/* ==========================================================================
 * fenghgwq.com — 简约科技感 · 暖橙主色 + 青紫科技点缀（视觉升级版）
 * 视觉语言源自「缝合怪」IP：虎皮暖橙 / 护目镜青蓝 / 缝补痕迹 / 链条链接
 * 升级点：分层辉光背景 · 玻璃拟态卡片 · 流光描边 · IP 科技 HUD 框 · 区块节点
 * ========================================================================== */

:root {
  --bg: #FAF6F0;            /* 暖米白背景 */
  --bg-soft: #F3ECE1;       /* 浅暖色底 */
  --card: #FFFFFF;
  --ink: #2C2822;           /* 深暖灰文字 */
  --ink-soft: #6E6458;      /* 次级文字 */
  --ink-faint: #9A8F80;
  --accent: #E8833A;        /* 暖琥珀橙 · 主色（虎皮） */
  --accent-deep: #C9611F;   /* 深琥珀 */
  --accent-gold: #E8A94A;   /* 暖金 */
  --accent-soft: #F6E3D3;   /* 浅琥珀底 */
  --tech: #2FD0D0;          /* 青蓝科技光（护目镜） */
  --tech-deep: #1AA8A8;
  --violet: #B888F0;        /* 紫光（发光环） */
  --violet-soft: #EDE3FA;
  --line: #EADFD0;          /* 分割线 */
  --glow: rgba(232, 131, 58, 0.14);
  --glow-tech: rgba(47, 208, 208, 0.18);
  --grad: linear-gradient(135deg, #E8833A 0%, #E8A94A 100%);
  --grad-tech: linear-gradient(135deg, #2FD0D0 0%, #B888F0 100%);
  --radius: 16px;
  --shadow: 0 10px 40px rgba(92, 70, 40, 0.08);
  --shadow-lg: 0 20px 60px rgba(92, 70, 40, 0.14);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  /* 视觉升级：分层辉光（暖橙右上 + 青蓝左下）+ 细网格，营造科技纵深 */
  background-image:
    radial-gradient(820px 560px at 86% -8%, rgba(232, 131, 58, 0.12), transparent 60%),
    radial-gradient(760px 560px at 2% 104%, rgba(47, 208, 208, 0.12), transparent 55%),
    linear-gradient(rgba(232, 131, 58, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 131, 58, 0.035) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  overflow-x: hidden;
}

a { color: var(--tech-deep); text-decoration: none; transition: color .2s; }
a:hover { color: var(--tech); }

img { max-width: 100%; display: block; }

.container { width: min(1120px, 92vw); margin: 0 auto; position: relative; z-index: 1; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 246, 240, 0.82);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--ink); }
.brand .logo { width: 38px; height: 38px; border-radius: 10px; background: var(--grad); color: #fff; font-size: 15px; display: grid; place-items: center; overflow: hidden; box-shadow: 0 4px 14px var(--glow); }
.brand .logo img { width: 100%; height: 100%; object-fit: cover; }
.nav-links { display: flex; gap: 4px; }
.nav-links a { padding: 8px 14px; border-radius: 9px; color: var(--ink-soft); font-size: 15px; font-weight: 500; position: relative; }
.nav-links a:hover { background: var(--accent-soft); color: var(--accent-deep); }
.nav-links a.active { color: var(--accent-deep); background: var(--accent-soft); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; background: var(--grad-tech); border-radius: 2px;
}
.nav-cta { padding: 8px 18px; border-radius: 999px; background: var(--grad); color: #fff !important; font-weight: 600; font-size: 14px; box-shadow: 0 6px 18px var(--glow); }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--ink); cursor: pointer; }

