@charset "utf-8";
/* ==========================================================================
   南京润孟成装机实体店 · jianrongji.net  样式表
   设计：深色头图 + 亮色内容区，蓝橙双色，工程感
   ========================================================================== */

:root {
  --ink: #070d1a;
  --ink-2: #0d1730;
  --text: #16202f;
  --muted: #5f6b7d;
  --line: #e6e9ef;
  --line-2: #eef1f6;
  --bg: #f6f7f9;
  --card: #ffffff;
  --brand: #1652f0;
  --brand-dark: #0d3cc4;
  --accent: #ff5a1f;
  --ok: #0c9a63;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px -12px rgba(16, 24, 40, .14);
  --shadow-lg: 0 24px 60px -24px rgba(10, 20, 45, .35);
  --wrap: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--ink);
  color: #b7c2d4;
  font-size: 13px;
  line-height: 40px;
}
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; }
.topbar a { color: #dbe4f3; }
.topbar a:hover { color: #fff; }
.topbar .tel { color: #fff; font-weight: 600; letter-spacing: .02em; }
.topbar .tel span { color: var(--accent); }
.topbar .hide-sm { display: inline; }
/* 顶栏左侧文案较长：窄一些的桌面屏先收起右侧的营业时间/电话，避免顶栏被撑成两行 */
@media (max-width: 1000px) {
  .topbar .hide-sm { display: none; }
}

/* ---------- 头部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px; gap: 24px;
}
.logo { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(140deg, var(--brand), #0a2fa8);
  display: grid; place-items: center; color: #fff;
  box-shadow: 0 6px 16px -8px rgba(22, 82, 240, .9);
}
.logo-mark svg { width: 22px; height: 22px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text b { font-size: 17px; letter-spacing: 0; white-space: nowrap; }
.logo-text small { font-size: 10.5px; color: var(--muted); letter-spacing: .12em; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  position: relative; padding: 8px 14px; border-radius: 8px;
  font-size: 15px; color: #303c4f; font-weight: 500;
}
.nav a:hover { color: var(--brand); background: #f1f5ff; }
.nav a.is-active { color: var(--brand); font-weight: 600; }
.nav a.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 1px;
  height: 2px; border-radius: 2px; background: var(--brand);
}
.header-cta { display: flex; align-items: center; gap: 10px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 20px; border-radius: 10px;
  font-size: 15px; font-weight: 600; white-space: nowrap;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 10px 24px -12px rgba(22, 82, 240, .9); }
.btn-primary:hover { background: var(--brand-dark); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 10px 24px -12px rgba(255, 90, 31, .9); }
.btn-accent:hover { background: #ec4a12; }
.btn-ghost { background: #fff; color: var(--text); border-color: #d7dde8; }
.btn-ghost:hover { border-color: #b9c4d6; background: #fbfcfe; }
.btn-outline-light { background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.28); }
.btn-outline-light:hover { background: rgba(255,255,255,.14); }
.btn-block { width: 100%; }
.btn-sm { height: 38px; padding: 0 14px; font-size: 14px; border-radius: 9px; }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 18px; height: 2px; border-radius: 2px;
  background: var(--text); position: relative;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(900px 420px at 82% 12%, rgba(22, 82, 240, .38), transparent 62%),
    radial-gradient(700px 400px at 8% 100%, rgba(255, 90, 31, .16), transparent 66%),
    linear-gradient(160deg, #070d1a 0%, #0a1430 58%, #08101f 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  pointer-events: none;
}
.hero .wrap {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.08fr .92fr; gap: 48px;
  align-items: center; padding-top: 64px; padding-bottom: 64px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 30px; padding: 5px 12px; border-radius: 999px;
  max-width: 100%; line-height: 1.45;
  background: rgba(22, 82, 240, .16); border: 1px solid rgba(120, 160, 255, .35);
  color: #b9ccff; font-size: 12.5px; letter-spacing: .06em;
}
.eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 3px rgba(74, 222, 128, .18); flex: 0 0 auto; }
.eyebrow-txt { text-wrap: balance; }
.hero h1 {
  margin: 18px 0 0; font-size: clamp(30px, 4.2vw, 46px); line-height: 1.22;
  letter-spacing: -.02em;
}
.hero h1 em { font-style: normal; color: #7fa6ff; }
.hero .lead {
  margin-top: 18px; max-width: 30em; color: #b9c4d6; font-size: 16.5px;
  text-wrap: pretty;
}
/* 首屏业务范围 */
.scope { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 22px; }
.scope b {
  font-size: 12.5px; font-weight: 600; color: #8fa3c0;
  letter-spacing: .08em; margin-right: 2px;
}
.scope span {
  font-size: 13.5px; color: #dde5f3; padding: 5px 12px;
  border: 1px solid rgba(255,255,255,.2); border-radius: 999px;
  background: rgba(255,255,255,.06); white-space: nowrap;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-actions .hint { width: 100%; font-size: 13px; color: #8794a4; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px; margin-top: 40px; padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.hero-stats b { display: block; font-size: 24px; letter-spacing: -.01em; }
.hero-stats b span { font-size: 14px; font-weight: 500; color: #9fb0c8; margin-left: 2px; }
.hero-stats p { font-size: 13px; color: #93a2b8; line-height: 1.5; }

