/* ============================================
   文件名称：style.css
   吉途共享单招 - 全站统一样式表
   ============================================ */

/* ---------- CSS 变量：标准配色 ---------- */
:root {
  --color-primary: #1677ff;      /* 单招蓝 - 主色调 */
  --color-secondary: #36cbcb;    /* 浅青 - 辅助色 */
  --color-accent: #ff7d00;       /* 活力橙 - 点缀色 */
  --color-bg: #f5f7fa;           /* 背景浅灰白 */
  --color-white: #ffffff;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-border: #e8e8e8;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(22, 119, 255, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
  --nav-height: 64px;
  --font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 全局重置与基础排版 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth; /* 锚点平滑滚动 */
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

/* ---------- 通用容器 ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 48px;
}

/* ---------- 通用按钮样式 ---------- */
.btn {
  display: inline-block;
  padding: 12px 32px;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #4096ff);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

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

.btn-accent:hover {
  background: #ff9a2e;
  transform: translateY(-2px);
}

/* ---------- 全站统一简易配图（纯 CSS，无需外部图片文件） ---------- */
.simple-cover {
  display: block;
  width: 100%;
  min-height: 160px;
  height: 100%;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, #4096ff 45%, var(--color-secondary) 100%);
  position: relative;
  overflow: hidden;
}

/* 卡片装饰层 */
.simple-cover::before {
  content: "";
  position: absolute;
  top: 18%;
  left: 10%;
  right: 10%;
  bottom: 28%;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}

/* 底部文字标识 */
.simple-cover::after {
  content: "吉途单招";
  position: absolute;
  bottom: 14%;
  left: 50%;
  transform: translateX(-50%);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  white-space: nowrap;
}

/* 小尺寸简易配图（分类图标、头像等） */
.simple-cover--sm {
  min-height: 56px;
  border-radius: var(--radius-md);
}

.simple-cover--sm::before {
  top: 15%;
  left: 12%;
  right: 12%;
  bottom: 32%;
}

.simple-cover--sm::after {
  font-size: 0.55rem;
  letter-spacing: 0;
  bottom: 10%;
}

.simple-cover--avatar {
  min-height: 80px;
  width: 80px;
  border-radius: 50%;
}

.simple-cover--avatar::after {
  font-size: 0.65rem;
}

/* 配色变体（列表项交替视觉） */
.simple-cover--alt {
  background: linear-gradient(135deg, #722ed1 0%, var(--color-primary) 100%);
}

.simple-cover--warm {
  background: linear-gradient(135deg, var(--color-accent) 0%, #ffb84d 100%);
}

/* ---------- 顶部固定导航栏 ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition), box-shadow var(--transition);
}

/* 默认透明背景（首页首屏） */
.header--transparent {
  background: transparent;
}

/* 滚动后实色背景 */
.header--solid {
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

/* LOGO 文字 */
.header__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.header--transparent .header__logo {
  color: var(--color-white);
}

.header--solid .header__logo {
  color: var(--color-primary);
}

/* 桌面端导航菜单 */
.nav__list {
  display: flex;
  gap: 32px;
}

.nav__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
}

.header--transparent .nav__link {
  color: rgba(255, 255, 255, 0.9);
}

.header--solid .nav__link {
  color: var(--color-text);
}

/* 导航链接悬浮变色 */
.nav__link:hover,
.nav__link--active {
  color: var(--color-primary) !important;
}

.header--transparent .nav__link:hover,
.header--transparent .nav__link--active {
  color: var(--color-secondary) !important;
}

.nav__link--active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

/* 汉堡菜单按钮（移动端） */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.header--transparent .nav__toggle span {
  background: var(--color-white);
}

.header--solid .nav__toggle span {
  background: var(--color-primary);
}

/* 汉堡菜单展开态 */
.nav__toggle--active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

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

.nav__toggle--active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ---------- 首页首屏宣传区 ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, #1677ff 0%, #36cbcb 50%, #69b1ff 100%);
  padding: calc(var(--nav-height) + 40px) 20px 80px;
  position: relative;
  overflow: hidden;
}

