/* ===========================================================
   天津市瀚博三维科贸有限公司 | 企业官网定制视觉系统
   设计语言：专业可信、科技感、国际化
   =========================================================== */

:root {
  /* 工业科技精密风格 ⚙️ */
  --color-primary-50: #e8f0f9;
  --color-primary-100: #bed5eb;
  --color-primary-200: #94b8dd;
  --color-primary-300: #6a9bcf;
  --color-primary-400: #407ec1;
  --color-primary-500: #1E3A8A;
  --color-primary-600: #1a3278;
  --color-primary-700: #152a66;
  --color-primary-800: #112254;
  --color-primary-900: #0c1a42;

  --color-secondary-50: #fee;
  --color-secondary-100: #fcc;
  --color-secondary-200: #f99;
  --color-secondary-300: #f66;
  --color-secondary-400: #f44;
  --color-secondary-500: #DC2626;
  --color-secondary-600: #c21e1e;
  --color-secondary-700: #a81a1a;
  --color-secondary-800: #8e1616;
  --color-secondary-900: #741212;

  --color-accent-100: #e5e9f0;
  --color-accent-500: #64748B;

  --color-neutral-50: #f5f7fa;
  --color-neutral-100: #e6ebf2;
  --color-neutral-200: #d4dae3;
  --color-neutral-300: #b4becf;
  --color-neutral-400: #8592a6;
  --color-neutral-500: #5d6a7d;
  --color-neutral-600: #3f4a5a;
  --color-neutral-700: #2d3642;
  --color-neutral-800: #202630;
  --color-neutral-900: #131820;

  --gradient-primary: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-400));
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary-600), var(--color-secondary-400));
  --gradient-overlay: linear-gradient(135deg, rgba(6, 36, 118, 0.85), rgba(19, 156, 117, 0.85));

  --font-family-base: "Helvetica Neue", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-family-title: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.375rem;
  --font-size-xl: 1.75rem;
  --font-size-display: clamp(2.4rem, 4vw, 3.4rem);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --shadow-sm: 0 8px 18px rgba(12, 54, 166, 0.08);
  --shadow-md: 0 12px 32px rgba(19, 156, 117, 0.12);
  --shadow-lg: 0 18px 46px rgba(6, 36, 118, 0.16);

  --container-width: 1180px;
  --section-padding: clamp(64px, 8vw, 120px);
  --section-padding-compact: clamp(48px, 6vw, 80px);

  --transition-short: 0.2s ease;
  --transition-base: 0.35s ease;
  --transition-long: 0.5s ease;
}

/* ===========================================================
   基础重置与排版
   =========================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-neutral-800);
  background: var(--color-neutral-50);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-short), opacity var(--transition-short);
}

a:hover {
  color: var(--color-primary-500);
}

p {
  margin: 0 0 1.2rem;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-title);
  color: var(--color-neutral-900);
  margin: 0 0 1rem;
  line-height: 1.3;
}

h1 {
  font-size: var(--font-size-display);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.35rem, 2vw, 1.6rem);
  font-weight: 600;
}

h4 {
  font-size: 1.2rem;
  font-weight: 600;
}

ul, ol {
  padding-left: 1.2rem;
  margin: 0 0 1.2rem;
}

strong {
  color: var(--color-neutral-900);
}

/* ===========================================================
   布局容器
   =========================================================== */

.container {
  width: min(100% - 48px, var(--container-width));
  margin: 0 auto;
}

.section {
  padding: var(--section-padding) 0;
}

.section--compact {
  padding: var(--section-padding-compact) 0;
}

.section--alt {
  background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(231, 240, 255, 0.65) 100%);
}

.section-header {
  max-width: 760px;
  text-align: left;
  margin-bottom: clamp(32px, 4vw, 48px);
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.12rem;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(26, 94, 255, 0.08);
  color: var(--color-primary-600);
  margin-bottom: 1.2rem;
}

