/* ============================================================
   企业官网群 · 前台主题样式（炫酷增强版）
   底色配色：body.theme-*（4 套）；圆角风格：body.radius-*（4 档，正交控制）
   主色由构建时注入 :root --primary / --accent
   ============================================================ */

:root {
  --primary: #1a56db;
  --accent: #7c3aed;
  --radius: 16px;      /* 容器卡片/大图圆角（小圆角默认，由 body.radius-* 覆盖） */
  --radius-sm: 10px;   /* 小元素圆角：图片/图标/输入框/标签 */
  --radius-pill: 999px;/* 胶囊圆角：按钮/导航/标签胶囊 */
  --shadow: 0 8px 30px rgba(15, 23, 42, .07);
  --shadow-hover: 0 22px 55px rgba(26, 86, 219, .25);
  --grad: linear-gradient(120deg, var(--primary), var(--accent));
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px; line-height: 1.75;
  background: var(--bg); color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, 92%); margin: 0 auto; }
section { position: relative; }

/* ---------------- 主题变量 ---------------- */
body.theme-light-tech {
  --bg: #f5f7fc; --surface: #ffffff; --text: #14213d; --text-light: #5b6b85;
  --line: rgba(20, 33, 61, .09); --section-alt: #edf1fa; --footer-bg: #0b1226;
}
body.theme-dark-tech {
  --bg: #060a15; --surface: #0d1424; --text: #e7edf9; --text-light: #8fa0bf;
  --line: rgba(231, 237, 249, .1); --section-alt: #0a1020; --footer-bg: #04070f;
}
/* 兼容别名：部分原子样式使用 --card / --border，语义等同 --surface / --line */
body { --card: var(--surface); --border: var(--line); }

/* ---------------- 通用按钮 ---------------- */
.btn {
  display: inline-block; padding: 11px 26px; border-radius: var(--radius-pill); border: 0;
  font-size: 15px; font-weight: 600; cursor: pointer; position: relative;
  transition: transform .3s, box-shadow .3s, background .3s, color .3s;
}
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--primary) 35%, transparent);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 34px color-mix(in srgb, var(--primary) 50%, transparent); }
.btn-ghost { border: 1.5px solid var(--line); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-3px); }
.btn-lg { padding: 15px 38px; font-size: 16px; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 14px 34px rgba(0, 0, 0, .3); }
.btn-ghost-light { border: 1.5px solid rgba(255, 255, 255, .55); color: #fff; }
.btn-ghost-light:hover { background: rgba(255, 255, 255, .12); transform: translateY(-3px); }

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .35s, border-color .35s, background .35s;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 8px 30px rgba(2, 8, 23, .12); }
.header-inner { display: flex; align-items: center; gap: 28px; height: 72px; }
.logo { display: flex; align-items: center; font-size: 21px; font-weight: 800; letter-spacing: .5px; }
.logo img { height: 40px; width: auto; }
.logo-text {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.main-nav { display: flex; gap: 6px; margin-left: auto; }
.main-nav a {
  padding: 8px 15px; border-radius: var(--radius-pill); font-size: 15px; color: var(--text-light);
  position: relative; transition: color .25s, background .25s;
}
.main-nav a:hover { color: var(--primary); background: color-mix(in srgb, var(--primary) 8%, transparent); }
.main-nav a.active { color: var(--primary); font-weight: 700; background: color-mix(in srgb, var(--primary) 10%, transparent); }
.header-cta { display: flex; align-items: center; gap: 16px; }
.hotline { display: flex; flex-direction: column; line-height: 1.25; font-size: 12px; color: var(--text-light); }
.hotline strong { font-size: 17px; color: var(--text); letter-spacing: .5px; }
.hotline:hover strong { color: var(--primary); }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; font-size: 26px; color: var(--text); cursor: pointer; }

/* ---------------- Hero 大屏（背景变幻） ---------------- */
.hero {
  overflow: hidden; color: #fff; padding: 110px 0 130px;
  background: #060a18;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
/* 三层渐变场景交叉淡入淡出，形成"背景变幻"效果 */
.hero-bg i {
  position: absolute; inset: -25%; opacity: 0; filter: saturate(1.15);
  animation: heroScene 18s ease-in-out infinite;
}
.hero-bg i:nth-child(1) {
  background:
    radial-gradient(42% 55% at 18% 25%, color-mix(in srgb, var(--primary) 65%, transparent), transparent 70%),
    radial-gradient(38% 50% at 85% 75%, color-mix(in srgb, var(--accent) 55%, transparent), transparent 72%),
    linear-gradient(160deg, #050a1a, #0a1230);
}
.hero-bg i:nth-child(2) {
  background:
    radial-gradient(45% 60% at 80% 20%, color-mix(in srgb, var(--accent) 60%, transparent), transparent 70%),
    radial-gradient(40% 55% at 15% 80%, color-mix(in srgb, var(--primary) 55%, transparent), transparent 72%),
    linear-gradient(20deg, #04081a, #101335);
  animation-delay: 6s;
}
.hero-bg i:nth-child(3) {
  background:
    radial-gradient(50% 60% at 50% 10%, color-mix(in srgb, var(--primary) 55%, transparent), transparent 70%),
    radial-gradient(35% 45% at 70% 85%, color-mix(in srgb, var(--accent) 60%, transparent), transparent 75%),
    linear-gradient(200deg, #0a0e26, #050a18);
  animation-delay: 12s;
}
@keyframes heroScene {
  0% { opacity: 0; transform: scale(1.06); }
  12%, 33% { opacity: 1; transform: scale(1); }
  45%, 100% { opacity: 0; transform: scale(1.04); }
}
/* 科技感网格 */
.hero-grid {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(75% 85% at 50% 40%, #000 30%, transparent 100%);
  mask-image: radial-gradient(75% 85% at 50% 40%, #000 30%, transparent 100%);
}
/* 漂浮光球 */
.hero-glow {
  position: absolute; z-index: 1; width: 420px; height: 420px; border-radius: 50%;
  right: -80px; top: -100px; filter: blur(90px); opacity: .5;
  background: var(--grad);
  animation: floatOrb 12s ease-in-out infinite alternate;
}
@keyframes floatOrb {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-120px, 90px) scale(1.25); }
}

/* ---- 大屏动效：粒子星空（canvas 由 site.js 驱动，颜色取自 --primary/--accent） ---- */
.hero-canvas { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; }

/* ---- 大屏动效：极光流动 ---- */
.hero-aurora { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-aurora i {
  position: absolute; top: -25%; width: 55%; height: 150%; opacity: .45;
  filter: blur(80px); border-radius: 45%; mix-blend-mode: screen;
}
.hero-aurora i:nth-child(1) { left: -12%; background: var(--primary); animation: auroraSway 14s ease-in-out infinite alternate; }
.hero-aurora i:nth-child(2) { left: 26%; background: var(--accent); animation: auroraSway 17s ease-in-out 2s infinite alternate-reverse; }
.hero-aurora i:nth-child(3) { left: 58%; background: color-mix(in srgb, var(--primary) 55%, var(--accent)); animation: auroraSway 20s ease-in-out 4s infinite alternate; }
@keyframes auroraSway {
  from { transform: translateX(-6%) rotate(-8deg) scaleY(1); }
  to { transform: translateX(9%) rotate(7deg) scaleY(1.15); }
}

