/* ==========================================================================
   安徽利见太初数字科技有限公司 — 官网样式系统
   纯前端静态站点 / 无第三方依赖
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root {
  /* 主色：青 → 蓝 → 紫 */
  --c-cyan: #35ddf5;
  --c-blue: #5a9bff;
  --c-indigo: #8a8fff;
  --c-violet: #c07dff;

  --grad-primary: linear-gradient(135deg, #35ddf5 0%, #5a9bff 45%, #9678f8 100%);
  --grad-soft: linear-gradient(135deg, rgba(53, 221, 245, .24), rgba(150, 120, 248, .24));
  --grad-text: linear-gradient(120deg, #8ff4ff 0%, #8cbfff 40%, #d9b0ff 100%);

  /* 背景层：整体再提亮一档，减弱压抑感 */
  --bg-base: #131b2e;
  --bg-1: #182136;
  --bg-2: #1e2942;
  --surface: rgba(255, 255, 255, .075);
  --surface-2: rgba(255, 255, 255, .115);
  --line: rgba(255, 255, 255, .16);
  --line-strong: rgba(255, 255, 255, .28);

  /* 文字 */
  --t-1: #f8faff;
  --t-2: #c9d3e8;
  --t-3: #97a6c4;

  --radius-s: 10px;
  --radius: 16px;
  --radius-l: 22px;
  --radius-xl: 30px;

  --shadow-s: 0 4px 18px rgba(8, 14, 28, .2);
  --shadow: 0 18px 48px rgba(6, 12, 26, .34);
  --shadow-glow: 0 0 0 1px rgba(125, 240, 255, .28), 0 22px 60px -18px rgba(90, 155, 255, .6);

  --maxw: 1200px;
  --nav-h: 74px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
    system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-num: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
}

/* ---------- 2. 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--t-2);
  line-height: 1.75;
  font-size: 15.5px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.no-scroll { overflow: hidden; }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
::selection { background: rgba(90, 155, 255, .5); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #131b2e; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #42557a, #6078a0);
  border-radius: 99px; border: 2px solid #131b2e;
}
::-webkit-scrollbar-thumb:hover { background: #7a8eb4; }

/* ---------- 3. 布局工具 ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { position: relative; padding: 104px 0; }
.section--tight { padding: 72px 0; }
.bg-1 { background: var(--bg-1); }
.bg-2 { background: var(--bg-2); }

.grid { display: grid; gap: 22px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.center { text-align: center; }

.sec-head { max-width: 760px; margin-bottom: 54px; }
.sec-head.center { margin-left: auto; margin-right: auto; }
.sec-head.center .sec-sub { margin-left: auto; margin-right: auto; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; letter-spacing: .16em; text-transform: uppercase;
  color: #7dd3fc; font-weight: 600; margin-bottom: 16px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px;
  background: var(--grad-primary);
}

h1, h2, h3, h4 { color: var(--t-1); line-height: 1.25; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: 52px; }
h2 { font-size: 38px; }
h3 { font-size: 20px; }
h4 { font-size: 16.5px; }

.sec-title { font-size: 38px; margin-bottom: 18px; }
.sec-sub { color: var(--t-2); font-size: 16px; max-width: 640px; }

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 48px; padding: 0 26px; border-radius: 99px;
  font-size: 15px; font-weight: 600; white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s, color .25s;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--grad-primary); color: #fff;
  box-shadow: 0 10px 30px -10px rgba(59, 130, 246, .8);
}
.btn-primary:hover { box-shadow: 0 18px 40px -12px rgba(99, 102, 241, .95); }

.btn-ghost {
  border: 1px solid var(--line-strong); color: var(--t-1);
  background: rgba(255, 255, 255, .072);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: rgba(103, 232, 249, .6); background: rgba(34, 211, 238, .1); }

