/* ============================================================
   衡阳微众科技 · 企业官网样式表（PC + 移动端响应式）
   设计基调：科技蓝 + 青绿渐变，浅色内容区，统一圆角与阴影
   ============================================================ */

:root {
  --blue: #2563eb;
  --blue-deep: #1e3a8a;
  --blue-ink: #0f2557;
  --cyan: #06b6d4;
  --teal: #0d9488;
  --violet: #7c3aed;
  --amber: #d97706;
  --bg: #f5f7fb;
  --card: #ffffff;
  --ink: #16233a;
  --ink-2: #46566e;
  --ink-3: #8494a7;
  --line: #e2e8f1;
  --grad: linear-gradient(120deg, #1e3a8a 0%, #2563eb 55%, #0d9488 120%);
  --grad-soft: linear-gradient(120deg, #2563eb, #06b6d4);
  --radius: 14px;
  --shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 4px 14px rgba(16, 24, 40, .06);
  --shadow-lg: 0 10px 30px rgba(30, 58, 138, .16);
  --header-h: 68px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--card);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue); text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
.container { width: min(1180px, 92%); margin: 0 auto; }
/* ---------- 通用标题 ---------- */
.sec { padding: 52px 0; }
:where(.nav-index) .sec { padding: 32px 0; }
.sec.alt { background: #fff; }
.sec-rule { height: 1px; background: var(--line); margin: 0 0 46px; }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 38px; }
:where(.nav-index) .sec-head { margin-bottom: 32px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 2px;
  color: var(--blue); background: #e8efff;
  border: 1px solid #d4e2ff; border-radius: 999px; padding: 4px 16px;
  margin-bottom: 16px;
}
.sec-title { font-size: clamp(24px, 3.4vw, 34px); line-height: 1.3; color: var(--ink); }
.sec-title em { font-style: normal; color: var(--blue); }
.sec-sub { color: var(--ink-2); margin-top: 12px; font-size: 15.5px; }
.sec-title--core { font-size: 40px; line-height: 1.2; }
.core-divider { width: 90px; height: 3px; margin: 12px auto; border-radius: 3px; background: linear-gradient(90deg, transparent, #60A5FA 35%, #34D399 65%, transparent); }
.muted { color: var(--ink-3); font-size: 13.5px; }
/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 10px; padding: 12px 26px; font-size: 15px; font-weight: 600;
  border: 1px solid transparent; transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad-soft); background-clip: padding-box; color: #fff; box-shadow: 0 6px 18px rgba(37, 99, 235, .35); }
.btn-primary:hover { background: linear-gradient(140deg, #1273cc, #0b3f86); color: #fff; box-shadow: 0 10px 26px rgba(11, 63, 134, .35); }
.btn-ghost { background: rgba(255, 255, 255, .1); background-clip: padding-box; color: #fff; border-color: rgba(255, 255, 255, .45); }
.btn-ghost:hover { background: rgba(255, 255, 255, .2); }
.btn-outline { background: #fff; background-clip: padding-box; color: var(--blue); border-color: #c9d8f5; }
.btn-outline:hover { border-color: var(--blue); box-shadow: var(--shadow); }
/* ============================================================
   顶部导航（吸顶）
   ============================================================ */
.hdr {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  transition: background .3s ease, box-shadow .3s ease;
  background: transparent;
}
.hdr.scrolled, .hdr.solid {
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line), 0 6px 20px rgba(16, 24, 40, .07);
}
.hdr-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-text { font-size: 18px; font-weight: 800; color: #fff; letter-spacing: .5px; }
.logo-text small { display: block; font-size: 10.5px; font-weight: 500; letter-spacing: 2.5px; opacity: .75; }
.hdr.scrolled .logo-text, .hdr.solid .logo-text { color: var(--ink); }
.hdr.scrolled .logo-text small, .hdr.solid .logo-text small { opacity: .55; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative; padding: 8px 15px; border-radius: 8px; font-size: 15px; font-weight: 500;
  color: rgba(255, 255, 255, .88);
  transition: color .22s ease, background .22s ease;
}
.nav a:hover { background: linear-gradient(140deg, #1273cc, #0b3f86); color: #fff; }
.nav a.active { color: #fff; font-weight: 700; }
.hdr.scrolled .nav a, .hdr.solid .nav a { color: var(--ink-2); }
.hdr.scrolled .nav a:hover, .hdr.solid .nav a:hover { background: linear-gradient(140deg, #1273cc, #0b3f86); color: #fff; }
.hdr.scrolled .nav a.active, .hdr.solid .nav a.active { color: var(--blue); }
.hdr-cta { display: flex; align-items: center; gap: 14px; }
.hdr-kf {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 22px; border-radius: 10px;
  background: linear-gradient(95deg, #2563eb 0%, #06b6d4 100%);
  color: #fff; font-size: 15px; font-weight: 700; letter-spacing: .3px; white-space: nowrap;
  box-shadow: 0 8px 20px rgba(37, 99, 235, .28);
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}
.hdr-kf:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 12px 26px rgba(37, 99, 235, .38); filter: brightness(1.06); }
.hdr-kf svg { flex: 0 0 auto; }
/* 移动端抽屉 */
.burger { display: none; width: 42px; height: 42px; border: none; background: transparent; position: relative; z-index: 130; }
.burger span {
  position: absolute; left: 9px; right: 9px; height: 2px; border-radius: 2px;
  background: #fff; transition: transform .3s ease, opacity .3s ease, background .3s;
}
.hdr.scrolled .burger span, .hdr.solid .burger span { background: var(--ink); }
.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 20px; }
.burger span:nth-child(3) { top: 26px; }
body.mnav-open .hdr { z-index: 130; }
body.mnav-open .burger span { background: var(--ink); }
body.mnav-open .burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.mnav-open .burger span:nth-child(2) { opacity: 0; }
body.mnav-open .burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.mnav {
  position: fixed; inset: 0; z-index: 120; background: rgba(15, 37, 87, .45);
  opacity: 0; pointer-events: none; transition: opacity .3s ease;
}
.mnav-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(320px, 84%);
  background: #fff; padding: 92px 26px 30px; transform: translateX(100%);
  transition: transform .35s cubic-bezier(.22, .8, .3, 1); overflow-y: auto;
}
.mnav.open { opacity: 1; pointer-events: auto; }
.mnav.open .mnav-panel { transform: translateX(0); }
.mnav a { display: block; padding: 14px 6px; font-size: 16.5px; font-weight: 600; color: var(--ink); border-bottom: 1px solid var(--line); }
.mnav a.active { color: var(--blue); }
.mnav .btn { width: 100%; margin-top: 22px; }
/* ============================================================
   首页 Hero
   ============================================================ */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: calc(var(--header-h) + 40px) 0 130px; overflow: hidden;
  background: linear-gradient(135deg, #0b1c4d 0%, #14337e 48%, #1e40af 118%);
  color: #fff;
}
.hero-bg { position: absolute; inset: 0; }
/* 首屏背景视频（同行业常见做法：静音循环自动播放 + 加载前显示封面） */
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
/* 自动播放被系统/内核拦截时出现的播放按钮 */
.hero-play {
  position: absolute; left: 16px; bottom: 22px; z-index: 3;
  display: none; align-items: center; gap: 6px; padding: 7px 13px 7px 10px;
  border-radius: 999px; border: 1px solid rgba(255, 255, 255, .45);
  background: rgba(255, 255, 255, .16); color: #fff; font-size: 12px; font-weight: 700;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.hero-play svg { width: 15px; height: 15px; }
.hero.video-blocked .hero-play { display: inline-flex; }
.hero-tint {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(4, 10, 30, .6) 0%, rgba(4, 10, 30, .34) 45%, rgba(4, 10, 30, .16) 100%);
}
/* 视频被内核拦截时：对封面静帧做极慢推近，让首屏"活着"，且不改变配色与文字对比度 */
.hero.video-blocked .hero-video {
  animation: heroKenBurns 20s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes heroKenBurns {
  0% { transform: scale(1.03) translate3d(0, 0, 0); }
  100% { transform: scale(1.12) translate3d(-1.2%, -1.6%, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .hero.video-blocked .hero-video { animation: none; }
}
.hero-grid {
  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: 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 60% 40%, #000 30%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 80% at 60% 40%, #000 30%, transparent 78%);
}
.glow { position: absolute; border-radius: 50%; filter: blur(90px); }
.glow-a { width: 520px; height: 520px; left: -140px; top: -120px; background: #2563eb; opacity: .5; }
.glow-b { width: 460px; height: 460px; right: -120px; bottom: -140px; background: #0d9488; opacity: .38; }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.3fr .7fr; gap: 50px; align-items: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .24);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-radius: 999px; padding: 6px 18px; margin-bottom: 22px; letter-spacing: 1px;
}
.hero-tag i { width: 7px; height: 7px; border-radius: 50%; background: #22d3ee; box-shadow: 0 0 0 4px rgba(34, 211, 238, .25); animation: tagPulse 2.4s ease-in-out infinite; }
@keyframes tagPulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(34, 211, 238, .25); }
  50% { box-shadow: 0 0 0 7px rgba(34, 211, 238, .1); }
}
.hero h1 { font-size: clamp(30px, 4.4vw, 56px); line-height: 1.22; letter-spacing: .5px; margin-bottom: 18px; text-shadow: 0 4px 28px rgba(4, 12, 38, .5); }
.hero h1 .grad { background: linear-gradient(90deg, #60a5fa, #22d3ee); -webkit-background-clip: text; background-clip: text; color: transparent; text-shadow: none; }
/* 大标题下的关键词行（一行，随标题首帧直出，前缀渐变短线） */
.hero-kw {
  display: flex; align-items: center; gap: 12px;
  font-size: clamp(15px, 1.8vw, 20px); font-weight: 600; letter-spacing: 3px;
  color: #fff; margin: -6px 0 22px;
}
