/* ============================================================
   GiMi 吉幂科技 · AWS 海外云服务商 — 样式表
   主题：AWS 橙 #FF9900 + 深蓝 #232F3E

   【电脑端 / 移动端 分区约定】
   本文件采用「电脑端默认样式 + 移动端媒体查询覆盖」结构：
   · 媒体查询 @media 之外 的所有样式 = 电脑端（桌面，width > 980px 生效）
   · @media (max-width: 980/720/560/380px) 区块 = 移动端（手机/触屏覆盖）
   修改界面时：
   → 说「改电脑端」：只动媒体查询之外的默认样式，不影响手机
   → 说「改手机端」：只动下面四个移动端媒体查询区块，不影响电脑
   → 两端共用同一份 HTML 结构，仅 CSS 表现不同（响应式）
   ============================================================ */

:root {
  --aws-orange: #FF9900;
  --aws-orange-dark: #EC7211;
  --aws-orange-soft: #FFF3E0;
  --navy: #232F3E;
  --navy-2: #37475A;
  --bg: #FFFFFF;
  --bg-soft: #F7F8FA;
  --bg-navy: #1B2531;
  --text: #16191F;
  --text-soft: #545B64;
  --border: #E9EBEE;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 6px 24px rgba(35, 47, 62, .08);
  --shadow-sm: 0 2px 10px rgba(35, 47, 62, .06);
  --maxw: 1180px;
  --header-h: 64px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: var(--radius-sm); font-size: 15px;
  font-weight: 600; cursor: pointer; border: 2px solid transparent;
  transition: all .2s ease; white-space: nowrap;
}
.btn-primary {
  background: var(--aws-orange); color: #fff;
  box-shadow: 0 4px 14px rgba(255, 153, 0, .35);
}
.btn-primary:hover { background: var(--aws-orange-dark); transform: translateY(-1px); }
.btn-outline { background: #fff; color: var(--navy); border-color: var(--border); }
.btn-outline:hover { border-color: var(--aws-orange); color: var(--aws-orange-dark); }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: var(--aws-orange-soft); }
.btn-block { display: flex; width: 100%; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav {
  height: var(--header-h); display: flex; align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--navy); }
.brand .logo-dot {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--aws-orange), var(--aws-orange-dark));
  display: grid; place-items: center; color: #fff; font-size: 15px; font-weight: 900;
}
.brand .partner-badge {
  font-size: 11px; font-weight: 700; color: var(--aws-orange-dark);
  background: var(--aws-orange-soft); padding: 2px 8px; border-radius: 20px;
  margin-left: 4px; border: 1px solid #FFE0B2;
}
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { font-size: 15px; color: var(--text-soft); font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--aws-orange-dark); }
.nav-cta { margin-left: 8px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: .3s; }
.mobile-menu {
  display: none; flex-direction: column; background: #fff;
  border-bottom: 1px solid var(--border); padding: 8px 20px 16px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 12px 0; border-bottom: 1px solid var(--bg-soft); color: var(--text); font-weight: 500; }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu .btn { margin-top: 12px; }

/* ---------- 通用区块 ---------- */
.section { padding: 76px 0; }
.section-soft { background: var(--bg-soft); }
.section-navy { background: var(--bg-navy); color: #fff; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 48px; }
.section-head .eyebrow {
  display: inline-block; color: var(--aws-orange-dark); font-weight: 700;
  font-size: 14px; letter-spacing: 1px; margin-bottom: 10px;
}
.section-head h2 { font-size: 32px; font-weight: 800; color: var(--navy); line-height: 1.3; }
.section-navy .section-head h2 { color: #fff; }
.section-head p { margin-top: 14px; color: var(--text-soft); font-size: 16px; }
.section-navy .section-head p { color: #C5CBD3; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(255,153,0,.18), transparent 60%),
    linear-gradient(160deg, #1B2531 0%, #232F3E 55%, #2c3a4d 100%);
  color: #fff; padding: 84px 0 92px; position: relative; overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 44px; font-weight: 800; line-height: 1.25; letter-spacing: -.5px; }
.hero h1 .hl { color: var(--aws-orange); }
.hero p.lead { margin-top: 20px; font-size: 18px; color: #D6DCE4; line-height: 1.8; }
.hero-actions { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust {
  margin-top: 40px; display: flex; flex-wrap: wrap; gap: 22px;
  color: #AEB7C2; font-size: 14px;
}
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust .tick { color: var(--aws-orange); font-weight: 900; }

