/* ===================================
   全局样式重置
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c5aa0;
    --secondary-color: #1e3a6f;
    --accent-color: #e8a838;
    --accent-hover: #d4962f;
    --text-dark: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.15);
    --radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* ===================================
   导航栏
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.8rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-size: 1.3rem;
    white-space: nowrap;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.8rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: 0.3s;
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===================================
   首页大图区
   =================================== */
.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, #1e3a6f 0%, #2c5aa0 40%, #3a7bd5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,165.3C1248,171,1344,149,1392,138.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320z"></path></svg>') no-repeat center center;
    animation: wave 25s linear infinite;
}

@keyframes wave {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.25);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    padding: 1.5rem;
    max-width: 850px;
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-desc {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.85;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-btn {
    display: inline-block;
    padding: 0.9rem 2.2rem;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
}

.hero-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(232, 168, 56, 0.4);
}

.hero-btn-outline {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.8);
}

.hero-btn-outline:hover {
    background: rgba(255,255,255,0.15);
    box-shadow: 0 5px 15px rgba(255,255,255,0.2);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===================================
   通用容器 & 标题
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    margin: 0.8rem auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

/* ===================================
   数据实力横幅
   =================================== */
.stats-bar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 3rem 0;
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
    color: white;
}

.stat-item {
    padding: 0.5rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    display: inline;
    line-height: 1;
}

.stat-suffix {
    font-size: 1.8rem;
    font-weight: 600;
    opacity: 0.9;
}

.stat-label {
    display: block;
    font-size: 1rem;
    opacity: 0.85;
    margin-top: 0.5rem;
    letter-spacing: 1px;
}

/* ===================================
   核心服务
   =================================== */
.services {
    padding: 5rem 0;
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--bg-white);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s;
    transform-origin: left;
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.6rem;
    font-size: 1.3rem;
}

.service-desc {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    padding: 0.5rem 0;
    color: var(--text-light);
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.95rem;
    padding-left: 1.2rem;
    position: relative;
}

.service-card li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.1rem;
}

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

/* ===================================
   热门目的地
   =================================== */
.destinations {
    padding: 5rem 0;
}

.dest-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.dest-card {
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    height: 280px;
    cursor: pointer;
    transition: var(--transition);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.dest-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.dest-overlay {
    position: absolute;
    inset: 0;
    transition: var(--transition);
}

.dest-chengdu { background-color: #2c5aa0; }
.dest-chengdu .dest-overlay { background: rgba(44, 90, 160, 0.3); }
.dest-jiuzhai { background-color: #1a8a5c; }
.dest-jiuzhai .dest-overlay { background: rgba(26, 138, 92, 0.3); }
.dest-emei { background-color: #8b6914; }
.dest-emei .dest-overlay { background: rgba(139, 105, 20, 0.3); }
.dest-dujiangyan { background-color: #2a7a5a; }
.dest-dujiangyan .dest-overlay { background: rgba(42, 122, 90, 0.3); }
.dest-chuanxi { background-color: #6a3d7a; }
.dest-chuanxi .dest-overlay { background: rgba(106, 61, 122, 0.3); }
.dest-chongqing { background-color: #c0392b; }
.dest-chongqing .dest-overlay { background: rgba(192, 57, 43, 0.3); }

.dest-card:hover .dest-overlay {
    background: rgba(0, 0, 0, 0.15);
}

.dest-content {
    position: relative;
    z-index: 1;
    color: white;
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.dest-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.dest-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.dest-content p {
    opacity: 0.9;
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.dest-tag {
    display: inline-block;
    padding: 0.25rem 0.8rem;
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    font-size: 0.8rem;
    backdrop-filter: blur(4px);
    align-self: flex-start;
}

/* ===================================
   服务流程
   =================================== */
.process {
    padding: 5rem 0;
    background: var(--bg-light);
}

.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    flex-wrap: nowrap;
}

.process-step {
    text-align: center;
    flex: 1;
    max-width: 220px;
    padding: 0 0.5rem;
}

.process-icon {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
}

.process-num {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: bold;
    font-size: 1rem;
    margin-bottom: 0.8rem;
}

.process-step h4 {
    color: var(--text-dark);
    margin-bottom: 0.4rem;
    font-size: 1.1rem;
}

.process-step p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

.process-connector {
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin-top: 85px;
    flex-shrink: 0;
    border-radius: 1px;
}

/* ===================================
   关于我们
   =================================== */
.about {
    padding: 5rem 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.feature {
    display: flex;
    gap: 1rem;
    align-items: start;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: bold;
    flex-shrink: 0;
}

