/* ============================================
   恒顺橡塑橡胶制品有限公司 — 工业设计系统
   Heavy Industrial Design System
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: #2f3b4b;
  background-color: #f4f6f8;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

/* --- Design Tokens --- */
:root {
  --c-primary: #202c3c;
  --c-accent-bronze: #c49b5e;
  --c-accent-red: #b82e2e;
  --c-neutral-dark: #2f3b4b;
  --c-neutral-mid: #5a6676;
  --c-neutral-light: #f4f6f8;
  --c-white: #ffffff;
  --c-border: #d8dde3;
  --c-card-bg: #eef1f5;
  --c-card-border: #cdd3da;
  --c-shadow: rgba(32, 44, 60, 0.12);
  --c-shadow-heavy: rgba(32, 44, 60, 0.2);

  --radius: 4px;
  --radius-sm: 2px;

  --transition-duration: 250ms;
  --transition-property: transform, opacity;

  --container-max: 1200px;
  --container-px: 16px;
  --container-px-md: 32px;

  --section-py: 48px;
  --section-py-md: 80px;

  --font-heading: 'Inter', 'Noto Sans SC', sans-serif;
  --font-heading-weight: 700;
  --font-heading-spacing: -0.5px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  letter-spacing: var(--font-heading-spacing);
  color: var(--c-primary);
}

h1 { font-size: 48px; line-height: 1.15; }
h2 { font-size: 36px; line-height: 1.2; }
h3 { font-size: 24px; line-height: 1.3; }
h4 { font-size: 20px; line-height: 1.4; }
h5 { font-size: 18px; line-height: 1.4; }
h6 { font-size: 16px; line-height: 1.5; }

@media (max-width: 768px) {
  h1 { font-size: 32px; }
  h2 { font-size: 28px; }
  h3 { font-size: 20px; }
  h4 { font-size: 18px; }
}

@media (max-width: 360px) {
  h1 { font-size: 26px; }
  h2 { font-size: 24px; }
  h3 { font-size: 18px; }
}

/* --- Layout --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--container-px-md);
    padding-right: var(--container-px-md);
  }
}

.section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--section-py-md);
    padding-bottom: var(--section-py-md);
  }
}

/* --- Section Header --- */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 12px;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--c-accent-bronze);
  margin: 12px auto 0;
  border-radius: 0;
}

.section-header .section-subtitle {
  font-size: 16px;
  color: var(--c-neutral-mid);
  max-width: 600px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: 56px;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: var(--font-heading-spacing);
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
  transition-timing-function: ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(2px);
}

.btn-primary {
  background: var(--c-primary);
  color: var(--c-white);
  border-color: var(--c-primary);
}

.btn-primary:hover {
  background: #1a2433;
  border-color: #1a2433;
}

.btn-bronze {
  background: var(--c-accent-bronze);
  color: var(--c-white);
  border-color: var(--c-accent-bronze);
}

.btn-bronze:hover {
  background: #b08a50;
  border-color: #b08a50;
}

.btn-red {
  background: var(--c-accent-red);
  color: var(--c-white);
  border-color: var(--c-accent-red);
}

.btn-red:hover {
  background: #a02727;
  border-color: #a02727;
}

.btn-outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}

.btn-outline:hover {
  background: var(--c-primary);
  color: var(--c-white);
}

.btn-outline-bronze {
  background: transparent;
  color: var(--c-accent-bronze);
  border-color: var(--c-accent-bronze);
}

.btn-outline-bronze:hover {
  background: var(--c-accent-bronze);
  color: var(--c-white);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 13px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 17px;
}

/* --- Cards --- */
.card {
  background: var(--c-white);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  padding: 24px;
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
  transition-timing-function: ease;
  box-shadow: 0 2px 8px var(--c-shadow);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--c-shadow-heavy);
}

.card-img-top {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  background: var(--c-card-bg);
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 8px;
}

.card-text {
  font-size: 14px;
  color: var(--c-neutral-mid);
  line-height: 1.6;
}

.card-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  background: var(--c-card-bg);
  color: var(--c-neutral-dark);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--c-primary);
  border-bottom: 2px solid var(--c-accent-bronze);
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--c-accent-bronze);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  color: var(--c-white);
}

