/* ==========================================
   组件样式 - 头部、导航、页脚
   ========================================== */

/* -----------------------------------------
   顶部信息栏
   ----------------------------------------- */
.top-bar {
  background: var(--primary-color);
  color: var(--white);
  font-size: 0.875rem;
  padding: var(--spacing-sm) 0;
}

.top-bar__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.top-bar__left {
  display: flex;
  gap: var(--spacing-xl);
}

.top-bar__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: rgba(255, 255, 255, 0.9);
}

.top-bar__item i {
  color: var(--accent-color);
}

.top-bar__right {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--white);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--accent-color);
  color: var(--white);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .top-bar__content {
    justify-content: center;
    text-align: center;
  }

  .top-bar__left {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .top-bar__right {
    display: none;
  }
}

/* -----------------------------------------
   头部 / Logo 区域
   ----------------------------------------- */
.header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
}

.logo__icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  font-family: var(--font-serif);
  font-weight: 700;
}

.logo__text {
  display: flex;
  flex-direction: column;
}

.logo__name {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.2;
}

.logo__slogan {
  font-size: 0.75rem;
  color: var(--gray-500);
  letter-spacing: 2px;
}

/* -----------------------------------------
   导航菜单
   ----------------------------------------- */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav__list {
  display: flex;
  gap: var(--spacing-lg);
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) 0;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition-fast);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--accent-color);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width var(--transition-normal);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

.nav__cta {
  margin-left: var(--spacing-lg);
}

/* 汉堡菜单按钮 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle__line {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.menu-toggle.is-active .menu-toggle__line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.is-active .menu-toggle__line:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active .menu-toggle__line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 992px) {
  .nav__list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-4xl) var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-normal);
    z-index: 1001;
  }

  .nav__list.is-active {
    right: 0;
  }

  .nav__item {
    width: 100%;
  }

  .nav__link {
    padding: var(--spacing-md) 0;
    font-size: 1.125rem;
    border-bottom: 1px solid var(--gray-200);
  }

  .nav__link::after {
    display: none;
  }

  .nav__cta {
    margin-left: 0;
    margin-top: var(--spacing-xl);
    width: 100%;
  }

  .nav__cta .btn {
    width: 100%;
  }

  .menu-toggle {
    display: flex;
    z-index: 1002;
  }

  /* 移动端遮罩层 */
  .nav__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
  }

  .nav__overlay.is-active {
    opacity: 1;
    visibility: visible;
  }
}

/* -----------------------------------------
   Hero 区域
   ----------------------------------------- */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1589829545856-d10d557cf95f?w=1920&q=80') center/cover;
  opacity: 0.15;
}

.hero__pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(184, 134, 11, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(184, 134, 11, 0.08) 0%, transparent 40%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  color: var(--white);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xl);
  backdrop-filter: blur(10px);
}

.hero__badge i {
  color: var(--accent-color);
}

.hero__title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--spacing-lg);
  color: var(--white);
}

.hero__title span {
  color: var(--accent-color);
}

.hero__subtitle {
  font-size: 1.25rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
  color: rgba(255, 255, 255, 0.9);
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero__decoration {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  height: 80%;
  opacity: 0.1;
}

@media (max-width: 992px) {
  .hero {
    min-height: 70vh;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .hero__decoration {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 60vh;
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__buttons {
    justify-content: center;
  }
}

/* -----------------------------------------
   页面标题区
   ----------------------------------------- */
.page-hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  padding: var(--spacing-4xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1589829545856-d10d557cf95f?w=1920&q=80') center/cover;
  opacity: 0.1;
}

.page-hero__content {
  position: relative;
  z-index: 1;
  color: var(--white);
}

.page-hero__title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.page-hero__breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: 0.9375rem;
  opacity: 0.8;
}

.page-hero__breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
}

.page-hero__breadcrumb a:hover {
  color: var(--accent-color);
}

.page-hero__separator {
  color: var(--accent-color);
}

@media (max-width: 768px) {
  .page-hero {
    padding: var(--spacing-3xl) 0;
  }

  .page-hero__title {
    font-size: 1.75rem;
  }
}

/* -----------------------------------------
   页面内导航
   ----------------------------------------- */
.sub-nav {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.sub-nav__list {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-md) 0;
  overflow-x: auto;
}

