* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: #0b0b0b;
    color: #f5f0eb;
    font-family: 'Noto Sans SC', sans-serif;
    padding-top: 80px;
}

::-webkit-scrollbar {
    width: 4px;
}
::-webkit-scrollbar-track {
    background: #0b0b0b;
}
::-webkit-scrollbar-thumb {
    background: #333;
}

/* ==================== 头部导航样式 ==================== */
.fixed-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(11, 11, 11, 0.95);
    transition: all 0.3s ease;
    height: 80px;
    backdrop-filter: blur(5px);
}

.fixed-nav.scrolled {
    height: 65px;
    background: rgba(11, 11, 11, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

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

.logo-link {
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border: 2px solid #c9a96e;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display';
    color: #c9a96e;
    font-size: 18px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.logo-text {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: #f5f0eb;
    text-decoration: none;
    transition: all 0.3s ease;
}

.fixed-nav.scrolled .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
}

.fixed-nav.scrolled .logo-text {
    font-size: 16px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links > a {
    position: relative;
    color: #a09890;
    text-decoration: none;
    font-size: 15px;
    padding: 8px 0;
    transition: color 0.3s ease;
}

.nav-links > a:hover {
    color: #c9a96e;
}

.nav-links > a.active {
    color: #c9a96e;
}

.nav-links > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #c9a96e;
    transition: width 0.3s ease;
}

.nav-links > a:hover::after,
.nav-links > a.active::after {
    width: 30px;
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.nav-phone svg {
    transition: all 0.3s ease;
}

.nav-phone span {
    font-family: 'Playfair Display';
    color: #c9a96e;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.fixed-nav.scrolled .nav-phone span {
    font-size: 14px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 35px;
    height: 30px;
    flex-direction: column;
    justify-content: space-between;
    padding: 0;
    z-index: 1000;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background: #c9a96e;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.fixed-nav.scrolled .mobile-menu-btn span {
    background: #c9a96e;
}

.mobile-menu-btn.open span:nth-child(1) {
    transform: translateY(13px) rotate(45deg);
}

.mobile-menu-btn.open span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.open span:nth-child(3) {
    transform: translateY(-13px) rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(11, 11, 11, 0.98);
    backdrop-filter: blur(10px);
    z-index: 998;
    transition: right 0.3s ease;
    padding-top: 80px;
    overflow-y: auto;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
}

.mobile-menu.open {
    right: 0;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.mobile-menu-links > a {
    display: block;
    padding: 15px 24px;
    color: #a09890;
    text-decoration: none;
    font-size: 14px;
    border-bottom: 1px solid #2a2a2a;
    transition: all 0.2s ease;
}

.mobile-menu-links > a:hover {
    color: #c9a96e;
    background: #1a1a1a;
    padding-left: 30px;
}

.mobile-phone {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    margin-top: 20px;
    border-top: 1px solid #2a2a2a;
    font-family: 'Playfair Display';
    color: #c9a96e;
    font-size: 15px;
    font-weight: 600;
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 997;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-overlay.open {
    opacity: 1;
    visibility: visible;
}

@media (min-width: 769px) and (max-width: 1024px) {
    .nav-links { gap: 25px; }
    .fixed-nav .nav-container { padding: 0 20px; }
    .nav-links > a { font-size: 14px; }
    .nav-phone span { font-size: 13px; }
}

@media (max-width: 768px) {
    body { padding-top: 70px; }
    .fixed-nav { height: 70px; }
    .fixed-nav.scrolled { height: 60px; }
    .nav-links { display: none; }
    .nav-phone { display: none; }
    .mobile-menu-btn { display: flex; }
    .fixed-nav .nav-container { padding: 0 20px; }
    .logo-icon { width: 36px; height: 36px; font-size: 16px; }
    .logo-text { font-size: 16px; }
}

/* ==================== 英雄区域 ==================== */
.hero {
    background: linear-gradient(135deg, #0b0b0b 0%, #1a1510 50%, #0b0b0b 100%);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(201, 169, 110, 0.08) 0%, transparent 60%);
    pointer-events: none;
}
.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}
.hero-content {
    max-width: 640px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s, transform 0.8s;
}
.hero-content.visible {
    opacity: 1;
    transform: translateY(0);
}
.hero-content h1 {
    font-family: 'Noto Sans SC';
    font-weight: 300;
    font-size: clamp(36px, 6vw, 64px);
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: #f5f0eb;
}
.hero-content h1 span {
    font-family: 'Playfair Display';
    font-style: italic;
    color: #c9a96e;
    font-weight: 400;
}
.hero-line {
    width: 60px;
    height: 2px;
    background: #c9a96e;
    margin: 32px 0;
}
.hero-content p {
    color: #a09890;
    font-size: 16px;
    line-height: 1.8;
    max-width: 480px;
}
.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 40px;
}
.hero-side-text {
    display: none;
    position: absolute;
    right: 48px;
    top: 50%;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    font-family: 'Playfair Display';
    color: #2a2a2a;
    font-size: 13px;
    letter-spacing: 0.3em;
}
@media (min-width: 1024px) {
    .hero-side-text { display: block; }
}

