/* ============================================================
 * 新疆云智捷信息科技有限公司 · 官网样式
 * 结构：变量 / 基础 / 排版 / 头部 / 页脚 / 组件 / 页面 / 响应式
 * ========================================================== */

/* ---------- 变量 · 深色科技：碳墨底 + 青蓝光 + 沙金点缀 ---------- */
:root {
  --ink: #eef2f8;
  --ink-2: #c7d0dd;
  --ink-3: #8a95a5;
  --ink-4: #5c6675;
  --line: rgba(255,255,255,.08);
  --line-2: rgba(255,255,255,.16);
  --bg: #0a0e14;
  --bg-soft: #0d131c;
  --bg-mute: #131b26;
  --paper: #0f1520;
  --brand: #22d3ee;
  --brand-2: #38bdf8;
  --brand-deep: #0891b2;
  --brand-glow: rgba(34,211,238,.28);
  --accent: #fbbf24;
  --accent-2: #f59e0b;
  --danger: #ef4444;
  --success: #10b981;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow: 0 12px 32px -12px rgba(0,0,0,.7);
  --shadow-lg: 0 32px 80px -24px rgba(0,0,0,.85);
  --shadow-glow: 0 0 40px -6px var(--brand-glow);

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "PingFang SC", Georgia, serif;
  --font-sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --max: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------- 排版 ---------- */
h1, h2, h3, h4 { color: var(--ink); font-weight: 700; letter-spacing: -.01em; margin: 0; line-height: 1.25; }
h1 { font-size: clamp(32px, 4.8vw, 58px); letter-spacing: -.02em; font-family: var(--font-serif); font-weight: 600; }
h2 { font-size: clamp(24px, 3vw, 38px); font-family: var(--font-serif); font-weight: 600; }
h3 { font-size: clamp(18px, 1.8vw, 22px); }
p { margin: 0 0 1em; color: var(--ink-2); }
.lead { font-size: clamp(16px, 1.4vw, 19px); color: var(--ink-3); line-height: 1.75; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: .22em;
  text-transform: uppercase; color: var(--brand);
  padding: 6px 12px; border: 1px solid rgba(34,211,238,.32);
  border-radius: 999px; background: rgba(34,211,238,.08);
  font-family: var(--font-sans);
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand); box-shadow: 0 0 0 3px rgba(34,211,238,.22), 0 0 12px var(--brand-glow);
}

/* ---------- 容器 ---------- */
.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section--soft { background: var(--bg-soft); }
.section--paper { background: var(--paper); }
.section--ink {
  background: linear-gradient(180deg, #050810 0%, #0a1220 100%);
  color: var(--ink-2);
  position: relative; overflow: hidden;
}
.section--ink::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 300px at 15% 20%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(500px 260px at 85% 80%, rgba(56,189,248,.08), transparent 60%);
  pointer-events: none;
}
.section--ink > .container { position: relative; }
.section--ink h1, .section--ink h2, .section--ink h3 { color: var(--ink); }
.section--ink p { color: var(--ink-2); }

/* ---------- 头部（透明覆盖式 · 首页 hero 之上） ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  background: rgba(10, 14, 20, .55);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav.is-scrolled { background: rgba(10, 14, 20, .88); }
body.has-hero-photo,
body.has-hero-sub { padding-top: 0; }
body:not(.has-hero-photo):not(.has-hero-sub) { padding-top: 68px; }
.nav-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.logo {
  display: inline-flex; align-items: center; gap: 12px;
  font-weight: 700; letter-spacing: .04em;
}
.logo-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  display: grid; place-items: center; color: #041018;
  font-family: var(--font-serif); font-size: 18px; font-weight: 700;
  box-shadow: 0 6px 20px -6px var(--brand-glow), inset 0 0 0 1px rgba(255,255,255,.14);
  position: relative;
  letter-spacing: -.02em;
}
.logo-mark::after {
  content: ""; position: absolute; inset: 4px; border: 1px solid rgba(255,255,255,.24); border-radius: 6px;
  pointer-events: none;
}
.logo-cn { font-size: 16px; color: var(--ink); font-weight: 600; }
.logo-en { font-size: 10.5px; color: var(--ink-3); letter-spacing: .22em; font-weight: 500; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 14px; font-size: 14px; color: var(--ink-2); font-weight: 500;
  border-radius: var(--radius-sm); transition: all .2s;
  position: relative;
}
.nav-links a:hover { color: var(--brand); background: rgba(34,211,238,.08); }
.nav-links a.is-active { color: var(--brand); }
.nav-links a.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; background: var(--brand); border-radius: 2px;
  box-shadow: 0 0 12px var(--brand-glow);
}
.nav-cta {
  padding: 9px 18px; border-radius: 999px;
  background: var(--brand); color: #041018 !important;
  font-size: 13.5px; font-weight: 600;
  box-shadow: 0 0 24px -4px var(--brand-glow);
  transition: all .2s;
}
.nav-cta:hover { background: var(--brand-2); box-shadow: 0 0 32px -2px var(--brand-glow); transform: translateY(-1px); }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: .2s; }