/* ---- 大屏动效：数据流光 ---- */
.hero-dataflow { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-dataflow i {
  position: absolute; top: -40%; width: 2px; height: 40%; opacity: .7;
  background: linear-gradient(180deg, transparent, var(--accent), transparent);
  animation: dataFall linear infinite;
}
.hero-dataflow i:nth-child(1) { left: 8%; animation-duration: 6s; }
.hero-dataflow i:nth-child(2) { left: 20%; animation-duration: 8s; animation-delay: 1.2s; }
.hero-dataflow i:nth-child(3) { left: 33%; animation-duration: 5s; animation-delay: .4s; }
.hero-dataflow i:nth-child(4) { left: 47%; animation-duration: 9s; animation-delay: 2s; }
.hero-dataflow i:nth-child(5) { left: 61%; animation-duration: 6.5s; animation-delay: .8s; }
.hero-dataflow i:nth-child(6) { left: 74%; animation-duration: 7.5s; animation-delay: 1.6s; }
.hero-dataflow i:nth-child(7) { left: 86%; animation-duration: 5.5s; animation-delay: .2s; }
.hero-dataflow i:nth-child(8) { left: 95%; animation-duration: 8.5s; animation-delay: 2.4s; }
@keyframes dataFall { to { transform: translateY(400%); } }
.hero-scan {
  position: absolute; left: 0; right: 0; height: 120px; z-index: 1;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--primary) 14%, transparent), transparent);
  animation: scanMove 7s linear infinite;
}
@keyframes scanMove { from { top: -20%; } to { top: 110%; } }

/* ---- 大屏动效：简约微动（细腻渐变呼吸） ---- */
.hero-subtle {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(70% 90% at 75% 15%, color-mix(in srgb, var(--primary) 34%, transparent), transparent 72%),
    radial-gradient(50% 70% at 12% 90%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 70%);
  animation: subtleBreathe 9s ease-in-out infinite alternate;
}
@keyframes subtleBreathe { from { opacity: .65; } to { opacity: 1; } }

/* ---- 大屏动效：涟漪脉冲（同心圆自中心向外扩散，信号发射感） ---- */
.hero-ripple { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-ripple i {
  position: absolute; left: 62%; top: 42%; width: 460px; height: 460px;
  margin: -230px 0 0 -230px; border-radius: 50%; opacity: 0;
  border: 2px solid color-mix(in srgb, var(--primary) 55%, transparent);
  animation: rippleOut 7s linear infinite;
}
.hero-ripple i:nth-child(2) { animation-delay: 1.75s; border-color: color-mix(in srgb, var(--accent) 55%, transparent); }
.hero-ripple i:nth-child(3) { animation-delay: 3.5s; }
.hero-ripple i:nth-child(4) { animation-delay: 5.25s; border-color: color-mix(in srgb, var(--accent) 55%, transparent); }
@keyframes rippleOut {
  0% { transform: scale(.1); opacity: 0; }
  12% { opacity: .8; }
  100% { transform: scale(2.6); opacity: 0; }
}

/* 大屏背景固定深色，不跟随明暗主题（亮白主题下 Hero 仍为深色沉浸效果） */

/* 用户系统偏好减少动效时，关闭大屏动画（保留静态底色） */
@media (prefers-reduced-motion: reduce) {
  .hero-bg i, .hero-glow, .hero-aurora i, .hero-dataflow i, .hero-scan, .hero-subtle, .hero-ripple i { animation: none; }
}
.hero-inner { position: relative; z-index: 2; max-width: 820px; }
.hero-title {
  font-size: clamp(34px, 5vw, 58px); font-weight: 800; line-height: 1.22; letter-spacing: 1px;
  animation: riseIn .9s .1s both;
}
/* 标题流光扫过 */
.hero-title::after { content: none; }
.hero-title span.grad {
  background: linear-gradient(110deg, #7db2ff, #c4a5ff 45%, #7db2ff 90%);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: shine 5s linear infinite;
}
@keyframes shine { to { background-position: -220% 0; } }
.hero-subtitle {
  margin-top: 22px; font-size: clamp(15px, 1.8vw, 18px); color: rgba(255, 255, 255, .78);
  max-width: 640px; animation: riseIn .9s .28s both;
}
.hero-actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; animation: riseIn .9s .45s both; }
.hero-bullets {
  display: flex; gap: 26px; list-style: none; margin-top: 42px; flex-wrap: wrap;
  animation: riseIn .9s .6s both;
}
.hero-bullets li {
  font-size: 14px; color: rgba(255, 255, 255, .85); display: flex; align-items: center; gap: 8px;
}
.hero-bullets li::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--grad); box-shadow: 0 0 12px color-mix(in srgb, var(--primary) 80%, transparent);
}
/* 下滑提示 */
.hero-scroll {
  position: absolute; left: 50%; bottom: 26px; z-index: 2; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid rgba(255, 255, 255, .45); border-radius: 14px;
}
.hero-scroll::before {
  content: ''; position: absolute; left: 50%; top: 8px; width: 4px; height: 8px;
  margin-left: -2px; border-radius: 2px; background: #fff;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot { 0% { opacity: 1; transform: translateY(0); } 70% { opacity: 0; transform: translateY(14px); } 100% { opacity: 0; } }
@keyframes riseIn { from { opacity: 0; transform: translateY(34px); } to { opacity: 1; transform: none; } }

/* ---------------- 数据带 ---------------- */
.stats-band {
  background: var(--grad); color: #fff; padding: 44px 0; position: relative; overflow: hidden;
}
.stats-band::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(60% 140% at 85% 0%, rgba(255, 255, 255, .22), transparent 60%);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.stat { text-align: center; }
.stat .num { display: block; font-size: 40px; font-weight: 800; letter-spacing: 1px; font-variant-numeric: tabular-nums; }
.stat span { font-size: 14px; opacity: .88; }

/* ---------------- 投放平台跑马灯 ---------------- */
.platform-strip {
  padding: 26px 0; background: var(--surface); border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.platform-strip .tip { text-align: center; font-size: 13px; color: var(--text-light); margin-bottom: 14px; letter-spacing: 2px; }
.marquee { display: flex; width: max-content; animation: marquee 32s linear infinite; }
.platform-strip:hover .marquee { animation-play-state: paused; }
.marquee-item {
  padding: 8px 34px; font-size: 17px; font-weight: 700; color: var(--text-light);
  white-space: nowrap; display: flex; align-items: center; gap: 12px;
  transition: color .3s;
}
.marquee-item::before { content: '◆'; font-size: 9px; color: var(--primary); opacity: .6; }
.marquee-item:hover { color: var(--primary); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------------- 通用 Section ---------------- */
.section { padding: 92px 0; }
.section-alt { background: var(--section-alt); }
.section-head { text-align: center; margin-bottom: 54px; }
.section-head h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; position: relative; display: inline-block; }
.section-head h2::after {
  content: ''; display: block; width: 56px; height: 4px; border-radius: 2px;
  background: var(--grad); margin: 14px auto 0;
}
.section-head p { color: var(--text-light); margin-top: 12px; font-size: 15px; }
.section-more { text-align: center; margin-top: 40px; }

/* ---------------- 卡片通用（悬停光晕） ---------------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.card {
  background: var(--surface); border-radius: var(--radius); padding: 30px;
  border: 1px solid var(--line); box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  transition: transform .4s cubic-bezier(.2, .7, .3, 1), box-shadow .4s, border-color .4s;
}
.card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1.5px;
  background: var(--grad); opacity: 0; transition: opacity .4s;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.card:hover::before { opacity: 1; }