/* Hero 侧边咨询卡 */
.hero-card {
  background: #fff; color: var(--text); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: var(--shadow);
  display: grid; grid-template-columns: 1fr 124px; gap: 20px; align-items: start;
}
.hero-card-body { min-width: 0; }
.hero-card h3 { font-size: 18px; color: var(--navy); margin-bottom: 4px; }
.hero-card .sub { color: var(--text-soft); font-size: 13px; margin-bottom: 16px; }
.hero-card-qr {
  text-align: center; padding: 8px 6px;
  background: var(--bg-soft); border-radius: var(--radius-sm);
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
}
.hero-card-qr img {
  width: 108px; height: 108px; border-radius: 6px;
  border: 1px solid var(--border); padding: 3px; background: #fff;
}
.hero-card-qr .qr-caption { margin-top: 6px; font-size: 13px; font-weight: 700; color: var(--navy); }
.hero-card-qr .qr-tip { font-size: 11px; color: var(--text-soft); margin-top: 2px; }
.hero-card .field { margin-bottom: 10px; }
.hero-card label { display: block; font-size: 13px; color: var(--text-soft); margin-bottom: 4px; font-weight: 600; }
.hero-card input, .hero-card textarea, .hero-card select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; font-family: inherit; transition: border .2s;
}
.hero-card input:focus, .hero-card textarea:focus, .hero-card select:focus {
  outline: none; border-color: var(--aws-orange);
}
.hero-card textarea { resize: vertical; min-height: 64px; }
.hero-card .btn { margin-top: 4px; }
.form-note { font-size: 12px; color: var(--text-soft); margin-top: 8px; text-align: center; }
.form-ok { display: none; background: #E7F7EC; color: #1B7F3B; padding: 12px; border-radius: 8px; font-size: 14px; margin-top: 10px; text-align: center; font-weight: 600; }
.form-err { display: none; background: #FDECEA; color: #C0392B; padding: 12px; border-radius: 8px; font-size: 14px; margin-top: 10px; text-align: center; }

/* ---------- 信任条 ---------- */
.trust-bar { background: var(--navy); color: #fff; padding: 22px 0; }
.trust-bar .container { display: flex; flex-wrap: wrap; justify-content: space-around; gap: 18px; text-align: center; }
.trust-bar .item { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 500; }
.trust-bar .item .ic { color: var(--aws-orange); font-size: 20px; }

/* ---------- 服务卡片网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: all .22s ease; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #FFD8A8; }
.card .ic-badge {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: var(--aws-orange-soft); color: var(--aws-orange-dark); font-size: 24px; margin-bottom: 16px;
}
.card h3 { font-size: 19px; color: var(--navy); margin-bottom: 10px; }
.card p { color: var(--text-soft); font-size: 15px; flex: 1; }
.card .more { margin-top: 16px; color: var(--aws-orange-dark); font-weight: 600; font-size: 14px; }
.card .more::after { content: " →"; }

/* ---------- 优势 ---------- */
.feature-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature { text-align: center; padding: 10px; }
.feature .num { font-size: 34px; font-weight: 800; color: var(--aws-orange); }
.feature .num small { font-size: 16px; }
.feature h4 { margin-top: 8px; font-size: 17px; color: var(--navy); }
.feature p { margin-top: 6px; color: var(--text-soft); font-size: 14px; }

/* ---------- 区域节点 ---------- */
.region { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.region-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; background: #fff; }
.region-card h3 { color: var(--navy); font-size: 20px; margin-bottom: 4px; }
.region-card .flag { font-size: 28px; margin-right: 8px; }
.region-card ul { margin-top: 14px; }
.region-card li { padding: 8px 0 8px 26px; position: relative; color: var(--text-soft); border-bottom: 1px dashed var(--border); }
.region-card li:last-child { border-bottom: none; }
.region-card li::before { content: "✓"; position: absolute; left: 0; color: var(--aws-orange); font-weight: 900; }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 28px 22px; background: #fff; border-radius: var(--radius); border: 1px solid var(--border); }
.step .step-num {
  width: 40px; height: 40px; border-radius: 50%; background: var(--navy); color: #fff;
  display: grid; place-items: center; font-weight: 800; margin-bottom: 14px;
}
.step h4 { color: var(--navy); font-size: 17px; margin-bottom: 6px; }
.step p { color: var(--text-soft); font-size: 14px; }

