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

body {
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    overflow-x: hidden;
    background: #FFFAF5;
    color: #1A1A2E;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
    position: relative;
}

.section:nth-child(even) {
    background: #FFF5ED;
    position: relative;
}

.section:nth-child(even)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #FF6B4A, #F0C040, #4ECDC4);
    opacity: 0.3;
}

/* ========== 导航系统 ========== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 250, 245, 0.88);
    backdrop-filter: blur(20px) saturate(1.2);
    border-bottom: 1px solid rgba(255, 107, 74, 0.12);
    box-shadow: 0 1px 30px rgba(255, 107, 74, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.3rem;
    text-decoration: none;
    color: #1A1A2E;
    letter-spacing: -0.5px;
    position: relative;
}

.logo::after {
    content: '✦';
    font-size: 0.7rem;
    color: #F0C040;
    position: absolute;
    top: -6px;
    right: -18px;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { opacity: 1; transform: scale(1) rotate(0deg); }
    50% { opacity: 0.4; transform: scale(0.8) rotate(45deg); }
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: linear-gradient(135deg, #FF6B4A, #FF8E53);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 107, 74, 0.3);
}

.logo span:last-child {
    background: linear-gradient(135deg, #FF6B4A, #F0C040);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: #4A4A5E;
    transition: all 0.3s ease;
    position: relative;
    padding: 4px 0;
}

.main-nav a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #FF6B4A, #F0C040);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.main-nav a:hover {
    color: #FF6B4A;
}

.main-nav a:hover::before {
    width: 100%;
}

.nav-cta {
    padding: 10px 24px !important;
    border-radius: 50px !important;
    color: #fff !important;
    font-weight: 600 !important;
    background: linear-gradient(135deg, #FF6B4A, #FF8E53) !important;
    box-shadow: 0 4px 16px rgba(255, 107, 74, 0.3);
    transition: all 0.3s ease !important;
    border: none !important;
}

.nav-cta::before {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 74, 0.4) !important;
    color: #fff !important;
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 107, 74, 0.1);
    border-radius: 10px;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: 0.3s;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #1A1A2E;
    border-radius: 2px;
    transition: 0.3s;
}

.menu-toggle:hover {
    background: rgba(255, 107, 74, 0.2);
}

/* ========== Hero区域 ========== */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(165deg, #FFFAF5 0%, #FFF0E8 40%, #FFE8DC 100%);
    overflow: hidden;
    padding-top: 72px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 74, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(240, 192, 64, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(255, 107, 74, 0.12), rgba(240, 192, 64, 0.12));
    color: #FF6B4A;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 1px solid rgba(255, 107, 74, 0.15);
}

.hero-eyebrow::before {
    content: '◆';
    font-size: 0.5rem;
    color: #F0C040;
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -1px;
    color: #1A1A2E;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #FF6B4A, #F0C040);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero p {
    font-size: 1.1rem;
    color: #6B6B80;
    max-width: 520px;
    margin-bottom: 36px;
    line-height: 1.7;
}

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

.hero-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(255, 107, 74, 0.15);
    background: linear-gradient(135deg, #FFF5ED, #FFE8DC);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image::before {
    content: '🎰';
    font-size: 6rem;
    opacity: 0.15;
    position: absolute;
}

.hero-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 107, 74, 0.05), transparent);
    pointer-events: none;
}

.hero-image .deco-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 107, 74, 0.1) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.5;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

/* ========== 按钮系统 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #FF6B4A, #FF8E53);
    box-shadow: 0 4px 20px rgba(255, 107, 74, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(255, 107, 74, 0.4);
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
    opacity: 0;
    transition: 0.3s;
}

.btn-primary:hover::after {
    opacity: 1;
}

.btn-outline {
    background: transparent;
    border: 2px solid #FF6B4A;
    color: #FF6B4A;
}

.btn-outline:hover {
    background: rgba(255, 107, 74, 0.06);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(255, 107, 74, 0.15);
}

.btn-outline::before {
    content: '→';
    transition: transform 0.3s;
}

.btn-outline:hover::before {
    transform: translateX(4px);
}

/* ========== 标签/标题 ========== */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 16px;
    color: #FF6B4A;
    text-transform: uppercase;
}

.section-label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, #FF6B4A, #F0C040);
    border-radius: 2px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    color: #1A1A2E;
    line-height: 1.2;
}

.section-desc {
    max-width: 600px;
    color: #6B6B80;
    font-size: 1.05rem;
    margin-bottom: 48px;
    line-height: 1.7;
}

