/* ============================================================
   武汉德得兴电力工程设备有限公司 官网
   设计语言：深海军蓝 × 电力金 | 现代工程 · 高端克制
   排版体系 v2：统一字号层级 / 间距系统 / 卡片规范
   ------------------------------------------------------------
   字号规范（font-scale）：
   页级标题   .section-title  34px / 800
   卡片标题   h3               19px / 700
   强调正文   .about-main p    16px
   常规正文   p                15px
   辅助说明   .syn-desc 等     14px
   标签/元信息 .qual-meta 等   13.5px
   品牌小字                    13px
   间距规范：section 100px | 卡片间距 24px | 卡片内边距 32px
   ============================================================ */

:root {
  --navy-900: #081426;
  --navy-800: #0B1D3A;
  --navy-700: #0E2A5C;
  --navy-600: #14366F;
  --gold: #F5B93A;
  --gold-light: #FFD36B;
  --gold-deep: #D99A1E;
  --blue: #1E5EFF;
  --blue-soft: #E8EEFF;
  --green: #0FA47F;
  --purple: #8A5CF6;
  --red: #E2523C;
  --ink: #18233A;
  --ink-2: #43506B;
  --ink-3: #7A869F;
  --bg: #FFFFFF;
  --bg-soft: #F5F7FB;
  --bg-dark: #0B1D3A;
  --line: #E4E9F2;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 10px rgba(11, 29, 58, 0.06);
  --shadow-md: 0 12px 32px rgba(11, 29, 58, 0.10);
  --shadow-lg: 0 24px 60px rgba(11, 29, 58, 0.16);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* 字号与间距 token */
  --fs-title: 30px;
  --fs-h3: 19px;
  --fs-body-lg: 16px;
  --fs-body: 15px;
  --fs-aux: 14px;
  --fs-meta: 13.5px;
  --fs-mini: 12.5px;
  --space-card: 32px;
  --space-card-gap: 24px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  font-family: var(--font);
  font-size: var(--fs-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

/* ---------------- 通用组件 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  transition: all 0.35s var(--ease);
  white-space: nowrap;
}
.btn-sm { padding: 11px 24px; font-size: 14.5px; }

.btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 55%, var(--gold-deep));
  color: var(--navy-900);
  box-shadow: 0 8px 24px rgba(245, 185, 58, 0.35);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(245, 185, 58, 0.45);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}
.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-2);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.btn-block { width: 100%; }

/* 区块标题 —— 统一层级 */
.section { padding: 100px 0; position: relative; }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-dark .section-desc { color: #B4C0DA; }
.section-soft { background: var(--bg-soft); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }

.section-tag {
  display: inline-block;
  font-size: var(--fs-mini);
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 7px 18px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.section-tag-dark { color: var(--gold); background: rgba(245, 185, 58, 0.12); }

.section-title {
  font-size: var(--fs-title);
  font-weight: 800;
  letter-spacing: 1.5px;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 16px;
}
.section-title::after {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  border-radius: 3px;
  margin: 16px auto 0;
  background: linear-gradient(90deg, var(--gold-light), var(--gold-deep));
}
.section-dark .section-title { color: #fff; }
.section-dark .section-title::after { background: linear-gradient(90deg, transparent, var(--gold), transparent); }

.section-desc { font-size: 16px; color: var(--ink-2); }
.section-dark .section-desc { color: #B4C0DA; }

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
  background: linear-gradient(180deg, rgba(8, 20, 38, 0.6), rgba(8, 20, 38, 0));
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  backdrop-filter: blur(20px) saturate(1.8);
  box-shadow: 0 1px 0 var(--line), 0 12px 34px rgba(11, 29, 58, 0.08);
}
.site-header.scrolled .brand-text strong { color: var(--ink); }
.site-header.scrolled .brand-text small { color: var(--ink-3); }
.site-header.scrolled .nav-link { color: var(--ink-2); }
.site-header.scrolled .nav-link:hover { color: var(--blue); }
.site-header.scrolled .nav-link::after { background: var(--blue); }
.site-header.scrolled .nav-link.active-here { color: var(--blue); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--navy-700), var(--navy-900));
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(11, 29, 58, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}
.site-header.scrolled .brand-mark { box-shadow: 0 4px 12px rgba(11, 29, 58, 0.22); }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong { font-size: 17px; font-weight: 800; letter-spacing: 1px; color: #fff; transition: color .3s; }
.brand-text small { font-size: 11.5px; color: rgba(255,255,255,0.6); letter-spacing: 3px; transition: color .3s; }

