/* ============================================================
   400 电话服务平台 · 全站样式（原创代码，商务蓝/青主色）
   字体：阿里巴巴普惠体（本地自托管，永久免费可商用）
   ============================================================ */

:root {
  --primary: #1b6ef3;
  --primary-dark: #1457c4;
  --cyan: #0fa3a3;
  --bg: #ffffff;
  --bg-soft: #f4f8fd;
  --text: #16233c;
  --text-2: #5a6b85;
  --text-3: #8a98b0;
  --border: #e3e9f2;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 6px 24px rgba(22, 35, 60, 0.06);
  --shadow-hover: 0 12px 32px rgba(27, 110, 243, 0.12);
  --maxw: 1160px;
  --font: 'Alibaba PuHuiTi', 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

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

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; color: var(--text); }
.brand em { font-style: normal; color: var(--primary); }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--text-2); font-size: 15px; font-weight: 500; }
.nav a:hover, .nav a.active { color: var(--primary); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 10px 22px; font-size: 15px; font-weight: 600;
  cursor: pointer; border: 1px solid transparent; transition: all .22s ease;
  font-family: var(--font);
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: var(--shadow-hover); }
.btn-ghost { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-ghost:hover { background: rgba(27,110,243,.06); }
.btn-cyan { background: var(--cyan); color: #fff; }
.btn-cyan:hover { background: #0b8f8f; color: #fff; }
.btn-lg { padding: 13px 30px; font-size: 16px; }

.nav-toggle {
  display: none; background: none; border: none;
  border-radius: 12px; cursor: pointer;
  align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1b6ef3 0%, #0fa3a3 100%);
  box-shadow: 0 4px 14px rgba(27, 110, 243, 0.28);
  transition: transform .2s ease, box-shadow .2s ease;
  gap: 8px; padding: 0 14px 0 12px; height: 44px; width: auto;
}
.nav-toggle::after { content: "菜单"; font-size: 14px; font-weight: 600; color: #fff; letter-spacing: 1px; }
.nav-toggle:active { transform: scale(0.94); }
.nav-toggle span { display: block; width: 20px; height: 2.5px; background: #fff; margin: 3.5px 0; border-radius: 3px; transition: transform .28s ease, opacity .2s ease; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(160deg, #eef5ff 0%, #f7fbfe 55%, #eefafa 100%); }
.hero::after {
  content: ""; position: absolute; right: -160px; top: -160px; width: 460px; height: 460px;
  border-radius: 50%; background: radial-gradient(circle, rgba(15,163,163,.16), transparent 68%);
  pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding: 84px 0 76px; position: relative; z-index: 1; }
.hero h1 { font-size: 46px; line-height: 1.25; font-weight: 700; letter-spacing: .5px; }
.hero h1 .hl { color: var(--primary); }
.hero .sub { margin: 20px 0 30px; font-size: 17px; color: var(--text-2); max-width: 520px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--text-3); }

.hero-art { display: flex; justify-content: center; }
.hero-art svg { width: 100%; max-width: 460px; height: auto; }

/* ---------- 通用区块 ---------- */
.section { padding: 72px 0; }
.section-soft { background: var(--bg-soft); }
.sec-head { text-align: center; max-width: 680px; margin: 0 auto 44px; }
.sec-head h2 { font-size: 32px; font-weight: 700; }
.sec-head p { margin-top: 12px; color: var(--text-2); font-size: 15px; }
.sec-tag {
  display: inline-block; font-size: 13px; font-weight: 600; color: var(--primary);
  background: rgba(27,110,243,.08); padding: 5px 14px; border-radius: 999px; margin-bottom: 14px;
}

/* ---------- 信任条 ---------- */
.trust-bar { border-bottom: 1px solid var(--border); }
.trust-inner { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; padding: 22px 0; }
.trust-item { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 500; color: var(--text-2); }
.trust-item svg { flex: none; }