/* ---------- 落地页专用 ---------- */
.page-hero {
  background: linear-gradient(160deg, #1B2531, #232F3E);
  color: #fff; padding: 64px 0 70px;
}
.page-hero .breadcrumb { font-size: 13px; color: #9AA4B0; margin-bottom: 14px; }
.page-hero .breadcrumb a { color: var(--aws-orange); }
.page-hero h1 { font-size: 38px; font-weight: 800; line-height: 1.3; }
.page-hero p.lead { margin-top: 16px; font-size: 18px; color: #D6DCE4; max-width: 760px; }
.page-hero .tags { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 10px; }
.page-hero .tag { background: rgba(255,153,0,.16); color: var(--aws-orange); padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; }

.layout-2col { display: grid; grid-template-columns: 1fr 360px; gap: 48px; align-items: start; }
.content h2 { font-size: 26px; color: var(--navy); margin: 36px 0 16px; }
.content h3 { font-size: 20px; color: var(--navy); margin: 26px 0 12px; }
.content p { color: var(--text-soft); margin-bottom: 14px; }
.content ul.check { margin: 14px 0; }
.content ul.check li { padding: 8px 0 8px 28px; position: relative; color: var(--text-soft); }
.content ul.check li::before { content: "✓"; position: absolute; left: 0; color: var(--aws-orange); font-weight: 900; }
.content .callout {
  background: var(--aws-orange-soft); border-left: 4px solid var(--aws-orange);
  padding: 16px 18px; border-radius: 8px; margin: 18px 0; color: #7a4b12; font-size: 15px;
}
.content table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.content table th, .content table td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.content table th { background: var(--bg-soft); color: var(--navy); }
.content table tr:nth-child(even) td { background: #FBFCFD; }

/* 全宽内容块（脱离 layout-2col，独立 section 撑满整个 .container 宽度，桌面端填满界面） */
.full-block h2 { font-size: 26px; color: var(--navy); font-weight: 800; margin: 0 0 18px; }
.full-block h3 { font-size: 20px; color: var(--navy); margin: 26px 0 12px; }
.full-block p { color: var(--text-soft); margin-bottom: 14px; }
.full-block ul.check { margin: 14px 0; }
.full-block ul.check li { padding: 8px 0 8px 28px; position: relative; color: var(--text-soft); }
.full-block ul.check li::before { content: "✓"; position: absolute; left: 0; color: var(--aws-orange); font-weight: 900; }
.full-block .callout {
  background: var(--aws-orange-soft); border-left: 4px solid var(--aws-orange);
  padding: 16px 18px; border-radius: 8px; margin: 18px 0; color: #7a4b12; font-size: 15px;
}
.full-block table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
.full-block table th, .full-block table td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.full-block table th { background: var(--bg-soft); color: var(--navy); font-weight: 700; }
.full-block table tr:nth-child(even) td { background: #FBFCFD; }

/* 侧边粘性咨询卡 */
.side-card {
  position: sticky; top: calc(var(--header-h) + 16px);
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.side-card h3 { color: var(--navy); font-size: 18px; margin-bottom: 4px; }
.side-card .sub { color: var(--text-soft); font-size: 13px; margin-bottom: 16px; }
.side-card .field { margin-bottom: 12px; }
.side-card label { display: block; font-size: 13px; color: var(--text-soft); margin-bottom: 5px; font-weight: 600; }
.side-card input, .side-card textarea, .side-card select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit;
}
.side-card input:focus, .side-card textarea:focus, .side-card select:focus { outline: none; border-color: var(--aws-orange); }
.side-card textarea { resize: vertical; min-height: 56px; }

/* ---------- FAQ ---------- */
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; background: #fff; }
.faq-q { padding: 16px 20px; cursor: pointer; font-weight: 600; color: var(--navy); display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.faq-q .plus { color: var(--aws-orange); font-size: 22px; font-weight: 400; transition: transform .2s; }
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 20px 18px; color: var(--text-soft); font-size: 15px; }