.navbar-logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--c-white);
  letter-spacing: var(--font-heading-spacing);
  line-height: 1.2;
}

.navbar-logo-text small {
  font-size: 12px;
  color: var(--c-accent-bronze);
  display: block;
  font-weight: 400;
}

.navbar-nav {
  display: none;
  align-items: center;
  gap: 32px;
}

@media (min-width: 1024px) {
  .navbar-nav {
    display: flex;
  }
}

.navbar-nav a {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: var(--font-heading-spacing);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition-property: var(--transition-property), border-color;
  transition-duration: var(--transition-duration);
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--c-white);
  border-bottom-color: var(--c-accent-bronze);
}

.navbar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--c-white);
  font-size: 20px;
}

@media (min-width: 1024px) {
  .navbar-toggle {
    display: none;
  }
}

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: var(--c-primary);
  opacity: 0;
  pointer-events: none;
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--container-px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-menu-close {
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--c-white);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-nav {
  padding: 24px var(--container-px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-menu-nav a {
  font-size: 18px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
}

.mobile-menu-nav a:hover,
.mobile-menu-nav a.active {
  color: var(--c-accent-bronze);
  transform: translateX(4px);
}

/* --- Hero Banner --- */
.hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  background: var(--c-primary);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(32,44,60,0.95) 0%, rgba(32,44,60,0.7) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 120px;
  padding-bottom: 60px;
}

@media (min-width: 768px) {
  .hero {
    min-height: 560px;
  }
  .hero-content {
    padding-top: 140px;
    padding-bottom: 80px;
  }
}

.hero h1 {
  color: var(--c-white);
  margin-bottom: 16px;
}

.hero .hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  max-width: 520px;
}

@media (max-width: 768px) {
  .hero .hero-subtitle {
    font-size: 15px;
  }
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(196,155,94,0.2);
  border: 1px solid var(--c-accent-bronze);
  color: var(--c-accent-bronze);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  margin-bottom: 24px;
}

/* --- Grid System --- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- Stats Bar --- */
.stats-bar {
  background: var(--c-primary);
  padding: 32px 0;
  border-top: 2px solid var(--c-accent-bronze);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 900;
  color: var(--c-accent-bronze);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  font-weight: 400;
}

@media (max-width: 360px) {
  .stat-number { font-size: 28px; }
}

/* --- Product Category --- */
.product-cat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 24px;
  background: var(--c-white);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
}

.product-cat:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px var(--c-shadow-heavy);
  border-color: var(--c-accent-bronze);
}

.product-cat-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-card-bg);
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 24px;
  color: var(--c-accent-bronze);
}

.product-cat-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 8px;
  text-align: center;
}

.product-cat-desc {
  font-size: 13px;
  color: var(--c-neutral-mid);
  text-align: center;
}

/* --- Feature Block --- */
.feature-block {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 768px) {
  .feature-block {
    flex-direction: row;
    align-items: center;
    gap: 48px;
  }
}

.feature-block.reverse {
  flex-direction: column;
}

@media (min-width: 768px) {
  .feature-block.reverse {
    flex-direction: row-reverse;
  }
}

.feature-img {
  flex: 1;
  min-width: 0;
  aspect-ratio: 16/10;
  background: var(--c-card-bg);
  border-radius: var(--radius);
  overflow: hidden;
}

.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-text {
  flex: 1;
  min-width: 0;
}

.feature-text h3 {
  margin-bottom: 12px;
}

.feature-text p {
  color: var(--c-neutral-mid);
  margin-bottom: 16px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--c-neutral-dark);
}

.feature-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--c-accent-bronze);
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- Timeline --- */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--c-card-border);
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--c-accent-bronze);
  border-radius: 50%;
  border: 2px solid var(--c-white);
  transform: translateX(2px);
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-accent-bronze);
  margin-bottom: 4px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--c-neutral-mid);
}

/* --- Tabs --- */
.tabs-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tab-btn {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  background: var(--c-card-bg);
  color: var(--c-neutral-dark);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
}

.tab-btn:hover {
  transform: translateY(1px);
  background: var(--c-neutral-light);
}

.tab-btn.active {
  background: var(--c-primary);
  color: var(--c-white);
  border-color: var(--c-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* --- Page Banner (Sub Pages) --- */
.page-banner {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
  background: var(--c-primary);
  overflow: hidden;
}