/* ---------- 卖点卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px 26px; transition: all .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(27,110,243,.35); }
.card .ic {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: rgba(27,110,243,.1); margin-bottom: 18px;
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--text-2); }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step {
  position: relative; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 30px 26px 26px;
}
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: 18px; right: 22px; font-size: 40px; font-weight: 700;
  color: rgba(27,110,243,.12); line-height: 1;
}
.step .num { display: inline-block; font-size: 13px; font-weight: 700; color: var(--cyan); background: rgba(15,163,163,.1); padding: 4px 12px; border-radius: 999px; margin-bottom: 14px; }
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-2); }
.step-arrow { display: none; }

/* ---------- 号码 ---------- */
.num-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.num-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; transition: all .25s ease; display: flex; flex-direction: column; gap: 12px;
}
.num-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
/* 号码卡片整卡可点击（点击进入号码预约页） */
a.num-card { color: inherit; text-decoration: none; cursor: pointer; }
a.num-card:hover { border-color: rgba(27, 110, 243, 0.45); }
a.num-card:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.num-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag { font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.tag-auspicious { background: rgba(230,90,60,.1); color: #c8442c; }
.tag-enterprise { background: rgba(27,110,243,.1); color: var(--primary); }
.tag-city { background: rgba(15,163,163,.1); color: var(--cyan); }
.num-main { font-size: 26px; font-weight: 700; letter-spacing: 1px; color: var(--text); font-variant-numeric: tabular-nums; }
.num-desc { font-size: 13px; color: var(--text-2); flex: 1; }
.num-note { font-size: 12px; color: var(--text-3); border-top: 1px dashed var(--border); padding-top: 10px; }

.filter-tabs { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 34px; }
.filter-tabs button {
  font-family: var(--font); font-size: 14px; font-weight: 600; cursor: pointer;
  border: 1px solid var(--border); background: #fff; color: var(--text-2);
  padding: 8px 20px; border-radius: 999px; transition: all .2s ease;
}
.filter-tabs button.active, .filter-tabs button:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- 今日秒杀（号码中心页，原创设计） ---------- */
.deals-section { margin-bottom: 34px; }
.deals-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.deals-tag { display: inline-flex; align-items: center; gap: 6px; padding: 5px 16px; border-radius: 999px;
  background: linear-gradient(90deg, #1b6ef3, #0fa3a3); color: #fff; font-size: 14px; font-weight: 700; }
.deals-note { font-size: 13px; color: var(--text-3); }
.deals-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.deal-card { display: flex; flex-direction: column; align-items: center; gap: 10px; text-decoration: none;
  padding: 24px 18px; border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #f8fbff, #eef4fd); transition: all .25s ease; }
.deal-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(27, 110, 243, 0.45); }
.deal-card:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.deal-num { font-size: 23px; font-weight: 800; letter-spacing: 1px; color: var(--primary); font-variant-numeric: tabular-nums; }
.deal-price { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-3); }
.deal-price del { color: #b6c2d4; }
.deal-price b { font-size: 17px; font-weight: 800; color: #e8590c; }
.deal-note { font-size: 12px; color: var(--text-3); text-align: center; line-height: 1.6; min-height: 32px; }
.deal-btn { display: inline-block; margin-top: 2px; padding: 9px 28px; border-radius: 999px;
  background: linear-gradient(90deg, #1b6ef3, #0fa3a3); color: #fff; font-size: 14px; font-weight: 700; transition: opacity .2s ease; }
.deal-card:hover .deal-btn { opacity: .9; }
.deals-empty { font-size: 14px; color: var(--text-3); text-align: center; padding: 18px 0; border: 1px dashed var(--border); border-radius: var(--radius-lg); }
@media (max-width: 680px) {
  .deals-grid { grid-template-columns: 1fr; gap: 14px; }
  .deal-num { font-size: 20px; }
  .deal-btn { padding: 9px 24px; }
}

