/* ============================================================
   YuePower 越能 · 企业官网样式系统
   品牌五色：深蓝 #0B2C6F / 电光青 #00C2FF / 光浅蓝 #9FC3E8
             板岩灰 #6B7A94 / 墨蓝 #16223B（深底正文 #E6EEF9）
   页面基调：浅色（配合交付包正向 Logo：深蓝主干 + 电光青笔画，
   避免深蓝 Logo 与深蓝底重色）；数据/业务核心区保留深色
   卡片与深色板块，形成明暗节奏。
   ============================================================ */

:root {
  --navy: #0B2C6F;
  --ink: #16223B;
  --cyan: #00C2FF;
  --sky: #9FC3E8;
  --slate: #6B7A94;
  --body-on-dark: #E6EEF9;
  --white: #FFFFFF;

  /* 浅色基调（承载正向 Logo 与浅底文字） */
  --bg-light: #F6F9FE;
  --cyan-ink: #0092CC;          /* 浅底上的可读电光青 */
  --blue-mute: #4A6FA8;         /* 浅底次级蓝灰 */
  --text-main: #16223B;         /* 浅底正文（墨蓝） */
  --text-sub: #445571;          /* 浅底次级正文 */

  --surface: rgba(230, 238, 249, 0.05);
  --surface-strong: rgba(230, 238, 249, 0.08);
  --line: rgba(159, 195, 232, 0.20);
  --line-soft: rgba(159, 195, 232, 0.12);
  --line-on-light: rgba(11, 44, 111, 0.14);

  --radius: 16px;
  --radius-sm: 10px;
  --container: 1180px;
  --nav-h: 72px;

  --font: "MiSans VF", "MiSans", "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  --shadow-card: 0 18px 44px rgba(11, 44, 111, 0.16);
  --ease: cubic-bezier(0.22, 0.8, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-light);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }

::selection { background: var(--cyan); color: var(--navy); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(11, 44, 111, 0.08);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.nav.scrolled { background: rgba(255, 255, 255, 0.96); box-shadow: 0 10px 30px rgba(11, 44, 111, 0.10); }
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { height: 34px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links > a:not(.btn) {
  font-size: 15.5px; font-weight: 500; color: var(--blue-mute); letter-spacing: 0.04em;
  position: relative; padding: 6px 0; transition: color 0.25s;
}
.nav-links > a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--cyan-ink); border-radius: 2px; transition: width 0.3s var(--ease);
}
.nav-links > a:not(.btn):hover, .nav-links > a:not(.btn).active { color: var(--navy); }
.nav-links > a:not(.btn).active::after, .nav-links > a:not(.btn):hover::after { width: 100%; }
.nav-cta { margin-left: 6px; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: 0.3s var(--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); }

/* ---------- 按钮 ---------- */
.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: 0.06em; border: 1px solid transparent; cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s, color 0.25s;
}
.btn-primary { background: var(--cyan); color: var(--navy); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0, 194, 255, 0.32); }
.btn-ghost { border-color: var(--sky); color: var(--sky); background: transparent; }
.btn-ghost:hover { border-color: var(--white); color: var(--white); transform: translateY(-2px); }
.btn-sm { padding: 9px 22px; font-size: 14px; }

/* ---------- 通用板块 ---------- */
.section { padding: 96px 0; position: relative; }
.section-tight { padding: 72px 0; }
.bg-ink { background: var(--ink); }
.bg-navy { background: var(--navy); }

.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--cyan-ink); font-size: 13px; font-weight: 600;
  letter-spacing: 0.32em; text-transform: uppercase; margin-bottom: 18px;
}
.kicker::before { content: ""; width: 28px; height: 2px; background: var(--cyan-ink); border-radius: 2px; }

.section-title { font-size: 38px; font-weight: 700; color: var(--navy); line-height: 1.32; letter-spacing: 0.02em; text-wrap: balance; }
.nw { white-space: nowrap; }
.m-br { display: none; }
p, .meaning-list li, .timeline li { text-wrap: pretty; }
.section-lead { margin-top: 14px; color: var(--text-sub); font-size: 18px; max-width: 640px; }
.section-head { margin-bottom: 52px; }