.hero-media { position: relative; }
.hero-media .shot {
  position: relative; border-radius: 18px; overflow: hidden;
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 4.4;
}
.hero-media .shot img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 24%; }
.hero-media .shot picture { display: contents; }
.hero-media .shot::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5, 10, 22, .72) 100%);
}
.hero-badge {
  position: absolute; left: 16px; right: 16px; bottom: 16px; z-index: 2;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: 12px;
  background: rgba(9, 16, 32, .72); border: 1px solid rgba(255,255,255,.14);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.hero-badge .dot { width: 9px; height: 9px; border-radius: 50%; background: #4ade80; flex: 0 0 auto; }
.hero-badge b { font-size: 14px; display: block; }
.hero-badge small { font-size: 12px; color: #9fb0c8; }
.hero-float {
  position: absolute; top: 14px; right: 14px; z-index: 3;
  background: rgba(255, 255, 255, .96); color: var(--text); border-radius: 10px;
  padding: 8px 12px; box-shadow: var(--shadow-lg);
  font-size: 12px; line-height: 1.35; text-align: center;
}
.hero-float b { display: block; font-size: 15px; color: var(--brand); }

/* ---------- 通用区块 ---------- */
.section { padding: 76px 0; }
.section.tight { padding: 56px 0; }
.section.alt { background: #fff; border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.section.dark { background: var(--ink); color: #fff; }
.sec-head { max-width: 720px; margin-bottom: 36px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-kicker {
  display: inline-block; font-size: 12.5px; font-weight: 600; letter-spacing: .16em;
  color: var(--brand); text-transform: uppercase;
}
.sec-head h2 { margin-top: 10px; font-size: clamp(24px, 2.9vw, 32px); }
.sec-head p { margin-top: 12px; color: var(--muted); font-size: 15.5px; }
/* 手机上按语义分组换行，避免末行只剩「票！」这类孤字 */
.br-m { display: none; }
/* 极窄屏专用的更细分组换行 */
.br-s { display: none; }
/* 页脚服务范围一行在手机上的断行点 */
.br-kw { display: none; }
.section.dark .sec-head p { color: #a5b2c6; }
.section.dark .sec-kicker { color: #7fa6ff; }