/* ---------- 对比表 ---------- */
.compare-wrap { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.compare-table { width: 100%; border-collapse: collapse; background: #fff; }
.compare-table th, .compare-table td { padding: 15px 20px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--border); }
.compare-table thead th { background: var(--bg-soft); font-weight: 700; }
.compare-table th:first-child { width: 120px; color: var(--text-2); font-weight: 600; }
.compare-table tbody tr:last-child td { border-bottom: none; }

/* ---------- 文章卡片 ---------- */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.article-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: all .25s ease; display: flex; flex-direction: column;
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.article-cover { height: 170px; display: flex; align-items: center; justify-content: center; }
.article-cover svg { width: 74px; height: 74px; opacity: .85; }
.cover-1 { background: linear-gradient(135deg, #eef5ff, #e6f7f7); }
.cover-2 { background: linear-gradient(135deg, #f2ecff, #eef5ff); }
.cover-3 { background: linear-gradient(135deg, #e6f7f7, #fff4ea); }
.article-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.article-meta { font-size: 12px; color: var(--text-3); display: flex; gap: 12px; }
.article-body h3 { font-size: 17px; line-height: 1.45; }
.article-body p { font-size: 14px; color: var(--text-2); flex: 1; }
.article-more { font-size: 14px; font-weight: 600; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; background: #fff; }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 18px 22px; cursor: pointer; font-size: 16px; font-weight: 600; user-select: none;
}
.faq-q .faq-ic { flex: none; width: 24px; height: 24px; border-radius: 50%; background: rgba(27,110,243,.1); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 14px; transition: transform .25s ease; }
.faq-item.open .faq-ic { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 22px 20px; font-size: 14px; color: var(--text-2); }

/* ---------- 表单 ---------- */
.form-card {
  max-width: 620px; margin: 0 auto; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow);
}
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.form-row input, .form-row textarea {
  width: 100%; font-family: var(--font); font-size: 15px; color: var(--text);
  border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px;
  background: var(--bg-soft); transition: border .2s ease, box-shadow .2s ease;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27,110,243,.12); background: #fff;
}
.form-row textarea { min-height: 110px; resize: vertical; }
.form-tip { font-size: 12px; color: var(--text-3); margin-top: 12px; line-height: 1.6; }
.form-msg { margin-top: 14px; font-size: 14px; font-weight: 600; display: none; padding: 12px 16px; border-radius: 10px; }
.form-msg.ok { display: block; background: rgba(15,163,163,.1); color: #0b6f6f; }
.form-msg.err { display: block; background: rgba(230,90,60,.1); color: #b03a24; }

/* ---------- 文章详情 ---------- */
.article-detail { max-width: 800px; margin: 0 auto; }
.article-detail h1 { font-size: 32px; line-height: 1.35; margin-bottom: 14px; }
.article-detail .meta { display: flex; gap: 16px; color: var(--text-3); font-size: 13px; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.article-content { font-size: 16px; color: #2a3852; }
.article-content h2 { font-size: 22px; margin: 34px 0 14px; }
.article-content h3 { font-size: 17px; margin: 24px 0 10px; color: var(--text); }
.article-content p { margin-bottom: 14px; }
.article-content ul, .article-content ol { margin: 0 0 16px 24px; }
.article-content li { margin-bottom: 6px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 18px 0; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 14px; font-size: 14px; text-align: left; }
.article-content th { background: var(--bg-soft); }
.article-content blockquote { border-left: 4px solid var(--primary); background: var(--bg-soft); padding: 12px 18px; margin: 18px 0; border-radius: 0 10px 10px 0; color: var(--text-2); font-size: 14px; }
.article-content strong { color: var(--text); }
.article-content em { color: var(--text-2); font-size: 13px; }

