/* ============================================================
   星瀚智慧能源 XINGHAN SMART ENERGY — 全局样式
   设计语言：纯白大背景 × 玻璃拟态 · Logo 蓝-白-黑-红色系
   ============================================================ */

:root {
  /* —— 背景：统一白色 —— */
  --bg: #ffffff;
  --ink: #0a1628;            /* 黑：深色文字 / 深色块 */
  --ink-2: #0d1c33;
  --ink-3: #12243f;
  /* —— 玻璃拟态 —— */
  --glass: rgba(255, 255, 255, 0.56);
  --glass-2: rgba(255, 255, 255, 0.72);
  --glass-3: rgba(255, 255, 255, 0.86);
  --g-border: rgba(13, 42, 95, 0.10);            /* 玻璃边：淡蓝黑 */
  --g-border-strong: rgba(13, 42, 95, 0.18);
  --shadow: 0 18px 50px -18px rgba(22, 68, 150, 0.18);
  --shadow-sm: 0 8px 26px -12px rgba(22, 68, 150, 0.20);
  /* —— Logo 主色 —— */
  --blue: #2e6bed;           /* 星瀚蓝 主强调 */
  --blue-bright: #3d7bff;
  --blue-deep: #1d4e9e;      /* 深蓝 */
  --blue-soft: rgba(46, 107, 237, 0.10);
  --red: #e63030;            /* Logo 红 辅助强调 */
  --red-soft: rgba(230, 48, 48, 0.10);
  --amber: #f59e0b;          /* 辅色：行业标签 */
  /* —— 文字 —— */
  --tx: #0a1628;             /* 主文字：近黑藏青 */
  --tx-dim: #5b6b82;         /* 次要文字 */
  --tx-faint: #93a0b4;
  --line: rgba(13, 42, 95, 0.09);
  /* —— 字体 —— */
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --ease: cubic-bezier(0.2, 0.65, 0.25, 1);
}

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--tx);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: clip; /* clip 不产生滚动容器，保证 sticky 递进生效 */
}

/* 固定的柔和色团：让玻璃模糊"有物可糊" */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(680px 460px at 8% -6%, rgba(46, 107, 237, 0.14), transparent 65%),
    radial-gradient(620px 420px at 96% 8%, rgba(61, 123, 255, 0.12), transparent 65%),
    radial-gradient(520px 380px at 12% 52%, rgba(230, 48, 48, 0.045), transparent 65%),
    radial-gradient(760px 520px at 92% 62%, rgba(29, 78, 158, 0.10), transparent 68%),
    radial-gradient(640px 440px at 50% 108%, rgba(46, 107, 237, 0.10), transparent 65%);
}

/* 极淡噪点，增加纸张质感 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  opacity: 0.02;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; }
[hidden] { display: none !important; }

::selection { background: var(--blue); color: #fff; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #fff; }
::-webkit-scrollbar-thumb { background: #c6d4ea; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue); }

.wrap { width: min(1200px, 92%); margin: 0 auto; }
.sec { padding: 110px 0; position: relative; background: transparent; }

/* 区块节拍：晕开式淡蓝色带（首尾透明渐变，与相邻区块无缝融合，不画硬边界） */
.sec-tint {
  background: linear-gradient(180deg, transparent, rgba(46, 107, 237, 0.05) 30%, rgba(46, 107, 237, 0.05) 70%, transparent);
}
/* 区块节拍：极淡色团点缀（不改变底色，仅打破纯白的单调） */
.sec-glow::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(560px 320px at 86% 10%, rgba(46, 107, 237, 0.08), transparent 65%),
    radial-gradient(430px 260px at 7% 88%, rgba(230, 48, 48, 0.04), transparent 65%);
}
/* 收紧衔接：头条/列表等相邻区块的半距 padding */
.sec-tight-b { padding-bottom: 48px; }
.sec-tight-t { padding-top: 48px; }
/* ---------- 通用文字组件 ---------- */
.mono-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 18px;
}
.mono-label i { width: 36px; height: 1px; background: var(--blue); flex: none; }

.sec-title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.28;
  letter-spacing: 0.02em;
}
.sec-title em {
  font-style: normal;
  color: var(--blue);
  position: relative;
  white-space: nowrap;
}
.sec-title em::after {
  content: "";
  position: absolute;
  left: -2%;
  bottom: 4px;
  width: 104%;
  height: 12px;
  background: var(--blue-soft);
  transform: skewX(-12deg);
  z-index: -1;
}
.sec-desc { color: var(--tx-dim); max-width: 560px; margin-top: 18px; }
.sec-head:not(.row-between) { position: relative; max-width: 780px; } /* 区块标题宽度约束（两端对齐布局除外） */
.row-between { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap; }

.text-link {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s var(--ease), color 0.3s;
  white-space: nowrap;
}
.text-link:hover { gap: 14px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.06em;
  padding: 15px 32px;
  border-radius: 3px;
  border: 1px solid var(--blue);
  cursor: pointer;
  transition: transform 0.35s var(--ease), box-shadow 0.35s, background 0.3s, color 0.3s;
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 16px 34px -10px rgba(46, 107, 237, 0.5); }
.btn svg { transition: transform 0.3s; }
.btn:hover svg { transform: translateX(4px); }

/* 幽灵按钮：深色描边 */
.btn-ghost {
  background: transparent;
  color: var(--tx);
  border: 1px solid rgba(10, 22, 40, 0.25);
}
.btn-ghost:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-soft);
  box-shadow: none;
}
/* 深色实心按钮（用于浅色区点缀） */
.btn-ink { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-ink:hover { box-shadow: 0 16px 32px -12px rgba(10, 22, 40, 0.55); }
.btn-sm { padding: 10px 22px; font-size: 14px; }
.btn-lg { padding: 17px 40px; font-size: 16px; }

