/* =========================================================
   福田产投企业官网 - 样式表
   风格参考 zuolin.com：深色科技感 / 渐变 / 微动效
   ========================================================= */

/* CSS Reset & 基础 */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; padding: 0; }
input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

/* 设计变量 */
:root {
  /* 色彩系统 - 福田深蓝科技 */
  --c-bg: #050b1c;
  --c-bg-2: #0a1530;
  --c-bg-3: #0e1a3a;
  --c-card: rgba(255, 255, 255, 0.04);
  --c-card-border: rgba(255, 255, 255, 0.08);
  --c-line: rgba(255, 255, 255, 0.1);

  --c-primary: #2f7bff;
  --c-primary-2: #00c6ff;
  --c-primary-deep: #0a3a8c;
  --c-accent: #00e0d3;
  --c-warm: #ff8a3d;

  --c-text: #e6ecf6;
  --c-text-soft: #a3b1c8;
  --c-text-dim: #6b7891;

  --c-white: #ffffff;

  /* 渐变 */
  --grad-brand: linear-gradient(135deg, #2f7bff 0%, #00c6ff 100%);
  --grad-deep: linear-gradient(135deg, #0a3a8c 0%, #2f7bff 50%, #00c6ff 100%);
  --grad-text: linear-gradient(90deg, #2f7bff 0%, #00c6ff 60%, #00e0d3 100%);

  /* 圆角 */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  /* 阴影 */
  --sh-1: 0 4px 16px rgba(0, 0, 0, 0.15);
  --sh-2: 0 10px 30px rgba(0, 30, 90, 0.35);
  --sh-3: 0 20px 60px rgba(0, 60, 180, 0.25);

  /* 间距 */
  --container: 1240px;
  --pad-x: clamp(20px, 4vw, 40px);

  /* 动效 */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-2: cubic-bezier(0.65, 0, 0.35, 1);
}

/* 全局 */
body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--pad-x); }

/* 加载进度条 */
.page-loader {
  position: fixed; top: 0; left: 0; right: 0; height: 3px;
  background: rgba(255,255,255,0.04);
  z-index: 9999;
  pointer-events: none;
}
.loader-bar {
  height: 100%; width: 0;
  background: var(--grad-brand);
  transition: width .5s var(--ease);
}
.page-loader.is-done .loader-bar { width: 100%; opacity: 0; transition: width .3s var(--ease), opacity .4s .4s; }

/* 选择文本 */
::selection { background: rgba(47, 123, 255, 0.35); color: #fff; }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #1a3a7a, #2f7bff); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #2f7bff, #00c6ff); }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 0;
  background: transparent;
  transition: all .4s var(--ease);
  backdrop-filter: blur(0);
}
.navbar.is-scrolled {
  padding: 12px 0;
  background: rgba(5, 11, 28, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; }
.brand-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  transition: transform .35s var(--ease);
}
.brand:hover .brand-logo { transform: scale(1.03); }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  position: relative;
  padding: 10px 16px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--c-text-soft);
  border-radius: 8px;
  transition: all .3s var(--ease);
}
.nav-links a::after {
  content: ''; position: absolute; left: 50%; bottom: 4px; height: 2px; width: 0;
  background: var(--grad-brand); border-radius: 2px;
  transform: translateX(-50%);
  transition: width .3s var(--ease);
}
.nav-links a:hover { color: var(--c-white); }
.nav-links a:hover::after { width: calc(100% - 32px); }
.nav-links a.is-active { color: var(--c-white); }
.nav-links a.is-active::after { width: calc(100% - 32px); }
.nav-cta {
  background: var(--grad-brand);
  color: #fff !important;
  font-weight: 600;
  margin-left: 8px;
  box-shadow: 0 6px 20px rgba(47, 123, 255, 0.35);
  transition: all .3s var(--ease);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(47, 123, 255, 0.5); }
.nav-cta::after { display: none !important; }

.nav-toggle { display: none; width: 40px; height: 40px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--c-white); border-radius: 2px; transition: all .3s var(--ease); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 英雄区 ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; animation: heroZoom 24s ease-in-out infinite alternate; }
@keyframes heroZoom { 0% { transform: scale(1.05); } 100% { transform: scale(1.15); } }
.hero-overlay {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(5,11,28,0.5) 0%, rgba(5,11,28,0.7) 50%, rgba(5,11,28,0.95) 100%),
    radial-gradient(ellipse at 30% 60%, rgba(47, 123, 255, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 30%, rgba(0, 198, 255, 0.1) 0%, transparent 40%);
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1; opacity: 0.4;
  background-image:
    linear-gradient(rgba(47, 123, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 123, 255, 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