.section-subtitle {
  color: var(--color-neutral-500);
  font-size: var(--font-size-md);
  margin-top: -0.6rem;
}

.grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.layout-split {
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  gap: clamp(32px, 4vw, 48px);
  align-items: start;
}

.layout-wide {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
}

.content-rich {
  display: grid;
  gap: clamp(24px, 3vw, 36px);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr);
  gap: clamp(32px, 4vw, 48px);
}

.sidebar {
  display: grid;
  gap: 24px;
}

.sidebar-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  border: 1px solid rgba(6, 36, 118, 0.08);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 16px;
}

.sidebar-card h3 {
  margin-bottom: 0.5rem;
}

.sidebar-card ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--color-neutral-600);
}

.sidebar-card li + li {
  margin-top: 0.6rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: rgba(64, 123, 255, 0.12);
  color: var(--color-primary-600);
}

/* ===========================================================
   导航与页头
   =========================================================== */

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(13, 39, 102, 0.08);
}

.header-container {
  width: min(100% - 48px, var(--container-width));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: var(--color-neutral-900);
}



nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

nav > ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0;
}

nav > ul > li {
  position: relative;
}

nav > ul > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-neutral-700);
  border-radius: var(--radius-pill);
  transition: background var(--transition-short), color var(--transition-short);
}

nav > ul > li > a:hover,
nav > ul > li > a:focus {
  background: rgba(26, 94, 255, 0.1);
  color: var(--color-primary-600);
}

.dropdown:hover > .dropdown-menu,
.dropdown:focus-within > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  min-width: 210px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 16px;
  list-style: none;
  display: grid;
  gap: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-base);
  pointer-events: none;
}

.dropdown-menu::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 24px;
  width: 16px;
  height: 16px;
  transform: rotate(45deg);
  background: #fff;
}

.dropdown-menu li a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-neutral-700);
  transition: background var(--transition-short), color var(--transition-short);
}

.dropdown-menu li a:hover {
  background: rgba(26, 94, 255, 0.08);
  color: var(--color-primary-600);
}

.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(13, 39, 102, 0.12);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition-short);
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-neutral-700);
  transition: all var(--transition-short);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1;
  transition: transform var(--transition-short), box-shadow var(--transition-short), background var(--transition-short);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 10px 22px rgba(26, 94, 255, 0.24);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(26, 94, 255, 0.3);
}

.btn-secondary {
  background: rgba(19, 156, 117, 0.1);
  color: var(--color-secondary-700);
}

.btn-secondary:hover {
  background: rgba(19, 156, 117, 0.18);
}

.btn-link {
  color: var(--color-primary-600);
  gap: 6px;
}

.btn-link::after {
  content: "→";
  transition: transform var(--transition-short);
}

.btn-link:hover::after {
  transform: translateX(4px);
}

/* ===========================================================
   英雄与页面头部
   =========================================================== */

.hero {
  position: relative;
  padding: clamp(140px, 24vw, 220px) 0 clamp(120px, 18vw, 160px);
  display: grid;
  place-items: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--hero-image, url("../images/oAUp2rpXON8E.jpg"));
  background-size: cover;
  background-position: center;
  filter: brightness(0.42);
  transform: scale(1.05);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
  opacity: 0.9;
}

.hero > .container {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.5rem;
  max-width: 760px;
}

.hero p {
  font-size: var(--font-size-md);
  color: rgba(255, 255, 255, 0.85);
}

.hero-actions {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 10px;
}

.hero-stats {
  margin-top: clamp(32px, 4vw, 48px);
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.hero-stat {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px);
  text-align: left;
}

.hero-stat h3 {
  color: #fff;
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  margin-bottom: 0.4rem;
}

.hero-stat p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
}

.page-hero {
  position: relative;
  padding: clamp(120px, 22vw, 180px) 0 clamp(60px, 10vw, 80px);
  color: #fff;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--hero-image, url("../images/V2mDCtil8XdA.jpg"));
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  filter: brightness(0.45);
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(6, 36, 118, 0.9), rgba(19, 156, 117, 0.78));
}