.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }
.btn-block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  color: #7dd3fc; font-weight: 600; font-size: 14.5px;
}
.link-arrow svg { width: 15px; height: 15px; transition: transform .25s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 5. 顶部导航 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 900; height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .35s, border-color .35s, backdrop-filter .35s, height .35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(19, 27, 46, .84);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom-color: var(--line);
}
.nav-inner {
  width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 22px;
}

.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand-mark {
  width: 52px; height: 52px; border-radius: 50%; flex: none;
  display: grid; place-items: center;
  position: relative;
  filter: drop-shadow(0 0 14px rgba(125, 240, 255, .32));
  transition: transform .3s var(--ease);
}
.brand:hover .brand-mark { transform: scale(1.05); }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.brand-mark svg { width: 22px; height: 22px; position: relative; z-index: 1; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { color: var(--t-1); font-size: 15.5px; font-weight: 700; letter-spacing: .02em; }
.brand-text span { font-size: 10.5px; color: var(--t-3); letter-spacing: .18em; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  position: relative; padding: 9px 15px; border-radius: 10px;
  font-size: 14.5px; color: var(--t-2); font-weight: 500;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--t-1); background: var(--surface-2); }
.nav-links a.active { color: #fff; }
.nav-links a.active::after {
  content: ""; position: absolute; left: 50%; bottom: 2px; transform: translateX(-50%);
  width: 18px; height: 2px; border-radius: 2px; background: var(--grad-primary);
}

.nav-right { display: flex; align-items: center; gap: 12px; flex: none; }

.burger {
  display: none; width: 42px; height: 42px; border-radius: 11px;
  border: 1px solid var(--line); place-items: center;
  background: var(--surface);
}
.burger span { display: block; width: 17px; height: 1.8px; background: var(--t-1); border-radius: 2px; transition: .3s var(--ease); }
.burger span + span { margin-top: 4.5px; }
.burger.on span:nth-child(1) { transform: translateY(6.3px) rotate(45deg); }
.burger.on span:nth-child(2) { opacity: 0; }
.burger.on span:nth-child(3) { transform: translateY(-6.3px) rotate(-45deg); }

.drawer {
  position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 890;
  background: rgba(19, 27, 46, .97);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  padding: 14px 24px 26px;
  transform: translateY(-12px); opacity: 0; visibility: hidden;
  transition: .32s var(--ease);
  max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
}
.drawer.open { transform: none; opacity: 1; visibility: visible; }
.drawer a:not(.btn) {
  display: flex; align-items: center; justify-content: space-between;
  padding: 15px 4px; border-bottom: 1px solid var(--line);
  color: var(--t-1); font-size: 16px; font-weight: 500;
}
.drawer a:not(.btn) svg { width: 16px; height: 16px; flex: none; color: var(--t-3); }
.drawer a.active { color: #7dd3fc; }
.drawer .btn { margin-top: 22px; }

/* ---------- 6. 首屏 Hero ---------- */
.hero {
  position: relative; padding: calc(var(--nav-h) + 84px) 0 92px;
  overflow: hidden; isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.orb {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: .58;
  animation: float 16s ease-in-out infinite;
}
.orb.o1 { width: 520px; height: 520px; background: #3468ea; top: -170px; left: -110px; }
.orb.o2 { width: 460px; height: 460px; background: #14b8d8; top: 40px; right: -130px; animation-delay: -5s; }
.orb.o3 { width: 420px; height: 420px; background: #9469f2; bottom: -200px; left: 42%; opacity: .42; animation-delay: -9s; }
@keyframes float {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(26px, -34px, 0) scale(1.07); }
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(rgba(255,255,255,.095) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.095) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: radial-gradient(ellipse 78% 62% at 50% 34%, #000 25%, transparent 76%);
  mask-image: radial-gradient(ellipse 78% 62% at 50% 34%, #000 25%, transparent 76%);
}
.hero-noise {
  position: absolute; inset: 0; z-index: -1; opacity: .3;
  background: radial-gradient(ellipse at 50% 0%, rgba(110, 140, 255, .24), transparent 62%),
              radial-gradient(ellipse at 50% 100%, rgba(19, 27, 46, .78), transparent 60%);
}