/* ---------- 底部 CTA ---------- */
.cta-band { background: linear-gradient(135deg, var(--aws-orange), var(--aws-orange-dark)); color: #fff; border-radius: var(--radius); padding: 44px 40px; text-align: center; }
.cta-band h2 { font-size: 26px; font-weight: 800; }
.cta-band p { margin: 10px 0 22px; opacity: .95; font-size: 15px; }
.cta-grid {
  display: grid; grid-template-columns: 1fr 180px; gap: 32px; align-items: center;
  max-width: 660px; margin: 0 auto; text-align: left;
}
.cta-grid form input {
  width: 100%; padding: 11px 14px; border-radius: 8px; border: 1px solid rgba(255,255,255,.6);
  font-size: 14px; font-family: inherit; margin-top: 10px; background: rgba(255,255,255,.96);
  color: var(--text);
}
.cta-grid form input:first-child { margin-top: 0; }
.cta-grid form input:focus { outline: none; border-color: #fff; box-shadow: 0 0 0 3px rgba(255,255,255,.35); }
.cta-grid form .cta-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 0; }
.cta-grid form .cta-form-row input { margin-top: 0; }
.cta-grid form button { margin-top: 12px; padding: 11px 28px; }
.cta-grid .form-ok, .cta-grid .form-err { background: #fff; color: var(--navy); }
.cta-qr {
  text-align: center; background: rgba(255,255,255,.96); color: var(--text);
  border-radius: var(--radius-sm); padding: 12px 10px;
  display: flex; flex-direction: column; align-items: center;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.cta-qr img { width: 140px; height: 140px; border-radius: 6px; }
.cta-qr .qr-caption { margin-top: 8px; font-size: 13px; font-weight: 700; color: var(--navy); }
.cta-qr .qr-tip { font-size: 11px; color: var(--text-soft); margin-top: 1px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--bg-navy); color: #C5CBD3; padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-grid a, .footer-grid li { color: #AEB7C2; font-size: 14px; line-height: 2; }
.footer-grid a:hover { color: var(--aws-orange); }
.footer-brand .brand { color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: #9AA4B0; max-width: 280px; }
.footer-bottom { border-top: 1px solid #2c3a4d; margin-top: 36px; padding-top: 20px; font-size: 13px; color: #8A93A0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer-bottom a { color: #AEB7C2; }

/* ---------- 浮动微信咨询按钮 ---------- */
.fab-wechat {
  position: fixed; right: 20px; bottom: 24px; z-index: 200;
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
}
.fab-wechat .fab-btn {
  width: 56px; height: 56px; border-radius: 50%;
  background: #07C160; color: #fff; border: none; cursor: pointer;
  box-shadow: 0 6px 18px rgba(7,193,96,.4);
  display: grid; place-items: center; font-size: 28px;
  transition: transform .2s;
}
.fab-wechat .fab-btn:hover { transform: scale(1.06); }
.fab-wechat .fab-tip {
  position: absolute; right: 64px; top: 12px;
  background: #fff; color: var(--navy); font-size: 13px; font-weight: 600;
  padding: 6px 12px; border-radius: 6px; white-space: nowrap;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  opacity: 0; transform: translateX(8px); pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.fab-wechat .fab-tip.show { opacity: 1; transform: translateX(0); }
.fab-wechat .fab-tip::after {
  content: ""; position: absolute; right: -6px; top: 50%; transform: translateY(-50%);
  border: 6px solid transparent; border-left-color: #fff;
}
.fab-wechat .fab-panel {
  width: 200px; background: #fff; border-radius: 14px;
  padding: 14px; box-shadow: 0 12px 36px rgba(0,0,0,.18);
  text-align: center; border: 1px solid var(--border);
  display: none;
}
.fab-wechat.open .fab-panel { display: block; }
.fab-wechat .fab-panel img { width: 180px; height: 180px; border-radius: 8px; }
.fab-wechat .fab-panel .p1 { margin-top: 8px; font-size: 14px; font-weight: 700; color: var(--navy); }
.fab-wechat .fab-panel .p2 { margin-top: 2px; font-size: 12px; color: var(--text-soft); }

/* ---------- 面包屑 ---------- */
.breadcrumb-nav { font-size: 13px; color: var(--text-soft); padding: 14px 0; }
.breadcrumb-nav a { color: var(--aws-orange-dark); }