.grid { display: grid; gap: 18px; }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .22s ease, border-color .2s ease;
}
a.card:hover, .card.hoverable:hover {
  transform: translateY(-3px); border-color: #cfd9ea;
  box-shadow: 0 1px 2px rgba(16,24,40,.05), 0 22px 40px -24px rgba(16,24,40,.28);
}
.card h3 { font-size: 17.5px; }
.card p { margin-top: 8px; color: var(--muted); font-size: 14.5px; }
/* 装机品牌页：分类在上、品牌标签在下 */
.brand-cats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.brand-cat {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 22px 20px; box-shadow: 0 1px 2px rgba(16,24,40,.04);
}
.brand-cat h3 {
  display: flex; align-items: center; gap: 8px;
  font-size: 15.5px; letter-spacing: .01em;
}
.brand-cat h3::before {
  content: ""; width: 3px; height: 14px; border-radius: 2px;
  background: var(--brand); flex: 0 0 auto;
}
.brand-cat .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.brand-cat .chips span {
  display: inline-flex; align-items: center; height: 30px; padding: 0 14px;
  border-radius: 999px; background: #f2f6fd; border: 1px solid #e2eaf7;
  color: #2b3a56; font-size: 13.5px; font-weight: 500; letter-spacing: .02em;
  transition: background .16s ease, border-color .16s ease, color .16s ease;
}
.brand-cat .chips span:hover { background: #e8f0ff; border-color: #cddcf8; color: var(--brand-dark); }
/* 品牌词不被拆开；窄屏放开手动换行，交给自动折行 */
.nw { white-space: nowrap; }
@media (max-width: 360px) { .br-360 { display: none; } }
/* ---------- CPU 天梯图（tiantitu/） ---------- */
.legend { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin-bottom: 18px; }
.legend .lg { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 600; color: #2b3a56; }
.legend .lg i { width: 14px; height: 14px; border-radius: 4px; flex: 0 0 auto; }
.legend .lg i.intel { background: linear-gradient(135deg, #2f7fd1, #1663ac); }
.legend .lg i.amd { background: linear-gradient(135deg, #f0862b, #e2571c); }
.legend .lg-note { font-size: 12.5px; color: #8b97a9; }
.cpu-list {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 8px 22px; box-shadow: 0 1px 2px rgba(16,24,40,.04);
}
.cpu-row {
  display: grid; grid-template-columns: 34px minmax(0, 168px) 1fr 64px;
  gap: 12px; align-items: center; padding: 8px 0;
  border-bottom: 1px dashed #e6ebf3;
}
.cpu-row:last-child { border-bottom: 0; }
.cpu-rank {
  font-weight: 700; font-size: 13.5px; color: #a3aebf;
  font-variant-numeric: tabular-nums; text-align: center;
}
.cpu-row:nth-child(-n+3) .cpu-rank { color: var(--accent); }
.cpu-name { min-width: 0; font-size: 14px; color: #1b2a44; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cpu-name b { font-weight: 600; }
.cpu-name small { color: #98a4b6; font-size: 11.5px; font-weight: 500; margin-left: 6px; }
.cpu-bar { height: 13px; background: #f1f4f9; border-radius: 7px; overflow: hidden; min-width: 0; }
.cpu-bar i { display: block; height: 100%; border-radius: 7px; }
.cpu-bar i.intel { background: linear-gradient(90deg, #3a89d8, #1663ac); }
.cpu-bar i.amd { background: linear-gradient(90deg, #f0862b, #e2571c); }
.cpu-bar i.nv { background: linear-gradient(90deg, #5eb854, #2f8f2f); }
.legend .lg i.nv { background: linear-gradient(135deg, #5eb854, #2f8f2f); }
.cpu-score { font-variant-numeric: tabular-nums; font-size: 12.5px; color: #5c6b82; text-align: right; white-space: nowrap; }
@media (max-width: 560px) {
  .cpu-list { padding: 4px 14px; }
  .cpu-row {
    grid-template-columns: 26px minmax(0, 1fr) auto;
    grid-template-areas: "rank name score" "rank bar bar";
    gap: 4px 10px; padding: 9px 0;
  }
  .cpu-rank { grid-area: rank; }
  .cpu-name { grid-area: name; }
  .cpu-bar { grid-area: bar; height: 10px; }
  .cpu-score { grid-area: score; font-size: 12px; }
  .legend .lg-note { width: 100%; }
}

.icon-box {
  width: 44px; height: 44px; border-radius: 11px; margin-bottom: 16px;
  display: grid; place-items: center;
  background: #eef3ff; color: var(--brand);
}
.icon-box svg { width: 22px; height: 22px; }
.icon-box.orange { background: #fff1eb; color: var(--accent); }
.icon-box.green { background: #e9f8f1; color: var(--ok); }

/* ---------- 服务 ---------- */
.service-card { padding: 26px 24px; }
.service-card p { text-wrap: balance; }
.service-card ul { margin-top: 14px; display: grid; gap: 6px; }
.service-card li {
  position: relative; padding-left: 16px; font-size: 14px; color: #45536a;
}
.service-card li::before {
  content: ""; position: absolute; left: 2px; top: 11px;
  width: 5px; height: 5px; border-radius: 50%; background: #b9c6dd;
}

