/* ===== CSS 变量与全局样式 ===== */
:root {
    --color-primary: #f97316;
    --color-primary-dark: #ea580c;
    --color-primary-light: #fb923c;
    --color-secondary: #d97706;
    --color-accent: #eab308;
    --color-bg: #fff8f0;
    --color-bg-alt: #fff;
    --color-text: #1c1917;
    --color-text-light: #57534e;
    --color-text-muted: #a8a29e;
    --color-border: #fed7aa;
    --color-shadow: rgba(249, 115, 22, 0.15);
    --color-card-bg: #fff;
    --color-success: #16a34a;
    --color-error: #dc2626;
    --font-primary: 'Noto Sans SC', sans-serif;
    --font-display: 'Fredoka', 'Noto Sans SC', sans-serif;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 16px 48px rgba(249, 115, 22, 0.2);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

.highlight {
    color: var(--color-primary);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 500px;
    margin: 0 auto;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 50px;
    letter-spacing: 1px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    box-shadow: 0 4px 16px var(--color-shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px var(--color-shadow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    background: rgba(249, 115, 22, 0.05);
    color: var(--color-primary);
}

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

/* ===== 导航栏 ===== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 16px 0;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    padding: 8px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text-light);
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff !important;
    padding: 10px 24px !important;
    border-radius: 50px;
    font-weight: 700 !important;
}

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

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--color-shadow);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--color-text);
    border-radius: 4px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== Hero 区域 ===== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #fff8f0 0%, #ffedd5 50%, #fff 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: var(--color-accent);
    color: #1c1917;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.hero-text h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--color-text);
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img-wrapper {
    position: relative;
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: rotate(2deg);
    transition: var(--transition);
}

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

.hero-img-wrapper img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}

.floating-tag {
    position: absolute;
    background: #fff;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: var(--shadow-md);
    color: var(--color-text);
    animation: float 3s ease-in-out infinite;
}

.tag-1 {
    top: -16px;
    right: -16px;
    animation-delay: 0s;
}

.tag-2 {
    bottom: -16px;
    left: -16px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 60px;
}

/* ===== 菜单区域 ===== */
.menu {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.menu-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border-radius: 50px;
    border: 2px solid var(--color-border);
    background: transparent;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 12px var(--color-shadow);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.menu-card {
    background: var(--color-card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid rgba(0,0,0,0.04);
}

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

.menu-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.menu-card-body {
    padding: 20px;
}

.menu-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(249, 115, 22, 0.1);
    padding: 4px 12px;
    border-radius: 50px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.menu-card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.menu-card-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
    line-height: 1.5;
}

.menu-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu-card-price {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.menu-card-price span {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

.menu-card-btn {
    background: var(--color-primary);
    color: #fff;
    border: none;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.menu-card-btn:hover {
    background: var(--color-primary-dark);
    transform: scale(1.1);
}

/* ===== 关于我们 ===== */
.about {
    padding: 80px 0;
    background: var(--color-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    height: 480px;
    object-fit: cover;
    width: 100%;
}

.about-experience {
    position: absolute;
    bottom: -24px;
    right: -24px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    padding: 24px 28px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.exp-number {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    display: block;
    line-height: 1;
}

.exp-text {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
}

.about-text h2 {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--color-text-light);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 28px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
}

.feature-item i {
    font-size: 1.4rem;
    color: var(--color-primary);
}

/* ===== 客户评价 ===== */
.reviews {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.review-card {
    background: var(--color-card-bg);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.review-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-border);
}

.review-name {
    font-weight: 700;
    font-size: 1rem;
}

.review-stars {
    color: var(--color-accent);
    font-size: 0.9rem;
    margin-top: 2px;
}

.review-text {
    color: var(--color-text-light);
    line-height: 1.7;
    font-style: italic;
    position: relative;
    padding-left: 20px;
    border-left: 3px solid var(--color-primary-light);
}

/* ===== 联系区域 ===== */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #fff8f0 0%, #ffedd5 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--color-text-light);
    margin-bottom: 32px;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.detail-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: 4px;
    width: 36px;
    text-align: center;
}

.detail-item h4 {
    font-weight: 700;
    margin-bottom: 2px;
}

.detail-item p {
    color: var(--color-text-light);
}

.detail-item a {
    color: var(--color-primary);
    font-weight: 600;
}

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

.contact-form-wrapper {
    background: var(--color-card-bg);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    background: var(--color-bg);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-shadow);
}

.form-group textarea {
    resize: vertical;
}

.error-message {
    color: var(--color-error);
    font-size: 0.8rem;
    margin-top: 4px;
    display: block;
    min-height: 18px;
}

.form-group.error input,
.form-group.error textarea {
    border-color: var(--color-error);
}

.form-tip {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 16px;
}

/* ===== 页脚 ===== */
.footer {
    background: #1c1917;
    color: #d6d3d1;
    padding-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    padding-bottom: 40px;
}

.footer-brand .logo-icon {
    font-size: 2.4rem;
}

.footer-brand .logo-text {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: #fff;
    font-weight: 700;
    margin-left: 8px;
}

.footer-brand p {
    margin: 16px 0 20px;
    color: #a8a29e;
    line-height: 1.6;
}

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

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: #d6d3d1;
    font-size: 1.2rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-3px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    color: #fff;
    font-weight: 700;
    margin-bottom: 16px;
    font-size: 1rem;
}

.footer-col a {
    display: block;
    color: #a8a29e;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.footer-col a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: #78716c;
}

/* ===== 回到顶部 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .hero-text h1 {
        font-size: 2.8rem;
    }
    .hero-content,
    .about-content,
    .contact-content {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 20px;
        box-shadow: -8px 0 24px rgba(0,0,0,0.08);
        transition: var(--transition);
        z-index: 999;
    }

    .nav-links.open {
        right: 0;
    }

    .hamburger {
        display: flex;
        z-index: 1000;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-img-wrapper {
        max-width: 360px;
        margin: 0 auto;
    }

    .hero-img-wrapper img {
        height: 280px;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image img {
        height: 300px;
    }

    .about-experience {
        right: -12px;
        bottom: -12px;
        padding: 16px 20px;
    }

    .exp-number {
        font-size: 2rem;
    }

    .about-features {
        grid-template-columns: 1fr 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

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

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

    .section-header h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-text h1 {
        font-size: 1.8rem;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.4rem;
    }

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

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

    .about-features {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: 24px 16px;
    }

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

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

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