/* ===== 基础重置与变量 ===== */
:root {
    --color-bg: #FAF8F5;
    --color-bg-warm: #F5F0EB;
    --color-primary: #C4A882;
    --color-primary-light: #D4C4A8;
    --color-primary-dark: #A68B6A;
    --color-accent: #D4A5A5;
    --color-accent-soft: #E8D5D5;
    --color-text: #4A403A;
    --color-text-light: #8C7E72;
    --color-text-muted: #B5A99A;
    --color-white: #FFFFFF;
    --color-card: #FFFFFF;
    --color-card-warm: #FDF9F5;
    --shadow-soft: 0 4px 20px rgba(74, 64, 58, 0.06);
    --shadow-medium: 0 8px 32px rgba(74, 64, 58, 0.1);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-serif: 'Noto Serif SC', 'Songti SC', serif;
    --font-sans: 'Noto Sans SC', 'PingFang SC', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 40px;
    background: rgba(250, 248, 245, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(196, 168, 130, 0.1);
    transition: var(--transition);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
}

.brand-icon {
    font-size: 1.6rem;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 36px;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--color-text-light);
    text-decoration: none;
    padding: 6px 0;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    border-radius: 1px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

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

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: var(--transition);
}

/* ===== 页面区块 ===== */
.section {
    display: none;
    min-height: 100vh;
    padding: 100px 40px 60px;
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeIn 0.6s ease;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
    padding-top: 20px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    font-weight: 300;
}

/* ===== 首页 Hero ===== */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 70vh;
    padding: 40px 0;
}

.hero-greeting {
    font-size: 1rem;
    color: var(--color-primary-dark);
    margin-bottom: 16px;
    font-weight: 400;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    line-height: 1.4;
    color: var(--color-text);
    margin-bottom: 24px;
}

.hero-accent {
    color: var(--color-primary-dark);
    font-style: italic;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.9;
    margin-bottom: 36px;
    font-weight: 300;
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-card {
    background: var(--color-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    max-width: 360px;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.floating-card::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 30px;
    width: 60px;
    height: 4px;
    background: var(--color-primary-light);
    border-radius: 2px;
}

.card-quote {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 16px;
    font-style: italic;
}

.card-author {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-align: right;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(196, 168, 130, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(196, 168, 130, 0.4);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-primary-light);
}

.btn-ghost:hover {
    background: var(--color-primary-light);
    color: var(--color-white);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.85rem;
    background: transparent;
    color: var(--color-primary-dark);
    border: 1px solid var(--color-primary-light);
}

.btn-small:hover {
    background: var(--color-primary-light);
    color: var(--color-white);
}

/* ===== 情绪选择器 ===== */
.mood-selector {
    padding: 60px 0;
    text-align: center;
}

.mood-selector .section-title {
    margin-bottom: 40px;
}

.mood-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.mood-card {
    background: var(--color-card);
    border: 1.5px solid transparent;
    border-radius: var(--radius-md);
    padding: 24px 12px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.mood-card:hover {
    border-color: var(--color-primary-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-soft);
}

.mood-card.active {
    border-color: var(--color-primary);
    background: var(--color-card-warm);
}

.mood-emoji {
    font-size: 2rem;
    line-height: 1;
}

.mood-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 400;
}

/* ===== 每日一句 ===== */
.daily-quote-section {
    padding: 40px 0 60px;
}

.quote-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.quote-mark {
    font-family: var(--font-serif);
    font-size: 4rem;
    color: var(--color-primary-light);
    line-height: 1;
    position: absolute;
    top: 20px;
    left: 30px;
    opacity: 0.5;
}

.quote-text {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    line-height: 2;
    color: var(--color-text);
    margin-bottom: 16px;
    font-weight: 400;
}

.quote-source {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

/* ===== 心情树洞 ===== */
.mood-content {
    max-width: 800px;
    margin: 0 auto;
}

.mood-welcome {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-light);
}

.mood-welcome p {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.mood-hint {
    font-size: 0.95rem;
}

.mood-hint a {
    color: var(--color-primary-dark);
    text-decoration: none;
    border-bottom: 1px dashed var(--color-primary-light);
}

.mood-hint a:hover {
    border-bottom-style: solid;
}

.mood-result {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-soft);
    animation: fadeIn 0.5s ease;
}

.mood-result-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--color-primary-dark);
    margin-bottom: 24px;
    text-align: center;
}

.mood-result-text {
    font-size: 1.1rem;
    line-height: 2.2;
    color: var(--color-text);
    margin-bottom: 20px;
    font-weight: 300;
}

.mood-result-source {
    text-align: right;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

.mood-suggestion {
    background: var(--color-bg-warm);
    border-radius: var(--radius-sm);
    padding: 24px;
    margin-top: 24px;
}

.mood-suggestion-title {
    font-size: 0.95rem;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
    font-weight: 500;
}

.mood-suggestion-text {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.mood-goods-link {
    display: inline-block;
    margin-top: 16px;
    color: var(--color-primary-dark);
    text-decoration: none;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-primary-light);
}