/* ========== 卡片网格 ========== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.category-card {
    border-radius: 16px;
    padding: 32px 28px;
    background: #fff;
    border: 1px solid rgba(255, 107, 74, 0.08);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #FF6B4A, #F0C040);
    opacity: 0;
    transition: 0.4s;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(255, 107, 74, 0.12);
    border-color: rgba(255, 107, 74, 0.15);
}

.category-card:hover::before {
    opacity: 1;
}

.category-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 107, 74, 0.03), transparent);
    pointer-events: none;
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    background: linear-gradient(135deg, rgba(255, 107, 74, 0.1), rgba(240, 192, 64, 0.1));
    color: #FF6B4A;
    transition: 0.3s;
}

.category-card:hover .card-icon {
    background: linear-gradient(135deg, #FF6B4A, #FF8E53);
    color: #fff;
    transform: scale(1.05);
}

.category-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #1A1A2E;
}

.category-card p {
    font-size: 0.9rem;
    color: #6B6B80;
    line-height: 1.6;
    margin-bottom: 16px;
}

.card-link {
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: #FF6B4A;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: 0.3s;
}

.card-link::after {
    content: '→';
    transition: transform 0.3s;
}

.card-link:hover::after {
    transform: translateX(4px);
}

/* ========== 特性块 ========== */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.feature-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(0,0,0,0.06);
    position: relative;
    background: linear-gradient(135deg, #FFF5ED, #FFE8DC);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-image::before {
    content: '🏆';
    font-size: 5rem;
    opacity: 0.12;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-text {
    padding: 20px 0;
}

.feature-text h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: #1A1A2E;
    line-height: 1.2;
}

.feature-text p {
    color: #6B6B80;
    line-height: 1.7;
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 500;
    color: #2A2A3E;
    border-bottom: 1px solid rgba(255, 107, 74, 0.06);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '✓';
    font-weight: 800;
    color: #4ECDC4;
    font-size: 1.1rem;
    width: 24px;
    height: 24px;
    background: rgba(78, 205, 196, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========== 统计条 ========== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    text-align: center;
}

.stat-item {
    padding: 32px 24px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid rgba(255, 107, 74, 0.06);
    box-shadow: 0 2px 12px rgba(0,0,0,0.03);
    transition: 0.3s;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 3px;
    background: linear-gradient(90deg, #FF6B4A, #F0C040);
    border-radius: 3px 3px 0 0;
    opacity: 0;
    transition: 0.3s;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(255, 107, 74, 0.08);
}

.stat-item:hover::before {
    opacity: 1;
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FF6B4A, #F0C040);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.stat-label {
    font-size: 0.9rem;
    color: #6B6B80;
    margin-top: 8px;
    font-weight: 500;
}

/* ========== 内容墙 ========== */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.content-wall-item {
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    border: 1px solid rgba(255, 107, 74, 0.06);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 2px 12px rgba(0,0,0,0.03);
}

.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(255, 107, 74, 0.1);
    border-color: rgba(255, 107, 74, 0.12);
}

.content-wall-item .thumb {
    height: 220px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, #FFF5ED, #FFE8DC);
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-wall-item .thumb::before {
    content: '🎲';
    font-size: 3rem;
    opacity: 0.12;
}

.content-wall-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

.content-wall-item:hover img {
    transform: scale(1.05);
}

.content-wall-body {
    padding: 24px 24px 28px;
}

.content-wall-body .tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
    background: rgba(255, 107, 74, 0.08);
    color: #FF6B4A;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.content-wall-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1A1A2E;
}

.content-wall-body p {
    font-size: 0.88rem;
    color: #6B6B80;
    line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid rgba(255, 107, 74, 0.1);
    border-radius: 14px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    background: #fff;
    transition: 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.faq-item:hover {
    border-color: rgba(255, 107, 74, 0.2);
    box-shadow: 0 4px 16px rgba(255, 107, 74, 0.06);
}

.faq-item .faq-question {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #1A1A2E;
    transition: 0.3s;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: #FF6B4A;
    transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
}

.faq-item .faq-answer {
    padding: 0 24px 20px;
    display: none;
    color: #6B6B80;
    line-height: 1.7;
    font-size: 0.92rem;
}

.faq-item.open .faq-answer {
    display: block;
    animation: fadeSlideIn 0.3s ease;
}

@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.faq-item.open {
    border-color: rgba(255, 107, 74, 0.2);
}