/* ---------- 通用区块 ---------- */
.page { padding: 64px 0 80px; position: relative; }
.hero-page { padding: 72px 0 40px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .08em; color: var(--accent-deep);
  background: var(--accent-soft); padding: 5px 14px; border-radius: 999px; margin-bottom: 18px;
}
/* 升级：eyebrow 前加发光节点 */
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px rgba(232, 131, 58, .7); }
h1, h2, h3 { line-height: 1.3; font-weight: 700; color: var(--ink); }
.section-title { font-size: clamp(28px, 4vw, 40px); margin-bottom: 12px; position: relative; }
/* 升级：标题前发光节点，强化科技感 */
.section-title::before {
  content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 50%;
  background: var(--grad-tech); margin-right: 12px; vertical-align: middle;
  box-shadow: 0 0 0 4px rgba(47, 208, 208, .15);
}
.section-intro { color: var(--ink-soft); font-size: 18px; max-width: 640px; }
/* 供需对接页 intro 段落：调整到一行显示（窄屏恢复换行） */
body[data-page="match"] .section-intro { max-width: 100%; white-space: nowrap; font-size: 16.5px; }
@media (max-width: 860px) {
  body[data-page="match"] .section-intro { white-space: normal; font-size: 18px; }
}
.lead { color: var(--ink-soft); font-size: 18px; }

/* 缝补虚线装饰（呼应缝合怪） */
.stitch-dash {
  border: 2px dashed rgba(200, 120, 60, 0.35);
  border-radius: var(--radius);
}

/* 链接链条分隔符（区块间科技过渡线） */
.link-divider {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  margin: 8px 0; color: var(--tech); opacity: .7; font-size: 14px;
}
.link-divider::before, .link-divider::after {
  content: ""; flex: 1; max-width: 80px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--tech), transparent);
}
.link-divider .inf { font-size: 18px; font-weight: 700; }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 26px; border-radius: 12px; font-weight: 600; font-size: 16px; cursor: pointer; transition: transform .15s, box-shadow .2s, border-color .2s; border: none; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 24px var(--glow); }
.btn-primary:hover { box-shadow: 0 12px 32px rgba(232, 131, 58, 0.32); color: #fff; }
.btn-ghost { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--tech); color: var(--tech-deep); }
.btn-tech { background: var(--grad-tech); color: #fff; box-shadow: 0 8px 24px var(--glow-tech); }
.btn-tech:hover { box-shadow: 0 12px 32px rgba(47, 208, 208, 0.32); color: #fff; }

/* ---------- 首页 Hero ---------- */
.hero { padding: 76px 0 64px; position: relative; overflow: hidden; }
/* 升级：全站粒子网络画布（全端可见，JS 注入到 body） */
#tech-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: .75; }
.hero::before {
  content: ""; position: absolute; top: -80px; right: -120px; width: 420px; height: 420px;
  background: radial-gradient(circle, var(--glow-tech), transparent 70%);
  border-radius: 50%; pointer-events: none; z-index: 0;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; position: relative; z-index: 1; }
.hero h1 { font-size: clamp(34px, 5.4vw, 56px); letter-spacing: -.02em; white-space: pre-line; }
.hero h1 .hl { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero h1 .hl-tech { background: var(--grad-tech); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .subtitle { color: var(--ink-soft); font-size: 18px; margin: 22px 0 30px; max-width: 540px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 24px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; border-left: 3px solid var(--tech); }
.stat .num { font-size: 14.5px; font-weight: 600; line-height: 1.5; color: var(--accent-deep); }
.stat .lab { font-size: 12px; color: var(--ink-soft); margin-top: 2px; }