/* 文章封面图（后台发布用） */
.article-cover-img { width: 100%; max-height: 340px; object-fit: cover; border-radius: 14px; margin: 0 0 26px; border: 1px solid var(--border); }
.article-card .article-cover img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 关于我们 ---------- */
.about-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.about-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; }
.about-card h3 { font-size: 18px; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.about-card ul { list-style: none; }
.about-card li { font-size: 14px; color: var(--text-2); padding: 7px 0 7px 24px; position: relative; }
.about-card li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 700; }
.contact-list { list-style: none; }
.contact-list li { font-size: 15px; padding: 10px 0; border-bottom: 1px dashed var(--border); color: var(--text-2); }
.contact-list li b { color: var(--text); font-weight: 600; margin-right: 10px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #101c33; color: #aeb9cd; margin-top: 40px; }
.footer-inner { padding: 48px 0 26px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
.footer-inner h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer-inner p, .footer-inner li { font-size: 13px; line-height: 2; color: #aeb9cd; }
.footer-inner ul { list-style: none; }
.footer-inner a { color: #aeb9cd; }
.footer-inner a:hover { color: #fff; }
.footer-brand { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 16px 0; font-size: 12px; color: #7d8aa3; text-align: center; }

/* ---------- 内页横幅 ---------- */
.page-hero { background: linear-gradient(150deg, #eef5ff, #f7fbfe); padding: 56px 0 46px; text-align: center; }
.page-hero h1 { font-size: 34px; font-weight: 700; }
.page-hero p { margin-top: 12px; color: var(--text-2); font-size: 15px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* ---------- 页内锚点与通用工具 ---------- */
.anchor-target { scroll-margin-top: 84px; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-40 { margin-top: 40px; }
.center { text-align: center; }
.note-line { font-size: 13px; color: var(--text-3); text-align: center; margin-top: 20px; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .num-grid, .article-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; padding: 56px 0 60px; }
  .hero h1 { font-size: 36px; }
  .hero-art { order: -1; }
  .hero-art svg { max-width: 320px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .cards, .num-grid, .article-grid, .about-cards { grid-template-columns: 1fr; }
  .nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 20px;
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--bg-soft); }
  .nav .btn { margin-top: 14px; }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .hero h1 { font-size: 30px; }
  .sec-head h2 { font-size: 26px; }
  .form-card { padding: 24px 20px; }
  .footer-inner { grid-template-columns: 1fr; }
  .compare-table { font-size: 13px; }
  .compare-table th, .compare-table td { padding: 12px 12px; }
  .compare-table th:first-child { width: 84px; }
  .article-detail h1 { font-size: 24px; }
}

/* 咨询热线（首页 / 号码中心页咨询区块） */
.inquiry-hotline { margin: 14px 0 0; font-size: 16px; color: #0b3f66; font-weight: 600; }
.inquiry-hotline a { color: #1b6ef3; font-weight: 700; text-decoration: none; border-bottom: 2px solid rgba(27, 110, 243, 0.25); transition: color 0.2s; }
.inquiry-hotline a:hover { color: #0f55c2; }

/* 导航栏咨询热线按钮：浅色底 + 醒目号码 */
.nav a.nav-hotline {
  white-space: nowrap; padding: 9px 16px; font-size: 14px; letter-spacing: 0.2px;
  background: linear-gradient(135deg, #eef5ff 0%, #d9e8ff 100%);
  border: 1px solid rgba(27, 110, 243, 0.38);
  color: #0b4fd0 !important;
}
.nav a.nav-hotline:hover { color: #0842b0 !important; background: linear-gradient(135deg, #e6f0ff 0%, #cfe2ff 100%); border-color: rgba(27, 110, 243, 0.6); }
.nav-hotline .hot-lab { opacity: 0.85; font-weight: 500; margin-right: 2px; }
.nav-hotline strong { font-weight: 800; font-size: 15px; color: #1b6ef3; }
@media (max-width: 1180px) {
  .nav a.nav-hotline { padding: 8px 12px; font-size: 13px; }
  .nav a.nav-hotline .hot-lab { display: none; }
  .nav-hotline strong { font-size: 14px; }
}

