/* ============================================================
   摘星搜荐官网 · 全局样式（基于 Bootstrap 5 主题层）
   主色：科技蓝 #0066FF | 辅色：白 #FFFFFF / 深灰 #1A1A2E | CTA：橙金 #FF8A00
   说明：Bootstrap 5 提供栅格/组件基础，本文件负责品牌主题与组件细节。
   ============================================================ */

:root {
  /* 覆盖 Bootstrap 5 主色，统一品牌蓝 */
  --bs-primary: #0066FF;
  --bs-primary-rgb: 0, 102, 255;

  --blue: #0066FF;
  --blue-deep: #0047B3;
  --blue-light: #E8F1FF;
  --gold: #FF8A00;
  --gold-deep: #E67800;
  --ink: #1A1A2E;
  --ink-2: #3A3A4F;
  --gray: #6B7280;
  --gray-light: #F4F6FA;
  --line: #E3E8F0;
  --white: #FFFFFF;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 40, 120, .10);
  --shadow-sm: 0 4px 14px rgba(0, 40, 120, .08);
  --maxw: 1200px;
  --header-h: 70px;
}

/* 复用 Bootstrap 的 reset，这里仅补充基础设定 */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Source Han Sans SC", "Alibaba PuHuiTi", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* 容器：1200px 居中，兼容 Bootstrap .row 栅格 */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink);
}

/* ---------- 顶部公告条 ---------- */
.topbar {
  background: linear-gradient(90deg, var(--ink), var(--blue-deep));
  color: #fff;
  font-size: 14px;
  text-align: center;
  padding: 7px 0;
  letter-spacing: .3px;
}

.topbar b {
  color: #FFD9A8;
}

/* ---------- 导航（Bootstrap Navbar 主题化） ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .navbar {
  padding: 0;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--ink);
}

.brand .logo-mark {
  width: 52px;
  height: 52px;
  /* border-radius: 10px; */
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  /* background: #fff; */
  /* box-shadow: var(--shadow-sm); */
}

.brand .logo-mark1 {
  border-radius: 10px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: 6px;
}

.brand .logo-mark .logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand .logo-mark svg {
  width: 22px;
  height: 22px;
}

.brand small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--gray);
  letter-spacing: .5px;
}

.nav-links {
  gap: 28px;
}

.nav-links .nav-link {
  font-size: 15px;
  color: var(--ink-2);
  font-weight: 600;
  padding: 6px 0 !important;
  position: relative;
  transition: color .2s;
}

.nav-links .nav-link:hover,
.nav-links .nav-link.active {
  color: var(--blue);
}

.nav-links .nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--blue);
  border-radius: 3px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 24px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 700;
  transition: .2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
  box-shadow: 0 6px 18px rgba(255, 138, 0, .35);
}

.btn-primary:hover {
  background: var(--gold-deep);
  border-color: var(--gold-deep);
  color: #fff;
  transform: translateY(-1px);
}

.btn-blue {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 6px 18px rgba(0, 102, 255, .30);
}

.btn-blue:hover {
  background: var(--blue-deep);
  color: #fff;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue);
}

.btn-ghost:hover {
  background: var(--blue-light);
}

.btn-lg {
  padding: 15px 34px;
  font-size: 16px;
}

/* Bootstrap outline 按钮在深色导航上的处理 */
.site-header .btn-outline-light {
  border-color: rgba(255, 255, 255, .5);
  color: #fff;
}

.site-header .btn-outline-light:hover {
  background: rgba(255, 255, 255, .12);
  color: #fff;
}

/* ---------- 区块通用 ---------- */
section {
  padding: 78px 0;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.section-head .eyebrow {
  display: inline-block;
  color: var(--blue);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.section-head h2 {
  font-size: 34px;
  margin-bottom: 14px;
}

.section-head h2 .ti {
  font-size: .6em;
  margin: 0 6px;
  vertical-align: -.08em;
  color: var(--blue);
}

.section-head p {
  color: var(--gray);
  font-size: 16px;
}

.bg-gray {
  background: var(--gray-light);
}

.bg-dark {
  background: linear-gradient(160deg, #0E1A3A, #13357F);
  color: #fff;
}

.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 {
  color: #fff;
}

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #0E1A3A 0%, #13357F 55%, #0066FF 100%);
  color: #fff;
  padding: 96px 0 86px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(61, 160, 255, .45), transparent 40%), radial-gradient(circle at 10% 80%, rgba(255, 138, 0, .20), transparent 35%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .25);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: 46px;
  letter-spacing: .5px;
  margin-bottom: 18px;
  /* max-width: 880px; */
  color: #fff;
}

.hero .sub {
  font-size: 18px;
  color: #D7E4FF;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 54px;
}

