/* ============================================================
   渡秋科技 DQ-TECH 主题样式 v2.0
   设计语言: 深空蓝 + 电光渐变 / 玻璃拟态 / 网格底纹
   ============================================================ */

:root {
  --ink-950: #070c18;
  --ink-900: #0b1220;
  --ink-800: #101a2e;
  --ink-700: #1a2740;
  --ink-600: #24334f;
  --line-dark: rgba(148, 163, 214, 0.14);
  --line-light: rgba(15, 23, 42, 0.08);

  --brand: #5b7cfa;
  --brand-2: #8b5cf6;
  --cyan: #22d3ee;
  --grad: linear-gradient(100deg, #5b7cfa 0%, #8b5cf6 55%, #22d3ee 130%);
  --grad-soft: linear-gradient(100deg, rgba(91, 124, 250, 0.16), rgba(139, 92, 246, 0.14));

  --text-1: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;
  --bg: #f6f8fd;
  --card: #ffffff;

  --radius: 18px;
  --shadow: 0 12px 40px -12px rgba(15, 23, 42, 0.18);
  --shadow-lg: 0 30px 70px -24px rgba(37, 63, 160, 0.28);

  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text-1);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; border: 0; vertical-align: middle; }
a { color: inherit; text-decoration: none; transition: color .25s, opacity .25s; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; }

.dq-container { width: min(1200px, 92%); margin: 0 auto; }
.dq-sec { padding: 104px 0; position: relative; }

/* ---------- 通用小节标题 ---------- */
.dq-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 18px;
}
.dq-eyebrow::before {
  content: ""; width: 26px; height: 2px; border-radius: 2px;
  background: var(--grad); display: inline-block;
}
.dq-h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800; letter-spacing: .01em; line-height: 1.25;
  margin-bottom: 16px;
}
.dq-h2 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dq-lead { color: var(--text-2); font-size: 16px; max-width: 640px; }
.dq-sec-head { text-align: center; margin-bottom: 60px; }
.dq-sec-head .dq-lead { margin: 0 auto; }

/* ---------- 按钮 ---------- */
.dq-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  cursor: pointer; border: 0; transition: transform .25s, box-shadow .25s, background .25s, color .25s;
  white-space: nowrap;
}
.dq-btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 30px -8px rgba(99, 102, 241, .55); }
.dq-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -8px rgba(99, 102, 241, .7); }
.dq-btn-ghost {
  background: rgba(148, 163, 214, 0.1); color: #e2e8f0;
  border: 1px solid rgba(148, 163, 214, 0.28);
  backdrop-filter: blur(8px);
}
.dq-btn-ghost:hover { background: rgba(148, 163, 214, 0.2); color: #fff; transform: translateY(-2px); }
.dq-btn-line {
  background: transparent; color: var(--text-1);
  border: 1px solid rgba(15, 23, 42, 0.16);
}
.dq-btn-line:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.dq-btn .arr { transition: transform .25s; }
.dq-btn:hover .arr { transform: translateX(4px); }