/* ---------- 套餐选择页（原创简洁设计） ---------- */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.plan-card {
  position: relative; background: #fff; border: 1px solid var(--border); border-radius: 18px;
  padding: 30px 26px 26px; display: flex; flex-direction: column;
  box-shadow: 0 6px 22px rgba(22, 51, 92, 0.05); transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.plan-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(27, 110, 243, 0.12); border-color: rgba(27, 110, 243, 0.45); }
.plan-tag {
  position: absolute; top: 16px; right: 16px; font-size: 12px; font-weight: 600;
  color: #fff; background: linear-gradient(135deg, #1b6ef3 0%, #0fa3a3 100%);
  padding: 4px 12px; border-radius: 999px; letter-spacing: 0.5px;
}
.plan-card h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin: 0 0 6px; }
.plan-price { font-size: 40px; font-weight: 800; color: #1b6ef3; line-height: 1.15; margin: 4px 0 8px; }
.plan-price .cur { font-size: 24px; font-weight: 700; margin-right: 2px; vertical-align: top; }
.plan-price .unit { font-size: 14px; font-weight: 500; color: var(--text-3); margin-left: 2px; }
.plan-desc { font-size: 14px; color: var(--text-2); line-height: 1.7; margin: 0 0 16px; }
.plan-feats { list-style: none; margin: 0 0 20px; padding: 0; flex: 1; }
.plan-feats li {
  display: flex; align-items: flex-start; gap: 8px; font-size: 14px; color: var(--text-2);
  line-height: 1.6; padding: 5px 0;
}
.plan-feats li svg { flex: 0 0 auto; margin-top: 4px; color: #0fa3a3; }
.plan-btn { width: 100%; text-align: center; justify-content: center; }
.plans-note {
  margin-top: 28px; background: #f4f8fd; border: 1px solid #dbe7f7; border-radius: 14px;
  padding: 16px 20px; font-size: 13px; color: #5a6b85; line-height: 1.8;
}
.plans-note p { margin: 0; }
@media (max-width: 980px) {
  .plan-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .plan-grid { grid-template-columns: 1fr; }
  .plan-price { font-size: 34px; }
}

/* ============================================================
   号码预约页（原创简洁设计）
   ============================================================ */
.reserve-hero {
  background: linear-gradient(160deg, #eef5ff 0%, #f7fbfe 60%, #eefafa 100%);
  padding: 64px 0 72px; position: relative; overflow: hidden;
}
.reserve-hero .sec-head { margin-bottom: 30px; }
.reserve-h1 { font-size: 38px; line-height: 1.3; font-weight: 700; }
.reserve-num-show {
  max-width: 640px; margin: 0 auto; text-align: center;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px 28px; box-shadow: var(--shadow);
}
.reserve-num-label { font-size: 14px; font-weight: 600; color: var(--text-2); letter-spacing: 0.5px; }
.reserve-num-main {
  margin: 10px 0 8px; font-size: 44px; font-weight: 800; letter-spacing: 2px;
  color: var(--primary); font-variant-numeric: tabular-nums; line-height: 1.2;
}
.reserve-num-note { font-size: 13px; color: var(--text-3); line-height: 1.7; }
.reserve-layout { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 26px; align-items: start; }
.reserve-block-title { font-size: 20px; font-weight: 700; margin-bottom: 18px; }
.reserve-contact {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px 28px; box-shadow: var(--shadow);
}
.reserve-contact-desc { font-size: 14px; color: var(--text-2); line-height: 1.8; margin-bottom: 20px; }
.reserve-phone-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 16px 20px; border-radius: var(--radius);
  background: linear-gradient(135deg, #1b6ef3 0%, #0fa3a3 100%);
  color: #fff; font-size: 22px; font-weight: 800; letter-spacing: 0.5px;
  text-decoration: none; transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 8px 20px rgba(27, 110, 243, 0.22);
}
.reserve-phone-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(27, 110, 243, 0.3); color: #fff; }
.reserve-contact-list { list-style: none; margin: 22px 0 0; padding: 0; }
.reserve-contact-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 0; border-bottom: 1px dashed var(--border); font-size: 14px;
}
.reserve-contact-list li:last-child { border-bottom: none; }
.reserve-contact-list span { color: var(--text-2); }
.reserve-contact-list em { font-style: normal; font-weight: 600; color: var(--text); }
.reserve-contact-note {
  margin-top: 18px; background: #f4f8fd; border: 1px solid #dbe7f7; border-radius: 12px;
  padding: 12px 16px; font-size: 12px; color: var(--text-3); line-height: 1.7;
}
@media (max-width: 980px) {
  .reserve-layout { grid-template-columns: 1fr; }
  .reserve-h1 { font-size: 30px; }
}
@media (max-width: 680px) {
  .reserve-num-main { font-size: 34px; }
  .reserve-phone-btn { font-size: 18px; }
}

