left: 5px; letter-spacing: 0; }
.price-period { font-size: 12.5px; color: var(--faint); }
.price-desc { font-size: 13.5px; color: var(--muted); line-height: 1.75; margin: 14px 0 18px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.price-items { display: grid; gap: 10px; margin-bottom: 24px; }
.price-items li { display: flex; gap: 9px; align-items: flex-start; font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.price-items .ic { width: 15px; height: 15px; color: var(--ok); margin-top: 4px; }
.price-card .btn { margin-top: auto; }

.value-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.value-card { padding: 24px; display: block; }
.value-card h4 { display: flex; align-items: center; gap: 7px; font-size: 16px; font-weight: 700; margin: 16px 0 8px; }
.value-card h4 .ic { width: 15px; height: 15px; color: var(--faint); }
.value-card p { font-size: 13.5px; color: var(--muted); line-height: 1.78; }

/* ---------- 关于 / 联系 ---------- */
.contact-layout { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: clamp(24px, 3.4vw, 48px); align-items: start; }
.fact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.fact { padding: 18px 20px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); }
.fact .k { font-size: 12px; color: var(--faint); }
.fact .v { font-size: 16px; font-weight: 700; letter-spacing: -.025em; margin-top: 5px; word-break: break-word; }

.timeline { display: grid; padding-left: 20px; border-left: 2px solid var(--line); }
.tl-item { position: relative; padding: 0 0 26px 22px; }
.tl-item::before { content: ""; position: absolute; left: -27px; top: 7px; width: 10px; height: 10px; border-radius: 50%; background: var(--surface); border: 2px solid var(--brand); }
.tl-item:last-child { padding-bottom: 0; }
.tl-date { font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--accent-soft); }
.tl-item h4 { font-size: 15.5px; font-weight: 700; margin: 5px 0; }
.tl-item p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

.channel-list { display: grid; gap: 10px; margin-top: 16px; }
.channel { display: flex; align-items: center; gap: 13px; padding: 15px 18px; }
.channel b { display: block; font-size: 14.5px; font-weight: 600; }
.channel span { display: block; font-size: 12.5px; color: var(--muted); line-height: 1.65; }
.channel > div:nth-child(2) { flex: 1; min-width: 0; }
.channel .arrow { width: 16px; height: 16px; color: var(--faint); transition: transform .24s var(--ease-out), color .2s; }
.channel:hover .arrow { transform: translateX(4px); color: var(--hue, var(--brand)); }

/* ---------- 资讯 ---------- */
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 18px; }
.post-card { display: flex; flex-direction: column; overflow: hidden; }
.post-cover { position: relative; aspect-ratio: 16/9; display: grid; place-items: center; overflow: hidden; background: var(--raised); }
.post-cover .gen { position: absolute; inset: 0; background: linear-gradient(135deg, color-mix(in srgb, var(--hue, var(--brand)) 26%, var(--surface)), color-mix(in srgb, var(--hue, var(--brand)) 6%, var(--surface))); }
.post-cover .gen::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--hue, var(--brand)) 30%, transparent) 1px, transparent 0);
  background-size: 18px 18px; opacity: .5;
}
.post-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.post-cover > .ic { position: relative; width: 34px; height: 34px; color: var(--hue, var(--brand)); opacity: .85; }
.post-cover .cat { position: absolute; top: 12px; left: 12px; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(6px); }
.post-body { padding: 20px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.post-body h3 { font-size: 16.5px; font-weight: 700; letter-spacing: -.028em; line-height: 1.45; }
.post-card:hover .post-body h3 { color: var(--accent-soft); }
.post-body .ex { font-size: 13px; color: var(--muted); line-height: 1.72; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-meta { display: flex; align-items: center; gap: 14px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); font-size: 11.5px; color: var(--faint); }
.post-meta span { display: inline-flex; align-items: center; gap: 5px; }
.post-meta .ic { width: 13px; height: 13px; }

.post-list { display: grid; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-1); }
.post-line { display: grid; grid-template-columns: 108px minmax(0, 1fr) 110px; gap: 22px; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--line); transition: background .2s; }
.post-line:last-child { border-bottom: 0; }
.post-line:hover { background: color-mix(in srgb, var(--hue, var(--brand)) 5%, transparent); }
.post-line .dt { font-family: var(--mono); font-size: 12px; color: var(--faint); }
.post-line h3 { font-size: 16px; font-weight: 700; letter-spacing: -.025em; margin: 5px 0 4px; }
.post-line:hover h3 { color: var(--accent-soft); }
.post-line .ex { font-size: 13px; color: var(--muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.post-line .rt { font-size: 12.5px; color: var(--faint); text-align: right; }