.sub-nav__link {
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 500;
  color: var(--gray-600);
  white-space: nowrap;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.sub-nav__link:hover,
.sub-nav__link.is-active {
  color: var(--primary-color);
  background: var(--gray-50);
}

/* -----------------------------------------
   律师卡片
   ----------------------------------------- */
.attorney-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.attorney-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.attorney-card__image {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.attorney-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.attorney-card:hover .attorney-card__image img {
  transform: scale(1.05);
}

.attorney-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 54, 93, 0.8), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.attorney-card:hover .attorney-card__overlay {
  opacity: 1;
}

.attorney-card__specialty {
  position: absolute;
  bottom: var(--spacing-md);
  left: var(--spacing-md);
  right: var(--spacing-md);
  color: var(--white);
  font-size: 0.875rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-normal);
}

.attorney-card:hover .attorney-card__specialty {
  opacity: 1;
  transform: translateY(0);
}

.attorney-card__body {
  padding: var(--spacing-xl);
  text-align: center;
}

.attorney-card__name {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--gray-900);
}

.attorney-card__position {
  color: var(--accent-color);
  font-weight: 500;
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-sm);
}

.attorney-card__desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.attorney-card__footer {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--gray-100);
  margin-top: var(--spacing-md);
}

.attorney-card__social {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  border-radius: 50%;
  color: var(--gray-600);
  transition: all var(--transition-fast);
}

.attorney-card__social:hover {
  background: var(--primary-color);
  color: var(--white);
}

/* -----------------------------------------
   服务领域卡片
   ----------------------------------------- */
.practice-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-normal);
  text-align: center;
}

.practice-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-color);
}

.practice-card__icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--white);
}

.practice-card:hover .practice-card__icon {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
}

.practice-card__title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  color: var(--gray-900);
}

.practice-card__desc {
  font-size: 0.9375rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* -----------------------------------------
   统计卡片
   ----------------------------------------- */
.stat-card {
  text-align: center;
  padding: var(--spacing-2xl);
}

.stat-card__number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-serif);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.stat-card__number span {
  color: var(--accent-color);
}

.stat-card__label {
  font-size: 1rem;
  color: var(--gray-500);
}

.stat-card__divider {
  width: 50px;
  height: 3px;
  background: var(--accent-color);
  margin: var(--spacing-md) auto 0;
  border-radius: 2px;
}

/* -----------------------------------------
   发展历程时间线
   ----------------------------------------- */
.timeline {
  position: relative;
  padding-left: var(--spacing-2xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--spacing-2xl);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__marker {
  position: absolute;
  left: calc(-1 * var(--spacing-2xl) + 0);
  width: 16px;
  height: 16px;
  background: var(--white);
  border: 3px solid var(--accent-color);
  border-radius: 50%;
}

.timeline__year {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: var(--spacing-xs);
}

.timeline__title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
  color: var(--gray-900);
}

.timeline__desc {
  font-size: 0.9375rem;
  color: var(--gray-500);
}

/* -----------------------------------------
   荣誉资质
   ----------------------------------------- */
.honor-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-normal);
}

.honor-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-3px);
}

.honor-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: var(--gray-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--accent-color);
}

.honor-card__title {
  font-size: 1rem;
  color: var(--gray-900);
}

/* -----------------------------------------
   客户评价
   ----------------------------------------- */
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-xl);
  font-size: 5rem;
  font-family: var(--font-serif);
  color: var(--gray-100);
  line-height: 1;
}

.testimonial-card__quote {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial-card__avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-card__info {
  flex: 1;
}

.testimonial-card__name {
  font-weight: 600;
  color: var(--gray-900);
}

.testimonial-card__role {
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* -----------------------------------------
   联系表单
   ----------------------------------------- */
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--gray-700);
}

.form-label span {
  color: var(--accent-color);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  background: var(--white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-400);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 576px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--primary-color);
}

.form-checkbox label {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.form-checkbox a {
  color: var(--primary-color);
}

/* -----------------------------------------
   联系信息卡片
   ----------------------------------------- */
.contact-info-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.contact-info-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--gray-100);
}

.contact-info-item:last-child {
  border-bottom: none;
}

.contact-info-item__icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info-item__label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: var(--spacing-xs);
}

.contact-info-item__value {
  font-size: 1rem;
  color: var(--gray-900);
  font-weight: 500;
}