.main-nav { display: flex; align-items: center; gap: 2px; }

.nav-link {
  position: relative;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.88);
  border-radius: 8px;
  transition: color 0.3s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 18px; right: 18px; bottom: 7px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav-link:hover { color: var(--gold-light); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active-here { color: var(--gold-light); }
.nav-link.active-here::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  cursor: pointer;
  padding: 10px;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: all 0.3s var(--ease);
}
.site-header.scrolled .nav-toggle { background: rgba(11, 29, 58, 0.06); border-color: var(--line); }
.site-header.scrolled .nav-toggle span { background: var(--ink); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(30, 94, 255, 0.28), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(245, 185, 58, 0.10), transparent 55%),
    linear-gradient(165deg, var(--navy-900) 0%, var(--navy-800) 55%, #0D2347 100%);
  color: #fff;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 75%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); }
.hero-glow-1 { width: 480px; height: 480px; background: rgba(30, 94, 255, 0.22); top: -120px; right: -80px; }
.hero-glow-2 { width: 380px; height: 380px; background: rgba(245, 185, 58, 0.10); bottom: -120px; left: -60px; }
.hero-tower { position: absolute; inset: 0 0 0 auto; width: 100%; height: 100%; opacity: 0.9; }

.hero-inner { position: relative; z-index: 2; padding: 130px 0 90px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--gold-light);
  background: rgba(245, 185, 58, 0.1);
  border: 1px solid rgba(245, 185, 58, 0.3);
  padding: 8px 20px;
  border-radius: 999px;
  margin-bottom: 30px;
  backdrop-filter: blur(8px);
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 0 rgba(245, 185, 58, 0.5);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(245, 185, 58, 0.45); }
  70% { box-shadow: 0 0 0 10px rgba(245, 185, 58, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 185, 58, 0); }
}

.hero-title {
  font-size: clamp(34px, 4.6vw, 52px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: 2px;
  margin-bottom: 26px;
}
.hero-title .ht-line { display: block; }
.text-gold {
  background: linear-gradient(100deg, var(--gold-light), var(--gold) 60%, var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  max-width: 620px;
  font-size: 16px;
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 42px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }

.hero-stats {
  position: relative;
  display: flex;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  overflow: hidden;
  max-width: 780px;
  isolation: isolate;
}
.hero-stats::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: -70%;
  width: 55%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.07), transparent);
  animation: shine 6s ease-in-out infinite 1.2s;
  z-index: 0;
  pointer-events: none;
}
@keyframes shine {
  0% { left: -70%; }
  60% { left: 130%; }
  100% { left: 130%; }
}
.hero-stat {
  position: relative;
  z-index: 1;
  flex: 1;
  padding: 26px 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.3s;
  cursor: default;
}
.hero-stat:last-child { border-right: none; }
.hero-stat:hover { background: rgba(245, 185, 58, 0.07); }
.hero-stat:hover .hs-num { transform: translateY(-2px) scale(1.06); }
.hs-num {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  font-size: 46px;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 1px;
  line-height: 1.15;
  transition: transform 0.35s var(--ease);
  will-change: transform;
}
.hs-num em {
  font-style: normal;
  font-size: 21px;
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 1px;
}
.hs-num .hs-text { font-size: 40px; }
.hs-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 2px;
}
.count { display: inline-block; min-width: 1ch; }
.count.done { animation: pop 0.55s var(--ease); }
@keyframes pop {
  0% { transform: scale(1); }
  45% { transform: scale(1.16); }
  100% { transform: scale(1); }
}