/* Hero 视觉：缝合怪 IP 图 + 科技 HUD 框（升级） */
.hero-visual { display: grid; place-items: center; }
.hero-figure { position: relative; width: min(340px, 78vw); }
/* HUD 旋转/虚线环 */
.hero-figure .hud-ring {
  position: absolute; inset: -20px; border-radius: 50%;
  border: 1px solid rgba(47, 208, 208, .3);
  box-shadow: inset 0 0 30px rgba(47, 208, 208, .12);
  animation: hudspin 26s linear infinite;
}
.hero-figure .hud-ring.r2 {
  inset: -38px; border-style: dashed; border-color: rgba(232, 131, 58, .28);
  animation: hudspin 40s linear infinite reverse;
}
/* 四角描边（科技取景框） */
.hero-figure .hud-corner { position: absolute; width: 18px; height: 18px; border: 2px solid var(--tech); opacity: .85; }
.hero-figure .hud-corner.tl { top: -30px; left: -30px; border-right: none; border-bottom: none; }
.hero-figure .hud-corner.tr { top: -30px; right: -30px; border-left: none; border-bottom: none; border-color: var(--accent); }
.hero-figure .hud-corner.bl { bottom: -30px; left: -30px; border-right: none; border-top: none; border-color: var(--violet); }
.hero-figure .hud-corner.br { bottom: -30px; right: -30px; border-left: none; border-top: none; }
/* 发光节点（呼应"链接"） */
.hero-figure .hud-node { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--grad-tech); box-shadow: 0 0 12px rgba(47, 208, 208, .6); }
.hero-figure .hud-node.n1 { top: 4%; left: 8%; }
.hero-figure .hud-node.n2 { top: 13%; right: 1%; background: var(--grad); box-shadow: 0 0 12px rgba(232, 131, 58, .6); }
.hero-figure .hud-node.n3 { bottom: 11%; left: 1%; }
.hero-figure .hud-node.n4 { bottom: 4%; right: 12%; background: var(--violet); box-shadow: 0 0 12px rgba(184, 136, 240, .6); }
.hero-figure .halo {
  position: absolute; inset: -30px; border-radius: 50%;
  background: radial-gradient(circle, var(--glow-tech) 0%, transparent 65%);
  animation: pulse 4s ease-in-out infinite;
}
.hero-figure picture { display: block; width: 100%; }
.hero-figure img {
  position: relative; width: 100%; aspect-ratio: 1; object-fit: cover;
  border-radius: 28px; border: 2px solid rgba(232,131,58,.25);
  box-shadow: var(--shadow-lg);
}
.hero-figure .badge-ring {
  position: absolute; right: -8px; bottom: 18px; width: 56px; height: 56px;
  border-radius: 50%; background: var(--grad-tech); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 20px;
  box-shadow: 0 6px 20px rgba(47,208,208,.4);
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: .8; }
  50% { transform: scale(1.06); opacity: 1; }
}
@keyframes hudspin { to { transform: rotate(360deg); } }

/* ---------- 科技感闪烁（桌面端 + 非减少动态；仅 opacity/transform，零重绘） ---------- */
@keyframes nodeBlink {
  0%, 90%, 100% { opacity: 1; }
  92% { opacity: .25; }
  94% { opacity: 1; }
  96% { opacity: .4; }
}
@keyframes cornerFlicker {
  0%, 100% { opacity: .85; }
  46% { opacity: .32; }
  52% { opacity: .9; }
}
@keyframes badgeBlink {
  0%, 70%, 100% { opacity: 1; }
  73% { opacity: .55; }
  78% { opacity: 1; }
}
@keyframes textSignal {
  0%, 86%, 100% { opacity: 1; }
  89% { opacity: .5; }
  92% { opacity: 1; }
  95% { opacity: .7; }
}
@keyframes scanSweep {
  0% { top: -32%; opacity: 0; }
  8% { opacity: 1; }
  58% { top: 100%; opacity: 1; }
  59%, 100% { opacity: 0; top: 100%; }
}

  /* 全端启用：闪烁 + 扫描线（移动端也跑，仅 opacity/transform；reduced-motion 已关闭） */
  body.motion .hud-node { animation: nodeBlink 2.6s steps(1, end) infinite; }
  body.motion .hud-node.n1 { animation-delay: 0s; }
  body.motion .hud-node.n2 { animation-delay: .55s; }
  body.motion .hud-node.n3 { animation-delay: 1.15s; }
  body.motion .hud-node.n4 { animation-delay: 1.75s; }
  body.motion .hud-corner { animation: cornerFlicker 3.4s ease-in-out infinite; }
  body.motion .badge-ring { animation: badgeBlink 3s steps(1, end) infinite; }
  body.motion .hero h1 .hl-tech { animation: textSignal 4.2s ease-in-out infinite; }
  .hero-figure .scan { position: absolute; inset: 0; border-radius: 28px; overflow: hidden; pointer-events: none; z-index: 2; }
  .hero-figure .scan::after {
    content: ""; position: absolute; left: 0; right: 0; top: -32%; height: 30%;
    background: linear-gradient(180deg, transparent, rgba(47, 208, 208, .22), rgba(47, 208, 208, .03));
    animation: scanSweep 5.5s ease-in-out infinite;
  }