/* ---------- 顶部导航：玻璃条 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0; /* 显式三向定位，兼容不支持 inset 简写的老 iOS/WebView */
  z-index: 1000;
  padding: 20px 0;
  transition: padding 0.4s var(--ease), background 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  padding: 12px 0;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom-color: var(--g-border);
  box-shadow: 0 6px 24px -16px rgba(22, 68, 150, 0.25);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 12px; }
/* logo.png 下半部带"星瀚慧能"文字，用 cover+top 裁掉文字只留图形 */
.brand-mark { width: 38px; height: 24px; flex: none; object-fit: cover; object-position: top; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-family: var(--serif); font-weight: 900; font-size: 18px; letter-spacing: 0.12em; color: var(--tx); }
.brand-text em { font-style: normal; font-family: var(--mono); font-size: 9px; letter-spacing: 0.3em; color: var(--tx-dim); }

/* —— 姊妹站互跳：品牌旁加入 Poplar Smart 白杨智慧 Logo（点击返回小白杨官网） —— */
.brand-group { display: inline-flex; align-items: center; gap: 14px; }
.brand-sister { display: inline-flex; align-items: center; flex: none; padding-left: 14px; border-left: 1px solid var(--g-border-strong); transition: opacity 0.25s; }
.brand-sister img { width: 40px; height: 40px; object-fit: contain; display: block; transition: transform 0.3s var(--ease); }
.brand-sister:hover { opacity: 0.88; }
.brand-sister:hover img { transform: scale(1.08) rotate(-3deg); }
@media (max-width: 760px) {
  .brand-group { gap: 10px; }
  .brand-sister { padding-left: 10px; }
  .brand-sister img { width: 32px; height: 32px; }
}

.main-nav { display: flex; align-items: center; gap: 34px; }
.nav-link {
  position: relative;
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--tx-dim);
  padding: 6px 2px;
  transition: color 0.3s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width 0.35s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--tx); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  background: var(--glass-2);
  border: 1px solid var(--g-border);
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  z-index: 1100;
  backdrop-filter: blur(8px);
}
.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 20px;
  height: 2px;
  background: var(--tx);
  transition: 0.35s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 16px; }
.nav-toggle span:nth-child(2) { top: 24px; }
body.nav-open .nav-toggle span:nth-child(1) { top: 20px; transform: rotate(45deg); background: var(--blue); }
body.nav-open .nav-toggle span:nth-child(2) { top: 20px; transform: rotate(-45deg); background: var(--blue); }

/* ---------- 递进层叠区：限制 sticky 生效范围，滚过后开屏图被正常推走，不再遮挡后续区块 ---------- */
.intro-stack { position: relative; z-index: 2; }

/* ---------- 开屏大图 ---------- */
.intro-hero {
  position: sticky; /* 开屏吸附固定，由下一屏白色页面向上推盖，形成递进翻页 */
  top: 0;
  z-index: 1;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.intro-bg { position: absolute; inset: 0; }
.intro-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: kenburns 18s ease-in-out infinite alternate; /* 缓慢推近，让大图"活"起来 */
}
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.08); } }
.intro-scroll {
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.intro-scroll span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--tx-dim);
}
.intro-scroll i {
  width: 1px;
  height: 52px;
  background: rgba(10, 22, 40, 0.18);
  position: relative;
  overflow: hidden;
}
.intro-scroll i::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--blue);
  animation: scrollDrop 1.8s var(--ease) infinite; /* 滚动提示：蓝线循环下落 */
}
@keyframes scrollDrop { to { top: 100%; } }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  z-index: 2; /* 叠在 sticky 开屏之上，形成推盖递进 */
  background: var(--bg); /* 实体白底，避免玻璃元素透出开屏大图 */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 170px 0 0;
  overflow: hidden;
}

/* 电网线路：浅底蓝线 */
.circuit { position: absolute; inset: 0; pointer-events: none; opacity: 0.95; }
.circuit svg { width: 100%; height: 100%; display: block; }
.circuit .base { fill: none; stroke: rgba(29, 78, 158, 0.12); stroke-width: 1; }
.circuit .flow {
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 60 1200;
  opacity: 0.8;
  animation: circuitFlow 8s linear infinite;
}
.circuit .flow.f2 { animation-duration: 11.5s; animation-delay: -3s; stroke: var(--red); }
.circuit .flow.f3 { animation-duration: 9.5s; animation-delay: -6s; opacity: 0.5; }
.circuit .node { fill: var(--blue); animation: nodeGlow 2.8s ease-in-out infinite; }
.circuit .node.n2 { fill: var(--red); animation-delay: -1s; }
.circuit .node.n3 { animation-delay: -1.8s; }
.circuit .node.n4 { animation-delay: -0.6s; }

@keyframes circuitFlow { to { stroke-dashoffset: -1260; } }
@keyframes nodeGlow { 0%, 100% { opacity: 0.9; } 50% { opacity: 0.25; } }

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 60px;
  padding-bottom: 70px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--tx-dim);
  margin-bottom: 26px;
}
.blink {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 12px rgba(46, 107, 237, 0.8);
  animation: liveBlink 1.6s ease-in-out infinite;
}
@keyframes liveBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

.hero-title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(2.8rem, 6.2vw, 4.8rem);
  line-height: 1.18;
  letter-spacing: 0.03em;
}
.hero-title .line { display: block; }
.hero-title em { font-style: normal; color: var(--blue); position: relative; }
.hero-title em::after {
  content: "";
  position: absolute;
  left: -2%;
  bottom: 6px;
  width: 104%;
  height: 14px;
  background: var(--blue-soft);
  transform: skewX(-12deg);
  z-index: -1;
}

