/* =========================================================
   NEOSTUDIO 软件工作室 · 站点样式
   UI 复刻参考：WorkBuddy 官网（www.workbuddy.cn）版式与设计语言
   - 亮色底 / 近黑主色 / 品牌绿点缀 / 大圆角 / 胶囊按钮
   - 字体本地化：阿里妈妈数黑体 + 阿里妈妈方圆体 VF
   ========================================================= */

@font-face {
  font-family: 'Alimama ShuHeiTi';
  src: url('../fonts/AlimamaShuHeiTi-Bold.woff2') format('woff2');
  font-display: swap;
  font-weight: 400 900;
}
@font-face {
  font-family: 'Alimama FangYuanTi VF';
  src: url('../fonts/AlimamaFangYuanTiVF-Thin.woff2') format('woff2');
  font-display: swap;
  font-weight: 100 900;
}

/* ============ Design Tokens ============ */
:root {
  --ink: #1a1a1a;
  --ink-2: #646464;
  --ink-3: #9a9a9a;
  --ink-4: #c4c4c4;
  --line: #e5e5e5;
  --line-soft: #f0f0f0;
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --brand: #009273;
  --brand-bright: #00b98d;
  --brand-mint: #f3f9f6;
  --brand-mist: #e8f6ef;
  --dark: #1a1a1a;
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --content: 1200px;
  --gutter: 40px;
  --shadow-card: 0 1px 2px rgba(16, 24, 20, .04), 0 10px 30px rgba(16, 24, 20, .05);
  --shadow-float: 0 24px 70px rgba(16, 40, 32, .14), 0 2px 6px rgba(0, 0, 0, .05);
  --font-display: 'Alimama ShuHeiTi', 'Alimama FangYuanTi VF', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
  --font-body: 'PingFang SC', 'Microsoft YaHei', 'Alimama FangYuanTi VF', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ============ Reset ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul, ol, li { list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

::selection { background: var(--brand-mist); color: var(--brand); }

/* ============ Layout ============ */
.container { width: min(var(--content), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.section { padding-top: 96px; }
.section--tight { padding-top: 72px; }

/* ============ Header ============ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: 65px;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line-soft); background: rgba(255, 255, 255, .93); }
.nav-inner {
  height: 65px;
  padding: 0 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Brand */
.brand { display: inline-flex; align-items: center; gap: 9px; flex-shrink: 0; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(145deg, #00c896, #009273);
  display: grid; place-items: center;
  box-shadow: 0 2px 8px rgba(0, 146, 115, .28);
  transition: transform .3s var(--ease);
}
.brand:hover .brand-mark { transform: rotate(-6deg) scale(1.04); }
.brand-mark svg { width: 18px; height: 18px; }
.brand-text { display: flex; flex-direction: column; gap: 1px; }
.brand-text b {
  font-family: var(--font-display);
  font-size: 13.5px;
  line-height: .96;
  font-weight: 900;
  letter-spacing: .02em;
  color: #111;
}
.brand-caret { font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: #111; margin-left: -3px; align-self: flex-end; }
.brand-caret::after { content: '_'; animation: caret 1.15s steps(1) infinite; }
@keyframes caret { 0%, 49% { opacity: 1 } 50%, 100% { opacity: 0 } }

/* Nav links */
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > li { position: relative; }
.nav-links a {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 14px; font-weight: 400; color: var(--ink-2);
  padding: 6px 14px; border-radius: var(--radius-xs);
  transition: color .25s var(--ease), background .25s var(--ease);
}
.nav-links a:hover { color: var(--ink); background: #f5f5f5; }
.nav-links a.is-active { color: var(--brand); font-weight: 500; }
.nav-links a.is-active:hover { background: var(--brand-mint); }
.nav-links .caret { width: 10px; height: 10px; transition: transform .25s var(--ease); }
.nav-links li:hover .caret { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; translate: -50% 0;
  min-width: 208px; padding: 10px;
  background: #fff; border: 1px solid var(--line-soft); border-radius: 14px;
  box-shadow: 0 18px 48px rgba(16, 24, 20, .1);
  opacity: 0; visibility: hidden; translate: -50% 6px;
  transition: opacity .24s var(--ease), translate .24s var(--ease), visibility .24s;
}
.nav-links li:hover .dropdown { opacity: 1; visibility: visible; translate: -50% 0; }
.dropdown a { display: block; padding: 9px 12px; border-radius: 9px; font-size: 13.5px; color: var(--ink); }
.dropdown a span { display: block; font-size: 12px; color: var(--ink-3); margin-top: 2px; }