/* ---------- 顶部导航 ---------- */
.dq-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: background .3s, box-shadow .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.dq-nav::before {
  content: ""; position: absolute; inset: 0;
  background: rgba(7, 12, 24, 0.55);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  opacity: 0; transition: opacity .3s;
}
.dq-nav.on-dark::before { opacity: 1; }
.dq-nav.on-dark .dq-nav-link, .dq-nav.on-dark .dq-nav-brand-name { color: #e2e8f0; }
.dq-nav-inner {
  position: relative;
  display: flex; align-items: center; gap: 34px;
  height: 74px;
}
.dq-nav-brand { display: flex; align-items: center; gap: 11px; flex: none; }
.dq-nav-brand-mark { width: 38px; height: 38px; flex: none; display: block; }
.dq-nav-brand-txt { display: flex; flex-direction: column; line-height: 1; }
.dq-nav-brand-name { font-size: 19px; font-weight: 800; letter-spacing: .04em; color: var(--text-1); line-height: 1; display: block; }
.dq-nav-brand-sub { font-size: 10px; letter-spacing: .3em; color: var(--text-3); text-transform: uppercase; margin-top: 5px; display: block; }
.dq-nav-links { display: flex; align-items: center; gap: 4px; flex: 1; }
.dq-nav-link {
  position: relative; padding: 10px 15px; font-size: 15px; font-weight: 500;
  color: var(--text-2); border-radius: 8px;
}
.dq-nav-link:hover, .dq-nav-link.active { color: var(--brand); }
.dq-nav-link.active::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 2px; height: 2.5px;
  border-radius: 2px; background: var(--grad);
}
.dq-nav-cta { display: flex; align-items: center; gap: 16px; flex: none; }
.dq-nav-tel { font-size: 14.5px; font-weight: 700; color: var(--text-1); display: flex; align-items: center; gap: 7px; }
.dq-nav.on-dark .dq-nav-tel { color: #e2e8f0; }
.dq-nav-btn { padding: 10px 22px; font-size: 14px; }
.dq-nav-burger { display: none; flex: none; width: 42px; height: 42px; border: 0; background: none; cursor: pointer; position: relative; }
.dq-nav-burger span { position: absolute; left: 10px; right: 10px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .3s, opacity .3s, top .3s; }
.dq-nav-burger span:nth-child(1) { top: 14px; }
.dq-nav-burger span:nth-child(2) { top: 20px; }
.dq-nav-burger span:nth-child(3) { top: 26px; }
.dq-nav-item { position: relative; }
.dq-nav-drop {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 168px;
  background: rgba(7, 12, 24, 0.94); border: 1px solid rgba(148, 163, 214, 0.16);
  border-radius: 14px; padding: 8px; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .25s;
  box-shadow: 0 24px 50px -18px rgba(0, 0, 0, 0.6);
}
.dq-nav-item:hover .dq-nav-drop { opacity: 1; visibility: visible; transform: none; }
.dq-nav-drop a { display: block; padding: 9px 14px; border-radius: 9px; color: #cbd5e1; font-size: 14px; white-space: nowrap; }
.dq-nav-drop a:hover { background: rgba(148, 163, 214, 0.12); color: #fff; }

/* ---------- Hero ---------- */
.dq-hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1200px 700px at 78% -10%, rgba(99, 102, 241, 0.28), transparent 60%),
              radial-gradient(1000px 620px at -10% 110%, rgba(34, 211, 238, 0.14), transparent 55%),
              linear-gradient(180deg, #0b1220 0%, #070c18 100%);
  color: #e2e8f0;
  padding: 190px 0 140px;
}
.dq-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 214, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 214, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(900px 560px at 50% 30%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(900px 560px at 50% 30%, #000 20%, transparent 78%);
}
.dq-orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; pointer-events: none; animation: orbFloat 14s ease-in-out infinite alternate; }
.dq-orb-1 { width: 460px; height: 460px; background: rgba(99, 102, 241, 0.4); top: -140px; right: 6%; }
.dq-orb-2 { width: 380px; height: 380px; background: rgba(34, 211, 238, 0.2); bottom: -160px; left: -80px; animation-delay: -6s; }
@keyframes orbFloat { from { transform: translateY(0) translateX(0); } to { transform: translateY(36px) translateX(-24px); } }
.dq-hero-inner { position: relative; display: grid; grid-template-columns: 1.12fr .88fr; gap: 56px; align-items: center; }
.dq-hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 16px; border-radius: 999px;
  background: rgba(148, 163, 214, 0.09); border: 1px solid rgba(148, 163, 214, 0.22);
  font-size: 13px; color: #a5b4fc; letter-spacing: .06em; margin-bottom: 26px;
}
.dq-hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 4px rgba(52, 211, 153, .2); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 3px rgba(52, 211, 153, .18); } 50% { box-shadow: 0 0 0 7px rgba(52, 211, 153, .05); } }
.dq-hero h1 {
  font-size: clamp(38px, 5.2vw, 62px); font-weight: 800; line-height: 1.14;
  letter-spacing: .01em; margin-bottom: 24px; color: #f1f5f9;
}
.dq-hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dq-hero-sub { font-size: 17px; color: #94a3b8; max-width: 560px; margin-bottom: 38px; }
.dq-hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 46px; }
.dq-hero-stats { display: flex; gap: 48px; flex-wrap: wrap; }
.dq-hero-stat .n { font-size: 38px; font-weight: 800; color: #fff; line-height: 1; text-shadow: 0 0 26px rgba(91, 124, 250, 0.45); }
.dq-hero-stat .n em { font-style: normal; font-size: 18px; color: #a5b4fc; margin-left: 2px; }
.dq-hero-stat .t { font-size: 13px; color: #64748b; margin-top: 7px; letter-spacing: .05em; }