/* 深色板块内恢复深底配色 */
.bg-ink .kicker, .bg-navy .kicker, .cta-band .kicker { color: var(--cyan); }
.bg-ink .kicker::before, .bg-navy .kicker::before, .cta-band .kicker::before { background: var(--cyan); }
.bg-ink .section-title, .bg-navy .section-title, .cta-band .section-title { color: var(--white); }
.bg-ink .section-lead, .bg-navy .section-lead, .cta-band .section-lead { color: var(--sky); }

/* ---------- Hero（首页） ---------- */
.hero {
  /* 首屏完整呈现：导航 + hero + 指标带（约170px）一起装进 100vh，指标不再被折叠线裁切 */
  min-height: calc(100vh - var(--nav-h) - 200px); display: flex; align-items: center;
  padding: calc(var(--nav-h) + 60px) 0 46px;
  background:
    radial-gradient(circle 480px at 82% 44%, rgba(0, 194, 255, 0.10), transparent 68%),
    radial-gradient(ellipse 55% 60% at 12% 18%, rgba(159, 195, 232, 0.25), transparent 65%),
    radial-gradient(ellipse 50% 55% at 6% 92%, rgba(11, 44, 111, 0.05), transparent 70%),
    linear-gradient(165deg, #FFFFFF 0%, #F3F8FD 52%, #E8F1FA 100%);
  position: relative; overflow: hidden;
}
.hero-mark {
  position: absolute; right: -70px; --mark-top: 58%; top: var(--mark-top);
  width: 560px; opacity: 0.93; pointer-events: auto; cursor: pointer;
}
.hero-arcs { position: absolute; left: 0; right: 0; bottom: -2px; width: 100%; pointer-events: none; }
.hero-content { position: relative; z-index: 2; max-width: 720px; }

.hero-kicker {
  display: inline-flex; align-items: center; gap: 12px;
  border: 1px solid var(--line-on-light); border-radius: 999px; padding: 8px 18px;
  color: var(--blue-mute); font-size: 13.5px; letter-spacing: 0.18em; margin-bottom: 30px;
  background: rgba(255, 255, 255, 0.6);
}
.hero-kicker .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); animation: pulse 2.2s infinite; }
.hero h1 {
  font-size: clamp(44px, 7vw, 74px); line-height: 1.16; font-weight: 700;
  color: var(--navy); letter-spacing: 0.02em;
}
.hero h1 .accent { color: var(--cyan-ink); }
.hero-en {
  margin-top: 16px; font-size: clamp(14px, 1.9vw, 18px); font-weight: 600;
  letter-spacing: 0.3em; color: var(--blue-mute); text-transform: uppercase;
}
.hero-sub { margin-top: 22px; font-size: 19px; font-weight: 500; color: var(--text-sub); max-width: none; white-space: nowrap; opacity: 0.95; }
.hero-cta { margin-top: 44px; display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- 页内 Hero（内页） ---------- */
.page-hero {
  padding: calc(var(--nav-h) + 84px) 0 72px;
  background:
    radial-gradient(ellipse 55% 80% at 85% 15%, rgba(0, 194, 255, 0.10), transparent 60%),
    radial-gradient(ellipse 45% 60% at 8% 100%, rgba(159, 195, 232, 0.18), transparent 65%),
    linear-gradient(180deg, #FFFFFF 0%, #EDF4FB 100%);
  position: relative; overflow: hidden;
}
.page-hero-mark { position: absolute; right: -40px; bottom: -60px; width: 340px; opacity: 0.92; pointer-events: none; }
.page-hero .section-title { font-size: clamp(36px, 5vw, 52px); }
.page-hero .hero-en { margin-top: 10px; }
.page-hero p.lead { margin-top: 18px; color: var(--text-sub); font-size: 17px; max-width: 620px; }

/* ---------- 指标带（浅底直排：数值直接展示在页面浅色背景上） ---------- */
.metrics { position: relative; z-index: 5; padding: 30px 0 26px; }
.metrics-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  background: transparent; border: 0; padding: 10px 20px 4px;
}
.stat { text-align: center; position: relative; }
.stat + .stat::before {
  content: ""; position: absolute; left: -10px; top: 12%; height: 76%;
  border-left: 1px solid var(--line-on-light);
}
.stat-num { font-size: clamp(36px, 3.8vw, 50px); font-weight: 700; color: var(--cyan-ink); line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat-num .suffix { font-size: 0.52em; font-weight: 600; margin-left: 2px; }
.stat-label { margin-top: 10px; color: var(--navy); font-size: 15px; font-weight: 600; letter-spacing: 0.08em; }
.stat-en { display: block; margin-top: 2px; font-size: 11px; color: var(--slate); letter-spacing: 0.18em; white-space: nowrap; }

