/* ============================================================
   多多28 · 暖色层叠主义设计系统
   风格关键词：温暖、活力、圆润、层叠、精致
   配色：珊瑚红 + 墨绿 + 琥珀金 + 暖米白
   ============================================================ */

/* 基础重置 */
*, *::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: #FCF7F0;
    color: #2D2D2D;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* 核心布局 — 必须居中 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.section:nth-child(even) {
    background: #F8F3EC;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #E85D5D, #F4A940);
    border-radius: 0 0 4px 4px;
    opacity: 0.3;
}

/* ============================================================
   导航 — 固定顶部 · 暖色透明玻璃
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(252, 247, 240, 0.88);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(232, 93, 93, 0.10);
    box-shadow: 0 2px 24px rgba(232, 93, 93, 0.04);
    transition: background 0.3s;
}

.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: 1.25rem;
    text-decoration: none;
    color: #2D2D2D;
    letter-spacing: -0.3px;
}

.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, #E85D5D, #F4A940);
    color: #fff;
    box-shadow: 0 4px 12px rgba(232, 93, 93, 0.25);
}

.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: #4A4A4A;
    transition: color 0.2s, transform 0.2s;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #E85D5D;
    border-radius: 2px;
    transition: width 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.main-nav a:hover {
    color: #E85D5D;
    transform: translateY(-1px);
}

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

.nav-cta {
    padding: 10px 24px !important;
    border-radius: 100px !important;
    color: #fff !important;
    font-weight: 600 !important;
    background: linear-gradient(135deg, #E85D5D, #F4A940);
    box-shadow: 0 4px 14px rgba(232, 93, 93, 0.25);
    transition: transform 0.2s, box-shadow 0.2s !important;
}

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

.nav-cta:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 24px rgba(232, 93, 93, 0.35) !important;
    color: #fff !important;
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.2s;
}

.menu-toggle:hover {
    background: rgba(232, 93, 93, 0.08);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: #2D2D2D;
    border-radius: 4px;
    transition: 0.3s;
}

/* ============================================================
   首页Hero · 暖色层叠
   ============================================================ */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, #FCF7F0 0%, #F5EDE4 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232, 93, 93, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -15%;
    left: -5%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(244, 169, 64, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-content {
    max-width: 640px;
    flex: 1;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 6px 18px;
    border-radius: 100px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(232, 93, 93, 0.10), rgba(244, 169, 64, 0.10));
    color: #E85D5D;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #2D2D2D;
}

.hero h1 .text-accent {
    background: linear-gradient(135deg, #E85D5D, #F4A940);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.1rem;
    line-height: 1.7;
    opacity: 0.7;
    max-width: 520px;
    margin-bottom: 36px;
    color: #4A4A4A;
}

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

.hero-image {
    flex: 1;
    min-width: 300px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px -12px rgba(232, 93, 93, 0.15), 0 8px 24px -8px rgba(0,0,0,0.05);
    background: linear-gradient(135deg, #E85D5D10, #F4A94010);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(232, 93, 93, 0.06);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ============================================================
   按钮 · 圆润温暖
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    line-height: 1.2;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #E85D5D, #F4A940);
    box-shadow: 0 4px 16px rgba(232, 93, 93, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(232, 93, 93, 0.35);
}

.btn-outline {
    background: transparent;
    border: 2px solid #E85D5D;
    color: #E85D5D;
}

.btn-outline:hover {
    background: rgba(232, 93, 93, 0.06);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(232, 93, 93, 0.10);
}

/* ============================================================
   标签 / 标题 · 温暖排版
   ============================================================ */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 14px;
    text-transform: uppercase;
    color: #E85D5D;
    position: relative;
    padding-left: 36px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 2px;
    background: #E85D5D;
    border-radius: 2px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
    color: #2D2D2D;
    line-height: 1.2;
}

.section-desc {
    max-width: 600px;
    opacity: 0.7;
    margin-bottom: 44px;
    font-size: 1.05rem;
    line-height: 1.7;
    color: #4A4A4A;
}

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

.category-card {
    border-radius: 20px;
    padding: 32px 28px 28px;
    background: #fff;
    border: 1px solid rgba(232, 93, 93, 0.06);
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #E85D5D, #F4A940);
    border-radius: 20px 20px 0 0;
    opacity: 0;
    transition: opacity 0.35s;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px -12px rgba(232, 93, 93, 0.15), 0 4px 12px rgba(0,0,0,0.04);
    border-color: rgba(232, 93, 93, 0.12);
}