.hero-kw::before {
  content: ""; width: 26px; height: 3px; border-radius: 2px; flex-shrink: 0;
  background: linear-gradient(90deg, #60a5fa, #22d3ee);
}
.hero-sub { font-size: clamp(15px, 1.6vw, 17.5px); color: rgba(255, 255, 255, .78); max-width: 560px; margin-bottom: 30px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.chip {
  font-size: 12.5px; font-weight: 600; padding: 5px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .24);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  color: rgba(255, 255, 255, .92); transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.chip:hover { transform: translateY(-2px); border-color: rgba(255, 255, 255, .5); background: rgba(255, 255, 255, .14); }
/* 首屏文案入场动效（14987 同款，节奏放缓）：徽章/副标题/按钮/标签逐级上浮，主标题直接参与首帧绘制 */
.ha { opacity: 0; transform: translateY(30px); animation: haIn 1s cubic-bezier(.22, .8, .3, 1) forwards; }
.ha-1 { animation-delay: .3s; }
.ha-3 { animation-delay: .8s; }
.ha-4 { animation-delay: 1.15s; }
.ha-5 { animation-delay: 1.5s; }
@keyframes haIn { to { opacity: 1; transform: none; } }
/* Hero 右侧浮动卡片组（深蓝玻璃拟态 + 底部光晕） */
.hero-visual { position: relative; height: 420px; }
.hero-visual::before {
  content: ""; position: absolute; width: 380px; height: 380px; left: 50%; top: 50%;
  transform: translate(-50%, -50%); border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, .38), rgba(6, 182, 212, .14) 55%, transparent 75%);
  filter: blur(10px); animation: orbPulse 7s ease-in-out infinite;
}
@keyframes orbPulse { 0%, 100% { opacity: .7; } 50% { opacity: 1; } }
.float-card {
  position: absolute; border-radius: 16px; padding: 16px 18px;
  background: rgba(9, 20, 46, .55); color: #fff;
  border: 1px solid rgba(255, 255, 255, .15);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 24px 48px rgba(4, 12, 38, .45), inset 0 1px 0 rgba(255, 255, 255, .14);
  animation: floaty 6s ease-in-out infinite;
}
.float-card small { color: rgba(255, 255, 255, .62); font-size: 12px; letter-spacing: 1px; }
.float-card b { display: block; font-size: 16px; margin-top: 8px; }
.fc-head { display: flex; align-items: center; gap: 9px; }
.fc-ico { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; color: #fff; flex-shrink: 0; }
.fc-ico svg { width: 16px; height: 16px; }
.g-blue { background: linear-gradient(135deg, #2563eb, #60a5fa); box-shadow: 0 4px 12px rgba(37, 99, 235, .45); }
.g-violet { background: linear-gradient(135deg, #7c3aed, #a78bfa); box-shadow: 0 4px 12px rgba(124, 58, 237, .45); }
.g-teal { background: linear-gradient(135deg, #0d9488, #34d399); box-shadow: 0 4px 12px rgba(13, 148, 136, .45); }
.fc-1 { width: 210px; top: 8%; right: 6%; }
.fc-2 { width: 180px; top: 36%; right: 33%; animation-delay: 1.6s; }
.fc-3 { width: 230px; bottom: 3%; right: 3%; animation-delay: 3.2s; }
.fc-bar { height: 7px; border-radius: 4px; background: rgba(255, 255, 255, .16); overflow: hidden; margin-top: 12px; }
.fc-bar i {
  display: block; height: 100%; width: 78%; border-radius: 4px;
  background: linear-gradient(90deg, #2563eb, #06b6d4, #2563eb); background-size: 200% 100%;
  animation: barShimmer 3s linear infinite;
}
@keyframes barShimmer { to { background-position: -200% 0; } }
.fc-dot-row { display: flex; gap: 6px; margin-top: 12px; }
.fc-dot-row i { width: 26px; height: 26px; border-radius: 8px; background: var(--grad-soft); opacity: .9; }
.fc-dot-row i:nth-child(2) { background: linear-gradient(120deg, #7c3aed, #a78bfa); }
.fc-dot-row i:nth-child(3) { background: linear-gradient(120deg, #0d9488, #34d399); }
/* 底部滚动提示（14987 同款：向下滚动 + 跳动箭头） */
.scroll-ind {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  color: rgba(255, 255, 255, .55); font-size: 12px; letter-spacing: 2px;
  opacity: 0; animation: haFade .8s ease 1.9s forwards;
}
.scroll-ind svg { animation: indBounce 1.8s ease-in-out infinite; }
@keyframes haFade { to { opacity: 1; } }
@keyframes indBounce {
  0%, 100% { transform: translateY(0); opacity: .9; }
  50% { transform: translateY(6px); opacity: .4; }
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
/* ============================================================
   数据带
   ============================================================ */
/* 数据带：14987 内容 + 站点原配色（白底蓝字） */
.stats-band { background: #fff; border-bottom: 1px solid var(--line); padding: 36px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 8px 10px; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 18%; bottom: 18%; width: 1px; background: var(--line); }
.stat b { font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; color: var(--blue); line-height: 1.2; }
.stat b i { font-style: normal; font-size: .55em; margin-left: 2px; }
.stat > span { display: block; color: var(--ink-2); font-size: 14px; margin-top: 4px; }
/* ============================================================
   服务卡片
   ============================================================ */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow); position: relative; overflow: hidden;
  transition: transform .4s cubic-bezier(.22, .8, .35, 1.18), box-shadow .4s ease, border-color .4s ease;
  display: grid; grid-template-columns: 52px minmax(0, 1fr); column-gap: 14px; row-gap: 12px; align-items: center;
}
.svc-card::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--grad-soft); transform: scaleX(0); transform-origin: left; transition: transform .35s ease;
}
.svc-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg), 0 0 0 3px rgba(37, 99, 235, .08); border-color: rgba(37, 99, 235, .55); }
.svc-card:hover::after { transform: scaleX(1); }
.svc-icon {
  grid-column: 1; grid-row: 1; align-self: center;
  width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center;
  background: #e8efff; color: var(--blue); flex-shrink: 0;
  transition: background .3s, color .3s, transform .45s cubic-bezier(.34, 1.56, .64, 1);
}
.svc-card:hover .svc-icon { background: var(--grad-soft); color: #fff; transform: scale(1.14) rotate(-8deg); box-shadow: 0 10px 22px rgba(37, 99, 235, .35); }
.svc-card h3 { grid-column: 2; grid-row: 1; align-self: center; color: var(--blue); font-size: 18.5px; transition: color .3s ease, transform .4s cubic-bezier(.22, .8, .35, 1.18); }
.svc-card:hover h3 { color: #1d4ed8; transform: translateX(4px); }
.svc-card p { grid-column: 1 / -1; grid-row: 2; color: var(--ink-2); font-size: 14px; }
.tag {
  display: inline-block; font-size: 12px; padding: 2px 10px; border-radius: 6px;
  background: var(--bg); color: var(--ink-2); border: 1px solid var(--line);
}
.tag.b { background: #e8efff; color: #1e40af; border-color: #d4e2ff; }
.tag.t { background: #ccfbf1; color: #115e59; border-color: #a7f3d0; }
.tag.v { background: #ede9fe; color: #5b21b6; border-color: #ddd6fe; }
.tag.a { background: #fef3c7; color: #92400e; border-color: #fde68a; }
/* ============================================================
   优势对比
   ============================================================ */
.adv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.adv {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 22px 18px; box-shadow: var(--shadow);
  display: grid; grid-template-columns: 46px 1fr; column-gap: 14px; row-gap: 9px; align-items: center;
  transition: transform .3s ease, box-shadow .3s ease;
}
.adv:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.adv-num {
  grid-area: 1 / 1; justify-self: start;
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  font-weight: 800; font-size: 18px; color: #fff; background: var(--grad-soft);
  box-shadow: 0 5px 14px rgba(37, 99, 235, .3);
}
.adv:nth-child(2) .adv-num { background: linear-gradient(120deg, #0d9488, #34d399); }
.adv:nth-child(3) .adv-num { background: linear-gradient(120deg, #7c3aed, #a78bfa); }
.adv:nth-child(4) .adv-num { background: linear-gradient(120deg, #d97706, #fbbf24); }
.adv:nth-child(5) .adv-num { background: linear-gradient(120deg, #dc2626, #fb7185); }
.adv:nth-child(6) .adv-num { background: linear-gradient(120deg, #0ea5e9, #67e8f9); }
.adv h3 { grid-area: 1 / 2; font-size: 17px; margin-bottom: 0; }
.adv p { grid-column: 1 / -1; color: var(--ink-2); font-size: 14px; }
.adv-src { grid-column: 1 / -1; font-size: 12.5px; color: var(--ink-3); background: var(--bg); border-radius: 6px; padding: 6px 10px; display: block; }
/* ============================================================
   流程步骤
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; counter-reset: step; }
.step { text-align: center; padding: 24px 10px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); position: relative; transition: transform .3s, box-shadow .3s; }
.step:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.step-ico {
  width: 54px; height: 54px; margin: 0 auto 12px; border-radius: 50%; display: grid; place-items: center;
  background: #e8efff; color: var(--blue); font-weight: 800; font-size: 17px; position: relative;
}
.step h4 { font-size: 15.5px; margin-bottom: 4px; }
.step p { font-size: 12.5px; color: var(--ink-3); line-height: 1.55; }
.step + .step::before {
  content: ""; position: absolute; left: -14px; top: 44px; width: 14px; height: 2px; background: #c9d8f5;
}
/* ---------- 您的困扰（服务保障页） ---------- */
.kr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px 44px; overflow-x: clip; }
.kr-q { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 14px; line-height: 1.5; }
.kr-q svg { flex-shrink: 0; }
.kr-a { border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 22px 24px; color: var(--ink-2); font-size: 13.8px; line-height: 1.9; transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease; }