.hero-sub { color: var(--tx-dim); max-width: 480px; margin: 28px 0 38px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero 视觉：玻璃相框 */
.hero-visual { position: relative; }
.hero-frame {
  position: relative;
  background: var(--glass);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  padding: 12px;
  transition: transform 0.25s ease-out;
}
.hero-frame img {
  width: 100%;
  aspect-ratio: 4 / 3.1;
  object-fit: cover;
  border-radius: 2px;
}
.frame-corner { position: absolute; width: 22px; height: 22px; border-color: var(--blue); border-style: solid; border-width: 0; z-index: 2; }
.frame-corner.c1 { top: -2px; left: -2px; border-top-width: 2px; border-left-width: 2px; }
.frame-corner.c2 { top: -2px; right: -2px; border-top-width: 2px; border-right-width: 2px; }
.frame-corner.c3 { bottom: -2px; left: -2px; border-bottom-width: 2px; border-left-width: 2px; }
.frame-corner.c4 { bottom: -2px; right: -2px; border-bottom-width: 2px; border-right-width: 2px; }

.hero-cap {
  margin-top: 14px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--tx-dim);
  text-align: right;
}

/* 数据浮窗：玻璃片 */
.chip {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  background: var(--glass-2);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
  animation: floaty 5.5s ease-in-out infinite alternate;
}
.chip b { display: block; font-size: 12px; font-weight: 500; color: var(--tx-dim); letter-spacing: 0.05em; }
.chip span { font-family: var(--mono); font-size: 17px; font-weight: 600; color: var(--blue); line-height: 1.3; }
.chip svg { width: 26px; height: 26px; stroke: var(--blue); fill: none; stroke-width: 1.6; flex: none; }
.chip-1 { top: 8%; left: -7%; }
.chip-2 { top: 42%; right: -6%; animation-delay: -2s; }
.chip-3 { bottom: 7%; left: 6%; animation-delay: -3.6s; }
.chip .live-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--red); box-shadow: 0 0 10px rgba(230,48,48,.8); animation: liveBlink 1.5s infinite; flex: none; }
@keyframes floaty { from { transform: translateY(-6px); } to { transform: translateY(8px); } }

/* ---------- 跑马灯：玻璃条 ---------- */
.ticker { border-top: 1px solid var(--g-border); border-bottom: 1px solid var(--g-border); background: var(--glass-2); backdrop-filter: blur(10px); overflow: hidden; }
.ticker-track { display: flex; align-items: center; width: max-content; animation: tickerMove 30s linear infinite; padding: 16px 0; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-track span {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.18em;
  color: var(--tx-dim);
  padding: 0 14px;
  white-space: nowrap;
  transition: color 0.3s;
}
.ticker-track span:hover { color: var(--blue); }
.ticker-track i { width: 7px; height: 7px; background: var(--blue); transform: rotate(45deg); flex: none; }
@keyframes tickerMove { to { transform: translateX(-50%); } }

/* ---------- 核心业务：玻璃卡片 ---------- */
.biz { overflow: hidden; }
.biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 56px; } /* 6 张系列卡 3×2 排布 */
.biz-card {
  position: relative;
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-sm);
  padding: 36px 28px 30px;
  overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.4s, box-shadow 0.45s;
}
.biz-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(46, 107, 237, 0.1), transparent 55%);
  opacity: 0;
  transition: opacity 0.45s;
}
.biz-card:hover { transform: translateY(-8px); border-color: rgba(46, 107, 237, 0.4); box-shadow: var(--shadow); }
.biz-card:hover::before { opacity: 1; }
.biz-num { font-family: var(--mono); font-size: 12px; color: var(--tx-dim); letter-spacing: 0.2em; }
.biz-icon { display: block; margin: 26px 0 20px; }
.biz-icon svg { width: 42px; height: 42px; stroke: var(--blue); fill: none; stroke-width: 1.5; transition: transform 0.4s var(--ease); }
.biz-card:hover .biz-icon svg { transform: scale(1.12) rotate(-4deg); }
.biz-card h3 { font-family: var(--serif); font-size: 21px; font-weight: 700; margin-bottom: 12px; }
.biz-card p { font-size: 14px; color: var(--tx-dim); line-height: 1.85; }
.biz-more {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--blue);
  opacity: 0;
  transform: translateY(6px);
  transition: 0.4s var(--ease);
}
.biz-card:hover .biz-more { opacity: 1; transform: none; }
.biz-card::after {
  content: attr(data-idx);
  position: absolute;
  right: 14px;
  bottom: -18px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 96px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(29, 78, 158, 0.1);
  pointer-events: none;
  transition: 0.45s;
}
.biz-card:hover::after { -webkit-text-stroke-color: rgba(46, 107, 237, 0.22); }

/* ========== 核心业务：6 条量产 + 1 条预留 层次化布局 ========== */
.biz-layout { margin-top: 56px; display: flex; flex-direction: column; gap: 18px; }
/* 量产区：左侧储能大卡，右侧五条横向卡 */
.biz-current { display: grid; grid-template-columns: 1.02fr 1.5fr; gap: 18px; }
/* ① 储能系统大卡：加深蓝色渐变以突出 */
.biz-feature { display: flex; flex-direction: column; background: linear-gradient(162deg, rgba(46,107,237,.13), var(--glass) 58%); border-color: rgba(46,107,237,.3); }
.biz-feature .biz-more { opacity: 1; transform: none; margin-top: auto; padding-top: 24px; }
/* ②③④⑥⑦ 横向五卡：原3行扩为5行适配新增EMS/储充 */
.biz-three { display: grid; grid-template-rows: repeat(5, 1fr); gap: 14px; }
.biz-h { display: flex; align-items: center; gap: 20px; padding: 18px 24px; }
.biz-h .biz-icon { margin: 0; flex-shrink: 0; }
.biz-h .biz-icon svg { width: 32px; height: 32px; }
.biz-h h3 { font-size: 17px; margin-bottom: 4px; }
.biz-h p { font-size: 12.5px; }
.biz-h::after { display: none; } /* 横卡不显示巨型水印数字 */
/* 预留产品线容器 */
.biz-reserved { border: 1px dashed rgba(29,78,158,.28); padding: 24px 24px 26px; background: rgba(29,78,158,.03); }
.reserved-head { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 11px; letter-spacing: .22em; color: var(--tx-dim); margin-bottom: 18px; }
.reserved-head i { width: 7px; height: 7px; background: var(--amber); border-radius: 50%; animation: dotBlink 1.8s infinite; }
@keyframes dotBlink { 50% { opacity: .25; } }
/* 预留区单卡：船舶与岸电（单列自适应容器宽度） */
.reserved-grid { display: grid; grid-template-columns: 1fr; gap: 16px; max-width: 480px; }
/* 预留卡：虚线边 + 琥珀色图标，区别于量产卡 */
.biz-r { background: rgba(255,255,255,.42); border: 1px dashed rgba(29,78,158,.32); padding: 22px 22px 20px; }
.biz-r::before, .biz-r::after { display: none; }
.biz-r .biz-icon { margin: 0 0 14px; }
.biz-r .biz-icon svg { width: 30px; height: 30px; stroke: var(--amber); }
.biz-r h3 { font-size: 16px; margin-bottom: 6px; }
.biz-r p { font-size: 13px; }
.biz-r:hover { transform: translateY(-4px); border-color: var(--amber); box-shadow: var(--shadow-sm); }
.biz-r:hover .biz-icon svg { transform: scale(1.12); }

