/* ============================================================
   麦云网络 · 服务器租用平台
   Design System — Stoplight.io 风格复刻
   深海军蓝 Hero / #149CF4 主蓝 / Inter 字体 / 有机曲线背景
   ============================================================ */

:root {
  /* 色板（取自 Stoplight 官网） */
  --navy: #0E0B2A;          /* 深海军蓝：hero / footer / 深色区 */
  --navy-2: #171243;        /* 深色区卡片 */
  --navy-3: #1F1A55;        /* 深色区悬浮 */
  --indigo: #6574CD;        /* 靛蓝点缀 */
  --blue: #149CF4;          /* 主蓝 CTA */
  --blue-dark: #0D82CF;
  --blue-soft: rgba(20, 156, 244, .12);
  --green: #58D06D;
  --green-soft: rgba(88, 208, 109, .14);
  --purple: #B794F4;
  --purple-soft: rgba(183, 148, 244, .16);
  --orange: #FFA02B;
  --orange-soft: rgba(255, 160, 43, .15);
  --teal: #49C1BF;
  --teal-soft: rgba(73, 193, 191, .14);
  --red: #F54C40;
  --ink: #14122B;           /* 白底标题 */
  --body: #758696;          /* 白底正文 */
  --muted: #9B99AC;         /* 弱化文字 */
  --navy-body: #A8A5C8;     /* 深底正文 */
  --border: #E3E6EC;
  --bg-soft: #F5F6F8;

  --font: 'Inter', -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --mono: ui-monospace, 'Cascadia Code', 'SF Mono', Consolas, 'Courier New', monospace;

  --radius: 8px;
  --radius-sm: 5px;
  --shadow-1: 0 1px 2px rgba(14, 11, 42, .05), 0 4px 16px rgba(14, 11, 42, .06);
  --shadow-2: 0 8px 32px rgba(14, 11, 42, .12);
  --shadow-blue: 0 8px 24px rgba(20, 156, 244, .35);
  --wrap: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------------- 顶部导航 ---------------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .25s, box-shadow .25s;
  background: transparent;
}
.nav.scrolled { background: rgba(14, 11, 42, .92); backdrop-filter: blur(12px); box-shadow: 0 1px 0 rgba(255,255,255,.08); }
.nav-inner {
  max-width: var(--wrap); margin: 0 auto; padding: 0 24px;
  height: 72px; display: flex; align-items: center; gap: 40px;
}
.logo { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 19px; letter-spacing: -.01em; }
.logo .logo-mark {
  width: 34px; height: 34px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--blue), #0B6BC2);
  display: grid; place-items: center; box-shadow: var(--shadow-blue);
}
.logo .logo-mark svg { width: 20px; height: 20px; }
.logo small { display: block; font-size: 10px; font-weight: 500; color: var(--navy-body); letter-spacing: .18em; margin-top: -3px; }
.nav-links { display: flex; align-items: center; gap: 6px; flex: 1; }
.nav-links a {
  color: #fff; font-size: 14.5px; font-weight: 500; padding: 8px 14px;
  border-radius: var(--radius-sm); transition: background .2s, color .2s;
}
.nav-links a:hover, .nav-links a.active { background: rgba(255, 255, 255, .1); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-actions .login { color: #fff; font-size: 14.5px; font-weight: 500; opacity: .9; }
.nav-actions .login:hover { opacity: 1; }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; position: relative; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ''; position: absolute; left: 9px; right: 9px; height: 2px; background: #fff; border-radius: 2px;
}
.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -7px; left: 0; right: 0; }
.nav-toggle span::after { top: 7px; left: 0; right: 0; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 15px; font-weight: 600; line-height: 1;
  padding: 15px 26px; border-radius: var(--radius-sm); border: 1px solid transparent;
  transition: all .2s; white-space: nowrap;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: var(--shadow-blue); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .45); }
.btn-ghost-light:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: #241E56; transform: translateY(-1px); }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--border); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 10px 18px; font-size: 13.5px; }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }

/* 文字链接箭头 */
.tlink {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--blue); font-weight: 600; font-size: 15px;
}
.tlink .arrow { transition: transform .2s; }
.tlink:hover .arrow { transform: translateX(4px); }

/* ---------------- 排版 ---------------- */
.eyebrow {
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px;
}
.eyebrow::before { content: ''; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }
h1, h2, h3, h4 { letter-spacing: -.02em; line-height: 1.18; font-weight: 700; }
.h1 { font-size: clamp(36px, 5vw, 56px); }
.h2 { font-size: clamp(28px, 3.6vw, 40px); }
.h3 { font-size: 21px; }
.lead { font-size: 18px; color: var(--body); max-width: 640px; }

.section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--navy); color: #fff; }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head p { margin-top: 16px; color: var(--body); font-size: 17px; }
.section-dark .section-head p { color: var(--navy-body); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative; background: var(--navy); color: #fff;
  padding: 176px 0 120px; overflow: hidden;
}
.hero-blob { position: absolute; right: -180px; top: -140px; width: 980px; height: 980px; pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero .eyebrow { color: var(--blue); }
.hero p.lead { color: var(--navy-body); font-size: 18.5px; margin: 22px 0 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 26px; font-size: 13.5px; color: var(--muted); display: flex; gap: 20px; flex-wrap: wrap; }
.hero-note span { display: inline-flex; align-items: center; gap: 7px; }
.hero-note svg { width: 15px; height: 15px; color: var(--green); }

/* 子页 hero */
.page-hero {
  position: relative; background: var(--navy); color: #fff;
  padding: 168px 0 84px; overflow: hidden;
}
.page-hero .eyebrow { color: var(--blue); }
.page-hero p { color: var(--navy-body); font-size: 17.5px; margin-top: 18px; max-width: 660px; }
.page-hero .hero-blob { opacity: .55; }

/* ---------------- 控制台模拟窗（Stoplight 产品窗风格） ---------------- */
.console {
  background: var(--navy-2); border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 12px; box-shadow: 0 24px 64px rgba(0, 0, 0, .45);
  overflow: hidden; font-size: 12.5px;
}
.console-bar {
  display: flex; align-items: center; gap: 7px; padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, .08); background: rgba(255, 255, 255, .03);
}
.console-bar i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.console-bar i:nth-child(1) { background: var(--red); }
.console-bar i:nth-child(2) { background: var(--orange); }
.console-bar i:nth-child(3) { background: var(--green); }
.console-bar em { font-style: normal; font-family: var(--mono); color: var(--muted); margin-left: 10px; font-size: 11.5px; }
.console-body { padding: 18px 18px 20px; }
.console-tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.console-tabs span {
  font-family: var(--mono); font-size: 11px; padding: 5px 11px; border-radius: 4px;
  color: var(--navy-body); background: rgba(255, 255, 255, .05);
}
.console-tabs span.on { color: #fff; background: var(--blue); }
.inst {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, .07); border-radius: 6px; margin-bottom: 8px;
  background: rgba(255, 255, 255, .02);
}
.inst b { font-weight: 600; color: #EDEBFF; font-size: 12.5px; }
.inst small { color: var(--muted); font-family: var(--mono); font-size: 10.5px; display: block; }
.inst .tag { margin-left: auto; font-family: var(--mono); font-size: 10.5px; color: var(--navy-body); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); flex: none; }
.dot.blue { background: var(--blue); box-shadow: 0 0 8px var(--blue); }
.dot.orange { background: var(--orange); box-shadow: 0 0 8px var(--orange); }
.console-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.metric {
  border: 1px solid rgba(255, 255, 255, .07); border-radius: 6px; padding: 10px 12px;
  background: rgba(255, 255, 255, .02);
}
.metric b { display: block; color: #fff; font-size: 15px; font-family: var(--mono); }
.metric small { color: var(--muted); font-size: 10.5px; }