.kr-item:hover .kr-a { border-color: rgba(37, 99, 235, .3); box-shadow: var(--shadow); transform: translateY(-2px); }
.kr-line { display: block; width: 46px; height: 3px; border-radius: 2px; margin: 14px auto 0; background: linear-gradient(90deg, #f97316, #ef4444); }
.kr-more { text-align: center; margin-top: 40px; }
/* ---------- 通用滚动动效：fadeInUp / 左右滑入（与源站一致，可重播） ---------- */
.wow-up { opacity: 0; transform: translateY(40px); transition: opacity 1s ease, transform 1s ease; }
.wow-up.in { opacity: 1; transform: none; }
.slide-l { opacity: 0; transform: translateX(-100px); transition: opacity .5s ease-out, transform .5s ease-out; }
.slide-r { opacity: 0; transform: translateX(100px); transition: opacity .5s ease-out, transform .5s ease-out; }
.slide-l.in, .slide-r.in { opacity: 1; transform: none; }
/* ============================================================
   价格卡
   ============================================================ */
.pcard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.pcard {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: transform .3s, box-shadow .3s; position: relative;
}
.pcard:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.pcard.hot { border: 2px solid var(--blue); }
.pcard .badge-hot {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--blue); color: #fff; font-size: 12.5px; font-weight: 700;
  border-radius: 999px; padding: 3px 18px; box-shadow: 0 4px 12px rgba(37, 99, 235, .35); white-space: nowrap;
}
.pcard h4 { font-size: 18px; margin-bottom: 4px; }
.pcard .p-sub { color: var(--ink-3); font-size: 13px; margin-bottom: 14px; }
.pcard .price { font-size: 32px; font-weight: 800; color: var(--blue); margin-bottom: 16px; }
.pcard .price.range { font-size: 24px; letter-spacing: -.5px; }
.pcard .price small { font-size: 14px; font-weight: 500; color: var(--ink-3); margin-left: 4px; }
.pcard ul { flex: 1; display: flex; flex-direction: column; gap: 9px; margin-bottom: 20px; }
.pcard li { font-size: 14px; color: var(--ink-2); padding-left: 22px; position: relative; }
.pcard li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 700; }
.pcard .btn { width: 100%; }
/* ============================================================
   客户类型
   ============================================================ */
.cli-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cli {
  border-radius: var(--radius); padding: 28px 24px; color: #fff; position: relative; overflow: hidden;
  min-height: 170px; display: flex; flex-direction: column; justify-content: flex-end; gap: 6px;
  transition: transform .3s;
}
.cli:hover { transform: translateY(-2px); }
.cli::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(9, 20, 50, .05), rgba(9, 20, 50, .62)); }
.cli > * { position: relative; z-index: 1; }
.cli-1 { background: linear-gradient(150deg, #1e3a8a, #3b82f6); }
.cli-2 { background: linear-gradient(150deg, #0f766e, #14b8a6); }
.cli-3 { background: linear-gradient(150deg, #5b21b6, #8b5cf6); }
.cli-4 { background: linear-gradient(150deg, #b45309, #f59e0b); }
.cli h3 { font-size: 17.5px; }
.cli p { font-size: 13px; opacity: .88; line-height: 1.6; }
.cli .cli-ico { position: absolute; top: 18px; right: 18px; opacity: .5; z-index: 1; }
/* ============================================================
   CTA / 企业微信二维码
   ============================================================ */
.cta-band {
  background: linear-gradient(130deg, #0b1c4d, #16409e 55%, #1e3a8a);
  border-radius: 20px; color: #fff; padding: 22px 40px; display: grid;
  grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center;
  box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.cta-band::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: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 80% 20%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 90% at 80% 20%, #000, transparent 75%);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(22px, 3vw, 30px); margin-bottom: 8px; }
.cta-band p { color: rgba(255, 255, 255, .82); font-size: 15px; margin-bottom: 14px; }
.cta-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-time { margin-top: 10px; font-size: 13px; color: rgba(255, 255, 255, .66); }
.cta-qr { margin: 0 auto 6px; }
.cta-qr img { width: 150px; height: 150px; object-fit: contain; display: block; margin: 0 auto; border-radius: 6px; }
.cta-qr-tip { font-size: 13px; line-height: 1.4; color: var(--ink-2); margin: 0; white-space: nowrap; }
.cta-band .qr-card .cta-qr-tip { color: var(--ink-2); margin: 0; }
/* PC：左列文字整体向中间内侧移 40px（分两次各 20px）；只加内边距，列宽与二维码卡片位置完全不变 */
@media (min-width: 861px) {
  .cta-band > div:first-child { padding-left: 40px; }
}
.qr-card {
  background: #fff; border-radius: 12px; padding: 10px 10px 12px; text-align: center; color: var(--ink);
  box-shadow: 0 16px 40px rgba(4, 12, 38, .35); max-width: 240px; margin: 0 auto;
}
.qr-card h4 { font-size: 15.5px; margin-bottom: 14px; color: var(--ink); }
.qr-ph { text-align: center; color: var(--ink-3); font-size: 12.5px; padding: 12px; line-height: 1.6; }
.qr-ph svg { margin: 0 auto 8px; }
.qr-card small { color: var(--ink-3); font-size: 12px; display: block; }
/* ============================================================
   子页面横幅
   ============================================================ */
.page-hero {
  background: linear-gradient(130deg, #0b1c4d, #16409e 60%, #1e3a8a);
  color: #fff; padding: calc(var(--header-h) + 64px) 0 58px; position: relative; overflow: hidden;
}
.page-hero::after {
  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: 50px 50px;
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 70% 30%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 90% at 70% 30%, #000 20%, transparent 75%);
}
.page-hero .container { position: relative; z-index: 1; }
/* 页头动态光球（1:1 复刻 14987.cn 子页面 wzDrift 动效） */
.glow-orb {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: .34;
  mix-blend-mode: screen; pointer-events: none;
  animation: wzDrift 28s cubic-bezier(.77, 0, .175, 1) infinite alternate;
}
.glow-orb + .glow-orb { animation-duration: 36s; animation-delay: -8s; }
@keyframes wzDrift {
  from { transform: translate3d(-3%, 0, 0) scale(1); }
  to { transform: translate3d(4%, -5%, 0) scale(1.14); }
}
@media (prefers-reduced-motion: reduce) {
  .glow-orb { animation: none; }
}
.page-hero h1 { font-size: clamp(26px, 3.8vw, 40px); margin-bottom: 10px; }
.page-hero p { color: rgba(255, 255, 255, .82); max-width: 720px; font-size: 15.5px; }
.crumb { font-size: 13px; color: rgba(255, 255, 255, .65); margin-bottom: 14px; }
.crumb a { color: rgba(255, 255, 255, .85); }
/* 页头内容错峰上浮（对齐 14987.cn 子页面 hero-animate 节奏，PC 与手机共用一套） */
.page-hero .container > * { opacity: 0; animation: heroFadeUp .6s ease-out forwards; }
.page-hero .container > *:nth-child(1) { animation-delay: .1s; }
.page-hero .container > *:nth-child(2) { animation-delay: .25s; }
.page-hero .container > *:nth-child(3) { animation-delay: .4s; }
.page-hero .container > *:nth-child(4) { animation-delay: .55s; }
.page-hero .container > *:nth-child(n+5) { animation-delay: .7s; }
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
/* ============================================================
   服务详情页
   ============================================================ */
.svc-nav { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin: -26px auto 44px; position: relative; z-index: 3; }
.svc-nav a {
  background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 8px 20px;
  font-size: 14px; font-weight: 600; color: var(--ink-2); box-shadow: var(--shadow);
  transition: background .25s, color .25s, transform .25s;
}
.svc-nav a:hover { background: var(--blue); color: #fff; transform: translateY(-2px); }
.svc-block { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; padding: 56px 0; scroll-margin-top: calc(var(--header-h) + 10px); }
.svc-block + .svc-block { border-top: 1px solid var(--line); }
.svc-block.rev .sb-visual { order: 2; }
.sb-text h2 { font-size: 26px; margin-bottom: 12px; }
.sb-text h2 small { display: block; font-size: 15px; color: var(--blue); font-weight: 600; letter-spacing: 1.6px; margin-bottom: 6px; }
/* 服务模块图标：仅手机端卡片格式（对齐 14987.cn 服务页）使用，PC 端保持原左右交错版式 */
.sb-ico { display: none; }
.sb-text > p { color: var(--ink-2); font-size: 15px; margin-bottom: 18px; }
.sb-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; }
.sb-list li { font-size: 14px; color: var(--ink-2); padding-left: 24px; position: relative; }
.sb-list li::before { content: "◆"; position: absolute; left: 2px; color: var(--cyan); font-size: 11px; top: 4px; }
/* 服务模块底部的行动按钮：无论 PC 还是手机、无论文案多长，一律单行不折行 */
.sb-text > .btn { white-space: nowrap; max-width: 100%; }
.sb-meta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.sb-meta span { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 6px 14px; font-size: 13px; color: var(--ink-2); }
.sb-meta b { color: var(--blue); }
/* 外贸模块三枚胶囊需要多留一点横向余量，否则 1280~1920 会折到第二行；
   用 :not(.is-mobile) 限定，避免 ID 选择器压过移动端样式 */
body:not(.is-mobile) #foreign .sb-meta span { padding: 6px 12px; }
.sb-visual { display: flex; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); transition: transform .5s cubic-bezier(.22, .8, .35, 1.18), box-shadow .5s ease; }
.sv-screen { flex: 1; min-height: 300px; background: var(--grad); position: relative; overflow: hidden; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14); transition: box-shadow .5s ease; }
.sv-screen::before { content: ""; position: absolute; top: -40%; left: -30%; width: 70%; height: 85%; background: radial-gradient(closest-side, rgba(255, 255, 255, .22), transparent); animation: svGlow 7s ease-in-out infinite alternate; pointer-events: none; }