.data-meta {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  margin-top: 14px; color: var(--blue-mute); font-size: 13px; letter-spacing: 0.05em; flex-wrap: wrap;
}
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); animation: pulse 2.2s infinite; flex: none; }
.chip-demo {
  border: 1px dashed var(--line-on-light); border-radius: 999px; padding: 3px 12px;
  font-size: 12px; color: var(--blue-mute); opacity: 0.9;
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 34px 30px;
  transition: transform 0.35s var(--ease), border-color 0.35s, background 0.35s;
}
.card:hover { transform: translateY(-6px); border-color: var(--line); background: var(--surface-strong); }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: rgba(0, 194, 255, 0.10); border: 1px solid rgba(0, 194, 255, 0.28); margin-bottom: 22px;
}
.card-icon svg { width: 26px; height: 26px; stroke: var(--cyan); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 21px; color: var(--white); margin-bottom: 12px; font-weight: 700; }
.card-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.card-head .card-icon { margin-bottom: 0; flex: none; }
.card-head h3 { margin-bottom: 0; }
.card p { color: var(--body-on-dark); opacity: 0.92; font-size: 15.5px; line-height: 1.9; }
.card .card-tag { display: inline-block; margin-top: 16px; color: var(--cyan); font-size: 12.5px; letter-spacing: 0.22em; text-transform: uppercase; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ---------- 业务模式（三方共生） ---------- */
.biz-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: stretch; }
/* 左列两张卡等高填满，与右侧图解总高度对齐 */
.biz-col { display: flex; flex-direction: column; gap: 22px; }
.biz-col .card { flex: 1; display: flex; flex-direction: column; justify-content: center; margin-bottom: 0 !important; }
.biz-diagram {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-card);
}
.biz-diagram svg { width: 100%; height: auto; }
.biz-points { margin-top: 30px; display: grid; gap: 14px; }
.biz-point { display: flex; gap: 14px; align-items: flex-start; }
.biz-point .idx {
  flex: none; width: 30px; height: 30px; border-radius: 50%; border: 1px solid rgba(0, 194, 255, 0.45);
  color: var(--cyan); font-size: 13px; display: flex; align-items: center; justify-content: center; font-weight: 600;
}
.biz-point p { font-size: 15px; color: var(--body-on-dark); opacity: 0.9; }
.biz-point strong { color: var(--white); }

/* ---------- 合作伙伴墙 ---------- */
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.partner-tile {
  height: 108px; border: 1.5px dashed var(--line); border-radius: var(--radius-sm);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  color: var(--slate); font-size: 13px; letter-spacing: 0.1em;
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}
.partner-tile svg { width: 30px; height: 30px; stroke: currentColor; fill: none; stroke-width: 1.5; opacity: 0.7; }
.partner-tile:hover { border-color: rgba(0, 194, 255, 0.5); color: var(--sky); background: rgba(0, 194, 255, 0.04); }
.partner-note { margin-top: 26px; text-align: center; color: var(--sky); font-size: 14px; opacity: 0.85; }

/* 真实 Logo 双层跑马灯墙（上层主机厂正向滚，下层平台反向滚） */
.partner-group-label {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  margin: 34px 0 14px; color: var(--sky); font-size: 13px; font-weight: 600;
  letter-spacing: 0.24em; text-transform: uppercase;
}
.partner-group-label:first-child { margin-top: 0; }
.partner-group-label::before, .partner-group-label::after {
  content: ""; width: 34px; height: 1px; background: var(--line); flex: none;
}
.partner-marquee {
  overflow: hidden; position: relative; padding: 8px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.partner-track { display: flex; align-items: center; width: max-content; animation: marquee 36s linear infinite; }
.partner-track.reverse { animation-direction: reverse; }
.partner-marquee:hover .partner-track { animation-play-state: paused; }
.partner-marquee + .partner-group-label { margin-top: 26px; }
@keyframes marquee { to { transform: translateX(-50%); } }
.partner-logo-tile {
  background: var(--white); border-radius: 14px; height: 96px; min-width: 190px;
  padding: 0 32px; margin-right: 20px; display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.partner-logo-tile:hover { transform: translateY(-4px) scale(1.03); box-shadow: 0 14px 32px rgba(0, 194, 255, 0.18); }
.partner-logo-tile img { max-height: 56px; max-width: 160px; object-fit: contain; }