/* 服务卡片：桌面一行 3 列、两行展示（富卡片：序号水印 + 图标 + 平台标签） */
.svc-grid { grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc-card { position: relative; display: flex; flex-direction: column; padding: 30px 26px 24px; overflow: hidden; }
.svc-num {
  position: absolute; right: 16px; top: -12px; font-size: 74px; font-weight: 900; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; opacity: .12; pointer-events: none;
}
.svc-top { display: flex; align-items: center; gap: 14px; }
.svc-card h3 { font-size: 18px; margin: 0; }
.svc-card p { color: var(--text-light); font-size: 14px; line-height: 1.7; flex: 1; margin: 14px 0 16px; }
.svc-icon {
  display: flex; align-items: center; justify-content: center; flex: 0 0 52px; height: 52px; border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  transition: transform .4s;
}
.svc-icon svg { width: 27px; height: 27px; color: var(--primary); }
.svc-card:hover .svc-icon { transform: scale(1.08) rotate(-4deg); }
.svc-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 14px; }
.svc-tags span {
  font-size: 12px; padding: 3px 10px; border-radius: var(--radius-pill); font-weight: 600;
  color: var(--primary); background: color-mix(in srgb, var(--primary) 9%, transparent);
}
.svc-more { font-size: 13px; font-weight: 600; color: var(--primary); opacity: 0; transform: translateX(-6px); transition: opacity .3s, transform .3s; }
.svc-card:hover .svc-more { opacity: 1; transform: none; }
@media (max-width: 1000px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .svc-grid { grid-template-columns: 1fr; } }

/* 优势大卡片（数字水印 + 亮点标签） */
.adv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.adv-card {
  position: relative; overflow: hidden;
  padding: 34px 30px 28px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  transition: transform .35s, box-shadow .35s, border-color .35s;
}
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: color-mix(in srgb, var(--primary) 35%, transparent); }
.adv-num {
  position: absolute; right: 14px; top: -14px; font-size: 92px; font-weight: 900; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; opacity: .13; pointer-events: none;
}
.adv-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.adv-icon {
  display: flex; align-items: center; justify-content: center;
  flex: 0 0 48px; height: 48px; border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.adv-icon svg { width: 24px; height: 24px; color: var(--accent); }
.adv-card h3 { font-size: 19px; }
.adv-card > p { color: var(--text-light); font-size: 14.5px; margin-bottom: 16px; }
.adv-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.adv-tags span {
  font-size: 12.5px; padding: 4px 12px; border-radius: var(--radius-pill); font-weight: 600;
  color: var(--primary); background: color-mix(in srgb, var(--primary) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 18%, transparent);
}
@media (max-width: 760px) { .adv-grid { grid-template-columns: 1fr; } }

/* 案例卡片 */
.case-card h3, .case-card h2 { font-size: 18px; margin-bottom: 8px; }
.case-img { border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 16px; }
.case-meta { font-size: 13px; color: var(--text-light); margin-bottom: 8px; }
.case-result {
  font-size: 14px; font-weight: 700; padding: 10px 14px; border-radius: var(--radius-sm);
  color: var(--primary); background: color-mix(in srgb, var(--primary) 9%, transparent);
}
.case-card p:not(.case-result):not(.case-meta) { color: var(--text-light); font-size: 14px; margin-top: 10px; }

/* 服务流程 */
.process-line { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 18px; counter-reset: step; }
.process-line li {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 20px; text-align: center; position: relative;
  transition: transform .35s, box-shadow .35s, border-color .35s;
}
.process-line li:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: color-mix(in srgb, var(--primary) 40%, transparent); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%; margin-bottom: 14px;
  background: var(--grad); color: #fff; font-weight: 800; font-size: 18px;
  box-shadow: 0 8px 20px color-mix(in srgb, var(--primary) 40%, transparent);
}
.process-line h3 { font-size: 16px; margin-bottom: 6px; }
.process-line p { font-size: 13px; color: var(--text-light); }

/* 关于品牌带 */
.about-band { background: var(--section-alt); overflow: hidden; }
.about-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 50px; align-items: center; }
.about-text h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; margin-bottom: 18px; }
.about-text p { color: var(--text-light); margin-bottom: 26px; }
.about-data { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.about-data > div {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; text-align: center; transition: transform .35s, box-shadow .35s;
}
.about-data > div:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.about-data strong { display: block; font-size: 30px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.about-data span { font-size: 13px; color: var(--text-light); }

/* 团队 */
.team-grid { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.team-card { text-align: center; }
.team-card img, .team-avatar { width: 96px; height: 96px; border-radius: 50%; margin: 0 auto 16px; object-fit: cover; }
.team-avatar { background: var(--grad); opacity: .85; }
.team-card h3 { font-size: 17px; }
.team-role { color: var(--primary); font-size: 13px; font-weight: 600; margin: 4px 0 8px; }
.team-card p:last-child { color: var(--text-light); font-size: 13.5px; }

/* 新闻卡片 */
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.news-card h3 { font-size: 17px; margin: 16px 0 8px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card p { color: var(--text-light); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card time { display: block; margin-top: 12px; font-size: 13px; color: var(--text-light); }
.news-img { border-radius: var(--radius-sm); overflow: hidden; }
.news-img img { transition: transform .6s; }
.news-card:hover .news-img img { transform: scale(1.06); }

/* FAQ */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; transition: border-color .3s, box-shadow .3s;
}
.faq-item:hover { border-color: color-mix(in srgb, var(--primary) 40%, transparent); }
.faq-item summary { font-weight: 700; cursor: pointer; list-style: none; position: relative; padding-right: 30px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-size: 22px; color: var(--primary); transition: transform .3s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { margin-top: 10px; color: var(--text-light); font-size: 14.5px; }

/* CTA 联系带 */
.cta-band {
  background: var(--grad); color: #fff; padding: 84px 0; text-align: center;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; width: 560px; height: 560px; border-radius: 50%;
  background: rgba(255, 255, 255, .14); filter: blur(70px); left: -160px; top: -200px;
  animation: floatOrb 14s ease-in-out infinite alternate;
}
.cta-inner { position: relative; }
.cta-band h2 { font-size: clamp(24px, 3.4vw, 38px); font-weight: 800; }
.cta-band p { margin-top: 14px; opacity: .9; }
.cta-actions { display: flex; gap: 18px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }

/* ---------------- 内页 Banner ---------------- */
.page-banner {
  background: linear-gradient(135deg, #060a18, color-mix(in srgb, var(--primary) 45%, #060a18));
  color: #fff; padding: 64px 0; position: relative; overflow: hidden;
}
.page-banner::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(80% 100% at 50% 0%, #000, transparent);
  mask-image: radial-gradient(80% 100% at 50% 0%, #000, transparent);
}
.page-banner h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; position: relative; }
.banner-sub { position: relative; margin-top: 10px; color: rgba(255, 255, 255, .75); font-size: 15px; }

/* ---------------- 业务专题页 ---------------- */
.svc-anchor { display: flex; flex-wrap: wrap; gap: 10px; padding: 26px 0 0; }
.svc-pill {
  padding: 9px 22px; border-radius: var(--radius-pill); font-size: 14px; font-weight: 600;
  background: var(--surface); border: 1px solid var(--line); color: var(--text-light);
  transition: all .3s;
}
.svc-pill:hover { background: var(--grad); color: #fff; border-color: transparent; transform: translateY(-2px); }
.svc-detail { padding: 74px 0; scroll-margin-top: 90px; }
.svc-detail:nth-of-type(even) { background: var(--section-alt); }
.svc-detail-head { display: flex; align-items: center; gap: 20px; margin-bottom: 28px; }
.svc-detail-head .svc-icon { width: 64px; height: 64px; border-radius: var(--radius-sm); flex: none; }
.svc-detail-head .svc-icon svg { width: 32px; height: 32px; }
.svc-detail-head h2 { font-size: clamp(22px, 2.6vw, 28px); font-weight: 800; }
.svc-detail-head p { color: var(--primary); font-weight: 600; font-size: 14.5px; margin-top: 4px; }
.svc-detail-body { display: grid; grid-template-columns: 1.2fr 1fr; gap: 34px; align-items: start; margin-bottom: 24px; }
.svc-detail-body .article-content { font-size: 15px; }
.svc-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.svc-hl {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 16px; transition: transform .3s, box-shadow .3s;
}
.svc-hl:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.svc-hl h4 { font-size: 15px; margin-bottom: 5px; color: var(--primary); }
.svc-hl p { font-size: 13px; color: var(--text-light); }
.svc-platforms {
  display: inline-block; padding: 10px 18px; border-radius: var(--radius-sm); font-size: 14px;
  background: color-mix(in srgb, var(--primary) 8%, transparent); margin-bottom: 22px;
}
.svc-platforms strong { color: var(--primary); }
@media (max-width: 900px) { .svc-detail-body { grid-template-columns: 1fr; } }
.crumbs { font-size: 13.5px; color: var(--text-light); margin-top: 12px; position: relative; }
.page-banner .crumbs { color: rgba(255, 255, 255, .7); margin-top: 10px; }
.crumbs a:hover { color: var(--primary); }

