/* ============================================================
   医休哥生物科技官网 · 视觉样式
   品牌色:深蓝 #164fa5 / 点缀橙 #f36730(提取自 logo)
   ============================================================ */

:root {
  --blue-950: #061233;
  --blue-900: #0a2560;
  --blue-800: #0c3583;
  --blue-700: #11479e;
  --blue-600: #164fa5;
  --blue-500: #1e63c4;
  --blue-400: #3a80e0;
  --blue-100: #dbe7fa;
  --blue-50:  #eef4fd;
  --orange-600: #e0501a;
  --orange-500: #f36730;
  --orange-400: #ff8252;
  --orange-50:  #fff1ea;
  --ink:    #0d1b33;
  --text:   #3c4760;
  --muted:  #7a86a0;
  --line:   #e3e9f4;
  --bg:     #f5f8fd;
  --white:  #ffffff;
  --radius: 16px;
  --shadow-sm: 0 2px 10px rgba(13, 27, 51, .06);
  --shadow-md: 0 12px 34px rgba(13, 27, 51, .10);
  --shadow-lg: 0 24px 60px rgba(10, 37, 96, .18);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { width: min(1200px, 92%); margin: 0 auto; }
.ic { width: 1em; height: 1em; fill: currentColor; vertical-align: -0.12em; }

::selection { background: var(--blue-600); color: #fff; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px;
  font-weight: 600; font-size: 15px; letter-spacing: .02em;
  cursor: pointer; border: none; transition: all .3s cubic-bezier(.4,0,.2,1);
  white-space: nowrap;
}
.btn-lg { padding: 15px 34px; font-size: 16px; }
.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: #fff; box-shadow: 0 8px 24px rgba(22, 79, 165, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(22, 79, 165, .45); }
.btn-ghost {
  background: rgba(255,255,255,.08); color: #fff;
  border: 1px solid rgba(255,255,255,.35); backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.6); }
.btn-light { background: #fff; color: var(--blue-700); box-shadow: 0 10px 26px rgba(0,0,0,.18); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(0,0,0,.24); }

/* ============ 顶部信息条 ============ */
.topbar {
  background: var(--blue-950);
  color: rgba(255,255,255,.82); font-size: 13px;
  position: relative; z-index: 60;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar-left, .topbar-right { display: flex; gap: 26px; }
.topbar-item { display: inline-flex; align-items: center; gap: 6px; }
.topbar-item .ic { opacity: .7; }
.topbar-item.sos { color: var(--orange-400); font-weight: 600; }

/* ============ 导航 ============ */
.navbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: all .35s ease;
}
.navbar.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 24px rgba(13,27,51,.07); }
.nav-inner { display: flex; align-items: center; gap: 34px; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo { height: 44px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 19px; color: var(--blue-800); letter-spacing: .04em; }
.brand-text em { font-style: normal; font-size: 10px; letter-spacing: .18em; color: var(--muted); }
.brand-text.light strong { color: #fff; }
.brand-text.light em { color: rgba(255,255,255,.5); }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 8px 15px; border-radius: 8px; font-size: 15px; font-weight: 500;
  color: var(--text); position: relative; transition: all .25s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 3px;
  height: 2px; border-radius: 2px; background: var(--orange-500);
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.nav-links a:hover { color: var(--blue-700); }
.nav-links a.active { color: var(--blue-700); font-weight: 600; }
.nav-links a.active::after { transform: scaleX(1); }
.nav-cta { margin-left: 8px; }
.nav-toggle { display: none; }