.sv-screen::after { content: ""; position: absolute; top: -60%; left: 0; width: 45%; height: 220%; background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .14), transparent); transform: translateX(-140%) rotate(10deg); animation: svSweep 6.5s ease-in-out infinite; pointer-events: none; }
.sv-screen .mock-bar { position: absolute; top: 0; left: 0; right: 0; height: 48px; background: rgba(255, 255, 255, .16); display: flex; align-items: center; gap: 7px; padding: 0 15px; z-index: 2; transition: background .45s ease; }
.sv-screen .mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #fff; animation: svDotPulse 2.4s ease-in-out infinite, svDotColor 8s steps(1, end) infinite; transition: box-shadow .45s ease; }
.sv-screen .mock-bar i:nth-child(1) { animation-delay: 0s, 0s; }
.sv-screen .mock-bar i:nth-child(2) { animation-delay: .3s, 2.66s; }
.sv-screen .mock-bar i:nth-child(3) { animation-delay: .6s, 5.33s; }
.sv-screen .sv-title {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  height: 48px; line-height: 48px; font-size: 21px; font-weight: 800; letter-spacing: 3px;
  white-space: nowrap; z-index: 3;
  color: #fff; -webkit-text-fill-color: #fff;
  text-shadow: 0 1px 5px rgba(0, 0, 0, .45), 0 0 14px rgba(255, 255, 255, .55);
  animation: svTitleGlow 4s ease-in-out infinite;
  transition: letter-spacing .45s ease, transform .45s cubic-bezier(.22, .8, .35, 1.18);
}
/* 服务块视觉：真实 UI 模拟内容（迷你官网/手机/对话/图表等） */
.svi { position: absolute; inset: 60px 20px 20px; display: flex; flex-direction: column; gap: 11px; }
.svi-center { align-items: center; justify-content: center; }
/* —— 迷你官网 —— */
.svi-nav { display: flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .28); border-radius: 12px; padding: 9px 13px; color: #fff; font-size: 12px; font-weight: 700; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2); }
.svi-nav b { display: flex; align-items: center; gap: 6px; }
.svi-nav b::before { content: ""; width: 14px; height: 14px; border-radius: 4px; background: rgba(255, 255, 255, .9); }
.svi-nav span { width: 26px; height: 6px; border-radius: 3px; background: rgba(255, 255, 255, .42); }
.svi-nav .svi-btn { width: auto; height: auto; margin-left: auto; background: #fff; color: #1e3a8a; font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 999px; box-shadow: 0 4px 12px rgba(0, 0, 0, .2); }
.svi-hero { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 8px; color: #fff; }
.svi-hero em { font-style: normal; font-size: 20px; font-weight: 800; line-height: 1.32; letter-spacing: .5px; transition: text-shadow .4s ease; }
.svi-hero small { font-size: 12px; opacity: .88; letter-spacing: .5px; }
.svi-cta { align-self: flex-start; background: #fff; color: #1e3a8a; font-size: 11.5px; font-weight: 700; padding: 7px 16px; border-radius: 999px; box-shadow: 0 8px 20px rgba(0, 0, 0, .22); transition: box-shadow .4s ease, background .4s ease; }
.svi-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.svi-cards i { font-style: normal; background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .28); border-radius: 12px; color: #fff; font-size: 11.5px; font-weight: 600; text-align: center; padding: 15px 4px 12px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2); }
.svi-cards i::before { content: ""; display: block; width: 18px; height: 18px; margin: 0 auto 7px; border-radius: 6px; background: linear-gradient(140deg, #fff, rgba(255, 255, 255, .55)); }
/* —— 手机壳（小程序 / APP） —— */
.svi-phone { position: relative; width: 158px; background: #fff; border-radius: 18px; padding: 12px 9px 9px; box-shadow: 0 18px 40px rgba(0, 0, 0, .3); display: flex; flex-direction: column; gap: 6px; }
.svi-phone::before { content: ""; position: absolute; top: 5px; left: 50%; transform: translateX(-50%); width: 40px; height: 4px; border-radius: 2px; background: #dbe3ef; }
.svi-phone .sp-status { display: flex; align-items: center; justify-content: space-between; font-size: 8.5px; font-weight: 700; color: var(--ink-3); padding-top: 2px; }
.svi-phone .sp-status span { width: 22px; height: 4px; border-radius: 2px; background: #dbe3ef; }
.svi-phone .sp-head { font-size: 11px; font-weight: 800; color: var(--ink); display: flex; align-items: center; gap: 5px; }
.svi-phone .sp-head::before { content: ""; width: 14px; height: 14px; border-radius: 4px; background: linear-gradient(120deg, #3b82f6, #10b981); }
.svi-phone .sp-head small { margin-left: auto; font-size: 8px; font-weight: 600; color: var(--ink-3); background: #f1f5fb; padding: 1px 6px; border-radius: 999px; }
.svi-phone .sp-banner { background: linear-gradient(120deg, #2563eb, #0d9488); color: #fff; border-radius: 9px; font-size: 10.5px; font-weight: 700; padding: 11px 10px; line-height: 1.4; box-shadow: 0 8px 20px rgba(37, 99, 235, .3); }
.svi-phone .sp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; }
.svi-phone .sp-grid i { font-style: normal; background: #eef3fd; color: var(--blue); font-size: 9.5px; font-weight: 600; text-align: center; padding: 9px 1px; border-radius: 8px; }
.svi-phone .sp-row { height: 8px; border-radius: 4px; background: #eef1f6; }
.svi-phone .sp-row.short { width: 58%; }
.svi-phone .sp-card { background: #f4f7fd; border-radius: 9px; padding: 8px 9px; font-size: 10px; color: var(--ink); font-weight: 700; display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.svi-phone .sp-card span { font-size: 9px; font-weight: 600; color: var(--ink-3); }
.svi-phone .sp-card.pay { background: #ecfdf5; }
.svi-phone .sp-card.pay b, .svi-phone .sp-card.pay span { color: #0d9488; }
.svi-phone .sp-tabs { display: flex; border-top: 1px solid #eef1f6; padding-top: 6px; }
.svi-phone .sp-tabs i { font-style: normal; flex: 1; text-align: center; font-size: 9.5px; color: var(--ink-3); font-weight: 600; }
.svi-phone .sp-tabs i.on { color: var(--blue); }
/* —— 搜索 / 排名 —— */
.svi-search { display: flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, .96); color: var(--ink); border-radius: 999px; padding: 9px 15px; font-size: 12px; font-weight: 600; box-shadow: 0 6px 18px rgba(0, 0, 0, .14); transition: box-shadow .4s ease; }
.svi-search em { font-style: normal; font-size: 9.5px; font-weight: 800; letter-spacing: .5px; color: #fff; background: linear-gradient(120deg, #2563eb, #06b6d4); border-radius: 5px; padding: 2px 7px; }
.svi-rank { display: flex; align-items: center; gap: 10px; background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .28); border-radius: 11px; padding: 10px 12px; color: #fff; font-size: 12px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18); }
.svi-rank b { width: 22px; height: 22px; border-radius: 50%; background: rgba(255, 255, 255, .26); display: grid; place-items: center; font-size: 11px; flex-shrink: 0; }
.svi-rank span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.svi-rank.on { background: #fff; color: var(--blue-ink); font-weight: 700; }
.svi-rank.on b { background: linear-gradient(120deg, #2563eb, #0d9488); color: #fff; }
/* —— AI 对话 —— */
.svi-chat { gap: 14px; justify-content: center; }
.mr { display: flex; align-items: flex-end; gap: 8px; }
.mr.me { flex-direction: row-reverse; }
.av { width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center; font-size: 9px; font-weight: 800; color: #fff; background: rgba(255, 255, 255, .34); border: 1px solid rgba(255, 255, 255, .5); }
.av.bot { background: #fff; color: #7c3aed; border-color: #fff; box-shadow: 0 5px 14px rgba(0, 0, 0, .18); }
.msg { max-width: 76%; padding: 10px 13px; border-radius: 13px; font-size: 12px; line-height: 1.6; color: #fff; background: rgba(255, 255, 255, .24); border: 1px solid rgba(255, 255, 255, .3); }
.msg.user { border-bottom-right-radius: 4px; }
.msg.bot { background: #fff; color: var(--ink); border-color: #fff; border-bottom-left-radius: 4px; box-shadow: 0 8px 20px rgba(0, 0, 0, .14); }
/* —— 品牌视觉 —— */
.svi-logo { display: flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 800; color: #fff; background: rgba(255, 255, 255, .2); border: 1px solid rgba(255, 255, 255, .45); border-radius: 15px; padding: 14px 26px; letter-spacing: 2px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .35), 0 12px 28px rgba(0, 0, 0, .16); }
.svi-logo .lm { width: 26px; height: 26px; border-radius: 8px; background: #fff; box-shadow: 0 4px 10px rgba(0, 0, 0, .18); }
.svi-palette { display: flex; gap: 10px; margin-top: 15px; }
.svi-palette i { width: 36px; height: 36px; border-radius: 11px; border: 2px solid rgba(255, 255, 255, .8); box-shadow: 0 6px 16px rgba(0, 0, 0, .18); }
.svi-fonts { text-align: center; color: #fff; font-size: 11.5px; margin-top: 15px; }
.svi-fonts b { display: block; font-size: 23px; letter-spacing: 1px; }
/* —— 数据 / 图表 —— */
.svi-stat { display: flex; align-items: baseline; gap: 10px; color: #fff; }
.svi-stat b { font-size: 27px; font-weight: 800; letter-spacing: .5px; }
.svi-stat span { font-size: 12px; opacity: .88; }
.svi-stat em { margin-left: auto; font-style: normal; font-size: 10.5px; opacity: .7; }
.svi-chart { flex: 1; display: flex; align-items: flex-end; gap: 8px; background-color: rgba(255, 255, 255, .12); background-image: repeating-linear-gradient(to top, rgba(255, 255, 255, .14) 0 1px, transparent 1px 25%); border: 1px solid rgba(255, 255, 255, .22); border-radius: 12px; padding: 12px; }
.svi-chart i { flex: 1; border-radius: 5px 5px 0 0; background: rgba(255, 255, 255, .55); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .55); }
.svi-chart i:last-child { background: #fff; }