/* 悬浮咨询 + 返回顶部 + 滚动进度 */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: linear-gradient(90deg, var(--cyan), #4FB8F5); z-index: 210; border-radius: 0 3px 3px 0; }
.fab-contact { position: fixed; right: 26px; bottom: 26px; z-index: 160; text-align: right; }
.fab-btn {
  width: 58px; height: 58px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--cyan); color: var(--navy); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 34px rgba(0, 194, 255, 0.4); transition: transform 0.3s var(--ease), box-shadow 0.3s;
  animation: fabpulse 2.6s infinite;
}
.fab-btn:hover { transform: translateY(-3px) scale(1.06); }
.fab-btn svg { width: 26px; height: 26px; stroke: var(--navy); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
@keyframes fabpulse { 0%, 100% { box-shadow: 0 14px 34px rgba(0, 194, 255, 0.4), 0 0 0 0 rgba(0, 194, 255, 0.35); } 60% { box-shadow: 0 14px 34px rgba(0, 194, 255, 0.4), 0 0 0 14px rgba(0, 194, 255, 0); } }
.fab-panel {
  position: absolute; right: 0; bottom: 72px; min-width: 240px;
  background: var(--ink); border: 1px solid rgba(0, 194, 255, 0.35); border-radius: 14px;
  padding: 18px 20px; box-shadow: var(--shadow-card);
  opacity: 0; transform: translateY(10px); pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease); text-align: left;
}
.fab-contact.open .fab-panel, .fab-contact:hover .fab-panel { opacity: 1; transform: none; pointer-events: auto; }
.fab-panel h5 { color: var(--white); font-size: 15px; margin-bottom: 10px; }
.fab-panel a { display: flex; align-items: center; gap: 10px; color: var(--body-on-dark); font-size: 14.5px; padding: 6px 0; transition: color 0.2s; }
.fab-panel a:hover { color: var(--cyan); }
.fab-panel a svg { width: 16px; height: 16px; stroke: var(--cyan); fill: none; stroke-width: 1.8; flex: none; }
.fab-panel .fab-tip { margin-top: 8px; color: var(--slate); font-size: 12.5px; }
.to-top {
  position: fixed; right: 32px; bottom: 100px; z-index: 159; width: 46px; height: 46px;
  border-radius: 50%; border: 1px solid var(--line); background: rgba(11, 44, 111, 0.85);
  color: var(--sky); cursor: pointer; display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s var(--ease), border-color 0.3s, color 0.3s;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { border-color: var(--cyan); color: var(--cyan); }
.to-top svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* 卡片跟随光效 */
.card { position: relative; overflow: hidden; }
.card::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity 0.35s; pointer-events: none;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 50%), rgba(0, 194, 255, 0.14), transparent 65%);
}
.card:hover::before { opacity: 1; }

/* 业务图解交互 */
.biz-diagram g.node { cursor: pointer; transition: transform 0.35s var(--ease); transform-box: fill-box; transform-origin: center; }
.biz-diagram g.node:hover { transform: scale(1.06); }
.biz-diagram g.node:hover rect { stroke: var(--cyan); }

/* ---------- 品牌释义 ---------- */
.meaning-layout { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.meaning-card {
  background: #F6F9FE; border-radius: var(--radius); padding: 8px 6px 4px;
  box-shadow: var(--shadow-card);
}
.meaning-card img { border-radius: calc(var(--radius) - 6px); width: 100%; height: auto; display: block; aspect-ratio: 680 / 316; background: #F6F9FE; pointer-events: none; }
.meaning-list { margin-top: 26px; display: grid; gap: 14px; }
.meaning-list li { display: flex; gap: 12px; color: var(--body-on-dark); font-size: 15.5px; opacity: 0.92; }
.meaning-list .k { color: var(--cyan); font-weight: 600; flex: none; }
.meaning-list .k i { font-style: normal; font-weight: 600; font-size: 11px; letter-spacing: 0.14em; opacity: 0.72; margin-left: 7px; }