/* ============ Hero ============ */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, var(--blue-950) 0%, var(--blue-900) 42%, var(--blue-700) 100%);
  color: #fff; padding: 92px 0 150px;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; }
.hero-glow-1 { width: 560px; height: 560px; top: -180px; right: -120px; background: radial-gradient(circle, rgba(58,128,224,.55), transparent 70%); animation: drift 14s ease-in-out infinite alternate; }
.hero-glow-2 { width: 420px; height: 420px; bottom: -140px; left: -100px; background: radial-gradient(circle, rgba(243,103,48,.35), transparent 70%); animation: drift 18s ease-in-out infinite alternate-reverse; }
@keyframes drift { from { transform: translate(0,0) scale(1); } to { transform: translate(40px, 30px) scale(1.12); } }
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 30%, transparent 75%);
}
.hero-inner {
  position: relative; display: grid;
  grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 999px; font-size: 14px; letter-spacing: .06em;
  background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px); margin-bottom: 28px;
}
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--orange-500); position: relative; }
.pulse-dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--orange-500); animation: pulse 2s ease-out infinite; }
@keyframes pulse { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(1.8); opacity: 0; } }
.hero h1 {
  font-size: clamp(34px, 4.6vw, 58px); font-weight: 800; line-height: 1.22;
  letter-spacing: .01em; margin-bottom: 24px;
}
.grad-text {
  background: linear-gradient(92deg, #7db1ff 0%, #b8d4ff 45%, var(--orange-400) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub { font-size: 17px; color: rgba(255,255,255,.78); max-width: 560px; margin-bottom: 38px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 54px; }
.hero-stats { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 34px; font-weight: 800; color: #fff; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat span:last-child { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 4px; letter-spacing: .05em; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,.18); }

/* Hero 右侧视觉 */
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-card-stack { position: relative; width: 340px; height: 480px; }
.helix-wrap {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  border-radius: 28px; backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12), var(--shadow-lg);
}
.helix { height: 88%; animation: helixFloat 6s ease-in-out infinite; }
@keyframes helixFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.float-card {
  position: absolute; display: flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,.96); color: var(--ink);
  padding: 13px 18px; border-radius: 14px; box-shadow: var(--shadow-md);
  animation: floatY 5.5s ease-in-out infinite;
}
.float-card strong { display: block; font-size: 14.5px; color: var(--blue-800); }
.float-card span { font-size: 12px; color: var(--muted); }
.fc-icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; flex-shrink: 0; }
.fc-icon svg { width: 20px; height: 20px; fill: #fff; }
.fc-icon.blue { background: linear-gradient(135deg, var(--blue-500), var(--blue-700)); }
.fc-icon.orange { background: linear-gradient(135deg, var(--orange-400), var(--orange-600)); }
.fc-1 { top: -22px; left: -64px; animation-delay: .2s; }
.fc-2 { top: 96px; right: -72px; animation-delay: 1.1s; }
.fc-3 { bottom: 110px; left: -78px; animation-delay: 2s; }
.fc-4 { bottom: -24px; right: -40px; animation-delay: 2.8s; }
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.hero-wave { position: absolute; left: 0; right: 0; bottom: -1px; line-height: 0; }
.hero-wave svg { width: 100%; height: 90px; }

/* ============ 信任条 ============ */
.trustbar { background: var(--bg); padding: 6px 0 0; position: relative; z-index: 2; }
.trustbar-inner {
  display: flex; justify-content: center; align-items: center; gap: 30px; flex-wrap: wrap;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 16px 40px; margin-top: -34px; box-shadow: var(--shadow-md);
}
.trust-item { font-weight: 700; color: var(--blue-800); letter-spacing: .12em; font-size: 15px; }
.trustbar-inner i { width: 6px; height: 6px; border-radius: 50%; background: var(--orange-500); }

/* ============ 通用 Section ============ */
.section { padding: 108px 0; }
.section-gray { background: linear-gradient(180deg, #fff 0%, var(--bg) 100%); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.kicker {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .3em;
  color: var(--orange-500); margin-bottom: 16px;
}
.kicker::before, .kicker::after { content: ""; display: inline-block; width: 34px; height: 1px; background: var(--orange-500); vertical-align: middle; opacity: .5; }
.kicker::before { margin-right: 14px; } .kicker::after { margin-left: 14px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 42px); font-weight: 800; color: var(--ink); line-height: 1.3; }
.section-head .section-desc { margin-top: 16px; color: var(--muted); font-size: 16.5px; }
.section-head.light h2 { color: #fff; }
.section-head.light .section-desc { color: rgba(255,255,255,.66); }

