/* ============ 设计令牌 ============ */
:root {
  --bg: #05070f;
  --bg2: #0a0e1c;
  --panel: rgba(18, 24, 43, 0.55);
  --panel-solid: #0e1426;
  --line: rgba(120, 160, 255, 0.14);
  --line-strong: rgba(120, 200, 255, 0.35);
  --txt: #e8eefc;
  --txt-dim: #93a3c4;
  --txt-mute: #5f6f90;
  --cyan: #2de2ff;
  --purple: #8b5cff;
  --blue: #3b82f6;
  --pink: #ff5ec7;
  --grad: linear-gradient(120deg, #2de2ff 0%, #8b5cff 60%, #ff5ec7 100%);
  --grad-soft: linear-gradient(120deg, rgba(45,226,255,.18), rgba(139,92,255,.18));
  --glow-cyan: 0 0 24px rgba(45, 226, 255, 0.35);
  --glow-purple: 0 0 24px rgba(139, 92, 255, 0.35);
  --radius: 16px;
  --maxw: 1200px;
  --nav-h: 68px;
}

/* ============ 基础 ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--txt);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.grad { background: linear-gradient(120deg, #2de2ff, #8b5cff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad2 { background: linear-gradient(120deg, #8b5cff, #ff5ec7); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ============ 背景 ============ */
.hero-bg { position: absolute; inset: 0; z-index: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 1.2s ease; }
.hero-bg.show { opacity: .85; }
.bg-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(620px 420px at 12% 8%, rgba(45,226,255,.16), transparent 60%),
    radial-gradient(680px 520px at 88% 18%, rgba(139,92,255,.16), transparent 60%),
    radial-gradient(900px 600px at 50% 110%, rgba(59,130,246,.10), transparent 60%),
    var(--bg);
}
section, header, footer { position: relative; z-index: 1; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
  cursor: pointer; border: 1px solid transparent; transition: all .25s ease; white-space: nowrap;
}
.btn-lg { padding: 14px 30px; font-size: 15px; }
.btn-primary { background: var(--grad); color: #04111f; box-shadow: var(--glow-cyan); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 34px rgba(45,226,255,.55); }
.btn-outline { border-color: var(--line-strong); color: var(--txt); background: rgba(255,255,255,.02); }
.btn-outline:hover { border-color: var(--cyan); box-shadow: var(--glow-cyan); }
.btn-ghost { border-color: var(--line); color: var(--txt-dim); }
.btn-ghost:hover { color: var(--cyan); border-color: var(--cyan); }

/* ============ 导航 ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 50;
  display: flex; align-items: center;
  backdrop-filter: blur(14px);
  background: rgba(5, 7, 15, 0.62);
  border-bottom: 1px solid var(--line);
  transition: background .3s;
}
.nav.scrolled { background: rgba(5, 7, 15, 0.9); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; width: 100%; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; overflow: hidden;
  font-weight: 800; font-size: 18px; color: #04111f; background: var(--grad); box-shadow: var(--glow-cyan);
}
.logo-mark img { width: 100%; height: 100%; object-fit: cover; }
.logo-text { font-weight: 700; font-size: 17px; line-height: 1.1; display: flex; flex-direction: column; }
.logo-text i { font-style: normal; font-size: 10px; letter-spacing: 1px; color: var(--txt-mute); font-weight: 500; }
.nav-links { display: flex; gap: 22px; }
.nav-links a { font-size: 14px; color: var(--txt-dim); position: relative; transition: color .2s; }
.nav-links a:hover { color: var(--cyan); }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--grad); transition: width .25s; }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: none; color: var(--txt); font-size: 24px; cursor: pointer; }

/* ============ Hero ============ */
.hero { min-height: 100vh; display: flex; flex-direction: column; align-items: stretch; justify-content: center; padding: calc(var(--nav-h) + 30px) 32px 60px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(5,7,15,.55) 0%, rgba(5,7,15,.82) 60%, rgba(5,7,15,.95) 100%); pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background:
  radial-gradient(60% 60% at 18% 30%, rgba(45,226,255,.16), transparent 70%),
  radial-gradient(50% 50% at 85% 70%, rgba(255,94,199,.14), transparent 70%),
  repeating-linear-gradient(0deg, transparent 0 38px, rgba(120,180,255,.05) 38px 39px),
  repeating-linear-gradient(90deg, transparent 0 38px, rgba(120,180,255,.05) 38px 39px); }
#bg-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; opacity: .45; }
.hero-inner { position: relative; z-index: 3; max-width: 1280px; width: 100%; margin: 0 auto; }