/* 代码终端卡片 */
.dq-code-card {
  position: relative; border-radius: 16px; overflow: hidden;
  background: rgba(15, 23, 42, 0.72); border: 1px solid rgba(148, 163, 214, 0.16);
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  transform: perspective(1200px) rotateY(-7deg) rotateX(2deg);
  transition: transform .5s;
  animation: cardIn 1s ease both;
}
.dq-code-card:hover { transform: perspective(1200px) rotateY(-3deg) rotateX(0deg); }
@keyframes cardIn { from { opacity: 0; transform: perspective(1200px) rotateY(-10deg) translateY(30px); } to { opacity: 1; transform: perspective(1200px) rotateY(-7deg) rotateX(2deg); } }
.dq-code-head { display: flex; align-items: center; gap: 8px; padding: 13px 16px; border-bottom: 1px solid rgba(148, 163, 214, 0.12); }
.dq-code-head i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.dq-code-head i:nth-child(1) { background: #f87171; }
.dq-code-head i:nth-child(2) { background: #fbbf24; }
.dq-code-head i:nth-child(3) { background: #34d399; }
.dq-code-head span { margin-left: auto; font-family: var(--mono); font-size: 11.5px; color: #64748b; }
.dq-code-body { padding: 22px 24px; font-family: var(--mono); font-size: 13px; line-height: 1.95; color: #cbd5e1; }
.dq-code-body .c1 { color: #f472b6; } .dq-code-body .c2 { color: #34d399; }
.dq-code-body .c3 { color: #a5b4fc; } .dq-code-body .c4 { color: #fbbf24; }
.dq-code-body .cm { color: #475569; }
.dq-code-body .blink { display: inline-block; width: 9px; height: 16px; background: #5b7cfa; vertical-align: -2px; animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.dq-code-foot { padding: 14px 16px; border-top: 1px solid rgba(148, 163, 214, 0.12); display: flex; gap: 10px; flex-wrap: wrap; }
.dq-code-foot span { font-family: var(--mono); font-size: 11.5px; color: #64748b; padding: 4px 10px; border: 1px solid rgba(148, 163, 214, 0.16); border-radius: 6px; }

/* ---------- 技术栈跑马灯 ---------- */
.dq-marquee { overflow: hidden; background: linear-gradient(180deg, #f2f5fb, #fbfcff); border-bottom: 1px solid var(--line-light); padding: 20px 0; position: relative; }
.dq-marquee::before, .dq-marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 110px; z-index: 2; pointer-events: none;
}
.dq-marquee::before { left: 0; background: linear-gradient(90deg, #f2f5fb, transparent); }
.dq-marquee::after { right: 0; background: linear-gradient(-90deg, #fbfcff, transparent); }
.dq-marquee-track { display: flex; gap: 56px; width: max-content; animation: marquee 30s linear infinite; }
.dq-marquee:hover .dq-marquee-track { animation-play-state: paused; }
.dq-marquee-track span { display: flex; align-items: center; gap: 10px; font-size: 14.5px; font-weight: 600; color: #64748b; white-space: nowrap; }
.dq-marquee-track span::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--grad); transform: rotate(45deg); opacity: .75; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 卡片通用 ---------- */
.dq-card {
  background: var(--card); border: 1px solid var(--line-light); border-radius: var(--radius);
  transition: transform .35s, box-shadow .35s, border-color .35s;
}
.dq-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(91, 124, 250, 0.35); }

/* ---------- 核心能力 ---------- */
.dq-cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.dq-cap { padding: 34px 28px; position: relative; overflow: hidden; }
.dq-cap::after {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
  background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.dq-cap:hover::after { transform: scaleX(1); }
.dq-cap-icon {
  width: 54px; height: 54px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: var(--grad-soft); margin-bottom: 20px; color: var(--brand);
}
.dq-cap h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 10px; }
.dq-cap p { font-size: 14.5px; color: var(--text-2); }
.dq-cap .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 13.5px; font-weight: 600; color: var(--brand); }