/* hero 悬浮徽章 */
.float-badge {
  position: absolute; background: #fff; color: var(--ink);
  border-radius: 10px; box-shadow: var(--shadow-2);
  padding: 12px 16px; font-size: 12.5px; font-weight: 600;
  display: flex; align-items: center; gap: 10px;
  animation: floaty 5s ease-in-out infinite;
}
.float-badge svg { width: 18px; height: 18px; }
.float-badge small { display: block; font-weight: 500; color: var(--body); font-size: 11px; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ---------------- 数据统计条 ---------------- */
.stats { background: var(--navy); padding: 0 0 84px; }
.stats-grid {
  position: relative;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 44px;
}
.stat b { font-size: 40px; font-weight: 700; letter-spacing: -.03em; color: #fff; display: block; font-variant-numeric: tabular-nums; }
.stat b i { font-style: normal; color: var(--blue); }
.stat span { color: var(--navy-body); font-size: 14px; }

/* ---------------- 产品类目大卡 ---------------- */
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cat-card {
  position: relative; background: #fff; border: 1px solid var(--border);
  border-radius: 12px; padding: 34px 32px 30px; overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: transparent; }
.cat-icon {
  width: 52px; height: 52px; border-radius: 10px; display: grid; place-items: center; margin-bottom: 20px;
}
.cat-icon svg { width: 26px; height: 26px; }
.tone-blue .cat-icon { background: var(--blue-soft); color: var(--blue); }
.tone-orange .cat-icon { background: var(--orange-soft); color: var(--orange); }
.tone-teal .cat-icon { background: var(--teal-soft); color: var(--teal); }
.tone-purple .cat-icon { background: var(--purple-soft); color: var(--purple); }
.cat-card h3 { font-size: 22px; margin-bottom: 10px; }
.cat-card > p { color: var(--body); font-size: 15px; margin-bottom: 20px; }
.cat-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.cat-chips span {
  font-size: 12.5px; font-weight: 500; color: var(--body);
  border: 1px solid var(--border); border-radius: 50px; padding: 5px 13px;
}
.cat-card .tlink { font-size: 14.5px; }
.cat-corner {
  position: absolute; right: -46px; top: -46px; width: 150px; height: 150px;
  border-radius: 50%; opacity: .07; pointer-events: none;
}
.tone-blue .cat-corner { background: var(--blue); }
.tone-orange .cat-corner { background: var(--orange); }
.tone-teal .cat-corner { background: var(--teal); }
.tone-purple .cat-corner { background: var(--purple); }

/* ---------------- 特惠（双卡） ---------------- */
.deal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.deal-card {
  position: relative; border-radius: 14px; padding: 38px 36px; color: #fff; overflow: hidden;
}
.deal-a { background: linear-gradient(120deg, #0B6BC2, var(--blue) 62%, #3FB6FF); }
.deal-b { background: linear-gradient(120deg, #241E56, #3A2E86 60%, #6574CD); }
.deal-card .kicker {
  display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: .12em;
  background: rgba(255, 255, 255, .16); padding: 5px 12px; border-radius: 50px; margin-bottom: 18px;
}
.deal-card h3 { font-size: 26px; margin-bottom: 10px; }
.deal-card p { color: rgba(255, 255, 255, .82); font-size: 14.5px; max-width: 400px; }
.deal-price { display: flex; align-items: baseline; gap: 6px; margin: 24px 0 26px; }
.deal-price b { font-size: 46px; font-weight: 700; letter-spacing: -.03em; }
.deal-price b sub { font-size: 17px; font-weight: 600; vertical-align: baseline; margin-right: 2px; }
.deal-price span { color: rgba(255, 255, 255, .75); font-size: 14px; }
.deal-card .btn { background: #fff; color: var(--navy); }
.deal-card .btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(0, 0, 0, .25); }
.deal-card .orig { text-decoration: line-through; opacity: .6; font-size: 15px; margin-left: 8px; }

/* ---------------- 特性（三列，描边插画风） ---------------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 48px; }
.feat { text-align: left; }
.feat-icon { height: 92px; display: flex; align-items: flex-end; margin-bottom: 22px; }
.feat-icon svg { width: 84px; height: 84px; }
.feat h3 { font-size: 19px; margin-bottom: 10px; }
.feat p { color: var(--body); font-size: 15px; margin-bottom: 18px; }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600; padding: 8px 16px; border-radius: 50px;
  transition: transform .2s, box-shadow .2s;
}
.pill:hover { transform: translateY(-1px); }
.pill-blue { background: var(--blue-soft); color: var(--blue); }
.pill-orange { background: var(--orange-soft); color: var(--orange); }
.pill-purple { background: var(--purple-soft); color: #8B5CD6; }
.pill-teal { background: var(--teal-soft); color: var(--teal); }
.pill-green { background: var(--green-soft); color: #2FA84A; }

/* ---------------- 左图右文 大分栏（工作流区块） ---------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split.rev .split-media { order: 2; }
.split-media { position: relative; }
.split-copy .eyebrow { color: var(--blue); }
.split-copy h2 { margin-bottom: 18px; }
.split-copy p { color: var(--body); font-size: 16.5px; margin-bottom: 18px; }
.split-copy ul { margin: 6px 0 30px; display: grid; gap: 12px; }
.split-copy ul li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink); font-size: 15.5px; font-weight: 500; }
.split-copy ul li svg { width: 20px; height: 20px; color: var(--green); flex: none; margin-top: 2px; }
.split-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* 插画：机房窗口拼贴 */
.collage { position: relative; height: 420px; }
.collage .win {
  position: absolute; background: #fff; border: 1px solid var(--border);
  border-radius: 10px; box-shadow: var(--shadow-2); overflow: hidden;
}
.collage .win-bar { height: 30px; background: var(--bg-soft); border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 6px; padding: 0 12px; }
.collage .win-bar i { width: 8px; height: 8px; border-radius: 50%; }
.collage .win-bar i:nth-child(1) { background: var(--red); }
.collage .win-bar i:nth-child(2) { background: var(--orange); }
.collage .win-bar i:nth-child(3) { background: var(--green); }
.rack-win { width: 58%; left: 0; top: 24px; padding-bottom: 18px; }
.rack-unit { display: flex; align-items: center; gap: 10px; margin: 12px 12px 0; border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; }
.rack-unit .leds { display: flex; gap: 4px; }
.rack-unit .leds i { width: 5px; height: 5px; border-radius: 50%; background: var(--green); }
.rack-unit .leds i:nth-child(2) { background: var(--blue); }
.rack-unit b { font-size: 11.5px; font-weight: 600; }
.rack-unit small { display: block; color: var(--muted); font-size: 10px; font-family: var(--mono); }
.rack-unit .tag { margin-left: auto; font-size: 10px; font-weight: 600; padding: 3px 8px; border-radius: 4px; }
.rack-unit .tag.g { background: var(--green-soft); color: #2FA84A; }
.rack-unit .tag.b { background: var(--blue-soft); color: var(--blue); }
.chart-win { width: 52%; right: 0; bottom: 12px; padding-bottom: 14px; }
.chart-win svg { width: 100%; height: auto; }
.delay-chip {
  position: absolute; left: 44%; top: 4px; background: var(--navy); color: #fff;
  border-radius: 10px; padding: 11px 16px; font-family: var(--mono); font-size: 12px;
  display: flex; align-items: center; gap: 9px; box-shadow: var(--shadow-2); z-index: 2;
  animation: floaty 6s ease-in-out infinite;
}
.delay-chip .dot { width: 8px; height: 8px; }