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, 0.5);
  z-index: 2;
}
.hero-scroll svg { animation: bounce 2s infinite; }
@keyframes bounce {
  0%, 100% { transform: translateY(0); opacity: 0.9; }
  50% { transform: translateY(7px); opacity: 0.4; }
}

/* ---------------- 公司概况 ---------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 44px;
  align-items: start;
}

.about-main h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--navy-800);
  margin-bottom: 22px;
  letter-spacing: 0.5px;
}
.about-main p {
  color: var(--ink-2);
  font-size: var(--fs-body-lg);
  line-height: 1.95;
  margin-bottom: 20px;
  text-align: justify;
}
.about-main strong { color: var(--navy-700); font-weight: 700; }

.about-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.point {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: all 0.35s var(--ease);
}
.point:hover {
  transform: translateY(-3px);
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
  background: #fff;
}
.point svg { color: var(--blue); flex-shrink: 0; width: 22px; height: 22px; }
.point span { font-size: 15px; color: var(--ink); font-weight: 600; display: flex; flex-direction: column; line-height: 1.45; }
.point span span { font-size: 13px; color: var(--ink-3); font-weight: 400; }

.about-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 34px 32px;
  position: sticky;
  top: 96px;
}
.about-card h4 {
  font-size: 19px;
  font-weight: 800;
  color: var(--navy-800);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--bg-soft);
  position: relative;
}
.about-card h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 44px; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-deep));
}

.reg-list > div {
  display: flex;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
  line-height: 1.7;
}
.reg-list > div:last-child { border-bottom: none; }
.reg-list dt {
  color: var(--ink-3);
  flex-shrink: 0;
  width: 104px;
  font-weight: 500;
}
.reg-list dd { color: var(--ink); font-weight: 500; word-break: break-all; }
.reg-list .tag-ok {
  color: var(--green);
  font-weight: 700;
}

/* ---------------- 资质荣誉 ---------------- */
.qual-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-card-gap);
  margin-bottom: 40px;
}

.qual-card {
  background: linear-gradient(160deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 34px 32px;
  transition: all 0.45s var(--ease);
  position: relative;
  overflow: hidden;
}
.qual-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.qual-card:hover {
  transform: translateY(-6px);
  border-color: rgba(245, 185, 58, 0.4);
  background: linear-gradient(160deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03));
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.35);
}
.qual-card:hover::before { opacity: 1; }

.qual-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}
.qual-badge {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--gold-light);
  background: rgba(245, 185, 58, 0.12);
  border: 1px solid rgba(245, 185, 58, 0.28);
  padding: 6px 16px;
  border-radius: 999px;
}
.qual-top svg { color: rgba(245, 185, 58, 0.8); }

.qual-card h3 { font-size: 22px; color: #fff; font-weight: 700; margin-bottom: 14px; line-height: 1.4; }
.qual-card h3 em {
  font-style: normal;
  font-size: 16px;
  color: var(--gold);
  background: rgba(245, 185, 58, 0.14);
  padding: 4px 12px;
  border-radius: 6px;
  margin-left: 8px;
  vertical-align: 3px;
  font-weight: 700;
}
.qual-card p { font-size: 15px; color: #B4C0DA; line-height: 1.9; margin-bottom: 24px; }

.qual-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  font-size: 13.5px;
  color: #8E9BB8;
  line-height: 1.8;
}
.qual-meta b { color: #DDE4F2; font-weight: 600; margin-left: 6px; font-size: 14px; }

.qual-note {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(245, 185, 58, 0.06);
  border: 1px solid rgba(245, 185, 58, 0.2);
  border-radius: var(--radius-sm);
  padding: 24px 28px;
  color: #D3DCEE;
  font-size: 15px;
  line-height: 1.95;
}
.qual-note svg { color: var(--gold); flex-shrink: 0; margin-top: 4px; }