/* 顶部状态条 */
.hero-statusbar {
  display: flex; align-items: center; gap: 14px; padding: 10px 16px;
  border: 1px solid var(--line); border-radius: 12px;
  background: linear-gradient(180deg, rgba(13,22,40,.7), rgba(8,14,28,.55));
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  font-size: 12px; color: var(--txt-dim); margin-bottom: 36px;
  box-shadow: 0 6px 26px rgba(0,0,0,.35), inset 0 1px 0 rgba(120,180,255,.06);
}
.status-pill { display: inline-flex; align-items: center; gap: 8px; padding: 4px 10px; border-radius: 999px; border: 1px solid rgba(45,226,255,.35); color: var(--cyan); background: rgba(45,226,255,.06); font-weight: 600; letter-spacing: .3px; }
.status-pill .dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.status-pill .dot-live { background: #2de2ff; box-shadow: 0 0 0 0 rgba(45,226,255,.6); animation: livepulse 1.8s infinite; }
.status-meta { flex: 1; text-align: center; letter-spacing: 2px; font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; color: rgba(180,200,230,.65); font-size: 11px; }
.status-clock { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; color: var(--cyan); font-weight: 700; letter-spacing: 1px; }
@keyframes livepulse { 0% { box-shadow: 0 0 0 0 rgba(45,226,255,.55); } 70% { box-shadow: 0 0 0 8px rgba(45,226,255,0); } 100% { box-shadow: 0 0 0 0 rgba(45,226,255,0); } }

/* 主区左右分栏 */
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 60px; align-items: end; margin-bottom: 56px; }
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; gap: 28px; align-items: start; } }

/* 左侧大标 */
.hero-left { position: relative; }
.hero-eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 11px; letter-spacing: 3px; color: var(--cyan); }
.eyebrow-line { display: inline-block; width: 36px; height: 1px; background: linear-gradient(90deg, var(--cyan), transparent); }
.eyebrow-txt { opacity: .85; }

.hero-title { display: flex; flex-direction: column; gap: 8px; line-height: .98; }
.hero-title-line { display: flex; align-items: center; gap: 16px; }
.hero-big { font-size: clamp(44px, 7.2vw, 88px); font-weight: 900; letter-spacing: 4px; line-height: 1; }
.hero-vert {
  writing-mode: vertical-rl; text-orientation: upright; letter-spacing: 4px;
  font-size: 13px; font-weight: 700; color: rgba(180,200,230,.55);
  border-left: 1px solid rgba(120,180,255,.35); padding: 6px 0 6px 10px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
.hero-vert-2 { border-left-color: rgba(255,94,199,.35); color: rgba(255,200,230,.55); }

/* 右侧副标 + CTA */
.hero-right { padding-bottom: 14px; padding-left: 28px; border-left: 1px dashed rgba(120,180,255,.18); }
@media (max-width: 980px) { .hero-right { padding-left: 0; border-left: none; } }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 600;
  border: 1px solid var(--line-strong); background: var(--grad-soft); color: var(--cyan);
  margin-bottom: 20px;
  box-shadow: inset 0 0 18px rgba(45,226,255,.08);
}
.hero-tag .tag-ic { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.hero-sub { font-size: clamp(15px, 1.6vw, 18px); color: var(--txt-dim); margin-bottom: 28px; line-height: 1.7; max-width: 480px; text-wrap: balance; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-cta .btn { display: inline-flex; align-items: center; gap: 8px; }

