/* ============================================================
   元界启明官网样式 - 深色科技风 / 蓝紫渐变 / 响应式
   ============================================================ */
:root {
  --bg: #070b16;
  --bg-alt: #0a1020;
  --card: rgba(255, 255, 255, .045);
  --card-hover: rgba(255, 255, 255, .07);
  --border: rgba(255, 255, 255, .09);
  --border-hl: rgba(99, 102, 241, .45);
  --text: #e8ecf6;
  --muted: #9aa5bd;
  --blue: #3b82f6;
  --sky: #38bdf8;
  --indigo: #6366f1;
  --purple: #a855f7;
  --cyan: #22d3ee;
  --grad: linear-gradient(135deg, #38bdf8, #6366f1 55%, #a855f7);
  --radius: 16px;
  --nav-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
strong { color: #fff; }

.container { width: min(1720px, 95%); margin: 0 auto; }

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

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; transition: transform .25s ease; }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 28px rgba(99, 102, 241, .35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(99, 102, 241, .5);
}
.btn-primary:hover svg { transform: translateX(3px); }
.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, .03);
}
.btn-ghost:hover { border-color: var(--border-hl); background: rgba(99, 102, 241, .12); }
.btn-sm { padding: 9px 22px; font-size: 14px; }

/* ---------------- 徽章 chip ---------------- */
.chip {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .04);
  color: var(--muted);
  font-size: 13px;
  transition: all .25s ease;
}
.chip-lg { padding: 8px 18px; font-size: 14px; color: var(--text); }
.chip-sm { padding: 3px 10px; font-size: 12px; }
.chip-hl {
  border-color: rgba(99, 102, 241, .5);
  background: rgba(99, 102, 241, .15);
  color: #b9c6ff;
}

/* ============================================================
   导航栏
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 11, 22, .82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .35);
}
.nav-inner { display: flex; align-items: center; height: var(--nav-h); gap: 24px; }

.brand { display: flex; align-items: center; gap: 11px; }
.brand-logo { width: 40px; height: 40px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 18px; font-weight: 800; letter-spacing: 1px; }
.brand-sub { font-size: 10px; letter-spacing: 2.5px; color: var(--muted); }

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14.5px;
  color: var(--muted);
  transition: all .2s ease;
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, .06); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 9px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: all .25s ease;
}
.nav.open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 64px) 0 72px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .5;
  animation: drift 14s ease-in-out infinite alternate;
}
.orb-a { width: 480px; height: 480px; top: -140px; left: -100px; background: rgba(59, 130, 246, .35); }
.orb-b { width: 520px; height: 520px; top: 40px; right: -160px; background: rgba(168, 85, 247, .3); animation-delay: -6s; }
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(40px, 30px) scale(1.12); }
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, .05) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000 30%, transparent 75%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
  gap: 40px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, .35);
  background: rgba(56, 189, 248, .1);
  color: #8fd8f8;
  font-size: 13.5px;
  margin-bottom: 26px;
}
.hero-badge svg { width: 15px; height: 15px; }
.hero-title {
  font-size: clamp(38px, 5.4vw, 62px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 2px;
  background: linear-gradient(120deg, #fff 20%, #a5b8ff 50%, #d8b4fe 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-title .dot { color: var(--indigo); -webkit-text-fill-color: var(--indigo); }
.hero-name { margin-top: 18px; font-size: 19px; font-weight: 700; color: #cdd7ee; letter-spacing: 3px; }
.hero-desc {
  margin-top: 16px;
  max-width: 540px;
  color: var(--muted);
  font-size: 16px;
}
.hero-desc em {
  font-style: normal;
  color: #b9c6ff;
  font-weight: 600;
}
.hero-actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }

/* hero 视觉区 */
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-orbits { width: min(480px, 100%); height: auto; animation: spin 60s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(13, 19, 36, .8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .4);
  animation: floatY 5s ease-in-out infinite;
}
.float-card strong { display: block; font-size: 14.5px; }
.float-card small { color: var(--muted); font-size: 12px; }
.fc-icon {
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  font-size: 20px;
  border-radius: 11px;
  background: rgba(99, 102, 241, .18);
  border: 1px solid rgba(99, 102, 241, .35);
}
.fc-1 { top: 12%; left: 2%; }
.fc-2 { bottom: 16%; right: 0; animation-delay: -1.6s; }
.fc-3 { bottom: -4%; left: 12%; animation-delay: -3.2s; }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* 数据亮点条 */
.stats {
  margin-top: 76px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 30px 22px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .02));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.stat { text-align: center; }
.stat-num {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
}
.stat-num .unit { font-size: .55em; font-weight: 700; margin-left: 2px; }
.stat-label { margin-top: 4px; font-size: 13.5px; color: var(--muted); }