.feature h4 {
    color: var(--text-dark);
    margin-bottom: 0.2rem;
}

.feature p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ===================================
   品质保证
   =================================== */
.quality {
    padding: 5rem 0;
    background: var(--bg-light);
}

.quality-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.step {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.step-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 0.8rem;
}

.step h4 {
    color: var(--text-dark);
    margin-bottom: 0.4rem;
}

.step p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ===================================
   管理团队
   =================================== */
.team {
    padding: 5rem 0;
}

/* ===================================
   管理团队轮播
   =================================== */
.team-carousel-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 50px;
}

.team-carousel {
    overflow: hidden;
    border-radius: var(--radius);
}

.team-carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.team-card {
    flex: 0 0 100%;
    width: 100%;
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: box-shadow 0.3s ease;
}

.team-card:hover {
    box-shadow: var(--shadow-hover);
}

.team-avatar {
    margin: 0 auto 1rem;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.team-card h4 {
    color: var(--text-dark);
    margin-bottom: 0.3rem;
    font-size: 1.2rem;
}

.team-role {
    display: inline-block;
    padding: 0.2rem 1rem;
    background: var(--accent-color);
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.team-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 500px;
    margin: 0 auto;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.carousel-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn-left { left: 0; }
.carousel-btn-right { right: 0; }

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 1.5rem;
}

.carousel-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-lighter);
    border: none;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
    padding: 0;
}

.carousel-dots .dot.active {
    background: var(--primary-color);
    transform: scale(1.3);
}

/* 动画入场 */
.team-card {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===================================
   移动端适配
   =================================== */
@media (max-width: 768px) {
    .team-card { padding: 2rem 1.5rem; }
    .team-avatar { width: 80px; height: 80px; }
    .team-carousel-wrapper { padding: 0 45px; }
}

@media (max-width: 480px) {
    .team-carousel-wrapper { padding: 0 40px; }
    .team-card { padding: 1.5rem 1rem; }
    .team-avatar { width: 70px; height: 70px; }
    .carousel-btn { width: 34px; height: 34px; font-size: 1.3rem; }
}

/* ===================================
   客户评价
   =================================== */
.testimonials {
    padding: 5rem 0;
    background: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    position: relative;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.testimonial-quote {
    font-size: 4rem;
    color: var(--accent-color);
    opacity: 0.3;
    line-height: 1;
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: Georgia, serif;
}

.testimonial-text {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    font-size: 0.95rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    border-top: 1px solid #f0f0f0;
    padding-top: 1rem;
}

.testimonial-avatar {
    width: 45px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    background: var(--primary-color);
    border-radius: 50%;
    font-size: 1.3rem;
}

.testimonial-author h5 {
    color: var(--text-dark);
    font-size: 0.95rem;
    margin-bottom: 0.1rem;
}

.testimonial-author span {
    color: var(--text-lighter);
    font-size: 0.8rem;
}

/* ===================================
   企业文化
   =================================== */
.culture {
    padding: 5rem 0;
}

.culture-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.culture-item {
    background: var(--bg-light);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

.culture-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.culture-icon {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
}

.culture-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.culture-item p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 0.95rem;
}

/* ===================================
   联系我们
   =================================== */
.contact {
    padding: 5rem 0;
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.contact-item {
    padding: 1.2rem;
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-wechat .wechat-qr-placeholder {
    margin-top: 0.8rem;
    width: 120px;
    height: 120px;
    border: 2px dashed #ccc;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-lighter);
    font-size: 0.85rem;
    text-align: center;
}

.contact-wechat .wechat-qr-placeholder small {
    font-size: 0.65rem;
    color: #bbb;
    margin-top: 0.3rem;
}

.contact-form {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    margin-bottom: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 0.9rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

.submit-btn:disabled {
    background: #999;
    cursor: not-allowed;
    transform: none;
}

/* ===================================
   FAQ
   =================================== */
.faq {
    padding: 5rem 0;
}

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

.faq-item {
    border: 1px solid #e8e8e8;
    border-radius: var(--radius);
    margin-bottom: 0.8rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
    user-select: none;
}

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

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 1.5rem 1.2rem;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 0.95rem;
}

/* ===================================
   页脚
   =================================== */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
}

.footer-col p {
    opacity: 0.8;
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.85rem;
}

/* ===================================
   回到顶部
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.3rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

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

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

/* ===================================
   响应式 - Tablet (≤1024px)
   =================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

    .process-connector {
        width: 30px;
    }
}

/* ===================================
   响应式 - Mobile (≤768px)
   =================================== */
@media (max-width: 768px) {
    /* 导航 */
    .nav-container {
        padding: 0.7rem 1rem;
    }