/* 业务域分屏卡 */
.hero-domains { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 720px) { .hero-domains { grid-template-columns: 1fr; } }
.hero-domains .domain-card {
  position: relative; padding: 20px 22px; border-radius: 16px;
  background: linear-gradient(180deg, rgba(13,22,40,.65), rgba(8,14,28,.45));
  border: 1px solid var(--line);
  overflow: hidden; transition: transform .4s ease, border-color .4s ease, box-shadow .4s ease;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.hero-domains .domain-card:hover { transform: translateY(-4px); border-color: rgba(45,226,255,.4); box-shadow: 0 14px 38px rgba(45,226,255,.08), 0 4px 14px rgba(0,0,0,.4); }
.hero-domains .domain-card:hover::after { transform: scaleX(1); }
.hero-domains .domain-card::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  transform: scaleX(0); transform-origin: left; transition: transform .5s ease;
}
.hero-domains .domain-card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 80% at 100% 0%, rgba(45,226,255,.12), transparent 60%);
}
.hero-domains .domain-card .dc-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.hero-domains .domain-card .dc-ic {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(45,226,255,.18), rgba(139,92,255,.18));
  border: 1px solid rgba(120,180,255,.25); color: var(--cyan);
}
.hero-domains .domain-card .dc-ic svg { width: 20px; height: 20px; }
.hero-domains .domain-card .dc-status { display: inline-flex; align-items: center; gap: 6px; font-size: 10px; color: rgba(180,200,230,.6); letter-spacing: 1px; font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; }
.hero-domains .domain-card .dc-status .dot { width: 5px; height: 5px; border-radius: 50%; background: #2de2ff; box-shadow: 0 0 6px #2de2ff; }
.hero-domains .domain-card .dc-name { font-size: 18px; font-weight: 800; color: var(--txt); letter-spacing: 1px; margin-bottom: 10px; }
.hero-domains .domain-card .dc-desc { font-size: 12.5px; color: var(--txt-dim); line-height: 1.6; }
.hero-domains .domain-card .dc-bar { display: flex; gap: 2px; margin-top: 14px; }
.hero-domains .domain-card .dc-bar i { flex: 1; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--cyan), transparent); opacity: .35; }
.hero-domains .domain-card .dc-bar i.on { opacity: 1; }
.hero-domains .domain-card .dc-bar i:nth-child(1) { animation: barshift 2.4s infinite; }
.hero-domains .domain-card .dc-bar i:nth-child(2) { animation: barshift 2.4s .2s infinite; }
.hero-domains .domain-card .dc-bar i:nth-child(3) { animation: barshift 2.4s .4s infinite; }
.hero-domains .domain-card .dc-bar i:nth-child(4) { animation: barshift 2.4s .6s infinite; }
.hero-domains .domain-card .dc-bar i:nth-child(5) { animation: barshift 2.4s .8s infinite; }
.hero-domains .domain-card .dc-bar i:nth-child(6) { animation: barshift 2.4s 1s infinite; }
.hero-domains .domain-card .dc-bar i:nth-child(7) { animation: barshift 2.4s 1.2s infinite; }
.hero-domains .domain-card .dc-bar i:nth-child(8) { animation: barshift 2.4s 1.4s infinite; }
@keyframes barshift { 0%, 100% { opacity: .2; } 50% { opacity: 1; } }

.scroll-indicator { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); width: 24px; height: 40px; border: 2px solid var(--line-strong); border-radius: 14px; z-index: 3; }
.scroll-indicator span { position: absolute; top: 8px; left: 50%; transform: translateX(-50%); width: 4px; height: 8px; border-radius: 4px; background: var(--cyan); animation: scrolldot 1.6s infinite; }
@keyframes scrolldot { 0% { opacity: 0; top: 8px; } 40% { opacity: 1; } 80% { opacity: 0; top: 22px; } 100% { opacity: 0; } }

/* ============ 区块通用 ============ */
.section { padding: 96px 0; }
.section-alt { background: linear-gradient(180deg, rgba(10,14,28,.4), rgba(5,7,15,.4)); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.kicker { display: inline-block; font-size: 12px; letter-spacing: 3px; color: var(--cyan); font-weight: 700; margin-bottom: 14px; }
.section-head h2 { font-size: clamp(28px, 4.5vw, 42px); font-weight: 800; margin-bottom: 16px; }
.section-head p { color: var(--txt-dim); font-size: 16px; }