/* ---------- 产品矩阵 ---------- */
.dq-prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.dq-prod { padding: 30px 28px; display: flex; flex-direction: column; }
.dq-prod-top { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.dq-prod-icon {
  width: 58px; height: 58px; flex: none; border-radius: 16px;
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 10px 24px -10px rgba(99, 102, 241, .55);
}
.dq-prod-tag {
  margin-left: auto; align-self: flex-start;
  font-size: 11.5px; color: var(--brand); font-weight: 600;
  padding: 4px 11px; border-radius: 999px; background: rgba(91, 124, 250, 0.1);
  white-space: nowrap;
}
.dq-prod h3 { font-size: 19px; font-weight: 700; margin-bottom: 4px; }
.dq-prod .pos { font-size: 13px; color: var(--brand); font-weight: 600; margin-bottom: 12px; }
.dq-prod p { font-size: 14.5px; color: var(--text-2); flex: 1; }
.dq-prod .foot { display: flex; align-items: center; justify-content: space-between; margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line-light); }
.dq-prod .foot .more { font-size: 14px; font-weight: 600; color: var(--text-1); display: inline-flex; align-items: center; gap: 7px; }
.dq-prod:hover .foot .more { color: var(--brand); }
.dq-prod .foot .more .arr { transition: transform .3s; }
.dq-prod:hover .foot .more .arr { transform: translateX(4px); }
.dq-prod .foot .chips { display: flex; gap: 6px; flex-wrap: wrap; }
.dq-prod .foot .chips span { font-size: 11px; color: var(--text-3); border: 1px solid var(--line-light); padding: 2px 9px; border-radius: 999px; }

/* ---------- 数据统计 ---------- */
.dq-stats {
  position: relative; overflow: hidden; color: #e2e8f0;
  background:
    radial-gradient(900px 500px at 85% 0%, rgba(139, 92, 246, 0.25), transparent 60%),
    linear-gradient(180deg, #0b1220, #070c18);
  padding: 96px 0;
}
.dq-stats .dq-grid-bg { opacity: .7; }
.dq-stats-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.dq-stat .n { font-size: 52px; font-weight: 800; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dq-stat .n em { font-style: normal; font-size: 22px; }
.dq-stat .t { margin-top: 12px; font-size: 14.5px; color: #94a3b8; letter-spacing: .06em; }
.dq-stat .d { margin-top: 4px; font-size: 12.5px; color: #64748b; }

/* ---------- 解决方案 ---------- */
.dq-case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.dq-case { display: flex; gap: 24px; padding: 28px; align-items: flex-start; }
.dq-case-cover { width: 150px; height: 104px; flex: none; border-radius: 12px; overflow: hidden; position: relative; }
.dq-case-cover img { width: 100%; height: 100%; object-fit: cover; }
.dq-case-body { flex: 1; min-width: 0; }
.dq-case-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.dq-case-body p { font-size: 14px; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dq-case-body .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 13.5px; font-weight: 600; color: var(--brand); }
.dq-case-meta { display: flex; gap: 12px; align-items: center; margin-top: 12px; font-size: 12.5px; color: var(--text-3); }

/* ---------- 新闻 ---------- */
.dq-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.dq-news { overflow: hidden; display: flex; flex-direction: column; }
.dq-news-cover { height: 172px; position: relative; overflow: hidden; background: linear-gradient(135deg, #101a2e, #24334f); }
.dq-news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.dq-news:hover .dq-news-cover img { transform: scale(1.06); }
.dq-news-date { position: absolute; left: 16px; top: 16px; background: rgba(7, 12, 24, 0.72); color: #e2e8f0; backdrop-filter: blur(6px); padding: 7px 13px; border-radius: 8px; font-size: 12.5px; font-weight: 600; }
.dq-news-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.dq-news-body h3 { font-size: 16.5px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dq-news-body p { font-size: 13.5px; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.dq-news-body .more { margin-top: 14px; font-size: 13.5px; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 6px; }

/* ---------- CTA ---------- */
.dq-cta {
  position: relative; overflow: hidden; border-radius: 26px;
  background:
    radial-gradient(700px 320px at 90% -40%, rgba(34, 211, 238, 0.3), transparent 60%),
    linear-gradient(120deg, #4f46e5 0%, #7c3aed 55%, #0ea5e9 130%);
  color: #fff; padding: 76px 80px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  box-shadow: var(--shadow-lg);
}
.dq-cta::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.14) 1px, transparent 1px);
  background-size: 22px 22px; opacity: .55;
  mask-image: radial-gradient(600px 300px at 20% 50%, #000, transparent 75%);
}
.dq-cta h3 { position: relative; font-size: 30px; font-weight: 800; line-height: 1.3; margin-bottom: 10px; }
.dq-cta p { position: relative; color: rgba(255, 255, 255, 0.82); font-size: 15px; }
.dq-cta-actions { position: relative; display: flex; gap: 14px; flex-wrap: wrap; }
.dq-cta .dq-btn-white { background: #fff; color: #4338ca; box-shadow: 0 12px 30px -10px rgba(0,0,0,.4); }
.dq-cta .dq-btn-white:hover { transform: translateY(-2px); }
.dq-cta .dq-btn-outline { background: transparent; border: 1.5px solid rgba(255,255,255,.55); color: #fff; }
.dq-cta .dq-btn-outline:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }

/* ---------- 页脚 ---------- */
.dq-footer { background: #070c18; color: #94a3b8; position: relative; overflow: hidden; }
.dq-footer::before { content: ""; position: absolute; top: -180px; left: 50%; transform: translateX(-50%); width: 900px; height: 400px; background: radial-gradient(closest-side, rgba(99, 102, 241, 0.16), transparent); pointer-events: none; }
.dq-footer-top { position: relative; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; padding: 72px 0 54px; }
.dq-footer h4 { color: #e2e8f0; font-size: 15.5px; font-weight: 700; margin-bottom: 22px; letter-spacing: .04em; display: flex; align-items: center; gap: 10px; }
.dq-footer h4::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(91, 124, 250, 0.5), transparent); }
.dq-footer-about p { font-size: 13.5px; line-height: 1.9; margin-top: 18px; }
.dq-footer-links li { margin-bottom: 12px; }
.dq-footer-links a { font-size: 13.5px; }
.dq-footer-links a:hover { color: #a5b4fc; }
.dq-footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; font-size: 13.5px; align-items: flex-start; }
.dq-footer-contact svg { flex: none; margin-top: 4px; opacity: .8; }
.dq-footer-contact a:hover { color: #a5b4fc; }
.dq-footer-bottom { position: relative; border-top: 1px solid rgba(148, 163, 214, 0.1); padding: 24px 0; display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: #8494ad; }
.dq-footer-bottom a:hover { color: #a5b4fc; }
.dq-footer-beian { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }

/* ---------- 子页 Hero ---------- */
.dq-page-hero {
  position: relative; overflow: hidden; color: #e2e8f0;
  background:
    radial-gradient(800px 420px at 82% -30%, rgba(99, 102, 241, 0.34), transparent 60%),
    linear-gradient(180deg, #0b1220, #070c18);
  padding: 168px 0 78px;
  text-align: center;
}
.dq-page-hero h1 { position: relative; font-size: clamp(30px, 4vw, 46px); font-weight: 800; margin-bottom: 14px; color: #f1f5f9; }
.dq-page-hero .en { position: relative; font-size: 13px; letter-spacing: .34em; text-transform: uppercase; color: #a5b4fc; margin-bottom: 20px; }
.dq-page-hero .lead { position: relative; color: #94a3b8; font-size: 15.5px; max-width: 640px; margin: 0 auto; }
.dq-crumbs { position: relative; display: inline-flex; gap: 8px; align-items: center; margin-top: 22px; font-size: 13px; color: #64748b; }
.dq-crumbs a:hover { color: #a5b4fc; }
.dq-crumbs b { color: #94a3b8; font-weight: 500; }

/* ---------- 列表页通用 ---------- */
.dq-list-grid { display: grid; gap: 24px; }
.dq-pager, .pagination { display: flex; gap: 8px; justify-content: center; margin-top: 54px; flex-wrap: wrap; }
.dq-pager a, .dq-pager span,
.pagination li { list-style: none; }
.pagination a, .pagination span {
  min-width: 40px; height: 40px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px; border: 1px solid var(--line-light); font-size: 14px; color: var(--text-2); background: var(--card);
  transition: all .25s;
}
.dq-pager .active, .dq-pager .current, .pagination .active span, .pagination .current {
  background: var(--grad); color: #fff; border-color: transparent;
}
.dq-pager a:hover, .pagination a:hover { border-color: var(--brand); color: var(--brand); }
.pagination .disabled span { opacity: .45; }

/* ---------- 分类筛选 ---------- */
.dq-filter { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 44px; }
.dq-filter a, .dq-filter span { padding: 9px 22px; border-radius: 999px; font-size: 14px; font-weight: 500; color: var(--text-2); background: var(--card); border: 1px solid var(--line-light); }
.dq-filter a:hover, .dq-filter .on { background: var(--grad); color: #fff; border-color: transparent; }