/* ---------------- 区域/可用区 ---------------- */
.region-wrap { display: grid; grid-template-columns: 300px 1fr; gap: 56px; align-items: center; }
.region-nums { display: grid; gap: 36px; }
.region-nums .rn b { font-size: 56px; font-weight: 700; letter-spacing: -.03em; display: block; line-height: 1; }
.region-nums .rn b i { font-style: normal; color: var(--blue); }
.region-nums .rn span { color: var(--body); font-size: 15px; }
.region-cloud {
  position: relative; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; padding: 30px 0;
}
.chip {
  font-size: 13px; font-weight: 500; padding: 9px 18px; border-radius: 50px;
  border: 1px solid var(--border); color: var(--body); background: #fff;
  transition: all .2s; cursor: default;
}
.chip:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); box-shadow: var(--shadow-1); }
.chip.hot { background: var(--navy); border-color: var(--navy); color: #fff; }
.chip.hot:hover { border-color: var(--blue); background: var(--blue); }
.chip .n { font-family: var(--mono); font-size: 11px; margin-left: 5px; opacity: .65; }

/* ---------------- 解决方案 ---------------- */
.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.sol-card {
  border: 1px solid var(--border); border-radius: 12px; padding: 28px 24px;
  transition: transform .25s, box-shadow .25s, border-color .25s; background: #fff;
}
.sol-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: transparent; }
.sol-card svg { width: 34px; height: 34px; margin-bottom: 16px; }
.sol-card h4 { font-size: 16.5px; margin-bottom: 7px; }
.sol-card p { color: var(--body); font-size: 13.5px; line-height: 1.55; }
.c-blue { color: var(--blue); } .c-green { color: var(--green); } .c-purple { color: var(--purple); }
.c-orange { color: var(--orange); } .c-teal { color: var(--teal); } .c-red { color: var(--red); }
.c-indigo { color: var(--indigo); }

/* ---------------- 资讯卡 ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: #fff;
  transition: transform .25s, box-shadow .25s; display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.news-cover { height: 150px; position: relative; display: grid; place-items: center; }
.news-cover svg { width: 64px; height: 64px; opacity: .9; }
.news-cover .kicker {
  position: absolute; top: 14px; left: 14px; font-size: 11px; font-weight: 600;
  background: rgba(255, 255, 255, .92); color: var(--ink); padding: 4px 11px; border-radius: 50px;
}
.news-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.news-body h4 { font-size: 16.5px; line-height: 1.45; margin-bottom: 10px; }
.news-body p { color: var(--body); font-size: 13.5px; flex: 1; }
.news-body time { color: var(--muted); font-size: 12.5px; font-family: var(--mono); margin-top: 16px; display: block; }

/* ---------------- 深色 CTA / 支持横幅 ---------------- */
.cta-band { background: var(--navy); color: #fff; padding: 88px 0; position: relative; overflow: hidden; }
.cta-grid { position: relative; display: grid; grid-template-columns: 1fr 420px; gap: 64px; align-items: center; }
.cta-grid h2 { margin-bottom: 16px; }
.cta-grid > div > p { color: var(--navy-body); font-size: 16.5px; max-width: 520px; margin-bottom: 30px; }
.contact-card {
  background: linear-gradient(140deg, #2A2560, var(--indigo) 130%);
  border: 1px solid rgba(255, 255, 255, .14); border-radius: 14px; padding: 30px;
}
.contact-card h4 { font-size: 17px; margin-bottom: 20px; }
.contact-row { display: flex; align-items: center; gap: 14px; padding: 11px 0; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.contact-row:last-child { border-bottom: 0; padding-bottom: 0; }
.contact-row svg { width: 20px; height: 20px; color: #fff; opacity: .9; flex: none; }
.contact-row b { font-size: 14.5px; display: block; }
.contact-row small { color: rgba(255, 255, 255, .72); font-size: 12.5px; }

/* ---------------- 产品页：tabs + 价格卡 ---------------- */
.tabs {
  position: sticky; top: 72px; z-index: 40;
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  padding: 14px 0; margin: -58px 0 48px;
}
.tabs button {
  background: #fff; border: 1px solid var(--border); border-radius: 50px;
  font-size: 14px; font-weight: 600; color: var(--body); padding: 11px 26px;
  transition: all .2s; display: inline-flex; align-items: center; gap: 8px;
}
.tabs button svg { width: 16px; height: 16px; }
.tabs button:hover { color: var(--blue); border-color: var(--blue); }
.tabs button.on { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: var(--shadow-blue); }
.tab-panel { display: none; }
.tab-panel.on { display: block; animation: fadeUp .35s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.panel-head { text-align: center; margin-bottom: 36px; }
.panel-head .eyebrow { justify-content: center; }
.panel-head p { color: var(--body); margin-top: 10px; font-size: 15.5px; }

.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.prod-card {
  border: 1px solid var(--border); border-radius: 12px; padding: 28px 26px 26px;
  background: #fff; display: flex; flex-direction: column; position: relative;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: transparent; }
.prod-card .hot-tag {
  position: absolute; top: 18px; right: 18px; font-size: 11px; font-weight: 700;
  color: var(--red); background: rgba(245, 76, 64, .1); padding: 4px 10px; border-radius: 50px;
}
.prod-card h4 { font-size: 18px; margin-bottom: 8px; }
.prod-card .desc { color: var(--body); font-size: 13.5px; margin-bottom: 18px; min-height: 42px; }
.spec-list { display: grid; gap: 9px; margin-bottom: 22px; }
.spec-list li { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--ink); }
.spec-list li svg { width: 15px; height: 15px; color: var(--green); flex: none; }
.prod-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px dashed var(--border); padding-top: 18px; }
.prod-foot .price b { font-size: 24px; font-weight: 700; letter-spacing: -.02em; color: var(--ink); }
.prod-foot .price b sub { font-size: 13px; font-weight: 600; vertical-align: baseline; margin-right: 1px; }
.prod-foot .price span { font-size: 12.5px; color: var(--muted); display: block; }
.prod-foot .btn { padding: 11px 20px; font-size: 13.5px; }

/* ---------------- 关于页 ---------------- */
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.value-card { border: 1px solid var(--border); border-radius: 12px; padding: 30px; background: #fff; }
.value-card .cat-icon { margin-bottom: 16px; width: 46px; height: 46px; }
.value-card .cat-icon svg { width: 22px; height: 22px; }
.value-card h4 { font-size: 17.5px; margin-bottom: 8px; }
.value-card p { color: var(--body); font-size: 14.5px; }

.timeline { display: grid; gap: 0; margin-top: 12px; }
.tl-item { display: grid; grid-template-columns: 120px 1fr; gap: 28px; padding: 22px 0; border-bottom: 1px solid var(--border); }
.tl-item:last-child { border-bottom: 0; }
.tl-item time { font-family: var(--mono); color: var(--blue); font-weight: 600; font-size: 14px; padding-top: 2px; }
.tl-item h4 { font-size: 16.5px; margin-bottom: 5px; }
.tl-item p { color: var(--body); font-size: 14px; }

/* ---------------- FAQ ---------------- */
.faq { max-width: 780px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px; background: #fff; overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 19px 24px; font-weight: 600; font-size: 15.5px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 20px; color: var(--blue); font-weight: 500; transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 24px 20px; color: var(--body); font-size: 14.5px; }

/* ---------------- Footer ---------------- */
.footer { background: var(--navy); color: var(--navy-body); padding: 72px 0 0; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 3fr; gap: 48px; padding-bottom: 44px; }
.footer-nav { display: grid; grid-template-columns: repeat(5, 1fr); gap: 28px; }
.footer-brand .footer-tel {
  display: inline-block; margin: 18px 0 2px; font-size: 24px; font-weight: 700;
  letter-spacing: -.02em; color: #fff; transition: color .2s;
}
.footer-brand .footer-tel:hover { color: var(--blue); }
.footer-brand .footer-tel-note { display: block; font-size: 12px; color: var(--muted); }
.footer-brand .footer-mail {
  display: inline-block; margin-top: 12px; font-size: 13px; color: var(--navy-body);
  border-bottom: 1px dashed rgba(255,255,255,.28); padding-bottom: 2px; transition: color .2s, border-color .2s;
}
.footer-brand .footer-mail:hover { color: #fff; border-color: #fff; }
.footer li a.on { color: #fff; font-weight: 600; }
.footer-badges {
  display: flex; flex-wrap: wrap; gap: 10px; padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, .09);
}
.footer-badges span {
  font-size: 11.5px; color: #C9C6E4; background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .1); padding: 5px 11px; border-radius: 50px;
}
.footer-bottom-links { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.footer-bottom-links i { font-style: normal; color: rgba(255, 255, 255, .18); }
.footer-bottom-links a { transition: color .2s; }
.footer-bottom-links a:hover { color: #fff; }
.footer .logo { margin-bottom: 18px; }
.footer .about { font-size: 13.5px; line-height: 1.7; max-width: 280px; }
.footer h5 { color: #fff; font-size: 13.5px; font-weight: 600; letter-spacing: .04em; margin-bottom: 18px; }
.footer li { margin-bottom: 11px; }
.footer li a { color: var(--navy-body); font-size: 13.5px; transition: color .2s; }
.footer li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .09); padding: 22px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--muted);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: #fff; }