/* 首屏装饰圆形 */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.hero::before {
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
}

.hero::after {
  width: 300px;
  height: 300px;
  bottom: -80px;
  left: -80px;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 20px;
  line-height: 1.3;
}

.hero__subtitle {
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 40px;
  line-height: 1.8;
}

/* 立即了解按钮悬浮动效 */
.hero__btn {
  animation: floatBtn 3s ease-in-out infinite;
}

@keyframes floatBtn {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero__btn:hover {
  animation: none;
  transform: translateY(-4px) scale(1.02);
}

/* ---------- 四宫格优势卡片 ---------- */
.advantages__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

/* 卡片上浮 hover 效果 */
.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.advantage-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-white);
  font-weight: 700;
  overflow: hidden;
}

/* 优势卡片内嵌简易配图 */
.advantage-card__icon--img {
  border-radius: var(--radius-md);
  background: none;
}

.advantage-card__icon--img .simple-cover {
  min-height: 64px;
  width: 64px;
  height: 64px;
}

.advantage-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

.advantage-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ---------- 资讯预览卡片 ---------- */
.news-preview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  cursor: pointer;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.news-card__img {
  height: 180px;
}

.news-card__body {
  padding: 20px;
}

.news-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 2px 10px;
  background: rgba(22, 119, 255, 0.1);
  color: var(--color-primary);
  border-radius: 20px;
  margin-bottom: 10px;
}

.news-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.news-card__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- 院校推荐三列布局 ---------- */
.schools-preview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.school-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.school-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.school-card__img {
  height: 160px;
}

.school-card__body {
  padding: 20px;
}

.school-card__name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.school-card__info {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ---------- 数据统计区域 ---------- */
.stats {
  background: linear-gradient(135deg, var(--color-primary), #4096ff);
  padding: 60px 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item__number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.stat-item__label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- 考生口碑评价 ---------- */
.testimonials {
  background: var(--color-white);
}

.testimonial-slider {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.testimonial-slider__content {
  padding: 40px 20px;
}

.testimonial-slider__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 20px;
  overflow: hidden;
  border: 3px solid rgba(22, 119, 255, 0.15);
}

.testimonial-slider__avatar .simple-cover {
  width: 80px;
  height: 80px;
}

.testimonial-slider__text {
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-slider__author {
  font-weight: 600;
  color: var(--color-text);
}

.testimonial-slider__role {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* 评价切换按钮 */
.testimonial-slider__controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.testimonial-slider__btn {
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-primary);
  background: transparent;
  color: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition);
}

.testimonial-slider__btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.testimonial-slider__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.testimonial-slider__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.testimonial-slider__dot--active {
  background: var(--color-primary);
  width: 24px;
  border-radius: 5px;
}

/* ---------- 内页通用页头横幅 ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  padding: calc(var(--nav-height) + 60px) 20px 60px;
  text-align: center;
}

.page-hero__title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.page-hero__desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
}

/* ---------- 分类标签栏 ---------- */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-tab {
  padding: 8px 20px;
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-light);
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-tab:hover,
.filter-tab--active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ---------- 资讯列表布局 ---------- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-item {
  display: flex;
  gap: 24px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.news-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.news-item__img {
  width: 280px;
  min-height: 180px;
  flex-shrink: 0;
}

.news-item__body {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-item__meta {
  display: flex;
  gap: 16px;
  margin-bottom: 10px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.news-item__tag {
  color: var(--color-primary);
  font-weight: 500;
}

.news-item__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

.news-item__excerpt {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.news-item__link {
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 500;
}

.news-item__link:hover {
  color: var(--color-accent);
}

/* ---------- 院校筛选与列表 ---------- */
.school-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
  padding: 24px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.school-filters__group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.school-filters__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-right: 4px;
}

.filter-btn {
  padding: 6px 16px;
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn--active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.school-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.school-item {
  display: flex;
  gap: 24px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.school-item:hover {
  box-shadow: var(--shadow-md);
}