/* ---------------- 业务范围 ---------------- */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-card-gap);
}
.biz-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 30px;
  transition: all 0.45s var(--ease);
  position: relative;
}
.biz-item::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c), transparent 80%);
  opacity: 0;
  transition: opacity 0.4s;
}
.biz-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.biz-item:hover::after { opacity: 1; }

.biz-icon {
  width: 60px; height: 60px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: var(--c);
  background: color-mix(in srgb, var(--c) 10%, #fff);
  margin-bottom: 24px;
  transition: all 0.4s var(--ease);
}
.biz-item:hover .biz-icon {
  background: var(--c);
  color: #fff;
  transform: scale(1.05);
}
.biz-item h3 { font-size: 19px; font-weight: 700; color: var(--navy-800); margin-bottom: 12px; }
.biz-item p { font-size: 15px; color: var(--ink-2); line-height: 1.85; }

/* ---------------- 数据看板 ---------------- */
.stats-band {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  padding: 68px 0;
  position: relative;
  overflow: hidden;
}
.stats-band::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
}
.stats-inner {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-item strong {
  display: block;
  font-size: 50px;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 1px;
  margin-bottom: 8px;
  line-height: 1.15;
}
.stat-item span { font-size: 13.5px; color: rgba(255, 255, 255, 0.65); letter-spacing: 2px; }

/* ---------------- 股权治理 ---------------- */
.gov-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-card-gap);
  align-items: stretch;
}
.gov-share, .gov-team, .gov-timeline {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 32px;
  box-shadow: var(--shadow-sm);
}
.gov-share h3, .gov-team h3, .gov-timeline h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--navy-800);
  margin-bottom: 26px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--bg-soft);
  position: relative;
}
.gov-share h3::after, .gov-team h3::after, .gov-timeline h3::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 40px; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-deep));
}

.share-chart { display: flex; align-items: center; gap: 36px; }
.donut {
  --p1: 70; --p2: 30;
  width: 178px; height: 178px;
  border-radius: 50%;
  background: conic-gradient(
    var(--blue) 0 calc(var(--p1) * 1%),
    var(--gold) calc(var(--p1) * 1%) 100%
  );
  display: grid;
  place-items: center;
  position: relative;
  flex-shrink: 0;
  animation: donut-in 1s var(--ease);
}
@keyframes donut-in { from { transform: scale(0.7); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.donut::after {
  content: "";
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  background: #fff;
}
.donut-center { position: relative; z-index: 1; text-align: center; }
.donut-center strong { display: block; font-size: 28px; font-weight: 800; color: var(--navy-800); }
.donut-center span { font-size: 13px; color: var(--ink-3); letter-spacing: 2px; }

.share-legend { flex: 1; display: flex; flex-direction: column; gap: 20px; }
.share-legend li { display: flex; align-items: center; gap: 12px; }
.legend-dot { width: 12px; height: 12px; border-radius: 4px; flex-shrink: 0; }
.share-legend li div { flex: 1; display: flex; flex-direction: column; }
.share-legend li b { font-size: 16px; color: var(--ink); }
.share-legend li small { font-size: 13px; color: var(--ink-3); }
.share-legend li em {
  font-style: normal;
  font-size: 18px;
  font-weight: 800;
  color: var(--navy-800);
}

.team-list { display: flex; flex-direction: column; gap: 14px; }
.team-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  transition: all 0.3s;
}
.team-row:hover { border-color: var(--blue); transform: translateX(4px); }
.team-avatar {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--navy-600), var(--navy-800));
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.team-row div { display: flex; flex-direction: column; }
.team-row b { font-size: 16px; color: var(--ink); }
.team-row small { font-size: 13px; color: var(--ink-3); }
.gov-note {
  margin-top: 22px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.95;
  background: var(--blue-soft);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  border-left: 3px solid var(--blue);
}

.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue), var(--gold));
}
.timeline-item { position: relative; padding-bottom: 28px; }
.timeline-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute;
  left: -26px; top: 6px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--blue);
  box-shadow: 0 0 0 4px var(--blue-soft);
}
.tl-dot-future { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(245, 185, 58, 0.15); }
.timeline-item time {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--blue);
  margin-bottom: 6px;
}
.timeline-item p { font-size: 15px; color: var(--ink-2); line-height: 1.85; }
.timeline-item b { color: var(--navy-800); }