.hero-inner { display: flex; flex-direction: column; gap: 60px; width: 100%; }
.hero-content { max-width: 820px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  background: rgba(47, 123, 255, 0.12);
  border: 1px solid rgba(47, 123, 255, 0.3);
  border-radius: 100px;
  font-size: 13px; color: #b8d4ff; font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c-primary-2); box-shadow: 0 0 0 4px rgba(0, 198, 255, 0.2); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero-title { font-size: clamp(48px, 7vw, 92px); font-weight: 900; line-height: 1.05; letter-spacing: -1px; margin-bottom: 24px; }
.title-line { display: block; }
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-tagline { font-size: clamp(18px, 2vw, 22px); color: var(--c-white); margin-bottom: 24px; letter-spacing: 4px; font-weight: 300; }
.hero-desc { font-size: 16.5px; color: var(--c-white); max-width: 640px; margin-bottom: 40px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  font-size: 15px; font-weight: 600;
  border-radius: 100px;
  transition: all .3s var(--ease);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 10px 30px rgba(47, 123, 255, 0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(47, 123, 255, 0.55); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--c-white);
  border-color: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.3); }
.btn-block { width: 100%; justify-content: center; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-card-border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(20px);
}
.stat { text-align: center; padding: 0 8px; position: relative; }
.stat + .stat::before {
  content: ''; position: absolute; left: 0; top: 20%; height: 60%; width: 1px;
  background: var(--c-line);
}
.stat-num { display: inline-block; font-size: clamp(36px, 4.5vw, 56px); font-weight: 800; color: var(--c-white); line-height: 1; font-variant-numeric: tabular-nums; }
.stat-num-unit { display: inline-block; font-size: 20px; font-weight: 700; color: var(--c-primary-2); margin-left: 4px; }
.stat-label { font-size: 13px; color: var(--c-white); margin-top: 10px; }

.scroll-hint {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--c-text-soft); font-size: 10px; letter-spacing: 2px;
  animation: float 2.5s ease-in-out infinite;
}
.scroll-mouse { width: 22px; height: 36px; border: 2px solid rgba(255,255,255,0.3); border-radius: 14px; position: relative; }
.wheel { position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; background: var(--c-primary-2); border-radius: 2px; transform: translateX(-50%); animation: wheel 1.8s ease-in-out infinite; }
@keyframes wheel { 0% { transform: translate(-50%, 0); opacity: 1; } 100% { transform: translate(-50%, 12px); opacity: 0; } }
@keyframes float { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, -8px); } }

/* ===== 新闻快讯 ===== */
.news-ticker { background: linear-gradient(90deg, rgba(47, 123, 255, 0.1), rgba(0, 198, 255, 0.06)); border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); padding: 14px 0; overflow: hidden; }
.ticker-inner { display: flex; align-items: center; gap: 24px; }
.ticker-label {
  display: flex; align-items: center; gap: 8px;
  flex-shrink: 0;
  padding: 6px 14px; background: rgba(47, 123, 255, 0.2);
  border-radius: 6px; font-size: 12.5px; font-weight: 600; color: #b8d4ff;
}
.pulse { width: 7px; height: 7px; border-radius: 50%; background: #ff5555; box-shadow: 0 0 0 0 rgba(255, 85, 85, 0.6); animation: redpulse 1.6s infinite; }
@keyframes redpulse { 0% { box-shadow: 0 0 0 0 rgba(255, 85, 85, 0.6); } 70% { box-shadow: 0 0 0 8px rgba(255, 85, 85, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 85, 85, 0); } }
.ticker-content { flex: 1; overflow: hidden; }
.ticker-track {
  display: inline-flex; gap: 32px; align-items: center;
  white-space: nowrap;
  animation: tickerMove 45s linear infinite;
  font-size: 14px; color: var(--c-text-soft);
}
.ticker-track span { display: inline-block; }
.ticker-track span:nth-child(even) { color: var(--c-primary-2); font-weight: 700; }
@keyframes tickerMove { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ===== Section 通用 ===== */
.section { padding: clamp(70px, 9vw, 130px) 0; position: relative; }
.section + .section { border-top: 1px solid rgba(255, 255, 255, 0.04); }
.section-head { max-width: 760px; margin: 0 auto 60px; text-align: center; }
.section-head--light { color: var(--c-white); }
.section-eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 4px; color: var(--c-primary-2);
  margin-bottom: 16px;
  position: relative; padding: 0 24px;
}
.section-eyebrow::before, .section-eyebrow::after {
  content: ''; position: absolute; top: 50%; width: 16px; height: 1px; background: var(--c-primary-2);
}
.section-eyebrow::before { left: 0; }
.section-eyebrow::after { right: 0; }
.section-title { font-size: clamp(32px, 4.5vw, 52px); font-weight: 800; line-height: 1.15; letter-spacing: -0.5px; margin-bottom: 18px; }
.section-lead { font-size: 16.5px; color: var(--c-text-soft); line-height: 1.85; }