/* ---------- 装机方案 ---------- */
.plan {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px 24px;
  display: flex; flex-direction: column;
  transition: transform .18s ease, box-shadow .22s ease, border-color .2s ease;
}
.plan:hover { transform: translateY(-4px); box-shadow: 0 28px 50px -30px rgba(16,24,40,.4); border-color: #cfd9ea; }
.plan.best { border-color: #c3d3ff; box-shadow: 0 24px 48px -26px rgba(22,82,240,.42); }
.plan .flag {
  position: absolute; top: -12px; left: 24px;
  height: 24px; padding: 0 10px; border-radius: 6px;
  background: var(--brand); color: #fff; font-size: 12px; font-weight: 600;
  display: inline-flex; align-items: center;
}
.plan h3 { font-size: 19px; }
.plan .for { font-size: 13px; color: var(--muted); margin-top: 6px; }
.plan .price {
  margin: 18px 0 4px; font-size: 26px; font-weight: 700; color: var(--ink); letter-spacing: -.02em;
}
.plan .price small { font-size: 13px; font-weight: 500; color: var(--muted); margin-left: 6px; }
.plan .note { font-size: 12px; color: #8a95a6; }
.plan ul { margin: 18px 0 22px; display: grid; gap: 8px; }
.plan li { position: relative; padding-left: 22px; font-size: 14px; color: #43506a; }
.plan li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--ok); font-size: 13px; font-weight: 700;
}
.plan .btn { margin-top: auto; }

/* 宽表格在窄屏内横向滚动，不挤压文字 */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap table { min-width: 560px; }

/* ---------- 保障 ---------- */
.safe-list { display: grid; gap: 14px; }
.safe-item {
  display: flex; gap: 14px; padding: 20px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
}
.safe-item .n {
  flex: 0 0 auto; width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center; font-weight: 700; font-size: 14px;
  background: var(--ink); color: #fff;
}
.safe-item h4 { font-size: 16px; }
.safe-item p { margin-top: 4px; font-size: 14px; color: var(--muted); }

/* ---------- 流程 ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 16px; }
.step {
  position: relative; padding: 24px 20px;
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px;
}
.step::before {
  counter-increment: step; content: "0" counter(step);
  display: block; font-size: 13px; font-weight: 700; letter-spacing: .1em;
  color: #7fa6ff; margin-bottom: 10px;
}
.step h4 { font-size: 15.5px; color: #fff; }
.step p { margin-top: 6px; font-size: 13.5px; color: #9fadc2; }
.step .line {
  position: absolute; top: 50%; right: -16px; width: 16px; height: 1px;
  background: rgba(255,255,255,.18);
}
.step:last-child .line { display: none; }

/* ---------- 案例 ---------- */
.case-card {
  overflow: hidden; padding: 0; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .18s ease, box-shadow .22s ease, border-color .2s;
}
.case-card:hover { transform: translateY(-3px); border-color: #cfd9ea; box-shadow: 0 22px 40px -26px rgba(16,24,40,.3); }
.case-card .thumb { aspect-ratio: 16 / 10; overflow: hidden; background: #eef1f6; }
.case-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.case-card:hover .thumb img { transform: scale(1.04); }
.case-card .body { padding: 18px 20px 20px; }
.case-card .tag {
  display: inline-block; font-size: 12px; color: var(--brand);
  background: #eef3ff; border-radius: 6px; padding: 2px 8px; margin-bottom: 8px;
}
.case-card h3 { font-size: 16.5px; }
.case-card p { margin-top: 6px; font-size: 13.5px; color: var(--muted); }

/* ---------- 品牌 ---------- */
.brand-grid { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 14px; }
.brand {
  height: 78px; border-radius: 12px; background: #fff; border: 1px solid var(--line);
  display: grid; place-items: center; text-align: center;
  font-weight: 600; font-size: 14.5px; color: #2c3a52; letter-spacing: .02em;
  transition: border-color .2s, color .2s, transform .18s;
}
.brand small { display: block; font-size: 11px; font-weight: 500; color: #98a4b6; letter-spacing: .12em; margin-top: 2px; }
.brand:hover { border-color: #c3d3ff; color: var(--brand); transform: translateY(-2px); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; }
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 0 20px;
}
.faq details[open] { border-color: #c3d3ff; box-shadow: 0 18px 36px -28px rgba(22,82,240,.5); }
.faq summary {
  cursor: pointer; list-style: none; padding: 17px 26px 17px 0;
  font-weight: 600; font-size: 15.5px; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 20px; font-weight: 400; color: var(--brand); line-height: 1;
}
.faq details[open] summary::after { content: "–"; }
.faq .ans { padding: 0 0 18px; font-size: 14.5px; color: var(--muted); }

/* ---------- 联系 / CTA ---------- */
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: start; }
.info-list { display: grid; gap: 16px; margin-top: 24px; }
.info-row { display: flex; gap: 14px; align-items: flex-start; }
.info-row .ico {
  flex: 0 0 auto; width: 38px; height: 38px; border-radius: 10px;
  background: #eef3ff; color: var(--brand); display: grid; place-items: center;
}
.info-row .ico svg { width: 18px; height: 18px; }
.info-row dt { font-size: 12.5px; color: var(--muted); letter-spacing: .04em; }
.info-row dd { margin: 0; font-size: 16px; font-weight: 600; }
.info-row dd a:hover { color: var(--brand); }
.info-row dd small { display: block; font-size: 13px; font-weight: 400; color: var(--muted); margin-top: 2px; }