/* ============ 关于我们 ============ */
.about-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 56px; align-items: start; }
.about-main p { margin-bottom: 18px; font-size: 16.5px; }
.about-main .lead { font-size: 18px; color: var(--ink); font-weight: 500; }
.about-main strong { color: var(--blue-700); }
.about-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.about-tags span {
  padding: 7px 16px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
  background: var(--blue-50); color: var(--blue-700); border: 1px solid var(--blue-100);
}
.about-side { display: flex; flex-direction: column; gap: 20px; }
.about-card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 26px 24px 88px;
  box-shadow: var(--shadow-sm); transition: all .35s;
}
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue-100); }
.ac-num {
  position: absolute; left: 24px; top: 24px;
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 800; font-size: 16px; color: #fff;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-800));
}
.about-card:nth-child(2) .ac-num { background: linear-gradient(135deg, var(--orange-400), var(--orange-600)); }
.about-card h3 { font-size: 18px; color: var(--ink); margin-bottom: 6px; }
.about-card p { font-size: 14.5px; color: var(--muted); }

/* ============ 服务体系(深色) ============ */
.section-dark {
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(58,128,224,.28), transparent 60%),
    radial-gradient(800px 400px at 8% 110%, rgba(243,103,48,.14), transparent 60%),
    linear-gradient(165deg, var(--blue-950), var(--blue-900) 60%, #0d2c6e);
}
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.svc-card {
  position: relative; overflow: hidden;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px; padding: 34px 30px 30px;
  transition: all .4s cubic-bezier(.4,0,.2,1);
  backdrop-filter: blur(8px);
}
.svc-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue-400), var(--orange-500));
  transform: scaleX(0); transform-origin: left; transition: transform .45s;
}
.svc-card:hover { background: rgba(255,255,255,.09); transform: translateY(-6px); border-color: rgba(255,255,255,.2); box-shadow: 0 26px 50px rgba(0,0,0,.3); }
.svc-card:hover::before { transform: scaleX(1); }
.svc-icon {
  width: 56px; height: 56px; border-radius: 15px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  box-shadow: 0 10px 22px rgba(22,79,165,.4); margin-bottom: 22px;
}
.svc-icon svg { width: 27px; height: 27px; fill: #fff; }
.svc-card:nth-child(even) .svc-icon { background: linear-gradient(135deg, var(--orange-400), var(--orange-600)); box-shadow: 0 10px 22px rgba(243,103,48,.35); }
.svc-card h3 { color: #fff; font-size: 20px; margin-bottom: 12px; }
.svc-card > p { color: rgba(255,255,255,.62); font-size: 14.5px; margin-bottom: 18px; min-height: 88px; }
.svc-card ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; }
.svc-card li { position: relative; padding-left: 16px; font-size: 13.5px; color: rgba(255,255,255,.82); }
.svc-card li::before { content: ""; position: absolute; left: 0; top: .62em; width: 7px; height: 7px; border-radius: 2px; background: var(--orange-500); transform: rotate(45deg); }
.svc-no {
  position: absolute; right: 20px; top: 18px;
  font-size: 44px; font-weight: 800; color: rgba(255,255,255,.06);
  font-variant-numeric: tabular-nums; line-height: 1;
}

/* 全业务覆盖 */
.biz-wall {
  margin-top: 56px; text-align: center;
  background: rgba(255,255,255,.04); border: 1px dashed rgba(255,255,255,.16);
  border-radius: 20px; padding: 38px 34px;
}
.biz-title { color: #fff; font-size: 20px; margin-bottom: 24px; letter-spacing: .1em; }
.biz-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.biz-chips span {
  padding: 9px 20px; border-radius: 999px; font-size: 14px; font-weight: 500;
  background: rgba(255,255,255,.08); color: rgba(255,255,255,.88);
  border: 1px solid rgba(255,255,255,.14); transition: all .3s;
}
.biz-chips span:hover { background: var(--orange-500); border-color: var(--orange-500); color: #fff; transform: translateY(-2px); }