/* Reveal Animation */
[data-reveal] { opacity: 0; transition: opacity .8s var(--ease), transform .8s var(--ease); will-change: opacity, transform; }
[data-reveal="fade-up"] { transform: translateY(40px); }
[data-reveal="fade-right"] { transform: translateX(-40px); }
[data-reveal="fade-left"] { transform: translateX(40px); }
[data-reveal].is-in { opacity: 1; transform: translate(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none !important; }
}

/* ===== 企业概况 ===== */
.about { background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 100%); }
.about-grid {
  display: grid; gap: 24px;
  grid-template-columns: repeat(2, 1fr);
  margin-bottom: 80px;
}
.about-card {
  padding: 32px;
  background: var(--c-card);
  border: 1px solid var(--c-card-border);
  border-radius: var(--r-lg);
  transition: all .4s var(--ease);
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: ''; position: absolute; inset: 0; border-radius: var(--r-lg);
  background: linear-gradient(135deg, transparent, rgba(47, 123, 255, 0.05));
  opacity: 0; transition: opacity .4s;
}
.about-card:hover { transform: translateY(-4px); border-color: rgba(47, 123, 255, 0.3); }
.about-card:hover::before { opacity: 1; }
.about-card--main { grid-column: 1 / -1; display: grid; grid-template-columns: 1.1fr 1fr; gap: 0; padding: 0; overflow: hidden; }
.about-card--main .about-card__media { position: relative; min-height: 360px; }
.about-card--main .about-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.about-card--main:hover .about-card__media img { transform: scale(1.06); }
.about-card--main .about-card__media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 60%, var(--c-bg-2) 100%);
}
.about-card--main .about-card__body { padding: 40px; align-self: center; }
.about-card__kicker { font-size: 12px; font-weight: 700; color: var(--c-primary-2); letter-spacing: 2px; margin-bottom: 14px; }
.about-card--main h3 { font-size: clamp(22px, 2.5vw, 30px); font-weight: 800; line-height: 1.3; margin-bottom: 18px; }
.about-card--main p { color: var(--c-text-soft); line-height: 1.85; margin-bottom: 22px; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 5px 12px;
  background: rgba(47, 123, 255, 0.1);
  border: 1px solid rgba(47, 123, 255, 0.25);
  border-radius: 100px;
  font-size: 12px; color: #b8d4ff; font-weight: 500;
}
.about-card__num {
  font-size: 42px; font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  line-height: 1; margin-bottom: 16px;
  font-family: 'Inter', sans-serif;
}
.about-card h4 { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.about-card p { color: var(--c-text-soft); font-size: 14.5px; line-height: 1.7; }

/* 时间线 */
.timeline-wrap { margin: 60px 0; }
.timeline-title { font-size: 28px; font-weight: 800; text-align: center; margin-bottom: 50px; letter-spacing: -0.5px; }
.timeline { position: relative; padding: 0 0 0 0; max-width: 880px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 110px; top: 12px; bottom: 12px; width: 2px; background: linear-gradient(180deg, var(--c-primary), var(--c-primary-2), transparent); }
.timeline-item { position: relative; display: grid; grid-template-columns: 90px 24px 1fr; align-items: start; padding-bottom: 36px; }
.t-year {
  font-size: 24px; font-weight: 800; color: var(--c-white);
  font-family: 'Inter', sans-serif; padding-top: 4px;
  text-align: right; padding-right: 8px;
}
.t-dot {
  position: relative; width: 16px; height: 16px; border-radius: 50%;
  background: var(--c-bg-2); border: 2px solid var(--c-primary-2);
  margin: 12px 0 0 4px; z-index: 2;
  box-shadow: 0 0 0 4px rgba(0, 198, 255, 0.15);
}
.timeline-item--now .t-dot { background: var(--c-primary-2); box-shadow: 0 0 0 4px rgba(0, 198, 255, 0.3), 0 0 24px rgba(0, 198, 255, 0.6); animation: pulse 1.5s ease-in-out infinite; }
.t-body h5 { font-size: 17px; font-weight: 700; margin-bottom: 6px; color: var(--c-white); }
.t-body p { color: var(--c-text-soft); font-size: 14px; line-height: 1.7; }