/* ---------------- 入场动画 ---------------- */
/* 渐进增强：默认可见；仅当 <html class="js"> 存在（说明脚本已运行）才启用入场动画，
   避免 JS 加载失败或被拦截时内容永久不可见。 */
.reveal { opacity: 1; transform: none; }
html.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
html.js .reveal.vis { opacity: 1; transform: none; }

/* ============================================================
   v2 UI 优化（备份 maiyun-site.bak-20260909 后追加）
   ============================================================ */

/* 顶部滚动进度条 */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 200;
  background: linear-gradient(90deg, var(--blue), #3FB6FF 55%, var(--teal));
  box-shadow: 0 0 10px rgba(20, 156, 244, .6);
}

/* 固定导航下的锚点定位补偿 */
[id] { scroll-margin-top: 96px; }

/* 键盘可访问性 */
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 300;
  background: var(--blue); color: #fff; padding: 12px 20px; border-radius: 0 0 8px 0; font-size: 14px;
}
.skip-link:focus { left: 0; }

/* 卡片顶部彩色渐变条（hover 展开） */
.cat-card::before, .prod-card::before, .sol-card::before, .value-card::before {
  content: ''; position: absolute; left: 0; top: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--blue), var(--teal)); border-radius: 12px 0 0 0;
  transition: width .4s cubic-bezier(.2, .7, .3, 1);
}
.cat-card:hover::before, .prod-card:hover::before, .sol-card:hover::before, .value-card:hover::before { width: 100%; }
.tone-orange.cat-card::before, .tone-orange.value-card::before { background: linear-gradient(90deg, var(--orange), var(--red)); }
.tone-purple.cat-card::before, .tone-purple.value-card::before { background: linear-gradient(90deg, var(--purple), var(--indigo)); }
.tone-teal.cat-card::before, .tone-teal.value-card::before { background: linear-gradient(90deg, var(--teal), var(--green)); }
/* 图标随卡片 hover 微动 */
.cat-card .cat-icon, .sol-card svg, .value-card .cat-icon { transition: transform .3s; }
.cat-card:hover .cat-icon, .sol-card:hover svg, .value-card:hover .cat-icon { transform: translateY(-3px) scale(1.04); }
.sol-card:hover { border-color: rgba(20, 156, 244, .35); }

/* 面包屑 */
.crumbs {
  display: flex; align-items: center; gap: 9px; flex-wrap: wrap;
  font-size: 13px; color: var(--navy-body); margin-bottom: 20px;
}
.crumbs a { color: #fff; opacity: .8; transition: opacity .2s; }
.crumbs a:hover { opacity: 1; }
.crumbs span.sep { opacity: .45; }
.crumbs .cur { color: var(--blue); font-weight: 600; }

/* 品牌信任墙（首页） */
.logo-wall {
  margin-top: 52px; padding-top: 36px; border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex; align-items: center; justify-content: center; gap: 14px 44px; flex-wrap: wrap;
}
.logo-wall span {
  font-size: 14px; font-weight: 600; letter-spacing: .06em; color: #fff; opacity: .45;
  display: inline-flex; align-items: center; gap: 8px; transition: opacity .25s;
}
.logo-wall span:hover { opacity: .85; }
.logo-wall span svg { width: 16px; height: 16px; }

/* 统计项图标 */
.stat .ico {
  display: inline-flex; align-items: center; color: var(--blue);
  margin-bottom: 10px; opacity: .95;
}
.stat .ico svg { width: 22px; height: 22px; }

/* 库存 / 售罄提示 */
.stock { font-size: 12px; color: var(--red); font-weight: 600; margin-top: 8px; display: block; }
.stock-bar { height: 4px; border-radius: 4px; background: var(--border); margin-top: 8px; overflow: hidden; }
.stock-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--red), var(--orange)); }

/* 深色卡内的库存条覆盖 */
.deal-card .stock { color: #fff; opacity: .92; }
.deal-card .stock-bar { background: rgba(255, 255, 255, .25); }
.deal-card .stock-bar i { background: #fff; }

/* 模拟窗呼吸灯 */
.dot, .rack-unit .leds i { animation: pulse 2.2s ease-in-out infinite; }
.rack-unit .leds i:nth-child(2) { animation-delay: .4s; }
.rack-unit .leds i:nth-child(3) { animation-delay: .8s; }
.inst:nth-child(3) .dot { animation-delay: .7s; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }

/* ============================================================
   v3：导航下拉 + 套餐价格表（真实数据）
   ============================================================ */

/* 导航下拉（Stoplight 风格 mega menu） */
.nav-item { position: relative; }
.nav-item > a { display: inline-flex; align-items: center; gap: 6px; }
.nav-item > a .caret { width: 9px; height: 9px; transition: transform .2s; opacity: .7; }
.nav-item:hover > a .caret { transform: rotate(180deg); }
.dropdown {
  position: absolute; top: 100%; left: -14px; min-width: 232px; padding: 10px;
  background: #fff; border-radius: 10px; box-shadow: 0 18px 44px rgba(14, 11, 42, .22);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .2s, transform .2s, visibility .2s; z-index: 120;
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: none; }
.dropdown a {
  display: flex; align-items: center; gap: 11px; padding: 10px 12px; border-radius: 7px;
  color: var(--ink) !important; font-size: 14px; background: #fff;
}
.dropdown a:hover { background: var(--bg-soft); color: var(--blue) !important; }
.dropdown a.on { background: var(--blue-soft); color: var(--blue) !important; }
.dropdown a.on small { color: var(--blue); opacity: .8; }
.dropdown a svg { width: 17px; height: 17px; color: var(--blue); flex: none; }
.dropdown a small { display: block; color: var(--muted); font-size: 11.5px; }
.dropdown a:hover small { color: var(--body); }
@media (max-width: 720px) {
  .dropdown { position: static; box-shadow: none; opacity: 1; visibility: visible; transform: none; background: transparent; padding: 0 0 0 8px; }
  .dropdown a { background: transparent; color: #fff !important; padding: 8px 10px; font-size: 13.5px; }
  .dropdown a:hover { background: rgba(255, 255, 255, .1); color: #fff !important; }
  .dropdown a svg { color: #A8A5C8; }
  .nav-item > a .caret { display: none; }
}