/* ---------------- 新闻列表页 ---------------- */
.list-wrap { display: grid; grid-template-columns: 1fr 250px; gap: 36px; align-items: start; }
.news-list { display: grid; gap: 18px; }
.news-row { display: flex; gap: 20px; padding: 20px; }
.news-row-img { flex: 0 0 190px; border-radius: var(--radius-sm); overflow: hidden; }
.news-row-img img { height: 100%; object-fit: cover; transition: transform .6s; }
.news-row:hover .news-row-img img { transform: scale(1.06); }
.news-row-body h2 { font-size: 18px; margin-bottom: 8px; transition: color .25s; }
.news-row:hover .news-row-body h2 { color: var(--primary); }
.news-row-body p { color: var(--text-light); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-row-meta { display: flex; gap: 16px; margin-top: 10px; font-size: 13px; color: var(--text-light); }
.side-nav { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; position: sticky; top: 92px; }
.side-nav h3 { font-size: 16px; margin-bottom: 14px; }
.side-nav a { display: block; padding: 10px 14px; border-radius: var(--radius-sm); color: var(--text-light); font-size: 14.5px; transition: all .25s; }
.side-nav a:hover, .side-nav a.active { background: color-mix(in srgb, var(--primary) 10%, transparent); color: var(--primary); font-weight: 600; }
.empty { text-align: center; color: var(--text-light); padding: 60px 0; }

/* ---------------- 文章详情 ---------------- */
.article-page { padding: 56px 0 80px; max-width: 860px; }
.article-head { margin: 22px 0 30px; }
.article-head h1 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 800; line-height: 1.4; }
.article-meta { display: flex; gap: 20px; margin-top: 14px; font-size: 13.5px; color: var(--text-light); }
.article-summary {
  margin-top: 18px; padding: 16px 20px; border-radius: var(--radius-sm); font-size: 14.5px;
  background: color-mix(in srgb, var(--primary) 7%, transparent);
  border-left: 4px solid var(--primary); color: var(--text-light);
}
.article-cover { margin: 0 0 30px; }
.article-cover img {
  width: 100%; max-height: 420px; object-fit: cover; border-radius: var(--radius);
  border: 1px solid var(--line); display: block;
}
.article-content { font-size: 16px; line-height: 2; }
.article-content p { margin-bottom: 18px; }
.article-content h2 { font-size: 22px; margin: 34px 0 16px; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 18px; }
.article-content img { border-radius: var(--radius-sm); margin: 18px 0; }
.article-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 26px; }
.article-gallery img { border-radius: var(--radius-sm); }
.article-faq { margin-top: 40px; }
.article-faq h2 { font-size: 22px; margin-bottom: 16px; }
.article-foot { margin-top: 44px; text-align: center; }

/* 关于我们页时间轴 */
.about-page .timeline { list-style: none; padding: 0; margin: 8px 0 10px; position: relative; }
.about-page .timeline::before {
  content: ''; position: absolute; left: 33px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(var(--primary), var(--accent)); opacity: .5;
}
.about-page .timeline li { position: relative; padding: 10px 0 10px 76px; }
.about-page .timeline li::before {
  content: ''; position: absolute; left: 27px; top: 20px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--grad);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--primary) 15%, transparent);
}
.about-page .timeline strong {
  position: absolute; left: 0; top: 12px; width: 52px; text-align: right;
  color: var(--primary); font-size: 15px;
}

/* ---------------- 联系我们 ---------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 44px; align-items: start; }
.contact-info h2 { font-size: 24px; margin-bottom: 18px; }
.contact-info p { margin-bottom: 12px; color: var(--text-light); }
.contact-info a:hover { color: var(--primary); }
.qrcode { margin-top: 20px; text-align: center; }
.qrcode img { width: 150px; border-radius: var(--radius-sm); margin: 0 auto; }
.qrcode span { display: block; font-size: 13px; color: var(--text-light); margin-top: 8px; }
.contact-form { display: grid; gap: 14px; padding: 34px; }
.contact-form h2 { font-size: 20px; margin-bottom: 6px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm); font-size: 14.5px;
  border: 1.5px solid var(--line); background: var(--bg); color: var(--text);
  transition: border-color .3s, box-shadow .3s; font-family: inherit;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 15%, transparent);
}
.form-tip { font-size: 12.5px; color: var(--text-light); text-align: center; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: var(--footer-bg); color: #cbd5e1; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 40px; padding: 60px 0 44px; }
.footer-brand strong { font-size: 20px; color: #fff; }
.footer-brand p { margin-top: 10px; font-size: 14px; }
.footer-desc { opacity: .65; font-size: 13px !important; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col a, .footer-col p { display: block; font-size: 14px; margin-bottom: 10px; opacity: .8; transition: opacity .25s, color .25s; }
.footer-col a:hover { opacity: 1; color: #7db2ff; }
.footer-nav-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: 28px; }
.f-ic { display: inline-flex; width: 16px; height: 16px; margin-right: 8px; vertical-align: -3px; color: #7db2ff; }
.f-ic svg { width: 100%; height: 100%; }
.footer-links { padding: 16px 0; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 13px; opacity: .75; }
.footer-links a { margin-right: 14px; }
.footer-links a:hover { color: #7db2ff; }
.footer-copy { border-top: 1px solid rgba(255, 255, 255, .08); padding: 18px 0; font-size: 13px; opacity: .7; }
.footer-copy a:hover { color: #7db2ff; }

/* ---------------- 滚动显现动画 ---------------- */
.card, .adv-card, .process-line li, .section-head, .stat, .about-data > div, .faq-item, .svc-hl {
  opacity: 0; transform: translateY(30px);
  transition: opacity .7s cubic-bezier(.2, .7, .3, 1), transform .7s cubic-bezier(.2, .7, .3, 1), box-shadow .4s, border-color .4s;
}
.card.in-view, .adv-card.in-view, .process-line li.in-view, .section-head.in-view,
.stat.in-view, .about-data > div.in-view, .faq-item.in-view, .svc-hl.in-view { opacity: 1; transform: none; }
/* 交错延迟（覆盖到 8 张卡片：案例区 4 列 × 2 行） */
.card-grid > :nth-child(2), .adv-grid > :nth-child(2), .process-line > :nth-child(2), .stats-grid > :nth-child(2) { transition-delay: .1s; }
.card-grid > :nth-child(3), .adv-grid > :nth-child(3), .process-line > :nth-child(3), .stats-grid > :nth-child(3) { transition-delay: .2s; }
.card-grid > :nth-child(4), .adv-grid > :nth-child(4), .process-line > :nth-child(4), .stats-grid > :nth-child(4) { transition-delay: .3s; }
.card-grid > :nth-child(5), .process-line > :nth-child(5) { transition-delay: .15s; }
.card-grid > :nth-child(6), .process-line > :nth-child(6) { transition-delay: .25s; }
.card-grid > :nth-child(7) { transition-delay: .35s; }
.card-grid > :nth-child(8) { transition-delay: .45s; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 960px) {
  .about-inner, .contact-grid, .list-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .side-nav { position: static; }
}
@media (max-width: 900px) {
  .main-nav {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; padding: 14px 5%;
    background: var(--surface); border-bottom: 1px solid var(--line);
    transform: translateY(-130%); transition: transform .4s; z-index: 99;
  }
  .site-header.nav-open .main-nav { transform: none; }
  .nav-toggle { display: block; }
  .header-cta .hotline { display: none; }
  .header-inner { height: 64px; }
}
@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .hero { padding: 80px 0 100px; }
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .news-row { flex-direction: column; }
  .news-row-img { flex: none; width: 100%; height: 180px; }
  .header-cta .btn { display: none; }
}