/* 辖属企业 */
.subsidiary { margin-top: 80px; }
.subsidiary-title { font-size: 28px; font-weight: 800; text-align: center; margin-bottom: 40px; }
.subsidiary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sub-card {
  padding: 28px;
  background: var(--c-card);
  border: 1px solid var(--c-card-border);
  border-radius: var(--r-md);
  transition: all .3s var(--ease);
}
.sub-card:hover { transform: translateY(-4px); border-color: rgba(47, 123, 255, 0.3); }
.sub-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--grad-brand); color: #fff; font-size: 24px; margin-bottom: 16px;
  box-shadow: 0 6px 18px rgba(47, 123, 255, 0.3);
}
.sub-card h5 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.sub-card p { color: var(--c-text-soft); font-size: 13.5px; line-height: 1.7; }

/* ===== 业务板块 ===== */
.business { background: var(--c-bg-2); }
.biz-tabs { display: flex; gap: 8px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.biz-tab {
  padding: 12px 28px; font-size: 15px; font-weight: 600;
  background: var(--c-card);
  border: 1px solid var(--c-card-border);
  border-radius: 100px;
  color: var(--c-text-soft);
  transition: all .3s var(--ease);
}
.biz-tab:hover { color: var(--c-white); border-color: rgba(47, 123, 255, 0.3); }
.biz-tab.is-active { background: var(--grad-brand); color: #fff; border-color: transparent; box-shadow: 0 8px 24px rgba(47, 123, 255, 0.35); }

.biz-panels { position: relative; min-height: 420px; }
.biz-panel { display: none; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: center; }
.biz-panel.is-active { display: grid; animation: panelIn .6s var(--ease); }
@keyframes panelIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.biz-panel__media { position: relative; aspect-ratio: 16/10; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-3); }
.biz-panel__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.biz-panel__media:hover img { transform: scale(1.05); }
.biz-panel__media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(47, 123, 255, 0.1), transparent);
}
.biz-panel__body h3 { font-size: clamp(24px, 2.5vw, 32px); font-weight: 800; margin-bottom: 18px; line-height: 1.3; }
.biz-panel__body p { color: var(--c-text-soft); font-size: 16px; line-height: 1.85; margin-bottom: 28px; }
.biz-features { display: flex; flex-direction: column; gap: 18px; }
.biz-features li { display: flex; gap: 16px; align-items: flex-start; }
.biz-features li span {
  flex-shrink: 0;
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--grad-brand);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 14px;
  box-shadow: 0 6px 18px rgba(47, 123, 255, 0.3);
}
.biz-features li strong { display: block; font-size: 16px; color: var(--c-white); margin-bottom: 2px; }
.biz-features li em { font-style: normal; font-size: 13.5px; color: var(--c-text-soft); }

/* 园区卡片 */
.park-grid { margin-top: 90px; }
.park-title { font-size: 28px; font-weight: 800; text-align: center; margin-bottom: 40px; }
.park-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.park-card {
  background: var(--c-card);
  border: 1px solid var(--c-card-border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: all .4s var(--ease);
}
.park-card:hover { transform: translateY(-6px); border-color: rgba(47, 123, 255, 0.4); box-shadow: var(--sh-3); }
.park-card__img { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.park-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.park-card:hover .park-card__img img { transform: scale(1.08); }
.park-card__chip {
  position: absolute; top: 12px; left: 12px;
  padding: 4px 12px; background: rgba(5, 11, 28, 0.7); backdrop-filter: blur(8px);
  border-radius: 100px; font-size: 11.5px; font-weight: 600; color: #fff;
  border: 1px solid rgba(255,255,255,0.15);
}
.park-card h4 { font-size: 16.5px; font-weight: 700; margin: 18px 18px 8px; }
.park-card p { color: var(--c-text-soft); font-size: 13px; line-height: 1.65; margin: 0 18px 16px; }
.park-card ul { display: flex; gap: 16px; padding: 14px 18px; border-top: 1px solid var(--c-line); }
.park-card ul li { display: flex; flex-direction: column; gap: 2px; }
.park-card ul span { font-size: 11px; color: var(--c-text-dim); }
.park-card ul strong { font-size: 14px; color: var(--c-primary-2); font-weight: 700; font-variant-numeric: tabular-nums; }

/* ===== 数据 Banner ===== */
.data-banner { background: linear-gradient(135deg, var(--c-bg-3), var(--c-bg)); position: relative; overflow: hidden; }
.data-banner::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 80% 30%, rgba(47, 123, 255, 0.15), transparent 50%); }
.data-banner__inner { display: grid; grid-template-columns: 1fr 2fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.data-banner__text h2 { font-size: clamp(28px, 3.5vw, 42px); font-weight: 800; line-height: 1.2; margin: 14px 0 16px; }
.data-banner__text p { color: var(--c-text-soft); }
.data-banner__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.dstat {
  padding: 28px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  text-align: center;
  transition: all .3s var(--ease);
}
.dstat:hover { border-color: rgba(47, 123, 255, 0.4); transform: translateY(-4px); }
.dstat__num { font-size: clamp(36px, 4vw, 52px); font-weight: 800; line-height: 1; color: var(--c-white); font-variant-numeric: tabular-nums; }
.dstat__unit { font-size: 18px; color: var(--c-primary-2); font-weight: 700; margin-top: 2px; }
.dstat__label { font-size: 13px; color: var(--c-text-soft); margin-top: 8px; }