.hero-inner { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  height: 34px; padding: 0 15px 0 8px; border-radius: 99px;
  background: rgba(34, 211, 238, .08); border: 1px solid rgba(34, 211, 238, .28);
  font-size: 13px; color: #a5f3fc; margin-bottom: 24px;
}
.hero-badge i {
  width: 20px; height: 20px; border-radius: 50%; background: rgba(34,211,238,.16);
  display: grid; place-items: center; font-style: normal;
}
.hero-badge i::after {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: #22d3ee;
  box-shadow: 0 0 0 0 rgba(34,211,238,.7); animation: ping 2.2s infinite;
}
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(34,211,238,.65); }
  70% { box-shadow: 0 0 0 9px rgba(34,211,238,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,211,238,0); }
}

.hero h1 { font-size: 54px; letter-spacing: -.02em; margin-bottom: 22px; }
.hero h1 .line { display: block; }
.hero-rotator { display: inline-flex; align-items: baseline; min-width: 3.2em; }
.hero-rotator em {
  font-style: normal; background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  border-right: 2px solid rgba(125, 211, 252, .8);
  padding-right: 3px; animation: caret .95s steps(1) infinite;
}
@keyframes caret { 50% { border-color: transparent; } }

.hero-desc { font-size: 17px; max-width: 560px; margin-bottom: 34px; color: var(--t-2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }

.hero-tags { display: flex; flex-wrap: wrap; gap: 9px; }
.hero-tags span {
  padding: 6px 14px; border-radius: 99px; font-size: 13px;
  border: 1px solid var(--line); background: var(--surface); color: var(--t-2);
}

/* Hero 右侧：代码/面板可视化 */
.hero-panel {
  position: relative; border-radius: var(--radius-l);
  background: linear-gradient(180deg, rgba(38, 52, 88, .92), rgba(25, 36, 61, .95));
  border: 1px solid var(--line); box-shadow: var(--shadow);
  overflow: hidden; backdrop-filter: blur(10px);
}
.panel-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 13px 16px; border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .06);
}
.panel-bar i { width: 10px; height: 10px; border-radius: 50%; background: #5d7295; }
.panel-bar i:nth-child(1) { background: #f87171; }
.panel-bar i:nth-child(2) { background: #fbbf24; }
.panel-bar i:nth-child(3) { background: #34d399; }
.panel-bar b { margin-left: 8px; font-size: 12px; color: var(--t-3); font-family: var(--font-num); font-weight: 500; }

.panel-body { padding: 20px 18px; font-family: var(--font-num); font-size: 12.6px; line-height: 2; }
.panel-body .k { color: #c084fc; }
.panel-body .f { color: #60a5fa; }
.panel-body .s { color: #86efac; }
.panel-body .c { color: #8799bf; }
.panel-body .n { color: #fbbf24; }
.panel-body .row { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.panel-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}
.panel-metrics div {
  padding: 15px 12px; text-align: center; border-right: 1px solid var(--line);
}
.panel-metrics div:last-child { border-right: 0; }
.panel-metrics b {
  display: block; font-size: 21px; color: var(--t-1); font-family: var(--font-num);
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; font-weight: 700;
}
.panel-metrics span { font-size: 11.5px; color: var(--t-3); }

.hero-panel .glow {
  position: absolute; width: 240px; height: 240px; border-radius: 50%;
  background: #5a9bff; filter: blur(90px); opacity: .26; top: -80px; right: -70px; pointer-events: none;
}