/* ---------- 卡片（玻璃拟态 + 流光描边 升级） ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  position: relative; background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--radius); padding: 28px;
  box-shadow: 0 8px 30px rgba(92, 70, 40, .08), inset 0 1px 0 rgba(255, 255, 255, .7);
  transition: transform .18s, box-shadow .22s, border-color .22s;
}
/* 流光描边（hover 时渐变光沿边框流动） */
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius); padding: 1px;
  background: linear-gradient(135deg, rgba(232,131,58,.55), rgba(47,208,208,.5) 55%, rgba(184,136,240,.45));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .35s ease; pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card:hover { transform: translateY(-6px); box-shadow: 0 18px 48px rgba(47, 208, 208, .18), inset 0 1px 0 rgba(255, 255, 255, .7); border-color: rgba(47, 208, 208, .35); }
.card .icon { width: 48px; height: 48px; border-radius: 12px; background: var(--accent-soft); color: var(--accent-deep); display: grid; place-items: center; margin-bottom: 18px; box-shadow: inset 0 0 0 1px rgba(232,131,58,.15); }
.card .icon.tech { background: var(--violet-soft); color: var(--tech-deep); }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 15px; }
.card .points { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.card .points span { font-size: 12.5px; color: var(--accent-deep); background: var(--accent-soft); padding: 4px 12px; border-radius: 999px; }
/* 服务卡片等高时，标签盒沉底对齐（仅对齐，不改外观） */
.grid-3 .card { display: flex; flex-direction: column; }
.grid-3 .card .points { margin-top: auto; }

/* ---------- 关于我 ---------- */
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
/* 关于我页：kicker 与 H1 同一行（左侧 kicker，右侧 H1） */
.about-kicker-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin-bottom: 28px;
}
.about-kicker-row .page-kicker { margin-bottom: 0; }
.about-kicker-row .section-title {
  line-height: 1.4;
  letter-spacing: -.005em;
  display: inline-block;
  margin: 0;
}
.about-kicker-row .section-title::before { width: 7px; height: 7px; margin-right: 10px; }
/* 关于我页 H1 下划线 wipe 减弱为短粗线（不抢戏） */
body[data-page="about"] .about-kicker-row .section-title::after { width: 64px; height: 2px; margin-top: 8px; }
@media (max-width: 720px) {
  .about-kicker-row { gap: 8px 12px; margin-bottom: 20px; }
  .about-kicker-row .section-title { font-size: 20px; }
  body[data-page="about"] .about-kicker-row .section-title::after { display: none; }
}
.about-text p { color: var(--ink-soft); margin-bottom: 22px; font-size: 16.5px; line-height: 1.8; }
/* 关于我页左列下移：与右列 about-text 文字中段视觉齐平 */
.about-grid > div:first-child { padding-top: 30px; }
/* 关于我页右栏：每段前加 ▸ 标识（三色 HUD 循环） */
.about-text p { position: relative; padding-left: 28px; }
.about-text p::before {
  content: "▸";
  position: absolute;
  left: 0; top: 1px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--accent-deep);
}
.about-text p:nth-child(1)::before { color: var(--accent-deep); }
.about-text p:nth-child(2)::before { color: var(--tech-deep); }
.about-text p:nth-child(3)::before { color: var(--violet); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.tag-cloud span { font-size: 13px; color: var(--ink-soft); border: 1px solid var(--line); background: var(--card); padding: 6px 14px; border-radius: 999px; }
.tag-cloud span:nth-child(odd) { border-color: rgba(47,208,208,.35); color: var(--tech-deep); }

/* ---------- 供需对接 / 表单 ---------- */
.match-wrap { margin-top: 36px; }
.match-form-box { background: var(--card); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); min-height: 720px; }
.match-form-box iframe { width: 100%; height: 820px; border: 0; display: block; }
.match-note { margin-top: 16px; font-size: 14px; color: var(--ink-faint); text-align: center; }
.form-placeholder { display: grid; place-items: center; min-height: 640px; text-align: center; color: var(--ink-soft); }
.form-placeholder .big { font-size: 40px; margin-bottom: 16px; }