/* —— 商品 —— */
.svi-prods { flex: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.svi-prods figure { position: relative; margin: 0; background: rgba(255, 255, 255, .18); border: 1px solid rgba(255, 255, 255, .3); border-radius: 12px; padding: 7px; display: flex; flex-direction: column; gap: 5px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2); }
.svi-prods figure i { flex: 1; min-height: 52px; border-radius: 9px; background: linear-gradient(150deg, rgba(255, 255, 255, .62), rgba(255, 255, 255, .24)); }
.svi-prods figure b { color: #fff; font-size: 12.5px; text-align: center; }
.svi-prods figure small { color: rgba(255, 255, 255, .8); font-size: 9.5px; text-align: center; }
.svi-prods figure.hot::after { content: "热销"; position: absolute; top: -6px; left: -4px; background: #fff; color: #b45309; font-size: 9px; font-weight: 800; padding: 1px 7px; border-radius: 999px; box-shadow: 0 4px 12px rgba(0, 0, 0, .2); }
/* —— 状态行 —— */
.svi-head { display: flex; align-items: center; gap: 7px; color: rgba(255, 255, 255, .88); font-size: 11px; font-weight: 700; letter-spacing: .5px; }
.live { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 3px rgba(74, 222, 128, .28); animation: svPulse 1.6s ease-in-out infinite; }
.svi-row { display: flex; align-items: center; gap: 9px; background: rgba(255, 255, 255, .18); border: 1px solid rgba(255, 255, 255, .3); border-radius: 11px; padding: 11px 13px; color: #fff; font-size: 12px; font-weight: 600; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2); }
.svi-row em { margin-left: auto; font-style: normal; opacity: .9; font-size: 11.5px; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; transition: box-shadow .4s ease; }
.dot.ok { background: #34d399; box-shadow: 0 0 0 3px rgba(52, 211, 153, .25); }
.dot.warn { background: #fbbf24; box-shadow: 0 0 0 3px rgba(251, 191, 36, .25); }
@keyframes svPulse { 0%, 100% { opacity: .45; transform: scale(.85); } 50% { opacity: 1; transform: scale(1.1); } }
@keyframes svDotColor { 0%, 100% { background: #fff; box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); } 25% { background: #fbbf24; box-shadow: 0 0 8px rgba(251, 191, 36, .8); } 50% { background: #34d399; box-shadow: 0 0 8px rgba(52, 211, 153, .8); } 75% { background: #60a5fa; box-shadow: 0 0 8px rgba(96, 165, 250, .8); } }
/* 渐变屏内容交错浮动动效 */
@keyframes svGlow { from { transform: translate(0, 0) scale(1); } to { transform: translate(60%, 32%) scale(1.3); } }
@keyframes svSweep { 0%, 55% { transform: translateX(-140%) rotate(10deg); } 80%, 100% { transform: translateX(340%) rotate(10deg); } }
@keyframes svDotPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.16); } }
@keyframes svBob { from { transform: translateY(0); } to { transform: translateY(-5px); } }
@keyframes svGrow { from { transform: scaleY(.68); } to { transform: scaleY(1); } }
@keyframes svTitleGlow {
  0%, 100% { text-shadow: 0 1px 5px rgba(0, 0, 0, .45), 0 0 11px rgba(255, 255, 255, .45); }
  50% { text-shadow: 0 1px 6px rgba(0, 0, 0, .5), 0 0 22px rgba(255, 255, 255, .9); }
}
.svi-phone { animation: svBob 4.5s ease-in-out infinite alternate; transition: box-shadow .45s ease; }
.svi-cards i, .svi-prods figure, .svi-rank, .svi-row, .svi-palette i, .svi-chat .mr, .svi-cta, .svi-logo { animation: svBob 4s ease-in-out infinite alternate; transition: background .4s ease, border-color .4s ease, box-shadow .4s ease; }
.svi-cards i:nth-child(2), .svi-prods figure:nth-child(2), .svi-rank:nth-child(2), .svi-row:nth-child(2), .svi-palette i:nth-child(2), .svi-chat .mr:nth-child(2) { animation-delay: .5s; }
.svi-cards i:nth-child(3), .svi-prods figure:nth-child(3), .svi-rank:nth-child(3), .svi-row:nth-child(3), .svi-palette i:nth-child(3), .svi-chat .mr:nth-child(3) { animation-delay: 1s; }
.svi-prods figure:nth-child(4), .svi-row:nth-child(4), .svi-palette i:nth-child(4), .svi-chat .mr:nth-child(4) { animation-delay: 1.5s; }
.svi-chart i { transform-origin: bottom; transform: scaleY(.68); animation: svGrow 2.6s ease-in-out infinite alternate; transition: background .4s ease; }
.svi-chart i:nth-child(2) { animation-delay: .25s; transition-delay: .06s; }
.svi-chart i:nth-child(3) { animation-delay: .5s; transition-delay: .12s; }
.svi-chart i:nth-child(4) { animation-delay: .75s; transition-delay: .18s; }
.svi-chart i:nth-child(5) { animation-delay: 1s; transition-delay: .24s; }
.svi-chart i:nth-child(6) { animation-delay: 1.25s; transition-delay: .3s; }
/* 鼠标悬停：整块上浮 + 边缘高光 + 内容点亮 + 扫光加速 */
@media (hover: hover) {
  .sb-visual:hover { transform: translateY(-7px); box-shadow: 0 26px 54px rgba(15, 37, 87, .3); }
  .sb-visual:hover .sv-screen { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .5); }
  .sb-visual:hover .sv-screen::before { background: radial-gradient(closest-side, rgba(255, 255, 255, .4), transparent); animation-duration: 3.2s; }
  .sb-visual:hover .sv-screen::after { background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .3), transparent); animation-duration: 2.6s; }
  .sb-visual:hover .mock-bar { background: rgba(255, 255, 255, .26); }
  .sb-visual:hover .mock-bar i { animation-duration: 1.4s, 8s; }
  .sb-visual:hover .sv-title { letter-spacing: 5px; transform: translateX(-50%) scale(1.06); animation-duration: 1.6s; }
  .sb-visual:hover .svi-nav,
  .sb-visual:hover .svi-cards i,
  .sb-visual:hover .svi-prods figure,
  .sb-visual:hover .svi-rank:not(.on),
  .sb-visual:hover .svi-row,
  .sb-visual:hover .msg.user { background: rgba(255, 255, 255, .32); border-color: rgba(255, 255, 255, .55); box-shadow: 0 10px 24px rgba(8, 20, 40, .18); }
  .sb-visual:hover .svi-rank.on,
  .sb-visual:hover .msg.bot { box-shadow: 0 10px 24px rgba(8, 20, 40, .22); }
  .sb-visual:hover .svi-search { box-shadow: 0 8px 20px rgba(8, 20, 40, .2); }
  .sb-visual:hover .svi-phone { box-shadow: 0 26px 54px rgba(0, 0, 0, .38); }
  .sb-visual:hover .svi-phone .sp-banner { box-shadow: 0 12px 28px rgba(37, 99, 235, .45); }
  .sb-visual:hover .svi-cta { box-shadow: 0 10px 26px rgba(0, 0, 0, .3); }
  .sb-visual:hover .svi-logo { background: rgba(255, 255, 255, .3); border-color: rgba(255, 255, 255, .65); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45), 0 18px 36px rgba(0, 0, 0, .24); }
  .sb-visual:hover .svi-prods figure i { background: rgba(255, 255, 255, .5); }
  .sb-visual:hover .svi-chart i { background: rgba(255, 255, 255, .92); }
  .sb-visual:hover .svi-hero em { text-shadow: 0 2px 14px rgba(0, 0, 0, .25); }
  .sb-visual:hover .dot.ok { box-shadow: 0 0 0 5px rgba(52, 211, 153, .28); }
  .sb-visual:hover .dot.warn { box-shadow: 0 0 0 5px rgba(251, 191, 36, .3); }
}
/* ---------- 知识中心 ---------- */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; transition: transform .35s cubic-bezier(.22, .8, .35, 1.18), box-shadow .35s ease, border-color .35s ease; }
.post:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(37, 99, 235, .35); }
.post.hide { display: none; }
.post-thumb { display: block; position: relative; height: 180px; overflow: hidden; }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .55s cubic-bezier(.22, .8, .35, 1); }
.post:hover .post-thumb img { transform: scale(1.06); }
.post-cat { position: absolute; top: 12px; left: 12px; background: rgba(255, 255, 255, .94); color: var(--blue); font-size: 11.5px; font-weight: 700; border-radius: 6px; padding: 3px 10px; }
.post-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.post-body time { font-size: 12px; color: var(--ink-3); }
.post-body h3 { font-size: 16.5px; line-height: 1.45; }
.post-body h3 a { color: inherit; transition: color .25s; }
.post:hover .post-body h3 a { color: var(--blue); }
.post-body p { font-size: 13.2px; color: var(--ink-2); line-height: 1.7; flex: 1; }
/* 文章详情 */
.art-wrap { max-width: 820px; margin: 0 auto; }
.art-cover { border-radius: 14px; overflow: hidden; margin-bottom: 30px; max-height: 380px; background: var(--bg); }
.art-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.art-lead { font-size: 16px; color: var(--ink-2); line-height: 1.9; border-left: 3px solid var(--blue); padding-left: 18px; margin-bottom: 34px; }
.art-body h2 { font-size: 21px; line-height: 1.45; margin: 34px 0 12px; padding-left: 12px; border-left: 4px solid var(--blue); }
.art-body p { font-size: 15px; color: var(--ink-2); line-height: 1.95; margin-bottom: 14px; }
.art-body ul, .art-body ol { margin: 0 0 16px 22px; }
.art-body ul { list-style: disc; }
.art-body ol { list-style: decimal; }
.art-body li { font-size: 14.8px; color: var(--ink-2); line-height: 1.9; margin-bottom: 6px; }
.art-body strong { color: var(--ink); }
.art-tip { background: #f5f9ff; border: 1px solid #dbe7f8; border-radius: 12px; padding: 18px 20px; margin: 0 0 22px; }
.art-tip p { margin: 0; font-size: 14.5px; }
.art-table { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; margin: 0 0 22px; -webkit-overflow-scrolling: touch; }
/* 正文代码块：等宽字体 + 独立横向滚动，避免长行撑破页面 */
.art-body pre { margin: 0 0 22px; padding: 16px 18px; background: #0f1c33; border-radius: 12px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.art-body pre code { display: block; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace; font-size: 13px; line-height: 1.75; color: #dbe7fb; white-space: pre; }
.art-body code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace; }
.art-body p code, .art-body li code { background: #eef3fc; color: #1d4ed8; padding: 2px 6px; border-radius: 6px; font-size: .92em; }
.art-table table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 520px; }