.hero .btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .5);
}

.hero .btn-ghost:hover {
  background: rgba(255, 255, 255, .12);
}

.stat {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius);
  padding: 24px 20px;
  backdrop-filter: blur(4px);
}

.stat .num {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  text-align: center;
}

.stat .num .unit {
  font-size: 22px;
  color: #FFD9A8;
  font-weight: 800;
}

.stat .label {
  margin-top: 8px;
  font-size: 14px;
  color: #C7D6F5;
  text-align: center;
}

/* ---------- 信任背书 ---------- */
.logo-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  align-items: center;
}

.logo-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 22px;
  font-weight: 700;
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
}

.logo-chip .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
}

.cert-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 24px;
}

.cert {
  border: 1.5px dashed var(--blue);
  color: var(--blue);
  border-radius: 10px;
  padding: 10px 18px;
  font-weight: 700;
  font-size: 14px;
  background: var(--blue-light);
}

/* ---------- 双栏优势 ---------- */
.adv-col {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow-sm);
  height: 100%;
}

.adv-col h3 {
  font-size: 22px;
  margin-bottom: 6px;
}

.adv-col .col-sub {
  color: var(--gray);
  font-size: 14px;
  margin-bottom: 22px;
}

.adv-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.adv-item:first-of-type {
  border-top: none;
}

.adv-item .ic {
  flex: 0 0 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--blue-light);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
}

.adv-item h4 {
  font-size: 16px;
  margin-bottom: 2px;
}

.adv-item p {
  font-size: 14px;
  color: var(--gray);
}

/* ---------- 行业卡片 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: .25s;
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--blue);
}

.card .tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue);
  background: var(--blue-light);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.card p {
  font-size: 14px;
  color: var(--gray);
}

.card .arrow {
  margin-top: 14px;
  color: var(--blue);
  font-weight: 700;
  font-size: 14px;
  text-align: right;
}

.card-num {
  position: absolute;
  right: 16px;
  top: 10px;
  font-size: 46px;
  font-weight: 800;
  color: rgba(0, 102, 255, .08);
}

/* ---------- 四阶流程 ---------- */
.step {
  text-align: center;
  position: relative;
}

.step .circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 24px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 8px 22px rgba(0, 102, 255, .35);
  position: relative;
  z-index: 2;
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 32px;
  left: 50%;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), #9cc4ff);
  z-index: 1;
}

.step h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.step p {
  font-size: 14px;
  color: var(--gray);
}

/* 末步不画连接线；移动端（Bootstrap lg 以下）统一隐藏连接线 */
.col:last-child .step::after {
  display: none;
}

@media (max-width: 991.98px) {
  .step::after {
    display: none !important;
  }
}

/* ---------- 案例数据条 ---------- */
.case-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 12px;
  padding: 16px 20px;
  margin-top: 14px;
}

.case-bar .k {
  font-size: 30px;
  font-weight: 800;
  color: #FF8A00;
}

.case-bar .t {
  font-size: 14px;
  color: #0066FF;
}

/* ---------- FAQ 手风琴（Bootstrap Accordion 主题化） ---------- */
.accordion {
  max-width: 840px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--line);
  border-radius: 12px !important;
  overflow: hidden;
  margin-bottom: 14px;
  background: #fff;
}

.accordion-button {
  font-weight: 700;
  font-size: 17px;
  padding: 20px 24px;
  color: var(--ink);
  background: #fff;
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  color: var(--blue);
  background: var(--blue-light);
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--line);
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%230066FF' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  transition: transform .25s;
}

.accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%230066FF' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M5 12h14'/%3E%3C/svg%3E");
}

.accordion-body {
  padding: 24px;
  color: var(--gray);
  font-size: 15px;
}

/* ---------- 四栏页脚（Bootstrap 栅格列） ---------- */
.site-footer {
  background: #0E1A3A;
  color: #C7D6F5;
  padding: 60px 0 26px;
}

.site-footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 16px;
}

.site-footer a,
.site-footer p {
  color: #9FB2D9;
  font-size: 14px;
  display: block;
  margin-bottom: 10px;
  line-height: 1.7;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer .foot-brand .brand {
  color: #fff;
  margin-bottom: 14px;
}

.site-footer .foot-brand p {
  color: #9FB2D9;
  font-size: 14px;
}

.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  margin-top: 40px;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  color: #7E92BD;
}

/* ---------- 咨询浮窗 ---------- */
.float-btn {
  position: fixed;
  right: 26px;
  bottom: 30px;
  z-index: 60;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(255, 138, 0, .45);
  font-size: 26px;
  animation: pulse 2.4s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 10px 28px rgba(255, 138, 0, .45); }
  50% { box-shadow: 0 10px 38px rgba(255, 138, 0, .7); }
}