.nav-actions { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }
.link-plain { font-size: 14px; color: var(--ink); transition: color .25s var(--ease); }
.link-plain:hover { color: var(--brand); }

/* ============ Buttons ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: var(--radius-pill);
  font-weight: 500; white-space: nowrap;
  transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), color .25s var(--ease);
}
.btn-dark { background: var(--dark); color: #fff; height: 40px; padding: 0 20px; font-size: 13.5px; }
.btn-dark:hover { background: #000; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(0, 0, 0, .18); }
.btn-dark svg { width: 14px; height: 14px; }
.btn-lg { height: 52px; padding: 0 34px; font-size: 15.5px; }
.btn-ghost { background: #fff; color: var(--ink); height: 40px; padding: 0 20px; font-size: 13.5px; border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-brand { background: linear-gradient(135deg, #00c896, #009273); color: #fff; height: 52px; padding: 0 30px; font-size: 15px; box-shadow: 0 10px 26px rgba(0, 146, 115, .25); }
.btn-brand:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(0, 146, 115, .32); }
.btn-text { font-size: 14px; color: var(--ink-2); border-bottom: 1px solid transparent; }
.btn-text:hover { color: var(--ink); border-bottom-color: var(--ink-4); }

/* ============ Hero ============ */
.hero { position: relative; padding-top: 153px; overflow: hidden; background: #fff; }
.hero-glow { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.hero-glow i {
  position: absolute; display: block; border-radius: 50%;
  filter: blur(70px); opacity: .85;
}
.hero-glow i:nth-child(1) { width: 620px; height: 460px; left: -180px; top: 60px; background: radial-gradient(closest-side, #cdf3e4, transparent 72%); }
.hero-glow i:nth-child(2) { width: 700px; height: 520px; right: -200px; top: 20px; background: radial-gradient(closest-side, #d5f6e9, transparent 72%); }
.hero-glow i:nth-child(3) { width: 900px; height: 560px; left: 50%; translate: -50% 0; top: 120px; background: radial-gradient(closest-side, #e6f8f1, transparent 70%); opacity: .7; }
.hero > .container { position: relative; z-index: 1; }

.hero h1 {
  font-family: var(--font-display);
  font-size: 88px; font-weight: 900; letter-spacing: -.012em; line-height: 1.02;
  text-align: center; color: var(--ink);
}
.hero h1 .grad {
  background: linear-gradient(100deg, #00b98d 0%, #009273 55%, #0a7a62 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  margin: 26px auto 0; max-width: 620px;
  font-size: 16px; font-weight: 300; line-height: 28px; color: var(--ink);
  text-align: center;
}
.hero-cta { margin-top: 34px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.hero-meta { display: flex; align-items: center; gap: 22px; margin-top: 30px; justify-content: center; flex-wrap: wrap; }
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--ink-2); font-weight: 300; }
.hero-meta svg { width: 15px; height: 15px; color: var(--brand); }

/* Hero product shot */
.hero-shot-wrap { position: relative; margin: 62px auto 0; width: min(1000px, 100%); }
.hero-shot {
  position: relative; width: 100%;
  border-radius: 14px; overflow: hidden; background: #fff;
  border: 1px solid #e9e9e9;
  box-shadow: var(--shadow-float);
}
.shot-bar { height: 40px; background: #fafafa; border-bottom: 1px solid var(--line-soft); display: flex; align-items: center; padding: 0 16px; gap: 10px; }
.shot-dots { display: flex; gap: 7px; }
.shot-dots i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.shot-dots i:nth-child(1) { background: #ff5f57; }
.shot-dots i:nth-child(2) { background: #febc2e; }
.shot-dots i:nth-child(3) { background: #28c840; }
.shot-bar .addr { flex: 1; height: 22px; border-radius: 6px; background: #f2f2f2; display: flex; align-items: center; padding: 0 10px; font-size: 11px; color: var(--ink-3); font-family: var(--font-mono); }
.shot-body { display: grid; grid-template-columns: 196px 1fr; min-height: 386px; }