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

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.5rem;
    background: linear-gradient(135deg, rgba(232, 93, 93, 0.08), rgba(244, 169, 64, 0.08));
    color: #E85D5D;
    transition: transform 0.3s;
}

.category-card:hover .card-icon {
    transform: scale(1.05);
}

.category-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2D2D2D;
}

.category-card p {
    font-size: 0.9rem;
    opacity: 0.65;
    line-height: 1.6;
    margin-bottom: 16px;
    color: #4A4A4A;
}

.card-link {
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: #E85D5D;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s;
}

.card-link:hover {
    gap: 12px;
    color: #d04a4a;
}

/* ============================================================
   特性块 · 左右分栏
   ============================================================ */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.feature-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 16px 40px -12px rgba(232, 93, 93, 0.12);
    background: linear-gradient(135deg, #E85D5D08, #F4A94008);
    border: 1px solid rgba(232, 93, 93, 0.06);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-text h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: #2D2D2D;
    line-height: 1.2;
}

.feature-text p {
    font-size: 1rem;
    opacity: 0.7;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #4A4A4A;
}

.feature-list {
    list-style: none;
    margin-top: 8px;
}

.feature-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: #2D2D2D;
    border-bottom: 1px solid rgba(232, 93, 93, 0.04);
}

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

.feature-list li::before {
    content: '✓';
    font-weight: 700;
    color: #E85D5D;
    font-size: 1.1rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(232, 93, 93, 0.08);
    flex-shrink: 0;
}

/* ============================================================
   数据条 · 彩色数字
   ============================================================ */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item {
    padding: 32px 24px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid rgba(232, 93, 93, 0.06);
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px -8px rgba(232, 93, 93, 0.12);
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, #E85D5D, #F4A940);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.6;
    margin-top: 8px;
    color: #4A4A4A;
    font-weight: 500;
}

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

.content-wall-item {
    border-radius: 20px;
    overflow: hidden;
    background: #fff;
    border: 1px solid rgba(232, 93, 93, 0.06);
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px -12px rgba(232, 93, 93, 0.15);
    border-color: rgba(232, 93, 93, 0.10);
}

.content-wall-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s;
}

.content-wall-item:hover img {
    transform: scale(1.03);
}

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

.content-wall-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2D2D2D;
}

.content-wall-body p {
    font-size: 0.9rem;
    opacity: 0.65;
    line-height: 1.6;
    color: #4A4A4A;
}

.content-wall-body .date {
    font-size: 0.8rem;
    color: #E85D5D;
    font-weight: 600;
    margin-bottom: 10px;
    display: block;
}

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

.faq-item {
    border: 1px solid rgba(232, 93, 93, 0.06);
    border-radius: 16px;
    margin-bottom: 12px;
    overflow: hidden;
    cursor: pointer;
    background: #fff;
    transition: border-color 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.faq-item:hover {
    border-color: rgba(232, 93, 93, 0.12);
}

.faq-item .faq-question {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #2D2D2D;
    transition: color 0.2s;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: #E85D5D;
    transition: transform 0.3s;
}

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

.faq-item.open .faq-question {
    color: #E85D5D;
}

.faq-item .faq-answer {
    padding: 0 24px 20px;
    display: none;
    opacity: 0.7;
    font-size: 0.95rem;
    line-height: 1.7;
    color: #4A4A4A;
}

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

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 0.7; transform: translateY(0); }
}

/* ============================================================
   CTA横幅 · 暖色渐变
   ============================================================ */
.cta-banner {
    padding: 64px 32px;
    text-align: center;
    border-radius: 24px;
    color: #fff;
    background: linear-gradient(135deg, #E85D5D 0%, #F4A940 100%);
    box-shadow: 0 20px 48px -12px rgba(232, 93, 93, 0.30);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    pointer-events: none;
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
    pointer-events: none;
}

.cta-banner h2 {
    color: #fff;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.cta-banner p {
    color: rgba(255,255,255,0.85);
    font-size: 1.05rem;
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #E85D5D;
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary:hover {
    box-shadow: 0 8px 28px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

/* ============================================================
   页脚 · 温暖深色
   ============================================================ */
.site-footer {
    padding: 64px 0 32px;
    background: #2D2D2D;
    color: rgba(255,255,255,0.85);
    margin-top: 40px;
}

.site-footer .container {
    position: relative;
}

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

.footer-brand h3 {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-brand p {
    font-size: 0.9rem;
    opacity: 0.6;
    line-height: 1.7;
    max-width: 280px;
}