/* 门店介绍卡（banner + 简介） */
.shop-intro {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
}
.shop-intro img { display: block; width: 100%; height: auto; }
.shop-intro .prose { max-width: none; padding: 18px 20px 20px; }
.shop-intro .prose p { margin: 0; font-size: 14.5px; line-height: 1.95; color: #3c4a63; }

.cta-band {
  background: linear-gradient(120deg, #0b1c47, #1652f0 62%, #2b6bff);
  color: #fff; border-radius: 18px; padding: 40px; position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(255,255,255,.22), transparent 68%);
}
.cta-band h2 { font-size: clamp(22px, 2.6vw, 28px); }
.cta-band p { margin-top: 10px; color: #ccd9ff; max-width: 44em; font-size: 15px; }
.cta-band .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; position: relative; z-index: 1; }

.qr-card {
  display: flex; gap: 16px; align-items: center; padding: 18px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
}
.qr-card img { width: 104px; height: 110px; object-fit: contain; }
.qr-card > div { min-width: 0; }
.qr-card b { font-size: 15px; }
.qr-card p { font-size: 13px; color: var(--muted); margin-top: 4px; }
.qr-card p strong { color: var(--text); font-weight: 700; letter-spacing: .01em; }

/* ---------- 页头（内页） ---------- */
.page-head {
  position: relative; color: #fff; padding: 56px 0 48px;
  background:
    radial-gradient(700px 320px at 82% 0%, rgba(22,82,240,.4), transparent 62%),
    linear-gradient(160deg, #070d1a, #0b1734);
}
.page-head::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at 30% 0%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 30% 0%, #000, transparent 72%);
}
.page-head .wrap { position: relative; z-index: 1; }
.page-head h1 { font-size: clamp(26px, 3.4vw, 36px); }
.page-head p { margin-top: 12px; color: #b3c0d5; max-width: 46em; font-size: 15.5px; }
.crumb { display: flex; gap: 8px; font-size: 13px; color: #8b9ab0; margin-bottom: 14px; }
.crumb a:hover { color: #fff; }

/* ---------- 文章/正文 ---------- */
.prose { max-width: 800px; }
.prose h2 { font-size: 22px; margin: 32px 0 12px; }
.prose h3 { font-size: 18px; margin: 24px 0 10px; }
.prose p { margin: 12px 0; color: #33405a; }
.prose ul { margin: 12px 0; display: grid; gap: 8px; }
.prose li { position: relative; padding-left: 18px; color: #33405a; }
.prose li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); }

/* ---------- 底部品牌承诺（首页） ---------- */
.promise-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 40px; box-shadow: var(--shadow);
}
.promise-card h2 { font-size: 23px; line-height: 1.55; margin: 12px 0 18px; }
.promise-card .prose { max-width: 940px; }
.promise-card .prose p { font-size: 15.5px; line-height: 2; color: #3c4a63; margin: 0 0 14px; text-wrap: pretty; }
.promise-card .prose p:last-child { margin-bottom: 0; }

.article-list { display: grid; gap: 12px; }
.article-row {
  display: flex; align-items: center; gap: 18px; padding: 18px 22px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  transition: border-color .2s, transform .18s;
}
.article-row:hover { border-color: #c3d3ff; transform: translateX(3px); }
.article-row .date { flex: 0 0 84px; font-size: 12.5px; color: #98a4b6; font-variant-numeric: tabular-nums; }
.article-row h3 { font-size: 16px; flex: 1; }
.article-row .go { color: #b9c6dd; flex: 0 0 auto; }

/* ---------- 底部 ---------- */
.site-footer { background: var(--ink); color: #93a2b8; padding: 56px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 36px; padding-bottom: 40px; }
.site-footer h4 { color: #fff; font-size: 14px; letter-spacing: .06em; margin-bottom: 14px; }
.site-footer a:hover { color: #fff; }
.site-footer .f-brand .logo-text b { color: #fff; }
.site-footer .f-brand p { margin-top: 14px; max-width: 30em; line-height: 1.8; color: #8b9ab0; font-size: 13.5px; }
.f-links { display: grid; gap: 10px; font-size: 13.5px; }
.f-links.two { grid-template-columns: 1fr 1fr; gap: 10px 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0 26px;
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
  font-size: 12.5px; color: #7d8ca2;
}
.footer-bottom .keywords { max-width: 72em; line-height: 1.9; }