.float-panel {
  position: fixed;
  right: 26px;
  bottom: 100px;
  z-index: 60;
  width: 300px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0, 30, 90, .25);
  padding: 22px;
  display: none;
  animation: rise .25s ease;
}

.float-panel.show {
   right: 90px !important;
  display: block;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.float-panel h4 {
  font-size: 17px;
  margin-bottom: 4px;
}

.float-panel .fp-sub {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 14px;
}

.float-panel .fp-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.float-panel .fp-row i {
  color: var(--blue);
  font-size: 18px;
}

.float-panel .fp-row b {
  color: var(--blue);
  font-size: 14px;
}

.float-panel .fp-lb {
  white-space: nowrap;
  font-size: 14px;
}

.float-panel .fp-close {
  position: absolute;
  top: 12px;
  right: 14px;
  cursor: pointer;
  color: var(--gray);
  font-size: 18px;
}

/* ---------- 表单 ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field.full {
  grid-column: 1/-1;
}

.field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
}

.field input,
.field select,
.field textarea {
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  transition: .2s;
  background: #fff;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-light);
}

.form-note {
  font-size: 14px;
  color: var(--gray);
  margin-top: 14px;
}

.form-ok {
  display: none;
  background: #E7F2FF;
  color: #0047B3;
  border: 1px solid #B7D4FF;
  padding: 14px 18px;
  border-radius: 10px;
  margin-top: 16px;
  font-weight: 600;
}

/* ---------- 诊断卡片 ---------- */
.diag-card {
  max-width: 1152px;
  margin: 0 auto;
  background: #fff;
  border-radius: 18px;
  padding: 40px 44px 36px;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0, 0, 0, .18);
}

.diag-card h2 {
  font-size: 24px;
  color: var(--ink);
  margin-bottom: 8px;
}

.diag-intro {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 26px;
}

.diag-ch {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 18px 12px;
  border-radius: 12px;
  text-decoration: none;
  transition: all .2s ease;
  border: 1.5px solid var(--line);
  background: #FAFBFF;
  height: 100%;
}

.diag-ch:hover {
  border-color: var(--blue);
  background: #EEF3FE;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 102, 255, .12);
}

.diag-ch-phone {
  background: #FFF9F2;
  border-color: #FFE7BA;
}

.diag-ch-phone:hover {
  border-color: #FAAD14;
  background: #FFF4E0;
  box-shadow: 0 4px 14px rgba(250, 173, 20, .15);
}

.diag-ch-wechat {
  background: #F6FAF6;
  border-color: #D4EDDA;
  cursor: default;
}

.diag-ch-label {
  font-size: 14px;
  color: #888;
}

.diag-ch-val {
  font-size: 15px;
  font-weight: 600;
  color: #1a1a2e;
}

.diag-ch-email .diag-ch-val { color: #0055CC; }
.diag-ch-phone .diag-ch-val { color: #D48806; }
.diag-ch-wechat .diag-ch-val { color: #16A34A; }

.diag-ch-ic {
  width: 120px;
  height: 120px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 38px;
  margin-bottom: 6px;
  background: #EEF3FE;
  color: #0055CC;
}

.diag-ch-phone .diag-ch-ic { background: #FFF4E0; color: #D48806; }

.diag-qr {
  width: 120px;
  height: 120px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid #e0e0e0;
  margin-bottom: 6px;
  display: block;
}



.diag-qr-fallback {
  width: 80px;
  height: 80px;
  border-radius: 10px;
  background: #f5f5f5;
  border: 1.5px dashed #ccc;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: #999;
  margin-bottom: 6px;
}

.diag-ch-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.diag-tagline {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.diag-tagline b {
  color: var(--ink);
}

/* 联系页诊断区 */
.contact-card-simple {
  max-width: 1152px;
  margin: 0 auto;
  background: #fff;
  border-radius: 18px;
  padding: 40px 44px 36px;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.contact-card-simple .diag-intro {
  margin-bottom: 22px;
}

/* 内页 CTA 服务话术 */
.cta-tagline {
  font-size: 14px;
  color: #C7D6F5;
  margin-top: 18px;
  line-height: 1.6;
}

.cta-tagline b {
  color: #fff;
}

/* ---------- 回顶部浮动按钮 ---------- */
.back-to-top {
  position: fixed;
  right: 26px;
  bottom: 100px;
  width: 60px;
  height: 60px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 16px rgba(0, 102, 255, .3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all .3s ease;
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: #0055DD;
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(0, 102, 255, .4);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  padding: 18px 0;
  font-size: 14px;
  color: var(--gray);
}