/* ============ 服务模式 ============ */
.model-flow {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch; gap: 14px; margin-bottom: 70px;
}
.flow-step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 24px 28px; text-align: center; box-shadow: var(--shadow-sm);
  transition: all .35s; position: relative;
}
.flow-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--blue-100); }
.fs-num {
  width: 52px; height: 52px; margin: 0 auto 18px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; font-size: 17px; color: #fff;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-800));
  box-shadow: 0 8px 18px rgba(22,79,165,.3);
}
.flow-step:nth-child(3) .fs-num, .flow-step:nth-child(7) .fs-num { background: linear-gradient(135deg, var(--orange-400), var(--orange-600)); box-shadow: 0 8px 18px rgba(243,103,48,.3); }
.flow-step h3 { font-size: 18px; color: var(--ink); margin-bottom: 10px; }
.flow-step p { font-size: 14px; color: var(--muted); }
.flow-arrow { align-self: center; }
.flow-arrow svg { width: 26px; height: 26px; fill: var(--blue-300, #9db9e8); opacity: .8; }

.team-strip {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-600));
  border-radius: 20px; padding: 34px 30px; box-shadow: var(--shadow-lg);
}
.team-item { text-align: center; color: #fff; padding: 6px 10px; }
.team-item strong { display: block; font-size: 15.5px; margin-bottom: 4px; }
.team-item span { font-size: 12.5px; color: rgba(255,255,255,.62); }
.team-item + .team-item { border-left: 1px solid rgba(255,255,255,.14); }

/* ============ 组织架构 ============ */
.org-tree { max-width: 980px; margin: 0 auto 80px; }
.org-root { display: flex; justify-content: center; }
.org-root-card {
  display: inline-flex; align-items: center; gap: 16px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-900));
  color: #fff; border-radius: 18px; padding: 22px 38px;
  box-shadow: var(--shadow-lg);
}
.org-logo { height: 46px; width: auto; background: #fff; border-radius: 10px; padding: 4px 8px; }
.org-root-card strong { display: block; font-size: 19px; letter-spacing: .03em; }
.org-root-card span { font-size: 13px; color: rgba(255,255,255,.65); letter-spacing: .14em; }
.org-connector { width: 2px; height: 42px; margin: 0 auto; background: linear-gradient(180deg, var(--blue-400), var(--blue-100)); position: relative; }
.org-connector::after { content: ""; position: absolute; bottom: -5px; left: 50%; transform: translateX(-50%) rotate(45deg); width: 9px; height: 9px; background: var(--orange-500); border-radius: 2px; }
.org-branches { display: grid; grid-template-columns: 1fr; gap: 26px; }
.org-group { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 28px 30px; box-shadow: var(--shadow-sm); }
.org-group-head { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; flex-wrap: wrap; }
.org-badge { padding: 6px 16px; border-radius: 8px; font-size: 14px; font-weight: 700; color: #fff; letter-spacing: .08em; }
.org-badge.blue { background: linear-gradient(135deg, var(--blue-500), var(--blue-700)); }
.org-badge.orange { background: linear-gradient(135deg, var(--orange-400), var(--orange-600)); }
.org-group-head em { font-style: normal; font-size: 13.5px; color: var(--muted); }
.org-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.org-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--blue-50); border: 1px solid var(--blue-100);
  border-radius: 12px; padding: 15px 18px; font-size: 14.5px; font-weight: 600; color: var(--blue-800);
  transition: all .3s;
}
.org-card:hover { background: #fff; box-shadow: var(--shadow-sm); transform: translateX(4px); }
.dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.dot.blue { background: var(--blue-500); box-shadow: 0 0 0 4px rgba(30,99,196,.15); }
.org-city-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.org-city-grid span {
  text-align: center; padding: 12px 6px; border-radius: 10px;
  background: var(--orange-50); border: 1px solid #ffd9c6;
  color: var(--orange-600); font-weight: 600; font-size: 14.5px;
  transition: all .3s;
}
.org-city-grid span:hover { background: var(--orange-500); color: #fff; transform: translateY(-3px); box-shadow: 0 8px 16px rgba(243,103,48,.28); }