/* ---------- 产品详情 ---------- */
.dq-pd { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
.dq-pd-cover { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--line-light); }
.dq-pd-cover img { width: 100%; display: block; }
.dq-pd-info .tag { display: inline-block; padding: 5px 14px; border-radius: 999px; background: rgba(91, 124, 250, 0.1); color: var(--brand); font-size: 12.5px; font-weight: 600; margin-bottom: 14px; }
.dq-pd-info h1 { font-size: 32px; font-weight: 800; margin-bottom: 8px; }
.dq-pd-info .pos { font-size: 15px; color: var(--brand); font-weight: 600; margin-bottom: 18px; }
.dq-pd-info .desc { font-size: 15.5px; color: var(--text-2); margin-bottom: 26px; }
.dq-pd-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 30px; }
.dq-pd-points li { display: flex; gap: 9px; font-size: 14px; color: var(--text-1); align-items: flex-start; }
.dq-pd-points li::before { content: "✓"; flex: none; width: 20px; height: 20px; border-radius: 50%; background: var(--grad); color: #fff; font-size: 12px; display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.dq-pd-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.dq-pd-section { margin-top: 70px; }
.dq-pd-section h2 { font-size: 24px; font-weight: 800; margin-bottom: 26px; display: flex; align-items: center; gap: 12px; }
.dq-pd-section h2::before { content: ""; width: 6px; height: 24px; border-radius: 3px; background: var(--grad); }
.dq-rich { color: var(--text-2); font-size: 15.5px; line-height: 2; }
.dq-rich img { border-radius: 12px; margin: 10px 0; }
.dq-rich table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14px; }
.dq-rich table th, .dq-rich table td { border: 1px solid var(--line-light); padding: 10px 14px; text-align: left; }
.dq-rich table th { background: #f1f5f9; color: var(--text-1); }

/* ---------- 新闻详情 ---------- */
.dq-nd { display: grid; grid-template-columns: 1fr 320px; gap: 44px; align-items: start; }
.dq-nd-main { background: var(--card); border: 1px solid var(--line-light); border-radius: var(--radius); padding: 44px 48px; }
.dq-nd-main h1 { font-size: 28px; font-weight: 800; line-height: 1.4; margin-bottom: 16px; }
.dq-nd-meta { display: flex; gap: 18px; font-size: 13px; color: var(--text-3); padding-bottom: 20px; border-bottom: 1px solid var(--line-light); margin-bottom: 26px; }
.dq-nd-pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line-light); font-size: 14px; }
.dq-nd-pager a { color: var(--text-2); display: inline-flex; gap: 6px; max-width: 46%; }
.dq-nd-pager a:hover { color: var(--brand); }
.dq-side { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 22px; }
.dq-side-card { background: var(--card); border: 1px solid var(--line-light); border-radius: var(--radius); padding: 26px; }
.dq-side-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.dq-side-card h4::before { content: ""; width: 5px; height: 18px; border-radius: 3px; background: var(--grad); }
.dq-side-list li { padding: 10px 0; border-bottom: 1px dashed var(--line-light); }
.dq-side-list li:last-child { border-bottom: 0; }
.dq-side-list a { font-size: 13.5px; color: var(--text-2); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dq-side-list a:hover { color: var(--brand); }

/* ---------- 关于我们 ---------- */
.dq-about-hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.dq-about-hero .imgbox { position: relative; }
.dq-about-hero .imgbox img { border-radius: 22px; box-shadow: var(--shadow-lg); display: block; width: 100%; }
.dq-about-hero .imgbox::after {
  content: ""; position: absolute; inset: 22px -22px -22px 22px;
  border: 1.5px dashed rgba(91, 124, 250, 0.5); border-radius: 22px; z-index: -1;
}
.dq-about-hero p { color: var(--text-2); font-size: 15.5px; margin-bottom: 16px; text-align: justify; }
.dq-culture-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.dq-culture { padding: 30px 22px; text-align: center; }
.dq-culture .n { font-size: 13px; letter-spacing: .2em; color: var(--text-3); text-transform: uppercase; margin-bottom: 10px; }
.dq-culture h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.dq-culture p { font-size: 13px; color: var(--text-2); }
.dq-culture:hover { border-color: rgba(91, 124, 250, 0.4); }
.dq-culture:hover h3 { color: var(--brand); }