.shot-side { background: #fbfbfb; border-right: 1px solid var(--line-soft); padding: 14px 10px; }
.shot-side .side-title { font-size: 11px; font-weight: 600; color: var(--ink-3); padding: 4px 8px 8px; letter-spacing: .04em; }
.side-item { display: flex; align-items: center; gap: 8px; padding: 7px 9px; border-radius: 7px; font-size: 12.5px; color: var(--ink-2); }
.side-item svg { width: 13px; height: 13px; opacity: .7; flex: none; }
.side-item.on { background: #eaf6f1; color: var(--brand); }
.side-item.on svg { opacity: 1; }
.side-item .badge { margin-left: auto; font-size: 10px; background: #efefef; color: var(--ink-2); border-radius: 5px; padding: 1px 5px; }

.shot-main { display: flex; flex-direction: column; min-width: 0; }
.shot-tabs { display: flex; gap: 2px; padding: 0 12px; border-bottom: 1px solid var(--line-soft); }
.shot-tabs span { font-size: 12px; padding: 11px 12px; color: var(--ink-3); border-bottom: 2px solid transparent; }
.shot-tabs span.on { color: var(--ink); border-bottom-color: var(--brand); }
.shot-code { flex: 1; padding: 16px 18px; font-family: var(--font-mono); font-size: 12.2px; line-height: 1.85; background: #fff; overflow: hidden; min-width: 0; }
.shot-code .ln { display: flex; gap: 14px; white-space: pre; }
.shot-code .n { color: #cfcfcf; width: 18px; text-align: right; flex: none; user-select: none; }
.tk-k { color: #a626a4; } .tk-s { color: #50a14f; } .tk-f { color: #4078f2; }
.tk-c { color: #a0a1a7; font-style: italic; } .tk-p { color: #986801; } .tk-t { color: #c18401; }
.shot-status { height: 30px; border-top: 1px solid var(--line-soft); background: #fbfbfb; display: flex; align-items: center; gap: 16px; padding: 0 14px; font-size: 11px; color: var(--ink-3); font-family: var(--font-mono); }
.shot-status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brand-bright); display: inline-block; margin-right: 5px; }

/* Floating chips on the shot */
.hero-chip {
  position: absolute; z-index: 3; background: #fff; border: 1px solid var(--line-soft);
  border-radius: 12px; padding: 10px 14px; box-shadow: 0 14px 34px rgba(16, 40, 32, .12);
  display: flex; align-items: center; gap: 9px; font-size: 12.5px; color: var(--ink);
}
.hero-chip small { display: block; font-size: 10.5px; color: var(--ink-3); font-weight: 300; }
.hero-chip .ic { width: 28px; height: 28px; border-radius: 8px; background: var(--brand-mint); display: grid; place-items: center; color: var(--brand); }
.hero-chip .ic svg { width: 15px; height: 15px; }
.hero-chip--a { left: -46px; top: 128px; animation: float 6s ease-in-out infinite; }
.hero-chip--b { right: -40px; top: 268px; animation: float 7.5s ease-in-out infinite .8s; }
@keyframes float { 0%, 100% { transform: translateY(0) } 50% { transform: translateY(-10px) } }

/* ============ Section header ============ */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand-mint); color: var(--brand);
  border-radius: var(--radius-pill); padding: 6px 14px;
  font-size: 12px; font-weight: 500; letter-spacing: .04em;
}
.eyebrow em { font-style: normal; opacity: .62; letter-spacing: .1em; font-size: 10.5px; text-transform: uppercase; }
.eyebrow--light { background: rgba(255, 255, 255, .82); color: var(--brand); }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; margin-top: 26px; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: 60px; font-weight: 900; line-height: 1.2; letter-spacing: -.01em; color: var(--ink);
}
.section-head .lead { max-width: 400px; font-size: 16px; font-weight: 300; line-height: 28px; color: var(--ink-2); padding-bottom: 6px; }
.section-head--center { flex-direction: column; align-items: center; text-align: center; }
.section-head--center .lead { max-width: 560px; text-align: center; }
.section-head--center h2 { font-size: 52px; margin-top: 24px; }