/* ============================================================
   Section 通用
   ============================================================ */
.section { padding: 100px 0; }
.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: #8fa7ff;
  border: 1px solid rgba(99, 102, 241, .4);
  background: rgba(99, 102, 241, .12);
  margin-bottom: 18px;
}
.section-title { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; letter-spacing: 1px; }
.title-thin { font-size: .62em; font-weight: 600; color: var(--muted); letter-spacing: .5px; }
.section-desc { margin-top: 12px; color: var(--muted); font-size: 16px; }

/* ============================================================
   关于我们
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 32px;
  align-items: start;
}
.about-lead { font-size: 18px; color: #dbe3f5; }
.about-text { margin-top: 16px; color: var(--muted); }
.about-lines { margin-top: 28px; display: grid; gap: 16px; }
.line-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  transition: all .25s ease;
}
.line-card:hover { border-color: var(--border-hl); background: var(--card-hover); transform: translateY(-3px); }
.line-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(99, 102, 241, .16);
  border: 1px solid rgba(99, 102, 241, .35);
}
.line-icon svg { width: 22px; height: 22px; color: #93a7ff; }
.line-card h4 { font-size: 16px; margin-bottom: 4px; }
.line-card p { font-size: 14px; color: var(--muted); }

.mvv { display: grid; gap: 16px; }
.mvv-card {
  padding: 26px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  position: relative;
  overflow: hidden;
  transition: transform .25s ease;
}
.mvv-card:hover { transform: translateY(-3px); }
.mvv-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
}
.mvv-card.mission::before { background: linear-gradient(#38bdf8, #6366f1); }
.mvv-card.vision::before { background: linear-gradient(#6366f1, #a855f7); }
.mvv-card.product-vision::before { background: linear-gradient(#a855f7, #f472b6); }
.mvv-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 10px;
}
.mvv-card p { font-size: 16.5px; font-weight: 600; color: #e6ebf8; line-height: 1.75; }

/* ============================================================
   资质荣誉
   ============================================================ */
.honor-card {
  display: flex;
  align-items: center;
  gap: 48px;
  padding: 48px 52px;
  border-radius: 24px;
  border: 1px solid rgba(99, 102, 241, .35);
  background:
    radial-gradient(600px 300px at 12% 0%, rgba(99, 102, 241, .16), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .02));
  box-shadow: 0 24px 64px rgba(0, 0, 0, .35);
}
.honor-medal { flex-shrink: 0; width: 168px; height: 168px; }
.honor-medal svg { width: 100%; height: 100%; animation: pulseGlow 4s ease-in-out infinite; }
@keyframes pulseGlow {
  0%, 100% { filter: drop-shadow(0 0 10px rgba(99, 102, 241, .4)); }
  50% { filter: drop-shadow(0 0 26px rgba(168, 85, 247, .6)); }
}
.honor-body h3 { font-size: clamp(21px, 2.4vw, 27px); font-weight: 800; margin-bottom: 14px; }
.honor-body p { color: var(--muted); max-width: 640px; }
.honor-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* ============================================================
   融资实力
   ============================================================ */
.funding-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 32px;
  align-items: stretch;
}
.funding-main, .funding-logos {
  padding: 36px 38px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
}
.funding-amount { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.fa-num {
  font-size: clamp(56px, 6vw, 76px);
  font-weight: 900;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.fa-unit { font-size: 22px; font-weight: 700; color: #c3cdf0; }
.fa-round {
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: #8fd8f8;
  border: 1px solid rgba(56, 189, 248, .4);
  background: rgba(56, 189, 248, .1);
}
.funding-main h3 { margin: 16px 0 10px; font-size: 21px; font-weight: 800; }
.funding-main > p { color: var(--muted); }
.funding-uses {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.funding-uses li {
  position: relative;
  padding-left: 26px;
  color: #dbe3f5;
  font-size: 15px;
}
.funding-uses li::before {
  content: "◆";
  position: absolute;
  left: 2px;
  color: var(--indigo);
  font-size: 12px;
  top: 3px;
}
.fl-title { font-size: 14px; color: var(--muted); margin-bottom: 18px; letter-spacing: 1px; }
.logo-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.masked-logo {
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px dashed rgba(148, 163, 184, .35);
  background: repeating-linear-gradient(45deg, rgba(148, 163, 184, .05) 0 8px, rgba(148, 163, 184, .1) 8px 16px);
  filter: grayscale(1);
  opacity: .75;
}
.masked-logo span { font-size: 17px; font-weight: 800; color: #7c8aa5; letter-spacing: 4px; }
.fl-note { margin-top: 16px; font-size: 12.5px; color: #6b7690; }