.page-hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.2rem;
  max-width: 860px;
}

.page-hero .page-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.78);
}

.page-hero .page-description {
  color: rgba(255, 255, 255, 0.82);
  font-size: var(--font-size-md);
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb span {
  opacity: 0.5;
}

/* ===========================================================
   卡片与组件
   =========================================================== */

.card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid rgba(6, 36, 118, 0.08);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 16px;
  transition: transform var(--transition-short), box-shadow var(--transition-short);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.card-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  max-height: 200px;
  object-fit: cover;
}

.card-content {
  display: grid;
  gap: 0.6rem;
}

.card-title {
  margin: 0;
}

.card-text {
  color: var(--color-neutral-600);
  margin: 0;
}

.card-link {
  color: var(--color-primary-600);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link::after {
  content: "→";
  transition: transform var(--transition-short);
}

.card-link:hover::after {
  transform: translateX(4px);
}

.card--horizontal {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  align-items: center;
}

.card--gradient {
  background: linear-gradient(140deg, rgba(26, 94, 255, 0.12), rgba(19, 156, 117, 0.12));
  border: 1px solid rgba(26, 94, 255, 0.18);
}

.insight {
  border-left: 4px solid var(--color-primary-500);
  padding-left: 22px;
  color: var(--color-neutral-600);
}

.list-check {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.list-check li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--color-neutral-600);
}

.list-check li::before {
  content: "✔";
  color: var(--color-secondary-500);
  font-weight: 700;
  line-height: 1.2;
}

.list-arrow {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.list-arrow li {
  color: var(--color-neutral-600);
}

.list-arrow li::before {
  content: "→";
  margin-right: 10px;
  color: var(--color-primary-500);
  font-weight: 700;
}

.stat-group {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stat-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid rgba(6, 36, 118, 0.06);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 10px;
}

.stat-card strong {
  font-size: clamp(2rem, 4vw, 2.6rem);
  color: var(--color-primary-600);
}

.stat-card span {
  color: var(--color-neutral-600);
}

.process-steps {
  display: grid;
  gap: 16px;
}

.process-step {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(6, 36, 118, 0.1);
  background: rgba(231, 240, 255, 0.25);
}

.process-step strong {
  color: var(--color-primary-700);
}

.timeline {
  position: relative;
  padding-left: 28px;
  display: grid;
  gap: 24px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 8px;
  width: 2px;
  background: rgba(26, 94, 255, 0.2);
}

.timeline-item {
  position: relative;
  padding-left: 12px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--color-primary-500);
  background: #fff;
}

.detail-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(6, 36, 118, 0.12);
  box-shadow: var(--shadow-sm);
}

.detail-table th,
.detail-table td {
  padding: 16px 20px;
  text-align: left;
  color: var(--color-neutral-700);
}

.detail-table thead {
  background: rgba(26, 94, 255, 0.12);
}

.detail-table tbody tr:nth-child(even) {
  background: rgba(231, 240, 255, 0.35);
}

.highlight-panel {
  background: linear-gradient(135deg, rgba(26, 94, 255, 0.08), rgba(19, 156, 117, 0.08));
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 40px);
  border: 1px solid rgba(26, 94, 255, 0.18);
  display: grid;
  gap: 18px;
}

.media-block {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  min-height: 280px;
}

.media-block img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.88);
}

.media-block::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 45%, rgba(0,0,0,0.45) 100%);
}

.media-caption {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  color: #fff;
  font-size: var(--font-size-sm);
}

.partner-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 18px;
  align-items: center;
}

.partner-logos .partner {
  height: 72px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid rgba(6, 36, 118, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-neutral-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.news-list {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
}

.news-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid rgba(6, 36, 118, 0.08);
}

.news-card:last-child {
  border-bottom: none;
}

.news-card .date {
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-neutral-500);
}