/* ============================================================
   移动端体验优化 v2（原创代码，商务蓝/青主色延续）
   导航按钮醒目 · 触控面积 ≥44px · 卡片/表单/CTA 美化
   ============================================================ */

/* —— 汉堡按钮展开动画（菜单打开时三条线变 X） —— */
.site-header:has(.nav.open) .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.site-header:has(.nav.open) .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header:has(.nav.open) .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 680px) {
  /* 头部：圆角悬浮下拉菜单 */
  .site-header { border-bottom: none; }
  .header-inner { height: 64px; }
  .nav {
    top: calc(64px + 8px);
    left: 12px; right: 12px; width: auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 14px 34px rgba(22, 51, 92, 0.14);
    padding: 10px 12px 16px;
  }
  .nav a {
    padding: 14px 14px; font-size: 16px; border-radius: 10px;
    border-bottom: none; margin-bottom: 2px; font-weight: 500;
  }
  .nav a:hover, .nav a.active { background: rgba(27, 110, 243, 0.07); color: var(--primary); }
  .nav a.active { font-weight: 700; }
  .nav a.nav-hotline {
    margin: 12px 0 0; padding: 14px 16px; font-size: 16px;
    background: linear-gradient(135deg, #1b6ef3 0%, #0fa3a3 100%);
    border: none; border-radius: 12px; color: #fff !important;
    box-shadow: 0 8px 18px rgba(27, 110, 243, 0.24);
    display: flex; align-items: center; justify-content: center; gap: 8px;
  }
  .nav a.nav-hotline:hover { color: #fff !important; background: linear-gradient(135deg, #1457c4 0%, #0b8f8f 100%); }
  .nav a.nav-hotline .hot-lab { opacity: 1; color: rgba(255, 255, 255, 0.9); font-weight: 500; }
  .nav a.nav-hotline strong { color: #fff; font-size: 18px; font-weight: 800; }

  /* 区块间距与标题 */
  .section { padding: 48px 0; }
  .sec-head { margin-bottom: 32px; }
  .sec-head h2 { font-size: 27px; }
  .sec-head p { font-size: 15px; }

  /* Hero：大按钮竖排全宽 */
  .hero-inner { padding: 40px 0 48px; gap: 26px; text-align: center; }
  .hero h1 { font-size: 30px; }
  .hero .sub { font-size: 16px; margin: 16px auto 24px; }
  .hero-cta { flex-direction: column; gap: 12px; align-items: center; }
  .hero-cta .btn { width: 100%; min-height: 50px; font-size: 17px; border-radius: 14px; }
  .hero-note { font-size: 12px; }
  /* Hero 插画：手机端移除（简洁居中排版） */
  .hero-art { display: none; }

  /* 通用按钮触控面积 */
  .btn { min-height: 44px; }
  .btn-lg { min-height: 50px; }

  /* 卡片美化 */
  .card { padding: 26px 22px; border-radius: 18px; }
  .card h3 { font-size: 18px; }
  .card p { font-size: 14.5px; }
  .step { padding: 26px 22px; border-radius: 18px; }
  .num-card { padding: 22px; border-radius: 18px; }
  .num-main { font-size: 24px; }
  .filter-tabs button { min-height: 40px; padding: 9px 18px; font-size: 14.5px; }
  .article-body { padding: 18px 18px 20px; }
  .article-card { border-radius: 18px; }
  .plan-card { padding: 26px 22px; border-radius: 18px; }
  .plan-price { font-size: 32px; }
  .plan-btn { min-height: 48px; }