@media (min-width: 768px) {
  .page-banner { min-height: 320px; }
}

.page-banner-bg {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-size: cover;
  background-position: center;
}

.page-banner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(32,44,60,0.85);
}

.page-banner-content {
  position: relative;
  z-index: 2;
  padding-top: 100px;
  padding-bottom: 40px;
}

@media (min-width: 768px) {
  .page-banner-content {
    padding-top: 120px;
    padding-bottom: 60px;
  }
}

.page-banner h1 {
  color: var(--c-white);
  margin-bottom: 12px;
}

.page-banner .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}

.page-banner .breadcrumb a {
  color: rgba(255,255,255,0.6);
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
}

.page-banner .breadcrumb a:hover {
  color: var(--c-accent-bronze);
}

.page-banner .breadcrumb .sep {
  color: rgba(255,255,255,0.3);
}

.page-banner .breadcrumb .current {
  color: var(--c-accent-bronze);
}

/* --- Breadcrumb Strip (below banner) --- */
.breadcrumb-strip {
  background: var(--c-white);
  border-bottom: 1px solid var(--c-card-border);
  padding: 12px 0;
}

.breadcrumb-strip .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-neutral-mid);
}

.breadcrumb-strip .breadcrumb a {
  color: var(--c-neutral-mid);
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
}

.breadcrumb-strip .breadcrumb a:hover {
  color: var(--c-accent-bronze);
}

.breadcrumb-strip .breadcrumb .sep {
  color: var(--c-border);
}

.breadcrumb-strip .breadcrumb .current {
  color: var(--c-primary);
  font-weight: 600;
}

/* --- Footer --- */
.footer {
  background: var(--c-primary);
  border-top: 2px solid var(--c-accent-bronze);
  padding-top: var(--section-py);
  padding-bottom: 24px;
}

@media (min-width: 768px) {
  .footer {
    padding-top: var(--section-py-md);
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
  }
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 12px;
}

.footer-brand-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  margin-bottom: 16px;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
}

.footer-links a:hover {
  color: var(--c-accent-bronze);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
}

.footer-contact-icon {
  flex-shrink: 0;
  color: var(--c-accent-bronze);
  width: 16px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* --- Floating Customer Service --- */
.float-service {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

@media (max-width: 768px) {
  .float-service {
    right: 8px;
    top: auto;
    bottom: 16px;
    transform: none;
  }
}

.float-service-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--c-primary);
  border: 1px solid var(--c-accent-bronze);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--c-white);
  font-size: 18px;
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
  position: relative;
}

.float-service-item:hover {
  background: var(--c-accent-bronze);
  transform: translateY(-2px);
}

.float-service-tooltip {
  position: absolute;
  right: 56px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--c-white);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 13px;
  color: var(--c-primary);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
  box-shadow: 0 4px 12px var(--c-shadow);
}

.float-service-item:hover .float-service-tooltip {
  opacity: 1;
  pointer-events: auto;
}

/* WeChat QR Popup */
.float-wechat-popup {
  position: fixed;
  right: 80px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 950;
  background: var(--c-white);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
  box-shadow: 0 8px 24px var(--c-shadow-heavy);
}

.float-wechat-popup.open {
  opacity: 1;
  pointer-events: auto;
}

.float-wechat-popup h4 {
  font-size: 14px;
  margin-bottom: 12px;
  text-align: center;
}

.float-wechat-qr {
  width: 160px;
  height: 160px;
  background: var(--c-card-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-neutral-mid);
  font-size: 13px;
  text-align: center;
}

.float-wechat-popup-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  background: var(--c-card-bg);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  color: var(--c-neutral-mid);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 32px 0;
}

.pagination-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--c-white);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-neutral-dark);
  cursor: pointer;
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
}

.pagination-btn:hover {
  background: var(--c-primary);
  color: var(--c-white);
  border-color: var(--c-primary);
  transform: translateY(1px);
}

.pagination-btn.active {
  background: var(--c-primary);
  color: var(--c-white);
  border-color: var(--c-primary);
}

.pagination-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-btn.disabled:hover {
  background: var(--c-white);
  color: var(--c-neutral-dark);
  border-color: var(--c-card-border);
  transform: none;
}