/* 管理原则 */
.principles-title { text-align: center; font-size: 26px; color: var(--ink); margin-bottom: 40px; font-weight: 800; }
.principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.principle {
  display: flex; gap: 18px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-sm); transition: all .3s;
}
.principle:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.principle > span {
  font-size: 24px; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-800));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.principle strong { display: block; color: var(--ink); font-size: 16px; margin-bottom: 4px; }
.principle p { font-size: 13.5px; color: var(--muted); }

/* ============ 企业文化 ============ */
.section-culture {
  background:
    radial-gradient(900px 480px at 12% -10%, rgba(243,103,48,.12), transparent 55%),
    radial-gradient(1000px 520px at 92% 112%, rgba(58,128,224,.24), transparent 60%),
    linear-gradient(158deg, var(--blue-950), #0a2a6b 70%, var(--blue-800));
}
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 46px; }
.culture-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px; padding: 32px 30px; backdrop-filter: blur(8px);
  transition: all .35s;
}
.culture-card:hover { background: rgba(255,255,255,.1); transform: translateY(-5px); border-color: rgba(255,255,255,.22); }
.culture-card.big { grid-row: span 2; display: flex; flex-direction: column; justify-content: center; background: linear-gradient(160deg, rgba(30,99,196,.35), rgba(255,255,255,.05)); }
.cc-label {
  display: inline-block; padding: 5px 14px; border-radius: 999px; font-size: 12.5px;
  font-weight: 700; letter-spacing: .2em; margin-bottom: 18px;
  background: rgba(243,103,48,.18); color: var(--orange-400); border: 1px solid rgba(243,103,48,.35);
}
.culture-card h3 { color: #fff; font-size: 21px; line-height: 1.45; margin-bottom: 12px; }
.culture-card.big h3 { font-size: 27px; }
.culture-card p { color: rgba(255,255,255,.62); font-size: 14.5px; }
.culture-slogan {
  text-align: center; max-width: 860px; margin: 0 auto 44px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  border-radius: 24px; padding: 44px 48px 38px; backdrop-filter: blur(8px);
}
.quote-ic { width: 40px; height: 40px; fill: var(--orange-500); opacity: .9; margin-bottom: 14px; }
.culture-slogan p { font-size: clamp(19px, 2.4vw, 26px); font-weight: 700; color: #fff; line-height: 1.6; margin-bottom: 14px; }
.culture-slogan span { color: rgba(255,255,255,.6); font-size: 15px; }
.culture-philosophy { text-align: center; }
.culture-philosophy h4 { color: rgba(255,255,255,.85); font-size: 17px; letter-spacing: .24em; margin-bottom: 22px; }
.ph-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 11px; max-width: 900px; margin: 0 auto; }
.ph-chips span {
  padding: 8px 18px; border-radius: 999px; font-size: 13.5px;
  border: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.8); transition: all .3s;
}
.ph-chips span:hover { background: rgba(243,103,48,.2); border-color: var(--orange-500); color: #fff; }

/* ============ 联系我们 ============ */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 56px; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: 34px 26px; text-align: center; box-shadow: var(--shadow-sm);
  transition: all .35s; display: flex; flex-direction: column; align-items: center;
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--blue-100); }
.ct-icon { width: 62px; height: 62px; border-radius: 18px; display: grid; place-items: center; margin-bottom: 20px; }
.ct-icon svg { width: 29px; height: 29px; fill: #fff; }
.ct-icon.blue { background: linear-gradient(135deg, var(--blue-500), var(--blue-800)); box-shadow: 0 12px 24px rgba(22,79,165,.3); }
.ct-icon.orange { background: linear-gradient(135deg, var(--orange-400), var(--orange-600)); box-shadow: 0 12px 24px rgba(243,103,48,.3); }
.contact-card span { font-size: 13.5px; color: var(--muted); letter-spacing: .1em; }
.contact-card strong { font-size: 19px; color: var(--ink); margin: 8px 0 6px; }
.contact-card strong.mail { font-size: 15.5px; word-break: break-all; }
.contact-card em { font-style: normal; font-size: 12.5px; color: var(--muted); }
.contact-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
  background:
    radial-gradient(500px 240px at 90% 0%, rgba(243,103,48,.35), transparent 60%),
    linear-gradient(120deg, var(--blue-800), var(--blue-600));
  border-radius: 24px; padding: 48px 54px; box-shadow: var(--shadow-lg); color: #fff;
}
.cb-copy h3 { font-size: clamp(22px, 2.6vw, 30px); margin-bottom: 8px; }
.cb-copy p { color: rgba(255,255,255,.72); }