/* ---------- 7. 数据条 ---------- */
.stats {
  position: relative; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(32, 44, 74, .75), rgba(25, 35, 58, .75));
}
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 44px 20px; text-align: center; position: relative; }
.stat + .stat::before {
  content: ""; position: absolute; left: 0; top: 26%; height: 48%; width: 1px;
  background: linear-gradient(180deg, transparent, var(--line-strong), transparent);
}
.stat b {
  display: block; font-size: 42px; font-weight: 700; line-height: 1.1;
  font-family: var(--font-num);
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat b .suf { font-size: 22px; }
.stat span { color: var(--t-3); font-size: 13.5px; }

/* ---------- 8. 卡片 ---------- */
.card {
  position: relative; border-radius: var(--radius-l);
  background: linear-gradient(180deg, rgba(255,255,255,.088), rgba(255,255,255,.042));
  border: 1px solid var(--line);
  padding: 30px 26px;
  transition: transform .35s var(--ease), border-color .35s, box-shadow .35s, background .35s;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; opacity: 0;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), rgba(90,155,255,.2), transparent 65%);
  transition: opacity .35s; pointer-events: none;
}
.card:hover { transform: translateY(-6px); border-color: rgba(103, 232, 249, .35); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; z-index: 1; }

.icon-box {
  width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid rgba(103, 232, 249, .22);
  margin-bottom: 20px; color: #7dd3fc;
  transition: transform .35s var(--ease), box-shadow .35s;
}
.icon-box svg { width: 25px; height: 25px; }
.card:hover .icon-box { transform: scale(1.06) rotate(-4deg); box-shadow: 0 10px 26px -12px rgba(34,211,238,.8); }

.card h3 { margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--t-2); }
.card-num {
  position: absolute; top: 22px; right: 24px; font-family: var(--font-num);
  font-size: 34px; font-weight: 700; color: rgba(255,255,255,.12); z-index: 0;
}

.card-list { margin-top: 18px; display: grid; gap: 8px; }
.card-list li {
  display: flex; gap: 9px; align-items: flex-start;
  font-size: 13.6px; color: var(--t-2);
}
.card-list li::before {
  content: ""; flex: none; width: 15px; height: 15px; margin-top: 6px; border-radius: 50%;
  background: rgba(34,211,238,.14) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2367e8f9' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/9px no-repeat;
}

/* ---------- 9. 服务/能力列表 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

/* ---------- 10. 客户案例 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 38px; }
.filters button {
  padding: 9px 20px; border-radius: 99px; font-size: 14px;
  border: 1px solid var(--line); color: var(--t-2); background: var(--surface);
  transition: .25s var(--ease);
}
.filters button:hover { color: var(--t-1); border-color: var(--line-strong); }
.filters button.active {
  color: #fff; border-color: transparent; background: var(--grad-primary);
  box-shadow: 0 10px 26px -12px rgba(59,130,246,.9);
}

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case {
  border-radius: var(--radius-l); border: 1px solid var(--line); overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.082), rgba(255,255,255,.042));
  transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
  display: flex; flex-direction: column;
}
.case:hover { transform: translateY(-6px); border-color: rgba(139, 92, 246, .4); box-shadow: var(--shadow); }
.case-visual {
  height: 152px; position: relative; overflow: hidden;
  background: var(--bg-2); display: grid; place-items: center;
}
.case-visual::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.085) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.085) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 78%);
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 78%);
}
.case-visual .em {
  font-size: 40px; font-weight: 700; letter-spacing: .02em;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; position: relative; z-index: 1;
}
.case-visual .badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  padding: 4px 11px; border-radius: 99px; font-size: 11.5px;
  background: rgba(25, 36, 60, .72); border: 1px solid var(--line-strong); color: #a5f3fc;
  backdrop-filter: blur(6px);
}
.case-body { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: 17.5px; margin-bottom: 9px; }
.case-body p { font-size: 14px; flex: 1; }
.case-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.case-tags span {
  font-size: 12px; padding: 4px 10px; border-radius: 6px;
  background: rgba(129, 140, 248, .16); color: #c3caff; border: 1px solid rgba(129,140,248,.28);
}
.case-empty { grid-column: 1 / -1; text-align: center; padding: 60px 0; color: var(--t-3); }

