/* ===================================================
   名师荟高考 - 主样式文件 main.css
   设计理念：高端大气、干净整洁、教育权威感
   =================================================== */

/* ===== CSS 变量 ===== */
:root {
    --color-primary: #60237f;
    --color-primary-light: #7d3a9a;
    --color-primary-dark: #4a1a63;
    --color-accent: #c8a45c;
    --color-accent-light: #d9b876;
    --color-accent-dark: #a8843c;
    --color-bg: #f7f8fa;
    --color-bg-alt: #eef2f7;
    --color-white: #ffffff;
    --color-text: #2c3e50;
    --color-text-muted: #6c7a89;
    --color-text-light: #95a5a6;
    --color-border: #e0e6ed;
    --color-success: #27ae60;
    --color-danger: #e74c3c;
    --color-shadow: rgba(96, 35, 127, 0.08);
    --color-shadow-hover: rgba(96, 35, 127, 0.15);
    --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
    --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
    --header-height: 72px;
}

/* ===== 重置与基础 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.3;
}

/* ===== 容器 ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 通用按钮 ===== */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    letter-spacing: 1px;
}

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

.btn-primary:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 164, 92, 0.4);
}

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

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

.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-lg {
    padding: 16px 40px;
    font-size: 17px;
}

.btn-block {
    width: 100%;
}

/* ===== 顶部公告栏 ===== */
.top-bar {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    padding: 8px 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-info {
    display: flex;
    gap: 24px;
}

.top-bar-info span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-info svg {
    width: 14px;
    height: 14px;
    fill: var(--color-accent);
}

.top-bar-links {
    display: flex;
    gap: 16px;
}

.top-bar-links a:hover {
    color: var(--color-accent);
}

/* ===== 导航栏 ===== */
.header {
    background: var(--color-white);
    box-shadow: 0 2px 12px var(--color-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 4px 20px var(--color-shadow-hover);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text .name {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 2px;
}

.logo-text .slogan {
    font-size: 11px;
    color: var(--color-text-muted);
    letter-spacing: 3px;
}

.nav-menu {
    display: flex;
    gap: 4px;
    align-items: center;
}

.nav-menu > li > a {
    display: block;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
}

.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: var(--color-primary);
}

.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
    width: 24px;
}

/* 下拉菜单 */
.nav-menu .has-dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    min-width: 180px;
    box-shadow: 0 8px 30px var(--color-shadow-hover);
    border-radius: var(--radius-md);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--color-text);
}

.dropdown a:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
    padding-left: 26px;
}

.nav-cta {
    margin-left: 12px;
}

.nav-cta .btn {
    padding: 10px 24px;
    font-size: 14px;
}

/* 移动端菜单按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 26px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero 区域 ===== */
.hero {
    position: relative;
    min-height: 600px;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(200, 164, 92, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(125, 58, 154, 0.3) 0%, transparent 50%);
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('') center/cover;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--color-white);
    padding: 60px 0;
    width: 100%;
}

.hero-text {
    max-width: 580px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(200, 164, 92, 0.15);
    border: 1px solid rgba(200, 164, 92, 0.3);
    color: var(--color-accent-light);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    font-size: 44px;
    color: var(--color-white);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.hero h1 .highlight {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    line-height: 1.8;
}

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

/* ===== 高考倒计时 ===== */
.countdown-section {
    position: relative;
    z-index: 2;
    margin-top: 40px;
}

.countdown-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.countdown-label {
    color: var(--color-accent-light);
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    white-space: nowrap;
}

.countdown-label .year {
    font-size: 24px;
    color: var(--color-accent);
}

.countdown-timer {
    display: flex;
    gap: 12px;
}

.countdown-item {
    text-align: center;
    min-width: 70px;
}

.countdown-number {
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 32px;
    font-weight: 700;
    font-family: var(--font-serif);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    line-height: 1;
    min-width: 60px;
}

.countdown-unit {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 6px;
    letter-spacing: 2px;
}

.countdown-encourage {
    flex: 1;
    min-width: 200px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.6;
    border-left: 2px solid rgba(200, 164, 92, 0.3);
    padding-left: 20px;
}

.countdown-encourage strong {
    color: var(--color-accent-light);
    display: block;
    font-size: 15px;
    margin-bottom: 4px;
}

/* ===== 区块标题 ===== */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--color-white);
}

