/* ========================================
   房里有珠 · 解忧好运铺
   淡紫粉治愈系配色方案
   ======================================== */

/* CSS Variables */
:root {
    /* 主色调 - 淡紫粉治愈系 */
    --color-bg-primary: #FDF8FA;      /* 主背景 - 淡粉白 */
    --color-bg-secondary: #F5EEF8;    /* 次背景 - 淡紫白 */
    --color-bg-card: #FFFFFF;         /* 卡片背景 */
    --color-bg-accent: #F8F0F5;       /* 强调背景 */

    --color-primary: #C9A0B8;         /* 主色 - 藕粉紫 */
    --color-primary-light: #E8D4E0;   /* 主色浅 */
    --color-primary-dark: #9B7A8C;    /* 主色深 */

    --color-accent: #B8A5C9;          /* 点缀色 - 淡紫 */
    --color-accent-light: #D4C8E0;    /* 点缀色浅 */

    --color-text-primary: #5D4E5F;    /* 主文字 - 深紫灰 */
    --color-text-secondary: #8B7B8D;  /* 次文字 - 中紫灰 */
    --color-text-light: #A99BAB;      /* 浅文字 */

    --color-gold: #D4B896;            /* 金色点缀 */
    --color-white: #FFFFFF;

    /* 字体 */
    --font-serif: 'Noto Serif SC', 'Songti SC', serif;
    --font-sans: 'Noto Sans SC', 'PingFang SC', sans-serif;

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* 阴影 */
    --shadow-soft: 0 4px 20px rgba(155, 122, 140, 0.08);
    --shadow-medium: 0 8px 30px rgba(155, 122, 140, 0.12);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(253, 248, 250, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-primary-light);
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

.logo-icon {
    color: var(--color-primary);
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    position: relative;
    padding: 0.25rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: var(--transition-normal);
}

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

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

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.25rem;
    margin-left: 1.5rem;
    padding: 0.25rem;
    background: var(--color-bg-secondary);
    border-radius: 6px;
}

.lang-btn {
    padding: 0.35rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lang-btn:hover {
    color: var(--color-text-primary);
}

.lang-btn.active {
    background: var(--color-white);
    color: var(--color-primary-dark);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-normal);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(
        135deg,
        var(--color-bg-primary) 0%,
        var(--color-bg-secondary) 50%,
        var(--color-bg-accent) 100%
    );
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(200, 160, 184, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(184, 165, 201, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(212, 184, 150, 0.08) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(10px, -10px) scale(1.02); }
    66% { transform: translate(-10px, 10px) scale(0.98); }
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    max-width: 1400px;
    width: 100%;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: left;
    padding: var(--spacing-md);
    animation: fadeInUp 1s ease-out;
}

.hero-image {
    position: relative;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-image img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-medium);
    object-fit: cover;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -15px;
    right: -15px;
    bottom: 15px;
    left: 15px;
    border: 2px solid var(--color-primary-light);
    border-radius: 16px;
    z-index: -1;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--color-white);
    border: 1px solid var(--color-primary-light);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.1em;
}

.hero-title {
    font-family: var(--font-serif);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.title-main {
    display: block;
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    color: var(--color-text-primary);
    letter-spacing: 0.15em;
}

.title-divider {
    display: block;
    font-size: 1.5rem;
    color: var(--color-primary);
    margin: 0.5rem 0;
}

.title-sub {
    display: block;
    font-size: clamp(1.2rem, 4vw, 1.8rem);
    color: var(--color-text-secondary);
    font-weight: 400;
    letter-spacing: 0.2em;
}

.hero-slogan {
    font-family: var(--font-serif);
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    color: var(--color-text-primary);
    line-height: 2.2;
    margin-bottom: var(--spacing-md);
}

.hero-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    border-radius: 50px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-light);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; height: 40px; }
    50% { opacity: 0.5; height: 30px; }
}