.school-item__img {
  width: 240px;
  min-height: 200px;
  flex-shrink: 0;
}

.school-item__body {
  flex: 1;
  padding: 24px;
}

.school-item__name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
}

.school-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.school-item__tag {
  font-size: 0.8rem;
  padding: 2px 10px;
  background: rgba(54, 203, 203, 0.15);
  color: var(--color-secondary);
  border-radius: 4px;
}

.school-item__detail {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.school-item__detail strong {
  color: var(--color-text);
}

/* 院校隐藏态（筛选） */
.school-item--hidden {
  display: none;
}

/* ---------- 题库分类与列表 ---------- */
.exercise-categories {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.exercise-category {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.exercise-category:hover,
.exercise-category--active {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.exercise-category__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.exercise-category__icon .simple-cover {
  min-height: 56px;
  width: 56px;
  border-radius: var(--radius-md);
}

.exercise-category__name {
  font-size: 1rem;
  font-weight: 600;
}

.exercise-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.exercise-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.exercise-item:hover {
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-primary);
}

.exercise-item__info h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.exercise-item__info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.exercise-item--hidden {
  display: none;
}

/* ---------- 报考指导页面布局 ---------- */
.service-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: start;
}

.service-content__block {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.service-content__block h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-bg);
}

.service-content__block ol,
.service-content__block ul {
  padding-left: 20px;
}

.service-content__block li {
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.service-content__block li strong {
  color: var(--color-text);
}

/* 咨询留言表单 */
.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: calc(var(--nav-height) + 20px);
}

.contact-form__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.contact-form__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-text);
}

.form-group label .required {
  color: #ff4d4f;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
  background: var(--color-bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
}

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

.form-group--error input,
.form-group--error select,
.form-group--error textarea {
  border-color: #ff4d4f;
}

.form-error {
  font-size: 0.8rem;
  color: #ff4d4f;
  margin-top: 4px;
  display: none;
}

.form-group--error .form-error {
  display: block;
}

.contact-form .btn-primary {
  width: 100%;
  padding: 14px;
}

/* ---------- 全站通用底部页脚 ---------- */
.footer {
  background: #1a1a2e;
  color: rgba(255, 255, 255, 0.75);
  padding: 60px 0 24px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer__brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__intro {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
}

.footer__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--color-secondary);
}

.footer__contact p {
  font-size: 0.9rem;
  margin-bottom: 10px;
  line-height: 1.6;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 查看更多链接 ---------- */
.section-more {
  text-align: center;
  margin-top: 40px;
}

/* ---------- 响应式：平板 ---------- */
@media (max-width: 992px) {
  .advantages__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-preview__grid,
  .schools-preview__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

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

  .exercise-categories .exercise-category:last-child {
    grid-column: span 2;
  }

  .service-layout {
    grid-template-columns: 1fr;
  }

  .contact-form {
    position: static;
  }

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

  .news-item {
    flex-direction: column;
  }

  .news-item__img {
    width: 100%;
    height: 200px;
  }

  .school-item {
    flex-direction: column;
  }

  .school-item__img {
    width: 100%;
    height: 180px;
  }
}

/* ---------- 响应式：手机移动端 ---------- */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  /* 汉堡菜单显示 */
  .nav__toggle {
    display: flex;
  }

  .nav__list {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 20px;
    gap: 0;
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav__list--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav__link {
    display: block;
    padding: 16px 0;
    color: var(--color-text) !important;
  }

  .header--transparent .header__logo {
    color: var(--color-primary);
  }

  .advantages__grid,
  .news-preview__grid,
  .schools-preview__grid {
    grid-template-columns: 1fr;
  }

  .stats__grid {
    grid-template-columns: 1fr 1fr;
  }

  .exercise-list {
    grid-template-columns: 1fr;
  }

  .exercise-categories {
    grid-template-columns: 1fr 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .school-filters {
    flex-direction: column;
  }

  .filter-tabs {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .stats__grid {
    grid-template-columns: 1fr;
  }

  .exercise-categories {
    grid-template-columns: 1fr;
  }
}