/* 供需对接（卡片+按钮方案） */
.match-fields { background: rgba(255,255,255,.74); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.65); border-radius: var(--radius); padding: 32px 36px; margin-top: 36px; box-shadow: 0 8px 30px rgba(92,70,40,.08); }
.match-fields-title { font-size: 18px; color: var(--ink); margin-bottom: 20px; font-weight: 700; }
.fields-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 24px; }
.field-item { padding: 12px 16px; background: var(--bg-soft); border-radius: 10px; border-left: 3px solid var(--accent); }
.field-item:nth-child(even) { border-left-color: var(--tech); }
.field-label { font-weight: 600; color: var(--ink); font-size: 15px; }
.field-label .req { color: var(--accent-deep); }
.field-note { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }
/* 字段预览末项落单时整行居中（仅对齐，不改外观） */
.fields-grid .field-item:last-child { grid-column: 1 / -1; text-align: center; }
.match-cta { margin-top: 40px; text-align: center; }
.btn-large { padding: 18px 42px; font-size: 18px; border-radius: 14px; }
.match-cta-note { margin-top: 14px; font-size: 13.5px; color: var(--ink-soft); max-width: 520px; margin-left: auto; margin-right: auto; }

/* ---------- 行业洞察 / 文章列表 ---------- */
.article-list { display: grid; gap: 18px; margin-top: 32px; }
.article-item { background: rgba(255,255,255,.74); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.65); border-radius: var(--radius); padding: 24px 28px; transition: box-shadow .2s, transform .18s; }
.article-item:hover { box-shadow: 0 14px 40px rgba(47,208,208,.16); transform: translateY(-3px); }
.article-item .meta { display: flex; gap: 14px; font-size: 13px; color: var(--ink-faint); margin-bottom: 8px; }
.article-item h3 { font-size: 20px; }
.article-item h3 a { color: var(--ink); }
.article-item h3 a:hover { color: var(--accent-deep); }
.article-item .excerpt { color: var(--ink-soft); font-size: 15px; margin-top: 8px; }
.article-item .tag { color: var(--tech-deep); font-weight: 600; }

/* ---------- 文章详情 ---------- */
.article-body { background: rgba(255,255,255,.74); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.65); border-radius: 20px; padding: 40px 44px; margin-top: 24px; }
.article-body h2 { font-size: 24px; margin: 28px 0 12px; }
.article-body h3 { font-size: 19px; margin: 22px 0 10px; }
.article-body p { color: var(--ink-soft); margin-bottom: 16px; font-size: 16.5px; }
.article-body ul, .article-body ol { margin: 0 0 16px 22px; color: var(--ink-soft); }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body a { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 文章正文 · 表格 ---------- */
.article-body table {
  width: 100%; margin: 4px 0 24px; font-size: 15px;
  border-collapse: separate; border-spacing: 0;
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  background: rgba(255,255,255,.72);
}
.article-body th, .article-body td {
  padding: 11px 14px; line-height: 1.7; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.article-body thead th {
  background: var(--accent-soft); color: var(--accent-deep);
  font-weight: 600; font-size: 14px; white-space: nowrap;
}
.article-body td { color: var(--ink-soft); }
.article-body tbody tr:nth-child(even) { background: rgba(243,236,225,.45); }
.article-body tbody tr:last-child td { border-bottom: none; }

/* ---------- 文章正文 · 引用块 ---------- */
.article-body blockquote {
  margin: 4px 0 22px; padding: 16px 20px;
  background: var(--accent-soft); border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
}
.article-body blockquote p { margin: 0; color: var(--ink); font-size: 16px; }
.article-body blockquote p + p { margin-top: 8px; }

/* ---------- 联系我 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 36px; }
/* 仅一张卡时：居中、限宽，避免右侧留白 */
.contact-grid.is-single { grid-template-columns: minmax(0, 560px); justify-content: center; }
.contact-card { background: rgba(255,255,255,.74); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.65); border-radius: var(--radius); padding: 34px; text-align: center; }
.contact-card .icon { font-size: 36px; margin-bottom: 14px; }
.contact-card .val { font-size: 20px; font-weight: 700; color: var(--accent-deep); word-break: break-all; }
.contact-card .lab { color: var(--ink-soft); font-size: 14px; margin-top: 6px; }
.qr-box { width: 240px; height: 240px; margin: 14px auto; border: 1px solid var(--line); border-radius: 14px; background: #fff; display: grid; place-items: center; color: var(--ink-faint); font-size: 13px; overflow: hidden; }
.qr-box img { width: 100%; height: 100%; object-fit: contain; display: block; }
.qr-tip { color: var(--ink-soft); font-size: 13px; margin-top: 8px; text-align: center; }
/* 二维码下方说明文案（联系我页） */
.qr-desc { color: var(--ink-soft); font-size: 14px; line-height: 1.8; margin: 14px auto 0; max-width: 400px; }