/* ---------- 文章 ---------- */
.read-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 95; background: var(--grad-brand); transition: width .12s linear; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 232px; gap: clamp(28px, 4vw, 56px); align-items: start; }
.article { min-width: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(24px, 3.4vw, 48px); box-shadow: var(--sh-1); }
.article-head { padding-bottom: 24px; margin-bottom: 28px; border-bottom: 1px solid var(--line); }
.article-head h1 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; letter-spacing: -.038em; line-height: 1.28; margin: 16px 0 18px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 12.5px; color: var(--faint); }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .ic { width: 14px; height: 14px; }

.prose { font-size: 15.5px; line-height: 1.92; color: var(--muted); }
.prose > * + * { margin-top: 18px; }
.prose h2 { font-size: 22px; font-weight: 700; color: var(--fg); letter-spacing: -.03em; margin-top: 40px; scroll-margin-top: calc(var(--nav-h) + 24px); }
.prose h3 { font-size: 17.5px; font-weight: 700; color: var(--fg); margin-top: 30px; scroll-margin-top: calc(var(--nav-h) + 24px); }
.prose h4 { font-size: 15.5px; font-weight: 700; color: var(--fg); margin-top: 24px; }
.prose strong { color: var(--fg); font-weight: 600; }
.prose a { color: var(--accent-soft); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.prose ul, .prose ol { display: grid; gap: 9px; padding-left: 4px; }
.prose li { position: relative; padding-left: 22px; }
.prose ul li::before { content: ""; position: absolute; left: 4px; top: 12px; width: 6px; height: 6px; border-radius: 2px; background: var(--brand); }
.prose ol { counter-reset: li; }
.prose ol li { counter-increment: li; }
.prose ol li::before { content: counter(li); position: absolute; left: 0; top: 2px; font-family: var(--mono); font-size: 11px; font-weight: 700; color: var(--accent-soft); }
.prose blockquote { padding: 14px 20px; border-left: 3px solid var(--brand); border-radius: 0 var(--r-sm) var(--r-sm) 0; background: color-mix(in srgb, var(--brand) 5%, transparent); color: var(--fg); }
.prose code { font-family: var(--mono); font-size: .87em; padding: 2px 7px; border-radius: 6px; background: var(--raised); border: 1px solid var(--line); color: var(--accent-soft); }
.prose pre { padding: 18px 20px; border-radius: var(--r); background: var(--raised); border: 1px solid var(--line); overflow-x: auto; }
.prose pre code { padding: 0; border: 0; background: none; color: var(--fg); font-size: 13px; line-height: 1.8; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
.prose img { border-radius: var(--r); border: 1px solid var(--line); }

.md-table { width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); margin: 24px 0; background: var(--surface); }
.md-table table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.md-table th, .md-table td { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 11px 15px; text-align: left; vertical-align: top; }
.md-table th { background: var(--raised); color: var(--fg); font-weight: 600; white-space: nowrap; }
.md-table tr > *:last-child { border-right: 0; }
.md-table tbody tr:last-child > * { border-bottom: 0; }

.toc { position: sticky; top: calc(var(--nav-h) + 32px); display: grid; gap: 2px; align-content: start; }
.toc h4 { font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); padding: 0 12px 10px; }
.toc a { padding: 6px 12px; border-radius: var(--r-sm); border-left: 2px solid transparent; font-size: 13px; color: var(--muted); line-height: 1.6; transition: color .18s, background .18s, border-color .18s; }
.toc a.lv3 { padding-left: 26px; font-size: 12.5px; }
.toc a:hover { color: var(--fg); background: var(--raised); }
.toc a.on { color: var(--accent-soft); font-weight: 600; border-left-color: var(--brand); background: color-mix(in srgb, var(--brand) 7%, transparent); }

/* ---------- 更新日志 ---------- */
.changelog { display: grid; gap: 14px; }
.cl-item { display: grid; grid-template-columns: 168px minmax(0, 1fr); gap: 26px; padding: 24px 26px; }
.cl-side { border-right: 1px solid var(--line); padding-right: 22px; }
.cl-side .ver { font-family: var(--mono); font-size: 20px; font-weight: 700; letter-spacing: -.035em; color: var(--hue, var(--brand)); }
.cl-side .date { font-size: 12.5px; color: var(--faint); margin-top: 3px; }
.cl-body h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 12px; }
.cl-body .prose { font-size: 14px; }
.cl-body .prose > * + * { margin-top: 12px; }