.art-table th { background: #f2f6fd; color: var(--ink); padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.art-table td { padding: 11px 14px; border-bottom: 1px solid var(--line); color: var(--ink-2); vertical-align: top; }
.art-table tr:last-child td { border-bottom: 0; }
/* ============================================================
   案例页
   ============================================================ */
.filters { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 34px; }
.fbtn {
  border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 8px 22px;
  font-size: 14px; font-weight: 600; color: var(--ink-2); transition: all .25s;
}
.fbtn:hover { border-color: var(--blue); color: var(--blue); }
.fbtn.on { background: var(--grad-soft); border-color: transparent; color: #fff; box-shadow: 0 5px 14px rgba(37, 99, 235, .3); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .35s cubic-bezier(.22, .8, .35, 1.18), box-shadow .35s ease, border-color .35s ease; display: flex; flex-direction: column; }
.case:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(37, 99, 235, .35); }
.case.hide { display: none; }
.case-thumb { display: block; height: 186px; position: relative; overflow: hidden; }
.case-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(9, 20, 50, .1) 0%, transparent 34%, rgba(9, 20, 50, .55) 100%); }
.ct-grad-1 { background: linear-gradient(140deg, #1e3a8a, #3b82f6); }
.ct-grad-2 { background: linear-gradient(140deg, #0f766e, #2dd4bf); }
.ct-grad-3 { background: linear-gradient(140deg, #5b21b6, #a78bfa); }
.ct-grad-4 { background: linear-gradient(140deg, #b45309, #fbbf24); }
.ct-grad-5 { background: linear-gradient(140deg, #0e7490, #22d3ee); }
.ct-grad-6 { background: linear-gradient(140deg, #be185d, #f472b6); }
.case-cat { position: absolute; top: 12px; right: 12px; z-index: 2; background: rgba(255, 255, 255, .94); color: var(--ink); font-size: 11.5px; font-weight: 700; border-radius: 6px; padding: 2px 10px; }
/* 缩略图：真实案例配图 */
.case-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .55s cubic-bezier(.22, .8, .35, 1); }
.case:hover .case-thumb img { transform: scale(1.06); }
.case-stat { position: absolute; left: 14px; bottom: 12px; z-index: 2; display: flex; align-items: baseline; gap: 6px; background: rgba(255, 255, 255, .96); border-radius: 9px; padding: 5px 11px; box-shadow: 0 8px 18px rgba(9, 20, 50, .2); }
.case-stat b { font-size: 14px; font-weight: 800; color: var(--blue); letter-spacing: -.2px; }
.case-stat span { font-size: 10.5px; color: var(--ink-3); }
.case-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.case-body h3 { font-size: 16.5px; line-height: 1.45; }
.case-body h3 a { color: var(--blue-deep); transition: color .25s; }
.case:hover .case-body h3 a { color: var(--blue); }
.case-body p { color: var(--ink-2); font-size: 13.5px; flex: 1; }
.case-tags { display: flex; gap: 7px; flex-wrap: wrap; }
.case-client { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--ink-3); border-top: 1px dashed var(--line); padding-top: 10px; }
.case-client::before { content: ""; width: 13px; height: 13px; border-radius: 4px; background: linear-gradient(120deg, #93c5fd, #5eead4); flex-shrink: 0; }
/* 精选案例列表卡：按参考图去标签 chips 与客户名行，仅留 标题+描述 */
.case .case-tags, .case .case-client { display: none; }
/* 知识精选 / 文章卡：底部「日期 + 阅读全文」行 */
.case-note { margin-top: 30px; text-align: center; color: var(--ink-3); font-size: 13px; }
/* ---------- 案例详情页 ---------- */
.cd-cover { position: relative; height: 400px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); margin-bottom: 44px; background: var(--bg); }
.cd-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cd-cover .case-cat { top: 18px; right: 18px; font-size: 12.5px; padding: 4px 14px; }
.cd-layout { display: grid; grid-template-columns: 1fr 312px; gap: 48px; align-items: start; }
.cd-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); margin-bottom: 18px; }
.cd-box:last-child { margin-bottom: 0; }
.cd-box h2 { font-size: 17.5px; line-height: 1.4; margin: 0 0 12px; padding-left: 11px; border-left: 4px solid var(--blue); }
.cd-box p { color: var(--ink-2); font-size: 14.5px; }
.cd-problems { display: flex; flex-direction: column; gap: 9px; }
.cd-problems li { position: relative; padding: 11px 14px 11px 38px; background: #fff7ed; border: 1px solid #fed7aa; border-radius: 10px; color: #9a3412; font-size: 13.8px; line-height: 1.65; }
.cd-problems li::before { content: "!"; position: absolute; left: 13px; top: 13px; width: 16px; height: 16px; border-radius: 50%; background: #f97316; color: #fff; font-size: 11px; font-weight: 800; display: grid; place-items: center; }
.cd-steps { display: flex; flex-direction: column; }
.cd-step { position: relative; padding: 13px 0 13px 46px; }
.cd-step + .cd-step { border-top: 1px dashed var(--line); }
.cd-step:first-child { padding-top: 2px; }
.cd-step span { position: absolute; left: 0; top: 12px; width: 28px; height: 28px; border-radius: 9px; background: #e8efff; color: var(--blue); font-size: 12.5px; font-weight: 800; display: grid; place-items: center; }
.cd-step:first-child span { top: 1px; }
.cd-step h3 { font-size: 15.5px; margin-bottom: 5px; }
.cd-step p { color: var(--ink-2); font-size: 13.5px; }
.cd-side { position: sticky; top: calc(var(--header-h) + 20px); }
.cd-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.cd-card h4 { font-size: 15.5px; margin-bottom: 14px; }
.cd-card dl { display: flex; flex-direction: column; gap: 11px; margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px dashed var(--line); }
.cd-card dl div { display: flex; gap: 12px; justify-content: space-between; font-size: 13.5px; }
.cd-card dt { color: var(--ink-3); flex-shrink: 0; }
.cd-card dd { color: var(--ink); font-weight: 600; text-align: right; }
.cd-card .case-tags { margin-bottom: 18px; }
.cd-card .btn { width: 100%; }
.cd-nav { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-top: 48px; padding-top: 26px; border-top: 1px solid var(--line); font-size: 14px; }
.cd-nav a { font-weight: 600; color: var(--blue); transition: color .25s; }
.cd-nav a:hover { color: var(--blue-deep); }
.cd-nav a.muted-link { color: var(--ink-3); font-weight: 500; }
details.faq { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0 22px; margin-bottom: 12px; box-shadow: var(--shadow); }
details.faq summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between;
  gap: 14px; padding: 17px 0; font-weight: 700; font-size: 15.5px; color: var(--ink);
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; font-size: 22px; color: var(--blue); transition: transform .3s; flex-shrink: 0; line-height: 1; }
details.faq[open] summary::after { transform: rotate(45deg); }
details.faq .faq-a { padding: 0 0 18px; color: var(--ink-2); font-size: 14.5px; border-top: 1px dashed var(--line); padding-top: 14px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-grid-4 { grid-template-columns: repeat(4, 1fr); }
/* 关于我们页：公司故事 */
.story-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 50px; align-items: start; }
.story-text h2 { font-size: 28px; line-height: 1.35; margin: 14px 0 16px; }
.story-text > p { color: var(--ink-2); font-size: 15px; margin-bottom: 14px; }
.mv-list { display: flex; flex-direction: column; gap: 18px; margin-top: 28px; }
.mv-item { display: flex; gap: 14px; align-items: flex-start; }
.mv-ico { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; color: var(--blue); background: linear-gradient(135deg, rgba(37, 99, 235, .14), rgba(16, 185, 129, .14)); border: 1px solid rgba(37, 99, 235, .22); flex-shrink: 0; }
.mv-item h4 { font-size: 15.5px; margin-bottom: 4px; }
.mv-item p { color: var(--ink-2); font-size: 13.5px; line-height: 1.65; }
.est-card { position: relative; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 32px; box-shadow: var(--shadow); }
.est-card::before { content: ""; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%; background: rgba(37, 99, 235, .16); filter: blur(46px); }
.est-label { position: relative; display: block; font-size: 12.5px; font-weight: 700; letter-spacing: 1px; color: var(--blue); }
.est-num { position: relative; display: block; font-size: 64px; line-height: 1.1; font-weight: 800; margin: 6px 0 2px; background: var(--grad-soft); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.est-sub { position: relative; color: var(--ink-2); font-size: 14px; margin-bottom: 22px; }
.est-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.est-cell { background: var(--bg); border: 1px solid var(--line); border-radius: 11px; padding: 14px 16px; }
.est-cell b { display: block; font-size: 22px; font-weight: 800; color: var(--ink); }
.est-cell span { font-size: 12px; color: var(--ink-3); }
.est-cell.teal b { color: var(--teal); }
.value { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s; }
.value:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.value h4 { font-size: 17px; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.value h4 i { width: 10px; height: 10px; border-radius: 3px; background: var(--grad-soft); flex-shrink: 0; }
.value p { color: var(--ink-2); font-size: 14px; }
.path { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.path h4 { font-size: 15.5px; color: var(--blue); margin-bottom: 6px; }
.path p { font-size: 13.5px; color: var(--ink-2); }
/* 联系我们页（对齐 14987.cn 布局，浅色主题） */
.kf-head { text-align: center; margin-bottom: 28px; }
.kf-title { font-size: clamp(26px, 3.4vw, 34px); font-weight: 800; background: var(--grad-soft); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.kf-sub { color: var(--ink-3); margin-top: 10px; font-size: 14.5px; }
