/* =========================================================
   懒板板科技官网 · 静态版设计系统
   视觉方向：简洁高级 + 深空蓝科技感
   ========================================================= */
:root {
  --primary: #0B1F3A;
  --primary-2: #123B75;
  --accent: #00C2FF;
  --gradient: linear-gradient(135deg, #0B1F3A 0%, #123B75 60%, #00C2FF 130%);
  --bg-dark: #0B1F3A;
  --bg-light: #F5F8FC;
  --text-main: #1A2B45;
  --text-sub: #5A6B85;
  --radius: 12px;
  --shadow: 0 12px 32px rgba(11, 31, 58, .10);
  --white: #ffffff;
  --line: #E3EAF4;
  --accent-soft: rgba(0, 194, 255, .12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; }
input, select, textarea { font-family: inherit; font-size: 14px; }

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- 通用文字 ---------- */
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title { font-size: 32px; font-weight: 700; line-height: 1.3; }
.section-sub { margin-top: 12px; color: var(--text-sub); font-size: 15px; max-width: 640px; }
.center { text-align: center; }
.center .section-sub { margin-left: auto; margin-right: auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-accent {
  background: linear-gradient(135deg, #00C2FF, #0072FF);
  color: #fff;
  box-shadow: 0 8px 20px rgba(0, 114, 255, .35);
}
.btn-ghost {
  border: 1.5px solid rgba(255, 255, 255, .55);
  color: #fff;
  background: transparent;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-outline {
  border: 1.5px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-sm { padding: 9px 20px; font-size: 14px; }

/* ---------- 顶栏导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand img {
  height: 44px;            /* 适配导航高度，不变形不裁切 */
  width: auto;
  object-fit: contain;
  border-radius: 8px;
}
.brand .brand-name { display: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  padding: 6px 2px;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary-2));
  transition: right .25s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after { right: 0; }
.nav-links a.active { color: var(--primary-2); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 8px;
}
.hamburger span {
  width: 22px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}

/* ---------- Hero（暗色渐变 + 微光） ---------- */
.hero {
  position: relative;
  background: var(--gradient);
  color: #fff;
  overflow: hidden;
  padding: 96px 0 110px;
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: .5;
  pointer-events: none;
}
.hero::before {
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(0,194,255,.35), transparent 65%);
  top: -140px; right: -80px;
}
.hero::after {
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(18,59,117,.8), transparent 70%);
  bottom: -160px; left: -100px;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-size: 44px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: .01em;
}
.hero h1 .hl {
  background: linear-gradient(90deg, #00C2FF, #7CE7FF);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  margin-top: 18px;
  font-size: 17px;
  color: rgba(255, 255, 255, .82);
  max-width: 540px;
}
.hero-actions { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-panel {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 18px;
  padding: 26px;
  backdrop-filter: blur(6px);
}
.hero-panel h3 { font-size: 17px; margin-bottom: 14px; }
.hero-panel .mini-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.mini-stat {
  background: rgba(255, 255, 255, .07);
  border-radius: var(--radius);
  padding: 14px;
}
.mini-stat b { display: block; font-size: 22px; color: #7CE7FF; }
.mini-stat span { font-size: 12.5px; color: rgba(255, 255, 255, .75); }

/* ---------- 数据带（暗色） ---------- */
.data-band {
  background: var(--bg-dark);
  color: #fff;
  padding: 34px 0;
  border-top: 1px solid rgba(255, 255, 255, .06);
}
.data-band .grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  text-align: center;
}
.data-band b {
  display: block;
  font-size: 30px;
  background: linear-gradient(90deg, #7CE7FF, #00C2FF);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.data-band span { font-size: 13px; color: rgba(255, 255, 255, .65); }
.data-band .note { text-align: center; margin-top: 14px; font-size: 12px; color: rgba(255,255,255,.4); }

/* ---------- 区块 ---------- */
.section { padding: 78px 0; }
.section.light { background: var(--bg-light); }

/* ---------- 卡片通用 ---------- */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