/* ========== 解决方案页：三条预留方向面板 ========== */
.reserved-panel { margin-top: 42px; border: 1px dashed rgba(29,78,158,.28); padding: 28px 28px 30px; background: rgba(29,78,158,.03); }
.rs-card { position: relative; background: rgba(255,255,255,.5); border: 1px dashed rgba(29,78,158,.32); padding: 24px 22px; transition: transform .35s var(--ease), border-color .35s; }
.rs-card:hover { transform: translateY(-4px); border-color: var(--amber); }
.rs-idx { font-family: var(--mono); font-size: 12px; letter-spacing: .2em; color: var(--amber); }
.rs-card h3 { font-family: var(--serif); font-size: 17px; margin: 10px 0 8px; }
.rs-card p { font-size: 13px; color: var(--tx-dim); line-height: 1.8; }

/* ========== 产品中心：预留产品卡 ========== */
.pc-tag-r { background: rgba(245,158,11,.88); border-color: rgba(255,255,255,.4); } /* 琥珀色预留角标 */
.product-card.is-reserved { border-style: dashed; }
.product-card.is-reserved .pc-code { color: var(--amber); }
.product-card.is-reserved .pc-img img { filter: grayscale(.55) opacity(.78); } /* 预留图降饱和 */
.product-card.is-reserved:hover .pc-img img { filter: grayscale(.15) opacity(.95); }

/* ========== 6+1 布局响应式 ========== */
@media (max-width: 980px) {
  .biz-current { grid-template-columns: 1fr; }
  .biz-three { grid-template-rows: none; gap: 14px; }
  .reserved-grid { grid-template-columns: 1fr; max-width: none; }
}
@media (max-width: 560px) {
  .biz-h { flex-direction: column; align-items: flex-start; gap: 10px; }
}

/* ---------- 关于星瀚 ---------- */
.about::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(29, 78, 158, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 78, 158, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 70% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 40%, #000 30%, transparent 100%);
  pointer-events: none;
}
.about-grid { position: relative; display: grid; grid-template-columns: 1fr 1.08fr; gap: 70px; align-items: center; }
.about-img { position: relative; }
.about-img img { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; border-radius: 4px; box-shadow: var(--shadow); }
.about-img::before {
  content: "";
  position: absolute;
  inset: 22px -22px -22px 22px;
  border: 2px solid var(--blue-deep);
  border-radius: 4px;
  opacity: 0.3;
  z-index: -1;
}
.exp-badge {
  position: absolute;
  right: -20px;
  bottom: -26px;
  background: var(--ink);
  color: #fff;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-radius: 4px;
  box-shadow: 0 24px 50px -18px rgba(10, 22, 40, 0.5);
}
.exp-badge b { font-family: var(--serif); font-weight: 900; font-size: 40px; color: var(--blue-bright); line-height: 1; }
.exp-badge b span { font-size: 24px; }
.exp-badge > span { font-size: 13px; line-height: 1.5; letter-spacing: 0.08em; }
.about .sec-title { margin-top: 6px; }
.about-copy > p { color: var(--tx-dim); margin: 20px 0 26px; }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 26px; margin-bottom: 36px; }
.check-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; font-weight: 500; }
.check-list svg { width: 17px; height: 17px; stroke: var(--blue-deep); stroke-width: 2.4; fill: none; flex: none; margin-top: 5px; }

/* ---------- 解决方案精选：玻璃卡 ---------- */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 56px; }
.sol-card {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.4s, box-shadow 0.45s;
  display: flex;
  flex-direction: column;
}
.sol-card:hover { transform: translateY(-8px); border-color: rgba(46, 107, 237, 0.4); box-shadow: var(--shadow); }
.sol-card figure { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: #fff; }
/* 产品图含竖版图，cover 会裁掉设备主体；改 contain + 白底留白，保证图片完整显示 */
.sol-card figure img { width: 100%; height: 100%; object-fit: contain; padding: 18px; transition: transform 0.8s var(--ease); }
.sol-card:hover figure img { transform: scale(1.07); }
.sol-idx {
  position: absolute;
  top: 14px;
  left: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: #fff;
  background: var(--blue);
  padding: 5px 11px;
  border-radius: 2px;
}
.sol-body { padding: 26px 56px 30px 26px; position: relative; flex: 1; }
.sol-body h3 { font-family: var(--serif); font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.sol-body p { font-size: 14px; color: var(--tx-dim); }
.sol-arrow {
  position: absolute;
  right: 24px;
  bottom: 22px;
  font-family: var(--mono);
  font-size: 20px;
  color: var(--blue);
  transition: transform 0.35s var(--ease);
}
.sol-card:hover .sol-arrow { transform: translateX(6px); }