/* ---------- 首页 Hero · 满屏摄影背景 ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  background-color: #050810;
}
.hero-photo {
  position: absolute; inset: 0; z-index: -2;
  background-image: url("assets/img/hero-night-mountains.jpg");
  background-image: image-set(url("assets/img/hero-night-mountains.webp") type("image/webp"));
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
  transform: scale(1.02);
}
.hero-photo-mask {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(1000px 700px at 50% 40%, rgba(10,14,20,0) 0%, rgba(10,14,20,.35) 55%, rgba(10,14,20,.75) 100%),
    linear-gradient(180deg, rgba(10,14,20,.55) 0%, rgba(10,14,20,.25) 30%, rgba(10,14,20,.55) 70%, rgba(10,14,20,.98) 100%);
}
.hero-photo-mask::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, transparent 20%, black 65%);
  -webkit-mask-image: radial-gradient(ellipse at center, transparent 20%, black 65%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: 960px; margin: 0 auto;
  text-align: center;
}
.hero-copy { text-align: center; max-width: 820px; margin: 0 auto; }
.hero .eyebrow { background: rgba(255,255,255,.06); border-color: rgba(34,211,238,.4); backdrop-filter: blur(8px); }
.hero h1 {
  color: #fff;
  margin: 24px 0 20px;
  font-size: clamp(38px, 5.6vw, 68px);
  line-height: 1.15;
  text-shadow: 0 2px 40px rgba(0,0,0,.4);
}
.hero h1 .accent {
  color: var(--brand);
  font-style: italic; font-family: var(--font-serif);
  position: relative;
  text-shadow: 0 0 40px var(--brand-glow);
}
.hero h1 .accent::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 3px; background: linear-gradient(90deg, transparent, var(--brand), transparent);
  border-radius: 2px; opacity: .8;
}
.hero .lead { max-width: 640px; margin: 0 auto 32px; color: rgba(255,255,255,.82); font-size: clamp(16px, 1.4vw, 19px); }
.hero-cta { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hero-inner--photo { padding-bottom: clamp(24px, 4vw, 48px); }

/* Hero 徽章条：驻场共创 / 双交付 / 三业务协同 */
.hero-badges {
  margin-top: clamp(36px, 5vw, 56px);
  display: inline-flex; flex-wrap: wrap; gap: 10px 14px; justify-content: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px;
  background: rgba(10,14,20,.55);
  border: 1px solid rgba(34,211,238,.28);
  color: rgba(255,255,255,.88);
  font-size: 13px; font-weight: 500; letter-spacing: .02em;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px -8px rgba(0,0,0,.5);
}
.hero-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 8px var(--brand);
}

/* trust-bar 单独一段（脱离原 .hero-inner） */
.section--trust {
  padding: clamp(48px, 6vw, 80px) 0;
  background: linear-gradient(180deg, #0a0e14 0%, var(--bg-soft) 100%);
  border-bottom: 1px solid var(--line);
}
.section--trust .trust-bar { margin-top: 0; }