/* ---------- 页脚 ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-soft); padding: 44px 0 32px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; }
/* 非首页无二维码时：单列，避免右侧留空 */
.footer-grid.is-single { grid-template-columns: 1fr; }
.footer-brand { font-weight: 700; font-size: 18px; margin-bottom: 8px; }
.footer-txt { color: var(--ink-soft); font-size: 14px; }
.footer-bottom { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--ink-faint); }
.footer-bottom a { color: var(--ink-faint); }

/* 页脚二维码 */
.footer-qr { text-align: center; }
.footer-qr .qr-box { width: 170px; height: 170px; margin: 0 auto; }
.footer-qr .qr-tip { color: var(--ink-faint); font-size: 12.5px; margin-top: 8px; }
.footer-qr .qr-desc { color: var(--ink-soft); font-size: 13px; line-height: 1.7; margin: 10px auto 0; max-width: 330px; }

/* ---------- 滚动入场（仅桌面端动效，移动端默认可见） ---------- */
body.motion .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
body.motion .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .hero-grid, .about-grid, .grid-3, .grid-2, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
  .hero-visual { order: -1; }
  .hero-figure { width: min(240px, 64vw); }
  .nav-links { position: fixed; inset: 68px 0 auto 0; flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--line); padding: 12px 5vw; display: none; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .article-body { padding: 26px 22px; }
  .article-body table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 10px; }
  .fields-grid { grid-template-columns: 1fr; }
  .match-fields { padding: 22px 18px; }
  .match-form-box iframe { height: 900px; }
  .about-grid > div:first-child { padding-top: 0; }
}

/* ============ 全站科技化增强（暖橙+青紫 HUD 语言，呼应首页） ============ */

/* 全站氛围光晕层：固定低透明度，缓慢漂移（transform 仅，GPU 合成，近乎零成本） */
body::after {
  content: ""; position: fixed; top: 50%; left: 50%;
  width: 62vmax; height: 62vmax; transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(47, 208, 208, .12), transparent 62%);
  pointer-events: none; z-index: 0; opacity: .55;
}

/* HUD 角标：四角 L 形描边（纯 CSS background 绘制，静态无动画） */
.hud-corners,
.card, .article-item, .contact-card, .match-fields { position: relative; }
.card::after, .article-item::after, .contact-card::after, .match-fields::after {
  content: ""; position: absolute; inset: 10px; border-radius: 12px; pointer-events: none;
  background:
    linear-gradient(var(--tech), var(--tech)) top left/14px 2px no-repeat,
    linear-gradient(var(--tech), var(--tech)) top left/2px 14px no-repeat,
    linear-gradient(var(--accent), var(--accent)) top right/14px 2px no-repeat,
    linear-gradient(var(--accent), var(--accent)) top right/2px 14px no-repeat,
    linear-gradient(var(--violet), var(--violet)) bottom left/14px 2px no-repeat,
    linear-gradient(var(--violet), var(--violet)) bottom left/2px 14px no-repeat,
    linear-gradient(var(--tech), var(--tech)) bottom right/14px 2px no-repeat,
    linear-gradient(var(--tech), var(--tech)) bottom right/2px 14px no-repeat;
  opacity: .45; transition: opacity .3s ease;
}
.card:hover::after, .article-item:hover::after,
.contact-card:hover::after, .match-fields:hover::after { opacity: 1; }

/* 文章列表项：左侧发光竖条 + hover 箭头轻移 */
.article-item::before {
  content: ""; position: absolute; left: 0; top: 20px; bottom: 20px; width: 3px;
  border-radius: 3px; background: var(--grad-tech); opacity: .35;
  transition: opacity .25s ease, box-shadow .25s ease;
}
.article-item:hover::before { opacity: 1; box-shadow: 0 0 12px rgba(47, 208, 208, .5); }
.article-item h3 a::after { content: " →"; opacity: 0; display: inline-block; transform: translateX(-4px); transition: opacity .2s ease, transform .2s ease; }
.article-item:hover h3 a::after { opacity: 1; transform: translateX(2px); }