/* 套餐价格表 */
.plan-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 12px; }
.plan-table {
  width: 100%; min-width: 880px; border-collapse: separate; border-spacing: 0;
  background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; font-size: 13.5px;
}
.plan-table th {
  background: var(--navy); color: #fff; font-size: 12.5px; font-weight: 600;
  letter-spacing: .04em; padding: 13px 15px; text-align: left; white-space: nowrap;
}
.plan-table td { padding: 13px 15px; border-bottom: 1px solid var(--border); color: var(--body); vertical-align: middle; }
.plan-table tbody tr:last-child td { border-bottom: 0; }
.plan-table tbody tr:hover { background: var(--bg-soft); }
.plan-table .pname { color: var(--ink); font-weight: 600; white-space: nowrap; }
.plan-table .price { color: var(--red); font-weight: 700; font-size: 17px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.plan-table .price sub { font-size: 11px; font-weight: 600; vertical-align: baseline; margin-right: 1px; }
.plan-table .price i { font-style: normal; font-size: 11px; color: var(--muted); font-weight: 500; }
.plan-table .act { text-align: right; white-space: nowrap; }
.plan-table .btn { padding: 8px 16px; font-size: 12.5px; }
.plan-table .tag-new {
  display: inline-block; margin-left: 6px; font-size: 10px; font-weight: 700;
  color: var(--red); background: rgba(245, 76, 64, .1); padding: 2px 7px; border-radius: 50px; vertical-align: middle;
}
.plan-group-title {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin: 40px 0 16px;
}
.plan-group-title h3 { font-size: 19px; }
.plan-group-title span { color: var(--body); font-size: 13.5px; }
.plan-group-title em {
  font-style: normal; font-family: var(--mono); font-size: 11.5px; color: var(--blue);
  background: var(--blue-soft); padding: 3px 10px; border-radius: 50px;
}

/* 步骤条 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.step { position: relative; padding-top: 46px; }
.step::before {
  counter-increment: s; content: counter(s);
  position: absolute; top: 0; left: 0; width: 34px; height: 34px; border-radius: 50%;
  background: var(--blue); color: #fff; font-weight: 700; font-size: 15px;
  display: grid; place-items: center; box-shadow: var(--shadow-blue);
}
.step h4 { font-size: 16px; margin-bottom: 6px; }
.step p { color: var(--body); font-size: 13.5px; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }

/* 帮助中心分类卡 */
.help-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.help-card {
  border: 1px solid var(--border); border-radius: 12px; padding: 26px 24px; background: #fff;
  transition: transform .25s, box-shadow .25s;
}
.help-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.help-card > svg { width: 34px; height: 34px; margin-bottom: 16px; }
.help-card ul { margin-top: 12px; display: grid; gap: 9px; }
.help-card li { font-size: 13.5px; color: var(--body); display: flex; gap: 8px; }
.help-card li::before { content: '·'; color: var(--blue); font-weight: 700; }
@media (max-width: 900px) { .help-grid { grid-template-columns: 1fr; } }

/* Tab 计数 */
.tabs button em {
  font-style: normal; font-family: var(--mono); font-size: 11px;
  opacity: .65; margin-left: 2px; letter-spacing: .02em;
}

/* 规格对比表 */
.spec-table { width: 100%; border-collapse: collapse; margin-top: 26px; font-size: 14px; background: #fff; }
.spec-table th, .spec-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.spec-table thead th { background: var(--navy); color: #fff; font-size: 13px; font-weight: 600; letter-spacing: .04em; }
.spec-table thead th:first-child { border-radius: 8px 0 0 0; }
.spec-table thead th:last-child { border-radius: 0 8px 0 0; }
.spec-table tbody tr:hover { background: var(--bg-soft); }
.spec-table td:not(:first-child) { color: var(--body); }
.spec-table tbody td:first-child { font-weight: 600; }

/* 移动端底部快捷条 */
.mobile-bar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px);
  border-top: 1px solid var(--border); padding: 10px 16px; gap: 10px;
}
.mobile-bar a { flex: 1; text-align: center; }
@media (max-width: 720px) {
  .mobile-bar { display: flex; }
  body { padding-bottom: 68px; }
  .tabs {
    position: static; flex-wrap: nowrap; overflow-x: auto;
    justify-content: flex-start; padding-bottom: 8px; -webkit-overflow-scrolling: touch;
  }
  .tabs button { flex: none; }
}

/* ---------------- 数据中心节点卡 ---------------- */
.dc-group { margin-bottom: 46px; }
.dc-group:last-child { margin-bottom: 0; }
.dc-title { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.dc-title h3 { font-size: 19px; letter-spacing: -.02em; }
.dc-title .pill { margin-left: auto; }
.dc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.dc-card {
  border: 1px solid var(--border); border-radius: 10px; padding: 20px 20px 18px;
  background: #fff; position: relative; overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.dc-card::before {
  content: ''; position: absolute; inset: 0 0 auto; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.dc-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: transparent; }
.dc-card:hover::before { transform: scaleX(1); }
.dc-card .dc-tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .08em;
  color: var(--blue); background: var(--blue-soft); padding: 3px 9px; border-radius: 4px; margin-bottom: 10px;
}
.dc-card h4 { font-size: 15.5px; margin-bottom: 7px; letter-spacing: -.01em; }
.dc-card p { font-size: 12.8px; color: var(--body); line-height: 1.65; min-height: 42px; }
.dc-card .dc-foot {
  margin-top: 14px; padding-top: 13px; border-top: 1px dashed var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 12.5px;
}
.dc-card .dc-foot b { font-size: 17px; color: var(--ink); letter-spacing: -.02em; }
.dc-card .dc-foot small { color: var(--muted); }
.dc-card .dc-foot .tlink { font-size: 12.5px; }

/* ---------------- 代理等级卡 ---------------- */
.tier-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.tier-card {
  border: 1px solid var(--border); border-radius: 12px; padding: 24px 20px; background: #fff;
  text-align: center; position: relative; transition: transform .25s, box-shadow .25s;
}
.tier-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.tier-card.hi { border-color: var(--blue); box-shadow: 0 8px 24px rgba(20, 156, 244, .14); }
.tier-card .tier-badge {
  position: absolute; top: -10px; left: 50%; transform: translateX(-50%);
  background: var(--blue); color: #fff; font-size: 10.5px; font-weight: 700;
  letter-spacing: .06em; padding: 3px 10px; border-radius: 50px; white-space: nowrap;
}
.tier-card h4 { font-size: 16px; margin-bottom: 4px; }
.tier-card .tier-note { font-size: 11.5px; color: var(--muted); margin-bottom: 16px; }
.tier-card .tier-price { font-size: 30px; font-weight: 700; letter-spacing: -.03em; line-height: 1.1; }
.tier-card .tier-price sub { font-size: 14px; font-weight: 600; }
.tier-card .tier-price span { font-size: 12.5px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.tier-meta { display: grid; gap: 7px; margin: 16px 0 18px; font-size: 12.5px; color: var(--body); }
.tier-meta div { display: flex; justify-content: space-between; gap: 8px; }
.tier-meta div b { color: var(--ink); font-weight: 600; }

/* ---------------- 代码块 ---------------- */
.code-block {
  background: var(--navy); border-radius: 10px; padding: 0; overflow: hidden; margin: 14px 0 18px;
}
.code-block .code-head {
  display: flex; align-items: center; gap: 10px; padding: 11px 16px;
  background: rgba(255, 255, 255, .06); border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.code-block .code-head i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .22); }
.code-block .code-head em {
  font-style: normal; font-size: 12px; color: var(--navy-body); margin-left: 4px; letter-spacing: .02em;
}
.code-block .code-head .copy {
  margin-left: auto; font-size: 11.5px; font-weight: 600; color: #fff;
  background: rgba(255, 255, 255, .12); border: 0; padding: 5px 12px; border-radius: 5px;
  transition: background .2s;
}
.code-block .code-head .copy:hover { background: rgba(255, 255, 255, .22); }
.code-block pre {
  margin: 0; padding: 16px 18px; overflow-x: auto;
  font-family: var(--mono); font-size: 12.8px; line-height: 1.75; color: #D6E4FF;
}
.code-block pre .c { color: #7C8DB5; }
.code-note { font-size: 12.5px; color: var(--body); margin: -6px 0 18px; padding-left: 16px; }
.code-note li { list-style: disc; margin-bottom: 4px; }