/* ===== 重点项目 ===== */
.projects { background: var(--c-bg); }

.proj-featured {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 0;
  background: var(--c-card);
  border: 1px solid var(--c-card-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-bottom: 60px;
}
.proj-featured__media { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.proj-featured__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.5s var(--ease); }
.proj-featured:hover .proj-featured__media img { transform: scale(1.05); }
.proj-featured__overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 40px; padding-top: 100px;
  background: linear-gradient(0deg, rgba(5,11,28,0.95) 0%, transparent 100%);
}
.proj-featured__overlay h3 { font-size: 28px; font-weight: 800; margin: 12px 0 8px; color: var(--c-white); }
.proj-featured__overlay p { color: var(--c-text-soft); font-size: 14px; line-height: 1.7; max-width: 90%; }
.proj-tag { display: inline-block; padding: 4px 12px; background: rgba(47, 123, 255, 0.2); border: 1px solid rgba(47, 123, 255, 0.4); border-radius: 100px; font-size: 11px; font-weight: 600; color: #b8d4ff; letter-spacing: 1px; }

.proj-featured__stats { display: grid; grid-template-columns: repeat(2, 1fr); padding: 40px; gap: 24px; align-content: center; }
.pstat { padding: 14px; border-left: 2px solid var(--c-primary-2); }
.pstat__num { font-size: 32px; font-weight: 800; color: var(--c-white); line-height: 1; font-variant-numeric: tabular-nums; }
.pstat__num span { font-size: 14px; color: var(--c-primary-2); font-weight: 600; margin-left: 4px; }
.pstat__label { font-size: 12.5px; color: var(--c-text-soft); margin-top: 6px; }

.proj-row { display: grid; grid-template-columns: 1fr; gap: 50px; margin-bottom: 60px; }
.proj-row__item { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: center; }
.proj-row__item--reverse { direction: rtl; }
.proj-row__item--reverse > * { direction: ltr; }
.proj-row__img { aspect-ratio: 16/10; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-2); }
.proj-row__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.proj-row__item:hover .proj-row__img img { transform: scale(1.06); }
.proj-row__body h3 { font-size: 26px; font-weight: 800; margin: 14px 0 12px; }
.proj-row__body p { color: var(--c-text-soft); line-height: 1.8; margin-bottom: 24px; }
.proj-meta { display: flex; gap: 32px; }
.proj-meta div { display: flex; flex-direction: column; gap: 4px; }
.proj-meta strong { font-size: 22px; color: var(--c-primary-2); font-weight: 800; }
.proj-meta span { font-size: 12.5px; color: var(--c-text-soft); }

.proj-mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 60px; }
.proj-mini {
  background: var(--c-card);
  border: 1px solid var(--c-card-border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: all .3s var(--ease);
}
.proj-mini:hover { transform: translateY(-4px); border-color: rgba(47, 123, 255, 0.3); }
.proj-mini__img { aspect-ratio: 16/9; overflow: hidden; }
.proj-mini__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.proj-mini:hover .proj-mini__img img { transform: scale(1.08); }
.proj-mini__body { padding: 20px 22px 24px; }
.proj-mini__body h5 { font-size: 17px; font-weight: 700; margin: 10px 0 8px; }
.proj-mini__body p { color: var(--c-text-soft); font-size: 13px; line-height: 1.7; }

.apartment { margin-top: 40px; padding: 50px; background: var(--c-card); border: 1px solid var(--c-card-border); border-radius: var(--r-xl); }
.apartment h3 { font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.apartment-lead { color: var(--c-text-soft); margin-bottom: 36px; }
.apartment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.apartment-card {
  padding: 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: all .3s;
}
.apartment-card:hover { border-color: rgba(47, 123, 255, 0.4); background: rgba(47, 123, 255, 0.05); }
.apartment-card__num { font-size: 36px; font-weight: 800; color: var(--c-white); line-height: 1; }
.apartment-card__num span { font-size: 14px; color: var(--c-primary-2); font-weight: 600; margin-left: 4px; }
.apartment-card__label { font-size: 14px; color: var(--c-white); font-weight: 600; margin: 8px 0 10px; }
.apartment-card p { color: var(--c-text-soft); font-size: 12.5px; line-height: 1.65; }