/* ---------- 11. 流程时间轴 ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative; }
.flow::before {
  content: ""; position: absolute; top: 27px; left: 8%; right: 8%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(103,232,249,.5), rgba(168,85,247,.5), transparent);
}
.flow-item { text-align: center; position: relative; }
.flow-dot {
  width: 54px; height: 54px; margin: 0 auto 18px; border-radius: 50%;
  display: grid; place-items: center; position: relative; z-index: 1;
  background: #1e2942; border: 1px solid var(--line-strong); color: #7dd3fc;
  font-family: var(--font-num); font-weight: 700; font-size: 15px;
  transition: .35s var(--ease);
}
.flow-item:hover .flow-dot {
  background: var(--grad-primary); color: #fff; border-color: transparent;
  box-shadow: 0 0 0 6px rgba(59,130,246,.14), 0 14px 30px -12px rgba(59,130,246,.9);
  transform: translateY(-4px);
}
.flow-item h4 { margin-bottom: 7px; }
.flow-item p { font-size: 13.4px; }

/* ---------- 12. 产品 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.prod {
  position: relative; border-radius: var(--radius-l); padding: 28px 24px;
  border: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.042));
  transition: .35s var(--ease); display: flex; flex-direction: column;
}
.prod:hover { transform: translateY(-6px); border-color: rgba(103,232,249,.35); box-shadow: var(--shadow); }
.prod-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.prod-logo {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  font-weight: 800; font-size: 19px; color: #fff; flex: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}
.prod-status {
  font-size: 11.5px; padding: 4px 10px; border-radius: 99px; white-space: nowrap;
  border: 1px solid; font-weight: 600;
}
.st-live { color: #6ee7b7; border-color: rgba(52,211,153,.35); background: rgba(52,211,153,.1); }
.st-beta { color: #7dd3fc; border-color: rgba(56,189,248,.35); background: rgba(56,189,248,.1); }
.st-plan { color: #fcd34d; border-color: rgba(251,191,36,.32); background: rgba(251,191,36,.1); }
.st-dev { color: #c4b5fd; border-color: rgba(167,139,250,.35); background: rgba(167,139,250,.1); }

.prod h3 { font-size: 19px; margin-bottom: 6px; }
.prod .en { font-family: var(--font-num); font-size: 11.5px; color: var(--t-3); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 12px; }
.prod p { font-size: 14.4px; flex: 1; }
.prod-feat { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.prod-feat span {
  font-size: 12px; padding: 4px 10px; border-radius: 7px;
  background: var(--surface-2); border: 1px solid var(--line); color: var(--t-2);
}
.prod-foot {
  margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.prod-foot small { font-size: 12px; color: var(--t-3); font-family: var(--font-num); }

/* 产品路线 */
.roadmap { display: grid; gap: 0; margin-top: 26px; }
.rm-row {
  display: grid; grid-template-columns: 132px 1fr; gap: 22px; padding: 22px 0;
  border-bottom: 1px solid var(--line); align-items: start;
}
.rm-row:last-child { border-bottom: 0; }
.rm-q { font-family: var(--font-num); font-weight: 700; color: #7dd3fc; font-size: 15px; }
.rm-q small { display: block; color: var(--t-3); font-weight: 500; font-size: 11.5px; letter-spacing: .08em; }
.rm-body h4 { margin-bottom: 6px; }
.rm-body p { font-size: 14.2px; }

/* ---------- 13. 技术栈 ---------- */
.marquee {
  overflow: hidden; position: relative; padding: 8px 0; margin-top: 8px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; gap: 14px; width: max-content; animation: scroll-x 42s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes scroll-x { to { transform: translateX(-50%); } }
.tech-chip {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; border-radius: 14px;
  border: 1px solid var(--line); background: var(--surface);
  color: var(--t-1); font-size: 14.5px; font-weight: 500; white-space: nowrap;
}
.tech-chip i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--grad-primary); flex: none;
}