/* ---------------- 联系信息卡 ---------------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.contact-tile {
  border: 1px solid var(--border); border-radius: 12px; padding: 24px 22px; background: #fff;
  transition: transform .25s, box-shadow .25s;
}
.contact-tile:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.contact-tile .ct-ico {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 14px;
}
.contact-tile .ct-ico svg { width: 21px; height: 21px; }
.contact-tile h4 { font-size: 15px; margin-bottom: 6px; }
.contact-tile .ct-main { font-size: 20px; font-weight: 700; letter-spacing: -.02em; margin-bottom: 4px; }
.contact-tile p { font-size: 12.8px; color: var(--body); }
.contact-tile .btn { margin-top: 14px; padding: 9px 16px; font-size: 12.5px; }

/* 降低动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html.js .reveal, .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .hero-grid, .split, .cta-grid, .region-wrap { grid-template-columns: 1fr; }
  .split.rev .split-media { order: 0; }
  .hero { padding: 150px 0 90px; }
  .hero-blob { opacity: .4; }
  .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .collage { height: 380px; }
}
@media (max-width: 720px) {
  .nav-links {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--navy); flex-direction: column; align-items: stretch;
    padding: 12px 24px 20px; gap: 4px; border-top: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 24px 40px rgba(0,0,0,.4);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-actions .login { display: none; }
  .cat-grid, .deal-grid, .feat-grid, .news-grid, .prod-grid, .value-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .section { padding: 68px 0; }
  .console-metrics { grid-template-columns: 1fr 1fr; }
  .tl-item { grid-template-columns: 1fr; gap: 6px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .tabs { top: 0; position: static; }
  .float-badge { display: none; }
}

/* ---------------- 新增组件响应式 ---------------- */
@media (max-width: 1024px) {
  .dc-grid { grid-template-columns: repeat(2, 1fr); }
  .tier-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .dc-grid { grid-template-columns: 1fr; }
  .tier-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .tier-card .tier-price { font-size: 25px; }
}
@media (max-width: 480px) { .tier-grid { grid-template-columns: 1fr; } }

/* ---------------- 新版页脚响应式 ---------------- */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
  .footer-nav { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .nav-tel { display: none; }
}
@media (max-width: 720px) {
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .footer-brand .footer-tel { font-size: 21px; }
}
@media (max-width: 480px) { .footer-nav { grid-template-columns: 1fr; } }

/* ---------------- 导航布局收紧（v5） ---------------- */
.nav-inner { gap: 24px; }
.nav-links { gap: 2px; flex-wrap: nowrap; }
.nav-links a {
  white-space: nowrap; font-size: 14px; padding: 8px 11px;
  display: inline-flex; align-items: center; gap: 4px;
}
.nav-links .caret { width: 11px; height: 11px; flex: none; opacity: .7; }
.nav-tel {
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  font-size: 13px; font-weight: 600; color: #fff; transition: color .2s;
}
.nav-tel svg { width: 14px; height: 14px; color: var(--blue); flex: none; }
.nav-tel:hover { color: var(--blue); }
.nav-actions { gap: 12px; flex: none; }
@media (max-width: 1240px) { .nav-tel { display: none; } }
@media (max-width: 1140px) {
  .nav-links a { padding: 8px 8px; font-size: 13.5px; }
  .nav-inner { gap: 16px; }
}

/* ---------------- FAQ 收敛引导 / 节点页导语 ---------------- */
.faq-more {
  text-align: center; margin-top: 26px; font-size: 13.5px; color: var(--body);
}
.faq-more a { color: var(--blue); font-weight: 600; }
.faq-more a:hover { text-decoration: underline; }
.dc-lead {
  margin: -26px 0 34px; font-size: 14px; color: var(--body);
  background: var(--bg-soft); border: 1px dashed var(--border);
  border-radius: 8px; padding: 13px 18px;
}
.dc-lead b { color: var(--ink); }

/* ============================================================
   兼容层：default 主题回退页面在麦云布局下的样式适配
   （container/card/btn 等类映射到麦云设计令牌）
   ============================================================ */
body{background:#fff;color:var(--body);font-family:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.maiyun-page{padding:36px 0 64px}
.maiyun-page .section{padding:34px 0}
.maiyun-page .section:first-child{padding-top:8px}
.section-title{font-size:26px;font-weight:800;color:#0E0B2A;margin:0 0 6px;letter-spacing:-.5px}
.section-sub{color:#5B6172;margin:0 0 26px;font-size:15px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid #E8ECF3;border-radius:16px;overflow:hidden;transition:.25s;box-shadow:0 1px 2px rgba(14,11,42,.04)}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(14,11,42,.10);border-color:#D6DEEA}
.card .body{padding:18px 18px 20px}
.card .cover{height:170px;background:#F1F5FB;display:flex;align-items:center;justify-content:center;font-size:44px;color:#C6D2E4;overflow:hidden}
.card .cover img{width:100%;height:100%;object-fit:cover}
.card h3{margin:0 0 6px;font-size:17px;color:#0E0B2A}
.muted{color:#6B7280}
.price{color:#F2545B;font-weight:800;font-size:20px;margin-top:8px}
.price small{color:#8B92A3;font-weight:500;font-size:12px}
.tag{display:inline-flex;align-items:center;background:#F1F5FB;border:1px solid #E3E9F3;color:#4A5060;border-radius:999px;padding:3px 10px;font-size:12px;margin:2px 4px 2px 0}
.chip{display:inline-flex;align-items:center;background:#F1F5FB;border:1px solid #E3E9F3;border-radius:999px;padding:6px 14px;font-size:13px;color:#3A3F4E;margin:4px;text-decoration:none;transition:.2s}
.chip:hover{border-color:#149CF4;color:#149CF4}
.chip.hot{background:#FFF4E8;border-color:#FFDDB8;color:#C56A00}
.crumb{padding:18px 0 6px;font-size:13px;color:#8B92A3}
.crumb a{color:#6B7280;text-decoration:none}
.crumb a:hover{color:#149CF4}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:12px;padding:10px 20px;font-weight:700;font-size:14px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:.2s}
.btn-primary{background:linear-gradient(135deg,#149CF4,#0B6BC2);color:#fff;box-shadow:0 8px 20px rgba(20,156,244,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(20,156,244,.38)}
.btn-outline{border-color:#D9E1EC;color:#0E0B2A;background:#fff}
.btn-outline:hover{border-color:#149CF4;color:#149CF4}
.btn-ghost{border-color:#D9E1EC;color:#0E0B2A}
.btn-block{width:100%}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:10px}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center;background:#F6F8FB;border:1px solid #E8ECF3;border-radius:14px;padding:14px 16px;margin:14px 0 22px}
.filters select,.filters input[type=text]{border:1px solid #DFE6F0;border-radius:10px;padding:8px 12px;font-size:13px;background:#fff;color:#2A2F3E}
.sidebar{background:#F9FBFD;border:1px solid #E8ECF3;border-radius:16px;padding:16px}
.sidebar h4{margin:2px 0 10px;font-size:15px;color:#0E0B2A}
.sidebar a{display:block;color:#4A5060;text-decoration:none;padding:7px 10px;border-radius:9px;font-size:14px}
.sidebar a:hover,.sidebar a.active{background:#EAF6FF;color:#0B6BC2}
.article-body{line-height:1.9;color:#3A3F4E;font-size:15px}
.article-body img{max-width:100%;border-radius:12px}
.article-body table{width:100%;border-collapse:collapse}
.article-body td,.article-body th{border:1px solid #E8ECF3;padding:8px 10px;font-size:14px}
.specs li{border-bottom:1px dashed #E3E9F3}
.specs li b{color:#6B7280;font-weight:500}
.form-card{background:#fff;border:1px solid #E8ECF3;border-radius:16px;padding:24px;box-shadow:0 1px 2px rgba(14,11,42,.04)}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:700;color:#2A2F3E;margin-bottom:6px}
.field input[type=text],.field input[type=email],.field input[type=tel],.field input[type=password],.field textarea,.field select{width:100%;border:1px solid #DFE6F0;border-radius:11px;padding:10px 13px;font-size:14px;color:#2A2F3E;outline:none;transition:.2s;background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{border-color:#149CF4;box-shadow:0 0 0 3px rgba(20,156,244,.14)}
.article-list{display:flex;flex-direction:column;gap:14px;margin-top:20px}
.article-list .item{display:flex;gap:16px;background:#fff;border:1px solid #E8ECF3;border-radius:16px;padding:14px;text-decoration:none;transition:.2s;color:inherit}
.article-list .item:hover{box-shadow:0 12px 28px rgba(14,11,42,.08);transform:translateY(-2px)}
.article-list .cover{width:130px;height:92px;border-radius:12px;overflow:hidden;flex:none;background:#F1F5FB}
.article-list h4{margin:0 0 4px;color:#0E0B2A;font-size:16px}
.feat{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.feat span{background:#EAF6FF;color:#0B6BC2;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:600}
.node{background:#fff;border:1px solid #E8ECF3;border-radius:16px;padding:18px;transition:.2s}
.node:hover{box-shadow:0 12px 28px rgba(14,11,42,.08);transform:translateY(-2px)}
.pagination{display:flex;justify-content:center;gap:6px;margin-top:30px}
.pagination a,.pagination span{display:inline-flex;min-width:38px;height:38px;align-items:center;justify-content:center;border:1px solid #E3E9F3;border-radius:10px;color:#4A5060;text-decoration:none;font-size:13.5px;background:#fff}
.pagination .active span,.pagination .active a{background:#149CF4;border-color:#149CF4;color:#fff;font-weight:700}
.pagination .disabled{opacity:.4;pointer-events:none}
.text-center{text-align:center}
.alert-ok{background:#E9F9EF;border:1px solid #BFE9CF;color:#1B7A3D;border-radius:12px;padding:12px 16px;margin:14px 0}
.alert-err{background:#FDEEEE;border:1px solid #F3C1C1;color:#B23434;border-radius:12px;padding:12px 16px;margin:14px 0}