.kf-btn-wrap { display: flex; justify-content: center; }
.kf-btn { display: inline-flex; align-items: center; gap: 9px; padding: 14px 34px; border-radius: 12px; background: var(--grad-soft); color: #fff; font-size: 16px; font-weight: 700; box-shadow: 0 10px 26px rgba(37, 99, 235, .3); transition: transform .25s ease, box-shadow .25s ease; }
.kf-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(37, 99, 235, .42); }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 62px; align-items: stretch; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 34px; box-shadow: var(--shadow); }
.info-card h3 { font-size: 22px; margin-bottom: 22px; }
.info-list { display: flex; flex-direction: column; gap: 20px; }
.info-list li { display: flex; align-items: flex-start; gap: 15px; }
.info-ico { width: 44px; height: 44px; border-radius: 11px; background: linear-gradient(135deg, rgba(37, 99, 235, .14), rgba(16, 185, 129, .14)); border: 1px solid rgba(37, 99, 235, .22); color: var(--blue); display: grid; place-items: center; flex-shrink: 0; }
.info-label { font-size: 12px; color: var(--ink-3); margin-bottom: 3px; }
.info-val { font-size: 14.8px; color: var(--ink); font-weight: 600; word-break: break-all; }
.info-val a { color: inherit; }
.info-val a:hover { color: var(--blue); }
.qr-card2 { display: flex; flex-direction: column; align-items: center; text-align: center; }
.qr-card2 h3 { margin-bottom: 8px; }
.info-sub { font-size: 13.5px; color: var(--ink-3); margin-bottom: 28px; }
.qr-glow { position: relative; }
.qr-glow::before { content: ""; position: absolute; inset: -16px; border-radius: 28px; background: linear-gradient(135deg, rgba(37, 99, 235, .2), rgba(16, 185, 129, .2)); filter: blur(24px); }
.qr-glow img { position: relative; width: 236px; height: 236px; object-fit: contain; background: #fff; border-radius: 14px; padding: 10px; box-shadow: 0 16px 40px rgba(15, 37, 87, .16); transition: transform .3s ease; }
.qr-glow:hover img { transform: scale(1.03); }
.qr-tip { display: flex; align-items: center; gap: 7px; margin-top: 24px; font-size: 13px; color: var(--ink-3); }
.qr-tip svg { color: var(--teal); flex-shrink: 0; }
.loc-head { text-align: center; margin: 74px 0 30px; }
.loc-head h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; }
.loc-head p { color: var(--ink-3); margin-top: 9px; font-size: 14.5px; }
.loc-wrap { display: grid; grid-template-columns: 306px 1fr; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); background: #fff; }
.loc-info { padding: 30px; display: flex; flex-direction: column; gap: 24px; justify-content: center; }
.loc-row { display: flex; gap: 12px; align-items: flex-start; }
.loc-row svg { flex-shrink: 0; margin-top: 2px; color: var(--blue); }
.loc-row:nth-child(2) svg { color: var(--teal); }
.loc-map { position: relative; min-height: 300px; }
.loc-map img { width: 100%; height: 100%; min-height: 300px; object-fit: cover; display: block; }
.map-actions { position: absolute; left: 0; right: 0; bottom: 0; padding: 16px; display: flex; gap: 10px; flex-wrap: wrap; background: linear-gradient(to top, rgba(10, 22, 40, .86), rgba(10, 22, 40, .45) 55%, transparent); }
.map-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; font-size: 13px; font-weight: 600; background: #fff; color: #111827; }
.map-btn.primary { background: #1d4ed8; color: #fff; }
/* ============================================================
   页脚
   ============================================================ */
.ft { background: #0d1b38; color: rgba(255, 255, 255, .75); padding: 56px 0 0; margin-top: 0; }
.ft-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 40px; }
.ft .logo-text { color: #fff; }
.ft-brand p { font-size: 13.5px; margin-top: 14px; line-height: 1.8; color: rgba(255, 255, 255, .6); }
.ft-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.ft-col a, .ft-col p { display: block; font-size: 13.5px; color: rgba(255, 255, 255, .62); margin-bottom: 10px; transition: color .2s; }
.ft-col a:hover { color: #7dd3fc; }
.ft-qr { display: flex; gap: 20px; align-items: flex-start; }
.ft-qr-item { text-align: center; }
.ft-qr-item img { display: block; width: 96px; height: 96px; object-fit: contain; background: #fff; border-radius: 10px; padding: 4px; }
.ft-qr small { display: block; margin-top: 6px; font-size: 12px; color: rgba(255, 255, 255, .6); }
.ft-bottom { border-top: 1px solid rgba(255, 255, 255, .12); padding: 18px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12.5px; color: rgba(255, 255, 255, .45); }
.ft-bottom p { margin: 0; }
.ft-legal { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.ft-legal a { color: rgba(255, 255, 255, .45); transition: color .2s; }
.ft-legal a:hover { color: #7dd3fc; }
/* ============================================================
   右侧悬浮工具条（1:1 复刻 jx-it.com：结构/尺寸/渐变/图标/交互一致）
   电话(悬停弹号码) / 二维码(悬停弹码) / 客服 / TOP，≤992px 隐藏
   ============================================================ */
.side { position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: 60; display: flex; flex-direction: column; gap: 1px; border-radius: 6px 0 0 6px; overflow: visible; }
.side-btn {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  width: 66px; height: 66px; background: linear-gradient(140deg, #1273cc, #0b3f86); color: #fff; font-size: 11.5px;
  box-shadow: -6px 0 22px rgba(11, 63, 134, .2); transition: background .3s; cursor: pointer;
  border: 0; -webkit-appearance: none; appearance: none; padding: 0;
}
.side-btn:first-child { border-radius: 6px 0 0 0; }
.side-btn:last-child { border-radius: 0 0 0 6px; }
.side-btn:hover { background: #e8451e; }
.side-btn .ico { width: 21px; height: 21px; }
.ico { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; width: 24px; height: 24px; line-height: 0; }
.ico::before {
  content: ""; display: block; width: 100%; height: 100%; background-color: currentColor;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain;
}
.ico-tel::before { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6.6 2.5a1.6 1.6 0 0 1 1.5 1l1 2.4a1.6 1.6 0 0 1-.4 1.8l-1.3 1.1a13 13 0 0 0 6.8 6.8l1.1-1.3a1.6 1.6 0 0 1 1.8-.4l2.4 1a1.6 1.6 0 0 1 1 1.5v2.4a1.7 1.7 0 0 1-1.9 1.7A17.6 17.6 0 0 1 4.9 4.4 1.7 1.7 0 0 1 6.6 2.5z' fill='%23000'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6.6 2.5a1.6 1.6 0 0 1 1.5 1l1 2.4a1.6 1.6 0 0 1-.4 1.8l-1.3 1.1a13 13 0 0 0 6.8 6.8l1.1-1.3a1.6 1.6 0 0 1 1.8-.4l2.4 1a1.6 1.6 0 0 1 1 1.5v2.4a1.7 1.7 0 0 1-1.9 1.7A17.6 17.6 0 0 1 4.9 4.4 1.7 1.7 0 0 1 6.6 2.5z' fill='%23000'/%3E%3C/svg%3E"); }
.ico-qr::before { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 3h7v7H3zM14 3h7v7h-7zM3 14h7v7H3zM14 14h2.6v2.6H14zM18.4 14H21v2.6h-2.6zM14 18.4h2.6V21H14zM17.6 17.6H21V21h-3.4z' fill='%23000'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 3h7v7H3zM14 3h7v7h-7zM3 14h7v7H3zM14 14h2.6v2.6H14zM18.4 14H21v2.6h-2.6zM14 18.4h2.6V21H14zM17.6 17.6H21V21h-3.4z' fill='%23000'/%3E%3C/svg%3E"); }
.ico-mail::before { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2.5' y='4.5' width='19' height='15' rx='2'/%3E%3Cpath d='M3.4 6.4 12 12.6l8.6-6.2'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2.5' y='4.5' width='19' height='15' rx='2'/%3E%3Cpath d='M3.4 6.4 12 12.6l8.6-6.2'/%3E%3C/svg%3E"); }
.ico-up::before { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 20V4M5 11l7-7 7 7'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 20V4M5 11l7-7 7 7'/%3E%3C/svg%3E"); }
/* 悬浮展开层（电话 / 二维码）：默认隐藏，鼠标移上按钮才展开 */
.side-tel em, .side-qr em {
  position: absolute; right: calc(100% + 12px); top: 50%; transform: translate(14px, -50%);
  opacity: 0; visibility: hidden; pointer-events: none; padding: 12px 14px; font-style: normal;
  background: #fff; border-radius: 6px; box-shadow: 0 14px 34px rgba(11, 63, 134, .18);
  transition: opacity .3s, transform .3s, visibility .3s;
}
.side-tel:hover em, .side-qr:hover em { opacity: 1; visibility: visible; transform: translate(0, -50%); }
.side-qr em { width: 146px; }
.side-qr em::after { content: "微信扫码咨询"; display: block; text-align: center; font-size: 11.5px; color: #8892a2; }
.side-qr em .js-qr { display: block; width: 118px; height: 118px; margin: 0 auto; }
.side-qr .qr-ph { display: grid; place-items: center; width: 100%; height: 100%; background: #f7f8fa; color: #8892a2; font-size: 11px; }
.side-tel em { width: 160px; white-space: nowrap; font-size: 13px; line-height: 1.9; color: #141b26; text-align: left; }
.side-tel em::before { content: "咨询热线"; display: block; font-size: 11.5px; color: #8892a2; }
@media (max-width: 992px) {
  .side { display: none; }
}
/* ============================================================
   滚动显现动效（.rv + data-delay）
   ============================================================ */
.rv { opacity: 0; transition: opacity .7s ease, transform .7s cubic-bezier(.22, .8, .3, 1); }
.rv:not(.in) { transform: translateY(34px); }
.rv.in { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  .float-card, .fc-bar i, .hero-visual::before, .hero-tag i { animation: none; }
  .sv-screen::before, .sv-screen::after, .sv-screen .mock-bar i, .sv-screen .sv-title,
  .svi-phone, .svi-cards i, .svi-prods figure, .svi-rank, .svi-row,
  .svi-palette i, .svi-chat .msg, .svi-chart i { animation: none; }
  .svi-chart i { transform: none; }
  .ha, .scroll-ind { animation: none; opacity: 1; }
  .page-hero .container > * { animation: none; opacity: 1; transform: none; }
  .scroll-ind svg { animation: none; }
}
/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .nav, .hdr-cta .btn, .hdr-kf { display: none; }