/* ============ Tabs ============ */
.tabs { display: flex; gap: 8px; margin-top: 34px; flex-wrap: wrap; }
.tab {
  padding: 9px 22px; border-radius: var(--radius-pill);
  font-size: 14px; color: var(--ink-2); background: #fff; border: 1px solid var(--line-soft);
  transition: all .25s var(--ease);
}
.tab:hover { border-color: var(--ink-4); color: var(--ink); }
.tab.is-active { background: var(--ink); border-color: var(--ink); color: #fff; font-weight: 500; }

.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fade .45s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(10px) } to { opacity: 1; transform: none } }

/* ============ Showcase card ============ */
.showcase {
  margin-top: 28px; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(115deg, #f7fbf9 0%, #eef8f3 42%, #e4f5ee 100%);
  border: 1px solid #e2f0ea;
  display: grid; grid-template-columns: 380px 1fr; gap: 0; min-height: 420px;
}
.showcase-copy { padding: 56px 0 56px 56px; display: flex; flex-direction: column; }
.showcase-copy .step { font-family: var(--font-mono); font-size: 12px; color: var(--brand); letter-spacing: .1em; }
.showcase-copy h3 { font-family: var(--font-display); font-size: 32px; font-weight: 900; line-height: 1.36; margin-top: 16px; color: var(--ink); }
.showcase-copy p { margin-top: 18px; font-size: 14px; font-weight: 300; line-height: 26.6px; color: var(--ink-2); max-width: 272px; }
.showcase-copy .kv { margin-top: auto; display: flex; flex-direction: column; gap: 10px; padding-top: 26px; }
.showcase-copy .kv div { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink-2); font-weight: 300; }
.showcase-copy .kv svg { width: 14px; height: 14px; color: var(--brand); flex: none; }

.showcase-visual { position: relative; padding: 34px 40px 34px 20px; display: flex; align-items: center; }
.mock {
  width: 100%; background: #fff; border-radius: 14px; border: 1px solid #e9eef0;
  box-shadow: 0 20px 46px rgba(16, 40, 32, .1); overflow: hidden;
}
.mock-bar { height: 34px; background: #fbfbfb; border-bottom: 1px solid var(--line-soft); display: flex; align-items: center; justify-content: space-between; padding: 0 12px; }
.mock-bar .dots { display: flex; gap: 6px; }
.mock-bar .dots i { width: 9px; height: 9px; border-radius: 50%; background: #e2e2e2; display: block; }
.mock-bar .ttl { font-size: 11px; color: var(--ink-3); font-family: var(--font-mono); }
.mock-inner { padding: 16px; display: grid; gap: 12px; }

.mock-line { height: 10px; border-radius: 5px; background: #f0f2f3; }
.mock-line.w90 { width: 90% } .mock-line.w75 { width: 75% } .mock-line.w60 { width: 60% } .mock-line.w40 { width: 40% }
.mock-title { height: 16px; width: 46%; border-radius: 5px; background: #dfe6e4; }
.mock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mock-card { border: 1px solid var(--line-soft); border-radius: 9px; padding: 10px; display: grid; gap: 8px; }
.mock-chart { display: flex; align-items: flex-end; gap: 6px; height: 84px; padding-top: 6px; }
.mock-chart i { flex: 1; border-radius: 4px 4px 2px 2px; background: linear-gradient(180deg, #b6e9d6, #7fd8bb); display: block; }
.mock-chart i:nth-child(1) { height: 42% } .mock-chart i:nth-child(2) { height: 66% }
.mock-chart i:nth-child(3) { height: 34% } .mock-chart i:nth-child(4) { height: 82% }
.mock-chart i:nth-child(5) { height: 58% } .mock-chart i:nth-child(6) { height: 92% }
.mock-chart i:nth-child(7) { height: 70% }