    .nav-logo h2 {
        font-size: 1rem;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        flex-direction: column;
        background: rgba(255,255,255,0.97);
        padding: 80px 2rem 2rem;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.35s ease;
        z-index: 999;
        overflow-y: auto;
    }

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

    .nav-menu li {
        padding: 1rem 0;
        border-bottom: 1px solid #eee;
    }

    .nav-link {
        font-size: 1.2rem;
        display: block;
    }

    .nav-toggle {
        display: flex;
    }

    /* Hero */
    .hero {
        min-height: 480px;
    }

    .hero-content h1 {
        font-size: 1.7rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-desc {
        font-size: 0.95rem;
    }

    .hero-btns {
        flex-direction: column;
        align-items: center;
    }

    .hero-btn {
        width: 200px;
        text-align: center;
    }

    /* 区块标题 */
    .section-title {
        font-size: 1.6rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }

    /* 统一 padding */
    .stats-bar, .services, .destinations, .process,
    .about, .quality, .team, .testimonials,
    .culture, .contact, .faq {
        padding: 3rem 0;
    }

    .container {
        padding: 0 1rem;
    }

    /* 数据横幅 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .stat-suffix {
        font-size: 1.3rem;
    }

    /* 服务卡片 */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    /* 目的地 */
    .dest-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .dest-card {
        height: 180px;
    }

    /* 服务流程 */
    .process-steps {
        flex-direction: column;
        align-items: center;
    }

    .process-connector {
        width: 2px;
        height: 30px;
        margin-top: 0;
    }

    .process-step {
        max-width: 300px;
    }

    /* 关于我们 */
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* 品质保证 */
    .quality-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .step {
        padding: 1.5rem 1rem;
    }

    /* 管理团队 */
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .team-card {
        padding: 1.5rem 1rem;
    }

    /* 客户评价 */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }

    /* 企业文化 */
    .culture-content {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }

    .culture-item {
        padding: 1.5rem;
    }

    /* 联系我们 */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .contact-form input,
    .contact-form textarea {
        padding: 0.75rem 0.8rem;
        font-size: 16px;
    }

    /* FAQ */
    .faq-question {
        padding: 1rem 1.2rem;
        font-size: 0.95rem;
    }

    .faq-answer p {
        padding: 0 1.2rem 1rem;
        font-size: 0.9rem;
    }

    /* 页脚 */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer {
        padding: 2rem 0 1.5rem;
    }

    /* 回到顶部 */
    .back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 42px;
        height: 42px;
        font-size: 1.1rem;
    }
}

/* ===================================
   小屏手机 (≤480px)
   =================================== */
@media (max-width: 480px) {
    .nav-logo h2 {
        font-size: 0.9rem;
    }

    .hero-content h1 {
        font-size: 1.4rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-desc {
        font-size: 0.85rem;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .quality-steps {
        grid-template-columns: 1fr 1fr;
    }

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

    .team-avatar {
        width: 60px;
        height: 60px;
    }

    .dest-card {
        height: 160px;
    }

    .dest-content h3 {
        font-size: 1.2rem;
    }
}

/* ===================================
   超小屏 (≤360px)
   =================================== */
@media (max-width: 360px) {
    .nav-logo h2 {
        font-size: 0.8rem;
    }

    .hero-content h1 {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.15rem;
    }

    .stats-grid {
        gap: 1rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }
}

/* ===================================
   横屏手机
   =================================== */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: 350px;
        height: auto;
        padding: 3rem 0;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }
}

/* ===================================
   触屏优化
   =================================== */
@media (hover: none) and (pointer: coarse) {
    .service-card:hover,
    .dest-card:hover,
    .step:hover,
    .team-card:hover,
    .testimonial-card:hover,
    .culture-item:hover {
        transform: none;
        box-shadow: var(--shadow);
    }

    .hero-btn:hover {
        transform: none;
        box-shadow: none;
        background: var(--accent-color);
    }

    .hero-btn-outline:hover {
        background: transparent;
    }

    .nav-link:hover {
        color: var(--text-dark);
    }

    .nav-link:hover::after {
        width: 0;
    }

    .back-to-top:hover {
        transform: none;
    }
}

/* 打印样式 */
@media print {
    .navbar, .nav-toggle, .hero-btn, .submit-btn, .back-to-top, .stats-bar {
        display: none;
    }
    .hero {
        height: auto;
        min-height: auto;
        padding: 2rem;
    }
    body {
        color: #000;
    }
}