  .burger { display: block; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .svc-grid, .case-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
  .cli-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step + .step::before { display: none; }
  .ft-inner { grid-template-columns: 1fr 1fr; }
  .cta-band { grid-template-columns: 1fr; text-align: center; padding: 44px 30px; }
  .cta-btns { justify-content: center; }
  .svc-block { grid-template-columns: 1fr; gap: 26px; }
  .svc-block.rev .sb-visual { order: 0; }
  .cd-layout { grid-template-columns: 1fr; gap: 30px; }
  .cd-side { position: static; }
  .cd-cover { height: 320px; }
  .info-grid, .loc-wrap { grid-template-columns: 1fr; }
  .loc-map, .loc-map img { min-height: 240px; }
  .story-grid { grid-template-columns: 1fr; gap: 30px; }
  .value-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .kr-grid { grid-template-columns: 1fr; gap: 26px; }
}
@media (max-width: 860px) {
  .sec { padding: 40px 0; }
  .nav, .hdr-cta .btn { display: none; }
  .burger { display: block; }
}
@media (max-width: 620px) {
  body { font-size: 15px; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 56px); padding-bottom: 80px; }
  .hero-chips { gap: 7px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .stat + .stat::before { display: none; }
  .svc-grid, .case-grid, .adv-grid, .pcard-grid, .value-grid, .cli-grid, .post-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .sb-list { grid-template-columns: 1fr; }
  .sv-screen { min-height: 340px; }
  .sv-screen .sv-title { font-size: 19px; letter-spacing: 2px; }
  .svi-phone { width: 146px; }
  .cd-cover { height: 210px; margin-bottom: 30px; }
  .cd-box { padding: 18px 16px; margin-bottom: 14px; }
  .cd-box h2 { font-size: 16.5px; }
  .cd-nav { flex-wrap: wrap; }
  .btn { padding: 11px 20px; font-size: 14px; }
  .cta-band { padding: 36px 22px; }
  .info-card { padding: 24px 20px; }
  .info-grid { gap: 18px; margin-top: 44px; }
  .qr-glow img { width: 200px; height: 200px; }
  .loc-info { padding: 22px 20px; }
  .loc-head { margin: 52px 0 22px; }
  .ft-inner { grid-template-columns: 1fr; gap: 26px; }
  .ft-bottom { justify-content: center; text-align: center; }
}
/* ---------- 移动端统一修正 ---------- */
@media (max-width: 860px) {
  /* 触摸热区补足 */
  .crumb a { display: inline-block; padding: 9px 2px; margin: -9px 0; }
  .case-body h3 a, .post-body h3 a { display: inline-block; padding: 7px 0; }
  .ft-col a { padding: 5px 0; }
  .ft-legal a { display: inline-block; padding: 6px 0; }
  .info-val a { display: inline-block; padding: 8px 0; margin: -8px 0; }
  .cd-nav a { display: inline-block; padding: 7px 0; }
  .fbtn { min-height: 40px; padding: 10px 20px; }
  /* 文章内宽表格可横向滑动，不撑破版面 */
  .art-body table { display: block; max-width: 100%; overflow-x: auto; }
  .art-body pre { max-width: 100%; }
}
@media (max-width: 620px) {
  .hero h1 { font-size: 27px; text-wrap: balance; }
}
/* ============================================================
   移动端：底部菜单 / 悬浮客服 / 紧凑间距
   ============================================================ */
.mtab, .mf-kf, .mf-top, .hdr-tel { display: none; }
@media (max-width: 860px) {
  /* 固定底栏占位，避免遮挡页脚 */
  body { padding-bottom: calc(58px + env(safe-area-inset-bottom)); }

  .mtab {
    display: grid; grid-template-columns: repeat(6, 1fr);
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
    background: #fff;
    border-top: 1px solid rgba(15, 37, 87, .08);
    box-shadow: 0 -8px 26px rgba(15, 37, 87, .07);
  }
  .mtab-item {
    position: relative;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    min-height: 44px; border-radius: 8px; font-size: 10.5px; font-weight: 600;
    color: #6b7a93; letter-spacing: .2px; transition: color .2s ease;
  }
  .mtab-item svg { width: 21px; height: 21px; }
  .mtab-item.active { color: var(--blue); }
  .mtab-item.active::before {
    content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 20px; height: 3px; border-radius: 0 0 3px 3px; background: var(--blue);
  }

  /* 右下角常显客服圆钮 */
  .mf-kf {
    display: grid; place-items: center;
    position: fixed; right: 14px; bottom: calc(104px + env(safe-area-inset-bottom));
    z-index: 91; width: 54px; height: 54px; border-radius: 50%; color: #fff;
    background: linear-gradient(140deg, #3b82f6, #10b981);
    box-shadow: 0 10px 24px rgba(15, 111, 168, .3), 0 0 0 6px rgba(59, 130, 246, .08);
    transition: opacity .25s ease, transform .25s ease;
  }
  .mf-kf.hide { opacity: 0; transform: scale(.86); pointer-events: none; }
  .mf-kf svg { width: 24px; height: 24px; }
  .mf-kf:active { transform: scale(.96); }

  /* 顶部「拨打」胶囊 + 隐藏汉堡（导航交给底部菜单） */
  .hdr-tel {
    display: inline-flex; align-items: center; gap: 5px; height: 34px; padding: 0 12px;
    border-radius: 999px; border: 1px solid rgba(255, 255, 255, .45);
    color: #fff; font-size: 13px; font-weight: 700; white-space: nowrap;
  }
  .hdr-tel svg { width: 15px; height: 15px; }
  .hdr.scrolled .hdr-tel, .hdr.solid .hdr-tel { border-color: rgba(37, 99, 235, .32); color: var(--blue); }
  .burger { display: none; }

  /* 收紧纵向间距，页面不再松散 */
  .sec-head { margin-bottom: 30px; }
  .sec-title { font-size: 23px; }
  .sec-sub { margin-top: 9px; font-size: 14.5px; }
  .stats-band { padding: 32px 0; }
  .page-hero { padding: calc(var(--header-h) + 44px) 0 42px; }
  .page-hero p { font-size: 14.5px; }
  .hero { padding-bottom: 56px; }
  .ft { padding-top: 38px; }
  .ft-inner { gap: 20px; padding-bottom: 24px; }
  .svc-grid, .case-grid, .post-grid { gap: 16px; }
}
@media (max-width: 620px) {
  .sec { padding: 34px 0; }
  .sec-head { margin-bottom: 26px; }
  .stats-band { padding: 28px 0; }
  .hero { padding-top: calc(var(--header-h) + 40px); padding-bottom: 48px; }
  .cta-band { padding: 30px 20px; }
  .cd-box { padding: 16px 15px; margin-bottom: 12px; }
  /* 页脚：品牌与联系方式整行，两个链接列并排，避免竖向堆成一条长列表 */
  .ft-inner { grid-template-columns: 1fr 1fr; gap: 18px 16px; }
  .ft-brand { grid-column: 1 / -1; }
  .ft-col:nth-child(4) { grid-column: 1 / -1; }
  .ft-col h4 { margin-bottom: 6px; }
  .ft-col a { font-size: 13px; padding: 4px 0; }
  .ft-qr { gap: 14px; }
  .ft-qr-item img { width: 84px; height: 84px; }
  .ft-bottom { flex-direction: column; align-items: center; gap: 6px; padding: 14px 0 12px; }
}
/* ============================================================
   首页流程模块：白底（PC + 移动）
   ============================================================ */
.kx-home-process { background: #fff !important; padding: 52px 0 !important; }
:where(.nav-index) .kx-home-process { padding: 32px 0 !important; }
.kx-home-process::before { display: none !important; }

/* ============================================================
   移动端：核心服务 / 精选案例 / 页脚 采用旧版结构，整体更紧凑
   ============================================================ */
@media (max-width: 620px) {
  /* —— 纵向节奏收紧 —— */
  .sec { padding: 28px 0; }
  .sec-head { margin-bottom: 20px; }
  .sec-title { font-size: 21px; }
  .sec-title--core { font-size: 40px; }
  .sec-sub { margin-top: 6px; font-size: 13.5px; }
  .stats-band { padding: 22px 0; }
  .hero { padding-top: calc(var(--header-h) + 32px); padding-bottom: 42px; }
  .hero-sub { font-size: 13.8px; }
  .hero-btns { gap: 10px; }
  .hero-chips { gap: 6px; }
  .page-hero { padding: calc(var(--header-h) + 34px) 0 32px; }
  .cta-band { padding: 26px 18px; }
  .kx-home-process { padding: 30px 0 !important; }
  .kx-home-process .kx-heading { margin-bottom: 18px !important; }
  .kx-home-process .kx-heading h2 { font-size: 21px !important; }

  /* —— 核心服务：旧版「左图标 + 右文字 + 了解更多」列表卡 —— */
  .svc-grid { gap: 10px; }
  .svc-card {
    display: grid; grid-template-columns: 42px minmax(0, 1fr);
    column-gap: 12px; row-gap: 2px; padding: 14px; border-radius: 14px;
  }
  .svc-card::after { display: none; }
  .svc-icon { grid-column: 1; grid-row: 1 / span 2; width: 42px; height: 42px; border-radius: 11px; }
  .svc-icon svg { width: 21px; height: 21px; }
  .svc-card h3 { grid-column: 2; grid-row: 1; font-size: 16px; line-height: 1.35; }
  .svc-card p {
    grid-column: 2; grid-row: 2; font-size: 12.5px; line-height: 1.6; color: #66748c;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  }

  /* —— 精选案例：旧版「大图 + 左上角标签 + 标题摘要」竖排卡 —— */
  .case-grid { gap: 12px; }
  .case { border-radius: 14px; }
  .case-thumb { height: 168px; }
  .case-cat { top: 10px; left: 10px; right: auto; padding: 2px 9px; font-size: 11px; }
  .case-stat { display: none; }
  .case-body { padding: 12px 14px 14px; gap: 4px; }
  .case-body h3 { font-size: 15px; }
  .case-body p {
    font-size: 12.5px; line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  }
  .case-tags, .case-client { display: none; }

  /* —— 页脚：旧版居中精简结构 —— */
  .ft { padding-top: 24px; }
  .ft-inner { display: block; padding-bottom: 10px; text-align: center; }
  .ft-brand { margin-bottom: 10px; }
  .ft-brand .logo { justify-content: center; }
  .ft-brand p { display: none; }
  .ft-col h4 { display: none; }
  .ft-col:nth-child(2) { display: grid; grid-template-columns: repeat(3, auto); justify-content: center; margin-top: 6px; }
  .ft-col:nth-child(2) a { display: inline-block; padding: 4px 7px; font-size: 12px; }
  .ft-col:nth-child(3) { display: none; }
  .ft-col:nth-child(4) { margin-top: 10px; }
  .ft-col:nth-child(4) p { font-size: 12px; }
  .ft-qr { justify-content: center; gap: 16px; margin-top: 10px; }
  .ft-qr-item img { width: 88px; height: 88px; }
  .ft-bottom { border-top: 0; padding: 12px 0 6px; flex-direction: column; align-items: center; gap: 4px; font-size: 11px; }
  .ft-legal { gap: 14px; }
}