/* 裂图占位：加载失败替换后的统一外观 */
img.img-fallback { object-fit: cover; background: #eef1f6; border-radius: var(--radius-sm); opacity: .85; }
.article-content img.img-fallback { max-height: 320px; width: 100%; }

/* ---------------- 列表分页 ---------------- */
.pagination { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center; margin: 36px 0 8px; }
.pagination a, .pagination .pg-cur, .pagination .pg-edge, .pagination .pg-gap {
  min-width: 40px; height: 40px; padding: 0 14px; display: inline-flex;
  align-items: center; justify-content: center; border-radius: var(--radius-sm); font-size: 14px;
}
.pagination a { background: var(--surface); border: 1px solid var(--line); color: var(--text); transition: all .25s; }
.pagination a:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.pagination .pg-cur { background: var(--grad); color: #fff; font-weight: 600; box-shadow: var(--shadow); }
.pagination .pg-edge { background: var(--surface); border: 1px solid var(--line); color: var(--text); }
a.pg-edge:hover { border-color: var(--primary); color: var(--primary); }
.pagination .pg-off { opacity: .38; pointer-events: none; }
.pagination .pg-gap { border: none; opacity: .5; min-width: 24px; }

/* ---------------- 上一篇/下一篇 ---------------- */
.article-pn { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin: 40px 0 0; padding-top: 26px; border-top: 1px solid var(--line); }
.article-pn a, .article-pn .pn-empty { flex: 1; min-width: 240px; max-width: 49%; padding: 14px 18px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); font-size: 14px; transition: all .25s; }
.article-pn a:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.article-pn a span { display: block; font-size: 12px; color: var(--text-light); margin-bottom: 4px; }
.article-pn a:last-child:not(:first-child) { text-align: right; }
.article-pn .pn-empty { display: flex; align-items: center; justify-content: center; color: var(--text-light); opacity: .6; }

/* ---------------- 相关文章 ---------------- */
.article-related { margin-top: 48px; }
.article-related h2 { font-size: 24px; margin-bottom: 22px; }

/* ---------------- 404 ---------------- */
.notfound { text-align: center; padding: 60px 0 80px; }
.notfound .nf-code {
  font-size: 110px; font-weight: 800; line-height: 1.1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.notfound h1 { font-size: 26px; margin: 14px 0 10px; }
.notfound > p { color: var(--text-light); margin-bottom: 34px; }
.notfound .nf-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* 降低动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* ===================================================================== */
/* 业务范围矩阵（单业务独立站首页 + 专题页共用） */
/* ===================================================================== */
.scope-group { margin-bottom: 30px; }
.scope-group:last-child { margin-bottom: 0; }
.scope-dim { display: flex; align-items: center; gap: 10px; font-size: 17px; margin: 0 0 14px; }
.scope-icon {
  display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--primary) 12%, transparent); color: var(--primary); flex: 0 0 auto;
}
.scope-icon svg { width: 18px; height: 18px; }
.scope-items { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.scope-item {
  display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--border); color: var(--text); text-decoration: none;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.scope-item strong { font-size: 15px; font-weight: 600; }
.scope-item span { font-size: 12px; color: var(--text-light); line-height: 1.5; }
.scope-item:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: 0 10px 24px color-mix(in srgb, var(--primary) 16%, transparent); }
@media (max-width: 1000px) { .scope-items { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .scope-items { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .scope-items { grid-template-columns: 1fr; } }

/* ===================================================================== */
/* 单业务专题单页 */
/* ===================================================================== */
/* 痛点对比两栏 */
.topic-vs { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.topic-vs-col { border-radius: var(--radius); padding: 28px; border: 1px solid var(--border); background: var(--card); }
.topic-vs-col h3 { margin: 0 0 16px; font-size: 18px; }
.topic-vs-bad h3 { color: var(--text-light); }
.topic-vs-good { border-color: color-mix(in srgb, var(--primary) 45%, transparent); background: linear-gradient(160deg, color-mix(in srgb, var(--primary) 8%, var(--card)), var(--card)); }
.topic-vs-good h3 { color: var(--primary); }
.topic-vs-col ul { margin: 0; padding: 0; list-style: none; }
.topic-vs-col li { position: relative; padding: 9px 0 9px 26px; line-height: 1.7; border-bottom: 1px dashed var(--border); font-size: 14.5px; }
.topic-vs-col li:last-child { border-bottom: none; }
.topic-vs-col li::before { content: ''; position: absolute; left: 2px; top: 17px; width: 9px; height: 9px; border-radius: 50%; background: var(--border); }
.topic-vs-good li::before { background: var(--grad); }
@media (max-width: 800px) { .topic-vs { grid-template-columns: 1fr; } }

/* 优化体系步骤 */
.topic-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.topic-step { position: relative; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px 22px; overflow: hidden; }
.topic-step h3 { margin: 0 0 8px; font-size: 16px; }
.topic-step p { margin: 0; color: var(--text-light); font-size: 13.5px; line-height: 1.7; }
.ts-num {
  position: absolute; right: 14px; top: -14px; font-size: 64px; font-weight: 900; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; opacity: .14; pointer-events: none;
}
@media (max-width: 900px) { .topic-steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .topic-steps { grid-template-columns: 1fr; } }

/* 服务报告/价值点卡片 */
.topic-report, .topic-values { grid-template-columns: repeat(4, 1fr); }
.topic-report .card h3, .topic-values .card h3 { font-size: 16px; margin: 0 0 8px; }
.topic-report .card p, .topic-values .card p { margin: 0; color: var(--text-light); font-size: 13.5px; line-height: 1.7; }
@media (max-width: 1000px) { .topic-report, .topic-values { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .topic-report, .topic-values { grid-template-columns: 1fr; } }

/* 专题页案例卡 */
.topic-cases { grid-template-columns: repeat(3, 1fr); }
.topic-case { display: flex; flex-direction: column; }
.topic-case img { width: 100%; height: 170px; object-fit: cover; border-radius: var(--radius-sm); margin-bottom: 14px; }
.topic-case h3 { margin: 0 0 6px; font-size: 16px; }
.topic-case p { color: var(--text-light); font-size: 13.5px; line-height: 1.7; margin: 8px 0 12px; flex: 1; }
.tc-ind { display: inline-block; align-self: flex-start; padding: 2px 10px; border-radius: var(--radius-pill); font-size: 12px; color: var(--primary); background: color-mix(in srgb, var(--primary) 10%, transparent); }
.tc-metrics { display: flex; flex-wrap: wrap; gap: 8px; }
.tc-metrics span {
  padding: 6px 12px; border-radius: var(--radius-sm); font-size: 12.5px; font-weight: 600; color: var(--primary);
  background: color-mix(in srgb, var(--primary) 9%, transparent); border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent);
}
@media (max-width: 900px) { .topic-cases { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .topic-cases { grid-template-columns: 1fr; } }

/* 底部转化条 */
.topic-cta { text-align: center; background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 10%, transparent), color-mix(in srgb, var(--accent) 10%, transparent)); }
.topic-cta h2 { font-size: 26px; margin: 0 0 10px; }
.topic-cta p { color: var(--text-light); margin: 0 0 22px; }
.btn-lg { padding: 14px 38px; font-size: 16px; }