/* ===== 场景创新 ===== */
.scenario {
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--c-bg-3);
}
.scenario-bg { position: absolute; inset: 0; z-index: -2; }
.scenario-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.35; }
.scenario-overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(5,11,28,0.85) 0%, rgba(5,11,28,0.95) 100%);
}
.scenario-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.scenario-card {
  padding: 30px 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-card-border);
  border-radius: var(--r-md);
  transition: all .3s var(--ease);
  backdrop-filter: blur(8px);
}
.scenario-card:hover { transform: translateY(-6px); border-color: rgba(0, 198, 255, 0.4); background: rgba(0, 198, 255, 0.05); }
.scenario-card__icon { font-size: 36px; margin-bottom: 18px; }
.scenario-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.scenario-card p { color: var(--c-text-soft); font-size: 13.5px; line-height: 1.7; margin-bottom: 18px; }
.scenario-card__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.scenario-card__tags span {
  font-size: 11px; padding: 3px 10px;
  background: rgba(0, 198, 255, 0.12); color: #6ce0ff;
  border-radius: 100px; font-weight: 500;
}

/* ===== 人才与活动 ===== */
.talent { background: var(--c-bg); }
.talent-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; margin-bottom: 70px; }
.talent-feature { border-radius: var(--r-lg); overflow: hidden; background: var(--c-card); border: 1px solid var(--c-card-border); display: flex; flex-direction: column; }
.talent-feature__img { aspect-ratio: 4/3; overflow: hidden; }
.talent-feature__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.talent-feature:hover .talent-feature__img img { transform: scale(1.06); }
.talent-feature__body { padding: 30px; }
.talent-feature__body h3 { font-size: 22px; font-weight: 800; margin: 12px 0 10px; line-height: 1.35; }
.talent-feature__body p { color: var(--c-text-soft); font-size: 14px; line-height: 1.7; }
.talent-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-content: center; }
.t-meta-item { padding: 24px 18px; background: var(--c-card); border: 1px solid var(--c-card-border); border-radius: var(--r-md); transition: all .3s; text-align: center; }
.t-meta-item:hover { border-color: rgba(47, 123, 255, 0.4); transform: translateY(-2px); }
.t-meta-num { font-size: 30px; font-weight: 800; color: var(--c-white); line-height: 1; font-variant-numeric: tabular-nums; }
.t-meta-label { font-size: 12.5px; color: var(--c-text-soft); margin-top: 8px; }

.ip-mat { margin-bottom: 70px; }
.ip-mat-title { font-size: 24px; font-weight: 800; text-align: center; margin-bottom: 30px; }
.ip-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ip-card {
  padding: 30px 24px; text-align: center;
  background: var(--c-card);
  border: 1px solid var(--c-card-border);
  border-radius: var(--r-md);
  transition: all .3s var(--ease);
  position: relative; overflow: hidden;
}
.ip-card::before { content: ''; position: absolute; inset: 0; background: var(--grad-brand); opacity: 0; transition: opacity .3s; }
.ip-card:hover { transform: translateY(-4px); border-color: transparent; }
.ip-card:hover::before { opacity: 0.9; }
.ip-card > * { position: relative; }
.ip-card__num { font-size: 14px; font-weight: 700; color: var(--c-primary-2); letter-spacing: 2px; margin-bottom: 12px; }
.ip-card h5 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.ip-card p { color: var(--c-text-soft); font-size: 13px; line-height: 1.6; }
.ip-card:hover .ip-card__num, .ip-card:hover h5, .ip-card:hover p { color: #fff; }

.event-gallery { margin-top: 40px; }
.event-title { font-size: 24px; font-weight: 800; margin-bottom: 30px; text-align: center; }
.event-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.event-item { border-radius: var(--r-md); overflow: hidden; position: relative; aspect-ratio: 4/3; cursor: pointer; }
.event-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.event-item:hover img { transform: scale(1.08); }
.event-item figcaption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 16px 18px;
  background: linear-gradient(0deg, rgba(0,0,0,0.9), transparent);
  color: #fff; font-size: 13px; font-weight: 500;
  transform: translateY(20%); transition: transform .3s var(--ease);
}
.event-item:hover figcaption { transform: translateY(0); }