.float-note {
  position: absolute; right: 26px; bottom: 30px; width: 250px;
  background: #fff; border-radius: 12px; border: 1px solid #e9eef0;
  box-shadow: 0 18px 44px rgba(16, 40, 32, .14); padding: 14px 16px;
}
.float-note .tag { font-size: 10.5px; color: var(--brand); background: var(--brand-mint); border-radius: 5px; padding: 2px 7px; display: inline-block; }
.float-note h5 { font-size: 13px; font-weight: 600; margin-top: 9px; }
.float-note p { font-size: 11.5px; color: var(--ink-2); font-weight: 300; line-height: 1.7; margin-top: 6px; }

/* ============ Ecosystem marquee ============ */
.section-eco { position: relative; overflow: hidden; }
.eco-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(58deg, #ebebeb 0 1px, transparent 1px 8px),
    repeating-linear-gradient(-58deg, #f0f0f0 0 1px, transparent 1px 8px);
  -webkit-mask-image: radial-gradient(ellipse 74% 62% at 50% 46%, #000 12%, transparent 74%);
  mask-image: radial-gradient(ellipse 74% 62% at 50% 46%, #000 12%, transparent 74%);
}
.section-eco > .container { position: relative; z-index: 1; }
.marquee { margin-top: 56px; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 18px; width: max-content; animation: slide 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%) } }
.eco-card {
  display: flex; align-items: center; gap: 12px;
  background: #fff; border: 1px solid var(--line-soft); border-radius: 14px;
  padding: 18px 30px; min-width: 196px;
  box-shadow: 0 1px 2px rgba(16, 24, 20, .03), 0 8px 22px rgba(16, 24, 20, .04);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.eco-card:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(16, 24, 20, .09); }
.eco-card svg { width: 24px; height: 24px; flex: none; }
.eco-card b { font-size: 14.5px; font-weight: 500; white-space: nowrap; }
.eco-card small { font-size: 11px; color: var(--ink-3); display: block; font-weight: 300; }

/* ============ Feature cards (安全性区块) ============ */
.section-trust {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f4fbf8 34%, #eaf7f1 100%);
  padding-bottom: 96px;
}
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.trust-card {
  background: #fff; border: 1px solid #eaf0ee; border-radius: var(--radius);
  padding: 30px 30px 34px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.trust-card:hover { transform: translateY(-4px); box-shadow: 0 18px 44px rgba(16, 40, 32, .1); }
.trust-card .ico {
  width: 44px; height: 44px; border-radius: 12px; background: var(--brand-mint);
  display: grid; place-items: center; color: var(--brand);
}
.trust-card .ico svg { width: 21px; height: 21px; }
.trust-card h3 { font-size: 19px; font-weight: 400; margin-top: 22px; }
.trust-card p { font-size: 14px; font-weight: 300; line-height: 26.6px; color: var(--ink-2); margin-top: 12px; }
.trust-card .stats { display: flex; gap: 26px; margin-top: 22px; padding-top: 20px; border-top: 1px dashed var(--line); }
.trust-card .stats b { font-family: var(--font-display); font-size: 26px; font-weight: 900; color: var(--brand); display: block; line-height: 1.1; }
.trust-card .stats small { font-size: 11.5px; color: var(--ink-3); font-weight: 300; }

/* ============ CTA / platform grid ============ */
.section-cta { position: relative; overflow: hidden; background: linear-gradient(180deg, #f2faf6 0%, #eaf7f1 100%); padding: 120px 0; }
.section-cta + .site-footer { margin-top: 0; }
.plat-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 14px; margin-top: 52px; }
.plat {
  background: #fff; border: 1px solid transparent; border-radius: var(--radius);
  padding: 24px 10px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 11px;
  transition: all .3s var(--ease); position: relative;
}
.plat:hover { transform: translateY(-4px); box-shadow: 0 16px 38px rgba(16, 40, 32, .1); }
.plat.is-current { border-color: #b7ead6; background: linear-gradient(180deg, #f2fbf7, #fff); }
.plat.is-current::before {
  content: '响应最快'; position: absolute; top: -11px; left: 50%; translate: -50% 0;
  background: var(--brand); color: #fff; font-size: 10.5px; padding: 3px 10px; border-radius: var(--radius-pill); white-space: nowrap;
}
.plat svg { width: 27px; height: 27px; color: var(--ink); }
.plat b { font-size: 13.5px; font-weight: 500; }
.plat small { font-size: 11px; color: var(--ink-3); font-weight: 300; }