/* 发展历程 */
.dq-timeline { position: relative; max-width: 880px; margin: 0 auto; padding-left: 40px; }
.dq-timeline::before { content: ""; position: absolute; left: 9px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--brand), var(--brand-2), rgba(139, 92, 246, 0.1)); }
.dq-tl-item { position: relative; padding: 0 0 44px 30px; }
.dq-tl-item::before {
  content: ""; position: absolute; left: -37px; top: 6px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--card); border: 3.5px solid var(--brand); box-shadow: 0 0 0 5px rgba(91, 124, 250, 0.14);
}
.dq-tl-item .year { font-size: 26px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 8px; }
.dq-tl-item .body { background: var(--card); border: 1px solid var(--line-light); border-radius: 14px; padding: 18px 22px; color: var(--text-2); font-size: 14.5px; }
.dq-tl-item .body p { margin: 4px 0; }

/* ---------- 荣誉资质 ---------- */
.dq-honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.dq-honor { overflow: hidden; }
.dq-honor .ph { background: linear-gradient(135deg, #101a2e, #1a2740); aspect-ratio: 16/10; display: flex; align-items: center; justify-content: center; color: #a5b4fc; }
.dq-honor .ph img { width: 100%; height: 100%; object-fit: cover; }
.dq-honor .bd { padding: 20px 24px; }
.dq-honor .bd h3 { font-size: 16px; font-weight: 700; }
.dq-honor .bd p { font-size: 12.5px; color: var(--text-3); margin-top: 4px; }

/* ---------- 加入我们 ---------- */
.dq-job-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.dq-job { padding: 28px; }
.dq-job h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.dq-job .meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.dq-job .meta span { font-size: 12.5px; padding: 4px 12px; border-radius: 999px; background: #eef2ff; color: var(--brand); }
.dq-job p { font-size: 14px; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.dq-job .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-weight: 600; color: var(--brand); font-size: 14px; }

/* ---------- 联系我们 ---------- */
.dq-contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 30px; align-items: start; }
.dq-contact-cards { display: flex; flex-direction: column; gap: 20px; }
.dq-contact-card { padding: 26px 28px; display: flex; gap: 18px; align-items: flex-start; }
.dq-contact-card .ic { width: 48px; height: 48px; flex: none; border-radius: 13px; background: var(--grad-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; }
.dq-contact-card h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 4px; }
.dq-contact-card p, .dq-contact-card a { font-size: 14px; color: var(--text-2); }
.dq-contact-card a:hover { color: var(--brand); }
.dq-form { background: var(--card); border: 1px solid var(--line-light); border-radius: 22px; padding: 36px 38px; box-shadow: var(--shadow); }
.dq-form h3 { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.dq-form .sub { font-size: 13.5px; color: var(--text-3); margin-bottom: 24px; }
.dq-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.dq-field { margin-bottom: 16px; }
.dq-field label { display: block; font-size: 13px; font-weight: 600; color: var(--text-1); margin-bottom: 7px; }
.dq-field input, .dq-field textarea {
  width: 100%; border: 1px solid var(--line-light); border-radius: 10px;
  padding: 12px 14px; font-size: 14.5px; color: var(--text-1); background: #fbfcff;
  transition: border-color .25s, box-shadow .25s; outline: none;
}
.dq-field input:focus, .dq-field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3.5px rgba(91, 124, 250, 0.14); background: #fff; }
.dq-field textarea { resize: vertical; min-height: 110px; }
.dq-form .dq-btn { width: 100%; }

/* ---------- 合作伙伴 ---------- */
.dq-partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.dq-partner { padding: 30px 16px; display: flex; align-items: center; justify-content: center; min-height: 110px; }
.dq-partner img { max-height: 52px; filter: grayscale(1); opacity: .65; transition: filter .3s, opacity .3s; }
.dq-partner:hover img { filter: none; opacity: 1; }

/* ---------- 资料下载 ---------- */
.dq-dl-item { display: flex; align-items: center; gap: 18px; padding: 22px 26px; }
.dq-dl-item .ic { width: 46px; height: 46px; flex: none; border-radius: 12px; background: var(--grad-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; }
.dq-dl-item .bd { flex: 1; min-width: 0; }
.dq-dl-item .bd h3 { font-size: 15.5px; font-weight: 700; }
.dq-dl-item .bd p { font-size: 12.5px; color: var(--text-3); }