  /* 表单：更大输入区与按钮 */
  .form-card { padding: 26px 18px; border-radius: 18px; }
  .form-row label { font-size: 15px; margin-bottom: 10px; }
  .form-row input, .form-row textarea { font-size: 16px; padding: 14px 16px; border-radius: 12px; }
  .form-row textarea { min-height: 120px; }
  .form-card .btn { min-height: 50px; width: 100%; font-size: 17px; }

  /* FAQ 触控 */
  .faq-q { padding: 16px 16px; font-size: 15.5px; }
  .faq-a-inner { padding: 0 16px 18px; }

  /* 对比表：小屏横向滚动 */
  .compare-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .compare-table { min-width: 560px; }

  /* 页脚 */
  .footer-inner { padding: 36px 0 22px; gap: 26px; }
  .footer-inner h4 { margin-bottom: 10px; }

  /* 内页横幅 */
  .page-hero { padding: 42px 0 34px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero p { font-size: 14.5px; }

  /* 预约页 */
  .reserve-hero { padding: 44px 0 52px; }
  .reserve-h1 { font-size: 28px; }
  .reserve-num-show { padding: 24px 18px; }
  .reserve-num-main { font-size: 30px; letter-spacing: 1px; }
  .reserve-contact { padding: 24px 18px; }
  .reserve-phone-btn { font-size: 20px; padding: 15px 18px; min-height: 56px; border-radius: 14px; }
  .reserve-block-title { font-size: 19px; }
  .reserve-contact-list li { font-size: 14.5px; }

  /* 文章详情 */
  .article-detail h1 { font-size: 23px; }
  .article-content h2 { font-size: 20px; }
}

/* 小屏细节（≤400px） */
@media (max-width: 400px) {
  .hero h1 { font-size: 27px; }
  .sec-head h2 { font-size: 25px; }
  .num-main { font-size: 22px; }
}

/* ======== 站点切换（地区选择页 · 按省份分组） ======== */
.regions-hero { padding: 72px 0 40px; background: linear-gradient(180deg, #eef5ff 0%, #f8fbff 100%); border-bottom: 1px solid var(--border); }
.regions-hero h1 { font-size: 34px; line-height: 1.3; }
.regions-hero .sub { margin: 16px 0 12px; font-size: 16px; color: var(--text-2); max-width: 720px; }
.regions-hero .hero-note { font-size: 13px; color: #8fa3bd; }
.prov-block { margin-top: 44px; }
.prov-block:first-child { margin-top: 0; }
.prov-title { display: flex; align-items: center; gap: 14px; margin: 0 0 22px; font-size: 22px; font-weight: 700; color: var(--text); }
.prov-title .prov-name { color: var(--primary); }
.prov-title::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--border), transparent); }
.region-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 22px; }
.region-cell { display: block; padding: 16px 14px; border: 1px solid #d4e2f7; border-radius: 12px; background: linear-gradient(180deg, #f8fbff 0%, #eef4fd 100%); transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease, background .2s ease; text-align: center; }
.region-cell:hover { border-color: var(--primary); background: #ffffff; box-shadow: 0 8px 24px rgba(27, 110, 243, .14); transform: translateY(-2px); }
.region-cell .rc-name { display: block; font-size: 16px; font-weight: 600; color: #1a5bbf; margin-bottom: 0; }
.region-cell:hover .rc-name { color: var(--primary); }
@media (max-width: 680px) {
  .brand { font-size: 15px; }
  .regions-hero { padding: 44px 0 28px; }
  .regions-hero h1 { font-size: 26px; }
  .prov-title { font-size: 19px; gap: 10px; margin-bottom: 18px; }
  .prov-block { margin-top: 34px; }
  .region-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .region-cell { padding: 13px 10px; }
  .region-cell .rc-name { font-size: 15px; }
}