/* 副页 hero：小图片背景版 */
.hero-sub {
  position: relative; overflow: hidden; isolation: isolate;
  padding: clamp(120px, 14vw, 180px) 0 clamp(56px, 7vw, 88px);
  background-color: #050810;
}
.hero-sub-photo {
  position: absolute; inset: 0; z-index: -2;
  background-size: cover; background-position: center;
}
.hero-sub-mask {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(10,14,20,.7) 0%, rgba(10,14,20,.5) 40%, rgba(10,14,20,.95) 100%);
}
.hero-sub h1 { color: #fff; text-shadow: 0 2px 40px rgba(0,0,0,.5); }
.hero-sub .lead { color: rgba(255,255,255,.8); }
.hero-sub .eyebrow { background: rgba(255,255,255,.06); border-color: rgba(34,211,238,.4); }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 999px; font-weight: 600;
  font-size: 14.5px; transition: all .2s; border: 1px solid transparent;
  letter-spacing: .01em;
}
.btn-primary { background: var(--brand); color: #041018; box-shadow: 0 0 32px -6px var(--brand-glow); }
.btn-primary:hover { background: var(--brand-2); transform: translateY(-1px); box-shadow: 0 0 48px -4px var(--brand-glow); }
.btn-ghost { background: rgba(255,255,255,.04); color: var(--ink); border-color: rgba(255,255,255,.16); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); background: rgba(34,211,238,.06); }
.btn-gold { background: var(--accent); color: #1a1000; }
.btn-gold:hover { background: var(--accent-2); }
.btn-arrow { transition: transform .2s; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* 可信度条（能力项，无年限） */
.trust-bar {
  margin-top: clamp(48px, 6vw, 72px);
  padding: 22px clamp(24px, 4vw, 40px);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 18px;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px; align-items: center;
  max-width: 880px; margin-left: auto; margin-right: auto;
  position: relative;
}
.trust-bar::before {
  content: ""; position: absolute; top: 0; left: 24px; right: 24px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand), var(--accent), var(--brand), transparent);
  opacity: .7;
}
.trust-item { text-align: center; padding: 6px 12px; position: relative; }
.trust-item + .trust-item::before {
  content: ""; position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 1px; background: rgba(255,255,255,.08);
}
.trust-item strong { display: block; font-size: 15.5px; color: var(--ink); font-weight: 600; margin-bottom: 4px; font-family: var(--font-serif); }
.trust-item span { font-size: 12px; color: var(--ink-3); letter-spacing: .04em; }

/* ---------- 三大业务卡片 · 玻璃拟态 ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pillar {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px; padding: 0;
  transition: all .35s; position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.pillar::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transform: scaleX(0); transform-origin: left; transition: transform .35s;
  z-index: 2; box-shadow: 0 0 20px var(--brand-glow);
}
.pillar:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), 0 0 60px -20px var(--brand-glow);
  border-color: rgba(34,211,238,.24);
  background: rgba(255,255,255,.05);
}
.pillar:hover::before { transform: scaleX(1); }
.pillar-illus {
  aspect-ratio: 16 / 10; overflow: hidden;
  background: linear-gradient(135deg, rgba(34,211,238,.06), rgba(56,189,248,.03));
  border-bottom: 1px solid rgba(255,255,255,.06);
  position: relative;
}
.pillar-illus svg { width: 100%; height: 100%; display: block; }
.pillar-body { padding: 28px 26px 32px; display: flex; flex-direction: column; flex-grow: 1; }
.pillar-tag {
  display: inline-block; font-size: 10.5px; font-family: var(--font-mono);
  color: var(--brand); letter-spacing: .18em; margin-bottom: 10px; text-transform: uppercase;
}
.pillar h3 { margin-bottom: 10px; font-family: var(--font-serif); color: var(--ink); }
.pillar p { color: var(--ink-3); font-size: 14.5px; margin-bottom: 20px; flex-grow: 1; line-height: 1.7; }
.pillar-link {
  color: var(--brand); font-weight: 500; font-size: 14px;
  display: inline-flex; align-items: center; gap: 6px;
  padding-top: 14px; border-top: 1px solid rgba(255,255,255,.06);
}
.pillar-link:hover { gap: 10px; color: var(--brand-2); }

/* ---------- 章节头 ---------- */
.section-head { margin-bottom: 56px; max-width: 720px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { margin: 16px 0 14px; }
.section-head p { color: var(--ink-3); font-size: 17px; }
.section-head--ink h2 { color: #fff; }
.section-head--ink p { color: #d9d5c4; }

/* ---------- 功能模块 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.feat {
  padding: 28px 24px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px; transition: .25s;
  position: relative; overflow: hidden;
  backdrop-filter: blur(12px);
}
.feat::before {
  content: ""; position: absolute; top: 0; left: 0; width: 40px; height: 2px;
  background: var(--brand); transition: width .3s;
  box-shadow: 0 0 10px var(--brand-glow);
}
.feat:hover { border-color: rgba(34,211,238,.32); background: rgba(255,255,255,.05); transform: translateY(-3px); box-shadow: var(--shadow); }
.feat:hover::before { width: 100%; }
.feat-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(34,211,238,.10);
  border: 1px solid rgba(34,211,238,.22);
  display: grid; place-items: center; color: var(--brand);
  margin-bottom: 16px;
}
.feat-num {
  font-family: var(--font-mono); font-size: 11px; color: var(--brand);
  font-weight: 600; letter-spacing: .14em; margin-bottom: 12px;
}
.feat h3 { font-size: 17px; margin-bottom: 8px; font-family: var(--font-serif); color: var(--ink); }
.feat p { font-size: 14.5px; color: var(--ink-3); margin: 0; line-height: 1.7; }