/* ============================================================
   产品一：港事宝
   ============================================================ */
.gsb-intro {
  max-width: 900px;
  margin: 0 auto 48px;
  text-align: center;
  color: var(--muted);
  font-size: 16px;
}
.gsb-body {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 36px;
  align-items: start;
}

/* 浏览器 mockup */
.browser {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0d1326;
  box-shadow: 0 28px 72px rgba(0, 0, 0, .5);
  transform: perspective(1400px) rotateY(4deg) rotateX(1.5deg);
  transition: transform .4s ease;
}
.browser:hover { transform: perspective(1400px) rotateY(0) rotateX(0); }
.browser-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  background: #131a30;
  border-bottom: 1px solid var(--border);
}
.bd { width: 10px; height: 10px; border-radius: 50%; background: #3a4560; }
.bd:nth-child(1) { background: #ef6b6b; }
.bd:nth-child(2) { background: #f2c14e; }
.bd:nth-child(3) { background: #5fce85; }
.browser-url {
  margin-left: 12px;
  flex: 1;
  padding: 5px 14px;
  border-radius: 7px;
  background: rgba(255, 255, 255, .06);
  color: var(--muted);
  font-size: 12px;
}
.shot-img { width: 100%; display: block; }
.shot-img + .shot-img { border-top: 2px solid rgba(255, 255, 255, .08); }
.shot-note { margin-top: 14px; text-align: center; font-size: 12.5px; color: #6b7690; }

/* 功能/痛点 */
.gsb-info { display: grid; gap: 26px; }
.info-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 18px;
}
.it-bar { width: 5px; height: 20px; border-radius: 3px; background: var(--grad); }
.fn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fn-item {
  padding: 18px 20px;
  border-radius: 13px;
  border: 1px solid var(--border);
  background: var(--card);
  transition: all .25s ease;
}
.fn-item:hover { border-color: var(--border-hl); transform: translateY(-3px); background: var(--card-hover); }
.fn-icon { font-size: 24px; }
.fn-item h5 { margin: 8px 0 5px; font-size: 15.5px; }
.fn-item p { font-size: 13px; color: var(--muted); line-height: 1.65; }
.pain-list { display: grid; gap: 11px; }
.pain-list li {
  position: relative;
  padding-left: 28px;
  color: #c6cfdf;
  font-size: 14.5px;
}
.pain-list li::before {
  content: "!";
  position: absolute;
  left: 0; top: 3px;
  width: 18px; height: 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, .45);
  background: rgba(251, 191, 36, .12);
}

/* 成果数据 */
.gsb-metrics {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 30px 22px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .02));
}
.metric { text-align: center; display: grid; gap: 4px; }
.metric-val { font-size: clamp(22px, 2.4vw, 30px); font-weight: 900; color: #fff; }
.metric-label { font-size: 13.5px; color: var(--muted); }

/* ============================================================
   产品二：大模型
   ============================================================ */
.llm-body {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 40px;
  align-items: center;
}
.cap-tags { display: flex; flex-wrap: wrap; gap: 11px; margin: 24px 0; }
.llm-info .pain-list { margin-top: 6px; }