/* ========================================
   Section Commons
   ======================================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--color-primary);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 500;
    color: var(--color-text-primary);
    letter-spacing: 0.1em;
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--color-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 8px;
    box-shadow: var(--shadow-medium);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 1px solid var(--color-primary-light);
    border-radius: 8px;
    z-index: -1;
}

.about-text {
    padding: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    line-height: 2.2;
}

.about-lead {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: var(--color-text-primary);
}

.about-highlight {
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 8px 8px 0;
    font-family: var(--font-serif);
    color: var(--color-text-primary);
}

/* ========================================
   Slogan Section
   ======================================== */
.slogan-section {
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-accent) 100%);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.slogan-content {
    max-width: 600px;
    margin: 0 auto;
}

.slogan-line {
    font-family: var(--font-serif);
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.slogan-icon {
    color: var(--color-primary);
    font-size: 0.8em;
}

.slogan-belief {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-primary-light);
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 2;
}

/* ========================================
   Why Choose Us
   ======================================== */
.why-us {
    background: var(--color-bg-primary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.value-card {
    background: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.value-card:hover::before {
    transform: scaleX(1);
}

.value-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-sm);
}

.value-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.value-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.9;
}

/* ========================================
   For You Section
   ======================================== */
.for-you {
    background: var(--color-white);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
}

.scenario-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: 8px;
    transition: var(--transition-normal);
}

.scenario-card:hover {
    background: var(--color-bg-accent);
    transform: translateX(5px);
}

.scenario-icon {
    color: var(--color-primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.scenario-card p {
    font-size: 0.95rem;
    color: var(--color-text-primary);
    line-height: 1.6;
}

.for-you-closing {
    text-align: center;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 2;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.contact-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.1em;
}

.contact-lead {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--color-text-primary);
    line-height: 2;
    margin-bottom: var(--spacing-md);
}

.contact-invite {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 2;
}

.contact-qr {
    display: flex;
    justify-content: center;
}

.qr-wrapper {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
}

.qr-wrapper img {
    width: 180px;
    height: 180px;
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
}

.qr-hint {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-text-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-content {
    max-width: 400px;
    margin: 0 auto;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.footer-logo .logo-icon {
    color: var(--color-primary-light);
}

.footer-slogan {
    font-size: 0.85rem;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-md);
}

.footer-divider {
    width: 60px;
    height: 1px;
    background: var(--color-primary-dark);
    margin: 0 auto var(--spacing-md);
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.footer-copyright a {
    color: var(--color-primary-light);
}

.footer-copyright a:hover {
    text-decoration: underline;
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--color-white);
    border: 1px solid var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-soft);
    z-index: 999;
    color: var(--color-primary);
}

.back-to-top:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

/* ========================================
   Animations - Scroll Reveal
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-image {
        max-width: 500px;
        margin: 0 auto;
    }

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

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

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-white);
        padding: var(--spacing-md);
        gap: 0;
        border-bottom: 1px solid var(--color-primary-light);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        border-bottom: 1px solid var(--color-bg-secondary);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: var(--spacing-sm) 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .lang-switcher {
        margin-left: auto;
        margin-right: 1rem;
    }

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

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

    .hero-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .hero-content {
        text-align: center;
        padding: var(--spacing-sm);
        order: 1;
    }

    .hero-image {
        order: 2;
        display: flex;
        justify-content: center;
    }

    .hero-image img {
        max-width: 100%;
        border-radius: 12px;
    }

    .hero-image::before {
        display: none;
    }

    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    section {
        padding: var(--spacing-lg) 0;
    }

    .hero-cta {
        padding: 0.875rem 2rem;
        font-size: 0.9rem;
    }

    .qr-wrapper img {
        width: 150px;
        height: 150px;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .navbar,
    .hero-scroll,
    .hero-cta {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 2rem 0;
    }

    section {
        padding: 1rem 0;
    }
}