.section-title {
    text-align: center;
    margin-bottom: 56px;
}

.section-title .label {
    display: inline-block;
    color: var(--color-accent);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title h2 {
    font-size: 34px;
    color: var(--color-primary);
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.section-title p {
    color: var(--color-text-muted);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.section-title .divider {
    width: 50px;
    height: 3px;
    background: var(--color-accent);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* ===== 获客表单区域 ===== */
.lead-form-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.lead-form-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(200, 164, 92, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.lead-form-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.lead-form-text h2 {
    font-size: 32px;
    color: var(--color-white);
    margin-bottom: 20px;
}

.lead-form-text p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 16px;
    margin-bottom: 24px;
    line-height: 1.8;
}

.lead-form-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.lead-form-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
}

.lead-form-features li svg {
    width: 20px;
    height: 20px;
    fill: var(--color-accent);
    flex-shrink: 0;
}

.lead-form-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.lead-form-card h3 {
    font-size: 24px;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 8px;
}

.lead-form-card .form-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 18px;
}

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

.form-group label .required {
    color: var(--color-danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--color-text);
    transition: var(--transition);
    background: var(--color-bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(200, 164, 92, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-disclaimer {
    font-size: 12px;
    color: var(--color-text-light);
    text-align: center;
    margin-top: 16px;
}

.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.form-success.show {
    display: block;
}

.form-success .check-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-success .check-icon svg {
    width: 32px;
    height: 32px;
    fill: var(--color-white);
}

.form-success h4 {
    font-size: 22px;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--color-text-muted);
}

/* ===== 项目卡片 ===== */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.program-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--color-shadow);
    transition: var(--transition);
    position: relative;
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--color-shadow-hover);
}

.program-card-img {
    height: 200px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.program-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(96, 35, 127, 0.6) 100%);
}

.program-card-img .icon {
    font-size: 56px;
    z-index: 1;
}

.program-card-img .tag {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 50px;
    z-index: 2;
    font-weight: 600;
}

.program-card-body {
    padding: 24px;
}

.program-card-body h3 {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.program-card-body p {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.7;
}

.program-card-features {
    margin-bottom: 20px;
}

.program-card-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text);
    padding: 4px 0;
}

.program-card-features li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 700;
    flex-shrink: 0;
}

.program-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-accent);
    font-size: 14px;
    font-weight: 600;
}

.program-card-link:hover {
    gap: 12px;
    color: var(--color-accent-dark);
}

/* ===== 优势区域 ===== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage-item {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    background: var(--color-bg);
}

.advantage-item:hover {
    background: var(--color-white);
    box-shadow: 0 8px 30px var(--color-shadow-hover);
    transform: translateY(-4px);
}

.advantage-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--color-accent);
}

.advantage-item h3 {
    font-size: 18px;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.advantage-item p {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== 数据统计 ===== */
.stats-section {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    padding: 60px 0;
}

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

.stat-item {
    color: var(--color-white);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-number .suffix {
    font-size: 24px;
}

.stat-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
}

/* ===== 师资团队 ===== */
.teachers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.teacher-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--color-shadow);
    transition: var(--transition);
}

.teacher-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 36px var(--color-shadow-hover);
}

.teacher-avatar {
    height: 260px;
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-border));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    color: var(--color-text-light);
}

.teacher-info {
    padding: 20px;
    text-align: center;
}

.teacher-info h4 {
    font-size: 18px;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.teacher-info .title {
    color: var(--color-accent);
    font-size: 13px;
    margin-bottom: 10px;
}

.teacher-info p {
    color: var(--color-text-muted);
    font-size: 13px;
    line-height: 1.6;
}

/* ===== 新闻动态 ===== */
.news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 24px;
}

.news-featured {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--color-shadow);
    transition: var(--transition);
}

.news-featured:hover {
    box-shadow: 0 12px 36px var(--color-shadow-hover);
}

.news-featured-img {
    height: 280px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    position: relative;
}

.news-featured-img .category-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.news-featured-body {
    padding: 24px;
}

.news-featured-body h3 {
    font-size: 22px;
    color: var(--color-primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-featured-body h3 a:hover {
    color: var(--color-accent);
}

.news-featured-body .excerpt {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.7;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--color-text-light);
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.news-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.news-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: 0 2px 12px var(--color-shadow);
    transition: var(--transition);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.news-item:hover {
    box-shadow: 0 8px 24px var(--color-shadow-hover);
    transform: translateX(4px);
}

.news-item h4 {
    font-size: 16px;
    color: var(--color-text);
    margin-bottom: 8px;
    line-height: 1.5;
}

.news-item h4 a:hover {
    color: var(--color-accent);
}

.news-item .news-meta {
    margin-top: 10px;
}

.news-list-more {
    text-align: center;
    margin-top: 40px;
}

/* ===== 浮动咨询栏 ===== */
.float-consult {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 900;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.float-consult-item {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    position: relative;
}