/* --- Form Styles --- */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 6px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--c-white);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--c-neutral-dark);
  transition-property: border-color;
  transition-duration: var(--transition-duration);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--c-accent-bronze);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* --- Badge / Label --- */
.badge-bronze {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(196,155,94,0.15);
  color: var(--c-accent-bronze);
  border-radius: var(--radius-sm);
}

.badge-red {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(184,46,46,0.12);
  color: var(--c-accent-red);
  border-radius: var(--radius-sm);
}

/* --- Divider --- */
.divider {
  border: none;
  height: 1px;
  background: var(--c-card-border);
  margin: 24px 0;
}

.divider-bronze {
  border: none;
  height: 2px;
  background: var(--c-accent-bronze);
  max-width: 48px;
  margin: 16px 0;
}

/* --- Sidebar --- */
.sidebar {
  display: none;
}

@media (min-width: 1024px) {
  .page-with-sidebar {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 40px;
  }

  .sidebar {
    display: block;
  }
}

.sidebar-section {
  background: var(--c-white);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--c-accent-bronze);
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-links a {
  font-size: 14px;
  color: var(--c-neutral-mid);
  padding: 6px 0;
  border-bottom: 1px solid var(--c-card-bg);
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
}

.sidebar-links a:hover {
  color: var(--c-accent-bronze);
  transform: translateX(4px);
}

/* --- Table --- */
.table-wrapper {
  background: var(--c-white);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table th {
  background: var(--c-primary);
  color: var(--c-white);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
}

.spec-table td {
  font-size: 14px;
  color: var(--c-neutral-dark);
  padding: 12px 16px;
  border-bottom: 1px solid var(--c-card-bg);
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table tr:hover td {
  background: var(--c-neutral-light);
}

/* --- News Card --- */
.news-card {
  display: flex;
  flex-direction: column;
  background: var(--c-white);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  transition-property: var(--transition-property);
  transition-duration: var(--transition-duration);
  box-shadow: 0 2px 8px var(--c-shadow);
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px var(--c-shadow-heavy);
}

@media (min-width: 768px) {
  .news-card {
    flex-direction: row;
  }
}

.news-card-img {
  flex-shrink: 0;
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--c-card-bg);
  overflow: hidden;
}

@media (min-width: 768px) {
  .news-card-img {
    width: 240px;
    aspect-ratio: auto;
    height: 100%;
  }
}

.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-card-body {
  flex: 1;
  padding: 20px;
}

.news-card-date {
  font-size: 13px;
  color: var(--c-accent-bronze);
  font-weight: 600;
  margin-bottom: 8px;
}

.news-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.news-card-text {
  font-size: 14px;
  color: var(--c-neutral-mid);
  line-height: 1.6;
}

/* --- News Detail --- */
.news-detail-content {
  background: var(--c-white);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  padding: 32px;
}

@media (max-width: 768px) {
  .news-detail-content {
    padding: 20px;
  }
}

.news-detail-content .news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--c-neutral-mid);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-card-border);
}

.news-detail-content .news-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-neutral-dark);
}

.news-detail-content .news-body p {
  margin-bottom: 16px;
}

/* --- Map Placeholder --- */
.map-placeholder {
  width: 100%;
  height: 360px;
  background: var(--c-card-bg);
  border: 1px solid var(--c-card-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-neutral-mid);
  font-size: 15px;
}

/* --- Icon helpers (inline SVG placeholder) --- */
.icon-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 14px;
}

.icon-placeholder-lg {
  width: 24px;
  height: 24px;
  font-size: 18px;
}

/* --- Utility Classes --- */
.text-primary { color: var(--c-primary); }
.text-bronze { color: var(--c-accent-bronze); }
.text-red { color: var(--c-accent-red); }
.text-muted { color: var(--c-neutral-mid); }
.text-white { color: var(--c-white); }
.text-center { text-align: center; }

.bg-primary { background: var(--c-primary); }
.bg-white { background: var(--c-white); }
.bg-light { background: var(--c-neutral-light); }

.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-40 { margin-bottom: 40px; }

.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

.pt-0 { padding-top: 0; }

.hidden-mobile {
  display: none;
}

@media (min-width: 768px) {
  .hidden-mobile { display: block; }
}