/* ---------- 交付方式 / 适用对象条 ---------- */
.strip {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  border: 1px solid rgba(255,255,255,.08); border-radius: 16px;
  overflow: hidden; background: rgba(255,255,255,.03);
  backdrop-filter: blur(12px);
}
.strip > div { padding: 28px 32px; }
.strip > div + div { border-left: 1px solid rgba(255,255,255,.08); }
.strip h4 { font-size: 12px; letter-spacing: .18em; color: var(--brand); text-transform: uppercase; margin-bottom: 10px; font-weight: 600; font-family: var(--font-mono); }
.strip p { margin: 0; color: var(--ink-2); font-size: 15px; line-height: 1.7; }

/* ---------- 终端页 · 子产品切换 ---------- */
.subproduct {
  padding: clamp(48px, 6vw, 72px) 0;
  border-top: 1px solid var(--line);
}
.subproduct:first-of-type { border-top: 0; }
.subproduct-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.subproduct-visual {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, rgba(34,211,238,.06), rgba(56,189,248,.03));
  border-radius: 20px; position: relative; overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
}
.subproduct-visual svg { width: 100%; height: 100%; }
.subproduct-tag {
  display: inline-block; font-size: 11px; font-weight: 600;
  color: var(--brand); letter-spacing: .18em; text-transform: uppercase;
  margin-bottom: 12px; font-family: var(--font-mono);
}
.subproduct h2 { margin-bottom: 16px; }
.deliver-list { list-style: none; padding: 0; margin: 24px 0 0; }
.deliver-list li {
  padding: 14px 0 14px 32px; border-top: 1px solid rgba(255,255,255,.08);
  position: relative; color: var(--ink-2); font-size: 15px;
}
.deliver-list li:last-child { border-bottom: 1px solid rgba(255,255,255,.08); }
.deliver-list li::before {
  content: ""; position: absolute; left: 0; top: 22px; width: 20px; height: 2px;
  background: var(--brand); box-shadow: 0 0 8px var(--brand-glow);
}
.deliver-list li strong { color: var(--brand); font-weight: 600; }

/* ---------- AI 页 · 80/95/99 ---------- */
.gap-story {
  background:
    radial-gradient(600px 300px at 15% 20%, rgba(34,211,238,.15), transparent 60%),
    radial-gradient(500px 260px at 90% 90%, rgba(56,189,248,.10), transparent 60%),
    linear-gradient(135deg, #0b1826 0%, #050810 100%);
  color: var(--ink-2); border-radius: 24px; padding: clamp(40px, 5vw, 64px);
  position: relative; overflow: hidden;
  border: 1px solid rgba(34,211,238,.14);
}
.gap-story::before {
  content: ""; position: absolute; top: -50%; right: -20%; width: 60%; height: 200%;
  background: radial-gradient(closest-side, rgba(251,191,36,.14), transparent 70%);
  pointer-events: none;
}
.gap-story::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(34,211,238,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at bottom left, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at bottom left, black 30%, transparent 70%);
  pointer-events: none;
}
.gap-story p { color: var(--ink-2); font-size: 17px; position: relative; line-height: 1.85; }
.gap-story .highlight { color: var(--accent); font-weight: 600; }
.gap-curve { position: relative; margin: 32px 0 8px; }
.gap-line {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-top: 24px; position: relative;
}
.gap-step {
  background: rgba(255, 255, 255, .04); border: 1px solid rgba(34,211,238,.18);
  padding: 24px; border-radius: 14px; backdrop-filter: blur(8px);
  position: relative;
}
.gap-step .pct { font-family: var(--font-serif); font-size: 34px; font-weight: 700; color: var(--brand); letter-spacing: -.02em; text-shadow: 0 0 24px var(--brand-glow); }
.gap-step h4 { color: var(--ink); font-size: 16px; margin: 8px 0 6px; font-family: var(--font-serif); }
.gap-step p { font-size: 14px; margin: 0; color: var(--ink-3); line-height: 1.7; }