/* ---------- 新闻预览 ---------- */
.np-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 50px; margin-top: 56px; align-items: stretch; }
.np-feature { display: flex; flex-direction: column; }
.np-feature figure { overflow: hidden; aspect-ratio: 16 / 9; border-radius: 4px; box-shadow: var(--shadow-sm); }
.np-feature img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.np-feature:hover img { transform: scale(1.05); }
.np-body { padding-top: 24px; }
.np-meta { display: flex; align-items: center; gap: 14px; font-size: 12px; letter-spacing: 0.14em; color: var(--tx-dim); }
.np-meta i { font-style: normal; color: var(--blue-deep); border: 1px solid rgba(29, 78, 158, 0.35); padding: 3px 10px; border-radius: 2px; }
.np-feature h3 { font-family: var(--serif); font-size: clamp(1.25rem, 2vw, 1.6rem); font-weight: 900; line-height: 1.5; margin: 14px 0 10px; transition: color 0.3s; }
.np-feature:hover h3 { color: var(--blue); }
.np-feature p { font-size: 14px; color: var(--tx-dim); }

.np-list { display: flex; flex-direction: column; justify-content: center; }
.np-item {
  display: flex;
  gap: 26px;
  padding: 24px 10px;
  border-top: 1px solid var(--line);
  align-items: baseline;
  transition: background 0.3s, padding-left 0.3s var(--ease);
  border-radius: 3px;
}
.np-item:last-child { border-bottom: 1px solid var(--line); }
.np-item:hover { background: var(--glass-2); backdrop-filter: blur(8px); padding-left: 18px; }
.np-item time { font-family: var(--mono); font-size: 12px; color: var(--tx-dim); letter-spacing: 0.1em; flex: none; padding-top: 3px; }
.np-item h4 { font-size: 16px; font-weight: 700; line-height: 1.6; transition: color 0.3s; }
.np-item:hover h4 { color: var(--blue); }
.np-item span { display: inline-block; font-size: 12px; color: var(--tx-dim); margin-top: 6px; letter-spacing: 0.1em; }

/* ---------- CTA 横幅：白底玻璃 ---------- */
.cta-band { background: transparent; position: relative; overflow: hidden; } /* 无边线，靠色团与相邻区块无缝衔接 */
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 340px at 12% 20%, rgba(46, 107, 237, 0.12), transparent 65%),
    radial-gradient(560px 320px at 88% 80%, rgba(230, 48, 48, 0.07), transparent 65%);
  pointer-events: none;
}
.cta-inner { position: relative; padding: 96px 0 110px; text-align: center; }
.cta-band .mono-label { justify-content: center; }
.cta-title { font-family: var(--serif); font-weight: 900; font-size: clamp(1.9rem, 4.4vw, 3.2rem); line-height: 1.3; }
.cta-actions { margin-top: 36px; display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-band .btn.btn-ghost2 { background: transparent; color: var(--tx); border: 1px solid rgba(10, 22, 40, 0.3); }
.cta-band .btn.btn-ghost2:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); box-shadow: none; }
.cta-marquee { position: relative; border-top: 1px solid var(--g-border); overflow: hidden; }
.cm-track { display: flex; width: max-content; animation: tickerMove 26s linear infinite reverse; }
.cm-track span {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(44px, 7vw, 84px); /* 收敛字号，避免与页脚 ghost 大字连续重复压迫 */
  line-height: 1.15;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(29, 78, 158, 0.12);
  padding-right: 60px;
  letter-spacing: 0.04em;
}

/* ---------- 子页面 Hero ---------- */
.page-hero {
  position: relative;
  padding: 196px 0 88px; /* 底部收紧，与首个内容区衔接不留大空档 */
  overflow: hidden;
}
.page-hero + .sec { padding-top: 72px; } /* 子页 Hero → 内容区半距衔接 */
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(620px 380px at 18% 30%, rgba(46, 107, 237, 0.09), transparent 70%);
  pointer-events: none;
}
.crumb { font-family: var(--mono); font-size: 12px; letter-spacing: 0.3em; color: var(--tx-dim); margin-bottom: 22px; }
.crumb b { color: var(--blue); font-weight: 400; }
.page-title { font-family: var(--serif); font-weight: 900; font-size: clamp(2.5rem, 5.6vw, 4.2rem); line-height: 1.2; }
.page-desc { color: var(--tx-dim); max-width: 620px; margin-top: 22px; }
.ghost-word {
  position: absolute;
  right: -1.5%;
  bottom: -9%;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(7rem, 19vw, 17rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(46, 107, 237, 0.13);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

/* ---------- 产品中心 ---------- */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin: 54px 0 34px; }
.filter-btn {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--tx-dim);
  background: var(--glass-2);
  backdrop-filter: blur(8px);
  border: 1px solid var(--g-border);
  padding: 11px 22px;
  border-radius: 3px;
  cursor: pointer;
  transition: 0.3s;
}
.filter-btn:hover { color: var(--blue); border-color: rgba(46, 107, 237, 0.4); }
.filter-btn.active { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }

.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.45s var(--ease), border-color 0.4s, box-shadow 0.45s;
}
.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
  z-index: 2;
}
.product-card:hover { transform: translateY(-8px); border-color: rgba(46, 107, 237, 0.4); box-shadow: var(--shadow); }
.product-card:hover::before { transform: scaleX(1); }
.product-card.hide { display: none; }
.product-card.pop { animation: popIn 0.5s var(--ease) both; }
@keyframes popIn { from { opacity: 0; transform: scale(0.94) translateY(12px); } }
.pc-img { position: relative; overflow: hidden; aspect-ratio: 4 / 3; background: #f7f8fa; }
/* 产品图为白底实物照，用 contain 完整显示避免裁切 */
.pc-img img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.8s var(--ease); }
.product-card:hover .pc-img img { transform: scale(1.08); }
.pc-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #fff;
  background: rgba(10, 22, 40, 0.65);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 4px 10px;
  border-radius: 2px;
}
.pc-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.pc-code { font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em; color: var(--blue); }
.pc-body h3 { font-family: var(--serif); font-size: 19px; font-weight: 700; margin: 8px 0 16px; line-height: 1.45; }
.pc-model { font-family: var(--mono); font-size: 11px; color: var(--blue); line-height: 1.7; word-break: break-all; margin: -8px 0 12px; }
.pc-specs { border-top: 1px dashed rgba(29, 78, 158, 0.2); }
.pc-specs li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(29, 78, 158, 0.2);
  font-size: 12.5px;
}
.pc-specs li span { color: var(--tx-dim); }
.pc-specs li b { font-family: var(--mono); font-weight: 600; color: var(--tx); text-align: right; }
.pc-link {
  margin-top: auto;
  padding-top: 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s;
}
.pc-link:hover { gap: 13px; }

/* ---------- 解决方案页 ---------- */
.sol-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  padding: 70px 0;
  border-bottom: 1px solid var(--line);
}
.sol-row:first-child { padding-top: 20px; }
.sol-row:last-of-type { border-bottom: none; }
.sol-row.rev .sol-img { order: 2; }
.sol-row.rev .sol-info { order: 1; }
.sol-img { position: relative; }
/* UPS柜/充电桩等竖版产品图用 cover 会被裁切，改 contain + 白底留白，保证设备完整显示 */
.sol-img img { width: 100%; aspect-ratio: 16 / 10.5; object-fit: contain; background: #fff; padding: 26px; border-radius: 4px; box-shadow: var(--shadow); }
.sol-img::before {
  content: "";
  position: absolute;
  inset: 20px -20px -20px 20px;
  border: 1px solid rgba(46, 107, 237, 0.35);
  border-radius: 4px;
  z-index: -1;
  transition: inset 0.4s var(--ease);
}
.sol-row:hover .sol-img::before { inset: 12px -12px -12px 12px; }
.sol-info { position: relative; }
.sol-index {
  position: absolute;
  top: -64px;
  left: -6px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 88px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(29, 78, 158, 0.16);
  pointer-events: none;
}
.sol-info h3 { font-family: var(--serif); font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 900; margin: 6px 0 16px; }
.sol-info p { color: var(--tx-dim); margin-bottom: 24px; }
.chip-list { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.chip-list li {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--tx);
  background: var(--glass-2);
  backdrop-filter: blur(8px);
  border: 1px solid var(--g-border);
  padding: 7px 14px;
  border-radius: 3px;
  transition: 0.3s;
}
.chip-list li:hover { border-color: var(--blue); color: var(--blue); }

/* 交付流程 */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 26px; margin-top: 64px; position: relative; }
.steps::before {
  content: "";
  position: absolute;
  top: 30px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: repeating-linear-gradient(90deg, rgba(29, 78, 158, 0.35) 0 8px, transparent 8px 16px);
}
.step { position: relative; }
.step-dot {
  width: 60px;
  height: 60px;
  background: var(--glass-2);
  backdrop-filter: blur(10px);
  border: 1.5px solid var(--g-border-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-deep);
  position: relative;
  z-index: 1;
  transition: 0.35s var(--ease);
}
.step:hover .step-dot { background: var(--blue); border-color: var(--blue); color: #fff; transform: scale(1.08); }
.step-body { padding-top: 20px; }
.step-body h4 { font-family: var(--serif); font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step-body p { font-size: 13px; color: var(--tx-dim); line-height: 1.8; }

/* ---------- 新闻案例页 ---------- */
.news-featured {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-top: 54px;
  transition: border-color 0.4s, box-shadow 0.4s;
}
.news-featured:hover { border-color: rgba(46, 107, 237, 0.4); box-shadow: var(--shadow); }
.news-featured figure { overflow: hidden; min-height: 340px; }
.news-featured img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.news-featured:hover img { transform: scale(1.05); }
.nf-body { padding: 46px 44px; display: flex; flex-direction: column; justify-content: center; }
.nf-body h3 { font-family: var(--serif); font-size: clamp(1.3rem, 2.2vw, 1.8rem); font-weight: 900; line-height: 1.55; margin: 16px 0 14px; transition: color 0.3s; }
.news-featured:hover .nf-body h3 { color: var(--blue); }
.nf-body p { font-size: 14px; color: var(--tx-dim); margin-bottom: 24px; }

.news-tag { font-style: normal; font-size: 11px; letter-spacing: 0.16em; padding: 4px 11px; border-radius: 2px; border: 1px solid; }
.news-tag[data-cat="公司动态"] { color: var(--blue); border-color: rgba(46, 107, 237, 0.45); background: rgba(46, 107, 237, 0.07); }
.news-tag[data-cat="项目案例"] { color: var(--red); border-color: rgba(230, 48, 48, 0.4); background: rgba(230, 48, 48, 0.06); }
.news-tag[data-cat="行业资讯"] { color: #c97d05; border-color: rgba(245, 158, 11, 0.45); background: rgba(245, 158, 11, 0.08); }