/* ===== 产业生态 ===== */
.ecosystem { background: var(--c-bg-2); }
.eco-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.eco-card {
  padding: 40px;
  background: var(--c-card);
  border: 1px solid var(--c-card-border);
  border-radius: var(--r-lg);
  transition: all .3s var(--ease);
  position: relative; overflow: hidden;
}
.eco-card::before {
  content: ''; position: absolute; top: 0; right: 0; width: 200px; height: 200px;
  background: var(--grad-brand); filter: blur(80px); opacity: 0.15;
}
.eco-card:hover { transform: translateY(-4px); border-color: rgba(47, 123, 255, 0.3); }
.eco-card__head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.eco-card h3 { font-size: 24px; font-weight: 800; }
.eco-tag { padding: 4px 12px; background: rgba(0, 198, 255, 0.12); border: 1px solid rgba(0, 198, 255, 0.3); border-radius: 100px; font-size: 12px; color: #6ce0ff; font-weight: 600; }
.eco-card p { color: var(--c-text-soft); line-height: 1.8; margin-bottom: 24px; }
.eco-list { display: flex; flex-direction: column; gap: 10px; }
.eco-list li { padding-left: 20px; position: relative; color: var(--c-text-soft); font-size: 14px; }
.eco-list li::before { content: '→'; position: absolute; left: 0; color: var(--c-primary-2); font-weight: 700; }

/* ===== 未来展望 ===== */
.future {
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--c-bg-3);
}
.future-bg { position: absolute; inset: 0; z-index: -2; }
.future-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.3; }
.future-overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(5,11,28,0.85) 0%, rgba(5,11,28,0.95) 100%);
}
.four-pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 60px; }
.pillar {
  padding: 36px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-card-border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(8px);
  transition: all .3s var(--ease);
}
.pillar:hover { transform: translateY(-6px); border-color: rgba(0, 198, 255, 0.4); background: rgba(0, 198, 255, 0.05); }
.pillar__num { font-size: 48px; font-weight: 800; line-height: 1; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; font-family: 'Inter', sans-serif; margin-bottom: 16px; }
.pillar h3 { font-size: 22px; font-weight: 800; margin-bottom: 12px; }
.pillar p { color: var(--c-text-soft); font-size: 14px; line-height: 1.7; }
.future-quote { padding: 50px; text-align: center; background: rgba(255, 255, 255, 0.03); border: 1px solid var(--c-card-border); border-radius: var(--r-lg); backdrop-filter: blur(10px); }
.quote { font-size: clamp(16px, 1.5vw, 19px); color: var(--c-text-soft); line-height: 1.9; font-style: normal; font-weight: 300; }

/* ===== 联系 ===== */
.contact { background: var(--c-bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 50px; }
.contact-info { display: flex; flex-direction: column; gap: 18px; }
.contact-item { display: flex; align-items: flex-start; gap: 18px; padding: 20px; background: var(--c-card); border: 1px solid var(--c-card-border); border-radius: var(--r-md); transition: all .3s; }
.contact-item:hover { border-color: rgba(47, 123, 255, 0.3); }
.contact-item__icon { width: 44px; height: 44px; border-radius: 10px; background: var(--grad-brand); display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.contact-item h5 { font-size: 14px; color: var(--c-text-soft); margin-bottom: 4px; }
.contact-item p { font-size: 15px; font-weight: 500; }
.contact-form {
  padding: 36px; background: var(--c-card);
  border: 1px solid var(--c-card-border);
  border-radius: var(--r-lg);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.form-field span { font-size: 13px; color: var(--c-text-soft); font-weight: 500; }
.form-field input, .form-field select, .form-field textarea {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-line);
  border-radius: 10px;
  font-size: 14.5px; color: var(--c-white);
  transition: all .2s;
  font-family: inherit;
  -webkit-appearance: none;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--c-primary); background: rgba(47, 123, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(47, 123, 255, 0.15);
}
.form-field select option { background: var(--c-bg-2); color: var(--c-white); }
.form-field textarea { resize: vertical; min-height: 100px; }
.form-ok { margin-top: 14px; padding: 12px; background: rgba(0, 198, 255, 0.1); border: 1px solid rgba(0, 198, 255, 0.3); border-radius: 10px; color: #6ce0ff; font-size: 13.5px; text-align: center; }

/* ===== 页脚 ===== */
.footer { background: linear-gradient(180deg, var(--c-bg-2), var(--c-bg-3)); border-top: 1px solid var(--c-line); padding: 70px 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 50px; padding-bottom: 50px; }
.footer-mark { display: flex; align-items: center; margin-bottom: 18px; }
.footer-logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
}
.footer-desc { color: var(--c-text-soft); font-size: 13.5px; line-height: 1.75; }
.footer-col h5 { font-size: 14px; font-weight: 700; color: var(--c-white); margin-bottom: 18px; letter-spacing: 1px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--c-text-soft); font-size: 14px; transition: color .2s; }
.footer-col ul li a:hover { color: var(--c-primary-2); }
.contact-list li { color: var(--c-text-soft); font-size: 13.5px; line-height: 1.7; }
.footer-bottom { border-top: 1px solid var(--c-line); padding: 24px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--c-text-dim); font-size: 13px; }
.footer-icp { color: var(--c-text-dim); text-decoration: none; transition: color .2s; }
.footer-icp:hover { color: var(--c-primary-2); text-decoration: underline; }