/* ---------- 时间线 ---------- */
.timeline { position: relative; margin-top: 12px; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(var(--cyan), rgba(0, 194, 255, 0.08)); border-radius: 2px;
}
.tl-item { position: relative; padding: 0 0 38px 22px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -34px; top: 7px; width: 18px; height: 18px;
  border-radius: 50%; background: var(--navy); border: 2px solid var(--cyan);
  box-shadow: 0 0 0 5px rgba(0, 194, 255, 0.12);
}
.tl-year { color: var(--cyan); font-weight: 700; font-size: 18px; letter-spacing: 0.06em; font-variant-numeric: tabular-nums; }
.tl-item h4 { color: var(--white); font-size: 17px; margin: 6px 0 6px; font-weight: 600; }
.tl-item p { color: var(--body-on-dark); opacity: 0.82; font-size: 15px; max-width: 560px; }
.tbd-note { margin-top: 26px; color: var(--slate); font-size: 13px; }

/* ---------- 公司规模页 ---------- */
.stat-hero-card {
  /* 与下方四张统计卡同族的半透明玻璃底，仅以尺寸与青光晕区分层级，避免深色实底大块 */
  background:
    radial-gradient(ellipse 60% 140% at 85% 0%, rgba(0, 194, 255, 0.10), transparent 62%),
    var(--surface);
  border: 1px solid var(--line-soft); border-radius: 20px;
  padding: 48px 48px 44px; text-align: center;
}
.stat-hero-label { color: var(--sky); font-size: 15px; letter-spacing: 0.3em; }
.stat-hero-num {
  margin-top: 14px; font-size: clamp(72px, 12vw, 132px); font-weight: 700;
  color: var(--cyan); line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: 0.01em;
}
.stat-hero-num .suffix { font-size: 0.34em; color: var(--white); font-weight: 600; margin-left: 6px; }
.stat-hero-sub { margin-top: 16px; color: var(--body-on-dark); opacity: 0.85; font-size: 15.5px; }

.scale-sub { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 24px; }
.scale-sub .stat { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 34px 20px; }
.scale-sub .stat::before { display: none; }

/* 深色区里的指标（浅底直排配色的反向覆盖，保证深底可读） */
.bg-navy .stat-num, .bg-ink .stat-num { color: var(--cyan); }
.bg-navy .stat-label, .bg-ink .stat-label { color: var(--sky); font-weight: 500; }
.bg-navy .stat-en, .bg-ink .stat-en { color: var(--slate); }
.bg-navy .stat + .stat::before, .bg-ink .stat + .stat::before { border-left-color: var(--line-soft); }

.region-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }

.region-card {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 30px 26px; transition: transform 0.3s var(--ease), border-color 0.3s;
}
.region-card:hover { transform: translateY(-5px); border-color: var(--line); }
.region-name { color: var(--white); font-size: 18px; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.region-name .bar { width: 4px; height: 18px; background: var(--cyan); border-radius: 2px; }
.region-num { margin-top: 14px; font-size: 34px; font-weight: 700; color: var(--cyan); font-variant-numeric: tabular-nums; }
.region-num .suffix { font-size: 15px; color: var(--white); font-weight: 500; margin-left: 4px; }
.region-desc { margin-top: 8px; color: var(--sky); font-size: 13.5px; opacity: 0.85; }

/* 城市场站分布 */
.city-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.city-card {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 24px 20px; transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.city-card:hover { transform: translateY(-4px); border-color: var(--line); }
.city-card.featured { background: rgba(0, 194, 255, 0.08); border-color: rgba(0, 194, 255, 0.35); }
.city-name { color: var(--sky); font-size: 14.5px; display: flex; align-items: center; gap: 8px; }
.city-name .bar { width: 3px; height: 14px; background: var(--cyan); border-radius: 2px; flex: none; }
.city-num { margin-top: 10px; font-size: 30px; font-weight: 700; color: var(--cyan); font-variant-numeric: tabular-nums; }
.city-num .suffix { font-size: 14px; color: var(--white); font-weight: 500; margin-left: 3px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 44px; align-items: start; }
.contact-card {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 26px; margin-bottom: 18px; transition: border-color 0.3s, background 0.3s;
}
.contact-card:hover { border-color: var(--line); background: var(--surface-strong); }
.contact-card .c-icon {
  flex: none; width: 46px; height: 46px; border-radius: 12px;
  background: rgba(0, 194, 255, 0.10); border: 1px solid rgba(0, 194, 255, 0.28);
  display: flex; align-items: center; justify-content: center;
}
.contact-card .c-icon svg { width: 22px; height: 22px; stroke: var(--cyan); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.contact-card h4 { color: var(--white); font-size: 16px; margin-bottom: 4px; }
.contact-card p { color: var(--body-on-dark); font-size: 15px; opacity: 0.88; }
.contact-card .pending { color: var(--sky); font-size: 13px; opacity: 0.75; margin-left: 8px; }