.np-meta .news-tag { margin-left: auto; }
.nf-meta { display: flex; align-items: center; gap: 14px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--tx-dim); }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 22px; }
.news-card {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.45s var(--ease), border-color 0.4s, box-shadow 0.45s;
}
.news-card:hover { transform: translateY(-8px); border-color: rgba(46, 107, 237, 0.4); box-shadow: var(--shadow); }
.news-card figure { overflow: hidden; aspect-ratio: 16 / 9.5; }
.news-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.news-card:hover img { transform: scale(1.07); }
.news-body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.news-body time { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; color: var(--tx-dim); }
.news-body h3 { font-family: var(--serif); font-size: 17.5px; font-weight: 700; line-height: 1.6; margin: 12px 0 10px; transition: color 0.3s; }
.news-card:hover h3 { color: var(--blue); }
.news-body p { font-size: 13.5px; color: var(--tx-dim); margin-bottom: 18px; }
.news-body .text-link { margin-top: auto; font-size: 11.5px; }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: start; }
.c-img { border-radius: 4px; overflow: hidden; margin-bottom: 38px; position: relative; box-shadow: var(--shadow-sm); }
.c-img img { width: 100%; aspect-ratio: 16 / 8.5; object-fit: cover; }
.c-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(10, 22, 40, 0.55)); }
.c-img figcaption {
  position: absolute;
  left: 20px;
  bottom: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: #fff;
}
.info-list { border-top: 1px solid var(--line); }
.info-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 22px 12px;
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: background 0.3s;
  border-radius: 3px;
}
.info-row:hover { background: var(--glass-2); backdrop-filter: blur(8px); }
.info-icon { width: 40px; height: 40px; display: grid; place-items: center; } /* 去掉方框底色，仅保留图标并居中 */
.info-icon svg { width: 18px; height: 18px; stroke: var(--blue); fill: none; stroke-width: 1.6; }
.info-row span { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em; color: var(--tx-dim); margin-bottom: 5px; }
.info-row b { font-size: 17px; font-weight: 600; line-height: 1.6; }
.info-row b.tel { font-family: var(--serif); font-weight: 900; font-size: 24px; color: var(--blue); letter-spacing: 0.04em; }

/* 表单玻璃卡 */
.c-form-card {
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow);
  padding: 44px 42px;
  position: relative;
}
.c-form-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--blue);
  border-radius: 0 0 2px 0;
}
.c-form-card h3 { font-family: var(--serif); font-size: 24px; font-weight: 900; margin-bottom: 8px; }
.c-form-card > p { font-size: 13.5px; color: var(--tx-dim); margin-bottom: 30px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--tx-dim);
  margin-bottom: 9px;
}
.field label i { color: var(--red); font-style: normal; }
.field input, .field textarea, .field select {
  width: 100%;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--g-border);
  border-radius: 3px;
  color: var(--tx);
  font-family: var(--sans);
  font-size: 14.5px;
  padding: 13px 15px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.field input::placeholder, .field textarea::placeholder { color: var(--tx-faint); }
.field textarea { resize: vertical; min-height: 110px; }
.field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%232E6BED' fill='none' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}
.field select option { background: #fff; color: var(--tx); }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--blue);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 0 0 3px rgba(46, 107, 237, 0.12);
}
.field.err input, .field.err textarea { border-color: var(--red); animation: shake 0.4s; }
.field .err-msg { display: none; font-size: 12px; color: var(--red); margin-top: 6px; }
.field.err .err-msg { display: block; }
@keyframes shake { 25% { transform: translateX(-5px); } 50% { transform: translateX(5px); } 75% { transform: translateX(-3px); } }

.form-ok { text-align: center; padding: 60px 20px; animation: popIn 0.6s var(--ease) both; }
.form-ok .ok-ring {
  width: 84px;
  height: 84px;
  margin: 0 auto 26px;
  border: 2px solid var(--blue);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 0 0 10px rgba(46, 107, 237, 0.08);
  animation: okPop 0.7s var(--ease) both;
}
@keyframes okPop { from { transform: scale(0.4); opacity: 0; } }
.form-ok .ok-ring svg { width: 36px; height: 36px; stroke: var(--blue); stroke-width: 2.6; fill: none; }
.form-ok h3 { font-family: var(--serif); font-size: 24px; font-weight: 900; margin-bottom: 10px; }
.form-ok p { color: var(--tx-dim); font-size: 14px; }

/* 总部/分部卡竖排 + 无框辐射球，整块一体 */
.globe-layout {
  display: grid;
  grid-template-columns: 1fr 1fr; /* 卡片与辐射球各占屏幕一半 */
  gap: 44px;
  align-items: stretch; /* 左右等高对齐 */
}
.globe-cards { display: flex; flex-direction: column; gap: 22px; max-width: 560px; margin: 0 auto; }
.globe-stage { min-width: 0; position: relative; display: flex; background: transparent; border: none; } /* 无边框无底色，地图直接融入页面 */
#globeCanvas { display: block; width: 100%; height: 100%; min-height: 280px; touch-action: pan-y; border: none; outline: none; }
@media (max-width: 960px) {
  .globe-layout { grid-template-columns: 1fr; gap: 26px; }        /* 窄屏：卡片在上、球在下 */
  #globeCanvas { height: 360px; }
}

/* 地图区块 */
.map-wrap { margin-top: 90px; }

/* ---------- 全球网络地球仪 ---------- */
@media (max-width: 960px) { #globeCanvas { height: 340px; } }

.office-card {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-sm);
  padding: 48px 44px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.office-card:hover { transform: translateY(-6px); border-color: rgba(46, 107, 237, 0.4); box-shadow: var(--shadow); }
.office-card em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--blue);
}
.office-card h3 { font-family: var(--serif); font-size: 28px; font-weight: 900; margin: 12px 0 16px; }
.office-card p { font-size: 14.5px; color: var(--tx-dim); line-height: 2; }
.office-card::after {
  content: attr(data-idx);
  position: absolute;
  right: 22px;
  top: 26px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--tx-dim);
  opacity: 0.6;
}
.office-tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 14px 28px;
  background: var(--blue);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--mono);
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.office-tel:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(46,107,237,0.35); }
.office-tel::before { content: '☎'; font-size: 15px; }