/* ============ 页脚 ============ */
.footer { background: var(--blue-950); color: rgba(255,255,255,.66); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 44px; padding-bottom: 52px; }
.footer-brand .brand { margin-bottom: 20px; }
.footer-brand p { font-size: 14px; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 20px; letter-spacing: .06em; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: var(--orange-500); border-radius: 2px; }
.footer-col a { display: block; font-size: 14px; padding: 6px 0; transition: all .25s; }
.footer-col a:hover { color: var(--orange-400); transform: translateX(4px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0; display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
  font-size: 13.5px;
}
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--orange-400); }

/* ============ 入场动画 ============ */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s cubic-bezier(.22,.61,.36,1), transform .8s cubic-bezier(.22,.61,.36,1); }
.reveal.d1 { transition-delay: .12s; } .reveal.d2 { transition-delay: .24s; }
.reveal.d3 { transition-delay: .36s; } .reveal.d4 { transition-delay: .48s; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .float-card, .helix, .hero-glow-1, .hero-glow-2, .pulse-dot::after { animation: none; }
}

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
  .nav-cta { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .model-flow { grid-template-columns: 1fr 1fr; gap: 18px; }
  .flow-arrow { display: none; }
  .team-strip { grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .team-item + .team-item { border-left: none; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .org-city-grid { grid-template-columns: repeat(4, 1fr); }
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .culture-card.big { grid-row: auto; grid-column: span 2; }
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 80px; }
  .hero-visual { order: 2; }
  .hero-card-stack { width: 320px; height: 440px; }
  .fc-1 { left: -10px; } .fc-2 { right: -12px; } .fc-3 { left: -14px; } .fc-4 { right: -8px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .topbar-left .topbar-item:nth-child(2) { display: none; }
}
@media (max-width: 760px) {
  .section { padding: 76px 0; }
  .hero { padding: 64px 0 130px; }
  .nav-toggle {
    display: flex; flex-direction: column; gap: 5px; margin-left: auto;
    background: none; border: none; cursor: pointer; padding: 8px;
  }
  .nav-toggle span { width: 24px; height: 2.5px; background: var(--blue-800); border-radius: 2px; transition: all .3s; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  .nav-links {
    position: fixed; top: 114px; left: 0; right: 0;
    flex-direction: column; background: #fff; padding: 18px 5%;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md);
    transform: translateY(-130%); transition: transform .4s cubic-bezier(.4,0,.2,1);
    gap: 2px; z-index: 49;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 13px 16px; font-size: 16px; }
  .services-grid, .contact-grid, .principles-grid, .culture-grid { grid-template-columns: 1fr; }
  .culture-card.big { grid-column: auto; }
  .model-flow { grid-template-columns: 1fr; }
  .team-strip { grid-template-columns: 1fr 1fr; }
  .org-cards { grid-template-columns: 1fr; }
  .org-city-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-banner { padding: 38px 30px; }
  .culture-slogan { padding: 34px 24px 30px; }
  .svc-card > p { min-height: 0; }
  .trustbar-inner { border-radius: 20px; gap: 16px; }
}
@media (max-width: 460px) {
  .footer-grid { grid-template-columns: 1fr; }
  .org-city-grid { grid-template-columns: repeat(2, 1fr); }
  .team-strip { grid-template-columns: 1fr; }
  .hero-stats { gap: 18px; }
  .stat strong { font-size: 26px; }
  .topbar-inner { justify-content: center; }
  .topbar-left .topbar-item:first-child { display: none; }
}