/* ============================================================
   内页组件（麦云主题）：详情栅格 / 面板 / 规格表 / 询价表单
   ============================================================ */
.tabs a{display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:999px;border:1.5px solid var(--border);background:#fff;color:var(--ink);font-size:14.5px;font-weight:600;text-decoration:none;transition:.2s;white-space:nowrap}
.tabs a svg{width:16px;height:16px}
.tabs a:hover{color:var(--blue);border-color:var(--blue)}
.tabs a.on{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:var(--shadow-blue)}
.tabs a em{font-style:normal;font-size:12px;opacity:.68;font-weight:500}
.tabs{flex-wrap:wrap;gap:10px}

.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:26px;align-items:start}
@media(max-width:960px){.detail-grid{grid-template-columns:1fr}}
.detail-main{display:flex;flex-direction:column;gap:20px;min-width:0}
.detail-side{position:sticky;top:90px;display:flex;flex-direction:column}
@media(max-width:960px){.detail-side{position:static}}

.panel{background:#fff;border:1px solid var(--border);border-radius:14px;padding:26px;box-shadow:var(--shadow-1)}
.panel-title{margin-bottom:18px}
.panel-title h3{font-size:19px;color:var(--ink);font-weight:700}
.panel-title .eyebrow{margin-bottom:6px}
.panel + .panel{margin-top:20px}

.spec-table{width:100%;border-collapse:collapse;font-size:14.5px}
.spec-table th,.spec-table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border);vertical-align:top}
.spec-table th{width:32%;color:var(--body);font-weight:500;background:#FAFBFC}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.price-table th{background:#F1F7FF;color:var(--ink);font-weight:600;font-size:13px}
.price-table td,.price-table th{padding:10px 10px;font-size:13.5px}
.price-cell{color:var(--red);font-weight:700;white-space:nowrap}

.price-card{background:linear-gradient(160deg,#0E0B2A,#241D63);color:#fff;border-radius:16px;padding:26px;box-shadow:var(--shadow-2)}
.price-card .eyebrow{color:#8FB8FF}
.big-price{font-size:40px;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin:10px 0 4px}
.big-price sub{font-size:17px;font-weight:600;vertical-align:baseline;margin-right:2px}
.big-price span{display:block;font-size:13px;font-weight:500;color:var(--navy-body);margin-top:6px}
.price-card .spec-list li{color:#E4E2F2}

.article-cover{width:100%;max-height:340px;object-fit:cover;border-radius:12px;margin-bottom:22px}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--body);font-size:13.5px;margin-top:14px}
.article-meta span{display:inline-flex;align-items:center;gap:5px}

.side-list{display:flex;flex-direction:column;gap:2px}
.side-list a{display:flex;justify-content:space-between;gap:12px;padding:11px 12px;border-radius:9px;text-decoration:none;color:var(--ink);font-size:14px;transition:.2s}
.side-list a:hover{background:var(--blue-soft);color:var(--blue-dark)}
.side-list time{color:var(--muted);font-size:12.5px;white-space:nowrap}

.inquiry-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:620px){.inquiry-form .form-row{grid-template-columns:1fr}}
.inquiry-form .field{margin-bottom:14px}
.inquiry-form .field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.inquiry-form input,.inquiry-form textarea{width:100%;border:1px solid var(--border);border-radius:10px;padding:11px 13px;font-size:14px;color:var(--ink);background:#fff;outline:none;transition:.2s;font-family:inherit}
.inquiry-form input:focus,.inquiry-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.form-ok{background:var(--green-soft);border:1px solid rgba(88,208,109,.35);color:#1E7A32;border-radius:10px;padding:11px 14px;font-size:14px;margin-bottom:14px}
.form-err{background:rgba(245,76,64,.10);border:1px solid rgba(245,76,64,.32);color:#C22E22;border-radius:10px;padding:11px 14px;font-size:14px;margin-bottom:14px}

.empty-box{border-color:var(--border)!important}
.contact-panel{display:flex;flex-direction:column;gap:4px}

/* ============================================================
   客户案例组件 + 全站 UI 打磨
   ============================================================ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:1000px){.case-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.case-grid{grid-template-columns:1fr}}

.case-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;text-decoration:none;color:inherit;transition:.24s;box-shadow:var(--shadow-1)}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(20,156,244,.42)}
.case-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.case-top h4{margin:0 0 4px;font-size:16.5px;color:var(--ink);font-weight:700;line-height:1.35}
.case-logo{width:48px;height:48px;flex:none;border-radius:12px;background:linear-gradient(135deg,#EAF3FF,#DDEAFF);color:var(--blue-dark);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;overflow:hidden;border:1px solid var(--border)}
.case-logo img{width:100%;height:100%;object-fit:contain;background:#fff}
.case-logo.lg{width:76px;height:76px;font-size:30px;border-radius:16px}
.case-ind{display:inline-block;background:var(--blue-soft);color:var(--blue-dark);border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;margin-right:6px}
.case-sum{color:var(--body);font-size:14px;line-height:1.75;margin:0 0 16px;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.case-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--border);padding-top:14px;font-size:13px}
.case-more{color:var(--blue);font-weight:700;white-space:nowrap}
.case-card:hover .case-more{transform:translateX(3px)}
.case-hero{display:flex;align-items:center;gap:22px;margin-top:18px}
@media(max-width:640px){.case-hero{flex-direction:column;align-items:flex-start;gap:14px}}
.case-metas{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.case-lead{font-size:16px;color:var(--ink);font-weight:600;line-height:1.8;background:var(--blue-soft);border-left:3px solid var(--blue);border-radius:0 10px 10px 0;padding:12px 16px;margin:0 0 18px}