/* ---------- 14. 关于/价值观 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.value {
  padding: 24px 22px; border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--surface); transition: .3s var(--ease);
}
.value:hover { border-color: rgba(103,232,249,.32); transform: translateY(-4px); }
.value h4 { margin-bottom: 7px; display: flex; align-items: center; gap: 9px; }
.value h4 i {
  font-style: normal; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  background: var(--grad-soft); color: #7dd3fc; font-size: 13px;
}
.value p { font-size: 13.8px; }

/* 发展历程 */
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(180deg, #22d3ee, #6366f1 55%, transparent);
}
.tl-item { position: relative; padding: 0 0 32px 0; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 7px; width: 13px; height: 13px;
  border-radius: 50%; background: #1e2942; border: 2px solid #38bdf8;
  box-shadow: 0 0 0 4px rgba(56,189,248,.12);
}
.tl-year { font-family: var(--font-num); font-weight: 700; color: #7dd3fc; font-size: 14.5px; margin-bottom: 5px; }
.tl-item h4 { margin-bottom: 6px; }
.tl-item p { font-size: 14.2px; }

/* ---------- 15. 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 40px; align-items: start; }
.info-list { display: grid; gap: 16px; }
.info {
  display: flex; gap: 15px; padding: 20px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--surface);
  transition: .3s var(--ease);
}
.info:hover { border-color: rgba(103,232,249,.3); background: var(--surface-2); }
.info .ic {
  width: 42px; height: 42px; border-radius: 12px; flex: none; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid rgba(103,232,249,.2); color: #7dd3fc;
}
.info .ic svg { width: 20px; height: 20px; }
.info b { display: block; color: var(--t-1); font-size: 14.8px; margin-bottom: 3px; }
.info p { font-size: 14px; margin: 0; }
.info small { color: var(--t-3); font-size: 12.4px; }

.form { padding: 30px 28px; border-radius: var(--radius-l); border: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.042)); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; color: var(--t-1); margin-bottom: 8px; font-weight: 500; }
.field label em { color: #f472b6; font-style: normal; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 15px; border-radius: var(--radius-s);
  background: rgba(19, 28, 48, .7); border: 1px solid var(--line);
  color: var(--t-1); font-size: 14.5px; transition: .25s;
}
.field textarea { min-height: 118px; resize: vertical; }
.field select { appearance: none; cursor: pointer; }
.field input::placeholder, .field textarea::placeholder { color: #97a6c399; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: rgba(103,232,249,.6);
  box-shadow: 0 0 0 4px rgba(34,211,238,.1);
}
.field.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field.two > div { margin: 0; }
.form-note { font-size: 12.6px; color: var(--t-3); margin-top: 14px; }
.form-msg {
  display: none; margin-top: 16px; padding: 13px 16px; border-radius: var(--radius-s);
  font-size: 14px; border: 1px solid;
}
.form-msg.ok { display: block; color: #6ee7b7; border-color: rgba(52,211,153,.35); background: rgba(52,211,153,.1); }
.form-msg.err { display: block; color: #fca5a5; border-color: rgba(248,113,113,.35); background: rgba(248,113,113,.1); }