/* ==================== 通用样式 ==================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
.section-label {
    font-family: 'Playfair Display';
    font-style: italic;
    color: #c9a96e;
    font-size: 13px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}
.section-header {
    margin-bottom: 64px;
}
.section-header h2 {
    font-family: 'Noto Sans SC';
    font-weight: 300;
    font-size: clamp(28px, 4vw, 42px);
    color: #f5f0eb;
}
.section-header-center {
    text-align: center;
    margin-bottom: 64px;
}
.section-header-center h2 {
    font-family: 'Noto Sans SC';
    font-weight: 300;
    font-size: clamp(28px, 4vw, 42px);
    color: #f5f0eb;
}
.hero-line-small {
    width: 40px;
    height: 2px;
    background: #c9a96e;
    margin-top: 24px;
}
.hero-line-small-center {
    width: 40px;
    height: 2px;
    background: #c9a96e;
    margin: 24px auto 0;
}
.btn-gold {
    background: #c9a96e;
    color: #0b0b0b;
    padding: 14px 36px;
    font-weight: 600;
    font-size: 15px;
    transition: background 0.3s;
    border: none;
    cursor: pointer;
    font-family: 'Noto Sans SC', sans-serif;
    text-decoration: none;
    display: inline-block;
}
.btn-gold:hover {
    background: #ddc08a;
}
.btn-outline {
    background: transparent;
    color: #c9a96e;
    border: 1px solid #c9a96e;
    padding: 14px 36px;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}
.btn-outline:hover {
    background: #c9a96e;
    color: #0b0b0b;
}
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s, transform 0.8s;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== 品牌办学资历 ==================== */
.brand-section {
    background: #0b0b0b;
    padding: 96px 24px;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    text-align: center;
}
@media (min-width: 768px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}
.stat-num {
    font-family: 'Playfair Display';
    font-size: clamp(40px, 5vw, 64px);
    color: #c9a96e;
    font-weight: 700;
}
.stat-item div:last-child {
    font-size: 14px;
    color: #a09890;
    margin-top: 8px;
}
.brand-desc {
    max-width: 768px;
    margin: 64px auto 0;
    font-size: 14px;
    color: #a09890;
    line-height: 2;
    text-align: center;
}

/* ==================== 报考条件 ==================== */
.conditions-section {
    background: #111111;
    padding: 96px 24px;
}
.conditions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}
@media (min-width: 1024px) {
    .conditions-grid { grid-template-columns: 4fr 8fr; gap: 48px; }
}
.conditions-header p {
    font-size: 14px;
    color: #a09890;
    line-height: 1.8;
    margin-top: 20px;
}
.conditions-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
@media (min-width: 640px) {
    .conditions-list { grid-template-columns: repeat(2, 1fr); }
}
.condition-card {
    background: #151515;
    border-left: 2px solid #c9a96e;
    padding: 24px;
}
.condition-num {
    color: #c9a96e;
    font-size: 12px;
    font-family: 'Playfair Display';
    letter-spacing: 0.15em;
    margin-bottom: 10px;
}
.condition-card h3 {
    font-weight: 500;
    font-size: 15px;
    color: #f5f0eb;
    margin-bottom: 8px;
}
.condition-card p {
    font-size: 13px;
    color: #a09890;
    line-height: 1.7;
}

/* ==================== 成绩展示 ==================== */
.achievement-section {
    background: #0b0b0b;
    padding: 96px 24px;
}
.achievement-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 64px;
}
@media (min-width: 768px) {
    .achievement-cards { grid-template-columns: repeat(3, 1fr); }
}
.achievement-card {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}
.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border-color: #c9a96e;
}
.achievement-card-image {
    aspect-ratio: 1;
    background: linear-gradient(135deg, #1a1a1a, #222);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.achievement-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.achievement-card-content {
    padding: 20px;
}
.achievement-card-title {
    font-size: 16px;
    font-weight: 600;
    color: #f5f0eb;
    margin-bottom: 8px;
}
.achievement-card-desc {
    font-size: 13px;
    color: #a09890;
    line-height: 1.6;
}