/* ------------------------- 专题页锚点子导航 ------------------------- */
.topic-nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.95);backdrop-filter:blur(6px);border-bottom:1px solid var(--border,#e5e7eb)}
.topic-nav .container{display:flex;gap:6px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none}
.topic-nav .container::-webkit-scrollbar{display:none}
.topic-nav a{flex:0 0 auto;padding:6px 14px;border-radius:var(--radius-pill);font-size:13px;color:var(--text,#374151);background:#f3f4f6;text-decoration:none;white-space:nowrap}
.topic-nav a:hover{color:var(--primary,#1a56db);background:rgba(26,86,219,.08)}
main section[id]{scroll-margin-top:60px}

/* ------------------------- 案例详情 ------------------------- */
.case-more{display:inline-block;margin-top:6px;color:var(--primary,#1a56db);font-size:13px}
.case-metrics{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.case-metrics span{padding:8px 14px;border-radius:var(--radius-sm);background:rgba(26,86,219,.07);color:var(--primary,#1a56db);font-weight:600;font-size:14px}

/* ------------------------- 移动端底部 CTA 条 ------------------------- */
.mcta{display:none}
.mcta-mask{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:20px}
.mcta-mask[hidden]{display:none}
.mcta-pop{background:#fff;border-radius:var(--radius);padding:20px;text-align:center;max-width:280px}
.mcta-pop img{width:200px;height:200px;object-fit:contain;border-radius:var(--radius-sm)}
.mcta-pop p{margin:10px 0;font-size:13px;color:#4b5563}
@media (max-width: 768px) {
  .mcta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;border-top:1px solid var(--border,#e5e7eb);box-shadow:0 -2px 12px rgba(0,0,0,.08);padding-bottom:env(safe-area-inset-bottom)}
  .mcta-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0;font-size:12px;color:#374151;background:none;border:0;text-decoration:none;cursor:pointer;font-family:inherit}
  .mcta-ico{font-size:18px;line-height:1}
  .mcta-tel{color:var(--primary,#1a56db);font-weight:600}
  body{padding-bottom:64px}
}

/* ===================================================================== */
/* P0 页面丰富化板块（样式固化，后台只换文字） */
/* ===================================================================== */

/* 客户评价 */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.testi-card {
  margin: 0; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px;
  display: flex; flex-direction: column; gap: 16px; position: relative;
}
.testi-card::before { content: '\201C'; position: absolute; top: 6px; right: 18px; font-size: 56px; line-height: 1; color: var(--primary); opacity: .15; font-family: Georgia, serif; }
.testi-card blockquote { margin: 0; font-size: 14px; line-height: 1.8; color: var(--text); flex: 1; }
.testi-card figcaption { display: flex; align-items: baseline; gap: 8px; font-size: 13px; }
.testi-card figcaption strong { color: var(--primary); font-size: 14px; }
.testi-card figcaption span { color: var(--text-light); }
@media (max-width: 900px) { .testi-grid { grid-template-columns: 1fr; } }

/* 发展历程时间轴：年份胶囊徽章 + 事件卡片 */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; max-width: 820px; margin-inline: auto; }
.timeline::before { content: ''; position: absolute; left: 59px; top: 10px; bottom: 10px; width: 2px; background: linear-gradient(180deg, var(--primary), var(--accent)); opacity: .3; }
.timeline li { position: relative; padding: 0 0 20px 140px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before { content: ''; position: absolute; left: 56px; top: 13px; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 16%, transparent); }
.tl-year {
  position: absolute; left: 0; top: 1px; width: 112px; text-align: center;
  background: var(--grad); color: #fff; font-weight: 800; font-size: 15px; letter-spacing: .5px;
  padding: 8px 0; border-radius: var(--radius-sm); box-shadow: 0 6px 18px color-mix(in srgb, var(--primary) 30%, transparent);
}
.timeline p {
  margin: 0; padding: 15px 20px; color: var(--text-light); font-size: 14px; line-height: 1.8;
  background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--primary);
  border-radius: var(--radius); box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s;
}
.timeline li:hover p { transform: translateX(4px); box-shadow: var(--shadow-hover); }
@media (max-width: 640px) {
  .timeline::before { left: 4px; }
  .timeline li { padding: 0 0 22px 26px; }
  .timeline li::before { left: 1px; top: 6px; }
  .tl-year { position: static; display: inline-block; width: auto; padding: 5px 14px; margin-bottom: 10px; text-align: left; }
}

/* 荣誉资质墙：渐变奖章圆徽 + 扫光卡面 */
.honor-wall { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.honor-wall li {
  position: relative; overflow: hidden; display: flex; align-items: center; gap: 16px;
  padding: 22px; border-radius: var(--radius); font-size: 14.5px; font-weight: 600; line-height: 1.55;
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.honor-wall li::before {
  content: ''; position: absolute; top: 0; left: -70%; width: 45%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .35), transparent);
  transform: skewX(-20deg); transition: left .6s ease;
}
.honor-wall li:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: color-mix(in srgb, var(--primary) 40%, transparent); }
.honor-wall li:hover::before { left: 130%; }
.honor-wall li svg {
  width: 46px; height: 46px; flex: 0 0 46px; padding: 10px; color: #fff; border-radius: 50%;
  background: var(--grad); box-shadow: 0 6px 14px color-mix(in srgb, var(--primary) 35%, transparent);
}
@media (max-width: 900px) { .honor-wall { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .honor-wall { grid-template-columns: 1fr; } }

/* 企业价值观卡片：序号圆徽（复用卡片悬浮样式） */
.value-cards { counter-reset: vcard; }
.value-cards .card { padding: 34px 30px 28px; }
.value-cards .card h3 { display: flex; align-items: center; gap: 12px; font-size: 16.5px; margin: 0 0 12px; }
.value-cards .card h3::before {
  content: counter(vcard, decimal-leading-zero); counter-increment: vcard;
  display: flex; align-items: center; justify-content: center;
  flex: 0 0 36px; height: 36px; border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary); font-size: 14px; font-weight: 800;
}
.value-cards .card p { margin: 0; color: var(--text-light); font-size: 13.5px; line-height: 1.8; }

/* 服务承诺：盾牌渐变徽 + 编号角标水印 */
.promise-strip { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; counter-reset: promise; }
.promise-strip li {
  position: relative; display: flex; gap: 16px; align-items: flex-start; padding: 24px;
  border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line);
  box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s, border-color .3s;
}
.promise-strip li::after {
  content: counter(promise, decimal-leading-zero); counter-increment: promise;
  position: absolute; right: 14px; top: 10px; font-size: 42px; font-weight: 900; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; opacity: .14; pointer-events: none;
}
.promise-strip li:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: color-mix(in srgb, var(--primary) 35%, transparent); }
.promise-strip li svg {
  width: 48px; height: 48px; flex: 0 0 48px; padding: 11px; margin-top: 2px; color: #fff;
  border-radius: var(--radius-sm); background: var(--grad);
  box-shadow: 0 6px 14px color-mix(in srgb, var(--primary) 30%, transparent);
}
.promise-strip strong { display: block; font-size: 15.5px; margin-bottom: 5px; }
.promise-strip span { color: var(--text-light); font-size: 13px; line-height: 1.7; }
@media (max-width: 720px) { .promise-strip { grid-template-columns: 1fr; } }

/* 案例列表：行业筛选条 */
.case-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.cf-btn {
  padding: 7px 18px; border-radius: var(--radius-pill); border: 1px solid var(--border); background: var(--card);
  color: var(--text); font-size: 13px; cursor: pointer; transition: all .2s; font-family: inherit;
}
.cf-btn:hover { border-color: var(--primary); color: var(--primary); }
.cf-btn.active { background: var(--grad); color: #fff; border-color: transparent; }