.float-consult-item:hover {
    background: var(--color-accent);
    transform: scale(1.1);
}

.float-consult-item svg {
    width: 24px;
    height: 24px;
    fill: var(--color-white);
}

.float-consult-item .label {
    font-size: 10px;
    margin-top: 2px;
}

.float-consult-item .tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
}

.float-consult-item:hover .tooltip {
    opacity: 1;
    visibility: visible;
    right: 66px;
}

/* ===== 回到顶部 ===== */
.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 30px;
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 900;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-accent-dark);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    fill: var(--color-white);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

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

.footer-brand .logo-text .name {
    color: var(--color-white);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin: 16px 0;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--color-accent);
}

.footer-social svg {
    width: 20px;
    height: 20px;
    fill: var(--color-white);
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 16px;
    margin-bottom: 20px;
    font-family: var(--font-sans);
    font-weight: 600;
}

.footer-links li {
    margin-bottom: 12px;
}

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

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 14px;
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    fill: var(--color-accent);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
}

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

/* ===== 面包屑 ===== */
.breadcrumb {
    background: var(--color-bg-alt);
    padding: 16px 0;
    font-size: 14px;
}

.breadcrumb ul {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb a {
    color: var(--color-text-muted);
}

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

.breadcrumb .separator {
    color: var(--color-text-light);
    font-size: 12px;
}

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

/* ===== 内页 Hero ===== */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    padding: 60px 0;
    text-align: center;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 30% 50%, rgba(200, 164, 92, 0.1) 0%, transparent 50%);
}

.page-hero h1 {
    position: relative;
    font-size: 36px;
    color: var(--color-white);
    margin-bottom: 12px;
    z-index: 1;
}

.page-hero p {
    position: relative;
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    z-index: 1;
}

/* ===== 项目详情页 ===== */
.program-detail {
    padding: 60px 0;
}

.program-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
}

.program-content h2 {
    font-size: 26px;
    color: var(--color-primary);
    margin: 32px 0 16px;
    padding-left: 16px;
    border-left: 4px solid var(--color-accent);
}

.program-content h2:first-child {
    margin-top: 0;
}

.program-content p {
    color: var(--color-text);
    line-height: 1.9;
    margin-bottom: 16px;
}

.program-content ul {
    margin: 16px 0;
    padding-left: 0;
}

.program-content ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    color: var(--color-text);
    line-height: 1.8;
}

.program-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

.program-sidebar {
    position: sticky;
    top: 90px;
}

.sidebar-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: 0 4px 20px var(--color-shadow);
    margin-bottom: 20px;
}

.sidebar-card h3 {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 16px;
    text-align: center;
}

.sidebar-card .form-group {
    margin-bottom: 14px;
}

.sidebar-card .form-group input,
.sidebar-card .form-group select {
    padding: 10px 14px;
    font-size: 14px;
}

.sidebar-contact {
    text-align: center;
}

.sidebar-contact .phone {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-accent);
    margin: 10px 0;
}

.sidebar-contact .phone-label {
    font-size: 14px;
    color: var(--color-text-muted);
}

.sidebar-contact .divider {
    height: 1px;
    background: var(--color-border);
    margin: 20px 0;
}

.sidebar-contact .wechat {
    font-size: 14px;
    color: var(--color-text);
}

.sidebar-contact .wechat-num {
    font-weight: 600;
    color: var(--color-primary);
}

/* ===== 关于我们页面 ===== */
.about-intro {
    padding: 60px 0;
}

.about-intro-text h2 {
    font-size: 30px;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.about-intro-text p {
    color: var(--color-text);
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-intro-img {
    height: 360px;
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-border));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 18px;
}

.about-values {
    padding: 60px 0;
    background: var(--color-white);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.value-card {
    text-align: center;
    padding: 32px;
}

.value-card .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--color-bg-alt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.value-card h3 {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.value-card p {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.8;
}

/* ===== 时间线 ===== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 40px 40px 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding: 0 0 40px 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    right: -7px;
    top: 6px;
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border-radius: 50%;
    border: 3px solid var(--color-white);
    box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-item:nth-child(even)::before {
    left: -7px;
    right: auto;
}

.timeline-content {
    background: var(--color-white);
    padding: 20px;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 12px var(--color-shadow);
}

.timeline-year {
    color: var(--color-accent);
    font-size: 20px;
    font-weight: 700;
    font-family: var(--font-serif);
    margin-bottom: 6px;
}

.timeline-content h4 {
    font-size: 16px;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.timeline-content p {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ===== 新闻列表页 ===== */
.news-page-layout {
    padding: 60px 0;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-list-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0;
    box-shadow: 0 2px 12px var(--color-shadow);
    transition: var(--transition);
}