/* ==================== 学员风采 ==================== */
.student-showcase {
    margin-top: 64px;
}
.student-label {
    color: #c9a96e;
    font-family: 'Playfair Display';
    font-size: 13px;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
}
.student-showcase h3 {
    font-family: 'Noto Sans SC';
    font-weight: 300;
    font-size: 24px;
    color: #f5f0eb;
    margin-bottom: 24px;
}
.student-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
@media (min-width: 640px) {
    .student-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 768px) {
    .student-grid { grid-template-columns: repeat(5, 1fr); }
}
.student-card-item {
    background: #151515;
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}
.student-card-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border-color: #c9a96e;
}
.img-placeholder {
    background: linear-gradient(135deg, #1a1a1a, #222);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    cursor: pointer;
}
.student-card-info {
    padding: 12px;
    text-align: center;
}
.student-card-name {
    font-size: 14px;
    font-weight: 600;
    color: #f5f0eb;
    margin-bottom: 4px;
}
.student-card-school {
    font-size: 12px;
    color: #c9a96e;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==================== 资讯模块 ==================== */
.news-section {
    background: #111111;
    padding: 96px 24px;
}
.top-news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 48px;
}
@media (min-width: 768px) {
    .top-news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .top-news-grid { grid-template-columns: repeat(4, 1fr); }
}
.top-news-card {
    background: #151515;
    border: 1px solid #2a2a2a;
    overflow: hidden;
    text-decoration: none;
    border-radius: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}
.top-news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}
.related-grid-4x3 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 24px;
}
@media (max-width: 1024px) {
    .related-grid-4x3 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 640px) {
    .related-grid-4x3 { grid-template-columns: 1fr; gap: 16px; }
}
.related-col {
    background: #151515;
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.related-item-title {
    display: block;
    padding: 14px 20px;
    font-size: 13px;
    color: #f5f0eb;
    text-decoration: none;
    line-height: 1.4;
    border-bottom: 1px solid #2a2a2a;
    transition: all 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.related-item-title:first-child { padding-top: 16px; }
.related-item-title:last-child { border-bottom: none; padding-bottom: 16px; }
.related-item-title:hover {
    background: #1a1a1a;
    color: #c9a96e;
    padding-left: 24px;
}
.related-item-title::before {
    content: '·';
    margin-right: 8px;
    color: #c9a96e;
}

/* ==================== 视频中心样式 ==================== */
.video-section {
    background: #0b0b0b;
    padding: 96px 24px;
}
.video-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 16px;
    margin-top: 40px;
}
@media (max-width: 1200px) {
    .video-grid { grid-template-columns: repeat(5, 1fr); gap: 14px; }
}
@media (max-width: 900px) {
    .video-grid { grid-template-columns: repeat(4, 1fr); gap: 12px; }
}
@media (max-width: 640px) {
    .video-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
}
@media (max-width: 480px) {
    .video-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
.video-card {
    background: #151515;
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    display: block;
    text-decoration: none;
}
.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border-color: #c9a96e;
}
.video-card-image {
    position: relative;
    aspect-ratio: 3/4;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.video-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}
.video-play-icon svg {
    width: 18px;
    height: 18px;
    stroke: #fff;
}
.video-card:hover .video-play-icon {
    background: #c9a96e;
    transform: translate(-50%, -50%) scale(1.1);
}
.video-card:hover .video-play-icon svg {
    stroke: #0b0b0b;
}
.video-card-platform {
    position: absolute;
    top: 6px;
    right: 6px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 9px;
    color: #c9a96e;
}
.video-card-content {
    padding: 8px;
}
.video-card-title {
    font-size: 12px;
    font-weight: 500;
    color: #f5f0eb;
    line-height: 1.3;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.video-card-date {
    font-size: 10px;
    color: #666;
}
.video-card-desc {
    font-size: 10px;
    color: #666;
    margin-top: 4px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==================== 视频列表弹窗样式 ==================== */
.video-list-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.video-list-modal.open {
    opacity: 1;
    visibility: visible;
}
.video-list-modal-content {
    background: #151515;
    border-radius: 16px;
    width: 90%;
    max-width: 1000px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.video-list-modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid #2a2a2a;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.video-list-modal-header h3 {
    font-size: 18px;
    font-weight: 500;
    color: #f5f0eb;
}
.video-list-modal-close {
    background: none;
    border: none;
    color: #a09890;
    font-size: 28px;
    cursor: pointer;
    transition: color 0.2s;
}
.video-list-modal-close:hover {
    color: #c9a96e;
}
.video-list-modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}
.video-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
}
.video-list-item {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: block;
}
.video-list-item:hover {
    transform: translateY(-3px);
    border-color: #c9a96e;
}
.video-list-item-image {
    aspect-ratio: 3/4;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}
.video-list-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-list-item-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.video-list-item-play svg {
    width: 14px;
    height: 14px;
    stroke: #fff;
}
.video-list-item-content {
    padding: 10px;
}
.video-list-item-title {
    font-size: 12px;
    font-weight: 500;
    color: #f5f0eb;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.video-list-item-date {
    font-size: 10px;
    color: #666;
    margin-top: 4px;
}