.form-card { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 40px 38px; }
.form-card h3 { color: var(--white); font-size: 22px; margin-bottom: 26px; font-weight: 600; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; color: var(--sky); font-size: 13.5px; margin-bottom: 8px; letter-spacing: 0.06em; }
.form-group label .req { color: var(--cyan); margin-left: 4px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; background: rgba(22, 34, 59, 0.65); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 13px 16px; color: var(--white);
  font-size: 15px; font-family: var(--font); transition: border-color 0.25s, box-shadow 0.25s;
}
.form-group select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--sky) 50%), linear-gradient(135deg, var(--sky) 50%, transparent 50%); background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(159, 195, 232, 0.45); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.15);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-submit { width: 100%; margin-top: 8px; }
.form-submit:disabled { opacity: 0.65; cursor: wait; }
.form-tip { margin-top: 14px; text-align: center; color: var(--slate); font-size: 13px; }

.steps { margin-top: 34px; display: grid; gap: 16px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step .s-idx {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  background: rgba(0, 194, 255, 0.12); border: 1px solid rgba(0, 194, 255, 0.4);
  color: var(--cyan); font-weight: 700; font-size: 14px; display: flex; align-items: center; justify-content: center;
}
.step h5 { color: var(--white); font-size: 15.5px; font-weight: 600; }
.step p { color: var(--sky); font-size: 13.5px; opacity: 0.85; margin-top: 2px; }

/* ---------- CTA 带（海上风电实景 + 深蓝叠加） ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 60% 100% at 50% 125%, rgba(0, 194, 255, 0.16), transparent 60%),
    linear-gradient(rgba(10, 30, 72, 0.86), rgba(11, 44, 111, 0.92)),
    url("../img/wind-farm.jpg") center 42% / cover no-repeat;
  border-top: 1px solid rgba(159, 195, 232, 0.18);
  text-align: center; padding: 88px 0;
}
.cta-band h2 { color: var(--white); font-size: clamp(26px, 4vw, 38px); font-weight: 700; }
.cta-band h2 .accent { color: var(--cyan); }
.cta-band p { margin-top: 14px; color: var(--sky); font-size: 16.5px; }
.cta-band .hero-cta { justify-content: center; margin-top: 36px; }

/* 电话直显 */
.call-hint { display: inline-flex; align-items: center; gap: 10px; color: var(--sky); font-size: 16.5px; }
.call-hint svg { width: 19px; height: 19px; stroke: var(--cyan); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.call-hint strong { color: var(--white); font-weight: 600; letter-spacing: 0.05em; font-variant-numeric: tabular-nums; transition: color 0.2s; }
a.call-hint:hover strong { color: var(--cyan); }
.cta-band .call-hint { font-size: 18px; margin-top: 20px; justify-content: center; }

