```css
*, *::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-color: #FDF6F0;
    color: #2D1810;
    line-height: 1.6;
}

::selection {
    background: #FF5A5F;
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #FDF6F0;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #FF5A5F, #FFB84D);
    border-radius: 8px;
}

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

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

.section:nth-child(even) {
    background: #FAEFE6;
}

/* ===== 导航 ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(253, 246, 240, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(45, 24, 16, 0.06);
    border-bottom: none;
}

.site-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 90, 95, 0.35), rgba(255, 184, 77, 0.35), transparent);
}

.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: 900;
    font-size: 1.25rem;
    text-decoration: none;
    color: #2D1810;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px 12px 12px 4px;
    background: linear-gradient(135deg, #FF5A5F, #FFB84D);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #fff;
    transform: rotate(-8deg);
    box-shadow: 0 6px 16px rgba(255, 90, 95, 0.35);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: #2D1810;
    opacity: 0.65;
    transition: all 0.3s ease;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, #FF5A5F, #FFB84D);
    transition: width 0.3s ease;
}

.main-nav a:hover {
    opacity: 1;
    color: #FF5A5F;
}

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

.nav-cta {
    padding: 8px 22px;
    border-radius: 30px;
    color: #fff !important;
    font-weight: 600;
    background: linear-gradient(135deg, #FF5A5F, #FFB84D);
    box-shadow: 0 4px 16px rgba(255, 90, 95, 0.25);
    opacity: 1 !important;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 90, 95, 0.35);
    color: #fff !important;
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 90, 95, 0.08);
    border-radius: 12px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.menu-toggle::before {
    content: '';
    width: 18px;
    height: 2px;
    background: #FF5A5F;
    box-shadow: 0 6px 0 #FF5A5F, 0 -6px 0 #FF5A5F;
    border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 80% 30%, rgba(255, 90, 95, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 15% 85%, rgba(255, 184, 77, 0.18) 0%, transparent 50%),
        linear-gradient(135deg, #FDF6F0 0%, #FFEFE6 60%, #FBE8E0 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 30%;
    right: 10%;
    width: 12px;
    height: 14px;
    border-radius: 60% 60% 60% 0;
    background: rgba(255, 90, 95, 0.4);
    transform: rotate(45deg);
    animation: floatDrop 5s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 28%;
    right: 22%;
    width: 7px;
    height: 9px;
    border-radius: 60% 60% 60% 0;
    background: rgba(255, 90, 95, 0.25);
    transform: rotate(45deg);
    animation: floatDrop 4s ease-in-out infinite reverse;
}

.hero-content {
    max-width: 720px;
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 7px 18px;
    border-radius: 30px;
    margin-bottom: 18px;
    background: linear-gradient(135deg, rgba(255, 90, 95, 0.1), rgba(255, 184, 77, 0.1));
    color: #FF5A5F;
    border: 1px solid rgba(255, 90, 95, 0.15);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -2px;
    margin-bottom: 20px;
    color: #2D1810;
}

.hero h1 .accent {
    background: linear-gradient(135deg, #FF5A5F, #FFB84D);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.65;
    max-width: 560px;
    margin-bottom: 32px;
    color: #2D1810;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-image {
    border-radius: 24px 24px 24px 6px;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(255, 90, 95, 0.18);
    transform: rotate(-2deg);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hero-image:hover {
    transform: rotate(0deg) scale(1.02);
}

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

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 30px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.btn::after {
    content: '→';
    font-size: 0.9em;
    margin-left: 4px;
    opacity: 0.6;
    transition: transform 0.3s ease;
}

.btn:hover::after {
    transform: translateX(4px);
}

.btn-primary {
    background: linear-gradient(135deg, #FF5A5F, #FF8A5B);
    color: #fff;
    box-shadow: 0 6px 24px rgba(255, 90, 95, 0.28);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 36px rgba(255, 90, 95, 0.38);
}

.btn-outline {
    background: transparent;
    border: 2px solid #FF5A5F;
    color: #FF5A5F;
    box-shadow: none;
}

.btn-outline:hover {
    background: rgba(255, 90, 95, 0.06);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255, 90, 95, 0.12);
}

/* ===== 标签/标题 ===== */
.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #FF5A5F;
    background: rgba(255, 90, 95, 0.08);