/* ==================== 师资介绍 ==================== */
.teachers-section {
    background: #111111;
    padding: 96px 24px;
}
.teacher-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}
@media (min-width: 640px) {
    .teacher-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .teacher-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ==================== 核心优势 ==================== */
.advantages-section {
    background: #0b0b0b;
    padding: 96px 24px;
}
.advantages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}
@media (min-width: 768px) {
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
}
.advantage-card {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    padding: 32px;
    display: flex;
    gap: 24px;
    border-radius: 8px;
}
.advantage-icon {
    width: 48px;
    height: 48px;
    border: 1px solid #c9a96e;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 8px;
}
.advantage-card h3 {
    font-weight: 600;
    font-size: 16px;
    color: #f5f0eb;
    margin-bottom: 8px;
}
.advantage-card p {
    font-size: 13px;
    color: #a09890;
    line-height: 1.7;
}

/* ==================== FAQ ==================== */
.faq-section {
    background: #111111;
    padding: 96px 24px;
}
.faq-container {
    max-width: 768px;
    margin: 0 auto;
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    overflow: hidden;
}
.accordion-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    text-align: left;
    background: #151515;
    font-family: 'Noto Sans SC';
    font-size: 15px;
    color: #f5f0eb;
    font-weight: 500;
    cursor: pointer;
    border: none;
}
.accordion-icon {
    transition: transform 0.3s;
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s;
    background: #111111;
}
.accordion-content.open {
    max-height: 500px;
}
.accordion-content p {
    font-family: 'Noto Sans SC';
    font-size: 14px;
    color: #a09890;
    line-height: 1.8;
    padding: 0 20px 20px;
}

/* ==================== 底部样式 ==================== */
.footer {
    background: #0b0b0b;
    border-top: 1px solid #2a2a2a;
    padding: 50px 0 30px;
    margin-top: 60px;
}
.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
.footer-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #2a2a2a;
    margin-bottom: 30px;
}
@media (min-width: 768px) {
    .footer-wrapper {
        flex-direction: row;
        gap: 60px;
    }
}
.footer-form-box {
    flex: 1;
}
.footer-title {
    font-size: 18px;
    font-weight: 600;
    color: #f5f0eb;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 10px;
}
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #c9a96e;
}
.footer-form-desc {
    font-size: 13px;
    color: #a09890;
    margin-bottom: 20px;
}
.footer-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.footer-form input, .footer-form select, .footer-form textarea {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    color: #f5f0eb;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    width: 100%;
}
.footer-form input:focus, .footer-form select:focus, .footer-form textarea:focus {
    outline: none;
    border-color: #c9a96e;
}
.footer-form textarea {
    resize: vertical;
}
.btn-block {
    width: 100%;
    text-align: center;
}
.footer-right-box {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}
.footer-contact-box {
    width: 100%;
}
.footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: #a09890;
    word-break: break-all;
}
.footer-contact-icon {
    font-size: 18px;
    width: 28px;
    flex-shrink: 0;
}
.footer-qrcode-box {
    width: 100%;
}
.footer-qrcode-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: flex-start;
}
.qrcode-item {
    text-align: center;
    width: 70px;
}
.qrcode-placeholder {
    width: 70px;
    height: 70px;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 8px;
    transition: all 0.3s;
}
.qrcode-placeholder:hover {
    border-color: #c9a96e;
}
.qrcode-default {
    text-align: center;
    font-size: 11px;
    color: #666;
    line-height: 1.3;
}
.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    text-align: center;
}
@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        text-align: left;
    }
}
.footer-copyright {
    font-size: 12px;
    color: #666;
}
.footer-icp {
    font-size: 12px;
    color: #666;
}
@media (max-width: 640px) {
    .footer-form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .footer-qrcode-list {
        justify-content: center;
        gap: 16px;
    }
    .qrcode-item {
        width: 60px;
    }
    .qrcode-placeholder {
        width: 60px;
        height: 60px;
    }
    .qrcode-default {
        font-size: 10px;
    }
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: #c9a96e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 99;
    border: none;
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background: #ddc08a;
    transform: translateY(-3px);
}
.back-to-top svg {
    width: 20px;
    height: 20px;
    stroke: #0b0b0b;
}