/* ========== CTA横幅 ========== */
.cta-banner {
    padding: 72px 40px;
    text-align: center;
    border-radius: 24px;
    background: linear-gradient(135deg, #FF6B4A, #FF8E53, #F0C040);
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(255, 107, 74, 0.25);
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 60%);
    pointer-events: none;
}

.cta-banner::after {
    content: '✦ ✦ ✦';
    position: absolute;
    bottom: 20px;
    right: 40px;
    font-size: 1.2rem;
    opacity: 0.15;
    letter-spacing: 8px;
}

.cta-banner h2 {
    color: #fff;
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.cta-banner p {
    color: rgba(255,255,255,0.85);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto 32px;
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #FF6B4A;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

/* ========== 页脚 ========== */
.site-footer {
    padding: 64px 0 28px;
    background: #1A1A2E;
    color: rgba(255,255,255,0.7);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #FF6B4A, #F0C040, #4ECDC4);
    opacity: 0.3;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand .logo {
    color: #fff;
}

.footer-brand .logo::after {
    content: '✦';
    font-size: 0.7rem;
    color: #F0C040;
    position: absolute;
    top: -6px;
    right: -18px;
}

.footer-brand .logo-icon {
    background: linear-gradient(135deg, #FF6B4A, #F0C040);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.5);
    max-width: 300px;
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, #FF6B4A, #F0C040);
    border-radius: 2px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 0.88rem;
    transition: 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-col a:hover {
    color: #FF6B4A;
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom .social-links {
    display: flex;
    gap: 16px;
}

.footer-bottom .social-links a {
    color: rgba(255,255,255,0.3);
    text-decoration: none;
    transition: 0.3s;
    font-size: 0.9rem;
}

.footer-bottom .social-links a:hover {
    color: #FF6B4A;
}

/* ========== 工具类 ========== */
.text-accent {
    color: #FF6B4A;
}

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    color: #6B6B80;
    line-height: 1.7;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ========== 装饰性元素 ========== */
.deco-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.04;
    background: linear-gradient(135deg, #FF6B4A, #F0C040);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .hero h1 { font-size: 2.6rem; }
    .section-title { font-size: 2rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .hero-content { max-width: 100%; }
    .hero p { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-image { max-width: 400px; margin: 0 auto; }
    .hero h1 { font-size: 2.2rem; }
    
    .feature-block {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .feature-text { text-align: center; }
    .feature-list li { justify-content: center; }
    
    .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(255, 250, 245, 0.98);
        backdrop-filter: blur(20px);
        padding: 24px;
        flex-direction: column;
        gap: 16px;
        border-bottom: 1px solid rgba(255, 107, 74, 0.1);
        box-shadow: 0 20px 40px rgba(0,0,0,0.06);
    }
    .main-nav.open { display: flex; }
    .menu-toggle { display: flex; }
    
    .section-title { font-size: 1.8rem; }
    .cta-banner h2 { font-size: 1.8rem; }
    .cta-banner { padding: 48px 24px; }
    
    .hero { min-height: auto; padding: 100px 0 60px; }
    .section { padding: 60px 0; }
    
    .content-wall { grid-template-columns: 1fr; }
    .cards-grid { grid-template-columns: 1fr; }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 1.8rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
    .stats-bar { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-col h4::after { left: 50%; transform: translateX(-50%); }
    .footer-col ul { align-items: center; }
    .footer-brand { align-items: center; }
    .footer-brand p { max-width: 100%; }
    .section-title { font-size: 1.5rem; }
    .cta-banner h2 { font-size: 1.4rem; }
    .cta-banner { padding: 36px 20px; border-radius: 16px; }
    .stat-item { padding: 24px 16px; }
    .stat-number { font-size: 2rem; }
    .category-card { padding: 24px 20px; }
    .content-wall-body { padding: 18px; }
    .feature-image { aspect-ratio: 3/2; }
    .faq-item .faq-question { padding: 16px 18px; font-size: 0.9rem; }
    .faq-item .faq-answer { padding: 0 18px 16px; }
    .hero-eyebrow { font-size: 0.7rem; padding: 4px 14px; }
    .section-label { font-size: 0.65rem; }
}

/* ========== 额外润色 ========== */
::selection {
    background: rgba(255, 107, 74, 0.2);
    color: #1A1A2E;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #FFFAF5;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #FF6B4A, #F0C040);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #e85a3a, #dbaa30);
}

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

a {
    color: inherit;
}