.chat-window {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0d1326;
  box-shadow: 0 28px 72px rgba(0, 0, 0, .5);
}
.chat-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 13px 18px;
  background: #131a30;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
  color: var(--muted);
}
.chat-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 10px rgba(52, 211, 153, .8);
  animation: blink 2s infinite;
}
@keyframes blink { 50% { opacity: .35; } }
.chat-body { padding: 22px 20px; display: grid; gap: 14px; }
.msg { max-width: 86%; display: flex; gap: 10px; align-items: flex-start; }
.msg span:last-child { font-size: 13.5px; line-height: 1.7; }
.msg.user { justify-self: end; }
.msg.user span {
  padding: 10px 15px;
  border-radius: 13px 13px 3px 13px;
  background: rgba(99, 102, 241, .28);
  border: 1px solid rgba(99, 102, 241, .4);
  color: #dbe3f8;
}
.msg.ai { justify-self: start; }
.ai-badge {
  flex-shrink: 0;
  width: 30px; height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  font-size: 11px;
  font-weight: 800;
  color: #fff;
  background: var(--grad);
}
.msg.ai span:last-child {
  padding: 10px 15px;
  border-radius: 13px 13px 13px 3px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--border);
  color: #c6cfdf;
}
.tdots { display: inline-flex; gap: 5px; align-items: center; padding: 14px 15px !important; }
.tdots i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #8fa3d9;
  animation: bounce 1.2s infinite;
}
.tdots i:nth-child(2) { animation-delay: .15s; }
.tdots i:nth-child(3) { animation-delay: .3s; }
@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: .45; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* ============================================================
   技术能力
   ============================================================ */
.tech-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-bottom: 40px;
}
.tech-col {
  padding: 30px 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
}
.tech-col-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 18px;
}
.tech-col-title svg { width: 20px; height: 20px; color: #93a7ff; }
.tech-col-title.mt { margin-top: 26px; }
.tech-list { display: grid; gap: 12px; }
.tech-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-radius: 11px;
  background: rgba(255, 255, 255, .035);
  border: 1px solid var(--border);
  font-size: 14.5px;
  color: #dbe3f5;
  transition: all .25s ease;
}
.tech-list li:hover { border-color: var(--border-hl); }
.tech-list li::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 3px;
  background: var(--grad);
  flex-shrink: 0;
}
.compute-card {
  display: flex;
  gap: 15px;
  align-items: flex-start;
  padding: 18px 20px;
  border-radius: 13px;
  border: 1px solid rgba(56, 189, 248, .3);
  background: rgba(56, 189, 248, .07);
}
.compute-icon { font-size: 26px; }
.compute-card p { font-size: 14px; color: #c6cfdf; }
.team-mix { display: flex; flex-wrap: wrap; gap: 10px; }

.svc-head { margin-bottom: 20px; }
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.svc-card {
  padding: 26px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  transition: all .25s ease;
}
.svc-card:hover {
  border-color: var(--border-hl);
  background: var(--card-hover);
  transform: translateY(-5px);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .35);
}
.svc-icon { font-size: 30px; display: inline-block; margin-bottom: 14px; }
.svc-card h5 { font-size: 15.5px; line-height: 1.55; margin-bottom: 9px; }
.svc-card p { font-size: 13px; color: var(--muted); }

/* ============================================================
   创始团队
   ============================================================ */
.team-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 44px;
  align-items: center;
}
.team-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid rgba(168, 85, 247, .4);
  background: rgba(168, 85, 247, .12);
  color: #dcbdff;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 22px;
}
.team-badge svg { width: 18px; height: 18px; }
.team-main > p { color: var(--muted); font-size: 16px; }
.team-points { margin-top: 26px; display: grid; gap: 13px; }
.tp { display: flex; align-items: center; gap: 13px; color: #dbe3f5; font-size: 15px; }
.tp-check {
  flex-shrink: 0;
  width: 24px; height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
  color: #6ee7f9;
  border: 1px solid rgba(34, 211, 238, .45);
  background: rgba(34, 211, 238, .12);
}

.team-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.stack-block {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 4px;
  min-height: 150px;
  padding: 22px;
  border-radius: 18px;
  border: 1px solid var(--border);
  font-size: 19px;
  font-weight: 800;
  text-align: center;
  transition: transform .25s ease;
}
.stack-block:hover { transform: translateY(-4px); }
.stack-block span { font-size: 12px; font-weight: 600; color: var(--muted); letter-spacing: 2px; }
.sb-1 { background: linear-gradient(160deg, rgba(56, 189, 248, .14), rgba(56, 189, 248, .03)); border-color: rgba(56, 189, 248, .35); }
.sb-2 { background: linear-gradient(160deg, rgba(99, 102, 241, .16), rgba(99, 102, 241, .04)); border-color: rgba(99, 102, 241, .4); }
.sb-3 { background: linear-gradient(160deg, rgba(168, 85, 247, .14), rgba(168, 85, 247, .03)); border-color: rgba(168, 85, 247, .35); }
.sb-4 { background: linear-gradient(160deg, rgba(244, 114, 182, .12), rgba(244, 114, 182, .03)); border-color: rgba(244, 114, 182, .35); grid-column: 1 / -1; min-height: 110px; }