/* ============ 卡片 ============ */
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; backdrop-filter: blur(10px); transition: all .3s; position: relative; overflow: hidden;
}
.card::before { content: ""; position: absolute; inset: 0; background: var(--grad-soft); opacity: 0; transition: opacity .3s; pointer-events: none; }
.card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: 0 18px 50px rgba(0,0,0,.4); }
.card:hover::before { opacity: 1; }
.card-icon { font-size: 28px; margin-bottom: 14px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--txt-dim); font-size: 14.5px; }
.big-text { font-size: 20px; font-weight: 700; color: var(--txt); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ============ 关于我们 ============ */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 56px; }
.stat { text-align: center; padding: 28px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); backdrop-filter: blur(8px); }
.stat .num { font-size: 40px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .lbl { color: var(--txt-dim); font-size: 14px; margin-top: 6px; }
.about-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.vision-card { grid-column: span 2; }

/* ============ 四大方向 ============ */
.dir-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.dir-card { padding: 30px 22px; text-align: center; }
.dir-num { font-size: 13px; color: var(--cyan); font-weight: 700; letter-spacing: 2px; }
.dir-card .ic { font-size: 34px; margin: 14px 0; }
.dir-card h3 { font-size: 18px; margin-bottom: 10px; }
.dir-card p { font-size: 14px; color: var(--txt-dim); }

/* ============ 产品中心 ============ */
.product-tabs { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 36px; }
.ptab { padding: 10px 20px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); color: var(--txt-dim); cursor: pointer; font-size: 14px; font-weight: 600; transition: all .25s; }
.ptab.active { color: #04111f; background: var(--grad); border-color: transparent; box-shadow: var(--glow-cyan); }
.product-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.pp-main { grid-column: span 2; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pp-head { grid-column: span 2; }
.pp-head .tag { display: inline-block; font-size: 12px; color: var(--cyan); border: 1px solid var(--line-strong); padding: 4px 12px; border-radius: 999px; margin-bottom: 12px; }
.pp-head h3 { font-size: 30px; font-weight: 800; }
.pp-head .en { color: var(--txt-mute); font-size: 14px; letter-spacing: 1px; }
.pp-head .tl { font-size: 18px; margin-top: 6px; font-weight: 600; }
.pp-summary { grid-column: span 2; color: var(--txt-dim); font-size: 15.5px; line-height: 1.9; }
.pp-col h4 { font-size: 15px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.pp-col h4 .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--grad); }
.pp-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.pp-col li { font-size: 14px; color: var(--txt-dim); padding-left: 22px; position: relative; line-height: 1.6; }
.pp-col li::before { content: "▹"; position: absolute; left: 0; color: var(--cyan); }
.pp-col.pain li::before { content: "!"; color: #ff6b8b; }
.pp-col.gain li::before { content: "✓"; color: #38e8a0; }
.pp-cols { grid-column: span 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 8px; }
.pp-cover { grid-column: 1 / -1; height: 200px; border-radius: 12px; background-size: cover; background-position: center; margin-bottom: 8px; box-shadow: inset 0 0 0 1px var(--line); }
@media (max-width: 860px) { .pp-cols { grid-template-columns: 1fr; } }

/* ============ 解决方案 ============ */
.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.sol-card { padding: 28px 22px; text-align: center; }
.sol-card .ic { font-size: 32px; margin-bottom: 12px; }
.sol-card h3 { font-size: 18px; margin-bottom: 10px; }
.sol-card p { font-size: 13.5px; color: var(--txt-dim); }