/* 供需页字段项 hover 左光增强 */
.field-item { transition: box-shadow .2s ease, transform .2s ease; }
.field-item:hover { box-shadow: 0 6px 20px rgba(47, 208, 208, .12); transform: translateX(2px); }

/* 二维码框：已移除覆盖其上的扫描光带动效
   （光带与二维码纹样叠加会干扰相机识别，故取消，保证金牌扫码稳定） */

/* 页码 kicker（由 JS 注入到各内页页头） */
.page-kicker {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px;
  font-size: 13px; font-weight: 600; letter-spacing: .12em; color: var(--tech-deep);
}
.page-kicker b { color: var(--accent-deep); font-size: 15px; }

/* 内页页头母题：HUD 环 + 标题下划线擦入（仅桌面动效） */
body[data-page] .hero-page { position: relative; }
body[data-page] .hero-page::before {
  content: ""; position: absolute; top: -14px; left: -14px;
  width: 92px; height: 92px; border-radius: 50%;
  border: 1px dashed rgba(47, 208, 208, .42);
  box-shadow: inset 0 0 22px rgba(47, 208, 208, .12);
  opacity: .5; pointer-events: none; z-index: 0;
}
body[data-page] .hero-page .section-title { display: inline-block; }
body[data-page] .hero-page .section-title::after {
  content: ""; display: block; height: 3px; margin-top: 10px; width: 100%;
  transform: scaleX(1); transform-origin: left; background: var(--grad-tech);
}

/* 服务页：3 卡背后水平"链接"虚线 */
body[data-page="services"] .grid-3 { position: relative; }
body[data-page="services"] .grid-3::before {
  content: ""; position: absolute; top: 46%; left: 7%; right: 7%; height: 2px; z-index: -1;
  background: linear-gradient(90deg, transparent, var(--tech), transparent);
  opacity: .3; pointer-events: none;
}

/* ---------- 全端动效（移动端也启用，仅 opacity/transform，尊重 reduced-motion） ---------- */
  body::after { animation: ambientDrift 18s ease-in-out infinite; }
  body[data-page] .hero-page::before { animation: hudspin 26s linear infinite; }
  body[data-page] .hero-page .section-title::after { animation: underlineWipe 1s ease .15s forwards; }
@keyframes ambientDrift {
  0%   { transform: translate(-50%, -50%) translate(0, 0); }
  50%  { transform: translate(-50%, -50%) translate(3%, -2.5%); }
  100% { transform: translate(-50%, -50%) translate(0, 0); }
}
@keyframes underlineWipe { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- 面包屑（全站内页 + 文章页） ---------- */
.breadcrumb { font-size: 13px; color: var(--ink-faint); margin-bottom: 14px; letter-spacing: .02em; }
.breadcrumb a { color: var(--ink-soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-deep); }
.breadcrumb .sep { margin: 0 8px; opacity: .5; }

/* ---------- 文章页「相关文章」内链块（P2-1） ---------- */
.related { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line); }
.related-title { font-size: 18px; margin-bottom: 14px; color: var(--ink); }
.related-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.related-list a { color: var(--ink-soft); text-decoration: none; font-size: 15px; transition: color .2s; }
.related-list a:hover { color: var(--accent-deep); }
.related-list a::before { content: "› "; color: var(--tech-deep); font-weight: 700; }

/* ---------- 无障碍：尊重"减少动态"偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .hud-ring, .hero-figure .halo { animation: none !important; }
  .hud-node, .hud-corner, .badge-ring, .hero h1 .hl-tech, .scan::after { animation: none !important; }
  body.motion .reveal { opacity: 1 !important; transform: none !important; }
  body::after { animation: none !important; }
  body[data-page] .hero-page::before { animation: none !important; }
  body[data-page] .hero-page .section-title::after { transform: scaleX(1) !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- 页脚声明（合规） ---------- */
.footer-disclaimer { margin-top: 14px; font-size: 12.5px; color: var(--ink-faint); text-align: center; line-height: 1.6; }
.footer-links { display: inline-flex; gap: 6px; align-items: center; }
.footer-links a { color: var(--ink-faint); }
.footer-links a:hover { color: var(--accent-deep); }
.legal-update { margin-top: 28px; font-size: 13px; color: var(--ink-faint); }