/* ---------- 搜索 ---------- */
.search-hero { max-width: 640px; }
.search-hero .search-field { height: 54px; padding: 0 22px; }
.search-hero .search-field .ic { width: 19px; height: 19px; }
.search-hero input { font-size: 16px; }
.result-group { margin-bottom: 32px; }
.result-group h3 { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 700; color: var(--faint); letter-spacing: .02em; margin-bottom: 12px; }
.result-group h3 .ic { width: 16px; height: 16px; }
.result-item { display: block; padding: 16px 20px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); margin-bottom: 8px; transition: border-color .2s, box-shadow .2s, transform .2s var(--ease-out); }
.result-item:hover { border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); box-shadow: var(--sh-2); transform: translateX(3px); }
.result-item b { display: block; font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.result-item p { font-size: 13px; color: var(--muted); line-height: 1.7; }
mark { background: color-mix(in srgb, var(--warn) 26%, transparent); color: var(--fg); padding: 0 3px; border-radius: 4px; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 10px; }
.faq { border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.faq[open] { border-color: color-mix(in srgb, var(--brand) 30%, var(--line)); box-shadow: var(--sh-1); }
.faq summary { display: flex; align-items: center; gap: 11px; padding: 16px 20px; cursor: pointer; font-size: 14.5px; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary > .ic:first-child { width: 17px; height: 17px; color: var(--accent-soft); }
.faq summary span { flex: 1; }
.faq summary > .ic:last-child { width: 15px; height: 15px; color: var(--faint); transition: transform .26s var(--ease-out); }
.faq[open] summary > .ic:last-child { transform: rotate(180deg); }
.faq .ans { padding: 0 20px 20px 48px; font-size: 14px; color: var(--muted); line-height: 1.85; }
.faq .ans > * + * { margin-top: 12px; }
.faq .ans a { color: var(--accent-soft); font-weight: 500; }
.faq .ans ul { display: grid; gap: 6px; }
.faq .ans li { position: relative; padding-left: 18px; }
.faq .ans li::before { content: ""; position: absolute; left: 3px; top: 11px; width: 5px; height: 5px; border-radius: 2px; background: var(--brand); }

/* ---------- CTA ---------- */
.cta-band {
  position: relative; overflow: hidden;
  padding: clamp(38px, 5vw, 68px) clamp(24px, 4vw, 56px);
  border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--line);
  box-shadow: var(--sh-2);
}
.cta-band::before {
  content: ""; position: absolute; inset: -40% -10% auto -10%; height: 420px; pointer-events: none;
  background:
    radial-gradient(42% 60% at 22% 20%, color-mix(in srgb, var(--brand) 20%, transparent), transparent 70%),
    radial-gradient(40% 58% at 78% 10%, color-mix(in srgb, var(--brand-2) 20%, transparent), transparent 70%),
    radial-gradient(36% 50% at 50% 60%, color-mix(in srgb, var(--h-cyan) 14%, transparent), transparent 72%);
}
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(24px, 3.4vw, 38px); font-weight: 800; letter-spacing: -.038em; margin: 16px 0 12px; }
.cta-band p { color: var(--muted); font-size: 15.5px; max-width: 56ch; line-height: 1.8; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

/* ---------- 页脚 ---------- */
.footer { margin-top: clamp(20px, 2vw, 32px); background: var(--surface); }
.footer-top { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: clamp(24px, 3vw, 48px); padding: clamp(30px, 3.4vw, 44px) 0 clamp(34px, 4vw, 52px); }
.footer-brand p { font-size: 13px; color: var(--muted); line-height: 1.8; margin: 16px 0 18px; max-width: 38ch; }
.footer-social { display: flex; gap: 6px; }
.footer-social .icon-btn { border-color: transparent; background: none; width: 36px; height: 36px; color: var(--fg); }
.footer-social .icon-btn:hover { background: var(--raised); color: var(--fg); }
.footer h5 { font-size: 15px; font-weight: 600; margin-bottom: 26px; }
.footer-links { display: grid; gap: 16px; }
.footer-links a { font-size: 14px; color: var(--muted); transition: color .18s; }
.footer-links a:hover { color: var(--fg); }
.footer-bottom { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 0 0 34px; font-size: 12.5px; color: var(--faint); }
.footer-bottom a:hover { color: var(--fg); }
.footer-bottom .sep { flex: 1; }