/* ---------------- 关联协同 ---------------- */
.syn-grid {
  display: grid;
  grid-template-columns: 1fr 72px 1fr;
  align-items: stretch;
  gap: 0;
  margin-bottom: 48px;
}
.syn-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 36px 34px;
  transition: all 0.4s var(--ease);
}
.syn-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 185, 58, 0.35);
  background: rgba(255, 255, 255, 0.08);
}
.syn-head { display: flex; align-items: center; gap: 16px; margin-bottom: 26px; }
.syn-logo {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(140deg, var(--c), color-mix(in srgb, var(--c) 55%, #000));
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  flex-shrink: 0;
}
.syn-head h3 { font-size: 19px; color: #fff; font-weight: 700; line-height: 1.45; }
.syn-head p { font-size: 13.5px; color: var(--gold-light); letter-spacing: 2px; margin-top: 4px; }

.syn-list { display: flex; gap: 16px; margin-bottom: 22px; }
.syn-list li {
  flex: 1;
  text-align: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 20px 8px;
}
.syn-list b { display: block; font-size: 40px; font-weight: 800; color: var(--gold); line-height: 1.15; }
.syn-list span { font-size: 13.5px; color: #B4C0DA; }
.syn-desc { font-size: 14.5px; color: #B4C0DA; line-height: 1.9; }

.syn-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: rgba(245, 185, 58, 0.7);
}
.syn-link span {
  font-size: 13px;
  letter-spacing: 3px;
  writing-mode: vertical-rl;
  color: #B4C0DA;
}

.syn-flow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  margin-bottom: 36px;
}
.flow-step {
  flex: 1;
  max-width: 260px;
  text-align: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 28px 20px;
  transition: all 0.35s;
}
.flow-step:hover { border-color: rgba(245, 185, 58, 0.4); }
.flow-num {
  display: inline-grid;
  place-items: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  font-size: 15px;
  font-weight: 800;
  color: var(--navy-900);
  background: var(--gold);
  margin-bottom: 16px;
}
.flow-step b { display: block; font-size: 17px; color: #fff; margin-bottom: 8px; }
.flow-step p { font-size: 13.5px; color: #B4C0DA; line-height: 1.75; }
.flow-arrow {
  display: flex;
  align-items: center;
  padding: 0 18px;
  color: var(--gold);
}

.syn-note {
  font-size: 15px;
  color: #B4C0DA;
  line-height: 2.05;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 32px;
  background: rgba(245, 185, 58, 0.05);
  border: 1px solid rgba(245, 185, 58, 0.15);
  border-radius: var(--radius-sm);
}

/* ---------------- 风险合规 ---------------- */
.comp-banner {
  display: flex;
  gap: 22px;
  align-items: center;
  background: linear-gradient(135deg, rgba(15, 164, 127, 0.10), rgba(15, 164, 127, 0.04));
  border: 1px solid rgba(15, 164, 127, 0.25);
  border-radius: var(--radius);
  padding: 32px 36px;
  margin-bottom: 32px;
}
.comp-shield {
  width: 74px; height: 74px;
  border-radius: 20px;
  background: linear-gradient(140deg, #0FA47F, #0B8A68);
  color: #fff;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: 0 10px 24px rgba(15, 164, 127, 0.3);
}
.comp-banner h3 { font-size: 21px; font-weight: 800; color: var(--navy-800); margin-bottom: 8px; }
.comp-banner p { font-size: 15px; color: var(--ink-2); }

.comp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.comp-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 22px 24px;
  transition: all 0.35s var(--ease);
}
.comp-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(15, 164, 127, 0.4);
}
.comp-check {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(15, 164, 127, 0.12);
  color: var(--green);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.comp-item div { display: flex; flex-direction: column; }
.comp-item b { font-size: 15px; color: var(--ink); font-weight: 600; }
.comp-item em { font-style: normal; font-size: 14px; color: var(--green); font-weight: 700; }