/* ---------- 页脚 ---------- */
.footer { background: linear-gradient(180deg, #FDFEFF 0%, #F1F6FC 100%); border-top: 1px solid rgba(11, 44, 111, 0.08); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 48px; padding-bottom: 52px; }
.footer-brand img { height: 44px; width: auto; }
.footer-brand p { margin-top: 16px; color: var(--blue-mute); font-size: 14.5px; max-width: 320px; }
.footer h5 { color: var(--navy); font-size: 15px; letter-spacing: 0.14em; margin-bottom: 18px; font-weight: 600; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { color: var(--text-sub); font-size: 14.5px; opacity: 0.9; transition: color 0.25s, opacity 0.25s; }
.footer-links a:hover { color: var(--cyan-ink); opacity: 1; }
.footer-contact li { color: var(--text-sub); font-size: 14.5px; margin-bottom: 11px; display: flex; gap: 10px; }
.footer-contact a { color: inherit; transition: color 0.2s; }
.footer-contact a:hover { color: var(--cyan-ink); }
.footer-contact svg { flex: none; width: 17px; height: 17px; stroke: var(--cyan-ink); fill: none; stroke-width: 1.8; margin-top: 4px; }
.footer-bar { border-top: 1px solid rgba(11, 44, 111, 0.08); padding: 22px 28px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--slate); font-size: 13px; }
.footer-bar .icp { letter-spacing: 0.04em; }
.footer-bar .icp a { color: inherit; }
.footer-bar .icp a:hover { color: var(--cyan-ink); }

/* ---------- 动画 ---------- */
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(0, 194, 255, 0.45); } 55% { box-shadow: 0 0 0 9px rgba(0, 194, 255, 0); } }
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: top; } 56% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
@keyframes dashmove { to { stroke-dashoffset: -26; } }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.12s; }
.reveal[data-delay="2"] { transition-delay: 0.24s; }
.reveal[data-delay="3"] { transition-delay: 0.36s; }

.num-flash { animation: flash 0.9s var(--ease); }
@keyframes flash { 0% { color: var(--white); } 100% { color: var(--cyan); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 36px; transform: translate(-50%, 20px);
  background: var(--ink); color: var(--white); border: 1px solid rgba(0, 194, 255, 0.4);
  border-radius: 12px; padding: 14px 22px; font-size: 14.5px; z-index: 200;
  box-shadow: var(--shadow-card); opacity: 0; pointer-events: none;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease); max-width: min(88vw, 480px); text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .stat + .stat::before { display: none; }
  .grid-4, .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .biz-layout, .meaning-layout, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .region-grid { grid-template-columns: repeat(3, 1fr); }
  .city-grid { grid-template-columns: repeat(4, 1fr); }
  .hero-mark { width: 420px; right: -110px; }
  .scale-sub { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; align-items: stretch;
    background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(18px);
    padding: 18px 28px 26px; gap: 4px; border-bottom: 1px solid rgba(11, 44, 111, 0.08);
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: 0.3s var(--ease);
  }
  .nav.open .nav-links { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links > a { padding: 13px 4px; font-size: 16px; border-bottom: 1px solid var(--line-soft); }
  .nav-links > a::after { display: none; }
  .nav-cta { margin: 14px 0 0; justify-content: center; }
  .nav-toggle { display: block; }

  .metrics { padding: 22px 0 20px; }
  .metrics-grid { padding: 4px 8px 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .scale-sub { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .region-grid { grid-template-columns: repeat(2, 1fr); }
  .city-grid { grid-template-columns: repeat(3, 1fr); }
  .grid-4, .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-tile { height: 88px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bar { flex-direction: column; align-items: flex-start; }
  .fab-contact { right: 10px; bottom: 10px; }
  .fab-btn { width: 44px; height: 44px; }
  .fab-btn svg { width: 20px; height: 20px; }
  .to-top { right: 14px; bottom: 66px; width: 40px; height: 40px; }
  /* 口号与统计标签：单行不拆词 */
  .hero-en { font-size: 11px; letter-spacing: 0.16em; white-space: nowrap; }
  .stat-label { font-size: 13px; letter-spacing: 0.06em; }
  .stat-en { font-size: 9.5px; letter-spacing: 0.12em; }
  .m-br { display: inline; }
  .section-title { font-size: 28px; }
  .meaning-list.stacked li { flex-direction: column; gap: 5px; }
  .metrics { padding-bottom: 32px; }
  .scale-sub .stat { padding: 34px 16px 42px; }
  .footer-brand p { font-size: 13.5px; }
  .hero { min-height: 86vh; }
  .hero-sub { white-space: normal; font-size: 17px; }
  .hero-mark { width: 300px; right: -80px; opacity: 0.45; }
  .stat-hero-card { padding: 44px 24px; }
  .form-card { padding: 30px 22px; }
}

@media (max-width: 480px) {
  .grid-4, .partner-grid { grid-template-columns: 1fr 1fr; }
  .brand img { height: 28px; }
  .hero-cta .btn { width: 100%; }
}