/* ---------- 抽屉 ---------- */
.drawer-scrim { position: fixed; inset: 0; z-index: 100; background: var(--scrim); backdrop-filter: blur(3px); opacity: 0; visibility: hidden; transition: opacity .28s var(--ease), visibility .28s; }
.drawer-scrim.open { opacity: 1; visibility: visible; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 101;
  width: min(520px, 100%); display: flex; flex-direction: column;
  background: var(--overlay); border-left: 1px solid var(--line); box-shadow: var(--sh-3);
  transform: translateX(100%); visibility: hidden;
  transition: transform .36s var(--ease-out), visibility .36s;
}
.drawer.open { transform: none; visibility: visible; }
.drawer-head { display: flex; align-items: center; gap: 13px; padding: 20px 22px; border-bottom: 1px solid var(--line); flex: none; }
.drawer-head h3 { font-size: 18px; font-weight: 700; letter-spacing: -.03em; }
.drawer-head .sub { font-size: 12.5px; color: var(--faint); font-family: var(--mono); margin-top: 2px; }
.drawer-body { flex: 1; overflow-y: auto; padding: 22px; display: grid; gap: 22px; align-content: start; }
.drawer-block h5 { font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 9px; }
.drawer-block p { font-size: 14px; color: var(--muted); line-height: 1.85; }
.bullet-list { display: grid; gap: 9px; }
.bullet-list li { display: flex; gap: 9px; align-items: flex-start; font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.bullet-list .ic { width: 15px; height: 15px; color: var(--ok); margin-top: 4px; }
.drawer-foot { display: flex; gap: 10px; padding: 16px 22px; border-top: 1px solid var(--line); background: var(--raised); flex: none; }

/* ---------- Toast / 回顶 ---------- */
.toasts { position: fixed; right: 22px; bottom: 22px; z-index: 120; display: grid; gap: 10px; justify-items: end; pointer-events: none; }
.toast {
  display: flex; align-items: center; gap: 10px; pointer-events: auto;
  padding: 12px 18px; border-radius: var(--pill);
  background: var(--overlay); border: 1px solid var(--line); box-shadow: var(--sh-3);
  font-size: 13.5px; font-weight: 500; max-width: min(420px, 88vw);
  animation: toastIn .34s var(--ease-out) both;
}
.toast .ic { width: 16px; height: 16px; }
.toast.ok .ic { color: var(--ok); }
.toast.err .ic { color: var(--err); }
.toast.info .ic { color: var(--info); }
.toast button { margin-left: 6px; padding: 3px 12px; border-radius: var(--pill); background: var(--raised); border: 1px solid var(--line); font-size: 12.5px; font-weight: 600; color: var(--accent-soft); }
.toast.out { animation: toastOut .3s var(--ease) both; }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes toastOut { to { opacity: 0; transform: translateX(20px); } }

.back-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 80;
  width: 44px; height: 44px; background: var(--surface); border-color: var(--line); box-shadow: var(--sh-2);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .26s var(--ease), transform .3s var(--ease-out), visibility .26s;
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top .ic { transform: rotate(-90deg); }

/* ---------- 进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease-out), transform .7s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .06s; }
.reveal[data-d="2"] { transition-delay: .12s; }
.reveal[data-d="3"] { transition-delay: .18s; }
.reveal[data-d="4"] { transition-delay: .24s; }
.reveal[data-d="5"] { transition-delay: .3s; }
.fade-up { animation: fadeUp .7s var(--ease-out) both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .mk-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 22px; }
  .footer-top { grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); }
  .article-layout { grid-template-columns: minmax(0, 1fr) 200px; }
  .hp-hero-in { grid-template-columns: minmax(0, 1fr) 320px; gap: 36px; }
  .matrix { grid-template-columns: minmax(0, 440px) minmax(0, 1fr); gap: 24px; }
  .news-cols { grid-template-columns: 1fr 1fr; gap: 26px 28px; }
  .band-flow { grid-template-columns: 1fr 1fr; gap: 22px; }
  .band-flow::before { display: none; }
}