/* ============ Footer ============ */
.site-footer { background: #0a0a0a; color: #fff; padding-top: 72px; position: relative; overflow: hidden; }
.footer-top { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); gap: 40px; }
.footer-brand .brand-text b { color: #fff; }
.footer-brand .brand-caret { color: #fff; }
.footer-brand p { margin-top: 20px; font-size: 13.5px; font-weight: 300; line-height: 1.85; color: rgba(255, 255, 255, .55); max-width: 320px; }
.footer-social { display: flex; gap: 10px; margin-top: 22px; }
.footer-social a { width: 34px; height: 34px; border-radius: 9px; background: rgba(255, 255, 255, .08); display: grid; place-items: center; transition: background .25s var(--ease); }
.footer-social a:hover { background: var(--brand); }
.footer-social svg { width: 16px; height: 16px; }
.footer-col h3 { font-size: 14px; font-weight: 500; margin-bottom: 18px; }
.footer-col li + li { margin-top: 12px; }
.footer-col a { font-size: 13.5px; color: rgba(255, 255, 255, .55); font-weight: 300; transition: color .25s var(--ease); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  margin-top: 56px; padding: 22px 0; border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  font-size: 12px; color: rgba(255, 255, 255, .42); font-weight: 300;
}
.footer-legal { display: flex; gap: 10px; align-items: center; }
.footer-legal span + span::before { content: '|'; margin-right: 10px; opacity: .4; }
.footer-watermark {
  font-family: var(--font-display);
  font-size: clamp(80px, 27vw, 400px); font-weight: 900; line-height: .78; letter-spacing: .01em;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .13);
  user-select: none; white-space: nowrap; margin-top: 22px; margin-bottom: -6px;
  display: flex; align-items: flex-end; gap: .1em;
}

/* ============ 子页面通用 ============ */
.page-hero { padding: 153px 0 72px; position: relative; overflow: hidden; background: linear-gradient(180deg, #f4fbf8, #fff); }
.page-hero h1 { font-family: var(--font-display); font-size: 62px; font-weight: 900; line-height: 1.16; letter-spacing: -.01em; }
.page-hero .lead { margin-top: 20px; max-width: 640px; font-size: 16px; font-weight: 300; line-height: 30px; color: var(--ink-2); }
.page-hero .hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.breadcrumb { font-size: 12.5px; color: var(--ink-3); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--brand); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.card {
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 30px; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: #e6ebe9; }
.card h3 { font-size: 19px; font-weight: 400; }
.card p { margin-top: 12px; font-size: 14px; font-weight: 300; line-height: 26.6px; color: var(--ink-2); }
.card .ico { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-mint); color: var(--brand); display: grid; place-items: center; margin-bottom: 20px; }
.card .ico svg { width: 21px; height: 21px; }
.card ul { margin-top: 18px; display: grid; gap: 9px; }
.card ul li { font-size: 13.5px; color: var(--ink-2); font-weight: 300; display: flex; gap: 9px; align-items: flex-start; }
.card ul li::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--brand-bright); margin-top: 9px; flex: none; }

/* 价格表 */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; align-items: start; }
.price-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 30px 38px; position: relative; transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.price-card.featured { border-color: var(--brand); box-shadow: 0 20px 50px rgba(0, 146, 115, .14); }
.price-card.featured::before { content: '最受欢迎'; position: absolute; top: -12px; left: 30px; background: var(--brand); color: #fff; font-size: 11px; padding: 4px 12px; border-radius: var(--radius-pill); }
.price-card h3 { font-size: 17px; font-weight: 500; }
.price-card .desc { margin-top: 8px; font-size: 13px; color: var(--ink-2); font-weight: 300; }
.price-card .amount { font-family: var(--font-display); font-size: 46px; font-weight: 900; margin-top: 22px; line-height: 1; }
.price-card .amount small { font-family: var(--font-body); font-size: 13px; font-weight: 300; color: var(--ink-3); margin-left: 4px; }
.price-card ul { margin-top: 26px; display: grid; gap: 12px; padding-top: 24px; border-top: 1px solid var(--line-soft); }
.price-card ul li { font-size: 13.5px; color: var(--ink-2); font-weight: 300; display: flex; gap: 10px; }
.price-card ul li svg { width: 15px; height: 15px; color: var(--brand); flex: none; margin-top: 4px; }
.price-card .btn { width: 100%; margin-top: 28px; height: 48px; font-size: 14.5px; }