/* ---------- FDE 四步流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 16px; position: relative; }
.step {
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); padding: 28px 24px;
  border-radius: 14px; position: relative; transition: .25s;
  backdrop-filter: blur(12px);
}
.step:hover { border-color: rgba(34,211,238,.32); transform: translateY(-3px); box-shadow: var(--shadow), 0 0 32px -12px var(--brand-glow); }
.step-illus {
  width: 100%; aspect-ratio: 4 / 3; margin: -8px 0 16px;
  background: rgba(34,211,238,.05); border-radius: 10px;
  overflow: hidden; position: relative;
  border: 1px solid rgba(255,255,255,.05);
}
.step-illus svg { width: 100%; height: 100%; }
.step-num {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--brand);
  color: #041018; display: grid; place-items: center; font-weight: 700; font-size: 13px;
  font-family: var(--font-mono);
  box-shadow: 0 0 20px var(--brand-glow);
}
.step h3 { font-size: 17px; margin-bottom: 8px; font-family: var(--font-serif); color: var(--brand); }
.step p { font-size: 14.5px; color: var(--ink-3); margin: 0; line-height: 1.7; }

.fde-note {
  margin-top: 32px; padding: 22px 26px;
  background: rgba(251,191,36,.06); border-left: 3px solid var(--accent);
  border-radius: 8px; color: var(--ink-2); font-size: 15px; line-height: 1.75;
}
.fde-note strong { color: var(--accent); }

.ability-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.ability-tag {
  padding: 10px 18px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.10);
  border-radius: 999px; font-size: 14px; color: var(--ink-2); font-weight: 500;
  display: inline-flex; align-items: center; gap: 8px;
  transition: .2s;
}
.ability-tag:hover { border-color: rgba(34,211,238,.32); color: var(--brand); background: rgba(34,211,238,.06); }
.ability-tag svg { color: var(--brand); }
.ability-tag.is-more { color: var(--ink-4); border-style: dashed; }

/* ---------- 关于我们页 ---------- */
.about-hero {
  padding: clamp(120px, 14vw, 180px) 0 clamp(56px, 7vw, 88px);
  background-color: #050810;
  border-bottom: 1px solid rgba(255,255,255,.06);
  position: relative; overflow: hidden; isolation: isolate;
}
.about-hero-photo {
  position: absolute; inset: 0; z-index: -2;
  background-image: url("assets/img/scene-office.jpg");
  background-image: image-set(url("assets/img/scene-office.webp") type("image/webp"));
  background-size: cover; background-position: center 45%;
}
.about-hero-mask {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(1200px 500px at 85% 15%, rgba(34,211,238,.14), transparent 55%),
    radial-gradient(900px 500px at 10% 90%, rgba(56,189,248,.10), transparent 55%),
    linear-gradient(180deg, rgba(5,8,16,.86) 0%, rgba(10,14,20,.92) 100%);
}
.about-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(34,211,238,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at right center, black 20%, transparent 65%);
  -webkit-mask-image: radial-gradient(ellipse at right center, black 20%, transparent 65%);
  pointer-events: none;
}
.about-hero > .container { position: relative; }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.intro-para { font-size: 16.5px; color: var(--ink-2); line-height: 1.85; margin-bottom: 20px; }
.intro-para strong { color: var(--ink); font-weight: 600; }

.quali-wrap { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: start; }
.quali-wrap--single { grid-template-columns: minmax(0, 720px); justify-content: start; }
.quali-visual {
  aspect-ratio: 1 / 1; max-width: 380px; margin-left: auto;
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 20px;
  overflow: hidden; position: relative;
  box-shadow: var(--shadow);
}
.quali-visual svg { width: 100%; height: 100%; }
.quali-table {
  width: 100%; border-collapse: collapse; margin-top: 16px;
  border: 1px solid rgba(255,255,255,.08); border-radius: 12px; overflow: hidden;
  background: rgba(255,255,255,.03);
  backdrop-filter: blur(12px);
}
.quali-table th, .quali-table td { padding: 16px 22px; text-align: left; font-size: 14.5px; border-bottom: 1px solid rgba(255,255,255,.06); }
.quali-table tr:last-child td, .quali-table tr:last-child th { border-bottom: 0; }
.quali-table th { background: rgba(255,255,255,.02); color: var(--ink-3); font-weight: 500; width: 38%; }
.quali-table td { color: var(--ink); font-weight: 500; font-family: var(--font-sans); }
.quali-table td.mono { font-family: var(--font-mono); font-size: 13.5px; color: var(--brand); }
@media (max-width: 960px) { .quali-wrap { grid-template-columns: 1fr; } .quali-visual { margin: 0 auto; } }