/* 案例详情：四段式结构 */
.case-struct { display: grid; gap: 16px; margin: 26px 0; }
.cs-item { background: var(--card); border: 1px solid var(--border); border-left: 3px solid var(--primary); border-radius: var(--radius); padding: 20px 24px; }
.cs-item h2 { display: flex; align-items: center; gap: 10px; font-size: 17px; margin: 0 0 10px; }
.cs-num { font-size: 13px; font-weight: 800; color: #fff; background: var(--grad); border-radius: var(--radius-sm); padding: 2px 8px; }
.cs-item p { margin: 0; color: var(--text-light); font-size: 14px; line-height: 1.9; }

/* 案例详情：客户评价引语 */
.case-quote {
  margin: 30px 0; padding: 26px 30px; border-radius: var(--radius); font-size: 16px; line-height: 1.9;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 8%, transparent), color-mix(in srgb, var(--accent) 8%, transparent));
  border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent);
}
.case-quote cite { display: block; margin-top: 12px; font-style: normal; font-size: 13px; color: var(--text-light); }

/* 新闻列表：置顶精选 */
.news-featured { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.nf-card {
  position: relative; border-radius: var(--radius); overflow: hidden; text-decoration: none; color: #fff;
  display: flex; flex-direction: column; min-height: 260px; background: var(--card); border: 1px solid var(--border);
  transition: transform .25s, box-shadow .25s;
}
.nf-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px color-mix(in srgb, var(--primary) 18%, transparent); }
.nf-img { height: 150px; overflow: hidden; }
.nf-img img { width: 100%; height: 100%; object-fit: cover; }
.nf-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; }
.nf-tag { align-self: flex-start; font-size: 11px; font-weight: 700; color: #fff; background: var(--grad); border-radius: var(--radius-sm); padding: 2px 8px; }
.nf-body h2 { margin: 0; font-size: 15px; line-height: 1.5; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nf-body p { margin: 0; font-size: 12.5px; color: var(--text-light); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nf-body time { font-size: 12px; color: var(--text-light); }
@media (max-width: 900px) { .news-featured { grid-template-columns: 1fr; } }

/* 自定义单页版式：cards / landing */
.page-intro { font-size: 16px; line-height: 2; color: var(--text); max-width: 820px; margin: 0 auto 30px; text-align: center; }
.page-cards { grid-template-columns: repeat(3, 1fr); }
.page-cards .card h2 { font-size: 16px; margin: 0 0 8px; }
.page-cards .card p { margin: 0; color: var(--text-light); font-size: 13.5px; line-height: 1.7; }
@media (max-width: 900px) { .page-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .page-cards { grid-template-columns: 1fr; } }

/* ===== TAG 标签聚合页 ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-chip{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-pill);background:var(--card);border:1px solid var(--border);color:var(--text);font-size:14px;text-decoration:none;transition:.2s}
.tag-chip:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.tag-chip span{font-size:12px;color:var(--text-light);background:var(--bg,#f0f2f8);border-radius:var(--radius-sm);padding:1px 8px}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.article-tags .tag-chip{padding:5px 12px;font-size:13px}

/* ===== 内容实体页（产品中心/下载中心，模块 1.1） ===== */
.ent-gallery{display:grid;gap:12px;margin-bottom:22px}
.ent-main{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--card)}
.ent-main img{width:100%;max-height:420px;object-fit:contain;display:block}
.ent-thumbs{display:flex;gap:10px;flex-wrap:wrap}
.ent-thumbs img{width:86px;height:64px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--border);cursor:pointer}
.ent-info{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.ent-chip{display:inline-flex;gap:4px;padding:7px 14px;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--primary) 8%,transparent);border:1px solid color-mix(in srgb,var(--primary) 20%,transparent);font-size:13px}
.ent-chip strong{color:var(--primary)}
.ent-params{margin:26px 0}
.ent-params h2{font-size:18px;margin:0 0 14px}
.spec-wrap{overflow-x:auto}
.param-table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;font-size:14px}
.param-table th,.param-table td{padding:11px 16px;border-bottom:1px solid var(--border);text-align:left;line-height:1.7}
.param-table th{width:220px;color:var(--text-light);font-weight:600;background:color-mix(in srgb,var(--primary) 5%,transparent)}
.param-table tr:last-child th,.param-table tr:last-child td{border-bottom:none}
.spec-matrix th{width:auto}
.spec-matrix thead th{background:var(--grad);color:#fff;font-weight:700}
.ent-hl{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}
.ent-hl div{padding:18px;border-radius:var(--radius);background:var(--card);border:1px solid var(--border);border-left:3px solid var(--primary);font-size:14px;line-height:1.7}
@media (max-width:720px){.ent-hl{grid-template-columns:1fr}.param-table th{width:130px}}