.footer-col h4 {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    opacity: 0.9;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s, padding-left 0.2s;
}

.footer-col a:hover {
    color: #F4A940;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.5;
    color: rgba(255,255,255,0.6);
}

/* ============================================================
   工具类 · 温暖点缀
   ============================================================ */
.text-accent {
    color: #E85D5D;
}

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    opacity: 0.7;
    font-size: 1rem;
    line-height: 1.7;
    color: #4A4A4A;
}

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

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

/* ============================================================
   装饰性小物
   ============================================================ */
/* 彩色圆点装饰 */
.section .container {
    position: relative;
}

/* 为首页添加装饰性元素 */
.hero .container::before {
    content: '';
    position: absolute;
    right: -40px;
    top: 20%;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid rgba(232, 93, 93, 0.08);
    pointer-events: none;
}

.hero .container::after {
    content: '';
    position: absolute;
    left: -30px;
    bottom: 10%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid rgba(244, 169, 64, 0.10);
    pointer-events: none;
}

/* 卡片内的装饰 */
.category-card .card-number {
    position: absolute;
    top: 12px;
    right: 20px;
    font-size: 2.8rem;
    font-weight: 800;
    color: rgba(232, 93, 93, 0.04);
    line-height: 1;
    pointer-events: none;
}

/* ============================================================
   响应式设计
   ============================================================ */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.6rem;
    }
    .hero .container {
        flex-direction: column;
    }
    .hero-content {
        max-width: 100%;
    }
    .hero-image {
        min-width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 64px;
    }

    .main-nav {
        display: none;
    }

    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: rgba(252, 247, 240, 0.98);
        backdrop-filter: blur(18px);
        padding: 24px 20px;
        gap: 16px;
        border-bottom: 1px solid rgba(232, 93, 93, 0.06);
        box-shadow: 0 12px 32px rgba(0,0,0,0.04);
    }

    .main-nav.open a {
        padding: 8px 0;
        font-size: 1rem;
    }

    .menu-toggle {
        display: flex;
    }

    .section {
        padding: 60px 0;
    }
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-buttons .btn {
        justify-content: center;
    }

    .feature-block {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .feature-block .feature-image {
        order: -1;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .stat-number {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-brand p {
        max-width: 100%;
    }

    .cards-grid,
    .content-wall {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .cta-banner {
        padding: 48px 24px;
    }
    .cta-banner h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    .hero h1 {
        font-size: 1.6rem;
    }
    .hero-eyebrow {
        font-size: 0.7rem;
        padding: 4px 14px;
    }
    .cards-grid,
    .content-wall,
    .stats-bar {
        grid-template-columns: 1fr;
    }
    .stats-bar {
        gap: 12px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .btn {
        width: 100%;
        justify-content: center;
    }
    .section-title {
        font-size: 1.4rem;
    }
    .stat-item {
        padding: 24px 16px;
    }
    .stat-number {
        font-size: 1.8rem;
    }
    .category-card {
        padding: 24px 20px 20px;
    }
}

/* ============================================================
   平滑滚动 & 选中样式
   ============================================================ */
html {
    scroll-behavior: smooth;
}

::selection {
    background: rgba(232, 93, 93, 0.20);
    color: #2D2D2D;
}

::-moz-selection {
    background: rgba(232, 93, 93, 0.20);
    color: #2D2D2D;
}

/* ============================================================
   图片占位 & 加载
   ============================================================ */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 占位背景（当图片未加载时） */
.hero-image:empty,
.feature-image:empty,
.content-wall-item img:empty {
    background: linear-gradient(135deg, #E85D5D08, #F4A94008);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(232, 93, 93, 0.3);
    font-size: 0.9rem;
}

/* ============================================================
   打印样式
   ============================================================ */
@media print {
    .site-header {
        position: relative;
        background: #fff;
        border-bottom: 1px solid #ddd;
    }
    .hero {
        min-height: auto;
        padding: 40px 0;
    }
    .hero-image {
        display: none;
    }
    .btn {
        border: 1px solid #ccc;
        color: #333 !important;
        background: #f5f5f5 !important;
        box-shadow: none !important;
    }
    .cta-banner {
        background: #f5f5f5 !important;
        color: #333 !important;
        box-shadow: none !important;
    }
    .cta-banner h2 {
        color: #333 !important;
    }
    .site-footer {
        background: #f5f5f5 !important;
        color: #333 !important;
    }
    .site-footer a {
        color: #333 !important;
    }
    .stat-number {
        -webkit-text-fill-color: #E85D5D;
    }
}