/* ---------- 悬浮工具 ---------- */
.float-tools {
  position: fixed; right: 22px; bottom: 28px; z-index: 70;
  display: grid; gap: 10px;
}
.float-tools a, .float-tools button {
  width: 52px; height: 52px; border-radius: 14px; border: 0; cursor: pointer;
  display: grid; place-items: center; color: #fff;
  box-shadow: 0 14px 30px -12px rgba(10, 20, 45, .5);
  transition: transform .16s ease;
  position: relative;
}
.float-tools a:hover, .float-tools button:hover { transform: translateY(-2px); }
.float-tools svg { width: 22px; height: 22px; }
.f-call { background: var(--accent); }
.f-wx { background: #16b364; }
.f-top { background: #1d2939; }
.float-tools .tip {
  position: absolute; right: 62px; top: 50%; transform: translateY(-50%);
  background: #101828; color: #fff; font-size: 12.5px; padding: 6px 10px;
  border-radius: 7px; white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity .16s ease;
}
.float-tools a:hover .tip, .float-tools button:hover .tip { opacity: 1; }

.wx-pop {
  position: fixed; right: 88px; bottom: 96px; z-index: 80;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow-lg); padding: 14px; text-align: center;
  display: none;
}
.wx-pop.show { display: block; }
.wx-pop img { width: 148px; height: 156px; object-fit: contain; }
.wx-pop p { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.wx-pop .wx-id { font-size: 13px; color: var(--text); margin-top: 4px; white-space: nowrap; }
.wx-pop .wx-id strong { font-weight: 700; letter-spacing: .02em; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .nav a { padding: 8px 10px; font-size: 14.5px; }
  .logo-text b { font-size: 15.5px; }
  .header-cta .btn-primary { padding: 0 14px; }
}

/* 中等宽度：导航收进汉堡菜单，内容仍保持桌面版式 */
@media (max-width: 1080px) {
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 70px;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px;
    box-shadow: 0 24px 40px -30px rgba(16, 24, 40, .5);
  }
  .nav.open {
    display: flex; z-index: 120;
    max-height: calc(100vh - 70px); overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav a { padding: 12px 14px; border-radius: 8px; font-size: 15.5px; }
  .nav a.is-active::after { display: none; }
  .nav-toggle { display: flex; }
  .header-cta .btn-ghost { display: none; }
}

@media (max-width: 1080px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 34px; }
  .hero-media { max-width: 460px; }
  .hero-media .shot { aspect-ratio: 4 / 3; }
  .g-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .brand-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .steps { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .step .line { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 860px) {
  .topbar { display: none; }
  .site-header .wrap { height: 62px; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 62px;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px;
    box-shadow: 0 24px 40px -30px rgba(16,24,40,.5);
  }
  .nav.open {
    display: flex; z-index: 120;
    max-height: calc(100vh - 62px); overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav a { padding: 12px 14px; border-radius: 8px; font-size: 15.5px; }
  .nav a.is-active::after { display: none; }
  .nav-toggle { display: flex; }
  .header-cta { flex: 0 0 auto; }
  .header-cta .btn-ghost { display: none; }
  .header-cta .btn-primary { height: 40px; width: 40px; padding: 0; border-radius: 10px; }
  .header-cta .cta-tel-txt { display: none; }
  .logo { min-width: 0; }
  .logo-text { min-width: 0; overflow: hidden; }
  .logo-text b { font-size: 15px; }
  .logo-text small { font-size: 9.5px; letter-spacing: .08em; }
  .g-3, .g-2 { grid-template-columns: 1fr; }
  .brand-cats { grid-template-columns: 1fr; gap: 12px; }
  .brand-cat { padding: 16px 18px 18px; }
  .section { padding: 52px 0; }
  .hero .wrap { padding-top: 40px; padding-bottom: 52px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 16px 12px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .brand-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .float-tools { display: none; }
  /* 页脚：手机上不再一条条往下排，品牌占通栏，链接分两列，联系方式通栏排 */
  .site-footer { padding-top: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px 16px; padding-bottom: 26px; }  .f-brand, .f-contact { grid-column: 1 / -1; }
  .site-footer .f-brand p { margin-top: 10px; font-size: 12.5px; line-height: 1.8; }
  .site-footer .f-brand p + p { margin-top: 8px; }
  .site-footer h4 {
    font-size: 13px; margin-bottom: 10px;
    display: flex; align-items: center; gap: 7px;
  }
  .site-footer h4::before {
    content: ""; width: 3px; height: 12px; border-radius: 2px;
    background: var(--accent); flex: 0 0 auto;
  }
  .f-links { gap: 9px; font-size: 13px; }
  .f-contact { padding-top: 20px; border-top: 1px solid rgba(255,255,255,.09); }
  .f-contact .f-links { grid-template-columns: 1fr 1fr; gap: 9px 14px; align-items: start; }
  .f-contact .f-links > * { min-width: 0; }
  .f-contact .f-tel, .f-contact .f-addr, .f-contact .f-hours { grid-column: 1 / -1; }
  .f-contact .f-tel { font-size: 15px; font-weight: 700; color: #fff; letter-spacing: .01em; }
  .footer-bottom { font-size: 12px; padding: 18px 0 22px; line-height: 1.85; }
  .footer-bottom .keywords { line-height: 1.85; }
}