/* 案例 */
.work-card { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line-soft); background: #fff; transition: transform .3s var(--ease), box-shadow .3s var(--ease); display: flex; flex-direction: column; }
.work-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); }
.work-thumb { height: 210px; position: relative; overflow: hidden; background: linear-gradient(135deg, #eef8f3, #d9f0e6); display: grid; place-items: center; }
.work-thumb .mock { width: 78%; }
.work-body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.work-body .tags { display: flex; gap: 8px; flex-wrap: wrap; }
.work-body .tags span { font-size: 11.5px; color: var(--brand); background: var(--brand-mint); border-radius: 6px; padding: 3px 9px; }
.work-body h3 { font-size: 17px; font-weight: 500; margin-top: 14px; }
.work-body p { margin-top: 10px; font-size: 13.5px; font-weight: 300; line-height: 25px; color: var(--ink-2); }
.work-body .metrics { display: flex; gap: 22px; margin-top: auto; padding-top: 20px; }
.work-body .metrics b { font-family: var(--font-display); font-size: 21px; font-weight: 900; color: var(--brand); display: block; }
.work-body .metrics small { font-size: 11px; color: var(--ink-3); font-weight: 300; }

/* 联系 / 表单 */
.contact-grid { display: grid; grid-template-columns: 1fr 420px; gap: 40px; align-items: start; }
.form-row { display: grid; gap: 8px; margin-bottom: 18px; }
.form-row label { font-size: 13px; font-weight: 500; }
.form-row label em { color: var(--brand); font-style: normal; }
.form-row input, .form-row textarea, .form-row select {
  border: 1px solid var(--line); border-radius: 12px; padding: 13px 15px; font-size: 14px;
  background: #fff; transition: border-color .25s var(--ease), box-shadow .25s var(--ease); width: 100%;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(0, 146, 115, .1);
}
.form-row textarea { min-height: 132px; resize: vertical; }
.form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { font-size: 12px; color: var(--ink-3); font-weight: 300; margin-top: 14px; }
.form-ok { display: none; margin-top: 16px; padding: 14px 16px; border-radius: 12px; background: var(--brand-mint); color: var(--brand); font-size: 13.5px; }
.form-ok.show { display: block; }

.contact-side .card + .card { margin-top: 18px; }
.contact-line { display: flex; gap: 14px; align-items: flex-start; }
.contact-line .ico { margin-bottom: 0; flex: none; width: 40px; height: 40px; }
.contact-line b { font-size: 14px; font-weight: 500; display: block; }
.contact-line span { font-size: 13px; color: var(--ink-2); font-weight: 300; }
.qr { width: 108px; height: 108px; border-radius: 10px; background: repeating-conic-gradient(#1a1a1a 0 25%, #fff 0 50%) 0 0/11px 11px; border: 6px solid #fff; box-shadow: 0 6px 18px rgba(0, 0, 0, .12); }

/* 时间线 / 流程 */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 48px; position: relative; }
.steps::before { content: ''; position: absolute; top: 21px; left: 4%; right: 4%; height: 1px; background: linear-gradient(90deg, var(--brand-mist), var(--brand-bright), var(--brand-mist)); }
.step-item { position: relative; text-align: center; }
.step-item .num {
  width: 42px; height: 42px; border-radius: 50%; background: #fff; border: 1px solid var(--line);
  display: grid; place-items: center; margin: 0 auto 16px; font-family: var(--font-mono); font-size: 13px; color: var(--brand);
  position: relative; z-index: 1;
}
.step-item h4 { font-size: 15px; font-weight: 500; }
.step-item p { font-size: 13px; color: var(--ink-2); font-weight: 300; line-height: 24px; margin-top: 8px; }