/* ============================================================
   招聘
   ============================================================ */
.jobs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.job-card {
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  transition: all .25s ease;
}
.job-card:hover {
  border-color: var(--border-hl);
  background: var(--card-hover);
  transform: translateY(-5px);
}
.job-icon { font-size: 30px; display: inline-block; margin-bottom: 14px; }
.job-card h5 { font-size: 17px; margin-bottom: 8px; }
.job-card p { font-size: 13px; color: var(--muted); margin-bottom: 14px; }

.jobs-banner {
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 30px 36px;
  border-radius: 20px;
  border: 1px solid rgba(99, 102, 241, .4);
  background:
    radial-gradient(500px 200px at 90% 0%, rgba(168, 85, 247, .16), transparent 60%),
    linear-gradient(120deg, rgba(99, 102, 241, .14), rgba(56, 189, 248, .08));
}
.jb-left { display: flex; align-items: center; gap: 18px; }
.jb-icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  font-size: 26px;
  border-radius: 14px;
  background: rgba(99, 102, 241, .2);
  border: 1px solid rgba(99, 102, 241, .4);
}
.jb-left h4 { font-size: 18px; margin-bottom: 4px; }
.jb-left p { font-size: 14px; color: var(--muted); }

/* ============================================================
   合作生态
   ============================================================ */
.eco-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.eco-card {
  padding: 30px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  transition: all .25s ease;
}
.eco-card:hover {
  border-color: var(--border-hl);
  background: var(--card-hover);
  transform: translateY(-5px);
}
.eco-future { border-style: dashed; background: transparent; }
.eco-future:hover { background: rgba(255, 255, 255, .03); }
.eco-icon { font-size: 30px; display: inline-block; margin-bottom: 14px; }
.eco-card h5 { font-size: 16px; margin-bottom: 9px; }
.eco-card p { font-size: 13.5px; color: var(--muted); }

/* ============================================================
   页脚
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  background: #060a14;
  padding: 64px 0 30px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr .8fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-slogan {
  margin-top: 18px;
  font-size: 15px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.footer-desc { margin-top: 12px; font-size: 13.5px; color: var(--muted); max-width: 360px; }
.footer-col { display: grid; gap: 11px; align-content: start; }
.footer-col h6 {
  font-size: 14px;
  font-weight: 800;
  color: #dbe3f5;
  margin-bottom: 6px;
  letter-spacing: 1px;
}
.footer-col a, .footer-col span { font-size: 13.5px; color: var(--muted); transition: color .2s ease; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 24px;
  font-size: 13px;
  color: #6b7690;
}

/* ============================================================
   入场动画
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-desc { text-align: center; }
  .hero-visual { margin-top: 20px; }
  .about-grid, .funding-grid, .gsb-body, .llm-body, .team-grid, .tech-columns { grid-template-columns: 1fr; }
  .svc-grid, .jobs-grid, .eco-grid { grid-template-columns: repeat(2, 1fr); }
  .honor-card { flex-direction: column; text-align: center; gap: 26px; padding: 38px 30px; }
  .honor-tags { justify-content: center; }
  .honor-body p { margin: 0 auto; }
  .team-stack { max-width: 480px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; margin-left: auto; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    gap: 2px;
    padding: 14px 5% 22px;
    background: rgba(7, 11, 22, .97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
  }
  .nav.open .nav-links { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-links a { padding: 13px 16px; font-size: 15.5px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 22px 12px; }
  .gsb-metrics { grid-template-columns: repeat(2, 1fr); gap: 22px 12px; }
  .fn-grid { grid-template-columns: 1fr; }
  .svc-grid, .jobs-grid, .eco-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .browser { transform: none; }
  .float-card { display: none; }
  .jobs-banner { flex-direction: column; align-items: flex-start; }
  .logo-wall { grid-template-columns: 1fr 1fr; }
  .team-stack { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero { padding-top: calc(var(--nav-h) + 36px); }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { justify-content: center; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .funding-uses li { font-size: 14px; }
  .mvv-card { padding: 22px; }
  .team-stack { grid-template-columns: 1fr; }
}