/* ---------------- 综合实力 ---------------- */
.str-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.str-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 28px 30px;
  transition: all 0.35s var(--ease);
}
.str-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.str-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.str-head b { font-size: 17px; font-weight: 700; color: var(--navy-800); }
.str-stars {
  font-size: 16px;
  letter-spacing: 3px;
  color: var(--gold);
  text-shadow: 0 1px 0 rgba(217, 154, 30, 0.3);
}
.str-bar {
  height: 9px;
  border-radius: 99px;
  background: var(--bg-soft);
  overflow: hidden;
  margin-bottom: 16px;
}
.str-bar i {
  display: block;
  height: 100%;
  width: var(--w);
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), #5B8DFF);
  animation: grow 1.2s var(--ease) both;
}
.str-item:nth-child(odd) .str-bar i { background: linear-gradient(90deg, var(--gold), var(--gold-deep)); }
@keyframes grow { from { width: 0; } }
.str-item p { font-size: 14.5px; color: var(--ink-2); line-height: 1.9; }

.str-summary {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  border-radius: var(--radius);
  padding: 44px 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.str-summary::before {
  content: "";
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(245, 185, 58, 0.12);
  filter: blur(70px);
  top: -100px; right: -60px;
}
.str-summary h3 {
  font-size: 21px;
  font-weight: 800;
  margin-bottom: 18px;
  color: var(--gold-light);
  letter-spacing: 1px;
  position: relative;
}
.str-summary p {
  font-size: 16px;
  color: #D3DCEE;
  line-height: 2.15;
  position: relative;
}
.str-summary strong { color: #fff; font-weight: 700; }

/* ---------------- 招聘 ---------------- */
.career-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  padding: 52px 54px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.career-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--gold), var(--green));
}
.career-left h2 { font-size: 32px; font-weight: 800; color: var(--navy-800); margin-bottom: 16px; }
.career-left p { font-size: 15px; color: var(--ink-2); line-height: 1.95; }

.job-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.job-top h3 { font-size: 22px; font-weight: 800; color: var(--navy-800); }
.job-tag {
  font-size: 13px;
  color: var(--gold-deep);
  background: rgba(245, 185, 58, 0.15);
  border: 1px solid rgba(245, 185, 58, 0.35);
  padding: 5px 14px;
  border-radius: 999px;
  font-weight: 600;
}
.job-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.job-meta span {
  font-size: 14px;
  color: var(--ink-2);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 8px 16px;
  border-radius: 8px;
}
.job-meta b { color: var(--navy-700); margin-right: 4px; }
.job-desc { font-size: 14.5px; color: var(--ink-2); line-height: 2; margin-bottom: 24px; }

/* ---------------- 联系我们 ---------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 26px 28px;
  transition: all 0.35s var(--ease);
}
.contact-card:hover { transform: translateX(4px); box-shadow: var(--shadow-md); border-color: rgba(30, 94, 255, 0.35); }
.c-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.contact-card b { display: block; font-size: 16px; color: var(--navy-800); margin-bottom: 6px; }
.contact-card p { font-size: 15px; color: var(--ink-2); line-height: 1.85; }
.contact-card a { color: var(--blue); font-weight: 600; }
.contact-card a:hover { text-decoration: underline; }

.contact-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 42px 40px;
}
.contact-form h3 { font-size: 21px; font-weight: 800; color: var(--navy-800); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 8px;
}
.form-group input, .form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--bg-soft);
  transition: all 0.3s;
  resize: vertical;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(30, 94, 255, 0.1);
}
.form-group input.invalid, .form-group textarea.invalid {
  border-color: var(--red);
  box-shadow: 0 0 0 4px rgba(226, 82, 60, 0.1);
}
.form-tip { font-size: 13px; color: var(--ink-3); margin-top: 16px; text-align: center; }