@media (max-width: 900px) {
  .footer-bottom-inner { flex-direction: column; align-items: center; text-align: center; gap: 6px; }
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
  .about-card--main { grid-template-columns: 1fr; }
  .about-card--main .about-card__media { min-height: 260px; }
  .park-cards { grid-template-columns: repeat(2, 1fr); }
  .data-banner__inner { grid-template-columns: 1fr; gap: 40px; }
  .talent-grid { grid-template-columns: 1fr; }
  .talent-meta { grid-template-columns: repeat(3, 1fr); }
  .four-pillars { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .apartment-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .proj-mini-grid { grid-template-columns: repeat(2, 1fr); }
  .event-grid { grid-template-columns: repeat(2, 1fr); }
  .eco-grid { grid-template-columns: 1fr; }
  .ip-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --pad-x: 18px; }
  .nav-links {
    position: fixed; top: 0; right: 0; bottom: 0; width: 78%; max-width: 320px;
    background: rgba(10, 21, 48, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column; align-items: flex-start; padding: 100px 32px 32px;
    gap: 0; transform: translateX(100%); transition: transform .4s var(--ease);
    border-left: 1px solid var(--c-line);
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-links a { width: 100%; padding: 16px 0; border-bottom: 1px solid var(--c-line); font-size: 16px; border-radius: 0; }
  .nav-links a::after { display: none; }
  .nav-cta { margin: 20px 0 0; padding: 14px 24px; border-radius: 100px; text-align: center; justify-content: center; }
  .nav-toggle { display: flex; z-index: 110; }

  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); padding: 24px 18px; gap: 18px; }
  .stat-num { font-size: 36px; }
  .stat + .stat::before { display: none; }
  .scroll-hint { display: none; }
  .ticker-track { animation-duration: 30s; }

  .section { padding: 60px 0; }
  .section-head { margin-bottom: 40px; }
  .about-grid { grid-template-columns: 1fr; }
  .timeline { padding: 0 0 0 0; }
  .timeline::before { left: 0; }
  .timeline-item { grid-template-columns: 1fr; gap: 4px; padding-left: 24px; padding-bottom: 28px; }
  .t-year { text-align: left; padding-right: 0; font-size: 20px; }
  .t-dot { position: absolute; left: -8px; top: 8px; }
  .subsidiary-grid { grid-template-columns: 1fr; }

  .biz-panel { grid-template-columns: 1fr; gap: 24px; }
  .park-cards { grid-template-columns: 1fr; }
  .data-banner__stats { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .dstat { padding: 20px 12px; }

  .proj-featured { grid-template-columns: 1fr; }
  .proj-featured__overlay { padding: 24px; padding-top: 60px; }
  .proj-featured__overlay h3 { font-size: 22px; }
  .proj-featured__stats { grid-template-columns: repeat(2, 1fr); padding: 24px; gap: 14px; }
  .pstat__num { font-size: 24px; }
  .proj-row__item, .proj-row__item--reverse { grid-template-columns: 1fr; direction: ltr; gap: 20px; }
  .proj-row__item--reverse .proj-row__img { order: 0; }
  .proj-meta { flex-wrap: wrap; gap: 20px; }
  .proj-mini-grid { grid-template-columns: 1fr; }
  .apartment { padding: 30px 22px; }
  .apartment-grid { grid-template-columns: 1fr; }

  .scenario-grid { grid-template-columns: 1fr; }
  .talent-meta { grid-template-columns: 1fr 1fr; }
  .ip-cards { grid-template-columns: 1fr 1fr; }
  .event-grid { grid-template-columns: 1fr; }

  .four-pillars { grid-template-columns: 1fr; }
  .future-quote { padding: 30px 24px; }
  .quote { font-size: 14.5px; }

  .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }

  .footer-inner { grid-template-columns: 1fr; gap: 32px; padding-bottom: 30px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .footer-desc { max-width: 100%; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .data-banner__stats { grid-template-columns: 1fr 1fr; }
  .talent-meta { grid-template-columns: 1fr; }
  .ip-cards { grid-template-columns: 1fr; }
  .proj-featured__stats { grid-template-columns: 1fr; }
}

/* iOS 优化 */
@supports (-webkit-touch-callout: none) {
  .hero-bg img { height: 100vh; }
  input, select, textarea { font-size: 16px; } /* 防 iOS 缩放 */
}

/* 减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .hero-bg img { animation: none; }
}