/* ======== 右侧浮动联系窗（原创设计，全站悬浮） ======== */
.float-bar { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 1200; width: 170px; background: #ffffff; border: 1px solid #e2ebf9; border-radius: 14px; box-shadow: 0 14px 42px rgba(27, 110, 243, .16); padding: 12px; display: flex; flex-direction: column; gap: 10px; box-sizing: border-box; transition: transform .35s ease, opacity .35s ease; }
.float-bar.fb-collapsed { transform: translateX(calc(100% + 28px)); opacity: 0; pointer-events: none; }
.float-bar a { text-decoration: none; }
.fb-toggle { position: absolute; top: 8px; right: 8px; width: 22px; height: 22px; border: none; border-radius: 50%; background: #eef4fd; color: #1b6ef3; font-size: 15px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background .2s ease; }
.fb-toggle:hover { background: #dbe7fb; }
.fb-head { font-size: 13px; font-weight: 700; color: #1b6ef3; text-align: center; padding-bottom: 9px; border-bottom: 1px dashed #e2ebf9; }
.fb-head::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #2ed47a; margin-right: 6px; vertical-align: 1px; }
.fb-item { display: flex; align-items: center; gap: 9px; padding: 9px 10px; border-radius: 10px; background: #f6faff; border: 1px solid #e4edfb; color: var(--text); transition: border-color .2s ease, box-shadow .2s ease; }
.fb-item:hover { border-color: #1b6ef3; box-shadow: 0 4px 14px rgba(27, 110, 243, .12); }
.fb-item svg { flex: none; }
.fb-txt { display: flex; flex-direction: column; line-height: 1.35; min-width: 0; }
.fb-txt small { font-size: 11px; color: #8fa3bd; }
.fb-call { flex-direction: column; gap: 6px; padding: 10px; }
.fb-call-head { display: flex; align-items: center; gap: 7px; justify-content: center; }
.fb-num { display: block; width: 100%; text-align: center; font-size: 12px; color: #1b6ef3; font-weight: 700; white-space: nowrap; letter-spacing: 0; }
.fb-wx { flex-direction: column; align-items: center; text-align: center; gap: 6px; padding-top: 10px; }
.fb-wx-head { display: flex; align-items: center; gap: 8px; justify-content: center; }
.fb-wx .fb-txt { flex-direction: row; gap: 6px; }
.fb-wx .fb-txt small { color: #0fa3a3; }
.fb-qr { width: 96px; height: 96px; object-fit: contain; border-radius: 8px; border: 1px solid #e2ebf9; background: #fff; }
.fb-cta { display: block; text-align: center; padding: 10px 8px; border-radius: 10px; background: linear-gradient(90deg, #1b6ef3, #0fa3a3); color: #ffffff; font-weight: 700; font-size: 14px; transition: opacity .2s ease, transform .2s ease; }
.fb-cta:hover { opacity: .92; transform: translateY(-1px); }
.fb-tab { position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: 1200; border: none; border-radius: 12px 0 0 12px; background: linear-gradient(180deg, #1b6ef3, #0fa3a3); color: #ffffff; padding: 14px 9px; cursor: pointer; box-shadow: 0 8px 24px rgba(27, 110, 243, .25); display: none; transition: opacity .2s ease; }
.fb-tab:hover { opacity: .92; }
.fb-tab-txt { writing-mode: vertical-rl; font-size: 13px; font-weight: 700; letter-spacing: 2px; }
@media (max-width: 680px) {
  .float-bar { right: 10px; top: auto; bottom: 84px; transform: none; width: 128px; padding: 9px; gap: 8px; }
  .float-bar.fb-collapsed { transform: translateX(calc(100% + 18px)); }
  .fb-head { font-size: 12px; padding-bottom: 7px; }
  .fb-item { padding: 7px 8px; gap: 7px; }
  .fb-qr { width: 76px; height: 76px; }
  .fb-num { font-size: 11px; }
  .fb-toggle { width: 20px; height: 20px; }
  .fb-cta { font-size: 13px; padding: 9px 6px; }
  .fb-tab { top: auto; bottom: 84px; transform: none; }
}