@media (max-width: 1279px) {
  .band-stage .round-nav.lg { display: none; }
}

@media (max-width: 1180px) {
  .nav .brand-org { display: none; }
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-burger { display: grid; }
  .flow, .solution, .dl-hero { grid-template-columns: minmax(0, 1fr); }
  .flow-sticky { position: static; }
  .article-layout { grid-template-columns: minmax(0, 1fr); }
  .toc { position: static; order: -1; padding: 16px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); }
  .mk-grid.list .feature-card { grid-template-columns: 40px 200px minmax(0, 1fr); grid-template-areas: "icon id desc"; }
  .mk-grid.list .fc-foot { display: none; }
  .mk-grid.list .fc-desc { padding-right: 42px; }
  .hp-hero-in { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .qs-card { max-width: 460px; }
  .matrix { grid-template-columns: minmax(0, 1fr); }
  .mx-feat { min-height: 380px; }
  .util-grid { grid-template-columns: minmax(0, 1fr); }
  .stat-band-in { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .stat-copy h2 { max-width: 24ch; }
  .stat-band {
    background:
      radial-gradient(120% 52% at 50% 0%, #FFFFFF 0%, rgba(255,255,255,.92) 46%, transparent 78%),
      radial-gradient(70% 40% at 12% 74%, #7BE9C6 0%, transparent 66%),
      radial-gradient(70% 44% at 88% 62%, #7C5CFF 0%, transparent 64%),
      linear-gradient(180deg, #F6FBFF 0%, #DCE8FF 38%, #7E92FF 68%, #6FE3C4 100%);
  }
  html[data-theme="dark"] .stat-band {
    background:
      radial-gradient(120% 52% at 50% 0%, #0B0C0F 0%, rgba(11,12,15,.92) 46%, transparent 78%),
      radial-gradient(70% 40% at 12% 74%, #14523C 0%, transparent 66%),
      radial-gradient(70% 44% at 88% 62%, #3A2A7A 0%, transparent 64%),
      linear-gradient(180deg, #0E1418 0%, #1A2340 38%, #2E3A86 68%, #164634 100%);
  }
  .lead-grid { grid-template-columns: minmax(0, 1fr); }
  .lead-card { min-height: 0; }
  .promo-inner { grid-template-columns: minmax(0, 1fr); gap: 18px; text-align: left; }
  .promo-inner .btn { justify-self: start; }
}

@media (max-width: 900px) {
  .mk-layout { grid-template-columns: minmax(0, 1fr); }
  .mk-side { position: static; }
  .mk-side .side-block:not(:first-child), .mk-side .side-promo { display: none; }
  .mk-side .side-title { display: none; }
  .side-list { display: flex !important; gap: 8px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none; }
  .side-list::-webkit-scrollbar { height: 0; }
  .side-cat { width: auto; flex: none; border-radius: var(--pill); border-color: var(--line); background: var(--surface); padding: 8px 15px; }
  .side-cat .n { display: none; }
  .mx-list { gap: 28px 22px; }
}