/* ---------- 子页实拍场景组件 ---------- */
.scene-showcase {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.scene-showcase--reverse { grid-template-columns: 1fr 1.1fr; }
.scene-showcase--reverse .scene-showcase-photo { order: 2; }
.scene-showcase--reverse .scene-showcase-copy { order: 1; }
.scene-showcase-photo {
  position: relative;
  border-radius: 20px; overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow-lg), 0 0 60px -30px var(--brand-glow);
  aspect-ratio: 16 / 10;
}
.scene-showcase-photo img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .6s ease;
}
.scene-showcase-photo:hover img { transform: scale(1.03); }
.scene-showcase-photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,14,20,0) 55%, rgba(10,14,20,.55) 100%);
  pointer-events: none;
}
.scene-showcase-tag {
  position: absolute; left: 16px; bottom: 14px; z-index: 2;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(10,14,20,.65);
  border: 1px solid rgba(34,211,238,.35);
  color: rgba(255,255,255,.92);
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em;
  backdrop-filter: blur(10px);
}
.scene-showcase-copy .eyebrow { margin-bottom: 14px; }
.scene-showcase-copy h2 { margin: 0 0 16px; font-size: clamp(24px, 2.6vw, 32px); line-height: 1.28; }
.scene-showcase-copy h2 .accent {
  color: var(--brand); font-style: italic; font-family: var(--font-serif);
}
.scene-showcase-copy > p { color: var(--ink-2); font-size: 16px; line-height: 1.85; margin: 0 0 20px; }
.scene-showcase-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.scene-showcase-list li {
  position: relative; padding-left: 22px;
  color: var(--ink-2); font-size: 14.5px; line-height: 1.7;
}
.scene-showcase-list li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--brand); box-shadow: 0 0 8px var(--brand-glow);
}
.scene-showcase-list li strong { color: var(--ink); font-weight: 600; }
@media (max-width: 960px) {
  .scene-showcase,
  .scene-showcase--reverse { grid-template-columns: 1fr; }
  .scene-showcase--reverse .scene-showcase-photo { order: 0; }
  .scene-showcase--reverse .scene-showcase-copy { order: 0; }
}

.team-card {
  background:
    radial-gradient(600px 300px at 15% 20%, rgba(34,211,238,.14), transparent 60%),
    radial-gradient(500px 260px at 90% 90%, rgba(56,189,248,.08), transparent 60%),
    linear-gradient(135deg, #0b1826 0%, #050810 100%);
  color: var(--ink-2); padding: clamp(32px, 4vw, 48px);
  border-radius: 20px; margin-top: 40px;
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1fr auto; gap: clamp(24px, 4vw, 48px);
  align-items: center;
  border: 1px solid rgba(34,211,238,.14);
}
.team-card::before {
  content: ""; position: absolute; top: -30%; right: -10%; width: 45%; height: 160%;
  background: radial-gradient(closest-side, rgba(251,191,36,.14), transparent 70%);
  pointer-events: none;
}
.team-card::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(34,211,238,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,.05) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(90deg, transparent 40%, black 80%);
  -webkit-mask-image: linear-gradient(90deg, transparent 40%, black 80%);
  pointer-events: none;
}
.team-card-content { position: relative; }
.team-card h3 { color: var(--brand); margin-bottom: 16px; font-family: var(--font-serif); font-size: 24px; text-shadow: 0 0 24px var(--brand-glow); }
.team-card p { color: var(--ink-2); font-size: 16px; line-height: 1.85; margin: 0; }
.team-card-visual { position: relative; width: 180px; height: 180px; flex-shrink: 0; }
@media (max-width: 720px) { .team-card { grid-template-columns: 1fr; } .team-card-visual { width: 140px; height: 140px; margin: 0 auto; } }

.contact-block {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px;
}
.contact-card {
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); padding: 26px;
  border-radius: 14px; transition: .2s; position: relative; overflow: hidden;
  backdrop-filter: blur(12px);
}
.contact-card::before {
  content: ""; position: absolute; top: 0; left: 0; width: 3px; height: 100%;
  background: var(--brand); transform: scaleY(0); transform-origin: top; transition: .3s;
  box-shadow: 0 0 12px var(--brand-glow);
}
.contact-card:hover { border-color: rgba(34,211,238,.32); transform: translateY(-2px); box-shadow: var(--shadow), 0 0 32px -12px var(--brand-glow); }
.contact-card:hover::before { transform: scaleY(1); }
.contact-card .icon { color: var(--brand); margin-bottom: 12px; }
.contact-card .label { font-size: 11px; color: var(--brand); letter-spacing: .18em; text-transform: uppercase; margin-bottom: 8px; font-family: var(--font-mono); }
.contact-card .value { font-size: 15.5px; color: var(--ink); font-weight: 500; word-break: break-all; line-height: 1.6; }