    padding: 6px 18px;
    border-radius: 30px;
    margin-bottom: 14px;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 900;
    margin-bottom: 14px;
    line-height: 1.15;
    letter-spacing: -1px;
    color: #2D1810;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    border-radius: 4px;
    background: linear-gradient(90deg, #FF5A5F, #FFB84D);
    margin-top: 14px;
}

.section-desc {
    max-width: 620px;
    opacity: 0.65;
    margin-bottom: 44px;
    color: #2D1810;
    line-height: 1.8;
    font-size: 0.95rem;
}

/* ===== 卡片网格 ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.category-card {
    background: #fff;
    border-radius: 20px 20px 20px 6px;
    padding: 28px;
    border: 1px solid rgba(255, 184, 77, 0.12);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    border-radius: 0 4px 4px 0;
    background: linear-gradient(180deg, #FF5A5F, #FFB84D);
    opacity: 0.85;
}

.category-card::after {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 184, 77, 0.08);
    transition: transform 0.4s ease;
}

.category-card:hover {
    transform: translateY(-6px) rotate(-0.6deg);
    box-shadow: 0 16px 44px rgba(255, 90, 95, 0.13);
    border-color: rgba(255, 90, 95, 0.18);
}

.category-card:hover::after {
    transform: scale(1.5);
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 16px 16px 16px 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 1.3rem;
    background: linear-gradient(135deg, rgba(255, 90, 95, 0.12), rgba(255, 184, 77, 0.12));
    color: #FF5A5F;
    transition: background 0.3s, transform 0.3s;
}

.category-card:hover .card-icon {
    background: linear-gradient(135deg, #FF5A5F, #FFB84D);
    color: #fff;
    transform: rotate(-6deg);
}

.card-link {
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    color: #FF5A5F;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.3s ease;
}

.card-link:hover {
    gap: 8px;
}

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

.feature-image {
    border-radius: 24px 24px 24px 6px;
    overflow: hidden;
    box-shadow: 0 20px 56px rgba(255, 90, 95, 0.12);
    position: relative;
}

.feature-image::after {
    content: '';
    position: absolute;
    right: 20px;
    bottom: 20px;
    width: 56px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 90, 95, 0.25);
    filter: blur(4px);
}

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

.feature-text {
    position: relative;
}

.feature-text .section-desc {
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
    margin-top: 20px;
}

.feature-list li {
    padding: 7px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.93rem;
    color: #2D1810;
    opacity: 0.8;
}

.feature-list li::before {
    content: '✓';
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #FF5A5F, #FFB84D);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(255, 90, 95, 0.3);
}

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

.stat-item {
    padding: 32px 20px;
    border-radius: 20px 20px 20px 6px;
    border: 1px solid rgba(255, 184, 77, 0.12);
    background: #fff;
    position: relative;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FF5A5F, #FFB84D);
    opacity: 0.12;
    transition: opacity 0.3s, transform 0.3s;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 40px rgba(255, 90, 95, 0.1);
}

.stat-item:hover::before {
    opacity: 0.3;
    transform: translateX(-50%) scale(1.3);
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 900;
    color: #FF5A5F;
    line-height: 1.1;
    display: inline-block;
    position: relative;
}

.stat-number::after {
    content: '+';
    font-size: 1.4rem;
    color: #FFB84D;
    position: absolute;
    top: 2px;
    right: -18px;
    font-weight: 800;
}

.stat-label {
    font-size: 0.88rem;
    opacity: 0.55;
    margin-top: 8px;
    color: #2D1810;
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* ===== 内容墙 ===== */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.content-wall-item {
    border-radius: 20px 20px 20px 6px;
    overflow: hidden;
    border: 1px solid rgba(255, 184, 77, 0.12);
    background: #fff;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
}

.content-wall-item:hover {
    transform: translateY(-5px) rotate(0.4deg);
    box-shadow: 0 18px 48px rgba(255, 90, 95, 0.12);
}

.content-wall-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.content-wall-item:hover img {
    transform: scale(1.06);
}

.content-wall-body {
    padding: 20px;
}

.content-wall-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: #2D1810;
    letter-spacing: -0.3px;
}

.content-wall-body p {
    font-size: 0.85rem;
    opacity: 0.55;
    line-height: 1.6;
}

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

.faq-item {
    border: 1px solid rgba(255, 184, 77, 0.12);
    background: #fff;
    border-radius: 16px 16px 16px 4px;