/* ---------- 文章（博客）---------- */
.article { max-width: 820px; margin: 0 auto; }
.article-meta { color: var(--text-soft); font-size: 14px; margin: 8px 0 28px; display: flex; gap: 16px; flex-wrap: wrap; }
.article h2 { font-size: 24px; color: var(--navy); margin: 32px 0 14px; }
.article h3 { font-size: 19px; color: var(--navy); margin: 24px 0 10px; }
.article p { color: var(--text-soft); margin-bottom: 16px; font-size: 16px; }
.article ul.check li { padding: 8px 0 8px 28px; position: relative; color: var(--text-soft); }
.article ul.check li::before { content: "✓"; position: absolute; left: 0; color: var(--aws-orange); font-weight: 900; }
.article .callout { background: var(--aws-orange-soft); border-left: 4px solid var(--aws-orange); padding: 16px 18px; border-radius: 8px; margin: 20px 0; color: #7a4b12; }
.article .toc { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px 22px; margin: 24px 0; }
.article .toc h4 { color: var(--navy); font-size: 15px; margin-bottom: 10px; }
.article .toc a { color: var(--aws-orange-dark); display: block; padding: 4px 0; font-size: 14px; }
.article table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; table-layout: auto; }
.article table th, .article table td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; vertical-align: middle; }
.article table th { background: var(--bg-soft); color: var(--navy); font-weight: 700; white-space: nowrap; }
.article table tr:nth-child(even) td { background: #FBFCFD; }
.related { margin-top: 48px; }
.related h3 { color: var(--navy); font-size: 20px; margin-bottom: 18px; }

/* ============================================================
   移动端（≤980px 触屏/手机覆盖，电脑端不生效）
   以下四个区块只在移动设备生效，改动不会影响电脑端界面
   ============================================================ */
/* —— 移动端通用（≤980px）：平板 / 大屏手机，导航汉堡化、多列网格收成单列 —— */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .grid-3 { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .layout-2col { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-grid { grid-template-columns: 1fr; gap: 24px; max-width: 520px; }
  .cta-qr { max-width: 220px; margin: 0 auto; }
  /* 移动端 .card-feature 不跨列，避免生成隐式列轨道 */
  .card-feature { grid-column: auto !important; max-width: 100% !important; margin: 0 !important; }
  /* 导航汉堡化（QQ 浏览器移动版会按 980 渲染） */
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  /* Hero 服务卡片 emoji 与文字不挤 */
  .card { padding: 22px 18px; }
  .card h3 { font-size: 17px; }
  .card p { font-size: 13.5px; line-height: 1.65; }
  .ic-badge { width: 44px; height: 44px; font-size: 22px; }
  /* 容器边距收紧 */
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .hero { padding: 56px 0 60px; }
  .hero h1 { font-size: 32px; }
  .hero p.lead { font-size: 16px; }
  .page-hero h1 { font-size: 28px; }
  .hero-card { grid-template-columns: 1fr; }
  .hero-card-qr { flex-direction: row; gap: 12px; padding: 10px; }
  .hero-card-qr img { width: 80px; height: 80px; }
  .hero-card-qr .qr-caption, .hero-card-qr .qr-tip { margin-top: 0; }
}

/* —— 手机竖屏（≤720px）—— */
@media (max-width: 720px) {
  .grid-3, .grid-2, .region { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .cta-band { padding: 32px 22px; }
  .cta-band h2 { font-size: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; }
  .fab-wechat { right: 14px; bottom: 16px; }
  .fab-wechat .fab-btn { width: 50px; height: 50px; font-size: 24px; }
  .fab-wechat .fab-panel { width: 170px; }
  .fab-wechat .fab-panel img { width: 150px; height: 150px; }
}

/* —— 小屏手机（≤560px）—— */
@media (max-width: 560px) {
  .hero h1 { font-size: 28px; }
  .section-head h2 { font-size: 22px; }
  .hero-card { padding: 22px 18px; }
  .hero-card h3 { font-size: 17px; }
  .ic-badge { width: 40px; height: 40px; font-size: 20px; }
  .tag { font-size: 12px; padding: 5px 11px; }
  .breadcrumb { font-size: 12px; }
  .feature-row { grid-template-columns: 1fr; }
  .hero-card-qr { padding: 8px; }
  .hero-card-qr img { width: 64px; height: 64px; }
  .cta-grid { max-width: 100%; }
  .cta-qr { max-width: 100%; }
  .cta-qr img { width: 120px; height: 120px; }
}

/* —— 超小屏手机（≤380px）—— */
@media (max-width: 380px) {
  .container { padding: 0 12px; }
  .hero h1 { font-size: 24px; }
  .section-head h2 { font-size: 20px; }
  .section { padding: 44px 0; }
  .card { padding: 18px 14px; }
  .ic-badge { width: 36px; height: 36px; font-size: 18px; }
  .hero-card { padding: 18px 14px; }
  .hero-card-qr { padding: 6px; }
  .hero-card-qr img { width: 56px; height: 56px; }
  .hero-card-qr .qr-caption { font-size: 12px; }
  .fab-wechat .fab-btn { width: 46px; height: 46px; font-size: 22px; }
}