/* ---------- 咨询引导区块（首页 CTA）---------- */
.form-block {
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08);
  border-radius: 20px; padding: clamp(32px, 4vw, 48px);
  max-width: 720px; margin: 0 auto; box-shadow: var(--shadow);
  position: relative;
  backdrop-filter: blur(20px);
}
.form-block::before {
  content: ""; position: absolute; top: -1px; left: 24px; right: 24px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand), var(--accent), var(--brand), transparent);
}
.form-block h2 { margin-bottom: 8px; text-align: center; color: var(--ink); }
.form-block .lead { text-align: center; margin-bottom: 32px; color: var(--ink-3); }



.section-note { margin: 32px 0 0; font-size: 13px; color: var(--ink-4); text-align: center; line-height: 1.8; }
.section-note a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- 隐私政策页 ---------- */
.legal { max-width: 780px; margin: 0 auto; padding: clamp(88px, 10vw, 120px) 0 clamp(48px, 6vw, 80px); }
.legal h1 { font-size: clamp(28px, 3.5vw, 40px); margin-bottom: 8px; color: var(--ink); }
.legal .updated { color: var(--ink-4); font-size: 14px; margin-bottom: 40px; }
.legal h2 { font-size: 20px; margin: 40px 0 12px; color: var(--ink); }
.legal p, .legal li { color: var(--ink-2); font-size: 15.5px; line-height: 1.85; }
.legal ul { padding-left: 22px; }
.legal ul li { margin-bottom: 6px; }
.legal strong { color: var(--ink); font-weight: 600; }
.legal a { color: var(--brand); }

/* ---------- 页脚 ---------- */
.footer {
  background: #050810; color: var(--ink-3);
  padding: clamp(64px, 7vw, 88px) 0 32px;
  border-top: 1px solid rgba(255,255,255,.06);
  position: relative; overflow: hidden;
}
.footer::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 240px at 20% 0%, rgba(34,211,238,.06), transparent 60%);
  pointer-events: none;
}
.footer::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(34,211,238,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, transparent 60%, black 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 60%, black 100%);
  pointer-events: none;
}
.footer > .container { position: relative; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 48px; }
.footer h4 { color: var(--brand); font-size: 11.5px; margin-bottom: 18px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; font-family: var(--font-mono); }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 12px; }
.footer a { color: var(--ink-3); font-size: 14.5px; transition: .15s; }
.footer a:hover { color: var(--brand); }
.footer-brand p { color: var(--ink-3); font-size: 14px; line-height: 1.75; max-width: 320px; }
.footer-brand .logo-cn { color: var(--ink); }
.footer-brand .logo-en { color: var(--brand); }
.footer-contact { font-size: 14px; color: var(--ink-3); }
.footer-contact span { display: block; margin-bottom: 8px; }
.footer-contact strong { color: var(--ink); font-weight: 500; }

.footer-bottom {
  padding-top: 28px; border-top: 1px solid rgba(255,255,255,.06);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  font-size: 13px; color: var(--ink-4);
}
.footer-bottom a { color: var(--ink-3); }
.footer-bottom a:hover { color: var(--brand); }
.beian { display: inline-flex; gap: 20px; flex-wrap: wrap; }
.beian .placeholder { color: var(--ink-4); font-style: italic; }

/* ---------- Hero 装饰点缀 ---------- */
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 3px rgba(34,211,238,.22); flex-shrink: 0; }
.dot--brand { background: var(--brand); box-shadow: 0 0 0 3px rgba(34,211,238,.22); }

/* ---------- 数据条 · 能力项概览 ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255,255,255,.08); border-radius: 18px;
  background: rgba(255,255,255,.03); overflow: hidden;
  backdrop-filter: blur(12px);
}
.stat { padding: 32px 28px; position: relative; }
.stat + .stat { border-left: 1px solid rgba(255,255,255,.06); }
.stat-num { font-family: var(--font-serif); font-size: clamp(32px, 3.4vw, 44px); font-weight: 700; color: var(--brand); letter-spacing: -.02em; line-height: 1; margin-bottom: 8px; text-shadow: 0 0 24px var(--brand-glow); }
.stat-num sup { font-size: 18px; color: var(--accent); margin-left: 2px; font-family: var(--font-mono); font-weight: 500; text-shadow: none; }
.stat-label { font-size: 14px; color: var(--ink-3); }
.stat-icon { position: absolute; top: 24px; right: 24px; color: var(--brand); opacity: .7; }
@media (max-width: 720px) { .stats { grid-template-columns: 1fr 1fr; } .stat + .stat { border-left: 0; } .stat:nth-child(2) { border-left: 1px solid rgba(255,255,255,.06); } .stat:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.06); } }