/* ---------- 产品入口卡片 ---------- */
.product-card {
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .25s ease, box-shadow .25s ease;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity .25s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(11, 31, 58, .16); }
.product-card:hover::before { opacity: 1; }
.product-card .icon-wrap {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  display: flex; align-items: center; justify-content: center;
  color: #7CE7FF;
}
.product-card .icon-wrap svg { width: 26px; height: 26px; }
.product-card h3 { font-size: 18px; }
.product-card p { font-size: 13.5px; color: var(--text-sub); flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--primary-2);
}
.product-card .more { font-size: 14px; font-weight: 600; color: var(--primary-2); }

/* ---------- 场景卡片 ---------- */
.scene-card {
  padding: 22px;
  text-align: center;
}
.scene-card .icon-wrap {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--primary-2);
  display: flex; align-items: center; justify-content: center;
}
.scene-card .icon-wrap svg { width: 28px; height: 28px; }
.scene-card h4 { font-size: 16px; margin-bottom: 6px; }
.scene-card p { font-size: 13px; color: var(--text-sub); }

/* ---------- 优势 ---------- */
.adv-card { padding: 26px 22px; }
.adv-card .num {
  font-size: 14px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: .1em;
}
.adv-card h4 { font-size: 17px; margin: 8px 0; }
.adv-card p { font-size: 13.5px; color: var(--text-sub); }

/* ---------- 评价 ---------- */
.quote-card { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.quote-card .stars { color: #F5A623; letter-spacing: 2px; font-size: 14px; }
.quote-card blockquote { font-size: 14.5px; color: var(--text-main); line-height: 1.7; }
.quote-card .who { display: flex; align-items: center; gap: 10px; margin-top: auto; }
.quote-card .avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-2), var(--accent));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
}
.quote-card .who b { font-size: 14px; display: block; }
.quote-card .who span { font-size: 12px; color: var(--text-sub); }

.logo-wall {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.logo-wall .ph {
  height: 56px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #9AAAC4;
  font-size: 12.5px;
  background: #FAFCFF;
}

/* ---------- 企业故事 ---------- */
.story-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.story-visual {
  border-radius: 18px;
  background: var(--gradient);
  min-height: 300px;
  position: relative;
  overflow: hidden;
  display: flex; align-items: flex-end;
  padding: 26px;
  color: #fff;
}
.story-visual::before {
  content: "";
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,194,255,.4), transparent 65%);
  top: -60px; right: -60px;
}
.story-visual b { font-size: 22px; position: relative; }
.story-visual span { display: block; font-size: 13px; opacity: .8; position: relative; }
.story-text p { color: var(--text-sub); font-size: 14.5px; margin-top: 14px; }

/* ---------- 案例卡片 ---------- */
.case-card { overflow: hidden; display: flex; flex-direction: column; transition: transform .25s ease, box-shadow .25s ease; }
.case-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(11,31,58,.16); }
.case-thumb {
  height: 150px;
  position: relative;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 30px;
}
.case-thumb .biz-tag {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(255,255,255,.92);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
}
.case-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.case-body h4 { font-size: 16.5px; }
.case-body .loc { font-size: 13px; color: var(--text-sub); display: flex; align-items: center; gap: 5px; }
.case-body .effect { font-size: 13.5px; color: var(--primary-2); font-weight: 600; }
.case-body .more { margin-top: auto; padding-top: 8px; font-size: 14px; font-weight: 600; color: var(--accent); }

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  background: var(--gradient);
  border-radius: 20px;
  color: #fff;
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-banner::before {
  content: "";
  position: absolute;
  width: 340px; height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,194,255,.35), transparent 65%);
  top: -120px; right: -60px;
}
.cta-banner h2 { font-size: 28px; position: relative; }
.cta-banner p { margin-top: 12px; color: rgba(255,255,255,.8); position: relative; }
.cta-banner .btn { margin-top: 24px; position: relative; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, .78);
  padding: 56px 0 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img {
  height: 56px; width: auto; object-fit: contain;
  background: #fff;
  border-radius: 10px;
  padding: 4px;
}
.footer-brand b { color: #fff; font-size: 16px; display: block; }
.footer-brand span { font-size: 12px; color: rgba(255,255,255,.5); letter-spacing: .14em; }
.footer-desc { margin-top: 16px; font-size: 13px; line-height: 1.8; color: rgba(255,255,255,.6); max-width: 320px; }
.footer-col h5 { color: #fff; font-size: 14.5px; margin-bottom: 14px; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { color: rgba(255,255,255,.65); font-size: 13.5px; transition: color .2s; }
.footer-col a:hover { color: var(--accent); }
.footer-contact {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 36px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
}
.footer-contact b { color: rgba(255,255,255,.85); font-weight: 600; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 16px 0 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .45);
}