/* ---------- 全站细节打磨 ---------- */
/* 键盘可达性：统一焦点环 */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}
/* 正文长链接与图片保护 */
.article-body img,.panel img{max-width:100%;height:auto}
/* 表格在窄屏可横向滚动，避免撑破布局 */
.spec-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media(max-width:640px){.spec-table{font-size:13.5px}.spec-table th{width:38%}}
/* 空状态 */
.empty-box{text-align:center}
.empty-box h3{font-size:18px;color:var(--ink);margin:0 0 6px}
/* 分页当前项 */
.pagination a.active{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:700}
.pagination a.disabled{opacity:.42;pointer-events:none}
/* 卡片内标题两行截断，列表更整齐 */
.prod-card h4,.news-card h4{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em}
.news-card .desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* 滚动条美化（WebKit） */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#CBD5E4;border-radius:8px;border:2px solid #fff}
::-webkit-scrollbar-thumb:hover{background:#AFC0D6}
::-webkit-scrollbar-track{background:#F4F6FA}
/* 选中文本 */
::selection{background:rgba(20,156,244,.22);color:var(--ink)}

/* 产品卡机房徽标（行内流式，避开右上角热销角标） */
.prod-card .region-chip{
  display:inline-flex;align-items:center;align-self:flex-start;
  background:var(--blue-soft);color:var(--blue-dark);
  border:1px solid rgba(20,156,244,.20);border-radius:999px;
  padding:3px 10px;font-size:11.5px;font-weight:600;margin-bottom:10px;line-height:1.6;
}

/* ================= 专题页组件（topic.php / topics.php） ================= */
.sol-card .feat-emo {
  width: 46px; height: 46px; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 23px; line-height: 1; border-radius: 13px;
  background: var(--blue-soft); transition: transform .3s;
}
.sol-card:hover .feat-emo { transform: translateY(-3px) scale(1.05); }
.feat-emo.c-blue   { background: var(--blue-soft);  color: var(--blue-dark); }
.feat-emo.c-purple { background: #f1ecfd; color: #6d43d1; }
.feat-emo.c-teal   { background: #e4f6f4; color: #12867c; }
.feat-emo.c-orange { background: #fdf0e3; color: #c1690f; }
.feat-emo.c-green  { background: #e8f6e9; color: #2f7d3a; }
.feat-emo.c-red    { background: #fdecec; color: #c0392b; }

.page-hero .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.center-cta { text-align: center; margin-top: 34px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }

.rich { max-width: 860px; margin: 0 auto; color: var(--body); font-size: 15.5px; line-height: 1.85; }
.rich h2, .rich h3 { color: var(--ink); margin: 26px 0 12px; }
.rich h2 { font-size: 24px; }
.rich h3 { font-size: 19px; }
.rich p { margin-bottom: 14px; }
.rich ul, .rich ol { margin: 0 0 16px 22px; }
.rich li { margin-bottom: 8px; }
.rich img { max-width: 100%; border-radius: 12px; margin: 14px 0; }
.rich table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.rich th, .rich td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; }
.rich th { background: var(--blue-soft); color: var(--ink); }

@media (max-width: 900px) {
  .cta-actions { justify-content: flex-start; }
}

a.sol-card { display: block; text-decoration: none; color: inherit; }

/* ================= 产品详情 · 在线配置器 ================= */
.cfg-row { margin: 18px 0 0; }
.cfg-row > label { display: block; font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 9px; }
.cfg-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.cfg-chips .chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 13px; border: 1px solid var(--border); border-radius: 9px;
  background: #fff; color: var(--body); font-size: 13px; font-family: inherit;
  cursor: pointer; text-decoration: none; line-height: 1.4;
  transition: border-color .2s, color .2s, background .2s, box-shadow .2s;
}
.cfg-chips .chip i { font-style: normal; font-size: 11.5px; opacity: .72; }
.cfg-chips .chip:hover { border-color: rgba(20, 156, 244, .45); color: var(--blue-dark); }
.cfg-chips .chip.on {
  border-color: var(--blue); color: var(--blue-dark); background: var(--blue-soft);
  box-shadow: 0 0 0 2px rgba(20, 156, 244, .12); font-weight: 600;
}
.model-chips .chip { max-width: 100%; }
.model-chips .chip { text-align: left; }
.cfg-qty-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.cfg-qty-row > label { margin-bottom: 0; }
.stepper { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: 9px; overflow: hidden; background: #fff; }
.stepper button {
  width: 34px; height: 34px; border: 0; background: #f6f9fc; color: var(--ink);
  font-size: 17px; cursor: pointer; font-family: inherit; line-height: 1;
}
.stepper button:hover { background: var(--blue-soft); color: var(--blue-dark); }
.stepper input { width: 46px; height: 34px; border: 0; text-align: center; font-size: 14px; color: var(--ink); background: #fff; font-family: inherit; }
.stepper .unit { padding: 0 10px 0 4px; font-size: 12.5px; color: var(--body); }

.cfg-total {
  margin-top: 20px; padding: 14px 16px; border-radius: 11px;
  background: linear-gradient(135deg, #f2f8ff, #eaf3ff);
  border: 1px solid rgba(20, 156, 244, .18);
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px;
}
.cfg-total > span { font-size: 13px; color: var(--body); }
.cfg-total b { margin-left: auto; color: var(--blue-dark); font-size: 26px; line-height: 1; }
.cfg-total b sub { font-size: 15px; bottom: 0; margin-right: 2px; }
.cfg-total em { flex: 1 0 100%; font-style: normal; font-size: 12px; color: var(--body); margin-top: 4px; }

.save-tip { margin-top: 10px; font-size: 12.5px; color: var(--body); }
.save-tip.active { color: var(--orange, #d97706); font-weight: 600; }

.prefill-tip {
  margin-bottom: 14px; padding: 11px 14px; border-radius: 10px; font-size: 13.5px;
  background: var(--blue-soft); border: 1px solid rgba(20, 156, 244, .2); color: var(--blue-dark);
}

/* ================= 首页 · 资质荣誉 / 信任背书 ================= */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 8px;
}
.trust-card {
  display: flex; align-items: center; gap: 13px;
  padding: 18px 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.trust-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(20, 60, 120, .1);
  border-color: rgba(20, 156, 244, .35);
}
.trust-ico {
  flex: 0 0 auto;
  width: 44px; height: 44px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--blue-soft); color: var(--blue-dark);
}
.trust-ico svg { width: 23px; height: 23px; }
.trust-card b { display: block; font-size: 15px; color: var(--ink); font-weight: 700; }
.trust-card small { display: block; font-size: 12.5px; color: var(--body); margin-top: 2px; }

@media (max-width: 900px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .trust-grid { grid-template-columns: 1fr; }
}

/* ================= 全站 · 在线工单浮动入口 ================= */
.ticket-fab {
  position: fixed; right: 22px; bottom: 26px; z-index: 60;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px; border-radius: 999px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark, #0e6fc4));
  color: #fff; text-decoration: none; font-size: 14px; font-weight: 600;
  box-shadow: 0 10px 26px rgba(20, 120, 220, .38);
  transition: transform .18s, box-shadow .18s;
}
.ticket-fab svg { width: 19px; height: 19px; }
.ticket-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(20, 120, 220, .5);
  color: #fff;
}
@media (max-width: 768px) {
  .ticket-fab { display: none; } /* 移动端由 mobile-bar 的「联系客服」承接 */
}

/* ================= 面包屑导航（追加分区，不改源站规则） ================= */
.crumbs {
  padding: 14px 0 0;
  font-size: 13px;
  color: #6b7a90;
}
.crumbs .wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.crumbs a { color: #6b7a90; text-decoration: none; transition: color .15s; }
.crumbs a:hover { color: #149CF4; }
.crumbs .sep { color: #b6c2d1; }
.crumbs span:not(.sep) { color: #1f2d3d; font-weight: 500; }

/* 资讯页 RSS 订阅链接 */
.rss-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, .45);
  border-radius: 999px;
  color: #fff;
  font-size: 13px;
  text-decoration: none;
  transition: all .15s;
}
.rss-link:hover { background: rgba(255, 255, 255, .14); border-color: #fff; color: #fff; }