/* ============ 案例 ============ */
.case-filter { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px; }
.cfbtn { padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--txt-dim); cursor: pointer; font-size: 13px; transition: all .2s; }
.cfbtn.active, .cfbtn:hover { color: var(--cyan); border-color: var(--cyan); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); backdrop-filter: blur(8px); display: flex; flex-direction: column; transition: all .3s; }
.case-card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: 0 18px 50px rgba(0,0,0,.4); }
.case-thumb { height: 160px; display: grid; place-items: center; font-size: 46px; background: var(--grad-soft); position: relative; background-size: cover; background-position: center; }
.case-thumb::after { display: none; }
.case-thumb.has-cover::after { display: block; content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,7,15,.2), rgba(5,7,15,.62)); }
.case-thumb > * { position: relative; z-index: 1; }
.case-thumb .cat { position: absolute; top: 12px; left: 12px; font-size: 11px; padding: 4px 10px; border-radius: 999px; background: rgba(5,7,15,.6); border: 1px solid var(--line); color: var(--cyan); }
.case-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: 17px; margin-bottom: 8px; line-height: 1.4; }
.case-body .client { font-size: 12px; color: var(--cyan); margin-bottom: 10px; }
.case-body p { color: var(--txt-dim); font-size: 13.5px; flex: 1; }
.case-body .results { margin-top: 12px; list-style: none; display: flex; flex-direction: column; gap: 6px; }
.case-body .results li { font-size: 12.5px; color: var(--txt-dim); padding-left: 18px; position: relative; }
.case-body .results li::before { content: "✓"; position: absolute; left: 0; color: #38e8a0; }

/* ============ 团队 ============ */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.team-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; background: var(--panel); backdrop-filter: blur(8px); text-align: center; transition: all .3s; }
.team-card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--glow-purple); }
.avatar { width: 108px; height: 108px; border-radius: 50%; margin: 0 auto 18px; display: grid; place-items: center; font-size: 42px; font-weight: 800; color: #04111f; background: var(--grad); box-shadow: var(--glow-cyan); }
.avatar-img { width: 108px; height: 108px; border-radius: 50%; margin: 0 auto 18px; object-fit: cover; box-shadow: var(--glow-cyan); border: 2px solid rgba(45,226,255,.4); }
.team-card h3 { font-size: 20px; }
.team-card .role-title { color: var(--cyan); font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.team-card .roles { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 14px; }
.team-card .roles span { font-size: 11px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--txt-dim); }
.team-card .bio { font-size: 13.5px; color: var(--txt-dim); text-align: left; line-height: 1.8; }

/* ============ 资讯 ============ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: var(--panel); backdrop-filter: blur(8px); transition: all .3s; display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-5px); border-color: var(--line-strong); box-shadow: var(--glow-cyan); }
.news-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--txt-mute); margin-bottom: 12px; }
.news-meta .cat { color: var(--cyan); }
.news-card h3 { font-size: 17px; line-height: 1.5; margin-bottom: 10px; }
.news-card p { color: var(--txt-dim); font-size: 13.5px; flex: 1; }
.news-card .src { font-size: 12px; color: var(--txt-mute); margin-top: 14px; }

/* ============ 未来展望 ============ */
.prospect-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 60px; }
.prospect-card { padding: 26px 20px; text-align: center; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.prospect-card .ic { font-size: 30px; margin-bottom: 12px; }
.prospect-card h3 { font-size: 17px; margin-bottom: 8px; }
.prospect-card p { font-size: 13.5px; color: var(--txt-dim); }
.market-block, .plans-block { margin-top: 56px; }
.market-block h3, .plans-block h3 { text-align: center; font-size: 26px; margin-bottom: 32px; }
.market-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.market-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: var(--panel); position: relative; }
.market-card .no { font-size: 40px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; opacity: .8; }
.market-card h4 { font-size: 19px; margin: 8px 0 10px; }
.market-card p { color: var(--txt-dim); font-size: 14px; }
.plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.plan-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: var(--panel); border-top: 3px solid transparent; }
.plan-card:nth-child(1) { border-top-color: var(--cyan); }
.plan-card:nth-child(2) { border-top-color: var(--purple); }
.plan-card:nth-child(3) { border-top-color: #ff5ec7; }
.plan-card .stage { font-size: 13px; color: var(--cyan); font-weight: 700; }
.plan-card .period { float: right; font-size: 12px; color: var(--txt-mute); border: 1px solid var(--line); padding: 2px 10px; border-radius: 999px; }
.plan-card h4 { font-size: 19px; margin: 14px 0 10px; }
.plan-card p { color: var(--txt-dim); font-size: 14px; }