/* ---------- 悬浮转化条 ---------- */
.float-bar {
  position: fixed;
  right: 18px;
  bottom: 90px;
  z-index: 950;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.float-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 8px 20px rgba(11,31,58,.28);
  transition: transform .2s ease;
  position: relative;
}
.float-btn:hover { transform: scale(1.08); }
.float-btn svg { width: 22px; height: 22px; }
.float-btn .tip {
  position: absolute;
  right: 62px;
  white-space: nowrap;
  background: var(--primary);
  color: #fff;
  font-size: 12.5px;
  padding: 6px 12px;
  border-radius: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.float-btn:hover .tip { opacity: 1; }
.fb-phone { background: linear-gradient(135deg, #00C2FF, #0072FF); }
.fb-chat { background: linear-gradient(135deg, #22C55E, #15803D); }
.fb-book { background: linear-gradient(135deg, #F59E0B, #D97706); }
.back-top {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto;
  box-shadow: var(--shadow);
  font-size: 16px;
}

/* ---------- 社会证明条 ---------- */
.proof-bar {
  position: fixed;
  left: 18px;
  bottom: 22px;
  z-index: 940;
  background: rgba(11, 31, 58, .92);
  color: #fff;
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 26px rgba(11,31,58,.35);
  backdrop-filter: blur(6px);
  max-width: 72vw;
}
.proof-bar .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 0 4px rgba(34,197,94,.2);
  flex-shrink: 0;
}
.proof-bar #proofRoll { color: rgba(255,255,255,.85); transition: opacity .3s ease; }

/* ---------- 表单 ---------- */
.lead-form { padding: 28px; }
.lead-form h3 { font-size: 19px; margin-bottom: 4px; }
.lead-form .form-sub { font-size: 13px; color: var(--text-sub); margin-bottom: 18px; }
.field { margin-bottom: 14px; display: flex; flex-direction: column; }
.field label { display: block; font-size: 13px; font-weight: 600; line-height: 1.5; margin-bottom: 6px; }
.field label em { color: #E24C4C; font-style: normal; margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #FAFCFF;
  color: var(--text-main);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field textarea { resize: vertical; min-height: 104px; line-height: 1.6; }
.captcha-row { display: flex; gap: 10px; align-items: center; }
.captcha-row input { flex: 1; }
.captcha-img {
  height: 44px;
  border-radius: 8px;
  border: 1.5px solid var(--line);
  cursor: pointer;
  flex-shrink: 0;
}
.form-privacy { font-size: 12px; color: var(--text-sub); margin-top: 12px; display: flex; gap: 6px; align-items: flex-start; }
.form-msg { margin-top: 12px; font-size: 13.5px; display: none; padding: 10px 14px; border-radius: 10px; }
.form-msg.ok { display: block; background: #EAF9F0; color: #15803D; }
.form-msg.err { display: block; background: #FDECEC; color: #C0392B; }

/* ---------- 产品 tab（产品方案页） ---------- */
.tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.tab-btn {
  padding: 16px 14px;
  border-radius: var(--radius);
  border: 1.5px solid var(--line);
  background: #fff;
  text-align: left;
  transition: all .22s ease;
}
.tab-btn .t-name { font-size: 15px; font-weight: 700; color: var(--text-main); display: block; }
.tab-btn .t-sub { font-size: 12px; color: var(--text-sub); margin-top: 3px; display: block; }
.tab-btn.active {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 12px 26px rgba(11,31,58,.3);
}
.tab-btn.active .t-name { color: #fff; }
.tab-btn.active .t-sub { color: rgba(255,255,255,.72); }