.contact-info-item__value a {
  color: var(--gray-900);
}

.contact-info-item__value a:hover {
  color: var(--accent-color);
}

/* -----------------------------------------
   CTA 区域
   ----------------------------------------- */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  padding: var(--spacing-4xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1589829545856-d10d557cf95f?w=1920&q=80') center/cover;
  opacity: 0.1;
}

.cta-section__content {
  position: relative;
  z-index: 1;
  color: var(--white);
}

.cta-section__title {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.cta-section__desc {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section__buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .cta-section__title {
    font-size: 1.75rem;
  }

  .cta-section__desc {
    font-size: 1rem;
  }
}

/* -----------------------------------------
   页脚
   ----------------------------------------- */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
}

.footer__top {
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-3xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer__logo-icon {
  width: 45px;
  height: 45px;
  background: var(--accent-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.25rem;
}

.footer__logo-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
}

.footer__desc {
  font-size: 0.9375rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.footer__social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-300);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--accent-color);
  color: var(--white);
}

.footer__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--accent-color);
  display: inline-block;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__link {
  color: var(--gray-300);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.footer__link:hover {
  color: var(--accent-color);
  padding-left: var(--spacing-sm);
}

.footer__contact-item {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: 0.9375rem;
}

.footer__contact-item i {
  color: var(--accent-color);
  margin-top: 4px;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg) 0;
}

.footer__bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__copyright {
  font-size: 0.875rem;
}

.footer__legal {
  display: flex;
  gap: var(--spacing-lg);
}

.footer__legal a {
  color: var(--gray-400);
  font-size: 0.875rem;
}

.footer__legal a:hover {
  color: var(--accent-color);
}

@media (max-width: 992px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__brand {
    grid-column: span 2;
    max-width: 100%;
  }
}

@media (max-width: 576px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__brand {
    grid-column: span 1;
  }

  .footer__bottom-content {
    flex-direction: column;
    text-align: center;
  }
}

/* -----------------------------------------
   面包屑导航
   ----------------------------------------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-lg);
}

.breadcrumb__item {
  color: var(--gray-500);
}

.breadcrumb__item a {
  color: var(--gray-600);
}

.breadcrumb__item a:hover {
  color: var(--accent-color);
}

.breadcrumb__separator {
  color: var(--gray-300);
}

.breadcrumb__item--active {
  color: var(--primary-color);
  font-weight: 500;
}

/* -----------------------------------------
   标签页
   ----------------------------------------- */
.tabs {
  display: flex;
  gap: var(--spacing-sm);
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: var(--spacing-xl);
  overflow-x: auto;
}

.tab-btn {
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: 500;
  color: var(--gray-500);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--primary-color);
}

.tab-btn.is-active {
  color: var(--accent-color);
  border-bottom-color: var(--accent-color);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* -----------------------------------------
   折叠面板
   ----------------------------------------- */
.accordion__item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.accordion__header {
  width: 100%;
  padding: var(--spacing-lg);
  background: var(--white);
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-fast);
}

.accordion__header:hover {
  background: var(--gray-50);
}

.accordion__header i {
  transition: transform var(--transition-fast);
}

.accordion__item.is-active .accordion__header {
  background: var(--primary-color);
  color: var(--white);
}

.accordion__item.is-active .accordion__header i {
  transform: rotate(180deg);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.accordion__item.is-active .accordion__content {
  max-height: 500px;
}

.accordion__body {
  padding: var(--spacing-lg);
  background: var(--gray-50);
}

/* -----------------------------------------
   徽章
   ----------------------------------------- */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge--primary {
  background: rgba(26, 54, 93, 0.1);
  color: var(--primary-color);
}

.badge--accent {
  background: rgba(184, 134, 11, 0.1);
  color: var(--accent-color);
}

.badge--success {
  background: rgba(72, 187, 120, 0.1);
  color: #48bb78;
}

/* -----------------------------------------
   分页
   ----------------------------------------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-2xl);
}

.pagination__item {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--gray-600);
  transition: all var(--transition-fast);
}

.pagination__item:hover {
  background: var(--gray-100);
  color: var(--primary-color);
}

.pagination__item.is-active {
  background: var(--primary-color);
  color: var(--white);
}

.pagination__item.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* -----------------------------------------
   返回顶部
   ----------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent-color);
  transform: translateY(-3px);
}