/* ---------- 营销网络 ---------- */
.dq-market-table { background: var(--card); border: 1px solid var(--line-light); border-radius: 18px; overflow: hidden; }
.dq-market-table table { width: 100%; border-collapse: collapse; }
.dq-market-table th, .dq-market-table td { padding: 15px 20px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--line-light); }
.dq-market-table th { background: #f1f5f9; color: var(--text-1); font-weight: 700; }
.dq-market-table tr:last-child td { border-bottom: 0; }
.dq-market-table td { color: var(--text-2); }

/* ---------- 回到顶部 ---------- */
.dq-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 900;
  width: 46px; height: 46px; border-radius: 12px; border: 0; cursor: pointer;
  background: rgba(11, 18, 32, 0.85); color: #fff; backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: opacity .3s, transform .3s, background .3s;
  box-shadow: 0 10px 26px -8px rgba(0,0,0,.4);
}
.dq-top.show { opacity: 1; pointer-events: auto; transform: none; }
.dq-top:hover { background: var(--brand); }

/* ---------- 入场动效（无 JS 时内容始终可见） ---------- */
.dq-js .dq-reveal { opacity: 0; transform: translateY(34px); transition: opacity .7s ease, transform .7s ease; }
.dq-js .dq-reveal.in { opacity: 1; transform: none; }
.dq-reveal.d1 { transition-delay: .08s; } .dq-reveal.d2 { transition-delay: .16s; }
.dq-reveal.d3 { transition-delay: .24s; } .dq-reveal.d4 { transition-delay: .32s; }
.dq-reveal.d5 { transition-delay: .4s; }  .dq-reveal.d6 { transition-delay: .48s; }

/* ---------- 深色区块中的标题 ---------- */
.dq-dark-sec { background: linear-gradient(180deg, #0b1220, #070c18); color: #e2e8f0; }
.dq-dark-sec .dq-h2 { color: #f1f5f9; }
.dq-dark-sec .dq-lead { color: #94a3b8; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .dq-cap-grid { grid-template-columns: repeat(2, 1fr); }
  .dq-prod-grid { grid-template-columns: repeat(2, 1fr); }
  .dq-case-grid { grid-template-columns: 1fr; }
  .dq-news-grid { grid-template-columns: repeat(2, 1fr); }
  .dq-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dq-footer-top { grid-template-columns: 1fr 1fr; }
  .dq-culture-grid { grid-template-columns: repeat(3, 1fr); }
  .dq-honor-grid { grid-template-columns: repeat(2, 1fr); }
  .dq-hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .dq-code-card { max-width: 560px; }
  .dq-nd { grid-template-columns: 1fr; }
  .dq-side { position: static; }
  .dq-pd { grid-template-columns: 1fr; }
  .dq-about-hero { grid-template-columns: 1fr; }
  .dq-contact-grid { grid-template-columns: 1fr; }
  .dq-partner-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  .dq-sec { padding: 72px 0; }
  .dq-nav-links, .dq-nav-tel {
    position: fixed; top: 74px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(7, 12, 24, 0.96); backdrop-filter: blur(16px);
    padding: 12px 4vw 24px; display: none;
    box-shadow: 0 30px 50px -20px rgba(0,0,0,.5);
  }
  .dq-nav-links.open, .dq-nav-tel.open { display: flex; }
  .dq-nav-link { color: #e2e8f0; padding: 13px 10px; border-bottom: 1px solid rgba(148,163,214,.08); }
  .dq-nav-burger { display: block; }
  .dq-nav-cta .dq-btn { display: none; }
  .dq-hero { padding: 150px 0 90px; }
  .dq-prod-grid, .dq-news-grid, .dq-cap-grid { grid-template-columns: 1fr; }
  .dq-cta { padding: 48px 30px; }
  .dq-cta h3 { font-size: 24px; }
  .dq-footer-top { grid-template-columns: 1fr; gap: 30px; padding: 54px 0 40px; }
  .dq-honor-grid, .dq-partner-grid, .dq-culture-grid { grid-template-columns: repeat(2, 1fr); }
  .dq-job-grid { grid-template-columns: 1fr; }
  .dq-nd-main { padding: 28px 22px; }
  .dq-form { padding: 26px 22px; }
  .dq-form-row { grid-template-columns: 1fr; }
  .dq-stats-grid { gap: 22px; }
  .dq-stat .n { font-size: 38px; }
}