.product-detail { padding: 36px; margin-top: 26px; }
.pd-head { display: flex; align-items: flex-start; gap: 18px; }
.pd-head .icon-wrap {
  width: 60px; height: 60px;
  border-radius: 16px;
  background: var(--gradient);
  color: #7CE7FF;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.pd-head .icon-wrap svg { width: 30px; height: 30px; }
.pd-head h3 { font-size: 24px; }
.pd-head .pd-desc { color: var(--text-sub); font-size: 14px; margin-top: 4px; }
.pd-section-title {
  margin: 30px 0 14px;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.pd-section-title::before {
  content: "";
  width: 4px; height: 16px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), var(--primary-2));
}
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.feature-item {
  background: var(--bg-light);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 13.5px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.feature-item .fi-icon { color: var(--primary-2); flex-shrink: 0; margin-top: 1px; }
.feature-item b { display: block; font-size: 14px; }
.feature-item span { color: var(--text-sub); font-size: 12.5px; }
.shot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.shot-ph {
  height: 150px;
  border-radius: 10px;
  border: 1px dashed #C4D2E6;
  background: linear-gradient(160deg, #0E2547, #123B75);
  display: flex; flex-direction: column; gap: 6px;
  align-items: center; justify-content: center;
  color: rgba(255,255,255,.55);
  font-size: 12.5px;
}

/* ---------- 时间线（关于我们） ---------- */
.timeline { position: relative; margin-top: 30px; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--primary-2));
}
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -26px; top: 5px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--accent);
}
.tl-item .tl-year { font-size: 15px; font-weight: 800; color: var(--primary-2); }
.tl-item h4 { font-size: 15.5px; margin: 4px 0; }
.tl-item p { font-size: 13.5px; color: var(--text-sub); }

/* ---------- 荣誉卡片 ---------- */
.honor-card { padding: 22px; display: flex; gap: 14px; align-items: flex-start; }
.honor-card .icon-wrap {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--primary-2);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.honor-card b { font-size: 15px; display: block; }
.honor-card span { font-size: 12.5px; color: var(--text-sub); }

/* ---------- 加盟流程 ---------- */
.flow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; counter-reset: step; }
.step-card { padding: 22px 16px; text-align: center; position: relative; }
.step-card .step-num {
  width: 40px; height: 40px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.step-card h4 { font-size: 15px; margin-bottom: 6px; }
.step-card p { font-size: 12.5px; color: var(--text-sub); }

/* ---------- 新闻 ---------- */
.news-card { overflow: hidden; display: flex; flex-direction: column; transition: transform .25s ease; }
.news-card:hover { transform: translateY(-5px); }
.news-cover { height: 140px; position: relative; }
.news-cover .cat-tag {
  position: absolute; top: 12px; left: 12px;
  background: rgba(255,255,255,.92);
  color: var(--primary);
  font-size: 12px; font-weight: 600;
  padding: 4px 12px; border-radius: 999px;
}
.news-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.news-body h4 { font-size: 16px; line-height: 1.45; }
.news-body p { font-size: 13px; color: var(--text-sub); flex: 1; }
.news-body .meta { font-size: 12px; color: #9AAAC4; display: flex; gap: 14px; }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.filter-btn {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: #fff;
  font-size: 13.5px;
  color: var(--text-sub);
  transition: all .2s ease;
}
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ---------- 文章正文 ---------- */
.article-wrap { max-width: 800px; margin: 0 auto; }
.article-wrap .art-head { margin-bottom: 26px; }
.article-wrap h1 { font-size: 30px; line-height: 1.35; }
.article-wrap .art-meta { margin-top: 12px; font-size: 13px; color: #9AAAC4; display: flex; gap: 16px; }
.article-body { font-size: 15px; line-height: 1.9; color: #33455F; }
.article-body p { margin-bottom: 16px; }
.article-body h2 { font-size: 20px; margin: 28px 0 14px; color: var(--primary); }
.article-body ul { margin: 0 0 16px 20px; list-style: disc; }
.article-body li { margin-bottom: 6px; }

/* ---------- 案例详情 / hero 小版本 ---------- */
.page-hero {
  background: var(--gradient);
  color: #fff;
  padding: 64px 0 70px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,194,255,.3), transparent 65%);
  top: -130px; right: -70px;
}
.page-hero .eyebrow { color: #7CE7FF; }
.page-hero h1 { font-size: 36px; position: relative; }
.page-hero p { margin-top: 12px; color: rgba(255,255,255,.8); max-width: 620px; position: relative; }

.detail-layout { display: grid; grid-template-columns: 1fr 340px; gap: 30px; align-items: start; }
.detail-side { position: sticky; top: 84px; }