.news-list-item:hover {
    box-shadow: 0 8px 24px var(--color-shadow-hover);
}

.news-list-item .thumb {
    height: 140px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
}

.news-list-item .info {
    padding: 20px;
}

.news-list-item .info .date {
    color: var(--color-accent);
    font-size: 13px;
    margin-bottom: 6px;
}

.news-list-item .info h3 {
    font-size: 18px;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.news-list-item .info h3 a:hover {
    color: var(--color-accent);
}

.news-list-item .info p {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.6;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-text);
    transition: var(--transition);
}

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

/* ===== 联系页面 ===== */
.contact-layout {
    padding: 60px 0;
}

.contact-info h2 {
    font-size: 28px;
    color: var(--color-primary);
    margin-bottom: 24px;
    text-align: center;
}

.contact-info-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    align-items: center;
    background: var(--color-white);
    padding: 20px;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 12px var(--color-shadow);
    transition: var(--transition);
}

.contact-info-item:hover {
    box-shadow: 0 6px 20px var(--color-shadow-hover);
    transform: translateY(-2px);
}

.contact-info-item .icon {
    width: 48px;
    height: 48px;
    background: var(--color-bg-alt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-item .icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-primary);
}

.contact-info-item .content h4 {
    font-size: 16px;
    color: var(--color-text);
    margin-bottom: 4px;
}

.contact-info-item .content p {
    color: var(--color-text-muted);
    font-size: 14px;
}

.contact-map {
    height: 320px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    margin-top: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 16px;
}

/* ===== 常见问题 ===== */
.faq-section {
    padding: 60px 0;
    background: var(--color-white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active {
    border-color: var(--color-accent);
    box-shadow: 0 4px 16px var(--color-shadow);
}

.faq-question {
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--color-bg);
}

.faq-question .arrow {
    transition: var(--transition);
    font-size: 20px;
    color: var(--color-accent);
}

.faq-item.active .faq-question .arrow {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}

/* ===== 动画 ===== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
}

/* 延迟动画 */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ===== 移动端响应式 ===== */
@media (max-width: 1024px) {
    .programs-grid,
    .advantages-grid,
    .stats-grid,
    .teachers-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .lead-form-wrapper,
    .about-intro,
    .contact-layout {
        grid-template-columns: 1fr;
    }

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

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

    .program-layout,
    .news-page-layout {
        grid-template-columns: 1fr;
    }

    .program-sidebar {
        position: static;
    }

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

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

@media (max-width: 768px) {
    .top-bar-links {
        display: none;
    }

    .top-bar-info {
        gap: 12px;
        font-size: 12px;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 8px 30px var(--color-shadow-hover);
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu > li {
        width: 100%;
    }

    .nav-menu > li > a {
        padding: 14px 20px;
        border-bottom: 1px solid var(--color-border);
    }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0 0 0 20px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        margin: 12px 0 0;
        width: 100%;
    }

    .hero h1 {
        font-size: 30px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .countdown-card {
        flex-direction: column;
        text-align: center;
        gap: 16px;
        padding: 20px;
    }

    .countdown-encourage {
        border-left: none;
        border-top: 2px solid rgba(200, 164, 92, 0.3);
        padding-left: 0;
        padding-top: 16px;
    }

    .countdown-timer {
        justify-content: center;
    }

    .countdown-number {
        font-size: 24px;
        min-width: 48px;
        padding: 6px 8px;
    }

    .section {
        padding: 50px 0;
    }

    .section-title h2 {
        font-size: 26px;
    }

    .programs-grid,
    .advantages-grid,
    .stats-grid,
    .teachers-grid {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 36px;
    }

    .lead-form-card {
        padding: 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .news-list-item .thumb {
        height: 160px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        padding: 0 0 30px 50px;
    }

    .timeline-item:nth-child(even) {
        left: 0;
        padding: 0 0 30px 50px;
    }

    .timeline-item::before,
    .timeline-item:nth-child(even)::before {
        left: 13px;
        right: auto;
    }

    .float-consult {
        right: 12px;
    }

    .float-consult-item {
        width: 48px;
        height: 48px;
    }

    .program-content h2 {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }

    .countdown-timer {
        gap: 6px;
    }

    .countdown-item {
        min-width: 56px;
    }

    .countdown-number {
        font-size: 20px;
        min-width: 40px;
        padding: 4px 6px;
    }

    .lead-form-text h2 {
        font-size: 24px;
    }

    .section-title h2 {
        font-size: 22px;
    }
}