/* ============ 联系（精简：仅留言表单） ============ */
.contact-mini { padding-bottom: 80px; }
.contact-mini .contact-form { max-width: 720px; margin: 28px auto 0; }
.contact-form { display: flex; flex-direction: column; gap: 14px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 13px 16px; border-radius: 10px; border: 1px solid var(--line);
  background: rgba(5,7,15,.5); color: var(--txt); font-size: 14px; font-family: inherit; transition: border-color .2s;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--cyan); }
.contact-form textarea { resize: vertical; }
.form-tip { font-size: 13px; color: #38e8a0; min-height: 18px; text-align: center; }

/* ============ 社交媒体板块（bottom） ============ */
.social-section { position: relative; padding: 80px 0 96px; }
.social-section::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 30%, rgba(139,92,255,.08), transparent 60%), radial-gradient(circle at 15% 90%, rgba(45,226,255,.07), transparent 60%); pointer-events: none; }
.social-section .container { position: relative; z-index: 2; }
.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  max-width: 1080px;
  margin: 36px auto 28px;
}
.social-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
  text-decoration: none;
  color: var(--txt);
  transition: transform .25s ease, border-color .25s, box-shadow .25s, background .25s;
  overflow: hidden;
  isolation: isolate;
}
.social-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, transparent 40%, rgba(45,226,255,.12) 50%, transparent 60%); transform: translateX(-110%); transition: transform .9s ease; pointer-events: none; z-index: 0; }
.social-card:hover { transform: translateY(-4px); border-color: rgba(45,226,255,.45); box-shadow: 0 12px 36px rgba(45,226,255,.1), 0 4px 14px rgba(0,0,0,.4); }
.social-card:hover::after { transform: translateX(110%); }
.social-card .sc-logo {
  flex: 0 0 56px;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
  background: var(--grad);
  box-shadow: 0 4px 14px rgba(45,226,255,.25);
  overflow: hidden;
  z-index: 1;
  text-shadow: 0 1px 3px rgba(0,0,0,.35);
}
.social-card .sc-logo > span { font-size: 30px; line-height: 1; font-weight: 800; }
.social-card .sc-logo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.social-card .sc-text { flex: 1; min-width: 0; z-index: 1; }
.social-card .sc-name { font-size: 17px; font-weight: 700; color: var(--txt); margin-bottom: 2px; display: flex; align-items: center; gap: 8px; }
.social-card .sc-name .sc-arrow { color: var(--cyan); font-size: 13px; opacity: 0; transform: translateX(-4px); transition: opacity .2s, transform .2s; }
.social-card:hover .sc-name .sc-arrow { opacity: 1; transform: translateX(0); }
.social-card .sc-platform { font-size: 12px; color: var(--cyan); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px; }
.social-card .sc-desc { font-size: 13px; color: var(--txt-dim); line-height: 1.5; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.social-cta { display: flex; justify-content: center; margin-top: 20px; }

/* 平台品牌色（card 左上角渐变） */
.social-card[data-platform="抖音"] .sc-logo { background: linear-gradient(135deg,#000,#25f4ee 60%,#fe2c55); }
.social-card[data-platform="视频号"] .sc-logo,
.social-card[data-platform="微信公众号"] .sc-logo,
.social-card[data-platform="微信"] .sc-logo { background: linear-gradient(135deg,#07c160,#1aad19); }
.social-card[data-platform="小红书"] .sc-logo { background: linear-gradient(135deg,#ff2442,#ff7a45); }
.social-card[data-platform="B站"] .sc-logo,
.social-card[data-platform="哔哩哔哩"] .sc-logo { background: linear-gradient(135deg,#00aeec,#fb7299); }
.social-card[data-platform="知乎"] .sc-logo { background: linear-gradient(135deg,#0066ff,#3eb6f0); }
.social-card[data-platform="微博"] .sc-logo { background: linear-gradient(135deg,#ff9933,#e6162d); }
.social-card[data-platform="X"] .sc-logo,
.social-card[data-platform="Twitter"] .sc-logo { background: linear-gradient(135deg,#000,#444); }
.social-card[data-platform="YouTube"] .sc-logo { background: linear-gradient(135deg,#ff0000,#c4302b); }
.social-card[data-platform="快手"] .sc-logo { background: linear-gradient(135deg,#ff4906,#ff7c1c); }
.social-card[data-platform="西瓜视频"] .sc-logo { background: linear-gradient(135deg,#ff6633,#ff944d); }