/* ---------------- 页脚 ---------------- */
.site-footer {
  background: var(--navy-900);
  color: #8FA0BF;
  padding: 56px 0 32px;
}
.footer-inner { display: flex; flex-direction: column; gap: 34px; }
.footer-brand { display: flex; gap: 16px; align-items: center; }
.footer-brand strong { font-size: 17px; color: #fff; font-weight: 700; display: block; margin-bottom: 6px; }
.footer-brand p { font-size: 14px; color: #8E9BB8; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-links a { font-size: 14.5px; color: #B4C0DA; transition: color 0.3s; }
.footer-links a:hover { color: var(--gold); }
.footer-copy p { font-size: 13.5px; line-height: 2; color: #7E8BA8; }

/* ---------------- 返回顶部 ---------------- */
.back-top {
  position: fixed;
  right: 26px;
  bottom: 30px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(14px) saturate(1.5);
  backdrop-filter: blur(14px) saturate(1.5);
  box-shadow: 0 10px 28px rgba(11, 29, 58, 0.16);
  color: var(--navy-700);
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: all 0.4s var(--ease);
  z-index: 90;
}
.back-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-top:hover {
  background: var(--gold);
  border-color: transparent;
  color: var(--navy-900);
  transform: translateY(-3px);
}
.back-top:active { transform: translateY(0) scale(0.94); }

/* ---------------- 滚动显现动画 ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 0.12s; }
.reveal[data-delay="2"] { transition-delay: 0.24s; }
.reveal[data-delay="3"] { transition-delay: 0.36s; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-card { position: static; }
  .stats-inner { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .comp-grid { grid-template-columns: repeat(2, 1fr); }
  .syn-grid { grid-template-columns: 1fr; gap: 24px; }
  .syn-link { flex-direction: row; }
  .syn-link span { writing-mode: initial; letter-spacing: 2px; }
  .gov-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .career-card { grid-template-columns: 1fr; padding: 40px 32px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0; right: 0;
    flex-direction: column;
    gap: 4px;
    background: rgba(255, 255, 255, 0.96);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    padding: 18px 22px 26px;
    box-shadow: 0 24px 50px rgba(11, 29, 58, 0.18);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s var(--ease);
    border-bottom: 1px solid var(--line);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav .nav-link {
    color: var(--ink-2);
    font-size: 16.5px;
    padding: 14px 16px;
    border-radius: 10px;
  }
  .main-nav .nav-link:hover { background: var(--bg-soft); color: var(--blue); }
  .nav-toggle { display: flex; }

  .hero-inner { padding: 120px 0 70px; }
  .hero-stats { flex-wrap: wrap; }
  .hero-stat { flex: 1 1 45%; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
  .hero-stat:nth-child(even) { border-right: none; }
  .hero-cta .btn { width: 100%; }
  .hero-scroll { display: none; }
  .back-top { right: 16px; bottom: 20px; width: 44px; height: 44px; }

  .about-points { grid-template-columns: 1fr; }
  .qual-grid { grid-template-columns: 1fr; }
  .biz-grid { grid-template-columns: 1fr; }
  .comp-grid { grid-template-columns: 1fr; }
  .str-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .share-chart { flex-direction: column; align-items: flex-start; }
  .donut { align-self: center; }
  .share-legend { width: 100%; }
  .syn-flow { flex-direction: column; align-items: stretch; }
  .flow-arrow { transform: rotate(90deg); justify-content: center; padding: 8px 0; }
  .flow-step { max-width: none; }
  .form-row { grid-template-columns: 1fr; }
  .str-summary { padding: 34px 28px; }
  .career-card { padding: 36px 24px; }
  .contact-form { padding: 32px 26px; }
  .qual-note { padding: 20px 22px; }
  .footer-inner { gap: 26px; }
}

@media (max-width: 420px) {
  .hero-stat strong { font-size: 32px; }
  .hero-title { letter-spacing: 1px; }
  .brand-text small { display: none; }
  :root { --fs-title: 26px; }
}

/* ---------------- 无障碍与细节 ---------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}