/* 地图占位 */
.map-box {
  margin-top: 16px; height: 240px; border-radius: var(--radius);
  border: 1px solid var(--line); position: relative; overflow: hidden;
  background:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px) 0 0 / 34px 34px,
    radial-gradient(circle at 50% 50%, rgba(59,130,246,.18), transparent 65%), var(--bg-2);
  display: grid; place-items: center; text-align: center;
}
.map-box::before {
  content: ""; position: absolute; width: 130px; height: 130px; border-radius: 50%;
  border: 1px dashed rgba(103,232,249,.4); animation: pulse-ring 3s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(.6); opacity: .9; }
  100% { transform: scale(1.7); opacity: 0; }
}
.map-box .pin {
  position: relative; z-index: 1; display: grid; gap: 8px; justify-items: center;
}
.map-box .pin b { color: var(--t-1); font-size: 15px; }
.map-box .pin span { font-size: 12.6px; color: var(--t-3); }
.map-box .pin i {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad-primary); box-shadow: 0 10px 26px -10px rgba(59,130,246,.9);
}

/* ---------- 16. FAQ ---------- */
.faq { display: grid; gap: 12px; max-width: 860px; margin: 0 auto; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; transition: .3s; }
.faq-item.open { border-color: rgba(103,232,249,.35); background: var(--surface-2); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 19px 22px; text-align: left; color: var(--t-1); font-size: 15.5px; font-weight: 600;
}
.faq-q i {
  flex: none; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  background: var(--surface-2); color: #7dd3fc; font-style: normal; transition: .3s var(--ease);
}
.faq-item.open .faq-q i { transform: rotate(45deg); background: rgba(34,211,238,.16); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .38s var(--ease); }
.faq-a p { padding: 0 22px 20px; font-size: 14.4px; }

/* ---------- 17. CTA 区块 ---------- */
.cta {
  position: relative; border-radius: var(--radius-xl); padding: 62px 48px; overflow: hidden;
  background: linear-gradient(120deg, rgba(53,221,245,.22), rgba(110,120,250,.26) 50%, rgba(180,110,255,.24));
  border: 1px solid rgba(140,246,255,.36); text-align: center;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.095) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.095) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000, transparent 72%);
  mask-image: radial-gradient(ellipse at 50% 50%, #000, transparent 72%);
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { font-size: 34px; margin-bottom: 14px; }
.cta p { max-width: 560px; margin: 0 auto 30px; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* ---------- 18. 页脚 ---------- */
.footer { border-top: 1px solid var(--line); background: #121b30; padding: 62px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 48px; }
.footer h5 { color: var(--t-1); font-size: 14.5px; margin-bottom: 18px; font-weight: 700; }
.footer-links { display: grid; gap: 11px; }
.footer-links a, .footer-links p { font-size: 14px; color: var(--t-2); transition: color .2s; }
.footer-links a:hover { color: #7dd3fc; }
.footer-about p { font-size: 14px; margin: 16px 0 0; max-width: 330px; }
.footer-brand { margin-bottom: 4px; }
.footer-contact { display: grid; gap: 11px; }
.footer-contact div { font-size: 14px; display: flex; gap: 9px; }
.footer-contact div span:first-child { color: var(--t-3); flex: none; }
.footer-bottom {
  border-top: 1px solid var(--line); padding: 22px 0;
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--t-3);
}
.footer-bottom a:hover { color: #7dd3fc; }
.footer-bottom .legal { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- 19. 子页 Hero ---------- */
.page-hero {
  position: relative; padding: calc(var(--nav-h) + 72px) 0 72px;
  border-bottom: 1px solid var(--line); overflow: hidden; isolation: isolate;
}
.page-hero .orb { opacity: .42; }
.page-hero .orb.o1 { width: 400px; height: 400px; top: -180px; left: -80px; }
.page-hero .orb.o2 { width: 340px; height: 340px; top: -60px; right: -60px; }
.page-hero-inner { position: relative; max-width: 780px; }
.page-hero h1 { font-size: 44px; margin-bottom: 18px; }
.page-hero p { font-size: 16.5px; max-width: 660px; }
.crumb { display: flex; gap: 9px; align-items: center; font-size: 13px; color: var(--t-3); margin-bottom: 20px; }
.crumb a:hover { color: #7dd3fc; }
.crumb span { color: var(--t-3); }