.mood-goods-link:hover {
    color: var(--color-text);
}

/* ===== 温柔好物 ===== */
.goods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
    max-width: 1000px;
    margin: 0 auto;
}

.goods-card {
    background: var(--color-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.goods-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-medium);
}

.goods-image {
    width: 100%;
    height: 200px;
    background: var(--color-bg-warm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.goods-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, rgba(0,0,0,0.05), transparent);
}

.goods-info {
    padding: 20px 24px 24px;
}

.goods-tag {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--color-primary-dark);
    background: var(--color-bg-warm);
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 10px;
}

.goods-name {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 8px;
    line-height: 1.5;
}

.goods-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.goods-price {
    font-size: 1.1rem;
    color: var(--color-accent);
    font-weight: 500;
}

.goods-note {
    text-align: center;
    margin-top: 48px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.goods-note-small {
    font-size: 0.8rem;
    margin-top: 8px;
    opacity: 0.7;
}

/* ===== 每日一签 ===== */
.fortune-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 0;
}

.fortune-card {
    width: 320px;
    height: 420px;
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    margin-bottom: 32px;
}

.fortune-card:hover {
    transform: translateY(-4px);
}

.fortune-card.flipped .fortune-front {
    opacity: 0;
    pointer-events: none;
}

.fortune-card.flipped .fortune-back {
    opacity: 1;
    pointer-events: auto;
}

.fortune-front,
.fortune-back {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    transition: opacity 0.5s ease;
}

.fortune-back {
    opacity: 0;
    pointer-events: none;
}

.fortune-seal {
    width: 80px;
    height: 80px;
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.fortune-tip {
    font-size: 1rem;
    color: var(--color-text-light);
}

.fortune-level {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    margin-bottom: 20px;
}

.fortune-text {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    line-height: 2;
    color: var(--color-text);
    text-align: center;
    margin-bottom: 20px;
}

.fortune-advice {
    font-size: 0.9rem;
    color: var(--color-text-light);
    text-align: center;
    line-height: 1.8;
}

/* ===== AI 对话浮窗 ===== */
.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    transition: var(--transition);
}

.chat-toggle:hover {
    transform: scale(1.05);
    background: var(--color-primary-dark);
}

.chat-icon {
    font-size: 1.4rem;
}

.chat-label {
    font-size: 0.65rem;
}

.chat-panel {
    position: absolute;
    bottom: 76px;
    right: 0;
    width: 360px;
    height: 480px;
    background: var(--color-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-medium);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-panel.open {
    display: flex;
}

.coze-webchat-container {
    flex: 1;
    width: 100%;
    overflow: hidden;
    display: none;
}

.coze-webchat-container.active {
    display: block;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--color-bg-warm);
    border-bottom: 1px solid rgba(196, 168, 130, 0.1);
    font-weight: 500;
    color: var(--color-text);
}

.chat-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-light);
    cursor: pointer;
    line-height: 1;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.7;
    animation: fadeIn 0.3s ease;
}

.chat-message.bot {
    align-self: flex-start;
    background: var(--color-bg-warm);
    color: var(--color-text);
    border-bottom-left-radius: 4px;
}

.chat-message.bot.typing p {
    animation: typing 1.2s infinite;
}

@keyframes typing {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.chat-message.user {
    align-self: flex-end;
    background: var(--color-primary);
    color: var(--color-white);
    border-bottom-right-radius: 4px;
}

.chat-input {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid rgba(196, 168, 130, 0.1);
    background: var(--color-bg);
}

.chat-input input {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--color-primary-light);
    border-radius: 50px;
    outline: none;
    font-size: 0.9rem;
    background: var(--color-white);
    color: var(--color-text);
}

.chat-input input::placeholder {
    color: var(--color-text-muted);
}

.chat-input button {
    padding: 10px 20px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

.chat-input button:hover {
    background: var(--color-primary-dark);
}

/* ===== 页脚 ===== */
.footer {
    text-align: center;
    padding: 60px 40px 40px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    border-top: 1px solid rgba(196, 168, 130, 0.1);
    margin-top: 40px;
}

.footer-small {
    font-size: 0.8rem;
    margin-top: 8px;
    opacity: 0.7;
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

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

    .hero-visual {
        order: -1;
    }

    .floating-card {
        max-width: 300px;
        padding: 28px;
    }

    .mood-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .goods-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 600px) {
    .navbar {
        padding: 12px 20px;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(250, 248, 245, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-toggle {
        display: flex;
    }

    .section {
        padding: 80px 20px 40px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

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

    .quote-card {
        padding: 32px 24px;
    }

    .quote-text {
        font-size: 1.15rem;
    }

    .fortune-card {
        width: 280px;
        height: 380px;
    }

    .chat-panel {
        width: calc(100vw - 40px);
        right: -10px;
    }

    .footer {
        padding: 40px 20px 30px;
    }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}