/* footer 社交条 */
.footer-social-mini { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.footer-social-mini a {
  display: grid; place-items: center;
  width: 36px; height: 36px; border-radius: 10px;
  border: 1px solid var(--line); background: rgba(255,255,255,.04);
  color: var(--txt); text-decoration: none; font-size: 14px; font-weight: 800;
  transition: transform .2s, border-color .2s, color .2s, background .2s;
  overflow: hidden;
}
.footer-social-mini a img { width: 100%; height: 100%; object-fit: cover; }
.footer-social-mini a span { color: #fff; font-size: 14px; }
.footer-social-mini a:hover { transform: translateY(-2px); border-color: var(--cyan); color: var(--cyan); background: rgba(255,255,255,.06); }
/* 平台品牌色（footer mini 标识） */
.footer-social-mini a[data-platform="抖音"] { border-color: rgba(254,44,85,.45); background: linear-gradient(135deg,#000,#25f4ee 60%,#fe2c55); }
.footer-social-mini a[data-platform="视频号"],
.footer-social-mini a[data-platform="微信公众号"],
.footer-social-mini a[data-platform="微信"] { border-color: rgba(7,193,96,.45); background: linear-gradient(135deg,#07c160,#1aad19); }
.footer-social-mini a[data-platform="小红书"] { border-color: rgba(255,36,66,.45); background: linear-gradient(135deg,#ff2442,#ff7a45); }
.footer-social-mini a[data-platform="B站"],
.footer-social-mini a[data-platform="哔哩哔哩"] { border-color: rgba(251,114,153,.45); background: linear-gradient(135deg,#00aeec,#fb7299); }
.footer-social-mini a[data-platform="知乎"] { border-color: rgba(62,182,240,.45); background: linear-gradient(135deg,#0066ff,#3eb6f0); }
.footer-social-mini a[data-platform="微博"] { border-color: rgba(230,22,45,.45); background: linear-gradient(135deg,#ff9933,#e6162d); }

/* ============ 页脚 ============ */
.footer { border-top: 1px solid var(--line); padding: 60px 0 24px; background: linear-gradient(180deg, transparent, rgba(139,92,255,.05)); }
.footer-inner { display: grid; grid-template-columns: 1.2fr 2fr; gap: 40px; }
.footer-brand p { color: var(--txt-dim); font-size: 14px; margin-top: 14px; max-width: 320px; }
.footer-vals { color: var(--cyan) !important; font-weight: 600; margin-top: 8px !important; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.footer-cols h4 { font-size: 15px; margin-bottom: 14px; color: var(--txt); }
.footer-cols span { display: block; color: var(--txt-dim); font-size: 13.5px; margin-bottom: 8px; }
.footer-cols p { color: var(--txt-dim); font-size: 13.5px; margin-bottom: 8px; }
.footer-bottom { max-width: var(--maxw); margin: 40px auto 0; padding: 20px 24px 0; border-top: 1px solid var(--line); font-size: 13px; color: var(--txt-mute); display: flex; flex-direction: column; gap: 14px; }
.footer-bottom a { color: var(--cyan); }
.footer-bottom .bottom-line { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-bottom .friend-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; line-height: 1.9; }
.footer-bottom .friend-links .fl-label { color: var(--txt-dim); }
.footer-bottom .friend-links .fl-list { display: flex; flex-wrap: wrap; gap: 4px 14px; }
.footer-bottom .friend-links .fl-list a { color: var(--txt); transition: color .2s; }
.footer-bottom .friend-links .fl-list a:hover { color: var(--cyan); }
.footer-bottom .friend-links .fl-list .sep { color: var(--txt-mute); opacity: .5; }
.footer-bottom .admin-door {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--txt-mute); text-decoration: none;
  font-family: "JetBrains Mono", Consolas, monospace; font-size: 12px;
  letter-spacing: 1.5px; opacity: .45;
  padding: 4px 10px; border-radius: 6px;
  border: 1px solid transparent; transition: all .25s ease;
  user-select: none;
}
.footer-bottom .admin-door .door-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 8px var(--cyan);
}
.footer-bottom .admin-door:hover {
  opacity: 1; color: var(--cyan);
  border-color: rgba(45,226,255,.35);
  background: rgba(45,226,255,.08);
  box-shadow: 0 0 18px rgba(45,226,255,.15);
}