    margin-bottom: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: box-shadow 0.35s ease, border-color 0.35s ease;
}

.faq-item.open {
    box-shadow: 0 10px 36px rgba(255, 90, 95, 0.1);
    border-color: rgba(255, 90, 95, 0.18);
}

.faq-item .faq-question {
    padding: 18px 22px;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #2D1810;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.faq-item.open .faq-question {
    color: #FF5A5F;
}

.faq-item .faq-question::after {
    content: '＋';
    font-size: 1.3rem;
    color: #FF5A5F;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    flex-shrink: 0;
    line-height: 1;
}

.faq-item.open .faq-question::after {
    transform: rotate(135deg);
}

.faq-item .faq-answer {
    padding: 0 22px 18px;
    display: none;
    opacity: 0.65;
    color: #2D1810;
    line-height: 1.8;
    font-size: 0.9rem;
}

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

/* ===== CTA横幅 ===== */
.cta-banner {
    padding: 56px 24px;
    text-align: center;
    border-radius: 24px 24px 24px 6px;
    background: linear-gradient(135deg, #FF5A5F, #FF8A5B, #FFB84D);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -70px;
    right: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.14);
    animation: floatPulse 5s ease-in-out infinite;
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -40px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: floatPulse 7s ease-in-out infinite reverse;
}

.cta-banner h2 {
    color: #fff;
    font-weight: 900;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 12px;
    letter-spacing: -1px;
    position: relative;
    z-index: 1;
}

.cta-banner h2::after {
    display: none;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
    font-size: 0.95rem;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #FF5A5F;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary:hover {
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
    transform: translateY(-4px);
}

.cta-banner .btn-primary::after {
    color: #FF5A5F;
    opacity: 0.7;
}

/* ===== 页脚 ===== */
.site-footer {
    background: #FFF3EA;
    padding: 56px 0 28px;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #FF5A5F, #FFB84D, #FF5A5F);
    background-size: 200% 100%;
    animation: gradientShift 6s linear infinite;
}

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

.footer-brand {
    font-size: 0.88rem;
}

.footer-brand p {
    opacity: 0.6;
    margin-top: 14px;
    line-height: 1.8;
    max-width: 280px;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #2D1810;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 22px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, #FF5A5F, #FFB84D);
}

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

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    text-decoration: none;
    color: #2D1810;
    opacity: 0.6;
    font-size: 0.88rem;
    transition: opacity 0.3s, padding-left 0.3s ease;
}

.footer-col ul li a:hover {
    opacity: 1;
    padding-left: 5px;
    color: #FF5A5F;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 90, 95, 0.1);
    margin-top: 40px;
    padding-top: 20px;
    text-align: center;
    font-size: 0.82rem;
    opacity: 0.55;
    color: #2D1810;
}

/* ===== 工具类 ===== */
.text-accent {
    color: #FF5A5F;
    font-weight: 600;
}

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    opacity: 0.65;
    color: #2D1810;
    line-height: 1.8;
    text-align: center;
}

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

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

/* 动画 */
@keyframes floatDrop {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50% { transform: rotate(45deg) translateY(-10px); }
}

@keyframes floatPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes fadeSlideDown {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .feature-block {
        grid-template-columns: 1fr;
        gap: 36px;
    }

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

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

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FDF6F0;
        padding: 20px 24px;
        box-shadow: 0 16px 48px rgba(45, 24, 16, 0.1);
        border-radius: 0 0 20px 20px;
        gap: 4px;
    }

    .main-nav.open a {
        padding: 12px 8px;
        border-bottom: 1px solid rgba(255, 90, 95, 0.06);
    }

    .nav-cta {
        margin-top: 12px;
        text-align: center;
    }

    .hero {
        min-height: 100vh;
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: clamp(2rem, 7vw, 2.8rem);
    }

    .section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .cards-grid,
    .content-wall,
    .stats-bar {
        grid-template-columns: 1fr;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .cta-banner {
        padding: 40px 20px;
    }

    .btn {
        padding: 13px 24px;
        font-size: 0.9rem;
    }
}