/* 表格 */
.table-wrap { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: var(--radius); background: #fff; margin-top: 34px; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { text-align: left; padding: 16px 22px; font-size: 13.5px; }
thead th { font-weight: 500; font-size: 13px; color: var(--ink-2); background: #fbfbfb; border-bottom: 1px solid var(--line-soft); }
tbody tr + tr td { border-top: 1px solid var(--line-soft); }
tbody td:first-child { font-weight: 500; }
td .yes { color: var(--brand); font-weight: 500; }
td .no { color: var(--ink-4); }

/* FAQ */
.faq { margin-top: 40px; border-top: 1px solid var(--line-soft); }
.faq details { border-bottom: 1px solid var(--line-soft); }
.faq summary {
  list-style: none; cursor: pointer; padding: 24px 4px; font-size: 16px; font-weight: 400;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 20px; color: var(--ink-3); transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); color: var(--brand); }
.faq .ans { padding: 0 4px 26px; font-size: 14px; font-weight: 300; line-height: 27px; color: var(--ink-2); max-width: 860px; }

/* 滚动出现动画 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* 回到顶部 */
.to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 180;
  width: 44px; height: 44px; border-radius: 50%; background: var(--ink); color: #fff;
  display: grid; place-items: center; box-shadow: 0 10px 26px rgba(0, 0, 0, .22);
  opacity: 0; visibility: hidden; translate: 0 10px; transition: all .3s var(--ease);
}
.to-top.show { opacity: 1; visibility: visible; translate: 0 0; }
.to-top:hover { background: var(--brand); }
.to-top svg { width: 17px; height: 17px; }

/* 移动端菜单 */
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; place-items: center; }
.nav-toggle svg { width: 20px; height: 20px; }

/* ============ Responsive ============ */
@media (max-width: 1180px) {
  :root { --gutter: 32px; }
  .hero h1 { font-size: 72px; }
  .section-head h2 { font-size: 52px; }
  .footer-top { grid-template-columns: 1fr 1fr 1fr; row-gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }
  .showcase { grid-template-columns: 330px 1fr; }
  .showcase-copy { padding: 44px 0 44px 40px; }
  .contact-grid { grid-template-columns: 1fr 360px; }
}

@media (max-width: 900px) {
  :root { --gutter: 20px; }
  .nav-links { display: none; }
  .nav-toggle { display: grid; }
  .nav-actions .link-plain { display: none; }
  .nav-inner { padding: 0 20px; }
  .hero { padding-top: 124px; }
  .hero h1 { font-size: 40px; letter-spacing: -.01em; word-break: keep-all; }
  .hero-sub { font-size: 15px; line-height: 26px; }
  .section { padding-top: 68px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 20px; }
  .section-head h2 { font-size: 38px; }
  .section-head .lead { max-width: none; }
  .section-head--center { align-items: center; }
  .section-head--center h2 { font-size: 34px; }
  .showcase { grid-template-columns: 1fr; }
  .showcase-copy { padding: 34px 28px 8px; }
  .showcase-copy p { max-width: none; }
  .showcase-visual { padding: 20px 24px 30px; }
  .float-note { position: static; width: auto; margin-top: 14px; box-shadow: 0 10px 26px rgba(16, 40, 32, .1); }
  .hero-chip { display: none; }
  .trust-grid, .grid-3, .price-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .plat-grid { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .steps::before { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
  .page-hero { padding: 120px 0 56px; }
  .page-hero h1 { font-size: 40px; }
  .shot-body { grid-template-columns: 1fr; }
  .shot-side { display: none; }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 36px; }
  .hero-meta { gap: 14px; }
  .plat-grid { grid-template-columns: 1fr 1fr; }
  .form-2col { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* 移动端抽屉菜单 */
.mobile-menu {
  position: fixed; inset: 65px 0 auto 0; z-index: 190;
  background: #fff; border-bottom: 1px solid var(--line-soft);
  padding: 16px 20px 24px; box-shadow: 0 20px 40px rgba(16, 24, 20, .1);
  display: none; flex-direction: column; gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 12px 10px; border-radius: 10px; font-size: 15px; }
.mobile-menu a:hover, .mobile-menu a.is-active { background: var(--brand-mint); color: var(--brand); }
.mobile-menu .btn { margin-top: 12px; }