/* ---------- 20. 滚动动效 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
.reveal.d5 { transition-delay: .4s; }

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

/* ---------- 21. 回到顶部 ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 26px; z-index: 800;
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: rgba(31, 43, 71, .92); border: 1px solid var(--line-strong);
  color: #7dd3fc; backdrop-filter: blur(10px);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: .32s var(--ease);
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { border-color: rgba(103,232,249,.6); background: rgba(34,211,238,.12); }
.to-top svg { width: 19px; height: 19px; }

/* ---------- 22. 其它通用块 ---------- */
.notice {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px 20px; border-radius: var(--radius);
  border: 1px dashed rgba(251, 191, 36, .34); background: rgba(251, 191, 36, .06);
  font-size: 13.6px; color: #fcd9a0;
}
.notice b { color: #fde68a; }

.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.quote {
  padding: 26px 24px; border-radius: var(--radius-l); border: 1px solid var(--line);
  background: var(--surface); position: relative;
}
.quote::before {
  content: "\201C"; position: absolute; top: 6px; right: 20px;
  font-size: 62px; line-height: 1; color: rgba(103,232,249,.14); font-family: Georgia, serif;
}
.quote p { font-size: 14.6px; margin-bottom: 18px; }
.quote .who { display: flex; align-items: center; gap: 11px; }
.quote .who i {
  width: 36px; height: 36px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: var(--grad-primary); color: #fff; font-style: normal; font-size: 13px; font-weight: 700;
}
.quote .who b { display: block; color: var(--t-1); font-size: 14px; }
.quote .who span { font-size: 12.4px; color: var(--t-3); }

.hl-band {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.hl-band > div { background: var(--bg-1); padding: 26px 22px; }
.hl-band b { display: block; color: var(--t-1); font-size: 15.5px; margin-bottom: 6px; }
.hl-band p { font-size: 13.6px; }

/* ---------- 23. 响应式 ---------- */
@media (max-width: 1080px) {
  h1 { font-size: 44px; }
  .sec-title { font-size: 32px; }
  .hero h1 { font-size: 46px; }
  .hero-inner { grid-template-columns: 1fr; gap: 46px; }
  .hero-desc { max-width: none; }
  .svc-grid, .prod-grid, .case-grid, .quote-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .hl-band { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav-links, .nav-right .btn { display: none; }
  .burger { display: grid; }
  .section { padding: 76px 0; }
  .split { grid-template-columns: 1fr; gap: 38px; }
  .contact-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; gap: 0; }
  .flow::before { display: none; }
  .flow-item { display: grid; grid-template-columns: 54px 1fr; gap: 18px; text-align: left; align-items: start; padding-bottom: 26px; }
  .flow-dot { margin: 0; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3)::before { display: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .stats-inner .stat:nth-child(2n)::before { display: block; }
  .rm-row { grid-template-columns: 1fr; gap: 8px; }
  .value-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .container { padding: 0 18px; }
  .nav-inner { padding: 0 18px; }
  .section { padding: 62px 0; }
  h1 { font-size: 34px; }
  .hero { padding: calc(var(--nav-h) + 52px) 0 66px; }
  .hero h1 { font-size: 33px; }
  .hero-desc { font-size: 15.5px; }
  .sec-title { font-size: 26px; }
  .page-hero { padding: calc(var(--nav-h) + 46px) 0 52px; }
  .page-hero h1 { font-size: 30px; }
  .svc-grid, .prod-grid, .case-grid, .quote-grid { grid-template-columns: 1fr; }
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
  .field.two { grid-template-columns: 1fr; }
  .cta { padding: 42px 22px; }
  .cta h2 { font-size: 25px; }
  .form { padding: 24px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-actions .btn { flex: 1; }
  .stat b { font-size: 34px; }
  .panel-metrics b { font-size: 18px; }
  .brand-text span { display: none; }
  .to-top { right: 16px; bottom: 18px; }
}