@media (max-width: 720px) {
  :root { --nav-h: 66px; }
  .wrap, .wrap-wide, .nav-in { padding-left: 20px; padding-right: 20px; }
  .ticker-in { padding-left: 20px; padding-right: 46px; font-size: 12.5px; flex-wrap: nowrap; min-height: 44px; }
  .ticker-in a { min-width: 0; }
  .ticker-in a span { display: none; }
  .ticker-in b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .ticker-in .ic { flex: none; }
  .nav-in { gap: 12px; }
  .nav-right { gap: 4px; margin-left: auto; }
  .nav-search { display: none; }
  .nav-cta { margin-left: 2px; padding-left: 16px; padding-right: 16px; }
  .brand { font-size: 18px; }
  .brand-org { display: none; }
  .hp-hero { padding-top: 20px; }
  .hp-sub { font-size: 15px; }
  .hp-cta { gap: 14px; margin-top: 24px; }
  .bleed { --slide-w: calc(100vw - 40px); }
  .hc-track { gap: 14px; }
  .hc-slide { height: 200px; border-radius: var(--r-lg); }
  .hc-slide .hc-tag { opacity: 1; transform: none; left: 14px; bottom: 14px; padding: 6px 13px; font-size: 12.5px; }
  .hc-dots { margin-top: 16px; padding-left: 20px; }
  .blk-head { gap: 16px; margin-bottom: 20px; }
  .blk-head .btn { height: 40px; }
  .matrix { margin-top: 20px; }
  #mxTabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-inline: -20px; padding-inline: 20px; }
  #mxTabs::-webkit-scrollbar { height: 0; }
  #mxTabs .pill-tab { flex: none; }
  .mx-feat { padding: 22px; min-height: 0; }
  .mx-card h3 { font-size: 23px; }
  .mx-mock { margin-top: 24px; }
  .mx-list { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .mx-item .mi-desc { min-height: 0; }
  .mx-item .mi-meta { padding-top: 14px; }
  .band-tabs { gap: 8px; }
  .band-tabs .round-nav { width: 36px; height: 36px; }
  .band-flow { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .band-flow::before { display: block; left: 15px; right: auto; top: 15px; bottom: 22px; width: 1px; height: auto; }
  .band-flow .bf { padding: 0 0 22px 46px; }
  .band-flow .bf:last-child { padding-bottom: 0; }
  .bf-dot { position: absolute; left: 0; top: 0; }
  .band-flow .bf h4 { margin-top: 3px; }
  .end-in { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .end-facts { gap: 8px 18px; font-size: 12.5px; }
  .desk-out { gap: 8px; }
  .desk-thumb figcaption { padding: 6px 8px; }
  .desk-thumb figcaption b { font-size: 10.5px; }
  .desk-thumb figcaption i, .desk-thumb figcaption em { display: none; }
  .desk-thumb.shot img { height: calc(100% - 25px); }
  .desk-thumb.doc { padding: 9px 9px 0; }
  .desk-thumb.doc li { font-size: 10px; -webkit-line-clamp: 2; display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }
  .dt-play { width: 22px; height: 22px; left: 7px; top: 7px; }
  .promo-slide { padding: 16px 16px 46px; }
  .promo-dots { left: 36px; }
  .promo-inner { padding: 20px; }
  .util-subs { grid-template-columns: minmax(0, 1fr); }
  .stat-band { padding: 48px 0; }
  .stat-cards { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 18px; height: 132px; }
  .stat-card .sl { font-size: 12.5px; }
  .news-cols { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .mk-tools { width: 100%; margin-left: 0; }
  .mk-tools .search-field { flex: 1; width: auto; }
  .mk-grid { grid-template-columns: minmax(0, 1fr); }
  .mk-grid.list .feature-card { display: flex; grid-template-columns: none; grid-template-areas: none; gap: 12px; padding: 20px; }
  .mk-grid.list .fc-top { display: flex; }
  .mk-grid.list .fc-top .chip { display: inline-flex; }
  .mk-grid.list .fc-add { position: static; transform: none; margin-left: auto; }
  .mk-grid.list .feature-card:hover .fc-add { transform: rotate(90deg); }
  .mk-grid.list .fc-tags { display: flex; }
  .mk-grid.list .fc-foot { display: flex; padding: 13px 0 0; border-top: 1px solid var(--line); justify-content: flex-start; }
  .mk-grid.list .fc-desc { -webkit-line-clamp: 2; padding-right: 0; min-height: 46px; }
  .form-row { grid-template-columns: 1fr; }
  .cl-item { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .cl-side { border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 14px; display: flex; align-items: center; gap: 12px; }
  .cl-side .date { margin-top: 0; }
  .post-line { grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 18px 20px; }
  .post-line .rt { text-align: left; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer h5 { margin-bottom: 16px; }
  .footer-links { gap: 12px; }
  .fact-grid { grid-template-columns: 1fr; }
  .qr-card { flex-direction: column; align-items: flex-start; }
  .toasts { right: 14px; left: 14px; bottom: 14px; justify-items: stretch; }
  .toast { max-width: none; }
  .back-top { right: 14px; bottom: 14px; }
  .drawer { width: 100%; border-left: 0; }
  .article { padding: 22px 20px; }
  .faq .ans { padding-left: 20px; }
}

@media (max-width: 480px) {
  .cta-actions .btn, .hp-cta .btn { flex: 1 0 auto; }
  .footer-top { grid-template-columns: 1fr; }
  .price-card, .case-card, .dl-card { padding: 20px; }
  .stat-cards { gap: 10px; }
  .stat-card { padding: 15px; height: 118px; }
  .stat-card .sv { font-size: 32px; }
  .stat-card .sl { font-size: 12px; }
  .qs-tabs { gap: 14px; }
}

@media (max-width: 360px) {
  .nav-in { gap: 8px; padding-left: 16px; padding-right: 16px; }
  .wrap, .wrap-wide { padding-left: 16px; padding-right: 16px; }
  .ticker-in { padding-left: 16px; }
  .nav-cta { padding-left: 12px; padding-right: 12px; font-size: 12px; }
  .nav-cta .ic { display: none; }
  .bleed { --slide-w: calc(100vw - 32px); }
}