/* ---------- 页脚：玻璃 ---------- */
.site-footer { background: var(--glass-2); backdrop-filter: blur(16px) saturate(150%); position: relative; overflow: hidden; } /* 无边线，玻璃底自然区分 */
.foot-grid { display: grid; grid-template-columns: 1.5fr 0.9fr 1fr 1.3fr; gap: 36px; padding: 46px 0 34px; }
.foot-brand p { font-size: 13.5px; color: var(--tx-dim); margin-top: 14px; max-width: 320px; }
.foot-col h4 {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--tx);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 14px;
}
.foot-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 22px; height: 2px; background: var(--blue); }
.foot-col a { display: block; font-size: 14px; color: var(--tx-dim); padding: 4px 0; transition: color 0.3s, padding-left 0.3s; }
.foot-col a:hover { color: var(--blue); padding-left: 8px; }
.foot-col p { font-size: 14px; color: var(--tx-dim); padding: 4px 0; line-height: 1.7; }
.foot-col p.tel { font-family: var(--serif); font-weight: 900; font-size: 19px; color: var(--blue); }
.foot-ghost {
  position: absolute; /* 改为背景层，不再占据文档流高度，消除主内容与版权条间的大空白 */
  left: 0;
  right: 0;
  bottom: 0;
  text-align: center;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(64px, 9vw, 130px);
  line-height: 1;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(29, 78, 158, 0.09);
  user-select: none;
  transform: translateY(24%);
  pointer-events: none;
}
.foot-bottom { border-top: 1px solid var(--g-border); background: rgba(255, 255, 255, 0.6); position: relative; z-index: 1; }
.fb-inner {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 14px 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--tx-dim);
}
/* 星瀚子站公安备案：与版权行同字号，内联蓝色盾牌，不影响小白杨主站 */
.foot-police { display: inline-flex; align-items: center; gap: 5px; margin-left: 0; vertical-align: middle; white-space: nowrap; }
.foot-police-icon { width: 13px; height: 15px; flex: 0 0 auto; display: block; }
.foot-police a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.foot-police a:hover { color: var(--blue); }
@media (max-width: 768px) { .foot-police { margin-left: 0; margin-top: 4px; } }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

.rise { opacity: 0; animation: riseIn 1s var(--ease) forwards; animation-delay: var(--d, 0s); }
.rise-o { opacity: 0; animation: fadeIn 1.2s var(--ease) forwards; animation-delay: var(--d, 0s); }
@keyframes riseIn { from { opacity: 0; transform: translateY(46px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  /* 移动端全屏菜单：白玻璃 */
  .main-nav {
    position: fixed;
    top: 0; right: 0; bottom: 0; left: 0; /* 显式四向定位，兼容不支持 inset 简写的老 iOS/WebView */
    z-index: 1050;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 10px;
    padding: 0 12vw;
    transform: translateY(-102%);
    transition: transform 0.55s cubic-bezier(0.7, 0, 0.3, 1);
  }
  body.nav-open .main-nav { transform: none; }
  .main-nav .nav-link {
    font-family: var(--serif);
    font-weight: 900;
    font-size: 34px;
    color: var(--tx);
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), color 0.3s;
  }
  body.nav-open .main-nav .nav-link { opacity: 1; transform: none; }
  body.nav-open .main-nav .nav-link:nth-child(1) { transition-delay: 0.12s; }
  body.nav-open .main-nav .nav-link:nth-child(2) { transition-delay: 0.18s; }
  body.nav-open .main-nav .nav-link:nth-child(3) { transition-delay: 0.24s; }
  body.nav-open .main-nav .nav-link:nth-child(4) { transition-delay: 0.3s; }
  body.nav-open .main-nav .nav-link:nth-child(5) { transition-delay: 0.36s; }
  .main-nav .nav-cta { margin: 26px 0 0; opacity: 0; transition: opacity 0.5s 0.44s; }
  body.nav-open .main-nav .nav-cta { opacity: 1; }
  body.nav-open { overflow: hidden; }
  .nav-toggle { display: block; }

  .intro-hero { min-height: 82vh; min-height: 82svh; }
  .intro-scroll { display: none; }
  .hero { min-height: 0; padding-top: 140px; }
  .hero-grid { grid-template-columns: 1fr; gap: 56px; padding-bottom: 60px; }
  .hero-visual { max-width: 600px; }
  .chip-1 { left: 0; } .chip-2 { right: 0; }

  .about-grid { grid-template-columns: 1fr; gap: 80px; }
  .about-img { max-width: 560px; }
  .sol-grid { grid-template-columns: 1fr; max-width: 640px; }
  .np-grid { grid-template-columns: 1fr; gap: 40px; }
  .sol-row { grid-template-columns: 1fr; gap: 50px; padding: 56px 0; }
  .sol-row.rev .sol-img { order: 1; }
  .sol-row.rev .sol-info { order: 2; }
  .sol-index { top: -54px; font-size: 68px; }
  .steps { grid-template-columns: 1fr; gap: 34px; }
  .steps::before { left: 30px; right: auto; top: 4%; bottom: 4%; width: 1px; height: auto;
    background: repeating-linear-gradient(180deg, rgba(29, 78, 158, 0.35) 0 8px, transparent 8px 16px); }
  .step { display: flex; gap: 24px; align-items: flex-start; }
  .step-body { padding-top: 8px; }
  .news-featured { grid-template-columns: 1fr; }
  .news-featured figure { min-height: 260px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 70px; }
  .foot-grid { grid-template-columns: 1fr 1fr; padding: 40px 0 30px; }
  .sec { padding: 84px 0; }
}

@media (max-width: 600px) {
  body { font-size: 15px; }
  .product-grid { grid-template-columns: 1fr; }
  .biz-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .check-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .c-form-card { padding: 34px 24px; }
  .foot-grid { grid-template-columns: 1fr; gap: 34px; }
  .ghost-word { font-size: 6.4rem; bottom: -4%; }
  .exp-badge { right: 8px; bottom: -22px; padding: 16px 18px; }
  .fb-inner { justify-content: center; text-align: center; }
}