/* ---------- 面包屑 ---------- */
.crumbs { font-size: 13px; color: var(--text-sub); margin-bottom: 18px; }
.crumbs a { color: var(--primary-2); }
.crumbs a:hover { text-decoration: underline; }

/* ---------- 收益测算（加盟） ---------- */
.calc-card { padding: 28px; }
.calc-note { font-size: 12px; color: var(--text-sub); margin-top: 14px; }
.calc-row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.calc-row b { color: var(--primary-2); }

/* ---------- 在线客服占位弹层 ---------- */
.cs-panel {
  position: fixed;
  right: 84px;
  bottom: 96px;
  z-index: 960;
  width: 300px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(11,31,58,.28);
  border: 1px solid var(--line);
  padding: 22px;
  display: none;
}
.cs-panel.open { display: block; }
.cs-panel h4 { font-size: 16px; margin-bottom: 6px; }
.cs-panel p { font-size: 13px; color: var(--text-sub); }
.cs-panel .cs-close {
  position: absolute; top: 10px; right: 12px;
  background: none; color: #9AAAC4; font-size: 16px;
}
.cs-panel .btn { width: 100%; margin-top: 16px; }

/* ---------- 动画 ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.reveal { animation: fadeUp .6s ease both; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-grid, .story-wrap, .detail-layout { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .data-band .grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .feature-list, .shot-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .tabs { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 34px; }
  .section-title { font-size: 26px; }

  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 6%;
    gap: 16px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(11,31,58,.12);
    transform: translateY(-130%);
    transition: transform .3s ease;
  }
  .nav-links.open { transform: none; }
  .hamburger { display: flex; }
  .nav-cta .btn { display: none; }
  .detail-side { position: static; }
}
@media (max-width: 560px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 80px; }
  .proof-bar { max-width: 92vw; font-size: 12px; }
  .float-bar { right: 12px; }
}

/* ---------- 补丁：头像 SVG 图标化（方案 1.2.4 去单字图标） ---------- */
.quote-card .avatar svg { width: 18px; height: 18px; }

/* ---------- 案例卡片：门店 Logo（占位图，上线前替换为真实 Logo） ---------- */
.case-thumb .biz-tag { z-index: 1; }
.case-thumb .logo-ph {
  position: absolute;
  right: 12px; bottom: 12px;
  width: 46px; height: 46px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, .35);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .25);
  z-index: 1;
}

/* ---------- 案例实景图（真实门店照片） ---------- */
.case-thumb .case-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}

/* ---------- 首页 Hero：门店实拍 / 科技场景大图（占位图，上线前替换为实拍） ---------- */
.hero-shot {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, .14);
  margin-bottom: 16px;
  display: block;
}

/* ---------- 场景实拍图（真实门店照片） ---------- */
.scene-img {
  width: 100%; height: 88px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  margin-top: 10px;
  display: block;
}

/* ---------- 应用截图（系统界面效果图） ---------- */
.shot-img {
  width: 100%; height: 150px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line);
  display: block;
}

/* ---------- 资讯封面图（实景照片） ---------- */
.news-cover .news-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.news-cover .cat-tag { z-index: 1; }

/* ---------- 内联 SVG 图标尺寸兜底：未显式指定尺寸的图标随字号渲染，组件级规则覆盖 ---------- */
svg:not([width]) { width: 1.15em; height: 1.15em; vertical-align: -0.2em; }
.fi-icon svg { width: 16px; height: 16px; }
.news-cover svg { width: 36px; height: 36px; }
.honor-card .icon-wrap svg { width: 22px; height: 22px; }
.adv-card .icon-wrap svg { width: 26px; height: 26px; }
.ico-chip svg { width: 20px; height: 20px; }

/* ---------- 栅格修正：列数用类替代内联样式，保证移动端响应式 ---------- */
.grid-4.support-grid { grid-template-columns: repeat(5, 1fr); }
.flow-steps.flow-4 { grid-template-columns: repeat(4, 1fr); }
.flow-steps.flow-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 960px) {
  .grid-4.support-grid { grid-template-columns: repeat(3, 1fr); }
  .flow-steps.flow-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .grid-4.support-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-steps.flow-4, .flow-steps.flow-2 { grid-template-columns: 1fr; }
}