.breadcrumb a:hover {
  color: var(--blue);
}

.breadcrumb span {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- 关于页 / 通用图文 ---------- */
.illust {
  background: linear-gradient(135deg, #E8F1FF, #fff);
  border: 1px solid var(--line);
  border-radius: 20px;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.feature-list li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
}

.feature-list li::before {
  content: "✓";
  color: var(--blue);
  font-weight: 800;
  flex: 0 0 20px;
}

.timeline {
  position: relative;
  margin-left: 10px;
  padding-left: 30px;
  border-left: 2px solid var(--line);
}

.timeline .tl-item {
  position: relative;
  padding: 0 0 28px;
}

.timeline .tl-item::before {
  content: "";
  position: absolute;
  left: -37px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--blue);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--blue);
}

.timeline .tl-year {
  font-weight: 800;
  color: var(--blue);
}

.timeline h4 {
  font-size: 16px;
  margin: 2px 0;
}

.timeline p {
  font-size: 14px;
  color: var(--gray);
}

/* ---------- 方案页对比表 ---------- */
.cmp-box {
  border-radius: var(--radius);
  padding: 30px;
  border: 1px solid var(--line);
  height: 100%;
}

.cmp-box.geo {
  background: linear-gradient(160deg, #E8F1FF, #fff);
  border-color: var(--blue);
}

.cmp-box h3 {
  font-size: 20px;
  margin-bottom: 14px;
}

.cmp-box ul li {
  padding: 9px 0;
  font-size: 14px;
  border-top: 1px dashed var(--line);
  display: flex;
  gap: 10px;
}

.cmp-box ul li:first-child {
  border-top: none;
}

.cmp-box ul li::before {
  content: "•";
  color: var(--blue);
  font-weight: 800;
}

/* ---------- 文章列表 ---------- */
.article-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: .25s;
  height: 100%;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.article-card .thumb {
  height: 150px;
  background: linear-gradient(135deg, var(--blue), #3da0ff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 40px;
}

.article-card .body {
  padding: 20px;
}

.article-card .date {
  font-size: 12px;
  color: var(--gray);
}

.article-card h3 {
  font-size: 17px;
  margin: 6px 0 8px;
}

.article-card p {
  font-size: 14px;
  color: var(--gray);
}

/* ---------- 联系信息 ---------- */
.contact-info {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

.contact-info .ci-row {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.contact-info .ci-row:last-child {
  border-bottom: none;
}

.contact-info .ci-ic {
  flex: 0 0 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--blue-light);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.contact-info b {
  display: block;
  font-size: 15px;
}

.contact-info span {
  font-size: 14px;
  color: var(--gray);
}

.map-placeholder {
  height: 300px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #E8F1FF, #DFEAFF);
  border: 1px dashed var(--blue);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  gap: 8px;
}

.map-addr-card {
  position: relative;
  top:80px;
  padding: 18px 26px;
  border-radius: 14px;
  text-align: center;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.08),
              0 0 22px 6px rgba(37, 99, 235, 0.28),
              0 0 60px 18px rgba(37, 99, 235, 0.18);
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.map-addr-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.12),
              0 0 28px 8px rgba(37, 99, 235, 0.38),
              0 0 70px 22px rgba(37, 99, 235, 0.22);
}

.map-addr-line {
  font-weight: 600;
  font-size: 16px;
  color: #0f1f4a;
  letter-spacing: 0.3px;
}

.map-addr-sub {
  font-size: 14px;
  color: #3a4a78;
  margin-top: 6px;
}

/* ---------- 移动端导航（Bootstrap lg 断点以下） ---------- */
@media (max-width: 991.98px) {
  .nav-cta {
    margin-left: 0;
    margin-top: 14px;
  }

  .site-header .navbar-collapse {
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 12px 16px 18px;
    border-radius: 0 0 14px 14px;
  }

  .nav-links {
    gap: 0;
  }

  .nav-links .nav-link {
    padding: 12px 0 !important;
    width: 100%;
    border-bottom: 1px solid var(--line);
  }

  .nav-links .nav-link.active::after {
    display: none;
  }

  .nav-links .nav-link.active {
    padding-left: 10px !important;
    border-left: 3px solid var(--blue);
  }
}

/* ---------- 通用响应式（栅格由 Bootstrap 处理） ---------- */
@media (max-width: 640px) {
  body { font-size: 15px; }

  section { padding: 54px 0; }

  .hero { padding: 64px 0 60px; }

  .hero h1 { font-size: 30px; }

  .hero .sub { font-size: 16px; }

  .stat .num { font-size: 32px; }

  .section-head h2 { font-size: 26px; }

  .float-panel {
    width: calc(100vw - 40px);
    right: 26px;
  }
}