@media (max-width: 560px) {
  .g-4 { grid-template-columns: 1fr; }
  .brand-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .steps { grid-template-columns: 1fr; }
  .hero-float { display: none; }
  .cta-band { padding: 26px 20px; border-radius: 14px; }
  .article-row { align-items: flex-start; flex-direction: column; gap: 6px; }
  .article-row .date { flex: none; }
  .section { padding: 44px 0; }
  .logo-text b { font-size: 14px; }
  .logo-text small { display: none; }
  .hero h1 { font-size: 27px; }
  .eyebrow { font-size: 12px; letter-spacing: 0; padding: 5px 10px; gap: 6px; }
  .hero .lead { font-size: 15px; }
  /* 业务范围：手机上标签独占一行，四个胶囊尽量排成一行 */
  .scope { gap: 7px; }
  .scope b { flex: 0 0 100%; margin: 0 0 1px; }
  .scope span { flex: 1 1 auto; text-align: center; padding: 5px 10px; }
  .br-m { display: inline; }
  .br-kw { display: inline; }
  .promise-card { padding: 24px 20px; }
  .promise-card h2 { font-size: 19px; line-height: 1.6; }
  .promise-card .prose p { font-size: 14.5px; line-height: 1.95; }
  /* 品牌标签：手机端收一点内边距，五个标签多数能挤在一行 */
  .brand-cat .chips { gap: 7px; margin-top: 12px; }
  .brand-cat .chips span { height: 29px; padding: 0 12px; font-size: 13px; }
}

/* 极窄屏（320px 一类老机型）：收紧头部间距与按钮内边距，避免横向溢出 */
@media (max-width: 360px) {
  /* 极窄屏：QQ / 邮箱并排会把邮箱挤成两行，这里改成一行一项 */
  .f-contact .f-links { grid-template-columns: 1fr; }
  .site-header .wrap { gap: 12px; }
  .header-cta .btn { padding: 0 10px; font-size: 13.5px; }
  .nav-toggle { width: 38px; height: 38px; }
  .scope { gap: 6px; }
  .scope span { font-size: 12px; padding: 4px 7px; }
  .br-s { display: inline; }
  .sec-head p.safe-lead { font-size: 14.5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* 打印 */
@media print {
  .site-header, .topbar, .float-tools, .cta-band { display: none; }
  body { background: #fff; }
}

/* ---------- 文章列表（案例与文章） ---------- */
.cat-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.cat-tab {
  padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; color: #4a5872; font-size: 14px; font-family: inherit;
  cursor: pointer; transition: .18s; line-height: 1.5;
}
.cat-tab:hover { border-color: #c3d0e4; color: var(--brand); }
.cat-tab.is-on { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }

.post-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.post-card {
  display: flex; flex-direction: column; background: var(--card);
  border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  box-shadow: 0 1px 2px rgba(16, 24, 40, .04); transition: transform .2s, box-shadow .2s;
}
.post-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.post-thumb {
  aspect-ratio: 16 / 9; overflow: hidden;
  background: linear-gradient(135deg, #eef2f9, #dde6f4);
}
.post-thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-thumb.empty { display: flex; align-items: center; justify-content: center; }
.post-thumb.empty span { font-size: 13px; color: #8fa0ba; letter-spacing: .08em; }
.post-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1 1 auto; }
.post-cat { font-size: 12px; font-weight: 700; color: var(--brand); letter-spacing: .06em; }
.post-title { margin: 8px 0; font-size: 17px; line-height: 1.5; font-weight: 700; }
.post-card:hover .post-title { color: var(--brand); }
.post-excerpt {
  font-size: 13.8px; color: var(--muted); line-height: 1.75;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.post-meta {
  margin-top: auto; padding-top: 14px; display: flex; justify-content: space-between;
  gap: 10px; font-size: 12.5px; color: #98a4b6;
}
.post-empty {
  padding: 46px 28px; text-align: center; color: #7d8899; font-size: 15px; line-height: 1.9;
  background: #f7f9fc; border: 1px dashed #d3dcea; border-radius: 16px;
}
.post-empty a { color: var(--brand); font-weight: 700; }

.pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 38px; height: 38px; padding: 0 12px; display: inline-flex;
  align-items: center; justify-content: center; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; font-size: 14px; color: #4a5872;
}
.pager .is-cur { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.pager .is-off { color: #c2cad6; }

/* ---------- 文章详情 ---------- */
.article-wrap { padding: 44px 0 68px; }
.article-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 44px 52px 52px; box-shadow: 0 1px 2px rgba(16, 24, 40, .04);
}
.article-body { max-width: 760px; margin: 0 auto; font-size: 16.5px; line-height: 1.95; color: #243044; }
.article-body > *:first-child { margin-top: 0; }
.article-body h2 {
  margin: 36px 0 12px; font-size: 21px; padding-left: 12px;
  border-left: 3px solid var(--brand); line-height: 1.5;
}
.article-body h3 { margin: 26px 0 8px; font-size: 17.5px; }
.article-body p { margin: 12px 0; }
.article-body ul { margin: 12px 0; }
.article-body ul li { position: relative; padding-left: 18px; margin: 7px 0; }
.article-body ul li::before {
  content: ""; position: absolute; left: 2px; top: .82em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--brand);
}
.article-body ol { margin: 12px 0; padding-left: 24px; list-style: decimal; }
.article-body ol li { margin: 7px 0; padding-left: 4px; }
.article-body ol li::marker { color: var(--brand); font-weight: 700; }
.article-body strong { font-weight: 700; color: #101b2d; }
.article-body img { display: block; max-width: 100%; height: auto; border-radius: 12px; margin: 20px auto; }
.article-body div[style*="text-align: center"] img, .article-body div[style*="text-align:center"] img { margin-left: auto; margin-right: auto; }
.article-body figure { margin: 22px 0; }
.article-body figure img { margin: 0; }
.article-body figcaption { margin-top: 8px; font-size: 13px; color: #8a95a6; text-align: center; }
.article-body table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 18px 0; }
.article-body th, .article-body td { padding: 11px 14px; border: 1px solid var(--line-2); text-align: left; }
.article-body thead th { background: #f4f7fc; color: #465268; font-weight: 600; }
.article-body blockquote {
  margin: 18px 0; padding: 14px 18px; background: #f7f9fc; border-radius: 10px;
  border-left: 3px solid #c9d6ea; color: #4a5872; font-size: 15.5px;
}
.note-box {
  margin: 20px 0; padding: 14px 18px; border-radius: 10px; font-size: 15px;
  background: #f2f6ff; border: 1px solid #dbe6ff; border-left: 3px solid var(--brand); color: #2c3b53;
}
.note-box b { color: var(--brand-dark); }

.article-tags { max-width: 760px; margin: 30px auto 0; display: flex; gap: 8px; flex-wrap: wrap; }
.article-tags span {
  font-size: 12.5px; color: #5f6b7d; background: #f2f5fa; border-radius: 999px; padding: 5px 12px;
}
.article-nav {
  max-width: 760px; margin: 26px auto 0; padding-top: 22px; border-top: 1px solid var(--line-2);
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; font-size: 14px;
}
.article-nav a { color: #3b4a63; }
.article-nav a:hover { color: var(--brand); }
.article-nav .n-next { text-align: right; }
.article-nav small { display: block; color: #98a4b6; font-size: 12px; margin-bottom: 2px; }

@media (max-width: 860px) {
  .article-card { padding: 30px 24px 34px; border-radius: 16px; }
  .article-body { font-size: 16px; line-height: 1.9; }
}
@media (max-width: 700px) {
  .post-grid { grid-template-columns: 1fr; gap: 16px; }
  .article-wrap { padding: 28px 0 46px; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav .n-next { text-align: left; }
  .cat-tabs { gap: 8px; margin-bottom: 20px; }
  .cat-tab { padding: 7px 13px; font-size: 13.5px; }
}