.news-card h3 {
  margin-bottom: 8px;
}

.cta-panel {
  background: var(--gradient-primary);
  color: #fff;
  border-radius: calc(var(--radius-lg) * 1.4);
  padding: clamp(36px, 6vw, 48px);
  display: grid;
  gap: clamp(16px, 3vw, 24px);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.cta-panel::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}

.cta-panel h2,
.cta-panel p {
  color: #fff;
  margin: 0;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.contact-card {
  background: rgba(255,255,255,0.86);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid rgba(6, 36, 118, 0.12);
  display: grid;
  gap: 6px;
  color: var(--color-neutral-700);
}

.contact-card strong {
  font-size: var(--font-size-md);
  color: var(--color-neutral-900);
}

.contact-methods {
  display: grid;
  gap: 18px;
  margin-top: 16px;
}

.contact-method {
  display: flex;
  gap: 6px;
  align-items: flex-start;
}

.contact-method span {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.2);
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* ===========================================================
   页脚
   =========================================================== */

footer {
  background: #0c1940;
  color: rgba(255, 255, 255, 0.78);
  padding: clamp(48px, 6vw, 72px) 0 32px;
  margin-top: clamp(64px, 8vw, 96px);
}

.footer-container {
  width: min(100% - 48px, var(--container-width));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: clamp(28px, 5vw, 48px);
}

.footer-brand {
  display: grid;
  gap: 16px;
}

.footer-brand p {
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
}

.footer-section h3 {
  color: #fff;
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: var(--font-size-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-section a:hover {
  color: #fff;
}

.footer-contact li {
  display: flex;
  gap: 10px;
}

.footer-bottom {
  width: min(100% - 48px, var(--container-width));
  margin: clamp(28px, 4vw, 40px) auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--font-size-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

/* ===========================================================
   联系页专用组件
   =========================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(32px, 4vw, 48px);
}

.contact-form {
  display: grid;
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 600;
  color: var(--color-neutral-800);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(6, 36, 118, 0.16);
  background: rgba(255, 255, 255, 0.95);
  font-family: inherit;
  font-size: var(--font-size-sm);
  color: var(--color-neutral-700);
  transition: border var(--transition-short), box-shadow var(--transition-short);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 4px rgba(26, 94, 255, 0.16);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(6, 36, 118, 0.12);
  min-height: 320px;
  background: url("../images/NqjyP29HsZNB.png") center/cover no-repeat;
  position: relative;
}

.map-embed::after {
  content: "天津市 · 总部示意";
  position: absolute;
  bottom: 18px;
  left: 20px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: rgba(12, 54, 166, 0.85);
  color: #fff;
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
}

/* ===========================================================
   媒体查询
   =========================================================== */

@media (max-width: 1180px) {
  .footer-container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .header-container {
    height: auto;
    padding: 16px 0;
  }

  nav {
    position: fixed;
    inset: 0 0 0 50%;
    background: rgba(255, 255, 255, 0.98);
    padding: 96px 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    transform: translateX(100%);
    transition: transform var(--transition-long);
  }

  nav.active {
    transform: translateX(0);
  }

  nav > ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  nav > ul > li > a {
    font-size: 1.05rem;
    padding: 8px 0;
  }

  .dropdown-menu {
    position: static;
    box-shadow: none;
    padding: 0 0 8px 12px;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: none;
    background: transparent;
    pointer-events: auto;
  }

  .dropdown-menu::before {
    display: none;
  }

  .dropdown-menu li a {
    padding: 8px 0;
  }

  .hamburger {
    display: flex;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .layout-split,
  .content-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    text-align: left;
  }

  .hero > .container {
    justify-items: start;
  }

  .hero-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 32px, var(--container-width));
  }

  .grid-3,
  .grid-2,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 120px 0 100px;
  }

  .hero-stats {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .page-hero {
    padding: 120px 0 60px;
  }

  .news-card {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }

  footer {
    padding-bottom: 24px;
  }

  .breadcrumb {
    letter-spacing: 0.05em;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}