/* ===== 布局原子新变体（模块 1.2） ===== */
/* Logo 墙·静态网格 */
.logo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.logo-cell{display:flex;align-items:center;justify-content:center;min-height:74px;padding:14px;border-radius:var(--radius);background:var(--card);border:1px solid var(--border);color:var(--text-light);font-size:14px;font-weight:600;filter:grayscale(.6);transition:.25s}
.logo-cell:hover{filter:none;border-color:color-mix(in srgb,var(--primary) 35%,transparent);transform:translateY(-3px)}
.logo-cell img{max-height:44px;max-width:100%}
/* 时间轴·水平滚动 */
.timeline-h{display:flex;gap:0;overflow-x:auto;padding:10px 4px 18px;position:relative}
.timeline-h::before{content:'';position:absolute;top:29px;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.35}
.tl-h-item{flex:0 0 220px;padding:0 18px;position:relative}
.tl-h-item::before{content:'';position:absolute;top:24px;left:50%;width:12px;height:12px;border-radius:50%;background:var(--grad);transform:translateX(-50%);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 18%,transparent)}
/* 必须重置垂直轴线变体 .tl-year 的绝对定位/定宽/渐变徽章样式，否则徽章脱离文档流导致水平时间轴排版错乱（已踩坑） */
.tl-h-item .tl-year{position:static;display:inline-block;width:auto;margin:34px 0 8px;padding:0;background:none;box-shadow:none;font-weight:800;color:var(--primary);font-size:16px;letter-spacing:normal}
.tl-h-item p{margin:0;color:var(--text-light);font-size:13.5px;line-height:1.7}
/* 问答折叠·双列 */
.faq-cols{columns:2;column-gap:22px}
.faq-cols .faq-item{break-inside:avoid}
@media (max-width:820px){.faq-cols{columns:1}}
/* 流程步骤·纵向卡片 */
.steps-vert{display:flex;flex-direction:column;gap:14px;max-width:760px;margin:0 auto}
.sv-card{display:flex;gap:18px;align-items:flex-start;padding:20px 24px;border-radius:var(--radius);background:var(--card);border:1px solid var(--border);position:relative;transition:.25s}
.sv-card:hover{transform:translateX(6px);border-color:color-mix(in srgb,var(--primary) 35%,transparent)}
.sv-card h3{margin:0 0 6px;font-size:16px}
.sv-card p{margin:0;color:var(--text-light);font-size:13.5px;line-height:1.7}
/* 客户评价·轮播 */
.testi-carousel{position:relative;overflow:hidden}
.testi-carousel .testi-card{display:none;margin:0}
.testi-carousel .testi-card.on{display:block}
.tc-dots{display:flex;gap:8px;justify-content:center;margin-top:18px}
.tc-dots button{width:10px;height:10px;border-radius:50%;border:none;background:var(--border);cursor:pointer;padding:0}
.tc-dots button.on{background:var(--primary);transform:scale(1.25)}
/* 团队·列表+资质栏 */
.team-list{display:flex;flex-direction:column;gap:14px}
.tl-row{display:flex;gap:18px;align-items:center;padding:18px 22px;border-radius:var(--radius);background:var(--card);border:1px solid var(--border)}
.tl-row>img,.tl-row .team-avatar{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:0 0 64px}
.tl-main{flex:1;min-width:0}
.tl-main h3{margin:0 0 2px;font-size:16px}
.tl-main p{margin:0}
.tl-certs{display:flex;flex-wrap:wrap;gap:6px}
.tl-certs span{font-size:12px;padding:4px 10px;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--primary) 10%,transparent);color:var(--primary)}
@media (max-width:720px){.tl-row{flex-wrap:wrap}}
/* 荣誉·证书图墙 */
.cert-wall{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cert-wall li{display:flex;flex-direction:column;align-items:center;gap:10px;padding:18px;border-radius:var(--radius);background:var(--card);border:1px solid var(--border);text-align:center;font-size:13px;transition:.25s}
.cert-wall li:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.cert-wall img{width:100%;height:130px;object-fit:cover;border-radius:var(--radius-sm)}
@media (max-width:900px){.cert-wall{grid-template-columns:repeat(2,1fr)}}
/* 文字卡片·序号圆徽/编号水印 */
.tc-badge{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;margin-bottom:12px}
.tc-wm-cards .card{position:relative;overflow:hidden}
.tc-wm{position:absolute;right:10px;top:2px;font-size:56px;font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;opacity:.14;pointer-events:none}
/* 视频媒体位 */
.video-frame{position:relative;border-radius:var(--radius);overflow:hidden;background:#0b1020;aspect-ratio:16/9}
.video-frame video,.video-frame iframe{width:100%;height:100%;border:none;display:block}
.video-frame>img{width:100%;height:100%;object-fit:cover;opacity:.82}
.video-ph{width:100%;height:100%;background:linear-gradient(135deg,#101830,#1a2440)}
.video-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:74px;height:74px;border-radius:50%;border:none;background:var(--grad);color:#fff;font-size:24px;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.4);transition:.25s}
.video-play:hover{transform:translate(-50%,-50%) scale(1.08)}
/* 表单转化条·侧栏表单 */
.cta-form-inner{display:flex;gap:36px;align-items:center;flex-wrap:wrap}
.cta-form-text{flex:1;min-width:260px}
.lead-form{display:flex;gap:10px;flex-wrap:wrap}
.lead-form input{padding:12px 16px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.12);color:#fff;font-size:14px;min-width:150px}
.lead-form input::placeholder{color:rgba(255,255,255,.7)}
@media (max-width:720px){.cta-form-inner{flex-direction:column;align-items:stretch}}
/* 数据带·数字+图标 */
.stats-icons .stat svg{width:30px;height:30px;color:#fff;opacity:.9;margin-bottom:4px}
.stats-icons .stat{display:flex;flex-direction:column;align-items:center}
/* 图文交替 */
.it-cols{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.it-cols.it-rev .it-img{order:2}
.it-img img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.it-text h2{font-size:26px;margin:0 0 14px}
.it-text p{color:var(--text-light);line-height:1.9;margin:0 0 14px}
.it-points{margin:0 0 18px;padding:0;list-style:none}
.it-points li{padding:5px 0 5px 24px;position:relative;color:var(--text);font-size:14.5px}
.it-points li::before{content:'✓';position:absolute;left:0;color:var(--primary);font-weight:800}
.it-bg-band{background-size:cover;background-position:center;color:#fff}
.it-bg-inner{text-align:center;max-width:720px;margin:0 auto;padding:30px 0}
.it-bg-inner h2{color:#fff;font-size:28px}
.it-bg-inner p{color:rgba(255,255,255,.85);line-height:1.9}
@media (max-width:820px){.it-cols{grid-template-columns:1fr}.it-cols.it-rev .it-img{order:0}}
/* 两栏痛点对比 */
.pain-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pain-col{border-radius:var(--radius);padding:26px;border:1px solid var(--border)}
.pain-col h3{margin:0 0 14px;font-size:17px}
.pain-col ul{margin:0;padding:0;list-style:none}
.pain-col li{padding:7px 0 7px 26px;position:relative;font-size:14px;line-height:1.7;color:var(--text-light)}
.pain-bad{background:color-mix(in srgb,#e05252 6%,var(--card))}
.pain-bad li::before{content:'✕';position:absolute;left:2px;color:#e05252;font-weight:800}
.pain-good{background:color-mix(in srgb,var(--primary) 6%,var(--card));border-color:color-mix(in srgb,var(--primary) 30%,transparent)}
.pain-good li::before{content:'✓';position:absolute;left:2px;color:var(--primary);font-weight:800}
@media (max-width:720px){.pain-cols{grid-template-columns:1fr}}
/* 多套餐对比 */
.plan-price{display:block;font-size:12px;font-weight:400;opacity:.85;margin-top:2px}
.plan-table tfoot td{padding:14px 16px}
/* 服务区域 */
.region-tags{display:flex;flex-wrap:wrap;gap:10px}
.region-tags span{padding:8px 18px;border-radius:var(--radius-pill);background:var(--card);border:1px solid var(--border);font-size:13.5px;transition:.2s}
.region-list span:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.region-map{margin-bottom:20px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.region-map iframe{width:100%;height:360px;display:block}
/* 下载资源 */
.dl-cards .dl-card{text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;padding:28px 22px}
.dl-ico svg{width:44px;height:44px;color:var(--primary)}
.dl-card h3{margin:0;font-size:15.5px}
.dl-card .btn{margin-top:auto}
/* 分类页签 */
.fl-tabs{border-bottom:1px solid var(--border);border-radius:0;padding-bottom:10px}
.fl-tabs .cf-btn{border-radius:var(--radius-sm) var(--radius-sm) 0 0}

/* ============================================================
   底色配色（4 套，只管颜色；圆角由 body.radius-* 独立控制）
   主色/辅色仍由构建时注入 :root --primary / --accent 覆盖
   ============================================================ */

/* 温暖亲和风：暖米底、柔和阴影（教育、医疗、生活服务） */
body.theme-warm-trust {
  --bg: #fdf8f3; --surface: #ffffff; --text: #3d3229; --text-light: #857867;
  --line: rgba(93, 74, 55, .12); --section-alt: #f7efe5; --footer-bg: #2e2620;
  --shadow: 0 10px 30px rgba(122, 90, 60, .08);
  --shadow-hover: 0 20px 50px rgba(122, 90, 60, .18);
}

/* 工业稳重风：低饱和蓝灰、无炫技（机械、建材、仪器仪表） */
body.theme-industrial-steel {
  --bg: #f2f4f7; --surface: #ffffff; --text: #1c2733; --text-light: #5c6b7a;
  --line: rgba(28, 39, 51, .14); --section-alt: #e9edf2; --footer-bg: #141b24;
  --shadow: 0 4px 16px rgba(18, 30, 42, .07);
  --shadow-hover: 0 14px 32px rgba(18, 30, 42, .16);
}
body.theme-industrial-steel .btn-primary { box-shadow: none; }
body.theme-industrial-steel .btn-primary:hover { transform: translateY(-1px); }

/* ============================================================
   圆角风格（4 档，与底色配色正交；头像/步骤圆徽/时间线圆点等圆形元素不受影响）
   小圆角（radius-md）用 :root 默认值，无需覆盖
   ============================================================ */
body.radius-lg { --radius: 22px; --radius-sm: 16px; --radius-pill: 999px; }
body.radius-sm { --radius: 6px; --radius-sm: 4px; --radius-pill: 8px; }
body.radius-none { --radius: 0; --radius-sm: 0; --radius-pill: 0; }

/* 后台配色覆盖 */
:root{--primary:#059669;}