/* ---------- 场景闭环图（餐饮页） ---------- */
.loop-diagram {
  aspect-ratio: 16 / 9; max-width: 900px; margin: 0 auto;
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 20px;
  padding: clamp(24px, 4vw, 40px); position: relative;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.loop-diagram svg { width: 100%; height: 100%; }

/* ---------- 场景标签（适用场景） ---------- */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 24px; }
.scene {
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 14px;
  padding: 20px; display: flex; flex-direction: column; gap: 10px;
  transition: .2s; text-align: left;
  backdrop-filter: blur(12px);
}
.scene:hover { border-color: rgba(34,211,238,.32); transform: translateY(-2px); box-shadow: 0 0 32px -12px var(--brand-glow); }
.scene-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(34,211,238,.10); color: var(--brand);
  border: 1px solid rgba(34,211,238,.22);
  display: grid; place-items: center;
}
.scene h4 { font-size: 15px; color: var(--ink); font-family: var(--font-serif); }
.scene p { font-size: 13.5px; color: var(--ink-3); margin: 0; line-height: 1.6; }
@media (max-width: 720px) { .scene-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- 交付流程图（大幅横向可视化） ---------- */
.flow-viz {
  padding: clamp(32px, 4vw, 48px);
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 20px;
  margin-bottom: 40px; overflow-x: auto;
  backdrop-filter: blur(12px);
}
.flow-viz svg { width: 100%; min-width: 720px; height: auto; }

/* ---------- 关于我们地理插画 ---------- */
.geo-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center;
}
.geo-visual {
  aspect-ratio: 1 / 1; max-width: 440px;
  background: linear-gradient(135deg, rgba(34,211,238,.06), rgba(56,189,248,.03));
  border: 1px solid rgba(255,255,255,.08); border-radius: 20px;
  padding: clamp(24px, 4vw, 40px); position: relative;
  box-shadow: var(--shadow);
}
.geo-visual svg { width: 100%; height: 100%; }
@media (max-width: 960px) { .geo-block { grid-template-columns: 1fr; } .geo-visual { margin: 0 auto; } }

/* ---------- 引言样式（大字排版） ---------- */
.pull-quote {
  font-family: var(--font-serif); font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.4; color: var(--ink); margin: 0;
  padding: 32px 0 32px 32px; border-left: 3px solid var(--brand);
  font-style: italic; font-weight: 500;
}
.pull-quote::before { content: "\201C"; color: var(--brand); font-size: 1.4em; margin-right: 4px; }

/* ---------- 视觉分隔纹样 ---------- */
.divider-pattern {
  height: 60px; background-image:
    linear-gradient(90deg, transparent 0%, transparent 45%, var(--brand) 45%, var(--brand) 55%, transparent 55%);
  background-size: 24px 100%; opacity: .3;
  mask-image: linear-gradient(90deg, transparent, black 20%, black 80%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 20%, black 80%, transparent);
}

/* ---------- Ink 段落中的强调 ---------- */
.section--ink .eyebrow { color: var(--brand); background: rgba(34,211,238,.10); border-color: rgba(34,211,238,.3); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-inner { text-align: center; }
  .hero-copy { text-align: center; }
  .hero .lead { margin: 0 auto 32px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; position: fixed; top: 68px; left: 0; right: 0; background: rgba(10,14,20,.96); backdrop-filter: blur(20px);
    flex-direction: column; padding: 16px; border-bottom: 1px solid rgba(255,255,255,.08);
    box-shadow: var(--shadow); align-items: stretch; }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 12px 16px; }
  .nav-toggle { display: block; }
  .pillars { grid-template-columns: 1fr; }
  .trust-bar { grid-template-columns: 1fr; padding: 20px; }
  .trust-item + .trust-item::before { display: none; }
  .trust-item + .trust-item { border-top: 1px solid rgba(255,255,255,.06); padding-top: 14px; margin-top: 8px; }
  .subproduct-grid { grid-template-columns: 1fr; }
  .subproduct--reverse .subproduct-visual { order: -1; }
  .steps { grid-template-columns: 1fr 1fr; }
  .gap-line { grid-template-columns: 1fr; }
  .intro-grid { grid-template-columns: 1fr; }
  .contact-block { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .strip { grid-template-columns: 1fr; }
  .strip > div + div { border-left: 0; border-top: 1px solid rgba(255,255,255,.06); }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  h1 { font-size: 34px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
}

/* ---------- 打印 ---------- */
@media print {
  .nav, .footer, .form-block { display: none; }
}