/* ============ 详情弹窗 ============ */
.modal-mask { position: fixed; inset: 0; z-index: 80; background: rgba(3,5,12,.72); backdrop-filter: blur(6px); display: grid; place-items: center; padding: 24px; }
.detail-card { width: 720px; max-width: 94vw; max-height: 88vh; overflow-y: auto; background: var(--panel-solid); border: 1px solid var(--line-strong); border-radius: 16px; position: relative; box-shadow: 0 30px 80px rgba(0,0,0,.6); }
.detail-close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); background: rgba(5,7,15,.6); color: var(--txt); cursor: pointer; font-size: 16px; z-index: 2; transition: .2s; }
.detail-close:hover { color: var(--cyan); border-color: var(--cyan); }
.detail-cover { height: 280px; background-size: cover; background-position: center; display: grid; place-items: center; font-size: 64px; border-radius: 16px 16px 0 0; }
.detail-content { padding: 28px 30px 34px; }
.detail-meta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; color: var(--txt-mute); font-size: 13px; margin-bottom: 14px; }
.detail-meta .tag { color: var(--cyan); border: 1px solid rgba(45,226,255,.25); background: rgba(45,226,255,.1); padding: 3px 10px; border-radius: 999px; }
.detail-content h2 { font-size: 26px; margin-bottom: 14px; line-height: 1.4; }
.detail-sum { color: var(--txt-dim); font-size: 15.5px; line-height: 1.9; }
.detail-content h4 { margin: 22px 0 12px; font-size: 15px; color: var(--cyan); }
.detail-results { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.detail-results li { font-size: 14px; color: var(--txt-dim); padding-left: 22px; position: relative; line-height: 1.6; }
.detail-results li::before { content: "✓"; position: absolute; left: 0; color: #38e8a0; }
.case-card, .news-card { cursor: pointer; }
.news-card .news-badge {
  display: inline-flex; align-items: center;
  font-size: 11px; padding: 1px 8px; border-radius: 999px;
  color: var(--cyan); border: 1px solid rgba(45,226,255,.3);
  background: rgba(45,226,255,.08);
}
.detail-link-btn {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 22px; padding: 11px 22px; border-radius: 999px;
  background: var(--grad); color: #04111f; font-weight: 700; font-size: 14.5px;
  border: none; cursor: pointer; transition: all .25s;
  box-shadow: 0 6px 20px rgba(45,226,255,.25);
}
.detail-link-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(45,226,255,.4); }

/* ============ Logo 管理（后台） ============ */
.logo-current {
  display: flex; justify-content: center; align-items: center;
  padding: 30px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(45,226,255,.05), rgba(139,92,255,.05));
  border: 1px dashed rgba(120,180,255,.25);
  margin-bottom: 8px;
}
.logo-current img {
  max-width: 220px; max-height: 220px;
  width: auto; height: auto;
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--glow-cyan);
}

/* ============ 动画 ============ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.show { opacity: 1; transform: none; }

/* ============ 响应式 ============ */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open { display: flex; position: absolute; top: var(--nav-h); left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(5,7,15,.97); padding: 10px 24px; border-bottom: 1px solid var(--line); }
  .nav-links.open a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .stats-grid, .dir-grid, .sol-grid, .prospect-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid, .team-grid, .news-grid, .market-grid, .plans-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .vision-card { grid-column: auto; }
  .product-panel, .pp-main { grid-template-columns: 1fr; }
  .pp-main .pp-head, .pp-summary { grid-column: auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .stats-grid, .dir-grid, .sol-grid, .prospect-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
}